103results about How to "Exact signal meaning" patented technology

The invention relates to a booster bicycle provided with a sensor with a plurality of unevenly distributed magnetic blocks on a chain disc, and in particular relates to an electric booster bicycle used for providing booster signals for a plurality of point positions in a way of magnetic induction. The sensor comprises a sensing element, a booster model processor, a digital / analog (D / A) converter and an operational amplifier which are sequentially connected, wherein the chain disc taken as the sensing element is fixedly provided with the plurality of permanent magnet blocks, and every two adjacent permanent magnet blocks have the opposite magnetic polarities; the distances among the permanent magnet blocks are different from one another; a Hall of the sensing element is arranged on a frame close to the permanent magnet blocks; and the operational amplifier is connected with a motor controller. The booster bicycle has the advantages that square-wave signals can be obtained by the Hall, the sensor can conveniently use an artificial set booster model through digital processing output, the boosting is reasonable in the starting point, the finishing point and the force, human can cooperate with a machine, and the electricity is saved.

The invention discloses a sensor with a plurality of magnet blocks adjustable in position and magnetic flux in a shell, belonging to the technology of providing a control signal via multi-point-position magnetic induction. The sensor comprises a sensing component, a power-assisted model processor, a digital-analogue converter and an operational amplifier which are sequentially connected, wherein the sensing component comprises permanent magnet blocks and a Hall sensor in inner hollows embedded in a rotating disc and a fixed disc, a plurality of the annularly-distributed permanent magnet blocks are fixedly arranged on the rotating disc, the distances among the permanent magnet blocks and the magnetic fluxes of the permanent magnet blocks at different positions are adjustable, and the magnetic polarities of the adjacent permanent magnet blocks are opposite, that is, the magnetic polarities are distributed by alternately arranging N-poles and S-poles; and the Hall sensor on the fixed disc is arranged at a position close to the permanent magnet blocks. The sensor has the following advantages that: the Hall sensor can obtain a rectangular wave signal via the NS distribution of the magnetic poles, and the rectangular wave signal can participate in digital processing for setting the power-assisted model; and the rectangular wave signal can show the positions of the permanent magnet blocks on the rotating disc and determine the purposes of different rectangular waves by virtue of the difference of the distances and the difference of the magnetic fluxes, and the relative positions of the permanent magnet blocks and the Hall sensor are fixed, so that signal output is reliable.

The invention discloses a multi-magnetic block position-adjustable turntable sensing element, belongs to the technical field of providing signals by magnetic induction, and in particular relates to the technology of providing control signals by performing multi-point magnetic induction on a rotary part. A plurality of permanent magnet blocks which are arranged annularly are fixedly arranged on a turntable; the distance among the permanent magnet blocks can be adjusted; on one side of the turntable, the magnetic polarities of adjacent permanent magnet blocks are opposite, namely the distribution way of the magnetic polarities of all permanent magnet blocks on a certain side of the turntable is pole N, pole S, pole N, ellipsis; and a Hall element is arranged at the position close to the permanent magnet blocks. The multi-magnetic block position-adjustable turntable sensing element has the advantages that the Hall element can acquire square-wave signals by utilizing the NS opposite distribution way of the magnetic polarities of the adjacent permanent magnet blocks, and digital processing of the signals is facilitated; the square-wave signals can represent the positions of the permanent magnet blocks on the turntable by adjusting the distance among the permanent magnet blocks, and the application of different square waves are determined.

The invention relates to a booster bicycle provided with a sensor provided with a plurality of magnetic blocks with unevenly distributed magnetic fluxes in a shell, and in particular relates to an electric booster bicycle used for providing booster signals for a plurality of point positions in a way of magnetic induction. The sensor comprises a sensing element, a booster model processor, a digital / analog (D / A) converter and an operational amplifier which are sequentially connected, wherein the sensing element comprises the permanent magnet blocks and a Hall which are respectively arranged in a space where a rotary table and a fixed table are embedded; the rotary table is provided with the plurality of permanent magnet blocks, and every two adjacent permanent magnet blocks have the opposite magnetic polarities and different magnetic fluxes; the Hall arranged on the fixed table is arranged at the position close to the permanent magnet blocks; the sensor is sheathed outside a centre shaft of the bicycle; and the operational amplifier is connected with a motor controller. The booster bicycle has the advantages that the relative positions between the permanent magnet blocks and the Hall are fixed, square-wave signals can be obtained by the Hall, the sensor can conveniently use an artificial set booster model through digital processing output, the boosting is reasonable in the starting point, the finishing point and the force, human can cooperate with a machine in a best way, and the electricity is saved.

The invention discloses an assisted bicycle using a sensor with non-uniform distribution of multiple magnetic blocks in a housing, and belongs to an electric assisted bicycle capable of providing assisting signals by multi-point magnetic induction. The sensor comprises a sensing element, an assisting model processor, a digital-analog converter and an operational amplifier, which are sequentially connected, wherein the sensing element comprises a rotating disk and a fixed disk, permanent magnets and Halls are arranged in internal space, a plurality of the permanent magnets, which have the opposite magnetic polarities in the adjacent permanent magnets and can regulate the intervals and the positions with different magnetic fluxes, are arranged on the rotating disk, and the Halls on the fixed disk are arranged in the positions near the permanent magnets. The sensor is sheathed outside a center shaft of the bicycle, and the operational amplifier is connected with a motor controller. The assisted bicycle has the advantages that the relative positions of the permanent magnets and the Halls are fixed, and the Halls can obtain rectangular wave signals, so that the sensor can conveniently output an assisted model which is artificially set and can be regulated by digital processing to realize reasonable start point and end point of assisting, as well as reasonable force, enable a person and a machine to realize optimal matching and save electricity.

The invention discloses a multi-magnetic block position-adjustable turntable sensor for an assisted bicycle, and belongs to the technology of providing a control signal by performing multi-point magnetic induction. The multi-magnetic block position-adjustable turntable sensor for the assisted bicycle comprises a sensing element, an assistance model processor, a digital-to-analogue converter and an operational amplifier which are connected in sequence; the sensing element is a plurality of permanent magnet blocks with adjustable space which are arranged on a turntable; the magnetic polarities of adjacent permanent magnet blocks are opposite, namely the distribution way is pole N, pole S, pole N, ellipsis; and a Hall element is arranged at the position close to the permanent magnet blocks. The multi-magnetic block position-adjustable turntable sensor for the assisted bicycle has the advantages that the Hall element can acquire square-wave signals by utilizing the NS opposite distribution way of the magnetic polarities of the adjacent permanent magnet blocks, and digital processing of the signals is facilitated; the square-wave signals can represent the positions of the permanent magnet blocks on the turntable by adjusting the distance among the permanent magnet blocks, and the application of different square waves are determined; and the sensor can output control model electric signals which are matched with the movement position of the permanent magnet blocks and are set artificially.

The invention discloses a sensor with a plurality of magnet blocks adjustable in position in a shell, belonging to the technology of providing a control signal via multi-point-position magnetic induction. The sensor comprises a sensing component, a power-assisted model processor, a digital-analogue converter and an operational amplifier which are sequentially connected, wherein the sensing component comprises permanent magnet blocks and a Hall sensor in inner hollows embedded in a rotating disc and a fixed disc, a plurality of the annularly-distributed permanent magnet blocks are fixedly arranged on the rotating disc, the distances among the permanent magnet blocks are adjustable, and the magnetic polarities of the adjacent permanent magnet blocks are opposite, that is, the magnetic polarities of all the permanent magnet blocks on one surface of the rotating disc are distributed by alternately arranging N-poles and S-poles; and the Hall sensor on the fixed disc is arranged at a position close to the permanent magnet blocks. The sensor has the following advantages that: the Hall sensor can obtain a rectangular wave signal via the NS distribution of the magnetic polarities, and the rectangular wave signal can participate in digital processing for setting the power-assisted model; and the rectangular wave signal can show the positions of the permanent magnet blocks on the rotating disc, and determine the purposes of different rectangular waves by virtue of adjustment on the distances among the permanent magnet blocks, and the relative positions of the permanent magnet blocks and the Hall sensor are fixed, so that signal output is reliable.

The invention relates to a sensing element provided with a plurality of magnetic blocks with adjustable positions in a shell, belonging to a technology for providing control signals by multi-point magnetic induction. The permanent magnet blocks and a Hall are respectively arranged in a space where a rotary table and a fixed table are embedded; the rotary table is fixedly provided with the plurality of permanent magnet blocks which are distributed in a circular ring shape, and the gaps among the permanent magnet blocks can be adjusted; the every two adjacent permanent magnet blocks arranged on one surface of the rotary table have the opposite magnetic polarities, namely, the magnetic polarity distribution mode of all the permanent magnet blocks on one surface of the rotary table is N pole, S pole, N pole, and so on; and the Hall arranged on the fixed table is arranged at the position close to the permanent magnet blocks. The sensing element has the advantages that the every two adjacent permanent magnet blocks are distributed in the opposite magnetic polarities (NS), and square-wave signals can be obtained by the Hall, so that digital processing can be conveniently carried out on the signals; the positions of the permanent magnet blocks on the rotary table can be shown by the square-wave signals by adjusting the distances among the permanent magnet blocks, so that the usage of the different square-wave signals can be confirmed; and the relative positions between the permanent magnet blocks and the Hall are fixed, so that the signals can be reliably output.

The invention relates to a power-assisting bicycle using a sensor with a plurality of non-uniformly distributed magnetic blocks in a shell and belongs to an electric power-assisting bicycle for providing a power-assisting signal by multi-point magnetic induction. The sensor comprises a sensing element, a power-assisting model processor, a digital-to-analog converter and an operational amplifier which are sequentially connected. The sensing element comprises a rotary table and a fixed disk and permanent magnetic blocks and a hall are arranged in an inner space in which the rotary table and the fixed disk are embedded. A plurality of permanent magnetic blocks are arranged on the rotary table, wherein each two adjacent permanent magnetic blocks have opposite magnetic polarities; and the permanent magnetic blocks are arranged at unequal intervals. The hall on the fixed disk is arranged at the position close to the permanent magnetic blocks. The sensor is sleeved outside a center shaft of the bicycle. The operational amplifier is connected with a motor controller. The power-assisting bicycle has the advantages that the relative positions of the permanent magnetic blocks and the hall are fixed; a square-wave signal can be obtained by the hall; the power-assisting bicycle is convenient for the sensor to output the signal by digital processing to artificially set a power-assisting model; the power-assisting initial point, a power-assisting end point and the power-assisting strength are reasonable; and a user and a machine can be optimally matched and power is also saved.

The invention relates to a rotary-disc type sensor with multiple magnets uneven in position for a motorized bicycle, and belongs to technology of providing control signals by multipoint magnetic induction. The rotary-disc type sensor comprises sensing elements, a motorized model processor, a digital-to-analog converter and an operational amplifier which are connected in sequence, the sensing elements include a plurality of permanent magnets and a Hall sensor unit, the permanent magnets are arranged on a rotary disc at different intervals, magnetic polarities of the adjacent permanent magnets are opposite, in other words, the permanent magnets are distributed according to a magnetic polarity sequence of N-pole, S-pole and N-pole..., and the Hall sensor unit is arranged at a position close to the permanent magnets. The rotary-disc type sensor has the advantages that since the permanent magnets are distributed in a mode that the magnetic polarities of the adjacent permanent magnets are opposite according to the sequence of N-pole, S-pole and N-pole..., the Hall sensor unit can acquire rectangular wave signals which can be processed digitally conveniently; since the intervals of the permanent magnets are different, the square wave signals can represent positions of the permanent magnets on the rotary disc, functions of different rectangular waves can be determined, and accordingly, the sensor can output electrical signals of a human-set control model matched with movement positions of the permanent magnets.

The invention discloses a sensor with non-uniform distribution of magnetic flux for multiple magnetic blocks in a casing and belongs to a technology of providing a control signal by multi-point induction. The sensor comprises a sensing element, an assisting model processor, a digital / analogue converter and an operational amplifier which are sequentially connected, wherein the sensing element comprises permanent magnet blocks and a Hall which are arranged in an inner hollow casing formed by embedding a fixed disk with a rotary disk; a plurality of permanent magnet blocks which are annularly distributed are fixedly arranged on the rotary disk; magnetic fluxes of at least two permanent magnet blocks on a certain surface of the rotary disk are different; magnetic polarities of adjacent permanent magnets on the certain surface of the rotary disk are opposite, i.e., the magnet polarity distribution mode of all permanent magnet blocks on the certain surface is N pole, S pole, N pole and the like; and the Hall on the fixed disk is arranged at a position close to the permanent magnet block. The sensor has the advantages that the magnetic polarity is in an NS distribution mode, so that the Hall can acquire a rectangular wave signal which can be used for digital processing of the set assisting model, expressing the position of the permanent magnet blocks on the rotary disk and determining applications of different rectangular waves; and a relative position between the permanent magnet blocks and the Hall is fixed, and thus the reliability in signal output is realized.

The invention discloses a power-assisted bicycle using a sensor with position-adjustable magnetic blocks in a casing, which belongs to an electrically power-assisted bicycle for providing power-assisted signals through multi-point-position magnetic induction. The sensor comprises a sensing element, a power-assisted model processor, a D / A (digital to analog) converter and an operational amplifier which are sequentially connected, wherein the sensing element comprises permanent magnet blocks and a hall arranged in an inner cavity formed by that a movable plate and a fixed plate are mutually embedded, the movable plate is provided with a plurality of permanent magnet blocks, wherein two adjacent permanent magnet blocks are opposite in magnetic polarity, and the distance between the permanent magnet blocks can be adjusted, and the hall on the fixed plate is arranged at a position close to the permanent magnet blocks. The sensor is sleeved outside of a middle axle of the bicycle, and the operational amplifier is connected with a motor controller. The power-assisted bicycle disclosed by the invention has the advantages that: the relative positions between the permanent magnet blocks and the hall are fixed, and the hall can acquire rectangular wave signals, thereby facilitating that the sensor outputs reasonable forces (which are artificially set and can be adjusted) from the power-assisted model to a power-assisted starting point and a power-assisted ending point through digital processing, so that the man-machine cooperation can be optimal, and an effect of power saving can be achieved.

The invention discloses an assisted bicycle with a sensor with a plurality of magnet blocks uniformly distributed in a shell, and belongs to an electric assisted bicycle which can provide assistance signals by multi-point magnetic induction. The sensor comprises a sensing element, an assistance model processor, a digital-to-analogue converter and an operational amplifier which are connected in sequence, wherein the sensing element comprises permanent magnet blocks and a Hall element which are arranged in the cavity formed by embedding a rotary disc into a fixed disc; a plurality of permanent magnet blocks are fixedly arranged on the rotary disc, wherein the magnetic polarities of adjacent permanent magnet blocks are opposite to each other; the Hall element on the fixed disc is arranged at the position close to the permanent magnet blocks; a sensor is arranged on a central shaft of a wheel of the bicycle; and the operational amplifier is connected with a motor controller. The assisted bicycle has the advantages that the relative position between the permanent magnet blocks and the Hall element is fixed; the Hall element can acquire square-wave signals, and the square-wave signals are subjected to the digital processing by the sensor and an assistance model is set artificially; the start point, the end point, and the power of the assistance are reasonable; and man and machine can be matched and electricity can be saved.

The invention discloses a turntable sensing element with unevenly distributed magnetic fluxes of magnetic blocks, belongs to the technical field of providing signals by magnetic induction, and particularly relates to a technology for carrying out multi-point magnetic induction to provide control signals on a rotating component. A plurality of permanent magnet blocks which are distributed in a ring are fixedly arranged on a rotating plate; the magnetic fluxes of at least two permanent magnet blocks are different; the magnetic polarities of the adjacent permanent magnet blocks are opposite at one side of the rotating plate, namely the magnetic polarity distribution mode of all permanent magnet blocks at one side of the rotating plate is an N pole, an S pole, the N pole ...; and halls on the fixing plate are arranged at the positions near the permanent magnet blocks. The turntable sensing element has the advantages that the halls can obtain rectangular wave signals by an opposite distribution mode of the magnetic polarities NS of the adjacent permanent magnet blocks; the signals can be conveniently subjected to digital treatment, the rectangular wave signals can present the positions of the permanent magnet blocks on the rotating plate by difference of the magnetic fluxes, and uses of different rectangular waves are determined.

The invention relates to a motorized bicycle having a sensor with multiple magnets uneven in position and magnetic flux in a casing, and belongs to electric motorized bicycles with motorized signals provided by multipoint magnetic induction. The sensor comprises sensing elements, a motorized model processor, a digital-to-analog converter and an operational amplifier which are connected in sequence, the sensing elements include permanent magnets and a Hall sensor unit which are arranged in a cavity formed by combining a rotary disc with a fixed disc, a plurality of permanent magnets are arranged on the rotary disc, magnetic polarities of the adjacent permanent magnets are opposite, the distances among the permanent magnets are different, the magnetic flux of the permanent magnets are also different, and the Hall sensor unit on the fixed disc is arranged close to the permanent magnets. The sensor is arranged on a center wheel axle of the bicycle, and the operational amplifier is connected with a motor controller. The motorized bicycle has the advantages that relative positions of the permanent magnets and the Hall sensor unit are fixed, the Hall sensor unit can acquire rectangular wave signals, and human-set adjustable motorized model signals can be processed digitally and output to the motorized starting point and the finishing point by the sensor conveniently, so that motorized power is reasonable in distribution, manpower and motorized power can be matched optionally, and electric power is saved.

The invention discloses a booster bicycle provided with a sensor with multiple magnetic blocks in nonuniform distribution in a shell, and belongs to an electric booster bicycle capable of providing booster signals by multi-point position magnetic sensing. The sensor comprises a sensing element, a booster model processor, a digital-analog converter and an operational amplifier which are connected in sequence, the sensing element comprises a rotating disc, a fixed disc, permanent magnetic blocks and a hall, wherein the permanent magnetic blocks and the hall are arranged in an internal hollow space formed by the embedding of the rotating disc and the fixed disc, a plurality of permanent magnetic blocks are arranged on the rotating disc, the magnetic polarities of the adjacent permanent magnetic blocks are opposite and are different in distance, and the hall on the fixed disc is arranged at the position close to the permanent magnetic blocks. The sensor is arranged on a central shaft of a wheel of the bicycle, and the operational amplifier is connected with a motor controller. The booster bicycle has the advantages that the permanent magnetic blocks and the hall are relatively fixed, the hall can obtain rectangular wave signals, the sensor can be used for outputting after the digital processing, a booster model is set artificially, the booster start point, the booster finishing point and the booster power are reasonable, so that a user and a machine can be best matched, and the power is saved.

The invention discloses a sensor with multiple uniformly distributed magnets in a shell, belongs to the technical field of magnetic induction signal providing, and particularly relates to a technology for performing multi-point magnetic induction control signal providing on a rotary component. The sensor comprises a sensing element, a power assisting model processor, a digital-analog converter and an operational amplifier, wherein the sensing element comprises a rotary disc and a fixed disc; permanent magnets and halls are arranged in the cavity formed by embedding the rotary disc and the fixed disc; the rotary disc is fixedly provided with a plurality of annularly distributed permanent magnets; magnetic polarities of adjacent permanent magnets are reverse, i.e., the distribution mode is N pole, S pole, N pole and the like; and the halls on the fixed disc are arranged at positions close to the permanent magnets. The sensor has the advantages that the halls can acquire rectangular wave signals by using NS reverse distribution mode of magnetic polarities of the adjacent permanent magnets, digital processing of which a set power assisting model is added can be conveniently performed on the signal, relative positions of the permanent magnets and the halls are fixed, and signal output is reliable.

The invention discloses a sensing element with non-uniform distribution of multiple magnetic block positions and magnetic flux in a casing and belongs to a technology of providing a control signal by multi-point magnetic induction. Permanent magnet blocks and a Hall are arranged in an inner hollow casing formed by embedding a rotary disk with a fixed disk; a plurality of permanent magnet blocks which are circularly distributed are fixedly arranged on the rotary disk; the permanent magnet blocks are different in space and magnetic flux; magnetic polarities of adjacent permanent magnets on a certain surface of the rotary disk are opposite, i.e., the magnet polarity distribution mode of all permanent magnet blocks on the certain surface is N pole, S pole, N pole and the like; and the Hall on the fixed disk is arranged at a position close to the permanent magnet block. The sensing element has the advantages that the magnetic polarities of adjacent permanent magnets are in an NS opposite distribution mode, so that the Hall can acquire a rectangular wave signal which is conveniently and digitally processed; by using the characteristics that the spaces and the magnetic fluxes are respectively different, the rectangular wave signal can express the position of the permanent magnet blocks on the rotary disk and determine purposes of different rectangular waves; and a relative position between the permanent magnet blocks and the Hall is fixed, and thus the reliability in signal output is realized.

The invention relates to a motorized bicycle having a sensor with multiple position-adjustable magnets in a casing, and belongs to electric motorized bicycles with motorized signals provided by multipoint magnetic induction. The sensor comprises sensing elements, a motorized model processor, a digital-to-analog converter and an operational amplifier which are connected in sequence, the sensing elements include permanent magnets and a Hall sensor unit which are arranged in a cavity formed by combining a rotary disc with a fixed disc, a plurality of permanent magnets are arranged on the rotary disc, magnetic polarities of the adjacent permanent magnets are opposite, the distances among the permanent magnets are adjustable, and the Hall sensor unit on the fixed disc is arranged close to the permanent magnets. The sensor is arranged on a center wheel axle of the bicycle, and the operational amplifier is connected with a motor controller. Relative positions of the permanent magnets and the Hall sensor unit are fixed, the Hall sensor unit can acquire rectangular wave signals, and human-set adjustable motorized model signals can be processed digitally and output to the motorized starting point and the finishing point by the sensor conveniently, so that motorized power is reasonable in distribution, manpower and motorized power can be matched optionally, and electric power is saved.

The invention provides a booster bicycle provided with a rotating disc type sensor with multiple magnetic blocks in uniform distribution, and belongs to an electric booster bicycle capable of providing booster signals by virtue of multiple-point position magnetic sensing. The sensor comprises a sensing element, a booster model processor, a digital-analog converter and an operational amplifier, wherein a plurality of permanent magnetic blocks with opposite adjacent magnetic polarities are fixedly arranged on the rotating disc of the sensing element, the rotating disc is arranged on a central shaft of a wheel of the bicycle, the hall of the sensing element is arranged on a frame close to the permanent magnetic blocks, and the operational amplifier is connected with a motor controller. The booster bicycle has the advantages that the hall can obtain square wave signals, the sensor can be used for outputting after the digital processing, a booster model can be set artificially, the booster start point, the booster finishing point, and the booster power are reasonable, so that a user and a machine can be best matched, and the power is saved.

The invention provides a sensor with a plurality of magnet positions and magnetic flux both unevenly distributed in a housing, belonging to the technology of providing a control signal through multi-point position magnetic induction. The sensor comprises a sensing element, a power model processor, a digital-to-analogue converter and an operational amplifier which are sequentially connected, wherein the sensing element comprises a rotating disc and a fixed disc; permanent magnets and a hall are embedded in the inner cavity of the fixed disc; a plurality of permanent magnets different in spacing and magnetic flux are fixedly arranged on the rotating disc; the adjacent permanent magnets are opposite in magnetic polarity, namely, the distribution manner of the magnetic polarities of all permanent magnets on one surface of the rotating disc are pole N, pole S, pole N...; and the hall on the fixed disc is arranged in a position in the vicinity of the permanent magnets. The sensor has the following advantages that the magnetic polarities are in N-S distribution so that the hall is capable of obtaining a rectangular wave signal, which can be added for digital processing of a set power model; the rectangular wave signal is capable of indicating the positions of the permanent magnets on the rotating disc; therefore, the uses of different rectangular waves are determined; and the relative positions of the permanent magnets and the hall are fixed and the signal output is reliable.

A moped provided with a sensor with unevenly distributed positions of magnetic blocks on a motor casing disclosed by the invention is an electric moped for providing a power signal by multi-point magnetic induction. The sensor comprises a sensing element, a power model processor, a digital-analogue converter and an operational amplifier which are orderly connected, wherein a plurality of adjacent permanent magnet blocks of which the magnetic polarities are opposite are fixedly arranged on the motor casing as the sensing element; the distances between the permanent magnet blocks are different; a hall of the sensing element is arranged on a frame near the permanent magnet blocks; and the operational amplifier is connected with a motor controller. The moped has the advantages that the hall can obtain a rectangular wave signal, the sensor conveniently outputs an artificially set power model via digital treatment, and a power starting point, a finishing point and force are reasonable, so that a person and a machine can be matched and the electricity is saved.

The invention relates to a booster bicycle provided with a rotary table type sensor provided with a plurality of magnetic blocks with adjustable positions and magnetic fluxes, and in particular relates to an electric booster bicycle used for providing booster signals for a plurality of point positions in a way of magnetic induction. The sensor comprises a sensing element, a booster model processor, a digital / analog (D / A) converter and an operational amplifier which are sequentially connected, wherein a rotary table of the sensing element is fixedly provided with the plurality of permanent magnet blocks, and every two adjacent permanent magnet blocks have the opposite magnetic polarities; the gaps among the permanent magnet blocks can be adjusted, and the positions of the magnet blocks with different magnetic fluxes can be adjusted; the rotary table is arranged on the central shaft of each wheel of the bicycle; a Hall of the sensing element is arranged on a frame close to the permanent magnet blocks; and the operational amplifier is connected with a motor controller. The booster bicycle has the advantages that square-wave signals can be obtained by the Hall, the sensor can conveniently use an artificial set booster model through digital processing output, the booster model is adjusted to be reasonable in boosting starting point, finishing point and force, human can cooperate with a machine in a best way, and the electricity is saved.

The invention discloses an assisted bicycle with a magnetic flux sensor with a plurality of magnet blocks nonuniformly arranged on a flywheel, and belongs to an electric assisted bicycle which can provide assistance signals by multi-point magnetic induction. The sensor comprises a sensing element, an assistance model processor, a digital-to-analogue converter and an operational amplifier which are connected in sequence, wherein a plurality of permanent magnet blocks are fixedly arranged on the flywheel serving as the sensing element, and the magnetic polarities of adjacent permanent magnet blocks are opposite to each other; magnetic fluxes of the permanent magnet blocks are different from each other; a Hall element of the sensing element is arranged on a bicycle frame close to the permanent magnet blocks; and the operational amplifier is connected with a motor controller. The assisted bicycle has the advantages that the Hall element can acquire square-wave signals, and the square-wave signals are subjected to the digital processing by the sensor and an assistance model is set artificially; the start point, the end point, and the power of the assistance are reasonable; and man and machine can be matched and electricity can be saved.

A sensor having multiple magnetic blocks of adjustable positions in a housing, comprising, sequentially connected, a sensing element, a power-assist model processor (21), a digital-to-analog converter (27), and an operational amplifier (28). The sensing element comprises permanent magnet blocks (2) and a Hall element (3) arranged within a cavity fitted together by a rotating disk (1) and a fixed disk (40). Fixedly arranged on the rotating disk (1) are the multiple permanent magnet blocks (2) in a circular-annular distribution, the spacing intervals between the permanent magnet blocks (2) are adjustable, the magnetic polarities of adjacent permanent magnet blocks (2) are opposite, that is, the magnetic polarities of all of the permanent magnet blocks (2) on a certain side of the rotating disk (1) are distributed in a pattern of N pole, S pole, N pole...; the Hall element (3) on the fixed disk (40) is arranged at a position in proximity to the permanent magnet blocks (2). The advantages of the sensor is that the N-S distribution of the magnetic polarities allows the Hall element (3) to acquire a rectangular wave signal, and to add a digital processing for setting a power-assist model; by adjusting the spacing intervals of the permanent magnet blocks (2), the rectangular wave signal is allowed to express the positions of the permanent magnet blocks (2) on the rotating disk (1), and to determine the uses of different rectangular waves; the relative positions of the permanent magnet blocks (2) and of the Hall element (3) are fixed, and signal output is reliable.

The invention discloses a motorized bicycle having a rotary disk type sensor with non-uniformity distribution of multi-magnetic block positions, in particular to an electric motorized bicycle for providing an assisting signal by multi-point magnetic induction. The sensor comprises a sensing element, an assisting model processor, a digital / analogue converter and an operational amplifier which are sequentially connected, wherein a plurality of permanent magnet blocks of which adjacent permanent magnet blocks are opposite in magnetic polarities are arranged on a rotary disk of the sensing element; spaces between every two permanent magnet blocks are different; the rotary disk is arranged on a central shaft of a wheel of the bicycle; a Hall of the sensing element is arranged on a frame adjacent to the permanent magnet block; and the operational amplifier is connected with a motor controller. The motorized bicycle has the advantages that the Hall can acquire a rectangular wave signal which is conveniently and digitally processed and output by the sensor; and the assisting model is manually set, and thus an assisting starting point, finishing point and strength are reasonable, a person and a machine can be optimally matched and electricity is saved.

The invention discloses a turntable sensing element with adjustable magnetic fluxes of magnetic blocks and points, belongs to the technical field of providing a signal by magnetic induction and particularly relates to a technology for carrying out multi-point magnetic induction to provide a control signal on a rotating component. A plurality of permanent magnet blocks which are distributed in a ring are fixedly arranged on the turntable sensing element; the distances between the permanent magnet blocks can be adjusted and the magnetic fluxes of the permanent magnet blocks at different positions can be adjusted; the magnetic polarities of the adjacent permanent magnet blocks are opposite at one side of the rotating plate, namely the magnetic polarity distribution mode of all permanent magnet blocks at one side of the turntable sensing element is an N pole, an S pole, an N pole ...; and halls are arranged at the positions near the permanent magnet blocks. The turntable sensing element has the advantages that the halls can obtain rectangular wave signals by an opposite distribution mode of the magnetic polarities NS of the adjacent permanent magnet blocks; the signals can be conveniently subjected to digital processing, and the rectangular wave signals can present the positions of the permanent magnet blocks on the rotating plate by difference of the distances and the magnetic fluxes, and uses of different rectangular waves are determined.

The invention discloses an assisted bicycle with a magnetic flux sensor with a plurality of magnet blocks nonuniformly arranged on a flywheel, and belongs to an electric assisted bicycle which can provide assistance signals by multi-point magnetic induction. The sensor comprises a sensing element, an assistance model processor, a digital-to-analogue converter and an operational amplifier which are connected in sequence, wherein a plurality of permanent magnet blocks are fixedly arranged on the flywheel serving as the sensing element, and the magnetic polarities of adjacent permanent magnet blocks are opposite to each other; magnetic fluxes of the permanent magnet blocks are different from each other; a Hall element of the sensing element is arranged on a bicycle frame close to the permanent magnet blocks; and the operational amplifier is connected with a motor controller. The assisted bicycle has the advantages that the Hall element can acquire square-wave signals, and the square-wave signals are subjected to the digital processing by the sensor and an assistance model is set artificially; the start point, the end point, and the power of the assistance are reasonable; and man and machine can be matched and electricity can be saved.

The invention discloses a rotating disc type sensing element with a plurality of unevenly distributed magnet blocks, belongs to the technical field of providing signals through magnetic induction, and in particular relates to the technology of providing a control signal through multi-point position magnetic induction on a rotating part. A plurality of permanent magnets distributed annularly are fixedly arranged on a rotating disc, and the spacings between the plurality of permanent magnets are different; the adjacent permanent magnets are opposite in magnetic polarity on one surface of the rotating disc; in other words, the distribution manner of the magnetic polarities of all permanent magnets on one surface of the rotating disc are pole N, pole S, pole N...; and a hall is arranged in a position in the vicinity of the permanent magnets. The rotating disc type sensing element with the plurality of unevenly distributed magnet blocks has the following advantages that with the opposite N-S distribution manner of the magnetic polarities of the adjacent permanent magnets, the hall is capable of obtaining a rectangular wave signal, thereby facilitating digital processing of the signal; and as the spacings between the plurality of permanent magnets are different, the rectangular wave signal is capable of indicating the positions of the permanent magnets on the rotating disc; and therefore, the uses of different rectangular waves are determined.