58results about How to "Correct assistance needs" patented technology

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 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 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 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 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.

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.

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.

A moped provided with a turntable sensor with changing positions and magnetic fluxes of magnetic blocks 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 a rotating plate of the sensing element; the distances between the permanent magnet blocks and the magnetic fluxes are different; the rotating plate is arranged on a wheel center shaft of a bicycle; 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 provides a rotating disk type sensing element with uniform distribution of multiple magnetic blocks, belongs to the technical field of providing signals by magnetic induction and particularly relates to a technology for performing multi-point magnetic induction on a rotating part for providing control signals. A plurality of permanent magnets, which are annularly distributed, are fixedly arranged on a rotating disk, the magnetic polarities of the adjacent permanent magnets on one surface of the rotating disk are opposite, and the distribution way of the magnetic polarities of all the permanent magnets on the surface of the rotating disk is N pole, S pole, N pole...; and Halls are arranged in the positions near the permanent magnets. The rotating disk type sensing element has the advantages that, by utilizing the NS opposite distribution way of the magnetic polarities of the adjacent permanent magnets, the Halls can obtain rectangular wave signals and digital processing can be conveniently performed on the signals.

The invention discloses a power-assisted bicycle with a sensor with a flywheel provided with position / magnetic flux-adjustable magnetic blocks, which is 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, a plurality of permanent magnet blocks (two adjacent permanent magnet blocks are opposite in magnetic polarity) are fixed on a flywheel as the sensing element, the distance between every two permanent magnet blocks and the positions of the permanent magnet blocks with different magnetic fluxes can be adjusted, 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 power-assisted bicycle disclosed by the invention has the advantages that: 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 relates to a power assisting bicycle with an adjustable magnet block position sensor on a flywheel, and an electric power assisting bicycle adopting multi-point magnetic induction for providing power assisting signals. A sensor comprises a sensing element, a power assisting model processor, a digital to analog converter and an operational amplifier, which are connected in sequence, wherein a plurality of permanent magnets are fixedly arranged on the flywheel serving as the sensing element in such a manner that the adjacent magnetic polarities of the permanent magnets are opposite; the distance between the permanent magnets is adjustable; Halls of the sensing element are arranged on a bicycle frame near the permanent magnets; and the operational amplifier is connected with a motor controller. The power assisting bicycle has the advantages that the Halls can acquire rectangular wave signals; the sensor can conduct digital processing on the rectangular wave signals and output a power assisting model which can be set artificially; and the power assisting model can be adjusted to a power assisting starting point and a power assisting end point with reasonable power, so that a man and a machine can match each other optimally with less electricity.

The invention discloses a sensing element with a plurality of magnet blocks uniformly distributed in a housing, belongs to the technical field of signal providing magnetic induction, and particularly relates to a technology for providing a control signal with multi-point magnetic induction on a rotating component. A plurality of permanent magnets and Halls are arranged in cavities embedded in a rotation plate and a fixed plate; the permanent magnets are fixedly arranged on the rotation plate and distributed to form a ring-shaped structure in such a manner that the adjacent magnetic polarities of the permanent magnets are opposite, that is, the distribution manner is N pole, S pole, N pole and so on; and the Halls on the fixed plate are arranged in positions near the permanent magnets. The sensing element has the advantages that as the adjacent magnetic polarities of the permanent magnets are opposite, that is, the distribution manner is N pole, S pole, N pole and so on, the Halls can acquire rectangular wave signals, and digital processing can be conducted on the rectangular wave signals conveniently; and the positions of the permanent magnets and the Halls are fixed relatively, so that signals can be output reliably.

A moped provided with a sensor with adjustable positions and magnetic fluxes of magnetic blocks on a keyboard 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 and the positions of the magnetic blocks with different magnetic fluxes can be adjusted; 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 can be adjusted to be reasonable, so that a person and a machine can be best matched and the electricity is saved.

A moped provided with a sensor with changing positions and magnetic fluxes 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 and magnetic fluxes of 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 position rotary table type sensor provided with adjustable magnetic blocks, in particular to an electric booster bicycle used for providing booster signals at a plurality of point positions in a way of magnetic induction. The sensor comprises a sensing element, a booster model processor, a digital-to-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 are opposite in magnetic polarity; the gaps among the permanent magnet blocks 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, so that the sensor can output a manually set booster model through digital processing, the booster model can be adjusted to be reasonable in the boosting starting point, the finishing point and the force, a human can cooperate with a machine, and the electricity is saved.

A sensor having multiple magnetic blocks of adjustable positions and magnetic fluxes 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 a rotating disk (1) and an annular groove fixed disk (40) fitted therewith. Fixedly arranged on the rotating disk (1) are multiple permanent magnet blocks (2) in a circular-annular distribution, the spacing intervals of the permanent magnet blocks (2) are adjustable and the magnetic fluxes of the permanent magnet blocks (2) at different positions are adjustable, and the magnetic polarities of adjacent permanent magnet blocks (2) are opposite, that is, 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 distribution of the N and S poles of the permanent magnet blocks (2) allows the Hall element (3) to acquire a rectangular wave signal, and to add a digital processing for setting a power-assist model. By utilizing the different spacing intervals and magnetic fluxes, 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, while signal output is reliable.

The invention relates to a power assisting bicycle with an adjustable magnet block position sensor on a flywheel, and an electric power assisting bicycle adopting multi-point magnetic induction for providing power assisting signals. A sensor comprises a sensing element, a power assisting model processor, a digital to analog converter and an operational amplifier, which are connected in sequence, wherein a plurality of permanent magnets are fixedly arranged on the flywheel serving as the sensing element in such a manner that the adjacent magnetic polarities of the permanent magnets are opposite; the distance between the permanent magnets is adjustable; Halls of the sensing element are arranged on a bicycle frame near the permanent magnets; and the operational amplifier is connected with a motor controller. The power assisting bicycle has the advantages that the Halls can acquire rectangular wave signals; the sensor can conduct digital processing on the rectangular wave signals and output a power assisting model which can be set artificially; and the power assisting model can be adjusted to a power assisting starting point and a power assisting end point with reasonable power, so that a man and a machine can match each other optimally with less electricity.

A moped provided with a sensor with uniformly distributed 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; 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.

A moped provided with a sensor with adjustable positions and magnetic fluxes 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 and the positions of the magnetic blocks with different magnetic fluxes can be adjusted; halls of the sensing element are arranged on the frame near the permanent magnet blocks; and the operational amplifier is connected with a motor controller. The moped has the advantages that the halls can obtain rectangular wave signals, the sensor conveniently outputs an artificially set power model via digital treatment, and a power starting point, a finishing point and force can be adjusted to be reasonable, so that a person and a machine can be best matched and the electricity is saved.

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 provides a booster bicycle with an adjustable magnetic block position sensor arranged on a motor shell, and discloses an electric booster bicycle capable of providing booster signals by multiple-point position sensing. The sensor comprises a sensing element, a booster model processor, a digital-analog converter and an operational amplifier which are connected in sequence, wherein a plurality of permanent magnetic blocks with opposite adjacent magnetic polarities are fixedly arranged on a motor shell which is taken as the sensing element, the distance between the permanent magnetic blocks can be adjusted, the hall of the sensing element is arranged on a frame close to the permanent magnetic blocks, 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 distance between the booster model to the booster start point, the distance between the booster model to the booster finishing point, and the booster power are adjusted to be reasonable, so that a user and a machine can be best matched, and the power is saved.

The invention discloses a turntable sensor with uniformly distributed magnetic blocks for a moped, 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. The turntable sensor comprises a sensing element, a power model processor, a digital-analogue converter and an operational amplifier which are orderly connected, wherein the sensing element is that a plurality of permanent magnet blocks which are distributed in a ring are fixedly arranged on a rotating plate; 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 are arranged at the positions near the permanent magnet blocks. The sensor 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, and the sensor is the sensor capable of outputting an electric signal with an artificially set control model.

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.

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 relates to a power assisting bicycle with a multi-magnet block position and magnetic flux variation sensor on a chain plate, and an electric power assisting bicycle adopting multi-point magnetic induction for providing power assisting signals. A sensor comprises a sensing element, a power assisting model processor, a digital to analog converter and an operational amplifier, which are connected in sequence, wherein a plurality of permanent magnets are fixedly arranged on the chain plate serving as the sensing element in such a manner that the adjacent magnetic polarities of the permanent magnets are opposite; the distances and the magnetic fluxes between the permanent magnets are different; Halls of the sensing element are arranged on a bicycle frame near the permanent magnets; and the operational amplifier is connected with a motor controller. The power assisting bicycle has the advantages that the Halls can acquire rectangular wave signals; the sensor can conduct digital processing on the rectangular wave signals and output a power assisting model which can be set artificially; and the power assisting model can be adjusted to a power assisting starting point and a power assisting end point with reasonable power, so that a man and a machine can match each other optimally with less electricity.

The invention discloses a booster bicycle provided with a magnetic flux sensor with multiple magnetic blocks arranged on a keyboard, and the booster bicycle is driven by power and can provide 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 which are connected in sequence, wherein a plurality of permanent magnetic blocks with opposite adjacent magnetic polarities are fixedly arranged on a keyboard which is taken as the sensing element, the magnetic fluxes of the permanent magnetic blocks are different, a hall of the sensing element is arranged on a frame close to the permanent magnetic blocks, 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.