198results about How to "No mechanical failure" patented technology

The invention discloses an air purifier capable of preventing faking based on filter element recognition. The air purifier comprises an air purifier main body, wherein a control circuit and a purifying cavity are arranged in the purifier main body; multiple layers of filter elements are arranged in the purifying cavity and are in matched connection with the air purifier main body through an identity recognition unit; the identity recognition unit comprises identity recognition chips and an identity recognition device; the identity recognition chips are arranged on the filter elements, and the identity recognition device is arranged on the purifier main body and is connected with the control circuit and drives the control circuit to work only after the identity recognition chips are successfully matched with the identity recognition device. The identity recognition unit serves as an authentication device, so that the air purifier is capable of automatically recognizing filter element products without manual intervention, acquiring relevant data and simultaneously recognizing multiple targets, is high in response speed and long in service life, has no mechanical fault and can resist the severe environment, counterfeited products can be effectively combated, and the product quality is guaranteed.

The invention provides a DC charging relay state detection device and method thereof and a DC charging system, and belongs to the technical field of DC charging. The DC charging relay state detection device comprises a first line which is connected between a first high voltage bus and a second high voltage bus in a bridging way, wherein a first resistor unit and a third resistor unit are arranged on the first line in a series connection way; a second line which is connected between the first high voltage bus and the second high voltage bus in a bridging way, wherein a second resistor unit and a fourth resistor unit are arranged on the second line in a series connection way; a switch component of which the two ends are electrically connected on the first line between the first resistor unit and the third resistor unit and the second line between the second resistor unit and the fourth resistor unit; and a state acquisition component which is used for reading information representing voltage information of the first end or the second end of the switch component so as to judge the stage of a DC charging relay. The DC charging relay state detection device has the advantages of being accurate and reliable in state detection and simple in detection.

The invention discloses a wireless switch control method and a control system of a wireless switch. The method includes the following steps: 1.a wireless radio frequency mobile terminal senses and identifies a wireless radio frequency tag, and a user inputs switch control requests and instructions through the wireless radio frequency mobile terminal; 2.the wireless radio frequency mobile terminal sends the switch control requests and instructions to a control server through a wireless communication network; 3.and the control server validates the switch control requests and instructions, and actuates a switch device which has logical mapping with the wireless radio frequency tag sensed by the wireless radio frequency mobile terminal. The wireless switch control system which achieves the wireless switch control method comprises the wireless radio frequency tag, the wireless radio frequency mobile terminal, the control server, and the switch device, wherein a unique identity (ID) number in the system is stored by the wireless radio frequency tag, and the ID number has the logical mapping with a real switch device. The wireless switch control method and the control system of the wireless switch have the advantages of being low in cost, low in failure rate and the like.

The invention discloses a variable-precision optical fiber sensor, which includes a probe, a light source and an optical receiver, the light source and the optical receiver are separately connected with probe through luminiferous medium in luminiferous connection, which is characterized in that the probe is a double optical fiber probe including sensor end, light incidence end and light emergence end, lots of the double optical fiber probes are arranged in a row on the surface, every double optical fiber probe sensor end is arranged according to height difference delta H; the luminiferous medium is cable, which is composed of optical fiber bundle comprising optical fiber induced from light incidence end or light emergence end of every double optical fiber probe; the double optical fiber probe with height difference delta H is arranged in space to form a multi-row with height difference delta H'. The invention can be used for testing liquid level in inflammable and explosive fluid, which has the characteristics of simple structure, low producing cost, strong capability of anti-electromagnetism and anti-interference, and anti-corrosion.

The invention is a current-equalizing pneumatic heat exchanging bed for a circulating fluidized bed boiler (CFBB), comprising a feed bin 1, a high-temperature bin 2, a current-equalizing bin 3, a heat exchanging bin 4, a low-temperature bin 5, a wind box 16 of each bin and the bottom part thereof, an air distributor 15, a hood 14, an air duct 18 and a wind speed control device 19 to form an independent and operable integral. The shunting ratio of circulating ash can be controlled by adjusting wind speed of each bin, part of circulating ash directly goes back to a furnace 20, and the other part thereof goes back to the furnace 20 after being cooled by a heating surface 6. The invention uses a pneumatic method for realizing shunting and controlling of the circulating ash, has the advantages of wide adjusting range, evenly heat exchanging, no abrasion and tube explosion and mechanical fault, and is applicable to large-scale circulating fluidized bed boiler (CFBB).

The invention relates to an integrated movable emergency communication base station. The base station comprises a movable chassis, a base station room and a rotary type telescopic communication tower, wherein the base station room is arranged on the movable chassis, and the rotary type telescopic communication tower is arranged in the base station room. The rotary type telescopic communication tower comprises multi-stage tower bodies, the multi-stage tower bodies are erected on a tower base of the movable chassis through a rotating shaft in the middle of a first-stage tower body, all the multi-stage tower bodies of the rotary type telescopic communication tower are located in the base station room when contracting and overturning to be in a horizontal state, the top end of the first-stage tower body of the multi-stage tower bodies is supported through a supporting frame arranged on the movable chassis, and the multi-stage tower bodies of the rotary type telescopic communication tower extend out of the base station room through a skylight arranged in a roof of the base station room when overturning to be in a vertical state. The integrated movable emergency communication base station solves the problem that an existing communication base station is inconvenient to move and complicated to erect and has the advantages of being small in size, convenient to move, simple to erect, good in stability, wide in application range and the like.

The invention discloses a movable emergency flood bank. The movable emergency flood bank comprises a flood bank, wherein the flood bank is provided with a series of gate leaves; supporting piers are arranged on the flood bank and supports are arranged on the supporting pier; one end of each support is movably connected with a gate leaf support through a support shaft; the gate leaf supports are fixedly mounted at the lower parts of downstream faces of the gate leaves; the other end of each support is movably connected with one end of a supporting rod by a supporting shaft lower rod; the supporting seats are mounted at the upper parts of the downstream faces of the gate leaves; the other ends of the supporting rods are movably connected with the supporting seats by supporting rod upper shafts; lifting ring seats are arranged at the upper ends of the gate leaves; lifting rings are arranged on the lifting ring seats. By the aid of the movable emergency flood bank, the lifting rings can be lifted by the flood bank under the rotation of the gate leaves; after the gate leaves are rotated to the vertical position and are fixed, the fixed gate leaves can express a flood prevention function; the gate leaves are rotated to the horizontal position by lifting the lifting rings after the blood; the gate leaves have the function of being used as a road of the flood bank and mechanical faults caused by a complicated machine are avoided; the two functions can be conveniently and rapidly converted, the structure is simple, the appearance is beautiful and the cost is less.

The invention discloses a photoelectric liquid level sensor and a measuring method; the photoelectric liquid level sensor comprises a laser and a photoelectric receiver, wherein the laser is connected with the photoelectric receiver through an optical fiber, the optical fiber is arranged in the a protection pipe, and the bottom of the protection pipe is provided with a plurality of holes. Or, the laser is communicated with the photoelectric receiver through a glass rod, the bottom of the glass rod is provided with a triple prism or a reflection device, the photoelectric liquid level sensor provided in the invention is arranged in the liquid, and the internal light transmission conditions are destroyed through changing the boundary condition of light transmission medium to result in that the output light intensity is in direct proportion to the liquid level height in order to measure the liquid level height. The sensor immerges into the liquid, adopts the optical device and has no electronic device, and thereby has the strong anti-electromagnetic interference ability and the good corrosion resistance and is particularly applied to the measurement of flammable and explosive liquid. The invention has the advantages of the small volume, the simple structure, the low cost, the convenient installation, no electric quantity in the liquid, and the safe and convenient measurement.

The present invention relates to a circulating fluid-bed circulating ash pneumatic control distribution valve. It includes the following several portions: high-temperature gas-solid separator, vertical breaker plate, first and second feeding chambers, first and second discharging chambers, first and second overflow holes, air distribution plate and air chamber. Said invention also provides the connection mode of all the above-mentioned portions and the working principle of said circulating ash pneumatic control valve.

This invention is a home mini ice machine, which is used to produce the squarely transparent ice. It includes the ice forming system and freezing system, which are all in the body of the machine. The talked ice system is made up by water box, ice storage box, ice model shelf, ice model, water spraying pipe, water pump, upper and lower water pipes and direction board for the ice. The ice model shelf is fixed on the upper of the water box, there is ice on the ice model shelf, and there is direction board for the ice under the ice model which can be turned over. The ice storage box is under the direction board for the ice and can be freely get and put, and the water pump fixed on the floor of the machine. The outline of the water case connects with the pump, through the inlet pipe the water pump connects with the water spray pipe, and there is many holes on the spray pipe which are toward to the surface of ice model. There is electromagnetic valve of water inlet on the rear of machine, the valve connects with the water inlet pipe which is on the top of water case. This ice from this invention can be squareness, with hole at the middle and solid, and the yield is high.

A gear unit comprises shafts (101,102) for connecting to an external mechanical system, at least one gear stage (103) between the shafts, a lubrication pump (104) for circulating lubricating oil through the at least one gear stage and bearings of the gear unit, a temperature sensor (105) for measuring temperature of the lubricating oil and supplying a temperature signal, an electrical motor (107) for driving the lubrication pump, and an electrical device (108) for controlling the electrical motor so that torque directed to the lubrication pump is below a torque limit. The torque limit is determined dynamically on the basis of the measured temperature of the lubricating oil.

The invention discloses an externally-assisted vibrating feeder which comprises a feeding compartment body, the underside of one end of the feeding compartment body is erected on an installed crusher driving shaft mechanism through a docked connecting rod device, and the other end of the feeding compartment body is erected on an installed crusher rack through an adjustable supporting device. According to the invention, through skillfully using the linked fixed installation of the feeder and a crusher, synchronously operating and using realistic conditions, removing a vibration exciter and adding a docked connecting rod device, a feeding operation is completed by using an exciting force generated by the rotary motion of the crusher driving shaft mechanism. In such a way, the feeder becomes extremely concise and light, the equipment manufacturing and running costs are greatly reduced, and the application and maintenance of the feeder are more convenient. Due to the versatility of the docked connecting rod device, the docked connecting rod device can be widely matched with different types of crushers (such as impact crushers and hammer crushers) for using purpose.

The invention relates to a full-automatic metal particle double-top-stopper machine, which comprises a stand, wherein a tape passing device, a tape conveying device, a crochet locating device, tape dividing devices, a top stopper device, a vibrating loading device and a controller are arranged on the stand; and by virtue of two tracks of the vibrating loading device, one or two metal particles can be simultaneously fed into the top stopper device, so that an effect of simultaneously mounting one or two metal particles is achieved and an overall production efficiency is improved. Meanwhile, with the application of the conveying part, the number of the metal particles entering an accommodating space of the top stopper device in each time is limited, so that mechanical failure is prevented. With the design of tape dividing heads, a zipper tape can be turned upwards by an appropriate angle, so as to facilitate mounting of the metal particles in the top stopper device.

The invention provides a remote meter reading system, and relates to the technical field of communication. The remote meter reading system provided by the invention uses a Halle element and an acquirer matched with magnetic steel, the acquisition module is fixed on a mechanical character wheel through the magnetic steel to be matched with the Hall element (a sampling plate) so that the magnetic steel can rotate along with the rotation of the mechanical character wheel, and then a magnetic field emitted by the magnetic steel can be rotated; the sampling plate is capable of producing a sampling signal to finish the signal acquisition when the magnetic steel rotates to an appointed position. Compared with a reed switch, for the remote meter reading system, the Hall element is free of the mechanical failure, the reliability of the Hall element is higher than that of the reed switch, the service life is longer, the remote meter reading system is capable of accurately reading the scale of a meter, and the defect caused by the condition that the reed switch is used for signal acquiring in the prior art is solved.

The invention relates to an air cushion suspension type conveying device comprising a stander (1), an air supply device (9), a flat conveyor (2), a gas pipeline (7), a controller (10) and a plurality of control valves (6). The air cushion suspension type conveying device is characterized in that a working table surface (3) is provided with a plurality of air cushion generating devices (4); each air cushion generating device (4) comprises an air inlet nozzle (17), a stand (14), a maze seat body (11), a sealing ring (12) and a plate (13), wherein the maze seat body, the sealing ring and the plate are arranged in the stand (14); the upper end of the maze seat body is in sealing connection with the lower end of the plate through the sealing ring (12); the air inlet end of the air inlet nozzle is connected with the air outlet ends of the control valves (6); and the air outlet end of the air inlet nozzle is in threaded connection with the air inlet end of the maze seat body. The invention has simple structure, low fabrication cost, safe and reliable use, large conveying bearing capacity, rapidness, accuracy, low noise and large use range.

The invention comprises a return device and an external heat exchanger. One part of circulating ashes separated from a high-temp. gas-solid separator returns to the hearth directly and the other part enters into the external heat exchanger and then return to the hearth again after exchanging heat with the heat-exchanging surface. The ratio of the flow rate of the two parts of the circulating ashes is regulated by fluidized air, so as to realize the control of the circulating ash entered the external heat exchanger.

The invention relates to a jet type fertilizer injector with oscillation cavities. A water-fertilizer mixture liquid mixed in advance is poured into a packing chamber; then an irrigation system is started and a feed gate valve is opened; water under pressure from a water pump of the irrigation system is sprayed out from an injection orifice of a jet nozzle at a high speed so that a subpressure is formed in a fertilizer injection cavity; the water-fertilizer mixture liquid in a packing cavity passes through a filter screen of the packing cavity, the feed gate valve, a check valve and a feed pipe and then enters the fertilizer injection cavity under the effect of the subpressure and enters a primary oscillation cavity through a round throat with a diameter of d1 together with a high speed water flow sprayed out from the jet nozzle for primary dissolving, vortex oscillating, stirring and 'cracking' and then enters a secondary oscillation cavity through a round throat with a diameter of d2 for secondary dissolving, vortex oscillating, stirring and 'cracking' and finally enters a filter of the irrigation system through a round throat with a diameter of d3 and a gradient runner. The jet type fertilizer injector with oscillation cavities can inject phosphatic fertilizers with poor water-solubility to the irrigation system, has high effect, can save energies, and is simple and durable.

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 transformer verification system and a verification method. The verification system comprises a control cabinet, a self-boosting standard voltage transformer, a current transformer detection table, a two-dimensional code generation device, a code scanning gun and a PC. The control cabinet comprises a program-controlled voltage load box, a program-controlled current load box, a program-controlled transformer calibrator, a linear program-controlled electronic power supply and a control cabinet communication system. A current booster, a standard current transformer and acurrent transformer detection communication system are arranged in the current transformer detection table. A plurality of current transformers can be connected to the current transformer detection table. Error verification of the voltage transformers and the current transformers can be realized, full-automatic simultaneous error verification of multiple current transformers can be completed at the same time under the condition of one-time wiring of only one set of device, the verification efficiency is greatly improved, and manual wiring is less and simple.

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 vacuum sewage discharging type dejectas collecting system. The vacuum sewage discharging type dejectas collecting system comprises a main-seat type toilet, a sub-seat type toilet, an urination room, a shower room, a sewage tank and a pure water tank, wherein the main-seat type toilet, the sub-seat type toilet and the urination room are connected with the sewage tank; the main-seat type toilet, the sub-seat type toilet, the urination room and the shower room are connected with the pure water tank; a water outlet of the pure water tank is provided with a supercharger; a main control panel is arranged in the main-seat type toilet; a first auxiliary control panel, a second auxiliary control panel and a third auxiliary control panel are respectively arranged in the sub-seat type toilet, the urination room and the shower room; the main control panel is connected with the first auxiliary control panel; and the first auxiliary control panel is respectively connected with the second auxiliary control panel and the third auxiliary control panel. As the whole water feeding and water draining process is controlled through a solenoid valve, the vacuum sewage discharging type dejectas collecting system is convenient to operate without mechanical faults; and as sewage and dirt cannot be discharged of a vehicle body, the environmental sanitation along the railway line is greatly protected; and as the toilet can be stilled used while a train arrives a station, the vacuum sewage discharging type dejectas collecting system provides great convenience to passengers while in use.

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.

A moped employing a sensor with uniformly distributed magnetic blocks in a shell 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 the sensing element comprises a rotating plate and a fixing plate; the permanent magnet blocks and halls are arranged on the fixing plate; a plurality of adjacent permanent magnet blocks of which the magnetic polarities are opposite are fixedly arranged on the rotating plate; the halls on the fixing plate are arranged at the positions near the permanent magnet blocks; the sensor is sleeved outside a middle shaft of a bicycle; and the operational amplifier is connected with a motor controller. The moped has the advantages that the opposite positions of the permanent magnet blocks and the halls are fixed; 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 are reasonable, so that a person and a machine can be matched 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 relates to a road well lid and discloses a safety protection washer device for the road well lid. The safety protection washer device for the road well lid is provided with a protection washer, at least two washer supporting frames, a telescopic traffic barrier cone and a protection rope net, wherein the washer supporting frames are fixed on the inner wall of an inspection well; the protection washer is arranged on the washer supporting frames; the telescopic traffic barrier cone is installed on the top of the protection washer; the protection rope net is arranged on the inner ring of the protection washer. The top of the protection washer is attached to the inspection well lid so as to avoid noise, and the protection washer can be a tyre, especially a used tyre. The washer supporting frames can be three to six fixing screws, and the fixing screws are evenly distributed on the inner wall of the inspection well. The fixing screws can be provided with buckles used for buckling the protection washer. The protection rope net can be a woven net in a cross shape, shaped like a Chinese character 'jing' in an X shape, in a * shape or the like. The telescopic traffic barrier cone can be a telescopic conical traffic red and white warning pull cover. The safety protection washer device for the road well lid is simple in structure, low in manufacturing cost, good in safety and good in environmental protection property.

The invention provides a supermarket shopping guide system based on an RFID electronic tag. The system is characterized by comprising a server module and at least one commodity display terminal. The server module and the commodity display terminals are connected in a wireless network communication mode. The supermarket shopping guide system is based on the Wi-Fi communication, the radio wave coverage range is wide, the transmission speed is high, and the multiple commodity display terminals can control the sales volumes of various commodities to be displayed in real time; meanwhile, the electronic tag is adopted, the volume is large, data can be updated at any time and can be read and written, and the defect that an existing paper tag is limited in size, small in data capacity, and not rewritable is overcome.

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 household single-phase series excitation stirrer motor. The household single-phase series excitation stirrer motor comprises a stator iron core, wherein a stator enameled wire is arranged on the stator iron core by a masking tape, a rotor is arranged in the stator iron core, a front end cover and a rear end cover are respectively arranged at two ends of the rotor by bearings, the front end cover, the stator iron core and the rear end cover are connected by a bolt with an elastic gasket, a carbon brush sleeve is arranged on a side wall of the rear end cover, a carbon brush is arranged in the carbon brush sleeve by a rivet, a fan is arranged at a rear end of the rotor and is arranged at an outer side of the rear end cover, the stator enameled wire is connected with a red lead and a black lead, a 0.47-microfarad yellow capacitor is arranged between the red lead and the black lead, a tin immersion end with a length of 6 millimeters is arranged at an end part of the red lead, a wire stripping end with a length of 12 millimeters is arranged at an end part of the black lead, and the stator enameled wire is further connected with an inductor. By the household single-phase series excitation stirrer motor, the motor spark can be improved, temperature rise is relatively low, and the radiation to a human body is further improved.