CN205562774U - Hall sensing device - Google Patents
Hall sensing device Download PDFInfo
- Publication number
- CN205562774U CN205562774U CN201620157538.8U CN201620157538U CN205562774U CN 205562774 U CN205562774 U CN 205562774U CN 201620157538 U CN201620157538 U CN 201620157538U CN 205562774 U CN205562774 U CN 205562774U
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- magnet steel
- cavity
- pcb board
- housing
- sensing device
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- Measuring Magnetic Variables (AREA)
Abstract
The utility model relates to a hall sensing device in the sensing device field, including the casing, be equipped with the cavity on the casing and connect the socket with input/output, be provided with the shield ring in the cavity, having seted up the round hole on the casing, having installed the axle sleeve in the round hole, be provided with the pivot in the axle sleeve, in the one end of pivot extended to the cavity, the other end was located the outside of casing, is connected with the magnet steel on the end of pivot, and the magnet steel is located the shield ring, install the PCB board in the casing, be equipped with hall element on the PCB board, hall element correspond to set up the end of magnet steel and the magnet steel between leave the clearance, the PCB board connects the pin of socket to be connected with input/output, be connected with the apron that is used for shielding the cavity on the casing. The utility model discloses settings because hall element and pivot cooperate detects the magnetic variation of magnet steel production on the pivot end through hall element, simultaneously because the existence of PCB board, export after can changing the magnetic variation that detects into the signal of telecommunication. The device can regard as sensing device, and it uses safe and reliable.
Description
Technical field
This utility model relates to a kind of sensing device.
Background technology
Hall element based on Hall effect is usually used in measuring magnetic field intensity, and Hall element utilizes Hall effect to measure, and the changes of magnetic field detected is changed into signal of telecommunication output, and its output voltage is directly proportional to magnetic field intensity.Current Hall element can bear certain vibration, can work in 150 degree Celsius range above freezing at subzero 40 degrees Celsius, all seals and is not contaminated by water greasy dirt, is fully able to adapt to the harsh environments of automobile.
Existing Chinese patent database discloses a kind of Hall gear position sensor, its number of patent application is: 200910030024.0, filing date: 2009.03.26, publication No. is: CN101520300A, date of publication is: 2009.09.02, and its structure includes: be provided with Hall chip on inner housing, circuit board, circuit board, and Hall chip is switch Hall IC, being close to the inwall of inner housing (1), its quantity is identical and parallel with one another with the quantity of automobile gear level；Each switch Hall IC is three pins S1, S2 and S3, and pin S1 connects power supply, pin S2 ground connection；Pin S3 is signal output part.It is disadvantageous in that: owing to this device is only a kind of Hall gear position sensor that electronic control component connects; it is not specifically described the annexation of electronic control component and gear selection mechanism; cannot ensure that the changes of magnetic field detected during gearshift transfers the signal of telecommunication accurately to, the most again the signal of telecommunication is exported.
Utility model content
The purpose of this utility model is to provide a kind of hall sensing device, detects, by Hall element, the changes of magnetic field that rotating shaft end head upper magnetic steel produces, and exports after the changes of magnetic field detected is changed into the signal of telecommunication.
The purpose of this utility model is achieved in that a kind of hall sensing device, includes housing, and described housing is provided with cavity and input and output plug receptacle, is provided with shading ring in cavity；Offering circular hole on described housing, be provided with axle sleeve in circular hole, be provided with rotating shaft in axle sleeve, one end of rotating shaft extends in cavity, and the other end is positioned at the outside of housing, and the termination of rotating shaft connects has magnet steel, magnet steel to be positioned at shading ring；Being provided with pcb board in housing, pcb board is provided with Hall element, Hall element be correspondingly arranged at magnet steel termination and and magnet steel between leave gap；Pcb board is connected with the pin of input and output plug receptacle；Connect on housing and have the cover plate for covering cavity.
During utility model works, input and output plug receptacle provides power to pcb board, rotating shaft simultaneously drives magnet steel to rotate, in magnet steel rotation process, magnetic field changes, Hall element after energising detects the changes of magnetic field that rotating shaft end head upper magnetic steel produces, the changes of magnetic field detected is changed into the signal of telecommunication, and the signal of telecommunication is exported by input and output plug receptacle.Compared with prior art, the beneficial effects of the utility model are: owing to Hall element matches with rotating shaft setting, can detect, by Hall element, the changes of magnetic field that rotating shaft end head upper magnetic steel produces；Simultaneously because the existence of pcb board, export after the changes of magnetic field detected can be changed into the signal of telecommunication.This device can be as sensing device, and it is safe and reliable.
Being connected with cover plate for the ease of housing, described housing is provided with buckle, and cover plate is provided with the draw-in groove corresponding with described buckle.
Further, described axle sleeve is connected in rotating shaft through split washer is spacing；Rubber ring and plain washer it is set with successively, for the ease of sealing and barrier lubricant grease in rotating shaft between described axle sleeve and split washer.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the exploded perspective view of Fig. 1.
Fig. 3 is the internal structure schematic diagram of Fig. 1 middle shell.
Wherein, 1 housing, 2 cavitys, 3 split washers, 4 plain washers, 5 pins, 6 circular holes, 7 draw-in grooves, 8 buckles, 9 input and output plug receptacles, 10 shading rings, 11PCB plate, 12 Hall elements, 13 cover plates, 14 axle sleeves, 15 rotating shafts, 16 magnet steel, 17 rubber rings.
Detailed description of the invention
As Figure 1-3, for a kind of hall sensing device, including housing 1, housing 1 is provided with cavity 2 and input and output plug receptacle 9, is provided with shading ring 10 in cavity 2；Offering circular hole 6 on housing 1, be provided with axle sleeve 14 in circular hole 6, be provided with rotating shaft 15 in axle sleeve 14, one end of rotating shaft 15 extends in cavity 2, and the other end is positioned at the outside of housing 1, and the termination of rotating shaft 15 connects has magnet steel 16, magnet steel 16 to be positioned at shading ring 10；Being provided with pcb board 11 in housing 1, pcb board 11 is provided with Hall element 12, Hall element 12 be correspondingly arranged at magnet steel 16 termination and and magnet steel 16 between leave gap；Pcb board 11 is connected with the pin 5 of input and output plug receptacle 9；Connecting on housing 1 and have the cover plate 13 for covering cavity 2, housing 1 is provided with buckle 8, and cover plate 13 is provided with the draw-in groove 7 corresponding with buckle 8；Axle sleeve 14 is connected in rotating shaft 15 through split washer 3 is spacing；Rubber ring 17 and plain washer 4 it is set with successively, for the ease of sealing and barrier lubricant grease in rotating shaft 15 between axle sleeve 14 and split washer 3.
During work, power supply is supplied to pcb board 11 through pin 5 by input and output plug receptacle 9, rotating shaft simultaneously 15 drives magnet steel 16 to rotate, in magnet steel 16 rotation process, magnetic field changes, Hall element 12 after energising detects the changes of magnetic field that rotating shaft 15 termination upper magnetic steel 16 produces, the changes of magnetic field detected is changed into the signal of telecommunication, and the signal of telecommunication passes to input and output plug receptacle 9 by pin 5.
This utility model is not limited to above-described embodiment; on the basis of technical scheme disclosed in this utility model; those skilled in the art is according to disclosed technology contents; need not performing creative labour and some of which technical characteristic just can be made some replacements and deformation, these are replaced and deformation is all in protection domain of the present utility model.
Claims (3)
1. a hall sensing device, includes housing, it is characterised in that: described housing is provided with cavity and input and output plug receptacle, is provided with shading ring in cavity；Offering circular hole on described housing, be provided with axle sleeve in circular hole, be provided with rotating shaft in axle sleeve, one end of rotating shaft extends in cavity, and the other end is positioned at the outside of housing, and the termination of rotating shaft connects has magnet steel, magnet steel to be positioned at shading ring；Being provided with pcb board in housing, pcb board is provided with Hall element, Hall element be correspondingly arranged at magnet steel termination and and magnet steel between leave gap；Pcb board is connected with the pin of input and output plug receptacle；Connect on housing and have the cover plate for covering cavity.
A kind of hall sensing device the most according to claim 1, it is characterised in that: described housing is provided with buckle, and cover plate is provided with the draw-in groove corresponding with described buckle.
A kind of hall sensing device the most according to claim 1, it is characterised in that: described axle sleeve is connected in rotating shaft through split washer is spacing；Rubber ring and plain washer it is set with successively in rotating shaft between axle sleeve and split washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620157538.8U CN205562774U (en) | 2016-03-02 | 2016-03-02 | Hall sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620157538.8U CN205562774U (en) | 2016-03-02 | 2016-03-02 | Hall sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205562774U true CN205562774U (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620157538.8U Active CN205562774U (en) | 2016-03-02 | 2016-03-02 | Hall sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205562774U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520414A (en) * | 2018-12-26 | 2019-03-26 | 上海索迪龙自动化有限公司 | Angular transducer |
| CN112279157A (en) * | 2020-11-04 | 2021-01-29 | 合肥德通科贸有限公司 | Stepless speed regulation sensor with stable signal |
-
2016
- 2016-03-02 CN CN201620157538.8U patent/CN205562774U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520414A (en) * | 2018-12-26 | 2019-03-26 | 上海索迪龙自动化有限公司 | Angular transducer |
| CN112279157A (en) * | 2020-11-04 | 2021-01-29 | 合肥德通科贸有限公司 | Stepless speed regulation sensor with stable signal |
| CN112279157B (en) * | 2020-11-04 | 2023-12-12 | 合肥德通科贸有限公司 | Stepless speed regulation sensor with stable signal |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |