CN220120113U - Hall potentiometer - Google Patents
Hall potentiometer Download PDFInfo
- Publication number
- CN220120113U CN220120113U CN202321442669.7U CN202321442669U CN220120113U CN 220120113 U CN220120113 U CN 220120113U CN 202321442669 U CN202321442669 U CN 202321442669U CN 220120113 U CN220120113 U CN 220120113U
- Authority
- CN
- China
- Prior art keywords
- potentiometer
- hall
- large gear
- circuit board
- hall chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000004907 flux Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a Hall potentiometer, which belongs to the technical field of potentiometers and solves the problems of low resolution, low precision and inconvenient installation in the prior art. The magnetic steel on the surface of the large gear scans the Hall chip, one circle of rotation of the large gear is converted into a plurality of circles of rotation of the small gear, namely, a single circle of Hall chip is converted into a plurality of circles of small gears, the resolution of the Hall chip is improved, the purpose of accurate control is achieved, the whole potentiometer adopts the Hall chip to induce magnetic flux to change, the conventional contact type potentiometer is replaced, the precision of the potentiometer is improved, and a plurality of components are arranged in the sensor housing, so that the potentiometer is convenient to install.
Description
Technical Field
The utility model belongs to the technical field of potentiometers, and particularly relates to a Hall potentiometer.
Background
The potentiometer is a typical contact absolute angle sensor, and is provided with a sliding contact on a resistor film, so that the position of the contact is changed by external action to change the ratio of the upper resistance to the lower resistance of the resistor film, and the voltage of an output end is changed along with the external position. The hall potentiometer utilizes the hall principle, integrates the contactless potentiometer of the high-precision hall chip, and is characterized in that the internal part adopts the advanced magnetic field direction detection and conversion technology, is stable and reliable, has the resolution of 0.088 degrees and the precision of 0.5 percent, has small volume, is suitable for precise instrument space, and is wide in application and outputs various signals. However, the conventional hall potentiometer has low resolution due to the fact that the hall chip can only sense the change of magnetic flux in a small range, and the purpose of accurate control cannot be achieved.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides the Hall potentiometer with high resolution, high precision and convenient installation.
In order to achieve the technical purpose, the Hall potentiometer provided by the utility model adopts the following technical scheme:
the utility model provides a hall potentiometer, includes the big lid of locating the bottom, big lid surface front end is equipped with the pinion shaft, pinion shaft coupling is in the pinion middle part, pinion surface engagement has the gear wheel, gear wheel surface is equipped with the magnet steel, and the back is equipped with the big gear shaft of being connected with big lid body, magnet steel upper portion lid is equipped with the circuit board, the circuit board surface is equipped with the little lid of protecting its surface, the circuit board inboard is equipped with the hall chip.
Preferably, the large gear shaft is arranged at the rear end of the surface of the large cover body.
Preferably, the large gear is arranged in the sensor shell, and the sensor shell and the large cover body are integrated through ultrasonic plastic melting.
Preferably, the sensor housing surface is provided with a connector connected to the circuit board via a wire.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the big and small gears are arranged in the sensor shell, the magnetic steel on the surface of the big gear scans the Hall chip, one circle of rotation of the big gear is converted into a plurality of circles of rotation of the pinion, namely, a single circle of Hall chip is converted into a plurality of circles of pinion, so that the resolution ratio of the Hall chip is improved, and the purpose of accurate control is achieved; the whole potentiometer adopts a Hall chip to induce magnetic flux change, replaces the conventional contact type, and improves the precision of the potentiometer; a plurality of components are arranged in the sensor shell, so that the installation is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of the present utility model;
fig. 3 is a top view of the present utility model.
In the figure: 1. a large cover; 2. a pinion shaft; 3. a pinion gear; 4. a large gear; 5. magnetic steel; 6. a large gear shaft; 7. a circuit board; 8. a small cover body; 9. a Hall chip; 10. a sensor housing; 11. a connector.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, a hall potentiometer comprises a large cover body 1 arranged at the bottom, a pinion shaft 2 is arranged at the front end of the surface of the large cover body 1, the pinion shaft 2 is connected to the middle of a pinion 3, the pinion 4 is meshed with the surface of the pinion 3, magnetic steel 5 is arranged on the surface of the pinion 4, a large gear shaft 6 connected with the large cover body 1 is arranged at the back of the large gear shaft 6, a circuit board 7 is arranged on the upper cover of the magnetic steel 5, a small cover body 8 for protecting the surface of the circuit board 7 is arranged on the surface of the circuit board 7, and a hall chip 9 is arranged on the inner side of the circuit board 7.
The large gear 4 is arranged in the sensor shell 10, the sensor shell 10 and the large cover body 1 are integrated through ultrasonic plastic melting, and a connector 11 connected with the circuit board 7 through a wire is arranged on the surface of the sensor shell 10. The sensor housing 10 is used to house a plurality of components and protect the internal components.
When the utility model works, the magnetic steel 5 on the surface of the large gear 4 scans the Hall chip 9, one circle of rotation of the large gear 4 is converted into a plurality of circles of rotation of the small gear 3, namely, a single circle of Hall chip 9 is converted into a plurality of circles of small gears 3, thereby improving the resolution of the Hall chip 9 and achieving the purpose of accurate control.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a hall potentiometer, includes the big lid of locating the bottom, its characterized in that: the front end of the surface of the large cover body is provided with a pinion shaft, the pinion shaft is connected to the middle of the pinion, the surface of the pinion is meshed with a large gear, the surface of the large gear is provided with magnetic steel, the back of the large gear is provided with a large gear shaft connected with the large cover body, the upper cover of the magnetic steel is provided with a circuit board, the surface of the circuit board is provided with a small cover body for protecting the surface of the circuit board, and the inner side of the circuit board is provided with a Hall chip.
2. The hall potentiometer according to claim 1, wherein: the large gear shaft is arranged at the rear end of the surface of the large cover body.
3. The hall potentiometer according to claim 1, wherein: the large gear is arranged in the sensor shell, and the sensor shell and the large cover body are integrated through ultrasonic plastic melting.
4. A hall potentiometer according to claim 3, wherein: the sensor shell surface is provided with a connector connected with the circuit board through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321442669.7U CN220120113U (en) | 2023-06-07 | 2023-06-07 | Hall potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321442669.7U CN220120113U (en) | 2023-06-07 | 2023-06-07 | Hall potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220120113U true CN220120113U (en) | 2023-12-01 |
Family
ID=88892040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321442669.7U Active CN220120113U (en) | 2023-06-07 | 2023-06-07 | Hall potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220120113U (en) |
-
2023
- 2023-06-07 CN CN202321442669.7U patent/CN220120113U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |