CN210321598U - Angle sensor for AMT automatic gear shifting mechanism - Google Patents
Angle sensor for AMT automatic gear shifting mechanism Download PDFInfo
- Publication number
- CN210321598U CN210321598U CN201921339399.0U CN201921339399U CN210321598U CN 210321598 U CN210321598 U CN 210321598U CN 201921339399 U CN201921339399 U CN 201921339399U CN 210321598 U CN210321598 U CN 210321598U
- Authority
- CN
- China
- Prior art keywords
- rotor
- amt
- gear shifting
- shifting mechanism
- circuit board
- 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.)
- Active
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to an angle sensor for an AMT automatic gear shifting mechanism, which belongs to an angle sensor and comprises a body, wherein one end of the body is provided with a plug for plugging the AMT gear shifting mechanism, the other end is provided with a relative circuit board and a rotor, the circuit board is provided with a Hall chip, the front end of the rotor is provided with a permanent magnet, the periphery of the rotor is sleeved with a torsion spring, the rear end of the rotor is connected with a transmission shaft of the AMT gear shifting mechanism, after the transmission shaft drives the rotor to rotate, the permanent magnet rotates to form a change of a magnetic field, the Hall chip induces the change of the magnetic field to cause the change of Hall voltage, the Hall chip transmits a voltage signal to the AMT gear shifting mechanism, and the linear characteristic curve corresponding to the angular rotation of the rotor is obtained after the voltage signal is processed, the angle change of the rotor is measured according to the Hall reaction principle, and the torsion spring is added, so that the measurement accuracy is greatly improved.
Description
Technical Field
The utility model relates to an angle sensor, in particular to an angle sensor for AMT automatic gear shifting mechanism.
Background
An AMT gearbox is provided with a set of electronic control hydraulic control system on a common manual gearbox and a clutch so as to achieve the purpose of automatically switching gears. The AMT system can automatically select the optimal gear shifting time, so that the error use of an engine, a clutch and a gearbox is eliminated, the gear shifting is avoided, and the point is very important to the reliability of the whole vehicle. The AMT gearbox is in three novel automatic gearboxes, and the technical difficulty and the cost are relatively low.
However, in the conventional AMT system, the timing of shifting the transmission is not very accurate, and the structural design of the shifting mechanism is complex and the cost is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's defect, the utility model provides an angle sensor for AMT automatic gear shifting mechanism through this internal relative circuit board and the rotor of setting up, welding hall chip on the circuit board, the rotor corresponds installs the permanent magnet, drives the permanent magnet through the rotor and rotates, arouses hall voltage to change, and output voltage signal handles into linear characteristic curve through AMT gearshift, realizes the measurement of the accurate rotation angle of rotor.
The technical scheme for realizing the purpose is as follows:
the utility model provides an angle sensor for AMT automatic gear shifting mechanism, which comprises a body, wherein one end of the body is provided with a plug for plugging an AMT gear shifting mechanism, and the other end is provided with a first cavity and a second cavity which are separated by a plastic plate;
a circuit board is arranged in the first cavity and fixedly connected to the plastic plate through a plurality of positioning columns, a Hall chip is welded on one side of the circuit board close to the plastic plate, a sealing cover is arranged at an opening of the first cavity and used for sealing the first cavity, and the circuit board is electrically connected with the AMT gear shifting mechanism;
a rotor is arranged in the second cavity, a permanent magnet which is over against the Hall chip is arranged at the front end of the rotor close to the circuit board and rotates along with the rotor, thereby generating the change of the magnetic field and further causing the change of the Hall voltage, the distance between the permanent magnet and the Hall chip is 3.3-4.3mm, the rotation of the permanent magnet is always in the induction range of the Hall chip, the front end is sleeved with a torsion spring, one end of the torsion spring is fixedly connected with the rotor, the other end of the rotor is fixedly connected with the body and used for limiting the rotation angle of the rotor, the rotor is provided with a rear end opposite to the front end, the rear end is connected with a transmission shaft of the AMT gear shifting mechanism to provide power for rotating the rotor, and a limiting sleeve is embedded at the opening of the second cavity and sleeved on the rotor.
Furthermore, the circuit board is inserted with a contact pin, the contact pin is electrically connected to the AMT gear shifting mechanism through the plug, and the Hall chip outputs a voltage signal to the AMT gear shifting mechanism through the circuit board and the contact pin after sensing the voltage signal, so that the voltage signal is processed into a linear characteristic curve, and the angle rotation data of the rotor is calibrated.
Furthermore, epoxy glue is filled and sealed in the first cavity, after the circuit board and the Hall chip are installed, the first cavity is further sealed through the epoxy glue, and the Hall chip, the circuit board and other internal electronic devices are protected and protected from corrosion.
Furthermore, the positioning column, the sealing cover and the limiting sleeve are all made of plastic materials.
Further, the distance between the permanent magnet and the Hall chip is 3.8 mm.
Has the advantages that: compared with the prior art, the utility model is different in that the utility model provides an AMT automatic gear shifting angle sensor, which comprises a body, one end of the body is provided with a plug for plugging an AMT gear shifting mechanism, the other end is provided with a relative circuit board and a rotor, the circuit board is provided with a Hall chip, the front end of the rotor is provided with a permanent magnet, the periphery of the rotor is sheathed with a torsion spring, the rear end of the rotor is connected with a transmission shaft of the AMT gear shifting mechanism, after the transmission shaft drives the rotor to rotate, the permanent magnet rotates to form a change of a magnetic field, the Hall chip induces the change of the Hall voltage after sensing the change of the magnetic field, the Hall chip outputs a millivolt-level voltage signal through the circuit board and a contact pin, a linear characteristic curve corresponding to the rotation of the rotor angle is obtained through the processing of the AMT gear shifting mechanism, the change, the measurement accuracy is greatly improved; in addition, the invention has simple structure and design, and is easy to disassemble, assemble, repair and maintain.
Drawings
Fig. 1 is a front sectional view of an angle sensor for an AMT automatic shift mechanism.
The novel plug comprises a body 10, a plug 11, a plastic plate 12, a first cavity 20, a circuit board 21, a 211-contact pin 22, a positioning column 23, a sealing cover 30, a second cavity 31, a rotor 32, a permanent magnet 33, a torsion spring 34, a rear end and a limiting sleeve 35.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, the present invention provides an angle sensor for an AMT automatic gearshift, which comprises a body 10, wherein one end of the body 10 is provided with a plug 11 for plugging an AMT gearshift, and the other end thereof is provided with a first cavity 20 and a second cavity 30 separated by a plastic plate 12;
a circuit board 21 is arranged in the first cavity 20, the circuit board 21 is fixedly connected to the plastic plate 12 through four positioning columns 22, a hall chip is welded on one side of the circuit board 21 close to the plastic plate 12, a sealing cover 23 is arranged at an opening of the first cavity 20 and used for sealing the first cavity 20, and the circuit board 21 is electrically connected with the AMT gear shifting mechanism;
a rotor 31 is arranged in the second cavity 30, a permanent magnet 32 facing the hall chip is mounted at a front end of the rotor 31 close to the circuit board 21, the permanent magnet 32 rotates along with the rotor 31 to generate a change of a magnetic field, so as to cause a change of a hall voltage, a distance between the permanent magnet 32 and the hall chip is 3.8mm, 4mm or 3.6mm, so that the permanent magnet 32 rotates in an induction range of the hall chip all the time, a torsion spring 33 is sleeved at the front end, one end of the torsion spring 33 is fixedly connected to the rotor 31, the other end of the torsion spring 33 is fixedly connected to the body 10 to limit a rotation angle of the rotor 31, so that the rotation angle of the rotor 31 can be kept in a certain range all the time in a measurement range, the rotor 31 has a rear end 34 opposite to the front end, and the rear end 34 is connected to a transmission shaft of the AMT shift mechanism, the rotor 31 is provided with rotating power, a limiting sleeve 35 is embedded in the opening of the second cavity 30, and the rotor 31 is sleeved with the limiting sleeve 35.
Preferably, the circuit board 21 is inserted with a pin 211, the pin 211 is electrically connected to the AMT shift mechanism through the plug 11, and after sensing a voltage signal, the hall chip outputs the voltage signal to the AMT shift mechanism through the circuit board 21 and the pin 211, and further processes the voltage signal into a linear characteristic curve, so as to calibrate the angular rotation data of the rotor 31.
Preferably, epoxy glue is filled and sealed in the first cavity 20, after the circuit board 21 and the hall chip are mounted, the first cavity 20 is further sealed by the epoxy glue, and the hall chip, the circuit board 21 and other internal electronic devices are protected and protected from corrosion.
Preferably, the positioning column 22, the sealing cover 23 and the limiting sleeve 35 are all made of plastic materials.
It should be noted that the terms "first and second" in the present invention are used for descriptive purposes only, do not denote any order, are not to be construed as indicating or implying any relative importance, and are to be interpreted as names.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (5)
1. The utility model provides an angle sensor for AMT automatic gear shifting mechanism which characterized in that:
the AMT gear shifting device comprises a body, wherein one end of the body is provided with a plug for inserting an AMT gear shifting mechanism, and the other end of the body is provided with a first cavity and a second cavity which are separated by a plastic plate;
a circuit board is arranged in the first cavity and fixedly connected to the plastic plate through a plurality of positioning columns, a Hall chip is welded on one side of the circuit board close to the plastic plate, a sealing cover is arranged at an opening of the first cavity, and the circuit board is electrically connected with the AMT gear shifting mechanism;
the improved AMT gear shifting mechanism is characterized in that a rotor is arranged in the second cavity, a permanent magnet which is opposite to the Hall chip is installed at the front end of the rotor close to the circuit board, the distance between the permanent magnet and the Hall chip is 3.3-4.3mm, a torsion spring is arranged on the front end sleeve, one end of the torsion spring is fixedly connected to the rotor, the other end of the torsion spring is fixedly connected to the body, the rotor is provided with a rear end opposite to the front end, the rear end is connected with a transmission shaft of the AMT gear shifting mechanism, a limiting sleeve is embedded at the opening of the second cavity, and the limiting sleeve is arranged on the rotor.
2. The angle sensor for an AMT automatic shift mechanism according to claim 1, characterized in that:
the circuit board is inserted with a contact pin, and the contact pin is electrically connected with the AMT gear shifting mechanism through the plug.
3. The angle sensor for an AMT automatic shift mechanism according to claim 1, characterized in that:
epoxy glue is filled and sealed in the first cavity.
4. The angle sensor for an AMT automatic shift mechanism according to claim 1, characterized in that:
the positioning column, the sealing cover and the limiting sleeve are all made of plastic materials.
5. The angle sensor for an AMT automatic shift mechanism according to claim 1, characterized in that:
the distance between the permanent magnet and the Hall chip is 3.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339399.0U CN210321598U (en) | 2019-08-19 | 2019-08-19 | Angle sensor for AMT automatic gear shifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339399.0U CN210321598U (en) | 2019-08-19 | 2019-08-19 | Angle sensor for AMT automatic gear shifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210321598U true CN210321598U (en) | 2020-04-14 |
Family
ID=70130305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921339399.0U Active CN210321598U (en) | 2019-08-19 | 2019-08-19 | Angle sensor for AMT automatic gear shifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210321598U (en) |
-
2019
- 2019-08-19 CN CN201921339399.0U patent/CN210321598U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5680962B2 (en) | Non-contact multi-turn absolute position magnetic sensor | |
| US20110227568A1 (en) | Hall effect measuring device | |
| CN101706250A (en) | Absolute intersection angle measuring device with large scale and high accuracy | |
| CN104198098A (en) | Torque measurement sensor based on phase difference of photoelectric encoder signals and measuring method | |
| CN210321598U (en) | Angle sensor for AMT automatic gear shifting mechanism | |
| US20080204006A1 (en) | Linear position sensor | |
| CN103512638B (en) | Liquid level sensor and measuring method thereof | |
| CN202814504U (en) | Oil level sensor based on magnetoresistive effect | |
| CN104990597A (en) | Magnetic pulse electronic water meter | |
| CN2864613Y (en) | Water meter apparatus for weigen sensor | |
| CN208187419U (en) | A kind of multi-turn absolute value encoder | |
| CN102435767A (en) | Integrated anemoclinograph | |
| CN203551045U (en) | Liquid level sensor | |
| CN203785727U (en) | Intelligent water meter and counting device thereof | |
| CN201503299U (en) | Analog signal output type oil level gauge for oil conservator of transformer | |
| CN202837318U (en) | Engine rotating speed measuring device based on magnetic encoder | |
| CN105823412B (en) | Contactless rotary angle transmitter | |
| CN201522288U (en) | Device for measuring multiturn absolute angle of rotator | |
| CN102809398B (en) | Vacuum wet type photoelectric direct reading remote transmission water meter | |
| CN101281048A (en) | Electronic type rotary-piston flowmeter | |
| CN203560418U (en) | Vehicle shift mechanism | |
| CN220120113U (en) | Hall potentiometer | |
| CN207457267U (en) | A kind of transmission output shaft velocity sensor | |
| CN201081752Y (en) | Magnetic damp dry counter for water meter | |
| CN207717800U (en) | A kind of two-way, which tests the speed, to be sentenced to sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |