CN212373487U - Steering wheel corner sensor of crimping formula circuit board - Google Patents
Steering wheel corner sensor of crimping formula circuit board Download PDFInfo
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- CN212373487U CN212373487U CN201922475578.3U CN201922475578U CN212373487U CN 212373487 U CN212373487 U CN 212373487U CN 201922475578 U CN201922475578 U CN 201922475578U CN 212373487 U CN212373487 U CN 212373487U
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- circuit board
- steering wheel
- press
- angle sensor
- cover body
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Abstract
The utility model relates to an intelligent vehicle drives technical field, concretely relates to steering wheel corner sensor of crimping formula circuit board, include: a housing for holding a drive wheel and a pinion, said drive wheel and said pinion being in mesh with each other; the cover body is provided with a connector, the cover body is matched with the shell body through a buckle, and a plurality of fisheye terminals are injected and molded in the cover body and are provided with a plurality of positioning columns; the circuit board is provided with a plurality of components and parts and is positioned on the cover body through the positioning columns; and the Hall sensor is arranged on the circuit board. The utility model adopts the fisheye terminal crimping process to replace the traditional tin soldering process, solves the connection problem of the steering wheel corner sensor circuit board and the connector terminal, and improves the dustproof capacity of the product; and the cost of raw materials of the product is reduced, the performance is excellent, the production tact is greatly reduced, and the quality is stable and reliable.
Description
Technical Field
The utility model relates to an intelligent vehicle drives technical field, especially relates to a steering wheel corner sensor of crimping formula circuit board.
Background
With the development of the automobile industry intelligence and the automatic driving technology, more and more electronic systems need to input signals such as the rotation angle and the rotation angular velocity of a steering wheel, for example, an electronic stability control system, an adaptive cruise control system, and the like. The steering wheel angle sensor records signals through rotation of a rotating shaft, the signals are transmitted to a corresponding control system to achieve control of an automobile, the steering wheel angle sensor is an important component of an automobile dynamics stabilizing system, accuracy and stability of the steering wheel angle sensor are directly related to driving safety, and terminals of the steering wheel angle sensor on the market are connected with a PCB-A (Printed Circuit Board + Assembly) through processes of surface mounting, plug-in and testing and the like of a PCB blank Board to form a finished product, namely the PCB-A for short) by adopting a soldering process. Manual electric soldering iron welding, automatic electric soldering iron welding and wave soldering are generally adopted for soldering, the terminals are assembled on the PCB-A by means of a positioning device in the manual welding or the automatic welding, and then the terminals are welded point by using the electric soldering iron; wave soldering is to dissolve tin bars into liquid state through a tin bath, and to form waves by stirring of a motor, so that the PCB-A is welded with the assembled terminals, and the terminals are connected with the PCB-A.
The traditional soldering process is complex, one soldering process is low in working efficiency, and automatic production is difficult to realize; the quality of the two-tin soldering is not easy to monitor, and the risks of insufficient soldering broken circuit and over soldering short circuit are easy to generate; the high temperature of three-tin soldering can damage the components and the substrate on the PCB, and generate defects such as welding cracks, welding flux residues and the like.
The dustproof capacity of a steering wheel angle sensor can be reduced by a traditional soldering process, the upper cover of the sensor is assembled as a whole after the terminal is welded with the PCB-A, a hole for mounting the terminal is reserved in the upper cover of the sensor, the position degree of the terminal is difficult to guarantee due to the accumulated assembly tolerance of the terminal and a shell hole during assembly, and fine particles enter the sensor to damage components and parts due to the clearance fit assembly.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a steering wheel corner sensor of crimping formula circuit board.
The utility model provides a technical problem can adopt following technical scheme to realize:
a steering wheel angle sensor of a press-fit type wiring board, comprising:
a housing for holding a drive wheel and a pinion, said drive wheel and said pinion being in mesh with each other;
the cover body is provided with a connector, the cover body is matched with the shell body through a buckle, and a plurality of fisheye terminals are injected and molded in the cover body and are provided with a plurality of positioning columns;
the circuit board is provided with a plurality of components and parts and is positioned on the cover body through the positioning columns;
and the Hall sensor is arranged on the circuit board.
Preferably, the driving wheel is fixed to a steering column and rotates with the steering column.
Preferably, the pinion comprises at least a first and a second pinion, the first and second pinions being in respective intermeshing relationship with the drive wheel.
Preferably, injection molding magnets are arranged on the first pinion and the second pinion, and the injection molding magnets are arranged right above the first pinion and the second pinion.
Preferably, the circuit board is crimped with the cover by a crimping device.
Preferably, the driving wheel performs limiting rotation through a sliding groove in the shell and a limiting body in the cover body.
Preferably, the circuit board is provided with a number of crimping holes corresponding to the number of the fisheye terminals, and the fisheye terminals are arranged on the circuit board and located in the middle of the circuit board through the crimping holes.
Preferably, the hall sensor at least comprises a first hall sensor and a second hall sensor, the first hall sensor is arranged at the left end of the circuit board, and the second hall sensor is arranged at the right end of the first hall sensor.
Preferably, the housing, the cover, the driving wheel and the pinion are all made of plastic.
Preferably, the fisheye terminal is a connector in which a crimp end of a connector terminal is designed in a fisheye shape.
The beneficial effects are that: the utility model discloses a technology of traditional soldering is replaced to the technology of fisheye terminal crimping, solves steering wheel corner sensor circuit board and connector terminal connection problem, improves the dustproof ability of product simultaneously.
Drawings
Fig. 1 is a structural diagram of a steering wheel angle sensor of a crimping type circuit board provided by the present invention;
fig. 2 is a structural diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Referring to fig. 1-2, for the utility model discloses a steering wheel corner sensor structure chart of crimping formula circuit board, include:
a housing 1 for fixing a driving wheel 2 and a pinion 4, the driving wheel 2 and the pinion 4 being engaged with each other;
a cover body 5, a connector is arranged on the cover body 5, the cover body 5 is matched with the shell body 1 through a buckle, a plurality of fisheye terminals 8 are injected and molded in the cover body 5, and a plurality of positioning columns are arranged;
the circuit board 7 is provided with a plurality of components, and the circuit board 7 is positioned on the cover body 1 through the positioning columns;
and the Hall sensor 6 is arranged on the circuit board 7.
Further, the driving wheel 2 is fixed to a steering column and rotates as the steering column rotates.
Further, the pinion 4 comprises at least a first and a second pinion, which are in mesh with the driving wheel 2, respectively.
Further, all be equipped with injection moulding magnetism 3 on first pinion and the second pinion, 3 devices of the magnetism of moulding plastics are directly over first pinion and second pinion.
Further, the circuit board 7 is press-contacted with the cover 1 by a press-contacting device.
Specifically, fisheye terminal 8 moulds plastics in lid 5, places lid 5 back on crimping equipment's frock, and circuit board 7 is fixed a position on lid 5 through four reference columns on the lid 5, and the crimping equipment of having set up the parameter carries out automatic crimping.
Further, the driving wheel 2 performs limited rotation through a sliding groove in the housing 1 and a limiting body in the cover 5.
Specifically, the driving wheel 2 carries out limiting rotation through the sliding groove of the shell 1 and the limiting body of the cover body 5, the two auxiliary gears 4 are meshed with the driving wheel 2, the driving wheel 2 is matched and fixed with the steering column of the steering wheel and rotates along with the rotation of the steering column of the steering wheel, and the driving wheel 2 rotates to drive the auxiliary gears 4 to rotate.
Furthermore, the circuit board 7 is provided with a number of crimping holes corresponding to the number of the fisheye terminals 8, and the fisheye terminals 8 are arranged on the circuit board 7 through the crimping holes and located in the middle of the circuit board 7.
Specifically, four crimping holes for crimping are reserved in the circuit board 7, the fisheye terminal is crimped on the circuit board 7 through the 8 crimping holes, the process of traditional tin soldering is replaced by the process of 8 crimping of the fisheye terminal, the problem of connection between the circuit board 7 of the steering wheel corner sensor and the connector terminal is solved, and meanwhile the dustproof capacity of a product is improved.
Further, the hall sensor 6 at least comprises a first hall sensor and a second hall sensor, the first hall sensor is arranged at the left end of the circuit board 7, and the second hall sensor is arranged at the right end of the first hall sensor 8.
Specifically, the circuit board 7 can calculate the absolute rotation angle value of the steering wheel through signals transmitted by the two hall sensors 6, and transmit the absolute rotation angle value of the steering wheel to the automobile control system, so that the purpose of controlling the stability of the automobile is achieved.
Further, the case 1, the lid 5, the driving wheel 2, and the pinion 3 are all made of plastic.
Further, the fisheye terminal 8 is a connector in which a crimping end of a connector terminal is designed in a fisheye shape.
Specifically, firstly, the crimping end of the connector terminal is designed into a fisheye shape, a terminal crimping hole is arranged on the circuit board 7, and the fisheye-shaped connector terminal and the crimping hole are designed to be mutually matched and connected; secondly, the fisheye-shaped connector terminal is integrally molded in the cover body 5 as an insert to form a cover body 5 assembly containing the terminal; finally, the circuit board 7 and the cover 5 assembly are pressed and connected through a pressing and connecting process.
To sum up, the utility model adopts the technique of fish eye terminal 8 crimping to replace the technique of traditional tin soldering, solves the connection problem of the steering wheel corner sensor circuit board 7 and the connector terminal, and improves the dustproof capability of the product; and the cost of raw materials of the product is reduced, the performance is excellent, the production tact is greatly reduced, and the quality is stable and reliable.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. A steering wheel angle sensor of crimping formula circuit board which characterized in that includes:
a housing for holding a drive wheel and a pinion, said drive wheel and said pinion being in mesh with each other;
the cover body is provided with a connector, the cover body is matched with the shell body through a buckle, and a plurality of fisheye terminals are injected and molded in the cover body and are provided with a plurality of positioning columns;
the circuit board is provided with a plurality of components and parts and is positioned on the cover body through the positioning columns;
and the Hall sensor is arranged on the circuit board.
2. The steering wheel angle sensor of claim 1, wherein the driving wheel is fixed to a steering column and rotates with the steering column.
3. The steering wheel angle sensor of a press-fit type circuit board according to claim 1, wherein the pinion gear includes at least a first pinion gear and a second pinion gear, and the first pinion gear and the second pinion gear are respectively engaged with the driving wheel.
4. The steering wheel angle sensor of the press-fit type circuit board according to claim 3, wherein the first and second pinions are provided with injection magnets, and the injection magnets are arranged right above the first and second pinions.
5. The steering wheel angle sensor of a press-fit type circuit board according to claim 1, wherein the circuit board is press-fitted with the cover by a press-fitting device.
6. The steering wheel angle sensor of claim 1, wherein the driving wheel is rotatably limited by a sliding groove in the housing and a limiting body in the cover.
7. The steering wheel angle sensor of claim 1, wherein the circuit board has a number of press-connection holes corresponding to the number of the fisheye terminals, and the fisheye terminals are mounted on the circuit board through the press-connection holes and located in the middle of the circuit board.
8. The steering wheel angle sensor of claim 1, wherein the hall sensor comprises at least a first hall sensor and a second hall sensor, the first hall sensor is disposed at the left end of the circuit board, and the second hall sensor is disposed at the right end of the first hall sensor.
9. The steering wheel angle sensor of a press-fit circuit board according to claim 1, wherein the housing, the cover, the driving wheel and the pinion are all made of plastic.
10. The steering wheel angle sensor of a press-fit type circuit board according to claim 1, wherein the fisheye terminal is a connector in which a press-fit end of a connector terminal is designed in a fisheye shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922475578.3U CN212373487U (en) | 2019-12-31 | 2019-12-31 | Steering wheel corner sensor of crimping formula circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922475578.3U CN212373487U (en) | 2019-12-31 | 2019-12-31 | Steering wheel corner sensor of crimping formula circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212373487U true CN212373487U (en) | 2021-01-19 |
Family
ID=74157620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922475578.3U Active CN212373487U (en) | 2019-12-31 | 2019-12-31 | Steering wheel corner sensor of crimping formula circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212373487U (en) |
-
2019
- 2019-12-31 CN CN201922475578.3U patent/CN212373487U/en active Active
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