CN217470374U - PCB grounding structure of vehicle-mounted electric equipment - Google Patents
PCB grounding structure of vehicle-mounted electric equipment Download PDFInfo
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- CN217470374U CN217470374U CN202221341905.1U CN202221341905U CN217470374U CN 217470374 U CN217470374 U CN 217470374U CN 202221341905 U CN202221341905 U CN 202221341905U CN 217470374 U CN217470374 U CN 217470374U
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Abstract
The utility model discloses a PCB grounding structure of vehicle-mounted electric equipment, which comprises a PCB, wherein a grounding port is arranged on the PCB; the grounding PIN is provided with a PIN PIN, a connecting block and a grounding sleeve, and the PIN PIN is inserted into the grounding port; the metal sleeve is sleeved on the grounding sleeve; and the plastic shell covers the PCB, the grounding PIN and the metal sleeve. The utility model discloses a be equipped with ground connection PIN needle, PIN needle through ground connection PIN needle is participated in and is connected PCB board and metal sleeve respectively with the ground connection sleeve, forms the installation hole site in metal sleeve department after the plastics shell lid closes, installs the sensor on the metal crate of car through the installation hole site of ground connection sleeve position department, has both accomplished the installation of sensor, accomplishes the ground connection of sensor again, does not need additionally to set up connector or pencil, has the advantage that stability is good, simple to operate and low in production cost.
Description
Technical Field
The utility model relates to a car earthing device's technical field especially relates to a PCB board ground structure of on-vehicle consumer.
Background
Because the motor or the motor of the automobile can generate certain electromagnetic radiation in the process of high-speed rotation, electromagnetic interference can be caused to electric equipment in the automobile, and particularly to a sensor for detecting the speed of the motor or the motor.
At present, the common sensor grounding mode is mainly connected through a connector or a wire harness, the connection mode needs to occupy a large space on a PCB of the sensor, and the connector or the wire harness needs to be matched with a mounting interface, so that the sensor grounding mode has the defects of poor stability, inconvenience in mounting and high production cost.
In view of this, the present inventors have made extensive conception in view of many defects and inconveniences caused by the imperfect design of the grounding structure of the electric devices in the automobile, and have actively studied, improved and tried on the ground structure to develop and design the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a PCB board ground structure of on-vehicle consumer that stability is good, simple to operate and low in production cost.
In order to achieve the above purpose, the solution of the present invention is:
on-vehicle consumer's PCB board ground structure, ground structure includes
The PCB is provided with a grounding port;
the grounding PIN is provided with a PIN PIN plug, a connecting block and a grounding sleeve, two ends of the connecting block are respectively connected with the PIN PIN plug and the grounding sleeve, and the PIN PIN plug is inserted into the grounding port;
the metal sleeve is sleeved on the grounding sleeve;
and the plastic shell covers the PCB, the grounding PIN and the metal sleeve, and a mounting hole position is formed at the metal sleeve.
The PIN is characterized in that a fisheye terminal is arranged at the end part of the PIN, and the PIN is inserted into the ground port through the fisheye terminal.
And the middle part of the PIN PIN is provided with a limiting block.
One end of the limiting block, which is far away from the PCB, is provided with a calibration table board.
The connecting block is Z-shaped.
The plastic shell is formed on the PCB, the grounding PIN and the metal sleeve by injection molding and encapsulation of an injection mold.
After the scheme is adopted, the utility model discloses a be equipped with ground connection PIN needle, PIN needle through ground connection PIN needle is participated in and is connected PCB board and metal sleeve respectively with ground sleeve, forms the installation hole site in metal sleeve department after the plastics shell lid closes, installs the sensor on the metal crate of car through the installation hole site of ground sleeve position department, has both accomplished the installation of sensor, accomplishes the ground connection of sensor again, need not additionally set up connector or pencil, has stable good, simple to operate and low in production cost's advantage.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a schematic view of a connection structure between a PCB board and a ground PIN according to a preferred embodiment of the present invention.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to fig. 2, a preferred embodiment of a PCB grounding structure of a vehicle-mounted electric device according to the present invention includes a PCB 1, and a grounding port 11 is disposed on the PCB 1; the grounding PIN 2 is provided with a PIN 21, a connecting block 22 and a grounding sleeve 23, two ends of the connecting block 22 are respectively connected with the PIN 21 and the grounding sleeve 23, and the PIN 21 is inserted into the grounding port 11; the metal sleeve 3 is sleeved on the grounding sleeve 23; and the plastic shell 4 is covered on the PCB board 1, the grounding PIN 2 and the metal sleeve 3, and a mounting hole position 5 is formed at the metal sleeve 3.
During installation, the PIN PIN 21 of the grounding PIN 2 is inserted into the grounding port 11, then the metal sleeve 3 is sleeved on the grounding sleeve 23, and then the plastic shell 4 is covered to complete installation of the sensor grounding structure; and then, the sensor is installed on a metal frame of the automobile through the installation hole position 5 at the position of the grounding sleeve 23, so that the installation of the sensor and the grounding connection of the sensor are finished.
In this embodiment, the grounding sleeve and the metal sleeve are for adapting a metal frame structure of an automobile for mounting the sensor, i.e. the metal frame structure of the automobile may be inserted in the metal sleeve. When the metal frame of other electric equipment is not installed in an inserting manner, such as pressing connection, the grounding sleeve and the metal sleeve can be changed into a sheet form, and are not necessarily arranged into a tubular form, the grounding sleeve and the metal sleeve in the sheet form only need to be contacted and conducted, the shape of the grounding sleeve and the metal sleeve is determined according to the installation environment, and the part is suitable changes and modifications which can be made to the grounding sleeve and the metal sleeve and are well known to those skilled in the art, and all the parts are regarded as not departing from the patent scope of the present invention.
The utility model discloses a focus on, the utility model discloses a be equipped with ground connection PIN needle 2, PIN needle through ground connection PIN needle 2 participates in 21 and ground connection sleeve 23 and connects PCB board 1 and metal sleeve 3 respectively, 4 lids of plastic casing form installation hole site 5 in metal sleeve department after closing, install the sensor on the metal frame of car through the installation hole site 5 of ground connection sleeve 23 position department, both accomplished the installation of sensor, accomplish the ground connection of sensor again, need not additionally set up connector or pencil, it is good to have stability, simple to operate and low in production cost's advantage.
The PIN PINs 21 are provided at ends thereof with fisheye terminals 211, and the PIN PINs 21 are inserted into the ground port 11 through the fisheye terminals 211. During installation, the fisheye terminal 211 of the PIN 21 can be pressed into the grounding port 11 in a crimping mode, so that the grounding PIN 2 can be prevented from falling off from the PCB 1.
The middle part of the PIN 21 is provided with a limit block 212. In this way, the limiting block 212 can limit the depth of the PIN 21 inserted into the ground port 11, and simultaneously limit the installation height of the grounding sleeve 23, so that the grounding sleeve 23 is located at the set position to reduce the height and installation space of the grounding structure.
The end of the limiting block 212 far away from the PCB board 1 is provided with a calibration table 213. The PCB board 1 of the sensor usually has a plurality of ground ports 11, when mounting, a plurality of ground PIN PINs 2 need to be mounted, and the mounting height of the plurality of ground PIN PINs 2 must be kept uniform precision. Therefore, the limiting block 212 is provided with the calibration table 213, when a plurality of grounding PIN 2 are installed, an installation jig can be used for calibrating the installation height of the grounding PIN 2 through the calibration table 213 at one time, and the uniform precision requirement is kept.
The connecting block 22 is in a zigzag shape. The Z-shaped connecting block 22 enables the installation height of the grounding sleeve 23 to be close to the PCB 1, so that a thin sensor is formed, and the height and the installation space of the grounding structure are further reduced.
The plastic shell 4 is formed on the PCB 1, the grounding PIN 2 and the metal sleeve 3 by injection molding and encapsulation of an injection mold. Therefore, the connection of the whole grounding structure is firm and stable; and, through the mode of injection mold rubber coating shaping of moulding plastics, need not artifical manual installation to easily realize the automated production of sensor product, improve production efficiency.
The foregoing description of the specific exemplary embodiments of the invention has been presented for the purposes of illustration and description and is not intended to limit the invention to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application, to thereby enable others skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as may be suited to the particular use contemplated and contemplated by those skilled in the art without departing from the scope of the invention.
Claims (6)
1. The utility model provides a PCB board ground structure of on-vehicle consumer which characterized in that: the grounding structure comprises
The PCB is provided with a grounding port;
the grounding PIN is provided with a PIN plug PIN, a connecting block and a grounding sleeve, two ends of the connecting block are respectively connected with the PIN plug PIN and the grounding sleeve, and the PIN plug PIN is inserted into the grounding port;
the metal sleeve is sleeved on the grounding sleeve;
and the plastic shell covers the PCB, the grounding PIN and the metal sleeve, and a mounting hole position is formed at the metal sleeve.
2. The PCB grounding structure of the vehicle-mounted electric device according to claim 1, wherein: the PIN is characterized in that a fisheye terminal is arranged at the end part of the PIN, and the PIN is inserted into the ground port through the fisheye terminal.
3. The PCB grounding structure of the vehicle-mounted electric device according to claim 1, wherein: and the middle part of the PIN PIN is provided with a limiting block.
4. The PCB grounding structure of the vehicle-mounted electric device according to claim 3, wherein: one end of the limiting block, which is far away from the PCB, is provided with a calibration table board.
5. The PCB grounding structure of the vehicle-mounted electric device according to claim 1, wherein: the connecting block is Z-shaped.
6. The PCB grounding structure of the vehicle-mounted electric device according to claim 1, wherein: the plastic shell is formed on the PCB, the grounding PIN and the metal sleeve by injection molding and encapsulation of an injection mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221341905.1U CN217470374U (en) | 2022-05-31 | 2022-05-31 | PCB grounding structure of vehicle-mounted electric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221341905.1U CN217470374U (en) | 2022-05-31 | 2022-05-31 | PCB grounding structure of vehicle-mounted electric equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217470374U true CN217470374U (en) | 2022-09-20 |
Family
ID=83278395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221341905.1U Active CN217470374U (en) | 2022-05-31 | 2022-05-31 | PCB grounding structure of vehicle-mounted electric equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217470374U (en) |
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2022
- 2022-05-31 CN CN202221341905.1U patent/CN217470374U/en active Active
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