CN215834449U - Car feel keyless entry switch assembly - Google Patents
Car feel keyless entry switch assembly Download PDFInfo
- Publication number
- CN215834449U CN215834449U CN202121536481.XU CN202121536481U CN215834449U CN 215834449 U CN215834449 U CN 215834449U CN 202121536481 U CN202121536481 U CN 202121536481U CN 215834449 U CN215834449 U CN 215834449U
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- radio frequency
- button
- circuit board
- iron core
- switch assembly
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Abstract
The utility model discloses a vehicle-sensing keyless entry switch assembly which comprises a button device, a radio frequency antenna and a plug connector, wherein the radio frequency antenna comprises an iron core, a coil, a radio frequency circuit board and a radio frequency shell, the coil is wound on the iron core and is connected with the radio frequency circuit board, the iron core and the coil are all arranged in the radio frequency shell, the radio frequency circuit board is connected with the plug connector through a radio frequency wiring harness, a frame for accommodating the iron core and the coil is integrally formed in the radio frequency shell, one end of the frame is provided with an opening through which one end part of the iron core penetrates out, a positioning block is further arranged in the radio frequency shell, one end of the positioning block is provided with a first plug port through which the end part of the iron core, which penetrates out of the opening, is inserted, and the other end of the positioning block is provided with a second plug port through which the radio frequency circuit board is inserted The car feel keyless entry switch assembly which runs more stably.
Description
Technical Field
The utility model relates to the technical field of automobile electric control, in particular to a vehicle-sensing keyless entry switch assembly.
Background
In new automotive technology applications, keyless Entry Passive Start (PEPS) is rapidly becoming the mainstream and universal option, improving user comfort and safety over the use of remote key buttons to control door switches and conventional keys to Start automobiles. In a keyless entry start system, a user holding a valid authenticated key will be allowed to enter the vehicle, open the trunk, and start the engine.
At present, door handle antenna modules used for keyless entry starting systems are basically classified into two types, one is a switch type: two microswitches are added on the door handle, one is a push switch for locking and the other is a pull switch for unlocking; another is inductive: namely, a capacitance sensing processing Circuit is integrated inside a Printed Circuit Board (PCB) Board of the door handle antenna module, and an unlocking/locking signal is sent out by touching a corresponding area with a human hand.
The capacitive sensing type unlocking/locking mode is beneficial to improving the quality of the automobile type and the grade of the whole automobile, so that the capacitive sensing type unlocking/locking device is more and more popular with automobile manufacturers. However, when the capacitive sensing type door handle antenna module is installed on an automobile door handle at present, glue is required to be poured on the door handle for sealing, the requirement on a door handle supplier is high, air bubbles are easily generated inside the door handle, and the problems of low production efficiency and high rejection rate are caused.
For this reason, the applicant previously filed a patent for a car-feel keyless entry combination system with patent number CN201620580553.3, but the prior art still lacks reliable positioning of the rf circuit board and the iron core in the rf housing in terms of specific structure. In addition, the button wire harness extending from the button circuit board to the connector also affects the stability of the overall operation because the part of the wire harness is long and the prior art lacks a structure for positioning the same.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the keyless entry switch assembly with more reliable structure and more stable operation.
In order to achieve the purpose, the utility model provides a car key-free access switch assembly, which comprises a button device, a radio frequency antenna and a plug connector, wherein the button device comprises a button, a button circuit board and a button shell, the button circuit board is arranged in the button shell, the button is connected with the button circuit board and penetrates out of the button shell, the button circuit board is connected with the plug connector through a button wire harness, the radio frequency antenna comprises an iron core, a coil, a radio frequency circuit board and a radio frequency shell, the coil is wound on the iron core and is connected with the radio frequency circuit board, the iron core and the coil are all arranged in the radio frequency shell, the radio frequency circuit board is connected with the plug connector through the radio frequency wire harness, a frame for accommodating the iron core and the coil is integrally formed in the radio frequency shell, an opening for enabling one end part of the iron core to penetrate out is formed in one end of the frame, and a positioning block is also arranged in the radio frequency shell, one end of the positioning block is provided with a first inserting port for the iron core to penetrate out of the end part of the opening to be inserted, the other end of the positioning block is provided with a second inserting port for the radio frequency circuit board to be inserted, the orientations of the first inserting port and the second inserting port are opposite, and a positioning structure for limiting the radio frequency circuit board to be separated from the second inserting port is arranged between the radio frequency circuit board and the radio frequency shell.
The utility model has the beneficial effects that: by adopting the structure, the positioning radio frequency circuit board and the iron core are installed by arranging the first inserting port and the second inserting port on the frame and the two ends of the positioning block respectively, and the structure is reliable and the assembly and disassembly are convenient.
The utility model can be further configured that the positioning structure comprises a positioning column, and the positioning column is fixedly connected to the radio frequency shell and penetrates through the radio frequency circuit board. The structure is simple, and the disassembly and the assembly are convenient.
The utility model can be further provided with notches which are symmetrically arranged on the left and right sides of the middle part of the positioning block between the first inserting port and the second inserting port, and the radio frequency shell is fixedly provided with limiting blocks which form inserting limiting fit with the notches. Set up like this, can form further spacing to the locating piece to make whole assembly structure more reliable and more stable.
The utility model can be further provided that the outer surface of the button shell is integrally formed with a T-shaped block for positioning the button wiring harness.
The utility model can be further provided that an L-shaped block for positioning the button wiring harness is integrally formed on the outer surface of the radio frequency shell.
The utility model can be further provided that each end part of the radio frequency shell in the length direction is at least provided with two L-shaped blocks, and the adjacent L-shaped blocks on each end part are opposite in direction.
Through above-mentioned T-shaped piece, L-shaped piece, can form effective location to the button pencil.
The utility model can be further provided that the junction of the button wire harness and the radio frequency wire harness is sleeved with a sleeve for containing the button wire harness and the radio frequency wire harness.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an exploded view of a portion of the button device;
FIG. 4 is a cross-sectional view of the structure of the RF antenna portion;
fig. 5 is a structural view of the positioning block.
Detailed Description
As shown in fig. 1-5, a car key-free access switch assembly is provided, which includes a button device 1, a radio frequency antenna 2 and a plug connector 3, wherein the button device 1 includes a button 11, a button circuit board 12 and a button housing 13, the button circuit board 12 is disposed in the button housing 13, the button 11 is connected with the button circuit board 12 and penetrates out of the button housing 13, the button circuit board 12 is connected with the plug connector 3 through a button wire harness 14, the radio frequency antenna 2 includes an iron core 21, a coil 22, a radio frequency circuit board 23 and a radio frequency housing 24, the coil 22 is wound on the iron core 21 and is connected with the radio frequency circuit board 23, the iron core 21 and the coil 22 are all disposed in the radio frequency housing 24, the radio frequency circuit board 23 is connected with the plug connector 3 through a radio frequency wire harness 25, a frame 26 for accommodating the iron core 21 and the coil 22 is integrally formed in the radio frequency housing 24, and an opening for allowing an end of the iron core 21 to penetrate out is opened at one end of the frame 26, a positioning block 4 is further arranged in the radio frequency housing 24, a first inserting port 41 for inserting the end portion of the iron core 21, which penetrates out of the opening, is arranged at one end of the positioning block 4, a second inserting port 42 for inserting the radio frequency circuit board 23 is arranged at the other end of the positioning block 4, the orientations of the first inserting port 41 and the second inserting port 42 are opposite, and a positioning structure for limiting the radio frequency circuit board 23 to be disengaged from the second inserting port 42 is arranged between the radio frequency circuit board 23 and the radio frequency housing 24. The positioning structure comprises a positioning column 27, and the positioning column 27 is fixedly connected to the radio frequency housing 24 and penetrates through the radio frequency circuit board 23.
By adopting the structure, the positioning radio frequency circuit board 23 and the iron core 21 are arranged by respectively arranging the first inserting port and the second inserting port on the frame 26 and the two ends of the positioning block 4, the structure is reliable, and the assembly and disassembly are convenient.
The outer surface of the button housing 13 is integrally formed with a T-block 15 which positions the button wire harness 14. The outer surface of the radio frequency housing 24 is integrally formed with an L-shaped block 29 which positions the button harness 14. At least two L-shaped blocks 29 are arranged at each end part of the radio frequency shell 24 in the length direction, and the adjacent L-shaped blocks 29 on each end part are oppositely oriented. The button wire harness 14 can be effectively positioned through the T-shaped blocks 15 and the L-shaped blocks 29.
The junction of the button harness 14 and the radio frequency harness 25 is sheathed with a sleeve 5 for containing the button harness 14 and the radio frequency harness 25 therein.
Claims (7)
1. The utility model provides a car feels keyless entry switch assembly, includes button device, radio frequency antenna and plug connector, and the button device includes button, button circuit board, button casing, and button circuit board sets up in button casing, and outside the button casing was worn out with button circuit board to the button is connected, button circuit board passed through button pencil and is connected with the plug connector, and the radio frequency antenna includes iron core, coil, radio frequency circuit board, radio frequency casing, and the coil is around establishing on the iron core and be connected with the radio frequency circuit board, iron core and coil all set up in the radio frequency casing, and the radio frequency circuit board passes through the radio frequency pencil and is connected its characterized in that with the plug connector: the radio frequency casing is internally and integrally formed with a frame for accommodating the iron core and the coil, one end of the frame is provided with an opening for the end part of one end of the iron core to penetrate out, a positioning block is further arranged in the radio frequency casing, one end of the positioning block is provided with a first inserting port for the iron core to penetrate out of the end part of the opening, the other end of the positioning block is provided with a second inserting port for the radio frequency circuit board to insert, the orientations of the first inserting port and the second inserting port are opposite, and a positioning structure for limiting the radio frequency circuit board to be separated from the second inserting port is arranged between the radio frequency circuit board and the radio frequency casing.
2. The vehicle keyless entry switch assembly as recited in claim 1, wherein: the positioning structure comprises a positioning column which is fixedly connected to the radio frequency shell and penetrates through the radio frequency circuit board.
3. A vehicle key-less access switch assembly as defined in claim 1 or 2, wherein: notches are symmetrically arranged on the middle portion of the positioning block between the first insertion port and the second insertion port, and limiting blocks which are in insertion limiting fit with the notches are fixedly arranged on the radio frequency shell.
4. A vehicle key-less access switch assembly as defined in claim 1 or 2, wherein: the outer surface of the button shell is integrally formed with a T-shaped block for positioning the button wiring harness.
5. The vehicle keyless entry switch assembly as recited in claim 4, wherein: an L-shaped block for positioning the button wire harness is integrally formed on the outer surface of the radio frequency shell.
6. The vehicle keyless entry switch assembly as recited in claim 5, wherein: at least two L-shaped blocks are arranged at each end part of the radio frequency shell in the length direction, and the directions of the adjacent L-shaped blocks on each end part are opposite.
7. The vehicle keyless entry switch assembly as recited in claim 6, wherein: the junction of the button wire harness and the radio frequency wire harness is sleeved with a sleeve for containing the button wire harness and the radio frequency wire harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121536481.XU CN215834449U (en) | 2021-07-07 | 2021-07-07 | Car feel keyless entry switch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121536481.XU CN215834449U (en) | 2021-07-07 | 2021-07-07 | Car feel keyless entry switch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215834449U true CN215834449U (en) | 2022-02-15 |
Family
ID=80191423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121536481.XU Active CN215834449U (en) | 2021-07-07 | 2021-07-07 | Car feel keyless entry switch assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215834449U (en) |
-
2021
- 2021-07-07 CN CN202121536481.XU patent/CN215834449U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |