CN213662052U - Mounting structure capable of preventing electrostatic discharge of car lamp circuit board - Google Patents
Mounting structure capable of preventing electrostatic discharge of car lamp circuit board Download PDFInfo
- Publication number
- CN213662052U CN213662052U CN202022795907.5U CN202022795907U CN213662052U CN 213662052 U CN213662052 U CN 213662052U CN 202022795907 U CN202022795907 U CN 202022795907U CN 213662052 U CN213662052 U CN 213662052U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- printed circuit
- mounting structure
- metal piece
- piece
- 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
- Elimination Of Static Electricity (AREA)
Abstract
The utility model relates to a can prevent car light circuit board electrostatic discharge's mounting structure mainly includes circuit board support piece, metalwork and printed circuit board, and wherein circuit board support piece, metalwork are fixed in the lamp body both sides, and the printed circuit board joint is between circuit board support piece, metalwork. The clamping grooves on two sides of the printed circuit board are respectively clamped and fixed with the rib positions on the circuit board supporting piece and the rib positions on the metal piece, the bosses on the end part of the metal piece are in contact with the grounding area on the printed circuit board to realize conduction, and static electricity is led out through the internal circuit of the printed circuit board. The utility model discloses avoided setting up the problem that a plurality of screw posts lead to lamp body inner space compressed on circuit board support piece, more be favorable to arranging of lamp body internals, whole mounting structure has advantages such as simple, reliable and stable, manufacturing and use cost are lower.
Description
Technical Field
The utility model relates to a car light technical field, concretely relates to preventable car light circuit board electrostatic discharge's mounting structure.
Background
As a common component of a vehicle lamp, a printed circuit board mainly functions as a lighting or control circuit inside the vehicle lamp. For the installation of the printed circuit board, it is a conventional practice to fix the printed circuit board on the lamp body by screwing, such as chinese patents CN206093817U, CN208886650U, etc. Such mounting structures have been found to present some problems: on one hand, the number of parts in the vehicle lamp is increased, so that the installation process is complicated and the cost is increased; the other party is unfavorable for the installation and the arrangement of other parts because the screw post needs to be added on the supporting piece, the internal space of the lamp body is compressed.
In addition, the printed circuit board needs to be subjected to electrostatic protection, and most of the current methods are connected with the negative electrode of the printed circuit board through a screw and a nut, and the grounding is realized by means of the connection of a metal piece and the nut.
SUMMERY OF THE UTILITY MODEL
For the above-mentioned not enough that overcome prior art and exist, the utility model provides a mounting structure of preventable car light circuit board electrostatic discharge (ESD). This scheme is avoiding using the screw post to occupy under the prerequisite of lamp body inner space, has realized the firm installation of printed circuit board with the lamp body through the joint structure, utilizes the protruding mode that directly links to each other with the earthing terminal on the printed circuit board of specific position department on the metalwork simultaneously, has effectively realized electrostatic discharge's prevention. In order to achieve the above object, the utility model adopts the following technical scheme:
a mounting structure capable of preventing electrostatic discharge of a circuit board of a vehicle lamp comprises a circuit board supporting piece, a metal piece and a printed circuit board, wherein clamping grooves are formed in two sides of the printed circuit board, a rib position is arranged at the end part of the circuit board supporting piece, and a rib position and a boss are arranged at the end part of the metal piece; the clamping grooves on two sides of the printed circuit board are respectively clamped and fixed with the rib positions on the circuit board supporting piece and the rib positions on the metal piece, and the bosses on the end part of the metal piece are contacted with the grounding area on the printed circuit board to realize conduction; static electricity is led out through the inner circuit of the printed circuit board, and a good electrostatic discharge protection effect is formed.
Furthermore, the end part of the circuit board supporting part is provided with at least two rib positions, and one side corresponding to the printed circuit board is provided with the same number of clamping grooves.
Furthermore, the rib position at the end part of the circuit board supporting part is a convex C-shaped rib position, and the dimension of the rib position close to the middle part is larger than the dimension of the rib positions at two sides. The C-shaped rib position can firmly lock the printed circuit board, good limiting and fixing effects are achieved, the middle rib position plays a main clamping and fixing role, and therefore the size of the printed circuit board is relatively large.
Further, the metalwork tip is provided with three at least muscle positions, including T font muscle position, horizontal muscle position and vertical muscle position, and each muscle position sets up one at least. The T-shaped rib position is mainly used for guiding when the printed circuit board is installed and clamping after installation and is limited, and the horizontal rib position and the vertical rib position are mainly used for limiting the printed circuit board in the horizontal and vertical directions.
Furthermore, the T-shaped ribs are positioned in the middle of the metal piece, and the number of the T-shaped ribs is 1; the horizontal ribs are positioned in the middle of the metal piece and close to the T-shaped ribs, and the number of the horizontal ribs is 1; the vertical rib positions are located on two sides of the metal piece, and the number of the vertical ribs is 2.
Furthermore, the bosses are positioned in the middle of the metal piece and are arranged on two sides of the T-shaped rib position along with the horizontal rib position, and the number of the bosses is 1.
Furthermore, the metal piece is of an integrated structure, and a continuous metal coating is arranged on the surface of the metal piece.
Furthermore, the lug boss and the grounding area of the printed circuit board are in a plane-plane contact mode.
Furthermore, the clamping groove on the printed circuit board is U-shaped.
Furthermore, the circuit board supporting piece and the metal piece are fixed on the lamp body.
Compared with the prior art, the beneficial effects of the utility model are embodied in following several aspects: (1) the traditional printed circuit board fixing and anti-static connecting mode is changed into a clamping and surface contact conduction mode from a screw, so that the stable installation of the printed circuit board and the lamp body is realized by a simple structure; (2) meanwhile, the conductive bulge on the metal piece is in direct surface contact with the grounding area on the printed circuit board, so that static electricity is effectively conducted away in time, and a good effect of preventing static discharge is achieved; (3) the problem that the inner space of the lamp body is compressed due to the fact that a plurality of screw columns are arranged on the circuit board supporting piece is avoided, and arrangement of parts inside the lamp body is facilitated; (4) the whole installation structure is simple, stable and reliable, and the manufacturing and using cost is lower.
Drawings
FIG. 1 is a general view of the installation structure of the present invention;
FIG. 2 is a schematic view of a partial structure of a metal part;
FIG. 3 is a schematic view of a printed circuit board mounting;
fig. 4 is a schematic view of the contact between the boss and the ground area of the printed circuit board.
The circuit board comprises a circuit board support 1, a circuit board support 11-C-shaped rib position, a printed circuit board 2-21-U-shaped clamping groove 22-grounding areas, a metal piece 3-31-T-shaped rib position, a horizontal rib position 32-33-vertical rib position and a boss 34.
Detailed Description
In order to make those skilled in the art fully understand the technical solutions and advantages of the present invention, the following description is further provided with reference to specific embodiments.
As shown in fig. 1-4, the mounting structure for preventing electrostatic discharge of a circuit board of a vehicle lamp mainly includes a circuit board supporting member 1, a printed circuit board 2 and a metal member 3, wherein the circuit board supporting member and the metal member are fixed at two sides of a lamp body, and the printed circuit board is clamped and fixed between the circuit board supporting member and the metal member. A large convex C-shaped rib position 11 and a small convex C-shaped rib position 11 are arranged on the circuit board supporting piece. A plurality of U-shaped clamping grooves 21 are arranged on two side edges of the printed circuit board, and a metal grounding area 22 is arranged on the bottom surface of the printed circuit board. The middle of the metal piece 3 is provided with 1T- shaped rib position 31, 1 horizontal rib position 32 and 1 conductive boss 34 at certain intervals, and two ends of the metal piece 3 are respectively provided with 1 vertical rib position 33. The metal piece is made of metal materials, and a layer of continuous metal conductive coating (such as copper) is unique on the surface for improving the conductive effect.
In the mounting process, the printed circuit board 2 is first inserted into the circuit board support member 1 along the x-direction (from bottom to top in fig. 3) until the vertical edge of the C-shaped rib 11 is attached to the printed circuit board, so as to form the limit in the x-direction. Meanwhile, the limiting in the y/z direction is formed through the matching of the side edge of the C-shaped rib position and the U-shaped clamping groove, so that the positioning effect in the three directions of the space dimension is achieved, and the printed circuit board is pre-installed on the supporting piece. And then, the metal piece 3 is inserted into an assembly part consisting of the circuit board support part 1 and the printed circuit board 2 along the x direction, the chamfer angle of the T-shaped rib position 31 is firstly contacted with the printed circuit board to play a guiding role, the horizontal rib position 32 and the T-shaped rib position 31 play a limiting role in the z direction, and the whole installation process is completed until the vertical rib position 33 is attached to the side edge of the printed circuit board.
After the mounting is completed, as shown in fig. 4, since the surface of the boss 34 of the metal member is parallel to the surface of the printed circuit board 2, the metal member and the printed circuit board are in good contact in a 'plane-to-plane' fit mode, and the contact is stable and firm. Because the metal piece 3 and the boss 34 are integrally formed and the continuous and uniform metal plating layer is arranged on the surface of the metal piece to be communicated with each other, when static electricity is generated on the surface of the metal piece 3, the static electricity is directly conducted to the grounding area 22 of the printed circuit board through the boss and then is led out through the internal circuit of the printed circuit board, and the excellent electrostatic discharge protection effect is realized.
The utility model discloses the product has been successfully tried on a certain motorcycle type of certain host computer factory, and the mounting means is simple and convenient, and is reliable and stable, and the cost is lower, and electrostatic discharge's protecting effect is good.
Claims (10)
1. The utility model provides a can prevent car light circuit board electrostatic discharge's mounting structure which characterized in that: the mounting structure comprises a circuit board supporting piece, a metal piece and a printed circuit board, wherein clamping grooves are formed in two sides of the printed circuit board, a rib position is arranged at the end part of the circuit board supporting piece, and a rib position and a boss are arranged at the end part of the metal piece; the clamping grooves on two sides of the printed circuit board are respectively clamped and fixed with the rib positions on the circuit board supporting piece and the rib positions on the metal piece, the bosses on the end part of the metal piece are in contact with the grounding area on the printed circuit board to realize conduction, and static electricity is led out through the internal circuit of the printed circuit board.
2. The mounting structure according to claim 1, wherein: the circuit board support piece tip is provided with two at least muscle positions, and the one side that printed circuit board corresponds is provided with the draw-in groove of same quantity.
3. The mounting structure according to claim 2, wherein: the rib position of the end part of the circuit board supporting part is a convex C-shaped rib position, and the dimension of the rib position close to the middle is larger than the dimension of the rib positions at two sides.
4. The mounting structure according to claim 1, wherein: the metal part end is provided with at least three muscle positions, including T font muscle position, horizontal muscle position and vertical muscle position, and each muscle position sets up one at least.
5. The mounting structure according to claim 4, wherein: the T-shaped rib positions are positioned in the middle of the metal piece, and the number of the T-shaped ribs is 1; the horizontal ribs are positioned in the middle of the metal piece and close to the T-shaped ribs, and the number of the horizontal ribs is 1; the vertical rib positions are located on two sides of the metal piece, and the number of the vertical ribs is 2.
6. The mounting structure according to claim 5, wherein: the boss is located the metalwork in the middle of to with horizontal muscle position branch line T font muscle position both sides, the quantity of boss is 1.
7. The mounting structure according to claim 1, wherein: the metal piece is of an integrated structure, and a continuous metal coating is arranged on the surface of the metal piece.
8. The mounting structure according to claim 1, wherein: the lug boss and the grounding area of the printed circuit board are in a plane-plane contact mode.
9. The mounting structure according to claim 1, wherein: the clamping groove on the printed circuit board is U-shaped.
10. The mounting structure according to claim 1, wherein: the circuit board supporting piece and the metal piece are fixed on the lamp body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022795907.5U CN213662052U (en) | 2020-11-27 | 2020-11-27 | Mounting structure capable of preventing electrostatic discharge of car lamp circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022795907.5U CN213662052U (en) | 2020-11-27 | 2020-11-27 | Mounting structure capable of preventing electrostatic discharge of car lamp circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213662052U true CN213662052U (en) | 2021-07-09 |
Family
ID=76689081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022795907.5U Active CN213662052U (en) | 2020-11-27 | 2020-11-27 | Mounting structure capable of preventing electrostatic discharge of car lamp circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213662052U (en) |
-
2020
- 2020-11-27 CN CN202022795907.5U patent/CN213662052U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200972951Y (en) | Electric connector | |
| CN107742788A (en) | Can fast assembling steady type USB TYPE C connectors | |
| CN213662052U (en) | Mounting structure capable of preventing electrostatic discharge of car lamp circuit board | |
| CN203072308U (en) | Shielding case support structure | |
| US20230025672A1 (en) | Electric connector and connector assembly with less space occupation | |
| CN211372307U (en) | Novel right-angle two-way lamp tube connector | |
| CN209860229U (en) | Electrical connector | |
| CN205544100U (en) | Bus duct and connection structure thereof | |
| CN215834781U (en) | Tail clamping mechanism of electric connector | |
| CN216389801U (en) | Electric connector base | |
| CN203024092U (en) | LED (Light Emitting Diode) lamp bar mounting assembly | |
| CN209844108U (en) | A kind of interface unit | |
| CN216700452U (en) | Folding type circuit board | |
| CN201623414U (en) | Rapid terminal box | |
| CN211780899U (en) | Novel T-shaped three-way lamp tube connector | |
| CN210897451U (en) | Output pole assembly of battery pack and battery pack | |
| CN221201700U (en) | Hardware terminal grounding plate | |
| CN211377062U (en) | Electrical connector assembly | |
| CN213186260U (en) | Camera terminal structure | |
| CN220857051U (en) | DC power socket using multiple jack structures | |
| CN2410762Y (en) | Panel connecting device | |
| CN210350075U (en) | Mobile phone antenna structure and mobile phone | |
| CN221629633U (en) | Quick-connection conductive lamp | |
| CN210247392U (en) | EMC shielding structure of LED controller | |
| CN212968344U (en) | Alternating current power supply electricity taking device and multiphase electricity taking meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |