Conductive connection structure for ESD (Electro-Static Discharge) protection
The combined structure of conductive cloth and conductive foam solves the problem of electrostatic breakdown of vehicle displays, achieves simplified processes, reduces costs, and provides flexible conductive connections, while maintaining structural design freedom.
Patent Information
- Application Number
- CN202422650388.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-31
AI Technical Summary
The gap between the electroplated trim and the display screen of the car display is small, which makes it easy for the static electricity of the human body to break through the air and be transmitted to the display screen, causing problems such as display distortion and screen flicker.
A combination structure of conductive cloth and conductive foam is adopted. The conductive cloth is attached to the inner side of the shell, and the end away from the electroplated decoration extends to the bottom of the metal bracket. The thickness of the conductive foam is greater than the gap, and it is glued with conductive glue to achieve conductive connection between the electroplated decoration and the metal bracket.
The process is simplified, the cost is reduced, a flexible conductive connection is provided, electrostatic breakdown is avoided, the freedom of structural design is maintained, and the conductive performance is stable.
Smart Images

Figure CN223334072U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vehicle-mounted display screens, and specifically relates to an ESD protection conductive connection structure. Background Art
[0002] Currently, a large proportion of car displays on the market have electroplated parts added around the display as decoration. However, the coating of electroplated decorative parts is generally metal, which has good conductivity, and the gap between the display and the display is generally between 0.1-0.5mm, which is relatively small.
[0003] Patent number 202323616524.7, published on August 20, 2024, discloses a vehicle-mounted display screen module with a patch conductive foam grounding structure, including: a display screen module, the display screen module is composed of a glass cover plate, an optical film glue, a display screen and a backlight assembly; the backlight assembly includes double-sided, a glue frame, a light guide plate and an aluminum alloy bottom shell; the aluminum alloy bottom shell material is stamped from aluminum alloy; the patch conductive foam, the patch conductive foam is automatically mounted on the front and back of the printed circuit board through a surface mounting process, and is used to connect the aluminum alloy bottom shell, the printed circuit board and the display screen shell to quickly conduct the static electricity generated by the display screen; its core materials are conductive film, adhesive and conductive film; the printed circuit board, the function of the printed circuit board is to supply power and signals to the display module, and is fixed to the back of the aluminum alloy bottom shell of the backlight assembly by supporting foam on both sides of the printed circuit board.
[0004] In the existing technology, due to the small fitting gap of the display screen, it is easy for people to touch the electroplated parts when operating the display screen. The static electricity carried by the human body can easily penetrate the air through the electroplated parts and be transmitted to the display screen at a closer distance, causing display distortion, screen flicker and other problems. Utility Model Content
[0005] The utility model aims to provide an ESD protection conductive connection structure with simple structure and good conductive effect.
[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a conductive connection structure for ESD protection, including a shell and a plated decoration and a metal bracket arranged on the shell, a conductive structure connecting the metal bracket and the plated decoration is provided in the shell, and the conductive structure includes a conductive cloth connected to the plated decoration and a conductive foam arranged between the conductive cloth and the metal bracket.
[0007] The conductive cloth is attached to the inner side of the shell.
[0008] One end of the conductive cloth away from the electroplated decorative piece extends along the inner wall of the shell to below the metal bracket.
[0009] The metal bracket is grounded.
[0010] The thickness of the conductive foam is greater than the gap between the metal bracket and the housing.
[0011] At least one conductive cloth is provided.
[0012] The conductive cloth is adhered to the inner side of the shell by conductive glue, and the end of the conductive cloth is adhered to the electroplated decorative part.
[0013] The technical effects of the present invention are: simplified process, no need for welding, wiring, etc., the conductive cloth is directly pasted on the structural parts, the operation is simple and reliable; reduced cost, compared with the use of metal springs or wiring and other processes, the conductive foam cost of this solution is lower; and it can achieve the conductive connection of long-distance structural parts. For two parts that are far apart, a flexible conductive cloth solution is provided for connection to achieve an effective conductive path; it meets the conductive connection of complex structures and simplifies the design. The thickness of the conductive cloth is generally less than 0.1mm. For parts that do not have additional space to design other conductive connection structures, adding conductive cloth will not cause structural interference, and the conductive cloth can maintain conductive properties even if it is squeezed. While meeting the conductivity, the structural design can maintain the maximum degree of freedom in the existing space. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] This manual includes the following drawings, which show the following contents:
[0015] Figure 1 This is a schematic structural diagram of a conductive connection structure for ESD protection according to the present invention;
[0016] Figure 2 for Figure 1 Schematic diagram of a conductive fabric with a conductive connection structure for ESD protection;
[0017] Figure 3 for Figure 1 Schematic diagram of the conductive foam position of a conductive connection structure for ESD protection;
[0018] Figure 4 for Figure 1 Schematic diagram of the overall assembly of a conductive connection structure for ESD protection.
[0019] The markings in the figure are: 1. Shell; 2. Electroplated accessories; 3. Metal bracket; 4. Conductive cloth; 5. Conductive foam. DETAILED DESCRIPTION
[0020] The following is a further detailed description of the specific implementation methods of the present invention by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solution of the present invention and to facilitate its implementation.
[0021] See also Figure 1-4 A conductive connection structure for ESD protection includes a shell 1 and an electroplated decorative part 2 and a metal bracket 3 arranged on the shell 1. A conductive structure connecting the metal bracket 3 and the electroplated decorative part 2 is provided in the shell 1. The conductive structure includes a conductive cloth 4 connected to the electroplated decorative part 2 and a conductive foam 5 arranged between the conductive cloth 4 and the metal bracket 3; a conductive circuit of electroplated decorative part 2-flexible conductive cloth 4-conductive foam 5-metal bracket 3 is realized. When operating the display screen, static electricity can be transferred to the metal bracket 3 through the above-mentioned conductive path, thereby preventing static electricity from breaking through the air and affecting the display screen.
[0022] The conductive cloth 4 is attached to the inner side of the housing 1 ; the thickness of the conductive cloth 4 is less than 0.1 mm, and when attached to the inner side of the housing 1 , it does not affect normal installation.
[0023] One end of the conductive cloth 4 away from the electroplated decorative part 2 extends along the inner wall of the shell 1 to the bottom of the metal bracket 3; the conductive cloth 4 is used to connect the metal bracket 3 and the electroplated decorative part 2 together, thereby achieving the purpose of conducting electric charge.
[0024] The metal bracket 3 is grounded; the metal bracket 3 is used to ground the charge to avoid static electricity.
[0025] The thickness of the conductive foam 5 is greater than the gap between the metal bracket 3 and the housing 1 ; after assembling the metal bracket 3 , the conductive foam 5 is squeezed to ensure good contact between the metal bracket 3 and the conductive foam 5 .
[0026] At least one conductive cloth 4 is provided; using multiple conductive cloths 4 can further improve the static electricity removal effect.
[0027] The conductive cloth 4 is adhered to the inner side of the housing 1 by conductive glue, and the end of the conductive cloth 4 is adhered to the electroplated decorative part 2; the conductive glue adhering method is more convenient to install and has low cost.
[0028] The technical effects of the present invention are: simplified process, no need for welding, wiring, etc., the conductive cloth 4 is directly pasted on the structural parts, simple and reliable operation; reduced cost, compared with the use of metal springs or wiring and other processes, the conductive foam 5 of this solution is lower in cost; and it can achieve conductive connection of long-distance structural parts. For two parts that are far apart, a flexible conductive cloth 4 is provided for connection to achieve an effective conductive path; it meets the conductive connection of complex structures and simplifies the design. The thickness of the conductive cloth 4 is generally less than 0.1mm. For parts that do not have additional space to design other conductive connection structures, adding the conductive cloth 4 will not cause structural interference, and the conductive cloth 4 can maintain conductive performance even if it is squeezed. While meeting the conductivity, the structural design can maintain the maximum degree of freedom in the existing space.
[0029] The above description of the present invention is provided as an example, in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described method. Any non-substantial improvements made using the method concepts and technical solutions of the present invention, or any application of the above-described concepts and technical solutions of the present invention to other situations without modification, are all within the scope of protection of the present invention.
Claims
1. A conductive connection structure for ESD protection, characterized by: The invention comprises a housing (1), an electroplated decorative part (2) and a metal bracket (3) arranged on the housing (1); a conductive structure connecting the metal bracket (3) and the electroplated decorative part (2) is provided in the housing (1); the conductive structure comprises a conductive cloth (4) connected to the electroplated decorative part (2) and a conductive foam (5) arranged between the conductive cloth (4) and the metal bracket (3).
2. The conductive connection structure for ESD protection according to claim 1, wherein: The conductive cloth (4) is attached to the inner side of the housing (1).
3. The conductive connection structure for ESD protection according to claim 1 or 2, characterized in that: One end of the conductive cloth (4) away from the electroplated decorative part (2) extends along the inner wall of the housing (1) to below the metal bracket (3).
4. The conductive connection structure for ESD protection according to claim 1, wherein: The metal bracket (3) is grounded.
5. The conductive connection structure for ESD protection according to claim 1, wherein: The thickness of the conductive foam (5) is greater than the gap between the metal bracket (3) and the housing (1).
6. The conductive connection structure for ESD protection according to claim 1 or 2, characterized in that: At least one conductive cloth (4) is provided.
7. The conductive connection structure for ESD protection according to claim 1, wherein: The conductive cloth (4) is adhered to the inner side of the housing (1) by means of conductive glue, and the end of the conductive cloth (4) is adhered to the electroplated decorative part (2).
Citation Information
Patent Citations
Vehicle-mounted display screen module with patch conductive foam grounding structure
CN221575804U