CN202634994U - Ground structure of LCD shielding case - Google Patents
Ground structure of LCD shielding case Download PDFInfo
- Publication number
- CN202634994U CN202634994U CN 201220123911 CN201220123911U CN202634994U CN 202634994 U CN202634994 U CN 202634994U CN 201220123911 CN201220123911 CN 201220123911 CN 201220123911 U CN201220123911 U CN 201220123911U CN 202634994 U CN202634994 U CN 202634994U
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- CN
- China
- Prior art keywords
- radome
- circuit board
- ground
- ground structure
- lcd
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a ground structure of an LCD shielding case. The ground structure comprises a shielding case and a circuit board. The shielding case is formed by a bending metal plate and is disposed above the circuit board. The circuit board is provided with a ground groove, and inner walls of the groove are provided with a conductor which is electrically connected with a ground layer of the circuit board. The shielding case comprises an elastic ground pin. A lower end of the elastic ground pin extends downwards the shielding case and passes through the groove. The lower end of the elastic ground pin comprises a bending portion which remains in the groove after being pressed to distort between two opposite inner walls of the groove. The bending portion is electrically connected with the conductor on the inner wall of the groove. Compared with twisted pin contact in the prior art, safety margin of the ground structure is more sufficient. The shielding case is connected to ground by a direct-assembly one-step process, and installation steps are reduced, thereby saving working hours and tool cost. The installation process is free of welding and other steps. The ground structure is convenient to dismount, and does not cause scrapping of important parts when the ground structure needs to remake.
Description
Technical field:
The utility model relates to automotive field, relates in particular to the vehicle electronics display screen, particularly a kind of ground structure of LCD radome.
Background technology:
LCD LCD is the display unit on the control panel of automobile electronics, for satisfying the quality requirement of electronic product, need carry out strict ESD (static discharge) protection to LCD.In the prior art; Adopt the tinplate or the galvanized steel plain sheet of 0.3 ~ 0.5 millimeters thick to process the shielding protection cover; In the installation process of shielding protection cover, earlier radome is installed on the plastic feet of LCD, ground connection the twisting leg on the radome passed the perforate of circuit board; Reverse ground connection twisting leg it is connected with the stratum of circuit board, weld ground connection twisting leg at last.Owing to need reverse and weld two operating procedures when installing, therefore need extra frock and man-hour, when needs are done over again,, the radome of welding is difficult to dismounting because twisting leg, and can cause do over again circuit board and other parts to scrap.
Summary of the invention:
The purpose of the utility model is to provide a kind of ground structure of LCD radome, and the ground structure of described this LCD radome will solve the technical problem that ground structure ground connection working (machining) efficiency is low and maintenance is inconvenient of LCD radome in the prior art.
The ground structure of this LCD radome of the utility model comprises radome and circuit board, and described radome is made up of the metallic plate bending; Described radome is arranged on the top of circuit board; Wherein, be provided with the ground connection fluting in the described circuit board, the inwall of described ground connection fluting is laid with conductor; Described conductor is electrically connected with the ground plane of circuit board; Include an elasticity grounding leg in the described metallic plate, the lower end of described elasticity grounding leg is to the extension of the below of radome and pass the ground connection fluting, and the lower end of elasticity grounding leg includes a bend; Rest on after the distortion of described bend in the ground connection fluting, bend and ground connection fluting two in opposite directions inwall contact and be electrically connected with conductor formation on the inwall.
Further; The lower end of elasticity grounding leg includes a flat board; Direction to radome in the described flat board is provided with a cantilever, and described cantilever comprises one first section and one second section, is provided with one first bending between described first section and the flat board; Be provided with one second bending between first section and second section; The inflection point of second bending protrudes from a dull and stereotyped side, and second section free end protrudes from dull and stereotyped opposite side, and the distance of inflection point between the projection on the circuit board of second section the free end and second bending is greater than the width of ground connection fluting.
Further, the below of circuit board is provided with plastic feet, and the sidewall of radome is provided with hole clipping, and the sidewall of plastic feet is provided with grab, and radome and plastic feet are connected through hole clipping and grab.
Further, the below of circuit board is provided with plastic feet, and the sidewall of radome is provided with resilient barb, and the sidewall of plastic feet is provided with bayonet socket, and radome is connected with bayonet fittings through resilient barb with plastic feet.
Further, be provided with LCDs between radome and the circuit board.
The operation principle of the utility model is: radome is through resilient barb or hole clipping structure and plastic feet assembling, and the elasticity grounding leg of radome is through the ground connection fluting of circuit board, and the distortion back keeps linear with ground connection fluting two long limits and contacts, and realizes Shielding Case grounding.
The utility model and prior art are compared, and its effect is actively with tangible.The utility model is provided with panel beating elastic bending pin and directly passes circuit board in radome, constitute between the ground plane of elastic bending pin and circuit board to be electrically connected, and compares a contact that twists leg of the prior art, and safe clearance is more sufficient; Directly assembling one step process can be accomplished Shielding Case grounding, has reduced installation steps, thereby has saved man-hour and frock expense, and installation process need not steps such as welding, simultaneously, easy accessibility, the Shi Buhui that need do over again causes scrapping of important spare part.
Description of drawings:
Fig. 1 is the perspective exploded view of ground structure of the LCD radome of the utility model.
Fig. 2 is the sketch map of the plastic feet in the ground structure of LCD radome of the utility model.
Fig. 3 is the sketch map of the radome in the ground structure of LCD radome of the utility model.
Fig. 4 is the enlarged diagram of the lower end of the elasticity grounding leg among Fig. 3.
Elasticity grounding leg and circuit board relative position sketch map when Fig. 5 is the utility model and circuit board prepackage.
Fig. 6 is the distortion sketch map of elasticity grounding leg in the utility model and the circuit board installation process.
Fig. 7 is the sketch map that the utility model and circuit board are installed back elasticity grounding leg and circuit board.
Embodiment:
Embodiment 1:
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and shown in Figure 7; The ground structure of the LCD radome of the utility model comprises radome 1 and circuit board 4, and described radome 1 is made up of the metallic plate bending; Described radome 1 is arranged on the top of circuit board 4; Wherein, be provided with ground connection fluting 41 in the described circuit board 4, the inwall of described ground connection fluting 41 is laid with conductor; Described conductor is electrically connected with the ground plane of circuit board 4; Constitute in the metallic plate of described radome 1 and include an elasticity grounding leg 11, the lower end of described elasticity grounding leg 11 is extended and is passed ground connection fluting 41 to the below of radome 1, and the lower end of elasticity grounding leg 11 includes a bend 12; Described bend 12 rests on behind the compressive deformation between the inwall in the ground connection fluting 41 two of ground connection fluting 41 in opposite directions, bend 12 and ground connection fluting 41 two in opposite directions inwall contact and be electrically connected with conductor formation on the inwall.
Further; The lower end of elasticity grounding leg 11 includes a flat board 15; Direction to radome 1 in described dull and stereotyped 15 is provided with a cantilever, and described cantilever comprises one first section 13 and one second section 14, described first section 13 and dull and stereotyped 15 between be provided with one first bending; Be provided with one second bending between first section 13 and second sections 14; The inflection point of second bending protrudes from a side of dull and stereotyped 15, and second section 14 free end protrudes from dull and stereotyped 15 opposite side, and the distance of inflection point between the projection on the circuit board 4 of second section 14 the free end and second bending is greater than the width of ground connection fluting 41.
Further, the below of circuit board 4 is provided with plastic feet 3, and the sidewall of radome 1 is provided with hole clipping 16, and the sidewall of plastic feet 3 is provided with grab 31, and radome 1 is connected through hole clipping 16 and grab 31 with plastic feet 3.
Further, the below of circuit board 4 is provided with plastic feet 3, and the sidewall of radome 1 is provided with resilient barb 17, and the sidewall of plastic feet 3 is provided with bayonet socket, and radome 1 is connected with bayonet fittings through resilient barb 17 with plastic feet 3.
Further, the lower end of plastic feet 3 is provided with grab 32, is provided with groove 42 in the circuit board 4, plastic feet 3 and circuit board 4 being connected through grab and groove.
Further, be provided with LCDs 2 between radome 1 and the plastic feet 3.
The operation principle of present embodiment is: radome 1 is through resilient barb or hole clipping structure and plastic feet 3 assemblings; The elasticity grounding leg 11 of radome 1 is through the ground connection fluting 41 of circuit board 4; The 41 liang of long limits in distortion back and ground connection fluting keep linear and contact, and realize radome 1 ground connection.
Claims (5)
1. the ground structure of a LCD radome; Comprise radome and circuit board, described radome is made up of the metallic plate bending, and described radome is arranged on the top of circuit board; It is characterized in that: be provided with the ground connection fluting in the described circuit board; The inwall of described ground connection fluting is laid with conductor, and described conductor is electrically connected with the ground plane of circuit board, includes an elasticity grounding leg in the described metallic plate; The lower end of described elasticity grounding leg is to the extension of the below of radome and pass the ground connection fluting; The lower end of elasticity grounding leg includes a bend, rest on after the distortion of described bend in the ground connection fluting, bend and ground connection fluting two in opposite directions inwall contact and be electrically connected with conductor formation on the inwall.
2. the ground structure of LCD radome as claimed in claim 1; It is characterized in that: the lower end of elasticity grounding leg includes a flat board; Direction to radome in the described flat board is provided with a cantilever, and described cantilever comprises one first section and one second section, is provided with one first bending between described first section and the flat board; Be provided with one second bending between first section and second section; The inflection point of second bending protrudes from a dull and stereotyped side, and second section free end protrudes from dull and stereotyped opposite side, and the distance of inflection point between the projection on the circuit board of second section the free end and second bending is greater than the width of ground connection fluting.
3. the ground structure of LCD radome as claimed in claim 1; It is characterized in that: the below of circuit board is provided with plastic feet; The sidewall of radome is provided with hole clipping, and the sidewall of plastic feet is provided with grab, and radome and plastic feet are connected through hole clipping and grab.
4. the ground structure of LCD radome as claimed in claim 1; It is characterized in that: the below of circuit board is provided with plastic feet; The sidewall of radome is provided with resilient barb, and the sidewall of plastic feet is provided with bayonet socket, and radome is connected with bayonet fittings through resilient barb with plastic feet.
5. the ground structure of LCD radome as claimed in claim 1 is characterized in that: be provided with LCDs between radome and the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220123911 CN202634994U (en) | 2012-03-28 | 2012-03-28 | Ground structure of LCD shielding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220123911 CN202634994U (en) | 2012-03-28 | 2012-03-28 | Ground structure of LCD shielding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202634994U true CN202634994U (en) | 2012-12-26 |
Family
ID=47388123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220123911 Expired - Fee Related CN202634994U (en) | 2012-03-28 | 2012-03-28 | Ground structure of LCD shielding case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202634994U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567274A (en) * | 2017-11-03 | 2018-01-09 | 成都芯通科技股份有限公司 | PCB signal element bonding devices |
| CN109068557A (en) * | 2018-09-27 | 2018-12-21 | 延锋伟世通电子科技（上海）有限公司 | A kind of liquid crystal display mounting structure of shield cover |
| CN109104811A (en) * | 2018-10-22 | 2018-12-28 | 成都西达瑞电子科技有限公司 | Small size with good shielding construction wirelessly communicates development board |
-
2012
- 2012-03-28 CN CN 201220123911 patent/CN202634994U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567274A (en) * | 2017-11-03 | 2018-01-09 | 成都芯通科技股份有限公司 | PCB signal element bonding devices |
| CN107567274B (en) * | 2017-11-03 | 2020-03-31 | 成都芯通科技股份有限公司 | PCB signal unit shielding grounding device |
| CN109068557A (en) * | 2018-09-27 | 2018-12-21 | 延锋伟世通电子科技（上海）有限公司 | A kind of liquid crystal display mounting structure of shield cover |
| CN109104811A (en) * | 2018-10-22 | 2018-12-28 | 成都西达瑞电子科技有限公司 | Small size with good shielding construction wirelessly communicates development board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20130328 |