CN200956410Y - Single-sided PCB earthing device for flat screen television - Google Patents
Single-sided PCB earthing device for flat screen television Download PDFInfo
- Publication number
- CN200956410Y CN200956410Y CNU2006200153154U CN200620015315U CN200956410Y CN 200956410 Y CN200956410 Y CN 200956410Y CN U2006200153154 U CNU2006200153154 U CN U2006200153154U CN 200620015315 U CN200620015315 U CN 200620015315U CN 200956410 Y CN200956410 Y CN 200956410Y
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- Prior art keywords
- circuit board
- pad
- hole
- ground wire
- screw
- 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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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The utility model provides an earthing device for a single side circuit board in a flat panel TV; the bottom surface of the single side circuit board is provided with a ground wire copper foil; and an installation hole is arranged on the circuit board for a bolt to drill through. The ground wire copper foil corresponding to the installation hole is a pad with the hole; and a metal board is under the circuit board; a metal stanchion extends upwards from the metal board corresponding to the installation hole; and the pad of the ground wire copper foil contacts the top of the metal stanchion. The top surface of the circuit board is provided with a gasket contacting with the bolt and connecting with the circuit board and the ground wire copper foil. The earthing device for the single-side circuit board in the flat panel TV of the utility model can augment the conductance value for the ground wire and the ground wire does not bring the electric disconnection easily.
Description
[technical field]
The utility model relates to the earthing device in a kind of panel TV, relates in particular to a kind of earthing device that is used for panel TV single face circuit board.
[background technology]
Panel TV is the tv product of develop rapidly in recent years, and it mainly comprises display screen, circuit board, shell and support.Described display screen comprises glass plate and metallic plate, has wherein made the circular metal pillar on the metallic plate, and described circular metal pillar is provided with the internal tapping hole.In the panel TV manufacture process, described circuit board is fixed on the metal mainstay by screw.
Therefore, described circuit board is connected with metallic plate, ground wire and the metallic plate formation that is furnished with on the circuit board can be electrically connected, to reach the purpose of electronic product ground connection, shielding, filtering, antistatic by metal mainstay.Described method is a panel TV circuit board module bonding technology.
See also Fig. 1 and Fig. 2, the bonding mode of single face circuit board is to establish ground wire Copper Foil 31 ' in circuit board 3 ' bottom surface in the prior art panel TV, the position of described ground wire Copper Foil 31 ' the corresponding installing hole is the pad 1 ' of band circular hole, and the Circularhole diameter of described pad 1 ' equals the diameter of screw 5 '; On the metallic plate 4 ' of circuit board 3 ' below, the position of corresponding installing hole upwards vertically extends described metal mainstay 2 '.Pad 1 ' the part of described ground wire Copper Foil 31 ' contacts with metal mainstay 2 ' top.Screw 5 ' passes the pad 1 ' circular hole of installing hole, ground wire Copper Foil 31 ' of circuit board 3 ' from circuit board 3 ' top after, be threaded with the metal mainstay 2 ' of metallic plate 4 ', utilize the pressure of hold-down screw 5 ' that pad 1 ' (being ground wire Copper Foil 31 ') is combined with metal mainstay 2 ', finish being electrically connected.
In the panel TV of described prior art in the bonding mode of single face circuit board, circuit board 3 ' ground wire electric conductivity value is that the conductivity of metal mainstay 2 ' multiply by the contact area with pad 1 '.Because of the through-hole diameter on the metal mainstay 2 ' on the metallic plate 4 ' and material fixed, thereby the ground wire electric conductivity value is a fixed value; If screw loosening is easy to cause the ground wire of circuit board 3 ' and metal mainstay 2 ' to disconnect, cause circuit board 3 ' imperfect earth on electric.
[utility model content]
The technical problem of the required solution of the utility model is to provide the earthing device of single face circuit board in a kind of panel TV, and it can increase the ground wire electric conductivity value, and ground wire is difficult for electric disconnection.
For solving the problems of the technologies described above, the technical solution of the utility model is: the earthing device that single face circuit board in a kind of panel TV is provided, lie in the single face circuit board bottom surface one ground wire Copper Foil is set, on circuit board, offer the installing hole that wears for screw, the position of the corresponding installing hole of described ground wire Copper Foil is a pad with holes, it below circuit board metallic plate, the position of corresponding installing hole extends upward metal mainstay on this metallic plate, the pad of described ground wire Copper Foil contacts with the metal mainstay top, wherein, board top surface also is provided with a pad, and described pad contacts with screw, and is connected with circuit board and ground wire Copper Foil.
In the described panel TV pad of the earthing device of single face circuit board be provided with one with installing hole and the corresponding through hole of location hole, the metal mainstay that described screw passes through hole, the installing hole on the circuit board and the Kong Houyu metallic plate on the pad on the pad is connected.
The pad of the earthing device of single face circuit board is horizontal " L " shape in the described panel TV, it has a horizontal part and a vertical component effect, described horizontal part is folded between the nut and single face board top surface of screw, and it contacts with screw, and described through hole hole is positioned on the horizontal part.
The vertical component effect of the earthing device pad of circuit board has a plurality of fork-shaped pin in the described TV, described circuit board is provided with a plurality of relative with fork-shaped placement of foot holes of drawing, described ground pads is provided with a plurality of through holes relative with drawing the hole site, described fork-shaped pin embeds and draws in hole and the through hole, and welds together with circuit board bottom surface ground wire Copper Foil.
The metal mainstay madial wall of the earthing device metallic plate of single face circuit board is provided with the screw thread that can match with screw in the described panel TV.
Compared with prior art, the earthing device of circuit board increases by a ground pad in the utility model TV, urgent with hold-down screw, the ground wire of circuit board becomes big with the area that is connected of metal mainstay, cause the electric conductivity value between circuit board ground and the metal mainstay to increase, also can reduce the probability of the loosening back of hold-down screw circuit board ground and metal mainstay disconnection on electric.
[description of drawings]
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the schematic top plan view of the earthing device of television circuit plate in the prior art.
Fig. 2 is the cross-sectional schematic of the earthing device of television circuit plate in the prior art.
Fig. 3 is the schematic top plan view of the earthing device of the utility model television circuit plate.
Fig. 4 is the cross-sectional schematic of the earthing device of the utility model television circuit plate.
Fig. 5 is the schematic top plan view before the metallic gasket distortion in the earthing device of the utility model television circuit plate.
Fig. 6 is the schematic side view after the metallic gasket distortion in the earthing device of the utility model television circuit plate.
[embodiment]
See also Fig. 3 and Fig. 4, the earthing device of the utility model television circuit plate can be used in the single face circuit board of panel TV, it lies in circuit board 3 bottom surfaces one ground wire Copper Foil 31 is set, on circuit board 3, offer the installing hole 30 that wears for screw 5, the position of described ground wire Copper Foil 31 corresponding installing holes 30 is the pad 1 of band circular hole 10, and circular hole 10 diameters of described pad 1 equal the diameter of screw 5.It below circuit board 3 metallic plate 4, the position of corresponding installing hole 30 upwards vertically extends metal mainstay 2 on this metallic plate 4, in metal mainstay 2, be provided with internal thread, to cooperate with screw 5, pad 1 part of described ground wire Copper Foil 31 contacts with metal mainstay 2 tops, also is provided with pad 6 on circuit board 3.Screw 5 passes pad 1 circular hole 10 of installing hole 30, ground wire Copper Foil 31 of through hole on the pad 6, circuit board 3 from circuit board 3 tops after, be threaded with the metal mainstay 2 of metallic plate 4, utilize the pressure of hold-down screw 5 that pad 6, pad 1 are combined with metal mainstay 2.
Difference from prior art mainly is, also be provided with a plurality of holes 32 of drawing on the circuit board 3 of the present utility model, also be provided with a plurality of through holes 310 on the described ground wire Copper Foil 31, on described through hole 310 and the circuit board 3 to draw hole 32 relative, on circuit board 3, also be provided with pad 6.
Please together consult Fig. 5 and Fig. 6, described pad 6 is horizontal " L " shape, and it has a horizontal part 61 and a vertical component effect 63.Described horizontal part 61 is folded between the nut and circuit board 3 of screw 5, and it contacts with screw 5, and the position of corresponding installing hole 30 is provided with a through hole 60 on horizontal part 61, wears for screw 5.Described vertical component effect 63 has a plurality of fork-shaped pin 62, and described fork-shaped pin 62 is inserted in the through hole 310 that draws hole 32 and ground wire Copper Foil 31 of circuit board 30, and welds together with circuit board 3 and ground wire Copper Foil 31, forms electric connecting relation.Described screw 5 passes through hole 60 on the pad 6, the installing hole 30 on the circuit board 3, the location hole 10 on the ground pads 1, embeds in the through hole of described metal mainstay 2, and the pressure of screw 5 combines pad 6, ground pads 1 to finish with metal mainstay 2 and is electrically connected.
After the earthing device of the utility model television circuit plate 3 has increased pad 6, with hold-down screw 5 urgent after, the area that is connected of the ground wire of circuit board 3 and metal mainstay 2 is that the area that adds screwing 5 nuts is amassed in the metal part partial cross-section of metal mainstay 2.Connect the area change and cause electric electric conductivity value to increase greatly, the electric conductivity value between the ground wire of circuit board 3 and the metal mainstay 2 increases.If hold-down screw 5 is urgent, is grounded device by the bottom ground pads 1 that is positioned at circuit board 3 and metal mainstay 2 and the pad 6 that is positioned at circuit board 3 top layers with hold-down screw 5 nuts two parts and is electrically connected.If hold-down screw 5 is loosening may cause the bottom ground pads 1 of circuit board 3 to break away from metal mainstay 2 time, as long as the pad 6 that is positioned on the circuit board 3 contacts as yet disengaging with the nut of hold-down screw 5, then still can guarantee certain being electrically connected to reach the purpose of electronic product ground connection, shielding, filtering, antistatic.So set the probability that pad 6 also can reduce the disconnection on electric of hold-down screw 5 loosening back circuit board 3 ground wires and metal mainstay 2.
Claims (5)
1. the earthing device of single face circuit board in the panel TV, lie in the single face circuit board bottom surface one ground wire Copper Foil is set, on circuit board, offer the installing hole that wears for screw, the position of the corresponding installing hole of described ground wire Copper Foil is a pad with holes, it below circuit board metallic plate, the position of corresponding installing hole extends upward metal mainstay on this metallic plate, the pad of described ground wire Copper Foil contacts with the metal mainstay top, it is characterized in that: board top surface also is provided with a pad, described pad contacts with screw, and is connected with circuit board and ground wire Copper Foil.
2. the earthing device of single face circuit board in the panel TV as claimed in claim 1, it is characterized in that: described pad be provided with one with installing hole and the corresponding through hole of location hole, the metal mainstay that described screw passes through hole, the installing hole on the circuit board and the Kong Houyu metallic plate on the pad on the pad is connected.
3. the earthing device of single face circuit board in the panel TV as claimed in claim 2, it is characterized in that: described pad is horizontal " L " shape, it has a horizontal part and a vertical component effect, described horizontal part is folded between the nut and single face board top surface of screw, it contacts with screw, and described through hole hole is positioned on the horizontal part.
4. the earthing device of circuit board in the TV as claimed in claim 3, it is characterized in that: the vertical component effect of described pad has a plurality of fork-shaped pin, described circuit board is provided with a plurality of relative with fork-shaped placement of foot holes of drawing, described ground pads is provided with a plurality of through holes relative with drawing the hole site, described fork-shaped pin embeds and draws in hole and the through hole, and welds together with circuit board bottom surface ground wire Copper Foil.
5. as the earthing device of single face circuit board in each described panel TV in the claim 1 to 4, it is characterized in that: the metal mainstay madial wall of described metallic plate is provided with the screw thread that can match with screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200153154U CN200956410Y (en) | 2006-10-19 | 2006-10-19 | Single-sided PCB earthing device for flat screen television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200153154U CN200956410Y (en) | 2006-10-19 | 2006-10-19 | Single-sided PCB earthing device for flat screen television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200956410Y true CN200956410Y (en) | 2007-10-03 |
Family
ID=38774993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200153154U Expired - Fee Related CN200956410Y (en) | 2006-10-19 | 2006-10-19 | Single-sided PCB earthing device for flat screen television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200956410Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103221990A (en) * | 2010-11-17 | 2013-07-24 | 夏普株式会社 | Display unit |
| CN105409065A (en) * | 2013-07-16 | 2016-03-16 | 菲尼克斯电气公司 | Contact device for establishing an electrical connection to a contact point of a printed circuit board |
| CN106132083A (en) * | 2016-06-28 | 2016-11-16 | 广东欧珀移动通信有限公司 | PCB board assembly and mobile terminal |
| CN106163085A (en) * | 2016-06-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | PCB board assembly and mobile terminal |
| CN106816733A (en) * | 2015-11-27 | 2017-06-09 | 上海贝尔股份有限公司 | Radio frequency connection device and radio frequency communication devices |
| CN107834216A (en) * | 2017-10-24 | 2018-03-23 | 广东欧珀移动通信有限公司 | Terminal device, circuit board arrangement and its connection component, connector |
-
2006
- 2006-10-19 CN CNU2006200153154U patent/CN200956410Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103221990A (en) * | 2010-11-17 | 2013-07-24 | 夏普株式会社 | Display unit |
| CN103221990B (en) * | 2010-11-17 | 2016-01-20 | 夏普株式会社 | Display device |
| CN105409065A (en) * | 2013-07-16 | 2016-03-16 | 菲尼克斯电气公司 | Contact device for establishing an electrical connection to a contact point of a printed circuit board |
| CN105409065B (en) * | 2013-07-16 | 2018-05-18 | 菲尼克斯电气公司 | For establishing the contact device of electrical connection with the contact of printed circuit board |
| CN106816733A (en) * | 2015-11-27 | 2017-06-09 | 上海贝尔股份有限公司 | Radio frequency connection device and radio frequency communication devices |
| CN106132083A (en) * | 2016-06-28 | 2016-11-16 | 广东欧珀移动通信有限公司 | PCB board assembly and mobile terminal |
| CN106163085A (en) * | 2016-06-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | PCB board assembly and mobile terminal |
| CN107834216A (en) * | 2017-10-24 | 2018-03-23 | 广东欧珀移动通信有限公司 | Terminal device, circuit board arrangement and its connection component, connector |
| CN107834216B (en) * | 2017-10-24 | 2020-03-31 | Oppo广东移动通信有限公司 | Terminal device, circuit board device and connecting assembly and connecting piece thereof |
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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: 20071003 Termination date: 20131019 |