CN203027595U - Grounding device of printed circuit board and electronic device - Google Patents
Grounding device of printed circuit board and electronic device Download PDFInfo
- Publication number
- CN203027595U CN203027595U CN201220695738.0U CN201220695738U CN203027595U CN 203027595 U CN203027595 U CN 203027595U CN 201220695738 U CN201220695738 U CN 201220695738U CN 203027595 U CN203027595 U CN 203027595U
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- circuit board
- printed circuit
- pcb
- conductor
- electric
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Abstract
The utility model discloses a grounding device of a printed circuit board and an electronic device. The grounding device comprises a hardware shell and a conductive part fixedly connected with the hardware shell, wherein the conductive part is connected with each grounding end of the printed circuit board. The conductive part is connected with the grounding ends of the printed circuit board and is fixed on the hardware shell, so that the grounding end of each loop in the printed circuit board can be connected to the hardware shell through the conductive part so as to realize zero potential of the grounding end of each loop. Compared with a grounding mode of a printed circuit board in the prior art, the grounding device of the printed circuit board has the advantages that the length of a grounding wire is shortened, the contact resistance is reduced, and furthermore, the grounding effect of the printed circuit board is improved.
Description
Technical field
The utility model relates to electronic technology field, particularly a kind of earthing device of printed circuit board (PCB) and electronic installation.
Background technology
In order to realize the zero potential of the earth terminal in each loop in printed circuit board (PCB), the earthing mode that in prior art, printed circuit board (PCB) adopts usually is: the earth terminal in each loop on printed circuit board (PCB) is connected to the earth terminal of plug by earth connection, coordinate with socket by plug again, be that earth terminal inserts the grounding ports in socket, and then be connected with the earth, be grounded the zero potential of end.
In prior art, there are the following problems for the above-mentioned earthing mode of printed circuit board (PCB): earth connection is long, and contact resistance is larger, thereby causes the earthing effect of printed circuit board (PCB) limited.
The utility model content
Main purpose of the present utility model is to provide a kind of earthing device of printed circuit board (PCB), is intended to improve the earthing effect of printed circuit board (PCB).
The utility model provides a kind of earthing device of printed circuit board (PCB), comprises five metals housing and the electric-conductor that is fixedly connected with described five metals housing, and described electric-conductor is connected with earth terminal on described printed circuit board (PCB).
Preferably, described electric-conductor and described printed circuit board (PCB) are welded and fixed by crossing stove.
Preferably, described electric-conductor is lamination layer structure, and its internal layer is that steel layer, skin are tin coating.
Preferably, described electric-conductor comprises the first connecting plate and is connected to the second connecting plate and the 3rd connecting plate of described the first connecting plate both sides, offer internal thread hole on described the first connecting plate, extend respectively contact pin on described the second connecting plate and described the 3rd connecting plate.
Preferably, offer the connecting hole corresponding with described internal thread hole on described five metals housing, screw passes described connecting hole and described internal thread hole is tightened; Offer the jack corresponding with described contact pin on described printed circuit board (PCB), described contact pin is welded in corresponding described jack.
The utility model also provides a kind of electronic installation, comprise housing and be located at printed circuit board (PCB) in described housing, described housing is hardware, and described electronic installation also comprises electric-conductor, and described electric-conductor is fixedly connected with described five metals housing and is connected with earth terminal on described printed circuit board (PCB).
Preferably, described electric-conductor and described printed circuit board (PCB) are welded and fixed by crossing stove.
Preferably, described electric-conductor is lamination layer structure, and its internal layer is that steel layer, skin are tin coating.
Preferably, described five metals housing offers connecting hole, and described electric-conductor is provided with internal thread hole and contact pin, and screw passes described connecting hole and described internal thread hole is tightened, and described contact pin is fixed on described printed circuit board (PCB).
Preferably, described electronic installation is television set, DVD or VCD.
The earthing device of printed circuit board (PCB) disclosed in the utility model, be connected with earth terminal on printed circuit board (PCB) by electric-conductor, and electric-conductor is fixed on the five metals housing, the earth terminal in each loop in printed circuit board (PCB) can be connected on the five metals housing by electric-conductor, realize the zero potential of the earth terminal in each loop.The earthing mode of printed circuit board (PCB) in relative prior art, the earthing device of the utility model printed circuit board (PCB) has shortened the length of earth connection, has reduced contact resistance, and then has improved the earthing effect of printed circuit board (PCB).
Description of drawings
Fig. 1 is the structural representation of the earthing device of the utility model printed circuit board (PCB);
Fig. 2 is the structural representation of electric-conductor in the earthing device of the utility model printed circuit board (PCB).
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
With reference to Fig. 1, Fig. 1 is the structural representation of the earthing device of the utility model printed circuit board (PCB).The earthing device of the utility model printed circuit board (PCB), it comprises electric-conductor 2 and five metals housing 3, electric-conductor 2 is fixedly attached on five metals housing 3 and is connected with earth terminal on printed circuit board (PCB) 1, be used for the earth terminal in printed circuit board (PCB) 1 each loop is connected to hardware casing 3, realize the zero potential of the earth terminal in each loop.
The earthing device of printed circuit board (PCB) disclosed in the utility model, be connected with earth terminal on printed circuit board (PCB) 1 by electric-conductor 2, and electric-conductor 2 is fixed on five metals housing 3, the earth terminal in each loop in printed circuit board (PCB) 1 can be connected on five metals housing 3 by electric-conductor 2, realize the zero potential of the earth terminal in each loop.The earthing mode of printed circuit board (PCB) in relative prior art, the earthing device of the utility model printed circuit board (PCB) has shortened the length of earth connection, has reduced contact resistance, and then has improved the earthing effect of printed circuit board (PCB).
In specific embodiment, the electric-conductor 2 in the earthing device of the utility model printed circuit board (PCB) was the stove welding with the fixed form of printed circuit board (PCB) 1.After electric-conductor 2 and printed circuit board (PCB) 1 is fixing, can also strengthen the bonding strength between printed circuit board (PCB) 1 and hardware casing 3, make fixing more firm and stable between printed circuit board (PCB) 1 and hardware casing 3.Certainly in other embodiments, electric-conductor 2 can be for pegging graft or being clamping with the fixed form of printed circuit board (PCB) 1.
In a preferred embodiment, electric-conductor 2 is lamination layer structure, and its internal layer is that steel layer, skin are tin coating.The internal layer of electric-conductor 2 is the steel layer, and its any surface finish is without rust staining, and the internal layer of electric-conductor 2 can be specifically SECC material or SPCC material.When electric-conductor 2 was welded and fixed by crossing stove with printed circuit board (PCB) 1, the electroplating surfaces with tin of electric-conductor 2 was conducive to electric-conductor 2 and printed circuit board (PCB) 1 are welded together.
The concrete structure of electric-conductor 2 can be in conjunction with reference Fig. 2, Fig. 2 is the structural representation of electric-conductor in the earthing device of the utility model printed circuit board (PCB), in this embodiment, electric-conductor 2 comprises the first connecting plate 21, the second connecting plate 22 and the 3rd connecting plate 23, the second connecting plate 22 and the 3rd connecting plate 23 are vertically connected on respectively the both sides of the first connecting plate 21, offer internal thread hole 211 on the first connecting plate 21, be extended with on the second connecting plate 22 on contact pin 221, the three connecting plates 23 and be extended with contact pin 231.On the one hand, electric-conductor 2 passes the connecting hole be located on printed circuit board (PCB) 1 and tightens with internal thread hole 211 and realize being fixedly connected with five metals housing 3 by screw 4; On the other hand, electric-conductor 2 inserts by contact pin 221,231 jack of being located on printed circuit board (PCB) 1, then contact pin 221,231 is welded in this jack, realizes being fixedly connected with printed circuit board (PCB) 1.
Understandable, electric-conductor 2 is not limited to said structure, as long as electric-conductor 2 realize is fixed with five metals housing 3 and is connected with earth terminal on printed circuit board (PCB), need not to arrange the second connecting plate 22 and the 3rd connecting plate 23 as electric-conductor 2, only need offer internal thread hole and got final product by the first extended contact pin of connecting plate 21 on the first connecting plate 21.Certainly electric-conductor 2 also is not limited to be spirally connected with the fixed form of five metals housing 3, can also be clamping, riveted joint or welding etc.
The utility model embodiment also discloses a kind of electronic installation, it comprises the earthing device of printed circuit board (PCB) and printed circuit board (PCB), the earthing device of this printed circuit board (PCB) is the earthing device of any printed circuit board (PCB) in above-described embodiment, specifically can with reference in Fig. 1, Fig. 2 and above-described embodiment to the description of the earthing device of printed circuit board (PCB), do not repeat them here.The earthing device that comprises the printed circuit board (PCB) in above-described embodiment due to the electronic installation in the present embodiment, so it has all advantages of the earthing device of the printed circuit board (PCB) in above-described embodiment, as shortened the length of earth connection, reduced contact resistance, improved the earthing effect of printed circuit board (PCB), strengthen simultaneously the bonding strength between printed circuit board (PCB) and hardware casing, make fixing more firm and stable between printed circuit board (PCB) and hardware casing.
Electronic installation in the present embodiment can be any equipment that comprises printed circuit board (PCB), as television set, DVD or VCD.
The above is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (10)
1. the earthing device of a printed circuit board (PCB), is characterized in that, comprises five metals housing and the electric-conductor that is fixedly connected with described five metals housing, and described electric-conductor is connected with earth terminal on described printed circuit board (PCB).
2. earthing device according to claim 1, is characterized in that, described electric-conductor and described printed circuit board (PCB) are welded and fixed by crossing stove.
3. earthing device according to claim 2, is characterized in that, described electric-conductor is lamination layer structure, and its internal layer is that steel layer, skin are tin coating.
4. the described earthing device of according to claim 1 to 3 any one, it is characterized in that, described electric-conductor comprises the first connecting plate and is connected to the second connecting plate and the 3rd connecting plate of described the first connecting plate both sides, offer internal thread hole on described the first connecting plate, extend respectively contact pin on described the second connecting plate and described the 3rd connecting plate.
5. earthing device according to claim 4, is characterized in that, offers the connecting hole corresponding with described internal thread hole on described five metals housing, and screw passes described connecting hole and described internal thread hole is tightened; Offer the jack corresponding with described contact pin on described printed circuit board (PCB), described contact pin is welded in corresponding described jack.
6. electronic installation, comprise housing and be located at printed circuit board (PCB) in described housing, it is characterized in that, described housing is hardware, described electronic installation also comprises electric-conductor, and described electric-conductor is fixedly connected with described five metals housing and is connected with earth terminal on described printed circuit board (PCB).
7. electronic installation according to claim 6, is characterized in that, described electric-conductor and described printed circuit board (PCB) are welded and fixed by crossing stove.
8. electronic installation according to claim 7, is characterized in that, described electric-conductor is lamination layer structure, and its internal layer is that steel layer, skin are tin coating.
9. the described electronic installation of according to claim 6 to 8 any one, it is characterized in that, described five metals housing offers connecting hole, and described electric-conductor is provided with internal thread hole and contact pin, screw passes described connecting hole and described internal thread hole is tightened, and described contact pin is fixed on described printed circuit board (PCB).
10. electronic installation according to claim 9, is characterized in that, described electronic installation is television set, DVD or VCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220695738.0U CN203027595U (en) | 2012-12-14 | 2012-12-14 | Grounding device of printed circuit board and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220695738.0U CN203027595U (en) | 2012-12-14 | 2012-12-14 | Grounding device of printed circuit board and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203027595U true CN203027595U (en) | 2013-06-26 |
Family
ID=48651533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220695738.0U Expired - Fee Related CN203027595U (en) | 2012-12-14 | 2012-12-14 | Grounding device of printed circuit board and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203027595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684138A (en) * | 2018-06-01 | 2018-10-19 | 苏州古柏利电子科技有限公司 | A kind of new electronic component earthing or grounding means |
-
2012
- 2012-12-14 CN CN201220695738.0U patent/CN203027595U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684138A (en) * | 2018-06-01 | 2018-10-19 | 苏州古柏利电子科技有限公司 | A kind of new electronic component earthing or grounding means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20191214 |