CN205005341U - Simple grounding connection structure of electronic element on circuit board - Google Patents
Simple grounding connection structure of electronic element on circuit board Download PDFInfo
- Publication number
- CN205005341U CN205005341U CN201520754314.0U CN201520754314U CN205005341U CN 205005341 U CN205005341 U CN 205005341U CN 201520754314 U CN201520754314 U CN 201520754314U CN 205005341 U CN205005341 U CN 205005341U
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- China
- Prior art keywords
- circuit board
- ground connection
- grounding
- hole
- earth stud
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910052802 copper Inorganic materials 0.000 claims abstract description 66
- 239000010949 copper Substances 0.000 claims abstract description 66
- 239000004568 cement Substances 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model relates to the technical field of grounding detection, in particular to a simple grounding connection structure of electronic elements on a circuit board; the utility model discloses an electronic component's simple and easy ground connection structure on circuit board is including fixing ground connection copper bar and first earth bolt, the second earth bolt at the circuit board back. In the utility model, the first grounding bolt and the second grounding bolt fall into the through hole on the circuit board through the plastic positioning hole on the case, and then the first grounding bolt or the second grounding bolt is screwed by the screwdriver, so that the first grounding bolt passes through one through hole to be connected with one threaded hole and is tightly attached to the piezoresistor grounding copper sheet, the second grounding bolt passes through the other through hole to be connected with the other threaded hole and is tightly attached to the safety capacitor grounding copper sheet, thereby realizing the grounding of the piezoresistor grounding copper sheet and the safety capacitor grounding copper sheet; the utility model discloses simple structure, ground connection convenient operation has also saved the space that quick-witted case set up the circuit board. [ b ]
Description
Technical field
the utility model relates to earthing detection technical field, particularly the simple and easy ground connection structure of electronic element on circuit board.
Background technology
in a lot of electronic equipment, need to test the related elements on circuit board and debug, such as need carry out playing Hi-pot test and curstomer's site debugging to the ground connection of the non-major loops such as piezo-resistance and safety electric capacity, in this test and debug process, need said elements to select ground connection or disconnection.
in existing electronic equipment, hard wire jumper is mostly used to connect or use contact pin, inserted sheet connected mode ground connection; In the connected mode using hard wire jumper ground connection, when not needing ground connection, wire jumper is cut off, this process is irreversible, namely has no progeny between wire jumper and can not reconnect ground connection, cannot realize repeatedly testing and debugging.In use contact pin, inserted sheet ground connection schemes, often need to open casing and carry out plug operation, casing reinstalls by end of operation again, relatively bothers.
patent name is a kind of Chinese utility model patent of ground connection structure (notification number is CN202773185U) of electronic element on circuit board, disclose a kind of ground connection structure of electronic element on circuit board, comprise the common ground terminal and element ground terminal fixed on circuit boards, wherein: described common ground terminal ground; Described element ground terminal electrical connection electronic component; Between described common ground terminal and element ground terminal, there is gap and in described common ground terminal and element ground terminal one across standing in above another; One that is positioned at top in described common ground terminal and element ground terminal has through hole; Described common ground terminal and element ground terminal realize electrical connection by the attachment screw being also electrically connected this common ground terminal and element ground terminal through described through hole respectively.This technical scheme more complicated, it is larger that ground connection structure occupies space, thus cabinet volume is increased, during ground connection, the shell of casing is easily made to sustain damage, and during ground connection, make attachment screw and common ground terminal and element ground termination contact ground connection unstable, be not easy derived circuit intralamellar part electronic component ground connection.
Summary of the invention
in order to overcome deficiency described above, the purpose of this utility model be to provide that a kind of structure is simple, ground connection is easy to operate and easily stable, the simple and easy ground connection structure that cabinet arranges the electronic element on circuit board in the space of circuit board can be saved.
the technical scheme in the invention for solving the technical problem is:
the simple and easy ground connection structure of electronic element on circuit board, be arranged in cabinet, wherein, comprise the grounding copper bar being fixed on back of circuit board and the first earth stud, the second earth stud that are connected with described grounding copper bar, described circuit board is provided with piezo-resistance ground connection copper sheet, safety capacity earth copper sheet and two through holes, the EDGE CONTACT of a through hole and described piezo-resistance ground connection copper sheet, the EDGE CONTACT of another through hole and described safety capacity earth copper sheet; Described grounding copper bar is provided with two screwed holes corresponding with described through hole; Described cabinet is provided with the plastic cement location hole of corresponding described through hole; Described first earth stud to be connected with described grounding copper bar by a through hole and a screwed hole and to be close to described piezo-resistance ground connection copper sheet, and described second earth stud to be connected with described grounding copper bar by another through hole and another screwed hole and to be close to described safety capacity earth copper sheet.
improve as one of the present utility model, described grounding copper bar is weldingly fixed on described circuit board.
as further improvement of the utility model, the material of described first earth stud and the second earth stud is conductive metallic material.
further improve as of the present utility model, described first earth stud and the second earth stud are fixedly installed conductive spacer.
further improve as of the present utility model, described first earth stud and the second earth stud are M3 bolt.
in the utility model, first earth stud and the second earth stud are all by plastic cement location hole on cabinet, fall into on the through hole on circuit board, the first earth stud or the second earth stud is twisted again with screwdriver, the first earth stud is made to be connected with a screwed hole through a through hole and to be close to piezo-resistance ground connection copper sheet, second earth stud is connected with another screwed hole through another through hole and is close to safety capacity earth copper sheet, thus realizes the ground connection of piezo-resistance ground connection copper sheet and safety capacity earth copper sheet; Grounding copper bar of the present utility model is fixedly connected on the back side of circuit board, in order to be the space saving cabinet mounting circuit boards, and facilitate the first earth stud, the second earth stud that ground connection is drawn in the electrical connection of piezo-resistance ground connection copper sheet, safety capacity earth copper sheet, thus matching requirements are declined, do not need too high, just energy ground connection; In the utility model, cabinet arranges plastic cement location hole, avoids the first earth stud, the second earth stud makes casing sustain damage; The utility model structure is simple, and ground connection is easy to operate, also saves the space that cabinet arranges circuit board.
Accompanying drawing explanation
for ease of illustrating, the utility model is described in detail by following preferred embodiment and accompanying drawing.
fig. 1 is structural representation of the present utility model;
fig. 2 is explosive view of the present utility model;
fig. 3 is the schematic diagram that the utility model is applied in cabinet;
reference numeral: 101-circuit board, 102-grounding copper bar, 103-first earth stud, 104-second earth stud, 105-screwed hole, 106-conductive spacer, 201-through hole, 202-piezo-resistance ground connection copper sheet, 203-safety capacity earth copper sheet, 301-cabinet, 302-plastic cement location hole.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
as shown in Figure 1, Figure 2 and Figure 3, the simple and easy ground connection structure of electronic element on circuit board of the present utility model, is arranged in cabinet 301.
the simple and easy ground connection structure of electronic element on circuit board of the present utility model, comprises the grounding copper bar 102 being fixed on circuit board 101 back side and the first earth stud 103, second earth stud 104 be connected with grounding copper bar 102.
circuit board 101 of the present utility model is provided with piezo-resistance ground connection copper sheet 202, safety capacity earth copper sheet 203 and two through holes 201, the EDGE CONTACT of one of them through hole 201 and piezo-resistance ground connection copper sheet 202, the EDGE CONTACT of another through hole 201 and safety capacity earth copper sheet 203; Grounding copper bar 102 is provided with two screwed holes 105 corresponding with through hole 201; Cabinet 301 is provided with the plastic cement location hole 302 of corresponding through hole 201; First earth stud 103 is connected with a screwed hole 105 through a through hole 201 and is close to piezo-resistance ground connection copper sheet 202, second earth stud 104 and is connected with another screwed hole 105 through another through hole 201 and is close to safety capacity earth copper sheet 203.In the utility model, first earth stud 103 and the second earth stud 104 all pass through plastic cement location hole 302 on cabinet 301, fall into on the through hole 201 on circuit board 101, the first earth stud 103 or the second earth stud 104 is twisted again with screwdriver, the first earth stud 103 is made to be connected with a screwed hole 105 through a through hole 201 and to be close to piezo-resistance ground connection copper sheet 202, second earth stud 104 is connected with another screwed hole 105 through another through hole 201 and is close to safety capacity earth copper sheet 203, thus realize the ground connection of piezo-resistance ground connection copper sheet 202 and safety capacity earth copper sheet 203, in the utility model, cabinet 301 arranges plastic cement location hole 302, in order to avoid the first earth stud 103, second earth stud 104 scrapes the shell of cabinet 301, the shell of cabinet 301 being scratched, also with screwdriver stubborn first earth stud 103, second earth stud 104, cabinet 301 being sustained damage to make, grounding copper bar 102 is fixedly connected on the back side of circuit board 101, in order to be the space saving cabinet 301 mounting circuit boards 101, and facilitate the first earth stud 103, second earth stud 104 that ground connection is drawn in the electrical connection of piezo-resistance ground connection copper sheet 202, safety capacity earth copper sheet 203, thus matching requirements are declined, do not need too high, just energy ground connection, screwed hole 105 on grounding copper bar 102 conveniently tightens the first earth stud 103, second earth stud 104, thus the first earth stud 103 is close to piezo-resistance ground connection copper sheet 202, second earth stud 104 and is close to safety capacity earth copper sheet 203.
the utility model provides a kind of connected mode of grounding copper bar 102, and grounding copper bar 102 is weldingly fixed on circuit board 101, fixing-stable, also relatively good installation.
in order to carry out grounding connection better, the material of the first earth stud 103 and the second earth stud 104 is conductive metallic material.
first earth stud 103 and the second earth stud 104 are fixedly installed conductive spacer 106.
the utility model provides a kind of execution mode of the first earth stud 103 and the second earth stud 104, and the first earth stud 103 and the second earth stud 104 are M3 bolt.
assembling process of the present utility model and operation principle:
grounding copper bar 102 is fixed by welding on circuit board (pcb board) 101, with the first earth stud 103 in screw knife-band, by plastic cement location hole 302 place, by through hole 201, be fixed on the screwed hole 105 of grounding copper bar 102, first earth stud 103 is connected with piezo-resistance copper sheet 202 conducting, realizes the connection of piezo-resistance ground connection.With screwdriver, the first earth stud 103 is departed from from grounding copper bar 102; Then the second earth stud 104 is connected with the conducting of safety electric capacity copper sheet 203, realizes safety capacity earth and be communicated with; Also the first earth stud 103, second earth stud 104 can be connected with grounding copper bar 102 simultaneously simultaneously, realize piezo-resistance and be communicated with ground connection while of safety electric capacity.
whole assembling only uses screwdriver and the first earth stud 103, second earth stud 104 just can the conducting for electronic component of completing user and disconnection, and whole process need not open the case, user-friendly.
the utility model assembly structure is simple, easy for installation, cost is low, and current vector frequency converter is applied, user operation is convenient, need not open the case in situation, with screwdriver bolt simply tightened and unclamp ground connection and the disconnection that disengaging just achieves electronic component.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. the simple and easy ground connection structure of electronic element on circuit board, be arranged in cabinet, it is characterized in that, comprise the grounding copper bar being fixed on back of circuit board and the first earth stud, the second earth stud that are connected with described grounding copper bar, described circuit board is provided with piezo-resistance ground connection copper sheet, safety capacity earth copper sheet and two through holes, the EDGE CONTACT of a through hole and described piezo-resistance ground connection copper sheet, the EDGE CONTACT of another through hole and described safety capacity earth copper sheet; Described grounding copper bar is provided with two screwed holes corresponding with described through hole; Described cabinet is provided with the plastic cement location hole of corresponding described through hole; Described first earth stud to be connected with described grounding copper bar by a through hole and a screwed hole and to be close to described piezo-resistance ground connection copper sheet, and described second earth stud to be connected with described grounding copper bar by another through hole and another screwed hole and to be close to described safety capacity earth copper sheet.
2.
the simple and easy ground connection structure of electronic element on circuit board according to claim 1, is characterized in that, described grounding copper bar is weldingly fixed on described circuit board.
3.
the simple and easy ground connection structure of electronic element on circuit board according to claim 2, is characterized in that, the material of described first earth stud and the second earth stud is conductive metallic material.
4.
the simple and easy ground connection structure of electronic element on circuit board according to claim 3, is characterized in that, described first earth stud and the second earth stud are fixedly installed conductive spacer.
5.
the simple and easy ground connection structure of electronic element on circuit board according to claim 4, is characterized in that, described first earth stud and the second earth stud are M3 bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520754314.0U CN205005341U (en) | 2015-09-28 | 2015-09-28 | Simple grounding connection structure of electronic element on circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520754314.0U CN205005341U (en) | 2015-09-28 | 2015-09-28 | Simple grounding connection structure of electronic element on circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205005341U true CN205005341U (en) | 2016-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520754314.0U Active CN205005341U (en) | 2015-09-28 | 2015-09-28 | Simple grounding connection structure of electronic element on circuit board |
Country Status (1)
| Country | Link |
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| CN (1) | CN205005341U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167308A (en) * | 2019-05-27 | 2019-08-23 | 珠海格力电器股份有限公司 | Mounting structure, electrical apparatus box and indirect heating equipment |
| CN110299265A (en) * | 2019-05-06 | 2019-10-01 | 上海空间电源研究所 | Relay is mounted on high resistance ground structure and its installation method in printed board |
| CN110474176A (en) * | 2019-08-21 | 2019-11-19 | 上海辛格林纳新时达电机有限公司 | The ground connection conduction device and high-voltage power unit of high-voltage power unit |
| US11956888B2 (en) | 2021-02-02 | 2024-04-09 | Delta Electronics, Inc. | Electronic device and grounding assembly thereof |
-
2015
- 2015-09-28 CN CN201520754314.0U patent/CN205005341U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299265A (en) * | 2019-05-06 | 2019-10-01 | 上海空间电源研究所 | Relay is mounted on high resistance ground structure and its installation method in printed board |
| CN110299265B (en) * | 2019-05-06 | 2021-10-15 | 上海空间电源研究所 | High-resistance grounding structure for relay mounted on printed board and its mounting method |
| CN110167308A (en) * | 2019-05-27 | 2019-08-23 | 珠海格力电器股份有限公司 | Mounting structure, electrical apparatus box and indirect heating equipment |
| CN110474176A (en) * | 2019-08-21 | 2019-11-19 | 上海辛格林纳新时达电机有限公司 | The ground connection conduction device and high-voltage power unit of high-voltage power unit |
| CN110474176B (en) * | 2019-08-21 | 2024-05-14 | 上海辛格林纳新时达电机有限公司 | High-voltage power unit and grounding conduction device thereof |
| US11956888B2 (en) | 2021-02-02 | 2024-04-09 | Delta Electronics, Inc. | Electronic device and grounding assembly thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |