CN214901445U - Board card golden finger structure convenient for hot plugging - Google Patents
Board card golden finger structure convenient for hot plugging Download PDFInfo
- Publication number
- CN214901445U CN214901445U CN202121231415.1U CN202121231415U CN214901445U CN 214901445 U CN214901445 U CN 214901445U CN 202121231415 U CN202121231415 U CN 202121231415U CN 214901445 U CN214901445 U CN 214901445U
- Authority
- CN
- China
- Prior art keywords
- golden finger
- board
- conductive contact
- board card
- contact piece
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a integrated circuit board golden finger structure convenient to hot plug, including integrated circuit board, weak current mother board and forceful electric power mother board, the golden finger base has all been welded on the surface of weak current mother board and forceful electric power mother board, and the surface of integrated circuit board is provided with the golden finger group supporting with the golden finger base, and golden finger group comprises a plurality of conductive contact pieces, and a plurality of conductive contact pieces are arranged for the notch cuttype and length has three kinds of specifications, and the longest conductive contact piece is ground contact piece, and the conductive contact piece of inferior length is power contact piece, and the shortest conductive contact piece is the signal of telecommunication contact piece. According to the golden finger structure of the board card, after the ground contact of the board card and the ground pin of the device are firstly connected and pulled to be flush with the electric level to form the equipotential, the board card and the strong current motherboard have no problems of pressure difference and the like, the technical problem of hot plug and pull between the board card and the strong current motherboard is solved, board card level plug and play can be realized on equipment hardware, board card maintenance of the equipment is facilitated, equipment operation and maintenance efficiency is improved, and daily operation and maintenance workload and operation and maintenance difficulty are reduced.
Description
Technical Field
The utility model relates to a circuit design technical field especially relates to an integrated circuit board golden finger structure convenient to hot plug.
Background
The hot plug is an operation which is frequently needed for maintaining or replacing a hardware device with a fault when the hardware device has the fault, and particularly when the hardware device has the fault and the whole device is positioned in a core network, the whole device cannot be taken out of the fault device after being powered off, and the hot plug is necessary for the hardware with the fault.
The scheme of the existing measurement and control equipment does not consider uninterrupted operation and maintenance of the board card and electrothermal plugging of the board card strip, and various power supplies are required to be turned off when each board card is processed, so that various problems can be caused, and if the board card is not operated correctly, the circuit fault can be caused.
When a board card is plugged in and out in a hot-line mode generally, voltage changes can be generated on the circuit of the board card, the voltage changes can be superposed to a certain point to generate a discharge phenomenon, and discharge current can possibly burn components such as chips on the board card.
Therefore, the utility model provides a integrated circuit board golden finger structure convenient to hot plug.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a board card golden finger structure convenient for live plug.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a card golden finger structure convenient for hot plugging comprises a card, a weak current mother board and a strong current mother board, wherein golden finger bases are welded on the surfaces of the weak current mother board and the strong current mother board, golden finger groups matched with the golden finger bases are arranged on the surface of the card, the golden finger groups consist of a plurality of conductive contact pieces, the conductive contact pieces are distributed in a step shape, the lengths of the conductive contact pieces are of three specifications, the longest conductive contact piece is a grounding contact piece, the second longest conductive contact piece is a power supply contact piece, and the shortest conductive contact piece is an electric signal contact piece; the length and the distribution position of the stitch inside the golden finger base correspond to the length and the distribution position of the conductive contact pieces one by one.
Preferably, the board card is inserted into the inside of the golden finger base through a plurality of conductive contact pieces and electrically connected with the weak current motherboard.
Preferably, the board card is inserted into the golden finger base through a plurality of conductive contact pieces to be electrically connected with the strong current motherboard, and the internal grounding pins of the golden finger base on the surface of the strong current motherboard are electrically connected with the external grounding device.
The utility model discloses following beneficial effect has:
1. the utility model provides an integrated circuit board golden finger structure, integrated circuit board ground contact and device ground stitch put through earlier draw neat level to form the equipotential after, the integrated circuit board just does not have pressure differential scheduling problem with the forceful electric power mother board to solved the technical problem that the electrified mortiser was pulled out between integrated circuit board and forceful electric power mother board, can realize the plug and play of integrated circuit board level on equipment hardware, be favorable to the integrated circuit board maintenance of equipment, improved the fortune of equipment maintenance efficiency greatly, reduce daily fortune and maintain work load and fortune and maintain the degree of difficulty.
2. The utility model provides an integrated circuit board golden finger structure, integrated circuit board adopt golden finger special design notch cuttype shape, and weak current, forceful electric power mother board adopt the base mode, solve the electrified plug of integrated circuit board and burn the components and parts problems such as integrated circuit board chip, are favorable to electrified maintenance operation and equipment debugging.
Drawings
FIG. 1 is a schematic diagram of the connection between the board card and the weak current motherboard and the strong current motherboard;
FIG. 2 is a schematic view of a gold finger base mounting of a weak current motherboard;
FIG. 3 is a schematic diagram of a golden finger pad of the ferroelectric motherboard.
In the figure: 1 board card, 2 weak current mother boards, 3 strong current mother boards, 4 golden finger bases, 5 grounding contact pieces, 6 power supply contact pieces and 7 electric signal contact pieces.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a board card golden finger structure convenient for hot plugging comprises a board card 1, a weak current mother board 2 and a strong current mother board 3, wherein golden finger bases 4 are welded on the surfaces of the weak current mother board 2 and the strong current mother board 3, a golden finger group matched with the golden finger bases 4 is arranged on the surface of the board card 1, the golden finger group consists of a plurality of conductive contact pieces, the conductive contact pieces are arranged in a step shape, the lengths of the conductive contact pieces are of three specifications, the longest conductive contact piece is a grounding contact piece 5, the second longest conductive contact piece is a power supply contact piece 6, and the shortest conductive contact piece is an electric signal contact piece 7; the length and the distribution position of the pins in the golden finger base 4 correspond to the length and the distribution position of the conductive contact pieces one by one.
The board card 1 is electrically connected with the weak current motherboard 2 by inserting a plurality of conductive contact pieces into the gold finger base 4, the board card 1 is electrically connected with the strong current motherboard 3 by inserting a plurality of conductive contact pieces into the gold finger base 4, and the grounding pin inside the gold finger base 4 on the surface of the strong current motherboard 3 is electrically connected with the external grounding device.
The connection mode of each board card 1 and the weak current mother board 2 of the device adopts a golden finger mode, the connection part on the card adopts a golden finger with a unique design, the weak current mother board 2 is welded with a golden finger base 4, and the board card 1 can be connected by directly inserting into the golden finger base 4 on the mother board.
The golden fingers on the board card 1 are designed into a shape with different step sizes, the longest is that the board card 1 is grounded, the next longest is that the board card 1 is powered, the shortest part is a measured electric signal, and the bases on the weak current motherboard 2 are correspondingly defined as ground, a power supply and a measured electric signal.
When the board card 1 is inserted into a golden finger on the internal weak current motherboard 2, the longest ground contact is firstly inserted into the base, the ground of the board card 1 and the ground of the weak current motherboard 2 are firstly connected, the ground level is pulled to be flush with the basic level, and the board card 1 and the weak current motherboard 2 form an equipotential, so that the pressure difference formed between the board card 1 and the weak current motherboard 2 is avoided.
Then, the power supplies of the board card 1 and the weak current motherboard 2 are sequentially switched on, and arc discharge does not occur because equipotential is formed. Finally, the measurement isoelectric signals are connected, and the hot-plugging function of the board card 1 is realized in the whole process.
The connection mode of the board 1 and the strong power motherboard 3 is the same as that of the weak power motherboard 2, and the lengths of the ground, the power supply and the signal fingers of the board 1 and the strong power motherboard 3 are designed in the order from long to short.
The grounding parts of the board card 1 and the strong power motherboard 3 are independently designed to be in grounding positions with the device ground. After the board 1 ground and the device ground are firstly connected and pulled to be level to form equipotential, the problems of pressure difference and the like do not exist between the board 1 and the strong electric motherboard 3, and therefore the technical problem of live-line plugging between the board 1 and the strong electric motherboard 3 is solved.
The 1-level plug-and-play of the board card can be realized on the hardware of the equipment, the maintenance of the board card 1 of the equipment is facilitated, the operation and maintenance efficiency of the equipment is greatly improved, and the daily operation and maintenance workload and the operation and maintenance difficulty are reduced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a board card golden finger structure convenient to hot plug, includes board card (1), light current mother board (2) and forceful electric power mother board (3), its characterized in that: golden finger bases (4) are welded on the surfaces of the weak current mother board (2) and the strong current mother board (3), a golden finger group matched with the golden finger bases (4) is arranged on the surface of the board card (1), the golden finger group is composed of a plurality of conductive contact pieces, the conductive contact pieces are distributed in a step shape, the lengths of the conductive contact pieces have three specifications, the longest conductive contact piece is a grounding contact piece (5), the next longest conductive contact piece is a power supply contact piece (6), and the shortest conductive contact piece is an electric signal contact piece (7); the length and the distribution position of a stitch in the golden finger base (4) correspond to the length and the distribution position of the conductive contact pieces one by one.
2. The board card golden finger structure convenient for hot plugging according to claim 1, characterized in that: the board card (1) is inserted into the gold finger base (4) through a plurality of conductive contact pieces and is electrically connected with the weak current mother board (2).
3. The board card golden finger structure convenient for hot plugging according to claim 1, characterized in that: the integrated circuit board (1) is inserted into the golden finger base (4) through a plurality of conductive contact pieces and electrically connected with the strong current motherboard (3), and grounding pins inside the golden finger base (4) on the surface of the strong current motherboard (3) are electrically connected with an external grounding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121231415.1U CN214901445U (en) | 2021-06-03 | 2021-06-03 | Board card golden finger structure convenient for hot plugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121231415.1U CN214901445U (en) | 2021-06-03 | 2021-06-03 | Board card golden finger structure convenient for hot plugging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214901445U true CN214901445U (en) | 2021-11-26 |
Family
ID=78934260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121231415.1U Active CN214901445U (en) | 2021-06-03 | 2021-06-03 | Board card golden finger structure convenient for hot plugging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214901445U (en) |
-
2021
- 2021-06-03 CN CN202121231415.1U patent/CN214901445U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107104735B (en) | A kind of optical module | |
| CN207978169U (en) | False memory circuit board | |
| TW201304313A (en) | Connector and power management system for the same | |
| CN201051600Y (en) | Circuit board hot swap interface | |
| CN214901445U (en) | Board card golden finger structure convenient for hot plugging | |
| CN205210459U (en) | LCD screen test fixture keysets | |
| CN209028159U (en) | Battery access state detection circuit and connector | |
| CN206559727U (en) | Circuit board | |
| CN2302608Y (en) | Wire spring type electric coupling device | |
| CN219086403U (en) | Plug, socket and extension line with USB interface | |
| CN206574923U (en) | A kind of modular multi-function socket | |
| CN214041471U (en) | Movable circuit breaker characteristic test binding post row device | |
| CN210182075U (en) | Short circuit testing device for memory power supply circuit | |
| CN108471035B (en) | Electrical connection short connecting sheet capable of repeatedly using pins | |
| CN206271914U (en) | Card connecting device and the mobile terminal comprising it | |
| CN206574885U (en) | A kind of pcb board component and electronic equipment | |
| CN211627698U (en) | Distribution automation communication module test fixture | |
| CN214899022U (en) | Row nut anti-withdrawal terminal | |
| CN212380607U (en) | Socket capable of flowing large current | |
| CN202534593U (en) | Connector for electronic board of relay | |
| CN218101962U (en) | Novel socket module | |
| CN214899185U (en) | Serial-type wiring board | |
| CN215005687U (en) | High-efficient detection device of extension cable | |
| CN219144530U (en) | Type-C connector | |
| CN220710653U (en) | GPU cable main board end connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |