CN211607241U - Server capable of improving anti-interference capability - Google Patents
Server capable of improving anti-interference capability Download PDFInfo
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- CN211607241U CN211607241U CN201921484169.3U CN201921484169U CN211607241U CN 211607241 U CN211607241 U CN 211607241U CN 201921484169 U CN201921484169 U CN 201921484169U CN 211607241 U CN211607241 U CN 211607241U
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- metal shielding
- shielding cover
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- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 2
- 101710149812 Pyruvate carboxylase 1 Proteins 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a board card structure and a server for improving the anti-interference capability, which comprises a metal case and a cover plate, wherein a board card is arranged in the metal case, and the metal case is fixedly connected with the cover plate; the integrated circuit board include the PCB board, the PCB integrated circuit board on be provided with nuclear core plate module, nuclear core plate module top be provided with the metal shielding cover, the metal shielding cover weld to the ground connection pin of PCB board on. After the core board module is provided with the metal shielding cover, the electrostatic energy of the cover plate of the metal case is directly coupled to the metal shielding cover and is grounded through the ground wire pin of the metal shielding cover and the PCB, so that the sensitive core board module is prevented from being influenced.
Description
Technical Field
The utility model relates to a server anti-interference design technical field, concretely relates to improve interference killing feature's integrated circuit board structure, server.
Background
Electrostatic discharge (ESD) is one of common items for EMC test, and is easy to cause dysfunction and component damage of electronic products and equipment. The scale of the semiconductor device of the server board card is larger and larger, and the working voltage is lower and lower, so that the sensitivity of the semiconductor device to external electromagnetic disturbance is greatly improved. ESD has attracted more and more attention to problems such as interference caused by circuits, damage to components, CMOS circuits, and interface circuits.
The phenomenon of system halt often occurs due to interference and electrostatic capacitive coupling when the server board carries an IO port, USB, VGA and other IO ports to carry out electrostatic contact discharge +/-4 KV test.
Disclosure of Invention
Because interference, electrostatic capacity nature coupling lead to often appearing the phenomenon of system halt when carrying IO port electrostatic contact discharge + -4 KV tests such as net gape, USB, VGA to server board, the utility model relates to an improve interference killing feature's integrated circuit board structure, server.
The technical scheme of the utility model is that:
on the one hand, the utility model provides an improve interference killing feature's integrated circuit board structure, including the PCB board, the PCB board on be provided with nuclear core plate module, nuclear core plate module top be provided with the metal shielding cover, the metal shielding cover weld on the ground connection pin of PCB board. After the metal shielding cover is added on the core board module, the electrostatic energy of the cover board of the metal case is directly coupled to the metal shielding cover and is grounded through the ground wire pin of the metal shielding cover and the PCB, so that the sensitive core board module is prevented from being influenced.
Preferably, the shape of the contact surface of the metal shielding case and the PCB is set according to the wiring condition of the PCB ground wire. The shape of the contact surface of the metal shielding cover and the PCB is arranged according to the position of the ground wire bonding pad, so that the metal shielding cover and the grounding bonding pad of the PCB can be conveniently welded.
Preferably, the shape of the contact surface of the metal shielding case and the PCB is circular.
Preferably, the contact surface of the metal shielding case and the PCB is square.
On the other hand, the utility model provides a server for improving the anti-interference ability, which comprises a metal case and a cover plate, wherein a board card is arranged in the metal case, and the metal case is fixedly connected with the cover plate;
the integrated circuit board include the PCB board, the PCB integrated circuit board on be provided with nuclear core plate module, nuclear core plate module top be provided with the metal shielding cover, the metal shielding cover weld to the ground connection pin of PCB board on. After the core board module is provided with the metal shielding cover, the electrostatic energy of the cover plate of the metal case is directly coupled to the metal shielding cover and is grounded through the ground wire pin of the metal shielding cover and the PCB, so that the sensitive core board module is prevented from being influenced.
Preferably, the shape of the contact surface of the metal shielding case and the PCB is set according to the wiring condition of the PCB ground wire. The shape of the contact surface of the metal shielding cover and the PCB is arranged according to the position of the ground wire bonding pad, so that the metal shielding cover and the grounding bonding pad of the PCB can be conveniently welded.
Preferably, the shape of the contact surface of the metal shielding case and the PCB is circular.
Preferably, the contact surface of the metal shielding case and the PCB is square.
Preferably, in order to facilitate the detachment of the cover plate, the metal case and the cover plate are fixedly connected by bolts.
Preferably, for convenience of disassembly, the PCB is fixed to the metal chassis by a stud.
According to the technical scheme, the utility model has the advantages of it is following: the metal shielding cover is added at the sensitive part of the core board module, and the electrostatic energy is directly coupled to the metal shielding cover through the case cover plate and is grounded to the GND through the shielding cover, so that the sensitive core board module is prevented from being influenced, and the ESD problem is solved. The scheme is simple and easy to implement, the mass production is convenient to implement, the cost is increased very little, and the effect is reliable.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Therefore, compared with the prior art, the utility model has the outstanding substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a board card structure for improving an anti-interference capability provided by an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a server for improving interference rejection according to an embodiment of the present invention.
In the figure, 1-PCB, 2-core board module, 3-metal shielding cover, 4-metal chassis, 5-cover plate, 6-stud and 7-bolt.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example one
As shown in fig. 1, the utility model provides an improve integrated circuit board structure of interference killing feature, including PCB board 1, PCB board 1 on be provided with nuclear core plate module 2, nuclear core plate module 2 top be provided with metal shielding cover 3, metal shielding cover 3 weld on the ground pin of PCB board 1. After the metal shielding cover 3 is added above the core board module 2, the electrostatic energy of the metal chassis cover plate is directly coupled to the metal shielding cover 3 and is grounded through the ground wire pin of the metal shielding cover 3 and the PCB board 1, so that the sensitive core board module is prevented from being influenced.
Example two
The utility model provides a server for improving the anti-interference ability, which comprises a metal case 4 and a cover plate 5, wherein a board card is arranged in the metal case 4, and the metal case 4 is fixedly connected with the cover plate 5; the integrated circuit board structure include PCB board 1, PCB board 1 on be provided with nuclear core plate module 2, nuclear core plate module 2 top be provided with metal shielding cover 3, metal shielding cover 3 weld on the ground connection pin of PCB board 1. After the metal shielding cover 3 is added above the core board module 2, the electrostatic energy of the metal case cover board is directly coupled to the metal shielding cover 3 and is grounded through the ground wire pin of the metal shielding cover 3 and the PCB board 1, so that the sensitive core board module is prevented from being influenced.
In this embodiment, the shape of the contact surface between the metal shielding case 3 and the PCB 1 is set according to the wiring condition of the ground wire of the PCB. The shape of the contact surface of the metal shielding cover 3 and the PCB board 1 is arranged according to the position of the ground wire bonding pad, so that the metal shielding cover 3 and the grounding bonding pad of the PCB board 1 can be conveniently welded. The grounding bonding pads around the core board module on the PCB are selected, according to the distribution condition of the surrounding grounding bonding pads, the contact surface of the metal shielding case and the PCB is circular, and two or three bonding pads selected by the grounding bonding pads can be selected to be used for being welded with the metal shielding case with a circular opening on a circular surface.
EXAMPLE III
As shown in fig. 2, the utility model provides a server for improving anti-interference ability, which comprises a metal case 4 and a cover plate 5, wherein a board card is arranged in the metal case 4, and the metal case 4 is fixedly connected with the cover plate 5; in order to ensure that the radiation interference does not exceed the standard, the IO ports of a server onboard network port, a USB (universal serial bus), a VGA (video graphics array) and the like are required to be in good contact with a metal chassis cover plate. Distributed capacitors exist between the cover plate 5 and the board card, interference energy is transmitted to the core plate module through the distributed capacitors during electrostatic discharge of the IO port, and normal work of the core plate module is influenced, so that the system crash phenomenon is caused. In order to eliminate the influence that capacitive coupling produced, the integrated circuit board include PCB integrated circuit board 1, PCB board 1 on be provided with core plate module 2, core plate module 2 top be provided with metal shielding cover 3, metal shielding cover 3 weld on the ground pin of PCB board 1. After the metal shielding cover 3 is added above the core board module 2, the electrostatic energy of the metal chassis cover plate 5 is directly coupled to the metal shielding cover 3 and is grounded through the ground wire pin of the metal shielding cover 3 and the PCB board 1, so that the sensitive core board module 2 is prevented from being influenced.
In this embodiment, the shape of the contact surface between the metal shielding case 3 and the PCB 1 is set according to the wiring condition of the ground wire of the PCB. The shape of the contact surface of the metal shielding cover 3 and the PCB board 1 is arranged according to the position of the ground wire bonding pad, so that the metal shielding cover 3 and the grounding bonding pad of the PCB board 1 can be conveniently welded. The grounding bonding pads around the core board module 2 on the PCB board 1 are selected, according to the distribution of the grounding bonding pads around, the contact surface of the metal shielding case 3 and the PCB board 1 is square, and the bonding pads selected by the four grounding bonding pads can be selected to be connected in sequence to form a square for being welded with the metal shielding case 3 with a square opening. Weld metal shielding cover 3 all around to the selected GND around the nuclear core plate module on, play the effect of shielding ESD interference and can improve simultaneously and reduce the radiation emission interference, guarantee the quality in the aspect of server product EMC, for the dismantlement to the apron, metal machine case 4 and apron 5 pass through bolt 7 fixed connection, for convenient dismantlement, PCB board 1 pass through the double-screw bolt 6 to be fixed metal machine case 4 on.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A server for improving the anti-interference capability is characterized by comprising a metal case and a cover plate, wherein a board card is arranged in the metal case, and the metal case is fixedly connected with the cover plate;
the integrated circuit board include the PCB board, the PCB board on be provided with nuclear core plate module, nuclear core plate module top be provided with the metal shielding cover, the metal shielding cover weld to the ground connection pin of PCB board on.
2. The server of claim 1, wherein the contact surface of the metal shield and the PCB is shaped according to the layout of the ground of the PCB.
3. The server of claim 1, wherein the contact surface of the metal shielding can and the PCB is circular.
4. The server of claim 1, wherein the contact surface of the metal shielding case and the PCB is square.
5. The server of claim 1, wherein the metal casing and the cover plate are fixedly connected by bolts.
6. The server of claim 1, wherein the PCB is fixed to the metal chassis by a stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921484169.3U CN211607241U (en) | 2019-09-06 | 2019-09-06 | Server capable of improving anti-interference capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921484169.3U CN211607241U (en) | 2019-09-06 | 2019-09-06 | Server capable of improving anti-interference capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211607241U true CN211607241U (en) | 2020-09-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921484169.3U Active CN211607241U (en) | 2019-09-06 | 2019-09-06 | Server capable of improving anti-interference capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211607241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115315065A (en) * | 2022-08-01 | 2022-11-08 | 苏州浪潮智能科技有限公司 | Electrostatic discharge device |
-
2019
- 2019-09-06 CN CN201921484169.3U patent/CN211607241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115315065A (en) * | 2022-08-01 | 2022-11-08 | 苏州浪潮智能科技有限公司 | Electrostatic discharge device |
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