Electronic equipment
By using a detachable connection method between connectors and supports, the problem of time-consuming and labor-intensive fixing of circuit boards to the chassis is solved, enabling rapid assembly and disassembly of circuit boards, improving server production efficiency and saving costs.
Patent Information
- Application Number
- CN202511416406.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2022-08-10
- Publication Date
- 2026-02-13
AI Technical Summary
In existing technologies, the methods of fixing circuit boards to the chassis are time-consuming and labor-intensive, making it difficult to meet the needs of rapid assembly and disassembly, especially when there are many circuit boards in a server, resulting in low efficiency.
The circuit board employs a detachable connection method with connectors and supports. The connectors pass through the circuit board and are detachably connected to the mounting part of the chassis, eliminating the need for screws. Combined with reflow soldering and multiple connection methods, this enables rapid assembly and disassembly of the circuit board.
It improves the efficiency of circuit board assembly and disassembly, saves time and costs, and reduces the overall cost of the machine. It also significantly improves work efficiency, especially when fixing multiple circuit boards.
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Figure CN121531625A_ABST
Abstract
Description
[0001] This application is a divisional application of the original application with the application number 202210958977.9 and the original filing date of August 10, 2022, and the entire contents of the original application are incorporated herein by reference. TECHNICAL FIELD
[0002] The present application relates to the field of electronic equipment, in particular to a circuit board fixing device and an electronic equipment. BACKGROUND
[0003] The circuit board (PCB board) is an essential component carrier of the server, and the fixing method thereof with the case is usually fixed by screws. In order to ensure the stability of the PCB board, multiple screws are used to fix each PCB board to the case. In actual application, the server usually has multiple PCB boards, and when the server is assembled or the equipment of the server is upgraded or maintained, this way of fixing the circuit board by screws is time-consuming and laborious and low in efficiency, which cannot meet the needs of quick disassembly and assembly of the circuit board in specific business scenarios. SUMMARY
[0004] The electronic equipment provided by the embodiments of the present application is more convenient and fast to disassemble and assemble the circuit board and the case, and saves time and labor.
[0005] An electronic equipment is provided, which comprises a case, a circuit board, a CPU, a support and a connecting piece. The CPU is arranged on the circuit board, the connecting piece penetrates the circuit board and is fixedly connected with the circuit board, and the support is detachably arranged in the case. The support is provided with a first fixing part matched with the connecting piece, and the connecting piece is detachably connected with the first fixing part. The connecting piece is used for fixing the circuit board by means of detachable connection between the support and the case, which eliminates the step of screwing the screw when the screw is used for fixing, and is simple and flexible in operation, saves time, and especially in the case that a large number of circuit boards need to be fixed to the case, the time cost can be reduced, and the work efficiency can be significantly improved.
[0006] In a possible implementation, the connecting piece is provided in plurality, the circuit board is provided with a plurality of through holes, the first fixing part is provided in plurality, the plurality of connecting pieces penetrate the plurality of through holes one by one and are connected with the plurality of first fixing parts one by one. The connecting piece and the first fixing part can be connected one by one to realize the quick disassembly and assembly of the circuit board.
[0007] In a possible implementation, each connecting piece comprises a welding part arranged in the through hole and fixedly welded with the through hole, and a connecting part located outside the through hole, one end of which is connected with the welding part and the other end of which is detachably connected with the first fixing part. The welding part can be fixedly welded in the through hole, and the connecting part is used for detachable connection with the first fixing part, which is more convenient to use.
[0008] In a possible implementation, the welding part and the through hole are welded by using a reflow soldering process.
[0009] In a possible implementation, the edge of the connecting part has a flange; the connecting part is detachably connected with the first fixing part through the flange. The flange provided on the connecting part can be clamped in the first fixing part, so that the suspended circuit board has better stability and is less likely to fall off.
[0010] In a possible implementation, the first fixing part is any one of a through hole, a groove, a quick connector, an elastic buckle and a protrusion. Any one of the through hole, the groove, the quick connector, the elastic buckle and the protrusion can be used as the connecting mode of the first fixing part and the connecting part, and can be selected according to actual needs.
[0011] In a possible implementation, the connecting part is provided with an elastic sheet, and the connecting part is elastically connected with the first fixing part through the elastic sheet.
[0012] In a possible implementation, the connecting part is a quick connector, and the connecting part is connected with the first fixing part through the quick connector.
[0013] In a possible implementation, the circuit board is further provided with a CPU bracket, the CPU bracket is used for supporting a CPU on the circuit board, and the CPU bracket includes a CPU upper bracket and a CPU lower bracket, and the CPU upper bracket and the CPU lower bracket are respectively located on two sides of the circuit board. The CPU bracket is used for supporting the CPU on the circuit board, and the CPU bracket is used as support at the position thereof, so that the stability of the CPU can be effectively improved, and the stress concentration near the CPU can be solved.
[0014] In a possible implementation, the supporting part has at least one protrusion, and the protrusion abuts against the CPU lower bracket. The supporting part abuts against the CPU lower bracket through the protrusion, the stress near the CPU can be solved through the CPU lower bracket in contact with the supporting part, and the stability of the CPU can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 FIG. 1 is a schematic view of a connection relationship between a circuit board and a backing plate in the prior art;
[0016] Figure 2 FIG. 4 is a schematic view of a connection relationship between a circuit board and a connecting part and a case according to an embodiment of the present application;
[0017] Figure 3 FIG. 5 is a schematic view of a connection structure between a connecting part and a circuit board according to an embodiment of the present application;
[0018] Figure 4 FIG. 6 is a schematic view of a support structure between a supporting part and a CPU bracket according to an embodiment of the present application;
[0019] Figure 5 Another cross-sectional structure diagram of the connection relationship between the circuit board and the connecting piece and the supporting piece proposed by the embodiment of the present application. DETAILED DESCRIPTION
[0020] The electronic device takes a server as an example. In specific business scenarios, such as server spare part maintenance, production installation or mass machine type scenarios, the production efficiency and time cost control requirements are very high. Under this background, the server maintenance and other businesses are required to save time and improve efficiency as much as possible. In the prior art, the circuit board is usually fixed on the backing plate through screws, and then the backing plate is fixed with the case through a hanging nail (see Figure 1 ). Although this scheme realizes the quick fixing of the backing plate and the case, the circuit board still needs to be installed on the backing plate, and the installation efficiency is not high.
[0021] Therefore, the embodiment of the present application proposes a fixing device for an electronic device circuit board to make the disassembly of the circuit board more convenient, fast, time-saving and labor-saving.
[0022] Figure 2 A cross-sectional structure diagram of the connection relationship between the circuit board and the connecting piece and the supporting piece proposed by the embodiment of the present application. As Figure 2 shown, the electronic device includes a case 3, a circuit board 2, a CPU and a connecting piece 1, the connecting piece 1 includes a welding part 5 and a connecting part 4, the CPU is arranged on the circuit board 2, the connecting piece 1 penetrates through the circuit board 2 and is fixedly connected with the circuit board 2; the bottom of the case 3 is provided with a first fixing part matched with the connecting piece 1, and the connecting piece 1 is detachably connected with the first fixing part. Exemplarily, the connecting piece 1 can be selected as a hanging nail, and the first fixing part can be selected as a through hole, and the hanging nail is fixedly connected with the case 3 through the through hole. Optionally, the edge of the connecting part 4 can be provided with a flange 8. The flange 8 has good stability at the connecting part 4 of the through hole, so that the connecting part 4 is not easy to fall off from the through hole.
[0023] Exemplarily, the connecting piece 1 can also be connected with the first fixing part in the modes of plug-in, clamping, elastic connection and the like, so as to realize quick disassembly and improve the assembly efficiency. Exemplarily, the connecting piece 1 can be a quick plug connector, and the first fixing part is also provided as a quick plug interface matched with the quick plug connector, and the connecting piece 1 and the first fixing part are respectively a male head and a female head of the quick plug connector, and the connecting piece 1 and the first fixing part can be directly plugged in or pulled out to realize quick disassembly.
[0024] Exemplarily, the connecting piece 1 can also be provided with a protruding block, and correspondingly, the first fixing part is a groove, and the connecting piece 1 is clamped and fixed through the protruding block and the groove, and the quick disassembly can be realized by separating the protruding block from the groove when disassembling.
[0025] Exemplarily, the connecting piece 1 can also be an elastic piece, and the first fixing part is provided with an elastic buckle matched with the elastic piece. The connecting piece 1 is elastically connected between the elastic piece and the elastic buckle, so that the connecting piece 1 and the first fixing part can be quickly disassembled. Optionally, the elastic piece and the elastic buckle are made of metal material.
[0026] Exemplarily, the connecting piece 1 can also be a rod-shaped part with a socket, and the first fixing part is provided with a protrusion matched with the socket. The connecting piece 1 is fixedly connected between the socket and the protrusion, so that the connecting piece 1 and the first fixing part can be quickly disassembled by pulling out the socket from the protrusion.
[0027] Optionally, a plurality of connecting pieces 1 are provided, a plurality of through holes are provided on the circuit board 2, and a plurality of first fixing parts are provided. The plurality of connecting pieces 1 pass through the plurality of through holes one by one and are connected to the plurality of first fixing parts one by one. It should be noted that the nails do not contact the cables inside the circuit board 2 at the plurality of through holes.
[0028] Optionally, the material of the connecting piece 1 is carbon steel or stainless steel.
[0029] The connecting piece 1 and the case 3 are connected in a detachable manner to fix the circuit board 2, which eliminates the installation of the lining plate, reduces the cost of the whole machine, and can realize quick disassembly. The operation is simple and flexible, especially when a large number of circuit boards 2 need to be fixed to the case 3. A plurality of circuit boards 2 can share one bottom shell of the case 3, thereby saving assembly cost.
[0030] Figure 3 A connecting structure of a connecting piece and a circuit board is provided for the embodiments of the present application. The connecting structure is described in detail in combination with Figure 2 In a possible implementation, the connecting piece 1 includes a welding part 5 and a connecting part 4. The welding part 5 is arranged in the through hole and is fixedly welded with the through hole. The connecting part 4 is located outside the through hole, one end of the connecting part 4 is connected with the welding part 5, and the other end of the connecting part 4 is movably connected with the first fixing part. The welding part 5 can include a head part 6 and a rod part 7. The rod part 7 is located in the through hole, and one face of the head part 6 is in uniform contact with the circuit board 2, so that the welding part 5 and the circuit board 2 are more stably connected. Exemplarily, the welding part 5 and the through hole can be fixedly welded by using a reflow soldering process.
[0031] The edge of the connecting part 4 can be provided with a flange 8. The flange 8 arranged at the connecting part 4 can be clamped in the first fixing hole during use, so that the suspended circuit board 2 is more stable and is not easy to fall off.
[0032] The first fixing part can be a strip-shaped hole with an opening at one end. The strip-shaped hole with the opening is more convenient and fast to connect with the connecting part 4 provided with the flange 8.
[0033] Exemplarily, the connecting piece 1 can be a quick connector, the first fixing part is also a quick connector matched with the connecting piece 1, the connecting piece 1 and the first fixing part are respectively a male head and a female head of the quick connector, and the connecting piece 1 and the first fixing part can be directly plugged or unplugged to realize quick disassembly. The connecting piece 1 can also be provided with a protrusion, and correspondingly, the first fixing part is a clamping groove, the connecting piece 1 is clamped and fixed through the protrusion and the clamping groove, and quick disassembly can be realized by separating the protrusion from the clamping groove. The connecting piece 1 can also be an elastic piece, exemplarily, the connecting piece 1 is provided with an elastic sheet, and correspondingly, the first fixing part is an elastic buckle, the connecting piece 1 is elastically connected with the first fixing part through the elastic sheet, and quick disassembly of the connecting piece 1 and the first fixing part is realized. The elastic sheet and the elastic buckle can be made of a metal material.
[0034] Figure 4 A support piece and a support structure of a CPU are provided for the embodiment of the present application. As shown in Figure 4 , the circuit board 2 is further provided with a CPU bracket, the CPU bracket is used for supporting the CPU on the circuit board 2, and the CPU bracket comprises
[0035] a CPU upper bracket 9 and a CPU lower bracket 12, the CPU upper bracket 9 and the CPU lower bracket 12 are respectively located on two sides of the circuit board 2. The CPU bracket is used for supporting the CPU on the circuit board 2, and the CPU bracket is used as support at the position thereof, which can effectively solve the stability of the CPU and solve the stress concentration near the CPU and the like.
[0036] The support piece 10 has at least one protruding part 11, and the protruding part 11 abuts against the CPU lower bracket 12. The support piece 10 abuts against the CPU lower bracket 12 through the protruding part 11, and the support piece 10 can improve the stability of the CPU through the CPU lower bracket 12 in contact with the support piece 10. In addition, for important components, the protruding part 11 can also be used to support the components at the corresponding positions thereof.
[0037] Since the back of the circuit board 2 is in a suspended or partially suspended state, for important CPUs, the protruding part 11 of the support piece 10 is used for support at the suspended position, which can effectively solve the stability of the CPU at the circuit board 2, solve the
[0038] stress concentration near the CPU and the like.
[0039] Figure 5 Another connection relationship between a circuit board, a connecting piece and a support piece is provided for the embodiment of the present application. The connection relationship between the circuit board, the connecting piece and the support piece is shown in Figure 5The support 10 is detachably arranged in the case 3, and further, the support 10 can be fixed on the case 3 by screws, or can be connected by the above-mentioned plug-in, clamping, elastic connection and the like, as long as the support 10 and the case 3 can be fixed. The fixing mode of the support 10 and the case 3 is not limited here. The support 10 has at least one protruding part 11 abutting against a CPU lower bracket 12 on the circuit board 2, for supporting the CPU on the circuit board 2. The connecting piece 1 penetrates the circuit board 2 and is fixedly connected with the circuit board 2. The support 10 is provided with a second fixing part matched with the connecting piece 1, and the connecting piece 1 and the second fixing part are detachably connected, so as to fix the circuit board 2 on the support 10.
[0040] In a possible embodiment, a plurality of second fixing parts can be further included, wherein the second fixing parts are directly arranged on the case 3. The electronic device can further include a plurality of connecting pieces 1, and the plurality of connecting pieces 1 and the plurality of second fixing parts can be connected by plug-in, clamping, elastic connection and the like. Exemplarily, the connecting piece 1 can be a nail, an elastic piece, a quick plug, a rod-shaped part with a jack and the like, and the corresponding second fixing part can be a through hole, an elastic buckle, a quick plug interface, a protrusion and the like.
[0041] A server is provided, including at least one electronic device as described above. In the server, the circuit board 2 can be quickly disassembled and assembled. A plurality of circuit boards 2 can share one case 3, so as to save the installation space and cost of the server.
[0042] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A server, characterized in that: The system includes a chassis, a circuit board, a CPU, a support component, and a connector. The CPU is mounted on the circuit board, and the connector is fixedly connected to the circuit board. The support component is detachably mounted inside the chassis and has a first fixing part adapted to the connector. The connector is detachably connected to the first fixing part. The circuit board also has a CPU bracket for supporting the CPU on the circuit board. The CPU bracket includes an upper CPU bracket and a lower CPU bracket, which are located on opposite sides of the circuit board.
2. The server as described in claim 1, characterized in that, The connectors are provided in multiple ways, the circuit board is provided with multiple through holes, and the first fixing parts are provided in multiple ways. The multiple connectors pass through the multiple through holes one by one and are connected to the multiple first fixing parts one by one.
3. The server as described in claim 2, characterized in that, Each of the connectors includes: A welding part is disposed inside the through hole and is welded and fixed to the through hole; The connecting part is located outside the through hole, with one end connected to the welding part and the other end detachably connected to the first fixing part.
4. The server as described in claim 3, characterized in that, The welded part and the through hole are welded using a reflow soldering process.
5. The server as described in any one of claims 3-4, characterized in that, The connecting part has a flange at its edge; the connecting member is detachably connected to the first fixing part through the flange.
6. The server as described in claim 5, characterized in that, The first fixing part is any one of the following: through hole, groove, quick connector, elastic buckle, and protrusion.
7. The server as described in any one of claims 3-4, characterized in that, The connecting part is provided with an elastic piece, and the connecting part is elastically connected to the first fixing part through the elastic piece.
8. The server as described in any one of claims 3-4, characterized in that, The connecting part is a quick-connect connector, and the connecting part is inserted into the first fixing part through the quick-connect connector.
9. The server as described in any one of claims 3-4, characterized in that, The connecting parts are made of carbon steel or stainless steel.
10. The server as described in claim 1, characterized in that, The support member is provided with a second fixing part that matches the connector, and the connector is detachably connected to the second fixing part.