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CN215494872U - Board card structure - Google Patents

Board card structure Download PDF

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Publication number
CN215494872U
CN215494872U CN202121988957.3U CN202121988957U CN215494872U CN 215494872 U CN215494872 U CN 215494872U CN 202121988957 U CN202121988957 U CN 202121988957U CN 215494872 U CN215494872 U CN 215494872U
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CN
China
Prior art keywords
fixing
connector
radiator
circuit board
bottom plate
Prior art date
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Active
Application number
CN202121988957.3U
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Chinese (zh)
Inventor
奚立达
樊小波
谢玥
李德冲
黄晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Ximu Semiconductor Technology Co ltd
Original Assignee
Beijing Simm Computing Technology Co ltd
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Priority to CN202121988957.3U priority Critical patent/CN215494872U/en
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Publication of CN215494872U publication Critical patent/CN215494872U/en
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Abstract

The present disclosure provides a card structure. The board card structure comprises a bottom plate, a machine shell and at least one radiator fixing component, wherein the bottom plate is connected with the machine shell and encloses an accommodating space, the circuit board, the radiator, the elastic fixing connecting piece and the at least one radiator fixing component are contained in the accommodating space, the radiator is located on one side of the circuit board, the elastic fixing connecting piece is located on the other side of the circuit board and passes through the at least one radiator fixing component, the elastic fixing connecting piece is connected with the radiator, and the radiator is fixed on the circuit board. This disclosure is based on the deformability that elasticity fixed bolster has, when radiator and circuit board isotructure are fixed relatively, the pressure through the fixed subassembly of radiator makes the distance between radiator and the circuit board littleer, and both are more close to, and the radiating effect is better to can play fine cushioning effect when the circuit board receives pressure, avoid crushing the circuit board.

Description

Board card structure
Technical Field
The utility model belongs to the technical field of computer equipment, concretely relates to board structure.
Background
At present, the mainboard is provided with a radiator, and the central processing unit, the circuit board and the like on the mainboard are radiated by the radiator, so that the relative fixing mode of the radiator and the circuit board is very important. At present, the mode that generally adopts in the trade is the fixed mode of directly laminating radiator and circuit board through other modes such as rivet or stitch, leads to radiator and circuit board laminating inseparable, drop easily to and the shock resistance of circuit board is relatively poor, leads to the circuit board to receive the impact very easily, can make the quality of circuit board receive the influence like this. Secondly, some base plate supports are adopted to relatively fix the radiator and the circuit board, a plurality of screw holes for fixing the base plate supports are required to be arranged on the corresponding circuit board, so that more fixing holes are formed in the base plate supports, the base plate supports are hollowed out a lot, and under the condition that the radiator is supported by horizontal insertion, if the radiator faces downwards, the gap between the base plate supports and the circuit board is smaller, the radiating effect is poor, short circuit risks exist, and the reliability is poor.
In view of the above problems, it is necessary to provide a new board card structure.
SUMMERY OF THE UTILITY MODEL
The present disclosure is directed to at least one of the problems of the prior art, and provides a card structure.
The utility model provides a board card structure, including the bottom plate, with the bottom plate links to each other and encloses into accommodating space's casing, and accept in circuit board, radiator, elasticity fixed connection spare and at least one radiator fixed component in accommodating space, the radiator is located circuit board one side, elasticity fixed connection spare is located the circuit board opposite side, through at least one radiator fixed component will elasticity fixed connection spare with the radiator is connected, in order to incite somebody to action the radiator is fixed on the circuit board.
In some embodiments, the resilient mounting connector is a resilient mounting bracket;
the elastic fixing support comprises a fixing connecting part and at least one elastic connecting part connected with the fixing connecting part, and a radiator fixing through hole is formed in the elastic connecting part;
the fixed connecting part is abutted to the circuit board, and the elastic connecting part inclines from the fixed connecting part to the bottom plate.
In some embodiments, the heat sink securing assembly includes a heat sink securing sleeve and a heat sink fastener; wherein,
the first end of the radiator fixing sleeve is fixed on the radiator, the second end of the radiator fixing sleeve is arranged in the radiator fixing through hole of the circuit board in a penetrating mode, and the radiator fastener is arranged in the radiator fixing through hole in the elastic connecting portion in a penetrating mode.
In some embodiments, the board card structure further comprises a connector, a connector fixing bottom plate and a connector fixing baffle; wherein,
the connector fixing bottom plate is arranged on the shell, the connector fixing blocking piece and the connector fixing bottom plate are relatively fixed to form an accommodating space, and the connector is inserted into the accommodating space and electrically connected with the circuit board.
In some embodiments, the connector fixing block includes an accommodating portion and fixing portions located on both sides of the accommodating portion, the accommodating portion accommodates the connector, and the fixing portions are connected to the connector fixing base plate.
In some embodiments, the connector fixing base plate and each of the fixing portions are provided with at least one connector fixing through hole;
the shell is provided with a connector fixing piece corresponding to the connector fixing through hole, and the connector fixing piece penetrates through the corresponding connector fixing through hole.
In some embodiments, the sum of the heights of the connector holder and the connector holder flap is not less than the height of the connector.
In some embodiments, the connector fixing base plate is further provided with a fixing groove, and the connector is provided with a fixing protrusion, which is inserted into the fixing groove.
In some embodiments, the housing side wall is provided with an escape socket allowing passage of the connector; and/or the presence of a gas in the gas,
the side wall of the shell is also provided with a plurality of ventilation openings, and the baffles among the ventilation openings are obliquely arranged.
In some embodiments, at least one bottom plate fixing member is disposed on a side of the chassis facing the bottom plate, bottom plate fixing through holes corresponding to the bottom plate fixing members are disposed on both the bottom plate and the circuit board, and the bottom plate fixing members are inserted into the bottom plate fixing through holes to fix the bottom plate to the chassis.
The disclosed board card structure is provided with an elastic fixing connecting piece and a radiator fixing component, and the elastic fixing connecting piece is connected with the radiator through at least one radiator fixing component so as to fix the radiator on a circuit board. Have the deformability based on the elasticity fixed bolster, the pressure through the fixed subassembly of radiator makes the distance between radiator and the circuit board littleer, and both are more close to, and the radiating effect is better to can play fine cushioning effect when the circuit board receives pressure, avoid crushing the circuit board.
Drawings
Fig. 1 is an exploded view of a board card structure according to an embodiment of the present disclosure;
fig. 2 is a cross-sectional view of a board card structure according to another embodiment of the present disclosure;
FIG. 3 is an enlarged view of a portion of the disclosure at A in FIG. 2;
fig. 4 is a schematic structural view of a connector fixing baffle and a connector fixing base plate according to another embodiment of the disclosure;
fig. 5 is a schematic structural diagram of a connector and a connector fixing base plate according to another embodiment of the disclosure.
Detailed Description
For a better understanding of the technical aspects of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of the disclosure.
In some descriptions of the present disclosure, unless otherwise expressly specified or limited, the terms "mounted," "connected," or "fixed" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect through an intermediate medium, whether internal to two elements or an interactive relationship between two elements. Also, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate an orientation or positional relationship based on that shown in the drawings, and are used only to indicate a relative positional relationship, which may also be changed accordingly when the absolute position of the object being described is changed.
As shown in fig. 1, the present disclosure provides a board card structure 100, which includes a bottom plate 110, a housing 120 connected to the bottom plate 110 and enclosing an accommodation space, and a circuit board 130, a heat sink 140, an elastic fixing connector 150 and at least one heat sink fixing assembly 160 accommodated in the accommodation space, wherein the heat sink 140 is located on one side of the circuit board 130, the elastic fixing connector 150 is located on the other side of the circuit board 130, and the elastic fixing connector 150 is connected to the heat sink 140 through the at least one heat sink fixing assembly 160, so as to fix the heat sink 140 on the circuit board 130.
This disclosed integrated circuit board structure is based on elasticity that elasticity fixed connection spare had, when the radiator was fixed relatively with circuit board isotructure, the fixed subassembly of radiator was connected elasticity fixed connection spare and radiator to fix the radiator on the circuit board, the pressure through the fixed subassembly of radiator makes the distance between radiator and the circuit board littleer, both are more pressed close to, the radiating effect is better, and can play fine cushioning effect when the circuit board received pressure, avoid crushing the circuit board.
It will be appreciated that the resilient fixed connection of the present example is provided between the base plate and the circuit board, and the heat sink is provided on the side of the circuit board facing away from the resilient fixed connection. Like this, when the elasticity fixed connection spare is connected with radiator fixed subassembly, the accessible all is provided with at least one radiator fixed through-hole on elasticity fixed connection spare and circuit board, and radiator fixed subassembly wears to establish in order to realize fixing the radiator on the circuit board in the radiator fixed through-hole that corresponds.
It should be noted that the structure of the elastic fixing connector in this embodiment is not limited in particular, for example, the elastic fixing bracket, the spring, etc. it is obvious to those skilled in the art that the elastic force based on itself can provide the reaction force to the heat sink fixing assembly when mounting, so as to make the distance between the heat sink and the circuit board closer.
Specifically, as shown in fig. 1 to 3, the elastic fixing connector 150 is an elastic fixing bracket, and the elastic fixing bracket includes a fixing connection portion 151 and at least one elastic connection portion 152 connected to the fixing connection portion 151, and the elastic connection portion 152 is provided with a heat sink fixing through hole 153. The fixing connection portion 151 abuts against the circuit board 130, and the elastic connection portion 152 is inclined from the fixing connection portion 151 toward the bottom plate 110.
In some embodiments, as shown in fig. 1 to 3, the elastic connection portions 152 are respectively disposed around the square ring-shaped fixing connection portions 151 to form an elastic fixing bracket with a four-corner upturned structure, that is, the upturned elastic connection portions 152 can be deformed by pressing the fixing connection portions 151 in an opposite direction of the upturned structure, so as to provide a reaction force to the pressing force, and thus the elastic fixing bracket has an elastic force. Thus, when the heat sink is mounted, since the upward-tilted elastic connection portion is connected to the heat sink through the heat sink fixing component (e.g., a screw), and the elastic fixing bracket and the heat sink 140 are located at different sides of the circuit board 130, the upward-tilted direction of the elastic connection portion is a direction away from the circuit board 130, and a reaction force of the heat sink fixing component 160 on the heat sink 140 away from the circuit board 130 is applied, so that the heat sink and the circuit board are closer to each other. That is to say, the elastic connecting portion of this example is pressed towards the direction of circuit board until this elastic connecting portion and circuit board laminating, and after the installation was accomplished promptly, one side of circuit board all supported with elastic connecting portion and fixed connection portion, and the opposite side of circuit board supported with the radiator, and then made the radiating effect better. Secondly, because four elastic connection portion distribute in fixed connection portion's four corners, make the power that the circuit board received more even when the elastic connection portion of four positions coact, and combine the elasticity of self to play fine cushioning effect to the circuit board, avoid the circuit board crushing.
It should be noted that, in this embodiment, the number and the positions of the heat sink fixing through holes and the heat sink fixing assemblies are not specifically limited, the number of the heat sink fixing through holes is plural, the plural heat sink fixing through holes are symmetrically disposed on the elastic fixing bracket and the circuit board, and correspondingly, the number of the heat sink fixing assemblies is plural and symmetrically distributed.
Illustratively, as shown in fig. 1, heat sink fixing through holes 153 are provided on four elastic connection portions 152 of the elastic fixing bracket, and heat sink fixing through holes 131 are also provided at corresponding positions of the circuit board 130, it being understood that a heat sink fixing assembly 160 is further provided at corresponding positions of the heat sink fixing through holes.
Specifically, as shown in fig. 1 to 3, the heat sink fixing assembly 160 includes a heat sink fixing sleeve 161 and a heat sink fastening member 162; the first end of the heat sink fixing sleeve 161 is welded in the mounting hole 141 of the heat sink 140, the second end of the heat sink fixing sleeve 161 is inserted into the heat sink fixing through hole 131 of the circuit board 130, the heat sink fastening member 162 is inserted into the heat sink fixing through hole 153 of the elastic fixing bracket and the heat sink fixing sleeve 161, so as to fix the heat sink 140 and the circuit board 130.
Present connector is fixed on the circuit board, and the size of circuit board is close with the size of card shell, because the card shell is pressed close to at the top that the thickness of circuit board made the connector, and when the assembly was accomplished the use, the plug was inconvenient.
In some embodiments of the card structure of the present disclosure, as shown in fig. 1 and 4, the card structure 100 further includes a connector 170, a connector fixing base plate 181, and a connector fixing flap 182; the connector fixing base plate 181 is disposed on the housing 120, the connector fixing catch 182 is fixed to the connector fixing base plate 181 to form an accommodating space, and the connector 170 is inserted into the accommodating space and electrically connected to the circuit board 130 through a cable.
It should be noted that the circuit board of this example is a PCB circuit board.
Specifically, as shown in fig. 4, the connector fixing flap 182 includes an accommodating portion 182a and fixing portions 182b located at both sides of the accommodating portion 182a, the accommodating portion 182a accommodates the connector 170, and the fixing portions 182b are connected to the connector fixing base plate 181.
In this example, the connection manner of the fixing portion and the connector fixing base plate is not particularly limited, and for example, a snap, a screw, an adhesive, or the like may be used.
It should be further noted that the structure of the connector fixing block is not particularly limited in this embodiment, and for example, the structure is a rectangular parallelepiped structure, a "convex" structure, or the like.
In some embodiments, the distance from the accommodating portion to the connector fixing base plate is greater than the distance from the fixing portion to the connector fixing base plate, that is, the accommodating portion has a certain height to accommodate the connector.
Illustratively, as shown in fig. 4, the accommodating portion 182a includes a top wall and side walls on both sides of the top wall, and a bottom wall connected to the two side walls and extending outward forms a fixing portion 182 b. It should be understood that the central region of the connector fixing base plate 181, opposite to the receiving portion, forms a receiving space to insert the connector 170 therein. The two side areas of the connector fixing base plate 181 correspond to the fixing portions 182b, so that at least one connector fixing through hole is formed in each of the connector fixing base plate 181 and each of the fixing portions 182b, a connector fixing member 121 corresponding to the connector fixing through hole is disposed on the housing 120, and the connector fixing member 121 is inserted into the corresponding connector fixing through hole to fix the connector fixing base plate 181, the connector fixing plate 182 and the housing 120 relatively.
It should be noted that the number of the connector fixing through holes is not particularly limited in this example, and for example, two connector fixing through holes are provided at an end of the connector fixing base plate facing the inside of the housing, and one connector fixing through hole is provided at an end of the connector fixing base plate facing the outside of the housing.
It should be further noted that, in the present embodiment, the structure of the connector fixing member is not particularly limited, and for example, a screw is used. Of course, since the housing of the embodiment is thin and the screw has a certain height, the screw can be pushed against the housing by directly fixing the screw, and the housing is damaged, in some embodiments, the screw can be fixed by matching the stud with the screw, and the screw is supported by the stud to protect the housing.
Specifically, the studs are arranged on the casing and respectively penetrate through the connector fixing through holes corresponding to the connector fixing bottom plate and the fixing portion, and the studs are connected to the studs through screws in a threaded mode so as to fix the connector fixing sleeve on the casing.
Further, as shown in fig. 5, the connector fixing base 181 is further provided with a fixing groove 181a, and correspondingly, the connector 170 is provided with a fixing protrusion 171, and the fixing protrusion 171 of the connector 170 is inserted into the fixing groove 181a of the connector fixing base 181, so that the position of the connector 170 can be fixed and the occurrence of sliding can be prevented.
Furthermore, in order to facilitate the insertion and extraction of the connector, in some embodiments, the sum of the heights of the connector fixing piece and the connector fixing blocking piece is not less than the height of the connector, so as to ensure that the bottom surface of the connector is close to the bottom of the housing, and a sufficient space is left between the upper surface of the connector and the housing, so as to facilitate the insertion and extraction of the connector.
It should be noted that the circuit board of this example is smaller than the size of the inside of the case, and the connector can be flush with the circuit board and located on the same horizontal plane, thereby further reducing the height of the connector and facilitating the insertion and extraction of the board card when in use.
Further, in some embodiments, as shown in fig. 1, the side wall of the housing 120 is provided with an escape socket 122 allowing the connector 170 to pass through, so as to facilitate the insertion and extraction of the connector.
Further, in other embodiments, as shown in fig. 1, a plurality of ventilation openings 123 are formed on the sidewall of the housing 120, and the partitions between the ventilation openings 123 are disposed obliquely to ensure that the ventilation openings are large enough to facilitate heat dissipation.
It should be noted that the casing of this example is an integrated structure, and is the aluminium material, and thickness is only 1.2mm, is convenient for dispel the heat.
In other embodiments, as shown in fig. 1, at least one bottom plate fixing member 124 is disposed on a side of the housing 120 facing the bottom plate 110, bottom plate fixing through holes corresponding to the bottom plate fixing members 124 are disposed on both the bottom plate 110 and the circuit board 130, and the bottom plate fixing members 124 are inserted into the bottom plate fixing through holes to fix the bottom plate 110 and the housing 120. Optionally, the floor mounts 124 are studs. In the main assembly process of the board card, after the heat sink 140 is fixed on the circuit board 130 by the elastic fixing bracket, the circuit board 130 and the bottom plate 110 are covered on the housing 120, wherein the bottom plate fixing member 124 on the housing 120 is inserted into the bottom plate fixing through holes on the bottom plate 110 and the circuit board 130, and the bottom plate fixing member 124 can be screwed outside the bottom plate 110. Furthermore, the bottom plate 110 is fixedly connected to the housing 120 and encloses an accommodating space, in which the circuit board 130, the heat sink 140, the elastic fixing bracket, and the at least one heat sink fixing assembly 160 are disposed.
It should be noted that, in this embodiment, the number and the positions of the bottom plate fixing pieces and the bottom plate fixing through holes are not specifically limited, the number of the bottom plate fixing pieces may be multiple, and the bottom plate fixing pieces are symmetrically arranged on the housing, the number of the bottom plate fixing through holes also corresponds to multiple, and the bottom plate fixing through holes are symmetrically arranged on the bottom plate and the circuit board, respectively, and those skilled in the art can set the bottom plate fixing pieces and the bottom plate fixing through holes according to actual needs.
Specifically, as shown in fig. 1, eight bottom plate fixing through holes 111 are symmetrically formed in the bottom plate 110 along the length direction thereof, likewise, eight bottom plate fixing through holes 132 are symmetrically formed in the circuit board 130 along the length direction thereof, and eight bottom plate fixing members 124 are correspondingly formed on the housing 120.
It should be noted that, because the housing of this embodiment is provided with only one side wall along the width direction thereof for providing the avoidance socket and the vent on the side wall, the opposite side is further provided with a blocking piece 190, and the blocking piece corresponds to the side wall of the housing provided with the vent, so as to form a complete board card structure when other components such as the bottom plate, the housing and the like are encapsulated.
It should be further noted that the barrier in this example is a standard PCIE barrier.
Compared with the prior art, the board card structure has the following beneficial effects:
first, be provided with the elasticity fixed connection spare between bottom plate and circuit board, elasticity based on the elasticity fixed connection spare has, when elasticity fixed connection spare is connected with the fixed subassembly of radiator, the direction of upwarping of elasticity connecting portion is the direction of keeping away from the circuit board, can be through the fixed subassembly of radiator for the reaction force that the circuit board was kept away from to the radiator, make radiator and circuit board distance closer, and then make the radiating effect better, and can play fine cushioning effect when the circuit board receives pressure, avoid crushing the circuit board.
The connector fixing bottom plate and the connector fixing separation blade are arranged on the shell, the sum of the heights of the connector fixing part and the connector fixing separation blade is not smaller than the height of the connector, so that the bottom surface of the connector is ensured to be close to the bottom of the shell, a sufficient space is reserved between the upper surface of the connector and the shell, and an avoiding socket is arranged on the shell to facilitate plugging and unplugging of the connector.
And thirdly, the connector fixing piece is provided with a stud to ensure that the screw is not connected with the shell, so that the shell is further protected.
And fourthly, at least one vent is arranged on the machine shell, and the partition blocks between the vents are obliquely arranged, so that heat dissipation is facilitated.
It is to be understood that the above embodiments are merely exemplary embodiments that are employed to illustrate the principles of the present disclosure, and that the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit of the disclosure, and these changes and modifications are also considered to be within the scope of the disclosure.

Claims (10)

1. The utility model provides a board card structure, its characterized in that, including the bottom plate, with the bottom plate links to each other and encloses into accommodating space's casing, and accept in circuit board, radiator, elasticity fixed connection spare and at least one radiator fixed component in accommodating space, the radiator is located circuit board one side, elasticity fixed connection spare is located the circuit board opposite side, through at least one radiator fixed component will elasticity fixed connection spare with the radiator is connected, with will the radiator is fixed on the circuit board.
2. The board card structure of claim 1, wherein the elastic fixed connection is an elastic fixed bracket;
the elastic fixing support comprises a fixing connecting part and at least one elastic connecting part connected with the fixing connecting part, and a radiator fixing through hole is formed in the elastic connecting part;
the fixed connecting part is abutted to the circuit board, and the elastic connecting part inclines from the fixed connecting part to the bottom plate.
3. The board structure of claim 2, wherein the heat sink securing assembly includes a heat sink securing sleeve and a heat sink fastener; wherein,
the first end of the radiator fixing sleeve is fixed on the radiator, the second end of the radiator fixing sleeve is arranged in the radiator fixing through hole of the circuit board in a penetrating mode, and the radiator fastener is arranged in the radiator fixing through hole in the elastic connecting portion in a penetrating mode.
4. A board card structure according to any one of claims 1 to 3, characterized in that the board card structure further comprises a connector, a connector fixing base plate, a connector fixing catch; wherein,
the connector fixing bottom plate is arranged on the shell, the connector fixing blocking piece and the connector fixing bottom plate are relatively fixed to form an accommodating space, and the connector is inserted into the accommodating space and electrically connected with the circuit board.
5. The board card structure according to claim 4, wherein the connector fixing catch includes a receiving portion that receives the connector and fixing portions that are located on both sides of the receiving portion and are connected to the connector fixing base plate.
6. The board card structure according to claim 5, wherein at least one connector fixing through hole is provided on the connector fixing base plate and each of the fixing portions;
the shell is provided with a connector fixing piece corresponding to the connector fixing through hole, and the connector fixing piece penetrates through the corresponding connector fixing through hole.
7. The board structure according to claim 5, wherein the sum of the heights of the connector securing piece and the connector securing flap is not less than the height of the connector.
8. The board card structure according to claim 4, wherein the connector fixing base plate is further provided with a fixing groove, and the connector is provided with a fixing protrusion, the fixing protrusion being inserted into the fixing groove.
9. A card construction according to claim 4, characterized in that the side walls of the housing are provided with relief sockets allowing passage of the connectors; and/or the presence of a gas in the gas,
the side wall of the shell is also provided with a plurality of ventilation openings, and the baffles among the ventilation openings are obliquely arranged.
10. A board card structure according to any one of claims 1 to 3, wherein at least one bottom plate fixing member is provided on a side of the housing facing the bottom plate, bottom plate fixing through holes corresponding to the bottom plate fixing members are provided on the bottom plate and the circuit board, and the bottom plate fixing members are inserted into the bottom plate fixing through holes to fix the bottom plate and the housing.
CN202121988957.3U 2021-08-23 2021-08-23 Board card structure Active CN215494872U (en)

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Application Number Priority Date Filing Date Title
CN202121988957.3U CN215494872U (en) 2021-08-23 2021-08-23 Board card structure

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Application Number Priority Date Filing Date Title
CN202121988957.3U CN215494872U (en) 2021-08-23 2021-08-23 Board card structure

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CN215494872U true CN215494872U (en) 2022-01-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117794060A (en) * 2024-01-09 2024-03-29 中国科学院空间应用工程与技术中心 Efficient heat dissipation VPX board card

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117794060A (en) * 2024-01-09 2024-03-29 中国科学院空间应用工程与技术中心 Efficient heat dissipation VPX board card
CN117794060B (en) * 2024-01-09 2024-09-24 中国科学院空间应用工程与技术中心 Efficient heat dissipation VPX board card

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Address after: Room 201, No. 6 Fengtong Heng Street, Huangpu District, Guangzhou City, Guangdong Province, 510799

Patentee after: Guangzhou Ximu Semiconductor Technology Co.,Ltd.

Country or region after: China

Address before: 100020 801, 802, 803, 808, 8th floor, building 5, courtyard 5, Laiguangying West Road, Chaoyang District, Beijing

Patentee before: Beijing SIMM Computing Technology Co.,Ltd.

Country or region before: China

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