WO2023124569A1 - Élément de fixation, module de dissipation de chaleur et dispositif électronique - Google Patents

Élément de fixation, module de dissipation de chaleur et dispositif électronique Download PDF

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Publication number
WO2023124569A1
WO2023124569A1 PCT/CN2022/131151 CN2022131151W WO2023124569A1 WO 2023124569 A1 WO2023124569 A1 WO 2023124569A1 CN 2022131151 W CN2022131151 W CN 2022131151W WO 2023124569 A1 WO2023124569 A1 WO 2023124569A1
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WO
WIPO (PCT)
Prior art keywords
fastener
insulating
heat dissipation
generating module
limiting member
Prior art date
Application number
PCT/CN2022/131151
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English (en)
Chinese (zh)
Inventor
李洋
Original Assignee
北京比特大陆科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 北京比特大陆科技有限公司 filed Critical 北京比特大陆科技有限公司
Publication of WO2023124569A1 publication Critical patent/WO2023124569A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present disclosure relates to the field of electronic technology, in particular to a fastener, a heat dissipation module and electronic equipment.
  • heat sinks are generally installed on devices with severe heat generation, and heat sinks are generally fixed on surfaces such as printed circuit boards (PCB) by screws.
  • PCB printed circuit boards
  • positioning steps are often formed on the studs of the screws to contact the PCB, so as to prevent the heat sink from crushing the PCB device.
  • Embodiments of the disclosure provide a fastener, a heat dissipation module, and an electronic device.
  • the first aspect of the embodiments of the present disclosure provides a fastener, including: a rod body and an insulating stopper;
  • the rod body includes a first part and a second part connected with the first part;
  • the insulating limiting member is sheathed on the second part.
  • the second portion comprises a first section and a second section, the first section is close to the first section, and the second section is away from the first section;
  • the insulating limiting member is sheathed on the first section; the second section is provided with threads.
  • the outer surface of the first section is knurled.
  • the material of the insulating limiter includes:
  • Insulated fabric Insulated fabric
  • the insulating plastic includes at least one of the following: nylon PA, polycarbonate PC, poly-acrylonitrile-butadiene-styrene ABS, polyethylmethacrylate PMMA, polypropylene plastic PP.
  • the insulating cloth includes: nylon cloth.
  • the fastener further includes: an elastic component; the elastic component is sheathed on the first part.
  • the first diameter of the first portion is larger than the second diameter of the second portion.
  • the insulating limiting member is sleeved on the second part through interference fit, glue or screw fit.
  • the fastener is used to connect the heat sink and the heat generating module; the first part is used to be assembled in the heat sink, and the second part is used to be fixedly connected to the heat generating module .
  • the upper surface of the insulating limiting member is in contact with the first part, and the lower surface of the insulating limiting member is in contact with the heat generating module.
  • the second aspect of the embodiments of the present disclosure provides a heat dissipation module, including: a heat dissipation plate and the fastener described in one or more of the foregoing technical solutions;
  • the fastener is used to connect the heat dissipation plate and the heat generating module.
  • the heat dissipation plate has a mounting position
  • the first part of the fastener is assembled in the installation position, and the second part of the fastener is used for fixed connection with the heat generating module; the insulating limiter of the fastener is used for Contact with the heat generating module.
  • the fastener further includes: an elastic component;
  • the elastic component and the first part are jointly assembled in the installation position.
  • the third aspect of the embodiments of the present disclosure provides an electronic device, including: a heat generating module and the heat dissipation module described in one or more of the foregoing technical solutions;
  • the fastener in the heat dissipation module is used to connect the heat generation module and the heat dissipation plate in the heat dissipation module.
  • the heat generating module has mounting holes
  • the second part of the fastener is fixedly connected with the heat generating module through the installation hole.
  • the fastener includes: a rod body and an insulating limiter; the rod body includes a first part and a second part connected to the first part; the insulating limiter is sleeved on the Describe the second part.
  • the insulating limiting member can be positioned in contact with the heat-generating module, and the second part of the fastener can be restrained.
  • the metal step surface between the first part and the second part is in direct contact with the heat generating module to be dissipated, and there is no need to arrange pads on the heat generating module, so that the available area on the heat generating module will not be wasted.
  • Fig. 1 is a structural schematic diagram of a fastener shown according to an exemplary embodiment
  • Fig. 2 is a structural schematic diagram of a fastener shown according to an exemplary embodiment
  • Fig. 3 is a structural schematic diagram of a fastener shown according to an exemplary embodiment
  • Fig. 4 is a schematic structural diagram of a heat dissipation module according to an exemplary embodiment
  • Fig. 5 is a schematic structural diagram of an electronic device according to an exemplary embodiment
  • Fig. 6 is a schematic structural diagram of a spring screw according to an exemplary embodiment.
  • Rod body 11.
  • Insulation limiter 13.
  • Elastic component 111.
  • first, second, third, etc. may use the terms first, second, third, etc. to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the embodiments of the present disclosure, first information may also be called second information, and similarly, second information may also be called first information. Depending on the context, the word “if” as used herein may be interpreted as “at” or "when” or "in response to a determination.”
  • an embodiment of the present disclosure provides a fastener 1, including: a rod body 11 and an insulating stopper 12;
  • the rod body 11 includes a first part 111 and a second part 112 connected with the first part 111;
  • the insulating limiting member 12 is sheathed on the second portion 112 .
  • the fastener 1 may be a device for fixing one or more objects through connection, for example, may be a screw, a bolt, a rivet, or the like.
  • the two ends of the rod body 11 of the fastener 1 can be respectively used to connect with one object, so as to realize the relative fixation of the two objects.
  • the fastener can be respectively connected to a heat dissipation plate and a heat generation module, for example, the heat generation module can be a PCB or a chip, so as to realize the fixed connection between the heat dissipation module and the heat generation module.
  • the outer diameters of the first part 111 and the second part 112 of the rod body 11 can be the same or different, for example, the outer diameter of the first part 111 can be larger than the outer diameter of the second part 112, and correspondingly, the outer diameter of the second part 112 can be sleeved on the second part.
  • the upper surface of the insulating limiting member 12 of the part 112 can be clamped with the stepped surface formed between the first part 111 and the second part 112, so that when the lower surface of the insulating limiting member 12 is docked with the heat generating module, it can realize Positioning limit function.
  • the first part 111 can be used for assembling in the heat dissipation plate, and the part of the second part 112 not covered by the insulating limiting member 12 can be used for assembling in the heat generating module.
  • the diameters of the first part 111 and the second part 112 can also be the same.
  • the insulating limiting member 12 can be clamped between the heat dissipation module and the heat generating module to realize the function of positioning and limiting.
  • the insulating limiting member 12 has insulating properties, and is made of insulating material or at least the surface is covered with insulating material, such as plastic material and/or cloth.
  • the material of the insulating limiting member 12 is a material with a coefficient of stiffness greater than a preset value, or a material with a modulus of elasticity lower than a preset value, so as to better realize the connection between the heat dissipation plate and the heat generating module.
  • the limiting function between them can reduce the deformation of the insulating limiting member 12 under the pressure of the heat sink.
  • the material of the insulating limiting member 12 is a material whose thermal conductivity is lower than a predetermined value, thereby reducing the heat conduction of the insulating limiting member 12 and prolonging the life of the insulating limiting member 12 .
  • the insulating limiting member 12 may be a device in the shape of a sleeve, and the width of the inner diameter of the insulating limiting member 12 may be determined according to the outer diameter of the second part 112 .
  • the inner diameter of the insulating limiting member 12 may be greater than the outer diameter of the second part 112 and the difference is lower than a preset value, so as to ensure that the insulating limiting member 12 can be sleeved on the second part 2 without falling off.
  • the insulating limiting member 12 may be in the shape of a cylinder with the same area of the upper surface and the lower surface, or may be in the shape of a truncated cone with different areas of the upper surface and the lower surface.
  • the area of the lower surface can be larger than the area of the upper surface, thereby further reducing the pressure on the heat generating module.
  • the width of the inner diameter of the insulating limiting member 12 can also be equal to or smaller than the diameter of the second part 112.
  • the material of the insulating limiting member 12 needs to be a material with elasticity, such as nylon cloth, etc., so that The insulating limiting member 12 is sheathed on the second part 112 by means of interference fit, etc., and is not easy to fall off.
  • the rod body 11 is generally arranged in a stepped shape, and is positioned on the PCB through the stepped surface formed on the rod body 11 . Because of the strength of the PCB, the size of the steps should not be too small, as a too small step surface will crush the PCB surface, so the outer diameter of the rod body 11 is generally larger, usually larger than 6mm. Moreover, since the stepped surface of the rod body 11 is metal, it is easy to rub off the green oil on the contact part with the PCB, so it is necessary to make a corresponding pad on the PCB with a diameter larger than the outer diameter of the rod body 11 . The position where the pad is located is forbidden to place devices and lines, which will also interrupt the copper skin network of the entire board, and the PCB layout of electronic products is becoming increasingly compact, and the position of the pad leads to a lot of area waste.
  • the second part of the rod body is sleeved by the insulating stopper, so that when the heat-generating modules such as the PCB are fixedly connected by the fastener 1, the non-metallic insulating stopper can be used instead of the step surface of the rod body to achieve positioning limit function. Therefore, the safety of the electrical function of the PCB itself can be guaranteed, and the damage to the surface of the PCB such as the metal step can be suppressed. There is no need to set additional pads, and the utilization rate of the available area on the PCB can be greatly improved.
  • the second part 112 includes a first segment 1121 and a second segment 1122, the first segment 1121 is close to the first part 111, and the second segment 1122 is away from the first part 111;
  • the insulating limiting member 12 is sheathed on the first section 1121; the second section 1122 is provided with threads.
  • the part of the second part 112 used for sheathing the insulating limiting part 12 is the first section 1121
  • the part used for assembling in the heat generating module is the second section. 1122.
  • the distance between the first segment 1121 and the first portion 111 is smaller than the distance between the second segment 1122 and the first portion 111 .
  • the distance between the end of the first segment 1121 away from the first part 111 and the center of the first part 111 is smaller than the distance between the end of the second segment 1122 close to the first part 111 and the center of the first part 111 .
  • the length of the first segment 1121 may be greater than or equal to the length of the insulating limiting member 12 .
  • the length of a certain part of the rod body 11 is the length along the radial direction of the rod body 11
  • the length of the insulating limiting member 12 is the length along the axial direction of the insulating limiting member 12 .
  • the length of the second section 1122 may be greater than the length of the first section 1121, and/or, in order to strengthen the limiting function of the insulating limiting member 12, the second section 1122
  • the length of a section 1121 or the length of the insulating stopper 12 may be greater than a preset threshold.
  • the thread provided on the second segment 1122 may be a protruding thread on the second segment 1122, and correspondingly, the outer diameter of the second segment 1122 having a protruding thread may be slightly larger than the first The outer diameter of the segment 1121 ; or, it can also be the groove-shaped thread on the second segment 1122 , correspondingly, the outer diameter of the second segment 1122 with the groove-shaped thread can be equal to the outer diameter of the first segment 1121 .
  • the insulating limiting member 12 is arranged on the second part 112 at a section close to the first part 111, so that when the fastener 1 is fastened to connect the heat dissipation plate and the heat generating module, the insulating limiting member 12 can be placed on the fastener 1
  • the middle part that is, between the cooling plate and the heat generating module, realizes the positioning and limiting function.
  • the outer surface of the first section 1121 is knurled.
  • the frictional force between the outer surface of the first section 1121 and the inner surface of the insulating limiting member 12 is increased, thereby further reducing the risk of the insulating limiting member 12 falling off. risk.
  • knurling or protrusions that cooperate with the knurling on the outer surface of the first section 1121 may also be provided for The risk of falling off of the insulating stopper 12 is further reduced.
  • the material of the insulating limiting member 12 includes:
  • Insulated fabric Insulated fabric
  • the insulating plastic may include various insulating plastic materials, such as: nylon (Polyamide, PA), polycarbonate (Polycarbonate, PC), poly-acrylonitrile-butadiene-styrene (Acrylonitrile butadiene At least one of Styrene copolymers, ABS), polyethyl methacrylate (polymethyl methacrylate, PMMA), polypropylene plastic (Plastics-Polypropylene, PP).
  • the insulating cloth may be at least one of nylon cloth, Oxford cloth or other similar insulating cloths.
  • the damage to heat-generating modules such as the PCB can be sufficiently reduced, so that when positioning and limiting are performed based on the insulating limiting member 12, copper sheets and wiring can still be laid on the PCB, There is no need to provide corresponding pads on the PCB, thereby saving the available area occupied by the pads.
  • the insulating plastic includes at least one of the following: nylon PA, polycarbonate PC, poly-acrylonitrile-butadiene-styrene ABS, polyethylmethacrylate PMMA, polypropylene plastic PP.
  • the fastener 1 further includes: an elastic component 13 ; the elastic component 13 is sheathed on the first part 111 .
  • the elastic component 13 may be a spring, a leaf spring, a bellows, or other elements with elastic functions.
  • the elastic part 13 is sleeved on the first part 111, and is used to be assembled in the heat dissipation plate together with the first part 111, and is used to form a spring screw together with the rod body 11 and the insulating stopper 12, and the heat dissipation plate is controlled by the expansion and contraction of the elastic part 13
  • the contact force to the heat generating module reduces the damage to the heat generating module.
  • the natural length of the elastic member 13 without external force may be less than or equal to the length of the first part 111 , so as to facilitate assembly with the first part 111 in the heat sink.
  • the natural length of the elastic member 13 without external force can also be greater than the length of the first part 111, so that when assembled in the heat dissipation After the inside of the board, it can better reduce the contact force of the heat sink on the heat generating module.
  • the first diameter of the first portion 111 is greater than the second diameter of the second portion 112 .
  • the first diameter may be the outer diameter of the first part 111
  • the second diameter may be the outer diameter of the second part 112 . If the second part 112 is further provided with threads, the second diameter may also be the outer diameter of the second part 112 , or may be the outer diameter of the shaft of the second part except the threads.
  • the first diameter may be greater than the inner diameter of the insulating limiting member 12 , so as to prevent the insulating limiting member 12 from displacing to the outer surface of the first portion 111 under a stressed state.
  • the insulating stopper 12 can be better clamped on the stepped surface between the first part 111 and the second part 112, so that the insulating stopper 12 can better pass through the insulating part when fastening the connection.
  • the limiting member 12 realizes the function of positioning and limiting.
  • the insulating limiting member 12 is sheathed on the second portion 112 through interference fit, glue or screw fit.
  • the inner diameter of the insulating limiting member 12 is smaller than the second diameter of the second part 112 , or the difference between the inner diameter and the second diameter is smaller than a certain threshold.
  • the inner diameter of the insulating limiting member 12 may be equal to or smaller than the second diameter of the second part 112, so as to further increase the friction between the insulating limiting member 12 and the second part 112 .
  • the inner surface of the insulating limiting member 12 may be provided with a first thread
  • the part of the outer surface of the second part 112 that is in contact with the insulating limiting member 12 may be provided with a second thread.
  • the first thread and the second thread are threads that cooperate with each other.
  • the fastener 1 is used to connect the heat sink and the heat generating module; the first part 111 is used to be assembled in the heat sink, and the second part 112 is used to be fixedly connected to the heat generating module.
  • the first part 111 can be assembled in the installation position or the installation hole of the heat sink. If the fastener 1 further includes the elastic part 13, the elastic part 13 and the first part 111 can be assembled in the heat sink together.
  • the second part 112 can be fixedly connected to the heat generating module through the thread on the second section 1122.
  • a mounting hole can be provided on the heat generating module, and a The thread matching the thread on the second section 1122 is used for fixing and installing the fastener 1 .
  • the insulating limiting member 12 sleeved on the first section 1121 of the second part 112 can be located between the heat dissipation plate and the heat generating module, for example, the outer diameter of the insulating limiting member 12 can be larger than the heat dissipation plate The diameter of the upper mounting position is greater than the diameter of the mounting hole on the heat generating module.
  • the upper surface of the insulating limiting member 12 is in contact with the first part 111
  • the lower surface of the insulating limiting member 2 is used to be in contact with the heat generating module.
  • the upper surface of the insulating limiting member 12 may be in contact with the stepped surface formed between the first part 111 and the second part 112, for example, the outer diameter of the upper surface of the insulating limiting member 12 may be greater than or equal to The outer diameter of the stepped surface and the inner diameter of the upper surface are equal to or smaller than the outer diameter of the stepped surface.
  • the contact surface where the upper surface of the insulating limiting member 12 abuts with the first part 111 may be inside the heat dissipation plate, or may be between the heat dissipation plate and the heat generating module.
  • the fastener 1 forms a fastening connection through the first surface of the heat dissipation plate and the second surface of the heat generating module, and then the lower surface of the insulating limiting member 12 can be connected with the second surface of the heat generating module.
  • Surface contact realizes the position limiting function between the fastener 1 and the heat generating module.
  • an embodiment of the present disclosure provides a heat dissipation module, including: a heat dissipation plate 2 and fasteners 1 of one or more of the foregoing technical solutions;
  • the fastener 1 is used to connect the cooling plate 2 and the heat generating module.
  • one end of the fastener 1 in the heat dissipation module is connected to the heat dissipation plate 2 , and the other end is used to connect with the heat generation module.
  • the heat dissipation plate 2 may also include: a heat dissipation mesh surface, a refrigeration device, and the like.
  • the heat generating module may include a board facing the heat sink 2 and wiring, components, etc. arranged on the board.
  • the heat sink 2 is used to dissipate the heat generated by the board.
  • the thickness of the plate surface can be less than or equal to the length of the second part 112 of the fastener 1, or the thickness of the plate surface can be less than or equal to the length of the second section 1122, so that the fastener 1 can be better assembled on the on board.
  • the heat dissipation plate 2 in the heat dissipation module can be connected with one or more fasteners 1 to increase the stability of the heat dissipation module assembly.
  • the cooling module can be used to connect to one or more heat generating modules, and to dissipate heat from one or more heat generating modules.
  • the distance between the fasteners 1 can be determined according to the pressure resistance of the fasteners 1, the pressure resistance of the heat generating module, etc. Determine, wherein, the degree of pressure resistance of the fastener 1 can be determined according to the upper surface or lower surface area of the insulating limiting member 12 in the fastener 1 .
  • the fastener 1 can be specifically used to be connected to the heat generating module through screw fit, riveting, welding, and the like.
  • the fastener 1 passes through the thread provided on the second part 112 of the rod body 11, and the heat generating module
  • the first part 111 of the fastener 1 is assembled in the installation position, and the second part 112 of the fastener 1 is used for fixed connection with the heat generating module; the insulating limiter 12 of the fastener 1 is used for connecting with the heat generating module group contacts.
  • the mounting position may be a cavity-type mounting position for assembling part or all of the first part 111 in the mounting position, wherein the mounting position is used for loading the first part 111 of the fastener 1
  • the diameter of the opening may be slightly larger than the diameter of the first part 111 . In this way, after the fastener 1 is installed in the installation position, the inner surface of the opening of the installation position can be in close contact with the outer surface of the first part 111 , thereby better improving the stability of the fastener 1 .
  • the diameter of the upper surface of the insulating limiting member 12 may be equal to or greater than the diameter of the first part 111, and/or Alternatively, the diameter of the opening of the mounting position may be equal to or smaller than the diameter of the upper surface of the insulating limiting member 12 . In this way, the limiting function of the insulating limiting member 12 between the heat sink 2 and the heat generating module can be better improved.
  • the fastener 1 further includes: an elastic component 13;
  • the elastic component 13 is assembled together with the first part 111 in the installation position.
  • the expansion and contraction of the elastic component 13 can reduce the pressure formed by the heat dissipation plate 2 on the heat generation module, and further optimize the heat dissipation module. applicability.
  • the elastic member 13 when the elastic member 13 is a spring, its natural length without external force can be equal to or slightly larger than the cavity length of the installation position, so as to reduce the pressure of the cooling plate 2 on the heat generating module.
  • an embodiment of the present disclosure provides an electronic device, including: a heat generating module 3 and a heat dissipation module of one or more of the aforementioned technical solutions;
  • the fastener 1 in the heat dissipation module is used to connect the heat generation module 3 and the heat dissipation plate 2 in the heat dissipation module.
  • the heat generating module 3 may be a chip or a circuit board waiting for heat dissipation, for example, it may be a printed circuit board PCB or the like.
  • the heat generating module 3 has mounting holes
  • the second part 112 of the fastener 1 is fixedly connected with the heat generating module 3 through the installation hole.
  • the size of the mounting hole may match the diameter of the second part 112 , and the second part 112 penetrates or embeds the heat generating module 3 through the mounting hole to form a fixed connection with the heat generating module 3 .
  • the mounting hole is used on the inner surface in contact with the second part 112, and a second thread that matches the first thread on the outer surface of the second part 112 can be provided, so that the second part 112 can rotate
  • the way of matching is fixedly connected with the heat generating module 3 through the installation hole.
  • the embodiment of the present disclosure provides a spring screw that is applied under the positioning steps on the PCB without avoiding wiring, mainly including a screw rod, a spring and a nylon sleeve, wherein the nylon sleeve is crimped on the screw rod through interference fit.
  • the lower part and then assemble the spring, and realize the positioning and limiting of the spring screw through the lower part of the nylon sleeve.
  • the position where the screw rod matches the nylon sleeve is pressed with knurling to prevent the nylon sleeve from falling off due to external force.
  • the heat sink is transferred to the circuit board through the spring screw of the embodiment of the present disclosure, and the heat sink is in direct contact with the circuit board.
  • the spring screw is in contact with the PCB through the lower part of the nylon sleeve to realize the positioning and limit of the spring screw, which can realize the control of the force of the heat sink pressing on the chip through the compression of the spring.
  • the nylon sleeve is crimped on the smooth rod of the screw through interference fit.
  • nylon sleeve does not limit the material of the sleeve, and sleeves of other plastic materials can also be used, such as PC, ABS, PMMA, PP, PA and other materials.
  • the embodiment of the present disclosure proposes a spring screw that is applied under the positioning steps on the PCB without avoiding wire routing: the screw rod of the spring screw is stepped, and a nylon sleeve is arranged under the step surface of the thick rod.
  • the outer diameter of the nylon sleeve and The screw has a consistent thick shank with an inside diameter slightly smaller than the diameter of the threaded part.
  • the upper part of the threaded part of the screw is not threaded, only the lower part is processed with threads, and the nylon sleeve is pressed into the non-threaded polished rod through interference fit, and positioned by the stepped surface of the screw itself.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

Les modes de réalisation de la présente invention concernent un élément de fixation, un module de dissipation de chaleur et un dispositif électronique. L'élément de fixation comprend une tige et un élément de limitation isolant. La tige comprend une première partie et une seconde partie reliée à la première partie. L'élément de limitation isolant est emmanché sur la seconde partie.
PCT/CN2022/131151 2021-12-28 2022-11-10 Élément de fixation, module de dissipation de chaleur et dispositif électronique WO2023124569A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202123348781.8 2021-12-28
CN202123348781.8U CN217336227U (zh) 2021-12-28 2021-12-28 紧固件、散热模组及电子设备

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WO2023124569A1 true WO2023124569A1 (fr) 2023-07-06

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN217336227U (zh) * 2021-12-28 2022-08-30 北京比特大陆科技有限公司 紧固件、散热模组及电子设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070091576A1 (en) * 2005-10-21 2007-04-26 Shih-Hsun Wung Heat dissipating assembly
CN102573376A (zh) * 2012-02-27 2012-07-11 华为技术有限公司 用于固定电子元件的绝缘结构、电子元件和组件
US20140060791A1 (en) * 2012-08-31 2014-03-06 Jian Sun Heat dissipation device having fastener
CN211017061U (zh) * 2019-11-06 2020-07-14 西安诺瓦星云科技股份有限公司 散热装置以及散热组件
CN217336227U (zh) * 2021-12-28 2022-08-30 北京比特大陆科技有限公司 紧固件、散热模组及电子设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070091576A1 (en) * 2005-10-21 2007-04-26 Shih-Hsun Wung Heat dissipating assembly
CN102573376A (zh) * 2012-02-27 2012-07-11 华为技术有限公司 用于固定电子元件的绝缘结构、电子元件和组件
US20140060791A1 (en) * 2012-08-31 2014-03-06 Jian Sun Heat dissipation device having fastener
CN211017061U (zh) * 2019-11-06 2020-07-14 西安诺瓦星云科技股份有限公司 散热装置以及散热组件
CN217336227U (zh) * 2021-12-28 2022-08-30 北京比特大陆科技有限公司 紧固件、散热模组及电子设备

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