Magnetic heat dissipation device capable of being quickly disassembled and assembled

Abstract

The invention discloses a magnetic heat dissipation device capable of being quickly disassembled and assembled. The magnetic heat dissipation device comprises a display card, a shell and a plurality of fan groups, the display card is provided with a first connector and a plurality of first magnetic attraction pieces, and the first connector is electrically connected with a PCB of the display card; the shell comprises a second connector and a plurality of second magnetic attraction pieces; the first magnetic attraction piece and the second magnetic attraction piece are correspondingly arranged and magnetically attracted with each other, and the first connector and the second connector are correspondingly arranged and electrically connected; the shell further comprises a third connector and a plurality of third magnetic attraction pieces. The fan group comprises a fourth connector and a plurality of fourth magnetic attraction pieces, and the fourth connector is electrically connected with the driving PCB; the third magnetic attraction piece and the fourth magnetic attraction piece are correspondingly arranged and magnetically attracted to each other. The third connector and the fourth connector are correspondingly arranged and electrically connected. The heat dissipation device has the advantages of being simple to assemble, easy to operate and free of assembling wires and cables.

Description

Technical Field

[0001] The invention relates to the technical field of heat dissipation devices, and in particular to a magnetic quick-disassembly heat dissipation device. Background Art

[0002] With the development of the electronics industry, the development of electronic products is gradually evolving towards high performance, high frequency, high speed and thinness. As the performance of electronic products continues to improve, the computing speed is getting faster and faster, the computing speed of its internal chipset is constantly improving, the number of chips is constantly increasing, and the heat emitted by the chips when working is also increasing accordingly. If this heat is not dissipated in time, it will greatly affect the performance of electronic products, causing the computing speed of electronic products to decrease. As the heat continues to accumulate, it may also burn the electronic products. When dissipating heat from graphics cards, CPUs and other devices that generate a lot of heat, multiple cooling fans are usually used in parallel to improve the heat dissipation effect.

[0003] In the prior art, a plurality of cooling fans are mostly conductively connected by plugging and connecting male terminals and female terminals. A large number of conductive wires are used for conductive input, resulting in a relatively messy connection.

[0004] Chinese patent CN218825452U discloses a series of cooling fans, including a plurality of fan units arranged in series and abutting against each other, one side of the fan unit is penetrated by a notch for burying power supply wiring, the notches of adjacent fan units are placed in the same direction and connected with fixing strips, and the fixing and disassembly of adjacent fan units are achieved by connecting the fixing strips and the notches; when the fixing strips are installed on the notches, the fixing strips and the notches constitute a connection channel for burying power supply wiring. Although the connection channel for burying power supply wiring is provided to avoid cumbersome wiring, the traditional wiring method is still relatively complicated and inconvenient for disassembly and assembly of the cooling device. Summary of the invention

[0005] In view of this, the purpose of the present invention is to overcome the problems existing in the prior art and provide a magnetic quick-disassembly heat dissipation device, which has the advantages of simple assembly, easy operation, and no need to assemble wires and cables.

[0006] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0007] A magnetic quick-disassembly heat dissipation device, comprising a graphics card, a shell arranged above the graphics card, and a plurality of fan groups arranged in the shell; the upper end surface of the graphics card is provided with a plurality of first magnetic attracting members, a side end of the upper end surface of the graphics card is provided with a first connector, and the first connector is electrically connected to a PCB board of the graphics card; the shell comprises a side wall frame and a cover plate arranged at the upper end of the side wall frame, a lower end surface of the cover plate is provided with a plurality of second magnetic attracting members, and a side end of the lower end surface of the cover plate is provided with a second connector; the first magnetic attracting members and the second magnetic attracting members are arranged correspondingly and magnetically attracted to each other, and the first connector and the second connector are arranged correspondingly and electrically connected; The cover plate is also provided with a plurality of installation openings, a plurality of third magnetic parts are provided in the area around the installation openings, and a third connector is also provided in the area around the installation openings; the fan group includes a mounting frame, a fan body mounted in the mounting frame, and a driving PCB board embedded in the mounting frame, the mounting frame is annular, a plurality of fourth magnetic parts are provided on the outer ring wall of the mounting frame, a fourth connector is also provided on the outer ring wall of the mounting frame, and the fourth connector is electrically connected to the driving PCB board; the third magnetic parts and the fourth magnetic parts are correspondingly arranged and magnetically attracted to each other, and the third connector and the fourth connector are correspondingly arranged and electrically connected.

[0008] Preferably, the first connector, the second connector, the third connector and the fourth connector are all POGO PIN connectors, the first connector includes a first power PCB board, a first colloid and a first spring ejector pin; the second connector includes a second power PCB board, a second colloid and a second spring ejector pin; the third connector includes a third power PCB board, a third colloid and a third spring ejector pin; the fourth connector includes a fourth power PCB board, a fourth colloid and a fourth spring ejector pin.

[0009] Preferably, the graphics card is also provided with a first mounting groove for fixing the first connector, the first power PCB board is fixed in the first mounting groove and electrically connected to the PCB board of the graphics card, the first spring ejector pin is arranged above the first power PCB board through a first colloid, one end of the first spring ejector pin is electrically connected to the first power PCB board, and the other end of the first spring ejector pin is elastically connected to the second spring ejector pin.

[0010] Preferably, the shell is further provided with a second mounting groove for fixing the second connector, the second power PCB board is fixed to the second mounting groove, the second spring ejector pin is arranged below the second power PCB board through a second colloid, one end of the second spring ejector pin is electrically connected to the second power PCB board, and the other end of the second spring ejector pin is elastically connected to the first spring ejector pin.

[0011] Preferably, the shell is further provided with a third mounting groove for fixing the third connector, the third power PCB board is fixed in the third mounting groove, the third spring ejector pin is arranged below the third power PCB board through a third colloid, one end of the third spring ejector pin is electrically connected to the third power PCB board, and the other end of the third spring ejector pin is elastically connected to the fourth spring ejector pin.

[0012] Preferably, the fan group is further provided with a fourth mounting slot for fixing a fourth connector, the fourth power supply PCB board is fixed in the fourth mounting slot and electrically connected to the driving PCB board, the fourth spring ejector pin is arranged above the fourth power supply PCB board through a fourth colloid, one end of the fourth spring ejector pin is electrically connected to the fourth power supply PCB board, and the other end of the fourth spring ejector pin is elastically connected to the third spring ejector pin.

[0013] Preferably, the graphics card is also provided with a first fixing groove for fixing the first magnetic component, the number of the first fixing grooves corresponds to the number of the first magnetic components, and the plurality of the first fixing grooves are respectively arranged at the four corners of the upper end surface of the graphics card; the shell is also provided with a second fixing groove for fixing the second magnetic component, the number of the second fixing grooves corresponds to the number of the second magnetic components, and the plurality of the second fixing grooves are respectively arranged at the four corners of the lower end surface of the cover plate.

[0014] Preferably, the shell is also provided with a third fixing groove for fixing the third magnetic component, the number of the third fixing grooves corresponds to the number of the third magnetic components, and a plurality of the third fixing grooves are equidistantly arranged in the area around the mounting port; the fan group is also provided with a fourth fixing groove for fixing the fourth magnetic component; the number of the fourth fixing grooves corresponds to the number of the fourth magnetic components, and a plurality of the fourth fixing grooves are equidistantly arranged on the outer ring wall of the mounting frame.

[0015] Preferably, the shell is also provided with a first reinforced magnetic component, which is arranged between adjacent installation ports, and the graphics card is also provided with a second reinforced magnetic component corresponding to the first reinforced magnetic component; the first reinforced magnetic component and the second reinforced magnetic component are magnetically attracted to each other to enhance the connection stability between the shell and the graphics card.

[0016] Preferably, the installation frame is provided with an axis core, and the fan body is provided with an axis seat matching the axis core; the fan body is installed on the installation frame by inserting the axis core into the axis seat.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention forms a quick-disassembly structure between the graphics card and the shell by setting a first magnetic attraction component and a second magnetic attraction component, and utilizes the mutual magnetic attraction between the two components; forms a quick-disassembly structure between the shell and the fan group by setting a third magnetic attraction component and a fourth magnetic attraction component, and utilizes the mutual magnetic attraction between the two components; and forms a first connector, a second connector, a third connector and a fourth connector. When the graphics card and the shell form a quick-disassembly structure by using the first magnetic attraction component and the second magnetic attraction component, an electrical connection is achieved between the first connector and the second connector. When the shell and the fan group form a quick-disassembly structure by using the third magnetic attraction component and the fourth magnetic attraction component, an electrical connection is achieved between the third connector and the fourth connector. That is, when the graphics card, the shell and the fan group are assembled in sequence, the heat dissipation device is electrically connected without the need for an additional assembly process for wires and cables. The heat dissipation device uses a POGO PIN connector to replace a traditional socket cable connection, so that the heat dissipation device has the advantages of simple assembly, easy operation and quick disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 is an exploded view of the present invention;

[0021] Figure 3 is an exploded view of the graphics card of the present invention;

[0022] Figure 4 yes Figure 3 A magnified view of middle;

[0023] Figure 5 is an exploded view of the housing in the present invention;

[0024] Figure 6 yes Figure 5 Enlarged view of middle B;

[0025] Figure 7 is an exploded view of the fan assembly in the present invention;

[0026] Figure 8 yes Figure 7 Enlarged view of middle C;

[0027] Fig. 9 It is an exploded view of the fan assembly in the present invention from another perspective.

[0028] The accompanying drawings are marked as follows:

[0029] 1-graphics card, 11-first magnetic attraction member, 12-first connector, 121-first power supply PCB board, 122-first colloid, 123-first spring ejector pin, 13-first mounting slot, 14-first fixing slot, 15-second reinforcing magnetic attraction member, 16-sixth fixing slot;

[0030] 2-housing, 21-side wall frame, 22-cover plate, 23-second magnetic member, 24-second connector, 241-second power supply PCB board, 242-second colloid, 243-second spring ejector pin, 25-installation port, 26-third magnetic member, 27-third connector, 271-third power supply PCB board, 272-third colloid, 273-third spring ejector pin, 28-second installation slot, 29-third installation slot, 210-second fixing slot, 211-third fixing slot, 212-first reinforcing magnetic member, 213-fifth fixing slot;

[0031] 3-fan assembly, 31-installation frame, 32-fan body, 33-drive PCB board, 34-fourth magnetic attraction component, 35-fourth connector, 351-fourth power supply PCB board, 352-fourth colloid, 353-fourth spring ejector pin, 36-fourth installation slot, 37-fourth fixing slot, 38-axis core, 39-axis seat. DETAILED DESCRIPTION

[0032] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the embodiments are not intended to limit the present invention.

[0033] Example

[0034] like Figure 1-9As shown, the present embodiment discloses a magnetic quick-disassembly and cooling device, comprising a graphics card 1, a shell 2 arranged above the graphics card 1, and a plurality of fan groups 3 arranged in the shell 2; the upper end surface of the graphics card 1 is provided with a plurality of first magnetic suction members 11, and a first connector 12 is provided at one side end of the upper end surface of the graphics card 1, and the first connector 12 is electrically connected to the PCB board of the graphics card 1; the shell 2 comprises a side wall frame 21 and a cover plate 22 arranged at the upper end of the side wall frame 21, the lower end surface of the cover plate 22 is provided with a plurality of second magnetic suction members 23, and a second connector 24 is provided at one side end of the lower end surface of the cover plate 22; the first magnetic suction members 11 and the second magnetic suction members 23 are arranged correspondingly and magnetically attracted to each other, and the first connector 12 and the second connector 23 are arranged correspondingly and electrically connected ; The cover plate 22 is also provided with a plurality of installation openings 25, and the area around the installation openings 25 is provided with a plurality of third magnetic members 26, and the area around the installation openings 25 is also provided with a third connector 27; the fan group 3 includes a mounting frame 31, a fan body 32 mounted in the mounting frame 31, and a driving PCB board 33 embedded in the mounting frame 31, the mounting frame 31 is annular, and the outer ring wall of the mounting frame 31 is provided with a plurality of fourth magnetic members 34, and the outer ring wall of the mounting frame 31 is also provided with a fourth connector 35, and the fourth connector 35 is electrically connected to the driving PCB board 33; the third magnetic members 26 and the fourth magnetic members 34 are correspondingly arranged and magnetically attracted to each other, and the third connector 27 and the fourth connector 35 are correspondingly arranged and electrically connected.

[0035] The present invention forms a quick-disassembly structure between the graphics card 1 and the shell 2 by providing a first magnetic attraction member 11 and a second magnetic attraction member 23, and utilizes the mutual magnetic attraction between the two. The present invention forms a quick-disassembly structure between the graphics card 1 and the shell 2 by providing a third magnetic attraction member 26 and a fourth magnetic attraction member 34, and utilizes the mutual magnetic attraction between the two to form a quick-disassembly structure between the shell 2 and the fan group 3. The present invention forms a first connector 12, a second connector 24, a third connector 27 and a fourth connector 34. When the graphics card 1 and the shell 2 form a quick-disassembly structure by using the first magnetic attraction member 11 and the second magnetic attraction member 23, the first connector 12 and the second connector 24 are electrically connected. When the shell 2 and the fan group 3 form a quick-disassembly structure by using the third magnetic attraction member 26 and the fourth magnetic attraction member 34, the third connector 27 and the fourth connector 34 are electrically connected. That is, when the graphics card 1, the shell 2 and the fan group 3 are assembled in sequence, the heat dissipation device is electrically connected without the need for an additional assembly process of wires and cables. The heat dissipation device replaces the traditional socket cable connection, so that the heat dissipation device has the advantages of simple assembly, easy operation and quick disassembly.

[0036] In this embodiment, the first connector 12, the second connector 24, the third connector 27 and the fourth connector 35 are all POGO PIN connectors, the first connector 12 includes a first power PCB board 121, a first colloid 122 and a first spring ejector pin 123; the second connector 24 includes a second power PCB board 241, a second colloid 242 and a second spring ejector pin 243; the third connector 27 includes a third power PCB board 271, a third colloid 272 and a third spring ejector pin 273; the fourth connector 35 includes a fourth power PCB board 351, a fourth colloid 352 and a fourth spring ejector pin 353. The first connector 12, the second connector 24, the third connector 27, the fourth connector 35, the PCB board of the graphics card 1 and the driving PCB board 33 of the fan group 3 are all electrically connected. The POGO PIN connector has tolerance. The assembly requirements for the first connector 12, the second connector 24, the third connector 27 and the fourth connector 35 are not high. When the first spring ejector pin 123 is elastically connected to the second spring ejector pin 243, a stable electrical connection is formed between the first power PCB board 121 and the second power PCB board 241. When the third spring ejector pin 273 is elastically connected to the fourth spring ejector pin 353, a stable electrical connection is formed between the third power PCB board 271 and the fourth power PCB board 351. That is, in actual application, after the graphics card 1, the housing 2 and the fan group 3 are assembled in sequence, the PCB board of the graphics card 1 transmits electrical signals to the driving PCB board 33 through the first connector 12, the second connector 24, the third connector 27 and the fourth connector 35 in sequence, and finally the driving PCB board 33 drives the fan group 3 to rotate, thereby realizing the heat dissipation function of the fan group 3 on the graphics card 1, thereby improving the assembly efficiency of the heat dissipation device.

[0037] In this embodiment, the graphics card 1 is further provided with a first mounting groove 13 for fixing the first connector 12, the first power PCB board 121 is fixed to the first mounting groove 13 by screws and is electrically connected to the PCB board of the graphics card 1, the first spring ejector pin 123 is arranged above the first power PCB board 121 through the first colloid 122, one end of the first spring ejector pin 123 is electrically connected to the first power PCB board 121, and the other end of the first spring ejector pin 123 is elastically connected to the second spring ejector pin 243.

[0038] In this embodiment, the shell 2 is further provided with a second mounting groove 28 for fixing the second connector 24, the second power PCB board 241 is fixed to the second mounting groove 28 by screws, the second spring ejector pin 243 is arranged below the second power PCB board 241 through the second colloid 242, one end of the second spring ejector pin 243 is electrically connected to the second power PCB board 241, and the other end of the second spring ejector pin 243 is elastically connected to the first spring ejector pin 123.

[0039] In this embodiment, the shell 2 is further provided with a third mounting groove 29 for fixing the third connector 27. The third power PCB board 271 is fixed to the third mounting groove 29 by screws. The third spring ejector pin 273 is arranged below the third power PCB board 271 through the third colloid 272. One end of the third spring ejector pin 273 is electrically connected to the third power PCB board 271, and the other end of the third spring ejector pin 273 is elastically connected to the fourth spring ejector pin 353.

[0040] In this embodiment, the fan group 3 is also provided with a fourth mounting groove 36 for fixing the fourth connector 35. The fourth power supply PCB board 351 is fixed to the fourth mounting groove 36 by screws and is electrically connected to the driving PCB board 33. The fourth spring ejector pin 353 is arranged above the fourth power supply PCB board 351 through a fourth colloid 352. One end of the fourth spring ejector pin 353 is electrically connected to the fourth power supply PCB board 351, and the other end of the fourth spring ejector pin 353 is elastically connected to the third spring ejector pin 273.

[0041] In this embodiment, the graphics card 1 is further provided with a first fixing groove 14 for fixing the first magnetic member 11, the number of the first fixing grooves 14 corresponds to the number of the first magnetic members 11, and the plurality of the first fixing grooves 14 are respectively arranged at the four corners of the upper end surface of the graphics card 1; the housing 2 is further provided with a second fixing groove 210 for fixing the second magnetic member 23, the number of the second fixing grooves 210 corresponds to the number of the second magnetic members 23, and the plurality of the second fixing grooves 210 are respectively arranged at the four corners of the lower end surface of the cover plate 22. Preferably, the number of the first fixing grooves 14 and the number of the first magnetic members 11 are both four, the four first fixing grooves 14 are respectively arranged at the four corners of the upper end surface of the graphics card 1, and the first magnetic member 11 is correspondingly arranged in the first fixing groove 14; the number of the second fixing grooves 210 and the number of the second magnetic members 23 are both four, the four second fixing grooves 210 are respectively arranged at the four corners of the lower end surface of the cover plate 22, and the second magnetic member 23 is correspondingly arranged in the second fixing grooves 210. Through the above arrangement, it is possible to ensure that the magnetic attraction between the graphics card 1 and the housing 2 is stable and automatically aligned, further improving the assembly speed of the heat dissipation device.

[0042] In this embodiment, the shell 2 is also provided with a third fixing groove 211 for fixing the third magnetic component 26, the number of the third fixing grooves 211 corresponds to the number of the third magnetic components 26, and the plurality of the third fixing grooves 211 are equidistantly arranged in the area around the mounting port 25; the fan group 3 is also provided with a fourth fixing groove 37 for fixing the fourth magnetic component 34; the number of the fourth fixing grooves 37 corresponds to the number of the fourth magnetic components 34, and the plurality of the fourth fixing grooves 37 are equidistantly arranged on the outer ring wall of the mounting frame 31. Preferably, the number of the third fixing slots 211 and the number of the third magnetic members 26 are both twelve, and each mounting opening 25 is provided with four third fixing slots 211 and four third magnetic members 26, and the four third fixing slots are evenly spaced in the area around the mounting opening 25, and the four third magnetic members 26 are correspondingly arranged in the third fixing slots 211; the number of the fourth fixing slots 37 and the number of the fourth magnetic members 34 are both twelve, and each fan group 3 is provided with four fourth fixing slots 37 and four fourth magnetic members 34, and the four fourth fixing slots 37 are evenly spaced in the outer ring wall of the mounting frame 31, and the four fourth magnetic members 34 are correspondingly arranged in the fourth fixing slots 37. Through the above arrangement, the magnetic attraction between the housing 2 and the fan group 3 is stable and automatically aligned, further improving the assembly rate of the heat dissipation device.

[0043] In this embodiment, the housing 2 is further provided with a first reinforced magnetic member 212, which is disposed between adjacent mounting openings 25, and the graphics card 1 is further provided with a second reinforced magnetic member 15 disposed corresponding to the first reinforced magnetic member 212; the first reinforced magnetic member 212 and the second reinforced magnetic member 15 are mutually magnetically attracted to enhance the connection stability between the housing 2 and the graphics card 1. Preferably, the housing 2 is provided with a fifth fixing groove 213 for fixing the first reinforced magnetic member 212, and the fifth fixing groove 213 is disposed on the lower end surface of the cover plate 22, and the graphics card 1 is provided with a sixth fixing groove 16 for fixing the second reinforced magnetic member 15, and the sixth fixing groove 16 is disposed on the upper end surface of the graphics card 1.

[0044] In this embodiment, the installation frame 31 is provided with an axis core 38, and the fan body 32 is provided with an axis seat 39 matching the axis core 38; the fan body 32 is installed on the installation frame 31 by inserting the axis core 38 into the axis seat 39. By providing the axis core 38 and the axis seat 39, when the fan blades of the fan body 32 are covered with dust or other failures occur and the fan body 32 needs to be replaced, the fan body 32 can be disassembled by simply moving the axis seat 39 along the axis core 38.

[0045] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used herein to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A magnetic quick-disassembly heat dissipation device, characterized in that: The invention comprises a graphics card, a shell arranged above the graphics card and a plurality of fan groups arranged in the shell; the upper end surface of the graphics card is provided with a plurality of first magnetic suction members, a side end of the upper end surface of the graphics card is provided with a first connector, and the first connector is electrically connected to the PCB board of the graphics card; the shell comprises a side wall frame and a cover plate arranged at the upper end of the side wall frame, the lower end surface of the cover plate is provided with a plurality of second magnetic suction members, and a side end of the lower end surface of the cover plate is provided with a second connector; the first magnetic suction members and the second magnetic suction members are arranged correspondingly and are magnetically attracted to each other, the first connector and the second connector are arranged correspondingly and are electrically connected; the cover plate is also provided with a A plurality of mounting openings are provided, a plurality of third magnetic parts are provided in the area around the mounting openings, and a third connector is also provided in the area around the mounting openings; the fan group includes a mounting frame, a fan body installed in the mounting frame, and a driving PCB board embedded in the mounting frame, the mounting frame is annular, a plurality of fourth magnetic parts are provided on the outer ring wall of the mounting frame, a fourth connector is also provided on the outer ring wall of the mounting frame, and the fourth connector is electrically connected to the driving PCB board; the third magnetic parts and the fourth magnetic parts are correspondingly arranged and magnetically attracted to each other, and the third connector and the fourth connector are correspondingly arranged and electrically connected.

2. The magnetic quick-disassembly heat dissipation device according to claim 1, characterized in that: The first connector, the second connector, the third connector and the fourth connector are all POGO PIN connectors. The first connector includes a first power PCB board, a first colloid and a first spring ejector pin; the second connector includes a second power PCB board, a second colloid and a second spring ejector pin; the third connector includes a third power PCB board, a third colloid and a third spring ejector pin; the fourth connector includes a fourth power PCB board, a fourth colloid and a fourth spring ejector pin.

3. A magnetic quick-disassembly heat dissipation device according to claim 2, characterized in that: The graphics card is also provided with a first mounting groove for fixing the first connector, the first power PCB board is fixed in the first mounting groove and electrically connected to the PCB board of the graphics card, the first spring ejector pin is arranged above the first power PCB board through a first colloid, one end of the first spring ejector pin is electrically connected to the first power PCB board, and the other end of the first spring ejector pin is elastically connected to the second spring ejector pin.

4. The magnetic quick-disassembly heat dissipation device according to claim 3, characterized in that: The shell is also provided with a second mounting groove for fixing the second connector, the second power PCB board is fixed in the second mounting groove, the second spring ejector pin is arranged below the second power PCB board through the second colloid, one end of the second spring ejector pin is electrically connected to the second power PCB board, and the other end of the second spring ejector pin is elastically connected to the first spring ejector pin.

5. The magnetic quick-disassembly heat dissipation device according to claim 2, characterized in that: The shell is also provided with a third mounting groove for fixing the third connector, the third power PCB board is fixed in the third mounting groove, the third spring ejector is arranged below the third power PCB board through a third colloid, one end of the third spring ejector is electrically connected to the third power PCB board, and the other end of the third spring ejector is elastically connected to the fourth spring ejector.

6. The magnetic quick-disassembly heat dissipation device according to claim 5, characterized in that: The fan group is also provided with a fourth mounting groove for fixing the fourth connector, the fourth power supply PCB board is fixed in the fourth mounting groove and electrically connected to the driving PCB board, the fourth spring ejector pin is arranged above the fourth power supply PCB board through a fourth colloid, one end of the fourth spring ejector pin is electrically connected to the fourth power supply PCB board, and the other end of the fourth spring ejector pin is elastically connected to the third spring ejector pin.

7. The magnetic quick-disassembly heat dissipation device according to claim 1, characterized in that: The graphics card is also provided with a first fixing groove for fixing the first magnetic component, the number of the first fixing grooves corresponds to the number of the first magnetic components, and the plurality of the first fixing grooves are respectively arranged at the four corners of the upper end surface of the graphics card; the shell is also provided with a second fixing groove for fixing the second magnetic component, the number of the second fixing grooves corresponds to the number of the second magnetic components, and the plurality of the second fixing grooves are respectively arranged at the four corners of the lower end surface of the cover plate.

8. The magnetic quick-disassembly heat dissipation device according to claim 1, characterized in that: The shell is also provided with a third fixing groove for fixing the third magnetic component, the number of the third fixing grooves corresponds to the number of the third magnetic components, and a plurality of the third fixing grooves are equidistantly arranged in the area around the mounting port; the fan group is also provided with a fourth fixing groove for fixing the fourth magnetic component; the number of the fourth fixing grooves corresponds to the number of the fourth magnetic components, and a plurality of the fourth fixing grooves are equidistantly arranged in the outer ring wall of the mounting frame.

9. The magnetic quick-disassembly heat dissipation device according to claim 1, characterized in that: The shell is also provided with a first reinforced magnetic component, which is arranged between adjacent installation ports. The graphics card is also provided with a second reinforced magnetic component corresponding to the first reinforced magnetic component. The first reinforced magnetic component and the second reinforced magnetic component are magnetically attracted to each other to enhance the connection stability between the shell and the graphics card.

10. The magnetic quick-disassembly heat dissipation device according to claim 1, characterized in that: The installation frame is provided with an axis core, and the fan body is provided with an axis seat matching the axis core; the fan body is installed on the installation frame by inserting the axis core into the axis seat.

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