CN114025585A - Heat dissipation device for electronic component - Google Patents

Abstract

The invention relates to the technical field of radiators, in particular to a heat dissipation device for electronic components, which comprises a top plate and a bottom plate, wherein the top plate and the bottom plate are both arranged in a hollow mode, a plurality of first pipes are communicated between the top plate and the bottom plate, a first liquid pipe for adding phase change liquid is arranged on the bottom plate, the first liquid pipe is communicated with the bottom plate, the vertical side walls of the top plate and the bottom plate are jointly connected with a heat dissipation box, a heat dissipation opening is formed in one side wall of a heat dissipation shell, the heat dissipation opening is shielded by the plurality of first pipes, a fan is arranged in the heat dissipation box and faces the heat dissipation opening, and a cooling assembly for cooling air blown out by the fan is arranged on the heat dissipation box. The electronic component has the effect of enabling the electronic component to be normally used.

Description

Heat dissipation device for electronic component

Technical Field

The invention relates to the technical field of radiators, in particular to a heat dissipation device for an electronic component.

Background

With the appearance of high-power electronic components and the development of ultrahigh-integration electronic components towards high speed, high frequency and high power, the heat productivity of the electronic components is larger and larger, the heat flux density and the surface temperature are higher and higher, the reliability and the service life of the components are influenced, and higher requirements are provided for heat dissipation. The existing phase change radiator has low backflow speed after the working medium is liquefied, and can not meet the current heat dissipation requirement.

Chinese patent publication No. CN201609005U discloses a finned phase-change electronic radiator, which includes a soaking cavity, a fin shell, a foam metal and a phase-change material, wherein the soaking cavity is connected with the fin shell to form an integral cavity, the phase-change material is disposed in the cavity, and a fan for forced convection is disposed on the side surface or the top end of the fin shell.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the temperature of the working environment where the fan is located is higher, the temperature of wind blown onto the fin shell by the fan is higher, the heat dissipation effect of the fan on the fin shell is reduced, the heat dissipation effect of the heat radiator on the electronic component is poor, and the normal work of the electronic component is influenced.

Disclosure of Invention

In order to enable the electronic element to be used normally, the application provides a heat dissipation device for an electronic component.

The application provides a heat abstractor for electronic components adopts following technical scheme:

the utility model provides a heat abstractor for electronic components, includes roof and bottom plate, the roof with the equal cavity of bottom plate sets up, the roof with the intercommunication has a plurality of first pipes between the bottom plate, be equipped with the first liquid pipe that is used for adding the liquid that changes phase on the bottom plate, first liquid pipe with the bottom plate intercommunication, be connected with the heat dissipation box on the vertical lateral wall of roof and bottom plate jointly, the thermovent has been seted up to a lateral wall of heat dissipation box, and is a plurality of first pipe shelters from the thermovent, be equipped with the fan in the heat dissipation box, the fan orientation the thermovent sets up, be equipped with on the heat dissipation box and be used for right the wind that the fan blew off cools down the cooling subassembly.

Through adopting above-mentioned technical scheme, during the use, the operator starts the cooling subassembly to start the fan, after the cooling of wind process cooling subassembly, the temperature of wind reduces, and rethread thermovent blows to a plurality of first pipes, can dispel the heat to first pipe, consequently, has reduced the possibility that directly blows hot wind to first pipe, makes heat abstractor can normally work, to sum up, this application can make electronic component normal use.

Optionally, the cooling assembly includes a first water box, a water pump, a connecting pipe, a first water supply pipe, a first return pipe, a refrigerating element for refrigerating water in the first water box, a plurality of water hoses, and a ventilation pipe, both ends of the ventilation pipe are sealed, the ventilation pipe is communicated with an air outlet end of the fan, the ventilation pipe is in a serpentine shape, the refrigerating element is disposed on the first water box, the water pump is disposed on the first water box, a water inlet end of the water pump is communicated with water in the first water box through the connecting pipe, a water outlet end of the water pump is communicated with the first water supply pipe, the side wall of the first water box is communicated with the first return pipe, the plurality of water hoses are communicated between the first water supply pipe and the first return pipe, the ventilation pipe is sleeved outside the plurality of water hoses, one end of the ventilation pipe close to the heat dissipation port is provided with a plurality of air outlets, the air outlets face the heat dissipation opening.

By adopting the technical scheme, when in use, an operator cools water in the first water box through the refrigerating part, then the water pump is started, the cooling water in the first water box is extracted by the water pump and is conveyed into the first water supply pipe, then the cooling water flows into the water hoses respectively to enable the water hoses to expand due to the fact that the water is filled with the water, the cross sections of the water hoses are circular, then the cooling water flows into the first return pipe to form a water circulation, the operator starts the fan, air blown out by the fan enters the ventilation pipe and is in contact with the water hoses, the air passes through gaps between the water hoses and the inner walls of the ventilation pipe, the water hoses can cool the air under the action of the cooling water, the air is blown out by the air outlet, the ventilation pipe is arranged in a snake shape, the moving time of the ventilation pipe is prolonged, the cooling time of the air by the water hoses is prolonged, the cooling effect is improved, and the possibility of temperature rise due to the contact of the air blown out by the fan is reduced by the arrangement of the ventilation pipe, further improving the cooling effect to the wind.

Optionally, a plurality of second pipes are arranged at one ends of the water hoses close to the first water supply pipe, one ends of the second pipes are communicated with the first water supply pipe, the other ends of the second pipes are communicated with the water hoses, and a control valve is arranged on each second pipe.

Through adopting above-mentioned technical scheme, during the use, the operator can realize the independent control to each hosepipe through the control valve, when needs increase amount of wind, the operator can close the control valve, make the water yield of inflow hosepipe reduce, and then the hosepipe is supported the volume reduction by the cooling water, the amount of wind increase that blows off in the ventilation pipe in proper order, when needs reduce the amount of wind, the operator can open big control valve, make the hosepipe supported the volume increase, and then the hole that the confession wind passed in the ventilation pipe reduces, and then play the effect that reduces the amount of wind, and then realized playing the effect of regulation to the amount of wind of air outlet through the inflation volume of hosepipe.

Optionally, the outer side wall of the water hose is provided with a plurality of supporting protrusions, and when the water hose is filled with cooling water, the supporting protrusions are abutted against the side wall of the ventilation pipe.

Through adopting above-mentioned technical scheme, when the hosepipe was supported by the cooling water, the lateral wall of ventilation pipe can be contradicted to the support arch, makes to have the clearance all the time between hosepipe and the ventilation pipe inside, can guarantee that the wind that the fan blew off normally passes through.

Optionally, a heat dissipation fin is arranged between every two adjacent first tubes, the heat dissipation fin is arranged in a wave shape, and the heat dissipation fin is in contact with the first tubes.

Through adopting above-mentioned technical scheme, through setting up radiating fin, increased with the area of contact of the wind that blows off from the thermovent, be favorable to the gaseous phase transition liquid heat dissipation of first intraductal to form liquid, continue to dispel the heat to electronic components.

Optionally, the access hole has been seted up at the top of heat dissipation box, it has the shielding plate that is used for sheltering from to articulate on the heat dissipation box the access hole, be equipped with a plurality of bracing pieces on the inside wall of heat dissipation box, be equipped with the joint board on the bracing piece, the joint board be the arc setting and with the ventilation pipe joint.

Through adopting above-mentioned technical scheme, the operator with the ventilation pipe joint in the joint board, the joint board presss from both sides the ventilation pipe tightly, the ventilation pipe has been propped up to the bracing piece, when wind passes through in the ventilation pipe, the joint board can play tight effect of clamp, has reduced the ventilation pipe because of rocking the possibility that produces the noise.

Optionally, through holes are formed in the two ends of the ventilation pipe, the through holes are arranged in one-to-one correspondence with the plurality of water hoses, the water hoses are connected with the through holes through magic tapes, one end of each water hose is detachably connected with the first water supply pipe, and the other end of each water hose is detachably connected with the return pipe.

Through adopting above-mentioned technical scheme, when the water yield in a certain water tape reduces, the jacking force of cooling water to the hosepipe lateral wall reduces, the hosepipe collapses easily, and then and produce the gap between the through hole, easy air leakage, the magic is pasted and can be made the hosepipe bond with the lateral wall of through hole all the time, the possibility that produces air leakage has been reduced, when needs change the hosepipe, with the one end and the first delivery pipe split of hosepipe, the other end and the split of first reflux pipe, hook face and the matte split of pasting the magic through the manpower again, the convenient hosepipe of will damaging is torn down.

Optionally, a buffer pad is arranged on the side wall of the clamping plate, and the buffer pad is attached to the side wall of the ventilation pipe.

Through adopting above-mentioned technical scheme, reduce the effect that has played the buffering on the one hand, reduced the ventilation pipe and produced the possibility of rocking, on the other hand, blotter and ventilation pipe elastic contact can produce a certain amount of deformation, make joint board more stable with the ventilation pipe clamp.

In summary, the present application includes at least one of the following beneficial technical effects:

according to the cooling device, the cooling box, the heat dissipation port, the fan and the cooling assembly are arranged, when the cooling device is used, an operator starts the cooling assembly, starts the fan, reduces the temperature of wind after the wind is cooled by the cooling assembly, and blows the wind to the plurality of first pipes through the heat dissipation port to dissipate heat of the first pipes, so that the possibility that hot wind is directly blown to the first pipes is reduced, the cooling device can normally work, and the electronic element can be normally used;

this application is through setting up second pipe and control valve, the operator can realize the independent control to each hosepipe through the control valve, when needs increase amount of wind, can close the control valve, make the water yield of inflow hosepipe reduce, and then the hosepipe is supported the volume reduction by the cooling water, with this increase of the amount of wind that blows out from in the ventilation pipe, when needs reduce the amount of wind, the operator can open big control valve, make the hosepipe supported the volume increase by the cooling water, and then the hole that supplies the wind to pass in making the ventilation pipe reduces, and then play the effect that reduces the amount of wind, and then realized the effect of regulation to the amount of wind of air outlet through the inflation volume of hosepipe.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation device for an electronic component according to the present application.

Fig. 2 is a schematic view of the internal structure of the heat dissipation box in the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a heat dissipation opening and an air outlet in the embodiment of the present application.

Fig. 4 is a sectional view of a heat dissipation box in the embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Description of reference numerals: 1. a top plate; 2. a base plate; 3. a first tube; 4. a heat dissipating fin; 5. a first liquid pipe; 6. a heat dissipation box; 7. a heat dissipation port; 8. a fan; 9. a cooling assembly; 91. a first water box; 92. a water pump; 93. a connecting pipe; 94. a first water supply pipe; 95. a first return pipe; 96. a refrigeration member; 97. a water hose; 98. a vent pipe; 10. a bearing plate; 11. installing a pipe; 12. a second tube; 13. a control valve; 14. clamping a hoop; 15. clamping the through hole; 16. an air inlet pipe; 17. a wind collecting funnel; 18. an air outlet; 19. a through hole; 20. magic tape; 21. a support boss; 22. an access hole; 23. a shielding plate; 24. a support bar; 25. a clamping and connecting plate; 26. a cushion pad; 27. a temperature sensor; 28. and a drying fan.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a heat abstractor for electronic components. Referring to fig. 1, a heat dissipation device for an electronic component includes a top plate 1 and a bottom plate 2, wherein the top plate 1 and the bottom plate 2 are both hollow, and the electronic component can be connected to the bottom of the bottom plate 2 through a bolt. The top plate 1 and the bottom plate 2 are communicated with a plurality of first tubes 3, the first tubes 3 are square tubes, a distance exists between every two adjacent first tubes 3, and radiating fins 4 are arranged between every two adjacent first tubes 3, and the radiating fins 4 are arranged in a wave shape and are in contact with the side walls of the first tubes 3.

Referring to fig. 1, fig. 2 and fig. 3, the intercommunication has the first liquid pipe 5 that is used for adding the phase transition liquid on the lateral wall of bottom plate 2, be connected with heat dissipation box 6 jointly on the vertical lateral wall of roof 1 and bottom plate 2, thermovent 7 has been seted up on the lateral wall of heat dissipation box 6, thermovent 7 sets up towards first pipe 3, a plurality of first pipes 3 shelter from thermovent 7, be provided with fan 8 on the lateral wall that thermovent 7 was kept away from to heat dissipation box 6, fan 8's air-out end sets up towards thermovent 7, be provided with temperature sensor 27 on the heat dissipation box 6, temperature sensor 27 passes through control system and fan 8 electric connection, after temperature sensor 27's response end detected the temperature reduction in the heat dissipation box 6, temperature sensor 27 reduces fan 8's rotational speed through control system, in order to play the effect of practicing thrift the electric energy.

Referring to fig. 1, a cooling unit 9 for cooling the air blown by the fan 8 is provided in the heat radiation case 6. The cooling assembly 9 includes a first water box 91, a water pump 92, a connecting pipe 93, a first water supply pipe 94, a first return pipe 95, a refrigerating member 96 for refrigerating water in the first water box 91, three water hoses 97, and a ventilation pipe 98.

Referring to fig. 1, fixedly connected with bearing plate 10 on the lateral wall of heat dissipation box 6, the first water box 91 of fixed connection on the bearing plate 10, refrigeration piece 96 is the refrigeration piece, through bolted connection refrigeration piece on the lateral wall of first water box 91, the refrigeration face of refrigeration piece and the lateral wall laminating of first water box 91, the refrigeration piece is provided with a plurality ofly on the lateral wall of first water box 91. The water pump 92 is disposed at the top of the first water box 91, a water inlet end of the water pump 92 is communicated with the cooling water in the first water box 91 through a connecting pipe 93, a water outlet end of the water pump 92 is communicated with a first water supply pipe 94, and one end of the first water supply pipe 94, which is far away from the water pump 92, is disposed in a closed manner.

Referring to fig. 1 and 2, a first return pipe 95 is communicated with a side wall of the first water box 91, and one end of the first return pipe 95, which is far away from the first water box 91, is in a closed arrangement. The first return pipe 95 is provided with mounting pipes 11 corresponding to the water hoses 97 one by one, and the mounting pipes 11 are communicated with the first return pipe 95. The water hose 97 is communicated between the first water supply pipe 94 and the first return pipe 95, the first water supply pipe 94 is communicated with the second pipes 12 which are arranged in one-to-one correspondence with the water hose 97, each second pipe 12 is provided with a control valve 13, one end of the water hose 97 is connected with one end, far away from the first water supply pipe 94, of each second pipe 12 through the hoop 14, and the other end of the water hose 97 is also connected with one end, far away from the first return pipe 95, of the installation pipe 11 through the hoop 14.

Referring to fig. 1, the both ends of ventilation pipe 98 all are the closed setting, set up two joint through-holes 15 that are used for with the both ends joint of ventilation pipe 98 on the lateral wall of heat dissipation box 6, the one end of a joint through-hole 15 joint ventilation pipe 98, ventilation pipe 98 can be the bellows, ventilation pipe 98 is snakelike setting in heat dissipation box 6, during the installation, can straighten ventilation pipe 98 earlier, treat after hosepipe 97 has been adorned, buckle convenient operation to ventilation pipe 98 again. An air inlet pipe 16 is communicated with the side wall of the ventilation pipe 98, an air collecting funnel 17 is communicated with the air inlet pipe 16, one end of the air collecting funnel 17 is large in opening, the other end of the air collecting funnel 17 is small in opening, the end with the large opening is communicated with an air outlet 18 of the fan 8, and the end with the small opening is communicated with the air inlet pipe 16.

Referring to fig. 1, 2 and 3, one end of the ventilation pipe 98 close to the heat dissipation port 7 is provided with a plurality of air outlets 18, the air outlets 18 are arranged towards the heat dissipation port 7, through holes 19 corresponding to the water hoses 97 one to one are formed in both end faces of the ventilation pipe 98, the water hoses 97 are inserted through one through hole 19 in one end of the ventilation pipe 98 and then penetrate through one through hole 19 in the other end of the ventilation pipe 98, so that the ventilation pipe 98 is sleeved outside the water hoses 97, and the water hoses 97 pass through the through holes 19 and are connected with the side walls of the through holes 19 through the magic tapes 20. Fixedly connected with a plurality of support protrusion 21 on the lateral wall of hosepipe 97, when cooling water was full of hosepipe 97, support protrusion 21 contradicted with the lateral wall of ventilation pipe 98, made hosepipe 97 and ventilation pipe 98 inside have the clearance all the time, can guarantee that the wind that fan 8 blew off normally passes through.

Referring to fig. 1, fig. 2 and fig. 4, access hole 22 has been seted up at the top of heat dissipation box 6, it has shielding plate 23 to articulate on the heat dissipation box 6, shielding plate 23 shelters from access hole 22, be provided with two drying fan 28 on the shielding plate, drying fan's air outlet is towards the inside setting of heat dissipation box 6, in the time of can being to the inside cooling of heat dissipation box 6, vapor wherein can also take out, keep the drying in the heat dissipation box 6, a plurality of bracing pieces of vertical fixedly connected with 24 on the inside wall of heat dissipation box 6, a joint board 25 of equal fixedly connected with on every bracing piece 24, joint board 25 is the arc setting and with the lateral wall joint of ventilation pipe 98.

Referring to fig. 2 and 5, the lateral wall of joint board 25 is glued and is had blotter 26, and blotter 26 is the rubber pad, and blotter 26 is hugged closely with the lateral wall of ventilation pipe 98, and blotter 26 not only can play the effect of buffering, has reduced ventilation pipe 98 and has produced the possibility of rocking, and blotter 26 and ventilation pipe 98 elastic contact can produce a certain amount of deformation moreover, make joint board 25 press from both sides ventilation pipe 98 more stably.

The implementation principle of the heat dissipation device for the electronic component in the embodiment of the application is as follows: when the electronic component works, an operator adds the phase change liquid into the bottom plate 2 through the first liquid pipe 5, heat generated by the electronic component is transferred to the bottom plate 2, the phase change liquid in the bottom plate 2 absorbs the heat, the heat is converted into a gas state from a liquid state, the gas state moves to the top plate 1 through the first pipe 3, the operator starts the fan 8 at the moment, the water pump 92 and the refrigerating sheet are started, the refrigerating sheet cools water in the first water box 91, and the water pump 92 extracts the water in the first water box 91 and conveys the water into the first water supply pipe 94;

the operator opens the control valve 13, the cooling water flows into the water hose 97, and the water hose 97 is supported, and finally moves into the first water box 91 through the first return pipe 95, thereby forming a water circulation, the wind of the fan 8 enters the ventilation pipe 98 through the wind collecting funnel 17, because the ventilating pipe 98 is arranged in a snake shape, the moving time of the air blown by the fan 8 in the ventilating pipe 98 is prolonged, the contact time with water is increased, the cooling effect on the air can be improved, and finally the air is blown out from the plurality of air outlets 18 and blown to the first pipe 3 by the heat dissipation port 7, the first pipe 3 is cooled, so that the gaseous phase change liquid is converted into liquid, and flows back to the bottom plate 2 again to dissipate heat of the electronic components, therefore, the air blown out by the fan 8 can be continuously cooled, so that the heat dissipation effect of the heat sink on the electronic component is improved, and the electronic component can be normally used.

When the air volume blown out from the air outlet 18 is small, an operator adjusts the control valve 13 to reduce the amount of cooling water entering the water hose 97, after the water pressure is reduced, the volume of the water hose 97 supported by the cooling water is reduced, therefore, the air volume blown out from the ventilation pipe 98 is increased, when the air volume needs to be reduced, the operator can open the large control valve 13 to increase the volume of the water hose 97 supported by the cooling water, further, the hole for air to pass through in the ventilation pipe 98 is reduced, further, the effect of reducing the air volume is achieved, and further, the effect of adjusting the air volume of the air outlet 18 is achieved through the expansion volume of the water hose 97.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a heat abstractor for electronic components, includes roof (1) and bottom plate (2), roof (1) with the equal cavity of bottom plate (2) sets up, roof (1) with the intercommunication has a plurality of first pipes (3) between bottom plate (2), be equipped with on bottom plate (2) and be used for adding first liquid pipe (5) of phase transition liquid, first liquid pipe (5) with bottom plate (2) intercommunication, its characterized in that: be connected with heat dissipation box (6) on the vertical lateral wall of roof (1) and bottom plate (2) jointly, thermovent (7) have been seted up to a lateral wall of heat dissipation box (6), and is a plurality of first pipe (3) shelter from thermovent (7), be equipped with fan (8) in heat dissipation box (6), fan (8) orientation thermovent (7) set up, be equipped with on heat dissipation box (6) and be used for right cooling subassembly (9) that the wind that fan (8) blew off cooled down.

2. A heat dissipating device for an electronic component as claimed in claim 1, wherein: the cooling assembly (9) comprises a first water box (91), a water pump (92), a connecting pipe (93), a first water supply pipe (94), a first return pipe (95), a refrigerating piece (96) for refrigerating water in the first water box (91), a plurality of water hoses (97) and a ventilating pipe (98), wherein two ends of the ventilating pipe (98) are arranged in a closed manner, the ventilating pipe (98) is communicated with an air outlet end of the fan (8), the ventilating pipe (98) is arranged in a snake shape, the refrigerating piece (96) is arranged on the first water box (91), the water pump (92) is arranged on the first water box (91), a water inlet end of the water pump (92) is communicated with water in the first water box (91) through the connecting pipe (93), a water outlet end of the water pump (92) is communicated with the first water supply pipe (94), and a side wall of the first water box (91) is communicated with the first return pipe (95), the plurality of water hoses (97) are communicated between the first water supply pipe (94) and the first return pipe (95), the ventilation pipe (98) is sleeved outside the plurality of water hoses (97), one end, close to the heat dissipation port (7), of the ventilation pipe (98) is provided with a plurality of air outlets (18), and the plurality of air outlets (18) face the heat dissipation port (7).

3. A heat dissipating device for an electronic component as claimed in claim 2, wherein: and one ends of the water hoses (97) close to the first water supply pipe (94) are respectively provided with a second pipe (12), one end of each second pipe (12) is communicated with the first water supply pipe (94), the other end of each second pipe is communicated with the water hoses (97), and the second pipes (12) are provided with control valves (13).

4. A heat dissipating device for an electronic component as claimed in claim 2, wherein: the outer side wall of the water hose (97) is provided with a plurality of supporting protrusions (21), and when the water hose (97) is filled with cooling water, the supporting protrusions (21) are abutted against the side wall of the ventilation pipe (98).

5. A heat dissipating device for an electronic component as claimed in claim 1, wherein: adjacent two be equipped with radiating fin (4) between first pipe (3), radiating fin (4) are the wave setting, radiating fin (4) with first pipe (3) contact.

6. A heat dissipating device for an electronic component as claimed in claim 2, wherein: the access hole (22) has been seted up at the top of heat dissipation box (6), it has the shielding plate (23) that are used for sheltering from access hole (22) to articulate on heat dissipation box (6), be equipped with a plurality of bracing pieces (24) on the inside wall of heat dissipation box (6), be equipped with joint board (25) on bracing piece (24), joint board (25) be the arc setting and with ventilation pipe (98) joint.

7. A heat dissipating device for an electronic component as claimed in claim 6, wherein: through holes (19) which are in one-to-one correspondence with the water hoses (97) are formed in the two ends of the ventilation pipe (98), the water hoses (97) are connected with the through holes (19) through magic tapes (20), one end of each water hose (97) is detachably connected with the first water supply pipe (94), and the other end of each water hose is detachably connected with the first return pipe (95).

8. A heat dissipating device for an electronic component as claimed in claim 6, wherein: be equipped with blotter (26) on the lateral wall of joint board (25), blotter (26) with the lateral wall laminating of ventilation pipe (98).

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