CN214545277U - Uniform-temperature heat dissipation device - Google Patents

Abstract

The utility model provides a samming heat abstractor, include: the cabinet body and the heat dissipation module, the cabinet body has two at least mutually independent ventiducts, the ventiduct is including seting up air intake and the air outlet on cabinet body surface, heat dissipation module includes condenser and evaporimeter, condenser and evaporimeter are linked together, condenser or evaporimeter are located the ventiduct, condenser and evaporimeter all are fixed with two-layer at least fin, the wave pitch of the fin of the condenser that is close to the air intake is greater than the wave pitch of the fin of the condenser that is close to the air outlet, the wave pitch of the fin of the evaporimeter that is close to the air intake is greater than the wave pitch of the fin of the evaporimeter that is close to the air outlet. The air gets into the cabinet body from the air intake and keeps away from the cabinet body from the air outlet behind the fin, realizes that the air transmits the internal heat of cabinet to the cabinet outside. The temperature field distribution of each group of radiating modules using the technical scheme of the application is more uniform, so that each radiating module is fully utilized, and the heat exchange quantity is improved.

Description

Uniform-temperature heat dissipation device

Technical Field

The utility model belongs to the technical field of heat exchanger, especially, relate to a samming heat abstractor.

Background

In fields such as charging pile, 5G communication and computer lab, the heating power that its normal work produced is bigger and bigger. Traditional air cooling is difficult to meet the heat dissipation requirement, and gradually needs phase change cooling through heat pipes, air conditioners and the like to meet the heat dissipation requirement, however, due to the limitation of space, a heat dissipation device cannot be too large, so that the windward areas of an evaporator and a condenser are limited, and in order to meet the heat dissipation requirement, the condenser and the evaporator can only be made thicker and thicker.

The existing heat pipe heat exchangers are mostly manufactured by adopting micro-channel heat pipe heat exchangers, because of space limitation, the heat exchange is mostly stacked in a stacking mode, more heat exchangers are connected in parallel through pipelines to improve the heat exchange quantity, and when the number of the heat exchangers or the stacked thickness reaches a certain thickness, the wind resistance is greatly increased. In addition, the number of layers of the heat exchanger is too large, after air flow blows through each layer of heat exchanger, the temperature of the air flow is greatly different when the air flow exchanges heat with the internal working medium of the heat exchanger, the temperature of the internal working medium of each layer of heat exchanger is inevitably greatly different, and the uneven temperature of the heat exchanger reduces the heat exchange efficiency of the heat pipe heat exchanger.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a samming heat abstractor is provided aims at solving the problem that the windage is big and heat exchange efficiency reduces when heat exchanger's quantity or superimposed thickness reach certain thickness.

In order to solve the above technical problem, the utility model relates to a realize like this, a samming heat abstractor, include: the cabinet body and radiating module, the cabinet body has two at least mutually independent ventiducts, the ventiduct is including seting up air intake and air outlet on cabinet body surface, radiating module is equipped with at least two sets ofly just radiating module fixes the inside of the cabinet body, radiating module includes condenser and evaporimeter, the condenser with the evaporimeter is linked together, and is same radiating module the condenser with the evaporimeter is located the difference in the ventiduct, it is same in the ventiduct the condenser or evaporimeter interval arrangement, the condenser is fixed with interval arrangement's at least two-layer fin, is close to the air intake the wave pitch of the fin of condenser is greater than and is close to the air outlet the wave pitch of the fin of condenser, the evaporimeter is fixed with interval arrangement's at least two-layer fin, is close to the air intake the wave pitch of the fin of evaporimeter is greater than and is close to the air outlet the wave of the fin of evaporimeter Distance.

Furthermore, each condenser with the evaporimeter all is fixed with two at least flat pipes, the fin is fixed flat pipe just the fin is located between the flat pipe.

Further, the wave pitch of the fins of the condenser is gradually reduced along the direction from the air inlet to the air outlet, and the wave pitch of the fins of the evaporator is gradually reduced along the direction from the air inlet to the air outlet.

Further, let in air in the air duct passes through the condenser with the fin of evaporimeter, air current direction in the air duct with the condenser or the evaporimeter is predetermined contained angle, the condenser or the evaporimeter is followed the extending direction interval arrangement of air duct.

Further, the inside of the cabinet body still is equipped with the baffle, the both ends of baffle are fixed the inner wall of the cabinet body, the baffle is located same heat radiation module the condenser with between the evaporimeter.

Further, the baffle has pipeline and line, laid the connecting pipe in the pipeline, the connecting pipe is used for the intercommunication the condenser with the evaporimeter, the line is used for laying the wire.

Furthermore, the tail end of the connecting pipe fixed on the condenser protrudes out of one side of the condenser, and the tail end of the connecting pipe fixed on the evaporator protrudes out of one side of the evaporator.

Further, the condenser, the evaporator and the connection pipe are filled with a working medium.

Further, a sensor is fixed in the cabinet body and used for detecting the temperature and the pressure of the heat dissipation module.

Furthermore, the air inlet and the air outlet are fixed with a filter screen, and the filter screen is used for filtering impurities.

Compared with the prior art, the utility model provides a samming heat abstractor, beneficial effect lies in: firstly, the evaporator absorbs heat in the cabinet body through evaporation and transmits the heat to the condenser, the condenser reduces the temperature in the cabinet body through condensation, meanwhile, air is introduced into the ventilation duct, the air enters the cabinet body from the air inlet and passes through the fins of the evaporator and the fins of the condenser, and then is far away from the cabinet body from the air outlet, so that the heat in the cabinet body is transmitted to the outside of the cabinet body through the air. Because the wave pitch of the fins of the condenser close to the air inlet is larger than that of the fins of the condenser close to the air outlet, the wave pitch of the fins of the evaporator close to the air inlet is larger than that of the fins of the evaporator close to the air outlet. The heat quantity taken away by air when the air passes through all the evaporators or all the condensers in the same air duct is the same, and the temperature difference between all the evaporators or the temperature difference between all the condensers in the same air duct is controlled within a small range. By using the technical scheme of the application, the temperature fields of all groups of radiating modules are distributed more uniformly, so that all the radiating modules are fully utilized, and the heat exchange quantity is improved; the heat dissipation device is less in material consumption, and the material use cost is reduced; further, the whole thickness of the heat dissipation device is reduced, the wind resistance is reduced, the air quantity is increased, and the generated noise is reduced.

Drawings

Fig. 1 is an overall schematic view of a uniform temperature heat dissipation device according to an embodiment of the present invention;

fig. 2 is a side view of an embodiment of the present invention, after a casing of a uniform temperature heat dissipation device is removed;

fig. 3 is a side view of an embodiment of the present invention showing another direction of the uniform temperature heat sink after the outer shell is removed;

fig. 4 is a schematic view of a condenser in a uniform-temperature heat dissipation device according to an embodiment of the present invention;

fig. 5 is a schematic view of an evaporator in a uniform-temperature heat dissipation device according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a fin of a condenser or an evaporator in an isothermal heat dissipation device according to an embodiment of the present invention.

In the drawings, each reference numeral denotes: 1. a cabinet body; 21. a condenser; 22. an evaporator; 23. a fin; 24. flat tubes; 31a and a condenser air inlet; 31b, a condenser air outlet; 32a, an air inlet of the evaporator; 32b, an air outlet of the evaporator; 33. a fan; 4. a partition plate; 41. a connecting pipe; 411. and (4) a valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example (b):

in this embodiment, as shown in fig. 3 and fig. 6, a temperature-equalizing heat dissipation device includes: the cabinet body 1 has at least two mutually independent ventiduct, the ventiduct is including seting up air intake and the air outlet on the cabinet body 1 surface, heat dissipation module is equipped with at least two sets ofly and heat dissipation module fixes the inside at the cabinet body 1, heat dissipation module includes condenser 21 and evaporimeter 22, condenser 21 and evaporimeter 22 are linked together, condenser 21 and the evaporimeter 22 of same heat dissipation module are located different ventiduct, condenser 21 or the evaporimeter 22 interval arrangement in the same ventiduct, condenser 21 is fixed with two at least fins 23 of interval arrangement, the distance between the adjacent fin 23 of condenser 21 that is close to the air intake is greater than the distance between the adjacent fin 23 of condenser 21 that is close to the air outlet, evaporimeter 22 is fixed with two at least fins 23 of interval arrangement, the distance between the adjacent fin 23 of the evaporimeter 22 that is close to the air intake is greater than the distance between the adjacent fin 23 of the evaporimeter 22 that is close to the air outlet.

Firstly, the evaporator 22 absorbs heat in the cabinet body 1 through evaporation and transmits the heat to the condenser 21, the condenser 21 reduces the temperature in the cabinet body 1 through condensation, meanwhile, air is introduced into the ventilation duct, the air enters the cabinet body 1 from the air inlet and is far away from the cabinet body 1 from the air outlet after passing through the fins 23 of the evaporator 22 and the fins 23 of the condenser 21, and the heat in the cabinet body 1 is transmitted to the outside of the cabinet body 1 by the air. Because the wave pitch of the fins 23 of the condenser 21 close to the air inlet is larger than the wave pitch of the fins 23 of the condenser 21 close to the air outlet, and the wave pitch of the fins 23 of the evaporator 22 close to the air inlet is larger than the wave pitch of the fins 23 of the evaporator 22 close to the air outlet, the heat quantity taken by air is the same when the air passes through all the evaporators 22 or all the condensers 21 in the same air duct, and the temperature difference between all the evaporators 22 or the temperature difference between all the condensers 21 in the same air duct is controlled in a small range. By using the technical scheme of the application, the temperature fields of all groups of radiating modules are distributed more uniformly, so that all the radiating modules are fully utilized, and the heat exchange quantity is improved; the heat dissipation device is less in material consumption, and the material use cost is reduced; further, the whole thickness of the heat dissipation device is reduced, the wind resistance is reduced, the air quantity is increased, and the generated noise is reduced.

Referring to fig. 3 and 6, each of the condenser 21 and the evaporator 22 is fixed with at least two flat tubes 24, the fins 23 are fixed on the flat tubes 24, the fins 23 are located between the flat tubes 24, a distance between adjacent fins 23 of the condenser 21 is gradually reduced along a direction from the air inlet to the air outlet, and a distance between adjacent fins 23 of the evaporator 22 is gradually reduced along a direction from the air inlet to the air outlet. In this embodiment, the arrow direction shown in fig. 6 is the flow direction of the air flow in the air duct, and four sets of heat dissipation modules arranged at equal intervals are provided, where 4 evaporators 22 and 4 condensers 21 are provided, each condenser 21 and each evaporator 22 are provided with at least two flat tubes 24 arranged in parallel, each flat tube 24 is a long tube, two ends of each fin 23 are fixed to the corresponding flat tube 24, the fins 23 are arranged between the two flat tubes 24 at equal intervals, and all fins 23 of each heat dissipation module are identical in size and shape. In all the evaporators 22, the first group of evaporators 22 is close to the air inlet, the fourth group of evaporators 22 is close to the air outlet, and the wave distances of the first group, the second group, the third group and the fourth group of fins 23 are H1, H2, H3 and H4, wherein H1 > H2 > H3 > H4. Similarly, the pitches of the fins 23 of the first, second, third and fourth groups of the condenser 21 are gradually reduced. In other embodiments, the cabinet body 1 may further include two, three, or more heat dissipation modules according to actual needs; the number of the flat tubes 24 and the arrangement mode of the fins 23 can be set according to actual requirements; the pitch of the two fins 23 in the first, second, third and fourth groups may also be H1 ═ H2 > H3 ═ H4.

Referring to fig. 1, 2 and 3, air introduced into the air duct passes through the condenser 21 and the fins 23 of the evaporator 22, the direction of air flow in the air duct forms a predetermined angle with the condenser 21 or the evaporator 22, and the condenser 21 or the evaporator 22 are arranged at intervals along the extending direction of the air duct. In this embodiment, a fan 33 is fixed in the cabinet body 1, the fan 33 is used for introducing air into the ventilation duct, the air inlet includes a condenser air inlet 31a and an evaporator air inlet 32a, the air outlet includes a condenser air outlet 31b and an evaporator air outlet 32b, the condenser air inlet 31a and the condenser air outlet 31b are arranged at two ends of the cabinet body 1, wherein the fan 33 is fixed at one side of the condenser air outlet 31b, the evaporator air inlet 32a and the evaporator air outlet 32b are both located on the same plate surface of the cabinet body 1, and wherein the fan is fixed at one side of the evaporator air inlet 32 a. The air channels are provided with two groups, wherein one group of air channels are condenser air channels, the other group of air channels are evaporator air channels, and air in the air channels passes through gaps between adjacent fins 23 or the surfaces of the fins 23 to reduce the temperature of the evaporator 22 or the condenser 21. The direction of the air flow in the air duct is perpendicular to the condenser 21 or the evaporator 22, all the condensers 21 are located in the condenser air duct and the condensers 21 are arranged at intervals along the extending direction of the condenser air duct, all the evaporators 22 are located in the evaporator air duct and the condensers 21 are arranged at intervals along the extending direction of the evaporator air duct. Further, in the present embodiment, four sets of heat dissipation modules are provided, and since the wave pitch H1 > H2 > H3 > H4 of the fins 23 of the first, second, third, and fourth sets of evaporators 22 makes the heat quantity taken by the air flowing in from the air inlet of the air duct when passing through the first, second, third, and fourth sets of evaporators 22 almost the same, so that the temperatures of the first, second, third, and fourth sets of evaporators 22 are kept the same, and the condenser 21 is obtained in the same manner. In other embodiments, the condenser air inlet 31a or the condenser air outlet 31b and the evaporator air inlet 32a or the evaporator air outlet 32b may be disposed at other positions of the cabinet 1 according to actual needs; in addition, when H1 is H2 > H3 is H4, the temperatures of the first, second, third, and fourth group of evaporators 22 can be kept uniform; the direction of the air flow in the air duct may also be at an angle to the condenser 21 or evaporator 22.

Referring to fig. 3, a partition plate 4 is further disposed inside the cabinet 1, two ends of the partition plate 4 are fixed to the inner wall of the cabinet 1, the partition plate 4 is located between the condenser 21 and the evaporator 22 of the same heat dissipation module, the partition plate 4 has a pipeline and a wire path, a connection pipe 41 is laid in the pipeline, the connection pipe 41 is used for communicating the condenser 21 and the evaporator 22, and the wire path is used for laying a wire. In this embodiment, the partition plate 4 is a rectangular plate, the condenser 21 of the same heat dissipation module is partitioned by the partition plate 4 in the upper half of the cabinet 1, and the evaporator 22 is partitioned by the partition plate 4 in the lower half of the cabinet 1. The connecting gaps between the pipelines or the connecting gaps between the lines are sealed by rubber plugs or glue, air flow in the condenser air duct and air flow in the evaporator air duct are prevented from streaming, and dust and rainwater in the condenser air duct are prevented from falling into the evaporator air duct. The connecting pipe 41 comprises an air pipe and a liquid pipe, the air pipe and the liquid pipe are made of copper, aluminum or other materials, two ends of each condenser 21 or evaporator 22 are respectively fixed with a liquid pipe and an air pipe, the condensers 21 and the evaporators 22 can be conveyed through the connecting pipe 41 for a long distance to realize a split type heat dissipation device, and can also be conveyed for a short distance to realize an integral type heat dissipation device, and the wires comprise wires connected with a fan and various sensors.

Referring to fig. 4 and 5, the end of the connection pipe 41 fixed to the condenser 21 protrudes to one side of the condenser 21, and the end of the connection pipe 41 fixed to the evaporator 22 protrudes to one side of the evaporator 22. In this embodiment, the connection pipe 41 at the end of the condenser 21 close to the evaporator 22 is extended toward the right side, the connection pipe 41 at the end of the condenser 21 far from the evaporator 22 is extended toward the left side, the connection pipe 41 at the end of the evaporator 22 close to the evaporator 22 is extended toward the left side, the connection pipe 41 at the end of the condenser 21 far from the evaporator 22 is extended toward the right side, and the pipe is welded to the protruding portion and is perpendicular to the extending direction of the connection pipe 41.

Referring to fig. 3, the condenser 21, the evaporator 22, and the connection pipe 41 are filled with a working medium. In this embodiment, the connecting pipe 41 of the condenser 21 is installed with a valve 411 for filling the working medium, the valve 411 is opened, the working medium flows from the condenser 21 to the evaporator 22, the working medium can be freon, water or other media, depending on the height difference between the condenser 21 and the evaporator 22, the working medium circularly flows in the connecting pipe 41, and the evaporator 22 continuously evaporates and the condenser 21 continuously condenses, so as to take away the heat in the cabinet 1.

Referring to fig. 3, the cabinet body 1 is further fixed with a sensor inside, the sensor is used for detecting the temperature and pressure of the heat dissipation module, the air inlet and the air outlet are fixed with filter screens, and the filter screens are used for filtering impurities. In this embodiment, only one sensor is disposed in the cabinet 1, and the sensor is fixed on one heat dissipation module, and the sensor can feed back the temperature and pressure of the connection pipe 41 of the whole heat dissipation device.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A temperature-equalizing heat dissipation device is characterized by comprising: the cabinet body and radiating module, the cabinet body has two at least mutually independent ventiducts, the ventiduct is including seting up air intake and air outlet on cabinet body surface, radiating module is equipped with at least two sets ofly just radiating module fixes the inside of the cabinet body, radiating module includes condenser and evaporimeter, the condenser with the evaporimeter is linked together, and is same radiating module the condenser with the evaporimeter is located the difference in the ventiduct, it is same in the ventiduct the condenser or evaporimeter interval arrangement, the condenser is fixed with interval arrangement's at least two-layer fin, is close to the air intake the wave pitch of the fin of condenser is greater than and is close to the air outlet the wave pitch of the fin of condenser, the evaporimeter is fixed with interval arrangement's at least two-layer fin, is close to the air intake the wave pitch of the fin of evaporimeter is greater than and is close to the air outlet the wave of the fin of evaporimeter Distance.

2. The temperature-equalizing heat sink device according to claim 1, wherein each of the condenser and the evaporator has at least two flat tubes, and the fins are fixed to the flat tubes and located between the flat tubes.

3. The temperature-equalizing heat sink device as claimed in claim 1, wherein the pitch of the fins of the condenser decreases gradually along the direction from the air inlet to the air outlet, and the pitch of the fins of the evaporator decreases gradually along the direction from the air inlet to the air outlet.

4. The temperature-equalizing heat dissipation device as claimed in claim 1, wherein air introduced into the air duct passes through the fins of the condenser and the evaporator, an air flow direction in the air duct forms a predetermined included angle with the condenser or the evaporator, and the condenser or the evaporator are arranged at intervals along an extension direction of the air duct.

5. The temperature-equalizing heat sink according to claim 1, wherein a partition is further disposed inside the cabinet, two ends of the partition are fixed to an inner wall of the cabinet, and the partition is located between the condenser and the evaporator of the same heat sink module.

6. The temperature-equalizing heat sink device as claimed in claim 5, wherein the partition has a pipeline and a wire channel, wherein a connecting pipe is laid in the pipeline, the connecting pipe is used for communicating the condenser and the evaporator, and the wire channel is used for laying a conducting wire.

7. The temperature-equalizing heat sink device as claimed in claim 6, wherein the end of the connecting pipe fixed to the condenser protrudes from one side of the condenser, and the end of the connecting pipe fixed to the evaporator protrudes from one side of the evaporator.

8. The temperature-equalizing heat sink device according to claim 6, wherein the condenser, the evaporator and the connecting pipe are filled with a working medium.

9. The temperature equalizing and heat dissipating device according to claim 1, wherein a sensor is further fixed inside the cabinet, and the sensor is used for detecting the temperature and the pressure of the heat dissipating module.

10. The temperature-equalizing heat sink device according to claim 1, wherein the air inlet and the air outlet are fixed with filter screens for filtering impurities.

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