CN217389343U - Heat dissipation equipment - Google Patents

Abstract

The application provides a heat dissipation device, which is used for dissipating heat of a power equipment generator set and comprises a box body, at least two sets of heat dissipation systems, an air outlet pipeline and an inner fan, wherein the two sets of heat dissipation systems independently run; the air outlet pipeline is communicated with the first installation space; the inner fan is arranged in the first installation space and used for discharging air subjected to heat exchange through the evaporator into the air outlet pipeline. The heat dissipation equipment provided by the application comprises at least two sets of heat dissipation systems which independently operate, when one set of heat dissipation system fails, the other set of heat dissipation system can still normally work, and the reliability of the heat dissipation equipment is improved; and each set of heat dissipation system is subjected to heat exchange with external air through an internal refrigerant, so that the heat exchange efficiency is high, and the interference of the external environment temperature is small.

Description

Heat dissipation equipment

Technical Field

The application relates to the technical field of heat dissipation equipment, in particular to heat dissipation equipment.

Background

The generating set of power equipment can give off a large amount of heats in the operation process, and if the heats can not be discharged in time, the generating set efficiency can be greatly reduced, and even the generating set is finally paralyzed.

In the existing heat dissipation device for dissipating heat of the generator set, a fresh air cooling mode is generally adopted, when the temperature of the external environment is higher, the temperature difference between the external environment air and a heating component is smaller, so that the heat exchange efficiency is reduced, and the heat dissipation requirement of the generator set cannot be met; moreover, the existing heat dissipation device only comprises one set of cooling system, the cooling system is prone to failure due to the severe environment, once the cooling system fails, the heat of the generator set cannot be dissipated, and the reliability of the heat dissipation device is low.

SUMMERY OF THE UTILITY MODEL

The application provides a heat dissipation device, which can improve heat exchange efficiency and reliability.

The application provides a heat dissipation device for dispel the heat to power equipment generating set, heat dissipation device includes:

a box body having a first installation space and a second installation space;

the heat dissipation system comprises a compressor, a condenser, a throttling element and an evaporator which are sequentially connected through connecting pipes, wherein the evaporator is installed in the first installation space, and the condenser is installed in the second installation space;

the air outlet pipeline is communicated with the first installation space;

and the inner fan is arranged in the first installation space and used for discharging air subjected to heat exchange of the evaporator into the air outlet pipeline.

In one possible design, the evaporators are spaced apart in the width direction of the cabinet.

In a possible design, the inner fan comprises an air outlet and two air inlets, the air outlet is communicated with the air outlet pipeline, and the two air inlets are respectively arranged on two sides of the inner fan.

In a possible design, the first installation space is divided into a first cavity and a second cavity through a partition plate, the air outlet pipeline is communicated with the first cavity, the evaporator and the inner fan are arranged in the first cavity, and the evaporator is installed on the partition plate.

In a possible design, the heat dissipation device further comprises a return air pipeline and a filter screen, the return air pipeline is communicated with the second cavity, the filter screen is arranged in the second cavity, and the filter screen is detachably mounted on the partition plate.

In one possible design, the filter screen includes a plurality of filter portions, and adjacent filter portions are connected by a connecting member so that adjacent filter portions can be folded with each other.

In a possible design, the air-out pipeline passes the second installation space with first installation space intercommunication, the condenser sets up respectively the both sides of air-out pipeline, the heat radiation equipment still includes two outer fans, every outer fan with the condenser sets up relatively.

In one possible design, an outer surface of at least one of the tank, the evaporator, the condenser, the throttling element, and the compressor is coated with an anti-corrosive coating.

In one possible design, the box body comprises a base, a support frame and a plurality of mounting plates, wherein the support frame is provided with a plurality of outer frames;

the support frame is located the base top, it is a plurality of the mounting panel respectively with a plurality of the outer frame corresponds sealing connection.

In one possible design, the heat dissipation device further includes a cushion pad, the cushion pad being connected with the base.

The beneficial effects of this application include at least:

the heat dissipation equipment provided by the application comprises at least two sets of heat dissipation systems which independently operate, wherein the two sets of heat dissipation systems can simultaneously and independently operate, namely when one set of heat dissipation system fails, the other set of heat dissipation system can still normally work, so that the heat dissipation equipment can still continue to dissipate heat of the power equipment generator set, a certain amount of refrigeration requirement is ensured, and the reliability of the heat dissipation equipment is improved; and each set of heat dissipation system is subjected to heat exchange with external air through an internal refrigerant, and compared with a fresh air cooling mode in the prior art, the heat exchange efficiency is higher and is less interfered by external environment temperature.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation apparatus provided in the present application in an embodiment;

fig. 2 is a schematic structural view of the heat dissipation apparatus in fig. 1 from another view angle;

FIG. 3 is an enlarged view taken at II in FIG. 2;

fig. 4 is an enlarged view at I in fig. 1.

Reference numerals are as follows:

1-a box body;

11-a first installation space;

111-a first chamber;

112-a second chamber;

12-a second installation space;

13-a separator;

14-a base;

15-a support frame;

151-outer rim;

16-a mounting plate;

17-a shield;

171-a connecting portion;

172-a first hem portion;

173-a second flange portion;

2-a heat dissipation system;

21-a compressor;

22-a condenser;

23-a throttling element;

24-an evaporator;

3-air outlet pipeline;

4-an inner fan;

41-air inlet;

5-a return air pipeline;

6, filtering a screen;

61-a filtration section;

62-a connector;

7-a buffer pad;

8-external fan.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the directional terms such as "upper", "lower", "left", "right", etc. described in the embodiments of the present application are described in the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

As shown in fig. 1, an embodiment of the present application provides a heat dissipation device, which is used for dissipating heat for a power equipment generator set, for example, a nacelle of an offshore wind turbine generator set may be dissipated to maintain a temperature in the nacelle within a required range, so that the equipment in the nacelle can operate at a normal ambient temperature, and increase of equipment failure rate due to an excessively high ambient temperature in the nacelle is avoided.

As shown in fig. 1-2, the heat dissipation apparatus includes a box 1, at least two sets of independently operating heat dissipation systems 2, an air outlet duct 3 and an inner fan 4, wherein the box 1 has a first installation space 11 and a second installation space 12; each set of heat dissipation system 2 comprises a compressor 21, a condenser 22, a throttling element 23 and an evaporator 24 which are sequentially connected through connecting pipes, wherein the evaporator 24 is installed in the first installation space 11, and the condenser 22 is installed in the second installation space 12; the air outlet pipeline 3 is communicated with the first installation space 11; the inner fan 4 is installed in the first installation space 11 and is used for discharging air after heat exchange of the evaporator 24 into the air outlet pipeline 3.

The refrigerant for driving the heat radiation system 2 of the compressor 21 flows through the condenser 22, the throttling element 23 and the evaporator 24 in this order. The first installation space 11 communicates with the cabin via the air outlet duct 3.

The refrigerant is a medium substance for performing energy conversion in various heat engines, which absorbs heat of a cooled object at a low temperature and then transfers it to cooling water or air at a higher temperature, and specifically, it may be ammonia (code: R717), freon-12 (code: R12), tetrafluoroethane (code: R134a), or the like. The throttling element 23 may be in particular a throttle valve, an expansion valve, a capillary tube or the like. The evaporator 24 may be a copper fin evaporator, and the condenser 22 may be a copper fin condenser, so as to improve the heat exchange efficiency of the evaporator 24 and the condenser 22.

The heat dissipation equipment also comprises two sets of electric control systems which are respectively named as a first electric control system and a second electric control system; the two sets of heat dissipation systems 2 are named as a first heat dissipation system and a second heat dissipation system respectively, wherein the first electric control system controls the operation of the first heat dissipation system, and the second electric control system controls the operation of the second heat dissipation system.

When the heat dissipation equipment works, two sets of heat dissipation systems 2 are started simultaneously and operate independently, the inner fan 4 is also in a working state, in each set of heat dissipation system 2, the compressor 21 introduces high-temperature and high-pressure gaseous refrigerant into the condenser 22, the high-temperature and high-pressure gaseous refrigerant in the condenser 22 exchanges heat with air flowing through the condenser 22 in the second installation space 12, the refrigerant is condensed to release heat to form medium-temperature and high-pressure liquid refrigerant, and therefore flowing air in the second installation space 12 is heated; the liquid refrigerant of medium temperature and high pressure flowing out from the condenser 22 is introduced into the throttling element 23, and the liquid refrigerant of medium temperature and high pressure is subjected to isenthalpic throttling decompression in the throttling element 23 to become liquid refrigerant of low temperature and low pressure; the low-temperature low-pressure liquid refrigerant is introduced into the evaporator 24, the low-temperature low-pressure liquid refrigerant in the evaporator 24 exchanges heat with the air flowing through the evaporator 24 in the first installation space 11, the refrigerant evaporates and absorbs heat to become the low-temperature low-pressure gas refrigerant, so that the flowing air in the first installation space 11 is cooled, and the low-temperature low-pressure gas refrigerant is introduced into the compressor 21 from the evaporator 24 to be recycled. In the refrigerant circulation process, the inner fan 4 can introduce the cooled air in the first installation space 11 into the air outlet pipeline 3 and convey the cooled air to the power equipment generator set through the air outlet pipeline 3 so as to dissipate heat of the power equipment generator set, and the temperature of the power equipment generator set is maintained within a required range.

In order to prevent the air passing through the condenser 22 and the air passing through the evaporator 24 from being mixed together and reducing the heat exchange efficiency, the evaporator 24 is installed in the first installation space 11, the condenser 22 is installed in the second installation space 12, and the first installation space 11 and the second installation space 12 are not communicated with each other. The first installation space 11 and the second installation space 12 are relatively closed spaces, so that air in the first installation space 11 and air in the second installation space 12 are discharged into corresponding spaces outside the box body 1 in a directional manner; when the heat dissipation equipment dissipates heat of the offshore wind generating set, the risk that parts are broken or damaged due to direct contact between sea waves and the like and the parts in the first installation space 11 and the second installation space 12 can be reduced. In addition, the first installation space 11 may have one chamber, the evaporators 24 of the two sets of heat dissipation systems are located in the same chamber, and the first installation space 11 may also have two chambers, wherein the evaporator 24 of one set of heat dissipation system is located in one chamber, and the evaporator 24 of the other set of heat dissipation system is located in the other chamber; the second installation space 12 may have one chamber in which the condensers 22 of the two heat dissipation systems are located, and the first installation space 12 may have two chambers in which the condenser 22 of one heat dissipation system is located in one chamber and the evaporator 24 of the other heat dissipation system is located in the other chamber.

In this embodiment, the heat dissipation device includes at least two sets of heat dissipation systems 2 that operate independently, and the two sets of heat dissipation systems 2 can operate independently at the same time, that is, when one set of heat dissipation system 2 fails, the other set of heat dissipation system 2 can still work normally, so that the heat dissipation device can still continue to dissipate heat of the power equipment generator set, thereby ensuring a certain amount of refrigeration requirements and improving the reliability of the heat dissipation device; and each set of heat dissipation system 2 is heat exchanged with the outside air through the internal refrigerant, and compared with a fresh air cooling mode in the prior art, the heat exchange efficiency is higher, and the interference of the temperature of the external environment is smaller.

Specifically, as shown in fig. 1-2, the air outlet pipe 3 passes through the second installation space 12 and is communicated with the first installation space 11, the condensers 22 are respectively arranged at two sides of the air outlet pipe 3, the heat dissipation device further comprises two outer fans 8, and each outer fan 8 is arranged opposite to the condenser 22, so that the structural compactness of the heat dissipation device is improved. When the outer fan 8 is operated, the outer fan 8 can introduce external air into the second installation space 12 and exchange heat with the refrigerant flowing through the condenser 22; and then the external air after heat exchange is discharged to the outside, and the circulation is continued, so that the external air and the refrigerant flowing through the condenser 22 continuously exchange heat, and the heat exchange efficiency of the condenser 22 is ensured.

In one embodiment, as shown in fig. 1, the evaporators 24 are spaced along the width direction Y of the box body, for example, when there are two sets of heat dissipation systems, the evaporator 24 of one set of heat dissipation system and the evaporator of the other set of heat dissipation system are spaced along the width direction Y of the box body 1.

Further, the inner fan 4 includes an air outlet and two air inlets 41, the air outlet is communicated with the air outlet pipeline 3, and the two air inlets 41 are respectively disposed on two opposite sides of the inner fan 4.

The inner fan 4 further comprises a driving assembly, and the driving assembly can introduce external air from the air inlet 41 and discharge the external air from the air outlet; the air exit communicates with air-out pipeline 3 for from the air exit combustion gas can directly get into in the air-out pipeline 3. The driving assembly may include a motor, an impeller, a diffuser pipe, etc., the inner fan 4 may be an axial fan, a centrifugal fan, etc., the inner fan 4 is a fan conventional in the art, and the detailed internal structure is well known to those skilled in the art.

The evaporators 24 in the two sets of heat dissipation systems are named as a first evaporator and a second evaporator respectively, the first evaporator, the inner fan 4 and the second evaporator are arranged at intervals in sequence along the width direction Y of the box body 1, and the two air inlets 41 of the inner fan 4 are oppositely arranged along the width direction Y of the box body 1, so that the inner fan 4 introduces air after heat exchange with the first evaporator from one air inlet 41 and introduces air after heat exchange with the second evaporator from the other air inlet 41, and the air guiding efficiency of the inner fan 4 to the air is improved.

Wherein, the air exit of interior fan 4 communicates with air-out pipeline 3, and the lateral wall of air exit is connected with the one end of air-out pipeline 3 promptly.

In addition, the number of the inner fans 4 can be one, and the air passing through the two evaporators 24 arranged at intervals can be guided by using one inner fan 4, so that the space is saved.

In a specific embodiment, as shown in fig. 1, the first installation space 11 is divided into a first chamber 111 and a second chamber 112 by a partition 13, the air outlet duct 3 is communicated with the first chamber 111, the evaporator 24 and the inner fan 4 are both disposed in the first chamber 111, and the evaporator 24 is installed on the partition 13.

Wherein, along the length direction X of the box body 1, the first chamber 111 is adjacent to the second installation space 12, which is beneficial to make the overall structure of the heat dissipation device compact.

An electronic control system may be disposed within the second chamber 112.

In addition, as shown in fig. 1-2, the heat dissipation apparatus further includes a return air duct 5 and a filter screen 6, the return air duct 5 is communicated with the second chamber 112, the filter screen 6 is disposed in the second chamber 112, and the filter screen 6 is detachably mounted on the partition plate 13.

The partition 13 is provided with a through hole at a position corresponding to the evaporator 24 so that the air flowing out of the return duct 5 can exchange heat with the refrigerant in the evaporator 24 through the through hole.

When the heat dissipation equipment works, a refrigerant flows in a refrigerant circulation loop formed by the compressor 21, the condenser 22, the throttling element 23 and the evaporator 24, the inner fan 4 is in an open state, negative pressure is formed at the air inlet 41 of the inner fan 4, so that air in the engine room enters the second chamber 112 through the air return pipeline 5, flows to the evaporator 24 after being filtered by the filter screen 6 and exchanges heat with the refrigerant in the evaporator 24; the air after heat exchange enters from the air inlet 41 of the inner fan 4, is exhausted to the air outlet pipeline 3 from the air outlet, and is exhausted to the cabin from the air outlet pipeline 3 so as to dissipate heat inside the cabin, and the circulation is carried out.

The filter screen 6 is used for filtering dust, magazines and the like carried in the air so as to improve the heat exchange efficiency of the air and the evaporator 24; filter screen 6 detachably installs on baffle 13, is convenient for carry out operations such as change, maintenance to filter screen 6. Specifically, a threaded connection, a snap connection, or the like may be used between the filter screen 6 and the partition 13.

Further, as shown in fig. 3, the filter screen 6 includes a plurality of filter portions 61, and adjacent filter portions 61 are connected by a connecting member 62 so that the adjacent filter portions 61 can be folded with each other.

In this embodiment, when the filter screen 6 is installed and maintained, the adjacent filter portions 61 can be folded with each other to reduce the space occupied by the filter screen 6, thereby facilitating the improvement of the installation and maintenance speed of the filter screen 6.

The connecting member 62 may be a hinge or the like.

In a specific embodiment, the outer surface of at least one of the tank 1, the evaporator 24, the condenser 22, the throttling element 23 and the compressor 21 is coated with an anticorrosive coating, and preferably, the outer surfaces of the tank 1, the evaporator 24, the condenser 22, the throttling element 23 and the compressor 21 are coated with the anticorrosive coating, so that the tank 1, the evaporator 24, the condenser 22 and the compressor 21 have certain salt mist corrosion resistance, and the service life of the above parts in the salt mist environment at sea is prolonged.

Wherein, the anticorrosive coating can be prepared by adopting a nano coating process; the anticorrosive coating can be an epoxy resin composite material coating or a phenolic epoxy material coating and the like.

Because the evaporator 24, the condenser 22 and the compressor 21 are all positioned in the box body 1, the box body 1 can protect devices arranged in the box body 1, and therefore, the outer surface of the box body 1 can be coated with three layers of anticorrosive coatings so as to further enhance the salt mist corrosion resistance of the box body 1.

In one embodiment, as shown in fig. 1-2, the housing 1 includes a base 14, a support frame 15, and a plurality of mounting plates 16, the support frame 15 having a plurality of outer rims 151; the supporting frame 15 is located above the base 14, and the plurality of mounting plates 16 are respectively connected with the plurality of outer frames 151 in a corresponding and sealed manner. When the evaporator 24, the condenser 22 and other components are installed, replaced and the like, the installation plate 16 can be removed from the outer frame 151 to provide more operable space.

Wherein, be connected through first fastener between base 14 and the cabin, be connected through the second fastener between support frame 15 and the base 14, be connected through the third fastener between mounting panel 16 and the outline 151, first fastener, second fastener and third fastener all coat and have the polymer and glue for first fastener, second fastener and third fastener all have certain anti salt fog corrosion resistance ability, are favorable to improving the reliability of box 1 in the long-term use in-process on sea.

The outer frame 151 of the support frame 15 refers to a frame of the support frame 15 facing the outside, and the support frame 15 further has a plurality of inner frames, for example, the partition 13 between the first chamber 111 and the second chamber 112 can be installed in one of the inner frames.

The first, second and third fasteners may specifically be bolts, rivets, etc.

The base 14 may in particular be connected to the ceiling of the nacelle and be located outside the ceiling.

Specifically, as shown in fig. 1 and 4, the box body 1 further includes a shielding member 17, the shielding member 17 is provided with a connecting portion 171, the connecting portion 171 is connected to one side of the outer frame 151 away from the base 14, the connecting portion 171 is bent towards the direction away from the outer frame 151 along one end of the height direction Z of the box body 1 to form a first folding portion 172, one end of the first folding portion 172 away from the connecting portion 171 is bent upwards to form a second folding portion 173, so that the first folding portion 172 can block a part of external dust and moisture, the adhesion amount of the dust and the moisture at the connection between the mounting plate 16 and the outer frame 151 is reduced, and a space enclosed by the second folding portion 173 and the first folding portion 172 can store a part of the dust and the moisture, and the dust and the moisture are prevented from further drifting downwards, and therefore, the shielding member 17 is provided to facilitate improvement of the dust-proof and moisture-proof level of the box body 1.

In a specific embodiment, the mounting plate 16 includes a first main plate portion, each side edge of the first main plate portion is bent toward the inside of the box body 1 to form a third bent edge portion parallel to and opposite to the first main plate portion; the outer frame 151 comprises a second main plate part, each side edge of the second main plate part is bent towards the inside of the box body 1 to form a fourth bent part, the fourth bent part is arranged in parallel with the second main plate part and is positioned below the second main plate part, and the fourth bent part is bent towards the outside of the box body 1 to form a fifth bent part which is arranged in parallel with and opposite to the fourth bent part; the box body 1 further comprises a sealing strip, the third folding edge portion is attached to and connected with the fourth folding edge portion, and the fifth folding edge portion extrudes the sealing strip with the first main board portion.

In this embodiment, mounting panel 16 has third hem portion, outline 151 has fourth hem portion and fifth hem portion, when installing mounting panel 16 in outline 151, with third hem portion and fourth hem portion laminating and connecting, at this moment, fifth hem portion extrudees the sealing strip jointly with first mainboard portion, make the route that external dust and steam got into in the box 1 obtain the extension on the one hand, be favorable to reducing dust and the steam content that gets into in the box 1 from the external world, on the other hand is because the setting of sealing strip, the entering of external dust and steam has further been restricted.

The sealing strip can be a waterproof adhesive tape and the like.

In one embodiment, as shown in fig. 1-2, the heat dissipating device further comprises a cushion 7, the cushion 7 being coupled to the base 14.

In order to improve the anti-vibration capability of the box body 1, the buffer pads 7 are connected with the base 14, certain buffer can be provided for the box body 1, and the stability of the box body 1 is improved.

The cushion pad 7 may in particular be arranged between the base 14 and the ceiling of the nacelle.

The cushion pad 7 may specifically be a spring pad, a rubber pad, or the like.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a heat dissipation equipment, its characterized in that for dispel the heat to power equipment generating set, heat dissipation equipment includes:

a box body (1) having a first installation space (11) and a second installation space (12);

the cooling system comprises at least two sets of cooling systems (2) which independently operate, wherein each cooling system (2) comprises a compressor (21), a condenser (22), a throttling element (23) and an evaporator (24) which are sequentially connected through connecting pipes, the evaporators (24) are installed in the first installation space (11), and the condensers (22) are installed in the second installation space (12);

an air outlet duct (3) communicated with the first mounting space (11);

and the inner fan (4) is arranged in the first installation space (11) and used for discharging air subjected to heat exchange by the evaporator (24) into the air outlet pipeline (3).

2. The heat dissipating apparatus according to claim 1, wherein the evaporators (24) are arranged at intervals in a width direction (Y) of the cabinet (1).

3. The heat dissipation apparatus according to claim 2, wherein the inner fan (4) comprises an air outlet and two air inlets (41), the air outlet is communicated with the air outlet pipeline (3), and the two air inlets (41) are respectively arranged at two sides of the inner fan (4).

4. The heat dissipating apparatus according to claim 1, wherein the first installation space (11) is divided into a first chamber (111) and a second chamber (112) by a partition (13), the air outlet duct (3) communicates with the first chamber (111), the evaporator (24) and the inner fan (4) are both provided in the first chamber (111), and the evaporator (24) is installed to the partition (13).

5. The heat dissipating device according to claim 4, further comprising a return duct (5) and a filter screen (6), wherein the return duct (5) communicates with the second chamber (112), the filter screen (6) is disposed in the second chamber (112), and the filter screen (6) is detachably mounted to the partition (13).

6. The heat dissipating apparatus according to claim 5, wherein the filter screen (6) includes a plurality of filter portions (61), and adjacent filter portions (61) are connected by a connecting member (62) so that adjacent filter portions (61) can be folded with each other.

7. The heat dissipating device according to claim 1, wherein the air outlet duct (3) passes through the second installation space (12) and communicates with the first installation space (11), the condensers (22) are respectively disposed at two sides of the air outlet duct (3), and the heat dissipating device further comprises two outer fans (8), each outer fan (8) being disposed opposite to the condenser (22).

8. The heat sink as recited in claim 1, characterized in that an outer surface of at least one of the tank (1), the evaporator (24), the condenser (22), the throttling element (23) and the compressor (21) is coated with an anticorrosive coating.

9. The heat sink apparatus according to any one of claims 1 to 8, wherein the case (1) comprises a base (14), a support frame (15) and a plurality of mounting plates (16), the support frame (15) having a plurality of outer rims (151);

the support frame (15) is located base (14) top, and is a plurality of mounting panel (16) respectively with a plurality of outer frame (151) corresponds sealing connection.

10. The heat sink device according to claim 9, further comprising a cushion (7), the cushion (7) being connected to the base (14).

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