CN219938810U

CN219938810U - Cooling heat abstractor

Info

Publication number: CN219938810U
Application number: CN202320887659.8U
Authority: CN
Inventors: 廖霜; 施杨; 肖国英
Original assignee: China Tobacco Guizhou Industrial Co Ltd
Current assignee: China Tobacco Guizhou Industrial Co Ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-10-31
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a cooling and radiating device which is used for a machine room, wherein the machine room is provided with a containing cavity, and comprises a ventilation part, wherein the ventilation part is arranged on the cavity wall of the containing cavity, and one side of the ventilation part, which is close to the containing cavity, is provided with an assembly port; the sealing mechanism is arranged at the assembling port and can be switched between a first position and a second position so as to enable the ventilation part to be communicated with or separated from the accommodating cavity; the adsorption mechanism is detachably arranged in the assembly port and is internally provided with a drying agent. By adopting the technical scheme, the ventilation part can be opened or closed according to the heat dissipation requirement of the actual situation by the movement of the sealing mechanism, and moisture in natural wind can be adsorbed by the adsorption mechanism, so that the influence of the moisture on communication equipment in the machine room caused by the entering of the machine room is avoided. The utility model can absorb the moisture in the natural wind and prevent the moisture from entering the machine room to influence the communication equipment in the machine room.

Description

Cooling heat abstractor

Technical Field

The utility model relates to the field of cooling devices, in particular to a cooling and heat dissipation device.

Background

Telecommunication, network communication, mobile, two-wire, electric power, government or business, etc., typically require servers that will provide IT services to users and employees to be present in a machine room. When equipment in the machine room increases, heat in the machine room is increased continuously, if the situation of poor heat dissipation exists in the machine room at the moment, the problem of equipment halt faults caused by high temperature is easy to occur, and a cooling and heat dissipation mechanism is required to be configured in order to ensure good heat dissipation performance in the machine room.

The structural schematic diagram of the cooling and heat dissipating device of the machine room in the prior art is shown in fig. 1, the temperature in the machine room 1 is detected in real time through a temperature sensor, and the wind direction outside the machine room 1 is monitored in real time through a wind direction sensor 4. If the temperature in the machine room 1 rises slightly and the wind direction sensor 4 detects wind, the ventilation fan is started and the first ventilation window 6 or the second ventilation window 11 corresponding to the wind direction is opened to cool down naturally according to the monitoring data of the wind direction sensor 4. If the temperature in the machine room 1 is continuously increased or the wind direction sensor 4 does not detect wind, the refrigeration fan is controlled to start refrigeration, so that the temperature in the machine room 1 is reduced.

When the existing device sucks natural wind into the machine room 1 to cool, water vapor contained in the natural wind can also enter the machine room 1 through the first ventilation window 6 or the second ventilation window 11. The problem that the communication equipment in the machine room 1 is affected by the entering water vapor is solved when the machine is in overcast and rainy weather and the natural wind contains more water vapor.

Disclosure of Invention

The utility model aims to solve the problem that the equipment in the machine room is affected by the fact that water vapor enters the machine room in overcast and rainy weather in the existing machine room cooling device. The utility model provides a cooling and radiating device which can absorb moisture in natural wind and prevent the moisture from entering a machine room to influence communication equipment in the machine room.

In order to solve the technical problems, an embodiment of the utility model discloses a cooling and heat dissipating device for a machine room, wherein the machine room is provided with a containing cavity, and the cooling and heat dissipating device comprises:

the ventilation part is arranged on the cavity wall of the accommodating cavity, and one side of the ventilation part, which is close to the accommodating cavity, is provided with an assembly opening;

the sealing mechanism is arranged at the assembling port and can be switched between a first position and a second position so as to enable the ventilation part to be communicated with or separated from the accommodating cavity;

the adsorption mechanism is detachably arranged in the assembly port and is internally provided with a drying agent.

By adopting the technical scheme, the ventilation part can be opened or closed according to the heat dissipation requirement of the actual situation by the movement of the sealing mechanism, and moisture in natural wind can be adsorbed by the adsorption mechanism, so that the influence of the moisture on communication equipment in the machine room caused by the entering of the machine room is avoided.

As a specific embodiment, the sealing mechanism includes:

the upper fixing plate is used for being connected with the inner side wall of the accommodating cavity, and an electromagnet is arranged on the upper fixing plate;

the lower fixing plate is used for being connected with the inner side wall of the accommodating cavity;

the support rod is arranged between the upper fixing plate and the lower fixing plate;

the sealing plate is arranged between the upper fixing plate and the lower fixing plate and is in sliding connection with the supporting rod; a metal adsorption part is arranged at a position on the sealing plate corresponding to the electromagnet;

the first elastic piece is arranged between the sealing plate and the lower fixing plate, and two ends of the first elastic piece are respectively connected with the sealing plate and the lower fixing plate.

As a specific embodiment, the adsorption mechanism includes:

the mounting frame is arranged in the assembly port, and the side wall of the mounting frame is provided with a splicing groove;

the control groove is arranged on the side wall of the assembly port and is communicated with the accommodating cavity, and a notch is formed in the position, opposite to the inserting groove, of the control groove;

the inserting connection rod is arranged in the control groove in a sliding manner, and can extend into the inserting groove from the opening or retract into the control groove from the inserting groove, so that the mounting frame can be separated from the assembly opening;

the sliding rod is arranged in the control groove, and the inserting rod is arranged on the sliding rod in a sliding manner;

the second elastic piece is sleeved on the sliding rod, and the inserting connection rod is connected with the second elastic piece; the second elastic piece can be compressed to enable the plugging rod to retract into the control groove from the plugging groove.

As a specific embodiment, the installation frame is provided with an installation groove, the adsorption mechanism comprises a dust removing net rack, the dust removing net rack is arranged in the installation groove, the dust removing net rack is provided with a cavity, and the drying agent is arranged in the cavity.

As a specific embodiment, ventilation parts are respectively arranged on two side walls of the machine room along the first direction and two side walls of the machine room along the second direction, and the first direction and the second direction are mutually perpendicular.

As a specific implementation mode, a movable groove is further arranged in the ventilation part, the movable groove is embedded into the side wall of the machine room, and a ventilation switching mechanism is arranged in the movable groove.

As a specific embodiment, the ventilation switching mechanism includes:

the first switching device comprises a first closing plate, a first communicating plate and a first transmission rod, and the first closing plate and the first communicating plate can move on the first transmission rod along a third direction; the first switching devices are respectively arranged in two movable grooves arranged along the first direction;

the second switching device comprises a second closing plate, a second communication plate and a second transmission rod, and the second closing plate and the second communication plate can move on the second transmission rod along a third direction; the second switching devices are respectively arranged in two movable grooves arranged along the second direction;

and the driving device is used for driving the first switching device and the second switching device to move so as to enable the two ventilation parts in the first direction to be communicated and the two ventilation parts in the second direction to be closed or enable the two ventilation parts in the first direction to be closed and the two ventilation parts in the second direction to be communicated.

As a specific embodiment, the method further comprises:

the first transmission mechanism is connected with the output shaft of the driving device, and is respectively connected with the first switching device in a transmission way;

the second transmission mechanism is in transmission connection with the first transmission mechanism through gears, and two ends of the second transmission mechanism are respectively in transmission connection with the second switching device.

As a specific implementation mode, the first communication plate and the second communication plate are internally provided with exhaust fans.

As a specific embodiment, the air conditioner further comprises a controller, a temperature sensor, a wind direction sensor and a refrigerator, wherein the controller is electrically connected with the temperature sensor, the wind direction sensor and the refrigerator respectively, and the controller is electrically connected with the sealing mechanism.

Drawings

Fig. 1 shows a schematic structural diagram of a cooling and heat dissipating device of a machine room in the background art;

FIG. 2 is a schematic diagram showing the overall structure of a cooling and heat dissipating device according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing a cross-sectional structure of a cooling device according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing a cross-sectional structure of a cooling device according to another embodiment of the present utility model;

FIG. 5 shows a schematic view of a sealing mechanism according to an embodiment of the present utility model;

FIG. 6 shows a schematic diagram of an adsorption mechanism according to an embodiment of the present utility model;

FIG. 7 is a cross-sectional view of an adsorption mechanism according to an embodiment of the present utility model taken transversely along the mating slot of FIG. 6;

fig. 8 is a schematic structural view showing a ventilation switching mechanism of an embodiment of the present utility model;

in the figure, 10-machine room, 11-accommodating chamber, 21-controller, 22-temperature sensor, 23-wind direction sensor, 24-power supply, 25-refrigerator, 30-ventilation mechanism, 31-ventilation part, 32-movable slot, 33-fitting port, 40-sealing mechanism, 41-upper fixed plate, 42-lower fixed plate, 43-supporting rod, 44-sealing plate, 45-first elastic piece, 46-electromagnet, 47-metal adsorption part, 50-adsorption mechanism, 51-mounting frame, 511-inserting slot, 52-dedusting net rack, 521-accommodating chamber, 53-control slot, 531-opening, 54-inserting rod, 55-sliding rod, 56-second elastic piece, 60-ventilation switching mechanism, 61-first switching device, 611-first sealing plate, 612-first communicating plate, 613-first mounting slot, 614-first transmission rod, 62-second switching device, 621-second sealing plate, 622-second communicating plate, 623-second mounting slot, 624-second transmission rod, 63-first driving mechanism, 64-second driving mechanism.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The following description contains many specific details for the purpose of providing a thorough understanding of the present utility model. The utility model may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present embodiment, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.

The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The embodiment of the utility model discloses a cooling and heat dissipation device which is used for cooling a machine room 10, wherein the machine room 10 is provided with a containing cavity 11, and the cooling and heat dissipation device is at least partially arranged in the containing cavity 11 of the machine room 10. Specifically, referring to fig. 2 to 4, the cooling and heat dissipating device includes a ventilation mechanism 30, a sealing mechanism 40, and an adsorption mechanism 50.

The ventilation mechanism 30 includes a ventilation portion 31, and the ventilation portion 31 is provided on a chamber wall (i.e., a side wall of the machine room 10) of the accommodating chamber 11. Illustratively, in order to ensure that natural wind of each wind direction can be effectively utilized to achieve a good ventilation effect, ventilation portions 31 are provided on both side walls of the machine room 10 in the first direction (as shown in the X direction in fig. 2 to 4) and both side walls in the second direction (as shown in the Y direction in fig. 2 to 4). Wherein the first direction and the second direction are perpendicular to each other. Further, the two ventilation parts 31 located in the first direction are disposed opposite to each other, and the two ventilation parts 31 located in the second direction are disposed opposite to each other.

The sealing mechanism 40 is used for controlling the on-off of the ventilation part 31, and opening the ventilation part 31 to cool the interior of the machine room 10 when necessary. The ventilation part 31 is internally provided with the adsorption mechanism 50, and the adsorption mechanism 50 is internally provided with the drying agent, so that when the ventilation part 31 is opened to cool the machine room 10, the drying agent can absorb the moisture in the natural wind, and the moisture is prevented from entering the machine room 10.

By adopting the technical scheme of the embodiment of the utility model, the ventilation part 31 can be opened or closed according to the actual heat dissipation requirement, and the adsorption mechanism 50 can adsorb the moisture in the natural wind, so that the influence of the moisture entering the machine room 10 on the communication equipment in the machine room 10 is avoided.

Referring to fig. 3, a fitting port 33 is provided on a side of the ventilation portion 31 adjacent to the accommodating chamber 11, a sealing mechanism 40 is provided at the fitting port 33, and the sealing mechanism 40 is switchable between a first position and a second position to communicate or shut off the ventilation portion 31 with the accommodating chamber 11. Specifically, referring to fig. 5, the sealing mechanism 40 includes an upper fixing plate 41 and a lower fixing plate 42, and both the upper fixing plate 41 and the lower fixing plate 42 are used to be connected with the inner side wall of the accommodating chamber 11. A supporting rod 43 is provided between the upper and lower fixing plates 41 and 42, and both ends of the supporting rod 43 are connected with the upper and lower fixing plates 41 and 42, respectively. A sealing plate 44 is provided between the upper and lower fixing plates 41 and 42, and the sealing plate 44 is slidably connected to the support rod 43. A first elastic member 45 is further disposed between the sealing plate 44 and the lower fixing plate 42, and two ends of the first elastic member 45 are connected with the sealing plate 44 and the lower fixing plate 42, respectively.

With continued reference to fig. 5, an electromagnet 46 is provided on the upper fixing plate 41, and a metal adsorbing portion 47 is provided on the sealing plate 44 at a position corresponding to the electromagnet 46. When the electromagnet 46 is energized, the electromagnet 46 will attract the metal attracting portion 47, so that the sealing plate 44 slides on the support rod 43 in the third direction (as shown in the Z direction in fig. 3) toward the upper fixing plate 41 until contacting the upper fixing plate 41, at which time the sealing plate 44 is located at the second position, blocking the communication between the ventilation portion 31 and the accommodating chamber 11. When the sealing plate 44 is in the second position, the first elastic member 45 is in a stretched state.

When the electromagnet 46 is powered off, the electromagnet 46 loses magnetism, the metal adsorption part 47 is disconnected from the electromagnet 46, the sealing plate 44 moves towards the lower fixing plate 42 along the third direction under the reset resilience force of the first elastic piece 45 until the sealing plate 44 is at the first position, at this time, the sealing plate 44 does not block the assembly port 33, the ventilation part 31 can be communicated with the accommodating cavity 11, that is, when the sealing plate 44 is at the first position, natural wind can enter the machine room 10 through the ventilation part 31, and the machine room 10 is cooled.

The first elastic member 45 is illustratively a spring.

Referring to fig. 3 and 4, the adsorption mechanism 50 is provided in the fitting opening 33. Specifically, referring to fig. 6, the adsorption mechanism 50 includes a mounting frame 51, and a dust removing net frame 52, the mounting frame 51 is provided with a mounting groove, the dust removing net frame 52 is provided in the mounting groove, the dust removing net frame 52 is provided with a cavity, a desiccant is provided in the cavity, and the adsorption mechanism 50 is provided in the assembly port 33 through the mounting frame 51.

Further, to facilitate replacement of the desiccant in the dust removal rack 52, the mounting frame 51 is detachably connected to the fitting opening 33. Referring to fig. 6 and 7, a fitting groove 511 is provided in a fitting groove side wall of the fitting frame 51. The side wall of the assembly port 33 is provided with a control groove 53, one side of the control groove 53 is communicated with the accommodating cavity 11, and a notch 531 is arranged at a position of the control groove 53 opposite to the inserting groove 511. The control groove 53 is slidably provided with a plugging rod 54, and the plugging rod 54 can extend from the notch 531 into the plugging groove 511, so that the mounting frame 51 and the assembly opening 33 are connected together. Or the insertion rod 54 is retracted into the control groove 53 by the insertion groove 511 so that the mounting frame 51 can be separated from the fitting opening 33. Correspondingly, a sliding rod 55 is arranged in the control groove 53, and the inserting connection rod 54 is arranged on the sliding rod 55 in a sliding way. Specifically, the sliding rod 55 is sleeved with the second elastic member 56, the plug rod 54 is connected with the second elastic member 56, and the second elastic member 56 can be compressed, so that the plug rod 54 is retracted into the control slot 53 from the plug slot 511. Or the second elastic member 56 restores the elastic force to drive the inserting connection rod 54 to extend from the notch 531 to extend into the inserting groove 511 so as to connect the mounting frame 51 with the assembling port 33. By this arrangement, the installation frame 51 is separated from the assembly opening 33 by moving the insertion rod 54, so that the dust removal net frame 52 can be cleaned conveniently and the drying agent can be replaced.

Referring to fig. 3 and 4, a movable groove 32 is further provided in the ventilation part 31, the movable groove 32 is embedded in the side wall of the machine room 10, that is, the ventilation part 31 is provided with the movable groove 32 and the fitting opening 33 in sequence from outside to inside in the side wall of the machine room 10. The ventilation switching mechanism 60 is disposed in the movable slot 32, and the ventilation switching mechanism 60 is used for switching the ventilation parts 31 that are communicated and closed according to the wind direction, that is, the ventilation switching mechanism 60 can keep the ventilation parts 31 in only one direction open according to the wind direction, for example, the ventilation parts 31 in the first direction open, the ventilation parts 31 in the second direction close, or the ventilation parts 31 in the second direction open, and the ventilation parts 31 in the first direction close.

Illustratively, the ventilation switching mechanism 60 includes two sets of first and second switching devices 61, 62. The first switching devices 61 are respectively disposed in the two movable grooves 32 disposed in the first direction, and the second switching devices 62 are respectively disposed in the two movable grooves 32 disposed in the second direction.

Referring to fig. 8, a group of first switching means 61 and second switching means 62 will be described as an example. The first switching device 61 comprises a first closing plate 611, a first communication plate 612 and a first transmission rod 614, the first closing plate 611 and the first communication plate 612 being movable in a third direction on the first transmission rod 614. Illustratively, the first closing plate 611 and the first communicating plate 612 are slidably disposed in the movable groove 32, and the first closing plate 611 and the first communicating plate 612 are screw-coupled with the first transmission rod 614.

The second switching device 62 includes a second closing plate 621, a second communication plate 622, and a second transmission lever 624, the second closing plate 621 and the second communication plate 622 being movable in a third direction on the second transmission lever 624. Illustratively, the second closing plate 621 and the second communicating plate 622 are slidably disposed within the movable groove 32, and the second closing plate 621 and the second communicating plate 622 are threadedly coupled with the second transmission rod 624.

The ventilation switching mechanism 60 further includes a driving device 63, a first transmission mechanism 64, and a second transmission mechanism 65. The driving device 63 drives the first switching device 61 and the second switching device 62 to move through the first transmission mechanism 64 and the second transmission mechanism 65 so as to cause the two ventilation parts 31 in the first direction to communicate, the two ventilation parts 31 in the second direction to close, or the two ventilation parts 31 in the first direction to close, and the two ventilation parts 31 in the second direction to communicate.

Specifically, the first transmission mechanism 64 includes a first transmission shaft, one end of the first transmission shaft is connected to the output shaft of the driving device 63, meanwhile, a worm is disposed on the first transmission shaft, a turbine is disposed on the first transmission rod 614, and the first transmission shaft drives the first transmission rod 614 to rotate through the turbine worm, so as to drive the first closing plate 611 and the first communicating plate 612 of the first switching device 61 to move along the first transmission rod 614.

The second transmission 65 is geared to the first transmission 64. Illustratively, as shown in fig. 8, a bevel gear is disposed in the middle of the first transmission shaft, and a bevel gear is also disposed on the first transmission shaft of the second transmission mechanism 65, so that the first transmission shaft rotates through gear transmission when the first transmission shaft rotates. Similarly, two ends of the second transmission shaft are in gear connection with the second transmission rod 624 through gear transmission, and when the second transmission shaft rotates, the second transmission rod 624 is driven to rotate, so that the second sealing plate 621 and the second communication plate 622 move on the second transmission rod 624.

Further, exhaust fans are arranged in the first communication port and the second communication port. After the ventilation switching mechanism 60 is controlled to open the two ventilation parts 31 in the wind direction (such as the first direction) and close the two ventilation parts 31 not in the wind direction (such as the second direction), the exhaust fan in the corresponding direction can be started, so that convection is formed in the accommodating cavity 11 of the machine room 10, and cooling is achieved.

Further, the cooling and heat dissipating device according to the embodiment of the present utility model further includes a controller 21, a temperature sensor 22, a wind direction sensor 23, and a refrigerator 25, where the controller 21 is electrically connected to the temperature sensor 22, the wind direction sensor 23, and the refrigerator 25, and the controller 21 is electrically connected to the sealing mechanism 40. The temperature sensor 22 is used for detecting the temperature in the machine room 10, and the wind direction sensor 23 is used for detecting whether natural wind and wind direction exist outside the machine room 10. When the temperature in the machine room 10 exceeds the limit value but no wind exists outside, the refrigerator 25 is started to refrigerate the machine room 10, and when the wind direction detection sensor detects that wind exists outside, the electromagnet 46 of the sealing mechanism 40 is controlled to lose electricity, so that the sealing plate 44 moves downwards to enable the ventilation part 31 to be communicated with the accommodating cavity 11, and the temperature is reduced. In this process, the desiccant is able to absorb moisture in the natural wind, preventing moisture from entering the machine room 10 and affecting the equipment. And can be according to actual conditions, switch ventilation portion 31 opening in the wind direction through ventilation switching mechanism 60 to open the air exhauster, increase the circulation of air in the computer lab 10, realize quick cooling.

And a power supply 24 is also arranged in the machine room 10 and is electrically connected with the controller 21, the temperature sensor 22, the wind direction sensor 23, the refrigerator 25, the electromagnet 46, the driving device 63 and other components to provide electric energy for the operation of the cooling and heat dissipation device.

While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides a cooling heat abstractor for the computer lab, the computer lab is provided with the accommodation chamber, a serial communication port, include:

the ventilation part is arranged on the cavity wall of the accommodating cavity, and one side of the ventilation part, which is close to the accommodating cavity, is provided with an assembly port;

the sealing mechanism is arranged at the assembling port and can be switched between a first position and a second position so as to enable the ventilation part to be communicated with or separated from the accommodating cavity; the sealing mechanism includes:

the first elastic piece is arranged between the sealing plate and the lower fixing plate, and two ends of the first elastic piece are respectively connected with the sealing plate and the lower fixing plate;

the adsorption mechanism is detachably arranged in the assembly port and is internally provided with a drying agent; the adsorption mechanism includes:

the inserting connection rod is arranged in the control groove in a sliding manner, and can extend from the opening to the inserting groove or retract from the inserting groove to the control groove so that the mounting frame can be separated from the assembly opening;

the second elastic piece is sleeved on the sliding rod, and the plug rod is connected with the second elastic piece; the second elastic piece can be compressed to enable the plug rod to retract from the plug groove into the control groove.

2. The cooling and heat dissipating device of claim 1, wherein the mounting frame is provided with a mounting groove, the adsorption mechanism comprises a dust removal grid, the dust removal grid is disposed in the mounting groove, the dust removal grid is provided with a cavity, and the desiccant is disposed in the cavity.

3. The cooling and heat dissipating device of claim 1, wherein the ventilation parts are respectively disposed on two sidewalls of the machine room along the first direction and two sidewalls of the machine room along the second direction, and the first direction and the second direction are perpendicular to each other.

4. The cooling and heat dissipating device of claim 3, wherein a movable slot is further provided in the ventilation portion, the movable slot is embedded in a side wall of the machine room, and a ventilation switching mechanism is provided in the movable slot.

5. The cooling and heat dissipating apparatus of claim 4, wherein said ventilation switching mechanism comprises:

the first switching device comprises a first closing plate, a first communication plate and a first transmission rod, wherein the first closing plate and the first communication plate can move on the first transmission rod along a third direction; the first switching devices are respectively arranged in the two movable grooves arranged along the first direction;

the second switching device comprises a second closing plate, a second communication plate and a second transmission rod, wherein the second closing plate and the second communication plate can move on the second transmission rod along the third direction; the second switching devices are respectively arranged in the two movable grooves arranged along the second direction;

and the driving device is used for driving the first switching device and the second switching device to move so as to enable the two ventilation parts in the first direction to be communicated and the two ventilation parts in the second direction to be closed, or enable the two ventilation parts in the first direction to be closed and the two ventilation parts in the second direction to be communicated.

6. The cooling heat sink of claim 5, further comprising:

the second transmission mechanism is in gear transmission connection with the first transmission mechanism, and two ends of the second transmission mechanism are respectively in transmission connection with the second switching device.

7. The cooling heat sink of claim 6 wherein the first and second communication plates are each provided with an exhaust fan therein.

8. The cooling and heat dissipating device of claim 1, further comprising a controller, a temperature sensor, a wind direction sensor, and a refrigerator, wherein the controller is electrically connected to the temperature sensor, the wind direction sensor, and the refrigerator, respectively, and wherein the controller is further electrically connected to the sealing mechanism.