Cooling device

Abstract

The utility model relates to the technical field of power battery cooling, and discloses a cooling device, which comprises a collecting pipe, a first end of the collecting pipe forms an air inlet end, and a second end of the collecting pipe forms an air outlet end. A first gas inlet, a first gas outlet and a second gas outlet are formed in the vortex assembly, the first gas inlet is communicated with the second end of the collecting pipe, the vortex assembly is suitable for dividing gas into hot gas and cold gas, the first gas outlet faces the object to be cooled, the cold gas flows out of the first gas outlet, and the hot gas flows out of the second gas outlet. Gas in the external environment is directly collected through the first end of the collecting pipe, the collection of the gas does not need to consume the energy of the battery, so that the cruising ability of the battery is ensured, the size of the opening section of the spiral pipe is gradually reduced, and the air flowing speed is increased; after the gas enters the vortex assembly, the gas is divided into hot gas and cold gas in the vortex assembly, and the cold gas flows to the to-be-cooled object through the first gas outlet so as to cool the to-be-cooled object.

Description

TECHNICAL FIELD

[0001] The utility model relates to power battery cooling technical field, concretely relates to cooling device. BACKGROUND

[0002] With the rise of electric vehicle market, power battery industry has entered the stage of rapid development, the rapid growth of global new energy vehicle market promotes the continuous innovation and breakthrough of power battery technology.

[0003] The battery pack will heat up due to internal resistance when the electric vehicle works in charging and discharging, and a heat dissipation mechanism is usually configured to maintain the stable temperature of the battery and safe operation. In the prior art, the fan blade is rotated by the transmission mechanism to cool the battery. However, the rotation of this transmission structure consumes the energy of the battery itself, causing the battery to consume energy too quickly. SUMMARY

[0004] Therefore, the utility model provides a kind of cooling device to solve the problem of consuming the energy of battery itself to cool battery in prior art.

[0005] In the first aspect, the utility model provides a kind of cooling device, comprising: collection pipe, along the flow direction of gas, the opening section size of the collection pipe gradually decreases, and the first end of the collection pipe forms air inlet end;Vortex component, the vortex component is formed with first air inlet, first air outlet and second air outlet, the first air inlet is communicated with the second end of the collection pipe, and the vortex component is suitable for dividing gas into hot gas and cold gas, the first air outlet is arranged towards the object to be cooled, the first air outlet is suitable for flowing out the cold gas, and the second air outlet is suitable for flowing out the hot gas.

[0006] Beneficial effect: the gas of external environment is directly collected by the first end of the collection pipe, and the collection of gas does not need to consume the energy of battery itself, so as to ensure the endurance of battery, and the opening section size of spiral pipe gradually decreases, and air flow speed becomes fast;After gas enters vortex component, gas is divided into hot gas and cold gas in vortex component, cold gas flows to the object to be cooled through first air outlet to cool the object to be cooled.

[0007] In an alternative embodiment, the vortex component includes a conversion valve and a vortex tube, the conversion valve is communicated with the vortex tube, the conversion valve is communicated with the second end of the collection pipe, the first air inlet and the first air outlet are both arranged on the conversion valve, and the second air outlet is arranged on the vortex tube, the conversion valve is suitable for converting the flow direction of gas into spiral direction, the vortex tube is formed with hot channel and cold channel, the hot channel is communicated with the second air outlet, and the cold channel is communicated with the first air outlet.

[0008] Beneficial effect: After the gas enters the conversion valve, the gas flow direction becomes spiral direction, which is beneficial to the cold and hot separation of the gas in the vortex tube.

[0009] In an alternative embodiment, the vortex tube comprises a tube body and a baffle, the baffle is arranged on the central axis of the tube body, and the cold channel is formed between the baffle and the conversion valve in the axial direction of the tube body, and the hot channel is formed around the cold channel in the tube body.

[0010] Beneficial effect: The cold channel and the hot channel are formed in the tube body at the same time, and the cold gas is bounced back by the baffle to avoid the cold gas and the hot gas being discharged together.

[0011] In an alternative embodiment, the baffle is arranged at the end of the tube body away from the conversion valve.

[0012] Beneficial effect: By arranging the baffle at the end of the tube body away from the conversion valve, the flow of the gas in the tube body is ensured to be formed, and the energy exchange between the cold gas and the hot gas is ensured.

[0013] In an alternative embodiment, the vortex assembly further comprises a spiral tube, the first end of the spiral tube is in communication with the second end of the collection tube, and the second end of the spiral tube is in communication with the first gas inlet.

[0014] Beneficial effect: The air flows in the spiral tube, so that the flow direction of the gas entering the conversion valve becomes spiral direction, which is more beneficial to the cold and hot separation of the gas in the vortex tube.

[0015] In an alternative embodiment, the conversion valve comprises a main body and a lead-out part, the main body is connected with the lead-out part, the two ends of the main body are in communication with the vortex tube and the spiral tube respectively, the first gas outlet is arranged at the end of the lead-out part away from the main body, and a through hole is further arranged on the main body, the two ends of the through hole are in communication with the lead-out part and the vortex tube respectively.

[0016] In an alternative embodiment, the main body is embedded in the second end of the spiral tube, a perforation is arranged on the spiral tube, and the lead-out part is arranged through the perforation.

[0017] Beneficial effect: The conversion valve is embedded in the spiral tube, which reduces the space occupation of the cooling device in the electric vehicle, and further improves the utilization rate of the internal space of the electric vehicle.

[0018] In an alternative embodiment, the cooling device further comprises a sealing member, the sealing member is arranged at the joint between the perforation and the lead-out part, the sealing member is sleeved on the lead-out part and connected with the outer wall of the spiral tube.

[0019] Beneficial effect: by setting the sealing member, prevent the cold air overflow from the joint between the perforation and the lead-out part, prevent the waste of cold energy.

[0020] In an alternative embodiment, the cooling device further comprises a cooling plate, a cooling pipe and a flow guide cover, the flow guide cover is formed with a flow guide cavity, the first air outlet is communicated with the flow guide cavity, the cooling pipe is communicated with the flow guide cavity, the cooling pipe is arranged on the cooling plate, and the cooling plate is adapted to place the object to be cooled.

[0021] Beneficial effect: by setting the flow guide cover and the cooling plate, the cooling gas is evenly transmitted to the entire cooling surface, and the cooling area is expanded.

[0022] In an alternative embodiment, the cooling device further comprises a housing, the housing is provided with a mounting groove, and at least part of the collecting pipe and at least part of the vortex assembly are embedded in the mounting groove.

[0023] Beneficial effect: by embedding at least part of the collecting pipe and at least part of the vortex assembly in the mounting groove, the collecting pipe and the vortex assembly are supported and fixed. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0025] Figure 1 It is an exploded structural schematic view of the cooling device of the embodiment of the present application.

[0026] Figure 2 It is an overall structural schematic view of the cooling device of the embodiment of the present application.

[0027] Figure 3 It is a connection structural schematic view of the collecting pipe and the vortex assembly of the embodiment of the present application.

[0028] Figure 4 It is a connection structural schematic view of the collecting pipe and part of the vortex assembly of the embodiment of the present application.

[0029] Figure 5 It is a structural schematic view of one of the conversion valves of the embodiment of the present application.

[0030] Figure 6 It is another structural schematic view of the conversion valve of the embodiment of the present application.

[0031] Figure 7 Structure diagram of a vortex tube according to an embodiment of the present application;

[0032] Figure 8 Structure diagram of a stop according to an embodiment of the present application;

[0033] Figure 9 Structure diagram of a connection between a cooling pipe, a cooling plate and a flow guide cover according to an embodiment of the present application.

[0034] Explanation of reference numerals:

[0035] 10, collecting pipe; 20, vortex assembly; 21, switching valve; 211, main body; 2111, through hole; 212, leading-out part; 2121, bent pipe; 2122, extension pipe; 22, vortex tube; 221, pipe body; 222, stop; 223, locking part; 23, spiral pipe; 24, first air inlet; 25, first air outlet; 26, second air outlet; 30, sealing member; 40, cooling plate; 50, cooling pipe; 60, flow guide cover; 70, outer shell; 71, upper shell; 72, lower shell; 80, object to be cooled. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0037] The embodiments of the present application will be described below in combination with Figures 1 to 9 .

[0038] According to the embodiments of the present application, on one hand, a cooling device is provided, which comprises a collecting pipe 10 and a vortex assembly 20. In the flow direction of the gas, the opening cross-sectional size of the collecting pipe 10 gradually decreases, and the first end of the collecting pipe 10 forms an air inlet end. The vortex assembly 20 is formed with a first air inlet 24, a first air outlet 25 and a second air outlet 26. The first air inlet 24 is in communication with the second end of the collecting pipe 10. The vortex assembly 20 is adapted to divide the gas into hot gas and cold gas. The first air outlet 25 is arranged towards an object to be cooled 80, and is adapted to flow out the cold gas. The second air outlet 26 is adapted to flow out the hot gas.

[0039] The cooling device in the embodiment can directly collect the gas in the external environment through the first end of the collecting pipe 10, and the gas collection does not consume the energy of the battery itself, thereby ensuring the endurance of the battery. The opening cross-sectional size of the spiral pipe 23 gradually decreases, and the air flow speed becomes faster. After the gas enters the vortex assembly 20, the gas is divided into hot gas and cold gas in the vortex assembly 20, and the cold gas flows to the object 80 to be cooled through the first gas outlet 25 to cool the object 80 to be cooled.

[0040] Specifically, the object 80 to be cooled in the embodiment is a power battery.

[0041] It should be noted that the power battery will release heat when releasing energy, and in order to maintain the performance stability of the power battery, the power battery needs to be cooled. In the related art, the power battery is often blown by a fan transmission mechanism to perform air cooling, however, the fan transmission mechanism needs to be driven by the power battery, which causes part of the energy of the power battery to be consumed. In the embodiment, the external air is collected through the collecting pipe 10, and the vortex assembly 20 is used to form cold gas to cool the power battery, without consuming the energy of the power battery itself.

[0042] It should be noted that the opening direction of the collecting pipe 10 is preferably consistent with the driving direction of the electric vehicle, so as to facilitate the collection of the gas. Specifically, when the electric vehicle is driving or descending, the air entering the collecting pipe 10 passes through the vortex assembly 20 to generate cold gas to blow and cool the power battery.

[0043] Of course, in other alternative embodiments, the opening direction of the collecting pipe 10 can also be set to other directions.

[0044] Of course, in other alternative embodiments, the collecting pipe 10 can also be provided with a plurality of collecting pipes 10, and the plurality of collecting pipes 10 are in communication with the first gas inlet 24 of the vortex assembly 20. The plurality of horn openings can be arranged in multiple directions to collect the gas in multiple directions.

[0045] It should be noted that the cold gas flowing out of the first gas outlet 25 can also be used for temperature adjustment in the car room.

[0046] It should be noted that the cold energy of the cold gas flowing out of the first gas outlet 25 can also be stored by using a cooling liquid.

[0047] In one embodiment, as Figure 1As shown, the vortex assembly 20 comprises a switching valve 21 and a vortex tube 22, the switching valve 21 is in communication with the vortex tube 22, the switching valve 21 is in communication with the second end of the collecting tube 10, the first gas inlet 24 and the first gas outlet 25 are arranged on the switching valve 21, the second gas outlet 26 is arranged on the vortex tube 22, the switching valve 21 is adapted to convert the flow direction of the gas into a spiral direction, the vortex tube 22 forms a hot channel and a cold channel, the hot channel is in communication with the second gas outlet 26, and the cold channel is in communication with the first gas outlet 25. After the gas enters the switching valve 21, the flow direction of the gas becomes a spiral direction, which is beneficial to the cold and hot separation of the gas in the vortex tube 22.

[0048] Specifically, please refer to Figure 5 , the switching valve 21 forms a plurality of spiral channels, and the two channel openings of each spiral channel are arranged on the two sides of the switching valve 21, wherein the channel opening close to the collecting tube 10 forms the first gas inlet 24.

[0049] It should be noted that the number of spiral channels can be adjusted according to actual conditions.

[0050] It should be noted that after the gas passes through the spiral channel, the flow direction of the gas is converted into a spiral direction, and after the gas enters the inner cavity of the vortex tube 22, due to the existence of angular momentum, the gas with fast motion gathers close to the inner wall of the vortex tube 22, and the gas with slow motion gathers at the central part of the vortex tube 22. The gas at the central part of the vortex tube 22 rubs against the gas close to the inner wall of the vortex tube 22 and transfers energy to the gas close to the inner wall of the vortex tube 22, so that the energy of the gas at the central part of the vortex tube 22 is weakened, the speed is reduced, and the temperature is reduced, forming cold gas; the gas close to the inner wall of the vortex tube 22 not only obtains the energy of the gas at the central part of the vortex tube 22, but also rubs against the inner wall of the vortex tube 22, so that the temperature continues to rise and the speed increases, thereby forming hot gas.

[0051] In one embodiment, as shown in Figure 7 , the vortex tube 22 comprises a tube body 221 and a stopper 222, the stopper 222 is arranged on the central axis of the tube body 221, and the cold channel is formed between the stopper 222 and the switching valve 21 along the axial direction of the tube body 221. The hot channel is formed around the cold channel in the tube body 221. The cold channel and the hot channel are formed in the tube body 221 at the same time, and the cold gas is bounced off by the stopper 222 to avoid the cold gas and the hot gas being discharged together.

[0052] In one embodiment, as shown in Figure 1 and Figure 7 , the stopper 222 is arranged at one end of the tube body 221 away from the switching valve 21. By arranging the stopper 222 at one end of the tube body 221 away from the switching valve 21, the flow of the gas in the tube body 221 is ensured, and the energy exchange between the cold gas and the hot gas is ensured.

[0053] Specifically, please refer to Figure 7 and Figure 8 , the vortex tube 22 further comprises a locking portion 223, the stopper 222 is connected with the locking portion 223, and the second gas outlet 26 is formed between the stopper 222 and the locking portion 223 to facilitate the discharge of hot gas. The pipe body 221 is provided with a thread at an end away from the switching valve 21, and the locking portion 223 is connected with the pipe body 221 through the thread.

[0054] Further, please refer to Figure 8 , the stopper 222 is a conical body, and the tapered tip of the stopper 222 is arranged towards the through hole 2111. When the cold gas passes through the stopper 222 which is a conical body, the cold gas is turned by rebounding from inside to outside, so that the turning of the cold gas is more smooth, and the separated cold and hot gases are prevented from mixing together again, and the cold gas is facilitated to flow to the through hole 2111 after being turned.

[0055] In other alternative embodiments, the stopper 222 can also be arranged inside the pipe body 221, and the stopper 222 is connected with the inner wall of the pipe body 221 and has a hole position to facilitate the discharge of hot gas.

[0056] In one embodiment, as shown in Figure 1 and Figure 3 , the vortex assembly 20 further comprises a spiral pipe 23, a first end of the spiral pipe 23 is in communication with the second end of the collecting pipe 10, and a second end of the spiral pipe 23 is in communication with the first gas inlet 24. The air flows in the spiral pipe 23, so that the flowing direction of the gas entering the switching valve 21 becomes a spiral direction, which is more conducive to the cold and hot separation of the gas in the vortex tube 22.

[0057] Further, the pipe of the spiral pipe 23 is gradually reduced in cross-sectional area to accelerate the flowing speed of the gas.

[0058] It should be noted that the faster the flowing speed of the gas, the higher the cold and hot separation efficiency of the gas in the vortex tube 22.

[0059] In one embodiment, as shown in Figure 5 and Figure 6 , the switching valve 21 comprises a main body portion 211 and a leading-out portion 212, the main body portion 211 is connected with the leading-out portion 212, two ends of the main body portion 211 are in communication with the vortex tube 22 and the spiral pipe 23 respectively, the first gas outlet 25 is arranged at an end of the leading-out portion 212 away from the main body portion 211, and the main body portion 211 is further provided with a through hole 2111, two ends of the through hole 2111 are in communication with the leading-out portion 212 and the vortex tube 22 respectively.

[0060] Specifically, an end of the leading-out portion 212 close to the main body portion 211 is arranged in a bent manner.

[0061] Further, please refer to Figure 5The export part 212 comprises a bent pipe 2121 and an extension pipe 2122, two ends of the bent pipe 2121 are connected with the main body part 211 and the extension pipe 2122 respectively, and the first air outlet 25 is arranged at one end of the extension pipe 2122 away from the bent pipe 2121.

[0062] It should be noted that the length of the extension pipe 2122 can be selected and adjusted according to actual conditions.

[0063] In one embodiment, as shown in Figure 3 and Figure 7 , the main body part 211 is embedded in the second end of the spiral pipe 23, the spiral pipe 23 is provided with a perforation, and the export part 212 penetrates through the perforation. The conversion valve 21 is embedded in the spiral pipe 23 to reduce the space occupation of the cooling device in the electric vehicle, thereby improving the utilization rate of the internal space of the electric vehicle.

[0064] It should be noted that the conversion valve 21 is embedded in the spiral pipe 23, which shortens the occupation length of the cooling device in the axial direction of the eddy current assembly 20, which is equivalent to releasing part of the occupied space of the cooling device in the electric vehicle. Other components can be added in this space to improve the utilization rate of the internal space of the electric vehicle.

[0065] In one embodiment, as shown in Figure 3 and Figure 4 , the cooling device further comprises a sealing member 30, the sealing member 30 is arranged at the joint between the perforation and the export part 212, the sealing member 30 is sleeved on the export part 212 and connected with the outer wall of the spiral pipe 23. By arranging the sealing member 30, the cold air is prevented from overflowing from the joint between the perforation and the export part 212, and the waste of cold energy is prevented.

[0066] Of course, in other alternative embodiments, other sealing methods can also be used at the joint between the sealing member 30 and the export part 212, such as glue treatment at the joint.

[0067] In one embodiment, as shown in Figure 2 and Figure 9 , the cooling device further comprises a cooling plate 40, a cooling pipe 50 and a flow guide cover 60, the flow guide cover 60 forms a flow guide cavity therein, the first air outlet 25 communicates with the flow guide cavity, the cooling pipe 50 communicates with the flow guide cavity, the cooling pipe 50 is arranged on the cooling plate 40, and the cooling plate 40 is adapted to place an object to be cooled 80. By arranging the flow guide cover 60 and the cooling plate 40, the cold gas is evenly transmitted and expanded to the entire cooling surface, thereby expanding the cooling area.

[0068] It should be noted that when the cold gas is directly guided by the guide-out portion 212 to the object to be cooled 80, the cooling area of the object to be cooled 80 is relatively concentrated, and the cooling rate is relatively low, so the cooling plate 40, the cooling pipe 50 and the flow guide cover 60 are added in the embodiment, the cooling pipe 50 arranged on the cooling plate 40 is used to balance and expand the cooling area, and the cooling efficiency is improved.

[0069] In one embodiment, as shown in Figure 1 and Figure 2 , the cooling device further comprises a shell 70, and the shell 70 is provided with a mounting groove, and at least part of the collecting pipe 10 and at least part of the vortex assembly 20 are embedded in the mounting groove. By embedding at least part of the collecting pipe 10 and at least part of the vortex assembly 20 in the mounting groove, the collecting pipe 10 and the vortex assembly 20 are supported and fixed.

[0070] Specifically, the mounting groove is matched with the outer contour of the collecting pipe 10 and the vortex assembly 20.

[0071] It should be noted that the electric vehicle will vibrate during driving, and the vibration may cause the collecting pipe 10 and the vortex assembly 20 to be separated, and even cause cracks on the collecting pipe 10 or the vortex assembly 20. By embedding the collecting pipe 10 and the vortex assembly 20 in the mounting groove, the structural influence of vibration on the collecting pipe 10 and the vortex assembly 20 is reduced.

[0072] Specifically, referring to Figure 1 , the shell 70 comprises an upper shell 71 and a lower shell 72, and the mounting groove comprises an upper groove body and a lower groove body. First, the collecting pipe 10 and the vortex assembly 20 are embedded in the lower groove body of the lower shell 72, and then the upper shell 71 is buckled with the lower shell 72.

[0073] Further, the cooling plate 40 is arranged on the upper shell 71, and the guide-out portion 212 is communicated with the flow guide cavity penetrating through the upper shell 71 and the flow guide cover 60.

[0074] By using the cooling device of the embodiment, the gas is collected by the collecting pipe 10, enters the conversion valve 21 after entering the spiral pipe 23, the flow direction of the gas becomes spiral direction, and enters the vortex pipe 22 to be separated into cold gas and hot gas. The hot gas is directly discharged from the second gas outlet 26, the cold gas is bounced to the guide-out portion 212 of the conversion valve 21 through the baffle 222, is guided by the guide-out portion 212 to the flow guide cover 60, and is dispersed to the cooling plate 40 in all directions through the cooling pipe 50 to cool the object to be cooled 80.

[0075] Although the embodiments of the utility model are described in combination with the drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the utility model, and such modifications and variations all fall within the scope defined by the utility model.

Claims

1. A cooling device, characterized by, The application relates to a gas cooling device, comprising: a collecting pipe (10) with a gradually reduced opening cross-sectional size in the flow direction of the gas, a first end of the collecting pipe (10) forming an air inlet end; a vortex assembly (20) formed with a first air inlet (24), a first air outlet (25) and a second air outlet (26), the first air inlet (24) being communicated with a second end of the collecting pipe (10), the vortex assembly (20) being adapted to divide the gas into hot gas and cold gas, the first air outlet (25) being arranged towards an object (80) to be cooled, the first air outlet (25) being adapted to flow out the cold gas, and the second air outlet (26) being adapted to flow out the hot gas.

2. The cooling device according to claim 1, wherein The vortex assembly (20) comprises a conversion valve (21) and a vortex pipe (22), the conversion valve (21) being communicated with the vortex pipe (22), the conversion valve (21) being communicated with the second end of the collecting pipe (10), the first air inlet (24) and the first air outlet (25) being arranged on the conversion valve (21), the second air outlet (26) being arranged on the vortex pipe (22), the conversion valve (21) being adapted to convert the flow direction of the gas into a spiral direction, and the vortex pipe (22) being formed with a hot channel and a cold channel, the hot channel being communicated with the second air outlet (26), and the cold channel being communicated with the first air outlet (25).

3. The cooling device of claim 2, wherein, The vortex pipe (22) comprises a pipe body (221) and a stop block (222), the stop block (222) being arranged on the central axis of the pipe body (221) and in the axial direction of the pipe body (221), the stop block (222) and the conversion valve (21) forming the cold channel therebetween, and the pipe body (221) being formed with the hot channel around the cold channel.

4. The cooling device according to claim 3, wherein The stop block (222) is arranged at one end of the pipe body (221) away from the conversion valve (21).

5. The cooling device according to any one of claims 2 to 4, characterized in that The vortex assembly (20) further comprises a spiral pipe (23), a first end of the spiral pipe (23) being communicated with the second end of the collecting pipe (10), and a second end of the spiral pipe (23) being communicated with the first air inlet (24).

6. The cooling device of claim 5, wherein, The conversion valve (21) comprises a main body (211) and a leading-out part (212), the main body (211) being connected with the leading-out part (212), two ends of the main body (211) being communicated with the vortex pipe (22) and the spiral pipe (23) respectively, the first air outlet (25) being arranged at one end of the leading-out part (212) away from the main body (211), and a through hole (2111) being further formed in the main body (211), two ends of the through hole (2111) being communicated with the leading-out part (212) and the vortex pipe (22) respectively.

7. The cooling device of claim 6, wherein The main body (211) is arranged at the second end of the spiral pipe (23), the spiral pipe (23) being formed with a perforation, and the leading-out part (212) is arranged through the perforation.

8. The cooling device of claim 7, wherein, The cooling device further comprises a sealing member (30) arranged at the joint of the through hole and the leading-out portion (212), the sealing member (30) is sleeved on the leading-out portion (212) and connected with the outer wall of the spiral pipe (23).

9. The cooling device of claim 5, wherein, The cooling device further comprises a cooling plate (40), a cooling pipe (50) and a flow guide cover (60), the flow guide cover (60) is formed with a flow guide cavity, the first air outlet (25) is communicated with the flow guide cavity, the cooling pipe (50) is communicated with the flow guide cavity, the cooling pipe (50) is arranged on the cooling plate (40), and the cooling plate (40) is adapted to place an object (80) to be cooled.

10. The cooling device according to any one of claims 1 to 4, characterized in that The cooling device further comprises a shell (70), the shell (70) is provided with a mounting groove, and at least part of the collecting pipe (10) and at least part of the vortex assembly (20) are embedded in the mounting groove.

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