Heat dissipation device

Abstract

The utility model belongs to the technical field of heat dissipation equipment, and discloses a heat dissipation device which comprises a first water collection chamber, a second water collection chamber, a first heat dissipation flat pipe, a second heat dissipation flat pipe and heat dissipation fins. A water inlet channel and a water outlet channel are formed in the first water collecting chamber and are arranged in parallel in the first direction. The second water collecting chamber and the first water collecting chamber are arranged in a spaced mode in the second direction, and the second water collecting chamber forms a flowing channel. The first heat dissipation flat pipe is communicated with the water inlet channel and the second water collection chamber. And the second radiating flat pipe is communicated with the second water collecting chamber and the water outlet channel. The radiating fins are connected outside the first radiating flat tubes; and / or the radiating fins are connected outside the second radiating flat tubes. According to the heat dissipation device, the flowing distance of cooling liquid is prolonged, and meanwhile, the space occupied by the first heat dissipation flat pipe and the second heat dissipation flat pipe in the second direction is reduced, so that the space of the whole vehicle is saved, and the economic benefits of products are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation equipment, in particular to a heat dissipation device. Background Art

[0002] An automotive radiator is an essential component in the water-cooled engine cooling system of an automobile. It is developing towards the direction of being light, efficient, and economical, and the structure of the automotive radiator is constantly adapting to new developments. The coolant inside the flat tubes of the automotive radiator circulates internally, and the forced convection heat transfer formed by the operation of the external fan takes away a large amount of heat energy, enabling the engine to operate normally under common working conditions and preventing the engine from being overcooled or overheated.

[0003] Existing automotive radiators all have a single-layer multi-row heat dissipation tube structure. In the whole vehicle, the length and the number of rows of the heat dissipation tubes are increased to meet the performance requirements. For vehicles with high heat transfer performance, the radiator is required to have longer and more heat dissipation tubes, making the size of the radiator in a single plane larger. Therefore, enough space needs to be provided in the whole vehicle to meet the installation requirements. However, on the one hand, the increase in the installation space of the radiator will increase the volume and weight of the whole vehicle, and on the other hand, it will also consume the installation space of other components, which directly reduces the economic benefits of the product.

[0004] Therefore, there is an urgent need for a heat dissipation device to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a heat dissipation device that saves the space occupied by the heat dissipation device while ensuring the length of the heat dissipation flat tubes, and improves the economic benefits of the product.

[0006] To achieve the above object, the utility model adopts the following technical solutions:

[0007] Provide a heat dissipation device, including:

[0008] A first water collecting chamber, the first water collecting chamber forms an inlet channel and an outlet channel arranged in parallel in a first direction;

[0009] A second water collecting chamber, the second water collecting chamber is spaced from the first water collecting chamber in a second direction, and the second water collecting chamber forms a flow channel;

[0010] A first heat dissipation flat tube, the first heat dissipation flat tube communicates with the inlet channel and the second water collecting chamber;

[0011] A second heat dissipation flat tube, the second heat dissipation flat tube communicates with the second water collecting chamber and the outlet channel;

[0012] Heat dissipation fins, the heat dissipation fins are connected to the outside of the first heat dissipation flat tube;

[0013] And / or, the heat dissipation fins are connected to the outside of the second heat dissipation flat tube;

[0014] Wherein, the first direction is perpendicular to the second direction.

[0015] As an alternative embodiment of the heat dissipation device, the first water collecting chamber includes a first connecting plate and a first housing plate. The first connecting plate connects the first heat dissipation flat tube and the second heat dissipation flat tube, and the first housing plate is connected to the first connecting plate.

[0016] As an alternative embodiment of the heat dissipation device, a first mounting groove is formed at the edge of the first connecting plate, and the first housing plate is snap-fitted into the first mounting groove.

[0017] As an alternative embodiment of the heat dissipation device, the first housing plate includes a partition plate. The first connecting plate is provided with an isolation groove, and the partition plate abuts in the isolation groove. The partition plate divides the interior of the first water collecting chamber into the water inlet channel and the water outlet channel.

[0018] As an alternative embodiment of the heat dissipation device, the first water collecting chamber further includes a first sealing ring, and the first sealing ring is connected between the first connecting plate and the first housing plate.

[0019] As an alternative embodiment of the heat dissipation device, the first housing plate includes a partition plate, the partition plate abuts against the first connecting plate, the partition plate divides the interior of the first water collecting chamber into the water inlet channel and the water outlet channel, and the first sealing ring includes an isolation portion, and the isolation portion is located between the partition plate and the first connecting plate.

[0020] As an alternative embodiment of the heat dissipation device, the second water collecting chamber includes a second connecting plate and a second housing plate. The second connecting plate connects the first heat dissipation flat tube and the second heat dissipation flat tube, and the second housing plate is connected to the second connecting plate to form the flow channel.

[0021] As an alternative embodiment of the heat dissipation device, the second connecting plate is provided with a second mounting groove, and the second housing plate is snap-fitted into the second mounting groove.

[0022] As an alternative embodiment of the heat dissipation device, the second water collecting chamber further includes a second sealing ring, and the second sealing ring is connected between the second connecting plate and the second housing plate.

[0023] As an alternative solution of the heat dissipation device, a plurality of the first heat dissipation flat tubes, the second heat dissipation flat tubes and the heat dissipation fins are provided. The plurality of first heat dissipation flat tubes and the plurality of second heat dissipation flat tubes are evenly distributed in the third direction. The number of the first heat dissipation flat tubes is the same as that of the second heat dissipation flat tubes and they are in one-to-one correspondence. Each heat dissipation fin is connected to two adjacent first heat dissipation flat tubes and two adjacent second heat dissipation flat tubes. Wherein, the first direction, the second direction and the third direction are perpendicular to each other in pairs.

[0024] Advantages of the utility model:

[0025] The utility model provides a heat dissipation device, including a first water collecting chamber, a second water collecting chamber, a first heat dissipation flat tube, a second heat dissipation flat tube and heat dissipation fins. The first water collecting chamber forms a water inlet channel and a water outlet channel. After the coolant enters the water inlet channel, it flows into the second water collecting chamber through the first heat dissipation flat tube. The coolant in the second water collecting chamber flows into the water outlet channel through the second heat dissipation flat tube and then flows out, so that the coolant can have a long enough flow path to ensure sufficient heat dissipation of the coolant. The heat dissipation fins are connected to the outside of the first heat dissipation flat tube, or the heat dissipation fins are connected to the outside of the second heat dissipation flat tube, or the heat dissipation fins are connected to the outside of the first heat dissipation flat tube and the outside of the second heat dissipation flat tube, which can increase the contact area between the heat dissipation flat tube and the air, improve the heat dissipation efficiency to the air, and the first heat dissipation flat tube and the second heat dissipation flat tube are arranged side by side in the first direction, reducing the space occupied by the first heat dissipation flat tube and the second heat dissipation flat tube in the second direction, saving the space of the whole vehicle and improving the economic benefit of the product. Description of the drawings

[0026] Figure 1 is a schematic diagram of the internal structures of the first water collecting chamber, the first heat dissipation flat tube and the second heat dissipation flat tube of the heat dissipation device provided by the utility model;

[0027] Figure 2 is a schematic diagram of the structure of the first sealing ring of the heat dissipation device provided by the utility model;

[0028] Figure 3 is a schematic diagram of the internal structures of the second water collecting chamber, the first heat dissipation flat tube and the second heat dissipation flat tube of the heat dissipation device provided by the utility model.

[0029] Figure 4 is an exploded schematic diagram of the heat dissipation device provided by the utility model.

[0030] In the figure:

[0031] 1. First water collecting chamber; 11. Water inlet channel; 12. Water outlet channel; 13. First connecting plate; 131. First installation groove; 132. Isolation groove; 14. First shell plate; 141. Partition board; 15. First sealing ring; 151. Isolation part; 152. Edge part;

[0032] 2. Second water collecting chamber; 21. Flow channel; 22. Second connecting plate; 221. Second mounting groove; 23. Second housing plate; 24. Second sealing ring;

[0033] 3. First flat heat pipe; 4. Second flat heat pipe; 5. Heat dissipation fins. Detailed implementation manners

[0034] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that, for the convenience of description, only parts related to the present utility model rather than all structures are shown in the drawings.

[0035] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0036] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include that the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "above the top", and "on the top" of the second feature includes that the first feature is directly above and obliquely above the second feature, or only means that the first feature has a higher horizontal height than the second feature. The first feature being "below", "below the bottom", and "under the bottom" of the second feature includes that the first feature is directly below and obliquely below the second feature, or only means that the first feature has a lower horizontal height than the second feature.

[0037] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.

[0038] Such as Figures 1 to 3As shown in the figure, the heat dissipation device of this embodiment includes a first water collecting chamber 1, a second water collecting chamber 2, a first heat dissipation flat tube 3, a second heat dissipation flat tube 4, and heat dissipation fins 5. The first water collecting chamber 1 forms a water inlet channel 11 and a water outlet channel 12, and the water inlet channel 11 and the water outlet channel 12 are arranged side by side in the first direction. The second water collecting chamber 2 is spaced from the first water collecting chamber 1 in the second direction, and the second water collecting chamber 2 forms a flow channel 21. The first heat dissipation flat tube 3 communicates with the water inlet channel 11 and the second water collecting chamber 2. The second heat dissipation flat tube 4 communicates with the second water collecting chamber 2 and the water outlet channel 12. The heat dissipation fins 5 are connected to the outside of the first heat dissipation flat tube 3; alternatively, the heat dissipation fins 5 are connected to the outside of the second heat dissipation flat tube 4; or, the heat dissipation fins 5 are connected to the outside of the first heat dissipation flat tube 3 and the outside of the second heat dissipation flat tube 4. Among them, the first direction is Figure 4 the X direction in Figure 4 and the second direction is the Y direction in

[0039] Based on the above design, after the coolant enters the water inlet channel 11, it flows into the flow channel 21 through the first heat dissipation flat tube 3, and the coolant in the flow channel 21 flows into the water outlet channel 12 through the second heat dissipation flat tube 4. Finally, the coolant flows out from the water outlet channel 12, so that the coolant can have a long enough flow path to ensure sufficient heat dissipation of the coolant. The heat dissipation fins 5 are connected to the outside of the first heat dissipation flat tube 3, or the heat dissipation fins 5 are connected to the outside of the second heat dissipation flat tube 4, or the heat dissipation fins 5 are connected to the outside of the first heat dissipation flat tube 3 and the outside of the second heat dissipation flat tube 4, which can increase the contact area between the heat dissipation flat tube and the air and improve the heat dissipation efficiency to the air. Moreover, the first heat dissipation flat tube 3 and the second heat dissipation flat tube 4 are arranged side by side in the first direction. While extending the flow distance of the coolant, the space occupied by the first heat dissipation flat tube 3 and the second heat dissipation flat tube 4 in the second direction is reduced, thereby saving the space of the whole vehicle and improving the economic benefits of the product.

[0040] Referring to Figure 1 As shown in the figure, the first water collecting chamber 1 includes a first connecting plate 13 and a first shell plate 14. The first connecting plate 13 connects the first heat dissipation flat tube 3 and the second heat dissipation flat tube 4 to realize the relative fixation between the first water collecting chamber 1 and the first heat dissipation flat tube 3 and the second heat dissipation flat tube 4. In some embodiments, the first heat dissipation flat tube 3 and the second heat dissipation flat tube 4 are welded to the first connecting plate 13, and the material of the first shell plate 14 is high-strength plastic, which can ensure the strength of the first water collecting chamber 1 while reducing the weight of the heat dissipation device. The first shell plate 14 is connected to the first connecting plate 13. Specifically, a first installation groove 131 is formed at the edge of the first connecting plate 13, and the first shell plate 14 is buckled in the first installation groove 131, which is simple to manufacture and can ensure the structural stability between the first connecting plate 13 and the first shell plate 14.

[0041] Further, the first shell plate 14 further includes a partition plate 141. The first connecting plate 13 is provided with an isolation groove 132. The partition plate 141 is correspondingly arranged with the isolation groove 132. The partition plate 141 abuts in the isolation groove 132. The partition plate 141 divides the interior of the first water collecting chamber 1 into a water inlet channel 11 and a water outlet channel 12.

[0042] To ensure the sealing performance of the first water collecting chamber 1, the first water collecting chamber 1 further includes a first sealing ring 15. The first sealing ring 15 is connected between the first connecting plate 13 and the first shell plate 14. In this embodiment, as Figure 2 shown, the first sealing ring 15 includes an isolation portion 151 and an edge portion 152. The isolation portion 151 is located between the partition plate 141 and the first connecting plate 13, and the isolation portion 151 is limited in the isolation groove 132 to ensure the seal between the water inlet channel 11 and the water outlet channel 12. The edge portion 152 is located between the edge of the first shell plate 14 and the first connecting plate 13, and the edge portion 152 is located in the first installation groove 131 to ensure the seal between the first water collecting chamber 1 and the outside. In this embodiment, the material of the first sealing ring 15 is ethylene propylene diene monomer rubber, which has good oxidation resistance, ozone resistance and corrosion resistance.

[0043] Referring to Figure 3 shown, the second water collecting chamber 2 includes a second connecting plate 22 and a second shell plate 23. The second connecting plate 22 connects the first heat dissipation flat tube 3 and the second heat dissipation flat tube 4. In some embodiments, the first heat dissipation flat tube 3 and the second heat dissipation flat tube 4 are welded to the second connecting plate 22. The process is mature and easy to manufacture. The material of the second shell plate 23 is high-strength plastic, which can ensure the strength of the second water collecting chamber 2 and also reduce the weight of the heat dissipation device. The second shell plate 23 and the second connecting plate 22 are connected to form a flow channel 21. Specifically, the second connecting plate 22 is provided with a second installation groove 221, and the second shell plate 23 is buckled in the second installation groove 221, which is simple to manufacture and can ensure the structural stability between the second connecting plate 22 and the second shell plate 23.

[0044] To ensure the sealing performance of the second water collecting chamber 2, the second water collecting chamber 2 further includes a second sealing ring 24. The second sealing ring 24 is connected between the second connecting plate 22 and the second shell plate 23. Specifically, the second sealing ring 24 is located between the edge of the second shell plate 23 and the second connecting plate 22, and the second sealing ring 24 is located in the second installation groove 221 to ensure the seal between the second water collecting chamber 2 and the outside. In this embodiment, the material of the second sealing ring 24 is ethylene propylene diene monomer rubber, which has good oxidation resistance, ozone resistance and corrosion resistance. To facilitate the assembly of the heat dissipation device, the second sealing ring 24 can be set to the same type of sealing ring as the first sealing ring 15, which can avoid the need to sort different materials during assembly and is beneficial to improving the efficiency of the assembly work.

[0045] Referring to Figure 4As shown, a plurality of first cooling flat tubes 3, second cooling flat tubes 4 and cooling fins 5 are provided. The plurality of first cooling flat tubes 3 and the plurality of second cooling flat tubes 4 are evenly distributed in the third direction. The number of the first cooling flat tubes 3 is the same as that of the second cooling flat tubes 4 and they are in one-to-one correspondence. Each cooling fin 5 is connected to two adjacent first cooling flat tubes 3 and two adjacent second cooling flat tubes 4. Among them, the third direction is Figure 4 the Z direction in Figure 4 , and the first direction, the second direction and the third direction are perpendicular to each other pairwise. By providing a plurality of first cooling flat tubes 3 and second cooling flat tubes 4, the number of coolant flow paths can be increased, the flow efficiency of the coolant can be improved, and thus the heat dissipation efficiency of the heat dissipation device can be improved. By providing a plurality of cooling fins 5, the contact area between the first cooling flat tubes 3 and the second cooling flat tubes 4 and the air is further enlarged, and the heat dissipation efficiency to the air is improved.

[0046] Optionally, the second water collecting chamber 2 can be partitioned to form two flow collecting channels. Each of the two flow collecting channels is provided with a liquid inlet, and the two flow collecting channels are respectively communicated with the water inlet channel 11 and the water outlet channel 12, so that the heat dissipation device can form two independent heat dissipation units, and different coolants can be used to dissipate heat at different positions.

[0047] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A heat dissipation device, characterized in that, Comprising: A first water collecting chamber (1), wherein the first water collecting chamber (1) forms a water inlet channel (11) and a water outlet channel (12) arranged side by side in a first direction; A second water collecting chamber (2), wherein the second water collecting chamber (2) is spaced from the first water collecting chamber (1) in a second direction, and the second water collecting chamber (2) forms a flow channel (21); A first flat heat dissipation pipe (3), wherein the first flat heat dissipation pipe (3) communicates the water inlet channel (11) and the second water collecting chamber (2); A second flat heat dissipation pipe (4), wherein the second flat heat dissipation pipe (4) communicates the second water collecting chamber (2) and the water outlet channel (12); Heat dissipation fins (5), wherein the heat dissipation fins (5) are connected to the outside of the first flat heat dissipation pipe (3); And / or, the heat dissipation fins (5) are connected to the outside of the second flat heat dissipation pipe (4); Wherein, the first direction is perpendicular to the second direction.

2. The heat dissipation device according to claim 1, wherein The first water collecting chamber (1) includes a first connecting plate (13) and a first housing plate (14), the first connecting plate (13) connects the first flat heat dissipation pipe (3) and the second flat heat dissipation pipe (4), and the first housing plate (14) is connected to the first connecting plate (13).

3. The heat dissipation device according to claim 2, wherein A first installation groove (131) is formed at the edge of the first connecting plate (13), and the first housing plate (14) is buckled in the first installation groove (131).

4. The heat dissipation device according to claim 2, wherein The first housing plate (14) further includes a partition plate (141), the first connecting plate (13) is provided with an isolation groove (132), the partition plate (141) abuts in the isolation groove (132), and the partition plate (141) divides the interior of the first water collecting chamber (1) into the water inlet channel (11) and the water outlet channel (12).

5. The heat dissipation device according to claim 2, wherein, The first water collecting chamber (1) further includes a first sealing ring (15), and the first sealing ring (15) is connected between the first connecting plate (13) and the first housing plate (14).

6. The heat dissipation device according to claim 5, characterized in that, The first housing plate (14) includes a partition plate (141), the partition plate (141) abuts against the first connecting plate (13), the partition plate (141) divides the interior of the first water collecting chamber (1) into the water inlet channel (11) and the water outlet channel (12), and the first sealing ring (15) includes an isolation portion (151), and the isolation portion (151) is located between the partition plate (141) and the first connecting plate (13).

7. The heat dissipation device according to claim 1, wherein, The second water collecting chamber (2) includes a second connecting plate (22) and a second housing plate (23), the second connecting plate (22) connects the first flat heat dissipation pipe (3) and the second flat heat dissipation pipe (4), and the second housing plate (23) is connected to the second connecting plate (22) to form the flow channel (21).

8. The heat dissipation device according to claim 7, wherein, The second connecting plate (22) is provided with a second installation groove (221), and the second housing plate (23) is buckled in the second installation groove (221).

9. The heat dissipation device according to claim 8, wherein The second water collecting chamber (2) further includes a second sealing ring (24), and the second sealing ring (24) is connected between the second connecting plate (22) and the second housing plate (23).

10. The heat dissipation device according to claim 1, wherein, The first flat heat dissipation tube (3), the second flat heat dissipation tube (4) and the heat dissipation fins (5) are all provided in plurality. The plurality of the first flat heat dissipation tubes (3) and the plurality of the second flat heat dissipation tubes (4) are evenly distributed in the third direction. The number of the first flat heat dissipation tubes (3) is the same as that of the second flat heat dissipation tubes (4) and they are in one-to-one correspondence. Each heat dissipation fin (5) is connected to two adjacent first flat heat dissipation tubes (3) and two adjacent second flat heat dissipation tubes (4). Among them, the first direction, the second direction and the third direction are perpendicular to each other in pairs.

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