Condenser heat dissipation structure for metal 3D printing

Abstract

The utility model relates to a metal 3D printing condenser heat dissipation structure which comprises a box body, a plurality of channels and a plurality of sets of cooling fins, the front end, the rear end, the upper portion and the lower portion of the box body are provided with openings communicated with the interior of the box body, the multiple channels are arranged in the box body, and the multiple sets of cooling fins are arranged in the box body. The two ends of each channel are located at the openings in the front end and the rear end of the box body respectively, the channels are used for fuel cell tail gas to pass through, the multiple sets of cooling fins penetrate through every two adjacent sets of channels respectively, so that the cooling area of the tail gas in the channels is increased, the tail gas is disturbed in the channels, and air is guided in through the opening in the upper portion of the box body. And an opening at the lower part of the box body is led out, so that the cooling fins are cooled. Through the arrangement of the S-shaped curve channels and the multiple sets of cooling fins, the heat dissipation area of fuel cell tail gas in the channels and turbulent flow of gas in the channels are increased, and the heat dissipation efficiency of the condenser on the fuel cell tail gas is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of condenser heat dissipation, and in particular to a metal 3D printed condenser heat dissipation structure. Background Art

[0002] The condenser is a component of the refrigeration system and a type of heat exchanger. It can convert gas or steam into liquid and transfer the heat in the tube to the air near the tube in a very fast way. The working process of the condenser is an exothermic process, so the condenser temperature is relatively high. The condenser is used in fuel cell applications such as submarines, RVs, unmanned underwater vehicles, and plateau military stations.

[0003] The condenser can be used to collect H in the fuel cell exhaust gas. 2 O gas recovery to achieve H 2 For example, hydrogen fuel cells produce water vapor during power generation, which can be recovered through tail gas condensation and used for drinking water or cooling water. Today's condensers have poor turbulence effects on fuel cell tail gas, which affects the heat dissipation efficiency of the condenser. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned technical deficiencies, propose a metal 3D printed condenser heat dissipation structure, and solve the technical problem in the prior art that the turbulence effect of the condenser on the exhaust gas of the fuel cell needs to be improved.

[0005] In order to achieve the above-mentioned technical purpose, the technical solution of the utility model includes a metal 3D printed condenser heat dissipation structure, including a box body, multiple channels and multiple groups of heat sinks, the front end, rear end, upper part and lower part of the box body are provided with openings connected to the interior of the box body, multiple channels are arranged in the box body, and the two ends of the channels are respectively located at the openings at the front end and rear end of the box body, the channels are used for the passage of fuel cell exhaust gas, multiple groups of heat sinks are respectively passed through two adjacent groups of channels to increase the heat dissipation area of ​​the exhaust gas in the channels and the turbulence of the exhaust gas in the channels, the air is introduced through the upper opening of the box body, and discharged through the lower opening of the box body to cool the heat sink.

[0006] Preferably, the plurality of channels are arranged to be S-shaped curves, so as to increase the heat dissipation area of ​​the S-shaped curve channels and the turbulence of the gas inside the channels.

[0007] Preferably, the top and bottom of the channel are both set to have diamond-shaped sharp angles of 60 to 90 degrees.

[0008] Preferably, diamond-shaped holes are provided on the heat sink to increase the heat dissipation area between the heat sink and the cold air.

[0009] Preferably, the rhombus angle of the rhombus holes is 60-90°.

[0010] Preferably, the plurality of channels are arranged at equal intervals.

[0011] Preferably, a plurality of groups of the heat sinks are arranged at equal intervals in two adjacent channels, the thickness of the heat sinks is 0.35-0.5 mm, and the spacing between the heat sinks is 3.5-5 mm.

[0012] Preferably, the width of the channel is 5 to 10 mm; and the distance between every two adjacent channels is 7.5 to 15 mm.

[0013] Preferably, the width of the diamond-shaped holes on the heat sink is 2.5-5 mm, and the height of the straight section of the diamond-shaped holes is 3.75-7.5 mm.

[0014] Preferably, a plurality of diamond-shaped holes are arranged on the heat sink at equal intervals in the vertical direction, and the interval between every two diamond-shaped holes is 5 to 10 mm.

[0015] Compared with the prior art, the beneficial effects of the utility model include: in the metal 3D printed condenser heat dissipation structure, the fuel cell exhaust gas enters the S-shaped curve channel from the front end opening of the box body, and the heat sink disturbs and cools the fuel cell exhaust gas in the S-shaped curve channel.

[0016] Air is introduced through the upper opening of the box body and discharged through the lower opening of the box body to cool the heat sink and dissipate heat, so as to cool the exhaust gas of the fuel cell in the channel.

[0017] By providing multiple S-shaped curve channels and multiple groups of heat sinks, the heat dissipation area of ​​the fuel cell exhaust gas in the channel and the turbulence of the gas inside the channel are increased, thereby improving the heat dissipation efficiency of the condenser for the fuel cell exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the heat dissipation structure of the condenser of metal 3D printing provided by the utility model;

[0019] Figure 2 It is a schematic diagram of channels and heat sinks in the metal 3D printed condenser heat dissipation structure provided by the utility model;

[0020] Figure 3 This utility model Figure 2 sectional view of

[0021] Figure 4 This utility model Figure 3 A local enlarged view of point A;

[0022] Figure 5It is a front view of the channel and the heat sink in the metal 3D printed condenser heat dissipation structure provided by the utility model;

[0023] Figure 6 It is a top view of the channels and heat sinks in the metal 3D printed condenser heat dissipation structure provided by the utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] like Figure 1 , Figure 2 , Figure 3 As shown, the utility model provides a metal 3D printed condenser heat dissipation structure, including a box 10, a plurality of channels 20 and a plurality of groups of heat sinks 30, the front end, rear end, upper part and lower part of the box 10 are provided with openings connected to the inside of the box 10, a plurality of channels 20 are arranged in the box 10, and the two ends of the channels 20 are respectively located at the openings at the front end and rear end of the box 10, a plurality of groups of heat sinks 30 are respectively penetrated through two adjacent groups of channels 20, so as to increase the heat dissipation area of ​​the exhaust gas in the channels 20 and the turbulence of the exhaust gas in the channels 20, the air is introduced through the upper opening of the box 10, and the lower opening of the box 10 is discharged, so as to cool the heat sink 30. The material of the heat sink 30 can be aluminum alloy, copper, copper alloy, stainless steel and titanium alloy.

[0026] like Figure 3 , Figure 4 As shown, in this embodiment, specifically, the width of the channel 20 is 5-10 mm; the distance between every two adjacent channels 20 is 7.5-15 mm.

[0027] like Figure 5 , Figure 6 As shown, in this embodiment, the plurality of channels 20 are arranged to be S-shaped curves, so as to increase the heat dissipation area of ​​the S-shaped curve channels 20 and the turbulence of the gas inside the channels 20 .

[0028] The exhaust gas of the fuel cell enters the S-shaped curve channel 20 through the front opening of the box body 10 , and the heat sink 30 disturbs and cools the exhaust gas of the fuel cell in the S-shaped curve channel 20 .

[0029] Air is introduced from the upper opening of the box body 10 and discharged from the lower opening of the box body 10 to cool the heat sink 30 and dissipate heat, thereby cooling the exhaust gas of the fuel cell in the channel 20. In this embodiment, the air is room temperature air or cold air.

[0030] By providing a plurality of S-shaped channels 20 and a plurality of heat sinks 30, the heat dissipation area of ​​the fuel cell exhaust gas in the channels 20 and the turbulence of the gas inside the channels 20 are increased, thereby improving the heat dissipation efficiency of the condenser for the fuel cell exhaust gas.

[0031] like Figure 4 , Figure 5 , Figure 6 As shown, further, the plurality of channels 20 are arranged at equal intervals. The plurality of groups of heat sinks 30 are arranged at equal intervals in two adjacent channels 20, the thickness of the heat sink 30 is 0.35-0.5 mm, and the interval between the heat sinks 30 is 3.5-5 mm.

[0032] like Figure 3 , Figure 4 , Figure 5 As shown, in this embodiment, the top and bottom of the channel 20 are both set to have a rhombus angle of 60 to 90 degrees. The top and bottom of the channel 20 are designed with rhombus angles to achieve support-free printing.

[0033] like Figure 5 As shown, in this embodiment, further, a diamond-shaped hole is provided on the heat sink 30 to increase the heat dissipation area between the heat sink 30 and the cold air. The provision of the diamond-shaped hole increases the heat dissipation area between the heat sink 30 and the air.

[0034] In this embodiment, specifically, the rhombus angle of the rhombus holes is 60 to 90 degrees.

[0035] In this embodiment, further, the width of the diamond hole on the heat sink 30 is 2.5-5 mm, and the height of the straight section of the diamond hole is 3.75-7.5 mm. The heat sink 30 is provided with a plurality of diamond holes at equal intervals in the vertical direction, and the interval between each two diamond holes is 5-10 mm.

[0036] The fuel cell exhaust gas enters the S-shaped curve channel 20 through the front end opening of the box body 10, and the heat sink 30 turbulently and cools the fuel cell exhaust gas in the S-shaped curve channel 20; the air is introduced through the upper opening of the box body 10, and the air is discharged through the lower opening of the box body 10. The air cools the heat sink 30 and dissipates heat to cool the fuel cell exhaust gas in the channel 20.

[0037] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A metal 3D printed condenser heat dissipation structure, It is characterized in that It includes a box body, multiple channels and multiple groups of heat sinks. The front end, rear end, upper part and lower part of the box body are provided with openings connected to the interior of the box body. Multiple channels are arranged in the box body, and the two ends of the channels are respectively located at the openings at the front end and rear end of the box body. The channels are used for the passage of exhaust gas from fuel cells. Multiple groups of heat sinks are respectively passed through two adjacent groups of channels to increase the heat dissipation area of ​​the exhaust gas in the channels and the turbulence of the exhaust gas in the channels. The air is introduced through the upper opening of the box body and discharged through the lower opening of the box body to cool the heat sink.

2. A metal 3D printed condenser heat dissipation structure according to claim 1, Features: The plurality of channels are all arranged in an S-shaped curve so as to increase the heat dissipation area of ​​the S-shaped curve channel and the turbulence of the gas inside the channel.

3. A metal 3D printed condenser heat dissipation structure according to claim 2, Features: The top and bottom of the channel are both set to have diamond-shaped sharp angles of 60 to 90 degrees.

4. A metal 3D printed condenser heat dissipation structure according to claim 1, Features: The heat sink is provided with diamond-shaped holes to increase the heat dissipation area between the heat sink and the cold air.

5. A metal 3D printed condenser heat dissipation structure according to claim 4, Features: The rhombus angle of the rhombus hole is 60-90 degrees.

6. A metal 3D printed condenser heat dissipation structure according to claim 2, Features: The plurality of channels are arranged at equal intervals.

7. A metal 3D printed condenser heat dissipation structure according to claim 6, Features: A plurality of groups of heat sinks are arranged at equal intervals in two adjacent channels, the thickness of the heat sinks is 0.35-0.5 mm, and the spacing between the heat sinks is 3.5-5 mm.

8. The metal 3D printed condenser heat dissipation structure according to claim 1, Features: The width of the channel is 5-10 mm; the distance between every two adjacent channels is 7.5-15 mm.

9. The metal 3D printed condenser heat dissipation structure according to claim 5, Features: The width of the diamond-shaped holes on the heat sink is 2.5-5 mm, and the height of the straight section of the diamond-shaped holes is 3.75-7.5 mm.

10. A metal 3D printed condenser heat dissipation structure according to claim 9, Features: A plurality of diamond-shaped holes are arranged on the heat sink at equal intervals in the vertical direction, and the interval between every two diamond-shaped holes is 5 to 10 mm.

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