External installation type explosion-proof water-cooling heat dissipation device

Abstract

The utility model belongs to the technical field of mining water-cooling heat dissipation, and particularly relates to an external installation type explosion-proof water-cooling heat dissipation device which comprises a flange plate and a heat dissipation body, the middle of the flange plate is of a groove structure, the flange plate is arranged outside an explosion-proof cavity, and the flange plate is fixedly connected with the explosion-proof cavity through bolts to form a closed explosion-proof space. The radiator comprises a substrate, a water channel is arranged in the substrate, a water inlet and a water outlet are formed in the substrate, and the water inlet and the water outlet are communicated with the water channel; the base plate is fixedly connected in the groove structure of the flange plate, and the base plate is not in contact with the inner wall of the explosion-proof cavity; and the substrate is fixedly connected with the heating power device. The water-cooling radiator has the advantages of reasonable structure, heat dissipation in a water-cooling mode and improvement of heat dissipation efficiency. The heat dissipation body is fixed in the explosion-proof cavity through the flange plate, so that high-heat-conduction materials under the non-explosion-proof condition can be applied to the heat dissipation device, the explosion-proof requirement is met, cost is reduced, and efficient heat dissipation can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mine water cooling and heat dissipation, especially relates to a kind of outer installation type explosion-proof water cooling heat sink for various power electronic power devices of underground mine. BACKGROUND

[0002] With the development of power electronics technology, the heat generated by the power electronic power modules used in various mine underground frequency converters and rectifiers is increasing, which requires water cooling for heat dissipation. According to the explosion-proof requirements, some metal materials with good thermal conductivity containing aluminum, magnesium and other elements are not allowed to be exposed to the air in the roadway outside the explosion-proof cavity. The conventional explosion-proof water cooling heat sink can only use iron plate and copper plate. The water cooling heat sink made of iron material has low thermal conductivity, which affects the heat dissipation efficiency. Due to the significant increase in copper prices in recent years, the production cost of copper water cooling heat sink is very high. Therefore, under the premise of not affecting the heat dissipation effect, it is necessary to reduce the use of copper as much as possible. SUMMARY

[0003] To overcome the shortcomings of the prior art, the utility model aims to provide an outer installation type explosion-proof water cooling heat sink, which can apply high-thermal-conductivity materials under non-explosion-proof conditions to the heat sink, meet the explosion-proof requirements, reduce costs and achieve efficient heat dissipation.

[0004] To achieve the above-mentioned purpose, the utility model realizes the following technical solutions:

[0005] An outer installation type explosion-proof water cooling heat sink includes a flange plate and a heat sink. The flange plate has a groove structure in the middle. The flange plate is located outside the explosion-proof cavity and is fixedly connected to the explosion-proof cavity by bolts to form a closed explosion-proof space.

[0006] The heat sink includes a base plate with a water channel. The base plate has a water inlet and a water outlet that are connected to the water channel. The base plate is fixedly connected to the groove structure of the flange plate and does not contact the inner wall of the explosion-proof cavity. The base plate is fixedly connected to the heat-generating power device.

[0007] The flange plate is fixedly connected to a water port flange. The water inlet and the water outlet pass through the flange plate and the water port flange to connect to the external waterway.

[0008] The water inlet and the water outlet are tightly fitted with the water port flange.

[0009] The water inlet and the water outlet are made of metal pipe materials that meet the explosion-proof requirements.

[0010] The flange plate is made of metal plate materials that meet the explosion-proof requirements.

[0011] The flange plate is provided with countersunk holes around its perimeter, and the flange plate is fixedly connected to the explosion-proof cavity through the countersunk holes and bolts.

[0012] The substrate is provided with a heat sink mounting thread blind hole and a water inlet flange mounting thread blind hole.

[0013] The substrate is made of aluminum plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] The externally mounted explosion-proof water-cooled heat dissipation device features a reasonable structure and utilizes water cooling to improve heat dissipation efficiency. It employs bolted connections, meeting explosion-proof requirements while facilitating maintenance and installation of high-power components. Flange plates secure the heat sink within the explosion-proof cavity, allowing the use of high thermal conductivity materials in non-explosion-proof applications, thus meeting explosion-proof requirements while reducing costs and achieving efficient heat dissipation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the flange plate structure.

[0018] Figure 3 This is a schematic diagram of the heat sink.

[0019] Figure 4 This is a structural diagram of the sprue flange.

[0020] Figure 5 This is a schematic diagram of the connection structure between the nozzle flange and the flange plate and base plate.

[0021] In the diagram: 1. Explosion-proof cavity; 2. Flange plate; 3. Base plate; 4. Sprue; 5. Sprue flange; 6. Heating power device; 7. Bolt; 8. Heat sink mounting countersunk hole; 9. Heat sink mounting threaded blind hole; 10. Sprue flange mounting threaded blind hole; 11. Cavity mounting countersunk hole; 12. Water channel; 13. Flange plate mounting blind hole; 14. Flange plate mounting countersunk hole; 15. Through hole; 16. Countersunk hole. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings. However, it should be noted that the implementation of the present invention is not limited to the following embodiments.

[0023] See Figures 1-5The application discloses an external installation type explosion-proof water cooling heat dissipation device, which comprises a flange plate 2 and a heat dissipation body.

[0024] The heat dissipation body comprises a base plate 3, the base plate 3 is internally provided with a water channel 12, the base plate 3 is provided with a water inlet 4 and a water outlet 4, the water inlet 4 and the water outlet 4 are communicated with the water channel 12, the base plate 3 is fixedly connected in the groove structure of the flange plate 2 through bolts 7, the base plate 3 is wrapped by the flange plate 2 on five sides, and the base plate 3 is completely present in the explosion-proof cavity and does not contact the inner wall of the explosion-proof cavity 1 and the air outside the cavity, so that the explosion-proof requirement is met. The other side of the base plate 3 is provided with a heat power device 6. The base plate 3 is provided with a flange plate mounting blind hole 13 and a flange plate mounting counterbore 14.

[0025] The water inlet 4 and the water outlet 4 are made of copper pipes or other pipe materials meeting the explosion-proof requirement, pass through the through hole of the flange plate 2 and the water inlet flange 5, and are connected with external water channels. The water inlet flange 5 is tightly matched with the water outlet 4, the gap is smaller than the explosion-proof gap requirement, and sufficient matching length is reserved to guarantee the explosion-proof distance, so that the explosion-proof requirement of isolating electric sparks is met. The water inlet flange 5 is of a T-shaped structure, and the contact surface for installation of the flange plate 2 also has sufficient contact area, so that the explosion-proof distance requirement is met.

[0026] The flange plate 2 is made of a steel plate or other plate materials meeting the explosion-proof requirement, the flange plate 2 is connected with the explosion-proof cavity 1 through screws on the periphery end surface, and the contact surface meets the explosion-proof requirement.

[0027] The depth of the groove structure in the flange plate 2 is the same as the thickness of the base plate 3, the flange plate 2 is provided with cavity mounting counterbores 11 on the periphery for connecting the explosion-proof cavity 1. The groove structure is provided with heat dissipation body mounting threaded blind holes 9 for connecting the base plate 3. The flange plate 2 is provided with heat dissipation body mounting counterbores 8 for connecting the base plate 3. The flange plate 2 is provided with through holes for connecting the water inlets 4, and the through holes are provided with water inlet flange mounting threaded blind holes 10 for connecting the water inlet flanges 5.

[0028] The base plate 3 is made of an aluminum plate and is a material not meeting the explosion-proof requirement. The water channel 12 can be composed of multiple pipe materials welded together or directly processed into a concave water channel groove on the base plate 3. The pipe materials can be copper pipes, stainless steel pipes and the like. The base plate 3 is provided with a pipeline welding groove or a water channel groove.

[0029] The water gap 4 is made of metal pipe material meeting the requirement of explosion isolation, such as copper pipe or stainless steel pipe. One end of the water gap 4 is welded to the interface of the pipe in the base plate 3 or the slot interface of the water channel 12 of the base plate 3 to form a complete water channel, and the other end is tightly matched with the water gap flange 5 through the flange plate 2 to meet the requirement of explosion isolation gap.

[0030] The water gap flange 5 is made of iron or stainless steel and other materials meeting the requirement of explosion isolation. The water gap flange 5 is provided with a through hole 15 tightly matched with the water gap 4 to meet the requirement of explosion isolation gap. The water gap flange 5 is provided with a counter bore 16 around the periphery matched with the flange plate 2 for fastening connection with the flange plate 2 at the corresponding position through the bolt 7. The shape of the water gap flange 5 can be circular, square or other geometric shapes according to the actual structure.

[0031] The utility model discloses a reasonable structure, adopts water cooling mode heat dissipation, improves heat dissipation efficiency. The bolt 7 fixed connection of outer installation type explosion isolation water cooling heat dissipation device meets the requirement of explosion isolation and is convenient for maintenance, and also is convenient for the installation of the heating power device 6. The flange plate 2 is used for fixing the heat sink in the explosion isolation cavity 1, so that the high-thermal-conductivity material under non-explosion isolation condition can be applied to the heat dissipation device, the requirement of explosion isolation is met, and the cost is reduced and the heat dissipation is efficient.

[0032] Through the above specific embodiment, the person skilled in the art can easily realize the utility model. However, it should be understood that the utility model is not limited to the above specific embodiment. On the basis of the disclosed embodiment, the person skilled in the art can arbitrarily combine different technical features to realize different technical schemes. Limited by the length and for the sake of simplicity of the specification, each scheme formed by the combination is not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An externally mounted explosion-proof water-cooled heat dissipation device, characterized in that, The flange plate is arranged outside the explosion-proof cavity, and the flange plate is fixedly connected with the explosion-proof cavity through bolts to form a closed explosion-proof space. The heat sink includes a base plate, a water channel is arranged in the base plate, a water inlet and a water outlet are arranged on the base plate and are communicated with the water channel, the base plate is fixedly connected in the groove structure of the flange plate and does not contact the inner wall of the explosion-proof cavity, and the base plate is fixedly connected with the heat generating power device.

2. The external installation type explosion-proof water-cooling heat dissipation device according to claim 1, characterized in that, The flange plate is fixedly connected with a water port flange, and the water inlet and the water outlet are connected with external water pipes through the flange plate and the water port flange.

3. The external installation type explosion-proof water-cooling heat dissipation device according to claim 2, characterized in that, The water inlet and the water outlet are tightly matched with the water port flange.

4. The external installation type explosion-proof water-cooling heat dissipation device according to claim 1, characterized in that, The water inlet and the water outlet are made of metal pipes meeting the explosion-proof requirements.

5. The external installation type explosion-proof water-cooling heat dissipation device according to claim 1, characterized in that, The flange plate is made of metal plates meeting the explosion-proof requirements.

6. The external installation type explosion-proof water-cooling heat dissipation device according to claim 1, characterized in that, The flange plate is provided with a counterbore around the flange plate, and the flange plate is fixedly connected with the explosion-proof cavity through the counterbore and bolts.

7. The external installation type explosion-proof water-cooling heat dissipation device according to claim 1, characterized in that, The base plate is provided with a heat sink mounting threaded blind hole and a water port flange mounting threaded blind hole.

8. The external installation type explosion-proof water-cooling heat dissipation device according to claim 1, characterized in that, The base plate is made of an aluminum plate.

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