Air compressor for underground coal mine

Abstract

The utility model relates to an air compressor, in particular to an air compressor for an underground coal mine. An air compressor for an underground coal mine comprises an air compressor body and a water cooling device. The water cooling device comprises a water cooling pipe, a cooling fin, a fan, a water storage barrel and a water pump, the water cooling pipe is coiled on the outer wall of the air compressor body and extends towards the outside of the air compressor body, the outer wall of the water cooling pipe abuts against the cooling fin, the outside of the cooling fin is detachably connected with the fan, and a water outlet of the water cooling pipe communicates with a water inlet of the water storage barrel. A water outlet of the water storage barrel communicates with a water inlet of the water pump through a connecting pipe, and a water outlet of the water pump communicates with a water inlet of the water cooling pipe. An air compressor for an underground coal mine solves the technical problems that an existing air compressor is difficult in heat dissipation and prone to causing faults.

Description

Technical Field

[0001] This utility model relates to an air compressor, specifically an air compressor for use in underground coal mines. Background Technology

[0002] The water channels of the IGBT water-cooled heat exchanger used in existing air compressors are arranged in a Z-shape, which is not conducive to heat exchange of cooling water and may cause the IGBT to overheat. At the same time, because some air cannot be discharged from the water channels, cavitation will occur after long-term use, causing damage to the equipment. Utility Model Content

[0003] The main purpose of this utility model is to provide an air compressor for underground coal mines, which solves the technical problem that the water-cooled heat exchanger of existing air compressors is prone to failure.

[0004] To achieve the above objectives, this utility model provides an air compressor for use in underground coal mines, including an air compressor body and a water cooling device;

[0005] The water-cooling device includes water-cooling pipes, heat sinks, a fan, a water tank, and a water pump. The water-cooling pipes are coiled on the outer wall of the air compressor body and extend outward from the air compressor body. The outer wall of the water-cooling pipes abuts against the heat sinks. The outside of the heat sinks is detachably connected to the fan. The outlet of the water-cooling pipes is connected to the inlet of the water tank. The outlet of the water tank is connected to the inlet of the water pump through a connecting pipe. The outlet of the water pump is connected to the inlet of the water-cooling pipes.

[0006] As a preferred embodiment, the water-cooled pipe includes a horizontal pipe and a first serpentine pipe. Both the horizontal pipe and the first serpentine pipe are fixedly connected to the outer wall of the air compressor body. One end of the horizontal pipe is connected to the first serpentine pipe, and the other end of the horizontal pipe is connected to the water pump. The horizontal pipe is located at the top of the first serpentine pipe.

[0007] As a preferred option, the water cooling pipe also includes a second serpentine tube, which is coiled inside the heat sink.

[0008] As a preferred embodiment, the heat sink includes a first heat sink and a second heat sink;

[0009] The first heat sink has a first groove, and a first mounting plate is fixedly connected to the side wall of the first heat sink.

[0010] The second heat sink has a second groove, and a second mounting plate is fixedly connected to the side wall of the second heat sink.

[0011] The first groove is directly opposite the second groove. The bottom of the first groove and the bottom of the second groove both abut against the second serpentine tube. The first mounting plate and the second mounting plate are connected by bolts.

[0012] As a preferred embodiment, the fan is located on the outside of the second heat sink, and a through hole is provided on the outer edge of the fan. A bolt is inserted into the through hole, and the fan, the first heat sink, and the second heat sink are connected by bolts.

[0013] The beneficial effects achieved by this utility model are as follows:

[0014] This utility model adds a water cooling device to the outside of the air compressor housing, which can better cool the air compressor and prevent the air compressor from malfunctioning.

[0015] The heat sink consists of a first heat sink plate and a second heat sink plate. The first heat sink plate and the second heat sink plate are detachably connected, which makes it easier to install the heat sink plate. The water cooling pipe is placed between the first heat sink plate and the second heat sink plate, which enables the water cooling pipe to dissipate heat better.

[0016] The first heat sink, the second heat sink, and the fan are connected by the same extended bolt, allowing them to be connected as a single unit without separate steps, making installation more convenient. Attached Figure Description

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0018] Figure 1 This is a front view of an air compressor for underground coal mines disclosed in a specific embodiment of this utility model;

[0019] Figure 2 This is a schematic diagram of an air compressor for underground coal mines disclosed in a specific embodiment of this utility model;

[0020] Figure 3 yes Figure 2 Enlarged view of part A;

[0021] Figure 4 yes Figure 2 Enlarged view of part B;

[0022] Figure 5 This is another schematic diagram of an air compressor for underground coal mines disclosed in a specific embodiment of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Compressor body; 2. Water cooling device; 21. Water cooling pipe; 211. Horizontal pipe; 212. First serpentine pipe; 2121. Small hole; 213. Second serpentine pipe; 22. Heat sink; 221. First heat sink plate; 2211. First groove; 2212. First mounting plate; 222. Second heat sink plate; 2221. Second groove; 2222. Second mounting plate; 23. Fan; 24. Water tank; 25. Water pump; 26. Connecting pipe; 27. Bolt. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] like Figures 1-5 As shown, this utility model discloses an air compressor for use in coal mines, including an air compressor body 1 and a water cooling device 2, which is used to dissipate heat from the air compressor body 1. Specifically, the water cooling device 2 includes a water cooling pipe 21, a heat sink 22, a fan 23, a water storage tank 24, and a water pump 25.

[0027] The water-cooled pipe 21 includes a horizontal pipe 211, a first serpentine pipe 212, and a second serpentine pipe 213. Both the horizontal pipe 211 and the first serpentine pipe 212 are fixedly connected to the outer casing of the air compressor body 1, and the horizontal pipe 211 and the first serpentine pipe 212 are in communication. Figure 1 As shown, the horizontal tube 211 is positioned above the first serpentine tube 212. The first serpentine tube 212 is connected to the second serpentine tube 213. The second serpentine tube 213 extends to the outside of the air compressor body 1, and the outer wall of the second serpentine tube 213 abuts against the heat sink 22.

[0028] The heat sink 22 includes a first heat sink 221 and a second heat sink 222, which respectively wrap around the two ends of the outer wall of the second serpentine tube 213. Specifically, the first heat sink 221 has a first groove 2211 in the middle, and multiple first mounting plates 2212 are fixedly connected to the edge of the side wall of the first heat sink 221. The second heat sink 222 has the same structure as the first heat sink 221, with a second groove 2221 in the middle, and multiple second mounting plates 2222 are fixedly connected to the edge of the side wall of the second heat sink 222. The number of second mounting plates 2222 is the same as the number of first mounting plates 2212, and their positions correspond. In use, the first groove 2211 is aligned with the second groove 2221, the second serpentine tube 213 is installed between the first groove 2211 and the second groove 2221, and then the bolt 27 is passed through the first mounting plate 2212 and the second mounting plate 2222, the nut is tightened, and the first mounting plate 2212 and the second mounting plate 2222 are connected as a whole.

[0029] like Figure 5As shown, the fan 23 is located on the outside of the second heat sink 222. As a connection method for the fan 23, a through hole for accommodating the bolt 27 is provided on the outer edge of the fan 23. In use, the bolt 27 is passed through the through hole, the second mounting plate 2222, and the first mounting plate 2212 in sequence, and then the bolt 27 is fixed with a nut. At this time, the head of the bolt 27 abuts against the outer edge of the fan 23, and the nut abuts against the first mounting plate 2212, thereby realizing that the fan 23, the second heat sink 222, and the first heat sink 221 are connected into a whole by a single bolt 27 at one connection point.

[0030] One end of the second serpentine tube 213 serves as the outlet of the water-cooling tube 21 and is connected to the inlet of the water storage tank 24. The outlet of the water storage tank 24 is connected to the inlet of the water pump 25 through the connecting pipe 26, and the outlet of the water pump 25 is connected to the inlet of the horizontal tube 211.

[0031] In use, the water pump 25 and fan 23 are started, and water flows out from the water tank 24. The water flows sequentially through the connecting pipe 26, the water pump 25, the horizontal pipe 211, the first serpentine pipe 212, and the second serpentine pipe 213, and finally flows back to the water tank 24. The water in the horizontal pipe 211 and the first serpentine pipe 212 absorbs the heat from the air compressor body 1. Then the hot water flows through the second serpentine pipe 213, and the fan 23 rotates, thereby cooling the heat sink 22, which in turn cools the water.

[0032] It should be noted that all of the above pipes must be connected in a sealed manner.

[0033] In order to prevent air from being trapped inside the water-cooling tube 21 and causing blockage and cavitation, a small hole 2121 can be opened at the highest point of the first serpentine tube 212. The small hole 2121 can be connected to the exhaust pipe (not shown in the figure), so that the air in the water channel can be discharged from the small hole 2121 without affecting the normal water flow.

[0034] Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

Claims

1. An air compressor for underground coal mines, characterized in that, It includes an air compressor body (1) and a water cooling device (2); The water cooling device (2) includes a water cooling pipe (21), a heat sink (22), a fan (23), a water storage tank (24), and a water pump (25). The water cooling pipe (21) is coiled on the outer wall of the air compressor body (1). The water cooling pipe (21) extends to the outside of the air compressor body (1). The outer wall of the water cooling pipe (21) abuts against the heat sink (22). The outside of the heat sink (22) is detachably connected to the fan (23). The outlet of the water cooling pipe (21) is connected to the inlet of the water storage tank (24). The outlet of the water storage tank (24) is connected to the inlet of the water pump (25) through a connecting pipe (26). The outlet of the water pump (25) is connected to the inlet of the water cooling pipe (21).

2. The air compressor for underground coal mines according to claim 1, characterized in that, The water-cooled pipe (21) includes a horizontal pipe (211) and a first serpentine pipe (212). Both the horizontal pipe (211) and the first serpentine pipe (212) are fixedly connected to the outer wall of the air compressor body (1). One end of the horizontal pipe (211) is connected to the first serpentine pipe (212), and the other end of the horizontal pipe (211) is connected to the water pump (25). The horizontal pipe (211) is located at the top of the first serpentine pipe (212).

3. The air compressor for underground coal mines according to claim 2, characterized in that, The water-cooling pipe (21) also includes a second serpentine pipe (213), which is coiled inside the heat sink (22).

4. An air compressor for underground coal mines according to claim 3, characterized in that, The heat sink (22) includes a first heat sink (221) and a second heat sink (222); The first heat sink (221) has a first groove (2211), and a first mounting plate (2212) is fixedly connected to the side wall of the first heat sink (221). The second heat sink (222) has a second groove (2221), and a second mounting plate (2222) is fixedly connected to the side wall of the second heat sink (222). The first groove (2211) is directly opposite the second groove (2221). The bottom of the first groove (2211) and the bottom of the second groove (2221) are both in contact with the second serpentine tube (213). The first mounting plate (2212) and the second mounting plate (2222) are connected by bolts (27).

5. An air compressor for underground coal mines according to claim 4, characterized in that, The fan (23) is located on the outside of the second heat sink (222). The outer edge of the fan (23) has a through hole, and the bolt (27) is inserted into the through hole. The fan (23), the first heat sink (221) and the second heat sink (222) are connected by the bolt (27).

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