Explosion-proof control cabinet capable of cooling

Abstract

The utility model discloses an explosion-proof control cabinet capable of cooling, relates to the field of control cabinets, and aims to solve the technical problems that most of the existing explosion-proof control cabinets in the prior art adopt a fan ventilation mode for cooling, but when more components are installed in the explosion-proof control cabinets, the temperature of the explosion-proof control cabinets is too high. And uniform heat dissipation of each component in the explosion-proof control cabinet is difficult by adopting a fan for cooling. A refrigerating device is fixedly arranged at the rear end of the middle of the upper end of the anti-explosion control cabinet, a plurality of first heat conduction mounting plates are fixedly arranged in the anti-explosion control cabinet at equal intervals, and a second heat conduction mounting plate is fixedly arranged on the lower end face in the anti-explosion control cabinet. Cooling water flowing grooves distributed in an S shape are formed in the first heat conduction mounting plate and the second heat conduction mounting plate correspondingly, the rear end of the lower end face of the first heat conduction mounting plate is connected with a cross-flow fan, and the lower end of the first heat conduction mounting plate is fixedly connected with a plurality of heat exchange pieces at equal intervals.

Description

Technical Field

[0001] The utility model relates to the field of control cabinets, in particular to an explosion-proof control cabinet capable of cooling. Background Art

[0002] The control cabinet is a device that assembles switchgear, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the requirements of electrical wiring. Its layout should meet the requirements of normal operation of the power system, facilitate maintenance, and not endanger the safety of people and surrounding equipment. In normal operation, the circuit can be connected or disconnected with the help of manual or automatic switches. In case of failure or abnormal operation, the circuit can be cut off or alarmed with the help of protective electrical appliances. Various parameters in operation can be displayed by measuring instruments, and some electrical parameters can also be adjusted, and prompts or signals can be issued for deviations from normal working conditions. It is often used in various power generation, distribution and substations.

[0003] Most of the existing explosion-proof control cabinet cooling methods use fan ventilation to cool down, but when there are many components installed inside the explosion-proof control cabinet, it is difficult to use fans to cool down the components inside the explosion-proof control cabinet evenly; therefore, the market urgently needs to develop a cooling explosion-proof control cabinet to help people solve the existing problems. Utility Model Content

[0004] The purpose of the utility model is to provide an explosion-proof control cabinet that can be cooled, so as to solve the problem that the existing explosion-proof control cabinet cooling method proposed in the above background technology mostly adopts fan ventilation to cool down, but when there are many components installed inside the explosion-proof control cabinet, it is difficult to evenly dissipate heat among the components inside the explosion-proof control cabinet by using the fan cooling method.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kind of explosion-proof control cabinet with cooling function, including an explosion-proof control cabinet, a cooling water supply pipe is arranged on one side of the rear end surface inside the explosion-proof control cabinet, a cooling water return pipe is arranged on the other side of the rear end surface inside the explosion-proof control cabinet, a refrigeration device is fixedly arranged on the rear end of the middle part of the upper end of the explosion-proof control cabinet, a plurality of first heat-conducting mounting plates are fixedly arranged at equal intervals inside the explosion-proof control cabinet, a second heat-conducting mounting plate is fixedly arranged on the lower end surface inside the explosion-proof control cabinet, cooling water flow grooves arranged in an S shape are arranged inside the first heat-conducting mounting plate and the second heat-conducting mounting plate, a cross-flow fan is connected to the rear end of the lower end surface of the first heat-conducting mounting plate, and a plurality of heat exchange plates are fixedly connected to the lower end of the first heat-conducting mounting plate at equal intervals.

[0006] Preferably, the upper end of the cooling water supply pipe extends out of the upper end surface of the explosion-proof control cabinet and is fixedly connected to one side of the refrigeration device, and the upper end of the cooling water return pipe extends out of the upper end surface of the explosion-proof control cabinet and is fixedly connected to the other side of the refrigeration device. The cooling water supply pipe and the cooling water return pipe are both sealed with an insulation layer after passing through the upper end surface of the explosion-proof control cabinet.

[0007] Preferably, the lower end of the cooling water supply pipe and the lower end of the cooling water return pipe are both fixedly connected to the upper end surface of the second heat-conducting mounting plate after passing through a plurality of first heat-conducting mounting plates.

[0008] Preferably, one side of each cooling water flow groove is connected to the cooling water supply pipe, and the other side of each cooling water flow groove is connected to the cooling water return pipe.

[0009] Preferably, two T-shaped limit portions are fixedly connected to both sides of the rear end of the lower end surface of the first heat-conducting mounting plate, a connecting piece is fixedly connected to the upper end of the crossflow fan, two T-shaped limit slots are arranged on both sides of the upper end surface of the connecting piece, and a rectangular slot is arranged between the rear end of each T-shaped limit slot and the upper end surface of the connecting piece.

[0010] Preferably, the lower end of the T-shaped limiting portion on the first heat-conducting mounting plate is inserted along the rectangular slot and slides forward into the interior of the T-shaped limiting sliding slot.

[0011] Preferably, a plurality of heat-conducting strips are fixedly connected to the upper end of each of the heat exchange plates, and the upper ends of the heat-conducting strips extend through the lower end surface of the first heat-conducting mounting plate to the interior of the cooling water flow groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, through the setting of cooling water flow grooves, the first heat-conducting mounting plate and the second heat-conducting mounting plate are both provided with S-shaped cooling water flow grooves, one side of each cooling water flow groove is connected with a cooling water supply pipe, and the other side of each cooling water flow groove is connected with a cooling water return pipe, cooling water is transported to the cooling water flow grooves through the cooling water supply pipe, and the cooling water flows through the cooling water flow grooves and enters the cooling water return pipe, and the first heat-conducting mounting plate and the second heat-conducting mounting plate are cooled by the cooling water, so that the components installed on the first heat-conducting mounting plate and the second heat-conducting mounting plate are cooled at the same time.

[0014] 2. In the utility model, through the arrangement of heat exchange plates, a plurality of heat exchange plates are fixedly connected at equal intervals to the lower end of the first heat-conducting mounting plate, a plurality of heat-conducting strips are fixedly connected to the upper end of each heat-exchange plate, and the upper end of the heat-conducting strip passes through the lower end surface of the first heat-conducting mounting plate and extends to the inside of the cooling water flow groove. The heat-conducting strips are heat-exchanged by cooling water, so that the cooling water cools the heat exchange plates. The air inside the explosion-proof control cabinet is sucked in through the air inlet at the lower end of the cross-flow fan and is sent out through the air outlet at the front end of the cross-flow fan. The sent air is cooled by the heat exchange plates, so that the air inside the explosion-proof control cabinet is cooled first, thereby improving the cooling efficiency.

[0015] 3. In the utility model, through the setting of the connecting piece, the upper end of the crossflow fan is fixedly connected with the connecting piece, and two T-shaped limit slide grooves are arranged on both sides of the upper end surface of the connecting piece, and a rectangular groove is arranged between the rear end of each T-shaped limit slide groove and the upper end surface of the connecting piece. The lower end of the T-shaped limit part on the first heat-conducting mounting plate is inserted along the rectangular groove and slides forward into the inside of the T-shaped limit slide groove, so that the crossflow fan is fixed at the rear end of the lower end of the first heat-conducting mounting plate and is easy to disassemble and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of a temperature-reducing explosion-proof control cabinet of the utility model;

[0017] Figure 2 It is a side sectional view of the utility model;

[0018] Figure 3 It is a top sectional view of the utility model;

[0019] Figure 4 It is an enlarged view of part A of the present utility model.

[0020] In the figure: 1. explosion-proof control cabinet; 101. cooling water supply pipe; 102. cooling water return pipe; 103. thermal insulation layer; 104. refrigeration device; 2. first heat-conducting mounting plate; 201. second heat-conducting mounting plate; 202. cooling water flow groove; 203. T-shaped limit part; 3. cross-flow fan; 4. connecting piece; 401. T-shaped limit slide groove; 402. rectangular slot; 5. heat exchange plate; 501. thermal conductive strip. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4The utility model provides an embodiment: a temperature-reducing explosion-proof control cabinet, comprising an explosion-proof control cabinet 1, a cooling water supply pipe 101 is arranged on one side of the rear end surface inside the explosion-proof control cabinet 1, a cooling water return pipe 102 is arranged on the other side of the rear end surface inside the explosion-proof control cabinet 1, a refrigeration device 104 is fixedly arranged at the rear end of the middle part of the upper end of the explosion-proof control cabinet 1, a plurality of first heat-conducting mounting plates 2 are fixedly arranged at equal intervals inside the explosion-proof control cabinet 1, a second heat-conducting mounting plate 201 is fixedly arranged on the lower end surface inside the explosion-proof control cabinet 1, and cooling water flow grooves 202 arranged in an S shape are arranged inside the first heat-conducting mounting plate 2 and the second heat-conducting mounting plate 201, a cross-flow fan 3 is connected to the rear end of the lower end surface of the first heat-conducting mounting plate 2, and a plurality of heat exchange plates 5 are fixedly connected to the lower end of the first heat-conducting mounting plate 2 at equal intervals.

[0023] Furthermore, the upper end of the cooling water supply pipe 101 extends out of the upper end surface of the explosion-proof control cabinet 1 and is fixedly connected to one side of the refrigeration device 104, and the upper end of the cooling water return pipe 102 extends out of the upper end surface of the explosion-proof control cabinet 1 and is fixedly connected to the other side of the refrigeration device 104. After passing through the upper end surface of the explosion-proof control cabinet 1, the cooling water supply pipe 101 and the cooling water return pipe 102 are both enclosed by the insulation layer 103, and the circulating cooling water is cooled by the refrigeration device 104.

[0024] Furthermore, the lower ends of the cooling water supply pipe 101 and the cooling water return pipe 102 pass through a plurality of first heat-conducting mounting plates 2 and are fixedly connected to the upper end surface of the second heat-conducting mounting plate 201 .

[0025] Furthermore, one side of each cooling water flow groove 202 is connected to the cooling water supply pipe 101, and the other side of each cooling water flow groove 202 is connected to the cooling water return pipe 102. Cooling water is transported to the cooling water flow groove 202 through the cooling water supply pipe 101. The cooling water flows through the cooling water flow groove 202 and enters the cooling water return pipe 102. The first heat-conducting mounting plate 2 and the second heat-conducting mounting plate 201 are cooled by the cooling water, so that the components installed on the first heat-conducting mounting plate 2 and the second heat-conducting mounting plate 201 are cooled at the same time.

[0026] Furthermore, two T-shaped limit portions 203 are fixedly connected to both sides of the rear end of the lower end surface of the first heat-conducting mounting plate 2, a connecting piece 4 is fixedly connected to the upper end of the cross-flow fan 3, two T-shaped limit slots 401 are arranged on both sides of the upper end surface of the connecting piece 4, and a rectangular slot 402 is arranged between the rear end of each T-shaped limit slot 401 and the upper end surface of the connecting piece 4.

[0027] Furthermore, the lower end of the T-shaped limit portion 203 on the first heat-conducting mounting plate 2 is inserted along the rectangular slot 402 and slides forward into the T-shaped limit slot 401, so that the cross-flow fan 3 is fixed at the rear end of the lower end of the first heat-conducting mounting plate 2 and is easy to disassemble and repair.

[0028] Furthermore, a plurality of heat-conducting strips 501 are fixedly connected to the upper end of each heat exchange plate 5. The upper end of the heat-conducting strip 501 passes through the lower end surface of the first heat-conducting mounting plate 2 and extends to the inside of the cooling water flow groove 202. The heat-conducting strip 501 is heat-exchanged by the cooling water, so that the cooling water cools the heat exchange plate 5. The air inside the explosion-proof control cabinet 1 is sucked in through the air inlet at the lower end of the cross-flow fan 3 and is sent out through the front air outlet of the cross-flow fan 3. The sent air is cooled by the heat exchange plate 5, so that the air inside the explosion-proof control cabinet 1 is cooled first, thereby improving the cooling efficiency.

[0029] Working principle: When in use, the components to be installed are respectively installed on the first heat-conducting mounting plate 2 and the upper end of the second heat-conducting mounting plate 201. When the internal components are working and generating high heat, cooling water is transported to the cooling water flow groove 202 through the cooling water supply pipe 101. The cooling water flows through the cooling water flow groove 202 and then enters the cooling water return pipe 102. The first heat-conducting mounting plate 2 and the second heat-conducting mounting plate 201 are cooled by the cooling water, so that the components installed on the first heat-conducting mounting plate 2 and the second heat-conducting mounting plate 201 are cooled at the same time. The rear end of the lower end surface of the first heat-conducting mounting plate 2 is connected to a cross-flow fan. 3. A plurality of heat exchange sheets 5 are fixedly connected at equal intervals at the lower end of the first heat-conducting mounting plate 2, and a plurality of heat-conducting strips 501 are fixedly connected at the upper end of each heat-exchange sheet 5. The upper end of the heat-conducting strip 501 passes through the lower end surface of the first heat-conducting mounting plate 2 and extends to the inside of the cooling water flow groove 202. The heat-conducting strip 501 is heat-exchanged by the cooling water, so that the cooling water cools the heat exchange sheet 5. The air inside the explosion-proof control cabinet 1 is sucked through the air inlet at the lower end of the cross-flow fan 3 and is sent out through the front air outlet of the cross-flow fan 3. The sent air is cooled by the heat exchange sheet 5, so that the air inside the explosion-proof control cabinet 1 is cooled first, thereby improving the cooling efficiency.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A temperature-reducing explosion-proof control cabinet, comprising an explosion-proof control cabinet (1), characterized in that: A cooling water supply pipe (101) is arranged on one side of the rear end surface inside the explosion-proof control cabinet (1), and a cooling water return pipe (102) is arranged on the other side of the rear end surface inside the explosion-proof control cabinet (1). A refrigeration device (104) is fixedly arranged at the rear end of the middle part of the upper end of the explosion-proof control cabinet (1). A plurality of first heat-conducting mounting plates (2) are fixedly arranged at equal intervals inside the explosion-proof control cabinet (1), and a second heat-conducting mounting plate (201) is fixedly arranged at the lower end surface inside the explosion-proof control cabinet (1). The first heat-conducting mounting plate (2) and the second heat-conducting mounting plate (201) are both provided with cooling water flow grooves (202) arranged in an S shape inside. A cross-flow fan (3) is connected to the rear end of the lower end surface of the first heat-conducting mounting plate (2), and a plurality of heat exchange fins (5) are fixedly connected to the lower end of the first heat-conducting mounting plate (2) at equal intervals.

2. The explosion-proof control cabinet capable of cooling down according to claim 1, characterized in that: The upper end of the cooling water supply pipe (101) extends out of the upper end surface of the explosion-proof control cabinet (1) and is fixedly connected to one side of the refrigeration device (104); the upper end of the cooling water return pipe (102) extends out of the upper end surface of the explosion-proof control cabinet (1) and is fixedly connected to the other side of the refrigeration device (104); and the cooling water supply pipe (101) and the cooling water return pipe (102) are both enclosed by a heat insulation layer (103) after passing through the upper end surface of the explosion-proof control cabinet (1).

3. The explosion-proof control cabinet capable of cooling down according to claim 1, characterized in that: The lower end of the cooling water supply pipe (101) and the lower end of the cooling water return pipe (102) both pass through a plurality of first heat-conducting mounting plates (2) and are fixedly connected to the upper end surface of the second heat-conducting mounting plate (201).

4. The explosion-proof control cabinet capable of cooling according to claim 1, characterized in that: One side of each cooling water flow groove (202) is connected to the cooling water supply pipe (101), and the other side of each cooling water flow groove (202) is connected to the cooling water return pipe (102).

5. The explosion-proof control cabinet capable of cooling down according to claim 1, characterized in that: Two T-shaped limit portions (203) are fixedly connected to both sides of the rear end of the lower end surface of the first heat-conducting mounting plate (2); a connecting piece (4) is fixedly connected to the upper end of the cross-flow fan (3); two T-shaped limit slide grooves (401) are arranged on both sides of the upper end surface of the connecting piece (4); and a rectangular slot (402) is arranged between the rear end of each T-shaped limit slide groove (401) and the upper end surface of the connecting piece (4).

6. The explosion-proof control cabinet capable of cooling down according to claim 5, characterized in that: The lower end of the T-shaped limiting portion (203) on the first heat-conducting mounting plate (2) is inserted along the rectangular slot (402) and slides forward into the interior of the T-shaped limiting sliding slot (401).

7. The explosion-proof control cabinet capable of cooling according to claim 1, characterized in that: A plurality of heat-conducting strips (501) are fixedly connected to the upper end of each heat exchange plate (5), and the upper ends of the heat-conducting strips (501) pass through the lower end surface of the first heat-conducting mounting plate (2) and extend into the interior of the cooling water flow groove (202).

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