Temperature monitoring device for current-carrying part in high-voltage frequency converter cabinet

Abstract

The utility model relates to the technical field of temperature monitoring, and discloses a temperature monitoring device for a current-carrying part in a high-voltage frequency converter cabinet, which comprises a frequency conversion cabinet body, a temperature and humidity transmitter is fixedly assembled on the side surface of the inner wall of the frequency conversion cabinet body, and a temperature controller is arranged on the side surface of the inner wall of the frequency conversion cabinet body. The inner wall of the temperature controller is slidably connected with a limiting block, the side face of the limiting block is slidably connected with the inner wall of the frequency conversion cabinet body, a circulating water pipe is fixedly assembled on the side face of the inner wall of the frequency conversion cabinet body, and a water tank is fixedly assembled on the top of the inner wall of the frequency conversion cabinet body. Through cooperative use of the temperature and humidity transmitter and the circulating water pipe, the temperature and humidity transmitter is used for monitoring the internal temperature of the frequency conversion cabinet body, and then the temperature controller is used for assisting in controlling the refrigeration sheet, so that the refrigeration sheet is used for cooling the interior of the water tank, and then the water pump is used for supplying water to the interior of the circulating water pipe. And the fan unit and the circulating water pipe are used for cooling the internal temperature of the frequency conversion cabinet body.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature monitoring, in particular to a temperature monitoring device for current-carrying parts in a high-voltage frequency converter cabinet. Background Art

[0002] A high-voltage inverter is an energy control device that converts industrial frequency power into another frequency by using the on-off function of power semiconductor devices. In order to assist in the stable temperature monitoring of the current-carrying parts inside the high-voltage inverter, a temperature monitoring device for the current-carrying parts inside the high-voltage inverter cabinet is required.

[0003] Traditional temperature monitoring devices for current-carrying parts in high-voltage inverter cabinets are mostly fixed by screws and other components during use, which makes the disassembly and installation of the temperature monitoring devices time-consuming and labor-intensive. In addition, traditional devices are difficult to adjust and cool the internal temperature of the inverter cabinet according to the temperature conditions, which affects the stable use of the device. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a temperature monitoring device for current-carrying parts in a high-voltage frequency converter cabinet to solve the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: a temperature monitoring device for current-carrying parts in a high-voltage frequency converter cabinet, comprising a frequency converter cabinet body, a temperature and humidity transmitter fixedly mounted on the side of the inner wall of the frequency converter cabinet body, a thermostat arranged on the side of the inner wall of the frequency converter cabinet body, a limit block slidably connected to the inner wall of the thermostat, and a side of the limit block slidably connected to the inner wall of the frequency converter cabinet body, a circulating water pipe fixedly mounted on the side of the inner wall of the frequency converter cabinet body, a water tank fixedly mounted on the top of the inner wall of the frequency converter cabinet body, and a side of the water tank fixedly mounted to a side of the circulating water pipe.

[0006] As a preferred technical solution of the utility model, a spring is fixedly connected to the side of the inner wall of the thermostat, and one end of the spring away from the inner wall of the thermostat is fixedly connected to the inner wall of the limit block.

[0007] As a preferred technical solution of the utility model, an L-shaped rod is fixedly mounted on the side of the limit block, and the side of the L-shaped rod passes through the inner wall of the temperature controller and is slidably connected to the side of the inner wall of the frequency converter cabinet body.

[0008] As a preferred technical solution of the utility model, a refrigeration plate is fixedly installed on the top of the inner wall of the water tank, a slot is opened on the top of the frequency conversion cabinet body, and the top of the refrigeration plate passes through the inner wall of the slot and is connected with the top of the frequency conversion cabinet body, a temperature sensor is fixedly installed on the top of the inner wall of the water tank, a water pump is fixedly installed on the side of the inner wall of the water tank, and the water outlet of the water pump is connected with the inner wall of the circulating water pipe, and the refrigeration plate is electrically connected to the thermostat.

[0009] As an optimal technical solution of the utility model, dust covers are fixedly installed on both sides of the frequency conversion cabinet body, fan units are fixedly installed on the sides of the inner walls of the dust covers, and the outer edges of the fan units are fixedly socketed with the inner walls of the frequency conversion cabinet body, and the inner walls of the fan units are fixedly installed with the sides of the circulating water pipe.

[0010] As a preferred technical solution of the utility model, there are two circulating water pipes, and the sides of the two circulating water pipes are fixedly assembled with the inner walls of the two fan units respectively, and the inner walls of the two circulating water pipes are connected with the inner wall of the water tank.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The temperature monitoring device for the current-carrying part in the high-voltage inverter cabinet uses a temperature and humidity transmitter in conjunction with a circulating water pipe to monitor the internal temperature of the inverter cabinet body, and then uses a thermostat to assist in controlling the refrigeration plate, thereby using the refrigeration plate to cool the inside of the water tank, and then using a water pump to supply the inside of the circulating water pipe, and then using a fan unit and a circulating water pipe to cool the internal temperature of the inverter cabinet body.

[0013] 2. The temperature monitoring device for the current-carrying part in the high-voltage inverter cabinet uses an L-shaped rod and a limit block in combination. The L-shaped rod is used to drive the limit block to move, thereby assisting the side of the limit block to move away from the inner wall of the inverter cabinet body until the side of the limit block moves to the inner wall of the temperature controller, and then moves the temperature controller away from the inverter cabinet body, thereby assisting the disassembly and replacement of the temperature controller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the frequency conversion cabinet of the utility model;

[0016] Figure 3 This is a schematic diagram of the side section structure of the limit block of the utility model;

[0017] Figure 4 For this utility model Figure 3The enlarged structural diagram at A in the middle;

[0018] Figure 5 This is a schematic diagram of the internal structure of the water tank of the utility model.

[0019] In the figure: 1. Frequency conversion cabinet body; 2. Temperature and humidity transmitter; 3. Temperature controller; 4. Limit block; 5. Spring; 6. L-shaped rod; 7. Notch; 8. Circulating water pipe; 9. Water tank; 10. Water pump; 11. Refrigeration plate; 12. Temperature sensor; 13. Dust cover; 14. Fan unit. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 5 A temperature monitoring device for current-carrying parts in a high-voltage frequency converter cabinet comprises a frequency converter cabinet body 1, a temperature and humidity transmitter 2 is fixedly mounted on the side of the inner wall of the frequency converter cabinet body 1, a thermostat 3 is arranged on the side of the inner wall of the frequency converter cabinet body 1, a limit block 4 is slidably connected to the inner wall of the thermostat 3, and the side of the limit block 4 is slidably connected to the inner wall of the frequency converter cabinet body 1, a circulating water pipe 8 is fixedly mounted on the side of the inner wall of the frequency converter cabinet body 1, a water tank 9 is fixedly mounted on the top of the inner wall of the frequency converter cabinet body 1, and the side of the water tank 9 is fixedly mounted to the side of the circulating water pipe 8, by adding the temperature and humidity transmitter 2, the temperature and humidity inside the frequency converter cabinet body 1 are detected by using the temperature and humidity transmitter 2, and the temperature inside the auxiliary control device is adjusted to a suitable temperature by using the thermostat 3.

[0022] In a preferred embodiment, a spring 5 is fixedly connected to the side of the inner wall of the thermostat 3, and one end of the spring 5 away from the inner wall of the thermostat 3 is fixedly connected to the inner wall of the limit block 4. By using the spring 5 and the limit block 4 in coordination, the spring 5 is used to push the limit block 4 in the inner wall of the thermostat 3, so that the side of the limit block 4 is connected and limited to the inner wall of the frequency converter cabinet body 1.

[0023] In a preferred embodiment, an L-shaped rod 6 is fixedly mounted on the side of the limit block 4, and the side of the L-shaped rod 6 passes through the inner wall of the temperature controller 3 and is slidably connected to the side of the inner wall of the frequency converter cabinet body 1. By using the L-shaped rod 6 in conjunction with the limit block 4, the L-shaped rod 6 is used to drive the limit block 4 to adjust its position, thereby facilitating convenient adjustment of the limit block 4.

[0024] In a preferred embodiment, a refrigeration plate 11 is fixedly installed on the top of the inner wall of the water tank 9, a slot 7 is opened on the top of the frequency conversion cabinet body 1, and the top of the refrigeration plate 11 passes through the inner wall of the slot 7 and is connected with the top of the frequency conversion cabinet body 1, a temperature sensor 12 is fixedly installed on the top of the inner wall of the water tank 9, a water pump 10 is fixedly installed on the side of the inner wall of the water tank 9, and the water outlet of the water pump 10 is connected with the inner wall of the circulating water pipe 8, the refrigeration plate 11 is electrically connected to the thermostat 3, and by adding the refrigeration plate 11, the refrigeration plate 11 is used to assist in cooling the inside of the water tank 9, and by adding the temperature sensor 12, it is convenient to detect the internal temperature of the water tank 9, and the water pump 10 is used to assist in supplying the internal temperature of the water tank 9 to the inner cavity of the circulating water pipe 8.

[0025] In a preferred embodiment, dust covers 13 are fixedly installed on both sides of the frequency converter cabinet body 1, and fan units 14 are fixedly installed on the side of the inner wall of the dust cover 13. The outer edge of the fan unit 14 is fixedly socketed with the inner wall of the frequency converter cabinet body 1, and the inner wall of the fan unit 14 is fixedly installed with the side of the circulating water pipe 8. By adding the dust cover 13, the dust cover 13 is used to assist in blocking dust inside and outside the frequency converter cabinet body 1 to avoid affecting the stable operation of the frequency converter cabinet body 1.

[0026] In a preferred embodiment, there are two circulating water pipes 8, and the sides of the two circulating water pipes 8 are fixedly assembled with the inner walls of the two fan units 14 respectively, and the inner walls of the two circulating water pipes 8 are connected with the inner wall of the water tank 9. By installing two circulating water pipes 8, the two circulating water pipes 8 are utilized to stably cool the interior of the frequency converter cabinet body 1.

[0027] Working principle: when the device is in use, the temperature and humidity transmitter 2 is used to monitor the internal temperature of the frequency converter cabinet body 1, and then the thermostat 3 is used to assist in controlling the refrigeration plate 11, so that the refrigeration plate 11 is used to cool the inside of the water tank 9, and then the water pump 10 is used to supply the inside of the circulating water pipe 8, and then the fan unit 14 and the circulating water pipe 8 are used to cool the internal temperature of the frequency converter cabinet body 1, and the L-shaped rod 6 is used to drive the limit block 4 to move, thereby assisting the side of the limit block 4 to move away from the inner wall of the frequency converter cabinet body 1, until the side of the limit block 4 moves to the inner wall of the thermostat 3, and then the thermostat 3 is moved away from the frequency converter cabinet body 1, thereby assisting the thermostat 3 to be disassembled and replaced.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temperature monitoring device for current-carrying parts in a high-voltage frequency converter cabinet, comprising a frequency converter cabinet body (1), characterized in that: A temperature and humidity transmitter (2) is fixedly mounted on the side of the inner wall of the frequency conversion cabinet body (1); a temperature controller (3) is arranged on the side of the inner wall of the frequency conversion cabinet body (1); the inner wall of the temperature controller (3) is slidably connected to a limit block (4), and the side of the limit block (4) is slidably connected to the inner wall of the frequency conversion cabinet body (1); a circulating water pipe (8) is fixedly mounted on the side of the inner wall of the frequency conversion cabinet body (1); a water tank (9) is fixedly mounted on the top of the inner wall of the frequency conversion cabinet body (1), and the side of the water tank (9) is fixedly mounted to the side of the circulating water pipe (8).

2. A temperature monitoring device for current-carrying parts in a high-voltage frequency converter cabinet according to claim 1, characterized in that: A spring (5) is fixedly connected to the side of the inner wall of the thermostat (3), and one end of the spring (5) away from the inner wall of the thermostat (3) is fixedly connected to the inner wall of the limit block (4).

3. The temperature monitoring device for current-carrying parts in a high-voltage frequency converter cabinet according to claim 1 is characterized in that: An L-shaped rod (6) is fixedly mounted on the side of the limit block (4), and the side of the L-shaped rod (6) passes through the inner wall of the temperature controller (3) and is slidably connected to the side of the inner wall of the frequency conversion cabinet body (1).

4. The temperature monitoring device for current-carrying parts in a high-voltage frequency converter cabinet according to claim 1 is characterized in that: A cooling fin (11) is fixedly mounted on the top of the inner wall of the water tank (9); a slot (7) is provided on the top of the frequency conversion cabinet body (1), and the top of the cooling fin (11) passes through the inner wall of the slot (7) and is connected to the top of the frequency conversion cabinet body (1); a temperature sensor (12) is fixedly mounted on the top of the inner wall of the water tank (9); a water pump (10) is fixedly mounted on the side of the inner wall of the water tank (9), and the water outlet of the water pump (10) is connected to the inner wall of the circulating water pipe (8); and the cooling fin (11) is electrically connected to the temperature controller (3).

5. The temperature monitoring device for current-carrying parts in a high-voltage frequency converter cabinet according to claim 1 is characterized in that: Dust covers (13) are fixedly mounted on both sides of the frequency conversion cabinet body (1), a fan unit (14) is fixedly mounted on the side of the inner wall of the dust cover (13), and the outer edge of the fan unit (14) is fixedly sleeved with the inner wall of the frequency conversion cabinet body (1), and the inner wall of the fan unit (14) is fixedly mounted with the side of the circulating water pipe (8).

6. The temperature monitoring device for current-carrying parts in a high-voltage frequency converter cabinet according to claim 1 is characterized in that: There are two circulating water pipes (8), and the sides of the two circulating water pipes (8) are respectively fixedly assembled with the inner walls of the two fan units (14), and the inner walls of the two circulating water pipes (8) are both connected with the inner wall of the water tank (9).

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