CN115425555A - An energy-saving switch cabinet capable of overheating protection and cooling - Google Patents

Abstract

An energy-saving switchgear capable of overheating protection and cooling, including a cabinet body and a cabinet door, the cabinet body is preset with a switchgear room, a wiring room and a refrigeration room, wherein the switchgear room is equipped with several switchgears; The refrigeration room is separated from the switchgear room and the wiring room by two partitions; each partition is preset with a communication port, and each communication port is equipped with a moisture-absorbing plate; the two partitions are respectively equipped with a first valve and the second valve, wherein the first valve is used to control the closing or opening of the communication port connected to the switchgear chamber, and the second valve is used to control the closing or opening of the communication port connected to the wiring chamber; it also includes the first temperature measurement Components, the second temperature measuring component and the refrigerator; through the first temperature measuring component and the second temperature measuring component, respectively measure the temperature of the switchgear and the wiring room, and accurately obtain the temperature conditions of several switchgears and the wiring room, and then According to the temperature, it is judged whether to open the refrigerator, the first valve and the second valve, so as to avoid energy waste.

Description

An energy-saving switch cabinet capable of overheating protection and cooling

technical field

The invention relates to the technical field of switch cabinets, in particular to an energy-saving switch cabinet capable of overheating protection and cooling.

Background technique

The switch cabinet is a kind of electrical equipment. The outside line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. The main function of the switchgear is to open and close, control and protect electrical equipment during the process of power generation, transmission, distribution and power conversion in the power system. Generally, after the switchgear works for a long time, high temperature is easily generated inside the switchgear. If the temperature of the switchgear is not cooled, it is easy to cause damage to the internal parts. At present, some switchgears are equipped with air-cooled cooling devices to continuously cool the inside of the switchgear. These switchgears only judge whether to cool down according to the internal temperature of the entire cabinet, and it is easy to ignore the high temperature of some equipment parts, thus failing to timely Refrigeration cools down, causing damage to parts. In addition, the cooling and cooling of the above-mentioned switchgear is carried out on the entire cabinet body each time, which easily causes energy waste.

Contents of the invention

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide an energy-saving switch cabinet capable of overheating protection and cooling.

In order to achieve the above purpose, the solution provided by the present invention is an energy-saving switch cabinet capable of overheating protection and cooling and cooling, including a cabinet body and a cabinet door, and the cabinet body is preset with a switchgear room, a wiring room and a refrigeration room , wherein, the switchgear room is equipped with several switchgears, and the refrigeration room is separated from the switchgear room and the wiring room by two partitions; each of the partitions is preset with a communication port, wherein , each of the communication ports is equipped with a moisture-absorbing plate; the two partitions are respectively equipped with a first valve and a second valve, wherein the first valve is used to control the closing or closing of the communication port of the switchgear room. Opening, the second valve is used to control the closing or opening of the communication port connected to the wiring chamber; it also includes a first temperature measuring component for detecting the temperature of several switchgears one by one, and a first temperature measuring component for detecting the temperature of the wiring chamber. Two temperature measuring components and a refrigerator, wherein the refrigerator is installed in the refrigeration chamber; both the first temperature measuring component and the second temperature measuring component are installed on the cabinet door, and the first temperature measuring component The position and the position of the second temperature measuring component correspond to the switchgear room and the wiring room respectively; the first temperature measuring component includes a horizontal driving device, a first temperature measuring device and a lifting driving device, wherein the The lifting driving device is used to drive the horizontal driving device to move up and down, and the horizontal driving device drives the first temperature measuring device to make lateral movement; the second temperature measuring component includes at least two second temperature measuring devices.

Further, both the first valve and the second valve include a sealing plate and a cylinder, wherein the sealing plate is connected to the driving end of the cylinder, and the cylinder is installed in the refrigeration chamber.

Further, each partition is preset with a guide groove for sliding fit of the sealing plate, and the sealing plate slides along the guide groove to open or close the communication port.

Further, both the first temperature measuring device and the second temperature measuring device are infrared thermometers.

Further, the horizontal driving device includes a horizontal guide rail, a first motor, a horizontal lead screw pair and a first connecting seat, wherein the first connecting seat is fixed to the horizontal guide rail, and the first motor is fixed to the first connecting seat And it is used to drive the lead screw of the horizontal lead screw pair to rotate; the lead screw of the horizontal lead screw pair is rotatably connected to the first connecting seat, the first temperature measuring device is slidably fitted to the horizontal guide rail, and the The first temperature measuring device is fixedly connected with the nut of the transverse lead screw pair.

Further, the lifting drive device includes a vertical guide rail, a second motor, a vertical lead screw pair and a second connecting seat, wherein the horizontal guide rail is slidably fitted to the vertical guide rail, and the second motor is fixed on the The cabinet door is used to drive the lead screw of the vertical lead screw pair to rotate; the lead screw of the vertical lead screw pair is rotatably connected to the second connecting seat, wherein the second connecting seat is fixed on the cabinet door; the The nuts of the vertical screw pair are fixedly connected to the horizontal guide rail.

The beneficial effects of the present invention are as follows: through the first temperature measuring component and the second temperature measuring component to measure the temperature of the switchgear and the wiring room respectively, the temperature conditions of several switchgears and the wiring room are accurately obtained, and then, according to the temperature condition Judging whether to open the refrigerator, the first valve and the second valve avoids energy waste caused by opening the refrigerator for a long time; The cabinet is refrigerated to reduce the operating power of the refrigerator and further save energy. In addition, the first temperature measuring device continuously measures the temperature of the overheated switchgear, thereby realizing the fault detection of the switchgear.

Description of drawings

Figure 1 is a schematic diagram of the cabinet.

Figure 2 is a schematic diagram of the cabinet door.

Fig. 3 is a schematic front view of the first valve or the second valve.

Fig. 4 is a side sectional view of the first valve or the second valve.

Among them, 1-cabinet body, 2-cabinet door, 3-refrigerating chamber, 301-cylinder, 302-sealing plate, 31-first valve, 32-second valve, 33-partition, 331-guide groove, 332- Connecting port, 34-moisture-absorbing plate, 4-switchgear room, 41-switchgear, 5-wiring room, 6-refrigerator, 711-horizontal guide rail, 712-horizontal screw pair, 713-first motor, 721 - vertical guide rail, 722 - vertical lead screw pair, 723 - second motor, 81 - first temperature measuring device, 82 - second temperature measuring device.

detailed description

In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. The purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

Referring to FIG. 1 , in this embodiment, an energy-saving switch cabinet capable of overheating protection and cooling and cooling includes a cabinet body 1 , a cabinet door 2 , a first temperature measuring component, a second temperature measuring component and a refrigerator 6 . The cabinet body 1 is preset with a switchgear room 4, a wiring room 5 and a refrigeration room 3, wherein the first temperature measuring component and the second temperature measuring component are installed on the cabinet door 2, and the position of the first temperature measuring component and The positions of the second temperature measuring component correspond to the switchgear room 4 and the wiring room 5 respectively.

Referring to FIG. 2 , in this embodiment, the first temperature measuring assembly includes a horizontal driving device, a first temperature measuring device 81 and a lifting driving device. The horizontal driving device includes a horizontal guide rail 711, a first motor 713, a transverse lead screw pair 712 and a first connecting seat, wherein the first connecting seat is fixed on the horizontal guide rail 711, and the first motor 713 is fixed on the first connecting seat; The lead screw of the rod pair 712 is rotatably connected to the first connection seat, and the lead screw of the horizontal lead screw pair 712 is driven to rotate by the first motor 713 to drive the first temperature measuring device 81 to do lateral movement. The first temperature measuring device 81 is slidingly matched with the horizontal guide rail 711 , and the first temperature measuring device 81 is fixedly connected with the nut of the horizontal lead screw pair 712 . The lifting drive device includes a vertical guide rail 721, a second motor 723, a vertical lead screw pair 722 and a second connecting seat, wherein the horizontal guide rail 711 is slidably fitted to the vertical guide rail 721, and the second motor 723 is fixed on the cabinet door 2 and used To drive the lead screw of the vertical lead screw pair 722 to rotate; the lead screw of the vertical lead screw pair 722 is rotatably connected to the second connection seat, wherein the second connection seat is fixed on the cabinet door 2; the nut of the vertical lead screw pair 722 It is fixedly connected to the horizontal guide rail 711. The second motor 723 drives the lead screw of the vertical lead screw pair 722 to rotate, so that the horizontal guide rail 711 moves up and down, and the horizontal drive device is driven by the lifting drive device to perform lifting motion.

Referring to FIG. 1 or FIG. 2, in this embodiment, the switchgear room 4 is preset with several switchgears 41, wherein the several switchgears 41 are evenly distributed on three horizontal rows, and the three horizontal rows are vertically Arranged in sequence. The horizontal driving device is driven by the lifting driving device to rise to the positions of three horizontal rows in sequence, and when the horizontal driving device rises to the position of each horizontal row, the stop detection is performed. When the horizontal driving device performs stop detection, the horizontal driving device drives the first temperature measuring device 81 to slide laterally, and makes the first temperature measuring device 81 sequentially detect the temperature of the switchgears 41 on the horizontal row.

In this embodiment, the second temperature measuring assembly includes three second temperature measuring devices 82 , wherein the three second temperature measuring devices 82 are arranged horizontally and equidistantly in sequence. The multiple second temperature measuring devices 82 are used to measure the temperature of multiple wires in the wiring chamber 5 to improve the inspection accuracy of the temperature of the wiring chamber 5 .

Referring to FIG. 1 or FIG. 3 or FIG. 4 , in this embodiment, the refrigeration chamber 3 is separated from the switchgear chamber 4 and the wiring chamber 5 by two partitions 33 . Each partition 33 is preset with a communication port 332 and a guide groove 331, wherein the refrigeration chamber 3 communicates with the switchgear chamber 4 and the cable compartment 5 through the communication port 332 of the two partitions 33, and each communication port 332 is installed Moisture-absorbing board 34 is arranged. The first valve 31 and the second valve 32 are respectively installed on the two dividing plates 33, wherein the first valve 31 and the second valve 32 all include a sealing plate 302 and a cylinder 301, wherein the sealing plate 302 and the driving end of the cylinder 301 connected, and the cylinder 301 is installed in the refrigeration chamber 3. The first valve 31 is used to control the closing or opening of the communication port 332 connected to the switchgear chamber 4, and the second valve 32 is used to control the closing or opening of the communication port 332 connected to the wiring chamber 5. Specifically, the first valve 31 The sealing plate 302 and the sealing plate 302 of the second valve 32 are slidably matched with the guide grooves 331 of the two partitions 33 , and the cylinder 301 drives the sealing plate 302 to slide along the guide grooves 331 to open or close the communication port 332 .

In this embodiment, the refrigerator 6 is installed in the refrigeration chamber 3 . When the first temperature measuring device 81 detects that the temperature of any switchgear 41 is too high, the refrigerator 6 can be turned on to fill the refrigeration chamber 3 with cold air, and then the first valve 31 is opened to allow the cold air in the refrigeration chamber 3 to gradually flow to the switch. Equipment room 4, so that the temperature of the switchgear room 4 drops; at the same time, stop the movement of the first temperature measuring device 81, and continue to detect the temperature of the switchgear 41 with too high temperature through the first temperature measuring device 81, if the switchgear 41 If the temperature continues to rise, it can be considered that the switchgear 41 is faulty and needs to be shut down for maintenance. During the process of cold air flowing into the switchgear chamber 4 from the refrigeration chamber 3, the moisture in the cold air is absorbed by the moisture-absorbing plate 34 to prevent the switchgear chamber 4 from getting damp; in addition, the cylinder 301 drives the sealing plate 302 to move slowly, so that the opening of the communication port 332 The opening increases slowly, avoiding the situation where a large amount of cold air flows into the switchgear room 4 and causes the temperature to drop suddenly, thereby causing water vapor and water droplets to appear. When any second temperature measuring device 82 detects that the temperature is too high, the refrigerator 6 can be turned on, and then the second valve 32 is opened to allow the cold air in the refrigeration chamber 3 to gradually flow to the wiring chamber 5, so that the temperature of the wiring chamber 5 drops. .

In this embodiment, both the first temperature measuring device 81 and the second temperature measuring device 82 are infrared thermometers. Both the first motor 713 and the second motor 723 are servo motors.

In this embodiment, the temperature of the switchgear 41 and the wiring compartment 5 is measured respectively by the first temperature measuring component and the second temperature measuring component, and the temperature conditions of several switchgears 41 and the wiring compartment 5 are accurately obtained, and then, Judging whether to open the refrigerator 6, the first valve 31 and the second valve 32 according to the temperature situation, avoiding opening the refrigerator 6 for a long time, causing energy waste, and only opening the first valve 31 or the second valve 31 when the refrigerator 6 is cooling. The second valve 32 can avoid cooling the entire switchgear, so as to reduce the operating power of the refrigerator 6 and further save energy. In addition, the first temperature measuring device 81 continuously measures the temperature of the switchgear 41 whose temperature is too high, so as to realize the fault detection of the switchgear.

The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the present invention in any form. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, uses the technical content disclosed above to make more possible changes and modifications to the technical solution of the present invention, or the modification is an equivalent embodiment of the present invention. Therefore, all equivalent and equivalent changes made according to the ideas of the present invention that do not deviate from the technical solutions of the present invention shall fall within the scope of protection of the present invention.

Claims (6)

1. An energy-saving switch cabinet capable of overheating protection and cooling, including a cabinet body (1) and a cabinet door (2), characterized in that: the cabinet body (1) is preset with a switchgear room (4) , the wiring compartment (5) and the refrigeration compartment (3), wherein the switchgear compartment (4) is equipped with several switchgears (41), and the refrigeration compartment (3) passes through two partitions ( 33) It is separated from the switchgear room (4) and the wiring room (5); each of the partitions (33) is preset with a communication port (332), wherein each communication port (332) is installed with a suction The tide plate (34); the two partitions (33) are respectively equipped with a first valve (31) and a second valve (32), wherein the first valve (31) is used to control the communication switchgear room ( 4) The closing or opening of the communication port (332), the second valve (32) is used to control the closing or opening of the communication port (332) of the wiring chamber (5); The first temperature measuring component for the temperature of the switchgear (41), the second temperature measuring component for detecting the temperature of the wiring chamber (5) and the refrigerator (6), wherein the refrigerator (6) is installed in the Refrigeration chamber (3); the first temperature measuring component and the second temperature measuring component are both installed on the cabinet door (2), and the positions of the first temperature measuring component and the second temperature measuring component are respectively Corresponding to the switchgear room (4) and the wiring room (5); the first temperature measurement component includes a horizontal drive device, a first temperature measurement device (81) and a lift drive device, wherein the lift drive device It is used to drive the horizontal driving device to do lifting movement, and the horizontal driving device drives the first temperature measuring device (81) to do lateral movement; the second temperature measuring component includes at least two second temperature measuring devices (82) . 2. An energy-saving switch cabinet capable of overheating protection and cooling and cooling according to claim 1, characterized in that: the first valve (31) and the second valve (32) both include a sealing plate ( 302) and a cylinder (301), wherein the sealing plate (302) is connected to the driving end of the cylinder (301), and the cylinder (301) is installed in the refrigeration chamber (3). 3. An energy-saving switch cabinet capable of overheating protection and cooling and cooling according to claim 2, characterized in that: each partition (33) is preset with a guide groove for sliding fit of the sealing plate (302) (331), the sealing plate (302) slides along the guide groove (331) to open or close the communication port (332). 4. An energy-saving switch cabinet capable of overheating protection and cooling and cooling according to claim 1, characterized in that: the first temperature measuring device (81) and the second temperature measuring device (82) are both infrared measuring devices Thermometer. 5. An energy-saving switch cabinet capable of overheating protection and cooling and cooling according to claim 1, characterized in that: the horizontal driving device includes a horizontal guide rail (711), a first motor (713), a horizontal screw The pair (712) and the first connection seat, wherein the first connection seat is fixed to the horizontal guide rail (711), and the first motor (713) is fixed to the first connection seat and used to drive the horizontal lead screw pair (712) The lead screw of the horizontal lead screw pair (712) is rotatably connected to the first connecting seat, the first temperature measuring device (81) is slidably fitted to the horizontal guide rail (711), and, The first temperature measuring device (81) is fixedly connected with the nut of the transverse screw pair (712). 6. An energy-saving switch cabinet capable of overheating protection and cooling and cooling according to claim 1, characterized in that: the lifting drive device includes a vertical guide rail (721), a second motor (723), a vertical The screw pair (722) and the second connection seat, wherein the horizontal guide rail (711) is slidably fitted to the vertical guide rail (721), and the second motor (723) is fixed to the cabinet door (2) for Drive the lead screw of the vertical lead screw pair (722) to rotate; the lead screw of the vertical lead screw pair (722) is rotatably connected to the second connecting seat, wherein the second connecting seat is fixed to the cabinet door ( 2); the nut of the vertical screw pair (722) is fixedly connected to the horizontal guide rail (711).

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