CN212849362U

CN212849362U - High-voltage comprehensive metering cabinet for electric industry

Info

Publication number: CN212849362U
Application number: CN202021366478.3U
Authority: CN
Inventors: 李志梁
Original assignee: Hunan Diannanai Electric Equipment Co ltd
Current assignee: Hunan Diannanai Electric Equipment Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-30
Anticipated expiration: 2030-07-13

Abstract

The utility model relates to the technical field of high-voltage comprehensive metering cabinets, in particular to a high-voltage comprehensive metering cabinet for electric industry, which comprises a cabinet body, wherein a dehumidifying unit is arranged in the cabinet body, the dehumidifying unit comprises a dehumidifying box, a water collecting tank is arranged at the bottom of the dehumidifying box, a horizontal first clapboard is arranged at the middle part of the dehumidifying box, a first airflow channel and a second airflow channel are respectively arranged at the upper side and the lower side of the first clapboard, a plurality of semiconductor refrigerating sheets are embedded in the first clapboard, the refrigerating surfaces and the heating surfaces of the semiconductor refrigerating sheets are respectively provided with a cold end fin and a hot end fin, the hot end fins are respectively arranged close to the upstream of the airflow channels of the first airflow channel and the second airflow channel, the cold end fins are respectively arranged close to the downstream of the airflow channels of the first airflow channel and the second airflow channel, a plurality of water permeable holes are also arranged on the first clapboard, the hole of permeating water runs through first baffle to solve the too big problem of cabinet body internal humidity.

Description

High-voltage comprehensive metering cabinet for electric industry

Technical Field

The utility model relates to a high pressure is synthesized and is measured cabinet technical field, especially relates to a high pressure is synthesized and is measured cabinet for electric industry.

Background

With the rapid development of power enterprises, the high voltage power grid is spread more and more, and therefore a stable operating environment should be provided for the high voltage power grid and the electricity metering device. Especially for some metering equipment which cannot be arranged indoors, the outdoor high-voltage metering floor cabinet is protected by using the outdoor high-voltage metering floor cabinet, and the high-voltage metering equipment is prevented from being damaged. The use of present most outdoor high-pressure measurement floor cabinet is comparatively unified, its structural design also has certain unity, and because the environment and the operation requirement of the high-pressure measurement floor cabinet that every area used are different, will lead to the floor cabinet in some of them areas to use and can't reach corresponding operation requirement, thereby influence the availability factor of outdoor high-pressure measurement floor cabinet, the security to the measuring equipment operation in the floor cabinet, the reliability causes very big influence, can constitute certain threat to the security of user's power consumption even, the reliability.

The prior art shows that because the poor ventilation of high pressure integrated metering cabinet bottom, cabinet body overall structure design lack factors such as rationality for outdoor high pressure integrated metering cabinet's use often receives the influence of moisture, thereby causes very big influence to the stability of inside high-pressure metering equipment operation. Moisture in air is easy to be adsorbed on the insulating surface of the high-voltage transformer in the metering cabinet to reduce the insulation resistance of the high-voltage transformer; meanwhile, dust and various substances in the air are easily adsorbed on the surface of a moist mutual inductor, so that the moisture degree is more serious, the insulation resistance is lower, the leakage current is greatly increased, the growth of moulds is accelerated, acidic substances are generated by the moulds to reduce the insulation performance of an insulation material on the surface of the mutual inductor, and the leakage current is further increased. For this, effective measures must be taken.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide an electric industry is with high pressure integrated metering cabinet, the electric industry is with high pressure integrated metering cabinet can effectively solve the too big problem of humidity in the high pressure integrated metering cabinet, improves the security, the reliability and the life of high pressure integrated metering cabinet.

In order to achieve the technical effects, the utility model adopts the following technical scheme:

a high-voltage comprehensive metering cabinet for electric industry comprises a cabinet body, wherein first ventilation holes are formed in two sides of the cabinet body, a dehumidification unit is arranged in the cabinet body and comprises a dehumidification box, second ventilation holes are formed in two sides of the dehumidification box, a water collecting tank is arranged at the bottom of the dehumidification box, a first partition plate is arranged in the middle of the dehumidification box, a first airflow channel and a second airflow channel are respectively arranged on the upper side and the lower side of the first partition plate, fans are respectively arranged outside the first airflow channel and the second airflow channel, a plurality of installation through holes are formed in the first partition plate, a plurality of semiconductor refrigeration sheets are horizontally embedded in the installation through holes, a refrigeration surface and a heating surface of each semiconductor refrigeration sheet are respectively provided with a cold end fin and a hot end fin, and the cold end fins are respectively arranged close to the downstream of the airflow channels of the first airflow channel and the second airflow channel, the hot end fins are arranged close to the upstream of the airflow channels of the first airflow channel and the second airflow channel, a plurality of water permeable holes are further formed in the first partition plate, and the water permeable holes penetrate through the first partition plate.

Further, the inside of the cabinet body is provided with a power supply and a controller, and the power supply and the controller are electrically connected with the semiconductor refrigeration piece.

Further, the inside of the cabinet body is provided with a humidity sensor, and the humidity sensor is electrically connected with the controller.

Further, the outside of the cabinet body still is provided with the display screen, the display screen with the controller electricity is connected.

Further, the middle part of the cabinet body is also provided with a second partition plate, a plurality of gas through holes are formed in two sides of the second partition plate, and the power supply and the controller are fixedly connected with the second partition plate.

Further, the inside of the cabinet body is provided with an electrical installation board, and the surface of the electrical installation board is provided with an insulating coating.

Further, the dehumidification unit also comprises a water tank which is communicated with the water collecting tank through a connecting pipe fitting.

Further, the top of the cabinet body is provided with a solar photovoltaic panel, and the solar photovoltaic panel is electrically connected with the power supply.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of measurement cabinet is synthesized to high pressure for electric industry is through at the internal dehumidification unit that sets up of cabinet, carries out the condensation desorption to the moisture in the internal portion of cabinet and the surrounding environment to reduce the water content in the air, be convenient for keep the humidity in this high pressure comprehensive measurement cabinet in suitable within range, with reliability and security of guaranteeing that this high pressure comprehensive measurement cabinet uses, simultaneously, promote measurement cabinet life is synthesized to high pressure for the electric industry.

Drawings

Fig. 1 is a schematic view of an overall structure of a high-voltage comprehensive metering cabinet for electric power industry according to an embodiment of the present invention;

fig. 2 is a sectional view of a part a-a' of a high-voltage integrated metering cabinet for electric utility according to an embodiment of the present invention;

fig. 3 is a partial enlarged view of a portion B of the high-voltage comprehensive metering cabinet for electric utility according to an embodiment of the present invention;

the reference signs are: 10-cabinet body, 101-first ventilation hole, 20-cabinet door, 30-installation cavity, 31-electric installation plate, 40-second partition plate, 401-gas through hole, 50-dehumidification cavity, 501-second ventilation hole, 51-dehumidification box, 511-first partition plate, 511 a-permeable hole, 512-semiconductor refrigeration piece, 512 a-cold end fin, 512 b-hot end fin, 513-water collecting tank, 52-water tank, 53-connecting pipe, 54-fan, 60-solar photovoltaic panel, 70-power supply, 80-controller and 90-humidity sensor.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 3, the high-voltage comprehensive measurement cabinet for electric power industry provided in this embodiment includes a cabinet body 10, a cabinet door 20 is disposed on the cabinet body, and first ventilation holes 101 are disposed on two sides of the cabinet body 10, so as to maintain the ventilation performance of the high-voltage comprehensive measurement cabinet. The inside of the cabinet body 10 is provided with power 70, controller 80 and humidity transducer 90, the middle part of the cabinet body 10 is provided with second baffle 40, the top of second baffle 40 is provided with installation cavity 30, be provided with electric mounting panel 31 in the installation cavity 30, electric mounting panel 31 is used for installing electrical component, electric mounting panel 31 perpendicular to horizontal plane sets up, just the surface of electric mounting panel 31 is provided with insulating coating. A dehumidification cavity 50 is arranged below the second partition plate 40, a dehumidification unit is arranged in the dehumidification cavity 50, a plurality of gas through holes 401 are formed in two sides of the second partition plate 40, and the gas through holes 401 are used for communicating the installation cavity 30 and the dehumidification cavity 50. Power 70 and controller 80 with the middle part fixed connection of second baffle 40, humidity transducer 90 sets up the inside of installation cavity 30, humidity transducer 90 with the controller 80 electricity is connected, humidity transducer 90 is convenient for right humidity in the cabinet body 10 detects and will detect data transmission to controller 80, controller 80 is convenient for control when the humidity is too big in installation cavity 30 the dehumidification unit carries out the drying to the gas in the installation cavity 30 to reduce the inside humidity of the cabinet body 10, guarantee the electrical equipment normal operating of the internal portion of cabinet 10.

In this embodiment, the inside of the cabinet body 10 is provided with the dehumidification unit, the dehumidification unit includes dehumidification box 51 and water tank 52, the bottom of dehumidification box 51 is provided with water catch bowl 513, water catch bowl 513 through connect pipe fitting 53 with water tank 52 intercommunication, be convenient for with ponding in the water catch bowl 513 is arranged to the water tank 52 in.

In this embodiment, a first partition plate 511 is disposed at the middle of the dehumidifying box 51, a first air flow passage and a second air flow passage are respectively disposed at the upper side and the lower side of the first partition plate 511, and the air flow directions in the first air flow passage and the second air flow passage are opposite. The two sides of the first airflow channel and the second airflow channel are both provided with second ventilation holes 501, the outer sides of the ventilation holes of the first airflow channel and the second airflow channel are both provided with fans 54, the fans 54 are air suction type fans, and the air suction type fans comprise two fans which are respectively arranged at the downstream of the airflow channels of the first airflow channel and the second airflow channel, so that the air flow in the first airflow channel and the second airflow channel is accelerated.

In the present embodiment, the dehumidifying cartridge 51 communicates with the installation chamber 30 through the air passing hole 401 and the second air passing hole 501. The first partition 511 is provided with a plurality of mounting through holes, preferably, the mounting through holes are provided in an even number and are symmetrically arranged, the mounting through holes are arranged in a straight line, a plurality of semiconductor chilling plates 512 are embedded in the mounting through holes, the semiconductor chilling plates 512 are electrically connected with the controller 80, and chilling surfaces and heating surfaces of the semiconductor chilling plates 512 face two sides of the first partition 511 respectively. The refrigerating surface and the heating surface of the semiconductor refrigerating sheet 512 are respectively provided with a cold end fin 512a and a hot end fin 512b, the cold end fin 512a is arranged close to the upstream and the downstream of the airflow channels of the first airflow channel and the second airflow channel, and the hot end fin 512b is arranged close to the upstream of the airflow channels of the first airflow channel and the second airflow channel. The first partition plate 511 is further provided with a plurality of water permeable holes 511a penetrating through the first partition plate 511, and the water permeable holes 511a surround the semiconductor chilling plate 512 and are uniformly arranged on the first partition plate 511 at intervals. The air flow directions in the first air flow channel and the second air flow channel are opposite, when the air in the first air flow channel and the second air flow channel moves, the hot end fin 512b arranged at the upstream of the air flow channel is heated, the heated air moves to the downstream of the air flow channel continuously and is in contact with the cold end fin 512a, the air is condensed on the surface of the cold end fin 512a, water drops formed after condensation drop into the water collecting tank 513 through the water permeable holes 511a or directly drop into the water collecting tank 513, and accumulated water in the water collecting tank 401 can be conveyed into the water tank 52 through the connecting pipe fitting 53, so that the purpose of reducing the air humidity in the cabinet body 10 is achieved.

In this embodiment, the dehumidification unit still includes the delivery pump, the delivery pump is connected with controller 80 electricity, the delivery pump through get water the pipeline with the water tank 52 intercommunication, the delivery pump passes through drainage pipe and external intercommunication, is convenient for discharge the ponding in the water tank 52 to the cabinet body 10 outside.

In this embodiment, the outside of the cabinet body 10 is further provided with a display screen, the display screen is electrically connected with the controller 80, and the display screen is convenient for displaying the detection data of the humidity sensor 90 in real time.

In this embodiment, a solar photovoltaic panel 60 is disposed on the top of the cabinet 10, and the solar photovoltaic panel 60 is electrically connected to the power supply 70.

The utility model provides a pair of high pressure is synthesized and is measured cabinet for electric industry is when using: the humidity inside the installation cavity 30 is detected by the humidity sensor 90, and the detected data is transmitted to the controller 80. When the humidity detection data exceeds a set threshold value, the controller 80 controls the operation of the dehumidification unit to reduce the humidity in the cabinet, when the dehumidification unit operates, the semiconductor refrigeration sheet 512 and the fan 54 start to operate, the gas sequentially passes through the first ventilation hole 101, the gas through hole 401 and the second ventilation hole 501 to enter the interior of the dehumidification box 51, the gas in the first air flow channel and the gas in the second air flow channel reversely flow, and the gas in the first air flow channel and the second air flow channel firstly passes through the hot end fin 512b at the upstream of the air flow channel to cool and then passes through the cold end fin 512a at the downstream of the air flow channel to condense in the flowing process, the condensed water condensed on the cold end fin 512a in the first air flow channel drops into the water collection tank 513 through the water through hole 511a, and the condensed water in the second air flow channel directly drops into the water collection tank 513, and the condensed water in the water collecting tub 513 is transferred into the water tank 52 through the connection pipe 53.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. The utility model provides a high-pressure integrated metering cabinet for electric industry which characterized in that: the refrigerator comprises a cabinet body (10), wherein first ventilation holes (101) are formed in two sides of the cabinet body (10), a dehumidification unit is arranged inside the cabinet body (10) and comprises a dehumidification box (51), second ventilation holes (501) are formed in two sides of the dehumidification box (51), a water collecting tank (513) is arranged at the bottom of the dehumidification box (51), a first partition plate (511) is arranged in the middle of the dehumidification box (51), a first airflow channel and a second airflow channel are respectively arranged on the upper side and the lower side of the first partition plate (511), fans (54) are respectively arranged outside the first airflow channel and the second airflow channel, a plurality of installation through holes are formed in the first partition plate (511), a plurality of semiconductor refrigeration sheets (512) are horizontally embedded in the installation through holes, and a cold end fin (512a) and a hot end fin (512b) are respectively arranged on the refrigeration surface and the heating surface of the semiconductor refrigeration sheets (512), the cold end fins (512a) are arranged close to the downstream of the airflow channels of the first airflow channel and the second airflow channel, the hot end fins (512b) are arranged close to the upstream of the airflow channels of the first airflow channel and the second airflow channel, the first partition plate (511) is further provided with a plurality of water permeable holes (511a), and the water permeable holes (511a) penetrate through the first partition plate (511).

2. The high-voltage comprehensive metering cabinet for electric power industry of claim 1, characterized in that: the refrigerator is characterized in that a power supply (70) and a controller (80) are arranged inside the cabinet body (10), and the power supply (70) and the controller (80) are electrically connected with the semiconductor refrigerating sheet (512).

3. The high-voltage comprehensive metering cabinet for electric power industry of claim 2, characterized in that: the inside of the cabinet body (10) is provided with a humidity sensor (90), and the humidity sensor (90) is electrically connected with the controller (80).

4. The high-voltage comprehensive metering cabinet for electric power industry of claim 3, characterized in that: the cabinet body (10) is characterized in that a display screen is further arranged outside the cabinet body, and the display screen is electrically connected with the controller (80).

5. The high-voltage comprehensive metering cabinet for electric power industry of claim 2, characterized in that: the middle part of the cabinet body (10) is further provided with a second partition plate (40), a plurality of gas through holes (401) are formed in the two sides of the second partition plate (40), and the power source (70) and the controller (80) are fixedly connected with the second partition plate (40).

6. The high-voltage comprehensive metering cabinet for electric power industry of claim 1, characterized in that: the cabinet body (10) is provided with an electric mounting plate (31) in the inside, the surface of electric mounting plate (31) is provided with insulating coating.

7. The high-voltage comprehensive metering cabinet for electric power industry of claim 1, characterized in that: the dehumidification unit further comprises a water tank (52), and the water tank (52) is communicated with the water collection tank (513) through a connecting pipe (53).

8. The high-voltage comprehensive metering cabinet for electric power industry of claim 2, characterized in that: the top of the cabinet body (10) is provided with a solar photovoltaic panel (60), and the solar photovoltaic panel (60) is electrically connected with the power supply (70).