CN213212842U

CN213212842U - Dehumidification and dew removal device for switching station

Info

Publication number: CN213212842U
Application number: CN202020630064.0U
Authority: CN
Inventors: 张亚羽; 姜建
Original assignee: Zhejiang Shangqingyuan Electric Power Technology Co ltd; Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Zhejiang Shangqingyuan Electric Power Technology Co ltd; Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-05-14
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a dehumidifying and dew-removing device for an opening and closing station, which aims to solve the problem that the current opening and closing station cannot solve the problem of condensation well, resulting in a large short-circuit aging risk. The utility model is used for removing moisture from equipment, the device is arranged outside the equipment, the device includes a casing, a fan, a heater and a dehumidifier, the dehumidifier is a compressor, and the casing includes an inner casing and an outer casing, The equipment is arranged in the inner shell, a gas flow channel surrounding the inner shell is formed between the inner shell and the outer shell, the evaporator of the dehumidifier is arranged in the front section of the gas flow channel, and the lower end of the evaporator is connected with a water collector The openings at both ends of the gas flow channel are connected with the interior of the inner shell, the fan is arranged in the inner shell, and the heater is arranged in the air channel of the fan. The condensation phenomenon is eliminated by heating, dehumidification and air blowing, which improves the reliability and stability of the equipment. The controller controls the three to activate one by one according to the situation, which is more energy-saving and efficient.

Description

Dehumidification and dew removal device for switching station

Technical Field

The utility model relates to a humidity control technical field, more specifically say, it relates to a switching station dewing device that dehumidifies.

Background

The number of the power switching stations is large, the distribution range is wide, the power switching stations are important components and control nodes of a power supply network of 6-10 kv in a city, and the running state of the power switching stations is directly related to the reliability of a city power supply system. According to statistics, the fault caused by air condensation short circuit and equipment aging short circuit accounts for more than 80% of the fault reasons of the equipment for opening and closing. At present, the switching station is generally installed on a negative floor or a flat floor with poor ventilation conditions in a floor, the air of an equipment installation chamber is not circulated, the indoor humidity is low, condensation is easy to occur when the temperature and the humidity are changed, equipment is damaged by short circuit, and the problems are more prominent particularly in areas with high humidity. Therefore, measures are needed to improve the condensation prevention performance of the switching station and ensure the safe and stable operation of the equipment.

The Chinese patent publication No. CN209803974U, entitled alarm cabinet for switching station and switching station, discloses an alarm cabinet for switching station, which comprises a first power supply, a pre-warning signal alarm circuit and an accident signal alarm circuit, wherein the pre-warning signal alarm circuit and the accident signal alarm circuit are connected between the anode and the cathode of the first power supply; the forecast signal warning circuit comprises a forecast signal end, a siren warning circuit and a first light word board warning circuit which are connected in parallel between the forecast signal end and the negative electrode of the first power supply, and a first delay circuit which is connected in parallel between the positive electrode and the negative electrode of the first power supply and is used for delaying the release of the siren warning signal and the first release circuit for releasing the siren warning signal and the first light word board warning signal. The utility model also provides a switching station. The utility model discloses can simplify the trouble alarm device in the switching station, reduce the expense and the maintenance cost of equipment in the switching station. The problem of condensation is not treated, so that the equipment is easy to be short-circuited and influenced by condensation, and the service life of the equipment is short.

Disclosure of Invention

The utility model overcomes present switching station is to the unable fine solution of condensation problem, leads to having the not enough of the ageing risk of great short circuit, provides a switching station dehumidification dewfall device, and it can carry out dehumidification processing to the air around the equipment, eliminates the possibility of condensation from the source, has improved the reliability of equipment.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a switching station dewfall device that dehumidifies for get rid of the moisture to equipment, the device sets up in the equipment outside, the device includes casing, fan, heater and dehumidifier, and the dehumidifier dehumidifies through the compressor, the casing includes inner shell and shell, and equipment sets up in the inner shell, is formed with the gas flow channel around inner shell dish cloth between casing inner shell and the shell, and the evaporimeter setting of dehumidifier has the water collector at the anterior segment position of gas flow channel, and the lower extreme intercommunication of evaporimeter has the water collector, and the both ends opening of gas flow channel all communicates with the inner shell is inside, the fan sets up in the inner shell, and the heater sets up in the wind channel of fan.

The device is arranged in the inner shell and the tightness of the shell is not strictly required. Air is circulated back and forth between the air flow passages in the inner shell to dehumidify moisture therein by the dehumidifier. The outer shell is integral with the inner shell and has a flow passage therethrough for air, the air flow passage being absent at a door position of the shell. The air is sucked into the air flow channel due to the negative pressure, the structure of the compressor is the common knowledge known to the public, the temperature of the air is reduced through the evaporator, the relative maximum humidity is reduced, water is separated out and flows into the water collector along the gravity, and the condenser can be arranged at the rear half section of the air channel to heat the air so as to improve the energy utilization rate and can also be directly communicated to the atmosphere. Specifically, the flow direction of the heated air heated by the condenser can be switched by a switching door so as to adapt to different temperatures. The air is pumped out of the air flow channel through the fan, and after the air flows out of the air flow channel, the air can be heated through the heater, so that the temperature of the equipment is increased, and condensation is further avoided. The whole equipment is mainly internally circulated, and the air is dehumidified by circulating and reciprocating under the ideal condition, so that the air drying can be ensured.

Preferably, the dehumidifier also comprises a controller, and the controller is respectively and electrically communicated with the heater, the fan and the dehumidifier. The controller can switch the temperature change speed, the existing temperature, humidity and humidity change speed according to the environment size through the internal calculation data, and heats and dehumidifies the inside or simultaneously starts or completely closes the inside.

Preferably, the heater is a PTC ceramic heating element. The PTC heating element has small thermal resistance, high heat exchange efficiency and high safety.

Preferably, the water collector is detachably connected with a sealing plug outside the housing, and the sealing plug is arranged at a position close to the bottom of the water collector. The water produced during dehumidification can be drained only by pulling out the sealing plug regularly.

Preferably, the water collector communicates with the drain passage. A U-shaped pipe is communicated with the drainage channel to form a liquid seal, so that external atmosphere is prevented from entering.

Preferably, a humidity sensor and a temperature sensor are arranged in the inner shell. The humidity and the temperature in the water are judged through the sensor, and then the water is regulated and controlled in real time, so that the water is more energy-saving and efficient compared with a normally open mode.

Preferably, the opening of the gas flow passage is arranged at a position close to the top of the inner shell, and the outlet of the gas flow passage is arranged at a position close to the bottom of the inner shell. The density of the heated air is smaller, the heated air enters the opening of the air flow passage after rising, and the air passage is formed by the circulation, so that the air circulation device has a better circulation effect.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the condensation phenomenon is eliminated through heating, dehumidifying and blowing modes, so that the reliability and the stability of the equipment are improved; (2) the controller controls the three to be started one by one according to the conditions, so that the energy-saving and high-efficiency effects are achieved.

Drawings

Fig. 1 is a schematic diagram of embodiment 1 of the present invention;

fig. 2 is a schematic view illustrating the connection between the heater and the heat dissipating fins according to the present invention;

fig. 3 is a schematic view of embodiment 2 of the present invention;

in the figure: the device comprises a device 1, a fan 2, a heater 3, a dehumidifier 4, a gas flow passage 5, a water collector 6, a sealing plug 7, a humidity sensor 8, a temperature sensor 9, a radiating fin 10 and a drainage channel 11.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1:

a dehumidification and dew removal device of an opening and closing station is shown in figures 1 and 2 and is used for removing moisture from equipment 1, the device is arranged outside the equipment 1, the device comprises a shell, a fan 2, a heater 3 and a dehumidifier 4, the dehumidifier 4 dehumidifies through a compressor, and the heater 3 is a PTC ceramic heating element. The PTC heating element has small thermal resistance, high heat exchange efficiency and high safety. The air conditioner also comprises a controller which is respectively and electrically communicated with the heater 3, the fan 2 and the dehumidifier 4. The controller can switch the temperature change speed, the existing temperature, humidity and humidity change speed according to the environment size through the internal calculation data, and heats and dehumidifies the inside or simultaneously starts or completely closes the inside.

A humidity sensor 8 and a temperature sensor 9 are arranged in the inner shell. The humidity and the temperature in the water are judged through the sensor, and then the water is regulated and controlled in real time, so that the water is more energy-saving and efficient compared with a normally open mode.

The casing includes inner shell and shell, and equipment 1 sets up in the inner shell, is formed with the gas flow channel 5 around inner shell dish cloth between casing inner shell and the shell, and the evaporimeter setting of dehumidifier 4 has water collector 6 at the anterior segment position of gas flow channel 5, and the lower extreme intercommunication of evaporimeter has water collector 6, and water collector 6 can be dismantled in the casing outside and be connected with sealing plug 7, sealing plug 7 sets up and is close to the bottom position at water collector 6. The water produced during dehumidification can be drained only by periodically pulling out the sealing plug 7. The openings at the two ends of the gas flow channel 5 are communicated with the inside of the inner shell, the fan 2 is arranged in the inner shell, and the heater 3 is arranged in an air channel of the fan 2.

The opening of the gas flow passage 5 is arranged at the position of the inner shell close to the top, and the outlet of the gas flow passage 5 is arranged at the position of the inner shell close to the bottom. The density of the heated air is smaller, the heated air enters the air flow channel 5 for opening after rising, and the air channel is formed by the circulation, so that the better circulation effect is achieved. The air outlet of the fan 2 is provided with a heat radiation fin 10, and the heater 3 is jointed with the heat radiation fin 10 through a heat pipe. Therefore, heat can be better dissipated into blown air, and the temperature is effectively increased.

The device 1 is arranged in an inner housing, the airtightness of which is not critical. Air is circulated back and forth between the air flow passages in the inner casing to dehumidify moisture therein by the dehumidifier 4. The outer shell is integral with the inner shell and has a flow passage therethrough for air, the air flow passage being absent at a door position of the shell. The air is sucked into the air flow channel due to the negative pressure, the structure of the compressor is the common knowledge known by the public, the temperature of the air is reduced through the evaporator, the relative maximum humidity is reduced, water is separated out and flows into the water collector 6 along the gravity, and the condenser can be arranged at the rear half section of the air channel to heat the air so as to improve the energy utilization rate and can also be directly led to the atmosphere. Specifically, the flow direction of the heated air heated by the condenser can be switched by a switching door so as to adapt to different temperatures. Air is pumped out of the air flow channel 5 through the fan 2, and after the air flows out of the air flow channel 5, the air can be heated through the heater 3, so that the temperature of the equipment 1 is increased, and condensation is further avoided. The whole device 1 is substantially internally circulating, and in an ideal case, the air is dehumidified by circulating and reciprocating, so that the air can be ensured to be dry.

Example 2:

as shown in fig. 3, this embodiment is different from embodiment 1 in that: the water collector 6 is communicated with a drainage channel 11. The drainage channel 11 is communicated through a U-shaped pipe to form a liquid seal, so that external atmosphere is prevented from entering.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the following claims.

Claims

1. The utility model provides a switching station dewfall device that dehumidifies for get rid of the moisture to equipment, characterized by, the device sets up in the equipment outside, the device includes casing, fan, heater and dehumidifier, the dehumidifier includes compressor and evaporimeter, the casing includes inner shell and shell, and equipment sets up in the inner shell, is formed with the gas flow channel around inner shell dish cloth between casing inner shell and the shell, and the evaporimeter setting of dehumidifier has the water collector at the anterior segment position of gas flow channel, and the lower extreme intercommunication of evaporimeter has the water collector, and the both ends opening of gas flow channel all communicates with the inner shell is inside, the fan sets up in the inner shell, and the heater sets up in the wind channel of fan.

2. The device of claim 1, further comprising a controller, wherein the controller is electrically connected to the heater, the blower and the dehumidifier.

3. The apparatus as claimed in claim 1, wherein the heater is a PTC ceramic heating element.

4. The device of claim 3, wherein the water collector is detachably connected with a sealing plug outside the housing, and the sealing plug is arranged at a position close to the bottom of the water collector.

5. The apparatus as claimed in claim 3, wherein the water collector communicates with the drain passage.

6. The apparatus as claimed in claim 5, wherein the inner case is provided with a humidity sensor and a temperature sensor.

7. The apparatus as claimed in claim 6, wherein the opening of the gas flow path is formed at a position near the top of the inner case, and the outlet of the gas flow path is formed at a position near the bottom of the inner case.