CN216413884U - Dehumidification equipment for cable trench of transformer substation - Google Patents
Dehumidification equipment for cable trench of transformer substation Download PDFInfo
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- CN216413884U CN216413884U CN202123152715.3U CN202123152715U CN216413884U CN 216413884 U CN216413884 U CN 216413884U CN 202123152715 U CN202123152715 U CN 202123152715U CN 216413884 U CN216413884 U CN 216413884U
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- cable trench
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- air inlet
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Abstract
Dehumidification equipment for transformer substation cable trench. Relate to substation equipment technical field, concretely relates to improves transformer substation's cable pit dehumidification equipment. The solar energy heat-absorbing plate is arranged below the toughened glass layer, and a mounting metal plate is arranged below the solar energy heat-absorbing plate; the fresh air component comprises an air inlet cover plate, an air outlet cover plate and a ventilation fan, the air inlet cover plate and the air outlet cover plate comprise a ventilation pipe and a cover plate, the ventilation pipe is vertically fixed on the cover plate, the ventilation pipe penetrates through the cover plate, and an air supply opening of the ventilation fan is connected with the upper end of the air inlet cover plate. The novel air conditioner has a good overall dehumidification effect, only a small amount of electric energy needs to be consumed for driving the fresh air assembly, the energy efficiency level is high, and energy is saved.
Description
Technical Field
The utility model relates to the technical field of transformer substation equipment, in particular to improvement of transformer substation cable trench dehumidification equipment.
Background
The cable trench of the transformer substation in the south area has the disadvantages that the weather is humid, the rainfall is abundant, the humidity in the cable trench is high, and the service life of equipment is influenced. The cable ditches in the transformer substation are under the ground level, tightly closed and almost completely unventilated, moist air is difficult to discharge, and field detection shows that the humidity of the cable ditches in the transformer substation is 70% -80%, the humidity range in which steel and steel bars in concrete are most easily corroded is 70% -80%, and when the relative humidity is less than 60%, the corrosion process is slow. The cable trench humidity that can discover in the transformer substation is great, and in the humidity range that the reinforcing bar that is in steel and concrete corrodes most easily, the cable support corrosion often can appear in the electric power facility of operation under the environment that is in high humidity for a long time, and the wall body shells, loosens, laps and damages and the base corrosion of terminal box phenomenons such as, reduces its running life, needs to maintain or change the equipment of corrosion, causes the waste. Moreover, water vapor can enter the switch cabinet through the cable duct to form condensation on high-voltage equipment, so that the safe and reliable operation of the power transformation equipment is threatened.
In the design of the cable trench of the transformer substation, in order to prevent small animals from entering and damaging power equipment, the cable trench is always designed in a sealing manner, no obvious gap exists between cover plates, the cable trench is generally positioned below the ground, the humidity is high, in addition, frequent raining occurs, accumulated water exists in the cable trench frequently, the cable trench is not provided with a good ventilation device, the ventilation performance of the cable trench is poor, moisture cannot evaporate through the exchange of internal air and external air, and the humidity of the cable trench is high. The traditional cable trench patrol of the transformer substation simply depends on manual patrol, generally comprises 2-3 people, and a cable trench cover plate is manually turned over to maintain and patrol the cable trench cover plate, so that time and labor are wasted.
Therefore, how to timely discharge the moist air in the cable trench to reduce the humidity has become a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides the dehumidification equipment for the cable trench of the transformer substation, which utilizes solar energy to heat the cable trench, accelerates the evaporation of moisture and can timely discharge the moisture in the cable trench.
The technical scheme of the utility model is as follows: the dehumidification equipment for the cable trench of the transformer substation comprises a fresh air assembly and a plurality of cable trench heating cover plates, wherein each cable trench heating cover plate comprises a frame and a plurality of layers of assemblies, each multilayer assembly further comprises a toughened glass layer arranged at the top, a solar heat absorption plate is arranged below the toughened glass layer, and a mounting metal plate is arranged below the solar heat absorption plate;
the fresh air component comprises an air inlet cover plate, an air outlet cover plate and a ventilation fan, the air inlet cover plate and the air outlet cover plate comprise a ventilation pipe and a cover plate, the ventilation pipe is vertically fixed on the cover plate, the ventilation pipe penetrates through the cover plate, and an air supply opening of the ventilation fan is connected with the upper end of the air inlet cover plate.
And a plurality of radiating fins are arranged on the lower surface of the metal plate.
The fresh air assembly further comprises a controller and a temperature and humidity sensor, the temperature and humidity sensor is used for transmitting signals to the controller, and the controller is used for controlling the ventilation fan.
The controller also comprises a water level sensor for monitoring the water level in the cable trench.
The air inlet cover plate and the opening of the air outlet cover plate are also provided with blocking nets.
And an air ball is also arranged above the air outlet.
The ventilation fan is an axial flow fan or a centrifugal fan.
The common cover plate on the cable trench is replaced by the partial cable trench heating cover plate and the air inlet and outlet cover plate, then the solar heat absorbing plate in the cable trench is used for absorbing sunlight, so that light energy is converted into heat energy, then the heat energy is guided into the cable trench through the lower metal plate, accumulated water and the like in the cable trench are heated, and the heat energy is converted into moist hot air; because the hot air is light and the cold air is heavy, the moist hot air can be extruded out of the cable trench by the fresh air introduced by the fresh air component.
The solar energy dehumidification system mainly utilizes solar energy to heat and atomize water in the cable trench, and then discharges fresh air, so that the overall dehumidification effect is good, only a small amount of electric energy needs to be consumed for driving the fresh air assembly, the energy efficiency level is high, and energy is saved.
Drawings
Figure 1 is a schematic view of an application of the utility model,
figure 2 is a perspective view of the cable duct heating cover assembly of the present invention,
fig. 3 is a schematic structural view of an air intake cover plate according to the present invention.
In the figure, 1 is a cable trench, 2 is a cable trench heating cover plate, 21 is a frame, 22 is a toughened glass layer, 23 is a solar heat absorbing plate, 24 is a metal plate, 31 is an air inlet cover plate, 32 is an air outlet cover plate, and 4 is a ventilation fan.
Detailed Description
The utility model is further explained with the attached figures 1-3, the utility model comprises a fresh air component and a plurality of cable trench heating cover plates, the cable trench heating cover plate 2 comprises a frame 21 and a multilayer component, the multilayer component also comprises a toughened glass layer 22 arranged at the top, a solar heat absorbing plate 23 is arranged below the toughened glass layer 22, and a metal plate 24 is arranged below the solar heat absorbing plate 23;
the fresh air component comprises an air inlet cover plate 31, an air outlet cover plate 32 and a ventilation fan 4, the air inlet cover plate 31 and the air outlet cover plate 32 comprise ventilation pipes and cover plates, the ventilation pipes are vertically fixed on the cover plates and run through the cover plates, and an air supply outlet of the ventilation fan 4 is connected with the upper end of the air inlet cover plate 31.
The common cover plate on the cable trench 1 is replaced by a part of the cable trench heating cover plate 2, the air inlet cover plate 31 and the air outlet cover plate 32, then the solar heat absorbing plate 23 in the cable trench is used for absorbing sunlight, so that light energy is converted into heat energy, then the heat energy is guided into the cable trench through the lower metal plate 24, accumulated water and the like in the cable trench 1 are heated, and the heat energy is converted into moist hot air; because the hot air is light and the cold air is heavy, the moist hot air can be extruded out of the cable trench 1 by the fresh air introduced by the fresh air component.
The solar energy-saving dehumidifying device mainly utilizes solar energy to heat and atomize water in the cable trench 1, and then the water is discharged along with fresh air, so that the overall dehumidifying effect is good, only a small amount of electric energy needs to be consumed for driving a fresh air assembly, the energy efficiency level is high, and energy is saved.
The lower surface of the metal plate 24 is provided with a plurality of radiating fins, and the radiating fins further increase the heat exchange efficiency and radiate more heat energy into the cable duct 1.
The fresh air component further comprises a controller and a temperature and humidity sensor, the temperature and humidity sensor is used for transmitting signals to the controller, the controller is used for controlling the ventilation fan 4, the temperature and humidity sensor can detect temperature and humidity, when the humidity is too high or the temperature is too high, the ventilation fan 4 is opened, and fresh air is introduced to adjust the humidity or the temperature in the cable trench 1.
The controller also comprises a water level sensor for monitoring the water level in the cable trench 1; when the flood season comes, rainfall increases rapidly, in order to prevent that the cable pit from gathering too much rainwater, utilize level sensor control, in case find the water level too high, the suggestion fortune dimension personnel manual intervention carries out the drainage.
The openings of the air inlet cover plate and the air outlet cover plate are also provided with blocking nets to prevent small animals from entering the cable trench.
Still be equipped with the wind ball above the air outlet, the wind ball has the ability of supplementary taking a breath, and supplementary taking a breath need not to open ventilation fan 4, energy saving in dry season.
The ventilating fan 4 is an axial flow fan or a centrifugal fan, and fans with the same air quantity and different lifts can be selected according to the scale size and the structure complexity of the cable trench.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (7)
1. The dehumidification equipment for the cable trench of the transformer substation comprises a fresh air assembly and a plurality of cable trench heating cover plates, and is characterized in that each cable trench heating cover plate comprises a frame and a plurality of layers of assemblies, each layer of assembly further comprises a toughened glass layer arranged at the top, a solar heat absorption plate is arranged below each toughened glass layer, and a mounting metal plate is arranged below each solar heat absorption plate;
the fresh air component comprises an air inlet cover plate, an air outlet cover plate and a ventilation fan, the air inlet cover plate and the air outlet cover plate comprise a ventilation pipe and a cover plate, the ventilation pipe is vertically fixed on the cover plate, the ventilation pipe penetrates through the cover plate, and an air supply opening of the ventilation fan is connected with the upper end of the air inlet cover plate.
2. The substation cable trench dehumidification device of claim 1, wherein a plurality of fins are provided on a lower surface of the metal plate.
3. The substation cable trench dehumidification device of claim 1, wherein the fresh air module further comprises a controller and a temperature and humidity sensor, the temperature and humidity sensor is configured to transmit a signal to the controller, and the controller is configured to control the ventilation fan.
4. The substation cable trench dehumidification device of claim 3, wherein the controller further comprises a water level sensor for monitoring a water level within the cable trench.
5. The substation cable trench dehumidification device of claim 1, wherein a barrier is further provided at the openings of the air inlet cover plate and the air outlet cover plate.
6. The substation cable trench dehumidification device of claim 1, further comprising a wind dome above the air outlet.
7. The substation cable trench dehumidification device of claim 1, wherein the ventilation fan is an axial fan or a centrifugal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123152715.3U CN216413884U (en) | 2021-12-14 | 2021-12-14 | Dehumidification equipment for cable trench of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123152715.3U CN216413884U (en) | 2021-12-14 | 2021-12-14 | Dehumidification equipment for cable trench of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216413884U true CN216413884U (en) | 2022-04-29 |
Family
ID=81283973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123152715.3U Active CN216413884U (en) | 2021-12-14 | 2021-12-14 | Dehumidification equipment for cable trench of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216413884U (en) |
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2021
- 2021-12-14 CN CN202123152715.3U patent/CN216413884U/en active Active
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