CN202797851U - Substation cable trench ventilation/moisture removal device - Google Patents

Abstract

The utility model provides a substation cable communication air and moisture removal device, which comprises a cable trench cover plate provided with an air vent, an explosion-proof axial flow fan and a ventilation duct arranged on the air vent, wherein the cable trench cover plate It includes a connecting plate with vents on the top and four isosceles trapezoidal side plates, the four isosceles trapezoidal side plates are respectively arranged on the edges of the connecting plate, and the isosceles trapezoidal side plates are slightly inclined downwards, The explosion-proof axial flow fan is provided with a sealing cover with an opening at the bottom, and the opening is set corresponding to the ventilation opening. The side wall of the sealing cover is provided with an exhaust hole, and the ventilation duct is provided on the exhaust hole. The substation cable communication wind and moisture drainage equipment has the advantages of scientific design, strong practicability, simple use and good moisture drainage effect.

Description

Substation Cable Communication Wind and Tide Exhaust Equipment

technical field

The utility model relates to a dehumidification device for cable trenches, in particular to a dehumidification device for cable communication wind in a substation.

Background technique

At present, there is a lack of dynamic monitoring for cable trenches in most substations and cable interlayers in the lower part of switch cabinets. Due to moisture and other reasons, it is easy to cause corrosion of electrical equipment and protective devices, reduce the insulation strength of equipment, and cause flashover of equipment in substations, etc. Accidents seriously affect the safety of power supply and the healthy operation of equipment. With the development of the information technology era, intelligent substations have been vigorously promoted, and intelligent monitoring of high-voltage electrical equipment has developed rapidly. In order to solve the above existing problems, people have been seeking an ideal technical solution.

In order to solve the above existing problems, people have been seeking an ideal technical solution.

Contents of the invention

The purpose of the utility model is to address the deficiencies of the prior art, thereby providing a substation cable communication wind and moisture drainage device with scientific design, strong practicability, simple use and good moisture drainage effect.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a substation cable communication wind and moisture removal equipment, which includes a cable trench cover plate provided with a vent, an explosion-proof axial flow fan and a ventilator arranged on the vent pipeline, wherein the explosion-proof axial flow fan is provided with a sealing cover with an opening at the bottom, the opening is set corresponding to the vent, the side wall of the sealing cover is provided with an exhaust hole, and the exhaust hole is provided with the ventilation duct.

Based on the above, the cable trench cover plate includes a connecting plate with a vent on the top and four isosceles trapezoidal side plates, the four isosceles trapezoidal side plates are respectively arranged on the edge of the connecting plate, and the isosceles trapezoidal side plates The trapezoidal side panels are set with a slight downward slope.

Based on the above, the outlet of the ventilation duct is provided with a rotating shaft, and the rotating shaft is operatively connected with an outlet baffle.

Based on the above, it also includes a control system, the control system includes a humidity sensor module, a microprocessor module connected to the humidity sensor, an indicator light and a power supply connected to the microprocessor module, the humidity sensor module It is arranged at the bottom of the cable trench cover, the microprocessor module is connected with the explosion-proof axial flow fan, and the power supply device is respectively connected with the humidity sensor module, the microprocessor module, the indicator light and the Explosion-proof axial flow fan connection described above.

Based on the above, it also includes a wireless transceiver module and a data processing module having the wireless transceiver module, the wireless transceiver module is connected to the microprocessor module, and the wireless transceiver module communicates with the data processing module.

Compared with the prior art, the utility model has substantive characteristics and progress. Specifically, the utility model includes a cable trench cover plate provided with a ventilation opening, an explosion-proof axial flow fan and a ventilation duct arranged on the ventilation opening. The flow fan and ventilation pipe can effectively extract the humid gas in the underground cable trench, which has the advantages of scientific design, strong practicability, simple use and good moisture removal effect.

Description of drawings

Fig. 1 is the structural representation of the utility model of embodiment 1.

Fig. 2 is a structural schematic diagram of the control system and the explosion-proof axial flow fan in Embodiment 2.

Detailed ways

The technical solutions of the present invention will be further described in detail through specific implementation methods below.

Example 1

As shown in Fig. 1, a kind of substation cable communication air and moisture exhaust equipment, it comprises the cable trench cover plate 1 that is provided with ventilation opening, the explosion-proof axial flow fan 3 that is arranged on described ventilation opening and ventilation duct 4, wherein, the The explosion-proof axial flow fan 3 is provided with a sealing cover 2 with an opening at the bottom, the opening is set corresponding to the vent, the side wall of the sealing cover 2 is provided with an exhaust hole, and the ventilation duct is arranged on the exhaust hole 4.

Based on the above, in order to prevent the cable trench cover 1 from accumulating too much water in rainy days, the cable trench cover 1 includes a connecting plate with a vent on the top and four isosceles trapezoidal side plates, and the four isosceles trapezoidal side plates The side plates are respectively arranged on the edges of the connecting plates, and the isosceles trapezoidal side plates are slightly inclined downwards, so that rainwater can be discharged in time from the slope composed of four isosceles trapezoidal side plates.

Based on the above, in order to prevent foreign matter from entering the ventilation duct 4, the outlet of the ventilation duct 4 is provided with a rotating shaft, and the rotating shaft is connected with an outlet baffle 5. When the explosion-proof axial flow fan 3 works, the gas generated pushes away the The outlet baffle 5 is described.

Based on the above, the working power supply of the explosion-proof axial flow fan 3 is provided by the terminal box of the substation using commercial power.

Example 2

As shown in Figure 2, on the basis of Embodiment 1, the present embodiment adds a control system, the control system includes a humidity sensor module, a microprocessor module connected with the humidity sensor, and a microprocessor module connected with the humidity sensor indicator light, a wireless transceiver module, a data processing module with a wireless transceiver module and a power supply unit, the humidity sensor module is arranged at the bottom of the cable trench cover, the microprocessor module is connected to the explosion-proof axial fan, and the The wireless transceiver module is connected with the microprocessor module, the wireless transceiver module communicates with the data processing module, and the power supply device is respectively connected with the humidity sensor module, the microprocessor module, the indicator light and the The explosion-proof axial flow fan is connected.

Based on the above, the humidity sensor module is used to collect the humidity signal in the cable trench, convert the collected humidity signal into an electrical signal and send it to the microprocessor module.

Based on the above, after the microprocessor module receives the electrical signal, it judges that if the humidity in the cable trench is too high, it turns on the explosion-proof axial fan to remove moisture, and issues a command to control the blinking of the indicator light.

Based on the above, after receiving the electrical signal, the microprocessor module judges that if the humidity of the cable trench is too high, it sends an alarm signal to the wireless transceiver module.

Based on the above, the wireless transceiver module communicates the received alarm signal to the data processing module.

Based on the above, after the data processing module receives the alarm signal, after analysis, it sends an instruction to the microprocessor module through the wireless transceiver module on it, and after the microprocessor module receives the instruction, it turns on the The above-mentioned explosion-proof axial fan is used for dehumidification, and a command is issued to control the flashing of the indicator light.

The indicator light is connected to the microprocessor module and lights up under normal conditions, and flashes when the exhaust fan is working.

The cable trench dehumidification device can not only automatically complete the dehumidification work through the microprocessor module, but also complete the dehumidification work through the data processing module. A plurality of said devices are connected to the same data processing module, which facilitates the monitoring and daily moisture removal of unattended cable trenches.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model and not limit it; although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should understand that: still The specific implementation of the utility model can be modified or some technical features can be equivalently replaced; without departing from the spirit of the technical solution of the utility model, all of them should be included in the scope of the technical solution claimed by the utility model.

Claims (5)

1. A substation cable communication wind and tide removal equipment is characterized in that: it includes a cable trench cover plate provided with an air vent, an explosion-proof axial fan and a ventilation duct arranged on the air vent, wherein the explosion-proof axial flow The fan is provided with a sealing cover with an opening at the bottom, and the opening is set corresponding to the ventilation opening, and the side wall of the sealing cover is provided with an exhaust hole, and the ventilation duct is arranged on the exhaust hole. 2. The substation cable communication wind and moisture removal equipment according to claim 1, characterized in that: the cable trench cover plate includes a connecting plate with a vent on the top and four isosceles trapezoidal side plates, the four equal The side plates of isosceles trapezoidal shape are arranged on the edges of the connecting plates respectively, and the side plates of isosceles trapezoidal shape are slightly inclined downward. 3. The substation cable communication wind and moisture removal equipment according to claim 1, characterized in that: the outlet of the ventilation pipe is provided with a rotating shaft, and the rotating shaft is connected with an outlet baffle. 4. according to claim 1 or 2 or 3 described substation cable communication wind and tide removal equipment, it is characterized in that: it also comprises control system, and described control system comprises humidity sensor module, the microprocessor that is connected with described humidity sensor module, an indicator light connected to the microprocessor module and a power supply unit, the humidity sensor module is arranged at the bottom of the cable trench cover, the microprocessor module is connected to the explosion-proof axial flow fan, and the power supply The device is respectively connected with the humidity sensor module, the microprocessor module, the indicator light and the explosion-proof axial flow fan. 5. The substation cable communication wind and tide removal device according to claim 4, characterized in that: it also includes a wireless transceiver module and a data processing module with a wireless transceiver module, and the wireless transceiver module is connected with the microprocessor module , the wireless transceiver module communicates with the data processing module.

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