CN203812120U - A fan control box for open capacitor room - Google Patents

Abstract

The utility model discloses a fan control box for an open-type capacitor room. The control box comprises a sensor control module, a smoke sensor, an alarm, an air circuit breaker, multiple temperature and humidity sensors, multiple contactors and multiple fans. The smoke sensor, the alarm, the air circuit breaker, the temperature and humidity sensors and the contactors are connected with the sensor control module and the fans are correspondingly connected with the contactors respectively. The sensor control module receives output signals of the temperature and humidity sensors and controls the corresponding fans through the contactors. The sensor control module receives output signals of the smoke sensor and controls the alarm. By the use of the fan control box, the temperature of the capacitor room can be effectively reduced in time, so that the number of times of fault trips is reduced, capacitor faults caused by equipment aging are reduced, and the work efficiency of relevant workers is improved.

Description

A fan control box for open capacitor room

technical field

The utility model relates to heat dissipation equipment in the field of electric power, in particular to a fan control box for an open capacitor room. the

Background technique

As an important equipment in the substation, the capacitor is mainly responsible for adjusting the reactive load, improving the power factor of the power grid, improving the power quality, and ensuring the safe operation of the power grid. Therefore, how to ensure the safe and reliable operation of capacitors and reduce the probability of fault tripping is an important task in substation operation. The main factors that affect the safe and stable operation of capacitors include equipment aging, weather conditions, and poor operating conditions in capacitor rooms, which cause fuse blown and switch tripping and other faults. During the peak summer season, in the face of continuous high temperature, heavy load and other operating conditions, how to ensure the safe operation of capacitors has become the top priority of the work. the

Contents of the invention

The purpose of this utility model is to provide a fan control box for an open capacitor room, so as to effectively improve the operating environment of the capacitor in the power system. When the operating temperature of the capacitor in the high-temperature working environment is too high and exceeds the warning line, the utility model With the use of the fan control box, the capacitor room can cool down in a timely and effective manner, thereby reducing the number of equipment failure trips, reducing equipment failures caused by aging, and improving the work efficiency of relevant staff. the

In order to achieve the above object, the utility model is realized through the following technical solutions:

A fan control box for an open capacitor room, characterized in that the control box includes: a sensor control module, a smoke sensor, an alarm, an air circuit breaker, multiple temperature and humidity sensors, multiple contactors and multiple Fan; the above-mentioned smoke sensor, alarm, air circuit breaker, multiple temperature and humidity sensors, and multiple contactors are respectively connected to the above-mentioned sensor control module, and the above-mentioned multiple fans are correspondingly connected to the above-mentioned multiple contactors .

The above-mentioned sensor control module respectively receives the output signals of the above-mentioned multiple temperature and humidity sensors, and controls the corresponding above-mentioned multiple fans through the above-mentioned multiple contactors.

The above-mentioned sensor control module receives the output signal of the above-mentioned smoke sensor, and controls the above-mentioned alarm.

The above-mentioned sensor control module is connected with the host computer of the external centralized control center. The above-mentioned plurality of contactors are respectively connected to the above-mentioned air circuit breakers.

Compared with the prior art, the utility model has the following advantages: the fan control box for the open capacitor room can ensure that the average temperature in the capacitor room of the substation is kept at the normal working temperature for a long time in high temperature weather, so that the capacitor can work normally , Reduce the failure rate of capacitors, improve the efficiency of substations, and reduce the cost of work.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of a fan control box for an open capacitor room of the present invention.

Fig. 2 is a diagram of an embodiment of a fan control box for an open capacitor room of the present invention.

Detailed ways

The utility model will be further elaborated below by describing a preferred specific embodiment in detail in conjunction with the accompanying drawings.

As shown in Figure 1, a fan control box for an open capacitor room, the control box includes: a sensor control module 10, a smoke sensor 20, an alarm 30, an air circuit breaker 40, a plurality of temperature and humidity sensors 50, A plurality of contactors 60 and a plurality of fans 70; a smoke sensor 20, an alarm 30, an air circuit breaker 40, a plurality of temperature and humidity sensors 50, and a plurality of contactors 60 are respectively connected to the above-mentioned sensor control module 10, and the above-mentioned A plurality of blowers 70 are correspondingly connected to the above-mentioned plurality of contactors 60 .

The sensor control module 10 and a plurality of contactors 60 are all closed by the air circuit breaker 40 to obtain AC 220/380V power.

In actual use, a plurality of temperature and humidity sensors 50 and smoke sensors 20 are respectively installed in the open capacitor chamber to collect the working environment temperature of the capacitor in real time.

In this embodiment, the model of the sensor control module 10 is YNEN-HK, the model of the smoke sensor 20 is YNEN-SYW, and the model of the temperature and humidity sensor 50 is YNEN-WSJ-2.

The sensor control module 10 respectively receives the output signals of a plurality of temperature and humidity sensors 50 , and controls the corresponding plurality of fans 70 mentioned above through a plurality of contactors 60 .

The sensor control module 10 receives the output signal of the smoke sensor 20 and controls the alarm 30 .

The sensor control module 10 is connected with an external centralized control center host computer 80 . . The upper computer 80 of the centralized control center can remotely transfer the temperature and humidity record data and current temperature and humidity data, remotely obtain the current on-site fan operation status, and call the alarm record and fan start record. The plurality of contactors 60 are connected to the air circuit breakers 40, respectively.

In this embodiment, a plurality of temperature and humidity sensors 50 are respectively connected to the sensor control module 10 through the bus RS485; at the same time, the sensor control module 10 is connected to the external centralized control center host computer 80 through the bus RS485.

The working principle of a fan control box for an open capacitor room is as follows:

The sensor control module 10 sets temperature thresholds, humidity thresholds, and smoke alarm thresholds. In this embodiment, the temperature threshold is set to 35±5°C, and the humidity threshold is set to 65%RH.

Multiple temperature and humidity sensors 50 collect temperature and humidity signals in the open capacitor chamber and transmit them to the sensor control module 10 , and smoke sensors 20 collect smoke concentration signals in the open capacitor chamber and transmit them to the sensor control module 10 .

The sensor control module 10 judges whether the received temperature and humidity signal exceeds the set temperature threshold and humidity threshold, and triggers multiple contactors 60 .

The sensor control module 10 judges whether the received temperature and humidity signal exceeds the set temperature threshold and humidity threshold, and triggers a plurality of contactors 60; if the temperature and humidity signal exceeds the threshold, the sensor control module 10 triggers a plurality of contactors 60 to control the corresponding fan 70 Start, if the temperature and humidity signal drops below the threshold, the sensor control module 10 triggers multiple contactors 60 to control the corresponding fan 70 to stop.

The sensor control module 10 judges whether the received smoke concentration signal exceeds the set smoke alarm threshold, if the smoke concentration signal exceeds the threshold, the sensor control module 10 controls the alarm 30 to start, if the smoke concentration signal drops below the threshold, the sensor control The module 10 controls the alarm 30 to stop.

As shown in Figure 2, in high temperature weather, when the fan control box in the open capacitor room is actually working, the fan control box can control the temperature in the open capacitor room in real time and keep it at an average temperature of 33.5 for up to 60 days. The working environment temperature of ℃ effectively improves the operating efficiency of the open capacitor equipment and achieves the expected goal.

Although the content of the present invention has been described in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present invention. Various modifications and substitutions of the present utility model will be obvious to those skilled in the art after reading the above content. Therefore, the protection scope of the present utility model should be defined by the appended claims.

Claims (3)

1. the fan control box for open type capacitor chamber, it is characterized in that, this control box comprises: sensor control module (10), cigarette propagated sensation sensor (20), alarm (30), air-break (40), a plurality of Temperature Humidity Sensor (50), a plurality of contactor (60) and a plurality of blower fan (70); Described cigarette propagated sensation sensor (20), alarm (30), air-break (40), a plurality of Temperature Humidity Sensor (50), a plurality of contactor (60) are connected with described sensor control module (10) respectively, described a plurality of blower fans (70) respectively with the described corresponding connection of a plurality of contactors (60);

Described sensor control module (10) receives respectively the output signal of described a plurality of Temperature Humidity Sensors (50), by described a plurality of contactors (60), controls corresponding described a plurality of blower fans (70);

Described sensor control module (10) receives the output signal of described cigarette propagated sensation sensor (20), controls described alarm (30).

2. the fan control box for open type capacitor chamber as claimed in claim 1, is characterized in that, described sensor control module (10) is connected with outside centralized control center's host computer (80).

3. the fan control box for open type capacitor chamber as claimed in claim 1, is characterized in that, described a plurality of contactors (60) are connected with described air-break (40) respectively.