Indoor energy efficiency management device for transformer substation

Abstract

The utility model provides an indoor energy efficiency management device for a transformer substation. The indoor energy efficiency management device comprises a controller and an air outlet pipe, the air outlet pipe penetrates through the indoor wall of the transformer substation, an outdoor air inlet pipe is arranged at the outdoor end of the air outlet pipe, an induced draft fan is arranged at the indoor end of the air outlet pipe, a second air valve is arranged in the outdoor air inlet pipe, a circulating air return pipe is arranged on the indoor side face of the air outlet pipe, and a first air valve is arranged in the circulating air return pipe. A humidifier used for humidifying air in the air outlet pipe is arranged on the air outlet pipe between the circulating air return pipe and the induced draft fan, and the induced draft fan, the first air valve, the second air valve and the humidifier are all connected with a controller. According to the utility model, the controller collects the outdoor and indoor humiture through the outdoor humiture sensor and the indoor humiture sensor, compares the outdoor and indoor humiture with preset values, automatically regulates and controls the indoor humiture, regulates the indoor humiture by using external air under certain conditions, and reduces energy consumption.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric power facilities, specifically relates to a transformer substation indoor energy efficiency management device. BACKGROUND

[0002] The equipment such as transformer, switch cabinet, relay protection device in transformer substation generates heat when operating, if temperature is too high, can cause insulation material aging, component performance to drop, even cause short circuit, fire and other accidents, usually control indoor temperature at 20~30 DEG C.If the indoor humidity of transformer substation is too high, then it is easy to cause the surface condensation of equipment, causes insulation breakdown, metal part corrosion or circuit short circuit, and if humidity is too low, then it can generate electrostatic discharge, interferes with the normal operation of precision electronic equipment, usually needs to control humidity at 40%~60%RH.

[0003] At present, the indoor temperature and humidity of transformer substation are regulated by dehumidifier, humidifier and air conditioner, and the energy consumption is high, if the outdoor air temperature and humidity of transformer substation are moderate, the outdoor air can be used to adjust the indoor temperature and humidity of transformer substation, and the energy consumption can be effectively reduced.

[0004] Therefore, it is necessary to design a transformer substation indoor energy efficiency management device which can automatically regulate and control, adjust indoor temperature and humidity under certain conditions, and reduce energy consumption to solve the technical problems existing in the prior art. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a transformer substation indoor energy efficiency management device which can automatically regulate and control, adjust indoor temperature and humidity under certain conditions, and reduce energy consumption.

[0006] The technical scheme of the utility model is as follows: a transformer substation indoor energy efficiency management device, comprising a controller and an air outlet pipe, wherein the air outlet pipe penetrates the indoor wall of transformer substation, one end of the air outlet pipe located outdoors is provided with an outdoor air inlet pipe, one end of the air outlet pipe located indoors is provided with an air guide fan, the inside of the outdoor air inlet pipe is provided with a second air valve, the side of the air outlet pipe located indoors is provided with a circulating return air pipe, the inside of the circulating return air pipe is provided with a first air valve, the air outlet pipe between the circulating return air pipe and the air guide fan is provided with a humidifier for humidifying the air inside, and the air guide fan, the first air valve, the second air valve and the humidifier are connected with the controller; the controller is connected with an outdoor temperature and humidity sensor, an indoor temperature and humidity sensor and an air conditioner.

[0007] The controller is connected with an exhaust window, the exhaust window is arranged on the indoor wall of transformer substation, and the exhaust window is opened or closed under the control of the controller.

[0008] The controller is connected with a data acquisition module, the outdoor temperature and humidity sensor and the indoor temperature and humidity sensor are connected with the data acquisition module.

[0009] The data acquisition module is connected with an illumination intensity sensor, and the controller is connected with a lighting lamp.

[0010] The controller is connected with a relay module, and the first air valve, the second air valve, the air drafter and the humidifier are connected with the relay module.

[0011] The controller is connected with a plurality of dehumidifiers, and the plurality of dehumidifiers are evenly distributed in the indoor substation.

[0012] The inside of the outdoor air inlet pipe is provided with a filter screen.

[0013] The utility model discloses beneficial effect has:

[0014] (1) in the utility model, the controller gathers the temperature and humidity of outdoor and indoor through the outdoor temperature and humidity sensor and the indoor temperature and humidity sensor and compares with the preset temperature upper limit value, humidity upper limit value and humidity lower limit value, and automatically controls the indoor temperature and humidity, and under certain conditions, the indoor temperature and humidity are adjusted by using external air, and the energy consumption is reduced.

[0015] (2) when the outdoor temperature and the indoor temperature are all higher than the upper limit value, the controller controls the indoor temperature to be reduced through the air conditioner at this moment, and the controller controls the indoor air humidity through the humidifier and the dehumidifier.

[0016] (3) when the indoor temperature is higher than the upper limit value, the outdoor temperature is lower than the upper limit value, and the outdoor humidity is between the humidity upper limit value and the humidity lower limit value, the first air valve is closed, the second air valve is opened at this moment, the low temperature air with moderate outdoor humidity is introduced into the indoor, and the purpose of reducing the indoor temperature is achieved.

[0017] (4) when the indoor temperature is higher than the upper limit value, the outdoor temperature is lower than the upper limit value, and the outdoor humidity is lower than the humidity lower limit value, the first air valve is closed, the second air valve is opened at this moment, the low temperature air with moderate outdoor humidity is introduced into the indoor, and the purpose of reducing the indoor temperature is achieved, and the humidifier is started, the air in the air outlet pipe is humidified, and then is discharged into the indoor, and the purpose of increasing the indoor humidity is achieved.

[0018] (5) when the indoor temperature is higher than the upper limit value, the outdoor temperature is lower than the upper limit value, and the outdoor humidity is higher than the humidity upper limit value, the controller controls the indoor temperature to be reduced through the air conditioner at this moment, and the controller controls the indoor air humidity through the dehumidifier. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the principle block diagram of the indoor energy efficiency management device of substation in the utility model.

[0020] Figure 2 Fig. 1 is a structural schematic diagram of an indoor energy efficiency management device of a transformer station in the utility model. DETAILED DESCRIPTION

[0021] Various exemplary embodiments of the present utility model will now be described in detail below with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and not as any limitation to the present utility model and its applications or uses. The present utility model can be realized in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that the present utility model is thorough and complete and fully conveys the scope of the present utility model to those skilled in the art. It should be noted that: unless otherwise specifically stated, the relative arrangement of components and steps, the composition of materials, numerical expressions and values set forth in these embodiments should be interpreted as merely exemplary and not as a limitation.

[0022] The "first", "second" and similar words used in the present utility model do not represent any order, quantity or importance, but are only used to distinguish different parts. "Include" or "contain" and similar words mean that the elements before the word cover the elements listed after the word and do not exclude the possibility of also covering other elements. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] As Figure 1 and 2As shown, the substation indoor energy efficiency management device comprises a controller 1 and an air outlet pipe 15; the air outlet pipe 15 penetrates the indoor wall of the substation, an outdoor air inlet pipe 17 is arranged at one end of the air outlet pipe 15 located outdoors, an air induction fan 10 is arranged at one end of the air outlet pipe 15 located indoors, a second air valve 9 is arranged in the outdoor air inlet pipe 17, a circulating return air pipe 16 is arranged on the side of the air outlet pipe 15 located indoors, a first air valve 8 is arranged in the circulating return air pipe 16, a humidifier 11 for humidifying the air in the air outlet pipe 15 is arranged between the circulating return air pipe 16 and the air induction fan 10, and the air induction fan 10, the first air valve 8, the second air valve 9 and the humidifier 11 are connected with the controller 1; the controller 1 is connected with an outdoor temperature and humidity sensor 5, an indoor temperature and humidity sensor 4 and an air conditioner 7; in this embodiment, the outdoor temperature and humidity sensor 5 and the indoor temperature and humidity sensor 4 detect the outdoor and indoor temperature and humidity respectively, and the controller 1 is preset with an upper limit value of temperature, an upper limit value of humidity and a lower limit value of humidity; when the outdoor and indoor temperatures are both higher than the upper limit value, the controller 1 controls the air conditioner 7 to reduce the indoor temperature, and the controller 1 controls the humidifier 11 and a dehumidifier 12 to regulate the indoor air humidity; when the indoor temperature is higher than the upper limit value, the outdoor temperature is lower than the upper limit value and the outdoor humidity is between the upper limit value of humidity and the lower limit value of humidity, the first air valve 8 is closed and the second air valve 9 is opened, so that the low-temperature air with moderate outdoor humidity is introduced into the indoor to reduce the indoor temperature; when the indoor temperature is higher than the upper limit value, the outdoor temperature is lower than the upper limit value and the outdoor humidity is lower than the lower limit value of humidity, the first air valve 8 is closed and the second air valve 9 is opened, so that the low-temperature air with moderate outdoor humidity is introduced into the indoor to reduce the indoor temperature, and the humidifier 11 is started to humidify the air in the air outlet pipe 15 and then discharged into the indoor to increase the indoor humidity; when the indoor temperature is higher than the upper limit value, the outdoor temperature is lower than the upper limit value and the outdoor humidity is higher than the upper limit value of humidity, the controller 1 controls the air conditioner 7 to reduce the indoor temperature, and the controller 1 controls the dehumidifier 12 to regulate the indoor air humidity; the controller 1 collects the outdoor and indoor temperature and humidity through the outdoor temperature and humidity sensor 5 and the indoor temperature and humidity sensor 4, compares the collected temperature and humidity with the preset upper limit value of temperature, upper limit value of humidity and lower limit value of humidity, and automatically regulates the indoor temperature and humidity, so that the indoor temperature and humidity are regulated by using the external air under certain conditions, thereby reducing the energy consumption.

[0024] In some embodiments, an exhaust window 14 is connected to the controller 1, the exhaust window 14 is arranged on the indoor wall of the substation, and the exhaust window 14 is opened or closed under the control of the controller 1; the controller 1 controls the exhaust window 14 to be opened when the air induction fan 10 introduces the outdoor air into the indoor, so that the indoor air is discharged to the outdoor, and the exhaust window 14 is kept in a closed state at other times to prevent the external air from entering; specifically, the exhaust window 14 can be a wind valve.

[0025] In some embodiments, the controller 1 is connected with a data acquisition module 6, the outdoor temperature and humidity sensor 5 and the indoor temperature and humidity sensor 4 are connected with the data acquisition module 6, and the data acquisition module 6 is used for analog-digital conversion and conversion of analog signals output by the outdoor temperature and humidity sensor 5 and the indoor temperature and humidity sensor 4 into digital signals.

[0026] In some embodiments, the data acquisition module 6 is connected with the light intensity sensor 3, the controller is connected with the lighting lamp 13, the top of the substation house is provided with a light window 19, and in the case that external light is sufficient, the lighting lamp 13 does not need to be turned on, so that the purpose of reducing energy consumption is achieved; the indoor environmental light intensity is collected through the light intensity sensor 3, and when the light intensity is lower than a set value in the controller 1, the controller 1 controls the lighting lamp 13 to be automatically turned on.

[0027] In some embodiments, the controller 1 is connected with a relay module 2, the first air valve 8, the second air valve 9, the air drafter 10 and the humidifier 11 are connected with the relay module 2, and the controller 1 indirectly controls the first air valve 8, the second air valve 9, the air drafter 10 and the humidifier 11 through control of on-off output of the relay module 2.

[0028] In some embodiments, the controller 1 is connected with a plurality of dehumidifiers 12, and the plurality of dehumidifiers 12 are uniformly distributed in the substation room; the number of the dehumidifiers 12 is determined according to the area of the substation room, and increasing the density of the dehumidifiers 12 can improve the dehumidification efficiency.

[0029] In some embodiments, the inside of the outdoor air inlet pipe 17 is provided with a filter screen 18, and the filter screen 18 can filter dust in the air entering the inside of the outdoor air inlet pipe 17, so that the dust enters the indoor power distribution station.

[0030] In the above embodiments, the controller 1 can adopt a PLC controller, and the air conditioner 7 and the controller 1 communicate through ModbusRTU or Modbus TCP.

[0031] So far, the embodiments of the utility model have been described in detail. In order to avoid shielding the concept of the utility model, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0032] The above-described embodiments only express some implementation manners of the utility model, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent. It should be pointed out that, for those skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A substation indoor energy efficiency management device, characterized in that: Including the controller and air outlet duct; The air outlet duct penetrates the indoor wall of the substation. An outdoor air inlet duct is installed at the outdoor end of the air outlet duct, and an induced draft fan is installed at the indoor end of the air outlet duct. A second air valve is installed inside the outdoor air inlet duct. A recirculating air return duct is installed on the indoor side of the air outlet duct. A first air valve is installed inside the recirculating air return duct. A humidifier for humidifying the air inside the air outlet duct is installed between the recirculating air return duct and the induced draft fan. The induced draft fan, the first air valve, the second air valve, and the humidifier are all connected to the controller. The controller is connected to an outdoor temperature and humidity sensor, an indoor temperature and humidity sensor, and an air conditioner.

2. The substation indoor energy efficiency management device according to claim 1, characterized in that: The controller is connected to an exhaust window, which is installed on the indoor wall of the substation. The exhaust window is opened or closed under the control of the controller.

3. The substation indoor energy efficiency management device according to claim 1, characterized in that: The controller is connected to a data acquisition module, and both the outdoor temperature and humidity sensor and the indoor temperature and humidity sensor are connected to the data acquisition module.

4. The substation indoor energy efficiency management device according to claim 3, characterized in that: The data acquisition module is connected to a light intensity sensor, and the controller is connected to a lighting lamp.

5. The substation indoor energy efficiency management device according to claim 1, characterized in that: The controller is connected to a relay module, and the first air valve, the second air valve, the induced draft fan, and the humidifier are all connected to the relay module.

6. The substation indoor energy efficiency management device according to claim 1, characterized in that: The controller is connected to several dehumidifiers, which are evenly distributed in the substation room.

7. The substation indoor energy efficiency management device according to claim 1, characterized in that: The outdoor air intake duct is equipped with a filter screen inside.

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