CN110109497B

Movatterモバイル変換

Info

Publication number: CN110109497B
Application number: CN201910284413.XA
Authority: CN
Inventors: 宋青东; 耿天普; 王亚洲; 李明; 刘明龙; 梁国际; 毕志勇
Original assignee: Jiaozuo Huafei Electronic & Electric Co ltd
Current assignee: Jiaozuo Huafei Electronic & Electric Co ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-10-30
Anticipated expiration: 2039-04-10
Also published as: CN110109497A

Abstract

The invention relates to an internal circulation voltage stabilization and stabilization control method for an electric control device in a high-altitude and low-temperature environment. The invention can effectively solve the defect that the operation environment adjustment inside the power distribution cabinet and the operation environment adjustment operation inside the power distribution cabinet can not be managed in a unified way on one hand, and the defect that the operation environment temperature adjustment operation inside the power distribution cabinet and the operation waste heat management and control of the electrical equipment inside the power distribution cabinet can not be managed in a unified way on the other hand, thereby greatly improving the precision and stability of the operation environment adjustment control operation of the power distribution cabinet under high altitude and low temperature environments, being beneficial to reducing the loss conditions of the energy consumption, the air pressure and the like of the equipment operation during the operation of the temperature adjustment operation of the power distribution cabinet, and further improving the stability and the reliability of the operation of the.

Description

Internal circulation voltage stabilization and stability control method for high-altitude and low-temperature environment electric control device

Technical Field

The invention relates to an internal circulation voltage stabilization and stabilization control method for an electric control device in a high-altitude and low-temperature environment, and belongs to the technical field of power transmission and transformation.

Background

In order to meet the requirements of stability and reliability of operation of a power distribution cabinet in a high-altitude low-voltage environment and a low-temperature environment, special supercharging equipment and temperature adjusting equipment are often added to power distribution cabinet equipment which operates in the environments, so that the stability of air pressure and temperature of the circuit operation environment in the power distribution cabinet is ensured, the defects of poor operation performance and equipment operation stability of each circuit equipment in the power distribution cabinet caused by the low-temperature environment and the low-pressure environment are overcome, and the stability and reliability of the operation of the power distribution cabinet equipment are improved. With the stability that improves the inside operational environment of switch board system, this kind of mode can effectively improve the stability of switch board operational environment, but there is unable unified management between the inside operational environment of switch board regulation and the switch board operational environment regulation operation on the one hand, on the other hand there is the inside operational environment temperature regulation operation of switch board and the inside electrical equipment operation waste heat management and control of switch board to manage in unison, thereby cause the inside operational environment of current switch board to adjust poor stability and control accuracy not enough, and the operation energy consumption of the inside environmental temperature regulation operation in the switch board is high and heat, losses such as pressure are serious. There is currently no professional and effective solution to this problem.

Therefore, in order to solve the problem, a management control method based on the stability adjustment of the operating environment of the special power distribution cabinet in the high-altitude and low-temperature environment is urgently needed to be developed,

disclosure of Invention

In order to overcome some defects in the prior classification technology, the invention provides an internal circulation voltage stabilization and stabilization control method for an electric control device in a high-altitude and low-temperature environment, so that the internal operation temperature, humidity and atmospheric pressure environment of a power distribution cabinet are stabilized, the control precision is improved, and the operation energy consumption of the operation of adjusting the internal operation temperature, humidity and atmospheric pressure environment of the power distribution cabinet is effectively reduced.

In order to achieve the above-mentioned effects, an internal circulation voltage stabilization control method for an electric control device in a high altitude and low temperature environment is provided, which comprises the following steps:

s1, collecting working place parameters, namely collecting the altitude, the annual air pressure value, the annual precipitation, the dominant wind direction and the annual temperature value of a working place of the power distribution cabinet, generating a natural environment data table, collecting the building structure, the space volume, the equipment arrangement structure and quantity, the pressure and temperature regulation capacity of protective equipment, the heat preservation capacity of the protective equipment and the ventilation capacity of the protective equipment on the outer part of the working place of the power distribution cabinet, generating a working environment data table, and comparing the natural environment data table with the working environment data table to obtain the operating internal environment regulation and control parameters of the power distribution cabinet;

s2, equipment hardware parameter statistics, namely firstly collecting the operating power and operating temperature parameters of each electrical component in the power distribution cabinet to generate a power distribution cabinet equipment operating parameter table, then collecting the heating power and the refrigerating power of the temperature and pressure regulating equipment and the supercharging capacity parameter of the pressure regulating equipment of the power distribution cabinet to generate a power distribution cabinet temperature and pressure regulating parameter table, and conveying and storing the power distribution cabinet equipment operating parameter table and the power distribution cabinet temperature and pressure regulating parameter table into a control circuit of the power distribution cabinet for later use;

s3, configuring hardware, namely, uniformly distributing a plurality of temperature sensors and air pressure sensors on the inner surface and the outer surface of protective equipment inside a power distribution cabinet and outside a work site of the power distribution cabinet, respectively adding at least one wind speed and wind pressure sensor and at least one humidity sensor on the outer surface of the protective equipment inside the power distribution cabinet and outside the work site of the power distribution cabinet, and respectively and electrically connecting the temperature sensors, the air pressure sensors, the wind speed and wind pressure sensors and the humidity sensors with a control circuit of the power distribution cabinet;

Further, in the step S1, the external protection device of the power distribution cabinet working site is any one of a container type transformer substation, an unmanned transformer substation, and a building structure.

Further, the temperature and pressure adjusting device equipped in the power distribution cabinet in the step S2 is one or more of an air conditioner, a booster pump, a hot air blower, and an irradiation heating mechanism.

Further, S3 step in, be located the inside temperature sensor of switch board, baroceptor, wind speed wind pressure sensor, humidity transducer all a plurality of to the equipartition is at each inside cavity top of switch board, and all establishes a temperature sensor, a baroceptor, a wind speed wind pressure sensor and a humidity transducer in every cavity, temperature sensor, baroceptor, wind speed wind pressure sensor, humidity transducer in each cavity connect in parallel each other.

Furthermore, in the step S5, when parameter adjustment is performed, the actual temperature, humidity, and air pressure values inside the power distribution cabinet are all smaller than the data of the power distribution cabinet equipment operation parameter table generated in the step S2 after difference calculation, on the one hand, the actual temperature and air pressure values inside the power distribution cabinet are larger than the temperature and air pressure values of the current external protection equipment of the power distribution cabinet working site, and the actual humidity values inside the power distribution cabinet are smaller than the humidity values of the current external protection equipment of the power distribution cabinet working site.

Furthermore, the actual temperature value in the power distribution cabinet is 0.5-5 ℃ lower than the data of the power distribution cabinet equipment operation parameter table generated in the step S2 and 1-5 ℃ higher than the temperature value of the current power distribution cabinet work site external protection equipment; the actual air pressure value in the power distribution cabinet is smaller than the air pressure value of the external protection equipment of the current power distribution cabinet working site by 0.1-0.5 MPa and is larger than the air pressure value of the power distribution cabinet equipment operation parameter table generated in the step S2 by 0.3-0.8 MPa; the actual humidity value in the power distribution cabinet is not more than 5%.

Further, in the step S6, after the power distribution cabinet is shut down and is in a standing state, the temperature in the power distribution cabinet is not lower than 0 ℃ and the humidity is not higher than 10%.

Drawings

The invention is described in detail below with reference to the drawings and the detailed description;

FIG. 1 is a flow chart of the method of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1

The internal circulation voltage stabilization and stabilization control method for the high-altitude and low-temperature environment electric control device as shown in fig. 1 comprises the following steps:

s1, collecting working place parameters, namely collecting the altitude, the annual air pressure value, the annual precipitation, the dominant wind direction and the annual temperature value of a working place of a power distribution cabinet, generating a natural environment data table, then collecting a brick-concrete structure-based manned power distribution room with the temperature regulation, pressure regulation and ventilation capabilities for the power distribution cabinet, collecting the building structure, the space volume, the equipment arrangement structure and quantity, the pressure and temperature regulation capabilities of protective equipment, the heat preservation capability of the protective equipment and the ventilation capability data of the protective equipment, generating a working environment data table, and then comparing the natural environment data table with the working environment data table data to obtain the internal environment regulation and control parameters of the power distribution cabinet;

s3, configuring hardware, first, uniformly distributing a plurality of temperature sensors and air pressure sensors on the inner surface and the outer surface of the protective equipment inside the power distribution cabinet and outside the work site of the power distribution cabinet, then respectively adding at least one wind speed and wind pressure sensor and at least one humidity sensor on the outer surface of the protective equipment inside the power distribution cabinet and outside the work site of the power distribution cabinet, then respectively and electrically connecting each temperature sensor, air pressure sensor, wind speed and wind pressure sensor and humidity sensor with the control circuit of the power distribution cabinet, and the temperature sensors, air pressure sensors, wind speed and wind pressure sensors and humidity sensors which are positioned inside the power distribution cabinet are all a plurality of and uniformly distributed on the top of each cavity inside the power distribution cabinet, and each cavity is internally provided with a temperature sensor, an air pressure sensor, a wind speed and wind pressure sensor, The wind speed and wind pressure sensor and the humidity sensor are connected in parallel;

In this embodiment, the temperature and pressure adjusting device equipped in the power distribution cabinet in the step S2 is any one or more of an air conditioner, a booster pump, a hot air blower, and an irradiation heating mechanism.

Further preferably, in the step S6, after the power distribution cabinet is shut down and is in a standing state, the temperature in the power distribution cabinet is not lower than 10 ℃ and the humidity is not higher than 8%.

Example 2

The internal circulation voltage stabilization and stabilization control method for the high-altitude and low-temperature environment electric control device comprises the following steps:

s1, collecting working place parameters, namely collecting the altitude, the annual air pressure value, the annual precipitation, the dominant wind direction and the annual temperature value of a working place of a power distribution cabinet, generating a natural environment data table, then collecting unattended power distribution rooms which are constructed for the power distribution cabinet and have the capabilities of temperature regulation, pressure regulation and ventilation and are based on a brick-concrete structure, collecting the data of the equipment structure, the space volume, the equipment arrangement structure and the quantity of the unattended power distribution rooms, the capabilities of pressure regulation and temperature regulation of protective equipment, the heat preservation capability of the protective equipment and the ventilation capability of the protective equipment, generating a working environment data table, and then comparing the natural environment data table with the working environment data table to obtain the internal environment regulation and control parameters of the power distribution cabinet;

Example 3

As shown in fig. 1, the internal circulation voltage stabilization and stabilization control method for the high altitude and low temperature environment electric control device comprises the following steps:

s1, collecting working place parameters, namely collecting the altitude, the annual air pressure value, the annual precipitation, the dominant wind direction and the annual temperature value of a working place of a power distribution cabinet, generating a natural environment data table, constructing an unattended container type transformer substation with temperature regulation, pressure regulation and ventilation capabilities and based on a brick-concrete structure for the power distribution cabinet, collecting the equipment structure, the space volume, the equipment arrangement structure and quantity, the pressure and temperature regulation capabilities of protective equipment, the heat preservation capability of the protective equipment and the ventilation capability of the protective equipment, generating a working environment data table, and comparing the natural environment data table with the working environment data table to obtain the internal environment regulation and control parameters of the power distribution cabinet;

Wherein, the temperature and pressure adjusting device equipped in the power distribution cabinet in the step S2 is any one or more of an air conditioner, a booster pump, a hot air blower and an irradiation heating mechanism.

In this embodiment, in the step S6, after the power distribution cabinet is shut down and is in a standing state, the temperature in the power distribution cabinet is not lower than 5 ℃ and the humidity is not higher than 3%.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The internal circulation voltage stabilization and stabilization control method for the high-altitude and low-temperature environment electric control device is characterized by comprising the following steps of: the internal circulation voltage stabilization and stabilization control method for the high-altitude and low-temperature environment electric control device comprises the following steps of:

s1, collecting working site parameters, namely collecting the altitude, the annual air pressure value, the annual precipitation, the dominant wind direction and the annual temperature value of the working site of the power distribution cabinet, generating a natural environment data table, collecting the building structure, the space volume, the equipment arrangement structure and quantity, the pressure and temperature regulation capacity of the protective equipment, the heat preservation capacity of the protective equipment and the ventilation capacity of the protective equipment on the external of the working site of the power distribution cabinet, generating a working environment data table, and comparing the natural environment data table with the working environment data table to obtain the operating internal environment regulation and control parameters of the power distribution cabinet;

2. The internal circulation voltage stabilization and stabilization control method for the high-altitude and low-temperature environment electric control device according to claim 1, characterized in that: in the step S1, the external protection device of the power distribution cabinet work site is any one of a container type transformer substation, an unmanned transformer substation, and a building structure.

3. The internal circulation voltage stabilization and stabilization control method for the high-altitude and low-temperature environment electric control device according to claim 1, characterized in that: and in the step S2, the temperature and pressure adjusting equipment equipped in the power distribution cabinet is any one or more of an air conditioner, a booster pump, a hot air blower and an irradiation heating mechanism.

4. The internal circulation voltage stabilization and stabilization control method for the high-altitude and low-temperature environment electric control device according to claim 1, characterized in that: s3 step in, be located the equal a plurality of temperature sensor, baroceptor, wind speed wind pressure sensor, the humidity transducer of switch board inside to the equipartition is at each inside cavity top of switch board, and all establishes a temperature sensor, a baroceptor, a wind speed wind pressure sensor and a humidity transducer in every cavity, temperature sensor, baroceptor, wind speed wind pressure sensor, humidity transducer in each cavity are parallelly connected each other.

5. The internal circulation voltage stabilization and stabilization control method for the high-altitude and low-temperature environment electric control device according to claim 1, characterized in that: and in the step S5, when parameter adjustment is carried out, the actual temperature, humidity and air pressure value inside the power distribution cabinet are all smaller than the operation parameter table data of the power distribution cabinet equipment generated in the step S2, on the other hand, the actual temperature and air pressure value inside the power distribution cabinet are larger than the temperature and air pressure value of the external protection equipment outside the work site of the current power distribution cabinet, and the actual humidity value inside the power distribution cabinet is smaller than the humidity value of the external protection equipment outside the work site of the current power distribution cabinet.

6. The internal circulation voltage stabilization and stabilization control method for the high-altitude and low-temperature environment electric control device according to claim 5, characterized in that: the actual temperature value in the power distribution cabinet is 0.5-5 ℃ lower than the data of the power distribution cabinet equipment operation parameter table generated in the step S2 and 1-5 ℃ higher than the temperature value of the current protection equipment outside the power distribution cabinet working site; the actual air pressure value in the power distribution cabinet is smaller than the air pressure value of the external protection equipment of the current power distribution cabinet working site by 0.1-0.5 MPa and is larger than the air pressure value of the power distribution cabinet equipment operation parameter table generated in the step S2 by 0.3-0.8 MPa; the actual humidity value in the power distribution cabinet is not more than 5%.

7. The internal circulation voltage stabilization and stabilization control method for the high-altitude and low-temperature environment electric control device according to claim 1, characterized in that: in the step S6, after the power distribution cabinet is shut down and is in a standing state, the temperature in the power distribution cabinet is not lower than 0 ℃ and the humidity is not higher than 10%.