CN213690353U

CN213690353U - Comprehensive control system for box-type substation

Info

Publication number: CN213690353U
Application number: CN202022579475.4U
Authority: CN
Inventors: 熊丽; 何贤伟; 陈兵; 秦仁浩; 黄维成; 黄志刚; 赵进川; 蔡嘉伦
Original assignee: Wuhan Changxing Electrical Appliance Development Co ltd
Current assignee: Wuhan Changxing Electrical Appliance Development Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-13
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a comprehensive control system for box-type substation, including data acquisition device, digital analog converter, controller, display and actuating mechanism, digital analog converter connects between data acquisition device and controller, the display is connected with the controller, be equipped with the first input module who connects actuating mechanism in the controller, the display has display port and operation port, be equipped with the second input module who connects actuating mechanism in the operation port, wherein, be equipped with first benchmark value in the controller, according to this first benchmark value and its received real-time data's comparison result, send the instruction to actuating mechanism through first input module automatically, the operation port can be manual through second input module to the actuating mechanism send the instruction, and second input module during operation, first input module automatic disconnection. The system can conveniently adjust the working environment of the transformer substation, so that the climate adaptability of the transformer substation is higher, the failure rate is reduced, and the working efficiency is improved.

Description

Comprehensive control system for box-type substation

Technical Field

The utility model relates to a control system field of transformer substation, concretely relates to integrated control system for box-type substation.

Background

Along with the development of city expansion, the box-type substation is more and more used for the electric power transmission and transmission industry due to the advantages of compact structure, small floor area, short supervision and construction time period, low manpower and material resource investment and the like. The box-type transformer substation has a compact structure, so that the box-type transformer substation has the defects of poor heat dissipation, unsmooth ventilation and the like, and the transformer substation has insufficient weather adaptation capability in the actual use process, so that faults can often occur, and the working efficiency of a power distribution system is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a comprehensive control system for box-type substation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a comprehensive control system for a box-type substation comprises a data acquisition device, a digital-to-analog converter, a controller, a display and an execution mechanism, wherein the digital-to-analog converter is connected between the data acquisition device and the controller and used for converting real-time data acquired by the data acquisition device into digital quantity or analog quantity and transmitting the digital quantity or the analog quantity to the controller, the display is connected with the controller and used for displaying the real-time data received by the controller, a first input module connected with the execution mechanism is arranged in the controller, the display is provided with a display port and an operation port, a second input module connected with the execution mechanism is arranged in the operation port, a first reference value is arranged in the controller, and an instruction is automatically sent to the execution mechanism through the first input module according to the comparison result of the first reference value and the received real-time data, the operation port can manually send instructions to the execution mechanism through the second input module.

Preferably, for the integrated control system for the box-type substation, the data acquisition device is a temperature sensor, and the execution mechanism is a combination of a cooling fan and a heating component.

Preferably, for the integrated control system for the box-type substation, the data acquisition device is a humidity sensor, and the execution mechanism is a combination of a dehumidifier and a sprayer.

Preferably, for the comprehensive control system for the box-type substation, the data acquisition device is an electrostatic sensor, and the execution mechanism is an ion air nozzle.

Preferably, for the comprehensive control system for the box-type substation, the data acquisition device is a switching value acquisition device, and the execution mechanism is a contactor or a relay correspondingly arranged in each functional circuit.

Preferably, for the integrated control system for the box-type substation, the display is a touch screen display.

Preferably, the comprehensive control system for the box-type substation further comprises a wireless alarm, the wireless alarm is provided with a transmitting end and a receiving end, the transmitting end is located in the controller, a second reference value and a third reference value are further arranged in the controller, the second reference value and the third reference value are respectively located at two ends of the first reference value and are the same as the first reference value in difference, and when the real-time data received by the controller exceed an interval defined by the second reference value and the third reference value, the transmitting end of the wireless alarm sends an alarm signal to the receiving end.

Preferably, for the integrated control system for a box-type substation, a third input module connected with the controller is arranged in the operation port, and the first reference value, the second reference value and the third reference value can be manually set through the third input module.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, the controller compares its received real-time data that reflects the environmental factor in the transformer substation with its inside predetermined first benchmark value, according to the deviation condition of contrast result, automatically through first input module to actuating mechanism send the instruction, carry out corresponding regulation through actuating mechanism to the environment in the transformer substation, the environment of guaranteeing the transformer substation meeting satisfies its normal operating's demand all the time, therefore the transformer substation is extremely strong to the adaptability of environment and weather, can reduce the transformer substation and break down the frequency, improve distribution system's work efficiency;

2. the utility model discloses except that the automatic executive mechanism that sends the instruction of the first input module of controller accessible, accomplish the transformer substation and can the environmental adaptivity adjust, still can follow the operation port of display and send the instruction to the executive mechanism through the second input module is manual, realize the manual control to actuating mechanism, under this condition, when the controller breaks down, accessible manual control ensures transformer substation normal operating, strive for the time for the maintenance of controller, in addition still can satisfy under certain special circumstances (like the on-the-spot maintenance test) surpass the executive requirement outside the controller settlement procedure.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic diagram of the digital and analog input principle of each sensor of the present invention;

FIG. 3 is a schematic diagram of the switching value input principle of the present invention;

FIG. 4 is a schematic diagram of the execution principle of the development amount of the present invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a comprehensive control system for a box-type substation comprises a data acquisition device, a digital-to-analog converter, a controller, a display and an execution mechanism, wherein the digital-to-analog converter is connected between the data acquisition device and the controller and used for converting real-time data acquired by the data acquisition device into digital quantity or analog quantity and transmitting the digital quantity or the analog quantity to the controller, the display is connected with the controller and used for displaying the real-time data received by the controller, a first input module connected with the execution mechanism is arranged in the controller, the display is provided with a display port and an operation port, a second input module connected with the execution mechanism is arranged in the operation port, a first reference value is arranged in the controller, and an instruction is automatically sent to the execution mechanism through the first input module according to the comparison result of the first reference value and the received real-time data, the operation port can manually send instructions to the execution mechanism through the second input module.

In the system, the controller compares the received real-time data reflecting the environmental factors in the transformer substation with a first reference value preset in the controller, automatically sends an instruction to an execution mechanism through a first input module according to the deviation condition of a comparison result, and correspondingly adjusts the environment in the transformer substation through the execution mechanism, so that the environment of the transformer substation always meets the requirement of normal operation of the transformer substation, the adaptability of the transformer substation to the environment and climate is extremely strong, the frequency of faults of the transformer substation can be reduced, and the working efficiency of a power distribution system is improved; on the other hand, the controller can automatically send instructions to the execution mechanism through the first input module to finish the self-adaptive adjustment of the environment of the transformer substation, and can manually send instructions to the execution mechanism through the second input module from the operation port of the display to realize the manual control of the execution mechanism.

In one embodiment, the data acquisition device is a temperature sensor, and the execution mechanism is a combination of a cooling fan and a heating component. In the embodiment, the temperature sensor feeds back the acquired temperature data in the transformer substation to the controller, compares the acquired temperature data with a first standard value (at the moment, the first standard value is an optimal temperature value suitable for normal work of the transformer substation) in the controller, and according to the deviation condition of the first standard value and the first standard value, the first input module automatically sends an instruction to the heat dissipation fan or the heating assembly to realize heat dissipation or temperature rise in the transformer substation, so that the temperature in the transformer substation is corrected to the optimal temperature value represented by the first standard value.

In one embodiment, the data acquisition device is a humidity sensor, and the actuator is a combination of a dehumidifier and a sprayer. In the embodiment, the humidity sensor feeds back the acquired humidity data in the transformer substation to the controller, the humidity data is compared with a first standard value (at the moment, the first standard value is the optimal humidity value suitable for normal operation of the transformer substation) in the controller, and according to the deviation condition of the first standard value and the first standard value, the first input module automatically sends an instruction to the dehumidifier or the sprayer to realize dehumidification or humidification in the transformer substation, so that the humidity in the transformer substation is corrected to the optimal humidity value represented by the first standard value.

In one embodiment, the data acquisition device is an electrostatic sensor, and the execution mechanism is an ion air nozzle. In the embodiment, the static sensor feeds back the collected static charge data in the transformer substation to the controller, the static charge data is compared with a first standard value (at the moment, the first standard value is the optimal charge value suitable for normal work of the transformer substation) in the controller, and according to the deviation condition of the static charge data and the first standard value, the first input module automatically sends an instruction to the ion air nozzle to eliminate static in the transformer substation, so that the static charge value in the transformer substation is corrected to the optimal charge value represented by the first standard value.

The input principle of above-mentioned temperature sensor, humidity transducer and electrostatic sensor all is shown as figure 2, and in figure 2, PLC is for being used in the utility model provides a PLC programmable controller.

In one embodiment, the data acquisition device is a switching value acquisition device, and the execution mechanism is a contactor or a relay correspondingly arranged in each functional circuit. In the embodiment, the switching value collector collects a proper amount of functional circuits which work simultaneously in the transformer substation, namely the whole load condition of the transformer substation, the first reference value corresponds to the maximum load capacity of the transformer substation, and by comparing the data collected by the switching value collector with the first reference value, if the implemented switching value data is close to the maximum load capacity, an instruction is sent to a contactor or a relay of the corresponding functional circuit in time through the first input module, so that the load capacity of the transformer substation is adjusted, and the phenomenon that the transformer substation runs in an overload mode to generate faults is avoided, and the specific principle is shown in fig. 3 and 4.

In one embodiment, the display is a touch screen display.

In one embodiment, the wireless alarm device further comprises a wireless alarm device, the wireless alarm device is provided with a transmitting end and a receiving end, the transmitting end is located in the controller, a second reference value and a third reference value are further arranged in the controller, the second reference value and the third reference value are respectively located at two ends of the first reference value and are the same as the difference value of the first reference value, and when real-time data received by the controller exceed an interval defined by the second reference value and the third reference value, the transmitting end of the wireless alarm device sends an alarm signal to the receiving end. In the embodiment, the first reference value represents data most suitable for the work of the transformer substation, the second reference value and the third reference value represent two extreme values under the condition of ensuring the normal work of the transformer substation, taking temperature as an example, the second reference value and the third reference value represent a minimum temperature value and a maximum temperature value meeting the normal work requirement of the transformer substation, and when the minimum temperature value and the maximum temperature value are exceeded, the transformer substation cannot work normally.

In one embodiment, a third input module connected to the controller is disposed in the operation port, and the first reference value, the second reference value, and the third reference value can be manually set through the third input module. In the embodiment, an operator can adjust the reference values in the controller in advance according to factors such as seasonal changes, so that the automatic adjusting system of the controller, the first input module and the actuating mechanism is adaptive to seasonal characteristics.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A comprehensive control system for a box-type substation comprises a data acquisition device, a digital-to-analog converter, a controller, a display and an execution mechanism, wherein the digital-to-analog converter is connected between the data acquisition device and the controller and used for converting real-time data acquired by the data acquisition device into digital quantity or analog quantity and transmitting the digital quantity or the analog quantity to the controller, the display is connected with the controller and used for displaying the real-time data received by the controller, the comprehensive control system is characterized in that a first input module connected with the execution mechanism is arranged in the controller, the display is provided with a display port and an operation port, a second input module connected with the execution mechanism is arranged in the operation port, a first reference value is arranged in the controller, and an instruction is automatically sent to the execution mechanism through the first input module according to the comparison result of the first reference value and the received real-time data, the operation port can manually send an instruction to the execution mechanism through the second input module, and when the second input module works, the first input module is automatically disconnected.

2. The integrated control system for a substation cabinet according to claim 1, wherein the data acquisition device is a temperature sensor and the actuator is a combination of a heat dissipation fan and a heat generating component.

3. The integrated control system for a substation cabinet according to claim 1, wherein the data acquisition device is a humidity sensor and the actuator is a combination of a dehumidifier and a sprayer.

4. The integrated control system for a box-type substation of claim 1, wherein the data acquisition device is an electrostatic sensor and the actuator is an ion air nozzle.

5. The integrated control system for a box-type substation according to claim 1, wherein the data acquisition device is a switching value collector, and the actuating mechanism is a contactor or a relay correspondingly arranged in each functional circuit.

6. The integrated control system for a substation cabinet according to claim 1, characterized in that the display is a touch screen display.

7. The integrated control system for the box-type substation according to any one of claims 1 to 6, characterized in that, the integrated control system further comprises a wireless alarm, the wireless alarm has a transmitting end and a receiving end, the transmitting end is located in the controller, a second reference value and a third reference value are further arranged in the controller, the second reference value and the third reference value are respectively located at two ends of the first reference value, and the difference between the second reference value and the third reference value is the same as the difference between the first reference value and the second reference value.

8. The integrated control system for a substation cabinet according to claim 7, characterized in that a third input module is provided in the operation port for connecting the controller, and the first, second and third reference values are manually set through the third input module.