CN112198917A - Comprehensive control system for box-type substation - Google Patents
Comprehensive control system for box-type substation Download PDFInfo
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- CN112198917A CN112198917A CN202011247463.XA CN202011247463A CN112198917A CN 112198917 A CN112198917 A CN 112198917A CN 202011247463 A CN202011247463 A CN 202011247463A CN 112198917 A CN112198917 A CN 112198917A
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- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
The invention discloses a comprehensive control system for a box-type substation, which 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, the display is connected with 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, an instruction can be automatically sent to the execution mechanism through the first input module according to the first reference value and a comparison result of received real-time data, the operation port can manually send the instruction to the execution mechanism through the second input module, and when the second input module works, the first input module is automatically disconnected. 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
Technical Field
The invention relates to the field of substation control systems, in particular to a comprehensive control system for a 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.
Disclosure of Invention
The invention aims to provide an integrated control system for a box-type substation, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the 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 invention has the beneficial effects that:
1. according to the invention, 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 the 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, and therefore, 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;
2. the invention can automatically send instructions to the execution mechanism through the first input module by the controller to complete 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.
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 principles of various sensors in 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 illustrating the operation principle of the output of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, 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 principles of the temperature sensor, the humidity sensor and the electrostatic sensor are all shown in fig. 2, and in fig. 2, the PLC is a PLC programmable controller which can be used in the present invention.
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 (8)
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 by further comprising a wireless alarm, wherein the wireless alarm has a transmitting end and a receiving end, the transmitting end is located in the controller, the controller is further provided with a second reference value and a third reference value, the second reference value and the third reference value are respectively located at two ends of the first reference value and have the same difference with the first reference value, and when the real-time data received by the controller exceeds an interval surrounded 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.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247463.XA CN112198917A (en) | 2020-11-10 | 2020-11-10 | Comprehensive control system for box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247463.XA CN112198917A (en) | 2020-11-10 | 2020-11-10 | Comprehensive control system for box-type substation |
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| Publication Number | Publication Date |
|---|---|
| CN112198917A true CN112198917A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011247463.XA Pending CN112198917A (en) | 2020-11-10 | 2020-11-10 | Comprehensive control system for box-type substation |
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| CN (1) | CN112198917A (en) |
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2020
- 2020-11-10 CN CN202011247463.XA patent/CN112198917A/en active Pending
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