CN202583844U - Intelligent control circuit structure for substation environment safeguard - Google Patents

Intelligent control circuit structure for substation environment safeguard Download PDF

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Publication number
CN202583844U
CN202583844U CN 201220169033 CN201220169033U CN202583844U CN 202583844 U CN202583844 U CN 202583844U CN 201220169033 CN201220169033 CN 201220169033 CN 201220169033 U CN201220169033 U CN 201220169033U CN 202583844 U CN202583844 U CN 202583844U
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CN
China
Prior art keywords
cpu
sensor
connected
substation
circuit structure
Prior art date
Application number
CN 201220169033
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Chinese (zh)
Inventor
薛波
Original Assignee
无锡市华能电力机械有限公司
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Priority to CN 201220169033 priority Critical patent/CN202583844U/en
Application granted granted Critical
Publication of CN202583844U publication Critical patent/CN202583844U/en

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Abstract

The utility model provides an intelligent control circuit structure for substation environment safeguard. A CPU is connected with a temperature sensor, a humidity sensor, an SF6 sensor, a smoke sensor and an oxygen sensor by a signal conditioning circuit. The CPU is connected with an immersion sensor and a signal output terminal of a fire-prevention isolation gate valve by an I/O terminal. The CPU is connected with an air-conditioning by a 485 bus and connected with control terminals of a drainage pump and an exhaust fan by an I/O terminal. The CPU is connected with a substation computer and a centralized-control center computer by a local area network and connected with a fan by a frequency converter. The CPU is connected with an EEPROM memory for storing device parameters and connected with a GSM module. The advantages are that after sensors collect data, by analyzing data through the CPU, the system communicates an instruction to various devices of the substation, processes environmental parameter information of the whole operation environment of the substation in real time and transfers data to the centralized control center, thereby realizing intelligentized management to environmental quality control in the substation and safety operation safeguard of devices.

Description

Substation ensures the intelligence control circuit structure

Technical field

The utility model relates to a kind of intelligence control circuit structure, especially a kind of control system that can realize transformer station's indoor environmental quality control and safe operation are ensured intelligent management.

Background technology

At present, known transformer station is indoor is by cooling and heating air conditioner or heating rod, through aeration-cooling method and apparatus and dehumidifier the indoor dewfall of transformer station, stuffy and humidity etc. are handled.In the indoor eliminating dewfall of transformer station, maintenance ventilation and dehumidification treatments process; Cause one side air-conditioning and blower fan to lower the temperature, need heating more on the other hand, produce energy consumable contradiction each other; And substation equipment is the operational process of a uninterrupted continuation; Constantly produce heat, humidity and dewfall in the operation place, operation causes the unsafe factor of certain degree to substation equipment, therefore; Air-conditioning equipment, blower ventilation cooling system or heating rod firing equipment and dehumidification equipment continue to lower the temperature or work such as heating and dehumidifying with the operation of substation equipment, cause substation equipment severe energy waste and equipment operation potential safety hazard.And, cause the fault and the safety problem of substation equipment operation easily to the measure that do not have monitoring as yet, prevents and eliminate safe hidden trouble of environmental quality such as the indoor laying dust of transformer station, the fire prevention of electric capacity chamber, immersion and toxic gas gathering and safety guarantee problem.

Summary of the invention

The purpose of the utility model is can not central controlled problem in order to eliminate the indoor various environmental control equipments of transformer station; Provide a kind of substation to ensure the intelligence control circuit structure, the various device of transformer station is carried out centralized control through sensor, CPU and gsm module.

According to the technical scheme that the utility model provides, said substation ensures the intelligence control circuit structure, is made up of various sensors, CPU and gsm module.Said CPU is through signal conditioning circuit and temperature sensor, humidity sensor, SF 6Sensor, smoke transducer and oxygen sensor link to each other; Said CPU links to each other through the signal output part of I/O port with immersion sensor and anti-fire screen gate valve; Said CPU links to each other with air-conditioning through 485 buses; Said CPU links to each other with the control end of unwatering pump and exhaust fan through the I/O port, and said CPU is controlled centralized computer and linked to each other the gsm module that said CPU is connected with the eeprom memory of memory device parameter and is used to send alarming short message with collecting through LAN and transformer station computer.Said CPU connects blower fan through frequency converter.

The utility model has the advantages that: this system analyzes data through central processing unit through after the sensor acquisition data, passes on to instruct the various device of transformer station, to temperature, humidity, immersion, the SF in the indoor whole service environment of transformer station 6Information such as toxic gas, smog, the fire prevention of electric capacity chamber and air quality are handled in real time, and data are sent to collection control center, reach the purpose of the intelligent management that transformer station's indoor environmental quality control and equipment safety operation are ensured.

Description of drawings

Fig. 1 is the utility model electrical structure synoptic diagram.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

As shown in Figure 1, the described substation of the utility model ensures that the intelligence control circuit structure is by temperature sensor, humidity sensor, SF 6Sensor, smoke transducer, oxygen sensor, immersion sensor, anti-fire screen gate valve, signal conditioning circuit, CPU, eeprom memory and gsm module are formed.Temperature sensor, humidity sensor, SF 6Sensor, smoke transducer and oxygen sensor link to each other with CPU through signal conditioning circuit; The signal output part of immersion sensor and anti-fire screen gate valve links to each other with CPU through the I/O port; CPU links to each other with air-conditioning through 485 buses; CPU links to each other with the control end of unwatering pump and exhaust fan through the I/O port, and CPU is controlled centralized computer through LAN and transformer station computer with collection and linked to each other, and CPU passes through frequency converter connection blower fan.Eeprom memory connects CPU, is used for the memory device parameter.CPU also connects gsm module.

The concrete function and the course of work of circuit structure are following.

Aeration-cooling function: when indoor environment temperature≤30 ℃, temperature sensor is sent to CPU through signal conditioning circuit with data, and CPU opens through the Frequency Converter Control blower fan, utilize natural wind to indoor carry out aeration-cooling.

Refrigeration cool-down function: when indoor environment temperature>30 ℃ times; Temperature sensor is sent to CPU through signal conditioning circuit with data; CPU opens air-conditioning through the RS485 bus, and when temperature sensor detected indoor environment temperature≤30 ℃, CPU sent instruction and closes air-conditioning.

Dehumidification function: when indoor environment humidity raises; Humidity sensor is sent to CPU through signal conditioning circuit with data; CPU opens the operation of air conditioner dehumidification function through 485 buses, and when ambient humidity reached standard in the humidity sensor sensing chamber, dehumidification function quit work.

Functions of expelling toxin: work as SF 6Sensor is to indoor SF 6During concentration over-standard, SF 6Sensor is sent to CPU through signal conditioning circuit with data, and CPU sends instruction and opens exhaust fan, the indoor SF that contains 6Air is discharged by exhaust fan, SF 6The indoor SF of sensor 6After concentration reaches standard, exhaust fan stop working.

Function of smoking alarm: when smoke transducer detected indoor smog and exceeds standard, smoke transducer was sent to CPU through signal conditioning circuit with data, and CPU sends instruction, sends alarming short message through gsm module.

Oxygenation function: when oxygen sensor detects indoor oxygen concentration when on the low side; Oxygen sensor is sent to CPU through signal conditioning circuit with data, and CPU sends instruction, opens blower fan; After oxygen concentration reached standard in the oxygen sensor sensing chamber, blower fan quit work.

Drain function: the accident of immersion takes place in transformer station, and the immersion sensor arrives ponding in the transformer station, and the immersion sensor is sent to CPU through signal conditioning circuit with data; CPU sends instruction; The opening water discharge pump carries out draining, the immersion sensor to decline of water table after safe range; Pass the signal to CPU, close unwatering pump.

The fireproof alarming function: after anti-fire screen gate valve was closed, the shutdown signal of anti-fire screen gate valve was sent to CPU through the I/O port, and CPU sends instruction, sends alarming short message through gsm module.

The system intelligent degree that the utility model designed is high, control strategy is flexible, easy to operate, security performance is reliable, accident alarming is rapid and power equipment is safe and reliable to operation.This system adopts high performance central processor CPU; Powerful data acquisition and high-speed figure fractional analysis have been formed; Thoroughly solve and eliminated factors such as the indoor high temperature of transformer station, humidity, improper ventilation, dewfall, dust accretions, the fire prevention of electric capacity chamber, immersion, toxic gas gathering and cause hidden danger transformer station's indoor environmental quality, equipment safety operation; Through Based Intelligent Control, realized transformer station's unmanned truly to substation equipment.In emergency circumstances through the remote emergency management, to the on-the-spot index parameter of indoor environment before accident is carried out analysis and judgement in advance the repairing personnel, effectively improve indoor environment, personnel gain time for repairing, shorten the accident treatment time.

Claims (2)

1. substation ensures the intelligence control circuit structure, comprises CPU, it is characterized in that: said CPU is through signal conditioning circuit and temperature sensor, humidity sensor, SF 6Sensor, smoke transducer and oxygen sensor link to each other; Said CPU links to each other through the signal output part of I/O port with immersion sensor and anti-fire screen gate valve; Said CPU links to each other with air-conditioning through 485 buses; Said CPU links to each other with the control end of unwatering pump and exhaust fan through the I/O port, and said CPU is controlled centralized computer and linked to each other the gsm module that said CPU is connected with the eeprom memory of memory device parameter and is used to send alarming short message with collecting through LAN and transformer station computer.
2. substation ensures the intelligence control circuit structure according to claim 1, it is characterized in that, said CPU connects blower fan through frequency converter.
CN 201220169033 2012-04-19 2012-04-19 Intelligent control circuit structure for substation environment safeguard CN202583844U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220169033 CN202583844U (en) 2012-04-19 2012-04-19 Intelligent control circuit structure for substation environment safeguard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220169033 CN202583844U (en) 2012-04-19 2012-04-19 Intelligent control circuit structure for substation environment safeguard

Publications (1)

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CN202583844U true CN202583844U (en) 2012-12-05

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103092155A (en) * 2012-12-13 2013-05-08 长安大学 Device and system of wireless remote measuring and control
CN103198625A (en) * 2013-03-28 2013-07-10 国家电网公司 Sulfur hexafluoride (SF6) leakage alarm system based on global system for mobile communication (GSM) short message module
CN103440007A (en) * 2013-08-30 2013-12-11 国家电网公司 Transformer substation environment monitoring system
CN103792903A (en) * 2013-08-15 2014-05-14 黑龙江傲立辅龙科技开发有限公司 Computer-based monitoring system
CN103941785A (en) * 2014-04-25 2014-07-23 国网上海市电力公司 Method for controlling intelligent control device for power distribution station environment
CN103307708B (en) * 2013-05-31 2016-05-04 南京瑞科特电气有限责任公司 A kind of prefabricated equipment compartment intelligent environment control system and control method thereof
CN106340155A (en) * 2016-09-27 2017-01-18 合肥海诺恒信息科技有限公司 Auxiliary management system for incident emergency processing
CN104238522B (en) * 2014-09-18 2017-09-26 国家电网公司 A kind of substation equipment fault location system based on GPS
CN109584497A (en) * 2018-11-29 2019-04-05 石狮市瑞力机械科技有限公司 A kind of frequency converter based on internet and with long-range monitoring fireproof alarming function

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103092155A (en) * 2012-12-13 2013-05-08 长安大学 Device and system of wireless remote measuring and control
CN103198625A (en) * 2013-03-28 2013-07-10 国家电网公司 Sulfur hexafluoride (SF6) leakage alarm system based on global system for mobile communication (GSM) short message module
CN103307708B (en) * 2013-05-31 2016-05-04 南京瑞科特电气有限责任公司 A kind of prefabricated equipment compartment intelligent environment control system and control method thereof
CN103792903A (en) * 2013-08-15 2014-05-14 黑龙江傲立辅龙科技开发有限公司 Computer-based monitoring system
CN103440007A (en) * 2013-08-30 2013-12-11 国家电网公司 Transformer substation environment monitoring system
CN103941785A (en) * 2014-04-25 2014-07-23 国网上海市电力公司 Method for controlling intelligent control device for power distribution station environment
CN104238522B (en) * 2014-09-18 2017-09-26 国家电网公司 A kind of substation equipment fault location system based on GPS
CN106340155A (en) * 2016-09-27 2017-01-18 合肥海诺恒信息科技有限公司 Auxiliary management system for incident emergency processing
CN109584497A (en) * 2018-11-29 2019-04-05 石狮市瑞力机械科技有限公司 A kind of frequency converter based on internet and with long-range monitoring fireproof alarming function

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