CN105652931A - Intelligent adjustment system for metal-enclosed middle-arrangement switchgear of substation and adjustment method of intelligent adjustment system - Google Patents

Intelligent adjustment system for metal-enclosed middle-arrangement switchgear of substation and adjustment method of intelligent adjustment system Download PDF

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Publication number
CN105652931A
CN105652931A CN201610189303.1A CN201610189303A CN105652931A CN 105652931 A CN105652931 A CN 105652931A CN 201610189303 A CN201610189303 A CN 201610189303A CN 105652931 A CN105652931 A CN 105652931A
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China
Prior art keywords
air
temperature
dehumidifying
switch cabinet
central switch
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Granted
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CN201610189303.1A
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Chinese (zh)
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CN105652931B (en
Inventor
叶秋诗
叶宏
严石
凌端伟
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Anhui seven sea Intelligent Control Technology Co. Ltd.
Tongling Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Wuxi Qihai Intelligent Control Technology Co Ltd
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Priority to CN201610189303.1A priority Critical patent/CN105652931B/en
Publication of CN105652931A publication Critical patent/CN105652931A/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means

Abstract

The invention relates to an intelligent adjustment system for a metal-enclosed middle-arrangement switchgear of a substation and an adjustment method of the intelligent adjustment system. The intelligent adjustment system comprises a main machine device, an input pipe and an output pipe, the main machine device comprises a box body and a temperature adjustment device and a humidity adjustment device arranged in the box body, the box body is provided with an air input opening and an air output opening, the air input opening is connected with the air output end of the metal-enclosed middle-arrangement switchgear through the input pipe, and the air output opening is connected with the air input end of the metal-enclosed middle-arrangement switchgear through the output pipe. The intelligent adjustment system has the functions of removing moisture, adjusting the temperature and preventing electric equipment from getting dirty, and wet and hot air in the switchgear is sucked through a sealed pipe, so that moisture is removed, the temperature is controlled and dirt in the air in the switchgear is removed, and safety and reliability of operation of the power grid are really improved.

Description

Transformer station's armouring central switch cabinet intelligent regulating system and control method thereof
Technical field
The present invention relates to switch cubicle dehumidifying technology field, be specifically related to transformer station's armouring central switch cabinet intelligent regulating system and control method thereof.
Background technology
Transformer station's armouring central switch cabinet belongs to high voltage distribution installation; by bus in its cabinet, connect row, dolly, chopper and the parts such as disconnecting link and control protective unit are set up and are divided into each electrical separation cell by steel plate, insulating part; for collecting, distribute electric energy and detection and automatically excising fault etc., it it is the important component part of transformer station, generating plant stand. The armouring central switch cabinet used at present is compact to design, alternate and distance to the ground is little, the insulation of each parts, cooling requirements height, insulation and moisture, dust-proof and cooling never obtain essence and solve, the practical situations such as armouring central switch cabinet there is problems in that 1, be short-circuited in armouring central switch cabinet, ground connection or electric discharge flashover happen occasionally, having evolved to change the degree of insulating part in cabinet, humidity directly jeopardizes electrical equipment safe operation comprehensively. 2, the electronic equipment operating ambient temperature such as the protection in armouring central switch cabinet, observing and controlling is too high and busbar junction, the local heat radiation of switch contact and the spring overheated (supercool) of operating mechanism occur Flexible change to cause contact to compress and opening velocity change etc., and high temperature equally also directly jeopardizes electrical equipment safe operation. 3, adopting industry dehumidifier to dehumidify to switch gear room, the dampness in switch cubicle is difficult to remove, and during industry dehumidifier summer operation, dry-air blast outlet temperature reaches about 53 DEG C, and the heat effect that accumulation causes can make in-cabinet temperature local raise, and in-cabinet temperature can be made more to raise. 4, air conditioner dehumidification cooling is installed in switch gear room by part power supply enterprise, and the ventilation bottom switch gear room's wall, explosion-proof glazing is closed. When be short-circuited in cabinet fault time, with the huge energy release occurred, will be ventilated by switch gear room, explosion proof window leaks and discharges, and directly jeopardizes operational outfit outside window or staff.
Summary of the invention
It is an object of the invention to provide the system of a kind of transformer station armouring central switch cabinet intelligent regulating system and armouring central switch cabinet composition and control method thereof, there is the function of dehumidifying, temperature control, dust-proof and dedusting, by seal pipeline suction switch cubicle endogenous dampness, heat and carry out dehumidifying containing dusty air, temperature control, dust-proof and air cleaning, it is achieved electrical equipment safe and reliable operation in armouring central switch cabinet.
For achieving the above object, present invention employs techniques below scheme:
Transformer station's armouring central switch cabinet intelligent regulating system, including host apparatus, input channel and output channel, described host apparatus includes casing and the temp and humidity regulator being located in casing, described casing is provided with air-in and air-out, described air-in is connected with the air outfan being positioned at armouring central switch cabinet top by input channel, and described air-out is connected with the air input being positioned at bottom armouring central switch cabinet by output channel.
The inside of described casing is provided with air cleaning dehumidifying room and air cleaning and dehumidifies the collection chamber that the inner circulating air diversion chamber that room is connected is connected with inner circulating air diversion chamber and the dry and cold purification air output room being connected with collection chamber, described air-in and air-out are all located at the bottom of casing, and air-in is connected with described air cleaning dehumidifying room, air-out exports room with described dry and cold purification air and is connected.
Described temp and humidity regulator includes being located at the indoor dehydrating unit of described air cleaning dehumidifying and being located in described collection chamber and be provided with internal recycle pair enter centrifugal blower, and the air inlet of air outlet and described dry and cold purification air output room that described internal recycle pair enters centrifugal blower is connected.
Described dehydrating unit includes dehumidify double; two air intake centrifugal blower fan, dehumidifier and dehumidifying compressor, and the air inlet of the double; two air intake centrifugal blower fan of described dehumidifying is corresponding with air-in, and its air outlet is connected with the air inlet of described dehumidifier.
Described air cleaning dehumidifying indoor are provided with cleaning filtration screen of air, and described cleaning filtration screen of air is that plug-in type is connected with casing.
Described dehumidifier includes condenser and vaporizer, and the air inlet of described condenser is connected by the air outlet of the double; two air intake centrifugal blower fan of blower fan kuppe and described dehumidifying, described dehumidifier be connected with condensed water water-collecting tray.
It is provided with the first board-like sensible heat exchanger between described air cleaning dehumidifying room and inner circulating air diversion chamber, between described inner circulating air diversion chamber and collection chamber, is provided with the second board-like sensible heat exchanger.
Described casing is divided into upper and lower two-layer, and described dry and cold purification air output room and air cleaning dehumidifying room are positioned at the lower floor of casing, and described inner circulating air diversion chamber is positioned at the right side of casing and closes on mutually with described collection chamber and air cleaning dehumidifying room.
The front side of described first board-like sensible heat exchanger and the second board-like sensible heat exchanger is equipped with air cooling axial flow blower, and rear side is equipped with air intake louver.
On described air intake louver and the inner side of air cooling axial flow blower is equipped with water atomization plant.
Temperature sensor and humidity sensor it is mounted in described collection chamber and air-in; The pressure piping of described dehumidifying compressor and low pressure pipeline are mounted on high and low pressure protection sensor, mounting temperature sensor on described dehumidifying compressor pressure piping near exhaust outlet of compressor; The hydrophilic aluminium foil fin of described dehumidifier is respectively mounted temperature sensor.
A kind of transformer station armouring central switch cabinet intelligent adjusting method, comprises the following steps:
(A) start, the double; two air intake centrifugal blower fan of internal recycle is by the crawl frequency startup optimization adjusted, air cooling axial flow blower and the double; two air intake centrifugal blower fan of dehumidifying are by frequency startup optimization of adjusting, dehumidified after 180 seconds compressor start power frequency operation, and power frequency operation the first setting time enters automatic control state after making air in armouring central switch cabinet fully circulate;
(B) after entering automatic control state, the air epidemic disaster extracted out it is arranged in the temperature and relative humidity detection armouring central switch cabinet of air-in position in host apparatus, when Air Temperature, humidity value are respectively lower than the first temperature stopping setting valve and the first humidity stopping setting valve, then host apparatus enters resting state;When Air Temperature, humidity value respectively reach the second temperature setting valve and the second humidity setting valve, then the double; two air intake centrifugal wind of dehumidifying runs according to variations in temperature variable frequency starting, dehumidifying compressor start power frequency operation, the double; two air intake centrifugal blower fan of internal recycle is by the crawl frequency startup optimization adjusted, and air cooling axial flow blower runs according to variations in temperature variable frequency starting;
(C) when in armouring central switch cabinet air themperature raise reach temperature control three start setting valve time, high-pressure atomization water pump is by the startup adjusted, dwell time gap startup optimization; When the air themperature reduction in armouring central switch cabinet reaches the 4th temperature stopping setting valve, the work out of service of high-pressure atomization water pump;
(D) current temperature value in the detection of the temperature sensor on the hydrophilic aluminium foil fin of dehumidifier host apparatus, if current temperature value reduce reach the first molten frost adjust temperature value time, dehumidifying compressor is out of service, if current temperature value higher than second appearance frost adjust temperature value time, and the dehumidifying compressor shutdown time is beyond after Preset Time, and whether the temperature and relative humidity detection humidity value logical judgment dehydrating unit installed according to air-in position dehumidifies operation;
(E) when overheated, overcurrent condition occurs in the motor of temp and humidity regulator and water atomization plant, then temp and humidity regulator and high-pressure atomization water pump are out of service, and send corresponding protection switch alarm signal; When if frequency conversion fault occurs in temp and humidity regulator, then the motor inverter of temp and humidity regulator is out of service, and sends corresponding failure alarm signal;
(F) host apparatus controls logical mistake or machine of delaying, certainly open 3 times continuously cannot recover, then the double; two air intake centrifugal blower fan of internal recycle and air cooling axial flow blower automatically switch to power frequency operation, and dehumidifying compressor, the double; two air intake centrifugal blower fan of dehumidifying and water atomization plant power supply disconnect, and send alarm signal.
Further, described 3rd temperature actuated setting valve >=the 4th temperature stops temperature actuated setting valve >=the first temperature of setting valve >=the second and stops setting valve.
Further, step (C) is further comprising the steps of afterwards:
(C1), when the temperature sensor detection temperature on the pressure piping near dehumidifying exhaust outlet of compressor raises and reaches the 5th temperature shutdown setting valve, dehumidifying compressor is out of service and sends the too high alarm signal of temperature; Its temperature sensor detection temperature reduce reach the 6th temperature actuated setting valve and meet simultaneously dehumidifying compressor shutdown time >=time delay in 240 seconds after, whether the temperature and relative humidity detection humidity value logical judgment installed again depending on air-in tuyere position dehumidifies operation;
(C2) the high voltage protective sensor detection force value on the pressure piping of compressor that dehumidifies raises when reaching the first high voltage protective shutdown setting valve, and dehumidifying compressor and the double; two air intake centrifugal blower fan of dehumidifying are simultaneously out of service, and send alarm signal accordingly;
(C3), when the low-voltage variation sensor detection force value reduction on the low pressure pipeline of compressor that dehumidifies reaches the 3rd low-voltage variation shutdown setting valve, dehumidifying compressor and dehumidifying pair air intake centrifugal blower fan are simultaneously out of service, and send alarm signal accordingly.
As shown from the above technical solution, the present invention can meet iron-clad switchgear and run the humidity to environment, the technology requirement of temperature and removing air filth, significantly improve electric equipment operation security reliability, cold dry air input total pipeline and damp-heat air delivery trunk road are arranged in underground or cable duct, the seasonal temperature change below earth's surface is utilized to change in the armouring central switch cabinet of contrary rule and spray water air cooling way and closing space with electric equipment operation temperature requirements much smaller than space, switch gear room and open dehumidifying and cooling mode, transformer station's armouring central switch cabinet intelligent regulating system is energy-saving and cost-reducing clearly, Operation of Electric Systems maintenance cost is greatly reduced.
Accompanying drawing explanation
Fig. 1 is the system diagram of the present invention;
Fig. 2 is the front view of the host apparatus of the present invention;
Fig. 3 is the internal structure schematic diagram of Fig. 2;
Fig. 4 is the sectional view of A-A in Fig. 2;
Fig. 5 is the right view of Fig. 3;
Fig. 6 is dehumidifying and cooling air flow schematic diagram in armouring central switch cabinet side-looking.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
As shown in figs. 1 to 6, transformer station's armouring central switch cabinet intelligent regulating system, including host apparatus 1, input channel 2 and output channel 3, host apparatus 1 includes casing and the epidemic disaster adjustment device being located in casing, casing is provided with air-in 15 and air-out 16, air-in 15 is connected with the air outfan being positioned at armouring central switch cabinet top by input channel 2, and air-out 16 is connected with the air input being positioned at bottom armouring central switch cabinet by output channel 3. Owing to air outfan is positioned at the top of switch cubicle, air input is positioned at the bottom of switch cubicle, so this internal recycle dehumidification cooling wind is from forming " malleation " feeding at the bottom of switch cubicle, air in cabinet is kept to consistently form malleation, to improve the dehumidifying of intelligent regulating system, temperature control, dust-proof and dust removing effects.
As shown in Figure 2, the inside of this casing is provided with air cleaning dehumidifying room 11 and air cleaning and dehumidifies the collection chamber 13 that the inner circulating air diversion chamber 12 that room 11 is connected is connected with inner circulating air diversion chamber 12 and the dry and cold purification air output room 14 being connected with collection chamber 13, air-in 15 and air-out 16 are all located at the bottom of casing, and air-in 15 is connected with air cleaning dehumidifying room 11, air-out 16 exports room 14 with dry and cold purification air and is connected.
This epidemic disaster regulate device include being located at the dehydrating unit in air cleaning dehumidifying room 11 and be located in collection chamber 13 to be provided with internal recycle double; two enter centrifugal blower 131, internal recycle double; two enter the air outlet of centrifugal blower 131 be connected with the air inlet of dry and cold purification air output room 14. This dehydrating unit includes dehumidify double; two air intake centrifugal blower fan 111, dehumidifier 112 and dehumidifying compressor 113, and the air inlet of the double; two air intake centrifugal blower fan 111 of dehumidifying is corresponding with air-in 15, and its air outlet is connected with the air inlet of dehumidifier 112. Dehumidifier 112 includes condenser and vaporizer, and the air inlet of condenser is connected by the air outlet of blower fan kuppe 115 and the double; two air intake centrifugal blower fan 111 of dehumidifying, dehumidifier 112 be connected with condensed water water-collecting tray 116.
Being provided with cleaning filtration screen of air 114 in air cleaning dehumidifies room 11, cleaning filtration screen of air 114 is that plug-in type is connected with casing. Dehumidify in air cleaning and be provided with the first board-like sensible heat exchanger 17 between room 11 and inner circulating air diversion chamber 12, between inner circulating air diversion chamber 12 and collection chamber 13, be provided with the second board-like sensible heat exchanger 18.
The casing of the present embodiment is divided into upper and lower two-layer, and dry and cold purification air output room 14 and air cleaning dehumidifying room 11 are positioned at the lower floor of casing, and inner circulating air diversion chamber 12 is positioned at the right side of casing and closes on collection chamber 13 and air cleaning dehumidifying room 11 phase. The front side of the first board-like sensible heat exchanger 17 and the second board-like sensible heat exchanger 18 is equipped with air cooling axial flow blower 19, and rear side is equipped with air intake louver 10. On air intake louver 10 and the inner side of air cooling axial flow blower 19 be equipped with water atomization plant 118, this water atomization plant 118 include atomization water tank and atomization high-pressure pump. It is mounted on temperature sensor and humidity sensor in collection chamber 13 and air-in 15;The pressure piping of dehumidifying compressor 113 and low pressure pipeline are mounted on high and low pressure protection sensor, mounting temperature sensor on the dehumidifying compressor 113 pressure piping near exhaust outlet of compressor; The hydrophilic aluminium foil fin of dehumidifier 112 is respectively mounted temperature sensor.
The method of this transformer station's armouring central switch cabinet Intelligent adjustment, comprises the following steps:
S1: start, the double; two air intake centrifugal blower fan 131 of internal recycle is by the crawl frequency startup optimization adjusted, air cooling axial flow blower 19 and the double; two air intake centrifugal blower fan 111 of dehumidifying are by frequency startup optimization of adjusting, dehumidified after 180 seconds compressor start power frequency operation, runs entrance automatic control state after the first setting time makes air in armouring central switch cabinet fully circulate;
S2: after entering automatic control state, the air epidemic disaster extracted out it is arranged in the temperature and relative humidity detection armouring central switch cabinet of air-in tuyere position in host apparatus 1, when air epidemic disaster in armouring central switch cabinet is respectively lower than the first temperature stopping setting valve and the first humidity stopping setting valve, then host apparatus 1 enters resting state. During resting state, at interval of the second setting time section, the double; two air intake centrifugal blower fan 131 of internal recycle is by the crawl frequency startup optimization adjusted, and runs the first setting time;
In this step, the air epidemic disaster extracted out in the temperature and relative humidity detection armouring central switch cabinet that air-in position is installed, when the air humidity rising in armouring central switch cabinet reaches the second humidity startup setting valve, the double; two air intake centrifugal blower fan 131 crawl frequency startup optimization of internal recycle, the double; two air intake centrifugal blower fan 111 of dehumidifying changes variable frequency starting with condenser temperature and runs, and dehumidified after 180 seconds compressor start at interval. When the air humidity reduction in armouring central switch cabinet reaches the first humidity stopping setting valve, the double; two air intake centrifugal blower fan 131 of internal recycle, the double; two air intake centrifugal blower fan 111 of dehumidifying is out of service with the compressor 113 that dehumidifies.
The air epidemic disaster extracted out in the temperature and relative humidity detection armouring central switch cabinet that air-in tuyere position is installed, when the air themperature rising in armouring central switch cabinet reaches the second temperature actuated setting valve, the double; two air intake centrifugal blower fan 131 of internal recycle and air cooling axial flow blower 19 all run with variations in temperature variable frequency starting in armouring central switch cabinet. When the air themperature reduction in armouring central switch cabinet reaches the first temperature stopping setting valve, the double; two air intake centrifugal blower fan 131 of internal recycle and air cooling axial flow blower 19 are out of service.
S3: the air epidemic disaster extracted out in the temperature and relative humidity detection armouring central switch cabinet that air-in tuyere position is installed, when the air themperature rising in armouring central switch cabinet reaches three temperature actuated setting valves, high-pressure atomization water pump gap startup optimization, high-pressure atomization water pump operation is out of service after reaching the 3rd setting time, starts periodic duty then through the 4th setting time. When the air themperature reduction in armouring central switch cabinet reaches the 4th temperature stopping setting valve, high-pressure atomization water pump stops circular flow work. When the water pressure sensor at high-pressure atomization pump intake place detects tap water pressure lower than the first atomized water setting value of pressure, high-pressure atomization water pump forbids that running and send accordingly " atomization hydropenia " reports to the police.
Air themperature setting valve logical relation in armouring central switch cabinet: the 3rd temperature actuated setting valve >=temperature control four stops temperature actuated setting valve >=the first temperature of setting valve >=the second and stops setting valve.
S4: the temperature sensor detection temperature on the pressure piping near dehumidifying exhaust outlet of compressor raises and reaches the 5th temperature shutdown setting valve, dehumidifying compressor is out of service and sends " dehumidifying compressor 113 Tail Pipe Temperature is too high " accordingly reports to the police; Its temperature sensor detection temperature reduce reach the 6th temperature actuated setting valve and meet simultaneously dehumidifying compressor 113 downtime >=time delay in 240 seconds after, whether the temperature and relative humidity detection humidity value logical judgment installed again depending on air-in tuyere position dehumidifies operation;
S5: when the high voltage protective sensor detection force value rising on the pressure piping dehumidifying compressor 113 reaches the first high voltage protective shutdown setting valve, the compressor 113 that dehumidifies is simultaneously out of service with the double; two air intake centrifugal blower fan 111 of dehumidifying, and sends " dehumidifying compressor 113 pipeline high voltage protective action " warning accordingly;
S6: when the low-voltage variation sensor detection force value reduction on the low pressure pipeline of dehumidifying compressor 113 reaches the 3rd low-voltage variation shutdown setting valve, the compressor 113 that dehumidifies is simultaneously out of service with the double; two air intake centrifugal blower fan 111 of dehumidifying, and sends " dehumidifying compressor 113 pipeline low-voltage variation action " warning accordingly;
S7: the temperature sensor detection temperature on the vaporizer hydrophilic aluminium foil fin of two devices that dehumidify reduce reach the first molten frost adjust temperature value time; dehumidifying compressor 113 is out of service; its temperature sensor detection temperature raise reach the second molten frost adjust temperature value time and meet simultaneously dehumidifying compressor 113 downtime >=time delay in 240 seconds after, whether the temperature and relative humidity detection humidity value logical judgment installed again depending on air-in tuyere position dehumidifies operation.
S8: the double; two air intake centrifugal blower fan 131 motor power frequency operation of internal recycle overheated (crossing stream) protection catalyst action; internal recycle pair air intake centrifugal blower fan 131 is out of service, and sends " the double; two air intake centrifugal blower motor of internal recycle overheated (crossing stream) protection switch motion " warning accordingly.
The double; two air intake centrifugal blower fan 131 motor power frequency operation of internal recycle overheated (crossing stream) protection catalyst action; internal recycle pair air intake centrifugal blower fan 131 is out of service, and sends " the double; two air intake centrifugal blower motor of internal recycle overheated (crossing stream) protection switch motion " warning accordingly. The double; two air intake centrifugal blower fan 111 motor power frequency operation of dehumidifying overheated (crossing stream) protection catalyst action; dehumidifying compressor 113 and the double; two air intake centrifugal blower fan 111 of dehumidifying are simultaneously out of service, and send " double; two air intake centrifugal blower motor that dehumidifies overheated (crossing stream) protection switch motion " warning accordingly. Dehumidify compressor 113 motor overheating (cross and flow) protection switch motion, and dehumidifying compressor 113 is simultaneously out of service with dehumidifying pair air intake centrifugal blower fan 111, and sends " protection switch motion (is crossed and flow) to dehumidifying compressor motor overheating " warning accordingly. Air cooling axial flow blower 19 motor power frequency operation overheated (cross and flow) protection catalyst action, air cooling axial flow blower 19 is out of service, and sends " air cooling Axial-flow fan motor overheated (crossing stream) protection switch motion " warning accordingly. High-pressure atomization pump motor overheated (cross and flow) protection switch motion, high-pressure atomization water pump is out of service, and sends " atomized water pump motor overheated (crossing stream) protection switch motion " warning accordingly;
S9: air cooling axial flow blower 19 motor inverter fault, air cooling axial flow blower 19 motor inverter is out of service, air cooling axial flow blower 19 is switched to power frequency operation by VFC by contact apparatus of mechanical interlock, and sends " air cooling Axial-flow fan motor frequency converter failure " warning accordingly.
The double; two air intake centrifugal blower fan 131 motor inverter fault of internal recycle, double; two air intake centrifugal blower fan 131 motor inverter of internal recycle is out of service, double; two for internal recycle air intake centrifugal blower fans 131 are switched to power frequency operation by VFC by contact apparatus of mechanical interlock, and send " the double; two air intake centrifugal blower motor frequency converter failure of internal recycle " warning accordingly; Air cooling axial flow blower 19 motor inverter fault, air cooling axial flow blower 19 motor inverter is out of service, air cooling axial flow blower 19 is switched to power frequency operation by VFC by contact apparatus of mechanical interlock, and sends " air cooling Axial-flow fan motor frequency converter failure " warning accordingly. The double; two air intake centrifugal blower fan 111 motor inverter fault of dehumidifying, double; two air intake centrifugal blower fan 111 motor inverter of dehumidifying is out of service, double; two for dehumidifying air intake centrifugal blower fans 111 are switched to power frequency operation by VFC by contact apparatus of mechanical interlock, and send " the double; two air intake centrifugal blower motor frequency converter failure of dehumidifying " warning accordingly;
S10: system and device controls logical mistake or machine of delaying, certainly open 3 times continuously cannot recover, then the double; two air intake centrifugal blower fan 131 of internal recycle and air cooling axial flow blower 19 automatically switch to power frequency operation, dehumidifying compressor 113, the double; two air intake centrifugal blower fan 111 of dehumidifying and high-pressure atomization pump power disconnect, and device scene sends " sound, light " accordingly and reports to the police.
The air epidemic disaster extracted out in the temperature and relative humidity detection armouring central switch cabinet that air-in tuyere position is installed, its detection temperature be reduced to the 7th temperature actuated setting valve and meet in armouring central switch cabinet simultaneously air humidity raise reach second humidity start setting valve time, air in the electric boiling plate electrified regulation cabinet in each armouring central switch cabinet; The air themperature extracted out in the temperature and relative humidity detection armouring central switch cabinet that air-in tuyere position is installed is increased to the 8th temperature and stops the air humidity in setting valve or armouring central switch cabinet and reduce and reach the first humidity when stopping setting valve, each survey electric boiling plate in armouring central switch cabinet and stops energising.
Humidity real time contrast in the collection chamber that in the temperature and relative humidity detection armouring central switch cabinet that air-in tuyere position is installed, the air epidemic disaster of extraction and the temperature and relative humidity of gas collection indoor location detect, when air-in tuyere position detect the humidity of air less than collection chamber in detect the humidity of air, send " device bad seals " accordingly and report to the police;
Transformer station's armouring central switch cabinet intelligent regulating system internal recycle is the environment of a relative closure, himself existing dust reduction capability, and the air of air cleaning dehumidifying circulating inside always has the part cleaning filtration screen of air through being inserted vertically into, dust in armouring central switch cabinet will be remained on drainage screen, regularly remove dust on drainage screen and can make clean air in armouring central switch cabinet.
Embodiment described above is only that the preferred embodiment of the present invention is described; not the scope of the present invention is defined; under the premise designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention is determined.

Claims (14)

1. transformer station's armouring central switch cabinet intelligent regulating system, it is characterized in that: include host apparatus (1), input channel (2) and output channel (3), described host apparatus (1) includes casing and the temperature being located in casing, humidity control apparatus, described casing is provided with air-in (15) and air-out (16), described air-in (15) is connected with the air outfan being positioned at armouring central switch cabinet top by input channel (2), described air-out (16) is connected with the air input being positioned at bottom armouring central switch cabinet by output channel (3).
2. transformer station according to claim 1 armouring central switch cabinet intelligent regulating system, it is characterized in that: the inside of described casing is provided with air cleaning dehumidifying room (11), the inner circulating air diversion chamber (12) being connected with air cleaning dehumidifying room (11), the collection chamber (13) being connected with inner circulating air diversion chamber (12) and the dry and cold purification air being connected with collection chamber (13) output room (14), described air-in (15) and air-out (16) are all located at the bottom of casing, and air-in (15) is connected with described air cleaning dehumidifying room (11), air-out (16) exports room (14) with described dry and cold purification air and is connected.
3. transformer station according to claim 1 armouring central switch cabinet intelligent regulating system, it is characterized in that: described epidemic disaster regulate device include being located at the dehydrating unit in described air cleaning dehumidifying room (11) and be located in described collection chamber (13) to be provided with internal recycle double; two enter centrifugal blower (131), described internal recycle double; two enter the air outlet of centrifugal blower (131) be connected with the air inlet of described dry and cold purification air output room (14).
4. transformer station according to claim 3 armouring central switch cabinet intelligent regulating system, it is characterized in that: described dehydrating unit includes dehumidify double; two air intake centrifugal blower fan (111), dehumidifier (112) and dehumidifying compressor (113), the air inlet of the double; two air intake centrifugal blower fan (111) of described dehumidifying is corresponding with air-in (15), and its air outlet is connected with the air inlet of described dehumidifier (112).
5. transformer station according to claim 2 armouring central switch cabinet intelligent regulating system, it is characterized in that: being provided with cleaning filtration screen of air (114) in described air cleaning dehumidifying room (11), described cleaning filtration screen of air (114) is that plug-in type is connected with casing.
6. transformer station according to claim 4 armouring central switch cabinet intelligent regulating system, it is characterized in that: described dehumidifier (112) includes condenser and vaporizer, the air inlet of described condenser is connected by the air outlet of the double; two air intake centrifugal blower fan (111) of blower fan kuppe (115) and described dehumidifying, described dehumidifier (112) be connected with condensed water water-collecting tray (116).
7. the transformer station's armouring central switch cabinet intelligent regulating system according to any one of claim 2 to 6, it is characterized in that: be provided with the first board-like sensible heat exchanger (17) between described air cleaning dehumidifying room (11) and inner circulating air diversion chamber (12), between described inner circulating air diversion chamber (12) and collection chamber (13), be provided with the second board-like sensible heat exchanger (18).
8. transformer station according to claim 2 armouring central switch cabinet intelligent regulating system, it is characterized in that: described casing is divided into upper and lower two-layer, described dry and cold purification air output room (14) and air cleaning dehumidifying room (11) are positioned at the lower floor of casing, and described inner circulating air diversion chamber (12) is positioned at the right side of casing and closes on mutually with described collection chamber (13) and air cleaning dehumidifying room (11).
9. transformer station according to claim 7 armouring central switch cabinet intelligent regulating system, it is characterized in that: the front side of described first board-like sensible heat exchanger (17) and the second board-like sensible heat exchanger (18) is equipped with air cooling axial flow blower (19), and rear side is equipped with air intake louver (10).
10. transformer station according to claim 9 armouring central switch cabinet intelligent regulating system, it is characterised in that: upper and air cooling axial flow blower (19) the inner side of described air intake louver (10) is equipped with water atomization plant (118).
11. transformer station according to claim 1 armouring central switch cabinet intelligent regulating system, it is characterised in that: described collection chamber (13) and be mounted on temperature sensor and humidity sensor in air-in (15); The pressure piping of described dehumidifying compressor (113) and low pressure pipeline are mounted on high and low pressure protection sensor, mounting temperature sensor on described dehumidifying compressor pressure piping near exhaust outlet of compressor; The hydrophilic aluminium foil fin of described dehumidifier (112) is respectively mounted temperature sensor.
12. transformer station's armouring central switch cabinet intelligent adjusting method, it is characterised in that comprise the following steps:
(A) start, the double; two air intake centrifugal blower fan of internal recycle is by the crawl frequency startup optimization adjusted, air cooling axial flow blower and the double; two air intake centrifugal blower fan of dehumidifying are by frequency startup optimization of adjusting, dehumidified after 180 seconds compressor start power frequency operation, and power frequency operation the first setting time enters automatic control state after making air in armouring central switch cabinet fully circulate;
(B) after entering automatic control state, the air epidemic disaster extracted out it is arranged in the temperature and relative humidity detection armouring central switch cabinet of air-in position in host apparatus, when Air Temperature, humidity value are respectively lower than the first temperature stopping setting valve and the first humidity stopping setting valve, then host apparatus enters resting state; When Air Temperature, humidity value respectively reach the second temperature setting valve and the second humidity setting valve, then the double; two air intake centrifugal wind of dehumidifying runs according to variations in temperature variable frequency starting, dehumidifying compressor start power frequency operation, the double; two air intake centrifugal blower fan of internal recycle is by the crawl frequency startup optimization adjusted, and air cooling axial flow blower runs according to variations in temperature variable frequency starting;
(C) when in armouring central switch cabinet air themperature raise reach temperature control three start setting valve time, high-pressure atomization water pump is by the startup adjusted, dwell time gap startup optimization; When the air themperature reduction in armouring central switch cabinet reaches the 4th temperature stopping setting valve, the work out of service of high-pressure atomization water pump;
(D) current temperature value in the detection of the temperature sensor on the hydrophilic aluminium foil fin of dehumidifier host apparatus, if current temperature value reduce reach the first molten frost adjust temperature value time, dehumidifying compressor is out of service, if current temperature value higher than second appearance frost adjust temperature value time, and the dehumidifying compressor shutdown time is beyond after Preset Time, and whether the temperature and relative humidity detection humidity value logical judgment dehydrating unit installed according to air-in position dehumidifies operation;
(E) when overheated, overcurrent condition occurs in the motor of temp and humidity regulator and water atomization plant, then temp and humidity regulator and high-pressure atomization water pump are out of service, and send corresponding protection switch alarm signal; When if frequency conversion fault occurs in temp and humidity regulator, then the motor inverter of temp and humidity regulator is out of service, and sends corresponding failure alarm signal;
(F) host apparatus controls logical mistake or machine of delaying, certainly open 3 times continuously cannot recover, then the double; two air intake centrifugal blower fan of internal recycle and air cooling axial flow blower automatically switch to power frequency operation, and dehumidifying compressor, the double; two air intake centrifugal blower fan of dehumidifying and water atomization plant power supply disconnect, and send alarm signal.
13. the control method of transformer station according to claim 12 armouring central switch cabinet Intelligent adjustment, it is characterised in that: described 3rd temperature actuated setting valve >=the 4th temperature stops temperature actuated setting valve >=the first temperature of setting valve >=the second and stops setting valve.
14. the control method of transformer station according to claim 12 armouring central switch cabinet Intelligent adjustment, it is characterised in that: step (C) is further comprising the steps of afterwards:
(C1), when the temperature sensor detection temperature on the pressure piping near dehumidifying exhaust outlet of compressor raises and reaches the 5th temperature shutdown setting valve, dehumidifying compressor is out of service and sends the too high alarm signal of temperature; Its temperature sensor detection temperature reduce reach the 6th temperature actuated setting valve and meet simultaneously dehumidifying compressor shutdown time >=time delay in 240 seconds after, whether the temperature and relative humidity detection humidity value logical judgment installed again depending on air-in tuyere position dehumidifies operation;
(C2) the high voltage protective sensor detection force value on the pressure piping of compressor that dehumidifies raises when reaching the first high voltage protective shutdown setting valve, and dehumidifying compressor and the double; two air intake centrifugal blower fan of dehumidifying are simultaneously out of service, and send alarm signal accordingly;
(C3), when the low-voltage variation sensor detection force value reduction on the low pressure pipeline of compressor that dehumidifies reaches the 3rd low-voltage variation shutdown setting valve, dehumidifying compressor and dehumidifying pair air intake centrifugal blower fan are simultaneously out of service, and send alarm signal accordingly.
CN201610189303.1A 2016-03-30 2016-03-30 Transformer station's armouring central switch cabinet intelligent regulating system and its adjusting method Active CN105652931B (en)

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CN106774553A (en) * 2016-12-25 2017-05-31 青岛海盈智高新技术有限公司 A kind of transformer station's automatic dehumidifying temperature-controlling system
CN111431067A (en) * 2020-03-30 2020-07-17 国网福建省电力有限公司南平供电公司 Method for cooling armored cabinet of transformer substation

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* Cited by examiner, † Cited by third party
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CN106774553A (en) * 2016-12-25 2017-05-31 青岛海盈智高新技术有限公司 A kind of transformer station's automatic dehumidifying temperature-controlling system
CN111431067A (en) * 2020-03-30 2020-07-17 国网福建省电力有限公司南平供电公司 Method for cooling armored cabinet of transformer substation

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Inventor after: Ye Qiushi

Inventor after: Wang Nianbin

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Inventor after: Xia Zongjie

Inventor after: Quan Yunliang

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