CN203760875U - Ventilating and heat-discharging structure of transformer room with cooling by air circulation - Google Patents
Ventilating and heat-discharging structure of transformer room with cooling by air circulation Download PDFInfo
- Publication number
- CN203760875U CN203760875U CN201420186436.XU CN201420186436U CN203760875U CN 203760875 U CN203760875 U CN 203760875U CN 201420186436 U CN201420186436 U CN 201420186436U CN 203760875 U CN203760875 U CN 203760875U
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- air
- transformer room
- transformer
- blower fan
- fan
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Abstract
The utility model discloses a ventilating and heat-discharging structure of a transformer room with cooling by air circulation. The ventilating and heat-discharging structure is characterized in that three air outlet windows are arranged at the upper part of the back surface of a main transformer and on the side wall of the transformer room and are connected to three fans with the exhausting capacity being 29500m<3>/h through air pipes, and the three fans are arranged at a roof of the transformer room; the side wall of the transformer room is provided with three air inlet windows corresponding to the three air outlet windows at the lower part of the back surface of the main transformer equipment; the air outlet windows and the air inlet windows are respectively provided with a stainless-steel mesh cover; a fan with the exhausting capacity being 20650m<3>/h is arranged under each radiating fin at the periphery of the main transformer equipment; air inlets of the fans align to an oil pit and air outlets of the fans align to the radiating fins. The ventilating and heat-discharging structure disclosed by the utility model has the advantages that effective air circulation can be formed, so that the condition of overhigh temperature of the main transformer caused by unsmooth exhausting is solved and the safe operation and power supply reliability of power equipment are guaranteed.
Description
Technical field
The utility model relates to transformer room's ventilation heat structure.
Background technology
Along with socio-economic development, the increase of supply load, transformer station is on the increase, for saving the area, a lot of urban district transformer station adopts the complete indoor layout of equipment, but caloric value is larger while moving due to main transformer, particularly in summer, ambient temperature is high, loads large again, easily causes main transformer excess Temperature, improper if take measures, when heat cannot be discharged in time, may cause even forced outage of main transformer load shedding, have a strong impact on electric power safety operation.
The draft type of transformer room is mechanical draft, natural draft combination at present, but because space, transformer room is airtight, largely completely cut off indoor-outdoor air interchange, radiating effect is poor, reason is on the other hand the reasonable not of blower fan and ventilation window layout, and such as current ventilation window adopts shutter, shutter is waterproof blinds band fly net type, its effective incoming air area generally only has 40% of incoming air area, has affected ventilation thermal effect.In addition, the existing exhaust blower in transformer room is installed shutter below, so just causes air draft air flow shortcircuit, that is to say wind that exhaust blower is discharged be from shutter outdoor enter wind, instead of air in transformer room, cannot form effective convection current, air draft weak effect.This just causes at supply load in summer and often occurs that main transformer excess Temperature situation, serious threat power equipment safety operation and power supply reliability large period.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of by transformer room's ventilation heat structure of wind circulation temperature lowering, solves the main transformer excess Temperature situation causing because of the not smooth reason of air draft, ensures power equipment safety operation and power supply reliability.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of by transformer room's ventilation heat structure of wind circulation temperature lowering, main transformer equipment is installed on floor, transformer room, floor, transformer room has oil hole, blower fan is installed in transformer room and ventilation window carries out wind circulation cooling, transformer room's sidewall arranges three air-out windows on top, main transformer equipment north, and these three air-out windows are connected to by airduct three exhaust air rate 29500m that transformer room's roof is installed
3the blower fan of/h, in bottom, main transformer equipment north, corresponding three air-out windows are provided with three air intake windows to transformer room's sidewall, on air-out window and air intake window, stainless steel guard is all set, an exhaust air rate 20650m is respectively installed below the fin of main transformer equipment surrounding
3the blower fan of/h, the air inlet of blower fan is aimed at oil hole, and the air outlet of blower fan is aimed at fin, by blower fan, cold air in oil hole is sucked, and blows to fin hot-air group is around blown out.
Preferably, blower fan is by draught fan automatic control system control, described draught fan automatic control system comprises fan control box, air-blower control main frame and several transducers, sensor setting is in transformer room, feed back to air-blower control main frame by Sensor monitoring power transformation indoor temperature and by information, air-blower control host computer control fan control box, fan control box control blower fan opens and closes.
Preferably, the air outlet that the assembling height of main transformer equipment surrounding is blower fan is apart from fin 30cm place.
Preferably, transformer room is at the additional rain cover of air intake window.
The utility model, by transforming, installing additional after blower fan, more than the exhaust air rate of every main transformer reaches 67 ten thousand steres, can ensure to meet the requirement of main transformer exhaust air rate; In addition, below main transformer fin, increase blower fan, blower fan mouth is aimed at fin, so just can accelerate fin surrounding air cycle efficieny, by blower fan, cold air in oil hole is sucked, and blows to fin hot-air group is around blown out.And, the air of coming in from air intake window heating power transformation indoor circulation, and fin hot-air group around, discharged by the air-out window of top again, so just can form an effective air circulation, the final main transformer excess Temperature situation causing because of the not smooth reason of air draft that solves, ensures power equipment safety operation and power supply reliability.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Fig. 1 is circulation schematic diagram in transformer room.
Embodiment
As shown in Figure 1, a kind of by transformer room's ventilation heat structure of wind circulation temperature lowering, transformer room is provided with main transformer equipment on 1 floor, floor, transformer room has oil hole, blower fan is installed in transformer room and ventilation window carries out wind circulation cooling, transformer room's sidewall arranges three air-out windows 10 on top, main transformer equipment north, and these three air-out windows are connected to by airduct three exhaust air rate 29500m that transformer room's roof is installed
3the blower fan of/h, in bottom, main transformer equipment north, corresponding three air-out windows are provided with three air intake windows 11 to transformer room's sidewall, on air-out window and air intake window, stainless steel guard is all set, an exhaust air rate 20650m is respectively installed below the fin of main transformer equipment surrounding
3the blower fan of/h, the air inlet of blower fan is aimed at oil hole, and oil hole correspondence is provided with thermovent 12, and the air outlet of blower fan is aimed at fin, by blower fan, cold air in oil hole is sucked, and blows to fin hot-air group is around blown out.The air outlet that the assembling height of main transformer equipment surrounding is blower fan is apart from fin 30cm place.Transformer room is at the additional rain cover of air intake window.
By transforming, installing additional after blower fan, more than the exhaust air rate of every main transformer reaches 67 ten thousand steres, can ensure to meet the requirement of main transformer exhaust air rate.After the blinds sealing of main transformer top, can solve exhaust blower air flow shortcircuit problem, blower fan ventilation efficiency improves greatly simultaneously.
Exhaust air rate after improvement: (29500m
3/ h) * 3 ﹥ 28805m
3/ h, meets the demands.Meanwhile, in order to reduce noise, group is by 3 Wind Volume assemblings at roof, and wall top, north shutter makes airduct air outlet into and connects airduct to roof, and by the shutoff of shutter remainder.
After above improvement, exhaust air rate, intake in transformer room can be satisfied the demand, but indoor air circulation efficiency (speed) is lower, therefore must below main transformer fin, increase blower fan, blower fan mouth is aimed at fin, so just can accelerate fin surrounding air cycle efficieny, by blower fan, cold air in oil hole is sucked, blow to fin hot-air group is around blown out, then discharged by the large blower fan of top, so just can form an effective air circulation.Blower fan is selected high pressure, high-lift blower fan, and assembling height is generally blower fan mouth apart from heat radiation agreement that contracts a film or TV play to an actor or actress 30cm place.
Transformer room adopts complete mechanical air draft mode at present, considers the variation of main transformer load, ambient temperature, and main transformer exhaust blower is not need all to open in certain hour section.Therefore, we are necessary for transformer room's assembling draught fan automatic control system.Blower fan is by draught fan automatic control system control, described draught fan automatic control system comprises fan control box, air-blower control main frame and several transducers, sensor setting is in transformer room, feed back to air-blower control main frame by Sensor monitoring power transformation indoor temperature and by information, air-blower control host computer control fan control box, fan control box control blower fan opens and closes.
Control principle: main frame can be monitored multiple regions simultaneously, and the temperature threshold values that the blower fan grouping of each region starts can be set separately, as: dispatching from the factory to be defaulted as starts one group of blower fan while exceeding 30 DEG C, while exceeding 35 DEG C, start two groups of blower fans, while exceeding 40 DEG C, start all blower fans, meanwhile, whether the configurable fan condition detection module of system, can detect blower fan and normally start.Main frame reserved data teletransmission interface, can with the intelligent multimedia networking remote monitoring of original installation.
Claims (4)
1. one kind is passed through transformer room's ventilation heat structure of wind circulation temperature lowering, main transformer equipment is installed on floor, transformer room, floor, transformer room has oil hole, blower fan is installed in transformer room and ventilation window carries out wind circulation cooling, it is characterized in that: transformer room's sidewall arranges three air-out windows on top, main transformer equipment north, these three air-out windows are connected to by airduct three exhaust air rate 29500m that transformer room's roof is installed
3the blower fan of/h, in bottom, main transformer equipment north, corresponding three air-out windows are provided with three air intake windows to transformer room's sidewall, on air-out window and air intake window, stainless steel guard is all set, an exhaust air rate 20650m is respectively installed below the fin of main transformer equipment surrounding
3the blower fan of/h, the air inlet of blower fan is aimed at oil hole, and the air outlet of blower fan is aimed at fin, by blower fan, cold air in oil hole is sucked, and blows to fin hot-air group is around blown out.
2. according to claim 1 a kind of by transformer room's ventilation heat structure of wind circulation temperature lowering, it is characterized in that: blower fan is by draught fan automatic control system control, described draught fan automatic control system comprises fan control box, air-blower control main frame and several transducers, sensor setting is in transformer room, feed back to air-blower control main frame by Sensor monitoring power transformation indoor temperature and by information, air-blower control host computer control fan control box, fan control box control blower fan opens and closes.
3. according to claim 1 a kind of by transformer room's ventilation heat structure of wind circulation temperature lowering, it is characterized in that: the air outlet that the assembling height of main transformer equipment surrounding is blower fan is apart from fin 30cm place.
4. according to claim 1 a kind of by transformer room's ventilation heat structure of wind circulation temperature lowering, it is characterized in that: transformer room is at the additional rain cover of air intake window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186436.XU CN203760875U (en) | 2014-04-17 | 2014-04-17 | Ventilating and heat-discharging structure of transformer room with cooling by air circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186436.XU CN203760875U (en) | 2014-04-17 | 2014-04-17 | Ventilating and heat-discharging structure of transformer room with cooling by air circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760875U true CN203760875U (en) | 2014-08-06 |
Family
ID=51256112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420186436.XU Expired - Fee Related CN203760875U (en) | 2014-04-17 | 2014-04-17 | Ventilating and heat-discharging structure of transformer room with cooling by air circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944084A (en) * | 2014-04-17 | 2014-07-23 | 国家电网公司 | Transformer room ventilation heat removal structure cooled through air circulation |
-
2014
- 2014-04-17 CN CN201420186436.XU patent/CN203760875U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944084A (en) * | 2014-04-17 | 2014-07-23 | 国家电网公司 | Transformer room ventilation heat removal structure cooled through air circulation |
| CN103944084B (en) * | 2014-04-17 | 2016-03-30 | 国家电网公司 | A kind of transformer room's ventilation heat structure by wind circulation temperature lowering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |