CN202523509U - Radiator for forced-oil air cooling main transformer - Google Patents
Radiator for forced-oil air cooling main transformer Download PDFInfo
- Publication number
- CN202523509U CN202523509U CN2012201958207U CN201220195820U CN202523509U CN 202523509 U CN202523509 U CN 202523509U CN 2012201958207 U CN2012201958207 U CN 2012201958207U CN 201220195820 U CN201220195820 U CN 201220195820U CN 202523509 U CN202523509 U CN 202523509U
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- radiator
- motor
- phase sequence
- phase
- fan
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- 238000001816 cooling Methods 0.000 title claims abstract description 11
- 238000000819 phase cycle Methods 0.000 claims abstract description 47
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 230000008859 change Effects 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a radiator for a forced-oil air cooling main transformer. The radiator for the forced-oil air cooling main transformer comprises a filter screen, an air fan and a motor used for driving the air fan, and further comprises a phase sequence conversion device which is connected with a three-phase supply wire of the motor and is used for controlling a three-phase power supply phase sequence of the motor to be reversed. The radiator for the forced-oil air cooling main transformer enables the air fan to rotate reversely so that blocking objects of the filter screen are blown off and airflow ventilation is guaranteed. Therefore, the problem that work efficiency is low when the filter screen blocking objects of the radiator are cleaned by manual work is resolved, work time is reduced, and safe and reliable operation of equipment is improved.
Description
Technical field
The utility model relates to power domain, in particular to a kind of radiator that is used for the forced-oil-air cooling main transformer.
Background technology
At present; The main transformer apparatus cools mode of 220kV electric pressure is generally and adopts fan to the radiator cooling of blowing; In the process of fan air-supply, floating with the wind material in air such as weeds, dust, tree hair can be fallen on the radiator filter screen with the air-flow of fan, thus the normal inflow of seriously having blocked air; The transformer heat radiation is had a strong impact on, and then have influence on the safe and reliable operation of equipment.
In order to solve radiator filter screen blocking problem, need to drop into certain manpower and materials, adopt manual type constantly to clear up; There are a lot of shortcomings in this mode: at first; Handwork is inefficiency not only, and has wasted manpower and materials, is unfavorable for the management of unmanned station, multi-site; Secondly, there is the cleaning dead angle in manual operation, and cleaning effect is poor; At last, the staff climbs up and climbs down, and causes potential safety hazard easily.
To in the correlation technique during labor cleaning's radiator filter screen tamper, ineffective problem does not propose effective solution at present as yet.
The utility model content
The main purpose of the utility model is to provide a kind of radiator that is used for the forced-oil-air cooling main transformer, during with solution labor cleaning radiator filter screen tamper, and ineffective problem.
To achieve these goals, an aspect according to the utility model provides a kind of radiator.
Radiator according to the utility model is used for the forced-oil-air cooling main transformer, comprises the motor of filter screen, fan and drive fan, also comprises: the phase sequence conversion equipment, be connected with the three phase supply line of motor, and the three phase supply phase sequence that is used to control motor is for reverse.
Further, the phase sequence conversion equipment comprises: change over switch has the primary importance and the second place; Wherein, when change over switch was positioned at primary importance, the three phase supply phase sequence of motor was reverse; When change over switch was positioned at the second place, the three phase supply phase sequence of motor was a forward.
Further, change over switch is the commutation disconnecting link.
Further, the commutation disconnecting link is arranged at the three-phase point of incoming cables of fan electromagnetic brake.
Further, this radiator also comprises: signal receiving device is used to receive the switching-over control command that the user imports; And control device, be connected respectively with the phase sequence conversion equipment with signal receiving device, be used for when signal receiving device receives the switching-over control command, control phase sequence conversion equipment is so that the three phase supply phase sequence of motor is reverse.
Further, the phase sequence conversion equipment comprises the time relay and electromagnetic brake.
Through the utility model, adopt to comprise radiator with the lower part: the motor of filter screen, fan, drive fan and phase sequence conversion equipment, wherein; The phase sequence conversion equipment is connected with the three phase supply line of motor, and the three phase supply phase sequence that is used to control motor can make the fan counter-rotating for reverse; The plug of filter screen is blown off, guarantee that air-flow is unimpeded, when solving labor cleaning's radiator filter screen tamper; Ineffective problem; Reduce the operating time, improved the safe and reliable operation of equipment, and then reached the effect that improves cleaning filter screen efficient.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the sketch map according to the radiator of the utility model first embodiment;
Fig. 2 is the connection principle sketch map according to the radiator change over switch of the utility model embodiment;
Fig. 3 is the real work wiring schematic diagram according to the radiator commutation disconnecting link of the utility model embodiment;
Fig. 4 is the sketch map according to the radiator of the utility model second embodiment; And
Fig. 5 is the flow chart according to the radiator control method of the utility model embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Fig. 1 is that this radiator is used for the forced-oil-air cooling main transformer, and is as shown in Figure 1 according to the sketch map of the radiator of the utility model first embodiment, and this radiator comprises: filter screen (not shown), fan 01, motor 03 and phase sequence conversion equipment 05.
Wherein, filter screen is arranged at outside the fan 01, and motor 03 is connected with fan 01, is used for drive fan 01 operation, and phase sequence conversion equipment 05 is connected with the three phase supply line of motor 03, and the three phase supply phase sequence that is used to control motor 03 is for reverse.
The radiator that adopts this embodiment to provide, when the radiator operate as normal, the three phase supply phase sequence of phase sequence conversion equipment 05 control motor 03 is a forward, and fan 01 is just changeing, and radiator normally runs on radiating mode; When the filter screen of radiator was cleared up, the three phase supply phase sequence of phase sequence conversion equipment 05 control motor 03 was reverse, fan 01 counter-rotating; The plug of filter screen is blown off, guarantee that air-flow is unimpeded, when solving labor cleaning's radiator filter screen tamper; Ineffective problem; Reduce the operating time, improved the safe and reliable operation of equipment, and then reached the effect that improves cleaning filter screen efficient.
Fig. 2 is the connection principle sketch map according to the radiator change over switch of the utility model embodiment, and is as shown in Figure 2, and the phase sequence conversion equipment comprises the commutation disconnecting link; Have the primary importance and the second place, wherein, when the commutation disconnecting link is positioned at primary importance; The three phase supply phase sequence of fan electromotor is reverse ACB; Fan electromotor counter-rotating, the fan counter-rotating blows the plug of filter screen off; When change over switch was positioned at the second place, the three phase supply phase sequence of motor was forward ABC, and fan electromotor just changes, and radiator normally dispels the heat.
Fig. 3 is the real work wiring schematic diagram according to the radiator commutation disconnecting link of the utility model embodiment; As shown in Figure 3; The phase sequence conversion equipment comprises commutation disconnecting link (having another name called the fall lock), and being incorporated into when normally moving is just changeing end, and three-phase is forward (A, B, the C) mode of connection; Radiator fan is normally blown, and dispels the heat to transformer; When the staff clears up filter screen work, disconnecting link is switched to the counter-rotating end; Reverse (A, C, the B) mode of connection of three-phase, the fan counter-rotating is blown to the filter screen direction; Remove being blocked in foreign material such as floccule on the filter screen, dust; Wherein, lead should adopt the lead more than 4 squares, and the commutation disconnecting link should use greater than the lock of 20A load (concrete condition also should be looked motor rated current, the decision of actual loading situation).The installation site is in the little box fan electromagnetic brake of air-cooled power supply 1D point of incoming cables; To break off two phases (B, C phase) here and receive commutation disconnecting link master point of incoming cables, and again other the two ends outlet of commutation disconnecting link inserted electromagnetic brake 1D end of incoming cables, one of which is rectified normal the adding; Other end intersection inserts; RO is the thermocouple relay among the figure, is used for when electric current is excessive, shielding, and D is main electromagnetic brake.
The radiator that adopts this embodiment to provide, simple to operate when cleaning radiator filter screen, improve staff's operating efficiency, shortened the operating time; Simultaneously, the cleaning dead angle when having eliminated the labor cleaning, can cleaning the personnel position that can't be swept into, guaranteed the safe and reliable operation of equipment; When wiring, should guarantee the correctness of three-phase phase, prevent short circuit; Simultaneously, should also be noted that the correctness of Oil pump electrical machinery wiring, prevent that oil pump is reverse.
Because fan fixed screw to flabellum when counter-rotating has certain holding capacity test, preferably, adopts reinforcing mode to reinforce fixed screw.
Fig. 4 is the sketch map according to the radiator of the utility model second embodiment; As shown in Figure 4, this radiator comprises: the motor 03 of filter screen (not shown), fan 01, drive fan 01, phase sequence conversion equipment 05, signal receiving device 07 and control device 09.
Wherein, signal receiving device 07 is used to receive the switching-over control command of user's input; Control device 09 is connected respectively with phase sequence conversion equipment 05 with signal receiving device 07, is used for when signal receiving device 07 receives the switching-over control command, and control phase sequence conversion equipment 05 is so that the three phase supply phase sequence of motor 03 is reverse.
Preferably, the phase sequence conversion equipment comprises the time relay and electromagnetic brake, and control device 09 is realized the phase sequence conversion through time relay control electromagnetic brake.
The radiator that adopts this embodiment to provide, through control mode control motor 03 counter-rotating of the signal of telecommunication, control mode is simple, and can realize Long-distance Control.
Fig. 5 is the flow chart according to the radiator control method of the utility model embodiment; Wherein, This radiator comprises the motor of filter screen, fan and drive fan, and is as shown in Figure 5, and this method comprises: step S104: the three phase supply phase sequence of control radiator fan motor is for reverse.
Preferably, before step S104, this method also comprises step S102: receive the switching-over control command of user's input, wherein, and execution in step S104 when signal receiving device receives the switching-over control command, otherwise motor normally moves, and radiator normally dispels the heat.
Preferably, this radiator also comprises change over switch, has the primary importance and the second place; Wherein, when change over switch was positioned at primary importance, the three phase supply phase sequence of motor was reverse; When change over switch is positioned at the second place; The three phase supply phase sequence of motor is a forward, and wherein, the three phase supply phase sequence of control motor is for oppositely comprising: the control transformation switch is positioned at primary importance.
Adopt the control method of the radiator that this embodiment provides, when the radiator operate as normal, the three phase supply phase sequence of control motor is a forward, and fan just changes, and radiator normally runs on radiating mode; When the filter screen of radiator was cleared up, the three phase supply phase sequence of control motor was reverse, the fan counter-rotating; The plug of filter screen is blown off, guarantee that air-flow is unimpeded, when solving labor cleaning's radiator filter screen tamper; Ineffective problem; Reduce the operating time, improved the safe and reliable operation of equipment, and then reached the effect that improves cleaning filter screen efficient.
From above description; Can find out; The utility model has been realized following technique effect: when the plug of cleaning radiator filter screen, the three phase supply phase sequence of control radiator fan motor is reverse, directly the plug of filter screen is blown off through the fan counter-rotating; Improve the operating efficiency of cleaning radiator filter screen tamper, guarantee the reliability service of equipment.
Need to prove; Can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions; And; Though logical order has been shown in flow chart, in some cases, can have carried out step shown or that describe with the order that is different from here.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (6)
1. a radiator that is used for the forced-oil-air cooling main transformer comprises filter screen, fan and the motor that drives said fan, it is characterized in that, also comprises:
The phase sequence conversion equipment is connected with the three phase supply line of said motor, and the three phase supply phase sequence that is used to control said motor is for reverse.
2. radiator according to claim 1 is characterized in that, said phase sequence conversion equipment comprises:
Change over switch has the primary importance and the second place, and wherein, when said change over switch was positioned at said primary importance, the three phase supply phase sequence of said motor was reverse, and when said change over switch was positioned at the said second place, the three phase supply phase sequence of said motor was a forward.
3. radiator according to claim 2 is characterized in that, said change over switch is the commutation disconnecting link.
4. radiator according to claim 3 is characterized in that, said commutation disconnecting link is arranged at the three-phase point of incoming cables of said fan electromagnetic brake.
5. radiator according to claim 1 and 2 is characterized in that, also comprises:
Signal receiving device is used to receive the switching-over control command that the user imports; And
Control device is connected respectively with said phase sequence conversion equipment with said signal receiving device, is used for when said signal receiving device receives said switching-over control command, controlling said phase sequence conversion equipment, so that the three phase supply phase sequence of said motor is reverse.
6. radiator according to claim 5 is characterized in that, said phase sequence conversion equipment comprises the time relay and electromagnetic brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201958207U CN202523509U (en) | 2012-04-28 | 2012-04-28 | Radiator for forced-oil air cooling main transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201958207U CN202523509U (en) | 2012-04-28 | 2012-04-28 | Radiator for forced-oil air cooling main transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202523509U true CN202523509U (en) | 2012-11-07 |
Family
ID=47106447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201958207U Expired - Lifetime CN202523509U (en) | 2012-04-28 | 2012-04-28 | Radiator for forced-oil air cooling main transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202523509U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272802A (en) * | 2013-05-31 | 2013-09-04 | 国家电网公司 | Dust removal device for electronic circuits of distribution panels |
| CN103521483A (en) * | 2013-10-12 | 2014-01-22 | 国家电网公司 | Automatic dust removing device for cooler for forced oil circulation power transformer and dust removing method thereof |
| CN103521477A (en) * | 2013-10-12 | 2014-01-22 | 国家电网公司 | Method and device for automatically removing dust of protective screen of forced draft device |
| CN103831267A (en) * | 2014-03-11 | 2014-06-04 | 山西太钢不锈钢股份有限公司 | Dust backwashing method for multi-layer heat radiator of large transformer |
| CN105370605A (en) * | 2014-08-18 | 2016-03-02 | 中国移动通信集团公司 | Fan control method and device |
| CN110060859A (en) * | 2019-05-21 | 2019-07-26 | 保定天威保变电气股份有限公司 | It is a kind of can Phase Sequence-changeable transformer device structure and design method |
| CN110995064A (en) * | 2019-12-13 | 2020-04-10 | 中国电建集团中南勘测设计研究院有限公司 | Starting circuit commutation system of pumped storage power station |
-
2012
- 2012-04-28 CN CN2012201958207U patent/CN202523509U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272802A (en) * | 2013-05-31 | 2013-09-04 | 国家电网公司 | Dust removal device for electronic circuits of distribution panels |
| CN103521483A (en) * | 2013-10-12 | 2014-01-22 | 国家电网公司 | Automatic dust removing device for cooler for forced oil circulation power transformer and dust removing method thereof |
| CN103521477A (en) * | 2013-10-12 | 2014-01-22 | 国家电网公司 | Method and device for automatically removing dust of protective screen of forced draft device |
| CN103521483B (en) * | 2013-10-12 | 2017-01-04 | 国家电网公司 | Strong oil circulation power transformer cooler automatic dust removing method |
| CN103831267A (en) * | 2014-03-11 | 2014-06-04 | 山西太钢不锈钢股份有限公司 | Dust backwashing method for multi-layer heat radiator of large transformer |
| CN105370605A (en) * | 2014-08-18 | 2016-03-02 | 中国移动通信集团公司 | Fan control method and device |
| CN105370605B (en) * | 2014-08-18 | 2018-05-08 | 中国移动通信集团公司 | A kind of control method for fan and device |
| CN110060859A (en) * | 2019-05-21 | 2019-07-26 | 保定天威保变电气股份有限公司 | It is a kind of can Phase Sequence-changeable transformer device structure and design method |
| CN110995064A (en) * | 2019-12-13 | 2020-04-10 | 中国电建集团中南勘测设计研究院有限公司 | Starting circuit commutation system of pumped storage power station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: BEIJING ELECTRIC POWER CORP. Effective date: 20130606 Owner name: BEIJING ELECTRIC POWER CORP. Effective date: 20130606 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100031 XICHENG, BEIJING TO: 100031 DONGCHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130606 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Grid Corporation of China Patentee after: Beijing Electric Power Corp. Address before: 100031 Beijing Qianmen West Street, Xicheng District, No. 41 Patentee before: Beijing Electric Power Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |
|
| CX01 | Expiry of patent term |