CN203882212U - A voltage transformer cooling system controlling apparatus - Google Patents
A voltage transformer cooling system controlling apparatus Download PDFInfo
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- CN203882212U CN203882212U CN201420298039.1U CN201420298039U CN203882212U CN 203882212 U CN203882212 U CN 203882212U CN 201420298039 U CN201420298039 U CN 201420298039U CN 203882212 U CN203882212 U CN 203882212U
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- cooling system
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- transformer cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 42
- 230000000694 effects Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000000979 retarding effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Control Of Temperature (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides a voltage transformer cooling system controlling apparatus, belongs to the technical field of voltage transformers and solves problems that the usage of voltage transformer cooling system controlling apparatuses in the prior art is not energy saving enough and influences to the environment are relatively large. According to the voltage transformer cooling system controlling apparatus, a voltage transformer cooling system comprises several cooler sets; each cooler set is equipped with a fan and an oil pump; the controlling apparatus comprises a controller, contactors and temperature sensors corresponding to the sets of the coolers; each temperature sensor is connected with an input port of the controller; relays respectively used for disconnecting or connecting a fan power supply loop and r disconnecting or connecting an oil pump power supply loop are contained in each set of coolers; one end of each contactor and one end of the control coil of each relay is connected with a power supply, and the other end of the contactor and the other end control coil of the relay are connected to different output ports of the controller; switch contacts of the contactors and the relays are in series connection in power supply loops of corresponding coolers; and an input port of the controller is connected to a clock chip. The controlling apparatus enables a voltage transformer to more energy-efficient in terms of electricity consumption, and ambient noise is low.
Description
Technical field
The utility model belongs to transformer technology field, relates to a kind of transformer cooling system control device.
Background technology
Because wanting loss heating in ultrahigh pressure large-scale transformer in operation, this heat flows into refrigeratory by transformer oil pump top end high temperature in oil tank of transformer, finned tube in refrigeratory reduces temperature rise by fan radiating, then passes back in the fuel tank of transformer bottom.Through subcooler heat exchange operation, keep transformer temperature rise in enabled condition.
Traditional transformer chiller system is comprised of refrigeratory body, blower fan, oil pump, oil flow relay, control box.Refrigeratory body, conventional copper aluminum composite pipes structure, blower fan is silent ventilator, without speed change, conventional number of poles reduces noise, as long as start, blower fan just rotates with the number of poles of fixing.Oil pump is common oil-immersed pump, after startup, also with fixed rotating speed, rotates, and commonly uses as 900rpm.Oil flow relay, with traditional mechanical shutter formula structure, as long as oily stream reaches declared working condition 85%, is shown as out; Pointer double swerve between 85%～45%; Below 45%, be shown as pass, signal cannot be connected with control box, computer.Because baffle plate rotates for a long time in oil pipe, often there is damper shaft phenomenon of rupture, cause transformer to have a power failure and keep in repair, cause damage greatly, few hundreds of thousands, many units up to a million.
Problem for above-mentioned existence, existing Chinese patent literature discloses a kind of control method for transformer cooling system and device, described system comprises transformer oil-immersed pump, fan and intelligent controlling device, said method comprising the steps of: (a) oil-immersed pump of operating transformer cooling system working group; (b), according to the oil temperature of transformer, determine the number of units that drops into fan.Although the control method of transformer cooling system of the present invention and control device can adapt to the variation of the environment temperature of Various Seasonal, effectively regulate transformer temperature, reduce cooling fan motor energy consumption, but the control method of this transformer cooling system and control device are energy-conservation not in the use, and fan rotational noise is larger, have greater environmental impacts in use, particularly at night, will impact people's life.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of transformer cooling system control device, and this control device technical matters to be solved is to make transformer electricity consumption more energy-conservation, and neighbourhood noise is low.
The purpose of this utility model can realize by following technical proposal: a kind of transformer cooling system control device, described transformer cooling system comprises some groups of refrigeratorys, every group of refrigeratory is equipped with fan and oil pump, described control device comprises controller, it is characterized in that, described control device also comprises with each corresponding contactor of group refrigeratory with for detection of the temperature sensor of transformer temperature, described temperature sensor is connected with the input port of controller, each organizes the in-built relay that disconnects or connect respectively fan current supply circuit and oil pump current supply circuit that is useful on of refrigeratory, control coil one termination power of each contactor and relay, the different output ports of another termination controller, the switch contact of each contactor and relay is serially connected with in the current supply circuit of corresponding refrigeratory, the input port of described controller is connected with for reasonable arrangement oil pump and the clock chip of fan work time.
During this transformer cooling system control device work, temperature sensor detects the temperature of transformer in real time, and temperature is passed to controller, the contactor that the real time temperature that controller gathers according to temperature sensor is controlled corresponding number is closed, thereby refrigeratory is devoted oneself to work, by clock chip, the working condition of fan and oil pump is set, in the time of by day, arrange and operate to master with fan, operation of oil pump can be main according to the temperature of temperature sensor collection
Transfer oil pump operation evening to, its middle controller is to the reception of the signal of temperature sensor conveying and the control of contactor and relay is belonged to the existing function of controller, do not make improvements, this control device is mainly by increasing components and parts, more energy-conservation while making transformer work, and can reduce neighbourhood noise, can effectively improve again the Q-percentile life of fan and oil pump alternate run.
In above-mentioned transformer cooling system control device, described temperature sensor is arranged at refrigeratory and junction, transformer oil box top.
In above-mentioned transformer cooling system control device, described fan is the speed-regulating fan with speed and pressure-regulating effect, and described oil pump is the regulation oil pump with speed and pressure-regulating effect.When transformer moves, according to the variation of temperature rise value, each fan, pump speed of organizing refrigeratory can automatic speed regulation, and automatic retarding operation, plays the effect of saving the energy.
In above-mentioned transformer cooling system control device, described speed-regulating fan comprises fan blade and motor, between described fan blade and motor, is connected with coupling mechanism.
In above-mentioned transformer cooling system control device, described speed-regulating fan comprises fan blade and motor, is in series with the negative temperature coefficient thermistor for detection of transformer temperature on the current supply circuit of described motor.The negative temperature coefficient thermistor of connecting on the current supply circuit of motor, when temperature is higher, resistance value is lower, and the rotating speed of motor is higher, and then the rotating speed of speed-regulating fan is faster.
In above-mentioned transformer cooling system control device, described clock chip adopts the clock chip that model is DS1302.
In above-mentioned transformer cooling system control device, the output terminal of described controller is connected with the data communication module for being connected with host computer.By data communication module, the signal of transformer operation conditions can be delivered on the computer screen of central control room (CCR), with curve and digital formation and modification, intuitively be shown, be convenient to timely observation.
In above-mentioned transformer cooling system control device, described data communication module comprises PPI cable, line driver and connection, is connected with PPI cable, line driver, connection and line driver between described controller and host computer in turn.
In above-mentioned transformer cooling system control device, described controller is PLC controller, and PLC controller and clock chip are arranged in control box.
In above-mentioned transformer cooling system control device, described controller is provided with SD card interface and USB interface, is also connected with storer on controller.
Compared with prior art, this transformer cooling system control device has the following advantages:
1, the utility model is by clock chip and relay, in the time of by day, the cooling system of transformer mainly operates to master with fan, transfers oil pump operation evening to, so both reduce neighbourhood noise, effectively improved again the Q-percentile life of fan and oil pump alternate run.
2, fan and the oil pump that refrigeratory is equipped with of respectively organizing in the utility model all adopts speed-regulating fan and the regulation oil pump that can carry out automatic speed regulation, when transformer moves, can be according to the variation of temperature rise value, each organizes the fan of refrigeratory, pump speed can automatic speed regulation, automatic retarding operation, has played the effect of the saving energy; In addition adopt regulation oil pump, cancelled the use of oil flow relay, in cost-saving, eliminated again because oil flow relay fault is to the damnous hidden danger of transformer.
3, the utility model is reasonable in design, monitoring is reliably timely and can automatically regulate temperature, and it is applied widely, is easy to promotion and implementation, has good economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1, controller; 2, contactor; 3, relay; 4, clock chip; 5, refrigeratory; 6, fan; 7, oil pump; 8, temperature sensor; 9, data communication module.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this transformer cooling system control device, transformer cooling system comprises some groups of refrigeratorys 5, every group of refrigeratory 5 is equipped with fan 6 and oil pump 7, control device comprises controller 1, with each corresponding contactor 2 of group refrigeratory 5 with for detection of the temperature sensor 8 of transformer temperature, temperature sensor 8 is connected with the input port of controller 1, each is organized in refrigeratory 5 and is also equipped with for disconnecting or connect respectively the relay 3 of fan 6 current supply circuits and oil pump 7 current supply circuits, control coil one termination power of each contactor 2 and relay 3, the different output ports of another termination controller 1, the switch contact of each contactor 2 and relay 3 is serially connected with in the current supply circuit of corresponding refrigeratory 5, the input port of controller 1 is connected with for reasonable arrangement oil pump 7 and the clock chip 4 of 6 working times of fan.
Specifically:
Temperature sensor 8 is arranged at refrigeratory 5 and junction, transformer oil box top.
As a kind of preferred version, fan 6 is for having the speed-regulating fan 6 of speed and pressure-regulating effect, and oil pump 7 is for having the regulation oil pump 7 of speed and pressure-regulating effect.When transformer moves, according to the variation of temperature rise value, each fan 6, oil pump 7 rotating speeds of organizing refrigeratory 5 can automatic speed regulation, and automatic retarding operation, plays the effect of saving the energy.Adopt regulation oil pump 7, can cancel the use of oil flow relay 3, the effect of oil flow relay 3 is to judge whether rotating of oil pump 7, and whether butterfly valve is opened.Because regulation oil pump 7 terminal boxes have phase sequence meter outward, do not exist wiring error, butterfly valve to have on off state sign, can existence open phenomenon.If directly cancel oil flow relay 3, when can save thousands of first cost, can eliminate again because oil flow relay 3 faults are to the damnous hidden danger of transformer.
Speed-regulating fan 6 comprises fan blade and motor, between fan blade and motor, is connected with coupling mechanism.
As another kind of preferred version, speed-regulating fan 6 comprises fan blade and motor, is in series with the negative temperature coefficient thermistor for detection of transformer temperature on the current supply circuit of motor.The negative temperature coefficient thermistor of connecting on the current supply circuit of motor, when temperature is higher, resistance value is lower, and the rotating speed of motor is higher, and then the rotating speed of speed-regulating fan 6 is faster.
Clock chip 4 adopts the clock chip 4 that model is DS1302.
As a kind of preferred version, the output terminal of controller 1 is connected with the data communication module 9 for being connected with host computer.Data communication module 9 comprises PPI cable, line driver and connection, between described controller 1 and host computer, is connected with PPI cable, line driver, connection and line driver in turn.By data communication module 9, the signal of transformer operation conditions can be delivered on the computer screen of central control room (CCR), with curve and digital formation and modification, intuitively be shown, be convenient to timely observation.
As a kind of preferred version, controller 1 is PLC controller 1, and PLC controller 1 and clock chip 4 are arranged in control box.
As a kind of preferred version, controller 1 is provided with SD card interface and USB interface, is also connected with storer on controller 1.
The specific works process of this transformer cooling system control device is: at Transformer, temperature sensor 8 sends the temperature signal collecting to controller 1 in real time, the signal that controller 1 gathers according to temperature sensor 8, when temperature rise is during higher than 95K, contactor 2 and the relay 3 of controlling first group of refrigeratory 5 engage, and first group of refrigeratory 5 are started comprehensively, if temperature rise can not be fallen any more, other several groups of refrigeratorys 5 start again, until temperature rise is in standard allowed band; Meanwhile, according to the variation of temperature rise value, each organizes the fan 6 in refrigeratory 5, and oil pump 7 rotating speeds can automatic speed regulation, and automatic retarding operation plays the effect of the saving energy.Between night in particularly winter, or spring and autumn, environment temperature is on the low side, and fan 6, oil pump 7 can be automatically in halted states; As preferred scheme, on controller 1, connect a clock chip 4, by the working time of clock chip 4 reasonable arrangement refrigeratory 5 fans 6 and oil pump 7, thereby reduce the noise that environment is caused, during because of fan 6 operation, noise is everlasting about 70db, and during oil pump 7 operation, noise is 58db left and right, by setting, operate to master with fan 6 daytime, transfer oil pump 7 operations evening to, so both reduced neighbourhood noise, effectively improve again the Q-percentile life of fan 6 and oil pump 7 alternate runs; Controller 1 is delivered to the signal of transformer operation conditions on central control room (CCR) computer screen, with curve and digital formation and modification, intuitively shows, observes in time.The function that above controller 1 is realized is all that those skilled in the art are known, does not have the improvement on controller 1, and this control device is mainly to realize object energy-conservation, noise reduction by increasing components and parts.This transformer cooling system control device can move respectively by 3 pairs of oil pumps 7 of relay and fan 6, oil pump 7 and fan 6 can move in different time sections, use speed-regulating fan 6 and regulation oil pump 7, can guarantee that transformer works under preference temperature, also saved energy consumption and human resources.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as controller 1, contactor 2, relay 3, clock chip 4, refrigeratory 5, fan 6, oil pump 7, temperature sensor 8, data communication module 9 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (10)
1. a transformer cooling system control device, described transformer cooling system comprises some groups of refrigeratorys (5), every group of refrigeratory (5) is equipped with fan (6) and oil pump (7), described control device comprises controller (1), it is characterized in that, described control device also comprises with each corresponding contactor (2) of group refrigeratory (5) with for detection of the temperature sensor (8) of transformer temperature, described temperature sensor (8) is connected with the input port of controller (1), each is organized in refrigeratory (5) and is also equipped with for disconnecting or connect respectively the relay (3) of fan (6) current supply circuit and oil pump (7) current supply circuit, control coil one termination power of each contactor (2) and relay (3), the different output ports of another termination controller (1), the switch contact of each contactor (2) and relay (3) is serially connected with in the current supply circuit of corresponding refrigeratory (5), the input port of described controller (1) is connected with for reasonable arrangement oil pump (7) and the clock chip of fan (6) working time (4).
2. transformer cooling system control device according to claim 1, is characterized in that, described temperature sensor (8) is arranged at refrigeratory (5) and junction, transformer oil box top.
3. transformer cooling system control device according to claim 1, it is characterized in that, described fan (6) is for having the speed-regulating fan (6) of speed and pressure-regulating effect, and described oil pump (7) is for having the regulation oil pump (7) of speed and pressure-regulating effect.
4. transformer cooling system control device according to claim 3, is characterized in that, described speed-regulating fan (6) comprises fan blade and motor, between described fan blade and motor, is connected with coupling mechanism.
5. transformer cooling system control device according to claim 3, it is characterized in that, described speed-regulating fan (6) comprises fan blade and motor, is in series with the negative temperature coefficient thermistor for detection of transformer temperature on the current supply circuit of described motor.
6. transformer cooling system control device according to claim 1, is characterized in that, described clock chip (4) adopts the clock chip (4) that model is DS1302.
7. transformer cooling system control device according to claim 1, is characterized in that, the output terminal of described controller (1) is connected with the data communication module (9) for being connected with host computer.
8. transformer cooling system control device according to claim 7, it is characterized in that, described data communication module (9) comprises PPI cable, line driver and connection, between described controller (1) and host computer, is connected with PPI cable, line driver, connection and line driver in turn.
9. transformer cooling system control device according to claim 1, is characterized in that, described controller (1) is PLC controller (1), and PLC controller (1) and clock chip (4) are arranged in control box.
10. transformer cooling system control device according to claim 1, is characterized in that, described controller (1) is provided with SD card interface and USB interface, and controller is also connected with storer on (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420298039.1U CN203882212U (en) | 2014-06-05 | 2014-06-05 | A voltage transformer cooling system controlling apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420298039.1U CN203882212U (en) | 2014-06-05 | 2014-06-05 | A voltage transformer cooling system controlling apparatus |
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| CN203882212U true CN203882212U (en) | 2014-10-15 |
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| CN201420298039.1U Expired - Fee Related CN203882212U (en) | 2014-06-05 | 2014-06-05 | A voltage transformer cooling system controlling apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409193A (en) * | 2014-12-18 | 2015-03-11 | 镇江船舶电器有限责任公司 | Air-cooled and water-cooled transformer for ship |
| CN105242717A (en) * | 2015-10-31 | 2016-01-13 | 国家电网公司 | Automatic switching device of cooling system of main transformer of transformer substation |
| CN107017077A (en) * | 2017-05-22 | 2017-08-04 | 江苏海鼎电气科技有限公司 | A kind of forced oil-circulation cooled high-power transformer cooler |
| CN109002069A (en) * | 2018-10-30 | 2018-12-14 | 台州裕龙机电有限公司 | A kind of power transformer and reactor cooling system intelligent controller |
| CN110822389A (en) * | 2019-11-28 | 2020-02-21 | 徐州格利尔科技有限公司 | Anti-collision anti-seismic LED transformer |
-
2014
- 2014-06-05 CN CN201420298039.1U patent/CN203882212U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409193A (en) * | 2014-12-18 | 2015-03-11 | 镇江船舶电器有限责任公司 | Air-cooled and water-cooled transformer for ship |
| CN105242717A (en) * | 2015-10-31 | 2016-01-13 | 国家电网公司 | Automatic switching device of cooling system of main transformer of transformer substation |
| CN107017077A (en) * | 2017-05-22 | 2017-08-04 | 江苏海鼎电气科技有限公司 | A kind of forced oil-circulation cooled high-power transformer cooler |
| CN109002069A (en) * | 2018-10-30 | 2018-12-14 | 台州裕龙机电有限公司 | A kind of power transformer and reactor cooling system intelligent controller |
| CN110822389A (en) * | 2019-11-28 | 2020-02-21 | 徐州格利尔科技有限公司 | Anti-collision anti-seismic LED transformer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG ERG TECHNOLOGY INC. Free format text: FORMER NAME: ZHEJIANG ERG TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Taizhou City, Zhejiang Province, 317113 in the three County Economic Development Zone Patentee after: ZHEJIANG ERG TECHNOLOGY JOINT STOCK CO.,LTD. Address before: Taizhou City, Zhejiang Province, 317113 in the three County Economic Development Zone Patentee before: ZHEJIANG ERG TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |