CN201413941Y - Transformer intelligent air-cooling control cabinet - Google Patents
Transformer intelligent air-cooling control cabinet Download PDFInfo
- Publication number
- CN201413941Y CN201413941Y CN2009200270170U CN200920027017U CN201413941Y CN 201413941 Y CN201413941 Y CN 201413941Y CN 2009200270170 U CN2009200270170 U CN 2009200270170U CN 200920027017 U CN200920027017 U CN 200920027017U CN 201413941 Y CN201413941 Y CN 201413941Y
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- China
- Prior art keywords
- contactor
- cooling device
- transformer
- air switch
- control
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- Expired - Fee Related
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Abstract
The utility model discloses a transformer intelligent air-cooling control cabinet which comprises a terminal row, an air switch, a contactor and a non-contact thyristor module which are sequentially connected with each other; a working power supply switching device can be used for switching two control power supplies and is in adapter coupling with a programmable controller and a power supply module by the terminal row; a temperature and humidity controller is respectively used for controlling the starting of a fan and a heater; a motor protection device and a thermo-relay are used for protecting the running of an air blower arranged inside a transformer cooling device; and a sensing signal of the transformer cooling device can be collected by the programmable controller, and the transformer cooling device can be switched by controlling the non-contact thyristor module. The control cabinet adopts a modular design, can conveniently control logic alternative, and has the characteristicsof strong expandability, convenient maintenance, better safety, long service life, low maintenance cost of the equipment and the like.
Description
Technical field
The utility model relates to and a kind of transformer cooling device is carried out the air-cooled control cubicle of Based Intelligent Control, belongs to a kind of low voltage control equipment.
Background technology
At present, transformer cooling device uses the relay mode to control, and finds a lot of problems in actual application, when for example cooling device divides into groups input or excision operation, the relay loose contact may cause the control system fault, even causes the tripping operation that transformer is unnecessary.Timely switching cooling device uses relay control radiator cooler, standby cooling device input and when out of service, owing to can cause interior local oily temperature abnormality of transformer and waste of energy; The cooling device of grouping running needs artificial conversion operating condition, is difficult to realize the unattended requirement of electric power system.
Summary of the invention
In order to solve problems of the prior art, the utility model provides a kind of intelligent transformer air-cooled control cubicle, and its technical scheme of taking is:
This control cubicle comprises cabinet and is located at the interior working power switching device shifter of cabinet; air switch; contactor; Programmable Logic Controller; power module; contactless thyristor module; motor protecter; thermal relay; terminal board; temperature and humidity controller; fan and heater; terminal board; air switch; contactor is connected successively with contactless thyristor module; the working power switching device shifter switches two-way control power supply by terminal board switching Programmable Logic Controller and power module; temperature and humidity controller is controlled the unlatching of fan and heater respectively; the operation of blower fan in motor protecter and the thermal relay protection transformer cooling device; Programmable Logic Controller is gathered the transducing signal of transformer cooling device, and by the control of contactless thyristor module being realized the switching of transformer cooling device.
Air switch is made up of air switch I and air switch II, and contactor is made up of contactor I and contactor II, and contactor I connects air switch I, and contactor II connects air switch II, and contactor I and contactor II are by the mutual locking of interlocking member.
Programmable Logic Controller (PLC) is gathered the data of transformer cooling device, by analyzing computing, contactless thyristor module is carried out automated intelligent control, and then each group transformer cooling device of intelligent operation/cutting.PLC can send parameters such as the status signal of each equipment of cooling system, major failures into the user monitoring system, and can accept the control command from a distant place, and then has realized remote measurement, remote signalling and the remote control of this system.The working power switching device shifter can be realized two-way working power " work " and " standby " state each other, and when working power broke down, stand-by power supply can drop into automatically, and sent " working power fault " signal to remote control center.
The employing modularized design of this control cubicle, control logic change is easy, characteristics such as have that extendibility is strong, easy to maintenance, high safety, long service life, maintenance of equipment expense are low.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is an electrical schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As depicted in figs. 1 and 2, this control cubicle comprises cabinet and is located at cabinet interior working power switching device shifter, air switch, contactor, Programmable Logic Controller 6, power module 5, contactless thyristor module 15, motor protecter 16, thermal relay 19, terminal board 7, temperature and humidity controller 2, fan 11 and heater 18.Travel switch 1 is gathered the switching signal of stainless steel cabinet Over-The-Counter door, if open the door illuminating lamp 3 is lighted, temperature and humidity controller 2 is gathered the temperature-humidity signal of surrounding environment, starts fan 11 if temperature is crossed the higher position, and high humidity or temperature are crossed the low heater 18 that just starts.Draw the two-way electrical source of power outward and receive on the terminal board 8, switch two-way control power supply by the working power switching device shifter, wherein one tunnel control power supply is transferred on power module 5 and the Programmable Logic Controller 6 by terminal board 8.The motor operation of motor protecter 16 and thermal relay 19 protection cooling arrangements, as break down is excised the blower fan subsequent signal automatically to Programmable Logic Controller 6, and by auxiliary relay 4 signal is passed to Central Control Room.
As shown in Figure 3, the inlet wire side splicing ear of air switch I10 and air switch II14 row 8, their outlet side is received the inlet wire side of contactor I9 and contactor II13 respectively.Contactor I9 and contactor II13 are by interlocking member 12 mutual lockings, and their outlet side joint is to contactless thyristor module 15.The transducing signal of cooling arrangement is input to the signal input part of Programmable Logic Controller 6 by terminal board 7, Programmable Logic Controller 6 computing by analysis, by its output contactless thyristor module 15 is carried out automated intelligent control, and then each group transformer cooling device of intelligent operation/cutting.
This control cubicle is controlled cooling device by dual mode:
1, manual mode: adopt to start and stop button control.
2, control: PLC gathers in real time and monitors each equipment running status of cooling system automatically, in time handling failure and alarm signal.Carry out the Comprehensive Control of automatic equalization according to parameters such as transformer temperature and load variations, cooling device group number, cooling device running times.
1) when satisfying pasta temperature＞=K2, press the transformer oil surface temperature and drop into cooling device, when satisfying pasta temperature＜=K1, withdraw from cooling device; Whole when out of service when cooling device, cooling device full cut-off fault-signal is sent in time-delay.
2) sensor acquisition transformer load electric current is to PLC, and PLC starts the respective numbers cooling device automatically according to the load current size.
3) write down transformer oil surface temperature, Transformer Winding temperature, every cooling device accumulated running time, every parameter such as the cooling device number of starts automatically, carry out trend analysis, use the priority that this trend analysis draws cooling device work, thereby can make the cooling device automatic cyclic permutation switch-throwing.
4) have loop with transformer high-voltage side switch gearing, when high side switch during at separating brake transformer cooling device stop automatically, and can remove the interlock function.
5) leave interface with fire alarm system in system's control cubicle, when breaking out of fire, the stoppage in transit cooling device.
Claims (2)
1; the air-cooled control cubicle of a kind of intelligent transformer; comprise cabinet and be located at the interior working power switching device shifter of cabinet; air switch; contactor; Programmable Logic Controller (6); power module (5); contactless thyristor module (15); motor protecter (16); thermal relay (19); terminal board (7); temperature and humidity controller (2); fan (11) and heater (18); it is characterized in that: terminal board (7); air switch; contactor is connected successively with contactless thyristor module (15); the working power switching device shifter switches two-way control power supply by terminal board (7) switching Programmable Logic Controller (6) and power module (5); temperature and humidity controller (2) is controlled the unlatching of fan (11) and heater (18) respectively; the operation of blower fan in motor protecter (16) and thermal relay (19) the protection transformer cooling device; Programmable Logic Controller (6) is gathered the transducing signal of transformer cooling device, and by the control of contactless thyristor module (15) being realized the switching of transformer cooling device.
2, the air-cooled control cubicle of intelligent transformer according to claim 1, it is characterized in that: air switch is made up of air switch I (10) and air switch II (14), contactor is made up of contactor I (9) and contactor II (13), contactor I (9) connects air switch I (10), contactor II (13) connects air switch II (14), and contactor I (9) and contactor II (13) are by interlocking member (12) locking mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200270170U CN201413941Y (en) | 2009-06-03 | 2009-06-03 | Transformer intelligent air-cooling control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200270170U CN201413941Y (en) | 2009-06-03 | 2009-06-03 | Transformer intelligent air-cooling control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413941Y true CN201413941Y (en) | 2010-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200270170U Expired - Fee Related CN201413941Y (en) | 2009-06-03 | 2009-06-03 | Transformer intelligent air-cooling control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413941Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794259A (en) * | 2011-05-24 | 2012-11-28 | 叶守权 | Drying tunnel intelligent control cabinet and control system thereof |
| CN104022448A (en) * | 2013-10-31 | 2014-09-03 | 昆山洛博格机械技术咨询有限公司 | Three-path power supply automatic switching control device |
| CN105652912A (en) * | 2016-03-17 | 2016-06-08 | 保定市瑞高电气有限公司 | Novel intelligent transformer air cooling control cabinet |
| CN106710807A (en) * | 2016-11-30 | 2017-05-24 | 国网山东省电力公司青州市供电公司 | Intelligent transformer air cooling system and control method thereof |
| CN108415360A (en) * | 2018-03-16 | 2018-08-17 | 石河子天域新实化工有限公司 | A kind of cold power supply security method of rectifier transformer alopecia areata |
| CN110137813A (en) * | 2019-04-30 | 2019-08-16 | 上海智大电子有限公司 | A kind of ACU control cabinet suitable for pipe gallery environment |
-
2009
- 2009-06-03 CN CN2009200270170U patent/CN201413941Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794259A (en) * | 2011-05-24 | 2012-11-28 | 叶守权 | Drying tunnel intelligent control cabinet and control system thereof |
| CN104022448A (en) * | 2013-10-31 | 2014-09-03 | 昆山洛博格机械技术咨询有限公司 | Three-path power supply automatic switching control device |
| CN105652912A (en) * | 2016-03-17 | 2016-06-08 | 保定市瑞高电气有限公司 | Novel intelligent transformer air cooling control cabinet |
| CN106710807A (en) * | 2016-11-30 | 2017-05-24 | 国网山东省电力公司青州市供电公司 | Intelligent transformer air cooling system and control method thereof |
| CN108415360A (en) * | 2018-03-16 | 2018-08-17 | 石河子天域新实化工有限公司 | A kind of cold power supply security method of rectifier transformer alopecia areata |
| CN110137813A (en) * | 2019-04-30 | 2019-08-16 | 上海智大电子有限公司 | A kind of ACU control cabinet suitable for pipe gallery environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20110603 |