CN202120712U - Main transformer forced oil circulation air cooling intelligent control device - Google Patents
Main transformer forced oil circulation air cooling intelligent control device Download PDFInfo
- Publication number
- CN202120712U CN202120712U CN2011202049692U CN201120204969U CN202120712U CN 202120712 U CN202120712 U CN 202120712U CN 2011202049692 U CN2011202049692 U CN 2011202049692U CN 201120204969 U CN201120204969 U CN 201120204969U CN 202120712 U CN202120712 U CN 202120712U
- Authority
- CN
- China
- Prior art keywords
- pin
- module
- main transformer
- control module
- forced oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model provides a main transformer forced oil circulation air cooling intelligent control device, which belongs to the technical field of main transformer air cooling control of an electrical power system. A master control module 1.1, a temperature sensor module1.2, a solid relay control module 1.3, a display module 1.4 and a trigger module 1.5 are arranged on a printed circuit board (PCB) main board. The master control module 1.1 is connected with the temperature sensor module1.2 through a pin 7, connected with the solid relay control module 1.3 and the trigger module 1.5 through a pin 13, a pin 14 and a pin 15, and connected with the display module 1.4 through a pin 39, a pin 38, a pin 37, a pin 36, a pin 35, a pin 34, a pin 33 and a pin 32. The temperature sensor module 1.2 is contacted with insulation oil of a main transformer forced oil circulation transformer so that a large-scale 220 KV transformer main transformer forced oil circulation air cooling system is controllable and intelligentized, and electricity is saved.
Description
Technical field
The utility model relates to the air-cooled control technology of electric power system main transformer field, the air-cooled intelligence controlling device of especially a kind of main transformer forced oil-circulation.
Technical background
Present most of 220kV transformer all adopts air-cooled cooling system.This is generally by 4 groups of cooling devices, and every group two fan motor formed.There is following problem in blower fan in this air cooling system: the one, and blower fan continuous running in 24 hours has increased the wearing and tearing to fan electromotor, and can cause the blower fan shortening in useful life; The 2nd, as long as fan is opened, air quantity is at full capacity.In the winter time, even the transformer top-oil temperature is not high, fan electromotor also will turn round always.So promptly wasted electric energy.In fact, the design of the refrigerating capacity of fans is that can to satisfy ambient temperature the highest, and the needs of transformer load when maximum.And this situation only occurs in little time, and except summer, in the most of the time, the refrigerating capacity of fans is superfluous.The size of transformer institute on-load is one of principal element of its temperature of decision, and the load curve of transformer determines its variations in temperature to a certain extent.Can find out that from load curve the load variations of transformer in one day is very large, differ from one times between peak value and the valley.Therefore, the air quantity of transformer fans has superfluous.The inventor combines the problems referred to above, through to single-chip microcomputer hardware specialized designs and software programming, reaches according to ambient temperature and insulating oil actual temperature the fan electromotor of air cooling system is controlled automatically, thereby obtain more satisfactory solution.
Retrieve through document; With the utility model the most approaching be that one Chinese patent application number is the patent application of 200920312031.5 " transformer network wind cooling controller " by name; This application is based on PLC controller and noncontacting switch and network technology; Have and can combine with the power station whole system, control more intelligent, efficient is higher is purpose.Purpose of the utility model and technical solution and above-mentioned open file are different.
The utility model content
The purpose of the utility model provides the air-cooled intelligence controlling device of a kind of main transformer forced oil-circulation, in the hope of according to ambient temperature and insulating oil actual temperature the fan electromotor of air cooling system being controlled automatically; Thereby reach the purpose of saves energy.
The purpose of the utility model realizes through following technical solution: the air-cooled intelligence controlling device of a kind of main transformer forced oil-circulation; Comprise the PCB mainboard 1 in a casing and the casing, it is characterized in that said PCB mainboard 1 is provided with main control module 1.1; Temperature sensor module 1.2; Solid-state relay control module 1.3, display module 1.4, trigger module 1.5; Said main control module 1.1 is connected with temperature sensor module 1.2 through pin 7, is connected with solid-state relay control module 1.3 and trigger module 1.5 connections through pin 13, pin 14, pin 15; Be connected with display module 1.4 through pin 39, pin 38, pin 37, pin 36, pin 35, pin 34, pin 33, pin 32, described temperature sensor module 1.2 contacts with main transformer forced oil-circulation transformer insulation oil.
The air-cooled intelligence controlling device of described main transformer forced oil-circulation is characterized in that, what described main control module 1.1 was selected for use is the AT89S52 single-chip microcomputer.
The air-cooled intelligence controlling device of described main transformer forced oil-circulation is characterized in that, that described temperature sensor module 1.2 is selected for use is digital temperature sensor DS18B20.
The air-cooled intelligence controlling device of described main transformer forced oil-circulation is characterized in that, described solid-state relay control module 1.3, and what select for use is the SSR-3-480D20B solid-state relay.
The air-cooled intelligence controlling device of described main transformer forced oil-circulation is characterized in that, described trigger module 1.5 is meant the fan speed-regulating operating key of low speed middling speed, the control of high speed third gear and is connected with solid-state relay control module 1.3.
The utility model and prior art relatively have following advantage and beneficial effect:
1, controlledization, the intellectuality of the air-cooled cooling system of large-scale 220kV transformer main transformer forced oil-circulation have been realized.
2, fan electromotor just adopts different gears to turn round according to temperature, has reduced the noise of motor operation, has reduced the time of fan electromotor running at full capacity, has prolonged the useful life of fan electromotor, has practiced thrift cost.
3, practice thrift 30% electric energy at least according to designing and calculating, 2.2 * 8 * 20 * 365 * 30%=38544kWh promptly economizes on electricity.Calculate by 0.5 yuan/kWh, 220kV forced oil-circulation air cooling system can be practiced thrift the electricity charge in 1 year nearly surplus in the of 20,000 yuan.
Description of drawings
Fig. 1 is this novel described air-cooled intelligent control device system block diagram representation.
Fig. 2 is this novel described air-cooled intelligence controlling device circuit theory sketch map.
Fig. 3 is this novel described air-cooled intelligence controlling device structural representation.
Embodiment
Can know that referring to Fig. 1 Fig. 2 Fig. 3 the air-cooled intelligence controlling device of main transformer forced oil-circulation comprises the PCB mainboard 1 in a casing and the casing; Said PCB mainboard 1 is provided with main control module 1.1, temperature sensor module 1.2, solid-state relay control module 1.3; Display module 1.4, trigger module 1.5; Said main control module 1.1 is connected with temperature sensor module 1.2 through pin 7, is connected with solid-state relay control module 1.3 and trigger module 1.5 connections through pin 13, pin 14, pin 15; Be connected with display module 1.4 through pin 39, pin 38, pin 37, pin 36, pin 35, pin 34, pin 33, pin 32; Described temperature sensor module 1.2 contacts with main transformer forced oil-circulation transformer insulation oil, test environment temperature and insulating oil actual temperature, and the fan electromotor to air cooling system under the support of main control module 1.1 is controlled automatically.What main control module 1.1 was selected for use is the AT89S52 single-chip microcomputer, in system, mainly accomplishes reading of temperature, control the solid-state electrical equipment that continues according to Switching Strategy and carry out the blower fan switching, and in host computer communication.AT89S52 is 8 single-chip microcomputers of a high performance CMOS of low-power consumption, and sheet includes the FLASH program storage of 8KB ISP, supports online programming, compatibility standard MCS-51 command system and 80C51 pin configuration.
That described temperature sensor module 1.2 is selected for use is digital temperature sensor DS18B20, can accomplish temp sensing function.DS18B20 is DSLLAS up-to-date " a line device ", and volume is little, and it is wide to be suitable for voltage, and temperature-measuring range is big, measures accurately, and temperature is directly propagated with the digital form of " one-wire bus ", makes peripheral circuit become simple.During connecting circuit, for anti-interference, the power line of DS18B20 separates with the DQ holding wire; The DQ holding wire is used shielding conductor; Screen one end is unsettled, and after other end ground connection was installed on the spot, the furthest of DS18B20 and main controller single-chip microcomputer can reach 50m; Satisfied with main transformer forced oil-circulation transformer insulation oil and contacted the needs of test environment temperature and insulating oil actual temperature; And transmit data with 2 LED charactrons with serial ports and realize that temperature shows.
Described solid-state relay control module 1.3, what select for use is the SSR-3-480D20B solid-state relay.The existing amplification driving action of SSR solid-state relay has buffer action again, is well suited for driving high power switch or performer.SSR is a kind of four end active devices, and wherein two ends are the input control end, and the input power consumption is very low, with TTL, and the COMS circuit compatibility, two ends are outputs in addition, inside is provided with output protection circuit.The SSR non-contact circuit, work do not produce spark, contactless bad phenomenon, electromagnetic interference is little, between control end and the load end up to the isolation more than the 2.5KV.Make forceful electric power and light current isolate, realize light current control forceful electric power.
Described trigger module 1.5 is meant the fan speed-regulating operating key of low speed middling speed, the control of high speed third gear and is connected with solid-state relay control module 1.3.Showing that the present operating state of fan speed regulation system has three kinds, is respectively lower-speed state, middling speed state and fast state, and this system indicates as state with light-emitting diode.
What system's single-chip microcomputer used is the external clock vibration, and frequency of oscillation is the 11.0592MHZ of standard.
Figure below is the control device major parameter:
The described air-cooled intelligence controlling device course of work is following:
1, energized, power supply indicator is bright;
2, press the startup mains switch, system brings into operation;
3, when manual button is upspring, be manual state, temperature is shown as Current Temperatures;
4, press low speed respectively to the high speed button, corresponding indicator light is bright;
5, when system is in auto state, if transformer top layer insulating oil temperature is higher than 50 ℃, the low speed lamp is lighted automatically, rotation speed of fan 500 commentaries on classics/min; When temperature was higher than 60 ℃, the middling speed lamp was lighted, and rotation speed of fan is 750 commentaries on classics/min; When temperature was higher than 70 ℃, the high speed lamp was lighted, and rotation speed of fan is 960 commentaries on classics/min.
Claims (5)
1. air-cooled intelligence controlling device of main transformer forced oil-circulation; Comprise the PCB mainboard (1) in a casing and the casing, it is characterized in that said PCB mainboard (1) is gone up to be provided with and mainly contained main control module (1.1); Temperature sensor module (1.2); Solid-state relay control module (1.3), display module (1.4), trigger module (1.5); Said main control module (1.1) is connected with temperature sensor module (1.2) through pin 7, is connected with solid-state relay control module (1.3) and trigger module (1.5) connection through pin 13, pin 14, pin 15; Be connected with display module (1.4) through pin 39, pin 38, pin 37, pin 36, pin 35, pin 34, pin 33, pin 32, described temperature sensor module (1.2) contacts with main transformer forced oil-circulation transformer insulation oil.
2. the air-cooled intelligence controlling device of main transformer forced oil-circulation according to claim 1 is characterized in that, what described main control module (1.1) was selected for use is the AT89S52 single-chip microcomputer.
3. the air-cooled intelligence controlling device of main transformer forced oil-circulation according to claim 1 is characterized in that, that described temperature sensor module (1.2) is selected for use is digital temperature sensor DS18B20.
4. the air-cooled intelligence controlling device of main transformer forced oil-circulation according to claim 1 is characterized in that, described solid-state relay control module (1.3), and what select for use is the SSR-3-480D20B solid-state relay.
5. the air-cooled intelligence controlling device of main transformer forced oil-circulation according to claim 1; It is characterized in that described trigger module (1.5) is meant the fan speed-regulating operating key of low speed, middling speed, the control of high speed third gear and is connected with solid-state relay control module (1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202049692U CN202120712U (en) | 2011-06-17 | 2011-06-17 | Main transformer forced oil circulation air cooling intelligent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202049692U CN202120712U (en) | 2011-06-17 | 2011-06-17 | Main transformer forced oil circulation air cooling intelligent control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202120712U true CN202120712U (en) | 2012-01-18 |
Family
ID=45461758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202049692U Expired - Lifetime CN202120712U (en) | 2011-06-17 | 2011-06-17 | Main transformer forced oil circulation air cooling intelligent control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202120712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607723A (en) * | 2012-03-29 | 2012-07-25 | 邢台供电公司 | Operating temperature monitoring and early warning system for distribution network transformer |
| CN109256262A (en) * | 2018-09-29 | 2019-01-22 | 国家电网有限公司 | A kind of air cooling equipment of transformer |
-
2011
- 2011-06-17 CN CN2011202049692U patent/CN202120712U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607723A (en) * | 2012-03-29 | 2012-07-25 | 邢台供电公司 | Operating temperature monitoring and early warning system for distribution network transformer |
| CN109256262A (en) * | 2018-09-29 | 2019-01-22 | 国家电网有限公司 | A kind of air cooling equipment of transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201435018Y (en) | Dryer control circuit | |
| CN204020489U (en) | Vehicular solar semiconductor refrigerating air conditioning device | |
| CN202221538U (en) | Cabin intelligent constant temperature controller of wind generator | |
| CN204651721U (en) | Energy-saving constant-temperature low-tension switch cabinet | |
| CN202120712U (en) | Main transformer forced oil circulation air cooling intelligent control device | |
| CN201476144U (en) | Wind-solar complementary alternating current/direct current automatic control hot water and power supply warming system | |
| CN202331330U (en) | Laptop heat radiator capable of regulating wind power | |
| CN203573233U (en) | Energy-saving control circuit for computer radiator | |
| CN201829302U (en) | Energy-saving type transformer cooling system | |
| CN202615249U (en) | Solar power generation temperature control system | |
| CN204591746U (en) | A kind of fan intelligent control system | |
| CN203691851U (en) | Variable pitch driver heat dissipation apparatus used for wind generating set | |
| CN202940988U (en) | UPS heating structure | |
| CN201698238U (en) | Special temperature monitor for wind-power box type substation | |
| CN201925195U (en) | Solar electric fan | |
| CN205657352U (en) | Energy -conserving switch board suitable for desert area | |
| CN202004343U (en) | Novel automatic cooling electric substation | |
| CN219262572U (en) | Wind turbine generator system becomes oar system | |
| CN201360362Y (en) | Solar energy LED drive with heat balance adjusting circuit | |
| CN202764719U (en) | Automatic monitoring system for automobile rectifier | |
| CN207704295U (en) | A kind of temperature control system of intelligent charger | |
| CN202792622U (en) | Solar heat collecting system water-circulating pump controller based on solar cell panel power supply | |
| CN204043698U (en) | A kind of agricultural environment wireless sensor device of wind light mutual complementing energy supply | |
| CN201004190Y (en) | An energy-saving noise reduction power supply | |
| CN211958766U (en) | Intelligent transformer auto-induction action power saving device |
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. Effective date: 20140115 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: MIANYANG POWER SUPPLY COMPANY, STATE GRID SICHUAN Free format text: FORMER NAME: MIANYANG ELECTRIC POWER BUREAU OF SICHUAN ELECTRIC POWER CORP. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 621000 Mianyang city of Sichuan Province sword South Road West No. 16 Patentee after: MIANYANG POWER SUPPLY COMPANY, STATE GRID SICHUAN ELECTRIC POWER Co.,Ltd. Address before: 621000 Mianyang city of Sichuan Province sword South Road West No. 16 Patentee before: Mianyang Power Bureau, Sichuan Electric Power Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140115 Address after: 621000 Mianyang city of Sichuan Province sword South Road West No. 16 Patentee after: MIANYANG POWER SUPPLY COMPANY, STATE GRID SICHUAN ELECTRIC POWER Co.,Ltd. Patentee after: State Grid Corporation of China Address before: 621000 Mianyang city of Sichuan Province sword South Road West No. 16 Patentee before: MIANYANG POWER SUPPLY COMPANY, STATE GRID SICHUAN ELECTRIC POWER Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |