CN201449563U - Intelligent temperature monitoring device for 220KV switch box in electric power substation - Google Patents
Intelligent temperature monitoring device for 220KV switch box in electric power substation Download PDFInfo
- Publication number
- CN201449563U CN201449563U CN2009200158467U CN200920015846U CN201449563U CN 201449563 U CN201449563 U CN 201449563U CN 2009200158467 U CN2009200158467 U CN 2009200158467U CN 200920015846 U CN200920015846 U CN 200920015846U CN 201449563 U CN201449563 U CN 201449563U
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- Prior art keywords
- temperature
- switch box
- intelligent temperature
- switch
- supervising device
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model belongs to an electric power facility, that is, an intelligent temperature monitoring device for a 220KV switch box in an electric power substation. The utility model is characterized in that a temperature sensor is arranged in the switch box, the temperature sensor is connected with a temperature monitor equipped with a singlechip, and the temperature monitor is connected with a heater and a temperature indicator, and is connected with a computer in the duty room through a transmission protocol line. Due to the employment of a data sensing and processing device, operators can have access to the data about the temperature in the switch box and grasp the operating condition of heating equipment, without frequently leaving the duty room to open the switch box for check-up in winter, thereby facilitating maintenance of and realizing real-time monitoring over the switch box. Moreover, as an addition to the utility model, a high-intelligence temperature control heating device is provided, which can regulate the temperature in the switch box as required, so that the utility model provides an agreeable solution to the temperature control problem of the 220KV switch box.
Description
Technical field
The utility model belongs to a kind of electric power facility, the promptly a kind of 220KV of electric substation switch box intelligent temperature supervising device.
Background technology
At present, many homemade 220KV line switchings still adopt the hydraulic oil operating mechanism, with the folding of hydraulic oil gauge tap.Hydraulic oil is relatively more responsive to environment temperature, and under low temperature environment, the flowability of oil reduces, and switch tripping fault just may occur.In northern China, winter temperature is very low, can reach subzero 20-30 ℃, prevent the tripping of switch, must be provided with temperature controller in switch box, and when the temperature inside the box was lower than determined value, the heater block of temperature controller is additional heat with regard to starting working., this heater block belongs to consumable accessory, needs frequently to change.For this reason, the maintainer needs every day and carries out OOBA (out of box audit), and workload is very big, but also can not grasp the situation of device work in the case at any time, exists potential safety hazard.
Summary of the invention
The purpose of this utility model provides a kind of intelligent temperature supervising device that can monitor temperature regime in the 220KV of the electric substation switch box at any time.
Above-mentioned purpose is realized by following technical scheme, develop a kind of 220KV of electric substation switch box intelligent temperature supervising device, be characterized in: in said switch box, be provided with temperature sensor, temperature sensor interrelates with the temperature monitor that single-chip microcomputer is housed, temperature monitor and well heater and temperature indicator join, and interrelate by the computing machine in 232 or 485 transmission protocol circuits and the duty room.
Said temperature controller has a transformer B that can connect power supply, transformer B has the Secondary Winding of two exportable low-voltages, and one of them Secondary Winding is joined through the bridge-type metering circuit of rectifier bridge ZLQ1, filter capacitor C1 and resistance R 1, R2, R3 and thermistor Rt formation; Another Secondary Winding connects the work loop through rectifier bridge ZLQ2, filter capacitor C2; The output connection control circuit of bridge-type metering circuit, promptly meet operational amplifier YSQ, the output of operational amplifier YSQ connects the input utmost point of valve control integrated circuit FD501, the output pin of valve control integrated circuit FD501 is connected to plural triode respectively, the collector of each triode is connected to each relay respectively, the contact of relay is controlled each magnetic switch respectively, and the contact of magnetic switch is the heater element in Control work loop respectively.
Said triode has four, is respectively T2, T3, T4, T5.
Said relay has four, and wherein three J2, J3, J4 control a magnetic switch respectively, another J5 control total magnetic force switch.
Said magnetic switch Q1, Q2, Q3 control heater element W1, W2, W3 respectively.
The beneficial effects of the utility model are: owing to adopted the data sensor treating apparatus, outside duty room or switch box, just can see the temperature inside the box data and firing equipment ruuning situation, the operations staff needn't be often OOBA (out of box audit) in the winter time, both be convenient to safeguard, realized real-time monitoring again, adopted high intelligent temperature control heating arrangement in addition, can regulate the temperature inside the box as required, preferably resolve the temperature control difficult problem of 220KV switch box.
Description of drawings
Fig. 1 is the structured flowchart of a kind of embodiment;
Fig. 2 is the wiring diagram of this embodiment;
Fig. 3 is the circuit diagram of the temperature monitor of this embodiment.
Embodiment
Introduce a kind of embodiment below in conjunction with accompanying drawing: as shown in Figure 1, 2, this device mainly is made of temperature sensor, temperature monitor, intelligent well heater and signal transmission line and indoor PC etc.Its course of work is: temperature sensor is transported to temperature monitor to the temperature data of gathering, the singlechip CPU of temperature monitor the inside is carried out analyzing and processing by definite program to these data, monitor outside case sends digital signal then, and intelligent well heater sent work order, send report by 485 transmission protocol circuits to the PC of duty room simultaneously, send into computer display after the Computer Processing in duty room and show, monitor for the operations staff.Temperature variations in the real-time pilot switch case of the PC of duty room can be adjusted automatically during temperature exceeding standard, and send warning.And whether monitoring switch box internal heater power supply is normal, can send alerting signal during as power failure, notifies the operations staff to handle.
Communication between the interior watch-dog (CPU) of PC in the duty room and each switch box can adopt 232 or 485 two kind of digital communication photoelectricity isolating interface, is connected on the PC side.When wherein adopting 232 communication interfaces, host computer can only connect an instrument, three-way connection, about 15 meters of transmission range; Host computer need be joined the converter of a 232-485 when adopting 485 communication interfaces, and multipotency connects 256 instrument, and the two wires connects, the about km of transmission range, thereby recommend to adopt 485 transmission.Its communications protocol mode is:
1. in each intelligence instrument side: communication baud rate is that 1200,2400,4800,9600 fourth gear are adjustable, and data layout is 1 start bit, 8 data bit, 2 position of rests, no parity check position.
2. host computer is sent out read command
(address code+80H)+(address code+80H)+(52H (reading))+(the parameter code that will read)+(00H)+(00H)+(verification and (the first six byte and/remainder of 80H))
3. host computer is sent out write order
(address code+80H)+(address code+80H)+(57H (writing))+(the parameter code that will write)+(parameter value most-significant byte)+(parameter value least-significant byte)+(verification and (the first six byte and/remainder of 80H))
4. instrument is returned (measured value most-significant byte)+(measured value least-significant byte)+(parameter value most-significant byte)+(parameter value least-significant byte)+(output valve)+(meter status byte)+(verification and (the first six byte and/remainder of 80H))
6. host computer should add parameter amplitude limit function by the specification of instrument to the program segment of instrument write data, in case the data of super scope write instrument, makes its cisco unity malfunction.
Host computer send out the interval time that reads or writes instruction should be more than or equal to 0.3 second, too short instrument may have little time to reply
8. instrument does not send radix point information, should be provided with as required when compiling host computer procedure
9. measured value is 32767 (7FFFH) expression HH (super last range), is 32512 (7F00H) expression LL (super following range).
Other
1. every frame data are 7 bytes, and double byte is all high-order preceding, low level after.
2. instrument alarm condition byte is:
| ?0 | 0 | 0 | 0 | 0 | 0 | AL1 | AL2 |
State=1, position is for reporting to the police, and state=0, position is non-warning.
For cooperating said apparatus work, Fig. 3 has introduced a kind of intelligent well heater.As shown in the figure, this well heater has a transformer B that can insert the 220V AC power, and transformer B has two Secondary Winding, and alternating current becomes two low-voltages through a winding of transformer on two Secondary Winding.Wherein one the tunnel through rectifier bridge ZLQ1, the filter capacitor C1 bridge-type metering circuit power supply to resistance R 1, R2, R3 and thermistor Rt composition.Another road through rectifier bridge ZLQ2, filter capacitor C2 to work loop power supply.
Measure the output Access Control circuit in loop, promptly insert operational amplifier YSQ, the output of operational amplifier is connected to valve control integrated circuit FD501 output pin to triode T2, T3, T4, T5, the collector of triode T2, T3, T4, T5 is connected to relay J 2, J3, J4, J5 respectively, the contact of relay is controlled magnetic switch Q1, Q2, Q3 respectively, and the contact of magnetic switch Q1, Q2, Q3 is controlled heater element W1, W2, W3 respectively.When the temperature that will control raises or reduce, the voltage of measuring loop output changes according to certain rules, its voltage is delivered to operational amplifier YSQ, with its voltage amplification, deliver to multipole valve control integrated circuit FD501 again, control four triode T2, T3, T4, T5 and four auxiliary reclay J2, J3, J4, J5.
For example: when temperature is 50 ℃, the voltage that amplifier YSQ amplifies is delivered to multipole valve control integrated circuit FD501, control four triode T2, T3, T4, T5, four auxiliary reclay J2, J3, J4, J5 all are failure to actuate, the contact that closes commonly used of four relay J 2, J3, J4, J5 starts magnetic switch Q2, Q3, Q4, three well heater W1, W2, W3 heating of switching on.The T2 pipe is connected when temperature is elevated to 70 ℃, the J2 actuating of relay, and the Q2 magnetic starter disconnects, and stops a well heater W1.When temperature is elevated to 90 ℃, the T3 conducting, relay J 3 actions disconnect magnetic switch Q3, stop a well heater W2 again.When temperature is elevated to ratings, the T4 conducting, relay J 4 actions, last well heater W3 stops.If the well heater that has does not stop for some reason, continue to heat up, the magnetic switch total loop is cut off in the last conducting of triode T5, stops heating.Otherwise when temperature declined by a big margin, each well heater can start work successively.
Claims (5)
1. the 220KV of electric substation switch box intelligent temperature supervising device, it is characterized in that: in said switch box, be provided with temperature sensor, temperature sensor interrelates with the temperature monitor that single-chip microcomputer is housed, temperature monitor and well heater and temperature indicator join, and interrelate by the computing machine in 232 or 485 transmission protocol circuits and the duty room.
2. the 220KV of electric substation switch box intelligent temperature supervising device according to claim 1, it is characterized in that: said temperature monitor has a transformer B that can connect power supply, transformer B has the Secondary Winding of two exportable low-voltages, and one of them Secondary Winding is joined through the bridge-type metering circuit of rectifier bridge ZLQ1, filter capacitor C1 and resistance R 1, R2, R3 and thermistor Rt formation; Another Secondary Winding connects the work loop through rectifier bridge ZLQ2, filter capacitor C2; The output connection control circuit of bridge-type metering circuit, promptly meet operational amplifier YSQ, the output of operational amplifier YSQ connects the input utmost point of valve control integrated circuit FD501, the output pin of valve control integrated circuit FD501 is connected to plural triode respectively, the collector of each triode is connected to each relay respectively, the contact of relay is controlled each magnetic switch respectively, and the contact of magnetic switch is the heater element in Control work loop respectively.
3. the 220KV of electric substation switch box intelligent temperature supervising device according to claim 2, it is characterized in that: said triode has four, is respectively T2, T3, T4, T5.
4. the 220KV of electric substation switch box intelligent temperature supervising device according to claim 2, it is characterized in that: said relay has four, and wherein three J2, J3, J4 control a magnetic switch respectively, another J5 control total magnetic force switch.
5. the 220KV of electric substation switch box intelligent temperature supervising device according to claim 2, it is characterized in that: said magnetic switch Q1, Q2, Q3 control heater element W1, W2, W3 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200158467U CN201449563U (en) | 2009-07-22 | 2009-07-22 | Intelligent temperature monitoring device for 220KV switch box in electric power substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200158467U CN201449563U (en) | 2009-07-22 | 2009-07-22 | Intelligent temperature monitoring device for 220KV switch box in electric power substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449563U true CN201449563U (en) | 2010-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200158467U Expired - Fee Related CN201449563U (en) | 2009-07-22 | 2009-07-22 | Intelligent temperature monitoring device for 220KV switch box in electric power substation |
Country Status (1)
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|---|---|
| CN (1) | CN201449563U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163913A (en) * | 2011-12-19 | 2013-06-19 | 苏州能健电气有限公司 | Heating circuit of wheel shaft box of wind power pitch system |
| CN103425152A (en) * | 2012-05-21 | 2013-12-04 | 海洋王（东莞）照明科技有限公司 | Temperature control circuit of incubator |
| CN107256047A (en) * | 2017-05-23 | 2017-10-17 | 中北大学 | Solid-state atomic spin sensor is without magnetic temperature control system |
-
2009
- 2009-07-22 CN CN2009200158467U patent/CN201449563U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163913A (en) * | 2011-12-19 | 2013-06-19 | 苏州能健电气有限公司 | Heating circuit of wheel shaft box of wind power pitch system |
| CN103425152A (en) * | 2012-05-21 | 2013-12-04 | 海洋王（东莞）照明科技有限公司 | Temperature control circuit of incubator |
| CN103425152B (en) * | 2012-05-21 | 2017-07-28 | 海洋王（东莞）照明科技有限公司 | Temperature control circuit of incubator |
| CN107256047A (en) * | 2017-05-23 | 2017-10-17 | 中北大学 | Solid-state atomic spin sensor is without magnetic temperature control system |
| CN107256047B (en) * | 2017-05-23 | 2019-01-04 | 中北大学 | Solid-state atomic spin sensor is without magnetic temperature control system |
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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: 20100505 Termination date: 20100722 |