CN105092062A - Outdoor transformer station power plant temperature measurement warning system - Google Patents
Outdoor transformer station power plant temperature measurement warning system Download PDFInfo
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- CN105092062A CN105092062A CN201510588595.1A CN201510588595A CN105092062A CN 105092062 A CN105092062 A CN 105092062A CN 201510588595 A CN201510588595 A CN 201510588595A CN 105092062 A CN105092062 A CN 105092062A
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Abstract
The invention discloses an outdoor transformer station power plant temperature measurement warning system. The outdoor transformer station power plant temperature measurement warning system comprises at least one front end subsystem and a back end subsystem, wherein the front end subsystem comprises a first temperature sensor connected with a main transformer connection point, a second temperature sensor mounted at an outdoor breaker outgoing end, a third temperature sensor mounted at an isolation switch, a fourth temperature sensor mounted at an outdoor current transformer and a wireless-to-wired data transponder, wherein the back end subsystem comprises an alarm device, and the first temperature sensor, the second temperature sensor, the third temperature sensor and the fourth temperature sensor are respectively connected with the wireless-to-wired data transponder. According to the outdoor transformer station power plant temperature measurement warning system, real-time monitoring on temperature of outdoor equipment of a transformer station power plant can be realized, and alarm is carried out when the temperature surpasses a set threshold, so accidents are prevented.
Description
Technical field
The present invention relates to temperature detection technical field, particularly relate to the outdoor temperature measurement early warning system of power plant of a kind of transformer station.
Background technology
Electric system " send out, become, defeated, join, with " there is a large amount of tie points in links, these tie points contact resistance either large or small because a variety of causes exists causes contact point temperature to raise, in operational process these tie points because of mechanical vibration, cross thermal oxide, the reason such as lax, the surface corrosion of expanding makes contact resistance increase further, cause tie point local pyrexia even arc discharge, finally cause the accidents such as electrical equipment damage, power failure, fire or blast, economy, the safe operation of electrical network in serious threat.
In plant stand, the lead contact of electrical equipment is more, and tens is thousands of at most at least; To the work of the temperature detection of outdoor lead contact time-consuming, the effort of the most headache of operating management department especially.Current adopted discolor temp measuring adhesive sheet or infrared thermometer carry out detecting its effect because being subject to the impact of testee surface configuration and degree very large, the a large amount of manpower of this dependence carries out detecting certain limitation, automaticity is not high, the more important thing is in cabinet by Timeliness coverage, great accident potential can not be there is with the heat condition of the electrical equipment of unattended substation.
Aborning, the accident caused because electrical equipment tie point is overheated, accounts for the significant proportion of piece electrical accident, and as can not Timeliness coverage, this accident potential will bring great threat to safe power supply.For Timeliness coverage hidden danger, the generation avoiding accident, temperature online Real-Time Monitoring and intelligent alarm must be implemented to each tie point of electrical equipment.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide power plant of a kind of transformer station outdoor temperature measurement early warning system, the Real-Time Monitoring to power plant of transformer station outdoor equipment temperature can be realized, report to the police when temperature exceedes setting threshold value, try to avert accidents.
The object of the invention is to be achieved through the following technical solutions: the outdoor temperature measurement early warning system of power plant of a kind of transformer station, comprise at least one front terminal system and backend systems, front terminal system comprises the first temperature sensor being installed on main-transformer tie point, be installed on the second temperature sensor of outdoor breaker outgoing line end, be installed on the three-temperature sensor of isolation switch, be installed on the 4th temperature sensor of outdoor current transformer and wirelessly turn cable headend, backend systems comprises warning device, first temperature sensor, second temperature sensor, three-temperature sensor is all connected with the wireless cable headend that turns with the 4th temperature sensor, the wireless cable headend that turns is connected with warning device.
Described backend systems also comprises web server, database server and PC, and web server, database server and PC are all connected with the wireless cable headend that turns.
Described first temperature sensor, the second temperature sensor, three-temperature sensor and the 4th temperature sensor are radio temperature sensor.
Described first temperature sensor, the second temperature sensor, three-temperature sensor and the equal water-proof sensor of the 4th temperature sensor, the wireless cable headend that turns is that waterproof wireless turns cable headend.
The described wireless cable headend that turns comprises controller, display screen, the first wireless communication chips, RS485 driving circuit, RS485 interface and switch module, controller is connected with display screen, the first wireless communication chips, RS485 driving circuit and switch module respectively, and RS485 driving circuit is connected with RS485 interface.
Described first temperature sensor, the second temperature sensor, three-temperature sensor and the 4th temperature sensor include circuit protection shell, be arranged on the metal guide hot plate of circuit protection shell outside, be arranged on the temp probe on metal guide hot plate and be arranged on the internal circuit of circuit protection shell inside, and metal guide hot plate is connected with circuit protection shell.
Described internal circuit comprises filtering circuit, amplifying circuit, A/D change-over circuit, single-chip microcomputer and second wireless communication chips of connecting successively, and filtering circuit is connected with temp probe.
Described first wireless communication chips is Bluetooth chip or ZigBee chip.
Described second wireless communication chips is Bluetooth chip or ZigBee chip.
Described warning device comprises at least one in audible alarm unit and light warning device.
The invention has the beneficial effects as follows:
(1) the present invention can carry out Real-Time Monitoring to the temperature of the main-transformer of power plant of transformer station outdoor, isolating switch, isolation switch summation current transformer, reports to the police, try to avert accidents when temperature exceedes the threshold value of setting;
(2) the wireless cable headend that turns is provided with display screen, can show testing result in real time on the spot;
(3) by shortening the distance between temp probe and object to be measured, reduce the loss in metal guide hot plate delivered heat process, while increasing cost hardly, temperature measurement accuracy and response speed can be improved, thus measured point temperature can be measured timely and effectively.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the outdoor temperature measurement early warning system of power plant of a kind of transformer station of the present invention;
Fig. 2 is the wireless structured flowchart turning cable headend in the present invention;
Fig. 3 is the structured flowchart of temperature sensor in the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, the outdoor temperature measurement early warning system of power plant of a kind of transformer station, comprise at least one front terminal system and backend systems, front terminal system comprises the first temperature sensor being installed on main-transformer tie point, be installed on the second temperature sensor of outdoor breaker outgoing line end, be installed on the three-temperature sensor of isolation switch, be installed on the 4th temperature sensor of outdoor current transformer and wirelessly turn cable headend, backend systems comprises warning device, first temperature sensor, second temperature sensor, three-temperature sensor is all connected with the wireless cable headend that turns with the 4th temperature sensor, the wireless cable headend that turns is connected with warning device.
First temperature sensor gathers the temperature data at main-transformer tie point place, second temperature sensor gathers the temperature data of outdoor breaker outgoing line end, three-temperature sensor gathers the temperature data of isolation switch, 4th temperature sensor gathers the temperature data of current transformer, first temperature sensor, second temperature sensor, the temperature data collected all is sent to the wireless cable headend that turns by three-temperature sensor and the 4th temperature sensor, the wireless cable headend that turns shows the temperature data received in real time by display screen, this temperature data is sent to web server simultaneously, database server, PC and warning device, when temperature data exceedes the threshold value of setting, warning device is reported to the police, remind staff, try to avert accidents, the temperature data that database server storage receives, web server provides the access mode based on web, is convenient to staff and checks correlated temperature data.
Described backend systems also comprises web server, database server and PC, and web server, database server and PC are all connected with the wireless cable headend that turns.
Described first temperature sensor, the second temperature sensor, three-temperature sensor and the 4th temperature sensor are radio temperature sensor.Described first temperature sensor, the second temperature sensor, three-temperature sensor and the 4th temperature sensor are all not more than 60m to the wireless distance turning cable headend.
Described first temperature sensor, the second temperature sensor, three-temperature sensor and the equal water-proof sensor of the 4th temperature sensor, the wireless cable headend that turns is that waterproof wireless turns cable headend.
Described warning device comprises at least one in audible alarm unit and light warning device.
As shown in Figure 2, the described wireless cable headend that turns comprises controller, display screen, the first wireless communication chips, RS485 driving circuit, RS485 interface and switch module, controller is connected with display screen, the first wireless communication chips, RS485 driving circuit and switch module respectively, and RS485 driving circuit is connected with RS485 interface.Wirelessly turn cable headend by the data retransmission that receives to backend systems, these data are shown on the spot by display screen simultaneously.Described first wireless communication chips is Bluetooth chip or ZigBee chip
As shown in Figure 3; described first temperature sensor, the second temperature sensor, three-temperature sensor and the 4th temperature sensor include circuit protection shell, be arranged on the metal guide hot plate of circuit protection shell outside, be arranged on the temp probe on metal guide hot plate and be arranged on the internal circuit of circuit protection shell inside, and metal guide hot plate is connected with circuit protection shell.
Described internal circuit comprises filtering circuit, amplifying circuit, A/D change-over circuit, single-chip microcomputer and second wireless communication chips of connecting successively, and filtering circuit is connected with temp probe.By shortening the distance between temp probe and object to be measured, reduce the loss in metal guide hot plate delivered heat process, while increasing cost hardly, temperature measurement accuracy and response speed can be improved, thus measured point temperature can be measured timely and effectively.
Described second wireless communication chips is Bluetooth chip or ZigBee chip.
The above is only the preferred embodiment of the present invention, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (9)
1. the outdoor temperature measurement early warning system of power plant of transformer station, it is characterized in that: comprise at least one front terminal system and backend systems, front terminal system comprises the first temperature sensor being installed on main-transformer tie point, be installed on the second temperature sensor of outdoor breaker outgoing line end, be installed on the three-temperature sensor of isolation switch, be installed on the 4th temperature sensor of outdoor current transformer and wirelessly turn cable headend, backend systems comprises warning device, first temperature sensor, second temperature sensor, three-temperature sensor is all connected with the wireless cable headend that turns with the 4th temperature sensor, the wireless cable headend that turns is connected with warning device.
2. the outdoor temperature measurement early warning system of power plant of a kind of transformer station according to claim 1, it is characterized in that: described backend systems also comprises web server, database server and PC, web server, database server and PC are all connected with the wireless cable headend that turns.
3. a kind of switch cubicle temperature measurement early warning system according to claim 1, is characterized in that: described first temperature sensor, the second temperature sensor, three-temperature sensor and the 4th temperature sensor are radio temperature sensor.
4. a kind of switch cubicle temperature measurement early warning system according to claim 1, it is characterized in that: described first temperature sensor, the second temperature sensor, three-temperature sensor and the equal water-proof sensor of the 4th temperature sensor, the wireless cable headend that turns is that waterproof wireless turns cable headend.
5. a kind of switch cubicle temperature measurement early warning system according to claim 1, it is characterized in that: the described wireless cable headend that turns comprises controller, display screen, the first wireless communication chips, RS485 driving circuit, RS485 interface and switch module, controller is connected with display screen, the first wireless communication chips, RS485 driving circuit and switch module respectively, and RS485 driving circuit is connected with RS485 interface.
6. a kind of switch cubicle temperature measurement early warning system according to claim 1, it is characterized in that: described first temperature sensor, the second temperature sensor, three-temperature sensor and the 4th temperature sensor include circuit protection shell, be arranged on the metal guide hot plate of circuit protection shell outside, be arranged on the temp probe on metal guide hot plate and be arranged on the internal circuit of circuit protection shell inside, and metal guide hot plate is connected with circuit protection shell;
Described internal circuit comprises filtering circuit, amplifying circuit, A/D change-over circuit, single-chip microcomputer and second wireless communication chips of connecting successively, and filtering circuit is connected with temp probe.
7. a kind of switch cubicle temperature measurement early warning system according to claim 5, is characterized in that: described first wireless communication chips is Bluetooth chip or ZigBee chip.
8. a kind of switch cubicle temperature measurement early warning system according to claim 6, is characterized in that: described second wireless communication chips is Bluetooth chip or ZigBee chip.
9. a kind of switch cubicle temperature measurement early warning system according to claim 1, is characterized in that: described warning device comprises at least one in audible alarm unit and light warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510588595.1A CN105092062A (en) | 2015-09-16 | 2015-09-16 | Outdoor transformer station power plant temperature measurement warning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510588595.1A CN105092062A (en) | 2015-09-16 | 2015-09-16 | Outdoor transformer station power plant temperature measurement warning system |
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| CN105092062A true CN105092062A (en) | 2015-11-25 |
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| CN201510588595.1A Pending CN105092062A (en) | 2015-09-16 | 2015-09-16 | Outdoor transformer station power plant temperature measurement warning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884083A (en) * | 2017-09-24 | 2018-04-06 | 国网山东省电力公司菏泽市定陶区供电公司 | Temperature measuring alarming apparatus at a kind of line contacts |
| CN110095154A (en) * | 2019-05-21 | 2019-08-06 | 深圳洲斯移动物联网技术有限公司 | A kind of temperature/humiditydetection detection system |
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| CN201774315U (en) * | 2010-06-24 | 2011-03-23 | 甘肃省电力公司兰州供电公司 | Online temperature wireless monitoring system for transformer substation |
| CN201868949U (en) * | 2010-11-14 | 2011-06-15 | 河南省电力公司濮阳供电公司 | Substation equipment box temperature monitoring device |
| CN103557964A (en) * | 2013-11-08 | 2014-02-05 | 国家电网公司 | Accurate temperature measuring system for high-voltage switch cabinet busbar |
| CN104266771A (en) * | 2014-09-25 | 2015-01-07 | 西安航天自动化股份有限公司 | High-voltage equipment temperature monitoring system based on ZigBee |
| CN104655298A (en) * | 2013-11-19 | 2015-05-27 | 陕西龙海工程建设有限公司 | High-precision water temperature monitoring system |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201774314U (en) * | 2010-06-24 | 2011-03-23 | 甘肃省电力公司兰州供电公司 | Wireless temperature monitoring system for power transmission line equipment |
| CN201774315U (en) * | 2010-06-24 | 2011-03-23 | 甘肃省电力公司兰州供电公司 | Online temperature wireless monitoring system for transformer substation |
| CN201868949U (en) * | 2010-11-14 | 2011-06-15 | 河南省电力公司濮阳供电公司 | Substation equipment box temperature monitoring device |
| CN103557964A (en) * | 2013-11-08 | 2014-02-05 | 国家电网公司 | Accurate temperature measuring system for high-voltage switch cabinet busbar |
| CN104655298A (en) * | 2013-11-19 | 2015-05-27 | 陕西龙海工程建设有限公司 | High-precision water temperature monitoring system |
| CN104266771A (en) * | 2014-09-25 | 2015-01-07 | 西安航天自动化股份有限公司 | High-voltage equipment temperature monitoring system based on ZigBee |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107884083A (en) * | 2017-09-24 | 2018-04-06 | 国网山东省电力公司菏泽市定陶区供电公司 | Temperature measuring alarming apparatus at a kind of line contacts |
| CN110095154A (en) * | 2019-05-21 | 2019-08-06 | 深圳洲斯移动物联网技术有限公司 | A kind of temperature/humiditydetection detection system |
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Application publication date: 20151125 |
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