CN104165703A - Substation equipment contact state on-line monitoring star network platform - Google Patents
Substation equipment contact state on-line monitoring star network platform Download PDFInfo
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- CN104165703A CN104165703A CN201410458488.2A CN201410458488A CN104165703A CN 104165703 A CN104165703 A CN 104165703A CN 201410458488 A CN201410458488 A CN 201410458488A CN 104165703 A CN104165703 A CN 104165703A
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Abstract
The invention relates to the substation equipment contact temperature monitoring technology, in particular to a substation equipment contact state on-line monitoring star network platform. The problems that an existing substation equipment contact temperature monitoring platform is instable in transmission, poor in transmission reliability, poor in antijamming capability, high in wiring difficulty, poor in measurement accuracy and measurement safety, high in maintenance cost and low in measurement precision are solved. The substation equipment contact state on-line monitoring star network platform comprises two collection layers, a transmission layer and a monitoring layer. Each collection layer comprises m SAW temperature sensors, m normal small spiral antennas, a spiral arm dipole antenna and a wireless temperature collector, wherein the m SAW temperature sensors are connected with the m normal small spiral antennas in a one-to-one corresponding mode, and the m normal small spiral antennas and the spiral arm dipole antenna form a star topological structure together. The substation equipment contact state on-line monitoring star network platform is applicable to substations.
Description
Technical field
The present invention relates to substation equipment contact temperature monitoring technology, specifically a kind of substation equipment contacts status on-line monitoring Star Network platform.
Background technology
Substation equipment is in During Process of Long-term Operation, its contact (being mainly dynamic and static contact and the cable splice in switch cubicle) easily occurs because aging or contact resistance is excessive that long-time heating and temperature rise are too high, cause thus equipment failure (be mainly switch cubicle burn fault and short circuit blow out fault), thus the safe operation of serious threat electrical network.Therefore,, in order to prevent the generation of above-mentioned fault, the main substation equipment contact temperature monitoring platform that adopts is monitored the temperature of substation equipment contact (being mainly dynamic and static contact and the cable splice in switch cubicle) at present.Under prior art condition, substation equipment contact temperature monitoring platform can be divided into following several according to temperature-measurement principle: conventional thermometric platform, optical fiber temperature-measurement platform, infrared measurement of temperature platform, active radio thermometric platform.Practice shows, various substation equipment contact temperature monitoring platforms are because self structure is limit above, there are the following problems: one, various substation equipment contact temperature monitoring platforms all lack rational network topology structure above, cause it all to have the problem that transmission is unstable, transmission reliability is poor.Its two, conventional thermometric platform adopts thermopair, thermal resistance, semiconductor temperature sensor to measure the temperature signal of substation equipment contact, and relies on plain conductor to transmit temperature signal.Because plain conductor has the poor characteristic of insulating property, cause it to have the problem of poor anti jamming capability.Its three, optical fiber temperature-measurement platform adopts fibre optic temperature sensor to measure the temperature signal of substation equipment contact, and relies on optical fiber to transmit temperature signal.Because optical fiber has the characteristic that insulating property easily reduce after easy to break, easily broken, non-refractory, accumulation dust, cause it to have poor anti jamming capability, the large problem of wiring difficulty.Its four, infrared measurement of temperature platform adopts infrared temperature probe to measure the temperature signal of substation equipment contact.Due to substation equipment (being mainly switch cubicle), inner space is narrow and small, complex structure, element block mutually more, cause infrared temperature probe cannot install that (this is because infrared temperature probe must keep certain safe distance with testee, and need to the surface of testee just to), exist measure dead angle, cause thus it to have the poor problem of measurement accuracy.Its five, active radio thermometric platform adopts the radio temperature sensor of active (with battery) to measure the temperature signal of substation equipment contact, and relies on sucker antenna to transmit temperature signal.Because point discharge phenomenon easily occurs sucker antenna under hot environment, cause it to have the problem of measuring poor stability.Meanwhile, because radio temperature sensor needs often to change battery, cause it to have the problem that maintenance cost is high.In addition,, because hot environment can affect the normal work of battery, cause it to have the problem that measuring accuracy is low.Based on this, be necessary to invent a kind of brand-new substation equipment contact temperature monitoring platform, to solve, the transmission of existing substation equipment contact temperature monitoring platform is unstable, transmission reliability is poor, poor anti jamming capability, wiring difficulty is large, measurement accuracy is poor, measure poor stability, maintenance cost is high, measuring accuracy is low problem.
Summary of the invention
In order to solve, the transmission of existing substation equipment contact temperature monitoring platform is unstable, transmission reliability is poor in the present invention, poor anti jamming capability, wiring difficulty is large, measurement accuracy is poor, measure poor stability, maintenance cost is high, measuring accuracy is low problem, and a kind of substation equipment contacts status on-line monitoring Star Network platform is provided.
The present invention adopts following technical scheme to realize: substation equipment contacts status on-line monitoring Star Network platform, comprises acquisition layer, transport layer, monitor layer; The number of described acquisition layer is two; Each acquisition layer includes m SAW(Surface Acoustic Wave, surface acoustic wave) temperature sensor, a m normal direction small spiral antenna, a spiral arm dipole antenna, a wireless temperature acquisition machine; M SAW temperature sensor and m normal direction small spiral antenna connect one to one; M normal direction small spiral antenna all with the wireless connections of spiral arm dipole antenna; M normal direction small spiral antenna and spiral arm dipole antenna form stelliform connection topology configuration jointly; Spiral arm dipole antenna is connected with wireless temperature acquisition machine; Described transport layer comprises a road RS-485 bus, primary gateway, standby gateway, power line network; Two wireless temperature acquisition machines, primary gateway, standby gateway are all connected with RS-485 bus; Primary gateway, standby gateway are all connected with power line network; Described monitor layer comprises a primary thermometric main control terminal, a thermometric main control terminal for subsequent use; Primary thermometric main control terminal, thermometric main control terminal for subsequent use are all connected with power line network; M is positive integer, and the m multiple that is 6.
When work, m in first acquisition layer SAW temperature sensor is arranged on each the dynamic and static contact in switch cubicle, m in first acquisition layer normal direction small spiral antenna is arranged in switch cubicle, spiral arm dipole antenna and wireless temperature acquisition machine in first acquisition layer are installed near switch cubicle.M SAW temperature sensor in second acquisition layer is arranged on each cable splice, m normal direction small spiral antenna, spiral arm dipole antenna, wireless temperature acquisition machine in second acquisition layer are installed near cable splice.Primary gateway, standby gateway in transport layer are installed in to supervisory control of substation chamber.Primary thermometric main control terminal in monitor layer, thermometric main control terminal for subsequent use are installed in to power system monitor center.Specific works process is as follows: the m in first acquisition layer SAW temperature sensor measured the temperature signal of each the dynamic and static contact in switch cubicle in real time.Wireless temperature acquisition machine in first acquisition layer is launched inquiry pulse by spiral arm dipole antenna in real time to m normal direction small spiral antenna.M SAW temperature sensor receives inquiry pulse in real time by m normal direction small spiral antenna, and carries the feedback pulse of temperature signal to the transmitting in real time of spiral arm dipole antenna by m normal direction small spiral antenna.Wireless temperature acquisition machine is received and carries the feedback pulse of temperature signal in real time by spiral arm dipole antenna, and the feedback pulse real time parsing receiving is become to temperature signal, and the temperature signal then parsing being obtained is sent to RS-485 bus in real time.M SAW temperature sensor in second acquisition layer measured the temperature signal of each cable splice in real time.Wireless temperature acquisition machine in second acquisition layer is launched inquiry pulse by spiral arm dipole antenna in real time to m normal direction small spiral antenna.M SAW temperature sensor receives inquiry pulse in real time by m normal direction small spiral antenna, and carries the feedback pulse of temperature signal to the transmitting in real time of spiral arm dipole antenna by m normal direction small spiral antenna.Wireless temperature acquisition machine is received and carries the feedback pulse of temperature signal in real time by spiral arm dipole antenna, and the feedback pulse real time parsing receiving is become to temperature signal, and the temperature signal then parsing being obtained is sent to RS-485 bus in real time.Primary gateway real time access RS-485 bus is also obtained temperature signal, then by power line network, the temperature signal getting is sent to primary thermometric main control terminal in real time.Primary thermometric main control terminal is carried out System, analysis, storage to the temperature signal receiving, and has realized thus temperature to the dynamic and static contact in switch cubicle and the temperature of cable splice and has carried out Real-Time Monitoring.In said process, in the time that primary gateway breaks down, standby gateway can be taken over primary gateway and carry out work, has ensured thus the continuity of monitoring.In the time that primary thermometric main control terminal breaks down, thermometric main control terminal for subsequent use can be taken over primary thermometric main control terminal and carry out work, has ensured equally thus the continuity of monitoring.
Based on said process, compared with existing substation equipment contact temperature monitoring platform, substation equipment contacts status on-line monitoring Star Network platform of the present invention is by adopting brand new, possesses following advantage: one, compared with above various substation equipment contact temperature monitoring platforms, substation equipment contacts status on-line monitoring Star Network platform of the present invention adopts normal direction small spiral antenna and spiral arm dipole antenna jointly to form stelliform connection topology configuration, it is by utilizing stelliform connection topology configuration simple in structure, control simple, fault diagnosis and isolation are easily, convenient service, the advantage of favorable expandability, possesses rational network topology structure, it combines power line network simultaneously does not need again to set up, as long as the advantage that live wire just can carry out data transmission, transmission stability and transmission reliability are effectively strengthened thus.They are two years old, compared with conventional thermometric platform, substation equipment contacts status on-line monitoring Star Network platform of the present invention adopts SAW temperature sensor to substitute thermopair, thermal resistance, semiconductor temperature sensor to measure the temperature signal of substation equipment contact, and adopt normal direction small spiral antenna and spiral arm dipole antenna to substitute plain conductor and transmit temperature signal, restricted by the characteristic of plain conductor, thereby effectively strengthened antijamming capability.They are three years old, compared with optical fiber temperature-measurement platform, substation equipment contacts status on-line monitoring Star Network platform of the present invention adopts SAW temperature sensor to substitute fibre optic temperature sensor to measure the temperature signal of substation equipment contact, and adopt normal direction small spiral antenna and spiral arm dipole antenna to substitute optical fiber and transmit temperature signal, restricted by the characteristic of optical fiber, thereby effectively strengthened antijamming capability, effectively reduced wiring difficulty.They are four years old, compared with infrared measurement of temperature platform, substation equipment contacts status on-line monitoring Star Network platform of the present invention adopts SAW temperature sensor to substitute infrared temperature probe to measure the temperature signal of substation equipment contact, no longer be subject to thus infrared temperature probe cannot install, exist the restriction of measuring dead angle, thereby effectively strengthened measurement accuracy.They are five years old, compared with active radio thermometric platform, substation equipment contacts status on-line monitoring Star Network platform of the present invention adopts SAW temperature sensor to substitute active radio temperature sensor to measure the temperature signal of substation equipment contact, and adopt normal direction small spiral antenna and spiral arm dipole antenna to substitute sucker antenna and transmit temperature signal, no longer be subject on the one hand thus sucker antenna that the restriction of point discharge phenomenon easily occurs under hot environment, thereby effectively strengthen measurement security, on the other hand because SAW temperature sensor belongs to passive device, no longer be subject to the restriction of battery, thereby effectively reduce maintenance cost, effectively improve measuring accuracy.In sum, substation equipment contacts status on-line monitoring Star Network platform of the present invention efficiently solves that the transmission of existing substation equipment contact temperature monitoring platform is unstable, transmission reliability is poor, poor anti jamming capability, wiring difficulty is large, measurement accuracy is poor, measure poor stability, maintenance cost is high, measuring accuracy is low problem, effectively prevented thus the generation of substation equipment fault, thus effective guarantee the safe operation of electrical network.
The present invention efficiently solves that the transmission of existing substation equipment contact temperature monitoring platform is unstable, transmission reliability is poor, poor anti jamming capability, wiring difficulty is large, measurement accuracy is poor, measure poor stability, maintenance cost is high, measuring accuracy is low problem, is applicable to transformer station.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Substation equipment contacts status on-line monitoring Star Network platform, comprises acquisition layer, transport layer, monitor layer;
The number of described acquisition layer is two; Each acquisition layer includes m SAW temperature sensor, a m normal direction small spiral antenna, a spiral arm dipole antenna, a wireless temperature acquisition machine; M SAW temperature sensor and m normal direction small spiral antenna connect one to one; M normal direction small spiral antenna all with the wireless connections of spiral arm dipole antenna; M normal direction small spiral antenna and spiral arm dipole antenna form stelliform connection topology configuration jointly; Spiral arm dipole antenna is connected with wireless temperature acquisition machine;
Described transport layer comprises a road RS-485 bus, primary gateway, standby gateway, power line network; Two wireless temperature acquisition machines, primary gateway, standby gateway are all connected with RS-485 bus; Primary gateway, standby gateway are all connected with power line network;
Described monitor layer comprises a primary thermometric main control terminal, a thermometric main control terminal for subsequent use; Primary thermometric main control terminal, thermometric main control terminal for subsequent use are all connected with power line network;
M is positive integer, and the m multiple that is 6.
When concrete enforcement, described SAW temperature sensor is tuning-fork-type SAW temperature sensor; Described wireless temperature acquisition machine is WSTM-WSR-ZZ02 type wireless temperature acquisition machine; Described primary gateway, standby gateway are KingGate MGM 3000 type gateways; Described primary thermometric main control terminal, thermometric main control terminal for subsequent use are WSTM-CTU-SC03 type thermometric main control terminal.
Claims (2)
1. a substation equipment contacts status on-line monitoring Star Network platform, is characterized in that: comprise acquisition layer, transport layer, monitor layer;
The number of described acquisition layer is two; Each acquisition layer includes m SAW temperature sensor, a m normal direction small spiral antenna, a spiral arm dipole antenna, a wireless temperature acquisition machine; M SAW temperature sensor and m normal direction small spiral antenna connect one to one; M normal direction small spiral antenna all with the wireless connections of spiral arm dipole antenna; M normal direction small spiral antenna and spiral arm dipole antenna form stelliform connection topology configuration jointly; Spiral arm dipole antenna is connected with wireless temperature acquisition machine;
Described transport layer comprises a road RS-485 bus, primary gateway, standby gateway, power line network; Two wireless temperature acquisition machines, primary gateway, standby gateway are all connected with RS-485 bus; Primary gateway, standby gateway are all connected with power line network;
Described monitor layer comprises a primary thermometric main control terminal, a thermometric main control terminal for subsequent use; Primary thermometric main control terminal, thermometric main control terminal for subsequent use are all connected with power line network;
M is positive integer, and the m multiple that is 6.
2. substation equipment contacts status on-line monitoring Star Network platform according to claim 1, is characterized in that: described SAW temperature sensor is tuning-fork-type SAW temperature sensor; Described wireless temperature acquisition machine is WSTM-WSR-ZZ02 type wireless temperature acquisition machine; Described primary gateway, standby gateway are KingGate MGM 3000 type gateways; Described primary thermometric main control terminal, thermometric main control terminal for subsequent use are WSTM-CTU-SC03 type thermometric main control terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410458488.2A CN104165703A (en) | 2014-09-11 | 2014-09-11 | Substation equipment contact state on-line monitoring star network platform |
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| CN201410458488.2A CN104165703A (en) | 2014-09-11 | 2014-09-11 | Substation equipment contact state on-line monitoring star network platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099777A (en) * | 2015-07-23 | 2015-11-25 | 南京国电南自轨道交通工程有限公司 | Method suitable for communication-gateway double-machine redundancy in rail transit power monitoring system |
-
2014
- 2014-09-11 CN CN201410458488.2A patent/CN104165703A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099777A (en) * | 2015-07-23 | 2015-11-25 | 南京国电南自轨道交通工程有限公司 | Method suitable for communication-gateway double-machine redundancy in rail transit power monitoring system |
| CN105099777B (en) * | 2015-07-23 | 2018-09-11 | 南京国电南自轨道交通工程有限公司 | The method of communication gate dual-computer redundancy suitable for track traffic electric power monitoring system |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhang Junliu Inventor after: Liu Chenglin Inventor after: Jin Xiaoping Inventor after: Gao Xin Inventor after: Li Zhexiang Inventor after: Gao Ronggui Inventor before: Zhang Junliu Inventor before: Guo Diankui Inventor before: Tong Haimei Inventor before: Wang Haifeng Inventor before: Fan Zhiyu Inventor before: Gao Ronggui |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG JUNLIU GUO DIANKUI TONG HAIMEI WANG HAIFENG FAN ZHIYU GAO RONGGUI TO: ZHANG JUNLIU LIU CHENGLIN JIN XIAOPING GAO XIN LI ZHEXIANG GAO RONGGUI |
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Application publication date: 20141126 |
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