CN104776936A - Distributed low-voltage electric connection joint online temperature-measuring system based on ZigBee technology - Google Patents
Distributed low-voltage electric connection joint online temperature-measuring system based on ZigBee technology Download PDFInfo
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- CN104776936A CN104776936A CN201510133588.2A CN201510133588A CN104776936A CN 104776936 A CN104776936 A CN 104776936A CN 201510133588 A CN201510133588 A CN 201510133588A CN 104776936 A CN104776936 A CN 104776936A
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Abstract
The invention discloses a distributed low-voltage electric connection joint online temperature-measuring system based on a ZigBee technology. The distributed low-voltage electric connection joint online temperature-measuring system is characterized by comprising a main control chamber provided with a background detection center, low-voltage draw-out switchgear equipment positioned in a distribution region A, low-voltage grid connection equipment positioned in a distribution region B, a low-voltage distribution transformer positioned in a distribution region C and box-type substation equipment positioned in a distribution region D, wherein ZigBee wireless emitting distributed modules in the low-voltage draw-out switchgear equipment, the low-voltage grid connection equipment, the low-voltage distribution transformer and the box-type substation equipment are all connected with a ZigBee wireless receiving center module in the main control chamber though a ZigBee wireless router module. According to the distributed low-voltage electric connection joint online temperature-measuring system, a temperature value of an electrical connecting point is sensed by using a special low-voltage temperature-measuring sensor, and temperature data is acquired by a distributed data acquirer, the temperature value and the temperature data are transmitted to a background monitoring center system through a ZigBee wireless transmission network, so that online displaying, recording and storing, intelligent diagnosing and alarming of temperature data are realized.
Description
Technical field
The invention belongs to low voltage electrical equipment monitoring field, relate to the distributed low-voltage electrical tie point In-Line Temperature Measure System based on ZigBee technology.
Background technology
Along with the increase day by day of power load, the scale that national energy is built is also increasing, the new models such as distributed energy, distributed power generation, Distributed power are there is, specific to low voltage electrical equipment, also distributed arrangement is presented, as equipment such as low voltage switch equipment, low-pressure grid-connection equipment, low-tension transformer, cable distribution box and case changes, they are usually transported to region, power station expert at one and become dispersion, distributed layout.These equipment are in long-time running, because electric connecting point oxidation, running overload, tie point loose contact all can cause equipment or crucial tie point to exceed standard for a long time heating, insulation ag(e)ing, as processed not in time, can cause time serious and burn or the accident such as insulation breakdown, give and to produce and electric system runs continuously and causes significant impact.
The overheated reason of low voltage electrical equipment is that its tie point temperature rise is above standard caused by value for a long time, and this just needs obtain the Current Temperatures numerical value of electric connecting point by certain channel and carry out timely examine and replace, to reach the object of the continuous safe operation of electrical equipment.Because low-voltage equipment is numerous and in distributed arrangement, regular, the quantitative power failure work of patrolling and examining conventional is at present made to become large, the consuming time length of workload, headache problem that maintainer is many.For above situation, market not yet provides reasonable solution at present.
Summary of the invention
To be solved by this invention is that existing low voltage equipment causes overheated technical matters because its tie point temperature rise exceeds standard for a long time.
In order to solve the problem, the invention provides a kind of distributed low-voltage electrical tie point In-Line Temperature Measure System based on ZigBee technology, it is characterized in that, comprise the master-control room being provided with backstage inspection center, be positioned at the low voltage draw-out switchgear of A distributive province, be positioned at the low-pressure grid-connection equipment of B distributive province, be positioned at the low voltage distribution transformer of C distributive province and be positioned at the box type transformation station equipment of D distributive province, ZigBee wireless transmit distributed module one in low voltage draw-out switchgear is connected with the ZigBee wireless receiving center module one in master-control room respectively by ZigBee wireless routing module one with the ZigBee wireless transmit distributed module two in low-pressure grid-connection equipment, ZigBee wireless transmit distributed module three in low voltage distribution transformer is connected with the ZigBee wireless receiving center module two in master-control room respectively by ZigBee wireless routing module two with the ZigBee wireless transmit distributed module four in box type transformation station equipment.
Preferably, backstage monitoring industrial computer and difference connected ZigBee wireless receiving center module one, ZigBee wireless receiving center module two, software real time on-line monitoring system, Database Systems, standby power supply, printer apparatus, SMS alarm unit and acousto-optic warning unit is provided with in described master-control room.
Preferably, described low voltage draw-out switchgear comprises the busbar tie point, dynamic/static contact tie point, cable connection point, frame circuit breaker tie point, the chopper switch tie point that are connected with low pressure Special temperature sensor one respectively, and low pressure Special temperature sensor connects distributed data collector one, ZigBee wireless transmit distributed module one again and again successively.
Preferably, described low-pressure grid-connection equipment comprises the access contact tie point, cable connection point, the switchgear tie point that are connected with low pressure Special temperature sensor two respectively, and low pressure Special temperature sensor two connects distributed data collector two, ZigBee wireless transmit distributed module two more successively.
Preferably, described low voltage distribution transformer comprises the busbar tie point, the cable connection point that are connected with low pressure Special temperature sensor three respectively, and low pressure Special temperature sensor three connects distributed data collector three, ZigBee wireless transmit distributed module three more successively.
Preferably, described box type transformation station equipment comprises the busbar tie point, moving contact tie point, cable connection point, switch junctions, the chopper switch tie point that are connected with low pressure Special temperature sensor four respectively, and low pressure Special temperature sensor four connects distributed data collector four, ZigBee wireless transmit distributed module four more successively.
The present invention adopts distributed frame, each distributive province low pressure Special temperature sensor is connected to distributed data collector by private mask connection, distributed data collector is connected by wire communication network and ZigBee wireless transmit distributed module, ZigBee wireless transmit distributed module by wireless mode by collected information transmitting to ZigBee wireless routing module, the information that ZigBee wireless routing resume module receives is wirelessly transmitted to ZigBee wireless receiving center module further, ZigBee wireless receiving center module is monitored industrial computer by communication port and backstage and is connected.Backstage monitoring industrial computer connects printer apparatus, SMS alarm unit, acousto-optic warning unit, standby power supply apparatus respectively, and mounting software real time on-line monitoring system, Database Systems.
The present invention can be applicable to the equipment in low-pressure field, be exclusively used in low-pressure field equipment, as low voltage switch equipment, low-pressure grid-connection equipment, low-tension transformer, the equipment such as cable distribution box and case change, by low pressure Special temperature sensor perception electric connecting point Temperature numerical, distributed data collector is connected to by industrial siding, distributed data collector collects the temperature data after temperature probe conversion, backstage monitoring center system is emitted to by ZigBee wireless-transmission network, backstage monitoring center system realizes the Real time displaying of temperature data, record stores, intelligent diagnostics and warning.
The present invention has following beneficial effect:
1, native system mainly adopts ZigBee networking technology, low in energy consumption and self-organization distribution data acquisition unit, form wireless communication system, each channel wireless signals does not interfere with each other, by parallel for the temperature information of each distributed low-voltage electrical tie point, transparent transmission to backstage monitoring center, field wiring difficulty can be solved, lay the problems such as cable manpower consumption is large, electromagnetic interference (EMI) is strong.
2, native system solves low-voltage equipment distributed temperature measuring problem.Temperature probe, distributed data collector, ZigBee wireless module can be arranged in different distributions region, according to zones of different and equipment, different alarming value is set, configuration is convenient, is especially applied to large quantity low pressure point for measuring temperature, disperses distributed low-voltage electrical tie point thermometric occasion on a large scale.
3, native system provides multiple Intelligent Diagnosis Technology means.To sensor with or without, communication state, temperature pre-warning, temperature alarming, communication port fault all-around intelligent diagnosis, guide field wiring, debugging, fault are investigated rapidly.
4, native system can in power house such as photovoltaics, Guo Wang transformer station, factory of enterprise distribution substation, distributed box-type substation etc. have the occasion of low voltage electrical equipment, can quick position trouble spot, alleviate and even cancel regular visit work, reach the final purpose promoting low-voltage electric system reliability and security.
Accompanying drawing explanation
Fig. 1 is the module diagram of a kind of distributed low-voltage electrical tie point In-Line Temperature Measure System based on ZigBee technology provided by the invention.
Embodiment
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
Embodiment
As shown in Figure 1, for the module diagram of a kind of distributed low-voltage electrical tie point In-Line Temperature Measure System based on ZigBee technology provided by the invention, comprise the master-control room being provided with backstage inspection center, the low voltage draw-out switchgear being positioned at A distributive province, be positioned at B distributive province low-pressure grid-connection equipment, be positioned at the low voltage distribution transformer of C distributive province and be positioned at the box type transformation station equipment of D distributive province.
Backstage monitoring industrial computer and difference connected ZigBee wireless receiving center module one, ZigBee wireless receiving center module two, software real time on-line monitoring system, Database Systems, standby power supply, printer apparatus, SMS alarm unit and acousto-optic warning unit is provided with in master-control room.
Low voltage draw-out switchgear comprises the busbar tie point, dynamic/static contact tie point, cable connection point, frame circuit breaker tie point, the chopper switch tie point that are connected with low pressure Special temperature sensor one respectively, and low pressure Special temperature sensor connects distributed data collector one, ZigBee wireless transmit distributed module one again and again successively.
Low-pressure grid-connection equipment comprises the access contact tie point, cable connection point, the switchgear tie point that are connected with low pressure Special temperature sensor two respectively, and low pressure Special temperature sensor two connects distributed data collector two, ZigBee wireless transmit distributed module two more successively.
Low voltage distribution transformer comprises the busbar tie point, the cable connection point that are connected with low pressure Special temperature sensor three respectively, and low pressure Special temperature sensor three connects distributed data collector three, ZigBee wireless transmit distributed module three more successively.
Box type transformation station equipment comprises the busbar tie point, moving contact tie point, cable connection point, switch junctions, the chopper switch tie point that are connected with low pressure Special temperature sensor four respectively, and low pressure Special temperature sensor four connects distributed data collector four, ZigBee wireless transmit distributed module four more successively.
ZigBee wireless transmit distributed module one in low voltage draw-out switchgear is connected with the ZigBee wireless receiving center module one in master-control room respectively by ZigBee wireless routing module one with the ZigBee wireless transmit distributed module two in low-pressure grid-connection equipment; ZigBee wireless transmit distributed module three in low voltage distribution transformer is connected with the ZigBee wireless receiving center module two in master-control room respectively by ZigBee wireless routing module two with the ZigBee wireless transmit distributed module four in box type transformation station equipment
The present invention is applied to the equipment of low-pressure field, as low voltage switch equipment, low-pressure grid-connection equipment, low-tension transformer, box type transformation station equipment.Native system adopts distributed frame, comprises low pressure Special temperature sensor, distributed data collector, ZigBee wireless transmit distributed module, ZigBee wireless routing module, ZigBee wireless receiving center module, backstage monitoring center system.Low pressure Special temperature sensor, distributed data collector, ZigBee wireless transmit distributed module are positioned at each Distributed Area, backstage monitoring center system is positioned at master-control room, ZigBee wireless routing module correct position between corresponding distributive province and master-control room, specific works principle is described as follows:
Low pressure Special temperature sensor, be arranged on the places such as low-voltage equipment busbar tie point, contact tie point, cable connection point, isolating switch tie point and all kinds of switch junctions, the temperature signal of automatic detection electric connecting point, receives distributed data collector by private mask line; Distributed data collector is arranged on Distributed Area apparatus body or with regard to nearby, the signal that sensor is carried is changed to digital signal, by cable network, as RS485 network or Ethernet are connected to ZigBee wireless transmit distributed module; ZigBee wireless transmit distributed module is arranged on distributed data collector just nearby, by wireless mode by collected information transmitting to ZigBee wireless routing module.ZigBee wireless routing module selects correct position to install according to actual conditions, and the information received is wirelessly transmitted to ZigBee wireless receiving center module by further, and ZigBee wireless receiving center module is monitored industrial computer by communication port and backstage and is connected; Backstage monitoring industrial computer connects printer apparatus, SMS alarm unit, acousto-optic warning unit, standby power supply apparatus respectively, and mounting software real time on-line monitoring system, Database Systems; Software real time on-line monitoring system carries out selectivity reading, process, in real time display, intelligent diagnostics and warning to temperature data in all ZigBee wireless receiving center module, and is recorded in Database Systems, for inquiry by the data after diagnostic analysis.
Claims (6)
1. the distributed low-voltage electrical tie point In-Line Temperature Measure System based on ZigBee technology, it is characterized in that, comprise the master-control room being provided with backstage inspection center, be positioned at the low voltage draw-out switchgear of A distributive province, be positioned at the low-pressure grid-connection equipment of B distributive province, be positioned at the low voltage distribution transformer of C distributive province and be positioned at the box type transformation station equipment of D distributive province, ZigBee wireless transmit distributed module one in low voltage draw-out switchgear is connected with the ZigBee wireless receiving center module one in master-control room respectively by ZigBee wireless routing module one with the ZigBee wireless transmit distributed module two in low-pressure grid-connection equipment, ZigBee wireless transmit distributed module three in low voltage distribution transformer is connected with the ZigBee wireless receiving center module two in master-control room respectively by ZigBee wireless routing module two with the ZigBee wireless transmit distributed module four in box type transformation station equipment.
2. as claimed in claim 1 based on the distributed low-voltage electrical tie point In-Line Temperature Measure System of ZigBee technology, it is characterized in that, in described master-control room, be provided with backstage monitoring industrial computer and difference connected ZigBee wireless receiving center module one, ZigBee wireless receiving center module two, software real time on-line monitoring system, Database Systems, standby power supply, printer apparatus, SMS alarm unit and acousto-optic warning unit.
3. as claimed in claim 1 based on the distributed low-voltage electrical tie point In-Line Temperature Measure System of ZigBee technology, it is characterized in that, described low voltage draw-out switchgear comprises the busbar tie point, dynamic/static contact tie point, cable connection point, frame circuit breaker tie point, the chopper switch tie point that are connected with low pressure Special temperature sensor one respectively, and low pressure Special temperature sensor connects distributed data collector one, ZigBee wireless transmit distributed module one again and again successively.
4. as claimed in claim 1 based on the distributed low-voltage electrical tie point In-Line Temperature Measure System of ZigBee technology, it is characterized in that, described low-pressure grid-connection equipment comprises the access contact tie point, cable connection point, the switchgear tie point that are connected with low pressure Special temperature sensor two respectively, and low pressure Special temperature sensor two connects distributed data collector two, ZigBee wireless transmit distributed module two more successively.
5. as claimed in claim 1 based on the distributed low-voltage electrical tie point In-Line Temperature Measure System of ZigBee technology, it is characterized in that, described low voltage distribution transformer comprises the busbar tie point, the cable connection point that are connected with low pressure Special temperature sensor three respectively, and low pressure Special temperature sensor three connects distributed data collector three, ZigBee wireless transmit distributed module three more successively.
6. as claimed in claim 1 based on the distributed low-voltage electrical tie point In-Line Temperature Measure System of ZigBee technology, it is characterized in that, described box type transformation station equipment comprises the busbar tie point, moving contact tie point, cable connection point, switch junctions, the chopper switch tie point that are connected with low pressure Special temperature sensor four respectively, and low pressure Special temperature sensor four connects distributed data collector four, ZigBee wireless transmit distributed module four more successively.
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| CN201510133588.2A CN104776936A (en) | 2015-03-25 | 2015-03-25 | Distributed low-voltage electric connection joint online temperature-measuring system based on ZigBee technology |
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| CN201510133588.2A CN104776936A (en) | 2015-03-25 | 2015-03-25 | Distributed low-voltage electric connection joint online temperature-measuring system based on ZigBee technology |
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| CN106067696A (en) * | 2016-07-06 | 2016-11-02 | 苏州华安普电力科技股份有限公司 | A kind of Unmanned Transformer Place fuse safety-protection system backing up fuse more |
| CN107687908A (en) * | 2017-08-24 | 2018-02-13 | 重庆大学 | A kind of method and system for the temperature rise focus and temperature monitoring for obtaining dry-type air-core reactor |
| CN110440852A (en) * | 2019-07-18 | 2019-11-12 | 正泰电气股份有限公司 | Oil-immersed transformer lifetime estimation method and assessment device |
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| CN110440852A (en) * | 2019-07-18 | 2019-11-12 | 正泰电气股份有限公司 | Oil-immersed transformer lifetime estimation method and assessment device |
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