CN101639498A - High-voltage grounding on-line monitor - Google Patents
High-voltage grounding on-line monitor Download PDFInfo
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- CN101639498A CN101639498A CN200910102093A CN200910102093A CN101639498A CN 101639498 A CN101639498 A CN 101639498A CN 200910102093 A CN200910102093 A CN 200910102093A CN 200910102093 A CN200910102093 A CN 200910102093A CN 101639498 A CN101639498 A CN 101639498A
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- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 22
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000012806 monitoring device Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 12
- 238000011161 development Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000001012 protector Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
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- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010063900 Steal syndrome Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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Abstract
The invention relates to a monitoring device, in particular to a monitor used for field high-voltage electricity. In the invention, a mutual inductor is used for detecting real-time current data and real-time voltage data, and the current data and the voltage data are sent to a monitoring center and personal mobile phones through a current and voltage detecting module, a signal processing circuit,a singlechip and a wireless data receiving and sending module, wherein the serial ports of the singlechip and the wireless data receiving and sending module are connected, the GPRS network for data is connected with a server through a public data communication network, and the personal mobile phones are communicated with the wireless data receiving and sending module through the public data communication network, thus the current and the voltage of grounding cables can be transmitted to the monitoring center and the mobile phones of related personnel in real time. The monitor of the inventionhas the advantages of low implementation cost, convenient operation and easy popularization, ensures that the grounding conditions can be controlled by a manager every moment, and can be widely usedfor safety monitoring of the high-voltage power supply in the field.
Description
Technical field
The present invention relates to a kind of pick-up unit, specifically be meant a kind of on-line monitoring instrument that is used for open-air high-tension electricity.
Technical background
At present a lot of electric power or other all have the installation earthed system, but do not have the fault system of reflection in time, go wrong and want lot of manpower and material resources to go to the scene to measure, so promptly waste time and the wasting manpower and material resources, to the time lengthening of repairing, the economic loss that causes is bigger.
Electric power facility is the material base of electric power industry development, and electric power facility becomes some appurtenance targets.Domestic electric power facility steal phenomenon is serious, has had influence on the normal operation of power grid enterprises, but electric power facility scatters open-air characteristics, makes tradition take precautions against again and performs practically no function; Therefore need set up the electric power warning system of a cover, guarantee the safety of electric power facility based on long-range.
In addition, the position that present most high-voltage earthing case is put is all distant far from the urban district, and all in meagrely-populated place, this provides favourable crime environment for the crime one's share of expenses for a joint undertaking, in case it is stolen, also Nobody Knows, only in line maintenance, could find, exist serious potential safety hazard, and when committing a crime, the offender also adopted different means to come power circuit is stolen, it is not enough only depending on mechanical means to protect, and must adopt stability strong, and the warning system that quality reaches a standard solves the variety of issue that is run at present.
According to investigation, electric power facility maintenance at present, management and antitheft situation are summarized as follows:
1, most of high-voltage earthing casees, electric power facilities such as power transformer are in the open air, and are scattered in ground such as each street, the combination area of city and country, suburb, field, and this has brought a lot of troubles with regard to the safety management of giving the high-voltage earthing case.
2, power department can not be assigned a large amount of manpowers, in artificial mode each high-voltage earthing case is monitored in real time, and the stolen or ruined phenomenon of the equipment that prevents takes place.
3, at home, also once adopted such as infrared ray, limited distance wireless telecommunications in the part province, and modes such as physics anti-thefting facility solve the high-voltage earthing case, power transformer.But,, caused the waste of a large amount of human and material resources and financial resources because the limitation of these systems or product principle a little less than false alarm, the antijamming capability, can not in time be received alerting signal.Simultaneously, wireless transmit mode power is big, needs consumes energy, and need obtain not having the permission of board of trustee, and the popularization of system and product is also had certain restriction.
Line of electric force and high-voltage earthing case cable in sum, the stolen incident of power transformer is more serious, and national departments concerned is attached great importance to, and it is the most effective way that people's air defense adds technical precaution.
Summary of the invention
The present invention is directed to deficiency of the prior art; a kind of current/voltage ground protection system that can in time find the earthed system problem is provided; current/voltage ground protection system is installed on the ground wire circuit; as long as the predefined value that surpasses the current/voltage on the ground wire just takes place to report to the police and the real-time data current/voltage pass on Surveillance center or the individual mobile phone; so that in time pinpoint the problems, cause unnecessary loss unavoidably.
The present invention is achieved by following technical proposals:
A kind of high-voltage grounding on-line monitor, it comprises single-chip microcomputer, wireless data transceiver module, Surveillance center, individual mobile phone and public data packet net, it is characterized in that described device also comprises current transformer, voltage transformer (VT), current/voltage detection module, signal processing circuit;
Wherein, current transformer, voltage transformer (VT) are connected with the current/voltage detection module respectively;
The current/voltage detection module is connected with signal processing circuit;
Signal processing circuit is connected with single-chip microcomputer;
Serial port links to each other between single-chip microcomputer and the wireless data transceiver module;
Surveillance center is made of server and main control computer, it is to be connected with server by the public data packet net with GPRS network, server is connected with main control computer by network, and individual mobile phone is by public data packet net and wireless data transceiver module communication.Current/voltage detection module wherein is made up of current detection module, voltage detection module, and current transformer, voltage transformer (VT) are connected with current detection module, voltage detection module in the current/voltage detection module respectively.
At present in actual application, described wireless data transceiver module is selected a kind of in gsm wireless data transmit-receive module, GPRS wireless data transceiver module, cdma wireless data transmit-receive module or the 3G wireless data transceiver module for use.
As preferably, described a kind of high-voltage grounding on-line monitor, described public data packet network are selected a kind of in gsm wireless data communication network, GPRS wireless data communication net, cdma wireless data communication network or the 3G wireless data communication net for use.
Above-mentioned current-voltage transformer is installed on the ground wire, the size that detects current/voltage is determined by ground wire, when the situation of change of current/voltage is read by the current/voltage detection module and real-time data transmission carried out processing data information to single-chip microcomputer, as surpassing predefined current/voltage value, single-chip microcomputer becomes to meet the form of home control network communication protocol to data-switching, be transferred to the wireless data sending module by serial port, be real-time transmitted to monitoring central server and individual mobile phone by wireless data transceiver module by the public data packet net again.
Described wireless data transceiver module is selected wherein a kind of of gsm wireless data transmit-receive module, GPRS wireless data transceiver module, cdma wireless data transmit-receive module, 3G wireless data transceiver module for use and is selected correspondingly GSM, GPRS, CDMA, 3G data communication network for use; Described a kind of current/voltage is examined the ground protection system.
Beneficial effect: the present invention is owing to adopt the current public data communication network, can be real-time earth fault is transferred to Surveillance center and individual mobile phone, implementation cost is low, handled easily, be easy to promote, and at every moment can be grasped the ground connection situation by managerial personnel.
Figure of description
Fig. 1 is a current/voltage ground protection system construction drawing
Fig. 2 is a current/voltage ground protection system works schematic diagram
Fig. 3 is a current/voltage ground protection system wireless data transmit-receive module working plan
Fig. 4 is the initialization module procedure chart among Fig. 3
Fig. 5 is a current and voltage data acquisition module procedure chart
Fig. 6 is a wireless data transceiver module procedure chart among Fig. 3
Fig. 7 is Surveillance center's procedure chart
Embodiment:
Below in conjunction with accompanying drawing, enforcement of the present invention is specified:
Embodiment 1
As Fig. 1; high-tension current potential inspection earth protective device shown in Figure 2; comprise current transformer; voltage transformer (VT); the current/voltage detection module; single-chip microcomputer; signal processing circuit; and wireless data transceiver module; Surveillance center; individual's mobile phone and public data packet net etc.; finish signals collecting jointly to the ground connection protection system; handle; current transformer and voltage transformer (VT) are installed on the ground cable; current transformer and voltage transformer (VT) are gathered electric current and the voltage on this ground wire in real time; the detected data of current/voltage detection module are all passed to single-chip microcomputer; single-chip microcomputer is according to the value comparison that sets in advance; surpass the value of setting and just value is at that time carried out data conversion treatment; convert to and can send on Surveillance center and the individual mobile phone by radio receiving transmitting module and common data communication network by the recognition data form, Surveillance center receives and transmission information and data by the public data packet network.
Single-chip microcomputer links to each other by serial ports with the wireless data communication module, serial port by RS485 the RS232 communication, single-chip microcomputer, current/voltage detection module, wireless data communication module adopt sun power, battery, wind energy, the power supply of electric field induction electricity, can switch each other.
Wireless data transceiver module is to send on Surveillance center and the individual mobile phone by wireless public data packet network with mode word or data layout.
Real-time monitoring current mutual inductor of current/voltage monitoring modular and voltage transformer (VT) are gathered ground wire; the signal of gathering sends single-chip microcomputer again to; single-chip microcomputer carries out data processing; result surpasses or does not satisfy predefined value, just becomes the code conversion of the position of current/voltage earth leakage protector, temperature, current/voltage, cell voltage, time, current/voltage earth leakage protector text formatting to send to Surveillance center or individual mobile phone by the wireless data communication network.
Surveillance center and individual mobile phone send to wireless data transceiver module by the public data packet network data or solicited message are set simultaneously, the data that wireless data transceiver module is received are passed to single-chip microcomputer, single-chip microcomputer is handled according to the data that are subjected to, and single-chip microcomputer is sent the result who handles by the public data packet network by the wireless data communication module to Surveillance center or individual mobile phone.
The wireless data communication module is selected gsm wireless data communication module, GPRS wireless communication module, cdma wireless data communication module, wherein a kind of GSM, GPRS, CDMA, 3G wireless data communication net that adapts with it of selecting for use of 3G wireless data communication module for use.
Selected current/voltage monitoring modular is gathered the data of current transformer and voltage transformer (VT), or gathers other data of ground cable.
Among the present invention, directly the ground connection case need carry out testing current to A/B/C three-phase earthing cable, and coil must be vertical with copper bar; The protective ground case then needs A/B/C three-phase protective device both end voltage is tested; Cross interconnected ground connection case need simultaneously to A/B/C three-phase earthing cable carry out wireline test, voltage tester is carried out at the protector two ends, coil must be connected protector both on the copper bar at porcelain vase two ends.
The test value scope of earthing cable electric current: normal value surpasses 30A and answers pre-alarm to remind in 0～50A interval, surpasses 50A and should send the emergency alarm prompting.(actual value test at present is between 0～200A) range should be about 100A when selecting mutual inductor for use. also the warning reminding value can be set freely.
The test value scope of protector voltage: normal value surpasses 100V and answers pre-alarm to remind in 0～100V interval.(present actual test value is between 0～1000V) range should be about 500V when selecting mutual inductor for use. also the warning reminding value can be set freely.
Development circulation testing apparatus must have strict partiting thermal insulation measure, brings potential safety hazard on the one hand attached operation cable machinery, on the other hand also for self correct safety test.
Development circulation testing apparatus preferably can embed ground connection case inner copper line by bayonet type, and the bayonet socket size should be suitably for suitablely with the copper bar width, and (wearing insulating glove) can chargedly be installed, and is easy for installation.
Development circulation testing apparatus can be carried out the circulation test data in every month and fed back in good time, regularly uploaded data, and can carry out the inquiry of instant data, uploaded data immediately.To what exist numerical value to exceed standard form to report to the police, should in time report to the police rapidly, in software development, add data overload alarm function.
Development circulation testing apparatus can have independently system software platform, and data are gathered, analyze.
Following table is for using the present invention's measured data in process of the test:
Above-mentioned measured data by signal processing module, is handled through single-chip microcomputer again, digitized data by wireless data transceiver module, through the public data packet net, is transferred to Surveillance center, or by individual mobile phone, obtains relevant instant data.
Claims (4)
1, a kind of high-voltage grounding on-line monitor, it comprises single-chip microcomputer, wireless data transceiver module, Surveillance center, individual mobile phone and public data packet net, it is characterized in that described device also comprises current transformer, voltage transformer (VT), current/voltage detection module, signal processing circuit;
Wherein, current transformer, voltage transformer (VT) are connected with the current/voltage detection module respectively;
The current/voltage detection module is connected with signal processing circuit;
Signal processing circuit is connected with single-chip microcomputer;
Serial port links to each other between single-chip microcomputer and the wireless data transceiver module;
Surveillance center is made of server and main control computer, it is to be connected with server by the public data packet net with GPRS network, server is connected with main control computer by network, and individual mobile phone is by public data packet net and wireless data transceiver module communication.
2, a kind of high-voltage grounding on-line monitor according to claim 1, it is characterized in that: the current/voltage detection module is made up of current detection module, voltage detection module, and current transformer, voltage transformer (VT) are connected with current detection module, voltage detection module in the current/voltage detection module respectively.
3, a kind of high-voltage grounding on-line monitor according to claim 1 is characterized in that: described wireless data transceiver module is selected a kind of in gsm wireless data transmit-receive module, GPRS wireless data transceiver module, cdma wireless data transmit-receive module or the 3G wireless data transceiver module for use.
4, a kind of high-voltage grounding on-line monitor according to claim 1 is characterized in that: described public data packet network is selected a kind of in gsm wireless data communication network, GPRS wireless data communication net, cdma wireless data communication network or the 3G wireless data communication net for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910102093A CN101639498A (en) | 2009-08-31 | 2009-08-31 | High-voltage grounding on-line monitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910102093A CN101639498A (en) | 2009-08-31 | 2009-08-31 | High-voltage grounding on-line monitor |
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| CN101639498A true CN101639498A (en) | 2010-02-03 |
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| CN200910102093A Pending CN101639498A (en) | 2009-08-31 | 2009-08-31 | High-voltage grounding on-line monitor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183707A (en) * | 2011-02-21 | 2011-09-14 | 孙映金 | High-pressure grounding on-line monitoring warning device |
| CN102955105A (en) * | 2011-08-31 | 2013-03-06 | 吉林省电力有限公司长春供电公司 | Circulation monitoring data collecting device of urban network cable |
| CN103852694A (en) * | 2014-03-28 | 2014-06-11 | 江苏省电力公司常州供电公司 | Power cable intelligent grounding box |
| CN104374426A (en) * | 2014-11-07 | 2015-02-25 | 国网上海市电力公司 | Low-cost easily-installed power line working state real-time monitoring point and system |
| CN104459269A (en) * | 2013-09-18 | 2015-03-25 | 国家电网公司 | Voltage monitor and monitoring system thereof |
| CN105445594A (en) * | 2016-01-25 | 2016-03-30 | 国网山东省电力公司高唐县供电公司 | Power grid fault detection system |
| CN105469583A (en) * | 2016-02-06 | 2016-04-06 | 武汉大学 | Self-powered multivariate distributed online monitoring system and method based on 3G/GSM network |
| CN106249087A (en) * | 2016-09-18 | 2016-12-21 | 国网山东省电力公司德州供电公司 | A kind of on-line real time monitoring system and method for cable metal sheath earth lead |
| CN108270864A (en) * | 2018-01-22 | 2018-07-10 | 温州索易软件开发有限公司 | A kind of membership information manages system |
| CN110120157A (en) * | 2019-05-14 | 2019-08-13 | 华南理工大学 | A kind of magnetic guidance pavement structure |
| CN111551842A (en) * | 2020-05-13 | 2020-08-18 | 宁波甬安安全科技有限公司 | Lightning protection ground wire monitoring system and method |
-
2009
- 2009-08-31 CN CN200910102093A patent/CN101639498A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183707A (en) * | 2011-02-21 | 2011-09-14 | 孙映金 | High-pressure grounding on-line monitoring warning device |
| CN102955105A (en) * | 2011-08-31 | 2013-03-06 | 吉林省电力有限公司长春供电公司 | Circulation monitoring data collecting device of urban network cable |
| CN104459269A (en) * | 2013-09-18 | 2015-03-25 | 国家电网公司 | Voltage monitor and monitoring system thereof |
| CN103852694A (en) * | 2014-03-28 | 2014-06-11 | 江苏省电力公司常州供电公司 | Power cable intelligent grounding box |
| CN104374426A (en) * | 2014-11-07 | 2015-02-25 | 国网上海市电力公司 | Low-cost easily-installed power line working state real-time monitoring point and system |
| CN105445594A (en) * | 2016-01-25 | 2016-03-30 | 国网山东省电力公司高唐县供电公司 | Power grid fault detection system |
| CN105445594B (en) * | 2016-01-25 | 2018-04-13 | 国网山东省电力公司高唐县供电公司 | Power grid fault detection system |
| CN105469583A (en) * | 2016-02-06 | 2016-04-06 | 武汉大学 | Self-powered multivariate distributed online monitoring system and method based on 3G/GSM network |
| CN106249087A (en) * | 2016-09-18 | 2016-12-21 | 国网山东省电力公司德州供电公司 | A kind of on-line real time monitoring system and method for cable metal sheath earth lead |
| CN108270864A (en) * | 2018-01-22 | 2018-07-10 | 温州索易软件开发有限公司 | A kind of membership information manages system |
| CN110120157A (en) * | 2019-05-14 | 2019-08-13 | 华南理工大学 | A kind of magnetic guidance pavement structure |
| CN111551842A (en) * | 2020-05-13 | 2020-08-18 | 宁波甬安安全科技有限公司 | Lightning protection ground wire monitoring system and method |
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Open date: 20100203 |