CN204495953U - Distribution line failure wireless location system - Google Patents
Distribution line failure wireless location system Download PDFInfo
- Publication number
- CN204495953U CN204495953U CN201520181864.8U CN201520181864U CN204495953U CN 204495953 U CN204495953 U CN 204495953U CN 201520181864 U CN201520181864 U CN 201520181864U CN 204495953 U CN204495953 U CN 204495953U
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- CN
- China
- Prior art keywords
- distribution line
- terminal
- digital radio
- data collection
- collection station
- Prior art date
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- 239000005955 Ferric phosphate Substances 0.000 claims description 10
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims description 10
- 229910052744 lithium Inorganic materials 0.000 claims description 10
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K Iron(III) phosphate Chemical group [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims description 9
- 229940032958 ferric phosphate Drugs 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000004807 localization Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 230000001264 neutralization Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001052 transient Effects 0.000 description 1
Classifications
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The utility model relates to a kind of distribution line failure wireless location system, comprise background system terminal, sense terminals failure data acquisition device and the fault detector be arranged on circuit, wherein, described sense terminals failure data acquisition device comprises: the data collection station receiving the wireless Frequency Hopping Signal that described fault detector is launched, and the digital radio telecommunication terminal to be connected with described data collection station, described digital radio telecommunication terminal comprises 433MHz wireless communication module, background system terminal described in the wireless connections of described 433MHz wireless communication module.This system have low without rate, cost, be easy to management, strong security, transmission reliability advantages of higher, round-the-clock circuit independently can be detected simultaneously, eliminate cost and the error of manual detection, accurately and timely can get abort situation, and entire system is arranged simply, be convenient to safeguard.
Description
Technical field
The utility model relates to power system technology, particularly relates to distribution line failure wireless location system.
Background technology
China's transmission open acess technology makes substantial progress, and locating effect is fine, but the Fault-Locating Test of distribution line also cannot meet field requirement.Reason is that distribution line structure has very big-difference compared with transmission line of electricity, owing to circuit being provided with a large amount of substation transformer, thus cause the location technology such as impedance method, traveling wave method being widely used in transmission line of electricity on distribution line, be difficult to application, usual needs all need to arrange multiple detection transfer point at each circuit, and distribution line (particularly 10 ~ 35kV distribution line) branch is numerous, and often there is multilevel branch, therefore existing Fault-Locating Test needs to expend huge fund input usually.
As, a kind of fault location system for distribution lines of the prior art: the fault-signal of distribution line to be gathered and after being converted to GPRS signal, communication is carried out with background system terminal, thus fault point, but the transmission of GPRS signal needs the GPRS chip arranging price higher in each fault collection equipment to realize, and the transmission of the data-signal of GPRS also needs by flow charging, therefore, in view of distribution line, branch is numerous, this device causes higher cost in actual applications usually, be not easy to management simultaneously, also there is confidentiality difference, the problems such as the reliability low (place of no signal or signal difference cannot be transmitted) of transmission.
In addition, in order to reduce cost of labor, how improving the recharging of fault location system for distribution lines, flying power, is also the problem needing solution badly.
Utility model content
Based on this, be necessary to provide a kind of distribution line failure wireless location system.
A kind of distribution line failure wireless location system, comprise background system terminal, sense terminals failure data acquisition device, and the fault detector be arranged on circuit, wherein, described sense terminals failure data acquisition device comprises: the data collection station receiving the wireless Frequency Hopping Signal that described fault detector is launched, the digital radio telecommunication terminal be connected with described data collection station
Described digital radio telecommunication terminal comprises 433MHz wireless communication module, background system terminal described in the wireless connections of described 433MHz wireless communication module.
Above-mentioned distribution line failure wireless location system, the circuit operation signal gathered by data collection station real-time reception fault detector, the electric current, voltage etc. of sudden change, then via the 433MHz wireless communication module in digital radio telecommunication terminal, this signal wireless is sent to background system terminal, by background system terminal analysis signal, and then abort situation is positioned.
The utility model carries out the wireless transmission of signal by 433MHz wireless communication module, have low without rate, cost, be easy to management, strong security, transmission reliability advantages of higher, this system can round-the-clockly independently detect circuit simultaneously, eliminate cost and the error of manual detection, accurately and timely can get abort situation, and entire system is arranged simply, be convenient to safeguard.
Wherein in an embodiment, also comprise solar panel, rechargeable battery and energy supply control module, described solar panel connects described rechargeable battery, and described energy supply control module connects described rechargeable battery respectively, data collection station, and digital radio telecommunication terminal.
Solar panel is set, be connected with rechargeable battery, generated electricity by solar panel, by electrical power storage in rechargeable battery, the flying power of raising equipment, managing by arranging the discharge and recharge of energy supply control module to solar cell and rechargeable battery, also can carry out operating mode power management to data collection station and digital radio telecommunication terminal simultaneously.
Wherein in an embodiment, described rechargeable battery is ferric phosphate lithium cell.
Compared with prior art, the utility model has following beneficial effect:
Distribution line failure wireless location system described in the utility model, have low without rate, cost, be easy to management, strong security, transmission reliability advantages of higher, this system can round-the-clockly independently detect circuit simultaneously, eliminate cost and the error of manual detection, accurately and timely can get abort situation, and entire system is arranged simply, be convenient to safeguard.
Can solar panel and rechargeable battery being set further, improving the flying power of system, controlling the discharge and recharge of solar panel and rechargeable battery by arranging energy supply control module, simultaneously the operating mode power supply of management system.
Accompanying drawing explanation
Fig. 1 is the structural representation of sense terminals failure data acquisition device described in the utility model,
Wherein,
1-casing, 2-top board, 3-solar panel, 4-pillar, 5-screw, 6-data collection station, 7-digital radio telecommunication terminal, 8-energy supply control module, 9-ferric phosphate lithium cell.
Embodiment
Below in conjunction with specific embodiment, distribution line failure wireless location system of the present utility model is described in further detail.
Embodiment
A kind of distribution line failure wireless location system (as shown in Figure 1) of the present embodiment, comprise background system terminal, sense terminals failure data acquisition device, and the fault detector be arranged on distribution line, wherein, described sense terminals failure data acquisition device comprises: the data collection station 6 receiving the wireless Frequency Hopping Signal that described fault detector is launched, the digital radio telecommunication terminal 7 be connected with described data collection station 6
Described digital radio telecommunication terminal 7 comprises 433MHz wireless communication module, background system terminal described in the wireless connections of described 433MHz wireless communication module.Carried out the wireless transmission of signal by 433MHz wireless communication module and background system terminal, have low without rate, cost, be easy to management, strong security, transmission reliability advantages of higher.
This distribution line failure wireless location system also comprises, solar panel 3, ferric phosphate lithium cell 9 and energy supply control module 8, described solar panel 3 connects described ferric phosphate lithium cell 9, described energy supply control module 8 connects described ferric phosphate lithium cell 9 respectively, data collection station 6, and digital radio telecommunication terminal 7.
By arranging solar panel 3, be connected with ferric phosphate lithium cell 9, can generate electricity through solar panel 3, by electrical power storage in ferric phosphate lithium cell 9, the flying power of raising equipment, the discharge and recharge arranging energy supply control module 8 pairs of solar cells 3 and ferric phosphate lithium cell 9 manages, and also can carry out operating mode power management to data collection station 6 and digital radio telecommunication terminal 7 simultaneously.
A vasculum can be made further, comprise casing 1, top board 2, and the pillar 4 be installed on by screw 5 on top board 2, described data collection station 6, digital radio telecommunication terminal 7, energy supply control module 8, ferric phosphate lithium cell 9 are placed in casing 1, described solar panel 3 is installed on described pillar 4.
The working routine of above-mentioned distribution line failure wireless location system is as follows:
(1) short trouble trace routine:
The two-part overcurrent protection definite value (quick-break overcurrent criterion) of employing standard or traditional overcurrent mutation criteria detect short trouble; wherein; overcurrent mutation criteria method can adapt to load current automatically, different action parameter of need not adjusting according to different line loads, and easy to maintenance.
When circuit is short-circuited fault, the fault detector having short-circuit current to flow through is by the electric current of quick sampling transcient short circuit time, voltage signal, short trouble characteristic signal can be detected, thus provide short trouble instruction, pass through wireless frequency-hopping mode by short action signal simultaneously, electric current, the failure messages such as voltage are sent to the data collection station 6 be installed in neighbouring sense terminals failure data acquisition device, failure message is passed to digital radio telecommunication terminal 7 by data collection station 6, then by the 433MHz wireless communication module in digital radio telecommunication terminal 7, failure message is wirelessly transmitted to background system terminal, background system terminal realizes localization of fault according to the terminal address of image data.
(2) Earth Fault Detection program:
For transformer station's isolated neutral or the small current neutral grounding system through grounding through arc, for 10kV ~ 35KV overhead transmission line, current reasonable solution is the integration scenario adopting first half-wave principle and on-line monitoring ground current, voltage.
After system there occurs ground connection, fault detector can detect that the ground current of faulty line fault phase increases, Earth Phase voltage reduces, healthy phases voltage-to-ground such as to raise at the authentic communication, fault detector is flow through when there being ground current (stray capacitive currents), fault detector is by the electric current of quick sampling ground connection moment, voltage transient signal, earth fault characteristic signal can be detected, thus provide earth fault instruction, simultaneously by wireless frequency-hopping mode by landing operation signal, electric current, the failure messages such as voltage are sent to the data collection station 6 be installed in neighbouring sense terminals failure data acquisition device, failure message is passed to digital radio telecommunication terminal 7 by data collection station 6, then by the 433MHz wireless communication module in digital radio telecommunication terminal 7 failure message is wirelessly transmitted to and is positioned at background system terminal, background system terminal realizes localization of fault according to the terminal address of image data.
Above-mentioned distribution line failure wireless location system, the circuit operation signal gathered by data collection station real-time reception fault detector, the electric current, voltage etc. of sudden change, via the 433MHz wireless communication module in digital radio telecommunication terminal, this signal wireless is sent to background system terminal, and background system terminal realizes localization of fault according to the terminal address of image data.Have without rate, cost low (relative to the system of being carried out Signal transmissions in prior art by GPRS module, the cost of 70-80% can be saved), be easy to management, strong security, transmission reliability advantages of higher, accurately and timely can get abort situation, and entire system is arranged simply, be convenient to safeguard.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (3)
1. a distribution line failure wireless location system, it is characterized in that, comprise background system terminal, sense terminals failure data acquisition device and the fault detector be arranged on circuit, wherein, described sense terminals failure data acquisition device comprises: the data collection station receiving the wireless Frequency Hopping Signal that described fault detector is launched, and the digital radio telecommunication terminal be connected with described data collection station
Described digital radio telecommunication terminal comprises 433MHz wireless communication module, background system terminal described in the wireless connections of described 433MHz wireless communication module.
2. distribution line failure wireless location system according to claim 1, it is characterized in that, also comprise solar panel, rechargeable battery and energy supply control module, described solar panel connects described rechargeable battery, described energy supply control module connects described rechargeable battery respectively, data collection station, and digital radio telecommunication terminal.
3. distribution line failure wireless location system according to claim 2, is characterized in that, described rechargeable battery is ferric phosphate lithium cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181864.8U CN204495953U (en) | 2015-03-27 | 2015-03-27 | Distribution line failure wireless location system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181864.8U CN204495953U (en) | 2015-03-27 | 2015-03-27 | Distribution line failure wireless location system |
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| Publication Number | Publication Date |
|---|---|
| CN204495953U true CN204495953U (en) | 2015-07-22 |
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| CN201520181864.8U Active CN204495953U (en) | 2015-03-27 | 2015-03-27 | Distribution line failure wireless location system |
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| CN (1) | CN204495953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646712A (en) * | 2019-11-14 | 2020-01-03 | 国网山西省电力公司忻州供电公司 | Transmission line fault positioning system |
-
2015
- 2015-03-27 CN CN201520181864.8U patent/CN204495953U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646712A (en) * | 2019-11-14 | 2020-01-03 | 国网山西省电力公司忻州供电公司 | Transmission line fault positioning system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |