CN202997706U - Power distribution network fault monitoring system - Google Patents
Power distribution network fault monitoring system Download PDFInfo
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- CN202997706U CN202997706U CN 201220730044 CN201220730044U CN202997706U CN 202997706 U CN202997706 U CN 202997706U CN 201220730044 CN201220730044 CN 201220730044 CN 201220730044 U CN201220730044 U CN 201220730044U CN 202997706 U CN202997706 U CN 202997706U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000004891 communication Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
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Abstract
The utility model provides a power distribution network fault monitoring system which includes an electric power meter, a carrier wave controller, and a coupler. The electric power meter collects the power distribution parameter of a power distribution system, and next the carrier wave controller converts the power distribution parameter into a high frequency carrier wave signal, and then the coupler couples the high frequency carrier wave signal to a power transmission line, and finally the high frequency carrier wave signal is transmitted to a master control center. The power distribution network fault monitoring system can automatically detect the fault of an electrical network, so the problem of big maintenance work load in artificial electrical network fault detection is effectively solved.
Description
Technical field
The utility model relates to field of power electronics, in particular, relates to a kind of distribution network failure supervisory control system.
Background technology
Electric power system is because of need to be to the customer power supply of extensive area, therefore the scope that covers of the equipment such as the transformation device in its power distribution network and circuit is also very large, and the electric power maintenance personnel many times need to transformation device and circuit scene, equipment to be patrolled and examined maintenance.
Because much converting equipments and circuit are positioned at remote districts, there is no the Internet condition, therefore in prior art, development technique personnel can't be real-time the service data at understanding scene, thereby can't feed back maintenance plan, and when some controller switching equipment breaks down, need the related development technical staff to reach on-the-spot controller switching equipment is listed and indexed one by one, and the fault that detects is keeped in repair.
In summary, the detection to distribution network failure in prior art needs manual detection, and maintenance work intensity is large.
The utility model content
In view of this, the utility model provides a kind of distribution network failure supervisory control system, to overcome the large problem of maintenance work intensity that in prior art, the manual detection electric network fault brings.
For achieving the above object, the utility model provides following technical scheme:
A kind of distribution network failure supervisory control system comprises:
Electric instrument is for the distribution parameter that gathers distribution system;
Carrier controller is used for described distribution parameter is converted into high-frequency carrier signal;
Coupler be used for described high-frequency carrier signal is coupled to power transmission line, and transmission is toward Master Control Center.
Preferably, described electric instrument comprises digital signal interface, and described digital signal interface comprises RS232 and/or RS485 interface.
Preferably, also comprise:
Memory is used for storing the described distribution parameter that collects.
Preferably, also comprise:
Timer is for the collection period that pre-sets described distribution parameter;
Distribution parameter according to the collection distribution system of the automatic control cycle of described collection period.
Preferably, also comprise:
Whether microprocessor exceeds default critical field for detection of described distribution parameter, if described distribution system is carried out the attended operation corresponding with the distribution parameter that exceeds default critical field.
Preferably, also comprise:
Warning device is used for sending the alarm signal corresponding with the described distribution parameter that exceeds the preset standard scope by alarm.
Preferably, described alarm comprises: light-emitting diode and/or buzzer.
Via above-mentioned technical scheme as can be known, compared with prior art, the utility model provides a kind of distribution network failure supervisory control system, comprise: electric instrument, carrier controller and coupler, gather the distribution parameter of distribution system by electric instrument, and after by carrier controller, described distribution parameter being converted into high-frequency carrier signal, then by coupler, described high-frequency carrier signal is coupled on power transmission line, and transmission is toward Master Control Center.Automatically the fault in detection of grid, effectively solved the large problem of maintenance work intensity that in the prior art, the manual detection electric network fault brings.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to the accompanying drawing that provides other accompanying drawing.
The structural representation of a kind of distribution network failure supervisory control system that Fig. 1 provides for the present embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
See also Fig. 1, the structural representation of a kind of distribution network failure supervisory control system that provides for the present embodiment comprises:
Preferably, described electric instrument comprises digital signal interface, and described digital signal interface comprises RS232 and/or RS485 interface.
Preferably, also comprise: memory is used for storing the described distribution parameter that collects.
Here need to prove, native system mainly contains three class hardware devices and forms:
Multifunctional electric meter: being used for the measurement to whole distribution parameters of In the distribution system of low voltage, is the main measurement sampling components and parts that form electric power data acquisition system.It can Real-time Collection the power informations such as voltage, electric current, power, temperature, electric degree, and the input/output interface uploading data by standard.
Power-line carrier controller: can be on the mesolow distribution wire that has very noisy to disturb, the data that will gather up from subordinate's interface realize reliable and stable transmission.Have stronger networking capability, can realize a plurality of non-interfering logical network on the same distribution wire.
Capacity coupler and inductive coupler: utilize electromagnetic induction principle, high-frequency carrier signal is coupled on power transmission line (or cable shield and three-phase heart yearn), realize the transmission of carrier signal and the partition of power current.
Describe device in detail in the embodiment that above-mentioned the utility model provides, can adopt the method for various ways to realize for system of the present utility model, so the utility model also provides a kind of method, the below provides specific embodiment and is elaborated.
Embodiment two
The flow chart of a kind of distribution network failure method for supervising that the utility model provides comprises:
S101: gather the distribution parameter of distribution system, described distribution parameter comprises voltage, electric current, power, temperature and electric degree etc.
S102: described distribution parameter is converted into high-frequency carrier signal.
S103: described high-frequency carrier signal is coupled on power transmission line, and transmission is toward Master Control Center.
Continuous progress along with scientific and technological level, when advocating green energy resource, low-carbon energy-saving environmental protection, distribution network automated technology constantly perfect, take full advantage of original distribution network line and carry out data acquisition transmission, fault alarm as communication line, namely adopt power-line carrier communication to become a kind of possibility.Because having, power line carrier communication need not additionally to lay the exclusive characteristics such as any telecommunication cable, constructing communication network is flexible, address administration is simple, installation is simple, maintenance is low, particularly for power information collection and the centralized monitoring system of 10kV and following power distribution network, has higher economic rationality.
To have distribution extensive due to 10kV and following distribution network, and electricity consumption situation complexity is various, the characteristics that the electricity consumption form is changeable, and the utility model adopts the mode of power-line carrier controller, realizes the long-distance transmissions of data on distribution network.Carrier controller has multiband self adaptation and multi-modulation technology, utilize these technology can obviously improve receiving ability, improve the reliability of communication, can realize reliable and stable transfer of data on the mesolow distribution wire that has very noisy to disturb, can satisfy electric power data acquisition equipment and carry out the demand of data communication by power line.
Preferably, on the basis of above-described embodiment, also comprise: store the described distribution parameter that collects.
Preferably, also comprise: the collection period that pre-sets described distribution parameter;
Distribution parameter according to the collection distribution system of the automatic control cycle of described collection period.
Preferably, described, described high-frequency carrier signal is coupled on power transmission line, and transmission also comprises after Master Control Center:
Detect described distribution parameter and whether exceed default critical field, if described distribution system is carried out the attended operation corresponding with the distribution parameter that exceeds default critical field.
Preferably, when described distribution parameter exceeds default critical field, also comprise:
Send the alarm signal corresponding with the described distribution parameter that exceeds the preset standard scope by alarm.Wherein, alarm can be light-emitting diode and/or buzzer.
The utility model provides a kind of distribution network failure method for supervising, by gathering the distribution parameter of distribution system, and after described distribution parameter is converted into high-frequency carrier signal, more described high-frequency carrier signal is coupled on power transmission line, and transmission is toward Master Control Center.Automatically the fault in detection of grid, effectively solved the large problem of maintenance work intensity that in the prior art, the manual detection electric network fault brings.
In sum: the utility model provides a kind of distribution network failure supervisory control system, by gathering the distribution parameter of distribution system, and after described distribution parameter is converted into high-frequency carrier signal, more described high-frequency carrier signal is coupled on power transmission line, and transmission is toward Master Control Center.Automatically the fault in detection of grid, effectively solved the large problem of maintenance work intensity that in the prior art, the manual detection electric network fault brings.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.For the device that embodiment provides, because it is corresponding with the system that embodiment provides, so description is fairly simple, relevant part gets final product referring to the components of system as directed explanation.
Above-mentioned explanation to the embodiment that provides makes this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but principle and the features of novelty the widest consistent scope that provides with this paper will be provided.
Claims (7)
1. a distribution network failure supervisory control system, is characterized in that, comprising:
Electric instrument is for the distribution parameter that gathers distribution system;
Carrier controller is used for described distribution parameter is converted into high-frequency carrier signal;
Coupler be used for described high-frequency carrier signal is coupled to power transmission line, and transmission is toward Master Control Center.
2. supervisory control system according to claim 1, is characterized in that, described electric instrument comprises digital signal interface, and described digital signal interface comprises RS232 and/or RS485 interface.
3. supervisory control system according to claim 2, is characterized in that, also comprises:
Memory is used for storing the described distribution parameter that collects.
4. supervisory control system according to claim 1, is characterized in that, also comprises:
Timer is for the collection period that pre-sets described distribution parameter;
Distribution parameter according to the collection distribution system of the automatic control cycle of described collection period.
5. supervisory control system according to claim 1, is characterized in that, also comprises:
Whether microprocessor exceeds default critical field for detection of described distribution parameter, if described distribution system is carried out the attended operation corresponding with the distribution parameter that exceeds default critical field.
6. supervisory control system according to claim 5, is characterized in that, also comprises:
Warning device is used for sending the alarm signal corresponding with the described distribution parameter that exceeds the preset standard scope by alarm.
7. supervisory control system according to claim 6, is characterized in that, described alarm comprises:
Light-emitting diode and/or buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730044 CN202997706U (en) | 2012-12-25 | 2012-12-25 | Power distribution network fault monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730044 CN202997706U (en) | 2012-12-25 | 2012-12-25 | Power distribution network fault monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN202997706U true CN202997706U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220730044 Expired - Lifetime CN202997706U (en) | 2012-12-25 | 2012-12-25 | Power distribution network fault monitoring system |
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| CN (1) | CN202997706U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023153A (en) * | 2012-12-25 | 2013-04-03 | 余姚市供电局 | Method and system for fault monitoring of power distribution network |
| CN105242141A (en) * | 2015-10-15 | 2016-01-13 | 安徽省德诺电子科技有限公司 | 380V-and-below line fault emergency calling system |
| CN107561392A (en) * | 2017-09-30 | 2018-01-09 | 广东电网有限责任公司梅州供电局 | Low-voltage distribution network circuit health status monitors device and its application process on-line |
-
2012
- 2012-12-25 CN CN 201220730044 patent/CN202997706U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023153A (en) * | 2012-12-25 | 2013-04-03 | 余姚市供电局 | Method and system for fault monitoring of power distribution network |
| CN105242141A (en) * | 2015-10-15 | 2016-01-13 | 安徽省德诺电子科技有限公司 | 380V-and-below line fault emergency calling system |
| CN107561392A (en) * | 2017-09-30 | 2018-01-09 | 广东电网有限责任公司梅州供电局 | Low-voltage distribution network circuit health status monitors device and its application process on-line |
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Granted publication date: 20130612 |
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| CX01 | Expiry of patent term |