CN204065296U - There is the ring main unit fault-indicating system of anti-misoperation function - Google Patents
There is the ring main unit fault-indicating system of anti-misoperation function Download PDFInfo
- Publication number
- CN204065296U CN204065296U CN201320766215.5U CN201320766215U CN204065296U CN 204065296 U CN204065296 U CN 204065296U CN 201320766215 U CN201320766215 U CN 201320766215U CN 204065296 U CN204065296 U CN 204065296U
- Authority
- CN
- China
- Prior art keywords
- main unit
- ring main
- fault
- acquisition module
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000001052 transient effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 4
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Locating Faults (AREA)
Abstract
The utility model relates to a kind of ring main unit fault-indicating system with anti-misoperation function, comprise power transmission network, ring main unit and fault detector, power transmission network is provided with multiple ring main unit according to requirement of engineering successively interval, each ring main unit is provided with a fault detector, described each fault detector includes electric quantity acquisition module, position of the switch acquisition module, processor, display and alarm module, information transmission modular.The fault detector that the utility model adopts is arranged on ring main unit, panel size is identical with panel type indicator general on the market at present, install simple and convenient, be arranged on each ring main unit on electric line respectively, can not only correctly identify earth fault and short trouble, distinguish permanent fault and transient fault, the fool proof function of ring main unit can also be had.
Description
Technical field
The utility model belongs to equipment for power transmission and distribution field, especially a kind of ring main unit fault-indicating system with anti-misoperation function.
Background technology
Midium voltage cable network distribution is wide, be installed on underground, and not easily looking up the fault point occurs after ground connection, short trouble.Current China's major part midium voltage cable network all installed surface template fault detectors on ring main unit, when there is ground connection, short trouble in cable system, panel type fault detector can provide the segmentation of trouble spot to indicate, and reaches the effect shortening the looking up the fault point time.Panel type fault detector common at present can only simple indication fault section, does not prevent the function of ring main unit maloperation.
Above-mentioned ring main unit maloperation mainly comprises following two situations:
1, when fault ring main unit main switch end opening is charged, closed grounding switch, making the ring main unit ring of transmission line of electricity upstream thus successively through haveing circuit warp, fault ring main unit main switch end opening ground connection, forming closed-loop path, produces by mistake closed thus, very easily has an accident;
2, upstream ring main unit main switch suitable for reading charged time, downstream ring main unit main switch line ground connection, now closed upstream ring main unit main switch, make the ring main unit ring of transmission line of electricity upstream thus successively through haveing circuit warp, fault ring main unit main switch end opening ground connection, form closed-loop path, produce by mistake closed thus, very easily have an accident;
Utility model content
The purpose of this utility model is to overcome above-mentioned weak point, provides the ring main unit fault-indicating system with anti-misoperation function that a kind of structure is simple, reasonable in design, easy to use.
The technical scheme that the utility model adopts for achieving the above object is:
A kind of ring main unit fault-indicating system with anti-misoperation function, comprise power transmission network, ring main unit and fault detector, power transmission network is provided with multiple ring main unit according to requirement of engineering successively interval, each ring main unit is provided with a fault detector, described each fault detector includes electric quantity acquisition module, position of the switch acquisition module, processor, display and alarm module, information transmission modular, described electric quantity acquisition module, the input end of position of the switch acquisition module is all connected on ring main unit three-phase circuit, electric quantity acquisition module, the output terminal of position of the switch acquisition module is connected with processor input end respectively, processor input end connects input end and the information transmission modular input end of display and alarm module respectively, described background server is remote server, comprise a logic judgment module, information transmission modular output terminal in each fault detector all connects the input end of the logic judgment module of long-range background server, the output terminal of logic judgment module connects the display of each fault detector and the input end of alarm module respectively, each display and alarm module output terminal are all provided with pilot lamp.
And, described electric quantity acquisition module, between position of the switch acquisition module and processor, be provided with scrambler, between processor and display and alarm module, be provided with trigger, between trigger and display and alarm module, be provided with demoder.
And, the output terminal of the logic judgment module of described background server connect respectively each fault detector trigger.
And described electric quantity acquisition module is for gathering ring main unit line voltage distribution, the in good time circuit information of electric current information is sent to processor.
And described position of the switch acquisition module is for gathering the cut-offfing of looped network cabinet switch, closed information and information being sent to processor.
And described processor is used for processing the information that electric quantity acquisition module and position of the switch acquisition module send and carrying out potential maloperation judgement.
And described display and alarm module, for showing ground short circuit fault, carry out sound and light alarm for potential maloperation.
And described transport module is wireless launcher, for the information obtained from judge module being sent to the logic judgment module of background server;
And described logic judgment module is used for carrying out analysis contrast to the information that transport module sends, and determines whether potential maloperation, and information is sent to the fault detector on this ring main unit and the fault detector on the ring main unit of downstream.
And described each position finder all belongs to panel type fault detector.
The beneficial effects of the utility model are:
1, the fault detector that the utility model adopts is arranged on ring main unit, panel size is identical with panel type indicator general on the market at present, install simple and convenient, be arranged on each ring main unit on electric line respectively, can not only correctly identify earth fault and short trouble, distinguish permanent fault and transient fault, the fool proof function of ring main unit can also be had.
2, the fool proof function of this fault-indicating system is mainly manifested in: 1. after this loop main switch disconnects, indicator judges that whether switch end opening is charged, if charged, then indicator reminds operating personnel to forbid closed grounding switch with the form of acousto-optic, prevents maloperation from causing short circuit; 2. when after this loop grounding switch of disconnection, whether pointer detection main switch is suitable for reading charged, detect downstream ring main unit grounding switch whether to close simultaneously, if two conditions meet, then indicator generation sound and light alarm, reminds operating personnel to forbid this loop main switch closed, prevents maloperation from causing short circuit, decrease the unnecessary operation of isolating switch and section breaker, thus the impact to electrical network when decreasing the wearing and tearing of equipment and overlap.
3, this fault detector is contained on ring main unit, belongs to panel type fault detector, once short circuit, earth fault be detected, is allly arranged on indicator between mains side and trouble spot all by action; Detection, the maintenance of transient fault can help staff to be eliminated in advance by potential permanent fault point.
Accompanying drawing explanation
Fig. 1 is wire connection structure block diagram of the present utility model;
Fig. 2 is the syndeton block diagram of each adjacent up stream failure indication and downstream fault indicator in the utility model.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is described in further detail, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
A kind of ring main unit fault-indicating system with anti-misoperation function, comprise power transmission network, ring main unit and fault detector, power transmission network is provided with multiple ring main unit according to requirement of engineering successively interval, each ring main unit is provided with a fault detector, each position finder all belongs to panel type fault detector, once short circuit, earth fault be detected, be allly arranged on indicator between mains side and trouble spot all by action; Detection, the maintenance of transient fault can help staff to be eliminated in advance by potential permanent fault point.
Innovative point of the present utility model is:
Described each fault detector includes electric quantity acquisition module, position of the switch acquisition module, processor, display and alarm module, information transmission modular, described electric quantity acquisition module, the input end of position of the switch acquisition module is all connected on ring main unit three-phase circuit, electric quantity acquisition module, the output terminal of position of the switch acquisition module is connected with processor input end respectively, processor input end connects input end and the information transmission modular input end of display and alarm module respectively, each display and alarm module output terminal are all provided with pilot lamp, described electric quantity acquisition module, scrambler is provided with between position of the switch acquisition module and processor, trigger is provided with between processor and display and alarm module, demoder is provided with between trigger and display and alarm module.
Described background server is remote server, comprise a logic judgment module, information transmission modular output terminal in each fault detector all connects the input end of the logic judgment module of long-range background server, the output terminal of logic judgment module connect respectively each fault detector trigger, in order to realize enough information transmission distances, described transport module is wireless launcher.
Described electric quantity acquisition module is for gathering ring main unit line voltage distribution, the in good time circuit information of electric current information is sent to processor;
Described position of the switch acquisition module is for gathering the cut-offfing of looped network cabinet switch, closed information and information being sent to processor;
Described processor is used for processing the information that electric quantity acquisition module and position of the switch acquisition module send and carrying out potential maloperation judgement, when on the ring main unit finding this fault detector place, main switch end opening is charged, then information is sent to display and alarm module and transport module; If main switch end opening is charged on the ring main unit not finding this fault detector place, then only information is sent to transport module;
Described display and alarm module, for showing ground short circuit fault, carry out sound and light alarm for potential maloperation;
Described transport module is used for the logic judgment module information obtained from judge module being sent to background server;
Described logic judgment module is used for carrying out analysis contrast to the information that transport module sends, and determines whether potential maloperation, and information is sent to the fault detector on this ring main unit and the fault detector on the ring main unit of downstream.
The utility model prevents the principle of work of maloperation from being:
1. after this loop main switch disconnects, indicator judges that whether switch end opening is charged, if charged, then indicator reminds operating personnel to forbid closed grounding switch with the form of acousto-optic, prevents maloperation from causing short circuit; 2. when after this loop grounding switch of disconnection, whether pointer detection main switch is suitable for reading charged, detect downstream ring main unit grounding switch whether to close simultaneously, if two conditions meet, then indicator generation sound and light alarm, reminds operating personnel to forbid this loop main switch closed, prevents maloperation from causing short circuit, decrease the unnecessary operation of isolating switch and section breaker, thus the impact to electrical network when decreasing the wearing and tearing of equipment and overlap.
Although disclose embodiment of the present utility model and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the utility model and claims, various replacement, change and amendment are all possible, therefore, scope of the present utility model is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (6)
1. one kind has the ring main unit fault-indicating system of anti-misoperation function, comprise power transmission network, ring main unit and fault detector, power transmission network is provided with multiple ring main unit according to requirement of engineering successively interval, each ring main unit is provided with a fault detector, it is characterized in that: described each fault detector includes electric quantity acquisition module, position of the switch acquisition module, processor, display and alarm module, information transmission modular, described electric quantity acquisition module, the input end of position of the switch acquisition module is all connected on ring main unit three-phase circuit, electric quantity acquisition module, the output terminal of position of the switch acquisition module is connected with processor input end respectively, processor input end connects input end and the information transmission modular input end of display and alarm module respectively, information transmission modular output terminal in each fault detector all connects long-range background server, background server connects the display of each fault detector and the input end of alarm module respectively, each display and alarm module output terminal are all provided with pilot lamp, described electric quantity acquisition module, scrambler is provided with between position of the switch acquisition module and processor, trigger is provided with between processor and display and alarm module, demoder is provided with between trigger and display and alarm module, described background server connect respectively each fault detector trigger.
2. the ring main unit fault-indicating system with anti-misoperation function according to claim 1, is characterized in that: described electric quantity acquisition module is for gathering ring main unit line voltage distribution, the in good time circuit information of electric current information is sent to processor.
3. the ring main unit fault-indicating system with anti-misoperation function according to claim 1, is characterized in that: described position of the switch acquisition module is for gathering the cut-offfing of looped network cabinet switch, closed information and information being sent to processor.
4. the ring main unit fault-indicating system with anti-misoperation function according to claim 1, is characterized in that: described display and alarm module, for showing ground short circuit fault, carry out sound and light alarm for potential maloperation.
5. the ring main unit fault-indicating system with anti-misoperation function according to claim 1, is characterized in that: described transport module is wireless launcher, for the information obtained from judge module is sent to background server.
6. the ring main unit fault-indicating system with anti-misoperation function according to claim 1, is characterized in that: described each position finder all belongs to panel type fault detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766215.5U CN204065296U (en) | 2013-11-28 | 2013-11-28 | There is the ring main unit fault-indicating system of anti-misoperation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766215.5U CN204065296U (en) | 2013-11-28 | 2013-11-28 | There is the ring main unit fault-indicating system of anti-misoperation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204065296U true CN204065296U (en) | 2014-12-31 |
Family
ID=52206780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320766215.5U Expired - Lifetime CN204065296U (en) | 2013-11-28 | 2013-11-28 | There is the ring main unit fault-indicating system of anti-misoperation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204065296U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106161114A (en) * | 2016-08-31 | 2016-11-23 | 北京信而泰科技股份有限公司 | Support the Ethernet looped network module that trouble point quickly positions |
| CN107091971A (en) * | 2017-05-28 | 2017-08-25 | 东北电力大学 | A kind of looped network cabinet intelligent monitoring method based on Internet of Things |
| CN107562817A (en) * | 2017-08-16 | 2018-01-09 | 北京深数科技有限公司 | One B shareB quantifies method, apparatus, equipment and the storage medium of transaction |
| CN109358267A (en) * | 2018-10-09 | 2019-02-19 | 国网湖南省电力有限公司 | A kind of distribution line power failure monitoring method based on fault detector |
-
2013
- 2013-11-28 CN CN201320766215.5U patent/CN204065296U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106161114A (en) * | 2016-08-31 | 2016-11-23 | 北京信而泰科技股份有限公司 | Support the Ethernet looped network module that trouble point quickly positions |
| CN107091971A (en) * | 2017-05-28 | 2017-08-25 | 东北电力大学 | A kind of looped network cabinet intelligent monitoring method based on Internet of Things |
| CN107562817A (en) * | 2017-08-16 | 2018-01-09 | 北京深数科技有限公司 | One B shareB quantifies method, apparatus, equipment and the storage medium of transaction |
| CN109358267A (en) * | 2018-10-09 | 2019-02-19 | 国网湖南省电力有限公司 | A kind of distribution line power failure monitoring method based on fault detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203673023U (en) | Terminal apparatus for detecting insulation condition of direct current system | |
| CN204065296U (en) | There is the ring main unit fault-indicating system of anti-misoperation function | |
| CN101738565A (en) | Adaptive fault indicator | |
| CN106124920B (en) | Transformer neutral conductor virtual connection fault detection method | |
| CN106443293A (en) | Direct current ground fault online detection and alarm device | |
| CN102004213B (en) | Direct-detection type intelligent direct-current system insulation and state diagnosis instrument | |
| CN101860018A (en) | One-phase ground protection measurement and control system of high-voltage breaker | |
| CN204154848U (en) | A kind of Secondary Circuit of Potential Transformer multipoint earth faults on-Line Monitor Device | |
| CN203673002U (en) | Direct current system earth fault searching device | |
| WO2019174075A1 (en) | Direct current high-voltage live display locking device | |
| CN206002627U (en) | A kind of DC ground fault on-line checking and alarm device | |
| CN104931859A (en) | Fault monitoring device based on distributed wave recording | |
| CN202797953U (en) | Power management unit (PMU) with lightning stroke number detection function | |
| CN105244854A (en) | Electric arc light protection method with 360-degree omnidirectional monitoring and NFC monitoring functions | |
| CN205724867U (en) | A kind of small current grounding system single-phase grounding selecting protection device | |
| CN205484714U (en) | Circuit is listened to killer switch state | |
| CN204789871U (en) | Fault monitoring device based on distributing type record ripples | |
| CN104297587B (en) | A kind of direct-current transmission converter valve lightning arrester monitoring device and monitoring method | |
| CN204374371U (en) | A kind of D.C. isolation monitoring device detects the failure alarm circuit of electric bridge | |
| CN104090245B (en) | The detection means that a kind of DC power-supply system alternating current is mixed into | |
| CN201532431U (en) | Indicating alarm detecting the residual current on-line | |
| CN204928106U (en) | Distributed generator inserts distribution network ground connection protection device | |
| CN202119858U (en) | Grounding fault detection device of overhead high voltage lines | |
| CN206992687U (en) | A kind of electrical management device based on power line communication technology | |
| CN203289073U (en) | Electric leakage protection system for mine power distribution network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |
|
| CX01 | Expiry of patent term |