CN106526248A - Integrated safety measure test junction box and use method - Google Patents
Integrated safety measure test junction box and use method Download PDFInfo
- Publication number
- CN106526248A CN106526248A CN201611031647.6A CN201611031647A CN106526248A CN 106526248 A CN106526248 A CN 106526248A CN 201611031647 A CN201611031647 A CN 201611031647A CN 106526248 A CN106526248 A CN 106526248A
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- CN
- China
- Prior art keywords
- plug
- current
- jack
- current sampling
- work
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 238000005070 sampling Methods 0.000 claims abstract description 31
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 19
- 230000010354 integration Effects 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention relates to an integrated safety measure test junction box and use method. The integrated safety measure test junction box includes a connector socket, working plugs and test plugs, current sampling metal pieces, current short circuit metal pieces and a grounding metal piece are arranged in a socket shell cavity of the connector socket, the current sampling metal pieces are connected with a current transformer secondary side and a current line of a relay protection device, the grounding metal piece is connected with a grounding cable of the relay protection device, and current sampling jacks and loop normal work jacks are arranged in the socket shell; the working plugs are inserted in the loop normal work jacks to be connected with the current sampling metal pieces, and the working plugs are pulled out of a secondary side loop of the current transformer and are shorted with the current short circuit metal pieces; and one ends of the test plugs are connected with an on-site calibration instrument, and the other ends are inserted into the current sampling jacks. The integrated safety measure test junction box provided by the invention realizing automatic safety measures and isolation of a secondary loop by use of pulling-out and insertion of the working plugs, and the on-site calibration instrument is connected to the relay protection device through the test plugs, thereby completely eradicating potential safety hazards and safety accidents caused by manual misoperation.
Description
Technical field
The present invention relates to a kind of integration peace arranges test connecting box and using method, belong to technical field of electric power.
Background technology
According to《Relay protection check operational procedure》Require, upkeep operation is carried out to protective relaying device and primary equipment
When, need to carry out safe anti-accident measures protection, that is, need the terminal block to current loop to carry out short circuit and relay protection one
The disjunction isolation of electrical secondary system.Therefore the binding post and loop test terminal for accessing transformer secondary circuit should be easy to the peace at scene
Arrange the experiment work of service work and relay protection.
Found by studying, existing peace arranges connecting terminal block and special cranking test terminal in use
There is potential safety hazard：During wiring, its terminal metal is all exposed, is easily caused operator's electric shock；Connection piece is disconnected by stirring, make
On-site current transformer short circuit, then accessing reaying protection test tester again carries out UC, and complex steps more can be because of people
Make secondary current loop open a way for maloperation, so as to cause a transformer to damage, affect the safe and stable operation of electrical network.
The content of the invention
In view of this, present invention aim at providing a kind of integration peace arranges test connecting box, using plug-in type structure, with
The secondary current loop open circuit during use is avoided, and overcomes the potential safety hazard that existing termination is present.
To achieve these goals, the technical solution adopted in the present invention is：
A kind of integration peace arranges test connecting box, including connector socket, work plug and test plug, connector socket to include socket
Shell, is provided with current sampling metalwork, electric current short-contact metal part and grounded metal part, current sampling in the cavity of jack housing
Metalwork is used for the electric current line for connecting Current Transformer Secondary side and protective relaying device, and grounded metal part is used to connect relay guarantor
The ground cable of protection unit, jack housing are provided with current sampling jack and loop normal work jack；The bottom of work plug
For the plug of wedge structure, the built-in conductive metal sheet of plug, the top of the plug that works is safety guard, on plug insertion connector socket
Loop normal work jack after conductive metal sheet is connected with current sampling metalwork, work plug from loop normal work insert
After extracting in hole, secondary side circuit and the short circuit current metalwork short circuit of current transformer；One end of the test plug is used for
It is connected with on-site calibrator, the other end is used to insert the current sampling jack on connector socket.
The plug of the work plug is divided into five sub-plugs, insulated from each other between each sub-plug.
The current sampling metalwork and grounded metal part adopt high resiliency copper metal part.
The safety guard of the work plug is provided with Handheld Division.
Gathering sill is provided with positioned at the both sides of loop normal work jack in the jack housing of the connector socket, work plug
Plug both sides be provided with the guide pad supporting with gathering sill.
The jack housing of the connector socket is provided with draw-in groove, and the safety guard of the plug that works is provided with the card supporting with draw-in groove
Block.
The present invention also provides the using method of said structure terminal box simultaneously, and the method includes herein below：Relay first
The secondary side current line of protection device and current transformer is connected with the current sampling metalwork in connector socket respectively, and will
The ground cable of protective relaying device is connected with the grounded metal part in connector socket；By on work plug insertion connector socket
In the normal work jack of loop, the secondary circuit of protective relaying device summation current transformer is made to enter normal operating conditions；By work
Make plug to extract from the normal work jack of loop, and one end of test plug is connected with on-site calibrator, other end insertion
Testing inspection is carried out to protective relaying device in current sampling jack on connector socket.
Work plug insertion connector socket is realized that electric current is accessed in the secondary side current loop of protective relaying device by the present invention
In transformer, make the secondary relay protection circuit at scene enter working condition, current transformer is made by extracting work plug
Secondary side circuit is arranged and is isolated by electric current short-contact metal part automatic short circuit, the automatic peace for realizing secondary circuit.By test
Plug is linked into on-site calibrator in protective relaying device, without the need for testing equipment is directly accessed the secondary of protective relaying device
Current loop, because of hidden danger caused by artificial maloperation during so as to having prevented to test and overhaul, it also avoid personal safety accident
Occur.
The present invention is further elaborated below by way of the drawings and specific embodiments.
Description of the drawings：
Structural representations of the Fig. 1 for connector socket；
Fig. 2 is the structural representation of work plug；
Structural representations of the Fig. 3 for test plug；
Test plug is inserted when Fig. 4 is test the schematic diagram of connector socket；
Fig. 5 is terminal box schematic diagram after the insertion of work plug；
Fig. 6 extracts rear terminal box schematic diagram for work plug.
Specific embodiment：
With reference to shown in Fig. 1 to Fig. 6, a kind of integration peace arranges test connecting box, including connector socket, work plug and test plug
14, wherein, connector socket includes jack housing 1, and current sampling metalwork 6, electric current short circuit are provided with the cavity of jack housing 1
Metalwork 4 and grounded metal part 5, current sampling metalwork 6 are used to connect Current Transformer Secondary side and protective relaying device
Electric current line, grounded metal part 5 are used for the ground cable for connecting protective relaying device, current sampling metalwork 6 and grounded metal part 5
High resiliency copper metal part is adopted.Current sampling jack 2 and loop normal work jack 3 are provided with jack housing 1, outside socket
Loop normal work jack 3 is located on shell 1 is respectively provided on two sides with gathering sill 7, and draw-in groove 8 is additionally provided with jack housing 1.
Work plug is mainly made up of the safety guard 12 on top and the wedge structure plug of bottom, and plug is built-in with conductive gold
Category piece 13, plug is divided into five sub-plugs, insulated from each other between each sub-plug.Plug for convenience, in the both sides of plug point
The guide pad 9 matched with the gathering sill 7 in jack housing 1 is not provided with, guide pad 9 can play guide effect；Insert in work
The edge of the safety guard 12 of head is additionally provided with Handheld Division 10, convenient work plug into and out operation；Further, in order to make work
As plug be inserted into after connector socket can more firmly, be additionally provided with the safety guard 12 of work plug with jack housing 1
The fixture block 11 that matches of draw-in groove 8.
For being connected with on-site calibrator, the electric current that the other end is used to insert on connector socket takes for one end of test plug 14
It is connected with current sampling metalwork 6 in sample jack 2.
The integration peace that the present invention is provided arranges test connecting box that all metalworks are arranged in case, and case is using exhausted
Edge material, operating personnel will not directly contact charged metal part, it is to avoid the danger got an electric shock because abutting against line terminals by mistake.Use
When, the loop normal work jack plug of above-mentioned activating terminal being inserted in jack housing 1, the conductive metal sheet on plug
13 are electrically connected with current sampling sheet metal 6, make the current sampling gold that the secondary side of protective relaying device summation current transformer connects
Category part 6 is closed（As shown in Figure 5）, there is electric current to flow through in connector socket all the time, secondary circuit enters normal operating conditions.By work
When plug is extracted from loop normal work jack 3, electric current short-contact metal part 4 is first closed, then the conductive metal sheet on plug
13 are disconnected with current sampling metalwork 6 again（As shown in Figure 6）, can prevent electric current secondary side from opening a way, now, current transformer two
Automatic short circuit is realized in secondary side, and the loop connection between protective relaying device summation current transformer is safely disconnected, and loop can enter
Inspecting state.The other end that one end has been connected the test plug of on-site calibrator again is inserted into the electricity in jack housing 1
In stream sampling jack 2, you can carry out detection test to protective relaying device.
The present invention realizes the closing in sequence of current sampling metalwork 6 and electric current short-contact metal part 4 by plugging work plug
And disjunction, plug and play is very convenient, and the automatic peace for realizing secondary circuit is arranged and isolates work.
, only to illustrate technical scheme and unrestricted, those of ordinary skill in the art are to this for above example
Other modifications or equivalent that bright technical scheme is made, without departing from the spirit and scope of technical solution of the present invention,
All should cover in scope of the presently claimed invention.
Claims (7)
1. a kind of integration peace arranges test connecting box, it is characterised in that：Including connector socket, work plug and test plug, connect
Line socket includes jack housing, and current sampling metalwork, electric current short-contact metal part and ground connection are provided with the cavity of jack housing
Metalwork, current sampling metalwork are used for the electric current line for connecting Current Transformer Secondary side and protective relaying device, grounded metal
Part is used for the ground cable for connecting protective relaying device, and jack housing is provided with current sampling jack and loop normal work is inserted
Hole；Plug of the bottom of work plug for wedge structure, the built-in conductive metal sheet of plug, the top of the plug that works is safety guard,
Conductive metal sheet is made to be connected with current sampling metalwork after loop normal work jack on plug insertion connector socket, work is inserted
After head is extracted from the normal work jack of loop, secondary side circuit and the short circuit current metalwork short circuit of current transformer；It is described
For being connected with on-site calibrator, the other end is used to insert the current sampling jack on connector socket for one end of test plug.
2. a kind of integration peace according to claim 1 arranges test connecting box, it is characterised in that：The work plug insert
Head is divided into five sub-plugs, insulated from each other between each sub-plug.
3. a kind of integration peace according to claim 1 arranges test connecting box, it is characterised in that：The current sampling metal
Part and grounded metal part adopt high resiliency copper metal part.
4. a kind of integration peace according to claim 1 arranges test connecting box, it is characterised in that：The peace of the work plug
Full cover is provided with Handheld Division.
5. a kind of integration peace according to claim 1 arranges test connecting box, it is characterised in that：The connector socket insert
The both sides that loop normal work jack is located on seat shell are provided with gathering sill, and the plug both sides of the plug that works are provided with is matched somebody with somebody with gathering sill
The guide pad of set.
6. a kind of integration peace according to claim 1 arranges test connecting box, it is characterised in that：The connector socket insert
Seat shell is provided with draw-in groove, and the safety guard of the plug that works is provided with the fixture block supporting with draw-in groove.
7. as claim 1 to 6 any integration peace arranges the using method of test connecting box, it is characterised in that：
The method includes herein below：First the secondary side current line of protective relaying device and current transformer respectively with wiring
Current sampling metalwork connection in socket, and by the grounded metal part in the ground cable of protective relaying device and connector socket
Connection；By in the loop normal work jack on work plug insertion connector socket, protective relaying device summation current transformer is made
Secondary circuit enter normal operating conditions；Work plug is extracted from the normal work jack of loop, and by test plug
One end is connected with on-site calibrator, protective relaying device is tried in the current sampling jack on other end insertion connector socket
Test detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611031647.6A CN106526248B (en) | 2016-11-22 | 2016-11-22 | Integrated safety measure test junction box and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611031647.6A CN106526248B (en) | 2016-11-22 | 2016-11-22 | Integrated safety measure test junction box and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106526248A true CN106526248A (en) | 2017-03-22 |
| CN106526248B CN106526248B (en) | 2023-11-03 |
Family
ID=58356198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611031647.6A Active CN106526248B (en) | 2016-11-22 | 2016-11-22 | Integrated safety measure test junction box and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106526248B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990554A (en) * | 2017-12-29 | 2019-07-09 | 青岛海尔股份有限公司 | Thawing apparatus and refrigerator with the thawing apparatus |
| CN110456113A (en) * | 2019-09-18 | 2019-11-15 | 云南电网有限责任公司电力科学研究院 | A kind of plug-in electric current essential safety terminal |
| CN111751778A (en) * | 2020-05-20 | 2020-10-09 | 中国电力科学研究院有限公司 | Detection system and method for reliable access of electric energy meter calibration instrument |
| CN112444648A (en) * | 2020-11-17 | 2021-03-05 | 贵州电网有限责任公司 | Relay protection current loop rapid test wiring device |
| CN112510393A (en) * | 2020-11-25 | 2021-03-16 | 云南电网有限责任公司电力科学研究院 | Intrinsic safety terminal box and use method thereof |
| CN112510392A (en) * | 2020-11-25 | 2021-03-16 | 云南电网有限责任公司电力科学研究院 | Safety measure isolation device |
| CN111029813B (en) * | 2019-12-09 | 2024-03-29 | 大唐陕西发电有限公司 | Protective type secondary circuit misplug-preventing wiring terminal |
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| CN206223821U (en) * | 2016-11-22 | 2017-06-06 | 国网浙江省电力公司绍兴供电公司 | A kind of integration peace arranges test connecting box |
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2016
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990554A (en) * | 2017-12-29 | 2019-07-09 | 青岛海尔股份有限公司 | Thawing apparatus and refrigerator with the thawing apparatus |
| CN109990554B (en) * | 2017-12-29 | 2021-02-26 | 海尔智家股份有限公司 | Thawing device and refrigerator with same |
| CN110456113A (en) * | 2019-09-18 | 2019-11-15 | 云南电网有限责任公司电力科学研究院 | A kind of plug-in electric current essential safety terminal |
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| CN111029813B (en) * | 2019-12-09 | 2024-03-29 | 大唐陕西发电有限公司 | Protective type secondary circuit misplug-preventing wiring terminal |
| CN111751778A (en) * | 2020-05-20 | 2020-10-09 | 中国电力科学研究院有限公司 | Detection system and method for reliable access of electric energy meter calibration instrument |
| CN111751778B (en) * | 2020-05-20 | 2022-10-04 | 中国电力科学研究院有限公司 | Detection system and method for reliable access of electric energy meter calibration instrument |
| CN112444648A (en) * | 2020-11-17 | 2021-03-05 | 贵州电网有限责任公司 | Relay protection current loop rapid test wiring device |
| CN112510393A (en) * | 2020-11-25 | 2021-03-16 | 云南电网有限责任公司电力科学研究院 | Intrinsic safety terminal box and use method thereof |
| CN112510392A (en) * | 2020-11-25 | 2021-03-16 | 云南电网有限责任公司电力科学研究院 | Safety measure isolation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106526248B (en) | 2023-11-03 |
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