CN106569077A - Short circuit and detection dual-purpose device used for relay protection - Google Patents
Short circuit and detection dual-purpose device used for relay protection Download PDFInfo
- Publication number
- CN106569077A CN106569077A CN201610932986.5A CN201610932986A CN106569077A CN 106569077 A CN106569077 A CN 106569077A CN 201610932986 A CN201610932986 A CN 201610932986A CN 106569077 A CN106569077 A CN 106569077A
- Authority
- CN
- China
- Prior art keywords
- circuit
- short circuit
- detection
- relay protection
- dual
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention discloses a short circuit and detection dual-purpose device used for relay protection. The short circuit and detection dual-purpose device is characterized by comprising a cuboid operation box, wherein the operation box is equipped with a buckle-type opening-closing door, and a fuse placement fastening groove is arranged in the door; the operation box is additionally equipped with a circuit on-off selection switch, a circuit on-off indication lamp, a rotary switch, a voltage display meter, a first current display meter and a second current display meter, a wiring port is arranged on the side surface of the operation box, and a short circuit alarm circuit and a detection circuit are arranged inside the operation box. Compared with the prior art, the advantages of the present invention are that: the short circuit and detection dual-purpose device is simple and reliable in circuit design, the personal low-voltage electric shock caused by that the operation personnel touch a test wiring wrongly in a live wire manner and the damage of a relay protection tester and a protection device plug-in are avoided, the personal injury and the equipment damage caused by a wrong short circuit during a short circuit test process are avoided effectively, and the accuracy and the safety during the short circuit test are improved.
Description
Technical field
The present invention relates to Relay Protection Technology in Power System field, more particularly to a kind of short circuit used for relay protection and inspection
Survey dual-purpose apparatus.
Background technology
In daily relay protection work, Jing is often debugged to protection device, the examination of secondary specialty, debugging, week
School, maintenance present the characteristics of project is more, workload is big, in device experiment project, need to be passed through test to protective relaying device
Voltage x current, generally with two people, one man operation microcomputer tester, a people carry out test connection, and staff will face
Frequently test connection change, if mismate, echoing not in place, can cause that the latter is powered to touch test connection by mistake, cause examination
Test personnel's person low-voltage electric shock and reaying protection test instrument and protection device plug-in unit is damaged；The conventional means of another kind of detection is
Short circuit test in short-term is carried out to associated terminal, the common method of short circuit is one section lead of cutting, then terminal is straight with wire
Short circuit is connect, which has problems with：One be it is corresponding during short circuit connect prompting, operating personnel not can determine that operation
Whether short circuit success afterwards；Two is no safety in short circuit loop, and equipment, the person lose protection, or even can be due to mistake
Short circuit causes equipment damage and person electric shock injury by mistake.
For both the above detection mode, waste time and energy, there is potential safety hazard, now both are examined using a kind of combination
Survey in same device so that detection is easy to use, security performance is improved.
The content of the invention
It is an object of the invention to provide a kind of short circuit used for relay protection and detection dual-purpose apparatus, it is to avoid operator are powered
Touch testing crew person low-voltage electric shock and reaying protection test instrument and protection device plug-in unit caused by test connection by mistake to damage
And the person and equipment is damaged due to wrong short circuit in being prevented effectively from short circuit process of the test, improve in short circuit test
Accuracy and safety.
The present invention is achieved by the following technical solutions：A kind of short circuit used for relay protection and detection dual-purpose apparatus, which is special
It is the operating case for including cuboid to levy, and described operating case is provided with fastener type switch door, and the switch gate back side is provided with peace
Fuse draw-in groove is put, short circuit warning circuit and detection circuit in the operating case, is provided with；
The short circuit warning circuit includes the first electric current display table, shows four pieces of fuses that table is concatenated with first electric current,
The tail end of four fuses is connected to a rotary switch；
The circuit that the detection circuit is composed in series by the second electric current display table, connecting and disconnecting of the circuit display lamp and two protective resistances；
The short circuit warning circuit and detection circuit in parallel one termination and a Wiring port, another connecting and disconnecting of the circuit that is terminated at select to open
Close, another termination and another Wiring port of the connecting and disconnecting of the circuit selecting switch；The voltage display table is connected to described two
Wiring port, the operating case side are provided with Wiring port.
Further improve, described connecting and disconnecting of the circuit selecting switch, connecting and disconnecting of the circuit display lamp, rotary switch, voltage show table,
First electric current shows that table and the second electric current show table, is installed on the panel of operating case.
Further improve, the Wiring port draws detection line, the end of the detection line using the dismantled and assembled connection of buckle-type
Portion is provided with detection clip, for connecting detection port.
Further improve, the operating case adopts insulation booth.
Further improve, the detection clip is cased with the leather sheath that insulate.
The present invention has advantages below compared to existing technology：Circuit design of the present invention is simple and reliable, it is to avoid operator with
Electricity touches the testing crew person low-voltage electric shock and reaying protection test instrument and protection device plug-in unit caused by test connection by mistake and damages
Badly and in being prevented effectively from short circuit process of the test the person and equipment are damaged due to wrong short circuit, improved in short circuit test
Accuracy and safety.
Description of the drawings
Structural representations of the Fig. 1 for the present embodiment.
Electrical schematic diagrams of the Fig. 2 for the present embodiment.
Specific embodiment
Below embodiments of the invention are elaborated, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following enforcements
Example.
As shown in Figure 1, 2, the present embodiment provides a kind of short circuit used for relay protection and detection dual-purpose apparatus, it is characterised in that bag
The operating case 01 of cuboid is included, described operating case 01 is provided with fastener type switch door 02, and 02 back side of switch gate is provided with peace
Fuse draw-in groove is put, short circuit warning circuit 201 and detection circuit 202 in the operating case 01, is provided with；
The short circuit warning circuit 201 includes the first electric current display table 104, four concatenated with first electric current display table 104
Block fuse, the tail end of four fuses are connected to a rotary switch 102；
The detection circuit 202 shows table 105, connecting and disconnecting of the circuit display lamp 106 and two protective resistance concatenation groups by the second electric current
Into circuit；The short circuit warning circuit 201 and a detection circuit 202 in parallel termination and a Wiring port, another termination
In connecting and disconnecting of the circuit selecting switch 101, another termination and another Wiring port of the connecting and disconnecting of the circuit selecting switch；The voltage shows
Show that table 103 is connected to described two Wiring ports, 01 side of the operating case is provided with Wiring port 03；
Described connecting and disconnecting of the circuit selecting switch 101, connecting and disconnecting of the circuit display lamp 106, rotary switch 102, voltage show table 103, the
One electric current shows that table 104 and the second electric current show table 105, is installed on the panel of operating case 01.
Using operating case and detection line separate type in the present embodiment, when operation application is needed by detection line terminals with
With snapping connection, the detection clip that the detection end of detection line is provided with facilitates needed for direct clamping connection the Wiring port of operating case
The port of detection.Detection line is drawn using the dismantled and assembled connection of buckle-type with the Wiring port, the end of the detection line is provided with
Detection clip, for connecting detection port, for personal safety, the operating case of the present embodiment adopts insulation booth, the inspection
Survey clip and be cased with the leather sheath that insulate.
Differ greatly in view of the different corresponding current values in short circuit loop, and then the fuse specification selected is also poor
It is different, therefore, multiple fuse specifications different fuse is set in operating case, in the present embodiment from rated current be respectively 1A,
The fuse of 2A, 3A, 4A, is provided with the rotary switch for selecting electric current gear on the surface of operating case, and the gear of rotary switch sets
4 grades are set to, it is 1A, 3A, 6A and 10A to correspond to blowout current respectively, during operation, rotary switch is got to required electric current gear, phase
Blowout current is answered to connect in circuit.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of short circuit used for relay protection and detection dual-purpose apparatus, it is characterised in that it is including the operating case of cuboid, described
Operating case is provided with fastener type switch door, and the switch gate back side is provided with placement fuse draw-in groove, is provided with short circuit in the operating case
Warning circuit and detection circuit；
The short circuit warning circuit includes the first electric current display table, shows four pieces of fuses that table is concatenated with first electric current,
The tail end of four fuses is connected to a rotary switch；
The circuit that the detection circuit is composed in series by the second electric current display table, connecting and disconnecting of the circuit display lamp and two protective resistances；
The short circuit warning circuit and detection circuit in parallel one termination and a Wiring port, another connecting and disconnecting of the circuit that is terminated at select to open
Close, another termination and another Wiring port of the connecting and disconnecting of the circuit selecting switch；The voltage display table is connected to described two
Wiring port, the operating case side are provided with Wiring port.
2. a kind of short circuit used for relay protection according to claim 1 and detection dual-purpose apparatus, it is characterised in that：Described electricity
Road break-make selecting switch, connecting and disconnecting of the circuit display lamp, rotary switch, voltage show that table, the first electric current show that table and the second electric current are aobvious
Show table, be installed on the panel of operating case.
3. a kind of short circuit used for relay protection according to claim 1 and detection dual-purpose apparatus, it is characterised in that：The wiring
Detection line is drawn using the dismantled and assembled connection of buckle-type in port, and the end of the detection line is provided with detection clip, for connecting detection
Port.
4. a kind of short circuit used for relay protection according to claim 1 and detection dual-purpose apparatus, it is characterised in that：The operation
Box adopts insulation booth.
5. a kind of short circuit used for relay protection according to claim 3 and detection dual-purpose apparatus, it is characterised in that：The detection
Clip is cased with the leather sheath that insulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932986.5A CN106569077A (en) | 2016-11-01 | 2016-11-01 | Short circuit and detection dual-purpose device used for relay protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932986.5A CN106569077A (en) | 2016-11-01 | 2016-11-01 | Short circuit and detection dual-purpose device used for relay protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106569077A true CN106569077A (en) | 2017-04-19 |
Family
ID=58534368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610932986.5A Pending CN106569077A (en) | 2016-11-01 | 2016-11-01 | Short circuit and detection dual-purpose device used for relay protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106569077A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429231A (en) * | 2018-03-27 | 2018-08-21 | 国网山东省电力公司郓城县供电公司 | A kind of relay loop short circuit protection system |
| CN109541372A (en) * | 2018-11-26 | 2019-03-29 | 国网天津市电力公司 | A kind of power distribution automation is practical except the tool of lacking and its application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001069622A (en) * | 1999-09-01 | 2001-03-16 | Chuko Denki Kk | Unit for preventing device from being left undetached |
| JP2008216056A (en) * | 2007-03-05 | 2008-09-18 | Tokyo Electric Power Co Inc:The | Apparatus for testing test plug |
| CN202886414U (en) * | 2012-10-31 | 2013-04-17 | 瑞安电力有限责任公司 | Shorting device |
| CN204927717U (en) * | 2015-08-24 | 2015-12-30 | 洛阳三隆安装检修有限公司 | Signal school is short circuit ware for line |
| CN105842487A (en) * | 2016-03-22 | 2016-08-10 | 国网山东省电力公司章丘市供电公司 | Relay protection loop short-circuiting device |
-
2016
- 2016-11-01 CN CN201610932986.5A patent/CN106569077A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001069622A (en) * | 1999-09-01 | 2001-03-16 | Chuko Denki Kk | Unit for preventing device from being left undetached |
| JP2008216056A (en) * | 2007-03-05 | 2008-09-18 | Tokyo Electric Power Co Inc:The | Apparatus for testing test plug |
| CN202886414U (en) * | 2012-10-31 | 2013-04-17 | 瑞安电力有限责任公司 | Shorting device |
| CN204927717U (en) * | 2015-08-24 | 2015-12-30 | 洛阳三隆安装检修有限公司 | Signal school is short circuit ware for line |
| CN105842487A (en) * | 2016-03-22 | 2016-08-10 | 国网山东省电力公司章丘市供电公司 | Relay protection loop short-circuiting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429231A (en) * | 2018-03-27 | 2018-08-21 | 国网山东省电力公司郓城县供电公司 | A kind of relay loop short circuit protection system |
| CN109541372A (en) * | 2018-11-26 | 2019-03-29 | 国网天津市电力公司 | A kind of power distribution automation is practical except the tool of lacking and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108919002A (en) | A kind of test macro of direct-current charging post | |
| US20150015234A1 (en) | Contact voltage detection system and method | |
| CN101403779B (en) | Parameter measuring apparatus and system for high tension power line | |
| CN106526248A (en) | Integrated safety measure test junction box and use method | |
| CN206223821U (en) | A kind of integration peace arranges test connecting box | |
| CN110244103A (en) | A kind of clamp on amperemeter based on Rogowski coil | |
| CN108318766A (en) | Operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting | |
| CN206516856U (en) | Safety verification equipment | |
| CN104348113A (en) | Electric secondary work safety measure tool set | |
| CN106569077A (en) | Short circuit and detection dual-purpose device used for relay protection | |
| CN202616463U (en) | Anti-collision tool for connection terminal and anti-collision connection terminal | |
| CN109521311B (en) | Relay protection multi-outlet pressing plate measuring instrument | |
| CN204258145U (en) | Power Secondary work peace arranges tool set | |
| CN204679581U (en) | A kind of portable type current transformer polarity test device | |
| CN203365501U (en) | Conjunction box of electric energy metering device | |
| CN211627693U (en) | Portable automatic phase sequence detection device | |
| CN206040566U (en) | Auxiliary ground device | |
| CN201945654U (en) | Secondary grounding tester of voltage transformer | |
| CN205620457U (en) | PT secondary voltage signal isolation sampling device based on isolation transformer | |
| CN104201486B (en) | A kind of Portable short-circuit grounding device | |
| CN2916647Y (en) | High voltage switch insulation measuring apparatus | |
| CN106501558A (en) | A kind of safe mode of connection during electric power transmission line parameter testing | |
| CN110780127A (en) | Portable automatic phase sequence detection device | |
| CN202693726U (en) | Detection circuit and detection system for electric transmission and transformation equipment | |
| CN102832554B (en) | A kind of electric power apparatus examination test ground connection mechanical locking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170823 Address after: 233099 No. 829 Changzheng South Road, Anhui, Bengbu Applicant after: ZHONGKE ELECTRIC POWER EQUIPMENT GROUP Address before: 233050 No. 829 Changzheng South Road, Bengbu, Anhui, Bengbu Applicant before: Zhongke power equipment (Anhui) Intelligent Technology Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |
|
| RJ01 | Rejection of invention patent application after publication |