CN104991092A - Secondary protection test terminal row adaptor - Google Patents
Secondary protection test terminal row adaptor Download PDFInfo
- Publication number
- CN104991092A CN104991092A CN201510332203.5A CN201510332203A CN104991092A CN 104991092 A CN104991092 A CN 104991092A CN 201510332203 A CN201510332203 A CN 201510332203A CN 104991092 A CN104991092 A CN 104991092A
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- coupling
- terminal row
- insulation shell
- upper frame
- extension spring
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Abstract
The invention discloses a secondary protection test terminal row adaptor. The adaptor comprises a hooked connecting rack and a switching body. The hooked connecting rack comprises an upper rack body, a lower rack body and an elastic connection body. Two ends of the elastic connection body are elastically connected to the upper rack body and the lower rack body respectively. The upper rack body is provided with a switching body installing hole. The switching body is installed in the switching body installing hole of the upper rack body. The switching body comprises an insulation shell, an outer joint and a plugging sleeve which are connected into one body. The insulation shell is provided with a plugging hole which passes through upper and lower portions. An upper portion in the plugging hole is provided with the plugging sleeve and a lower portion is provided with the outer joint. A lower end head of the outer joint is stretched out of the insulation shell. The plugging sleeve and the outer joint are conductors and are mutually and eclectically connected. When the adaptor is used in a secondary loop relay protection test, a secondary line does not need to be dismounted, working efficiency is high and damages to the line are not generated. Problems that damages of repeated disconnection of a terminal row to a connection end and a power supply fault caused by mis-wiring can be effectively solved and operation and usage are safe.
Description
Technical field
The invention belongs to secondary loop in power system test unit technical field, especially relate to a kind of secondary circuit reaying protection test terminal block breakout box.
Background technology
The test of electric relay protection secondary circuit is not only related to the correctness of relay protection device action, and has influence on the safe and stable operation of relay protection system.Therefore, secondary circuit protection test is an important process in electric power system, and existing secondary reaying protection test, must remove secondary line from terminal block, just can carry out reaying protection test.The deficiency existed: one is waste time and energy, inefficiency; Two is that terminal block is repeated multiple times disconnects, and easily causes loose contact, the regular event of impact protection; Three is that mis-wired mistake easily occurs, and then causes power supply trouble.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of when second protection is tested, and can carry out the quick joint test terminal converter of wiring test without the need to taking out stitches.
For solving the problems of the technologies described above, the present invention includes hook-shaped hitch and chovr body, described hook-shaped hitch comprises upper frame, lower frame and nonrigid connector, and described nonrigid connector two ends are connected with upper and lower support body elasticity respectively; Described upper frame is provided with chovr body mounting hole, described chovr body is arranged in the chovr body mounting hole of upper frame, described chovr body comprise be connected insulation shell, coupling and grafting cover, insulation shell is provided with the spliced eye of up/down perforation, spliced eye internal upper part is provided with grafting cover, bottom is provided with coupling, coupling lower end reaches beyond insulation shell, and grafting cover and coupling are electric conductor, and are electrically connected to each other.
Preferably described nonrigid connector is insulation extension spring, and upper frame and lower frame are provided with extension spring draw-in groove, and the two ends of described insulation extension spring are placed in the extension spring draw-in groove of upper and lower support body.
Further preferably described upper frame has horizontal segment and vertical section, is provided with down the cannon plug stretched bottom described vertical section; Described lower frame has vertical section and the crotch section by vertical section bending, this vertical section top be provided with stretch and the sleeve coordinated with described cannon plug, described insulation extension spring is sleeved on described cannon plug and sleeve.
Another preferably described insulation shell is threaded with upper frame, and be provided with conduction connector in the spliced eye of described insulation shell, described coupling is electrically connected with conduction connector, and described grafting cover is electrically connected with conduction connector.
Described coupling is threaded with conduction connector, and described grafting cover is threaded with conduction connector.
Described coupling lower end is provided with movable contact.
Beneficial effect of the present invention is: because upper frame of the present invention and lower frame are linked together by nonrigid connector, upper frame is provided with chovr body, is provided with grafting cover and the coupling of electrical connection in chovr body.When carrying out secondary circuit reaying protection test; according to testing requirements; hook-shaped hitch lower frame is hooked on the fin of terminal block sidewall; again the coupling of chovr body of the present invention is plugged in the wiring hole of testing terminal row; coupling under the effect of nonrigid connector with the testing terminal close proximity of terminal block; make grafting cover, coupling and testing terminal form electrical connection, finally the connecting line of reaying protection test instrument is connected with the grafting cover of chovr body.In use, because upper frame and lower frame are linked together by nonrigid connector, upper frame can rotate relative to lower frame, after a terminal has been tested, rotate upper frame, on the another terminal interface that coupling is plugged on nearby, the test of next terminal can be carried out, switching fast, without the need to dismantling secondary line, not only work efficiency is high, and can not cause damage to circuit, effectively can solve the repeated multiple times power supply trouble disconnecting infringement that link is caused and mis-wired and cause of terminal block, operation use safety.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is overall schematic of the present invention;
Fig. 2 is cut-open view of the present invention;
Fig. 3 is that the present invention uses connection diagram.
Embodiment
See figures.1.and.2, this second protection testing terminal row breakout box comprises hook-shaped hitch 1 and chovr body 2.Hook-shaped hitch 1 adopts ambroin to be made, and it is made up of upper frame 11, lower frame 12 and nonrigid connector 13, and upper frame 11 has horizontal segment and vertical section, is provided with down the cannon plug 15 stretched bottom the vertical section of upper frame 11; Lower frame 12 has vertical section and the crotch section by vertical section bending, this crotch Duan Youyi tilting section, the end of this tilting section is close to the horizontal segment of upper frame 11, the vertical section top of lower frame 12 be provided with stretch and the sleeve 16 coordinated with cannon plug 15, plug 15 and sleeve 16 are plugged in together.Nonrigid connector 13 is provided with between upper and lower support body, nonrigid connector 13 in the present embodiment is ambroin extension spring, upper frame 11 and lower frame 12 are provided with extension spring draw-in groove 14, insulation extension spring is sleeved on cannon plug 15 and sleeve 16, and the two ends of insulation extension spring are placed in the extension spring draw-in groove 14 of upper and lower support body.Extension spring plays connection and pressurization, and during use, it can make hook-shaped hitch 1 firmly be connected in terminal block, and is conducive to the connection of chovr body 2 and testing terminal.The vertical part of upper and lower support body also can adopt the connection of other form, and the present embodiment adopts the inserting mode of circular plug and sleeve, and upper and lower support body can more flexible rotating.When testing, lower frame can adjust the plug-in position of upper frame when not changing position, realize the quick switching of multi-terminal, work efficiency is high.Upper frame 11 is provided with chovr body mounting hole, namely on the horizontal segment of upper frame 11, chovr body mounting hole is provided with, chovr body 2 is arranged in the chovr body mounting hole of upper frame 11, chovr body 2 comprise be connected insulation shell 21, coupling 23 and grafting cover 24, insulation shell 21 is provided with the spliced eye 22 of up/down perforation, spliced eye 22 internal upper part is provided with grafting cover 24, bottom is provided with coupling 23, coupling 23 lower end reaches beyond insulation shell 21, grafting cover 24 and coupling 23 are electric conductor, and are electrically connected to each other.For improving the strength of joint of chovr body 2 and testing terminal, the present embodiment insulation shell 21 is threaded with upper frame 11, the upper-lower position of rotating insulated housing 21 adjustable coupling 23, is conducive to the connection of coupling 23 and tested terminal block.In embodiment illustrated in fig. 2, be provided with conduction connector 25 in the spliced eye 22 of insulation shell 21, coupling 23 is electrically connected with conduction connector 25, and grafting cover 24 is electrically connected with conduction connector 25.In order to easy to connect, coupling 23 is threaded with conduction connector 25, and grafting cover 24 is threaded with conduction connector 25, and coupling 23 lower end is provided with rotatable movable contact 26.
With reference to Fig. 3, shown electric power secondary circuit reaying protection test of the present invention, the connection that tester and testing terminal are arranged.During use, lower frame 12 of the present invention is hooked on the incline of terminal block 5, and lift upper frame 11, makes coupling 23 be plugged in the terminal interface 6 of terminal block 5, make grafting cover, coupling and testing terminal form electrical connection, then cable plug is plugged in grafting cover 24 and can tests.After a terminal has been tested, rotate upper frame 11, on the another terminal interface 6 that coupling 23 is plugged on nearby, the test of next terminal can be carried out.Switching is quick, and without the need to disconnecting circuit.
Claims (6)
1. a second protection testing terminal row breakout box, it is characterized in that comprising hook-shaped hitch (1) and chovr body (2), described hook-shaped hitch (1) comprises upper frame (11), lower frame (12) and nonrigid connector (13), and described nonrigid connector (13) two ends are connected with upper and lower support body elasticity respectively, described upper frame (11) is provided with chovr body mounting hole, described chovr body (2) is arranged in the chovr body mounting hole of upper frame (11), described chovr body (2) comprises the insulation shell (21) be connected, coupling (23) and grafting cover (24), insulation shell (21) is provided with the spliced eye (22) of up/down perforation, spliced eye (22) internal upper part is provided with grafting cover (24), bottom is provided with coupling (23), coupling (23) lower end reaches beyond insulation shell (21), grafting cover (24) and coupling (23) are electric conductor, and be electrically connected to each other.
2. according to second protection testing terminal row breakout box according to claim 1; it is characterized in that described nonrigid connector (13) is for insulation extension spring; upper frame (11) and lower frame (12) are provided with extension spring draw-in groove (14), and the two ends of described insulation extension spring are placed in the extension spring draw-in groove (14) of upper and lower support body.
3., according to second protection testing terminal row breakout box according to claim 2, it is characterized in that described upper frame (11) has horizontal segment and vertical section, bottom described vertical section, be provided with down the cannon plug (15) stretched; Described lower frame (12) has vertical section and the crotch section by vertical section bending, this vertical section top be provided with stretch and the sleeve (16) coordinated with described cannon plug (15), described insulation extension spring is sleeved on described cannon plug (15) and sleeve (16).
4. according to second protection testing terminal row breakout box according to claim 1; it is characterized in that described insulation shell (21) is threaded with upper frame (11); conduction connector (25) is provided with in the spliced eye (22) of described insulation shell (21); described coupling (23) is electrically connected with conduction connector (25), and described grafting cover (24) is electrically connected with conduction connector (25).
5., according to second protection testing terminal row breakout box according to claim 4, it is characterized in that described coupling (23) is threaded with conduction connector (25), described grafting cover (24) is threaded with conduction connector (25).
6., according to the second protection testing terminal row breakout box described in any one of claim 1-5, it is characterized in that described coupling (23) lower end is provided with movable contact (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332203.5A CN104991092B (en) | 2015-06-16 | 2015-06-16 | Second protection testing terminal arranges adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332203.5A CN104991092B (en) | 2015-06-16 | 2015-06-16 | Second protection testing terminal arranges adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104991092A true CN104991092A (en) | 2015-10-21 |
| CN104991092B CN104991092B (en) | 2018-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510332203.5A Active CN104991092B (en) | 2015-06-16 | 2015-06-16 | Second protection testing terminal arranges adapter |
Country Status (1)
| Country | Link |
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| CN (1) | CN104991092B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842491A (en) * | 2016-03-22 | 2016-08-10 | 国网山东省电力公司章丘市供电公司 | Test terminal needle |
| CN105866476A (en) * | 2016-03-28 | 2016-08-17 | 国家电网公司 | Portable testing terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513066A (en) * | 2013-09-25 | 2014-01-15 | 国家电网公司 | Novel and special three-jaw testing wire clamp for relay protection |
| CN203894263U (en) * | 2014-04-24 | 2014-10-22 | 国家电网公司 | Relay protection tester interface conversion device |
| CN204188654U (en) * | 2014-10-23 | 2015-03-04 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of relay protection terminal block clamp |
| CN204389550U (en) * | 2015-02-10 | 2015-06-10 | 深圳供电局有限公司 | The flexible connector that a kind of anti-reaying protection test touches by mistake |
| CN204789635U (en) * | 2015-06-16 | 2015-11-18 | 国网山东昌乐县供电公司 | Secondary protection test terminal row adapter |
-
2015
- 2015-06-16 CN CN201510332203.5A patent/CN104991092B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513066A (en) * | 2013-09-25 | 2014-01-15 | 国家电网公司 | Novel and special three-jaw testing wire clamp for relay protection |
| CN203894263U (en) * | 2014-04-24 | 2014-10-22 | 国家电网公司 | Relay protection tester interface conversion device |
| CN204188654U (en) * | 2014-10-23 | 2015-03-04 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of relay protection terminal block clamp |
| CN204389550U (en) * | 2015-02-10 | 2015-06-10 | 深圳供电局有限公司 | The flexible connector that a kind of anti-reaying protection test touches by mistake |
| CN204789635U (en) * | 2015-06-16 | 2015-11-18 | 国网山东昌乐县供电公司 | Secondary protection test terminal row adapter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842491A (en) * | 2016-03-22 | 2016-08-10 | 国网山东省电力公司章丘市供电公司 | Test terminal needle |
| CN105866476A (en) * | 2016-03-28 | 2016-08-17 | 国家电网公司 | Portable testing terminal |
| CN105866476B (en) * | 2016-03-28 | 2019-04-26 | 国家电网公司 | Portable testing terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104991092B (en) | 2018-05-04 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20171229 Address after: The 262400 Shandong city of Weifang province Changle County Street No. 183 Applicant after: State Grid Shandong Electric Power Company, Changle Power Supply Company Address before: 262400 Shandong County, Weifang City, Changle County Street, No. 183 Applicant before: STATE GRID SHANDONG CHANGLE COUNTY POWER SUPPLY CO., LTD. |
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