CN204556673U - A kind of relay protection secondary transmission test test connecting apparatus - Google Patents
A kind of relay protection secondary transmission test test connecting apparatus Download PDFInfo
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- CN204556673U CN204556673U CN201520292025.3U CN201520292025U CN204556673U CN 204556673 U CN204556673 U CN 204556673U CN 201520292025 U CN201520292025 U CN 201520292025U CN 204556673 U CN204556673 U CN 204556673U
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- conductive pole
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- 208000032370 Secondary transmission Diseases 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of relay protection secondary transmission test test connecting apparatus, comprise outer sleeve and the inner sleeve of suit, slip stop means is provided with between outer sleeve and inner sleeve, conductive pole is connect in being coaxially provided with in inner sleeve, run through inner sleeve bottom and be installed with outward extending external conductive pole, inside connect conductive pole and be electrically connected to external conductive pole, the upper end of inner sleeve is provided with conductive pole clamping apparatus; In use, connect in tested current terminal is set between conductive pole and inner sleeve, due to the reacting force of slip stop means, drive outer sleeve self-return, conductive pole clamping apparatus inwardly pushes away and is resisted against the periphery of current terminal by outer sleeve, with interior connect conductive pole coordinate realize clamping of current terminal fixing, prevent process of the test from causing test unit and current terminal to depart from because of slight vibrations, can plug and play, and convenient disassembly, while guaranteeing check accuracy test, substantially reduce test period.
Description
Technical field
The utility model relates to a kind of relay protection secondary transmission test equipment technical field, particularly relates to the test connecting apparatus used in a kind of relay protection secondary transmission test process.
Background technology
Relay protection secondary transmission test; first by second protection test apparatus, up-flow is carried out to protective device; the secondary current value flowing through protective device secondary circuit is made to reach protection definite value by increasing electric current; the setting current calculated; responded by the corresponding control loop of contact open and close controlling of relay, thus allow the inner respective logic element of protective device etc. react successively by the instruction set.Its significance is exactly: whether consistent with electrical schematic diagram and secondary connection diagram the second loop return wiring of check protection device is; whether the setting valve that adaptive setting personnel calculate relay protection constant value is rationally with correct, and whether secondary circuit indicating device, protective device pilot lamp, signal be complete accurately etc.Second protection transmission is the pith in transformer station's periodic status service work, and be also absolutely necessary key job.
In secondary circuit transmission test; first opening in flakes first by current terminal row is needed; again the test wire of secondary test board small fish wire clamp is clipped on terminal; but because the opening of small fish wire clamp is less, in test up-flow process, slight vibrations all can cause wire clamp to come off; cause the tripping operation of protection instrument; can only rewiring or two people coordinate, one man operation one people pins wire clamp with hand and tests, time-consuming very inconvenient.Relay protection secondary circuit transmission test is in practical work; the impact of power off time on resident will be considered often; want comprehensive society and Electrical Safety many factors especially; so just seem extremely important to the minimizing of the power off time of transformer station; how to shorten its unit check time, the particularly key that accurately then seems with safety checked can be ensured again simultaneously.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple to operate, test and clamps firmly relay protection secondary transmission test test connecting apparatus.
For solving the problems of the technologies described above; the technical solution of the utility model is: a kind of relay protection secondary transmission test test connecting apparatus; comprise outer sleeve; the inner sleeve of top end opening is slidably fitted with in described outer sleeve; slip stop means is provided with between described outer sleeve and described inner sleeve; conductive pole is connect in being coaxially provided with in described inner sleeve; run through described inner sleeve bottom and be installed with outward extending external conductive pole; connect conductive pole in described and be electrically connected to described external conductive pole, the upper end of described inner sleeve is provided with conductive pole clamping apparatus.
As preferred technical scheme, described slip stop means comprise relative on the surface of contact of described outer sleeve with described inner sleeve respectively on the stopper slot that is provided with, be provided with limit spring in described stopper slot.
As preferred technical scheme, described conductive pole clamping apparatus comprises at least two through holes running through described inner sleeve and be provided with, and the embedded shape of described through hole clamps ball.
As the improvement to technique scheme, described outer sleeve comprises ring body, and described ring body is provided with operation land outwardly near one end of described external conductive pole.
Owing to have employed technique scheme, a kind of relay protection secondary transmission test test connecting apparatus, comprise outer sleeve, the inner sleeve of top end opening is slidably fitted with in described outer sleeve, slip stop means is provided with between described outer sleeve and described inner sleeve, conductive pole is connect in being coaxially provided with in described inner sleeve, run through described inner sleeve bottom and be installed with outward extending external conductive pole, connect conductive pole in described and be electrically connected to described external conductive pole, the upper end of described inner sleeve is provided with conductive pole clamping apparatus; The beneficial effects of the utility model are: in use, connect in tested current terminal is set between conductive pole and inner sleeve, due to the reacting force of slip stop means, drive outer sleeve self-return, conductive pole clamping apparatus inwardly pushes away and is resisted against the periphery of current terminal by outer sleeve, with interior connect conductive pole coordinate realize clamping of current terminal fixing, prevent process of the test from causing test unit and current terminal to depart from because of slight vibrations, can plug and play, and convenient disassembly, while guaranteeing check accuracy test, substantially reduce test period.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural profile schematic diagram of the utility model embodiment;
Structural profile schematic diagram when Fig. 2 is the use of the utility model embodiment;
In figure: 1-outer sleeve; 11-ring body; 12-operates land; 2-inner sleeve; Conductive pole is connect in 3-; The external conductive pole of 4-; 5-stopper slot; 6-limit spring; 7-through hole; 8-clamps ball; 9-current terminal.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art can recognize, when not departing from spirit and scope of the present utility model, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As depicted in figs. 1 and 2; a kind of relay protection secondary transmission test test connecting apparatus; comprise outer sleeve 1; the inner sleeve 2 of top end opening is slidably fitted with in described outer sleeve 1; slip stop means is provided with between described outer sleeve 1 and described inner sleeve 2; conductive pole 3 is connect in being coaxially provided with in described inner sleeve 2; run through described inner sleeve 2 bottom and be installed with outward extending external conductive pole 4; connect conductive pole 3 in described and be electrically connected to described external conductive pole 4, the upper end of described inner sleeve 2 is provided with conductive pole clamping apparatus.
Described slip stop means in the present embodiment comprise relative on the surface of contact of described outer sleeve 1 with described inner sleeve 2 respectively on the stopper slot 5 that is provided with, be provided with limit spring 6 in described stopper slot 5.Described conductive pole clamping apparatus comprises at least two through holes 7 running through described inner sleeve 2 and be provided with, and the embedded shape of described through hole 7 clamps ball 8, described in clamp ball 8 and can be set to irony ball.
Described outer sleeve 1 comprises ring body 11, described ring body 11 is provided with operation land 12 outwardly near one end of described external conductive pole 4, during operation, described operation land 12 can be carried out spacing to the hand of experimenter, pulls out described ring body 11, convenient operation to facilitate.
The course of work of the present embodiment is as described below:
In use, external force is imposed artificially in described operation land 12 part of described outer sleeve 1, thus its outer end towards described external conductive pole 4 is moved, insert in the sleeve of tested current terminal 9 by connecing conductive pole 3 in described, when grafting due to the squeezing action of current terminal 9, the described ball 8 that clamps can outwards move slightly, clamp ball 8 described in making and described in the gap connect between conductive pole 3 have small size increase, connect in described conductive pole 3 good with current terminal 9 grafting after, discharge described operation land 12, now without External Force Acting, in the reseting procedure of described limit spring 6, drive described outer sleeve 1 return, described outer sleeve 1 contacts with the described ball 8 that clamps, one inside extruding force is applied to the described ball 8 that clamps, the sleeve clamping of ball 8 and current terminal 9 is clamped described in forcing, make current terminal 9 sleeve of insertion with described in connect conductive pole 3 and be connected and closely do not come off.Single when utilizing this device to carry out test operation, p-wire and described external conductive pole 4 are connected firmly, safe and reliable.
The utility model in use, connect in tested current terminal 9 is set between conductive pole 3 and inner sleeve 2, due to the reacting force of slip stop means, drive outer sleeve 1 self-return, conductive pole clamping apparatus inwardly pushes away and is resisted against the periphery of current terminal 9 by outer sleeve 1, with interior connect conductive pole 3 coordinate realize clamping of current terminal 9 fixing, prevent process of the test from causing test unit and current terminal 9 to depart from because of slight vibrations, can plug and play, and convenient disassembly, while guaranteeing check accuracy test, substantially reduce test period.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a relay protection secondary transmission test test connecting apparatus; it is characterized in that: comprise outer sleeve; the inner sleeve of top end opening is slidably fitted with in described outer sleeve; slip stop means is provided with between described outer sleeve and described inner sleeve; conductive pole is connect in being coaxially provided with in described inner sleeve; run through described inner sleeve bottom and be installed with outward extending external conductive pole, connect conductive pole in described and be electrically connected to described external conductive pole, the upper end of described inner sleeve is provided with conductive pole clamping apparatus.
2. a kind of relay protection secondary transmission test test connecting apparatus as claimed in claim 1; it is characterized in that: described slip stop means comprise relative on the surface of contact of described outer sleeve with described inner sleeve respectively on the stopper slot that is provided with, be provided with limit spring in described stopper slot.
3. a kind of relay protection secondary transmission test test connecting apparatus as claimed in claim 1, is characterized in that: described conductive pole clamping apparatus comprises at least two through holes running through described inner sleeve and be provided with, and the embedded shape of described through hole clamps ball.
4. a kind of relay protection secondary transmission test test connecting apparatus as described in claim 1,2 or 3, it is characterized in that: described outer sleeve comprises ring body, described ring body is provided with operation land outwardly near one end of described external conductive pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520292025.3U CN204556673U (en) | 2015-05-05 | 2015-05-05 | A kind of relay protection secondary transmission test test connecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520292025.3U CN204556673U (en) | 2015-05-05 | 2015-05-05 | A kind of relay protection secondary transmission test test connecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204556673U true CN204556673U (en) | 2015-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520292025.3U Expired - Fee Related CN204556673U (en) | 2015-05-05 | 2015-05-05 | A kind of relay protection secondary transmission test test connecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204556673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813945A (en) * | 2019-01-21 | 2019-05-28 | 国网山东省电力公司平度市供电公司 | Reaying protection test detects attachment device with PT secondary voltage |
| CN113507077A (en) * | 2021-07-12 | 2021-10-15 | 国网安徽省电力有限公司宿州供电公司 | Device for transmission interaction test of secondary virtual loop of substation reconstruction and extension |
-
2015
- 2015-05-05 CN CN201520292025.3U patent/CN204556673U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813945A (en) * | 2019-01-21 | 2019-05-28 | 国网山东省电力公司平度市供电公司 | Reaying protection test detects attachment device with PT secondary voltage |
| CN109813945B (en) * | 2019-01-21 | 2021-01-15 | 国网山东省电力公司平度市供电公司 | PT secondary voltage detection connecting device for relay protection test |
| CN113507077A (en) * | 2021-07-12 | 2021-10-15 | 国网安徽省电力有限公司宿州供电公司 | Device for transmission interaction test of secondary virtual loop of substation reconstruction and extension |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |