CN118011063A - Direct-insertion type secondary cable test wiring device - Google Patents
Direct-insertion type secondary cable test wiring device Download PDFInfo
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- CN118011063A CN118011063A CN202410425707.0A CN202410425707A CN118011063A CN 118011063 A CN118011063 A CN 118011063A CN 202410425707 A CN202410425707 A CN 202410425707A CN 118011063 A CN118011063 A CN 118011063A
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- 238000012360 testing method Methods 0.000 title claims abstract description 136
- 238000003780 insertion Methods 0.000 title claims abstract description 8
- 235000014676 Phragmites communis Nutrition 0.000 claims description 26
- 239000011810 insulating material Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 238000000926 separation method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract 1
- 241000270722 Crocodylidae Species 0.000 description 8
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000011897 real-time detection Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The invention relates to a direct-insertion type secondary cable test wiring device, and belongs to the field of secondary cable tests. Its technical scheme is, including the casing, the casing is provided with test plug and deformation piece, and the one end of deformation piece is fixed in the casing and is used for being connected with external test device, and the deformation piece other end is the deformation end, and the deformation end setting just can with test plug butt in test plug below, still is provided with sinle silk joint hole on the casing, sinle silk joint hole sets up in the top of deformation end. Through the deformation piece that sets up, when there is not the wire inspection jack in binding post row or be in the separation state in non-access terminal row, insert the cable core in the casing by the sinle silk spliced eye directly, until cable core and deformation end butt, deformation end atress downwardly moving this moment, deformation end and test plug separation, test plug does not switch on with test device, at the outside test plug of casing even with other cables, test plug contact also can not influence test result in the test process.
Description
Technical Field
The invention relates to the technical field of secondary cable tests, in particular to a direct-insertion type secondary cable test wiring device.
Background
The relay protection device in the transformer substation transmits and receives various signals by means of the secondary cable, so that respective functions are realized. The problems of whether each wire core of the secondary cable is correctly connected to the relevant position of the relay protection device, whether the insulation resistance of the wire core is qualified, whether grounding occurs or not and the like are related to the operation safety of the whole transformer substation equipment, so that various tests on the secondary cable are required to be carried out regularly, and each operation index of the secondary cable is ensured to be qualified.
When a secondary cable test is carried out, the secondary cable needs to be connected with test equipment by using a test wire, and in the test process, the core of the secondary cable is usually in two states, one is in a separated state in a connecting terminal row, and the other is in a separated state in a non-connected terminal row, and for the core of the secondary cable in the connected terminal row, a plug type test wire is usually directly inserted into a test jack of the terminal row to be connected with a test device. For the wire core which is not connected into the terminal row, the crocodile clip type test wire can be used for directly clamping the wire core to be connected with the test device.
However, if the terminal row is not provided with a test wire jack, the wire core is required to be detached from the terminal row and connected by using the crocodile clip, so that the applicable working situation is less; although the crocodile clip type test wire has wide application scenes, when the crocodile clip type test wire is connected with a multi-core cable, contact short circuits are easy to occur at metal positions of a plurality of crocodile clip tips or metal bare leakage positions of a plurality of wire cores, the test result is inaccurate if the crocodile clip type test wire is light, and equipment damage or electric shock is caused if the crocodile clip type test wire is heavy.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the direct-insertion type secondary cable test wiring device capable of contacting and shorting, and solves the problem that crocodile clip type test wires in the prior art are easy to generate contact and shorting.
The technical scheme adopted by the invention is as follows:
The utility model provides a test termination of straight-insert type secondary cable, which comprises a housin, be provided with test plug on the casing, test plug one end is fixed to be set up inside the casing, the outside binding post row that is used for inserting of casing is located to the test plug other end, still be provided with deformation piece in the casing, deformation piece's one end passes through fastening screw to be fixed in the casing and is used for being connected with outside test device, deformation piece other end is deformation end, deformation end setting is in test plug below and can with test plug butt, still be provided with sinle silk spliced eye on the casing, sinle silk spliced eye sets up in deformation end's top. Through the deformation piece, the cable test device can be abutted on the test plug to be electrified with the test plug under the action of no external force, and the test plug can be connected into the wiring terminal row to carry out the cable test; when there is not test line jack or be in the separation state in the non-access terminal row in binding post, insert the cable core in the casing by the sinle silk spliced eye directly, until cable core and deformation end butt, deformation end atress downwardly moving this moment, deformation end and test plug separation, cable core is connected with test device this moment, test plug and test device do not switch on, at the outside test plug of casing even with other cables, test plug contact still can not influence test result in the test process, can not have the condition that leads to equipment damage or staff to electrocute yet.
Preferably, a guide tube is connected below the wire core connecting hole. Through the guide tube that sets up, cable core can be under the direction effect of guide tube with deformation end accurate butt through sinle silk spliced eye.
Preferably, at least one elastic piece is arranged on the inner wall of the guide tube, the elastic piece is provided with a connecting part and an elastic part, the connecting part is fixed on the inner wall of the guide tube, and the elastic part is positioned in the inner cavity of the guide tube. Through the elasticity portion that sets up, can insert cable core to the inside back of casing at the staff, carry out the cable core and fix temporarily, need not that the staff holds cable core and casing all the time, the staff of being convenient for carries out follow-up test step.
Preferably, the elastic piece is a fastening reed, two ends of the fastening reed are fixed on the inner wall of the guide tube, and the middle part of the fastening reed is positioned in the inner cavity of the guide tube. Through the fastening reed that sets up, the debugging is simple, reduces device cost of manufacture.
Preferably, the deformation piece is a deformation reed, one end of the deformation reed is fixedly arranged inside the shell, and the deformation end of the deformation reed is positioned below the test plug and the wire core connecting hole. Through the deformation reed that sets up, can still keep self elasticity after long-time use, and simple structure, easy maintenance reduces device cost of manufacture.
Preferably, the shell is made of an insulating material. Through the casing that insulating material made, can avoid external interference, further improve experimental rate of accuracy.
Preferably, the shell is provided with an observation window. Through the observation window that sets up, can be convenient for staff's real-time detection device internal state, the staff can learn the problem of emergence under the abnormal conditions very first time.
Preferably, an acrylic plate is arranged on the observation window. Through the acrylic board that sets up, thereby can avoid debris such as outside dust to get into inside the device through the observation window influence test result, further guaranteed experimental rate of accuracy.
According to the technical scheme, the invention has the advantages that: through the deformation piece, the cable test device can be abutted on the test plug to be electrified with the test plug under the action of no external force, and the test plug can be connected into the wiring terminal row to carry out the cable test; when there is not test line jack or be in the separation state in the non-access terminal row in binding post, insert the cable core in the casing by the sinle silk spliced eye directly, until cable core and deformation end butt, deformation end atress downwardly moving this moment, deformation end and test plug separation, cable core is connected with test device this moment, test plug and test device do not switch on, at the outside test plug of casing even with other cables, test plug contact still can not influence test result in the test process, can not have the condition that leads to equipment damage or staff to electrocute yet. Through the guide tube that sets up, cable core can be under the direction effect of guide tube with deformation end accurate butt through sinle silk spliced eye. Through the elasticity portion that sets up, can insert cable core to the inside back of casing at the staff, carry out the cable core and fix temporarily, need not that the staff holds cable core and casing all the time, the staff of being convenient for carries out follow-up test step. Through the fastening reed that sets up, the debugging is simple, reduces device cost of manufacture. Through the deformation reed that sets up, can still keep self elasticity after long-time use, and simple structure, easy maintenance reduces device cost of manufacture. Through the casing that insulating material made, can avoid external interference, further improve experimental rate of accuracy. Through the observation window that sets up, can be convenient for staff's real-time detection device internal state, the staff can learn the problem of emergence under the abnormal conditions very first time. Through the acrylic board that sets up, thereby can avoid debris such as outside dust to get into inside the device through the observation window influence test result, further guaranteed experimental rate of accuracy.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of an internal structure of an embodiment of the present invention without inserting a cable core.
Fig. 3 is a schematic diagram of an internal structure of an embodiment of the present invention inserted into a cable core.
In the figure: 1. a housing; 2. a test plug; 3. a deformed reed; 4. a deformation end; 5. a wire core connecting hole; 6. a guide tube; 7. fastening the reed; 8. an observation window; 9. test line.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the invention are intended to be within the scope of the patent protection.
Examples:
As shown in fig. 1-3, a direct-insert type secondary cable test wiring device comprises a housing 1, in this embodiment, the housing 1 is made of insulating materials such as acrylic, a test plug 2 and a test wire 9 are arranged on the housing 1, one end of the test plug 2 is fixedly arranged inside the housing 1, the other end of the test plug 2 is arranged outside the housing 1 and is used for being connected into a wiring terminal row, a deformation piece is further arranged in the housing 1, one end of the deformation piece is fixed in the housing 1 and is used for being connected with an external test device through the test wire 9, the other end of the deformation piece is a deformation end 4, the deformation end 4 is arranged below the test plug 2 and can be abutted to the test plug 2, a wire core connecting hole 5 is further formed in the housing 1, and the wire core connecting hole 5 is arranged above the deformation end 4. Through the deformation piece, the cable test device can be abutted against the test plug 2 to electrify the test plug 2 under the action of no external force, and the test plug 2 can be connected into the wiring terminal row to carry out the cable test; when there is not test line jack or in the separation state in the non-access terminal row in binding post, insert the cable core in shell 1 directly by sinle silk spliced eye 5, until cable core and deformation end 4 butt, deformation end 4 atress downwardly moving this moment, deformation end 4 and test plug 2 separation, cable core is connected with test device this moment, test plug 2 and test device do not switch on, test plug 2 in the outside of shell 1 can not influence test result even with other cables, test plug 2 contact in the test process, can not have the condition that leads to equipment damage or staff to electrocute yet, shell 1 through insulating material makes can avoid external interference, further improve the accuracy of test.
In this embodiment, sinle silk spliced eye 5 below is connected with stand pipe 6, be provided with at least one elastic component on the stand pipe 6 inner wall, the elastic component is provided with connecting portion and elastic part, connecting portion are fixed on stand pipe 6 inner wall, elastic component is fastening reed 7 and equipartition are provided with four in this embodiment, elastic part is located stand pipe 6 inner chamber, fastening reed 7's both ends are fixed on stand pipe 6 inner wall, fastening reed 7's middle part is located stand pipe 6 inner chamber, so set up, through stand pipe 6 that set up, the cable core can pass sinle silk spliced eye 5 under stand pipe 6's direction effect with deformation end 4 accurate butt, through the elastic part that sets up, can be after the staff inserts cable core inside casing 1, fix cable core temporarily, need not staff and hold cable core and casing 1 all the time, the staff of being convenient for carries out follow-up test step, through fastening reed 7 that sets up, the debugging is simple, and reducing device cost of manufacture.
In this embodiment, deformation spare is deformation reed 3, and deformation reed 3's one end is fixed to be set up inside casing 1, and deformation reed 3's deformation end 4 is located test plug 2 and sinle silk wiring hole 5 below, so sets up, can still keep self elasticity after long-time use through the deformation reed 3 that sets up, and simple structure, easy maintenance, reduction device cost of manufacture.
In this embodiment, offered viewing window 8 on the casing 1, be provided with ya keli board on the viewing window 8, so set up, through the viewing window 8 that sets up, can be convenient for the staff real-time detection device internal state, the staff can learn the problem that takes place under the unusual condition of taking place very first time, thereby through the ya keli board that sets up, can avoid debris such as outside dust to get into inside the device through viewing window 8 thereby influence test result, further guaranteed the accuracy of test.
The operation of the cable test under different conditions using the apparatus in this embodiment is as follows:
The wiring terminal row has test socket: the cable test device can be abutted against the test plug 2 to electrify the test plug 2 under the action of no external force, and the test plug 2 can be connected into the wiring terminal row to carry out the cable test;
No test wire jack in the wiring terminal row or in a disconnected state in the unaccessed terminal row: the cable core is directly inserted into the shell 1 through the core connecting hole 5 until the cable core is abutted with the deformation end 4, the deformation end 4 is stressed to move downwards, the deformation end 4 is separated from the test plug 2, the cable core is connected with the test device, the test plug 2 is not electrified with the test device, the test result is not influenced even if the test plug 2 outside the shell 1 is contacted with other cables and the test plug 2 in the test process, and the situation that equipment is damaged or workers get an electric shock is avoided.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a test termination of straight-insert type secondary cable, including casing (1), a serial communication port, be provided with test plug (2) on casing (1), test plug (2) one end is fixed to be set up inside casing (1), the casing (1) outside is used for inserting in the binding post row is located to test plug (2) other end, still be provided with deformation spare in casing (1), deformation spare's one end is fixed in casing (1) and is used for being connected with outside test device, deformation spare other end is deformation end (4), deformation end (4) set up in test plug (2) below and can with test plug (2) butt, still be provided with sinle silk connecting hole (5) on casing (1), sinle silk connecting hole (5) set up in deformation end (4) top.
2. The in-line secondary cable test connection device according to claim 1, wherein a guide tube (6) is connected below the cable core connecting hole (5).
3. The direct-insertion type secondary cable test wiring device according to claim 2, wherein at least one elastic piece is arranged on the inner wall of the guide tube (6), the elastic piece is provided with a connecting part and an elastic part, the connecting part is fixed on the inner wall of the guide tube (6), and the elastic part is located in the inner cavity of the guide tube (6).
4. The direct-insertion type secondary cable test wiring device according to claim 3, wherein the elastic piece is a fastening reed (7), two ends of the fastening reed (7) are fixed on the inner wall of the guide tube (6), and the middle part of the fastening reed (7) is located in the inner cavity of the guide tube (6).
5. The direct-insertion type secondary cable test wiring device according to claim 1, wherein the deformation piece is a deformation reed (3), one end of the deformation reed (3) is fixedly arranged inside the shell (1), and the deformation end (4) of the deformation reed (3) is positioned below the test plug (2) and the cable core connecting hole (5).
6. The in-line secondary cable test connection device of claim 1 wherein the housing (1) is made of an insulating material.
7. The in-line secondary cable test connection device of claim 6 wherein the housing (1) is provided with an observation window (8).
8. The in-line secondary cable test connection device of claim 7 wherein an acrylic plate is provided on the viewing window (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410425707.0A CN118011063A (en) | 2024-04-10 | 2024-04-10 | Direct-insertion type secondary cable test wiring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410425707.0A CN118011063A (en) | 2024-04-10 | 2024-04-10 | Direct-insertion type secondary cable test wiring device |
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| Publication Number | Publication Date |
|---|---|
| CN118011063A true CN118011063A (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410425707.0A Pending CN118011063A (en) | 2024-04-10 | 2024-04-10 | Direct-insertion type secondary cable test wiring device |
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|---|---|
| CN (1) | CN118011063A (en) |
Citations (14)
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|---|---|---|---|---|
| CN102096000A (en) * | 2010-12-17 | 2011-06-15 | 河南省电力公司商丘供电公司 | Approval method for secondary cable cores |
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| CN213365003U (en) * | 2020-10-15 | 2021-06-04 | 马鞍山钢铁股份有限公司 | Cable core line calibration device |
| CN113655332A (en) * | 2021-07-07 | 2021-11-16 | 海南电网有限责任公司海南输变电检修分公司 | Core wire checking device for multi-core secondary cable |
| CN215768853U (en) * | 2021-09-22 | 2022-02-08 | 中国长江电力股份有限公司 | Secondary cable core insulation measurement auxiliary device |
| CN115453202A (en) * | 2022-10-21 | 2022-12-09 | 国网山东省电力公司菏泽供电公司 | Multi-loop insulation resistance testing method |
| CN218456215U (en) * | 2022-07-29 | 2023-02-07 | 国网山东省电力公司东营供电公司 | Secondary cable wire-disconnecting protector |
-
2024
- 2024-04-10 CN CN202410425707.0A patent/CN118011063A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096000A (en) * | 2010-12-17 | 2011-06-15 | 河南省电力公司商丘供电公司 | Approval method for secondary cable cores |
| CN203249978U (en) * | 2013-03-22 | 2013-10-23 | 国家电网公司 | Secondary cable sorting apparatus |
| CN203376427U (en) * | 2013-07-18 | 2014-01-01 | 国家电网公司 | An intelligent cable core checking instrument |
| CN204131019U (en) * | 2014-08-26 | 2015-01-28 | 国网河南省电力公司濮阳供电公司 | Substation secondary cable core wiring servicing unit |
| CN204760685U (en) * | 2015-08-10 | 2015-11-11 | 广东新宝电器股份有限公司 | Power supply switching device |
| CN205643426U (en) * | 2016-05-25 | 2016-10-12 | 唐伟斌 | Convenient and reliable SF6 density relay signal testing line |
| CN207037002U (en) * | 2017-08-14 | 2018-02-23 | 国网河南省电力公司平顶山供电公司 | A kind of secondary connection aids in Line Connectivity Test Tool |
| CN110011147A (en) * | 2019-04-18 | 2019-07-12 | 广州万浦电器有限公司 | A kind of foldable changeover plug of pin |
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