CN109560428B - Prefabricated cable for preventing open circuit of current transformer and preventing short circuit of voltage transformer - Google Patents
Prefabricated cable for preventing open circuit of current transformer and preventing short circuit of voltage transformer Download PDFInfo
- Publication number
- CN109560428B CN109560428B CN201811122669.2A CN201811122669A CN109560428B CN 109560428 B CN109560428 B CN 109560428B CN 201811122669 A CN201811122669 A CN 201811122669A CN 109560428 B CN109560428 B CN 109560428B
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- Prior art keywords
- contact pin
- male
- female
- conductive
- pin fixing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
- H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
- H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
- H01R13/7034—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity the terminals being in direct electric contact separated by double sided connecting element
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
Landscapes
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a prefabricated cable for preventing open circuit of a current transformer and preventing short circuit of a voltage transformer, which comprises an open circuit preventing aviation socket and an open circuit preventing aviation plug, wherein the open circuit preventing aviation socket comprises a male contact pin, an insulating sleeve is sleeved on the outer side of the male contact pin, a conductive slider is sleeved on the outer side of the insulating sleeve, the open circuit preventing aviation plug comprises a female contact pin, a female contact pin press-connection hole is formed in one end of the female contact pin, the male contact pin can be inserted into the female contact pin and is electrically connected with the female contact pin, a plurality of male contact pins and a plurality of female contact pins are arranged and correspond to one another, and the plurality of male contact pins can be selectively and electrically connected with one another. The structure is flexible after the prefabrication production is finished, and the number of the prefabricated units can be increased or decreased randomly according to the requirement; the product structure is not uniform, and different specifications can be interchanged and used universally.
Description
Technical Field
The invention relates to the field of cables, in particular to a prefabricated cable for preventing a current transformer from being opened and a voltage transformer from being short-circuited.
Background
The transformer substation control cable and the power cable are more and more in use amount, the conventional prefabricated cable is adopted, and the factory prefabricated production is gradually adopted, so that the field construction difficulty is greatly reduced, and the construction period is shortened; along with the improvement of production technology, the secondary circuit of the current transformer also adopts a prefabricated cable, but the universality is not strong, and 2 cores, 4 cores and 6 cores are different in size and function and cannot be used universally.
The prior art has the following defects:
(1) after production, the structure is solidified, and the functions cannot be increased or decreased;
(2) the product structure is not uniform, and different specifications are not universal.
Disclosure of Invention
The invention aims to provide a prefabricated cable for preventing an open circuit of a current transformer and a short circuit of a voltage transformer, which can overcome the defects of low universality and single function in the prior art.
The invention adopts the following technical scheme:
the utility model provides a current transformer prevents opening a way and voltage transformer prevents prefabricated cable of short circuit, including preventing the aviation socket that opens a way and preventing the aviation plug that opens a way, just prevent that the aviation socket that opens a way includes public contact pin, and the outside cover of public contact pin is equipped with insulating cover, and the outside cover of insulating cover is equipped with electrically conductive slider, prevent the aviation plug that opens a way including female contact pin, the one end of female contact pin is equipped with female contact pin press-connection hole, just public contact pin can insert in the inside and electric connection of female contact pin, just public contact pin and female contact pin all are equipped with a plurality of roots, and the one-to-one, and the selective electric connection of a plurality of public contact pin.
Public pin includes public pin main part, pedestal, public pin fixed part, public pin cable crimping hole, public pin main part and public pin fixed part are connected respectively to the both sides of pedestal, be equipped with public pin cable crimping hole on the public pin fixed part, public pin main part, pedestal, public pin fixed part are integrative electrically conductive.
The male contact pin is provided with six pieces and fixed on the male contact pin fixing clamp.
The utility model discloses a public contact pin of electricity, including public contact pin, electrically conductive slider, public contact pin fixing clip, electrically conductive slider is located through the contact pin pot cover that is equipped with on it the outside of public contact pin, just electrically conductive slider can follow public contact pin slides, the fixed spring that is equipped with of one end of electrically conductive slider, just the other end of spring is fixed on public contact pin fixing clip.
The electrically conductive slider passes through the pedestal is spacing, just electrically conductive slider with pedestal electrical contact.
The female contact pin comprises a female contact pin main body and a female contact pin fixing part, and a female contact pin press-connecting hole is formed in the female contact pin fixing part.
Female contact pin is equipped with six, just female contact pin is fixed on mother's contact pin fixing clip.
The pin fixing device is characterized by further comprising a support frame, wherein the support frame is fixed on the female pin fixing clamp, and protrudes out of the female pin.
Six contact pin fixing holes are formed in the conductive sliding block.
The six contact pin fixing holes are positioned in the same conductive area;
or two adjacent contact pin fixing holes in the six contact pin fixing holes are positioned in the same conductive region, and the middle of the six contact pin fixing holes is provided with a contact pin fixing hole positioned in a non-conductive region at an interval;
or three of the six contact pin fixing holes are positioned in the same conductive region and are arranged at intervals with one contact pin fixing hole positioned in the non-conductive region;
or two adjacent pin fixing holes in the six pin fixing holes are positioned in the non-conductive area, and the middle of the six pin fixing holes is spaced by one pin fixing hole positioned in the non-conductive area.
The invention has the advantages that: the structure is flexible after production is finished, and the number of the parts can be increased or decreased arbitrarily according to needs; the product structure is not uniform, and different specifications can be interchanged and used universally.
Drawings
The invention is described in detail below with reference to examples and figures, in which:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the use state of fig. 1.
Fig. 3 is a schematic view of the structure of the anti-open aviation socket.
Figure 4 is a schematic view of the structure of an anti-open aviation plug.
FIGS. 5A, 5B, 5C, 5D are schematic cross-sectional views of a conductive slider in accordance with the present invention.
Fig. 6 is a usage diagram of the present invention.
Detailed Description
The following further illustrates embodiments of the invention:
as shown in fig. 1, the invention discloses a prefabricated cable for preventing open circuit of a current transformer and short circuit of a voltage transformer, which is characterized by comprising an open circuit preventing aviation socket 10 and an open circuit preventing aviation plug 20, wherein the open circuit preventing aviation socket 10 comprises a male contact pin 5, an insulating sleeve 6 is sleeved outside the male contact pin 5, a conductive slider 3 is sleeved outside the insulating sleeve 6, the open circuit preventing aviation plug 20 comprises a female contact pin 8, a female contact pin press-connection hole 9 is formed in one end of the female contact pin 8, the male contact pin 5 can be inserted into the female contact pin 6 and electrically connected, a plurality of male contact pins 5 and a plurality of female contact pins 8 are arranged and are in one-to-one correspondence, and the male contact pins 5 can be selectively and electrically connected.
The female pin 8 comprises a female pin main body 81 and a female pin fixing part 82, and the female pin fixing part 82 is provided with a female pin press-connecting hole 9. Female contact pin 8 is equipped with six, just female contact pin 8 is fixed on mother's contact pin fixing clip 7, including a support frame 83, just the support frame is fixed on female contact pin fixing clip, just the support frame salient in female contact pin, when public contact pin inserted female contact pin inside, support frame and electrically conductive slider butt to prevent electrically conductive slider and pedestal butt, thereby cut off the power supply with it.
As shown in fig. 1 and 2, in normal use, the male contact pin and the female contact pin keep contact, the female contact pin fixing clip pushes the conductive slider away, all the male contact pins are disconnected and shorted, and the male contact pin and the female contact pin form a loop; and the others are analogized in turn.
In the pulling-out process: before the conductive slider is completely contacted with the male pin to form the internal short circuit of the socket, the male pin is tightly kept in contact with the female pin, and after the conductive slider is completely contacted with the male pin to form the internal short circuit of the socket, the male pin is separated from the female pin.
After the cable is completely pulled out, the conductive sliding block is pushed, contacted and pressed towards the male pins under the action of the spring, and all the male pin cables are completely short-circuited in the compression connection holes;
according to the different structures and functions of the conductive sliding blocks, the conductive sliding blocks with different structures are replaced to realize different functions. As shown in fig. 5A, a shaft hole 31 is formed in the center of the conductive slider, a conductive area 32 is formed on the conductive slider, six pin fixing holes are formed in the conductive area 32, and the six pin fixing holes are located in the same conductive area; as shown in fig. 5B, the conductive slider has a shaft hole 31 at the center, and a conductive area 32 is disposed on the conductive slider, two adjacent pin fixing holes 33 in the same conductive area are in the six pin fixing holes, and a pin fixing hole 34 in a non-conductive area is spaced between the two adjacent pin fixing holes; as shown in fig. 5C, the conductive slider has a shaft hole 31 at the center, and a conductive area 32 is disposed on the conductive slider, three pin fixing holes 33 in the same conductive area and one pin fixing hole 34 in a non-conductive area are disposed at intervals; as shown in fig. 5D, the conductive slider has a shaft hole 31 at the center, and a conductive area 32 is disposed on the conductive slider, and two adjacent pin fixing holes of the six pin fixing holes are located in the pin fixing holes 33 of the non-conductive area and separated by a pin fixing hole 34 of the non-conductive area. The conductive sliding block in the invention has replaceable function; the reversible disassembly and assembly structure is adopted, the packaging is simple, and the conductive sliding block is convenient to replace; the 6-core open-circuit-proof socket function can be realized by adopting the 6-hole conductive sliding block; 4-hole conductive sliding blocks are adopted, so that the functions of a 4-core open-circuit-proof socket and a 2-core short-circuit-proof socket which are integrated can be realized; 3-hole conductive sliding blocks are adopted, so that the functions of 3-core open-circuit prevention and 3-core short-circuit prevention integrated socket can be realized; the 2-hole conductive sliding block is adopted, so that the functions of preventing an open circuit by 2 cores and preventing a short circuit by 4 cores of the same socket can be realized.
As shown in FIG. 6, the anti-open aviation socket 10 is fixed on the socket mounting plate 80, the anti-open aviation socket 10 and the anti-open aviation plug 20 are respectively an aviation plug 90 with an insulating thimble and an aviation socket 70 with an insulating thimble, the anti-open aviation socket 10 is connected with the branch 30 in the prefabricated cable cabinet, the length is 2-20 m, a single stranded wire is adopted to directly connect the device from the prefabricated cable socket, thereby avoiding a guide rail and a wiring terminal, the anti-open aviation plug is connected with the cable main line 120, the multi-core stranded armored flexible cable is adopted, the length is based on actual measurement, the cable main line 120 is provided with a shielding layer grounding wire connected with the equipotential terminal row 100 and an armored layer grounding wire connected with the grounding terminal row 120, the two sides of the anti-open aviation socket 10 and the anti-open aviation plug 20 respectively form a prefabricated cable socket end 60 and a prefabricated cable main cable 130, the prefabricated cable socket end 60 is provided, The aviation socket and the socket mounting plate are used for completing all in-cabinet wiring before leaving a factory, after the screen cabinet is mounted in place, the aviation socket and the prefabricated cable main cable plug aviation plug are used for completing cable connection, and the branch electric wires are respectively divided into an A-end CT side 40 and a B-end protection side. The two ends of the prefabricated cable main cable 130 are provided with an aviation plug, an armor layer grounding wire and a shielding layer grounding wire; the length of the main cable is measured on site, the main cable is prefabricated before delivery, and is butted with the socket in the cabinet after being laid on site, and the main cable can be used in a plug-and-play mode.
When the invention is used normally: the male contact pin keeps contact with the female contact pin, the female contact pin fixing clamp pushes the conductive sliding block away, all the male contact pins are disconnected and short-circuited, and the male contact pin and the female contact pin form a loop; and the others are analogized in turn. In the pulling-out process: before the conductive slider is completely contacted with the male pin to form the internal short circuit of the socket, the male pin is tightly kept in contact with the female pin, and after the conductive slider is completely contacted with the male pin to form the internal short circuit of the socket, the male pin is separated from the female pin. After the cable is completely pulled out, the conductive sliding block is pushed, contacted and pressed towards the male pins under the action of the spring, and all the male pin cables are completely short-circuited in the compression connection holes; different functions are realized by replacing the conductive sliding block; the 6-hole conductive sliding block is adopted in the mode, so that the function of a 6-core open-circuit-proof socket can be realized; in the mode, the 4-hole conductive sliding block is adopted, so that the functions of a 4-core open-circuit-proof socket and a 2-core short-circuit-proof socket which are integrated can be realized; the mode adopts the 3-hole conductive sliding block, and can realize the functions of 3-core open circuit prevention and 3-core short circuit prevention integrated socket; in the mode, the 2-hole conductive sliding block is adopted, so that the functions of a 2-core open-circuit-proof socket and a 4-core short-circuit-proof socket which are integrated can be realized; the cable main cable grounding wires are manufactured in a factory and are respectively welded with the grounding wires; then packaging is carried out; in the mode, the shielding layer grounding wire and the armor layer grounding wire are manufactured in a factory, and the grounding wire is firmer and is not easy to fall off by adopting a welding process; in the method, the welding points are packaged by adopting the multilayer insulating heat-shrinkable tubes, so that the welding points are firmer and have better sealing performance and insulating property; this mode cable and public contact pin fixing clip 1 through the encapsulation of 6 crimping of insulating cover, make the tensile property and the sealing performance of whole cable have great improvement: the connectors at the two ends of the main cable are all provided with cable numbers, so that the cables are easy to distinguish and convenient to search.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A prefabricated cable for preventing open circuit of a current transformer and preventing short circuit of a voltage transformer is characterized by comprising an open circuit prevention aviation socket and an open circuit prevention aviation plug, wherein the open circuit prevention aviation socket comprises a male contact pin, an insulating sleeve is sleeved on the outer side of the male contact pin, a conductive slider is sleeved on the outer side of the insulating sleeve, the open circuit prevention aviation plug comprises a female contact pin, a female contact pin press hole is formed in one end of the female contact pin, the male contact pin can be inserted into the female contact pin and electrically connected with the female contact pin, the male contact pin and the female contact pin are respectively provided with a plurality of pins and are in one-to-one correspondence, the structures of any male contact pin and any one female contact pin are identical, and the male contact pins can be selectively and electrically connected with each other; the female contact pin comprises a female contact pin main body and a female contact pin fixing part, and a female contact pin press connection hole is formed in the female contact pin fixing part;
the center of the conductive sliding block is provided with a shaft hole, the conductive sliding block is provided with a conductive area, six contact pin fixing holes are arranged on the conductive area, and the six contact pin fixing holes are positioned in the same conductive area;
the center of the conductive sliding block is provided with a shaft hole, the conductive sliding block is provided with a conductive region, two adjacent contact pin fixing holes in the six contact pin fixing holes are positioned in the same conductive region, and a contact pin fixing hole in a non-conductive region is arranged in the middle of each contact pin fixing hole at an interval;
the center of the conductive sliding block is provided with a shaft hole, the conductive sliding block is provided with a conductive region, and three contact pin fixing holes in the same conductive region and one contact pin fixing hole in a non-conductive region are arranged at intervals;
the center of the conductive sliding block is provided with a shaft hole, the conductive sliding block is provided with a conductive area, two adjacent contact pin fixing holes are located in the non-conductive area contact pin fixing holes, and the middle of the six contact pin fixing holes is provided with a contact pin fixing hole located in the non-conductive area at an interval.
2. The prefabricated cable for preventing the open circuit of the current transformer and the short circuit of the voltage transformer as claimed in claim 1, wherein the male pin comprises a male pin body, a pedestal, a male pin fixing portion and a male pin cable crimping hole, the male pin body and the male pin fixing portion are respectively connected to two sides of the pedestal, the male pin cable crimping hole is formed in the male pin fixing portion, and the male pin body, the pedestal and the male pin fixing portion are integrally conductive.
3. The prefabricated cable for preventing the open circuit of the current transformer and the short circuit of the voltage transformer as claimed in claim 2, wherein the number of the male pins is six, and the male pins are fixed on the male pin fixing clips.
4. The prefabricated cable for preventing the open circuit of the current transformer and the short circuit of the voltage transformer as claimed in claim 3, wherein the conductive slider is sleeved outside the male pin through a pin hole formed in the conductive slider, the conductive slider can slide along the male pin, a spring is fixedly arranged at one end of the conductive slider, and the other end of the spring is fixed on a male pin fixing clip.
5. The prefabricated cable with current transformer open-circuit prevention and voltage transformer short-circuit prevention as claimed in claim 3, wherein the conductive slider is retained by the pedestal and is in electrical contact with the pedestal.
6. The prefabricated cable for preventing the open circuit of the current transformer and the short circuit of the voltage transformer as claimed in claim 1, wherein the female pin comprises a female pin body and a female pin fixing part, and the female pin fixing part is provided with a female pin press-connection hole.
7. The prefabricated cable for preventing open circuit of the current transformer and short circuit of the voltage transformer as claimed in claim 1, wherein six female pins are provided and the female pins are fixed on the female pin fixing clip.
8. The prefabricated cable for preventing the open circuit of the current transformer and the short circuit of the voltage transformer as claimed in claim 7, further comprising a supporting frame, wherein the supporting frame is fixed on the female pin fixing clip, and the supporting frame protrudes out of the female pin.
9. The prefabricated cable for preventing the open circuit of the current transformer and the short circuit of the voltage transformer as claimed in claim 4, wherein the number of the pin fixing holes on the conductive slider is six.
10. The prefabricated cable for preventing open circuit of the current transformer and short circuit of the voltage transformer as claimed in claim 9, wherein the six pin fixing holes are in the same conductive area;
or two adjacent contact pin fixing holes in the six contact pin fixing holes are positioned in the same conductive region, and the middle of the six contact pin fixing holes is provided with a contact pin fixing hole positioned in a non-conductive region at an interval;
or two adjacent pin fixing holes in the six pin fixing holes are positioned in the non-conductive area, and the middle of the six pin fixing holes is spaced by one pin fixing hole positioned in the non-conductive area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811122669.2A CN109560428B (en) | 2018-09-26 | 2018-09-26 | Prefabricated cable for preventing open circuit of current transformer and preventing short circuit of voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811122669.2A CN109560428B (en) | 2018-09-26 | 2018-09-26 | Prefabricated cable for preventing open circuit of current transformer and preventing short circuit of voltage transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109560428A CN109560428A (en) | 2019-04-02 |
| CN109560428B true CN109560428B (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811122669.2A Active CN109560428B (en) | 2018-09-26 | 2018-09-26 | Prefabricated cable for preventing open circuit of current transformer and preventing short circuit of voltage transformer |
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| Country | Link |
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| CN (1) | CN109560428B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205985599U (en) * | 2016-07-20 | 2017-02-22 | 上海华仪配电自动化有限公司 | Prevent cable of opening a way |
| CN207675921U (en) * | 2017-11-23 | 2018-07-31 | 上海珖铭光电科技有限公司 | A kind of self-sealing pre-fabricated electric cables with current transformer test function |
| CN208889899U (en) * | 2017-11-23 | 2019-05-21 | 国网新疆电力有限公司建设分公司 | A kind of anti-open ended system of secondary loop of mutual inductor and pre-fabricated electric cables |
| CN207459290U (en) * | 2017-12-05 | 2018-06-05 | 乐清市临坤电器科技有限公司 | A kind of anti-open circuit aviation socket |
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2018
- 2018-09-26 CN CN201811122669.2A patent/CN109560428B/en active Active
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| CN109560428A (en) | 2019-04-02 |
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