CN111952083B - Totally closed mounting structure of outdoor circuit breaker cable - Google Patents
Totally closed mounting structure of outdoor circuit breaker cable Download PDFInfo
- Publication number
- CN111952083B CN111952083B CN202010786754.XA CN202010786754A CN111952083B CN 111952083 B CN111952083 B CN 111952083B CN 202010786754 A CN202010786754 A CN 202010786754A CN 111952083 B CN111952083 B CN 111952083B
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- sealing
- wiring
- barrel
- cable
- circuit breaker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/0264—Protective covers for terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Abstract
The invention discloses a totally-enclosed cable mounting structure of an outdoor circuit breaker, which comprises a wiring end on the circuit breaker, a wiring card on a cable head and a sealing cover; the wiring end is provided with a wiring terminal, the cable head wiring card is provided with a sleeving end corresponding to the wiring terminal, and the sealing cover comprises a first barrel body and a second barrel body which are sleeved on the wiring end and the cable head, and a cylindrical sealing part which is arranged behind the barrel bodies respectively. The cable end is connected with the wiring terminal of the circuit breaker through the wiring card, and then is insulated and isolated from the outside through the sealing cover, the sealing part realizes sealing, the waterproof and moistureproof sealing device has the functions of preventing water and moisture and reducing corrosion and aging for the connecting part, and the technical problems of inconvenient use and poor sealing effect in the prior art are effectively solved.
Description
Technical Field
The invention belongs to the technical field of electrical equipment, and particularly relates to a totally-enclosed cable mounting structure of an outdoor circuit breaker.
Background
And a wiring end is arranged on the outdoor circuit breaker and is connected with a cable connector lug. The circuit breaker mainly comprises two types of wiring terminals, wherein one type of wiring terminal is a wiring terminal, and the other type of wiring terminal is provided with an end row with a hole; the cable connector lug is provided with a connector clip with a connecting hole. During connection, the connecting hole of the cable wiring card is sleeved on the wiring terminal or sleeved with the hole of the wiring terminal row and fixed through the bolt, and after the fixing, the sealing is realized through the sleeve connection of the insulating sheath.
Adopt the wiring card to cup joint the terminal, then the bolt fastening, the connecting hole diameter of wiring card will be greater than the terminal, probably has phenomenons such as electric arc, high temperature after cup jointing, is difficult to discover on the contrary after cup jointing insulating sheath, causes certain potential safety hazard, and it is inconvenient to use.
Application No.: 2012100905298 discloses an improved ceramic binding post, which comprises a ceramic insulator body and a wiring component arranged at the top end of the ceramic insulator body; the outer wall of the upper part of the ceramic insulator body is provided with an annular rolling buckling part protruding along the radial direction; the wiring assembly comprises a sealing ring, a stud and a rolling connection piece; the top end face of the insulator body is an annular plane, and the sealing ring is arranged on the annular plane; the rolling connecting piece is fastened and fixed on the annular rolling fastening part of the insulator body in a rolling mode, and the sealing ring is covered on the annular plane. The mode is easy to loosen, the electric arc phenomenon is easy to occur, and the using effect is not ideal.
Application No.: 2019214102422 discloses a soft insulating sheath for a wire, which comprises a sheath body, the sheath body is a hose, more than three boss ribs are arranged in the hose wall, a heat dissipation gap is formed between two adjacent boss ribs, a hose wall is provided with a hose seam, two connection handles are arranged on two sides of the hose seam along the radial direction, when the two connection handles move relatively to the two end faces of the hose seam, the boss ribs in the inner cavity of the hose enclose a positioning space for positioning the wire, when the two connection handles move back to the two end faces of the hose seam, the boss ribs in the inner cavity of the hose enclose an assembly space for assembling the wire, and a connecting piece for connection is arranged on the two connection handles. This insulating sheath passes through the tube gap and both ends and external intercommunication, and its dampproofing and waterproofing effect is relatively poor.
At present, insulating sheath generally adopts silicon rubber composite insulation, and its insulating nature is better, and insulating sheath is equipped with the opening, cup joints the junction at circuit breaker wiring end and cable head, though simple to operate, but has great clearance between insulating sheath and the equipment, can't prevent steam, and steam gets into inside difficult volatilizing on the contrary, causes the corruption easily.
Disclosure of Invention
The invention aims to solve the technical problems of inconvenient use and poor sealing effect of connection of an outdoor circuit breaker and a cable in the prior art, and provides a totally-enclosed cable mounting structure of the outdoor circuit breaker to solve the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a totally-enclosed installation structure of an outdoor breaker cable comprises a wiring end on a breaker, a wiring card on a cable head and a closed cover; the wiring end is provided with a wiring terminal, the cable head wiring card is provided with a sleeving end corresponding to the wiring terminal, and the sealing cover comprises a first barrel body and a second barrel body which are sleeved on the wiring end and the cable head, and a cylindrical sealing part which is arranged behind the barrel bodies respectively.
Furthermore, the junction of the closing cover, the wiring terminal and the cable connector lug is provided with a corresponding transparent window.
Furthermore, the transparent window is made of toughened glass and an epoxy resin composite layer, and a concave sealing groove is formed in the periphery of the transparent window; the sealing cover is provided with a sealing groove for clamping the periphery of the transparent window, a circle of protruding part is arranged in the middle of the sealing groove of the sealing cover, and the protruding part is clamped in the sealing groove of the transparent window.
Furthermore, the sealing cover is made of rubber, and the sealing part is made of high-elasticity rubber; a circle of support rings are arranged on the inner sides of the end parts of the first cylinder and the second cylinder of the sealing cover; one end of the sealing part is fixedly sleeved on the first cylinder and the second cylinder respectively, and the shape is kept through the support ring; the other end of the sealing part is a free end; and the inner side of the closed cover is provided with a raised reinforcing rib.
Furthermore, the inner side of the closed cover is provided with grid-shaped reinforcing ribs distributed in a rectangular or rhombic shape, and the reinforcing ribs are in semicircular bulges, made of the same material as the closed cover and cast into a whole.
Furthermore, one end of the wiring card is provided with a clamping end connected with a cable head conductor, and the other end of the wiring card is provided with a sleeve joint barrel; the back of the joint of the sleeve joint barrel and the wiring card is provided with a vertical opening, and the back is provided with corresponding opening extension plates; and the opening extension plate is provided with corresponding bolt holes.
Furthermore, an upper included angle between the clamping end of the wiring card and the sleeve joint barrel is 90 degrees, 120 degrees or 135 degrees.
Furthermore, conical bulges which are distributed annularly are arranged on the inner side of the sleeve joint cylinder; the binding post is provided with a conical groove corresponding to the conical protrusion; and a plurality of vertical bulges which are uniformly distributed are also arranged on the binding post.
Further, the free end of the sealing part is provided with a holding part protruding outwards.
The cable end is connected with the wiring terminal of the circuit breaker through the wiring card, and then is insulated and isolated from the outside through the sealing cover, the sealing part realizes sealing, the waterproof and moistureproof sealing device has the functions of preventing water and moisture and reducing corrosion and aging for the connecting part, and the technical problems of inconvenient use and poor sealing effect in the prior art are effectively solved.
Drawings
FIG. 1 is a schematic view of the closure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the present invention;
FIG. 3 is a schematic perspective view of the closure of the present invention;
FIG. 4 is a schematic view of the use of the closure of the present invention;
FIG. 5 is a schematic cross-sectional view of the closure of the present invention;
FIG. 6 is a schematic view of another patch card configuration of the present invention;
FIG. 7 is a schematic view of the terminal structure of the patch card connector of the present invention;
FIG. 8 is a schematic top view of the connection of the connector card of the present invention;
FIG. 9 is a schematic view of an alternative closure configuration of the present invention;
fig. 10 is a schematic diagram of the socket structure of the present invention.
In the figure, the sealing device comprises a sealing cover 1, a sealing cover 2, a transparent window 3, a first barrel 4, a second barrel 5, a sealing part 6, a wiring card 7, a wiring terminal 8, a wiring post 9, a cable head 10, a conductor 11, a clamping end 12, a sleeving end 13, a sealing groove 14, a support ring 15, a reinforcing rib 16, a sleeving barrel 17, a conical bulge 18, an opening extension plate 19, a bolt hole 20, a vertical bulge 21, a conical groove 22, a fixing bolt 23 and a holding part.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is apparent that the embodiments described below are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: according to the figures 1-5, the totally-enclosed installation structure of the outdoor breaker cable comprises an enclosure 1, a wiring terminal 7 on the breaker and a wiring card 6 on a cable head 9; be equipped with terminal 8 on the wiring end, be equipped with the end 12 that cup joints that corresponds with the terminal on the cable head wiring card, the closing cap is including cup jointing first barrel 3 and the second barrel 4 to wiring end and the cable head on to and establish the cylindric sealing 5 at the barrel back respectively.
And a corresponding transparent window 2 is arranged at the joint of the closed cover and the wiring terminal and the cable connector lug.
The transparent window is made of toughened glass and epoxy resin composite layers, and a concave sealing groove 13 is formed in the periphery of the transparent window; the sealing cover is provided with a sealing groove 13 for clamping the periphery of the transparent window, a circle of protruding part is arranged in the middle of the sealing groove of the sealing cover, and the protruding part is clamped in the sealing groove of the transparent window.
The sealing cover is made of rubber, and the sealing part is made of high-elasticity rubber; a circle of support rings 14 are arranged on the inner sides of the end parts of the first cylinder and the second cylinder of the sealing cover; one end of the sealing part is fixedly sleeved on the first cylinder and the second cylinder respectively and keeps the shape through a support ring; the other end of the sealing part is a free end; the inside of the enclosure is provided with raised reinforcing ribs 15.
The inner side of the closed cover is provided with grid-shaped reinforcing ribs distributed in a rectangular or rhombic shape, and the reinforcing ribs are in semicircular bulges, made of the same material as the closed cover and cast into a whole.
When in use, as shown in fig. 4, the sealing cover is inserted on the cable head 9, and the sealing parts are reversely sleeved on the first cylinder 3 and the second cylinder 4 respectively; the conductor of the cable head is fixedly connected with the wiring card; the wiring card is connected with the wiring terminal and is screwed up through a bolt; sleeving a second barrel of the sealing cover on the wiring terminal, wherein the transparent window is opposite to the connecting part of the wiring card and the wiring terminal; taking down the sealing parts reversely sleeved on the first barrel 3 and the second barrel 4, and respectively sleeved on the external insulation and the wiring end of the cable head; checking whether the looseness exists or not, and finishing the installation, as shown in figure 2.
The upper included angle between the clamping end of the wiring card and the sleeve is 90 degrees, 120 degrees or 135 degrees.
The inner side of the sleeve joint barrel is provided with conical bulges 17 which are distributed annularly; the binding post is provided with a conical groove 21 corresponding to the conical bulge; and a plurality of vertical protrusions 20 which are uniformly distributed are also arranged on the binding post.
After the socket sleeve is connected with the binding post, the conical bulge 17 is correspondingly clamped with the conical groove 21, and after the socket sleeve is screwed down through the fixing bolt 22, the socket sleeve is tightly attached to the vertical bulge 20. And due to multipoint connection, the stress is more uniform, so that the generation of electric arcs is reduced.
The free end of the sealing portion is provided with an outwardly projecting gripping portion 23.
The holding part is in a ring shape protruding from the sealing part or in a plurality of protruding strips, and the sealing part is sleeved and adjusted by pinching the holding part.
Example 4, this application enclosure performance test, experimental group are example 2, and the sheath is cup jointed to the control group by the connection mode of prior art, see table 1.
TABLE 1
According to table 1, the present application keeps the interior dry in high humidity air, as well as in an environment simulating rainy weather; the prior art is not waterproof and moistureproof, and the sheath can reduce the air drying speed through natural air drying after being wetted, so that the sheath is in slow corrosion. For acidic solutions, the enclosure of the present application cannot be damaged; the present application is equally applicable to high temperature environments.
Example 5, this application wiring card and terminal junction performance test, the experimental group is example 2, and the control group adopts prior art's connected mode, see table 2.
TABLE 2
According to the table 2, the structural strength of the current transformer is obviously superior to that of the prior art, and the current transformer is not influenced no matter in a high-voltage environment or a large current; in the prior art, electric arcs appear.
The cable end is connected with the wiring terminal of the circuit breaker through the wiring card, and then is insulated and isolated from the outside through the sealing cover, the sealing part realizes sealing, the waterproof and moistureproof sealing device has the functions of preventing water and moisture and reducing corrosion and aging for the connecting part, and the technical problems of inconvenient use and poor sealing effect in the prior art are effectively solved.
Claims (4)
1. A totally-enclosed installation structure of an outdoor breaker cable comprises a wiring end on a breaker, a wiring card on a cable head and an enclosed cover; the sealing cover comprises a first barrel, a second barrel and a cylindrical sealing part, wherein the first barrel and the second barrel are sleeved on the wiring end and the cable head, and the cylindrical sealing part is respectively arranged at the back of the first barrel and the back of the second barrel;
the sealing cover is made of rubber, and the sealing part is made of high-elasticity rubber; a circle of support rings are arranged on the inner sides of the end parts of the first cylinder and the second cylinder of the sealing cover; one end of the sealing part is fixedly sleeved on the first cylinder and the second cylinder respectively, and the shape is kept through the support ring; the other end of the sealing part is a free end; the inner side of the closed cover is provided with a raised reinforcing rib;
one end of the wiring card is provided with a clamping end connected with the cable head conductor, and the other end of the wiring card is provided with a sleeve joint barrel; the back of the joint of the sleeve joint barrel and the wiring card is provided with a vertical opening, and the back is provided with corresponding opening extending plates; the opening extension plate is provided with corresponding bolt holes;
the inner side of the sleeve joint barrel is provided with conical bulges which are distributed annularly; the binding post is provided with a conical groove corresponding to the conical protrusion; the wiring terminal is also provided with a plurality of vertical bulges which are uniformly distributed;
the inner side of the closed cover is provided with grid-shaped reinforcing ribs distributed in a rectangular or rhombic shape, and the reinforcing ribs are in semicircular bulges, are made of the same material as the closed cover and are cast into a whole;
the free end of the sealing part is provided with a holding part which protrudes outwards.
2. The totally enclosed mounting structure of outdoor circuit breaker cable of claim 1, characterized by: and a corresponding transparent window is arranged at the joint of the sealing cover and the wiring terminal as well as the cable connector lug.
3. The totally-enclosed cable mounting structure for an outdoor circuit breaker according to claim 2, wherein: the transparent window is made of toughened glass and epoxy resin composite layers, and a concave sealing groove is formed in the periphery of the transparent window; the sealing cover is provided with a sealing groove for clamping the periphery of the transparent window, a circle of protruding part is arranged in the middle of the sealing groove of the sealing cover, and the protruding part is clamped in the sealing groove of the transparent window.
4. The totally enclosed mounting structure of outdoor circuit breaker cable of claim 1, characterized by: the upper included angle between the clamping end of the wiring card and the sleeve joint barrel is 90 degrees, 120 degrees or 135 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010786754.XA CN111952083B (en) | 2020-08-07 | 2020-08-07 | Totally closed mounting structure of outdoor circuit breaker cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010786754.XA CN111952083B (en) | 2020-08-07 | 2020-08-07 | Totally closed mounting structure of outdoor circuit breaker cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111952083A CN111952083A (en) | 2020-11-17 |
| CN111952083B true CN111952083B (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010786754.XA Active CN111952083B (en) | 2020-08-07 | 2020-08-07 | Totally closed mounting structure of outdoor circuit breaker cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111952083B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6278605B1 (en) * | 1996-05-10 | 2001-08-21 | Circuit Breaker Industries Limited | Modular circuit breaker interconnection system |
| KR20150126513A (en) * | 2014-05-02 | 2015-11-12 | 시앤에스 주식회사 | Case for metering out fit and method for manufacturing the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6358103B1 (en) * | 1999-08-02 | 2002-03-19 | Swenco Products, Inc. | No-crimp electrical connector side-by-side type |
| CN201435295Y (en) * | 2009-05-07 | 2010-03-31 | 刘进生 | Transformer dual-hugging rod thread jointing clamp convenient for installation |
| CN107967987A (en) * | 2017-06-01 | 2018-04-27 | 何排枝 | A kind of T-shaped current transformer at for transformer secondary connection end |
| CN206947587U (en) * | 2017-06-19 | 2018-01-30 | 中国华冶科工集团有限公司 | Detachable roof pressing type binding post |
| CN207691401U (en) * | 2017-12-20 | 2018-08-03 | 国网福建省电力有限公司 | A kind of cable middle connector |
-
2020
- 2020-08-07 CN CN202010786754.XA patent/CN111952083B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6278605B1 (en) * | 1996-05-10 | 2001-08-21 | Circuit Breaker Industries Limited | Modular circuit breaker interconnection system |
| KR20150126513A (en) * | 2014-05-02 | 2015-11-12 | 시앤에스 주식회사 | Case for metering out fit and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111952083A (en) | 2020-11-17 |
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