CN110718412A - Strut type circuit breaker with insulating cylinder - Google Patents
Strut type circuit breaker with insulating cylinder Download PDFInfo
- Publication number
- CN110718412A CN110718412A CN201910810090.3A CN201910810090A CN110718412A CN 110718412 A CN110718412 A CN 110718412A CN 201910810090 A CN201910810090 A CN 201910810090A CN 110718412 A CN110718412 A CN 110718412A
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- China
- Prior art keywords
- box body
- insulating cylinder
- closing
- circuit breaker
- shaft
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention is suitable for the technical field of circuit breakers, and provides a pillar type circuit breaker with an insulating cylinder, which comprises a box body, fixedly-sealed polar columns, a spring operating mechanism, a switching-on handle, a junction box and an auxiliary switch, wherein a connecting rod mechanism is arranged in the box body, the top surface of the box body is fixedly connected with three fixedly-sealed polar columns at equal intervals, the spring operating mechanism and the auxiliary switch are arranged in the box body, the spring operating mechanism and the auxiliary switch are connected in the box body through the connecting rod mechanism, one side surface of the box body is connected with the switching-on handle, one end surface of the box body is fixedly connected with the junction box, the insulating cylinder is arranged in the fixedly-sealed polar columns, the insulating cylinder is provided with a vacuum layer, the top of the insulating cylinder is provided with the junction box, a vacuum arc extinguish chamber, a gap, a conductive clamp, a flexible connection structure, the insulating cylinder has the advantages of simple structure, convenience in installation and strong environment tolerance capability.
Description
Technical Field
The invention belongs to the technical field of circuit breakers, and particularly relates to a strut type circuit breaker with an insulating cylinder.
Background
Pole breakers refer to circuit breakers that are installed and operated on electrical poles. The research level of strength and the manufacturing technology of various circuit breakers have been greatly developed, and the vacuum circuit breaker is not limited to the medium voltage power grid, but is developed toward the high voltage and large capacity. The research level of the strength and the manufacturing technology of various circuit breakers have been developed greatly, the vacuum circuit breaker is not only limited to a medium-voltage power grid but also developed towards the direction of high voltage and large capacity, and the sulfur hexafluoride circuit breaker has many advantages such as strong opening capacity, more continuous opening and closing times, frequent operation, low operation noise, no fire hazard and the like, thereby being a good oilless device.
With the rapid development of economy and the continuous increase of power supply amount in China, particularly the increasingly strengthened dependence of various customers on electric power, in order to improve the power supply reliability of a power grid, pole-mounted circuit breakers are often used for connection, segmentation and branch lines in the power grid so as to improve the power supply reliability of the power grid.
However, the existing pole-mounted circuit breaker is not provided with an insulating cylinder, or the insulating cylinder has a crude structure, so that a potential safety hazard exists, and therefore, a new column-type circuit breaker with the insulating cylinder is needed to be provided.
Disclosure of Invention
The embodiment of the invention provides a column type circuit breaker with an insulating cylinder, and aims to solve the problems that an existing column type circuit breaker insulating cylinder is simple and crude in structure and improves environment tolerance.
The embodiment of the invention is realized in such a way that the column type circuit breaker with the insulating cylinder is characterized by comprising a box body, an embedded pole, a spring operating mechanism, a closing handle, a junction box and an auxiliary switch, wherein a link mechanism is arranged in the box body, and the embedded pole is provided with the insulating cylinder;
the box body is of a cuboid structure, the top surface of the box body is fixedly connected with three solid-sealed polar columns at equal intervals, the spring operating mechanism and the auxiliary switch are installed in the box body and are connected through a connecting rod mechanism in the box body, one side surface of the box body is connected with the switching-on handle, and one end surface of the box body is fixedly connected with the junction box;
the insulating cylinder includes connector lug, vacuum interrupter, clearance, electrically conductive clamp, flexible connection structure, setting element, wire outlet, connecting rod and insulator spindle, connects the outside circuit the connector lug is fixed in the insulating cylinder top, vacuum interrupter one end and connector lug fixed connection, vacuum interrupter with there is the clearance between the insulating cylinder outer wall, the electrically conductive clamp of vacuum interrupter other end fixed connection, electrically conductive clamp connection flexible connection structure, flexible connection structure is fixed a position, just is connected by the setting element the wire outlet, flexible connection structure passes through the connecting rod and connects the insulator spindle.
Furthermore, four bases are arranged at right angles on the bottom surface of the box body.
Furthermore, a copper sleeve, a pointer and a split-combination label are fixedly connected to one side face of the box body, the copper sleeve is fixedly connected with the box body, the copper sleeve is rotatably connected with the pointer, the pointer rotates back and forth by an angle of 60 degrees, and the split-combination label of a rectangular structure is fixed to one side face of the box body and is located right above the pointer.
Furthermore, the spring operating mechanism is provided with a crank arm, a breaking half shaft, a closing half shaft, a manual opening and closing shaft, a main shaft, a closing spring, a travel switch and a release, the crank arm is hinged in the box body and comprises a switching-off crank arm and a switching-on crank arm, the switching-off crank arm is buckled with the switching-off semi-axis, the switching-on crank arm is buckled with the switching-on half shaft, the switching-off half shaft and the switching-on half shaft are rotationally connected with the manual switching-on and switching-off shaft, the main shaft is meshed and connected with a manual on-off shaft through a gear, the manual on-off shaft is fixedly connected with the closing handle, the main shaft and the manual on-off shaft rotate in the same direction, the closing spring is hinged in the box body, the travel switch is rotationally connected to the interior of the box body, the tripper comprises an overcurrent tripper, a coil is arranged outside the overcurrent tripper, and the overcurrent tripper is connected with a circuit and a separating brake half shaft.
Furthermore, the connecting lever further comprises an output connecting lever, the output connecting lever is meshed with the main shaft through a cam, the release comprises an opening release and a closing release, the opening release is connected with an opening half shaft, and the closing release is connected with a closing half shaft.
Furthermore, the closing handle is of a long plate-shaped structure with a circular ring at one end, and a separating brake label of a cuboid structure is fixed on the closing handle.
Furthermore, the insulating cylinder is of a cylindrical structure, a plurality of convex rings are arranged on the outer layer of the insulating cylinder, and the radius of each convex ring is equal to that of the convex ring from top to bottom.
Furthermore, the interior roof of an insulating cylinder is provided with the screening ring, the screening ring is the aluminium ring that the surface cladding has insulating paper, the insulating cylinder skin has the insulating layer, set up the vacuum layer in the middle of the insulating cylinder, the clearance is the epoxy material.
Compared with the related art, the strut type circuit breaker with the insulating cylinder provided by the invention has the following beneficial effects:
this take pillar type circuit breaker of insulating cylinder, the insulating cylinder is through setting up the connector lug, vacuum interrupter, the clearance, electrically conductive clamp, flexible connection structure, the setting element, the wire outlet, connecting rod and insulator spindle, the outside circuit is connected to the connector lug, through vacuum interrupter, electrically conductive clamp and flexible connection structure, by wire outlet output voltage, moreover, the steam generator is simple in structure, high durability and convenient installation, the clearance between vacuum interrupter and the insulating cylinder, make vacuum interrupter reach the all-round insulation protection of double-deck insulating casing, vacuum circuit breaker's insulating protection intensity has been improved, the circuit breaker sets up the installation insulating cylinder, effectively eliminate the potential safety hazard.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a pillar type circuit breaker with an insulating cylinder according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an insulating cylinder of a pillar type circuit breaker with an insulating cylinder according to an embodiment of the present invention;
fig. 3 is a schematic connection diagram of a flexible connection structure of a pillar type circuit breaker with an insulating cylinder according to an embodiment of the present invention;
fig. 4 is a schematic transmission diagram of a spring operating mechanism of a fast opening and closing pillar type circuit breaker according to an embodiment of the present invention;
fig. 5 is a front view of a spring operating mechanism of a quick-opening/closing pillar type circuit breaker according to an embodiment of the present invention;
fig. 6 is a rear view of a spring operating mechanism of a quick-opening/closing pillar-type circuit breaker according to an embodiment of the present invention.
In the figure: 1-box body, 2-solid sealed pole, 3-spring operating mechanism, 4-closing handle, 5-junction box, 6-auxiliary switch, 7-link structure, 8-insulating cylinder, 11-copper sleeve, 12-pointer, 13-split label, 31-crank arm, 311-output crank arm, 312-split crank arm, 313-closing crank arm, 32-split half shaft, 33-closing half shaft, 34-manual split shaft, 35-main shaft, 36-closing spring, 37-travel switch, 38-tripper, 381-split tripper, 382-closing tripper, 383-overcurrent tripper, 81-connector lug, 82-vacuum arc extinguish chamber, 83-gap, 84-conductive clamp, 85-flexible connecting structure, 86-locating piece, 87-outlet head, 88-connecting rod and 89-insulating rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the pillar type circuit breaker with an insulating cylinder provided by the invention comprises a box body 1, solid-sealed poles 2, a spring operating mechanism 3, a closing handle 4, a junction box 5 and an auxiliary switch 6, wherein a link mechanism 7 is arranged in the box body 1, the three solid-sealed poles 2 are fixedly connected to the top surface of the box body 1 at equal intervals, the spring operating mechanism 3 and the auxiliary switch 6 are arranged in the box body 1, the spring operating mechanism 3 and the auxiliary switch 6 are connected in the box body 1 through the link mechanism 7, one side surface of the box body 1 is connected with the closing handle 4, and one end surface of the box body 1 is fixedly connected with the junction box 5.
In the specific implementation process, as shown in fig. 1, the box body 1 is of a cuboid structure, four bases are arranged at right angles on the bottom surface of the box body 1, the installation is convenient, three solid-sealed polar columns 2 are fixedly connected to the top surface of the box body 1 at equal intervals, a spring operating mechanism 3 and an auxiliary switch 6 are installed inside the box body 1, the spring operating mechanism 3 and the auxiliary switch 6 are connected inside the box body 1 through a link mechanism 7, a closing handle 4 is connected to one side surface of the box body 1, the closing handle 4 is of a long plate-shaped structure with a circular ring at one end, a separating brake sign of a cuboid-shaped structure is fixed on the closing handle 4, a terminal box 5 is fixedly connected to one end surface of the box body 1, an external circuit is connected to one side surface of the box body 1, a copper sleeve 11, a pointer 12 and a separating and closing sign 13 are fixedly connected to the copper sleeve 11 and the box body 1, the, And is located pointer 12 directly over, and pointer 12 accurate demonstration circuit breaker switching-off combined floodgate state.
As shown in fig. 2, the insulating cylinder 8 is a cylindrical structure, a plurality of convex rings are arranged on the outer layer of the insulating cylinder 8, the radius of the convex rings is from top to bottom, the insulating cylinder 8 comprises a connector lug 81, a vacuum interrupter 82, a gap 83, a conductive clip 84, a flexible connection structure 85, a positioning piece 86, a wire outlet 87, a connecting rod 88 and an insulating rod 89, the connector lug 81 connected with an external circuit is fixed on the top end of the insulating cylinder 8, a shielding ring is arranged on the inner top wall of the insulating cylinder 8, the shielding ring is an aluminum ring coated with insulating paper on the surface, an insulating layer is arranged on the outer layer of the insulating cylinder 8, a nano heat dissipation coating (any one of nano aluminum, iron and copper) is contained in the insulating layer, a vacuum layer is arranged in the middle of the insulating cylinder 8, the environmental resistance is strong, one end of the vacuum interrupter 82 is fixedly connected with the connector lug 81, the gap 83 exists between the vacuum interrupter 82 and, Aging resistance and heat resistance, so that the vacuum arc-extinguishing chamber 82 achieves omnibearing insulation protection of a double-layer insulation shell, the insulation protection strength of the vacuum circuit breaker is improved, the other end of the vacuum arc-extinguishing chamber 82 is fixedly connected with the conductive clamp 84, the conductive clamp 84 is connected with the soft connection structure 85, and the soft connection structure 85 is positioned by the positioning piece 86 and is connected with the wire outlet 87.
As shown in fig. 3, the flexible connecting structure 85 is an annular connecting structure, the flexible connecting structure 85 is connected with the connecting rod 88 through a bolt and nut combination, and the flexible connecting structure 85 is connected with the insulating rod 89 through the connecting rod 88.
As shown in fig. 4-6, the spring-operated mechanism 3 is disposed inside the box body 1, the spring-operated mechanism 3 is provided with a crank arm 31, a breaking half shaft 32, a closing half shaft 33, a manual opening/closing shaft 34, a main shaft 35, a closing spring 36, a travel switch 37 and a release 38, the crank arm 31 is hinged inside the box body 1, the crank arm 31 comprises an output crank arm 311, a breaking crank arm 312 and a closing crank arm 313, the output crank arm 311 is engaged with the main shaft 35 through a cam, the breaking crank arm 312 is fastened with the breaking half shaft 32, the closing crank arm 313 is fastened with the closing half shaft 33, the breaking half shaft 32 and the closing half shaft 33 are rotatably connected with the manual opening/closing shaft 34, the main shaft 35 is connected with the manual opening/closing shaft 34 through a gear engagement, the manual opening/closing shaft 34 is fixedly connected with the closing handle 4, the main shaft 35 is in the same rotation direction as the manual opening/closing shaft 34, the closing spring 36 is, the tripper 38 comprises a switching-off tripper 381, a switching-on tripper 382 and an overcurrent tripper 383, wherein the switching-off tripper 381 is connected with a switching-off half shaft 32, the switching-on tripper 382 is connected with a switching-on half shaft 33, a coil is arranged outside the overcurrent tripper 383, a circuit is connected with the switching-off half shaft 32, when a switching-on handle 4 is manually rotated anticlockwise or a motor rotates, a main shaft 35 rotates through gear engagement, a switching-on spring 36 extends, the main shaft 35 is buckled with a switching-on crank arm 313 and the switching-on half shaft 33, a travel switch 37 is switched, the motor is powered off to complete the switching-on of the circuit breaker, similarly, the switching-off of the circuit breaker is realized, a rapid switching-on permanent magnet operating mechanism is adopted, the circuit breaker has the characteristic of rapid action and has the functions of rapid switching-on and rapid fault protection, when the current value passed by the coil of the overcurrent tripper 383 reaches 5A, and the breaker is opened to realize rapid fault protection.
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 (8)
1. The strut type circuit breaker with the insulating cylinder is characterized by comprising a box body (1), a solid-sealed polar pole (2), a spring operating mechanism (3), a closing handle (4), a junction box (5) and an auxiliary switch (6), wherein a link mechanism (7) is arranged inside the box body (1), and the solid-sealed polar pole (2) is provided with the insulating cylinder (8);
the box body (1) is of a cuboid structure, the top surface of the box body (1) is fixedly connected with three solid-sealed polar columns (2) at equal intervals, the spring operating mechanism (3) and the auxiliary switch (6) are installed inside the box body (1), the spring operating mechanism (3) and the auxiliary switch (6) are connected inside the box body (1) through a connecting rod mechanism (7), one side surface of the box body (1) is connected with the closing handle (4), and one end surface of the box body (1) is fixedly connected with the junction box (5);
the insulating cylinder (8) comprises a connector lug (81), a vacuum arc-extinguishing chamber (82), a gap (83), a conductive clamp (84), a flexible connecting structure (85), a positioning piece (86), a wire outlet head (87), a connecting rod (88) and an insulating rod (89), the connector lug (81) connected with an external circuit is fixed at the top end of the insulating cylinder (8), one end of the vacuum arc-extinguishing chamber (82) is fixedly connected with the connector lug (81), a gap (83) is formed between the vacuum arc-extinguishing chamber (82) and the outer wall of the insulating cylinder (8), the other end of the vacuum arc-extinguishing chamber (82) is fixedly connected with a conductive clamp (84), the conductive clamp (84) is connected with a soft connecting structure (85), the soft connecting structure (85) is positioned by a positioning piece (86) and is connected with the wire outlet head (87), the flexible connection structure (85) is connected with the insulating rod (89) through a connecting rod (88).
2. The column type circuit breaker with insulation tube as claimed in claim 1, wherein four seats are provided at right angles to the bottom surface of the case (1).
3. The column type circuit breaker with the insulating cylinder according to claim 1, wherein a copper sleeve (11), a pointer (12) and a split-combination label (13) are fixedly connected to one side surface of the box body (1), the copper sleeve (11) is fixedly connected with the box body (1), the copper sleeve (11) is rotatably connected with the pointer (12), the pointer (12) rotates back and forth at an angle of 60 degrees, and the split-combination label (13) with a rectangular structure is fixed to one side surface of the box body (1) and is located right above the pointer (12).
4. The column type circuit breaker with the insulating cylinder as claimed in claim 1, wherein the spring operating mechanism (3) is provided with a lever arm (31), a breaking half shaft (32), a closing half shaft (33), a manual closing and breaking shaft (34), a main shaft (35), a closing spring (36), a travel switch (37) and a release (38), the lever arm (31) is hinged inside the box body (1), the lever arm (31) comprises a breaking lever arm (312) and a closing lever arm (313), the breaking lever arm (312) is fastened with the breaking half shaft (32), the closing lever arm (313) is fastened with the closing half shaft (33), the breaking lever arm (32) and the closing half shaft (33) are rotatably connected with the manual closing and breaking shaft (34), the main shaft (35) is meshed with the manual closing and breaking shaft (34) through a gear, and the manual closing shaft (34) is fixedly connected with the closing handle (4), the main shaft (35) is consistent with the rotation direction of the manual switching-on/off shaft (34), the switching-on spring (36) is hinged inside the box body (1), the travel switch (37) is rotatably connected inside the box body (1), the tripper (38) comprises an overcurrent tripper (383), a coil is arranged outside the overcurrent tripper (383), and the overcurrent tripper is connected with a circuit and a switching-off half shaft (32).
5. The column type circuit breaker with the insulating cylinder as claimed in claim 4, wherein the crank arm (31) further comprises an output crank arm (311), the output crank arm (311) is engaged with the main shaft (35) through a cam, the release (38) comprises a tripping release (381) and a closing release (382), the tripping release (381) is connected with a tripping half shaft (32), and the closing release (382) is connected with a closing half shaft (33).
6. The column type circuit breaker with an insulating cylinder according to claim 1, wherein the closing handle (4) is a long plate structure with a circular ring at one end, and the opening plate with a cuboid structure is fixed on the closing handle (4).
7. The column type circuit breaker with the insulating cylinder according to claim 1, wherein the insulating cylinder (8) is a cylindrical structure, and a plurality of convex rings are arranged on the outer layer of the insulating cylinder (8), and the radius of the convex rings is equal from top to bottom.
8. The column type circuit breaker with the insulating cylinder according to claim 1, wherein the inner top wall of the insulating cylinder (8) is provided with a shielding ring, the shielding ring is an aluminum ring coated with insulating paper on the surface, the outer layer of the insulating cylinder (8) is provided with an insulating layer, a vacuum layer is arranged in the middle of the insulating cylinder (8), and the gap (83) is made of epoxy resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810090.3A CN110718412A (en) | 2019-08-29 | 2019-08-29 | Strut type circuit breaker with insulating cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810090.3A CN110718412A (en) | 2019-08-29 | 2019-08-29 | Strut type circuit breaker with insulating cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110718412A true CN110718412A (en) | 2020-01-21 |
Family
ID=69209550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910810090.3A Pending CN110718412A (en) | 2019-08-29 | 2019-08-29 | Strut type circuit breaker with insulating cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110718412A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08222095A (en) * | 1995-02-17 | 1996-08-30 | Fuji Electric Co Ltd | Gas-blast load-break switch |
| US20020036184A1 (en) * | 2000-09-27 | 2002-03-28 | Sohn Jong Mahn | Circuit breaker having hybrid arc extinguishing function |
| CN201893278U (en) * | 2010-12-24 | 2011-07-06 | 郑州赛金电气有限公司 | Circuit switch device in cable branch box and ring network cabinet |
| CN203573896U (en) * | 2013-07-30 | 2014-04-30 | 登高电气有限公司 | Outdoor high-voltage permanent magnet vacuum circuit breaker |
| CN207719094U (en) * | 2018-04-04 | 2018-08-10 | 广西配网电力技术有限公司 | A kind of vacuum circuit breaker |
-
2019
- 2019-08-29 CN CN201910810090.3A patent/CN110718412A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08222095A (en) * | 1995-02-17 | 1996-08-30 | Fuji Electric Co Ltd | Gas-blast load-break switch |
| US20020036184A1 (en) * | 2000-09-27 | 2002-03-28 | Sohn Jong Mahn | Circuit breaker having hybrid arc extinguishing function |
| CN201893278U (en) * | 2010-12-24 | 2011-07-06 | 郑州赛金电气有限公司 | Circuit switch device in cable branch box and ring network cabinet |
| CN203573896U (en) * | 2013-07-30 | 2014-04-30 | 登高电气有限公司 | Outdoor high-voltage permanent magnet vacuum circuit breaker |
| CN207719094U (en) * | 2018-04-04 | 2018-08-10 | 广西配网电力技术有限公司 | A kind of vacuum circuit breaker |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200121 |
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| RJ01 | Rejection of invention patent application after publication |