CN112927980A - Breaker switch - Google Patents
Breaker switch Download PDFInfo
- Publication number
- CN112927980A CN112927980A CN202110117838.9A CN202110117838A CN112927980A CN 112927980 A CN112927980 A CN 112927980A CN 202110117838 A CN202110117838 A CN 202110117838A CN 112927980 A CN112927980 A CN 112927980A
- Authority
- CN
- China
- Prior art keywords
- groove
- static contact
- circuit breaker
- positioning
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000005192 partition Methods 0.000 claims abstract description 49
- 230000003068 static effect Effects 0.000 claims abstract description 44
- 239000004033 plastic Substances 0.000 claims abstract description 9
- 229920003023 plastic Polymers 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims description 14
- 125000003003 spiro group Chemical group 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
Landscapes
- Distribution Board (AREA)
Abstract
The invention relates to a breaker switch, which comprises a disconnecting switch and a breaker body; the circuit breaker body comprises a pair of side plates and a circuit breaker front partition plate, and the circuit breaker front partition plate and the two side plates are fastened and connected through connecting bolts; the isolating switch comprises a front baffle plate, a rear baffle plate, a lower beam and a grounding static contact seat mounting plate; the lower cross beam is made of insulating plastics; the front partition plate, the lower cross beam, the grounding static contact mounting plate and the two side plates are all in fastening connection by adopting connecting bolts; and the rear partition plate, the lower cross beam, the grounding static contact seat mounting plate and the two side plates are all fastened and connected by adopting connecting bolts. The overall disassembly and assembly efficiency is improved, the lower cross beam is made of insulating plastic, the overall weight is reduced, and the insulating property of the overall switch is improved.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a circuit breaker switch.
Background
The circuit breaker switch comprises a disconnecting switch and a circuit breaker body, the circuit breaker body comprises a circuit breaker front partition plate and two side plates, the lower ends of the two side plates are connected with the disconnecting switch, and the circuit breaker front partition plate is connected to the front sides of the two side plates.
In the prior circuit breaker body, when the front baffle of the circuit breaker is connected with the two side plates, the isolation switch cabinet frame is welded.
Another connection mode is as shown in fig. 7, two side plates of the circuit breaker body are located at two sides of the front partition plate and the rear partition plate, the circuit breaker body at the upper end and the disconnecting switch are easy to slide relatively due to the connection structure, and stability is not high.
Secondly, isolator includes preceding baffle, back baffle, lower carriage and ground connection stationary contact mounting panel, and lower carriage and ground connection stationary contact mounting panel also adopt the fixed setting of welded mode to be between preceding baffle and back baffle, and the circuit breaker body is fixed to be set up in the upper end of preceding baffle and back baffle, and the lower mounting bottom end rail of installing of lower carriage.
Therefore, the front partition plate and the rear partition plate of the traditional circuit breaker switch can be connected with other parts only in a welding mode, and the traditional circuit breaker switch has poor strength, easy deformation and poor insulation.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the breaker switch is provided, and the problems that the existing breaker switch is inconvenient to disassemble and assemble, low in assembling efficiency and unstable in assembling structure are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
provided is a circuit breaker switch, comprising a disconnecting switch and a circuit breaker body;
the circuit breaker body comprises a pair of side plates and a circuit breaker front partition plate, and the circuit breaker front partition plate and the two side plates are fastened and connected through connecting bolts;
the isolating switch comprises a front baffle plate, a rear baffle plate, a lower beam and a grounding static contact seat mounting plate;
the lower cross beam is made of insulating plastics;
the front partition plate, the lower cross beam, the grounding static contact mounting plate and the two side plates are all in fastening connection by adopting connecting bolts;
and the rear partition plate, the lower cross beam, the grounding static contact seat mounting plate and the two side plates are all fastened and connected by adopting connecting bolts.
Further, set up bolt perforation and locating hole on the baffle before the circuit breaker, set up spread groove and location boss on the curb plate, the spread groove includes flat pad draw-in groove and nut draw-in groove, set up flat pad in the flat pad draw-in groove, the nut draw-in groove sets up the joint nut, location boss and locating hole cooperation, connecting bolt pass behind bolt perforation, the flat pad with joint nut looks spiro union to make baffle and curb plate form the fastening connection before the circuit breaker.
Further, bolt perforation and locating hole are all seted up to preceding baffle and back baffle, set up spread groove and location boss on the curb plate, the spread groove includes flat pad draw-in groove and nut draw-in groove, set up flat pad in the flat pad draw-in groove, the nut draw-in groove sets up the joint nut, location boss and locating hole cooperation, connecting bolt pass bolt perforation, flat pad back and joint nut looks spiro union to make preceding baffle and back baffle all form the fastening connection with the curb plate.
Further, bolt perforation and locating hole are all seted up to preceding baffle and back baffle, spread groove and location boss are all seted up at the bottom end rail both ends, the spread groove includes flat pad draw-in groove and nut draw-in groove, set up flat pad in the flat pad draw-in groove, the nut draw-in groove sets up the joint nut, location boss and locating hole cooperation, connecting bolt pass bolt perforation, flat pad back and joint nut looks spiro union to make preceding baffle and back baffle all form the fastening connection with the bottom end rail.
Further, bolt through holes and positioning holes are formed in the front partition plate and the rear partition plate, bolt through holes are also formed in the two ends of the grounding static contact mounting plate, positioning bosses are arranged at the two ends of the grounding static contact mounting plate, the positioning bosses are matched with the positioning holes, and the connecting bolts penetrate through the two bolt through holes and then are connected with the locking nuts, so that the front partition plate and the rear partition plate are fixedly connected with the grounding static contact mounting plate.
Furthermore, the lower cross beam is made of insulating plastic, and the insulating plastic is made of PC or nylon.
Furthermore, the insulating material adopted by the lower cross beam is an insulating composite material, and the insulating composite material adopts an SMC insulating composite material or a DMC insulating composite material.
Furthermore, three fixed contacts are arranged on the lower cross beam and are fastened on the lower cross beam through connecting bolts. The lower cross beam is provided with a positioning hole, the static contact is provided with a positioning protrusion, and the positioning protrusion is matched with the positioning hole so that the static contact and the lower cross beam are in positioning fit.
Furthermore, three grounding contacts are arranged on the grounding static contact seat mounting plate, and the grounding static contact seat mounting plate is fastened on the grounding static contact seat mounting plate by adopting a connecting bolt; the grounding static contact seat mounting plate is provided with a positioning hole, the grounding contact is provided with a positioning protrusion, and the positioning protrusion is matched with the positioning hole so that the grounding contact and the grounding static contact seat mounting plate are in positioning fit.
The invention has the beneficial effects that:
the invention provides a breaker switch, which is convenient to assemble and improve the overall disassembly and assembly efficiency due to the fact that all parts are positioned in an assembling mode, and the lower cross beam is made of SMC insulating composite materials, so that the overall weight is reduced, the reliability is improved, high temperature resistance is achieved, and the insulating property of the overall switch is improved.
Adopt an interior hexagonal spanner can assemble baffle and curb plate before the circuit breaker, assemble between baffle, back baffle and the crossbeam before with, assemble between baffle, back baffle and the circuit breaker curb plate before.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 and 2 are schematic diagrams of the circuit breaker switch of the present invention;
FIG. 3 is a schematic view of a circuit breaker front bulkhead;
FIG. 4 is an enlarged view at A in FIG. 2;
FIG. 5 is a schematic diagram of a disconnector;
FIG. 6 is a schematic view of the lower cross member;
figure 7 is a schematic diagram of a prior art circuit breaker switch;
2, a front clapboard of the circuit breaker, 21, bolt through holes, 22, positioning holes, 23, first mounting holes, 24, first reinforcing ribs, 25, fabrication holes, 26 and second mounting holes;
3A, a rear partition board, 3B, a front partition board, 31 and second reinforcing ribs;
4. a lower beam 41, a static contact; 42. creepage ribs 43, a positioning boss 44 and a connecting groove;
5. a grounding static contact seat mounting plate 51 and a grounding contact;
61. a connecting bolt 62, a clamping nut 63 and a flat gasket;
7. side plates.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 6, a circuit breaker switch includes a disconnector and a breaker body;
the circuit breaker body comprises a pair of side plates 7 and a circuit breaker front partition plate 2, and the circuit breaker front partition plate 2 and the two side plates 7 are in fastening connection by adopting connecting bolts 61;
the isolating switch comprises a rear clapboard 3A, a front clapboard 3B, a lower beam 4 and a grounding static contact seat mounting plate 5;
the lower cross beam 4 is made of an insulating material;
the rear partition plate 3A, the lower cross beam 4, the grounding static contact mounting plate 5 and the two side plates 7 are in fastening connection by adopting connecting bolts;
and the front partition plate 3B, the lower cross beam 4, the grounding static contact seat mounting plate 5 and the two side plates 7 are all fastened and connected by adopting connecting bolts.
Specifically, in this embodiment, as shown in fig. 4, the front partition board 2 of the circuit breaker is provided with a bolt through hole 21, a positioning hole 22, a first mounting hole 23, a first reinforcing rib, a process hole 25 and a second mounting hole 26; offer spread groove and location boss on the curb plate 7, the spread groove includes flat pad draw-in groove and nut draw-in groove, set up flat pad 63 in the flat pad draw-in groove, the nut draw-in groove sets up joint nut 62, location boss and locating hole 22 cooperation, connecting bolt 61 pass behind bolt perforation 21, the flat pad 63 with joint nut 62 looks spiro union to make baffle 2 before the circuit breaker form the fastening connection with curb plate 7.
The first mounting hole 23 is used for passing through a bolt to be connected and mounted with the customer air box. The second mounting hole 26 is used for mounting a dynamic seal.
Specifically, in this embodiment, bolt perforation and locating hole are all seted up to back baffle 3A and preceding baffle 3B, set up spread groove and location boss on the curb plate 7, the spread groove includes flat pad draw-in groove and nut draw-in groove, set up flat pad in the flat pad draw-in groove, the nut draw-in groove sets up the joint nut, location boss and locating hole cooperation, connecting bolt pass bolt perforation, flat pad back and joint nut looks spiro union to make back baffle 3A and preceding baffle 3B all form the fastening connection with curb plate 7.
The connecting structure between the front and the rear partition boards and the side board 7 is the same as the connecting structure between the front partition board 2 and the side board 7 of the circuit breaker.
Specifically, in this embodiment, bolt perforation and locating hole are all seted up to back baffle 3A and preceding baffle 3B, spread groove 44 and location boss 43 are all seted up at 4 both ends of bottom end rail, spread groove 44 includes flat pad draw-in groove and nut draw-in groove, set up flat pad in the flat pad draw-in groove, the nut draw-in groove sets up the joint nut, sets up the nut draw-in groove in, the joint nut of embedding in the nut draw-in groove, location boss 43 and locating hole cooperation, connecting bolt pass bolt perforation, flat pad back and joint nut looks spiro union to make back baffle 3A and preceding baffle 3B all form the fastening connection with bottom end rail 4.
The connection structure of the rear partition plate 3A and the front partition plate 3B and the lower beam 4 is the same as the connection structure of the front partition plate 2 and the side plate 7 of the circuit breaker.
Specifically, in this embodiment, the rear partition plate 3A and the front partition plate 3B are both provided with bolt through holes and positioning holes, the two ends of the grounding static contact mounting plate 5 are also provided with bolt through holes and positioning bosses, the positioning bosses are matched with the positioning holes, and the connecting bolts pass through the two bolt through holes and then are connected with the locking nuts, so that the rear partition plate 3A and the front partition plate 3B are both fastened and connected with the grounding static contact mounting plate 5. The connection structure between the grounding static contact seat mounting plate 5 and the front and rear partition plates is the same as that described above.
The connecting bolt in this embodiment is a hexagon socket head cap screw.
Specifically, as an optional implementation manner of this embodiment, the insulating material adopted by the lower beam is insulating plastic, and the insulating plastic adopts PC or nylon.
As another embodiment mode of this embodiment, the insulating material used by the lower beam is an insulating composite material, and the insulating composite material is an SMC insulating composite material or a DMC insulating composite material.
In this embodiment, the lower beam 4 is preferably made of SMC insulating composite material. Make bottom end rail 4 need not to install with the help of the support, make whole circuit breaker switch lightweight, have insulating, high temperature resistance advantage.
Specifically, in this embodiment, three fixed contacts 41 and creepage ribs 42 are arranged on the lower cross beam 4, and the fixed contacts 41 are fastened to the lower cross beam 4 by connecting bolts; and the lower cross beam 4 is provided with a positioning hole, the static contact 41 is provided with a positioning protrusion, and the positioning protrusion is matched with the positioning hole, so that the static contact 41 is conveniently installed on the lower cross beam 4.
Specifically, in this embodiment, three ground contacts 51 are disposed on the ground static contact mounting plate 5, and the ground static contact mounting plate 5 is fastened to the ground static contact mounting plate 5 by using connecting bolts. And the grounding static contact mounting plate 5 is provided with a positioning hole, the grounding contact 51 is provided with a positioning projection, and the positioning projection is matched with the positioning hole, so that the grounding contact 51 is mounted on the grounding static contact mounting plate 5.
Specifically, in this embodiment, the second reinforcing ribs 31 are provided on both the rear partition 3A and the front partition 3B, and the second reinforcing ribs 31 are formed by punching.
According to the circuit breaker switch, in the isolating switch part, the connection relation among the rear partition plate 3A, the front partition plate 3B, the lower beam 4, the grounding static contact seat mounting plate 5 and the circuit breaker body is changed, namely, the circuit breaker switch is fastened and connected through bolts, so that the convenience in disassembly and assembly is realized. Similarly, the front clapboard 2 and the side plate 7 of the circuit breaker in the circuit breaker body are also connected by fastening bolts, so that the convenience in disassembly and assembly is realized.
The support is omitted from the isolating switch, the lower beam 4 is directly installed between the rear partition plate 3A and the front partition plate 3B in a bolt fastening mode, the weight of the whole isolating switch is reduced, and the light weight and insulation of the breaker switch are realized.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A breaker switch is characterized by comprising an isolating switch and a breaker body;
the circuit breaker body comprises a pair of side plates and a circuit breaker front partition plate, and the circuit breaker front partition plate and the two side plates are fastened and connected through connecting bolts;
the isolating switch comprises a front baffle plate, a rear baffle plate, a lower beam and a grounding static contact seat mounting plate;
the lower cross beam is made of an insulating material;
the front partition plate, the lower cross beam, the grounding static contact mounting plate and the two side plates are all in fastening connection by adopting connecting bolts;
the rear partition plate, the lower cross beam, the grounding static contact mounting plate and the two side plates are all in fastening connection by adopting connecting bolts;
the front baffle plate of the circuit breaker is provided with a bolt through hole and a positioning hole, the side plate is provided with a connecting groove and a positioning boss, the connecting groove comprises a flat gasket clamping groove and a nut clamping groove, a flat gasket is arranged in the flat gasket clamping groove, the nut clamping groove is provided with a clamping nut, the positioning boss is matched with the positioning hole, and a connecting bolt penetrates through the bolt through hole and the flat gasket and then is in threaded connection with the clamping nut, so that the front baffle plate of the circuit breaker is in fastening connection with the side plate;
bolt perforation and locating hole are all seted up to preceding baffle and back baffle, set up spread groove and location boss on the curb plate, the spread groove includes flat pad draw-in groove and nut draw-in groove, set up flat pad in the flat pad draw-in groove, the nut draw-in groove sets up the joint nut, location boss and locating hole cooperation, connecting bolt pass bolt perforation, flat pad back and joint nut looks spiro union to make preceding baffle and back baffle all form the fastening connection with the curb plate.
2. The circuit breaker switch of claim 1,
bolt perforation and locating hole are all seted up to preceding baffle and back baffle, spread groove and location boss are all seted up at the bottom end rail both ends, the spread groove includes flat pad draw-in groove and nut draw-in groove, set up flat pad in the flat pad draw-in groove, the nut draw-in groove sets up the joint nut, location boss and locating hole cooperation, connecting bolt pass bolt perforation, flat pad back and joint nut looks spiro union to make preceding baffle and back baffle all form the fastening connection with the bottom end rail.
3. The circuit breaker switch of claim 1,
bolt through holes and positioning holes are formed in the front partition plate and the rear partition plate, bolt through holes are also formed in the two ends of the grounding static contact mounting plate, positioning bosses are arranged on the two ends of the grounding static contact mounting plate, the positioning bosses are matched with the positioning holes, and the connecting bolts penetrate through the two bolt through holes and then are connected with locking nuts, so that the front partition plate and the rear partition plate are fastened and connected with the grounding static contact mounting plate.
4. The circuit breaker switch of claim 1,
the lower cross beam is made of insulating plastic, and the insulating plastic is made of PC or nylon.
5. The circuit breaker switch of claim 1,
the lower cross beam is made of an insulating composite material, and the insulating composite material is made of an SMC insulating composite material or a DMC insulating composite material.
6. The disconnector switch of claim 1, 4 or 5,
the lower cross beam is provided with three fixed contacts which are fastened on the lower cross beam by connecting bolts. The lower cross beam is provided with a positioning hole, the static contact is provided with a positioning protrusion, and the positioning protrusion is matched with the positioning hole so that the static contact and the lower cross beam are in positioning fit.
7. The disconnector switch of claim 1, 4 or 5,
the grounding static contact seat mounting plate is provided with three grounding contacts and is fastened to the grounding static contact seat mounting plate by connecting bolts; the grounding static contact seat mounting plate is provided with a positioning hole, the grounding contact is provided with a positioning protrusion, and the positioning protrusion is matched with the positioning hole so that the grounding contact and the grounding static contact seat mounting plate are in positioning fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117838.9A CN112927980A (en) | 2021-01-28 | 2021-01-28 | Breaker switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117838.9A CN112927980A (en) | 2021-01-28 | 2021-01-28 | Breaker switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112927980A true CN112927980A (en) | 2021-06-08 |
Family
ID=76167650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110117838.9A Withdrawn CN112927980A (en) | 2021-01-28 | 2021-01-28 | Breaker switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112927980A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478144U (en) * | 2009-07-17 | 2010-05-19 | 常州森吉制药设备制造有限公司 | Earthing switch electrical operating mechanism |
| CN201478211U (en) * | 2009-01-22 | 2010-05-19 | 宁波明电开关附件有限公司 | Installation and fixing structure for lateral plate and covering plate of circuit breaker operation mechanism |
| CN204289206U (en) * | 2014-12-02 | 2015-04-22 | 川铁电气（天津）集团有限公司 | The lattice installing rack switch fixed Combination device that isolating switch is vertically opened |
| CN111478220A (en) * | 2020-05-27 | 2020-07-31 | 江苏洛云电力科技有限公司 | Environment-friendly gas insulated switch and using method thereof |
| CN211376455U (en) * | 2020-03-07 | 2020-08-28 | 江苏长虹智能装备股份有限公司 | Switch bracket |
-
2021
- 2021-01-28 CN CN202110117838.9A patent/CN112927980A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478211U (en) * | 2009-01-22 | 2010-05-19 | 宁波明电开关附件有限公司 | Installation and fixing structure for lateral plate and covering plate of circuit breaker operation mechanism |
| CN201478144U (en) * | 2009-07-17 | 2010-05-19 | 常州森吉制药设备制造有限公司 | Earthing switch electrical operating mechanism |
| CN204289206U (en) * | 2014-12-02 | 2015-04-22 | 川铁电气（天津）集团有限公司 | The lattice installing rack switch fixed Combination device that isolating switch is vertically opened |
| CN211376455U (en) * | 2020-03-07 | 2020-08-28 | 江苏长虹智能装备股份有限公司 | Switch bracket |
| CN111478220A (en) * | 2020-05-27 | 2020-07-31 | 江苏洛云电力科技有限公司 | Environment-friendly gas insulated switch and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210608 |