CN105206469A - Vacuum circuit breaker - Google Patents
Vacuum circuit breaker Download PDFInfo
- Publication number
- CN105206469A CN105206469A CN201510737579.4A CN201510737579A CN105206469A CN 105206469 A CN105206469 A CN 105206469A CN 201510737579 A CN201510737579 A CN 201510737579A CN 105206469 A CN105206469 A CN 105206469A
- Authority
- CN
- China
- Prior art keywords
- isolation
- drive link
- spring base
- supporting insulator
- drive
- 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.)
- Pending
Links
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
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a vacuum circuit breaker which comprises an isolation drive part, an isolation power transmission part, an isolation execution part, a mounting bracket, a vacuum pipe and a supporting insulator, wherein the isolation drive part, vacuum pipe and the supporting insulator are fixedly mounted at the upper part, middle part and lower part of the mounting bracket respectively; a fixed contact is fixedly mounted on each of the vacuum pipe and the supporting insulator; the isolation drive part transmits driving force to the isolation execution part through the isolation power transmission part, and controls the connection/disconnection between the two fixed contacts fixed on the vacuum pipe and the supporting insulator through the isolation execution part. Through the adoption of the technical scheme provided by the invention, the isolation mechanism is simple and reliable in structure, the cost is reduced, the operation is simpler, and the safety of operators is effectively guaranteed.
Description
Technical field
The present invention relates to field of electrical equipment, particularly a kind of vacuum circuit-breaker.
Background technology
Circuit breaker is a kind of switching device in circuit, comparatively conventional in the line.Because of the moment be separated at moving contact of breaker and fixed contact, air between contact is often breakdown, thus generation electric arc, bring danger, vacuum circuit-breaker common at present, its main technical principle is, fixed contact and moving contact are enclosed in a vacuum chamber, then between contact substantially without medium (in fact still having low density gas molecule), therefore free air ion quantity is few, be not enough to the formation supporting electric arc, between contact, the formation of electric arc can only depend on the metal ion that contact evaporates, because the evaporation capacity of metal ion is little, and be rapidly to outdiffusion after evaporation, therefore the Forming ability of electric arc is more weak.
But current vacuum circuit-breaker, complex structure, makes high cost.
Because the defect that above-mentioned existing vacuum circuit-breaker exists, the present inventor based on being engaged in the practical experience and professional knowledge that this type of product design manufacture enriches for many years, and coordinates the utilization of scientific principle, actively in addition research and innovation, to founding a kind of novel vacuum circuit-breaker, it is made to have more practicality.
Summary of the invention
Vacuum circuit-breaker provided by the invention, simple and reliable for structure, reduce costs, operation is more simple, effectively ensure that the safety of operator.
In order to solve the problem, the invention provides a kind of vacuum circuit-breaker, comprise isolation drive portion, isolation power transmissioning part, isolated execution portion, mounting bracket, vacuum tube and supporting insulator;
Isolation drive portion, vacuum tube and supporting insulator are fixedly mounted on the upper, middle and lower portion of mounting bracket respectively;
Vacuum tube and supporting insulator are all installed with fixed contact;
Actuating force is transferred to isolated execution portion by isolation power transmissioning part by isolation drive portion, controls to be separately fixed at the break-make between two fixed contacts on vacuum tube and supporting insulator by isolated execution portion;
Isolation drive portion, isolation power transmissioning part, isolated execution portion, mounting bracket, vacuum tube and supporting insulator, fixed contact are all arranged on SF
6in air chamber.
Further, isolation drive portion comprises hexagonal main shaft, connecting lever, spring base A, spring, spring base B;
Hexagonal main shaft 11 is fixedly connected with connecting lever, and connecting lever is cam structure; Spring base A and connecting lever are slidably connected, and in the process of connecting lever with hexagonal main axis, spring base A can move up and down; Spring base A is connected with spring base B by spring.
Further, isolated execution portion comprises the moving contact of slave spindle, drive link A, drive link B, drive link C and strip;
The two ends of drive link B respectively with one end active link of drive link A, drive link C; The other end of drive link A is fixedly connected with slave spindle; The other end of drive link C is fixedly connected with in the middle part of moving contact; One end of moving contact is flexibly connected with the fixed contact on supporting insulator, and the other end rotates around fixed contact under the drive of drive link C.
Further, isolate power transmissioning part to be fixedly connected with the slave spindle in isolated execution portion with the spring base B in isolation drive portion respectively.
Beneficial effect of the present invention:
1, adopt technical scheme of the present invention, make interrupter simple and reliable for structure;
2, wherein linkage is low counter gear, and kinematic pair is face contact, and pressure is little, shock-resistant;
3, the geometry of linkage element is simple, and be convenient to processing and manufacturing, cost is low;
4, operate more simple simultaneously, effectively ensure that the safety of operator.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of vacuum circuit-breaker of the present invention;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the left view of vacuum circuit-breaker of the present invention;
Fig. 4 is the partial enlarged drawing at B place in Fig. 3;
Implication is marked: 1 isolation drive portion, 2 isolation power transmissioning parts, 3 isolated execution portions, 4 mounting brackets, 5 vacuum tubes, 6 supporting insulators, 7 fixed contacts, 11 hexagonal main shafts, 12 connecting levers, 13 spring base A, 14 springs, 15 spring base B, 31 slave spindles, 32 drive link A, 33 drive link B, 34 drive link C, 35 moving contacts in accompanying drawing.
Embodiment
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
The embodiment of the present invention adopts the mode of going forward one by one to write.
See Fig. 1 ~ Fig. 4, a kind of vacuum circuit-breaker, comprises isolation drive portion 1, isolation power transmissioning part 2, isolated execution portion 3, mounting bracket 4, vacuum tube 5 and supporting insulator 6;
Isolation drive portion 1 is fixedly mounted on mounting bracket 4 top, and comprise hexagonal main shaft 11, connecting lever 12, spring base A13, spring 14, spring base B15, hexagonal main shaft 11 is fixedly connected with connecting lever 12, and connecting lever 12 is cam structure; The edge be specially along cam structure arranges mounting groove, and the mounting groove of spring base A13 and connecting lever 12 is slidably connected, and moves up and down in the process that connecting lever 12 rotates along hexagonal main shaft 11; The upper and lower part of spring 14 is fixedly connected with spring base B15 with spring base A13 respectively; Isolated execution portion 3 comprises the moving contact 35 of slave spindle 31, drive link A32, drive link B33, drive link C34 and strip; Vacuum tube 5 and supporting insulator 6 are fixedly mounted on top and the middle part of mounting bracket 4 respectively; Wherein, the bottom of vacuum tube 6 and the top of supporting insulator 6 are all installed with fixed contact 7; Actuating force is transferred to isolated execution portion 3 by isolation power transmissioning part 2 by isolation drive portion 1, controls to be separately fixed at the break-make between two fixed contacts 7 on vacuum tube 5 and supporting insulator 6 by isolated execution portion 3.During work, operator rotates hexagonal main shaft 11, hexagonal main shaft 11 drives the connecting lever 12 fixing with it to rotate, connecting lever 12 drives spring base A13, spring 14 and the spring base B15 be slidably connected with its mounting groove to move downward in the process of rotating, because isolation power transmissioning part 2 is fixedly connected with the slave spindle 31 in isolated execution portion 3 with the spring base B15 in isolation drive portion 1 respectively, therefore spring base B15, slave spindle 31 also move downward thereupon.
The two ends of drive link B33 are respectively at one end active link of drive link A32, drive link C34; The other end of drive link A32 is fixedly connected with slave spindle 31; The other end of drive link C34 is fixedly connected with in the middle part of moving contact 35; One end of moving contact 35 is flexibly connected with the fixed contact 7 on supporting insulator 6, and the other end rotates around fixed contact 7 under the drive of drive link C34.
Vacuum circuit-breaker three uses jointly, connects three-phase bus respectively, adopts same mounting bracket 4, hexagonal main shaft 11 and slave spindle 31 during common use.
Wherein isolation drive portion 1, isolation power transmissioning part 2, isolated execution portion 3, mounting bracket 4, vacuum tube 5 and supporting insulator 6 are all arranged on SF
6in air chamber.
During work, hexagonal main shaft 11 rotates clockwise, and drive connecting lever 12 to rotate clockwise, connecting lever 12 makes spring base B15 move downward by spring base A13, spring 14, and the isolation power transmissioning part 2 be fixedly connected with spring base B15 drives slave spindle 31 to move downward; Rotate around the fixed contact 7 be positioned on supporting insulator 6 at the effect lower moving contact 35 of linkage, complete combined floodgate.
During separating brake, by said process inverse operation.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a vacuum circuit-breaker, it is characterized in that, comprise isolation drive portion (1), isolation power transmissioning part (2), isolated execution portion (3), mounting bracket (4), vacuum tube (5) and supporting insulator (6);
Described isolation drive portion (1), vacuum tube (5) and supporting insulator (6) are fixedly mounted on the upper, middle and lower portion of described mounting bracket (4) respectively;
Described vacuum tube (5) and supporting insulator (6) are all installed with fixed contact (7);
Actuating force is transferred to described isolated execution portion (3) by described isolation power transmissioning part (2) by described isolation drive portion (1), controls to be separately fixed at the break-make between two fixed contacts (7) on described vacuum tube (5) and described supporting insulator (6) by isolated execution portion (3);
Described isolation drive portion (1), isolation power transmissioning part (2), isolated execution portion (3), mounting bracket (4), vacuum tube (5) and supporting insulator (6), fixed contact (7) are all arranged on SF
6in air chamber.
2. vacuum circuit-breaker according to claim 1, it is characterized in that, described isolation drive portion (1) comprises hexagonal main shaft (11), connecting lever (12), spring base A (13), spring (14), spring base B (15);
Described hexagonal main shaft (11) is fixedly connected with described connecting lever (12), and described connecting lever (12) is cam structure; Described spring base A (13) and described connecting lever (12) are slidably connected, and in the process that described connecting lever (12) rotates with hexagonal main shaft (11), described spring base A (13) can move up and down; Described spring base A (13) is connected with spring base B (15) by spring (14).
3. vacuum circuit-breaker according to claim 2, it is characterized in that, described isolated execution portion (3) comprises the moving contact (35) of slave spindle (31), drive link A (32), drive link B (33), drive link C (34) and strip;
The two ends of described drive link B (33) respectively with one end active link of described drive link A (32), drive link C (34); The other end of described drive link A (32) is fixedly connected with described slave spindle (31); The other end of described drive link C (34) is fixedly connected with moving contact (35) middle part; One end of described moving contact (35) is flexibly connected with the fixed contact (7) on supporting insulator (6), and the other end rotates around described fixed contact (7) under the drive of drive link C (34).
4. vacuum circuit-breaker according to claim 3, it is characterized in that, described isolation power transmissioning part (2) is fixedly connected with the slave spindle (31) of isolated execution portion (3) with the spring base B (15) of described isolation drive portion (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737579.4A CN105206469A (en) | 2015-11-03 | 2015-11-03 | Vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737579.4A CN105206469A (en) | 2015-11-03 | 2015-11-03 | Vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105206469A true CN105206469A (en) | 2015-12-30 |
Family
ID=54954079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510737579.4A Pending CN105206469A (en) | 2015-11-03 | 2015-11-03 | Vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105206469A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112233929A (en) * | 2020-09-14 | 2021-01-15 | 江苏大烨智能电气股份有限公司 | Three-station isolated circuit breaker switch |
-
2015
- 2015-11-03 CN CN201510737579.4A patent/CN105206469A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112233929A (en) * | 2020-09-14 | 2021-01-15 | 江苏大烨智能电气股份有限公司 | Three-station isolated circuit breaker switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3218953U (en) | Double break isolation switch with grounding linkage | |
| CN102270551B (en) | Power transmission apparatus for high voltage load breaker switch | |
| CN205230913U (en) | Three -position isolation grounding switch | |
| CN106169392B (en) | Vacuum tap switch | |
| CN201673845U (en) | High-current outdoor isolating switch | |
| CN205069498U (en) | Vacuum circuit breaker | |
| CN103177901A (en) | Three-position switch operating mechanism | |
| CN202839451U (en) | Vacuum arc extinguish chamber | |
| CN105206469A (en) | Vacuum circuit breaker | |
| CN106531545B (en) | A kind of high-pressure vacuum breaker | |
| CN208873691U (en) | A kind of structure of contact terminal | |
| CN103700539A (en) | Vacuum circuit breaker for switching capacitor bank gas insulated switch cabinet | |
| CN203812796U (en) | Vacuum circuit breaker | |
| CN206432192U (en) | Three-station | |
| CN104134572A (en) | On-pole permanent magnet vacuum breaker with manual switching-on and switching-off device | |
| CN203659774U (en) | Universal type breaker with double-row contacts | |
| CN202839450U (en) | Vacuum arc extinguishing chamber | |
| CN107275146B (en) | Transmission mechanism for high-voltage circuit breaker | |
| CN103414109B (en) | A kind of many electric power incoming lines switch cubicle | |
| CN101840808B (en) | Special circuit breaker of electrified railway | |
| CN203205331U (en) | High-voltage load switch | |
| WO2015045742A1 (en) | Apparatus for electric power | |
| CN106057564A (en) | Control method for vacuum tapping switch | |
| CN204464141U (en) | A kind of Novel grounding structure device | |
| CN102426946B (en) | Auxiliary contact structure for low-voltage electrical appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |