CN110911220A - Manual opening and closing spring operating mechanism and vacuum circuit breaker thereof - Google Patents
Manual opening and closing spring operating mechanism and vacuum circuit breaker thereof Download PDFInfo
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- CN110911220A CN110911220A CN201911234884.6A CN201911234884A CN110911220A CN 110911220 A CN110911220 A CN 110911220A CN 201911234884 A CN201911234884 A CN 201911234884A CN 110911220 A CN110911220 A CN 110911220A
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- closing
- iron core
- fixedly arranged
- insulating shell
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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
- H01H33/666—Operating arrangements
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Abstract
The invention discloses a manual opening and closing spring operating mechanism and a vacuum circuit breaker thereof, and the manual opening and closing spring operating mechanism comprises an insulating shell, wherein a manual driving lever penetrates through the insulating shell, a movable iron core is fixedly arranged on a pushing rod, and a closing static iron core and a breaking static iron core are respectively arranged on two sides of the movable iron core; the rack is provided with a pawl in a hinged mode on one side close to the static closing iron core, the pawl is arranged below the rack, a ratchet wheel is arranged at the position, close to the pawl, of the insulating shell, a switch is arranged on the upper wall of the concave block, and the switch is electrically connected with the closing coil. The invention provides a manual opening and closing spring operating mechanism, which is internally provided with a structure for automatically locking during opening and closing, effectively prevents false touch and false reaction, improves the safety of the device in use, and also provides a vacuum circuit breaker comprising the manual opening and closing spring operating mechanism, which is convenient to use and very worthy of popularization.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a manual opening and closing spring operating mechanism and a vacuum circuit breaker thereof.
Background
In the prior art, a spring permanent magnet switching-on and switching-off operation device with application number "201811276457. X" comprises a permanent magnet operation mechanism, a spring energy storage mechanism and a switching-on and switching-off operation mechanism; the permanent magnet operating mechanism comprises a permanent magnet operating rod, a static end flange, a static yoke, a static iron core, a switching-on/off coil, a permanent magnet and a movable iron core; the spring energy storage mechanism comprises a manual energy storage shaft, a driven cam shaft, a closing spring, a large chain wheel and a small chain wheel; the permanent magnet spring switching-on and switching-off operation device adopts a permanent magnet to keep the switch in a switching-on state, the manual switching-on cam drives the movable iron core to move to a switching-on keeping state during manual switching-on, and the switching-on spring automatically separates from the chain wheel transmission system during electric switching-on, so that the required operation power is small; the manual brake is driven by a manual brake-separating cam, so that the operating force is small; and the integrated design is adopted, so that the transmission links are few, and the manufacturing cost is low.
However, the method still has the obvious defects in the using process: 1. the device cannot perform self-locking during opening, cannot avoid automatic closing, and has larger potential safety hazard when an operator overhauls and maintains the circuit breaker; 2. above-mentioned device just need last circular telegram just can in closing coil if maintaining closing state, and such setting not only can increase power consumption, and it still can lead to the coil overheated, the inside heat of circuit breaker to be difficult to distribute to last circular telegram moreover, causes the damage to the circuit breaker.
Disclosure of Invention
The invention aims to provide a manual opening and closing spring operating mechanism and a vacuum circuit breaker thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a manual opening and closing spring operating mechanism comprises an insulating shell, wherein a manual driving lever penetrates through the insulating shell and is connected with an inner shell of the insulating shell through a first spring, one end, located in an inner cavity of the insulating shell, of the manual driving lever is fixed to the center of a driving gear, a driven gear is movably meshed with the side face of the driving gear, a central column is fixedly arranged at the center of the driven gear, a circular ring is fixedly arranged on the central column, a sector gear is fixedly arranged on the circular ring, the central points of the sector gear and the driven gear are the same, the radius of the sector gear is larger than that of the driven gear, a rack is movably meshed with the side face of the sector gear, a push rod is fixedly arranged on one side, away from the sector gear, of the rack, a movable iron core is fixedly arranged on the push rod, and a closing static iron core and a separating static iron core are respectively arranged, a closing coil is wound on the periphery of the closing static iron core, and an opening coil is wound on the periphery of the opening static iron core;
a pawl is hinged to one side, close to a closing static iron core, of the rack, the pawl is arranged below the rack, a ratchet wheel is arranged at a position, close to the pawl, of the insulating shell, the pawl is arranged on the ratchet wheel in an occluded mode, a sliding rod is fixedly arranged on one side, close to the manual driving lever, of the ratchet wheel, the sliding rod is movably arranged on a guide rail, the guide rail is fixedly arranged in an inner cavity of the insulating shell, an extension rod is fixedly arranged on the sliding rod, the extension rod penetrates through the side wall of the insulating shell, a push handle is fixedly arranged at the penetrating end of the extension rod, and a first magnetic block is fixedly arranged on one side, far away;
the insulating shell is fixedly provided with an installation block in an inner cavity close to the ratchet wheel, one side of the installation block close to the first magnetic block is fixedly provided with a second magnetic block, a second spring is arranged in a groove formed in the installation block, the second spring is fixedly connected with the ratchet wheel, one end of the installation block close to the push rod is fixedly provided with a lower concave block, the upper wall of the lower concave block is provided with a switch, the switch is electrically connected with a closing coil, two side walls of the lower concave block are fixedly provided with first protruding parts, one side of the push rod close to the first protruding parts is fixedly provided with a first clamping rod, the first clamping rod is fixedly provided with a first clamping and embedding part, one side of the rack far away from the pawl is fixedly provided with a second clamping rod, two sides of the second clamping rod are symmetrically and fixedly provided with second clamping and embedding parts, and the lower part of the second clamping and embedding part is provided with an upper concave block, the upper concave block is symmetrically and fixedly provided with a fixing plate, and the fixing plate is sequentially symmetrically and fixedly provided with a second protruding part and a third protruding part.
Preferably, the ring and the sector gear are integrally formed.
Preferably, the upper concave block is fixedly arranged in the inner cavity of the insulating shell.
Preferably, the upper concave block and the fixing plate are integrally formed.
A vacuum circuit breaker comprises the manual opening and closing spring operating mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. the device has a self-locking function and a non-return function after manual brake opening, can prevent the circuit breaker from mistakenly touching and closing, and avoids potential safety hazards caused by mistakenly switching on and powering on during maintenance or part replacement;
2. this device is closing a floodgate after, can will move the iron core through mechanical structure and carry out the locking, on the one hand, can lead to automatic separating brake end to open when avoiding the circuit breaker vibration, and on the other hand, mechanical structure also can trigger switch for closing a floodgate coil outage, move the iron core and maintain and the adsorption state of closing a floodgate quiet iron core under mechanical locking structure's effect, close a floodgate, need not to switch on to closing a floodgate coil always, both reduced power consumption, also avoid closing a floodgate coil to last to pass through electric heat and bring the potential safety hazard.
The invention provides a manual opening and closing spring operating mechanism, which is internally provided with a structure for automatically locking during opening and closing, effectively prevents false touch and false reaction, improves the safety of the device in use, and also provides a vacuum circuit breaker comprising the manual opening and closing spring operating mechanism, which is convenient to use and very worthy of popularization.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention in an open state;
FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;
fig. 3 is a schematic diagram of the overall structure of the closing state of the present invention.
In the figure: 1 insulating shell, 2 manual deflector rods, 3 first springs, 4 driving gears, 5 driven gears, 6 central columns, 7 circular rings, 8 sector gears, 9 racks, 10 pushing rods, 11 movable iron cores, 12 closing static iron cores, 13 opening static iron cores, 14 closing coils, 15 opening coils, 16 pawls, 17 ratchets, 18 sliding rods, 19 guide rails, 20 extending rods, 21 pushing handles, 22 magnetic block I, 23 mounting blocks, 24 magnetic block II, 25 second springs, 26 concave blocks, 27 switches, 28 first protruding parts, 29 first clamping rods, 30 first clamping and embedding parts, 31 second clamping rods, 32 second clamping and embedding parts, 33 concave blocks, 34 fixing plates, 35 second protruding parts and 36 third protruding parts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-3, the present invention provides a technical solution:
a manual opening and closing spring operating mechanism comprises an insulating shell 1, a manual driving lever 2 penetrates through the insulating shell 1, the manual driving lever 2 is connected with an inner shell of the insulating shell 1 through a first spring 3, one end, located in an inner cavity of the insulating shell 1, of the manual driving lever 2 is fixed to the center of a driving gear 4, a driven gear 5 is movably meshed with the side face of the driving gear 4, a central column 6 is fixedly arranged at the center of the driven gear 5, a circular ring 7 is fixedly arranged on the central column 6, a sector gear 8 is fixedly arranged on the circular ring 7, the sector gear 8 can rotate along with the driven gear 5, the center points of the sectors of the sector gear 8 and the driven gear 5 are the same, the radius of the sector gear 8 is larger than that of the driven gear 5, a rack 9 is movably meshed with the side face of the sector gear 8, a push rod 10 is fixedly arranged on one side, away from the, the two sides of the movable iron core 11 are respectively provided with a closing static iron core 12 and an opening static iron core 13, the periphery of the closing static iron core 12 is wound with a closing coil 14, and the periphery of the opening static iron core 13 is wound with an opening coil 15.
A pawl 16 is hinged to one side of the rack 9 close to the closing static iron core 12, the pawl 16 is arranged below the rack 9, a ratchet 17 is arranged at a position of the insulating shell close to the pawl 16, the pawl 16 can move downwards relative to the ratchet 17 and cannot move in the reverse direction, the pawl 16 is arranged on the ratchet 17 in an occluded manner, a sliding rod 18 is fixedly arranged on one side of the ratchet 17 close to the manual shift lever 2, the sliding rod 18 is movably arranged on a guide rail 19, the sliding rod 18 can move along the guide rail 19, the guide rail 19 is fixedly arranged in an inner cavity of the insulating shell 1, an extension rod 20 is fixedly arranged on the sliding rod 18, the extension rod 20 penetrates through the side wall of the insulating shell 1 and is fixedly provided with a push handle 21, and a first magnetic block 22 is fixedly arranged on one side of the ratchet.
An installation block 23 is fixedly arranged in an inner cavity of the insulating shell 1 close to the ratchet wheel 17, a second magnetic block 24 is fixedly arranged on one side of the installation block 23 close to the first magnetic block 22, a second spring 25 is arranged in a groove formed in the installation block 23, the second spring 25 is fixedly connected with the ratchet wheel 17, a concave block 26 is fixedly arranged at one end of the installation block 23 close to the push rod 10, a switch 27 is arranged on the upper wall of the concave block 26, the switch 27 is electrically connected with the closing coil 14, when the switch 27 is triggered, the closing coil 14 is powered off, first protruding portions 28 are fixedly arranged on two side walls of the concave block 26, a first clamping rod 29 is fixedly arranged on one side of the push rod 10 close to the first protruding portions 28, a first clamping portion 30 is fixedly arranged on the first clamping rod 29, a second clamping rod 31 is fixedly arranged on one side of the rack 9 far away from the pawl 16, and second clamping portions 32 are symmetrically and fixedly arranged on two sides of the second clamping rod, an upper concave block 33 is arranged below the second clamping and embedding part 32, fixing plates 34 are symmetrically and fixedly arranged in the upper concave block 33, and a second protruding part 35 and a third protruding part 36 are sequentially and symmetrically and fixedly arranged on the fixing plates 34.
Preferably, the ring 7 and the sector gear 8 are integrally formed, which reduces the complexity of assembly and improves the overall stability of the device.
Preferably, the concave-upper block 33 is fixedly disposed in the inner cavity of the insulating housing 1.
Preferably, the upper concave block 33 and the fixing plate 34 are integrally formed, thereby improving the stability.
A vacuum circuit breaker comprises the manual opening and closing spring operating mechanism.
The working principle is as follows: when manual brake opening is needed, the manual driving lever 2 is manually pushed towards the clockwise direction, the first spring 3 is compressed, the manual driving lever 2 drives the driving gear 4 to rotate clockwise, so that the driven gear 5 rotates anticlockwise, the driven gear 5 drives the sector gear 8 to rotate anticlockwise through the central column 6 and the circular ring 7, the rack 9 is driven downwards, the pawl 16 passes through the ratchet wheel 17 downwards, the rack 9 drives the movable iron core 11 to move downwards through the push rod 10, and the movable iron core 11 and the static brake opening iron core 13 are attracted to each other to realize brake opening; at this moment, the rack 9 also drives the second clamping rod 31 to move downwards, so that the second clamping part 32 on the second clamping rod 31 is clamped and embedded below the third protruding part 36 of the upper concave block 33, the second protruding part 35 and the third protruding part 36 play a role in double locking, the pawl 16 cannot move upwards relative to the ratchet wheel 17, a third role in triple locking is played, automatic closing and closing are prevented, the stability of the circuit breaker in a locking state is effectively improved, an operator can conveniently overhaul or replace parts, and potential safety hazards are eliminated.
When manual switching-on is needed, a thumb and a forefinger are used for relatively kneading an extension rod 20 and a manual driving lever 2, on one hand, the extension rod 20 drives a ratchet 17 to move through a sliding rod 18 to release locking between the ratchet 17 and a pawl 16, at the moment, a first magnetic block 22 is separated from a second magnetic block 24, a second spring 25 is stretched, on the other hand, the manual driving lever 2 is used for shifting towards the anticlockwise direction, a first spring 3 is stretched, the manual driving lever 2 drives a driving gear 4 to rotate anticlockwise, so that a driven gear 5 rotates clockwise, the driven gear 5 drives a sector gear 8 to rotate clockwise through a central column 6 and a circular ring 7, a rack 9 is driven upwards, the rack 9 drives a movable iron core 11 to move upwards through a pushing rod 10, the movable iron core 11 and a static switching-on iron core 12 are; at this time, the first locking lever 29 triggers the switch 27 in the concave block 26 to cut off the power of the closing coil 14, and the first locking portion 30 and the first protrusion 28 are locked with each other, so that the position of the movable iron core 11 is not changed spontaneously, and the electromagnetic attraction generated by the continuous power-on of the closing coil 14 is not needed, thereby reducing the power consumption and avoiding the potential safety hazard caused by the continuous power-on heat of the closing coil.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a manual divide-shut brake spring operating mechanism, includes insulating casing (1), its characterized in that: a manual driving lever (2) penetrates through the insulating shell (1), the manual driving lever (2) is connected with an inner shell of the insulating shell (1) through a first spring (3), one end, located in an inner cavity of the insulating shell (1), of the manual driving lever (2) is fixed to the center of the driving gear (4), a driven gear (5) is movably meshed with the side face of the driving gear (4), a central column (6) is fixedly arranged at the center of the driven gear (5), a circular ring (7) is fixedly arranged on the central column (6), a sector gear (8) is fixedly arranged on the circular ring (7), the center points of the sector gear (8) and the driven gear (5) are the same, the radius of the sector gear (8) is larger than that of the driven gear (5), and a rack (9) is movably meshed with the side face of the sector gear (8), a pushing rod (10) is fixedly arranged on one side, away from the sector gear (8), of the rack (9), a movable iron core (11) is fixedly arranged on the pushing rod (10), a closing static iron core (12) and a separating static iron core (13) are respectively arranged on two sides of the movable iron core (11), a closing coil (14) is wound on the periphery of the closing static iron core (12), and a separating coil (15) is wound on the periphery of the separating static iron core (13);
a pawl (16) is hinged to one side, close to a closing static iron core (12), of the rack (9), the pawl (16) is arranged below the rack (9), a ratchet wheel (17) is arranged at a position, close to the pawl (16), of the insulating shell, the pawl (16) is arranged on the ratchet wheel (17) in an engaged mode, a sliding rod (18) is fixedly arranged on one side, close to the manual shifting rod (2), of the ratchet wheel (17), the sliding rod (18) is movably arranged on a guide rail (19), the guide rail (19) is fixedly arranged in an inner cavity of the insulating shell (1), an extension rod (20) is fixedly arranged on the sliding rod (18), the extension rod (20) penetrates through the side wall of the insulating shell (1) and is fixedly provided with a push handle (21) in a penetrating mode, and a first magnetic block (22) is fixedly arranged on one side, far away from the push handle (21), of the ratchet wheel;
the insulating shell (1) is fixedly provided with an installation block (23) in an inner cavity close to a ratchet wheel (17), one side of the installation block (23) close to a first magnetic block (22) is fixedly provided with a second magnetic block (24), a second spring (25) is arranged in a groove formed in the installation block (23), the second spring (25) is fixedly connected with the ratchet wheel (17), one end of the installation block (23) close to a push rod (10) is fixedly provided with a concave block (26), the upper wall of the concave block (26) is provided with a switch (27), the switch (27) is electrically connected with a closing coil (14), two side walls of the concave block (26) are fixedly provided with first protruding portions (28), one side of the push rod (10) close to the first protruding portions (28) is fixedly provided with a first clamping rod (29), and the first clamping portion (30) is fixedly arranged on the first clamping rod (29), the fixed second kelly (31) that is provided with in one side that pawl (16) were kept away from in rack (9), the both sides symmetry of second kelly (31) is fixed and is provided with second inlay card portion (32), the below of second inlay card portion (32) is provided with concave type piece (33), go up fixed plate (34) that is provided with of symmetry in concave type piece (33), fixed plate (34) are gone up in proper order the symmetry fixed second bellying (35) and third bellying (36) that are provided with.
2. The manual opening and closing spring operating mechanism according to claim 1, wherein: the circular ring (7) and the sector gear (8) are integrally formed.
3. The manual opening and closing spring operating mechanism according to claim 1, wherein: the upper concave block (33) is fixedly arranged in the inner cavity of the insulating shell (1).
4. The manual opening and closing spring operating mechanism according to claim 1, wherein: the upper concave block (33) and the fixing plate (34) are integrally formed.
5. A vacuum interrupter, characterized by: including the manual opening and closing spring actuator of any of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234884.6A CN110911220B (en) | 2019-12-05 | 2019-12-05 | Manual opening and closing spring operating mechanism and vacuum circuit breaker thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234884.6A CN110911220B (en) | 2019-12-05 | 2019-12-05 | Manual opening and closing spring operating mechanism and vacuum circuit breaker thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110911220A true CN110911220A (en) | 2020-03-24 |
| CN110911220B CN110911220B (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911234884.6A Active CN110911220B (en) | 2019-12-05 | 2019-12-05 | Manual opening and closing spring operating mechanism and vacuum circuit breaker thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110911220B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002603A (en) * | 2020-08-24 | 2020-11-27 | 王海涛 | Vacuum circuit breaker based on manual switching-on and switching-off mechanism |
| CN112002604A (en) * | 2020-08-24 | 2020-11-27 | 王海涛 | Switching-on and switching-off mechanism for vacuum circuit breaker |
| CN112216573A (en) * | 2020-10-30 | 2021-01-12 | 国网山东省电力公司成武县供电公司 | Automatic switching-on and switching-off high-voltage drop circuit breaker |
| CN112382530A (en) * | 2020-11-06 | 2021-02-19 | 广东电网有限责任公司东莞供电局 | Switching-on and switching-off device of vacuum circuit breaker |
| CN112589032A (en) * | 2020-11-19 | 2021-04-02 | 宁波职业技术学院 | Fastener forging equipment of automobile bending arm |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2016225262A (en) * | 2015-06-04 | 2016-12-28 | 株式会社日立製作所 | Switch |
| CN110098094A (en) * | 2019-06-21 | 2019-08-06 | 安徽科盟电子科技有限公司 | A kind of breaker electromagnetic operating mechanism |
| CN110137047A (en) * | 2019-06-21 | 2019-08-16 | 安徽科盟电子科技有限公司 | A kind of breaker automatic switching-on device |
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2019
- 2019-12-05 CN CN201911234884.6A patent/CN110911220B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016225262A (en) * | 2015-06-04 | 2016-12-28 | 株式会社日立製作所 | Switch |
| CN110098094A (en) * | 2019-06-21 | 2019-08-06 | 安徽科盟电子科技有限公司 | A kind of breaker electromagnetic operating mechanism |
| CN110137047A (en) * | 2019-06-21 | 2019-08-16 | 安徽科盟电子科技有限公司 | A kind of breaker automatic switching-on device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002603A (en) * | 2020-08-24 | 2020-11-27 | 王海涛 | Vacuum circuit breaker based on manual switching-on and switching-off mechanism |
| CN112002604A (en) * | 2020-08-24 | 2020-11-27 | 王海涛 | Switching-on and switching-off mechanism for vacuum circuit breaker |
| CN112216573A (en) * | 2020-10-30 | 2021-01-12 | 国网山东省电力公司成武县供电公司 | Automatic switching-on and switching-off high-voltage drop circuit breaker |
| CN112216573B (en) * | 2020-10-30 | 2022-04-08 | 国网山东省电力公司成武县供电公司 | Automatic switching-on and switching-off high-voltage drop circuit breaker |
| CN112382530A (en) * | 2020-11-06 | 2021-02-19 | 广东电网有限责任公司东莞供电局 | Switching-on and switching-off device of vacuum circuit breaker |
| CN112382530B (en) * | 2020-11-06 | 2022-08-30 | 广东电网有限责任公司东莞供电局 | Switching-on and switching-off device of vacuum circuit breaker |
| CN112589032A (en) * | 2020-11-19 | 2021-04-02 | 宁波职业技术学院 | Fastener forging equipment of automobile bending arm |
| CN112589032B (en) * | 2020-11-19 | 2022-08-23 | 宁波职业技术学院 | Fastener forging equipment of automobile bending arm |
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| CN110911220B (en) | 2020-08-11 |
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Effective date of registration: 20200716 Address after: No.1 lanbei street, Lanshan Town, Suining County, Xuzhou City, Jiangsu Province Applicant after: Jiangsu High Power Technology Co.,Ltd. Address before: Room a-219, medical technology building, 1151 Yan'an South Road, bengshan District, Bengbu City, Anhui Province Applicant before: Bengbu Puyuan Electric Technology Co.,Ltd. |
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