CN204130429U - A kind of contact Permanent Magnetic Gear transmission mechanism device with emergency opening - Google Patents
A kind of contact Permanent Magnetic Gear transmission mechanism device with emergency opening Download PDFInfo
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- CN204130429U CN204130429U CN201420530222.XU CN201420530222U CN204130429U CN 204130429 U CN204130429 U CN 204130429U CN 201420530222 U CN201420530222 U CN 201420530222U CN 204130429 U CN204130429 U CN 204130429U
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Abstract
The utility model relates to a kind of permanent magnet mechanism, particularly relates to a kind of contact Permanent Magnetic Gear transmission mechanism device of medium voltage breaker band emergency opening.A kind of contact Permanent Magnetic Gear transmission mechanism device with emergency opening, described mechanism arrangement is provided with spring between the push rod and upper yoke plate of dynamic iron core assembly, utilize the restoring force after spring-compressed to improve opening velocity, reach and match with the spring load characteristic of vacuum circuit-breaker, and be provided with switch lever assembling with hand divide worm gear to assemble, for manual divide-shut brake.The utility model structure is simple, and reliable in action, the life-span is high, is convenient to production process and the inspection before putting into operation.
Description
Technical field
The utility model relates to a kind of permanent magnet mechanism, particularly relates to a kind of contact Permanent Magnetic Gear transmission mechanism device of medium voltage breaker band emergency opening.
Background technology
Along with the development of national economy and improving constantly of the people's material and cultural life level, people are more and more many to power demand, and electrical network constantly expands, and user requires also more and more higher to power supply quality and power supply reliability.Circuit breaker, as one of power system terminal device, plays control, regulates and protective effect, and its reliability and intelligent level will produce far-reaching influence to the stable of electric power system and automaticity.Mesohigh circuit breaker is all have contact mechanical switch, and the reliability of operating mechanism just becomes the key of high reliability.And traditional operating mechanism amount of parts is many, drive connection is complicated, and failure rate accounts for the very large proportion of circuit breaker failure.Therefore have a kind of brand-new operation principle and structure, during work, main motion parts only has one, and, locker de-without the need to machinery, the source of trouble is few, and the permanent magnet mechanism with higher reliability is one of important channel becoming high reliability.
The permanent magnet mechanism of existing indoor medium voltage circuit breaker because the dynamic separating brake that participates in unshakable in one's determination moves, makes the movement inertia of kinematic system during separating brake obviously increase in opening characteristic, very unfavorable to raising opening velocity.In addition, the suction of permanent magnet also plays a part to hinder separating brake in separating brake process, also unfavorable to raising opening velocity.
Utility model content
The purpose of this utility model is unfavorable to raising opening velocity in opening characteristic for the permanent magnet mechanism of existing indoor medium voltage vacuum circuit-breaker, there is provided a kind of and can provide little closing speed and higher opening velocity, power producing characteristics can well mate with the spring load characteristic of vacuum circuit-breaker, and a kind of contact Permanent Magnetic Gear transmission mechanism device of the manual divide-shut brake of energy.
For achieving the above object, technical solution of the present utility model is: a kind of contact Permanent Magnetic Gear transmission mechanism device with emergency opening, described mechanism arrangement is provided with spring between the push rod and upper yoke plate of dynamic iron core assembly, utilize the restoring force after spring-compressed to improve opening velocity, reach and match with the spring load characteristic of vacuum circuit-breaker, and be provided with switch lever assembling with hand divide worm gear to assemble, for manual divide-shut brake.
With a contact Permanent Magnetic Gear transmission mechanism device for emergency opening, comprise the mechanism's left plate, mechanism's right plate, mechanism's front side board and the mechanism's back side panel that are encircled into vertical rectangular parallelepiped space.Yoke plate under being provided with that upper shed place of described rectangular parallelepiped space is fixing, that fixes at the middle part of described rectangular parallelepiped space is provided with yoke plate, and described mechanism left plate, described mechanism right plate, described mechanism front side board, described mechanism back side panel, described lower yoke plate and described upper yoke plate are encircled into cabinet space.In described cabinet space along the inwall of described mechanism left plate and the inwall of mechanism's right plate vertical be furnished with outer yoke, described outer yoke is fixed on described upper yoke plate.Top in the chamber of described outer yoke is provided with the inner yoke of horizontal arrangement, between described inner yoke and described outer yoke, be provided with permanent magnet.Described permanent magnet is close on the surface of described inner yoke and described outer yoke.In the below of described inner yoke and the middle and lower part place being positioned at the chamber of described outer yoke is provided with divide-shut brake coil, in the chamber of described inner yoke, be provided with dynamic iron core assembly.
The top of described dynamic iron core assembly is provided with upper groove, the bottom of described dynamic iron core assembly is provided with low groove, the lower surface of described lower yoke plate is provided with convex platform, lower yoke plate passage is provided with in described convex platform, the upper surface of yoke plate is provided with lower convex platform on described, in described lower convex platform, be provided with yoke plate groove, the shaped position of described convex platform and described upper groove matches.Described dynamic iron core assembly also comprises the push rod vertically arranged, described push rod is passed down through described upper groove, described dynamic iron core assembly, described low groove, described upper yoke plate groove and described upper yoke plate, the upper end of described push rod can move up and down in described lower yoke plate passage, described push rod be positioned at described upper groove and described on the part of yoke plate groove be arranged with spring.
Preferably, the lower end of the push rod of described dynamic iron core assembly is connected with manual close/open machine.Described manual close/open machine comprises the connector be fixedly connected with the lower end of described push rod, and one end of described connector and connecting plate is hinged, described connecting plate the other end and middle connecting lever hinged.Described middle connecting lever comprises long-armed and galianconism at an angle to each other, and described long-armed one end is fixedly connected with one end of described galianconism or one-body molded.The articulated position of described connecting plate and described middle connecting lever is in the long-armed middle part of described middle connecting lever, described middle connecting lever is hinged with output connecting plate on the top of the galianconism of described middle connecting lever, described middle connecting lever is arranged on the splined shaft perpendicular to the right plate setting of described mechanism, and described splined shaft is positioned at the intersection of the long-armed and galianconism of described middle connecting lever.
Described manual close/open machine also comprises hand and divides worm screw and hand to divide worm gear.Described hand divides worm screw to be arranged on the below of described upper yoke plate, and its one end is through the fixed head be arranged on mechanism's right plate, and the other end is fixed on worm screw axle bed, and is provided with spacing back-up ring.Divide one end away from described worm screw axle bed of worm screw to be arranged with torsion spring through the part of described fixed head at described hand, one end of described torsion spring hangs over inwardly through on the screw of described mechanism right plate, and the other end is pressed on the inner surface of described mechanism right plate.Described hand divides worm gear to be arranged on hand to divide on semiaxis, and described hand divides worm gear and described hand to divide worm screw to be rotationally connected by the mode of threaded engagement, and described hand divides semiaxis to be fixed between described mechanism left plate and described mechanism right plate by bearing.
Long-armed arm head and the described hand of described middle connecting lever divide together with the groove that semiaxis is arranged is connected to.
Preferably, upper and lower two fitting surfaces of described dynamic iron core assembly respectively with the fitting surface of described upper yoke plate, the fitting surface close contact of described inner yoke.
The beneficial effects of the utility model are:
1. the utility model structure is simple, matrix breach is offered at the upper yoke plate of permanent magnet mechanism, the lower end of the push rod in dynamic iron core assembly coordinates with the matrix breach that upper yoke plate is opened through spring, the spring absorption portion mechanical power when breaker closing is also converted into the potential energy of spring, during separating brake, discharge potential energy by spring, impel dynamic iron core just-off speed to improve rapidly, thus reach the effect of quick acting switching-off.
2. the utility model is provided with closing by hand handle on splined shaft, can carry out closing by hand, is convenient to production process and the inspection before putting into operation;
3. the utility model utilizes worm gear, worm screw, axle, middle connecting lever to form a manual switching-off device, can carry out manual brake separating, be convenient to production process and the inspection before putting into operation.
Accompanying drawing explanation
Fig. 1 is the front view of the contact Permanent Magnetic Gear transmission mechanism device of band emergency opening provided by the utility model.
Fig. 2 is the cutaway view under the "on" position of the contact Permanent Magnetic Gear transmission mechanism device of band emergency opening provided by the utility model.
Fig. 3 is the cutaway view under the gate-dividing state of the contact Permanent Magnetic Gear transmission mechanism device of band emergency opening provided by the utility model.
Fig. 4 is the cutaway view of the manual brake separating part of the contact Permanent Magnetic Gear transmission mechanism device of band emergency opening provided by the utility model.
Fig. 5 is the cutaway view of the closing by hand part of the contact Permanent Magnetic Gear transmission mechanism device of band emergency opening provided by the utility model.
In accompanying drawing 1,2,3,4,5, the list of parts representated by each label is as follows:
1, mechanism's left plate, 2, mechanism's right plate, 4, screw, 5, handle, 6, splined shaft, 7, worm screw axle bed, 8, hand divides semiaxis, 10, back-up ring, 12, lower yoke plate, 13, dynamic iron core assembly, 14, inner yoke, 15, permanent magnet, 16, divide-shut brake coil, 17, spring, 18, outer yoke, 19, upper yoke plate, 20, connector, 22, connecting plate, 23, hand divides worm screw, 24, middle connecting lever, 25, connecting plate is exported, 26, torsion spring, 27, hand divides worm gear, 28, divide-shut brake lead-out wires of coil.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, illustrated embodiment, only for explaining the utility model, is not intended to limit scope of the present utility model.
With a contact Permanent Magnetic Gear transmission mechanism device for emergency opening, as shown in Figure 1, 2, 3, the mechanism's left plate 1, mechanism's right plate 2, mechanism's front side board and the mechanism's back side panel that are encircled into vertical rectangular parallelepiped space is comprised.Yoke plate 12 under being provided with that upper shed place of described rectangular parallelepiped space is fixing, that fixes at the middle part of described rectangular parallelepiped space is provided with yoke plate 19, and described mechanism left plate 1, described mechanism right plate 2, described mechanism front side board, described mechanism back side panel, described lower yoke plate 12 and described upper yoke plate 19 are encircled into cabinet space.In described cabinet space along the inwall of described mechanism left plate 1 and the inwall of mechanism's right plate 2 vertical be furnished with outer yoke 18, described outer yoke 18 is fixed on described upper yoke plate 19.Top in the chamber of described outer yoke 18 is provided with the inner yoke 14 of horizontal arrangement, between described inner yoke 14 and described outer yoke 18, be provided with permanent magnet 15.Described permanent magnet 15 is close on the surface of described inner yoke 14 and described outer yoke (18).In the below of described inner yoke 14 and the middle and lower part place being positioned at the chamber of described outer yoke 18 is provided with divide-shut brake coil 16, in the chamber of described inner yoke 14, be provided with dynamic iron core assembly 13.Described dynamic iron core assembly about 13 two fitting surfaces respectively with the described fitting surface of upper yoke plate 19, the fitting surface close contact of described inner yoke 14.
The top of described dynamic iron core assembly 13 is provided with upper groove, the bottom of described dynamic iron core assembly 13 is provided with low groove, the lower surface of described lower yoke plate 12 is provided with convex platform, lower yoke plate passage is provided with in described convex platform, the upper surface of yoke plate 19 is provided with lower convex platform on described, in described lower convex platform, be provided with yoke plate groove, the shaped position of described convex platform and described upper groove matches.Described dynamic iron core assembly 13 also comprises the push rod vertically arranged, described push rod is passed down through described upper groove, described dynamic iron core assembly 13, described low groove, described upper yoke plate groove and described upper yoke plate 19, the upper end of described push rod can move up and down in described lower yoke plate passage, described push rod be positioned at described upper groove and described on the part of yoke plate groove be arranged with spring 17.
As shown in Figure 4,5, the lower end of the push rod of described dynamic iron core assembly 13 is connected with manual close/open machine.Described manual close/open machine comprises the connector 20 be fixedly connected with the lower end of described push rod, and described connector 20 is hinged with one end of connecting plate 22, described connecting plate 22 the other end and middle connecting lever 24 hinged.Described middle connecting lever 24 comprises long-armed and galianconism at an angle to each other, and described long-armed one end is fixedly connected with one end of described galianconism or one-body molded.Described connecting plate 22 and the articulated position of described middle connecting lever 24 are in the long-armed middle part of described middle connecting lever 24, described middle connecting lever 24 is hinged with output connecting plate 25 on the top of the galianconism of described middle connecting lever 24, described middle connecting lever 24 is arranged on the splined shaft 6 perpendicular to right plate 2 setting of described mechanism, and described splined shaft 6 is positioned at the intersection of the long-armed and galianconism of described middle connecting lever 24.
Described manual close/open machine also comprises hand and divides worm screw 23 and hand to divide worm gear 27.Described hand divides worm screw 23 to be arranged on the below of described upper yoke plate 19, and its one end is through the fixed head be arranged on mechanism's right plate 2, and the other end is fixed on worm screw axle bed 7, and is provided with spacing back-up ring 10.One end away from described worm screw axle bed 7 of worm screw 23 is divided to be arranged with torsion spring 26 through the part of described fixed head at described hand, one end of described torsion spring 26 hangs over inwardly through on the screw 4 of described mechanism right plate 2, and the other end is pressed on the inner surface of described mechanism right plate 2.Described hand divides worm gear 27 to be arranged on hand to divide on semiaxis 8, and described hand divides worm gear 27 and described hand to divide worm screw 23 to be rotationally connected by the mode of threaded engagement, and described hand divides semiaxis 8 to be fixed between described mechanism left plate 1 and described mechanism right plate 2 by bearing 9.
Long-armed arm head and the described hand of described middle connecting lever 24 divide together with the groove that semiaxis 8 is arranged is connected to.
The operation principle of the contact Permanent Magnetic Gear transmission mechanism device of band emergency opening provided by the utility model is as follows.
Divide-shut brake coil 16 receives sub-gate signal, produce magnetic force upwards, dynamic iron core assembly 13 moves upward, spring 17 discharges potential energy, impel dynamic iron core assembly to move upward rapidly, the connecting plate 22 that dynamic iron core assembly 13 drives connector 20 to connect moves upward, and the output connecting plate 25 that middle connecting lever 24 is attached thereto moves upward rapidly, export connecting plate 25 signal of separating brake is spread out of rapidly, reach the effect of emergency opening.When circuit breaker is in open position, in divide-shut brake coil 16, no current passes through, and dynamic iron core is remained on open position by permanent magnet 15.
Divide-shut brake coil 16 receives switching signal, produce downward magnetic force, dynamic iron core assembly 13 moves downward, spring 17 is compressed storage potential energy, the connecting plate 22 that dynamic iron core assembly 13 drives connector 20 to connect moves downward, the output connecting plate 25 that middle connecting lever 24 is attached thereto moves downward, and exports connecting plate 25 and is spread out of rapidly by the signal of combined floodgate, reach the effect of combined floodgate.When circuit breaker is in closing position, in divide-shut brake coil 16, no current passes through, and dynamic iron core is remained on closing position by permanent magnet 15.Therefore the utility model is the bistable structure of unicoil.
Rotate clockwise hand and divide worm screw 23, the hand coordinated with it is driven to divide worm gear 27, hand is made to divide semiaxis 8 upwards to rotate together, the long end of middle connecting lever 24 is divided the groove of semiaxis 8 upwards to push up by hand, middle connecting lever 24 upwards rotates, drive the output connecting plate 25 be attached thereto to move upward rapidly, export connecting plate 25 and the signal of separating brake is spread out of rapidly, reach the effect of separating brake.
By lower handle 5, rotate together with splined shaft 6 coordinates with handle, drive the middle connecting lever 24 coordinated with splined shaft 6 to rotate, the output connecting plate 25 be connected with middle connecting lever 24 moves downward, and exports connecting plate 25 and is spread out of rapidly by the signal of combined floodgate, reach the effect of combined floodgate.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (3)
1. the contact Permanent Magnetic Gear transmission mechanism device with emergency opening, comprise the mechanism's left plate (1) being encircled into vertical rectangular parallelepiped space, mechanism's right plate (2), mechanism's front side board and mechanism's back side panel, yoke plate (12) under being provided with that upper shed place of described rectangular parallelepiped space is fixing, that fixes at the middle part of described rectangular parallelepiped space is provided with yoke plate (19), described mechanism left plate (1), described mechanism right plate (2), described mechanism front side board, described mechanism back side panel, described lower yoke plate (12) and described upper yoke plate (19) are encircled into cabinet space, in described cabinet space along the inwall of the inwall of described mechanism left plate (1) and mechanism's right plate (2) vertical be furnished with outer yoke (18), described outer yoke (18) is fixed on described upper yoke plate (19), top in the chamber of described outer yoke (18) is provided with the inner yoke (14) of horizontal arrangement, permanent magnet (15) is provided with between described inner yoke (14) and described outer yoke (18), described permanent magnet (15) is close on the surface of described inner yoke (14) and described outer yoke (18), in the below of described inner yoke (14) and the middle and lower part place being positioned at the chamber of described outer yoke (18) is provided with divide-shut brake coil (16), dynamic iron core assembly (13) is provided with in the chamber of described inner yoke (14), it is characterized in that:
The top of described dynamic iron core assembly (13) is provided with upper groove, the bottom of described dynamic iron core assembly (13) is provided with low groove, the lower surface of described lower yoke plate (12) is provided with convex platform, lower yoke plate passage is provided with in described convex platform, the upper surface of yoke plate (19) is provided with lower convex platform on described, yoke plate groove is provided with in described lower convex platform, the shaped position of described convex platform and described upper groove matches, described dynamic iron core assembly (13) also comprises the push rod vertically arranged, described push rod is passed down through described upper groove, described dynamic iron core assembly (13), described low groove, described upper yoke plate groove and described upper yoke plate (19), the upper end of described push rod can move up and down in described lower yoke plate passage, described push rod be positioned at described upper groove and described on the part of yoke plate groove be arranged with spring (17).
2. the contact Permanent Magnetic Gear transmission mechanism device of band emergency opening according to claim 1, it is characterized in that: the lower end of the push rod of described dynamic iron core assembly (13) is connected with manual close/open machine, described manual close/open machine comprises the connector (20) be fixedly connected with the lower end of described push rod, described connector (20) is hinged with one end of connecting plate (22), described connecting plate (22) the other end and middle connecting lever (24) hinged, described middle connecting lever (24) comprises long-armed and galianconism at an angle to each other, described long-armed one end is fixedly connected with one end of described galianconism or one-body molded, described connecting plate (22) is in the long-armed middle part of described middle connecting lever (24) with the articulated position of described middle connecting lever (24), described middle connecting lever (24) is hinged with output connecting plate (25) on the top of the galianconism of described middle connecting lever (24), described middle connecting lever (24) is arranged on the splined shaft (6) that arranges perpendicular to described mechanism right plate (2), described splined shaft (6) is positioned at the intersection of the long-armed and galianconism of described middle connecting lever (24),
Described manual close/open machine also comprises hand and divides worm screw (23) and hand to divide worm gear (27), described hand divides worm screw (23) to be arranged on the below of described upper yoke plate (19), its one end is through the fixed head be arranged on mechanism's right plate (2), the other end is fixed on worm screw axle bed (7), and be provided with spacing back-up ring (10), one end away from described worm screw axle bed (7) of worm screw (23) is divided to be arranged with torsion spring (26) through the part of described fixed head at described hand, one end of described torsion spring (26) hangs over inwardly through on the screw (4) of described mechanism right plate (2), the other end is pressed on the inner surface of described mechanism right plate (2), described hand divides worm gear (27) to be arranged on hand to divide on semiaxis (8), described hand divides worm gear (27) and described hand to divide worm screw (23) to be rotationally connected by the mode of threaded engagement, described hand divides semiaxis (8) to be fixed between described mechanism left plate (1) and described mechanism right plate (2) by bearing (9),
Long-armed arm head and the described hand of described middle connecting lever (24) divide together with the upper groove arranged of semiaxis (8) is connected to.
3. the contact Permanent Magnetic Gear transmission mechanism device of band emergency opening according to claim 1 and 2, is characterized in that: upper and lower two fitting surfaces of described dynamic iron core assembly (13) respectively with the fitting surface of described upper yoke plate (19), the fitting surface close contact of described inner yoke (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530222.XU CN204130429U (en) | 2014-09-15 | 2014-09-15 | A kind of contact Permanent Magnetic Gear transmission mechanism device with emergency opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530222.XU CN204130429U (en) | 2014-09-15 | 2014-09-15 | A kind of contact Permanent Magnetic Gear transmission mechanism device with emergency opening |
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| Publication Number | Publication Date |
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| CN204130429U true CN204130429U (en) | 2015-01-28 |
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| CN201420530222.XU Active CN204130429U (en) | 2014-09-15 | 2014-09-15 | A kind of contact Permanent Magnetic Gear transmission mechanism device with emergency opening |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374616A (en) * | 2015-10-28 | 2016-03-02 | 安徽宇腾真空电气有限责任公司 | Rapid single-phase bypass vacuum contactor |
| CN105931918A (en) * | 2016-06-29 | 2016-09-07 | 正泰电气股份有限公司 | Vacuum circuit breaker permanent-magnetic actuator with tunable breaking retentivity |
| CN110634716A (en) * | 2019-08-20 | 2019-12-31 | 江苏省如高高压电器有限公司 | Single-stage circuit breaker |
-
2014
- 2014-09-15 CN CN201420530222.XU patent/CN204130429U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374616A (en) * | 2015-10-28 | 2016-03-02 | 安徽宇腾真空电气有限责任公司 | Rapid single-phase bypass vacuum contactor |
| CN105931918A (en) * | 2016-06-29 | 2016-09-07 | 正泰电气股份有限公司 | Vacuum circuit breaker permanent-magnetic actuator with tunable breaking retentivity |
| CN110634716A (en) * | 2019-08-20 | 2019-12-31 | 江苏省如高高压电器有限公司 | Single-stage circuit breaker |
| CN110634716B (en) * | 2019-08-20 | 2022-06-07 | 江苏省如高高压电器有限公司 | Single-stage circuit breaker |
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