WO2019148622A1 - 新型小型断路器自动分合闸控制机构及断路器 - Google Patents

新型小型断路器自动分合闸控制机构及断路器 Download PDF

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Publication number
WO2019148622A1
WO2019148622A1 PCT/CN2018/080978 CN2018080978W WO2019148622A1 WO 2019148622 A1 WO2019148622 A1 WO 2019148622A1 CN 2018080978 W CN2018080978 W CN 2018080978W WO 2019148622 A1 WO2019148622 A1 WO 2019148622A1
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WO
WIPO (PCT)
Prior art keywords
circuit breaker
gear
closing
opening
control mechanism
Prior art date
Application number
PCT/CN2018/080978
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English (en)
French (fr)
Inventor
刘魁
Original Assignee
深圳曼顿科技有限公司
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Publication of WO2019148622A1 publication Critical patent/WO2019148622A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H01H71/70—Power reset mechanisms actuated by electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents

Definitions

  • the invention relates to the technical field of low-voltage electrical protection, in particular to a novel miniature circuit breaker automatic opening and closing control mechanism and a circuit breaker.
  • the circuit breaker is divided into a high voltage circuit breaker and a low voltage circuit breaker according to its use range.
  • Low-voltage circuit breaker also known as automatic switch, is an electrical appliance that has both manual switching and automatic voltage loss, undervoltage, overload, and short-circuit protection. It can be used to distribute electric energy, start asynchronous motors infrequently, protect power lines and motors, and automatically cut off circuits when they are severely overloaded or short-circuited or under-voltage faults. Their functions are equivalent to fuse switches and A combination of thermal relays, etc., and generally no need to change parts after breaking the fault current has been widely used. In the case of leakage, the electromagnetic mechanism is used, which has faster breaking speed and breaking capacity than the motor operating mechanism.
  • the electromagnetic mechanism when the electromagnetic mechanism is closed, it must be energized by the coil for a long time to keep the moving iron core sucked, which consumes a large amount of money.
  • the electric energy, and the existing electromagnetic mechanism has a large volume, and only performs power-off protection under the leakage state, and the multi-function switching operation control cannot be realized.
  • the main object of the present invention is to provide a novel miniature circuit breaker automatic opening and closing control mechanism and a circuit breaker, which aims to solve the technical problem that the circuit breaker cannot realize the multi-function opening and closing operation control in the prior art.
  • an embodiment of the present invention provides a novel miniature circuit breaker automatic opening and closing control mechanism
  • the novel miniature circuit breaker automatic opening and closing control mechanism includes: a housing, a driving motor fixed on the housing, and a reduction gear set rotatably disposed on the housing, a double-layer profiled retarding brake incomplete gear, an open-open release link, a linkage shaft drive closing incomplete gear, and a linkage gear connected to the linkage shaft drive closing incomplete gear a wrench linkage shaft, a trip lever coupled with the open trip fastener link, a leakage trip electromagnet disposed on the trip lever, and a leakage circuit board for controlling energization of the leakage trip solenoid;
  • the driving motor transmits power through the reduction gear set and the double-layer special-shaped deceleration opening incomplete gear; the double-layer special-shaped deceleration opening incomplete gear drives the linkage shaft to drive the incomplete gear to rotate back and forth between the opening position and the closing position.
  • the rotary wrench linkage shaft realizes automatic opening and closing; the driving motor rotates, and when the double-layer special-shaped retarding opening and the incomplete gear is combined with the interlocking shaft to drive the incomplete gear, the interlocking shaft drives the closing of the incomplete gear to rotate freely.
  • the leakage circuit board When the leakage circuit board detects the leakage state, the leakage circuit board energizes the leakage tripping electromagnet, and the leakage tripping electromagnet generates magnetism, causing the tripping lever to strike the open-release tripping rod link, so that the tripping button is opened
  • the tripping linkage shaft drives the tripping linkage structure inside the circuit breaker to trip, realizing automatic opening.
  • the double-shaped profiled release brake has a bump on the incomplete gear, and one end of the open-release tripper link cooperates with the bump, and the other end is connected with the trip linkage structure inside the breaker body.
  • the linkage motor; the driving motor transmits power through the reduction gear set and the double-layer special-shaped retarding opening incomplete gear, the double-shaped special-shaped retarding opening and the incomplete gear rotates to the opening position, and the bump hits one end of the open-release tripping rod link,
  • the tripping linkage shaft at the other end of the open-release tripping rod drives the tripping linkage structure inside the circuit breaker to trip, thereby realizing automatic opening.
  • the double-layer profiled retarding incomplete gear comprises a partial gear portion and a full gear portion; the incomplete gear portion is coaxially fixedly connected with the full gear portion, and the incomplete gear portion and the interlocking shaft drive are closed. Incomplete gear meshing, the full gear portion meshes with the reduction gear set; and the side of the full gear portion facing away from the incomplete gear portion is provided with a bump.
  • the open-trip fastener link includes a first link and a second link; the first end of the first link is engaged with the protrusion, and the second end of the first link is connected with the second link
  • One end of the second connecting rod is fixedly connected; the second end of the second connecting rod is matched with a tripping lever, and the second end of the second connecting rod is provided with a tripping linkage shaft hole connected with the trip linkage structure inside the circuit breaker main body .
  • the reduction gear set includes a first reduction gear and a second reduction gear
  • the first reduction gear includes a coaxially arranged worm gear and a spur gear
  • the spur gear meshes with a second reduction gear
  • the two reduction gears mesh with the double-layer profiled retarding brakes.
  • the output shaft of the drive motor is formed as a worm that meshes with a worm gear on the first reduction gear.
  • the worm is a crosshead worm
  • the crosshead is disposed at an end away from the driving motor
  • the housing is provided with an opening for rotating the crosshead worm.
  • the double-shaped special-shaped retarding opening and closing gear is provided with a first gear position detecting sensor for detecting a closing and opening state;
  • the new miniature circuit breaker automatic opening and closing control mechanism further includes a first The gear position detecting sensor and the first gear position detecting circuit board electrically connected to the driving motor.
  • the linkage shaft driving closing incomplete gear is provided with a second gear position detecting sensor for detecting a closing and opening state;
  • the new miniature circuit breaker automatic opening and closing control mechanism further includes a second gear The position detecting sensor and the second gear position detecting circuit board electrically connected to the driving motor.
  • the present invention also provides a circuit breaker including a circuit breaker body, the circuit breaker further comprising the above-mentioned novel miniature circuit breaker automatic opening and closing control mechanism, wherein the other end of the open-release trip link passes through the trip linkage axis and The trip linkage structure inside the main body of the circuit breaker is connected.
  • the invention discloses a novel miniature circuit breaker automatic opening and closing control mechanism and a circuit breaker, which drives a reduction gear set and a double-layer special-shaped deceleration opening incomplete gear to transmit power through a driving motor; the double-layer shaped speed reduction opening and closing incomplete gear Rotate clockwise to drive the interlocking shaft to drive the closing of the incomplete gear to rotate counterclockwise, and then rotate the wrench linkage shaft to achieve closing; or the double-shaped profiled deceleration opens the incomplete gear and rotates clockwise.
  • the bump strikes one end of the open trip fastener link, so that the tripping linkage shaft at the other end of the open trip fastener link drives the trip linkage structure inside the circuit breaker to trip, thereby realizing the opening; when the leakage circuit board detects the leakage state The leakage circuit board energizes the leakage tripping electromagnet, and the leakage tripping electromagnet generates magnetism, and the tripping lever is struck against the open tripping tripbar link, so that the tripping linkage shaft on the open-release tripper link drives the interior of the circuit breaker The trip linkage structure is tripped to achieve automatic opening.
  • the new miniature circuit breaker automatic opening and closing control mechanism has a compact structure and a small volume, which is realized at 18 Multi-function automatic closing and opening control of the circuit breaker in the mm space.
  • FIG. 1 is a schematic structural view of an embodiment of a circuit breaker according to the present invention.
  • FIG. 2 is a schematic structural view of an embodiment of a novel miniature circuit breaker automatic opening and closing control mechanism according to the present invention
  • Figure 3 is a schematic view showing another structure of the embodiment of Figure 2;
  • Figure 4 is a schematic view showing another structure of the embodiment of Figure 2;
  • FIG. 5 is a schematic structural view of a hollow open-release fastener connecting rod of a novel small circuit breaker automatic opening and closing control mechanism according to the present invention
  • FIG. 6 is a schematic structural view of a crosshead worm in a novel small circuit breaker automatic opening and closing control mechanism according to the present invention
  • Figure 7 is a schematic view showing the appearance of the circuit breaker of the present invention.
  • first, second, and the like in the present invention are used for the purpose of description only, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • fixed may be a fixed connection, a detachable connection, or an integral; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. It may be the internal connection of two elements or the interaction of two elements unless explicitly defined otherwise.
  • specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the present invention provides a novel miniature circuit breaker automatic opening and closing control mechanism, as shown in FIGS. 1 to 6, in an embodiment of a novel miniature circuit breaker automatic opening and closing control mechanism of the present invention, the novel small open circuit
  • the automatic opening and closing control mechanism comprises: a housing 1, a driving motor fixed on the housing 1, a reduction gear set 3 rotatably disposed on the housing 1, and a double-layer profiled retarding incomplete gear 4,
  • the open-release tripper link 8 the interlocking shaft drive closing the incomplete gear 5, the wrench linkage shaft 6 connected to the linkage shaft drive closing incomplete gear 5, and the circuit breaker wrench 7 connected to the wrench linkage shaft 6, and
  • a trip lever 9 that cooperates with the open trip selector link 8, a leakage trip solenoid 91 that is disposed on the trip lever 9, and a leakage circuit board 92 that controls the leakage trip solenoid 91 to energize.
  • the driving motor 2 transmits power through the reduction gear set 3 and the double-layer special-shaped deceleration opening incomplete gear 4; the double-layer special-shaped deceleration opening and the incomplete gear 4 drives the linkage shaft to drive the closing of the incomplete gear 5 in the opening position and the closing position.
  • the brake incomplete gear 5 is disengaged, so that the linkage shaft drives the closing of the incomplete gear 5 to freely rotate, thereby realizing manual opening and closing.
  • the leakage circuit board 92 When the leakage circuit board 92 detects the leakage state, the leakage circuit board 92 energizes the leakage tripping electromagnet 91, and the leakage tripping electromagnet 91 generates magnetism, causing the tripping lever 9 to strike the open-release tripping rod 8 to make it empty.
  • the trip linkage shaft on the open trip fastener link 8 drives the trip linkage structure inside the circuit breaker to trip, thereby realizing automatic opening.
  • the driving motor 2 is electrically connected to a control circuit board (not shown) on the main body of the circuit breaker.
  • the driving motor 2 rotates in one direction according to a control command of the control circuit board, for example, forward rotation. Therefore, the reduction gear set 3 rotates, the reduction gear set 3 drives the double-shaped special-shaped deceleration opening, the incomplete gear 4 rotates clockwise, and the interlocking shaft drives the closing of the incomplete gear 5 to rotate counterclockwise, when the rotation is turned to In the gate position, the interlocking shaft drives the closing of the incomplete gear 5 to drive the wrench linkage shaft 6 to rotate, so that the circuit breaker wrench 7 is rotated in the closing direction to realize automatic closing.
  • control circuit board controls the rotation of the drive motor 2, and when the rotation is shifted to the double-layer profiled release brake, the incomplete gear 4 is disengaged from the linkage shaft drive closing the incomplete gear 5, and at this time, the linkage shaft drives the closing of the incomplete gear 5 relative to each other.
  • the incomplete gear 4 can be freely rotated within a certain range, so that the circuit breaker wrench 7 can be freely moved to realize manual opening and closing.
  • the leakage circuit board 92 controls the leakage tripping electromagnet 91 to be energized, and the leakage tripping electromagnet 91 after the energization generates magnetic force, so that The buckle lever 9 moves in the direction of the open release trip link 8 and strikes the open release trip link 8 so that the trip linkage shaft on the open release trip link 8 drives the trip linkage structure inside the breaker to trip. Realize automatic opening under leakage conditions.
  • the leakage circuit board 92 may be disposed separately from the control circuit board (not shown) on the main body of the circuit breaker, or may be integrally formed.
  • the novel miniature circuit breaker automatic opening and closing control mechanism can realize automatic opening and closing under overload, short circuit, under voltage and leakage conditions, and can realize functions such as manual opening and closing, through the reduction gear set 3 , double-layer special-shaped retarding opening and closing incomplete gear 4, open-opening tripper connecting rod 8, linkage shaft driving closing incomplete gear 5, connecting with the linkage shaft 6 of the linkage shaft driving closing incomplete gear 5 and connecting
  • the circuit breaker wrench 7 on the wrench linkage shaft 6 cooperates with each other, so that the automatic sectional opening and closing control mechanism of the new miniature circuit breaker has a simple and compact structure, good linkage and closing linkage, and fast closing speed; in the case of leakage current,
  • the electromagnetic mechanism realizes rapid breaking and strong breaking ability; realized at 18 Multi-function automatic closing and opening control of the circuit breaker in the mm space.
  • the double-shaped profiled retarding opening-completed gear 4 is provided with a bump 421, and one end of the open-release fastener link 8 is The bump 421 is matched, and the other end is connected with a trip linkage shaft connected to the trip linkage structure inside the circuit breaker main body; the drive motor 2 transmits power through the reduction gear set 3 and the double-layer special-shaped retarding brake incomplete gear 4, and the double-layer shaped Deceleration opens the incomplete gear 4, rotates clockwise, and the bump 421 strikes one end of the open trip fastener link 8, so that the tripping linkage shaft at the other end of the open trip fastener link 8 drives the trip linkage inside the circuit breaker The structure is tripped to achieve automatic opening.
  • the double-layer profiled retarding shutterless gear 4 includes a partial gear portion 41 and a full gear portion 42; an incomplete gear
  • the portion 41 is coaxially fixedly coupled to the full gear portion 41 that meshes with the interlocking shaft drive closing incomplete gear 5 that meshes with the reduction gear train 3.
  • the bump 421 is disposed on a side of the full gear portion 42 facing away from the incomplete gear portion 41.
  • the projection 421 is disposed at a position where the gear of the incomplete gear portion 41 is located, not in the same radial direction of the full gear portion 42, and when the projection 421 hits the open release link 8, the incomplete gear portion 41
  • the gear and the linkage shaft drive the closing of the incomplete gear 5 in a disengaged state.
  • the incomplete gear portion 41, the complete gear portion 42 and the bump 421 of the incomplete gear 4 are opened by the double-layer profile reduction to realize the transmission, opening and closing of the new miniature circuit breaker automatic opening and closing control mechanism.
  • the open release trip link 8 includes a first link 81 and a second link 82.
  • the first link first end 811 is mated with the protrusion 421, the first link second end 812 is fixedly connected with the second link first end 821; the second link first end 821 is tripped
  • the second connecting rod second end 822 is provided with a tripping linkage shaft hole 8221 connected to the trip interlocking structure inside the circuit breaker main body.
  • the reduction gear set 3 includes a first reduction gear 31 and a second reduction gear 32
  • the first reduction gear 31 includes The worm wheel 311 and the spur gear 312 are coaxially arranged, and the spur gear 312 is meshed with the second reduction gear 32, and the second reduction gear 32 meshes with the double-layer profile-type retarding brake-completed gear 4.
  • An output shaft of the drive motor 2 is formed as a crosshead worm 21, and the crosshead worm 21 meshes with a worm wheel 311 on the first reduction gear 31, and a crosshead of the crosshead worm 21 is disposed at an end away from the drive motor 2,
  • the housing 1 is provided with an opening 11 for rotating the crosshead worm 21.
  • the output shaft of the drive motor 2 is formed as a crosshead worm 21, and is connected to the drive motor 2.
  • a reduction gear 31 coaxially arranges the worm wheel 311 and the spur gear 312, or the first reduction gear 31 includes a helical gear and a spur gear 312 disposed coaxially, wherein the cross worm 21 meshes with the worm wheel 311 or the helical gear, the spur gear 312 and the The two reduction gears 32 mesh, so that a reliable transmission of power is achieved by the double-layer gear structure.
  • the crosshead worm 21 can be manually rotated through the opening 11 by the screwdriver, and then the reduction gear set 3 is driven to transmit power.
  • the double-shaped special-shaped deceleration opening brakes the incomplete gear 4 to realize manual unlocking, which avoids the failure to start normally under the locked state of the new miniature circuit breaker automatic opening and closing control mechanism, resulting in the problem that the opening and closing cannot be automatically controlled.
  • the double-shaped abnormal-shaped retarding opening-completed gear 4 is provided with a first gear for detecting a closing and opening state.
  • Position detecting sensor 43 Position detecting sensor 43.
  • the new miniature circuit breaker automatic opening and closing control mechanism further includes a first gear position detecting circuit board (not shown) electrically connected to the first gear position detecting sensor 43 and the driving motor 2.
  • the position of the gear can be detected more accurately, at the opening position or at the closing position, thereby more accurately controlling The driving motor 2 rotates, thereby controlling the operation of the double-layer profiled retarding opening of the incomplete gear 4.
  • the interlocking shaft drive closing incomplete gear 5 is provided with a second gear position detecting sensor 51 that detects a closing and opening state.
  • the new miniature circuit breaker automatic opening and closing control mechanism further includes a second gear position detecting circuit board (not shown) electrically connected to the second gear position detecting sensor 51 and the driving motor 2.
  • the first gear position detecting sensor 43 on the interlocking shaft drive closing incomplete gear 5, it is possible to more accurately detect the position where the gear is located, at the opening position or at the closing position, thereby more accurately controlling the driving.
  • the motor 2 rotates, thereby controlling the linkage shaft to drive the closing of the incomplete gear 5 to operate.
  • the first gear position detecting sensor 43 and the second gear position detecting sensor 51 are provided at least one; the first gear position detecting sensor 43 and the second gear position detecting sensor 51 may be used separately or in combination. Further, the first gear position detecting circuit board and the second gear position detecting circuit board may be integrally provided, or the first gear position detecting circuit board or the second gear position detecting circuit board may be disposed on the control circuit board of the circuit breaker main body (not shown in the figure), this reduces the components that constitute the automatic switching control mechanism of the new miniature circuit breaker, making the structure more compact. Of course, the first gear position detecting sensor 43 and the second gear position detecting sensor 51 are used in combination, so that the position of the gear rotation can be detected more accurately, and precise control of the opening and closing can be realized.
  • the present invention also provides a circuit breaker, as shown in FIG. 7, the circuit breaker includes a circuit breaker body, and the circuit breaker further includes the novel miniature circuit breaker automatic opening and closing control according to any one of claims 1 to 9.
  • the mechanism wherein the other end of the open-trip release link is connected to the trip linkage structure inside the circuit breaker main body through the trip linkage shaft; the circuit breaker is 18 A device for automatic closing and opening control of a circuit in a mm space.

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Abstract

小型断路器自动分合闸控制机构及断路器，其中，控制机构包括壳体（1）、驱动电机（2）、减速齿轮组（3）、双层异型减速分闸不完全齿轮（4）、空开脱扣器连杆（8）、联动轴驱动合闸不完全齿轮（5）、扳手联动轴（6）、脱扣拨杆（9）、漏电脱扣电磁铁（91）和漏电电路板（92）；驱动电机（2）带动不完全齿轮（4）和不完全齿轮（5）转动，实现合闸；不完全齿轮（4）上的凸块（421）撞击空开脱扣器连杆（8）的一端，实现分闸。在漏电状态下，漏电脱扣电磁铁（91）通电产生磁性，带动脱扣拨杆（9）撞击空开脱扣器连杆（8），实现自动分闸。该控制机构结构紧凑，能够在18mm空间内对断路器进行多功能自动分合闸控制。

Description

新型小型断路器自动分合闸控制机构及断路器
技术领域
本发明涉及低压电器保护技术领域，尤其涉及一种新型小型断路器自动分合闸控制机构及断路器。
背景技术
断路器按其使用范围分为高压断路器和低压断路器。低压断路器又称自动开关，它是一种既有手动开关作用，又能自动进行失压、欠压、过载、和短路保护的电器。它可用来分配电能，不频繁地启动异步电动机，对电源线路及电动机等实行保护，当它们发生严重的过载或者短路及欠压等故障时能自动切断电路，其功能相当于熔断器式开关与过欠热继电器等的组合，而且在分断故障电流后一般不需要变更零部件，已获得了广泛的应用。对于漏电状态下，采用电磁机构，相比电机操作机构，具有更快的分断速度和分断能力，但是电磁机构在合闸时，必须通过线圈长时间通电来保持动静铁芯吸合，从而耗费大量电能，而且现有的电磁机构，体积较大，只对漏电状态下进行断电保护，无法实现多功能分合闸操作控制。
发明内容
本发明的主要目的在于提供一种新型小型断路器自动分合闸控制机构及断路器，旨在解决现有技术中断路器无法实现多功能分合闸操作控制的技术问题。
为实现上述目的，本发明实施例提供一种新型小型断路器自动分合闸控制机构，所述新型小型断路器自动分合闸控制机构包括：壳体、固定在壳体上的驱动电机、可转动地设置在壳体上的减速齿轮组、双层异型减速分闸不完全齿轮、空开脱扣器连杆、联动轴驱动合闸不完全齿轮和连接在联动轴驱动合闸不完全齿轮上的扳手联动轴，以及与空开脱扣器连杆配合的脱扣拨杆、设置在脱扣拨杆上的漏电脱扣电磁铁和控制漏电脱扣电磁铁通电的漏电电路板；
驱动电机通过减速齿轮组与双层异型减速分闸不完全齿轮进行动力传递；双层异型减速分闸不完全齿轮带动联动轴驱动合闸不完全齿轮在分闸位和合闸位之间往返转动，进而旋转扳手联动轴，实现自动分合闸；驱动电机转动，当双层异型减速分闸不完全齿轮与联动轴驱动合闸不完全齿轮脱离，使得联动轴驱动合闸不完全齿轮自由转动，实现手动分合闸；
当漏电电路板检测到漏电状态时，漏电电路板使漏电脱扣电磁铁通电，漏电脱扣电磁铁产生磁性，带动脱扣拨杆撞击空开脱扣器连杆，使得空开脱扣器连杆上的脱扣联动轴带动断路器内部的脱扣联动结构脱扣，实现自动分闸。
可选地，所述双层异型减速分闸不完全齿轮上设置有凸块，空开脱扣器连杆的一端与凸块配合，另一端与断路器主体内部的脱扣联动结构连接的脱扣联动轴；驱动电机通过减速齿轮组与双层异型减速分闸不完全齿轮进行动力传递，双层异型减速分闸不完全齿轮旋转到分闸位，凸块撞击空开脱扣器连杆的一端，使得空开脱扣器连杆另一端的脱扣联动轴带动断路器内部的脱扣联动结构脱扣，实现自动分闸。
可选地，所述双层异型减速分闸不完全齿轮包括不完全齿轮部和完全齿轮部；不完全齿轮部与完全齿轮部同轴固定连接，所述不完全齿轮部与联动轴驱动合闸不完全齿轮啮合，所述完全齿轮部与减速齿轮组啮合；所述完全齿轮部背离不完全齿轮部一侧设置有凸块。
可选地，所述空开脱扣器连杆包括第一连杆和第二连杆；所述第一连杆第一端与凸块配合，第一连杆第二端与第二连杆第一端固定连接；所述第二连杆第一端与脱扣拨杆配合，所述第二连杆第二端上设置有与断路器主体内部的脱扣联动结构连接的脱扣联动轴孔。
可选地，所述减速齿轮组包括第一减速齿轮和第二减速齿轮，所述第一减速齿轮包括同轴布置的蜗轮和直齿轮，所述直齿轮与第二减速齿轮啮合，所述第二减速齿轮与双层异型减速分闸不完全齿轮啮合。
可选地，所述驱动电机的输出轴形成为蜗杆，所述蜗杆与第一减速齿轮上的蜗轮啮合。
可选地，所述蜗杆为十字头蜗杆，所述十字头设置在远离驱动电机一端，所述壳体上设置有用于转动十字头蜗杆对应的开孔。
可选地，所述双层异型减速分闸不完全齿轮上设置有检测合闸和分闸状态的第一齿轮位置检测传感器；所述新型小型断路器自动分合闸控制机构还包括与第一齿轮位置检测传感器和驱动电机电性连接的第一齿轮位置检测电路板。
可选地，所述联动轴驱动合闸不完全齿轮上设置有检测合闸和分闸状态的第二齿轮位置检测传感器；所述新型小型断路器自动分合闸控制机构还包括与第二齿轮位置检测传感器和驱动电机电性连接的第二齿轮位置检测电路板。
本发明还提供一种断路器，包括断路器主体，所述断路器还包括上述的新型小型断路器自动分合闸控制机构，其中，空开脱扣器连杆的另一端通过脱扣联动轴与断路器主体内部的脱扣联动结构连接。
本发明公开了一种新型小型断路器自动分合闸控制机构及断路器，通过驱动电机带动减速齿轮组与双层异型减速分闸不完全齿轮进行动力传递；双层异型减速分闸不完全齿轮，向顺时针方向旋转，带动联动轴驱动合闸不完全齿轮向逆时针方向旋转转动，进而旋转扳手联动轴，实现合闸；或者双层异型减速分闸不完全齿轮，向顺时针方向旋转，凸块撞击空开脱扣器连杆的一端，使得空开脱扣器连杆另一端的脱口联动轴带动断路器内部的脱扣联动结构脱扣，实现分闸；当漏电电路板检测到漏电状态时，漏电电路板使漏电脱扣电磁铁通电，漏电脱扣电磁铁产生磁性，带动脱扣拨杆撞击空开脱扣器连杆，使得空开脱扣器连杆上的脱扣联动轴带动断路器内部的脱扣联动结构脱扣，实现自动分闸。该新型小型断路器自动分合闸控制机构结构紧凑，体积小，实现了在18 mm空间内对断路器进行多功能自动合闸和分闸的控制。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本发明断路器的一实施例的结构示意图；
图2为本发明新型小型断路器自动分合闸控制机构一实施例的结构示意图；
图3为图2实施例的另一结构示意图；
图4为图2实施例的又一结构示意图；
图5为本发明新型小型断路器自动分合闸控制机构中空开脱扣器连杆的结构示意图；
图6为本发明新型小型断路器自动分合闸控制机构中十字头蜗杆的结构示意图；
图7为本发明断路器外观结构示意图。
附图标号说明：
标号 名称 标号 名称
1 壳体 2 驱动电机
3 减速齿轮组 4 双层异型减速分闸不完全齿轮
5 联动轴驱动合闸不完全齿轮 6 扳手联动轴
7 断路器扳手 8 空开脱扣器连杆
9 脱扣拨杆 11 开孔
21 十字头蜗杆 31 第一减速齿轮
311 蜗轮 312 直齿轮
32 第二减速齿轮 41 不完全齿轮部
42 完全齿轮部 421 凸块
43 第一齿轮位置检测传感器 51 第二齿轮位置检测传感器
81 第一连杆 82 第二连杆
811 第一连杆第一端 812 第一连杆第二端
821 第二连杆第一端 822 第二连杆第二端
8221 脱扣联动轴孔 91 漏电脱扣电磁铁
92 漏电电路板
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
在本发明中，除非另有明确的规定和限定，术语“连接”、“固定”
等应做广义理解，例如，“固定”可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
另外，本发明各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明提供一种新型小型断路器自动分合闸控制机构，如图1至6所示，在本发明一种新型小型断路器自动分合闸控制机构的一实施例中，所述新型小型断路器自动分合闸控制机构包括：壳体1、固定在壳体1上的驱动电机2、可转动地设置在壳体1上的减速齿轮组3、双层异型减速分闸不完全齿轮4、空开脱扣器连杆8、联动轴驱动合闸不完全齿轮5、连接在联动轴驱动合闸不完全齿轮5上的扳手联动轴6和连接在扳手联动轴6上的断路器扳手7，以及与空开脱扣器连杆8配合的脱扣拨杆9、设置在脱扣拨杆9上的漏电脱扣电磁铁91和控制漏电脱扣电磁铁91通电的漏电电路板92。
驱动电机2通过减速齿轮组3与双层异型减速分闸不完全齿轮4进行动力传递；双层异型减速分闸不完全齿轮4带动联动轴驱动合闸不完全齿轮5在分闸位和合闸位之间往返转动，进而旋转扳手联动轴6，带动断路器扳手7向合闸方向转动，实现自动分合闸；驱动电机2转动，当双层异型减速分闸不完全齿轮4与联动轴驱动合闸不完全齿轮5脱离，使得联动轴驱动合闸不完全齿轮5自由转动，实现手动分合闸。
当漏电电路板92检测到漏电状态时，漏电电路板92使漏电脱扣电磁铁91通电，漏电脱扣电磁铁91产生磁性，带动脱扣拨杆9撞击空开脱扣器连杆8，使得空开脱扣器连杆8上的脱扣联动轴带动断路器内部的脱扣联动结构脱扣，实现自动分闸。
上述驱动电机2电连接断路器主体上的控制电路板（图中未示出），当断路器处在分闸状态时，驱动电机2根据控制电路板的控制指令在一个方向转动，例如正转，从而，减速齿轮组3转动，减速齿轮组3带动双层异型减速分闸不完全齿轮4向顺时针方向旋转，进而联动轴驱动合闸不完全齿轮5向逆时针方向转动，当转动到合闸位时，联动轴驱动合闸不完全齿轮5带动扳手联动轴6转动，从而使得断路器扳手7向合闸方向转动，实现自动合闸。
再者，控制电路板控制驱动电机2转动，当转动到双层异型减速分闸不完全齿轮4与联动轴驱动合闸不完全齿轮5脱离，此时，联动轴驱动合闸不完全齿轮5相对于双层异型减速分闸不完全齿轮4可以在一定范围内自由转动，从而断路器扳手7可以自由活动，实现手动分合闸。
当设置有新型小型断路器自动分合闸控制机构的断路器连接电路出现漏电状况时，漏电电路板92控制漏电脱扣电磁铁91通电，通电之后的漏电脱扣电磁铁91产生磁性，使得脱扣拨杆9向空开脱扣器连杆8方向移动，撞击空开脱扣器连杆8，使得空开脱扣器连杆8上的脱扣联动轴带动断路器内部的脱扣联动结构脱扣，实现在漏电状况下自动分闸。其中，漏电电路板92可以与断路器主体上的控制电路板（图中未示出）分开设置，也可以一体成型设置。
如上所述的，该新型小型断路器自动分合闸控制机构能够实现在过载、短路、欠电压、漏电状况下，自动分合闸，且可以实现手动分合闸等功能，通过减速齿轮组3、双层异型减速分闸不完全齿轮4、空开脱扣器连杆8、联动轴驱动合闸不完全齿轮5、连接在联动轴驱动合闸不完全齿轮5上的扳手联动轴6和连接在扳手联动轴6上的断路器扳手7之间相互配合，使得该新型小型断路器自动分合闸控制机构结构简单紧凑、分合闸联动性好，分合闸速度快；在漏电状况下，通过电磁机构实现分断迅速、分断能力强；实现了在18 mm空间内对断路器进行多功能自动合闸和分闸的控制。
进一步地，在本发明新型小型断路器自动分合闸控制机构的另一实施例中，双层异型减速分闸不完全齿轮4上设置有凸块421，空开脱扣器连杆8的一端与凸块421配合，另一端与断路器主体内部的脱扣联动结构连接的脱扣联动轴；驱动电机2通过减速齿轮组3与双层异型减速分闸不完全齿轮4进行动力传递，双层异型减速分闸不完全齿轮4，向顺时针方向旋转，凸块421撞击空开脱扣器连杆8的一端，使得空开脱扣器连杆8另一端的脱口联动轴带动断路器内部的脱扣联动结构脱扣，实现自动分闸。
而当设置有所述新型小型断路器自动分合闸控制机构的断路器检测到连接电路不处于正常使用范围时，驱动电机2根据控制电路板的控制指令进一步转动时，当到达分闸位时，双层异型减速分闸不完全齿轮4上设置的凸块421撞击到空开脱扣器连杆8的一端以带动空开脱扣器连杆8转动，此时，空开脱扣器连杆8的另一端上的脱扣联动轴将带动断路器主体内部的脱扣联动结构脱扣，使得断路器自动分闸，达到保护电路的作用。
进一步地，在本发明新型小型断路器自动分合闸控制机构的另一实施例中，所述双层异型减速分闸不完全齿轮4包括不完全齿轮部41和完全齿轮部42；不完全齿轮部41与完全齿轮部42同轴固定连接，所述不完全齿轮部41与联动轴驱动合闸不完全齿轮5啮合，所述完全齿轮部42与减速齿轮组3啮合。所述凸块421设置于完全齿轮部42背离不完全齿轮部41一侧。
凸块421设置位置与不完全齿轮部41中齿轮所处的位置，不在完全齿轮部42的同一径向上，并且在所述凸块421撞击空开脱扣器连杆8时，不完全齿轮部41的齿轮与联动轴驱动合闸不完全齿轮5处于脱离状态。
如此，通过双层异型减速分闸不完全齿轮4的不完全齿轮部41、完全齿轮部42和凸块421，实现新型小型断路器自动分合闸控制机构的传动、分闸、合闸一些列功能。
进一步地，在本发明新型小型断路器自动分合闸控制机构的另一实施例中，如图5所示，所述空开脱扣器连杆8包括第一连杆81和第二连杆82；所述第一连杆第一端811与凸块421配合，第一连杆第二端812与第二连杆第一端821固定连接；所述第二连杆第一端821与脱扣拨杆9配合，所述第二连杆第二端822上设置有与断路器主体内部的脱扣联动结构连接的脱扣联动轴孔8221。
通过同一空开脱扣器连杆8实现机械传动的分闸、合闸和漏电状态下电磁机构的分闸，简化了组成部件的结构，使得新型小型断路器自动分合闸控制机构的结构更加紧凑，体积更小。
进一步地，在本发明新型小型断路器自动分合闸控制机构的另一实施例中，所述减速齿轮组3包括第一减速齿轮31和第二减速齿轮32，所述第一减速齿轮31包括同轴布置的蜗轮311和直齿轮312，所述直齿轮312与第二减速齿轮32啮合，所述第二减速齿轮32与双层异型减速分闸不完全齿轮4啮合。所述驱动电机2的输出轴形成为十字头蜗杆21，所述十字头蜗杆21与第一减速齿轮31上的蜗轮311啮合，所述十字头蜗杆21的十字头设置在远离驱动电机2一端，所述壳体1上设置有用于转动十字头蜗杆21对应的开孔11。
在驱动电机2通过减速齿轮组3进行动力传递的一种结构形式中，为了使结构更紧凑，占用空间小，驱动电机2的输出轴形成为十字头蜗杆21，而与驱动电机2连接的第一减速齿轮31同轴布置蜗轮311和直齿轮312，或者第一减速齿轮31包括同轴布置的斜齿轮和直齿轮312，其中十字头蜗杆21与蜗轮311或者斜齿轮啮合，直齿轮312与第二减速齿轮32啮合，如此，通过双层齿轮结构，实现动力的可靠传递。
当停电或者出现新型小型断路器自动分合闸控制机构中机械传动组件锁死的状态下，可通过螺丝刀穿过开孔11手动旋转十字头蜗杆21，进而带动减速齿轮组3进行动力传递，进而带动双层异型减速分闸不完全齿轮4转动，实现手动解锁，避免在新型小型断路器自动分合闸控制机构锁死状态下无法正常启动，造成无法自动控制开合闸的问题。
可选地，在本发明新型小型断路器自动分合闸控制机构的另一实施例中，所述双层异型减速分闸不完全齿轮4上设置有检测合闸和分闸状态的第一齿轮位置检测传感器43。所述新型小型断路器自动分合闸控制机构还包括与第一齿轮位置检测传感器43和驱动电机2电性连接的第一齿轮位置检测电路板（图中未示出）。
通过在双层异型减速分闸不完全齿轮4上设置第一齿轮位置检测传感器43，从而可以更加准确的检测到齿轮所处的位置，处于分闸位或者处于合闸位，从而更加准确的控制驱动电机2转动，进而控制双层异型减速分闸不完全齿轮4运行。
所述联动轴驱动合闸不完全齿轮5上设置有检测合闸和分闸状态的第二齿轮位置检测传感器51。所述新型小型断路器自动分合闸控制机构还包括与第二齿轮位置检测传感器51和驱动电机2电性连接的第二齿轮位置检测电路板（图中未示出）。
通过在联动轴驱动合闸不完全齿轮5上设置第一齿轮位置检测传感器43，从而可以更加准确的检测到齿轮所处的位置，处于分闸位或者处于合闸位，从而更加准确的控制驱动电机2转动，进而控制联动轴驱动合闸不完全齿轮5运行。
上述第一齿轮位置检测传感器43和第二齿轮位置检测传感器51至少设置一个；所述第一齿轮位置检测传感器43和第二齿轮位置检测传感器51可以单独设置使用，也可以两者均设置联合使用，进而，第一齿轮位置检测电路板和第二齿轮位置检测电路板也可以设置为一体，或者第一齿轮位置检测电路板或者第二齿轮位置检测电路板设置在断路器主体上的控制电路板（图中未示出）上，这样，减少了构成新型小型断路器自动分合闸控制机构的零部件，使得结构更加紧凑。当然，第一齿轮位置检测传感器43和第二齿轮位置检测传感器51联合使用，可以更加准确的检测齿轮转动的位置，实现对分合闸的精确控制。
本发明还提供一种断路器，如图7所示，该断路器包括断路器主体，所述断路器还包括如权利要求1至9任一项所述的新型小型断路器自动分合闸控制机构，其中，空开脱扣器连杆的另一端通过脱扣联动轴与断路器主体内部的脱扣联动结构连接；该断路器为18 mm空间内对电路实现自动合闸和分闸控制的装置。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (20)

  1. 一种新型小型断路器自动分合闸控制机构，其特征在于，所述新型小型断路器自动分合闸控制机构包括：壳体、固定在壳体上的驱动电机、可转动地设置在壳体上的减速齿轮组、双层异型减速分闸不完全齿轮、空开脱扣器连杆、联动轴驱动合闸不完全齿轮和连接在联动轴驱动合闸不完全齿轮上的扳手联动轴，以及与空开脱扣器连杆配合的脱扣拨杆、设置在脱扣拨杆上的漏电脱扣电磁铁和控制漏电脱扣电磁铁通电的漏电电路板；
    驱动电机通过减速齿轮组与双层异型减速分闸不完全齿轮进行动力传递；双层异型减速分闸不完全齿轮带动联动轴驱动合闸不完全齿轮在分闸位和合闸位之间往返转动，进而旋转扳手联动轴，实现自动分合闸；驱动电机转动，当双层异型减速分闸不完全齿轮与联动轴驱动合闸不完全齿轮脱离，使得联动轴驱动合闸不完全齿轮自由转动，实现手动分合闸；
    当漏电电路板检测到漏电状态时，漏电电路板使漏电脱扣电磁铁通电，漏电脱扣电磁铁产生磁性，带动脱扣拨杆撞击空开脱扣器连杆，使得空开脱扣器连杆上的脱扣联动轴带动断路器内部的脱扣联动结构脱扣，实现自动分闸。
  2. 如权利要求1所述的新型小型断路器自动分合闸控制机构，其特征在于，所述双层异型减速分闸不完全齿轮包括不完全齿轮部和完全齿轮部；不完全齿轮部与完全齿轮部同轴固定连接，所述不完全齿轮部与联动轴驱动合闸不完全齿轮啮合，所述完全齿轮部与减速齿轮组啮合；所述完全齿轮部背离不完全齿轮部一侧设置有凸块。
  3. 如权利要求1所述的新型小型断路器自动分合闸控制机构，其特征在于，所述空开脱扣器连杆包括第一连杆和第二连杆；所述第一连杆第一端与凸块配合，第一连杆第二端与第二连杆第一端固定连接；所述第二连杆第一端与脱扣拨杆配合，所述第二连杆第二端上设置有与断路器主体内部的脱扣联动结构连接的脱扣联动轴孔。
  4. 如权利要求1所述的新型小型断路器自动分合闸控制机构，其特征在于，所述联动轴驱动合闸不完全齿轮上设置有检测合闸和分闸状态的第二齿轮位置检测传感器；所述新型小型断路器自动分合闸控制机构还包括与第二齿轮位置检测传感器和驱动电机电性连接的第二齿轮位置检测电路板。
  5. 如权利要求1所述的新型小型断路器自动分合闸控制机构，其特征在于，所述双层异型减速分闸不完全齿轮上设置有凸块，空开脱扣器连杆的一端与凸块配合，另一端与断路器主体内部的脱扣联动结构连接的脱扣联动轴；驱动电机通过减速齿轮组与双层异型减速分闸不完全齿轮进行动力传递，双层异型减速分闸不完全齿轮旋转到分闸位，凸块撞击空开脱扣器连杆的一端，使得空开脱扣器连杆另一端的脱扣联动轴带动断路器内部的脱扣联动结构脱扣，实现自动分闸。
  6. 如权利要求5所述的新型小型断路器自动分合闸控制机构，其特征在于，所述双层异型减速分闸不完全齿轮包括不完全齿轮部和完全齿轮部；不完全齿轮部与完全齿轮部同轴固定连接，所述不完全齿轮部与联动轴驱动合闸不完全齿轮啮合，所述完全齿轮部与减速齿轮组啮合；所述完全齿轮部背离不完全齿轮部一侧设置有凸块。
  7. 如权利要求5所述的新型小型断路器自动分合闸控制机构，其特征在于，所述空开脱扣器连杆包括第一连杆和第二连杆；所述第一连杆第一端与凸块配合，第一连杆第二端与第二连杆第一端固定连接；所述第二连杆第一端与脱扣拨杆配合，所述第二连杆第二端上设置有与断路器主体内部的脱扣联动结构连接的脱扣联动轴孔。
  8. 如权利要求1所述的新型小型断路器自动分合闸控制机构，其特征在于，所述减速齿轮组包括第一减速齿轮和第二减速齿轮，所述第一减速齿轮包括同轴布置的蜗轮和直齿轮，所述直齿轮与第二减速齿轮啮合，所述第二减速齿轮与双层异型减速分闸不完全齿轮啮合。
  9. 如权利要求8所述的新型小型断路器自动分合闸控制机构，其特征在于，所述驱动电机的输出轴形成为蜗杆，所述蜗杆与第一减速齿轮上的蜗轮啮合。
  10. 如权利要求9所述的新型小型断路器自动分合闸控制机构，其特征在于，所述蜗杆为十字头蜗杆，所述十字头设置在远离驱动电机一端，所述壳体上设置有用于转动十字头蜗杆对应的开孔。
  11. 如权利要求1所述的新型小型断路器自动分合闸控制机构，其特征在于，所述双层异型减速分闸不完全齿轮上设置有检测合闸和分闸状态的第一齿轮位置检测传感器；所述新型小型断路器自动分合闸控制机构还包括与第一齿轮位置检测传感器和驱动电机电性连接的第一齿轮位置检测电路板。
  12. 如权利要求11所述的新型小型断路器自动分合闸控制机构，其特征在于，所述联动轴驱动合闸不完全齿轮上设置有检测合闸和分闸状态的第二齿轮位置检测传感器；所述新型小型断路器自动分合闸控制机构还包括与第二齿轮位置检测传感器和驱动电机电性连接的第二齿轮位置检测电路板。
  13. 一种断路器，包括断路器主体，其特征在于，所述断路器还包括如权利要求1所述的新型小型断路器自动分合闸控制机构，其中，空开脱扣器连杆的另一端通过脱扣联动轴与断路器主体内部的脱扣联动结构连接。
  14. 如权利要求13所述的断路器，其特征在于，所述新型小型断路器自动分合闸控制机构中所述双层异型减速分闸不完全齿轮包括不完全齿轮部和完全齿轮部；不完全齿轮部与完全齿轮部同轴固定连接，所述不完全齿轮部与联动轴驱动合闸不完全齿轮啮合，所述完全齿轮部与减速齿轮组啮合；所述完全齿轮部背离不完全齿轮部一侧设置有凸块。
  15. 如权利要求13所述的断路器，其特征在于，所述新型小型断路器自动分合闸控制机构中所述空开脱扣器连杆包括第一连杆和第二连杆；所述第一连杆第一端与凸块配合，第一连杆第二端与第二连杆第一端固定连接；所述第二连杆第一端与脱扣拨杆配合，所述第二连杆第二端上设置有与断路器主体内部的脱扣联动结构连接的脱扣联动轴孔。
  16. 如权利要求13所述的断路器，其特征在于，所述新型小型断路器自动分合闸控制机构中所述联动轴驱动合闸不完全齿轮上设置有检测合闸和分闸状态的第二齿轮位置检测传感器；所述新型小型断路器自动分合闸控制机构还包括与第二齿轮位置检测传感器和驱动电机电性连接的第二齿轮位置检测电路板。
  17. 如权利要求13所述的断路器，其特征在于，所述新型小型断路器自动分合闸控制机构中所述双层异型减速分闸不完全齿轮上设置有凸块，空开脱扣器连杆的一端与凸块配合，另一端与断路器主体内部的脱扣联动结构连接的脱扣联动轴；驱动电机通过减速齿轮组与双层异型减速分闸不完全齿轮进行动力传递，双层异型减速分闸不完全齿轮旋转到分闸位，凸块撞击空开脱扣器连杆的一端，使得空开脱扣器连杆另一端的脱扣联动轴带动断路器内部的脱扣联动结构脱扣，实现自动分闸。
  18. 如权利要求13所述的断路器，其特征在于，所述新型小型断路器自动分合闸控制机构中所述减速齿轮组包括第一减速齿轮和第二减速齿轮，所述第一减速齿轮包括同轴布置的蜗轮和直齿轮，所述直齿轮与第二减速齿轮啮合，所述第二减速齿轮与双层异型减速分闸不完全齿轮啮合。
  19. 如权利要求18所述的断路器，其特征在于，所述新型小型断路器自动分合闸控制机构中所述驱动电机的输出轴形成为蜗杆，所述蜗杆与第一减速齿轮上的蜗轮啮合。
  20. 如权利要求19所述的断路器，其特征在于，所述新型小型断路器自动分合闸控制机构中所述蜗杆为十字头蜗杆，所述十字头设置在远离驱动电机一端，所述壳体上设置有用于转动十字头蜗杆对应的开孔。
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