Driving device and change-over switch
By cooperating with the magnetic yoke assembly and the reset component, the excitation drive wheel is driven to achieve stable reset in the electrical equipment, which solves the jamming problem caused by untimely reset and ensures the stable operation and miniaturized design of the changeover switch.
Patent Information
- Application Number
- CN202520278878.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-20
AI Technical Summary
In electrical equipment, if the electromagnetic drive mechanism fails to reset in a timely or proper manner during operation, it may cause jamming, affecting the normal operation of the equipment. Increasing the length of the lever to solve this problem would increase the size and cost of the components.
The magnetic yoke assembly drives the moving iron core assembly, and the reset component drives the excitation drive wheel from the initial position to the closed position. After the driving force is removed, it is reset to the initial position to avoid jamming and ensure the stable operation of the transfer switch.
It achieves stable reset of the excitation drive wheel, avoids jamming, ensures stable operation of the changeover switch, and meets the requirements of miniaturization and lightweight design.
Smart Images
Figure CN223679992U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrical equipment technical field, specifically, a kind of driving device and change-over switch. BACKGROUND
[0002] At present in electrical equipment, electromagnetic drive mechanism is usually provided to realize the connection or cut-off of power supply, however, in the movement process of electromagnetic drive mechanism, the component for driving the movement of moving contact device will be jammed with driving lever due to the non-timely reset or the reset not in place, thereby affecting the normal operation of electrical equipment. If the problem is solved by increasing the length of lever, it will increase the size of components, and further lead to the increase of product size, which obviously does not meet the development trend of miniaturization and light weight. SUMMARY
[0003] The utility model aims at providing a kind of driving device and change-over switch, which can avoid the jamming of excitation drive wheel due to the non-timely reset or the reset not in place, and ensure the stable operation of change-over switch.
[0004] The embodiment of the utility model is realized as follows:
[0005] In the first aspect, the utility model provides a kind of driving device, comprising:
[0006] mounting member;
[0007] magnetic yoke assembly, the magnetic yoke assembly is arranged in the mounting member;
[0008] excitation drive wheel, the excitation drive wheel is pivotally arranged in the mounting member;
[0009] moving iron core assembly, the moving iron core assembly is movably arranged in the magnetic yoke assembly, and is used to drive the excitation drive wheel to move to normal power closing position or standby power closing position under the drive of the magnetic yoke assembly, to drive moving contact device switching;
[0010] reset member, one end of the reset member is connected with the mounting member, the other end is connected with the excitation drive wheel, the reset member is used to drive the excitation drive wheel to reset to initial position, and the initial position is between the normal power closing position and the normal power closing position.
[0011] In the optional embodiment, the moving iron core assembly includes first moving iron core member and second moving iron core member, and the excitation drive wheel is located between the first moving iron core member and the second moving iron core member;
[0012] The first moving iron core member is used to drive the excitation driving wheel to rotate in a first direction to the normal power closing position, the second moving iron core member is used to drive the excitation driving wheel to rotate in a second direction to the standby power closing position, and the reset member is used to drive the excitation driving wheel to reset from the normal power closing position to a first initial position of the initial position in the second direction when the excitation driving wheel is in the normal power closing position and the force of the first moving iron core member on the excitation driving wheel is removed, or to drive the excitation driving wheel to reset to a second initial position of the initial position in the first direction when the excitation driving wheel is in the standby power closing position and the force of the second moving iron core member on the excitation driving wheel is removed.
[0013] The first direction and the second direction are opposite directions.
[0014] In an optional embodiment, the excitation driving wheel is provided with a first shifting part and a second shifting part, an end of the first moving iron core member is provided with a first shifting rod, the first shifting rod is in abutment with the first shifting part and drives the excitation driving wheel to rotate in the first direction.
[0015] An end of the second moving iron core member is provided with a second shifting rod, the second shifting rod is in abutment with the second shifting part and drives the excitation driving wheel to rotate in the second direction.
[0016] In an optional embodiment, the first moving iron core member is further provided with a first moving iron core and a first moving iron core pull rod connected with each other, the second moving iron core member is further provided with a second moving iron core and a second moving iron core pull rod connected with each other, and the first moving iron core and the second moving iron core are telescopically arranged in the magnetic yoke assembly.
[0017] The magnetic yoke assembly is used to drive the first moving iron core to retract and drive the excitation driving wheel to be in the normal power closing position, or to drive the second moving iron core to retract and drive the excitation driving wheel to be in the standby power closing position.
[0018] When the excitation driving wheel is in the first initial position, a vertical distance from the second shifting part to the second moving iron core pull rod is a first distance, and when the excitation driving wheel is in the normal power closing position, a vertical distance from the second shifting part to the second moving iron core pull rod is a second distance, and the first distance is less than the second distance.
[0019] When the excitation driving wheel is in the second initial position, a vertical distance from the first shifting part to the first moving iron core pull rod is a third distance, and when the excitation driving wheel is in the standby power closing position, a vertical distance from the first shifting part to the first moving iron core pull rod is a fourth distance, and the third distance is less than the fourth distance.
[0020] In an optional embodiment, the first moving iron core member and the second moving iron core member are symmetrically distributed with respect to a connecting point of the reset member and the mounting member and a line connecting the rotation shaft axis of the excitation driving wheel.
[0021] In an optional embodiment, the reset member is connected to a symmetric center position of the excitation driving wheel.
[0022] In an optional embodiment, the reset member is a spring, and in a state where the excitation driving wheel is located at the normal power closing position or the standby power closing position, the reset member is in a stretched state.
[0023] In an optional embodiment, the excitation driving wheel is used to be connected with the moving contact device to drive the moving contact device to switch.
[0024] In an optional embodiment, the driving device further comprises a mechanism driving wheel, the mechanism driving wheel is engaged with the excitation driving wheel, and the mechanism driving wheel is used to be connected with the moving contact device through the energy storage spring device to drive the moving contact device to switch.
[0025] In a second aspect, the utility model provides a change-over switch, including the driving device of any preceding embodiment.
[0026] The driving device and the change-over switch provided by the utility model embodiment have the following beneficial effects: the magnetic yoke assembly drives the moving iron core assembly to move, so that the excitation driving wheel is driven by the moving iron core assembly to move from the initial position to the normal power closing position or the standby power closing position, thereby realizing the switching action of the moving contact device driven by the excitation driving wheel; and after the driving force of the magnetic yoke assembly on the moving iron core assembly is removed, the reset member drives the moving iron core assembly to move from the closing position to the initial position again, so that when switching is needed, the magnetic yoke assembly drives the moving iron core assembly to move again, so as to drive the excitation driving wheel to move from the initial position to the standby power closing position or the normal power closing position, thereby realizing the switching action of the moving contact device driven by the excitation driving wheel. Thus, the excitation driving wheel is prevented from being stuck due to untimely or inaccurate resetting, and stable operation of the change-over switch is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0028] Figure 1The driving device structure schematic diagram provided by the utility model for the embodiment;
[0029] Figure 2 The driving device structure schematic diagram provided by the utility model for the embodiment;
[0030] Figure 3 The driving device structure schematic diagram provided by the utility model for the embodiment;
[0031] Figure 4 The driving device structure schematic diagram provided by the utility model for the embodiment;
[0032] Figure 5 The driving device structure schematic diagram provided by the utility model for the embodiment;
[0033] Figure 6 The driving device structure schematic diagram provided by the utility model for the embodiment.
[0034] Icon: 10-driving device;100-mounting piece;200-magnetic yoke assembly;300-excitation driving wheel;310-first toggle part;320-second toggle part;400-moving iron core assembly;410-first moving iron core piece;411-first toggle lever;412-first moving iron core;413-first moving iron core pull rod;420-second moving iron core piece;421-second toggle lever;422-second moving iron core;423-second moving iron core pull rod;500-resetting piece;600-mechanism driving wheel. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.
[0036] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.
[0037] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0038] In the description of the utility model, it needs to be explained that the directions or position relations indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, or the directions or position relations in which the utility model product is usually placed during use, and are merely for the convenience of describing the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are merely used for distinguishing the description, and cannot be understood as indicating or implying relative importance.
[0039] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" merely means that it is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0040] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.
[0041] At present, in electrical equipment, an electromagnetic driving mechanism is usually provided to realize the connection or disconnection of the power supply. However, during the movement of the electromagnetic driving mechanism, the components for driving the moving contact device to move will be stuck due to the untimely or incomplete reset, thereby affecting the normal operation of the electrical equipment. Although increasing the length of the lever and other methods can solve the above problems, the size of the parts is also increased, thereby increasing the size of the product and the production cost.
[0042] Based on the above problems, please refer to Figure 1 The utility model embodiment provides a kind of driving device 10, applied to electrical equipment, especially suitable for dual power transfer switch, it can avoid that the stuck caused by the untimely or incomplete reset of excitation driving wheel 300, ensure that transfer switch stable operation.
[0043] In detail, driving device 10 includes mounting piece 100 and is arranged to mounting piece 100 yoke assembly 200, excitation driving wheel 300, moving iron core component 400 and reset piece 500.
[0044] The magnetic yoke assembly 200 is pivotally mounted on the mounting member 100, and the moving iron core assembly 400 is movably mounted on the magnetic yoke assembly 200. It is used to drive the excitation drive wheel 300 to the normal power supply closing position or the backup power supply closing position under the drive of the magnetic yoke assembly 200, so as to drive the moving contact device to complete the power switching action.
[0045] One end of the reset component 500 is connected to the mounting component 100, and the other end is connected to the excitation drive wheel 300. The reset component 500 is used to drive the excitation drive wheel 300 to reset to the initial position, which is between the closed position and the open position.
[0046] For example, when the main power supply is closed, the magnetic yoke assembly 200 drives the moving iron core assembly 400 to move, which in turn drives the excitation drive wheel 300 from its initial position to the main power supply closed position. This allows the excitation drive wheel 300 to drive the moving contact device to complete the main power supply switching action. After the driving force of the magnetic yoke assembly 200 on the moving iron core assembly 400 is removed, the reset member 500 drives the moving iron core assembly 400 to move back to its initial position from the closed position. This makes it convenient to switch to the standby power supply when needed. The magnetic yoke assembly 200 drives the moving iron core assembly 400 to move, which in turn drives the excitation drive wheel 300 from its initial position to the standby power supply closed position. This allows the excitation drive wheel 300 to drive the moving contact device to complete the power supply switching action.
[0047] This avoids jamming of the excitation drive wheel 300 due to untimely or incomplete reset, ensuring stable operation of the changeover switch.
[0048] In detail, the moving iron core assembly 400 includes a first moving iron core component 410 and a second moving iron core component 420, and the excitation drive wheel 300 is located between the first moving iron core component 410 and the second moving iron core component 420.
[0049] like Figure 2 As shown, the first moving iron core 410 is used to drive the excitation drive wheel 300 along a first direction (e.g., Figure 2 The excitation drive wheel 300 is rotated in the second direction (as shown in direction A) to the normal power supply closed position. The reset component 500 is used to drive the excitation drive wheel 300 to reset to the initial position (as shown in direction A) after the force of the first moving iron core component 410 is removed. Figure 3 (As shown).
[0050] like Figure 4 As shown, the second moving iron core 420 is used to drive the excitation drive wheel 300 along the second direction (e.g., Figure 4 The device rotates (in direction B) to the backup power supply closed position. The reset component 500 is used to drive the excitation drive wheel 300 to reset to the second initial position (e.g., in direction B) in the first direction after the force of the second moving iron core component 420 is removed.Figure 5 as shown.
[0051] It can be understood that the first direction and the second direction are opposite directions, and in the embodiment, the first direction is the counterclockwise A direction as shown in the figure, and the second direction is the clockwise B direction as shown in the figure. Of course, Figure 2 and Figure 4 are only schematic main power closing positions and backup power closing positions, and in other embodiments, they can also be Figure 2 the backup power closing state, Figure 4 the main power closing position.
[0052] Further, please continue to refer to Figures 1 to 6 The excitation driving wheel 300 is provided with a first actuating part 310 and a second actuating part 320, and the end of the first moving iron core 410 is provided with a first actuating rod 411 which abuts against the first actuating part 310 to drive the excitation driving wheel 300 to rotate in the first direction.
[0053] The end of the second moving iron core 420 is provided with a second actuating rod 421 which abuts against the second actuating part 320 to drive the excitation driving wheel 300 to rotate in the second direction.
[0054] It should be noted that the initial position not only refers to the fixed positions corresponding to the first initial position and the second initial position, but also refers to the position in the moving range of the excitation driving wheel 300, and the moving range is the range in which the movement path of the actuating part coincides with the movement path of the actuating rod.
[0055] Therefore, in the power switching process, the first actuating part 310 is actuated by the first actuating rod 411 to drive the excitation driving wheel 300 to rotate in the first direction, so that the main power closing of the moving contact device is driven by the excitation driving wheel 300, and after the driving force of the magnetic yoke assembly 200 to the first moving iron core 410 is removed, the first moving iron core 410 can be reset under the action of the magnetic yoke assembly 200 or the spring, and the excitation driving wheel 300 can be rotated to the reset position under the driving of the reset part 500. The backup power closing process is completely consistent with the main power closing process, and will not be described here.
[0056] Further, the first moving iron core 410 is further provided with a first moving iron core 412 and a first moving iron core pull rod 413 connected thereto, and the second moving iron core 420 is further provided with a second moving iron core 422 and a second moving iron core pull rod 423 connected thereto, and the first moving iron core 412 and the second moving iron core 422 are telescopically arranged in the magnetic yoke assembly 200.
[0057] The magnetic yoke assembly 200 is used to drive the first moving iron core 412 to retract and drive the excitation driving wheel 300 to the normal power closing position, or is used to drive the second moving iron core 422 to retract and drive the excitation driving wheel 300 to the standby power closing position.
[0058] It is worth noting that, in some embodiments of the utility model, in the state that the first moving iron core 412 and the second moving iron core 422 both extend relative to the magnetic yoke assembly 200, and in the state that the distance between the first shifting part 310 and the first shifting rod 411 is greater than the distance between the second shifting part 320 and the second shifting rod 421, the excitation driving wheel 300 is in the first initial position; in the state that the distance between the first shifting part 310 and the first shifting rod 411 is less than the distance between the second shifting part 320 and the second shifting rod 421, the excitation driving wheel 300 is in the second initial position.
[0059] Since the normal power closing position is the limit position of the excitation driving wheel 300 rotating in the first direction, and the standby power closing position is the limit position of the excitation driving wheel 300 rotating in the second direction, in this embodiment, the initial position of the excitation driving wheel 300 can be the movement stroke between the normal power closing position and the standby power closing position.
[0060] In addition, it should be noted that, as shown in Figure 2 and Figure 3 , when the excitation driving wheel 300 is in the first initial position, the vertical distance from the second shifting part 320 to the second moving iron core pull rod 423 is the first distance; and when the excitation driving wheel 300 is in the normal closing position, the vertical distance from the second shifting part 320 to the second moving iron core pull rod 423 is the second distance, and the first distance is less than the second distance.
[0061] As shown in Figure 4 and Figure 5 , when the excitation driving wheel 300 is in the second initial position, the vertical distance from the first shifting part 310 to the first moving iron core pull rod 413 is the third distance; and when the excitation driving wheel 300 is in the standby closing position, the vertical distance from the first shifting part 310 to the first moving iron core pull rod 413 is the fourth distance, and the third distance is less than the fourth distance.
[0062] Further, the connection points of the first moving iron core 410 and the second moving iron core 420 relative to the mounting part 100 and the reset part 500 are symmetrically distributed relative to the line connecting the rotation shaft axis of the excitation driving wheel 300.
[0063] In other words, the rotation shaft axis of the excitation driving wheel 300 is located on the symmetry line of the first moving iron core 412 and the second moving iron core 422, and the connecting point of the reset member 500 and the mounting member 100 is also located on the symmetry line of the first moving iron core 412 and the second moving iron core 422, so that no matter the excitation driving wheel 300 rotates in the first direction or the second direction, the reset member 500 can provide a reset torque for the excitation driving wheel 300 to move towards the initial position, and the force balance of the excitation driving wheel 300 is kept after the excitation driving wheel 300 is reset to the initial position.
[0064] Further, in order to further improve the force stability of the excitation driving wheel 300 and the reset member 500, the reset member 500 is connected with the center of symmetry of the excitation driving wheel 300.
[0065] In the embodiment, the excitation driving wheel 300 is semicircular, and the reset member 500 is connected with the center of the diameter of the excitation driving wheel 300.
[0066] Further, the reset member 500 is a spring, and in the state that the excitation driving wheel 300 is located at the normal power closing position and the standby power closing position, the reset member 500 is in a stretched state.
[0067] In the embodiment, the reset member 500 is in a stretched state, so that the elastic restoring force generated by the reset member 500 when the excitation driving wheel 300 is located at the normal power closing position and the standby power closing position can pull the excitation driving wheel 300 back to the initial position.
[0068] Further, it should be noted that in some embodiments of the utility model, the excitation driving wheel 300 is used to be connected with the moving contact device to directly drive the moving contact device to complete the switching action.
[0069] Furthermore, in some other embodiments of the utility model, the driving device 10 further comprises a mechanism driving wheel 600, the mechanism driving wheel 600 is engaged with the excitation driving wheel 300, and the mechanism driving wheel 600 is used to be connected with the moving contact device through the energy storage spring device to drive the moving contact device to complete the switching action.
[0070] In summary, the utility model provides a kind of drive device 10 and change-over switch, when carrying out normal power closing, drive moving iron core component 400 movement by magnetic yoke component 200, to drive excitation drive wheel 300 by moving iron core component 400 from initial position movement to normal power closing position, to realize by excitation drive wheel 300 drive moving contact device complete normal power closing action;And after the driving force of magnetic yoke component 200 to moving iron core component 400 is cancelled, moving iron core component 400 is moved again to initial position by reset piece 500 drive, to facilitate when needing to switch to standby power, again by magnetic yoke component 200 drive moving iron core component 400 movement, to drive excitation drive wheel 300 by initial position movement to standby power closing position, to realize by excitation drive wheel 300 drive moving contact device complete switching action. Thus avoid excitation drive wheel 300 due to reset not in time or reset not in place cause jam, ensure that change-over switch stable operation.
[0071] Further, the utility model also provides a kind of change-over switch, including the drive device 10 in above-mentioned embodiment.
[0072] The above is only preferred embodiment of the utility model, and does not limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A drive device characterized by comprising: The utility model relates to a kind of switch, including: Mounting (100); Magnetic yoke assembly (200), the magnetic yoke assembly (200) is set to the mounting (100); Excitation drive wheel (300), the excitation drive wheel (300) is pivotably set to the mounting (100); Moving iron core assembly (400), the moving iron core assembly (400) is movably set to the magnetic yoke assembly (200), and is used to drive the excitation drive wheel (300) movement to normal power closing position or standby power closing position under the drive of the magnetic yoke assembly (200), to drive moving contact device switching; Reset member (500), one end of the reset member (500) is connected with the mounting (100), the other end is connected with the excitation drive wheel (300), and the reset member (500) is used to drive the excitation drive wheel (300) reset to initial position, and the initial position is between the normal power closing position and the normal power closing position.
2. The drive apparatus according to claim 1, characterized by The moving iron core assembly (400) includes first moving iron core piece (410) and second moving iron core piece (420), and the excitation drive wheel (300) is between the first moving iron core piece (410) and second moving iron core piece (420); Wherein, the first moving iron core piece (410) is used to drive the excitation drive wheel (300) to rotate to the normal power closing position along first direction, the second moving iron core piece (420) is used to drive the excitation drive wheel (300) to rotate to the standby power closing position along second direction, and the reset member (500) is used to drive the excitation drive wheel (300) to reset from the normal power closing position to the initial position of first initial position along second direction after the excitation drive wheel (300) is in normal power closing position and the acting force of the first moving iron core piece (410) to the excitation drive wheel (300) is cancelled, or to reset the excitation drive wheel (300) to the initial position of second initial position along first direction after the excitation drive wheel (300) is in standby power closing position and the acting force of the second moving iron core piece (420) to the excitation drive wheel (300) is cancelled; The first direction and the second direction are opposite directions.
3. The drive apparatus according to claim 2, characterized by The excitation drive wheel (300) is provided with first knob (310) and second knob (320), and the end of the first moving iron core piece (410) is provided with first lever (411), the first lever (411) is in abutment with the first knob (310) and drives the excitation drive wheel (300) to rotate along the first direction; The end of the second moving iron core piece (420) is provided with second lever (421), and the second lever (421) is in abutment with the second knob (320) and drives the excitation drive wheel (300) to rotate along the second direction.
4. The drive apparatus according to claim 3, characterized by The first moving iron core piece (410) is further provided with a first moving iron core (412) and a first moving iron core pull rod (413) connected with each other, and the second moving iron core piece (420) is further provided with a second moving iron core (422) and a second moving iron core pull rod (423) connected with each other, and the first moving iron core (412) and the second moving iron core (422) are telescopically arranged in the magnetic yoke assembly (200); The magnetic yoke assembly (200) is used for driving the first moving iron core (412) to retract and drive the excitation driving wheel (300) to be in the normal power closing position, or is used for driving the second moving iron core (422) to retract and drive the excitation driving wheel (300) to be in the standby power closing position; When the excitation driving wheel (300) is in the first initial position, a vertical distance from the second shifting part (320) to the second moving iron core pull rod (423) is a first distance, and when the excitation driving wheel (300) is in the normal closing position, a vertical distance from the second shifting part (320) to the second moving iron core pull rod (423) is a second distance, and the first distance is less than the second distance; When the excitation driving wheel (300) is in the second initial position, a vertical distance from the first shifting part (310) to the first moving iron core pull rod (413) is a third distance, and when the excitation driving wheel (300) is in the standby closing position, a vertical distance from the first shifting part (310) to the first moving iron core pull rod (413) is a fourth distance, and the third distance is less than the fourth distance.
5. The drive apparatus according to claim 2, characterized by The first moving iron core piece (410) and the second moving iron core piece (420) are symmetrically distributed about a connecting point of the reset piece (500) and the mounting piece (100) and an axis of the excitation driving wheel (300).
6. The drive apparatus according to claim 1, characterized by The reset piece (500) is connected with a symmetric center position of the excitation driving wheel (300).
7. The drive apparatus according to claim 1, characterized by The reset piece (500) is a spring, and in a state that the excitation driving wheel (300) is in the normal power closing position or the standby power closing position, the reset piece (500) is in a stretched state.
8. The drive apparatus according to claim 1, characterized by The excitation driving wheel (300) is used for being connected with a moving contact device to drive the moving contact device to switch.
9. The drive apparatus according to claim 1, characterized by The driving device further comprises a mechanism driving wheel (600) engaged with the excitation driving wheel (300), and the mechanism driving wheel (600) is used for being connected with the moving contact device through an energy storage spring device to drive the moving contact device to switch.
10. A transfer switch, characterized in that The driving device comprises the driving device according to any one of claims 1-9.