CN217690841U - Operating mechanism of dual-power automatic transfer switch - Google Patents

Abstract

The utility model provides a dual supply automatic transfer switch's operating device, belongs to low-voltage apparatus technical field, including electro-magnet, transmission and carousel, the electro-magnet has primary importance and second position, transmission includes the actuating arm with the movable iron core linkage of electro-magnet, be equipped with the actuated piece on the carousel, the electro-magnet is followed primary importance and is moved to the second place, drives the actuated piece via the actuating arm and makes the carousel rotate, and characteristics are: the driving arm comprises a driving rod and a shifting rod, the shifting rod of the driving arm abuts against the actuating piece to drive the actuating piece in the action process that the driving arm drives the actuating piece, and the driving rod is located at the other end, opposite to the rotary disc, of the actuating piece. The advantages are that: the structure is compact, and the miniaturization of the dual-power automatic transfer switch can be realized.

Description

Operating mechanism of dual-power automatic transfer switch

Technical Field

The utility model belongs to the technical field of low-voltage apparatus, concretely relates to dual supply automatic transfer switch's operating device.

Background

The dual-power automatic transfer switch is used in a power supply system, when one path of power supply fails, the failed power supply can be prevented from supplying power to a load, and the other path of power supply can be reliably selected to be put into operation, so that the continuity of power supply is ensured. Such switches are typically used in relatively important locations such as hospitals, airports, docks, banks, and the like.

The operating mechanism is a key component for switching the dual-power automatic transfer switch between two positions with a common power supply switching-on position and a standby power supply switching-on position, or switching the dual-power automatic transfer switch between three positions with double split positions added on the basis of the two positions. The conventional operating mechanism includes an electromagnet as a power source, a turntable for outputting a rotational torque, and a transmission device for transmitting a linear motion of the electromagnet to the turntable to rotate the turntable, wherein the transmission device includes a driving arm, one end of which is linked with a movable iron core of the electromagnet, and the other end of which needs to be effectively and reliably engaged with an actuating member on the turntable. In addition, miniaturization of switching devices is a trend in the field of electrical technology.

In view of the above-mentioned prior art, there is a need for a reasonable improvement of the operating mechanism of the dual power automatic transfer switch, which can achieve the miniaturization of the switch based on the effective and reliable transmission matching. The applicant has made an advantageous design for this purpose, in the context of which the solution to be described below is made.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an operating device of dual supply automatic transfer switch, its compact structure can realize dual supply automatic transfer switch's miniaturization.

The utility model discloses a task is accomplished like this, an operating device of dual supply automatic transfer switch, including electro-magnet, transmission and carousel, the electro-magnet has primary importance and second position, transmission includes the actuating arm with the movable iron core linkage of electro-magnet, be equipped with the actuated piece on the carousel, the electro-magnet moves from the primary importance to the second position, drives the actuated piece via the actuating arm and makes the carousel rotate, and characteristics are: the driving arm comprises a driving rod and a shifting rod, the shifting rod of the driving arm abuts against the actuating piece to drive the actuating piece in the action process that the driving arm drives the actuating piece, and the driving rod is located at the other end, opposite to the rotary disc, of the actuating piece.

In a particular embodiment of the invention, the electromagnet and the transmission are arranged along the direction of movement of the moving core of the electromagnet, and the turntable and the transmission are arranged perpendicular to the direction of movement of the moving core.

In another specific embodiment of the present invention, the turntable, the actuating member, and the driving rod are arranged in sequence in one direction.

In another specific embodiment of the present invention, the actuating member includes a first driving shaft and a second driving shaft arranged in a radial axial symmetry of the turntable, and a third driving shaft and a fourth driving shaft arranged in a radial axial symmetry of the turntable, the first driving shaft and the second driving shaft are fixed on the turntable, and the third driving shaft and the fourth driving shaft are slidably disposed on the turntable.

In another specific embodiment of the present invention, an arc groove is formed on the rotary plate, and the third driving shaft and the fourth driving shaft are supported at opposite ends of the arc groove under the action of the elastic member.

In yet another specific embodiment of the present invention, the transmission device further includes a selection electromagnet having a first selection position and a second selection position, the driving arm has a pair including a first driving arm and a second driving arm symmetrically disposed with the electromagnet, the selection electromagnet is used to transmit the movement of the electromagnet from the first position to the second position to the turntable by one of the first driving arm and the second driving arm, when the selection electromagnet is located at the first selection position, the electromagnet acts from the first position to the second position for the first time, the driving lever of the first driving arm pushes the first driving shaft to rotate the turntable by a first angle in the first direction, when the electromagnet returns from the second position to the first position, the driving lever of the first driving arm pushes the third driving shaft to slide in the arc groove against the elastic member until the driving lever passes over the third driving shaft and abuts against the third driving shaft, when the electromagnet acts from the first position to the second position for the second time, the driving lever of the first driving arm pushes the third driving shaft to rotate the turntable by a second angle in the first direction; when the electromagnet is in the second selection position, the electromagnet acts from the first position to the second position for the first time, the deflector rod of the second driving arm pushes the second driving shaft to enable the turntable to rotate in a second direction opposite to the first direction by a first angle, when the electromagnet returns from the second position to the first position, the deflector rod of the second driving arm pushes the fourth driving shaft to slide in the arc groove under the action of the elastic piece until the deflector rod passes over the fourth driving shaft and abuts against the fourth driving shaft, and when the electromagnet acts from the first position to the second position for the second time, the deflector rod of the second driving arm pushes the fourth driving shaft to enable the turntable to rotate in the second direction by a second angle.

In yet another specific embodiment of the present invention, the rotary plate, the actuating member, and the driving rod are sequentially arranged in a height direction of the switch, and the actuating member and the shift lever are located at the same height position of the switch.

In a more specific embodiment of the present invention, the operating mechanism further includes a bottom plate, a pair of first supports perpendicular to the bottom plate and arranged in parallel with each other, and a second support arranged in parallel with the bottom plate, the turntable is rotatably disposed below the second supports, and the electromagnet is fixed on the bottom plate.

In yet another specific embodiment of the present invention, the pair of first brackets are also symmetrically disposed with respect to the electromagnet, each first bracket has a pair of sliding grooves along the moving direction of the movable iron core of the electromagnet, and the first driving arm and the second driving arm are slidably disposed on the corresponding first brackets through the cooperation between the guiding shaft and the sliding grooves.

The utility model discloses owing to adopted above-mentioned structure, the beneficial effect who has: firstly, the driving rods of the first driving arm and the second driving arm are arranged below the actuating piece, so that the space in the circumferential direction of the turntable is not occupied, and the miniaturization of the operating mechanism is ensured; and secondly, the whole operating mechanism adopts a straight pull type structure of matching a single driving electromagnet with a single selection electromagnet, and the driving assembly (comprising a main electromagnet, a selection electromagnet and a transmission device) and the turntable are arranged in a layered manner, so that the bidirectional rapid reciprocating action is realized, and meanwhile, the switch structure is more compact.

Drawings

Fig. 1a is the operating device's side view, the switch is in the position of closing the floodgate commonly used, and main electromagnet is in the first position of sound iron core release.

FIG. 1b is a top view of the turntable of FIG. 1 a.

Fig. 1c is a right side view of fig. 1 a.

Fig. 2a is operating device's side view, switch are in two branch positions, and main electromagnet is in the second position of sound iron core actuation, selects the electro-magnet to be in first selection position.

Fig. 2b is a top view of the turntable of fig. 2 a.

Fig. 3a is operating device's side view, the switch is in two branch positions, and main electromagnet is in the first position of sound iron core release, selects the electro-magnet to be in first selection position.

Fig. 3b is a top view of the turntable of fig. 3 a.

Fig. 4a is operating device's side view, the switch is in reserve closing position, and main electromagnet is in the second position of sound iron core actuation.

Fig. 4b is a top view of the turntable of fig. 4 a.

Fig. 5a is the side view of the operating mechanism of the present invention, the switch is in the standby switch-on position, and the main electromagnet is in the first position of the moving and static iron core release.

Fig. 5b is a top view of the turntable of fig. 5 a.

Fig. 6a is operating device's side view, the switch is in two branch positions, and main electromagnet is in the second position of sound iron core actuation, selects the electro-magnet to be in the second and selects the position.

Fig. 6b is a top view of the turntable of fig. 6 a.

Fig. 7a is the side view of operating device, the switch is in two branch positions, main electromagnet is in the first position of sound iron core release, selects the electro-magnet to be in the second and selects the position.

Fig. 7b is a top view of the turntable of fig. 7 a.

In the figure: 1. the electromagnet, 11. The movable iron core and 111. The electromagnet connecting shaft; 2. the driving device comprises a transmission device, 21 driving arms, 2101, a first driving arm, 2102, a second driving arm, 2103, a guide shaft, 211, a driving rod, 212, a driving lever and 22, and a selection electromagnet; 3. the driving mechanism comprises a rotary disc, a driving piece 31, an actuating piece 311, a first driving shaft 312, a second driving shaft 313, a third driving shaft 314, a fourth driving shaft 315, a first elastic piece 316, a second elastic piece 32 and an arc groove; 41. bottom plate, 42, first support, 421, sliding tray, 43, second support.

Detailed Description

The following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings, but the description of the embodiments by the applicant is not intended to limit the technical solutions, and any changes made according to the present invention rather than the essential changes should be considered as the protection scope of the present invention.

In the following description, any concept related to the directions or orientations of up, down, left, right, front, and rear is based on the position shown in the corresponding drawings, and thus should not be construed as particularly limiting the technical solution provided by the present invention.

Referring to fig. 1b, the present invention relates to an operating mechanism of a dual power automatic transfer switch, which can be applied to a single-pole double-throw dual power switch, wherein the switch can be a three-position switch, i.e. a first power position, a second power position and a double-branch position, or a two-position switch, i.e. only including the first power position and the second power position, and the rotating disc 3 drives a moving contact to rotate in a first direction and a second direction opposite to the first direction; the two sides of the operating mechanism can be provided with plastic shell circuit breakers, and the circuit breaker handles on the two sides are driven to move through the rotation of the rotary disc 3, so that the CB-level dual-power automatic transfer switch is formed.

The operating mechanism comprises an electromagnet 1, a transmission device 2 and a turntable 3. Electromagnet 1 include quiet iron core, move iron core 11, coil, reset spring etc, electromagnet 1 has primary importance and second position, and when the coil got electric, move iron core 11 and overcome the spring force and move to quiet iron core direction, move electromagnet 1 from primary importance to the second position motion promptly, lose the electricity when the coil, move iron core 11 and keep away from quiet iron core under the spring force effect, and electromagnet 1 returns to primary importance from the second position promptly, when moving iron core 11 and quiet iron core release, electromagnet 1 is in primary importance, move iron core 11 and quiet iron core and during the wicking, electromagnet 1 is in the second position, belong to well-known technology.

The operating mechanism further includes a base plate 41, a pair of first brackets 42 arranged perpendicular to the base plate 41 and parallel to each other, and a second bracket 43 arranged parallel to the base plate 41. The electromagnet 1 is fixed on the bottom plate 41.

The transmission device 2 comprises a driving arm 21 linked with the movable iron core 11 of the electromagnet 1. In this embodiment, the driving arm 21 has a pair of a first driving arm 2101 and a second driving arm 2102, and each driving arm 21 includes a driving lever 211 and a shift lever 212. The first drive arm 2101 and the second drive arm 2102 are symmetrically arranged with the electromagnet 1. The pair of first brackets 42 are also symmetrically arranged with the electromagnet 1, each first bracket 42 is provided with a pair of sliding grooves 421 along the moving direction of the movable iron core 11 of the electromagnet 1, and the first driving arm 2101 and the second driving arm 2102 are slidably arranged on the corresponding first brackets 42 by the matching of the guide shaft 2103 on the first driving arm 2101 and the sliding grooves 421.

The transmission device 2 further comprises a selection electromagnet 22, wherein the selection electromagnet 22 comprises a selection static iron core, a selection movable iron core, a selection electromagnet coil, a selection reset spring and the like, when the selection electromagnet coil is electrified, the selection movable iron core moves towards the direction of the selection static iron core by overcoming the spring force of the selection reset spring, namely, the selection electromagnet 22 moves from a first selection position to a second selection position, when the selection electromagnet coil is electrified, the selection movable iron core moves towards the direction far away from the selection static iron core under the spring force of the selection reset spring, namely, the selection electromagnet 22 returns to the first selection position from the second selection position.

An electromagnet connecting shaft 111 is arranged on the movable iron core 11 of the electromagnet 1, and the electromagnet connecting shaft 111 extends in the arrangement direction of the pair of brackets 42, so that the first driving arm 2101 is in linkage relation with the movable iron core 11 through the electromagnet connecting shaft 111, and the second driving arm 2102 is in linkage relation with the movable iron core 11 through the electromagnet connecting shaft 111. When the selection electromagnet 22 is at the first selection position, the first drive arm 2101 is kept in an engaged relationship with the actuating member 31, that is, when the electromagnet 1 moves between the first position and the second position and is transmitted to the first drive arm 2101 via the electromagnet connecting shaft 111, the first drive arm 2101 moves in the sliding groove 421 of the corresponding one of the first brackets 42 in accordance with the movement of the iron core 11 to drive the actuating member 31, and at this time, the second drive arm 2102 is disengaged from the actuating member 31; when the selection electromagnet 22 is located at the second selection position, the second driving arm 2102 is kept in the engagement relationship with the actuating member 31, that is, when the movement of the electromagnet 1 between the first position and the second position is transmitted to the second driving arm 2102 through the electromagnet connecting shaft 111, so that the second driving arm 2102 moves in the sliding groove 421 of the corresponding one of the first brackets 42 in accordance with the movement of the iron core 11 and drives the actuating member 31, at this time, the first driving arm 2101 is disengaged from the actuating member 31. Thus, the selection electromagnet 22 is used to transmit the movement of the electromagnet 1 from the first position to the second position to the turntable 3 by one of the first driving arm 2101 and the second driving arm 2102.

The rotary disk 3 is provided with an actuating member 31, and when the electromagnet 1 moves from the first position to the second position, the actuating arm 21 can drive the actuating member 31 to rotate the rotary disk 3. The actuator 31 includes a first driving shaft 311, a second driving shaft 312, a third driving shaft 313 and a fourth driving shaft 314, the first driving shaft 311 and the second driving shaft 312 are fixedly disposed on the turntable 3, and the third driving shaft 313 and the fourth driving shaft 314 are slidably disposed on the arc groove 32 on the turntable 3. Elastic members are connected between the first driving shaft 311 and the third driving shaft 313 and between the second driving shaft 312 and the fourth driving shaft 314, specifically: a first elastic member 315 is connected between the first driving shaft 311 and the third driving shaft 313, and a second elastic member 316 is connected between the second driving shaft 312 and the fourth driving shaft 314. The first driving shaft 311 and the second driving shaft 312 are arranged in a radial axial symmetry manner with respect to the rotary disk 3, and the third driving shaft 313 and the fourth driving shaft 314 are also arranged in a radial axial symmetry manner with respect to the rotary disk 3. The third driving shaft 313 and the fourth driving shaft 314 abut against opposite ends of the arc groove 32 by the elastic member.

With reference to fig. 1a to fig. 7b, the operating mechanism of the dual power automatic transfer switch of the present invention has the following working principle:

as shown in fig. 1a, 1b and 1c, the switch is in a normal power supply closing position, at this time, the selection electromagnet 22 is located at a first selection position, the first driving arm 2101 has a linkage relationship with the electromagnet 1, meanwhile, the first driving arm 2101 has a matching relationship with the actuating element 31, and the second driving arm 2102 is disengaged from the actuating element 31, the electromagnet 1 is actuated from the first position to the second position for the first time, the driving lever 212 of the first driving arm 2101 pushes the first driving shaft 311, so that the rotating disc 3 rotates in a first direction by a first angle, and drives the switch moving contact, so that the switch reaches a double-division position, as shown in fig. 2a and 2 b. When the electromagnet 1 returns from the second position to the first position, the shift lever 212 of the first driving arm 2101 pushes the third driving shaft 313 to slide in the arc groove 32 against the action of the first elastic member 315 until the shift lever 212 abuts against the third driving shaft 313 after passing over the third driving shaft 313, as shown in fig. 3a and 3 b. When the selection electromagnet 22 is kept inactive, i.e. the selection electromagnet 22 is in the first selection position, and the electromagnet 1 is again actuated from the first position to the second position, the third driving shaft 313 is pushed by the driving lever 212 of the first driving arm 2101, so that the rotating disc 3 rotates in the first direction through the second angle to reach the standby switching-on position, as shown in fig. 4a and 4 b. When the electromagnet 1 returns from the second position to the first position, the switching from the normal closing to the standby closing is completed, and the switch is in the standby closing position, as shown in fig. 5a and 5 b.

When the standby power supply needs to be switched off and the switch is switched on in a double-time-sharing manner, the selection electromagnet 22 is electrified to actuate to the second selection position, the second driving arm 2102 is in linkage relation with the electromagnet 1, meanwhile, the second driving arm 2102 is in matching relation with the actuating piece 31, the first driving arm 2101 is separated from the actuating piece 31, the electromagnet 1 actuates for the first time from the first position to the second position, the driving rod 212 of the second driving arm 2102 pushes the second driving shaft 312, the rotating disc 3 rotates in a second direction opposite to the first direction by a first angle, and the standby power supply is switched off to a double-division position, as shown in fig. 6a and 6 b. When the electromagnet 1 returns from the second position to the first position, the shift lever 212 of the second driving arm 2102 pushes the fourth driving shaft 314 to slide in the arc groove 32 against the action of the second elastic member 316 until the shift lever 212 abuts against the fourth driving shaft 314 after passing over the fourth driving shaft 314, as shown in fig. 7a and 7 b. If the common power source needs to be switched on again, the selection electromagnet 22 is kept at the second selection position, that is, the linkage relationship between the second driving arm 2102 and the electromagnet 1 is kept, the electromagnet 1 is powered on, so that the electromagnet 1 moves from the first position to the second position again, the driving lever 212 of the second driving arm 2102 pushes the fourth driving shaft 314, and the rotating disc 3 rotates by a second angle in the second direction, so that the common power source is switched on, as shown in fig. 1 b.

As the main features of the present invention, the present invention will the driving rod 211 of the driving arm 21 is configured as follows: during the action of the driving arm 21 driving the actuating member 31, the lever 212 of the driving arm 21 abuts against the actuating member 31 for driving the actuating member 31, and the driving rod 211 is located at the other end of the actuating member 31 opposite to the rotary disk 3.

The utility model discloses in, electro-magnet 1 and transmission 2 are arranged along the moving direction of electro-magnet 1's movable iron core 11, carousel 3 and transmission 2 are arranged along the perpendicular to move 11 moving directions of iron core, namely the direction of height of switch. Specifically, the actuator 31 and the lever 212 are located at the same height position of the switch, so that the actuator 31 is moved. The rotary plate 3, the actuator 31 and the driving rod 211 are arranged in sequence in the height direction of the switch, in this embodiment, from top to bottom, that is, as shown in fig. 1a, the rotary plate 3 is rotatably arranged below the second bracket 43, the upper end of the actuator 31 is fixedly or slidably arranged with the rotary plate 3, and the driving rod 211 is arranged below the lower end of the actuator 31. It should be noted that, as shown in fig. 1a, in the switch height direction, i.e., in the arrangement direction of both the second bracket 43 and the bottom plate 41, the driving rod 211 is arranged close to the bottom plate 41, while the actuator 31 is arranged close to the second bracket 43, and the driving rod 211 is arranged below the actuator 31, substantially during the entire rotation of the rotary plate 3, in the arrangement direction of the pair of first brackets 42, i.e., in the direction perpendicular to the paper plane, the actuator 31 and the driving rod 211 are not in the same position, and only during the driving of the actuator 31 by the lever 212, the driving rod 211 is located below the actuator 31, for example, when the lever 212 of the first driving arm 2101 abuts against and pushes the first driving shaft 311 so that the rotary plate 3 rotates, the driving rod 211 is located below the first driving shaft 311, i.e., when the projection of the driving rod 211 on the bottom plate 41 coincides with the projection of the first driving shaft 311 on the bottom plate 41, i.e., when the lever 212 abuts against and pushes whichever driving shaft, the lever 212 is located below the driving shaft, thus, the driving rod 212 does not occupy space in the circumferential direction of the rotary plate 3, ensuring the miniaturization of the operating mechanism, which is advantageous for the entire design of the switch.

The present invention is not limited to the above embodiment, and of course, the lower end of the actuating member 31 may be fixed or slidably disposed on the turntable 3, and the driving rod 211 may be disposed above the upper end of the actuating member 31.

Claims (9)

1. The utility model provides a dual supply automatic transfer switch's operating device, includes electro-magnet (1), transmission (2) and carousel (3), electro-magnet (1) has primary importance and second position, transmission (2) include actuating arm (21) with the movable iron core (11) linkage of electro-magnet (1), be equipped with actuating piece (31) on carousel (3), electro-magnet (1) is followed primary importance to the motion of second position, drives actuating piece (31) via actuating arm (21) and makes carousel (3) rotate, its characterized in that: the driving arm (21) comprises a driving rod (211) and a shifting rod (212), in the action process that the driving arm (21) drives the actuating piece (31), the shifting rod (212) of the driving arm (21) abuts against the actuating piece (31) to drive the actuating piece (31), and the driving rod (211) is located at the other end, opposite to the rotary disc (3), of the actuating piece (31).

2. The operating mechanism of the dual power automatic transfer switch according to claim 1, characterized in that: the electromagnet (1) and the transmission device (2) are arranged along the moving direction of the movable iron core (11) of the electromagnet (1), and the rotary disc (3) and the transmission device (2) are arranged along the moving direction perpendicular to the movable iron core (11).

3. The operating mechanism of the dual power automatic transfer switch according to claim 2, characterized in that: the rotary disc (3), the actuating piece (31) and the driving rod (211) are sequentially arranged in one direction.

4. The operating mechanism of the dual power automatic transfer switch according to claim 3, characterized in that: the actuating piece (31) comprises a first driving shaft (311) and a second driving shaft (312) which are arranged in a radial axial symmetry mode of the rotary disc (3), and a third driving shaft (313) and a fourth driving shaft (314) which are arranged in a radial axial symmetry mode of the rotary disc (3), wherein the first driving shaft (311) and the second driving shaft (312) are fixed on the rotary disc (3), and the third driving shaft (313) and the fourth driving shaft (314) are arranged on the rotary disc (3) in a sliding mode.

5. The operating mechanism of the dual power automatic transfer switch according to claim 4, wherein: the turntable (3) is provided with an arc groove (32), and the third driving shaft (313) and the fourth driving shaft (314) abut against two opposite ends of the arc groove (32) under the action of the elastic piece.

6. The operating mechanism of the dual power automatic transfer switch according to claim 5, characterized in that: the transmission device (2) further comprises a selection electromagnet (22) with a first selection position and a second selection position, the driving arm (21) is provided with a pair of selection electromagnets comprising a first driving arm (2101) and a second driving arm (2102) which are symmetrically arranged with the electromagnet (1), the selection electromagnet (22) is used for transmitting the action of the electromagnet (1) from the first position to the second position to the rotating disc (3) by one of the first driving arm (2101) and the second driving arm (2102), when the selection electromagnet (22) is positioned at the first selection position, the electromagnet (1) acts from the first position to the second position for the first time, the first driving shaft (2101311) is pushed by the driving lever (212) of the first driving arm (2101), the rotating disc (3) rotates for the first angle in the first direction, when the electromagnet (1) returns from the second position to the first position, the driving lever (212) of the first driving arm (2101) pushes the third driving shaft (313) to slide in the inner groove (32) against the elastic element until the third driving lever (313) moves across the first driving lever (313) when the driving shaft (313), and pushes the driving lever (313) to abut against the second driving shaft (313) to push the third driving shaft (313) to rotate to the rotating disc (3) after the first position, and the driving lever (313) moves to the second position, and the driving lever (313) moves to push the first position; when the selection electromagnet (22) is located at the second selection position, the electromagnet (1) acts from the first position to the second position for the first time, the driving rod (212) of the second driving arm (2102) pushes the second driving shaft (312) to enable the rotary disc (3) to rotate by a first angle in a second direction opposite to the first direction, when the electromagnet (1) returns to the first position from the second position, the driving rod (212) of the second driving arm (2102) pushes the fourth driving shaft (314) to slide in the arc groove (32) under the action of the elastic piece until the driving rod (212) abuts against the fourth driving shaft (314) after passing over the fourth driving shaft (314), and when the electromagnet (1) acts from the first position to the second position for the second time, the driving rod (212) of the second driving arm (2102) pushes the fourth driving shaft (314) to enable the rotary disc (3) to rotate by a second angle in the second direction.

7. The operating mechanism of the dual power automatic transfer switch of claim 6, wherein: the rotary disc (3), the actuating piece (31) and the driving rod (211) are sequentially arranged in the height direction of the switch, and the actuating piece (31) and the shifting rod (212) are located at the same height position of the switch.

8. The operating mechanism of the dual power automatic transfer switch according to claim 7, wherein: the operating mechanism further comprises a bottom plate (41), a pair of first supports (42) which are perpendicular to the bottom plate (41) and arranged in parallel, and a second support (43) which is arranged in parallel to the bottom plate (41), the rotary disc (3) is rotatably arranged below the second supports (43), and the electromagnet (1) is fixed on the bottom plate (41).

9. The operating mechanism of the dual power automatic transfer switch according to claim 8, characterized in that: the pair of first supports (42) are also symmetrically arranged with the electromagnet (1), a pair of sliding grooves (421) are formed in each first support (42) along the moving direction of the movable iron core (11) of the electromagnet (1), and the first driving arm (2101) and the second driving arm (2102) are arranged on the corresponding first supports (42) in a sliding mode through the matching of the guide shaft (2103) on the first driving arm and the sliding grooves (421).

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