CN110444416B - Driving mechanism of dual-power automatic transfer switch and dual-power automatic transfer switch - Google Patents
Driving mechanism of dual-power automatic transfer switch and dual-power automatic transfer switch Download PDFInfo
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- CN110444416B CN110444416B CN201810419215.5A CN201810419215A CN110444416B CN 110444416 B CN110444416 B CN 110444416B CN 201810419215 A CN201810419215 A CN 201810419215A CN 110444416 B CN110444416 B CN 110444416B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
Abstract
A drive mechanism for a dual power automatic transfer switch, comprising: the first connecting rod assembly and the second connecting rod assembly move between a switching-on position and a switching-off position; the main shaft is connected with the first connecting rod assembly and the second connecting rod assembly in a transmission manner; the first spring energy storage mechanism and the second spring energy storage mechanism respectively act on and are respectively connected with the first connecting rod assembly and the second connecting rod assembly in a transmission mode; the first driving disc and the second driving disc are respectively connected with the two ends of the main shaft and are driven by the main shaft together; the first connecting part is in transmission connection with the first driving disc, the first spring energy storage mechanism and the first connecting rod assembly; the second connecting part is in transmission connection with the second driving disc, the second spring energy storage mechanism and the second connecting rod assembly; the first driving part and the second driving part which are respectively arranged on the first driving disc and the second driving disc are provided with an angle difference and respectively actuate the first connecting part and the second connecting part, so that the first connecting rod assembly and the second connecting rod assembly cannot be simultaneously positioned at a closing position when the first driving disc and the second driving disc rotate together.
Description
Technical Field
A driving mechanism of a dual-power automatic transfer switch and a dual-power automatic transfer switch including the same are provided.
Background
A dual power Automatic Transfer Switch (ATSE) has two positions and three positions. The movable contact of the two-position ATSE is connected with the fixed contact of the first power supply or the fixed contact of the second power supply, so that the load is always electrified except at the moment of conversion. The movable contact of the three-position ATSE may stay in an intermediate position, i.e., a double-split position, in which neither of the movable contacts is connected to the first power source or the second power source, in addition to being connected to the first power source or the second power source. In addition, the moving speed of the movable contact of the ATSE is determined by the moving speed of a mechanism driving the movable contact to move, and the moving speed of the mechanism is determined by the operating speed of the handle, and the product is called ATSE related to manual operation. Similarly, when the speed of movement of the movable contacts of the ATSE is independent of the operating speed of the handle, such a product is referred to as a hands-free operated ATSE.
Disclosure of Invention
The present disclosure adopts the independent manual operation mechanism of the mature load switch, and combines the independent manual operation mechanism with the necessary mechanical structure to form an independent manual operation ATSE mechanism, and the reliability is stronger.
According to one aspect of the present disclosure, there is provided a driving mechanism of a dual power automatic transfer switch, the driving mechanism including: a first link assembly and a second link assembly that move between a closing position and an opening position; the main shaft is in transmission connection with the first connecting rod assembly and the second connecting rod assembly; the first spring energy storage mechanism and the second spring energy storage mechanism respectively act on and are respectively connected with the first connecting rod assembly and the second connecting rod assembly in a transmission mode; the first driving disc and the second driving disc are respectively connected with the two ends of the main shaft and are driven by the main shaft together; a first coupling member drivingly connected to said first drive disk, said first spring energy storage mechanism, and said first link assembly; and the second connecting part is in transmission connection with the second driving disc, the second spring energy storage mechanism and the second connecting rod assembly.
A first drive feature and a second drive feature disposed on the first drive disk and the second drive disk, respectively, are provided with an angular difference and actuate the first and second coupling features, respectively, such that the first drive disk and the second drive disk, when co-rotating, do not cause the first link assembly and the second link assembly to be simultaneously in a closed position.
According to the above aspect of the disclosure, the first driving disc and the second driving disc are fixedly connected with the main shaft, and the connection form is one of the following: by means of a form fit; the mode of pin matching is adopted; through the welding matching or the matching mode of expansion with heat and contraction with cold.
According to the above aspect of the present disclosure, the first driving member is provided with a first driving groove in which one end of the first connecting member is slidably disposed.
The second driving part is provided with a second driving groove, and one end of the second connecting part is arranged in the second driving groove in a sliding mode.
The first drive groove and the second drive groove have an angular difference in their rotational directions relative to each other, so that it can be ensured that the first drive groove and the second drive groove do not drive the first connecting part and the second connecting part simultaneously or drive the first connecting part and the second connecting part simultaneously beyond a mechanism dead point when the first drive disc and the second drive disc rotate together.
According to the above aspects of the present disclosure, the first link assembly includes a first slide bar and a first driving plate.
And the first end of the first sliding rod is rotationally connected with a first movable contact assembly of the dual-power automatic transfer switch.
The second end of the first sliding rod is rotatably connected with the first driving sheet.
The first connecting component is used for driving the first driving piece.
The first driving sheet is sleeved on the main shaft and can rotate around the main shaft.
According to the above aspects of the present disclosure, the second link assembly includes a second slide bar and a second driving plate.
And the first end of the second sliding rod is rotationally connected with a second movable contact component of the dual-power automatic transfer switch.
The second end of the second sliding rod is rotatably connected with the second driving sheet.
The second connecting component is used for driving the second driving sheet.
The second driving sheet is sleeved on the main shaft and can rotate around the main shaft.
According to the above aspects of the present disclosure, the first spring energy storage mechanism includes a first spring support rod, a first spring telescopic rod and a first spring.
The first spring telescopic rod is arranged on the first spring supporting rod and can move in a telescopic mode relative to the first spring supporting rod, and the first spring acts between the first spring telescopic rod and the first spring supporting rod.
The first connecting member is connected to the first spring telescoping rod.
One end of the first spring support rod is pivotally connected to the housing of the drive mechanism.
According to the above aspects of the present disclosure, the second spring energy storage mechanism includes a second spring support rod, a second spring telescopic rod and a second spring.
The second spring telescopic rod is arranged on the second spring supporting rod and can move in a telescopic mode relative to the second spring supporting rod, and the second spring acts between the second spring telescopic rod and the second spring supporting rod.
The second connecting member is connected to the second spring extension rod.
One end of the second spring support rod is pivotally connected to the housing of the drive mechanism.
According to the above aspects of the present disclosure, the main shaft is further sleeved with a first stabilizing member and a second stabilizing member.
The first and second stabilizing members rotate about the main shaft.
The first stabilizing member is pivotally connected to the first spring telescoping rod by the first connecting member.
The second stabilizing member is pivotally connected to the second spring telescoping rod by the second connecting member.
According to the above aspects of the disclosure, in an initial state, the first movable contact assembly of the dual-power automatic transfer switch is in the on-state position and the second movable contact assembly of the dual-power automatic transfer switch is in the off-state position, the first driving disc and the second driving disc start to rotate together under the driving of the main shaft, the first driving groove starts to drive the first connecting part to move, the first spring energy storage mechanism starts to store energy, the first spring energy storage mechanism releases the stored energy after crossing a dead point of the first spring energy storage mechanism, the first driving piece is driven to rotate by the movement of the first connecting part so as to drive the first sliding rod to move, the movement of the first sliding rod drives the first movable contact assembly to rotate towards the off-state position and keeps the first movable contact assembly in the off-state position, and the second driving groove does not drive the second connecting part or drive the second connecting part in the process The interface member passes over the mechanism dead point so that said second movable contact assembly is in its tripped position and said first movable contact assembly is in its tripped position.
The first driving disk and the second driving disk continue to rotate together under the driving of the main shaft, the second driving groove starts to drive the second connecting part to move, the second spring energy storage mechanism starts to store energy, after the second spring energy storage mechanism crosses the dead point, the energy storage of the second spring energy storage mechanism is released so as to drive the second connecting part to move and drive the second driving piece to rotate, thereby driving the second sliding rod to move, the movement of the second sliding rod drives the second movable contact component to rotate towards the switching-on position until the second movable contact component is switched on and is kept at the switching-on position, in the process the first driving groove does not drive the first connecting member or drive the first connecting member beyond the mechanism dead point, so that said first movable contact assembly is in its open position and said second movable contact assembly is in its closed position.
According to another aspect of the present disclosure, there is provided a dual power automatic transfer switch including the drive mechanism as described above.
So that the manner in which the disclosure is made in detail herein can be better understood, and in which the contributions to the art may be better appreciated, the disclosure has been summarized rather broadly. There are, of course, embodiments of the disclosure that will be described below and which will form the subject matter of the claims appended hereto.
As such, those skilled in the art will appreciate that the conception upon which this disclosure is based may readily be utilized as a basis for the designing of other structures, methods and systems for carrying out the several purposes of the present disclosure. It is important, therefore, that the appended claims be regarded as including such equivalent constructions insofar as they do not depart from the spirit and scope of the present disclosure.
Drawings
The present disclosure will be better understood and its advantages will become more apparent to those skilled in the art from the following drawings. The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations and are not intended to limit the scope of the present disclosure.
Figure 1 shows a perspective schematic view of a drive mechanism for a dual power automatic transfer switch according to the present disclosure;
figure 2 illustrates a perspective schematic view of a drive mechanism of a dual power automatic transfer switch according to the present disclosure from another perspective;
FIG. 3 shows a partial cross-sectional view of FIG. 2;
4A-4C illustrate different fixed connections of the first and second drive discs to the spindle according to the present disclosure;
fig. 5 illustrates different rotations of the first and second drive disks in accordance with the present disclosure;
FIG. 6 illustrates the first movable contact assembly in a closed position and the second movable contact assembly in an open position in accordance with the present disclosure;
FIG. 7 illustrates the first movable contact assembly in a tripped position and the second movable contact assembly in a tripped position in accordance with the present disclosure;
FIG. 8 illustrates the first movable contact assembly in a tripped position and the second movable contact assembly in a tripped position in accordance with the present disclosure;
figures 9 and 10 illustrate the connection of first and second linkage assemblies to first and second movable contact assemblies in accordance with the present disclosure;
FIGS. 11 and 12 illustrate the connection of first and second linkage assemblies with first and second stored spring energy mechanisms and a main shaft according to the present disclosure;
figure 13 illustrates a perspective view of first and second movable contact assemblies according to the present disclosure;
FIGS. 14A and 14B illustrate the attachment of first and second driver blades to first and second slide rods in accordance with the present disclosure;
fig. 15 illustrates a first stabilizing member and the second stabilizing member according to the present disclosure.
Detailed Description
The following describes the dual power automatic transfer switch mechanism according to the present disclosure with reference to the drawings.
According to an embodiment of the present disclosure, there is provided a driving mechanism of a dual power automatic transfer switch according to the present disclosure as shown in fig. 1, a perspective view as shown in fig. 2 from another angle, and a partial sectional view as shown in fig. 3 of fig. 2, the driving mechanism including: a first link assembly 1 and a second link assembly 2 which move between a switching-on position and a switching-off position, wherein when the first link assembly 1 and the second link assembly 2 are respectively in the switching-on position and the switching-off position thereof, the first movable contact assembly 10 and the second movable contact assembly 11 corresponding thereto (the number of the first movable contact assembly 10 and the second movable contact assembly 11 is one as shown in fig. 6 to 8, the number of the first movable contact assembly 10 and the second movable contact assembly 11 is three as shown in fig. 9 and 10, respectively, and the perspective view of the first movable contact assembly and the second movable contact assembly is shown in fig. 13) are also respectively in the switching-on position and the switching-off position thereof, so that the corresponding first power supply and the second power supply (not shown) are respectively in a power supply state and a non-power supply state; the main shaft 3 is connected with the first connecting rod assembly 1 and the second connecting rod assembly 2 in a transmission mode; a first spring energy storage mechanism 4 and a second spring energy storage mechanism 5 (as shown in fig. 1) acting on and respectively connected with the first connecting rod assembly 1 and the second connecting rod assembly 2 in a transmission manner, wherein the first spring energy storage mechanism 4 and the second spring energy storage mechanism 5 accelerate the switching-on and switching-off speeds of the first movable contact assembly 10 and the second movable contact assembly 11 by releasing energy stored by the first spring energy storage mechanism 4 and the second spring energy storage mechanism 5 through dead points; a first drive disk 6 and a second drive disk 7 which are respectively connected and arranged at both ends of the main shaft 3 and are driven by the main shaft 3 together; a first connecting part 8 which is in transmission connection with the first driving disk 6, the first spring energy storage mechanism 4 and the first connecting rod component 1; and a second connecting part 9 which is in transmission connection with the second driving disc 7, the second spring energy storage mechanism 5 and the second connecting rod assembly 2. In fig. 1, the first connecting member 8 and the second connecting member 9 are each an elongated rod-like member.
The first driving part 6-1 and the second driving part 7-1, respectively provided on the first driving disc 6 and the second driving disc 7, are provided with an angular difference and actuate the first connecting part 8 and the second connecting part 9, respectively, so that the first driving disc 6 and the second driving disc 7, when rotating together, do not cause the first link assembly 1 and the second link assembly 2 to be in the on-position at the same time, nor do the first movable contact assembly 10 and the second movable contact assembly 11 corresponding thereto be in the on-position at the same time, and thus the corresponding first power supply and the second power supply are not in the power supply state at the same time (as will be explained in detail below with reference to fig. 5 to 8).
According to the above embodiment of the present disclosure, the first driving disk 6 and the second driving disk 7 are fixedly connected with the main shaft 3, and one of the following connection forms is adopted: by means of a form fit as shown in fig. 4A; by way of a bayonet fit as shown in fig. 4B; as shown in fig. 4C, by a welded fit or a heat-and-cold-shrink fit. Of course, other forms may be adopted by those skilled in the art.
According to the above-described embodiment of the present disclosure, the first driving part 6-1 is provided with the first driving groove in which one end of the first connection part 8 is slidably disposed. The first driving groove drives the first coupling member 8 to rotate about the main shaft 3.
The second driving part 7-1 is provided with a second driving groove, and one end of the second connecting part 9 is slidably arranged in the second driving groove. The second drive slot drives the second coupling part 9 in rotation about the main shaft 3.
As shown in fig. 4A to 4C and fig. 5, the first driving groove and the second driving groove have an angular difference in their rotational directions with respect to each other, so that it can be ensured that the first driving disc 6 and the second driving disc 7 rotate together without simultaneously driving the first coupling part 8 and the second coupling part 9 or without simultaneously driving the first coupling part 8 and the second coupling part 9 beyond the mechanism dead point.
According to the above-described embodiment of the present disclosure, as shown in fig. 9 to 12, the first link assembly 1 includes the first slide bar 1-1 and the first driving plate 1-2. The first end of the first sliding rod 1-1 is rotatably connected with a first movable contact assembly 10 of the dual power automatic transfer switch. The second end of the first sliding rod 1-1 is rotatably connected with the first driving sheet 1-2.
The first connecting member 8 is used to drive the first driving plate 1-2. The first driving plate 1-2 is sleeved on the main shaft 3 and can rotate around the main shaft 3.
According to the above-described embodiment of the present disclosure, as also shown in fig. 9 to 12, the second link assembly 2 includes the second slide lever 2-1 and the second driving plate 2-2. The first end of the second sliding rod 2-1 is rotationally connected with a second movable contact component of the dual-power automatic transfer switch. The second end of the second sliding rod 2-1 is rotatably connected with the second driving sheet 2-2.
The second connecting member 9 is used for driving the second driving plate 2-2. The second driving plate 2-2 is sleeved on the main shaft 3 and can rotate around the main shaft 3.
According to the above embodiments of the present disclosure, as shown in fig. 1 and 15, the first spring energy storage mechanism 4 comprises a first spring support rod 4-1, a first spring telescopic rod 4-2 and a first spring 4-3.
The first spring telescopic rod 4-2 is arranged on the first spring support rod 4-1 and can move telescopically relative to the first spring support rod 4-1, and the first spring 4-3 acts between the first spring telescopic rod 4-2 and the first spring support rod 4-1.
The first connecting member 8 is connected to the first spring telescopic rod 4-2.
One end of the first spring support rod 4-1 is pivotally connected to the housing of the drive mechanism.
According to the above embodiments of the present disclosure, as shown in fig. 1 and 15, the second spring energy storage mechanism 5 comprises a second spring support rod 5-1, a second spring telescopic rod 5-2 and a second spring 5-3.
The second spring telescopic rod 5-2 is arranged on the second spring supporting rod 5-1 and can move telescopically relative to the second spring supporting rod 5-1, and the second spring 5-3 acts between the second spring telescopic rod 5-2 and the second spring supporting rod 5-1.
The second connecting member 9 is connected to the second spring telescopic rod 5-2.
One end of the second spring support rod 5-1 is pivotally connected to the housing of the drive mechanism.
According to the above embodiments of the present disclosure, as shown in fig. 3 and 15, the main shaft 3 is further sleeved with the first stabilizing member 12 and the second stabilizing member 13.
The first and second stabilizing elements 12, 13 are fitted over the main shaft 3 and rotate about the main shaft 3.
The first stabilizing member 12 is pivotally connected to the first spring telescopic rod 4-2 by the first connecting member 8.
The second stabilizing member 13 is pivotally connected to the second spring telescopic rod 5-2 by means of the second connecting member 9.
In fig. 3 and 15, the first and second stabilizing members 12 and 13 are U-shaped, one ends of the first and second spring extension rods 4-2 and 5-2 are received in the U-shaped openings of the first and second stabilizing members 12 and 13, respectively, and the other ends of the first and second spring extension rods 4-2 and 5-2 are telescopically movable in the first and second spring support rods 4-1 and 5-1, respectively. The first and second stabilizing members 12 and 13 are mainly used to stably transmit the force exerted by the spring to the first and second link assemblies 1 and 2.
The movement of the above-mentioned drive mechanism is explained in detail below in connection with fig. 5 to 8, where fig. 5 shows the different rotations of the first drive disk 6 and the second drive disk 7; fig. 6 shows the first movable contact assembly 10 in the on position and the second movable contact assembly 11 in the off position; fig. 7 shows the first movable contact assembly 10 in the open position and the second movable contact assembly 11 in the open position; fig. 8 shows the first movable contact assembly 10 in the open position and the second movable contact assembly 11 in the closed position.
In an initial state, a first movable contact assembly 10 of the dual-power automatic transfer switch is in a switching-on position and a second movable contact assembly 11 of the dual-power automatic transfer switch is in a switching-off position, a first driving disk 6 and a second driving disk 7 start to rotate together under the driving of a main shaft 3, a first driving groove 6-1 starts to drive a first connecting component 8 to move, a first spring energy storage mechanism 4 starts to store energy, the first spring energy storage mechanism 4 releases the stored energy after crossing a dead point of the first spring energy storage mechanism 4 so as to drive the movement of the first connecting component 8 to drive a first driving sheet 1-2 to rotate, so as to drive a first sliding rod 1-1 to move, the movement of the first sliding rod 1-1 drives the first movable contact assembly 10 to rotate towards a switching-off position of the first movable contact assembly 10, and keeps the first movable contact assembly 10 at the switching-off position, and in the process, the second driving groove 7-1 cannot drive a second connecting component 9 or cannot drive the second connecting component 9 to cross the mechanism Dead center so that the second movable contact assembly 11 is in its trip position and the first movable contact assembly 10 is in its trip position.
The first driving disk 6 and the second driving disk 7 continue to rotate together under the driving of the main shaft 3, the second driving groove 7-1 starts to drive the second connecting part 9 to move, the second spring energy storage mechanism 5 starts to store energy, after the second spring energy storage mechanism 5 passes over the dead point, the energy storage is released, so that the movement of the second connecting part 9 is driven to drive the second driving sheet 2-2 to rotate, thereby driving the second sliding rod 2-1 to move, the movement of the second sliding rod 2-1 drives the second movable contact assembly 11 to rotate towards the switching-on position thereof until being switched on and kept at the switching-on position thereof, the first driving groove 6-1 does not drive the first connecting member 8 or drive the first connecting member 8 beyond the mechanism dead point in this process, so that the first movable contact assembly 10 is in its open position and the second movable contact assembly 11 is in its closed position.
According to another aspect of the present disclosure, there is provided a dual power automatic transfer switch including a drive mechanism as described above, the dual power automatic transfer switch including first and second power sources and corresponding first and second movable contact assemblies, first and second stationary contact assemblies, the first and second power sources not being in a powered state simultaneously upon actuation of the drive mechanism.
While the disclosure has been described in the specification and drawings with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the disclosure as defined in the claims. Moreover, the combination and arrangement of features, elements and/or functions between specific embodiments herein is clearly apparent and thus, in light of this disclosure, one skilled in the art will appreciate that features, elements and/or functions of an embodiment may be incorporated into another specific embodiment as appropriate, unless described otherwise, above. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the disclosure without departing from the essential scope thereof. Therefore, it is intended that the disclosure not be limited to the particular embodiment illustrated by the drawings and described in the specification as the best mode presently contemplated for carrying out this disclosure, but that the disclosure will include all embodiments falling within the scope of the foregoing description and the appended claims.
Claims (9)
1. A drive mechanism of a dual power automatic transfer switch, the drive mechanism comprising:
a first link assembly and a second link assembly that move between a closing position and an opening position;
the main shaft is in transmission connection with the first connecting rod assembly and the second connecting rod assembly;
the first spring energy storage mechanism and the second spring energy storage mechanism respectively act on and are respectively connected with the first connecting rod assembly and the second connecting rod assembly in a transmission mode;
the first driving disc and the second driving disc are respectively connected with the two ends of the main shaft and are driven by the main shaft together;
a first coupling member drivingly connected to said first drive disk, said first spring energy storage mechanism, and said first link assembly;
the second connecting part is connected with the second driving disc, the second spring energy storage mechanism and the second connecting rod assembly in a transmission mode; wherein
A first drive feature and a second drive feature disposed on the first drive disk and the second drive disk, respectively, are provided with an angular difference and actuate the first and second coupling features, respectively, such that the first drive disk and the second drive disk, when co-rotating, do not cause the first link assembly and the second link assembly to be simultaneously in a closed position;
the first driving part is provided with a first driving groove, and one end of the first connecting part is arranged in the first driving groove in a sliding mode;
the second driving part is provided with a second driving groove, and one end of the second connecting part is arranged in the second driving groove in a sliding mode;
the first drive groove and the second drive groove have an angular difference in their rotational directions relative to each other, so that it can be ensured that the first drive groove and the second drive groove do not drive the first connecting part and the second connecting part simultaneously or drive the first connecting part and the second connecting part simultaneously beyond a mechanism dead point when the first drive disc and the second drive disc rotate together.
2. The drive mechanism as recited in claim 1,
the first connecting rod component comprises a first sliding rod and a first driving sheet;
the first end of the first sliding rod is rotationally connected with a first movable contact component of the dual-power automatic transfer switch;
the second end of the first sliding rod is rotatably connected with the first driving sheet;
the first connecting component is used for driving the first driving piece;
the first driving sheet is sleeved on the main shaft and can rotate around the main shaft.
3. The drive mechanism as recited in claim 2,
the second connecting rod assembly comprises a second sliding rod and a second driving sheet;
the first end of the second sliding rod is rotationally connected with a second movable contact component of the dual-power automatic transfer switch;
the second end of the second sliding rod is rotatably connected with the second driving sheet;
the second connecting part is used for driving the second driving sheet;
the second driving sheet is sleeved on the main shaft and can rotate around the main shaft.
4. The drive mechanism as recited in claim 3,
the first spring energy storage mechanism comprises a first spring support rod, a first spring telescopic rod and a first spring;
the first spring telescopic rod is arranged on the first spring supporting rod and can move in a telescopic mode relative to the first spring supporting rod, and the first spring acts between the first spring telescopic rod and the first spring supporting rod;
said first connecting member is connected to said first spring telescopic rod;
one end of the first spring support rod is pivotally connected to the housing of the drive mechanism.
5. The drive mechanism as recited in claim 4,
the second spring energy storage mechanism comprises a second spring support rod, a second spring telescopic rod and a second spring;
the second spring telescopic rod is arranged on the second spring supporting rod and can move in a telescopic mode relative to the second spring supporting rod, and the second spring acts between the second spring telescopic rod and the second spring supporting rod;
the second connecting part is connected to the second spring telescopic rod;
one end of the second spring support rod is pivotally connected to the housing of the drive mechanism.
6. The drive mechanism as recited in claim 5,
the main shaft is also sleeved with a first stabilizing component and a second stabilizing component;
the first and second stabilizing members rotate about the main shaft;
said first stabilizing member is pivotally connected to said first spring telescoping rod by said first connecting member;
the second stabilizing member is pivotally connected to the second spring telescoping rod by the second connecting member.
7. The drive mechanism as recited in claim 6,
in an initial state, a first movable contact component of the dual-power automatic transfer switch is in a switching-on position and a second movable contact component of the dual-power automatic transfer switch is in a switching-off position, the first driving disc and the second driving disc start to rotate together under the driving of the main shaft, the first driving groove starts to drive the first connecting component to move, the first spring energy storage mechanism starts to store energy, the first spring energy storage mechanism releases the stored energy after crossing a dead point of the first spring energy storage mechanism so as to drive the movement of the first connecting component to drive the first driving sheet to rotate and drive the first sliding rod to move, the movement of the first sliding rod drives the first movable contact component to rotate towards a switching-off position and keeps the first movable contact component in the switching-off position, and in the process, the second driving groove does not drive the second connecting component or drive the second connecting component to cross a mechanism dead point, thereby causing said second movable contact assembly to be in its tripped position and said first movable contact assembly to be in its tripped position;
the first driving disk and the second driving disk continue to rotate together under the driving of the main shaft, the second driving groove starts to drive the second connecting part to move, the second spring energy storage mechanism starts to store energy, after the second spring energy storage mechanism crosses the dead point, the energy storage of the second spring energy storage mechanism is released so as to drive the second connecting part to move and drive the second driving piece to rotate, thereby driving the second sliding rod to move, the movement of the second sliding rod drives the second movable contact component to rotate towards the switching-on position until the second movable contact component is switched on and is kept at the switching-on position, in the process the first driving groove does not drive the first connecting member or drive the first connecting member beyond the mechanism dead point, so that said first movable contact assembly is in its open position and said second movable contact assembly is in its closed position.
8. Drive mechanism according to one of the preceding claims,
the first driving disc and the second driving disc are fixedly connected with the main shaft, and one of the following connection forms is adopted:
by means of a form fit;
the mode of pin matching is adopted;
through the welding matching or the matching mode of expansion with heat and contraction with cold.
9. A dual power automatic transfer switch, characterized in that it comprises a drive mechanism according to one of the preceding claims.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810419215.5A CN110444416B (en) | 2018-05-04 | 2018-05-04 | Driving mechanism of dual-power automatic transfer switch and dual-power automatic transfer switch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810419215.5A CN110444416B (en) | 2018-05-04 | 2018-05-04 | Driving mechanism of dual-power automatic transfer switch and dual-power automatic transfer switch |
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| CN110444416A CN110444416A (en) | 2019-11-12 |
| CN110444416B true CN110444416B (en) | 2022-01-21 |
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Citations (7)
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