Operating mechanism, parallel mechanism and dual power transfer switch

Abstract

The present disclosure relates to an operating mechanism for a dual power conversion switch, including: a driving disk, configured to be able to rotate in different directions under the action of a driving force; an energy storage disk, configured to rotate under the drive of the driving disk, the energy storage disk is associated with an energy storage device, and the energy storage device is configured to release energy when the stored energy reaches a threshold value, so as to drive the energy storage disk to continue rotating after the driving force stops; a contact disk, configured to rotate under the drive of the energy storage disk, so as to drive the moving contact of the dual power conversion switch to switch; wherein the driving disk, the energy storage disk, and the contact disk are all positioned around the main shaft, and wherein the driving disk and the energy storage disk are adjacent to each other. The present disclosure also relates to a parallel mechanism and a dual power conversion switch.

Description

Technical Field

[0001] The present disclosure relates to an operating mechanism and a parallel mechanism for a dual power transfer switch and a dual power transfer switch having the operating mechanism or the parallel mechanism. Background Art

[0002] As people's requirements for power supply continuity, safety and reliability continue to deepen, the application of dual power transfer switches is becoming more and more extensive. Dual power transfer switches are mainly used in emergency power supply systems. Based on the status of the power circuit, they can switch the load circuit from one power source to another, such as switching between the mains power and the backup power source, so as to maintain the continuous and reliable operation of the load circuit.

[0003] As a key device to ensure power supply continuity, the electrical operation performance and on-load manual operation performance of the dual power transfer switch are crucial. Rapid opening is the key factor to ensure the electrical operation performance of the dual power transfer switch, while opening and closing without manual operation can ensure the safety and reliability of the manual on-load operation of the dual power transfer switch.

[0004] However, the operating mechanism of the existing dual power conversion switch is complex and has a narrow application range. When faced with a slight change in the application scenario, the entire internal structure of the switch needs to be redesigned, which makes the cost relatively high. It is hoped to provide an architecture of the operating mechanism of the dual power conversion switch that is more conducive to target parameterized design and structural design. Summary of the invention

[0005] In response to the above-mentioned problems and needs, the present disclosure proposes a novel dual-power conversion switch, which solves the above-mentioned problems and brings other technical effects by adopting the following technical features.

[0006] The present disclosure first proposes an operating mechanism for a dual power conversion switch, which is configured to switch a moving contact of the dual power conversion switch between a first power closing position where only a first power source is connected, a second power closing position where only a second power source is connected, and a dual opening position where neither the first power source nor the second power source is connected, wherein the operating mechanism includes:

[0007] A drive plate configured to rotate in different directions under the action of a driving force;

[0008] an energy storage disk, configured to rotate under the drive of the driving disk, the energy storage disk being associated with an energy storage device, the energy storage device being configured to release energy when the stored energy reaches a threshold value, so as to drive the energy storage disk to continue rotating after the driving force stops;

[0009] A contact disk, directly or indirectly connected to the energy storage disk, so as to rotate under the drive of the energy storage disk, and the contact disk is used to drive the moving contact of the dual power conversion switch to switch;

[0010] The driving disk, the energy storage disk and the contact disk are all positioned around the main shaft, wherein the driving disk and the energy storage disk are positioned adjacent to each other.

[0011] According to a preferred embodiment, the operating mechanism further comprises a handle configured to provide the driving force and a hand-operated disc connected to the handle to be driven thereby, the hand-operated disc being directly or indirectly connected to the driving disc or the energy storage disc to drive the rotation thereof.

[0012] According to a preferred embodiment, the hand-operated plate is fixed to a hand-operated mounting shaft parallel to the main shaft, and the handle is fixedly mounted to the hand-operated mounting shaft to drive the hand-operated plate to rotate by rotating the hand-operated mounting shaft.

[0013] According to a preferred embodiment, the operating mechanism further comprises a gear plate mounted to the main shaft, the gear plate meshes with the hand-operated plate and is connected to a drive plate or an energy storage plate to transmit the driving force of the handle to the drive plate or the energy storage plate in the future.

[0014] According to a preferred embodiment, the gear disk is arranged between the energy storage disk and the contact disk.

[0015] According to a preferred embodiment, the gear disk is arranged on a side of the drive disk away from the energy storage disk and the contact disk.

[0016] According to a preferred embodiment, the energy storage disk has a transmission pin to transmit power to the contact disk.

[0017] According to a preferred embodiment, the driving disc and the energy storage disc are formed as a one-piece structure.

[0018] According to a preferred embodiment, the driving disc and the energy storage disc are separate structures and are fixed to each other to rotate synchronously.

[0019] According to a preferred embodiment, the operating mechanism also includes an electromagnetic drive mechanism configured to provide the driving force, the electromagnetic drive mechanism includes a first electromagnetic drive component and a second electromagnetic drive component, the first electromagnetic drive component is configured to drive the drive disk to rotate in a first direction, and the second electromagnetic drive component is configured to drive the drive disk to rotate in a second direction.

[0020] According to a preferred embodiment, the operating mechanism further comprises a frame, which supports the main shaft and accommodates a portion of the driving disk, the energy storage disk and the contact disk.

[0021] According to a preferred embodiment, the contact disk has a disk-shaped main body portion and a contact disk pin extending from the main body portion for driving the moving contact to switch, wherein the main body portion is accommodated in the frame and the contact disk pin extends through the frame.

[0022] According to a preferred embodiment, the contact disc has a middle portion mounted to the main shaft and passing through the frame, a first reinforcement portion extending from the middle portion and located inside the frame, and a second reinforcement portion extending from the middle portion and located outside the frame, wherein the contact disc pin is located on the second reinforcement portion.

[0023] According to a preferred embodiment, the energy storage device includes a first energy storage device and a second energy storage device, wherein when the energy storage disk rotates along a first direction, the energy storage disk only drives the first energy storage device to store energy, while the second energy storage device does not store energy, and when the energy storage disk rotates along a second direction, the energy storage disk only drives the second energy storage device to store energy, while the first energy storage device does not store energy.

[0024] According to another aspect of the present disclosure, a parallel mechanism for a dual power conversion switch is proposed, which includes at least a first operating mechanism and a second operating mechanism, wherein the first operating mechanism and the second operating mechanism are both the operating mechanisms described above, wherein the parallel mechanism also includes a synchronization rod, which is connected to corresponding parts of the first operating mechanism and the second operating mechanism, and enables the two to rotate synchronously.

[0025] According to a preferred embodiment, in the parallel mechanism, both the first operating mechanism and the second operating mechanism have a hand-operated disk, and the synchronization rod is connected to the hand-operated disks of the first operating mechanism and the second operating mechanism so that the two rotate synchronously.

[0026] According to another aspect of the present disclosure, a dual power transfer switch is provided, which has the operating mechanism as described above, or the parallel mechanism as described above. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings of the embodiments of the present disclosure are briefly introduced below. The drawings are only used to show some embodiments of the present disclosure, but not to limit all embodiments of the present disclosure thereto.

[0028] Figure 1 The overall schematic diagram of the operating mechanism for the dual power conversion switch proposed in the present disclosure is shown;

[0029] Figure 2 A first exemplary embodiment of an operating mechanism for a dual power transfer switch proposed in the present disclosure is shown;

[0030] Figure 3 A second exemplary embodiment of the operating mechanism for a dual power transfer switch proposed in the present disclosure is shown;

[0031] Figure 4 A third exemplary embodiment of an operating mechanism for a dual power conversion switch proposed in the present disclosure is shown;

[0032] Figure 5 A fourth exemplary embodiment of an operating mechanism for a dual power transfer switch proposed in the present disclosure is shown;

[0033] Figure 6 A fifth exemplary embodiment of an operating mechanism for a dual power transfer switch proposed in the present disclosure is shown;

[0034] Figure 7 The parallel mechanism for a dual power conversion switch proposed in the disclosure is shown;

[0035] Figures 8A-8F An electromagnetic drive mechanism that can be used in the operating mechanism of the present disclosure is presented.

[0036] Reference numerals list

[0037] 1. Driving mechanism

[0038] 2 Energy storage mechanism

[0039] 3 Contact mechanism

[0040] 4 Manual mechanism

[0041] 5 Motion transmission parts

[0042] 10 Driver disk

[0043] 20 Energy storage disk

[0044] 30 Contact plate

[0045] 31 Contact disc pin

[0046] 32 First reinforcement part

[0047] 33 Middle part

[0048] 34 Second reinforcement part

[0049] 40 Handle

[0050] 50 Spindle

[0051] 60 Hands

[0052] 70 gear plate

[0053] 80 rack

[0054] 90 Manual installation shaft

[0055] A. The first energy storage device

[0056] B Second energy storage device

[0057] C Synchronous lever

[0058] D Contact spindle

[0059] 100 Electromagnetic drive mechanism

[0060] 101 Rotating parts

[0061] 102 Electromagnet

[0062] 103 Driving arm

[0063] 104 Traction arm

[0064] 105 Lever

[0065] 106 Column

[0066] 106A First stud

[0067] 106B Second protrusion DETAILED DESCRIPTION

[0068] In order to make the purpose, technical solution and advantages of the technical solution of the present disclosure clearer, the technical solution of the embodiment of the present disclosure will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present disclosure. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0069] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by persons of ordinary skill in the field to which the present disclosure belongs. The words "first", "second" and similar words used in the patent application specification and claims of the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "one" do not necessarily indicate a quantity restriction. Words such as "include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0070] Figure 1 The overall principle diagram of the operating mechanism for the dual power conversion switch proposed in the present disclosure is shown. The operating mechanism generally includes a driving mechanism 1, an energy storage mechanism 2, and a contact mechanism 3, with motion transmission members arranged therebetween to achieve motion transmission between the mechanisms.

[0071] The drive mechanism 1 can transfer energy from a driver (such as an electromagnetic driver or a motor) or a manual mechanism 4 to the energy storage mechanism 2, so that the energy storage mechanism 2 stores energy. When the energy of the energy storage mechanism 2 reaches a threshold, the energy storage mechanism 2 releases energy, thereby driving the contact mechanism 3 to move, and the contact mechanism 3 transfers power to the disconnecting unit of the dual power conversion switch (in Figure 1 The dual power conversion switch is represented by the dotted line portion in the figure), realizing the opening and closing function of the dual power conversion switch, that is, the moving contact of the dual power conversion switch is switched between the first power closing position in which only the first power is connected, the second power closing position in which only the second power is connected, and the dual opening position in which neither the first power nor the second power is connected.

[0072] The energy storage mechanism 2 can be placed on the left or right side of the driving mechanism 1 , or can be embedded in the driving mechanism 1 .

[0073] According to the position of the disconnecting unit, the contact mechanism 3 can be placed on the rightmost side of the mechanism (such as Figure 1 As shown, the disconnecting unit is placed on the right side of the operating mechanism) or on the far left (when the disconnecting unit is placed on the left side of the operating mechanism).

[0074] The operating mechanism proposed in the present disclosure may also include a manual operating mechanism 4. The manual operating mechanism 4 is always placed upstream of the energy storage mechanism 2, so that the mechanism is a human-free operating mechanism.

[0075] Figure 2 The first exemplary embodiment of the operating mechanism for the dual power conversion switch proposed in the present disclosure is shown. Figure 2 The operating mechanism includes a driving disk 10, an energy storage disk 20, and a contact disk 30.

[0076] The driving disk 10 is configured to be able to rotate in different directions under the action of a driving force, which may be a driving force from the manual operating mechanism 4, or a driving force from an electromagnetic driving mechanism or a motor.

[0077] The energy storage disk 20 is configured to rotate under the drive of the driving disk 10, and the energy storage disk 20 is associated with an energy storage device, and the energy storage device releases energy when the stored energy reaches a threshold value to continue to drive the energy storage disk 20 to rotate when the driving force stops. Among them, the present disclosure can utilize various types of energy storage devices.

[0078] According to the specific scheme shown in the accompanying drawings, the energy storage disk 20 is associated with a first energy storage device A and a second energy storage device B, wherein when the energy storage disk 20 rotates in a first direction, the energy storage disk 20 only drives the first energy storage device A to store energy, while the second energy storage device B does not store energy; when the energy storage disk 20 rotates in a second direction, the energy storage disk 20 only drives the second energy storage device B to store energy, while the first energy storage device A does not store energy, and wherein both the first energy storage device A and the second energy storage device B are configured to release energy when the stored energy reaches a threshold value, so as to continue to drive the energy storage disk 20 to rotate when the driving force stops.

[0079] Optionally, the driving disk 10 and the energy storage disk 20 may be formed as a single-piece structure.

[0080] Optionally, the driving disk 10 and the energy storage disk 20 are separate structures and are fixed to each other to rotate synchronously. For example, the energy storage disk 20 can be embedded in the driving disk 10. Figure 2-6 The embodiments all show that the driving disk 10 and the energy storage disk 20 are separate structures, and the two are connected together by pins or other structures.

[0081] The contact disk 30 is configured to rotate under the drive of the energy storage disk 20 to drive the moving contact of the dual power conversion switch to switch. Specifically, the contact disk 30 can drive the moving contact main shaft D to rotate through its contact disk pin 31 through the intermediate transmission member, thereby switching the position of the moving contact.

[0082] The contact disk can be provided with an opening, and a pin fixed to the energy storage disk passes through the opening to drive the contact disk to rotate. Preferably, the opening of the contact disk is arc-shaped, so that the pin has a lost motion when driving the contact disk to rotate, that is, the pin initially moves in the arc-shaped opening without contacting and thus does not drive the contact disk, and when the pin moves to the edge of the arc-shaped opening, it drives the contact disk to rotate by pushing the edge.

[0083] According to the present disclosure, the drive disk 10, the energy storage disk 20, and the contact disk 30 all rotate around the main shaft 50. Based on such a structure, the positions of the drive disk 10, the energy storage disk 20, the contact disk 30, etc. can be flexibly adjusted to form an operating mechanism suitable for different application occasions.

[0084] Continue to see Figure 2 The operating mechanism may further include a handle 40 configured to provide the driving force and a hand-operated disc 60 driven by the handle 40 , wherein the handle 40 drives the driving disc 10 or the energy storage disc 20 to rotate through the hand-operated disc 60 .

[0085] The hand-operated plate 60 is fixed to a hand-operated mounting shaft 90 parallel to the main shaft 50 , and the handle 40 is mounted to the hand-operated mounting shaft 90 to drive the hand-operated plate 60 to rotate by rotating the hand-operated mounting shaft 90 .

[0086] The operating mechanism may further include a gear plate 70 mounted to the main shaft 50 , the gear plate 70 meshing with the hand-operated plate 60 and connected to the drive plate 10 or the energy storage plate 20 to transmit the driving force of the handle 40 to the drive plate 10 or the energy storage plate 20 in the future.

[0087] according to Figure 2 In the embodiment shown, the gear plate 70 is arranged between the energy storage plate 20 and the contact plate 30 ( Figure 3 , 4 In this case, the gear plate 70 not only serves as a motion transmission member from the handle 40 to the drive plate 10 or the energy storage plate 20, but also serves as a motion transmission member from the energy storage plate 20 to the contact plate 30 when the energy storage plate 20 releases energy. Such a solution also simplifies the number of components and is conducive to compact design.

[0088] Alternatively, the gear plate 70 may also be arranged on a side of the drive plate 10 away from the energy storage plate 20 and the contact plate 30, for example Figure 5 , 6 For such a situation, the movement from the energy storage disk 20 to the contact disk 30 is transmitted through a pin or other transmission member.

[0089] for Figure 2When the handle 40 is operated, the handle 40 transmits power to the hand-operated mounting shaft 90, and the hand-operated mounting shaft 90 drives the hand-operated plate 60 to rotate, and the hand-operated plate 60 further drives the gear plate 70 meshing therewith to rotate. The gear plate 70 drives the energy storage plate 20 to rotate, and according to the rotation direction of the energy storage plate 20, one of the first and second energy storage devices B stores energy (the other does not store energy). When the energy stored in it reaches a threshold, it releases energy, so that the energy storage plate 20 at this time becomes a new energy source, which continues to drive the disconnecting unit of the switch through the contact plate 30.

[0090] The architectural design of the switching switch operating mechanism proposed in the present disclosure is conducive to target parameterized design. On the one hand, the type of the contact mechanism 3 and the energy of the energy storage mechanism 2 can be determined according to the parameter requirements of the opening and closing speed of the moving contact. On the other hand, the type and power of the driving mechanism 1 can be determined according to the energy requirements of the energy storage mechanism 2, so as to obtain the required moving contact opening speed with minimum energy.

[0091] The architectural design of the transfer switch operating mechanism proposed in the present disclosure is also conducive to modular design, that is, a standard mechanism can be established that meets the performance requirements of the transfer switch, such as making the moving contact of the switch open at a required opening speed to obtain a higher electrical operating performance. Moreover, by connecting two or more standard operating mechanisms in parallel, the combined parallel mechanism can be combined with a disconnecting unit of a higher current level to obtain the same opening speed as above to obtain a similarly high electrical operating performance. The parallel mechanism will be combined with Figure 7 Provide explanation.

[0092] Figure 3-6 The second to fifth exemplary embodiments of the operating mechanism for the dual power conversion switch proposed in the present disclosure are respectively shown. It can be seen from it that the operating mechanism can also include a frame 80, which supports the main shaft 50 and accommodates a part of the drive disk 10, the energy storage disk 20 and the contact disk 30.

[0093] It should be noted that the drive disk 10 and the energy storage disk 20 can be formed as a single piece, or two parts that are embedded or fixed together. In any case, the drive disk 10 and the energy storage disk 20 rotate synchronously. Figure 2-7 In each of the embodiments, the positions of the driving disk 10 and the energy storage disk 20 can be interchanged.

[0094] Figure 3 and Figure 4The gear plate 70 is arranged between the energy storage plate 20 and the contact plate 30. When the handle 40 is operated, the gear pump transmits the driving force of the handle 40 to the drive plate 10 and the energy storage plate 20. When the handle 40 stops providing driving force to the operating mechanism, the energy storage plate 20 that starts to release energy becomes a new power source, and the gear plate 70 transmits the energy of the energy storage plate 20 to the contact plate 30.

[0095] Figure 3 In the embodiment, the contact disk 30 has a disk-shaped main body portion, and a contact disk pin 31 extending from the main body portion for driving the moving contact to switch, wherein the main body portion is accommodated in the frame 80, and the contact disk pin 31 extends through the frame 80.

[0096] Figure 4 In the embodiment, the contact disk 30 has a middle portion 33 mounted on the main shaft 50 and passing through the frame 80, a first reinforcement portion 32 extending from the middle portion 33 and located inside the frame 80, and a second reinforcement portion 34 extending from the middle portion 33 and located outside the frame 80, and the contact disk pin 31 is located on the second reinforcement portion 34. Through the second reinforcement portion 34, the contact disk pin 31 does not need to be made too long, thereby avoiding insufficient force transmission due to deformation of the contact disk pin 31. Similarly, the first reinforcement portion 32 can be provided with a transmission member connected to other components (the gear disk 70 in this embodiment).

[0097] Figure 5 and Figure 6 The gear disk 70 is arranged on a side of the drive disk 10 away from the energy storage disk 20 and the contact disk 30 . Figure 5 and Figure 6 The main difference is that Figure 5 The middle contact plate 30 is arranged on the right side of the operating mechanism. Figure 6 The middle contact disk 30 is arranged on the left side of the operating mechanism.

[0098] The present disclosure also proposes a parallel mechanism, which includes at least a first operating mechanism and a second operating mechanism, wherein the first operating mechanism and the second operating mechanism are both operating mechanisms as described in any of the above embodiments. The parallel mechanism includes a synchronization rod C, which connects the corresponding parts of the first operating mechanism and the second operating mechanism and enables the two to rotate synchronously.

[0099] Figure 7 That is, a parallel mechanism is shown. In which, both the first operating mechanism and the second operating mechanism have a hand-operated plate 60, and the synchronization rod C connects the hand-operated plates 60 of the first operating mechanism and the second operating mechanism and makes the two rotate synchronously. For this solution, the moving contact main shaft D is rotated by the first operating mechanism and the second operating mechanism.

[0100] The operating mechanism proposed in the present disclosure can be combined with a disconnecting unit to form a dual power transfer switch, or can be combined with an ATS (automatic transfer switch) control to form a dual power automatic transfer switch.

[0101] The following takes the dual power switch transfer switch as an example to explain the working principle of Le.

[0102] When the "normal power" is turned on, the "driver" drives the "drive disk" to rotate (e.g. clockwise), thereby driving the "energy storage disk" to store energy. Then, the "driver" stops driving after the "energy storage spring" passes the dead point, and then the energy storage spring releases the energy to cause the "contact mechanism" to move, completing the "normal power" closing operation.

[0103] When the "normal power" is turned on, the "driver" drives the "drive disk" to rotate (e.g. counterclockwise), thereby driving the "energy storage disk" to store energy. Then, the "driver" stops driving after the "energy storage spring" passes the dead point, and then the energy storage spring releases the energy to cause the "contact mechanism" to move, completing the "normal power" operation.

[0104] When the "standby power" is turned on, the "driver" drives the "drive disk" to rotate (e.g. counterclockwise), thereby driving the "energy storage disk" to store energy. Then, the "driver" stops driving after the "energy storage spring" passes the dead point, and then the energy storage spring releases the energy to cause the "contact mechanism" to move, completing the "standby power" closing operation.

[0105] When the "standby power" operation is turned on, the "driver" drives the "drive disk" to rotate (e.g. clockwise), thereby driving the "energy storage disk" to store energy. Then, the "driver" stops driving after the "energy storage spring" passes the dead point, and then the energy storage spring releases the energy to cause the "contact mechanism" to move, completing the "standby power" operation.

[0106] Electromagnetic drive mechanism

[0107] As mentioned above, the driving force for driving the dual power conversion switch can be the driving force from an electromagnetic driving mechanism or a motor. A preferred implementation of the electromagnetic driving mechanism and its operating principle will be introduced below.

[0108] The electromagnetic drive mechanism includes a first electromagnetic drive component and a second electromagnetic drive component. The first electromagnetic drive component is configured to drive the drive disk 10 to rotate in a first direction, and the second electromagnetic drive component is configured to drive the drive disk 10 to rotate in a second direction.

[0109] See also Figures 8A-8F , which shows a preferred embodiment of an electromagnetic drive mechanism that can be used in the operating mechanism of the present disclosure. Figures 8A-8F In the embodiment, the driving disc 10 is specifically in the form of a circular rotating disc 101 .

[0110] When the rotating disk 101 rotates by an angle in the first direction, the moving contact is driven to rotate by a corresponding angle in the first direction, so that the moving contact switches from one position to an adjacent position in the first sequence; when the rotating disk 101 rotates by an angle in the opposite second direction, the moving contact is driven to rotate by a corresponding angle in the second direction, so that the moving contact switches from one position to another adjacent position in the opposite second sequence. Therefore, depending on the setting of the rotation direction and sequence of the rotating disk 101, the desired position switching function can be realized as needed.

[0111] The electromagnetic drive mechanism may include an electromagnet 102 and a driving arm 103 of a ferromagnetic material driven by the electromagnet. When the electromagnet 102 is energized, the driving arm 103 translates along a first direction through a stroke, for example, it may approach the electromagnet; when the electromagnet 102 is de-energized, the driving arm 103 translates under the bias of the elastic reset member and returns to the initial position, for example, it may move away from the electromagnet to prepare for the next action. This elastic reset member may be in the form of a compression spring, a tension spring, a torsion spring, etc., arranged between the driving arm 103 and the housing, as long as it can apply a biasing force to the driving arm 103 to return to the initial position.

[0112] Referring to the accompanying drawings, the electromagnetic drive mechanism 100 includes a traction arm 104 and a lever 105 hinged to the traction arm. The traction arm 104 is fixed to the end of the driving arm 103, so as to move in translation with the driving arm 103. In order to further limit the translational movement of the traction arm 104, a protrusion can be provided thereon, and the protrusion cooperates with the linear track on the housing, so as to guide the traction arm 104 to move only in a straight line without rotation. In other embodiments, the traction arm 104 can also be hinged to the driving arm 103 to allow the traction arm 104 to rotate at a small angle during the translational movement. The upper end of the lever 105 is hinged to the end of the traction arm 104. At the hinge, the traction arm 104 can have a stopper for limiting the rotation of the lever 105, so as to limit the maximum rotation angle of the lever 105. The turntable 101 has the form of a turntable 101, on which at least one protruding column 106 is provided. The lever 105, which is restricted from rotating, can abut against the right side of the protrusion 106 on the rotating disk 101, and the rotating disk 101 can be driven to rotate by moving the protrusion 106. Figure 8B As shown in FIG. 1 , when the upper end of the lever 105 abuts against the stopper, the angle between the lever 105 and the traction arm 104 is limited to approximately 90 degrees. In other embodiments, other maximum rotation angles are also feasible, such as greater than 90 degrees or less than 90 degrees, as long as the lever 105 whose rotation is restricted can drive the turntable 101 to rotate. In addition, a torsion spring is further provided at the hinge of the lever 105 and the traction arm 104, and the torsion spring applies a spring biasing force between the lever 105 and the traction arm 104 to urge the lever 105 to be at the position of the maximum rotation angle.

[0113] As shown in the figure, in the dual power conversion switch, two groups of identical electromagnetic drive mechanisms can be provided, and the two groups are arranged on the upper and lower sides of the turntable 101 in a mirror-symmetrical manner. The lever 105 of the electromagnetic drive mechanism 101 on the upper side can drive the turntable 101 to rotate counterclockwise, and the lever of the second electromagnetic drive mechanism on the lower side can drive the turntable 101 to rotate clockwise. Four protruding posts are provided on the turntable 101, which are symmetrically arranged about the rotation axis, and every two protruding posts are used for the same group of electromagnetic drive mechanisms. For example, the first protruding post 106A and the second protruding post 106B in the figure are used for the lever 105 of the first electromagnetic drive mechanism 101. The angle between the two protruding posts can be 60 degrees, and can be other angles in other embodiments to achieve the desired rotation angle. The electromagnetic drive mechanism 100 on the upper side is used as an example to illustrate the working principle. It should be understood that these descriptions are also applicable to the other electromagnetic drive mechanism on the lower side.

[0114] like Fig. 8A As shown, the electromagnet 102 is not excited, and the driving arm 103 is at the right position away from the electromagnet 102. At this time, since the maximum distance between the protruding posts 106A and 106B and the rotation axis of the turntable 101 is less than the minimum distance between the traction arm 104 and the lever 105 and the rotation axis, when the turntable 101 is driven by another driving mechanism at the lower side to rotate clockwise, the driving arm 104 and the lever 105 will not interfere with the protruding posts 106A or 106B, thereby allowing the other driving mechanism to work independently, and vice versa.

[0115] When the electromagnet 102 is energized, the drive arm 103 is driven to Fig. 8A Move the right position shown to Figure 8B As shown, the driving arm 103 moves the lever 105 to the left position close to the electromagnet via the linked traction arm 104. At the same time, the driving arm 103 drives the lever 105 to translate via the linked traction arm 104. When the lever 105 abuts against the adjacent first protrusion 106A at its left edge, the lever 105 remains at the maximum rotation angle position, and moves the first protrusion 106A along the arc trajectory to make the turntable 101 rotate through the first angle. During this period, the protrusion 106A slides along the left edge of the lever 105 without interfering with the traction arm 104. As the turntable 101 rotates, the moving contact of the switch switches from the first power position to the double-open position.

[0116] When the electromagnet 102 loses power, the driving arm 103 moves to the right under the action of the reset spring. As the driving arm 103 moves, the right edge of the lever 105 contacts the left side of the second protruding column 106B. Since the anti-rotation torque of the turntable 101 is greater than the anti-rotation torque of the lever 105, the turntable 101 will not rotate clockwise, and the second protruding column 106B will push the lever to swing to the left, so that the angle between the lever 105 and the traction arm 104 gradually decreases. At the same time, the right edge of the lever 105 slides along the outer periphery of the second protruding column 106B until the lever 105 passes over the second protruding column 106B as a whole. Figure 8C Once the second protrusion 106B is passed, the lever 105 rebounds to its initial position perpendicular to the traction arm 104 under the bias of the torsion spring. As the driving arm 103 continues to move to the right, the lever 105 eventually returns to its initial position, as shown in FIG. Fig.8D During this restoring action, the rotating disk 101 and its protruding column remain stationary, and the moving contact remains in the double-open position.

[0117] When the electromagnet 102 is energized again, the driving arm 103 is driven to move leftward again, so that the lever 105 abuts against the right side of the second protruding column 106B. Fig. 8E As the driving arm 103 pulls, the lever 105 drives the second protruding column 106B to rotate, so that the turntable 101 rotates counterclockwise through a second angle, as shown in FIG. Figure 8F At this time, the moving contact is switched from the double-open position to the second power supply position. In the two driving actions, the travel of the driving arm 103 is the same, and the two rotation angles of the rotating disk 101 are also the same.

[0118] When the electromagnet 102 loses power again, the driving arm 103 can drive the lever 105 to directly return to its initial position. At this time, the other electromagnetic driving mechanism on the lower side can be operated. Similar to the above process, the other electromagnetic driving mechanism can drive the rotating disk to rotate clockwise, thereby driving the moving contact to switch from the second power position to the double-off position, or from the double-off position to the first power position.

[0119] By setting the excitation sequence of the upper electromagnet 102 and the other electromagnet at the lower side, any desired switching sequence can be achieved. It should be noted that the two electromagnets cannot be excited at the same time to avoid interference between the movements of the two sets of electromagnetic drive mechanisms and damage to components.

[0120] Energy storage mechanism

[0121] A preferred implementation and operating principle of the energy storage mechanism will be introduced below.

[0122] The first energy storage device A and the second energy storage device B are respectively a first spring support assembly having a first spring and a second spring support assembly having a second spring, and the ends of the first spring support assembly and the second spring support assembly away from the energy storage disk 20 are rotatably fixed to the frame 80 of the operating mechanism on both sides of the energy storage disk 20. The ends of the first spring support assembly and the second spring support assembly engaging the energy storage disk 20 selectively approach or move away from the fixed end as the energy storage disk 20 rotates. In this way, as the energy storage disk 20 rotates, the first spring support assembly and the second spring support assembly store or release energy.

[0123] Specifically, in the process of switching the dual power conversion switch from the dual split position to the first power closed position, the energy storage disk 20 rotates in the first direction to drive the first energy storage device A, so that the first energy storage device A starts to compress and store energy from the initial state. When the first energy storage device A reaches the energy storage state with the maximum stored energy, the external force on the energy storage disk 20 is removed, and the first energy storage device A begins to release energy and drives the energy storage disk 20 to continue rotating, and drives the first power closed until the energy storage disk 20 rotates to its maximum angle position. At this time, the first energy storage device A is in an energy release state in which the stored energy is at least partially released. That is to say, in the process of switching the dual power conversion switch from the dual split position to the first power closed position, the first energy storage device A undergoes a process of first storing energy and then releasing energy. During this process, the second energy storage device is not driven to store energy.

[0124] The reverse process of the above process is the process of converting the dual power conversion switch from the first power on position back to the double off position. Specifically, the energy storage disk 20 starts to rotate and drive the first energy storage device A under the action of external force from its maximum angle position, so that the first energy storage device A starts to compress and store energy from the energy release state. Then, the energy storage disk 20 reaches the energy storage state with the maximum stored energy again. At this time, the external force on the energy storage disk 20 is removed, the first energy storage device A starts to release energy and drives the energy storage disk 20 to continue rotating, and drives the first power to open. Then, the drive device 2 rotates back to the double off position (middle angle position), and the first energy storage device A returns to its initial state. That is to say, in the process of converting the dual power conversion switch from the first power on position to the double off position, the first energy storage device A also undergoes a process of first storing energy and then releasing energy.

[0125] The exemplary implementation scheme of the present disclosure is described in detail above with reference to the preferred embodiments. However, it can be understood by those skilled in the art that, without departing from the concept of the present disclosure, various modifications and variations can be made to the above-mentioned specific embodiments, and various technical features and structures proposed in the present disclosure can be combined in various ways without exceeding the protection scope of the present disclosure, which is determined by the attached claims.

Claims

1. An operating mechanism for a dual power conversion switch, configured to switch a moving contact of the dual power conversion switch between a first power closing position where only a first power source is connected, a second power closing position where only a second power source is connected, and a dual opening position where neither the first power source nor the second power source is connected, wherein: The operating mechanism comprises: A driving disk (10) configured to be able to rotate in different directions under the action of a driving force; An energy storage disk (20) is configured to rotate under the drive of the driving disk (10), the energy storage disk (20) is associated with an energy storage device, and the energy storage device is configured to release energy when the stored energy reaches a threshold value, so as to drive the energy storage disk (20) to continue rotating after the driving force stops; A contact disk (30) is directly or indirectly connected to the energy storage disk (20) so as to rotate under the drive of the energy storage disk (20), and the contact disk is used to drive the moving contact of the dual power conversion switch to switch; The driving disk (10), the energy storage disk (20), and the contact disk (30) are all positioned around the main shaft (50), and the driving disk and the energy storage disk are adjacent to each other.

2. The operating mechanism as described in claim 1 further includes a handle (40) configured to provide the driving force and a hand-operated disc (60) connected to the handle (40) to be driven thereby, and the hand-operated disc (60) is directly or indirectly connected to the driving disc (10) or the energy storage disc (20) to drive its rotation.

3. The operating mechanism according to claim 2, wherein: The hand-operated plate (60) is fixed to a hand-operated mounting shaft (90) parallel to the main shaft (50), and the handle (40) is mounted to the hand-operated mounting shaft (90) to drive the hand-operated plate (60) to rotate by rotating the hand-operated mounting shaft (90).

4. The operating mechanism according to claim 2, wherein: The operating mechanism further comprises a gear plate (70) mounted on the main shaft (50), wherein the gear plate (70) is meshed with the hand-operated plate (60) and connected to the drive plate (10) or the energy storage plate (20) so as to transmit the driving force of the handle (40) to the drive plate (10) or the energy storage plate (20).

5. The operating mechanism according to claim 4, wherein: The gear disk (70) is arranged between the energy storage disk (20) and the contact disk (30).

6. The operating mechanism according to claim 4, wherein: The gear disk (70) is arranged on a side of the drive disk (10) away from the energy storage disk (20) and the contact disk (30).

7. The operating mechanism according to claim 6, wherein the energy storage disk (20) transmits power to the contact disk (30) via a transmission pin.

8. The operating mechanism according to claim 1, wherein: The driving disk (10) and the energy storage disk (20) are formed as a single-piece structure.

9. The operating mechanism according to claim 1, wherein: The driving disk (10) and the energy storage disk (20) are separate structures and are fixed to each other so as to rotate synchronously.

10. The operating mechanism as described in claim 1 further includes an electromagnetic drive mechanism configured to provide the driving force, the electromagnetic drive mechanism includes a first electromagnetic drive component and a second electromagnetic drive component, the first electromagnetic drive component is configured to drive the drive disk (10) to rotate in a first direction, and the second electromagnetic drive component is configured to drive the drive disk (10) to rotate in a second direction.

11. The operating mechanism according to claim 1, further comprising a frame (80), wherein the frame (80) supports the main shaft (50) and accommodates a portion of the driving disk (10), the energy storage disk (20) and the contact disk (30).

12. The operating mechanism according to claim 11, wherein: The contact disk (30) has a disk-shaped main body portion and a contact disk pin (31) extending from the main body portion and used to drive the moving contact to switch, wherein the main body portion is accommodated in the frame (80), and the contact disk pin (31) extends through the frame (80).

13. The operating mechanism according to claim 12, wherein: The contact disk (30) has a middle portion (33) mounted to the main shaft (50) and passing through the frame (80), a first reinforcement portion (32) extending from the middle portion (33) and located inside the frame (80), and a second reinforcement portion (34) extending from the middle portion (33) and located outside the frame (80), and the contact disk pin (31) is located on the second reinforcement portion (34).

14. The operating mechanism according to claim 1, wherein the energy storage device comprises a first energy storage device (A) and a second energy storage device (B), wherein: When the energy storage disk (20) rotates in a first direction, the energy storage disk (20) only drives the first energy storage device (A) to store energy, while the second energy storage device (B) does not store energy; when the energy storage disk (20) rotates in a second direction, the energy storage disk (20) only drives the second energy storage device (B) to store energy, while the first energy storage device (A) does not store energy.

15. A parallel mechanism for a dual power conversion switch, comprising at least a first operating mechanism and a second operating mechanism, wherein the first operating mechanism and the second operating mechanism are both the operating mechanisms according to any one of claims 1 to 14, wherein: The parallel mechanism also includes a synchronization rod (C), which connects the first operating mechanism and the corresponding parts of the second operating mechanism and enables the two to rotate synchronously.

16. The parallel mechanism as claimed in claim 15, wherein the first operating mechanism and the second operating mechanism both have a hand-operated disk (60), and the synchronization rod (C) connects the hand-operated disks (60) of the first operating mechanism and the second operating mechanism and enables the two to rotate synchronously.

17. A dual power conversion switch having an operating mechanism as claimed in any one of claims 1 to 14, or a parallel mechanism as claimed in any one of claims 15 to 16.

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