Energy storage motor operated mechanism and remote control circuit breaker

Abstract

The present application relates to a kind of energy storage type electric operating mechanism and remote control circuit breaker, energy storage type electric operating mechanism, including energy storage device and with it to connect to its energy storage automatic energy storage drive mechanism, the energy storage device includes the transmission rotating shaft for receiving external rotating mechanical energy to realize its energy storage action, the automatic energy storage drive mechanism includes automatic actuating mechanism and reduction gear train, the automatic actuating mechanism, reduction gear train and transmission rotating shaft are transmission connection, the automatic actuating mechanism is transferred rotating mechanical energy to the transmission rotating shaft by the reduction gear train, and the output load of the automatic actuating mechanism is also removed by the reduction gear train.By the structure of the reduction gear train structure that is also optimized, the transmission ratio of the gear train is increased, the output torque of the motor is reduced, the power consumption and the volume of the motor are reduced, the mechanical transmission efficiency is improved, the installation space of gear is saved, so as to reduce the appearance volume of energy storage type electric operating mechanism.

Description

Technical Field

[0001] This invention relates to the field of remote control circuit breakers, and more specifically to an energy storage electric operating mechanism. Background Technology

[0002] Energy storage electric operating mechanisms are a type of electric operating mechanism widely used in remotely controlled circuit breakers with high voltage levels. Upon receiving remote control commands, the remotely controlled circuit breaker executes actions via the energy storage electric operating mechanism. Energy storage electric operating mechanisms are used for remotely controlling the opening and closing of circuit breakers, as well as pre-storing energy in the open state and releasing energy during closing to achieve rapid closing of the circuit breaker. Energy storage electric operating mechanisms consist of an energy storage device and an energy storage drive mechanism to realize the energy storage action. The energy storage drive mechanism typically includes a manual energy storage drive mechanism and an automatic energy storage drive mechanism. Existing energy storage electric operating mechanisms often cannot reasonably arrange the manual and automatic energy storage drive mechanisms, resulting in a bulky structure, excessive height, and difficulty in installation within distribution cabinets.

[0003] Furthermore, in existing technologies, some automatic energy storage drive mechanisms use a high-ratio reduction gear set in conjunction with a clutch mechanism to achieve deceleration and anti-stalling functions. Although this achieves high-ratio deceleration, the use of a clutch mechanism not only occupies additional installation space but also significantly increases assembly precision and cost. Other methods use standard planetary reduction mechanisms to achieve deceleration and anti-stalling functions, but their reduction ratio is relatively small, thus placing higher demands on the drive motor. The motor needs to have a larger output torque, resulting in greater power consumption and larger size. Summary of the Invention

[0004] Therefore, in order to address the above problems, this invention proposes a structurally optimized energy storage electric operating mechanism and a remote control circuit breaker.

[0005] This invention is achieved using the following technical solution:

[0006] This invention proposes an energy storage electric operating mechanism, including an energy storage device and an automatic energy storage drive mechanism connected thereto for storing energy. The energy storage device includes a transmission shaft for receiving external rotational mechanical energy to realize its energy storage action. The automatic energy storage drive mechanism includes an automatic actuation mechanism and a reduction gear train. The automatic actuation mechanism, the reduction gear train, and the transmission shaft are connected by transmission. The automatic actuation mechanism both transmits rotational mechanical energy to the transmission shaft through the reduction gear train and also removes the output load of the automatic actuation mechanism through the reduction gear train.

[0007] In one embodiment, considering cost and installation space, the automatic actuation mechanism is a motor.

[0008] In one preferred embodiment, to increase the transmission ratio of the reduction gear train, the reduction gear train includes an unloading planetary gear set and a driving planetary gear set connected by the same planet carrier, and the automatic actuation mechanism forms a reduction transmission relationship with the planet carrier.

[0009] In one embodiment, to simultaneously transmit rotational mechanical energy and unload the motor load using a reduction gear train, the energy storage electric operating mechanism also includes a locking mechanism. The drive planetary gear set is connected to the transmission shaft, and the unloading planetary gear set includes an unloading sun gear. The locking mechanism is used to lock or unlock the rotation of the unloading sun gear to transmit rotational mechanical energy to the transmission shaft or unload the output load of the automatic actuation mechanism.

[0010] Preferably, the planetary carrier includes a planetary carrier wheel and a planetary gear shaft. The unloading planetary gear set further includes at least two first planetary gears meshing with the unloading sun gear and performing planetary motion around the unloading sun gear. The driving planetary gear set includes a driving sun gear and at least two second planetary gears meshing with the driving sun gear and performing planetary motion around the driving sun gear. The reduction gear system also includes an input gear connected to the output shaft hub of the automatic actuation mechanism. The driving sun gear, planetary carrier wheel, and unloading sun gear are arranged coaxially in sequence. The driving sun gear is connected to the transmission shaft hub. The planetary carrier wheel and the unloading sun gear are rotatably sleeved on the transmission shaft. The input gear meshes with the planetary carrier wheel to form a reduction transmission relationship. The planetary gear shaft passes through the planetary carrier wheel. The first planetary gear and the second planetary gear shaft hub are connected to both ends of the planetary gear shaft, so that the first planetary gear and the second planetary gear are respectively arranged on two opposite end faces of the planetary carrier wheel and mesh with the unloading gear and the driving sun gear respectively.

[0011] Preferably, when the locking mechanism locks the unloading sun gear, the first planetary gear rolls along the edge of the unloading sun gear under the drive of the planetary carrier wheel, while the second planetary gear drives the driving sun gear to rotate, thereby transmitting rotational mechanical energy to the transmission shaft; when the energy storage device completes energy storage, the transmission shaft and the driving sun gear are locked, and the second planetary gear rolls along the edge of the driving sun gear under the drive of the planetary carrier wheel, while the first planetary gear drives the unloading sun gear to rotate, thereby unloading the output load of the automatic actuation mechanism.

[0012] In order to make reasonable use of the installation space and based on manufacturing and assembly considerations, in one embodiment, the locking mechanism preferably includes a rotating locking component and a rotating unlocking component. The rotating locking component includes an unloading pawl and an unloading ratchet. The unloading ratchet and the unloading sun gear are coaxial and integrally connected. The unloading pawl is rotatably disposed on the edge of the ratchet so that the unloading pawl can be inserted into the ratchet tooth gap of the ratchet to lock the rotation of the unloading sun gear.

[0013] In order to make reasonable use of the installation space and based on manufacturing and assembly considerations, in one embodiment, the rotating unlocking component is preferably an unloading turntable with a hub connected to the transmission shaft. The unloading turntable has a protrusion on its circumference. When the energy storage device completes energy storage, the protrusion of the unloading turntable moves the unloading pawl to unlock the rotation of the unloading sun gear.

[0014] In another preferred embodiment, the reduction gear train includes a multi-stage cylindrical gear reduction group and a planetary gear train connected by transmission. The planetary gear train includes an internal gear ring, a sun gear, planet gears and a planet carrier. The planet carrier is connected to the transmission shaft. The internal gear ring and the sun gear are rotatably sleeved on the transmission shaft. The system also includes a locking mechanism that locks or unlocks the rotation of the internal gear ring to transmit rotational mechanical energy to the transmission shaft or to unload the output load of the automatic actuation mechanism.

[0015] The locking mechanism includes a rotating locking component and a rotating unlocking component. The rotating locking component includes an unloading pawl and an unloading ratchet. The unloading ratchet and the internal gear ring are coaxial and integrally connected. The unloading pawl is rotatably disposed on the edge of the unloading ratchet, so that the unloading pawl is inserted into the ratchet tooth gap of the unloading ratchet to lock the rotation of the internal gear ring. The rotating unlocking component is a boss protruding on the planetary carrier. When the energy storage device completes energy storage, the boss moves the unloading pawl to unlock the rotation of the internal gear ring.

[0016] In another preferred embodiment, the reduction gear train is a 3Z type planetary gear train, including a first internal gear ring, a second internal gear ring, a planet carrier, a double planetary gear, and a sun gear that is driven by the automatic actuation mechanism. The second internal gear ring is driven by the transmission shaft. The sun gear, the first internal gear ring, and the planet carrier are rotatably sleeved on the transmission shaft. The train also includes a locking mechanism that locks or unlocks the rotation of the first internal gear ring to transmit rotational mechanical energy to the transmission shaft or to unload the output load of the automatic actuation mechanism.

[0017] The locking mechanism includes a rotating locking component and a rotating unlocking component. The rotating locking component includes an unloading pawl and an unloading ratchet. The unloading ratchet and the first internal gear ring are coaxial and integrally connected. The unloading pawl is rotatably disposed on the edge of the unloading ratchet, so that the unloading pawl is inserted into the ratchet tooth gap of the unloading ratchet to lock the rotation of the first internal gear ring. The rotating unlocking component is a boss protruding on the second internal gear ring. When the energy storage device completes energy storage, the boss moves the unloading pawl to unlock the rotation of the first internal gear ring.

[0018] In order to make the structure of the energy storage electric operating mechanism compact and reasonable, in one embodiment, it is preferred to further include a manual energy storage drive mechanism for manually driving the transmission shaft to rotate. The manual energy storage drive mechanism includes an energy storage handle and a ratchet and pawl mechanism that is pulverizedly connected to the energy storage handle. The axial direction of the transmission shaft is defined as the vertical direction. The ratchet and pawl mechanism and the reduction gear system are both arranged horizontally and stacked in the vertical direction.

[0019] In order to make reasonable use of the installation space and reduce the size of the energy storage electric operating mechanism, in one embodiment, the movement plane of the energy storage handle is preferably perpendicular to the movement plane of the ratchet, and the energy storage handle is horizontally placed on one side of the automatic energy storage drive mechanism, so that the height of the manual energy storage drive mechanism and the automatic energy storage drive mechanism is approximately the same in the vertical direction.

[0020] Based on the above-mentioned energy storage electric operating mechanism, the present invention also proposes a remote control circuit breaker, including a circuit breaker body and an energy storage electric operating mechanism for remotely controlling the opening and closing of the circuit breaker body, wherein the energy storage electric operating mechanism is the aforementioned energy storage electric operating mechanism.

[0021] The present invention has the following beneficial effects: The optimized reduction gear train structure adopted by the energy storage electric operating mechanism of the present invention increases the transmission ratio of the gear train, reduces the output torque of the motor, reduces the power consumption and volume of the motor, improves the mechanical transmission efficiency with fewer gears, saves the installation space of the gears, and thus reduces the external volume of the energy storage electric operating mechanism. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the energy storage electric operating mechanism installed on one side of the circuit breaker body in Embodiment 1;

[0023] Figure 2 This is an exploded view of the energy storage electric operating mechanism and the circuit breaker body in Example 1;

[0024] Figure 3 This is a cross-sectional view of the remote-controlled circuit breaker in Embodiment 1;

[0025] Figure 4 This is a schematic diagram (angle 1) of the application of the energy storage electric operating mechanism and circuit breaker body in the power distribution system in Example 1.

[0026] Figure 5 This is a schematic diagram (angle 2) of the application of the energy storage electric operating mechanism and circuit breaker body in the power distribution system in Example 1;

[0027] Figure 6 This is a schematic diagram (angle 3) of the application of the energy storage electric operating mechanism and circuit breaker body in the power distribution system in Example 1;

[0028] Figure 7 This is a three-dimensional schematic diagram of the energy storage electric operating mechanism in Embodiment 1;

[0029] Figure 8 This is an exploded view (angle 1) of the energy storage electric operating mechanism in Example 1;

[0030] Figure 9 This is an exploded view (angle two) of the energy storage electric operating mechanism in Example 1;

[0031] Figure 10 This is an exploded view of the mounting plate, energy storage device, manual energy storage drive mechanism, and automatic energy storage drive mechanism in Embodiment 1;

[0032] Figure 11 This is a schematic diagram of the energy storage device in Example 1 (angle 1);

[0033] Figure 12 This is a schematic diagram of the energy storage device in Example 1 (angle two);

[0034] Figure 13 This is a schematic diagram of the swing lock locking the rotation of the energy storage turntable in Embodiment 1;

[0035] Figure 14 This is a three-dimensional schematic diagram of the manual energy storage drive mechanism and mounting plate in Embodiment 1;

[0036] Figure 15 This is an exploded view of the manual energy storage drive mechanism and mounting plate in Embodiment 1;

[0037] Figure 16 This is a top view of the manual energy storage drive mechanism and mounting plate in Embodiment 1;

[0038] Figure 17 This is a cross-sectional view of the transmission shaft in Example 1;

[0039] Figure 18 This is a schematic diagram of the automatic energy storage drive mechanism in Embodiment 1;

[0040] Figure 19This is an exploded view of the differential reduction gear train in Example 1;

[0041] Figure 20 This is a schematic diagram of the unloading pawl locking the rotation of the unloading sun gear during the energy storage process of the energy storage device in Embodiment 1;

[0042] Figure 21 This is a schematic diagram of the rotation of the unloading turntable to unlock the unloading sun gear after the energy storage device has completed energy storage in Example 1;

[0043] Figure 22 This is a transmission principle diagram of the differential reduction gear train in Example 1;

[0044] Figure 23 This is a schematic diagram of the reduction gear train in Example 2;

[0045] Figure 24 This is an exploded view of the reduction gear train in Example 2;

[0046] Figure 25 This is a transmission principle diagram of the reduction gear train in Example 2;

[0047] Figure 26 This is a schematic diagram of the reduction gear train in Example 3;

[0048] Figure 27 This is an exploded view of the reduction gear train in Example 3;

[0049] Figure 28 This is a schematic diagram of the structure of the second internal gear ring in Example 3;

[0050] Figure 29 This is a transmission principle diagram of the reduction gear system in Example 3. Detailed Implementation

[0051] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention, primarily used to illustrate the embodiments and to explain the operating principles of the embodiments in conjunction with the relevant descriptions in the specification. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0052] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0053] Example 1:

[0054] See Figure 1-3As shown, in a preferred embodiment of the present invention, a remote-controlled circuit breaker is provided, including a circuit breaker body 2 and an energy-storage electric operating mechanism 1. In practical applications, the energy-storage electric operating mechanism 1 is installed on one side of the circuit breaker body 2 for remotely controlling the opening and closing of the circuit breaker body 2. Simultaneously, the energy-storage electric operating mechanism 1 also has a pre-energy storage function. When the circuit breaker body 2 is opened, the energy-storage electric operating mechanism 1 stores energy. Upon receiving a closing command, the energy-storage electric operating mechanism 1 rapidly releases energy onto the handle 21 of the circuit breaker body 2, achieving rapid closing of the circuit breaker body 2. The energy-storage electric operating mechanism 1 is defined as being installed above the circuit breaker body 2 in the height direction. Due to the installation of the energy-storage electric operating mechanism 1, the height and volume of the remote-controlled circuit breaker will increase. (See reference...) Figure 4-6 Energy storage electric operating mechanism 1 and circuit breaker body 2 are commonly used in power distribution systems such as distribution cabinets. As the height and volume of the device increase, the volume of the distribution cabinet also increases accordingly, which is not conducive to reducing the installation space. Therefore, how to minimize the height and volume of energy storage electric operating mechanism 1 is one of the key research focuses in the industry.

[0055] See Figure 7-9 The energy storage electric operating mechanism 1 of this embodiment includes a housing 11, a closing button 101, an operating mode switching lever 102, a opening button 103, a switch status indicator 104, an energy storage status indicator 105, an energy storage device 12, a manual energy storage drive mechanism 13, and an automatic energy storage drive mechanism 14. The energy storage device 12, the manual energy storage drive mechanism 13, and the automatic energy storage drive mechanism 14 are assembled together with a mounting plate 15. The energy storage device 12 is responsible for realizing energy storage during opening, while the manual and automatic energy storage drive mechanisms 13 and 14 drive the energy storage device 12 to achieve its energy storage action. Figure 10 The mounting plate 15 has an "n"-shaped bent plate structure, including two vertically opposed vertical plates 152. The manual energy storage drive mechanism 13 and the automatic energy storage drive mechanism 14 are installed on the upper side of the mounting plate 15, while the energy storage device 12 is installed on the lower side of the mounting plate 15. Thus, the mounting plate 15 separates the energy storage device 12 from the manual energy storage drive mechanism 13 and the automatic energy storage drive mechanism 14. The mounting plate 15 protects the energy storage device 12 inside the energy storage electric operating mechanism 1 to prevent other mechanisms from accidentally triggering the energy storage device 12, thereby improving safety performance.

[0056] See Figure 10-13The energy storage device 12 specifically includes a sliding guide rail 121, an energy storage slider 122, an energy storage turntable 123, an energy storage spring 124, and a turntable locking mechanism 125. The two ends of the sliding guide rail 121 are respectively fixed to two vertically opposing vertical plates 152. The sliding guide rail 121 has two parallel members fixedly connected. The energy storage slider 122 is slidably connected to the sliding guide rail 121. The handle of the circuit breaker body 2 is linked to the energy storage slider 122, thereby driving the circuit breaker body 2 to open and close via the sliding movement of the energy storage slider 122. The handle of the circuit breaker body 2 can be directly linked to the energy storage slider 122, or indirectly linked to the energy storage slider 122 through a linkage mechanism. (See also...) Figure 3 In this embodiment, the energy storage slider 122 is provided with a drive groove 1221. The drive groove 1221 is square. The handle 21 of the circuit breaker body 2 is inserted into the drive groove 1221, so that the circuit breaker body 2 can be driven to open and close when the energy storage slider 122 slides.

[0057] An energy storage spring 124 is sleeved on a sliding guide rail 121. One end of the energy storage spring 124 acts on the energy storage slider 122, and the other end acts on the mounting plate 15. When the energy storage slider 122 slides on the sliding guide rail 121, it compresses the energy storage spring 124 to store energy, thereby accumulating elastic potential energy that can drive the energy storage slider 122 to slide open, thus completing the energy storage function of the energy storage slider 122. In this embodiment, the "n"-shaped mounting plate 15 facilitates the installation of the energy storage spring 124 and the sliding guide rail 121. An energy storage turntable 123 is rotatably connected to the mounting plate 15. The end face of the energy storage turntable 123 is provided with a protrusion 1231 that inserts into the drive groove 1221. When the energy storage turntable 123 rotates, the protrusion 1231 abuts against the groove wall of the drive groove 1221 to drive the energy storage slider 122 to perform its sliding stroke (the combination of the energy storage slider 122 and the energy storage turntable 123 is similar to a crank-slider mechanism). See details. Figure 12 During the movement, the rotation of the energy storage turntable 123 first causes the energy storage slider 122 to slide towards the energy storage spring 124 and compress the energy storage spring 124. The energy storage turntable 123 continues to rotate until the protrusion 1231 passes the dead point. Then, the energy storage spring 124 acts on the energy storage slider 122 in turn, causing it to slide away from the energy storage spring 124. The energy storage turntable 123 also includes a protrusion 1232 protruding outward on its circumference. The turntable locking mechanism 125 includes a swing lock 1251. One end of the swing lock 1251 is a "J"-shaped barb that cooperates with the protrusion 1232. By hooking the protrusion 1232 with the swing lock 1251, the rotation of the energy storage turntable 123 is locked. Thus, the energy storage slider 122 remains in a stationary energy storage state under the combined action of the stop of the protrusion 1231 of the energy storage turntable 123 and the force applied by the energy storage spring 124.

[0058] The swing latch 1251 can swing under the drive of a drive mechanism. When it swings closer to the boss 1232, it locks; when it swings away from the boss 1232, it unlocks. The drive mechanism of the swing latch 1251 can be any drive mechanism. In this embodiment, an electromagnetic drive mechanism is used, which facilitates the automatic control of the swing latch 1251.

[0059] In other embodiments, the boss 1232 can be replaced with other rotating locking parts, such as another protrusion on the end face of the energy storage turntable 123. The swing lock 1251 can also be replaced with other movable locking mechanisms, as long as they can cooperate with the aforementioned rotating locking parts to achieve the rotational locking of the energy storage turntable 123. For example, the swing lock 1251 can be replaced with a sliding lock. The movable locking mechanism preferably moves on the same plane of motion as the energy storage turntable 123, thereby saving space occupied by the energy storage electric operating mechanism 1 in the height direction.

[0060] In this embodiment, the energy storage spring 124 is a compression spring. In other embodiments, it can be replaced by a tension spring, a leaf spring, or other elastic energy storage components. The specific installation method can be adjusted according to the needs of elastic energy storage.

[0061] In this embodiment, an energy storage turntable 123 is used to drive the sliding motion of the energy storage slider 122. The axial direction of the energy storage turntable 123 is the aforementioned height direction, which is defined as the vertical direction. Since the energy storage turntable 123, the energy storage slider 122, and the energy storage spring 124 are all arranged horizontally, the space occupied by the energy storage electric operating mechanism 1 in the height direction is greatly saved.

[0062] By utilizing the sliding motion of the energy storage slider 122, a sensor can also be set to detect the opening and closing status of the circuit breaker body 2. For example, a micro switch can be set to detect the sliding position of the energy storage slider 122, thereby detecting the opening and closing status of the circuit breaker body 2.

[0063] Obviously, energy storage can be achieved by rotating the energy storage turntable 123 and the energy storage slider 122. In this embodiment, a manual energy storage drive mechanism 13 and an automatic energy storage drive mechanism 14 are provided to manually and automatically drive the energy storage turntable 123 to rotate, thereby completing the energy storage action.

[0064] like Figure 14-16The energy storage turntable 123 has a transmission shaft 16 for receiving external rotational mechanical energy to achieve its energy storage action. The axial direction of the transmission shaft 16 is the vertical direction defined above. The transmission shaft 16 is rotatably connected to the mounting plate 15. The manual energy storage drive mechanism 13 is used to drive the transmission shaft 16 to rotate. Specifically, the manual energy storage drive mechanism 13 includes an energy storage handle 131, a linkage assembly, and a ratchet and pawl mechanism. The linkage assembly is used to transmit the swing of the energy storage handle 131 to the ratchet and pawl mechanism. The ratchet and pawl mechanism includes a ratchet 135, a drive pawl 136, and a check pawl 137. The ratchet 135 is connected to the drive shaft 16 and rotates synchronously with it. The energy storage handle 131 is rotatably connected to the mounting plate 15. The linkage assembly includes a linkage mechanism and a pawl drive turntable 134. The pawl drive turntable 134 is rotatably sleeved on the drive shaft 16, meaning it does not form a circumferential limiting relationship with the drive shaft 16 (i.e., the rotation of the pawl drive turntable 134 and the drive shaft 16 does not interfere with each other). Specifically, the drive shaft 16 is an irregularly shaped flat shaft, and its preferred cross-sectional shape is as follows: Figure 17 The complete circle shown has a pair of radially opposed arc-shaped notches, and the shape of the ratchet 135 hub hole matches it, thus forming a shaped connection between the ratchet 135 and the drive shaft 16. The center hole of the pawl drive turntable 134 is a regular circle, so the pawl drive turntable 134 and the drive shaft 16 form a rotatable sleeve that rotates without interfering with each other. In other embodiments, the cross-sectional shape of the drive shaft 16 can also be other shapes, such as a chamfered circle. However, this preferred embodiment uses the above-mentioned irregular flat shaft, which can form a force couple to drive the drive shaft to rotate. The drive shaft 16 is driven by the force couple and the force is balanced, reducing the left and right swaying during movement.

[0065] A U-shaped groove rail 151 (as a slide rail) is fixedly connected to the mounting plate 15. The energy storage handle 131 has a J-shaped rod structure, consisting of a straight segment and a curved segment. The energy storage handle 131 is pivotally connected to the U-shaped groove rail 151 at the bend where the straight segment and the curved segment meet. The linkage mechanism further includes a push rod 132, a lever 133, and a connecting rod 1311. The push rod 132 is a rectangular block structure that matches the shape of the U-shaped groove rail 151. The push rod 132 is slidably connected in the U-shaped groove rail 151. When the energy storage handle 131 is pulled out, the curved segment of the energy storage handle 131 abuts against the push rod 132, causing it to slide in the U-shaped groove rail 151. A limiting groove 1 is provided in the U-shaped groove rail 151 along the sliding direction of the push rod 132. 312, a limiting shaft (not shown) passes through the push rod 132 and slides within the limiting groove 1312, thereby limiting the sliding stroke of the push rod 132 by the contact between the limiting shaft and the two ends of the limiting groove 1312; the lever 133 is roughly in the shape of a "Z" block structure, with its middle position pivotally connected to the mounting plate 15, one end of the lever 133 engaging with the push rod 132, and the other end pivotally connected to the connecting rod 1311, one end of the connecting rod 1311 pivotally connected to the lever 133, and the other end pivotally connected to the pawl drive turntable 134, so that when the push rod 132 pushes one end of the lever 133 to rotate, the other end of the lever 133 can link with the connecting rod 1311, causing the connecting rod 1311 to push the pawl drive turntable 134 to rotate. In other embodiments, lever 133 can be a lever structure of other shapes, such as a flat seesaw structure. In this example, lever 133 bends and converges with its pivot point as the center. The end of lever 133 that cooperates with push rod 132 has an abutment surface facing push rod 132, so that lever 133 has a "Z" shaped structure. This can minimize the distance between energy storage handle 131 and pawl drive turntable 134 while ensuring that the lever 133 has a large force transmission arm.

[0066] The drive pawl 136 is pivotally connected to the edge of the pawl drive turntable 134, and the check pawl 137 is pivotally connected to the mounting plate 15. The drive pawl 136, ratchet 135 and check pawl 137 are conventional ratchet and pawl mechanisms. When the pawl drive turntable 134 rotates, the drive pawl 136 actuates and causes the ratchet 135 to rotate a certain angle, while the check pawl 137 prevents the ratchet 135 from reversing.

[0067] The pawl-driven turntable 134 is specifically formed by the engagement of a lower plate 1341 and an upper plate 1342. The lower plate 1341 and the upper plate 1342 clamp the drive pawl 136 and the connecting rod 1311 to form a limit, so as to prevent the drive pawl 136 and the connecting rod 1311 from disengaging from their pivot shaft.

[0068] The manual energy storage drive mechanism 13 also includes a reset mechanism. After the energy storage handle 131 is pulled out, the drive pawl 136 completes one movement of the pawl drive turntable 134. When the force applied to the energy storage handle 131 is stopped, the reset mechanism can automatically reset the manual energy storage drive mechanism 13. The reset mechanism specifically includes a first reset spring 139, a second reset spring 138, and a torsion spring 1310. The second reset spring 138 is specifically a tension spring, with one end acting on the drive pawl 136 (near the free end) and the other end acting on the pawl drive turntable 134. One end of the first reset spring 139 acts on the pawl drive turntable 134 and the other end acts on the mounting plate 15. One arm of the torsion spring 1310 acts on the energy storage handle 131 and the other arm acts on the mounting plate 15. When the energy storage handle 131 is pulled out and the pawl drive turntable 134 rotates clockwise to drive the ratchet 135 to rotate, the torsion spring 1310 and the first return spring 139 store energy. After the force applied to the energy storage handle 131 is stopped, the pawl drive turntable 134 reverses and resets under the action of the elastic potential energy of the first return spring 139. At the same time, the drive pawl 136 also resets under the reverse drive of the pawl drive turntable 134. However, since the drive pawl 136 slides along the ratchet teeth when resetting, it will produce a sway to the outside of the ratchet 135, so it is easy to disengage from the ratchet teeth of the ratchet 135. For this reason, this embodiment preferably provides a second return spring 138. The second return spring 138 acts on the drive pawl 136 and constrains the sway through the tension to keep the drive pawl 136 locked in the ratchet tooth gap. As the pawl-driven turntable 134 rotates in the reverse direction to reset, it pushes the lever 133 to rotate via the connecting rod 1311. The lever 133 then pushes the push rod 132 to slide in the U-shaped groove rail 151, thereby resetting the linkage mechanism. The energy storage handle 131 is then reset under the combined action of the torsion spring 1310 and the linkage mechanism.

[0069] In this embodiment, the manual energy storage drive mechanism 13 links the energy storage handle 131 and the pawl drive turntable 134 through a linkage mechanism, ultimately actuating the pawl 136 to achieve its prying action. Because of the linkage mechanism, the force applied to the energy storage handle 131 is reduced through leverage. Furthermore, in this embodiment, the plane of motion of the energy storage handle 131 and the plane of motion of the ratchet 135 are perpendicular. The linkage mechanism converts the motion of the energy storage handle 131 into the rotation of the pawl drive turntable 134, which in turn drives the ratchet 135 to rotate. This allows the ratchet 135 to be arranged horizontally, reducing the space occupied in the vertical direction. Moreover, the energy storage handle 131 is a J-shaped curved rod structure. The energy storage handle 131 is pivotally connected at its bend. In a static state, the energy storage handle 131 is horizontally placed on one side of the ratchet 135. The entire manual energy storage drive mechanism 13 is arranged horizontally. Compared with the conventional solution where the handle and ratchet move in mutually parallel motion planes, the solution of this embodiment further compresses the height space of the energy storage electric operating mechanism 1.

[0070] like Figure 18-22 The automatic energy storage drive mechanism 14 includes an automatic actuation mechanism (a motor in this embodiment) and a differential reduction gear train. The automatic drive mechanism and the differential reduction gear train are connected by a transmission shaft 16, which drives the energy storage turntable 123 to rotate. The differential reduction gear train is arranged horizontally and is stacked with the manual energy storage drive mechanism 13 in the vertical direction. Specifically:

[0071] The differential reduction gear train includes a motor gear 141 (connected to the motor output shaft hub), a planetary carrier gear 142, an unloading sun gear 143, a drive sun gear 144, a first planetary gear 145, and a second planetary gear 146. The drive sun gear 144, the planetary carrier gear 142, and the unloading sun gear 143 are arranged coaxially from bottom to top. The drive sun gear 144 is connected to the hub of the transmission shaft 16. The planetary carrier gear 142 and the unloading sun gear 143 are rotatably sleeved on the transmission shaft 16 without causing rotational interference with the transmission shaft 16. The planetary carrier gear 142 meshes with the motor gear 141. The first planetary gear 145 and the second planetary gear 146 are connected to the two ends of the planetary gear shaft 1410. The planetary gear shaft 1410 passes through the through hole 1421 provided on the planet carrier gear 142, so that the first planetary gear 145 and the second planetary gear 146 are respectively arranged on the two opposite end faces of the planet carrier gear 142. The first planetary gear 145 meshes with the unloading sun gear 143, and the second planetary gear 146 meshes with the driving sun gear 144.

[0072] The unloading ratchet 149 and the unloading sun gear 143 are coaxial and integrally connected. The unloading pawl 148 is rotatably disposed on the edge of the unloading ratchet 149. An unloading turntable 147 is also connected to the hub of the transmission shaft 16. The unloading turntable 147 has a protrusion 1471 on its circumference that can move the unloading pawl 148. The unloading pawl 148 can be installed by a bracket. For example, in this embodiment, a fixing bracket 17 is provided. The fixing bracket 17 is fixedly connected to the mounting plate 15 and spans over the unloading ratchet 149. The unloading pawl 148 is pivotally connected to the fixing bracket 17. A torsion spring is also sleeved on the pivot shaft of the unloading pawl 148 to realize the reset of the unloading pawl 148 after it is moved by the unloading turntable 147.

[0073] During energy storage, the unloading pawl 148 is inserted into the ratchet gap of the unloading ratchet 149 to lock the rotation of the unloading sun gear 143. When the motor gear 141 rotates, the planet carrier gear 142 meshing with it rotates and drives the first planet gear 145 to roll along the edge of the unloading sun gear 143 (the unloading sun gear 143 cannot rotate under the action of the unloading pawl 148). The second planet gear 146, which rotates coaxially with the first planet gear 145, transmits power to the drive sun gear 144, thereby causing the transmission shaft 16 to rotate and completing the energy storage action.

[0074] When energy storage is complete, the unloading turntable 147 rotates into position with the drive shaft 16, engaging the unloading pawl 148 and disengaging it from the ratchet gap of the unloading ratchet 149. Since the energy storage turntable 123 is locked by the turntable locking mechanism 125, the drive shaft 16 of the energy storage turntable 123 cannot rotate, and the drive sun gear 144 connected to the drive shaft 16 also cannot rotate. When the motor gear 141 rotates, the planetary carrier gear 142 drives the second planetary gear 146 to roll along the edge of the drive sun gear 144. The first planetary gear 145 meshes and rotates with the unloading sun gear 143, continuously unloading without load until the motor stops. This solves the problem of the motor continuing to rotate and causing a stall when the drive shaft 16 is locked after energy storage is complete.

[0075] The unloading pawl 148 and unloading ratchet 149 are essentially rotational locking components for the unloading sun gear 143. Besides the unloading pawl 148 and unloading ratchet 149, this rotational locking component can also be implemented using other structures in other embodiments, such as a latch that can slide radially along the unloading sun gear 143, which engages with the teeth of the unloading sun gear 143 to lock it. The unloading turntable 147 is an unlocking component that acts on the aforementioned rotational locking component to release the rotational lock on the unloading sun gear 143. In other embodiments, the unloading turntable 147 can also be a structure that follows the transmission shaft 16, such as a lever fixedly connected to the transmission shaft 16, which actuates the rotational locking component to unlock it. In this embodiment, the unloading pawl 148 and unloading ratchet 149 are preferably used as rotational locking components, which have the advantages of small space occupation and structural stability. The unloading turntable 147 is used as the unlocking component, which has the advantages of small height space occupation and easy installation.

[0076] Besides avoiding stalling, the differential reduction gear train in this embodiment adopts the improved planetary reduction mechanism described above, optimizing the gear train structure. It uses the planet carrier wheel 142 and planetary gear shaft 1410 as the planet carrier, linking the unloading planetary gear set (in this embodiment, the meshing unloading sun gear 143 and the first planetary gear 145 are referred to as the unloading planetary gear set) and the drive planetary gear set (in this embodiment, the meshing drive sun gear 144 and the second planetary gear 146 are referred to as the drive planetary gear set). The planet carrier itself forms a reduction transmission with the motor gear 141 through the planet carrier wheel 142, thereby increasing the gear train's transmission ratio, reducing the motor's output torque, and lowering the motor's power consumption and size. Simultaneously, it improves mechanical transmission efficiency with a smaller number of gears (only 2 speed changes), saves axial installation space for the gears, and reduces the height and volume of the energy storage electric operating mechanism. Furthermore, by separately locking the unloading sun gear 143 and the drive sun gear 144, torque transmission and motor load unloading are achieved.

[0077] Figure 22The transmission principle diagram of the differential reduction gear train is shown, in which:

[0078] Assume the driving sun gear 144 has 25 teeth (Z1 = 25), the second planetary gear 146 has 26 teeth (Z2 = 26), the first planetary gear 145 has 25 teeth (Z3 = 25), the unloading sun gear 143 has 24 teeth (Z4 = 24), the planet carrier gear 142 has 72 teeth (Z5 = 72), and the motor gear 141 has 36 teeth (Z6 = 36).

[0079] In the first stage of transmission: i H-1 =ω H / ω1=1 / (1-(Z4 / Z3)*(Z2 / Z1))=625;

[0080] In the second-level transmission: i 6-5 =ω6 / ω5=Z5 / Z6=2;

[0081] Total transmission ratio: i 6-1 =i H-1 *i 6-5 =1250.

[0082] It is evident that the transmission ratio has been significantly improved.

[0083] See again Figure 8 In this embodiment, both the automatic energy storage drive mechanism 14 and the manual energy storage drive mechanism 13 are horizontally arranged and stacked in the height direction, making the structure of the energy storage electric operating mechanism 1 reasonable and compact. Furthermore, by converting the swing of the energy storage handle 131 into the horizontal rotation of the ratchet and pawl mechanism, the ratchet and pawl mechanism of the manual energy storage drive mechanism 13 and the differential reduction gear system of the automatic energy storage drive mechanism 14 are coaxially connected and stacked vertically on the transmission shaft 16, effectively utilizing the height space of the energy storage electric operating mechanism 1. In addition, the energy storage handle 131 is located on one side of the automatic energy storage drive mechanism 14. In a static state, the energy storage handle 131 is horizontally positioned on one side of the automatic energy storage drive mechanism 14, with both having roughly the same height, further utilizing the height space of the energy storage electric operating mechanism 1 and reducing space occupation.

[0084] Example 2:

[0085] This embodiment provides a remote control circuit breaker, which has a similar structure to that of Embodiment 1, except that the reduction gear train of the automatic energy storage drive mechanism in this embodiment adopts a different structure.

[0086] See Figure 23-24 The reduction gear system 18 includes a four-stage cylindrical gear reduction group 181 and a planetary reduction gear system. The planetary reduction gear system specifically includes a sun gear 182, a planet carrier 183, planet gears 184 and an internal gear ring 185. The four-stage cylindrical gear reduction group 181 receives the output torque of the motor and transmits it to the sun gear 182.

[0087] An unloading ratchet 186 is fixedly connected to the end face of the internal gear ring 185. The unloading ratchet 186 has a movable unloading pawl 187 on its outer periphery. The transmission shaft 16 of the energy storage device is connected to the hub of the planetary carrier 184. The internal gear ring 185 and the sun gear 182 are rotatably sleeved on the transmission shaft 16.

[0088] During the energy storage process, the unloading pawl 187 is inserted into the ratchet teeth of the unloading ratchet 186 to lock the rotation of the internal gear ring 185. At this time, the sun gear 182 drives the planet gear 184 and the planet carrier 183 to rotate, and the transmission shaft 16, which is connected to the planet carrier 183, rotates to store energy.

[0089] A boss 1831 is provided on the circumference of the planet carrier 183. When the drive shaft 16 and the planet carrier 183 rotate to their positions and the energy storage ends, the boss 1831 moves the unloading pawl 187 to release it from locking the internal gear ring 185. Since the energy storage action has ended, the drive shaft 16 and the planet carrier 183 are locked and cannot rotate. Therefore, the sun gear 182 drives the planet gear 184 and the internal gear ring 185 to rotate and unload.

[0090] This embodiment utilizes the transmission characteristics of a planetary gear train, switching between the "transmitting torque to the transmission shaft 16" and "unloading" states by locking the internal gear ring 185 and the planet carrier 183 respectively. At the same time, the four-stage cylindrical gear reduction group 181 ensures a large transmission ratio.

[0091] Figure 25 The diagram shows the transmission principle of the reduction gear train 18 in this embodiment. The four-stage cylindrical gear reduction group 181 is composed of reduction gear trains of stages II, III, IV, and V. It is assumed in the diagram that:

[0092] Z1=21, Z2=21, Z3=63, Z4=120, Z5=18, Z6=57, Z7=24, Z8=60, Z9=20, Z 10 =140,Z 11 =20;

[0093] The transmission ratios of each stage are then:

[0094] Level I:i 1-H =ω1 / ω H =1+(Z3 / Z1)=4;

[0095] Level II: i 5-4 =ω5 / ω4=Z4 / Z5=6.6;

[0096] Level III: i 7-6 =ω7 / ω6=Z6 / Z7=2.375;

[0097] Level IV: i 9-8=ω9 / ω8=Z8 / Z9=3;

[0098] Level V: i 11-10 =ω 11 / ω 10 =Z 10 / Z 11 =7;

[0099] Total transmission ratio: i 11-H =i 1-H i 5-4 i 7-6 i 9-8 i 11-10 =1316.7.

[0100] Example 3:

[0101] This embodiment provides a remote-controlled circuit breaker, whose structure is similar to that of Embodiment 2. The difference lies in that the reduction gear train 19 in this embodiment simplifies the four-stage gear reduction group into a two-stage gear reduction group, and designs the planetary reduction gear train as a 3Z-type planetary gear train. This reduces the space occupied while maintaining a large transmission ratio.

[0102] like Figure 26-28 The 3Z-type planetary gear train includes three central gears: a sun gear 191, a first internal gear ring 192, and a second internal gear ring 195. Planet gear 193 is a double-planetary gear, meshing with both the sun gear 191 and the first internal gear ring 192, as well as the second internal gear ring 195. This meshing of planet gear 193 and the second internal gear ring 195 further increases the transmission ratio. The first internal gear ring 192 has an outer ring machined as an unloading ratchet and an inner ring machined as an internal gear. In other embodiments, the unloading ratchet can be fixedly connected to the end face of the internal gear, as in Embodiment 2. An unloading pawl 196 is inserted into the ratchet teeth to lock the rotation of the first internal gear ring 192. The second internal gear ring 195 has a boss 1951 on its circumference for actuating the unloading pawl 196 to unlock the first internal gear ring 192.

[0103] The second internal gear ring 195 is connected to the hub of the transmission shaft 16, while the remaining sun gear 191, the first internal gear ring 192, and the planet carrier 194 are rotatably sleeved on the transmission shaft 16.

[0104] The principle of the automatic energy storage drive mechanism in this embodiment is similar to that in embodiment 2. During the energy storage process, the first internal gear ring 192 is locked by the unloading pawl 196. At this time, the sun gear 191 drives the planet gear 193, the planet carrier 194 and the second internal gear ring 195 to rotate, and the transmission shaft 16, which is connected to the second internal gear ring 195, rotates to store energy.

[0105] When energy storage ends, the boss 1951 actuates the unloading pawl 196 to release it from locking the first internal gear ring 192. Since the energy storage operation is complete, the transmission shaft 16 and the second internal gear ring 195 are locked and cannot rotate. Then, the sun gear 182 drives the planet gears 193, planet carrier 194, and the first internal gear ring 192 to rotate and unload.

[0106] Figure 29 The transmission principle diagram of the reduction gear train 19 in this embodiment is shown below. Assume that in this diagram:

[0107] Z1=21, Z2=21, Z3=63, Z4=18, Z5=60, Z6=120, Z7=20, Z8=99, Z9=18;

[0108] The transmission ratios of each stage are then:

[0109] Level I:i 1-5 =i 1-H i H-5 =(1+(Z3 / Z1)) / (1-(Z3 Z4 / Z5 Z2))=40;

[0110] Level II: i 7-6 =ω7 / ω6=Z6 / Z7=6;

[0111] Level III: i 9-8 =ω9 / ω8=Z8 / Z9=5.5;

[0112] Total transmission ratio: i 9-5 =i 1-5 i 7-6 i 9-8 =1320.

[0113] Although the invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail made to the invention without departing from the spirit and scope of the invention as defined in the appended claims fall within the protection scope of the invention.

Claims

1. An energy storage type electric operating mechanism, comprising an energy storage device and an automatic energy storage drive mechanism connected thereto for storing energy therein, characterized in that: The energy storage device includes a transmission shaft for receiving external rotational mechanical energy to achieve its energy storage action. The automatic energy storage drive mechanism includes an automatic actuation mechanism and a reduction gear train. The automatic actuation mechanism, the reduction gear train, and the transmission shaft are connected by a transmission mechanism. The automatic actuation mechanism both transmits rotational mechanical energy to the transmission shaft through the reduction gear train and also removes the output load of the automatic actuation mechanism through the reduction gear train. The reduction gear train includes an unloading planetary gear set and a drive planetary gear set connected by the same planet carrier. The automatic actuation mechanism forms a reduction transmission relationship with the planet carrier. The planetary carrier includes a planetary carrier wheel and planetary gear shafts. The unloading planetary gear set includes an unloading sun gear and at least two first planetary gears that mesh with the unloading sun gear and perform planetary motion around the unloading sun gear. The driving planetary gear set includes a driving sun gear and at least two second planetary gears that mesh with the driving sun gear and perform planetary motion around the driving sun gear. The planetary gear shaft passes through the planetary carrier wheel. The first planetary gear and the second planetary gear shaft hubs are connected to both ends of the planetary gear shaft, so that the first planetary gear and the second planetary gear are respectively arranged on two opposite end faces of the planetary carrier wheel and mesh with the unloading sun gear and the driving sun gear respectively.

2. The energy storage electric operating mechanism according to claim 1, characterized in that: The automatic actuation mechanism is an electric motor.

3. The energy storage electric operating mechanism according to claim 1, characterized in that: The reduction gear train also includes a locking mechanism. The drive planetary gear set is connected to the transmission shaft. The locking mechanism is used to lock or unlock the rotation of the unloading sun gear to transmit rotational mechanical energy to the transmission shaft or to unload the output load of the automatic actuation mechanism.

4. The energy storage electric operating mechanism according to claim 3, characterized in that: The reduction gear train also includes an input gear connected to the output shaft hub of the automatic actuation mechanism. The drive sun gear, planet carrier gear, and unloading sun gear are arranged coaxially in sequence. The drive sun gear is connected to the transmission shaft hub. The planet carrier gear and unloading sun gear are rotatably sleeved on the transmission shaft. The input gear meshes with the planet carrier gear to form a reduction transmission relationship.

5. The energy storage electric operating mechanism according to claim 4, characterized in that: When the locking mechanism locks the unloading sun gear, the first planetary gear rolls along the edge of the unloading sun gear under the drive of the planet carrier gear, while the second planetary gear drives the driving sun gear to rotate, thereby transmitting rotational mechanical energy to the transmission shaft. When the energy storage device completes energy storage, the transmission shaft and the drive sun gear are locked. Under the drive of the planet carrier wheel, the second planetary gear rolls along the edge of the drive sun gear, while the first planetary gear drives the unloading sun gear to rotate, thereby unloading the output load of the automatic actuation mechanism.

6. The energy storage electric operating mechanism according to claim 3, characterized in that: The locking mechanism includes a rotating locking component and a rotating unlocking component. The rotating locking component includes an unloading pawl and an unloading ratchet. The unloading ratchet and the unloading sun gear are coaxial and integrally connected. The unloading pawl is rotatably disposed on the edge of the unloading ratchet. The unloading pawl is inserted into the ratchet tooth gap of the unloading ratchet to lock the rotation of the unloading sun gear.

7. The energy storage electric operating mechanism according to claim 6, characterized in that: The rotating unlocking component is an unloading turntable connected to the transmission shaft by a hub. A boss is provided on the circumference of the unloading turntable. When the energy storage device completes energy storage, the boss of the unloading turntable moves the unloading pawl to unlock the rotation of the unloading sun gear.

8. The energy storage electric operating mechanism according to claim 1, characterized in that: It also includes a manual energy storage drive mechanism for manually driving the transmission shaft to rotate. The manual energy storage drive mechanism includes an energy storage handle and a ratchet and pawl mechanism that is pulverizedly connected to the energy storage handle. The axial direction of the transmission shaft is defined as the vertical direction. The ratchet and pawl mechanism and the reduction gear system are both arranged horizontally and stacked in the vertical direction.

9. The energy storage electric operating mechanism according to claim 8, characterized in that: The motion plane of the energy storage handle is perpendicular to the motion plane of the ratchet in the ratchet and pawl mechanism. The energy storage handle is horizontally placed on one side of the automatic energy storage drive mechanism, so that the height of the manual energy storage drive mechanism and the automatic energy storage drive mechanism is equivalent in the vertical direction.

10. A remotely controlled circuit breaker, comprising a circuit breaker body and an energy-storage electric operating mechanism for remotely controlling the circuit breaker body to open and close, characterized in that: The energy storage electric operating mechanism is the energy storage electric operating mechanism according to any one of claims 1-9.

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