Planetary gear structure and intelligent circuit breaker

Abstract

The utility model provides a planetary gear structure and an intelligent circuit breaker, and relates to the technical field of low-voltage electrical appliances, the planetary gear structure comprises a fixed gear, a planetary gear and an output wheel which are sequentially engaged, the output wheel is coaxially provided with an output gear through a first rotating shaft, a second rotating shaft matched with the planetary gear is arranged in a shaft hole of the planetary gear, and the first rotating shaft penetrates through the second rotating shaft; the first rotating shaft and the second rotating shaft are not coaxial, and a power device is arranged on the side, away from the output wheel, of the fixed gear and connected with the second rotating shaft, drives the second rotating shaft to rotate around the first rotating shaft and drives the output gear to move around the first rotating shaft through a planetary gear matched with the second rotating shaft. The output gear is used for meshing transmission with an operating part of the intelligent circuit breaker so as to drive the intelligent circuit breaker to act through the operating part. The planetary gear structure is used as a transmission system of the intelligent circuit breaker, the structure is simple, the occupied space is small, and the requirement for miniaturization space layout of the intelligent circuit breaker is met.

Description

Technical Field

[0001] The present application relates to the technical field of low-voltage electrical appliances, and in particular to a planetary gear structure and an intelligent circuit breaker. Background Art

[0002] In existing intelligent circuit breakers, the contacts are generally driven to open and close through the operating parts through the transmission system; and the transmission system mostly uses a gear set to transmit power. There are many parts in the gear set, and when multiple gears are arranged in sequence and meshed, they occupy a large space, squeezing out the space of other electronic components, resulting in a large size of the entire intelligent circuit breaker. Utility Model Content

[0003] The purpose of this application is to provide a planetary gear structure and an intelligent circuit breaker to address the deficiencies in the above-mentioned prior art, which occupy a small space and can be applied to miniaturized scenario requirements.

[0004] To achieve the above purpose, the technical solution adopted in the embodiment of the present application is as follows:

[0005] According to one aspect of an embodiment of the present application, a planetary gear structure is provided, comprising a fixed gear, a planetary gear and an output wheel meshed in sequence, the output gear being coaxially arranged on the output wheel through a first rotating shaft, a second rotating shaft cooperating with the planetary gear being arranged in an axial hole of the planetary gear, the first rotating shaft passing through the second rotating shaft, the first rotating shaft and the second rotating shaft being not coaxial, a power device being arranged on a side of the fixed gear away from the output wheel, the power device being connected to the second rotating shaft to drive the second rotating shaft to rotate around the first rotating shaft, and the output gear being driven to move around the first rotating shaft through the planetary gear cooperating with the second rotating shaft, the output gear being used to mesh and transmit with an operating member of an intelligent circuit breaker so as to drive the intelligent circuit breaker to operate through the operating member.

[0006] Optionally, the two ends of the second rotating shaft that cooperate with the planetary gear respectively form a first arc end and a second arc end, and the arc radius of the first arc end is smaller than the arc radius of the second arc end; the first arc end is tangentially abutted against the shaft hole of the planetary gear, and the second arc end is gap-matched with the shaft hole of the planetary gear, and the center of gravity of the second rotating shaft coincides or approximately coincides with the center of the axis of the first rotating shaft.

[0007] Optionally, at least one end surface of the second rotating shaft along the axial direction is provided with a mounting hole, the output shaft of the power device is connected to the second rotating shaft through the mounting hole, and the first rotating shaft is penetrated by the other end surface of the second rotating shaft along the axial direction.

[0008] Optionally, the mounting hole passes through the second rotating shaft along the axial direction, and the output shaft of the power device and the first rotating shaft are integrally or separately arranged;

[0009] And / or, the first rotating shaft and the second rotating shaft are integrally arranged;

[0010] And / or, the output shaft, the first rotating shaft and the second rotating shaft are integrally arranged.

[0011] Optionally, the planetary gear has a first outer gear ring and a second outer gear ring which are stacked, the first outer gear ring is meshed with the inner gear ring of the fixed gear, and the second outer gear ring is meshed with the inner gear ring of the output wheel.

[0012] Optionally, the number of teeth of the first outer gear ring of the planetary gear is different from the number of teeth of the inner gear ring of the fixed gear, and / or the number of teeth of the second outer gear ring of the planetary gear is different from the number of teeth of the inner gear ring of the output wheel.

[0013] Another aspect of the embodiment of the present application provides an intelligent circuit breaker, including a housing, wherein an operating member, a connecting rod, a tripping mechanism, and a contact mechanism are sequentially arranged on the housing along a first direction, and further comprising a locking member and the planetary gear structure arranged side by side with the connecting rod along a second direction, wherein the operating member is respectively linked with the planetary gear structure, the locking member, and the connecting rod, and the operating member realizes manual control of closing and opening of the contact mechanism through the connecting rod and the tripping mechanism; and the planetary gear structure drives the operating member to realize automatic control of closing and opening of the contact mechanism;

[0014] When the operating member drives the end of the locking member to abut against the end of the connecting rod, the contact mechanism remains in a closed state; when the operating member drives the end of the locking member to disengage from the end of the connecting rod, the contact mechanism is opened.

[0015] Optionally, a rack is provided on the operating member, sector-shaped teeth are formed on the output gear of the planetary gear structure, and the rack is meshed with the sector-shaped teeth.

[0016] Optionally, after the power device of the planetary gear is closed, the sector teeth rotate to a side away from the operating member, and the switch can be manually opened through the operating member; after the power device is disconnected, the sector teeth rotate to a side facing the operating member, and the switch can be manually closed through the operating member.

[0017] Optionally, a holding surface is provided at one end of the locking member close to the tripping mechanism, and when in the closed position, the holding surface of the locking member abuts against the connecting rod, so that the contact mechanism remains in the closed state;

[0018] A release surface is arranged at one end of the locking member close to the operating member, and a boss is arranged on the operating member. When the release surface abuts against the boss, the boss drives the release surface to rotate the locking member and disengage from the connecting rod, and the contact mechanism can open the gate.

[0019] The beneficial effects of this application include:

[0020] The present application provides a planetary gear structure and an intelligent circuit breaker, wherein one side of a fixed gear is used to set a power device, and the other side of the fixed gear meshes with a planetary gear and an output wheel in sequence, and an output gear is coaxially arranged on the output wheel through a first rotating shaft, and the output gear is used to mesh with the operating member of the intelligent circuit breaker for transmission; the power device is connected to a second rotating shaft, the second rotating shaft is arranged in the shaft hole of the planetary gear and cooperates with the planetary gear, and the first rotating shaft passes through the second rotating shaft; in this way, the power device drives the second rotating shaft to rotate around the first rotating shaft, and when the second rotating shaft rotates, the planetary gear, the output wheel and the output gear are driven to rotate around the first rotating shaft, and then the intelligent circuit breaker is driven to operate through the operating member. When the planetary gear is driven to rotate by the rotation of the second rotating shaft, the rotation of the planetary gear drives the output gear to rotate, and the output gear has a greatly reduced speed relative to the first rotating shaft, so that the driving force is greatly increased; when the first rotating shaft and the second rotating shaft are not coaxial, the arrangement of the planetary gear structure is guaranteed, and the intelligent circuit breaker can be automatically driven to operate through the planetary gear structure. Compared with the current gear set structure, the planetary gear structure used as the transmission system of the intelligent circuit breaker has a simple structure and occupies a small space, which is conducive to the demand for miniaturized spatial layout of the intelligent circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 One of the structural schematic diagrams of the planetary gear structure provided in the embodiment of the present application;

[0023] Figure 2 The second structural schematic diagram of the planetary gear structure provided in the embodiment of the present application;

[0024] Figure 3a A schematic diagram of a planetary gear structure of a planetary gear structure provided in an embodiment of the present application;

[0025] Figure 3b A transmission schematic diagram of a planetary gear structure provided in an embodiment of the present application;

[0026] Figure 4 A schematic diagram of the coordination between the fixed gear and the power device of the planetary gear structure provided in an embodiment of the present application;

[0027] Figure 5 A schematic diagram of the cooperation between the output wheel and the output gear of the planetary gear structure provided in an embodiment of the present application;

[0028] Figure 6a One of the schematic diagrams of the cooperation between the second rotating shaft and the first rotating shaft of the planetary gear structure provided in an embodiment of the present application;

[0029] Figure 6b A second schematic diagram of the cooperation between the second rotating shaft and the first rotating shaft of the planetary gear structure provided in an embodiment of the present application;

[0030] Figure 7 A schematic diagram of a second rotating shaft of a planetary gear structure provided in an embodiment of the present application;

[0031] Figure 8 A third schematic diagram of the cooperation between the second rotating shaft and the first rotating shaft of the planetary gear structure provided in an embodiment of the present application;

[0032] Fig. 9 A fourth schematic diagram of the cooperation between the second rotating shaft and the first rotating shaft of the planetary gear structure provided in an embodiment of the present application;

[0033] Fig.10 A schematic diagram of the closing state of the intelligent circuit breaker provided in an embodiment of the present application;

[0034] Fig.11 for Fig.10 The enlarged schematic diagram at A in the middle;

[0035] Fig.12 A schematic diagram of the open state of the intelligent circuit breaker provided in an embodiment of the present application;

[0036] Fig.13 for Fig.12 The enlarged schematic diagram of point B in the middle;

[0037] Fig.14 A schematic diagram of the coordination between the operating element and the planetary gear structure of the intelligent circuit breaker provided in an embodiment of the present application;

[0038] Fig.15 One of the schematic diagrams of the separation of the operating member and the planetary gear structure of the intelligent circuit breaker provided in the embodiment of the present application;

[0039] Fig.16 The second schematic diagram of the separation of the operating member and the planetary gear structure of the intelligent circuit breaker provided in the embodiment of the present application;

[0040] Fig.17 A schematic diagram of the cooperation between the locking member and the connecting rod of the intelligent circuit breaker provided in an embodiment of the present application.

[0041] Icons: 10-planetary gear structure; 11-power device; 110-output shaft; 12-fixed gear; 120-inner gear ring; 13-output wheel; 131-inner gear ring; 14-output gear; 15-first rotating shaft; 16-second rotating shaft; 16a-mounting hole; 161-first arc end; 162-second arc end; 17-planetary gear; 170-shaft hole; 171-first outer gear ring; 172 - second outer gear ring; 100a - housing; 101 - operating member; 101a - rack; 101b - boss; 102 - locking member; 102a - release surface; 102b - abutment surface; 103 - connecting rod; 104 - release mechanism; 104a - slide groove; 105 - contact mechanism; 105a - moving contact; 105b - release mechanism reset spring; 106 - electromagnetic release; o1, o2 - axis. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0043] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. It should be noted that, in the absence of conflict, the various features in the embodiments of the present application can be combined with each other, and the combined embodiments are still within the scope of protection of the present application.

[0044] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0045] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0046] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0047] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0048] In one aspect of the embodiment of the present application, referring to Figure 1 , Figure 2 As shown, a planetary gear structure 10 is provided, comprising a fixed gear 12, a planetary gear 17 and an output wheel 13 which are meshed in sequence. The output wheel 13 is coaxially provided with an output gear 14 through a first rotating shaft 15. The output wheel 13 and the output gear 14 can be provided as a whole, or the output wheel 13 and the output gear 14 can be fixedly connected. A second rotating shaft 16 which cooperates with the planetary gear 17 is provided in the shaft hole 170 of the planetary gear 17. The first rotating shaft 15 passes through the second rotating shaft 16. The first rotating shaft 15 and the second rotating shaft 16 are not coaxial. A power device 11 is provided on a side of the fixed gear 12 away from the output wheel 13. The power device 11 is connected to the second rotating shaft 16 to drive the second rotating shaft 16 to rotate around the first rotating shaft 15, and drives the output gear 14 to move around the first rotating shaft 15 through the planetary gear 17 which cooperates with the second rotating shaft 16. The output gear 14 is used to mesh with the operating member 101 of the intelligent circuit breaker for transmission, so as to drive the intelligent circuit breaker to operate through the operating member 101.

[0049] The power device 11, the fixed gear 12, the planetary gear 17, the output wheel 13, and the output gear 14 are arranged in sequence. The first rotating shaft 15 passes through the output wheel 13 and the second rotating shaft 16. The output gear 14 is sleeved on the first rotating shaft 15 and connected to one side of the output wheel 13; the power device 11 drives the second rotating shaft 16 to rotate around the first rotating shaft 15. When the second rotating shaft 16 rotates, the planetary gear 17, the output wheel 13 and the output gear 14 are driven to rotate around the first rotating shaft 15. The output gear 14 and the rack 101a on the operating member 101 are meshed for transmission, thereby driving the intelligent circuit breaker to operate.

[0050] Among them, the fixed gear 12, the planetary gear 17 and the output wheel 13 are meshed in sequence, and an axial hole 170 is also formed in the center of the planetary gear 17. The second rotating shaft 16 is arranged in the axial hole 170 of the planetary gear 17. The power device 11 drives the second rotating shaft 16 to revolve around the first rotating shaft 15. Since the fixed gear 12 is meshed with the planetary gear 17, when the planetary gear 17 revolves with the second rotating shaft 16, the planetary gear 17 rotates around the second rotating shaft 16 at the same time, so as to reduce the rotation speed of the output gear 14, thereby greatly increasing the driving force.

[0051] It should be noted that the first rotating shaft 15 may rotate or not rotate, depending on specific needs.

[0052] For example, Figure 3a As shown, the planetary gear 17 has a first outer gear ring 171 and a second outer gear ring 172 which are stacked. The first outer gear ring 171 meshes with the inner gear ring 120 of the fixed gear 12 , and the second outer gear ring 172 meshes with the inner gear ring 131 of the output wheel 13 .

[0053] The planetary gear 17 is a double-layer outer gear ring structure, and the fixed gear 12 is fixedly arranged. Figure 4 The middle fixed gear 12 is provided with an inner gear ring 120 for meshing with the first outer gear ring 171 of the planetary gear 17; Figure 5 The output wheel 13 is also provided with an inner gear ring 131 for meshing with the second outer gear ring 172 of the planetary gear 17 for transmission, so that the output wheel 13 is driven to rotate through the planetary gear 17.

[0054] The planetary gear 17 of the present application is relatively large, and the extension direction of the first rotating shaft 15 passes through the planetary gear 17. A cover can also be provided outside the first rotating shaft 15 to position the first rotating shaft 15 and the output gear 14.

[0055] The number of teeth of the first outer gear ring 171 and the number of teeth of the second outer gear ring 172 of the planetary gear 17 are different. In the embodiment of the present application, the difference between the number of teeth between the two is 1.

[0056] The difference between the number of teeth of the first outer gear ring 171 and the number of teeth of the inner gear ring 120 is greater than 3, and the difference between the number of teeth of the second outer gear ring 172 and the number of teeth of the inner gear ring 131 is greater than 3.

[0057] like Figure 3b As shown, the overall transmission ratio of the planetary gear structure 10 is ix4=Z1×Z4 / (Z1×Z4-Z2×Z3); wherein Z1 is the number of teeth of the first outer ring gear 171; Z2 is the number of teeth of the inner ring gear 120 of the fixed gear 12; Z3 is the number of teeth of the second outer ring gear 172; and Z4 is the number of teeth of the inner ring gear 131 of the output wheel 13.

[0058] The first outer gear ring 171 and the second outer gear ring 172 are fixedly connected or integrally arranged, and their orbital speed and rotation angular velocity are consistent. Due to the different numbers of teeth and tooth speeds, the output wheel 13 generates a relative rotation speed with respect to the fixed gear 12. The smaller the difference in the number of teeth between the first outer gear ring 171 and the second outer gear ring 172, the smaller the rotation speed of the output wheel 13 and the larger the reduction ratio of the reduction mechanism.

[0059] The more teeth the planetary gear 17 has, the smaller the ratio of the difference between the number of teeth of the first outer gear ring 171 and the second outer gear ring 172 to the number of teeth of the planetary gear 17, and the smaller the rotation speed of the output wheel 13. The setting of the number of teeth of the planetary gear 17 is common knowledge and will not be described here.

[0060] Generally speaking, when the movement path of the planetary gear 17 passes through the axis o1 of the first rotating shaft 15, the difference in the number of teeth between the outer ring gear of the planetary gear 17 and the corresponding inner ring gear is small; the smaller the difference in the number of teeth between the outer ring gear of the planetary gear 17 and the corresponding inner ring gear, the greater the transformation ratio of the planetary gear structure 10, the smaller the speed of the output gear 14 relative to the first rotating shaft 15, the greater the driving force, and the fewer parts used in the planetary gear structure 10 and the smaller the space occupied.

[0061] Therefore, in the planetary gear structure 10 provided by the embodiment of the present application, one side of the fixed gear 12 is used to set the power device 11, and the other side of the fixed gear 12 is meshed with the planetary gear 17 and the output wheel 13 in sequence, the first rotating shaft 15 is passed through the output wheel 13, and the output gear 14 is sleeved on the first rotating shaft 15, and the output gear 14 is used to mesh and transmit with the operating member 101 of the intelligent circuit breaker; the power device 11 is connected to the second rotating shaft 16, the second rotating shaft 16 is set in the shaft hole 170 of the planetary gear 17 and cooperates with the planetary gear 17, and the first rotating shaft 15 passes through the second rotating shaft 16; in this way, the power device 11 drives the second rotating shaft 16 to rotate around the first rotating shaft 15, and when the second rotating shaft 16 rotates, it also drives the planetary gear 17, the output wheel 13 and the output gear 14 to rotate around the first rotating shaft 15, and then drives the intelligent circuit breaker to operate through the operating member 101. The rotation of the second rotating shaft 16 drives the planetary gear 17 to rotate, and the rotation of the planetary gear 17 drives the output gear 14 to rotate. The output gear 14 has a greatly reduced speed relative to the first rotating shaft 15, which greatly increases the driving force. When the first rotating shaft 15 and the second rotating shaft 16 are not coaxial, the arrangement of the planetary gear structure 10 is guaranteed, and the planetary gear structure 10 can automatically drive the intelligent circuit breaker to operate. Compared with the current gear set structure, the planetary gear structure 10 is used as the transmission system of the intelligent circuit breaker. Its structure is simple and occupies little space, which is conducive to the demand for miniaturized space layout of the intelligent circuit breaker.

[0062] Furthermore, if Figure 6aAs shown, the two ends of the second rotating shaft 16 that cooperate with the planetary gear 17 respectively form a first arc end 161 and a second arc end 162, and the arc radius of the first arc end 161 is smaller than the arc radius of the second arc end 162; the first arc end 161 is tangentially abutted with the shaft hole 170 of the planetary gear 17, and the second arc end 162 is clearance-matched with the shaft hole 170 of the planetary gear 17, and the center of gravity of the second rotating shaft 16 coincides or approximately coincides with the axis o1 of the first rotating shaft 15.

[0063] In a preferred example, the second arc end 162 is coaxial with the second rotating shaft 16; Figure 6b As shown, the distance L1 between the axis o1 of the first rotating shaft 15 and the farthest point of the first arc end 161 is greater than the distance L2 between the axis o1 of the first rotating shaft 15 and the farthest point of the second arc end 162, and the maximum distance L between the first arc end 161 and the second arc end 162 is less than the diameter D of the first arc end 161 circumscribed to the second rotating shaft 16 and the shaft hole 170 of the planetary gear 17.

[0064] The second rotating shaft 16 has a first arc end 161 and a second arc end 162. The arc radius of the first arc end 161 is smaller than that of the second arc end 162, so that the section of the second rotating shaft 16 perpendicular to the axis of the first rotating shaft 15 forms a T-shaped section; the smaller first arc end 161 is tangentially in contact with the wall of the shaft hole 170 of the planetary gear 17 to form a contact fit; there is a gap between the larger second arc end 162 and the wall of the shaft hole 170 of the planetary gear 17 to form a clearance fit. Due to the tangential contact between the first arc end 161 and the wall of the shaft hole 170 of the planetary gear 17, when the power device 11 drives the second rotating shaft 16 to rotate around the first rotating shaft 15, the first arc end 161 of the second rotating shaft 16 can also drive the planetary gear 17 to rotate at the same time.

[0065] For the second rotating shaft 16 with a T-shaped cross section, its larger second arc end 162 is coaxial with the second rotating shaft 16, such as Figure 7 As shown, the axis o2 of the second rotating shaft 16 is located between the first rotating shaft 15 and the working surface of the second rotating shaft 16 (the first arc end 161 ); and the center of gravity of the second rotating shaft 16 is substantially coincident with the axis o1 of the first rotating shaft 15 .

[0066] When the second rotating shaft 16 cooperates with the power device 11, in one embodiment, see Figure 8 At least one end surface of the second rotating shaft 16 along the axial direction is provided with a mounting hole 16a, the output shaft 110 of the power device 11 is connected to the second rotating shaft 16 through the mounting hole 16a, and the first rotating shaft 15 is penetrated by the other end surface of the second rotating shaft 16 along the axial direction.

[0067] For example, the power device 11 can be a motor, the mounting hole 16a can be a D-shaped hole, the output shaft 110 of the motor is adapted to the D-shaped hole, and the output shaft 110 of the motor is inserted into the D-shaped hole; the first rotating shaft 15 coaxial with the D-shaped hole is provided on the side of the second rotating shaft 16 opposite to the D-shaped hole.

[0068] In another embodiment, Fig. 9 As shown, the mounting hole 16a penetrates the second rotating shaft 16 along the axial direction, and the output shaft 110 of the power device 11 and the first rotating shaft 15 are integrally or separately arranged.

[0069] Still taking the mounting hole 16a as an example of a D-shaped hole, the first rotating shaft 15 and the output shaft 110 are separately arranged, and the D-shaped hole of the second rotating shaft 16 is a through hole. The output shaft 110 of the power device 11 is installed at one end of the D-shaped hole, and the first rotating shaft 15 is installed at the other end. At this time, the first rotating shaft 15 forms a stepped shaft that is adapted to the D-shaped hole, which can limit the output gear 14.

[0070] Alternatively, the first rotating shaft 15 and the output shaft 110 may be integrally arranged, and the output shaft 110 of the power device 11 is installed at one end of the D-shaped hole, and the output shaft 110 passes through the second rotating shaft 16 and extends from the other end, and the extended part serves as the rotating shaft of the output gear 14 .

[0071] And / or, the first rotating shaft 15 and the second rotating shaft 16 are integrally arranged;

[0072] And / or, the output shaft 110, the first rotating shaft 15 and the second rotating shaft 16 are integrally arranged;

[0073] The above different setting methods are selected according to specific needs.

[0074] On this basis, the present application also discloses an intelligent circuit breaker. Fig.10 , Fig.12 As shown, it includes a housing 100a, and the housing 100a is sequentially provided with an operating member 101, a connecting rod 103, a tripping mechanism 104, and a contact mechanism 105 along a first direction, and also includes a locking member 102 and the above-mentioned planetary gear structure 10 arranged side by side with the connecting rod 103 along a second direction, and the operating member 101 is respectively linked with the planetary gear structure 10, the locking member 102, and the connecting rod 103, and the operating member 101 realizes manual control of closing and opening of the contact mechanism 105 through the connecting rod 103 and the tripping mechanism 104; the planetary gear structure 10 drives the operating member 101 to realize automatic control of closing and opening of the contact mechanism 105;

[0075] When the operating member 101 drives the end of the locking member 102 to abut against the end of the connecting rod 103, the contact mechanism 105 remains in the closed state. When the operating member 101 drives the end of the locking member 102 to disengage from the end of the connecting rod 103, the contact mechanism 105 is opened.

[0076] The intelligent circuit breaker has two operating states: manual and automatic. When in manual operation, Fig.11 As shown, the operating member 101 is pushed to the right, which in turn drives the connecting rod 103, the tripping mechanism 104 and the contact mechanism 105 to move, and drives the contact 105a mechanism to close the circuit breaker; during the closing process, the movement of the operating member 101 drives the right end of the locking member 102 to abut against the right end of the connecting rod 103, so that the contact mechanism 105 is kept in the closed position; the operating member 101 is pulled to the left, as shown. Fig.13 As shown, the operating member 101 drives the locking member 102 to rotate counterclockwise, the right end of the locking member 102 is separated from the right end of the connecting rod 103, and the moving contact 105a rotates counterclockwise back to the disconnected position under the action of the contact spring.

[0077] During automatic operation, the control power device 11 is started, and the planetary gear structure 10 drives the operating member 101 to push to the right or pull to the left to realize automatic control of the closing and opening of the contact mechanism 105. The specific closing and opening process refers to the closing and opening process of the manual operation mentioned above, which will not be repeated here.

[0078] Specifically, Fig.14 As shown, a rack 101 a is provided on the operating member 101 , and sector teeth are formed on the output gear 14 of the planetary gear structure 10 , and the rack 101 a meshes with the sector teeth.

[0079] A rack 101a is provided on one side of the operating member 101 facing the output gear 14, and sector teeth are formed on the output gear 14. When the rack 101a and the sector teeth are meshed, the operating member 101 can be driven to move rightward or leftward to complete the closing and opening of the switch.

[0080] In addition, the rack 101a and the sector teeth Fig.14 In addition to the meshing state, when the power device 11 of the planetary gear 17 is closed, as shown Fig.15 As shown, the sector teeth rotate to the side away from the operating member 101, and the sector teeth and the rack 101a of the operating member 101 are separated. At this time, the operating member 101 can be manually operated to manually open the gate; when the power device 11 is disconnected, as shown in FIG. Fig.16 As shown, the sector teeth rotate to the side facing the operating member 101, the sector teeth and the rack 101a of the operating member 101 are separated, and the circuit breaker can be manually closed through the operating member 101; in other words, when the sector teeth and the rack 101a are separated, the sector teeth can be rotated to the side facing away from the rack 101a, as long as the sector teeth are separated from the rack 101a and are not on the movement path of the rack 101a, this will not affect the manual operation of closing and opening the circuit breaker.

[0081] As mentioned above, in the closed position, the right end of the locking member 102 abuts against the right end of the connecting rod 103, so that the contact mechanism 105 remains in the closed position.

[0082] Fig.17 An abutting surface 102b is provided at one end of the middle locking member 102 close to the tripping mechanism 104, i.e., the right end of the locking member 102. When in the closed position, the abutting surface 102b of the locking member 102 abuts against the connecting rod 103 to keep the contact mechanism 105 in the closed state.

[0083] In the closed state, the locking member 102 abuts against the connecting rod 103 through the abutting surface 102b at the right end, and the contact mechanism 105 remains in the closed state. The opening distance between the moving contact 105a and the static contact is increased, which can improve the dielectric, electrical life, short-circuit breaking performance, etc., making the intelligent circuit breaker simple in structure and small in space.

[0084] A release surface 102a is provided at one end of the locking member 102 close to the operating member 101, and a boss 101b is provided on the operating member 101. When the release surface 102a abuts against the boss 101b, the boss 101b drives the release surface 102a to rotate the locking member 102 and disengage the connecting rod 103, so that the contact mechanism 105 can be opened.

[0085] Fig.13 As shown, a release surface 102a is provided at the left end of the locking member 102, and the release surface 102a is adapted to the boss 101b of the operating member 101. When the operating member 101 is actuated, the release surface 102a is driven by the boss 101b to make the locking member 102 rotate counterclockwise. After the locking member 102 rotates a certain angle, the abutting surface 102b at the right end of the locking member 102 is disengaged from the connecting rod 103, and the moving contact 105a rotates counterclockwise and disconnects under the action of the contact spring, and the contact mechanism 105 is opened.

[0086] In addition, a locking spring (not shown in the figure) is provided on the locking member 102, and the two ends of the locking spring are respectively connected to the locking member 102 and the shell 100a. The locking spring can keep the locking member 102 in a clockwise rotation trend, so that the locking member 102 is located on the movement path of the connecting rod 103, blocking the connecting rod 103 from resetting, thereby keeping the contact mechanism 105 in the closed state.

[0087] It also includes a tripping mechanism reset spring 105b, both ends of which are connected to the tripping mechanism 104 to reset the tripping mechanism 104. In normal operation, the tripping mechanism 104 is kept engaged, so that the connecting rod 103 cannot slide in the slide groove 104a; in the event of a fault, the tripping mechanism 104 is unfastened, and the connecting rod 103 can slide in the slide groove 104a. After all the mechanism components return to the disconnected position, the tripping mechanism reset spring 105b re-engages the tripping mechanism 104.

[0088] It also includes a return spring (not shown in the figure), which is installed between the operating member 101 and the shell 100a. The return spring stores energy during the closing operation, and releases the stored energy during the disconnection operation to reset the operating member 101 and the connecting rod 103 to the disconnected position, providing a driving force for the operating member 101 and the connecting rod 103 to return to the disconnected position.

[0089] A contact spring (not shown in the figure) is also included, which acts between the contact mechanism and the housing 100a to provide a driving force for the contact mechanism to return to the disconnected position.

[0090] like Fig.13 As shown, it also includes an electromagnetic release 106, which is linked with the tripping mechanism 104 to drive the tripping mechanism 104 to trip when a short circuit fault occurs; a slide groove 104a is provided on the tripping mechanism 104, and the connecting rod 103 slides into the slide groove 104a, and the moving contact 105a rotates under the action of the contact spring, and the contact mechanism 105 is disconnected.

[0091] When a short circuit occurs, the electromagnetic release 106 drives the tripping mechanism 104 to trip, and the connecting rod 103 slides into the sliding groove 104a of the tripping mechanism 104, causing the moving contact 105a to rotate counterclockwise and return to the disconnected position under the action of the contact spring. After the connecting rod 103 enters the sliding groove 104a, it disengages from the locking member 102, and the operating member 101 returns to the disconnected position under the action of the reset spring.

[0092] It also includes an overload sensor (current sensor or thermal sensor) connected to the power device 11 of the planetary gear structure 10. After the overload signal is processed by the main control circuit board, an operation instruction is sent to the power device 11, and the contact 105a mechanism is driven to disconnect through the planetary gear structure 10.

[0093] When overloaded, the overload signal passes through the electronic signal processor. When the overload signal lasts for a certain period of time, a trip signal is sent to the power device 11. The power device 11 starts to drive the operating member 101 to move to the disconnected position through the planetary gear structure 10. The operating member 101 drives the locking member 102 to rotate counterclockwise, and the right end of the locking member 102 is separated from the right end of the connecting rod 103, so that the moving contact 105a rotates counterclockwise and returns to the disconnected position under the action of the contact spring.

[0094] When the intelligent circuit breaker has other faults except short circuit and overload, and the fault signal needs to be disconnected after being analyzed by the main control circuit board, a disconnection command is sent to the power device 11, the power device 11 drives the operating member 101, and the operating member drives the locking member 102, so that the connecting rod 103 is disengaged from the locking member 102, and the contact mechanism 105 returns to the disconnected position under the action of the contact spring, and the operating member 101 and the connecting rod 103 are reset.

[0095] The intelligent circuit breaker includes the same structure and beneficial effects as the planetary gear structure 10 in the aforementioned embodiment. The structure and beneficial effects of the planetary gear structure 10 have been described in detail in the aforementioned embodiment, and will not be repeated here.

[0096] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A planetary gear structure, characterized in that: The invention comprises a fixed gear (12), a planetary gear (17) and an output wheel (13) which are meshed in sequence, wherein the output wheel (13) is coaxially provided with an output gear (14) via a first rotating shaft (15), a second rotating shaft (16) which matches the planetary gear (17) is provided in an axial hole (170) of the planetary gear (17), the first rotating shaft (15) passes through the second rotating shaft (16), the first rotating shaft (15) and the second rotating shaft (16) are not coaxial, and the fixed gear (12) is away from the output wheel (1 3) is used to set a power device (11), the power device (11) is connected to the second rotating shaft (16), drives the second rotating shaft (16) to rotate around the first rotating shaft (15), and drives the output gear (14) to move around the first rotating shaft (15) through the planetary gear (17) matched with the second rotating shaft (16), and the output gear (14) is used to mesh with the operating member (101) of the intelligent circuit breaker to drive the intelligent circuit breaker to operate through the operating member (101).

2. The planetary gear structure according to claim 1, characterized in that: The two ends of the second rotating shaft (16) that cooperate with the planetary gear (17) respectively form a first arc end (161) and a second arc end (162); the arc radius of the first arc end (161) is smaller than the arc radius of the second arc end (162); the first arc end (161) is tangentially abutted against the shaft hole (170) of the planetary gear (17), and the second arc end (162) is clearance-matched with the shaft hole (170) of the planetary gear (17); the center of gravity of the second rotating shaft (16) coincides with or approximately coincides with the axis center (o1) of the first rotating shaft (15).

3. The planetary gear structure according to claim 2, characterized in that: At least one end surface of the second rotating shaft (16) along the axial direction is provided with a mounting hole (16a); the output shaft (110) of the power device (11) is connected to the second rotating shaft (16) via the mounting hole (16a); and the first rotating shaft (15) is penetrated by the other end surface of the second rotating shaft (16) along the axial direction.

4. The planetary gear structure according to claim 3, characterized in that: The mounting hole (16a) penetrates the second rotating shaft (16) along the axial direction, and the output shaft (110) of the power device (11) and the first rotating shaft (15) are integrally arranged or separately arranged; And / or, the first rotating shaft (15) and the second rotating shaft (16) are integrally arranged; And / or, the output shaft (110), the first rotating shaft (15) and the second rotating shaft (16) are integrally arranged.

5. The planetary gear structure according to any one of claims 1 to 4, characterized in that: The planetary gear (17) comprises a first outer gear ring (171) and a second outer gear ring (172) which are stacked, the first outer gear ring (171) meshing with the inner gear ring (120) of the fixed gear (12), and the second outer gear ring (172) meshing with the inner gear ring (131) of the output wheel (13).

6. An intelligent circuit breaker, characterized in that: The invention comprises a shell (100a), wherein the shell (100a) is provided with an operating member (101), a connecting rod (103), a tripping mechanism (104), and a contact mechanism (105) in sequence along a first direction, and further comprises a locking member (102) arranged side by side with the connecting rod (103) along a second direction and a planetary gear structure (10) according to any one of claims 1 to 5, wherein the operating member (101) is respectively linked with the planetary gear structure (10), the locking member (102), and the connecting rod (103), and the operating member (101) realizes manual control of closing and opening of the contact mechanism (105) through the connecting rod (103) and the tripping mechanism (104); and the planetary gear structure (10) drives the operating member (101) to realize automatic control of closing and opening of the contact mechanism (105); When the operating member (101) drives the end of the locking member (102) and the end of the connecting rod (103) to abut against each other, the contact mechanism (105) remains in a closed state; when the operating member (101) drives the end of the locking member (102) and the end of the connecting rod (103) to disengage, the contact mechanism (105) opens.

7. The intelligent circuit breaker according to claim 6, characterized in that: The operating member (101) is provided with a rack (101a), and sector-shaped teeth are formed on the output gear (14) of the planetary gear structure (10), and the rack (101a) meshes with the sector-shaped teeth.

8. The intelligent circuit breaker according to claim 7, characterized in that: After the power device (11) of the planetary gear (17) is closed, the sector teeth rotate to a side away from the operating member (101), and the switch can be manually opened through the operating member (101); after the power device (11) is disconnected, the sector teeth rotate to a side facing the operating member (101), and the switch can be manually closed through the operating member (101).

9. The intelligent circuit breaker according to claim 6, characterized in that: An abutting surface (102b) is provided at one end of the locking member (102) close to the tripping mechanism (104); when in the closed position, the abutting surface (102b) of the locking member (102) abuts against the connecting rod (103), so that the contact mechanism (105) remains in the closed state.

10. The intelligent circuit breaker according to claim 6 or 9, characterized in that: A release surface (102a) is provided at one end of the locking member (102) close to the operating member (101), and a boss (101b) is provided on the operating member (101). When the release surface (102a) abuts against the boss (101b), the boss (101b) drives the release surface (102a) to rotate the locking member (102) and disengage from the connecting rod (103), so that the contact mechanism (105) can open the gate.

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