Manual-automatic integrated operating mechanism and circuit breaker

Abstract

The invention relates to the technical field of circuit breaker operating mechanisms, and discloses a manual-automatic integrated operating mechanism and a circuit breaker.The manual-automatic integrated operating mechanism comprises a circuit breaker and a control box, a lining assembly, a manual control assembly and an electric control assembly are arranged in the control box, and the lining assembly comprises a top frame and a bottom frame which are arranged in the control box; the fixed frame is arranged at the end, away from the top frame, of the bottom frame, the inner frame and the fixed back plate are arranged on the inner side of the bottom frame, and the manual control assembly comprises a sliding rod arranged in the inner frame and an offset sliding block arranged on the outer side of the sliding rod. According to the manual-automatic integrated operating mechanism, through the arrangement of the electric control assembly and the reset spring, consistent synchronism of closing and separating of the manual operating device and closing and separating of the electric operating device is achieved, moving position divergence and conflict are not generated, and the problem that in the prior art, the manual-automatic integrated operating mechanism is difficult to operate is solved. And a manual operation mechanism and an electric operation mechanism in the circuit breaker are not compatible.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit breaker operating mechanisms, and in particular to a manual-automatic integrated operating mechanism and a circuit breaker. Background Art

[0002] The circuit breaker control mechanism is a device used to control the opening and closing of the circuit breaker. Its main functions include: being able to accurately control the circuit breaker to perform opening and closing operations, and being able to respond quickly and accurately in both manual and electric operation modes. In manual mode, opening and closing can be easily achieved through a convenient operating handle; in electric mode, it is driven by a high-performance electric drive device with fast response speed and high control accuracy. In addition, the control mechanism has a compact structure, is easy to install, and has low maintenance costs. It is an ideal choice for controlling circuit breakers in power systems.

[0003] In the patent application with the publication number of CN115346838A, an intelligent circuit breaker is disclosed, including: a circuit breaker body; and an intelligent control mechanism, which is detachably mounted on the circuit breaker body; wherein the circuit breaker body is provided with a handle and a reset button, the handle is used to control the state of the circuit breaker body, and the reset button is used to control whether the internal structure of the circuit breaker body is reset; the intelligent control mechanism includes: a fixed shell, the interior of which forms a placement cavity with an open bottom; an automatic control module, which is movably arranged in the placement cavity through a fixed bracket; a manual control module, which is arranged on the automatic control module; and a reset module, which is movably arranged at the side end of the automatic control module. According to the present invention, it does not require manual direct contact operation of the circuit breaker, and can effectively protect the staff. At the same time, the present invention has a reasonable layout, a compact structure, and a small footprint, and has a broad market application value.

[0004] The prior art has the following defects:

[0005] At present, for circuit breaker type devices, a manual operating device is generally set inside the circuit breaker, or an electric operating device is set inside. The two are not compatible with each other, and the control logics between them cannot be synchronized. The current existing technology can only set the two operating devices completely independently, and during use, they need to use their own independent operating logic, which leads to poor convenience of use, and the devices that need to be set become numerous. The equipment cost of the entire circuit breaker is also relatively high, and their respective applicability is weak, which is not conducive to universal applicability.

[0006] The working principle of the circuit breaker control mechanism is to limit the switch of the circuit breaker through its own snap structure, driving it to open and close the switch. However, due to the different sizes of the circuit breakers in different connections, the amplitude of the opening and closing actions also varies. This leads to poor adaptability of the control mechanism, and the circuit breaker switch may not be opened and closed in place, affecting the stability of the equipment. Summary of the invention

[0007] In view of the problems in the prior art that the manual and automatic switches cannot be synchronized and the control mechanism cannot be fully adapted to the circuit breaker, a manual and automatic integrated operating mechanism and a circuit breaker are proposed.

[0008] The present application provides a manual-automatic integrated operating mechanism and a circuit breaker, the purpose of which is to achieve synchronization of manual and automatic switches and to adapt the control mechanism to the circuit breaker.

[0009] The technical scheme of the present invention is: a manual-automatic integrated operating mechanism, which acts on a circuit breaker, comprises a control box, in which an inner lining assembly, a manual control assembly and an electric control assembly are arranged, the inner lining assembly comprises a top frame and a bottom frame arranged in the control box, a fixed frame arranged at one end of the bottom frame away from the top frame, an inner frame and a fixed back plate arranged on the inner side of the bottom frame, the manual control assembly comprises a sliding rod arranged inside the inner frame, an offset slider arranged outside the sliding rod, a bayonet arranged on the surface of the offset slider, a connecting frame arranged on both sides of the offset slider, a connecting tooth box arranged between the two connecting frames, a rotating shaft gear arranged inside the connecting tooth box, a handle mounting piece arranged on the surface of the rotating shaft gear, the electric control assembly comprises a driving motor and a transmission gear set arranged on the surface of the inner frame, a transmission shaft arranged outside the transmission gear set, a rotating contact piece arranged outside the transmission shaft, a push rod arranged on the surface of the connecting frame, and a micro switch arranged on the surface of the inner frame;

[0010] The top frame and the bottom frame are both C-shaped, and one end of the connecting frame away from the offset slider extends into the top frame. A tooth groove meshing with the rotating shaft gear is provided inside the connecting frame. The handle mounting piece passes through the top frame and the control box. The output end of the drive motor meshes with the transmission gear set. The transmission shaft passes through the inner frame and extends to the surface of the offset slider. The rotating contact piece is fan-shaped, and the push rod fits the outer contour of the rotating contact piece. The micro switches are distributed on both sides of the offset slider. The control circuit board is installed on the surface of the fixed back plate, and the control circuit board is electrically connected to the micro switch.

[0011] Furthermore, a return spring is hooked between the rotating shaft gear and the base frame.

[0012] Furthermore, a clamping assembly is provided in the offset slider, and the clamping assembly includes sockets provided on both sides of the offset slider, a movable sleeve provided inside the sockets, a movable rod provided inside the movable sleeve, and a clamping plate provided at one end of the movable rod away from the movable sleeve; a supporting spring provided at one end of the movable rod located inside the movable sleeve, and a piston plate provided at one end of the supporting spring away from the movable rod.

[0013] One end of the movable rod away from the movable sleeve extends into the bayonet, and the clamping plate is located in the bayonet.

[0014] Furthermore, a pneumatic assembly is provided on the surface of the offset slider, and the pneumatic assembly includes a mounting groove provided on one side of the offset slider, a vent pipe provided in the mounting groove, and an extension pipe provided outside the vent pipe;

[0015] The assembly groove is provided with three ends, two ends of which extend into two movable sleeves respectively, and one end extends out of an offset slider. The ventilation pipe and the extension pipe are arranged along the path of the assembly groove. The ventilation pipe connects the two movable sleeves, and the extension pipe extends out of the offset slider.

[0016] Furthermore, the pneumatic assembly further comprises a connecting pipe arranged at the junction of the vent pipe and the extension pipe, an air intake spring arranged at one end of the connecting pipe close to the extension pipe, a docking air hole arranged on the outside of the connecting pipe, an air intake sealing plate arranged at one end of the connecting pipe close to the vent pipe, and an air intake sealing spring arranged between the exhaust pipe and the connecting pipe;

[0017] Limiting rings are arranged on the inner sides of the ventilation pipe and the extension pipe, and the limiting rings are distributed at both ends of the connecting pipe. One end of the intake spring is installed on the limiting ring. The docking air hole is located at the junction of the ventilation pipe and the extension pipe, and the intake sealing plate seals one end of the connecting pipe.

[0018] Furthermore, the pneumatic assembly further comprises two exhaust pipes arranged outside the vent pipe, an exhaust sealing plate arranged at the opening of the exhaust pipe, and an exhaust sealing spring arranged between the exhaust sealing plate and the exhaust pipe;

[0019] The exhaust pipe extends out of the assembly groove, the exhaust closing plate closes the exhaust pipe, and the exhaust pipe is distributed at both ends of the intersection of the ventilation pipe and the extension pipe.

[0020] Furthermore, the clamping assembly further comprises a rotation groove arranged on the side of the piston plate away from the support spring, a positioning hole arranged on the surface of the piston plate, a rotation disk arranged inside the rotation groove, an avoidance hole and a docking groove arranged on the surface of the rotation disk, and a rotation control member arranged on the outside of the movable sleeve;

[0021] The piston plate is divided into two connection areas and two installation areas, and the occupancy ratio of the two areas is 3:4. The two connection areas and the two installation areas are distributed alternately, the positioning holes are distributed in the installation areas, and the support springs extend into the positioning holes. The rotating disk is divided into two docking areas and two misaligned areas, and the occupancy ratio of the two areas is 3:4. The two docking areas and the two misaligned areas are distributed alternately, the avoidance holes are distributed in the docking areas, the avoidance holes are docked with the positioning holes, the docking groove is located at the center of the rotating disk, and the rotating control part passes through the movable sleeve and extends into the docking groove.

[0022] Furthermore, the clamping plate is rotatably connected to the movable rod.

[0023] A circuit breaker, applied to a manual-automatic integrated operating mechanism, comprises a circuit breaker, a switch arranged on the surface of the circuit breaker, and a display assembly arranged on the surface of the circuit breaker, wherein the display assembly comprises an external connection hole arranged on the side of the circuit breaker, and a display shaft arranged inside the external connection hole;

[0024] The control box is installed on the surface of the circuit breaker switch, the display shaft passes through the external hole and is threadedly connected to the switch, the central axis of the display shaft is concentrically arranged with the rotating axis of the switch, and an on / off mark is arranged at one end of the display shaft extending to the opening of the external hole.

[0025] Furthermore, a mounting assembly is provided on the surface of the circuit breaker, and the mounting assembly includes a mounting slot provided on the front of the circuit breaker, a mounting seat provided inside the mounting slot, and a threaded hole provided on the surface of the mounting seat.

[0026] Beneficial effects of the present invention:

[0027] 1. By setting up an electric control component and a reset spring, the two are synchronously connected to achieve the synchronization of the closing and opening positions of the manual operating device and the closing and opening positions of the electric operating device, without causing differences and conflicts in the moving positions, thus solving the problem of incompatibility between the manual operation and the electric operation mechanism inside the circuit breaker in the conventional technology in the past;

[0028] At the same time, in the circuit board part, specific setting control of the program is carried out. By setting the number of rotating teeth inside the gear group, the number of rotations required for identifying the closed position and the open position in both directions is calibrated, so as to solve the counting error in calculating the number of rotating teeth, which leads to deviation in the positioning device of the synchronization mechanism due to the error in the number of rotating teeth in the later use process, thereby improving the ability of the manual and automatic integrated operating mechanism of the circuit breaker to be widely used.

[0029] 2. By setting a clamping component and a pneumatic component, air is filled into the socket using the pneumatic component, and the piston plate pushes the movable rod to move through the supporting spring. The clamp is clamped on the surface of the switch. When the offset slider moves, the switch can be stably driven to deflect and the opening and closing of the switch can be completed. The adaptability of the operating mechanism is enhanced and the control stability is improved. If the switch completes the deflection before the end of the bayonet stroke, the supporting spring is compressed and adjusted. In this way, the adaptability of the operating mechanism can be further enhanced and the control state can be more stable.

[0030] 3. By setting up the connecting pipe and the exhaust pipe, since the force required to start the switch is large, the support spring also needs to provide sufficient supporting force. In this way, a large amount of energy will be accumulated when the support spring is compressed, and then the exhaust sealing plate will be opened to release most of this energy, thereby avoiding fatigue damage to the piston plate, support spring, movable rod, clamping plate and switch due to long-term stress, which is beneficial to extending the service life of the structural components. At the same time, since a certain pressure is required to open the exhaust sealing plate, the clamping plate can maintain effective clamping of the switch.

[0031] 4. By coordinating the positioning holes and the avoidance holes, the number of docking of the avoidance holes and the positioning holes can be controlled by rotating the rotating disk. The more the avoidance holes and the positioning holes are docked, the less the support spring that can be compressed between the piston plate and the movable rod will be, and the force required to compress the support spring will also be smaller. The fewer the avoidance holes and the positioning holes are docked, the opposite is true. In this way, the supporting force required to be provided by the support spring can be adjusted according to the force required for the switch deflection, so that the equipment and the circuit breaker are more compatible and meaningless power loss and component fatigue loss can be reduced.

[0032] 5. By setting up a display component, when the operating mechanism blocks the switch, the state of the switch can be judged by observing the display axis, avoiding the situation where the operator cannot look directly at the switch when the operating mechanism fails or the switch is damaged, resulting in wrong judgment, affecting the normal work or increasing the risk of electric shock.

[0033] 6. By setting up the installation components, four fixed points that can be moved arbitrarily appear on the surface of the circuit breaker, which makes the circuit breaker and the operating mechanism more adaptable. There is no need to use a specific model, which can save equipment costs. At the same time, the operating mechanism can be adjusted in a small range according to the switch position, making it more compatible and having a better control effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 A three-dimensional diagram of the manual-automatic integrated operating mechanism and the circuit breaker of the present invention;

[0035] Figure 2 This is a schematic diagram of the control box of the present invention;

[0036] Figure 3 It is a schematic diagram of the liner assembly of the present invention;

[0037] Figure 4 This is a schematic diagram of a manual control assembly of the present invention;

[0038] Figure 5 It is a schematic diagram of the electric control assembly of the present invention;

[0039] Figure 6 A schematic diagram of an offset slider and a rotating contact piece of the present invention;

[0040] Figure 7 A schematic diagram of an offset slider of the present invention;

[0041] Figure 8 A plan view of the offset slider of the present invention;

[0042] Fig. 9 For the present invention Figure 8 Sectional view at AA;

[0043] Fig.10 For the present invention Fig. 9 A magnified view of the middle clamping assembly;

[0044] Fig.11 This is a disassembled diagram of the clamping assembly of the present invention;

[0045] Fig.12 This is a disassembled diagram of the pneumatic assembly of the present invention;

[0046] Fig.13 This is a schematic diagram of the interior of the movable sleeve of the present invention;

[0047] Fig.14 This is a disassembled diagram of the internal components of the movable sleeve of the present invention;

[0048] Fig.15 This is a schematic diagram of the interior of the trachea of ​​the present invention;

[0049] Fig.16 It is a schematic diagram of the connecting pipe of the present invention;

[0050] Fig.17 This is a schematic diagram of the interior of the exhaust pipe of the present invention;

[0051] Fig.18 This is a disassembly diagram of the circuit breaker and the control box of the present invention;

[0052] Fig.19 A schematic diagram of a circuit breaker of the present invention;

[0053] Fig. 20 It is a schematic diagram showing the axis of the present invention.

[0054] In the figure:

[0055] 1. Circuit breaker; 2. Control box; 3. Liner assembly; 31. Top frame; 32. Bottom frame; 33. Fixed frame; 34. Inner frame; 35. Fixed back plate; 4. Manual control assembly; 41. Sliding rod; 42. Offset slider; 43. Bayonet; 44. Connecting frame; 45. Connecting gear box; 46. Rotating shaft gear; 47. Handle mounting piece; 5. Electric control assembly; 51. Driving motor; 52. Transmission gear set; 53. Transmission shaft; 54. Rotating contact piece; 55. Push rod; 56. Micro switch; 6. Reset spring; 7. Clamp assembly; 71. Socket; 72. Movable sleeve; 73. Movable rod; 74. Clamp; 7 5. Support spring; 76. Piston plate; 77. Rotation groove; 78. Positioning hole; 79. Rotation disk; 710. Avoidance hole; 711. Docking groove; 712. Rotation control member; 8. Pneumatic component; 81. Assembly groove; 82. Ventilation pipe; 83. Extension pipe; 84. Connecting pipe; 85. Intake spring; 86. Docking air hole; 87. Intake sealing plate; 88. Intake sealing spring; 89. Exhaust pipe; 810. Exhaust sealing plate; 811. Exhaust sealing spring; 9. Display component; 91. External hole; 92. Display axis; 10. Installation component; 101. Installation slide groove; 102. Mounting seat; 103. Threaded hole. DETAILED DESCRIPTION

[0056] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0057] Example 1, reference Figure 1-7 , which is the first embodiment of the present invention, provides a manual-automatic integrated operating mechanism, which acts on a circuit breaker, including a control box 2, in which a lining component 3, a manual control component 4, and an electric control component 5 are arranged. The lining component 3 includes a top frame 31 and a bottom frame 32 arranged in the control box 2, a fixed frame 33 arranged at one end of the bottom frame 32 away from the top frame 31, an inner frame 34 and a fixed back plate 35 arranged on the inner side of the bottom frame 32, and the manual control component 4 includes a sliding rod 41 arranged inside the inner frame 34, an offset slider 42 arranged outside the sliding rod 41, and an offset slider 43 arranged on the outer side of the offset slider 43. 2, a bayonet 43 on the surface of the inner frame 34, a connecting frame 44 arranged on both sides of the offset slider 42, a connecting gear box 45 arranged between the two connecting frames 44, a rotating shaft gear 46 arranged on the inner side of the connecting gear box 45, and a handle mounting member 47 arranged on the surface of the rotating shaft gear 46. The electric control assembly 5 includes a driving motor 51 and a transmission gear set 52 arranged on the surface of the inner frame 34, a transmission shaft 53 arranged on the outer side of the transmission gear set 52, a rotating contact piece 54 arranged on the outer side of the transmission shaft 53, a pushing rod 55 arranged on the surface of the connecting frame 44, and a micro switch 56 arranged on the surface of the inner frame 34.

[0058] Specifically, the circuit breaker is a circuit breaker switch 1, the control box 2 is fixed to the surface of the circuit breaker switch 1 by screws, and the switch on the surface of the circuit breaker switch 1 extends into the bayonet 43, the top frame 31 and the bottom frame 32 are both C-shaped, and the C-shaped openings of the top frame 31 and the bottom frame 32 are opposite to each other and fixed by screws, the fixed frame 33, the inner frame 34 and the fixed back plate 35 are all fixed to the bottom frame 32 by screws, and an offset opening is opened on the side of the bottom frame 32 close to the circuit breaker switch 1, and the translation opening covers the outside of the bayonet 43.

[0059] The offset slider 42 slides on the outside of the sliding rod 41, and the end of the connecting frame 44 away from the offset slider 42 bypasses the side of the inner frame 34 and the fixed back plate 35 and extends into the top frame 31. A tooth groove meshing with the rotating shaft gear 46 is arranged inside the connecting frame 44, and the handle mounting piece 47 passes through the top frame 31 and the control box 2. The handle mounting piece 47 is fixedly connected to the rotating shaft gear 46. The output end of the drive motor 51 is meshed with the transmission gear set 52, and the transmission shaft 53 passes through the inner frame 34 and extends to the surface of the offset slider 42. The rotating contact piece 54 is fan-shaped, and the push rod 55 fits the outer contour of the rotating contact piece 54. The micro switch 56 is distributed on both sides of the offset slider 42. The control circuit board is installed on the surface of the fixed back plate 35, and the control circuit board is electrically connected to the micro switch 56. A trigger switch is arranged on the outside of the micro switch 56, and a reset spring 6 is hung between the rotating shaft gear 46 and the bottom frame 32.

[0060] By setting the electric control component 5 and the reset spring 6, the two are synchronously connected, so as to achieve the consistent synchronization of the closed position and the open position of the manual operating device and the closed position and the open position of the electric operating device, without generating the difference and conflict of the moving position, and solve the problem of the incompatibility between the manual operation and the electric operating mechanism inside the circuit breaker in the conventional technology in the past; at the same time, in the circuit board part, the specific setting control of the program is carried out, and the number of rotations required for the closed position and the open position in both directions are calibrated by setting the number of rotating teeth inside the gear set, so as to solve the problem of the counting error of the rotating teeth number, which leads to the deviation of the positioning device of the synchronization mechanism due to the influence of the error of the rotating teeth number in the later use process, and improves the ability of the manual and automatic integrated operating mechanism of the circuit breaker to be widely used.

[0061] Example 2, reference Figure 7-17 , which is the second embodiment of the present invention. This embodiment is different from the first embodiment in that: a clamping assembly 7 is provided in the offset slider 42, and the clamping assembly 7 includes a socket 71 provided on both sides of the offset slider 42, a movable sleeve 72 provided inside the socket 71, a movable rod 73 provided inside the movable sleeve 72, and a clamping plate 74 provided at one end of the movable rod 73 away from the movable sleeve 72; a supporting spring 75 provided at one end of the movable rod 73 located in the movable sleeve 72, and a piston plate 76 provided at one end of the supporting spring 75 away from the movable rod 73.

[0062] Specifically, the socket 71 extends into the bayonet 43, the movable sleeve 72 is inserted into the socket 71, and the movable rod 73 is fixed by screws and slidably inserted into the movable sleeve 72. The end of the movable rod 73 away from the movable sleeve 72 extends into the bayonet 43, and an opening is provided at the connection between the movable rod 73 and the clamping plate 74. The clamping plate 74 is inserted into the movable rod 73 through the opening here. The clamping plate 74 is located in the bayonet 43, and the support spring 75 is fixedly connected to the movable rod 73; the clamping plate 74 is rotatably connected to the movable rod 73, so that when the switch is opened and closed, the clamping plate 74 is always in contact with the switch surface to ensure the stability of the state adjustment.

[0063] A pneumatic assembly 8 is disposed on the surface of the offset slider 42 . The pneumatic assembly 8 includes a mounting groove 81 disposed on one side of the offset slider 42 , a vent pipe 82 disposed in the mounting groove 81 , and an extension pipe 83 disposed outside the vent pipe 82 .

[0064] Specifically, the assembly groove 81 is provided with three ends, two ends of which extend into the two movable sleeves 72 respectively, and one end extends out of the offset slider 42. The ventilation pipe 82 is inserted into the assembly groove 81. The ventilation pipe 82 and the extension pipe 83 are arranged along the path of the assembly groove 81. The ventilation pipe 82 connects the two movable sleeves 72, and the extension pipe 83 extends out of the offset slider 42. External interfaces are opened on the circuit breaker 1, the inner frame 34 and the base frame 32. The extension pipe 83 extends out of the circuit breaker 1 through the external interface, and the extension pipe 83 is externally connected to the inflation device.

[0065] By setting the clamping component 7 and the pneumatic component 8, air is filled into the socket 71 using the pneumatic component 8, and the piston plate 76 pushes the movable rod 73 to move through the support spring 75, and the clamping plate 74 is clamped on the surface of the switch. In this way, when the offset slider 42 moves, it can stably drive the switch to deflect and complete the opening and closing of the switch. The adaptability of the operating mechanism is enhanced and the control stability is improved. If the switch completes the deflection before the end of the stroke of the bayonet 43, the support spring 75 is compressed and adjusted, which can further enhance the adaptability of the operating mechanism and make the control state more stable.

[0066] The pneumatic component 8 also includes a connecting pipe 84 arranged at the junction of the ventilation pipe 82 and the extension pipe 83, an intake spring 85 arranged at the end of the connecting pipe 84 close to the extension pipe 83, a docking air hole 86 arranged on the outside of the connecting pipe 84, an intake sealing plate 87 arranged at the end of the connecting pipe 84 close to the ventilation pipe 82, an intake sealing spring 88 arranged between the exhaust pipe 89 and the connecting pipe 84, two exhaust pipes 89 arranged on the outside of the ventilation pipe 82, an exhaust sealing plate 810 arranged at the opening of the exhaust pipe 89, and an exhaust sealing spring 811 arranged between the exhaust sealing plate 810 and the exhaust pipe 89.

[0067] Specifically, the connecting pipe 84 is slidably installed in the extension pipe 83 and the vent pipe 82, and the connecting pipe 84 divides the vent pipe 82 into two sections. Limiting rings are arranged on the inner sides of the vent pipe 82 and the extension pipe 83, and the limiting rings are distributed at both ends of the connecting pipe 84. One end of the intake spring 85 is installed on the limiting ring, and the docking air hole 86 is located at the intersection of the vent pipe 82 and the extension pipe 83. The intake sealing plate 87 closes one end of the connecting pipe 84, and the two ends of the intake sealing spring 88 are respectively fixedly connected to the intake sealing plate 87 and the connecting pipe 84, and the force required for the intake sealing spring 88 to stretch is greater than the intake spring 85; the exhaust pipe 89 is integrally formed with the vent pipe 82, and the exhaust pipe 89 extends out of the assembly groove 81. The exhaust sealing plate 810 closes the exhaust pipe 89, and the exhaust pipe 89 is distributed at both ends of the intersection of the vent pipe 82 and the extension pipe 83.

[0068] By setting the connecting pipe 84 and the exhaust pipe 89, since the force required to start the switch is relatively large, the support spring 75 also needs to provide sufficient supporting force. In this way, when the support spring 75 is compressed, a large amount of energy will be accumulated. Then the exhaust sealing plate 810 will be opened to release most of this energy, thereby preventing the piston plate 76, the support spring 75, the movable rod 73, the clamping plate 74 and the switch from being fatigued and damaged due to long-term stress, which is beneficial to extending the service life of the structural components. At the same time, since a certain pressure is required to open the exhaust sealing plate 810, the clamping plate 74 can maintain effective clamping of the switch.

[0069] The clamping assembly 7 also includes a rotating groove 77 arranged on the side of the piston plate 76 away from the supporting spring 75, a positioning hole 78 arranged on the surface of the piston plate 76, a rotating disk 79 arranged inside the rotating groove 77, an avoidance hole 710 and a docking groove 711 arranged on the surface of the rotating disk 79, and a rotating control member 712 arranged on the outside of the movable sleeve 72.

[0070] Specifically, the support spring 75 is distributed around the axis of the movable rod 73, the rotating disk 79 is rotatably installed in the rotating groove 77, the piston plate 76 is divided into two connection areas and two installation areas, and the occupancy ratio of the two areas is 3:4, the two connection areas and the two installation areas are alternately distributed, the positioning holes 78 are distributed in the installation area, the support spring 75 extends into the positioning holes 78, the rotating disk 79 is divided into two docking areas and two misaligned areas, and the occupancy ratio of the two areas is 3:4, the two docking areas and the two misaligned areas are alternately distributed, the avoidance holes 710 are distributed in the docking areas, the avoidance holes 710 are docked with the positioning holes 78, the docking groove 711 is located at the center of the rotating disk 79, the rotating control member 712 is rotatably connected to the movable sleeve 72, and the rotating control member 712 penetrates the movable sleeve 72 and extends into the docking groove 711.

[0071] By cooperating with the positioning holes 78 and the avoidance holes 710, the number of avoidance holes 710 and the positioning holes 78 that are connected can be controlled by rotating the rotating disk 79. The more avoidance holes 710 and the positioning holes 78 are connected, the less support springs 75 that can be compressed between the piston plate 76 and the movable rod 73, and the force required to compress the support springs 75 also becomes smaller. The fewer avoidance holes 710 and the positioning holes 78 are connected, the opposite is true. In this way, the supporting force required to be provided by the support springs 75 can be adjusted according to the force required for the switch deflection, so that the equipment and the circuit breaker are more compatible and meaningless power loss and component fatigue loss are reduced.

[0072] Example 3, reference Figure 1 and Figure 18-20 , which is the third embodiment of the present invention:

[0073] A circuit breaker is applied to a manual-automatic integrated operating mechanism, including a circuit breaker 1, a switch arranged on the surface of the circuit breaker 1, and a display component 9 arranged on the surface of the circuit breaker 1. The display component 9 includes an external hole 91 arranged on the side of the circuit breaker 1 and a display axis 92 arranged inside the external hole 91.

[0074] Specifically, the external hole 91 extends to the switch surface, the display shaft 92 passes through the external hole 91 and is threadedly connected to the switch, the central axis of the display shaft 92 is concentrically arranged with the rotation axis of the switch, so that the display shaft 92 rotates with the switch, and an on / off mark is arranged at one end of the display shaft 92 extending to the opening of the external hole 91, and the on and off sides are distinguished by red and blue colors.

[0075] By providing the display assembly 9, when the switch is blocked by the operating mechanism, the state of the switch can be determined by observing the display axis 92, thereby preventing the operator from making wrong judgments when the operating mechanism fails or the switch is damaged and the operator cannot look directly at the switch, thus affecting the normal progress of the work or increasing the risk of electric shock.

[0076] Furthermore, a mounting assembly 10 is disposed on the surface of the circuit breaker 1 , and the mounting assembly 10 includes a mounting slot 101 disposed on the front of the circuit breaker 1 , a mounting seat 102 disposed inside the mounting slot 101 , and a threaded hole 103 disposed on the surface of the mounting seat 102 .

[0077] Specifically, the operating mechanism is fixed to the mounting seat 102 by bolts, and the mounting seat 102 is slidably connected to the mounting slide groove 101. There are four mounting slide grooves 101, which are symmetrically arranged.

[0078] By setting the mounting assembly 10, four movable fixed points appear on the surface of the circuit breaker 1, so that the circuit breaker 1 and the operating mechanism are more compatible, and there is no need to use a specific model, which can save equipment costs. At the same time, the operating mechanism can be adjusted in a small range according to the switch position, so that it has a higher degree of fit and a better control effect.

[0079] Based on Examples 1-2, the working principle of the manual-automatic integrated operating mechanism of the present invention is as follows:

[0080] Before installing the operating mechanism, push the two clamping plates 74 to both sides respectively, move the movable rod 73 into the movable sleeve 72, and push the piston plate 76 and the rotating disk 79 with the support spring 75 to move, so that the rotating control member 712 enters the docking groove 711, and then drives the rotating disk 79 to rotate through the rotating control member 712, adjust the docking number of the avoidance hole 710 and the positioning hole 78, change the number of supports between the rotating disk 79 and the movable rod 73, so that the supporting force provided by the support spring 75 corresponds to the force required for the switch deflection, and then adjust the operating mechanism to the open state.

[0081] The air inlet spring 85 is pushed open and the air inlet 86 is pushed in the air outlet 86 to the other end of the air outlet 82. The air in the air outlet 86 is pushed open and the air inlet 85 is pushed in the air outlet 86 to the other end of the air outlet 82. The air in the air outlet 86 is pushed open and the air inlet 85 is pushed in the air outlet 86 to the other end of the air outlet 82. The air in the air outlet 86 is pushed open and the air inlet 85 is pushed in the air outlet 86 to the other end of the air outlet 82. The air in the air outlet 86 is pushed open and the air inlet 85 is pushed in the air outlet 86 to the other end of the air outlet 82. The air in the air outlet 86 is pushed open and the air inlet 85 is pushed in the air outlet 86 to the other end of the air outlet 82.

[0082] When the switch needs to be closed, the manual control component 4 or the electric control component 5 drives the offset slider 42 to move, and the clamping plate 74 drives the switch to move. Since the closing action is completed in an instant, the air in the movable sleeve 72 and the vent pipe 82 cannot be discharged in time. Therefore, the piston plate 76 will be supported by the air at this time, thereby maintaining the stable clamping of the switch by the clamping plate 74. Since the deflection amplitude of different switches is not constant, when the switch completes the deflection before the end of the travel of the bayonet 43, it can no longer move. At this time, the offset slider 42 moves and applies pressure, and a part of the support spring 75 passes through the positioning hole 78 and the avoidance hole 7 10. Another part of the support spring 75 will be compressed to accumulate pressure. At the same time, the high-pressure air in the vent pipe 82 and the movable sleeve 72 will push the exhaust sealing plate 810 open and slowly discharge from the exhaust pipe 89. In this way, after the closing is completed, the high-pressure air will continue to be discharged, so that the air support piston plate 76 moves away from the movable rod 73, and the support spring 75 gradually stretches. When the pressure in the movable sleeve 72 and the vent pipe 82 is not enough to push open the exhaust sealing plate 810, the exhaust sealing spring 811 restricts the exhaust sealing plate 810 at the opening of the exhaust pipe 89 to close it.

[0083] When the switch is closed electrically, the driving motor 51 is started, and the transmission shaft 53 is driven to rotate through the transmission gear set 52, and the transmission shaft 53 drives the rotating contact piece 54 to rotate. The protruding part of the rotating contact piece 54 pushes the offset slider 42 to one side through the pushing rod 55, and the switch in the bayonet 43 follows the movement to complete the closing of the switch. At the same time, the movement of the bayonet 43 will be transmitted to the connecting gear box 45 through the connecting frame 44. The movement of the connecting gear box 45 drives the rotating shaft gear 46 and the handle mounting piece 47 to rotate, so that the manual and self-synchronize. When the switch is opened manually, the handle mounting piece 47 is rotated using a tool, and the rotating shaft gear 46 follows the rotation to drive the connecting gear box 45 to deviate to one side. The connecting gear box 45 drives the offset slider 42 to move through the connecting frame 44, and the outside of the switch is closed.

[0084] In combination with Example 3, the working principle of a circuit breaker of the present invention is as follows:

[0085] After the operating mechanism is attached to the surface of the circuit breaker 1, the fixing frame 33 is aligned with the mounting seat 102, and then the screw is passed through the fixing frame 33 and screwed into the threaded hole 103. At this time, the screw only needs to be screwed in one-third, and then the position of the operating mechanism is adjusted. Try to rotate 4 to observe whether the state switching of the display shaft 92 is normal. After debugging, the screw is completely screwed into the threaded hole 103. During this process, the screw pushes the fixing frame 33 closer to the mounting seat 102, and the fixing frame 33 continuously applies pressure to the circuit breaker 1. Under the action of friction, stable fixation is completed.

[0086] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A manual-automatic integrated operating mechanism, acting on a circuit breaker, comprising a control box (2), wherein a lining component (3), a manual control component (4), and an electric control component (5) are arranged in the control box (2), characterized in that: The lining assembly (3) comprises a top frame (31) and a bottom frame (32) arranged in the control box (2), a fixing frame (33) arranged at one end of the bottom frame (32) away from the top frame (31), an inner frame (34) and a fixing back plate (35) arranged on the inner side of the bottom frame (32), and the manual control assembly (4) comprises a sliding rod (41) arranged inside the inner frame (34), an offset slider (42) arranged outside the sliding rod (41), a bayonet (43) arranged on the surface of the offset slider (42), a connecting frame (44) arranged on both sides of the offset slider (42), and a connecting frame (44) arranged on two connecting frames (45). A connecting gear box (45) between the connecting frame (44), a rotating shaft gear (46) arranged on the inner side of the connecting gear box (45), a handle mounting member (47) arranged on the surface of the rotating shaft gear (46), an electric control assembly (5) comprising a driving motor (51) and a transmission gear set (52) arranged on the surface of the inner frame (34), a transmission shaft (53) arranged on the outer side of the transmission gear set (52), a rotating contact piece (54) arranged on the outer side of the transmission shaft (53), a pushing rod (55) arranged on the surface of the connecting frame (44), and a micro switch (56) arranged on the surface of the inner frame (34); The top frame (31) and the bottom frame (32) are both C-shaped, one end of the connecting frame (44) away from the offset slider (42) extends into the top frame (31), a tooth groove meshing with the rotating shaft gear (46) is arranged inside the connecting frame (44), the handle mounting member (47) passes through the top frame (31) and the control box (2), the output end of the driving motor (51) meshes with the transmission gear set (52), the transmission shaft (53) passes through the inner frame (34) and extends to the surface of the offset slider (42), the rotating contact piece (54) is fan-shaped, the push rod (55) fits the outer contour of the rotating contact piece (54), the micro switch (56) is distributed on both sides of the offset slider (42), and the control circuit board is installed on the surface of the fixed back plate (35), and the control circuit board is electrically connected to the micro switch (56).

2. The manual-automatic integrated operating mechanism according to claim 1, characterized in that: A return spring (6) is hooked between the rotating shaft gear (46) and the bottom frame (32).

3. The manual-automatic integrated operating mechanism according to claim 2, characterized in that: The offset slider (42) is provided with a clamping assembly (7), which comprises insertion holes (71) provided on both sides of the offset slider (42), a movable sleeve (72) provided inside the insertion hole (71), a movable rod (73) provided inside the movable sleeve (72), a clamping plate (74) provided at one end of the movable rod (73) away from the movable sleeve (72); a supporting spring (75) provided at one end of the movable rod (73) located inside the movable sleeve (72), and a piston plate (76) provided at one end of the supporting spring (75) away from the movable rod (73); One end of the movable rod (73) away from the movable sleeve (72) extends into the bayonet (43), and the clamping plate (74) is located in the bayonet (43).

4. The manual-automatic integrated operating mechanism according to claim 3, characterized in that: The surface of the offset slider (42) is provided with a pneumatic assembly (8), the pneumatic assembly (8) comprising a mounting groove (81) provided on one side of the offset slider (42), a vent pipe (82) provided in the mounting groove (81), and an extension pipe (83) provided outside the vent pipe (82); The assembly groove (81) is provided with three ends, two ends of which extend into the two movable sleeves (72) respectively, and one end extends out of the offset slider (42). The vent pipe (82) and the extension pipe (83) are arranged along the path of the assembly groove (81), the vent pipe (82) communicates with the two movable sleeves (72), and the extension pipe (83) extends out of the offset slider (42).

5. The manual-automatic integrated operating mechanism according to claim 4, characterized in that: The pneumatic assembly (8) further comprises a connecting pipe (84) arranged at the junction of the vent pipe (82) and the extension pipe (83), an air intake spring (85) arranged at one end of the connecting pipe (84) close to the extension pipe (83), a docking air hole (86) arranged on the outside of the connecting pipe (84), an air intake sealing plate (87) arranged at one end of the connecting pipe (84) close to the vent pipe (82), and an air intake sealing spring (88) arranged between the exhaust pipe (89) and the connecting pipe (84); Limiting rings are arranged inside the vent pipe (82) and the extension pipe (83), and the limiting rings are distributed at both ends of the connecting pipe (84). One end of the air intake spring (85) is installed on the limiting ring. The docking air hole (86) is located at the intersection of the vent pipe (82) and the extension pipe (83), and the air intake sealing plate (87) seals one end of the connecting pipe (84).

6. The manual-automatic integrated operating mechanism according to claim 5, characterized in that: The pneumatic assembly (8) further comprises two exhaust pipes (89) arranged outside the ventilation pipe (82), an exhaust sealing plate (810) arranged at the opening of the exhaust pipe (89), and an exhaust sealing spring (811) arranged between the exhaust sealing plate (810) and the exhaust pipe (89); The exhaust pipe (89) extends out of the assembly groove (81), and the exhaust sealing plate (810) seals the exhaust pipe (89). The exhaust pipe (89) is distributed at both ends of the intersection of the ventilation pipe (82) and the extension pipe (83).

7. The manual-automatic integrated operating mechanism according to claim 6, characterized in that: The clamping assembly (7) further comprises a rotation groove (77) arranged on a side of the piston plate (76) away from the support spring (75), a positioning hole (78) arranged on the surface of the piston plate (76), a rotation disk (79) arranged inside the rotation groove (77), an avoidance hole (710) and a docking groove (711) arranged on the surface of the rotation disk (79), and a rotation control member (712) arranged on the outside of the movable sleeve (72); The piston plate (76) is divided into two connection areas and two installation areas, and the occupancy ratio of the two areas is 3:

4. The two connection areas and the two installation areas are alternately distributed. The positioning holes (78) are distributed in the installation areas. The support spring (75) extends into the positioning holes (78). The rotating disk (79) is divided into two docking areas and two misalignment areas, and the occupancy ratio of the two areas is 3:

4. The two docking areas and the two misalignment areas are alternately distributed. The avoidance holes (710) are distributed in the docking areas. The avoidance holes (710) are docked with the positioning holes (78). The docking groove (711) is located at the center of the rotating disk (79). The rotating control member (712) passes through the movable sleeve (72) and extends into the docking groove (711).

8. The manual-automatic integrated operating mechanism according to claim 7, characterized in that: The clamping plate (74) is rotatably connected to the movable rod (73).

9. A circuit breaker, applied to the manual-automatic integrated operating mechanism according to any one of claims 1 to 8, comprising a circuit breaker (1), a switch arranged on the surface of the circuit breaker (1), characterized in that: It also includes a display assembly (9) arranged on the surface of the circuit breaker (1), the display assembly (9) including an external connection hole (91) arranged on the side of the circuit breaker (1), and a display axis (92) arranged inside the external connection hole (91); The control box (2) is mounted on the surface of the circuit breaker (1); the display shaft (92) passes through the external connection hole (91) and is threadedly connected to the switch; the central axis of the display shaft (92) is concentrically arranged with the rotation axis of the switch; and an on / off mark is arranged at one end of the display shaft (92) extending to the opening of the external connection hole (91).

10. The circuit breaker according to claim 9, characterized in that: The surface of the circuit breaker (1) is provided with a mounting assembly (10), the mounting assembly (10) comprising a mounting slot (101) disposed on the front face of the circuit breaker (1), a mounting seat (102) disposed inside the mounting slot (101), and a threaded hole (103) disposed on the surface of the mounting seat (102).

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