A primary and secondary fusion column mounted circuit breaker

Abstract

The present invention relates to the field of circuit breakers, and in particular to a primary-secondary fusion column mounted circuit breaker, including a primary-secondary fusion circuit breaker, wherein the primary-secondary fusion circuit breaker comprises a fixing frame, a bottom bin is installed at the rear of the fixing frame, a bottom column is arranged inside the bottom bin, a bottom groove is opened at the bottom of the bottom column, a tooth column is meshed and connected on one side of the bottom groove, the tooth column is fixedly connected to the middle part of the outer periphery of a rotating shaft, the rotating shaft is rotatably connected to the middle part of the bottom bin, both ends of the outer periphery of the rotating shaft are fixedly connected to connecting gears through pneumatic expansion heads, and a tap part 1 and a tap part 2 are respectively installed at two parts in the bottom bin. The present invention can realize automatic energy storage work through the mutual energy storage of the tap part 1 and the tap part 2. Compared with traditional equipment, the use of a reset motor is eliminated, the line arrangement is reduced, and at the same time, the electric field interference of the reset motor on the circuit breaker is avoided when the reset motor is working, the occurrence rate of abnormalities is reduced, and it is beneficial to circuit safety.

Description

Technical Field

[0001] The present invention relates to the field of circuit breakers, and in particular to a primary-secondary fusion column mounted circuit breaker. Background Art

[0002] The primary and secondary fusion pole-mounted circuit breaker is a pole-mounted circuit breaker device that deeply integrates the primary high-voltage part and the secondary low-voltage control, measurement, protection and other parts. The circuit breaking function in the circuit breaker is realized by stimulating the internal spring energy storage mechanism. Generally, a straight spring is used for energy storage. However, the straight spring has the characteristics of fast release and slow compression when used. In actual use, the opening and closing process speed of the circuit breaker is not the same as the force, which often causes the wear of the contact part inside the circuit breaker to increase. At the same time, the straight spring of the manual circuit breaker usually needs to be manually stored when in use, and the operation is more cumbersome. The electric type often uses a motor-driven spring for reset energy storage. However, the existence of the motor not only increases the cost investment, but the increase in lines will also increase the failure probability of the circuit breaker. At the same time, the electric field when the motor is working may affect the circuit where the circuit breaker is located under special environmental conditions, causing abnormal conditions. After the internal spring is aged after long-term use, it often lacks detection function, which may lead to the spring aging being not discovered in time, resulting in the circuit breaker being unable to completely achieve circuit breaking. Therefore, we propose a primary and secondary fusion pole-mounted circuit breaker to solve the above-mentioned problems. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a primary and secondary fusion pole-mounted circuit breaker.

[0004] In order to achieve the above purpose, the technical solution adopted by the present invention is: a primary and secondary fusion column mounted circuit breaker, including a primary and secondary fusion circuit breaker, the primary and secondary fusion circuit breaker includes a fixed frame, a bottom bin is installed at the rear of the fixed frame, a bottom column is arranged inside the bottom bin, a bottom groove is opened at the bottom of the bottom column, a tooth column is meshed and connected on one side of the bottom groove, the tooth column is fixedly connected to the middle part of the outer periphery of the rotating shaft, the rotating shaft is rotatably connected to the middle part of the bottom bin, and both ends of the outer periphery of the rotating shaft are fixedly connected to the connecting rod through a pneumatic expansion head. Connecting gears, the two parts in the bottom bin are respectively installed with branch connection part one and branch connection part two, the branch connection part one and branch connection part two both include side rods, one side of the side rods is provided with tooth grooves, the tooth grooves are meshed with the connecting gears, the side rods are slidably connected to the ends of the limit plates, the limit plates are fixedly connected to the middle of the two side walls in the bottom bin, the side rods are slidably connected to the middle of the outer periphery of the rotating shaft through spiral guide grooves, the spiral guide grooves are arranged in the middle of the outer periphery of the rotating shaft, and the two side rods are respectively arranged at the upper and lower parts of the two rotating shafts.

[0005] Preferably, a plurality of upper connecting columns are installed on the top of the bottom bin, top contacts are installed on the top of the upper connecting columns, bottom columns are arranged under the top contacts, contacts are installed on the top of the bottom columns, and the contacts are connected to the front terminals of the upper connecting columns.

[0006] Preferably, the bottom of the bottom column passes through the bottom of the upper connecting column, the bottom of the bottom column is arranged inside the bottom bin, and the bottom column is slidably connected to the upper connecting column and the bottom bin.

[0007] Preferably, a plurality of lower connecting columns are installed at the front of the fixing frame, a rotating rod 1 is provided in the middle of the fixing frame, a plurality of middle columns are installed on the top of the rotating rod 1, the tops of the middle columns are all rotatably connected with opening and closing knives, and the opening and closing knives are all rotatably connected to the front terminal of the upper connecting column.

[0008] Preferably, the ends of the opening and closing blades away from the upper connecting column are all engaged with the upper part of the lower joint, the lower joints are all installed on the top of the lower connecting column, and an opening and closing rod is provided on one side of the fixing frame.

[0009] Preferably, one side of the middle part of the opening and closing rod is fixedly connected to a rotating rod, inductors are installed at the front terminals of the upper connecting posts on both sides, upper connectors are installed on the tops of the upper connecting posts, and the tops of the top contacts are fixedly connected to the upper connectors.

[0010] Preferably, the top of the rotating shaft passes through the middle of the shell, the shell is rotatably connected to the rotating shaft, a coil spring is provided at the top of the rotating shaft, the coil spring is provided inside the shell, one end of the coil spring is installed on the outer periphery of the rotating shaft, and the other end of the coil spring is fixedly connected to the inner wall of the shell.

[0011] Preferably, a card block is installed on one side of the top of the shell, a card frame passes through the middle of the card block, and the other side of the card frame passes through the top of the rotating shaft. The card frame is slidably connected to the card block and the rotating shaft, and staggered openings are respectively opened on both sides of the card frame. An electric push rod is fixedly connected to one end of the card frame, and the electric push rod is installed on the top of the bottom bin.

[0012] Preferably, the lower portion of the outer periphery of the rotating shaft is fixedly connected with a driving gear, one side of the driving gear is meshed with a rack 2, the rack 2 is connected with a rack 1 through a connecting frame, a cross plate is installed in the middle of the connecting frame, both sides of the middle of the cross plate pass through a limiting rod, and the limiting rod is slidably connected to the cross plate, one side of the rack 1 is meshed with a driven gear 1, and the other side of the driven gear 1 is meshed with a transmission gear, the side of the transmission gear away from the driven gear 1 is meshed with a driven gear 2, the driven gear 2 is fixedly connected to the lower portion of the outer periphery of the second rotating rod, the upper portion of the outer periphery of the second rotating rod is fixedly connected with an upper gear, one side of the upper gear is meshed with a connecting rack, the side of the connecting rack away from the upper gear is meshed with a gear ring, the gear ring is fixedly connected to the bottom end of the shell, and the connecting rack is slidably connected to both sides of the upper part of the bottom bin.

[0013] Preferably, an induction wheel is fixedly connected to the bottom of the outer periphery of the rotating shaft, a photoelectric sensor is provided on one side of the induction wheel, a sensing head is installed on the end of the photoelectric sensor close to the induction wheel, and evenly distributed sensing patches are provided on the outer periphery of the induction wheel, and one side of the induction wheel corresponds to the sensing head.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] When the present invention connects the primary and secondary fusion circuit breaker through the second tapping part, the rotation of the rotating shaft will drive the driving gear to rotate, and the driving gear can drive the rack 2 to move, thereby driving the rack 1 on the other side to move through the connecting frame, and the rack 1 can drive the driven gear 1 to rotate synchronously. At this time, the transmission gear is in a raised state, and the driven gear 2 and the rotating rod 2 can be driven to rotate through the meshing of the transmission gear. At this time, the electric push rod in the tapping part 1 works synchronously, so that the opening on the bracket is at the block, and the shell in the tapping part 1 is in an infinite state. In the reset state, the upper gear on the top of the rotating rod 2 can use the connecting rack to drive the gear ring to rotate, thereby driving the shell of the tap part 1 to rotate, driving the coil spring inside the shell to tighten, and realizing energy storage for the tap part 1. Similarly, the coil spring in the tap part 2 can be stored through the tap part 1. Through the mutual energy storage of the two, automatic energy storage can be realized. Compared with traditional equipment, the use of the reset motor is eliminated, the line arrangement is reduced, and at the same time, the electric field interference of the circuit breaker when the reset motor is working is avoided, the occurrence rate of abnormalities is reduced, which is beneficial to circuit safety.

[0016] When the second tap part drives the rotating shaft to reverse, the connecting gear at one place of the tap part can drive the side rod at this place to reset. When the current abnormality is encountered again, the tap part one can start working again to disconnect the circuit. Through the mutual energy storage of the tap part one and the tap part two, automatic energy storage can be realized, and the energy storage component is changed from the traditional straight spring to the coil spring. Compared with the straight spring, the coil spring can provide a larger restoring force within a smaller deformation range. At the same time, the force of the coil spring is more stable when released, so that the primary and secondary fusion circuit breaker will be more stable and smooth when opening and closing. Compared with the straight spring, the release is completed instantly, and the compression is relatively gentle. The use of the coil spring can effectively reduce the impact and vibration of the primary and secondary fusion circuit breaker when opening and closing the circuit, and avoid damage to the contacts on the upper part of the bottom column.

[0017] When the coil spring drives the rotating shaft to rotate, the induction wheel installed at the bottom of the rotating shaft will start to rotate synchronously. When the induction wheel rotates, the induction head on the photoelectric sensor can sense the induction head and obtain the rotation distance data of the rotating shaft, so as to obtain the value of the release degree of the coil spring, so as to judge whether the coil spring is still in a normal state. When the value calculated by the photoelectric sensor is less than the standard value, the coil spring is in an aged and loose state, indicating that the coil spring in the tapping part needs to be replaced. Real-time monitoring of the working process of the coil spring can make the breaking performance of the primary and secondary fusion circuit breaker in a monitorable state, avoid the aging of the coil spring, and fail to find it in time, which leads to the failure of the primary and secondary fusion circuit breaker to completely break the circuit, which is beneficial to actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the front three-dimensional structure of a primary and secondary fusion column mounted circuit breaker of the present invention;

[0019] Figure 2 It is a rear perspective structural schematic diagram of a primary-secondary fusion column mounted circuit breaker of the present invention;

[0020] Figure 3 This is a schematic diagram of the internal structure of the bottom compartment of a primary and secondary fusion column mounted circuit breaker of the present invention;

[0021] Figure 4 It is a schematic diagram of the partial structure of the limit rod and the horizontal plate of a primary and secondary fusion column mounted circuit breaker of the present invention;

[0022] Figure 5 It is a schematic diagram of the partial structure of the tooth column of a primary-secondary fusion column-mounted circuit breaker of the present invention;

[0023] Figure 6 It is a partial structural schematic diagram of a photoelectric sensor of a primary-secondary fusion column-mounted circuit breaker of the present invention;

[0024] Figure 7It is a schematic diagram of the local structure of the connecting gear of a primary-secondary fusion column mounted circuit breaker of the present invention;

[0025] Figure 8 It is a partial structural schematic diagram of the upper gear of a primary-secondary fusion column mounted circuit breaker of the present invention;

[0026] Fig. 9 It is a partial structural schematic diagram of a bracket of a primary-secondary fusion column mounted circuit breaker of the present invention;

[0027] Fig.10 The present invention is a schematic diagram of the local structure of a coil spring of a primary-secondary fusion column mounted circuit breaker.

[0028] 1. Primary and secondary fusion circuit breaker; 101. Upper joint; 102. Fixed frame; 103. Upper connecting column; 104. Opening and closing knife; 105. Opening and closing rod; 106. Lower connecting column; 107. Lower joint; 108. Rotating rod 1; 109. Middle column; 110. Inductor; 111. Bottom bin; 112. Bottom column; 113. Bottom groove; 114. Limiting rod; 115. Horizontal plate; 116. Tooth column; 117. Top contact; 118. Coil spring; 119. Rotating shaft; 120. Side rod; 121. Limiting plate; 122. Rotating rod 2; 123, connecting frame; 124, driven gear 2; 125, rotating shaft; 126, tooth groove; 127, driving gear; 128, transmission gear; 129, rack 1; 130, driven gear 1; 131, photoelectric sensor; 132, induction head; 133, induction wheel; 134, rack 2; 135, pneumatic expansion head; 136, connecting gear; 137, electric push rod; 138, housing; 139, gear ring; 140, connecting rack; 141, upper gear; 142, bracket; 143, clamping block. DETAILED DESCRIPTION

[0029] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0030] like Figure 1-Figure 10The primary and secondary fusion column-mounted circuit breaker shown in the figure includes a primary and secondary fusion circuit breaker 1, the primary and secondary fusion circuit breaker 1 includes a fixing frame 102, a bottom bin 111 is installed at the rear of the fixing frame 102, a bottom column 112 is arranged inside the bottom bin 111, a bottom groove 113 is opened at the bottom of the bottom column 112, a tooth column 116 is meshed and connected on one side of the bottom groove 113, the tooth column 116 is fixedly connected to the middle part of the outer periphery of the rotating shaft 119, the rotating shaft 119 is rotatably connected to the middle part of the bottom bin 111, and both ends of the outer periphery of the rotating shaft 119 are fixedly connected to the connecting gear 136 through the pneumatic expansion head 135, and the bottom The two parts of the bin 111 are respectively installed with a branch connection part 1 and a branch connection part 2, and the branch connection part 1 and the branch connection part 2 both include a side rod 120, and a tooth groove 126 is opened on one side of the side rod 120, and the tooth groove 126 is meshed and connected with the connecting gear 136, and the side rod 120 is slidably connected to the end of the limit plate 121, and the limit plate 121 is fixedly connected to the middle of the two side walls of the bottom bin 111, and the side rod 120 is slidably connected to the middle of the outer periphery of the rotating shaft 125 through a spiral guide groove, and the spiral guide groove is set in the middle of the outer periphery of the rotating shaft 125, and the two side rods 120 are respectively set at the upper and lower parts of the two rotating shafts 125;

[0031] Furthermore, in a specific implementation, when an abnormal fluctuation in current is detected, a signal can be transmitted to the electric push rod 137 through the inductor 110, so that the electric push rod 137 starts to work, and the extension and retraction of the electric push rod 137 can drive the bracket 142 in the branch part 1 to move, so that the opening on the bracket 142 will move to the rotating shaft 125, so that the rotating shaft 125 loses its limit. At this time, under the action of the coil spring 118 inside the shell 138, the rotating shaft 125 will start to rotate rapidly, and the spiral guide groove in the middle of the rotating shaft 125 can drive the side rod 120 to move. When the side rod 120 in the branch part 1 descends, the tooth groove 126 on the side rod 120 can drive the meshing connecting gear 136 to rotate. At this time, the pneumatic expansion head 135 at this end is in a working state, and the pneumatic expansion head 135 at the other end is in a working state. The gear column 116 in the middle of the rotating shaft 119 can use the bottom groove 113 to drive each bottom column 112 to descend synchronously, so that the contact at the top of the bottom column 112 can be separated from the top contact 117, cutting off the power flow and realizing the circuit breaking of the primary and secondary fusion circuit breaker 1. When the circuit maintenance is completed, people can start the electric push rod 137 in the tap part 2 through the controller, so that the side rod 120 in the tap part 2 rises. At this time, the pneumatic expansion heads 135 at both ends are in a non-working state. The side rod 120 in the tap part 2 and the connecting gear 136 can drive the gear column 116 to reverse, drive the bottom column 112 to rise, connect the top contact 117 with the contact at the top of the bottom column 112, and realize the connection of the primary and secondary fusion circuit breaker 1.

[0032] Among them, a plurality of upper connecting columns 103 are installed on the top of the bottom bin 111, and top contacts 117 are installed on the top of the upper connecting columns 103. The bottom of the top contact 117 is provided with a bottom column 112, and the top of the bottom column 112 is provided with a contact, and the contact is connected to the front terminal of the upper connecting column 103. The bottom of the bottom column 112 passes through the bottom of the upper connecting column 103, and the bottom of the bottom column 112 is arranged inside the bottom bin 111. The bottom column 112 is slidably connected with the upper connecting column 103 and the bottom bin 111. A plurality of lower connecting columns 106 are installed on the front of the fixing frame 102, and a rotating rod 108 is provided in the middle of the fixing frame 102. A plurality of The middle column 109, the top of the middle column 109 is rotatably connected with the opening and closing knife 104, the opening and closing knife 104 is rotatably connected to the front terminal of the upper connecting column 103, the end of the opening and closing knife 104 away from the upper connecting column 103 is clamped on the upper part of the lower joint 107, the lower joint 107 is installed on the top of the lower connecting column 106, an opening and closing rod 105 is arranged on one side of the fixing frame 102, one side of the middle part of the opening and closing rod 105 is fixedly connected to the rotating rod 108, the front terminals of the upper connecting columns 103 on both sides are installed with inductors 110, the top of the upper connecting column 103 is installed with the upper joint 101, and the top of the top contact 117 is fixedly connected to the upper joint 101;

[0033] Furthermore, in a specific implementation, the primary and secondary fusion circuit breaker 1 can be installed through the fixing frame 102, people can connect the power line through the upper joint 101 and the lower joint 107, and the connection between the center column 109 and the lower connecting column 106 can be achieved through the opening and closing knife 104, and the two phases cooperate to achieve the connection of the circuit. When performing maintenance, people can pull the opening and closing rod 105, and the opening and closing rod 105 can drive the rotating rod 108 to deflect, and the rotating rod 108 can use the center column 109 to drive the opening and closing knife 104 to open and close, so that the circuit can be manually disconnected and maintenance work can be carried out. In daily use, the inductor 110 can be used to detect the power line.

[0034] Among them, the top of the rotating shaft 125 passes through the middle of the shell 138, the shell 138 is rotatably connected to the rotating shaft 125, a coil spring 118 is arranged on the top of the rotating shaft 125, the coil spring 118 is arranged inside the shell 138, one end of the coil spring 118 is installed on the outer periphery of the rotating shaft 125, and the other end of the coil spring 118 is fixedly connected to the inner wall of the shell 138, a clamping block 143 is installed on one side of the top of the shell 138, a clamping frame 142 passes through the middle of the clamping block 143, and the other side of the clamping frame 142 passes through the top of the rotating shaft 125, the clamping frame 142 is slidably connected to the clamping block 143 and the rotating shaft 125, staggered openings are respectively opened on both sides of the clamping frame 142, one end of the clamping frame 142 is fixedly connected to the electric push rod 137, and the electric push rod 137 is installed on the top of the bottom bin 111;

[0035] Furthermore, in a specific implementation, when the second tap part drives the rotating shaft 119 to reverse, the connecting gear 136 at one place of the tap part can drive the side rod 120 thereto to reset. When the current abnormality is encountered again, the first tap part can start working again to disconnect the circuit. Through the mutual energy storage of the first tap part and the second tap part, automatic energy storage can be achieved, and the energy storage component is changed from a traditional straight spring to a coil spring 118. Compared with the straight spring, the coil spring 118 can provide a larger restoring force within a smaller deformation range. At the same time, the force of the coil spring 118 is more stable when released, so that the primary and secondary fusion circuit breaker 1 will be more stable and smooth when opening and closing. Compared with the working mode in which the straight spring is released instantly and compressed relatively slowly, the use of the coil spring 118 can effectively reduce the impact and vibration of the primary and secondary fusion circuit breaker 1 when opening and closing the circuit, and avoid damage to the upper contacts of the bottom column 112.

[0036] Among them, the lower part of the outer periphery of the rotating shaft 125 is fixedly connected with a driving gear 127, one side of the driving gear 127 is meshed with a rack 2 134, the rack 2 134 is connected to a rack 1 129 through a connecting frame 123, a horizontal plate 115 is installed in the middle of the connecting frame 123, both sides of the middle of the horizontal plate 115 are penetrated by limit rods 114, the limit rods 114 are slidably connected to the horizontal plate 115, one side of the rack 129 is meshed with a driven gear 130, and the other side of the driven gear 130 is meshed with a transmission gear 128. The side of the transmission gear 128 away from the driven gear 1 130 is meshed with the driven gear 2 124, the driven gear 2 124 is fixedly connected to the lower part of the outer periphery of the rotating rod 2 122, the upper part of the outer periphery of the rotating rod 2 122 is fixedly connected to the upper gear 141, one side of the upper gear 141 is meshed with the connecting rack 140, the side of the connecting rack 140 away from the upper gear 141 is meshed with the gear ring 139, the gear ring 139 is fixedly connected to the bottom end of the housing 138, and the connecting rack 140 is slidably connected to both sides of the upper part of the bottom bin 111;

[0037] Furthermore, in a specific implementation, during the operation of the second tapping part, the rotation of the rotating shaft 125 will drive the driving gear 127 to rotate, and the driving gear 127 can drive the rack 134 to move, thereby driving the rack 129 on the other side to move through the connecting frame 123, and the rack 129 can drive the driven gear 130 to rotate synchronously. At this time, the transmission gear 128 is in a raised state, and the meshing of the transmission gear 128 can drive the driven gear 124 and the rotating rod 134 to rotate synchronously. 22 is rotated, at this time, the electric push rod 137 in the tap part 1 works synchronously, so that the opening on the bracket 142 is at the clamping block 143, and the shell 138 in the tap part 1 is in an unlimited state. The upper gear 141 on the top of the rotating rod 122 can use the connecting rack 140 to drive the gear ring 139 to rotate, thereby driving the shell 138 of the tap part 1 to rotate, and driving the coil spring 118 inside the shell 138 to tighten, so as to realize the energy storage of the tap part 1, which is beneficial to the next circuit breaking work.

[0038] The bottom of the outer periphery of the rotating shaft 125 is fixedly connected with a sensing wheel 133, one side of the sensing wheel 133 is provided with a photoelectric sensor 131, and one end of the photoelectric sensor 131 close to the sensing wheel 133 is provided with a sensing head 132, and the outer periphery of the sensing wheel 133 is provided with evenly distributed sensing patches, and one side of the sensing wheel 133 corresponds to the sensing head 132;

[0039] Furthermore, in a specific implementation, when the coil spring 118 drives the rotating shaft 125 to rotate, the induction wheel 133 installed at the bottom of the rotating shaft 125 will start to rotate synchronously. When the induction wheel 133 rotates, the induction head 132 on the photoelectric sensor 131 can sense the induction head 132, and obtain the rotation distance data of the rotating shaft 125, so as to obtain the value of the release degree of the coil spring 118, so as to judge whether the coil spring 118 is still in a normal state. When the value calculated by the photoelectric sensor 131 is less than the standard value, the coil spring 118 is in an aged and loose state, indicating that the coil spring 118 in the tapping part needs to be replaced. The real-time monitoring of the working process of the coil spring 118 can make the circuit breaking performance of the primary and secondary fusion circuit breaker 1 in a monitorable state, so as to avoid the aging of the coil spring 118 and the failure to find it in time, which leads to the inability of the primary and secondary fusion circuit breaker 1 to completely realize the circuit breaking, which is beneficial to actual use.

[0040] Working principle:

[0041] In actual use, the primary and secondary fusion circuit breaker 1 can be installed through the fixing frame 102, people can connect the power line through the upper joint 101 and the lower joint 107, and the connection between the center column 109 and the lower connection column 106 can be achieved through the opening and closing knife 104, and the two phases cooperate to achieve the connection of the circuit. When performing maintenance, people can pull the opening and closing rod 105, and the opening and closing rod 105 can drive the rotating rod 108 to deflect, and the rotating rod 108 can use the center column 109 to drive the opening and closing knife 104 to open and close, so as to realize manual disconnection of the circuit and perform maintenance work. In daily use, the power line can be detected through the inductor 110. When abnormal fluctuations in current are detected, the inductor 110 is used to The electric push rod 137 can transmit a signal to start working. The electric push rod 137 can be extended and retracted to drive the bracket 142 in the branch part 1 to move, so that the opening on the bracket 142 will move to the rotating shaft 125, so that the rotating shaft 125 loses its limit. At this time, under the action of the coil spring 118 inside the shell 138, the rotating shaft 125 will start to rotate rapidly. The spiral guide groove in the middle of the rotating shaft 125 can drive the side rod 120 to move. When the side rod 120 in the branch part 1 drops, the tooth groove 126 on the side rod 120 can drive the meshing connecting gear 136 to rotate. At this time, the pneumatic expansion head 135 at this end is in a working state, while the pneumatic expansion head 135 at the other end is in a non-working state. The rotation of the connecting gear 136 can drive the rotating shaft 119 to rotate synchronously, and the tooth column 116 in the middle of the rotating shaft 119 can use the bottom groove 113 to drive each bottom column 112 to descend synchronously, so that the contact on the top of the bottom column 112 can be separated from the top contact 117, cutting off the power flow, and realizing the circuit breaking of the primary and secondary fusion circuit breaker 1. When the circuit maintenance is completed, people can start the electric push rod 137 in the tapping part 2 through the controller, so that the side rod 120 in the tapping part 2 rises. At this time, the pneumatic expansion head 135 at this end is in the working state, while the pneumatic expansion head 135 at the other end is in the non-working state. The side rod 120 in the tapping part 2 and the connecting gear 136 can drive the tooth column 116 to reverse, driving the bottom column 1 12 is raised to connect the top contact 117 with the contact on the top of the bottom column 112 to realize the connection of the primary and secondary fusion circuit breaker 1. During the operation of the tap part 2, the rotation of the rotating shaft 125 will drive the driving gear 127 to rotate, and the driving gear 127 can drive the rack 2 134 to move, thereby driving the rack 1 129 on the other side to move through the connecting frame 123, and the rack 1 129 can drive the driven gear 1 130 to rotate synchronously. At this time, the transmission gear 128 is in a raised state, and the meshing of the transmission gear 128 can drive the driven gear 2 124 and the rotating rod 2 122 to rotate. At this time, the electric push rod 137 in the tap part 1 works synchronously, so that the opening on the bracket 142 is at the block 143.At this time, the housing 138 in the tap part 1 is in an unlimited position state, and the upper gear 141 on the top of the second rotating rod 122 can use the connecting rack 140 to drive the gear ring 139 to rotate, thereby driving the housing 138 of the tap part 1 to rotate, driving the coil spring 118 inside the housing 138 to tighten, and realizing the energy storage of the tap part 1, which is beneficial to the next circuit breaking work. At the same time, when the tap part 2 drives the rotating shaft 119 to reverse, the connecting gear 136 at one end of the tap part can drive the side rod 120 here to reset, and when it is reset again When the current is abnormal, the tap part 1 can start working again to disconnect the circuit. The tap part 1 and the tap part 2 store energy each other, so as to realize automatic energy storage. The energy storage component is changed from the traditional straight spring to the coil spring 118. Compared with the straight spring, the coil spring 118 can provide a larger restoring force within a smaller deformation range. At the same time, the force of the coil spring 118 is more stable when released, so that the primary and secondary fusion circuit breaker 1 is more stable and smooth when opening and closing. Compared with the straight spring, the release is completed instantly, and the compression is relatively flat. In the slow working mode, the coil spring 118 can effectively reduce the impact and vibration of the primary and secondary fusion circuit breaker 1 when opening and closing the circuit, and avoid damage to the upper contact of the bottom column 112. At the same time, when the coil spring 118 drives the rotating shaft 125 to rotate, the induction wheel 133 installed at the bottom of the rotating shaft 125 will start to rotate synchronously. When the induction wheel 133 rotates, the induction head 132 on the photoelectric sensor 131 can sense the induction head 132, and obtain the rotation distance data of the rotating shaft 125, so as to obtain the rotation distance data of the coil spring 118. The release degree value can be used to determine whether the coil spring 118 is still in a normal state. When the value calculated by the photoelectric sensor 131 is less than the standard value, the coil spring 118 is in an aged and loose state, indicating that the coil spring 118 in the tapping part needs to be replaced. The real-time monitoring of the working process of the coil spring 118 can make the circuit breaking performance of the primary and secondary fusion circuit breaker 1 in a monitorable state, avoiding the situation where the coil spring 118 is aged and not discovered in time, resulting in the primary and secondary fusion circuit breaker 1 being unable to completely achieve circuit breaking, which is beneficial to actual use.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A primary-secondary fusion column mounted circuit breaker, comprising a primary-secondary fusion circuit breaker (1), characterized in that: The primary-secondary fusion circuit breaker (1) comprises a fixed frame (102), a bottom bin (111) is installed at the rear of the fixed frame (102), a bottom column (112) is arranged inside the bottom bin (111), a bottom groove (113) is opened at the bottom of the bottom column (112), a tooth column (116) is meshedly connected on one side of the bottom groove (113), the tooth column (116) is fixedly connected to the middle part of the outer periphery of a rotating shaft (119), the rotating shaft (119) is rotatably connected to the middle part of the bottom bin (111), both ends of the outer periphery of the rotating shaft (119) are fixedly connected to connecting gears (136) via pneumatic expansion heads (135), and two parts inside the bottom bin (111) are respectively A first branch connection part and a second branch connection part are installed, and the first branch connection part and the second branch connection part both include a side rod (120), and a tooth groove (126) is opened on one side of the side rod (120), and the tooth groove (126) is meshed with a connecting gear (136). The side rod (120) is slidably connected to the end of a limit plate (121), and the limit plate (121) is fixedly connected to the middle of the inner side walls of the bottom bin (111). The side rod (120) is slidably connected to the middle of the outer periphery of the rotating shaft (125) through a spiral guide groove, and the spiral guide groove is arranged in the middle of the outer periphery of the rotating shaft (125). The two side rods (120) are respectively arranged at the upper and lower parts of the two rotating shafts (125). The lower part of the outer periphery of the rotating shaft (125) is fixedly connected to a driving gear (127), one side of the driving gear (127) is meshedly connected to a rack 2 (134), and the rack 2 (134) is connected to a rack 1 (129) through a connecting frame (123). A horizontal plate (115) is installed in the middle of the connecting frame (123), and both sides of the middle of the horizontal plate (115) are penetrated by limit rods (114), and the limit rods (114) are slidably connected to the horizontal plate (115). One side of the rack 1 (129) is meshedly connected to a driven gear 1 (130), and the other side of the driven gear 1 (130) is meshedly connected to a transmission gear (128). The transmission gear (128) is meshedly connected with a driven gear 2 (124) on one side away from the driven gear 1 (130); the driven gear 2 (124) is fixedly connected to the lower part of the outer periphery of the rotating rod 2 (122); the upper part of the outer periphery of the rotating rod 2 (122) is fixedly connected with an upper gear (141); one side of the upper gear (141) is meshedly connected with a connecting rack (140); the side of the connecting rack (140) away from the upper gear (141) is meshedly connected with a gear ring (139); the gear ring (139) is fixedly connected to the bottom end of the housing (138); and the connecting rack (140) is slidably connected to both sides of the upper part of the bottom bin (111).

2. A primary and secondary fusion column mounted circuit breaker according to claim 1, characterized in that: A plurality of upper connecting columns (103) are installed on the top of the bottom bin (111), top contacts (117) are installed on the top of the upper connecting columns (103), bottom columns (112) are arranged below the top contacts (117), contacts are installed on the top of the bottom columns (112), and the contacts are connected to the front wiring terminals of the upper connecting columns (103).

3. The primary and secondary fusion column mounted circuit breaker according to claim 2, characterized in that: The bottom of each bottom column (112) passes through the bottom of each upper connecting column (103), the bottom of each bottom column (112) is arranged inside the bottom bin (111), and the bottom column (112) is slidably connected to the upper connecting column (103) and the bottom bin (111).

4. The primary and secondary fusion column mounted circuit breaker according to claim 3, characterized in that: A plurality of lower connecting columns (106) are installed at the front of the fixing frame (102), a rotating rod (108) is provided in the middle of the fixing frame (102), a plurality of middle columns (109) are installed at the top of the rotating rod (108), the tops of the middle columns (109) are all rotatably connected to opening and closing knives (104), and the opening and closing knives (104) are all rotatably connected to the front terminal of the upper connecting column (103).

5. The primary and secondary fusion column mounted circuit breaker according to claim 4, characterized in that: One end of the opening and closing knife (104) away from the upper connecting column (103) is clamped on the upper part of the lower joint (107), and the lower joint (107) is installed on the top of the lower connecting column (106). An opening and closing rod (105) is provided on one side of the fixing frame (102).

6. The primary and secondary fusion column mounted circuit breaker according to claim 5, characterized in that: One side of the middle of the opening and closing rod (105) is fixedly connected to the first rotating rod (108), the front wiring terminals of the upper connecting columns (103) on both sides are both equipped with inductors (110), the top of the upper connecting columns (103) is both equipped with an upper connector (101), and the top of the top contact (117) is both fixedly connected to the upper connector (101).

7. The primary and secondary fusion column mounted circuit breaker according to claim 1, characterized in that: The top of the rotating shaft (125) passes through the middle of the shell (138), the shell (138) is rotatably connected to the rotating shaft (125), a coil spring (118) is provided at the top of the rotating shaft (125), the coil spring (118) is provided inside the shell (138), one end of the coil spring (118) is mounted on the outer periphery of the rotating shaft (125), and the other end of the coil spring (118) is fixedly connected to the inner wall of the shell (138).

8. The primary and secondary fusion column mounted circuit breaker according to claim 7, characterized in that: A clamping block (143) is installed on one side of the top of the shell (138), a clamping frame (142) passes through the middle of the clamping block (143), the other side of the clamping frame (142) passes through the top of the rotating shaft (125), the clamping frame (142) is slidably connected to the clamping block (143) and the rotating shaft (125), and staggered openings are respectively opened on both sides of the clamping frame (142), one end of the clamping frame (142) is fixedly connected to an electric push rod (137), and the electric push rod (137) is installed at the top of the bottom bin (111).

9. The primary and secondary fusion column mounted circuit breaker according to claim 1, characterized in that: The bottom of the outer periphery of the rotating shaft (125) is fixedly connected to an induction wheel (133), one side of the induction wheel (133) is provided with a photoelectric sensor (131), one end of the photoelectric sensor (131) close to the induction wheel (133) is installed with an induction head (132), and the outer periphery of the induction wheel (133) is provided with evenly distributed induction patches, and one side of the induction wheel (133) corresponds to the induction head (132).

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