Non-contact opening and closing primary and secondary fusion pole-mounted circuit breaker

Abstract

The invention discloses a non-contact opening and closing primary and secondary fusion pole-mounted circuit breaker, and relates to the field of power production high-voltage switch equipment. The device comprises a device body, a protective outer assembly is arranged at the front end of the device body, a conductive loop is arranged in the protective outer assembly, a rotating shaft control mechanism is fixedly connected to the bottom end of the protective outer assembly, one end of a conductive column is fixedly connected into the front end of the device body, and a positioning cutting board is fixedly connected to the bottom of the other end of the conductive column. The positioning cutting board is fixedly connected to the top end of the conductive upper column, the conductive upper column and the conductive lower column are both slidably connected into the protective outer assembly, and the electrode contact is fixedly connected to the bottom of the conductive lower column. According to the device, two sets of switches are arranged to achieve smoothness of a line, modularization processing is carried out on an electric loop, the two sets of switches are arranged to achieve improvement of safety and universality of a control switch loop, and when the loop is damaged, a module unit can be overhauled and replaced in time.

Description

Technical Field

[0001] The invention relates to the technical field of high-voltage switchgear for electric power production, and in particular to a contactless opening and closing primary and secondary fusion pole-mounted circuit breaker. Background Art

[0002] The primary and secondary integrated pole-mounted circuit breaker refers to the integration of primary equipment (such as the circuit breaker body) and secondary equipment (such as measurement, control, protection and other devices) to form a set of standardized circuit breaker equipment installed on the pole. This integration aims to achieve the integration, intelligence and efficiency of equipment, reduce the connection and coordination problems between equipment, and improve the reliability and stability of the system.

[0003] The existing combination of high-voltage circuit breakers, isolation control switches and sensors usually exposes the isolation control switch to the external environment, and controls the switch only by the connection and disconnection of the blade plate and the blade head. This may easily cause the insulation of the conductive plate and the blade switch to be insufficient or aged, and the mechanical parts to be damp, corroded or frozen in harsh weather conditions. In addition, the primary switch in which the blade head and the blade are connected may not be able to disconnect the circuit immediately due to damage such as aging or jamming, which may easily lead to safety problems when switching. In view of the above situation, the present invention provides a contactless opening and closing primary and secondary fusion pole-mounted circuit breaker to solve the above problems. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a contactless opening and closing primary and secondary fusion pole-mounted circuit breaker, which solves the problem that the existing combination of high-voltage circuit breakers, isolation control switches and sensors usually exposes the isolation control switch to the external environment, and controls the switch only by the connection and disconnection of the blade plate and the blade head, which may easily cause the insulation parts of the conductive plate and the blade switch to be insufficient or aged, and the mechanical parts to be damp, rusted or frozen in harsh weather conditions. In addition, the primary switch in which the blade head and the blade are connected to each other may not be able to disconnect the circuit immediately due to damage such as aging or jamming, which may easily lead to safety problems when switching.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a contactless opening and closing primary and secondary fusion column-mounted circuit breaker, including a device body, a protective outer component is arranged at the front end of the device body, a conductive circuit is arranged in the protective outer component, and a rotating shaft control mechanism is fixedly connected to the bottom end of the protective outer component. The conductive circuit includes a conductive column, a positioning blade, a blade head, a conductive upper column, a conductive lower column and an electrode contact. One end of the conductive column is fixedly connected to the front end of the device body, the positioning blade is fixedly connected to the bottom of the other end of the conductive column, the positioning blade is fixedly connected to the top of the conductive upper column, the conductive upper column and the conductive lower column are both slidably connected in the protective outer component, and the electrode contact is fixedly connected to the bottom of the conductive lower column.

[0006] Preferably, the device body includes a sealed metal box, a sealed pole and a sensor, the sealed metal box is fixedly connected to the bottom of the sealed pole, the sensor is fixedly connected to the front end of the sealed pole, the left and right sides of the front end of the sealed metal box are fixedly connected with long support rods, and thin support rods are fixedly connected between the inner walls of the long support rods.

[0007] Preferably, the protective outer component includes a rainproof ceramic tube, an L-shaped connector, a connecting long tube and a recovery connecting base, one end of the rainproof ceramic tube is fixedly connected in the sensor, the other end of the rainproof ceramic tube is fixedly connected to the L-shaped connector, the bottom end of the L-shaped connector is fixedly connected to the top of the connecting long tube, and the recovery connecting base is slidably connected to the bottom end of the connecting long tube.

[0008] Preferably, an insulating protective layer is fixedly connected inside the rainproof ceramic tube, a slide groove is opened on the inner wall of the L-shaped connecting piece, and a spring is fixedly connected to the outer surface of the recovery connection base, and the other end of the spring is against the outer wall of the bottom end of the connecting long tube.

[0009] Preferably, the conductive circuit further comprises a sliding round block, the sliding round block is fixedly connected between the cutter head and the conductive upper column, and the sliding round block is slidably connected in the sliding groove.

[0010] Preferably, the conductive column is arranged in a rainproof ceramic tube, the cutter head and the conductive upper column are slidably connected in an L-shaped connector, the conductive lower column is fixedly connected in a recovery connection base, and the conductive upper column and the conductive lower column are slidably connected in a connecting long tube.

[0011] Preferably, the pivot control mechanism is rotatably connected in the supporting long rod, and the pivot control mechanism includes a supporting top seat, a hinged sliding block, a rotating push-pull rod, a rotating shaft column and a fixed long column, the supporting top seat is fixedly connected to the recovery connection base, the hinged sliding block is fixedly connected to the bottom of the supporting top seat, the hinged sliding block is slidably connected to the front end of the rotating push-pull rod, the rotating push-pull rod is fixedly connected in the rotating shaft column, the rotating push-pull rod is rotatably connected in the fixed long column, and both ends of the rotating shaft column are rotatably connected in the supporting long rod.

[0012] Preferably, the rotating shaft control mechanism also includes a self-locking part and a control rod, the self-locking part includes a self-locking slide groove rod and a solid iron ball, the solid iron ball is slidably connected in the bottom slide groove of the self-locking slide groove rod, the self-locking slide groove rod is fixedly connected in the rotating shaft column, and the control rod is fixedly connected to one end of the rotating shaft column.

[0013] Preferably, the bottom of the sealed metal box is fixedly connected to a connecting body base, a rectangular column is fixedly connected to the connecting body base, one end of the rectangular column is provided with a groove, a permanent magnet layer is fixedly connected in the groove, the solid iron ball is movably clamped in the groove, and connecting holes are provided at both ends of the connecting body base.

[0014] The present invention discloses a contactless opening and closing primary and secondary fusion pole mounted circuit breaker, which has the following beneficial effects: 1. The device sets two sets of switches, namely, a knife head-knife plate and a conductive upper column-conductive lower column, on the conductive circuit. When the circuit needs to be closed, the conductive lower column is first raised to press against the conductive upper column to connect the circuit, and the conductive upper column is driven to move upward until the knife head is clamped in the knife plate to connect the secondary circuit to achieve smooth circuit. The electrical circuit is modularized and two switches are set to improve the safety and versatility of the control switch circuit. When the circuit is damaged, the module unit can be repaired and replaced in time.

[0015] 2. The device, by installing a layer of protective outer components outside the conductive circuit, enhances the protection of the conductive circuit, improves resistance to severe weather such as rain and snow, and prevents some accidents due to isolation measures for animals and humans. At the same time, since the protective outer components are also modularized, the convenience of replacement and maintenance of the protective outer components is improved.

[0016] 3. The device controls the conductive circuit through the rotating shaft control mechanism at the bottom, and through the cooperation between the self-locking part and the permanent magnet layer on the main base, the device can achieve self-locking through the sliding of the iron ball and the adsorption of the magnet layer after the circuit is connected, and the elastic failure that is prone to occur in spring self-locking will not occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the overall back structure of the present invention; Figure 3 It is a schematic diagram of the overall front detailed structure of the present invention; Figure 4 It is a schematic diagram of the cross-sectional structure of the protective outer component of the present invention; Figure 5It is a schematic diagram of the explosion cross-section structure of the protective outer component and the conductive circuit of the present invention; Figure 6 It is a schematic diagram of the overall structure of the rotating shaft control mechanism of the present invention; Figure 7 It is a schematic diagram of the overall structure of the self-locking member of the present invention; Figure 8 It is a schematic diagram of the cross-sectional structure of the rotating shaft control mechanism of the present invention; Fig. 9 It is a schematic diagram of the overall structure of the main base of the present invention.

[0019] In the figure: 1. Device body; 11. Sealed metal box; 111. Support long rod; 112. Support thin rod; 12. Sealed pole; 13. Sensor; 2. Protective outer assembly; 21. Rainproof ceramic tube; 211. Insulation protection layer; 22. L-shaped connector; 221. Slide; 23. Connecting long tube; 24. Restoration connection base; 241. Spring; 3. Rotating shaft control mechanism; 31. Support top seat; 32. Articulated sliding block; 33. Rotating push-pull rod; 34, rotating shaft column; 35, self-locking part; 351, self-locking slide rod; 352, solid iron ball; 36, fixed long column; 37, control rod; 4, conductive circuit; 41, conductive column; 42, positioning blade; 43, blade head; 44, sliding round block; 45, conductive upper column; 46, conductive lower column; 47, electrode contact; 5, main body base; 51, rectangular column; 52, groove; 53, permanent magnet layer; 54, connecting hole. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] The embodiment of the present application provides a contactless opening and closing primary and secondary integrated pole-mounted circuit breaker, which solves the problem that the existing combination of high-voltage circuit breakers, isolation control switches and sensors usually exposes the isolation control switch to the external environment, and controls the switch only by the connection and disconnection of the blade plate and the blade head, which makes it easy for the insulation of the conductive plate and the blade switch to be insufficient or aged, and the mechanical parts to be damp, rusted or frozen in harsh weather conditions. In addition, the primary switch in which the blade head and the blade are connected is easily damaged due to aging, jamming, etc., and cannot disconnect the circuit immediately, which easily leads to safety problems when switching.

[0022] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] The embodiment of the invention discloses a contactless opening and closing primary and secondary fusion pole-mounted circuit breaker.

[0024] According to the attached Figure 1-9 As shown, it includes a device body 1, a protective outer component 2 is arranged at the front end of the device body 1, a conductive circuit 4 is arranged in the protective outer component 2, a rotating shaft control mechanism 3 is fixedly connected to the bottom end of the protective outer component 2, and the conductive circuit 4 includes a conductive column 41, a positioning blade plate 42, a blade head 43, a sliding round block 44, a conductive upper column 45, a conductive lower column 46 and an electrode contact 47, one end of the conductive column 41 is fixedly connected to the front end of the device body 1, the positioning blade plate 42 is fixedly connected to the bottom of the other end of the conductive column 41, the positioning blade plate 42 is fixedly connected to the top of the conductive upper column 45, and the conductive upper column 45 and the conductive lower column 46 are both slidably connected. It is connected to the protective outer component 2, the electrode contact 47 is fixedly connected to the bottom of the conductive lower column 46, and the sliding round block 44 is fixedly connected between the cutter head 43 and the conductive upper column 45. When the conductive circuit 4 is opened, the conductive lower column 46 at the bottom receives an upward force and slides upward and resists against the conductive upper column 45, driving the conductive upper column 45 to move upward, so that the cutter head 43 at the top of the conductive upper column 45 is snapped into the positioning knife plate 42 to connect the entire circuit. The electrode contact 47 is used to connect the external circuit system. The current flows through the conductive column 41 into the device body 1. It improves the safety of the device through the secondary switch.

[0025] The device body 1 includes a sealed metal box 11, a sealed pole 12 and a sensor 13. The sealed metal box 11 is fixedly connected to the bottom of the sealed pole 12, and the sensor 13 is fixedly connected to the front end of the sealed pole 12. Long support rods 111 are fixedly connected to the left and right sides of the front end of the sealed metal box 11, and thin support rods 112 are fixedly connected between the inner walls of the long support rods 111. The sensor 13 is connected to the circuit breaker body as a secondary device, and the long support rods 111 and the thin support rods 112 serve as supports for the conductive circuit 4 and the protective outer component 2.

[0026] The protective outer component 2 includes a rainproof ceramic tube 21, an L-shaped connector 22, a connecting long tube 23 and a recovery connecting base 24. One end of the rainproof ceramic tube 21 is fixedly connected to the sensor 13, and the other end of the rainproof ceramic tube 21 is fixedly connected to the L-shaped connector 22. The bottom end of the L-shaped connector 22 is fixedly connected to the top of the connecting long tube 23. The recovery connecting base 24 is slidably connected to the bottom end of the connecting long tube 23. The rainproof ceramic tube 21, the L-shaped connector 22, the connecting long tube 23 and the recovery connecting base 24 are all made of insulating materials to protect the internal conductive circuit 4 so that it is no longer affected by the external environment and factors. The bottom of the recovery connecting base 24 is connected to other components in the form of a flange and bolts, and the electrode contact 47 is fixed.

[0027] An insulating protective layer 211 is fixedly connected inside the rainproof ceramic tube 21, a slide groove 221 is opened on the inner wall of the L-shaped connecting piece 22, a spring 241 is fixedly connected to the outer surface of the recovery connection base 24, and the other end of the spring 241 is against the outer wall of the bottom end of the connecting long tube 23, the sliding block 44 is slidably connected in the slide groove 221, the conductive column 41 is arranged in the rainproof ceramic tube 21, the cutter head 43 and the conductive upper column 45 are slidably connected in the L-shaped connecting piece 22, the conductive lower column 46 is fixedly connected in the recovery connection base 24, the conductive upper column 45 and the conductive lower column 46 are slidably connected in the connecting long tube 23, and the spring 241 is used to make the recovery connection base 24 disconnected under the action of elastic force.

[0028] The rotation axis control mechanism 3 is rotatably connected in the supporting long rod 111. The rotation axis control mechanism 3 includes a supporting top seat 31, an articulated sliding block 32, a rotating push-pull rod 33, a rotating shaft column 34 and a fixed long column 36. The supporting top seat 31 is fixedly connected to the recovery connection base 24, the articulated sliding block 32 is fixedly connected to the bottom of the supporting top seat 31, the articulated sliding block 32 is slidably connected to the front end of the rotating push-pull rod 33, the rotating push-pull rod 33 is fixedly connected in the rotating shaft column 34, the rotating push-pull rod 33 is rotatably connected in the fixed long column 36, and both ends of the rotating shaft column 34 are rotatably connected in the supporting long rod 111. The rotation axis control mechanism 3 adopts the principle of a connecting rod mechanism. When in use, the rotating shaft column 34 rotates, driving the rotating push-pull rod 33 to rotate, so that the end of the rotating push-pull rod 33 close to the outer end rotates upward, so that the articulated sliding block 32 slides outward and rotates upward at the same time, and finally the recovery connection base 24 slides upward, thereby driving the movement of the conductive circuit 4.

[0029] The shaft control mechanism 3 also includes a self-locking part 35 and a control rod 37. The self-locking part 35 includes a self-locking slide rod 351 and a solid iron ball 352. The solid iron ball 352 is slidably connected in the bottom slide groove of the self-locking slide rod 351. The self-locking slide rod 351 is fixedly connected in the rotating shaft column 34. The control rod 37 is fixedly connected to one end of the rotating shaft column 34. The self-locking part 35 is used to keep the shaft control mechanism 3 as a whole stationary after the supporting top seat 31 of the shaft control mechanism 3 is lifted upward, so that the circuit is always connected, and the self-locking function is realized by the gravity of the heavy object acting on the two ends of the rotating shaft column 34 respectively. The control rod 37 is used to control the opening and closing of the conductive circuit 4.

[0030] A connecting body base 5 is fixedly connected to the bottom of the sealed metal box 11, and a rectangular column 51 is fixedly connected to the connecting body base 5. A groove 52 is provided at one end of the rectangular column 51, and a permanent magnet layer 53 is fixedly connected in the groove 52. A solid iron ball 352 is movably clamped in the groove 52. Connecting holes 54 are provided at both ends of the connecting body base 5. By arranging the permanent magnet layer 53 in the groove 52, when the conductive circuit 4 is turned on, the solid iron ball 352 is magnetically attracted in the groove 52, so that in addition to the gravity of the solid iron ball 352, there is also a magnetic attraction force to keep the device fixed and self-locking, and the connecting hole 54 is used to connect other components such as the base.

[0031] In summary, compared with the prior art, the present invention has the following beneficial effects: 1. The device sets two sets of switches, namely, a knife head 43-positioning knife plate 42 and a conductive upper column 45-conductive lower column 46, on the conductive circuit 4. When the circuit needs to be closed, the conductive lower column 46 is first raised to press against the conductive upper column 45 to connect the line, and the conductive upper column 45 is driven to move upward until the knife head 43 is clamped in the positioning knife plate 42 to connect the secondary line to achieve smooth line. The electrical circuit is modularized and two switches are set to improve the safety and versatility of the control switch circuit. When the circuit is damaged, the module unit can be repaired and replaced in time.

[0032] 2. The device, by installing a layer of protective outer component 2 outside the conductive loop 4, enhances the protection of the conductive loop 4, improves the resistance to bad weather such as rain and snow, and prevents some accidents due to isolation measures for animals and humans. At the same time, since the protective outer component 2 is also modularized, the convenience of replacement and maintenance of the protective outer component is improved.

[0033] 3. The device controls the conductive loop 4 through the shaft control mechanism 3 at the bottom, and through the cooperation between the self-locking member 35 and the permanent magnet layer 53 on the main base 5, the device can achieve self-locking through the sliding of the solid iron ball 352 and the adsorption with the permanent magnet layer 53 after the loop is connected, and the elastic failure that is easy to occur in the spring self-locking will not occur.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker, characterized in that: It comprises a device body (1), a protective outer component (2) is arranged at the front end of the device body (1), a conductive circuit (4) is arranged inside the protective outer component (2), and a rotating shaft control mechanism (3) is fixedly connected to the bottom end of the protective outer component (2); The conductive circuit (4) comprises a conductive column (41), a positioning blade (42), a blade head (43), a conductive upper column (45), a conductive lower column (46), and an electrode contact (47); One end of the conductive column (41) is fixedly connected to the front end of the device body (1), the positioning blade (42) is fixedly connected to the bottom of the other end of the conductive column (41), the positioning blade (42) is fixedly connected to the top of the conductive upper column (45), the conductive upper column (45) and the conductive lower column (46) are both slidably connected to the protective outer component (2), and the electrode contact (47) is fixedly connected to the bottom of the conductive lower column (46).

2. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker according to claim 1, characterized in that: The device body (1) comprises a sealed metal box (11), a sealed pole (12) and a sensor (13); The sealed metal box (11) is fixedly connected to the bottom of the sealed pole (12), the sensor (13) is fixedly connected to the front end of the sealed pole (12), the left and right sides of the front end of the sealed metal box (11) are fixedly connected to long support rods (111), and thin support rods (112) are fixedly connected between the inner walls of the long support rods (111).

3. The contactless opening and closing primary and secondary fusion column mounted circuit breaker according to claim 1 is characterized in that: The protective outer component (2) comprises a rainproof ceramic tube (21), an L-shaped connecting piece (22), a long connecting tube (23) and a recovery connecting base (24); One end of the rainproof ceramic tube (21) is fixedly connected to the sensor (13), the other end of the rainproof ceramic tube (21) is fixedly connected to the L-shaped connecting piece (22), the bottom end of the L-shaped connecting piece (22) is fixedly connected to the top end of the connecting long tube (23), and the recovery connecting base (24) is slidably connected to the bottom end of the connecting long tube (23).

4. A contactless opening and closing primary and secondary fusion column mounted circuit breaker according to claim 3, characterized in that: An insulating protective layer (211) is fixedly connected inside the rainproof ceramic tube (21), a sliding groove (221) is provided on the inner wall of the L-shaped connecting piece (22), and a spring (241) is fixedly connected to the outer surface of the recovery connection base (24), and the other end of the spring (241) abuts against the outer wall of the bottom end of the connecting long tube (23).

5. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker according to claim 4, characterized in that: The conductive loop (4) further comprises a sliding round block (44), wherein the sliding round block (44) is fixedly connected between the cutter head (43) and the conductive upper column (45), and the sliding round block (44) is slidably connected in the sliding groove (221).

6. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker according to claim 5, characterized in that: The conductive column (41) is arranged in the rainproof ceramic tube (21), the cutter head (43) and the conductive upper column (45) are slidably connected in the L-shaped connecting piece (22), the conductive lower column (46) is fixedly connected in the recovery connection base (24), and the conductive upper column (45) and the conductive lower column (46) are slidably connected in the connecting long tube (23).

7. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker according to claim 2, characterized in that: The rotating shaft control mechanism (3) is rotatably connected in the supporting long rod (111), and the rotating shaft control mechanism (3) comprises a supporting top seat (31), a hinged sliding block (32), a rotating push-pull rod (33), a rotating shaft column (34) and a fixed long column (36); The support top seat (31) is fixedly connected to the recovery connection base (24), the hinged sliding block (32) is fixedly connected to the bottom of the support top seat (31), the hinged sliding block (32) is slidably connected to the front end of the rotating push-pull rod (33), the rotating push-pull rod (33) is fixedly connected in the rotating shaft column (34), the rotating push-pull rod (33) is rotatably connected in the fixed long column (36), and both ends of the rotating shaft column (34) are rotatably connected in the support long rod (111).

8. The contactless opening and closing primary and secondary fusion pole mounted circuit breaker according to claim 7 is characterized in that: The rotating shaft control mechanism (3) further comprises a self-locking member (35) and a control rod (37), wherein the self-locking member (35) comprises a self-locking sliding groove rod (351) and a solid iron ball (352), wherein the solid iron ball (352) is slidably connected in a bottom sliding groove of the self-locking sliding groove rod (351), wherein the self-locking sliding groove rod (351) is fixedly connected in a rotating shaft column (34), and the control rod (37) is fixedly connected to one end of the rotating shaft column (34).

9. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker according to claim 8, characterized in that: The bottom of the sealed metal box (11) is fixedly connected to a connecting body base (5), a rectangular column (51) is fixedly connected to the connecting body base (5), a groove (52) is formed at one end of the rectangular column (51), and a permanent magnet layer (53) is fixedly connected in the groove (52).

10. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker according to claim 9, characterized in that: The solid iron ball (352) is movably engaged in the groove (52), and connecting holes (54) are formed at both ends of the connecting body base (5).

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