CN211296186U - Movable type rapid arc extinguishing device and rapid arc extinguishing cabinet - Google Patents
Movable type rapid arc extinguishing device and rapid arc extinguishing cabinet Download PDFInfo
- Publication number
- CN211296186U CN211296186U CN202020005864.3U CN202020005864U CN211296186U CN 211296186 U CN211296186 U CN 211296186U CN 202020005864 U CN202020005864 U CN 202020005864U CN 211296186 U CN211296186 U CN 211296186U
- Authority
- CN
- China
- Prior art keywords
- chamber
- phase
- cabinet body
- control
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 239000012212 insulator Substances 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to a mobile rapid arc extinguishing device and a rapid arc extinguishing cabinet, which comprises a cabinet body, wherein a control and protection room, a handcart room, a bus room and a cable room are arranged inside the cabinet body, the control and protection chamber is internally provided with a control and protection device and a wiring terminal strip which are electrically connected, the handcart chamber is internally provided with a movable base, and a three-phase opening and closing operation mechanism and a trigger circuit device which are arranged on the movable base, wherein the control and protection device is electrically connected with the three-phase opening and closing operation mechanism through the trigger circuit device, the bus chamber is internally provided with a three-phase bus, an insulator and an upper contact, one end of the three-phase bus is electrically connected with the insulator and the upper contact, the three-phase opening and closing operation mechanism is characterized in that a lower contact and a grounding cable are arranged in the cable chamber, the lower contact is electrically connected with the grounding cable, and the three-phase opening and closing operation mechanism is also electrically connected with the upper contact and the lower contact. The utility model discloses can realize quick ground connection arc extinguishing.
Description
Technical Field
The utility model relates to an arc control device, concretely relates to portable quick arc control device and quick arc extinguishing cabinet.
Background
In the field of 3.6-40.5 kV switch cabinets, the failure probability of buses in the cabinets is much higher than that of high-voltage and ultrahigh-voltage buses due to the fact that the buses are more in outgoing lines, frequent in operation, equipment insulation aging and mechanical abrasion and poor operating conditions. In case of arc ground fault, the middle and low voltage switch cabinet can cause damage to the personnel and the switchgear for inspection, for example: the pressure can rapidly rise (2.5 bar) in a very short time, so that the interior of the cabinet body explodes; the arc intensity may exceed 2000 times the normal illumination intensity; the instantaneous power can reach 2 ten thousand kilowatts, the internal temperature of the electric arc can reach 20000 ℃, and the metal and the insulating material near the fault point are gasified and combusted. Therefore, it is very necessary to install a fast arc extinguishing device in the middle and low voltage switch cabinet. The traditional protection working mechanism is that after the circuit breaker receives a tripping signal, the circuit breaker is switched off to complete fault removal, the whole process is more than 140ms, and electric arcs are continued in the process; the existing arc protection system is a combination of arc protection and a circuit breaker, although the arc protection device can quickly detect arc faults, the circuit breaker needs to be tripped off to cut off an arc, and the whole arc extinguishing process needs 80 ms. The arc can cause very big destruction to equipment for a long time, and traditional protection and arc light protection system can't effectively protect operation equipment and personal safety, consequently need design an arc control device that can realize quick ground connection arc extinguishing.
Disclosure of Invention
The utility model aims at: the utility model provides a can realize portable quick arc control device and quick arc extinguishing cabinet of quick ground connection arc extinguishing.
In order to achieve the above object, the first technical solution of the present invention is: the utility model provides a portable quick arc control device which innovation point lies in: comprises a movable base, a three-phase opening and closing operation mechanism and a trigger circuit device, wherein the three-phase opening and closing operation mechanism and the trigger circuit device are both arranged on the movable base,
the three-phase opening and closing operation mechanism comprises three groups of A-phase opening and closing operation units, B-phase opening and closing operation units and C-phase opening and closing operation units which are the same in structure, each phase of opening and closing operation unit comprises an insulating pull rod, a repulsion plate, an upper coil, a lower coil, a buffer, a mounting bracket, a solid-sealed polar pole, a linkage shaft and two groups of bistable mechanisms,
the mounting bracket is arranged on the movable base, the lower part of the mounting bracket is provided with a lower coil, a repulsion plate and an upper coil, the repulsion plate is positioned between the upper coil and the lower coil, the repulsion plate is sleeved on the periphery of the linkage shaft, the linkage shaft is movably connected with the bistable mechanism, the buffer is arranged on the movable base and positioned below the lower coil,
the upper portion of installing support is equipped with solid utmost point post that seals, gu seal utmost point post inside and be equipped with the static contact and the moving contact of gapped arrangement, and the outer wall is equipped with last incoming line terminal and incoming line terminal down, and goes up incoming line terminal and static contact electrical connection, and incoming line terminal and moving contact electrical connection down, the one end and the universal driving shaft of insulating pull rod are connected, and the other end is connected with the moving contact, trigger circuit device and lower coil electrical connection.
In the first technical solution, the movable base includes a base frame, a bottom supporting plate and rollers, the bottom supporting plate is disposed on the base frame, and the rollers are disposed on two sides of the base frame respectively.
In order to achieve the above object, the second technical solution of the present invention is: the utility model provides a quick arc extinguishing cabinet that contains portable quick arc control device, includes the cabinet body, and its innovation point lies in: the cabinet body is internally provided with a control and protection chamber, a handcart chamber, a bus chamber and a cable chamber, the handcart chamber and the cable chamber are arranged below the inner cavity of the cabinet body side by side, the control and protection chamber is arranged above the handcart chamber, the bus chamber is arranged above the cable chamber,
the control and protection chamber is internally provided with a control and protection device and a wiring terminal strip which are electrically connected,
the handcart room is internally provided with a movable base, a three-phase opening and closing operation mechanism and a trigger circuit device which are arranged on the movable base, the control and protection device is electrically connected with the input end of the trigger circuit device, the output end of the trigger circuit device is electrically connected with the corresponding access end of the three-phase opening and closing operation mechanism,
the bus chamber is internally provided with a three-phase bus, an insulator and an upper contact, the insulator is arranged on the cabinet body, the insulator is provided with a switching copper bar, one end of the three-phase bus is electrically connected with the upper contact through the switching copper bar on the insulator, the other end is positioned on the outer side of the cabinet body,
the three-phase opening and closing operation mechanism is characterized in that a lower contact and a grounding cable are arranged in the cable chamber, the lower contact is electrically connected with the grounding cable, and the three-phase opening and closing operation mechanism is also electrically connected with the upper contact and the lower contact.
In the second technical scheme, the top of the cabinet body is provided with three pressure relief ports which are separately arranged, a pressure relief pore plate is arranged at each pressure relief port, and the handcart chamber, the bus chamber and the cable chamber are provided with pressure relief channels communicated with the pressure relief ports of the cabinet body.
In the second technical scheme, the cabinet body comprises a cabinet body frame, reinforcing beams and partition plates, the reinforcing beams are arranged on the front side and the rear side of the cabinet body frame, and a control protection chamber, a handcart chamber, a bus chamber and a cable chamber are formed in the cabinet body through partition plates.
In the second technical scheme, the top of the cabinet body is further provided with a hoisting mechanism, the hoisting mechanism is a rectangular hoisting frame surrounded by two transverse hoisting plates and two longitudinal hoisting plates, and hoisting holes are formed in the transverse hoisting plates and the longitudinal hoisting plates.
In the second technical scheme, the handcart room is internally provided with a guide rail, the movable base comprises a base frame, a bottom supporting plate and rollers, the bottom supporting plate is arranged on the base frame, the rollers are respectively arranged on two sides of the base frame, and the rollers are in sliding fit with the guide rail of the handcart room.
In the second technical solution, a control protection device support plate is further arranged in the control protection chamber, the control protection device is fixed on the control protection device support plate, and the control protection device is electrically connected with the wiring terminal strip through a wiring harness.
In the second technical solution, the side wall of the bus bar room is further provided with an insulating wall bushing, and one end of the three-phase bus bar passes through the insulating wall bushing and is electrically connected with the upper contact through the switching copper bar.
In the second technical solution, the three-phase opening and closing operation mechanism is further electrically connected with the upper contact and the lower contact through corresponding connecting copper bars respectively.
The utility model discloses the positive effect who has is: after the movable rapid arc extinguishing device and the rapid arc extinguishing cabinet of the utility model are adopted, because the cabinet body of the rapid arc extinguishing cabinet of the utility model is internally provided with a control and protection room, a handcart room, a bus room and a cable room, the handcart room and the cable room are arranged below the inner cavity of the cabinet body side by side, the control and protection room is arranged above the handcart room, the bus room is arranged above the cable room, the control and protection room is internally provided with a control and protection device and a wiring terminal row, the control and protection device and the wiring terminal row are electrically connected, the handcart room is internally provided with a movable base, a three-phase opening and closing operating mechanism and a trigger loop device which are arranged on the movable base, the control and protection device is electrically connected with the input end of the trigger loop device, the output end of the trigger loop device is electrically connected with the corresponding access end of the three-phase opening and closing operating mechanism, one end of the three-phase bus is electrically connected with the insulator and the upper contact, the other end of the three-phase bus is positioned outside the cabinet body, a lower contact and a grounding cable are arranged in the cable chamber, the lower contact is electrically connected with the grounding cable, and the three-phase opening and closing operation mechanism is also electrically connected with the upper contact and the lower contact;
the utility model discloses detect electric arc ground fault, after sending fault signal to accuse safety device, send combined floodgate ground signal for triggering circuit device by accuse safety device, triggering circuit device charges for the coil down, and the electromagnetic repulsion that coil charging process produced makes the quick upward movement of repulsion dish, and the upward movement of repulsion dish drives the moving contact upward movement to static contact and moving contact make last incoming wire terminal and lower incoming wire terminal switch on, consequently, the three-phase generating line switches on with earth cable, and the ground connection arc extinguishing is accomplished.
On the contrary, system electric arc ground fault gets rid of the back, and the accuse is protected the device and is received the signal that resumes after, sends separating brake ground signal and gives the trigger circuit device, and the trigger circuit device charges for the coil that goes up, and the electromagnetic repulsion that the coil charging process produced makes repulsion dish downstream, and the downstream of repulsion dish drives the moving contact downstream to static contact and moving contact separation make last incoming wire terminal and lower incoming wire terminal disconnection, therefore the system resumes, can normally work, the utility model has the advantages of: the rapid arc extinguishing device is suitable for the field of 3.6-40.5 kV switch cabinets, and can rapidly act to realize rapid three-phase grounding arc extinguishing within 4ms if an arc fault occurs, so that the safety of equipment and workers is ensured; secondly, the rapid arc extinguishing device adopts a movable base, is convenient to overhaul and maintain, replaces the effect of a common isolation switch in a switch cabinet, simplifies the structure and reduces the cost; thirdly, the core operating structure of the rapid arc-extinguishing device is designed based on the electromagnetic repulsion principle, belongs to a non-contact type movement mechanism, and is reliable, safe and rapid in action process; fourthly, three-phase arc extinguishing operating mechanisms of the rapid arc extinguishing device are integrated together, so that the space is saved; fifthly, the structural arrangement of the rapid arc-extinguishing cabinet simplifies the conventional arrangement of the alternating-current switch cabinet, and ensures that the existing cabinet body processing technology can meet the processing requirement of the cabinet body structure.
Drawings
Fig. 1 is a schematic structural view of a mobile rapid arc extinguishing device of the present invention;
FIG. 2 is a schematic left side view of FIG. 1;
FIG. 3 is a schematic sectional view A-A of FIG. 2;
fig. 4 is a schematic diagram of the three-phase opening and closing operation mechanism of the present invention;
fig. 5 is a schematic perspective view of the mobile fast arc-extinguishing device of the present invention;
fig. 6 is a schematic structural view of a rapid arc extinguishing cabinet of the present invention;
FIG. 7 is a schematic right view of FIG. 6 (excluding the side plates);
fig. 8 is a schematic view of a hoisting structure of the cabinet body of the utility model;
reference numbers in the figures: 1-a movable base, 11-a base frame 11, 12-a bottom support plate, 13-a roller, 2-a three-phase opening and closing operation mechanism, 201-a static contact, 202-a movable contact, 203-an upper wiring terminal, 204-a lower wiring terminal, 205-an insulating pull rod, 206-a repulsive force disc, 207-an upper coil, 208-a lower coil, 209-a buffer, 210-a mounting bracket, 211-a solid sealing terminal, 212-a linkage shaft, 213-a bistable mechanism, a 4-cabinet body, 5-a control and protection chamber, 51-a control and protection device, 52-a wiring terminal row, 6-a handcart chamber, 7-bus chamber, 71-three-phase bus 71, 72-insulator, 73-upper contact, 8-cable chamber, 81-lower contact 81, 82-ground cable.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but is not limited thereto.
Example 1
As shown in fig. 1, 2, 3, 4 and 5, a mobile fast arc-extinguishing device comprises a mobile base 1, a three-phase opening and closing operation mechanism 2 and a trigger circuit device 3, wherein the three-phase opening and closing operation mechanism 2 and the trigger circuit device 3 are both arranged on the mobile base 1,
the three-phase opening and closing operation mechanism 2 comprises three groups of A-phase opening and closing operation units, B-phase opening and closing operation units and C-phase opening and closing operation units which are the same in structure, each phase of opening and closing operation unit comprises an insulating pull rod 205, a repulsive force disc 206, an upper coil 207, a lower coil 208, a buffer 209, a mounting bracket 210, a fixed sealing pole 211, a linkage shaft 212 and a bistable mechanism 213, the bistable mechanism 213 provides axial resultant force, two stable states exist and respectively correspond to two opening and closing states,
the mounting bracket 210 is arranged on the mobile base 1, the lower part of the mounting bracket 210 is provided with a lower coil 208, a repulsion disc 206 and an upper coil 207, the repulsion disc 206 is positioned between the upper coil 207 and the lower coil 208, the repulsion disc 206 is sleeved on the periphery of the linkage shaft 212, the linkage shaft 212 is movably connected with the bistable mechanism 213, the buffer 209 is arranged on the mobile base 1 and positioned below the lower coil 208,
the upper portion of the mounting bracket 210 is provided with a solid-sealed pole 211, a fixed contact 201 and a moving contact 202 which are arranged with a gap are arranged in the solid-sealed pole 211, an upper wire inlet terminal 203 and a lower wire inlet terminal 204 are arranged on the outer wall of the solid-sealed pole 211, the upper wire inlet terminal 203 is electrically connected with the fixed contact 201, the lower wire inlet terminal 204 is electrically connected with the moving contact 202, one end of an insulating pull rod 205 is connected with a linkage shaft 212, the other end of the insulating pull rod is connected with the moving contact 202, and the trigger circuit device 3 is electrically connected with a lower coil 208.
As shown in fig. 5, in order to facilitate the overall movement of the fast arc extinguishing device, the movable base 1 includes a base frame 11, a bottom support plate 12 and rollers 13, the bottom support plate 12 is disposed on the base frame 11, and the rollers 13 are disposed on two sides of the base frame 11 respectively.
Example 2
As shown in fig. 1, 2, 3, 4, 5, 6, 7, and 8, a fast arc-extinguishing cabinet including the mobile fast arc-extinguishing device includes a cabinet body 4, a control and protection chamber 5, a handcart chamber 6, a bus chamber 7, and a cable chamber 8 are provided inside the cabinet body 4, the handcart chamber 6 and the cable chamber 8 are arranged below an inner cavity of the cabinet body 4 side by side, the control and protection chamber 5 is provided above the handcart chamber 6, the bus chamber 7 is provided above the cable chamber 8,
a control and protection device 51 and a terminal block 52 are arranged in the control and protection chamber 5, the control and protection device 51 is electrically connected with the terminal block 52,
a movable base 1, a three-phase opening and closing operation mechanism 2 and a trigger circuit device 3 which are arranged on the movable base are arranged in the handcart chamber 6, the control and protection device 51 is electrically connected with the input end of the trigger circuit device 3, the output end of the trigger circuit device 3 is electrically connected with the corresponding access end of the three-phase opening and closing operation mechanism 2,
a three-phase bus 71, an insulator 72 and an upper contact 73 are arranged in the bus chamber 7, the insulator 72 is arranged on the cabinet body 4, a switching copper bar is arranged on the insulator 72, one end of the three-phase bus 71 is electrically connected with the upper contact 73 through the switching copper bar on the insulator 72, the other end is positioned at the outer side of the cabinet body 4, wherein a safe insulation gap is arranged between the three-phase bus 71,
be equipped with lower contact 81 and earth cable 82 in the cable chamber 8, lower contact 81 and earth cable 82 electrical connection, three-phase divide-shut brake operating device 2's last incoming line terminal 203 and last contact 73 electrical connection, lower incoming line terminal 204 and lower contact 81 electrical connection, in order to avoid the copper bar to pass the baffle, reduce the wall bushing, it establishes respectively in two different cavitys to go up contact 73 and lower contact 81.
As shown in fig. 8, in order to prevent emergency measures from being taken during internal pressurization, the top of the cabinet 4 is provided with three separately arranged pressure relief ports, a pressure relief hole plate 9 is arranged at each pressure relief port, and the handcart room 6, the bus room 7 and the cable room 8 are all provided with pressure relief channels 91 communicated with the pressure relief ports of the cabinet 4. If the cabinet body is exploded or fails, the interior of the cabinet body is pressurized, and air flow passes through the pressure relief channel and impacts the pressure relief pore plate to open the pressure relief pore plate outwards to complete pressure relief.
As shown in fig. 6, in order to improve the structural reasonableness of the present invention, the cabinet body 4 includes a cabinet body frame 41, a reinforcing beam 43 and a partition 44, the reinforcing beam 43 is disposed on the front and rear sides of the cabinet body frame 41, and the cabinet body 4 is divided by the partition 44 to form a control and protection room 5, a handcart room 6, a bus room 7 and a cable room 8. And an observation port and a maintenance port are arranged on the outer side wall of the cabinet body 4.
As shown in fig. 8, in order to conveniently hoist the whole body, a hoisting mechanism 42 is further disposed at the top of the cabinet body 4, the hoisting mechanism 42 is a rectangular hoisting frame surrounded by two horizontal hoisting plates 421 and two vertical hoisting plates 422, and hoisting holes are disposed on the horizontal hoisting plates 421 and the vertical hoisting plates 422.
As shown in fig. 4 and 5, in order to facilitate the moving of the base, the base can be quickly mounted in the handcart room, and subsequent maintenance and repair can be performed, a guide rail is arranged in the handcart room 6, the moving base 1 comprises a base frame 11, a bottom supporting plate 12 and rollers 13, the bottom supporting plate 12 is arranged on the base frame 11, the rollers 13 are respectively arranged on two sides of the base frame 11, and the rollers 13 are in sliding fit with the guide rail of the handcart room 6.
As shown in fig. 6, in order to facilitate installation of the control and protection device, a control and protection device support plate 53 is further disposed in the control and protection chamber 5, the control and protection device 53 is fixed on the control and protection device support plate 53, and the control and protection device 51 is electrically connected to the terminal strip 52 through a wire harness.
As shown in fig. 7, in order to protect the three-phase bus, an insulating wall bushing 74 is further disposed on a side wall of the bus bar room 7, and one end of the three-phase bus bar 71 passes through the insulating wall bushing 74 and is electrically connected to the upper contact 73 through a switching copper bar.
As shown in fig. 6, for convenience of wiring, the three-phase opening and closing operation mechanism 2 is further electrically connected to the upper contact 73 and the lower contact 81 through corresponding connecting copper bars, respectively.
The utility model discloses the theory of operation: when an arc ground fault is detected, after a fault signal is sent to the control and protection device 51, the control and protection device 51 sends a closing ground signal to the trigger loop device 3, the trigger loop device 3 charges the lower coil 208, the electromagnetic repulsion force generated in the charging process of the lower coil 208 enables the repulsion plate 206 to rapidly move upwards, the upward movement of the repulsion plate 206 drives the moving contact 202 to move upwards, so that the fixed contact 201 is contacted with the moving contact 202, the upper line inlet terminal 203 is conducted with the lower line inlet terminal 204, therefore, the three-phase bus 71 is conducted with the ground cable 82, and the grounding arc extinction is completed.
On the contrary, after the system arc ground fault is eliminated, the control protection device 51 receives the recovery signal and then sends the opening ground signal to the trigger circuit device 3, the trigger circuit device 3 charges the upper coil 207, the electromagnetic repulsion generated in the charging process of the upper coil 207 enables the repulsion plate 206 to move downwards, the downward movement of the repulsion plate 206 drives the moving contact to move downwards, so that the fixed contact 201 and the moving contact 202 are separated, the upper incoming terminal 203 and the lower incoming terminal 204 are disconnected, and the system is recovered and can normally work.
The utility model has the advantages that: the rapid arc extinguishing device is suitable for the field of 3.6-40.5 kV switch cabinets, and can rapidly act to realize rapid three-phase grounding arc extinguishing within 4ms if an arc fault occurs, so that the safety of equipment and workers is ensured; secondly, the rapid arc extinguishing device adopts a movable base, is convenient to overhaul and maintain, replaces the effect of a common isolation switch in a switch cabinet, simplifies the structure and reduces the cost; thirdly, the core operating structure of the rapid arc-extinguishing device is designed based on the electromagnetic repulsion principle, belongs to a non-contact type movement mechanism, and is reliable, safe and rapid in action process; fourthly, three-phase arc extinguishing operating mechanisms of the rapid arc extinguishing device are integrated together, so that the space is saved; fifthly, the structural arrangement of the rapid arc-extinguishing cabinet simplifies the conventional arrangement of the alternating-current switch cabinet, and ensures that the existing cabinet body processing technology can meet the processing requirement of the cabinet body structure.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a portable quick arc control device which characterized in that: comprises a mobile base (1), a three-phase opening and closing operation mechanism (2) and a trigger loop device (3), wherein the three-phase opening and closing operation mechanism (2) and the trigger loop device (3) are both arranged on the mobile base (1),
the three-phase switching-on and switching-off operating mechanism (2) comprises three groups of A-phase switching-off and switching-on operating units, B-phase switching-off and switching-on operating units and C-phase switching-off and switching-on operating units which are the same in structure, each phase of switching-on and switching-off operating unit comprises an insulating pull rod (205), a repulsive force disc (206), an upper coil (207), a lower coil (208), a buffer (209), a mounting bracket (210), a fixedly-sealed pole (211), a linkage shaft (212) and a bistable mechanism (213),
the mounting bracket (210) is arranged on the movable base (1), the lower part of the mounting bracket (210) is provided with a lower coil (208), a repulsion plate (206) and an upper coil (207), the repulsion plate (206) is positioned between the upper coil (207) and the lower coil (208), the repulsion plate (206) is sleeved on the periphery of a universal driving shaft (212), the universal driving shaft (212) is movably connected with a bistable mechanism (213), a buffer (209) is arranged on the movable base (1) and positioned below the lower coil (208),
the upper portion of installing support (210) is equipped with seals utmost point post (211) admittedly, it is equipped with static contact (201) and moving contact (202) of clearance arrangement to seal utmost point post (211) admittedly, and the outer wall is equipped with last incoming line terminal (203) and lower incoming line terminal (204), and goes up incoming line terminal (203) and static contact (201) electrical connection, lower incoming line terminal (204) and moving contact (202) electrical connection, the one end and the being connected of universal driving shaft (212) of insulating pull rod (205), the other end is connected with moving contact (202), trigger circuit device (3) and lower coil (208) electrical connection.
2. The mobile rapid arc extinguishing apparatus according to claim 1, wherein: the movable base (1) comprises a base frame (11), a bottom supporting plate (12) and rollers (13), wherein the bottom supporting plate (12) is arranged on the base frame (11), and the rollers (13) are respectively arranged on two sides of the base frame (11).
3. A rapid arc extinguishing cabinet comprising a cabinet body (4) according to claim 1, characterized in that: the cabinet body (4) is internally provided with a control protection chamber (5), a handcart chamber (6), a bus chamber (7) and a cable chamber (8), the handcart chamber (6) and the cable chamber (8) are arranged below the inner cavity of the cabinet body (4) side by side, the control protection chamber (5) is arranged above the handcart chamber (6), the bus chamber (7) is arranged above the cable chamber (8),
a control protection device (51) and a wiring terminal strip (52) are arranged in the control protection chamber (5), the control protection device (51) is electrically connected with the wiring terminal strip (52),
a movable base (1), a three-phase opening and closing operation mechanism (2) and a trigger circuit device (3) which are arranged on the movable base are arranged in the handcart chamber (6), the control and protection device (51) is electrically connected with the input end of the trigger circuit device (3), the output end of the trigger circuit device (3) is electrically connected with the corresponding access end of the three-phase opening and closing operation mechanism (2),
a three-phase bus (71), an insulator (72) and an upper contact (73) are arranged in the bus chamber (7), the insulator (72) is arranged on the cabinet body (4), a switching copper bar is arranged on the insulator (72), one end of the three-phase bus (71) is electrically connected with the upper contact (73) through the switching copper bar on the insulator (72), the other end of the three-phase bus is positioned outside the cabinet body (4),
the three-phase opening and closing operation mechanism is characterized in that a lower contact (81) and a grounding cable (82) are arranged in the cable chamber (8), the lower contact (81) is electrically connected with the grounding cable (82), and the three-phase opening and closing operation mechanism (2) is also electrically connected with the upper contact (73) and the lower contact (81).
4. A rapid arc chute according to claim 3 wherein: the top of the cabinet body (4) is equipped with three pressure release mouths of separately arranging, and pressure release mouth department is equipped with pressure release orifice plate (9), handcart room (6), bus-bar room (7) and cable chamber (8) all are equipped with pressure release passageway (91) that are linked together with the pressure release mouth of the cabinet body (4).
5. A rapid arc chute according to claim 3 wherein: the cabinet body (4) comprises a cabinet body frame (41), reinforcing beams (43) and partition plates (44), the reinforcing beams (43) are arranged on the front side and the rear side of the cabinet body frame (41), and a control protection chamber (5), a handcart chamber (6), a bus chamber (7) and a cable chamber (8) are formed in the cabinet body (4) in a separated mode through the partition plates (44).
6. A rapid arc chute according to claim 3 wherein: the top of the cabinet body (4) is also provided with a hoisting mechanism (42), the hoisting mechanism (42) is enclosed into a rectangular hoisting frame by two transverse hoisting plates (421) and two longitudinal hoisting plates (422), and hoisting holes are formed in the transverse hoisting plates (421) and the longitudinal hoisting plates (422).
7. A rapid arc chute according to claim 3 wherein: be equipped with the guide rail in handcart room (6), remove base (1) including base frame (11), bottom sprag board (12) and gyro wheel (13), bottom sprag board (12) are established on base frame (11), and the both sides of base frame (11) are equipped with gyro wheel (13) respectively, the guide rail sliding fit of gyro wheel (13) and handcart room (6).
8. A rapid arc chute according to claim 3 wherein: the control and protection device is characterized in that a control and protection device supporting plate (53) is further arranged in the control and protection chamber (5), the control and protection device (51) is fixed on the control and protection device supporting plate (53), and the control and protection device (51) is electrically connected with the wiring terminal row (52) through a wiring harness.
9. A rapid arc chute according to claim 3 wherein: and an insulating wall bushing (74) is further arranged on the side wall of the bus chamber (7), and one end of the three-phase bus (71) penetrates through the insulating wall bushing (74) and is electrically connected with the upper contact (73) through a switching copper bar.
10. A rapid arc chute according to claim 3 wherein: and the three-phase opening and closing operation mechanism (2) is also electrically connected with the upper contact (73) and the lower contact (81) through corresponding connecting copper bars respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020005864.3U CN211296186U (en) | 2020-01-03 | 2020-01-03 | Movable type rapid arc extinguishing device and rapid arc extinguishing cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020005864.3U CN211296186U (en) | 2020-01-03 | 2020-01-03 | Movable type rapid arc extinguishing device and rapid arc extinguishing cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211296186U true CN211296186U (en) | 2020-08-18 |
Family
ID=72015896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020005864.3U Active CN211296186U (en) | 2020-01-03 | 2020-01-03 | Movable type rapid arc extinguishing device and rapid arc extinguishing cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211296186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994579A (en) * | 2020-01-03 | 2020-04-10 | 常州博瑞电力自动化设备有限公司 | Movable type rapid arc extinguishing device and rapid arc extinguishing cabinet |
-
2020
- 2020-01-03 CN CN202020005864.3U patent/CN211296186U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994579A (en) * | 2020-01-03 | 2020-04-10 | 常州博瑞电力自动化设备有限公司 | Movable type rapid arc extinguishing device and rapid arc extinguishing cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2474991B1 (en) | Switch unit and switchgear | |
| CN114068262B (en) | A low voltage circuit breaker | |
| CN115602480B (en) | Three-position switch and three-position environment-friendly gas combined electrical appliance ring main unit | |
| ITPC990038A1 (en) | SECTIONING AND INTERRUPTION DEVICE, FOR ELECTRICAL CABINS. | |
| CN211879293U (en) | Isolation integrated switch of air insulation circuit breaker | |
| CN211296186U (en) | Movable type rapid arc extinguishing device and rapid arc extinguishing cabinet | |
| CN109687336B (en) | Inflatable high-voltage switch gas tank | |
| CN201061141Y (en) | Armoured withdraw type arc extinguishing switch device | |
| CN115425567A (en) | High-safety SF6 full-insulation compact ring main unit | |
| CN212322897U (en) | Load switch for clean and dry air insulated metal-enclosed switchgear | |
| CN212676174U (en) | Novel direct-current high-speed circuit breaker | |
| CN201298670Y (en) | Enclosed double-bus bar switch device | |
| CN207353122U (en) | Low-voltage circuit breaker | |
| CN110994579A (en) | Movable type rapid arc extinguishing device and rapid arc extinguishing cabinet | |
| CN217934787U (en) | An arc extinguishing chamber for a gas insulated switchgear | |
| CN215009272U (en) | General type quick arc extinguisher that can move open | |
| CN222168243U (en) | A vacuum load isolating switch | |
| CN113284773B (en) | Switch with built-in current-limiting fuse | |
| CN221282023U (en) | High breaking capacity circuit breaker | |
| CN111564785A (en) | Handcart type direct current breaker switch cabinet | |
| CN218384969U (en) | 10kV dry air load switch | |
| CN216389232U (en) | Circuit breaker | |
| CN211266245U (en) | Medium-voltage switch cabinet using main loop for phase change | |
| CN112863953B (en) | Asynchronous double-break contact mechanism and residual current operated circuit breaker | |
| CN222088468U (en) | 35KV is circuit breaker for gas-insulated switchgear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |