CN103996990B - A kind of inflating switch cabinet - Google Patents
A kind of inflating switch cabinet Download PDFInfo
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- CN103996990B CN103996990B CN201410232966.8A CN201410232966A CN103996990B CN 103996990 B CN103996990 B CN 103996990B CN 201410232966 A CN201410232966 A CN 201410232966A CN 103996990 B CN103996990 B CN 103996990B
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Abstract
The present invention discloses a kind of inflating switch cabinet, comprise cabinet, cabinet rear side arranges gas tank, before cabinet, upper lateral part arranges control room, before cabinet, side lower part arranges cable vault, and vacuum circuit breaker is equipped with on gas tank top, and isolating switch is equipped with at gas tank middle part, gas tank bottom arranges major loop, and isolator operating mechanism and vacuum circuit breaker operating mechanism are housed in control room; Isolator operating mechanism is realized combined floodgate, separating brake and the ground connection of disconnecting link by operating the first operating axis and the second operating axis, can electric operating; Described vacuum circuit breaker comprises insulated leg, vacuum bubbles and operation axis, vacuum bubbles is contained in insulated leg in movable contact mode upward, the bottom of insulated leg is fixed with conductive contact and electric-conductor and vacuum bubbles lower end stationary contact Joint, conductive contact matches with disconnecting link to realize and closes a floodgate, and operation axis drives vacuum bubbles upper end movable contact to move up and down combined floodgate and the separating brake of realizing vacuum circuit breaker; Compact conformation of the present invention, reliable in action, is used safety, easy to maintenance.
Description
Technical field
The present invention relates to switch cubicle manufacturing technology field, especially a kind of inflating switch cabinet.
Background technology
Switch cubicle is a kind of electrical equipment, and the Main Function of switch cubicle is to generate electricity in power system, carry out folding, control and protection consumer in the process of transmission of electricity, distribution and electric energy conversion. Whether its action of existing switch cubicle is reliable, dielectric level, whether miniaturization of volume, the size of discharge capacity, maintainability are important technology indexs, the reliability of action and dielectric level directly affect the security performance of switch cubicle, and volume whether miniaturization meeting affects the installation of switch cubicle, floor space and the scope of application, the ability to work of the direct determine switch cabinet of size of discharge capacity, the quality of maintainability directly affects use cost and the service efficiency of switch cubicle.
Disclosing a patent No. on December 25th, 2013 is that ZL201320406833.9, name are called the patent of invention of " the special 35kV of wind-powered electricity generation, SF6 inflating switch cabinet ", it comprises: Splices cable cabinet, loading switch cabinet and vacuum circuit breaker cabinet, aforementioned vacuum circuit breaker cabinet middle part is provided with SF6 gas tank, in aforementioned SF6 gas tank, be connected with from top to bottom breaker, isolating switch, earthed switch in turn, on aforementioned breaker, be connected with prepackage type end, aforementioned earthed switch is connected with the end in cable vault by cable bus; Aforementioned vacuum circuit breaker is provided with photoelectric conversion interface cashier's office in a shop. The usefulness of this switch cubicle is: due to vacuum circuit breaker, isolating switch, earthed switch are placed in SF6 aeration tank, make switch cubicle volume small and exquisite, can directly pass through the integral installation of tower cylinder door, without dismounting, convenient installation, and can pass through fiber optic network, realize telemonitoring and the control of the 35kV system of whole wind energy turbine set. But it does not relate to the problem that solves aerated switch cubicle Reliability of Microprocessor, through-current capability, phase insulation level and maintainability.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of inflating switch cabinet, its compact conformation, and reliable in action, is used safety, easy to maintenance.
For achieving the above object, technical scheme of the present invention is: a kind of inflating switch cabinet, comprise cabinet, cabinet rear side arranges gas tank, and before cabinet, upper lateral part arranges control room, before cabinet, side lower part arranges cable vault, cabinet door is housed before cable vault, and vacuum circuit breaker is equipped with on the top of gas tank, and isolating switch is equipped with at the middle part of gas tank, the bottom of gas tank arranges major loop, and isolator operating mechanism and vacuum circuit breaker operating mechanism are housed in control room;
Described isolating switch comprises frame, three disconnecting links, three static contacts, three grounding contacts, frame and cabinet fix, in frame, be fixed with three insulating supports, three static contacts are fixed in the middle of three insulating supports, one end of three disconnecting links is connected on three static contacts, three grounding contacts are fixed on frame one side and match with three disconnecting links, rotating shaft of frame opposite side pivot joint, affixed three the first connecting levers in rotating shaft, three the first connecting levers are connected to the middle part of three disconnecting links by three insulated tension poles;
Described isolator operating mechanism comprises housing, is articulated with the first operating axis and the second operating axis that are parallel to each other on housing, the first operating axis and described rotating shaft Joint, on the first operating axis, be connected with the first gear and an isolation limiting plate, isolation limiting plate is provided with along the radially-arranged strip through hole of the first operating axis, on strip through hole, be installed with the first alignment pin, the two ends of the first alignment pin are connected with one end of two extension springs respectively, the other end of two extension springs is connected on the first operating axis, on housing, be provided with the first arcuate socket, on the first arcuate socket, be disposed with combined floodgate groove, separating brake groove and ground connection groove, described combined floodgate groove, separating brake groove and ground connection groove match with the first alignment pin being through on isolation limiting plate strip through hole respectively, on the second operating axis, be connected with the second gear and one end Joint with a connecting lever, the connecting lever other end connects one end of a Compress Spring by the second alignment pin, the other end of Compress Spring is connected on housing, is also provided with the second arcuate socket and matches with the second alignment pin on housing, the first gear is evenly equipped with engaging tooth on whole outer peripheral face, the second gear arranges engaging tooth on part outer peripheral face, the disconnecting link of isolating switch is in the time of combined floodgate and gate-dividing state, the engaging tooth of the engaging tooth of the second gear and the first gear does not match, the disconnecting link of isolating switch is in the time of ground state, and the engaging tooth of the second gear just matches with the engaging tooth of the first gear,
Described vacuum circuit breaker comprises the insulated leg of three same structures, three are contained in respectively three vacuum bubbles on insulated leg, an operation axis, described insulated leg comprises a cylindrical tube, the bottom of cylindrical tube endoporus is provided with diaphragm plate, diaphragm plate is embedded with an electric-conductor, diaphragm plate is exposed in part upper surface and the part lower surface of electric-conductor, vacuum bubbles is contained in the endoporus of cylindrical tube in movable contact mode upward, the part upper surface that electric-conductor exposes diaphragm plate utilizes bolt to tighten up mutually with the stationary contact of vacuum bubbles, electric-conductor exposes part lower surface and a conductive contact Joint of diaphragm plate, cylindrical tube lower front side be provided with that conductive contact matches with isolating switch disconnecting link under the breach of stepping down, cylindrical tube top be provided with that vacuum bubbles movable contact is connected with bus on the breach of stepping down, before and after cylindrical tube outer peripheral face middle part, side is extended with projection is installed, three insulated legs utilize the installation projection of front and back, cylindrical tube outer peripheral face middle part side extension to be fixed on cabinet, described operation axis is articulated on cabinet, three vacuum bubbles upper end movable contacts are connected with three second insulated tension pole one end respectively, the other end of three the second insulated tension poles is respectively by three the second connecting lever attended operation main shafts, and described operation axis drives by vacuum circuit breaker operating mechanism,
Described major loop connects the lower end of three static contacts of isolating switch by three buses, the side of described gas tank is fixed with at least three insulators, on each insulator, be fixed with conductive pole, the outer side of conductive pole connects outside bus, and the inner side of conductive pole is connected with the movable contact of vacuum bubbles upper end by soft bus.
Further improve, described connecting lever on isolator operating mechanism and the affixed one end of the second operating axis outer surface are provided with a ground connection spacing preiection, on described isolation limiting plate, be also provided with spacing preiection, the spacing preiection on described isolation limiting plate matches with the ground connection spacing preiection of connecting lever. In the time that described the first operating axis clockwise rotates open position, because limited can not the continuation of ground connection spacing preiection of the spacing preiection touching connecting lever on isolation limiting plate clockwise rotates, therefore operating merely the first operating axis can not be grounded, and prevents isolating switch maloperation.
Further improve, an affixed driving cam also on described the first operating axis on isolator operating mechanism, housing is equipped with a drive plate that can move left and right, on drive plate, be connected with the first interlock plate moving up and down that matches with vacuum circuit breaker operating mechanism, when the first operating axis turns to closing position, driving cam moves to left drive plate, and drive plate moves down the first interlock plate, and the first interlock plate can close a floodgate vacuum circuit breaker operating mechanism; When the first operating axis turns to separating brake or earthing position, driving cam departs from drive plate, and drive plate moves to right and promotes and moves on the first interlock plate under action of reset spring, the first interlock plate locking vacuum circuit breaker operating mechanism;
Before described the first operating axis, be provided with the first baffle plate, the first baffle plate is connected with one end of second interlock plate, the other end of the second interlock plate is connected on vacuum circuit breaker operating mechanism, vacuum circuit breaker is in the time of "on" position, the second interlock plate drives the first baffle plate to block the front end of the first operating axis, vacuum circuit breaker is in the time of gate-dividing state, and the second interlock plate drives the first baffle plate to shift out the front end of the first operating axis;
Before described the second operating axis, be provided with second baffle, when the first operating axis turns to separating brake or earthing position, described driving cam drives second baffle to shift out the front end of the second operating axis; When the first operating axis turns to closing position, described driving cam departs from second baffle, and second baffle resets and blocks the front end of the second operating axis.
Arrange by said mechanism, can realize vacuum circuit breaker and isolating switch interlock function, further improve the security that switch cubicle uses.
Further improve, the interlocking connecting lever of an affixed cabinet door also on described the second operating axis on isolator operating mechanism, when the second operating axis turns to earthing position, described interlocking connecting lever switch cabinet door is carried out release, when the second operating axis turns to ungrounded position, described interlocking connecting lever latch switch cabinet door. Further realize the interlocking of isolating switch and cabinet door, improve the security that switch cubicle uses.
Further improve, the first motor and the second motor are housed on the described housing on isolator operating mechanism, on the first operating axis, be also connected with the first sprocket wheel, the first motor is connected the first sprocket wheel by a drive sprocket with a chain, on the second operating axis, be also connected with the second sprocket wheel, the second motor is also connected the second sprocket wheel by a drive sprocket with a chain;
On housing, be equipped with that switch knob, opening button, ground connection close button, ground connection is divided button and the first microswitch, the second microswitch, the 3rd microswitch and the 4th microswitch;
When matching with the combined floodgate groove on the first arcuate socket, the first alignment pin touches the first microswitch, when the first alignment pin matches with the ground connection groove on the first arcuate socket, touch the second microswitch, when the first alignment pin matches with the separating brake groove on the first arcuate socket, touch the 3rd microswitch by a rocking bar; , touch the 4th microswitch when the bottom of the second alignment pin in described the second arcuate socket the;
Press switch knob at gate-dividing state, switch knob starts the first motor reversal by the first relay, the first motor drives the first operating axis to rotate counterclockwise by drive sprocket, chain, the first sprocket wheel, the first alignment pin is touched the first microswitch at closing position, the first microswitch normally-closed contact disconnects and cuts off the first motor reversal ring current, and the 3rd microswitch departs from the closed forward loop of connecting the first motor of the first alignment pin control normally-closed contact simultaneously;
Press opening button in "on" position, opening button starts the first motor forward by the second relay K 2, the first motor drives the first operating axis to clockwise rotate by drive sprocket, chain, the first sprocket wheel, the first alignment pin is at open position touching the 3rd microswitch, the 3rd microswitch normally-closed contact disconnects and cuts off the first motor forward ring current, and the first microswitch departs from the closed reversion loop of connecting the first motor of the first alignment pin control normally-closed contact simultaneously;
Press ground connection in "on" position and close button, ground connection is closed button and is started the second motor reversal by the 3rd relay, the second motor drives the second operating axis to rotate counterclockwise by drive sprocket, chain, the second sprocket wheel, the first alignment pin is touched the second microswitch at earthing position, the normally-closed contact of the second microswitch disconnects and cuts off the second motor reversal ring current, and the 4th microswitch departs from the closed forward loop of connecting the second motor of the second alignment pin control normally-closed contact simultaneously;
Press ground connection at ground state and divide button, ground connection divides button to pass through the 4th relay to start the second motor forward, the second motor passes through drive sprocket, chain, the second sprocket wheel drives the second operating axis to clockwise rotate, the second alignment pin is at closing position touching the 4th microswitch, the normally-closed contact of the 4th microswitch disconnects and cuts off the second motor forward ring current, the second microswitch departs from the closed reversion loop of connecting the second motor of the first alignment pin control normally-closed contact, the first alignment pin is touched the first microswitch at closing position simultaneously, the normally-closed contact of the first microswitch disconnects and cuts off the first motor reversal loop.
Arrange by above mechanism, compared with the electric operating of simple realization isolating switch.
Further improve, described the 3rd microswitch is by the 5th Control the second motor power again, and the 3rd microswitch normally-closed contact cuts off the second motor power while disconnection; Described the 4th microswitch is with a normally opened contact, and described normally opened contact is serially connected in the electric power loop of the first motor, when described normally opened contact is closed, could connect the first motor power; The 5th microswitch is equipped with on described cabinet door limit, and the 5th microswitch is provided with on the electric power loop that normally opened contact is serially connected in the first motor and the second motor, touches the 5th microswitch and make the normally opened contact closure of the 5th microswitch when described cabinet door is closed. Further to prevent the maloperation of isolating switch.
Further improve, on described soft bus, wireless temperature measuring device is housed, described wireless temperature measuring device comprises temperature sensor, wireless temperature measurement transmitter module, CT electricity taking coil, described temperature sensor is attached on soft bus, temperature sensor connects wireless temperature measurement transmitter module with holding wire, one magnetically soft alloy band passes CT electricity taking coil and is wrapped on the outer peripheral face of soft bus, and CT electricity taking coil connects wireless temperature measurement transmitter module by power line; The soft bus temperature information that wireless temperature measurement transmitter module detects temperature sensor carries out passing to the receiver module on control room with wireless mode after data processing, and described receiver module shows the operating temperature of soft bus by being arranged at display on control room; On the outer peripheral face of soft bus, being buckled with an insulating tape is bundled in described wireless temperature measurement transmitter module, CT electricity taking coil, magnetically soft alloy band on soft bus. Can realize the Real-Time Monitoring of bus operating temperature, further improve switch cubicle safety in utilization.
Further improve, be provided with pressure releasing chamber below described cabinet rear side gas tank, between gas tank and pressure releasing chamber, be provided with explosion-proof apparatus, the air pressure monitoring device of gas tank is also housed on control room. Can prevent that explosion phenomenon from appearring in gas tank, improve switch cubicle security. The transparent windows of isolating switch ground connection and separating brake can be set in the front side of gas tank. The duty of convenient monitoring isolating switch.
Further improve, described disconnecting link comprises two clamping plate, the static contact of isolating switch has two parallel lateral surfaces that are connected with two clamping plate medial surfaces, a pivot joint bolt links together both through two clamping plate and static contact, one end of pivot joint bolt is rotary with locking nut, pivot joint bolt both sides cover has dish spring group to be pressed on the lateral surface of two clamping plate, the medial surface that each clamping plate are connected with static contact is provided with annular groove, ring shape spring touch finger is housed on described annular groove, described spring touch finger is clipped between static contact lateral surface and the annular groove of clamping plate, the both sides of described conductive contact are also fixed with two auxiliary contact, and described auxiliary contact match with the disconnecting link of isolating switch. can guarantee that isolating switch disconnecting link and stationary contact on isolating switch contact with the reliable of conductive contact on vacuum circuit-breaker insulated bearing, improve the through-current capability of isolating switch, the heating of conductive contact contact-making surface on stationary contact and vacuum circuit-breaker insulated bearing on minimizing disconnecting link and isolating switch. increase the service life.
Further improve, described two clamping plate are coated by a silica gel sheath except jaws again, and silica gel sheath is coated pivot joint bolt, locking nut and described dish spring group also; On three buses of described major loop, cover has insulation sleeve; Described cable vault inner cable is connected with the bus on major loop with insulating sleeve by cable connector. By these measures, the dielectric strength between wild phase, is conducive to improve switch cubicle safety in utilization, also can reduce phase spacing, is conducive to the miniaturization of switch cubicle.
The present invention has following beneficial effect:
1, the present invention is arranged at vacuum circuit breaker, isolating switch and major loop in gas tank, vacuum circuit breaker operating mechanism and isolator operating mechanism are arranged to control room, forming modularization connects, assembles compact conformation, small volume, reduce and take up an area, be easy to arrange, vacuum circuit breaker operating mechanism and isolator operating mechanism integral demounting and assembling is simultaneously comparatively simple, improves maintainability, can improve the service efficiency of switch cubicle, reduce power off time;
2, isolator operating mechanism of the present invention adopts twin shaft operation, and the position-limit mechanism of the first operating axis and the second operating axis is set, and guarantees the reliability of isolating switch combined floodgate, separating brake and landing operation, guarantees power supply safety;
3, vacuum bubbles of the present invention and insulated leg are separable, and vacuum bubbles and insulated leg can separately be manufactured and then assemble, and have simplified manufacturing process, have reduced manufacturing cost; And if vacuum bubbles breaks down, vacuum bubbles can be removed to maintenance, or change a vacuum bubbles, maintainability is better, compares and adopts pole effectively to reduce the use cost of vacuum circuit breaker;
4, the present invention further all adopts phase-splitting insulation structure at vacuum circuit breaker, isolating switch and major loop, reduces phase fault and explosion danger, and can further dwindle switch cubicle size;
5, comparatively simple realization electric operating of isolator operating mechanism of the present invention, further arrange again bus wireless temperature measuring device, gas tank air pressure on-line monitor, monitoring vacuum circuit breaker operating mechanism operation axis turned position angular displacement sensor can realize more for convenience remote monitoring, power-assisted intelligent grid;
6, the present invention can arrange insulator by the left and right sides at gas tank, on insulator, fix conductive pole, the outer side of conductive pole connects outside bus, the inner side of conductive pole is connected with the movable contact of vacuum bubbles upper end by soft bus, can conveniently realize the left and right expansion of switch cubicle, meet all kinds of distribution requirements;
7, the present invention contacts with the reliable of conductive contact on vacuum circuit-breaker insulated bearing by guaranteeing isolating switch disconnecting link and stationary contact on isolating switch, improve the through-current capability of isolating switch, on minimizing disconnecting link and isolating switch, the heating of conductive contact contact-making surface on stationary contact and vacuum circuit-breaker insulated bearing, increases the service life;
8, the present invention can realize pressure-fired non-SF 6 gas insulative, low-carbon (LC), environmental protection.
Brief description of the drawings
Fig. 1 is the front view of plate after the hiding cabinet of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is rear perspective view of the present invention;
Fig. 5 is isolating switch stereogram of the present invention;
Fig. 6 is the top view of isolator operating mechanism hidden parts housing of the present invention;
Fig. 7 is that Fig. 6 is in the D-D of "on" position cutaway view;
Fig. 8 is that Fig. 6 is in the D-D of gate-dividing state cutaway view;
Fig. 9 is that Fig. 6 is in the D-D of ground state cutaway view;
Figure 10 is the rearview of Fig. 6;
Figure 11 is the first circuit for controlling motor figure in isolator operating mechanism of the present invention;
Figure 12 is the second circuit for controlling motor figure in isolator operating mechanism of the present invention;
Figure 13 is that isolating switch disconnecting link of the present invention is connected the main enlarged drawing of looking with static contact;
Figure 14 is the E-E cutaway view of Figure 13;
Figure 15 is the F place enlarged drawing of Figure 14
Figure 16 is that insulated leg of the present invention, vacuum bubbles, conductive contact interconnect stereo amplification figure;
Figure 17 is that insulated leg of the present invention, vacuum bubbles, conductive contact interconnect the main enlarged drawing of looking;
Figure 18 is the G-G cutaway view of Figure 17;
Figure 19 is the C-C cutaway view of Fig. 1;
Figure 20 is that isolator operating mechanism of the present invention and vacuum circuit breaker operating mechanism interconnect rearview.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the present invention is described in further detail.
Shown in Fig. 1 to Figure 20, a kind of inflating switch cabinet, comprise cabinet 100, cabinet 100 rear sides arrange gas tank 101, and gas tank 101 surroundings seal with outside formation, below cabinet 100 rear side gas tanks 101, pressure releasing chamber 102 is set, between gas tank 101 and pressure releasing chamber 102, be provided with explosion-proof apparatus 1021, the front upper lateral part of cabinet 100 arranges control room 103, and the front side lower part of cabinet 100 arranges cable vault 104, cabinet door 1041 is equipped with above in cable vault 104, and the air pressure monitoring device 1011 of gas tank 101 is also housed on control room 103.
Vacuum circuit breaker 200 is equipped with on the top of described gas tank 101, isolating switch 300 is equipped with at the middle part of gas tank 101, the bottom of gas tank 101 arranges major loop 400, isolator operating mechanism 3001 and vacuum circuit breaker operating mechanism 2001 are housed in control room 103, the transparent windows 1012 of isolating switch 300 ground connection and separating brake can be set in the front side of gas tank 101;
Described isolating switch 300 comprises frame 10, three disconnecting links 20, three static contacts 30, three grounding contacts 40, frame 10 fixes with cabinet 100, in frame 10, be fixed with three insulating supports 60, three static contacts 30 are fixed in the middle of three insulating supports 60, one end of three disconnecting links 20 is connected on three static contacts 30, three grounding contacts 40 are fixed on frame 10 1 sides and match with three disconnecting links 20, rotating shaft 70 of frame 10 opposite side pivot joint, affixed three the first connecting levers 80 in rotating shaft 70, three the first connecting levers 80 are connected to the middle part of three disconnecting links 20 by three insulated tension poles 90,
Described isolator operating mechanism 3001 comprises housing 1, is articulated with the first operating axis 2 and the second operating axis 3, the first operating axis 2 that are parallel to each other and passes through shaft coupling 701 and rotating shaft 70 Joints on housing 1;
On the first operating axis 2, be connected with the first gear 21 and an isolation limiting plate 22, isolation limiting plate 22 is provided with along the radially-arranged strip through hole 221 of the first operating axis 2, the first alignment pin 4 is housed on strip through hole 221, the two ends of the first alignment pin 4 are connected with one end of two extension springs 41 respectively, the other end of two extension springs 41 is connected on the first operating axis 2, on housing 1, be provided with the first arcuate socket 11, on the first arcuate socket 11, be disposed with combined floodgate groove 111, separating brake groove 112 and ground connection groove 113 match with the first alignment pin 4 being through on isolation limiting plate 22 strip through holes 221,
On the second operating axis 3, be connected with the second gear 31 and one end Joint with a connecting lever 32, connecting lever 32 other ends connect one end of a Compress Spring 6 by the second alignment pin 5, the other end of Compress Spring 6 is connected on housing 1, is provided with the second arcuate socket 12 and matches with the second alignment pin 5 on housing 1;
Connecting lever 32 and the second affixed one end of operating axis 3 outer surface are provided with a ground connection spacing preiection 321, be also provided with spacing preiection 222 and match with the ground connection spacing preiection 321 of connecting lever 32 on described isolation limiting plate 22;
Fig. 7 to Fig. 9 further shows, the first gear 21 is evenly equipped with engaging tooth on whole outer peripheral face, the second gear 31 arranges engaging tooth on part outer peripheral face, the disconnecting link 20 of isolating switch is in the time of combined floodgate and gate-dividing state, the engaging tooth of the engaging tooth of the second gear 31 and the first gear 21 does not match, the disconnecting link 20 of isolating switch is in the time of ground state, and the engaging tooth of the second gear 31 just matches with the engaging tooth of the first gear 21.
An affixed driving cam 7 also on described the first operating axis 2, housing 1 is equipped with a drive plate that can move left and right 8, on drive plate 8, be connected with the first interlock plate 81 moving up and down that matches with vacuum circuit breaker operating mechanism, when the first operating axis 2 turns to closing position, driving cam 7 moves to left drive plate 8, drive plate 8 moves down the first interlock plate 81, and the first interlock plate 81 can close a floodgate vacuum circuit breaker operating mechanism; When the first operating axis 2 turns to separating brake or earthing position, driving cam 7 departs from drive plate 8, and drive plate 8 moves to right and promotes and moves on the first interlock plate 81 under action of reset spring, and the first interlock plate 81 locks vacuum circuit breaker operating mechanism. Could close a floodgate at isolating switch vacuum circuit breaker under "on" position guaranteeing.
Before described the first operating axis 2, be provided with the first baffle plate 9, the first baffle plate 9 is connected with one end of second interlock plate 91, the other end of the second interlock plate 91 is connected on vacuum circuit breaker operating mechanism, vacuum circuit breaker is in the time of "on" position, the second interlock plate 91 drives the first baffle plate 9 to block the front end of the first operating axis 2, vacuum circuit breaker is in the time of gate-dividing state, and the second interlock plate 91 drives the first baffle plate 9 to shift out the front end of the first operating axis 2. To guarantee that vacuum circuit breaker is when the "on" position, isolating switch can not carry out separating brake.
When being above provided with second baffle 16, the first operating axis 2 and turning to separating brake or earthing position of described the second operating axis 3, described driving cam 7 drives second baffle 16 to shift out the front end of the second operating axis 3; When the first operating axis 2 turns to closing position, described driving cam 7 departs from second baffle 16, and second baffle 16 resets and blocks the front end of the second operating axis 3. Make disconnecting link 20 only under separating brake or ground state, could operate the second operating axis 3, further prevent maloperation.
The interlocking connecting lever 13 of an affixed cabinet door 1401 also on described the second operating axis 3, when the second operating axis 3 turns to earthing position, described interlocking connecting lever 13 switch cabinet door 1401 are carried out release, when the second operating axis 3 turns to ungrounded position, and described interlocking connecting lever 13 latch switch cabinet doors 1401; Before described the second operating axis 3, the 3rd baffle plate 34 is set, cabinet door 1401 drives the 3rd baffle plate 34 to block the second operating axis 3 while opening, and cabinet door 1401 makes the 3rd baffle plate 34 shift out the front end of the second operating axis 3 while closing. Guarantee just can open cabinet door 1401 at ground state, when cabinet door 1401 is opened, can not operate the second operating axis 3.
The first motor 14 and the second motor 15 are housed on described housing 1, on the first operating axis 2, be also connected with the first sprocket wheel 23, the first motor 14 is connected the first sprocket wheel 23 with a chain by a drive sprocket, on the second operating axis 3, be also connected with the second sprocket wheel 33, the second motors 15 and be also connected the second sprocket wheel 33 by a drive sprocket with a chain;
On housing 1, be equipped with that switch knob SB1, opening button SB2, ground connection are closed button SB3, ground connection is divided button SB4 and the first microswitch S1, the second microswitch S2, the 3rd microswitch S3 and the 4th microswitch S4;
When matching with the combined floodgate groove 111 on the first arcuate socket 11, the first alignment pin 4 touches the first microswitch S1, when the first alignment pin 4 matches with the ground connection groove 113 on the first arcuate socket 11, touch the second microswitch S2, when the first alignment pin 4 matches with the separating brake groove 112 on the first arcuate socket 11, touch the 3rd microswitch S3 by a rocking bar 42; The second alignment pin 5 is touched the 4th microswitch S4 in the time of the bottom in described the second arcuate socket 12;
Shown in the circuit diagram of Figure 11, Figure 12, press switch knob SB1 at gate-dividing state, switch knob SB1 starts the first motor 14 by the first relay K 1 and reverses, the first motor 14 drives the first operating axis 2 to rotate counterclockwise by drive sprocket, chain, the first sprocket wheel 23, the first alignment pin 4 is touched the first microswitch S1 at closing position and is cut off the first motor 14 ring current that reverses, and the 3rd microswitch S3 departs from the first alignment pin 4 and controls the closed forward loop of connecting the first motor 14 of normally-closed contact simultaneously;
Press opening button SB2 in "on" position, opening button SB2 starts the first motor 14 forwards by the second relay K 2, the first motor 14 drives the first operating axis 2 to clockwise rotate by drive sprocket, chain, the first sprocket wheel 23, the first alignment pin 4 is at open position touching the 3rd microswitch S3, the 3rd microswitch S3 normally-closed contact disconnects and cuts off the first motor 14 forward ring currents, and while the first microswitch S1 departs from the first alignment pin 4 and controls the closed reversion loop of connecting the first motor 14 of normally-closed contact;
Press ground connection in "on" position and close button SB3, ground connection is closed button SB3 and is controlled the second motor 15 by the 3rd relay K 3 and reverse, the second motor 15 drives the second operating axis 3 to rotate counterclockwise by drive sprocket, chain, the second sprocket wheel 33, the first alignment pin 4 is touched the second microswitch S2 at earthing position, the second microswitch S2 normally-closed contact disconnects and cuts off the second motor 15 ring current that reverses, and the 4th microswitch S4 departs from the second alignment pin 5 and controls the closed forward loop of connecting the second motor 15 of normally-closed contact simultaneously;
Press ground connection at ground state and divide button SB4, ground connection divides button SB4 to control the second motor 15 forwards by the 4th relay K 4, the second motor 15 passes through drive sprocket, chain, the second sprocket wheel 33 drives the second operating axis 3 to clockwise rotate, the second alignment pin 5 is at closing position touching the 4th microswitch S4, the normally-closed contact of the 4th microswitch S4 disconnects and cuts off the second motor 15 forward ring currents, the second microswitch S2 departs from the first alignment pin 4 and controls the closed reversion loop of connecting the second motor 15 of normally-closed contact, the first alignment pin 4 is touched the first microswitch S1 at closing position simultaneously, the normally-closed contact of the first microswitch S1 disconnects and cuts off the first motor 14 loop of reversing.
Described the 3rd microswitch S3 controls the second motor 15 power supplys by the 5th relay K 5, and the 3rd microswitch S3 normally-closed contact cuts off the second motor 15 power supplys while disconnection. Guarantee under gate-dividing state, to start the second motor 15, avoid separating brake mistiming ground connection.
Described the 4th microswitch S4 is with a normally opened contact, and described normally opened contact S4 is serially connected in the electric power loop of the first motor 14, and described normally opened contact S4 could connect the power supply of the first motor 14 when closed. Guarantee to prevent maloperation separating brake and combined floodgate in the time of ground state.
The 5th microswitch S5 is equipped with on described cabinet door 1401 limits, the 5th microswitch S5 is provided with on the electric power loop that normally opened contact is serially connected in the first motor 14 and the second motor 15, touches the 5th microswitch S5 and make the normally opened contact closure of the 5th microswitch S5 when described cabinet door 1401 is closed. While guaranteeing to only have cabinet door 1401 to close, could operate the first motor 14 and the second motor 15.
Described driving cam 7 also connects isolating switch duty indicator board 17 by a connecting rod.
Shown in Figure 13 to Figure 15 is further, described disconnecting link 20 comprises two clamping plate 201, 202, static contact 30 has and two clamping plate 201, two parallel lateral surfaces that 202 medial surfaces are connected, a pivot joint bolt 301 is through two clamping plate 201, 202 and static contact 30 both are linked together, one end of pivot joint bolt 301 is rotary with locking nut 302, pivot joint bolt 301 both sides covers have dish spring group 303 to be pressed on two clamping plate 201, on 202 lateral surface, two clamping plate 201, on 202 medial surfaces that are connected with static contact 30, be equipped with annular groove, ring shape spring touch finger 304 is housed on described annular groove, two spring touch fingers 304 are clipped in 30 two lateral surfaces of static contact and two clamping plate 201, between 202 annular groove.
Two clamping plate 201,202 are coated by a silica gel sheath 204 except jaws 203, and silica gel sheath 204 is coated pivot joint bolt 301, locking nut 302 and described dish spring group 303 also.
Static contact 30 is provided with screwed hole 305 away from the end face of one end of two clamping plate 201,202. Conveniently be connected with external bus.
Described insulating support 60 upper periphery faces are provided with a square-shaped flange 601, and four angles of square-shaped flange 601 are provided with installing hole, and convenient and frame 10 fixes by bolt.
Fig. 1, Fig. 2, Figure 16, Figure 17, shown in Figure 18 is further, described vacuum circuit breaker 200 comprises the insulated leg 3a of three same structures, three are contained in respectively three vacuum bubbles 3b on insulated leg 3a, an operation axis 3c, described insulated leg 3a comprises a cylindrical tube 31a, the bottom of cylindrical tube 31a endoporus is provided with diaphragm plate 32a, diaphragm plate 32a is embedded with an electric-conductor 3d, diaphragm plate 32a is exposed in part upper surface and the part lower surface of electric-conductor 3d, vacuum bubbles 3b is contained in the endoporus of cylindrical tube 31a in movable contact mode upward, the part upper surface that electric-conductor 3d exposes diaphragm plate 32a utilizes bolt 3e to tighten up mutually with the stationary contact of vacuum bubbles 3b, part lower surface and a conductive contact 3f that electric-conductor 3d exposes diaphragm plate 32a also utilize bolt Joint, cylindrical tube 31a lower front side be provided with that conductive contact 3f matches with isolating switch disconnecting link 20 under the breach 311a that steps down, breach 312a steps down on side is provided with that vacuum bubbles 3b movable contact is connected with bus before and after cylindrical tube 31a top, before and after cylindrical tube 31a outer peripheral face middle part, side is extended with protruding 33a is installed, the protruding 33a of described installation is provided with two pilot hole 331a, three insulated legs utilize the installation projection 33a of front and back, cylindrical tube 31a outer peripheral face middle part side extension to be fixed on cabinet 100, for further making conductive contact 3f engage tightr with the disconnecting link 20 of isolating switch, firm, the both sides of described conductive contact 3f are also fixed with two auxiliary contact 3g, described auxiliary contact 3g is clipped in isolating switch disconnecting link 20 both sides while cooperation with isolating switch disconnecting link 20.
Described operation axis 3c is articulated on cabinet 100, three vacuum bubbles 3b upper end movable contacts are connected with three second insulated tension pole 3h one end respectively, the other end of three the second insulated tension pole 3h is respectively by three the second connecting lever 3i attended operation main shaft 3c, described operation axis 3c drives by vacuum circuit breaker operating mechanism 2001, described operation axis 3c is also installed with a separating brake connecting lever 3k, separating brake connecting lever 3k one end is connected with one end of a separating brake extension spring 3p, the separating brake extension spring 3p other end is connected on cabinet, the other end of separating brake connecting lever 3k matches with the buffer 3q being contained on cabinet 100, described operation axis 3c is equipped with angular displacement sensor 3r in front portion.
Described major loop 400 connects the lower end of three static contacts 30 of isolating switch by three buses, on three buses of described major loop 400, cover has insulation sleeve 4a; Described cable vault 104 inner cables are connected with the bus on major loop 400 with insulating sleeve 1043 by cable connector 1042.
Two sides of described gas tank 101 are respectively fixed with three insulator 5a, on each insulator 5a, be fixed with conductive pole 51a, the outer side of conductive pole 51a can connect outside bus by bus tie, and the inner side of conductive pole 51a is connected with the movable contact of vacuum bubbles 3b upper end by soft bus 5b.
Fig. 1, Figure 19 further show, on described soft bus 5b, wireless temperature measuring device 5d is housed, described wireless temperature measuring device comprises temperature sensor 51d, wireless temperature measurement transmitter module 52d, CT electricity taking coil 53d, described temperature sensor 51d is attached on soft bus 5b, temperature sensor 51d connects wireless temperature measurement transmitter module 52d with holding wire, one magnetically soft alloy band 54d passes CT electricity taking coil 53d and is wrapped on the outer peripheral face of soft bus 5b, and CT electricity taking coil 53d connects wireless temperature measurement transmitter module 52d by power line; The soft bus 5b temperature information that wireless temperature measurement transmitter module 52d detects temperature sensor 51d carries out passing to the receiver module on control room 103 with wireless mode after data processing, and described receiver module shows the operating temperature of soft bus 5b by being arranged at display on control room 103; On the outer peripheral face of soft bus 5b, being buckled with an insulating tape 55d is bundled in described wireless temperature measurement transmitter module 52d, CT electricity taking coil 53d, magnetically soft alloy band 54d on soft bus 5b.
The course of action of isolating switch of the present invention is as follows:
One, when manual operation state:
Shown in Fig. 7, Fig. 6, disconnecting link 20 is in the time of "on" position, and the second alignment pin 5 that connects connecting lever 32 and Compress Spring 6 matches with the bottom of the second arcuate socket 12 on housing 1, and the second operating axis 3, connecting lever 32 are positioned under Compress Spring 6 compression force; Two extension springs 41 are simultaneously held the first alignment pin 4 and are engaged on the combined floodgate groove 111 on the first arcuate socket 11, isolation limiting plate 22 is positioned on closing position, the first operating axis 2 is also and then positioned, the first operating axis 2 drives rotating shaft 70 to locate, and rotating shaft 70 drives disconnecting link 20 to turn to closing position by the first connecting lever 80 and insulated tension pole 90;
If now isolating switch disconnecting link 20 need to be turned to open position from closing position time, as shown in Figure 8, can utilize handle to entangle the first operating axis 2 and clockwise rotate the first operating axis 2, while arriving open position, two extension springs 41 are held again the first alignment pin 4 and are engaged on the separating brake groove 112 on the first arcuate socket 11, isolation limiting plate 22 is positioned on open position, equally, the first operating axis 2 is also and then positioned, the first operating axis 2 drives rotating shaft 70 to locate, and rotating shaft 70 drives disconnecting link 20 to turn to open position; In addition, due under gate-dividing state, spacing preiection 222 tops on isolation limiting plate 22 are limited to ground connection spacing preiection 321, the first operating axis 2 of connecting lever 32, cannot continue to clockwise rotate again, can not carry out ground connection operation;
If isolating switch disconnecting link 20 need to be turned to earthing position from open position time, as shown in Figure 9, can utilize handle to entangle the second operating axis 3 rotates counterclockwise the second operating axis 3 and passes through connecting lever 32, the second alignment pin 5 is pushed Compress Spring 6, when Compress Spring 6 is crossed after flex point, Compress Spring 6 discharges rapidly and promotes the second operating axis 3, the second gear 31 rotates counterclockwise fast, the second gear 31 just drives the first gear 21 and the first operating axis 2 to clockwise rotate fast, while arriving earthing position, two extension springs 41 are held again the first alignment pin 4 and are engaged on the ground connection groove 113 on the first arcuate socket 11, isolation limiting plate 22 is positioned on earthing position, the first operating axis 2 drives rotating shaft 70 to clockwise rotate rapidly simultaneously, rotating shaft 70 drives disconnecting link 20 to clockwise rotate rapidly and joins on grounding contact 40, isolating switch disconnecting link 20 is just in earthing position,
If isolating switch disconnecting link 20 need to be switched to closing position again from earthing position time, can utilize handle to entangle the second operating axis 3 clockwise rotates the second operating axis 3 and passes through connecting lever 32, the second alignment pin 5 is pushed Compress Spring 6, when Compress Spring 6 is crossed after flex point, Compress Spring 6 discharges rapidly and promotes the second operating axis 3, the second gear 31 clockwise rotates fast, the second gear 31 just drives the first gear 21 and the first operating axis 2 to rotate counterclockwise fast, the first operating axis 2 drives the rotating shaft 70 of tri-station isolating switch to rotate counterclockwise rapidly, rotating shaft 70 drives the disconnecting link 20 of isolating switch to rotate counterclockwise rapidly closing position, now two extension springs 41 are held the first alignment pin 4 and are engaged on the combined floodgate groove 111 on the first arcuate socket 11, isolation limiting plate 22 is positioned on closing position, get back to Fig. 7 "on" position.
Two, when electric operating state:
Cabinet door 1041 is in closed condition, the normally opened contact closure of the 5th microswitch, and the first motor 14 and the second motor 15 can be closed.
As shown in Figure 10, Figure 11, Figure 12, isolating switch disconnecting link 20 is in the time of "on" position, the first alignment pin 4 is touched the first microswitch S1, the normally-closed contact of the first microswitch S1 disconnects, the second alignment pin 5 is touched the 4th microswitch S4, the normally-closed contact of the 4th microswitch S4 disconnects, normally opened contact is connected the first motor 14 can be operated, and while the second microswitch S2 and the 3rd microswitch S3 depart from the first alignment pin 4 and control, normally-closed contact closure;
Now as isolating switch disconnecting link 20 need to be turned to open position from closing position time, press opening button SB2, the second relay K 2 obtains electric startup the first motor 14 forwards, the first motor 14 passes through drive sprocket, chain, the first sprocket wheel 23 drives the first operating axis 2 to clockwise rotate, the first operating axis 2 just can drive disconnecting link 20 to turn to open position by rotating shaft 70, now the first alignment pin 4 departs from the first microswitch S1, the closed reversion loop of connecting the first motor 14 of normally-closed contact of the first microswitch S1, the first alignment pin 4 is touched the 3rd microswitch S3 by rocking bar 42 simultaneously, the normally-closed contact of the 3rd microswitch S3 disconnects the power supply that cuts off the first motor 14, the 3rd microswitch S3 makes the 5th relay K 5 dead electricity cut off the second motor 15 power supplys simultaneously, prevent grounding misoperation,
Now as will be again closed a floodgate, as long as press switch knob SB1, the first relay K 1 obtains electric, starting the first motor 14 reverses, the first motor 14 passes through drive sprocket, chain, the first sprocket wheel 23 drives the first operating axis 2 to rotate counterclockwise, the first operating axis 2 just drives disconnecting link 20 to turn to again closing position by rotating shaft 70, the first alignment pin 4 is touched again the first microswitch S1, the normally-closed contact of the first microswitch S1 disconnects and cuts off the first motor 14 power supplys, the first alignment pin 4 departs from after the 3rd microswitch S3 simultaneously, the 3rd microswitch S3 normally-closed contact closure, by the 5th relay K 5, the second motor 15 can be operated,
Now as isolating switch disconnecting link 20 need to be turned to earthing position from closing position time, press ground connection and close button SB3, the 3rd relay K 3 obtains electric startup the second motor 15 and reverses, the second motor 15 passes through drive sprocket, chain, the second sprocket wheel 33 drives the second operating axis 3 to rotate counterclockwise, the second operating axis 3 is by connecting lever 32, the second alignment pin 5 is pushed Compress Spring 6, when Compress Spring 6 is crossed after flex point, Compress Spring 6 discharges rapidly and promotes the second operating axis 3, the second gear 31 rotates counterclockwise fast, the second gear 31 just drives the first gear 21 and the first operating axis 2 to clockwise rotate fast, the first operating axis 2 drives rotating shaft 70 to clockwise rotate rapidly, rotating shaft 70 drives disconnecting link 20 to clockwise rotate rapidly and joins on grounding contact 40, isolating switch disconnecting link 20 is just in earthing position, now the second alignment pin 5 departs from the 4th microswitch S4, the closed forward loop of connecting the second motor of normally-closed contact of S4, and the normally opened contact of S4 disconnects and cuts off the first motor 14 power supplys simultaneously, prevents maloperation. now the first alignment pin 4 is touched the second microswitch S2, and the second microswitch S2 normally-closed contact disconnects and cuts off the second motor 15 power supplys.
In the time that needs are switched to closing position isolating switch disconnecting link 20 again from earthing position, press ground connection and divide button SB4, the 4th relay K 4 obtains electric startup the second motor 15 forwards, the second motor 15 passes through drive sprocket, chain, the second sprocket wheel 33 drives the second operating axis 3 to clockwise rotate, the second operating axis 3 is by connecting lever 32, the second alignment pin 5 is pushed Compress Spring 6, when Compress Spring 6 is crossed after flex point, Compress Spring 6 discharges rapidly and promotes the second operating axis 3, the second gear 31 clockwise rotates fast, the second gear 31 just drives the first gear 21 and the first operating axis 2 to rotate counterclockwise fast, the first operating axis 2 drives rotating shaft 70 to rotate counterclockwise rapidly, rotating shaft 70 just drives disconnecting link 20 to close a floodgate rapidly. now the second alignment pin 5 is touched the 4th microswitch S4, the normally-closed contact of S4 disconnects cut-out the second motor 15 power supplys, normally opened contact closure can operate the first motor 14, the first alignment pin 4 is touched the first microswitch S1 simultaneously, and the normally-closed contact of the first microswitch S1 disconnects the reversion loop that cuts off the first motor 14. guarantee handling safety.
The course of action of vacuum circuit breaker of the present invention is:
Fig. 1, Fig. 2, shown in Figure 20, the disconnecting link 20 of isolating switch engages rear combined floodgate with the conductive contact 3f on vacuum circuit breaker and auxiliary contact 3g, shown in driving cam 7 drive plate 8 is moved to left, drive plate 8 moves down the first interlock plate 81, the combined floodgate driving shaft that the first interlock plate 81 departs from vacuum circuit breaker operating mechanism 2001 can close a floodgate vacuum circuit breaker 200, combined floodgate drive shaft operation axis 3c rotates, operation axis 3c is by the second connecting lever 3i, the second insulated tension pole 3h moves down the movable contact of vacuum bubbles 3b upper end to realize vacuum circuit breaker 200 to close a floodgate, it is that separating brake is prepared that while operation axis 3c pulls open separating brake extension spring 3p by separating brake connecting lever 3k, after vacuum circuit breaker 200 closes a floodgate, just connect major loop, switch cubicle is in running order.
Vacuum circuit breaker 200 is in the time of "on" position, and the second interlock plate 91 drives the first baffle plate 9 to block the front end of the first operating axis 2, and isolating switch 300 can not separating brake and ground connection.
When vacuum circuit breaker 200 separating brake, remove operation axis 3c constraint, under separating brake extension spring 3p and the effect of vacuum bubbles contact spring, on the second insulated tension pole 3h, move, vacuum circuit breaker 200 is with regard to separating brake.
Vacuum circuit breaker is in the time of gate-dividing state, and the second interlock plate 91 drives the first baffle plate 9 to shift out the front end of the first operating axis 2, and now isolating switch 300 just can operate.
Below be only preferred embodiment of the present invention, the change that those skilled in the art does to be equal to by claim all falls into the protection domain of this case.
Claims (9)
1. an inflating switch cabinet, comprise cabinet, cabinet rear side arranges gas tank, upper lateral part arranges control room before cabinet, and before cabinet, side lower part arranges cable vault, cabinet door is housed before cable vault, it is characterized in that: vacuum circuit breaker is equipped with on the top of gas tank, isolating switch is equipped with at the middle part of gas tank, and the bottom of gas tank arranges major loop, and isolator operating mechanism and vacuum circuit breaker operating mechanism are housed in control room;
Described isolating switch comprises frame, three disconnecting links, three static contacts, three grounding contacts, frame and cabinet fix, in frame, be fixed with three insulating supports, three static contacts are fixed in the middle of three insulating supports, one end of three disconnecting links is connected on three static contacts, three grounding contacts are fixed on frame one side and match with three disconnecting links, rotating shaft of frame opposite side pivot joint, affixed three the first connecting levers in rotating shaft, three the first connecting levers are connected to the middle part of three disconnecting links by three insulated tension poles;
Described isolator operating mechanism comprises housing, is articulated with the first operating axis and the second operating axis that are parallel to each other on housing, the first operating axis and described rotating shaft Joint, on the first operating axis, be connected with the first gear and an isolation limiting plate, isolation limiting plate is provided with along the radially-arranged strip through hole of the first operating axis, on strip through hole, be installed with the first alignment pin, the two ends of the first alignment pin are connected with one end of two extension springs respectively, the other end of two extension springs is connected on the first operating axis, on housing, be provided with the first arcuate socket, on the first arcuate socket, be disposed with combined floodgate groove, separating brake groove and ground connection groove, described combined floodgate groove, separating brake groove and ground connection groove match with the first alignment pin being through on isolation limiting plate strip through hole respectively, on the second operating axis, be connected with the second gear and one end Joint with a connecting lever, the connecting lever other end connects one end of a Compress Spring by the second alignment pin, the other end of Compress Spring is connected on housing, is also provided with the second arcuate socket and matches with the second alignment pin on housing, the first gear is evenly equipped with engaging tooth on whole outer peripheral face, the second gear arranges engaging tooth on part outer peripheral face, the disconnecting link of isolating switch is in the time of combined floodgate and gate-dividing state, the engaging tooth of the engaging tooth of the second gear and the first gear does not match, the disconnecting link of isolating switch is in the time of ground state, and the engaging tooth of the second gear just matches with the engaging tooth of the first gear, described connecting lever on isolator operating mechanism and the affixed one end of the second operating axis outer surface are provided with a ground connection spacing preiection, on described isolation limiting plate, be also provided with spacing preiection, the spacing preiection on described isolation limiting plate matches with the ground connection spacing preiection of connecting lever,
Described vacuum circuit breaker comprises the insulated leg of three same structures, three are contained in respectively three vacuum bubbles on insulated leg, an operation axis, described insulated leg comprises a cylindrical tube, the bottom of cylindrical tube endoporus is provided with diaphragm plate, diaphragm plate is embedded with an electric-conductor, diaphragm plate is exposed in part upper surface and the part lower surface of electric-conductor, vacuum bubbles is contained in the endoporus of cylindrical tube in movable contact mode upward, the part upper surface that electric-conductor exposes diaphragm plate utilizes bolt to tighten up mutually with the stationary contact of vacuum bubbles, electric-conductor exposes part lower surface and a conductive contact Joint of diaphragm plate, cylindrical tube lower front side be provided with that conductive contact matches with isolating switch disconnecting link under the breach of stepping down, cylindrical tube top be provided with that vacuum bubbles movable contact is connected with bus on the breach of stepping down, before and after cylindrical tube outer peripheral face middle part, side is extended with projection is installed, three insulated legs utilize the installation projection of front and back, cylindrical tube outer peripheral face middle part side extension to be fixed on cabinet, described operation axis is articulated on cabinet, three vacuum bubbles upper end movable contacts are connected with three second insulated tension pole one end respectively, the other end of three the second insulated tension poles is respectively by three the second connecting lever attended operation main shafts, and described operation axis drives by vacuum circuit breaker operating mechanism,
Described major loop connects the lower end of three static contacts of isolating switch by three buses, the side of described gas tank is fixed with at least three insulators, on each insulator, be fixed with conductive pole, the outer side of conductive pole connects outside bus, and the inner side of conductive pole is connected with the movable contact of vacuum bubbles upper end by soft bus.
2. a kind of inflating switch cabinet according to claim 1, it is characterized in that: an affixed driving cam also on described the first operating axis on isolator operating mechanism, housing is equipped with a drive plate that can move left and right, on drive plate, be connected with the first interlock plate moving up and down that matches with vacuum circuit breaker operating mechanism, when the first operating axis turns to closing position, driving cam moves to left drive plate, drive plate moves down the first interlock plate, and the first interlock plate can close a floodgate vacuum circuit breaker operating mechanism; When the first operating axis turns to separating brake or earthing position, driving cam departs from drive plate, and drive plate moves to right and promotes and moves on the first interlock plate under action of reset spring, the first interlock plate locking vacuum circuit breaker operating mechanism;
Before described the first operating axis, be provided with the first baffle plate, the first baffle plate is connected with one end of second interlock plate, the other end of the second interlock plate is connected on vacuum circuit breaker operating mechanism, vacuum circuit breaker is in the time of "on" position, the second interlock plate drives the first baffle plate to block the front end of the first operating axis, vacuum circuit breaker is in the time of gate-dividing state, and the second interlock plate drives the first baffle plate to shift out the front end of the first operating axis;
Before described the second operating axis, be provided with second baffle, when the first operating axis turns to separating brake or earthing position, described driving cam drives second baffle to shift out the front end of the second operating axis; When the first operating axis turns to closing position, described driving cam departs from second baffle, and second baffle resets and blocks the front end of the second operating axis.
3. a kind of inflating switch cabinet according to claim 1, it is characterized in that: the interlocking connecting lever of an affixed cabinet door also on described the second operating axis on isolator operating mechanism, when the second operating axis turns to earthing position, described interlocking connecting lever switch cabinet door is carried out release, when the second operating axis turns to ungrounded position, described interlocking connecting lever latch switch cabinet door.
4. a kind of inflating switch cabinet according to claim 1, it is characterized in that: the first motor and the second motor are housed on the described housing on isolator operating mechanism, on the first operating axis, be also connected with the first sprocket wheel, the first motor is connected the first sprocket wheel by a drive sprocket with a chain, on the second operating axis, be also connected with the second sprocket wheel, the second motor is also connected the second sprocket wheel by a drive sprocket with a chain;
On housing, be equipped with that switch knob, opening button, ground connection close button, ground connection is divided button and the first microswitch, the second microswitch, the 3rd microswitch and the 4th microswitch;
When matching with the combined floodgate groove on the first arcuate socket, the first alignment pin touches the first microswitch, when the first alignment pin matches with the ground connection groove on the first arcuate socket, touch the second microswitch, when the first alignment pin matches with the separating brake groove on the first arcuate socket, touch the 3rd microswitch by a rocking bar; , touch the 4th microswitch when the bottom of the second alignment pin in described the second arcuate socket the;
Press switch knob at gate-dividing state, switch knob starts the first motor reversal by the first relay, the first motor drives the first operating axis to rotate counterclockwise by drive sprocket, chain, the first sprocket wheel, the first alignment pin is touched the first microswitch at closing position, the first microswitch normally-closed contact disconnects and cuts off the first motor reversal ring current, and the 3rd microswitch departs from the closed forward loop of connecting the first motor of the first alignment pin control normally-closed contact simultaneously;
Press opening button in "on" position, opening button starts the first motor forward by the second relay K 2, the first motor drives the first operating axis to clockwise rotate by drive sprocket, chain, the first sprocket wheel, the first alignment pin is at open position touching the 3rd microswitch, the 3rd microswitch normally-closed contact disconnects and cuts off the first motor forward ring current, and the first microswitch departs from the closed reversion loop of connecting the first motor of the first alignment pin control normally-closed contact simultaneously;
Press ground connection in "on" position and close button, ground connection is closed button and is started the second motor reversal by the 3rd relay, the second motor drives the second operating axis to rotate counterclockwise by drive sprocket, chain, the second sprocket wheel, the first alignment pin is touched the second microswitch at earthing position, the normally-closed contact of the second microswitch disconnects and cuts off the second motor reversal ring current, and the 4th microswitch departs from the closed forward loop of connecting the second motor of the second alignment pin control normally-closed contact simultaneously;
Press ground connection at ground state and divide button, ground connection divides button to pass through the 4th relay to start the second motor forward, the second motor passes through drive sprocket, chain, the second sprocket wheel drives the second operating axis to clockwise rotate, the second alignment pin is at closing position touching the 4th microswitch, the normally-closed contact of the 4th microswitch disconnects and cuts off the second motor forward ring current, the second microswitch departs from the closed reversion loop of connecting the second motor of the first alignment pin control normally-closed contact, the first alignment pin is touched the first microswitch at closing position simultaneously, the normally-closed contact of the first microswitch disconnects and cuts off the first motor reversal loop.
5. a kind of inflating switch cabinet according to claim 4, is characterized in that: described the 3rd microswitch is by the 5th Control the second motor power, and the 3rd microswitch normally-closed contact cuts off the second motor power while disconnection;
Described the 4th microswitch is with a normally opened contact, and described normally opened contact is serially connected in the electric power loop of the first motor, when described normally opened contact is closed, could connect the first motor power;
The 5th microswitch is equipped with on described cabinet door limit, and the 5th microswitch is provided with on the electric power loop that normally opened contact is serially connected in the first motor and the second motor, touches the 5th microswitch and make the normally opened contact closure of the 5th microswitch when described cabinet door is closed.
6. a kind of inflating switch cabinet according to claim 1, it is characterized in that: on described soft bus, wireless temperature measuring device is housed, described wireless temperature measuring device comprises temperature sensor, wireless temperature measurement transmitter module, CT electricity taking coil, described temperature sensor is attached on soft bus, temperature sensor connects wireless temperature measurement transmitter module with holding wire, one magnetically soft alloy band passes CT electricity taking coil and is wrapped on the outer peripheral face of soft bus, and CT electricity taking coil connects wireless temperature measurement transmitter module by power line; The soft bus temperature information that wireless temperature measurement transmitter module detects temperature sensor carries out passing to the receiver module on control room with wireless mode after data processing, and described receiver module shows the operating temperature of soft bus by being arranged at display on control room; On the outer peripheral face of soft bus, being buckled with an insulating tape is bundled in described wireless temperature measurement transmitter module, CT electricity taking coil, magnetically soft alloy band on soft bus.
7. a kind of inflating switch cabinet according to claim 1, it is characterized in that: below described cabinet rear side gas tank, be provided with pressure releasing chamber, between gas tank and pressure releasing chamber, be provided with explosion-proof apparatus, the air pressure monitoring device that gas tank is also housed on control room, the front side of gas tank is provided with the transparent windows of isolating switch ground connection and separating brake.
8. according to a kind of inflating switch cabinet described in claim 1 to 7 any one, it is characterized in that: described disconnecting link comprises two clamping plate, the static contact of isolating switch has two parallel lateral surfaces that are connected with two clamping plate medial surfaces, a pivot joint bolt links together both through two clamping plate and static contact, one end of pivot joint bolt is rotary with locking nut, pivot joint bolt both sides cover has dish spring group to be pressed on the lateral surface of two clamping plate, the medial surface that each clamping plate are connected with static contact is provided with annular groove, ring shape spring touch finger is housed on described annular groove, described spring touch finger is clipped between static contact lateral surface and the annular groove of clamping plate,
The both sides of described conductive contact are also fixed with two auxiliary contact, and described auxiliary contact match with the disconnecting link of isolating switch.
9. a kind of inflating switch cabinet according to claim 8, is characterized in that: described two clamping plate are coated by a silica gel sheath except jaws, and silica gel sheath is coated pivot joint bolt, locking nut and described dish spring group also; On three buses of described major loop, cover has insulation sleeve; Described cable vault inner cable is connected with the bus on major loop with insulating sleeve by cable connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410232966.8A CN103996990B (en) | 2014-05-29 | 2014-05-29 | A kind of inflating switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410232966.8A CN103996990B (en) | 2014-05-29 | 2014-05-29 | A kind of inflating switch cabinet |
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| CN103996990A CN103996990A (en) | 2014-08-20 |
| CN103996990B true CN103996990B (en) | 2016-05-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004336891A (en) * | 2003-05-08 | 2004-11-25 | Fuji Electric Systems Co Ltd | Sealed gas-insulated switchgear |
| CN101777797A (en) * | 2010-02-05 | 2010-07-14 | 广州德昊电子科技有限公司 | Three-in-one intelligent power distribution cabinet |
| CN203367763U (en) * | 2013-07-09 | 2013-12-25 | 中广核风电有限公司 | Special 35 kV, SF6 inflation switch cabinet for wind power |
| CN203434502U (en) * | 2013-09-04 | 2014-02-12 | 厦门闽光电气实业有限公司 | A switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches |
| CN203871737U (en) * | 2014-05-29 | 2014-10-08 | 厦门兴厦控电气有限公司 | Novel inflation switch cabinet |
-
2014
- 2014-05-29 CN CN201410232966.8A patent/CN103996990B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004336891A (en) * | 2003-05-08 | 2004-11-25 | Fuji Electric Systems Co Ltd | Sealed gas-insulated switchgear |
| CN101777797A (en) * | 2010-02-05 | 2010-07-14 | 广州德昊电子科技有限公司 | Three-in-one intelligent power distribution cabinet |
| CN203367763U (en) * | 2013-07-09 | 2013-12-25 | 中广核风电有限公司 | Special 35 kV, SF6 inflation switch cabinet for wind power |
| CN203434502U (en) * | 2013-09-04 | 2014-02-12 | 厦门闽光电气实业有限公司 | A switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches |
| CN203871737U (en) * | 2014-05-29 | 2014-10-08 | 厦门兴厦控电气有限公司 | Novel inflation switch cabinet |
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| CN103996990A (en) | 2014-08-20 |
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Denomination of invention: Explosion-proof apparatus of inflating switch cabinet Effective date of registration: 20180530 Granted publication date: 20160525 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: XIAMEN XEC ELECTRIC Co.,Ltd. Registration number: 2018990000420 |
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Denomination of invention: An inflatable switch cabinet Effective date of registration: 20220726 Granted publication date: 20160525 Pledgee: Industrial Bank Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN XEC ELECTRIC Co.,Ltd. Registration number: Y2022110000168 |
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