CN111785564B - Novel protection type permanent magnetism vacuum circuit breaker - Google Patents
Novel protection type permanent magnetism vacuum circuit breaker Download PDFInfo
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- CN111785564B CN111785564B CN202010657458.XA CN202010657458A CN111785564B CN 111785564 B CN111785564 B CN 111785564B CN 202010657458 A CN202010657458 A CN 202010657458A CN 111785564 B CN111785564 B CN 111785564B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/66223—Details relating to the sealing of vacuum switch housings
Abstract
The invention discloses a novel protective permanent magnet vacuum circuit breaker, which comprises a sealing protective box, wherein a driving pull rod mechanism is arranged at the bottom of the inner surface of the sealing protective box, a permanent magnet fixing base is arranged on the side surface of the driving pull rod mechanism, a guide sliding groove is formed in the side wall of the inner surface of the sealing protective box, a transmission pull rod is inserted into the guide sliding groove, a transition connecting rod is fixedly connected to the upper surface of the transmission pull rod, a clamping sliding groove is formed in the side surface of the transmission pull rod, a manual control switch is connected in the clamping sliding groove in a sliding mode, a poking rod is fixedly connected to the side surface of the transmission pull rod, and a restarting protective mechanism is fixedly connected to the upper surface of the sealing protective box. This novel protection type permanent magnetism vacuum circuit breaker, through restarting protection mechanism's setting, at the process of using, the in-process of circular telegram once more after transshipping can effectually protect the circuit to remind the staff circuit not to restore the completion through unable switching normal circuit, greatly increased protectiveness and security.
Description
Technical Field
The invention relates to the technical field of vacuum circuit breakers, in particular to a novel protective permanent magnet vacuum circuit breaker.
Background
Vacuum circuit breakers are named for their arc-extinguishing medium and the insulating medium in the contact gap after arc extinction being high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is popularized to be applied to a power distribution network. The vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment, has the rated current of 5000A and the breaking current of 50kA, develops to the voltage of 35kV grade, and is in the starting stage of development before 80 years, so that the technical standard can not be formulated until 1985.
Compared with the traditional spring mechanism and the electromagnetic mechanism used for the breaker, the permanent magnetic mechanism adopts a brand new working principle and structure, has few main moving parts during working, does not need a mechanism disengaging and locking device, has few fault sources and higher reliability, thereby becoming a focus of attention of switch manufacturing enterprises, power grid enterprises and high and new and heavy industry enterprises and having very wide market prospect. The defects of the traditional spring mechanism and the electromagnetic mechanism are overcome, the permanent magnet is applied to the operating mechanism, the opening and closing positions of the vacuum circuit breaker are kept through the permanent magnet, and the traditional locking device is replaced.
But current permanent magnetism vacuum circuit breaker is after the outage protection, still can carry out the operation that resets and continue work under the condition of not maintaining, with causing bigger destruction to the circuit easily to threaten maintenance personal safety, there is the potential safety hazard, can not effectually detect when local contact failure appears in the circuit and leads to the resistance to rise by a wide margin.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a novel protective permanent magnet vacuum circuit breaker which has the advantages of being capable of protecting a circuit and the like, and solves the problems.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a novel protection type permanent magnet vacuum circuit breaker comprises a sealing protection box, wherein a driving pull rod mechanism is arranged at the bottom of the inner surface of the sealing protection box, a permanent magnet fixing base is arranged on the side surface of the driving pull rod mechanism, a guide chute is arranged on the side wall of the inner surface of the sealing protection box, a transmission pull rod is inserted into the guide chute, a transition connecting rod is fixedly connected to the upper surface of the transmission pull rod, a clamping chute is arranged on the side surface of the transmission pull rod, a manual control switch is connected in the clamping chute in a sliding manner, a poking rod is fixedly connected to the side surface of the transmission pull rod, a restarting protection mechanism is fixedly connected to the upper surface of the sealing protection box, a support rod is fixedly connected to the side wall of the inner surface of the sealing protection box, an electromagnetic control box is fixedly connected to the other end of the support rod, and a lower insulating sleeve is fixedly connected to the upper surface of the sealing protection box, the top of lower insulating sleeve has cup jointed insulating sleeve through the screw thread, the one end of transition connecting rod is pegged graft in insulating sleeve's inside down, the top fixedly connected with insulating pull rod of transition connecting rod, the inside of going up insulating sleeve is equipped with vacuum interrupter, the side of going up insulating sleeve is equipped with current transformer, the side of sealed guard box is equipped with the backup pad, the upper surface of backup pad is equipped with voltage transformer.
Preferably, manual control switch includes the turning block, the turning block is through pivot fixed connection on sealed guard box's lateral wall, the inside transmission rotary rod of one side fixedly connected with of sealed guard box, the fixture block joint is passed through in the joint spout in the one end of transmission rotary rod, the opposite side fixedly connected with hand pull rod of turning block.
Preferably, the driving pull rod mechanism comprises a rotary supporting seat, the top of the rotary supporting seat is connected with a rotary transmission rod through a rotary shaft in a rotating manner, the side surfaces of the two ends of the rotary transmission rod are connected with a transmission connecting rod through a rotary shaft in a rotating manner, the transmission connecting rod at one end of the rotary transmission rod is connected with a transmission pull rod through a rotary shaft, and the lower surfaces of the two ends of the rotary transmission rod are fixedly connected with permanent magnetic adsorption seats
Preferably, the number of the permanent magnet fixing bases is two, and the two permanent magnet fixing bases are symmetrically distributed on two sides of the rotating support base and correspond to the positions of the permanent magnet adsorption bases.
Preferably, restart protection machanism includes rubber spring, rubber spring's one end fixed connection is at the upper surface of sealed guard box, the other end fixed connection of rubber spring connects the electroplax, the side of going up the electroplax is equipped with the connecting rod, the electroplax under the other end fixedly connected with of connecting rod, the both ends of the lower surface of going up the electroplax all are equipped with magnetism and connect the electric post with the both ends of the upper surface of lower electroplax, it is equipped with electrically conductive support plate to go up between electroplax and the lower electroplax, the side fixed connection of electrically conductive support plate is at the internal surface of sealed guard box, the both ends of electrically conductive support plate are equipped with two-way magnetism and connect the electric post, the side fixedly connected with release link of going up the electroplax.
Preferably, the position of the magnetic electric connecting column corresponds to the position of the bidirectional magnetic electric connecting column, magnetic fields generate attraction force mutually, the rubber spring is filled with electrorheological fluid, and the electrorheological fluid in the rubber spring is electrically connected with the magnetic electric connecting column on the upper electric connection plate through a lead and is connected with a protective resistor in series.
Preferably, the electromagnetic control box comprises an insulating shell, the top of the inner surface of the insulating shell is fixedly connected with a limiting permanent magnet, an electrified coil is arranged inside the insulating shell, a movable iron core is inserted into the electrified coil, and the outer surface of the movable iron core is sleeved with a reset spring.
Preferably, one end of the movable iron core is connected with the transmission connecting rod through a rotating shaft.
Preferably, a high-temperature protection conductor is arranged inside the sealed protection box, a conductive medium inside the high-temperature protection conductor is liquid mercury, and the high-temperature protection conductor is connected in series in a power supply circuit through a lead.
Preferably, the vacuum arc extinguish chamber comprises a vacuum insulation shell, an upper end cover is arranged at the top of the vacuum insulation shell, a lower end cover is arranged at the bottom of the vacuum insulation shell, a movable conducting rod is inserted on the lower end cover, one end of the movable conducting rod is fixedly connected with the insulation pull rod through a conducting clamp, a static conducting rod is fixedly connected to the lower surface of the upper end cover, and the movable conducting rod and the static conducting rod are inserted in the shielding cover.
(III) advantageous effects
Compared with the prior art, the invention provides a novel protective permanent magnet vacuum circuit breaker, which has the following beneficial effects:
1. this novel protection type permanent magnetism vacuum circuit breaker, through restarting protection mechanism's setting, in the process of using, after the overload's of short circuit situation appears, can be with the electrorheological fluids in the rubber spring rather than the series protection resistance access circuit in, protection resistance can protect whole electric current when supplying power once more, still be in the short circuit state if the circuit, thereby the additional electric field in the electrorheological fluids is great makes the fixed unable change of rubber spring's form this moment, stir the unable normal circuit that switches of release link this moment, not only realized the protection to the circuit, can also indicate whether staff's circuit is restoreed.
2. This novel protection type permanent magnetism vacuum circuit breaker, setting through the high temperature protection conductor, local contact failure appears in the circuit and leads to the resistance increase, thereby when making the condition of each part temperature rise in the circuit take place, thereby along with liquid mercury in the temperature rise high temperature protection conductor can reach the boiling point and make the high temperature protection conductor become the state of opening circuit and be the circuit outage, prevent the high temperature damage circuit, and the high temperature protection conductor can continue to use after the temperature reduction and need not to change and maintain, the maintenance work volume that has significantly reduced has practiced thrift the resource.
Drawings
Fig. 1 is a schematic diagram of an external structure of a novel protection type permanent magnet vacuum circuit breaker according to the present invention;
FIG. 2 is a schematic side view of a cross-sectional structure of a novel protection type permanent magnet vacuum circuit breaker seal protection box according to the present invention;
fig. 3 is a schematic front sectional view of a novel protection type permanent magnet vacuum circuit breaker seal protection box according to the present invention;
fig. 4 is a schematic front sectional view of an insulating sleeve of a novel protection type permanent magnet vacuum circuit breaker according to the present invention;
fig. 5 is a schematic circuit diagram of a circuit protection element of the novel protection type permanent magnet vacuum circuit breaker according to the present invention.
In the figure: 1. sealing the protective box; 2. a drive linkage; 201. rotating the supporting seat; 202. rotating the transmission rod; 203. a transmission connecting rod; 204. a permanent magnetic adsorption base; 3. a permanent magnet fixed base; 4. a guide chute; 5. a drive link; 6. a transition link; 7. clamping the sliding chute; 8. a manual control switch; 801. rotating the block; 802. driving a rotating rod; 803. a manual pull rod; 9. a poke rod; 10. restarting the protection mechanism; 1001. a rubber spring; 1002. an upper electric connection plate; 1003. a connecting rod; 1004. a lower contact plate; 1005. a conductive carrier plate; 1006. a magnetic electric connecting column; 1007. a bidirectional magnetic power connection post; 1008. a reset lever; 11. a support rod; 12. an electromagnetic control box; 1201. an insulating housing; 1202. a limiting permanent magnet; 1203. an electrified coil; 1204. a movable iron core; 1205. a return spring; 13. a lower insulating sleeve; 14. an upper insulating sleeve; 15. an insulating pull rod; 16. a vacuum arc-extinguishing chamber; 1601. a vacuum insulated housing; 1602. an upper end cover; 1603. a lower end cover; 1604. a movable conductive rod; 1605. a static conductive rod; 1606. a shield case; 17. a support plate; 18. a voltage transformer; 19. a high temperature protection conductor; 20. a current transformer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a novel protection type permanent magnet vacuum circuit breaker, includes a sealed protection box 1, a high temperature protection conductor 19 is arranged inside the sealed protection box 1, the internal conductive medium of the high temperature protection conductor 19 is liquid mercury, the high temperature protection conductor 19 is connected in series in the power supply line through a lead, the novel protection type permanent magnet vacuum circuit breaker, through the arrangement of the high temperature protection conductor 19, when the resistance value is increased due to the local contact failure in the circuit, so that the temperature of each part in the circuit is increased, the liquid mercury in the high temperature protection conductor 19 can reach the boiling point along with the temperature increase, so that the high temperature protection conductor 19 becomes the circuit breaking state and is the circuit power failure, the circuit is prevented from being damaged due to the high temperature, and the high temperature protection conductor 19 can be continuously used without replacement and maintenance after the temperature is reduced, the maintenance workload is greatly reduced, and the resources are saved, the bottom of the inner surface of the sealing protection box 1 is provided with a driving pull rod mechanism 2, the driving pull rod mechanism 2 comprises a rotating support seat 201, the top of the rotating support seat 201 is rotatably connected with a rotating transmission rod 202 through a rotating shaft, the side surfaces of the two ends of the rotating transmission rod 202 are rotatably connected with transmission connecting rods 203 through rotating shafts, the transmission connecting rods 203 at one end of the rotating transmission rod 202 are connected with transmission pull rods 5 through rotating shafts, the lower surfaces of the two ends of the rotating transmission rod 202 are fixedly connected with permanent magnetic adsorption seats 204, the side surfaces of the driving pull rod mechanism 2 are provided with permanent magnetic fixing bases 3, the number of the permanent magnetic fixing bases 3 is two, the two permanent magnetic fixing bases 3 are symmetrically distributed on the two sides of the rotating support seat 201 and correspond to the positions of the permanent magnetic adsorption seats 204, the side wall of the inner surface of the sealing protection box 1 is provided with a guide chute 4, the transmission pull rods 5 are inserted in the guide chute 4, and the upper surface of the transmission pull rods 5 is fixedly connected with a transition connecting rod 6, the side surface of the transmission pull rod 5 is provided with a clamping sliding groove 7, a manual control switch 8 is connected in the clamping sliding groove 7 in a sliding manner, the manual control switch 8 comprises a rotating block 801, the rotating block 801 is fixedly connected on the side wall of the sealing protection box 1 through a rotating shaft, one side of the sealing protection box 1 is fixedly connected with an internal transmission rotating rod 802, one end of the transmission rotating rod 802 is clamped in the clamping sliding groove 7 through a clamping block, the other side of the rotating block 801 is fixedly connected with a manual pull rod 803, the side surface of the transmission pull rod 5 is fixedly connected with a poking rod 9, the upper surface of the sealing protection box 1 is fixedly connected with a restarting protection mechanism 10, the restarting protection mechanism 10 comprises a rubber spring 1001, one end of the rubber spring 1001 is fixedly connected on the upper surface of the sealing protection box 1, the other end of the rubber spring 1001 is fixedly connected with an upper connecting plate 1002, the side surface of the upper connecting plate 1002 is provided with a connecting rod 1003, and the other end of the connecting rod 1003 is fixedly connected with a lower connecting plate 1004, the novel protective permanent magnet vacuum circuit breaker has the advantages that the two ends of the lower surface of the upper electric connection plate 1002 and the two ends of the upper surface of the lower electric connection plate 1004 are both provided with magnetic electric connection posts 1006, a conductive carrier plate 1005 is arranged between the upper electric connection plate 1002 and the lower electric connection plate 1004, the side surface of the conductive carrier plate 1005 is fixedly connected to the inner surface of the sealed protection box 1, the two ends of the conductive carrier plate 1005 are provided with two-way magnetic electric connection posts 1007, the side surface of the upper electric connection plate 1002 is fixedly connected with a reset rod 1008, the positions of the magnetic electric connection posts 1006 correspond to the positions of the two-way magnetic electric connection posts 1007, the magnetic fields generate attraction force mutually, the rubber spring 1001 is filled with electrorheological fluid, the electrorheological fluid in the rubber spring 1001 is electrically connected with the electric connection posts 1006 on the upper electric connection plate 1002 through wires and is connected with protective resistors in series in use through the reset protection mechanism 10, when a short circuit overload condition occurs, the electrorheological fluid in the rubber spring 1001 and the protective resistors in series connection with the rubber spring are connected into a circuit, the protection resistor can protect the whole current when the power is supplied again, if the circuit is still in a short-circuit state, the electric field added in the electrorheological fluid is large, so that the shape of the rubber spring 1001 is fixed and cannot be changed, at the moment, the reset rod 1008 is pulled to be incapable of switching a normal circuit, the protection of the circuit is realized, and whether the circuit of a worker is repaired or not can be prompted, the side wall of the inner surface of the sealed protection box 1 is fixedly connected with the support rod 11, the other end of the support rod 11 is fixedly connected with the electromagnetic control box 12, the electromagnetic control box 12 comprises an insulating shell 1201, the top of the inner surface of the insulating shell 1201 is fixedly connected with the limiting permanent magnet 1202, the insulating shell 1201 is internally provided with an energizing coil 1203, the movable iron core 1204 is inserted into the energizing coil 1203, the outer surface of the movable iron core 1204 is sleeved with the reset spring 1205, one end of the movable iron core 1204 is connected with the transmission connecting rod 203 through a rotating shaft, the upper surface of the sealed protection box 1 is fixedly connected with a lower insulating sleeve 13, the top of the lower insulating sleeve 13 is sleeved with an upper insulating sleeve 14 through threads, one end of a transition connecting rod 6 is inserted in the lower insulating sleeve 13, the top of the transition connecting rod 6 is fixedly connected with an insulating pull rod 15, the inside of the upper insulating sleeve 14 is provided with a vacuum arc-extinguishing chamber 16, the vacuum arc-extinguishing chamber 16 comprises a vacuum insulating shell 1601, the top of the vacuum insulating shell 1601 is provided with an upper end cover 1602, the bottom of the vacuum insulating shell 1601 is provided with a lower end cover 1603, the lower end cover 1603 is inserted with a movable conducting rod 1604, one end of the movable conducting rod 1604 is fixedly connected with the insulating pull rod 15 through a conducting clip, the lower surface of the upper end cover 1602 is fixedly connected with a static conducting rod 1605, the movable conducting rod 1604 and the static conducting rod 1605 are inserted in a shielding cover 1606, the side surface of the upper insulating sleeve 14 is provided with a current transformer 20, the side surface of the sealed protection box 1 is provided with a supporting plate 17, the upper surface of the support plate 17 is provided with a voltage transformer 18.
When the circuit is used, when the current is increased rapidly due to short circuit, the current passing through the electrified coil 1203 is increased, the magnetic force generated on the movable iron core 1204 and attracted to the limiting permanent magnet 1202 is increased, the movable iron core 1204 moves upwards under the action of the magnetic attraction force, the transmission rod 202 is pulled to rotate through the transmission connecting rod 203 on one side, so that the permanent magnetic adsorption seat 204 on one side is separated from the permanent magnetic fixing base 3, the permanent magnetic adsorption seat 204 on one side is closed with the permanent magnetic fixing base 3 on the other side, so that the transmission connecting rod 203 on the other side is driven to pull the transmission pull rod 5 downwards, the transmission pull rod 5 pushes the upper electric connection plate 1002 downwards through the poking rod 9 on the side, so that the electrorheological fluid and the protection resistor in the rubber spring 1001 are connected with the current, the transmission pull rod 5 pulls the transition connecting rod 6 downwards, the transition connecting rod 6 pulls the insulation pull rod 15 downwards, the insulation pull rod 15 pulls the movable conducting rod 1604 connected with the insulation clamp downwards to separate from the static conducting rod 1605, so that the circuit is realized When the power is cut off and the power is reconnected after the circuit is repaired, the electromagnetic control box 12 and the vacuum arc-extinguishing chamber 16 are reset by the manual control switch 8 to be powered on, if the circuit is still in a short-circuit state, the electric field added in the electrorheological fluid is larger at the moment so that the shape of the rubber spring 1001 is fixed and cannot be changed, the reset rod 1008 is shifted at the moment so that a normal circuit cannot be switched, thereby judging whether the circuit is repaired or not and avoiding the circuit from secondary damage, when the resistance value is increased due to partial poor contact in the circuit, when the temperature of each part in the circuit rises, the liquid mercury in the high-temperature protection conductor 19 reaches the boiling point along with the rise of the temperature, so that the high-temperature protection conductor 19 is changed into an open circuit state to cut off the circuit, the circuit is prevented from being damaged due to overhigh temperature, and the high temperature protection conductor 19 can be used continuously after the temperature is reduced without replacement and repair.
To sum up, by restarting the protection mechanism 10, during the use process, when the short circuit overload occurs, the electrorheological fluid in the rubber spring 1001 and the protection resistor connected in series with the electrorheological fluid are connected into the circuit, the protection resistor can protect the whole current when supplying power again, if the circuit is still in the short circuit state, the electric field added in the electrorheological fluid is large, so that the shape of the rubber spring 1001 is fixed and can not be changed, at the moment, the reset rod 1008 is shifted to switch the normal circuit, not only the protection of the circuit is realized, but also whether the circuit is repaired or not can be prompted to a worker, through the arrangement of the high temperature protection conductor 19, when the local contact failure occurs in the circuit, so that the resistance value is increased, thereby increasing the temperature of each part in the circuit, along with the liquid mercury in the high-temperature protection conductor 19 can reach the boiling point, so that the high-temperature protection conductor 19 becomes the open circuit state and is the circuit power failure, the circuit is prevented from being damaged due to overhigh temperature, the high-temperature protection conductor 19 can be continuously used after the temperature is reduced without replacement and maintenance, the maintenance workload is greatly reduced, and the resources are saved.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a protection type permanent magnetism vacuum circuit breaker, includes sealed protective housing (1), its characterized in that: the sealing protection box is characterized in that a driving pull rod mechanism (2) is arranged at the bottom of the inner surface of the sealing protection box (1), a permanent magnet fixing base (3) is arranged on the side face of the driving pull rod mechanism (2), a guide sliding groove (4) is formed in the side wall of the inner surface of the sealing protection box (1), a transmission pull rod (5) is inserted into the guide sliding groove (4), a transition connecting rod (6) is fixedly connected to the upper surface of the transmission pull rod (5), a clamping sliding groove (7) is formed in the side face of the transmission pull rod (5), a manual control switch (8) is slidably connected into the clamping sliding groove (7), a poking rod (9) is fixedly connected to the side face of the transmission pull rod (5), a restarting protection mechanism (10) is fixedly connected to the upper surface of the sealing protection box (1), the restarting protection mechanism (10) comprises a rubber spring (1001), and one end of the rubber spring (1001) is fixedly connected to the upper surface of the sealing protection box (1), the other end of the rubber spring (1001) is fixedly connected with an upper connecting plate (1002), a connecting rod (1003) is arranged on the side face of the upper connecting plate (1002), the other end of the connecting rod (1003) is fixedly connected with a lower connecting plate (1004), two ends of the lower surface of the upper connecting plate (1002) and two ends of the upper surface of the lower connecting plate (1004) are respectively provided with a magnetic electric connecting column (1006), the position of the magnetic electric connecting column (1006) corresponds to that of a bidirectional magnetic electric connecting column (1007), a magnetic field generates attraction force mutually, electrorheological fluid is filled in the rubber spring (1001), the electrorheological fluid in the rubber spring (1001) is electrically connected with the magnetic electric connecting column (1006) on the upper connecting plate (1002) through a lead and is connected with a protective resistor in series, a conductive plate (1005) is arranged between the upper connecting plate (1002) and the lower connecting plate (1004), and the side face of the conductive plate (1005) is fixedly connected to the inner surface of the sealing protective box (1), the two ends of the conductive carrier plate (1005) are provided with two-way magnetic electric connecting columns (1007), the side face of the upper electric connecting plate (1002) is fixedly connected with a reset rod (1008), the side wall of the inner surface of the sealed protection box (1) is fixedly connected with a support rod (11), the other end of the support rod (11) is fixedly connected with an electromagnetic control box (12), the upper surface of the sealed protection box (1) is fixedly connected with a lower insulating sleeve (13), the top of the lower insulating sleeve (13) is sleeved with an upper insulating sleeve (14) through threads, one end of the transition connecting rod (6) is inserted into the lower insulating sleeve (13), the top of the transition connecting rod (6) is fixedly connected with an insulating pull rod (15), the inner part of the upper insulating sleeve (14) is provided with a vacuum arc extinguishing chamber (16), and the side face of the upper insulating sleeve (14) is provided with a current transformer (20), the side of the sealing protection box (1) is provided with a support plate (17), and the upper surface of the support plate (17) is provided with a voltage transformer (18).
2. A protective permanent magnet vacuum interrupter as defined in claim 1, wherein: manual control switch (8) include turning block (801), turning block (801) are on the lateral wall of sealed protective housing (1) through pivot fixed connection, the inside transmission rotary rod (802) of one side fixedly connected with of sealed protective housing (1), the one end of transmission rotary rod (802) is passed through the fixture block joint in joint spout (7), the manual pull rod (803) of opposite side fixedly connected with of turning block (801).
3. A protective permanent magnet vacuum interrupter as defined in claim 1, wherein: drive pull rod mechanism (2) is including rotating supporting seat (201), the top of rotating supporting seat (201) is rotated through the pivot and is connected with rotation transfer line (202), the side at the both ends of rotating transfer line (202) is rotated through the pivot and is connected with transmission connecting rod (203), transmission connecting rod (203) of rotating transfer line (202) one end are connected with transmission pull rod (5) through the pivot, the lower fixed surface at the both ends of rotating transfer line (202) is connected with permanent magnetism and adsorbs seat (204).
4. A protective permanent magnet vacuum interrupter as defined in claim 3, wherein: the number of the permanent magnet fixing bases (3) is two, and the permanent magnet fixing bases (3) are symmetrically distributed on two sides of the rotating supporting seat (201) and correspond to the positions of the permanent magnet adsorption seats (204).
5. A protective permanent magnet vacuum interrupter as defined in claim 1, wherein: the electromagnetic control box (12) comprises an insulating outer shell (1201), the top of the inner surface of the insulating outer shell (1201) is fixedly connected with a limiting permanent magnet (1202), an electrified coil (1203) is arranged inside the insulating outer shell (1201), a movable iron core (1204) is inserted into the electrified coil (1203), and a reset spring (1205) is sleeved on the outer surface of the movable iron core (1204).
6. A protective permanent magnet vacuum circuit breaker according to claim 5, characterized in that: one end of the movable iron core (1204) is connected with the transmission connecting rod (203) through a rotating shaft.
7. A protective permanent magnet vacuum interrupter as defined in claim 1, wherein: the high-temperature protection device is characterized in that a high-temperature protection conductor (19) is arranged inside the sealed protection box (1), a conductive medium inside the high-temperature protection conductor (19) is liquid mercury, and the high-temperature protection conductor (19) is connected in series in a power supply circuit through a lead.
8. A protective permanent magnet vacuum circuit breaker according to claim 1, characterized in that: vacuum interrupter (16) include vacuum insulation shell (1601), the top of vacuum insulation shell (1601) is equipped with upper end cover (1602), the bottom of vacuum insulation shell (1601) is equipped with lower end cover (1603), it has movable conducting rod (1604) to peg graft on lower end cover (1603), the one end of moving conducting rod (1604) is through electrically conductive clamp and insulating pull rod (15) fixed connection, the lower fixed surface of upper end cover (1602) is connected with static conducting rod (1605), move conducting rod (1604) and static conducting rod (1605) and all peg graft in shield cover (1606).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010657458.XA CN111785564B (en) | 2020-07-09 | 2020-07-09 | Novel protection type permanent magnetism vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010657458.XA CN111785564B (en) | 2020-07-09 | 2020-07-09 | Novel protection type permanent magnetism vacuum circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN111785564A CN111785564A (en) | 2020-10-16 |
| CN111785564B true CN111785564B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010657458.XA Active CN111785564B (en) | 2020-07-09 | 2020-07-09 | Novel protection type permanent magnetism vacuum circuit breaker |
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| CN113241931B (en) * | 2021-05-19 | 2022-06-14 | 南京瑞拓电气有限公司 | Frequency converter with multiple overload protection |
| CN114883124A (en) * | 2022-07-08 | 2022-08-09 | 丹阳市恒泰电炉有限公司 | Vacuum furnace with circuit emergency stop protection structure |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2289622A (en) * | 1941-11-03 | 1942-07-14 | Gen Motors Corp | Interrupter |
| GB1222869A (en) * | 1968-04-10 | 1971-02-17 | Mc Graw Edison Co | Automatic circuit interrupter |
| JPS4829966Y1 (en) * | 1968-03-21 | 1973-09-11 | ||
| CN1737970A (en) * | 2004-08-13 | 2006-02-22 | 伊顿公司 | Circuit interrupter including linear actuator and manual pivot member |
| CN2812266Y (en) * | 2005-03-08 | 2006-08-30 | 北京科锐配电自动化股份有限公司 | A vacuum circuit breaker |
| CN201514867U (en) * | 2009-09-23 | 2010-06-23 | 深圳市泰永科技股份有限公司 | Dual power automatic transfer switching device |
| JP2011100697A (en) * | 2009-11-09 | 2011-05-19 | Toshiba Corp | Operation mechanism of circuit breaker |
| WO2011121909A1 (en) * | 2010-03-31 | 2011-10-06 | 三菱電機株式会社 | Electromagnetically operated mechanism, and manual opening and closing device of same |
| CN203466123U (en) * | 2013-08-14 | 2014-03-05 | 安徽硕日光电科技有限公司 | Single-phase vacuum circuit breaker actuated on basis of electromagnetic force |
| CN203588926U (en) * | 2013-12-11 | 2014-05-07 | 施耐德电气华电开关(厦门)有限公司 | Closing and opening interlocking mechanism |
| CN103971978A (en) * | 2014-04-12 | 2014-08-06 | 北京工业大学 | Thermal expansion liquid contact microswitch for heating through induction |
| CN104599896A (en) * | 2014-12-31 | 2015-05-06 | 安徽宇腾真空电气有限责任公司 | Horizontal permanent magnetic mechanism circuit breaker |
| CN204857564U (en) * | 2014-12-31 | 2015-12-09 | 安徽宇腾真空电气有限责任公司 | Horizontal circuit breaker with permanent magnetic mechanism |
| CN205069487U (en) * | 2015-10-22 | 2016-03-02 | 深圳市飞越电气设备有限公司 | Manually operation's outdoor interchange high pressure permanent magnetism circuit breaker |
| CN205452144U (en) * | 2015-12-28 | 2016-08-10 | 甘肃长城电工电器工程研究院有限公司 | Spring mechanism machinery anti -bouncing device for circuit breaker |
| CN107731576A (en) * | 2017-10-25 | 2018-02-23 | 邓长春 | Can single line manipulation electromagnetic type self-lock switch device mode of connection |
| CN108447728A (en) * | 2018-03-28 | 2018-08-24 | 平高集团有限公司 | A kind of the operating mechanism component and breaker of range-adjustable |
| CN208580694U (en) * | 2018-06-25 | 2019-03-05 | 江苏南瑞泰事达电气有限公司 | A kind of novel vacuum circuit breaker |
| CN210607151U (en) * | 2019-11-01 | 2020-05-22 | 厦门宏发开关设备有限公司 | Tripping device of low-voltage vacuum circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4724003B2 (en) * | 2006-01-10 | 2011-07-13 | 株式会社日本Ａｅパワーシステムズ | Gas insulated switchgear |
-
2020
- 2020-07-09 CN CN202010657458.XA patent/CN111785564B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2289622A (en) * | 1941-11-03 | 1942-07-14 | Gen Motors Corp | Interrupter |
| JPS4829966Y1 (en) * | 1968-03-21 | 1973-09-11 | ||
| GB1222869A (en) * | 1968-04-10 | 1971-02-17 | Mc Graw Edison Co | Automatic circuit interrupter |
| CN1737970A (en) * | 2004-08-13 | 2006-02-22 | 伊顿公司 | Circuit interrupter including linear actuator and manual pivot member |
| CN2812266Y (en) * | 2005-03-08 | 2006-08-30 | 北京科锐配电自动化股份有限公司 | A vacuum circuit breaker |
| CN201514867U (en) * | 2009-09-23 | 2010-06-23 | 深圳市泰永科技股份有限公司 | Dual power automatic transfer switching device |
| JP2011100697A (en) * | 2009-11-09 | 2011-05-19 | Toshiba Corp | Operation mechanism of circuit breaker |
| WO2011121909A1 (en) * | 2010-03-31 | 2011-10-06 | 三菱電機株式会社 | Electromagnetically operated mechanism, and manual opening and closing device of same |
| CN203466123U (en) * | 2013-08-14 | 2014-03-05 | 安徽硕日光电科技有限公司 | Single-phase vacuum circuit breaker actuated on basis of electromagnetic force |
| CN203588926U (en) * | 2013-12-11 | 2014-05-07 | 施耐德电气华电开关(厦门)有限公司 | Closing and opening interlocking mechanism |
| CN103971978A (en) * | 2014-04-12 | 2014-08-06 | 北京工业大学 | Thermal expansion liquid contact microswitch for heating through induction |
| CN104599896A (en) * | 2014-12-31 | 2015-05-06 | 安徽宇腾真空电气有限责任公司 | Horizontal permanent magnetic mechanism circuit breaker |
| CN204857564U (en) * | 2014-12-31 | 2015-12-09 | 安徽宇腾真空电气有限责任公司 | Horizontal circuit breaker with permanent magnetic mechanism |
| CN205069487U (en) * | 2015-10-22 | 2016-03-02 | 深圳市飞越电气设备有限公司 | Manually operation's outdoor interchange high pressure permanent magnetism circuit breaker |
| CN205452144U (en) * | 2015-12-28 | 2016-08-10 | 甘肃长城电工电器工程研究院有限公司 | Spring mechanism machinery anti -bouncing device for circuit breaker |
| CN107731576A (en) * | 2017-10-25 | 2018-02-23 | 邓长春 | Can single line manipulation electromagnetic type self-lock switch device mode of connection |
| CN108447728A (en) * | 2018-03-28 | 2018-08-24 | 平高集团有限公司 | A kind of the operating mechanism component and breaker of range-adjustable |
| CN208580694U (en) * | 2018-06-25 | 2019-03-05 | 江苏南瑞泰事达电气有限公司 | A kind of novel vacuum circuit breaker |
| CN210607151U (en) * | 2019-11-01 | 2020-05-22 | 厦门宏发开关设备有限公司 | Tripping device of low-voltage vacuum circuit breaker |
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