CN117411170A - Power supply conversion device of high-voltage circuit breaker - Google Patents
Power supply conversion device of high-voltage circuit breaker Download PDFInfo
- Publication number
- CN117411170A CN117411170A CN202311717001.3A CN202311717001A CN117411170A CN 117411170 A CN117411170 A CN 117411170A CN 202311717001 A CN202311717001 A CN 202311717001A CN 117411170 A CN117411170 A CN 117411170A
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- inner cavity
- circuit breaker
- component
- pipeline
- shell
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 47
- 239000000428 dust Substances 0.000 claims abstract description 62
- 230000003068 static effect Effects 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims description 41
- 238000001914 filtration Methods 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 238000010924 continuous production Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/16—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces arranged on non-filtering conveyors or supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/60—Auxiliary means structurally associated with the switch for cleaning or lubricating contact-making surfaces
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning In General (AREA)
Abstract
The utility model discloses a power supply conversion device of a high-voltage circuit breaker, which belongs to the technical field of power supply conversion devices and aims to solve the problems that when power supply conversion is carried out, normal power supply conversion cannot be carried out if an actuating mechanism fails and dust is possibly accumulated at a position where a moving contact and a static contact are contacted.
Description
Technical Field
The utility model relates to the technical field of power supply conversion devices, in particular to a power supply conversion device of a high-voltage circuit breaker.
Background
The power that the power plant sent, to need transmit to the remote place through the high-voltage line to satisfy more demands, the high-voltage line probably breaks down at the in-process of electric energy transmission, and cause certain potential safety hazard, at this moment, just need install high-voltage circuit breaker and play certain guard action to the high-voltage line, when the high-voltage line breaks down, high-voltage circuit breaker can trip immediately and break off high-voltage line, cut off the power in order to prevent to cause the security risk or the damage of extensive circuit owing to the circuit trouble, but the mill generally can have two kinds of common power supply line and stand-by power supply line in continuous production process, when the common power supply line breaks down or the power failure, break off common power supply line through power conversion equipment, with stand-by power supply line switch-on in order to maintain mill's equipment normal operation simultaneously, be used for realizing uninterrupted continuous production or supplying power to necessary consumer.
The utility model provides a power conversion equipment of high voltage circuit breaker that publication number CN218887892U proposed, including high voltage circuit breaker machine case, the inside of high voltage circuit breaker machine case is provided with high voltage circuit breaker, the interior top fixed mounting of high voltage circuit breaker machine case has first fixed plate, fixed mounting has the second fixed plate between the inner wall of one side of first fixed plate and high voltage circuit breaker machine case, the inside of high voltage circuit breaker machine case is provided with the connection housing, be provided with power conversion equipment in the connection housing, the inside of high voltage circuit breaker machine case is provided with pushing mechanism. According to the utility model, the power conversion device can be pushed out of the high-voltage circuit breaker case by rotating the rotary block, so that the maintenance of the power conversion device is facilitated, the power conversion device can be automatically blown to and radiated from the power conversion device in the pushing-out process, dust on the power conversion device is conveniently blown off, the follow-up operation is not required to be manually erased, the working efficiency is improved, and the use is convenient.
The power conversion device of the high-voltage circuit breaker disclosed in the prior art has the following defects that the power conversion device of the high-voltage circuit breaker disclosed in the prior art does not have preventive measures, when the power conversion is carried out, if an actuating mechanism fails, normal power conversion cannot be carried out, long-time power failure can occur, and further continuous production cannot be carried out by a factory and normal operation cannot be carried out by necessary electric equipment, a certain fund loss can be caused, meanwhile, the power conversion device of the high-voltage circuit breaker disclosed in the prior art also does not have dust cleaning and collecting capability, dust can be accumulated at the contact positions of dynamic and static contacts after the internal parts are opened and closed for a long time, and the conductivity of the parts is lowered.
In view of the above problems, a power conversion device of a high voltage circuit breaker is proposed.
Disclosure of Invention
The utility model aims to provide a power conversion device of a high-voltage circuit breaker, which adopts the device to work, so as to solve the problems that the power conversion device of the high-voltage circuit breaker disclosed in the prior art does not have preventive measures, when the power conversion is carried out, if an actuating mechanism fails, normal power conversion cannot be carried out, long-time power failure can occur, continuous production cannot be carried out by a factory and necessary electric equipment cannot be normally operated, dust cleaning and collecting capability cannot be provided, dust is accumulated at the contact position of movable and static contacts after the internal parts are opened and closed for a long time, and the electric conductivity of the parts is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power conversion device of high voltage circuit breaker, which comprises a housing, be provided with control assembly on the inner chamber inner wall of shell, fixedly provided with execution assembly on the inner chamber inner wall of shell, fixedly provided with a pair of circuit breaker on the inner chamber inner wall of shell, the circuit breaker is fixed respectively and is set up in execution assembly's both sides, and the circuit breaker all carries out swing joint with execution assembly, be provided with ejecting assembly on the inner chamber bottom surface of shell, be connected with the usual power on the ejecting assembly electrically, be provided with pulling assembly on the inner chamber inner wall of shell, and pulling assembly's one end carries out swing joint with execution assembly, the other end swing joint is on ejecting assembly, be provided with cleaning assembly A and cleaning assembly B on the inner chamber bottom surface of shell respectively, and cleaning assembly A and cleaning assembly B's one end all carries out swing joint with ejecting assembly, the other end all is linked together threaded connection has filtering assembly on cleaning assembly A and the cleaning assembly B;
the ejection assembly comprises a limit sleeve fixedly installed on the bottom surface of an inner cavity of the shell and an electromagnet fixedly installed on the bottom surface of the inner cavity of the limit sleeve, a common power supply is electrically connected to the electromagnet, a spring is fixedly installed on the bottom surface of the inner cavity of the limit sleeve, and the upper end of the spring is fixedly connected with a push rod.
Further, the control assembly comprises a fixing frame fixedly arranged on the top surface of the inner cavity of the shell and a controller embedded on the fixing frame.
Further, the execution assembly comprises a driving motor fixedly installed on the inner wall of the inner cavity of the shell and a connecting shaft fixedly connected to the output end of the driving motor, the driving motor is electrically connected with the controller, the output end of the connecting shaft is fixedly connected with an adjusting assembly, and a manual adjusting nut is fixedly installed on the side wall of the outer end of the adjusting assembly.
Further, the adjusting component comprises a rotary table fixedly connected to the output end of the connecting shaft and a pair of movable connecting rods fixedly installed on the inner end side walls of the rotary table respectively, the far rotary table ends of the movable connecting rods are movably connected to the circuit breaker, a supporting frame penetrates through the movable connecting rods, and the supporting frame is fixedly installed on the inner cavity side walls of the shell.
Further, the movable connecting rod comprises a movable connecting rod main body and a stress plate fixedly arranged on the side wall of the outer end of the movable connecting rod main body, and one end of the stress plate far away from the movable connecting rod main body can be embedded with the top of the ejector rod.
Further, the circuit breaker includes circuit breaker main part and fixed static touch board that sets up inside the circuit breaker main part, and the below elasticity of static touch board is provided with movable touch board, and fixed mounting has the dust absorption mouth on the bottom surface of static touch board, and the dust absorption mouth all is linked together with clearance subassembly A and clearance subassembly B, all activity is provided with the floodgate switch that opens and shuts on the lateral wall of circuit breaker main part, and the floodgate switch that opens and shuts all carries out swing joint with movable connecting rod main part.
Further, the pulling assembly comprises a fulcrum frame fixedly arranged on the inner wall of the inner cavity of the shell and a pull rope penetrating through the inner cavity of the circular ring at the end part of the fulcrum frame, one end of the pull rope is fixedly connected with the outer peripheral wall of the turntable, and the other end of the pull rope is movably connected with the ejector rod.
Further, the cleaning component A comprises a sliding block A which is arranged on the bottom surface of the inner cavity of the shell in a sliding way and an air cylinder A which is fixedly arranged on the sliding block A, the sliding block A and the ejector rod are movably connected through a movable connecting rod A, one end of the air cylinder A is fixedly provided with an air pipeline A in a communicating way, the air pipeline A is fixedly provided with an air duct A in a communicating way, the air duct A is communicated with a dust collection port, and the inner cavity of the air pipeline A is also in threaded connection with a filtering component;
the cleaning assembly B comprises a sliding part fixedly installed on the bottom surface of the inner cavity of the shell and an air cylinder B fixedly installed on the sliding part, the sliding part and the ejector rod are movably connected through a movable connecting rod B, one end of the air cylinder B is fixedly provided with a gas pipeline B, the gas pipeline B is fixedly provided with an air duct B, the air duct B is communicated with a dust collection port, and the inner cavity of the gas pipeline B is further in threaded connection with a filtering assembly.
Further, the gas pipeline A comprises a pipeline A main body and a plurality of one-way valves embedded in the inner cavity of the pipeline A main body, a plurality of limiting blocks are fixedly arranged in the inner cavity of the pipeline A main body, the limiting blocks are fixedly arranged on one side of the one-way valves in a fitting mode, one side pipeline of the gas pipeline A is a one-way air outlet pipeline, the other side pipeline is in threaded connection with a filtering component and is a one-way air inlet pipeline, the composition structure and the connection relation of the gas pipeline A and the gas pipeline B are consistent, and repeated description is omitted.
Further, the filter component comprises a dust collecting bin which is connected with the gas pipeline A and the gas pipeline B through threads and a plurality of struts which are fixedly arranged at the top of the dust collecting bin, a filter screen is fixedly arranged on the top surface of the dust collecting bin, the filter screen is fixedly arranged through the struts, and the size of the filter screen is consistent with the size of the inner cavity of the pipeline A main body.
Compared with the prior art, the utility model has the following beneficial effects: when the power supply line commonly used breaks down or causes the power failure because of some reasons, can carry out the switching of power supply line if carry out the normal operation of subassembly, if carry out the subassembly when damaging, ejecting subassembly does not have magnetic constraint, can drive the pulling subassembly and exert certain power to carry out the subassembly for carry out the subassembly and take place to rotate, realize opening and closing to the circuit breaker on the reserve power supply line, and then realize the switching of power, such setting, make power conversion equipment have precautionary measure, avoid appearing the unable switching of power, the condition of outage for a long time, clearance subassembly A and clearance subassembly B can also clear up the inside sound contact's of circuit breaker position simultaneously, make can not lead to the electric conductive property to descend because of accumulating the dust, and collect the dust of collecting through filtering component, the unified processing of later stage of being convenient for.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the connection relationship of the whole internal components of the present utility model;
FIG. 3 is a bottom view of the overall structure of the present utility model;
FIG. 4 is a schematic diagram of the internal positional relationship of the overall structure of the present utility model;
FIG. 5 is a schematic diagram of the connection between the actuator assembly and the circuit breaker of the present utility model;
fig. 6 is a schematic diagram of the connection relationship of the circuit breaker, the ejector assembly and the cleaning assembly a of the present utility model;
FIG. 7 is an enlarged view of FIG. 6 at A in accordance with the present utility model;
FIG. 8 is a schematic diagram of the connection of the circuit breaker, ejection assembly and cleaning assembly B of the present utility model;
FIG. 9 is a schematic diagram of the connection of cleaning assembly A, cleaning assembly B and filter assembly of the present utility model;
FIG. 10 is an enlarged view of FIG. 9B in accordance with the present utility model;
FIG. 11 is a schematic illustration of the positional relationship of the housing and filter assembly of the present utility model;
fig. 12 is an enlarged view of fig. 11 at C in accordance with the present utility model.
In the figure: 1. a housing; 2. a control assembly; 21. a fixing frame; 22. a controller; 3. an execution component; 31. a driving motor; 32. a connecting shaft; 33. an adjustment assembly; 331. a turntable; 332. a movable connecting rod; 3321. a movable connecting rod main body; 3322. a force-bearing plate; 333. a support frame; 34. a manual adjustment nut; 4. a circuit breaker; 41. a breaker main body; 42. a stationary touch plate; 43. a movable contact plate; 44. an opening and closing gate switch; 45. a dust collection port; 5. an ejection assembly; 51. a limit sleeve; 52. a push rod; 53. a spring; 54. an electromagnet; 6. cleaning the assembly A; 61. a sliding block A; 62. a movable connecting rod A; 63. an inflator A; 64. a gas pipeline A; 641. a pipeline A main body; 642. a one-way valve; 643. a limiting block; 65. an air duct A; 7. cleaning the component B; 71. a slider; 72. a movable connecting rod B; 73. an inflator B; 74. a gas pipeline B; 75. an air duct B; 8. a filter assembly; 81. a dust collection bin; 82. a filter screen; 83. a support post; 9. a common power supply; 10. pulling the assembly; 101. a fulcrum frame; 102. and (5) pulling the rope.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to solve the technical problem that the power supply switching device cannot finish the power supply switching due to the damage of the execution assembly 3 in the power supply switching process, and the long-time continuous power failure is caused, as shown in fig. 1-9 and 11, the following preferable technical scheme is provided:
the utility model provides a power conversion equipment of high voltage circuit breaker, including shell 1, shell 1's setting, not only can play the effect of bearing to inside spare part, still play the effect of protection to inside spare part, make inside spare part can not receive external factor easily and influence and lead to damaging, prolonged the life of equipment, the input of fund has been practiced thrift to a certain extent, be provided with control assembly 2 on shell 1's the inner chamber inner wall, the fixed executive component 3 that is provided with on shell 1's the inner chamber inner wall, control assembly 2 is used for sending the signal to executive component 3, make executive component 3 can carry out normal operation, the fixed a pair of circuit breaker 4 that is provided with on shell 1's the inner chamber inner wall, circuit breaker 4 is fixed respectively and is set up in executive component 3's both sides, and circuit breaker 4 all carries out swing joint with executive component 3, when unexpected situation such as undervoltage, power failure or short circuit appear in the usual power supply line, and then realize tripping and closing a floodgate action with the effect that normal power supply line is switched to reserve power supply line is realized to the usual power supply line to keep mill or other power consumption facilities can carry out.
The ejector assembly 5 is arranged on the bottom surface of the inner cavity of the shell 1, the common power supply 9 is electrically connected to the ejector assembly 5, when the common power supply 9 fails, the execution assembly 3 rotates, and then drives the breaker 4 connected with the standby power supply line to switch on, at the moment, magnetism of the ejector assembly 5 is restrained from disappearing, meanwhile, the ejector assembly 5 ejects upwards to exert a certain pressure on the execution assembly 3, the auxiliary execution assembly 3 switches on the breaker 4 connected with the standby power supply line, the ejector assembly 5 is arranged, the problem that the common power supply line cannot be switched to the standby power supply line when the execution assembly 3 fails can be prevented, a precaution is formed, a pulling assembly 10 is arranged on the inner wall of the inner cavity of the shell 1, one end of the pulling assembly 10 is movably connected with the execution assembly 3, the other end of the pulling assembly 10 is movably connected with the ejector assembly 5, when the common power supply line fails, and the breaker 4 connected with the other end of the auxiliary power supply line is cleaned, at the moment, the ejector assembly 5 is restrained from being ejected upwards, the ejector assembly 5 drives the execution assembly 3 to rotate to switch on the breaker 4 connected with the standby power supply line, the ejector assembly 3 is cleaned, the inner cavity is cleaned, and the inner cavity of the auxiliary power supply line is cleaned up to the breaker 7 is cleaned, and the inner cavity of the spare power supply line is cleaned up, and the spare power supply line is switched with the spare power supply line is cleaned up, and the spare power supply line is completely cleaned up, and the spare power supply is completely is cleaned up, and the spare power supply is completely broken, and the equipment is completely consumed, cleaning component A6 can carry out the dust absorption clearance to the contact of connecting circuit breaker 4 of power supply line commonly used to keep the contact clean, do not influence the conductivity, after stand-by power supply line switches to power supply line commonly used, cleaning component B7 can be to connecting circuit breaker 4 of stand-by power supply to carry out the dust absorption clearance, all communicate threaded connection on cleaning component A6 and the cleaning component B7 has filter unit 8, cleaning component A6 and cleaning component B7 clean back to circuit breaker 4, filter the dust in the gas of suction through filter unit 8, unify and collect, regularly dismantle the change or clean to filter unit 8, with the inside good operational environment of maintenance equipment.
The ejecting assembly 5 comprises a limit sleeve 51 fixedly installed on the bottom surface of the inner cavity of the shell 1 and an electromagnet 54 fixedly installed on the bottom surface of the inner cavity of the limit sleeve 51, a common power supply 9 is electrically connected to the electromagnet 54, a spring 53 is fixedly installed on the bottom surface of the inner cavity of the limit sleeve 51, the upper end of the spring 53 is fixedly connected with a push rod 52, when the common power supply 9 is electrified, the electromagnet 54 has magnetism to enable the push rod 52 to be adsorbed on the bottom surface of the inner cavity of the limit sleeve 51 and not to act, when the common power supply 9 is powered off to perform power conversion, the electromagnet 54 magnetically disappears, the push rod 52 is ejected upwards under the elastic force of the spring 53 to assist the circuit breaker 4 to close, and the problem that the power conversion cannot be performed due to the damage of the executing assembly 3 is prevented, the arrangement of the limit sleeve 51, and when the push rod 52 is ejected upwards, the position deviation is prevented from affecting the closing effect and damaging surrounding parts.
The control assembly 2 comprises a fixing frame 21 fixedly installed on the top surface of the inner cavity of the shell 1 and a controller 22 embedded on the fixing frame 21, wherein the fixing frame 21 plays a role in limiting and fixing the controller 22, so that the controller 22 cannot shake or fall off in the transportation and working process of the power conversion device, the controller 22 is damaged, the controller 22 can be pulled out from the fixing frame 21, later maintenance is facilitated, and convenience is improved.
The actuating assembly 3 comprises a driving motor 31 fixedly installed on the inner wall of the inner cavity of the shell 1 and a connecting shaft 32 fixedly connected to the output end of the driving motor 31, the driving motor 31 is electrically connected with the controller 22, the controller 22 transmits an electric signal to the driving motor 31, the driving motor 31 rotates to output power, the power is transmitted through the connecting shaft 32, an adjusting assembly 33 is fixedly connected to the output end of the connecting shaft 32, the adjusting assembly 33 can be driven to rotate by the rotation of the connecting shaft 32, the opening and closing actions are realized, the power conversion between a common power line and a standby power line can be completed, a manual adjusting nut 34 is fixedly installed on the outer end side wall of the adjusting assembly 33, when a maintenance person maintains and debugs the power conversion device, the manual switching of the power line can be realized by rotating the manual adjusting nut 34, the maintenance person is convenient for the elimination of faults, and the convenience of maintenance is improved.
The adjusting component 33 comprises a rotary table 331 fixedly connected to the output end of the connecting shaft 32 and a pair of movable connecting rods 332 respectively fixedly installed on the side walls of the inner ends of the rotary table 331, the far rotary table 331 ends of the movable connecting rods 332 are movably connected to the circuit breaker 4, a supporting frame 333 is movably arranged on the movable connecting rods 332 in a penetrating mode, the supporting frame 333 is fixedly installed on the side walls of the inner cavities of the shell 1, the connecting shaft 32 transmits power to the rotary table 331, the rotary table 331 rotates to drive the movable connecting rods 332 to move, the supporting frame 333 is used for providing a supporting point for the movable connecting rods 332 which rotate, under the cooperation of the supporting frame 333, the switching-on and switching-off effects of the circuit breaker 4 are achieved, and switching-on of a power supply circuit can be completed.
The movable connecting rod 332 comprises a movable connecting rod main body 3321 and a force bearing plate 3322 fixedly arranged on the side wall of the outer end of the movable connecting rod main body 3321, wherein one end, far away from the movable connecting rod main body 3321, of the force bearing plate 3322 can be embedded with the top of the ejector rod 52, when a fault of a common power supply circuit fails, the ejector rod 52 is restrained to disappear under the action of magnetic force, the ejector rod 52 can be ejected upwards under the action of elastic force, the top of the ejector rod 52 is embedded on the force bearing plate 3322 in a semicircular shape, so that the upward force applied by the ejector rod 52 can act on the movable connecting rod 332, the auxiliary closing effect is exerted, and the phenomenon that peripheral parts are damaged due to the fact that the skew can occur in the process of applying force to the ejector rod 52 can be prevented.
The circuit breaker 4 includes circuit breaker main part 41 and fixed static contact plate 42 that sets up in circuit breaker main part 41 inside, static contact plate 42's below elasticity is provided with movable contact plate 43, fixed mounting has dust absorption mouth 45 on static contact plate 42's the bottom surface, dust absorption mouth 45's position alignment movable contact plate 43 and static contact plate 42 contact's position setting, dust absorption mouth 45 all adopts the material that has certain toughness, high temperature resistant, nonconductive to make, dust absorption mouth 45 all is linked together with clearance subassembly A6 and clearance subassembly B7, when the circuit breaker of common power supply switches to stand-by power supply, clearance subassembly A6 can clear up the contact position of movable contact plate 43 and static contact plate 42 of circuit breaker 4 on the circuit breaker of common power supply through dust absorption mouth 45, on the contrary, clearance subassembly B7 can clear up the contact position of movable contact plate 43 and static contact plate 42 of circuit breaker 4 on the circuit breaker main part 41, and the switch-on switch-off switch 44 all is connected with movable connecting rod 3321 activity, the carousel drives the switch-on-off action of switch-off switch 331 through movable connecting rod 3321, and realization switch-on-off action to switch-off 4.
The pulling assembly 10 comprises a fulcrum frame 101 fixedly arranged on the inner wall of the inner cavity of the shell 1 and a pull rope 102 penetrating through the inner cavity of the circular ring at the end part of the fulcrum frame 101, one end of the pull rope 102 is fixedly connected with the outer peripheral wall of the rotary table 331, the other end of the pull rope 102 is movably connected with the ejector rod 52, the pull rope 102 is made of a material with certain soft performance, the pull rope 102 is required to have certain toughness and strength, the phenomenon of breakage in the working process is prevented, the fulcrum frame 101 plays a certain limiting role on the pull rope 102, the pull rope 102 cannot be wound on other parts in the working process, the parts are clamped or damaged, the stress direction of the pull rope 102 is changed by the fulcrum frame 101, and the force exerted by the ejector rod 52 can drive the rotary table 331 to rotate better, so that the opening and closing effects are realized.
When the common power supply line breaks down or other reasons have a power failure, the control component 2 can transmit an electric signal to the execution component 3, the execution component 3 starts to move to drive the breaker 4 connected with the common power supply line to trip, meanwhile, the breaker 4 connected with the standby power supply line is driven to switch on, the switching of the power supply line can be completed, meanwhile, when the common power supply line breaks down, the ejection component 5 is ejected upwards and drives the pulling component 10 to tighten, a certain force is applied to the execution component 3, the execution component 3 can rotate, the auxiliary breaker 4 can be used for switching on, meanwhile, the prevention effect can be achieved, when the execution component 3 is damaged, the joint action of the ejection component 5 and the pulling component 10 can drive the execution component 3 to rotate, the switching on and off of the breaker 4 is completed, the switching of the power supply is further realized, when the common power supply line breaks down, the switching of the power supply line can still be realized under the cooperation of the ejection component 5, the pulling component 10 and the execution component 3, the necessary power consumption facility can be prevented from being continuously lost in a certain extent, and the continuous power consumption condition of a factory can be ensured or other necessary power consumption facilities can not occur for a long time.
In order to solve the technical problem that dust is accumulated at the contact position of the movable contact and the static contact after the power conversion device opens and closes the brake for a long time, as shown in fig. 6 and fig. 8-12, the following preferable technical scheme is provided:
the cleaning component A6 comprises a sliding block A61 arranged on the bottom surface of an inner cavity of the shell 1 and an air cylinder A63 fixedly arranged on the sliding block A61, the sliding block A61 and the ejector rod 52 are movably connected through a movable connecting rod A62, the upward ejection and the downward contraction of the ejector rod 52 can drive the air cylinder A63 to move and are used for realizing air suction and air blowing, one end of the air cylinder A63 is fixedly provided with a gas pipeline A64 in a communicated mode, the gas pipeline A64 is fixedly provided with a gas guide pipe A65 in a communicated mode, the gas guide pipe A65 is communicated with a dust suction opening 45, the inner cavity of the gas pipeline A64 is further in threaded connection with a filtering component 8, when a common power supply line is powered off, the ejector rod 52 can be ejected upwards, the air cylinder A63 is driven to move through the movable connecting rod A62, so that the inner cavity of the air cylinder A63 is in a negative pressure state, at the moment, dust at the contact position of a movable contact plate 43 and a static contact plate 42 in a circuit breaker 4 connected on the common power supply line can be sucked through the dust suction opening 45, and the inner cavity of the gas pipeline A64 is filtered through the gas guide pipe A65, the air guide pipe A65 is stored in the inner cavity through the filtering component 8, and finally air is stored in the inner cavity of the gas guide pipe A63 through the dust guide pipe A65, the dust is favorable for being sucked in the air suction opening, and the air guide rod A is blown off through the movable connecting rod A62, and the air guide rod is simultaneously, and the dust is blown down to the air guide rod 52 and the air guide rod is simultaneously.
The cleaning component B7 comprises a sliding part 71 fixedly arranged on the bottom surface of the inner cavity of the shell 1 and an air cylinder B73 fixedly arranged on the sliding part 71, the sliding part 71 and the ejector rod 52 are movably connected through a movable connecting rod B72, one end of the air cylinder B73 is fixedly provided with an air pipeline B74 in communication, the air pipeline B74 is fixedly provided with an air duct B75 in communication, the air duct B75 is communicated with the dust collection port 45, the inner cavity of the air pipeline B74 is also in threaded connection with the filtering component 8, when a common power supply circuit is powered off and a power supply is converted to a standby power supply circuit, the ejector rod 52 is ejected upwards, the movable connecting rod B72 drives the air cylinder B73 to move, gas in the inner cavity of the air cylinder B73 is compressed, the air duct B75 and the air pipeline B74 are transported, and finally generated arc is blown onto a metal arc-extinguishing grid through the dust collection port 45 to assist arc extinguishing.
When the common power supply line is electrified and the power supply is switched to the common power supply line, the ejector rod 52 is adsorbed downwards, the movable connecting rod B72 drives the air cylinder B73 to move, so that the negative pressure state is shown in the inner cavity of the air cylinder B73, dust at the contact position of the movable contact plate 43 and the static contact plate 42 in the circuit breaker 4 connected to the standby power supply line can be sucked away through the dust suction port 45, the dust is transported through the air guide pipe B75 and the air pipeline B74, the air is filtered through the filtering component 8, clean air is finally stored in the air cylinder B73 for standby, and the cleaning component A6 and the cleaning component B7 work simultaneously.
The gas pipeline A64 comprises a pipeline A main body 641 and a plurality of one-way valves 642 embedded in the inner cavity of the pipeline A main body 641, a plurality of limiting blocks 643 are fixedly arranged in the inner cavity of the pipeline A main body 641, the limiting blocks 643 are fixedly arranged on one side of the one-way valves 642 in a fitting mode, one side pipeline of the gas pipeline A64 is a one-way air outlet pipeline, the other side pipeline is in threaded connection with a filtering component 8 and is a one-way air inlet pipeline, the composition structure and the connection relation of the gas pipeline A64 and the gas pipeline B74 are consistent, and after that, the two components are not repeated, through the matching arrangement of the pipeline A main body 641, the one-way valves 642 and the limiting blocks 643, the whole gas pipeline A64 can perform one-way air inlet or one-way air outlet, the situation that sucked dust-bearing gas is blown back again is avoided, and the clean working environment inside equipment is maintained.
When the power supply line is powered off, the control component 2 controls the execution component 3 to convert the power supply into the standby power supply line, meanwhile, the ejection component 5 moves to drive the cleaning component A6 to operate, dust at the contact position of the movable contact plate 43 and the static contact plate 42 in the circuit breaker 4 connected on the common power supply line is sucked away, meanwhile, the ejection component 5 drives the cleaning component B7 to operate, gas stored in the cleaning component B7 is blown out, arc generated when the circuit breaker 4 on the standby power supply line is switched on can be favorably blown onto the metal arc extinguishing grid to be extinguished, when the common power supply line is electrified and the power supply is converted into the common power supply line, the working processes of the cleaning component A6 and the cleaning component B7 are opposite to the processes, through the arrangement, when the power supply is switched on, the dust cleaning treatment can be carried out at the contact position of the movable contact plate 43 and the static contact plate 42 in the circuit breaker 4 through the cooperation of the ejection component 5, so that the electric conduction performance can not be reduced, and the arc generated when the circuit breaker 4 is switched on can be assisted.
In order to solve the technical problem that dust in the power conversion device is inconvenient to clean after being collected, as shown in fig. 10 and 12, the following preferred technical scheme is provided:
the filtering component 8 comprises a dust collecting bin 81 which is connected with the gas pipeline A64 and the gas pipeline B74 through threads and a plurality of struts 83 which are fixedly arranged at the top of the dust collecting bin 81, a filter screen 82 is fixedly arranged on the top surface of the dust collecting bin 81, the filter screen 82 is fixedly arranged through the struts 83, the size of the filter screen 82 is consistent with the size of the inner cavity of the main body 641 of the pipeline A, the gas with dust is transported through the gas pipeline A64 or the gas pipeline B74, the dust is filtered after being filtered through the filter screen 82, and the filter screen 82 is obliquely arranged, so that accumulated dust is convenient to downwards settle into the dust collecting bin 81, and unified treatment in later period is convenient.
After the power conversion device is used for a long time, a certain amount of dust can be accumulated on the filter screen 82, meanwhile, the dust collecting bin 81 can accumulate a certain amount of dust, at the moment, the dust collecting bin 81 is detached by rotating the dust collecting bin 81, the filter screen 82 and the support posts 83 are detached, the dust collecting bin 81, the filter screen 82 and the support posts 83 are conveniently cleaned and replaced, the filter assembly 8 can be easily detached integrally to be replaced or cleaned through the arrangement, the collected dust can be uniformly treated in the later period, the maintenance of the clean working environment in the device is facilitated, and the service life of the device is prolonged to a certain extent.
It is noted that 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. Moreover, 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.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a power conversion device of high voltage circuit breaker, includes shell (1), its characterized in that: the automatic cleaning device is characterized in that a control component (2) is arranged on the inner cavity wall of the shell (1), an execution component (3) is fixedly arranged on the inner cavity wall of the shell (1), a pair of circuit breakers (4) are fixedly arranged on the inner cavity wall of the shell (1), the circuit breakers (4) are respectively fixedly arranged on two sides of the execution component (3), the circuit breakers (4) are movably connected with the execution component (3), an ejection component (5) is arranged on the inner cavity bottom surface of the shell (1), a common power supply (9) is electrically connected to the ejection component (5), a pulling component (10) is arranged on the inner cavity wall of the shell (1), one end of the pulling component (10) is movably connected with the execution component (3), the other end of the pulling component (10) is movably connected to the ejection component (5), a cleaning component A (6) and a cleaning component B (7) are respectively arranged on the inner cavity bottom surface of the shell (1), one ends of the cleaning component A (6) and the cleaning component B (7) are movably connected with the ejection component (5), and the other ends of the cleaning component A (6) and the cleaning component B (7) are respectively connected with the ejection component (5) through threads (8);
the ejection assembly (5) comprises a limit sleeve (51) fixedly installed on the bottom surface of the inner cavity of the shell (1) and an electromagnet (54) fixedly installed on the bottom surface of the inner cavity of the limit sleeve (51), a common power supply (9) is electrically connected to the electromagnet (54), a spring (53) is fixedly installed on the bottom surface of the inner cavity of the limit sleeve (51), and the upper end of the spring (53) is fixedly connected with a push rod (52).
2. The power conversion apparatus of a high voltage circuit breaker according to claim 1, wherein: the control component (2) comprises a fixing frame (21) fixedly arranged on the top surface of the inner cavity of the shell (1) and a controller (22) embedded on the fixing frame (21).
3. The power conversion apparatus of a high voltage circuit breaker according to claim 2, wherein: the execution assembly (3) comprises a driving motor (31) fixedly installed on the inner wall of the inner cavity of the shell (1) and a connecting shaft (32) fixedly connected to the output end of the driving motor (31), wherein the driving motor (31) is electrically connected with the controller (22), the output end of the connecting shaft (32) is fixedly connected with an adjusting assembly (33), and a manual adjusting nut (34) is fixedly installed on the lateral wall of the outer end of the adjusting assembly (33).
4. A power conversion apparatus of a high voltage circuit breaker according to claim 3, wherein: the adjusting component (33) comprises a rotary table (331) fixedly connected to the output end of the connecting shaft (32) and a pair of movable connecting rods (332) respectively fixedly installed on the inner end side walls of the rotary table (331), the far rotary table (331) ends of the movable connecting rods (332) are movably connected to the circuit breaker (4), a supporting frame (333) is movably arranged on the movable connecting rods (332) in a penetrating mode, and the supporting frame (333) is fixedly installed on the inner cavity side walls of the shell (1).
5. The power conversion apparatus of a high voltage circuit breaker according to claim 4, wherein: the movable connecting rod (332) comprises a movable connecting rod main body (3321) and a force bearing plate (3322) fixedly arranged on the side wall of the outer end of the movable connecting rod main body (3321), and one end, far away from the movable connecting rod main body (3321), of the force bearing plate (3322) can be embedded with the top of the ejector rod (52).
6. The power conversion apparatus of a high voltage circuit breaker according to claim 5, wherein: the circuit breaker (4) includes circuit breaker main part (41) and fixed static touch board (42) that set up inside circuit breaker main part (41), and the below elasticity of static touch board (42) is provided with movable touch board (43), and fixed mounting has dust absorption mouth (45) on the bottom surface of static touch board (42), and dust absorption mouth (45) all are linked together with clearance subassembly A (6) and clearance subassembly B (7), all activity is provided with on the lateral wall of circuit breaker main part (41) and opens and shuts floodgate switch (44), and opens and shuts floodgate switch (44) all and movable connecting rod main part (3321) carry out swing joint.
7. The power conversion apparatus of a high voltage circuit breaker according to claim 6, wherein: the pulling assembly (10) comprises a fulcrum frame (101) fixedly arranged on the inner wall of the inner cavity of the shell (1) and a pull rope (102) penetrating through the inner cavity of the circular ring at the end part of the fulcrum frame (101), one end of the pull rope (102) is fixedly connected with the outer peripheral wall of the turntable (331), and the other end of the pull rope is movably connected with the ejector rod (52).
8. The power conversion apparatus of a high voltage circuit breaker according to claim 6, wherein: the cleaning assembly A (6) comprises a sliding block A (61) arranged on the bottom surface of an inner cavity of the shell (1) in a sliding manner and an air cylinder A (63) fixedly arranged on the sliding block A (61), the sliding block A (61) and the ejector rod (52) are movably connected through a movable connecting rod A (62), one end of the air cylinder A (63) is fixedly provided with an air pipeline A (64) in a communicating manner, the air pipeline A (64) is fixedly provided with an air duct A (65) in a communicating manner, the air duct A (65) is communicated with the dust collection opening (45), and the inner cavity of the air pipeline A (64) is also in threaded connection with a filtering assembly (8);
the cleaning assembly B (7) comprises a sliding part (71) fixedly installed on the bottom surface of an inner cavity of the shell (1) and an air cylinder B (73) fixedly installed on the sliding part (71), the sliding part (71) and the ejector rod (52) are movably connected through a movable connecting rod B (72), one end of the air cylinder B (73) is fixedly provided with an air pipeline B (74) in a communicating mode, the air pipeline B (74) is fixedly provided with an air duct B (75) in a communicating mode, the air duct B (75) is communicated with the dust collection opening (45), and the inner cavity of the air pipeline B (74) is further in threaded connection with a filtering assembly (8).
9. The power conversion apparatus of a high voltage circuit breaker according to claim 8, wherein: the gas pipeline A (64) comprises a pipeline A main body (641) and a plurality of one-way valves (642) embedded in the inner cavity of the pipeline A main body (641), a plurality of limiting blocks (643) are fixedly arranged in the inner cavity of the pipeline A main body (641), the limiting blocks (643) are fixedly arranged on one side of the one-way valves (642) in a fitting mode, one side pipeline of the gas pipeline A (64) is a one-way air outlet pipeline, the other side pipeline is in threaded connection with a filtering assembly (8) and is a one-way air inlet pipeline, and the composition structure and the connection relation of the gas pipeline A (64) and the gas pipeline B (74) are consistent.
10. The power conversion apparatus of a high voltage circuit breaker according to claim 9, wherein: the filter component (8) comprises a dust collecting bin (81) which is connected with the gas pipeline A (64) and the gas pipeline B (74) through threads and a plurality of support posts (83) which are fixedly arranged at the top of the dust collecting bin (81), a filter screen (82) is fixedly arranged on the top surface of the dust collecting bin (81), the filter screen (82) is fixedly arranged through the support posts (83), and the size of the filter screen (82) is consistent with the size of the inner cavity of the pipeline A main body (641).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311717001.3A CN117411170B (en) | 2023-12-14 | 2023-12-14 | Power supply conversion device of high-voltage circuit breaker |
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| CN202311717001.3A CN117411170B (en) | 2023-12-14 | 2023-12-14 | Power supply conversion device of high-voltage circuit breaker |
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| CN117411170B CN117411170B (en) | 2024-03-26 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755954A (en) * | 2020-06-23 | 2020-10-09 | 江苏士林电气设备有限公司 | Intelligent circuit breaker suitable for power consumption management of smart city |
| CN218887892U (en) * | 2022-12-01 | 2023-04-18 | 安徽华泽凯电气科技有限公司 | Power supply conversion device of high-voltage circuit breaker |
| CN219067592U (en) * | 2022-12-21 | 2023-05-23 | 倪永康 | Power supply conversion device of high-voltage circuit breaker |
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2023
- 2023-12-14 CN CN202311717001.3A patent/CN117411170B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755954A (en) * | 2020-06-23 | 2020-10-09 | 江苏士林电气设备有限公司 | Intelligent circuit breaker suitable for power consumption management of smart city |
| CN218887892U (en) * | 2022-12-01 | 2023-04-18 | 安徽华泽凯电气科技有限公司 | Power supply conversion device of high-voltage circuit breaker |
| CN219067592U (en) * | 2022-12-21 | 2023-05-23 | 倪永康 | Power supply conversion device of high-voltage circuit breaker |
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| CN117411170B (en) | 2024-03-26 |
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