CN112420441B - Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker - Google Patents
Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker Download PDFInfo
- Publication number
- CN112420441B CN112420441B CN202011254696.2A CN202011254696A CN112420441B CN 112420441 B CN112420441 B CN 112420441B CN 202011254696 A CN202011254696 A CN 202011254696A CN 112420441 B CN112420441 B CN 112420441B
- Authority
- CN
- China
- Prior art keywords
- moving rod
- top plate
- rod
- fixed
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 239000012212 insulator Substances 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 5
- 238000010079 rubber tapping Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- 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
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention provides a disassembly-free mechanism assembly device of an outdoor vacuum circuit breaker, which comprises a shell, a vacuum arc-extinguishing part, a moving rod driving part and a linkage part, wherein the linkage part is fixed on one side of an upper top plate facing an inner cavity, the moving rod driving part is fixed on one side of a lower top plate facing the inner cavity, the vacuum arc-extinguishing part is arranged between the moving rod driving part and the linkage part, the vacuum arc-extinguishing part, the moving rod driving part and the linkage part are respectively integrated, and are connected with each other by adopting a connecting screw cap arranged on each part.
Description
Technical Field
The invention belongs to the technical field of electric power, and particularly relates to a disassembly-free mechanism assembly device of an outdoor vacuum circuit breaker.
Background
The vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are 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 relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10kV, 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 oiling, less maintenance and frequent operation, can be configured in a middle-placed cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment, is usually arranged on an electric tower due to the fact that the vacuum circuit breaker is mainly applied to a power distribution network, and is very inconvenient to replace once equipment is damaged, and meanwhile, the disassembly and assembly risk coefficient of the equipment is also very high, so that a setting mode of the vacuum circuit breaker convenient to replace is needed.
Disclosure of Invention
The invention mainly aims to provide a disassembly-free mechanism assembly device of an outdoor vacuum circuit breaker, and aims to solve the problem that the vacuum circuit breaker is difficult to disassemble and assemble in the prior art.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a disassembly-free mechanism assembly device of an outdoor vacuum circuit breaker comprises a shell, a vacuum arc extinguishing component, a moving rod driving component and a linkage component; the shell comprises an upper top plate, a lower top plate, a door plate, a rear plate and two side plates arranged between the upper top plate and the lower top plate, wherein the upper top plate and the lower top plate are parallel to each other, the door plate and the rear plate are parallel to each other and arranged between the upper top plate and the lower top plate, and the two side plates are parallel to each other and arranged between the upper top plate and the lower top plate; the upper top plate, the lower top plate, the door plate, the rear plate and the two side plates jointly enclose an inner cavity, and the vacuum arc extinguishing part, the moving rod driving part and the linkage part are all arranged in the inner cavity;
the linkage component is fixed on one side, facing the inner cavity, of the upper top plate, the moving rod driving component is fixed on one side, facing the inner cavity, of the lower top plate, and the vacuum arc extinguishing component is arranged between the moving rod driving component and the linkage component;
the vacuum arc extinguishing component comprises a fixed rod, a moving rod, a vacuum cover and an insulating elastic sleeve; the vacuum cover is arranged between the moving rod driving part and the linkage part, the fixed rod comprises a fixed rod body and a fixed rod connecting block, one part of the fixed rod body is contained in the vacuum cover, and the other part of the fixed rod body extends outwards towards the linkage part; the moving rod comprises a moving rod body and a moving rod connecting block, one part of the moving rod body is contained in the vacuum cover, the other part of the moving rod body extends outwards towards the moving rod driving part, and the insulating elastic sleeve is arranged between one end of the moving rod body contained in the vacuum cover and the vacuum cover;
the fixed rod connecting block is fixed on the part of the fixed rod body extending out of the vacuum cover, and the moving rod connecting block is fixed on the part of the moving rod body extending out of the vacuum cover;
the moving rod driving part is provided with a moving rod connecting screw cap used for connecting the moving rod connecting block, and the linkage part is provided with a fixed rod connecting screw cap used for connecting the fixed rod connecting block.
Preferably, the moving rod driving part comprises a moving rod housing, a permanent magnet and a pneumatic part, wherein the permanent magnet and the pneumatic part are respectively accommodated in the moving rod housing; the moving rod housing is fixed on one side, facing the inner cavity, of the lower top plate, and the permanent magnet is arranged on one side, close to the vacuum arc extinguishing component, of the moving rod housing; the pneumatic component comprises an air compressor, an electromagnetic valve and an air cylinder which are connected through pipelines, and a magnetic switch arranged on the air cylinder; the moving rod driving part also comprises an insulating sheet, a moving rod connecting rod and a moving rod connecting buckle; one end of the moving rod connecting rod is contacted with the moving rod body under the fixation of the moving rod connecting rotating cap, and the other end of the moving rod connecting rod is fixed with the cylinder output shaft through the moving rod connecting buckle; the insulating piece includes insulating end and magnetism end, the cylinder output shaft with it is equipped with to move to press from both sides between the pole connecting rod the insulating end, the magnetism end be used for with the permanent magnet cooperation, it is in still including setting up to move the pole housing move the pole interface of pole housing surface, move the pole interface with move the pole connecting rod and pass through the electric wire electricity and connect.
Preferably, the linkage component comprises a fixed rod housing, and a linear motor and an insulator which are respectively accommodated in the fixed rod housing, the fixed rod housing is fixed on one side of the upper top plate facing the inner cavity, an output shaft of the linear motor is fixedly connected with one end of the insulator, and the other end of the insulator is connected with a conductive rod; the linkage part still includes decides the pole connecting rod, decide the one end of pole connecting rod be used for with the conducting rod deviates from the one end contact of insulator, decide the other end of pole connecting rod be in decide the pole connect screw cap fixed down with decide the pole body of rod contact, decide the pole housing still including setting up decide the pole interface of pole housing surface, decide the pole interface with the conducting rod passes through the electric wire electricity and connects.
Preferably, the disassembly-free mechanism assembly device of the outdoor vacuum circuit breaker further comprises a control system, wherein the control system comprises a control power supply, and a PLC, an electromagnetic valve, a first electromagnetic relay, a second electromagnetic relay, a first alternating current contactor, a second alternating current contactor and a third alternating current contactor which are respectively electrically connected with the control power supply; the first alternating current contactor and the second alternating current contactor are electrically connected with the first electromagnetic relay respectively; the third alternating current contactor is electrically connected with the second electromagnetic relay, the first electromagnetic relay and the second electromagnetic relay are respectively electrically connected with the PLC, and the electromagnetic valve is electrically connected with the PLC;
the magnetic switch comprises an upper limit magnetic switch and a lower limit magnetic switch, the upper limit magnetic switch is electrically connected with the PLC, and the lower limit magnetic switch is electrically connected with the PLC;
the control system further comprises a driving power supply and a main circuit alternating current contactor, and the main circuit alternating current contactor is electrically connected with the control power supply and the PLC respectively.
Preferably, the third ac contactor is electrically connected to the driving power supply, and the first ac contactor and the second ac contactor are electrically connected to the main circuit ac contactor, respectively;
the driving power supply, the main-circuit alternating current contactor, the first alternating current contactor and the linear motor are sequentially connected in series to form a linear motor reverse loop; the driving power supply, the main circuit alternating current contactor, the second alternating current contactor and the linear motor are sequentially connected in series to form a forward rotation loop of the linear motor;
the driving power supply, the third alternating current contactor and the air compressor are sequentially connected in series to form an air compressor on-off loop.
Preferably, the control system further comprises a travel switch, the travel switch is electrically connected with the PLC, and the travel switch is arranged on the insulator.
Preferably, the lower top plate comprises a lower top plate body and a lower fixing plate, the lower top plate body is provided with a lower through hole used for penetrating through the moving rod housing, the lower fixing plate is detachably connected with the moving rod housing, and the lower fixing plate is detachably connected with the lower top plate body.
Preferably, the upper top plate comprises an upper top plate body and an upper fixing plate, the upper top plate body is provided with an upper through hole used for penetrating through the fixed rod housing, the upper fixing plate is detachably connected with the fixed rod housing, and the upper fixing plate is detachably connected with the upper top plate body.
Preferably, the casing still includes first external interface, first external interface set up in the casing deviates from on one side of inner space, first external interface with move the pole interface electricity and be connected, first external interface is arranged in being connected to outdoor vacuum circuit breaker exempting from to tear open formula mechanism assembly device to external circuit.
Preferably, the housing further comprises a second external interface, the second external interface is disposed on a side of the housing departing from the internal space, the second external interface is electrically connected to the fixed rod interface, and the second external interface is used for connecting the outdoor vacuum circuit breaker disassembly-free mechanism assembly device to an external circuit.
Compared with the prior art, the invention at least has the following beneficial effects:
according to the technical scheme, the vacuum arc extinguishing component, the moving rod driving component and the linkage component are integrated, and are connected with each other through the connecting screw caps arranged on the components, so that the integrated replacement or disassembly and assembly are very convenient, meanwhile, the common design mode of the vacuum arc extinguishing component can also achieve a good fireproof power-off effect, when the device needs to be overhauled, the components are selected to be replaced integrally according to the use condition, the damaged components are repaired with the electrified tower, and the operation and the overhaul of workers are greatly facilitated on the premise that the maintenance efficiency is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a housing of a disassembly-free mechanism assembly device of an outdoor vacuum circuit breaker according to the present invention;
fig. 2 is a perspective structural diagram of the interior components in the front view direction of the disassembly-free mechanism assembly device of the outdoor vacuum circuit breaker according to the present invention;
fig. 3 is a schematic perspective structural view of internal components in a side view direction of a disassembly-free mechanism assembly of an outdoor vacuum circuit breaker according to the present invention;
FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 6 is a schematic structural diagram of a cylinder of a disassembly-free mechanism assembly of an outdoor vacuum circuit breaker according to the present invention;
fig. 7 is a schematic structural view of a vacuum arc extinguishing unit of a disassembly-free mechanism assembly device of an outdoor vacuum circuit breaker according to the present invention;
FIG. 8 is a schematic structural diagram of a side view of a moving rod driving member of a disassembly-free mechanism assembly of an outdoor vacuum circuit breaker according to the present invention;
FIG. 9 is a front view of a linkage assembly of an outdoor vacuum circuit breaker with no-disassembly mechanism assembly according to the present invention;
FIG. 10 is a front view of a moving rod driving member of an assembly device of an outdoor vacuum circuit breaker with no-disassembly mechanism according to the present invention;
FIG. 11 is a schematic view of a connection of a driving circuit of a disassembly-free mechanism assembly of an outdoor vacuum circuit breaker according to the present invention;
FIG. 12 is a schematic connection diagram of a control circuit of a disassembly-free mechanism assembly of an outdoor vacuum circuit breaker according to the present invention;
fig. 13 is a schematic power connection diagram of a control circuit of a detachment-free mechanism assembly device of an outdoor vacuum circuit breaker according to the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions such as "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a disassembly-free mechanism assembly device of an outdoor vacuum circuit breaker.
Referring to fig. 1 to 13, a disassembly-free mechanism assembly device for an outdoor vacuum circuit breaker includes a housing 4, a vacuum arc extinguishing member 2, a moving rod driving member 3 and a linkage member 1; the shell 4 comprises an upper top plate, a lower top plate, a door plate 450, a rear plate 440 and two side plates 430 arranged between the upper top plate and the lower top plate, wherein the upper top plate and the lower top plate are parallel to each other, the door plate 450 and the rear plate 440 are parallel to each other and arranged between the upper top plate and the lower top plate, and the two side plates 430 are parallel to each other and arranged between the upper top plate and the lower top plate; the upper top plate, the lower top plate, the door plate 450, the rear plate 440 and the two side plates 430 together enclose an inner cavity, and the vacuum arc extinguishing part 2, the moving rod driving part 3 and the linkage part 1 are all arranged in the inner cavity; the linkage part 1 is fixed on one side of the upper top plate facing the inner cavity, the moving rod driving part 3 is fixed on one side of the lower top plate facing the inner cavity, and the vacuum arc extinguishing part 2 is arranged between the moving rod driving part 3 and the linkage part 1; the vacuum arc extinguishing component 2 comprises a fixed rod, a moving rod, a vacuum cover 230 and an insulating elastic sleeve 222; the vacuum cover 230 is arranged between the moving rod driving part 3 and the linkage part 1, the fixed rod comprises a fixed rod body 210 and a fixed rod connecting block 211, one part of the fixed rod body 210 is accommodated in the vacuum cover 230, and the other part of the fixed rod body 210 extends outwards towards the linkage part 1; the moving rod comprises a moving rod body 220 and a moving rod connecting block 221, one part of the moving rod body 220 is accommodated in the vacuum cover 230, the other part of the moving rod body 220 extends outwards towards the moving rod driving part 3, and the insulating elastic sleeve 222 is arranged between one end of the moving rod body 220 accommodated in the vacuum cover 230 and the vacuum cover 230; the fixed rod connecting block 211 is fixed on the part of the fixed rod body 210 extending out of the vacuum cover 230, and the moving rod connecting block 221 is fixed on the part of the moving rod body 220 extending out of the vacuum cover 230; the moving rod driving part 3 is provided with a moving rod connection screw cap 340 for connecting the moving rod connecting block 221, and the linkage part 1 is provided with a fixed rod connection screw cap 170 for connecting the fixed rod connecting block 211.
Vacuum arc extinguishing part 2, move pole drive disk assembly 3 with linkage part 1 respectively is a whole, adopt the connection that sets up at each part to revolve the cap between each other and connect, such connected mode makes holistic change and dismouting convenience very, vacuum arc extinguishing part 2's common design also can play good fire prevention outage effect simultaneously, when needs go on the maintenance of device, only need carry out the whole change according to the condition selected component that uses, repair the lower electrified tower of part that will damage, guarantee very big convenient workman's operation and maintenance under maintenance efficiency's the prerequisite.
Preferably, the moving rod driving member 3 includes a moving rod housing 310, and a permanent magnet 370 and a pneumatic member 320 respectively housed in the moving rod housing 310; the moving rod housing 310 is fixed on the side of the lower top plate facing the inner cavity, and the permanent magnet 370 is arranged on the side of the moving rod housing 310 close to the vacuum arc extinguishing part 2; the pneumatic component 320 comprises an air compressor 321, an electromagnetic valve 322 and an air cylinder 323 which are connected through pipelines, and a magnetic switch arranged on the air cylinder 323; the moving rod driving part 3 further comprises an insulating sheet 360, a moving rod connecting rod 330 and a moving rod connecting buckle 350; one end of the moving rod connecting rod 330 is in contact with the moving rod body 220 under the fixation of the moving rod connecting screw cap 340, and the other end of the moving rod connecting rod 330 is fixed with the cylinder output shaft 3230 through the moving rod connecting buckle 350; the insulating piece 360 includes insulating end and magnetism end, cylinder output shaft 3230 with it is equipped with to press from both sides between the pole connecting rod 330 the insulating end 360, the magnetism end be used for with the cooperation of permanent magnet 370, move pole housing 310 still including setting up move the pole interface 311 of moving the pole housing 310 surface, move the pole interface 311 with move the pole connecting rod 330 and pass through the electric wire electricity and be connected.
When the breaker needs to be disconnected, the air compressor 321 works, the air compressor 321 injects air into an upper vent port 3231 of the air cylinder 323 through the electromagnetic valve 322, the connecting disc 3235 is pushed to move downwards, the air cylinder output shaft 3230 is driven to move downwards, the moving rod connecting rod 330 is driven to move downwards, the moving rod body 220 is pulled, the moving rod body 220 is separated from the fixed rod body 210, the function of circuit breaking is realized, and meanwhile, the insulating end of the insulating sheet 360 is pulled to move downwards, so that the magnetic end is driven to be separated from the permanent magnet 370; when the circuit breaker need be closed, the work of air compressor machine 321, air compressor machine 321 passes through solenoid valve 322 and injects the gas to the lower blow vent 3232 of cylinder 323, promotes chain 3235 upward movement to drive cylinder output shaft 3230 upward movement, thereby drive and move pole connecting rod 330 upward movement, thereby promote and move pole body of rod 220, thereby it realizes the function that switches on to make to move pole body of rod 220 and decide the contact of pole body of rod 210, thereby the insulating end upward movement that stimulates insulating piece 360 simultaneously drives magnetism end and permanent magnet 370 contact.
Preferably, the linkage member 1 includes a fixed rod housing 110, and a linear motor 120 and an insulator 130 respectively accommodated in the fixed rod housing 110, the fixed rod housing 110 is fixed to a side of the upper top plate facing the internal cavity, an output shaft of the linear motor 120 is fixedly connected to one end of the insulator 130, and the other end of the insulator 130 is connected to a conductive rod 150; linkage part 1 still includes the fixed pole connecting rod, the one end of fixed pole connecting rod be used for with conducting rod 150 deviates from the one end contact of insulator 130, the other end of fixed pole connecting rod is in the fixed pole is connected screw cap 170 fixed down with the contact of fixed pole body of rod 210, fixed pole housing 110 is still including setting up fixed pole interface 111 of fixed pole housing 110 surface, fixed pole interface 111 with conducting rod 150 passes through the electric wire electricity and connects.
When the circuit breaker needs to be disconnected, the linear motor 120 rotates forward to enable the output shaft of the linear motor 120 to move upwards, so that the insulator 130 and the conducting rod 150 are driven to move upwards to achieve the circuit breaking protection function of the circuit breaker; when the circuit breaker needs to be closed, the linear motor 120 rotates reversely so that the output shaft of the linear motor 120 moves downward, thereby driving the insulator 130 and the conductive rod 150 to move downward so as to realize the conduction protection function of the circuit breaker.
Preferably, referring to fig. 11-13, the disassembly-free mechanism assembly device of the outdoor vacuum circuit breaker further comprises a control system, wherein the control system comprises a control power supply, and a PLC, an electromagnetic valve 322, a first electromagnetic relay, a second electromagnetic relay, a first ac contactor, a second ac contactor and a third ac contactor which are respectively electrically connected with the control power supply; the first alternating current contactor and the second alternating current contactor are electrically connected with the first electromagnetic relay respectively; the third alternating current contactor is electrically connected with the second electromagnetic relay, the first electromagnetic relay and the second electromagnetic relay are respectively electrically connected with the PLC, and the electromagnetic valve 322 is electrically connected with the PLC;
the magnetic switch comprises an upper limit magnetic switch 3233 and a lower limit magnetic switch 3234, the upper limit magnetic switch 3233 is electrically connected with the PLC, and the lower limit magnetic switch 3234 is electrically connected with the PLC;
the control system further comprises a driving power supply and a main circuit alternating current contactor, and the main circuit alternating current contactor is electrically connected with the control power supply and the PLC respectively.
Preferably, the third ac contactor is electrically connected to the driving power supply, and the first ac contactor and the second ac contactor are electrically connected to the main circuit ac contactor, respectively;
the driving power supply, the main-circuit ac contactor, the first ac contactor, and the linear motor 120 are sequentially connected in series to form a linear motor reverse rotation circuit; the driving power supply, the main-circuit alternating current contactor, the second alternating current contactor and the linear motor 120 are sequentially connected in series to form a forward rotation loop of the linear motor; the driving power supply, the third alternating current contactor and the air compressor 321 are sequentially connected in series to form an air compressor on-off loop.
Preferably, the control system further includes a travel switch, the travel switch is electrically connected to the PLC, the travel switch is disposed on the insulator 130, the travel switch includes an upper limit travel switch and a lower limit travel switch, when the conductive rod 150 contacts the fixed rod connecting rod, the upper limit travel switch contacts the fixed rod casing 110, and when the insulator 130 contacts the motor casing of the linear motor 120 (the distance may be 2cm-5 cm), the lower limit travel switch contacts the fixed rod casing 110.
When the disassembly-free mechanism assembly device of the outdoor vacuum circuit breaker needs to be disconnected, the PLC sends a signal to the second electromagnetic relay, the second electromagnetic relay is closed, so that the third alternating current contactor is closed, the air compressor 321 starts to work, the air compressor 321 compresses air and injects the air into the upper air vent 3231 of the air cylinder 323 through the electromagnetic valve 322, the connecting disc 3235 is pushed to move downwards, the air cylinder output shaft 3230 is driven to move downwards, the moving rod connecting rod 330 is driven to move downwards, the moving rod body 220 is pulled, the moving rod body 220 is separated from the fixed rod body 210, so that the circuit is disconnected in the vacuum cover 230, and the arc extinguishing effect is achieved; when the connecting disc 3235 sweeps the lower limit magnetic switch 3234, the lower limit magnetic switch 3234 acts and transmits a signal to the PLC, the PLC controls the second electromagnetic relay to be switched off so as to switch off the third ac contactor, so that the air compressor 321 stops working (preventing the air cylinder 323 from moving over travel), and the PLC controls the electromagnetic valve 322 to be switched over so as to switch on the electromagnetic valve 322 and the lower vent port 3232 of the air cylinder 323 (preparing for closing); when the PLC receives a signal of the lower limit magnetic switch 3234, the PLC sends a signal to the first electromagnetic relay, the first electromagnetic relay is closed, so that the first ac contactor is closed, and at the same time, the PLC sends a signal to the main stream ac contactor, so that the main stream ac contactor is closed, so that the forward rotation loop of the linear motor 120 is turned on, so that the linear motor 120 rotates reversely, so that the output shaft of the linear motor 120 moves upward to drive the insulator 130 and the conductive rod 150 to move upward to realize the circuit breaking function of the circuit breaker, when the insulator 130 is about to contact with the motor housing of the linear motor 120 (the distance may be 2cm-5 cm), the upper limit travel switch contacts with the fixed rod housing 110, at this time, the lower limit travel switch sends a signal to the PLC, and after receiving the signal of the lower limit travel switch, the PLC controls the main stream ac contactor to be turned off, so that the power-off motion of the linear motor 120 is stopped (the linear motor 120 is prevented from moving over-travel), and at the same time, the PLC sends a signal to the first electromagnetic relay;
when the disassembly-free mechanism assembly device of the outdoor vacuum circuit breaker needs to be closed, the PLC sends a signal to the main road alternating current contactor, the main road alternating current contactor is closed, the linear motor 120 rotates forwards (when the first electromagnetic relay is disconnected, the second alternating current contactor is closed, and the first alternating current contactor is directly connected to a forward rotation loop), so that the output shaft of the linear motor 120 moves downwards to drive the insulator 130 and the conductive rod 150 to move downwards so as to enable the conductive rod 150 to be in contact with the fixed rod body 210, when the conductive rod 150 is in contact with the fixed rod connecting rod, the upper limiting travel switch is in contact with the fixed rod housing 110, at the moment, the upper limiting travel switch sends a signal to the PLC, and the PLC receives the signal of the upper limiting travel switch and then controls the main road alternating current contactor to be disconnected, so that the linear motor 120 stops running (the linear motor 120 is prevented from moving over travel); meanwhile, the PLC sends a signal to the second electromagnetic relay, the second electromagnetic relay is closed, so that the third ac contactor is closed, the air compressor 321 operates, the air compressor 321 injects air into the lower vent port 3232 of the air cylinder 323 through the electromagnetic valve 322, the connecting disc 3235 is pushed to move upwards, so that the air cylinder output shaft 3230 is driven to move upwards, the moving rod connecting rod 330 is driven to move upwards, so that the moving rod body 220 is pushed to contact with the fixed rod body 210 to conduct a circuit (when the circuit is conducted, the fixed rod body 210 is finally contacted with the moving rod body 220 to achieve a good arc extinguishing effect), at the moment, the connecting disc 3235 sweeps through the upper limit magnetic switch 3233, the upper limit magnetic switch 3233 generates an action and transmits a signal to the PLC, the PLC controls the second electromagnetic relay to be disconnected so that the third ac contactor is disconnected, so that the air compressor 321 stops working (the air cylinder 323 is prevented from moving beyond), and at the same time, the PLC controls the electromagnetic valve 322 to be switched to be connected with the upper vent port 3231 of the air cylinder 323 (to prepare for disconnection).
Compared with the traditional mechanical transmission, the pneumatic control is more stable and the quality is smaller, and the using effect of the disassembly-free mechanism assembly device of the outdoor vacuum circuit breaker is improved.
Preferably, the roof includes roof body 420 and bottom plate 421 down, roof body 420 down offers and is used for wearing to establish move the lower through-hole of pole housing 310, bottom plate 421 with move pole housing 310 and can dismantle the connection, bottom plate 421 with roof body 420 down can dismantle the connection, roof body 420 down with bottom plate 421 connects through lower fixing bolt 421, only needs during the dismouting to remove lower fixing bolt 421 earlier, will bottom plate 421 takes away, removes external connection's electric wire, then loosens move pole connection spiral cap 340, will move the whole taking out of pole drive assembly 3, change another and move pole drive assembly 3, move the pole drive assembly 3 that will damage and take ground to overhaul, very big reduction the time of change and maintenance.
Preferably, go up the roof including last roof body 410 and an upper fixed plate 411, go up roof body 410 and offer and be used for wearing to establish the last through-hole of deciding pole housing 110, an upper fixed plate 411 with move and decide pole housing 110 and can dismantle the connection, an upper fixed plate 411 with go up roof body 410 and can dismantle the connection, go up roof body 410 with an upper fixed plate 411 passes through fixing bolt 412 and connects, only need during the dismouting earlier with last fixing bolt 412 remove, will an upper fixed plate 411 is taken out, removes external connection's electric wire, then loosens move pole connection turncap 340, will linkage part 1 is whole to be taken out, changes another linkage part 1, takes the linkage part 1 that damages to ground and overhauls, very big reduction the time of change and maintenance.
Preferably, casing 4 still includes first external tapping, first external tapping set up in casing 4 deviates from on one side of inner space, first external tapping is connected with moving rod interface 311 electricity, first external tapping is arranged in exempting from to tear open formula mechanism assembly device with outdoor vacuum circuit breaker and is connected to external circuit, and setting up of external tapping has reduced the resolution process to the circuit to maintainer in the maintenance process, has increased the result of use that outdoor vacuum circuit breaker exempted from to tear open formula mechanism assembly device.
Preferably, casing 4 still includes the outer interface of second, the outer interface of second set up in casing 4 deviates from on one side of inner space, the outer interface of second is connected with fixed rod interface 111 electricity, the outer interface of second is arranged in exempting from to tear open formula mechanism assembly device with outdoor vacuum circuit breaker and is connected to external circuit, and the setting up of outer interface has reduced the resolution process to the circuit of maintenance personal in the maintenance process, has increased the result of use that outdoor vacuum circuit breaker exempted from to tear open formula mechanism assembly device.
The external circuit is a wire transmission line which transmits the electric power to the use end.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.
Claims (8)
1. A disassembly-free mechanism assembly device of an outdoor vacuum circuit breaker is characterized by comprising a shell, a vacuum arc extinguishing component, a moving rod driving component and a linkage component; the shell comprises an upper top plate, a lower top plate, a door plate, a rear plate and two side plates arranged between the upper top plate and the lower top plate, wherein the upper top plate and the lower top plate are parallel to each other, the door plate and the rear plate are parallel to each other and arranged between the upper top plate and the lower top plate, and the two side plates are parallel to each other and arranged between the upper top plate and the lower top plate; the upper top plate, the lower top plate, the door plate, the rear plate and the two side plates jointly enclose an inner cavity, and the vacuum arc extinguishing part, the moving rod driving part and the linkage part are all arranged in the inner cavity;
the linkage component is fixed on one side, facing the inner cavity, of the upper top plate, the moving rod driving component is fixed on one side, facing the inner cavity, of the lower top plate, and the vacuum arc extinguishing component is arranged between the moving rod driving component and the linkage component;
the vacuum arc extinguishing component comprises a fixed rod, a moving rod, a vacuum cover and an insulating elastic sleeve; the vacuum cover is arranged between the moving rod driving part and the linkage part, the fixed rod comprises a fixed rod body and a fixed rod connecting block, one part of the fixed rod body is accommodated in the vacuum cover, and the other part of the fixed rod body extends outwards towards the linkage part; the moving rod comprises a moving rod body and a moving rod connecting block, one part of the moving rod body is contained in the vacuum cover, the other part of the moving rod body extends outwards towards the moving rod driving part, and the insulating elastic sleeve is arranged between one end of the moving rod body contained in the vacuum cover and the vacuum cover;
the fixed rod connecting block is fixed on the part of the fixed rod body extending out of the vacuum cover, and the moving rod connecting block is fixed on the part of the moving rod body extending out of the vacuum cover;
the moving rod driving part is provided with a moving rod connecting screw cap used for connecting the moving rod connecting block, and the linkage part is provided with a fixed rod connecting screw cap used for connecting the fixed rod connecting block;
the moving rod driving part comprises a moving rod housing, a permanent magnet and a pneumatic part which are respectively accommodated in the moving rod housing; the moving rod encloser is fixed on one side of the lower top plate facing the inner cavity, and the permanent magnet is arranged on one side of the moving rod encloser close to the vacuum arc extinguishing component; the pneumatic component comprises an air compressor, an electromagnetic valve and an air cylinder which are connected through pipelines, and a magnetic switch arranged on the air cylinder; the moving rod driving part also comprises an insulating sheet, a moving rod connecting rod and a moving rod connecting buckle; one end of the moving rod connecting rod is contacted with the moving rod body under the fixation of the moving rod connecting rotating cap, and the other end of the moving rod connecting rod is fixed with the cylinder output shaft through the moving rod connecting buckle; the insulating sheet comprises an insulating end and a magnetic end, the insulating end of the insulating sheet is clamped between the cylinder output shaft and the moving rod connecting rod, the magnetic end is used for being matched with the permanent magnet, the moving rod housing further comprises a moving rod interface arranged on the outer surface of the moving rod housing, and the moving rod interface is electrically connected with the moving rod connecting rod through an electric wire;
the linkage component comprises a fixed rod housing, and a linear motor and an insulator which are respectively accommodated in the fixed rod housing, the fixed rod housing is fixed on one side of the upper top plate facing the inner cavity, an output shaft of the linear motor is fixedly connected with one end of the insulator, and the other end of the insulator is connected with a conductive rod; the linkage part still includes decides the pole connecting rod, decide the one end of pole connecting rod be used for with the conducting rod deviates from the one end contact of insulator, decide the other end of pole connecting rod be in decide the pole connect screw cap fixed down with decide the pole body of rod contact, decide the pole housing still including setting up decide the pole interface of pole housing surface, decide the pole interface with the conducting rod passes through the electric wire electricity and connects.
2. The disassembly-free mechanism assembly device of claim 1, further comprising a control system, wherein the control system comprises a control power supply, and a PLC, a solenoid valve, a first electromagnetic relay, a second electromagnetic relay, a first AC contactor, a second AC contactor and a third AC contactor which are respectively electrically connected with the control power supply; the first alternating current contactor and the second alternating current contactor are electrically connected with the first electromagnetic relay respectively; the third alternating current contactor is electrically connected with the second electromagnetic relay, the first electromagnetic relay and the second electromagnetic relay are respectively electrically connected with the PLC, and the electromagnetic valve is electrically connected with the PLC;
the magnetic switch comprises an upper limit magnetic switch and a lower limit magnetic switch, the upper limit magnetic switch is electrically connected with the PLC, and the lower limit magnetic switch is electrically connected with the PLC;
the control system further comprises a driving power supply and a main circuit alternating current contactor, and the main circuit alternating current contactor is electrically connected with the control power supply and the PLC respectively.
3. The disassembly-free mechanism assembly device of claim 2, wherein the third ac contactor is electrically connected to the driving power source, and the first ac contactor and the second ac contactor are electrically connected to the main ac contactor, respectively;
the driving power supply, the main-circuit alternating current contactor, the first alternating current contactor and the linear motor are sequentially connected in series to form a linear motor reverse loop; the driving power supply, the main circuit alternating current contactor, the second alternating current contactor and the linear motor are sequentially connected in series to form a forward rotation loop of the linear motor;
the driving power supply, the third alternating current contactor and the air compressor are sequentially connected in series to form an air compressor on-off loop.
4. The outdoor vacuum circuit breaker disassembly-free mechanism assembly device of claim 3, wherein the control system further comprises a travel switch, the travel switch is electrically connected with the PLC, and the travel switch is disposed on the insulator.
5. The assembly device of claim 1, wherein the lower top plate comprises a lower top plate body and a lower fixing plate, the lower top plate body is provided with a lower through hole for passing through the moving rod housing, the lower fixing plate is detachably connected with the moving rod housing, and the lower fixing plate is detachably connected with the lower top plate body.
6. The assembly device of claim 1, wherein the upper top plate comprises an upper top plate body and an upper fixing plate, the upper top plate body is provided with an upper through hole for penetrating the fixed-rod housing, the upper fixing plate is detachably connected with the fixed-rod housing, and the upper fixing plate is detachably connected with the upper top plate body.
7. The outdoor vacuum circuit breaker detachment-free mechanism assembly device of claim 1, wherein the housing further comprises a first external interface, the first external interface is disposed on a side of the housing facing away from the internal cavity, the first external interface is electrically connected to the moving rod interface, and the first external interface is used for connecting the outdoor vacuum circuit breaker detachment-free mechanism assembly device to an external circuit.
8. The outdoor vacuum circuit breaker detachment-free mechanism assembly apparatus of claim 1, wherein the housing further comprises a second external interface disposed on a side of the housing facing away from the internal cavity, the second external interface being electrically connected to the fixed rod interface, the second external interface being configured to connect the outdoor vacuum circuit breaker detachment-free mechanism assembly apparatus to an external circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011254696.2A CN112420441B (en) | 2020-11-11 | 2020-11-11 | Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011254696.2A CN112420441B (en) | 2020-11-11 | 2020-11-11 | Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112420441A CN112420441A (en) | 2021-02-26 |
| CN112420441B true CN112420441B (en) | 2023-01-31 |
Family
ID=74781513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011254696.2A Active CN112420441B (en) | 2020-11-11 | 2020-11-11 | Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112420441B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023597B (en) * | 2021-11-13 | 2024-04-16 | 安徽明远电力设备制造有限公司 | Outdoor high-voltage alternating current vacuum circuit breaker |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007003867U1 (en) * | 2007-03-13 | 2007-05-16 | Xiamen Huadian Switchgaer Co., Ltd., Xiamen | Vacuum circuit breaker tube for use in e.g. power generating plant, has insulating layer, which is combined with chamber and other components such as upper contact lead end piece and locking nut and is totally encapsulated in housing |
| CN202034297U (en) * | 2011-03-14 | 2011-11-09 | 董岳向 | Outdoor high-pressure permanent-magnet vacuum circuit breaker |
| CN202796718U (en) * | 2012-06-23 | 2013-03-13 | 浙江格立特电气设备有限公司 | Outdoor permanent-magnet vacuum circuit breaker |
| CN206098270U (en) * | 2016-08-25 | 2017-04-12 | 成都汉度科技有限公司 | Outdoor high voltage vacuum circuit breaker |
| CN206610772U (en) * | 2017-03-22 | 2017-11-03 | 广东昊阳电力建设有限公司 | Outdoor demarcation vacuum circuit breaker |
| CN209071220U (en) * | 2018-12-17 | 2019-07-05 | 湖南斯德克智能开关有限公司 | A kind of outdoor vacuum circuit breaker acid-proof erosion protection system |
| CN210575712U (en) * | 2019-12-05 | 2020-05-19 | 重庆重开电气有限公司 | Waterproof sealing device of outdoor vacuum circuit breaker pole |
| CN111799126A (en) * | 2020-07-04 | 2020-10-20 | 华翔翔能科技股份有限公司 | Indoor high-voltage vacuum load switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10796868B2 (en) * | 2019-02-11 | 2020-10-06 | Eaton Intelligent Power Limited | Thomson coil integrated moving contact in vacuum interrupter |
-
2020
- 2020-11-11 CN CN202011254696.2A patent/CN112420441B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007003867U1 (en) * | 2007-03-13 | 2007-05-16 | Xiamen Huadian Switchgaer Co., Ltd., Xiamen | Vacuum circuit breaker tube for use in e.g. power generating plant, has insulating layer, which is combined with chamber and other components such as upper contact lead end piece and locking nut and is totally encapsulated in housing |
| CN202034297U (en) * | 2011-03-14 | 2011-11-09 | 董岳向 | Outdoor high-pressure permanent-magnet vacuum circuit breaker |
| CN202796718U (en) * | 2012-06-23 | 2013-03-13 | 浙江格立特电气设备有限公司 | Outdoor permanent-magnet vacuum circuit breaker |
| CN206098270U (en) * | 2016-08-25 | 2017-04-12 | 成都汉度科技有限公司 | Outdoor high voltage vacuum circuit breaker |
| CN206610772U (en) * | 2017-03-22 | 2017-11-03 | 广东昊阳电力建设有限公司 | Outdoor demarcation vacuum circuit breaker |
| CN209071220U (en) * | 2018-12-17 | 2019-07-05 | 湖南斯德克智能开关有限公司 | A kind of outdoor vacuum circuit breaker acid-proof erosion protection system |
| CN210575712U (en) * | 2019-12-05 | 2020-05-19 | 重庆重开电气有限公司 | Waterproof sealing device of outdoor vacuum circuit breaker pole |
| CN111799126A (en) * | 2020-07-04 | 2020-10-20 | 华翔翔能科技股份有限公司 | Indoor high-voltage vacuum load switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112420441A (en) | 2021-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201022062Y (en) | Remote control high voltage separation switch | |
| CN103326250B (en) | Integrated ring main unit electric controller | |
| CN112420441B (en) | Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker | |
| CN2840304Y (en) | Indoor high-voltage three-station isolating switch | |
| CN103560026B (en) | A kind of electric multipole motor isolating switch | |
| CN211788861U (en) | Safe type cubical switchboard of long-life | |
| CN103489696A (en) | 10kV box type double-break vacuum circuit beaker of built-in disconnector structure | |
| CN202167401U (en) | Intelligent outdoor high-voltage AC bus grounding switch | |
| CN106921122B (en) | Environment-friendly gas all-insulation all-sealed miniaturized switch cabinet | |
| CN201796802U (en) | High-pressure gas insulating load switch | |
| CN210015798U (en) | Bridge type moving contact dual-power automatic transfer switch | |
| CN207234268U (en) | Minimize outdoor ring network case | |
| CN201570420U (en) | Indoor high-voltage three-position disconnecting switch | |
| CN201576603U (en) | Dual-pole horizontal rotary type outdoor three-phase high-voltage alternating current isolating switch | |
| CN206558427U (en) | Outdoor high-voltage vacuum circuit breaker | |
| CN201210461Y (en) | 35kV outdoor AC high isolating switch | |
| CN219778767U (en) | High-voltage vacuum circuit breaker | |
| CN111341597A (en) | Outdoor isolating switch | |
| CN215497695U (en) | Full-automatic control system of high tension switchgear | |
| CN219553509U (en) | Permanent magnet vacuum circuit breaker capable of prolonging service life of electric arc furnace | |
| CN212303582U (en) | Overload protection circuit breaker switch | |
| CN213242369U (en) | Novel outdoor high-voltage isolating switch | |
| CN215008052U (en) | Outdoor AC high-voltage vacuum circuit breaker | |
| CN214478712U (en) | Integrated control cabinet | |
| CN2335252Y (en) | Electromagnetic ac contactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A detachable mechanism assembly device for outdoor vacuum circuit breakers Effective date of registration: 20231106 Granted publication date: 20230131 Pledgee: China Co. truction Bank Corp Yiyang branch Pledgor: Huaxiang XiangNeng Technology Co.,Ltd. Registration number: Y2023980063452 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |