CN109586266A - A kind of safe and efficient electrical equipment high-voltage and current-limitation device - Google Patents
A kind of safe and efficient electrical equipment high-voltage and current-limitation device Download PDFInfo
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- CN109586266A CN109586266A CN201811560456.8A CN201811560456A CN109586266A CN 109586266 A CN109586266 A CN 109586266A CN 201811560456 A CN201811560456 A CN 201811560456A CN 109586266 A CN109586266 A CN 109586266A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
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Abstract
The invention discloses a kind of safe and efficient electrical equipment high-voltage and current-limitation devices, belong to current-limiting apparatus technical field.A kind of safe and efficient electrical equipment high-voltage and current-limitation device, including power distribution cabinet and integrated circuit board, the lower end of power distribution cabinet is fixedly connected with into electric lead and electric lead out, integrated circuit board is fixedly mounted on inside power distribution cabinet, electric lead and electric lead is electrically connected with integrated circuit board out, the upper end of integrated circuit board is fixedly installed with status indicator lamp, pass through status indicator lamp, it can intuitively observe whether the circuit of electrical equipment is in normal working condition, the first isolation plug-in strip is provided with below status indicator lamp, plug-in strip is isolated in second isolation plug-in strip and third, first isolation plug-in strip, second isolation plug-in strip and third isolation plug-in strip are fixedly connected with integrated circuit board；The present invention effectively solves the problems, such as that existing design series connection can generate huge reactive loss in circuit and can not overhaul in case of constant power to power circuit.
Description
Technical field
The present invention relates to current-limiting apparatus technical field, specially a kind of safe and efficient electrical equipment high-voltage and current-limitation device.
Background technique
With the development of economy, the sharp increase of electric load, the increase of electrical network capacity, the short circuit current constantly increased is to electricity
The impact of Force system electrical equipment is also increasing；Meanwhile existing breaker has been difficult to cut-off huge short circuit current.Therefore it is
This great difficult problem is solved, current limiting element is concatenated the mode in circuit and is widely used in electric system electrical power trans mission/distribution system,
The high-voltage and current-limitation device of electrical equipment also comes into being simultaneously.
When already existing electrical equipment high-voltage and current-limitation device is connected in the loop on the market at present, though short-circuit electricity can be limited
Intensity of flow reduces impact of the short circuit current to electrical equipment, but generates in high-voltage and current-limitation device series loop huge idle
Loss also causes very big financial burden to user；In addition to this, many electrical equipment is can not to power off on the market at present,
Once power-off will cause huge economic loss and even cause confusion, and existing high-voltage and current-limitation device can not on the market
Solve the problems, such as this.
Summary of the invention
1. the technical problem to be solved in the present invention
The purpose of the present invention is to provide a kind of safe and efficient electrical equipment high-voltage and current-limitation devices, to solve above-mentioned background technique
The problem of middle proposition:
(1) existing design series connection can lead to the problem of huge reactive loss in circuit；
(2) the problem of existing design can not in case of constant power overhaul power circuit.
2. technical solution
To achieve the above object, the invention provides the following technical scheme:
A kind of safe and efficient electrical equipment high-voltage and current-limitation device, including power distribution cabinet and integrated circuit board, under the power distribution cabinet
End is fixedly connected with into electric lead and electric lead, the integrated circuit board are fixedly mounted on inside power distribution cabinet out, the electric lead
Electric lead is electrically connected with integrated circuit board out, and the upper end of the integrated circuit board is fixedly installed with status indicator lamp, passes through shape
State indicator light, can intuitively observe whether the circuit of electrical equipment is in normal working condition, the status indicator lamp
Lower section is provided with the first isolation plug-in strip, the second isolation plug-in strip and third isolation plug-in strip, the first isolation plug-in strip, the second isolation lock
Knife and third isolation plug-in strip are fixedly connected with integrated circuit board, and conducting bracket, institute are also fixedly connected on the integrated circuit board
It states and is fixedly connected with high pressure quick break fuse, zinc oxide current limliting bar and electric discharge damper, the lower end of the power distribution cabinet on conducting bracket
It is provided with vacuum vortex switch, the bottom end of the vacuum vortex switch is fixedly connected with mounting base, and the vacuum vortex switch is logical
Mounting base is crossed to be fixedly mounted on the inner bottom surface of power distribution cabinet；The zinc oxide current limliting bar, the first isolation plug-in strip and the second isolation lock
Knife is connected on into electric lead by integrated circuit board and out between electric lead, the high pressure quick break fuse by integrated circuit board simultaneously
Zinc oxide current limliting bar both ends are associated in, the electric discharge damper is connected in parallel on zinc oxide current limliting bar two after connecting with vacuum vortex switch
End, third isolation plug-in strip by integrated circuit board one end be connected electrically in the first isolation plug-in strip into electric end, the other end is electrically connected
The current output terminal in the second isolation plug-in strip is connect, in use, when occurring short-circuit conditions in circuit, the fusing of high pressure quick break fuse generates arc voltage
Zinc oxide current limliting bar is connected, itself generates a larger impedance after the conducting of zinc oxide current limliting bar, it can effective limiting short-circuit current
Intensity, greatly reduce harm of the short trouble to electrical equipment in electric system, status indicator lamp trouble light lights, meanwhile,
The controller of vacuum vortex switch will close a floodgate immediately after perceiving short circuit, and zinc oxide current limliting bar is shorted, zinc oxide current limliting is avoided
Bar connects generate huge reactive loss in circuit for a long time, causes unnecessary loss, guarantees the normal work of device noumenon；
After short trouble occurs in circuit, user can close third by opening the first isolation plug-in strip and the second isolation plug-in strip
Plug-in strip is isolated, enables stand-by circuit, so as to guarantee to complete circuit event in the case where not influencing electrical equipment and operating normally
The maintenance of barrier.
Preferably, the vacuum vortex switch includes epoxy resin pole, solid on the inner wall of the epoxy resin pole
Surely it is connected with barricade, vacuum interrupter is provided with below the barricade, is also fixedly connected with ripple on the barricade
Pipe, the bellows interior are connected with flexible lamp guide rod, and the bottom end of the flexible lamp guide rod is fixedly connected with movable contact,
It is provided with fixed conductance bar below the movable contact, the fixed conductance bar is fixedly connected on the bottom end of epoxy resin pole,
The top of the fixed conductance bar is fixedly connected with fixed contact, and removable cover is additionally provided with above the barricade, described
Lower wire end and upper outlet terminal, vacuum interrupter have been respectively fixedly connected on the bottom end of epoxy resin pole and removable cover
With excellent insulating properties, after circuit circuit, rapid blow-out can be played the role of and inhibit electric current.
Preferably, it being provided with linkage mechanism above the removable cover, the linkage mechanism side is provided with driving mechanism,
The top of the linkage mechanism is provided with sealing cover, and the inside of the epoxy resin pole is additionally provided with gas generating unit, institute
It states gas generating unit to be fixedly connected with removable cover upper surface, exhaust pipe is provided on the side wall of the sealing cover, it is described
Exhaust outlet is provided on the top side wall of epoxy resin pole, the exhaust pipe matches with exhaust outlet, and the gas occurs
Controller is also fixedly connected on device, controller can sense the abnormal current in circuit and make a response rapidly,
Short-circuit conditions are handled.
Preferably, the linkage mechanism includes rotation mobile jib and rotation secondary bar, and the bottom activity of the rotation mobile jib connects
It is connected to envelope bar, the internal helicoid of the rotation secondary bar is connected with threaded rod, and the upper end of the rotation secondary bar is fixedly connected with torsional spring
Piece, the inside of the threaded rod is additionally provided with eddy current drive, and when linkage mechanism ensure that short circuit occurs for circuit, vacuum vortex is opened
Pass can make a response rapidly.
Preferably, the eddy current drive includes insulated pull rod, and the insulated pull rod is movably arranged on the interior of threaded rod
The top in portion, the insulated pull rod is fixedly connected with sealing cover, and the fixed even contact bullet in the bottom end of the insulated pull rod is yellow, the touching
Head spring is fixedly connected with the top of flexible lamp guide rod, and touch spring and the active conductive bar of eddy current drive match.
Preferably, the driving mechanism includes driving motor, is fixedly connected with and turns on the output shaft of the driving motor
Lever, is fixedly installed with clutch around the rotating bar, and the top of the rotating bar is fixedly connected with runner, on the runner
Being intertwined and connected has line of pull, and one end of the line of pull is fixedly connected with torsion film, and driving mechanism is when short circuit occurs for circuit, energy
Enough driving linkage mechanism makes corresponding reaction and processing.
Preferably, the controller includes shell, and limited post, the inside of the shell are fixedly connected on the shell
It is fixedly installed with lower terminal, pilot hole and lower contact jaw are provided on the lower terminal, is fixed above the lower terminal
Ceramic thermal resistance is installed, high resistance elastic slice is fixedly installed with above the ceramic thermal resistance, the top of the shell is solid
Surely it is connected with top shell, the inside of the top shell is fixedly installed with curved elastic slice, is also fixedly connected on the side wall of the top shell
Side terminal is provided with contact jaw on the upper terminal, and controller experiences short circuit current, and high resistance elastic slice will occur curved
Qu Xianxiang disconnects contact head and lower terminal so that upper terminal be jacked up, so that circuit is disconnected, starting driving later
Torsion film unclamps in mechanism starts turning rotation secondary bar, so that threaded rod be driven to start rapid increase, the speed and torsional spring of rising
The performance of piece is related, and due to holding high pressure inside device, can generate a thrust and accelerate insulated pull rod rapid increase, thus
Movable contact is driven to rise, to make after middle short circuit rapid blow-out and to press down by the superior isolation in vacuum extinction room
Electric current processed, vacuum vortex switch is used cooperatively with electric discharge damper, after short circuit, Current Voltage can be made to stablize rapidly
Get off, under the premise of protecting electrical equipment not damaged, guarantees that electrical equipment can continue to stablize normal work.
3. beneficial effect
(1) for the present invention after short-circuit conditions occurs in circuit, the fusing of high pressure quick break fuse, which generates arc voltage, is connected zinc oxide current limliting bar,
Zinc oxide current limliting bar conducting after itself generate a larger impedance, can effectively limiting short-circuit current intensity, greatly reduce short circuit
Harm of the failure to electrical equipment in electric system, status indicator lamp trouble light light, meanwhile, the controller of vacuum vortex switch
It perceives after short circuit that high resistance elastic slice will bending phenomenon occurs, so that upper terminal be jacked up, makes contact head and lower terminal
It disconnects, so that circuit be made to disconnect, starting driving mechanism release torsion film later starts turning rotation secondary bar, to drive screw thread
Bar starts rapid increase, and the speed of rising and the performance of torsion film are related, and due to keeping high pressure inside device, can generate one
A thrust accelerates insulated pull rod rapid increase, to drive movable contact to rise, thus by excellent exhausted in vacuum extinction room
Edge makes after short circuit blow-out and to inhibit electric current rapidly, and vacuum vortex switch is used cooperatively with the damper that discharges, in circuit
After short circuit, rapidly Current Voltage can be settled out, under the premise of protecting electrical equipment not damaged, guarantee is electrically set
It is standby to continue to stablize normal work, while being also shorted zinc oxide current limliting bar, avoid zinc oxide current limliting bar from connecing for a long time
Huge reactive loss is generated in circuit, causes unnecessary loss, using above-mentioned design, efficiently solves existing design series connection
Huge reactive loss can be led to the problem of in circuit；
(2) for the present invention after short trouble occurs in circuit, user can be by opening the first isolation plug-in strip and the second isolation lock
Knife closes third isolation plug-in strip, enables stand-by circuit, so as to guarantee in the case where not influencing electrical equipment normal operation
The maintenance of fault is completed, and after route troubleshooting, detect that electric current restores normal, then can make the pottery in controller
Porcelain thermistor heating, to heat up to high resistance elastic slice thereon, it will make high resistance elastic slice be heated rapid deformation, send out
Raw the phenomenon that being bent downwardly, so that contact head decline be made to be in contact with lower terminal, circuit restores normal at this time, and electric current passes through drive
Motivation structure promotes torsion film to reset, and drives rotation secondary bar to start turning, so that threaded rod be driven to begin to decline, drives the exhausted of bottom
The decline of edge pull rod so that movable contact decline be driven to be in contact with fixed contact, and can also when ceramic thermal resistance heating
The effect heated to gas generating unit one makes it generate gas and keeps internal high pressure, and internal gas is protection gas, can
It is injured with reducing air to the corrosion of element.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is electrical block diagram figure of the invention；
Fig. 3 is the schematic diagram of the section structure of vacuum vortex switch of the invention；
Fig. 4 is the structural schematic diagram of linkage structure of the invention；
Fig. 5 is the structural schematic diagram of eddy current drive of the invention；
Fig. 6 is the structural schematic diagram of driving mechanism of the invention；
Fig. 7 is the structural schematic diagram of controller of the invention.
Figure label explanation:
1, power distribution cabinet；2, into electric lead；3, go out electric lead；4, integrated circuit board；5, status indicator lamp；6, the first isolation plug-in strip；
7, the second isolation plug-in strip；8, plug-in strip is isolated in third；9, conducting bracket；10, high pressure quick break fuse；11, zinc oxide current limliting bar；12,
Discharge damper；13, vacuum vortex switch；14, mounting base；15, epoxy resin pole；16, barricade；17, vacuum interrupter；
18, bellows；19, active conductive bar；20, movable contact；21, fixed conductance bar；22, fixed contact；23, removable cover；24,
Lower wire end；25, upper outlet terminal；26, linkage mechanism；27, driving mechanism；28, sealing cover；29, gas generating unit；
30, exhaust pipe；31, exhaust outlet；32, mobile jib is rotated；33, secondary bar is rotated；34, bar is sealed；35, threaded rod；36, torsion film；37,
Insulated pull rod；38, touch spring；39, driving motor；40, rotating bar；41, clutch；42, runner；43, line of pull；44, shell
Body；45, limited post；46, lower terminal；47, pilot hole；48, lower contact jaw；49, ceramic thermal resistance；50, high resistance elastic slice；
51, top shell；52, curved elastic slice；53, upper terminal；54, upper contact jaw；55, controller.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of safe and efficient electrical equipment high-voltage and current-limitation device referring to FIG. 1-2, including power distribution cabinet 1 and integrated circuit board 4,
The lower end of power distribution cabinet 1 is fixedly connected with into electric lead 2 and electric lead 3, integrated circuit board 4 are fixedly mounted on inside power distribution cabinet 1 out,
Electric lead 2 and electric lead 3 is electrically connected with integrated circuit board 4 out, the upper end of integrated circuit board 4 is fixedly installed with status indicator lamp 5,
The first isolation plug-in strip 6, second isolation plug-in strip 7 and third isolation plug-in strip 8, the first isolation plug-in strip are provided with below status indicator lamp 5
6, the second isolation plug-in strip 7 and third isolation plug-in strip 8 are fixedly connected with integrated circuit board 4, are also fixedly connected on integrated circuit board 4
Conducting bracket 9 is fixedly connected with high pressure quick break fuse 10, zinc oxide current limliting bar 11 and electric discharge damper 12 on conducting bracket 9, matches
The lower end of electric cabinet 1 is provided with vacuum vortex switch 13, and the bottom end of vacuum vortex switch 13 is fixedly connected with mounting base 14, vacuum whirlpool
Stream switch 13 is fixedly mounted on the inner bottom surface of power distribution cabinet 1 by mounting base 14；Plug-in strip 6 is isolated in zinc oxide current limliting bar 11, first
And second isolation plug-in strip 7 be connected on by integrated circuit board 4 into electric lead 2 and out between electric lead 3, high pressure quick break fuse 10 is logical
It crosses integrated circuit board 4 and is connected in parallel on 11 both ends of zinc oxide current limliting bar, electric discharge damper 12 is in parallel after connecting with vacuum vortex switch 13
At 11 both ends of zinc oxide current limliting bar, third is isolated plug-in strip 8 and is connected electrically in the first isolation plug-in strip 6 by 4 one end of integrated circuit board
Into electric end, the other end is connected electrically in the current output terminal of the second isolation plug-in strip 7.
In use, the fusing of high pressure quick break fuse 10, which generates arc voltage, makes zinc oxide current limliting bar when occurring short-circuit conditions in circuit
11 conducting, zinc oxide current limliting bar 11 be connected after itself generate a larger impedance, can effectively limiting short-circuit current intensity, significantly
Reducing harm of the short trouble to electrical equipment in electric system, 5 trouble light of status indicator lamp lights, meanwhile, vacuum vortex is opened
The controller 55 of pass 13 will close a floodgate immediately after perceiving short circuit, and zinc oxide current limliting bar 11 is shorted, zinc oxide current limliting bar 11 is avoided
It connects for a long time and generates huge reactive loss in circuit, cause unnecessary loss, guarantee the normal work of device noumenon；When
After short trouble occurs in circuit, user can close third by opening the first isolation plug-in strip 6 and the second isolation plug-in strip 7
Plug-in strip 8 is isolated, enables stand-by circuit, so as to guarantee to complete circuit event in the case where not influencing electrical equipment and operating normally
The maintenance of barrier.
Embodiment 2:
Fig. 3-6 is please referred to, the 1 different place in basis is that it includes asphalt mixtures modified by epoxy resin that vacuum, which is vortexed switch 13, in conjunction with the embodiments
Rouge pole 15 is fixedly connected with barricade 16 on the inner wall of epoxy resin pole 15, and the lower section of barricade 16 is provided with vacuum and goes out
Arc chamber 17 is also fixedly connected with bellows 18 on barricade 16, and 18 internal activity of bellows is connected with flexible lamp guide rod 19, activity
The bottom end of conductance bar 19 is fixedly connected with movable contact 20, and fixed conductance bar 21, fixed conductance are provided with below movable contact 20
Bar 21 is fixedly connected on the bottom end of epoxy resin pole 15, and the top of fixed conductance bar 21 is fixedly connected with fixed contact 22, shields
The top of shield plate 16 is additionally provided with removable cover 23, is respectively fixedly connected on the bottom end of epoxy resin pole 15 and removable cover 23
There are lower wire end 24 and upper outlet terminal 25.
Linkage mechanism 26 is provided with above removable cover 23,26 side of linkage mechanism is provided with driving mechanism 27, gear
The top of structure 26 is provided with sealing cover 28, and the inside of epoxy resin pole 15 is additionally provided with gas generating unit 29, and gas occurs
Device 29 is fixedly connected with 23 upper surface of removable cover, and exhaust pipe 30, epoxy resin pole are provided on the side wall of sealing cover 28
Exhaust outlet 31 is provided on the top side wall of column 15, exhaust pipe 30 matches with exhaust outlet 31, on gas generating unit 29 also
It is fixedly connected with controller 55.
Linkage mechanism 26 includes rotation mobile jib 32 and rotation secondary bar 33, and the bottom of rotation mobile jib 32 is connected with envelope bar
34, the internal helicoid of rotation secondary bar 33 is connected with threaded rod 35, and the upper end of rotation secondary bar 33 is fixedly connected with torsion film 36, screw thread
The inside of bar 35 is additionally provided with eddy current drive.
Eddy current drive includes insulated pull rod 37, and insulated pull rod 37 is movably arranged on the inside of threaded rod 35, and insulation is drawn
The top of bar 37 is fixedly connected with sealing cover 28, and the bottom end fixation of insulated pull rod 37 connects contact bullet Huang 38, touch spring 38 and work
The top of dynamic conductance bar 19 is fixedly connected.
Driving mechanism 27 includes driving motor 39, and rotating bar 40 is fixedly connected on the output shaft of driving motor 39, is turned
Clutch 41 is fixedly installed with around lever 40, the top of rotating bar 40 is fixedly connected with runner 42, is intertwined and connected on runner 42
There is line of pull 43, one end of line of pull 43 is fixedly connected with torsion film 36.
In use, controller 55 senses abnormal current and signal is passed to driving structure 27, start driving motor 39
Unclamping torsion film 36 starts turning rotation secondary bar 33, so that threaded rod 35 be driven to start rapid increase, the speed and torsion of rising
The performance of reed 36 is related, and due to keeping high pressure inside device, can generate a thrust accelerate insulated pull rod 37 quickly on
It rises, to drive movable contact 20 to rise, thus can be fast after making short circuit by the superior isolation in vacuum interrupter 17
Fast blow-out simultaneously inhibits electric current, and after fault exclusion, detect that electric current restores normal, electric current is promoted by driving motor 39
Torsion film 36 resets, and drives rotation secondary bar 33 to start turning, so that threaded rod 35 be driven to begin to decline, the insulation of bottom is driven to draw
Bar 37 declines, to drive the decline of movable contact 20 to be in contact with fixed contact 22, and when ceramic thermal resistance 49 heats up
Also it can be made to generate gas and keep internal high pressure, and internal gas is to protect to the effect of gas generating unit 29 1 heating
Protect gas, it is possible to reduce air injures the corrosion of element.
Embodiment 3:
Referring to Fig. 7, the 2 different place in basis is in conjunction with the embodiments, controller 55 includes shell 44, on shell 44
It is fixedly connected with limited post 45, the inside of shell 44 is fixedly installed with lower terminal 46, is provided with pilot hole on lower terminal 46
47 and lower contact jaw 48, it is fixedly installed with ceramic thermal resistance 49 above lower terminal 46, it is fixed above ceramic thermal resistance 49
High resistance elastic slice 50 is installed, the top of shell 44 is fixedly connected with top shell 51, and the inside of top shell 51 is fixedly installed with curved bullet
Piece 52 is also fixedly connected with upper terminal 53 on the side wall of top shell 51, contact jaw 54 is provided on upper terminal 53.
In use, controller 55 experiences the abnormal current generated when short circuit, high resistance elastic slice 50 will occur curved
Qu Xianxiang disconnects contact jaw and lower terminal 46, so that circuit be made to disconnect so that upper terminal 53 be jacked up；At failure
After reason finishes, the ceramic thermal resistance 49 in controller 55 is made to heat up, thus heat up to high resistance elastic slice 50 thereon,
High resistance elastic slice 50 will be made to be heated rapid deformation, there is a phenomenon where being bent downwardly, so that contact head be made to decline and lower terminal
46 are in contact, and circuit restores normal at this time.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (7)
1. a kind of safe and efficient electrical equipment high-voltage and current-limitation device, including power distribution cabinet (1) and integrated circuit board (4), feature
Be: the lower end of the power distribution cabinet (1) is fixedly connected with into electric lead (2) and electric lead (3) out, the integrated circuit board (4)
It is internal to be fixedly mounted on power distribution cabinet (1), the electric lead (2) and electric lead (3) is electrically connected with integrated circuit board (4) out is described
The upper end of integrated circuit board (4) is fixedly installed with status indicator lamp (5), be provided with below the status indicator lamp (5) first every
From plug-in strip (6), the second isolation plug-in strip (7) and third isolation plug-in strip (8), first isolation plug-in strip (6), the second isolation plug-in strip
(7) it is fixedly connected with third isolation plug-in strip (8) with integrated circuit board (4), is also fixedly connected with and leads on the integrated circuit board (4)
Electric bracket (9) is fixedly connected with high pressure quick break fuse (10), zinc oxide current limliting bar (11) and electric discharge on the conducting bracket (9)
Damper (12), the lower end of the power distribution cabinet (1) are provided with vacuum vortex switch (13), the bottom of the vacuum vortex switch (13)
End is fixedly connected with mounting base (14), and the vacuum vortex switch (13) is fixedly mounted on power distribution cabinet (1) by mounting base (14)
Inner bottom surface on；The zinc oxide current limliting bar (11), the first isolation plug-in strip (6) and the second isolation plug-in strip (7) pass through integrated circuit
Plate (4) is connected on into electric lead (2) and out between electric lead (3), and the high pressure quick break fuse (10) passes through integrated circuit board (4)
Zinc oxide current limliting bar (11) both ends are connected in parallel on, the electric discharge damper (12) is vortexed after switch (13) is connected with vacuum and is connected in parallel on oxygen
Change zinc current limliting bar (11) both ends, third isolation plug-in strip (8) is connected electrically in the first isolation lock by integrated circuit board (4) one end
Knife (6) into electric end, the other end is connected electrically in the current output terminal of the second isolation plug-in strip (7).
2. a kind of safe and efficient electrical equipment high-voltage and current-limitation device according to claim 1, it is characterised in that: described true
Sky vortex switch (13) includes epoxy resin pole (15), is fixedly connected with screen on the inner wall of the epoxy resin pole (15)
Shield plate (16) is provided with vacuum interrupter (17) below the barricade (16), is also fixedly connected on the barricade (16)
Have bellows (18), bellows (18) internal activity is connected with flexible lamp guide rod (19), the flexible lamp guide rod (19)
Bottom end is fixedly connected with movable contact (20), is provided with fixed conductance bar (21), the fixation below the movable contact (20)
Conductance bar (21) is fixedly connected on the bottom end of epoxy resin pole (15), and the top of the fixed conductance bar (21) is fixedly connected with
Fixed contact (22) is additionally provided with removable cover (23) above the barricade (16), the epoxy resin pole (15)
Lower wire end (24) and upper outlet terminal (25) have been respectively fixedly connected on bottom end and removable cover (23).
3. a kind of safe and efficient electrical equipment high-voltage and current-limitation device according to claim 2, it is characterised in that: the work
It is provided with linkage mechanism (26) above dynamic cover board (23), linkage mechanism (26) side is provided with driving mechanism (27), described
The top of linkage mechanism (26) is provided with sealing cover (28), and the inside of the epoxy resin pole (15) is additionally provided with gas
Device (29), the gas generating unit (29) are fixedly connected with removable cover (23) upper surface, the side of the sealing cover (28)
It is provided on wall exhaust pipe (30), is provided with exhaust outlet (31) on the top side wall of the epoxy resin pole (15), it is described
Exhaust pipe (30) matches with exhaust outlet (31), is also fixedly connected with controller (55) on the gas generating unit (29).
4. a kind of safe and efficient electrical equipment high-voltage and current-limitation device according to claim 3, it is characterised in that: described
Motivation structure (26) includes rotation mobile jib (32) and rotation secondary bar (33), and the bottom of rotation mobile jib (32) is connected with envelope
The internal helicoid of bar (34), rotation secondary bar (33) is connected with threaded rod (35), and the upper end of rotation secondary bar (33) is fixed
It is connected with torsion film (36), the inside of the threaded rod (35) is additionally provided with eddy current drive.
5. a kind of safe and efficient electrical equipment high-voltage and current-limitation device according to claim 4, it is characterised in that: the whirlpool
Stream driver includes insulated pull rod (37), and the insulated pull rod (37) is movably arranged on the inside of threaded rod (35), described exhausted
The top of edge pull rod (37) is fixedly connected with sealing cover (28), and the fixed even contact bullet in the bottom end of the insulated pull rod (37) is yellow
(38), the touch spring (38) is fixedly connected with the top of flexible lamp guide rod (19).
6. a kind of safe and efficient electrical equipment high-voltage and current-limitation device according to claim 3, it is characterised in that: the drive
Motivation structure (27) includes driving motor (39), is fixedly connected with rotating bar (40) on the output shaft of the driving motor (39),
It is fixedly installed with clutch (41) around the rotating bar (40), the top of the rotating bar (40) is fixedly connected with runner
(42), being intertwined and connected on the runner (42) has line of pull (43), and one end and torsion film (36) of the line of pull (43) are fixed
Connection.
7. a kind of safe and efficient electrical equipment high-voltage and current-limitation device according to claim 3, it is characterised in that: the control
Device (55) processed includes shell (44), is fixedly connected with limited post (45) on the shell (44), the inside of the shell (44)
It is fixedly installed with lower terminal (46), pilot hole (47) and lower contact jaw (48) is provided on the lower terminal (46), it is described
It is fixedly installed with ceramic thermal resistance (49) above lower terminal (46), is fixedly installed with above the ceramic thermal resistance (49)
The top of high resistance elastic slice (50), the shell (44) is fixedly connected with top shell (51), the fixed peace in the inside of the top shell (51)
Equipped with curved elastic slice (52), upper terminal (53), the upper terminal are also fixedly connected on the side wall of the top shell (51)
(53) contact jaw (54) are provided on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560456.8A CN109586266B (en) | 2018-12-20 | 2018-12-20 | Safe and efficient high-voltage current limiting device for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560456.8A CN109586266B (en) | 2018-12-20 | 2018-12-20 | Safe and efficient high-voltage current limiting device for electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109586266A true CN109586266A (en) | 2019-04-05 |
| CN109586266B CN109586266B (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811560456.8A Active CN109586266B (en) | 2018-12-20 | 2018-12-20 | Safe and efficient high-voltage current limiting device for electrical equipment |
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| CN (1) | CN109586266B (en) |
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| CN110187226A (en) * | 2019-06-28 | 2019-08-30 | 无锡宏广电容器有限公司 | Polypropylene film capacitor short circuit dischange device |
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| CN109586266B (en) | 2020-10-16 |
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