CN110011284A - A kind of electric network composition of the switchette station anti-overstep tripping suitable for Urban House - Google Patents
A kind of electric network composition of the switchette station anti-overstep tripping suitable for Urban House Download PDFInfo
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- CN110011284A CN110011284A CN201910230510.0A CN201910230510A CN110011284A CN 110011284 A CN110011284 A CN 110011284A CN 201910230510 A CN201910230510 A CN 201910230510A CN 110011284 A CN110011284 A CN 110011284A
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- cap
- urban house
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/28—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for meshed systems
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Abstract
The invention discloses a kind of electric network compositions of switchette station anti-overstep tripping suitable for Urban House, its structure includes: coupling box, digital display, rate-of-change relay, magnetic support button, shell mask, breaker square chest, accumulator box, line cap compression bonding apparatus, the present invention, which is realized, to be matched with breaker square chest with line cap compression bonding apparatus, pass through power transformation conducting wire patch cap shaft bar cover, folded plate transmission rotation of insulating in dash current malfunction presses inclined the end of a thread to form open circuit protection effect, the cap square groove of closing contact is set up on each air switch lock of switchyard, make the filtering shielding action that the wire jumper built-up circuit for wanting overstepping is obtained to pin column casing closing insulation arc extinguishing, I-shaped merogenesis column is set to rotate the segmented treatment effect to form an insulation folded plate, reach the combing protection buried in single pair single lead, separated time is examined when also facilitating maintenance It surveys, when realizing tripping, it is high that armature bracket on-off is attracted definition, ensures that Urban House power grid security accurately trips protection circuit effect.
Description
Technical field
The present invention is a kind of electric network composition of switchette station anti-overstep tripping suitable for Urban House, belongs to city electricity
Web frame field.
Background technique
Work between the electric substation and switchyard of Urban House distribution is to carry out supplying with electrical transmission by high voltage transmission line tower
, this is very stringent to the architectural requirements of urban distribution network, and the connection that collects of total lock and electric substation that switchyard docks one by one needs
Refinement degree is high, allows safety when people's power demand to be protected, the common disadvantage to be optimized of technology has at present:
Due to the time limit setting value very little of switchyard, switchyard, which uses, goes shunting mode to trip, once electric substation is prior to opening
Station tripping is closed, fault current has been cut off, then switchyard switch will cannot trip because losing separating brake electric current；At this point, electric substation
Outlet switch just merges on faulty line in reclosing, leads to unsuccessful reclosing, line failure occur in switchyard
When, it may appear that switchyard does not trip, and the tripping of electric substation's outlet switch causes the overstepping of combined floodgate dash current generation malfunction
The case where phenomenon also influences other switch gearings tripping of switchyard simultaneously, causes circuit disorder.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of switchette stations suitable for Urban House
The electric network composition of anti-overstep tripping, to solve the time limit setting value very little due to switchyard, switchyard, which uses, goes shunting mode to jump
Lock, once electric substation prior to switchyard trip, cut off fault current, then switchyard switch will because lose separating brake electric current without
It can tripping；At this point, electric substation's outlet switch in reclosing, just merges on faulty line, leads to unsuccessful reclosing, switching
When there is line failure in station, it may appear that switchyard does not trip, and the tripping of electric substation's outlet switch causes combined floodgate dash current
The case where generating the overstepping phenomenon of malfunction, also influencing other switch gearings tripping of switchyard simultaneously, cause circuit disorder
The problem of.
To achieve the goals above, the present invention is to realize by the following technical solutions: one kind being suitable for Urban House
Switchette station anti-overstep tripping electric network composition, structure includes: coupling box, digital display, rate-of-change relay, magnetic support
Button, shell mask, breaker square chest, accumulator box, line cap compression bonding apparatus, on rear side of the digital display and rate-of-change relay
Pin plate is electrically connected by the circuit board of line cap compression bonding apparatus with the pin of accumulator box, the bottom surface of the coupling box and battery
The two sides up and down of breaker square chest are tightly attached in the top surface of case respectively, after the line cap compression bonding apparatus is inserted inside coupling box
Side, the digital display is in the same vertical plane with rate-of-change relay and inserts embedded in the front side of coupling box, the magnetic
Seat button is in alignment equipped with more than two horizontal Tiles and is mechanically connected with breaker square chest, the coupling box, breaker
Square chest, accumulator box are mounted on the inside of shell mask, and the line cap compression bonding apparatus is equipped with line cap shaft bar cover, insulation folded plate, PC
Circuit board, I-shaped merogenesis column, power transformation conducting wire, helical gear, roll shaft motor, the line cap shaft bar cover pass through shaft and the folded plate that insulate
Through-hole mechanical connection and the two are equipped with more than two and vertical in alignment side by side, the runner of the line cap shaft bar cover and change
The line end in electric lead middle section snaps together, and the right end of the power transformation conducting wire is electrically connected with the left side of PC circuit board, the I-shaped
Merogenesis column extends vertically through the inside of line cap shaft bar cover, and the bottom end of the I-shaped merogenesis column passes through helical gear bottom surface and roll shaft motor
Roller disk mechanical connection, the helical gear is nested under the bottom end of I-shaped merogenesis column, and the I-shaped merogenesis column, which is inserted, is embedded in separated time
Rear side inside case, the PC circuit board are electrically connected with accumulator box.
To optimize above-mentioned technical proposal, the measure further taken are as follows:
As a further improvement of the present invention, the breaker square chest is opened by iron plate balladeur train, top plate, interval cabinet, air
Barrier gate, armature bracket composition, the iron plate balladeur train are gap-matched with top plate, and the drag-line of the iron plate balladeur train passes through air switch
The rotating plate of lock and the upper left corner of armature bracket are mechanically connected, and the iron plate balladeur train, top plate, air switch lock, armature bracket are nested in
The left side of interval cabinet.
As a further improvement of the present invention, the line cap shaft bar cover is made of cap square groove, female end shaft, cigarette wheel,
The left end of the female end shaft is inserted embedded in the right side in cigarette wheel axle center, and the cap square groove is nested in the left end of female end shaft, institute
The outer surface for stating cigarette wheel is connect with the internal activity of cap square groove.
As a further improvement of the present invention, the insulation folded plate is by pin column casing, ball chuck clinching device, two-fold side plate, thickness
Frame ring composition, the pin column casing set there are three and it is vertical in alignment side by side and insert embedded in the upper left corner of two-fold side plate,
Using being interference fitted, the ball chuck clinching device sets there are two and is installed in two-fold side plate for the two-fold side plate and thick frame ring
It is internal.
As a further improvement of the present invention, the pin column casing is by pin square piece, sleeve groove, one chip microcomputer, column casing
Shell, copper wire line composition, the pin square piece are nested on the top of sleeve groove, and the pin square piece passes through one chip microcomputer and copper
Silk thread electrical connection, the sleeve groove is nested in integrally with column casing shell and axle center is conllinear.
As a further improvement of the present invention, the ball chuck clinching device is by trapezoidal left-hand thread plate, cavity spherical shell, swing rod, press
Board group is fanned to insert on the top of cavity spherical shell at the bottom end of, the trapezoidal left-hand thread plate, the trapezoidal left-hand thread plate by swing rod with
Press fan plate mechanical connection, the press fan plate are gap-matched with cavity spherical shell.
As a further improvement of the present invention, the trapezoidal left-hand thread plate is the plate structure of isosceles trapezoid bottom edge fold, is led to
The flanging block for crossing bottom can form corner and fasten effect, the convenient folder patch effect hingedly fixed to top left and right.
As a further improvement of the present invention, the column casing shell is arc chamber column casing structure of the bottom end with rotary table slot, rotary table arc
Slot facilitates electric power storage inner ring buffering when electric discharge, and dash current generates malfunction when preventing switching from powering off, and electricity is stablized in effective the cover guidance
Road.
As a further improvement of the present invention, the two-fold side plate is the composite plates structure of double zigzag plate welding, on
Notch board forms the deflection effect of a slab and thin plate in lower, and when facilitating center dead axle, other spools are isolated in monolith insulation board
Effect avoids the wire jumper discharge scenario of interior line conductor, forms the one-to-one clear power effect of combing route.
As a further improvement of the present invention, the I-shaped merogenesis column is the integrally welded long connection of I-shaped more piece short column
Shaft configurations, each section I-shaped slot conveniently suit the frictional drive that transverse and longitudinal axis forms round section, and the edge extended up and down prevents cross
Axis slips, and forms clinching blocking effect, promotes efficient twisting action.
Beneficial effect
A kind of electric network composition of the switchette station anti-overstep tripping suitable for Urban House of the present invention, in section electric substation
Distributed lines to uptown switchyard when, formed in shell mask to separated time by the PC circuit board of line cap compression bonding apparatus
Case, breaker square chest, accumulator box summarize the distribution of docking, reach the general framework laser propagation effect of adaptation adjustment, pass through electric power storage
Pond case feedback current is during which exactly to pass through power transformation conducting wire pin terminals one by one to the digital display and rate-of-change relay of coupling box
It is docked across line cap shaft bar cover, realizes the undertaking protection effect of middle line, formed when the dash current of electric substation generates malfunction
When under-voltage or overload situations, roll shaft motor be toggled engagement helical gear traction I-shaped merogenesis column rotation, make insulate folded plate by
It is formed intermediate to the female end shaft friction I-shaped merogenesis column linkage rotation in cap square groove by cigarette wheel pressure drop power transformation conducting wire
The effect nipped off, and then the line end electric discharge after open circuit is pasted by the docking carrying of pin column casing by ball chuck clinching device additional lock
Female end shaft makes the two-fold side plate of female end shaft rotation linkage pass through thick frame ring and rotates on right side, forms pin square piece and sleeve groove
The embedded conducting dog-ear power transformation conducting wire of cap square groove is overlayed, reaches one chip microcomputer reorganization circuit and imports electric current to the copper in column casing shell
In silk thread, radiation electrode effect is formed, is cooperating two-fold side plate insulation partition electric current, slowly consumption reduces electric discharge risk, shape
Accurate open circuit at single cord to single terminal avoids wire jumper electric arc from triggering interior circuit mixed flow situation, makes tripping connection interval
The iron plate balladeur train of cabinet is more acurrate, the air switch lock and armature bracket collocation efficiency of check and correction top plate bottom, and the rotation of female end shaft
Turn to withstand when slipping by trapezoidal left-hand thread plate and cavity spherical shell folder patch, then the right pendulum of swing rod traction press fan plate is formed in side
The counteracting force effect at angle resets after tripping and pulls down air switch lock by pressing magnetic support button, it is existing to improve overstepping
As optimizing the one-to-one stable laser propagation effect of undertaking of electric substation and switchyard.
There is accessible advantage after operation of the present invention:
It matches with breaker square chest with line cap compression bonding apparatus, by power transformation conducting wire patch cap shaft bar cover, is impacting
Folded plate transmission rotation of insulating when electric current malfunction presses inclined the end of a thread to form open circuit protection effect, on each air switch lock of switchyard
The cap square groove for setting up closing contact makes to obtain the wire jumper built-up circuit for wanting overstepping into pin column casing closing insulation arc extinguishing
Shielding action is filtered, so that I-shaped merogenesis column is rotated the segmented treatment effect to form an insulation folded plate, reaches single pair single lead
The combing protection inside buried, avoids spool big drum winding, and separated time detects when also facilitating maintenance, and when realizing tripping, armature bracket is logical
The disconnected definition that is attracted is high, ensures that Urban House power grid security accurately trips protection circuit effect.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing in describing below to embodiment is made in detail
It carefully introduces, allows other features, purposes and advantages of the invention will become more apparent with this:
Fig. 1 is that a kind of structure of the electric network composition of the switchette station anti-overstep tripping suitable for Urban House of the present invention is shown
It is intended to.
Fig. 2 is the detailed the schematic diagram of the section structure of breaker square chest of the present invention.
Fig. 3 is the schematic cross-sectional view of breaker square chest of the present invention and line cap compression bonding apparatus working condition.
Fig. 4 is the volume rendering structural schematic diagram of line cap shaft bar cover working condition of the present invention.
Fig. 5 is that structural schematic diagram is cutd open in the side of present invention insulation folded plate working condition.
Fig. 6 is the volume rendering structural schematic diagram of pin column casing working condition of the present invention.
Fig. 7 is that structural schematic diagram is regarded in the section of ball chuck clinching device working condition of the present invention.
Description of symbols: coupling box -1, digital display -2, rate-of-change relay -3, magnetic support button -4, shell mask -5,
Breaker square chest -6, accumulator box -7, line cap compression bonding apparatus -8, iron plate balladeur train -61, top plate -62, interval cabinet -63, air are opened
Barrier gate -64, armature bracket -65, PC circuit board -83, I-shaped merogenesis column -84, power transformation conducting wire -85, helical gear -86, roll shaft motor -
87, cap square groove -811, female end shaft -812, cigarette wheel -813, pin column casing -821, ball chuck clinching device -822, two-fold side plate -
823, thick frame ring -824, pin square piece -8211, sleeve groove -8212, one chip microcomputer -8213, column casing shell -8214, copper wire line -
8215, trapezoidal left-hand thread plate -8221, cavity spherical shell -8222, swing rod -8223, press fan plate -8224.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1-Fig. 7 is please referred to, the present invention provides a kind of electricity of switchette station anti-overstep tripping suitable for Urban House
Web frame, structure include: coupling box 1, digital display 2, rate-of-change relay 3, magnetic support button 4, shell mask 5, breaker side
The pin plate of case 6, accumulator box 7, line cap compression bonding apparatus 8,3 rear side of the digital display 2 and rate-of-change relay passes through line cap
The circuit board of compression bonding apparatus 8 is electrically connected with the pin of accumulator box 7, the bottom surface of the coupling box 1 and the top surface point of accumulator box 7
It is not tightly attached to the two sides up and down of breaker square chest 6, the line cap compression bonding apparatus 8 inserts the rear side inside coupling box 1, the number
Code display 2 is in the same vertical plane with rate-of-change relay 3 and inserts embedded in the front side of coupling box 1, the magnetic support button 4
It is in alignment equipped with more than two horizontal Tiles and with breaker square chest 6 be mechanically connected, the coupling box 1, breaker square chest
6, accumulator box 7 is mounted on the inside of shell mask 5, and the line cap compression bonding apparatus 8 is equipped with line cap shaft bar cover 81, insulation folded plate
82, PC circuit board 83, I-shaped merogenesis column 84, power transformation conducting wire 85, helical gear 86, roll shaft motor 87, the line cap shaft bar cover 81 are logical
Cross the through-hole mechanical connection of shaft and the folded plate 82 that insulate and both be equipped with it is more than two and in alignment side by side vertically, it is described
The runner of line cap shaft bar cover 81 and the line end in 85 middle section of power transformation conducting wire snap together, the right end and PC collection of the power transformation conducting wire 85
It is electrically connected at the left side of plate 83, the I-shaped merogenesis column 84 extends vertically through the inside of line cap shaft bar cover 81, the I-shaped merogenesis column
84 bottom end is mechanically connected by the bottom surface of helical gear 86 and the roller disk of roll shaft motor 87, and the helical gear 86 is nested in I-shaped
Under the bottom end of merogenesis column 84, the I-shaped merogenesis column 84 inserts the rear side inside coupling box 1, the PC circuit board 83 and electric power storage
Pond case 7 is electrically connected, and the I-shaped merogenesis column 84 is the integrally welded long shaft coupling rod structure of I-shaped more piece short column, each section work
Word slot conveniently suits the frictional drive that transverse and longitudinal axis forms round section, and the edge extended up and down prevents horizontal axis from slipping, and forms clinching resistance
Effect is kept off, promotes efficient twisting action, the breaker square chest 6 is by iron plate balladeur train 61, top plate 62, interval cabinet 63, air
Breaker 64, armature bracket 65 form, and the iron plate balladeur train 61 is gap-matched with top plate 62, the drag-line of the iron plate balladeur train 61
It is mechanically connected by the rotating plate of air switch lock 64 and the upper left corner of armature bracket 65, the iron plate balladeur train 61, top plate 62, air are opened
Barrier gate 64, armature bracket 65 are nested in the left side of interval cabinet 63.
Referring to Fig. 4, the line cap shaft bar cover 81 is made of cap square groove 811, female end shaft 812, cigarette wheel 813, institute
The left end for stating female end shaft 812 is inserted embedded in the right side in 813 axle center of cigarette wheel, and the cap square groove 811 is nested in female end shaft 812
Left end, the outer surface of the cigarette wheel 813 connect with the internal activity of cap square groove 811, passes through the change in cap square groove 811
Electric lead 85 is segmented the movement that port forms open circuit by rotation on cigarette wheel 813 or pushing, and in fact by I-shaped merogenesis column 84
The turned off in synchronization effect that the existing more female end shafts 812 of a column link, powers off high-efficient, and the introduced electric current of power transformation is directly connected and opens
Station on-off is closed, without will cause wire jumper situation.
Referring to Fig. 5, the insulation folded plate 82 is by pin column casing 821, ball chuck clinching device 822, two-fold side plate 823, thick frame
Ring 824 forms, the pin column casing 821 set there are three and it is vertical in alignment side by side and insert embedded in two-fold side plate 823
The upper left corner, the two-fold side plate 823 and thick frame ring 824 using being interference fitted, the ball chuck clinching device 822 set there are two and
It is installed in the inside of two-fold side plate 823, the two-fold side plate 823 is the composite plates structure of double zigzag plate welding, interior up and down
Notch board forms the deflection effect of a slab and thin plate, and when facilitating center dead axle, the effect of other spools is isolated in monolith insulation board,
The wire jumper discharge scenario of interior line conductor is avoided, the one-to-one clear power effect of combing route is formed, passes through two-fold 823 shape of side plate
Rotate the isolation discharge effect of package separated time along thick frame ring 824 with low-angle inside groove at one.
Referring to Fig. 6, the pin column casing 821 is by pin square piece 8211, sleeve groove 8212, one chip microcomputer 8213, column
Barrel shell 8214, copper wire line 8215 form, and the pin square piece 8211 is nested on the top of sleeve groove 8212, the pin square piece
8211 are electrically connected by one chip microcomputer 8213 with copper wire line 8215, and the sleeve groove 8212 is nested in into one with column casing shell 8214
Body and axle center is conllinear, the column casing shell 8214 is arc chamber column casing structure of the bottom end with rotary table slot, when rotary table arc slot facilitates electric discharge
Electric power storage inner ring buffering, dash current generates malfunction when preventing switching from powering off, and effective the cover guides stabilizing circuit, passes through column casing shell
The electricity of 8214 absorption pin square pieces 8211 and one chip microcomputer 8213, which is perfused, radiates electric power storage consumption, formation pair to copper wire line 8215
The buffering of breaking current separates effect, avoids the impact maloperation situation of high current.
Referring to Fig. 7, the ball chuck clinching device 822 is by trapezoidal left-hand thread plate 8221, cavity spherical shell 8222, swing rod 8223, top
Pressure fan plate 8224 forms, and the bottom end of the trapezoidal left-hand thread plate 8221 is inserted on the top of cavity spherical shell 8222, described trapezoidal anti-
Buckle 8221 is mechanically connected by swing rod 8223 and press fan plate 8224, and the press fan plate 8224 and cavity spherical shell 8222 use
Clearance fit, the trapezoidal left-hand thread plate 8221 are the plate structure of isosceles trapezoid bottom edge fold, can by the flanging block of bottom
Effect is fastened to form corner to top left and right, convenient hingedly fixed folder patch effect, by trapezoidal left-hand thread plate 8221 by female end
When moving to right slippage situation of shaft 812, swing rod 8223 will drive press fan plate 8224 and deflect to the right, form an internal angles on the same side
Double anti-slip effects of counteragent.
Workflow: in switchyard of the section electric substation distributed lines to uptown, pass through line cap compression bonding apparatus 8
PC circuit board 83 distribution for summarizing docking to coupling box 1, breaker square chest 6, accumulator box 7 is formed in shell mask 5, reach
It is adapted to the general framework laser propagation effect of adjustment, by 7 feedback current of accumulator box to the digital display 2 and differential of coupling box 1
Relay 3, be during which exactly pass through power transformation conducting wire 85 one by one pin terminals across line cap shaft bar cover 81 dock, realize middle line
Accept protection effect, when electric substation dash current generate malfunction form under-voltage or overload situations when, roll shaft motor 87 by
Triggering engagement helical gear 86 draws I-shaped merogenesis column 84 and rotates, and the folded plate 82 that makes to insulate is by the female end shaft in cap square groove 811
812 friction 84 linkage rotations of I-shaped merogenesis column form the intermediate effect nipped off by 813 pressure drop power transformation conducting wire 85 of cigarette wheel, and
Then line end electric discharge after open circuit pastes female end shaft by 822 additional lock of ball chuck clinching device by the docking carrying of pin column casing 821
812, so that the two-fold side plate 823 of the rotation linkage of female end shaft 812 is passed through thick frame ring 824 and rotated on right side, forms pin square piece 8211
The embedded conducting dog-ear power transformation conducting wire 85 of cap square groove 811 is overlayed with sleeve groove 8212, reaches one chip microcomputer 8213 and reorganizes circuit
Electric current is imported in the copper wire line 8215 in column casing shell 8214, forms radiation electrode effect, cooperate the two-fold insulation of side plate 823 every
Power-off stream, slowly consumption reduces electric discharge risk, forms accurate open circuit of the single cord to single terminal, wire jumper electric arc is avoided to touch
Circuit mixed flow situation in sending out keeps the iron plate balladeur train 61 of tripping connection interval cabinet 63 more acurrate, proofreads the air of 62 bottom of top plate
Breaker 64 and armature bracket 65 are arranged in pairs or groups efficiency, and female end shaft 812 when being rotated in slippage by trapezoidal left-hand thread plate 8221 with it is empty
The folder patch of chamber spherical shell 8222 is withstood, and then the traction of swing rod 8223 press fan plate 8224 is right puts the counteracting force effect for forming internal angles on the same side,
It is resetted after tripping and pulls down air switch lock 64 by pressing magnetic support button 4, improve overstepping phenomenon, optimize electric substation
With the one-to-one stable laser propagation effect of the undertaking of switchyard.
The present invention is combined with each other by above-mentioned component, is reached and is matched with breaker square chest 6 and line cap compression bonding apparatus 8
It closes, by 85 patch cap shaft bar cover 81 of power transformation conducting wire, inclined the end of a thread is pressed in the transmission rotation of folded plate 82 of insulating in dash current malfunction
Open circuit protection effect is formed, the cap square groove 811 of closing contact is set up on each air switch lock 64 of switchyard, makes to want
The wire jumper built-up circuit of overstepping obtains the filtering shielding action of the closing insulation arc extinguishing of pin column casing 821, makes I-shaped merogenesis column
84 rotations form the segmented treatment effect of an insulation folded plate 82, reach the combing protection buried in single pair single lead, avoid line
Pipe big drum winding, separated time detects when also facilitating maintenance, and when realizing tripping, 65 on-off of armature bracket is attracted definition height, ensures
Urban House power grid security accurately trips protection circuit effect, solves the time limit setting value very little due to switchyard with this,
Switchyard, once electric substation trips prior to switchyard, has cut off fault current using going shunting mode to trip, then switchyard switchs
It will cannot trip because losing separating brake electric current；At this point, electric substation's outlet switch in reclosing, just merges in faulty line
On, lead to unsuccessful reclosing, when line failure occurs in switchyard, it may appear that switchyard does not trip, and electric substation's outlet
Switch trip causes combined floodgate dash current to generate the overstepping phenomenon of malfunction, also influences other switch gearings of switchyard simultaneously
The problem of the case where tripping, causing circuit disorder.
Specific embodiment described herein is only to give an example to the present invention.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from of the invention or beyond the scope of the appended claims.
Claims (9)
1. a kind of electric network composition of the switchette station anti-overstep tripping suitable for Urban House, structure includes: coupling box
(1), digital display (2), rate-of-change relay (3), magnetic support button (4), shell mask (5), breaker square chest (6), accumulator box
(7), line cap compression bonding apparatus (8), it is characterised in that:
The rate-of-change relay (3) is electrically connected by line cap compression bonding apparatus (8) with accumulator box (7), the coupling box (1) and storage
Battery case (7) is tightly attached to the two sides up and down of breaker square chest (6) respectively, and the line cap compression bonding apparatus (8), which is inserted, is embedded in coupling box (1)
Inside, the digital display (2) and rate-of-change relay (3) are inserted embedded in the front side of coupling box (1), the magnetic support button
(4) it is mechanically connected with breaker square chest (6), the breaker square chest (6) is installed on the inside of shell mask (5)；
The line cap compression bonding apparatus (8) is equipped with line cap shaft bar cover (81), insulation folded plate (82), PC circuit board (83), I-shaped merogenesis
Column (84), power transformation conducting wire (85), helical gear (86), roll shaft motor (87)；
The line cap shaft bar cover (81) and insulation folded plate (82) are mechanically connected, the line cap shaft bar cover (81) and power transformation conducting wire (85)
It snaps together, the power transformation conducting wire (85) is electrically connected with PC circuit board (83), and the I-shaped merogenesis column (84) extends vertically through line
The inside of cap shaft bar cover (81), the I-shaped merogenesis column (84) are mechanically connected by helical gear (86) and roll shaft motor (87), institute
It states helical gear (86) to be nested under the bottom end of I-shaped merogenesis column (84), the I-shaped merogenesis column (84) is inserted embedded in coupling box (1)
Inside, the PC circuit board (83) are electrically connected with accumulator box (7).
2. a kind of electric network composition of switchette station anti-overstep tripping suitable for Urban House according to claim 1,
It is characterized by: the breaker square chest (6) is by iron plate balladeur train (61), top plate (62), interval cabinet (63), air switch lock
(64), armature bracket (65) forms, and the iron plate balladeur train (61) matches with top plate (62), and the iron plate balladeur train (61) passes through air
Breaker (64) and armature bracket (65) are mechanically connected, the iron plate balladeur train (61), top plate (62), air switch lock (64), armature
Frame (65) is nested in the left side of interval cabinet (63).
3. a kind of electric network composition of switchette station anti-overstep tripping suitable for Urban House according to claim 1,
It is characterized by: the line cap shaft bar cover (81) is made of cap square groove (811), female end shaft (812), cigarette wheel (813), institute
It states female end shaft (812) to insert embedded in the right side of cigarette wheel (813), the cap square groove (811) is nested in female end shaft (812)
Left end, the cigarette wheel (813) connect with the internal activity of cap square groove (811).
4. a kind of electric network composition of switchette station anti-overstep tripping suitable for Urban House according to claim 1,
It is characterized by: the insulation folded plate (82) is by pin column casing (821), ball chuck clinching device (822), two-fold side plate (823), thick frame
Ring (824) composition, the pin column casing (821) insert embedded in two-fold side plate (823) the upper left corner, the two-fold side plate (823) with
Thick frame ring (824) matches, and the ball chuck clinching device (822) is installed in the inside of two-fold side plate (823).
5. a kind of electric network composition of switchette station anti-overstep tripping suitable for Urban House according to claim 4,
It is characterized by: the pin column casing (821) is by pin square piece (8211), sleeve groove (8212), one chip microcomputer (8213), column
Barrel shell (8214), copper wire line (8215) composition, the pin square piece (8211) is nested on the top of sleeve groove (8212), described
Pin square piece (8211) is electrically connected by one chip microcomputer (8213) with copper wire line (8215), the sleeve groove (8212) and column casing
Shell (8214) is nested in integrally.
6. a kind of electric network composition of switchette station anti-overstep tripping suitable for Urban House according to claim 4,
It is characterized by: the ball chuck clinching device (822) is by trapezoidal left-hand thread plate (8221), cavity spherical shell (8222), swing rod (8223), top
Pressure fan plate (8224) composition, the trapezoidal left-hand thread plate (8221) are inserted on the top of cavity spherical shell (8222), described trapezoidal anti-
Buckle (8221) is mechanically connected by swing rod (8223) and press fan plate (8224), press fan plate (8224) and cavity spherical shell
(8222) it matches.
7. a kind of electric network composition of switchette station anti-overstep tripping suitable for Urban House according to claim 6,
It is characterized by: the trapezoidal left-hand thread plate (8221) is the plate structure of isosceles trapezoid bottom edge fold.
8. a kind of electric network composition of switchette station anti-overstep tripping suitable for Urban House according to claim 5,
It is characterized by: the column casing shell (8214) is arc chamber column casing structure of the bottom end with rotary table slot.
9. a kind of electric network composition of switchette station anti-overstep tripping suitable for Urban House according to claim 4,
It is characterized by: the two-fold side plate (823) is the composite plates structure of double zigzag plate welding.
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| CN201910230510.0A CN110011284B (en) | 2019-03-26 | 2019-03-26 | Small-size switching station prevents electric wire netting structure of tripping operation of overriding suitable for urban residence |
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| CN201910230510.0A CN110011284B (en) | 2019-03-26 | 2019-03-26 | Small-size switching station prevents electric wire netting structure of tripping operation of overriding suitable for urban residence |
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| CN110011284A true CN110011284A (en) | 2019-07-12 |
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| CN110011284B (en) | 2021-02-02 |
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