CN207410028U - A kind of switching type power supply lightning protection device of band dropout protection - Google Patents
A kind of switching type power supply lightning protection device of band dropout protection Download PDFInfo
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- CN207410028U CN207410028U CN201721556502.8U CN201721556502U CN207410028U CN 207410028 U CN207410028 U CN 207410028U CN 201721556502 U CN201721556502 U CN 201721556502U CN 207410028 U CN207410028 U CN 207410028U
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Abstract
The utility model is related to a kind of switching type power supply lightning protection devices of band dropout protection.A kind of switching type power supply lightning protection device of band dropout protection, including housing;Housing top surface is equipped with indicating window, and lightning protection component in pedestal is housed, trip assembley therefor is housed above lightning protection component;Trip assembley therefor is acted directly on the electrode shrapnel of lightning protection component, and the state of lightning protection component is shown by indicating window.A kind of switching type power supply lightning protection device of the band dropout protection of the utility model; by increasing trip assembley therefor in the graphite lightning protection component of switching type power supply lightning protection device; while power lightning protection is effectively carried out; lightning protection component can be made to be disconnected with being connect power circuit rapidly under the action of tripping mechanism; prevent the burn of lightning protection graphite device; it has ensured the safe to use of lightning protection for power supply, and lightning protection for power supply failure can be indicated to field personnel;To the use of lightning protection for power supply bring safety and conveniently.
Description
Technical field
The utility model is related to a kind of lightning protection for power supply, more particularly to a kind of switching type power supply lightning protection of band dropout protection
Device.
Background technology
Lightning protection for power supply can be divided into two kinds of standards of switching mode and votage limit type, switching type power supply lightning protection device generally using gap and
Gas discharge material is made, the lightning protection available for power lightning protection system prime large energy;Voltage limit power lightning protection device leads to
It is made frequently with pressure cell material, the lightning protection available for power lightning protection system rear class;Lightning protection for power supply can match somebody with somebody in power supply
When electric line and electrical equipment are subject to thunder and lightning or the surge to invade and harass, discharge path is formed over the ground rapidly, lightning current is released importing
Greatly, while by thunder and lightning high pressure certain voltage protection level is limited in, plays the guarantor of the lightning protection to supply unit and electrical equipment
Shield acts on;But while lightning protection for power supply plays lightning protection, lightning protection device may be subject to power-supply system transient state power frequency mistake
Voltage acts on, it is also possible to failure or the failure of itself are generated, it is serious there may be short circuit, fever even catching fire, and it is right
Power-supply system causes additional danger.
Therefore, fever " dropout " protection mechanism is generally provided with inside lightning protection for power supply, it can when lightning protection component fails
So that it disengages the connection with power circuit, so as to ensure the safety of power-supply system;This point in voltage limit power lightning protection device,
Tripping mechanism has been made reliable, but in current most of switching type power supply lightning protection devices, due to large capacity discharge device
Itself the reason for, tripping mechanism are made less perfect, such as using fuse and capacitor loop dropout instruction mode, it is impossible to it prevents
The short circuit thermal of graphite device and burning, it is impossible to the synchronous reflection real failure state of lightning protection component.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of switching type power supply lightning protection device of band dropout protection,
Lightning protection electric discharge is carried out by the Multi-layer graphite disk in lightning protection component, it is real by the tripping mechanism in trip assembley therefor and remote signalling mechanism
Safety release, the red green annesl of indicating window and the conversion of remote signalling output contact during existing lightning protection device malfunction and failure, using eutectic welding soldering
It connects with the mechanisms such as composite electrode shrapnel and shrapnel mandril, in the failure of lightning protection component Multi-layer graphite disk or is subject to transient state power-frequency overvoltage
During effect, it can rise its Yin Farewen and depart from the power circuit connect, prevent the appearance of peril, realize really electricity
The safeguard protection of source lightning protection and lightning protection device in itself.
Technical solution is used by the utility model solves its technical problem:A kind of switching type power supply of band dropout protection
Lightning protection device, it includes housing;The housing is fastened by upper cover and pedestal, and top surface is equipped with indicating window, is equipped in pedestal anti-
Thunder component, the top of lightning protection component are equipped with trip assembley therefor;The lightning protection component includes lightning protection component and metal electrode;The lightning protection
Device both sides are equipped with front plate and rear plate;The metal electrode includes the double end terminal piece of front side, consolidates with double end terminal piece
Surely the electrode shrapnel that connects and positioned at rear side and on the outside of rear plate among the single head terminal plate that is connected;The electrode shrapnel it is upper
Portion is welded together by top on the outside of low temperature bump and front plate;The trip assembley therefor includes tripping mechanism;The dropout
Mechanism includes slider bottom plate and slide block connecting rod;The red parallel with slider bottom plate is provided on rear side of the top of the slider bottom plate to consolidate
Determine block, and pass through connecting lateral plate and red fixed block and be connected, the centre of connecting lateral plate is provided with connecting rod location hole, slider bottom plate
Bottom among be provided with the mandril locating slot of front and rear perforation;The slide block connecting rod lower front part is shrapnel mandril, and its rear end is bullet
Spring positioning pin, the intermediate rear end of slide block connecting rod are equipped with auxiliary positioning bar, and the top of slide block connecting rod is green mobile block, spring positioning
Little spring is cased on pin, and is penetrated together in the mandril locating slot of slider bottom plate with shrapnel mandril, the auxiliary on slide block connecting rod is determined
In connecting rod location hole on the bar insertion slider bottom plate of position, shrapnel mandril front end is withstood on the shrapnel end of electrode shrapnel;Sliding block connects
The shrapnel mandril of bar generates the jacking force to shrapnel end under the action of little spring.
The lightning protection component is stacked using ten graphite disks and nine insulating washer intervals, described in the assembling of both sides
Front plate and rear plate;Rear plate is sealed in by connecting rod screw to be screwed on front plate, by graphite disk and insulating washer geometrical clamp
Tightly;The lightning protection component further includes circuit board, and the centre on the circuit board is equipped with eight high pressure patch capacitors, a left side for circuit board
Pin is respectively arranged in right both sides equipped with four core of a row, and circuit board matches somebody with somebody the top for being connected on graphite disk, eight high pressure patch capacitors of circuit board
One end arrange pin by four cores of both sides and be clipped on the graphite disk edge of lower section;Eight high pressure patch capacitors other end connects
It is connected together and is connected on rear plate.
The upper end of the double end terminal piece and single head terminal plate is provided with terminal screw, lower end is provided with terminal connections circle;
Corresponding with the terminal screw of double end terminal piece power end sub-aperture, the front end of housing are provided on the upside of the front end of the housing
Front side is provided with power interface corresponding with the terminal connections circle of double end terminal piece;The power interface passes through in double end terminal piece
Portion connects;Ground terminal sub-aperture corresponding with the terminal screw of single head terminal plate, housing are provided on the upside of the rear end of the housing
Rear end on rear side of be provided with interface of the ground wire corresponding with the terminal connections circle of single head terminal plate.
The front and back end of the housing is also respectively provided with mounting hole, fixes upper cover and pedestal for passing through screw.
A remote signalling interface is additionally provided on rear side of the housing;The trip assembley therefor further includes remote signalling mechanism, the remote signalling machine
Structure includes microswitch, switch shrapnel, remote signalling line and remote signalling terminal;The microswitch crouches mounted in the plane of slider bottom plate
On, the intermediate front end of the slide block connecting rod is additionally provided with switch jacking block;Switch shrapnel on the microswitch connects with the sliding block
The switch jacking block of bar is close together, the remote signalling end for switching out foot and being connected to by remote signalling line in remote signalling interface of the microswitch
On son.
The lightning protection component is subject to transient state power-frequency overvoltage to impact and starts when flowing through larger power current, lightning protection component
Rapid fever, when heat is passed on front plate, the low temperature tin point of welding electrode shrapnel can melt rapidly so that electrode shrapnel is with before
Clamping plate departs from, and lightning protection for power supply is made to depart from external power supply circuit, and lightning protection component stops fever;During this, trip assembley therefor
Shrapnel mandril accentuated push spring plate end expands the spacing of electrode shrapnel and front plate, makes electrode shrapnel completely de- with front plate
It opens, while the shrapnel mandril of trip assembley therefor acts, switch mandril compresses the switch shrapnel on microswitch to switching surface, makes
Normally opened, normally closed contact conversion position inside the microswitch is obtained, microswitch is by switching out opening and closing of the foot by interior contacts
Signal is drawn, and remote signalling interface is delivered to by remote signalling line.
During the shrapnel mandril action, green mobile block thereon moves forward, and makes to be blocked in following red fixed block
It manifests, the indicating window of upper cover becomes red from green.
Guide rail bayonet is equipped with below the pedestal, lower section is provided with guide rail clamp on rear side of pedestal, and guide rail is installed for clamping.
The upper cover both sides of the housing are respectively equipped with two upper cover splicing slots, and the pedestal both sides of the housing are also set respectively
There are two pedestal splicing slots, the splicing dovetail-shape shape of slot spells multiple lightning protection for power supply by being inserted into splicing bolt
Connect combination.
The beneficial effects of the utility model:A kind of switching type power supply lightning protection device of band dropout protection of the utility model, leads to
Cross increases trip assembley therefor in the graphite lightning protection component of switching type power supply lightning protection device, can while power lightning protection is effectively carried out
With lightning protection for power supply short-circuit failure itself or be subject to transient state power-frequency overvoltage act on when, can be under the action of tripping mechanism
Lightning protection component is made to be disconnected with being connect power circuit rapidly, on the one hand prevents the burn of lightning protection graphite device, is ensured
Lightning protection for power supply it is safe to use;On the other hand apparent colour code variation is provided, can indicate that power supply is prevented to field personnel
Thunder device fails;Synchronous remote signalling contact displacement signal is additionally provided, the working condition of lightning protection for power supply can be remotely being perceived, to electricity
The use of source lightning protection device bring safety and conveniently.
Description of the drawings
Fig. 1 is a kind of schematic diagram of the contour structures of the switching type power supply lightning protection device of band dropout protection of embodiment;
Fig. 2 is a kind of schematic diagram of the internal component of the switching type power supply lightning protection device of band dropout protection of embodiment;
Fig. 3 is a kind of schematic diagram of the device architecture of the switching type power supply lightning protection device of band dropout protection of embodiment;
Fig. 4 is a kind of schematic diagram of the trip action of the switching type power supply lightning protection device of band dropout protection of embodiment;
Fig. 5 is a kind of schematic diagram of the remote signalling wiring of the switching type power supply lightning protection device of band dropout protection of embodiment;
Fig. 6 is a kind of schematic diagram of the circuit structure of the switching type power supply lightning protection device of band dropout protection of embodiment;
Fig. 7 is a kind of schematic diagram spliced and combined of the switching type power supply lightning protection device of band dropout protection of embodiment.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is done further below in conjunction with drawings and examples
It is described in detail, which is only used for explaining the utility model, and the scope of protection of the utility model is not formed and is limited.
Embodiment
As shown in Figure 1, present embodiments provide a kind of switching type power supply lightning protection device of band dropout protection;It include housing,
Lightning protection component 3 and trip assembley therefor 4;The housing is fastened by upper cover 1 and pedestal 2, and the top surface of the upper cover sets that there are three small
Square indicating window 1a, the variation of internal color lump can be observed by the indicating window, represent working properly with green in window, with window
The interior red working condition for representing component failure, thus will be seen that lightning protection device;The upper cover front end is used to connect there are two setting
Line twists the power end sub-aperture 1b of screw, and rear end is set there are one ground terminal sub-aperture 1c, and both ends are also respectively provided with a mounting hole 1d, are used for
Screw is screwed into fix the upper cover 1 with pedestal 2;Equipped with lightning protection component 3 and trip assembley therefor 4, the lightning protection group in the pedestal 2
Part 3 discharges for the lightning protection of power circuit, and harm is generated when the trip assembley therefor 4 is for preventing the failure of lightning protection component 3 itself, and
Instruction and the signal that lightning protection component 3 fails are provided;The front side of the pedestal 2 is set there are two the power interface 5 of internal connection, is used for
Power cord is accessed during installation, rear side is set there are one interface of the ground wire 6 and a remote signalling interface 7, and the ground wire connection jaws are used to connect
Enter the earth terminal of lead connection device external nearby, the remote signalling interface is for exporting passive contact point signal, for live lightning protection
Manage the working condition of system monitoring lightning protection for power supply;For ease of installation, the guide rail equipped with normal width below the pedestal
Bayonet 2b clamps installation guide rail by the guide rail clamp 8 of lower section on rear side of the pedestal;The upper cover both sides of the housing are respectively equipped with
Two upper covers splice slot 1e, and the pedestal both sides of the housing are also respectively equipped with two pedestal splicing slot 2a, four splicing insertings
The dovetail-shape shape of slot, can be by being inserted into splicing bolt 9 by power lightning protection when needing multiple lightning protection for power supply being applied in combination
The housing of device splices mutually, facilitates installation.
As shown in Figures 2 and 3, be the present embodiment a kind of through-flow lightning protection for power supply of large capacity internal component and device
Structure diagram;Lightning protection component for lightning protection electric discharge is housed, the top of the lightning protection component is equipped among the chassis interior
Trip assembley therefor;The lightning protection component is broadly divided into lightning protection component and metal electrode, and the lightning protection component includes circuit board 3a2, height
Overlay chip capacitor 3a3, four cores row's pin 3a6, graphite disk 3a4, insulating washer 3a5, front plate 3a1, rear plate 3a8 and connecting rod spiral shell
Follow closely the components such as 3a7;Wherein, it is stacked using ten graphite disks and nine insulating washer intervals, both sides
Assemble the front plate and rear plate;The front plate corner is equipped with threaded hole, and the rear plate corner is equipped with drift bolt hole, described
Connecting rod screw is screwed in after sealing in the drift bolt hole of rear plate in the threaded hole of front plate, by graphite disk and insulating washer geometrical clamp
Tightly;Equipped with eight high pressure patch capacitors, the circuit board is each side equipped with four core of a row for centre on the circuit board
Pin is arranged, the circuit board matches somebody with somebody the top for being connected on the graphite disk, and the graphite that lower section is clamped at by four cores row's pin of both sides is justified
On piece edge;The metal electrode includes double end terminal piece 3b1, single head terminal plate 3b2, terminal connections circle 3b7, terminal screw
3b3, electrode shrapnel 3b4 and shrapnel end 3b6;The lower end of the double end terminal piece of the metal electrode passes through small screw and electrode
The lower end connection of shrapnel, the top of the electrode shrapnel are welded together by top on the outside of low temperature tin point 3b5 and front plate;Institute
The inside for stating single head terminal plate is connected by intermediate on the outside of small screw and rear plate;The double end terminal piece and single head terminal plate
Upper end be provided with terminal screw, the lower end of the double end terminal piece and single head terminal plate is provided with terminal connections circle.
Again as shown in Figures 2 and 3, the top of the circuit board is equipped with the trip assembley therefor for preventing lightning protection component short-circuit fire,
The trip assembley therefor is divided into tripping mechanism and remote signalling mechanism, and the tripping mechanism includes slider bottom plate 4a and slide block connecting rod 4b, institute
It states slider bottom plate to be connected by the red fixed block 4a2 on rear side of connecting lateral plate 4a1 and top, the red fixed block and cunning
Block bottom plate is parallel, and connecting rod location hole 4a4 is provided among the side of the connecting lateral plate, and one is equipped on the left of the connecting rod location hole
A threading hole 4a5 is provided with the mandril locating slot 4a3 of front and rear perforation among the bottom of the slider bottom plate;Under the slide block connecting rod
Portion front end is the shrapnel mandril 4b1 of square bar, and its rear end is cylindrical spring holder 4b5, the centre of the slide block connecting rod
Front end is equipped with switch jacking block 4b2, and its rear end is equipped with auxiliary positioning bar 4b4;The top of the slide block connecting rod is green mobile block
4b3 is cased with little spring 4c on the spring holder, and penetrates the mandril locating slot of the slider bottom plate together with shrapnel mandril
In, while in the connecting rod location hole on the auxiliary positioning bar insertion slider bottom plate on slide block connecting rod, the shrapnel mandril front end top
On the top of the electrode shrapnel;The remote signalling mechanism includes microswitch 4d1, switch shrapnel 4d2, remote signalling line 4e and distant
Believe interface;The microswitch crouches in the plane of slider bottom plate, the switch shrapnel on the microswitch and the sliding block
The switch jacking block of connecting rod is close together, the switch of the microswitch go out foot 4d3 be connected to by remote signalling line through threading hole it is distant
Believe on the remote signalling interface in interface.
As shown in Figure 4 and Figure 5, be the present embodiment a kind of band thread off protection switching type power supply lightning protection device trip action
With remote signalling wiring schematic diagram;The lightning protection component in figure is connected on power circuit, can play the role of lightning protection, normal
In the case of because it is internal in high-impedance state, so will not be impacted to power circuit, but when lightning protection component fails short circuit or
When person is subject to the effect of transient state power-frequency overvoltage, it is possible to flow through larger power current, at this moment the lightning protection component will be fast
Speed fever, when heat is passed on front plate, the low temperature tin point of welding electrode shrapnel is because its fusing point only has the one of conventional scolding tin
Half, it will melt rapidly so that electrode shrapnel departs from front plate, and then lightning protection for power supply is made to depart from external power supply circuit,
After so having cut off power current, lightning protection component just stops generating heat, and it is dangerous that further catching fire will not occur;It threads off
Process can will compare in the electrode shrapnel in Fig. 4 and the position of shrapnel end and Fig. 2, and the electrode shrapnel in Fig. 4 is
Through being disengaged with front plate, and the electrode shrapnel in Fig. 2 is securely welded with front plate by low temperature tin point;In order to enable electrode shrapnel
It is relatively reliable with the dropout of front plate, trip assembley therefor is provided with above lightning protection component, slide block connecting rod in the trip assembley therefor
Shrapnel mandril generates the jacking force to shrapnel end under the action of little spring, low temperature tin point fusing cause electrode shrapnel and
When front plate disengages, shrapnel mandril can push to obtain the spacing of shrapnel end and front plate open bigger, it is ensured that electrode shrapnel and fore-clamp
The lightning protection component that plate is connected is completely disengaged;While slide block connecting rod acts, switch mandril above will be on microswitch
Switch shrapnel compressed to switching surface so that normally opened inside the microswitch, normally closed contact conversion position;It can be with from Fig. 5
Find out, the microswitch is drawn the opening and closing signal of interior contacts by switching out foot, and connecting side is passed through by remote signalling line
Threading hole on plate is then connected on the remote signalling interface on rear side of the pedestal;Or in the action of the slide block connecting rod,
Green mobile block above moves forward, and makes to be blocked in following red fixed block originally and reveals, and so passes through institute in Fig. 1
Stating the indicating window of upper cover can just see that green mark is transformed into red, that is, prompted the working condition of lightning protection for power supply by
" normal " has changed into " failure ", so that it may field maintenance person be submitted to carry out handling failure.
As shown in fig. 6, it is a kind of circuit structure signal of the switching type power supply lightning protection device of band dropout protection of the present embodiment
Figure;Two parts of lightning protection component and trip assembley therefor are broadly divided into figure, the main body of the lightning protection component is Spaced closed assembly
Graphite disk and insulating washer, the graphite disk are a kind of thin slices of circular solid graphite conductive material, can be born more
The impact of secondary instantaneous large-current, can high pressure resistant, corrosion-resistant, high temperature resistant, therefore be a kind of good lightning protection component;Due to anti-
It cannot influence to be worked by protection power source circuit when thunder device is not be subject to thunder and lightning and surge impact, electric leakage or short can not be caused
Road, therefore the good polytetrafluoroethylene material of insulation performance is process insulating washer as wall, it is installed at two panels
Between graphite disk, so usually the main body of lightning protection component cannot be conductive, only when being subject to thunder and lightning or surge impact, high-voltage electricity
Stream could puncture the air layer among insulating washer, form current path;After surge current, lightning protection component still recovers
Insulation performance;As can be seen from Figure 6, the eight high pressure patch capacitor one end installed on circuit boards pass through again after linking together
Rear plate is connected to the interface of the ground wire of PE poles, and the other end is arranged pin by two group of four core and is connected on each graphite disk, these high pressures
Patch capacitor plays the role of accelerating surge current of releasing;The front plate of lightning protection component is connected to by elastic electrode in circuit
Double end terminal piece and power interface, the power interface can be connected when in use with the firewire L in power circuit or zero curve N;Institute
The rear plate for stating lightning protection component connects interface of the ground wire by single head terminal plate, and the interface of the ground wire when in use can be with power circuit
In big ground terminal PE connections.
Again as indicated with 6, trip assembley therefor critically important also in the utility model embodiment in circuit, the trip assembley therefor
In slider bottom plate, slide block connecting rod and microswitch etc., coordinate with the electrode shrapnel in the lightning protection component, reinforcement electricity can be played
Pole dropout, state instruction and remote signalling contact transformation;Electrode dropout is the autoprotection device in lightning protection for power supply, because anti-
Once there is the work that the failure of itself will influence external power supply circuit in thunder component, once it is subject to external power supply transient state power frequency mistake
When voltage acts on, internal graphite device is possible to excessive heating due to continuous discharge, when serious may catching fire, therefore must
Lightning protection component need be departed from rapidly with power circuit in failure;On the one hand when the heat of the lightning protection component adstante febre passes to
On front plate during low temperature tin point, the fusing of tin point can be caused quickly, so that electrode shrapnel departs from front plate, on the other hand existed
Under the slide link of trip assembley therefor further promotes, electrode shrapnel is completely separated with front plate;After the movement of Simultaneous Switching jacking block
It is pressed on the switch shrapnel of microswitch so that microswitch interior contacts are converted, and normally opened, normally closed signal passes through remote signalling line
It is connected to on interface of the ground wire remote signalling interface side by side, also acting instruction lightning protection device work on slide link after the displacement of green mobile block
Make the effect of state.
As shown in fig. 7, it is that a kind of the thread off switching type power supply lightning protection device of protection of band of the present embodiment splices and combines signal
Figure;A kind of switching type power supply lightning protection device for band dropout protection introduced in the embodiment above, is only the one of lightning protection for power supply
A modular unit such as applies lightning protection for power supply when in single-phase source system, is existed with two such lightning protection for power supply combinations
Together, it is inserted into respectively by splicing bolt in the pedestal splicing slot that the upper cover between two upper covers is spliced between slot and pedestal,
The front side of two lightning protection for power supply is connected on respectively by the L and N of protection power source line, and two power supplys on each lightning protection for power supply connect
String holes need to only connect one of those, and two on rear side of assembly interface of the ground wire is connected to external the earth terminal again after being connected with bus-bar
PE;It if applied on three-phase power supply system, is splicing together with four lightning protection for power supply, before four lightning protection for power supply
Side meets L1, L2, L3 and N of power cord respectively, and each pair power supply wiring hole of each lightning protection for power supply equally only connects one of those,
Interface of the ground wire on rear side of assembly is connected to external the earth terminals P E again after equally being connected with bus-bar;On lightning protection for power supply assembly
The pin of each remote signalling interface to link together and be followed by remote monitor device, using normally opened (NO) contact by each group
A docking point is formed after contact parallel connection, a docking point is formed after each group contact is connected using normally closed (NC) contact.
It should be noted that draw above is the non-failure state of lightning protection component in two figures in attached drawing 3, figure below is lightning protection
Component failure state.
The switching type power supply lightning protection device of a kind of band dropout protection of the utility model, by switching type power supply lightning protection device
Increase trip assembley therefor in graphite lightning protection component, it, can be short-circuit in itself in lightning protection for power supply while power lightning protection is effectively carried out
When failing or being subject to the effect of transient state power-frequency overvoltage, lightning protection can be made under the mating reaction of electrode shrapnel and tripping mechanism
Device disconnects rapidly with being connect power circuit, it is ensured that power lightning protection will not cause catching fire, ensure that power-supply system uses electricity
The safety of source lightning protection device.
Above-described embodiment should not in any way limit the utility model, all by the way of equivalent substitution or equivalency transform
The technical solution of acquisition is all fallen in the scope of protection of the utility model.
Claims (8)
- The switching type power supply lightning protection device of protection 1. a kind of band is threaded off, it is characterised in that:It includes housing;The housing by upper cover and Pedestal fastens, and top surface is equipped with indicating window, and lightning protection component is housed in pedestal, and the top of lightning protection component is equipped with trip assembley therefor; The lightning protection component includes lightning protection component and metal electrode;The lightning protection component both sides are equipped with front plate and rear plate;It is described The double end terminal piece of metal electrode including front side, the electrode shrapnel being fixedly connected with double end terminal piece and positioned at rear side and rear folder The single head terminal plate of connection among on the outside of plate;It is welded by top on the outside of low temperature bump and front plate on the top of the electrode shrapnel It is connected together;The trip assembley therefor includes tripping mechanism;The tripping mechanism includes slider bottom plate and slide block connecting rod;The sliding block The red fixed block parallel with slider bottom plate is provided on rear side of the top of bottom plate, and passes through connecting lateral plate and red fixed block and is linked to be One, the centre of connecting lateral plate are provided with connecting rod location hole, and the mandril locating slot of front and rear perforation is provided among the bottom of slider bottom plate; The slide block connecting rod lower front part is shrapnel mandril, and its rear end is spring holder, and the intermediate rear end of slide block connecting rod is equipped with auxiliary Locating rod, the top of slide block connecting rod is green mobile block, is cased with little spring on spring holder, and is penetrated together with shrapnel mandril In the mandril locating slot of slider bottom plate, in the connecting rod location hole on auxiliary positioning bar insertion slider bottom plate on slide block connecting rod, bullet Piece mandril front end is withstood on the shrapnel end of electrode shrapnel;The shrapnel mandril of slide block connecting rod is under the action of little spring, generation pair The jacking force of shrapnel end.
- The switching type power supply lightning protection device of protection 2. a kind of band according to claim 1 is threaded off, it is characterised in that:The lightning protection Device is stacked using ten graphite disks and nine insulating washer intervals, and the front plate and rear plate are assembled in both sides; Rear plate is sealed in by connecting rod screw to be screwed on front plate, and graphite disk and insulating washer are fixed to clamp;The lightning protection component Further include circuit board, the centre on the circuit board is each side equipped with one equipped with eight high pressure patch capacitors, circuit board Four cores row's pin is arranged, circuit board matches somebody with somebody the top for being connected on graphite disk, and one end of eight high pressure patch capacitors of circuit board passes through both sides Four cores row pin be clipped in lower section graphite disk edge on;Eight high pressures patch capacitor other end links together be connected to after On clamping plate.
- The switching type power supply lightning protection device of protection 3. a kind of band according to claim 1 is threaded off, it is characterised in that:The double end The upper end of terminal plate and single head terminal plate is provided with terminal screw, lower end is provided with terminal connections circle;The front end of the housing Upside be provided with power end sub-aperture corresponding with the terminal screw of double end terminal piece, housing front end on front side of be provided with and double end The corresponding power interface of terminal connections circle of terminal plate;The power interface inside double end terminal piece by connecting;The housing Rear end on the upside of be provided with ground terminal sub-aperture corresponding with the terminal screw of single head terminal plate, housing rear end rear side set There is interface of the ground wire corresponding with the terminal connections circle of single head terminal plate.
- The switching type power supply lightning protection device of protection 4. a kind of band according to claim 1 is threaded off, it is characterised in that:The housing Front and back end be also respectively provided with mounting hole, upper cover and pedestal are fixed for passing through screw;Guide rail is equipped with below the pedestal Bayonet, pedestal rear side lower section are provided with guide rail clamp, guide rail are installed for clamping.
- The switching type power supply lightning protection device of protection 5. a kind of band according to claim 1 is threaded off, it is characterised in that:The housing Rear side is additionally provided with a remote signalling interface;The trip assembley therefor further includes remote signalling mechanism, and the remote signalling mechanism includes microswitch, opens Close shrapnel, remote signalling line and remote signalling terminal;The microswitch crouches in the plane of slider bottom plate, in the slide block connecting rod Between front end be additionally provided with switch jacking block;The switch jacking block of switch shrapnel and the slide block connecting rod on the microswitch leans against one It rises, the foot that switchs out of the microswitch is connected to by remote signalling line in the remote signalling terminal in remote signalling interface.
- The switching type power supply lightning protection device of protection 6. a kind of band according to claim 5 is threaded off, it is characterised in that:The lightning protection Component is subject to transient state power-frequency overvoltage to impact and starts when flowing through larger power current, and lightning protection component generates heat rapidly, and heat passes When on to front plate, the low temperature tin point of welding electrode shrapnel can melt rapidly so that electrode shrapnel departs from front plate, makes power supply Lightning protection device departs from external power supply circuit, and lightning protection component stops fever;During this, the shrapnel mandril reinforcing of trip assembley therefor promotes Shrapnel end expands the spacing of electrode shrapnel and front plate, makes electrode shrapnel and front plate completely disengaged, the shrapnel of trip assembley therefor While mandril acts, switch mandril compresses the switch shrapnel on microswitch to switching surface so that in the microswitch Portion is normally opened, normally closed contact conversion position, and microswitch is drawn the opening and closing signal of interior contacts by switching out foot, by remote signalling Line is delivered to remote signalling interface.
- The switching type power supply lightning protection device of protection 7. a kind of band according to claim 6 is threaded off, it is characterised in that:The shrapnel When mandril acts, green mobile block thereon moves forward, and makes to be blocked in following red fixed block and manifests, the instruction of upper cover Window becomes red from green.
- The switching type power supply lightning protection device of protection 8. a kind of band according to claim 1 is threaded off, it is characterised in that:The housing Upper cover both sides be respectively equipped with two upper covers splicing slots, the pedestal both sides of the housing are also respectively equipped with two pedestal splicing insertings Slot, the splicing dovetail-shape shape of slot are spliced and combined lightning protection for power supply by being inserted into splicing bolt.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108899762A (en) * | 2018-06-28 | 2018-11-27 | 菲尼克斯亚太电气(南京)有限公司 | Symmetric form AC/DC universal multilayer clearance lightning-proof device and its circuit structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108899762A (en) * | 2018-06-28 | 2018-11-27 | 菲尼克斯亚太电气(南京)有限公司 | Symmetric form AC/DC universal multilayer clearance lightning-proof device and its circuit structure |
CN108899762B (en) * | 2018-06-28 | 2024-04-23 | 菲尼克斯亚太电气(南京)有限公司 | Symmetrical alternating current-direct current universal multi-layer gap lightning arrester and circuit structure thereof |
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