CN207265002U - Shove the back-up protection device of protector - Google Patents

Abstract

It the utility model is related to a kind of back-up protection device for the protector that shoves.Left and right wire connection terminal is connected to shove when protector is implemented and damaged to them by main line protects electric main; further include circuit plate module, electromagnetic switch, mutual inductor and magnetictrip; be fixed with circuit plate module resistance, diode, inductance and and capacitance, and be connected in parallel with each other；Main line is equipped with moving contact and stationary contact, and main line is set through mutual inductor, and mutual inductor connection circuit plate module, is equipped with electromagnetic switch between circuit plate module and magnetictrip.Back-up protection device and the Surge Protector of the protector that shoves are used in series; it effectively prevent phenomena such as Surge Protector produces breakdown, short circuit, aging, poor quality because of thunder amplification current impact; caused by mains supply line short circuit; and then phenomena such as causing disaster or tripping to cause electrical equipment cisco unity malfunction on fire; safety guarantee is provided to national defence, industrial and agricultural production, communication, family and office etc.; the utility model is simple in structure, compact.

Description

Shove the back-up protection device of protector

Technical field

It the utility model is related to protection against lightning surge apparatus field, and in particular to a kind of back-up protection for the protector that shoves Device.

Background technology

Surge Protector, abbreviation SPD, suitable for exchange 50/60HZ, rated voltage 110V, 220V to 380V, 415V, In the electric power system or communication system of 440V, the surge of indirectly and directly effects of lightning or other instantaneous overvoltages is protected, The surge used suitable for the field such as home dwelling, the tertiary industry and communication, national defence, industry（Thunder-lightning）After protector Standby protection.At present, because of Lightning Electromagnetic Pulse electric current for 10,20,40,60,80,100kA（8/20μs）、25kA（10/350μs）Punching Hit down or power supply-distribution system power frequency（Failure）Under overvoltage impact, cause Surge Protector breakdown, short circuit, phenomena such as electric leakage so as to The serious accidents such as power supply-distribution system tripping, short circuit, burning are caused to occur.In view of the above problems, after the utility model provides one kind Standby protector, that is, shove（Thunder-lightning）The back-up protection device of protector.

Utility model content

For the deficiency in background technology, a kind of back-up protection device for the protector that shoves of the utility model offer, and gram Disadvantages described above is taken.

Technical solution is used by the utility model：One kind is shoved（Thunder-lightning）The back-up protection device of protector, including Housing, left and right wire connection terminal, main line and handle, the left and right wire connection terminal are connected by main line, further include wiring board Module, electromagnetic switch, mutual inductor and magnetictrip, the magnetictrip is interior to be equipped with mandril, consolidates in the circuit plate module Surely have resistance, diode, inductance and and capacitance, and be connected in parallel with each other；The main line is equipped with moving contact and stationary contact, and main Mutual inductor setting is routed through, the mutual inductor connects circuit plate module, and electricity is equipped between circuit plate module and magnetictrip Magnetic switch, the magnetictrip control the disconnection of moving contact by tripping mechanism, and the tripping mechanism includes drive link, are driven Bar is coaxially fixedly installed poke rod, and the handle is equipped with protrusion, and the protrusion is arranged on the side of the end of poke rod, handle Connecting rod is also associated with, connecting rod is U-shaped structure, and connecting rod connection locking device, locking device connects moving contact by movable feeler lever, described Side connection tension spring of the movable feeler lever away from mandril, passes through torsional spring and buckle mutually spacing, institute between the drive link and poke rod To state drive link and be equipped with boss and salient point and concave-shaped arc surface, the boss is corresponding with mandril, and concave-shaped arc surface is located at the lower section of mandril, and It is arranged far from the side of magnetictrip, the stationary contact fixed setting.The stationary contact fixed setting.

The drive link of the tripping mechanism is placed in the side of mandril in magnetictrip.

The electromagnetic switch includes yoke, moving-conductor, quiet conductor and armature, and the moving-conductor is fixed on armature, armature Elastic component is connected with, the yoke is fixed on mutual inductor periphery, or point is welded on extended quiet conductor wire.

The moving contact periphery is equipped with arc-chute, the U-shaped structure of arc-chute, and is arranged side by side, the moving contact fortune Passed through when dynamic out of U-shaped structure.

The magnetictrip periphery is provided with one layer of shielding case.

The drive link side and the spacing setting of poke rod buckle, opposite side is spacing each other by torsional spring, and the buckle is Notch on poke rod is spacing to drive link holding.

The drive link side is coaxially fixedly installed with poke rod, and can be rotated along the axis.

The locking device includes tripping, clamping plate and lock.

The beneficial effects of the utility model are：The protector that shoves is used in series with Surge Protector (arrester), to prevent Only Surge Protector is because of Lightning Electromagnetic Pulse rush of current, power supply-distribution system power frequency（Failure）Overvoltage is impacted and produced bad The problems such as changing, is short-circuit, avoids various apparatus failures caused by the above problem, such as power supply-distribution system tripping, Surge Protector short circuit The serious accidents such as fire are caused to occur, at the same it is simple in structure, it is compact.

Brief description of the drawings

Fig. 1 is the main structure diagram of the utility model.

Fig. 2 is the structure diagram of the utility model.

Fig. 3 is the partial enlargement structural representation of Fig. 2.

Fig. 4 is the partial enlargement structural representation of tripping mechanism 9 in Fig. 2.

Fig. 5 is attachment structure schematic diagram between drive link 50 and poke rod 60 in Fig. 4.

Fig. 6 is the structure diagram of locking device 80 in Fig. 4.

Fig. 7 is the line map of the utility model.

1, housing in figure；2nd, wire connection terminal；3rd, main line；4th, circuit plate module；41st, resistance；42nd, diode；43rd, it is electric Hold；44th, inductance；5th, electromagnetic switch；51st, yoke；52nd, moving-conductor；53rd, quiet conductor；54th, elastic component；55th, armature；6th, mutual inductor； 7th, magnetictrip；8th, stationary contact；9th, tripping mechanism；10th, moving contact；11st, handle；12nd, arc-chute；13rd, mandril；20th, it is buckled； 50th, drive link；501st, boss；502nd, salient point；60th, poke rod；70th, connecting rod；80th, locking device；801st, tripping；802nd, clamping plate； 803rd, latch；90th, movable feeler lever；130th, torsional spring；140；Tension spring；150th, limited post.

Embodiment

The utility model embodiment is described further below in conjunction with the accompanying drawings.

As shown in Figures 1 to 7, a kind of back-up protection device for the protector that shoves, including housing 1, left and right wire connection terminal 2, master Circuit 3 and handle 11, the left and right wire connection terminal 2 are connected by main line 3, further include circuit plate module 4, electromagnetic switch 5, Mutual inductor 6 and magnetictrip 7, the magnetictrip 7 is interior to be equipped with mandril 13, and resistance is fixed with the circuit plate module 4 41st, diode 42, inductance 44 and capacitance 43, and be connected in parallel with each other, the main line 3 is equipped with moving contact 10 and stationary contact 8, and Main line 3 is set through mutual inductor 6, and the mutual inductor 6 connects circuit plate module 4, circuit plate module 4 and magnetictrip 7 it Between be equipped with electromagnetic switch 5, this electromagnetic switch 5 is by the leading electric conductor in switch（Circuit）In 30 milliamperes of electric current ---- 2000A alternating currents will not act in adjustable value containing square wave（Setting value）, when >=20---2000 peace alternating currents（Containing square wave）Can Being bound to be attracted the powersupply system of disconnection magnetictrip 7 during tone pitch makes 7 akinesia of magnetictrip reach moving contact 10 purposes that will not be disconnected by action；The magnetictrip 7 controls the disconnection of moving contact 10 by tripping mechanism 9, described de- Buckle mechanism 9 includes drive link 50, and drive link 50 is coaxially fixedly installed poke rod 60, the drive link 50 away from mandril 13 one Side is equipped with limited post 150, and limited post 150 is used to be equipped with protrusion to the spacing handle 11 of drive link 50 ejected by mandril 13 111, described raised 111 are arranged on the side of the end of poke rod 60, and handle 11 is also associated with connecting rod 70, and connecting rod 70 is U-shaped knot Structure, connecting rod 70 connect locking device 80, and locking device 80 connects moving contact 10, the moving contact 10 and stationary contact by movable feeler lever 90 Point 8 is correspondingly arranged, and moving contact 10 and stationary contact 11 are the connection stationary contact 8 on main line 12, by its contact or is disconnected And realize the on or off of main line 3, and side connection tension spring 140 of the movable feeler lever 90 away from mandril 13, the drive link Mutually spacing by torsional spring 130 and buckle 20 between 50 and poke rod 60, the drive link 05 is equipped with boss 501 and salient point 502 And concave-shaped arc surface 503, the boss 501 is corresponding with mandril 13, and concave-shaped arc surface 503 is located at the lower section of mandril 13, and is arranged on remote From the side of magnetictrip 7, concave-shaped arc surface 503 is set to prevent from being driven to increase the elasticity of 50 this section of drive link at this When bar 50 resets, big pressure is produced to mandril 13, therefore in contact or close mandril 13,50 end of drive link is contradicted to electromagnetism Buckle releaser 7, concave-shaped arc surface 503 is flexible at this time, and protection drive link 50 damages, and while both having protected mandril 13 or protects transmission Bar 50, prolongs the service life.

50 side of drive link and the 20 spacing settings of buckle of poke rod 60, opposite side is spacing each other by torsional spring 130, institute It is that notch 601 on poke rod 60 is spacing to 50 holding of drive link to state buckle 20.50 side of drive link and poke rod 60 are same Axis is fixedly installed, and can be rotated along the axis.

The locking device 80 includes tripping 801, clamping plate 802 and lock 803, and 803 sides of the lock are salient point 502, When drive link 50 is by 13 thrust of mandril, salient point 502 is to latching 803 secondary impacts, so that locking device 80 goes to act；The company Bar 70 is buckled in a hole of tripping 801, and the tripping 801 is fixed with clamping plate 802 by rivet coaxially slide, the lock 803rd, clamping plate 802 and first 10 three of moving contact are fixed by rivet coaxially slide, are passed through between the clamping plate 802 and lock 803 Torsional spring fixation is spacing, is fixedly connected between clamping plate 802 and movable feeler lever 90.

Moving contact 10 is contacted with stationary contact 8 during 3 normally of main line；When in main line 3 electric current exceed setting electric current or When other fault currents occur for person, the mandril 13 in magnetictrip 7 ejects, and drive link 50 is hit by mandril 13, to away from de- Detain 7 direction of device to move, the salient point 502 on drive link 50 is to latching 803 secondary impacts, so that locking device 80 goes to act, leads to Crossing movable feeler lever 90 drives moving contact 10 to realize the cut-out of main line 3 away from stationary contact 8；When main line 3 repairs normal, pull Handle 11, drives locking device 80 to act by connecting rod 70, and then drives moving contact 10 close to stationary contact 8 by movable feeler lever 90, Sound contact, main line 3 connect, while handle 11 is pulled, its protrusion 111 drives poke rod 60 to turn around its fixing axle It is dynamic, it is spacing due to being equipped between poke rod 60 and drive link 50, therefore drive link 50 also rotates therewith, drive link 50 rotates and pushes top Bar 13 resets.This is reasonable in design simple, and operation is flexible, prolongs the service life, easy to assembly, production cost is low.

The stationary contact 8 is fixedly installed.

The drive link 50 of the tripping mechanism 9 is placed in the side of mandril 13 in magnetictrip 7.

The locking device 8 connects handle 11, resets moving contact 10 by handle 11, is contacted with stationary contact 8, main line 3 conductings.

The electromagnetic switch 5 includes yoke 51, moving-conductor 52, quiet conductor 53 and armature 55, and the moving-conductor 52 is fixed on On armature 55, armature 55 is connected with elastic component 54, and the yoke 51 is fixed on the periphery of mutual inductor 6, or point be welded in it is extended quiet Conductor wire（Bar）On, it is preferable that the moving-conductor 52 and quiet conductor 53 select copper material, and yoke 51 makes for pure iron, works as process Electric current after circuit plate module 4 produces yoke 51 magnetic adsorptive power and is more than suffered by electromagnetic switch 5 during 54 pulling force of elastic component, rank Iron 55 drives moving-conductor 52 to move, and away from quiet conductor 53, electromagnetic switch 5 disconnects, i.e. 7 no current of magnetictrip, is failure to actuate, main Circuit 3 is unaffected.

The periphery of moving contact 10 is equipped with arc-chute 12, the 12 U-shaped structure of arc-chute, and is arranged side by side, described dynamic Contact 10 passes through when moving out of U-shaped structure, and arc quenching effect is good.

The magnetictrip 7 is provided with one layer of shielding case in order to avoid the impact in heavy current magnetic field in its periphery, described Shielding case material is iron sheet.

Specifically, the normal operating conditions of back-up protection device is：Electromagnetic switch 5 and moving contact 10 and stationary contact 8 are in normal Closed state, as 10-100kA of Lightning Electromagnetic Pulse electric current（8/20μs）、25kA（10/350μs）From 2 end of wire connection terminal into fashionable, Electronic contact 10 and stationary contact 8 are in short circuit, conducting in back-up protection device, and Lightning Electromagnetic Pulse electric current passes through Surge Protector RU Release, flow into protecting field G.It can sense at this time in current transformer 6 and produce a pulse current inductive signal, pulse current sense Induction signal passes through circuit plate module 4（That is electronic circuit）Energy expenditure is fallen most, the circuit plate module 4, which has, inhales Energy, rectification, cut ripple, the function of delay, and specifically, during by resistance 41, voltage reduces a part, by 42 rectification of diode, Pass through induction reactance coil again, inductance 44 prevents electric current increase, moves ripple delay, and the absorption of energy is finally carried out by capacitance 43.Then Electromagnetic switch electromagnetic switch 5 is flowed to by the delay of low pass rectifying and wave-filtering again, since electromagnetic switch 5 is in the magnetic fields of main circuit Under, the time of 0.01 second or so is attracted switchs to normally open via normally off, so as to protect magnetictrip 7 not It can be damaged by Lightning Electromagnetic Pulse rush of current, while ensure that moving contact 10 is still within short circuit, conducting shape in main line 3 State.Realize 3 gapless of main line, zero electric arc, by pulse current is big, back-up protection device is failure to actuate, design volume is small mesh 's.

When Surge Protector due to Lightning Electromagnetic Pulse electric current for 10,20,40,60,80,100kA（8/20μs）、25kA （10/350μs）Impact or power supply-distribution system power frequency（Failure）The problems such as overvoltage impact impact, the deterioration of generation, breakdown, short circuit When, power current will enter from 2 end of wire connection terminal, and protecting field G is flowed into by back-up protection device, Surge Protector.When by after The power current of standby protector main line 3 is greater than or equal to 1A（Setting electric current）When, sense equally in current transformer 6 and produce One power current inductive signal, is ibid delayed by electronic circuit low pass rectifying and wave-filtering, electromagnetic switch 5 is flowed to, due to advance Setting electromagnetic switch 5 is less than or equal to 1A in line-frequency induction electric current（Setting electric current）Current field effect will not act, it is so big About acted in 0.1 second or so moving contact 10, switch to normally open by normally closed.It is achieved thereby that back-up protection device passes through power current Less than or equal to 1A（Setting electric current）When, through the action segmentation of moving contact 10 in the experiment time main line 3 of general 0.1 second or so Purpose, reaches the technical requirements of cut-out power current.

The protector that shoves is suitable for being less than or equal to 100kA（8/20μs）And 25kA（10/350μs）All surge protections Device, the protector that shoves are used in series with Surge Protector, to prevent Surge Protector because of Lightning Electromagnetic Pulse rush of current, for Electric system power frequency（Failure）The problems such as what overvoltage was impacted and produced deteriorates, is short-circuit, avoids various electric appliances caused by the above problem The tripping of failure, such as power supply-distribution system, Surge Protector short circuit cause fire serious accident to occur.It is simple in structure at the same time, it is compact, The larger equipment of volume is not limited to, suitable for high 30--50mm, wide 13--36mm, the product of long 80--130mm, while this shoves Protector can also be equipped with signal lamp and signal alarm output port.

The delay output time of the wiring board of the utility model is not limited in 30-100 milliseconds of power frequency；The placement of mutual inductor Position is not limited in being arranged on shell position disclosed in the utility model, can also be arranged on the other positions of housing；Should Embodiment uses the form wiring of wire connection terminal, but is not limited to plug formula, other modes of connection also can be used.

This shoves, surge（Thunder and lightning）Back-up protection device and the Surge Protector of protector are used in series, and effectively prevent wave Surge protector（Such as Surge Protector, arrester etc.）Short circuit, breakdown, aging, poor quality etc. are produced because thunder amplification current impacts now As, cause mains supply line short-circuit, and then phenomena such as causing disaster or tripping to cause electrical equipment cisco unity malfunction on fire, Safety guarantee is provided to national defence, industrial and agricultural production, communication, family and office etc., the utility model is simple in structure, compact.

Every technical staff's notice：Although the utility model is described according to above-mentioned embodiment, this The invention thought of utility model is not limited to that utility model, and any repacking with inventive concept, will all include this specially In sharp scope of patent protection.

Claims (9)

1. a kind of back-up protection device for the protector that shoves, including housing (1), left and right wire connection terminal（2）, main line（3）And handle （11）, the left and right wire connection terminal（2）Pass through main line（3）It is connected, it is characterised in that：Further include circuit plate module（4）, electricity Magnetic switch（5）, mutual inductor（6）And magnetictrip（7）, the magnetictrip（7）It is interior to be equipped with mandril（13）, the wiring board Module（4）On be fixed with resistance（41）, diode（42）, inductance（44）And capacitance（43）, and each other and be connected in series；The master Circuit（3）Equipped with moving contact（10）And stationary contact（8）, and main line（3）Through mutual inductor（6）Set, the mutual inductor（6）Even Link plate module（4）, the circuit plate module（4）With magnetictrip（7）Between be equipped with electromagnetic switch（5）, the electromagnetism Buckle releaser（7）Pass through tripping mechanism（9）Control moving contact（10）Disconnection, the tripping mechanism（9）Including drive link（50）, pass Lever（50）Coaxially it is fixedly installed poke rod（60）, the handle（11）Equipped with protrusion（111）, the protrusion（111）Set In poke rod（60）End side, handle（11）It is also associated with connecting rod（70）, connecting rod（70）For U-shaped structure, connecting rod（70） Connect locking device（80）, locking device（80）Pass through movable feeler lever（90）Connect moving contact（10）, the movable feeler lever（90）It is remote Mandril（13）Side connection tension spring（140）, the drive link（50）With poke rod（60）Between pass through torsional spring（130）And buckle （20）Mutual spacing, the drive link（50）Equipped with boss（501）And salient point（502）And concave-shaped arc surface（503）, the boss （501）With mandril（13）It is corresponding, concave-shaped arc surface（503）Positioned at mandril（13）Lower section, and be arranged far from magnetictrip（7） Side, the stationary contact（8）Fixed setting.

2. the back-up protection device of the protector according to claim 1 that shoves, it is characterised in that：The tripping mechanism（9）'s Drive link（50）It is placed in magnetictrip（7）Interior mandril（13）Side.

3. the back-up protection device of the protector according to claim 2 that shoves, it is characterised in that：The locking device（80）Even Connecting handle（11）.

4. the back-up protection device of the protector according to claim 1 that shoves, it is characterised in that：The electromagnetic switch（5）Bag Include yoke（51）, moving-conductor（52）, quiet conductor（53）And armature（55）, the moving-conductor（52）It is fixed on armature（55）On, rank Iron（55）It is connected with elastic component（54）, the yoke（51）It is fixed on mutual inductor（6）Periphery, or point are welded in extended quiet conduction On line.

5. the back-up protection device of the protector according to claim 1 that shoves, it is characterised in that：The moving contact（10）Periphery Equipped with arc-chute（12）, the arc-chute（12）U-shaped structure, and be arranged side by side, the moving contact（10）From U-shaped knot during movement Passed through in structure.

6. the back-up protection device of the protector according to claim 1 that shoves, it is characterised in that：The magnetictrip（7） Periphery is provided with one layer of shielding case.

7. the back-up protection device of the protector according to claim 1 that shoves, it is characterised in that：The drive link（50）Side With poke rod（60）Buckle（20）Spacing setting, opposite side pass through torsional spring（130）It is spacing each other, the buckle（20）It is poke rod （60）On notch（601）To drive link（50）Holding is spacing.

8. the back-up protection device of the protector according to claim 7 that shoves, it is characterised in that：The drive link（50）Side With poke rod（60）Coaxial fixed setting, and can be rotated along the axis.

9. the back-up protection device of the protector according to claim 8 that shoves, it is characterised in that：The locking device（80）Bag Include tripping（801）, clamping plate（802）And lock（803）.