CN209374195U - A kind of lightning protection device plug - Google Patents
A kind of lightning protection device plug Download PDFInfo
- Publication number
- CN209374195U CN209374195U CN201821824674.3U CN201821824674U CN209374195U CN 209374195 U CN209374195 U CN 209374195U CN 201821824674 U CN201821824674 U CN 201821824674U CN 209374195 U CN209374195 U CN 209374195U
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- CN
- China
- Prior art keywords
- elastic slice
- remote signalling
- pcb board
- hole
- flash barrier
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Abstract
The utility model discloses a kind of lightning protection device plugs, including inner housing, varistor, flash barrier, current bar two, current bar one, remote signalling elastic slice one, remote signalling elastic slice two and driver；First through hole is offered on the wall surface of the inner housing side；The varistor fitting is installed on the lateral surface of inner housing；The inner termination of the current bar two and the outer of varistor connect electrode connection；The remote signalling elastic slice one and remote signalling elastic slice two are installed in inner housing；The external end head of the remote signalling elastic slice one and the external end head of remote signalling elastic slice two connect outside respectively, the inner termination of the remote signalling elastic slice one and the inner termination separation of remote signalling elastic slice two；The second through-hole is offered on the flash barrier；The flash barrier is installed on the inside of inner housing；The inner termination of the current bar one and the surface electrode of varistor connect, and connect outside external end head；The driver is installed in inner housing, and when current bar one and varistor disconnect, and the driver driving flash barrier moves and covers first through hole.
Description
Technical field
The utility model relates to lightning protection device technical fields, and in particular to a kind of lightning protection device plug.
Background technique
Currently, Surge Protector (that is: lightning protection device) generallys use discharge tube or varistor as core devices.But
It is that the varistor after deterioration is generally in short-circuit mode, and the gas-discharge tube after damaging may also cause short circuit.It is protected in surge
When protecting device short circuit, easily causes to be connected between protected device and the earth, cause equipment can not work normally, under serious situation
It may also result in fire.
As motor-car, the increasingly developed of high-speed rail are popularized, the requirement on schedule, on time of railway transportation also becomes increasingly conspicuous therewith,
It is higher and higher to the reliability requirement of signalling arrangement.This requires must swing to peace when breaking down in railway signals equipment
Full side, it may be assumed that it needs that open circuit mode is presented after Surge Protector failure, avoiding signal from directly contacting with the earth leads to progression of failure,
The normal operation for influencing train, prevents the generation of safety accident.
Utility model content
The purpose of this utility model is to provide a kind of lightning protection device plugs, and open circuit mode can be presented after lightning protection device failure,
Security performance is higher.
Technical solution: a kind of lightning protection device plug, including several over-voltage guard assemblies, the over-voltage guard assembly includes inner casing
Body, varistor, flash barrier, current bar two, current bar one, remote signalling elastic slice one, remote signalling elastic slice two and driver；
First through hole is offered on the wall surface of the inner housing side；The varistor fitting is installed on the outside of inner housing
Face, and the surface electrode of the varistor is located at first through hole；
The inner termination of the current bar two and the outer of varistor connect electrode and connect, outside the external end head of the current bar two
Even；
The remote signalling elastic slice one and remote signalling elastic slice two are installed in inner housing；The external end head of the remote signalling elastic slice one and remote signalling
The external end head of elastic slice two is outer respectively to be connected, the inner termination of the remote signalling elastic slice one and the inner termination separation of remote signalling elastic slice two；
The second through-hole is offered on the flash barrier；The flash barrier is installed on the inside of inner housing；It is described when non-faulting
Second through-hole and first through hole are coaxial, and in the inner termination to remote signalling elastic slice two of flash barrier external pressure remote signalling elastic slice one；
The inner termination of the current bar one, which passes sequentially through, to be connected with the surface electrode of varistor after the second through-hole, first through hole
It connects, connects outside external end head；
The driver is installed in inner housing, and when current bar one and varistor disconnect, the driver
Driving flash barrier moves and covers first through hole.
It further, further include mounting shell；Several over-voltage guard assemblies are regular to be installed in mounting shell.
It further, further include the pcb board one, pcb board two, several gas-discharge tubes, Ruo Ganzhuan being installed in mounting shell
Needle, several inserting foots are arranged in wiring cable, remote signalling；
The top of several inserting foots is connected on pcb board two behind the bottom surface of mounting shell, and the bottom end of inserting foot is exposed；
Two vertical runs of the pcb board one and pcb board；
Several gas-discharge tubes are connected on pcb board two；The both ends of several switching cables are connected to one He of pcb board
On pcb board two；External end head, the external end head of current bar one, the external end head of remote signalling elastic slice one, the remote signalling elastic slice two of the current bar two
External end head be connected on pcb board one.
Further, the inner housing includes the inner casing of a side opening and the inner cover for being installed on inner casing open side.
Further, the driver is several elastomers；The bottom end of several elastomers is fixedly arranged on the bottom of inner casing, top
Stay on the bottom of flash barrier.
Further, the flash barrier includes flash barrier main body and nip portion；Second through-hole is opened in flash barrier master
The top of body；The nip portion is installed on the side of flash barrier main body, and the side far from flash barrier main body, the nip portion are in
Under it is ramp-like.
Further, the mounting shell includes shell and bottom case；The shell is bottom end opening structure, the bottom case installation
In the bottom of shell.
Further, the exposed junction of the inserting foot is equipped with locking salient point.
Further, the bottom end of the pcb board one is equipped with several switching legs；The corresponding switching leg, the PCB
Switching welding hole is offered on plate two；The switching leg of the pcb board one is plugged together in switching welding hole.
Further, the top of the mounting shell is equipped with locking card slot；The top of the pcb board one is fastened in locking card slot
It is interior.
Compared with prior art, the utility model has the beneficial effects that
(1) it is provided with flash barrier moving up and down in over-voltage guard assembly, passes through varistor in circuit lightning stroke over-voltage
When being discharged, flash barrier can thoroughly block the access between varistor and current bar one, and security performance is higher；
(2) the utility model is small in size, compact-sized；It can be realized full guard mode, i.e., laterally, longitudinally, vertically and horizontally；When
When lightning protection device fails, mode is high-impedance state, highly-safe, avoids signal from directly contacting with the earth by progression of failure, influences
The normal operation of train prevents from causing safety accident.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the explosive view of the utility model；
Fig. 3 is the structural schematic diagram of the regular arrangement of over-voltage guard assembly；
Fig. 4 is the structural schematic diagram of inserting foot；
Fig. 5 is the structural schematic diagram of pcb board one；
Fig. 6 is the structural schematic diagram of pcb board two；
Fig. 7 is the structural schematic diagram of shell；
Fig. 8 is the CC cross-sectional view in Fig. 7；
In figure: 1- shell, 2- bottom case, 3- inner casing, 4- flash barrier, 5- elastomer, 6- current bar one, 7- current bar two, 8-
Remote signalling elastic slice one, 9- remote signalling elastic slice two, 10- varistor, the locking card slot of 101-, 11-PCB plate one, 111- switching leg, 12-
PCB plate two, 121- switching welding hole, 13- switching cable, 14- gas-discharge tube, 15- inserting foot, the locking salient point of 151-, 16- are distant
Letter row's needle, 17- inner cover.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1: please referring to Fig. 1-Fig. 3, and the utility model provides a kind of technical solution: a kind of lightning protection device plug, including
Mounting shell and 3 groups of over-voltage guard assemblies being installed in mounting shell, 1 piece of one 11,1 pieces of pcb board gas discharge of pcb board 2 12,3
16,4 inserting foots 15 of needle are arranged in the remote signalling of switching cable 13,1 of pipe 14,4；
The mounting shell is rectangular case structure, including shell 1 and bottom case 2；The shell 1 is bottom end opening structure, institute
State the bottom that 2 buckle-type of bottom case is installed on shell 1；
The pcb board 1 and the at L-shaped laying shape of pcb board 2 12, and pcb board 1 is vertical shape, pcb board 2 12 is
It is horizontal；3 gas-discharge tubes 14 are respectively welded on pcb board 2 12；The both ends of 4 switching cables 13 are connected to PCB
On plate 1 and pcb board 2 12；The top of 4 inserting foots 15 is welded on PCB plate 2 12 behind the bottom surface of mounting shell, and
The bottom end of inserting foot 15 is exposed；
Every group of over-voltage guard assembly include inner housing, varistor 10, flash barrier 4, current bar 27, current bar 1, distant
Believe elastic slice 1, remote signalling elastic slice 29 and 2 elastomer 5；
The inner housing is rectangular case structure, inner casing 3 including right openings and is installed at 3 right openings of inner casing
Inner cover 17；The left side of the inner casing 3 offers first through hole；The fitting of varistor 10 is installed on 3 left side outer wall of inner casing
Face, and the surface electrode of the varistor 10 is located at first through hole；The inner termination and varistor of the current bar 27
The 10 outer electrode welding that connects connects, and the external end head of the current bar 27 is welded on pcb board 1；
The remote signalling elastic slice 1 and remote signalling elastic slice 29 are installed on the rear in inner casing 3, and remote signalling elastic slice 1 is higher than remote signalling
Elastic slice 29；The external end head of the remote signalling elastic slice 1 and the external end head of remote signalling elastic slice 29 are respectively welded on pcb board 1, institute
The inner termination for stating remote signalling elastic slice 1 is tilted by the elastic force of itself and is separated with the inner termination of remote signalling elastic slice 29；
The flash barrier 4 includes flash barrier main body and nip portion；The top of the flash barrier main body offers the second through-hole；
The nip portion is class structure of right angle tyoe, and right-angle side is bonded the upper lateral part for being installed on flash barrier main body；The flash barrier 4 is pacified
Inside loaded on inner housing, when non-faulting, second through-hole and first through hole are coaxial, and the bevel edge base angle external pressure of nip portion is distant
In the inner termination to remote signalling elastic slice 29 for believing elastic slice 1；The inner termination of the current bar 1 passes sequentially through the second through-hole, first
Pass through eutectic welding tin welding with the surface electrode of varistor 10 after through-hole and form heat release point, external end head is welded in PCB
On plate 1；
Positioned at the lower section of flash barrier main body, the bottom end of the elastomer 5 is fixedly arranged on the bottom of inner casing 3, top stay on every
The bottom of arc plate main body；When current bar 1 and varistor 10 disconnect, the elastomer 5 drives the movement of flash barrier 4 simultaneously
Cover first through hole, meanwhile, the external pressure for being applied to remote signalling elastic slice 1 disappears, the inner termination of remote signalling elastic slice 1 tilt and with it is distant
Believe the inner termination separation of elastic slice 29；
3 groups of over-voltage guard assemblies are regular to be installed in mounting shell.
The elastomer 5 is spring, and the inner bottom of the inner casing 3 is equipped with two conduits；The spring is installed on conduit
It is interior.
The mounting shell and inner housing are using the fire-retardant class F insulating material F of industry, since such material has various shapes,
Impact resistance, while guaranteeing that there is safe insulation between circuit board and adjacent electronics component in the product use process again
Electric property, machinability are good and safe and reliable.
Fig. 4-Fig. 8 is please referred to, for the loosening for effectively preventing lightning protection device plug from generating by vibration, impact, this is practical
It is novel further to devise following anti-loose structure；
(1) top of the mounting shell is equipped with locking card slot 101；The top of the pcb board 1 is fastened in locking card slot
In 101；Since the pcb board 1 in the utility model is together with 2 12 vertical welding of pcb board, have in actual use
Jerk；The mounting stability of pcb board can be largely improved by the top that locking card slot 101 fixes pcb board 1；
(2) bottom end of the pcb board 1 is equipped with 2 switching legs 111；The corresponding switching leg 111, the PCB
Switching welding hole 121 is offered on plate 2 12；The switching leg 111 of the pcb board 1 is plugged together in switching welding hole 121；
(3) exposed junction of the inserting foot 15 is equipped with locking salient point 151；When the utility model, which patches, is installed on pedestal,
Locking salient point 151 can effectively prevent loosening for lightning protection device.
The protected working principle of the utility model:
Over-voltage of being struck by lightning in circuit is discharged by varistor 10；
After varistor 10 is because of overheat caused by overload, the heat release point of low-temperature welding is conducted heat to；
After reaching certain temperature, heat release point scolding tin melts；
Current bar 1 separates under the elastic force of its own with varistor 10；Meanwhile the effect of 4 spring thrust of flash barrier
Under push up, the surface electrode of current bar 1 and varistor 10 is completely separated barrier, disconnection access；Simultaneously as every
Far from remote signalling elastic slice 1, remote signalling elastic slice 1 is popped up under own resilient and is separated with remote signalling elastic slice 29 arc plate 4；
Needle 16 is externally arranged by remote signalling and exports remote signals.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that can these embodiments be carried out with a variety of variations, repaired in the case where not departing from the principles of the present invention and spirit
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of lightning protection device plug, including several over-voltage guard assemblies, it is characterised in that: the over-voltage guard assembly includes inner casing
Body, varistor (10), flash barrier (4), current bar two (7), current bar one (6), remote signalling elastic slice one (8), remote signalling elastic slice two (9)
And driver；
First through hole is offered on the wall surface of the inner housing side；Varistor (10) fitting is installed on the outside of inner housing
Face, and the surface electrode of the varistor (10) is located at first through hole；
The inner termination of the current bar two (7) is connect with the outer electrode that connects of varistor (10), the outer end of the current bar two (7)
Head is outer to be connected；
The remote signalling elastic slice one (8) and remote signalling elastic slice two (9) are installed in inner housing；The external end head of the remote signalling elastic slice one (8)
With the external end head of remote signalling elastic slice two (9) is outer respectively connects, the inner termination of the remote signalling elastic slice one (8) and remote signalling elastic slice two (9) it is interior
End separation；
The second through-hole is offered on the flash barrier (4)；The flash barrier (4) is installed on the inside of inner housing；When non-faulting, institute
State that the second through-hole is coaxial with first through hole, and the inner termination of flash barrier (4) external pressure remote signalling elastic slice one (8) is to remote signalling elastic slice two (9)
On；
The inner termination of the current bar one (6) pass sequentially through after the second through-hole, first through hole with the surface of varistor (10) electricity
Pole connection, external end head connect outside；
The driver is installed in inner housing, and when current bar one (6) and varistor (10) disconnect, the driving
Device driving flash barrier (4) moves and covers first through hole.
2. lightning protection device plug according to claim 1, it is characterised in that: further include mounting shell；Several over-voltage guard assemblies
Regular is installed in mounting shell.
3. lightning protection device plug according to claim 2, it is characterised in that: further include the pcb board one being installed in mounting shell
(11), needle (16), several inserting foots are arranged in pcb board two (12), several gas-discharge tubes (14), several switching cables (13), remote signalling
(15)；
The top of several inserting foots (15) is connected on pcb board two (12) behind the bottom surface of mounting shell, and inserting foot (15)
Bottom end is exposed；
The pcb board one (11) and pcb board two (12) vertical runs；
Several gas-discharge tubes (14) are connected on pcb board two (12)；The both ends of several switchings cable (13) are connected to PCB
On plate one (11) and pcb board two (12)；The external end head of the current bar two (7), the external end head of current bar one (6), remote signalling elastic slice
The external end head of one (8), the external end head of remote signalling elastic slice two (9) are connected on pcb board one (11).
4. lightning protection device plug according to claim 1, it is characterised in that: the inner housing includes the inner casing of a side opening
(3) and it is installed on the inner cover (17) of inner casing (3) open side.
5. lightning protection device plug according to claim 4, it is characterised in that: the driver is several elastomers (5)；It is several
The bottom end of elastomer (5) is fixedly arranged on the bottom of inner casing (3), and top stays on the bottom of flash barrier (4).
6. lightning protection device plug according to claim 1, it is characterised in that: the flash barrier (4) include flash barrier main body and
Nip portion；Second through-hole is opened in the top of flash barrier main body；The nip portion is installed on the side of flash barrier main body, and
Side far from flash barrier main body, the nip portion are ramp-like under being in.
7. lightning protection device plug according to claim 2, it is characterised in that: the mounting shell includes shell (1) and bottom case
(2)；The shell (1) is bottom end opening structure, and the bottom case (2) is installed on the bottom of shell (1).
8. lightning protection device plug according to claim 3, it is characterised in that: the exposed junction of the inserting foot (15) is equipped with locking
Salient point (151).
9. lightning protection device plug according to claim 3, it is characterised in that: the bottom end of the pcb board one (11) is equipped with several
It transfers leg (111)；The switching leg (111) is corresponded to, switching welding hole (121) is offered on the pcb board two (12)；It is described
The switching leg (111) of pcb board one (11) is plugged together in switching welding hole (121).
10. lightning protection device plug according to claim 3, it is characterised in that: the top of the mounting shell is equipped with locking card slot
(101)；The top of the pcb board one (11) is fastened in locking card slot (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824674.3U CN209374195U (en) | 2018-11-07 | 2018-11-07 | A kind of lightning protection device plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824674.3U CN209374195U (en) | 2018-11-07 | 2018-11-07 | A kind of lightning protection device plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374195U true CN209374195U (en) | 2019-09-10 |
Family
ID=67835746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821824674.3U Active CN209374195U (en) | 2018-11-07 | 2018-11-07 | A kind of lightning protection device plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374195U (en) |
-
2018
- 2018-11-07 CN CN201821824674.3U patent/CN209374195U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |