CN104319755B - Anti-thunder power supply box - Google Patents
Anti-thunder power supply box Download PDFInfo
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- CN104319755B CN104319755B CN201410629743.5A CN201410629743A CN104319755B CN 104319755 B CN104319755 B CN 104319755B CN 201410629743 A CN201410629743 A CN 201410629743A CN 104319755 B CN104319755 B CN 104319755B
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- lightning protection
- protection box
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Abstract
The invention relates to an emergency protection circuit device, in particular to an anti-thunder power supply box. The anti-thunder power supply box comprises a power supply box body, an anti-thunder box body and an alarm box, wherein a power supply is arranged in the power supply box body, an anti-thunder module is arranged in the anti-thunder box body, an alarm module is arranged in the alarm box, a main guide rod and a connecting plug are arranged on one side of the power supply box body, a main sliding base and a bayonet socket are arranged on one side of the anti-thunder box body, the anti-thunder module comprises a discharge tube, a voltage dependent resistor, a heat insulating plate and two radiators, the discharge tube and the voltage dependent resistor are arranged on the two sides of the heat insulating plate, the two radiators are attached to the discharge tube and the voltage dependent resistor, a push plate is arranged on the top of the anti-thunder box body and is connected with the anti-thunder box body through an elastic component, three metal fuse wires which are electrically connected with the alarm module are wound around the push plate, the two ends of each metal fuse wire are clamped to the anti-thunder box body, and the three metal fuse wires are connected through two fuse balls. According to the anti-thunder power supply box, the situation that a power supply module is affected when the anti-thunder module catches fire can be effectively avoided.
Description
Technical field
The present invention relates to a kind of emergency protection circuit device for electric, more particularly to a kind of power lightning protection box.
Background technology
It is well known that thunderbolt refers to a part of powered cloud layer and cloud layer of the another part with xenogenesis electric charge, or band
To electric discharge swift and violent between the earth, the electric discharge between cloud layer mainly has harm to the cloud layer of electricity to aircraft, to the building on ground
Thing and people, animal do not have a significant impact, but electric discharge of the cloud layer to the earth, then building, electronic electric equipment and people, animal are endangered
It is very big.
Powered cloud layer is acted on due to electrostatic induction, makes xenogenesis electric charge in a certain range band in ground, after direct lightning strike occurs, cloud
Layer is powered to rapidly disappear, and some scopes of ground are big due to spreading resistance, so that there is local high voltage, or due to direct lightning strike
In discharge process, powerful pulse current produces electromagnetic induction that high voltage occurs so that dodging in the wire or metal object of surrounding
The phenomenon hit.
In order to prevent from launch aing surprise attack the generation of phenomenon, lightning-protection module is generally set in distribution box, power lightning protection box is formed.Power supply
Power module and lightning-protection module are usually provided with lightning protection box, lightning-protection module is electrically connected with the phase line of power module, and lightning protection
Module passes through wired earth；In the case of voltage stabilization, lightning-protection module is in high-impedance state, when being struck by lightning, lightning protection mould
Gap in block is breakdown, and excessive electric current can be routed to ground down by lightning-protection module in phase line.But if lightning-protection module is located for a long time
Substantial amounts of heat can be produced in the state of conducting, when accumulation of heat to a certain extent when can burn it is on fire so that the power supply that can ignite
Module, causes damage.Therefore, power module is influenceed when how to prevent lightning-protection module from catching fire turns into this area technology urgently to be resolved hurrily
Problem.
In view of above-mentioned defect, the design people is actively subject to research and innovation, to found a kind of power supply of new structure
Lightning protection box, makes it have more the value in industry.
The content of the invention
In order to solve the above technical problems, influence electricity when effectively preventing lightning-protection module from catching fire it is an object of the invention to provide one kind
The power lightning protection box of source module.
Power lightning protection box of the invention, including power supply box, lightning protection box and signal box, electricity is provided with the power supply box
Source, is provided with lightning-protection module in the lightning protection box, alarm modules are provided with the signal box；Wherein,
The side of the power supply box is provided with leading rod and connection-peg, and the side of the lightning protection box is provided with what is caved inward
Main slide and plug socket, the leading rod coordinate slip with the main slide, and the connection-peg is mutually inserted with the plug socket
And electrically connect, one end of the lightning-protection module is by the plug socket and connection-peg and the power electric connection, the lightning protection mould
The other end ground connection of block；
The lightning-protection module includes discharge tube, piezo-resistance, thermal insulation board and radiator, and the discharge tube and piezo-resistance set
Put in the both sides of the thermal insulation board, the radiator is two and is attached in the discharge tube and piezo-resistance；
The push pedal slided relative towards power supply box top-side direction is provided with the top of the lightning protection box, the push pedal is led to
Cross elastomeric element to be connected with the lightning protection box, the metal fuse electrically connected with alarm modules, the gold are wound with the push pedal
The two ends for belonging to fuse are stuck on the lightning protection box, and the metal fuse is three sections and is connected by two fusing balls, the fusing
Ball is mutually attached with the top of the radiator.
Further, the end of the metal fuse is cased with pad and is fixed with end cap, the end cap and pad on top
Between be provided with spring；The opposite side relative with push pedal is provided with limiting plate, the limiting plate and lightning protection box on the lightning protection box
Between be provided with driving screws, the driving screws are used to control the spacing between the limiting plate and the lightning protection box；It is described
The pad of metal fuse end is stuck in the outside of the limiting plate.
Further, the metal fuse includes three sections of left fuse, middle fuse and right fuse, the left fuse, centre
The end of fuse and right fuse junction each other is provided with attachment cap, and the outer rim of the attachment cap inwardly overturns, described
Fusing ball is used to connect the adjacent attachment cap.
Further, U-shaped wire casing is provided with the push pedal, the wire casing includes segmental arc and straightway, the line
It is the through hole of bar shaped that the straightway bottom of groove is downwardly open, and the top of the radiator passes through the through hole and mutually slides, institute
The segmental arc inner side for stating wire casing is provided with cushion, and the straightway of the wire casing is provided with lead groove seat, and the metal fuse is worn
Cross the lead groove seat and be pressed on the cushion.
Further, the radiator includes copper fin, is provided with the top of the fin interconnected
Spacing wire casing and fusing ball groove, the width of the width more than the spacing wire casing of the fusing ball groove, the fusing ball groove and institute
The junction for stating spacing wire casing is cambered surface；The relatively described spacing wire casing of the fusing ball groove is located near wire casing segmental arc
Side.
Further, slide opening and spring eye are provided with the push pedal, are provided with the lightning protection box in the slide opening
The relative slide bar for sliding, is fixed with the elastomeric element in the spring eye, the elastomeric element is spring.
Further, also it is provided with the magnet base that mutual magnetic attracts on the connection-peg and plug socket.
Further, the push pedal is ceramic material push pedal, and the lightning protection box is near power supply box and the side of signal box
It is ceramic material.
Further, the leading rod and connection-peg are two.
By such scheme, the present invention at least has advantages below：When lightning-protection module breaks down, discharge tube or pressure
Quick electrical resistance overheats, radiator transfers heat to the fusing ball of metal fuse, and fusing ball is heated and occurs to melt and then cause metal
Fuse failure, the fusing of metal fuse will bring both sides to influence, and one causes push pedal to lose drawing of the metal fuse to it
Effect, under the impetus of elastomeric element, push pedal is extruded to power supply box and moved, and then separates power supply box and lightning protection box, makes to prevent
Thunder module disconnects with power electric connection, while prevent lightning protection box from catching fire and then the power supply box that ignited due to hypotelorism, secondly golden
Category fuse is connected in the circuit of alarm modules again, and the change of its circuit will cause alarm modules to sound the alarm, and prompting is used
Person checks lightning protection box；Operator according in two fusing balls which fuse, and then judge the failure problems of lightning-protection module.
Described above is only the general introduction of technical solution of the present invention, in order to better understand technological means of the invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is the lateral sectional view of power lightning protection box of the present invention；
Fig. 2 is power lightning protection box top view of the present invention；
Fig. 3 is the structural representation on radiator top in the present invention；
Fig. 4 is the structural representation of metal fuse in the present invention；
Fig. 5 is the circuit diagram of lightning-protection module in first embodiment of the invention；
Fig. 6 is the circuit diagram of alarm modules in second embodiment of the invention；
Fig. 7 is the circuit diagram of alarm modules in third embodiment of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is described in further detail.Hereinafter implement
Example is not limited to the scope of the present invention for illustrating the present invention.
Embodiment one
Referring to Fig. 1 to Fig. 4, a kind of power lightning protection box of a preferred embodiment of the present invention, including power supply box 1, lightning protection box 2 with
And signal box 3, it is provided with power supply box 1 and lightning-protection module 201 is provided with power supply 101, lightning protection box 2, signal box 3 is interior to be provided with police
Report module 301；Wherein, the side of power supply box 1 is provided with leading rod 102 and connection-peg 103, and leading rod 102 and connection-peg 103 are equal
It it is two, the side of lightning protection box 2 is provided with the main slide 202 and plug socket 203 for caving inward, leading rod 102 and main slide 202
Coordinate and slide, connection-peg 103 is mutually inserted and electrically connects with plug socket 203, one end of lightning-protection module 201 passes through plug socket 203
Electrically connected with power supply 101 with connection-peg 103, the other end ground connection of lightning-protection module 201；Lightning-protection module 201 include discharge tube 204,
Piezo-resistance 205, thermal insulation board 206 and radiator 207, the failure of lightning-protection module 201 are usually discharge tube 204 and overheat or press
Quick resistance 205 is overheated, and discharge tube 204 and piezo-resistance 205 are arranged on the both sides of thermal insulation board 206, and radiator 207 is two and pastes
It is attached on discharge tube 204 and piezo-resistance 205；The top of lightning protection box 2 is provided with towards power supply box top-side direction and slides relatively
Dynamic push pedal 208, push pedal 208 is connected by elastomeric element 209 with lightning protection box 2, is wound with push pedal 208 and alarm modules 301
The metal fuse 210 of electrical connection, the two ends of metal fuse 210 are stuck on lightning protection box 2, and metal fuse 210 is for three sections and by two
Individual fusing ball 211 is connected, and fusing ball 211 is mutually attached with the top of radiator 207.
Operation principle of the invention is as follows：When the voltage or electric current of power supply occur fluctuation (being such as struck by lightning), when, lightning protection
The gap of module 201 can be breakdown, and unnecessary electric current is introduced into underground；When lightning-protection module 201 breaks down, discharge tube
204 or piezo-resistance 205 overheat, radiator 207 transfers heat to the fusing ball of metal fuse, and fusing ball is heated and melts
Change and then cause metal fuse to fuse, the fusing of metal fuse will bring both sides to influence, and one causes push pedal to lose metal
To its traction action, under the impetus of elastomeric element, push pedal is extruded and moved fuse to power supply box, and then separates power supply box
And lightning protection box, lightning-protection module is disconnected with power electric connection, while preventing lightning protection box from catching fire and then being ignited due to hypotelorism
Power supply box, secondly metal fuse is connected in the circuit of alarm modules again, the change of its circuit will cause alarm modules to send police
Report sound, reminds user to check lightning protection box；Operator according in two fusing balls which fuse, and then judge lightning protection mould
The failure problems of block.
The installation of metal fuse for convenience, power lightning protection box of the invention, the end of metal fuse 210 is cased with pad
212 and top be fixed with end cap 213, end cap 213 and pad 212 between be provided with spring 214；With push pedal phase on lightning protection box 2
To opposite side be provided with limiting plate 215, driving screws 216, driving screws 216 are provided between limiting plate 215 and lightning protection box 2
For controlling the spacing between limiting plate 215 and lightning protection box 2；The pad 212 of the end of metal fuse 210 is stuck in limiting plate 215
Outside；So, when using, the two ends of metal fuse are stuck in limiting plate outside, it is to be capable of achieving regulation then to adjust driving screws
The pretension intensity of metal fuse, and the spring between pad and end cap, can effectively realize the tensioner of metal fuse.
Power lightning protection box of the invention, metal fuse 210 includes left fuse 217, middle fuse 218 and right fuse 219 3
Section, the end of left fuse 217, middle fuse 218 and right fuse 219 junction each other is provided with attachment cap 220, connects
The outer rim of cap 220 inwardly overturns, and fusing ball 211 is used to connect adjacent attachment cap 220.
Power lightning protection box of the invention, is provided with U-shaped wire casing 221 in push pedal 208, wire casing 221 is including segmental arc and directly
Line segment, it is the through hole of bar shaped that the straightway bottom of wire casing 221 is downwardly open, and the top of radiator 207 is through through hole and mutually sliding
Dynamic, the segmental arc inner side of wire casing 221 is provided with cushion 222, and the straightway of wire casing 221 is provided with lead groove seat 223, and metal melts
Through lead groove seat 223 and being pressed on cushion 222, cushion can effectively protect metal fuse to silk 210, prevent its
Contacted with the hard of wire casing inwall in wire casing.
Radiator 207 includes copper fin, interconnected spacing wire casing 224 is provided with the top of fin and is melted
Interception groove 225, the width of the width more than spacing wire casing 224 of the ball groove 225 that fuses, the company of fusing ball groove 225 and spacing wire casing 224
Place is met for cambered surface；The relative limit wire casing 224 of fusing ball groove 225 is located near the side of the segmental arc of wire casing 221；So, fuse ball
It is in contact with cambered surface, it is ensured that the transmission of heat, when the ball that fuses fuses, remaining fusing ball will be another from fusing ball groove
Break away out, another unblown fusing ball will be skidded off under the slip of cambered surface effect from cambered surface, and push pedal occurs to slide to be made
With.
Slided to effectively be oriented to push pedal, slide opening 226 and spring eye 227 are provided with push pedal 208, set on lightning protection box 2
Have in slide opening 226 with respect to the slide bar 228 for sliding, elastomeric element is fixed with spring eye 227, elastomeric element is spring.
In order to effectively be fitted and connected power supply box and lightning protection box, mutual magnetic is also provided with connection-peg 103 and plug socket 203
Property attract magnet base 229.
Cause ignite power supply box and signal box to prevent lightning protection box from catching fire, push pedal 208 is ceramic material push pedal, lightning protection box
2 are ceramic material near the side of power supply box and signal box.
Embodiment two
Metal fuse, can be by the way of circuit be directly accessed, for example, with reference to Fig. 6, by gold for the control of siren
Category fuse short circuit is connected to the both sides of alarm modules, and when metal fuse is unblown, alarm modules are not opened due to being shorted
Dynamic, after metal fuse fuses, alarm modules send alarm due to being connected into circuit.
Embodiment three
Metal fuse for siren control, can by the way of circuit is accessed indirectly, for example, with reference to shown in Fig. 7,
Metal fuse is arranged in control circuit, the break-make of circuit where alarm modules is controlled by relay 302；Work as metal fuse
When unblown, alarm modules are in off state under the control of relay, and after metal fuse fuses, alarm modules are in relay
Under the control of device alarm is sent in connected state.
The above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, on the premise of the technology of the present invention principle is not departed from, can also make it is some improvement and
Modification, these are improved and modification also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of power lightning protection box, it is characterised in that：Including power supply box, lightning protection box and signal box, set in the power supply box
There is power supply, lightning-protection module is provided with the lightning protection box, alarm modules are provided with the signal box；Wherein,
The side of the power supply box is provided with leading rod and connection-peg, and the side of the lightning protection box is provided with the main cunning for caving inward
Seat and plug socket, the leading rod coordinate slip with the main slide, and the connection-peg is mutually inserted and electricity with the plug socket
Connection, one end of the lightning-protection module by the plug socket and connection-peg and the power electric connection, the lightning-protection module
The other end is grounded；
The lightning-protection module includes discharge tube, piezo-resistance, thermal insulation board and radiator, and the discharge tube and piezo-resistance are arranged on
The both sides of the thermal insulation board, the radiator is two and is attached in the discharge tube and piezo-resistance；
The push pedal slided relative towards power supply box top-side direction is provided with the top of the lightning protection box, the push pedal passes through bullet
Property part be connected with the lightning protection box, be wound with the metal fuse electrically connected with alarm modules in the push pedal, the metal melts
Silk two ends be stuck on the lightning protection box, the metal fuse be three sections and by two fusing balls be connected, it is described fusing ball and
The top of the radiator mutually attaches；
The end of the metal fuse is cased with pad and is fixed with end cap on top, and bullet is provided between the end cap and pad
Spring；The opposite side relative with push pedal is provided with limiting plate on the lightning protection box, and rotation is provided between the limiting plate and lightning protection box
The turn of the screw, the driving screws are used to control the spacing between the limiting plate and the lightning protection box；The metal fuse end
Pad be stuck in the outside of the limiting plate.
2. power lightning protection box according to claim 1, it is characterised in that：The metal fuse includes that left fuse, centre are molten
Three sections of silk and right fuse, the end of the left fuse, middle fuse and right fuse junction each other are provided with attachment cap,
The outer rim of the attachment cap inwardly overturns, and the fusing ball is used to connect the adjacent attachment cap.
3. power lightning protection box according to claim 1, it is characterised in that：U-shaped wire casing is provided with the push pedal, it is described
Wire casing includes segmental arc and straightway, and it is the through hole of bar shaped that the straightway bottom of the wire casing is downwardly open, the radiator
Top is through the through hole and mutually slides, and the segmental arc inner side of the wire casing is provided with cushion, the straightway of the wire casing
Lead groove seat is provided with, the metal fuse is through the lead groove seat and is pressed on the cushion.
4. power lightning protection box according to claim 3, it is characterised in that：The radiator includes copper fin, institute
State and interconnected spacing wire casing and fusing ball groove are provided with the top of fin, the width of the fusing ball groove is more than the limit
The width of bit line groove, the fusing ball groove is cambered surface with the junction of the spacing wire casing；The fusing relatively described limit of ball groove
Bit line groove is located near the side of wire casing segmental arc.
5. power lightning protection box according to claim 1, it is characterised in that：Slide opening and spring eye are provided with the push pedal,
It is provided with the lightning protection box in the slide opening with respect to the slide bar for sliding, the elastomeric element is fixed with the spring eye,
The elastomeric element is spring.
6. power lightning protection box according to claim 1, it is characterised in that：Also it is provided with the connection-peg and plug socket
The magnet base that mutual magnetic attracts.
7. power lightning protection box according to claim 1, it is characterised in that：The push pedal is ceramic material push pedal, described anti-
Thunder case is ceramic material near the side of power supply box and signal box.
8. power lightning protection box according to claim 1, it is characterised in that：The leading rod and connection-peg are two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410629743.5A CN104319755B (en) | 2014-11-11 | 2014-11-11 | Anti-thunder power supply box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410629743.5A CN104319755B (en) | 2014-11-11 | 2014-11-11 | Anti-thunder power supply box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104319755A CN104319755A (en) | 2015-01-28 |
| CN104319755B true CN104319755B (en) | 2017-05-24 |
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ID=52374954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410629743.5A Active CN104319755B (en) | 2014-11-11 | 2014-11-11 | Anti-thunder power supply box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104319755B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659740B (en) * | 2015-02-03 | 2017-09-29 | 苏州九云丰电子科技有限公司 | Series terminal low pressure lightning protection device |
| CN112687069B (en) * | 2020-12-21 | 2022-07-29 | 英格尔自动化(福建)有限公司 | Intelligent fusion terminal system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2864930Y (en) * | 2005-08-30 | 2007-01-31 | 广东省佛山科星电子有限公司 | Fireproof highly effective lightning protection box |
| CN201146384Y (en) * | 2008-01-18 | 2008-11-05 | 西安神电电器有限公司 | Power supply lightning protection box |
| CN103683247A (en) * | 2012-09-12 | 2014-03-26 | 中国铁道科学研究院通信信号研究所 | Power lighting protection box |
-
2014
- 2014-11-11 CN CN201410629743.5A patent/CN104319755B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2864930Y (en) * | 2005-08-30 | 2007-01-31 | 广东省佛山科星电子有限公司 | Fireproof highly effective lightning protection box |
| CN201146384Y (en) * | 2008-01-18 | 2008-11-05 | 西安神电电器有限公司 | Power supply lightning protection box |
| CN103683247A (en) * | 2012-09-12 | 2014-03-26 | 中国铁道科学研究院通信信号研究所 | Power lighting protection box |
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| Publication number | Publication date |
|---|---|
| CN104319755A (en) | 2015-01-28 |
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