CN208141934U - A kind of lightning protection varistor - Google Patents
A kind of lightning protection varistor Download PDFInfo
- Publication number
- CN208141934U CN208141934U CN201820642332.3U CN201820642332U CN208141934U CN 208141934 U CN208141934 U CN 208141934U CN 201820642332 U CN201820642332 U CN 201820642332U CN 208141934 U CN208141934 U CN 208141934U
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- China
- Prior art keywords
- pin
- bolt
- block
- insulation board
- varistor
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Abstract
The utility model discloses a kind of lightning protection varistors,Including aluminum hull,Capping,First insulation board,Agree with block,Fixed plate,First spring,Fixed pin,Mounting-positioning holes,Radiate fiber,Varistor ontology,Waterproof jacket,Protect lead,Cooling fin,Second insulation board,Bursting diaphragm,Explosionproof hole,Pressure relief opening,Pressure relief device,Connecting pin and pin,The top two sides of the aluminum hull offer mounting-positioning holes,The mounting-positioning holes, which are fitted with, agrees with block,And agree with the two sides of the bottom that block is mounted on capping by bolt,The inside for agreeing with block is equipped with fixed plate by bolt,The side of the fixed plate is equipped with the first spring by buckle,And first spring side by buckle fixed pin is installed,The top insertion of the capping is equipped with the first insulation board,The varistor,Compact,Sound construction,With good lightning protection and explosion prevention function,Substantially increase the safety used.
Description
Technical field
The utility model relates to varistor technical field, specially a kind of lightning protection varistor.
Background technique
Varistor is a kind of resistance device with nonlinear wind vibration, be mainly used for circuit bear over-voltage when into
Row voltage clamping absorbs extra electric current to protect Sensitive Apparatus, and lightning protection piezo-resistor structure in the prior art is simple and crude, encapsulation
Effect is poor, and it is poor not only result in structural stability, and is easy to be immersed by outside moisture, influence using safety；Meanwhile it is existing
Lightning protection varistor in technology, without lightning-arrest and explosion-proof function, when in use, the over-voltage of lightning protection varistor, overcurrent
Or excess temperature can all cause resistive element that partial breakdown occurs, the heat that moment generates makes gas expansion, will lead to varistor drum
Swollen, or even explosion, explosion time causes more serious damage to the electronic component of surrounding so that entire route is disconnected or burnt, and makes
Safety there are certain hidden danger, therefore, it is necessary for designing a kind of lightning protection varistor.
Utility model content
The purpose of this utility model is to provide a kind of lightning protection varistors, to solve mentioned above in the background art ask
Topic.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions：A kind of lightning protection varistor, including
Aluminum hull, the first insulation board, agrees with block, fixed plate, the first spring, fixed pin, mounting-positioning holes, heat dissipation fiber, pressure-sensitive electricity at capping
Hinder ontology, waterproof jacket, protection lead, cooling fin, the second insulation board, bursting diaphragm, explosionproof hole, pressure relief opening, pressure relief device, connecting pin
And pin, the top two sides of the aluminum hull offer mounting-positioning holes, the mounting-positioning holes, which are fitted with, agrees with block, and contract
The two sides of the bottom that block is mounted on capping by bolt are closed, the inside for agreeing with block is equipped with fixed plate by bolt, described solid
The side of fixed board is equipped with the first spring by buckle, and the side of the first spring is equipped with fixed pin, the envelope by buckle
The top insertion of lid is equipped with the first insulation board, and the inside of the aluminum hull is equipped with the second insulation board by bolt, and described second
The top of insulation board is equipped with cooling fin by bolt, and the top of the cooling fin is equipped with varistor ontology by bolt,
And heat dissipation fiber is enclosed on the outside of varistor ontology, the bottom of second insulation board is equipped with bursting diaphragm by bolt,
Explosionproof hole is offered on the bursting diaphragm, the bottom of the aluminum hull offers several pressure relief openings, and is coupled in pressure relief opening
There is pressure relief device, the two sides of the bottom of the aluminum hull are packaged with connecting pin respectively, and the side of connecting pin is packaged with pin.
Further, the inside of the mounting-positioning holes offers pin hole, and fixed pin passes through and agrees with block and connect with pin hole.
Further, the internal sleeve of the aluminum hull is equipped with waterproof jacket.
Further, the pressure relief device is made of push plate, connecting rod, second spring, sealing block and trapezoidal plate, described to let out
The bottom of pressure mouth is equipped with trapezoidal plate, and the inside of the trapezoidal plate is equipped with sealing block, passes through bolt at the top of the sealing block
Connecting rod is installed, and the outer sheath of connecting rod is equipped with second spring, the top of the connecting rod is equipped with push plate by bolt.
Further, the two sides of the bottom of the varistor ontology are packaged with protection lead respectively, and protect lead and draw
Foot connection.
Compared with prior art, the utility model beneficial effect achieved is：The lightning protection varistor, in use, peace
The inside of dress location hole offers pin hole, and fixed pin passes through and agrees with block and connect with pin hole, can be convenient for cover being fixed on aluminium
On shell, increase the tightness of connection, is conducive to the structural strength for improving the varistor；Heat dissipation fiber and cooling fin can will press
The heat that quick resistor main body work generates is distributed, and is conducive to improve heat dissipation effect；When varistor ontology is by excessively high, mistake
Varistor ontology can be made to generate bulk gas and heat when carrying electric current, pressure relief device can effectively reduce gas inside aluminum hull
Pressure also reduces a possibility that generation is exploded, and is conducive to improve explosion-proof effect；First insulation board and the second insulation board can play
The effect of insulation and lightning protection；The inside that aluminum hull can be effectively protected in waterproof jacket is not immersed by moisture, is conducive to what raising used
Safety；The varistor, compact, sound construction have good lightning protection and explosion prevention function, substantially increase use
Safety.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings：
Fig. 1 is the entirety perspective view of the utility model；
Fig. 2 is the whole main view of the capping of the utility model；
Fig. 3 is the partial enlarged view of the capping of the utility model；
Fig. 4 is the schematic diagram of internal structure of the aluminum hull of the utility model；
Fig. 5 is the structural schematic diagram of the pressure relief device of the utility model.
In figure：1, aluminum hull；2, it covers；3, the first insulation board；4, agree with block；5, fixed plate；6, the first spring；7, fixed
Pin；8, mounting-positioning holes；9, radiate fiber；10, varistor ontology；11, waterproof jacket；12, lead is protected；13, cooling fin；
14, the second insulation board；15, bursting diaphragm；16, explosionproof hole；17, pressure relief opening；18, pressure relief device；19, push plate；20, connecting rod；21,
Second spring；22, sealing block；23, trapezoidal plate；24, connecting pin；25, pin.
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, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution：A kind of lightning protection varistor, including aluminum hull 1, envelope
Lid 2, the first insulation board 3 agree with block 4, fixed plate 5, the first spring 6, fixed pin 7, mounting-positioning holes 8, heat dissipation fiber 9, pressure-sensitive
Resistor main body 10, waterproof jacket 11, protection lead 12, cooling fin 13, the second insulation board 14, bursting diaphragm 15, explosionproof hole 16, pressure relief opening
17, pressure relief device 18, connecting pin 24 and pin 25, the top two sides of aluminum hull 1 offer mounting-positioning holes 8, and mounting-positioning holes 8 are matched
Conjunction, which is equipped with, agrees with block 4, and agrees with the two sides of the bottom that block 4 is mounted on capping 2 by bolt, and the inside for agreeing with block 4 passes through bolt
Fixed plate 5 is installed, the side of fixed plate 5 is equipped with the first spring 6 by buckle, and the side of the first spring 6 passes through buckle
Fixed pin 7 is installed, the top insertion for covering 2 is equipped with the first insulation board 3, and the inside of aluminum hull 1 is equipped with second by bolt
The top of insulation board 14, the second insulation board 14 is equipped with cooling fin 13 by bolt, and the top of cooling fin 13 is installed by bolt
There is varistor ontology 10, and the outside of varistor ontology 10 is enclosed with heat dissipation fiber 9, the bottom of the second insulation board 14 passes through
Bolt is equipped with bursting diaphragm 15, and explosionproof hole 16 is offered on bursting diaphragm 15, and the bottom of aluminum hull 1 offers several pressure relief openings 17,
And pressure relief device 18 is fitted in pressure relief opening 17, the two sides of the bottom of aluminum hull 1 are packaged with connecting pin 24, and connecting pin 24 respectively
Side be packaged with pin 25.
Further, the inside of mounting-positioning holes 8 offers pin hole, and fixed pin 7 passes through and agrees with block 4 and connect with pin hole,
It can be fixed on aluminum hull 1 convenient for 2 will be covered, increase the tightness of connection, be conducive to the structural strength for improving the varistor.
Further, the internal sleeve of aluminum hull 1 is equipped with waterproof jacket 11, and the inside of aluminum hull 1 can be effectively protected not by moisture
It immerses, protects the drying property of 1 internal electronic element of aluminum hull, be conducive to improve the safety used.
Further, pressure relief device 18 is by push plate 19, connecting rod 20, second spring 21, sealing block 22 and 23 groups of trapezoidal plate
At the bottom of pressure relief opening 17 is equipped with trapezoidal plate 23, and the inside of trapezoidal plate 23 is equipped with sealing block 22, and the top of sealing block 22 is logical
It crosses bolt and connecting rod 20 is installed, and the outer sheath of connecting rod 20 is equipped with second spring 21, the top of connecting rod 20 passes through bolt
Push plate 19 is installed, when can generate inside aluminum hull 1 compared with atmospheric pressure, so that air pressure pushes push plate 19, sealing block 22 is pushed,
To which gas is dispersed into the external world in trapezoidal plate 23, effectively reduce 1 air pressure inside of aluminum hull, also reduce generate explosion can
Energy property is conducive to improve the safety used.
Further, the two sides of the bottom of varistor ontology 10 be packaged with respectively protection lead 12, and protect lead 12 with
Pin 25 connects, and is convenient for electric signal transmission.
Working principle：In use, capping 2 to be first fixed on to the top of aluminum hull 1, that is, in fixed plate 5 and the first spring
Under the action of 6, fixed pin 7 is squeezed, so that fixed pin 7 shrinks back the inside for agreeing with block 4, block 4 will be agreed with and be put into installation positioning
In hole 8, so that fixed pin 7 agrees under the promotion of the first spring 6 with the pin hole in mounting-positioning holes 8, so that capping 2
It installs and fixes with aluminum hull 1, the pin 25 of 24 bottom of connecting pin is fixedly mounted on external circuitry plate, so that electric current is through pin 25
It is transmitted to protection lead 12, then lead 12 is protected to be transmitted to varistor ontology 10, varistor ontology 10 generates after working
Amount of heat, partial heat is distributed by heat dissipation fiber 9 and cooling fin 13, when varistor ontology 10 is by excessively high, mistake
Varistor ontology 10 can be made to generate bulk gas and heat when carrying electric current, gas is dissipated by the explosionproof hole 16 in bursting diaphragm 15
It is dealt into the inside of aluminum hull 1, so that 1 air pressure inside of aluminum hull is higher than ambient pressure, the pressure release installed inside gas push pressure relief opening 17
Device 18, that is, gas push push plate 19, so that push plate 19 is pushed sealing block 22 by connecting rod 20, gas is through trapezoidal plate 23
A possibility that being inside dispersed into the external world, effectively reduce 1 air pressure inside of aluminum hull, also reducing generation explosion, when heat and gas dissipate
After distributing, under the action of second spring 21, so that push plate 19 is resetted sealing block 22 by connecting rod 20, the first insulation board 3
Can play the role of insulation and lightning protection with the second insulation board 14, waterproof jacket 11 can be effectively protected the inside of aluminum hull 1 not by
Moisture immerses.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of lightning protection varistor, including aluminum hull (1), capping (2), the first insulation board (3), agree with block (4), fixed plate (5),
First spring (6), fixed pin (7), mounting-positioning holes (8), heat dissipation fiber (9), varistor ontology (10), waterproof jacket (11),
Protect lead (12), cooling fin (13), the second insulation board (14), bursting diaphragm (15), explosionproof hole (16), pressure relief opening (17), pressure release
Device (18), connecting pin (24) and pin (25), it is characterised in that：The top two sides of the aluminum hull (1) offer installation positioning
Hole (8), the mounting-positioning holes (8), which are fitted with, agrees with block (4), and agrees with block (4) and be mounted on capping (2) by bolt
Two sides of the bottom, the inside for agreeing with block (4) are equipped with fixed plate (5) by bolt, and the side of the fixed plate (5) passes through card
Button is equipped with the first spring (6), and the side of the first spring (6) is equipped with fixed pin (7) by buckle, the capping (2)
Top insertion is equipped with the first insulation board (3), and the inside of the aluminum hull (1) is equipped with the second insulation board (14), institute by bolt
The top for stating the second insulation board (14) is equipped with cooling fin (13) by bolt, and the top of the cooling fin (13) is pacified by bolt
Heat dissipation fiber (9), second insulation board are enclosed with equipped with varistor ontology (10), and on the outside of varistor ontology (10)
(14) bottom is equipped with bursting diaphragm (15) by bolt, offers explosionproof hole (16), the aluminum hull on the bursting diaphragm (15)
(1) bottom offers several pressure relief openings (17), and is fitted with pressure relief device (18), the aluminum hull in pressure relief opening (17)
(1) two sides of the bottom are packaged with connecting pin (24) respectively, and the side of connecting pin (24) is packaged with pin (25).
2. a kind of lightning protection varistor according to claim 1, it is characterised in that：The inside of the mounting-positioning holes (8)
Offer pin hole, and fixed pin (7) passes through and agrees with block (4) and connect with pin hole.
3. a kind of lightning protection varistor according to claim 1, it is characterised in that：The internal sleeve of the aluminum hull (1) is equipped with
Waterproof jacket (11).
4. a kind of lightning protection varistor according to claim 1, it is characterised in that：The pressure relief device (18) is by push plate
(19), connecting rod (20), second spring (21), sealing block (22) and trapezoidal plate (23) composition, the bottom of the pressure relief opening (17)
It is equipped with trapezoidal plate (23), the inside of the trapezoidal plate (23) is equipped with sealing block (22), and the top of the sealing block (22) is logical
It crosses bolt to be equipped with connecting rod (20), and the outer sheath of connecting rod (20) is equipped with second spring (21), the connecting rod (20)
Top is equipped with push plate (19) by bolt.
5. a kind of lightning protection varistor according to claim 1, it is characterised in that：The bottom of the varistor ontology (10)
Portion two sides are packaged with protection lead (12) respectively, and lead (12) is protected to connect with pin (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642332.3U CN208141934U (en) | 2018-05-02 | 2018-05-02 | A kind of lightning protection varistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642332.3U CN208141934U (en) | 2018-05-02 | 2018-05-02 | A kind of lightning protection varistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208141934U true CN208141934U (en) | 2018-11-23 |
Family
ID=64310784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820642332.3U Expired - Fee Related CN208141934U (en) | 2018-05-02 | 2018-05-02 | A kind of lightning protection varistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208141934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112489908A (en) * | 2020-12-02 | 2021-03-12 | 辰硕电子(九江)有限公司 | Piezoresistor with elastic module |
-
2018
- 2018-05-02 CN CN201820642332.3U patent/CN208141934U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112489908A (en) * | 2020-12-02 | 2021-03-12 | 辰硕电子(九江)有限公司 | Piezoresistor with elastic module |
| CN112489908B (en) * | 2020-12-02 | 2022-04-15 | 辰硕电子(九江)有限公司 | Piezoresistor with elastic module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |