CN207853464U - A kind of waterproof construction of lightning protection device - Google Patents
A kind of waterproof construction of lightning protection device Download PDFInfo
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- CN207853464U CN207853464U CN201820144087.3U CN201820144087U CN207853464U CN 207853464 U CN207853464 U CN 207853464U CN 201820144087 U CN201820144087 U CN 201820144087U CN 207853464 U CN207853464 U CN 207853464U
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Abstract
The utility model discloses a kind of waterproof constructions of lightning protection device, belong to the circuit guard technology in lightning protection device, the waterproof construction includes that video input position mounting blocks are located at the first sealing rubber cover extended from the end of video input interface to head end around video input interface, video carry-out bit mounting blocks are located at the second sealing rubber cover extended from the end of video output interface to head end around video output interface, the power input interface is provided with the first matched caulking gum shell, the power output interface is provided with the second matched caulking gum shell；Duct the utility model that the first caulking gum shell and the second caulking gum shell are offered respectively for accessing power input line and power supply output line is reasonable for structure; major embodiment is in the water resistance for improving lightning protection device; be conducive to protect internal circuit board; lightning protection device is less likely to be damaged, and service life is extended.
Description
Technical field
The utility model is related to the circuit guard technology in lightning protection device, more particularly to a kind of waterproof construction of lightning protection device.
Background technology
Lightning protection device, also known as arrester, Surge Protector, surge protector, overvoltage protection device etc., it is mainly anti-including power supply
Thunder device and siganl thunder-proof device, lightning protection device are the damages that the equipment in being struck by lightning is prevented by modern electricity and other technologies.
Thunder energy in arrester absorbs, mainly Zinc-oxide piezoresistor and gas-discharge tube.
Existing lightning protection device is for example previously mentioned in the utility model that notification number is CN103986146A, this application patent
Disclose a kind of monitoring three-in-one lightning arrester comprising bottom case, upper cover, circuit board, MCU, power module, lightning protection device and video
Processing module is equipped with video input line, control input line, power input line, video input line, control in bottom case front end side wall
Input line, power input line are connected with video processing module, MCU, power module respectively, lightning protection device, video processing module, electricity
Source module is connected with MCU respectively, be equipped on the side wall of bottom case rear end the video output cable being connected with MCU, control output line,
Power supply output line, video output cable, control output line, power supply output line output end be connected with video camera.
Existing another kind lightning protection device is as shown in Fig. 4, includes shell 12, is set to 12 interior circuit board of shell, and
It is set to outside shell 12 and is electrically connected to the video input interface 2 of circuit board（For connecting video input line）, power input connects
Mouth 7（For connecting power input line）, video output interface（For connecting video output cable）, power output interface（For even
It is connected to power supply output line）.
But each interface of above-mentioned lightning protection device is exposed on the outside, lightning protection device without any protection, rainwater or dewdrop etc. be easy from
Enter lightning protection device in interface, reach internal circuit board, short circuit occurs so as to cause arrester circuit plate, lightning protection device is caused to damage
It is bad, influence the service life of lightning protection device.
Utility model content
The purpose of this utility model is to provide a kind of waterproof construction of lightning protection device, improves the water resistance of lightning protection device, favorably
In protection internal circuit board, lightning protection device is less likely to be damaged, and service life is extended.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of waterproof construction of lightning protection device, including video input position mounting blocks are located at around video input interface by video
The first sealing rubber cover that the end of input interface extends to head end, video carry-out bit mounting blocks are located at the week of video output interface
The second sealing rubber cover extended from the end of video output interface to head end is enclosed, power input interface is provided with matched
The first caulking gum shell, power output interface is provided with the second matched caulking gum shell；The first sealing rubber
Glue shell and the second caulking gum shell offer the duct for accessing power input line and power supply output line respectively.
Using above-mentioned technical proposal, the first sealing rubber cover carries out after being connected with video input line to video input interface
Sealing, the second sealing rubber cover are sealed after being connected with video output input line to video output interface, the first sealing rubber
Glue shell is sealed after being connected with power input line to power input interface, the first caulking gum shell to power output interface with
Power supply output line is sealed after being connected, to largely avoid rainwater or dewdrop etc. from entering lightning protection device out of interface,
Circuit board inside reaching, arrester circuit plate are not easy short circuit occur, and lightning protection device is less likely to be damaged, the service life of lightning protection device
Increased.
Preferably, shell, which is located at power input interface, is provided with rubber slot, the edge of the first caulking gum shell
It is plugged in rubber slot；Shell, which is located at power output interface, is also provided with rubber slot, the second caulking gum shell
Edge connecting is in corresponding rubber slot.
Using above-mentioned technical proposal, the edge connecting of the first caulking gum shell passes through rubber slot after in rubber slot
The first caulking gum shell is secured, to which the first caulking gum shell is not easy to fall off, stability improves, and passes through the first caulking gum
The power input line of shell is not easy to loosen therewith.
Preferably, the video input interface is plugged with video input line, and the video input line has and video input
The matched video input terminal of interface, the video input terminal end have wide diameter portion, the wide diameter portion fitting first close
Seal rubber sleeve inner wall.
It is defeated can be further increased after wide diameter portion is bonded the first sealing rubber cover inner wall using above-mentioned technical proposal for video
Incoming interface and the leakproofness after video input terminal cooperation.
Preferably, the video output interface is plugged with video output cable, and the video output cable has to be exported with video
The matched video output terminal of interface, the video output terminal end also have wide diameter portion, wide diameter portion fitting second close
Seal rubber sleeve inner wall.
Video can be further increased after the wide diameter portion is bonded the second sealing rubber cover inner wall using above-mentioned technical proposal
Output interface and the leakproofness after video output terminal cooperation.
Preferably, shell offers the mounting hole for installing video input position mounting blocks, the video input position installation
Block is equipped with sealant, and the sealant is provided with the annular groove for being connected in mounting hole.
Using above-mentioned technical proposal, sealant has some deformation natures, after being connected in mounting hole by annular groove,
It deforms upon so that having sealed waterproof effect between mounting hole.
Preferably, fixed glue-line is provided between the sealant and shell.
It using above-mentioned technical proposal, will be carried out by fixed glue-line be bonded between sealant and shell, sealant avoided to change
Become position, video input position mounting blocks also would not displacement.
Preferably, the first caulking gum shell is provided with the conduit for introducing power input line.
Using above-mentioned technical proposal, conduit has certain length, and power input line extend into defeated with power supply again in conduit
Incoming interface is connected with each other, and when twister power input line, will not directly influence the company of power input line and power input interface
Place is met, therefore being capable of holding circuit conducting.
Preferably, outer casing bottom is provided with side plate, and the side plate offers the U-type groove for wearing positioning bolt.
Using above-mentioned technical proposal, bolt passes through U-type groove, and then the end that wears of bolt is fixed on external device, is reached
The purpose of fixed lightning protection device.
In conclusion compared with prior art, the utility model has the following advantages that：1, pass through four sealings of setting
Part improves the water resistance of lightning protection device, is conducive to that internal circuit board, lightning protection device is protected to be less likely to be damaged, service life is prolonged
It is long；2, additionally further reach the sealing effect of mounting hole by the sealant of setting, waterproof effect reaches best as a result,.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the portions the I enlarged drawing of Fig. 1；
Fig. 3 is the part exploded perspective view of embodiment；
Fig. 4 is the structural schematic diagram of the prior art.
Reference numeral：1, video input position mounting blocks；2, video input interface；3, the first sealing rubber cover；4, video is defeated
Go out a mounting blocks；6, the second sealing rubber cover；7, power input interface；8, the first caulking gum shell；10, the second caulking gum
Shell；11, conduit；111, duct；12, shell；13, video input line；14, video input terminal；15, wide diameter portion；16, video is defeated
Outlet；17, video output terminal；18, sealant；19, mounting hole；20, annular groove；21, U-type groove；22, power input line；
23, power supply output line；24, rubber slot.
Specific implementation mode
As described below is only preferred embodiments of the present invention, and protection domain is not limited merely to the embodiment, all
The technical solution belonged under the utility model thinking should belong to the scope of protection of the utility model.Simultaneously it should be pointed out that for
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model, this
A little improvements and modifications also should be regarded as the scope of protection of the utility model.
Referring to Fig. 1 and Fig. 3, a kind of waterproof construction of lightning protection device is suitable for video power supply two-in-one lightning, first against
In the waterproof construction that video lightning protection is made to use, the specially side wall before and after shell 12 offers mounting hole 19, installed in front
Video input position mounting blocks 1 are installed, mounting blocks 1 outer wall in video input position is equipped with sealant 18 in hole 19（Referring to Fig. 2）, close
Sealing 18 is caulking gum, and sealant 18 is provided with annular groove 20, and annular groove 20 is adapted with the thickness of shell 12, passes through
Annular groove 20 is connected at the mounting hole 19 of shell 12（And it is adhesively fixed for example, by the fixed glue-line such as seccotine）
To reach the tight fit between video input position mounting blocks 1 and shell 12.In addition, being provided with side before and after 1 bottom of shell
Plate, side plate angular position are provided with U-type groove 21, and U-type groove 21 is passed through using bolt, and then the end that wears of bolt is fixed on the external world and sets
It is standby upper, achieve the purpose that fixed lightning protection device.
Video input position mounting blocks 1 are circumscribed with video input interface 2（Referring to Fig. 3）, while positioned at video input interface 2
The first sealing rubber cover 3 that surrounding extends from the end of video input interface 2 to head end, the first sealing rubber cover 3, which protrudes from, to be regarded
Frequency input interface 2；Matched with video input interface 2 is video input line 22, and video input line 13 has video inputs
Son 14, video input terminal 14 is inserted into video input interface 2, to which lightning protection device to be connected into the circuit of video system；
In addition, in 14 end of video input terminal there is wide diameter portion 15, wide diameter portion 15 to be bonded 3 inner wall of the first sealing rubber cover.Wide diameter portion
After 15 fitting 3 inner walls of the first sealing rubber cover, after video input interface 2 and the cooperation of video input terminal 14 can be further increased
Leakproofness.
Similarly, video carry-out bit mounting blocks 4,4 outer wall of video carry-out bit mounting blocks and peace are installed in rear side mounting hole 19
Dress is also provided with sealant 18 at hole 19；Video carry-out bit mounting blocks 4 connect video output interface, match with video output interface
What is closed is video output cable 16；Video output cable 16 have with the matched video output terminal 17 of video output interface, regarding
Also there is wide diameter portion 15, wide diameter portion 15 to be bonded 6 inner wall of the second sealing rubber cover for the end of frequency leading-out terminal 17.Wide diameter portion 15 is bonded
After second sealing rubber cover, 6 inner wall, the sealing after video output interface coordinates with video output terminal 17 can be further increased
Property.
It is directed to power lightning protection and makees the water proof structure used, mounting hole is additionally offered for the side wall before and after shell 12
（It is different from aforementioned mounting hole 19, therefore do not mark）, power input interface 7 is plugged in installed in front hole, and power input connects
Mouth 7 is connected with the first matched caulking gum shell 8, and left and right twice rubber slot 24 is provided on 12 side wall of shell,
The edge connecting of first caulking gum shell 8 reaches the fixed effect of limit in rubber slot 24；The side of first caulking gum shell 8
Three horizontal conduits 11 are provided with, 11 end of conduit is duct 111, for introducing power input line 22（Plain conductor passes through
Screw is fixed on power input interface 7）；Lower part is connected to 8 inside of the first caulking gum shell.
Similarly, it is plugged with power output interface in the mounting hole of rear side, power output interface is connected with matched
The side of second caulking gum shell 10, the second caulking gum shell 10 is also equipped with three horizontal conduits 11, and 11 end of conduit is
Duct 111, for introducing power supply output line 23, lower part is connected to 10 inside of the second caulking gum shell；In addition, shell 12 is located at electricity
Also rubber slot 24 is provided at the output interface of source, the edge connecting of the second caulking gum shell 10 is in corresponding rubber slot 24
It is interior.
Claims (8)
1. a kind of waterproof construction of lightning protection device, which is characterized in that including video input position mounting blocks（1）Positioned at video input interface
（2）Around by video input interface（2）The first sealing rubber cover for extending to head end of end（3）, video carry-out bit installation
Block（4）The second sealing rubber cover extended from the end of video output interface to head end around video output interface（6）,
Power input interface（7）It is provided with the first matched caulking gum shell（8）, power output interface is provided with mutually fits with it
The the second caulking gum shell matched（10）；The first caulking gum shell（8）With the second caulking gum shell（10）It opens up respectively useful
In access power input line（22）And power supply output line（23）Duct（111）.
2. a kind of waterproof construction of lightning protection device according to claim 1, which is characterized in that shell（12）Positioned at power input
Interface（7）Place is provided with rubber slot（24）, the first caulking gum shell（8）Edge connecting in rubber slot（24）It is interior；
Shell（12）Rubber slot is also provided at power output interface（24）, the second caulking gum shell（10）Edge insert
It is connected to corresponding rubber slot（24）It is interior.
3. a kind of waterproof construction of lightning protection device according to claim 2, which is characterized in that the video input interface（2）
It is plugged with video input line（13）, the video input line（13）Have and video input interface（2）Matched video input
Terminal（14）, the video input terminal（14）End has wide diameter portion（15）, the wide diameter portion（15）Fitting the first sealing rubber
Gum cover（3）Inner wall.
4. a kind of waterproof construction of lightning protection device according to claim 3, which is characterized in that the video output interface grafting
There is video output cable（16）, the video output cable（16）With with the matched video output terminal of video output interface
（17）, the video output terminal（17）End also has wide diameter portion（15）, the wide diameter portion（15）It is bonded the second sealing rubber cover
（6）Inner wall.
5. a kind of waterproof construction of lightning protection device according to claim 4, which is characterized in that shell（12）It offers for pacifying
Fill video input position mounting blocks（1）Mounting hole（19）, video input position mounting blocks（1）It is equipped with sealant（18）, institute
State sealant（18）It is provided with and is connected in mounting hole（19）Annular groove（20）.
6. a kind of waterproof construction of lightning protection device according to claim 5, which is characterized in that the sealant（18）With shell
（12）Between be provided with fixed glue-line.
7. a kind of waterproof construction of lightning protection device according to claim 1, which is characterized in that the first caulking gum shell
（8）It is provided with for introducing power input line（22）Conduit（11）.
8. a kind of waterproof construction of lightning protection device according to claim 7, which is characterized in that shell（12）Bottom is provided with side
Plate, the side plate offer the U-type groove for wearing positioning bolt（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820144087.3U CN207853464U (en) | 2018-01-26 | 2018-01-26 | A kind of waterproof construction of lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820144087.3U CN207853464U (en) | 2018-01-26 | 2018-01-26 | A kind of waterproof construction of lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207853464U true CN207853464U (en) | 2018-09-11 |
Family
ID=63412991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820144087.3U Active CN207853464U (en) | 2018-01-26 | 2018-01-26 | A kind of waterproof construction of lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207853464U (en) |
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2018
- 2018-01-26 CN CN201820144087.3U patent/CN207853464U/en active Active
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