CN208623772U - A kind of explosion-proof video camera - Google Patents
A kind of explosion-proof video camera Download PDFInfo
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- CN208623772U CN208623772U CN201821326092.2U CN201821326092U CN208623772U CN 208623772 U CN208623772 U CN 208623772U CN 201821326092 U CN201821326092 U CN 201821326092U CN 208623772 U CN208623772 U CN 208623772U
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- light
- explosion
- compensating lamp
- camera lens
- video camera
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Abstract
The utility model discloses a kind of explosion-proof video camera, it includes shell (100), camera lens (200), light compensating lamp (300) and implosion guard plate (400), implosion guard plate (400) is mounted on shell (100), and installation space is formed with shell (100), camera lens (200) and light compensating lamp (300) are respectively mounted in the installation space, shading piece (500) are provided between camera lens (200) and light compensating lamp (300), the inner surface of implosion guard plate (400) is equipped with light-absorption layer (600), light-absorption layer (600) and camera lens (200) opposite position offer the first avoid holes (610), light-absorption layer (600) and light compensating lamp (300) opposite position offer the second avoid holes (620), light-absorption layer (600) can be inhaled Receive the light that camera lens (200) are reflexed to from implosion guard plate (400).Above scheme, which can solve camera lens and light compensating lamp in current explosion-proof video camera and be arranged in same cavity, will lead to the poor problem of shooting quality.
Description
Technical field
The utility model relates to camera technique field more particularly to a kind of explosion-proof video cameras.
Background technique
Currently, increasing with user monitoring demand, video camera is applied in multiple technical fields, it follows that taking the photograph
The environment of camera application becomes increasingly complex.In order to preferably adapt to environment, video camera needs to do corresponding adjustment, so that working as
Preceding camera type in the market is various.
Explosion-proof video camera is a kind of video camera that can resist explosion, for the possible environment that explode, such as is refueled
It stands, tank truck etc..Explosion-proof video camera uses implosion guard plate as preceding shelves glass, explosion-proof in order to have preferable explosion-proof capabilities
The thickness of glass plate is larger (usually in 8mm or more).It is known that in many cases, the shooting of video camera needs light filling, in order to
Light leakage is prevented, the light compensating lamp of explosion-proof video camera is arranged in different cavitys from the camera lens of explosion-proof video camera.Such set-up mode
The stray light that can be avoided light compensating lamp issued section enters directly into camera lens and causes image unclear.It will benefit but such
Light lamp and camera lens are laid in the intracorporal explosion-proof video camera of different chambers respectively, and there are the biggish problems of volume, it is more difficult to be flexibly adapted to
Installation environment.
To solve the above-mentioned problems, referring to FIG. 1, Fig. 1 shows a kind of structural schematic diagram of typical explosion-proof video camera, figure
In explosion-proof video camera shown in 2, light compensating lamp 101 and camera lens 102 are laid within the same cavity 103, camera lens 102 and light filling
One circle shading piece 104 of setting, the light that shading piece 104 can prevent light compensating lamp 101 from issuing in certain degree between lamp 101
It enters within camera lens 102.But the implosion guard plate of explosion-proof video camera is thicker, still a part of light can be reflected into mirror
In first 102, the shooting quality for finally still resulting in explosion-proof video camera is bad.
Utility model content
The utility model discloses a kind of explosion-proof video camera, is arranged with solving camera lens and light compensating lamp in current explosion-proof video camera
It will lead to the poor problem of shooting quality in same cavity.
To solve the above-mentioned problems, the utility model adopts the following technical solutions:
A kind of explosion-proof video camera, including shell, camera lens, light compensating lamp and implosion guard plate, the implosion guard plate are mounted on
Installation space is formed on the shell and with the shell, the camera lens and the light compensating lamp are installed in the installation space
In, shading piece is provided between the camera lens and the light compensating lamp, the inner surface of the implosion guard plate is equipped with light-absorption layer,
The light-absorption layer position opposite with the camera lens offers the first avoid holes, the light-absorption layer portion opposite with the light compensating lamp
Position offers the second avoid holes, and the light-absorption layer is absorbable from the implosion guard plate to the light of the lens reflex.
Preferably, in above-mentioned explosion-proof video camera, the shading piece is the shading sponge being arranged on the lens.
Preferably, in above-mentioned explosion-proof video camera, the quantity of the light compensating lamp is two, and two light compensating lamps are respectively set
The camera lens two sides up and down and centered on the camera lens it is symmetrical.
Preferably, in above-mentioned explosion-proof video camera, two second avoid holes are symmetricly set on first avoid holes
Upper and lower two sides.
Preferably, in above-mentioned explosion-proof video camera, the light compensating lamp is infrared lamp.
Preferably, in above-mentioned explosion-proof video camera, the second avoid holes size in the horizontal direction is greater than it in vertical side
To size.
Preferably, in above-mentioned explosion-proof video camera, the light compensating lamp is LED light.
Preferably, in above-mentioned explosion-proof video camera, the light-absorption layer is the black silk-screen being pasted onto the implosion guard plate
Layer.
Preferably, in above-mentioned explosion-proof video camera, the distance between the light compensating lamp and the implosion guard plate are less than described
The distance between camera lens and the implosion guard plate.
Preferably, in above-mentioned explosion-proof video camera, the optical axis two sides of the light compensating lamp are respectively inside light filling region and outside
Light filling region, inside light filling region is between outside light filling region and the camera lens, inside light filling region
Light filling angle be less than outside light filling region light filling angle.
Preferably, in above-mentioned explosion-proof video camera, the explosion-proof video camera is explosion-proof vent machine.
The technical solution adopted in the utility model can reach it is following the utility model has the advantages that
Explosion-proof video camera disclosed by the utility model is laid with light-absorption layer in the inner surface of implosion guard plate, and light-absorption layer is opened
If the first avoid holes and the second avoid holes can avoid camera lens and light compensating lamp respectively, that is to say, that light-absorption layer do not influence camera lens and
The normal work of light compensating lamp, the light absorption that light-absorption layer can reflect implosion guard plate, the light quilt for avoiding light compensating lamp from issuing
Implosion guard plate reflexes in camera lens, the influence that also can preferably avoid light compensating lamp from shooting camera lens.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is a kind of partial structure diagram of typical explosion-proof video camera in the prior art；
Fig. 2 is the partial structure diagram of explosion-proof video camera disclosed in the utility model embodiment, and the dotted line in Fig. 2 is one
The optical axis of a light compensating lamp；
Fig. 3 is the right view of Fig. 2, and implosion guard plate is not shown in Fig. 3.
Description of symbols:
101- light compensating lamp, 102- camera lens, 103- cavity, 104- shading piece；
100- shell, 200- camera lens, 300- light compensating lamp, 400- implosion guard plate, 500- shading piece, 600- light-absorption layer,
The first avoid holes of 610-, the second avoid holes of 620-.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
Below in conjunction with attached drawing, technical solution disclosed in each embodiment of the utility model is described in detail.
Fig. 2 and Fig. 3 are please referred to, the utility model embodiment discloses a kind of explosion-proof video camera, disclosed explosion-proof video camera
Including shell 100, camera lens 200, light compensating lamp 300 and implosion guard plate 400.
Shell 100 is the external protection part of explosion-proof video camera, provides installation foundation for other components of explosion-proof video camera.It is anti-
Quick-fried glass plate 400 is mounted on shell 100 and forms installation space with shell 100.Camera lens 200 and light compensating lamp 300 are respectively mounted
In the installation space.Same as the prior art, towards implosion guard plate 400, camera lens 200 is logical for camera lens 200 and light compensating lamp 300
Cross the shooting that implosion guard plate 400 realizes image.The light that light compensating lamp 300 projects penetrates implosion guard plate 400, is camera lens 200
Shooting implement light filling.
The some light that light compensating lamp 300 issues in order to prevent is projected directly in camera lens 200, in the present embodiment, camera lens 200
Shading piece 500 is provided between light compensating lamp 300, shading piece 500 plays the role of light blocking, the light for avoiding light compensating lamp 300 from issuing
Line (i.e. stray light) channels in camera lens 200.
Implosion guard plate 400 has preferable protective action.The inner surface of implosion guard plate 400 is equipped with light-absorption layer
600, the position opposite with camera lens 200 of light-absorption layer 600 offers the first avoid holes 610, and the first avoid holes 610 make camera lens 200
It can be shot by the region opposite with the first avoid holes 610 of implosion guard plate 400.Light-absorption layer 600 and 300 phase of light compensating lamp
Pair position offer the second avoid holes 620.Second avoid holes 620 enable camera lens 200 to pass through implosion guard plate 400 and
The opposite region of two avoid holes 620 is shot.Certainly, the first avoid holes 610 should not influence the shooting angle of camera lens 200,
Equally, the second avoid holes 620 should not also influence the light filling angle of light compensating lamp 300.
Explosion-proof video camera disclosed in the utility model embodiment is laid with light-absorption layer in the inner surface of implosion guard plate 400
600, the first avoid holes 610 and the second avoid holes 620 that light-absorption layer 600 opens up can avoid camera lens 200 and light compensating lamp respectively
300, that is to say, that light-absorption layer 600 does not influence the normal work of camera lens 200 and light compensating lamp 300, and light-absorption layer 600 can will reflect
To the light absorption of implosion guard plate 400, the light for avoiding light compensating lamp 300 from issuing reflexes to camera lens 200 by implosion guard plate 400
In, meanwhile, light-absorption layer 600 plays the role of partial occlusion, can fall the light absorption for being projected directly at thereon, avoid this portion
Light splitter is scattered to again in camera lens 200, it is seen then that explosion-proof camera shooting function disclosed in the utility model embodiment preferably avoids light filling
The influence that lamp 300 shoots camera lens 200.
In general, light compensating lamp 300 is in the process of work, the light issued is not only projected to implosion guard plate 400,
Directive camera lens 200 can be tilted.Shading piece 500 is arranged between camera lens 200 and light compensating lamp 300, can be avoided Ray obliquity projection
After enter in camera lens 200.In order to realize preferable isolation effect, in preferred scheme, shading piece 500 is set in camera lens 200
On, and then can avoid being interfered by light compensating lamp 300 from multiple directions.Shading piece 500 can be shading sponge, or other
The structural member that light-proof material is prepared.The utility model embodiment does not limit the specific material of shading piece 500.
Current explosion-proof video camera generallys use a fairly large number of small-power plug-in unit lamp, more (at least three, usually more
It is more) small-power plug-in unit lamp array arrangement, more small-power plug-in unit lamps make light leakage work more difficult progress, are difficult to avoid camera lens
200 from light compensating lamp interference.Explosion-proof video camera disclosed in the present embodiment can select higher two light compensating lamps 300 of power
Original more small-powers plug-in unit lamp is substituted, this can be reduced the quantity of light source, and then can largely reduce and prevent light leakage
Work difficulty, and then designer's pooling of resources is facilitated to carry out leakproof light processing.Light compensating lamp 300 disclosed in the present embodiment can be with
For the biggish LED lamp of power, such as there is the more middle power LED lamp sold in the market.Certainly, shooting quality is not being influenced
Under the premise of, light compensating lamp 300 can also use one.
It is clearly shot in order to enable explosion-proof video camera also can be carried out in darker environment, in preferred scheme, light filling
Lamp 300 can be infrared lamp.
Based on the higher light compensating lamp of power is used, in preferred scheme, the quantity of light compensating lamp 300 can be two, two
Light compensating lamp 300 is laid in two sides up and down of camera lens 200 and symmetrical centered on camera lens 200 respectively, and then reaches symmetrical benefit
The effect of light.In order to better adapt to lighting condition, in preferred scheme, two the second avoid holes 620 can be symmetrically arranged
In the two sides up and down of the first avoid holes 610.
Since camera lens 200 is smaller in the field angle of vertical direction, two can be adjusted by setting light-blocking structure
Light compensating lamp 300 vertical direction light filling angle, and then achieve the purpose that limit vertical direction light filling angle, so as to reduce light
A possibility that line is directly entered camera lens 200 by the reflection of implosion guard plate 400.
It is then more difficult in the horizontal direction that camera lens 200 is produced since light compensating lamp 300 is distributed in vertical direction and about 200 camera lens
It is raw to influence.The first avoid holes 610 and the second avoid holes 620 being opened on light-absorption layer 600 enable to explosion-proof video camera to pass through
First avoid holes 610 and the second avoid holes 620 expose camera lens 200 and light compensating lamp 300 respectively.Second avoid holes 620 can be in water
Square upwards as much as possible guarantee light filling angle, vertical direction can be determined by the way of computer sim- ulation in the vertical direction
Light filling angle, and then can make light compensating lamp 300 that can either meet the light filling angle of vertical direction, and light can be prevented by explosion-proof glass
Glass plate 400 is reflected and is entered in camera lens 200.In order to meet above-mentioned requirements, in preferred scheme, the second avoid holes 620 are in water
Square to size can be greater than its vertical direction size.
In the present embodiment, light-absorption layer 600 can absorb the light injected thereon, and light-absorption layer 600 can be using suction
Luminescent material is made, such as black material usually has preferable photo absorption performance.In a kind of specific embodiment, light-absorption layer 600
It can be the black silk-screen layer for being pasted onto the inner surface of implosion guard plate 400.
In order to which the light for preferably avoiding light compensating lamp 300 from generating influences camera lens 200, in preferred scheme, light compensating lamp 300
As much as possible close to the inner surface of implosion guard plate 400, farthest to increase the light-emitting angle of light compensating lamp 300, in turn
Improve the light extraction efficiency of light compensating lamp 300.Based on this, in preferred scheme, between light compensating lamp 300 and implosion guard plate 400 away from
From less than the distance between camera lens 200 and implosion guard plate 400.Such set-up mode can further avoid light compensating lamp 300
The light slanted out enters the possibility in camera lens 200, while can improve the light extraction efficiency of light compensating lamp 300 again.
Referring again to Fig. 2, in preferred scheme, explosion-proof video camera disclosed in the present embodiment, light compensating lamp 300 includes
Light filling region, light compensating lamp 300 can implement light filling for the shooting of camera lens 200.The optical axis of light compensating lamp 300 is (such as dotted line institute in Fig. 2
Show) by light filling region segmentation inside light filling region and outside light filling region, inside light filling region be located at outside light filling region with
Between camera lens 200.Under the premise of not influencing 300 light filling effect of light compensating lamp, the light filling angle in the inside light filling region of light compensating lamp 300
The light filling angle b in outside light filling region can be less than by spending a, and then can be reduced the light that light compensating lamp 300 is biased to 200 side of camera lens,
And then the case where light enters camera lens 200 and influences camera lens 200 generation can be further reduced.Certainly, in such cases, light filling
Lamp 300 is inclined light distribution light compensating lamp, and designer can realize said effect with reflective optical system or inclined light-distribution lens partially by designing.
Explosion-proof video camera disclosed in the present embodiment can be explosion-proof vent machine, or the explosion-proof video camera of other structures,
The utility model embodiment does not limit the specific type of explosion-proof video camera.
Emphasis describes the difference between each embodiment in the utility model foregoing embodiments, between each embodiment
As long as different optimization feature non-contradiction, can combine to form more preferably embodiment, it is contemplated that style of writing is succinct, this then no longer
It repeats.
The above description is only the embodiments of the present invention, is not intended to limit the utility model.For this field
For technical staff, various modifications and changes may be made to the present invention.All institutes within the spirit and principle of the utility model
Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of the claims of the utility model.
Claims (11)
1. a kind of explosion-proof video camera, which is characterized in that including shell (100), camera lens (200), light compensating lamp (300) and implosion guard
Plate (400), the implosion guard plate (400) are mounted on the shell (100) and form installation sky with the shell (100)
Between, the camera lens (200) and the light compensating lamp (300) are installed in the installation space, the camera lens (200) and the benefit
It is provided between light lamp (300) shading piece (500), the inner surface of the implosion guard plate (400) is equipped with light-absorption layer
(600), the light-absorption layer (600) and the camera lens (200) opposite position offer the first avoid holes (610), the extinction
Layer (600) and the light compensating lamp (300) opposite position offer the second avoid holes (620), and the light-absorption layer (600) is absorbable
The light of the camera lens (200) is reflexed to from the implosion guard plate (400).
2. explosion-proof video camera according to claim 1, which is characterized in that the shading piece (500) is to be set in the mirror
Shading sponge on head (200).
3. explosion-proof video camera according to claim 1, which is characterized in that the quantity of the light compensating lamp (300) be two, two
A light compensating lamp (300) is separately positioned on two sides up and down of the camera lens (200) and right centered on the camera lens (200)
Claim distribution.
4. explosion-proof video camera according to claim 3, which is characterized in that two second avoid holes (620) symmetrically set
It sets in the two sides up and down of first avoid holes (610).
5. explosion-proof video camera according to claim 1, which is characterized in that the light compensating lamp (300) is infrared lamp.
6. explosion-proof video camera according to claim 1, which is characterized in that second avoid holes (620) are in the horizontal direction
Size be greater than its vertical direction size.
7. explosion-proof video camera according to claim 1, which is characterized in that the light compensating lamp (300) is LED light.
8. explosion-proof video camera according to claim 1, which is characterized in that the light-absorption layer (600) is described anti-to be pasted onto
Black silk-screen layer in quick-fried glass plate (400).
9. explosion-proof video camera according to claim 1, which is characterized in that the light compensating lamp (300) and the implosion guard
The distance between plate (400) is less than the distance between the camera lens (200) and the implosion guard plate (400).
10. explosion-proof video camera according to claim 1, which is characterized in that distinguish the optical axis two sides of the light compensating lamp (300)
For inside light filling region and outside light filling region, inside light filling region is located at outside light filling region and the camera lens
(200) between, the light filling angle (a) in inside light filling region is less than the light filling angle (b) in outside light filling region.
11. explosion-proof video camera according to claim 1 to 10, which is characterized in that the explosion-proof video camera is anti-
Squib machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821326092.2U CN208623772U (en) | 2018-08-16 | 2018-08-16 | A kind of explosion-proof video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821326092.2U CN208623772U (en) | 2018-08-16 | 2018-08-16 | A kind of explosion-proof video camera |
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| Publication Number | Publication Date |
|---|---|
| CN208623772U true CN208623772U (en) | 2019-03-19 |
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ID=65715345
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821326092.2U Active CN208623772U (en) | 2018-08-16 | 2018-08-16 | A kind of explosion-proof video camera |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764291A (en) * | 2021-02-08 | 2021-05-07 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN114422666A (en) * | 2021-12-24 | 2022-04-29 | 浙江大华技术股份有限公司 | Camera and monitoring system |
| CN115209022A (en) * | 2022-07-14 | 2022-10-18 | 杭州海康威视数字技术股份有限公司 | Camera case assembly and camera |
| CN115297235A (en) * | 2022-07-21 | 2022-11-04 | 杭州海康威视数字技术股份有限公司 | Image acquisition apparatus and control method of image acquisition apparatus |
-
2018
- 2018-08-16 CN CN201821326092.2U patent/CN208623772U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764291A (en) * | 2021-02-08 | 2021-05-07 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN112764291B (en) * | 2021-02-08 | 2022-04-29 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN114422666A (en) * | 2021-12-24 | 2022-04-29 | 浙江大华技术股份有限公司 | Camera and monitoring system |
| CN115209022A (en) * | 2022-07-14 | 2022-10-18 | 杭州海康威视数字技术股份有限公司 | Camera case assembly and camera |
| CN115209022B (en) * | 2022-07-14 | 2023-08-29 | 杭州海康威视数字技术股份有限公司 | Shell subassembly and camera of camera |
| CN115297235A (en) * | 2022-07-21 | 2022-11-04 | 杭州海康威视数字技术股份有限公司 | Image acquisition apparatus and control method of image acquisition apparatus |
| CN115297235B (en) * | 2022-07-21 | 2023-09-01 | 杭州海康威视数字技术股份有限公司 | Image acquisition apparatus and control method of image acquisition apparatus |
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