CN204069136U - A kind of glare prevention structure of warehouse separated type thermal camera - Google Patents
A kind of glare prevention structure of warehouse separated type thermal camera Download PDFInfo
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- CN204069136U CN204069136U CN201420485750.8U CN201420485750U CN204069136U CN 204069136 U CN204069136 U CN 204069136U CN 201420485750 U CN201420485750 U CN 201420485750U CN 204069136 U CN204069136 U CN 204069136U
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- camera lens
- ball cover
- shim
- prevention structure
- type thermal
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Abstract
The utility model discloses a kind of glare prevention structure of warehouse separated type thermal camera, comprise housing, housing is fixed with transparent ball cover, it is closed cavity between housing and ball cover, camera lens and the infrared light supply of synchronous axial system are installed in closed cavity, shim is provided with between camera lens and infrared light supply, shim is vertically arranged, closed cavity is divided into the camera lens storehouse of placing camera lens and the accommodating storehouse of placing infrared light supply by shim, described shim upper end is provided with the light barrier extended to direction, camera lens storehouse, is provided with gap △ d between light barrier upper end and ball cover inwall.Shim upper end of the present utility model is provided with the light barrier extended to direction, camera lens storehouse, effectively can stop that the infrared light reflected through ball cover outer wall enters camera lens storehouse and causes dazzle, and can not cause the increase of video camera volume; In addition, ball cover of the present utility model rotates without the need to following camera lens, can carry out more effective being tightly connected, improve sealing property between ball cover and housing.
Description
Technical field
The utility model relates to safety monitoring apparatus field, particularly a kind of glare prevention structure of warehouse separated type thermal camera.
Background technology
In the present age, watch-dog is widely used in the purposes of security protection aspect, and residential quarter, market, office block etc. are local common to the video camera for monitoring.Wherein, spherical thermal camera as shown in Figure 1 has good shooting ability and sealing due to it, is widely used.Described spherical thermal camera comprises housing 1 and transparent ball cover 2, and housing 1 is provided with rotating camera lens and infrared light supply, and ball cover 2 covers effect housing 1 reaching sealing camera lens and infrared light supply.
With reference to Fig. 2, a kind of in existing spherical thermal camera is that employing two pieces of shims 3 are divided into three, left, center, right bin the space between housing 1 and ball cover 2, wherein camera lens is placed on the camera lens storehouse 4 at middle part, infrared light supply is arranged on the accommodating storehouse 5 of camera lens both sides, in order to save ball cover 2 inner space, reduce the volume of video camera, infrared light supply is arranged near shim 3, and the light that infrared light supply sends is parallel with shim 3, camera lens is better coordinated to take.As shown in Figure 3, the shim 3 of existing spherical warehouse separated type thermal camera all extends to ball cover 2 inwall, and ball cover 2 is followed camera lens and rotated, in order to ensure the intensity of video camera, and the thickness d of ball cover 2
1be 1.5 ~ 2.5mm, and the thickness d of shim 3
2it is the thickness d of 0.8 ~ 1.5mm, ball cover 2
1be greater than the thickness d of shim 3
2, the light sent from infrared light supply has part can cross shim 3 to enter camera lens storehouse 4, cause dazzle, affect shooting effect after the reflection of ball cover 2 outer wall.
In order to make the light of infrared light supply directly can not be reflexed in camera lens storehouse 4 by ball cover 2 outer wall, the thickness d of shim 3
2should formula be met:
wherein θ is the angle of reflection that light that infrared light supply sends reflects through ball cover 2 outer wall, according to the installation site of shim 3, the angular range of θ is that (width in camera lens storehouse 4 can not be narrow, and therefore θ is not less than 10 ° for 10 ° of < θ <45 °; When θ is greater than 45 °, reflection ray is to external reflectance, does not do to consider), when not changing angle of reflection θ, following two kinds of methods can be adopted to prevent the light of infrared light supply from reflecting the dazzle caused through ball cover 2 outer wall: one is the thickness d increasing shim 3
2; Two is the thickness d reducing ball cover 2
1.But the thickness d of simple increase shim 3
2, the accommodation space of each bin can be reduced, increase video camera volume, also can affect the fiting effect of infrared light supply and camera lens simultaneously, bring a lot of inconvenience.
Utility model content
For solving the problem, the purpose of this utility model is to provide a kind of glare prevention structure for warehouse separated type thermal camera, the infrared light that effective stop is reflected through ball cover enters camera lens, avoids the generation of dazzle, does not cause large impact to video camera inner space simultaneously.
The technical scheme that the invention for solving the technical problem adopts is:
A kind of glare prevention structure of warehouse separated type thermal camera, comprise housing, housing is fixed with transparent ball cover, it is closed cavity between housing and ball cover, camera lens and the infrared light supply of synchronous axial system are installed in closed cavity, shim is provided with between camera lens and infrared light supply, shim is vertically arranged, closed cavity is divided into the camera lens storehouse of placing camera lens and the accommodating storehouse of placing infrared light supply by shim, described shim is provided with the light barrier extended to direction, camera lens storehouse, is provided with gap △ d between described light barrier upper end and ball cover inwall.
As the further improvement of technique scheme, the length L of described light barrier and the thickness d of ball cover
1meet formula
, wherein θ is the angle of reflection that light that infrared light supply sends reflects through ball cover outer wall.
Preferably, the thickness d of described ball cover
1be 1.5 ~ 2mm, the size of the gap △ d between described light barrier upper end and ball cover inwall is 1.5 ~ 2mm.
Preferably, the angular range of described angle of reflection θ is 10 ° of < θ <45 °.The angular dimension of angle of reflection θ is determined by the installation site of shim, and in ball cover, because the width in camera lens storehouse can not be narrow, therefore angle of reflection θ can not be less than 10 °; And θ when being greater than 45 ° reflection ray outwards penetrate, do not do here to consider.
Further, described light barrier is provided with allows the absorbing cabin of light multiple reflections.
Preferably, the inwall color of described absorbing cabin is set to black.The reflection of black to light is minimum, absorbs maximum, and light can be absorbed by the absorbing cabin inwall of black and weaken during multiple reflections in absorbing cabin, even disappears.
Further, described light at least reflects three times in absorbing cabin, and light is through multiple reflections, and its brightness is cut to and is the most weakly absorbed by absorbing cabin inwall even completely.
Further, described light at least reflects twice at absorbing cabin sidewall and just arrives bottom absorbing cabin, also needs first through interior wall emission, ensure light multiple reflections when light upwards penetrates bottom absorbing cabin.
Further, described light barrier and shim one-body molded, simplified structure, easy to make, and reduce Connection Step.
As the further improvement of technique scheme, housing is provided with the turntable that can horizontally rotate, described turntable is provided with support, support is provided with vertical rotation assembly, described camera lens and infrared light supply are arranged on vertical rotation assembly.Turntable and vertical rotation assembly are worked in coordination, and make camera lens and infrared light supply arbitrarily can rotate shooting in horizontal and vertical direction, accomplish to take without dead angle.
Further, described turntable is symmetrically arranged with two pieces of shims, two pieces of described shims are divided into closed cavity in two the accommodating storehouses being positioned at a middle camera lens storehouse and being positioned at both sides.
The beneficial effects of the utility model are:
Compared with prior art, the utility model is provided with gap between shim upper end and ball cover, and ball cover rotates without the need to following camera lens, can carry out more effective being tightly connected, improve sealing property between ball cover and housing.Shim upper end is provided with the light barrier extended to direction, camera lens storehouse, effectively can stop that the infrared light reflected through ball cover outer wall enters camera lens storehouse and causes dazzle, and light barrier only takies the space of closed cavity top fraction, do not affect the installation of camera lens, the increase of video camera volume can not be caused, also can not hinder the cooperation between camera lens and infrared light supply simultaneously.
In addition, light barrier is also provided with absorbing cabin, light is multiple reflections in absorbing cabin, absorbing cabin effectively absorbs the light of reflection, its brightness is significantly cut down absorbed even completely, stop light and be reflected back camera lens storehouse through ball cover outer rim again after light barrier reflection, improve the effect of anti-dazzle.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
Fig. 1 is the surface structure schematic diagram of spherical thermal camera;
Fig. 2 is the existing ball cover of spherical thermal camera and the structural representation of shim;
Fig. 3 is the structure for amplifying schematic diagram at A place in Fig. 2;
Fig. 4 is the structural representation of the utility model first embodiment;
Fig. 5 is the enlarged diagram (light through the reflection of ball cover outer wall is stopped by light barrier) at B place in Fig. 4;
Fig. 6 is the enlarged diagram (light through the reflection of ball cover inwall is stopped by light barrier) at B place in Fig. 4;
Fig. 7 is the structural representation of the utility model second embodiment;
Fig. 8 is the enlarged diagram at C place in Fig. 7;
Fig. 9 is the structural representation of the utility model the 3rd embodiment;
Figure 10 is the enlarged diagram at D place in Fig. 9.
Embodiment
Embodiment one:
With reference to Fig. 1, Fig. 4, the first embodiment that the utility model provides, a kind of glare prevention structure of warehouse separated type thermal camera, comprise housing 1, housing 1 is fixed with transparent ball cover 2, is tightly connected between housing 1 and ball cover 2, make ball cover 2 inside form the closed cavity of good seal.Camera lens and infrared light supply are installed in closed cavity.Preferably, housing 1 is provided with the turntable that can horizontally rotate, turntable is provided with support, support is provided with vertical rotation assembly, described camera lens and infrared light supply are arranged on vertical rotation assembly, turntable and vertical rotation assembly are worked in coordination, and make camera lens and infrared light supply arbitrarily can rotate shooting in horizontal and vertical direction, accomplish to take without dead angle.
Turntable is symmetrically arranged with two pieces of shims 3, two pieces of shims 3 are vertically arranged, two pieces of shims 3 are divided into closed cavity in two the accommodating storehouses 5 being positioned at a middle camera lens storehouse 4 and being positioned at both sides, and camera lens is arranged in camera lens storehouse 4, and infrared light supply is arranged in accommodating storehouse 5.
With reference to Fig. 5, Fig. 6, shim 3 upper end in the utility model is integrally extended with light barrier 6 to direction, camera lens storehouse 4, gap △ d is provided with between light barrier 6 upper end and ball cover 2, make equipment in ball free to rotate, and ball cover 2 can not follow rotation, ball cover 2 and shell 1 can be tightly connected, improve the water-tight humidity resistance of video camera.The length L of light barrier 6 and the thickness d of ball cover 2 meet formula
, wherein θ is the angle of reflection that light that infrared light supply sends reflects through ball cover outer wall.Preferably, the angular range of angle of reflection θ is 10 ° of < θ <45 °, the thickness d of ball cover
1be 1.5 ~ 2mm, the size of the gap △ d between shim upper end and ball cover inwall is 1.5 ~ 2mm.Light barrier 6 arrange can via the reflection of ball cover 2 outer wall to the light barrier of inside, camera lens storehouse 4, as shown in Figure 5.The setting of light barrier 6 can also via the light barrier of ball cover 2 inwall reflection to inside, camera lens storehouse 4, as shown in Figure 6.
Embodiment two:
With reference to Fig. 7, Fig. 8, the second embodiment that the utility model provides, a kind of glare prevention structure of warehouse separated type thermal camera, comprises housing 1, housing 1 is fixed with transparent ball cover 2, is tightly connected between housing 1 and ball cover 2, forms closed cavity.Be provided with the turntable that can horizontally rotate in closed cavity, turntable is provided with support, support is provided with vertical rotation assembly, vertical rotation assembly is provided with camera lens and infrared light supply.Turntable is symmetrically arranged with two pieces of shims, 3, two pieces of shims 3 vertically arrange and closed cavity be divided into two the accommodating storehouses 5 being positioned at a middle camera lens storehouse 4 and being positioned at both sides, camera lens is arranged in camera lens storehouse 4, and infrared light supply is arranged in accommodating storehouse 5.Shim 3 upper end is integrally extended with light barrier 6 to direction, camera lens storehouse 4, is provided with gap △ d between light barrier 6 upper end and ball cover 2, and the length L of light barrier 6 and the thickness d of ball cover 2 meet formula
(θ is the angle of reflection that light that infrared light supply sends reflects through ball cover outer wall, is preferably 10 ° of < θ <45 °).In the present embodiment, light barrier 6 is also provided with and allows the absorbing cabin 7 of light multiple reflections, the inwall of absorbing cabin 7 is set to black, as shown in Figure 8, light is multiple reflections in absorbing cabin 7, constantly absorbed weakening by the inwall of the absorbing cabin 7 of black, the light luminance that finally can penetrate absorbing cabin 7 is significantly weakened, and can not produce glare effects again to camera lens.
Embodiment three:
With reference to Fig. 9, Figure 10, the 3rd embodiment that the utility model provides, a kind of glare prevention structure of warehouse separated type thermal camera, comprises housing 1, housing 1 is fixed with transparent ball cover 2, is tightly connected between housing 1 and ball cover 2, forms closed cavity.Be provided with the turntable that can horizontally rotate in closed cavity, turntable is provided with support, support is provided with vertical rotation assembly, vertical rotation assembly is provided with camera lens and infrared light supply.Turntable is symmetrically arranged with two pieces of shims, 3, two pieces of shims 3 vertically arrange and closed cavity be divided into two the accommodating storehouses 5 being positioned at a middle camera lens storehouse 4 and being positioned at both sides, camera lens is arranged in camera lens storehouse 4, and infrared light supply is arranged in accommodating storehouse 5.Shim 3 upper end is integrally extended with light barrier 6 to direction, camera lens storehouse 4, is provided with gap △ d between light barrier 6 upper end and ball cover 2, and the length L of light barrier 6 and the thickness d of ball cover 2 meet formula
(θ is the angle of reflection that light that infrared light supply sends reflects through ball cover outer wall, is preferably 10 ° of < θ <45 °).Light barrier 6 is provided with and allows the absorbing cabin 7 of light multiple reflections, the inwall of absorbing cabin 7 is set to black.In the present embodiment, the wide height of absorbing cabin 7 is proportional, make light at least reflect twice at absorbing cabin 7 sidewall just to arrive bottom absorbing cabin 7, as shown in Figure 10, light also needs when upwards penetrating bottom absorbing cabin 7 first through interior wall emission, ensure that the order of reflection of light is more than more than three times, light luminance is cut to and is the most weakly absorbed by absorbing cabin 7 inwall even completely, glare effects can not be produced to camera lens again.
The above, just preferred embodiment of the present utility model, the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (10)
1. the glare prevention structure of a warehouse separated type thermal camera, comprise housing (1), housing (1) is fixed with transparent ball cover (2), be closed cavity between housing (1) and ball cover (2), camera lens and the infrared light supply of synchronous axial system are installed in closed cavity, shim (3) is provided with between camera lens and infrared light supply, shim (3) is vertically arranged, closed cavity is divided into the camera lens storehouse (4) of placing camera lens and the accommodating storehouse (5) of placing infrared light supply by shim (3), it is characterized in that, described shim (3) is provided with the light barrier (6) extended to camera lens storehouse (4) direction, gap △ d is provided with between described light barrier (6) upper end and ball cover (2) inwall.
2. the glare prevention structure of a kind of warehouse separated type thermal camera according to claim 1, is characterized in that: the length L of described light barrier (6) and the thickness d of ball cover (2)
1meet formula
, wherein θ is the angle of reflection that light that infrared light supply sends reflects through ball cover (2) outer wall.
3. the glare prevention structure of a kind of warehouse separated type thermal camera according to claim 2, is characterized in that: the angular range of described angle of reflection θ is 10 ° of < θ <45 °.
4. the glare prevention structure of a kind of warehouse separated type thermal camera according to claim 2, is characterized in that: described light barrier (6) is provided with and allows the absorbing cabin (7) of light multiple reflections.
5. the glare prevention structure of a kind of warehouse separated type thermal camera according to claim 4, is characterized in that: the inwall color of described absorbing cabin (7) is set to black.
6. the glare prevention structure of a kind of warehouse separated type thermal camera according to claim 5, is characterized in that: described light at least reflects three times in absorbing cabin (7).
7. the glare prevention structure of a kind of warehouse separated type thermal camera according to claim 6, is characterized in that: described light at least reflects at absorbing cabin (7) sidewall and just arrives absorbing cabin (7) bottom for twice.
8. according to the glare prevention structure of the arbitrary described a kind of warehouse separated type thermal camera of claim 1 to 7, it is characterized in that: described light barrier (6) is one-body molded with shim (3).
9. the glare prevention structure of a kind of warehouse separated type thermal camera according to claim 8, it is characterized in that: (1) is provided with the turntable that can horizontally rotate to described housing, described turntable is provided with support, support is provided with vertical rotation assembly, described camera lens and infrared light supply are arranged on vertical rotation assembly.
10. the glare prevention structure of a kind of warehouse separated type thermal camera according to claim 9, it is characterized in that: described turntable is symmetrically arranged with two pieces of shims (3), two pieces of described shims (3) are divided into closed cavity two the accommodating storehouses (5) being positioned at a middle camera lens storehouse (4) and being positioned at both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485750.8U CN204069136U (en) | 2014-08-26 | 2014-08-26 | A kind of glare prevention structure of warehouse separated type thermal camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485750.8U CN204069136U (en) | 2014-08-26 | 2014-08-26 | A kind of glare prevention structure of warehouse separated type thermal camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204069136U true CN204069136U (en) | 2014-12-31 |
Family
ID=52210573
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420485750.8U Expired - Fee Related CN204069136U (en) | 2014-08-26 | 2014-08-26 | A kind of glare prevention structure of warehouse separated type thermal camera |
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| CN (1) | CN204069136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168411A (en) * | 2014-08-26 | 2014-11-26 | 黄学禹 | Anti-dazzle structure of bin-separated infrared camera |
-
2014
- 2014-08-26 CN CN201420485750.8U patent/CN204069136U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168411A (en) * | 2014-08-26 | 2014-11-26 | 黄学禹 | Anti-dazzle structure of bin-separated infrared camera |
| CN104168411B (en) * | 2014-08-26 | 2017-07-14 | 黄学禹 | A kind of glare prevention structure of warehouse separated type thermal camera |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20180826 |