CN210514903U - Anti-fog camera - Google Patents
Anti-fog camera Download PDFInfo
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- CN210514903U CN210514903U CN201921067148.1U CN201921067148U CN210514903U CN 210514903 U CN210514903 U CN 210514903U CN 201921067148 U CN201921067148 U CN 201921067148U CN 210514903 U CN210514903 U CN 210514903U
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Abstract
An anti-fog camera comprises a shell assembly, a camera shooting unit arranged in the shell assembly, a first light-transmitting lens arranged on the shell assembly and a second light-transmitting lens arranged on the shell assembly; the first light-transmitting lens and the second light-transmitting lens are respectively arranged corresponding to the light-sensing port of the camera unit; the first light-transmitting lens divides the interior of the shell assembly into a first sealed cavity and a second sealed cavity; the first sealed cavity is arranged between the first light-transmitting lens and the second light-transmitting lens, and rare gas is filled in the first sealed cavity; the camera shooting unit is arranged in the second sealing cavity; the interior of the shell assembly is divided into a first sealed cavity and a second sealed cavity through a first light-transmitting lens; first sealed chamber sets up between first printing opacity lens and second printing opacity lens, and the intussuseption of first sealed chamber is filled with noble gas, because the heat conductivity is lower, therefore can avoid producing water smoke in first printing opacity lens inboard, guarantees to shoot the effect.
Description
Technical Field
The utility model relates to an equipment technical field of making a video recording especially relates to an antifog camera.
Background
With the development of society, the living standard of people is improved, and the camera monitoring system applied to various places is more and more emphasized by people, but the performance of the monitoring camera directly influences the strength of the function of the monitoring system. Because the camera department of supervisory equipment all uses single-layer glass usually when encapsulating, under the lower operational environment of temperature, the difference in temperature that equipment inside temperature and external operational environment's temperature formed is great, and when the inside temperature of equipment was far higher than external operational environment's temperature, the steam that contains in the inside air of equipment can frost or fog when being close to the lower glass of temperature, influences supervisory equipment's shooting effect on the glass surface.
SUMMERY OF THE UTILITY MODEL
Based on this, there is a need for an anti-fog camera whose shooting effect is affected by frosting or fogging of the glass surface.
An anti-fog camera, comprising: the device comprises a shell assembly, a camera unit arranged in the shell assembly, a first light-transmitting lens arranged on the shell assembly and a second light-transmitting lens arranged on the shell assembly; the first light-transmitting lens and the second light-transmitting lens are respectively arranged corresponding to the light-sensing port of the camera unit; the first light-transmitting lens divides the interior of the shell assembly into a first sealed cavity and a second sealed cavity; the first sealed cavity is arranged between the first light-transmitting lens and the second light-transmitting lens, and rare gas is filled in the first sealed cavity; the camera shooting unit is arranged in the second sealing cavity.
The anti-fog camera divides the interior of the shell assembly into a first sealed cavity and a second sealed cavity through the first light-transmitting lens; first sealed chamber sets up between first printing opacity lens and second printing opacity lens, and the intussuseption of first sealed chamber is filled with noble gas, because the heat conductivity is lower, therefore can avoid producing water smoke in first printing opacity lens inboard, guarantees to shoot the effect.
In one embodiment, the housing assembly is provided with a first step portion corresponding to the first lens, and the first lens is mounted on the first step portion; the shell component is further provided with a second step portion corresponding to the second light-transmitting lens, and the second light-transmitting lens is installed on the second step portion.
In one embodiment, the housing assembly is integrally formed.
In one embodiment, the first step part and the second step part are arranged to face the outer side of the shell component together; under the condition that the casing subassembly integration set up, because first step portion and second step portion face the casing outside jointly to can install first printing opacity lens, second printing opacity lens on first step portion, the second step portion respectively.
In one embodiment, the inner diameter of the second step portion is larger than the inner diameter of the first step portion; thereby avoiding the second step portion from influencing the installation of the first light-transmitting lens.
In one embodiment, the shell assembly comprises a front cover and a rear barrel connected with the front cover; the first step part and the second step part are arranged on the front cover; since the opening of the rear barrel can be disposed close to the fixing point of the image pickup unit, the image pickup unit can be more conveniently mounted in the housing assembly.
In one embodiment, the first step portion is disposed facing an inner side of the housing assembly and the second step portion is disposed facing an outer side of the housing assembly.
In one embodiment, the shell assembly is provided with a suction hole; the air exhaust hole is arranged corresponding to the first sealing cavity; before the rare gas is injected into the first sealing cavity, the impurity gas in the first sealing cavity can be pumped out through the pumping hole by utilizing an external vacuum gas source, and after the rare gas is supplemented back, the pumping hole is blocked by the plunger or the filling material, so that the rare gas is sealed in the first sealing cavity.
In one embodiment, the shell component is respectively provided with an air inlet hole and an air outlet hole; the air inlet hole and the air outlet hole are respectively arranged corresponding to the first sealing cavity; when rare gas is injected into the first sealing cavity through the gas inlet hole, impurity gas in the first sealing cavity is extracted through the gas outlet hole, and after the first sealing cavity is filled with the rare gas, the gas inlet hole and the gas outlet hole are plugged through the plunger or the filler, so that the rare gas is sealed in the first sealing cavity.
In one embodiment, the air conditioner further comprises an absorption element arranged in the shell assembly, wherein the absorption element is a drying agent.
Drawings
Fig. 1 is a schematic structural diagram of an anti-fog camera according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the anti-fog camera shown in FIG. 1 at A;
FIG. 3 is a partial schematic view of the anti-fog camera shown in FIG. 1 after the extraction holes are added;
FIG. 4 is a partial schematic view of the anti-fog camera shown in FIG. 1 after air inlets and air outlets are added;
fig. 5 is a schematic structural view of an anti-fog camera of an embodiment of another embodiment;
fig. 6 is an enlarged view of the anti-fog camera shown in fig. 5 at B.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 6, an anti-fog camera 100 according to a preferred embodiment of the present invention is used for acquiring video or image information. The anti-fog camera 100 comprises a shell assembly 20, a camera unit 30 arranged in the shell assembly 20, a first light-transmitting lens 40 arranged on the shell assembly 20, and a second light-transmitting lens 50 arranged on the shell assembly 20; the first light-transmitting lens 40 and the second light-transmitting lens 50 are respectively arranged corresponding to the photosensitive opening 31 of the camera unit 30; the first light-transmitting lens 40 divides the interior of the housing assembly 20 into a first sealed cavity 203 and a second sealed cavity 204; the first sealed cavity 203 is arranged between the first light-transmitting lens 40 and the second light-transmitting lens 50, and rare gas is filled in the first sealed cavity 203; the image pickup unit 30 is disposed in the second sealed chamber 204.
The interior of the shell assembly 20 is divided into a first sealed cavity 203 and a second sealed cavity 204 by the first light-transmitting lens 40; first sealed chamber 203 sets up between first printing opacity lens 40 and second printing opacity lens 50, and the intussuseption of first sealed chamber 203 is filled with noble gas, because the heat conductivity is lower, therefore can avoid producing water smoke at first printing opacity lens 40 inboard, guarantees to shoot the effect.
Further, since the rare gas is dried, it is possible to prevent the generation of water mist between the first transparent lens 40 and the second transparent lens 50; the anti-fog camera 100 further includes an absorption element 60 disposed in the housing assembly 20, the absorption element 60 is disposed in the second sealed cavity 204, and since the absorption element 60 is disposed in the second sealed cavity 204, the absorption element 60 has a moisture absorption capability, so that the moisture content in the second sealed cavity 204 can be reduced, and further, the attachment of water mist to the side of the first transparent lens 40 opposite to the image pickup unit 30 is avoided.
The housing assembly 20 is provided with a first step portion 201 corresponding to the first transparent lens 40, and the first transparent lens 40 is mounted on the first step portion 201; the housing assembly 20 is further provided with a second step portion 202 corresponding to the second transparent lens 50, and the second transparent lens 50 is mounted on the second step portion 202.
Referring to fig. 1 or 5, the anti-fog camera 100 further includes a communication cable 70 connected to the housing assembly 20, wherein the communication cable 70 is connected to the camera unit 30 after penetrating into the housing assembly 20; thereby facilitating the supply of the video or image signal to the outside.
Referring to fig. 1 and 2, in one embodiment, the housing assembly 20 is integrally formed; the first step portion 201 and the second step portion 202 are disposed facing the outside of the housing assembly 20 together; the inner diameter of the second step portion 202 is larger than that of the first step portion 201.
Referring to fig. 5 and 6, in one embodiment, the housing assembly 20 includes a front cover 21 and a rear barrel 22 connected to the front cover 21; the first step portion 201 and the second step portion 202 are provided on the front cover 21; the first step portion 201 is disposed facing the inside of the case assembly 20, and the second step portion 202 is disposed facing the outside of the case assembly 20.
Referring to FIG. 3, in one embodiment, the shell assembly 20 is provided with a pumping hole 205; the air suction hole 205 is arranged corresponding to the first seal cavity 203; before the rare gas is injected into the first sealed cavity 203, the impurity gas in the first sealed cavity 203 can be pumped out through the pumping hole 205 by using an external vacuum gas source, and after the rare gas is supplemented back, the pumping hole 205 is sealed by a plunger or a filling material, so that the rare gas is sealed in the first sealed cavity 203.
Referring to fig. 4, in one embodiment, the housing assembly 20 is provided with an air inlet 206 and an air outlet 207 respectively; the air inlet hole 206 and the air outlet hole 207 are respectively arranged corresponding to the first sealing cavity 203; when rare gas is injected into the first sealed cavity 203 through the gas inlet hole 206, impurity gas in the first sealed cavity 203 is extracted through the gas outlet hole 207, and after the first sealed cavity 203 is filled with the rare gas, the gas inlet hole 206 and the gas outlet hole 207 are sealed by a plunger or a filler, so that the rare gas is sealed in the first sealed cavity 203.
Optionally, the absorbing element 60 is a desiccant.
In the case where the housing assembly 20 is integrally provided, since the first step portion 201 and the second step portion 202 face the outside of the housing together, the first transparent lens 40 and the second transparent lens 50 can be mounted on the first step portion 201 and the second step portion 202, respectively.
When the anti-fog camera 100 is in operation, external light enters the photosensitive opening 31 of the camera unit 30 after passing through the first transparent lens 40 and the second transparent lens 50, and the camera unit 30 generates video or image signals and outputs the video or image signals to an external device; since the thermal conductivity of the rare gas is about 1/27 made of glass, when the outside air temperature is low, the temperature drop speed of the first light-transmitting lens 40 is low, and the temperature difference between the first light-transmitting lens 40 and the gas in the second sealed cavity 204 is small, thereby preventing the inner side of the first light-transmitting lens 40 from generating water mist.
In this embodiment, the interior of the housing assembly is divided into a first sealed cavity and a second sealed cavity by the first light-transmitting lens; first sealed chamber sets up between first printing opacity lens and second printing opacity lens, and the intussuseption of first sealed chamber is filled with noble gas, because the heat conductivity is lower, therefore can avoid producing water smoke in first printing opacity lens inboard, guarantees to shoot the effect.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An anti-fog camera, comprising: the device comprises a shell assembly, a camera unit arranged in the shell assembly, a first light-transmitting lens arranged on the shell assembly and a second light-transmitting lens arranged on the shell assembly; the first light-transmitting lens and the second light-transmitting lens are respectively arranged corresponding to the light-sensing port of the camera unit; the first light-transmitting lens divides the interior of the shell assembly into a first sealed cavity and a second sealed cavity; the first sealed cavity is arranged between the first light-transmitting lens and the second light-transmitting lens, and rare gas is filled in the first sealed cavity; the camera shooting unit is arranged in the second sealing cavity.
2. The anti-fog camera of claim 1, wherein the housing assembly is provided with a first stepped portion corresponding to the first transparent lens, the first transparent lens being mounted on the first stepped portion; the shell component is further provided with a second step portion corresponding to the second light-transmitting lens, and the second light-transmitting lens is installed on the second step portion.
3. The anti-fog camera of claim 2, wherein the housing assembly is integrally disposed.
4. The anti-fog camera of claim 3, wherein the first step portion and the second step portion are disposed together facing an outside of the housing assembly.
5. The anti-fog camera of claim 4, wherein an inner diameter of the second step portion is greater than an inner diameter of the first step portion.
6. The anti-fog camera of claim 2, wherein the housing assembly comprises a front cover and a rear barrel connected to the front cover; the first step part and the second step part are arranged on the front cover.
7. The anti-fog camera of claim 6, wherein the first step portion is disposed facing an inside of the housing assembly and the second step portion is disposed facing an outside of the housing assembly.
8. The anti-fog camera of claim 1, wherein the housing assembly is provided with a suction hole; the air exhaust hole is arranged corresponding to the first sealing cavity.
9. The anti-fog camera of claim 1, wherein the housing assembly is provided with an air inlet hole and an air outlet hole; the air inlet hole and the air outlet hole are respectively arranged corresponding to the first sealing cavity.
10. The anti-fog camera of claim 1, further comprising an absorbing element disposed in the housing assembly, the absorbing element being a desiccant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921067148.1U CN210514903U (en) | 2019-07-09 | 2019-07-09 | Anti-fog camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921067148.1U CN210514903U (en) | 2019-07-09 | 2019-07-09 | Anti-fog camera |
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| Publication Number | Publication Date |
|---|---|
| CN210514903U true CN210514903U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921067148.1U Active CN210514903U (en) | 2019-07-09 | 2019-07-09 | Anti-fog camera |
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| CN (1) | CN210514903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508324A (en) * | 2020-05-29 | 2021-10-15 | 深圳市大疆创新科技有限公司 | Optical system, precision device and electronic apparatus |
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2019
- 2019-07-09 CN CN201921067148.1U patent/CN210514903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508324A (en) * | 2020-05-29 | 2021-10-15 | 深圳市大疆创新科技有限公司 | Optical system, precision device and electronic apparatus |
| WO2021237747A1 (en) * | 2020-05-29 | 2021-12-02 | 深圳市大疆创新科技有限公司 | Optical system, precision apparatus, and electronic device |
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