CN112804434A - Antifouling and heat-dissipating device for camera - Google Patents
Antifouling and heat-dissipating device for camera Download PDFInfo
- Publication number
- CN112804434A CN112804434A CN202110222512.2A CN202110222512A CN112804434A CN 112804434 A CN112804434 A CN 112804434A CN 202110222512 A CN202110222512 A CN 202110222512A CN 112804434 A CN112804434 A CN 112804434A
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- CN
- China
- Prior art keywords
- camera
- air
- antifouling
- fan
- micro
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
Abstract
The invention belongs to the technical field of isolating a camera mirror surface from contact with environmental pollutants by using clean air flow and automatically cleaning the camera mirror surface, and particularly relates to an antifouling and heat-radiating device for a camera. In practical application, because the camera is exposed in the environment and cannot be cleaned automatically, the collected image is blurred and the image data is distorted due to the fact that the mirror surface of the camera is polluted by dust and condensation media in the environment frequently. The invention solves the problems of camera lens pollution and heat dissipation through the integrated design of the micro fan, the air inlet structure and the air outlet structure of the micro fan and the camera.
Description
Technical Field
The invention belongs to the technical field of isolating a camera mirror surface from contact with environmental pollutants by using clean air flow and automatically cleaning the camera mirror surface, and particularly relates to an antifouling and heat-radiating device for a camera.
Technical Field
Along with development and application of image technology, the application field of the camera is more and more extensive, and from the fields of public safety and face recognition to photoelectric sensing, the image definition and the accuracy of collected data can be ensured only by keeping the lens of the camera clean. In the practical application scene of camera, its camera lens all exposes in service environment, and the safety monitoring camera mirror surface on street, the residential quarter and the traffic monitoring camera mirror surface on the highway are covered by dust and rain fog, and the camera mirror surface that is regarded as industry, civilian photoelectric sensor easily receives the pollution of working medium and the influence of heat radiation. These can cause blurring of the image and inaccuracies in the data acquired by the camera.
According to the invention, the air curtain airflow is formed at the lens surface of the camera through the working and structural layout of the fan, the lens surface of the camera is isolated from an environmental medium, and meanwhile, the lens surface is continuously washed by clean airflow so as to achieve the purposes of pollution prevention and heat dissipation of the lens surface.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an antifouling and heat-radiating device for a camera.
The invention is realized in this way, the antifouling and heat-dissipating device of the camera comprises:
the device shell is composed of a device shell upper cover and a device shell lower cover, an air inlet is formed in one end of the device shell upper cover plate, and an air outlet and camera window is formed in the other end of the device shell lower cover plate. The fan and the camera are respectively arranged at one end and the other end in the lower cover plate of the device shell;
the air curtain airflow system is composed of an air inlet, a filter layer, an air cavity, a micro fan, an air cavity partition plate, an air outlet channel, an upper cover of a device shell, a lower cover of the device shell and an air outlet.
Furthermore, the air inlet is covered by a filter layer at the air inlet, the filter layer is supported by a filter layer bracket connected with the upper cover plate, and the bracket is of a net structure and is positioned at the bottom of the filter layer.
Furthermore, the air cavity is composed of an upper cover of the device shell, a lower cover of the device shell and an air cavity partition plate, and the air cavity is positioned at the front section of the air inlet of the micro fan.
Furthermore, an air outlet channel is formed by the air outlet of the micro fan, the upper cover of the device shell, the lower cover of the device shell and the air cavity partition plate.
Further, the camera is installed in the device shell lower cover, the camera lens faces the air outlet and also serves as a camera window, and the camera base is installed on a base on the device shell lower cover.
Furthermore, the joints of the upper cover of the device shell, the lower cover of the device shell and the air cavity partition plate are completely sealed.
Furthermore, the micro fan is electrified to work, negative pressure is formed in the air cavity, air flow passes through the air inlet and is filtered by the filter layer to remove dust and impurities in the air flow, clean air flow enters the air cavity and then flows into the air inlet of the micro fan, the air flow is acted by the micro fan in the micro fan to obtain corresponding dynamic pressure and static pressure and then flows into the air outlet channel through the air outlet of the micro fan, a continuous air curtain is formed at the mirror surface of the camera to prevent external dust, liquid particulate matters and working media from adhering to the mirror surface of the camera, and meanwhile, the clean air flow continuously washes the mirror surface of the camera to keep the mirror surface of the camera clean and be beneficial to heat dissipation.
The invention has the advantages and positive effects that: the micro-fan is a micro alternating current or direct current fan, so that the power consumption can be ignored, the mirror surface of the camera can be kept clean for a long time, the maintenance is avoided, and clear image guarantee and authenticity reliable guarantee of acquired medium data are provided for the camera; particularly in high-altitude, high-temperature, high-humidity and high-pollution places, the application of the invention can solve the problem which cannot be solved by manual and other methods.
Drawings
FIG. 1 is a front view of a schematic external view of a camera image anti-fouling and heat-dissipating device provided by an embodiment of the invention;
FIG. 2 is a left side view of a schematic external view of the antifouling and heat dissipating device of the camera image according to the embodiment of the present invention;
FIG. 3 is a right side view of a schematic external view of the antifouling and heat dissipating device of the camera image according to the embodiment of the present invention;
FIG. 4 is a sectional view taken along the direction A-A of the internal structure of a schematic external view of the antifouling and heat dissipating device in the camera according to the embodiment of the present invention;
FIG. 5 is a sectional view taken along line B-B of the cross-section A-A of the internal structure of the schematic external view of the image pickup apparatus for preventing fouling and dissipating heat according to the embodiment of the present invention.
In the figure: 1. an upper cover of the device shell; 2. a micro fan; 3. a camera; 4. a device housing lower cover; 5. a flow of air; 6. a filter layer; 7. a wind cavity; 8. a wind cavity partition plate; 9. air outlet flow; 10. an air outlet channel; 11. the air outlet is also used as a camera window; 12. and an air inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
The application of the present invention will be further described with reference to the accompanying fig. 1 to 5 and the specific embodiments.
The device shell upper cover 1 and the device shell lower cover 4 are symmetrically coupled to form a shell and an internal structure of the device shell, and a foundation for mounting the micro fan 2, the camera 3, the filter layer 6 and the air cavity partition plate 8; the right side plate of the device shell upper cover 1 of the shell is provided with an air inlet 12, and the left side plate of the device shell lower cover 4 is provided with an air outlet and camera window 11.
The micro fan 2 is horizontally arranged at the right side in the inner cavity of the lower cover 4 of the device shell, the air inlet of the micro fan 2 faces the air cavity 7, the air inlet face is parallel to the bottom plate of the lower cover 4 of the device shell, and the air outlet of the micro fan 2 is connected with the air outlet channel 10; the air cavity 7 is a cavity formed by sealing and connecting the lower cover 4 of the device shell, the upper cover 1 of the device shell and an air cavity partition plate 8, and the main body of the air cavity 7 is positioned on one side of the upper cover 1 of the device shell; the air cavity 7 is connected with the filter layer 6 and the air inlet 12; the filter layer 6 is supported and fixed by a mounting bracket fixed on the upper cover 1 of the device shell, and the size of the filter layer is the same as that of the air inlet 12 and is positioned on the right side of the upper cover 1 of the device shell.
The air cavity partition plate 8 is positioned in the middle of the interior of the air-conditioner, is vertical to a transverse center line formed by the device shell upper cover 1 and the device shell lower cover 4, and is completely hermetically connected with the device shell upper cover 1 and the device shell lower cover 4, so that the interior of the air-conditioner is divided into a left part and a right part, the right part is an air flow 5 entering area, and the left part is an air flow 9 discharging area.
The camera 3 is installed in the device shell lower cover 4 inner chamber front portion on a left side, 3 camera lenses of camera towards the air outlet and camera window 11 concurrently, 3 organism fixed mounting of camera are on the base that device shell lower cover 4 set up. The centre line of the camera 3 is parallel to the part of the air outlet duct 10 located on the device housing lower cover 4.
According to the invention, a proper micro fan 2 is selected and matched according to the application scene of the camera to work synchronously with the camera 3, and the power supply and the switch of the micro fan 2 are connected in parallel with the power supply and the switch of the camera 3.
When the camera 3 is electrified to work, the micro fan 2 is electrified synchronously to start working.
The micro motor of the micro fan 2 drives the impeller of the micro fan 2 to do work, electric energy is converted into dynamic pressure and static pressure of the outlet airflow 9, the outlet airflow 9 is guided by the air outlet duct 10, and clean flowing air is filled around the lens of the camera 3; air-out air current 9 at first completely cuts off 3 external medium contacts of camera and pollutes the mirror surface of camera 3, plays clear effect to dust, the liquid fog that camera 3 has remained on the mirror surface simultaneously, and that is exactly again, can flow help camera 3 heat dissipation through air-out air current 9.
The outlet airflow 9 is finally discharged into the external environment of the camera 3 through the air outlet and camera window 11.
Because the outlet airflow 9 is clean air, the image fidelity effect obtained by the camera 3 can not be achieved when the mirror surface of the camera 3 is ensured to be clean; the micro fan 2 has small flow and can not be used as the data acquisition authenticity of the camera 3 of the photoelectric sensor.
The micro-fan 2 works, negative pressure is formed in the air cavity 7, air around the air inlet 12 is continuously filtered by the air inlet 12 and the filter layer 6 in sequence, then is sucked into the air cavity 7, and is guided into the air inlet of the micro-fan 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides an antifouling, heat abstractor of camera which characterized in that, this antifouling, heat abstractor of camera includes: the device shell is composed of a device shell upper cover and a device shell lower cover, an air inlet is formed in one end of the device shell upper cover plate, and an air outlet and camera window is formed in the other end of the device shell lower cover plate. The micro fan and the camera are respectively arranged at one end and the other end in the lower cover plate of the device shell;
the air curtain airflow system is composed of an air inlet, a filter layer, an air cavity, a micro fan, an air cavity partition plate, an air outlet channel, an upper cover of a device shell, a lower cover of the device shell and an air outlet and camera window.
2. The camera antifouling and heat dissipating device as claimed in claim 1, wherein the camera antifouling and heat dissipating device has a filter layer covering the air inlet at the air inlet, the filter layer being supported by a filter layer bracket connected to the upper cover plate, the bracket having a mesh structure and being located at the bottom of the filter layer.
3. The camera antifouling and heat dissipating device according to claim 1, wherein the air chamber of the camera antifouling and heat dissipating device is composed of an upper cover of the device housing, a lower cover of the device housing and an air chamber partition, and the air chamber is located at the front section of the air inlet of the micro fan.
4. The camera antifouling and heat dissipating device as claimed in claim 1, wherein the outlet of the micro-fan of the camera antifouling and heat dissipating device, the upper cover of the device housing, the lower cover of the device housing, and the partition board of the air chamber form an air outlet duct.
5. The camera antifouling and heat dissipating device of claim 1, wherein the camera antifouling and heat dissipating device camera is mounted in a device housing lower cover, the lens faces the air outlet and serves as a camera window, and the camera base is mounted on a base on the device housing lower cover.
6. The camera head fouling and heat dissipating device of claim 1, wherein the joints of the camera head fouling and heat dissipating device housing upper cover, the device housing lower cover and the air chamber partition are completely sealed.
7. The apparatus according to claim 1, wherein the micro-fan of the apparatus is powered on to generate a negative pressure in the air chamber, the air flow passes through the air inlet and is filtered by the filter layer to remove dust and impurities in the air flow, the clean air flow enters the air chamber and then flows into the air inlet of the micro-fan, the air flow is forced by the micro-fan to obtain a corresponding dynamic pressure and static pressure in the micro-fan and then flows into the air outlet channel through the air outlet of the micro-fan, a continuous air curtain is formed at the mirror surface of the camera to prevent external dust, liquid particles and working media from adhering to the mirror surface of the camera, and the clean air flow continuously washes the mirror surface of the camera to keep the mirror surface clean and facilitate heat dissipation of the camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110222512.2A CN112804434A (en) | 2021-02-26 | 2021-02-26 | Antifouling and heat-dissipating device for camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110222512.2A CN112804434A (en) | 2021-02-26 | 2021-02-26 | Antifouling and heat-dissipating device for camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112804434A true CN112804434A (en) | 2021-05-14 |
Family
ID=75816196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110222512.2A Pending CN112804434A (en) | 2021-02-26 | 2021-02-26 | Antifouling and heat-dissipating device for camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112804434A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114554054A (en) * | 2022-02-23 | 2022-05-27 | 湖北中腾智能科教有限公司 | Intelligent fire-fighting monitoring device based on sensor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206341300U (en) * | 2016-12-22 | 2017-07-18 | 东莞市明宏凯实业有限公司 | One kind has the wide dynamic camera of deashing radiator structure high definition |
| WO2018161518A1 (en) * | 2017-03-09 | 2018-09-13 | 深圳丰泰达电子有限公司 | Automatically cleaning monitoring camera |
| CN111948883A (en) * | 2020-09-08 | 2020-11-17 | 哈尔滨市科佳通用机电股份有限公司 | Camera box external device integrating functions of heat dissipation, dust removal and fog removal |
-
2021
- 2021-02-26 CN CN202110222512.2A patent/CN112804434A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206341300U (en) * | 2016-12-22 | 2017-07-18 | 东莞市明宏凯实业有限公司 | One kind has the wide dynamic camera of deashing radiator structure high definition |
| WO2018161518A1 (en) * | 2017-03-09 | 2018-09-13 | 深圳丰泰达电子有限公司 | Automatically cleaning monitoring camera |
| CN111948883A (en) * | 2020-09-08 | 2020-11-17 | 哈尔滨市科佳通用机电股份有限公司 | Camera box external device integrating functions of heat dissipation, dust removal and fog removal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114554054A (en) * | 2022-02-23 | 2022-05-27 | 湖北中腾智能科教有限公司 | Intelligent fire-fighting monitoring device based on sensor |
| CN114554054B (en) * | 2022-02-23 | 2023-08-08 | 湖北中腾智能科教有限公司 | Intelligent fire control monitoring device based on sensor |
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Application publication date: 20210514 |
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