CN109451209B - Vehicle-mounted camera with dust removal function - Google Patents
Vehicle-mounted camera with dust removal function Download PDFInfo
- Publication number
- CN109451209B CN109451209B CN201811291213.9A CN201811291213A CN109451209B CN 109451209 B CN109451209 B CN 109451209B CN 201811291213 A CN201811291213 A CN 201811291213A CN 109451209 B CN109451209 B CN 109451209B
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- China
- Prior art keywords
- cavity
- dust removal
- camera
- dust
- disc
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
-
- 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
Abstract
The invention belongs to the technical field of monitoring camera equipment, and particularly relates to a vehicle-mounted camera with a dust removal effect, which comprises a camera body, wherein a lens is hermetically arranged in the camera body, a first cavity is arranged in the side wall of the upper end of the camera body, a through hole which is communicated with the inside and the outside is formed in the top surface of the first cavity, a rotating rod is arranged in the through hole in a rotating and penetrating manner, a vertical fan is arranged at the upper end of the rotating rod, a disc is fixedly connected to the lower end of the rotating rod, a magnet is fixedly connected to the edge of the upper end of the disc, a dust removal port for dust removal of the lens is formed in the bottom of the first cavity, a fourth one-way pressure valve is arranged in the dust removal port, an air inlet for sucking hot. Has the advantages that: the dust removal device not only can remove dust from the lens of the camera, but also can prevent water drops on the surface of the lens from being frozen when the lens is used in winter.
Description
Technical Field
The invention belongs to the technical field of monitoring camera equipment, and particularly relates to a vehicle-mounted camera with a dust removal function.
Background
The camera is also called a computer camera, a computer eye, an electronic eye and the like, is a video input device, is widely applied to aspects of video conferences, telemedicine, real-time monitoring and the like, and the existing police are provided with a vehicle-mounted camera used for law enforcement on the roof of the vehicle.
When the police need go out police to enforce law, current camera is when following police's car and go to enforce law, and the dust on the mirror surface of camera can seriously influence law enforcement shooting quality, influences the result that law enforcement judged, and in addition, when cold winter law enforcement, the phenomenon that the drop of water on rainwater weather or the greasy weather mirror surface appears freezing easily by weather effect, and the serious influence sets up the shooting of head and uses.
Therefore, an on-vehicle camera with a dust removal function is provided to solve the problem.
Disclosure of Invention
The invention aims to solve the problems and provides a vehicle-mounted camera with a dust removal function, which has a dust removal function and can prevent a camera mirror surface from freezing.
In order to achieve the purpose, the invention adopts the following technical scheme: a vehicle-mounted camera with a dust removal effect comprises a camera body, wherein a lens is hermetically mounted in the camera body, a first cavity is arranged in the upper end side wall of the camera body, a through hole which is communicated with the inside and the outside is formed in the top surface of the first cavity, a rotating rod penetrates through the through hole in a rotating mode, a vertical fan is mounted at the upper end of the rotating rod, a disc is fixedly connected to the lower end of the rotating rod, a magnet is fixedly connected to the edge of the upper end of the disc, a dust removal port for dust removal of the lens is formed in the bottom of the first cavity, a fourth one-way pressure valve is mounted in the dust removal port, an air inlet for sucking hot air in the camera body is formed in the bottom of the first cavity, a first one-way pressure valve is mounted in the air inlet, a piston plate driven by the magnet is connected to the first, the right side of piston plate fixedly connected with first spring, the right side of first spring and the right side inner wall fixed connection of first cavity, be equipped with the air guide hole on the right side inner wall of first cavity, be equipped with the second cavity in the lower extreme lateral wall of camera, the second cavity sets up with the end intercommunication of giving vent to anger of air guide hole, the bottom of second cavity is equipped with the escape orifice, install the one-way pressure valve of second in the escape orifice, the top surface of second cavity is equipped with the dust collection mouth that is used for collecting the dust, install the one-way pressure valve of third in the dust collection mouth.
In the vehicle-mounted camera with the dust removal function, the dust removal port and the dust collection port are both arc-shaped.
In the vehicle-mounted camera with the dust removal function, the bottom of the second cavity is provided with the dust collection groove, and the drain outlet is arranged at the bottom of the dust collection groove.
In the vehicle-mounted camera with the dust removal function, a plurality of telescopic rods are fixedly connected to the bottom of the first cavity, the upper ends of the telescopic rods are fixed to the same friction plate which generates heat through friction with the disc, and the telescopic rods are sleeved with second springs.
Compared with the prior art, this on-vehicle camera with dust removal effect's advantage lies in:
1. according to the invention, the vertical fan is rotated in the driving process of the police car, the magnet can be driven to rotate, the magnet has a magnetic effect on the piston plate, so that the piston plate can reciprocate in the first cavity along with the rotation of the magnet, hot air in the camera can be sucked into the first cavity and blown onto the mirror surface, the dust can be removed from the mirror surface, the camera can also be cooled, meanwhile, dust blown off from the mirror surface can be collected through the dust collecting port, and then the effective dust removal can be completed on the mirror surface of the camera, so that the shooting quality of the camera during law enforcement is ensured, and the accuracy of a law enforcement structure is improved.
2. Rotation through perpendicular fan makes the disc rotate and takes place the heat production of friction with the friction plate, can carry out reheating to sucking this internal air that contains the heat of camera in to first cavity, when doing benefit to hot air current and removing dust, can also prevent to go in winter that the rainwater freezes on the mirror surface of camera, the quality of shooting when ensureing the camera law enforcement.
Drawings
Fig. 1 is a front perspective view of a vehicle-mounted camera having a dust removal function provided in embodiment 1;
fig. 2 is a schematic top view of a disc in the vehicle-mounted camera with a dust removal function provided in embodiment 1;
fig. 3 is a left side perspective view of the vehicle-mounted camera having a dust removal function provided in embodiment 1;
fig. 4 is an external structural view of a vehicle-mounted camera having a dust removal function provided in embodiment 2;
fig. 5 is a partially enlarged view of a portion a in fig. 4.
In the figure, 1 camera body, 2 lens, 3 first cavity, 4 rotating rod, 5 vertical fan, 6 disc, 7 magnet, 8 fourth one-way pressure valve, 9 first one-way pressure valve, 10 piston plate, 11 first spring, 12 air guide hole, 13 second cavity, 14 second one-way pressure valve, 15 third one-way pressure valve, 16 telescopic rod, 17 second spring, 18 friction plate.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1-3, a vehicle-mounted camera with a dust removing function includes a camera body 1, a lens 2 is hermetically installed in the camera body 1, it should be noted that a mirror surface of the lens 2 is a plane mirror, a first cavity 3 is provided in an upper end side wall of the camera body 1, a through hole communicating inside and outside is provided on a top surface of the first cavity 3, a rotating rod 4 is rotatably provided in the through hole, a vertical fan 5 is installed on an upper end of the rotating rod 4, it is worth mentioning that in autumn and winter, when fog is large, the surface of the lens 2 is easy to frost and freeze, a sealing ring is provided at a connection part of the rotating rod 4 and the first cavity 3 to ensure the sealing property of the first cavity 3, a disc 6 is fixedly connected to a lower end of the rotating rod 4, a magnet 7 is fixedly connected to an upper end edge of the disc 6, a dust removing opening for removing dust from the lens 2 is provided at a bottom of the first cavity, wherein, the fourth one-way pressure valve 8 acts to ensure that the airflow direction of the dust removal port can only be outward from the first cavity 3, the dust removal port is positioned at the left side of the through hole, the fourth one-way pressure valve 8 can spray the air in the first cavity 3 onto the mirror surface of the lens 2 when opened, the bottom of the first cavity 3 is provided with an air inlet for sucking hot air in the camera body 1, a first one-way pressure valve 9 is arranged in the air inlet, wherein, under the action of the first one-way pressure valve 9, the airflow direction of the air inlet can only flow into the first cavity 3, the air inlet is positioned at the right side of the through hole, hot air in the camera body 1 can be sucked into the first cavity 3 by opening the first one-way pressure valve 9, thereby being convenient for effectively dissipating heat of the lens 2 and other electrical elements in the camera body 1, the camera body 1 enters air through the heat dissipation hole of the camera body 1, the stability of the air pressure in the camera body 1 is convenient to maintain (the heat dissipation holes are not shown in the figure), a piston plate 10 driven by a magnet 7 is connected in a sliding and sealing manner in the first cavity 3, it should be noted that the piston plate 10 is a metal plate, the first cavity 3 on the left side of the piston plate 10 is a sealed cavity, the piston plate 10 is positioned on the right side of the air inlet, the right side of the piston plate 10 is fixedly connected with a first spring 11, the right side of the first spring 11 is fixedly connected with the right side inner wall of the first cavity 3, it is worth mentioning that the first spring 11 facilitates the piston plate 10 to perform reset motion towards the right side, an air guide hole 12 is arranged on the right side inner wall of the first cavity 3, a second cavity 13 is arranged in the side wall of the lower end of the camera body 1, the second cavity 13 is communicated with the air outlet end of the air guide hole 12, a drainage port is arranged at the bottom of, under the action of the second one-way pressure valve 14, the air flow direction of the drain outlet can only flow outwards from the second cavity 13, when the second one-way pressure valve 14 is opened, the second cavity 13 can exhaust air conveniently, meanwhile, dust collected in the second cavity 13 can be discharged, a dust collecting opening for collecting dust is arranged on the top surface of the second cavity 13, a third one-way pressure valve 15 is installed in the dust collecting opening, it should be noted that under the action of the third one-way pressure valve 15, the air flow direction of the dust collecting opening can only flow into the second cavity 13, and when the third one-way pressure valve 15 is opened, dust on the mirror surface can be sucked downwards and collected into the second cavity 13 conveniently.
Wherein, dust removal mouth and dust collecting opening are the arc, need explain that, dust removal mouth and dust collecting opening be along 2 mirror surface annular lateral walls of camera lens setting, are convenient for clear away the collection to the dust on the mirror surface, ensure the effect that the mirror surface removed dust.
Wherein, the bottom of the second cavity 13 is provided with a dust collecting groove, and the drain outlet is provided at the bottom of the dust collecting groove, it is worth mentioning that the dust or raindrops on the mirror surface can be collected in the dust collecting groove, so that the impurities collected in the second cavity 13 can be discharged when the second one-way pressure valve 14 is opened.
In the embodiment, when the police car goes out for police and law enforcement, due to the action of external wind and the action of airflow in the driving process of the police car, the vertical fan 5 can rotate quickly, the disc 6 can rotate, the magnet 7 can be driven to rotate when the disc 6 rotates, when the magnet 7 is positioned at the rightmost side of the rotating rod 4, the distance between the magnet 7 and the piston plate 10 is the minimum, the magnet 7 has suction on the piston plate 10, so that the piston plate 10 moves leftwards, the gas in the first cavity 3 can be compressed when the piston plate 10 moves leftwards, the fourth one-way pressure valve 8 is opened, the air in the first cavity 3 at the left side of the piston plate 10 can be sprayed onto the mirror surface of the lens 2, dust on the mirror surface can be blown off, and dust removal of the camera head is realized; when the piston plate 10 moves to the left side, the first cavity 3 and the second cavity 13 on the right side of the piston plate 10 are communicated, so that the second cavity 13 is in a negative pressure state, the third one-way pressure valve 15 is opened, external air enters the second cavity 13, falling dust on the mirror surface can be absorbed when air enters, the dust is collected into the second cavity 13, and the dust is prevented from being adhered to the mirror surface under the action of the head-on airflow.
When the magnet 7 rotates to the leftmost side of the rotating lever 4, the distance between the magnet 7 and the piston plate 10 is the largest, the action of the magnet 7 on the piston plate 10 is weakened, under the action of the first spring 11, the piston plate 10 moves to the right in a resetting way, the fourth one-way pressure valve 8 and the third one-way pressure valve 15 are both closed, the first cavity 3 on the left side of the piston plate 10 is in a negative pressure state, so that the first one-way pressure valve 9 is opened, the hot air in the camera body 1 can be pumped into the first cavity 3, the lens 2 and other electrical components in the camera body 1 can be cooled, and the pumped hot air can be sprayed onto the lens 2 to prevent the lens surface from freezing, when the piston plate 10 moves to the right, the air pressure in the second cavity 13 can be increased, the second one-way pressure valve 14 can be opened, the air in the second cavity 13 can be discharged, and the collected dust can be discharged out of the second cavity 13.
Example 2
As shown in fig. 4 to 5, the present embodiment is different from embodiment 1 in that: fixedly connected with many telescopic links 16 on the bottom of first cavity 3, the upper end of many telescopic links 16 is fixed the same friction plate 18 that generates heat with the friction of disc 6, wherein, friction plate 18 and disc 6 are metal material, because the drive energy of external air current makes disc 6 fast revolution, make disc 6 and friction plate 18 take place the friction and produce the heat, and the stable fusing point that can not reach disc 6 and friction plate 18 of friction, friction plate 18 is the fretwork board, be convenient for heat the gas in the first cavity 3, the cover is equipped with second spring 17 on the telescopic link 16, it is required to explain that, the both ends of second spring 17 respectively with the bottom of first cavity 3 and the lower extreme fixed connection of friction plate 18.
In this embodiment, because the quick rotation of disc 6 makes it take place the friction with friction plate 18 and release heat, it heats the gas in first cavity 3 to release heat energy through the friction, because the gas in first cavity 3 is the hot-air of suction from camera body 1, then can effectual improvement the temperature of the gas in the first cavity 3, when spouting hot gas to the mirror surface, not only do benefit to the dust removal, the phenomenon of freezing appears in the raindrop on the mirror surface when can also effectually preventing chilly winter, ensure the quality of the data of shooting when the camera law enforcement, effect through telescopic link 16 and second spring 17, make friction plate 18 offset the contact with disc 6 all the time.
Although the terms of the camera body 1, the lens 2, the first cavity 3, the rotating rod 4, the vertical fan 5, the disk 6, the magnet 7, the fourth one-way pressure valve 8, the first one-way pressure valve 9, the piston plate 10, the first spring 11, the air guide hole 12, the second cavity 13, the second one-way pressure valve 14, the third one-way pressure valve 15, the telescopic rod 16, the second spring 17, and the friction plate 18 are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (3)
1. The vehicle-mounted camera with the dust removal function comprises a camera body (1), wherein a camera lens (2) is hermetically arranged in the camera body (1), and is characterized in that a first cavity (3) is arranged in the side wall of the upper end of the camera body (1), a through hole which is communicated with the inside and the outside is formed in the top surface of the first cavity (3), a rotating rod (4) is arranged in the through hole in a rotating mode, a vertical fan (5) is arranged at the upper end of the rotating rod (4), a disc (6) is fixedly connected to the lower end of the rotating rod (4), a magnet (7) is fixedly connected to the edge of the upper end of the disc (6), a dust removal opening for dust removal of the camera lens (2) is formed in the bottom of the first cavity (3), a fourth one-way pressure valve (8) is arranged in the dust removal opening, an air inlet for sucking hot air in the camera body (1) is, install first one-way pressure valve (9) in the air inlet, sliding seal connects with magnet (7) driven piston board (10) in first cavity (3), piston board (10) is located the right side of air inlet, the right side fixedly connected with first spring (11) of piston board (10), the right side of first spring (11) and the right side inner wall fixed connection of first cavity (3), be equipped with air guide hole (12) on the right side inner wall of first cavity (3), be equipped with second cavity (13) in the lower extreme lateral wall of camera body (1), second cavity (13) and the end intercommunication setting of giving vent to anger of air guide hole (12), the bottom of second cavity (13) is equipped with the escape orifice, install second one-way pressure valve (14) in the escape orifice, the top surface of second cavity (13) is equipped with the collection dirt mouth that is used for collecting the dust, a third one-way pressure valve (15) is arranged in the dust collecting port; a plurality of telescopic rods (16) are fixedly connected to the bottom of the first cavity (3), the upper ends of the telescopic rods (16) are fixedly provided with a same friction plate (18) which generates heat by friction with the disc (6), and the telescopic rods (16) are sleeved with second springs (17); because the drive energy of external air current makes disc (6) fast rotation, because the fast rotation of disc (6) makes it take place the friction and carry out heat release with friction plate (18), heat energy through the friction heats the gas in first cavity (3), because the gas in first cavity (3) is the hot air of follow suction in camera body (1), then can effectual improvement first cavity (3) the gaseous temperature in, when spouting hot gas to the mirror surface, not only do benefit to the dust removal, the phenomenon that the raindrop on the mirror surface appears freezing when can also effectually preventing chilly winter, the quality of the data of shooting when guaranteeing the camera law enforcement, through the effect of telescopic link (16) and second spring (17), make friction plate (18) offset contact with disc (6) all the time.
2. The vehicle-mounted camera with the dust removal function according to claim 1, wherein the dust removal opening and the dust collection opening are both arc-shaped.
3. The vehicle-mounted camera with the dust removal function according to claim 1, wherein a dust collection groove is formed at the bottom of the second cavity (13), and the drain outlet is formed at the bottom of the dust collection groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291213.9A CN109451209B (en) | 2018-10-31 | 2018-10-31 | Vehicle-mounted camera with dust removal function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291213.9A CN109451209B (en) | 2018-10-31 | 2018-10-31 | Vehicle-mounted camera with dust removal function |
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| Publication Number | Publication Date |
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| CN109451209A CN109451209A (en) | 2019-03-08 |
| CN109451209B true CN109451209B (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811291213.9A Active CN109451209B (en) | 2018-10-31 | 2018-10-31 | Vehicle-mounted camera with dust removal function |
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| CN110177197B (en) * | 2019-06-28 | 2021-04-16 | 范永浩 | High-definition dustproof type reversing image camera |
| CN110769197B (en) * | 2019-10-28 | 2021-07-09 | 南京茗淇信息科技有限公司 | Outdoor monitoring equipment based on 5G network |
| CN110662003B (en) * | 2019-10-28 | 2021-04-27 | 浙江金邮供应链技术服务有限公司 | Video monitoring device with cleaning function based on 5G network |
| CN111556231A (en) * | 2020-04-24 | 2020-08-18 | 王玉林 | Vehicle-mounted camera for police car |
| CN111541836B (en) * | 2020-05-10 | 2021-12-10 | 淮北中易光电科技有限公司 | Dust removal heat dissipation type watch-dog |
| CN112235495A (en) * | 2020-10-16 | 2021-01-15 | 浙江圣纳智能科技有限公司 | Self-cleaning dust-removing vehicle-mounted rear camera |
| CN112261255B (en) * | 2020-10-16 | 2022-01-25 | 广东履安实业有限公司 | Hidden high-definition hemispherical network camera |
| CN112845370A (en) * | 2020-12-31 | 2021-05-28 | 重庆社安科技有限公司 | Automatic cleaning device of camera |
| CN113048352A (en) * | 2020-12-31 | 2021-06-29 | 重庆社安科技有限公司 | Fixing device of camera |
| CN116149116B (en) * | 2023-04-18 | 2023-08-01 | 江西联创电子有限公司 | Lens structure, camera module and electronic equipment |
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