CN109743479B - Self-cleaning high-speed surveillance camera head - Google Patents
Self-cleaning high-speed surveillance camera head Download PDFInfo
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- CN109743479B CN109743479B CN201811606223.7A CN201811606223A CN109743479B CN 109743479 B CN109743479 B CN 109743479B CN 201811606223 A CN201811606223 A CN 201811606223A CN 109743479 B CN109743479 B CN 109743479B
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Abstract
The invention discloses a self-cleaning high-speed monitoring camera which comprises a camera body, wherein a ventilation cavity penetrates through the lower end of the camera body, axial flow fan blades are mounted at two ends of the ventilation cavity, the two axial flow fan blades synchronously rotate through a connecting shaft, a first sliding groove and a device cavity are formed in the side wall of the camera body, the device cavity is located below the first sliding groove, the inner top of the first sliding groove is rotatably connected with a reciprocating lead screw, the lower end of the reciprocating lead screw penetrates through the inner bottom of the first sliding groove and extends into the device cavity, a gear is fixedly connected to the lower end of the reciprocating lead screw, a lead screw nut is mounted on the reciprocating lead screw, and the lead screw nut is slidably connected to the inner wall of the first sliding groove. The invention has novel conception, solves the problem that the mirror surface of the camera on the highway is blurred due to the gradual attachment of dust on the surface of the camera, and has the advantages of automatically cleaning stains and constantly keeping the shooting surface of the camera clean.
Description
Technical Field
The invention relates to the technical field of monitoring, in particular to a self-cleaning high-speed monitoring camera.
Background
The monitoring camera is widely applied to the field of high-speed traffic, but the automobile running speed on a highway is high, a large amount of dust can be raised by airflow generated by the automobile running, and the dust can be gradually attached to the surface of the camera to cause the mirror surface to be fuzzy, so that the camera shooting effect is poor.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a self-cleaning high-speed monitoring camera which solves the problem that a mirror surface of the camera on a highway is blurred due to the fact that dust gradually adheres to the surface of the camera, and has the advantages of automatically cleaning stains and constantly keeping the shooting surface of the camera clean.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-cleaning high-speed monitoring camera comprises a camera body, wherein a ventilation cavity is arranged at the lower end of the camera body in a penetrating mode, axial flow fan blades are arranged at two ends of the ventilation cavity, the two axial flow fan blades synchronously rotate through a connecting shaft, a first sliding groove and a device cavity are arranged on the side wall of the camera body, the device cavity is located below the first sliding groove, a reciprocating lead screw is rotatably connected to the inner top of the first sliding groove, the lower end of the reciprocating lead screw penetrates through the inner bottom of the first sliding groove and extends into the device cavity, a gear is fixedly connected to the lower end of the reciprocating lead screw, a lead screw nut is mounted on the reciprocating lead screw and is slidably connected to the inner wall of the first sliding groove, a silica gel scraping strip which is always in contact with a camera lens of the camera body is fixedly connected to the side wall of the lead screw nut through a connecting rod, and a first annular groove is formed in, the device cavity is close to one side inner wall of first ring channel and is equipped with smooth chamber, it has first smooth stopper to slide sealing connection in the smooth chamber, the left end of first smooth stopper passes through push rod fixedly connected with and the rack of gear engaged with, install the conducting strip in the first ring channel, the conducting strip runs through the inner wall of first ring channel and extends to smooth intracavity, it is equipped with inflation liquid to slide the cavity that the chamber is located first smooth stopper right side, install the friction ring with the conducting strip contact all the time in the first ring channel, and the coaxial fixed connection of friction ring is on the connecting axle.
Preferably, the silica gel scraper bar is made of transparent silica gel.
Preferably, the heat conducting strip is made of a copper material with good heat conduction, and the part of the heat conducting strip, which is in contact with the friction ring, is subjected to wear-resistant treatment.
Preferably, a water storage cavity is formed in the side wall of the camera body, a water accumulating groove is formed in the upper end of the camera body, the water accumulating groove is communicated with the water storage cavity, a one-way valve which only allows water to enter the water storage cavity is installed at the communicated position, a second annular groove is formed in the inner wall of the ventilation cavity along the circumferential direction of the ventilation cavity, a plurality of fixing rods are fixedly connected to the side wall of the connecting shaft along the circumferential direction at equal intervals, one ends, far away from the connecting shaft, of the fixing rods are located in the second annular groove, a second sliding groove is formed in the side wall of each fixing rod, a magnetic sliding block is connected in the second sliding groove in a sliding mode and is elastically connected to the inner wall of the second sliding groove through a spring, the inner bottom of the water storage cavity is communicated with the second annular groove through a communicating cavity, a magnetic sliding plug which is repellent to the, the lateral wall of silica gel scraping strip is seted up the hole for water spraying with the cavity intercommunication, the water storage chamber passes through pipe and cavity intercommunication, and the intercommunication department of water storage chamber and pipe installs the pressure valve.
The invention has the following beneficial effects:
1. the axial flow fan blades are driven by kinetic energy of air flow, the axial flow fan blades rotate to drive the connecting shaft to rotate, the connecting shaft rotates to drive the friction ring to rotate, the friction ring rotates to rub the heat conducting fins to generate heat, so that expansion liquid expands, the first sliding plug is pushed to move leftwards, the push rod is pushed to move the rack, the rack moves to drive the gear to rotate, the gear rotates to drive the reciprocating lead screw to rotate, the reciprocating lead screw rotates to enable the lead screw nut to reciprocate upwards and downwards, other driving devices are not needed, the complexity of the structure is reduced, and meanwhile, energy consumption is effectively reduced;
2. the lead screw nut drives the silica gel scraping strip to reciprocate, and then the connecting rod drives the silica gel scraping strip to automatically clean stains on the surface of the camera body, so that the camera body can always keep a good camera shooting effect;
3. the fixing rod is driven to rotate through the connecting shaft when the magnetic sliding block is rotated, the magnetic sliding block can gradually approach the magnetic sliding plug under the action of centrifugal force, when the magnetic sliding block sweeps below the magnetic sliding plug, the magnetic sliding plug moves upwards under the action of repulsive force between the magnetic sliding block and the magnetic sliding plug, so that air in the water storage cavity is compressed, water in the water storage cavity sequentially passes through the pressure valve, the guide pipe and the cavity and is sprayed out from the water spraying hole, the magnetic sliding plug moves up and down in a reciprocating mode along with continuous rotation of the fixing rod, continuous intermittent water supply is formed, a lens of the camera body is cleaned, and the dust cleaning effect is better;
4. the water in the water storage cavity not only can be used for cleaning the camera body, but also can assist the camera body to dissipate heat, so that the service life of the camera body is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of a self-cleaning high-speed monitoring camera provided by the invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural view of example 2;
fig. 4 is an enlarged schematic view of the structure at B in fig. 3.
In the figure: the camera comprises a screw nut 1, axial flow fan blades 2, a ventilation cavity 3, a connecting shaft 4, a first annular groove 5, a friction ring 6, a device cavity 7, a silica gel scraping strip 8, a connecting rod 9, a reciprocating screw rod 10, a camera body 11, a first sliding chute 12, a first sliding plug 13, a heat conducting strip 14, expansion liquid 15, a push rod 16, a gear 17, a rack 18, a spring 19, a fixing rod 20, a magnetic sliding block 21, a magnetic sliding plug 22, a communicating cavity 23, a one-way valve 24, a water storage cavity 25, a conduit 26, a water spraying hole 27, a cavity 28 and a water accumulating groove 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a self-cleaning high-speed monitoring camera comprises a camera body 11, a ventilation cavity 3 is arranged at the lower end of the camera body 11 in a penetrating manner, axial flow fan blades 2 are mounted at both ends of the ventilation cavity 3, the two axial flow fan blades 2 synchronously rotate through a connecting shaft 4, a first chute 12 and a device cavity 7 are arranged on the side wall of the camera body 11, the device cavity 7 is positioned below the first chute 12, a reciprocating lead screw 10 is rotatably connected to the inner top of the first chute 12, the lower end of the reciprocating lead screw 10 penetrates through the inner bottom of the first chute 12 and extends into the device cavity 7, a gear 17 is fixedly connected to the lower end of the reciprocating lead screw 10, a lead screw nut 1 is mounted on the reciprocating lead screw 10, the lead screw nut 1 is slidably connected to the inner wall of the first chute 12, a silica gel scraping strip 8 which is always in contact with the lens of the camera body 11 is fixedly connected to the, the silica gel scraping strip 8 is made of transparent silica gel, and the silica gel scraping strip 8 made of transparent silica gel can effectively prevent the silica gel scraping strip 8 from shielding the lens.
The inner wall of the ventilation cavity 3 is provided with a first annular groove 5 along the circumferential direction, the inner wall of one side of the device cavity 7 close to the first annular groove 5 is provided with a sliding cavity, the sliding cavity is connected with a first sliding plug 13 in a sliding sealing way, the left end of the first sliding plug 13 is fixedly connected with a rack 18 meshed with a gear 17 through a push rod 16, a heat conducting strip 14 is arranged in the first annular groove 5, the arrangement of the first annular groove 5 can effectively prevent the heat generated by the friction of the friction ring 6 and the heat conducting strip 14 caused by the flowing of air flow in the ventilation cavity 3 from being taken away, the heat conducting strip 14 penetrates through the inner wall of the first annular groove 5 and extends into the sliding cavity, the cavity at the right side of the first sliding plug 13 is internally provided with expansion liquid 15, and the friction ring 6 always in contact with, the friction ring 6 is coaxially and fixedly connected to the connecting shaft 4, the heat conducting strip 14 is made of a copper material with good heat conduction, and the contact part of the heat conducting strip 14 and the friction ring 6 is subjected to wear-resistant treatment.
When the device is used, the monitoring camera on the highway is installed in an open area, the wind power of the environment is large, the surrounding air flow drives the axial flow fan blades 2 to rotate, the axial flow fan blades 2 rotate to drive the connecting shaft 4 to rotate, the connecting shaft 4 rotates to drive the friction ring 6 to rotate, the friction ring 6 rotates to rub the heat conducting fins 14 to generate heat, so that the expansion liquid 15 expands, then the first sliding plug 13 is pushed to move leftwards, the push rod 16 pushes the rack 18 to move, the rack 18 moves to drive the gear 17 to rotate, the gear 17 rotates to drive the reciprocating lead screw 10 to rotate, the reciprocating lead screw 10 rotates to enable the lead screw nut 1 to reciprocate upwards and downwards, and further the connecting rod 9 drives the silica gel scraping strip 8 to automatically clean stains on the surface of the camera body 11, so that the camera body 11 can always keep a good camera.
Example 2
Referring to fig. 3-4, different from embodiment 1, a water storage cavity 25 is opened in a side wall of a camera body 11, a water accumulating tank 29 is opened at an upper end of the camera body 11, the water accumulating tank 29 is communicated with the water storage cavity 25, a one-way valve 24 allowing only water to enter the water storage cavity 25 is installed at the communication position, a second annular groove is opened on an inner wall of a ventilation cavity 3 along a circumferential direction thereof, a plurality of fixing rods 20 are fixedly connected to the side wall of a connecting shaft 4 along the circumferential direction thereof at equal intervals, one end of each fixing rod 20 far away from the connecting shaft 4 is located in the second annular groove, a second sliding groove is opened in the side wall of each fixing rod 20, a magnetic slider 21 is slidably connected in the second sliding groove, the magnetic slider 21 is elastically connected to the inner wall of the second sliding groove through a spring 19, an inner bottom of the water storage cavity 25 is communicated with the second annular groove through a communication cavity, a cavity 28 is arranged in the side wall of the silica gel scraping strip 8, a water spraying hole 27 communicated with the cavity 28 is formed in the side wall of the silica gel scraping strip 8, the water storage cavity 25 is communicated with the cavity 28 through a guide pipe 26, and a pressure valve is arranged at the communication position of the water storage cavity 25 and the guide pipe 26.
In this embodiment, rainwater enters the water storage cavity 25 through the water collecting tank 29 and the one-way valve 24 for storage, the connecting shaft 4 drives the fixing rod 20 to rotate when rotating, the magnetic slider 21 can gradually approach the magnetic sliding plug 22 under the action of centrifugal force, when the magnetic slider 21 passes under the magnetic sliding plug 22, under the action of repulsive force between the magnetic slider 21 and the magnetic sliding plug 22, the magnetic sliding plug 22 moves upwards to compress air in the water storage cavity 25, so that water in the water storage cavity 25 sequentially passes through the pressure valve, the conduit 26 and the cavity 28 and is sprayed out from the water spraying hole 27, the fixing rod 20 continuously rotates, the magnetic sliding plug 22 reciprocates up and down, continuous intermittent water supply is formed, lenses of the camera body 11 are cleaned, and the dust cleaning effect is better.
It is worth mentioning that: in the device, when the environmental wind is small, the centrifugal force generated by the rotation of the fixed rod 20 cannot overcome the elastic force of the spring 19, the repulsive force between the magnetic slide block 21 and the magnetic slide plug 22 is not enough to push the magnetic slide plug to move, and the waste of water in the water storage cavity 25 is effectively reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. A self-cleaning high-speed monitoring camera comprises a camera body (11) and is characterized in that a ventilation cavity (3) penetrates through the lower end of the camera body (11), axial flow fan blades (2) are installed at two ends of the ventilation cavity (3), the axial flow fan blades (2) synchronously rotate through a connecting shaft (4), a first sliding groove (12) and a device cavity (7) are formed in the side wall of the camera body (11), the device cavity (7) is located below the first sliding groove (12), a reciprocating lead screw (10) is rotatably connected to the inner top of the first sliding groove (12), the lower end of the reciprocating lead screw (10) penetrates through the inner bottom of the first sliding groove (12) and extends into the device cavity (7), a gear (17) is fixedly connected to the lower end of the reciprocating lead screw (10), and a lead screw nut (1) is installed on the reciprocating lead screw (10), the lead screw nut (1) is connected to the inner wall of a first sliding groove (12) in a sliding mode, the side wall of the lead screw nut (1) is fixedly connected with a silica gel scraper (8) which is always in contact with a lens of a camera body (11) through a connecting rod (9), the inner wall of a ventilation cavity (3) is provided with a first annular groove (5) along the circumferential direction of the inner wall, a sliding cavity is arranged on the inner wall of one side, close to the first annular groove (5), of a device cavity (7), a first sliding plug (13) is connected in the sliding cavity in a sliding sealing mode, the left end of the first sliding plug (13) is fixedly connected with a rack (18) meshed with a gear (17) through a push rod (16), a heat conducting strip (14) is installed in the first annular groove (5), the heat conducting strip (14) penetrates through the inner wall of the first annular groove (5) and extends into the sliding cavity, and expansion liquid (15) is arranged in a cavity, and a friction ring (6) which is always in contact with the heat-conducting fins (14) is arranged in the first annular groove (5), and the friction ring (6) is coaxially and fixedly connected on the connecting shaft (4).
2. A self-cleaning high-speed surveillance camera head according to claim 1, characterized in that the silicone wiper strip (8) is made of transparent silicone.
3. A self-cleaning high-speed monitoring camera according to claim 1, wherein the heat conducting sheet (14) is made of copper material with good heat conductivity, and the part of the heat conducting sheet (14) contacting with the friction ring (6) is subjected to wear-resistant treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606223.7A CN109743479B (en) | 2018-12-27 | 2018-12-27 | Self-cleaning high-speed surveillance camera head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606223.7A CN109743479B (en) | 2018-12-27 | 2018-12-27 | Self-cleaning high-speed surveillance camera head |
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| Publication Number | Publication Date |
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| CN109743479A CN109743479A (en) | 2019-05-10 |
| CN109743479B true CN109743479B (en) | 2020-12-22 |
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| CN201811606223.7A Active CN109743479B (en) | 2018-12-27 | 2018-12-27 | Self-cleaning high-speed surveillance camera head |
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Effective date of registration: 20201207 Address after: 3 / F-2, building 3, Nantang 2, Wangdian Town, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant after: Jiaxing Mishi Electric Appliance Co.,Ltd. Address before: 130000 No. 5988 Renmin Street, Jilin, Changchun Applicant before: Chen Yubei |
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Effective date of registration: 20230809 Address after: Room 1227, South Building, Innovation Building, Big Data Industrial Park, Kecheng Street, Yannan High tech Zone, Yancheng City, Jiangsu Province, 224000 Patentee after: Yancheng jijihao Technology Co.,Ltd. Address before: 3 / F-2, building 3, Nantang 2, Wangdian Town, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee before: Jiaxing Mishi Electric Appliance Co.,Ltd. |