CN115672816B - Audio frequency record appearance is looked in single alert law enforcement of automatically cleaning - Google Patents
Audio frequency record appearance is looked in single alert law enforcement of automatically cleaning Download PDFInfo
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- CN115672816B CN115672816B CN202211496648.3A CN202211496648A CN115672816B CN 115672816 B CN115672816 B CN 115672816B CN 202211496648 A CN202211496648 A CN 202211496648A CN 115672816 B CN115672816 B CN 115672816B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to the field of electronic equipment, in particular to a self-cleaning single-police law enforcement video and audio recorder which comprises a body and a cleaning unit, wherein a camera is arranged on the body, the cleaning unit is arranged on the outer surface of the body, the cleaning unit comprises a shell, a dirt blocking cover, a micro motor, a brush head and a brush holder, a lens window is arranged at the upper end of the shell, the dirt blocking cover is of a transparent ring structure and is positioned inside the shell, the upper end of the dirt blocking cover is exposed out of the shell through the lens window and covers the camera on the outer surface of the body, the micro motor is positioned inside the shell and is in coaxial threaded rotary connection with the dirt blocking cover, the brush head is divided into a rotating shaft positioned at the front end and cleaning cloth positioned at the rear end, the brush head is arranged at the lower end of the outer surface of the dirt blocking cover and is in contact with the dirt blocking cover, the brush holder is in rotary connection with the rotating shaft, and the brush holder is arranged in a threaded through hole of the shell; this automatically cleaning single alert law enforcement audio frequency recorder can keep the cleanness at the camera position in the course of the work, and can not cause the shelter from to the camera at clean in-process.
Description
Technical Field
The invention relates to the field of electronic equipment, in particular to a self-cleaning single-police law enforcement video and audio recorder.
Background
Present law enforcement record appearance possesses the shooting and the recording function, when the law enforcement personnel carried law enforcement record appearance executive task, often can meet extreme environment, the law enforcement record appearance can expose in environment such as sleet, smoke and dust, sleet and smoke and dust can cover the camera surface at law enforcement record appearance, and current law enforcement record appearance does not possess the scrubbing function, the spot can exert an influence to final record video information quality, and the mode of the manual clean spot of law enforcement personnel, not only untimely, the effect is poor, and produce the influence to law enforcement personnel's work easily.
To the problem in the aspect of the camera is clean, some designs have been done to prior art, can reach the clean effect under the specific environment, specifically as follows:
1. in order to solve the problem of cleaning a surveillance camera, the invention of China patent CN103272791B (published: 2015-6-10) discloses a device for cleaning a surveillance camera, which is provided with a telescopic rod, wherein a cleaning mechanism is arranged at the top end of the telescopic rod and can rotate, and the device is also provided with a water spraying mechanism for spraying water to the surveillance camera, so that the device has high automation degree and can avoid marks left on the surface of the camera. However, the device has a large structure, needs to continuously provide electric energy and cleaning liquid, and is lack of convenience and economy.
2. Aiming at the self-cleaning problem of the outdoor camera, the Chinese invention patent CN105578000B (published: 2018-9-28) discloses a wind self-cleaning outdoor camera, wherein a lens and a hemispherical protective cover are arranged below a base, the protective cover buckles the lens cover inside, a bearing is arranged outside the base, arc-shaped fan blades are arrayed on the outer ring of the bearing in the circumferential direction, a wiper blade is fixedly connected with the outer ring of the bearing, and the camera can automatically eliminate surface raindrops under the weather conditions of wind and rain, so that the clear monitoring visual field is always kept. However, such cameras are somewhat wind dependent.
3. Also for the cleaning problem of the camera, the Chinese invention patent CN105127120B (published: 2017-3-22) discloses a camera cleaning device, which comprises a bracket, a cleaning brush, a dust cover and a turntable, wherein the bracket is arranged on the outer wall of the camera, the turntable and a driving mechanism for driving the turntable to rotate are arranged in the bracket, a four-bar mechanism is arranged on the turntable, and a transmission mechanism is arranged between a crank of the four-bar mechanism and a motor; the cleaning brush is fixed at the free end of the connecting rod of the four-bar linkage mechanism, the dustproof cover is installed on the outer wall of the support, the electric telescopic rod is arranged between the dustproof cover and the support, and the device is small and exquisite relatively and can clean the camera automatically according to needs. However, the device can shield the surface of the camera in the process of cleaning the camera, and the video quality is affected.
In view of the existing problems, the invention provides an improved self-cleaning single-police law enforcement video and audio recorder to solve the problems.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the utility model provides a single alert law enforcement of automatically cleaning audio frequency recorder, can cover and clean the camera region when audio frequency recorder carries out the work video recording in the law enforcement, and can not lead to the fact the field of vision to the camera in clean process and shelter from, changes according to operational environment, and clean speed can be adjusted to this single alert law enforcement of automatically cleaning audio frequency recorder, guarantees to record law enforcement record video integrality and high quality.
The invention provides the following technical scheme: a self-cleaning single-police law enforcement video and audio recorder comprises a body and a cleaning unit; the cleaning unit is arranged on the outer surface of the body; the upper end of the outer surface of the body is provided with a camera; the cleaning unit comprises a shell, a dirt blocking cover, a micro motor, a brush head and a brush seat; the shell is a cylindrical shell, a lens window is arranged at the upper end of the shell, and a threaded through hole is formed at the lower end of the surface of the shell; the dirt blocking cover is of a transparent circular ring structure; the dirt blocking cover is positioned in the shell and is coaxial with the shell, the upper end of the dirt blocking cover is exposed out of the shell through a lens window of the shell and covers the camera on the outer surface of the body, and a gap of 0.5-1.5mm is reserved between the inner surface of the dirt blocking cover and the camera; the micro motor is positioned in the shell and is coaxially arranged on the inner surface of the shell with the shell; the micro motor is in coaxial threaded rotary connection with the dirt blocking cover; the brush head is divided into a rotating shaft positioned at the front end and cleaning cloth positioned at the rear end; the brush head is arranged at the lower end of the outer surface of the dirt blocking cover, and the cleaning cloth is in contact with the dirt blocking cover; the brush seat is rotationally connected with the rotating shaft; the brush holder is installed in the threaded through hole of the shell in a threaded manner.
As an embodiment of the invention, a first gear is further arranged between the rotating shaft and the cleaning cloth; a second gear coaxial with the dirt blocking cover is arranged on the outer surface of the dirt blocking cover; the first gear is engaged with the second gear.
In one embodiment of the present invention, a water absorption resistant material is further disposed between the cleaning cloth and the first gear.
As an embodiment of the invention, the threaded fit between the brush holder and the housing has an axial adjustability range of 1-2 mm.
As an embodiment of the present invention, the lens window of the housing has a fan-shaped structure, and the fan-shaped angle is 90 ° and the width of the fan is 10-15mm; the lower surface of the lens window is provided with an inclination of 10-15 degrees, and the inner angles at the two sides of the lower surface are provided with fillets.
As an implementation mode of the invention, a sealing ring is further arranged at the shell opening of the shell, and the sealing ring is made of silica gel; the outer surface of the dirt blocking cover is kept sealed with the shell through the sealing ring.
As an embodiment of the invention, the shell is internally filled with cleaning liquid, and the cleaning liquid is stored in a sealed cavity surrounded by the inner surface of the shell, the outer surface of the dirt blocking cover and the sealing ring.
As an embodiment of the invention, the lower end of the cylindrical surface of the outer shell is provided with a liquid exchange port; and a sealing cover is also arranged at the liquid changing port.
As an embodiment of the invention, a solar cell is arranged at the center of the outer side of the shell, and the solar cell is electrically connected with the micro motor; the micro motor is a waterproof micro motor.
As an embodiment of the invention, the bottom surface of the shell is also provided with a circular bottom cover, the upper end of the bottom cover is provided with a circular lens hole, and the diameter of the lens hole is 0.8-1.2mm; the bottom cover is fixedly connected with the shell in a sealing way; the bottom cover is made of magnetic substances; an iron sheet is arranged on the outer surface of the body; the bottom cover is adsorbed with the iron sheet; the cleaning unit is detachably and magnetically connected with the body through a bottom cover.
The invention has the following beneficial effects:
1. according to the invention, the camera and dirt are isolated by covering the annular transparent dirt blocking cover at the camera of the law enforcement video and audio recorder, and then the dirt blocking cover is wiped in a rotating manner, so that the area covered by the dirt blocking cover on the camera is always clean, and a brush for wiping the dirt blocking cover can not shield the camera all the time.
2. According to the self-cleaning single-police law enforcement video and audio recorder, the solar cell is matched with the micro motor, so that the cleaning unit does not need to be additionally supplied with energy, the overall structural design is simplified, the overall volume of the self-cleaning single-police law enforcement video and audio recorder is controllable, the cleaning unit can be adsorbed on the surface of the law enforcement video and audio recorder and can be detached by matching the magnetic bottom cover with the shell, and the law enforcement video and audio recorder is prevented from being burdened when the self-cleaning single-police law enforcement video and audio recorder is not required to be used.
3. According to the invention, the position of the brush seat is axially adjusted, so that the positive pressure between the brush head and the dirt blocking cover is adjusted, the force during cleaning can be adjusted, cleaning liquid is injected into the shell, and the sealing ring is additionally arranged on the edge of the shell, so that the sealing property of the cavity in the shell can be ensured, the cleaning liquid remained on the surface of the dirt blocking cover can be scraped completely, and the better cleaning effect on the dirt blocking cover is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic illustration of the body of the present invention;
FIG. 3 is a schematic rear view of the cleaning unit of the present invention;
FIG. 4 is a front view of the housing of the present invention;
FIG. 5 is a schematic view of a cleaning unit of the present invention;
FIG. 6 is a front elevational view of the brush head of the present invention;
FIG. 7 is a schematic view of the cleaning unit removing the housing of the present invention;
FIG. 8 is a schematic view of a dirt shield of the present invention;
FIG. 9 is a cross-sectional view of the housing of the present invention;
fig. 10 is a cross-sectional view of a dirt shield of the present invention.
In the figure: the cleaning device comprises a body 1, a camera 11, an iron sheet 12, a cleaning unit 2, a shell 21, a lens window 211, a liquid changing port 212, a dirt blocking cover 22, a second gear 221, a micro motor 23, a brush head 24, cleaning cloth 241, a water absorption resistant material 242, a first gear 243, a rotating shaft 244, a brush holder 25, a sealing ring 26, a sealing cover 27, a solar cell 28, a bottom cover 29 and a lens hole 291.
Detailed Description
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
Example 1: referring to fig. 1 to 10, the invention discloses a self-cleaning single-police law enforcement video and audio recorder, which comprises a body 1 and a cleaning unit 2; the cleaning unit 2 is arranged on the outer surface of the body 1; the upper end of the outer surface of the body 1 is provided with a camera 11; the cleaning unit 2 comprises a shell 21, a dirt blocking cover 22, a micro motor 23, a brush head 24 and a brush seat 25;
the shell 21 is a cylindrical shell, the upper end of the shell 21 is provided with a lens window 211, and the lower end of the surface of the shell 21 is provided with a threaded through hole; the dirt blocking cover 22 is of a transparent circular ring structure; the dirt blocking cover 22 is positioned in the shell 21 and is coaxial with the shell 21, the upper end of the dirt blocking cover 22 is exposed out of the shell 21 through the lens window 211 of the shell 21 and covers the camera 11 on the outer surface of the body 1, and a gap of 0.5-1.5mm is reserved between the inner surface of the dirt blocking cover 22 and the camera 11; the dirt blocking cover 22 can prevent the camera 11 from being stained, the clean area is always rotated to the position of the camera 11 in the rotation process of the dirt blocking cover 22, the visual field of the camera 11 is ensured to be clean, the area of the dirt blocking cover 22 stained with the dirt is rotated to enter the shell 21 for cleaning, a gap is reserved between the dirt blocking cover 22 and the camera 11, and the surface of the camera 11 is prevented from being abraded;
the micro motor 23 is positioned inside the shell 21 and is coaxially arranged on the inner surface of the shell 21 with the shell 21; the micro motor 23 is in coaxial threaded rotary connection with the dirt blocking cover 22, and the micro motor 23 drives the dirt blocking cover 22 to rotate; the brush head 24 is divided into a rotating shaft 244 at the front end and a cleaning cloth 241 at the rear end; the brush head 24 is arranged at the lower end of the outer surface of the dirt blocking cover 22, and the cleaning cloth 241 is contacted with the dirt blocking cover 22; the cleaning cloth 241 is responsible for cleaning the surface of the dirt blocking cover 22 and is not easy to scratch the outer surface of the dirt blocking cover 22, and the cleaning cloth 241 can be replaced; the brush holder 25 is rotatably connected with the rotating shaft 244; the brush seat 25 is installed in the threaded through hole of the shell 21 in a threaded manner;
keep off dirty cover 22 cooperation lens window 211's design, through keeping off dirty cover 22's rotation, can be under the condition that does not influence camera 11 work, keep camera 11 field of vision clean all the time, clean work can carry out mutually noninterference with video recording work in step, and through adjusting the rotational speed that keeps off dirty cover 22, can also adjust clean speed to adapt to different operational environment.
Example 2: referring to fig. 7, a first gear 243 is further disposed between the rotating shaft 244 and the cleaning cloth 241; a second gear 221 coaxial with the dirt blocking cover 22 is arranged on the outer surface of the dirt blocking cover; the first gear 243 is meshed with the second gear 221; when the dirt blocking cover 22 rotates, the dirt blocking cover 22 drives the brush head 24 to rotate, the rotating speed of the brush head 24 is in direct proportion to the rotating speed of the dirt blocking cover 22, when the law enforcement video and audio recorder is in a severe environment, the rotating speed of the dirt blocking cover 22 is increased, the rotating speed of the brush head 24 is increased accordingly, and the cleaning speed is increased; when the law enforcement video and audio recorder is in a good environment, the rotation speed of the dirt blocking cover 22 is reduced, the rotation speed of the brush head 24 is also reduced, energy consumption is reduced, the brush head 24 and the dirt blocking cover 22 are in direct meshing transmission, the proportional synchronization of the rotation speeds of the two is ensured, the structure is simplified, and the whole volume of the device is reduced.
Example 3: referring to fig. 6, a water-absorption resistant material 242 is further disposed between the cleaning cloth 241 and the first gear 243; when the law enforcement video and audio recorder encounters rain and snow weather, a large amount of water is absorbed by the cleaning cloth 241 in the process of cleaning the dirt blocking cover 22, and then the water permeates into the water absorption resistant material 242, so that the durability of the cleaning cloth 241 is enhanced.
Example 4: with reference to fig. 5, the threaded engagement between the brush holder 25 and the housing 21 has an axial adjustability range of 1-2 mm; every time the screwing depth of the brush seat 25 relative to the shell 21 is adjusted, the brush seat 25 can push the brush head 24, so that the positive pressure between the cleaning cloth 241 and the dirt blocking cover 22 is changed, the force when the cleaning cloth 241 cleans the dirt blocking cover 22 is changed, and the proper cleaning strength can be conveniently adjusted according to the dirt with different stubborn degrees.
Example 5: referring to fig. 4, 5 and 9, the lens window 211 of the housing 21 has a fan-shaped structure, and the fan-shaped angle is 90 ° and the width of the fan is 10-15mm; the size of the opening is proper, so that the cleaning unit can not limit the visual field of the camera 11, and the clean area on the dirt blocking cover 22 can be prevented from being stained before rotating to the position of the camera 11; the lower surface of the lens window 211 is provided with an inclination of 10-15 degrees, and the inner angles at the two sides of the lower surface are provided with fillets, so that rainwater and dust are prevented from being accumulated on the lower surface of the lens window 211.
Example 6: referring to fig. 4, 5 and 9, a sealing ring 26 is further disposed at the shell opening of the housing 21, and the sealing ring 26 is made of a silica gel material; the sealing ring 26 is in sliding contact with the outer surface of the dirt blocking cover 22, and the sealing ring 26 is made of silica gel materials so as to avoid scratching the dirt blocking cover 22; the outer surface of the dirt shield 22 is sealed against the housing 21 by a sealing ring 26.
Example 7: referring to fig. 5, the inside of the housing 21 is further filled with a cleaning solution, and the cleaning solution is stored in a sealed cavity defined by the inner surface of the housing 21, the outer surface of the dirt blocking cover 22 and the sealing ring 26; the cleaning liquid can improve the cleaning effect on the dirt blocking cover 22, and when the outer surface of the dirt blocking cover 22 is screwed out from the lens window 211, the sealing ring 26 scrapes the outer surface of the dirt blocking cover 22, so that the cleaning liquid is prevented from being carried out and shielding the camera 11; the lower end of the cylindrical surface of the shell 21 is provided with a liquid exchange port 212; a sealing cover 27 is further arranged at the liquid exchange port 212; when the cleaning liquid is used for a long time, the cleaning liquid can be discharged through the liquid changing port 212, and new cleaning liquid is injected, so that the cleaning effect of the cleaning unit 2 is ensured to be constant;
when the cleaning liquid is injected into the casing 21, the design of the water-absorbing material 242 is cancelled, and the cleaning liquid is prevented from being absorbed by the water-absorbing material 242, so that the cleaning effect is reduced.
Example 8: referring to fig. 5, a solar cell 28 is disposed at the center of the outer side of the housing 21, and the solar cell 28 is electrically connected to the micro motor 23; the solar battery 28 converts solar energy into electric energy and stores the electric energy, and when the micro motor 23 runs, the solar battery 28 directly supplies power to the micro motor 23, so that the cleaning unit 2 does not need to supply extra energy, the structure is simple and compact, and the effects of energy conservation and environmental protection are achieved; the micro motor 23 is a waterproof micro motor 23, and when the cleaning liquid is injected into the shell 21, the micro motor 23 can still work normally when being soaked in the cleaning liquid.
Example 9: referring to fig. 3, a circular bottom cover 29 is further arranged on the bottom surface of the housing, the bottom cover 29 is attached to the outer surface of the body 1, a circular lens hole 291 is formed in the upper end of the bottom cover 29, the diameter of the lens hole 291 is 0.8-1.2mm, and the lens hole 291 is right corresponding to the camera 11; the bottom cover 29 is fixedly connected with the shell in a sealing way, so that the cleaning liquid is prevented from leaking from the edge of the bottom cover 29; the bottom cover 29 is made of magnetic materials; an iron sheet 12 is arranged on the outer surface of the body 1; the bottom cover 29 is adsorbed with the iron sheet 12; the cleaning unit 2 is detachably and magnetically connected with the body 1 through a bottom cover 29;
when the law enforcement video and audio recorder is in a good working environment, the cleaning unit 2 can be taken off from the body 1, so that the influence on the quality of the video recorded by the camera 11 is avoided; when the law enforcement video and audio recorder is in a severe working environment, the cleaning unit 2 can be adsorbed on the outer surface of the body 1 to prevent stains from contaminating the camera 11; compare other removable modes, magnetism is inhaled detachable design and is had the convenient advantage of loading and unloading, and can keep the clean and tidy, complete of shell surface, need not to increase in addition the cooperation device.
When the device is used, whether the working environment of the law enforcement video and audio recorder is good or not is judged, if the camera 11 is easily stained in severe environments such as rain, snow, smoke and the like, the cleaning unit 2 and the iron sheet 12 of the law enforcement video and audio recorder are adsorbed, the area of the upper end of the dirt blocking cover 22, which is exposed out of the lens window 211, covers the camera 11, and the lens hole 291 corresponds to the camera 11.
The switch of the micro motor 23 is pressed, the solar cell 28 provides the stored electric energy for the micro motor 23, the micro motor 23 drives the dirt blocking cover 22 to rotate, the dirt blocking cover 22 drives the brush head 24 to rotate in the brush seat 25 through the meshing relation of the second gear 221 and the first gear 243, the cleaning cloth 241 cleans the outer surface of the dirt blocking cover 22, the cleaning force of the cleaning cloth 241 on the dirt blocking cover 22 can be controlled through fine adjustment of the screwing-in depth of the brush seat 25 on the shell 21, the cleaning liquid in the shell 21 assists the cleaning cloth 241 to clean the outer surface of the dirt blocking cover 22, the cleaned area of the outer surface of the dirt blocking cover 22 is screwed out from one side of the lens window 211, the cleaning liquid attached to the outer surface of the dirt blocking cover 22 is scraped by the sealing ring 26 in the screwing-out process, and meanwhile, the stained area of the outer surface of the dirt blocking cover 22 is screwed in from the other side of the lens window 211 and is cleaned.
After the cleaning is completed, the sealing cap 27 can be removed, the cleaning liquid can be discharged from the liquid changing port 212, and a new cleaning liquid can be replenished, and at the same time, the brush holder 25 can be unscrewed, and the brush head 24 can be removed and replaced for the next use.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a self-cleaning single police law enforcement video audio recorder which characterized in that: comprises a body (1) and a cleaning unit (2); the cleaning unit (2) is arranged on the outer surface of the body (1); the upper end of the outer surface of the body (1) is provided with a camera (11); the cleaning unit (2) comprises a shell (21), a dirt blocking cover (22), a micro motor (23), a brush head (24) and a brush seat (25); the shell (21) is a cylindrical shell, a lens window (211) is formed in the upper end of the shell (21), and a threaded through hole is formed in the lower end of the surface of the shell (21); the dirt blocking cover (22) is of a transparent circular ring structure; the dirt blocking cover (22) is positioned in the shell (21) and is coaxial with the shell (21), the upper end of the dirt blocking cover (22) is exposed out of the shell (21) through a lens window (211) of the shell (21) and covers the camera (11) on the outer surface of the body (1), and a gap of 0.5-1.5mm is reserved between the inner surface of the dirt blocking cover (22) and the camera (11); the micro motor (23) is positioned inside the shell (21) and is coaxially arranged on the inner surface of the shell (21) with the shell (21); the micro motor (23) is in coaxial threaded rotary connection with the dirt blocking cover (22); the brush head (24) is divided into a rotating shaft (244) at the front end and a cleaning cloth (241) at the rear end; the brush head (24) is arranged at the lower end of the outer surface of the dirt blocking cover (22), and the cleaning cloth (241) is in contact with the dirt blocking cover (22); the brush seat (25) is rotationally connected with the rotating shaft (244); the brush seat (25) is installed in a threaded through hole of the shell (21) in a threaded mode;
a first gear (243) is arranged between the rotating shaft (244) and the cleaning cloth (241); a second gear (221) coaxial with the dirt blocking cover is arranged on the outer surface of the dirt blocking cover (22); the first gear (243) is meshed with the second gear (221);
a water absorption resistant material (242) is arranged between the cleaning cloth (241) and the first gear (243);
the lens window (211) of the shell (21) is of a fan-shaped structure, and the fan-shaped angle is 90 degrees, and the fan-shaped width is 10-15mm; the lower surface of the lens window (211) is provided with an inclination of 10-15 degrees, and the inner angles at the two sides of the lower surface are provided with fillets;
a sealing ring (26) is further arranged at the shell opening of the shell (21), and the sealing ring (26) is made of silica gel; the outer surface of the dirt blocking cover (22) is kept sealed with the shell (21) through a sealing ring (26);
cleaning liquid is also injected into the shell (21) and stored in a sealed cavity surrounded by the inner surface of the shell (21), the outer surface of the dirt blocking cover (22) and the sealing ring (26);
the lower end of the cylindrical surface of the shell (21) is provided with a liquid exchange port (212); a sealing cover (27) is also arranged at the liquid changing port (212).
2. The self-cleaning single-police law enforcement audio-visual recorder of claim 1, wherein: the thread fit between the brush holder (25) and the housing (21) has an axial adjustability range of 1-2 mm.
3. The self-cleaning single-police law enforcement video and audio recorder set forth in claim 1, wherein: a solar cell (28) is arranged at the center of the outer side of the shell (21), and the solar cell (28) is electrically connected with the micro motor (23); the micro motor (23) is a waterproof micro motor (23).
4. The self-cleaning single-police law enforcement audio-visual recorder of claim 1, wherein: the bottom surface of the shell is also provided with a circular bottom cover (29), the upper end of the bottom cover (29) is provided with a circular lens hole (291), and the diameter of the lens hole (291) is 0.8-1.2mm; the bottom cover (29) is fixedly connected with the shell in a sealing way; the bottom cover (29) is made of magnetic substances; an iron sheet (12) is arranged on the outer surface of the body (1); the bottom cover (29) is adsorbed with the iron sheet (12); the cleaning unit (2) is detachably and magnetically connected with the body (1) through a bottom cover (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211496648.3A CN115672816B (en) | 2022-11-28 | 2022-11-28 | Audio frequency record appearance is looked in single alert law enforcement of automatically cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211496648.3A CN115672816B (en) | 2022-11-28 | 2022-11-28 | Audio frequency record appearance is looked in single alert law enforcement of automatically cleaning |
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| Publication Number | Publication Date |
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| CN115672816A CN115672816A (en) | 2023-02-03 |
| CN115672816B true CN115672816B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211496648.3A Active CN115672816B (en) | 2022-11-28 | 2022-11-28 | Audio frequency record appearance is looked in single alert law enforcement of automatically cleaning |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105939458A (en) * | 2016-05-12 | 2016-09-14 | 贺州市公安局 | Visual positioning digital intercom type audio/video recorder |
| US9821346B1 (en) * | 2016-05-12 | 2017-11-21 | International Business Machines Corporation | Planar gearing system |
| CN108856037A (en) * | 2018-07-30 | 2018-11-23 | 杨建华 | A kind of camera automatic cleaning apparatus |
| CN109484361B (en) * | 2018-11-22 | 2022-02-11 | 深圳市威群视科技有限公司 | Self-cleaning vehicle-mounted reversing camera |
| CN115228870A (en) * | 2022-07-14 | 2022-10-25 | 惠州市德赛西威汽车电子股份有限公司 | Self-cleaning vehicle-mounted camera device |
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| CN115672816A (en) | 2023-02-03 |
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