WO2023158329A1 - Robot de nettoyage de caméras de surveillance par élimination de poussière, de saleté et de toiles d'araignées - Google Patents

Robot de nettoyage de caméras de surveillance par élimination de poussière, de saleté et de toiles d'araignées Download PDF

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Publication number
WO2023158329A1
WO2023158329A1 PCT/RO2023/050001 RO2023050001W WO2023158329A1 WO 2023158329 A1 WO2023158329 A1 WO 2023158329A1 RO 2023050001 W RO2023050001 W RO 2023050001W WO 2023158329 A1 WO2023158329 A1 WO 2023158329A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning
brush
lens
surveillance camera
mobile arm
Prior art date
Application number
PCT/RO2023/050001
Other languages
English (en)
Inventor
Robert Istvan BAN
Original Assignee
Ban Robert Istvan
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ban Robert Istvan filed Critical Ban Robert Istvan
Publication of WO2023158329A1 publication Critical patent/WO2023158329A1/fr

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Classifications

    • 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
    • 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
    • H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • the present invention provides a robot for cleaning surveillance cameras and a method for the removal of dust, dirt and spiderwebs, both from the lens of a surveillance camera and from the area located in the immediate proximity of the lens and in the perimeter comprising the surveillance camera viewing angle, using the cleaning robot according to the invention.
  • Surveillance cameras are used to capture images from the surrounding area to ensure the security of assets, as well as a feeling of comfort and safety to the user.
  • a cleaning device for surveillance cameras comprising an electric motor, an electronic box comprising a motor control circuit for controlling the movement of the electric motor and a time control circuit for controlling the start time, the end time and the duration of the cleaning cycles; an adjustable length vertical arm mounted on the electronic box housing and, further, on a notched foot, a pivoting L-shaped hinge that freely rotates and it is arranged on the vertical arm, a device provided with an electric motor-driven transmission mechanism and a cone-shaped cleaning unit, with a flat end, covered with a cleaning pad made of microfiber or other soft materials.
  • the cleaning unit includes a cleaning head and a blade propeller that rotates to lift the cleaning unit from the standby position to a cleaning position, to clean the surface of the surveillance camera lens.
  • the L-shaped pivoting hinge allows the cleaning device to move between the standby position and the cleaning position.
  • the propeller is rotated by the electric motor, and the cleaning device thus propelled will rise from the standby position into the cleaning position and will perform a rotating movement imprinted by the rotating shaft.
  • the cleaning process is carried out through the rotation of the propeller at speeds chosen so as to create a low pressure drop in front of the lens the surveillance camera is provided with.
  • the propeller may have several rotation speeds.
  • the cleaning device is provided with a temperature sensor and a light sensor, a fuse, a status LED, an electrically-actuated air or water tank, a spraying nozzle, electric insect killer wire and it may optionally also include a battery.
  • the patent application KR20130046124A relates to an automated surveillance camera cleaning device, the cleaning device comprising a housing, an operating assembly, a motion assembly and a cleaning assembly.
  • the housing includes a chamber for the mounting of its components inside the system housing, a rotating/motion channel made in the housing, located immediately after the mounting chamber and adapted to communicate with the mounting chamber; a guiding groove made in the inner surface of the housing and extending parallel to the movement channel, the guiding groove having a front end corresponding to the pivoting opening and a curved guiding portion that is made on an inner surface of the housing and is provided at the front end of the guiding groove, the operating assembly being mounted through the pivoting axis of the housing and of the movement channel; an operating rod having a pivoting end and a mounting head; and a connector mounted in the housing and pivotally connected to the actuation rod.
  • a driving assembly is mounted inside a housing mounting chamber and it is connected to the connector, thus linearly driving the actuation assembly.
  • the cleaning assembly includes: a cleaning
  • a first objective of the present invention is to provide a surveillance camera cleaning robot that eliminates the aforementioned shortcomings, associated to the prior art, while providing a better cleaning of certain components thereof.
  • another objective of the present invention is to provide a method for the removal of dust, dirt and spiderwebs from a surveillance camera onto which the cleaning robot according to the invention is mounted, a method that will ensure a maximum viewing angle of the camera during operation.
  • a first aspect of the invention relates to a surveillance camera cleaning robot comprising a brush system consisting in cleaning brushes, a first geared motor on the shaft whereof the cleaning brush system is arranged, a protection for the first geared motor, an adjustable length mobile arm connected to the first geared motor and to a second geared electric motor for the actuation of the mobile arm, a mobile arm length adjustment slot provided on the mobile arm, a protecting box for the second geared electric motor wherein the motor is arranged together with a microcontroller that triggers the cleaning and monitors the surroundings of the surveillance camera and some drivers for the geared motors, wherein the cleaning brush system is arranged on a “T”-shaped holder connected to the first geared motor and it is made up of simultaneously and bidirectionally rotating cleaning brushes, each of the cleaning brushes being arranged on a different end of the “T”-shaped holder, so that only one of the brushes may come into contact with the lens, and wherein the adjustable length mobile arm transmits microshocks generated by the second geared electric motor to the lens,
  • the cleaning robot comprising, a brush system made up of cleaning brushes, a first geared motor on the shaft whereof the cleaning brush system is arranged, a protection for the first geared motor; an adjustable length mobile arm connected to the first geared motor and to a second electric motor for the actuation of the mobile arm, a mobile arm length adjustment slot provided on the mobile arm, a protective box for the second geared electric motor wherein the motor is arranged, together with a microcontroller that triggers the cleaning and monitors the surroundings of the surveillance camera and some drivers for the geared motors, wherein the cleaning brush system is arranged on a “T”- shaped holder connected to the first geared motor and it is made up of simultaneously and bidirectionally rotating cleaning brushes, each of the cleaning brushes being located on a different end of the “T”-shaped holder, so that only one of the brushes may come into contact with the lens, and the adjustable length mobile arm transmits microshocks generated by the second geared electric motor to the lens, by means
  • the cleaning consists of a) the actuation of the mobile arm by the second electric geared motor, so that the mobile arm moves the cleaning brush system in front of the lens, in such a way that only one of the brushes comes into contact with the lens; b) the triggering of the bidirectional rotational motion of the cleaning brush system by the first geared motor for 2-15 seconds in both directions consecutively, simultaneously with the transmission of microshocks generated by the second electric motor to the surveillance camera, by means of the mobile arm and the cleaning brush that comes into contact with the lens; c) the withdrawal of the mobile arm and of the cleaning brush system that is still in rotational motion from the viewing perimeter of the surveillance camera to a standby position, while performing, simultaneously with the withdrawal, the cleaning of the area in the immediate proximity of the surveillance camera throughout the stroke length of the mobile arm.
  • Fig. 1 is a schematic view of the cleaning robot’s constructive elements
  • Fig. 2 is a schematic view of the cleaning robot attached to the surveillance camera in the cleaning process-specific position, with brush 1 coming into contact with the surveillance camera lens
  • Fig. 3 is a schematic view of the cleaning robot attached to the surveillance camera in the standby phase-specific position, waiting for the following cleaning process
  • the cleaning of the surveillance systems is required to increase their output.
  • the robot for cleaning surveillance cameras by removing dust, dirt and spiderwebs may also be attached to security camera type systems, security system sensors, anti-theft sensors, license plate recognition cameras, outdoor lighting lamps, lighting equipment exposed to environmental pollution in factories, mines, tunnels, and other pieces of equipment exposed to dust or to the formation of spiderwebs, for cleaning purposes.
  • the surveillance camera cleaning robot according to the invention is set to periodically resume the cleaning of the surveillance camera.
  • the time between two cleaning actions may be manually set by means of a button provided on the robot.
  • a temperature and light sensor is integrated onto the motherboard of the microcontroller (mounted on the PCB). It is able to check whether the temperature is too low, in which case the cleaning will not be triggered, to prevent ice formation on the cleaning brushes, which would have undesired effects for the surveillance camera lens.
  • the cleaning robot according to the invention is used attached to the equipment to be cleaned, using a fastening collar 10.
  • the cleaning robot according to the invention is actuated by a microcontroller, which triggers the cleaning when the environmental parameters (temperature, light) are met.
  • the geared electric motor 7 actuates the mobile arm 6 through which the cleaning brushes 1 and 2 are moved to the cleaning location (in front of the surveillance camera lens), where they ensure the cleaning of the lens surface and of the surrounding area, driven in a bidirectional rotational motion by the geared motor 3.
  • Brush 1 is the only one of the cleaning brushes to come into contact with the lens and thus cleans the surface of the lens, while brushes 2 clean the surrounding area.
  • the mobile arm 6 withdraws and simultaneously with its withdrawal, the brush pair 2 rotates to perform the cleaning of the area in the immediate proximity of the surveillance camera throughout the stroke length of the mobile arm 6, removing the spiderwebs in the entire respective area. Subsequently, mobile arm 6 remains in standby position until the next cleaning cycle starts.
  • the cleaning robot according to the invention While in standby, the cleaning robot according to the invention has a very low energy consumption.
  • the cleaning robot according to the invention thus is environmental-friendly, as it cleans the surveillance camera lens without requiring the use of special chemical materials.
  • the cleaning brush system 1 and 2 is arranged on a “T”-shaped holder, which is attached to the geared motor 3. Each of the brushes is arranged on a different end of a “T”-shaped holder,
  • the special “T”-shape of the brush holder and the arrangement of brushes 1 and 2 ensure thorough cleaning through: a) the actuation of the mobile arm by the second electric geared motor, so that the mobile arm moves the cleaning brush system in front of the lens, in such a way that only cleaning brush 1 comes into contact with the lens; b) the triggering of the bidirectional rotational motion of the cleaning brush system by the first geared motor for 2-15 seconds in both directions consecutively, simultaneously with the transmission of microshocks generated by the second electric motor to the surveillance camera, through the mobile arm and the cleaning brush 1 that comes into contact with the lens; c) the withdrawal of the mobile arm and of the cleaning brush system that is still in rotational motion from the viewing perimeter of the surveillance camera to a standby position, while performing, simultaneously with the withdrawal, the cleaning of the area in the immediate proximity of the surveillance camera throughout the stroke length of the mobile arm.
  • the surveillance camera lens is cleaned by the cleaning robot with the help of the cleaning brush 1 , which removes the dirt, dust and spiderwebs deposited on it.
  • brush 1 rotates for a period of time between 2 to 15 seconds in a first rotating direction (the first rotation phase), and then it stops and rotates in the opposite direction (the second rotation phase) for the same period of time.
  • the cleaning robot acts on the respective protection element, and not directly on the lens, ensuring its cleaning.
  • the area in the immediate proximity of the camera lens is also cleaned, through the simultaneous rotation of brushes 2 with brush 1 , the purpose and the final result of the operation being the removal of the spiderwebs in the area surrounding the lens.
  • the withdrawal of the mobile arm 6 from the cleaning position of the lens or of the surveillance camera lens protection element and the cleaning of the area in the immediate proximity of the surveillance camera throughout the stroke length of the mobile arm 6 occur simultaneously, through the rotation of the brush pair 2.
  • the cleaning brushes 1 and 2 are directly connected to the D-shaped rotating shaft of the geared motor 3, so that they always rotate simultaneously, and the rotating speed ranges between 50 and 500 RPM, being obviously equivalent to that of the shaft of the geared motor 3 (50-500 RPM).
  • the geared motor 3 is arranged in a plastic box 4 to be protected from dust deposits.
  • the brush-actuation geared motor 3 is attached to the mobile arm 6, which has the role of lifting the rotating brushes to the cleaning location, respectively to the surveillance camera lens/lens protection.
  • the length of the mobile arm 6 is adjustable to allow the cleaning robot according to the invention to be compatible with a wider range of surveillance camera models and sizes.
  • the adjustment is possible via slot 5 provided to allow for the adjustment of the length of arm 6, slot 5 being arranged on the mobile arm 6.
  • the length of the mobile arm 6 is set by locking the protection 4 in a desired position of the mobile arm 6, with the help of a locking device located in protection 4.
  • the protection 4 for the geared motor 3 consists of a plastic box meant to provide protection against the direct depositing of dust thereon.
  • the mobile arm 6 is thus actuated by the geared electric motor 7, so that the latter allows brush 1 to reach the lens of the surveillance camera or the protection element thereof.
  • the mobile arm 6 is provided with a tube so that the required wiring is not visible (to mask the geared motor power supply wiring 3) and to enhance its weather resistance.
  • the mobile arm 6 of the cleaning robot is directly connected to the geared electric motor 7 shaft.
  • the mobile arm 6 is a hollow lattice structure (visible in figure 1), which makes it lighter.
  • the speed of the geared electric motor 7 ranges between 1 and 12 RPM.
  • the geared electric motor 7 for the actuation of arm 6 has another major function: it generates microshocks in a controlled manner, which are transmitted to the rotating brush 1 by means of the mobile arm 6, leading to a more efficient and thorough cleaning.
  • the electric motor 7 for the actuation of arm 6 is accommodated in a box 8, so as to facilitate its attachment to the surveillance camera and to protect it against environmental factors.
  • Both geared motors 3 and 7, and the entire cleaning process are controlled by a microcontroller, which is responsible for the cleaning process. It controls the motors, monitors the environment by means of the temperature and light sensor, to determine whether the optimum conditions are met to trigger the cleaning process.
  • the temperature sensor postpones the triggering or stops the cleaning process in case the environmental temperature is below 2 degrees Celsius and, to ensure optimum cleaning, it calculates the waiting time between the cycles.
  • the adjustable arm After the conclusion of the cleaning process, the adjustable arm will exit the surveillance camera operating perimeter and it will return to the initial position until a new cleaning cycle is initiated. Thus, it is removed from the viewing angle of the camera, so as not to disturb its operation.
  • the cleaning robot removes the dirt, dust and spiderwebs, providing a thorough cleaning of the lens, of the area located in the immediate vicinity of the surveillance camera lens and of the area in the immediate proximity of the surveillance camera, throughout the stroke length of the mobile arm 6, i.e., the perimeter comprising the viewing angle of the surveillance camera.
  • the cleaning robot according to the invention has a very low impact on the surveillance camera power supply system available prior to the mounting of the robot.
  • FIG.1 illustrates the surveillance camera cleaning robot in the cleaning position.
  • FIG. 2 illustrates the cleaning brush system positioned onto the cleaning location by means of the mobile arm 6, while in figure 3 it is in the specific standby position, waiting for the next cleaning cycle.
  • the entire cleaning process is automated/robotic and requires no human intervention.
  • the special brush 1 for the removal of dirt and dust from the surveillance camera lens is rotationally driven by the geared motor 3 at a speed ranging between 50 and 500 RPM for 2-15 seconds in one rotating direction.
  • the brush is then rotationally driven in the opposite direction, the duration being the same for each rotating direction.
  • brush 1 is pressed onto the lens or the lens protection, with the generation of microshocks that ensure thorough cleaning, without damaging the lens.
  • brush 1 is pressed onto the lens or the lens protection, with the generation of microshocks that ensure thorough cleaning, without damaging the lens.
  • brushes 2 Simultaneously with the rotation of brush 1 , as part of the same cleaning stage, through the rotation of brushes 2 (FIG.1), the spiderwebs in the proximity of the surveillance camera lens or lens protection element are removed.
  • the brush pair 2 performs, by rotation, the cleaning of the area in the immediate proximity of the surveillance camera, throughout the stroke length of the mobile arm 6.
  • Brushes 1 and 2 arranged on the same T-shaped holder, are rotated for a preset duration ranging between 2 and 15 seconds for each rotation direction.
  • Cleaning brushes 1 and 2 can be made of synthetic or natural materials, depending on the location where the cleaning robot is used.
  • the mobile arm 6 can be manually adjusted to perfectly fit the surveillance camera model.
  • the cleaning brushes 1 and 2 are moved outside the operating perimeter (viewing angle) of the surveillance camera up to the standby position (FIG. 3), waiting for the next cleaning cycle.
  • the entire cleaning cycle comprising the movement of the brush system into the cleaning position, the completion of the cleaning stages, the withdrawal of the brush system from the viewing perimeter of the camera, the movement of the brush system into the standby position, waiting for a new cleaning cycle, is controlled by a microcontroller.
  • the microcontroller also monitors the environment of the surveillance camera (temperature, light), to identify the optimum cleaning time.
  • the cleaning robot is provided with a button for the programming of the operating mode, of the waiting time between the cleaning processes and a visual confirmation LED for users. After the cleaning operation is completed, the mobile arm 6 withdraws in the standby position until the next cleaning cycle starts, which is automatically triggered, again, depending on the environmental conditions and on the settings.
  • the cleaning brushes are oriented downwards, the humidity being thus naturally and more easily removed from the brush.
  • the time between the cleaning cycles is scheduled by means of the button provided on the cleaning robot.
  • the geared motor 3 and the geared motor 7 are hosted in protection housings, to ensure an extended lifespan even in environments full of dirt, dust, etc.
  • the cleaning robot is supplied with low power direct current.
  • the cleaning robot after being connected to the power supply, the cleaning robot is programmed to wait for a few seconds before initiating the cleaning process.
  • the waiting time is randomized and it depends on each device, so that the power supply system is not simultaneously loaded with the powering on of the surveillance camera.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cleaning In General (AREA)

Abstract

La présente invention concerne le nettoyage de caméras de surveillance. Le robot de nettoyage de caméras de surveillance selon l'invention comprend un système constitué de brosses de nettoyage (1, 2), disposées sur un support en forme de T, d'un premier moteur à engrenages (3), d'une protection (4), d'un bras mobile de longueur réglable (6) entraîné par un second moteur électrique (7), qui génère des micro-chocs à transmettre à la lentille de caméra de surveillance, d'une fente (5) pour le réglage de la longueur du bras (6), d'une boîte de protection (8), d'un microcontrôleur et de certains conducteurs. L'invention concerne également un procédé de nettoyage des caméras de surveillance. Le résultat technique consiste en un nettoyage de la zone à proximité immédiate de la caméra sur toute la longueur du bras mobile.
PCT/RO2023/050001 2022-02-15 2023-02-08 Robot de nettoyage de caméras de surveillance par élimination de poussière, de saleté et de toiles d'araignées WO2023158329A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ROA202200071A RO135818B1 (ro) 2022-02-15 2022-02-15 Robot de curăţare a camerelor de supraveghere prin îndepărtarea prafului, murdăriei şi pânzelor de păianjen
ROA202200071 2022-02-15

Publications (1)

Publication Number Publication Date
WO2023158329A1 true WO2023158329A1 (fr) 2023-08-24

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PCT/RO2023/050001 WO2023158329A1 (fr) 2022-02-15 2023-02-08 Robot de nettoyage de caméras de surveillance par élimination de poussière, de saleté et de toiles d'araignées

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RO (1) RO135818B1 (fr)
WO (1) WO2023158329A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117428797A (zh) * 2023-11-06 2024-01-23 苏州纳米大健康研究院有限公司 一种深部空间环境微生物监测机器人

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117463665A (zh) * 2023-12-27 2024-01-30 辽宁华讯信息技术股份有限公司 一种可自动清洁镜头且防破坏的安防监控探头

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Publication number Priority date Publication date Assignee Title
US6527000B1 (en) * 1999-11-04 2003-03-04 Vicon Industries, Inc. Non-contact wiper and washer assembly for surveillance camera domes
KR101181405B1 (ko) * 2010-07-09 2012-09-19 이영모 이물질 제거 및 광 차단 기능이 구비된 감시카메라
US20140267715A1 (en) * 2013-03-12 2014-09-18 AVAK Henderson Limited Partnership Systems for automatically removing spider webs and other debris from surveillance camera lenses
GB2527916A (en) * 2014-05-06 2016-01-06 James Calvey A device
RU2637013C2 (ru) * 2015-12-25 2017-11-29 Закрытое акционерное общество "Эридан" Устройство очистки стекла кожуха камеры наружного наблюдения

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6527000B1 (en) * 1999-11-04 2003-03-04 Vicon Industries, Inc. Non-contact wiper and washer assembly for surveillance camera domes
KR101181405B1 (ko) * 2010-07-09 2012-09-19 이영모 이물질 제거 및 광 차단 기능이 구비된 감시카메라
US20140267715A1 (en) * 2013-03-12 2014-09-18 AVAK Henderson Limited Partnership Systems for automatically removing spider webs and other debris from surveillance camera lenses
GB2527916A (en) * 2014-05-06 2016-01-06 James Calvey A device
RU2637013C2 (ru) * 2015-12-25 2017-11-29 Закрытое акционерное общество "Эридан" Устройство очистки стекла кожуха камеры наружного наблюдения

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117428797A (zh) * 2023-11-06 2024-01-23 苏州纳米大健康研究院有限公司 一种深部空间环境微生物监测机器人

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RO135818A0 (ro) 2022-06-30
RO135818A3 (ro) 2023-08-30

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