CN111294540A - Multimedia shooting and recording device and method based on 5G video transmission - Google Patents
Multimedia shooting and recording device and method based on 5G video transmission Download PDFInfo
- Publication number
- CN111294540A CN111294540A CN202010167290.4A CN202010167290A CN111294540A CN 111294540 A CN111294540 A CN 111294540A CN 202010167290 A CN202010167290 A CN 202010167290A CN 111294540 A CN111294540 A CN 111294540A
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- camera
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- water tank
- video transmission
- push rod
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 75
- 238000004140 cleaning Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- 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
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- 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
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- 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
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
The invention relates to the field of 5G teaching, and aims to provide a multimedia shooting and recording device and method based on 5G video transmission, wherein the device comprises a camera, a computer, a bracket and a platform, the top of the bracket is provided with a camera, the bracket comprises a base, a telescopic rod and a groove, one end of the telescopic rod is connected with the bottom of the groove, the other end of the telescopic rod is connected with the base, the shell of the camera is hinged with the inner wall of the groove, the platform also comprises a movable plate and a movable platform, the top of the mobile station is provided with a sliding chute, the movable plate is connected with the mobile station in a sliding way through the sliding chute, the camera is internally provided with the 5G video transmitter, and the 5G video transmitter is connected with a memory of a computer in a wireless connection mode.
Description
Technical Field
The invention relates to the field of 5G teaching, in particular to a multimedia shooting and recording device and method based on 5G video transmission.
Background
The 5G data transmission technology, i.e., the fifth generation mobile communication technology, was developed successfully by samsung corporation of korea. As is known, the 4G network speed is about ten times higher than that of 3G, while the 5G network speed is much higher than 4G, the data transmission speed can be increased by hundreds of times, and downloading high-definition movies is only measured in seconds. On the premise of the technical breach, the transmission module can be established by adopting the characteristics of 5G high-speed transmission and is embedded in the camera, the shot content of the camera can be transmitted to the cloud storage through the 5G high-speed transmission, and the transmission speed is greatly improved.
CN201820492611.6, a camera for transmitting images using 5G, the invention provides a camera for transmitting images using 5G, the camera for transmitting images using 5G comprises: the camera is used for collecting image information, a 5G video transmitter is embedded in the camera, the 5G video transmitter is connected with an external cloud storage in a wireless connection mode, and the image information collected by the camera is transmitted to the external cloud storage. The invention has the beneficial effects that: the speed of transmission image information has been accelerated through the 5G video transmission ware that sets up, the wire winding device of setting can twine the cable of reserving, make it neater more pleasing to the eye, the receiver of setting can be accomodate wire winding device and the cable of the reservation of winding on wire winding device together, further make the use 5G transmission image's that this application provided camera cleaner and tidier, the camera is changed to the cable that facilitates the use reservation simultaneously, but the classroom student is numerous, dust is great in the air, the camera surface is also touched by the student more easily, lead to leaving the fingerprint on the mirror surface, the picture that leads to the collection is fuzzy.
Therefore, a teaching shooting device is needed, scenes in a classroom can be collected, a computer on a platform is transmitted, a teacher can conveniently and subsequently call and check the scenes, and meanwhile, the surface of a camera is provided with a cleaning function, so that the collected classroom pictures are clear.
Disclosure of Invention
The invention aims to provide a multimedia shooting and recording device and method for 5G video transmission.A cleaning device is arranged on a camera, so that stains on a lens are removed through high-temperature steam without manual wiping, and cleaning can be triggered by only clicking a corresponding module on a computer;
in order to achieve the purpose, the technical scheme adopted by the invention is as follows: the multimedia shooting device based on 5G video transmission comprises a camera, a computer, a support and a platform, wherein the camera is arranged at the top of the support, the support comprises a base, a telescopic rod and a groove, one end of the telescopic rod is connected with the bottom of the groove, the other end of the telescopic rod is connected with the base, a shell of the camera is hinged with the inner wall of the groove, the platform further comprises a movable plate and a movable platform, a sliding groove is formed in the top of the movable platform, the movable plate is in sliding connection with the movable platform through the sliding groove, a 5G video transmitter is arranged in the camera, the 5G video transmitter is connected with a memory of the computer in a wireless connection mode, a water tank is arranged at one end, close to the camera, of the telescopic rod, an air outlet pipe and a backflow pipe are arranged on the water tank, and a heater is arranged in the water tank, the heater with the computer electricity is connected, the one end that the outlet duct is close to the camera with the camera lens top fixed connection of camera, the back flow is close to the one end of camera with the camera lens bottom of camera is connected.
Through the technical means, dust is large in a classroom, a large number of students and other personnel gather, the long-time uncleaned cleaning and removing of stains such as dust left on the camera can be caused to influence the capturing of classroom pictures, in order to realize automatic cleaning and efficient cleaning, a small water tank is arranged on a support of the camera, water vapor generated by a high-temperature heating water tank is attached to a lens, the stains are taken into a channel to be recycled after water flow is formed, and the lens cleaning device is suitable for popularization.
Preferably, the return pipe is close to one end of the camera and is provided with a channel, the bottom of the channel is a V-shaped groove, a through hole is formed in the channel, and the return pipe is communicated with the channel through the through hole.
Preferably, still be provided with automatic push rod on the camera, automatic push rod's one end with the shell fixed connection of camera, be provided with the cleaning plate on automatic push rod's the other end, the cleaning plate with the camera lens butt of camera, be provided with collection module and processing module in the water tank, collection module is used for gathering water yield data in the water tank, and will water yield data send to processing module, the water yield scope value of standard has in advance in the processing module, works as when water yield data is less than the water yield scope value of standard, processing module drives automatic push rod works.
Preferably, the automatic push rod is a linear electro-hydraulic push rod.
Preferably, the cleaning plate is sleeved with a cleaning sponge.
Preferably, the water quantity data collected by the collection module is a liquid level height value of water in the water tank.
In another aspect, a multimedia teaching interaction device comprising the 5G video transmission of claim 1, comprising the steps of: collecting pictures in a classroom through the camera, storing the pictures in a memory of the computer through wireless transmission, displaying the pictures on an interface of the computer, and entering step 2 when stains exist on the camera; step 2: a starting module is arranged on the interface of the computer, a user starts the heater through the starting module, water in the water tank is heated to generate steam, and the steam is discharged through the exhaust pipe; and step 3: the return pipe recovers water on the lens of the camera through the channel and leads the water into the water tank through the return pipe.
Preferably, the heater is a ceramic heating rod
Preferably, a display is arranged on the cabinet door and connected with the humidity detector.
Preferably, in the step 3, a liquid level relay is arranged in the water tank, an automatic push rod is arranged on the camera, and when the water amount in the water tank reaches a set standard range value, the liquid level relay starts the automatic push rod.
Compared with the prior art, the invention has the beneficial effects that:
1. collecting scenes in a classroom and storing the scenes in a computer;
2. the automatic cleaning of the lens is realized, and the camera and the computer can move, so that the system is more humanized;
3. 5G video transmission is adopted, so that the method is fast and convenient, and classroom scenes can be called conveniently at the rear end.
Drawings
FIG. 1 is a diagram of a multimedia teaching interaction method for 5G video transmission;
FIG. 2 is a block diagram of the entirety of one embodiment of the present invention;
FIG. 3 is a block diagram of a camera in one embodiment of the invention;
fig. 4 is a flow chart of the triggering of the automatic pushing rod in one embodiment of the present invention.
Description of reference numerals: 1. a camera; 3. a mobile station; 4. a movable plate; 5. a water tank; 6. a return pipe; 7. an air outlet pipe; 8. a telescopic rod; 9. a groove; 10. a channel; 11. automatic pushing; 12. cleaning the plate; 13. a base.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 4 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other implementations made by those of ordinary skill in the art based on the embodiments of the present invention are obtained without inventive efforts.
In the description of the present invention, it is to be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting.
Example 1:
the multimedia teaching interaction device and the method for 5G video transmission comprise a camera 1, a computer, a support and a platform, wherein the camera 1 is arranged at the top of the support, the support comprises a base 13, a telescopic rod 8 and a groove 9, one end of the telescopic rod 8 is connected with the bottom of the groove 9, the other end of the telescopic rod 8 is connected with the base 13, the shell of the camera 1 is hinged with the inner wall of the groove 9, the platform further comprises a movable plate 4 and a movable platform 3, the top of the movable platform 3 is provided with a sliding groove, the movable plate 4 is in sliding connection with the movable platform 3 through the sliding groove, a 5G video transmitter is arranged in the camera 1, the 5G video transmitter is connected with a memory of the computer in a wireless connection mode, one end of the telescopic rod 8, which is close to the camera 1, is provided with a water tank 5, the water tank 5 is provided with an air outlet pipe 7 and a return pipe 6, the water tank 5 is internally provided with a heater, the heater is electrically connected with the computer, one end of the air outlet pipe 7, which is close to the camera 1, is fixedly connected with the top of the lens of the camera 1, and one end of the return pipe 6, which is close to the camera 1, is connected with the bottom of the lens of the camera 1.
It is worth to be noted that one end of the return pipe 6, which is close to the camera 1, is provided with a channel 10, the bottom of the channel 10 is a V-shaped groove, a through hole is arranged on the channel 10, and the return pipe 6 is communicated with the channel 10 through the through hole.
It is worth to be noted that, referring to fig. 4, the camera 1 is further provided with an automatic push rod 11, one end of the automatic push rod 11 is fixedly connected with the housing of the camera 1, the other end of the automatic push rod 11 is provided with a cleaning plate 12, the cleaning plate 12 is abutted to the lens of the camera 1, a collection module and a processing module are arranged in the water tank 5, the collection module is used for collecting water volume data in the water tank 5 and sending the water volume data to the processing module, a standard water volume range value is prestored in the processing module, and when the water volume data is lower than the standard water volume range value, the processing module drives the automatic push rod 11 to work.
It should be noted that the automatic push rod 11 is a linear electro-hydraulic push rod, in this embodiment, a micro automatic push rod 11 is selected, a controller of the micro automatic push rod controls the automatic push rod 11 to operate by collecting an electric signal transmitted by a liquid level sensor, a working value is pre-stored in an encoder on the automatic push rod 11, and the automatic push rod 11 is triggered to operate for 2 times, that is, the micro automatic push rod is pushed forward for 2 times.
It should be noted that, referring to fig. 3, the cleaning plate 12 is sleeved with a cleaning sponge, in this embodiment, the raw material is melamine foam, and the physical decontamination mechanism is adopted, and the nano-scale capillary open-pore structure in the sponge is relied on, so that the dirt on the surface of the object is automatically adsorbed during the wiping process.
It is worth to say that the water quantity data collected by the collection module is the liquid level height value of the water in the water tank 5.
Example 2:
in embodiment 1, the multimedia teaching interactive apparatus including 5G video transmission according to claim 1, comprises the following steps:
step 1: the method comprises the following steps that pictures in a classroom are collected through a camera 1, the pictures are stored in a memory of a computer through wireless transmission and are displayed on an interface of the computer, and when stains exist on the camera 1, the step 2 is carried out;
step 2: a starting module is arranged on the interface of the computer, a user starts the heater through the starting module, and water in the water tank 5 is heated to generate steam and is discharged through the exhaust pipe; and step 3: the return pipe 6 recovers water on the lens of the camera 1 through the channel 10 and leads the water to the water tank 5 through the return pipe 6.
It is worth to say that the heater adopts a ceramic heating rod, and the length of the heating rod is less than 10 cm, so that the load of the water tank 5 is prevented from being increased.
It should be noted that, in step 3, a liquid level relay is arranged in the water tank 5, an automatic push rod 11 is arranged on the camera 1, and when the water amount in the water tank 5 reaches a set standard range value, the liquid level relay starts the automatic push rod 11.
It is worth mentioning that, having avoided artifical manual to clean the camera lens surface of camera 1, this embodiment is for more humanized design, and camera 1 that can move is placed in each corner in the classroom, adjusts camera 1's height through telescopic link 8, catches the picture of different scopes.
It is worth to say that, 5G video transmitter is embedded in the camera 1, and the 5G video transmitter is connected with the external cloud storage in a wireless connection mode and transmits the image information acquired by the camera 1 to the external cloud storage. In this embodiment, the camera 1 is a wide-angle infrared camera 1, and the shooting range is wide, and the camera is suitable for use under different illumination intensities. The 5G video transmitter adopts the 5G video transmitter sold in the market. The wireless connection mode adopted in this embodiment is a WIFI communication connection mode or a GPRS communication connection mode commonly used in the prior art.
It is worth to say that the support is provided with external power supply, to the power supply of above-mentioned device, carbon fiber support is chooseed for use to support base 13, is convenient for remove.
It is worth explaining that the V-shaped groove is selected to receive water drops flowing down from the lens, the water drops flow back into the water tank 5 quickly, the automatic push rod 11 is triggered by the quicker response of the liquid level sensor, the surface of the lens is prevented from being too dry, certain moisture is kept, the surface of the lens can be cleaned more easily by the cleaning sponge, and the lens is clean and free of stains.
It should be noted that, considering that the water flow on the lens also has water flow marks on the lens, in order to avoid this, the automatic pushing rod 11 is sleeved with a cleaning sponge, and in addition, considering that the water in the water tank 5 is recycled for many times, the automatic pushing rod can be replaced at regular time, so as to avoid the blocking of the air outlet pipe 7 and the return pipe 6 by impurities.
It is worth to be noted that, considering the whole device, the return pipe 6 and the air outlet pipe 7 are made of rubber hoses, so that the device is corrosion-resistant, light in weight and convenient to install.
In summary, the implementation principle of the invention is as follows: the cleaning device is arranged on the camera 1, so that stains on the lens are removed through high-temperature steam, manual wiping is not needed, and cleaning can be triggered by only clicking a corresponding module on a computer.
Claims (9)
1. The multimedia shooting device based on 5G video transmission is characterized by comprising a camera (1), a computer, a support and a platform, wherein the camera (1) is arranged at the top of the support, the support comprises a base (13), a telescopic rod (8) and a groove (9), one end of the telescopic rod (8) is connected with the bottom of the groove (9), the other end of the telescopic rod (8) is connected with the base (13), a shell of the camera (1) is hinged with the inner wall of the groove (9), the platform further comprises a movable plate (4) and a movable platform (3), a sliding groove is formed in the top of the movable platform (3), the movable plate (4) is in sliding connection with the movable platform (3) through the sliding groove, a 5G video transmitter is arranged in the camera (1), and the 5G video transmitter is connected with a memory of the computer in a wireless connection mode, the telescopic link (8) is close to the one end of camera (1) is provided with water tank (5), be provided with outlet duct (7) and back flow (6) on water tank (5), be provided with the heater in water tank (5), the heater with the computer electricity is connected, outlet duct (7) are close to the one end of camera (1) with the camera lens top fixed connection of camera (1), back flow (6) are close to the one end of camera (1) with the camera lens bottom of camera (1) is connected.
2. The multimedia recording device based on 5G video transmission is characterized in that one end of the return pipe (6) close to the camera (1) is provided with a channel (10), the bottom of the channel (10) is a V-shaped groove, a through hole is arranged on the channel (10), and the return pipe (6) is communicated with the channel (10) through the through hole.
3. The multimedia shooting device based on 5G video transmission according to claim 1, wherein an automatic push rod (11) is further arranged on the camera (1), one end of the automatic push rod (11) is fixedly connected with a shell of the camera (1), a cleaning plate (12) is arranged at the other end of the automatic push rod (11), the cleaning plate (12) is abutted to a lens of the camera (1), an acquisition module and a processing module are arranged in the water tank (5), the acquisition module is used for acquiring water volume data in the water tank (5) and sending the water volume data to the processing module, a standard water volume range value is prestored in the processing module, and when the water volume data is lower than the standard water volume range value, the processing module drives the automatic push rod (11) to work.
4. The multimedia recording device based on 5G video transmission as claimed in claim 3, wherein the automatic push rod (11) is a linear electro-hydraulic push rod.
5. The multimedia recording device based on 5G video transmission is characterized in that a cleaning sponge is sleeved on the cleaning plate (12).
6. The multimedia recording device based on 5G video transmission is characterized in that the water amount data collected by the collection module is a liquid level height value of water in the water tank (5).
7. The multimedia recording method based on 5G video transmission, which comprises the multimedia teaching interaction device of 5G video transmission in claim 1, is characterized by comprising the following steps:
step 1: the method comprises the following steps that pictures in a classroom are collected through a camera (1), stored in a memory of a computer through wireless transmission and displayed on an interface of the computer, and when stains exist on the camera (1), the step 2 is carried out;
step 2: a starting module is arranged on the interface of the computer, a user starts the heater through the starting module, and water in the water tank (5) is heated to generate steam and is discharged through the exhaust pipe;
and step 3: the return pipe (6) recovers water on the lens of the camera (1) through the channel (10) and leads the water into the water tank (5) through the return pipe (6).
8. The multimedia recording method based on 5G video transmission, according to claim 7, wherein the heater is a ceramic heating rod.
9. The multimedia recording method based on 5G video transmission according to claim 7, wherein in the step 3, a liquid level relay is arranged in the water tank (5), an automatic push rod (11) is arranged on the camera (1), and when the water amount in the water tank (5) reaches a set standard range value, the liquid level relay starts the automatic push rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010167290.4A CN111294540B (en) | 2020-03-11 | 2020-03-11 | Multimedia shooting and recording device and method based on 5G video transmission |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010167290.4A CN111294540B (en) | 2020-03-11 | 2020-03-11 | Multimedia shooting and recording device and method based on 5G video transmission |
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| Publication Number | Publication Date |
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| CN111294540A true CN111294540A (en) | 2020-06-16 |
| CN111294540B CN111294540B (en) | 2021-03-12 |
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| CN202010167290.4A Expired - Fee Related CN111294540B (en) | 2020-03-11 | 2020-03-11 | Multimedia shooting and recording device and method based on 5G video transmission |
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|---|---|---|---|---|
| CN202311980U (en) * | 2011-11-11 | 2012-07-11 | 王萍 | Multimedia platform for network education |
| CN202909991U (en) * | 2012-11-20 | 2013-05-01 | 富盛科技股份有限公司 | Self-cleaning device for vidicon shield glass |
| CN204746913U (en) * | 2015-06-02 | 2015-11-11 | 国网山东寿光市供电公司 | Spherical camera self - cleaning device |
| CN205125463U (en) * | 2015-09-15 | 2016-04-06 | 李婷瑶 | Novel electronic commerce teaching platform |
| CN107520165A (en) * | 2017-09-11 | 2017-12-29 | 国网四川省电力公司绵阳供电公司 | Camera intelligence cleaning device |
| CN108682162A (en) * | 2018-05-25 | 2018-10-19 | 深圳市奈士迪技术研发有限公司 | A kind of electronic police with regulatory function |
| CN209476768U (en) * | 2018-11-30 | 2019-10-11 | 浙江东方职业技术学院（浙江东方专修学院） | A kind of camera cleaning device of video monitoring |
| CN210055110U (en) * | 2019-03-28 | 2020-02-14 | 深圳科润视讯技术有限公司 | Platform with double-rod lifting platform surface capable of being turned |
-
2020
- 2020-03-11 CN CN202010167290.4A patent/CN111294540B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202311980U (en) * | 2011-11-11 | 2012-07-11 | 王萍 | Multimedia platform for network education |
| CN202909991U (en) * | 2012-11-20 | 2013-05-01 | 富盛科技股份有限公司 | Self-cleaning device for vidicon shield glass |
| CN204746913U (en) * | 2015-06-02 | 2015-11-11 | 国网山东寿光市供电公司 | Spherical camera self - cleaning device |
| CN205125463U (en) * | 2015-09-15 | 2016-04-06 | 李婷瑶 | Novel electronic commerce teaching platform |
| CN107520165A (en) * | 2017-09-11 | 2017-12-29 | 国网四川省电力公司绵阳供电公司 | Camera intelligence cleaning device |
| CN108682162A (en) * | 2018-05-25 | 2018-10-19 | 深圳市奈士迪技术研发有限公司 | A kind of electronic police with regulatory function |
| CN209476768U (en) * | 2018-11-30 | 2019-10-11 | 浙江东方职业技术学院（浙江东方专修学院） | A kind of camera cleaning device of video monitoring |
| CN210055110U (en) * | 2019-03-28 | 2020-02-14 | 深圳科润视讯技术有限公司 | Platform with double-rod lifting platform surface capable of being turned |
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| Publication number | Publication date |
|---|---|
| CN111294540B (en) | 2021-03-12 |
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