CN116055862A - Method and system for remotely controlling portable camera based on Internet of things - Google Patents

Method and system for remotely controlling portable camera based on Internet of things Download PDF

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CN116055862A
CN116055862A CN202310331087.XA CN202310331087A CN116055862A CN 116055862 A CN116055862 A CN 116055862A CN 202310331087 A CN202310331087 A CN 202310331087A CN 116055862 A CN116055862 A CN 116055862A
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camera
portable camera
control terminal
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CN116055862B (en
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王鹏
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Zhongying Technology Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0869Network architectures or network communication protocols for network security for authentication of entities for achieving mutual authentication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/907Television signal recording using static stores, e.g. storage tubes or semiconductor memories
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Multimedia (AREA)
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  • Computer Security & Cryptography (AREA)
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Abstract

The invention belongs to the field of control of the Internet of things, and provides a method and a system for remotely controlling a portable camera based on the Internet of things, wherein the method comprises the following steps: the method comprises the steps that a control terminal establishes a communication link with a portable camera, and after mutual authentication is carried out between the control terminal and the portable camera, a control instruction is sent to the portable camera; after receiving a remote control command through a network interface, the application software of the portable camera converts the command into a preset control command and sends the preset control command to the singlechip to control the portable camera to enter different working modes and safety modes; the operating modes include wake-up and sleep modes; by the method, the device can be deployed remotely, so that the monitoring can be performed everywhere, and the safety of the device and the safety of data in the device can be ensured.

Description

Method and system for remotely controlling portable camera based on Internet of things
Technical Field
The invention belongs to the field of control of the Internet of things, and particularly relates to a method and a system for remotely controlling a portable camera based on the Internet of things.
Background
Cameras are used very widely in modern life and are of a wide variety, being classified into wired and wireless according to the network access mode. The existing wired remote control camera needs network wiring before the camera is installed, and the camera can not be moved at will after the installation, and if the camera is moved, the camera needs rewiring. For example, in chinese patent CN201467366U, the existing wireless remote control camera is connected by WIFI, and because of limited WIFI transmission distance, the installation position of the camera cannot be far from the hot spot by a distance of 10 meters, and if the distance is exceeded, the real-time video picture quality of the camera is seriously affected. Or the existing portable cameras based on the telecommunication mobile network mostly need to access the management background service provided by the camera manufacturer for remote control and remote access, and cannot perform local area network ad hoc network;
(1): traditional wired network cameras are limited by network wiring, the monitoring location is susceptible to wiring, and once installed, the replacement location is costly.
(2): the portable cameras on the market need to be connected with an access platform provided by a manufacturer, and the network has security risks; the remote control needs to pass through a background server, the network structure is complex, the remote control is easily limited by the stability of the server, and the maintenance cost of small factories is high;
(3): in a camcorder deployed in a responsible environment, such as being forced or stolen, there may be a risk of theft of internally stored data.
Therefore, how to realize a remote control portable camera based on the internet of things, which can be deployed remotely, can monitor everywhere, and can ensure equipment safety and data safety is a problem to be solved urgently.
Disclosure of Invention
In view of the above, the invention provides a method for remotely controlling a portable camera based on the Internet of things, by which equipment can be remotely deployed, monitoring can be carried out everywhere, timely warning can be ensured when the equipment is moved or stolen, and data stored in the equipment is not leaked; the method comprises the following steps: the method comprises the steps that a control terminal establishes a communication link with a portable camera, and after mutual authentication is carried out between the control terminal and the portable camera, a control instruction is sent to the portable camera; after receiving a remote control command through a network interface, the application software of the portable camera converts the command into a preset control command and sends the preset control command to the singlechip to control the portable camera to enter different working modes and safety modes; the working modes comprise a remote wake-up mode and a sleep mode, and the portable camera controls the working state of the camera module according to different working modes; the safety mode comprises an arming mode, an disarming mode and a self-destruction mode; according to different safety modes, the portable camera controls working states of the gyroscope, the Beidou positioning module and the data memory; the gyroscope and the Beidou positioning module are used for detecting whether the portable camera falls or is moved and sending alarm information to the control terminal; the portable video camera can also enter a self-destruction mode according to a command of the control terminal or the self-setting.
Particularly, a broadband intelligent wireless communication module is configured in the portable camera for network communication, wherein the portable camera adopts an Android system, the front end is configured with an HTTP service, and a control instruction of a control terminal is received in the form of a webpage requested by an HTTP network; the web page is also provided with an RTSP service, and the control terminal can play real-time video acquired by the camera or shot video stored in the storage device through the streaming media player.
In particular, after the control terminal establishes a communication link with the portable camera, in the mutual authentication between the control terminal and the portable camera, the authentication of the portable camera by the control terminal specifically includes: the main board of the portable camera is provided with an IMEI chip, unique identity ID is formed by combining and encoding identity information, the identity information comprises an IMEI number, an android ID and a hardware ID, the portable camera sends the identity information to a background management service, and a background manager completes identity registration of the camera after confirming that the related identity information and the unique identity ID are correct; before the camera is used, after the unique identity ID is sent, the background management service detects that the camera is registered, and then the login and authentication of the preset identity are completed.
Particularly, when the portable camera is in a dormant mode, the camera module is in a closed state; and when a remote wake-up instruction sent by the control terminal is received, the camera module enters a working state.
In particular, converting the command into the predetermined control command includes that the communication protocol between the application software and the single chip microcomputer includes a start character, a version number, a command word, a payload, a checksum and an end character field.
In particular, the camcorder may transmit a heartbeat packet to the control terminal according to a preset timing; when the external key of the portable camera is pressed, the singlechip triggers a corresponding control command and notifies the control terminal through an HTTP protocol;
particularly, when the portable camera is in the defense setting mode, the portable camera detects whether the portable camera falls off or not through the gyroscope or whether the portable camera is moved or not through the Beidou positioning module, and sends an alarm to the control terminal; the control terminal judges the state of the portable camera, and if the portable camera is judged to be accidentally dropped, the control terminal can inform a worker to go to the site for maintenance;
if the portable camera is judged to be moved under the condition of no permission, the control terminal can browse videos and screenshots of the camera in a preset time period before and after the camera is moved in real time and transmit the videos and screenshots back to the local for certification; or the control terminal can send a control instruction to enable the portable video camera to enter the self-destruction mode, or the portable video camera automatically enters the self-destruction mode.
In particular, when the camcorder is in self-destruction mode, all data in the storage may be formatted, the data including monitoring information and screenshot information recorded by the camera.
The invention also provides a system for remotely controlling the portable camera based on the Internet of things, which comprises: the system comprises a portable camera and a control terminal; the control terminal establishes a communication link with the portable camera, and sends a control instruction to the portable camera after mutual authentication is carried out between the control terminal and the portable camera; after receiving a remote control command through a network interface, the application software of the portable camera converts the command into a preset control command and sends the preset control command to the singlechip to control the portable camera to enter different working modes and safety modes; the working modes comprise a remote wake-up mode and a sleep mode, and the portable camera controls the working state of the camera module according to different working modes; the safety mode comprises an arming mode, an disarming mode and a self-destruction mode; according to different safety modes, the portable camera controls working states of the gyroscope, the Beidou positioning module and the data memory; the gyroscope and the Beidou positioning module are used for detecting whether the portable camera falls or is moved and sending alarm information to the control terminal; the portable video camera can also enter a self-destruction mode according to a command of the control terminal or the self-setting.
The beneficial effects are that:
(1): by means of a telecommunication mobile network, the remote control of the camera is not limited by the traditional wired network and the wireless WiFi network, remote monitoring control can be carried out in a field and remote environment, and the equipment can be carried.
(2): the camera provides a universal HTTP remote control access interface, the control end is not limited by development, and the limitations of Windows platform, android system, IOS system, linux and other systems can be supported.
(3): the camera is provided with a plurality of safety modes and working modes, can save electricity and ensure safety, is suitable for various complex environments, and cannot leak data even if being stolen.
(4): a 256GB memory card is arranged in a camera main board, video monitoring and storage are carried out in a cyclic coverage mode, a remote access page is provided for picture and video on a camera, and functions such as remote browsing, play control, screenshot and the like can be carried out; the storage of the video file does not need to be done by means of a server.
(5): the control terminal can carry out safety certification and detection on the camera, prevents data leakage after being attacked by malicious software, ensures the safety of the camera, can carry out certification on the control terminal at the same time, and protects the connection safety of the camera.
Drawings
FIG. 1 is a schematic diagram of the hardware components of a camcorder according to the present invention;
fig. 2 is a flow chart of a method for remotely controlling a portable camera based on the internet of things in the present invention.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The invention provides a portable video camera, referring to figure 1, comprising a camera, a circuit board, a power supply, a 4G module, an antenna and a structural member, wherein the main board mainly comprises a singlechip, a gyroscope, a boosting module and a trusted chip, the camera module adopts IPG-85HE20 PYAA-S of Male, and the main characteristics are as follows
1080P high-definition black light illuminance resolution, clear and fine images;
2D/3D noise reduction is supported, and a digital wide dynamic function is realized;
advanced H.265++/H.265+/H.265/H.264 video compression technology, ultra-low code rate and high definition image quality;
lightning protection accords with the national standard GB/T17626.5 and the international standard IEC61000-4-5;
the ONVIF protocol is supported, and a third party back end/platform can be accessed;
support cell phone monitoring (iOS, android);
supporting a Web terminal, CMS, central management platform software MYEYE, and providing SDK development;
the system supports various cloud technologies, realizes network penetration, front-end and back-end butt joint, and pushes alarm information to mobile phones and other functions.
The 4G module selects the SLM758 for Meger communication. The SLM758 series module adopts a high-pass cell 600 series MSM8953, the CPU adopts a 14nm FinFET process, a 64bit ARM, an 8 core Cortex A-53 and a main frequency 1.8Ghz/2.0Ghz/2.2Ghz processor are built in the CPU, the highest 4K 30fps and H.265 of the decoding/encoding are supported, the memory of the chip card is 16GB/32GB/64GB, and the module is suitable for a broadband intelligent wireless communication module of a plurality of network types of TD-LTE/FDD-LTE/WCDMA/EVDO/TD-SCDMA/CDMA/GSM. SLM758 employs the android7.1 operating system.
The chip model selected by the boosting module is SGM6607. The chip is a monolithic high voltage switching regulator integrating 1.1A and 40V power MOSFETs. It can be configured in several standard switching regulator topologies, including boost and SEPIC converters. The device has a wide input voltage range, supporting applications with input voltages from multiple batteries or regulated 5V, 12V power rails.
The model of the singlechip is STC15W204S. The singlechip is a main control chip with fewer pins, is manufactured based on an 8051 kernel, has a wider power supply range of 2.4V-5.5V and is provided with a 4k flash memory. The serial single chip microcomputer is provided with two common timers/counters (the two common timers/counters refer to T0 and T2); a special timer is awakened when power is lost; 5 external interrupts INT0/INT1/INT2/INT3/INT4 supporting power-down wakeup; 1 group of high-speed asynchronous serial communication ports; 1 comparator; 1 data pointer DPTR, etc.
The whole camera is charged by using 5v direct current, and the Li battery is charged by an IP5306 charging protection module. And the whole Li battery is used for supplying power, and the H3 core board is used as a communication core for controlling the information of each module. The modules are connected with communication and voltage.
The embodiment of the invention further provides a method for remotely controlling a portable camera based on the Internet of things, wherein the flow is shown in fig. 2 and comprises the following steps:
s101: the method comprises the steps that a control terminal establishes a communication link with a portable camera, and after mutual authentication is carried out between the control terminal and the portable camera, a control instruction is sent to the portable camera;
the remote control camera comprises a camera, a circuit board, a power supply, a 4G module, an antenna and a structural member, wherein a main board mainly comprises a singlechip, a gyroscope, a boosting module and a trusted chip;
the portable camera provided by the invention can be deployed in a field or remote environment or in a sensitive place needing to be monitored; when the camera is deployed at a preset position and started, the camera can be provided with a connection network, and is used for initializing a route and communicating with a control terminal through a network interface service, the data stored in the camera must be provided with a safety mechanism, and when the camera is connected with the control terminal, the state of software and hardware of the camera must be detected to determine that the camera works in a normal state without being illegally invaded or arranging a back door, so that the risk of data leakage or other potential safety hazards is caused.
Therefore, when the camcorder is connected to the control terminal, the control terminal performs mutual authentication with the camcorder. The control terminal authenticating the portable camera specifically comprises: the main board of the portable camera is provided with an IMEI chip, unique identity IDs are formed by combining and encoding identity information, the identity information comprises an IMEI number, an Android ID and a hardware ID, the portable camera sends the identity information to a background management service, and a background manager completes identity registration of the camera after confirming that the related identity information and the unique identity ID are correct; before the camera is used, after the unique identity ID is sent, the background management service detects that the camera is registered, and then the login and authentication of the preset identity are completed.
And meanwhile, the portable camera also performs identity verification on the control terminal, the portable camera provides a Web access interface for the control terminal, a Web interface is provided through an http service, and the control terminal can log in a management page of the portable camera specifically through a user name, a password and other conventional modes to complete the identity verification.
After mutual authentication is completed between the portable camera and the control terminal, the control terminal can send a control instruction to the portable camera.
S102: after receiving a remote control command through a network interface, the application software of the portable camera converts the command into a preset control command and sends the preset control command to the singlechip to control the portable camera to enter different working modes and safety modes; the working modes comprise a remote wake-up mode and a sleep mode, and the portable camera controls the working state of the camera module according to different working modes; the safety mode comprises an arming mode, an disarming mode and a self-destruction mode;
after receiving the remote control command through the 4G network, the application software in the portable video camera converts the command into a contracted control command, and after receiving the command, the singlechip executes corresponding operation. The communication protocol between the application software and the singlechip is as follows:
binary, fixed length (16 bytes), starting with "0x0132" and ending with "0x90 F6".
The basic format is shown in table 1 below:
TABLE 1
Figure SMS_1
Byte order: network byte order.
Version number: currently 0x01,1 byte.
CMD: command word, 1 byte, defined as shown in table 2 below:
TABLE 2
Figure SMS_2
Payoad: the payload, which occupies a total of 64 bytes from 5 to 68, uses only a portion, and the unused padding is "0x00", as shown in Table 3 below:
TABLE 3 Table 3
Figure SMS_3
Cheksum: checksum, 2 bytes, is defined as follows:
all 10 bytes including version number, CMD and PAYLOAD are added according to unsigned integer to obtain 2 bytes of result.
The camcorder has different operation modes and security modes; the working modes comprise a remote wake-up mode and a sleep mode, and the portable camera controls the working state of the camera module according to different working modes; specifically, in order to control the power consumption and standby time of the device when the portable camera is powered by the battery, the control terminal may transmit a control instruction to set the portable camera in a sleep mode, and when the portable camera is in the sleep mode, the camera module thereof is in a closed state; and when a remote wake-up instruction sent by the control terminal is received, the camera module enters a working state.
When the portable camera is in a working state, a 256GB memory card is arranged in a main board of the camera, a video monitoring storage background deployment camera is used for providing universal RTSP service in a cyclic coverage mode, other streaming media servers are not needed, each device operates independently, and a control terminal can perform functions of remote browsing, playing control, screenshot and the like through a remote access page provided for a picture video on the camera; the storage of the video file does not need to be done by means of a server.
Meanwhile, the portable camera is connected with the control terminal, and the portable camera sends heartbeat packets to the control terminal at regular time to determine the connection state between the portable camera and the control terminal. At this time, if someone triggers a button outside the portable camera, namely when the button outside the portable camera is pressed, the singlechip triggers a corresponding control command and notifies the control terminal through an HTTP protocol.
The safety mode comprises an arming mode, an disarming mode and a self-destruction mode; the portable camera is provided with a gyroscope and a Beidou positioning module, when the portable camera is set to be in a defense arrangement mode, the gyroscope and the Beidou positioning module are in a working state, and at the moment, if the portable camera accidentally drops, the gyroscope senses the change in the gravity direction, so that a notification is sent to the control terminal side; the control terminal firstly judges the sensing data of the gyroscope in the gravity direction, and determines that the data of the Beidou positioning module are not changed, so that the situation that the portable camera possibly drops accidentally can be primarily judged, and a worker can be assigned to go to the site for maintenance at the moment.
If the portable camera is maliciously removed and taken away by a person, at the moment, the gyroscope and the Beidou positioning module sense data change and send an alarm to the control terminal. At the moment, the control terminal side can be changed according to the position of the Beidou positioning module, and the fact that equipment is likely to be forcibly detached and stolen is determined. At the moment, the control terminal can browse the video and the screenshot captured by the camera in a preset time period before and after the moved position in real time, and transmit the video and the screenshot back to the local for certification;
the portable camera can preset a strategy when being forcibly detached and stolen, for example, the portable camera can enter a data self-destruction mode under the control of the control terminal at the moment, in order to prevent the data in the equipment from being leaked and utilized by lawbreakers, the portable camera can wait for an instruction of the control terminal, and when the instruction of the self-destruction data is received, all data in storage can be formatted, wherein all data comprise monitoring information and screenshot information recorded by the camera, and the data are prevented from being leaked.
Meanwhile, in order to prevent illegal molecules from removing and taking away the portable camera and simultaneously powering off the portable camera, the portable camera is taken away without waiting for the control terminal to send out a self-destruction instruction, and the portable camera can automatically enter a data self-destruction mode when the equipment judges that the equipment is forcibly removed and moves in position, and the data can be deleted and formatted without sending out an instruction by the control terminal.
Optionally, when the portable camera is stolen and data needs to be deleted, only the data such as an encryption key stored in the portable camera can be deleted, or all the data can be deleted completely, which is determined according to various factors such as whether the content of the shot data is important or not, and the unified setting can be performed before the portable camera is started to work.
In addition, the portable video camera also has a disarming mode, when the control terminal sets the portable video camera to the disarming mode, the portable video camera can be dismantled and moved without giving out alarming and self-destruction of data, and the portable video camera is suitable for a scene that a worker needs to maintain equipment and is used when dismantling.
The invention also provides a system for remotely controlling the portable camera based on the Internet of things, which is characterized by comprising the following steps: the system comprises a portable camera and a control terminal; the control terminal establishes a communication link with the portable camera, and sends a control instruction to the portable camera after mutual authentication is carried out between the control terminal and the portable camera; after receiving a remote control command through a network interface, the application software of the portable camera converts the command into a preset control command and sends the preset control command to the singlechip to control the portable camera to enter different working modes and safety modes; the working modes comprise a remote wake-up mode and a sleep mode, and the portable camera controls the working state of the camera module according to different working modes; the safety mode comprises an arming mode, an disarming mode and a self-destruction mode; according to different safety modes, the portable camera controls working states of the gyroscope, the Beidou positioning module and the data memory; the gyroscope and the Beidou positioning module are used for detecting whether the portable camera falls or is moved and sending alarm information to the control terminal, and the portable camera can enter a self-destruction mode according to a command of the control terminal or the self-arrangement.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It will be evident to those skilled in the art that the embodiments of the invention are not limited to the details of the foregoing illustrative embodiments, and that the embodiments of the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of embodiments being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. A plurality of units, modules or means recited in a system, means or terminal claim may also be implemented by means of software or hardware by means of one and the same unit, module or means. The terms first, second, etc. are used to denote a name, but not any particular order.
Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the embodiment of the present invention, and not for limiting, and although the embodiment of the present invention has been described in detail with reference to the above-mentioned preferred embodiments, it should be understood by those skilled in the art that modifications and equivalent substitutions can be made to the technical solution of the embodiment of the present invention without departing from the spirit and scope of the technical solution of the embodiment of the present invention.

Claims (9)

1. A method for remotely controlling a camcorder based on the internet of things, comprising: the method comprises the steps that a control terminal establishes a communication link with a portable camera, and after mutual authentication is carried out between the control terminal and the portable camera, a control instruction is sent to the portable camera; after receiving a remote control command through a network interface, the application software of the portable camera converts the command into a preset control command and sends the preset control command to the singlechip to control the portable camera to enter different working modes and safety modes; the working modes comprise a remote wake-up mode and a sleep mode, and the portable camera controls the working state of the camera module according to different working modes; the safety mode comprises an arming mode, an disarming mode and a self-destruction mode; according to different safety modes, the portable camera controls working states of the gyroscope, the Beidou positioning module and the data memory; the gyroscope and the Beidou positioning module are used for detecting whether the portable camera falls or is moved and sending alarm information to the control terminal; the portable video camera can also enter a self-destruction mode according to a command of the control terminal or the self-setting.
2. The method for remotely controlling a camcorder based on the internet of things according to claim 1, wherein: the portable camera is provided with a broadband intelligent wireless communication module for network communication, wherein the portable camera adopts an Android system, is provided with an HTTP service, and receives a control instruction of a control terminal in the form of an HTTP network request; the web page is also provided with an RTSP service, and the control terminal can play real-time video acquired by the camera or shot video stored in the storage device through the streaming media player.
3. The method for remotely controlling a camcorder based on the internet of things according to claim 1, wherein: after the control terminal establishes a communication link with the portable camera, in mutual authentication between the control terminal and the portable camera, the authentication of the portable camera by the control terminal specifically comprises: the main board of the portable camera is provided with an IMEI chip, unique identity IDs are formed by combining and encoding identity information, the identity information comprises an IMEI number, an Android ID and a hardware ID, the portable camera sends the identity information to a background management service, and a background manager completes identity registration of the camera after confirming that the related identity information and the unique identity ID are correct; before the camera is used, after the unique identity ID is sent, the background management service detects that the camera is registered, and then the login and authentication of the preset identity are completed.
4. The method for remotely controlling a camcorder based on the internet of things according to claim 1, wherein: when the portable camera is in a dormant mode, the camera module is in a closed state; and when a remote wake-up instruction sent by the control terminal is received, the camera module enters a working state.
5. The method for remotely controlling a camcorder based on the internet of things according to claim 1, wherein: the conversion of the command into a predetermined control command comprises that a communication protocol between the application software and the single chip microcomputer comprises a start character, a version number, a command word, a payload, a checksum and an end character field.
6. The method for remotely controlling a camcorder based on the internet of things according to claim 1, wherein: the portable camera can send heartbeat packets to the control terminal according to preset timing; and when the external key of the portable camera is pressed, the singlechip triggers a corresponding control command and notifies the control terminal through an HTTP protocol.
7. The method for remotely controlling a camcorder according to any one of claims 1 to 6, wherein: when the portable camera is in the defense setting mode, detecting whether the portable camera falls off or not through the gyroscope or detecting whether the portable camera is moved or not through the Beidou positioning module, and sending an alarm to the control terminal; the control terminal judges the state of the portable camera, and if the portable camera is judged to be accidentally dropped, the control terminal can inform a worker to go to the site for maintenance;
if the portable camera is judged to be moved under the condition of no permission, the control terminal can browse videos and screenshots of the camera in a preset time period before and after the camera is moved in real time and transmit the videos and screenshots back to the local for certification; or the control terminal can send a control instruction to enable the portable video camera to enter the self-destruction mode, or the portable video camera automatically enters the self-destruction mode.
8. The internet of things-based method of remotely controlling a camcorder of claim 7, wherein: when the portable camera is in the self-destruction mode, all data in the storage can be formatted, wherein all data comprise monitoring information and screenshot information recorded by the camera.
9. A system for remotely controlling a camcorder based on the internet of things, comprising: the system comprises a portable camera and a control terminal; the control terminal establishes a communication link with the portable camera, and sends a control instruction to the portable camera after mutual authentication is carried out between the control terminal and the portable camera; after receiving a remote control command through a network interface, the application software of the portable camera converts the command into a preset control command and sends the preset control command to the singlechip to control the portable camera to enter different working modes and safety modes; the working modes comprise a remote wake-up mode and a sleep mode, and the portable camera controls the working state of the camera module according to different working modes; the safety mode comprises an arming mode, an disarming mode and a self-destruction mode; according to different safety modes, the portable camera controls working states of the gyroscope, the Beidou positioning module and the data memory; the gyroscope and the Beidou positioning module are used for detecting whether the portable camera falls or is moved and sending alarm information to the control terminal; the portable video camera can also enter a self-destruction mode according to a command of the control terminal or the self-setting.
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CN110853271A (en) * 2019-08-07 2020-02-28 北京首贝科技发展有限公司 Unattended battlefield monitoring subsystem
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CN102891866A (en) * 2011-07-18 2013-01-23 中兴通讯股份有限公司 IoT (Internet of Things) equipment remote monitoring method, equipment and system
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CN204993616U (en) * 2015-10-14 2016-01-20 深圳市乐视视频技术有限公司 Surveillance camera machine and wireless camera system with long -range function of awakeing up
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