Intelligent adjusting method and system for outdoor engineering projector base

Abstract

The invention relates to the technical field of network communication and control, in particular to an intelligent adjusting method and system for an outdoor engineering projector base. The intelligent base system of the outdoor engineering projector monitors, controls and manages outdoor engineering projector equipment through the Internet network communication technology, and realizes remote real-time access of the projector by adopting the Internet network communication technology, the horizontal sensor technology, the deflection angle sensor technology, the Beidou positioning technology, the base position correction technology and the PLC control technology. Longitude and latitude, environmental climate parameters and position horizontal and offset states of the projector are obtained, and position correction of the intelligent base and shutdown of an air conditioner and electrical equipment of the projector are remotely controlled. Meanwhile, the laser distance measuring sensor is used for measuring the distance between the projector and the projection screen in real time, the high-definition camera is used for capturing a projection deformation image, the horizontal and deflection angles of the intelligent base are automatically adjusted through a self-developed algorithm, and the projection image is restored to the maximum extent.

Description

Technical Field

[0001] The invention relates to the technical field of network communication and control, and in particular to an intelligent adjustment method and system for an outdoor engineering projector base. Background Art

[0002] However, there are still some problems with the device. In actual use, with the continuous improvement of urban construction and the continuous heating up of the cultural tourism market, outdoor laser engineering projection projects have received more and more attention and popularity, and gradually become a popular local check-in attraction.

[0003] Outdoor laser projection display areas are usually not professional screens, but irregular building surfaces. The projector is far away from the projection area, and the terrain is very complex. The projector is installed far above the ground, making it difficult for ordinary people to access it, and the area left for the projector to be installed is very small.

[0004] In this case, the engineering projector installation and maintenance engineer needs to bring a work computer to the site to conduct real-time debugging with the projector to obtain the best installation parameters. After all parameters are completed, the projector will be fixed and installed.

[0005] During the subsequent operation of the projector, if the projector has been working for a long time, various uncertain factors may occur, such as horizontal deviation of the projector, changes in climate and environment, haze and dust, etc., which will seriously affect the quality of the projection image.

[0006] The installation location of outdoor engineering projectors is generally far away from the owner unit and the engineering operation and maintenance unit. If the engineering projector fails, the owner unit and the engineering operation and maintenance unit will send a maintenance team with special maintenance machinery and equipment to the site for maintenance.

[0007] To this end, we propose an intelligent adjustment method and system for an outdoor engineering projector base to solve the above problems. Summary of the invention

[0008] The object of the present invention is to provide an intelligent adjustment method and system for an outdoor engineering projector base to solve the problems raised in the above background technology.

[0009] To achieve the above objectives, the present invention provides the following technical solutions: The present invention integrates the above outdoor engineering projector installation characteristics, applies network communication technology, Internet of Things technology, and automatic control technology to design intelligent base systems and products, and provides installation and remote operation and maintenance management of outdoor engineering projectors.

[0010] Further preferably, the remote server can obtain the real-time latitude, longitude and altitude of the outdoor engineering projector, and mark the real-time locations of multiple engineering projectors on a map.

[0011] Further preferably, the remote server can obtain the real-time working status of the outdoor engineering projector, and if there is any abnormality in operation, it can be clearly identified on the map using obvious colors, shapes, sounds, etc.

[0012] Further preferably, the remote server can capture 360-degree live audio and video of the outdoor engineering projector.

[0013] Further preferably, the remote server can obtain the real-time ambient temperature, wind speed and direction, rain and snow and other parameters of the outdoor engineering projector.

[0014] Further preferably, the remote server can obtain the distance between the outdoor engineering projector and the projection area.

[0015] Further preferably, the remote server can obtain the real-time status of the horizontal and skew of the outdoor engineering projector, and can remotely control the correction of the horizontal skew, while providing a specific algorithm for automatic correction.

[0016] Further preferably, the remote server can obtain the deformation of the projection image of the outdoor engineering projector and can automatically correct it.

[0017] Further preferably, the remote server can obtain the status of air conditioning, ventilation, lighting, speakers and power switches around the outdoor engineering projector and can control them remotely.

[0018] Further preferably, the remote server can access the file management in the remote smart base.

[0019] Further preferably, the remote server can control the playback and control of the video files of the smart base.

[0020] Compared with the prior art, the beneficial effects of the present invention are: the purpose of the present invention is achieved in this way:

[0021] Design the smart base control box and its software system to take on the communication management, network communication, intelligent computing and remote server interaction tasks of the local smart base equipment.

[0022] Design 5G module and access to communication base station to achieve Internet access and communication.

[0023] Design a precise positioning module based on Beidou, and connect it to the intelligent base control box through the 485 serial port to obtain real-time data of latitude, longitude and elevation.

[0024] The intelligent base control box is designed to communicate with the PLC through the 485 serial port, query and control the PLC operation in real time, and thus control the power switch of the power equipment.

[0025] The intelligent base control box is designed to access external temperature sensors, wind force and direction sensors, and rain and snow sensors through the 485 serial port to obtain sensor data.

[0026] The intelligent base control box is designed to access the laser ranging sensor through the 485 serial port to obtain the ranging function.

[0027] The smart base control box is designed to connect to the high-definition camera through the USB interface to obtain audio and video data.

[0028] The intelligent base control box is designed to connect to the horizontal sensor and deflection sensor through the 485 serial port to obtain the horizontal and deflection data.

[0029] A base with controllable horizontal offset is designed, which is connected to the intelligent base control box through the 485 serial port to achieve the regulation of the horizontal offset of the base.

[0030] The intelligent base control box is designed to connect to the camera pan / tilt via the 485 serial port to realize the control of the pan / tilt.

[0031] Design controllable audio and video playback software, accept instructions to play the specified file at a fixed time and fixed frame. The playback software can perform real-time deformation processing on the video frame according to the image deformation model and play it.

[0032] Design file management software to accept server instructions to add, delete, modify and check local files in the smart control box.

[0033] A UDP-based communication protocol is designed to encapsulate control instructions between the remote server and the intelligent base control system, which is suitable for communication in the Internet network.

[0034] The main features of the above methods include:

[0035] The external devices / sensors of the smart base communicate and control through the 485 serial port protocol. The camera device is connected through the USB port and obtains video data. The 485 serial port communication follows the custom protocol specification.

[0036] The intelligent base control accesses the Internet through the 5G module to communicate with the remote server. The control system communicates with the remote server through a custom TCP / IP-based protocol. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 illustrate: Figure 1 It is a schematic diagram of the global functional structure of the present invention.

[0038] The main functional modules include: intelligent base control center, projector, PLC, power switch, lighting, air conditioning, wind speed and direction sensor, rain and snow sensor, temperature and humidity sensor, rotatable axis, liftable base 1, liftable base 2, liftable base 3, liftable base 4, controllable pan-tilt head, horizontal deflection sensor, laser ranging sensor, camera, Beidou positioning module, and retractable pan-tilt head bracket.

[0039] Figure 2 illustrate: Figure 2 The present invention is a schematic diagram of the base control function structure, which is an intelligent adjustment method for an outdoor engineering projector base and a description of the overall system architecture.

[0040] Intelligent base control center: access and process device signals, interact with remote servers, and coordinate the control and management of the base system.

[0041] Remote server: The smart base control center accesses the Internet through the 5G service provider base station and interacts with the remote server.

[0042] Controllable PTZ: The intelligent base control center controls the left and right, up and down rotation of the controllable PTZ through the RS485 interface.

[0043] Retractable PTZ bracket: The intelligent base control center controls and adjusts the height of the camera through the RS485 interface.

[0044] Liftable base 1-4: The intelligent base control center controls the height of the liftable base through the RS485 interface. A round table is connected on top. Other equipment can be placed on the table. The level and deflection of the table can be controlled by the different heights of the liftable base 1-4.

[0045] Rotatable shaft: connected to a circular chassis. The intelligent base control center controls the rotatable shaft through the RS485 interface, thereby controlling the rotation of the chassis. The liftable bases 1-4 are fixedly installed on the chassis.

[0046] Figure 3 illustrate: Figure 3 This is a functional structure diagram of the position sensor of the present invention, in which the Beidou positioning module intelligent base control center reads the real-time longitude, latitude and altitude through the RS485 interface.

[0047] Horizontal deflection sensor: The intelligent base control center reads the horizontal deflection sensor parameters through the RS485 interface.

[0048] Laser ranging sensor: The intelligent base control center reads the laser sensor parameters through the RS485 interface.

[0049] Figure 4 illustrate: Figure 4Schematic diagram of the video processing functional structure of the present invention.

[0050] Projector: The smart base control center outputs video stream to the projector through the HDMI / DVI / VGA interface.

[0051] Camera: The smart base control center grabs the video stream from the camera through the USB port.

[0052] Speaker: The smart base control center sends audio streams to the speaker device through the Bluetooth / HDMI / DVI / VGA interface.

[0053] Figure 5 illustrate: Figure 5 The present invention is a schematic diagram of the power supply control function structure of an electric device, which is a power supply control function structure of an electric device.

[0054] PLC: The intelligent base control center controls the PLC (programmable controller) interface through the RS485 interface, thereby controlling electrical appliances such as air conditioners, lighting and power switches.

[0055] PLC and intelligent base control center communicate via RS485 bidirectionally.

[0056] Figure 6 illustrate: Figure 6 It is a functional structure diagram of the environmental sensor of the present invention.

[0057] Environmental sensor function: The intelligent base control center reads the environmental sensor parameters through the RS485 interface.

[0058] Temperature and humidity sensor: The intelligent base control center reads the temperature and humidity sensor parameters through the RS485 interface.

[0059] Rain and snow sensor: The intelligent base control center reads the parameters of the rain and snow sensor through the RS485 interface. Wind force and direction sensor: The intelligent base control center reads the parameters of the wind force and direction sensor through the RS485 interface. DETAILED DESCRIPTION

[0060] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0061] Example

[0062] In this embodiment, specifically in the intelligent base control center, a configuration file is set to specify the IP address and port number of the remote server.

[0063] In this embodiment, the specific smart base control center accesses the Internet through 5G to communicate with the designated remote server.

[0064] In this embodiment, the specific online status monitoring is: the intelligent base control center periodically sends a data packet containing the ID number of the intelligent base control center to the remote server. The remote server receives the heartbeat data packet and parses the ID number to determine the online status of the intelligent base control center.

[0065] Protocol family Packet Type ID Number Device Type Timestamp Packet length Checksum

[0066] Among them, the protocol family: protocol legitimacy identification.

[0067] Packet type: Specifies the packet type and indirectly specifies the parsing algorithm for the packet.

[0068] ID number: The unique name of the smart base within the system.

[0069] Device Type: Classifies the type of smart dock.

[0070] Timestamp: the time when the data packet is sent.

[0071] Packet length: The length of this data packet (bytes).

[0072] Checksum: Validity verification code.

[0073] In this embodiment, specific latitude, longitude and elevation reporting: the intelligent base control center reads the Beidou positioning module through the 485 serial port to obtain real-time latitude, longitude and elevation data.

[0074] In this embodiment, the precision elevation data packet is specifically sent to the remote server.

[0075] Protocol family Packet Type ID Number Device Type Timestamp Packet length Checksum direction longitude latitude Elevation

[0076] Among them, the protocol family: protocol legitimacy identification.

[0077] Packet type: Specifies the packet type and indirectly specifies the parsing algorithm for the packet.

[0078] ID number: unique name of the smart base.

[0079] Device Type: Classifies the type of smart dock.

[0080] Timestamp: the time when the data packet is sent.

[0081] Packet length: The length of this data packet (bytes).

[0082] Checksum: validity verification code.

[0083] Direction: Two digits indicating East / West, South / North. 00: East / North, 01: East / South, 10: West / North, 11: West / South.

[0084] Longitude: aaa degrees bbb minutes ccc seconds format. All are 3 digits, with degrees between (0-179), minutes between (0-59), and seconds between (0-59).

[0085] Latitude: aaa degrees bbb minutes ccc seconds format. All are 3 digits, with degrees between (0-179), minutes between (0-59), and seconds between (0-59).

[0086] Elevation: The height of the base location (meters). Keep 2 decimal places and report in the form of height*100 (rounded to an integer).

[0087] For example: 118 degrees 27 minutes 43 seconds east longitude, 109 degrees 22 minutes 09 seconds south latitude, altitude 12.32 meters, marked as:

[0088]

[0089] In this embodiment, the specific reading of PLC parameters is as follows: the intelligent base control center communicates with the PLC through the 485 serial port, queries the PLC switch status in real time, and reads the PLC status bit protocol.

[0090] Protocol family Packet Type PLC Address Current Value Checksum

[0091] Among them, the protocol family: identifies the legitimacy of the protocol.

[0092] Data packet type: Indicates the data packet type. The system performs different operations based on the packet type. Type 0 indicates a request to read the current value. The fixed value of the data packet type when returned is 9.

[0093] PLC address: The PLC address of the predefined switch. The current value of the address is 1, indicating that the switch is in the closed state. The current value of the address is 0, indicating that the switch is in the open state.

[0094] Current value: The current switch status of the PLC address.

[0095] Checksum: Validity check.

[0096] For example, suppose the air conditioner switch is controlled by PLC address 99. The protocol for requesting to read the switch status from PLC is:

[0097] Protocol family 0 99 Any Checksum

[0098] The PLC returns the current value to the control center as a closed state;

[0099] Protocol family 9 99 1 Checksum

[0100] In this embodiment, the specific writing of PLC parameters: the intelligent base control center communicates with the PLC through the 485 serial port and writes the PLC switch status in real time. The PLC controls the power switch of the device according to the switch status. Read the PLC status bit protocol;

[0101] Protocol family Packet Type PLC Address Current Value Checksum

[0102] Among them, the protocol family: identifies the legitimacy of the protocol.

[0103] Data packet type: Indicates the data packet type. The system performs different operations based on the packet type. Type 1 means writing the current value. The data packet type when returned is 9.

[0104] PLC address: The PLC address of the predefined switch. The current value of the address is 1, indicating that the switch is in the closed state. The current value of the address is 0, indicating that the switch is in the open state.

[0105] Current value: The current switch status of the PLC address.

[0106] Checksum: validity check. For example, suppose the air conditioner switch is controlled by PLC address 99. The protocol for closing the air conditioner switch is:

[0107] Protocol family 1 99 1 Checksum

[0108] The PLC returns the current value to the control center:

[0109] Protocol family 9 99 1 Checksum

[0110] The protocol for disconnecting the air conditioner switch is:

[0111] Protocol family 1 99 0 Checksum

[0112] The PLC returns the current value to the control center:

[0113] Protocol family 9 99 0 Checksum

[0114] In this embodiment, the specific intelligent base control center reads the data of the temperature and humidity sensor, the wind force and direction sensor, and the rain and snow sensor through the RS485 bus.

[0115] Protocol family: identifies the validity of the protocol.

[0116] Data packet type: Indicates the data packet type. The system performs different operations based on the packet type. Type 0 indicates a request to read the current value. The data packet type returned is 9.

[0117] Address: pre-define the RS485 addresses of the temperature and humidity sensor, wind speed and direction sensor, and rain and snow sensor.

[0118] Current value: The current value of the sensor.

[0119] Checksum: Validity check.

[0120] In this embodiment, the chassis rotates specifically: the intelligent base control center sends a rotation command to the chassis rotation axis through the 485 serial port. The control protocol is composed of:

[0121] Protocol family Packet Type address direction Current Value Checksum

[0122] Protocol family: identifies the validity of the protocol.

[0123] Packet type: Indicates the packet type. The system performs different operations based on the packet type. Type 1 means writing the current value. The packet type when returned is 9.

[0124] Address: Predefine the chassis' RS485 address.

[0125] Current value: rotation angle, retain 2 decimal places, expressed in 4 digits. Reported in the form of angle*100 (rounded to an integer).

[0126] Direction: Rotation direction: 1 is counterclockwise, 0 is clockwise.

[0127] Checksum: Validity check.

[0128] Rotate 45.1 degrees counterclockwise.

[0129] Protocol family 1 address 1 4510 Checksum

[0130] Rotate 45.21 degrees clockwise.

[0131] Protocol family 1 address 0 4521 Checksum

[0132] In this embodiment, the distance between the base and the projection area is obtained specifically as follows: the intelligent base control center sends a rotation command to the chassis rotation axis through the 485 serial port, and the chassis rotates to a specified angle. A distance measurement command is sent to the laser distance measurement sensor, and the laser distance measurement sensor returns the distance measurement result.

[0133] Protocol family Packet Type address Current Value Checksum

[0134] Among them, the protocol family: identifies the legitimacy of the protocol.

[0135] Packet type: Indicates the packet type. The system performs different operations based on the packet type. Type 1 means writing the current value. The packet type when returned is 9.

[0136] Address: Predefine the chassis' RS485 address.

[0137] Current value: switch flag. 1 means turning on the measurement function, 0 means turning off the measurement function. When returning a data packet, save the current valid value. Keep 2 decimal places and report in the form of actual distance * 100 (rounded to an integer).

[0138] Checksum: Validity check.

[0139] Protocol family 1 address 1 Checksum

[0140] Start the distance measurement command: the distance measurement result is returned to 88.8 meters:

[0141] Protocol family 9 address 8880 Checksum

[0142] In this embodiment, specifically obtaining audio and video: the intelligent base control center system directly obtains audio and video data from the camera via USB.

[0143] In this embodiment, the specific acquisition of horizontal and deflection data is as follows: the intelligent base control center reads the current data of the horizontal sensor and the deflection sensor through the 485 serial port. The communication protocol is composed of:

[0144] Protocol family Packet Type address Current Value Checksum

[0145] Among them, the protocol family: identifies the legitimacy of the protocol.

[0146] Data packet type: Indicates the data packet type. The system performs different operations based on the packet type. Type 0 indicates a request to read the current value. The class data packet type when returned is 9.

[0147] Address: pre-define the RS485 address of the level sensor and the deflection sensor.

[0148] Current value: The current value of the sensor.

[0149] Checksum: Validity check.

[0150] In this embodiment, the specific control of the liftable base (1-4) is as follows: the intelligent base control center sends a lift command through the 485 serial port. The command protocol is composed of:

[0151] Protocol family Packet Type address direction Current Value Checksum

[0152] Among them, the protocol family: identifies the legitimacy of the protocol.

[0153] Packet Type: Indicates the packet type. The system performs different operations based on the packet type. Type 1 means setting the current value. The packet type when returned is 9.

[0154] Address: Pre-define the RS485 addresses of four liftable bases (1-4).

[0155] Direction: 0 for falling and 1 for rising.

[0156] Current value: number of rising and falling pulses.

[0157] Checksum: Validity check.

[0158] In this embodiment, the base is adjusted according to the current values ​​of the horizontal sensor and the deflection sensor: the intelligent base control center continuously reads the current values ​​of the horizontal sensor and the deflection sensor, and sends an ascending / descending instruction to the liftable base (1-4) through the 485 serial port, until the current values ​​of the horizontal sensor and the deflection sensor reach the expected values.

[0159] In this embodiment, the specific PTZ control is as follows: the intelligent base control center sends adjustment instructions to the controllable PTZ through the 485 serial port. The instruction protocol is composed of:

[0160] Among them, the protocol family: identifies the legitimacy of the protocol.

[0161] Packet Type: Indicates the packet type. The system performs different operations based on the packet type. Type 1 means setting the current value. The packet type when returned is 9.

[0162] Address: Pre-defined RS485 addresses of four liftable bases (1-4).

[0163] Direction: 0 indicates descending, 1 indicates ascending, 2 indicates left rotation, and 3 indicates right rotation.

[0164] Current value: The number of pulses adjusted.

[0165] Checksum: Validity check.

[0166] In this embodiment, the specific projection deformation parameters are obtained: the intelligent base control center plays a pre-stored standard picture and calls the camera to capture the actual projection effect. The intelligent base control center obtains the image deformation model parameters through a custom algorithm based on the standard picture and the actual projection effect to form a video filter model.

[0167] In this embodiment, the specific audio and video playback: In the intelligent base control center, a controllable audio and video playback software is designed to receive instructions to play the specified file at a fixed time and fixed frame. The playback software can apply a video filter model to filter the video frame before playing.

[0168] In this embodiment, the specific intelligent base control center designs file management software, which accepts server instructions to add, delete, modify and check local files of the intelligent control box.

[0169] In this embodiment, the specific intelligent base control center communicates with the server using a UDP-based communication protocol. The general protocol is:

[0170] Protocol family ID Number Packet length type Data kv number Data key Data value ... Checksum

[0171] Among them, the protocol family: identifies the legality of the protocol.

[0172] ID number: Unique identification code of the smart base.

[0173] Data packet length: total length of the data packet, including protocol family, ID number, and checksum fields.

[0174] Packet type: 0: data packet, 1: read operation, 2: write operation.

[0175] Data KV number: Data is submitted in key:value format, and the total number of all key:value data pairs in the data packet.

[0176] Data key: The unique identification code of the external device identified by the smart base control center.

[0177] Data value: current value. The data retains two decimal places and is *100 packaged as integer data. For example, 112.22 is packaged as 11222, and 112 is packaged as 11200.

[0178] Checksum: validity check.

[0179] The present invention is at work: when in use.

[0180] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent adjustment method and system for an outdoor engineering projector base (hereinafter referred to as an intelligent base), comprising: 5G communication module; Intelligent base communication and heartbeat keep-alive system; Intelligent base real-time latitude and longitude query system; Ambient temperature, wind speed and direction, rain and snow monitoring system; Intelligent base laser measurement system for projection screen distance; audio and video camera and PTZ control system; projection deformation picture capture and correction system; intelligent base horizontal deflection detection and correction control system; air conditioning, ventilation, lighting, speakers and power switch control system; remote management of intelligent base data files; audio and video playback system. Access to external temperature sensors, wind force and direction sensors, rain and snow sensors; access to laser distance measurement sensors; access to high-definition cameras; access to horizontal sensors, deflection sensors, and base fine-tuning control modules; access to camera PTZ control lines; access to programmable controllers PLCs to control air conditioning, ventilation, lighting, audio and power switches, all of which are connected to the 485 serial port in the intelligent base control box through a 485 serial port line. The relevant software system is installed in the control center of the smart base.

2. The smart base 5G communication module and the smart base communication and heartbeat keep-alive system described in claim (1) are connected to the Internet network through the base station of the 5G communication service provider to ensure that the smart base can communicate with the remote server. Through Internet network communication, a real-time status data packet including the smart base identification code is periodically submitted to the remote server. The remote server determines the online status of the smart base through the received data packet and can communicate with the smart base.

3. The intelligent base real-time longitude and latitude query system described in claim (1) can query the longitude and latitude and elevation of the intelligent base in real time via Internet network communication.

4. The projection screen distance laser measurement system described in claim (1) can communicate via the Internet, and the remote server can query the distance between the smart base and the projection screen in real time.

5. The audio and video camera and PTZ control system described in claim (1) can, through Internet network communication, allow the remote server to set the camera to automatically capture the audio and video of the 360-degree environment of the smart base at a fixed time, and upload the audio and video files to the designated server through Internet network communication. The smart base retains a backup of the audio and video files for at least one month. When the camera is in an abnormal working state, the smart base automatically reports the abnormal information to the remote server through Internet network communication.

6. The air conditioning, ventilation, lighting, speaker and power switch control system described in claim (1) can communicate via the Internet, and the remote server can query the status of the air conditioning, ventilation, lighting and power switch in real time. The remote server can control the status of the air conditioning, ventilation, lighting and power switch in real time.

7. Remote management of the smart base data files described in claim (1), through Internet network communication, the remote server can upload, delete, update and browse the files in the smart base.

8. The projection deformation image capture and correction system described in claim (1) communicates through the Internet network. The remote server controls the camera to capture the angle and capture the photo, uploads it to the designated server to call the image correction algorithm, and transmits the image correction parameter model to the intelligent base.

9. The intelligent base horizontal deflection detection and correction control system described in claim (1) can query the working status of the horizontal deflection sensor through Internet network communication. Report abnormal information to the designated server. The remote server can obtain the real-time horizontal deflection state parameters of the intelligent base. The remote server can control the horizontal deflection correction of the intelligent base. The remote server can control the rotation of the intelligent base.

10. The audio and video playback system described in claim (1) can control the intelligent base to play, pause, and resume the start frame of the specified audio and video file through Internet network communication, and can remotely turn on / off the sound or video channel respectively.

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