阅读说明：本技术 一种基于arm的多媒体设备自动化系统及控制方法 (Multimedia equipment automation system based on ARM and control method ) 是由 李韶杰 袁亮 于 2020-05-19 设计创作，主要内容包括：一种基于ARM的多媒体设备自动化系统及控制方法,包括ARM芯片,所述ARM芯片的输出端连接左电动机的输入端,所述ARM芯片的输出端连接右电动机的输入端,所述的ARM芯片与液晶显示屏相连,ARM芯片与WiFi模块通过串行口双向通讯,ARM芯片的输出端连接指示灯、继电器和蜂鸣器,ARM芯片的输入端连接温度传感器的输出端。本发明有效的解决使用后忘记关闭设备的问题。(The ARM-based multimedia equipment automation system comprises an ARM chip, wherein the output end of the ARM chip is connected with the input end of a left motor, the output end of the ARM chip is connected with the input end of a right motor, the ARM chip is connected with a liquid crystal display screen, the ARM chip and a WiFi module are in two-way communication through a serial port, the output end of the ARM chip is connected with an indicator lamp, a relay and a buzzer, and the input end of the ARM chip is connected with the output end of a temperature sensor. The invention effectively solves the problem that the equipment is forgotten to be closed after use.)

1. The utility model provides a multimedia equipment automation system based on ARM, its characterized in that, includes ARM chip (1), the input of left motor (2) is connected to the output of ARM chip (1), the input of right motor (3) is connected to the output of ARM chip (1), ARM chip (1) link to each other with liquid crystal display (4), ARM chip (1) and wiFi module (5) are through serial port both way communication, pilot lamp (7), relay (8) and bee calling organ (11) are connected to the output of ARM chip (1), the output of temperature sensor (9) is connected to the input of ARM chip (1).

2. The ARM-based multimedia device automation system as claimed in claim 1, wherein the ARM chip (1) is connected to a 3.3V rechargeable battery (10).

3. The ARM-based multimedia device automation system as claimed in claim 1, wherein the left motor (2) and the right motor (3) are respectively disposed at two sides of a multimedia cabinet door, a lead screw (6) is connected to the left motor (2) and the right motor (3), the lead screw (6) is used for controlling opening and closing of the cabinet door, and the left motor (2) and the right motor (3) transmit signals with the ARM chip (1) through the WiFi module (5).

4. The ARM-based multimedia device automation system as claimed in claim 1, wherein the relay (8) is used to control 220V power supply, and the 3.3V rechargeable battery (10) is used to power the low voltage DC electrical components such as the ARM chip (1), the relay (8), the WiFi module (5) when the device is powered off.

5. The ARM-based multimedia device automation system as claimed in claim 1, wherein the temperature sensor (9) detects real-time temperature in the device, and immediately turns off 220V power supply through the relay 8 to cut off the source of fire when the temperature in the device is too high.

6. The ARM-based automation system for multimedia devices of claim 1, wherein the electrical components are electrically connected, and the USB ports are led out of the device;

the liquid crystal display screen (4) is used for displaying starting information of the device, and the buzzer (11) and the indicator light (7) are used for reminding an operator of paying attention to the device and preventing misoperation.

7. The method of claim 1, comprising the steps of:

when the main control room sends a starting signal to the device through the WiFi module (5), the ARM chip (1) processes the signal, starting information of the device is displayed on the liquid crystal display (4), the left motor (2) and the right motor (3) are started to open a cabinet door of the device, computer equipment in the device is started, a convenient use environment is provided for a user, when the user uses the device, the computer is closed, the device displays a character of 'remembering to take away a carry-on article' on the liquid crystal display (4), and a buzzer (11) is started for reminding;

when total control room closing device, bee calling organ (11) sound, pilot lamp (7) flicker, prevent personnel's accidental injury, device cabinet door folds the department and installs the button, presses down and gives ARM chip (1) feedback information when the button, sends total control room through wiFi module (5), if total control room closes the information of cabinet door for the device, when not receiving feedback information for a long time, total control room shows the warning.

Technical Field

The invention relates to the technical field of multimedia equipment, in particular to an ARM-based multimedia equipment automation system and a control method.

Background

At present, there are many places related to multimedia use, such as school classrooms, conference halls, large event centers, and the like.

Taking school classrooms as an example, the existing multimedia equipment in the classrooms is relatively crude, lacks intelligent control, needs manual operation more than necessary when being used, and the master control room can not well control the situation of each classroom, can not communicate and coordinate with users conveniently, and is inconvenient to use.

The user has the condition of just walking after using up, does not have comparatively intelligent management system to lead to the multimedia equipment unmanned on duty, the supervision accident appears. The user can easily forget to take the articles away after the use is finished, so that the multimedia device is locked.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide an ARM-based multimedia equipment automation system and a control method, which are used for intelligently controlling multimedia in each classroom and have the characteristics of convenience and real-time control.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a multimedia device automation system based on ARM, includes ARM chip 1, the input of left motor 2 is connected to ARM chip 1's output, right motor 3's input is connected to ARM chip 1's output, ARM chip 1 link to each other with liquid crystal display 4, ARM chip 1 passes through serial port both way communication with wiFi module 5, and pilot lamp 7, relay 8 and bee calling organ 11 are connected to ARM chip 1's output, and temperature sensor 9's output is connected to ARM chip 1's input.

The ARM chip 1 is connected with a 3.3V rechargeable battery 10.

Left motor 2 and right motor 3 set up respectively in the both sides of multimedia cabinet door, be connected with lead screw 6 on left motor 2 and the right motor 3, lead screw 6 is used for opening and shutting of control cabinet door, left motor 2 and right motor 3 pass through the signal between 5 transmissions of wiFi module and ARM chip 1.

The relay 8 is used for controlling a 220V power supply, and the 3.3V rechargeable battery 10 is used for supplying power to low-voltage direct-current electric elements such as the ARM chip 1, the relay 8 and the WiFi module 5 when the device is powered off.

The temperature sensor 9 detects the real-time temperature in the device, and when the temperature in the device is overhigh, the 220V power supply is immediately closed through the relay 8, so that the source of the fire is cut off.

The electric elements are electrically connected, and the used USB ports are led out of the device, so that the situation that required articles cannot be taken out after the door of the device is closed is avoided.

The liquid crystal display screen 4 is used for displaying device starting information, and the buzzer 11 and the indicator light 7 are used for reminding an operator of paying attention to the liquid crystal display screen and preventing misoperation.

Further, the liquid crystal display 4 adopts a 9.8-inch RGB color touch liquid crystal display.

Further, the WiFi module 5 adopts WM 6201.

Further, the indicator light 7 is a red LED light with low power consumption.

Further, the relay 8 employs HH52P 11.

Further, the temperature sensor 9 adopts high-precision low-power-consumption DS18B 20.

Further, the buzzer 11 adopts HRB-N80.

A control method of an ARM-based multimedia equipment automation system comprises the following steps:

when the master control room sends an opening signal to the device through the WiFi module 5, the ARM chip 1 processes the signal, device starting information is displayed on the liquid crystal display 4, the left motor 2 and the right motor 3 are started to open a device cabinet door, computer equipment in the device is started, a convenient use environment is provided for a user, when the user uses up the device, after the computer is closed, the device displays a word of 'remembering to take away a carry-on article' on the liquid crystal display 4, and the buzzer 11 is started for reminding;

when total control room closing device, bee calling organ 11 sounds, and pilot lamp 7 twinkles, prevents personnel's accidental injury, the device cabinet door folds the department and installs the button, presses down and gives ARM chip 1 feedback information when the button, sends total control room through wiFi module 5, if total control room closes the information of cabinet door for the device, when not receiving feedback information for a long time, total control room shows the warning.

The invention has the beneficial effects that:

the invention has the advantages that after the multimedia equipment is used, a user does not need to worry about forgetting to close the lock cabinet door and is managed by the master control room in a unified way. When the user is using, the situation of equipment is shown in liquid crystal display, and convenience is brought to the user to know the equipment condition. When the equipment detects that the computer in the multimedia is shut down, whether the peripheral equipment used by a user is pulled out, such as a U disk and the like, is detected, and if the peripheral equipment is not pulled out, the system informs the user through a liquid crystal display screen and a buzzer. When the equipment is in an accident, for example, the equipment is in fire due to short circuit, the temperature sensor detects the abnormality, the relay is controlled to cut off the power supply, and the WiFi module informs the master control room that the equipment is abnormal. The WiFi module master control room is communicated with the equipment, and the human resource consumption is reduced through remote control.

Drawings

Fig. 1 is a top view of the structure of the screw 6 of the present invention.

Fig. 2 is a rear view of the structure of the screw 6 of the present invention.

FIG. 3 is a top view of the structure of the present invention.

FIG. 4 is a block diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, fig. 2, fig. 3: the invention provides an ARM-based multimedia equipment automation system, which comprises multimedia equipment and a master control room, wherein one set of system only needs one master control room and a plurality of multimedia equipment.

The multimedia equipment comprises an ARM chip 1, a left motor 2, a right motor 3, a liquid crystal display screen 4, a WiFi module 5, a lead screw 6, an indicator light 7, a relay 8, a temperature sensor 9, a 3.3V rechargeable battery 10 and a buzzer 11.

The electrical elements are all electrically connected.

The input of left motor 2 is connected to ARM chip 1's output, right motor 3's input is connected to ARM chip 1's output, liquid crystal display 4 passes through SPI agreement and ARM chip 1 communication, wiFi module 5 passes through serial port both way communication with ARM chip 1, the input of pilot lamp 7 is connected with ARM chip 1's output, relay 8's input is connected with ARM chip 1's output, ARM chip 1's power is connected and relay 8 power is connected to 3.3V rechargeable battery 10's output, temperature sensor 9's output is connected with ARM chip 1's input, bee calling organ 11's input is connected with ARM chip 1's output.

The left motor 2 and the right motor 3 are driven by a lead screw 6 to control the opening and closing of the cabinet door. The master control room starts one or more multimedia devices when needed, and controls the devices through the WiFi module 5 so as to control the opening and closing of the cabinet door.

The relay 8 controls a 220V power supply, and the 3.3V rechargeable battery 10 is used for supplying power to low-voltage direct-current electric elements such as the ARM chip 1, the relay 8 and the WiFi module 5 when the device is powered off. The real-time temperature in the temperature detection module detection device, when the temperature in the device is too high, the 220V power supply is immediately closed through the relay 8, and the source of the fire is cut off.

As shown in fig. 4: when the master control room sends a starting signal to the device through the WiFi module 5, the ARM chip 1 processes the signal, the starting information of the device is displayed on the liquid crystal display screen 4, the left motor 2 and the right motor 3 are started, the cabinet door of the device is opened, and computer equipment in the device is started. Providing a convenient use environment for users. The used USB ports are led out of the device, so that the situation that needed articles cannot be taken out after the door of the device is closed is avoided. When the user uses the device and turns off the computer, the device displays the character of remembering to take the personal belongings on the liquid crystal display screen 4 and starts the buzzer 11 for reminding.

When the equipment is closed in the master control room, the buzzer 11 sounds, the indicator light 7 flickers, and personnel are prevented from being accidentally injured. The device cabinet door folds the department and installs the button, presses down when the button and gives ARM chip 1 feedback information, sends to total control room through wiFi module 5, if total control room closes the information of cabinet door for the device, does not receive feedback information for a long time, and total control room shows the warning.