Equipment interconnection control system and interaction panel
By using audio lines to transmit control signals between devices, the complex control problem of equipment lacks interactive interface is solved, and the effect of simplifying operations and reducing costs is achieved.
Patent Information
- Application Number
- CN202421686401.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-16
AI Technical Summary
When existing devices lack interactive interfaces such as touch screens, the control process is complex and cumbersome, and additional cables are required or the use of a mouse or remote control is required, resulting in inefficiency.
By using an audio cable between the main control device and the controlled device, the control signal is transmitted to realize the control of the controlled device by the main control device, without the need to add additional cables or use a mouse or remote control.
Simplifies control operations, reduces costs, and improves the efficiency of control equipment.
Smart Images
Figure CN222981661U_ABST
Abstract
Description
Technical Field
[0001] Embodiments of the present application relate to the technical field of device control, and in particular, to a device interconnection control system and an interactive flat panel. Background Art
[0002] With the development of technology, the number of interconnected devices is increasing day by day. These devices are interconnected through audio cables and display signal cables such as HDMI to achieve information sharing and communication.
[0003] However, when some devices lack an interactive interface such as a touch screen, the control process becomes complex and cumbersome. Usually, control operations need to be performed through a monitor, a mouse, or a remote control.
[0004] When using a monitor for control operations, additional cables are required for the transmission of control signals. When using a mouse or a remote control for operations, it is necessary to find the remote control or the mouse, which takes a long time and has low efficiency. Utility Model Content
[0005] To overcome the problems existing in the related art, the present application provides a device interconnection control system and an interactive flat panel, which can simplify control operations and reduce costs.
[0006] According to a first aspect of the embodiments of the present application, a device interconnection control system is provided, including a main control device and at least one controlled device. The main control device includes a control module and a first audio module, and the controlled device includes a second audio module and a controlled module;
[0007] The control module is connected to the first audio module, the first audio module is connected to the second audio module through an audio cable, and the second audio module is connected to the controlled module;
[0008] The control module is configured to send a control signal to the first audio module, the first audio module sends the control signal to the second audio module through the audio cable, and the second audio module sends the control signal to the controlled module.
[0009] According to a second aspect of the embodiments of the present application, an interactive flat panel is provided. The interactive flat panel is used to control a recording and broadcasting host. The interactive flat panel includes a control module and a first audio module, and the recording and broadcasting host includes a second audio module and a controlled module;
[0010] The control module is connected to the first audio module, the first audio module is connected to the second audio module through an audio cable, and the second audio module is connected to the controlled module;
[0011] The control module is configured to send a control signal to the first audio module, and the first audio module sends the control signal to the second audio module through the audio cable, so that the second audio module sends the control signal to the controlled module.
[0012] In the embodiment of the present application, the control signal output by the master device is transmitted to the controlled device through the audio cable between the master device and the controlled device, so as to realize the master device controlling the controlled device, without the need to additionally increase wires or use a mouse or a remote control, which simplifies the control operation and reduces the cost.
[0013] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application.
[0014] For better understanding and implementation, the present utility model will be described in detail below with reference to the accompanying drawings. Description of the Drawings
[0015] Figure 1 It is a schematic structural diagram of a device interconnection control system shown in an embodiment of the present application;
[0016] Figure 2 It is a schematic structural diagram of a device interconnection control system shown in another embodiment of the present application;
[0017] Figure 3 It is a schematic structural diagram of a device interconnection control system shown in yet another embodiment of the present application;
[0018] Figure 4 It is a schematic structural diagram of an interactive flat panel and a recording and broadcasting host shown in an embodiment of the present application. Detailed Embodiments
[0019] To make the purpose, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.
[0020] It should be clear that the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts shall fall within the scope of protection of the present application.
[0021] When the following description involves the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.
[0022] In the description of the present application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects, and do not necessarily describe a specific order or sequence, nor can they be construed as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances. In the present application and the appended claims, the singular forms "a", "the", and "said" are also intended to include the plural forms, unless the context clearly indicates otherwise. The word "if" used herein can be interpreted as "when", "while", or "in response to a determination". In addition, in the description of the present application, unless otherwise specified, "a plurality of" means two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally represents an "or" relationship between the associated objects before and after.
[0023] Please refer to Figure 1 , which is a schematic structural diagram of the device interconnection control system shown in the embodiments of the present application. The embodiments of the present application provide a device interconnection control system, including a main control device 1 and at least one controlled device 2. The main control device 1 includes a control module 11 and a first audio module 12, and the controlled device 2 includes a second audio module 21 and a controlled module 22;
[0024] The control module 11 is connected to the first audio module 12, the first audio module 12 is connected to the second audio module 21 through an audio cable, and the second audio module 21 is connected to the controlled module 22;
[0025] The control module 11 is used to send a control signal to the first audio module 12, the first audio module 12 sends the control signal to the second audio module 21 through the audio cable, and the second audio module 21 sends the control signal to the controlled module 22.
[0026] Among them, the main control device 1 includes but is not limited to an interactive flat panel, a computer, and a tablet computer. The controlled device 2 includes but is not limited to a recording and broadcasting host, a television, a camera, and a speaker.
[0027] Among them, the control module 11 can be a microcontroller unit (MCU), a logic control circuit, or a control chip.
[0028] Among them, the first audio module 12 includes but is not limited to a digital audio output interface and an analog audio output interface. The digital audio output interface is used to output a digital audio signal, and the analog audio output interface is used to output an analog audio signal.
[0029] Among them, the second audio module 21 includes but is not limited to a digital audio input interface and an analog audio input interface. The digital audio input interface is used to receive digital audio signals, and the analog audio input interface is used to receive analog audio signals.
[0030] Among them, the controlled module 22 can be a microcontroller unit (MCU), a logic control circuit, or a control chip.
[0031] Among them, an audio cable is connected between the master device 1 and each controlled device 2. The audio cable can be a 3.5 mm audio cable.
[0032] In some scenarios, the master device 1 transmits an audio signal to the controlled device 2 through the audio cable for the controlled device 2 to play the audio signal. Specifically, the master device 1 can transmit audio files in various formats to the controlled device 2, and the controlled device 2 receives and plays the audio files.
[0033] In some scenarios, a speaker is provided on the master device 1, and a pickup is provided on the controlled device 2. The sound played by the speaker is collected by the pickup, which may cause interference to the controlled device 2. For this reason, the master device 1 transmits the audio signal corresponding to the sound played by the speaker to the controlled device 2 through the audio cable, and the controlled device 2 uses this audio signal as a reference signal to eliminate the sound of the speaker collected by the pickup.
[0034] Among them, the control signal can be an encoded signal that satisfies the infrared protocol, and the code value of the encoded signal is the same as the code value of the infrared remote control. The signal frequency of the control signal is higher than the preset frequency threshold. Among them, an infrared remote control is used to control the controlled device 2. Different buttons are provided on the infrared remote control. Each time a button is pressed, the infrared remote control will emit a different encoded signal. The code value of the infrared remote control is the encoding of the infrared signal emitted by the infrared remote control key position. The preset frequency threshold can be the audible frequency range of the human ear.
[0035] In the embodiment of the present application, the control module 11 can generate a control signal according to a custom encoding rule, and transmit the control signal to the controlled module 22 through the first audio module 12 and the second audio module 21. The controlled module 22 decodes the control signal according to the corresponding decoding rule and executes the control operation corresponding to the control signal.
[0036] In an alternative embodiment, the control module 11 can emit a digital audio signal and a control signal, which are transmitted to the controlled module 22 through the first audio module 12 and the second audio module 21. The controlled module 22 decodes the control signal, executes the control operation corresponding to the control signal, and plays the digital audio signal.
[0037] In the embodiment of the present application, the control signal output by the master device 1 is transmitted to the slave device 2 through the audio cable between the master device 1 and the slave device 2, so as to realize the master device 1 controlling the slave device 2, without the need to additionally increase wires or use a mouse or a remote control, which simplifies the control operation and reduces the cost.
[0038] In an optional embodiment, there are multiple slave devices 2 connected to the master device 1, and each slave device 2 and the master device 1 are connected by an audio cable. The control module 11 can send multiple different control signals to the first audio module 12, and the first audio module 12 sends each control signal to the controlled module 22 of the corresponding slave device 2 through the corresponding audio cable, so as to realize the master device 1 controlling multiple slave devices 2. Among them, the multiple different control signals can have different code values during coding or different signal frequencies.
[0039] In an embodiment, please refer to Figure 2 , the control signal includes a digital control signal, the first audio module 12 includes a digital audio output interface 121, and the second audio module 21 includes a digital audio input interface 211;
[0040] The control module 11 is used to send the digital control signal to the digital audio output interface 121, and the digital audio output interface 121 is used to send the digital control signal to the digital audio input interface 211 through the audio cable.
[0041] Among them, the signal frequency of the digital control signal is greater than the signal frequency of the digital audio signal. The signal frequency of the digital audio signal is the audible frequency range of the human ear, and the audible frequency range of the human ear is 20 - 20 kHz. For example, the frequency corresponding to the digital control signal is 38 kHz.
[0042] In the embodiment of the present application, the control module 11 can generate a digital control signal according to a custom coding rule, transmit the digital control signal to the controlled module 22 through the first audio module 12 and the second audio module 21, and the controlled module 22 decodes the digital control signal according to the corresponding decoding rule and executes the corresponding control operation of the digital control signal.
[0043] In an optional embodiment, the control module 11 can generate a digital control signal according to a custom coding rule, transmit the digital audio signal and the digital control signal to the controlled module 22 through the first audio module 12 and the second audio module 21, the controlled module 22 extracts the digital control signal, decodes the digital control signal according to the corresponding decoding rule, executes the corresponding control operation of the digital control signal, and plays the digital audio signal. Among them, the signal frequency of the digital audio signal is less than the signal frequency of the digital control signal.
[0044] The digital control signal output by the master device 1 is transmitted to the slave device 2 through the audio cable between the master device 1 and the slave device 2, enabling the master device 1 to control the slave device 2 without the need to add extra cables or use a mouse or remote control, simplifying the control operation and reducing costs.
[0045] In one embodiment, refer to Figure 3 , the first audio module 12 includes a first signal conversion module 122 and an analog audio output interface 123; the second audio module 21 includes an analog audio input interface 212, a filtering module 213, and a second signal conversion module 214;
[0046] The control module 11 is sequentially connected to the first signal conversion module 122 and the analog audio output interface 123. The analog audio output interface 123 is connected to the analog audio input interface 212 through an audio cable. The analog audio input interface 212 is sequentially connected to the filtering module 213, the second signal conversion module 214, and the controlled module 22.
[0047] The control module 11 is used to send a control signal to the first signal conversion module 122. The first signal conversion module 122 is used to convert the control signal into an analog audio signal and send the analog audio signal to the analog audio output interface 123. The analog audio output interface 123 is used to send the analog audio signal to the analog audio input interface 212 through an audio cable. The analog audio input interface 212 is used to send the analog audio signal to the filtering module 213. The filtering module 213 is used to filter the analog audio signal and send the filtered analog audio signal to the second signal conversion module 214. The second signal conversion module 214 is used to convert the filtered analog audio signal into a control signal and send the control signal to the controlled module 22.
[0048] Among them, the first signal conversion module 122 can be a signal conversion chip or a logic circuit.
[0049] Among them, the filtering module 213 can be a filter.
[0050] Among them, the second signal conversion module 214 can be a signal conversion chip or a logic circuit.
[0051] Among them, the signal frequency of the analog audio signal is greater than the audible frequency range of the human ear, and the audible frequency range of the human ear is 20 - 20 kHz. For example, the signal frequency of the analog audio signal is 38 kHz.
[0052] In the embodiment of the present application, the control module 11 can issue a digital control signal, which is converted into an analog audio signal by the first signal conversion module 122, and is transmitted to the filtering module 213 through the analog audio output interface 123 and the analog audio input interface 212. The filtering module 213 filters the analog audio signal, and sends the filtered analog audio signal to the second signal conversion module 214 for signal conversion to obtain a digital control signal, and transmits the digital control signal to the controlled module 22. The controlled module 22 obtains the digital control signal, decodes the digital control signal, and executes the corresponding control operation of the digital control signal.
[0053] In an alternative embodiment, the control module 11 can issue a digital audio signal and a digital control signal. The digital audio signal is converted into a first analog audio signal by the first signal conversion module 122, and the digital control signal is converted into a second analog audio signal by the first signal conversion module 122. The signals are transmitted to the filtering module 213 through the analog audio output interface 123 and the analog audio input interface 212. The filtering module 213 filters out the first analog audio signal and retains the second analog audio signal, and sends the second analog audio signal to the second signal conversion module 214 for signal conversion to obtain a digital control signal, and sends the digital control signal to the controlled module 22. The controlled module 22 decodes the digital control signal and executes the corresponding control operation of the digital control signal.
[0054] Through the cooperation of the control module 11, the first signal conversion module 122, the analog audio output interface 123, the audio cable, the analog audio input interface 212, the filtering module 213, the second signal conversion module 214, and the controlled module 22, the master device 1 controls the controlled device 2 without the need to additionally increase wires or use a mouse or a remote control, simplifies the control operation, and reduces the cost.
[0055] In one embodiment, the filtering module 213 includes a high-pass filter, and the high-pass filter is used to filter out the low-frequency signals in the analog audio signal.
[0056] In the embodiment of the present application, when the analog audio signal corresponding to the control signal and the analog audio signal corresponding to the digital audio signal are simultaneously transmitted through the audio cable between the master device 1 and the controlled device 2, since the signal frequency of the analog audio signal corresponding to the control signal is higher than that of the analog audio signal corresponding to the digital audio signal, the analog audio signal corresponding to the digital audio signal is filtered out by the high-pass filter, and the analog audio signal corresponding to the control signal is transmitted to the second signal conversion module 214 to realize the control of the controlled device 2 by the master device 1.
[0057] In one embodiment, the second signal conversion module 214 includes a comparator, and the comparator is used to convert the filtered analog audio signal into a control signal.
[0058] In the embodiment of the present application, the filtered analog audio signal is a sine wave signal. Through a comparator, the filtered analog audio signal is converted into a square wave signal (control signal), and the controlled module 22 decodes the square wave signal and executes the control operation corresponding to the square wave signal. Through the comparator, the analog audio signal can be automatically and quickly converted into a control signal.
[0059] In one embodiment, the main control device 1 includes a display module and a first video module, and the controlled device 2 includes a second video module;
[0060] The display module is connected to the first video module, and the first video module is connected to the second video module through a video cable;
[0061] The second video module is used to transmit the video signal to the display module through the first video module through the video cable to display the control interface of the controlled device 2 on the display module; the control module 11 is used to receive the control instruction input by the user on the control interface to obtain a control signal.
[0062] Among them, the display module includes but is not limited to a display and a display screen.
[0063] Among them, the first video module includes but is not limited to a first video input interface and a first video output interface. The second video module includes but is not limited to a second video input interface and a second video output interface. The first video input interface is connected to the second video output interface through a video cable, and the first video output interface is connected to the second video input interface through a video cable.
[0064] Among them, the video cable includes but is not limited to an HDMI signal cable, a USB signal cable, and a DP signal cable.
[0065] In the embodiment of the present application, the controlled device 2 has an operating system built in. Through the video cable, the controlled device 2 sends the control interface data corresponding to the operating system to the main control device 1, and the display module of the main control device 1 displays the control interface of the controlled device 2. The user can input a control instruction on the control interface, and the control module 11 outputs a control signal in response to the control instruction input by the user.
[0066] Through the joint cooperation of the display module, the first video module, the video cable, and the second video module, the control interface can be displayed on the display module, facilitating the user to perform control operations.
[0067] In one embodiment, please refer to Figure 4 , the present application further provides an interactive flat panel 100. The interactive flat panel 100 is used to control a recording and broadcasting host 200. The interactive flat panel 100 includes a control module and a first audio module, and the recording and broadcasting host 200 includes a second audio module and a controlled module;
[0068] The control module is connected to the first audio module. The first audio module is connected to the second audio module through an audio cable. The second audio module is connected to the controlled module.
[0069] The control module is used to send a control signal to the first audio module. The first audio module sends the control signal to the second audio module through the audio cable, so that the second audio module sends the control signal to the controlled module.
[0070] Among them, the recording and playing host 200 is an all-in-one machine, including an operating system, a camera, and a microphone. The recording and playing host 200 is connected to the interactive flat panel 100 through an HDMI or other display signal cable to realize the transmission of video images. The recording and playing host 200 is connected to the interactive flat panel 100 through an audio cable and is used to receive and play the audio files transmitted by the interactive flat panel 100.
[0071] Among them, the structures and principles of the control module, the first audio module, the second audio module, and the controlled module can refer to the embodiments of the foregoing device interconnection system and will not be elaborated herein.
[0072] The recording and playing host 200 does not have a display screen and lacks an intuitive graphical user interface, resulting in many inconveniences for users when controlling the recording and playing host 200. For example, in a classroom scenario, the user needs to connect the recording footprint to the display of the interactive flat panel 100 through an HDMI cable and use a mouse or a remote control for operation. It is easy to lose the remote control or the mouse in case of emergency, which takes a long time and has low efficiency.
[0073] In the embodiment of the present application, the display of the interactive flat panel 100 displays the control interface of the recording and playing host 200. The user inputs a control instruction through the control interface. The control module responds to the control instruction, issues a control signal, and transmits the control signal output by the interactive flat panel 100 to the recording and playing host 200 through the audio cable between the interactive flat panel 100 and the recording and playing host 200, realizing the control of the recording and playing host 200 by the interactive flat panel 100 without the need to additionally increase wires or use a mouse or a remote control, simplifying the control operation and reducing the cost.
[0074] It should also be noted that the term "comprising", "including" or any other variant thereof is intended to cover a non-exclusive inclusion, such that a process, method, commodity or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, commodity or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, commodity or device including the element.
[0075] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.
Claims
1. A device interconnection control system, characterized in that: It comprises a master control device and at least one controlled device, wherein the master control device comprises a control module and a first audio module, and the controlled device comprises a second audio module and a controlled module; The control module is connected to the first audio module, the first audio module is connected to the second audio module via an audio line, and the second audio module is connected to the controlled module; The control module is used to send a control signal to the first audio module, the first audio module sends the control signal to the second audio module through the audio line, and the second audio module sends the control signal to the controlled module.
2. The device interconnection control system according to claim 1, characterized in that: The control signal includes a digital control signal, the first audio module includes a digital audio output interface, and the second audio module includes a digital audio input interface; The control module is used to send the digital control signal to the digital audio output interface, and the digital audio output interface is used to send the digital control signal to the digital audio input interface through the audio line.
3. The device interconnection control system according to claim 1, characterized in that: The first audio module includes a first signal conversion module and an analog audio output interface; the second audio module includes an analog audio input interface, a filtering module and a second signal conversion module; The control module is connected to the first signal conversion module and the analog audio output interface in sequence, the analog audio output interface is connected to the analog audio input interface through the audio line, and the analog audio input interface is connected to the filter module, the second signal conversion module and the controlled module in sequence; The control module is used to send the control signal to the first signal conversion module, the first signal conversion module is used to convert the control signal into an analog audio signal, and send the analog audio signal to the analog audio output interface, the analog audio output interface is used to send the analog audio signal to the analog audio input interface through the audio line, the analog audio input interface is used to send the analog audio signal to the filtering module, the filtering module is used to filter the analog audio signal, and send the filtered analog audio signal to the second signal conversion module, the second signal conversion module is used to convert the filtered analog audio signal into the control signal, and send the control signal to the controlled module.
4. The device interconnection control system according to claim 3, characterized in that: The filtering module includes a high-pass filter, and the high-pass filter is used to filter out low-frequency signals in the analog audio signal.
5. The device interconnection control system according to claim 3, characterized in that: The second signal conversion module includes a comparator, and the comparator is used to convert the filtered analog audio signal into the control signal.
6. The device interconnection control system according to any one of claims 1 to 5, characterized in that: The master control device includes a display module and a first video module, and the controlled device includes a second video module; The display module is connected to the first video module, and the first video module is connected to the second video module via a video line; The second video module is used to transmit the video signal through the first video module to the display module via the video cable, so as to display the control interface of the controlled device on the display module; the control module is used to receive the control command input by the user on the control interface and output the control signal.
7. An interactive tablet, characterized in that: The interactive tablet is used to control the recording and broadcasting host, the interactive tablet includes a control module and a first audio module, and the recording and broadcasting host includes a second audio module and a controlled module; The control module is connected to the first audio module, the first audio module is connected to the second audio module via an audio line, and the second audio module is connected to the controlled module; The control module is used to send a control signal to the first audio module, and the first audio module sends the control signal to the second audio module through an audio line, so that the second audio module sends the control signal to the controlled module.