Voice remote control wire
By integrating a microphone and an infrared transmitter into the connection cable, wired voice control is achieved, solving the problems of limited functionality and wireless dependence of existing USB-C interfaces, and improving the convenience and intelligence of device control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-04-10
AI Technical Summary
Existing USB-C interface cables have limited functionality and cannot achieve voice control. Furthermore, existing voice control devices rely on wireless connections or independent hardware, which limits their application scenarios.
Design a voice remote control cable that integrates a microphone unit, a voice recognition chip, a microprocessor, and an infrared transmitter unit. It enables voice control via a wired connection and is suitable for infrared and USB interface devices. It supports direct voice command control of target devices.
Controlling target devices directly via voice commands eliminates the need for manual operation, making it suitable for various scenarios, enhancing convenience and intelligence, and applicable to a wide range of electronic devices.
Smart Images

Figure CN224109982U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of data lines, and particularly relates to a voice remote control line. BACKGROUND
[0002] With the popularization of intelligent electrical appliances, the functional requirements of users for device connection lines are increasing. The traditional USB-C interface connection line is only used for data transmission and charging, and its function is single, which cannot meet the needs of users for intelligence and convenient operation.
[0003] The existing voice control technology usually relies on independent voice assistant devices or built-in voice modules, and cannot realize voice control function through a connection line. The existing voice control devices (such as smart speakers and Bluetooth earphones) need to rely on wireless connection or independent hardware, and cannot directly control target devices through wired connection, and users need to frequently operate device keys or screens, and the use scene is limited (such as driving, sports, cooking, gaming and multiple tasks), therefore, it is necessary to develop a connection line integrating voice control and data transmission functions. CONTENT OF THE UTILITY MODEL
[0004] In order to overcome the problems in the related art, the application aims to provide a voice remote control line.
[0005] The application is realized through the following technical scheme.
[0006] The technical scheme provides a voice remote control line, which comprises
[0007] a first connection interface for connecting a first electronic device and a second connection interface for connecting a second electronic device, the first connection interface and the second connection interface are electrically connected through a wire to realize power and data transmission between the first electronic device and the second electronic device.
[0008] a voice control module comprising a sound pickup unit and a voice recognition chip, the sound pickup unit is electrically connected to the voice recognition chip, the sound pickup unit is used for receiving a voice instruction of a user to the voice recognition chip, and the voice recognition chip converts the voice instruction into a control signal;
[0009] a signal processing module comprising a microprocessor and an infrared emission unit, the microprocessor is electrically connected to the first connection interface and the voice recognition chip respectively, and the microprocessor is used for receiving the control signal of the voice recognition chip and sending the control signal through the infrared emission unit;
[0010] The voice control module and the signal processing module are electrically connected between the first connection interface and the second connection interface.
[0011] The technical effects of the technical scheme are that the first connection interface is connected with the first electronic device to obtain power from the first electronic device; the target device can be directly controlled by voice without manual operation, thus freeing hands and being easy to use and more humanized; and the technical scheme is applicable to all devices supporting infrared IR and USB interfaces without additional drivers.
[0012] In one or more embodiments of the technical scheme, the light indication unit includes at least one LED indicator, all the LED indicators are electrically connected with the microprocessor respectively, and each LED indicator is used to indicate one working state.
[0013] In one or more embodiments of the technical scheme, the buzzer is electrically connected with the microprocessor, and the buzzer is used to emit sound to prompt execution of the voice instruction.
[0014] In one or more embodiments of the technical scheme, the power module includes a power management chip, an input end of the power management chip is electrically connected with a power end of the first connection interface, and output ends of the power management chip are connected with the sound pickup unit, the voice recognition chip and the microprocessor respectively.
[0015] In one or more embodiments of the technical scheme, the second connection interface is used to connect a second electronic device, and the first connection interface and the second connection interface are electrically connected through wires to realize power and data transmission between the first electronic device and the second electronic device.
[0016] In one or more embodiments of the technical scheme, the first connection interface is any one of a USB-A interface, a USB-B interface, a USB-C interface, a USB-Micro interface or a Lightning interface.
[0017] In one or more embodiments of the technical scheme, the second connection interface is any one of a USB-A interface, a USB-B interface, a USB-C interface, a USB-Micro interface or a Lightning interface.
[0018] In one or more embodiments of the technical scheme, the sound pickup unit includes a full-directional microphone matrix MK1, a capacitor C12 and a resistor R9, a first end of the full-directional microphone matrix MK1 is connected with the voice recognition chip through the capacitor C12, the first end is also connected with a power supply through the resistor R9, and a second end is grounded.
[0019] In one or more embodiments of the technical scheme, the infrared emission unit includes an infrared LED module composed of a plurality of infrared LED lamp beads, one end of the infrared LED module is connected with the microprocessor through a resistor R1, and the other end is grounded.
[0020] In one or more embodiments of the technical solution, the number of LED indicator lights is four, and the plurality of LED indicator lights respectively adopt different colors to indicate one or more combinations of the following working states: sending instructions, voice recognition, microphone prohibition state, and power supply working state.
[0021] In one or more embodiments of the technical solution, the first connection interface and the second connection interface are provided with a shell, the voice control module and the signal processing module are arranged in the internal space of the shell, part or all of the infrared emission unit is exposed outside the shell, and the shell is provided with a sound hole for the sound pickup unit to receive sound.
[0022] 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. BRIEF DESCRIPTION OF DRAWINGS
[0023] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which like reference characters refer to like parts throughout the several views, and in which:
[0024] Figure 1 is a principle block diagram of a voice remote line shown in an embodiment of the present application.
[0025] Figure 2 is a circuit principle diagram of a first connection interface shown in an embodiment of the present application.
[0026] Figure 3 is a circuit principle diagram of a second connection interface shown in an embodiment of the present application.
[0027] Figure 4 is a circuit principle diagram of a microprocessor shown in an embodiment of the present application.
[0028] Figure 5 is a circuit principle diagram of an infrared emission unit shown in an embodiment of the present application.
[0029] Figure 6 is a circuit principle diagram of a voice recognition chip shown in an embodiment of the present application.
[0030] Figure 7 is a circuit principle diagram of an external crystal oscillator connected to the voice recognition chip shown in an embodiment of the present application.
[0031] Figure 8 is a circuit principle diagram of a sound pickup unit shown in an embodiment of the present application.
[0032] Figure 9is a circuit schematic diagram of the power module shown in an embodiment of the present application.
[0033] Figure 10 is a circuit schematic diagram of the light indicating unit shown in an embodiment of the present application.
[0034] Figure 11 is a circuit schematic diagram of the buzzer shown in an embodiment of the present application.
[0035] Figure 12 is a partial structural schematic diagram of the voice remote line shown in an embodiment of the present application.
[0036] Legend of reference signs:
[0037] 1 - first connection interface; 2 - second connection interface; 3 - voice control module; 31 - sound pickup unit; 32 - voice recognition chip; 4 - signal processing module; 41 - microprocessor; 43 - infrared emitting unit; 5 - light indicating unit; 6 - buzzer; 7 - power module; 8 - shell. DETAILED DESCRIPTION
[0038] The technical solutions in some embodiments of the present application will be described clearly and completely below in combination with the drawings in some embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0039] The technical solutions of the embodiments of the present application will be described in detail below in combination with the drawings.
[0040] As shown in Figures 1 to 12 the present embodiment provides a voice remote line, which comprises a first connection interface 1 for connecting a first electronic device, a second connection interface 2 for connecting a second electronic device, a voice control module 3 and a signal processing module 4; the voice control module 3 comprises a sound pickup unit 31 and a voice recognition chip 32, the voice recognition chip is electrically connected with the first connection interface or the second connection interface, the sound pickup unit is used for receiving a voice instruction of a user to the voice recognition chip, and the voice recognition chip converts it into a control signal; the signal processing module comprises a microprocessor 41 and an infrared emitting unit 43, the microprocessor is electrically connected with the connection interface and the voice recognition chip respectively, and the microprocessor is used for receiving the control signal of the voice recognition chip and sending it through the infrared emitting unit.
[0041] Thus, power is taken from the first electronic device or the second electronic device through the first connection interface and the first electronic device or the second connection interface and the second electronic device; the target device can be directly controlled by voice without manual operation, thus freeing hands, being easy to use, and being more humanized; and the voice remote control line is applicable to all devices supporting infrared IR and USB interfaces without additional drivers.
[0042] In the embodiment, the voice remote control line further comprises a light indication unit 5, which comprises at least one LED indication lamp, and all the LED indication lamps are electrically connected to the microprocessor respectively, and each LED indication lamp is used for indicating one working state.
[0043] Specifically, the number of the LED indication lamps is four, and the plurality of LED indication lamps adopt different colors to indicate one or more combinations of the following working states: sending instruction, voice recognition, microphone prohibition state, and power supply working state. For example, yellow-green indicates sending instruction, yellow indicates voice recognition, red indicates microphone prohibition state, and red indicates power supply working state, etc. The four LED indication lamps are respectively connected to the PA7, PA3, PA1, and PA0 terminals of the microprocessor through the resistors R4, R5, R6, and R7 respectively.
[0044] In the embodiment, the voice remote control line further comprises a buzzer 6, which is electrically connected to the microprocessor, and the buzzer is used for emitting sound to prompt the execution of the voice instruction.
[0045] Specifically, the buzzer adopts a passive buzzer with a model of QMB-09B-03, and the buzzer is connected in parallel with the diode D6, one end of which is connected to the power supply V3, and the other end is connected to the PB2 terminal of the microprocessor through the triode Q1 and the resistor R10, and is used for receiving a PWM control signal.
[0046] In the embodiment, the voice remote control line further comprises a power supply module 7, which comprises a power management chip U1, the input terminal VIN of the power management chip U1 is electrically connected to the power supply terminal VBUS of the first connection interface to take power, and the output terminal VOUT of the power management chip U1 provides the power supply V3, which is connected to the electric connection pickup unit, the voice recognition chip, and the microprocessor respectively to supply power, and the input terminal VIN is further connected to the ground through the capacitors C4, C5, and C6 respectively, and the output terminal VOUT is further connected to the ground through the capacitors C7 and C8 respectively.
[0047] In the embodiment, the first connecting interface and the second connecting interface are electrically connected through wires to realize power and data transmission between the first electronic device and the second electronic device. It should be noted that the first electronic device or the second electronic device includes but is not limited to a mobile phone, a tablet, a computer, a sound box, a headset, a charging head, a power bank and the like. The first connecting interface is any one of a USB-A interface, a USB-B interface, a USB-C interface, a USB-Micro interface or a Lightning interface. The second connecting interface is any one of a USB-A interface, a USB-B interface, a USB-C interface, a USB-Micro interface or a Lightning interface.
[0048] Specifically, the first connecting interface and the second connecting interface each include but are not limited to a VBUS, a GND and a CC1 pin for power transmission, and a D+ and a D- pin for data transmission, wherein the corresponding pins are electrically connected in a physical manner to realize power and data transmission between the first connecting interface and the second connecting interface.
[0049] In the embodiment, the sound pickup unit 31 includes a full-directional microphone matrix MK1, a capacitor C12 and a resistor R9. A first end of the full-directional microphone matrix MK1 is connected to the voice recognition chip U3 through the capacitor C12, and the first end is also connected to the power supply V3 through the resistor R9. A second end is grounded.
[0050] In the embodiment, the infrared emission unit includes an infrared interface for connecting an infrared emitter. Thus, the infrared emitter is connected through the infrared interface, signals are emitted through the infrared emitter, and the remote control target device is realized. In addition, the voice remote control line can directly emit signals. The infrared emission unit includes an infrared LED module composed of a plurality of infrared LED lamp beads. One end of the infrared LED module is connected to the microprocessor U2 through the resistor R1, and the other end is grounded. The plurality of infrared LED lamp beads in the infrared LED module are packaged in a DIP (dual in-line package).
[0051] In the embodiment, a shell is arranged between the first connecting interface 1 and the second connecting interface 2. The voice control module 3, the signal processing module 4, the power supply module 7 and the buzzer 6 are arranged in the internal space of the shell. Part or all of the infrared emission unit 43 is exposed outside the shell 8. The shell 8 is provided with a microphone hole for the sound pickup unit 31 to receive sound and a sound hole for the buzzer 6 to pass sound.
[0052] The working process of the voice remote control line of the embodiment is as follows:
[0053] 1. Charging process:
[0054] When the first connection interface and the second connection interface are connected to the first electronic device and the second electronic device respectively, the VBUS / GND / CC1 physical connection is established, at this time, the power of the first electronic device is transmitted to the second electronic device through the voice remote control line, and the second electronic device is charged, realizing the charging function. When the first connection interface or the second connection interface, the first electronic device and the second electronic device are disconnected from the VBUS / GND / CC1 physical connection, and the charging state is released.
[0055] 2. Data transmission process:
[0056] When the first connection interface and the second connection interface are connected to the first electronic device and the second electronic device respectively, the VBUS / GND / D+ / D- physical connection is established, at this time, the first electronic device or the second electronic device will transmit USB data through the voice remote control line. Physical layer, data link layer, protocol layer and application layer link, and then the data synchronization and transmission between the first electronic device and the second electronic device. When the first connection interface and the second connection interface, the VBUS / GND / D+ / D- physical connection between the first electronic device and the second electronic device is disconnected, the physical layer, data link layer, protocol layer and application layer link are released, and then the data transmission is disconnected.
[0057] 3. Voice remote control process:
[0058] a) Effective instruction, execution
[0059] i. When powered on (i.e. when the first connection interface or the second connection interface is connected to any electronic device), the voice control module is powered on and works, the microphone pickup unit in the voice control module starts to detect whether there is a wake-up word in the space environment in real time, when the "wake-up word" is detected, the recognition chip U3 of the voice control module works in the working state, analyzes the user voice information, extracts and analyzes the user instruction word, and sends it to the microprocessor U2 of the signal processing module through the line "PB6". The microprocessor U2 sends the corresponding target appliance infrared instruction to the infrared tube of the infrared emission unit, the infrared tube converts into an infrared instruction signal, and radiates to the space. When the intelligent target appliance receives the instruction, it analyzes and executes the corresponding action.
[0060] ii. At the same time, the microprocessor U2 of the signal processing module controls the corresponding LED of the light indication unit to light up, prompting the user to execute the instruction in the form of "light".
[0061] iii. The light indication unit of the signal processing module outputs a PWM signal to control the buzzer to emit corresponding sound, prompting the user to execute the instruction in the form of "sound".
[0062] b) Invalid instruction, standby sleep
[0063] i.When powered on (i.e. when the first connection interface or the second connection interface is connected to any electronic device), the voice control module is powered on, and the microphone pickup unit in the voice control module starts to detect in real time whether there is a wake-up word in the space environment. If no "wake-up word" is detected, the subsequent signal processing module, light indicating unit and buzzer module are all in standby mode due to no instructions, and do not work. Until the next instruction of the signal processing module is received.
[0064] The voice remote line of the embodiment integrates voice control, data transmission and charging functions. Through the voice control module and the signal processing module, the user can operate the intelligent target appliance through voice instructions, improving the convenience and intelligent level of use. The circuit design is simple and practical, and has a wide application prospect.
[0065] The above has described the embodiments of the present application, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles, practical application or improvement of the technology in the market of the embodiments, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.
Claims
1. A voice remote cord, characterized in that, Comprising a first connection interface (1) for connecting a first electronic device and a second connection interface (2) for connecting a second electronic device, the first connection interface (1) and the second connection interface (2) are electrically connected by wires to realize power and data transmission between the first electronic device and the second electronic device; a voice control module (3) comprising a sound pickup unit (32) and a voice recognition chip (31), the sound pickup unit (32) is electrically connected with the voice recognition chip (31), the sound pickup unit (32) is used to receive the voice instruction of the user to the voice recognition chip (31), and the voice recognition chip (31) is used to convert the voice instruction into a control signal; a signal processing module (4) comprising a microprocessor (41) and an infrared emission unit (42), the microprocessor (41) is connected with the voice recognition chip (31), and the microprocessor (41) is used to receive the control signal of the voice recognition chip (31) and send it through the infrared emission unit (42); wherein the voice control module (3) and the signal processing module (4) are electrically connected between the first connection interface (1) and the second connection interface (2).
2. The voice remote cord of claim 1, wherein, It also includes a light indication unit (5), the light indication unit (5) comprises at least one LED indicator, all the LED indicators are respectively electrically connected with the microprocessor (41), and each LED indicator is used to indicate one kind of working state.
3. The voice remote cord of claim 2, wherein, The number of the LED indicators is four, and the plurality of LED indicators respectively adopt different colors to indicate one or more combinations of the following working states: sending instruction, voice recognition, microphone prohibited state and power supply working state.
4. The voice remote cord of claim 1, wherein, It also includes a buzzer, the buzzer is electrically connected with the microprocessor (41), and the buzzer is used to emit sound to prompt the execution of the voice instruction.
5. The voice remote cord of claim 1, wherein, It also includes a power module (7), the power module (7) comprises a power management chip, an input end of the power management chip is electrically connected with a power supply end of the first connection interface (1), and output ends of the power management chip are respectively connected to the sound pickup unit (32), the voice recognition chip (31) and the microprocessor (41).
6. The voice remote cord of claim 1, wherein, The first connection interface (1) is any one of a USB-A interface, a USB-B interface, a USB-C interface, a USB-Micro interface or a Lightning interface.
7. The voice remote cord of claim 1, wherein, The second connection interface (2) is any one of a USB-A interface, a USB-B interface, a USB-C interface, a USB-Micro interface or a Lightning interface.
8. The voice remote cord of claim 1, wherein, The sound pickup unit (32) comprises a full-directional microphone matrix MK1, a capacitor C12 and a resistor R9, a first end of the full-directional microphone matrix MK1 is connected to the voice recognition chip (31) through the capacitor C12, and the first end is also connected to a power supply through the resistor R9, and a second end is grounded.
9. The voice remote cord of claim 1, wherein, The infrared emission unit (42) comprises an infrared LED module composed of a plurality of infrared LED lamp beads, one end of the infrared LED module is connected to the microprocessor (41) through a resistor R1, and the other end is grounded. Alternatively, the infrared emission unit (42) comprises an infrared interface, and the infrared interface is used to connect an infrared emitter.
10. The voice remote cord of claim 1, wherein, The first connecting interface (1) and the second connecting interface (2) are provided with a shell, the voice control module (3) and the signal processing module (4) are arranged in the internal space of the shell (8), part or all of the infrared emission unit (42) is exposed outside the shell (8), and the shell (8) is provided with a microphone hole for enabling the sound pickup unit (32) to receive sound.