Display equipment loudspeaker sound source state detection device based on vibration

Abstract

The utility model discloses a display device 1 loudspeaker sound source state detection device based on vibration, a display device is provided with at least two loudspeakers, the detection device comprises a vibration sensor and a test mainboard, the test mainboard is provided with a microcontroller and a switching value conversion circuit, and the microcontroller is respectively connected with the vibration sensor and the switching value conversion circuit; a vibration sensor is correspondingly installed at the position of each loudspeaker, the vibration sensors detect the vibration states of the loudspeakers so as to output vibration electric signals, the vibration sensors are connected with the microcontroller through a switching value conversion circuit, and the switching value conversion circuit is used for converting the vibration electric signals into digital switching values; and the microcontroller acquires digital switching values through the switching value conversion circuit and gathers and processes the digital switching values to form vibration state data of the loudspeaker sound source. According to the utility model, the detection device detects and identifies the silent / voiced output state of the loudspeaker audio left / right sound channel through the vibration sensor, thereby improving the cost performance of the product.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flat display product detection equipment, especially to display equipment loudspeaker sound source state detection device based on vibration. BACKGROUND

[0002] At present, the loudspeaker sound source state detection of display equipment is determined by vibration mode to judge audio voice / noise output detection method. The existing display equipment audio voice / noise determination method does not pass through vibration detection mode, and manual determination is needed to meet. INVENTION CONTENTS

[0003] The utility model discloses a display equipment loudspeaker sound source state detection device based on vibration, and whether the current audio left / right sound track has voice / noise output state is determined through vibration.

[0004] The utility model adopts the technical scheme of:

[0005] Display equipment loudspeaker sound source state detection device based on vibration, display equipment has at least two loudspeakers, and the detection device includes vibration sensor and test mainboard, and the test mainboard is equipped with microcontroller and switching value conversion circuit, and the microcontroller is connected with vibration sensor and switching value conversion circuit respectively;Every loudspeaker position corresponds to install a vibration sensor respectively, and the vibration sensor detects the vibration state of the loudspeaker to output vibration electric signal, and the vibration sensor is connected with the microcontroller through the switching value conversion circuit, and the switching value conversion circuit is used for converting vibration electric signal into digital switching value;The microcontroller obtains digital switching value through the switching value conversion circuit and processes to form the vibration state data of loudspeaker sound source.

[0006] Specifically, the microcontroller carries out logic determination and response control to digital switching value (that is, high / low level signal) (detecting left loudspeaker vibration to output left sound track voice, and no vibration to output left sound track voice.

[0007] Further, the vibration sensor is fixed on the loudspeaker by adhesive tape.

[0008] Further, the vibration sensor adopts SW-18010P vibration sensor.

[0009] Further, the two loudspeakers are arranged on the display in left and right intervals.

[0010] Further, it further includes host computer, and the output end of the microcontroller is connected with the host computer, and the host computer is configured with data processing software, and the data processing software carries out analysis and processing to the vibration state data of loudspeaker sound source.

[0011] Further, the data processing software is used to add the mute occurrence time of the loudspeaker and mark the mute loudspeaker, so that an ordinary skilled in the art can quickly locate the time node and duration of the mute phenomenon.

[0012] Further, the test mainboard is connected with the upper host computer through a serial port.

[0013] The utility model discloses above technical scheme, vibration sensor is fixed through adhesive tape on the loudspeaker position of display equipment, when vibration sensor detects the loudspeaker vibration of display equipment (that is, the loudspeaker is in the sound state) output vibration electric signal to switching value conversion circuit, switching value conversion circuit obtains vibration electric signal, and vibration electric signal is converted to digital switching value output (high / low level) for microcontroller, and microcontroller reads digital switching value (high / low level) and carries out logic decision and response control and forms loudspeaker sound source state data (detects left loudspeaker vibration and then exports left sound channel sound, and does not vibrate and then exports left sound channel mute, detects right loudspeaker vibration and then exports right sound channel sound, and does not vibrate and then exports right sound channel mute).

[0014] The detection device detects and identifies the mute / sound output state of the left / right sound channel of the loudspeaker audio, and improves the performance-price ratio of the product. ACCURATE DRAWINGS

[0015] The utility model makes further detailed description in combination with the attached drawing and specific embodiment;

[0016] Figure 1 It is installation state schematic view of the utility model based on vibration's display equipment loudspeaker sound source state detection device;

[0017] Figure 2 It is principle block diagram of the utility model based on vibration's display equipment loudspeaker sound source state detection device. CONCRETE EMBODIMENT

[0018] In order to make the purpose, technical scheme and advantage of the embodiment of the application more clear, the technical scheme in the embodiment of the application will be clearly and completely described below in combination with the drawing in the embodiment of the application.

[0019] As Figure 1Or 2, the utility model discloses a display equipment horn sound source state detection device based on vibration, display equipment 1 has at least two loudspeakers, not generality at least including left loudspeaker 2 and right loudspeaker 3, detection device includes vibration sensor 4 and test mainboard, is equipped with microcontroller 6 and switching value conversion circuit 5 on test mainboard, and microcontroller 6 connects vibration sensor 4 and switching value conversion circuit 5 respectively;Every loudspeaker position corresponds to the installation vibration sensor 4 respectively, and vibration sensor 4 detects loudspeaker vibration state to output vibration electric signal, and vibration sensor 4 is connected microcontroller 6 through switching value conversion circuit 5, and switching value conversion circuit 5 is used to convert vibration electric signal into digital switching value;Microcontroller 6 obtains digital switching value through switching value conversion circuit 5 and gathers and handles to form the vibration state data of loudspeaker sound source.

[0020] Specifically, microcontroller 6 carries out logical decision and response control to digital switching value (i.e. high / low level signal) (detecting left loudspeaker vibration to output left sound channel sound, and no vibration to output left sound channel no sound, detecting right loudspeaker vibration to output right sound channel sound, and no vibration to output right sound channel no sound.

[0021] Further, vibration sensor 4 is fixed on loudspeaker by adhesive tape.

[0022] Further, vibration sensor 4 adopts SW-18010P vibration sensor.

[0023] Further, two loudspeakers are arranged on display with left-right interval.

[0024] Further, it further includes host computer 7, and the output end of microcontroller 6 is connected with host computer 7, and host computer 7 is configured with data processing software, and the vibration state data of loudspeaker sound source is analyzed and handled by data processing software.

[0025] Further, data processing software is convenient to add the time of occurrence of soundless loudspeaker and mark soundless loudspeaker, so that the time node and duration of soundless phenomenon are quickly positioned for ordinary skilled in the art.

[0026] Further, test mainboard is connected with host computer 7 through serial port.

[0027] Specifically, as a kind of feasible implementation mode, the test mainboard of the utility model adopts tool UNO R3 board, vibration sensor adopts SW-18010P vibration sensor 2, and the data processing software of host computer is serial port data receiving software.

[0028] One of SW-18010P vibration sensor (referred to as vibration sensor a) is fixed in display equipment 1 left loudspeaker position, and another SW-18010P vibration sensor (referred to as vibration sensor b) is fixed in display equipment 1 right loudspeaker position.

[0029] Two SW-18010P vibration sensors are connected to the UNO R3 board: the GND (G) pin of the vibration sensor a is connected to the GND pin of the UNO R3; the VCC (V) pin of the vibration sensor a is connected to the 5V pin of the UNO R3; the DO (digital output) pin of the vibration sensor a is connected to the digital pin D2 of the UNO R3; the GND (G) pin of the vibration sensor b is connected to the GND pin of the UNO R3; the VCC (V) pin of the vibration sensor b is connected to the 5V pin of the UNO R3; the DO (digital output) pin of the vibration sensor b is connected to the digital pin D3 of the UNO R3.

[0030] The microcontroller 6 of the UNO R3 is programmed, and the serial port Baud rate is set to 9600 (other values can be set). The vibration sensor a state is detected: if the device vibration is sensed, the left channel sound is output; if there is no vibration, the left channel sound is not output; the vibration sensor b state is detected: if the device vibration is sensed, the right channel sound is output; if there is no vibration, the right channel sound is not output.

[0031] In order to prevent the serial port from frequently printing information, the determination result is output once every 5 seconds, if the device vibration is detected within 5 seconds, the current channel sound data information is output and displayed, if the device vibration is not detected for 4 seconds within 5 seconds, the channel sound data information is output and displayed.

[0032] The utility model discloses the above technical scheme, vibration sensor is fixed on the loudspeaker position of display device 1 through the adhesive tape, when vibration sensor detects the loudspeaker vibration of display device 1 (that is, the loudspeaker is in the sound state) output vibration electric signal to switching value conversion circuit 5, switching value conversion circuit 5 obtains vibration electric signal, and vibration electric signal is converted to digital switching value output (high / low level) for microcontroller 6, and microcontroller 6 reads digital switching value (high / low level) and carries out logic decision and response control to form loudspeaker sound source state data (detecting left loudspeaker vibration to output left channel sound, and if there is no vibration, left channel sound is output, detecting right loudspeaker vibration to output right channel sound, and if there is no vibration, right channel sound is output). Further, the loudspeaker sound source state data is transmitted to the data processing software of host computer and is analyzed and handled, after data processing software receives data, the data will be handled, the time of data reception is added and the time node and duration of the time node of the soundless phenomenon are marked to enable the ordinary skilled in the art to quickly locate the soundless phenomenon.

[0033] The detection device of the utility model detects and identifies the soundless / sound output state of the left / right sound channel of loudspeaker audio through vibration sensor, and improves the performance-price ratio of the product.

[0034] It is apparent that the described embodiments are only some — but not all — of the embodiments of the present application. The embodiments described in this application and features in the embodiments can be combined with each other in cases without conflict. The components of the embodiments of the present application, which are generally described and shown in the accompanying drawings, can be arranged and designed in various different configurations. Therefore, the detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work, shall fall within the scope of protection of the present application.

Claims

1. A vibration-based display device speaker sound source status detection device, wherein the display device has at least two speakers, characterized in that: The testing device includes a vibration sensor and a test motherboard. The test motherboard is equipped with a microcontroller and a digital signal conversion circuit. The microcontroller is connected to both the vibration sensor and the digital signal conversion circuit. A vibration sensor is installed at the location of each speaker. The vibration sensor detects the vibration state of the speaker and outputs a vibration electrical signal. The vibration sensor is connected to the microcontroller through the digital signal conversion circuit, which converts the vibration electrical signal into a digital switch signal. The microcontroller acquires the digital switch signal through the digital signal conversion circuit and processes it to form the vibration state data of the speaker sound source.

2. The vibration-based display device speaker sound source status detection device according to claim 1, characterized in that: The vibration sensor is fixed to the speaker using tape.

3. The vibration-based display device speaker sound source status detection device according to claim 1, characterized in that: The vibration sensor used is the SW-18010P vibration sensor.

4. The vibration-based display device speaker sound source status detection device according to claim 1, characterized in that: Two speakers are positioned on the monitor, spaced apart on the left and right.

5. The vibration-based display device speaker sound source status detection device according to claim 1, characterized in that: It also includes a host computer, the output of which is connected to the host computer. The host computer is equipped with data processing software that analyzes and processes the vibration status data of the speaker sound source.

6. The vibration-based display device speaker sound source status detection device according to claim 5, characterized in that: The test motherboard is connected to the host computer via a serial port.

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