CN214507031U

CN214507031U - Mute touch control input device based on USB

Info

Publication number: CN214507031U
Application number: CN202120508370.1U
Authority: CN
Inventors: 黄斌丽; 段东升
Original assignee: Guangdong Tiangong Technology Co ltd
Current assignee: Guangdong Tiangong Technology Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-10-26
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a mute touch input device based on USB, which comprises a USB interface, a switching circuit and a vibration detection module which are electrically connected in turn, wherein the vibration detection module comprises an infrared receiver and an infrared emitter which irradiates the infrared receiver with infrared light, the optical axis of the infrared light is provided with a vibration sensor for shielding or exposing the infrared light, the touch input device is connected with the upper computer through a USB interface in an inserting way, after the touch input device is knocked, the vibration detection module can expose the infrared light emitted by the infrared emitter due to knocking vibration, the touch control function of mute switching can be realized by lightly knocking without operating a mouse to search an audio control program on a system interface for mute control after the infrared receiver is triggered and sending a mute switching instruction to the upper computer, the device is light and small, has no external cable, and is easier to carry and install on system equipment in an external plugging mode.

Description

Mute touch control input device based on USB

Technical Field

The utility model relates to a silence controlling means, especially a silence touch input device based on USB.

Background

In real life, online and offline meetings, lectures and classroom teaching are normal working activities, and in the activities, the on-off state of a microphone needs to be frequently switched (namely, the microphone is subjected to mute control), at the moment, a speaker needs to search a mute program on a screen of a speech system, and then a mouse is controlled to perform mute switching, so that a simple mute operation is very complicated, if the system still executes a plurality of software programs and a plurality of windows are displayed in the screen, the mute operation is further complicated, and the numerous control operations even cause the phenomena of blocking and halting of the speech system.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a quick convenient silence touch input device based on USB.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a silence touch-control input device based on USB, includes USB interface, switching circuit and the vibration detection module that connects gradually the electricity, the vibration detection module includes infrared receiver and carries out infrared light irradiated infra-red transmitter to infrared receiver, and installs the vibration inductor that is used for sheltering from or exposes the infrared light on the optical axis of this infrared light.

The vibration sensor comprises a shell, wherein a sensing ball and a limiting spring for limiting the sensing ball in jacking and pressing are arranged in the shell, light holes are symmetrically formed in two sides of the shell, and the sensing ball and the light holes are located on an infrared light axis sent by the infrared emitter.

The limiting spring comprises a first pressure spring and a second pressure spring, after assembly, the first pressure spring and the second pressure spring clamp the induction ball, and the tail ends of the first pressure spring and the second pressure spring, which deviate from each other, are abutted to the shell.

The switching circuit comprises a switching chip U1, a crystal oscillator Y1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a resistor R2 and a resistor R1; the model of the switching chip U1 is CH 341T; pins 1 to 4 and pins 14 to 18 of the switching chip U1 are suspended, pin 5 is divided into two paths, one path is grounded through the infrared receiver, the other end is connected with 5V voltage through the resistor R2, one end of the resistor R1 is connected with 5V voltage, and the other end is grounded through the infrared emitter; the pin 6 of the adapter chip U1 is grounded through the capacitor C3, and the

pins

7 and 8 are respectively connected with the

pins

3 and 2 of the USB interface; the 9 pins of the switching chip U1 are divided into two paths, one path is grounded through the capacitor C4, and the other path is connected with the 1 pin of the crystal oscillator Y1; the 10 pins of the switching chip U1 are divided into two paths, one path is grounded through the capacitor C1, the other path is connected with the 3 pins of the crystal oscillator Y1, and the 2 pins and the 4 pins of the crystal oscillator Y1 are grounded;

pins

11, 12 and 19 of the adapter chip U1 are grounded, and

pins

13 and 20 are connected with 5V voltage; one end of the capacitor C2 is grounded, the other end of the capacitor C2 is divided into two paths, one path is connected with 5V voltage, and the other path is connected with a pin 1 of the USB interface.

The infrared receiver is an infrared receiving light tube, and the infrared transmitter is an infrared light emitting tube.

The utility model has the advantages that: the utility model discloses a plug in host computer through the USB interface, after knocking touch-control input device, vibration detection module can expose the infrared light of infra-red transmitter transmission because of knocking the vibration for infrared receiver triggers back to the host computer and sends silence switching instruction, need not to control again and look for audio control procedure on system interface and carry out silence control, one gently hits the touch-control function that can realize silence switching, and the device is light small and exquisite, no external cable, the mode of pegging graft outward changes in carrying and installing on system's equipment.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural diagram of a vibration detection module;

fig. 2 is a schematic circuit diagram of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the scope of the present invention.

Referring to fig. 1, a mute touch input device based on USB comprises a USB interface, a switching circuit and a vibration detection module (labeled as U2 in fig. 2) electrically connected in turn, wherein the vibration detection module comprises an infrared receiver 1 and an infrared emitter 2 for irradiating infrared light to the infrared receiver 1, and a vibration sensor 3 for shielding or exposing infrared light is installed on an optical axis of the infrared light, the touch input device is inserted into a system host through the USB interface, after the touch input device is lightly tapped, the vibration detection module exposes the infrared light emitted by the infrared emitter due to tapping vibration, so that the infrared receiver is triggered and sensed after being irradiated by the infrared light and transmitted to the switching circuit, and then the switching circuit sends a mute switching instruction to the system host through the USB interface, so as to mute audio equipment on the system host, and a mouse does not need to be controlled to search for an audio control program on the system interface for mute control, the touch function of silence switching can be realized by slightly knocking, the device is light and small, no external cable is arranged, and the external plugging mode is easier to carry and install on system equipment.

Vibration inductor 3 includes casing 4, install the spacing spring of response ball 5 and roof pressure restriction response ball 5 in the casing 4, the bilateral symmetry of casing 4 is provided with unthreaded hole 6, response ball 5 and unthreaded hole 6 all are in on the infrared ray optical axis that infrared emitter 2 sent, and spacing spring makes response ball 5 be in fixed quiescent condition in the normality, shelters from the infrared light that infrared emitter 2 sent, strikes touch-control input device after, and the skew takes place for the response ball 5 because of the vibration for infrared light shines on infrared receiver, thereby trigger input, compare in the existing vibration sensor of selling on the market, this vibration inductor 3 has the vibration response of same sensitivity, and the volume of self is more small, provides the basis of realizing for touch-control input device's volume reduction.

The limiting spring comprises a first pressure spring 7 and a second pressure spring 8, after assembly, the first pressure spring 7 and the second pressure spring clamp the sensing ball 5, and the end of the two springs are abutted against the housing 4, so that the sensing ball 5 can more sensitively sense vibration, one of the pressure springs can be removed, the volume of the vibration sensor is further reduced by sacrificing certain sensitivity (i.e. the volume of the housing is further reduced, and the sensing ball and one pressure spring can just be placed in the cavity inside the housing), and in addition, the directions or position relations indicated by "top", "bottom", "inner", "outer" and the like mentioned in the specification are based on the directions or position relations shown in the drawings, which are only for convenience of description of the utility model and simplification of description, but do not indicate or suggest that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Referring to fig. 2, the switching circuit includes a switching chip U1, a crystal oscillator Y1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a resistor R2 and a resistor R1; pins 1 to 4 and pins 14 to 18 of the switching chip U1 are suspended, pin 5 is divided into two paths, one path is grounded through the infrared receiver 1, the other end is connected with 5V voltage through the resistor R2, one end of the resistor R1 is connected with 5V (VCC in the figure is 5V, obtained from a USB interface) voltage, and the other end is grounded through the infrared emitter 2; the pin 6 of the adapter chip U1 is grounded through the capacitor C3, and the

pins

7 and 8 are respectively connected with the

pins

11, 12 and 19 of the adapter chip U1 are grounded, and

pins

13 and 20 are connected with 5V voltage; one end of the capacitor C2 is grounded, the other end of the capacitor C2 is divided into two paths, one path is connected with 5V voltage, and the other path is connected with a pin 1 of the USB interface; the model of the switching chip U1 is CH341T, it should be noted that the switching chip U1 stores a corresponding installation program, and after being inserted into a system host, the switching chip U1 can be recognized and installed as a system installation driving program, which is a conventional technical means in the USB transmission field, and will not be described in detail, the infrared receiver 1 is an infrared receiving light tube (labeled PIL 01), the infrared emitter 2 is an infrared light tube (labeled LED 1), and since both are individual electronic components, the occupied space can be greatly reduced, and the volume of the touch input device can be further reduced.

The above embodiments are not intended to limit the scope of the present invention, and those skilled in the art can make modifications and variations equivalent without departing from the overall concept of the present invention.

Claims

1. The utility model provides a silence touch-control input device based on USB which characterized in that it includes USB interface, switching circuit and the vibration detection module of electricity connection in proper order, the vibration detection module includes infrared receiver (1) and carries out infrared light struck infrared emitter (2) to infrared receiver (1), and installs vibration inductor (3) that are used for sheltering from or expose the infrared light on the optical axis of this infrared light.

2. The USB-based mute touch input device according to claim 1, wherein the vibration sensor (3) comprises a housing (4), the housing (4) is internally provided with a sensing ball (5) and a limiting spring which presses and limits the sensing ball (5), the housing (4) is symmetrically provided with light holes (6) at two sides, and the sensing ball (5) and the light holes (6) are both positioned on an optical axis of infrared light emitted by the infrared emitter (2).

3. The USB-based mute touch control input device according to claim 2, wherein the limit spring comprises a first compression spring (7) and a second compression spring (8), after assembly, the first compression spring (7) and the second compression spring clamp the sensing ball (5), and the ends of the two springs which are deviated from each other abut against the housing (4).

4. The USB-based silent touch input device of claim 1, wherein the switching circuit comprises a switching chip U1, a crystal oscillator Y1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a resistor R2 and a resistor R1; the model of the switching chip U1 is CH 341T; pins 1 to 4 and pins 14 to 18 of the switching chip U1 are suspended, pins 5 are divided into two paths, one path is grounded through the infrared receiver (1), the other end is connected with 5V voltage through the resistor R2, one end of the resistor R1 is connected with 5V voltage, and the other end is grounded through the infrared emitter (2); the pin 6 of the adapter chip U1 is grounded through the capacitor C3, and the pins 7 and 8 are respectively connected with the pins 3 and 2 of the USB interface; the 9 pins of the switching chip U1 are divided into two paths, one path is grounded through the capacitor C4, and the other path is connected with the 1 pin of the crystal oscillator Y1; the 10 pins of the switching chip U1 are divided into two paths, one path is grounded through the capacitor C1, the other path is connected with the 3 pins of the crystal oscillator Y1, and the 2 pins and the 4 pins of the crystal oscillator Y1 are grounded; pins 11, 12 and 19 of the adapter chip U1 are grounded, and pins 13 and 20 are connected with 5V voltage; one end of the capacitor C2 is grounded, the other end of the capacitor C2 is divided into two paths, one path is connected with 5V voltage, and the other path is connected with a pin 1 of the USB interface.

5. The USB-based mute touch input device according to claim 4, wherein the infrared receiver (1) is an infrared receiving light pipe and the infrared transmitter (2) is an infrared light pipe.