CN209911937U

CN209911937U - Simple mute mouse

Info

Publication number: CN209911937U
Application number: CN201921247809.9U
Authority: CN
Inventors: 崔欣; 高明; 金长新
Original assignee: Tidal Group Co Ltd
Current assignee: Shandong Inspur Science Research Institute Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-01-07
Anticipated expiration: 2029-08-02

Abstract

The utility model relates to an embedded system field specifically provides a simple and easy silence mouse. The structure of the touch screen also comprises a PCB board and a key controller which are arranged inside the shell, and a capacitive touch key which is arranged on the shell; the capacitive touch keys and the key controller are arranged on the PCB, and the capacitive touch keys, the key controller and the mouse main controller are electrically connected in sequence; the capacitance touch key is arranged on the PCB in a copper-clad mode, and stray capacitance is arranged between the copper-clad and the PCB. Compared with the prior art, the utility model discloses a simple and easy silence mouse button device has characteristics such as simple structure, low power dissipation, job stabilization, low cost, has good spreading value.

Description

Simple mute mouse

Technical Field

The utility model relates to an embedded system field specifically provides a simple and easy silence mouse.

Background

In the current information era, electronic devices such as computers have been popularized, and most households have more than one computer, and the mouse is responsible for connecting the computer and the user, so the importance is undoubted.

The mouse in the prior art adopts a mechanical structure, a micro switch is pressed through a key to apply force to a reed, the reed moves to a critical point to generate instantaneous action, so that a movable contact and a fixed contact at the tail end of the reed are quickly connected or disconnected, the reed simultaneously provides resilience power, external force is removed, and the system returns. However, the traditional mouse button can make a sound when being triggered and returned, so that normal rest of other people can be influenced in public environments such as dormitories.

Disclosure of Invention

The utility model provides a simple mute mouse with reasonable design, simple structure, safe use, convenience and rapidness, which aims at the defects of the prior art.

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

a simple mute mouse comprises a mouse main controller, a PCB (printed circuit board) and a key controller which are arranged in a shell, and a capacitance touch key arranged on the shell;

the capacitive touch keys and the key controller are arranged on the PCB, and the capacitive touch keys, the key controller and the mouse main controller are electrically connected in sequence; the capacitance touch key is arranged on the PCB in a copper-clad mode, and stray capacitance is arranged between the copper-clad and the PCB.

Furthermore, the capacitance touch key is connected with four timers in the key controller through IO ports.

Furthermore, the capacitance touch key and the key controller are both arranged on the same PCB.

Furthermore, the capacitance touch key is composed of a left mouse touch key, a right mouse touch key, an upper roller touch key and a lower roller touch key, the left mouse touch key, the right mouse touch key, the upper roller touch key and the lower roller touch key are electrically connected with the key controller, the left mouse touch key and the right mouse touch key are respectively positioned on the left side and the right side of the upper portion of the shell, and the upper roller touch key and the lower roller touch key are respectively positioned on the upper side and the lower side of the upper portion of the shell.

Preferably, the left mouse touch key and the right mouse touch key are larger in area than the upper roller touch key and the lower roller touch key, the left mouse touch key and the right mouse touch key are the same in shape, and the upper roller touch key and the lower roller touch key are the same in shape.

Preferably, the button controller adopts an STM32F103 single chip microcomputer chip.

Compared with the prior art, the simple mute mouse button device of the utility model has the following outstanding beneficial effects:

1. the utility model discloses a touch button replaces traditional mouse button and gyro wheel, and other parts still adopt prior art, and implementation method is simple, and the low power dissipation, job stabilization can effectual solution button noise big, influences other people's problem, and effectual being applied to needs the silence to use in the environment of mouse.

2. The utility model discloses a touch button low cost, easy operation has good spreading value.

3. The device has the advantages of simple structure, low power consumption, stable work, reasonable design and easy processing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a simple mute mouse;

FIG. 2 is a schematic structural diagram of a mute mouse button shown in FIG. 1;

fig. 3 is a circuit block diagram of the mute mouse button apparatus of fig. 1.

The reference numerals in the drawings denote:

1. the mouse comprises a right mouse touch key, 2, an upper mouse touch key, 3, a left mouse touch key, 4, a lower mouse touch key, 5, an STM32F103 single chip microcomputer chip, 6, a mouse main controller, 7, finger pressing, 8, a capacitor touch key, 9, stray capacitors, 10, a PCB (printed Circuit Board), 11 and a shell.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the present invention.

In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to the accompanying drawings; "inner and outer" refer to the inner and outer relative to the profile of the components themselves.

A preferred embodiment is given below:

as shown in fig. 1, 2, and 3, the simple mute mouse in this embodiment is composed of a PCB 10, a capacitive touch button 8, an STM32F103 monolithic chip 5, a mouse main controller 6, and a housing 11, where the housing 11 is internally mounted with the PCB 10, the STM32F103 monolithic chip 5, and the mouse main controller 6, and the housing 11 is processed with the capacitive touch button 8, in this embodiment, the mouse main controller 6 may adopt a mouse main controller whose specific model is STM32F407ZGT6, and the mouse main controller is in the prior art, and is not specifically set forth herein. The capacitor touch key 8 is connected with four timers in the STM32F103 single chip microcomputer chip 5 through IO ports, and the capacitor touch key 8 and the STM32F103 single chip microcomputer chip 5 are both arranged on the same PCB 10. The capacitance touch key 8, the STM32F103 single chip microcomputer chip 5 and the mouse main controller 6 are electrically connected in sequence, wherein the capacitance touch key 8 is arranged on the PCB 10 in a copper-clad mode, and a stray capacitance 9 is arranged between the capacitance touch key 8 and the PCB 10.

The capacitance touch key 8 is composed of a left mouse touch key 3, a right mouse touch key 1, an upper roller touch key 2 and a lower roller touch key 4, and the left mouse touch key 3, the right mouse touch key 1, the upper roller touch key 2 and the lower roller touch key 4 are all electrically connected with the STM32F103 single chip microcomputer chip 5. The left mouse touch key 3 and the right mouse touch key 1 are respectively positioned at the left side and the right side of the upper part of the shell 11, and the upper roller touch key 2 and the lower roller touch key 4 are respectively positioned at the upper side and the lower side of the upper part of the shell 11. The areas of the left mouse touch key 3 and the right mouse touch key 1 are larger than those of the upper roller touch key 2 and the lower roller touch key 4, the left mouse touch key 3 and the right mouse touch key 1 are the same in shape, and the upper roller touch key 2 and the lower roller touch key 4 are the same in shape.

The utility model discloses a silence mouse is when using, and electric capacity touch button 8 arranges on PCB board 10 with the form of copper facing, and has stray capacitance 9 between electric capacity touch button 8 and PCB board 10, judges the touch action according to changing through detection electric capacity touch button 8 output level. The capacitive touch keys 8 represent left and right mouse keys and up and down wheel touch keys, respectively. And the capacitance touch keys 8 are respectively connected to four timer IO port pins of the STM32F103 singlechip chip 5, and the level change of the pins of the capacitance touch keys 8 is detected and the capacitance charging time is calculated. For example, when a finger presses 7 the capacitance touch key 8, the stray capacitance 9 is arranged at the lower part, and when the STM32F103 singlechip chip 5 detects the capacitance charging time different from the default capacitance charging time in the idle state, the capacitance touch key 8 is judged to be pressed, and a high-level action signal is output by a corresponding output signal pin and is sent to the mouse main controller 6 for the mouse main controller 6 to perform state judgment.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a simple and easy silence mouse, includes mouse main controller, its characterized in that: the PCB and the key controller are arranged in the shell, and the capacitive touch key is arranged on the shell;

2. The mute mouse of claim 1, wherein: the capacitance touch key is connected with four timers in the key controller through IO ports.

3. The mute mouse of claim 2, wherein: the capacitive touch keys and the key controller are both arranged on the same PCB.

4. A mute mouse as claimed in claim 1, 2 or 3 wherein: the capacitive touch key is composed of a left mouse touch key, a right mouse touch key, an upper roller touch key and a lower roller touch key, the left mouse touch key, the right mouse touch key, the upper roller touch key and the lower roller touch key are electrically connected with the key controller, the left mouse touch key and the right mouse touch key are respectively located on the left side and the right side of the upper portion of the shell, and the upper roller touch key and the lower roller touch key are respectively located on the upper side and the lower side of the upper portion of the shell.

5. The mute mouse of claim 4, wherein: the left mouse touch key and the right mouse touch key are larger in area than the upper roller touch key and the lower roller touch key, the left mouse touch key and the right mouse touch key are identical in shape, and the upper roller touch key and the lower roller touch key are identical in shape.

6. The mute mouse of claim 1, wherein: the key controller adopts an STM32F103 single chip microcomputer chip.