CN207992955U - It imparts knowledge to students special typing exercising Multi-Function Keyboard - Google Patents

Abstract

The utility model discloses a kind of Multi-Function Keyboards of the special typing exercising of teaching, including keyboard body, switch, display lamp, the keyboard body is connected with power cord, multiple keyboards of protrusion are provided on keyboard body, keyboard, which is corresponded to, in the inside of keyboard body is provided with corresponding keyboard switch, the keyboard body further includes touch control area and hand-written area, and the touch control area can realize that the control to computer cursor, the hand-written area can be with handwriting input rarely used words；The keyboard " A ", " S ", " D ", " F ", " J ", " K ", " L ", "；" on install touch sensor additional, and whether put by correct fingering using signal control chip judgement key-press status, to achieve the purpose that typewriting teaching.Design is scientific and reasonable for the utility model, simple in structure, easy to use, can effectively training student typewriting posture, it is easy to utilize.

Description

It imparts knowledge to students special typing exercising Multi-Function Keyboard

Technical field

The utility model is related to a kind of keyboards, more particularly to a kind of Multi-Function Keyboard of the special typing exercising of teaching.

Background technology

With scientific and technological progress, computer is that office, amusement, social activity and the shopping of people brings great convenience, At for people's lives or work in more and more indispensable apparatus.As computer is in the raising of all trades and professions popularity rate, meter It calculates switch disk and mouse plays great effect as the input equipment of computer in life.And in computer teaching, Typewriting is the most basic introduction knowledge of education for computer, is the Basis of Computer Engineering technical ability that must be grasped.It is right but in teaching process For the primary student of learning computer, finger gesture, this undesirable typewriting often can not be correctly put during typewriting Custom once form, may extreme influence student's later stage typing speed.Therefore, correct finger pendulum when training student is typewrited It is the basic course that teacher teaches that student improves typing speed in a short time to put posture.However, existing keyboard can not correctly be known The finger of other student is put, and the self-consciousness of computer learning person is fully relied on, and the consciousness of computer beginner is weaker, may Great harmful effect can be caused to the later stage typing speed of computer beginner.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, and it is multi-functional to provide a kind of special typing exercising of teaching Keyboard, the keyboard region is simple to operate, multiple functional, is conducive to cultivate the correct computer typewriter method of computer beginner, real Existing fast typing.

In order to achieve the above objectives, the utility model provides a kind of special typing exercising Multi-Function Keyboard of teaching, the keyboard Including keyboard body, keyboard switch, indicator light sheet, touch control area and hand-written area, the keyboard body is connected with power cord, key Multiple keyboards of protrusion are provided on disk ontology, the keyboard body further includes keyboard control circuit, signal control chip With 8 touch sensors, keyboard A, keyboard S, keyboard D, keyboard F, keyboard in the keyboard J, keyboard K, keyboard L and keyboard；It is electrically connected respectively with a touch sensor；The touch sensor and key Disk control circuit is electrically connected, and keyboard control circuit is electrically connected with signal control chip；

When keyboard A, keyboard S, keyboard D, keyboard F, keyboard J, the keyboard in the keyboard Button K, keyboard L and keyboard；Totally 8 buttons, which have when finger placement or only there are one button, does not have finger placement When, touch sensor generates pressure signal and is transmitted to keyboard control circuit, and keyboard control circuit sends keyboard control signals to letter Number control chip, by signal control chip so that keyboard body is in typing position, when more than 1 button in 8 buttons When not having finger placement, controlling chip by signal makes keyboard be locked as non-typing position.

As a kind of optimal technical scheme of the utility model, the hand-written area further includes a felt pen, to hand-written It is realized in area and word is rapidly input.

As a kind of optimal technical scheme of the utility model, the keyboard body further includes a player, the broadcasting It is stored with key letter sound in device and reads aloud information.

As a kind of optimal technical scheme of the utility model, the keyboard body further includes an electronic watch, the electronics Toggling for time and stopwatch may be implemented by electronic watch switch key in table.

As a kind of optimal technical scheme of the utility model, the touch sensor is miniature on-board touch sensing Device.

As a kind of optimal technical scheme of the utility model, the signal control chip is condenser type microcontroller AT89C51。

Advantageous effect：Compared with traditional technology, a kind of special typing exercising Multi-Function Keyboard knot of teaching of the utility model Structure is novel, and design is scientific and reasonable, simple in structure, uses the special typing exercising Multi-Function Keyboard of this teaching person 8 that there was only typing exercising When a induced key has when finger placement or only do not have finger placement there are one button, keyboard can just be made to be in typewriting shape State, the typewriting finger so as to effectively cultivate computer beginner put posture, form correctly typewriting posture, in the future real Existing fast typing plays a crucial role；On the other hand, which collects keyboard, hand-written area and touch control area Integrally, multiple functional, it is easy to utilize.

Description of the drawings

Fig. 1 is a kind of special typing exercising Multi-Function Keyboard structure chart of teaching of the utility model.

Fig. 2 is a kind of keyboard control circuit figure of the special typing exercising Multi-Function Keyboard of teaching of the utility model；

Fig. 3 is that the signal of the utility model controls chip signal circuit connection diagram.

Reference sign：1- keyboard bodies, 2- handwriting inputs area, 3- touch controls area, 4- letter keys, 5- handwriting inputs Pen, 6- players, 7- keyboard switches, 8- indicator lights, 9- electronic watches switch key, 10- electronic watches, USB- data-interfaces, Q1, Q2- Triode, C- capacitances, L- inductance, R- resistance, J- keyboards.

Specific implementation mode

With reference to the accompanying drawings and examples, the technical characteristics of the utility model and advantage are described in more detail.

The special typing exercising Multi-Function Keyboard of this teaching, entire keyboard is by the 5V power voltage supplies of USB port, including keyboard sheet Body 1, keyboard switch 7, indicator light 8, player 6, electronic watch 10, touch control area 3 and hand-written area 2, the keyboard body 1 connect There is power cord, multiple keyboards of protrusion are provided on keyboard body 1, keyboard setting is corresponded in the inside of keyboard body There is corresponding keyboard switch 7, computer cursor can be controlled by touch control area 3, hand-written area 2 may be implemented by writing pencil 5 Handwriting input to rarely used word, the special typing exercising Multi-Function Keyboard of this teaching further include keyboard control circuit, signal control core Piece and 8 touch sensors, keyboard A, keyboard S, keyboard D, keyboard F, keyboard in the keyboard are pressed Key J, keyboard K, keyboard L and keyboard；It is electrically connected respectively with a touch sensor；The touch sensor with Keyboard control circuit is electrically connected, and keyboard control circuit is electrically connected with signal control chip；

When keyboard A, keyboard S, keyboard D, keyboard F, keyboard J, the keyboard in the keyboard Button K, keyboard L and keyboard；Totally 8 buttons, which have when finger placement or only there are one button, does not have finger placement When, touch sensor generates pressure signal and is transmitted to keyboard control circuit, and keyboard control circuit sends keyboard control signals to letter Number control chip, by signal control chip so that keyboard body is in typing position, when more than 1 button in 8 buttons When not having finger placement, controlling chip by signal makes keyboard be locked as non-typing position.

The typing position finger keyboard normal operating conditions of this special typing exercising Multi-Function Keyboard of imparting knowledge to students may be implemented to appointing The editting function of meaning key；Non- typing position finger keyboard is closed, and cannot carry out the input service of letter.

The keyboard control circuit of this special typing exercising Multi-Function Keyboard of imparting knowledge to students is the prior art, including first resistor is to the Five resistance, the first capacitance to the 4th capacitance, 8 be similarly respectively placed in " A, S, D, F, J, K, L,；" condenser type under button AT89C51 system signal controls chip, signal receiving end OUTA, wherein the circuit is connected as：Dual operational amplifier LM358 One end passes through capacitance C3, resistance R4 to ground GND by resistance R2 to power supply VCC, one end of dual operational amplifier LM358；Double fortune It calculates amplifier LM358 and resistance R1 to condenser type list is passed through to electric ground GND, dual operational amplifier LM358 by capacitance C2, resistance R5 Piece machine AT89C51 signals control chip, and dual operational amplifier LM358 is grounded GND；Dual operational amplifier LM358 is connected to power supply Two end VCC, capacitance C1 is connected to power supply VCC and ground GND, the other end of dual operational amplifier LM358 signal output port in order to control.

The signal control chip signal circuit connection diagram of this special typing exercising Multi-Function Keyboard of imparting knowledge to students is the prior art, such as Include operational amplifier module, pressure signal output module, usb signal input module, the operational amplifier shown in Fig. 3 Module includes integrated operational amplifier U71A, and the integrated operational amplifier U71A includes capacitance C4, C5, C6 and C7, inductance L1, Resistance R5, R6, contact connects between the two by in-phase input end pin and inductance L1, the capacitance C4 of the integrated operational amplifier U71A It connects, the resistance R6 and C6 is parallel between R5 and L1；Signal control chip AT89C51 is connected with the base stage of Q1 triodes, Q1 The emitting stage of triode is connected to the port of J keyboards, the ports the P3.7 phase of the base stage and signal control chip AT89C51 of triode Q2 Even, the emitting stage of Q2 triodes is respectively connected to USB data interface and keyboard；(AD8) P1.0 that signal controls chip AT89C51 is logical Resistance R5, switch S1 ground connection are crossed, AT89C51 is connected by R6 with VCC.

Claims (5)

1. a kind of special typing exercising Multi-Function Keyboard of teaching, including keyboard body (1), switch (7), display lamp (8), the key Disk ontology (1) is connected with power cord, and multiple keyboards (1) of protrusion are provided on keyboard body, and the keyboard body also wraps Hand-written area (2) and touch control area (3) are included, for realizing the control to computer cursor, feature exists the touch control area (3) In：

Further include keyboard control circuit, signal control chip and 8 touch sensors, keyboard A, keyboard in the keyboard Button S, keyboard D, keyboard F, keyboard J, keyboard K, keyboard L and keyboard；Respectively with one Touch sensor is electrically connected；The touch sensor is electrically connected with keyboard control circuit, and keyboard control circuit controls core with signal Piece is electrically connected；

When keyboard A, keyboard S, keyboard D, keyboard F, keyboard J, the keyboard in the keyboard K, keyboard L and keyboard；When totally 8 buttons have when finger placement or only do not have finger placement there are one button, Touch sensor generates pressure signal and is transmitted to keyboard control circuit, and keyboard control circuit sends keyboard control signals and gives signal control Coremaking piece, controlling chip by signal makes keyboard body be in typing position, when there is no more than 1 button in 8 buttons When finger is placed, controlling chip by signal makes keyboard be locked as non-typing position.

2. a kind of special typing exercising Multi-Function Keyboard of teaching as described in claim 1, it is characterised in that：Further include for The felt pen (5) rapidly input in hand-written area.

3. a kind of special typing exercising Multi-Function Keyboard of teaching as described in claim 1, it is characterised in that：The keyboard body Further include player (6), being stored with key letter sound in the player (6) reads aloud information.

4. a kind of special typing exercising Multi-Function Keyboard of teaching as described in claim 1, it is characterised in that：The keyboard body (1) further include electronic watch (10), toggling for time and stopwatch may be implemented in the electronic watch.

5. a kind of special typing exercising Multi-Function Keyboard of teaching as described in claim 1, it is characterised in that：The signal control Chip is condenser type AT89C51 system.