CN204229149U - Touch key-press driving circuit and the control desk be made up of it - Google Patents
Touch key-press driving circuit and the control desk be made up of it Download PDFInfo
- Publication number
- CN204229149U CN204229149U CN201420561956.4U CN201420561956U CN204229149U CN 204229149 U CN204229149 U CN 204229149U CN 201420561956 U CN201420561956 U CN 201420561956U CN 204229149 U CN204229149 U CN 204229149U
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- touch
- touch key
- master controller
- circuit
- interface
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Abstract
The control desk that the utility model discloses a kind of touch key-press driving circuit and be made up of it.Touch key-press driving circuit, comprise several touch key-presss, and with the touch chip that several touch key-presss are electrically connected, also comprise and touch the PS2 interface that is connected of chip, touch between chip and the power supply terminal of PS2 interface and be provided with touch power module, touching chip is CBM7026 cake core.The utility model drives multiple touch key-press by CBM7026 cake core, achieve accurate detection and the driving of touch key-press, CBM7026 cake core is maximum can drive nine touch key-presss, two CBM7026 cake cores can drive altogether 18 touch key-presss, and be USB interface by two chips by PS2 Port transitions, can directly and the circuit communication link such as master controller, there is structure simple, easy to maintenance, good stability, the feature that reliability is high, all right waterproof, the life-span is long, accuracy rate, highly sensitive.
Description
Technical field
The utility model relates to a kind of touch key-press circuit, the control desk more particularly referring to a kind of touch key-press driving circuit and be made up of it.
Background technology
In prior art, mechanical key, uses inconvenience, easily damages, non-watertight, and because mechanical key is when pressing, takies the longer time, causes temporal extension, and this is for the control desk of some matches, existing defects and deficiency.
Therefore, be necessary to develop a kind of novel key circuit.
Utility model content
The purpose of this utility model is the defect overcoming prior art, the control desk providing a kind of touch key-press driving circuit and be made up of it.
For achieving the above object, the utility model is by the following technical solutions:
Touch key-press driving circuit, comprise several touch key-presss, and the touch chip to be electrically connected with several touch key-presss, also comprise the PS2 interface be connected with touch chip, be provided with touch power module between described touch chip and the power supply terminal of PS2 interface, described touch chip is CBM7026 cake core.
Its further technical scheme is: be provided with current-limiting resistance between described touch key-press and touch chip; Described touch power module comprises the diode group of two groups of series connection, and each diode group comprises two 1N4148UBCC type diodes in parallel.
Its further technical scheme is: the touch chip be connected with PS2 interface is two, and the touch key-press that each touch chip connects has nine.
A kind of control desk, comprise master controller, characterized by further comprising the touch circuit be connected with master controller, described touch circuit is aforesaid touch key-press driving circuit.
Its further technical scheme is: be also provided with change-over circuit between described master controller and touch circuit, and described change-over circuit comprises the USB interface be connected with master controller and the PS2 interface be connected with touch circuit.
Its further technical scheme is: described change-over circuit also comprises is located at XC8208 cake core between USB interface and PS2 interface and ATmega88TQFP32 cake core.
Its further technical scheme is: also comprise the mouse, keyboard and the fingerprint instrument that are connected with master controller.
Its further technical scheme is: also comprise USB interface is turned 4 tunnels deconcentrator by 1 tunnel, described deconcentrator is provided with a upper interface be connected with master controller, and with four the next interfaces, four described the next interfaces respectively with touch circuit, mouse, keyboard and fingerprint instrument be electrically connected.
Its further technical scheme is: also comprise the power amplifier be connected with master controller, and the loudspeaker be connected with power amplifier.
Its further technical scheme is: also comprise the bar code scan rifle be connected with master controller serial ports, and provides the power circuit of power supply for master controller; Also comprise the control knob be connected with master controller.
The utility model beneficial effect is compared with prior art: the utility model drives multiple touch key-press by CBM7026 cake core, achieve accurate detection and the driving of touch key-press, CBM7026 cake core is maximum can drive nine touch key-presss, two CBM7026 cake cores can drive altogether 18 touch key-presss, and be USB interface by two chips by PS2 Port transitions, can directly and the circuit communication link such as master controller, there is structure simple, easy to maintenance, good stability, the feature that reliability is high, all right waterproof, life-span is long, accuracy rate, highly sensitive.The utility model control desk additionally uses USB interface is turned 4 tunnels deconcentrator by 1 tunnel, makes main controller only need a USB port just can carry out communication link with touch key-press, mouse, keyboard and fingerprint instrument.By the bar code scan rifle be provided with, can also read the information of various bar code, this control desk is particularly suitable for the sports tournament of the mechanism such as school or sports.18 touch key-presss of this control desk can be used for the operations such as start, shutdown, transmitting, reception, may be used on a control panel, can be furnished with printing, registration, pairing, transmission, setting, the buttons such as function, can also be furnished with the numerical key input of 0-9.Other conventional peripheral equipment can also be connect by USB interface and serial communication interface.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the block scheme of the utility model control desk specific embodiment;
The touch key-press Part I of the circuit theory diagrams of the touch key-press driving circuit that Fig. 2 adopts for the utility model control desk;
First touch chip part of the circuit theory diagrams of the touch key-press driving circuit that Fig. 3 adopts for the utility model control desk and touch power module part;
The touch key-press Part II of the circuit theory diagrams of the touch key-press driving circuit that Fig. 4 adopts for the utility model control desk;
The touch key-press Part II of the circuit theory diagrams of the touch key-press driving circuit that Fig. 5 adopts for the utility model control desk;
Fig. 6 is the power module part of the circuit theory diagrams of the utility model control desk specific embodiment;
Fig. 7 is change-over circuit and the control knob part of the circuit theory diagrams of the utility model control desk specific embodiment;
Fig. 8 is the barcode scanner of the circuit theory diagrams of the utility model control desk specific embodiment, mouse, keyboard and fingerprint instrument part;
Fig. 9 is the USB interface of the circuit theory diagrams of the utility model control desk specific embodiment is turned 4 tunnels deconcentrator part (have employed GL850A cake core) by 1 tunnel;
Figure 10 is the power amplifier part of the two-way of the circuit theory diagrams of the utility model control desk specific embodiment.
Reference numeral
10 master controllers 20 touch circuit
21 touch key-presss 22 touch chip
23 PS2 interfaces 24 touch power module
30 change-over circuit 41 mouses
42 keyboard 43 fingerprint instruments
44 bar code scan rifle 45 control knobs
50 power circuit 60 deconcentrators
70 power amplifier 71 loudspeakers
46 display screens
Embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment the technical solution of the utility model being introduced further and illustrating, but being not limited to this.
As shown in Figures 1 to 10, a kind of control desk of the utility model, comprise master controller 10, also comprise the touch circuit 20 be connected with master controller 10, touching circuit 20 is touch key-press driving circuit, it comprises 18 touch key-presss 21 (being divided into two groups), and two that to be electrically connected with 18 touch key-presss touch chip 22, also comprise the PS2 interface 23 be connected with touch chip 22, be provided with between touch chip 22 and the power supply terminal of PS2 interface 23 and touch power module 24, touching chip 22 is CBM7026 cake core.Current-limiting resistance is provided with between touch key-press 21 and touch chip 22; Touch the diode group that power module 24 comprises two groups of series connection, each diode group comprises two 1N4148UBCC type diodes in parallel.
Also be provided with change-over circuit 30 between master controller 10 and touch circuit 20, change-over circuit comprises the USB interface be connected with master controller and the PS2 interface be connected with touch circuit.Change-over circuit includes is located at XC8208 cake core between USB interface and PS2 interface and ATmega88TQFP32 cake core.
Also comprise the mouse 41, keyboard 42 and the fingerprint instrument 43 that are connected with master controller 10 by USB interface; Also comprise the bar code scan rifle 44 be connected with master controller 10 serial ports, and provide the power circuit 50 of power supply for master controller; Also comprise the control knob 45 be connected with master controller 10.
Also comprise USB interface is turned 4 tunnels deconcentrator 60 by 1 tunnel, deconcentrator 60 is provided with a upper interface be connected with master controller, and with four the next interfaces, four the next interfaces are electrically connected with touch circuit 20, mouse 41, keyboard 42 and fingerprint instrument 43 respectively.Also comprise the power amplifier 70 be connected with master controller, and the loudspeaker 71 be connected with power amplifier 70.
In other embodiment, the quantity of each components and parts above can be changed, to coordinate the user demand of different places.
In sum, the utility model drives multiple touch key-press by CBM7026 cake core, achieve accurate detection and the driving of touch key-press, CBM7026 cake core is maximum can drive nine touch key-presss, two CBM7026 cake cores can drive altogether 18 touch key-presss, and be USB interface by two chips by PS2 Port transitions, can directly and the circuit communication link such as master controller, there is structure simple, easy to maintenance, good stability, the feature that reliability is high, all right waterproof, life-span is long, accuracy rate, highly sensitive.The utility model control desk additionally uses USB interface is turned 4 tunnels deconcentrator by 1 tunnel, makes main controller only need a USB port just can carry out communication link with touch key-press, mouse, keyboard and fingerprint instrument.By the bar code scan rifle be provided with, can also read the information of various bar code, this control desk is particularly suitable for the sports tournament of the mechanism such as school or sports.18 touch key-presss of this control desk can be used for the operations such as start, shutdown, transmitting, reception, may be used on a control panel, can be furnished with printing, registration, pairing, transmission, setting, the buttons such as function, can also be furnished with the numerical key input of 0-9.Other conventional peripheral equipment can also be connect by USB interface and serial communication interface.
Above-mentionedly only further illustrate technology contents of the present utility model with embodiment; so that reader is easier to understand; but do not represent embodiment of the present utility model and be only limitted to this, any technology done according to the utility model extends or recreation, all by protection of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. touch key-press driving circuit, it is characterized in that comprising several touch key-presss, and the touch chip to be electrically connected with several touch key-presss, also comprise the PS2 interface be connected with touch chip, be provided with touch power module between described touch chip and the power supply terminal of PS2 interface, described touch chip is CBM7026 cake core.
2. touch key-press driving circuit according to claim 1, is characterized in that described touch key-press and touches between chip being provided with current-limiting resistance; Described touch power module comprises the diode group of two groups of series connection, and each diode group comprises two 1N4148UBCC type diodes in parallel.
3. touch key-press driving circuit according to claim 1, is characterized in that the touch chip be connected with PS2 interface is two, and the touch key-press that each touch chip connects has nine.
4. a control desk, comprises master controller, characterized by further comprising the touch circuit be connected with master controller, and described touch circuit is the touch key-press driving circuit described in claim 1,2 or 3.
5. control desk according to claim 4, is characterized in that described master controller and touches between circuit being also provided with change-over circuit, and described change-over circuit comprises the USB interface be connected with master controller and the PS2 interface be connected with touch circuit.
6. control desk according to claim 5, is characterized in that described change-over circuit also comprises and is located at XC8208 cake core between USB interface and PS2 interface and ATmega88TQFP32 cake core.
7. control desk according to claim 4, characterized by further comprising the mouse, keyboard and the fingerprint instrument that are connected with master controller.
8. control desk according to claim 7, characterized by further comprising USB interface is turned 4 tunnels deconcentrator by 1 tunnel, described deconcentrator is provided with a upper interface be connected with master controller, and with four the next interfaces, four described the next interfaces respectively with touch circuit, mouse, keyboard and fingerprint instrument be electrically connected.
9. control desk according to claim 4, characterized by further comprising the power amplifier be connected with master controller, and the loudspeaker be connected with power amplifier.
10. control desk according to claim 4, characterized by further comprising the bar code scan rifle be connected with master controller serial ports, and provides the power circuit of power supply for master controller; Also comprise the control knob be connected with master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561956.4U CN204229149U (en) | 2014-09-26 | 2014-09-26 | Touch key-press driving circuit and the control desk be made up of it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561956.4U CN204229149U (en) | 2014-09-26 | 2014-09-26 | Touch key-press driving circuit and the control desk be made up of it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204229149U true CN204229149U (en) | 2015-03-25 |
Family
ID=52927223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420561956.4U Expired - Fee Related CN204229149U (en) | 2014-09-26 | 2014-09-26 | Touch key-press driving circuit and the control desk be made up of it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204229149U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104866315A (en) * | 2015-05-29 | 2015-08-26 | 上海亿耀电子有限公司 | Scheme of multi-key combination communication control key and lamp based on TwinCAT platform |
| CN110971225A (en) * | 2019-12-17 | 2020-04-07 | 珠海格力电器股份有限公司 | Touch key anti-interference method and circuit |
| CN111530067A (en) * | 2020-04-02 | 2020-08-14 | 努比亚技术有限公司 | Method for controlling game by multiple keys, mobile terminal and computer readable storage medium |
-
2014
- 2014-09-26 CN CN201420561956.4U patent/CN204229149U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104866315A (en) * | 2015-05-29 | 2015-08-26 | 上海亿耀电子有限公司 | Scheme of multi-key combination communication control key and lamp based on TwinCAT platform |
| CN104866315B (en) * | 2015-05-29 | 2018-11-09 | 上海亿耀电子有限公司 | Device based on TwinCAT platform multikey combined communication control button and lamp |
| CN110971225A (en) * | 2019-12-17 | 2020-04-07 | 珠海格力电器股份有限公司 | Touch key anti-interference method and circuit |
| CN111530067A (en) * | 2020-04-02 | 2020-08-14 | 努比亚技术有限公司 | Method for controlling game by multiple keys, mobile terminal and computer readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20160926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |