CN201260156Y - Pulse control type touch induction keyboard - Google Patents
Pulse control type touch induction keyboard Download PDFInfo
- Publication number
- CN201260156Y CN201260156Y CNU2008200540279U CN200820054027U CN201260156Y CN 201260156 Y CN201260156 Y CN 201260156Y CN U2008200540279 U CNU2008200540279 U CN U2008200540279U CN 200820054027 U CN200820054027 U CN 200820054027U CN 201260156 Y CN201260156 Y CN 201260156Y
- Authority
- CN
- China
- Prior art keywords
- panel
- circuit board
- power supply
- induction keyboard
- cable socket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an impulse control type touch sensor keyboard which comprises a sensor keyboard, a printing circuit board, a panel and a power supply communication cable socket, wherein one surface of the printing circuit board adjacent to the panel is provided with the sensor keyboard comprising a group of touch sensor switch components, and the non-sensor keyboard area of the other surface of the printing circuit board is provided with an impulse encoder, a CPU, a memory unit of the CPU, an impulse encoding chip, a communication chip and a power supply communication cable socket; the CPU and the memory unit of the CPU form electric connections with the sensor keyboard, the power supply communication cable socket, the impulse encoding chip and the communication chip, the impulse encoding chip forms an electric connection with the impulse encoder, and the communication chip forms an electric connection with the power supply communication cable socket; the power supply communication cable socket is connected with a host by a polycore cable; and the printing circuit board is connected with the panel by screws into a whole.
Description
Technical field
The utility model relates to a kind of pulse control type touch induction keyboard that portable instrumentation equipment adopts that is suitable for.
Background technology
The portable tester that uses in the existing rolling stock, because the integrated degree height of function, volume is urinated in advantage such as carrying, and receives praises from customers.But owing to adopted the mechanical type keyboard, and the frequency of utilization of mechanical type keyboard is very high, causes its button malfunctioning suddenly, and its weak point is to exist the reliability of input low and useful life short etc.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, provides a kind of and can improve the keyboard functional reliability and prolong the keyboard pulse control type touch induction keyboard in useful life.
The purpose of this utility model is achieved by following technical proposals: comprise induction keyboard, printed circuit board (PCB), panel and power supply communication cable socket, the one side that described printed circuit board (PCB) and panel are adjacent, the induction keyboard that installation is made up of one group of touch sensible switch element, in the zone of the non-induction keyboard of its other one side, pulse coder, CPU and memory thereof, pulse code chip, communication chip and power supply communication cable socket are installed; Described CPU and memory thereof are electrically connected with induction keyboard, power supply communication cable socket, pulse code chip and communication chip, and the pulse code chip is electrically connected with pulse coder, and communication chip is electrically connected with power supply communication cable socket; Power supply communication cable socket is connected by multicore cable with main frame; Printed circuit board (PCB) and panel connect as one by screw.
The touch sensible switch element of described induction keyboard is arranged on the node of the capable N column matrix of M on the printed circuit board (PCB), the title of sign button on the position of the corresponding touch sensible switch element of panel, after finger touch identifies to these, CPU and memory thereof are sensed this button of finger touch, after handling, encoded radio is sent to main frame by communication chip and power supply communication cable socket.
Described pulse coder is made up of mechanical device, receiving element and light-emitting component, its mechanical device is made up of disk, rotating shaft, knob and rotary shaft rack, disk and rotating shaft are connected as a single entity, be fixed on the printed circuit board (PCB) by rotary shaft rack, on the circumference in the disk one group of printing opacity through hole is set evenly, on the printed circuit board (PCB) of corresponding printing opacity lead to the hole site, light-emitting component is installed,, receiving element is installed with receiving element support cantilever in the other one side corresponding of printing opacity through hole with light-emitting component; Receiving element and light-emitting component are electrically connected with the pulse code chip.
Described panel adopts polymethyl methacrylate or engineering plastics nonmetallic materials to make, its positive printing or spraying marking keys and "+", "-" figure; In the time of outside panel is independent of main frame, the box backboard is set and is combined into one with panel (4).
Compared with prior art, the utlity model has following advantage: simple and reasonable, practicality handsome in appearance, functional reliability height, long service life.Being suitable for various portable instrument equipment uses.
Description of drawings
Fig. 1 is the front view of the utility model one embodiment;
Fig. 2 analyses and observe enlarged diagram for the A-A of Fig. 1;
Fig. 3 is the backsight enlarged diagram of Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
With reference to accompanying drawing, the utility model comprises induction keyboard 2, printed circuit board (PCB) 3, panel 4 and power supply communication cable socket 13, the one side that described printed circuit board (PCB) 3 and panel 4 are adjacent, the induction keyboard 2 that installation is made up of one group of touch sensible switch element, in the zone of the non-induction keyboard 2 of its other one side, pulse coder 1, CPU and memory 14 thereof, pulse code chip 15, communication chip 16 and power supply communication cable socket 13 are installed; Described CPU and memory 14 thereof are electrically connected with induction keyboard 2, power supply communication cable socket 13, pulse code chip 15 and communication chip 16, and pulse code chip 15 is electrically connected with pulse coder 1, and communication chip 16 is electrically connected with power supply communication cable socket 13; Power supply communication cable socket 13 is connected by multicore cable with main frame; Printed circuit board (PCB) 3 and panel 4 connect as one by screw.
The touch sensible switch element of described induction keyboard 2 is arranged on the node of the capable N column matrix of M on the printed circuit board (PCB) 3, the title of sign button on the position of panel 4 corresponding touch sensible switch elements, after finger touch identifies to these, CPU and memory 14 thereof are sensed this button of finger touch, after handling, encoded radio is sent to main frame by communication chip 16 and power supply communication cable socket 13.
Described pulse coder 1 is made up of mechanical device, receiving element 6 and light-emitting component, its mechanical device is made up of disk 11, rotating shaft 8, knob 9 and rotary shaft rack 7, disk 11 is connected as a single entity with rotating shaft 8, be fixed on the printed circuit board (PCB) 3 by rotary shaft rack 7, on the circumference in the disk 11 one group of printing opacity through hole 10 is set evenly, light-emitting component 12 is installed on the printed circuit board (PCB) 3 of corresponding printing opacity through hole 10 positions, in the other one side corresponding of printing opacity through hole 10, receiving element 6 is installed with receiving element support 5 cantilevers with light-emitting component 12; Receiving element 6 and light-emitting component 12 are electrically connected with pulse code chip 15.
Described panel 4 adopts polymethyl methacrylate or engineering plastics nonmetallic materials to make, its positive printing or spraying marking keys and "+", "-" figure; When panel 4 is independent of outside the main frame, the box backboard be set and be combined into one with panel (4), with other components and parts protection in casing.
In the present embodiment: it is the chip of CY8C21434 that the CPU of CPU and memory 14 thereof adopts the model of CYPRESS company.Communication chip 16 adopts the MAX232 chip.Main frame is a special-purpose computer, must load special-purpose software of the present utility model in the computer.During the button of the touch sensible switch element on pressing induction keyboard 2, demonstrate specific dialog box on the display of computer, when dialog box needs input value, induction keyboard 2 is input value directly, and perhaps positive and negative rotation pulse coder 1 increases or reduce the numerical value that shows on the display; When dialog box does not need input value, induction keyboard 2 operate as normal, but the function of pulse coder 1 is closed by the automatic identification of the special-purpose software in the computer.
The step-length that pulse coder 1 increases or reduce the numerical value that shows on the display can be set to 1 or be the multiple of a certain numerical value in advance by special-purpose software.The knob 9 of pulse coder 1 is rotated counterclockwise to increasing numerical value, clockwise direction rotates to be minimizing numerical value, revolution moves a printing opacity through hole 10, the light of light-emitting component 12 and receiving element 6 with regard to break-make once, and receiving element 6 can also be discerned rotating, form pulse current and rotating information sequence delivery in the receiving element 6 and give pulse code chip 15, CPU and memory 14 thereof, communication chip 16, power supply communication cable socket 13 to computer, the special-purpose software in the computer is discerned processing.
Claims (4)
1. pulse control type touch induction keyboard, comprise induction keyboard (2), printed circuit board (PCB) (3), panel (4) and power supply communication cable socket (13), it is characterized in that: described printed circuit board (PCB) (3) and the adjacent one side of panel (4), the induction keyboard that installation is made up of one group of touch sensible switch element (2), in the zone of the non-induction keyboard (2) of its other one side, pulse coder (1), CPU and memory (14) thereof, pulse code chip (15), communication chip (16) and power supply communication cable socket (13) are installed; Described CPU and memory thereof (14) are electrically connected with induction keyboard (2), power supply communication cable socket (13), pulse code chip (15) and communication chip (16), pulse code chip (15) is electrically connected with pulse coder (1), and communication chip (16) is electrically connected with power supply communication cable socket (13); Power supply communication cable socket (13) is connected by multicore cable with main frame; Printed circuit board (PCB) (3) connects as one by screw with panel (4).
2. a kind of pulse control type touch induction keyboard according to claim 1, it is characterized in that: the touch sensible switch element of described induction keyboard (2) is arranged in printed circuit board (PCB) (3) and goes up on the node of the capable N column matrix of M, the title of the station location marker button of the corresponding touch sensible switch element of panel (4).
3. a kind of pulse control type touch induction keyboard according to claim 1 and 2, it is characterized in that: described pulse coder (1) has mechanical device, receiving element (6) and light-emitting component are formed, its mechanical device has disk (11), rotating shaft (8), knob (9) and rotary shaft rack (7) are formed, disk (11) is connected as a single entity with rotating shaft (8), be fixed on the printed circuit board (PCB) (3) by rotary shaft rack (7), on the circumference in the disk (11) one group of printing opacity through hole (10) is set evenly, go up installation light-emitting component (12) at the printed circuit board (PCB) (3) of corresponding printing opacity through hole (10) position, in the other one side corresponding of printing opacity through hole (10), receiving element (6) is installed with receiving element support (5) cantilever with light-emitting component (12); Receiving element (6) and light-emitting component (12) are electrically connected with pulse code chip (15).
4. a kind of pulse control type touch induction keyboard according to claim 3 is characterized in that: described panel (4) adopts polymethyl methacrylate or engineering plastics nonmetallic materials to make, its positive printing or spraying marking keys and "+", "-" figure; When panel (4) is independent of outside the main frame, the box backboard is set and is combined into one with panel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200540279U CN201260156Y (en) | 2008-08-11 | 2008-08-11 | Pulse control type touch induction keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200540279U CN201260156Y (en) | 2008-08-11 | 2008-08-11 | Pulse control type touch induction keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201260156Y true CN201260156Y (en) | 2009-06-17 |
Family
ID=40774394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200540279U Expired - Lifetime CN201260156Y (en) | 2008-08-11 | 2008-08-11 | Pulse control type touch induction keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201260156Y (en) |
-
2008
- 2008-08-11 CN CNU2008200540279U patent/CN201260156Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090617 |