CN209373570U - A kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning - Google Patents
A kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning Download PDFInfo
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- CN209373570U CN209373570U CN201920040013.XU CN201920040013U CN209373570U CN 209373570 U CN209373570 U CN 209373570U CN 201920040013 U CN201920040013 U CN 201920040013U CN 209373570 U CN209373570 U CN 209373570U
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- inductor
- control plate
- capacitive touch
- touch control
- alternating expression
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Abstract
The utility model relates to Trackpad circuit element technical fields; and disclose a kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning; including capacitive touch control plate; plastic protective layer is fixedly installed at the top of the capacitive touch control plate; the output end of capacitive touch control plate is electrically connected with computer; the capacitive touch control plate includes touch controller and control unit, and the output end of touch controller is electrically connected with processor, and the output end of processor and the input terminal of computer are electrically connected.The capacitive touch control plate of the twin shaft unequal interval alternating expression sensitive scanning, pass through the setting arranged using the first inductor, the second inductor, third inductor and the 4th inductor with unequal interval alternating expression, the quantity for avoiding inductor is more, corresponding and line quantity is more, application circuit in the controller of Trackpad is also and then complicated, therefore the size of chip, manufacture and packaging cost also opposite the problem of improving, substantially increase the practicability of the device.
Description
Technical field
The utility model relates to Trackpad circuit element technical field, specially a kind of twin shaft unequal interval alternating expression induction
The capacitive touch control plate of scanning.
Background technique
Trackpad is a kind of input equipment being widely used on electronic product.It is controlled using the movement of user's finger
The movement of pointer.Existing Trackpad has resistance-type, electromagnetic type and three kinds of condenser type.
Conventional condenser Trackpad passes through the capacitance change for having many inductors of detection matrix form configuration, judges finger
The position of panel is touched, and its amount of movement and movement speed are judged by the change in location that finger touches.On capacitive touch control plate
There are multiple inductors, each inductor respectively corresponds to an independent trace, the trace structure scan line in a row.When finger touches
Position in capacitive panels generates the maximum position of capacitance change and also moves, by the variation of the position of finger touching
Judge its amount of movement and movement speed, Z axis signal is sent out after conversion.
When the quantity of inductor is more, corresponding and line quantity is more, the application circuit in the controller of Trackpad
And then complicated, therefore the size of chip, manufacture and packaging cost also opposite raising.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of electricity of twin shaft unequal interval alternating expression sensitive scanning
Appearance formula Trackpad, number of traces can be reduced by having, and application circuit is simple, low in cost and easily whole with general Z axis mouse circuit
The advantages that conjunction, the quantity for solving inductor is more, and corresponding and line quantity is more, the application electricity in the controller of Trackpad
Road is also and then complicated, therefore the size of chip, manufacture and packaging cost also opposite the problem of improving.
For realize it is above-mentioned can reduce number of traces, application circuit is simple, it is low in cost and easily with general Z axis mouse circuit
Purpose is integrated, the utility model provides the following technical solutions: a kind of capacitive touch of twin shaft unequal interval alternating expression sensitive scanning
Plate, including capacitive touch control plate are controlled, is fixedly installed with plastic protective layer, the capacitive touch at the top of the capacitive touch control plate
The output end of control plate is electrically connected with computer, and the capacitive touch control plate includes touch controller and controls unit, the touch controller
Output end is electrically connected with processor, and the output end of the processor and the input terminal of computer are electrically connected, the processor
Output end is successively electrically connected with first axle inductor and the second axis inductor positioned at capacitance touching control intralamellar part, and described first
The output shaft of axis inductor is successively electrically connected with the first inductor and the second inductor positioned at capacitance touching control intralamellar part, institute
The output shaft for stating the second axis inductor is successively electrically connected with to be felt positioned at the third inductor of capacitance touching control intralamellar part and the 4th
Answer device, first inductor, the second inductor, the output end of third inductor and the 4th inductor are defeated with control unit
Enter end to be electrically connected.
Preferably, the top of the capacitive touch control plate is successively fixedly installed with touch-control left button from left to right and touch-control is right
Key, the touch-control left button and touch-control right button are located at the lower section of plastic protective layer.
Preferably, first inductor, the second inductor, third inductor and the 4th inductor are interlocked with unequal interval
Formula is arranged.
Preferably, the first axle inductor and the second axis inductor are arranged with unequal interval alternating expression.
Preferably, the outer surface of the plastic protective layer is fixedly installed with anti-slip layer, and the area of plastic protective layer is greater than
The area of touch-control left button and touch-control right button.
Preferably, the capacitive touch control plate is polyethylene board, and the bottom of capacitive touch control plate is fixedly installed with touch-control
Device.
Compared with prior art, the utility model provides a kind of condenser type of twin shaft unequal interval alternating expression sensitive scanning
Trackpad, have it is following the utility model has the advantages that
1, the capacitive touch control plate of the twin shaft unequal interval alternating expression sensitive scanning, by utilizing the first inductor, second
The setting that inductor, third inductor and the 4th inductor are arranged with unequal interval alternating expression, avoids the number of inductor
Amount is more, and corresponding and line quantity is more, and the application circuit in the controller of Trackpad is also and then complicated, therefore the ruler of chip
Very little, manufacture and packaging cost also opposite the problem of improving substantially increase the practicability of the device.
2, the capacitive touch control plate of the twin shaft unequal interval alternating expression sensitive scanning passes through setting first axle inductor and the
The setting that two axis inductors are arranged with unequal interval alternating expression, can produce so that finger slides on capacitive touch control plate
Cyclical signal is not required to that the design of mouse Z axis can be easily achievable through complicated circuit computing, and it is single to solve well known multi-thread mark
Sensitive scanning needs that the problem of sending out Z axis signal can be emulated by extremely complex circuit computing and conversion process, mentions significantly
The high practicability of the device.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is 1 diagrammatic cross-section of the utility model structure chart；
Fig. 3 is the utility model structure of block diagram schematic diagram.
In figure: 1 capacitive touch control plate, 2 plastic protective layers, 3 touch-control left buttons, 4 touch-control right buttons, 5 computers, 6 touch controllers, at 7
Manage device, 8 first axle inductors, 9 second axis inductors, 10 first inductors, 11 second inductors, 12 third inductors, 13 the
Four inductors, 14 control units, 15 anti-slip layers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, a kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning, including capacitive touch
Plate 1 is controlled, the top of capacitive touch control plate 1 is fixedly installed with plastic protective layer 2, and capacitive touch control plate 1 is polyethylene board, and capacitor
The bottom of formula Trackpad 1 is fixedly installed with touch controller 6, using the setting of capacitive touch control plate 1, avoids the reaction of processor 7 and produces
The problem of hot excessively high damage capacitive touch control plate 1, the safety of the device is substantially increased, the outer surface of plastic protective layer 2 is solid
Dingan County is equipped with anti-slip layer 15, and the area of plastic protective layer 2 is greater than the area of touch-control left button 3 and touch-control right button 4, utilizes anti-slip layer
15 setting is avoided because finger slides too fast, the problem of signal reaction frequency is too fast to cause computer 5 to damage, is greatly improved
The safety of the device, the top of capacitive touch control plate 1 are successively fixedly installed with touch-control left button 3 and touch-control right button from left to right
4, the lower section that touch-control left button 3 and touch-control right button 4 are located at plastic protective layer 2 is made using touch-control left button 3 and touch-control right button 4 is provided with
Obtaining can be realized by touch-control left button 3 and touch-control right button 4 and be integrated with general Z axis mouse circuit, substantially increase the device
Practicability, the output end of capacitive touch control plate 1 is electrically connected with computer 5, and capacitive touch control plate 1 includes touch controller 6 and control
Unit 14, the output end of touch controller 6 are electrically connected with processor 7, and the output end of processor 7 electrically connects with the input terminal of computer 5
It connects, the output end of processor 7 is successively electrically connected with first axle inductor 8 and the second axis inside capacitive touch control plate 1
Inductor 9, first axle inductor 8 and the second axis inductor 9 are arranged with unequal interval alternating expression, so that finger is in condenser type
Sliding on Trackpad 1 can produce cyclical signal, be not required to that setting for mouse Z axis can be easily achievable through complicated circuit computing
Meter, substantially increases the practicability of the device, the output shaft of first axle inductor 8 is successively electrically connected with positioned at capacitance touching control
The first inductor 10 and the second inductor 11 inside plate 1, the output shaft of the second axis inductor 9, which is successively electrically connected with, is located at electricity
Third inductor 12 and the 4th inductor 13 inside appearance formula Trackpad 1, the first inductor 10, the second inductor 11, third sense
Input terminal of the output end of device 12 and the 4th inductor 13 with control unit 14 is answered to be electrically connected, the first inductor 10, second
Inductor 11, third inductor 12 and the 4th inductor 13 are arranged with unequal interval alternating expression, utilize multiple inductors
Setting is avoided when the quantity of inductor is more, and corresponding and line quantity is more, the application circuit in the controller of Trackpad
Also and then complexity, therefore the size of chip, manufacture and packaging cost also opposite the problem of improving, substantially increase the reality of the device
The property used.
When work, generation cyclical signal is slided on capacitive touch control plate 1 by finger first, so that touch controller 6 will
Signal passes to first axle inductor 8 and the second axis inductor 9, so that the first inductor 10, the second inductor 11, third
Inductor 12 and the 4th inductor 13, which pass to signal, controls unit 14, finally passes to computer 5 into the processing of processor 7 excessively,
?.
In conclusion the capacitive touch control plate of the twin shaft unequal interval alternating expression sensitive scanning, using the first inductor 10,
The setting that second inductor 11, third inductor 12 and the 4th inductor 13 are arranged with unequal interval alternating expression, avoids
The quantity of inductor is more, and corresponding and line quantity is more, and the application circuit in the controller of Trackpad is also and then complicated, because
The size of this chip, manufacture and packaging cost also opposite the problem of improving, substantially increase the practicability of the device；Pass through setting
The setting that first axle inductor 8 and the second axis inductor 9 are arranged with unequal interval alternating expression, so that referring in capacitance touching control
Sliding on plate 1 can produce cyclical signal, be not required to that the design of mouse Z axis can be easily achievable through complicated circuit computing, solution
The certainly well known multi-thread single sensitive scanning of mark needs that submitting Z axis can be emulated by extremely complex circuit computing and conversion process
The problem of signal, substantially increases the practicability of the device；The quantity for solving inductor is more, and corresponding and line quantity is got over
More, also and then complexity, therefore the size of chip, manufacture also mention the application circuit in the controller of Trackpad relatively with packaging cost
High problem.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning, including capacitive touch control plate (1), feature
Be: being fixedly installed with plastic protective layer (2) at the top of the capacitive touch control plate (1), the capacitive touch control plate (1) it is defeated
Outlet is electrically connected with computer (5), and the capacitive touch control plate (1) includes touch controller (6) and control unit (14), the touch-control
The output end of device (6) is electrically connected with processor (7), and the input terminal of the output end and computer (5) of the processor (7) electrically connects
It connects, the output end of the processor (7) is successively electrically connected with the first axle inductor internal positioned at capacitive touch control plate (1)
(8) it is successively electrically connected with the second axis inductor (9), the output shaft of the first axle inductor (8) positioned at capacitance touching control
Plate (1) internal the first inductor (10) and the second inductor (11), the output shaft of the second axis inductor (9) are successively electrical
It is connected with and is located at capacitive touch control plate (1) internal third inductor (12) and the 4th inductor (13), first inductor
(10), the output end of the second inductor (11), third inductor (12) and the 4th inductor (13) with control unit (14)
Input terminal is electrically connected.
2. a kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning according to claim 1, feature
Be: the top of the capacitive touch control plate (1) is successively fixedly installed with touch-control left button (3) and touch-control right button (4) from left to right,
The touch-control left button (3) and touch-control right button (4) are located at the lower section of plastic protective layer (2).
3. a kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning according to claim 1, feature
Be: first inductor (10), the second inductor (11), third inductor (12) and the 4th inductor (13) are between non-etc.
It is arranged every alternating expression.
4. a kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning according to claim 1, feature
Be: the first axle inductor (8) and the second axis inductor (9) are arranged with unequal interval alternating expression.
5. a kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning according to claim 1, feature
Be: the outer surface of the plastic protective layer (2) is fixedly installed with anti-slip layer (15), and the area of plastic protective layer (2) is greater than
The area of touch-control left button (3) and touch-control right button (4).
6. a kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning according to claim 1, feature
Be: the capacitive touch control plate (1) is polyethylene board, and the bottom of capacitive touch control plate (1) is fixedly installed with touch controller
(6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040013.XU CN209373570U (en) | 2019-01-10 | 2019-01-10 | A kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040013.XU CN209373570U (en) | 2019-01-10 | 2019-01-10 | A kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209373570U true CN209373570U (en) | 2019-09-10 |
Family
ID=67825204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920040013.XU Active CN209373570U (en) | 2019-01-10 | 2019-01-10 | A kind of capacitive touch control plate of twin shaft unequal interval alternating expression sensitive scanning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209373570U (en) |
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2019
- 2019-01-10 CN CN201920040013.XU patent/CN209373570U/en active Active
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