CN208805796U - A kind of touch device and mobile terminal - Google Patents
A kind of touch device and mobile terminal Download PDFInfo
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- CN208805796U CN208805796U CN201821526389.3U CN201821526389U CN208805796U CN 208805796 U CN208805796 U CN 208805796U CN 201821526389 U CN201821526389 U CN 201821526389U CN 208805796 U CN208805796 U CN 208805796U
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Abstract
The utility model provides a kind of touch device and mobile terminal, and wherein device includes: substrate；Substrate includes Touch Zone and the non-touch area around Touch Zone；Multiple first touch control electrodes arranged in the first direction and multiple second touch control electrodes arranged in a second direction are provided in Touch Zone；Electrode driver, multi-channel electronic switch, processor and N number of signal processing circuit are provided in non-touch area；Multiple first touch control electrodes are connect by a plurality of first signal wire with electrode driver；Multi-channel electronic switch includes multiple input terminals and N number of output end, and multiple second touch control electrodes are connect by a plurality of second signal line with the multiple input terminal, and N number of output end is separately connected N number of signal processing circuit, and N number of signal processing circuit is connected to the processor；Corresponding second touch control electrode is gated by setting multi-channel electronic switch and transmits inductive signal, can effectively reduce the quantity of signal processing circuit, and then reduce production cost.
Description
Technical field
The utility model relates to technical field of touch control more particularly to a kind of touch devices and mobile terminal.
Background technique
Capacitance touching control screen is the human-computer interaction input unit in display surface, is widely used because haveing excellent performance.
Capacitance touching control screen obtains the interactive informations such as pressing, scribing line by the induction electrode that a plurality of ranks intersect, row-column electrode
Concentrating can be obtained human-computer interaction information after being sent into controller processing.With reference to Fig. 1, generally using column electrode as emission electrode (letter
Claim TX), row electrode is as receiving electrode (abbreviation RX).Ordinary circumstance downlink number of electrodes is greater than 12 or more, every row electrode
Signal will pass through signal amplifier, filter and analog-digital converter convert after be sent into processor processing.Every row electrode is all only
It is vertical to use signal amplifier, filter and analog-digital converter, so that circuit cost is relatively high.
Utility model content
The purpose of this utility model is that being amplified for above-mentioned touch screen in the prior art using multiple independent signals
The problem of device, filter and analog-digital converter bring high production cost, proposes at a kind of touch device, mobile terminal and signal
Reason method can be effectively reduced the production cost of touch screen.
A kind of touch device, including substrate；
The substrate includes Touch Zone and the non-touch area around the Touch Zone；
It is provided with multiple first touch control electrodes arranged in the first direction in the Touch Zone and multiple arranges in a second direction
The second touch control electrode of column, the first direction and second direction are vertical；
Electrode driver, multi-channel electronic switch, processor and N number of signal processing electricity are provided in the non-touch area
Road；
The multiple first touch control electrode is connect by a plurality of first signal wire with the electrode driver；
The multi-channel electronic switch includes multiple input terminals and N number of output end, and the multiple second touch control electrode passes through more
Bar second signal line is connect with the multiple input terminal, and N number of output end is separately connected N number of signal processing circuit, described N number of
Signal processing circuit is connected to the processor；
The multiple second touch control electrode is divided into M group, and each group includes N number of second touch control electrode, and wherein M is to be greater than or wait
In 2 integer；
The electrode driver is used to carry out the multiple first touch control electrode M scanning, each time scanning while institute
Processor is stated to be electrically connected for controlling multi-channel electronic switch one group of input terminal of gating with N number of output end foundation, it is described
The inductive signal that signal processing circuit is used to receive second touch control electrode generation is handled and is sent to the processor.
Further, first touch control electrode is emission electrode, and second touch control electrode is receiving electrode.
Further, the signal processing circuit includes sequentially connected signal amplifier, filter and analog-to-digital conversion
Device, the signal amplifier are connect with the output end of the multi-channel electronic switch, and the analog-digital converter and the processor connect
It connects.
Further, the processor includes N number of input interface, and N number of analog-digital converter and N number of input interface connect
It connects.
Further, the quantity of the second touch control electrode is M × N number of.
Further, a plurality of first signal wire and a plurality of second signal line are located in the non-touch area.
A kind of mobile terminal, including above-mentioned touch device.
A kind of signal processing method, applied to above-mentioned touch device, which comprises
Processor sends turntable driving order to the electrode driver；
Electrode driver carries out M scanning to the multiple first touch control electrode according to the turntable driving order；
Scanning simultaneous processor sends gating control command to the multi-channel electronic switch each time, and the multichannel electronic is opened
It closes and is electrically connected according to the gating control command one group of input terminal of gating with N number of output end foundation；
Signal processing circuit receives the inductive signal that second touch control electrode generates and is handled and be sent to the processor.
Further, the electrode driver is scanned the multiple first touch control electrode, comprising:
Electrode driver successively sends driving signal to first touch control electrode.
Further, the inductive signal that signal processing circuit receives that second touch control electrode generates is handled, comprising:
Signal processing circuit amplifies the inductive signal, filters and analog-to-digital conversion process.
Touch device, mobile terminal and signal processing method provided by the utility model, include at least it is following the utility model has the advantages that
(1) corresponding second touch control electrode is gated by setting multi-channel electronic switch and transmits inductive signal, can effectively subtracted
The quantity of few signal processing circuit, and then reduce production cost；
(2) by reducing the quantity of signal processing circuit, the space of touch device non-touch area can be saved；
(3) by reducing the quantity of signal processing circuit, it is capable of the signal path of effectively save processor.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of touch device provided by the utility model.
Fig. 2 is a kind of structural schematic diagram of embodiment of signal processing circuit in touch device provided by the utility model.
Fig. 3 is a kind of flow chart of embodiment of signal processing method provided by the utility model.
Fig. 4 is the structural schematic diagram under a kind of application scenarios of touch device provided by the utility model.
Specific embodiment
To keep the purpose of this utility model, technical solution and effect clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only practical to explain
It is novel, it is not used to limit the utility model.
Embodiment one
With reference to Fig. 1, the present embodiment provides a kind of touch devices, including substrate 101；
Substrate 101 includes the Touch Zone 101a and non-touch area 101b around Touch Zone 101a；
Be provided in the 101a of Touch Zone multiple first touch control electrodes 102 arranged in the first direction and it is multiple in a second direction
The second touch control electrode 103 of arrangement, first direction and second direction are vertical；
Electrode driver 104, multi-channel electronic switch 105, processor 106 and N number of letter are provided in non-touch area 101b
Number processing circuit 107；
Multiple first touch control electrodes 103 are connect by a plurality of first signal wire 108 with electrode driver 104；
Multi-channel electronic switch 105 includes multiple input terminals and N number of output end, and multiple second touch control electrodes 103 pass through a plurality of
Second signal line 109 is connect with multiple input terminals, and N number of output end is separately connected N number of signal processing circuit 107, N number of signal processing
Circuit 107 is connect with processor 106；
Multiple second touch control electrodes 103 are divided for M group, and each group includes N number of second touch control electrode, and wherein M is to be greater than or wait
In 2 integer；
Electrode driver 104 is used to carry out multiple first touch control electrodes 102 M scanning, scans while handling each time
Device 106 is electrically connected for controlling the one group of input terminal of gating of multi-channel electronic switch 105 with the foundation of N number of output end, signal processing circuit
107 are handled for receiving the inductive signal of second touch control electrode generation and are sent to processor 106.
Specifically, the quantity of second touch control electrode 103 is M × N number of, and wherein M is the integer more than or equal to 2, specifically
Packet count M is set according to actual conditions, and N is the integer more than or equal to 1.
Further, the first touch control electrode 102 is emission electrode, and second touch control electrode 103 is receiving electrode.
Electrode driver 104 carries out M scanning, processor while scanning each time to multiple first touch control electrodes 102
106 control multi-channel electronic switch 105 gate one group of (N number of) input terminal and are electrically connected with the foundation of N number of output end, and corresponding N number of second
The inductive signal that touch control electrode generates is sent to N number of signal processing circuit and is handled, and is sent to processor later, sweeps when M times
After the completion of retouching, processor receives M group inductive signal, so far completes a signal acquisition.
In a signal acquisition, electrode driver has carried out M scanning to multiple first touch control electrodes, relative to existing
Technology sweep time increased, and verify by test of many times, as the processing speed of existing processor is constantly promoted and risen
Grade, increased sweep time have no influence to the performance of product.
Touch device provided in this embodiment gates corresponding second touch control electrode by setting multi-channel electronic switch and transmits
Inductive signal can effectively reduce the quantity of signal processing circuit, and then reduce production cost, additionally it is possible to save touch-control
The space of device non-touch area, be conducive to product large screen or full frame design.
Further, with reference to Fig. 2, signal processing circuit 107 includes sequentially connected signal amplifier 1071, filter
1072 and analog-digital converter 1073, signal amplifier 1071 connect with the output end of multi-channel electronic switch 105, analog-digital converter
1073 connect with processor 106.
The inductive signal that second touch control electrode 103 generates is by signal amplifier amplification, filter filtering and analog-to-digital conversion
Device is sent to processor after carrying out analog-to-digital conversion.
Further, processor 106 includes N number of input interface, and N number of analog-digital converter 1073 is connect with N number of input interface,
Compared with the existing technology, it is capable of the signal path of effectively save processor.
Further, a plurality of first signal wire 108 and a plurality of second signal line 109 are located in non-touch area 101b.
Touch device provided in this embodiment, include at least it is following the utility model has the advantages that
(1) corresponding second touch control electrode is gated by setting multi-channel electronic switch and transmits inductive signal, can effectively subtracted
The quantity of few signal processing circuit, and then reduce production cost；
(2) by reducing the quantity of signal processing circuit, the space of touch device non-touch area can be saved；
(3) by reducing the quantity of signal processing circuit, it is capable of the signal path of effectively save processor.
Embodiment two
The present embodiment provides a kind of mobile terminals, including the touch device as described in embodiment one.
Mobile terminal provided in this embodiment, including but not limited to mobile phone, tablet computer, display, laptop etc.
Any products or components having a display function.
Embodiment three
With reference to Fig. 3, the present embodiment provides a kind of signal processing method, applied to the touch device as described in embodiment one,
The described method includes:
Step S301, processor send turntable driving order to the electrode driver；
Step S302, electrode driver carry out the multiple first touch control electrode M times according to the turntable driving order
Scanning；
Step S303, scanning simultaneous processor transmission gating control command is described to the multi-channel electronic switch each time
Multi-channel electronic switch gates one group of input terminal according to the gating control command and is electrically connected with N number of output end foundation；
Step S304, signal processing circuit receive the inductive signal that second touch control electrode generates and are handled and be sent to institute
State processor.
Specifically, step S301, processor periodicity sending turntable driving order to electrode driver are executed.
Step S302 is executed, electrode driver carries out the multiple first touch control electrode according to the turntable driving order
M scanning, scanning includes: that electrode driver successively sends driving signal to first touch control electrode each time.
The driving signal is the electric signal of pulse or specific waveforms.
Step S303 is executed, each time scanning simultaneous processor transmission gating control command to the multi-channel electronic switch,
Multi-channel electronic switch gates one group of (N number of) input terminal according to the gating control command and is electrically connected with N number of output end foundation,
The inductive signal that corresponding second touch control electrode generates passes through corresponding channel transfer to signal processing circuit.
Step S304 is executed, signal processing circuit receives the inductive signal that second touch control electrode generates and handled:
The inductive signal is amplified, is filtered and analog-to-digital conversion process.
Inductive signal after processing is sent to processor.
After the completion of M scanning, processor receives M group inductive signal, so far completes a signal acquisition.
Signal processing method provided in this embodiment, include at least it is following the utility model has the advantages that
(1) corresponding second touch control electrode is gated by setting multi-channel electronic switch and transmits inductive signal, can effectively subtracted
The quantity of few signal processing circuit, and then reduce production cost；
(2) by reducing the quantity of signal processing circuit, the space of touch device non-touch area can be saved；
(3) by reducing the quantity of signal processing circuit, it is capable of the signal path of effectively save processor.
Example IV
The present embodiment provides touch device and signal processing method of the concrete application scene to the utility model do into
One step explanation.
With reference to Fig. 4, the capacitance touching control screen that Fig. 4 is one 6 × 8 includes the column reception of 6 row emission electrodes 401 and 8 in Touch Zone
402,6 row emission electrode of electrode is connected to electrode driver 404 by the first signal wire 403, electrode driver 404 also with processing
Device 408 connects.
Multi-channel electronic switch 405 uses 4 knife, 2 throw switch, including 8 input terminals (1-8) and 4 switch contacts, wherein 8
Input terminal and 8 column receiving electrodes 402 are connected by second signal line 406.
It is 2 groups that 8 column receiving electrodes 402, which are divided, therefore the quantity of signal processing circuit 407 is 4,4 signal processing electricity
Road is connected with 4 switch contacts respectively, and signal processing circuit is also connect with processor 408.
Processor 408 sends turntable driving order to electrode driver 404, first progress first time scanning, electrode drive
Device 404 successively sends driving signal to emission electrode, meanwhile, processor sends gating control command to multi-channel electronic switch 405,
4 switch contacts connect input terminal 1,3,5,7, and the inductive signal that corresponding 4 receiving electrodes generate is sent out by corresponding channel
It send to signal processing circuit and is handled, be sent to processor 408.
Second is carried out later to scan, electrode driver 404 successively sends driving signal to emission electrode, meanwhile, it handles
Device sends gating control command to 405,4 switch contacts of multi-channel electronic switch and connects input terminal 2,4,6,8, and corresponding 4 connect
The inductive signal for receiving electrode generation is sent to signal processing circuit by corresponding channel and is handled, and is sent to processor 408,
So far a signal acquisition is completed.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (7)
1. a kind of touch device, which is characterized in that including substrate；
The substrate includes Touch Zone and the non-touch area around the Touch Zone；
It is provided with multiple first touch control electrodes arranged in the first direction in the Touch Zone and multiple arranges in a second direction
Second touch control electrode, the first direction and second direction are vertical；
Electrode driver, multi-channel electronic switch, processor and N number of signal processing circuit are provided in the non-touch area；
The multiple first touch control electrode is connect by a plurality of first signal wire with the electrode driver；
The multi-channel electronic switch includes multiple input terminals and N number of output end, and the multiple second touch control electrode passes through a plurality of the
Binary signal line is connect with the multiple input terminal, and N number of output end is separately connected N number of signal processing circuit, N number of signal
Processing circuit is connected to the processor；
The multiple second touch control electrode is divided into M group, and each group includes N number of second touch control electrode, and wherein M is more than or equal to 2
Integer；
The electrode driver is used to carry out the multiple first touch control electrode M scanning, each time scanning while the place
Reason device is electrically connected for controlling multi-channel electronic switch one group of input terminal of gating with N number of output end foundation, the signal
The inductive signal that processing circuit is used to receive second touch control electrode generation is handled and is sent to the processor.
2. touch device according to claim 1, which is characterized in that first touch control electrode be emission electrode, second
Touch control electrode is receiving electrode.
3. touch device according to claim 1, which is characterized in that the signal processing circuit includes sequentially connected letter
Number amplifier, filter and analog-digital converter, the signal amplifier are connect with the output end of the multi-channel electronic switch, institute
Analog-digital converter is stated to be connected to the processor.
4. touch device according to claim 3, which is characterized in that the processor includes N number of input interface, N number of mould
Number converter is connect with N number of input interface.
5. touch device according to claim 1, which is characterized in that the quantity of the second touch control electrode is M × N number of.
6. touch device according to claim 1, which is characterized in that a plurality of first signal wire and a plurality of second signal
Line is located in the non-touch area.
7. a kind of mobile terminal, which is characterized in that including the touch device as described in claim 1-6 is any.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821526389.3U CN208805796U (en) | 2018-09-17 | 2018-09-17 | A kind of touch device and mobile terminal |
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| CN201821526389.3U CN208805796U (en) | 2018-09-17 | 2018-09-17 | A kind of touch device and mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109388284A (en) * | 2018-09-17 | 2019-02-26 | 深圳市德名利电子有限公司 | A kind of touch device, mobile terminal and signal processing method |
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2018
- 2018-09-17 CN CN201821526389.3U patent/CN208805796U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109388284A (en) * | 2018-09-17 | 2019-02-26 | 深圳市德名利电子有限公司 | A kind of touch device, mobile terminal and signal processing method |
| CN109388284B (en) * | 2018-09-17 | 2024-01-02 | 深圳市德明利技术股份有限公司 | Touch device, mobile terminal and signal processing method |
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Address after: Room 701, 7th floor, Smart Valley Innovation Park, 1010 Bulong Road, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen deminli Technology Co.,Ltd. Address before: 518000, 701, building 7, wisdom Valley Innovation Park, people's street, Longhua District, Shenzhen, Guangdong Patentee before: SHENZHEN DEMINGLI ELECTRONICS Co.,Ltd. |
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Address after: 2501, 2401, block a, building 1, Shenzhen new generation industrial park, 136 Zhongkang Road, Meidu community, Meilin street, Futian District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen deminli Technology Co.,Ltd. Address before: 518000 room 701, 7 / F, wisdom Valley Innovation Park, 1010 Bulong Road, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen deminli Technology Co.,Ltd. |
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Effective date of registration: 20240124 Address after: Room 409, 4th Floor, Building 1, No. 199 Weikang Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 Patentee after: Zhuhai Hongpeihan Electronic Technology Co.,Ltd. Country or region after: China Address before: 2501, 2401, block a, building 1, Shenzhen new generation industrial park, 136 Zhongkang Road, Meidu community, Meilin street, Futian District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen deminli Technology Co.,Ltd. Country or region before: China |
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