CN202142044U - Touch control device and mobile terminal - Google Patents
Touch control device and mobile terminal Download PDFInfo
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- CN202142044U CN202142044U CN201120220801U CN201120220801U CN202142044U CN 202142044 U CN202142044 U CN 202142044U CN 201120220801 U CN201120220801 U CN 201120220801U CN 201120220801 U CN201120220801 U CN 201120220801U CN 202142044 U CN202142044 U CN 202142044U
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Abstract
The utility model provides a touch control device and a mobile terminal. The mobile terminal comprises a touch screen, a touch screen controller and a host computer. The touch screen comprises a plurality of row channels and/or a plurality of column channels for detecting the capacitance variation value of the touch screen. The touch screen controller is connected with the plurality of row channels and/or the plurality of column channels of the touch screen. The touch screen controller scans one part of the channels at a first scanning frame rate so as to obtain a first scanning result. After the touch screen controller determines that an object approaches the touch screen according to the first scanning result and a first threshold value, the touch screen controller scans all the channels of the touch screen at a second scanning frame rate so as to obtain a second scanning result. According to one embodiment of the utility model, the proximity induction of a user is determined. In the absence of approach or touch, a part of the channels are automatically closed and/or the scanning frame rate is lowered. Therefore, the power consumption of the touch control device is obviously reduced without increasing the cost.
Description
Technical field
The utility model relates to electronic equipment manufacturing technology field, particularly a kind of contactor control device and portable terminal.
Background technology
At present the range of application of touch-screen is from the past ATM (automatic teller machine), and minority's business markets such as industrial computer expand to mobile phone rapidly; PDA (personal digital assistant), GPS (GPS), PMP (MP3; Even mass consumption electronic applications such as panel computer MP4 etc.).Be used for touch-screen and have that touch control operation is simple, convenient, the advantage of hommization, so touch-screen is expected to become the best interface of human-computer interaction and in portable set, has obtained widespread use rapidly.
Yet flying power is an important parameters of portable product, and the power consumption of therefore how to save touch-screen becomes more and more important problem.Comparatively common battery saving mode is above screen, to increase a light sensing device at present, can reach the purpose of saving power consumption through induced environment automatic brightness adjustment screen intensity like this.For example for mobile phone, increase an infrared inductor, when the people conversed, people's face can be near screen like this, and this moment, infrared inductor detected the approaching of people's face, can close screen automatically and reach the purpose of saving power consumption.
The shortcoming of prior art is, increase infrared inductor and not only can increase manufacturing cost, and infrared inductor also can consumed power, and the energy consumption that therefore reduces is limited.
The utility model content
The purpose of the utility model is intended to solve at least above-mentioned technological deficiency.
The utility model embodiment first aspect has proposed a kind of contactor control device, comprising: touch-screen, said touch-screen have a plurality of row of channels and/or a plurality of row passage detects in order to the capacitance variations to said touch-screen; Touch screen controller; Said touch screen controller links to each other with said a plurality of row of channels and/or a plurality of row passage; Said touch screen controller with first scanning frame per second scan said touch-screen portion of channel to obtain first scanning result; And judging object is being arranged near after the said touch-screen according to said first scanning result and first threshold, the whole passages that scan said touch-screen with the second scanning frame per second are to obtain second scanning result; And host computer; Said host computer links to each other with said touch screen controller; When said touch screen controller had object to touch said touch-screen according to said second scanning result and second threshold decision, said touch screen controller was sent to said host computer with said second scanning result, and said host computer calculates the coordinate of touch point according to said second scanning result; Wherein, said second threshold value is greater than said first threshold.
The utility model embodiment third aspect has also proposed a kind of portable terminal, and said portable terminal comprises aforesaid contactor control device.
The utility model embodiment is through judging user's proximity induction, and automatic closed portion passage and/or reduction scan frame per second when not closing on or touching, thereby can under the prerequisite that does not increase cost, clearly reduce the power consumption of contactor control device.
Aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize through the practice of the utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage are from obviously with easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the process flow diagram of the control method of the utility model embodiment touch-screen;
Fig. 2 is the synoptic diagram of the utility model embodiment finger near touch-screen and finger touch touch-screen;
Fig. 3 is the structural drawing of the utility model embodiment contactor control device; With
Fig. 4 is the synoptic diagram of row of channels and row passage in the utility model embodiment contactor control device.
Embodiment
Describe the embodiment of the utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
In touch-screen work; Touch screen controller constantly scans user's touch information through the touch-screen detection part; Yet the user does not use the touch function of screen in fact in the time of most of; Such as people when seeing a film, when listening song to see the lyrics, GPS simple navigate the time, so the power consumption that this time, scanning produced is just wasted.To this situation, the utility model embodiment is through judging user's proximity induction, and automatic closed portion passage and/or reduction scan frame per second when not closing on or touching, thereby can clearly reduce the power consumption of contactor control device.And the utility model embodiment detected object near after, therefore get into normal duty at once, if reduced the delay of the staff touch operation that has touch to get into normal operating conditions again and cause.
As shown in Figure 1, the process flow diagram for the control method of the utility model embodiment touch-screen may further comprise the steps:
Step S101, with the portion of channel of the first scanning frame per second touch screen scanning to obtain first scanning result.In an embodiment of the utility model, the portion of channel of touch-screen is meant the odd number of touch-screen or the row of channels and/or the row passage of even number, perhaps refers to the row of channels or the row passage of touch-screen.Wherein, the first scanning frame per second is less than the second scanning frame per second of normal scan.In the utility model embodiment, do not have object near or situation about touching under, through sweep test touch-screen only or reduce the scanning frame per second and reduce the power consumption of this moment.For example; For only scan line passage or row passage, do not need very high precision owing to close on detection, need not the accurate Calculation coordinate; Therefore as long as variation has taken place in the mutual capacitance of line scanning passage or column scan passage, and satisfying corresponding condition, just can to think that object is arranged approaching.The utility model embodiment just can reach the purpose of saving power consumption through the passage and/or the reduction scanning frame per second of closed portion like this.In other embodiment of the utility model, the portion of channel of touch-screen is a part of area relative passage of touch-screen, for example half area relative passage on the touch-screen, or core area relative passage etc.Need to prove that if limit the only portion of channel of touch screen scanning, the upper half area of touch-screen for example then also need be to the user prompt initial touch position, thereby avoids misoperation of users.For example can in instructions, write exactly, after cell phone standby, open the upper half area that touch-screen then should at first touch touch-screen like needs, perhaps also can be simultaneously in enterprising row labels of touch-screen and prompting.
Step S102 has judged whether that according to first scanning result and first threshold object is near touch-screen.If the mutual capacitance of certain row of channels or row passage changes in first scanning result, and variable quantity is greater than first threshold, and then thinking has object near touch-screen, then goes to step S103.If judging does not have object near touch-screen, then continue portion of channel with the first scanning frame per second touch screen scanning.Wherein, detect whether have object near the time passage induction sensitivity higher, promptly first threshold is less than touching second threshold value that is adopted when judging.As shown in Figure 2, when object during near touch-screen its first threshold that adopts be Δ C1, second threshold value that when object touches touch-screen, adopts is Δ C2.As Δ C1≤Δ C, representing promptly that staff has closes on, and makes controller get into normal duty, postpones if reduced by there being touch to get into the staff touch operation that normal operating conditions causes again.
Step S103, if judge object to be arranged near touch-screen, then with whole passages of second scanning frame per second (normal scan frame per second) touch screen scanning to obtain second scanning result.At this moment, the second scanning frame per second is greater than the first scanning frame per second, and whole passages of touch screen scanning, to obtain second scanning result of reaction touch situation.
Whether step S104 has object to touch said touch-screen according to second scanning result and second threshold decision, and wherein, second threshold value is greater than first threshold.When the mutual capacitance variation delta C of certain point in second scanning result (being the point of crossing of row of channels and row passage) detection is Δ C2 greater than second threshold value, explained that object touches touch-screen, then further execution in step S105.Otherwise, if mutual capacitance variation delta C is Δ C2 less than second threshold value, then further execution in step S106.
Step S105 calculates the coordinate of touch point according to second scanning result, continues the whole passages with second scanning frame per second (normal scan frame per second) touch screen scanning afterwards again.
Step S106 continues the whole passages with second scanning frame per second (normal scan frame per second) touch screen scanning, and carries out timing, and judges in Preset Time, whether have object to touch touch-screen.If in Preset Time, have object to touch touch-screen, then calculate the coordinate of touch point.
Step S107, if in Preset Time, there is not object to touch said touch-screen, then closed portion passage and/or reduction scanning frame per second promptly go to step S101.
As shown in Figure 3, be the structural drawing of the utility model embodiment contactor control device.This contactor control device comprises touch-screen 100, touch screen controller 200 and host computer 300.Touch-screen 100 has a plurality of row of channels and/or a plurality of row passage detects in order to the capacitance variations to touch-screen 100.As shown in Figure 4, be the synoptic diagram of row of channels and row passage in the utility model embodiment contactor control device.Representing the scan channel of touch screen controller by row of channels and row passage.The touch sensible detection method needs each row and column all to detect; Row of channels is used for confirming the row coordinate of touch, and the row passage is used for confirming the row-coordinate of touch, thus definite particular location that touches; Judge if only carry out proximity induction, can only adopt line scanning or column scan mode.The touch sensible detection method of mutual capacitance need detect the mutual capacitance that row and column produces, and when carrying out proximity induction, does not need accurate coordinates computed, can close the row of channels and/or the row passage of odd number or even number.Touch-screen is through the passage of closed portion like this, and reduces the scanning frame per second, can reach the purpose of saving power consumption.
In an embodiment of the utility model, the portion of channel of touch-screen 100 is the odd number of touch-screen 100 or the row of channels and the row passage of even number, perhaps, is the row of channels or the row passage of touch-screen 100.
In the preferred embodiment of the utility model, the first scanning frame per second is less than the second scanning frame per second, do not close on or the power consumption of contactor control device when touching thereby further be reduced in.
In an embodiment of the utility model; Touch screen controller 200 also is used for after the whole passages with the second scanning frame per second touch screen scanning; The no touch state time is accumulated; And when accumulated value reached preset value, touch screen controller 200 adopted the portion of channel of the first scanning frame per second touch screen scanning.If take place to touch then with the accumulated value zero clearing.
The kind portable terminal of the utility model embodiment comprises aforesaid contactor control device.
The utility model embodiment is through judging user's proximity induction, and automatic closed portion passage and/or reduction scan frame per second when not closing on or touching, thereby can under the prerequisite that does not increase cost, clearly reduce the power consumption of contactor control device.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained among at least one embodiment or example of the utility model.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described the embodiment of the utility model; For those of ordinary skill in the art; Be appreciated that under the situation of principle that does not break away from the utility model and spirit and can carry out multiple variation, modification, replacement and modification that the scope of the utility model is accompanying claims and be equal to and limit to these embodiment.
Claims (7)
1. a contactor control device is characterized in that, comprising:
Touch-screen, said touch-screen have a plurality of row of channels and/or a plurality of row passage detects in order to the capacitance variations to said touch-screen;
Touch screen controller; Said touch screen controller links to each other with said a plurality of row of channels and/or a plurality of row passage; Said touch screen controller with first scanning frame per second scan said touch-screen portion of channel to obtain first scanning result; And judging object is being arranged near after the said touch-screen according to said first scanning result and first threshold, the whole passages that scan said touch-screen with the second scanning frame per second are to obtain second scanning result; With
Host computer; Said host computer links to each other with said touch screen controller; When said touch screen controller had object to touch said touch-screen according to said second scanning result and second threshold decision, said touch screen controller was sent to said host computer with said second scanning result, and said host computer calculates the coordinate of touch point according to said second scanning result; Wherein, said second threshold value is greater than said first threshold.
2. contactor control device as claimed in claim 1 is characterized in that, the portion of channel of said touch-screen is the odd number of said touch-screen or the row of channels and/or the row passage of even number.
3. contactor control device as claimed in claim 1 is characterized in that, the portion of channel of said touch-screen is the row of channels or the row passage of said touch-screen.
4. contactor control device as claimed in claim 1 is characterized in that, the portion of channel of said touch-screen is a part of area relative passage of said touch-screen.
5. contactor control device as claimed in claim 1 is characterized in that, the said second scanning frame per second is greater than the said first scanning frame per second.
6. like claim 1 or 5 described contactor control devices; It is characterized in that; Said touch screen controller also is used for after scanning whole passages of said touch-screen with the second scanning frame per second; The no touch state time is accumulated, and when accumulated value reached preset value, said touch screen controller adopted the portion of channel of the first scanning frame per second touch screen scanning.
7. a portable terminal is characterized in that, said portable terminal comprises each described contactor control device like claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120220801U CN202142044U (en) | 2011-06-27 | 2011-06-27 | Touch control device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120220801U CN202142044U (en) | 2011-06-27 | 2011-06-27 | Touch control device and mobile terminal |
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| Publication Number | Publication Date |
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| CN202142044U true CN202142044U (en) | 2012-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120220801U Expired - Lifetime CN202142044U (en) | 2011-06-27 | 2011-06-27 | Touch control device and mobile terminal |
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| CN (1) | CN202142044U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855011A (en) * | 2011-06-27 | 2013-01-02 | 比亚迪股份有限公司 | Touch screen control method, touch device and mobile terminal |
| CN104391608A (en) * | 2014-12-10 | 2015-03-04 | 上海天马微电子有限公司 | Touch detection method, touch controller, touch display screen and electronic equipment |
| CN105204703A (en) * | 2015-10-10 | 2015-12-30 | 重庆京东方光电科技有限公司 | Touch detection method and device for touch display screen |
| CN105843201A (en) * | 2016-05-30 | 2016-08-10 | 广东港博电力科技有限公司 | Remote intelligent touch switch |
| WO2019095955A1 (en) * | 2017-11-15 | 2019-05-23 | 南昌黑鲨科技有限公司 | Method and device for identifying touch operation, and computer-readable storage medium |
-
2011
- 2011-06-27 CN CN201120220801U patent/CN202142044U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855011A (en) * | 2011-06-27 | 2013-01-02 | 比亚迪股份有限公司 | Touch screen control method, touch device and mobile terminal |
| CN102855011B (en) * | 2011-06-27 | 2016-01-13 | 比亚迪股份有限公司 | The control method of touch-screen, contactor control device and mobile terminal |
| CN104391608A (en) * | 2014-12-10 | 2015-03-04 | 上海天马微电子有限公司 | Touch detection method, touch controller, touch display screen and electronic equipment |
| CN105204703A (en) * | 2015-10-10 | 2015-12-30 | 重庆京东方光电科技有限公司 | Touch detection method and device for touch display screen |
| US10275091B2 (en) | 2015-10-10 | 2019-04-30 | Boe Technology Group Co., Ltd. | Touch detection method and apparatus for touch display screen |
| CN105843201A (en) * | 2016-05-30 | 2016-08-10 | 广东港博电力科技有限公司 | Remote intelligent touch switch |
| WO2019095955A1 (en) * | 2017-11-15 | 2019-05-23 | 南昌黑鲨科技有限公司 | Method and device for identifying touch operation, 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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200106 Address after: 518119 1 Yanan Road, Kwai Chung street, Dapeng New District, Shenzhen, Guangdong Patentee after: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: BYD Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: BYD Semiconductor Co.,Ltd. Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |
|
| CX01 | Expiry of patent term |