CN110362254A - A kind of touch brightness regulating circuit and method - Google Patents
A kind of touch brightness regulating circuit and method Download PDFInfo
- Publication number
- CN110362254A CN110362254A CN201910646795.6A CN201910646795A CN110362254A CN 110362254 A CN110362254 A CN 110362254A CN 201910646795 A CN201910646795 A CN 201910646795A CN 110362254 A CN110362254 A CN 110362254A
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- Prior art keywords
- touch
- brightness
- regulating circuit
- chip
- computer platform
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
Abstract
Useful luminance regulation technology of the present invention field more particularly to a kind of touch brightness regulating circuit and method；The present invention achievees the purpose that lighten brightness and dims brightness using touch chip realization by way of touch, it touches the analog touch signal that chip receives metal touch piece and is converted into digital touch signal, the microprocessor of X86 computer platform learns that the corresponding metal touch piece receives analog touch signal according to the digital touch signal for the multiple digital output ends output for touching chip, the microprocessor of X86 computer platform sets the function of corresponding metal touch piece, it lightens brightness or dims brightness, brightness is lightened by the corresponding metal touch piece realization of touch and dims brightness to the greatest extent；Circuit is simple, at low cost, small in size, improves user experience, and applicability is extensive.
Description
Technical field
The invention belongs to brightness regulation technical field more particularly to a kind of touch brightness regulating circuit and methods.
Background technique
All-in-one machine complete product is more more and more universal, not only uses in the family, but also leads in industrial applications such as advertisement, medical treatment
The application in domain is also more and more common, and these products relatively mostly use LVDS display screen, and size generally cun is differed from 24 cun to 60, this
Require the computer motherboard for being assemblied in all-in-one machine complete product that must have the function of LVDS backlight adjusting.
Patent No.: 201410265684.8 Chinese patent is to be no longer satisfied people by switch for adjusting luminance
Use demand, this kind of switching regulator regulative mode eliminated by the progress of science and technology, and has also seriously affected product
Beauty, often since it is desired that it is beautiful and the behind of button design to product, use up and cause the difficulty of operation exception.
Summary of the invention
The purpose of the present invention is to provide a kind of touch brightness regulating circuit and methods, it is intended to solve due to the prior art
A kind of effectively touch brightness regulating circuit and method can not be provided, cause adjusting brightness extremely difficult, influence the beauty of product
It sees, the bad problem of user experience.
The present invention provides a kind of touch brightness regulating circuit and methods, including the micro process with X86 computer platform
The brightness regulating circuit of device connection, wherein the brightness regulating circuit is described to lighten brightness for lightening brightness and dimming brightness
It dims brightness with described and is adjusted by way of touch；
The brightness regulating circuit includes touching chip and multiple metal touch pieces；The multiple analog quantitys for touching chip
Input terminal is respectively connected with first capacitor and the metal touch piece or first resistor, the other end ground connection of the first capacitor；
The touch chip is used to the analog touch signal that the metal touch piece receives being converted into digital touch
Signal, it is described touch chip multiple digital output ends connect with the microprocessor of the X86 computer platform, be used for
The microprocessor of the X86 computer platform carries out communication and sends the digital touch signal；The X86 computer platform
Microprocessor is learnt corresponding according to the digital touch signal of the multiple digital output ends output for touching chip
The metal touch piece receives the analog touch signal；The microprocessor setting corresponding one of the X86 computer platform
A or multiple metal touch pieces are described to lighten brightness or described dim brightness.
Touch brightness regulating circuit of the present invention and method, wherein the first capacitor touches spirit for improving
The capacity of sensitivity, the first capacitor is 10PF and the smaller touch sensitivity of capacity is higher.
Touch brightness regulating circuit of the present invention and method, wherein the first end of the first resistor with it is described
The connection of analog input end and second end for touching chip are connect with the metal touch piece, and the first resistor is used for wave resistance
It gushes, the resistance value of the first resistor is 200 Ω to 10K Ω.
Touch brightness regulating circuit of the present invention and method, wherein multiple described uniform a pair of metal touch piece
It should be connected with Transient Suppression Diode, the other end ground connection of the Transient Suppression Diode, the Transient Suppression Diode is used for
Surge protection.
Touch brightness regulating circuit of the present invention and method, wherein described to lighten brightness and described dim brightness
It can also be adjusted in such a way that sliding touches, multiple metal touch pieces are in linear type or arc shooting, the X86
The microprocessor of computer platform sets the direction that sliding touches and lightens brightness described in or described dim brightness.
Touch brightness regulating circuit of the present invention and method, wherein the microprocessor of the X86 computer platform
According to sliding touch direction and the length or sliding that have been slid over speed, it is corresponding chiseled gradually to lighten brightness or chisel gradually adjust
Dark brightness.
Touch brightness regulating circuit of the present invention and method, wherein the multiple digital quantities for touching chip are defeated
Outlet is respectively connected with pull-up resistor, and the other end of the pull-up resistor and the anode of power supply connect, the cathode ground connection of the power supply；
The resistance value of the pull-up resistor is more than 10K Ω.
Touch brightness regulating circuit of the present invention and method, wherein the multiple digital quantities for touching chip are defeated
Outlet and multiple ports I/O of the microprocessor of the X86 computer platform connect one to one.
Touch brightness regulating circuit of the present invention and method, wherein the multiple analog quantitys for touching chip are defeated
Entering end is respectively the end CS1, the end CS2, the end CS3, the end CS4；The multiple digital output ends for touching chip are respectively the end OUT1,
The end OUT2, the end OUT3, the end OUT4；The multiple analog output ends for touching chip and multiple digital output ends one are a pair of
It answers.
Touch brightness regulating circuit of the present invention and method, wherein the microprocessor of the X86 computer platform
According to the sequence and speed of the digital simulation signal of the multiple digital output ends output for touching chip, chiseled
It gradually lightens brightness or chisels and gradually dim brightness.
The present invention achievees the purpose that lighten brightness and dims brightness using touch chip realization by way of touch, touches
The analog touch signal that chip receives metal touch piece is converted into digital touch signal, micro- place of X86 computer platform
Reason device learns the corresponding metal touch according to the digital touch signal for the multiple digital output ends output for touching chip
Piece receives analog touch signal, and the microprocessor of X86 computer platform sets the function of corresponding metal touch piece, that is, lightens
Brightness dims brightness, lightens brightness to the greatest extent by the corresponding metal touch piece realization of touch and dims brightness；Circuit is simple, at
This is low, small in size, improves user experience, applicability is extensive.
Detailed description of the invention
Fig. 1 is the circuit diagram of the touch chip of touch brightness regulating circuit provided in an embodiment of the present invention and method；
Fig. 2 is micro- place of the X86 computer platform of touch brightness regulating circuit provided in an embodiment of the present invention and method
Manage the circuit diagram of device.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific implementation of the invention is described in detail below in conjunction with specific embodiment:
Figures 1 and 2 show that the circuit theory of touch brightness regulating circuit provided in an embodiment of the present invention and method, is
Convenient for explanation, only parts related to embodiments of the present invention are shown, details are as follows:
Including the brightness regulating circuit 100 that the microprocessor U5 with X86 computer platform is connect, brightness regulating circuit 100
For lightening brightness and dimming brightness, lightens brightness and dim brightness and be adjusted by way of touch；
Brightness regulating circuit 100 includes touching chip U2 and multiple metal touch piece T1；Touch multiple simulations of chip U2
Amount input terminal is respectively connected with first capacitor C1 and metal touch piece T1 or first resistor R4, the other end ground connection of first capacitor C1；
Chip U2 is touched to be used to the metal touch piece T1 analog touch signal received being converted into digital touch signal,
The multiple digital output ends for touching chip U2 are connect with the microprocessor U5 of X86 computer platform, are used for and X86 computer
The microprocessor U5 of platform carries out communication and sends digital touch signal；The microprocessor U5 of X86 computer platform is according to touch
It is analog that the digital touch signal of multiple digital output ends output of chip U2 learns that corresponding metal touch piece T1 is received
Touch signal；The microprocessor U5 of X86 computer platform sets corresponding one or more metal touch piece T1 to lighten brightness
Or dim brightness；
The present invention achievees the purpose that lighten brightness and dims brightness using touch chip U2 realization by way of touch, touches
It touches chip U2 and the metal touch piece T1 analog touch signal received is converted into digital touch signal, X86 computer platform
Microprocessor U5 according to touch chip U2 multiple digital output ends output digital touch signal learn corresponding gold
Belong to touch sheet T1 and receive analog touch signal, the microprocessor U5 of X86 computer platform sets corresponding metal touch piece T1
Function, that is, lighten brightness or dim brightness, lighten brightness to the greatest extent and by touching corresponding metal touch piece T1 realization and dim
Brightness；Circuit is simple, at low cost, small in size, improves user experience, and applicability is extensive.
As shown in Figure 1, first capacitor C1 is for improving touch sensitivity, the capacity of first capacitor C1 is 10PF and capacity is got over
Small touch sensitivity is higher.
As shown in Figure 1, the first end of first resistor R4 with touch chip U2 analog input end connect and second end and
The T1 connection of metal touch piece, first resistor R4 are used for Anti-surging, and the resistance value of first resistor R4 is 200 Ω to 10K Ω.
As shown in Figure 1, multiple metal touch piece T1 are corresponded and are connected with Transient Suppression Diode (not shown),
The other end of Transient Suppression Diode is grounded, and Transient Suppression Diode is used for surge protection.
In an embodiment of the present invention, lightening brightness and dimming brightness can also be adjusted in such a way that sliding touches
Section, multiple metal touch piece T1 are in linear type or arc shooting, and touch is slided in the microprocessor U5 setting of X86 computer platform
Direction is to lighten brightness or dim brightness.
The microprocessor U5 of X86 computer platform is according to the direction of sliding touch and the speed of the length or sliding that have been slid over
Degree, it is corresponding chiseled gradually to lighten brightness or chisel gradually dim brightness.
The microprocessor U5 of X86 computer platform is digital according to the multiple digital output ends output for touching chip U2
The sequence and speed of analog signal, are chiseled gradually to lighten brightness or chisel and gradually dim brightness.
As shown in Figure 1, the multiple digital output ends for touching chip U2 are respectively connected with pull-up resistor R9, pull-up resistor R9's
The anode of the other end and power supply connects, the cathode ground connection of power supply；The resistance value of pull-up resistor R9 is more than 10K Ω.
As depicted in figs. 1 and 2, the microprocessor at multiple the digital output ends and X86 computer platform of chip U2 is touched
Multiple ports I/O of U5 connect one to one.
As shown in Figure 1, the multiple analog input ends for touching chip U2 are respectively the end CS1, the end CS2, the end CS3, the end CS4；
The multiple digital output ends for touching chip U2 are respectively the end OUT1, the end OUT2, the end OUT3, the end OUT4；Touch the more of chip U2
A analog output end and multiple digital output ends correspond；That is: the end CS1 receives the corresponding OUT1 of analog touch signal
End exports digital touch signal；
In embodiments of the present invention: according to ACPI Specification (Advanced Configuration and Power
Management Interface, advanced configuration and power-management interface specification), backlight is divided into different grades according to brightness
Not, the waveform of the PWM pin output different duty of the microprocessor U5 of corresponding X86 computer platform (provides in ACPI Specification
The corresponding pwm signal duty ratio of most dark rank is 30%, 100%) the corresponding pwm signal duty ratio of most bright rank is.
Adjusting is divided into the different grades of pulse width adjustment signal PWM of output, and the LVDS_PWM of LVDS screen interface J1 draws
Foot receives different grades of pulse width adjustment signal PWM, and LVDS backlight is realized by the variation of pwm signal pulse width
The adjusting of brightness.
This method is realized through relatively simple external circuit, is realized in conjunction with the microprocessor U5 of X86 computer platform
User's tune luminance instructions, the function of output pulse width adjustment signal are received, impression that the user experience is improved, and save function
Consumption and cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of touch brightness regulating circuit and method, including the brightness tune being connect with the microprocessor of X86 computer platform
Economize on electricity road, which is characterized in that the brightness regulating circuit is described to lighten brightness and the tune for lightening brightness and dimming brightness
Dark brightness is adjusted by way of touch；
The brightness regulating circuit includes touching chip and multiple metal touch pieces；The multiple analog inputs for touching chip
End is respectively connected with first capacitor and the metal touch piece or first resistor, the other end ground connection of the first capacitor；
The touch chip is used to the analog touch signal that the metal touch piece receives being converted into digital touch signal,
It is described touch chip multiple digital output ends connect with the microprocessor of the X86 computer platform, be used for it is described
The microprocessor of X86 computer platform carries out communication and sends the digital touch signal；Micro- place of the X86 computer platform
Reason device is learnt corresponding described according to the digital touch signal of the multiple digital output ends output for touching chip
Metal touch piece receives the analog touch signal；The X86 computer platform microprocessor setting it is corresponding one or
Multiple metal touch pieces are described to lighten brightness or described dim brightness.
2. touch brightness regulating circuit as described in claim 1 and method, which is characterized in that the first capacitor is for mentioning
The capacity of high touch sensitivity, the first capacitor is 10PF and the smaller touch sensitivity of capacity is higher.
3. touch brightness regulating circuit as described in claim 1 and method, which is characterized in that the first of the first resistor
End is connect with the analog input end for touching chip and second end is connect with the metal touch piece, and the first resistor is used
In Anti-surging, the resistance value of the first resistor is 200 Ω to 10K Ω.
4. touch brightness regulating circuit as described in claim 1 and method, which is characterized in that multiple metal touch pieces
It corresponds and is connected with Transient Suppression Diode, the other end ground connection of the Transient Suppression Diode, the transient state inhibits two
Pole pipe is used for surge protection.
5. touch brightness regulating circuit as described in claim 1 and method, which is characterized in that described to lighten brightness and described
Dimming brightness can also be adjusted in such a way that sliding touches, and multiple metal touch pieces are in linear type or arc-like rows
Column, the direction that the microprocessor of the X86 computer platform set sliding touch lighten brightness described in or described dim brightness.
6. touch brightness regulating circuit as claimed in claim 5 and method, which is characterized in that the X86 computer platform
Microprocessor according to sliding touch direction and the length or sliding that have been slid over speed, it is corresponding chiseled gradually lighten it is bright
It spends or chisels and gradually dim brightness.
7. touch brightness regulating circuit as described in claim 1 and method, which is characterized in that described to touch the multiple of chip
Digital output end is respectively connected with pull-up resistor, and the other end of the pull-up resistor and the anode of power supply connect, the power supply
Cathode ground connection；The resistance value of the pull-up resistor is more than 10K Ω.
8. touch brightness regulating circuit as claimed in claim 7 and method, which is characterized in that described to touch the multiple of chip
Digital output end and multiple ports I/O of the microprocessor of the X86 computer platform connect one to one.
9. touch brightness regulating circuit as claimed in claim 8 and method, which is characterized in that described to touch the multiple of chip
Analog input end is respectively the end CS1, the end CS2, the end CS3, the end CS4；The multiple digital output ends difference for touching chip
For the end OUT1, the end OUT2, the end OUT3, the end OUT4；The multiple analog output ends for touching chip and multiple digital outputs
End corresponds.
10. touch brightness regulating circuit as claimed in claim 9 and method, which is characterized in that the X86 computer platform
Microprocessor according to it is described touch chip multiple digital output ends output the digital simulation signal sequence and
Speed, is chiseled gradually to lighten brightness or chisel and gradually dims brightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646795.6A CN110362254B (en) | 2019-07-17 | 2019-07-17 | Touch type brightness adjusting circuit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646795.6A CN110362254B (en) | 2019-07-17 | 2019-07-17 | Touch type brightness adjusting circuit and method |
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| Publication Number | Publication Date |
|---|---|
| CN110362254A true CN110362254A (en) | 2019-10-22 |
| CN110362254B CN110362254B (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910646795.6A Active CN110362254B (en) | 2019-07-17 | 2019-07-17 | Touch type brightness adjusting circuit and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202258267U (en) * | 2011-09-30 | 2012-05-30 | 杭州华银教育多媒体科技股份有限公司 | Liquid crystal all-in-one machine having automatic backlight adjusting function |
| CN102843804A (en) * | 2011-06-20 | 2012-12-26 | 海洋王照明科技股份有限公司 | Touch control circuit and electric torch |
| US20140313709A1 (en) * | 2013-04-19 | 2014-10-23 | Klarus Light Technology Co., Ltd. | Flashlight |
| CN105007675A (en) * | 2015-08-20 | 2015-10-28 | 浙江福森电子科技有限公司 | Touch-type LED dimming circuit |
-
2019
- 2019-07-17 CN CN201910646795.6A patent/CN110362254B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843804A (en) * | 2011-06-20 | 2012-12-26 | 海洋王照明科技股份有限公司 | Touch control circuit and electric torch |
| CN202258267U (en) * | 2011-09-30 | 2012-05-30 | 杭州华银教育多媒体科技股份有限公司 | Liquid crystal all-in-one machine having automatic backlight adjusting function |
| US20140313709A1 (en) * | 2013-04-19 | 2014-10-23 | Klarus Light Technology Co., Ltd. | Flashlight |
| CN105007675A (en) * | 2015-08-20 | 2015-10-28 | 浙江福森电子科技有限公司 | Touch-type LED dimming circuit |
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| CN110362254B (en) | 2022-07-01 |
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Address after: B-1303, Haisong building, Tairan jiulu, chegongmiao, Futian District, Shenzhen City, Guangdong Province Applicant after: Shenzhen smart Micro Intelligent Technology Co.,Ltd. Address before: B-1303, Haisong building, Tairan jiulu, chegongmiao, Futian District, Shenzhen City, Guangdong Province Applicant before: JWIPC TECHNOLOGY DEVELOPMENT Ltd. |
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