CN208353651U - A kind of touch adjusting control circuit of constant voltage source - Google Patents

A kind of touch adjusting control circuit of constant voltage source Download PDF

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Publication number
CN208353651U
CN208353651U CN201820604107.0U CN201820604107U CN208353651U CN 208353651 U CN208353651 U CN 208353651U CN 201820604107 U CN201820604107 U CN 201820604107U CN 208353651 U CN208353651 U CN 208353651U
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resistance
light emitting
emitting diode
connect
pin
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马丽·乔·比瑞尼斯
王大卫
本尼迪特·卡斯罗伯
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Asahi Electronics (zhuhai) Co Ltd
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Asahi Electronics (zhuhai) Co Ltd
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Abstract

The utility model discloses a kind of touch adjusting control circuits of constant voltage source, are related to constant voltage source technical field, comprising: microprocessor, touch sensible module, output voltage adjustment module, touch screen dimmable backlights module and power supply mainboard;The input terminal of the touch sensible module is connect with several touch sensible points, the output end of the touch sensible module is connect with the input terminal of the microprocessor, the output voltage adjustment module and the input terminal and output end of the microprocessor are all connected with, the touch screen dimmable backlights module is connect with the output end of the microprocessor, and the power supply mainboard is connect with the output voltage adjustment module and the microprocessor respectively.The utility model realizes the touch brightness adjustment control to constant voltage source, and user can change brightness according to actual needs, saves electric energy, and realizes the voltage control to power supply mainboard.

Description

A kind of touch adjusting control circuit of constant voltage source
Technical field
The utility model relates to constant voltage source technical field more particularly to a kind of touch brightness adjustment control electricity of constant voltage source Road.
Background technique
Power supply can be divided into constant voltage source and constant-current supply according to its output mode, wherein constant voltage source is called pressure stabilizing electricity Source, it is desirable that output voltage values are fixed, and are not changed with the external operating condition such as load, input voltage, are typically used in LED light etc. Power supply in.
LED light in the prior art is usually that constant voltage source is used to power, that is to say, that the brightness of LED light can not adjust Section, in this way, we can not adjust the brightness of LED light when the brightness that user does not need LED light is very bright, can only allow LED light to keep Original brightness, to cause the waste of electric energy.
Utility model content
In view of this, the present invention provides a kind of touch adjusting control circuits of constant voltage source, realize to constant pressure The touch brightness adjustment control of power supply, user can change brightness according to actual needs, save electric energy, and realize to power supply mainboard Voltage control.
The utility model is solved the above problems by following technological means:
The touch adjusting control circuit of a kind of constant voltage source of the utility model, comprising: microprocessor, touch sensible mould Block, output voltage adjustment module, touch screen dimmable backlights module and power supply mainboard;If the input terminal of the touch sensible module with Dry touch sensible point connection, the output end of the touch sensible module is connect with the input terminal of the microprocessor, described defeated The input terminal and output end of voltage regulator module and the microprocessor are all connected with out, the touch screen dimmable backlights module and institute The output end connection of microprocessor is stated, the power supply mainboard connects with the output voltage adjustment module and the microprocessor respectively It connects.
Further, the microprocessor includes the arm processor of model STM32L052K6U6.
Further, the touch sensible module includes resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, electricity Hold C12, capacitor C13, capacitor C14, capacitor C15 and capacitor C16;One end of the resistance R16 is connect with the first touch sensible point, One end of the resistance R17 is connect with the second touch sensible point, and one end of the resistance R18 is connect with third touch sensible point, One end of the resistance R19 is connect with the 4th touch sensible point, and one end of the resistance R20 is connect with the 5th touch sensible point, The other end of the resistance R16, the other end of the resistance R17, the other end of the resistance R18, the resistance R19 it is another The other end of end and the resistance R20 respectively with the 6th pin of the STM32L052K6U6, the 12nd pin, the 15th pin, the 21 pins and the connection of the 29th pin;One end of the capacitor C12, one end of the capacitor C13, one end of the capacitor C14, institute One end of one end and the capacitor C16 for stating capacitor C15 respectively with the 27th pin of the STM32L052K6U6, the 7th pin, 13rd pin, the 16th pin and the connection of the 22nd pin, the other end, described of the other end of the capacitor C12, the capacitor C13 The other end of the other end of capacitor C14, the other end of the capacitor C15 and the capacitor C16 is grounded.
Further, the output voltage adjustment module includes dual operational amplifier, diode D1 and diode D2, described double 3rd pin of operational amplifier is connect by resistance R4 with the 10th pin of the STM32L052K6U6, double operation amplifiers 2nd pin of device is grounded by resistance R5 arranged side by side and capacitor C5, and the 2nd pin of the dual operational amplifier also passes through resistance R6 is connect with the 1st pin of the dual operational amplifier, cathode of the 1st pin of the dual operational amplifier also with diode D2 Connection;5th pin of the dual operational amplifier is connected to power supply by resistance R8, the 5th pin of the dual operational amplifier It is also grounded by resistance R10, the 5th pin of the dual operational amplifier is also connect with one end of resistance R11, and resistance R11's is another One end is connect with one end of the power supply mainboard and resistance R26 respectively, the other end of resistance R26 one end with resistance R45 respectively It is connected with the 6th pin of the dual operational amplifier, the other end ground connection of resistance R45, the 6th pin of the dual operational amplifier It is also connect by concatenated capacitor C10 and resistance R27 with the 7th pin of the dual operational amplifier, the dual operational amplifier The 7th pin also pass through resistance R44 and connect with the 11st pin of the STM32L052K6U6, the 7th of the dual operational amplifier the Pin is also connect with the cathode of diode D1, and the anode of diode D1 and the anode of diode D2 connect with the power supply mainboard It connects, and the anode of diode D1 is grounded by capacitor C20.
Further, the touch screen dimmable backlights module includes light emitting diode DS1, light emitting diode DS2, light-emitting diodes Pipe DS3, light emitting diode DS4, light emitting diode DS5, light emitting diode DS6, light emitting diode DS7, light emitting diode DS8, Light emitting diode DS9, light emitting diode DS10, light emitting diode DS11, light emitting diode DS12, light emitting diode DS13, hair Optical diode DS14 and light emitting diode DS15;
The anode of the light emitting diode DS2, the anode of light emitting diode DS4, light emitting diode DS6 anode, shine The anode of diode DS8, the anode of light emitting diode DS9, the anode of light emitting diode DS11, light emitting diode DS13 anode It is connected to power supply with the anode of light emitting diode DS15, the cathode of the light emitting diode DS2 and the light emitting diode DS1 Anode connection, the cathode of the light emitting diode DS4 connect with the anode of the light emitting diode DS3, the light-emitting diodes The cathode of pipe DS6 is connect with the anode of the light emitting diode DS5, the cathode of the light emitting diode DS8 and described luminous two The anode of pole pipe DS7 connects, and the cathode of the light emitting diode DS11 is connect with the anode of the light emitting diode DS10, described The cathode of light emitting diode DS13 is connect with the anode of the light emitting diode DS12, the cathode of the light emitting diode DS15 with The anode of the light emitting diode DS14 connects, and the cathode of the light emitting diode DS1 passes through the drain electrode of resistance R2 and metal-oxide-semiconductor Q5 The cathode of connection, the light emitting diode DS3 is connect by resistance R3 with the drain electrode of metal-oxide-semiconductor Q5, the light emitting diode DS5's Cathode is connect by resistance R9 with the drain electrode of metal-oxide-semiconductor Q5, and the cathode of the light emitting diode DS7 passes through resistance R13 and metal-oxide-semiconductor Q5 Drain electrode connection, the cathode of the light emitting diode DS10 connect by resistance R32 with the drain electrode of metal-oxide-semiconductor Q5, described luminous two The cathode of pole pipe DS12 is connect by resistance R33 with the drain electrode of metal-oxide-semiconductor Q5, and the cathode of the light emitting diode DS14 passes through resistance R34 is connect with the drain electrode of metal-oxide-semiconductor Q5, and the cathode of the light emitting diode DS9 is connect by resistance R15 with the drain electrode of metal-oxide-semiconductor Q6, The source electrode of metal-oxide-semiconductor Q5 and the source electrode of metal-oxide-semiconductor Q6 are connected to power supply by voltage regulator circuit, and the grid of metal-oxide-semiconductor Q5 passes through resistance R21 It is connect with the 26th pin of the STM32L052K6U6, the grid of metal-oxide-semiconductor Q6 passes through the resistance R22 and STM32L052K6U6 The 32nd pin connection.
Further, the voltage regulator circuit include triode Q1, zener diode IC2, resistance R1, resistance R30, resistance R31, Capacitor C1 and capacitor C4, one end of the collector of the triode Q1, one end of the resistance R30 and the capacitor C4 with electricity Source connection, the base stage of the triode are connect with the cathode of the other end of resistance R30 and zener diode IC2 respectively, diode The reference end of IC2 is connect with one end of one end of resistance R1 and resistance R31 respectively, the other end of resistance R1 respectively with triode Q1 Emitter connected with one end of capacitor C1, the other end of capacitor C1, the other end of capacitor C4, diode IC2 anode and electricity The other end of resistance R31 is grounded, and output end of the both ends of capacitor C1 as voltage regulator circuit.
It further, further include that metal-oxide-semiconductor Q7 and the drain electrode of metal-oxide-semiconductor Q8, the metal-oxide-semiconductor Q7 and the drain electrode of the metal-oxide-semiconductor Q8 are equal It is connect with the power supply mainboard, the grid of the metal-oxide-semiconductor Q7 passes through the 25th pin of resistance R43 and the STM32L052K6U6 The grid of connection, the metal-oxide-semiconductor Q8 is connect by resistance R46 with the 3rd pin of the STM32L052K6U6.
A kind of touch adjusting control circuit of constant voltage source of the utility model has the advantages that
The utility model provides a kind of touch adjusting control circuit of constant voltage source, when user needs to adjust touch screen When backlight illumination, the touch sensible point connecting with touch sensible module is touched, and the position of touch sensible point is different, microprocessor The signal received is also different, and microprocessor is according to the touch sensible signal received and then controls touch screen dimmable backlights module Voltage realize so that the brightness of light emitting diode in touch screen dimmable backlights module is different to constant voltage source Brightness adjustment control is touched, user can change brightness according to actual needs, save electric energy;In addition, the microprocessor of the utility model Analog voltage signal is sent to output voltage adjustment module, output voltage adjustment module is by the analog voltage signal received and reality The voltage signal of the power supply mainboard of border acquisition is compared, and comparison result is sent to microprocessor, so that microprocessor is most Voltage control signal is sent to power supply mainboard eventually, to realize that the voltage to power supply mainboard controls.
Detailed description of the invention
Fig. 1 is a kind of circuit diagram of the touch adjusting control circuit of constant voltage source provided by the utility model;
Fig. 2 is a kind of circuit diagram of microprocessor provided by the utility model;
Fig. 3 is a kind of circuit diagram of touch sensible module provided by the utility model;
Fig. 4 is a kind of circuit diagram of output voltage adjustment module provided by the utility model;
Fig. 5 is a kind of circuit diagram of touch screen dimmable backlights module provided by the utility model;
Fig. 6 is a kind of circuit diagram of voltage regulator circuit provided by the utility model;
Fig. 7 is a kind of circuit diagram of power supply mainboard provided by the utility model.
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 creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.
It is a kind of touch adjusting control circuit of constant voltage source provided by the utility model, comprising: micro process referring to Fig. 1 Device 101, touch sensible module 102, output voltage adjustment module 103, touch screen dimmable backlights module 104 and power supply mainboard 105; The input terminal of the touch sensible module 102 is connect with several touch sensible points, the output end of the touch sensible module 102 It is connect with the input terminal of the microprocessor 101, the input of the output voltage adjustment module 103 and the microprocessor 101 End and output end are all connected with, and the touch screen dimmable backlights module 104 is connect with the output end of the microprocessor 101, described Power supply mainboard 105 is connect with the output voltage adjustment module 103 and the microprocessor 101 respectively.
In the present embodiment, as shown in Fig. 2, the ARM that the microprocessor 101 includes model STM32L052K6U6 is handled Device.
In the present embodiment, as shown in figure 3, the touch sensible module 102 include resistance R16, resistance R17, resistance R18, Resistance R19, resistance R20, capacitor C12, capacitor C13, capacitor C14, capacitor C15 and capacitor C16;One end of the resistance R16 with The connection of first touch sensible point, one end of the resistance R17 connect with the second touch sensible point, one end of the resistance R18 and The connection of third touch sensible point, one end of the resistance R19 connect with the 4th touch sensible point, one end of the resistance R20 and 5th touch sensible point connection, the other end of the resistance R16, the other end of the resistance R17, the resistance R18 it is another End, the other end of the resistance R19 and the resistance R20 the other end respectively with the 6th pin of the STM32L052K6U6, 12nd pin, the 15th pin, the 21st pin and the connection of the 29th pin.
One end of the capacitor C12, one end of the capacitor C13, one end of the capacitor C14, the capacitor C15 one End and the capacitor C16 one end respectively with the 27th pin, the 7th pin, the 13rd pin, the 16th of the STM32L052K6U6 Pin and the 22nd pin connection, the other end of the capacitor C12, the other end of the capacitor C13, the capacitor C14 it is another The other end at end, the other end of the capacitor C15 and the capacitor C16 is grounded.
In the present embodiment, as shown in figure 4, the output voltage adjustment module 103 includes dual operational amplifier, diode D1 Connected with the 3rd pin of diode D2, the dual operational amplifier by the 10th pin of the resistance R4 and STM32L052K6U6 It connecing, the 2nd pin of the dual operational amplifier is grounded by resistance R5 arranged side by side and capacitor C5, and the dual operational amplifier 2nd pin also passes through resistance R6 and connect with the 1st pin of the dual operational amplifier, the 1st pin of the dual operational amplifier Also it is connect with the cathode of diode D2;5th pin of the dual operational amplifier is connected to power supply by resistance R8, double fortune The 5th pin for calculating amplifier also passes through resistance R10 and is grounded, the one end of the 5th pin of the dual operational amplifier also with resistance R11 Connection, the other end of resistance R11 are connect with one end of the power supply mainboard and resistance R26 respectively, the other end difference of resistance R26 It is connect with the 6th pin of one end of resistance R45 and the dual operational amplifier, the other end ground connection of resistance R45, double operations 6th pin of amplifier also passes through concatenated capacitor C10 and resistance R27 and connect with the 7th pin of the dual operational amplifier, institute The 7th pin for stating dual operational amplifier also passes through resistance R44 and connect with the 11st pin of the STM32L052K6U6, described double 7th pin of operational amplifier is also connect with the cathode of diode D1, the anode of the anode of diode D1 and diode D2 with The power supply mainboard connection, and the anode of diode D1 is grounded by capacitor C20.
In the present embodiment, as shown in figure 5, the touch screen dimmable backlights module 104 includes light emitting diode DS1, shines Diode DS2, light emitting diode DS3, light emitting diode DS4, light emitting diode DS5, light emitting diode DS6, light emitting diode DS7, light emitting diode DS8, light emitting diode DS9, light emitting diode DS10, light emitting diode DS11, light emitting diode DS12, Light emitting diode DS13, light emitting diode DS14 and light emitting diode DS15.
The anode of the light emitting diode DS2, the anode of light emitting diode DS4, light emitting diode DS6 anode, shine The anode of diode DS8, the anode of light emitting diode DS9, the anode of light emitting diode DS11, light emitting diode DS13 anode It is connected to power supply with the anode of light emitting diode DS15, the cathode of the light emitting diode DS2 and the light emitting diode DS1 Anode connection, the cathode of the light emitting diode DS4 connect with the anode of the light emitting diode DS3, the light-emitting diodes The cathode of pipe DS6 is connect with the anode of the light emitting diode DS5, the cathode of the light emitting diode DS8 and described luminous two The anode of pole pipe DS7 connects, and the cathode of the light emitting diode DS11 is connect with the anode of the light emitting diode DS10, described The cathode of light emitting diode DS13 is connect with the anode of the light emitting diode DS12, the cathode of the light emitting diode DS15 with The anode of the light emitting diode DS14 connects, and the cathode of the light emitting diode DS1 passes through the drain electrode of resistance R2 and metal-oxide-semiconductor Q5 The cathode of connection, the light emitting diode DS3 is connect by resistance R3 with the drain electrode of metal-oxide-semiconductor Q5, the light emitting diode DS5's Cathode is connect by resistance R9 with the drain electrode of metal-oxide-semiconductor Q5, and the cathode of the light emitting diode DS7 passes through resistance R13 and metal-oxide-semiconductor Q5 Drain electrode connection, the cathode of the light emitting diode DS10 connect by resistance R32 with the drain electrode of metal-oxide-semiconductor Q5, described luminous two The cathode of pole pipe DS12 is connect by resistance R33 with the drain electrode of metal-oxide-semiconductor Q5, and the cathode of the light emitting diode DS14 passes through resistance R34 is connect with the drain electrode of metal-oxide-semiconductor Q5, and the cathode of the light emitting diode DS9 is connect by resistance R15 with the drain electrode of metal-oxide-semiconductor Q6, The source electrode of metal-oxide-semiconductor Q5 and the source electrode of metal-oxide-semiconductor Q6 are connected to power supply by voltage regulator circuit, and the grid of metal-oxide-semiconductor Q5 passes through resistance R21 It is connect with the 26th pin of the STM32L052K6U6, the grid of metal-oxide-semiconductor Q6 passes through the resistance R22 and STM32L052K6U6 The 32nd pin connection.
In the present embodiment, as shown in fig. 6, the voltage regulator circuit includes triode Q1, zener diode IC2, resistance R1, electricity Hinder R30, resistance R31, capacitor C1 and capacitor C4, the collector of the triode Q1, one end of the resistance R30 and the capacitor One end of C4 connects to power supply, the base stage of the triode yin with the other end of resistance R30 and zener diode IC2 respectively Pole connection, the reference end of diode IC2 are connect with one end of one end of resistance R1 and resistance R31 respectively, the other end of resistance R1 It is connect respectively with one end of the emitter of triode Q1 and capacitor C1, the other end of capacitor C1, the other end of capacitor C4, diode The anode of IC2 and the other end of resistance R31 are grounded, and output end of the both ends of capacitor C1 as voltage regulator circuit.
In the present embodiment, as shown in fig. 7, further include metal-oxide-semiconductor Q7 and metal-oxide-semiconductor Q8, the drain electrode of the metal-oxide-semiconductor Q7 and described The drain electrode of metal-oxide-semiconductor Q8 is connect with the power supply mainboard 105, the grid of the metal-oxide-semiconductor Q7 by resistance R43 with it is described The 25th pin of STM32L052K6U6 connects, and the grid of the metal-oxide-semiconductor Q8 passes through the resistance R46's and STM32L052K6U6 The connection of 3rd pin.
It should be noted that VIN of the Fig. 2 into Fig. 7 refers both to power end;T2, T3, T4, T5 and T1 in Fig. 3 respectively refer to Touch sensible point, the second touch sensible point, third touch sensible point, the 4th touch sensible point and the 5th touch sensible point.
The utility model provides a kind of touch adjusting control circuit of constant voltage source, when user needs to adjust touch screen When backlight illumination, the touch sensible point connecting with touch sensible module 102 is touched, and the position of touch sensible point is different, micro- place The signal that reason device 101 receives is also different, and microprocessor 101 can according to the touch sensible signal and then control touch screen that receive The voltage of backlight module 104 is adjusted, so that the brightness of the light emitting diode in touch screen dimmable backlights module 104 is different, it is real The touch brightness adjustment control to constant voltage source is showed, user can change brightness according to actual needs, save electric energy;In addition, this reality Analog voltage signal, output voltage adjustment module 103 are sent to output voltage adjustment module 103 with novel microprocessor 101 The analog voltage signal received is compared with the voltage signal of the power supply mainboard 105 of actual acquisition, and by comparison result It is sent to microprocessor 101, so that microprocessor 101 finally sends voltage control signal to power supply mainboard 105, to realize to electricity The voltage of source mainboard 105 controls.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (RandomAccess Memory, RAM) etc..
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit Decorations are also considered as the protection scope of the utility model.

Claims (7)

1. a kind of touch adjusting control circuit of constant voltage source characterized by comprising microprocessor, touch sensible module, defeated Voltage regulator module, touch screen dimmable backlights module and power supply mainboard out;
The input terminal of the touch sensible module is connect with several touch sensible points, the output end of the touch sensible module with The input terminal of the microprocessor connects, and the output voltage adjustment module and the input terminal and output end of the microprocessor are equal Connection, the touch screen dimmable backlights module connect with the output end of the microprocessor, the power supply mainboard respectively with it is described Output voltage adjustment module is connected with the microprocessor.
2. a kind of touch adjusting control circuit of constant voltage source as described in claim 1, which is characterized in that the microprocessor Arm processor including model STM32L052K6U6.
3. a kind of touch adjusting control circuit of constant voltage source as claimed in claim 2, which is characterized in that the touch sensible Module includes resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, capacitor C12, capacitor C13, capacitor C14, capacitor C15 and capacitor C16;
One end of the resistance R16 is connect with the first touch sensible point, and one end of the resistance R17 and the second touch sensible point connect It connects, one end of the resistance R18 is connect with third touch sensible point, and one end of the resistance R19 and the 4th touch sensible point connect Connect, one end of the resistance R20 is connect with the 5th touch sensible point, the other end of the resistance R16, the resistance R17 it is another One end, the other end of the resistance R18, the other end of the resistance R19 and the resistance R20 the other end respectively with it is described The 6th pin, the 12nd pin, the 15th pin, the 21st pin and the connection of the 29th pin of STM32L052K6U6;
One end of the capacitor C12, one end of the capacitor C13, one end of the capacitor C14, the capacitor C15 one end and One end of the capacitor C16 respectively with the 27th pin, the 7th pin, the 13rd pin, the 16th pin of the STM32L052K6U6 It is connected with the 22nd pin, the other end of the capacitor C12, the other end of the capacitor C13, the other end of the capacitor C14, institute The other end of the other end and the capacitor C16 of stating capacitor C15 is grounded.
4. a kind of touch adjusting control circuit of constant voltage source as claimed in claim 2, which is characterized in that the output voltage Adjustment module includes dual operational amplifier, diode D1 and diode D2, and the 3rd pin of the dual operational amplifier passes through resistance R4 is connect with the 10th pin of the STM32L052K6U6, and the 2nd pin of the dual operational amplifier passes through resistance R5 arranged side by side It is grounded with capacitor C5, and the 2nd pin of the dual operational amplifier also passes through resistance R6 and draws with the 1st of the dual operational amplifier Foot connection, the 1st pin of the dual operational amplifier are also connect with the cathode of diode D2;The 5th of the dual operational amplifier Pin is connected to power supply by resistance R8, and the 5th pin of the dual operational amplifier also passes through resistance R10 and is grounded, double fortune Calculate amplifier the 5th pin also connect with one end of resistance R11, the other end of resistance R11 respectively with the power supply mainboard and electricity Hinder one end connection of R26, the other end of resistance R26 the 6th pin with one end of resistance R45 and the dual operational amplifier respectively Connection, the other end ground connection of resistance R45, the 6th pin of the dual operational amplifier also pass through concatenated capacitor C10 and resistance R27 is connect with the 7th pin of the dual operational amplifier, and the 7th pin of the dual operational amplifier also passes through resistance R44 and institute The 11st pin connection of STM32L052K6U6 is stated, the 7th pin of the dual operational amplifier also connects with the cathode of diode D1 It connects, the anode of diode D1 and the anode of diode D2 are connect with the power supply mainboard, and the anode of diode D1 passes through electricity Hold C20 ground connection.
5. a kind of touch adjusting control circuit of constant voltage source as claimed in claim 2, which is characterized in that the touch screen can Adjusting backlight module includes light emitting diode DS1, light emitting diode DS2, light emitting diode DS3, light emitting diode DS4, luminous two Pole pipe DS5, light emitting diode DS6, light emitting diode DS7, light emitting diode DS8, light emitting diode DS9, light emitting diode DS10, light emitting diode DS11, light emitting diode DS12, light emitting diode DS13, light emitting diode DS14 and light emitting diode DS15;
Anode, the anode of light emitting diode DS4, the anode of light emitting diode DS6, the light-emitting diodes of the light emitting diode DS2 The anode of pipe DS8, the anode of light emitting diode DS9, the anode of light emitting diode DS11, light emitting diode DS13 anode and hair The anode of optical diode DS15 connects to power supply, the sun of the cathode of the light emitting diode DS2 and the light emitting diode DS1 Pole connection, the cathode of the light emitting diode DS4 are connect with the anode of the light emitting diode DS3, the light emitting diode DS6 Cathode connect with the anode of the light emitting diode DS5, the cathode of the light emitting diode DS8 and the light emitting diode The anode of DS7 connects, and the cathode of the light emitting diode DS11 is connect with the anode of the light emitting diode DS10, described to shine The cathode of diode DS13 is connect with the anode of the light emitting diode DS12, the cathode of the light emitting diode DS15 with it is described The anode of light emitting diode DS14 connects, and the cathode of the light emitting diode DS1 is connected by the drain electrode of resistance R2 and metal-oxide-semiconductor Q5 It connects, the cathode of the light emitting diode DS3 is connect by resistance R3 with the drain electrode of metal-oxide-semiconductor Q5, the yin of the light emitting diode DS5 Pole is connect by resistance R9 with the drain electrode of metal-oxide-semiconductor Q5, and the cathode of the light emitting diode DS7 passes through resistance R13's and metal-oxide-semiconductor Q5 The cathode of drain electrode connection, the light emitting diode DS10 is connect by resistance R32 with the drain electrode of metal-oxide-semiconductor Q5, the light-emitting diodes The cathode of pipe DS12 is connect by resistance R33 with the drain electrode of metal-oxide-semiconductor Q5, and the cathode of the light emitting diode DS14 passes through resistance R34 is connect with the drain electrode of metal-oxide-semiconductor Q5, and the cathode of the light emitting diode DS9 is connect by resistance R15 with the drain electrode of metal-oxide-semiconductor Q6, The source electrode of metal-oxide-semiconductor Q5 and the source electrode of metal-oxide-semiconductor Q6 are connected to power supply by voltage regulator circuit, and the grid of metal-oxide-semiconductor Q5 passes through resistance R21 It is connect with the 26th pin of the STM32L052K6U6, the grid of metal-oxide-semiconductor Q6 passes through the resistance R22 and STM32L052K6U6 The 32nd pin connection.
6. a kind of touch adjusting control circuit of constant voltage source as claimed in claim 5, which is characterized in that the voltage regulator circuit Including triode Q1, zener diode IC2, resistance R1, resistance R30, resistance R31, capacitor C1 and capacitor C4, the triode Q1 Collector, one end of the resistance R30 and one end of the capacitor C4 connect to power supply, the base stage of triode difference Connect with the cathode of the other end of resistance R30 and zener diode IC2, the reference end of diode IC2 respectively with resistance R1 one End is connected with one end of resistance R31, and the other end of resistance R1 is connect with one end of the emitter of triode Q1 and capacitor C1 respectively, The other end of capacitor C1, the other end of capacitor C4, the anode of diode IC2 and resistance R31 the other end be grounded, and capacitor C1 Output end of the both ends as voltage regulator circuit.
7. a kind of touch adjusting control circuit of constant voltage source as claimed in claim 2, which is characterized in that further include metal-oxide-semiconductor The drain electrode of Q7 and metal-oxide-semiconductor Q8, the metal-oxide-semiconductor Q7 and the drain electrode of the metal-oxide-semiconductor Q8 are connect with the power supply mainboard, the MOS The grid of pipe Q7 is connect by resistance R43 with the 25th pin of the STM32L052K6U6, and the grid of the metal-oxide-semiconductor Q8 passes through Resistance R46 is connect with the 3rd pin of the STM32L052K6U6.
CN201820604107.0U 2018-04-26 2018-04-26 A kind of touch adjusting control circuit of constant voltage source Active CN208353651U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108513404A (en) * 2018-04-26 2018-09-07 旭源电子(珠海)有限公司 A kind of touch adjusting control circuit of constant voltage source

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108513404A (en) * 2018-04-26 2018-09-07 旭源电子(珠海)有限公司 A kind of touch adjusting control circuit of constant voltage source

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