CN109166509A - Control circuit, temperature controller, equipment and method and device for adjusting display color - Google Patents
Control circuit, temperature controller, equipment and method and device for adjusting display color Download PDFInfo
- Publication number
- CN109166509A CN109166509A CN201811099372.9A CN201811099372A CN109166509A CN 109166509 A CN109166509 A CN 109166509A CN 201811099372 A CN201811099372 A CN 201811099372A CN 109166509 A CN109166509 A CN 109166509A
- Authority
- CN
- China
- Prior art keywords
- light source
- pwm wave
- control circuit
- pwm
- color values
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003086 colorant Substances 0.000 claims abstract description 27
- 238000013507 mapping Methods 0.000 claims abstract description 21
- 230000007613 environmental effect Effects 0.000 claims description 26
- 239000003990 capacitor Substances 0.000 claims description 15
- 238000004590 computer program Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 19
- 238000012545 processing Methods 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- ORFSSYGWXNGVFB-UHFFFAOYSA-N sodium 4-amino-6-[[4-[4-[(8-amino-1-hydroxy-5,7-disulfonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-5-hydroxynaphthalene-1,3-disulfonic acid Chemical compound COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C3)C(=CC(=C4N)S(=O)(=O)O)S(=O)(=O)O)O)OC)N=NC5=C(C6=C(C=C5)C(=CC(=C6N)S(=O)(=O)O)S(=O)(=O)O)O.[Na+] ORFSSYGWXNGVFB-UHFFFAOYSA-N 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
- G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
- G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
- G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
- G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
- G09G3/14—Semiconductor devices, e.g. diodes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Automation & Control Theory (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The disclosure provides a control circuit, a temperature controller, equipment and a method and a device for adjusting display colors, and relates to the field of control. The control circuit includes: the temperature acquisition unit is used for acquiring a current environment temperature value; the three-basic-color-value determining unit is used for determining a first basic color value, a second basic color value and a third basic color value of the display panel according to the current environment temperature value; and the voltage control unit is used for controlling the voltage of a first light source of the display panel according to the mapping relation between the first basic color value and the first light source voltage, controlling the voltage of a second light source of the display panel according to the mapping relation between the second basic color value and the second light source voltage, and controlling the voltage of a third light source of the display panel according to the mapping relation between the third basic color value and the third light source voltage. The three-primary-color value is determined according to the current environment temperature value, and then the light source voltage of the display panel is controlled according to the voltage relation between the three-primary-color value and each light source, so that the display panel displays different colors according to different environment temperatures, and the user experience is improved.
Description
Technical field
This disclosure relates to control field more particularly to a kind of control circuit, temperature controller, equipment and the side for adjusting display color
Method and device.
Background technique
Existing temperature controller is many kinds of in the market, is only simply acquired mostly to temperature, and temperature value is direct
It is shown on liquid crystal, user, which needs to go to temperature controller, nearby just will appreciate that Current Temperatures.Above-mentioned temperature controller interactive mode is more single
One, efficiently interactive experience can not be brought convenience to user.Often only have user to feel that supercooling or overheat can just go to check and work as
Preceding temperature, waste of energy while, are also unfavorable for user's body health！
Summary of the invention
The disclosure technical problem to be solved is to provide a kind of control circuit, temperature controller, equipment and adjusts display face
The method and apparatus of color enable to display board to show different colors according to different environment temperatures.
On the one hand according to the disclosure, a kind of control circuit is proposed, comprising: temperature acquiring unit, for obtaining current environment
Temperature value；Tristimulus value determination unit, for determining the first primary color values, the second primary colours of display board according to current environmental temperature value
Value and third primary color values；And voltage control unit, for the mapping relations control according to the first primary color values and first light source voltage
The voltage of display board first light source processed controls the second light of display board according to the second primary color values and the mapping relations of second light source voltage
The voltage in source, according to the voltage of the mapping relations of third primary color values and third light source voltage control display board third light source.
Optionally, voltage control unit includes: that pulse width modulation (PWM) wave determines circuit, for according to the first primary color values
It determines the first PWM wave duty ratio, and exports first PWM wave with the first PWM wave duty ratio, determine the according to the second primary color values
Two PWM wave duty ratios, and second PWM wave with the second PWM wave duty ratio is exported, the 3rd PWM is determined according to third primary color values
Wave duty ratio, and export the third PWM wave with third PWM wave duty ratio；First light source control circuit, for receiving first
PWM wave exports first light source voltage corresponding with the first PWM wave duty ratio；Second light source control circuit, for receiving second
PWM wave exports second light source voltage corresponding with the second PWM wave duty ratio；And third control circuit for light source, for receiving the
Three PWM waves export third light source voltage corresponding with third PWM wave duty ratio.
Optionally, PWM wave determines that circuit is also used to determine the first PWM wave output frequency according to the first primary color values, and exports
The first PWM wave with the first PWM wave output frequency determines the second PWM wave output frequency according to the second primary color values, and exports tool
There is the second PWM wave of the second PWM wave output frequency, determines third PWM wave output frequency according to third primary color values, and output has
The third PWM wave of third PWM wave output frequency.
Optionally, each of first light source control circuit, second light source control circuit and third control circuit for light source
Control circuit for light source includes: PWM wave receiving end；First output end；Second output terminal；Switching device, the control terminal of switching device
It is connect with PWM wave receiving end, the first end of switching device is connect with the first output end；And capacitor, the first end of capacitor
It is connect with the first end of switching device, the second end of capacitor is connect with second output terminal, and the second end of capacitor and electricity
The connection of source voltage end.
Optionally, each of first light source control circuit, second light source control circuit and third control circuit for light source
Control circuit for light source further include: first resistor device is arranged between the control terminal of switching device and PWM wave receiving end；And the
Two resistors are arranged between second output terminal and power voltage terminal.
Optionally, the PWM wave receiving end of first light source control circuit and PWM wave, which determine, exports the first PWM wave in circuit
Terminal connection, the first output end of first light source control circuit are connect with the first pin of display board first light source；First light source
The second output terminal of control circuit is connect with the second pin of display board first light source；The PWM wave of second light source control circuit connects
Receiving end determines that the terminal that the second PWM wave is exported in circuit is connect with PWM wave, the first output end of second light source control circuit and aobvious
Show the first pin connection of plate second light source；The second output terminal of second light source control circuit and the second of display board second light source
Pin connection；The PWM wave receiving end of third control circuit for light source and PWM wave determine that the terminal that third PWM wave is exported in circuit connects
It connects, the first output end of third control circuit for light source is connect with the first pin of display board third light source；Third light source control electricity
The second output terminal on road is connect with the second pin of display board third light source.
Optionally, switching device is triode；The control terminal of triode is base stage, is connect with PWM wave receiving end；Triode
First end connect with the first output end；The second end of triode is grounded.
According to another aspect of the present disclosure, it is also proposed that a kind of temperature controller, including temperature sensor, display board and above-mentioned control
Circuit processed；Wherein, temperature sensor is for detecting current environmental temperature value；It is display panel used in the light source exported according to control circuit
Voltage shows different colors.
According to another aspect of the present disclosure, it is also proposed that a kind of electrical equipment, including above-mentioned control circuit or temperature controller.
According to another aspect of the present disclosure, it is also proposed that a method of display color is adjusted with temperature inversion, comprising: is obtained
Current environmental temperature value；The first primary color values, the second primary color values and third primary colours of display board are determined according to current environmental temperature value
Value；According to the voltage of the first primary color values and the mapping relations of first light source voltage control display board first light source, according to the second base
The voltage of color value and the mapping relations of second light source voltage control display board second light source, according to third primary color values and third light source
The voltage of the mapping relations control display board third light source of voltage.
Optionally, this method further include: determine the first PWM wave duty ratio according to the first primary color values, and export with first
First PWM wave of PWM wave duty ratio exports first light source voltage corresponding with the first PWM wave duty ratio according to the first PWM wave；
The second PWM wave duty ratio is determined according to the second primary color values, and exports second PWM wave with the second PWM wave duty ratio, according to the
Two PWM waves export second light source voltage corresponding with the second PWM wave duty ratio；Determine that third PWM wave accounts for according to third primary color values
Empty ratio, and the third PWM wave with third PWM wave duty ratio is exported, according to the output of third PWM wave and third PWM wave duty ratio
Corresponding third light source voltage.
Optionally, this method further include: determine the first PWM output frequency according to the first primary color values, and export with first
First PWM wave of PWM output frequency；The 2nd PWM output frequency is determined according to the second primary color values, and exporting has the 2nd PWM defeated
Second PWM wave of frequency out；The 3rd PWM output frequency is determined according to third primary color values, and is exported with the 3rd PWM output frequency
Third PWM wave.
According to another aspect of the present disclosure, it is also proposed that a kind of device that display color is adjusted with temperature inversion, comprising: storage
Device；And it is coupled to the processor of memory, processor is configured as example above-mentioned based on the instruction execution for being stored in memory
The method for adjusting display color with temperature inversion.
According to another aspect of the present disclosure, it is also proposed that a kind of computer readable storage medium is stored thereon with computer journey
The step of sequence instruction, which realizes the above-mentioned method that display color is adjusted with temperature inversion when being executed by processor.
Compared with prior art, the disclosure determines tristimulus value according to current environmental temperature value, further according to tristimulus value with
The voltage relationship of each road light source, controls the light source voltage of display board, so that display board is shown according to different environment temperatures
Different colors, the user experience is improved.
By the detailed description referring to the drawings to the exemplary embodiment of the disclosure, the other feature of the disclosure and its
Advantage will become apparent.
Detailed description of the invention
The attached drawing for constituting part of specification describes embodiment of the disclosure, and together with the description for solving
Release the principle of the disclosure.
The disclosure can be more clearly understood according to following detailed description referring to attached drawing, in which:
Fig. 1 is the structural schematic diagram of one embodiment of disclosure control circuit.
Fig. 2 is the structural schematic diagram of another embodiment of disclosure control circuit.
Fig. 3 is the structural schematic diagram of one embodiment of control circuit for light source in disclosure control circuit.
Fig. 4 is the structural schematic diagram of one embodiment of disclosure temperature controller.
Fig. 5 is the flow diagram of the one embodiment for the method that the disclosure adjusts display color with temperature inversion.
Fig. 6 is the structural schematic diagram of the one embodiment for the device that the disclosure adjusts display color with temperature inversion.
Fig. 7 is the structural schematic diagram of another embodiment of the device that the disclosure adjusts display color with temperature inversion.
Specific embodiment
The various exemplary embodiments of the disclosure are described in detail now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
Scope of disclosure.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the disclosure
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
For the purposes, technical schemes and advantages of the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference
The disclosure is further described in attached drawing.
Fig. 1 is the structural schematic diagram of one embodiment of disclosure control circuit.The control circuit includes that temperature obtains list
Member 110, tristimulus value determination unit 120 and voltage control unit 130.
Temperature acquiring unit 110 is for obtaining current environmental temperature value.Wherein, temperature acquiring unit 110 can pass through temperature
It spends sensor and obtains current environmental temperature value.
Tristimulus value determination unit 120 is used to determine the first primary color values of display board, second according to current environmental temperature value
Primary color values and third primary color values.Display board can be LCD panel, be specifically as follows segment liquid crystal display board, display board may be used also
Think light-emitting diode display panel etc..It is, for example, G (green) primary colours, third base that first primary colours, which are, for example, R (red) primary colours, the second primary colours,
Color is, for example, B (indigo plant) primary colours, wherein by controlling the value of three primary colours, may be constructed different colors.
Voltage control unit 130 is used for according to the mapping relations control display board of the first primary color values and first light source voltage the
The voltage of one light source controls the voltage of display board second light source according to the second primary color values and the mapping relations of second light source voltage,
According to the voltage of the mapping relations of third primary color values and third light source voltage control display board third light source.Wherein, display board can
Three kinds of light sources are arranged, first light source is, for example, the wick of red color, and second light source is, for example, the wick of green color, third light source
The wick of for example, blue color, voltage control unit 130 can control the voltage of three road light sources, match according to three primary colours
Principle, so that display board shows various colors.
In this embodiment, tristimulus value is determined according to current environmental temperature value, further according to tristimulus value and each road light source
Voltage relationship, the light source voltage of display board is controlled, so that display board shows different face according to different environment temperatures
Color, the user experience is improved.
Fig. 2 is the structural schematic diagram of another embodiment of disclosure control circuit.Wherein, voltage control unit 130 wraps
Include: PWM (Pulse Width Modulation, pulse width modulation) wave determine circuit 210, first light source control circuit 220,
Second light source control circuit 230 and third control circuit for light source 240.
Temperature acquiring unit 110 is for obtaining current environmental temperature value.
Tristimulus value determination unit 120 is used to determine the first primary color values of display board, second according to current environmental temperature value
Primary color values and third primary color values.It in one embodiment, can be the corresponding tristimulus value of a temperature value, or one
The corresponding tristimulus value of a temperature range.
PWM wave determines circuit 210 for determining the first PWM wave duty ratio according to the first primary color values, and exporting have first
First PWM wave of PWM wave duty ratio determines the second PWM wave duty ratio according to the second primary color values, and exports with the second PWM wave
Second PWM wave of duty ratio determines third PWM wave duty ratio according to third primary color values, and exports with third PWM wave duty ratio
Third PWM wave.PWM wave determine circuit 210 can by way of tabling look-up temperature, three primary colours and PWM wave duty ratio
Corresponding relationship.As shown in table 1, for example, Current Temperatures are 2 °, then by tabling look-up it is found that the first PWM wave duty ratio is 0%, second
PWM wave duty ratio is 0%, and third PWM wave duty ratio is 100%.
| Temperature range | PWM1(R) | PWM2(G) | PWM3(B) |
| …… | 0% | 0% | 100% |
| (0,5] | 0% | 0% | 100% |
| (5,10] | 0% | 20% | 80% |
| (10,20] | 0% | 60% | 40% |
| (20,25] | 0% | 100% | 0% |
| (25,30] | 20% | 80% | 0% |
| (30,35] | 60% | 40% | 0% |
| (35,40] | 100% | 0% | 0% |
| …… | 100% | 0% | 0% |
Table 1
First light source control circuit 220 exports and the first PWM wave duty ratio corresponding first for receiving the first PWM wave
Light source voltage.Wherein, first light source voltage is applied to display board first light source, and first light source is, for example, the wick of red color.
Second light source control circuit 230 exports and the second PWM wave duty ratio corresponding second for receiving the second PWM wave
Light source voltage.Wherein, second light source voltage is applied to display board second light source, and second light source is, for example, the wick of green color.
Third control circuit for light source 240 exports third corresponding with third PWM wave duty ratio for receiving third PWM wave
Light source voltage.Wherein, third light source voltage is applied to display board third light source, and third light source is, for example, the wick of blue color.
In this embodiment, tristimulus value is determined according to current environmental temperature value, determines three road PWM further according to tristimulus value
Wave duty ratio, so that three tunnel light source voltages of output, which is applied separately on corresponding display board light source, can be made
Display board display color, user is according to display board color it may determine that the height of current environmental temperature out, improves user
Experience.
Fig. 3 is the structural schematic diagram of one embodiment of control circuit for light source in disclosure control circuit.The light source control
Circuit includes PWM wave receiving end 310, the first output end 320, second output terminal 330, switching device 340 and capacitor 350,
In, the control terminal of switching device 340 is connect with PWM wave receiving end 310, the first end of switching device 340 and the first output end 320
Connection.In one embodiment, switching device 340 is triode, wherein the control terminal of triode is base stage, is received with PWM wave
End connection；The first end of triode is connect with the first output end；The second end of triode is grounded.The first end of capacitor 350 with
The first end of switching device 340 connects, and the second end of capacitor 350 is connect with second output terminal 330, and capacitor 350
Second end is connect with power voltage terminal.By cut-offfing for switching device 340, the charge and discharge of capacitor 350 can be controlled, and then are made
The voltage for obtaining 350 both ends of capacitor is maintained on a certain specific voltage value.
In one embodiment, which further includes first resistor device 360 and second resistor 370, wherein
First resistor device 360 is arranged between the control terminal of switching device 340 and PWM wave receiving end 310；Second resistor 370 is arranged
Between second output terminal 330 and power voltage terminal.It can prevent from burning light source control when electric current is excessive by the way that resistor is arranged
Circuit.
If control circuit for light source is first light source control circuit 220, PWM wave receiving end 310 and PWM wave determine circuit
The terminal connection of the first PWM wave is exported in 210, the first output end 320 is connect with the first pin of display board first light source, and second
Output end 330 is connect with the second pin of display board first light source.After PWM wave receiving end 310 receives the first PWM wave, pass through
First light source control circuit output end exports first light source voltage corresponding with the first PWM wave duty ratio, first light source voltage quilt
It is applied to the first light source of display board.
If control circuit for light source is second light source control circuit 230, PWM wave receiving end 310 and PWM wave determine circuit
The terminal connection of the second PWM wave is exported in 210, the first output end 320 is connect with the first pin of display board second light source, and second
Output end 330 is connect with the second pin of display board second light source.After PWM wave receiving end 310 receives the second PWM wave, pass through
Second light source control circuit output end exports second light source voltage corresponding with the second PWM wave duty ratio, second light source voltage quilt
It is applied to the second light source of display board.
If control circuit for light source is third control circuit for light source 240, PWM wave receiving end 310 and PWM wave determine circuit
The terminal connection of third PWM wave is exported in 210, the first output end 320 is connect with the first pin of display board third light source, and second
Output end 330 is connect with the second pin of display board third light source.After PWM wave receiving end 310 receives third PWM wave, pass through
Third control circuit for light source output end exports third light source voltage corresponding with third PWM wave duty ratio, third light source voltage quilt
It is applied to the third light source of display board.
In the above-described embodiments, it is controlled by the power that pwm pulse signal respectively shines to three road light sources, thus
So that display board shows corresponding color, so user according to display board color it may determine that the height of current environmental temperature out
It is low.
In another embodiment of the disclosure, PWM wave determines that circuit 210 is also used to determine first according to the first primary color values
PWM wave output frequency, and first PWM wave with the first PWM wave output frequency is exported, second is determined according to the second primary color values
PWM wave output frequency, and second PWM wave with the second PWM wave output frequency is exported, third is determined according to third primary color values
PWM wave output frequency, and export the third PWM wave with third PWM wave output frequency.First light source control circuit 220 exports
First light source voltage corresponding with the first PWM wave output frequency.The output of second light source control circuit 230 is exported with the second PWM wave
The corresponding second light source voltage of frequency.Third control circuit for light source 240 exports third light corresponding with third PWM wave output frequency
Source voltage.First light source voltage is applied to display board first light source, and second light source voltage is applied to display board second light source,
Third light source voltage is applied to display board third light source.
In this embodiment, the output frequency per PWM wave all the way is extrapolated, to reduce the fluctuation of light source voltage, in turn
It avoids flashing when display board display color.
Fig. 4 is the structural schematic diagram of one embodiment of disclosure temperature controller.The temperature controller include temperature sensor 410,
Control circuit 420 and display board 430.Control circuit 420 is described in detail in the above-described embodiments, herein no longer into one
Step illustrates.
Temperature sensor 410 is, for example, environment temperature sensing package, for acquiring current environmental temperature value, and by current environmental temperature
Value is transmitted to control circuit 420.
Control circuit 420 exports the light that three tunnel light source voltages are exported to display board 430, display board 430 according to control circuit
Source voltage shows different colors.Wherein, display board is, for example, LCD panel, is specifically as follows Duan Shi LCD panel.
In this embodiment, three tunnel light source voltages are respectively applied on three road light sources of display board, and three road light sources issue
Different strong and weak light, the principle of the proportion based on three primary colours, so that display board shows corresponding color, so that user is according to display
Plate color is it may determine that the height of current environmental temperature out.
In one embodiment, temperature value can also directly display on the display panel.
Temperature controller will be introduced with a specific embodiment below, wherein the display board of the temperature controller uses liquid crystal
Display board, LCD panel use the backlight wick of tri- kinds of colors of RGB, draw three tunnel backlight control pins, for example, A1 K1,
A1 K2, A3 K3.
Temperature sensor real-time monitoring current environmental temperature, control circuit obtain current accurately environment temperature by AD sampling
Angle value.It wherein, can be electric to light source control by adjusting the duty ratio of output PWM waveform if LCD backlight voltage rating is 5V
The capacitor on road carries out charge and discharge control, and the voltage for making it supply LCD backlight pin is maintained between 0V-5V.Duty ratio is 0%
When, it exports and exports for 0V when duty ratio is 100% as 5V.
Different environment temperatures corresponds to different three primary colours, and the corresponding three tunnel PWM waves of three primary colours, the duty ratio of PWM wave is different,
The voltage of output is also just different, and LCD panel shows different backlights.For example, control A1 the PWM wave duty ratio of K1 be
100%, A2 K2 and A3 K3 PWM wave duty ratio be 0% when, backlight be it is pure red.If A1 K1 and A2 K2 two-way be all
When 100%, A3 K3 be 0% when, show yellow.It can similarly show pure green and pure blue.Further, according to three primary colours
The principle of proportion can show various colors, achieve the effect that electrodeless adjustment.
In this embodiment, completely newly upgraded in the technology of available liquid crystal, pass through backlight wick, circuit and specific
Control strategy realizes that temperature controller display color carries out the transformation of tone with the change of environment temperature, and the moment can be a kind of to user
It is intuitive to influence.For example, when the temperature of the surroundings is low, temperature controller can show cool tone, such as blue；When temperature is more comfortable
When, it can show a kind of tone of health energy-saving, such as green；When environment temperature is higher, a kind of warm tones, such as orange can be shown
Yellow etc..The display interface of the display board is clear, beautiful, and multiple color free switching is shown, improves interactive experience；In addition,
The cost of the program and existing segment liquid crystal maintain an equal level.
In one embodiment, the disclosure protects a kind of electrical equipment, the electrical equipment include above-mentioned control circuit or
Temperature controller.
Fig. 5 is the flow diagram of the one embodiment for the method that the disclosure adjusts display color with temperature inversion.
In step 510, current environmental temperature value is obtained.
In step 520, the first primary color values, the second primary color values and third base of display board are determined according to current environmental temperature value
Color value.
In step 530, display board first light source is controlled according to the first primary color values and the mapping relations of first light source voltage
Voltage, according to the voltage of the second primary color values and the mapping relations of second light source voltage control display board second light source, according to third
The voltage of the mapping relations of primary color values and third light source voltage control display board third light source.
In one embodiment, the first PWM wave duty ratio can be determined according to the first primary color values, and is exported with first
First PWM wave of PWM wave duty ratio exports first light source voltage corresponding with the first PWM wave duty ratio according to the first PWM wave；
The second PWM wave duty ratio is determined according to the second primary color values, and exports second PWM wave with the second PWM wave duty ratio, according to the
Two PWM waves export second light source voltage corresponding with the second PWM wave duty ratio；Determine that third PWM wave accounts for according to third primary color values
Empty ratio, and the third PWM wave with third PWM wave duty ratio is exported, according to the output of third PWM wave and third PWM wave duty ratio
Corresponding third light source voltage.
In this embodiment, tristimulus value is determined according to current environmental temperature value, further according to tristimulus value and each road light source
Voltage relationship, the light source voltage of display board is controlled, so that display board shows different face according to different environment temperatures
Color, the user experience is improved.
In another embodiment of the disclosure, the first PWM output frequency can also be determined according to the first primary color values, and defeated
Provide the first PWM wave of the first PWM output frequency；The 2nd PWM output frequency is determined according to the second primary color values, and output has
Second PWM wave of the 2nd PWM output frequency；The 3rd PWM output frequency is determined according to third primary color values, and is exported with third
The third PWM wave of PWM output frequency.First light source voltage is applied to display board first light source, and second light source voltage is applied
To display board second light source, third light source voltage is applied to display board third light source.
In this embodiment, the output frequency per PWM wave all the way is extrapolated, to reduce the fluctuation of light source voltage, in turn
It avoids flashing when display board display color.
Fig. 6 is the structural schematic diagram of the one embodiment for the device that the disclosure adjusts display color with temperature inversion.The dress
It sets including memory 610 and processor 620.Wherein: memory 610 can be disk, flash memory or other any non-volatile deposit
Storage media.Memory 610 is used to store the instruction in embodiment corresponding to Fig. 5.Processor 620 is coupled to memory 610, can be with
Implement as one or more integrated circuits, such as microprocessor or microcontroller.The processor 620 is for executing memory
The instruction of middle storage.
It in one embodiment, can be as shown in fig. 7, the device 700 includes memory 710 and processor 720.Processing
Device 720 is coupled to memory 710 by BUS bus 730.The device 700 can also be connected to outside by memory interface 740 and deposit
Storage device 750 can also be connected to network or an other department of computer science to call external data by network interface 760
System (not shown), no longer describes in detail herein.
In this embodiment, it is instructed by memory stores data, then above-metioned instruction is handled by processor, enabled to
Display board shows different colors according to different environment temperatures.
In another embodiment, a kind of computer readable storage medium, is stored thereon with computer program instructions, this refers to
The step of order realizes the method in embodiment corresponding to Fig. 5 when being executed by processor.It should be understood by those skilled in the art that, this
Disclosed embodiment can provide as method, apparatus or computer program product.Therefore, complete hardware implementation can be used in the disclosure
The form of example, complete software embodiment or embodiment combining software and hardware aspects.Moreover, the disclosure can be used at one
Or multiple wherein includes that the computer of computer usable program code can use non-transient storage medium (including but not limited to magnetic
Disk storage, CD-ROM, optical memory etc.) on the form of computer program product implemented.
The disclosure is reference according to the method for the embodiment of the present disclosure, the flow chart of equipment (system) and computer program product
And/or block diagram describes.It should be understood that each process in flowchart and/or the block diagram can be realized by computer program instructions
And/or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer programs to refer to
Enable the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate
One machine so that by the instruction that the processor of computer or other programmable data processing devices executes generate for realizing
The device for the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
So far, the disclosure is described in detail.In order to avoid covering the design of the disclosure, it is public that this field institute is not described
The some details known.Those skilled in the art as described above, completely it can be appreciated how implementing technology disclosed herein
Scheme.
Although being described in detail by some specific embodiments of the example to the disclosure, the skill of this field
Art personnel it should be understood that above example merely to be illustrated, rather than in order to limit the scope of the present disclosure.The skill of this field
Art personnel are it should be understood that can modify to above embodiments in the case where not departing from the scope of the present disclosure and spirit.This public affairs
The range opened is defined by the following claims.
Claims (14)
1. a kind of control circuit, comprising:
Temperature acquiring unit, for obtaining current environmental temperature value；
Tristimulus value determination unit, for determining the first primary color values, the second primary color values of display board according to current environmental temperature value
With third primary color values；And
Voltage control unit, for controlling display board first according to the mapping relations of first primary color values and first light source voltage
The voltage of light source, according to the electricity of second primary color values and the mapping relations of second light source voltage control display board second light source
Pressure, according to the voltage of the mapping relations of the third primary color values and third light source voltage control display board third light source.
2. control circuit according to claim 1, wherein the voltage control unit includes:
Pulse width modulation (PWM) wave determines circuit, for determining the first PWM wave duty ratio according to first primary color values, and it is defeated
The first PWM wave for providing the first PWM wave duty ratio determines the second PWM wave duty ratio according to second primary color values, and
Second PWM wave with the second PWM wave duty ratio is exported, determines third PWM wave duty ratio according to third primary color values, and defeated
Provide the third PWM wave of the third PWM wave duty ratio；
First light source control circuit exports corresponding with the first PWM wave duty ratio for receiving first PWM wave
One light source voltage；
Second light source control circuit exports corresponding with the second PWM wave duty ratio for receiving second PWM wave
Two light source voltages；And
Third control circuit for light source exports corresponding with the third PWM wave duty ratio for receiving the third PWM wave
Three light source voltages.
3. control circuit according to claim 2, wherein
The PWM wave determines that circuit is also used to determine the first PWM wave output frequency according to first primary color values, and output has
First PWM wave of the first PWM wave output frequency determines the second PWM wave output frequency according to second primary color values, and defeated
The second PWM wave for providing the second PWM wave output frequency determines third PWM wave output frequency according to the third primary color values
Rate, and export the third PWM wave with the third PWM wave output frequency.
4. the control circuit according to claim 2, wherein the first light source control circuit, second light
Each of source control circuit and the third control circuit for light source control circuit for light source includes:
PWM wave receiving end；
First output end；
Second output terminal；
Switching device, the control terminal of the switching device are connect with the PWM wave receiving end, the first end of the switching device with
The first output end connection；And
Capacitor, the first end of the capacitor are connect with the first end of the switching device, the second end of the capacitor with
The second output terminal connection, and the second end of the capacitor is connect with power voltage terminal.
5. the control circuit according to claim 4, wherein the first light source control circuit, second light
Each of source control circuit and the third control circuit for light source control circuit for light source further include:
First resistor device is arranged between the control terminal of the switching device and the PWM wave receiving end；And
Second resistor is arranged between the second output terminal and the power voltage terminal.
6. the control circuit according to claim 4, wherein
The PWM wave receiving end of the first light source control circuit and the PWM wave, which determine, exports first PWM wave in circuit
Terminal connection, the first output end of the first light source control circuit are connect with the first pin of the display board first light source；
The second output terminal of the first light source control circuit is connect with the second pin of the display board first light source；
The PWM wave receiving end of the second light source control circuit and the PWM wave, which determine, exports second PWM wave in circuit
Terminal connection, the first output end of the second light source control circuit are connect with the first pin of the display board second light source；
The second output terminal of the second light source control circuit is connect with the second pin of the display board second light source；
The PWM wave receiving end of the third control circuit for light source and the PWM wave, which determine, exports the third PWM wave in circuit
Terminal connection, the first output end of the third control circuit for light source are connect with the first pin of the display board third light source；
The second output terminal of the third control circuit for light source is connect with the second pin of the display board third light source.
7. according to any control circuit of claim 4-6, wherein the switching device is triode；
The control terminal of the triode is base stage, is connect with the PWM wave receiving end；
The first end of the triode is connect with first output end；
The second end of the triode is grounded.
8. a kind of temperature controller, including temperature sensor, display board and control circuit as claimed in claim 1 to 7；
Wherein, the temperature sensor is for detecting current environmental temperature value；
It is described display panel used to show different colors in the light source voltage exported according to the control circuit.
9. a kind of electrical equipment, including control circuit as claimed in claim 1 to 7 or temperature controller according to any one of claims 8.
10. a kind of method for adjusting display color with temperature inversion, comprising:
Obtain current environmental temperature value；
The first primary color values, the second primary color values and third primary color values of display board are determined according to current environmental temperature value；
According to the voltage of first primary color values and the mapping relations of first light source voltage control display board first light source, according to institute
The voltage for stating the mapping relations control display board second light source of the second primary color values and second light source voltage, according to the third primary colours
The voltage of value and the mapping relations control display board third light source of third light source voltage.
11. according to the method described in claim 10, further include:
The first PWM wave duty ratio is determined according to first primary color values, and output has the first of the first PWM wave duty ratio
PWM wave exports first light source voltage corresponding with the first PWM wave duty ratio according to first PWM wave；
The second PWM wave duty ratio is determined according to second primary color values, and output has the second of the second PWM wave duty ratio
PWM wave exports second light source voltage corresponding with the second PWM wave duty ratio according to second PWM wave；
Third PWM wave duty ratio is determined according to the third primary color values, and exports the third with the third PWM wave duty ratio
PWM wave exports third light source voltage corresponding with the third PWM wave duty ratio according to the third PWM wave.
12. according to the method for claim 11, further includes:
The first PWM output frequency is determined according to first primary color values, and output has the first of the first PWM output frequency
PWM wave；
The 2nd PWM output frequency is determined according to second primary color values, and output has the second of the 2nd PWM output frequency
PWM wave；
The 3rd PWM output frequency is determined according to the third primary color values, and exports the third with the 3rd PWM output frequency
PWM wave.
13. a kind of device for adjusting display color with temperature inversion, comprising:
Memory；And
It is coupled to the processor of the memory, the processor is configured to based on the instruction execution for being stored in the memory
Such as the described in any item methods for adjusting display color with temperature inversion of claim 10 to 12.
14. a kind of computer readable storage medium, is stored thereon with computer program instructions, real when which is executed by processor
The step of existing claim 10 to 12 described in any item methods that display color is adjusted with temperature inversion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099372.9A CN109166509A (en) | 2018-09-20 | 2018-09-20 | Control circuit, temperature controller, equipment and method and device for adjusting display color |
| PCT/CN2018/120195 WO2020056934A1 (en) | 2018-09-20 | 2018-12-11 | Control circuit, temperature controller, device, and method and apparatus for adjusting display color |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099372.9A CN109166509A (en) | 2018-09-20 | 2018-09-20 | Control circuit, temperature controller, equipment and method and device for adjusting display color |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109166509A true CN109166509A (en) | 2019-01-08 |
Family
ID=64879824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811099372.9A Pending CN109166509A (en) | 2018-09-20 | 2018-09-20 | Control circuit, temperature controller, equipment and method and device for adjusting display color |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109166509A (en) |
| WO (1) | WO2020056934A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202435690U (en) * | 2012-02-16 | 2012-09-12 | 西南科技大学 | Flicker-prevention LED (light-emitting diode) pulse width modulation control circuit |
| CN205018337U (en) * | 2015-10-12 | 2016-02-10 | 常州大为机电科技有限公司 | Wearable device of low -voltage direct current heat |
| CN107018596A (en) * | 2017-04-14 | 2017-08-04 | 广东美的厨房电器制造有限公司 | The control method and control device of microwave oven lamp, micro-wave oven |
| CN107809831A (en) * | 2017-10-30 | 2018-03-16 | 惠州市德赛西威汽车电子股份有限公司 | One kind automatically controls atmosphere circuit for lamp according to vehicle interior temperature |
| CN207623902U (en) * | 2017-09-01 | 2018-07-17 | 广州紫麦科技有限公司 | A kind of intelligence air draught radiator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006183882A (en) * | 2004-12-24 | 2006-07-13 | Ricoh Co Ltd | Peltier element driving device and image forming device |
| CN202721868U (en) * | 2012-07-23 | 2013-02-06 | 宁波凯耀电器制造有限公司 | LED lamp brightness and color temperature control system |
| CN205001928U (en) * | 2015-10-09 | 2016-01-27 | 浙江大学台州研究院 | Seven color lamps of control by temperature change |
| CN106886235A (en) * | 2017-04-14 | 2017-06-23 | 深圳市瑞荣创电子科技有限公司 | The intelligence control system and control method of SCM Based plant incubator |
| CN207543349U (en) * | 2017-11-30 | 2018-06-26 | 共青城市超能电子科技有限公司 | Bluetooth temperature control device |
-
2018
- 2018-09-20 CN CN201811099372.9A patent/CN109166509A/en active Pending
- 2018-12-11 WO PCT/CN2018/120195 patent/WO2020056934A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202435690U (en) * | 2012-02-16 | 2012-09-12 | 西南科技大学 | Flicker-prevention LED (light-emitting diode) pulse width modulation control circuit |
| CN205018337U (en) * | 2015-10-12 | 2016-02-10 | 常州大为机电科技有限公司 | Wearable device of low -voltage direct current heat |
| CN107018596A (en) * | 2017-04-14 | 2017-08-04 | 广东美的厨房电器制造有限公司 | The control method and control device of microwave oven lamp, micro-wave oven |
| CN207623902U (en) * | 2017-09-01 | 2018-07-17 | 广州紫麦科技有限公司 | A kind of intelligence air draught radiator |
| CN107809831A (en) * | 2017-10-30 | 2018-03-16 | 惠州市德赛西威汽车电子股份有限公司 | One kind automatically controls atmosphere circuit for lamp according to vehicle interior temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020056934A1 (en) | 2020-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107342058B (en) | Method, test board, system and equipment for adjusting brightness of liquid crystal display module | |
| CN103325357B (en) | A kind of gamma voltage method of adjustment, system and electronic equipment | |
| CN105632413A (en) | Backlight regulation method, adjustment device and display device | |
| CN106297731A (en) | Strengthen the method and device of picture contrast, display screen and intelligent terminal | |
| CN103366657B (en) | Flicker regulates system | |
| CN104602411A (en) | LED brightness and chroma consistency adjusting device and method | |
| CN103906325B (en) | Illumination control method and system | |
| CN1996458A (en) | Intelligent dimming system for liquid crystal device | |
| CN203787062U (en) | Light adjusting display device used for washing machine | |
| CN102800277B (en) | A kind of for regulating method and the display device of display device color and brightness | |
| CN106531065B (en) | A kind of parallel regulating system of one-to-many gamma curve and method | |
| CN107481679A (en) | A kind of double backlight control circuits of LED and double backlight LED matrixs | |
| CN104751824B (en) | Show equipment, multi-display apparatus and its driving method including the display equipment | |
| CN104637451B (en) | A kind of display control method and electronic equipment | |
| CN201689269U (en) | Projector with colored light source | |
| CN109166509A (en) | Control circuit, temperature controller, equipment and method and device for adjusting display color | |
| CN103680467B (en) | Image processing method, device and display unit | |
| CN103491675A (en) | Single PWM multi-group driving and power consumption accurate measurement method | |
| US9232585B2 (en) | Backlight regulation circuit and liquid crystal display | |
| CN103778894A (en) | Display brightness adjusting method and device thereof | |
| CN102646395B (en) | Control device and control method of direct beck light source | |
| CN205069081U (en) | LED scanning array driver chip that luminance linear change was adjusted by oneself | |
| CN108539973A (en) | TFT-LCD displays and its driving circuit, Switching Power Supply | |
| CN205179455U (en) | Linear illumination lamps and lanterns | |
| CN204242564U (en) | Adopt the display of direct-light type LED backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190108 |
|
| RJ01 | Rejection of invention patent application after publication |