CN112305947A - Control circuit and electronic device applying same - Google Patents
Control circuit and electronic device applying same Download PDFInfo
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- CN112305947A CN112305947A CN201910678451.3A CN201910678451A CN112305947A CN 112305947 A CN112305947 A CN 112305947A CN 201910678451 A CN201910678451 A CN 201910678451A CN 112305947 A CN112305947 A CN 112305947A
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- 238000001514 detection method Methods 0.000 claims abstract description 13
- 239000003086 colorant Substances 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 26
- 230000000007 visual effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a control circuit and an electronic device applying the control circuit, wherein the electronic device comprises a power module and a display card, the power module is connected with the display card and provides input current to the display card, and the control circuit comprises: the display is used for displaying information under the support of the display card and displaying different colors according to the loading state of the display card; the detection module is connected between the power supply module and the display card and used for detecting the input current, the input current indicates the loading state of the display card, and the larger the input current is, the heavier the display card is loaded; and the microcontroller is connected with the display and the detection module and is used for grading the input current, and the microcontroller also controls the color of the display to gradually change according to the graded grade.
Description
Technical Field
The invention relates to a control circuit and an electronic device using the same.
Background
When the existing electronic device runs a game system, in order to obtain better visual effect and game atmosphere, the color change of the display is generally controlled by software, however, when the color change of the display is controlled by software, the color change is generally standard and hard.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a control circuit for controlling color change of a display according to a loading state change of a graphics card and an electronic device using the control circuit.
The utility model provides a control circuit, is applied to electron device, electron device includes power module and display card, power module with the display card links to each other, provides input current extremely the display card, control circuit includes:
the display is used for displaying information under the support of the display card and displaying different colors according to the loading state of the display card;
the detection module is connected between the power supply module and the display card and used for detecting the input current, the input current indicates the loading state of the display card, and the larger the input current is, the heavier the display card is loaded; and
and the microcontroller is connected with the display and the detection module and is used for grading the input current, and the microcontroller also controls the color of the display to gradually change according to the graded grade.
Further, the loading state includes a first state, a second state, and a third state, where the first state, the second state, and the third state are respectively defined as a graphics card light loading state, a graphics card loading state, and a graphics card heavy loading state, and correspondingly, the hierarchy includes a first level, a second level, and a third level, where a current value in the first level is smaller than a current value in the second level, and a current value in the second level is smaller than a current value in the third level.
Further, the microcontroller controls the display according to the color corresponding to the level, wherein the first level corresponds to a first color, the second level corresponds to a second color, and the third level corresponds to a third color.
Further, the microcontroller controls the display according to the color corresponding to the level, the first level corresponds to a first color, the second level corresponds to a second color, the third level corresponds to a third color, a fourth color corresponds to the space between the first level and the second level, and a fifth color corresponds to the space between the second level and the third level.
Furthermore, the detection module comprises a current shunt and a differential amplifier which are electrically connected, the current shunt is connected between the power module and the display card and used for acquiring the input current and generating a corresponding differential voltage signal, and the differential amplifier is connected with the microcontroller and used for amplifying the differential voltage signal and then outputting the amplified differential voltage signal to the microcontroller.
Further, the differential amplifier includes a first input terminal, a second input terminal, a reference voltage terminal, a ground terminal, a power terminal, and an output terminal, the first input terminal and the second input terminal are connected to the current splitter, the differential voltage signal is accessed, the reference voltage terminal and the ground terminal are grounded, the power terminal is connected to a power supply, the output terminal is connected to the microcontroller, and the differential voltage signal is amplified by the differential amplifier and then output to the microcontroller through the output terminal.
Furthermore, the differential amplifier further comprises a first capacitor, a second capacitor and a third capacitor, wherein one end of the first capacitor is connected with the power supply end, the other end of the first capacitor is grounded, one end of the second capacitor is connected with the first input end, the other end of the second capacitor is grounded, one end of the third capacitor is connected with the second input end, and the other end of the third capacitor is grounded.
Furthermore, the differential amplifier further comprises a first resistor, a second resistor and a third resistor, wherein the first resistor and the second resistor are connected in parallel between the output end and the microcontroller, one end of the third resistor is connected between the second resistor and the microcontroller, and the other end of the third resistor is grounded.
Further, the display includes at least one set of red, green and blue light emitting diodes, and the microcontroller controls the red, green and blue light emitting diodes in each set by three pulse width modulation signals to change the color of the display.
An electronic device comprises a power module, a display card and the control circuit, wherein the power module is connected with the display card and provides input current to the display card, and the control circuit is connected between the power module and the display card.
When the electronic device runs the game system, the color change of the display is controlled by monitoring the input current of the display card, and a user can visually obtain the loading state of the display card through different colors, so that connection is established between the user and hardware in a visual mode, and unique visual game experience is created.
Drawings
Fig. 1 is a functional block diagram of a control circuit and an electronic device using the control circuit according to a preferred embodiment of the invention.
Fig. 2 is a circuit diagram of a differential amplifier of the control circuit according to the preferred embodiment of the invention.
FIG. 3 is a diagram illustrating the correspondence between the color variation of the display and the input current level according to the preferred embodiment of the invention.
Description of the main elements
First input end IN +
Second input terminal IN-
Reference voltage terminal REF
Ground GND
Power end V+
Output terminal OUT
First capacitor C1
Second capacitance C2
Third capacitor C3
First resistor R1
Second resistor R2
Third resistor R3
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the control circuit and the electronic device using the control circuit of the present invention will be described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, a preferred embodiment of the invention provides an electronic device 200, and the electronic device 200 may be an electronic device such as a desktop computer, a notebook computer, or the like. The electronic device 200 may run a gaming system.
The electronic device 200 includes a power module 201, a display card 202, and a control circuit 100. The power module 201 is connected to the graphics card 202 and provides input current to the graphics card 202.
The control circuit 100 includes a display 10, a detection module 30, and a microcontroller 50. The display 10 is configured to display information under the support of the display card 202, and display different colors according to the loading state of the display card 202. The detection module 30 is connected between the power module 201 and the display card 202, and is configured to detect the input current, where the input current indicates a loading state of the display card 202, and the larger the input current is, the heavier the display card 202 is loaded. The microcontroller 50 is connected to the display 10 and the detection module 30 for grading the input current, and the microcontroller 50 controls the color of the display 10 to gradually change according to the graded grade.
In the preferred embodiment, the loading state includes a first state, a second state, and a third state. The first state, the second state, and the third state are respectively defined as a light loading state of the graphics card 202, a loading state of the graphics card 202, and a heavy loading (or full loading) state of the graphics card 202, as shown in fig. 3, correspondingly, the hierarchy includes a first level, a second level, and a third level, where a current value in the first level is smaller than a current value in the second level, and a current value in the second level is smaller than a current value in the third level. It is understood that the number of the loading states may be increased or decreased according to the actual requirement of the user to correspond to more or less loading states, and correspondingly, the number of the level divisions is also increased or decreased accordingly.
In the preferred embodiment, the microcontroller 50 controls the display 10 according to the color corresponding to the level, wherein the first level corresponds to a first color, the second level corresponds to a second color, and the third level corresponds to a third color. In the preferred embodiment, the color corresponding to the intermediate level (second level), i.e. the lightest of the second color, e.g. yellow, and the color corresponding to the lower or higher level (first level, third level), i.e. the color of the first color or the second color, is gradually darker, e.g. the first color is green and the third color is purple.
It is to be understood that the first color, the second color and the third color may be set to be gradually darker or gradually lighter.
In other embodiments, a fourth color, such as light green, may also correspond between the first level and the second level, and a fifth color, such as red, may also correspond between the second level and the third level, such that the color change of the display 10 may be made softer without being harsh.
In the preferred embodiment, the detection module 30 includes a current divider 31 and a differential amplifier 33, which are electrically connected, the current divider 31 is connected between the power module 201 and the graphics card 202, and is configured to obtain the input current and generate a corresponding differential voltage signal, and the differential amplifier 33 is connected to the microcontroller 50, and is configured to amplify the differential voltage signal and output the amplified differential voltage signal to the microcontroller 50.
Referring to fig. 2, IN the preferred embodiment, the differential amplifier 33 includes a first input terminal IN +, a second input terminal IN-, a reference voltage terminal REF, a ground terminal GND, a power terminal V +, and an output terminal OUT, the first input terminal IN + and the second input terminal IN-are connected to the current divider 31, the reference voltage terminal REF and the ground terminal GND are connected to the ground, the power terminal V + is connected to the power supply, the output terminal OUT is connected to the microcontroller 50, and the differential voltage signal is amplified by the differential amplifier 33 and then output to the microcontroller 50 through the output terminal OUT.
In the preferred embodiment, the differential amplifier 33 further includes a first capacitor C1, a second capacitor C2, and a third capacitor C3, wherein one end of the first capacitor C1 is connected to the power supply terminal V +, and the other end is grounded. One end of the second capacitor C2 is connected to the first input terminal IN +, and the other end is grounded. One end of the third capacitor C3 is connected to the second input terminal IN-, and the other end is grounded. The first capacitor C1, the second capacitor C2 and the third capacitor C3 are used to reduce noise.
In the preferred embodiment, the differential amplifier 33 further includes a first resistor R1, a second resistor R2, and a third resistor R3, the first resistor R1 and the second resistor R2 are connected in parallel between the output terminal OUT and the microcontroller 50, and one end of the third resistor R3 is connected between the second resistor R2 and the microcontroller 50, and the other end is grounded. The differential voltage signal output to the microcontroller 50 can be fine-tuned by changing the resistance values of the second resistor R2 and the third resistor R3.
In the preferred embodiment, the control circuit 100 further includes a driving module 60, the display 10 includes at least one group of red, green and blue leds, and the microcontroller 50 controls the driving module 60 to drive the red, green and blue leds in each group to be turned on or off through three pulse width modulation signals, so as to control the color of the display 10.
When the electronic device 200 runs a game system, the color change of the display 10 is controlled by monitoring the input current of the display card 202, and a user can intuitively obtain the loading state of the display card 202 through different colors, so that the connection between the user and hardware is established in a visual manner, and a unique visual game experience is created. It is understood that, when the electronic device 200 may also run other software systems, the control circuit 100 controls the color change of the display 10 to display the loading state of the hardware during the running process.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited, although the present invention is described in detail with reference to the preferred embodiments.
It will be understood by those skilled in the art that various modifications and equivalent arrangements can be made without departing from the spirit and scope of the present invention. Moreover, based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative effort will fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a control circuit, is applied to electron device, electron device includes power module and display card, power module with the display card links to each other, provides input current extremely the display card, its characterized in that, control circuit includes:
the display is used for displaying information under the support of the display card and displaying different colors according to the loading state of the display card;
the detection module is connected between the power supply module and the display card and used for detecting the input current, the input current indicates the loading state of the display card, and the larger the input current is, the heavier the display card is loaded; and
and the microcontroller is connected with the display and the detection module and is used for grading the input current, and the microcontroller also controls the color of the display to gradually change according to the graded grade.
2. The control circuit of claim 1, wherein the loading state comprises a first state, a second state and a third state, the first state, the second state and the third state are respectively defined as a light loading state of a graphics card, a loading state in a graphics card and a heavy loading state of a graphics card, and the hierarchy comprises a first level, a second level and a third level, wherein a current value in the first level is smaller than a current value in the second level, and a current value in the second level is smaller than a current value in the third level.
3. The control circuit of claim 2, wherein said microcontroller controls said display according to a color corresponding to said level, said first level corresponding to a first color, said second level corresponding to a second color, and said third level corresponding to a third color.
4. The control circuit of claim 2, wherein the microcontroller controls the display according to the color corresponding to the level, the first level corresponding to a first color, the second level corresponding to a second color, the third level corresponding to a third color, the fourth color corresponding to the first level and the second level, and the fifth color corresponding to the second level and the third level.
5. The control circuit of claim 1, wherein the detection module comprises a current splitter and a differential amplifier, the current splitter is electrically connected between the power module and the graphics card, and is configured to obtain the input current and generate a corresponding differential voltage signal, and the differential amplifier is connected to the microcontroller and is configured to amplify the differential voltage signal and output the amplified differential voltage signal to the microcontroller.
6. The control circuit according to claim 4, wherein the differential amplifier comprises a first input terminal, a second input terminal, a reference voltage terminal, a ground terminal, a power terminal, and an output terminal, the first input terminal and the second input terminal are connected to the current divider to receive the differential voltage signal, the reference voltage terminal and the ground terminal are connected to ground, the power terminal is connected to a power source, the output terminal is connected to the microcontroller, and the differential voltage signal is amplified by the differential amplifier and then output from the output terminal to the microcontroller.
7. The control circuit according to claim 5, wherein the differential amplifier further comprises a first capacitor, a second capacitor, and a third capacitor, the first capacitor having one end connected to the power supply terminal and the other end connected to ground, the second capacitor having one end connected to the first input terminal and the other end connected to ground, the third capacitor having one end connected to the second input terminal and the other end connected to ground.
8. The control circuit of claim 6, wherein the differential amplifier further comprises a first resistor, a second resistor, and a third resistor, the first resistor and the second resistor are connected in parallel between the output terminal and the microcontroller, the third resistor is connected between the second resistor and the microcontroller at one end, and the other end is grounded.
9. The control circuit of claim 4 wherein the display includes at least one set of red, green and blue light emitting diodes, the microcontroller controlling the red, green and blue light emitting diodes in each set by three pulse width modulation signals to change the color of the display.
10. An electronic device, comprising a power module, a display card and a control circuit, wherein the power module is connected to the display card to provide an input current to the display card, and the control circuit is connected between the power module and the display card, and the control circuit is the control circuit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910678451.3A CN112305947A (en) | 2019-07-25 | 2019-07-25 | Control circuit and electronic device applying same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910678451.3A CN112305947A (en) | 2019-07-25 | 2019-07-25 | Control circuit and electronic device applying same |
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| CN112305947A true CN112305947A (en) | 2021-02-02 |
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| CN201910678451.3A Pending CN112305947A (en) | 2019-07-25 | 2019-07-25 | Control circuit and electronic device applying same |
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