CN204064373U - A kind of energy-conservation LCD control system based on flow measurement device - Google Patents
A kind of energy-conservation LCD control system based on flow measurement device Download PDFInfo
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- CN204064373U CN204064373U CN201420417330.6U CN201420417330U CN204064373U CN 204064373 U CN204064373 U CN 204064373U CN 201420417330 U CN201420417330 U CN 201420417330U CN 204064373 U CN204064373 U CN 204064373U
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- 238000005259 measurement Methods 0.000 title claims abstract description 14
- 238000004134 energy conservation Methods 0.000 title claims abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to LCD control system field, particularly relate to a kind of energy-conservation LCD control system based on flow measurement device, comprise LCD energy supply control module, LCD interface module and LCD display module, described LCD energy supply control module is connected with described LCD interface module, and described LCD interface module is connected with described LCD display module.The utility model, by increasing LCD circuit power control signal on traditional LC D circuit base, realizes opening of LCD power supply and turns off control, when not needing LCD to show, close its power supply, whole LCD circuit energy consumption is significantly reduced.
Description
Technical field
The present invention relates to LCD control field, particularly relate to a kind of energy-conservation LCD control system based on flow measurement device.
Background technology
At present, in the flow measurement device on market, mostly LCD module is continued power, and no matter LCD has not in use, is all in energising display state, this concerning with battery be power supply flow measurement device, cause unnecessary energy consumption.
Summary of the invention
The present invention, for reducing the unnecessary energy consumption of LCD system, provides a kind of energy-conservation LCD control system based on flow measurement device:
Comprise LCD energy supply control module, LCD interface module and LCD display module, described LCD energy supply control module is connected with described LCD interface module, and described LCD interface module is connected with described LCD display module, described LCD energy supply control module comprises P channel MOS tube, for the power supply port powering to described LCD display module, for controlling the first signal control port of described LCD energy supply control module break-make, first resistance and the first electric capacity, described power supply port is connected with the grid of the first resistance with ground wire and described P channel MOS tube respectively by the first electric capacity, described power supply port is also connected with the source electrode of described P channel MOS tube, the grid of described P channel MOS tube is connected with the first signal control port, the drain electrode of described P channel MOS tube is the output terminal of described LCD energy supply control module, when the signal of described first signal control port is high level, described P channel MOS tube turns off, now whole LCD system is in off-position, LCD does not work, when the signal of described first signal control port is low level, the VGS of described P channel MOS tube is for opening negative pressure, and the supply voltage that the drain electrode output of described P channel MOS tube is identical with source electrode, LCD works.
Further, described LCD interface module comprises LCD interface, second resistance, 3rd resistance, 4th resistance, the 5th resistance, the 6th resistance, 7th resistance, the 8th resistance and secondary signal control end, the 3rd signal control end, the 4th signal control end, the 5th signal control end, the 6th signal control end, the 7th signal control end, the 8th signal control end for controlling LCD display module;
Described secondary signal control end, 3rd signal control end, 4th signal control end, 5th signal control end, 6th signal control end, 7th signal control end, 8th signal control end, respectively by the second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, the pin 2 of the 8th resistance and described LCD interface, the pin 3 of described LCD interface, the pin 4 of described LCD interface, the pin 5 of described LCD interface, the pin 6 of described LCD interface, the pin 9 of described LCD interface, the pin 10 of described LCD interface connects, described second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance is used for protecting the I/O mouth of the flow measurement device main control module producing described control signal, improve its antistatic effect,
The pin 7 of described LCD interface is connected with the output terminal of described LCD energy supply control module, and the pin 1 of described LCD interface, the pin 8 of described LCD interface, the pin 11 of described LCD interface, the pin 12 of described LCD interface are connected with ground wire respectively.
The present invention has following beneficial effect: the energy-conservation LCD control system based on flow measurement device provided by the invention, by increasing LCD system power control signal on traditional LC D circuit base, realize opening of LCD power supply and turn off control, when not needing LCD to show, close its power supply, whole LCD system energy consumption is significantly reduced.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present invention.
Fig. 2 is circuit diagram of the present invention.
Wherein, I is LCD energy supply control module, and II is LCD interface module, and III is LCD display module.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
embodiment 1
As shown in Figure 1 and Figure 2, for reducing the unnecessary energy consumption of LCD circuit, a kind of energy-conservation LCD control system based on flow measurement device is provided:
Comprise LCD energy supply control module I, LCD interface module II and LCD display module III, described LCD energy supply control module I is connected with described LCD interface module II, and described LCD interface module II is connected with described LCD display module III, described LCD energy supply control module I comprises P channel MOS tube Q1, for the power supply port VDD-L powering to described LCD display module, for controlling the first signal control port LCD_POWER_CON of described LCD energy supply control module break-make, first resistance R1 and the first electric capacity C1, described power supply port VDD-L is connected with the grid of ground wire GND and described P channel MOS tube Q1 with the first resistance R1 respectively by the first electric capacity C1, described power supply port VDD-L is also connected with the source electrode of described P channel MOS tube Q1, the grid of described P channel MOS tube Q1 is connected with the first signal control port LCD_POWER_CON, the drain electrode of described P channel MOS tube is the output terminal VDD-LCD of described LCD energy supply control module, when the signal of described first signal control port LCD_POWER_CON is high level, described P channel MOS tube Q1 turns off, now whole LCD system is in off-position, LCD does not work, when the signal of described first signal control port LCD_POWER_CON is low level, the VGS of described P channel MOS tube Q1 is for opening negative pressure, and the supply voltage that the drain electrode output of described P channel MOS tube Q1 is identical with source electrode, LCD works.
Further, described LCD interface module II comprises LCD interface J1, second resistance R2,3rd resistance R3,4th resistance R4,5th resistance R5,6th resistance R6,7th resistance R7, the 8th resistance R8 and secondary signal control end LCD_CS, the 3rd signal control end LCD_RES, the 4th signal control end LCD_A0, the 5th signal control end LCD_SCK, the 6th signal control end LCD_SDA, the 7th signal control end LCD_BLA, the 8th signal control end LCD_BLK for controlling LCD display module III.
Secondary signal control end LCD_CS, 3rd signal control end LCD_RES, 4th signal control end LCD_A0, 5th signal control end LCD_SCK, 6th signal control end LCD_SDA, 7th signal control end LCD_BLA, 8th signal control end LCD_BLK is respectively by the second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, the pin 2 of the 8th resistance R8 and described LCD interface J1, the pin 3 of described LCD interface J1, the pin 4 of described LCD interface J1, the pin 5 of described LCD interface J1, the pin 6 of described LCD interface J1, the pin 9 of described LCD interface J1, the pin 10 of described LCD interface J1 connects, described second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance is used for protecting the I/O mouth of the flow measurement device main control module producing described control signal, improve its antistatic effect.
The pin 7 of described LCD interface J1 is connected with the output terminal VDD-LCD of described LCD energy supply control module, and the pin 1 of described LCD interface J1, the pin 8 of described LCD interface J1, the pin 11 of described LCD interface J1, the pin 12 of described LCD interface J1 are connected with ground wire GND respectively.
The present invention has following beneficial effect: the energy-conservation LCD control system based on flow measurement device provided by the invention, by increasing LCD circuit power control signal on traditional LC D circuit base, realize opening of LCD power supply and turn off control, when not needing LCD to show, close its power supply, whole LCD system energy consumption is significantly reduced.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. the energy-conservation LCD control system based on flow measurement device, comprise LCD energy supply control module, LCD interface module and LCD display module, described LCD energy supply control module is connected with described LCD interface module, and described LCD interface module is connected with described LCD display module, it is characterized in that, described LCD energy supply control module comprises P channel MOS tube, for the power supply port powering to described LCD display module, for controlling the first signal control port of described LCD energy supply control module break-make, first resistance and the first electric capacity, described power supply port is connected with the grid of the first resistance with ground wire and described P channel MOS tube respectively by the first electric capacity, described power supply port is also connected with the source electrode of described P channel MOS tube, the grid of described P channel MOS tube is connected with the first signal control port, the drain electrode of described P channel MOS tube is the output terminal of described LCD energy supply control module.
2. the energy-conservation LCD control system based on flow measurement device according to claim 1, it is characterized in that, described LCD interface module comprises LCD interface, second resistance, the 3rd resistance, the 4th resistance, 5th resistance, 6th resistance, the 7th resistance, the 8th resistance and secondary signal control end, the 3rd signal control end, the 4th signal control end, the 5th signal control end, the 6th signal control end, the 7th signal control end, the 8th signal control end for controlling LCD display module;
Described secondary signal control end, the 3rd signal control end, the 4th signal control end, the 5th signal control end, the 6th signal control end, the 7th signal control end, the 8th signal control end, respectively by the second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, the 8th resistance is connected with the pin 9 of the pin 6 of the pin 5 of the pin 4 of the pin 3 of the pin 2 of described LCD interface, described LCD interface, described LCD interface, described LCD interface, described LCD interface, described LCD interface, the pin 10 of described LCD interface;
The pin 7 of described LCD interface is connected with the output terminal of described LCD energy supply control module, and the pin 1 of described LCD interface, the pin 8 of described LCD interface, the pin 11 of described LCD interface, the pin 12 of described LCD interface are connected with ground wire respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417330.6U CN204064373U (en) | 2014-07-28 | 2014-07-28 | A kind of energy-conservation LCD control system based on flow measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417330.6U CN204064373U (en) | 2014-07-28 | 2014-07-28 | A kind of energy-conservation LCD control system based on flow measurement device |
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| Publication Number | Publication Date |
|---|---|
| CN204064373U true CN204064373U (en) | 2014-12-31 |
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|---|---|---|---|
| CN201420417330.6U Expired - Lifetime CN204064373U (en) | 2014-07-28 | 2014-07-28 | A kind of energy-conservation LCD control system based on flow measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089675A (en) * | 2014-07-28 | 2014-10-08 | 成都千嘉科技有限公司 | Energy-saving LCD control system based on flow measurement device |
-
2014
- 2014-07-28 CN CN201420417330.6U patent/CN204064373U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089675A (en) * | 2014-07-28 | 2014-10-08 | 成都千嘉科技有限公司 | Energy-saving LCD control system based on flow measurement device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 536, Section 1, airport 1st Road, Shuangliu Southwest Airport, Chengdu, Sichuan 610211 Patentee after: Chengdu Qianjia Technology Co.,Ltd. Address before: No. 536, Section 1, airport 1st Road, Shuangliu Southwest Airport, Chengdu, Sichuan 610211 Patentee before: Chengdu Qianjia Technology Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |