CN104089675A - Energy-saving LCD control system based on flow measurement device - Google Patents
Energy-saving LCD control system based on flow measurement device Download PDFInfo
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- CN104089675A CN104089675A CN201410361317.8A CN201410361317A CN104089675A CN 104089675 A CN104089675 A CN 104089675A CN 201410361317 A CN201410361317 A CN 201410361317A CN 104089675 A CN104089675 A CN 104089675A
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Abstract
The invention relates to the field of LCD control systems, in particular to an energy-saving LCD control system based on a flow measurement device. The LCD control system comprises an LCD power supply control module, an LCD interface module and an LCD display module, wherein the LCD power supply control module is connected with the LCD interface module, and the LCD interface module is connected with the LCD display module. According to the LCD control system, because an LCD circuit power supply control signal is added on the basis of a traditional LCD circuit, an LCD power supply can be controlled to be turned on and off, the power supply is turned off when no LCDs are needed for display, and therefore the energy consumption of the whole LCD circuit can be substantially reduced.
Description
Technical field
The present invention relates to LCD control field, relate in particular 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, no matter LCD has, is not using, and all in energising show state, this,, concerning take the flow measurement device that battery is power supply, has caused 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 to described LCD display module power supply, for controlling the first signal control port of described LCD energy supply control module break-make, the first resistance and the first electric capacity, described power supply port is connected with the grid of described P channel MOS tube with ground wire with the first resistance by the first electric capacity respectively, 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 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 turn-offs, 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, the drain electrode output supply voltage identical with source electrode of described P channel MOS tube, LCD work.
Further, described LCD interface module comprises LCD interface, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance and for controlling secondary signal control end, the 3rd signal controlling end, the 4th signal controlling end, the 5th signal controlling end, the 6th signal controlling end, the 7th signal controlling end, the 8th signal controlling end of LCD display module.
Described secondary signal control end, the 3rd signal controlling end, the 4th signal controlling end, the 5th signal controlling end, the 6th signal controlling end, the 7th signal controlling end, the 8th signal controlling end, respectively by the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 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 the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance is for protecting producing the I/O mouth of the flow measurement device main control module of 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 increase LCD system power supply control signal on traditional LC D circuit base, realize opening of LCD power supply and turn-off control, in the situation that 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 clearer, 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, is 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, provide a kind of energy-conservation LCD control system based on flow measurement device.
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 to described LCD display module power supply, for controlling the first signal control port LCD_POWER_CON of described LCD energy supply control module break-make, the first resistance R 1 and the first capacitor C 1, described power supply port VDD-L is connected with the grid of described P channel MOS tube Q1 with ground wire GND with the first resistance R 1 by the first capacitor C 1 respectively, 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 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 turn-offs, 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, the drain electrode output supply voltage identical with source electrode of described P channel MOS tube Q1, LCD work.
Further, described LCD interface module II comprises LCD interface J1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the eight resistance R 8 and for controlling secondary signal control end LCD_CS, the 3rd signal controlling end LCD_RES, the 4th signal controlling end LCD_A0, the 5th signal controlling end LCD_SCK, the 6th signal controlling end LCD_SDA, the 7th signal controlling end LCD_BLA, the 8th signal controlling end LCD_BLK of LCD display module III.
Secondary signal control end LCD_CS, the 3rd signal controlling end LCD_RES, the 4th signal controlling end LCD_A0, the 5th signal controlling end LCD_SCK, the 6th signal controlling end LCD_SDA, the 7th signal controlling end LCD_BLA, the 8th signal controlling end LCD_BLK is respectively by the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the pin 2 of the 8th resistance R 8 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 the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance is for protecting producing the I/O mouth of the flow measurement device main control module of 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 12 of the pin 8 of the pin 1 of described LCD interface J1, described LCD interface J1, the pin 11 of described LCD interface J1, described LCD interface J1 is 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 increase LCD circuit power control signal on traditional LC D circuit base, realize opening of LCD power supply and turn-off control, in the situation that 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 modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in 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 to described LCD display module power supply, for controlling the first signal control port of described LCD energy supply control module break-make, the first resistance and the first electric capacity, described power supply port is connected with the grid of described P channel MOS tube with ground wire with the first resistance by the first electric capacity respectively, 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 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, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance and for controlling secondary signal control end, the 3rd signal controlling end, the 4th signal controlling end, the 5th signal controlling end, the 6th signal controlling end, the 7th signal controlling end, the 8th signal controlling end of LCD display module;
Described secondary signal control end, the 3rd signal controlling end, the 4th signal controlling end, the 5th signal controlling end, the 6th signal controlling end, the 7th signal controlling end, the 8th signal controlling end, respectively by the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance with the pin 2 of described LCD interface, the pin 4 of the pin 3 of described LCD interface, described LCD interface, the pin 6 of the pin 5 of described LCD interface, described LCD interface, the pin 10 of the pin 9 of described LCD interface, described LCD interface be connected;
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 |
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| CN201410361317.8A CN104089675A (en) | 2014-07-28 | 2014-07-28 | Energy-saving LCD control system based on flow measurement device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410361317.8A CN104089675A (en) | 2014-07-28 | 2014-07-28 | Energy-saving LCD control system based on flow measurement device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776932A (en) * | 2015-04-20 | 2015-07-15 | 成都千嘉科技有限公司 | Temperature detection system applied to gas meter |
| CN111791737A (en) * | 2020-07-07 | 2020-10-20 | 杭州超翔科技有限公司 | Flexibly configurable single-gun and multi-gun alternating-current charging pile |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1744029A (en) * | 2005-10-19 | 2006-03-08 | 康佳集团股份有限公司 | Subscriber-programmable mobile phone LCD interface configuration |
| CN101425218A (en) * | 2007-10-29 | 2009-05-06 | 吉林市曼博科技有限公司 | Intelligent telemetering water meter based on wireless sensor network |
| CN201440078U (en) * | 2009-07-21 | 2010-04-21 | 深圳和而泰智能控制股份有限公司 | Electronic water meter |
| CN101977271A (en) * | 2010-10-19 | 2011-02-16 | 惠州Tcl移动通信有限公司 | Method for reducing consumption of mobile phone battery and mobile phone thereof |
| CN102025282A (en) * | 2009-09-17 | 2011-04-20 | 群康科技(深圳)有限公司 | Power control circuit and electronic device provided with same |
| CN201926975U (en) * | 2010-12-27 | 2011-08-10 | 福建省蓝图节能投资有限公司 | Energy-saving control device |
| CN102592542A (en) * | 2012-02-27 | 2012-07-18 | 深圳市明微电子股份有限公司 | Blanking control circuit for LED (light-emitting diode) display screens and LED drive chip |
| CN202352303U (en) * | 2011-11-23 | 2012-07-25 | 黄山市中显微电子有限公司 | Liquid crystal display module with Chinese font library |
| CN202396132U (en) * | 2011-12-22 | 2012-08-22 | 青岛海信电器股份有限公司 | Fan radiating control circuit and television |
| CN203688529U (en) * | 2014-01-02 | 2014-07-02 | 沈阳大学 | Intelligent detection device for steam dryness |
| CN204064373U (en) * | 2014-07-28 | 2014-12-31 | 成都千嘉科技有限公司 | A kind of energy-conservation LCD control system based on flow measurement device |
-
2014
- 2014-07-28 CN CN201410361317.8A patent/CN104089675A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1744029A (en) * | 2005-10-19 | 2006-03-08 | 康佳集团股份有限公司 | Subscriber-programmable mobile phone LCD interface configuration |
| CN101425218A (en) * | 2007-10-29 | 2009-05-06 | 吉林市曼博科技有限公司 | Intelligent telemetering water meter based on wireless sensor network |
| CN201440078U (en) * | 2009-07-21 | 2010-04-21 | 深圳和而泰智能控制股份有限公司 | Electronic water meter |
| CN102025282A (en) * | 2009-09-17 | 2011-04-20 | 群康科技(深圳)有限公司 | Power control circuit and electronic device provided with same |
| CN101977271A (en) * | 2010-10-19 | 2011-02-16 | 惠州Tcl移动通信有限公司 | Method for reducing consumption of mobile phone battery and mobile phone thereof |
| CN201926975U (en) * | 2010-12-27 | 2011-08-10 | 福建省蓝图节能投资有限公司 | Energy-saving control device |
| CN202352303U (en) * | 2011-11-23 | 2012-07-25 | 黄山市中显微电子有限公司 | Liquid crystal display module with Chinese font library |
| CN202396132U (en) * | 2011-12-22 | 2012-08-22 | 青岛海信电器股份有限公司 | Fan radiating control circuit and television |
| CN102592542A (en) * | 2012-02-27 | 2012-07-18 | 深圳市明微电子股份有限公司 | Blanking control circuit for LED (light-emitting diode) display screens and LED drive chip |
| CN203688529U (en) * | 2014-01-02 | 2014-07-02 | 沈阳大学 | Intelligent detection device for steam dryness |
| CN204064373U (en) * | 2014-07-28 | 2014-12-31 | 成都千嘉科技有限公司 | A kind of energy-conservation LCD control system based on flow measurement device |
Non-Patent Citations (2)
| Title |
|---|
| 周伶: "240×64点阵式液晶显示模块的应用", 《电机电器技术》 * |
| 李维諟，郭强，周云仙: "《液晶显示应用手册》", 31 August 2002 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776932A (en) * | 2015-04-20 | 2015-07-15 | 成都千嘉科技有限公司 | Temperature detection system applied to gas meter |
| CN104776932B (en) * | 2015-04-20 | 2017-12-08 | 成都千嘉科技有限公司 | System for detecting temperature for gas meter, flow meter |
| CN111791737A (en) * | 2020-07-07 | 2020-10-20 | 杭州超翔科技有限公司 | Flexibly configurable single-gun and multi-gun alternating-current charging pile |
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Application publication date: 20141008 |