CN103226888B - A kind of infrared remote control intelligent energy-saving standby system power circuit of Based Intelligent Control - Google Patents
A kind of infrared remote control intelligent energy-saving standby system power circuit of Based Intelligent Control Download PDFInfo
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- CN103226888B CN103226888B CN201310158257.5A CN201310158257A CN103226888B CN 103226888 B CN103226888 B CN 103226888B CN 201310158257 A CN201310158257 A CN 201310158257A CN 103226888 B CN103226888 B CN 103226888B
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Abstract
The invention discloses a kind of infrared remote control intelligent energy-saving standby system power circuit of Based Intelligent Control, it comprises remote control reception module, standby signal processing module and power standby module, remote control reception module comprises an infrared receiver chip U2 and wave filter, standby signal processing module comprises a signal processing chip U1 and jumper cap, and power standby module comprises triode Q1 and field effect transistor Q2; The output of infrared receiver chip U2 is connected with wave filter, the output of wave filter inputs with the enable of signal processing chip U1 and is connected, the output of signal processing chip U1 is connected with the base stage of triode Q1, the collector of triode Q1 is connected with the grid of field effect transistor Q2, the drain electrode of field effect transistor Q2 is connected with power supply input, and the source electrode of field effect transistor Q2 is connected with power output end.The present invention effectively can reduce the power consumption of electronic product and extend serviceable life of electronic product.
Description
Technical field
The present invention relates to a kind of power circuit, particularly a kind of infrared remote control intelligent energy-saving standby system power circuit of Based Intelligent Control.
Background technology
The infrared remote-control device of existing low power electronics product energy-saving standby function, system master chip is all adopted to receive infrared remote control standby signal, when system master chip analyzes idle function requirement, send idle function signal by system master chip to go to control corresponding power supply, because system master chip system is always in running order, therefore adopt the electronic product stand-by power consumption of this type of control technology higher, standby lowest power consumption is general all at more than 1W, and concrete stand-by power consumption is depending on the power consumption of master chip.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the infrared remote control intelligent energy-saving standby system power circuit that a kind of structure is simple, reduce a kind of Based Intelligent Control of stand-by power consumption is provided.
The object of the invention is to be achieved through the following technical solutions: a kind of infrared remote control intelligent energy-saving standby system power circuit of Based Intelligent Control, it comprises remote control reception module, standby signal processing module and power standby module, described remote control reception module at least comprises one for receiving an infrared receiver chip U2 and wave filter of telepilot infrared signal, described standby signal processing module at least comprises a signal processing chip U1 and jumper cap for the treatment of standby signal, described power standby module comprises triode Q1 and field effect transistor Q2, the output of infrared receiver chip U2 is connected with wave filter, the output of wave filter inputs with the enable of signal processing chip U1 and is connected, the output of signal processing chip U1 is connected with the base stage of triode Q1, the collector of triode Q1 is connected with the grid of field effect transistor Q2, the drain electrode of field effect transistor Q2 is connected with power supply input, the source electrode of field effect transistor Q2 is connected with power output end, two fixing pins of jumper cap are connected with power end and earth terminal respectively, and the movable pin of jumper cap is connected with the gating end of signal processing chip U1.
The present invention adopts triode Q1 and field effect transistor Q2 to power to device power supply (DPS) and controls, and effectively can reduce the power consumption of electronic product and extend serviceable life of electronic product, and whole circuit structure is simple.
Accompanying drawing explanation
Fig. 1 is circuit composition diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of infrared remote control intelligent energy-saving standby system power circuit of Based Intelligent Control, it comprises remote control reception module, standby signal processing module and power standby module, described remote control reception module at least comprises one for receiving an infrared receiver chip U2 and wave filter of telepilot infrared signal, described standby signal processing module at least comprises a signal processing chip U1 and jumper cap for the treatment of standby signal, and described power standby module comprises triode Q1 and field effect transistor Q2; The output of infrared receiver chip U2 is connected with wave filter, the output of wave filter inputs with the enable of signal processing chip U1 and is connected, the output of signal processing chip U1 is connected with the base stage of triode Q1, the collector of triode Q1 is connected with the grid of field effect transistor Q2, the drain electrode of field effect transistor Q2 is connected with power supply input, the source electrode of field effect transistor Q2 is connected with power output end, two fixing pins of jumper cap are connected with power end and earth terminal respectively, and the movable pin of jumper cap is connected with the gating end of signal processing chip U1.
Infrared receiver chip U2 power input be connected with power supply by current-limiting resistance R1, resistance R2, electric capacity C1, C2 composition RC wave filter, carry out filtering to the infrared signal detected; J1 in standby signal processing module is jumper cap, when signal processing chip U1 need to learn various telepilot until the idle function that switch realizes time, jumper cap J1 is by the gating end ground connection of signal processing chip U1, during normal work, the gating end of signal processing chip U1 is connected with power supply by jumper cap J1, resistance R4, R5 ground connection is anti-interference, the ripple in filter capacitor C3, C4 filter out power, and voltage stabilizing diode D2 protects signal processing chip U1; In power standby module, resistance R7 is the pull-up resistor be added on collector to allow triode Q1 work, and electric capacity C5, C6 are the filter capacitors of the filter out power ripple when field effect transistor Q2 leads to.
Principle of work of the present invention is as follows: when (1) normally works, the gating end of signal processing chip is connected with power supply by jumper cap J1, in order to learn the idle function that switch realizes for the treatment of of various telepilot, by the gating end ground connection of jumper cap J1 by signal processing chip U1; (2) telepilot is pressed when switch, and the signal output pin of infrared receiver chip U2 detects signal, and delivers to the enable input end of signal processing chip U1 through build-out resistor R3; (3) signal processing chip U1 receives the data transmitted, and from extracting data EIC equipment identification code and the standby key system of telepilot, standby to EIC equipment identification code and telepilot key system is compared with the standby key system of the EIC equipment identification code in storer and telepilot, if consistent, represent to press and treat switch, now product systems need enter standby mode; (4) after signal processing chip U1 detects standby signal, signal processing chip U1 exports Opportunity awaiting control for linear signal, the base stage controlling triode Q1 is gone through resistance R6, Opportunity awaiting control for linear signal is after triode Q1 amplifies, directly remove controlling filed effect transistor Q2, thus make field effect transistor Q2 be in off state, so just achieve and stop to main board power supply, whole mainboard is quit work; (5) Realization of Product standby after, whole product mainboard is only remote control reception module and these two parts of standby signal processing module provide 5V power supply, therefore after product introduction holding state, power consumption is very low; (6) what this circuit can realize the various telepilot of self-adaptation treats switch.Such as, can adapt to the telepilot of televisor treats switch, when user utilizes the telepilot of televisor to make televisor be in standby, the product simultaneously also making this circuit apply is in idle function, like this without the need to user by two kinds of different telepilots, only telepilot just can make two kinds of different product introduction idle functions.
Claims (1)
1. the infrared remote control intelligent energy-saving standby system power circuit of a Based Intelligent Control, it is characterized in that: it comprises remote control reception module, standby signal processing module and power standby module, described remote control reception module at least comprises one for receiving an infrared receiver chip U2 and wave filter of telepilot infrared signal, described standby signal processing module at least comprises a signal processing chip U1 and jumper cap for the treatment of standby signal, and described power standby module comprises triode Q1 and field effect transistor Q2; The output of infrared receiver chip U2 is connected with wave filter, the output of wave filter inputs with the enable of signal processing chip U1 and is connected, the output of signal processing chip U1 is connected with the base stage of triode Q1, the collector of triode Q1 is connected with the grid of field effect transistor Q2, the drain electrode of field effect transistor Q2 is connected with power supply input, the source electrode of field effect transistor Q2 is connected with power output end, two fixing pins of jumper cap are connected with power end and earth terminal respectively, and the movable pin of jumper cap is connected with the gating end of signal processing chip U1;
The power input of infrared receiver chip U2 is connected with power supply by current-limiting resistance R1, and resistance R2, electric capacity C1, C2 form RC wave filter, carry out filtering to the infrared signal detected; When signal processing chip U1 need to learn various telepilot until the idle function that switch realizes time, jumper cap J1 is by the gating end ground connection of signal processing chip U1, during normal work, the gating end of signal processing chip U1 is connected with power supply by jumper cap J1, resistance R4, R5 ground connection is anti-interference, ripple in filter capacitor C3, C4 filter out power, voltage stabilizing diode D2 protects signal processing chip U1; In power standby module, resistance R7 is the pull-up resistor be added on collector to allow triode Q1 work, and electric capacity C5, C6 are the filter capacitors of the filter out power ripple when field effect transistor Q2 conducting;
Telepilot is pressed when switch, and the signal output pin of infrared receiver chip U2 detects signal, and delivers to the enable input end of signal processing chip U1 through build-out resistor R3; Signal processing chip U1 receives the data transmitted, and from extracting data EIC equipment identification code and the standby key system of telepilot, standby to EIC equipment identification code and telepilot key system is compared with the standby key system of the EIC equipment identification code in storer and telepilot, if consistent, represent to press and treat switch, now product systems need enter standby mode; After signal processing chip U1 detects standby signal, signal processing chip U1 exports Opportunity awaiting control for linear signal, the base stage controlling triode Q1 is gone through resistance R6, Opportunity awaiting control for linear signal is after triode Q1 amplifies, directly remove controlling filed effect transistor Q2, thus make field effect transistor Q2 be in off state, realize like this stopping to main board power supply, whole mainboard is quit work;
After Realization of Product is standby, whole product mainboard is only remote control reception module and these two parts of standby signal processing module provide 5V power supply, after product introduction holding state, power consumption is very low;
What can realize the various telepilot of self-adaptation treats switch, when user utilizes the telepilot of televisor to make televisor be in standby, the product simultaneously also making this circuit apply is in idle function, like this without the need to user by two kinds of different telepilots, only telepilot just can make two kinds of different product introduction idle functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158257.5A CN103226888B (en) | 2013-05-02 | 2013-05-02 | A kind of infrared remote control intelligent energy-saving standby system power circuit of Based Intelligent Control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158257.5A CN103226888B (en) | 2013-05-02 | 2013-05-02 | A kind of infrared remote control intelligent energy-saving standby system power circuit of Based Intelligent Control |
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| CN103226888A CN103226888A (en) | 2013-07-31 |
| CN103226888B true CN103226888B (en) | 2015-08-19 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102395016A (en) * | 2011-11-23 | 2012-03-28 | 上海大亚科技有限公司 | Control circuit structure for realization of low power standby in set-top box device |
| CN202663486U (en) * | 2012-06-12 | 2013-01-09 | 黄平 | Power supply control circuit for television |
| CN203204830U (en) * | 2013-05-02 | 2013-09-18 | 四川省迪特尔电子有限公司 | Intelligent-control power circuit for infrared remote control intelligent electricity-saving standby system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6876400B2 (en) * | 2001-12-19 | 2005-04-05 | Thomson Licensing S.A. | Apparatus and method for protecting a memory sharing signal control lines with other circuitry |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102395016A (en) * | 2011-11-23 | 2012-03-28 | 上海大亚科技有限公司 | Control circuit structure for realization of low power standby in set-top box device |
| CN202663486U (en) * | 2012-06-12 | 2013-01-09 | 黄平 | Power supply control circuit for television |
| CN203204830U (en) * | 2013-05-02 | 2013-09-18 | 四川省迪特尔电子有限公司 | Intelligent-control power circuit for infrared remote control intelligent electricity-saving standby system |
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| CN103226888A (en) | 2013-07-31 |
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