CN109194160A - Low power consumption standby circuit and equipment - Google Patents
Low power consumption standby circuit and equipment Download PDFInfo
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- CN109194160A CN109194160A CN201811021994.XA CN201811021994A CN109194160A CN 109194160 A CN109194160 A CN 109194160A CN 201811021994 A CN201811021994 A CN 201811021994A CN 109194160 A CN109194160 A CN 109194160A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention discloses a kind of low power consumption standby circuit and equipment, low power consumption standby circuit of the present invention includes current rectifying and wave filtering circuit, power supply circuit, micro energy lose infrared receiving circuit, controllable constant-current circuit, standby power and control circuit；The first end of the current rectifying and wave filtering circuit is connected with AC power source, and the second end of the current rectifying and wave filtering circuit is respectively connected with the first end of the controllable constant-current circuit and the first end of standby power；The first end of the power supply circuit is connected with the AC power source, and the second end of the power supply circuit is connected with the first end of the micro energy lose infrared receiving circuit；The second end of the micro energy lose infrared receiving circuit is connected with the second end of the controllable constant-current circuit；The third end of the controllable constant-current circuit is connected with the second end of the standby power；The third end of the standby power is connected with the control circuit, and standby power stand-by power consumption in stand-by operation is extremely low, reduces electric energy loss and economic loss.
Description
Technical field
The present invention relates to field of power supplies, in particular to a kind of low power consumption standby circuit and equipment.
Background technique
Currently, China is one of global maximum household electrical appliance production and consumption state, the rapid increasing of household electrical appliance owning amount
Length brings huge energy consumption, while also having aggravated the pollution to environment.It countries in the world can criterion by formulating and implementing
Standard promotes Energy Efficiency Labeling System to improve the energy efficiency of energy-consuming product, promotes the development of power-saving technology, to reduce nuisance
Discharge and protection environment.
In numerous household electronic products, the ownership of television set, air-conditioning and cable television box has been at forefront.It presses
0.5W need to be less than according to the stand-by power consumption of existing national standard of energy efficiency, such as TV, i.e. TV is when connecting AC power supplies, at TV
Complete machine power when standby mode is necessarily less than 0.5W.
Existing TV, in air-conditioning and cable television box, standby principle is the power management microcontroller list by low-power consumption
First (Microcontroller Unit, MCU) turns off AC power supplies or the high-power output of power supply is made to be in off working state.But
It due to MCU and energy consumption equipment, needs to power to MCU, needs to power using a low power consumption standby power supply or battery to MCU,
So that power management MCU continues power consumption in standby, waste of energy is caused.How TV, air-conditioning, cable television are reduced
The problem of power consumption of box in the standby state is current urgent need to resolve.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The purpose of the present invention is to provide a kind of low power consumption standby circuit and equipment, do not use MCU and carry out power management,
The problem of solving existing household electrical appliance MCU continuous drain when standby, causing waste of energy and economic loss.
To achieve the above object, the present invention provides a kind of low power consumption standby circuit:
The low power consumption standby circuit includes: current rectifying and wave filtering circuit, power supply circuit, micro energy lose infrared receiving circuit, controllable
Constant-current circuit, standby power and control circuit；Wherein,
The first end of the current rectifying and wave filtering circuit is connected with AC power source, the second end of the current rectifying and wave filtering circuit with it is described
The first end of controllable constant-current circuit and the first end of standby power are respectively connected with；
The first end of the power supply circuit is connected with the AC power source, the second end of the power supply circuit and micro- function
The first end for consuming infrared receiving circuit is connected；
The second end of the micro energy lose infrared receiving circuit is connected with the second end of the controllable constant-current circuit；
The third end of the controllable constant-current circuit is connected with the second end of the standby power；
The third end of the standby power is connected with the control circuit；
The current rectifying and wave filtering circuit, for alternating voltage to be become pulsating dc voltage, and to the pulsating dc voltage
It is filtered, generates DC voltage；The power supply circuit, for providing working power for the micro energy lose infrared receiving circuit；
The micro energy lose infrared receiving circuit is obtained for receiving the infrared signal of IR remote controller transmission according to the infrared signal
Starting control signal controls signal by the starting and controls the controllable constant-current circuit work；The controllable constant-current circuit is used
The standby power is maintained to continue working in generating continuous current；The standby power, for maintaining low power consumption standby circuit
It works normally；The control circuit is adjusted for the standby mode to the standby power.
Preferably, the low power consumption standby circuit further includes first capacitor, and the current rectifying and wave filtering circuit receives the exchange
The AC signal is become pulsating dc voltage by the AC signal of power supply, after the first capacitor smoothing processing, is obtained
The DC voltage is sent to the controllable constant-current circuit and the standby power by DC voltage.
Preferably, the first output end of the power supply circuit provides working power for the micro energy lose infrared receiving circuit,
The power supply circuit includes: ac input circuit and voltage regulator circuit, and the ac input circuit is receiving the AC power source
Afterwards, the voltage regulator circuit is outputed voltage signal to, is exported by first output end to institute after stablizing the voltage signal
State micro energy lose infrared receiving circuit；
The ac input circuit include: first resistor, second resistance, the second capacitor, third capacitor, first diode,
Second diode, third diode and the 4th diode；Wherein,
The first end of the first resistor is connected with the firewire of the AC power source, the second end of the first resistor and institute
The first end for stating the second capacitor is connected；The second end of second capacitor and the anode of the first diode, the described 1st
The cathode of pole pipe and the cathode of the third diode are respectively connected with the voltage regulator circuit；
The first end of the second resistance is connected with the zero curve of the AC power source, the second end of the second resistance and institute
The first end for stating third capacitor is connected, the anode of the second end of the third capacitor and the third diode, the described 4th 2
The cathode of pole pipe and the voltage regulator circuit are connected；The cathode of second diode is connected with the anode of the first diode,
The anode of the anode of second diode and the 4th diode is grounded respectively.
Preferably, the voltage regulator circuit includes the 4th capacitor, the 5th diode and the first voltage-stabiliser tube；Wherein,
The anode of the cathode of the first diode, the cathode of the third diode and the 5th diode with it is described
The cathode of first voltage-stabiliser tube is respectively connected with, and the first end of the 4th capacitor described in the cathode of the 5th diode is connected；Described
The first end of the cathode of five diodes and the 4th capacitor is connected with first output end；The anode of first voltage-stabiliser tube
It is grounded respectively with the second end of the 4th capacitor.
Preferably, the first infrared receiver hair that the micro energy lose infrared receiving circuit passes through the external IR remote controller of reception
The infrared starting-up signal of infrared starting-up signal sent handles the infrared infrared starting-up signal of starting-up signal, is started
Signal is controlled, signal is controlled by the starting, the controllable constant-current circuit is controlled；
The low power consumption standby circuit further includes the second infrared receiving terminal and 3rd resistor, the micro energy lose infrared receiver electricity
Road includes: amplifying circuit, shaping circuit, integrating circuit and emitter following circuit；Wherein,
The anode of second infrared receiving terminal is connected with the first end of the 3rd resistor, second infrared receiving terminal
Cathode and the second end of the 3rd resistor be grounded respectively；The first end of the 3rd resistor is connected with the amplifying circuit,
The amplifying circuit is connected with the shaping circuit, and the shaping circuit is connected with the integrating circuit, the integrating circuit with
The emitter following circuit is connected, and the amplifying circuit, the shaping circuit, the integrating circuit and the emitter following circuit connect respectively
Ground；
First output end of the power supply circuit and the amplifying circuit, the shaping circuit, the integrating circuit and institute
Emitter following circuit is stated to be respectively connected with；
The 3rd resistor protects second infrared receiving terminal by shunting, and second infrared receiving terminal connects
After the infrared starting-up signal of infrared starting-up signal for receiving the transmission of the first infrared receiving terminal, by the infrared infrared booting of starting-up signal
Signal successively amplifies by the amplifying circuit, the shaping circuit, the integrating circuit and the emitter following circuit, is whole
Shape, integral and buffered obtain the starting and control signal.
Preferably, the low power consumption standby circuit further includes the 5th capacitor and the 6th diode, wherein
The second output terminal output voltage of the controllable constant-current circuit is to the standby power；
5th capacitor is used to provide starting voltage for the standby power, in the third output end of the standby power
It is the 5th capacitor charging by the 6th diode when generating voltage；
The first end of 5th capacitor is respectively connected with the cathode of the 6th diode and the controllable constant-current circuit,
The second end of 5th capacitor is grounded；The anode of 6th diode is connected with the standby power.
Preferably, the controllable constant-current circuit includes: the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th
Resistance, the 9th resistance, the second voltage-stabiliser tube, the first triode and the second triode；Wherein,
The first end of 4th resistance receives the DC voltage, and the first end of the 4th resistance is steady with described second
The first end of the cathode of pressure pipe and the 5th resistance is respectively connected with；The second end of 4th resistance and first triode
Base stage be connected, the base stage of the anode of second voltage-stabiliser tube and first triode and the first end point of the 6th resistance
Xiang Lian not；The second end of 5th resistance is connected with the emitter of first triode, the second end of the 6th resistance
It is connected with the collector of second triode, the first end of the 7th resistance receives the starting control signal, and described the
The second end of seven resistance is respectively connected with the first end of the 8th resistance and the base stage of second triode, and the described 2nd 3
The emitter of pole pipe and the second end of the 8th resistance are grounded respectively, the collector of first triode and the 9th electricity
The first end of resistance is connected, and the second end of the 9th resistance is connected with the second output terminal.
Preferably, the controllable constant-current circuit is also used to generate Constant Electric Current when it is high level that the starting, which controls signal,
Stream is that the 5th capacitor carries out constant-current charge by the 9th resistance.
Preferably, the low power consumption standby circuit further includes third infrared receiving terminal；Wherein,
The third infrared receiving terminal is connected with the control circuit, and infrared off signal is sent to by the control circuit
The standby power；When the standby power is in running order, the infrared off signal is set to low level；
Within a preset time, the infrared booting that first infrared receiving terminal is sent is received by third infrared receiving terminal to believe
Infrared starting-up signal is set to high electricity when receiving the infrared starting-up signal of the infrared starting-up signal by number infrared starting-up signal
It is flat；
In the preset time, when not receiving the infrared starting-up signal of the infrared starting-up signal, infrared opened described
Machine signal is set to low level, while the infrared off signal is set to high level, so that the standby power is closed, returns to zero
Power-consumption standby state.
To achieve the above object, the present invention also provides a kind of refrigeration equipments:
The low power consumption standby equipment includes low power consumption standby circuit as described above.
For the present invention by utilizing low power consumption standby circuit and equipment, the low power consumption standby circuit includes rectifying and wave-filtering electricity
Road, power supply circuit, micro energy lose infrared receiving circuit, controllable constant-current circuit, standby power and control circuit；Wherein, the rectification
The first end of filter circuit is connected with AC power source, and the of the second end of the current rectifying and wave filtering circuit and the controllable constant-current circuit
The first end of one end and standby power is respectively connected with；The first end of the power supply circuit is connected with the AC power source, the confession
The second end of circuit is connected with the first end of the micro energy lose infrared receiving circuit；The of the micro energy lose infrared receiving circuit
Two ends are connected with the second end of the controllable constant-current circuit；The of the third end of the controllable constant-current circuit and the standby power
Two ends are connected；The third end of the standby power is connected with the control circuit, micro- when standby so as to avoid household electrical appliance
Processor continuous drain, the case where causing waste of energy generation, standby power stand-by power consumption in stand-by operation is extremely low, Neng Gouguang
It is general to be applied in the electric equipment products such as TV, air-conditioning and TV box, reduce electric energy loss and economic loss.
Detailed description of the invention
Fig. 1 is the functional block diagram of one embodiment of low power consumption standby circuit of the present invention；
Fig. 2 is the circuit structure diagram of one embodiment of low power consumption standby circuit of the present invention；
Fig. 3 is the infrared waveform diagram of IR remote controller in the application low power consumption standby circuit.
The object of the invention is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Fig. 1 is the functional block diagram of one embodiment of low power consumption standby circuit of the present invention；
As shown in Figure 1, the low power consumption standby circuit include the low power consumption standby circuit include current rectifying and wave filtering circuit Z1,
Power supply circuit Z2, micro energy lose infrared receiving circuit Z3, controllable constant-current circuit Z4, standby power Z5 and control circuit Z6；Wherein, institute
The first end for stating current rectifying and wave filtering circuit Z1 is connected with AC power source AC, the second end of the current rectifying and wave filtering circuit Z1 and described controllable
The first end of constant-current circuit Z4 and the first end of standby power Z5 are respectively connected with；The first end and the friendship of the power supply circuit Z2
Galvanic electricity source AC is connected, and the second end of the power supply circuit Z2 is connected with the first end of the micro energy lose infrared receiving circuit Z3；Institute
The second end for stating micro energy lose infrared receiving circuit Z3 is connected with the second end of the controllable constant-current circuit Z4；The controllable constant galvanic electricity
The third end of road Z4 is connected with the second end of the standby power Z5；The third end of the standby power Z5 and the control circuit
Z6 is connected.
It should be noted that the current rectifying and wave filtering circuit Z1, for alternating voltage to be become pulsating dc voltage, and to institute
It states pulsating dc voltage to be filtered, generates relatively stable DC voltage；The power supply circuit Z2, for being the micro energy lose
Infrared receiving circuit Z3 provides working power；The micro energy lose infrared receiving circuit Z3, for receiving IR remote controller transmission
Infrared signal, and then the infrared signal is amplified, shaping, integral and buffered, so that starting control signal is obtained,
The controllable constant-current circuit Z4 work is controlled by starting control signal；The controllable constant-current circuit Z4, for generating Constant Electric Current
Stream maintains the standby power Z5 to continue working；The standby power Z5, for maintaining the normal work of low power consumption standby circuit；
The control circuit Z6, for after the standby power Z5 works together, by changing the level height of infrared off signal,
And the infrared signal received closes the standby power Z5, so that the state of standby power Z5 be made to be adjusted.
For the present invention by utilizing low power consumption standby circuit and refrigeration equipment, the low power consumption standby circuit includes rectifying and wave-filtering
Circuit, power supply circuit, micro energy lose infrared receiving circuit, controllable constant-current circuit, standby power and control circuit；Wherein, described whole
The first end of stream filter circuit is connected with AC power source, the second end of the current rectifying and wave filtering circuit and the controllable constant-current circuit
First end and the first end of standby power are respectively connected with；The first end of the power supply circuit is connected with the AC power source, described
The second end of power supply circuit is connected with the first end of the micro energy lose infrared receiving circuit；The micro energy lose infrared receiving circuit
Second end is connected with the second end of the controllable constant-current circuit；The third end of the controllable constant-current circuit and the standby power
Second end is connected；The third end of the standby power is connected with the control circuit, so as to avoid household electrical appliance when standby
Microprocessor continuous drain, the case where causing waste of energy generation, standby power stand-by power consumption in stand-by operation is extremely low, can
It is widely applied in the electric equipment products such as TV, air-conditioning and TV box, reduces electric energy loss and economic loss.
Based on the functional block diagram of one embodiment of low power consumption standby circuit shown in FIG. 1, low power consumption standby of the present invention is proposed
The circuit structure diagram of one embodiment of circuit, Fig. 2 are the circuit structure diagram of one embodiment of low power consumption standby circuit of the present invention；
As shown in Fig. 2, the low power consumption standby circuit further includes first capacitor C1, the current rectifying and wave filtering circuit Z1 receives institute
The AC signal is become pulsating dc voltage by the AC signal for stating AC power source AC, smooth by the first capacitor C1
After processing, DC voltage HV+ is obtained, the DC voltage HV+ is sent to the controllable constant-current circuit Z4 and described to electromechanics
Source Z5.
It is understood that the current rectifying and wave filtering circuit Z1 is after the AC signal for receiving the AC power source AC, by institute
It states AC signal and becomes pulsating dc voltage, after the first capacitor C1 smoothing processing, can obtain relatively smoothly straight
Galvanic electricity presses HV+, is that the controllable constant-current circuit Z4 and standby power Z5 powers by the DC voltage HV+.
As shown in Fig. 2, the first output end VCC1 of the power supply circuit Z2 is that the micro energy lose infrared receiving circuit Z3 is mentioned
For working power, the power supply circuit Z2 includes: ac input circuit Z21 and voltage regulator circuit Z22, the ac input circuit
Z21 outputs voltage signal to the voltage regulator circuit Z22 after receiving the AC power source AC, stablizes the voltage signal
It is exported afterwards by the first output end VCC1 to the micro energy lose infrared receiving circuit Z3；
The ac input circuit Z21 include: first resistor R1, second resistance R2, the second capacitor C2, third capacitor C3,
First diode D1, the second diode D2, third diode D3 and the 4th diode D4；Wherein,
The first end of the first resistor R1 is connected with the firewire AC-L of the AC power source AC, the first resistor R1's
Second end is connected with the first end of the second capacitor C2；The second end of the second capacitor C2 is with the first diode D1's
Anode, the cathode of the first diode D1 and the cathode of the third diode D3 are respectively connected with the voltage regulator circuit Z22；
The first end of the second resistance R2 is connected with the zero curve AC-N of the AC power source AC, the second resistance R2's
Second end is connected with the first end of the third capacitor C3, and the second end of the third capacitor C3 is with the third diode D3's
Anode, the cathode of the 4th diode D4 and the voltage regulator circuit Z22 are connected；The cathode of the second diode D2 with it is described
The anode of first diode D1 is connected, and the anode of the second diode D2 and the anode of the 4th diode D4 connect respectively
Ground.
It should be understood that the power supply circuit Z2 provides working power for the micro energy lose infrared receiving circuit Z3, this
It is realized with main circuit first capacitor C1 altogether in embodiment using symmetrical bridge rectifier, it is defeated by described first to generate voltage
Outlet VCC1 is exported to the micro energy lose infrared receiving circuit Z3, specifically, in the ac input circuit Z21 receiving
After stating AC power source AC, the voltage regulator circuit Z22 is outputed voltage signal to, by described first after stablizing the voltage signal
Output end VCC1 is exported to the micro energy lose infrared receiving circuit Z3.
Further, the voltage regulator circuit Z22 includes the 4th capacitor C4, the 5th diode D5 and the first voltage-stabiliser tube DZ1；Its
In,
The anode of the cathode of the first diode D1, the cathode of the third diode D3 and the 5th diode D5
It is respectively connected with the cathode of the first voltage-stabiliser tube DZ1, first of the 4th capacitor C4 described in the cathode of the 5th diode D5
End is connected；The cathode of the 5th diode D5 and the first end of the 4th capacitor C4 and the first output end VCC1 phase
Even；The anode of the first voltage-stabiliser tube DZ1 and the second end of the 4th capacitor C4 are grounded respectively.
It is understood that can be provided surely for the micro energy lose infrared receiving circuit Z3 by the voltage regulator circuit Z22
Fixed voltage in the concrete realization, can pass through described first so that the micro energy lose infrared receiving circuit Z3 be made to work normally
Output end VCC1 exports the voltage of 3.3V to the micro energy lose infrared receiving circuit Z3, to make the micro energy lose infrared receiver electricity
Road Z3 is worked normally, and the voltage of the output end VCC1 output is not limited to above-mentioned 3.3V, can also be the electricity of other sizes
Pressure, the present embodiment are without restriction to this.
As shown in Fig. 2, the micro energy lose infrared receiving circuit Z3 infrared connects by receive external IR remote controller Y first
The infrared starting-up signal that head LED1 is sent is received, the infrared starting-up signal is handled, obtains starting control signal COTR1,
Signal COTR1 is controlled by the starting to control the controllable constant-current circuit Z4；
The low power consumption standby circuit further includes the second infrared receiving terminal LED2 and 3rd resistor R3, and the micro energy lose is infrared
Receiving circuit Z3 includes: amplifying circuit Z31, shaping circuit Z32, integrating circuit Z33 and emitter following circuit Z34；Wherein,
The anode of the second infrared receiving terminal LED2 is connected with the first end of the 3rd resistor R3, and described second is infrared
The second end for receiving the cathode and the 3rd resistor R3 of head LED2 is grounded respectively；The first end of the 3rd resistor R3 with it is described
Amplifying circuit Z31 is connected, and the amplifying circuit Z31 is connected with the shaping circuit Z32, the shaping circuit Z32 and the product
Parallel circuit Z33 is connected, and the integrating circuit Z33 is connected with the emitter following circuit Z34, the amplifying circuit Z31, shaping electricity
Road Z32, the integrating circuit Z33 and the emitter following circuit Z34 are grounded respectively；
It is the first output end VCC1 and the amplifying circuit Z31 of the power supply circuit Z2, the shaping circuit Z32, described
Integrating circuit Z33 and the emitter following circuit Z34 are respectively connected with；
The 3rd resistor R3 protects the second infrared receiving terminal LED2 by shunting, and described second infrared connects
After receiving the infrared starting-up signal that head LED2 receives the first infrared receiving terminal LED1 transmission, the infrared starting-up signal is successively passed through
The amplifying circuit Z31, the shaping circuit Z32, the integrating circuit Z33 and the emitter following circuit Z34 is crossed to amplify, is whole
Shape, integral and buffered obtain the starting and control signal COTR1.
It is understood that the micro energy lose infrared receiving circuit Z3 is red by receive external IR remote controller Y first
The outer infrared starting-up signal for receiving head LED1 and sending, as shown in figure 3, Fig. 3 is infrared remote control in the application low power consumption standby circuit
The infrared waveform diagram of device, the T1 in Fig. 3 are that standby power wakes up the infrared waveform period, are provided that 2Khz square wave in the present embodiment
Infrared signal, Period Length: 300mS, naturally it is also possible to be arranged to the signal of other parameters size, this is not added in the present embodiment
With limitation；T2 in Fig. 3 is that standby power starts period, the Period Length being arranged in the present embodiment: 300mS, naturally it is also possible to
It is arranged to the signal of other parameters size, the present embodiment is without restriction to this；T3 in Fig. 3 is the infrared booting of standby power
Code period, the Period Length being arranged in the present embodiment: 56mS or so, naturally it is also possible to be arranged to the letter of other parameters size
Number, the present embodiment is without restriction to this；T4 in Fig. 3 is two boot code interval periods of standby power, is set in the present embodiment
The Period Length set: 9mS or so, naturally it is also possible to be arranged to the signal of other parameters size, the present embodiment is not subject to this
Limitation.
It should be understood that the micro energy lose infrared receiving circuit Z3 includes amplifying circuit Z31, shaping circuit Z32, integral
Circuit Z33 and emitter following circuit Z34 is sent infrared in the first infrared receiving terminal LED1 by receiving external IR remote controller Y
After starting-up signal, successively the infrared starting-up signal is amplified, shaping, integral and buffered, to obtain starting control
Signal processed, specifically, after receiving the infrared starting-up signal, to the infrared letter of 2Khz square wave in the infrared starting-up signal
Number amplify, shaping, integral and buffered, removal are different from the starting control signal COTR1 of other infrared signals, in turn
Signal COTR1 control controllable constant-current circuit Z4 work is controlled according to the starting.
As shown in Fig. 2, the low power consumption standby circuit further includes the 5th capacitor C5 and the 6th diode D6, wherein
The second output terminal VCC2 output voltage of the controllable constant-current circuit Z4 is to the standby power Z5；
The 5th capacitor C5 is used to provide starting voltage for the standby power Z5, in the third of the standby power Z5
It is the 5th capacitor C5 charging by the 6th diode D6 when output end VCC3 generates voltage；
The first end of the 5th capacitor C5 and the cathode of the 6th diode D6 and the controllable constant-current circuit Z4 point
Not Xiang Lian, the second end of the 5th capacitor C5 ground connection；The anode of the 6th diode D6 is connected with the standby power Z5.
The controllable constant-current circuit Z4 includes: the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7,
Eight resistance R8, the 9th resistance R9, the second voltage-stabiliser tube DZ2, the first triode Q1 and the second triode Q2；Wherein,
The first end of the 4th resistance R4 receives the DC voltage HV+, the first end of the 4th resistance R4 and institute
The first end of the cathode and the 5th resistance R5 of stating the second voltage-stabiliser tube DZ2 is respectively connected with；The second end of the 4th resistance R4
It is connected with the base stage b of the first triode Q1, the base stage of the anode of the second voltage-stabiliser tube DZ2 and the first triode Q1
The first end of b and the 6th resistance R6 are respectively connected with；The second end of the 5th resistance R5 is with the first triode Q1's
Emitter e is connected, and the second end of the 6th resistance R6 is connected with the collector c of the second triode Q2, the 7th electricity
The first end for hindering R7 receives the starting and controls signal COTR1, the second end of the 7th resistance R7 and the 8th resistance R8
First end and the base stage b of the second triode Q2 be respectively connected with, the emitter e and the described 8th of the second triode Q2
The second end of resistance R8 is grounded respectively, and the collector c of the first triode Q1 is connected with the first end of the 9th resistance R9,
The second end of the 9th resistance R9 is connected with the second output terminal VCC2.
The controllable constant-current circuit Z4 is also used to generate constant current when it is high level that the starting, which controls signal COTR1, lead to
Crossing the 9th resistance R9 is that the 5th capacitor C5 carries out constant-current charge.
It is understood that the controllable constant-current circuit Z4 is when starting control signal COTR1 is high level, it can be with
Continuous current is generated, to give the 5th capacitor C5 constant-current charge, Constant Electric Current described in the present embodiment by the 9th resistance R9
Stream can be 1mA electric current, naturally it is also possible to be the electric current of other parameters size, the present embodiment is without restriction to this.
It should be understood that when the charging voltage on the 5th capacitor C5 is higher than the starting voltage of the control circuit Z6
When, the standby power Z5 can work together, while the standby power Z5 parameter voltages, pass through the third output end
VCC3 is the 5th capacitor C5 charging by the 6th diode D6, and the standby power Z5 is enable to continue working down
It goes, to complete the starting of the standby power Z5.
As shown in Fig. 2, the low power consumption standby circuit further includes third infrared receiving terminal LED3；Wherein,
The third infrared receiving terminal LED3 is connected with the control circuit Z6, and the control circuit Z6 believes infrared shutdown
Number it is sent to the standby power Z5；When the standby power Z5 is in running order, the infrared off signal is set to
Low level；
Within a preset time, the red of the first infrared receiving terminal LED1 transmission is received by third infrared receiving terminal LED3
Infrared starting-up signal is set to high level when receiving the infrared starting-up signal by outer starting-up signal.
In the preset time, when not receiving the infrared starting-up signal, the infrared starting-up signal is set to low
Level, while the infrared off signal is set to high level, so that the standby power Z5 is closed, return to Zero-power-consumption standby shape
State.
It is understood that the control circuit Z6 is after the standby power Z5 works together, first infrared shutdown
Signal is set as low level, that is, the standby power Z5 is allowed to work on, and within a preset time, passes through third infrared receiving terminal
LED3 receives the infrared starting-up signal that the first infrared receiving terminal LED1 is sent, when receiving the infrared starting-up signal,
Infrared starting-up signal is set to high level, to control circuit downstream unlocking work, and infrared off signal is set to low level；
In the preset time, when not receiving the infrared starting-up signal, the infrared starting-up signal is set to low level, to close
Circuit downstream is closed, while the infrared off signal is set to high level, the standby power Z5 is closed, so that described to electromechanics
Source Z5 returns to Zero-power-consumption standby state；After the standby power Z5 works together, after certain time, if received red
The infrared starting-up signal is then set to low level by outer off signal, to close circuit downstream, while the infrared shutdown is believed
Number it is set to high level, the standby power Z5 is closed, so that the standby power Z5 returns to Zero-power-consumption standby state.
It should be understood that the low power consumption standby equipment includes low power consumption standby circuit as described above, it is described micro-
Power-consumption standby equipment can be TV, be also possible to air-conditioning, can also be TV box, can also be certainly and realizes that micro energy lose waits for
The other kinds of electric equipment products on electromechanical road, the present embodiment are without restriction to this.
It is understood that can be the outside infrared distant by infrared receiving terminal LED2 and LED3 used in the present embodiment
Control device Y the first infrared receiving terminal LED1 to pipe, used infrared wavelength can be 940nm, naturally it is also possible to be it
His wavelength, the present embodiment is without restriction to this, wherein the second infrared receiving terminal LED2 work is in the standby power Z5
Primary side, for starting the standby power Z5, the third infrared receiving terminal LED3 work in the standby power Z5 secondary side, when
After the standby power Z5 works together, for receiving the ultra-red order of the external IR remote controller Y, and according to outside Different Red
Different movements are completed in instruction, and through this embodiment, standby power Z5 power consumption in stand-by operation is extremely low, and experimental data is typical
Value is less than 3mW power consumption, can satisfy international zero-power less than 5mW requirement, effectively reduces electric energy loss and economic loss.
For the present invention by utilizing low power consumption standby circuit and refrigeration equipment, the low power consumption standby circuit includes rectifying and wave-filtering
Circuit, power supply circuit, micro energy lose infrared receiving circuit, controllable constant-current circuit, standby power and control circuit；Wherein, described whole
The first end of stream filter circuit is connected with AC power source, the second end of the current rectifying and wave filtering circuit and the controllable constant-current circuit
First end and the first end of standby power are respectively connected with；The first end of the power supply circuit is connected with the AC power source, described
The second end of power supply circuit is connected with the first end of the micro energy lose infrared receiving circuit；The micro energy lose infrared receiving circuit
Second end is connected with the second end of the controllable constant-current circuit；The third end of the controllable constant-current circuit and the standby power
Second end is connected；The third end of the standby power is connected with the control circuit, so as to avoid household electrical appliance when standby
Microprocessor continuous drain, the case where causing waste of energy generation, standby power stand-by power consumption in stand-by operation is extremely low, can
It is widely applied in the electric equipment products such as TV, air-conditioning and TV box, reduces electric energy loss and economic loss.
Above content is only the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as guarantor of the invention
Protect range.
Claims (10)
1. a kind of low power consumption standby circuit, which is characterized in that the low power consumption standby circuit includes: current rectifying and wave filtering circuit, power supply
Circuit, micro energy lose infrared receiving circuit, controllable constant-current circuit, standby power and control circuit；Wherein,
The first end of the current rectifying and wave filtering circuit is connected with AC power source, the second end of the current rectifying and wave filtering circuit and described controllable
The first end of constant-current circuit and the first end of standby power are respectively connected with；The first end of the power supply circuit and the AC power source
It is connected, the second end of the power supply circuit is connected with the first end of the micro energy lose infrared receiving circuit；The micro energy lose is infrared
The second end for receiving circuit is connected with the second end of the controllable constant-current circuit；The third end of the controllable constant-current circuit with it is described
The second end of standby power is connected；The third end of the standby power is connected with the control circuit；
The current rectifying and wave filtering circuit for alternating voltage to be become pulsating dc voltage, and carries out the pulsating dc voltage
Filtering generates DC voltage；The power supply circuit, for providing working power for the micro energy lose infrared receiving circuit；It is described
Micro energy lose infrared receiving circuit is started for receiving the infrared signal of IR remote controller transmission according to the infrared signal
Signal is controlled, signal is controlled by the starting and controls the controllable constant-current circuit work；The controllable constant-current circuit, for producing
Raw continuous current maintains the standby power to continue working；The standby power, for maintaining the normal of low power consumption standby circuit
Work；The control circuit is adjusted for the standby mode to the standby power.
2. low power consumption standby circuit as described in claim 1, which is characterized in that the low power consumption standby circuit further includes first
Capacitor, the current rectifying and wave filtering circuit receive the AC signal of the AC power source, and the AC signal is become Rectified alternating current
Pressure obtains DC voltage, the DC voltage is sent to the controllable constant galvanic electricity after the first capacitor smoothing processing
Road and the standby power.
3. low power consumption standby circuit as claimed in claim 2, which is characterized in that the first output end of the power supply circuit is institute
It states micro energy lose infrared receiving circuit and working power is provided, the power supply circuit includes: ac input circuit and voltage regulator circuit, described
Ac input circuit outputs voltage signal to the voltage regulator circuit after receiving the AC power source, makes the voltage signal
It is exported by first output end to the micro energy lose infrared receiving circuit after stabilization；
The ac input circuit includes: first resistor, second resistance, the second capacitor, third capacitor, first diode, second
Diode, third diode and the 4th diode；Wherein,
The first end of the first resistor is connected with the firewire of the AC power source, the second end of the first resistor and described the
The first end of two capacitors is connected；The second end of second capacitor and the anode of the first diode, the first diode
The cathode of cathode and the third diode be respectively connected with the voltage regulator circuit；
The first end of the second resistance is connected with the zero curve of the AC power source, the second end of the second resistance and described the
The first end of three capacitors is connected, anode, the 4th diode of the second end of the third capacitor and the third diode
Cathode and the voltage regulator circuit be connected；The cathode of second diode is connected with the anode of the first diode, described
The anode of the anode of second diode and the 4th diode is grounded respectively.
4. low power consumption standby circuit as claimed in claim 3, which is characterized in that the voltage regulator circuit includes the 4th capacitor, the
Five diodes and the first voltage-stabiliser tube；Wherein,
The anode and described first of the cathode of the first diode, the cathode of the third diode and the 5th diode
The cathode of voltage-stabiliser tube is respectively connected with, and the first end of the 4th capacitor described in the cathode of the 5th diode is connected；Described 5th 2
The first end of the cathode of pole pipe and the 4th capacitor is connected with first output end；The anode of first voltage-stabiliser tube and institute
The second end for stating the 4th capacitor is grounded respectively.
5. low power consumption standby circuit as claimed in claim 4, which is characterized in that the micro energy lose infrared receiving circuit is by connecing
The infrared starting-up signal of infrared starting-up signal that the first infrared receiving terminal of external IR remote controller is sent is received, to the infrared booting
The infrared starting-up signal of signal is handled, and starting control signal is obtained, and controls signal to the controllable constant-current by the starting
Circuit is controlled；
The low power consumption standby circuit further includes the second infrared receiving terminal and 3rd resistor, the micro energy lose infrared receiving circuit packet
It includes: amplifying circuit, shaping circuit, integrating circuit and emitter following circuit；Wherein,
The anode of second infrared receiving terminal is connected with the first end of the 3rd resistor, the yin of second infrared receiving terminal
Pole and the second end of the 3rd resistor are grounded respectively；The first end of the 3rd resistor is connected with the amplifying circuit, described
Amplifying circuit is connected with the shaping circuit, and the shaping circuit is connected with the integrating circuit, the integrating circuit with it is described
Emitter following circuit is connected, and the amplifying circuit, the shaping circuit, the integrating circuit and the emitter following circuit are grounded respectively；
It first output end of the power supply circuit and the amplifying circuit, the shaping circuit, the integrating circuit and described penetrates
It is respectively connected with circuit；
The 3rd resistor protects second infrared receiving terminal by shunting, and second infrared receiving terminal receives
After the infrared starting-up signal of infrared starting-up signal that first infrared receiving terminal is sent, by the infrared infrared starting-up signal of starting-up signal
It is successively amplified by the amplifying circuit, the shaping circuit, the integrating circuit and the emitter following circuit, shaping, product
Divide and buffered, the acquisition starting control signal.
6. low power consumption standby circuit as claimed in claim 5, which is characterized in that the low power consumption standby circuit further includes the 5th
Capacitor and the 6th diode, wherein
The second output terminal output voltage of the controllable constant-current circuit is to the standby power；
5th capacitor is used to provide starting voltage for the standby power, generates in the third output end of the standby power
It is the 5th capacitor charging by the 6th diode when voltage；
The first end of 5th capacitor is respectively connected with the cathode of the 6th diode and the controllable constant-current circuit, described
The second end of 5th capacitor is grounded；The anode of 6th diode is connected with the standby power.
7. low power consumption standby circuit as claimed in claim 6, which is characterized in that the controllable constant-current circuit includes: the 4th electricity
Resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the second voltage-stabiliser tube, the first triode and the two or three
Pole pipe；Wherein,
The first end of 4th resistance receives the DC voltage, the first end of the 4th resistance and second voltage-stabiliser tube
Cathode and the first end of the 5th resistance be respectively connected with；The second end of 4th resistance and the base of first triode
Extremely it is connected, the anode of second voltage-stabiliser tube distinguishes phase with the base stage of first triode and the first end of the 6th resistance
Even；The second end of 5th resistance is connected with the emitter of first triode, the second end of the 6th resistance and institute
The collector for stating the second triode is connected, and the first end of the 7th resistance receives the starting and controls signal, the 7th electricity
The second end of resistance is respectively connected with the first end of the 8th resistance and the base stage of second triode, second triode
The second end of emitter and the 8th resistance be grounded respectively, the collector of first triode and the 9th resistance
First end is connected, and the second end of the 9th resistance is connected with the second output terminal.
8. low power consumption standby circuit as claimed in claim 7, which is characterized in that the controllable constant-current circuit is also used to described
When starting control signal is high level, continuous current is generated, constant current is carried out for the 5th capacitor by the 9th resistance and is filled
Electricity.
9. the low power consumption standby circuit for being such as claim 8, which is characterized in that the low power consumption standby circuit further includes that third is red
Outer reception head；Wherein,
The third infrared receiving terminal is connected with the control circuit, and infrared off signal is sent to described by the control circuit
Standby power；When the standby power is in running order, the infrared off signal is set to low level；
Within a preset time, the infrared starting-up signal for receiving the first infrared receiving terminal transmission by third infrared receiving terminal is red
Infrared starting-up signal is set to high level when receiving the infrared starting-up signal of the infrared starting-up signal by outer starting-up signal；
In the preset time, when not receiving the infrared starting-up signal of the infrared starting-up signal, the infrared booting is believed
Number it is set to low level, while the infrared off signal is set to high level, so that the standby power is closed, returns to zero-power
Standby mode.
10. a kind of low power consumption standby equipment, which is characterized in that the low power consumption standby equipment includes any in claim 1-9
Low power consumption standby circuit described in.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112468749A (en) * | 2019-09-09 | 2021-03-09 | 深圳Tcl数字技术有限公司 | Standby circuit, standby power supply and equipment |
| WO2023077697A1 (en) * | 2021-11-04 | 2023-05-11 | 南京美斯玛微电子技术有限公司 | Micro-power-consumption bridge-type rectifier auxiliary power supply, power supply circuit, and electric device |
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| CN109194160B (en) | 2020-12-08 |
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