CN201608692U - Energy-saving power amplifying device - Google Patents
Energy-saving power amplifying device Download PDFInfo
- Publication number
- CN201608692U CN201608692U CN2010201206263U CN201020120626U CN201608692U CN 201608692 U CN201608692 U CN 201608692U CN 2010201206263 U CN2010201206263 U CN 2010201206263U CN 201020120626 U CN201020120626 U CN 201020120626U CN 201608692 U CN201608692 U CN 201608692U
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- power supply
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Abstract
The utility model provides an energy-saving power amplifying device. An MCU is used for receiving control signals transmitted by a sound volume input device, transmits the reading result to a sound volume controlling circuit for the processing after reading input signals, and then drives a loudspeaker through a power amplifier to play required input sound volume; and furthermore, the MCU can calculate output value of a PWM signal according to the sound volume, the PWM signal is rectified and integrated by a DC integrated circuit and then forms a DC voltage, the DC voltage is connected to a voltage control port of a power supply so as to regulate the DC voltage which is output to the power amplifier by the power supply, and the output voltage of the power supply is controlled according to the output sound volume so as to realize the purpose of energy conservation.
Description
Technical field
The utility model is about a kind of energy-saving power amplifying device, be meant a kind of direct voltage of adjusting the output of control power supply device according to volume especially, reduce the use power consumption via reducing direct voltage, and then promote energy utilization rate, reach the energy-saving power amplifying device of the saving energy more than 30%.
Background technology
The circuit energy consumption mainly is power amplifier and power supply unit, it must keep a fixing power consumption at no signal condition when power amplifier, described no signal power consumption decision at direct voltage (VCC) just, low more its consumed power of direct voltage is more little, promptly can reduce its reactance capacity so reduce supply power voltage; For example: when power supply direct voltage during at 34V, the wait state power consumption of power amplifier is 3W, and when supply voltage was reduced to 30V, its wait state power consumption was reduced to 2W, and when voltage was reduced to 20V, its wait state power consumption was then reduced to below the 1W.
Therefore, sound volume setting does not promptly need output HIGH voltage when the small-power output state, only needs supply to be fit to voltage and gets final product, and so, can improve efficiency power amplifier, reaches and saves energy purpose.
And existing power amplifier device still has following disappearance in design:
1. the user listens to the music within the family or sees volume is adjusted major part when audio-visual and can not surpass 50%, but the power supply supply is then 100% output, causes consumes energy to promote relatively, does not meet environmental requirement in fact.
2. multichannel surrounding system and big power output device are popularized in a large number at present, cause power amplifier to get usage quantity and increase relatively, cause energy consumption bigger.
All under the idea of demand environmental protection, above-mentioned traditional design can not satisfy the environmental protection demand, demands urgently being improved in the whole world.
Every shortcoming that this case utility model people derives in view of above-mentioned existing product is urgently to think to be improved innovation, and after concentrating on studies through taking great pains to attain one's goal for many years, successfully this part energy-saving power amplifying device is finished in research and development finally.
Summary of the invention
Main purpose of the present utility model promptly is to provide a kind of energy-saving power amplifying device, under the effect that does not influence sound equipment, employing is controlled the out-put supply of adjusting power supply unit by volume, reaching bring to power amplifier and power supply unit efficient, and then reaches the purpose of carbon reduction.
The utility model provides a kind of energy-saving power amplifying device, comprises a volume loader, a microprocessor, a volume control circuit, a direct current integrating circuit, a power supply unit and a power amplifier, wherein:
Described volume loader is connected with described microprocessor, and described volume loader can be assigned the control command signal of volume adjustment to described microprocessor;
Described microprocessor is connected with described d.c. integration circuit with described volume control circuit; Described microprocessor receives the control command signal of described volume loader output, and the signal that is received carried out interpretation and calculate the output valve of pwm signal according to volume, sentence read result is sent to described volume control circuit, is sent to described d.c. integration circuit and calculate the pwm signal of finishing;
Described volume control circuit, be connected with described power amplifier, described volume control circuit receives the signal volume that sound source signal and described microprocessor transmit, and obtaining the sound volume setting value, and this sound volume setting value is sent to described power amplifier together with sound source signal;
Described d.c. integration circuit is connected with described power supply unit, and described d.c. integration circuit receives the pwm signal of described microprocessor, and after this pwm signal signal integration become direct voltage, is sent to described power supply unit;
Described power supply unit is connected with described power amplifier, and described power supply unit receives the pwm signal that described d.c. integration circuit transmits, and downgrades or increase output voltage to described power amplifier according to the signal that is received;
Described power amplifier, be connected with described loud speaker with described volume control circuit, described power amplifier receives from the power supply signal of described power supply supply electrical equipment and the sound source signal of described volume control circuit, and after the signal that is received amplified, drives described loud speaker output sound.
During enforcement, the direct voltage size behind the described d.c. integration circuit integration is decided by the pulse duration of the pwm signal of described microprocessor output.
During enforcement, the pulse duration of described pwm signal is decided by the volume adjustment.
During enforcement, described volume loader is a keypad.
During enforcement, described volume loader is a remote controller.
During enforcement, described power supply unit comprises a power supply circuit and a pwm control circuit, and described power supply circuit is connected with described pwm control circuit; Described pwm control circuit is controlled the output voltage of described power supply circuit; Receive the pwm signal of described d.c. integration circuit by described pwm control circuit, and downgrade or increase the output voltage of described power supply circuit according to the signal that is received.
The energy-saving power amplifying device of above-mentioned novel purpose be can reach, a power supply unit, power amplifier, microprocessor, d.c. integration circuit, volume loader and volume control circuit mainly comprised; When microprocessor (MCU) receives the volume operational order that is transmitted from the exterior volume loader, promptly can send the volume control command handles to volume control circuit, described volume control circuit can be sent to power amplifier in the lump together with sound source signal with the signal after handling and amplify, yet, drive the volume that loud speaker output is set; Simultaneously, microprocessor can and be sent a pwm signal to the d.c. integration circuit according to the size calculating of importing volume, after the d.c. integration circuit becomes direct current signal with conversion of signals, is sent to power supply unit; Described power supply unit is made up of pwm control circuit and power supply circuit, and described power supply circuit mainly supplies power amplifier required DC power supply, makes power amplifier sound source signal can be amplified the action of rear drive loud speaker; When pwm control circuit was received the pwm signal of d.c. integration circuit, described pwm control circuit promptly can make the direct voltage size of described output be directly proportional with volume according to the pwm signal control power supply circuit output dc voltage value of receiving.
Description of drawings
Fig. 1 is the calcspar of the utility model energy-saving power amplifying device; And
Fig. 2 is the circuit diagram of the utility model energy-saving power amplifying device.
Description of reference numerals: 1-volume loader; The 2-microprocessor; The 3-volume control circuit; 4-d.c. integration circuit; The 5-power amplifier; The 6-power supply unit; The 61-power supply circuit; The 62-PWM control circuit; The 7-loud speaker.
Embodiment
See also Figure 1 and Figure 2, energy-saving power amplifying device provided by the utility model mainly comprises:
One volume loader 1, described volume loader 1 is connected with microprocessor 2, and its control command signal that can assign the volume adjustment is to microprocessor 2; Described volume loader 1 can be keypad or remote controller;
One microprocessor 2, the control command signal of described microprocessor 2 volume of reception loaders 1 output, and the signal that is received carried out interpretation and set the output valve that volume calculates pwm signal 21 according to volume loader 1, and sentence read result is sent to volume control circuit 3, calculate the pwm signal of finishing 21 and then be sent to d.c. integration circuit 4;
One volume control circuit 3, described volume control circuit 3 receives the signal volume of sound source signal and microprocessor 2 transmission, described volume control circuit 3 can be obtained the sound volume setting value behind the signal of receiving microprocessor 2, and the sound volume setting value is sent to power amplifier 5 together with sound source signal;
One direct current integrating circuit 4, described d.c. integration circuit 4 receives the pwm signal 21 of microprocessor 2, and after signal integration become direct voltage, be sent to the pwm control circuit of power supply unit, direct voltage size behind the described integration is to be decided by the pulse duration of the pwm signal 21 of microprocessor 2 outputs, and pulse duration is then decided by the volume adjustment;
One power supply unit 6, described power supply unit 6 comprise a power supply circuit 61 and a pwm control circuit 62, the output voltage of described pwm control circuit 62 control power supply circuits 61; Receive the pwm signal 21 of d.c. integration circuit 4 by pwm control circuit 61, and downgrade or increase the output voltage of power supply circuit 61 according to the signal that is received;
One power amplifier 5, described power amplifier 5 receives from the power supply signal of power supply circuit 62 and the sound source signal of volume control circuit 3, and after the signal that is received amplified, can drive loud speaker 7 output sounds, and the sound size of being exported is by 1 control of volume loader.
In addition, the power output of described power amplifier 5 is by the supply voltage decision of the power supply circuit 61 of power supply unit 6.
Energy-saving power amplifying device provided by the utility model when comparing mutually with existing product, has more following advantage:
The utility model can be adjusted the power output of power supply unit according to the volume demand, make power supply unit and power amplifier under the effect that does not influence sound equipment, improves power supplying efficiency, to reach energy-conservation purpose.
Above-listed detailed description specifies at a possible embodiments of the present utility model, but described embodiment is not in order to limit claim of the present utility model, allly do not break away from the equivalence that the utility model skill spirit does and implement or change, all should be contained in the claim of this case.
Claims (6)
1. an energy-saving power amplifying device is characterized in that, comprises a volume loader, a microprocessor, a volume control circuit, a direct current integrating circuit, a power supply unit and a power amplifier, wherein:
Described volume loader is connected with described microprocessor, and described volume loader can be assigned the control command signal of volume adjustment to described microprocessor;
Described microprocessor is connected with described d.c. integration circuit with described volume control circuit; Described microprocessor receives the control command signal of described volume loader output, and the signal that is received carried out interpretation and calculate the output valve of pwm signal according to volume, sentence read result is sent to described volume control circuit, is sent to described d.c. integration circuit and calculate the pwm signal of finishing;
Described volume control circuit, be connected with described power amplifier, described volume control circuit receives the signal volume that sound source signal and described microprocessor transmit, and obtaining the sound volume setting value, and this sound volume setting value is sent to described power amplifier together with sound source signal;
Described d.c. integration circuit is connected with described power supply unit, and described d.c. integration circuit receives the pwm signal of described microprocessor, and after this pwm signal signal integration become direct voltage, is sent to described power supply unit;
Described power supply unit is connected with described power amplifier, and described power supply unit receives the pwm signal that described d.c. integration circuit transmits, and downgrades or increase output voltage to described power amplifier according to the signal that is received;
Described power amplifier, be connected with described loud speaker with described volume control circuit, described power amplifier receives from the power supply signal of described power supply supply electrical equipment and the sound source signal of described volume control circuit, and after the signal that is received amplified, drives described loud speaker output sound.
2. energy-saving power amplifying device as claimed in claim 1 is characterized in that, the direct voltage size behind the described d.c. integration circuit integration is decided by the pulse duration of the pwm signal of described microprocessor output.
3. energy-saving power amplifying device as claimed in claim 2 is characterized in that the pulse duration of described pwm signal is decided by the volume adjustment.
4. energy-saving power amplifying device as claimed in claim 1 is characterized in that, described volume loader is a keypad.
5. energy-saving power amplifying device as claimed in claim 1 is characterized in that, described volume loader is a remote controller.
6. energy-saving power amplifying device as claimed in claim 1 is characterized in that, described power supply unit comprises a power supply circuit and a pwm control circuit, and described power supply circuit is connected with described pwm control circuit; Described pwm control circuit is controlled the output voltage of described power supply circuit; Receive the pwm signal of described d.c. integration circuit by described pwm control circuit, and downgrade or increase the output voltage of described power supply circuit according to the signal that is received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201206263U CN201608692U (en) | 2010-02-08 | 2010-02-08 | Energy-saving power amplifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201206263U CN201608692U (en) | 2010-02-08 | 2010-02-08 | Energy-saving power amplifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608692U true CN201608692U (en) | 2010-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201206263U Expired - Lifetime CN201608692U (en) | 2010-02-08 | 2010-02-08 | Energy-saving power amplifying device |
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| Country | Link |
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| CN (1) | CN201608692U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101990038A (en) * | 2010-12-02 | 2011-03-23 | 惠州Tcl移动通信有限公司 | Method for improving efficiency of audio power amplifier and mobile phone using the same |
| CN103716732A (en) * | 2012-10-09 | 2014-04-09 | 深圳富泰宏精密工业有限公司 | Loudspeaker system and detection method for the same |
| CN105827210A (en) * | 2015-08-31 | 2016-08-03 | 维沃移动通信有限公司 | Voltage adjustment method and terminal |
| CN106101933A (en) * | 2016-07-11 | 2016-11-09 | Tcl通力电子（惠州）有限公司 | Volume adjusting method and device of power amplifier system |
-
2010
- 2010-02-08 CN CN2010201206263U patent/CN201608692U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101990038A (en) * | 2010-12-02 | 2011-03-23 | 惠州Tcl移动通信有限公司 | Method for improving efficiency of audio power amplifier and mobile phone using the same |
| CN103716732A (en) * | 2012-10-09 | 2014-04-09 | 深圳富泰宏精密工业有限公司 | Loudspeaker system and detection method for the same |
| CN105827210A (en) * | 2015-08-31 | 2016-08-03 | 维沃移动通信有限公司 | Voltage adjustment method and terminal |
| CN106101933A (en) * | 2016-07-11 | 2016-11-09 | Tcl通力电子（惠州）有限公司 | Volume adjusting method and device of power amplifier system |
| CN106101933B (en) * | 2016-07-11 | 2020-07-31 | Tcl通力电子（惠州）有限公司 | Volume adjusting method and device of power amplifier system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170515 Address after: New town, Huiyang District, Guangdong, Huizhou Patentee after: East hung Electronics (Huiyang) Co., Ltd. Address before: The British Virgin Islands of Tortola Patentee before: Sound Cheers Limited |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101013 |