CN217563537U - Energy-saving power supply adapter - Google Patents
Energy-saving power supply adapter Download PDFInfo
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- CN217563537U CN217563537U CN202221703377.XU CN202221703377U CN217563537U CN 217563537 U CN217563537 U CN 217563537U CN 202221703377 U CN202221703377 U CN 202221703377U CN 217563537 U CN217563537 U CN 217563537U
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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
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Abstract
The utility model discloses a power adapter for energy-saving power supply, which relates to the technical field of power supply, and comprises a power module for supplying power; the input processing module is used for voltage reduction, harmonic suppression, rectification and filtering; the voltage transformation protection module is used for instantaneous voltage protection and voltage regulation; the energy-saving control module is used for outputting starting electric energy and working electric energy; the output module is used for outputting stabilized voltage; the standby control module is used for sampling electric quantity, comparing an electric quantity threshold value and performing standby control on input electric energy; the linear optocoupler feedback module is used for voltage sampling and isolated transmission; and the adjusting driving module is used for controlling the voltage change degree of the voltage transformation protection module. The utility model discloses the power adapter of energy-conserving power supply suppresses the harmonic current of input electric energy, improves the quality of input electric energy to start triggering and supplementary power supply control adjusting drive module by energy-conserving control module, the energy saving carries out standby power-off after being full of the electricity simultaneously and handles, avoids components and parts to last the power consumption.
Description
Technical Field
The utility model relates to a power technical field specifically is a power adapter of energy-conserving power supply.
Background
Power adapter (Power adapter), a small-size portable electronic equipment and electronic apparatus's Power supply transform equipment, it converts the alternating current of input into direct current and output, extensively join in marriage in security protection camera, the STB, the router, the lamp strip, in equipment such as massage appearance, and current Power adapter mostly adopts switching Power supply circuit's form to handle the electric energy, direct current Power supply circuit produces harmonic current easily at the during operation, lead to the Power unstability, increase the loss to the electric energy, and Power adapter has more components and parts, the electric energy that leads to Power adapter to consume is more, after electronic apparatus is full of, power adapter still keeps the state of charging, lead to the further loss of energy, consequently, await the improvement.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a power adapter of energy-conserving power supply to solve the problem that proposes in the above-mentioned background art.
According to the embodiment of the utility model provides an in, provide a power adapter of energy-conserving power supply, this power adapter of energy-conserving power supply includes: the system comprises a power supply module, an input processing module, a voltage transformation protection module, an energy-saving control module, an output module, a standby machine control module, a linear optocoupler feedback module and an adjustment driving module;
the power supply module is used for providing alternating current electric energy;
the input processing module is connected with the power supply module and is used for carrying out voltage reduction, harmonic suppression, rectification and filtering processing on input alternating current electric energy;
the voltage transformation protection module is connected with the input processing module, is used for receiving the electric energy output by the input processing module and is used for carrying out instantaneous voltage protection and DC-DC change processing;
the energy-saving control module is connected with the input processing module, the voltage transformation protection module and the adjusting driving module, is used for receiving the electric energy output by the input processing module and starting the adjusting driving module to work, and is used for providing required working electric energy for the adjusting driving module;
the output module is connected with the voltage transformation protection module and is used for rectifying, filtering and stabilizing the electric energy output by the voltage transformation protection module and outputting the electric energy;
the standby control module is connected with the output module and the input processing module, and is used for sampling electric quantity of the output module, comparing a sampled electric quantity signal with a set electric quantity threshold value and performing standby control on electric energy output by the input processing module;
the linear optocoupler feedback module is connected with the output module and the regulation driving module, and is used for sampling voltage of the output module, isolating and transmitting a voltage sampling signal and isolating and transmitting the voltage sampling signal to the regulation driving module;
and the adjusting driving module is connected with the voltage transformation protection module, and is used for receiving the voltage sampling signal, detecting the current condition of the voltage transformation protection module, adjusting the duty ratio of the output pulse signal and adjusting the degree of DC-DC change of the voltage transformation protection module.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the power adapter of energy-conserving power supply passes through the harmonic current that input processing module restraines the input electric energy, improve the quality processing to the input electric energy, provide high-quality power environment for follow-up circuit, avoid causing the unnecessary loss, and start triggering and supplementary power supply control adjusting the drive module by energy-conserving control module, only need less electric energy alright drive adjusting module's work, the energy saving, simultaneously through waiting machine control module and carrying out standby power failure after being full of the electricity and handling, avoid the components and parts among the power adapter to continuously consume the electric energy, accomplish better energy-saving control.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic block diagram of a power adapter for energy saving power supply according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a power adapter for energy-saving power supply according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of the standby control module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiment 1, referring to fig. 1, an energy-saving power adapter includes: the system comprises a power module 1, an input processing module 2, a voltage transformation protection module 3, an energy-saving control module 4, an output module 5, a standby control module 6, a linear optocoupler feedback module 7 and an adjustment driving module 8;
specifically, the power module 1 is used for providing alternating current power;
the input processing module 2 is connected with the power supply module 1 and is used for carrying out voltage reduction, harmonic suppression, rectification and filtering processing on input alternating current electric energy;
the voltage transformation protection module 3 is connected with the input processing module 2, is used for receiving the electric energy output by the input processing module 2, and is used for carrying out instantaneous voltage protection and DC-DC change processing;
the energy-saving control module 4 is connected with the input processing module 2, the voltage transformation protection module 3 and the adjusting driving module 8, and is used for receiving the electric energy output by the input processing module 2, starting the adjusting driving module 8 to work and providing required working electric energy for the adjusting driving module 8;
the output module 5 is connected with the voltage transformation protection module 3 and used for rectifying, filtering and stabilizing the electric energy output by the voltage transformation protection module 3 and outputting the electric energy;
the standby control module 6 is connected with the output module 5 and the input processing module 2, and is used for sampling the electric quantity of the output module 5, comparing the sampled electric quantity signal with a set electric quantity threshold value, and performing standby control on the electric energy output by the input processing module 2;
the linear optocoupler feedback module 7 is connected with the output module 5 and the regulation driving module 8, and is used for sampling voltage of the output module 5, isolating and transmitting the voltage sampling signal and isolating and transmitting the voltage sampling signal to the regulation driving module 8;
and the adjusting driving module 8 is connected with the voltage transformation protection module 3, and is used for receiving the voltage sampling signal, detecting the current condition of the voltage transformation protection module 3, adjusting the duty ratio of the output pulse signal and adjusting the degree of DC-DC change of the voltage transformation protection module 3.
In a specific embodiment, the power module 1 may adopt, but is not limited to, an ac power source such as a mains voltage; the output module 5 is an output circuit in a conventional switching power supply, and is not described herein again; the linear optocoupler feedback module 7 may adopt an isolation voltage feedback circuit composed of a photocoupler PC817 and a three-terminal regulator TL431, which is not described herein.
In the present embodiment, please refer to fig. 2 and fig. 3, the power module 1 includes an ac power supply; the input processing module 2 comprises a first transformer W1, a first capacitor C1, a first inductor L1, a first resistor R1, a rectifier T and a second capacitor C2;
specifically, the alternating current power supply is connected with a primary winding of the first transformer W1, a first end of a secondary winding of the first transformer W1 is connected with one end of the first capacitor C1, one end of the first inductor L1, one end of the first resistor R1 and a first end of the rectifier T, a second end of the secondary winding of the first transformer W1 is connected with the other end of the first capacitor C1, the other end of the first inductor L1, the other end of the first resistor R1 and a second end of the rectifier T, a third end of the rectifier T is connected with one end of the second capacitor C2 and the standby control module 6, and a fourth end of the rectifier T and the other end of the second capacitor C2 are both grounded.
In a specific embodiment, the first capacitor C1, the first inductor L1, and the first resistor R1 form a parallel LC circuit to suppress harmonic current; the second capacitor C2 serves as a filter capacitor.
Further, the standby control module 6 includes a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a first comparator A1, an electric quantity threshold, a sixteenth resistor R16, a fifteenth resistor R15, a third switching tube VT3, a seventeenth resistor R17, an eighteenth resistor R18, and a second power tube Q2;
specifically, one end of the twelfth resistor R12 and one end of the fifteenth resistor R15 are connected to the output module 5, the other end of the twelfth resistor R12 is connected to one end of the fourteenth resistor R14 and is connected to the ground through the thirteenth resistor R13, the other end of the fourteenth resistor R14 is connected to the non-inverting end of the first comparator A1, the inverting end of the first comparator A1 is connected to the power threshold, the output end of the first comparator A1 is connected to the other end of the fifteenth resistor R15 and is connected to the base of the third switching tube VT3 through the sixteenth resistor R16, the collector of the third switching tube VT3 is grounded, the emitter of the third switching tube VT3 is connected to the gate of the second power tube Q2 and one end of the seventeenth resistor R17 through the eighteenth resistor R18, the other end of the seventeenth resistor R17 is connected to the source of the second power tube Q2 and the third end of the rectifier T, and the drain of the transformer of the second power tube Q2 is connected to the protection module 3.
In a specific embodiment, the twelfth resistor R12 and the thirteenth terminal form a resistor divider circuit for detecting electric quantity; the first comparator A1 can be an LM393 comparator; the third switching tube VT3 can be a PNP triode for controlling the second power tube Q2 to work; the second power transistor Q2 may be a P-channel enhancement MOS transistor for standby control.
Further, the voltage transformation protection module 3 includes a sixth resistor R6, a third capacitor C3, a third diode D3, and a second transformer W2;
specifically, one end of the sixth resistor R6, one end of the third capacitor C3, and a first end of a primary winding of the second transformer W2 are all connected to the drain of the second power tube Q2, the other end of the sixth resistor R6 and the other end of the third diode D3 are connected to a second end of the primary winding of the second transformer W2 through the third diode D3, a secondary winding of the second transformer W2 is connected to the output module 5, a first end of an auxiliary winding of the second transformer W2 is connected to the energy-saving control module 4, and a second end of the auxiliary winding of the second transformer W2 is grounded.
In a specific embodiment, the sixth resistor R6, the third capacitor C3 and the third diode D3 form an RCD absorption circuit for absorbing an instantaneous voltage; the second transformer W2 may be a high frequency transformer for DC-DC conversion.
Further, the energy-saving control module 4 includes a second resistor R2, a third resistor R3, a first switch tube VT1, a first voltage regulator tube VD1, a second switch tube VT2, a fourth resistor R4, a second voltage regulator tube VD2, a fifth resistor R5, a first diode D1, and a second diode D2;
specifically, one end of the second resistor R2 and one end of the third resistor R3 are connected to a drain of the second power tube Q2, the other end of the second resistor R2 is connected to a collector of the first switch tube VT1, a gate of the first power tube Q1 is connected to the other end of the third resistor R3 and is connected to the ground through the first voltage regulator tube VD1, an emitter of the first switch tube VT1 is connected to an anode of the second diode and an emitter of the second switch tube VT2, a collector of the second switch tube VT2 is connected to one end of the fourth resistor R4 and is connected to a cathode of the first diode D1 through the fifth resistor R5, an anode of the first diode D1 is connected to the first end of the auxiliary winding of the second transformer W2, a base of the second switch tube VT2 is connected to the other end of the fourth resistor R4 and the cathode of the second voltage regulator tube VD2, and an anode of the second voltage regulator tube VD2 is grounded.
In a specific embodiment, the second resistor R2, the third resistor R3, the first switching tube VT1, and the first voltage regulator VD1 form a start voltage for providing a start power for the regulation driving module 8; the second switching tube VT2, the fourth resistor R4, the second voltage regulator VD2, the fifth resistor R5, and the first diode form a boost circuit, which is used to provide working electric energy for the regulation driving module 8; the first switch tube VT1 and the second switch tube VT2 may both be NPN transistors.
Further, the adjusting driving module 8 includes a driver U1, a fourth capacitor C4, a seventh resistor R7, a fifth capacitor C5, a sixth capacitor C6, a ninth resistor R9, a tenth resistor R10, an eighth resistor R8, and a first power transistor Q1;
specifically, the seventh end of the driver U1 is connected to the cathode of the second diode D2, the sixth end of the driver U1 is connected to the gate of the first power tube Q1 through an eighth resistor R8, the drain of the first power tube Q1 is connected to the second end of the primary winding of the second transformer W2, the eighth end of the driver U1 is connected to one end of a fourth capacitor C4 and is connected to the fourth end of the driver U1 and one end of a fifth capacitor C5 through a seventh resistor R7, the third end of the driver U1 is connected to one end of a sixth capacitor C6 and is connected to one end of a tenth resistor R10 and the source of the first power tube Q1 through a ninth resistor R9, and the other end of the fourth capacitor C4, the other end of the fifth capacitor C5, the other end of the sixth capacitor C6, the other end of the tenth resistor R10, and the fifth end and the second end of the driver U1 are all grounded.
In a specific embodiment, the driver U1 may be a UC3845 chip, a high performance fixed frequency current mode controller; the first power tube Q1 can be an N-channel enhanced MOS tube and is used for controlling the input voltage of the second transformer W2; the tenth resistor R10 is a current sampling resistor.
The utility model relates to a power adapter of energy-conserving power supply, provide required input electric energy by AC power, and carry out preliminary step-down by first transformer W1 and handle, first electric capacity C1, first inductance L1 and first resistance R1 constitute harmonic current suppression circuit, the harmonic current of suppression input electric energy, carry out rectification and filtering by rectifier T and second electric capacity C2 again, when electronic equipment is not full of, because first comparator A1 exports the low level, third switch tube VT3 switches on, make second power tube Q2 switch on, the electric energy after the processing can be transmitted to follow-up module, adjust the conduction angle of first power tube Q1 through driver U1, change the voltage condition that flows through second transformer W2 primary winding, so that control output voltage value, and the linear optocoupler feedback module 7 samples the voltage of the output electric energy and feeds the sampled voltage back to the driver U1, the driver U1 can adjust the conduction angle of the first power tube Q1 to realize voltage-stabilized output, wherein when the driver U1 is working, because the power adapter is just started, the first switching tube VT1 is turned on and outputs a low voltage to trigger the driver U1 to start, so that the first power tube Q1 has a voltage to pass, the auxiliary winding of the second transformer W2 has a voltage to pass, the second switching tube VT2 is turned on to perform boost control, and outputs a working voltage required by the driver U1, thereby ensuring the normal work of the driver U1, saving the input electric energy, when the standby control module 6 detects that the electric quantity is full, the first comparator A1 outputs a high level, the second power tube Q2 is turned off, and stops supplying power, thereby avoiding the continuous loss of the electric energy.
This power adapter of energy-conserving power supply passes through the harmonic current that input processing module 2 restraines the input electric energy, improve the quality processing to the input electric energy, provide high-quality power environment for follow-up circuit, avoid causing the unnecessary loss, and start triggering and supplementary power supply control to adjustment drive module 8 by energy-conserving control module 4, only need less electric energy alright drive adjustment module's work, the energy saving, simultaneously carry out standby power off after being full of the electricity through standby control module 6 and handle, avoid the components and parts among the power adapter to continuously consume the electric energy, accomplish better energy-saving control.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An energy-saving power supply adapter is characterized in that,
this power adapter of energy-conserving power supply includes: the system comprises a power supply module, an input processing module, a voltage transformation protection module, an energy-saving control module, an output module, a standby machine control module, a linear optocoupler feedback module and an adjustment driving module;
the power supply module is used for providing alternating current electric energy;
the input processing module is connected with the power supply module and is used for carrying out voltage reduction, harmonic suppression, rectification and filtering processing on input alternating current electric energy;
the voltage transformation protection module is connected with the input processing module, is used for receiving the electric energy output by the input processing module and is used for carrying out instantaneous voltage protection and DC-DC change processing;
the energy-saving control module is connected with the input processing module, the voltage transformation protection module and the adjusting driving module, and is used for receiving the electric energy output by the input processing module, starting the adjusting driving module to work and providing required working electric energy for the adjusting driving module;
the output module is connected with the voltage transformation protection module and is used for rectifying, filtering and stabilizing the electric energy output by the voltage transformation protection module and outputting the electric energy;
the standby control module is connected with the output module and the input processing module, and is used for sampling electric quantity of the output module, comparing a sampled electric quantity signal with a set electric quantity threshold value and performing standby control on electric energy output by the input processing module;
the linear optocoupler feedback module is connected with the output module and the regulation driving module, and is used for sampling voltage of the output module, isolating and transmitting a voltage sampling signal and isolating and transmitting the voltage sampling signal to the regulation driving module;
and the adjusting driving module is connected with the voltage transformation protection module, and is used for receiving the voltage sampling signal, detecting the current condition of the voltage transformation protection module, adjusting the duty ratio of the output pulse signal and adjusting the degree of DC-DC change of the voltage transformation protection module.
2. The energy efficient power adapter as claimed in claim 1, wherein said power module comprises an ac power source; the input processing module comprises a first transformer, a first capacitor, a first inductor, a first resistor, a rectifier and a second capacitor;
the alternating current power supply is connected with a primary winding of the first transformer, a first end of a secondary winding of the first transformer is connected with one end of the first capacitor, one end of the first inductor, one end of the first resistor and a first end of the rectifier, a second end of the secondary winding of the first transformer is connected with the other end of the first capacitor, the other end of the first inductor, the other end of the first resistor and a second end of the rectifier, a third end of the rectifier is connected with one end of the second capacitor and the standby control module, and a fourth end of the rectifier and the other end of the second capacitor are both grounded.
3. The power adapter for energy saving and power supply of claim 2, wherein the standby control module comprises a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a first comparator, a power threshold, a sixteenth resistor, a fifteenth resistor, a third switch tube, a seventeenth resistor, an eighteenth resistor and a second power tube;
one end of the twelfth resistor and one end of the fifteenth resistor are connected with the output module, the other end of the twelfth resistor is connected with one end of the fourteenth resistor and is connected with the ground end through the thirteenth resistor, the other end of the fourteenth resistor is connected with the in-phase end of the first comparator, the inverting end of the first comparator is connected with the electric quantity threshold value, the output end of the first comparator is connected with the other end of the fifteenth resistor and is connected with the base electrode of the third switching tube through the sixteenth resistor, the collector electrode of the third switching tube is grounded, the emitter electrode of the third switching tube is connected with the grid electrode of the second power tube and one end of the seventeenth resistor through the eighteenth resistor, the other end of the seventeenth resistor is connected with the source electrode of the second power tube and the third end of the rectifier, and the drain electrode of the second power tube is connected with the transformation protection module.
4. The power adapter of claim 3, wherein the transformer protection module comprises a sixth resistor, a third capacitor, a third diode, and a second transformer;
one end of the sixth resistor, one end of the third capacitor and the first end of the primary winding of the second transformer are connected with the drain electrode of the second power tube, the other end of the sixth resistor and the other end of the third diode are connected with the second end of the primary winding of the second transformer through the third diode, the secondary winding of the second transformer is connected with the output module, the first end of the auxiliary winding of the second transformer is connected with the energy-saving control module, and the second end of the auxiliary winding of the second transformer is grounded.
5. The power adapter of claim 4, wherein the power-saving control module comprises a second resistor, a third resistor, a first switch tube, a first voltage regulator tube, a second switch tube, a fourth resistor, a second voltage regulator tube, a fifth resistor, a first diode, and a second diode;
one end of the second resistor and one end of the third resistor are connected with a drain electrode of the second power tube, the other end of the second resistor is connected with a collector electrode of the first switch tube, a grid electrode of the first power tube is connected with the other end of the third resistor and is connected with a ground end through the first voltage-stabilizing tube, an emitter electrode of the first switch tube is connected with an anode of the second diode and an emitter electrode of the second switch tube, a collector electrode of the second switch tube is connected with one end of the fourth resistor and is connected with a cathode of the first diode through the fifth resistor, an anode of the first diode is connected with a first end of the auxiliary winding of the second transformer, a base electrode of the second switch tube is connected with the other end of the fourth resistor and the cathode of the second voltage-stabilizing tube, and an anode of the second voltage-stabilizing tube is grounded.
6. The power adapter of claim 5, wherein the adjusting driving module comprises a driver, a fourth capacitor, a seventh resistor, a fifth capacitor, a sixth capacitor, a ninth resistor, a tenth resistor, an eighth resistor, and a first power tube;
the seventh end of the driver is connected with the cathode of the second diode, the sixth end of the driver is connected with the grid electrode of the first power tube through an eighth resistor, the drain electrode of the first power tube is connected with the second end of the primary winding of the second transformer, the eighth end of the driver is connected with one end of the fourth capacitor and is connected with the fourth end of the driver and one end of the fifth capacitor through the seventh resistor, the third end of the driver is connected with one end of the sixth capacitor and is connected with one end of the tenth resistor and the source electrode of the first power tube through the ninth resistor, and the other end of the fourth capacitor, the other end of the fifth capacitor, the other end of the sixth capacitor, the other end of the tenth resistor, the fifth end of the driver and the second end of the driver are all grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221703377.XU CN217563537U (en) | 2022-07-04 | 2022-07-04 | Energy-saving power supply adapter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221703377.XU CN217563537U (en) | 2022-07-04 | 2022-07-04 | Energy-saving power supply adapter |
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| CN217563537U true CN217563537U (en) | 2022-10-11 |
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| CN202221703377.XU Active CN217563537U (en) | 2022-07-04 | 2022-07-04 | Energy-saving power supply adapter |
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