CN216647204U - Low-power consumption control circuit - Google Patents
Low-power consumption control circuit Download PDFInfo
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- CN216647204U CN216647204U CN202122505941.9U CN202122505941U CN216647204U CN 216647204 U CN216647204 U CN 216647204U CN 202122505941 U CN202122505941 U CN 202122505941U CN 216647204 U CN216647204 U CN 216647204U
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- resistor
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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 utility model is suitable for the field of low-power-consumption control circuits, and provides a low-power-consumption control circuit which comprises a power output unit, a control unit and a processor MCU, wherein the power output unit is connected with two ends of alternating current and used for outputting power, the control unit is connected with the power output unit and used for controlling the work of the power output unit, and the processor MCU is connected with the control unit and used for controlling the work of the control unit. The circuit or the control module in the prior art all can all adopt the electro-magnet to aim at solving, consequently lead to the volume great, can't accomplish the technical problem of smallness.
Description
Technical Field
The utility model belongs to the field of low-power-consumption control circuits, and particularly relates to a low-power-consumption control circuit.
Background
At present, common small household electrical appliances in the market generally adopt a zero standby power consumption control module, an extremely low standby power consumption control module and a low power consumption control circuit, and the circuits or the control modules all adopt electromagnets, so that the circuits or the control modules have larger volume and cannot be miniaturized, and the adopted electromagnets also increase the cost to a certain extent and also make the electric circuit side complicated.
Disclosure of Invention
The utility model aims to provide a low-power-consumption control circuit, and aims to solve the technical problems that the size is large and the miniaturization cannot be realized due to the fact that both a circuit and a control module in the prior art adopt electromagnets.
The utility model is realized in such a way that the low-power-consumption control circuit comprises a power output unit, a control unit and a processor MCU, wherein the power output unit is connected with two ends of alternating current and used for power output, the control unit is connected with the power output unit and used for controlling the work of the power output unit, and the processor MCU is connected with the control unit and used for controlling the work of the control unit.
The further technical scheme of the utility model is as follows: the control unit comprises a triode T2, a field effect transistor QT1, a resistor R3, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a capacitor C5, a diode D5, a zener diode DZ 5 and a switch S5, one end of the resistor R5 is connected with the anodes of the processor MCU and the diode D5, the other end of the resistor R5 is connected with +15V, the cathode of the diode D5 is connected with the cathode of the diode D5 and one end of the switch S5, the anode of the diode D5 is connected with one end of the capacitor C5 and the cathode of the zener diode DZ 5, the other end of the capacitor C5 is connected with one end of the resistor R5 and one end of the resistor R5, the other end of the resistor R5 is connected with the grid of the field effect transistor 5 and one end of the resistor R5, the collector of the resistor R5 is connected with the collector of the triode T5, the base electrode of the triode T2 is respectively connected with one end of the resistor R11 and one end of the resistor R12, the other end of the resistor R11 is connected with the processor MCU, and the other end of the resistor R12, the emitter electrode of the triode T2, the anode of the voltage-stabilizing diode DZ1 and the other end of the switch S4 are all connected with GND.
The further technical scheme of the utility model is as follows: the power output unit comprises a resistor R1, a resistor R2, a resistor R4, a diode D1, a diode D2, a pole capacitor E1, a pole capacitor E2, a coil L1, a control chip U1, a pole capacitor E3, a pole capacitor E4, a resistor R7, a resistor R8, a resistor R5, a capacitor C1, a capacitor C3, a capacitor C2, a capacitor C4, a resistor R6, a coil L2, a diode D3 and a diode D4, wherein one end of the resistor R4 is connected with one end of the resistor R1 and an AC ACL end respectively, the other end of the resistor R1 is connected with one end of the resistor R2, the other end of the resistor R4 is connected with an anode of the diode D1, a cathode of the diode D1 is connected with an anode of the diode D2, cathodes of the diodes D2 are connected with an anode of the capacitor E2 and one end of the coil L2, and the other end of the coil L2 are connected with the resistor R2 respectively, An anode of the active capacitor E2 and a source of the field effect transistor QT1, a drain of the field effect transistor QT1 is connected to pins 6, 7, 8, 9 and 10 of the control chip U1, a pin 2 of the control chip U1 is connected to an anode of the active capacitor E3, a cathode of the diode D4, one end of the resistor R7 and one end of the capacitor C3, a pin 4 of the control chip U1 is connected to one end of the resistor R8 and the other end of the resistor R7, a pin 5 of the control chip U1 is connected to one end of the resistor R5 and one end of the capacitor C2, the other end of the resistor R5 is connected to one end of the capacitor C1, an anode of the diode D4 is connected to one end of the resistor R866, an anode of the active capacitor E4, one end of the capacitor C4, one end of the coil L2 and the other end of the capacitor C4974, and the other end of the diode L2 are connected to the cathode of the capacitor C3, the other end of the resistor R2, the cathode of the active capacitor E1, the cathode of the active capacitor E2, the pin 1 of the control chip U1, the other end of the resistor R8, the other end of the capacitor C1, the other end of the capacitor C2, the other end of the capacitor C3, the anode of the diode D3, the cathode of the active capacitor E4, the other end of the resistor R6 and the other end of the capacitor C4 are connected with an ACN end or GND of alternating current, and the other end of the active capacitor E3 is connected with GND.
The further technical scheme of the utility model is as follows: the power output unit further comprises a fuse FS1 connected in series between an ACL terminal of the alternating current and the resistor R4.
The further technical scheme of the utility model is as follows: the power output unit further comprises a voltage dependent resistor VR1 which is arranged between the fuse FS1 and the resistor R4 and is connected between an AC ACL terminal and an AC ACN terminal.
The further technical scheme of the utility model is as follows: the power output unit further comprises a safety capacitor CX1 which is arranged between the fuse FS1 and the resistor R4 and is connected between an ac terminal ACL and an ac terminal ACN of the alternating current.
The utility model has the beneficial effects that: the low-power-consumption control circuit controls the power output unit through the MCU, namely, the power output unit enters a zero-power-consumption mode, the whole circuit enters the zero-power-consumption mode, the corresponding control unit adopts a pure circuit structure to control the power output unit, and the control is not carried out at a use point, so that the size of the whole circuit is reduced, the circuit can be miniaturized, and in addition, the circuit is simple in structure and low in cost.
Drawings
Fig. 1 is an electrical schematic diagram of a low power consumption control circuit according to an embodiment of the present invention.
Detailed Description
Fig. 1 shows a low power consumption control circuit provided by the present invention, which includes a power output unit connected to two ends of an alternating current for power output, a control unit connected to the power output unit for controlling the operation of the power output unit, and a processor MCU connected to the control unit for controlling the operation of the control unit.
The control unit comprises a triode T2, a field effect transistor QT1, a resistor R3, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a capacitor C5, a diode D5, a zener diode DZ 5 and a switch S5, one end of the resistor R5 is connected with the anodes of the processor MCU and the diode D5, the other end of the resistor R5 is connected with +15V, the cathode of the diode D5 is connected with the cathode of the diode D5 and one end of the switch S5, the anode of the diode D5 is connected with one end of the capacitor C5 and the cathode of the zener diode DZ 5, the other end of the capacitor C5 is connected with one end of the resistor R5 and one end of the resistor R5, the other end of the resistor R5 is connected with the grid of the field effect transistor 5 and one end of the resistor R5, the collector of the resistor R5 is connected with the collector of the triode T5, the base electrode of the triode T2 is respectively connected with one end of the resistor R11 and one end of the resistor R12, the other end of the resistor R11 is connected with the processor MCU, and the other end of the resistor R12, the emitter electrode of the triode T2, the anode of the voltage-stabilizing diode DZ1 and the other end of the switch S4 are all connected with GND.
The power output unit comprises a resistor R1, a resistor R2, a resistor R4, a diode D1, a diode D2, a pole capacitor E1, a pole capacitor E2, a coil L1, a control chip U1, a pole capacitor E3, a pole capacitor E4, a resistor R7, a resistor R8, a resistor R5, a capacitor C1, a capacitor C3, a capacitor C2, a capacitor C4, a resistor R6, a coil L2, a diode D3 and a diode D4, wherein one end of the resistor R4 is connected with one end of the resistor R1 and an AC ACL end respectively, the other end of the resistor R1 is connected with one end of the resistor R2, the other end of the resistor R4 is connected with an anode of the diode D1, a cathode of the diode D1 is connected with an anode of the diode D2, cathodes of the diodes D2 are connected with an anode of the capacitor E2 and one end of the coil L2, and the other end of the coil L2 are connected with the resistor R2 respectively, An anode of the active capacitor E2 and a source of the field effect transistor QT1, a drain of the field effect transistor QT1 is connected to pins 6, 7, 8, 9 and 10 of the control chip U1, a pin 2 of the control chip U1 is connected to an anode of the active capacitor E3, a cathode of the diode D4, one end of the resistor R7 and one end of the capacitor C3, a pin 4 of the control chip U1 is connected to one end of the resistor R8 and the other end of the resistor R7, a pin 5 of the control chip U1 is connected to one end of the resistor R5 and one end of the capacitor C2, the other end of the resistor R5 is connected to one end of the capacitor C1, an anode of the diode D4 is connected to one end of the resistor R866, an anode of the active capacitor E4, one end of the capacitor C4, one end of the coil L2 and the other end of the capacitor C4974, and the other end of the diode L2 are connected to the cathode of the capacitor C3, the other end of the resistor R2, the cathode of the active capacitor E1, the cathode of the active capacitor E2, the pin 1 of the control chip U1, the other end of the resistor R8, the other end of the capacitor C1, the other end of the capacitor C2, the other end of the capacitor C3, the anode of the diode D3, the cathode of the active capacitor E4, the other end of the resistor R6 and the other end of the capacitor C4 are connected with an ACN end or GND of alternating current, and the other end of the active capacitor E3 is connected with GND.
The power output unit also comprises a fuse tube FS1 connected between an ACL end of alternating current and the resistor R4 in series. The fuse FS1 is provided to ensure safe use of the entire circuit to avoid burning out of components on the circuit due to unknown reasons or short circuits.
The power output unit further comprises a voltage dependent resistor VR1 which is arranged between the fuse FS1 and the resistor R4 and is connected between an AC ACL terminal and an AC ACN terminal. The voltage dependent resistor VR1 is arranged in the circuit to protect the input voltage in the circuit from transient overvoltage.
The power output unit further comprises a safety capacitor CX1 which is arranged between the fuse tube FS1 and the resistor R4 and is connected between an ACL end of the alternating current and an ACN end of the alternating current. The reason for providing the safety capacitor CX1 in the circuit is to solve the problem of EMI in the circuit.
When the low-power-consumption control circuit works, the power output unit is powered on once after the power supply is switched on, the power output unit outputs 15V voltage, the circuit is in a standby state, when the switch S4 is pressed, the rear-end processor MCU controls the conduction of the triode T2, the grid of the field-effect tube QT1 is pulled down, the field-effect tube QTI is conducted, and the whole circuit enters a normal working state; when the processor MCU gives a low level, the triode T2 is disconnected, the grid of the field effect transistor QT1 is in a high level state, the field effect transistor QT1 is disconnected, the power output unit enters a zero power consumption mode under standby, and therefore the whole circuit enters the zero power consumption mode.
The low-power-consumption control circuit controls the power output unit through the MCU control unit, namely, the power output unit enters a zero-power-consumption mode, and then the whole circuit enters the zero-power-consumption mode, the corresponding control unit adopts a pure circuit structure to control the power output unit, and the control is not specially carried out at a use point, so that the size of the whole circuit is reduced, the circuit can be miniaturized, and in addition, the circuit is simple in structure and low in cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A low power consumption control circuit, characterized by: the low-power-consumption control circuit comprises a power output unit, a control unit and a processor MCU, wherein the power output unit is connected with two ends of alternating current and used for outputting power, the control unit is connected with the power output unit and used for controlling the work of the power output unit, and the processor MCU is connected with the control unit and used for controlling the work of the control unit; the control unit comprises a triode T2, a field effect transistor QT1, a resistor R3, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a capacitor C5, a diode D5, a zener diode DZ 5 and a switch S5, one end of the resistor R5 is connected with the anodes of the processor MCU and the diode D5, the other end of the resistor R5 is connected with +15V, the cathode of the diode D5 is connected with the cathode of the diode D5 and one end of the switch S5, the anode of the diode D5 is connected with one end of the capacitor C5 and the cathode of the zener diode DZ 5, the other end of the capacitor C5 is connected with one end of the resistor R5 and one end of the resistor R5, the other end of the resistor R5 is connected with the grid of the field effect transistor 5 and one end of the resistor R5, the collector of the resistor R5 is connected with the collector of the triode T5, the base electrode of the triode T2 is respectively connected with one end of the resistor R11 and one end of the resistor R12, the other end of the resistor R11 is connected with the processor MCU, and the other end of the resistor R12, the emitter electrode of the triode T2, the anode of the voltage-stabilizing diode DZ1 and the other end of the switch S4 are all connected with GND; the power output unit comprises a resistor R, a diode D, an electrode capacitor E, a coil L, a control chip U, an electrode capacitor E, a resistor R, a capacitor C, a resistor R, a coil L, a diode D and a diode D, wherein one end of the resistor R is connected with one end of the resistor R and an ACL end of alternating current respectively, the other end of the resistor R is connected with one end of the resistor R, the other end of the resistor R is connected with an anode of the diode D, a cathode of the diode D is connected with an anode of the electrode capacitor E and one end of the coil L respectively, and the other end of the coil L is connected with the other end of the resistor R respectively, An anode of the active capacitor E2 and a source of the field effect transistor QT1, a drain of the field effect transistor QT1 is connected to pins 6, 7, 8, 9 and 10 of the control chip U1, a pin 2 of the control chip U1 is connected to an anode of the active capacitor E3, a cathode of the diode D4, one end of the resistor R7 and one end of the capacitor C3, a pin 4 of the control chip U1 is connected to one end of the resistor R8 and the other end of the resistor R7, a pin 5 of the control chip U1 is connected to one end of the resistor R5 and one end of the capacitor C2, the other end of the resistor R5 is connected to one end of the capacitor C1, an anode of the diode D4 is connected to one end of the resistor R866, an anode of the active capacitor E4, one end of the capacitor C4, one end of the coil L2 and the other end of the capacitor C4974, and the other end of the diode L2 are connected to the cathode of the capacitor C3, the other end of the resistor R2, the cathode of the active capacitor E1, the cathode of the active capacitor E2, the pin 1 of the control chip U1, the other end of the resistor R8, the other end of the capacitor C1, the other end of the capacitor C2, the other end of the capacitor C3, the anode of the diode D3, the cathode of the active capacitor E4, the other end of the resistor R6 and the other end of the capacitor C4 are connected with an ACN end or GND of alternating current, and the other end of the active capacitor E3 is connected with GND.
2. The low power consumption control circuit according to claim 1, wherein the power output unit further comprises a fuse FS1 connected in series between an ACL terminal of the alternating current and the resistor R4.
3. The low power consumption control circuit of claim 2, wherein the power output unit further comprises a voltage dependent resistor VR1 interposed between the fuse FS1 and the resistor R4 and connected between an ac terminal and an ac terminal.
4. The low power consumption control circuit according to claim 3, wherein the power output unit further comprises a safety capacitor CX1 interposed between the fuse FS1 and the resistor R4 and connected between an ACL terminal of the alternating current and an ACN terminal of the alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122505941.9U CN216647204U (en) | 2021-10-18 | 2021-10-18 | Low-power consumption control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122505941.9U CN216647204U (en) | 2021-10-18 | 2021-10-18 | Low-power consumption control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216647204U true CN216647204U (en) | 2022-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122505941.9U Active CN216647204U (en) | 2021-10-18 | 2021-10-18 | Low-power consumption control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216647204U (en) |
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2021
- 2021-10-18 CN CN202122505941.9U patent/CN216647204U/en active Active
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