31results about How to "Achieve zero power consumption" patented technology

The invention provides a control circuit for reducing power consumption of an electronic product, which comprises a processor, a power supply connection end, at least one function circuit, an input circuit, a sleep/wakeup circuit and a storage medium, wherein the power supply connection end is used for connecting a power supply for providing power for the control circuit; the at least one function circuit comprises a function unit for realizing a specific function of the electronic product and a function switch for independently controlling on and off of the function circuit; the input circuit is used for transmitting current to the function circuit from the power supply connection end and is provided with an electronic switch, and one electrode of the electronic switch is connected with the processor; the sleep/wakeup circuit is used for sending a sleep working instruction or a wakeup working instruction; the storage medium stores multiple instructions, the instructions are executed by the processor to enable the processor to receive the sleep working instruction or the wakeup working instruction; and voltage inputted to the electronic switch is controlled. The invention also provides a control method for reducing the power consumption of the electronic product. Zero power consumption of the function circuit is realized, and after the function circuit is waked up, the working state before sleep can be lasted.

The invention discloses an alternating current detection circuit and an automatic power-off circuit with zero power-off power consumption. The alternating current detection circuit comprises resistors R1 and R2, a capacitor C1, a filter element C2, diodes D1 and D2, and a photoelectric tube U1, wherein a positive end of the diode D1 is connected with a negative end of the diode D2, and a connecting end is an end point X; the negative end of the diode D1 is connected with the positive end of the diode D2, and the connecting end is an end point Y; two ends of the resistor R1 are connected with the end point X and the end point Y; and the alternating current detection circuit also comprises a diode D3 or a triode P1. The automatic power-off circuit with the zero power-off power consumption is provided with the alternating current detection circuit which serves as a current detection device. By adoption of the alternating current detection circuit and the automatic power-off circuit, a current can be quite conveniently detected, a circuit structure is easy to minimize, and after electric equipment is closed, a socket can be totally disconnected from an external power supply.

The invention discloses an energy-saving mechanism cooperating with an electromagnetic switching-on and switching-off mechanism for use. The energy-saving mechanism comprises a lock catch unit, an energy-saving unit, an automatic tripping unit and a hand-operated tripping unit. The moving iron core of an electromagnetic mechanism moves to an attracting position the instant when a coil is energized, the lock catch unit enables the moving iron core to maintain motionless at the attracting position through a mechanical lock catch structure formed between the lock catch unit and the moving iron core, and at the same time, the energy-saving unit controls the coil to be de-energized the instant when the moving iron core is deviated from an initial position, such that zero power consumption is realized when the electromagnetic switching-on and switching-off mechanism works, and enormous electric energy is reduced; the automatic tripping unit, when a user has an overdue bill, receives a tripping instruction and acts, and triggers the mechanical lock catch structure formed by the lock catch unit and the moving iron core to release a lock catch so as to realize automatic switching-off; and the hand-operated tripping unit, when an intelligent ammeter or a multifunctional terminal electric appliance needs overhaul or maintenance, triggers the mechanical lock catch structure formed by the lock catch unit and the moving iron core in a hand-operated mode to release the lock catch so as to realize hand-operated switching-off.

An electromagnetic operating mechanism is applied to a special circuit interrupter of an intelligent electric meter, and comprises an electromagnetic mechanism and an energy-saving mechanism, wherein the electromagnetic mechanism comprises an electromagnet, a reactive spring and a transmission mechanism; the energy-saving mechanism comprises a lock catch unit, an energy-saving unit and a tripping unit; a movable iron core of the electromagnet is moved to an attracting position at the coil electrifying moment; the fastening unit and the movable iron core form a lock catch structure to enable the movable iron core to be fixed at the attracting position, in addition, the energy-saving unit controls the power off of the coil at the moment when the movable iron core leaves an initial position, so that the power consumption of the electromagnetic mechanism is zero, and a large amount of electric energy is saved; the tripping unit can receive a tripping command and then triggers the lock catch unit to unlock the lock catch structure, as a result, the movable iron core quickly returns to the initial position, and after tripping, the stripping unit can reset for reuse.

The invention provides a novel zero-power PTC starter for a small refrigerating compressor. The novel zero-power PTC starter is provided with a PTC positive temperature coefficient thermistor which is connected to a loop of a motor secondary winding of the compressor in series, wherein a bidirectional triode thyristor is connected between the first end of the thermistor and the S end of the secondary winding in turn; and a normally open reed switch and the positive temperature coefficient thermistor Rt which are connected with each other in series are arranged between the control electrode of the bidirectional triode thyristor and an input zero line end of a power supply. In the invention, a starting current of a motor main winding of the refrigerating compressor serves as an exciting current of the normally open reed switch and a normally open contact of the reed switch is closed instantly when the motor is started; a trigger current is applied to the control electrode of the bidirectional triode thyristor through the thermistor Rt so that the bidirectional triode thyristor is electrified and then the motor of the compressor is started; and after the starting is finished, the contact of the reed switch is disconnected, the control current disappears from the control electrode, the thyristor is stopped and the current of the motor secondary winding is zero.

The embodiment of the invention provides an adapter, a notebook computer and an energy saving method for the adapter. The adapter comprises an input end, an AC/DC conversion module, an output end and an AC switch, wherein the input end is connected to the external AC; the AC/DC conversion module is used for converting the AC into DC; the output end is used for outputting the DC; the AC switch is connected to an AC line between the conversion module and the input end; and the AC switch is used for disconnecting the AC between the conversion module and the input end when the output end is pulled out of the DC interface of the electrical equipment, and connecting the AC between the conversion module and the input end when the output end is inserted in the DC interface of the electrical equipment. The embodiment of the invention can enable the adapter to realize zero power consumption in the standby state, thereby solving the technical problem that the adapter in the prior art consumes power when being not connected to a load (in the standby state).

The disclosed preparation method for self-shielded lead-acid battery comprises: (1) setting in turns the positive plate, baffle plate and the negative plate in different shell slots, and connecting the negative plate with the next positive plate serially; and (2) paralleling at least one by-pass circuit between every positive and negative plates for shunting during charging when the charging voltage up to near or up to a threshold. This invention can prevent the over-charge or less-charge, and improves the service time of lead-acid battery greatly.

The invention discloses a refrigerating device, a constant-speed compressor system and a starting running low-power-consumption control circuit of the constant-speed compressor system. The constant-speed compressor system comprises a starter and a main control panel. The starting running low-power-consumption control circuit comprises a first controllable switch unit arranged on the main control panel, a second controllable switch unit arranged on the main control panel, and a control chip arranged on the main control panel, wherein the first controllable switch unit is connected with a constant-speed compressor through the starter; the second controllable switch unit is connected with the constant-speed compressor through the starter; the control chip is used for controlling the second controllable switch unit to be closed at first when receiving a starting instruction of the constant-speed compressor, controlling the first controllable switch unit to be closed to connect an alternating current power source to supply power to the constant-speed compressor after the second controllable switch unit is closed, and controlling the second controllable switch unit to be opened to cut off a power supply loop of a PTC resistor in the starter after the constant-speed compressor is started, and the purpose of zero power consumption of the starter is achieved when the constant-speed compressor runs.

The invention provides a battery power supply circuit, and relates to the technical field of battery charging and discharging. The battery power supply circuit comprises a master control chip, a voltage-dividing detection circuit, a first switch assembly, a second switch assembly, a logic assembly and a power supply output end; when the power supply circuit is in a discharging state, the second switch assembly is closed, a power supply supplies power to the external; the master control chip is used for detecting voltage information through the voltage-dividing detection circuit after being conducted, and controlling the second switch assembly to be turned off when the voltage information is lower than the preset voltage value. The power supply circuit has the advantage of realizing zero power consumption in a standby state.

The invention relates to a linear scanning data wireless transmitting-receiving apparatus and method, which can transmit the data after scanning and identifying picture, text or bar code by wireless mode. Wherein, the apparatus comprises a wireless communication device, a line scanner, and a connecting component; the connecting component includes a scanning starting drive and a power switch circuit; the scanning starting drive is connected with the GPIO1 input/output port of a main processor contained in the wireless communication device; the enablement terminal of the serial peripheral equipment interface SPI of the main processor is connected with the signal input terminal VIN of the line scanner by a power switch circuit; the synchronized clock signal CLK of the serial peripheral equipment interface SPI is directly connected with the clock port CLK of the line scanner; the line image scanning staring pulse SP from the general input/output interface GPIO2 of the main processor is directly connected with the line image scanning staring pulse signal input terminal of the line scanner; the digital line scanning output signal VOUT output by the line scanner is directly connected with the serial peripheral equipment interface SPI.

The invention discloses a control method, device, equipment and system of a voice remote controller and a storage medium. The voice remote controller comprises a power supply, a DSP voice processing unit and a main control module. The method is applied to the main control module, and the method comprises the following steps: acquiring startup and shutdown information of a television sent by a television box matched with the voice remote controller; enabling the power supply to stop supplying power to the DSP voice processing unit under the condition that the startup and shutdown information represents that the television is shut down; and enabling the power supply to supply power to the DSP voice processing unit under the condition that the startup and shutdown information represents that the television is turned on. According to the method, zero power consumption of the DSP voice processing unit can be realized so that the service time of the voice remote controller can be greatly prolonged.

Provided is a zero-power-consumption intelligent standby power saver. The zero-power-consumption intelligent standby power saver comprises an EMI filter circuit MD1, a current detection and energy storage circuit MD2, an MCU control circuit MD3, a magnetism maintaining and driving switching circuit MD4 in a sequential connection mode, wherein the EMI filter circuit MD1 is used for inputting common-mode rejection alternating-current interference signals and preventing alternating-current interference signals which are generated inside from being outwards transmitted, the purpose of environmental friendliness and the purpose of being free of pollution are achieved, the current detection and energy storage circuit MD2 is used for detecting current of an electrical appliance and storing electric energy, the MCU control circuit MD3 is used for giving out control instructions to the magnetism maintaining and driving switching circuit MD4, and the magnetism maintaining and driving switching circuit MD4 receives the control instructions from the MCU control circuit MD3 to start or stop the electrical appliance. According to the zero-power-consumption intelligent standby power saver, the purpose that the electrical appliance can automatically turn off an input power source of the electrical appliance when in a standby state is achieved, the electrical appliance can automatically turn off power supply input, and can be started through infrared wireless control, the effect of zero power consumption is achieved when the electrical appliance is in the standby state, and the electric energy is greatly saved.

The invention discloses a control method, and device of a voice remote controller, equipment and a storage medium, the voice remote controller comprises a DSP voice processing unit and a power supply, and the method comprises the following steps: obtaining a current moment; detecting whether the current moment is within a target time period; when the current moment is within the target time period, controlling the power supply to stop supplying power to the DSP voice processing unit; and when the current moment is not in the target time period, controlling the power supply to supply power to the DSP voice processing unit. According to the method, the zero power consumption of the DSP voice processing unit can be realized, so that the service time of the voice remote controller can be greatly prolonged.

The invention relates to the technical field of automobile power supply, in particular to a high-reliability controller power supply system with subzero power consumption, a method and a storage medium. Comprising a battery management system master control module, a power supply relay K1, a first anti-reverse-serial-connection diode and a second anti-reverse-serial-connection diode, and the power supply relay K1 is connected between a constant power supply and a power signal input end of the battery management system master control module. The coil end of the power supply relay K1 is connected with the self-locking power supply control signal output end of the battery management system master control module through a first anti-reverse-serial diode, and the coil end of the power supply relay K1 is connected with the activation signal output end through a second anti-reverse-serial diode. A power supply loop activated by an external signal and self-locked by the controller is established, and power supply locking, data storage before power-off, power-off control and the like are realized by software of the controller. The stability of power supply control and data storage of each controller is ensured, and meanwhile, zero power consumption in a power-off state is realized.

The invention provides an electricity zero-power-consumption protection circuit of a dust collector. The circuit comprises a switch sub-circuit provided with a switch part and a first diode, wherein one end of the switch sub-circuit is grounded, the switch sub-circuit is connected with an electricity transmission sub-circuit, the electricity transmission sub-circuit is provided with a first resistor and a first capacitor, and one end of the electricity transmission sub-circuit is connected with a power transmission unit, and the other end is grounded; a capacitor sub-circuit which is connectedwith the switch sub-circuit, wherein a second capacitor and a second resistor are arranged on the capacitor sub-circuit; and a MOS transistor circuit which is provided with an MOS transistor, whereinthe MOS transistor circuit is connected with a positive electrode and a negative electrode of a battery pack, and the capacitor sub-circuit is connected with the MOS transistor. The invention furtherprovides a protection method. Compared with the prior art, the zero-power-consumption effect of the circuit can be achieved after the dust collector is shut down and powered off, and the electric energy of batteries is saved.

The invention provides a control device of a circuit system. The control device comprises a main power supply circuit, a main controller circuit, a switch driving circuit, a switch module, a wake-up circuit and a non-wake-up circuit, wherein the main power supply circuit is respectively connected with the main controller circuit, the switch driving circuit and the wake-up circuit, the main power supply circuit is also connected with the non-wake-up circuit through the switch module, and when a circuit system enters a low-power-consumption state, the main controller circuit sends a control signal to the switch driving circuit, the switch driving circuit controls the switch module to be switched off according to the control signal, and the main power supply circuit stops supplying power to the non-wake-up circuit. The invention further provides a control method of the circuit system. According to the control device and method of the circuit system, when the circuit system enters the low-power-consumption state, the non-wake-up circuit is completely powered off to achieve zero power consumption of the circuit, and the devices and chips of the non-wake-up circuit do not need to be selected from devices and chips in a sleep mode, so that the system cost is lower.