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

The invention relates to an integrated circuit and discloses a chip power-on reset circuit and method thereof. In the invention, the chip power-on reset circuit comprises a pre-charge module, a charge charging and discharging module, a wave shaping module and a forced response module, wherein the pre-charge module is used for controlling the charging current of the charge charging and dischargingmodule; the charge charging and discharging circuit transforms the charging current into charging voltage and outputs the charging voltage; the wave shaping module amplifies and shapes the charging voltage to generate a POR (Power-On-Reset) signal; and the forced response module monitors the POR signal in the whole process and generates an output signal to lock and control the pre-charge module. Because the chip power-on reset circuit can generate the POR signal under the condition that the power voltage raises very slowly, after the power voltage is stable, the own power consumption is equalto zero.

An electromagnetic operating mechanism used in a circuit breaker for smart meters, including an electromagnetic mechanism and an energy-saving mechanism. The electromagnetic mechanism includes an electromagnet, a reaction force spring, and a transmission mechanism; The moving iron core of the iron moves to its suction position when the coil is energized, and the locking unit forms a locking structure with the moving iron core to keep the moving iron core at the suction position. At the same time, the energy-saving unit Immediately after the moving iron core leaves the initial position, the control coil is powered off, thereby realizing zero power consumption when the electromagnetic mechanism is working, and saving a lot of electric energy; the tripping unit can receive the tripping command to trigger the locking unit to unlock the locking structure, so that the The moving iron core quickly returns to its original position, and the trip unit can return to its return position after tripping for the next use.

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 embodiment of the present invention discloses a power supply control circuit, wherein the first relay controls the connection between the battery positive terminal and the battery positive output terminal, and the battery negative terminal is connected to the battery negative output terminal; the first self-resetting switch and the second relay Both are used to control the connection between the positive connection terminal of the battery and the positive power connection terminal of the DC / DC power module, and the negative connection terminal of the battery is connected to the negative power connection terminal of the DC / DC power supply; the DC / DC power supply is used to supply power to the battery management system ; The second self-resetting switch is used to control the connection between the DC / DC power supply and the level detection terminal of the battery management system; the battery management system is used to control the conduction of the first relay and the second relay when powered on, and When the level detection terminal detects a level signal meeting the preset condition, the first relay and the second relay are controlled to be disconnected. The embodiment of the present invention can completely cut off the power supply of the battery management system when the power supply to the load is turned off, so as to realize the zero power consumption of the shutdown.

An energy conservation mechanism is suitable for being used in cooperation with an electromagnetic mechanism. The energy conservation mechanism comprises a lock catch unit, an energy conservation unit and a releasing unit. A movable iron core of the electromagnetic mechanism moves to the pull-in position of the movable iron core the moment a coil is powered on. A lock catch structure is formed between the lock catch unit and the movable iron core so that the movable iron core can be kept unmoved at the pull-in position. Meanwhile, the energy conservation unit controls the coil to be powered off the moment the movable iron core moves away from an initial position, so that zero power consumption is realized when the electromagnetic mechanism works, and a large amount of electricity is saved. The releasing unit can receive a releasing instruction and triggers the lock catch unit to unlock the lock catch structure, so that the movable iron core is made to return to the initial position quickly; besides, the releasing unit can return to the returning position after the releasing process to be used next time.

The invention discloses a control circuit for power output of a drive board, including: an optocoupler drive circuit, a photocoupler, and a switching power supply drive circuit, wherein the optocoupler drive circuit is connected to a pin of the main control board in the electrical equipment respectively , and the light-emitting source connection in the photocoupler is used to control the light-emitting source to emit light when receiving the drive signal output by the pin to control the drive board to enter the working state; When the signal is driven, the light emitting source is controlled to be extinguished; the switching power supply drive circuit is respectively connected with the light receiver in the photocoupler and the switching tube of the drive board power supply, and is used for when the light receiver is turned on, the The switch tube is turned on so that the drive board power supply outputs voltage, and when the light receiver is not turned on, the switch tube is turned off so that the drive board power supply does not output voltage.

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.

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 invention relates to an automatic data acquisition unit for a mechanical flow meter, in particular to a nanoampere-level micro power-consumption gauge head data acquisition unit which adopts a dry reed pipe to acquire gauge head data and overcomes the defects that a gauge head data acquisition unit in the prior art has large power consumption and is easily interfered by an external magnetic field. The nanoampere-level micro power-consumption gauge head data acquisition unit comprises a sensor connected with a microprocessor; the sensor comprises a first dry reed pipe which is provided with a single-pole double throw switch, and the two switch contacts of the first dry reed pipe are respectively connected with a high level and a low level, and output corresponding level signal to the microprocessor via an output end. The invention is used for the data acquisition of the mechanical consumption meter, can achieve zero power consumption of an acquisition circuit to reduce the power consumption of the whole unit, further adopts a structure of double dry reed pipes and a magnetic shield plate to improve the anti-interference ability of the unit, and is used together with the microprocessor with very low power consumption to realize the nanoampere-level micro power-consumption gauge head data acquisition.