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204results about How to "Reduce standby power consumption" patented technology

Internet of Things intelligent control method and Internet of Things intelligent control system based on user perception

The invention discloses an Internet of Things intelligent control method and an Internet of Things intelligent control system based on user perception. The Internet of Things intelligent control method is characterized in that all users in a target area can be identified, and according to preset user priority levels, the user having the highest priority level is defined as the target user, and then the control parameters corresponding to the target user can be acquired, and the working state of the specified Internet of Things device can be controlled according to the control parameters; the Internet of Things intelligent control system comprises a user perception module, a target user selection module, a control parameter acquisition module, and a device control module. Various Internet of Things devices in the room are provided with the capability of perceiving the users, and can be used to provide the services to the users automatically based on the own responsibilities and functions according to the moving conditions of the users, and then the irrelevant relation between the working conditions of various devices in the room and the moving conditions of the users can be changed, and the living quality of the people can be improved.
Owner:谷振宇

Startup and shutdown circuit

The invention relates to startup and shutdown technology of electronic products, in particular to a startup and shutdown circuit. The startup and shutdown circuit comprises a startup and shutdown key, a system main control chip, a hard startup circuit, a soft shutdown circuit, a forced shutdown circuit and a system power supply, wherein the hard startup circuit, the soft shutdown circuit, the forced shutdown circuit and the system power supply are all formed by discrete components. The hard startup circuit, the soft shutdown circuit and the input end of the forced shutdown circuit are all connected with the startup and shutdown key. The output end of the hard startup circuit is connected with the system power supply, the output ends of the soft shutdown circuit and the forced shutdown circuit are connected with the system power supply through the hard startup circuit, and the soft shutdown circuit is further connected with the system main control chip. The startup and shutdown circuit is composed of all discrete components and is simple and low in standby power consumption and cost compared with startup and shutdown circuits controlled by an advanced reduced instruction set computer machine (ARM)/micro controller unit (MCU)/Super input/output (IO)/electronic computer (EC)/south bridge chip. Simultaneously the startup and shutdown circuit has high circuit reliability, can achieve a startup and shutdown control method same as that of x86 platform products (personal computer (PC) and Notebook) under the condition of non-x86 platform products, and increases a new user experience effect.
Owner:GUANGDONG VTRON TECH CO LTD

Microwave induction control method and microwave induction control device

ActiveCN104678828AExtended service lifeSolve problems that are prone to electric shock hazardsProgramme controlComputer controlHuman bodyElectricity
The invention discloses a microwave induction control method and a microwave induction control device and relates to the technical field of application of microwave sensors. According to the method, an action system for judging whether persons enter or leave the scene or not is established by using the Doppler effect through the microwave induction control device; a switch of a power supply of an electrical appliance is controlled by identifying the action that human bodies enter or leave the scene; the microwave induction control device adopted by the method can be arranged inside the electrical appliance, so that the electrical appliance adopts a closed structure, and moisture resistance and electric shock prevention can be realized. In addition, according to the method, the action whether the human bodies leave or not can be identified, and the power supply of the electrical appliance is automatically closed when the human bodies leave the detection range and no person exist in the detection range. Besides, the device is low in power consumption; when the device is installed on the electrical appliance for use, the standby power consumption of the electrical appliance can be greatly reduced, and further the aims of saving energy and electricity are achieved.
Owner:感仁科技(深圳)有限公司

System for realizing standby and awakening of set top box by utilizing singlechip

The invention discloses a system for realizing standby and awakening of a set top box by utilizing a singlechip, comprising a microcontroller, an RTC (Real Time Clock) clock chip, a state indication module and a controllable power supply, wherein the microcontroller detects whether a power on/off signal returned by the set top box or an RTC timing awake signal sent by the RTC clock chip is available or not; if the power on signal is available, the microcontroller controls the controllable power supply to supply electricity to a control mainboard of the set top box; the set top box further judges that where the signal comes from and performs corresponding action so as to realize video output or backstage downloading of the set top box; and once the microcontroller detects the power off signal, the set top box writes the timing time to the RTC clock chip, the microcontroller controls the controllable power supply to cut off electricity for each module on the control mainboard of the set top box. The system has lower standby power consumption and can ensure that the effective service life of the set top box is prolonged. Because the system has simple structure and low cost, and is convenient for production and alternation of the prior art, the system is suitable for wide popularization in the field of the set top box.
Owner:CHINA HUALU GRP

Power supply control system of electric automobile

InactiveCN104527445AMake sure to wake upMeet normal work needsVehicular energy storageElectric propulsionControl systemEngineering
The invention relates to a power supply control system of an electric automobile. The system comprises a CAN transceiver, an MCU control chip, a monitoring interface and a power supply control circuit; the power supply control circuit comprises a storage battery, a first power supply source and a second power supply source; the first power supply source is used for converting the voltage of a storage battery into working voltage of the MCU control chip, the monitoring interface and the CAN transceiver to be outputted; when the electric automobile is off, the MCU control chip is awakened through external signals received by the monitoring interface and the CAN transceiver; the second power supply source is used for converting the voltage of the storage battery into working voltage to be outputted to a peripheral electrode when the MCU control chip is awakened. According to the power supply control system of the electric automobile, the first power supply source supplies power to some circuit when the automobile is in an off state, and the second power supply source supplies power to other circuits under the awakening state, so that the normal use of the electric automobile can be ensured, and the power consumption of the electric automobile under a non-working state can be greatly decreased.
Owner:SHENZHEN INOVANCE TECH

Weak-current power supply system for power control unit (PCU) of electric automobile

ActiveCN102673424AMake sure to wake upImprove hard indicatorsVehicular energy storageElectric propulsionMicrocontrollerWeak current
The invention relates to a weak-current power supply system for a power control unit (PCU) of an electric automobile, which comprises a storage cell, a usual power supply circuit and an unusual power supply circuit, wherein the storage cell supplies electricity to a minimum singlechipystem circuit of a vehicle control unit (VCU) module, a DI (discrete input)/DO (discrete output) unit circuit and a CAN communication interface circuit via the usual power supply circuit, and the storage cell supplies the electricity to an AI (analogue input)/AO (analogue output) unit circuit, a motor controller module, the relay group of the VCU module and a contactor of a high-voltage power distribution module via the unusual power supply circuit only when the switch of the electric automobile is turned off. According to the weak-current power supply system, the usual power supply circuit and the unusual power supply circuit are adopted to provide two power supply modes namely usual power supply and unusual power supply for PCU, and the electricity is supplied to partial circuits, which need to work, of the VCU module in standby when the switch of the electric automobile is turned off so as to ensure the awakening of the electric automobile, also reduce the standby power consumption to the greatest extent and solve the problem of long-time storage of the electric automobile. The weak-current power supply system is greatly convenient for use of a user, improves the rigid index of the electric automobile and is green and environment-friendly.
Owner:SUZHOU INOSA UNITED POWER SYST CO LTD

Intelligent electric saving manager with low power consumption and management method thereof

The invention provides an intelligent electric saving manager with low power consumption and a management method thereof, aiming at solving the technical problems that electric saving equipment has large power consumption and cannot be widely used so as to cause inconvenience for daily life. The technical scheme is as follows: a power supply circuit comprises a rectification filtering circuit, a pulse current control circuit and a transformer output circuit. The rectification filtering circuit transmits a commercial power supply signal to the pulse current control circuit after carrying out current limiting, rectifying and filtering on the commercial power supply signal; after pulse current is processed by the pulse current control circuit, voltage regulation is carried out on the pulse current with the help of the transformer output circuit, and then the pulse current is output to each power supply universal socket. The invention has the following advantages: by adopting the technical measure that current oscillation strictly controls internal resistance of a power supply in the power supply circuit, the invention reduces the power consumption of a product itself at the same time as solving the standby energy consumption of power utilizing equipment, so as to lead the static power consumption of the product to be controlled within 0.1W, thereby realizing the electric saving of the electric saving product in the true sense.
Owner:FUTONG ELECTRONICS ENTERPRISE QINHUANGDAO

Vehicle data analysis system

The invention belongs to the technical field of vehicle inspection, and particularly relates to a vehicle data analysis system. The vehicle data analysis system comprises a vehicle-mounted data collecting module and mobile terminal equipment. The vehicle-mounted data collecting module comprises a core processor, a non-volatile storage module, a Bluetooth low-power-consumption module supporting a 4.0 or higher version, and the core processor can collect and process data related to vehicles in real time through an interface of a vehicle-mounted diagnostic system for the vehicles. Bluetooth wireless connection between the mobile terminal equipment and the Bluetooth low-power-consumption module can be in a connected state or a disconnected state, when the Bluetooth wireless connection is in the disconnected state, the vehicle-mounted data collecting module will store the data which are collected and processed by the core processor in real time and related to the vehicles in the non-volatile storage module, and when the Bluetooth wireless connection is in the connected state, the vehicle-mounted data collecting module will transmit the data which are collected and processed by the core processor in real time and related to the vehicles to the mobile terminal equipment in real time and transmit the data which are related to the vehicles and stored in the non-volatile storage module to the mobile terminal equipment.
Owner:龚轶

Battery management system with low standby power consumption and battery management system awaking method

The invention discloses a battery management system with low standby power consumption and a battery management system awaking method. The battery management system comprises a power supply, an isolation power supply module, a communication module, a communication bus, a communication isolation module, a control center, a power supply switch module and a communication bus level detection module, wherein the battery management system is in standby, the power supply switch module is disconnected by the control center; the communication bus level detection module detects the level signal of the communication bus; if level signal change of the communication bus is detected, an awakening signal is output to the control center; and the control center receives the awakening signal, awakens the battery management system and switches on the power supply switch module. The power supply switch module is disconnected when the battery management system is in standby, so that the power supply isolation module, the communication module and the communication isolation module are power off in a resting mode when the battery management system is in standby; and therefore, the standby power consumption of the battery management system is lowered and the standby time of the battery is prolonged.
Owner:HUIZHOU BNET TECH CO LTD

Power supply controller

The invention discloses a power supply controller. The power supply controller comprises a main power supply device, a main chip and a signal receiving device. The power supply controller also comprises an auxiliary power supply device, a switching device, a voltage detection device, wherein the switching device is connected with the main power supply device, the main chip and the auxiliary power supply device and is used for receiving the control signal of the main chip and switching the power source of the main chip; and the voltage detection device is connected between the main chip and the auxiliary power supply device and is used for detecting the voltage of the auxiliary power supply device. When the power supply controller receives a shutdown instruction, the main chip can transmit the signal to the switching device according to the shutdown instruction so as to make the auxiliary power supply device power the main chip, the main power supply device is in an idling or underload state at the time. In addition, the energy in the auxiliary power supply device detected by the voltage detection device can be used for deciding whether the main power supply device is selected to supply energy to the auxiliary power supply device, thereby reducing the standby power consumption of an electric apparatus and saving the electric energy.
Owner:GREE ELECTRIC APPLIANCES INC

High-power factor light-emitting diode driving circuit structure

The invention relates to a high-power factor light-emitting diode driving circuit structure and belongs to the technical field of a circuit structure. A driving control circuit module of the high-power factor light-emitting diode driving circuit structure controls the duty cycle of a switch of a power pipe by converting a negative voltage signal of an auxiliary winding which is acquired by sampling through a negative voltage signal sampling end into a corresponding current signal to characterize the voltage of a bus, so that a current peak value envelope extracted by the high-power factor light-emitting diode driving circuit structure from an alternating-current voltage source is enveloped into a sine waveform and has the same phase as the voltage of the structure, a bus voltage sampling circuit is not required, a sampling input pipe pin of a control circuit is eliminated, the cost of the circuit structure is effectively reduced, the standby power consumption of the circuit is reduced, the volume miniaturization of a whole machine is facilitated, and the control on the decreasing of the area of the circuit and the enriching of the functions of the circuit are also facilitated. The high-power factor light-emitting diode driving circuit structure is relatively wide in application range.
Owner:绍兴光大芯业微电子有限公司

Power supply circuit, control chip, switch power supply system and power supply method

The invention discloses a power supply circuit, a control chip, a switch power supply system and a power supply method. The power supply circuit comprises a control unit, a switch unit, a capacitor and an MOS transistor, wherein the control unit is electrically connected with the input end of the switch unit and the gate electrode of the MOS transistor for generating a voltage signal for conducting or cutting off the MOS transistor and/or a current signal for conducting or cutting off the switch unit; the input end of the switch unit is further electrically connected with the direct current voltage input end of the switch power supply system; the output end of the switch unit is electrically connected to the capacitor and the drain electrode of the MOS transistor; the source electrode of the MOS transistor is coupled to the load end of the switch power supply system, wherein when the MOS transistor and the switch unit are conducted, the switch power supply system supplies power to the load; and when the MOS transistor is cut off according to the cut-off voltage signal output by the control unit, the switch unit is cut off according to the cut-off current signal output by the control unit or the switch unit is cut off after the capacitor is charged for a certain time.
Owner:SHANGHAI BRIGHT POWER SEMICONDUCTOR CO LTD

Pole and tower power transmission line fault indicator

The invention relates to a high-voltage power transmission line grounding fault indicating and positioning device, in particular to a pole and tower power transmission line fault indicator and belongs to the technical field of electric power tools. The pole and tower power transmission line fault indicator comprises a base, a current transformer and a control circuit board connected with a power source are arranged on the base, an MCU processor is welded to the control circuit board, the secondary current output end of the current transformer is connected with the signal input end of the MCU processor through a rectifying and filtering circuit and an amplifying circuit which are arranged on the control circuit board, the signal input end of the MCU processor is further connected with a photoresistor, the control output end of the MCU processor is respectively connected with a turnover indicator and an LED caution light, a semicircular shell is arranged above the base, a display window is arranged on the semicircular shell, and the display window corresponds to the turnover indicator, the LED caution light and the photoresistor which are arranged on the base. The pole and tower power transmission line fault indicator is simple in structure, the fault of a power transmission line can be fast and accurately positioned, the fault finding difficulty is reduced, the workload and the labor intensity of inspection personnel are reduced, and stable and reliable power supply is guaranteed.
Owner:STATE GRID CORP OF CHINA +2
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