218results about How to "Reduce the number of charging" patented technology

The invention discloses a device and method for managing batteries. The method comprises the following steps: determining whether an external power supply needs to be connected; using the external power supply to directly supply power for an electricity consumption module if the external power supply needs to be connected; determining whether the electric quantity of a first battery is lower than a first threshold if the external power supply does not need to be connected; using the first battery to supply power for the electricity consumption module if the electric quantity of the first battery is not lower than the first threshold, and determining whether the electric quantity of a second battery is lower than the first threshold if the electric quantity of the first battery is lower than the first threshold; and using the second battery to supply power for the electricity consumption module if the electric quantity of the second battery is not lower than the first threshold, and stopping to supply power for the electricity consumption module if the electric quantity of the second battery is lower than the first threshold. According to the invention, the first battery and the second battery can work in an alternative mode, and the battery can be replaced instead of being charged directly when lack of power, so the number of charge cycles can be reduced and the situation that the shortened life expectancy of a battery can cause the life expectancy of the whole power supply system to be shortened can be avoided, thus the service life of the battery powered system can be improved as a whole.

The present invention discloses a power supply management method, which comprises that: when an electronic device is in a first operating mode, PDU detects electric quantity parameters of a storage battery or storage battery pack in the electronic device, determines whether the electric quantity parameters meet preset charging conditions, and outputs an instruction to EC when the electric quantity parameters meet the preset charging conditions; and the EC responses the instruction and controls a charging circuit to charge the storage battery or storage battery pack. According to the power supply management method, charging control on the storage battery or storage battery pack in the electronic device is achieved with the matching of the PDU and the EC; and before the PDU outputs the instruction to the EC, the EC is always in the low power consumption mode and can not be waked up frequently so as to reduce EC power consumption and reduce the number of charging on the storage battery or storage battery pack, such that the service life of the storage battery or storage battery pack is prolonged. The present invention further discloses a power supply management system and an electronic device.

The invention discloses a battery charging management device under the shutdown state and a method thereof, and the method comprises the charging starting management step under the shutdown state and the charging finish management step after full charging. The charging starting management step comprises the following steps: A1 after each time of full charging and switching the power supply switching circuit to the interruption state, timing is started; B1, when the counted time reaches a first time, the electrical source manage circuit controls the electrical switching circuit to be the turn-on state, so as to communicate the battery module with the electrical source. The invention also discloses a method for managing battery charging. The invention facilitates battery charging management to become simple under the shutdown state and realizes the low-power consumption design under the shutdown state.

The method provides an electronic paper display device, a display device and a driving method. The driving method includes obtaining a frame of image data and comparing with a current frame of image data; providing driving waveform data according to comparative results; and providing driving waveforms corresponding with the driving waveform data to drive the display device, allowing the display device to update a current frame of image data to a next frame of image data through a multiframe transition image, wherein for a same frame of transition image for the display device, driving waveforms with same time of duration are provided to each display unit of the display device; for different frames of transition images, the driving waveforms provided to a same line of display units of the display device do not have same time of duration, thereby prolonging charging time of at least part of frames of transition images to reduce displaying of frames of frames of transition images. The driving device can save power by using the driving method.

The invention provides an electrically assisted bicycle having a simplified construction for reliably effecting a change-over to regenerative generation of power. The bicycle comprises a human power drive mechanism using a human drive force, and an electric drive mechanism adapted to receive power supplied from a battery 13 for driving a motor 32 with a drive force in accordance with a value detected by a torque detector 41 for detecting human torque of the human power drive mechanism. Electric power is produced by regenerative generation when cranks 6 of the human power drive mechanism are rotated with a number of revolutions smaller than is needed for causing the bicycle to run on a level road at a speed detected by a speed detector 40.

The invention discloses a separable trailer type electric bus. The separable trailer type electric bus comprises a traction carriage, a trailer carriage and hitching systems, wherein the traction carriage mainly comprises a power system, an operation control system, a hitching system and a power battery pack, the power battery pack supplies power for equipment in the traction carriage, an operation control system controls equipment in the two carriages to run; the trailer carriage mainly comprises a power battery pack and a hitching system, the power battery pack supplies power for equipment in the trailer carriage, and when the traction carriage and the trailer carriage are connected together by the hitching systems, a power battery in the trailer carriage supplies power for the power system or other equipment in the traction carriage. By the adoption of the separable trailer type electric bus, the operation of a bus company becomes more flexible, energy waste can be reduced, the service life of the power batteries can be effectively prolonged, and maintenance and replacement cost of the power batteries and bus running cost can be lowered.

The invention relates to an animal management method and an animal management system for achieving the same. The system comprises a main control terminal and a plurality of controlled terminals. Each animal body wears a controlled terminal, the controlled terminal monitors data of the corresponding animal such as the position, the heart rate, the body surface temperature, the feeding condition and the exercise quantity and transmit the data to the main control terminal, so that workers can timely find the animals with abnormal bodies and the lost animals and facilitate the follow-up work.

A method for reducing power consumption of a radio-frequency SIM card in a standby mode is characterized by comprising the following steps: when the radio-frequency SIM card is in the standby mode, using a main control integrated circuit (120) to periodically send wake-up clock pulses (Pwd) to enable a radio-frequency wireless receiving and sending chip (100) to be started normally; using the radio-frequency wireless receiving and sending chip (100) to detect the state of communication with a peripheral device and send different indication signals to self and the main control integrated circuit (120); and continuously switching on the radio-frequency wireless receiving and sending chip (100) and the main control integrated circuit (120) to enable the radio-frequency SIM card to be communicated with the peripheral device, or immediately switching off the radio-frequency wireless receiving and sending chip (100) and continuously switching off the main control integrated circuit (120) toenable the radio-frequency SIM card to work in a small current mode, and terminating the wake-up working state. The scheme of the method of the invention can enable the radio-frequency SIM card and aradio-frequency hand-held device to work in the standby (suspend) mode in most time, thus the total standby (suspend) duration can be prolonged relatively.

A double charged battery supply device for communication terminals power detection end of 1, the input end of 2 are connected with the input end of 4 and connected with the positive output end of 8, the first signal output end of 1 is connected with the control signal input end of 2, the second signal output end of 1 is connected with the control signal input end of 4, the input end of the first voltage detection input end of 1, output end of 2, the input of 3 are connected with the positive of 6, the second voltage test input end of 1, the output of 4, input of 5 are connected with the positive of 7, the negative of 6, 7 are linked to the earth, the output of the first control signal is connected with the input of 3, the second output end of 1 is linked to the input of 5, the output of 3 with output of 5, the earth ends of 2 and 3 are connected with the negative end of 6, and those of 4 and 5 are connected with the negative of 7.

A doffing parent-subsidiary car device with a four-bar lifting mechanism belongs to the field of doffing equipment of ring spinning frames and comprises a doffing car and a liftable parent car, wherein the doffing car comprises a car body, a suspension mechanism, a travelling mechanism, a bobbin pulling mechanism and a bobbin insertion mechanism; the liftable parent car comprises a car frame, a rotating component, an air spring, a second motor and a second transmission mechanism. The device utilizes the parent car and the subsidiary car to separate loading and doffing functions, realizes functions of automatic travelling, doffing and bobbin insertion, and has an automatic loading function, and the height of the doffing car can be adjusted continuously to adapt to the heights of upper guide rails of spinning frames of different specifications; the degree of automation is high, and the loading and unloading operations are easy; the parent car does not follow the doffing car to travel for doffing, so that the power loss is reduced, and the service life of a battery is prolonged; doffing of all bobbins of a spinning frame is realized by the use of two analog guide rails and false spindles.

The invention relates to the technical field of battery pack safety and heat dissipation, and discloses an anti-overheating, anti-spontaneous combustion and anti-spontaneous explosion method for a battery pack, which comprises a box body, a cooling unit and a decompression unit. The battery pack is composed of an inner shell, an outer shell, a battery pack module, a stand column plate module, a battery grid, a battery pack grid, a flow dividing hole pipe and a flow guiding liquid pipe. A liquid inlet is formed in one side of the battery pack, a liquid pumping opening is formed in the other side of the battery pack, a liquid inlet and a liquid outlet are formed outside the battery pack, and spaces are formed around the batteries for direct heat dissipation. The cooling unit comprises a temperature controller, a cooling liquid pump and an electric valve. The decompression unit comprises an external heat exchanger, a vacuum pump and an exhaust safety valve. The anti-overheating, anti-spontaneous combustion and anti-spontaneous explosion method for the battery pack disclosed in the invention has the characteristics of low cost, high efficiency, simple structure and strong universality,and a method of directly soaking a battery without closing or enclosing frame liquid.

The invention provides a liquid crystal display panel and a driving method of the liquid crystal display panel. The liquid crystal display panel comprises a plurality of pixel units which are arranged in an array mode, a first common electrode wire and a second common electrode wire, wherein more than two successive rows of successive pixel units form one set, and multiple sets of pixel units are formed. Any two adjacent rows of pixel units in each set are respectively connected with the first common electrode wire and the second common electrode wire, the last row of pixel units of the former set of the two adjacent sets and the first row of pixel units of the later set of the two adjacent sets are connected to the same common electrode wire, the common voltage reversing cycle of the first common electrode wire and the common voltage reversing cycle of the second common electrode wire are the same and mutually opposite in phase, and every time one set of the pixel units is scanned, the common voltage reversing cycle of the first common electrode wire and the common voltage reversing cycle of the second common electrode wire are reversed once. The liquid crystal display panel and the driving method of the liquid crystal display panel can avoid the phenomena of whitening, blackening and abnormal gradual change of colors, and can lower the power consumption.

The invention discloses a vehicle-mounted on-the-way alternating automatic charging and electricity supplying system and method for an electric vehicle. The vehicle-mounted on-the-way alternating automatic charging and electricity supplying system comprises a wind-driven generator, wherein the wind-driven generator provides a charging current for a first group of electronic switches and a second group of electronic switches through a rectifier, a DC-DC convertor and a constant-current charger; a charging interface of the first group of the electronic switches is connected with a first accumulator battery and an electricity supplying interface of the first group of the electronic switches is connected with a second accumulator battery and an electricity device, a charging interface of the second group of the electronic switches is connected with a second accumulator battery and an electricity supplying interface of the second group of the electronic switches is connected with the first accumulator battery and the electricity device; the first group of the electronic switches and the second group of the electronic switches are controlled to be alternately opened by a switching controller; when the first group of the electronic switches are opened, the first accumulator battery is charged and the second accumulator battery supplies electricity; when the second group of the electronic switches are opened, the second accumulator battery is charged and the first accumulator battery supplies electric. According to the vehicle-mounted on-the-way alternating automatic charging and electricity supplying system and method of the electric vehicle disclosed by the invention, the first accumulator battery and the second accumulator battery which are mutually independent are designed, so that periodically alternate charging and electricity supply can be realized, the smooth travelling of the electric vehicle is guaranteed, the endurance mileage is extended, and besides, the parking frequency for charging of the vehicle is reduced.

The invention discloses a cascade type electric field induction power supplying circuit, belonging to the technical field of online monitoring equipment of an electric power system. The cascade type electric field induction power supplying circuit comprises an induction energy-obtaining circuit, a multi-winding transformer and an energy storage and micro-power consumption DC-DC circuit, which are cascaded with one another sequentially; the induction energy-obtaining circuit is capable of charging an energy-obtaining capacitor by means of displacement current generated by a high-voltage electric field between a metal induction electrode and the earth; the multi-winding transformer is capable of transferring the energy obtained by the energy-obtaining capacitor to an energy storage capacitor; and the energy storage and micro-power consumption DC-DC circuit is capable of converting the voltage of the energy-storage capacitor into the stable voltage grade required by an electric appliance. The power supplying circuit obtains energy by means of the high-voltage electric field of the induction transformer, belongs a self-powered system and does not need an additional power supply; the higher the voltage grader is, the more the obtained energy is; and the cascade type electric field induction power supplying circuit is applicable to a high/ultrahigh system.

The invention relates to a power consumption management system of a digital camera device. The power consumption management system comprises a state detection unit, a power consumption weighing corresponding table and a central control unit, wherein the state detection unit is used for detecting the using function and the camera procedure of the digital camera device in operation; the power consumption weighing corresponding table corresponds to power modules of the digital camera device; the central control unit is electrically coupled with the state detection unit and the power consumption weighing corresponding table; the power consumption weighing corresponding table comprises a plurality of power consumption weighing values of the power modules corresponding to the using function and the camera procedure of the digital camera device in operation; the central control unit weighs the power consumption weighing values on the power modules; and therefore, the total power consumption needed by the digital camera device is saved. In addition, according to the system, the invention also discloses a digital camera device with power consumption management and a power consumption management method thereof.

An electronic device capable of switching a power supply and a method, wherein, the electronic device comprises an inclination angle for sensing the electronic device, wherein, the inclination angle is an included angle between the electronic device and a horizontal plane; according to the inclination angle, the electronic device is switched between an opening state and a closing state.

The invention relates to an estimating method for residual traveling mileage of a pure electric vehicle based on a T-Box. The estimating method comprises the following steps: uploading current vehiclestate information to a network platform by the T-box; inquiring whether historical energy consumption information is shared or not on a current road section by the network platform, finding and taking historical energy consumption datum E platform energy consumption if the historical energy consumption information is shared on the current road section, otherwise, recording the historical energy consumption datum as 0; calculating residual energy at current moment; calculating average energy consumption E average energy consumption of each time quantum in a travelling process; calculating a difference value between the E platform energy consumption and the E average energy consumption; if the difference value is greater than 0 and is smaller than a calibrated threshold value, indicating that unit reference energy consumption E energy consumption is equal to E platform energy consumption, otherwise, indicating that unit reference energy consumption E energy consumption is equal to E average energy consumption; and calculating the residual travelling mileage, specifically, Sresidual is equal to Eresidual/Eenergy consumption. The estimating method is high in accuracy and reliability of residual travelling mileage calculation, can provide reliable reference to a driver, avoids blind charging, reduces charging frequency, and prolongs the service life of a power battery.

The invention discloses an animal body temperature monitoring system and a machine learning based body temperature state recognition method. The monitoring system includes an acquisition device and an intelligent terminal application; the acquisition device can acquire a contact pressure, the body temperature, and the acceleration information of an animal to be monitored, and can determine if there is an effective contact or not according to the contact pressure; and the intelligent terminal application receives effective animal data of the acquisition device, and recognizes the effective animal data as an animal body temperature state. The recognition method can learn and acquire the normal body temperature of the animal to be monitored in different motion states, and can recognize the body temperature state of the animal on the basis of learned information. The monitoring system can achieve automatic detection and remote real-time monitoring of the animal body temperature without manual detection or records, and can save lots of manpower. The recognition method can eliminate differences in species, ages, individuals and motion states of the animals, is really customized for each object to be monitored, and can achieve accurate and effective body temperature monitoring.

The invention relates to an energy storage system formed by a supercapacitor, a lithium battery and a lead-acid battery. The energy storage system includes a supercapacitor control branch, a lithium battery control branch, a lead-acid battery control branch and an energy storage battery intelligent control unit connected to each other in parallel. The supercapacitor control branch includes a firstswitch and a supercapacitor. The lithium battery control branch includes a lithium battery, a second switch and a first charging module connected in series. The lead-acid battery control branch includes a lead-acid battery, a third switch and a second charging module connected in series. The energy storage battery intelligent control unit samples the voltage of the supercapacitor, the voltage ofthe lithium battery, the voltage of the lead-acid battery, the output voltage and the collection current, and controls the on-off of the first switch, the second switch and the third switch, so as torealize the intelligent control of the energy storage battery system. Compared with the prior art, the energy storage system of the invention has the advantages of reducing the times of impulse and discharge, being prolonged in service life, balancing the power, reducing the power consumption cost of the battery, and the like.