48results about How to "Avoid charging" patented technology

The invention relates to the technical field of energy storage EMS, in particular to an energy storage EMS system SOC balance control system and method based on artificial intelligence, and the system comprises a monitoring system which is used for collecting the voltage, current, temperature and SOC parameters of a battery unit; the balance control system is used for carrying out balance control on the SOC of each battery unit in the battery pack through a reinforcement learning algorithm RStudy; the real-time regulation and control system is used for realizing real-time regulation of an SOC balance control strategy through a random forest algorithm; and the fault diagnosis and prevention system performs fault diagnosis through a random forest algorithm and performs prevention by adjusting a charging and discharging strategy. According to the design of the invention, a reinforcement learning algorithm RStudy is adopted to realize dynamic adjustment of the SOC of the battery unit, and the reinforcement learning algorithm RStudy can automatically learn an optimal decision strategy through interaction with the environment; the real-time reward and the long-term target can be balanced, excessive discharging or charging is avoided, battery aging is reduced, the optimal decision can be made in an uncertain environment, and the robustness and adaptability of the system are improved.

The invention relates to a data synchronization charging bin for a wireless sensor network, which comprises a data synchronization bin body structure and a data synchronization control system, the data synchronization bin body structure is provided with a plurality of grooves in a data synchronization bin body, and each groove is used for placing a wireless sensor. A charging and communication interface of the wireless sensor adopts a magnetic suction connector form, a shell of the data synchronization bin body is provided with a display screen, a control key and an indicator lamp, and the data synchronization bin is externally provided with a gigabit network communication interface; the data synchronization control module comprises an ARM main control module, a storage module, a communication module, a Beidou time service module and a power management module. According to the data synchronization charging bin for the wireless sensor network, rapid data collection and centralized charging of nodes of the wireless sensor network can be achieved, and meanwhile system time correction and synchronization of all the nodes in the wireless sensor network are completed.

The utility model discloses a power supply control circuit of an electronic fuel injection system of an engine and a general engine, the power supply control circuit comprises a voltage regulator, a power supply control module, a battery module, a switch module and a power supply port, the voltage output end of a magneto is connected with the voltage input end of the voltage regulator; the voltage output end of the voltage regulator, the switch module and the negative electrode of the battery module are connected with the power supply control module, the voltage output end of the voltage regulator and the positive electrode of the battery module are connected with the power supply port, and the power supply port is used for being connected with the power input end of the electronic fuel injection system so as to supply power to the electronic fuel injection system. When the magnetor outputs voltage, the power supply control module controls the battery module to supply power to the electronic fuel injection system, when the magnetor outputs voltage, the power supply control module controls the battery module to be disconnected, power is directly supplied to the electronic fuel injection system through the magnetor, and the magnetor does not charge the battery module. The starting performance of the manual starting general electronic fuel injection engine can be effectively improved with low cost.

The invention discloses a temperature drift suppression method and circuit for a charge and discharge capacitance detection circuit, and belongs to the technical field of electronic circuits. The circuit comprises a first GPIO interface, one end of which is connected with a capacitor to be tested through a first resistor; one end of the first analog switch is connected with the capacitor to be tested; one end of the second GPIO interface is connected with the power supply negative electrode end of the first analog switch, and one end of the third GPIO interface is connected with the output end of the first analog switch; the input end of the second analog switch is connected with the output end of the first analog switch, and the output end of the second analog switch is connected with a first capacitor; the input end of the second analog switch can be grounded through a third GPIO interface; in the charging stage, the capacitor to be tested can be charged through the first resistor and the high level output by the first GPIO interface, the second GPIO interface also outputs the high level, and the potential difference between the positive electrode and the negative electrode of the first analog switch is reduced.

The invention discloses a cost optimization method, a cargo loading method and device and a cloud control center of a mine charging and battery swapping station. The optimization method comprises the following steps: firstly, obtaining a peak-valley-flat time period in the time-of-use electricity price of a power grid; then, judging whether the current actual time falls into the power utilization peak time period in the power grid peak-valley-flat time period or not: if the current time is not in the power utilization peak time period, directly charging a non-fully-charged preparation battery of the mine charging and battery swapping station; if the current time is in the power utilization peak period, determining whether to charge the non-fully-charged preparation batteries in the mine charging and battery swap station according to the relationship between the number of the non-fully-charged preparation batteries of the mine charging and battery swap station and the number of the low-electric-quantity mine cards; the low-electric-quantity mine cards refer to mine cards of which the residual electric quantity is lower than a second threshold value of battery charging and replacing. Through the method, the charging strategy can be flexibly adjusted, the electric power cost is effectively reduced, the economic benefit of mine operation is improved, and meanwhile reasonable utilization of resources and improvement of the operation efficiency are promoted.

The invention relates to a temperature control method and device for a vehicle power battery, a vehicle and a storage medium, and the method comprises the steps: calculating the time for heating the vehicle power battery from the current temperature to a target charging temperature when the current temperature of the vehicle power battery is lower than a preset temperature, and obtaining a target heating duration; determining a target charging station from historical charging station information of a pre-constructed user charging database according to the current vehicle information, and calculating the predicted time length and predicted electricity consumption of the vehicle from the current position to the target charging station; and on the basis of the target heating duration, the current time point, the historical charging behavior data, the predicted duration and the predicted electricity consumption, judging that the current time point meets a time point for starting battery heating, generating battery heating reminding information, and sending the battery heating reminding information to a user terminal corresponding to the vehicle. The user is reminded to start the battery heating function in time, and the charging efficiency of the vehicle under the low-temperature condition is improved.

The wireless elevator calling equipment comprises a self-generating device and a main control board, an elevator calling button is arranged at the input end of the self-generating device, and the elevator calling button can be pressed by external force to drive the self-generating device to work so as to generate electric energy; a power management module, a main control module and a wireless communication module are integrated on the main control board; the output end of the self-generating device is electrically connected with the main control module and the wireless communication module through the power management module. According to the wireless elevator calling equipment based on self power generation, an external power source is replaced by the self power generation device, the problems of charging and replacing of a battery are avoided, maintenance of a system is simplified, meanwhile, a wired calling mode is replaced by the wireless communication technology, the requirement of an elevator calling system for cable laying is lowered, and the service life of the elevator calling system is prolonged. The wiring amount in the elevator installation process is greatly reduced, and the construction difficulty and cost are reduced.

The present invention provides a robot cluster scheduling method, system, electronic device, medium and program product, the method comprising: dividing all robots into a current working queue and a current charging queue; based on the power information of each robot in the current time period, using a corresponding simulation method to simulate, and obtaining the simulation output results of each simulation method in a future preset time period; comparing the simulation output results corresponding to a plurality of simulation methods, and determining the robot scheduling scheme according to the comparison results. The present invention simulates charging of the robot cluster according to different simulation methods, finds the most suitable charging strategy, and better utilizes future expectations, so that the robot cluster can avoid excessive charging while covering the expected tasks, and can give full play to the role of the robot.

The utility model relates to the field of noise detection, in particular to an urban acoustic environment noise detection sensor which comprises a fixed box, a noise sensor is fixedly connected to the bottom end of the fixed box, an energy-saving mechanism is arranged above the noise sensor, and the energy-saving mechanism comprises a sliding rod fixedly connected to the inner side wall of the fixed box. The outer side wall of the sliding rod is slidably connected with a moving seat, the inner side wall of the moving seat is in threaded connection with a threaded rod, and one end of the threaded rod is fixedly connected with a connecting sleeve. Through cooperation of the fixed box, the noise sensor and the energy-saving mechanism, when the rotating shaft and the fan blades rotate in strong wind weather, the connecting sleeve and the threaded rod are driven to rotate, so that the threaded rod is driven to rotate to achieve sliding of the movable seat, the bottom end of the movable seat is separated from the contact piece, power failure of the noise sensor is achieved, and the noise sensor is prevented from being damaged. And after the strong wind ends, the bidirectional reset spring is utilized to drive the moving seat to reset, so that the noise sensor is closed in a strong wind environment.

The embodiment of the utility model relates to the technical field of charging protection of electronic equipment, in particular to a charging switching protection device. The adapter comprises an adapter main body and a protection module, wherein the adapter main body is provided with an input port and an output port; the protection module is arranged in the adapter main body, the input end of the protection module is electrically connected with the input port, and the output end of the protection module is electrically connected with the output port; the protection module comprises a main control chip and a current detection assembly, the input end of the current detection assembly is connected with the output port, and the output end of the current detection assembly is connected with the signal enabling end of the main control chip. The protection device is reliable and effective, physical power failure is realized through a mode of detecting a load by the main control chip, the service life of a battery of the electronic equipment is prolonged, the overcharge potential safety hazard of the electronic equipment is reduced, meanwhile, the protection device does not need to change the configuration of an original charger, and the protection cost of a user is reduced while the electronic equipment is effectively prevented from being overcharged.

The invention discloses a portable power unit and a crane thereof, a battery is provided with a temperature alarm module, the battery is connected with a motor and a charging device through a circuit for storing and outputting electric energy, and the battery is connected with a radiator through a circuit; the hydraulic pump comprises at least one electric control variable pump and at least one gear pump; the hydraulic pump is connected with a crane hydraulic system through a hydraulic pipeline; the motor comprises a driving motor and converts electric energy output by the battery into mechanical energy used by the hydraulic pump; the charging device comprises a charging cable and a charger. The system can be used for a traditional fuel crane, the problems that a battery of a pure electric crane is high in price and high in cost are solved, and an electric control system for complex chassis driving and loading operation is not needed; a pure electric or plug-in working mode can be used, and the continuous working time can be effectively prolonged under the plug-in working condition compared with a pure electric crane; and a plug-in mode is used, so that the situation that the vehicle can be charged only after parking, flameout and stop working is avoided.

This application discloses an auxiliary power supply module and a power distribution terminal, belonging to the field of power supply. The auxiliary power supply module includes a charging circuit, an energy storage unit, a power failure detection delay circuit, a boost circuit, and a power output terminal. The charging circuit is connected to the energy storage unit and is used to charge the energy storage unit using the main power supply voltage when the main power supply voltage is normal. The power failure detection delay circuit is connected to both the charging circuit and the boost circuit and is used to output a working voltage to the boost circuit when the main power supply voltage is less than a first target voltage for a target duration. The energy storage unit is connected to the boost circuit and is used to output a stored energy voltage to the boost circuit. The boost circuit is connected to the power output terminal and is used to supply power at the working voltage, converting the stored energy voltage into a supply voltage and providing it to the power output terminal. The supply voltage is used to power the power distribution terminal. This application can improve the service life of the auxiliary power supply module and improve the stability of power supply.

Disclosed is a display device including: a display panel including a display area provided with pixels and a non-display area provided around the display area; and at least one gate driver configured to apply a scan signal and a light emission signal to the pixels. The compensation capacitor is short-circuited during the light emission period, but is applied with a DC voltage during at least one other driving period.

A battery protecting device and method according to embodiments of the present invention may identify accumulated charging time period of charging current applied to the battery cell and determine whether to permanently block charging and discharging of the battery cell by comparing the accumulated charging time period with a predetermined threshold time period, thereby preventing battery cell ignition due to lithium plating occurring in the battery cell caused from charging current.

The present invention relates to the technical field of medical devices, and in particular, to a stone removal device for urology, comprising a tube body assembly and a negative pressure suction assembly for generating negative pressure to absorb broken stones, wherein the tube body assembly is composed of an outer tube, a thick tube and a thin tube from right to left, the negative pressure suction assembly comprises a negative pressure generating device fixed on the outer wall of the outer tube and a negative pressure suction tube arranged inside the tube body assembly, the left end of the thin tube is provided with a stone removal assembly, the stone removal assembly comprises a blocking structure, a stone entry structure for facilitating the absorption of broken stones into the tube body assembly, and an end plate arranged at the left end of the blocking structure. By providing the blocking structure, the device can seal the deep part of the urethra before stone removal, so as to avoid the broken stones being flushed deeper into the urethra when injecting physiological saline; by providing the stone entry structure, the opening and closing of the stone entry port can be controlled, so as to avoid the broken stones falling back into the urethra due to shaking when the pipe assembly is pulled out.

The invention discloses a paying-off tackle and method facilitating traction of a walking board to pass through in stringing construction. The paying-off tackle comprises a variable-diameter pulley, a driving wheel is arranged on one side of the variable-diameter pulley, and a driven wheel is arranged on the other side of the variable-diameter pulley; the driving wheel comprises a first connecting disc, and a plurality of linear grooves are formed in the first connecting disc in the circumferential direction. The variable-diameter pulley comprises a second connecting disc, a plurality of arc-shaped grooves are formed in the second connecting disc in the circumferential direction, and the two sets of grooves correspond to each other in number and position and partially coincide with each other; a plurality of pulley blocks matched with the arc-shaped grooves in number are arranged on the outer side of the second connecting disc, the inner side of each pulley block is connected with one end of a supporting rod, the other end of each supporting rod is connected with a sliding rod, and one end of each sliding rod is freely inserted into the corresponding arc-shaped groove and the corresponding linear groove; and the variable-diameter pulley and the driving wheel are respectively driven by independent motors to rotate at a differential speed or a same speed. According to the paying-off tackle facilitating passing of the traction walking board in stringing construction and the method, resistance generated when the traction walking board passes can be reduced.

The invention discloses a dynamic predictive control method for a permanent magnet synchronous motor driving system, which is used for a motor side converter and a grid side converter which are connected in a grid-connected manner, and comprises the following steps of: acquiring an actual direct current bus voltage reference # imgabs0 #, generating a grid side active power reference # imgabs1 # of the grid side converter through a dynamic reference module, and performing dynamic predictive control on the grid side active power reference # imgabs1 # of the grid side converter. The optimal voltage vector # imgabs2 is then obtained by evaluating a predefined cost function. The dynamic parameter module is adopted in the grid-side converter to generate the active power reference, an additional PI controller is not needed, and the cost function comprises power constraint, so that the actual direct current bus voltage reference is kept in a safe range, overlarge charging or discharging current is avoided, and the reliability of the system is improved. And performance reduction caused by a common integral saturation problem in a PI control loop is also avoided.

The invention relates to the technical field of charging control of electrical automation equipment, in particular to a charging system of the electrical automation equipment, which comprises a storage battery module. The data acquisition module comprises a timer, a voltage sensor, an electric quantity determination assembly and a temperature sensor; the charging control module is used for analyzing the input voltage to determine single-time voltage fluctuation and fluctuation frequency so as to determine whether the stability of the input voltage is qualified or not, and is used for determining whether the residual electric quantity is corrected or not based on the open-circuit voltage so as to determine a switching sequence, a charging sequence and a preset charging duration of each standby battery based on the residual electric quantity; whether the preset charging duration is corrected or not is determined based on the charging temperature, and an alarm is given under the condition that the actual charging duration is greater than the preset charging duration; and switching to the storage battery module based on the unqualified input voltage, and controlling each standby battery based on the switching sequence and the charging sequence. The working efficiency of the electrical automation equipment is improved, and the service life of the electrical automation equipment is prolonged.

This invention discloses a vehicle. A vehicle includes: a power receiving unit for receiving power from an external source; a power storage device; a user input unit for accepting the setting of a timer charging schedule; and a control device for controlling timer charging of the power storage device using power supplied from an external source, according to the set schedule. The control device is configured to, when a vehicle system request is received before the charging start time specified by the schedule, initiate control based on the vehicle system request and charge standby until the charging start time specified by the schedule.

The invention belongs to the technical field of power transmission devices, and particularly relates to a non-contact power transmission device which comprises a base, a trolley is placed above the base, a PLC is fixedly connected to the upper side wall of the base, and a power source with an electric quantity sensing element is arranged in the trolley. When a power supply in the trolley is charged in a non-contact manner, the charging speed can be automatically slowed down after the internal electric quantity of the power supply reaches 90%, so that irreversible damage to the power supply caused by deposition of lithium metal on the surface of a negative electrode due to the fact that an electromagnetic induction charging device charges the power supply at high efficiency all the time is avoided; when the electromagnetic induction charging device is used for charging a power supply in the trolley, heat generated when the magnetic induction coil works can be automatically dissipated, and the problems that too much heat is accumulated in the magnetic induction coil, coil aging is accelerated, and the service life of the coil is shortened are solved.

The present invention belongs to the technical field of battery charging management, and discloses a lithium battery low-temperature charging system and a charging method thereof; the method comprises: collecting battery characteristic data and battery environment data of a lithium battery in real time; processing the battery characteristic data to obtain battery processing data; analyzing the battery characteristic data and the battery processing data to determine whether to generate an early warning instruction, wherein the early warning instruction comprises an abnormal instruction, a semi-abnormal instruction and a temperature abnormal instruction; if a semi-abnormal instruction is generated, charging is interrupted, and the lithium battery is preheated, and after the preheating is completed, the battery characteristic data is recollected and the battery processing data is obtained, and it is determined again whether an abnormal instruction is generated; the present invention realizes full intelligent management of the low-temperature charging process of the lithium battery, thereby effectively preventing safety hazards from occurring during the low-temperature charging process, improving the charging efficiency and service life of the lithium battery in a low-temperature environment, and realizing more efficient and safe low-temperature charging.

The invention discloses an energy storage system adaptive power distribution control method and system considering SOC, relates to the technical field of energy storage system power distribution control, and solves the problems of unreasonable power distribution and unbalanced charge state control between energy storage units in an existing direct current power supply system. Comprising the following steps: acquiring a charge-discharge state and a charge state of each energy storage unit in the energy storage system; calculating a first droop coefficient of each energy storage unit according to the charge-discharge state and the charge state of each energy storage unit; calculating a system charge mean value according to the charge states of all the energy storage units in the energy storage system, and calculating an equalization factor of each energy storage unit according to the charge-discharge state, the charge state and the system charge mean value of each energy storage unit; according to the first droop coefficient and the equalization factor of each energy storage unit, calculating a second droop coefficient of each energy storage unit, and guiding power distribution of each energy storage unit; through SOC and equalization factor optimization droop coefficient, reasonable power distribution and equalization control are realized.

A wireless sensing system powered by a quasi-2D tension-compression mode piezoelectric energy harvester relates to the technical field of Internet of Things power system design. An elastic beam is horizontally fixed between the supports on both sides of the base, a mass unit is fixed at the center of the elastic beam, and piezoelectric composite units are symmetrically installed on the elastic beam at both sides of the mass unit. The piezoelectric composite unit includes two layers of cymbal structure and a piezoelectric ceramic sheet sandwiched and bonded therebetween. The piezoelectric composite unit is fixed between the fractures at the corresponding positions of the elastic beam in the tensile direction. The micro-energy management module rectifies and stores the AC power generated by the piezoelectric composite unit to provide power for the Internet of Things module, and the Internet of Things module performs wireless broadcasting. The piezoelectric composite unit is used as the main body to generate electrical energy during vibration and is integrated with wireless sensor technology to replace traditional batteries as power supply, which is conducive to improving space utilization and energy density.

The present application provides a method, device and medium for controlling the battery output power of a hydrogen fuel cell vehicle, the method comprising: obtaining the current coolant temperature of the fuel cell of the hydrogen fuel cell vehicle; when the current coolant temperature is lower than a preset coolant temperature threshold, determining the first vehicle driving state of the hydrogen fuel cell vehicle; the preset coolant temperature threshold is the lowest temperature at which the fuel cell can enter a hot standby state; if the first vehicle driving state is an accelerated driving state, obtaining the first vehicle request power corresponding to the first vehicle driving state; based on the first vehicle request power, determining the first output power of the fuel cell and the second output power of the power battery in a manner that the output power of the fuel cell is increased preferentially; the sum of the first output power and the second output power is equal to the first vehicle request power. Determining the first output power of the fuel cell and the second output power of the power battery according to the present method can reduce resource waste on the basis of being able to meet the first vehicle request power.

The invention relates to a printing machine (01) designed as a sheet-fed printing press (01), having at least one printing head (09) and a roll unwinding device (24), wherein the printing machine (01) is provided with a transport path for transporting a printing substrate (02), and wherein the printing machine (01) has a central cylinder (07) as a printing substrate guide element (07), the printing head (09) being arranged pointing towards the central cylinder, and wherein the printing machine (01) has a charging device (03) having at least one charging electrode (04) designed as a DC voltage electrode (04), and wherein the region of the transport path for transporting the printing substrate (02) which is adjacent to the charging electrode (04) is arranged before the printing point (11) defined by the printing head (09), and wherein the central cylinder (07) is earthed, and wherein the printing head (09) is earthed, and wherein the minimum distance (c) between at least one spray opening (12) of the printing head (09) and at least one charging electrode (04) is at least 20 mm.

This invention relates to a mining positioning card and its charging protection method, belonging to the field of mining positioning card charging safety technology. The positioning card includes a charging detection module, a power management module, a battery pack unit, a main controller unit, and other functional units. The charging detection module receives power input from the charger, supplies power to the power management module, and detects the charging current and voltage. Based on the charging status, it outputs a first logic level signal to the power management module. The main controller unit performs protocol matching with the charger and outputs a second logic level signal to the power management module based on the protocol matching result. The power management module combines the first and second logic level signals to determine whether the battery pack unit is charging. This invention can protect the positioning card's mainboard components from damage caused by high voltage and high current, avoid affecting battery performance and lifespan, and ensure the positioning card operates normally, stably, and reliably underground.

The embodiment of the invention discloses a switching method based on physical sign data monitoring of a sofa and a related product, and the method comprises the steps: building wireless connection with a wrist wearable device when the sofa detects that a user sitting on the sofa wears the wrist wearable device; when it is detected that the arm skin of the user is attached to an optical port which is formed in the armrest surface of the sofa and used for monitoring physical sign data, the sofa sends a physical sign data monitoring switching instruction to the wrist type wearable device through wireless connection, so that the wrist type wearable device stops monitoring the physical sign data of the user; the sofa irradiates monitoring light beams to the arm skin through an optical port so as to monitor physical sign data of the user; detecting that the user leaves the sofa, sending the monitored physical sign data of the user to the wrist wearable device, and disconnecting the wireless connection. By implementing the embodiment of the invention, the power consumption of the wrist wearable device can be reduced, the wrist wearable device is prevented from being frequently connected to the sofa charging port for charging, and the intelligent degree of the sofa is improved.

The present invention relates to the field of charging, and specifically to a channel selector and a PDU system. A channel selector, a mobile carrier, a contact finger assembly slidably assembled in the mobile carrier; the contact finger assembly includes a substrate slidably assembled inside the mobile carrier and a contact finger structure formed on the first surface of the substrate, the second surface of the substrate is provided with a pressure piece, the pressure piece acts on the contact finger structure through the substrate to make an electrical connection; a suction piece, the second surface of the substrate is also formed with the suction piece, the action direction of the suction piece is opposite to the action direction of the pressure piece to disconnect the electrical connection of the contact finger structure. The technical problem that each channel selector is configured with a corresponding drive unit in the technology, resulting in a complex structure of the PDU system, is solved.