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43 results about "Electrical cell signaling" patented technology

Emergency shutoff valve

A valve control system comprises a programmable electronic controller. The programmable electronic controller is configured to provide an emergency actuation signal to a motor upon receiving an emergency close signal. The programmable electronic controller is configured to provide a test actuation signal to the motor upon receiving a test close signal. The valve control system further comprises a gas detection input configured to receive a gas detection signal. Receipt of the gas detection signal at least partially meeting a first criterion causes the emergency close signal to be supplied to the controller. The valve control system further comprises a user interface configured to provide the controller with the test close signal in response to a user input. The valve control system further comprises a low battery input configured to receive a low battery signal. Receipt of the low battery signal causes the emergency close signal to be supplied to the controller.
Owner:HALOGEN VALVE SYST

Battery backup system with sleep mode

The present invention concerns an apparatus comprising a charger circuit and a control circuit. The charger circuit may be configured to generate a first power down control signal and a second power down control signal in response to (i) a first charge signal, (ii) a second charge signal, (iii) a supply voltage, and (iv) a host control signal. The control circuit may be configured to generate the first charge signal and the second charge signal in response to a first battery signal and a second battery signal. The control circuit may enter a power down state in response to the host control signal initiating the power down state.
Owner:AVAGO TECH INT SALES PTE LTD

Underground gas cut intelligent control system

The invention relates to the field of underground gas cut monitoring and control, in particular to an underground gas cut intelligent control system which comprises a control assembly microcomputer, acontrol assembly storage battery, a signal receiver, a bypass electromagnetic valve, a signal projector, a monitoring assembly storage battery, a monitoring assembly microcomputer, a rotational viscometer, an electrical resistivity measuring positive electrode, an electrical resistivity measuring negative electrode, a packer and the like, wherein the control assembly microcomputer, the control assembly storage battery, the signal receiver, the signal projector, the monitoring assembly storage battery and the monitoring assembly microcomputer are mounted in mounting holes of a well drilling shaft bottom pipe column; the rotational viscometer, the electrical resistivity measuring positive electrode, the electrical resistivity measuring negative electrode and the packer are mounted in a dedicated mounting space of the outer wall of the well drilling shaft bottom pipe column; variation of viscosity and electrical resistivity of the drilling fluid are detected to judge whether the gas cutoccurs or not; the packer is utilized to temporarily seal and separate gas cut drilling fluid; and the bypass electromagnetic valve is utilized to reach communication between the well drilling shaft bottom pipe column and the annular space to conveniently replace the drilling fluid so as to avoid the blowout accident.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Charging method, charging device and intelligent terminal

The invention discloses a charging device. The charging device comprises a wireless connection module used for searching a WIFI signal and being connected with WIFI, a communication module used for receiving a cell signal emitted by the intelligent terminal, a processing module used for setting charging parameters of the charging device according to the cell signal emitted by the intelligent terminal, and a control module used for supplying power for the intelligent terminal according to the charging parameters, wherein the cell signal comprises a present cell voltage, a cell current and a cell temperature. According to the charging device, charging efficiency can be improved, in combination with the voltage and the current of a cell, damage to the intelligent terminal caused by overhigh temperature during charging can be avoided, cell protection is facilitated, service life of the cell is prolonged, charging safety is further facilitated, and better use experience of a user is realized.
Owner:SHENZHEN ZHIHUISHIFANG TECH

Method for identifying abnormal self-discharge of battery cell of power battery based on operation data

The invention relates to the technical field of fault diagnosis, and discloses a power battery cell abnormal self-discharge identification method based on operation data, and the method comprises the following steps: 1, carrying out the analysis to obtain basic battery signal data; 2, cleaning the basic battery signal data to obtain standard battery signal data; step 3, selecting charging state data from the standard battery signal data; 4, performing feature extraction on the voltage data of each battery cell in the charging state data according to an extraction strategy to obtain a battery cell feature value; step 5, performing anomaly detection; 6, according to the real-time anomaly detection result, whether sudden self-discharge anomaly exists in the battery cell or not is judged; and according to a long-period anomaly detection result, judging whether continuous self-discharge anomaly exists in the battery cell or not. According to the method, the abnormal self-discharge condition of the battery cell can be identified in time, the identification accuracy and the high efficiency of fault identification and judgment are ensured, the self-discharge abnormal fault is positioned to the battery cell level, and the identification precision is high.
Owner:CHINA AUTOMOTIVE ENG RES INST

Battery signal acquisition wire harness with bending structure and bending process thereof

The invention provides a battery signal acquisition wire harness with a bending structure. The battery signal acquisition wire harness is simple in structure. A battery bump can be prevented from pulling the battery signal acquisition wire harness or the battery signal acquisition wire harness can be prevented from being damaged by the vibration of a battery module operating in a bad working condition for a long time, thereby ensuring the service life of the battery signal acquisition wire harness. The battery signal acquisition wire harness includes a circuit board which is a flexible circuitboard. A plurality of connecting pieces are arranged on the circuit board at intervals. The circuit board is connected to a battery individual through the connecting pieces. The circuit board is provided with a temperature sensor, and the circuit board is connected with a connector. The battery signal acquisition wire harness is characterized in that bending portions are arranged on the circuit board at intervals along a width direction of the circuit board. In addition, the present invention also provides a bending process of the battery signal acquisition wire harness with the bending structure.
Owner:AKM ELECTRONICS TECH SUZHOU

System and method for vehicle battery management, storage medium, and server system

The present application relates to a system and method for vehicle battery management, a storage medium, and a server system. The system for vehicle battery management includes: a communications subsystem configured to receive battery signal data in a distributed message queue; a metadata management subsystem configured to store battery information; and a distributed processing subsystem configured to parse the battery signal data based on the battery information, to obtain parsed data and alarm data. In this way, centralized battery management can be implemented, thereby overcoming disadvantages in terms of alarms / warnings generated by the batteries themselves.
Owner:NIO TECH ANHUI CO LTD

Power battery system connection abnormity fault safety early warning method

The invention relates to the technical field of fault diagnosis, and discloses a power battery system connection abnormity fault safety early warning method comprising the following steps: 1, analyzing to obtain original battery signal data; 2, cleaning the original battery signal data to obtain primary battery signal data; 3, target voltage data are selected and obtained; 4, performing feature extraction on the target voltage data by adopting a difference quadratic sum method to obtain a difference cumulative matrix; step 5, calculating to obtain a mean difference matrix; 6, traversing column vectors of the mean difference matrix to obtain an upper limit of an abnormal threshold value of each battery cell; and 7, traversing the feature vectors of the battery cells in the mean difference matrix, and determining whether a connection abnormal fault exists or not. According to the method, the battery connection abnormal fault can be accurately identified, the fault false alarm rate can be effectively reduced, the fault can be quickly locked at the beginning of the fault, and the fault judgment efficiency is relatively high.
Owner:CHINA AUTOMOTIVE ENG RES INST

Techniques for Managing Wireless Transmission Energy Budget

ActiveUS20170273025A1Efficient wireless transmissionPower managementHigh level techniquesPower modeEnergy budget
Techniques are disclosed relating to wireless transmission energy budgets. In some embodiments, an apparatus is configured to determine wireless transmission energy budget for a plurality of time periods. In some embodiments, the apparatus determines budget differently depending on whether it is in a thermal mode or a peak power mode. In some embodiments, the apparatus blanks scheduled wireless transmissions that intersect with the battery signal. In some embodiments, for a time interval subsequent to assertion of the battery signal, the apparatus operates in the peak power mode and determines energy budget for periods based on an amount of energy used for wireless transmissions in a most recent period in which transmissions were blanked in response to the battery signal. In some embodiments, in the thermal mode, the energy budget is based on thermal information for the apparatus, but may also allow carryover of unused budget from previous periods.
Owner:APPLE INC

BMS function safety control system and method

PendingCN111755763AEnhance security protectionReduce the risk of execution errorsBatteries circuit arrangementsCells structural combinationElectrical cell signalingControl system
The invention provides a BMS function safety control system and control method. The BMS function safety control system comprises a signal acquisition module for acquiring a battery signal, a main processor which is connected to the signal acquisition module and judges whether a battery module breaks down or not according to the battery signal, a power supply control module connected to the main processor, a hardware safety logic module connected to the power supply control module and the signal acquisition module, and a driving module connected to the main processor and the hardware safety logic module. When the battery module does not have a fault, the main processor generates a driving maintenance instruction to the driving module; when the battery module breaks down, the main processorgenerates a safe operation entering instruction to the power supply control module, and then the power supply control module generates a first hardware safety instruction to the hardware safety logicmodule, so that the hardware safety logic module controls the driving module to stop driving and turn off a corresponding power supply. According to the invention, the safety protection of the BMS system is enhanced, and the risk of execution errors is reduced.
Owner:SHANGHAI JINMAI ELECTRONICS TECH

Flexible sensor system based on cloud computing platform

The invention belongs to the technical field of sensors, and particularly relates to a flexible sensor system based on a cloud computing platform. The system comprises a flexible substrate, a temperature sensor, a humidity sensor, a pressure sensor, an optical sensor, an acoustic sensor, a solar thin film cell, a signal processor and a wireless communicator. Various sensors are thin film sensors; the various thin film sensors, the solar cell, the signal processor and the wireless communicator are integrated on the flexible substrate in a pasting or printing mode and are connected through the interconnection lines. The advantages that the flexible substrate is portable, flexible and high in fitting performance are utilized, thin film sensors with different functions are integrated, and the thin film solar cell with the self-power-supply characteristic is utilized, so that the capacity of automatically collecting, obtaining and processing big data in different fields such as human body detection and environment monitoring is achieved.
Owner:有云信息科技(苏州)有限公司

Battery state-of-charge balance control system of medium-voltage direct-hanging type energy storage system

The invention provides a battery state-of-charge balance control system of a medium-voltage direct-hanging type energy storage system. The control system comprises a battery management unit, a voltageacquisition unit, a current acquisition unit, a battery state-of-charge acquisition unit, an in-phase control unit, an inter-phase control unit, a driving unit and an energy storage inverter, and thecontrol system performs analysis and calculation according to the acquired battery signals and performs in-phase and inter-phase control on the energy storage system, so that the energy storage inverter completes electric energy conversion, and balance control on the state of charge of the battery of the energy storage system is realized. According to the invention, the battery state-of-charge balance control of the energy storage system can be finished and the working quality and the service life of a battery of the energy storage system is ensured.
Owner:JIANGSU ELECTRIC POWER CO +1

Charging system and charging management method for aged battery

The invention belongs to the technical field of batteries, and provides a charging system for an aged battery, which comprises a sampling circuit, a loop switch, a voltameter and a microprocessor. Wherein the sampling circuit collects a battery signal during the charging of an aged battery pack; the loop switch is connected with the positive end of the aged battery pack; the output end of the voltameter outputs a circulation signal generated by the voltameter according to the battery signal to control the on-off state of the loop switch; and the microprocessor is connected with the output end of the voltameter, receives and processes the circulation signal, and controls the charging of the aged battery pack. Therefore, according to the circulation signal of the battery, the aging degree of the battery can be reflected, the charging of the battery can be dynamically adjusted, the overhigh battery voltage is avoided, and the potential safety hazard of the battery is greatly reduced. Meanwhile, charging adjustment is carried out on the battery based on the circulation signal of the battery, the voltage of the charger does not need to be adjusted, and therefore the requirement for intelligentization of the charger is lowered, and charging benefit maximization is achieved.
Owner:SHENZHEN AUTEL INTELLIGENT AVIATION TECH CO LTD

Liquid-deficiency alarm of infusion apparatus

A liquid-deficiency alarm of an infusion apparatus is characterized by comprising an infusion apparatus observing pipe 1, a floating ball 2, magnets 3, a reed pipe 4, a battery 5, a signal processor 6, a loudspeaker 7 and an indicator light 8, wherein the magnets 3 are mounted in the floating ball 2 and put in the infusion apparatus observing pipe 1, the reed pipe 4 is mounted at the outer lower part of the infusion apparatus observing pipe 1, two external connection wires of the reed pipe 4 are connected in series with the battery 5 and the signal processor 6, and an output end of the signal processor 6 is connected with the loudspeaker 7 and the indicator light 8. In the infusion process, a liquid is arranged in the infusion apparatus observing pipe, the floating ball is always located at the upper part of the infusion apparatus observing pipe under the buoyancy of the liquid, when the reed pipe of the alarm of the infusion apparatus doesn't detect a magnetic field emitted by the magnets, the reed pipe is in a normally open state, and the alarm doesn't work; when an infusion bottle contains no liquid, the floating ball moves downwards with reduction of the liquid in the observing pipe; when the floating ball moves to the bottom of the observing pipe, the reed pipe is in a closed state under the action of the magnetic field, at the moment, a circuit is formed in the alarm, the alarm gives an alarm, and the indicator light gives out light to remind a nurse or an accompanying person of replacing the infusion bottle for a patient.
Owner:杜胜

Ad-hoc network battery monitoring micro unit

The invention discloses an ad-hoc network battery monitoring micro unit which comprises a digital micro processing module, a power module, a battery signal collection module, a signal receiving module and a signal sending module, wherein the power module, the battery signal collection module, the signal receiving module and the signal sending module are connected with the digital micro processing module; and the battery signal collection module is connected with the power module. According to the micro unit, independent sampling is carried out on each battery in serial connection with a battery pack, signals are gradually downloaded according to changes of voltage of the batteries, and the micro unit achieves data processing and storage for various battery states locally and responds to control and command signals transmitted by a control unit through a data link.
Owner:HEFEI CHUANGYUAN VEHICLE CONTROL TECH

Battery electrochemical impedance spectrum generation method and system, automobile and medium

The invention discloses a battery electrochemical impedance spectroscopy generation method and system, an automobile and a medium. According to the method, when a battery is in a discharging state, battery discharging information of the battery is collected regularly according to a preset collection period, and the battery discharging information comprises collection time and current information and voltage information associated with the collection time; performing Fourier transform according to the acquisition period and the battery discharge information to obtain a plurality of first battery signals based on frequency; determining a second battery signal from the plurality of first battery signals; the second battery signal comprises a voltage signal greater than or equal to a preset voltage threshold; and determining the electrochemical impedance of the corresponding frequency according to the second battery signal, and constructing an electrochemical impedance spectrum according to all the electrochemical impedance. According to the invention, the electrochemical impedance corresponding to different frequencies can be constructed in a short time without external equipment, and the constructed electrochemical impedance spectrum has high accuracy.
Owner:BYD CO LTD

Wireless earphone and charging method of wireless earphone

The embodiment of the invention relates to the technical field of charging control, and discloses a wireless headset which comprises a signal collection antenna, a signal sharing switch, a first RF-DC conversion module, a Bluetooth module and a battery, the signal collection antenna is connected with the signal sharing switch, the first RF-DC conversion module and the Bluetooth module are both connected with the signal sharing switch, and the signal sharing switch is connected with the Bluetooth module. The first RF-DC conversion module and the Bluetooth module are also connected with the battery at the same time, the signal sharing switch is used for realizing parallel transmission of the first radio frequency signal and the Bluetooth signal, and the first RF-DC conversion module is used for converting the first radio frequency signal transmitted by the signal sharing switch into direct current. The invention also discloses a charging method of the wireless earphone. By using the wireless earphone and the charging method of the wireless earphone provided by the invention, the wireless earphone can communicate when being charged, and the wireless earphone is charged through the first radio frequency signal transmitted by the terminal, so that the endurance of the wireless earphone is prolonged, and the user experience is improved.
Owner:上海勤宽科技有限公司

Battery impedance tester and measuring method

The invention discloses a battery impedance tester and an internal resistance measuring method thereof. The battery impedance tester comprises an excitation signal generation module, a V-I conversion module, a signal conditioning module, an orthogonal decomposition module and a signal acquisition module. The excitation signal generation module is connected with the V-I conversion module and the orthogonal decomposition module, the V-I conversion module is further connected with the signal conditioning module and the battery to be tested, the signal conditioning module is further connected with the battery to be tested, and the signal conditioning module, the orthogonal decomposition module and the signal acquisition module are further connected in sequence. And the excitation signal generation module and the signal acquisition module are also connected with an external main control board. The battery impedance tester only integrates the excitation signal generation module, the V-I conversion module, the signal conditioning module, the orthogonal decomposition module and the signal acquisition module in an embedded manner, and does not comprise other control devices. The battery impedance testing device is low in cost, low in power consumption and small in size.
Owner:广州思林杰科技股份有限公司

Electric vehicle power line communication system and electric vehicle system

The invention relates to the technical field of electric vehicle communication and particularly discloses an electric vehicle power line communication system. The system comprises a battery signal synthesis and separation circuit, a central control signal synthesis and separation circuit and a controller signal synthesis and separation circuit, wherein the central control signal synthesis and separation circuit and the controller signal synthesis and separation circuit are electrically connected with the battery signal synthesis and separation circuit through a power bus, the battery signal synthesis and separation circuit is arranged on a battery unit, the central control signal synthesis and separation circuit is arranged on a central control unit, and the controller signal synthesis andseparation circuit is arranged on a controller unit. The system is advantaged in that the electric vehicle assembly line system is simplified, and cost is saved.
Owner:WUXI TAICHEUNG ELECTRONICS TECH

Intelligent lithium ion battery monomer and module thereof

The invention discloses an intelligent lithium ion battery monomer and a module thereof. A power supply positive port and a power supply negative port of a battery signal control module are respectively connected with a positive tab and a negative tab of a battery cell; a plurality of signal input ports of the battery signal control module are respectively connected with a voltage sensor, a current sensor, a temperature sensor and a pressure sensor; a positive pole lug and a negative pole lug of the battery cell are respectively connected with a positive pole connecting wire and a negative pole connecting wire of which the tail ends penetrate through the assembly space ring; the top ends of the positive pole connecting wire and the negative pole connecting wire sequentially penetrate through an insulating sheet and a cover plate which are arranged at the top of the assembly space ring; and the communication input end and the communication output end of the battery signal control module are respectively connected with a cable, and the cables sequentially penetrate through the assembly space ring, the insulation sheet and the wire passing hole in the cover plate to be connected with the communication interface. According to the invention, the test efficiency and quality of the battery are improved, and a basis is provided for more reasonably exerting the maximum performance of the battery.
Owner:江苏易美新思新能源科技有限公司

Wireless safety inspection system based on coal mine track electric locomotive power supply device

The invention belongs to the technical field of coal mine track electric locomotive safety monitoring and relates to a wireless safety inspection system based on a coal mine track electric locomotivepower supply device. The system comprises a storage battery, a temperature detection module, a voltage detection module, a current detection module, a positioning module, a processor module, a data storage module, a wireless communication system and a monitoring terminal; the storage battery is in signal connection with the temperature detection module, the voltage detection module, the current detection module and the positioning module; According to the system of the invention, real-time on-line monitoring can be carried out on overcharge, overdischarge, short circuit, battery box overtemperature and other states of a single storage battery in the coal mine track electric locomotive power supply device, a single battery fault can be efficiently and accurately discovered, and early warning of the fault is realized, so that a battery pack is protected to the greatest extent, the service life of each battery is prolonged, and the cycle life of each battery is prolonged. More importantly, potential safety hazards of the power supply device are further eliminated, and meanwhile, data receiving accuracy is ensured through parallel work of multiple wireless communication modes.
Owner:成都奥瑞克新能源科技有限公司

Triangular warning sign capable of self-sensing distress and use method of triangular warning sign

The invention relates to a triangular warning sign capable of self-sensing distress and a use method of the triangular warning sign. The warning sign comprises reflecting strips, a cloud server, a data processing module and a base, wherein a cavity is formed in the base, the bottom reflecting strip is fixed on the upper surface of the base, a single chip microcomputer, a storage battery, a GNSS signal receiving module, a mobile communication module and a voice induction module are fixedly arranged in the cavity, a USB charging module, a lighting set switch, a high beam switch and a high beam are arranged on the outer wall of the base, the GNSS signal receiving module is used for acquiring real-time position information of the triangular warning sign, the GNSS signal receiving module is inone-way communication with the cloud server through the single chip microcomputer and the mobile communication module, the input end of the GNSS signal receiving module is connected with an external satellite positioning module, the cloud server is in two-way communication with the data processing module and a rescue platform, and a monitoring distress information authenticity judging program is loaded in the cloud server. The warning sign can self-sense for calling for help and reduce the probability of personal and property loss caused by unexpected accidents.
Owner:HEBEI UNIV OF TECH

Battery replacement control method and system, electronic equipment and storage medium

The invention discloses a battery replacement control method and system, electronic equipment and a storage medium. The battery replacing control method is achieved through cooperation of a vehicle clamping channel and a battery replacing device, the vehicle clamping channel is provided with a liftable vehicle carrying platform, the battery replacing device is provided with a liftable battery replacing platform, and the battery replacing control method comprises the steps that the height of the vehicle carrying platform and the height of the battery replacing platform are controlled according to a battery replacing signal so as to disassemble and assemble a battery on an electric vehicle, the method specifically comprises the steps that when the battery changing signal is a battery disassembling signal, the battery changing platform is controlled to reach the battery disassembling operation height and / or the vehicle carrying platform is controlled to reach the battery disassembling matching height; and the battery dismounting matching height is lower than the initial height of the vehicle carrying platform before lifting. The height of the vehicle carrying plane is changed by controlling the vehicle clamping lane and the battery replacing equipment and matching with the battery replacing progress, so that the height of the bottom of the vehicle is changed, the overall process of disassembling and assembling the battery is achieved, the battery replacing time of the vehicle is saved, and the battery replacing efficiency is improved.
Owner:AULTON NEW ENERGY AUTOMOTIVE TECHNOLOGY GROUP

Distributed centralized intelligent power supply management system

The invention discloses a distributed centralized intelligent power supply management system. The system comprises a power supply output end, a power supply input end and a power supply management end; the power supply output end comprises a power supply output interface, a power supply output end bus and a power supply output management unit; the power supply input end comprises a power supply input interface, a power supply input end bus and a power supply input management unit; and the power supply management terminal comprises a power supply management IC, a wireless communication IC, a memory RAM, a peripheral circuit PCB, a battery signal collector AD and a communication antenna AC. The invention belongs to the technical field of power supply management and automatic control, and particularly relates to a distributed centralized intelligent power supply management system capable of realizing remote control and automatic control.
Owner:昆山遥矽微电子科技有限公司

Charging method, charging device and intelligent terminal

The invention discloses a charging device. The charging device comprises a wireless connection module used for searching a WIFI signal and being connected with WIFI, a communication module used for receiving a cell signal emitted by the intelligent terminal, a processing module used for setting charging parameters of the charging device according to the cell signal emitted by the intelligent terminal, and a control module used for supplying power for the intelligent terminal according to the charging parameters, wherein the cell signal comprises a present cell voltage and a cell temperature. According to the charging device, charging efficiency can be improved, in combination with the voltage and the temperature of the cell, damage to the intelligent terminal caused by overhigh temperature during charging can be avoided, cell protection is facilitated, service life of the cell is prolonged, charging safety is further facilitated, and better use experience of a user is realized.
Owner:SHENZHEN ZHIHUISHIFANG TECH

Body temperature monitoring system with disposable armpit patch

The invention discloses a body temperature monitoring system with a disposable armpit patch, which comprises a data collector, a signal transponder and a monitoring terminal. The data collector comprises an armpit patch body, a first circuit board, a temperature sensor, a signal sending module and a first battery; the signal transponder comprises a second circuit board, a first signal receiving module, a first processor, a communication module, a first power supply management module, a second battery and a first shell, and the first processor comprises an AD conversion module and a DSP signal processing module. Compared with the system, the thermometer is provided with the data collector, the data collector is attached to the armpit of a patient through the disposable armpit patch for temperature collection, then the monitoring terminal visually displays the body temperature change of all the patients in a unified mode, real-time monitoring and early warning of the body temperature are achieved, a large amount of manpower is saved, environmental pollution cannot be caused, and the data collector is clean, sanitary and convenient to use.
Owner:叶成刚
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