40 results about "Electrical cell signaling" patented technology

The invention relates to the technical field of electric forklifts and energy storage, and discloses an intelligent battery management system and prediction method based on optical fiber sensing, the system comprises a distributed optical fiber sensing network, a data acquisition and processing module, an intelligent analysis decision module, a battery management control module and a cloud platform interaction module; the method comprises the following steps: collecting a battery signal through a snakelike-spiral optical fiber network, reconstructing a temperature / strain field through noise reduction and filtering, extracting multi-modal features, inputting the multi-modal features into an LSTM model to predict thermal runaway, generating a risk level in combination with an improved equation, dynamically adjusting charging, discharging and heat dissipation strategies, and realizing three-dimensional visual monitoring through a cloud platform. According to the invention, high-precision distributed monitoring of the temperature / strain field of the battery pack is realized through the BOTDR optical fiber sensing network, the LSTM prediction model is constructed by fusing multi-physical field characteristics, and thermal runaway is warned in advance. The improved algorithm reduces the false alarm rate, charging and discharging parameters are dynamically adjusted to prolong the service life of the battery, and a three-dimensional visual platform improves the operation and maintenance efficiency.

The invention relates to the technical field of energy storage battery simulation, and discloses an energy storage battery module simulation method and system based on machine learning. The method comprises the steps of collecting battery signal circuit data of a BMS system in charging and discharging circulation of an energy storage battery pack, extracting voltage fluctuation characteristics and current ripple characteristics of an energy storage high-voltage box, and constructing a multi-dimensional dynamic parameter matrix reflecting the internal state of a battery according to time sequence alignment; carrying out dimensionality reduction compression on the matrix through an encoder of the generative adversarial network to generate a battery state hidden variable; dynamic evolution modeling is carried out on hidden variables by utilizing a time sequence convolutional network, and hidden variable tracks of three charge and discharge cycles in the future are predicted; and performing reverse decoding to generate a simulation battery signal, and outputting a simulation data flow containing voltage, current and temperature parameters. According to the method, the multi-dimensional features and the time sequence modeling capability are fused, accurate simulation of the running state of the energy storage battery module is achieved, and the method is suitable for diversified application scenes.

This invention relates to the field of battery signal acquisition technology, and discloses a battery pack and power supply device, including: a battery, the battery including a casing and terminals disposed on the casing; a busbar electrically connecting the terminals of two batteries; and a signal acquisition component including a first temperature acquisition module and a second temperature acquisition module, the first temperature acquisition module being electrically connected to the busbar and the second temperature acquisition module being electrically connected to the casing. This invention installs the first temperature acquisition module upside down and the second temperature acquisition module recessed to cooperate with the battery casing, thereby acquiring the casing temperature signal and reducing the space occupied in the height direction of the battery. By comparing the detection results of the first and second temperature acquisition modules, the heat generated during the current transmission process between the terminals and the busbar is determined, and thus the overcurrent capacity between the terminals and the busbar is determined to meet the requirements, ensuring the safety and cycle performance of the battery pack.

The battery pack structure comprises a mounting frame, a battery pack, a battery signal acquisition plate and at least two current collecting tabs. The mounting frame is used for being mounted on the inner side of the shell of an energy storage device, and a mounting space is formed between the mounting frame and the shell. The battery pack is arranged in the mounting space. The mounting frame is formed with at least two mounting portions. At least one current collecting tab is arranged on each mounting portion, and each current collecting tab contacts one same-potential electrode portion of the battery pack. The battery signal acquisition plate is mounted on the mounting frame, and the battery signal acquisition plate is in contact with and electrically connected with the at least two current collecting tabs, so that the electrical signals of each single battery can be acquired at one time through the battery signal acquisition plate. Therefore, the use of a wire harness in the energy storage device can be greatly reduced, and the influence of crosstalk interference on the acquisition accuracy of the battery signal acquisition plate is reduced.

The invention discloses a urethra suspension system, device and control terminal.The urethra suspension system comprises the urethra suspension device and the control terminal, the urethra suspension device comprises a micro motor, a micro battery, a signal receiving and transmitting module and a lifting mechanism, and the control terminal comprises a signal transmission module and an energy transmitting antenna. The urethra suspension device further comprises an energy receiving antenna and a conversion circuit, and the energy receiving antenna is connected with the miniature battery through the conversion circuit. The energy transmitting antenna transmits an energy signal to the energy receiving antenna through magnetic resonance; and the conversion circuit transmits the electric energy converted by the energy signal to the micro battery. According to the urethra suspension device, the service cycle can be prolonged, the service life of the device is longer, the urethra suspension device does not need to judge the tightness of the suspender, the post-operation tightness is adjustable and can be periodically adjusted, and all patients have good urine control.

The invention relates to the technical field of storage battery intelligent monitoring, in particular to an engineering vehicle storage battery intelligent monitoring system, which comprises an electric parameter sensor, and further comprises a data acquisition unit, a data processing unit, a storage battery monitoring unit and a storage battery monitoring unit, the self-adaptive vibration suppression unit is used for dynamically adjusting the equivalent stiffness of the electrical parameter sensor mounting structure based on the real-time vibration frequency, so that the inherent frequency of the mounting structure deviates from the real-time vibration frequency; the collaborative noise reduction unit is used for determining the center frequency of signal processing based on the real-time vibration frequency, adjusting the signal processing bandwidth associated with the center frequency based on the real-time driving speed, and using the determined center frequency and the adjusted signal processing bandwidth to reduce the noise of the real-time driving speed. And carrying out noise reduction processing on the signal output by the electrical parameter sensor. The problem of storage battery signal acquisition inaccuracy of the road roller under the vibration and variable speed coupling working condition can be solved, and high-precision monitoring is achieved.

The invention relates to the field of intelligent control, and discloses a mining monorail crane control system and method based on modular integration. The system comprises an operation state matrix generation module, an abnormal feature vector generation module, a driving part vibration spectrum generation module, a diagnostic element generation module, a traction dynamic distribution scheme and multi-union self-healing strategy generation module and a joint control signal generation module, and an operation state matrix is generated through time-space fusion based on monorail crane multi-source heterogeneous data; extracting a matrix abnormal feature vector, and outputting a driving part vibration spectrum through adversarial spectrum reconstruction; carrying out wavelet packet sample entropy decomposition by combining a load and a battery signal to generate a diagnosis element; decoupling a fault unit according to the fault rule base, and forming a traction dynamic distribution scheme and a multi-union self-healing strategy; and a joint control signal is generated and wirelessly transmitted to a main control core of the monorail crane. According to the invention, the problems of cascade paralysis caused by local faults and sudden shutdown caused by early weak fault leak detection of the mining monorail crane under the abnormal condition are solved.

The invention provides an early-stage fault diagnosis and early-warning device and method for a battery system, relates to the technical field of battery fault monitoring and diagnosis, and solves the problem that ultra-early-stage and high-reliability fault diagnosis and early-warning are difficult to realize under the internal core architecture of the battery system in the prior art. The device specifically comprises a shell main device, an external interface panel, a state indication panel and a Bat-Doctor processing unit, the state indication panel is located on the front face of the shell main device, the external interface panel is integrated on the side portion of the shell main device, and the Bat-Doctor processing unit is arranged in the shell main device and electrically connected with the external interface panel and the state indication panel. The shell main device is independently and externally packaged, the external interface panel is linked with the battery system to obtain an external battery signal, the state indication panel feeds back a communication and safety state, and the Bat-Doctor processing unit performs preprocessing, feature fusion and diagnosis reasoning on the external battery signal and outputs a diagnosis result. The method is used for battery fault diagnosis.

The application discloses a battery signal acquisition structure and a manufacturing method thereof, a battery pack and a vehicle, and belongs to the technical field of batteries. The battery signal acquisition structure comprises a flexible circuit main body extending along a first direction, a plurality of acquisition components connected with the flexible circuit main body and extending along a second direction, a plurality of busbars arranged on one side of the flexible circuit main body along the second direction and connected with the acquisition components, and a fixing film. Along a third direction, the flexible circuit main body, the plurality of acquisition components and the plurality of busbars are arranged on the same side of the fixing film and are in thermal pressure connection with the fixing film. The flexible circuit main body comprises at least two circuit layers arranged in a stack along the third direction, and the acquisition component comprises a first connecting portion, an expansion portion and a second connecting portion. The application also discloses a corresponding manufacturing method. The above scheme is beneficial to improving the integration of related components, simplifying the assembly relationship and improving the structural arrangement.

The embodiment of the invention provides a battery signal acquisition system, a battery module and a vehicle, the battery signal acquisition system comprises a plurality of groups of battery cell pole pieces, different battery cell pole pieces are pole pieces of different battery cells in the battery module; and the plurality of flexible circuit boards are in one-to-one correspondence with the plurality of groups of battery cell pole pieces, any group of battery cell pole pieces are welded on a conductive region on the corresponding flexible circuit board, and the plurality of flexible circuit boards are connected with the battery management system. The technical problem that the space utilization rate is low due to the fact that the size of a signal acquisition system is large in the prior art is solved.

The invention belongs to the field of lead-acid battery pack detection, and discloses a lead-acid battery pack signal acquisition system and method.The lead-acid battery pack is composed of a plurality of single batteries, and each battery is provided with a positive electrode, a negative electrode and a row of liquid adding holes; the signal acquisition system comprises a series connection structure used for connecting two adjacent batteries in series, a switching structure used for leading out battery signals, a signal acquisition structure used for acquiring the battery signals and a relay circuit board, and the signal acquisition structure is connected with the relay circuit board in a conducting mode. The circuit is clean and tidy, the material supplementing operation at the liquid adding hole is not affected, the manual wiring cost can be reduced, and meanwhile the production safety performance is improved.

The application relates to the field of electric vehicle battery fault diagnosis methods, in particular to a new energy vehicle battery voltage fault diagnosis method based on operation data, which carries out cleaning treatment on battery signal data to obtain time, charging and discharging data and a voltage matrix; time and the voltage matrix meeting preset conditions are reserved; feature extraction is carried out on the voltage matrix, and a feature matrix D is obtained by calculating each row of data; the feature matrix D is subjected to sliding mean filter processing to obtain a voltage feature extraction matrix; the voltage feature extraction matrix is subjected to sliding calculation, the features of each cell in the window are summed and calculated, and then differential calculation is carried out to obtain a feature value trend change matrix; according to time points, the feature vectors of the voltage feature extraction matrix and the feature value trend change matrix are traversed, whether the feature values meet the conditions is judged, if yes, it is judged as suspected abnormality; if suspected abnormality occurs at the same time in the same cell, it is determined that the final abnormality occurs. The application reduces the false positive rate of fault diagnosis.

The embodiment of the invention provides a BMS hardware-in-the-loop testing system and method, electronic equipment and a storage medium, and relates to the technical field of battery management system testing. The system comprises a simulation machine, an environment simulation cabin, a test bench and a BMS hardware test board, and the simulation machine is used for generating an environment parameter signal and a battery working condition signal and dynamically adjusting test parameters according to a response instruction returned by the BMS hardware test board; the environment simulation cabin is used for adjusting environment parameters of the environment where the BMS hardware test board is located based on the environment parameter signals; and the test bench is used for simulating a battery signal based on the battery working condition signal. According to the method, the coupling effect of the synchronous simulation electric signal and the physical environment is achieved, the test scene can be dynamically optimized according to the real-time response of the BMS, multiple test scenes are covered, the test result is more suitable for the real and complex working conditions of the BMS, and the problem that the BMS performance evaluation by an existing method has deviation compared with the real and complex working conditions is solved.

To provide a signal sampling module for a battery cell which further improves functional stability of a battery pack by stably maintaining an effective insertion relation between a needle type insertion part and an insertion structure even in a case where vibration is generated in the battery pack, and a battery pack.SOLUTION: A signal sampling module comprises a holder 10, a circuit board 11, a plurality of needle type electric connection materials, and a plurality of signal sampling lines 13. The holder has a first side face 101 and a second side face 102 which are opposed in a first direction. A plurality of insertion structures 110 is provided in the circuit board, and the needle type electric connection material includes a first connection part and a needle type insertion part 1220. The needle type insertion parts of the needle type electric connection materials are inserted into the plurality of insertion structures in one-to-one correspondence. The needle type insertion part is electrically connected to a battery management circuit which is loaded on the circuit board, second connection parts of the plurality of signal sampling lines are correspondingly connected to the first connection parts of the plurality of needle type electric connection materials, and a sampling part of the signal sampling line samples a signal of a battery cell.SELECTED DRAWING: Figure 4

The invention relates to the technical field of battery monitoring, and discloses a battery monitoring method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining battery state signals, including voltage, current, temperature and internal resistance, of a power battery, generating a battery signal set based on the battery state signals, performing embedding representation on the battery signal set to obtain spatial embedding representation and time embedding representation, performing spatial feature extraction on the spatial embedding representation to obtain spatial dependency features, and performing time feature extraction according to the spatial dependency features and the time embedding representation to obtain time dependency features; performing feature fusion on the spatial dependency features and the time dependency features to obtain fusion features, and performing battery monitoring based on the fusion features; according to the method, the change of the battery state signal of the power battery in time and space dimensions is comprehensively considered, and the accuracy and reliability of battery monitoring are improved.

The utility model relates to the technical field of battery signal acquisition, in particular to a battery signal acquisition terminal, a CCS assembly with the battery signal acquisition terminal and a battery pack with the battery signal acquisition terminal. The battery signal acquisition terminal comprises a metal sheet, the metal sheet comprises a body part and a bending part extending from the first end part of the body part, and the metal sheet is provided with an opening formed at the joint of the bending part and the body part.

The utility model provides a battery signal sampling device and a battery system, and belongs to the technical field of batteries, the battery sampling device comprises a flexible circuit board, the flexible circuit board comprises a circuit layer and two insulating layers, a main fusing unit and at least one auxiliary fusing unit arranged in parallel are arranged in a circuit of the circuit layer, and the auxiliary fusing unit comprises a bonding pad; the circuit layer is arranged between the two insulating layers, at least one insulating layer comprises a first insulating film and a second insulating film, the second insulating film is arranged opposite to the bonding pad, the first insulating film is connected with the second insulating film, and a micro-connection structure is arranged at the joint of the first insulating film and the second insulating film. The second insulating film opposite to the bonding pad is connected with the first insulating film through the tearing line, the second insulating film corresponding to the bonding pad can be quickly removed under the condition that the main fusing unit in the circuit is fused, the bonding pad is communicated so as to be communicated with the auxiliary fusing unit to repair the sampling loop, the operation is simple and quick, and the working efficiency is improved. And the maintenance cost and the maintenance difficulty are reduced.

The technical scheme adopted by the present application is: a kind of vehicle speed sensor acquisition and diagnosis circuit, comprising: resistance R1, resistance R2, resistance R4, resistance R5, resistance R6, resistance R8, diode, MOS tube and battery;Signal input end is connected to ground through series-connected resistance R1 and resistance R2;The cathode of diode is connected between signal input end and resistance R1, and the anode of diode is electrically connected with the gate electrode of MOS tube through resistance R6;The anode of diode is connected with the drain electrode of MOS tube through resistance R4 and resistance R5;The gate electrode of MOS tube is connected to ground through resistance R8;The source electrode of MOS tube is directly connected to ground;The drain electrode of MOS tube is connected with the positive electrode of battery through resistance R5, and the negative electrode of battery is connected to ground;Sensor signal output end is connected between the drain electrode of MOS tube and resistance R5;Diagnosis signal output end is connected between resistance R1 and resistance R2.The present application can diagnose the fault type of vehicle speed sensor.

The application discloses a test system and a test method. The test system comprises a simulation platform, a battery simulator and a battery management module. The simulation platform is configured to generate at least one set of simulated battery signals, send each set of simulated battery signals to the battery simulator according to a preset timing, and send a trigger signal to a corresponding target battery monitoring unit when each set of simulated battery signals is sent. The target battery monitoring unit is configured to collect a set of actual battery signals output by the battery simulator when the trigger signal is received. Each set of simulated battery signals corresponds to each set of actual battery signals. The battery management module is configured to determine a target test result based on at least one set of actual battery signals collected by the target battery monitoring unit. In this way, the utilization rate of the battery simulator can be improved, and the complexity and construction cost of the test system are reduced.

The application provides a battery system early fault diagnosis and early warning device and method, relates to the technical field of battery fault monitoring and diagnosis, and solves the problem that existing technologies are difficult to realize ultra-early and high-reliable fault diagnosis and early warning under the internal core architecture of a battery system. The device specifically comprises: a shell main device, an external interface panel, a state indication panel, a Bat-Doctor processing unit; the state indication panel is located on the front of the shell main device, the external interface panel is integrated on the side of the shell main device, and the Bat-Doctor processing unit is built-in in the shell main device and is electrically connected with the external interface panel and the state indication panel respectively; the shell main device is an independent external packaging, the external interface panel obtains external battery signals in linkage with the battery system, the state indication panel feeds back communication and safety states, the Bat-Doctor processing unit pre-processes, feature fuses and diagnoses the external battery signals, and outputs diagnosis results. The application is used in battery fault diagnosis.

The present invention provides a signal acquisition harness for a vehicle's power battery. The harness has a reasonable structure and can be stably and reliably installed with a battery pack to avoid damage caused by pulling or vibration due to bulging, thereby ensuring the service life and reliability of the battery signal acquisition harness. The harness comprises a flexible circuit board, an L-shaped through groove is provided on the flexible circuit board to form a cantilever beam area, a connecting piece is provided on the cantilever beam area, the flexible circuit board is connected to a single battery through the connecting piece, and an insulating protective layer is formed on the upper and lower surfaces of the connection between the connecting piece and the cantilever beam area by dispensing glue.

The application relates to the technical field of new energy automobile battery safety management, in particular to a new energy automobile battery monomer short circuit detection system and method, the system collects target battery signals and battery physical and chemical data through a battery data acquisition module, filters, normalizes and extracts features of the target battery signals through a battery signal processing module, dynamically adjusts a short circuit feature self-adaptive threshold according to real-time working condition quantitative values through a monomer short circuit monitoring module, predicts a short circuit development trend and provides an intervention window period through a short circuit trend prediction module, and monitors an electric-power coupling value and dynamically adjusts and regulates a regulation strategy through a risk window regulation module, so that early and accurate detection and graded early warning of battery monomer short circuits are realized, and the accuracy of short circuit detection and the timeliness of graded regulation are improved.

This invention relates to the field of new energy battery technology, and in particular to a battery signal acquisition integrated structure based on a flexible flat cable and its fabrication method. The structure includes a vacuum-formed bracket, a flexible flat cable, multiple acquisition nickel plates, multiple aluminum busbars, and connectors. Each end of the acquisition nickel plate has a locking block and a welding section. The aluminum busbars have locking grooves, and the welding sections have welding holes. The flexible flat cable includes an insulation layer and multiple conductors. Multiple welding windows are formed on the top of the insulation layer, exposing the conductors to form pads. The welding holes are welded to the pads through the welding windows. The surface of the pads has an array of pits formed by laser microtexturing. During reflow soldering, the molten solder can fully fill the pits, enhancing the shear strength and peel resistance of the solder joints, ensuring the long-term electrical insulation performance of the FFC, and reducing contact resistance and its long-term drift risk. The entire fabrication method does not require special equipment such as ultrasonic welding, which is beneficial for high-yield mass production.

Circuitry 504 measures a cell signal at a first of two electrodes of electrochemical cell 100 and outputs a sense signal (e.g. voltage or current), which is filtered by filter (506, fig. 5) and used t

The utility model discloses a visual monitoring device for temperature of a kiln, which relates to the field of monitoring devices and comprises a protective sleeve, a display panel is arranged in the protective sleeve, a data line is fixedly mounted on the display panel, the other end of the data line is connected with a battery, a signal receiver is mounted on the battery, and the signal receiver is connected with the display panel. A first fixing bandage and a second fixing bandage are arranged on the bottom side of the battery and the bottom side of the protective sleeve respectively. According to the utility model, the display panel is fixed on the wrist of a user by using the protective sleeve and the fixing bandage I, so that the maintenance personnel on site can be helped to quickly check the temperature field image of the kiln, abnormal points can be found out, the effect of assisting the maintenance personnel is realized, and meanwhile, the display panel, the battery and the signal receiver are designed in a split manner, so that the maintenance is convenient. And the heavier part is arranged at the arm, so that the equipment is prevented from generating excessive pressure on the wrist of the user, and the practicability of the equipment is ensured.

The present application discloses a battery signal acquisition device and a battery module. The battery signal acquisition device comprises a mounting seat, a BMS, and wire harnesses, and further comprises a pin header assembly. The pin header assembly comprises a pin header base and pin headers. One of the mounting seat and the pin header base is provided with positioning rods, and the other of the mounting seat and the pin header base is provided with positioning holes. The positioning rods are inserted into the positioning holes. A gap is provided between the outer wall of each positioning rod and the inner wall of the corresponding positioning hole. The pin headers are arranged on the pin header base. The pin headers are configured to be simultaneously electrically connected to the BMS and the wire harnesses.

The utility model relates to the field of sports equipment, in particular to an integrated electrocardio skipping rope which comprises a first handle shell and a second handle shell, the end of the first handle shell and the end of the second handle shell are rotationally connected with rope body connecting pieces respectively, the two ends of a rope body are installed on the two rope body connecting pieces respectively, and a signal line is arranged in the rope body. A signal butt joint component is arranged on the rope body connecting piece, a circuit board is arranged in the second handle shell, the counting component is electrically connected with the circuit board, a first electrode is embedded in the outer side wall of the first handle shell and electrically connected with the circuit board through a signal line, and a second electrode is embedded in an outer shell of the second handle shell and electrically connected with the circuit board. The circuit board is electrically connected with a battery and a signal transmission module. According to the rope skipping device, the electrodes are arranged on the handles, and then the two electrodes are connected through the rope, so that the distance between the electrodes is increased, and the heart rate in the rope skipping process can be measured more accurately.

A method for generating an electrochemical impedance spectrum for a battery includes: collecting, in a discharge state of a battery, battery discharge information of the battery periodically according to a preset collection interval, where the battery discharge information includes collection time, and current information and voltage information associated with the collection time; performing Fourier transform according to the collection interval and battery discharge information, to obtain multiple frequency-based first battery signals; determining a second battery signal from the multiple first battery signals, where the second battery signal includes a voltage signal greater than or equal to a preset voltage threshold; and determining an electrochemical impedance at a corresponding frequency according to the second battery signal, and constructing an electrochemical impedance spectrum according to all the electrochemical impedance.

The present application belongs to the technical field of vibration sensor, and relates to a graphene flexible vibration sensing system for curved surface structure of power transmission and transformation equipment, comprising a front-end sensing probe, a shielded radio frequency cable and an integrated processing host. The front-end sensing probe takes PI flexible film as a substrate, adopts permalloy shell and flexible PI aluminum plated film to construct composite shielding rigid-flexible combined packaging; the integrated processing host adopts metal shell, internally suspends and fixes a signal processing circuit board through a copper column, and places a battery at the bottom; the signal processing circuit comprises a Wheatstone bridge, an instrument amplifier, a voltage follower, a high-pass filter, a low-pass filter and a two-stage amplification circuit connected in sequence; the present application realizes self-adaptive and lossless attachment of the sensor on a GIS and other special-shaped curved surfaces, and effectively overcomes strong electromagnetic interference through a composite shielding and isolation buffer high-fidelity conditioning circuit, greatly improving the purity of the detection signal and the system reliability.

An intelligence-promoting crawling pad for infants and children comprises a crawling pad body, the crawling pad body is divided into a main control pad body and a plurality of unit pad bodies, pattern layers are arranged on the top faces of the plurality of unit pad bodies, a main control circuit board and a loudspeaker connected with the main control circuit board are embedded in the main control pad body, and the loudspeaker is connected with the main control circuit board. The main control circuit board is provided with a signal receiving module, the main control circuit board is provided with a power line extending out of the main control pad body, a transmitting circuit board is embedded in the unit pad body where the pattern layer is located, the transmitting circuit board is provided with a battery, a signal transmitting module and a button, and each transmitting circuit board stores sound corresponding to the pattern layer. When the button is pressed down, the signal transmitting module transmits a signal to the signal receiving module, and after the signal receiving module receives the signal, the master control circuit board controls the loudspeaker to make a sound corresponding to the pattern layer, so that a sound cognition function is provided for an infant, and the infant can be guided to learn related knowledge of the pattern layer through the sound cognition function.