20 results about "Lithium polymer cell" patented technology

This invention relates to a magnetic compression stocking for the treatment of the widespread varicose vein, characterized in that it comprises a copper wire (2) positioned inside the stocking from the ankle to below the kneecap and wound along the stocking axis of the compression stocking (1) made of double-layered bamboo fabric and around the stocking, a battery holder (4) which holds the lithium polymer batteries in position, arranged in the form of a clamp and located inside the stocking at the ankle, and a housing (3) which includes a mobile application circuit with an inverter which converts the direct current generated by the batteries in the battery holder (4) into alternating current, and a Wi-Fi module.

The invention relates to a specimen liquid extractor with a quantification function, and belongs to the technical field of medical instruments, the specimen liquid extractor comprises a main control module, a suction device, an anti-reflux protection device, a human-computer interaction interface and an extractor shell, the main control module comprises an MCU core controller, a lithium polymer battery and a miniature camera, and the lithium polymer battery supplies power to the MCU core controller and the micro camera. According to the sample liquid extractor, the problem that a traditional sample liquid extractor possibly loses efficacy due to the fact that liquid viscosity is too high or contains impurities when quantitative operation is conducted through a flow sensor is solved, image recognition is not affected by liquid physical characteristics by directly observing the liquid level height, and a better quantitative function is achieved; through image recognition, a probe or other quantitative sensors do not need to be inserted into liquid, the risk of cross contamination can be effectively avoided while automatic quantification is achieved, rapid quantitative and accurate extraction of the sample liquid can be effectively achieved, the risk of contamination in an operation is reduced, and the sterile requirement of an operating room is met.

This utility model relates to electrical engineering, specifically to autonomous power sources based on lithium-polymer (Li-Po) cells. It can be used in portable electronic devices, power tools, robotic systems, unmanned aerial vehicles, and other equipment requiring a stable, high-capacity DC power source. The technical result of this utility model is increased mechanical strength and operational safety.A lithium-polymer High Voltage battery for portable use comprises a housing made of heat-shrinkable tube, in which batteries are placed, fixed together with polypropylene adhesive tape to form a battery pack, the terminals of which are connected to a printed circuit board, to which a balancing and power cable are connected, while adhesive tape is glued to the current-carrying parts of the printed circuit board, followed by the application of gaskets made of ethylene vinyl acetate and electrical cardboard, which are fixed with reinforced adhesive tape, and the battery pack consists of lithium-polymer batteries with a capacity of 4300-4500 mAh and a voltage of 22.8 V. 1 fig.

The utility model belongs to the technical field of lithium polymer battery packs, and particularly relates to an integrated lithium polymer battery pack which comprises a plurality of battery holders spliced in sequence, a battery body is clamped and mounted on each battery holder, a positive pole connecting column and a negative pole connecting column are arranged on the same side of two ends of each battery holder, and the positive pole connecting column and the negative pole connecting column are used for electric connection. A positive electrode connecting hole and a negative electrode connecting hole which are used for plugging are formed in one side, deviating from the positive electrode connecting column and the negative electrode connecting column, of each battery holder, and movable contacts which are electrically connected with the positive electrode connecting column and the negative electrode connecting column are arranged in the positive electrode connecting holes and the negative electrode connecting holes; according to the utility model, the plurality of battery holders which can be spliced are additionally arranged, so that when the battery bodies are connected in series, the battery bodies can be prevented from being damaged by connecting the plurality of battery holders in series, the service life of the battery bodies is prolonged, and meanwhile, the maintenance cost of the battery pack is reduced.

Disclosed is a li-polymer battery, which includes a housing, a li-polymer core arranged within the housing, a positive terminal disposed at a top end of the li-polymer core, and a negative terminal disposed at the top end of the li-polymer core and on a side of the positive terminal, wherein the li-polymer battery further includes a PCB assembly encapsulated within the housing and arranged above the li-polymer core, the PCB assembly includes a PCB board holder and a PCB board disposed on the PCB board holder, the PCB board has a positive connection portion and a negative connection portion which are capable of passing through the PCB board holder for electrically contacting the positive terminal and the positive terminal of the li-polymer core, and wherein the PCB board is provided with a charging / discharging interface, and the housing has an opening for accessing the charging / discharging interface.

The invention provides a vehicle-mounted multi-source self-power-generation power supply system and a multi-source power supply method thereof. Comprising the steps that S1, a micro piezoelectric power generation module is arranged in a micro vehicle chassis or a vehicle body; s2, micro wind power generation units are installed at the vehicle air inlet grille and the streamline position of the vehicle roof; s3, setting a dual-mode intelligent power supply management system, wherein the dual-mode intelligent power supply management system comprises a super-capacitor energy storage module and a lithium polymer battery pack; s4, adopting a voltage detection circuit to monitor the voltage states of the super capacitor energy storage module and the lithium polymer battery pack in real time; s5, a light energy collecting film is arranged in the micro space in the vehicle and attached to the inner side of a vehicle window or the surface of an instrument panel, and a lighting source in the vehicle is converted into supplementary electric energy; the system has the advantages that efficient cooperative power supply of multiple devices in a micro space is achieved, and the use convenience and the energy utilization efficiency of the electronic devices in the vehicle are remarkably improved.

EEG cap for recording electrical brain activity, comprising: a) a textile basic structure, b) a plurality of defined electrode positions, c) a central sensor module with amplifier, analog-digital converter and wireless data transmission unit, d) a mechanically and electrically contactable connection system between electrodes and module, e) an integrated energy supply using a lithium polymer cell.

The invention discloses an intelligent high-pressure physical sign monitoring bracelet, and relates to the technical field of intelligent bracelets, the intelligent high-pressure physical sign monitoring bracelet comprises a high-pressure protection shell, a pressure-resistant sealing rear cover and an antibacterial wrist strap, and a lithium polymer battery, a multi-parameter vital sign monitoring unit, a dynamic pressure and environment sensing module and the like are integrated on the pressure-resistant sealing rear cover; the photoelectric volume pulse wave sensor is packaged in a high-pressure sealing mode, the non-invasive SpO detection module is covered with a high-pressure-resistant optical filter, the six-axis movement posture catcher monitors the action state, the fingertip pulse pressure sensing node is internally provided with a high-pressure calibration unit, the body surface temperature compensation sensor eliminates temperature measurement interference, and the palmar blood pressure monitoring probe cooperates with the radial artery pressure tracker. Data are transmitted to the biological signal processor through the high-voltage anti-interference isolation layer, the multi-mode alarm lamp is linked with the tactile feedback actuator, the wide area network communication module guarantees transmission, the power supply management and control system optimizes endurance, and the high-voltage operation monitoring system is suitable for high-voltage operation, monitors physical signs and environmental parameters in real time and guarantees safety.

A jump-start device for vehicle batteries, powered by a removable and rechargeable battery pack, such as a battery pack used with various handheld power tools. The battery pack is detachably connected to the vehicle battery jump-start device and can be selectively used to charge a power booster module within the device. The power booster module may contain, for example, a variety of supercapacitors or lithium-polymer battery cells. The power booster module, in combination with the battery pack, is used to jump-start a vehicle battery. The vehicle battery jump-start device includes a charge control circuit configured to manage the charging of the power booster module based on battery information received from the battery pack.

The invention relates to the technical field of intelligent power management, in particular to a multifunctional hanging rope type power management system based on an intelligent scheduling algorithm, which comprises a U-shaped titanium alloy frame, a two-way charging and discharging unit, a lithium polymer battery and a built-in TIBQ25895 main control chip, and is characterized in that the main control chip dynamically generates a strategy through a multi-target optimization model (charging time / loss / efficiency ternary target); the charging habit of a user is predicted in combination with an equipment feature library (more than or equal to 200 kinds of parameters, cloud updating) and an LSTM neural network, an intelligent protocol identification circuit (supporting PD3.1 / QC4 +) is arranged in a Type-C output line, a 0.1-0.5 A low-current mode is automatically started for equipment less than or equal to 500mAh, the system realizes quintuple protection through a sampling resistor and a thermistor, a touch control screen displays the electric quantity, the current and the battery health degree in real time, and the charging habit of the user is predicted through the LSTM neural network. The charging and discharging efficiency of the device is greater than or equal to 85%, and the problems of short endurance, low charging efficiency and poor compatibility of wearable equipment are solved.

The application belongs to the technical field of lithium ion batteries, and particularly relates to a lithium iron phosphate polymer battery and a preparation method thereof. The battery comprises a positive electrode sheet, a diaphragm coated with an electrolyte and a metal lithium negative electrode sheet which are sequentially stacked. The positive electrode is porous carbon-coated lithium iron phosphate, and the electrolyte comprises lithium tetrafluoroaluminate and polyethylene oxide. The battery uses lithium tetrafluoroaluminate and polyethylene oxide as the electrolyte. Lithium tetrafluoroaluminate continuously reacts with metal lithium and gradually forms in-situ grown Al-Li alloy by lithiation, so as to inhibit lithium deposition and lithium dendrite formation. Meanwhile, a stable SEI film is formed in the reaction process, so as to reduce lithium dendrite formation and improve energy density. The porous carbon-coated lithium iron phosphate is used as the positive electrode. The carbon coating can improve the conductivity of the lithium iron phosphate and reduce the internal resistance of the system, so as to enhance the energy density. The porous structure of the carbon can increase the reaction channel of lithium ions and enhance the energy density.

The utility model relates to the technical field of polymer battery cell protection, in particular to a polymer battery cell with a reinforcing structure, which comprises a battery cell and a protective shell arranged on the outer side of the battery cell, the protective heat dissipation mechanism is used for protecting the battery cell and assisting the heat dissipation of the battery cell at the same time, and is arranged on the outer side of the protective shell; wherein the protective heat dissipation mechanism comprises a fixing groove formed in the top of the protective shell, a heat dissipation assembly is arranged on the outer side of the protective shell, and a protective assembly is further arranged on the surface of the protective shell; the battery cell is specifically a lithium polymer battery, when the battery cell is used, the outer side of the battery cell can be subjected to reinforced protection through the protective shell, the heat dissipation assembly can accelerate the heat dissipation speed of the battery cell in the working process while protecting the battery cell, the working temperature of the battery cell is effectively reduced, and the service life of the battery cell is prolonged. The protection assembly enhances the protection effect of the protection shell and reduces the collision damage of the protection shell.

The invention discloses a breathing machine pipeline condensate water collecting device. The device comprises a water collecting cavity, wherein the water collecting cavity is provided with an air inlet, an air outlet and a bottom liquid outlet; the sensing module is embedded in the side wall or the bottom of the water collecting cavity, and the sensing module comprises a pH sensing unit, a conductivity sensing unit and a turbidity sensing unit; the signal processing unit is electrically connected with the pH sensing unit, the conductivity sensing unit and the turbidity sensing unit through flexible circuit boards; the wireless communication module is electrically connected with the signal processing unit; the power management module comprises a thin film lithium polymer battery and a thermoelectric power generation piece, the thermoelectric power generation piece is attached to the outer wall of the water collection cavity, and the output end of the thin film lithium polymer battery is electrically connected with the signal processing unit, the wireless communication module and the sensing module. The technical problems that in the prior art, a breathing machine pipeline condensate water collecting device is single in function and poor in infection early warning and system integration are solved.

The utility model discloses a six-string different-port lithium battery protection circuit, which comprises a protection chip U1, a lithium battery is formed by connecting six battery cells in series, a positive electrode B + and a negative electrode B-of the lithium battery are respectively connected with a positive electrode charging end P + and a negative electrode charging end P-, and a charge-discharge MOS tube Q3 and a charge-discharge MOS tube Q2 are respectively connected between the negative electrode charging end P-and the negative electrode B-of the lithium battery; the protection chip U1 collects the voltage of each cell of the lithium battery, and is connected with and controls the on-off of the charging and discharging MOS tubes Q3 and Q2. And the protection chip U1 adopts a lithium ion battery or a lithium polymer battery protection chip CW1074ALBS. A CO port of the protection chip CW1074ALBS is connected with and controls the on-off of the charging MOS tube Q3 through a triode Q1; the emitter of the triode Q1 is connected with a CO port, the base of the triode Q1 is grounded through a resistor R17, and the collector of the triode Q1 is connected with the grid of the charging MOS tube Q3 through a diode D1; and the DO port of the protection chip CW1074ALBS is connected with the discharge MOS tube Q2. The over-charge protection circuit provides over-charge, over-discharge and charge-discharge over-temperature protection for the battery pack, and is simple in structure and low in cost.

The utility model discloses a No.5 rechargeable battery, which relates to the field of batteries and comprises a 1.5 V battery protection plate, a USB (universal serial bus) interface is fixedly mounted on the top side of the 1.5 V battery protection plate, an insulation protection plate is sleeved on the USB interface, a lithium polymer battery cell is arranged on the bottom side of the 1.5 V battery protection plate, a negative electrode contact and a positive electrode contact are fixedly mounted at two ends of the lithium polymer battery cell respectively, and the negative electrode contact and the positive electrode contact are connected with the insulation protection plate. A positive electrode connecting wire and a negative electrode connecting piece are fixedly mounted on the bottom side of the 1.5 V battery protection plate, the negative electrode connecting piece is connected with the negative electrode contact, and the positive electrode connecting wire is connected with the positive electrode contact. The battery has the advantages of being stable in voltage, wide in application, safe, fast in charging, free of heating, durable, fast in charging, strong in power, convenient to charge through a lithium polymer cell and a USB, safe, environmentally friendly, light in weight, long in service life and capable of being charged through constant voltage in the whole process of 1.5 V.

The invention relates to the technical field of power equipment maintenance, and discloses a transformer substation operation insulator remote control handheld powerful snow blowing and removing device which comprises a direct-current brushless ducted motor and a conical snow blowing air duct, and a detachable connecting interface used for being connected with an insulating rod is formed in the bottom of the device; the temperature control ice melting module comprises a temperature controller and a heating wire with a ceramic insulating layer, and the heating wire is arranged on the inner wall of the conical snow blowing air duct; the real-time monitoring module comprises a camera and a wireless communication unit; the remote control module comprises a remote control handle with a display screen and operation keys; the power supply module comprises a lithium polymer battery and a matched power management circuit; the main control module is electrically connected with the snow blowing execution module, the temperature control ice melting module, the real-time monitoring module, the remote control module and the power supply module and used for receiving control signals and sensor data and executing integrated control logic to coordinate work of all the modules, and the snow removing efficiency and safety are improved.

The invention discloses a low-power-consumption infrared VOCs gas leakage detector which comprises a detector module, a self-adaptive refrigeration system, an intelligent power management module and a lightweight bearing structure. The detector module adopts a class-II superlattice infrared detector, and is integrated with a temperature sensor and a low-noise signal amplifier; the self-adaptive refrigerating system comprises a miniature Stirling cryocooler, a split type efficient heat dissipation assembly and a dynamic temperature control unit. A PID algorithm and a PWM control module are arranged in the dynamic temperature control unit. The intelligent power management module comprises a lithium polymer battery, a low-power-consumption charging and discharging IC and a self-adaptive discharging strategy module. According to the low-power-consumption infrared VOCs gas leakage detector disclosed by the invention, low power consumption is realized from three dimensions of detector energy consumption source control, refrigerating system dynamic regulation and control and power supply efficient management through multi-module collaborative optimization, and meanwhile, the detection sensitivity and portability are ensured.

The invention provides an analysis test method and device for a lithium polymer battery, and relates to the technical field of lithium polymer batteries, and the method comprises the steps: carrying out the working condition extraction and parameter analysis of the application scene information of a target lithium polymer battery; according to the battery working condition test parameter table, placing the target lithium polymer battery on a tool test platform for working condition simulation test, and monitoring to obtain a battery multi-dimensional data stream; extracting environment features and discharge features in parallel; introducing an attention mechanism to carry out weighted fusion, and determining a discharge performance-environment interactive fusion feature set; and constructing a battery performance analyzer, evaluating and analyzing the discharge performance-environment interactive fusion feature set, and generating a lithium polymer battery test analysis result. According to the method and the device, the technical problem that the test precision is insufficient due to the fact that the complexity of an application scene is not fully considered in a test method in the prior art is solved, and the precision and the efficiency of battery analysis test are improved by simulating a real dynamic working condition.

This utility model discloses a protection circuit for two lithium batteries, including a battery protection chip SC5550ABBE. The positive and negative terminals B+ and B- of the two lithium batteries are connected for charging via positive and negative charging terminals P+ and P-, respectively. A charge / discharge MOSFET is connected in series on the negative charging line. The battery protection chip SC5550ABBE is connected to collect the voltage of two cells from the two lithium batteries in each string and controls the on / off state of the charge / discharge MOSFET. This utility model's two-string lithium battery protection circuit uses the highly integrated lithium-ion or lithium polymer battery protection chip SC5550ABBE. This chip provides overcharge, over-discharge, overcurrent, open circuit, and overtemperature protection for the battery pack, as well as equalization functions, and supports cascading. By using this protection chip, the safety and reliability of lithium batteries can be effectively improved, and the battery life can be extended.

The utility model provides an electric motorcycle battery with a temperature control function, which relates to the technical field of energy storage power supplies and comprises a metal shell, a battery pack, a vapor chamber, a BMS (battery management system) module and a temperature control module. The battery pack consists of a plurality of mutually stacked soft package lithium polymer battery cells and is arranged in the metal shell. The vapor chamber is thermally coupled with the battery pack. The temperature control module comprises a semiconductor chilling plate, a bidirectional TEC driving controller, an independent power supply, a temperature sensor and a TEC charging interface. And one side of the semiconductor chilling plate is thermally coupled with the vapor chamber, and the other side is thermally coupled with the metal shell to realize bidirectional temperature regulation. The bidirectional TEC driving controller communicates with the BMS module, and controls the current direction and magnitude of the semiconductor chilling plate according to the battery pack temperature monitored by the temperature sensor, so that the battery temperature is adjusted to a suitable working temperature within a short time after the battery pack starts to work; and the problems generated when the lithium ion battery works in an extreme temperature environment are effectively solved.