9 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.

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.

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 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 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.

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.