53results about How to "Stable battery" patented technology

A battery management system is disclosed for control of individual cells in a battery string. The battery management system includes a charger, a voltmeter, a selection circuit and a microprocessor. Under control of the microprocessor, the selection circuit connects each cell of the battery string to the charger and voltmeter. Information relating to battery performance is recorded and analyzed. The analysis depends upon the conditions under which the battery is operating. By monitoring the battery performance under different conditions, problems with individual cells can be determined and corrected.

Disclosed herein is a microporous polyethylene film for a battery separator and a method of producing the same. The microporous polyethylene film is made from a resin composition. The resin composition comprises 100 parts by weight of a polyethylene composition including 10-50 wt % polyethylene having a weight average molecular weight of from 2×105 to less than 5×105 (component I) and 90-50 wt % diluent (component II), and 0-150 parts by weight of inorganic powder (component III). The film has a puncture strength of 0.20 N / μm or more and a gas permeability (Darcy's permeability constant) of 1×10−5 Darcy or more. The microporous polyethylene film has excellent physical properties, thus improving the performance and stability of a battery.

The invention discloses an intelligent oil-electricity hybrid power system of a communication base station. The intelligent oil-electricity hybrid power system comprises mains supply, hybrid energy, a hybrid energy manager, a DC / DC (direct current / direct current) conversion controller and a storage battery. The hybrid energy comprises a diesel generating set which is a variable-frequency direct-current generating set, wind energy and solar energy. The mains supply and the hybrid energy are connected with an input end of the hybrid energy manager. An output end of the hybrid energy manager is connected with an input end of the DC / DC conversion controller. An output end of the DC / DC conversion controller is connected with a load. The storage battery is connected with the load and the output end of the DC / DC conversion controller. By the intelligent oil-electricity hybrid power system, seamless switching between the variable-frequency direct-current generating set and renewable energy is realized, the renewable energy can be fully utilized while atmospheric pollution can be reduced, and great significance for human environment protection is achieved.

A battery, including a cathode, an anode, an electrolyte; the cathode including a cathode active material capable of reversibly intercalating-deintercalating ions; the anode including an anode current collector that does not participate in the electrochemical reaction; the electrolyte including a solvent capable of dissolving solute, the solute being ionized to at least an active ions that can be reduced to a metallic state during a charge cycle and be oxidized from the metallic state to the dissolved ion state during a discharge cycle and / or an intercalation-deintercalation ions that can deintercalate from the cathode active material during the charge cycle and intercalate into the cathode active material during the discharge cycle; the anode further comprising an anode active material formed on the anode current collector capable of being oxidized and dissolved to active ion state during the discharge cycle.

The invention discloses a hydrogen energy storage solar coal-fired coupling type flexible power generation system and an operation method. The system comprises a coal-fired power generation system anda hydrogen energy storage system, wherein the coal-fired power generation system is coupled with solar thermal power generation through a solar heat collection device, a heat storage medium, a watersupply heat exchanger, a primary water supply regulating valve and a secondary water supply regulating valve; the hydrogen energy storage system comprises a rectifier switch, an electrolytic hydrogenproduction tank, an oxygen storage tank, a hydrogen-oxygen fuel cell, an inverter switch and the like; the water supply flow of heat exchange of the heat storage medium flowing through the solar heatstorage device is regulated through the primary water supply regulating valve and the secondary water supply regulating valve, so that the solar energy is utilized to the maximum extent and the coal consumption is reduced; operation of the electrolytic hydrogen production tank and the hydrogen-oxygen fuel cell is controlled through calculating the power generation power change caused by solar irradiation; the system power generation power fluctuation caused by the solar irradiation change is quickly counteracted; the power transmitted to a power grid is stable; the problem of light abandoningis solved; the quick load change and wide load operation capability of a unit can be greatly improved; and the hydrogen energy storage solar coal-fired coupling flexible power generation system is small in structural transformation degree of an original coal-fired power generator set, small in investment and good in economy.

A battery module includes a plurality of battery cells connected in series, each battery cell having a cathode, an anode, and a separator separating the cathode and the anode, and a bipolar current collector; a plurality of polymer frames, each having a window to receive part of the one of the plurality of battery cells; two of the plurality of polymer frames defining a compartment; and electrolyte filling the compartment for one of the plurality of battery cells. A method is also provided.

The invention relates to a dynamic balance charging control method and control system for a power battery of a double-source trolley bus. The method comprises the steps as follows: the actual electric quantity of the power battery is firstly compared with a set balance point; when the electric quantity of the power battery is smaller than the preset balance point, an SOC of the power battery is relatively small and a charging power of the power battery is relatively high; and when the electric quantity of the battery pack is greater than or equal to the set balance point, the power battery is not charged. According to the method, the electric quantity of the battery pack can be stabilized near the balance point; and over-charge and over-discharge of the power battery are avoided. The performance of the battery at the balance point is the best, so that good performance of the power battery is ensured; and the service lifetime of the battery is prolonged.

The invention relates to a multifunctional LNG power generation boat. A power generation unit comprises gas power generation unit bodies and dual-fuel power generation unit bodies. The gas power generation unit body A is connected with a gas supply pipeline of the gas power generation unit body B. The dual-fuel power generation unit body A is connected with a gas supply pipeline of the duel-fuel power generation unit body B. A distribution board is connected with the gas power generation unit body A, the gas power generation unit body B, the dual-fuel power generation unit body A and the duel-fuel power generation unit body B. An external power supply device, variable-frequency and variable-voltage equipment A, variable-frequency and variable-voltage equipment B, variable-frequency and variable-voltage equipment C and variable-frequency and variable-voltage equipment D are connected with the distribution board. A cable reel is connected with the external power supply device. In the external power supply process, power generation is conducted by combusting LNG, emission of nitric oxide and sulfur oxide is greatly reduced, and environment pollution caused by coastal / inland vessels is effectively relieved; the combustion power generation process is stable, and continuous, stable and sufficient power supply is guaranteed; and LNG cold energy has an air regulation function in the process, and the working environment of an engine room is effectively improved.

The invention provides a nickel-hydrogen battery used in an extremely cold environment. The nickel-hydrogen battery comprises a positive electrode substrate, a negative electrode substrate and an electrolyte. The negative electrode substrate has an additive assembly, which comprises, by weight, 28-50% of A2B7 hydrogen-storage alloy powder, 50-70% of AB5 hydrogen-storage alloy powder, 1-3% of T255ultrafine metal nickel powder, 0.1-0.5% of carbon nanotubes, and 0.3-0.5% of M2O3, which is one or more of Yb2O3, Y2O3, Er2O3, and Tm2O3. The invention further discloses a preparation method of a nickel-hydrogen battery used in an extremely cold environment. The nickel-hydrogen battery is sufficient in discharging capacity at an extremely low temperature, is stable, can be used for a long time, and can be widely used to equipment that works in an extremely cold environment.

The invention relates to a pendulum type wave energy power generation device, which is mainly used for ocean wave energy power generation. The pendulum type wave energy power generation device mainly consists of a push plate 1, slide rods 2, springs 3, pendulum power generation devices 4, a blocking wall 10, floating type flow guide walls 11, round tube slide sleeves 12, wheels B24 and connecting rod groups 25, wherein the floating type flow guide walls 11 gather ocean waves for pushing the push plate 1 to do to-and-fro movement; the to-and-fro movement of the push plate 1 pulls heavy punches 15 of the pendulum power generation devices 4 to ascend through the connecting rod groups 25; potential energy is provided for the pendulum power generation devices 4; the pendulum power generation devices 4 enable rotors 23 to swing to and fro in grooves of stators 21 through escapement wheels 8 and escapement pawls 18; permanent magnetic fields of the rotors 23 sweep coils in the stators 21 to and fro, so that the stable power quantity is given. The pendulum type wave energy power generation device has the advantages that the generated current is stable; complicated control equipment is not needed; the pendulum type wave energy power generation device can be directly connected to grid with state grids.

The invention provides a piece of novel multifunctional detection monitoring underwear comprising an underwear body, a neckline, sleeves, cuffs, a gesture control sensor, a pulse sensor and a control device. The neckline is arranged in the middle of the upper portion of the underwear body; the sleeves are arranged on the two sides of the underwear body; the cuffs are arranged at the lower ends of the sleeves; the gesture control sensor is arranged above one cuff; the pulse sensor is arranged at an upper left position of the front of the underwear body; the control device is arranged at the upper portion of the middle of the rear back side of the underwear body. With the gesture control sensor, the pulse sensor and the control device, the piece of novel multifunctional detection monitoring underwear can sense pulses and accurately monitor the cardio-pulmonary functions, can give alarm through swing of gestures, can accurately locate patients and has higher intelligence degree, so that the use efficiency is increased and the service life is prolonged.

The invention provides a pneumatic type wave energy power generation device which is mainly used for ocean wave energy power generation. According to the pneumatic type wave energy power generation device, large-scale power generation can be achieved, the quantity of generated power is stable, and the power generation device can be directly connected to the national power grid. The pneumatic type wave energy power generation device is mainly composed of a pushing plate 1, a rotating rod 2, a shell 3, a floating box 4, a pushing rod 5, a spring 6, a piston 7, a pneumatic cylinder 8, a pushing chamber 9, an air inlet pipe 10, an air inlet one-way valve 11, a one-way valve 12, an energy storage chamber 13, a constant pressure valve 14, a generator set 15, a generator chamber 16, a deflector 17, a hole A 20 and a hole B 21. The main operating principle of the pneumatic type wave energy power generation device is that sea waves impact the pushing plate 1 to move to the left, the pushing plate 1 pushes the piston 7 to move to the left through the pushing rod 5 so that air in the pneumatic cylinder 8 can be compressed and fed into the energy storage chamber 13, and the compressed air in the energy storage chamber 13 is subjected to equal-pressure releasing through the constant pressure valve 14 to blow a rotor of the generator set 15 to rotate, so that a generator generates power.

It is energy economical, low in cost, high in energy storage, adjustable in output power, and directly linking with urban network. It comprises the water pool for cooling and recovering heat from the fly wheel energy storage sub systems, with several energy storage system's permanent DC generator power sum big or equal to the required recovery or reproduction demanded power for the traction of vehicles, and they use overlap mode to directly connect with the urban DC network, air pressure inside the shell equal or lower than 10-4Pa and the limit rotation speed higher than 150000 rpm of the fly wheel, with the bearing using magnetic bearing.

According to some embodiments, a remote supervisory control system includes an electric generator configured to operate based on a driving value applied from a server, and the server configured to apply a representative driving value for an driving of the electric generator to the electric generator, receive a driving feedback signal applied from the electric generator according to the representative driving value, determine whether or not the representative driving value is normal, and update the representative driving value with a second priority driving value according to the determination result.

The invention discloses a green wind-energy agricultural greenhouse which structurally comprises a greenhouse device, a greenhouse body, a wind energy device, a fan blade, a rotating shaft, a wind-driven generator, a wind-energy storage battery and a steam generator, wherein the fan blade is arranged on the wind-energy device, the rotating shaft is arranged behind the fan blade, the wind-driven generator is arranged under the rotating shaft, the fan blade is in rotary connection with the wind-driven generator through the rotating shaft, the wind-energy storage battery is arranged on the lateral side of the wind-driven generator, the steam generator is arranged behind the wind-energy storage battery, and the steam generator is fixedly connected with the wind-driven generator through the wind-energy storage battery. According to the green wind-energy agricultural greenhouse disclosed by the invention, a solar cell panel can be arranged to be matched with the wind-energy device to improveenergy source diversity; a solar storage battery and the wind-energy storage battery are in serial connection, so that energy stability is improved; by means of arranging a steam divergence plate with divergence holes, a steam divergence efficiency is improved; the green wind-energy agricultural greenhouse has the advantages of simple structure and easiness in being achieved.

The invention discloses a solar-driven noiseless stirring apparatus, comprising a double-layer stirring housing having water stored in its interlayer, a drive motor and a reducing gear arranged at the top of the stirring housing, a coupling arranged inside the stirring housing, a stirring shaft arranged inside the stirring housing, stirring blades mounted on the stirring shaft, a support frame arranged at the top of the stirring housing, a solar panel mounted at the top of the support frame, a solar controller and a solar battery mounted on the support frame, and a solar heater mounted at the top of the stirring housing; the solar heater comprises a spherical vacuum glass hood, a heating ball, a sunlight reflecting arc sheet and a heat-conducting plug; the stirring housing is provided with a water incoming pipe, a water outgoing pipe, rollers and a push handle; a silencing device is arranged on the stirring housing and the drive motor and comprises two light-weight metal plates and silencing sponge. The problems are solved that the prior art wastes energy, temperature is unable to be adjusted during stirring, carrying is inconvenient and the noise is high are solved.

The invention discloses a simple harmonic potential energy voltage stabilization power generation device. The simple harmonic potential energy voltage stabilization power generation device comprises a shell, a spinning top, a transmission system and a power generator, wherein the spinning top is hung in the shell through a spinning top supporting shaft located at the upper end of the spinning top and can swing in a reciprocating mode, a spinning top N-pole permanent-magnet strong magnetic block and a spinning top S-pole permanent-magnet strong magnetic block are arranged on the two sides of the spinning top in the swinging direction correspondingly, fixing permanent-magnet strong magnets are arranged in the shell relative to the spinning top N-pole permanent-magnet strong magnetic block and the spinning top S-pole permanent-magnet strong magnetic block correspondingly, the fixing permanent-magnet strong magnets, the spinning top N-pole permanent-magnet strong magnetic block and the spinning top S-pole permanent-magnet strong magnetic block are arranged in a manner that the same magnetic poles are opposite, wind beam nozzles are arranged on the fixing permanent strong magnetic blocks correspondingly, and the transmission system can transmit power formed by swinging of the spinning top to the power generator. According to the simple harmonic potential energy voltage stabilization power generation device, damping vibration of the spinning top is converted into simple harmonic motion, the simple harmonic motion of the spinning top forms stable potential energy, then the stable potential energy is converted into stable mechanical kinetic energy, and then a generator set is driven to generate the power.

The invention discloses an automatic voltage stabilizing power source device which comprises a normally-open switch, a third contactor, a time delay, first and second contactors, a voltage reduction rectification device, a storage battery pack and a voltage detector. The normally-open switch is connected with a first electrode of an alternating current power source, one end of a coil of the third contactor is connected with the other end of the normally-open switch, the other end of the third contactor is connected with a second electrode of the alternating current power source, and a first normally-open switch of the third contactor is connected with a starting normally-open switch in parallel. A coil of the time relay is connected between the normally-open switch and the alternating current power source. One ends of coils of the first and second contactors are sequentially connected with an auxiliary switch of the time relay, a third normally-open switch of the third contactor and the alternating current power source in series, and the other ends of the coils of the first and second contactors are connected with the alternating current power source. The voltage reduction rectification device is connected with the alternating current power source through a first normally-open switch of the first contactor. The storage battery pack is connected with the voltage reduction rectification device through a second normally-open switch of the second contactor. The voltage detector is connected with the storage battery pack. The auxiliary switch of the voltage detector is connected with an auxiliary switch of the time relay in parallel. The power supply quantity of the automatic voltage stabilizing power source device is stable.

The invention discloses an electric car with a self-power-generation function. The electric car with the self-power-generation function comprises a frame, wheels, handlebars and a power device, wherein the power device comprises power-generation hubs, an electric energy processing module and a battery module; the power-generation hubs are arranged on the front wheel and / or the rear wheel of the electric car, both the electric energy processing module and the battery module are arranged in the frame of the electric car, the power-generation hubs are connected with the battery module through theelectric energy processing module, and the electric energy processing module comprises a bridge rectifier unit, a filter unit and an intelligent current identification unit which are sequentially connected; the intelligent current identification unit is connected with the battery module, the battery module comprises a battery management unit and a storage battery which are sequentially connected,and the storage battery is connected with an electric car battery through a power line. According to the electric car with the self-power-generation function, power is generated through rotation of the wheels and used by a display instrument and the electric car battery, so that the flameout phenomenon caused by power shortage of the electric car is prevented, safe running of the electric car isguaranteed, the structure is simple, use is convenient, and the electric car with the self-power-generation function is safe and reliable.

The invention relates to an electric power recycling system, comprising a multi-pressurizing generator arranged in a rim, wherein the multi-pressurizing generator is connected with a rectification voltage regulator, the rectification voltage regulator is connected with a super capacitor, the super capacitor can quickly collect electricity generated by the multi-pressurizing generator, and an electricity use ratio is higher; when electric power is insufficient, an automatic inductive transducer can directly drive a motor driver, disconnection from a frequency conversion charger can be realized, the super capacitor is connected with the automatic inductive transducer, the automatic inductive transducer is connected with the frequency conversion charger and the motor driver respectively, the frequency conversion charger is connected with a storage battery, the storage battery is connected with the automatic inductive transducer, and the other end of the motor driver is connected with a power motor. The travelling distance of an electrocar is prolonged, and the characteristics of being energy-saving and environment-friendly, prolonging the travelling distance, lowering cost, further increasing the electricity use ratio and the like are achieved.

The invention provides a pneumatic type wave energy power generation device which is mainly used for ocean wave energy power generation. According to the pneumatic type wave energy power generation device, large-scale power generation can be achieved, the quantity of generated power is stable, and the power generation device can be directly connected to the national power grid. The pneumatic type wave energy power generation device is mainly composed of a pushing plate 1, a rotating rod 2, a shell 3, a floating box 4, a pushing rod 5, a spring 6, a piston 7, a pneumatic cylinder 8, a pushing chamber 9, an air inlet pipe 10, an air inlet one-way valve 11, a one-way valve 12, an energy storage chamber 13, a constant pressure valve 14, a generator set 15, a generator chamber 16, a deflector 17, a hole A 20 and a hole B 21. The main operating principle of the pneumatic type wave energy power generation device is that sea waves impact the pushing plate 1 to move to the left, the pushing plate 1 pushes the piston 7 to move to the left through the pushing rod 5 so that air in the pneumatic cylinder 8 can be compressed and fed into the energy storage chamber 13, and the compressed air in the energy storage chamber 13 is subjected to equal-pressure releasing through the constant pressure valve 14 to blow a rotor of the generator set 15 to rotate, so that a generator generates power.

The invention discloses positive electricity colored carbon powder for electronic photographing. The colored carbon powder is composed of the following components, by weight parts, 70-96.5 parts of resin, 1-10 parts of pigment, 0.5-10 parts of positive charge control agent, 2-10 parts of release agent and 0.2-10 parts of external additive. The invention also discloses a preparation method for the positive electricity colored carbon powder. According to the carbon powder, the quality is stable and reliable and the electrification stability is relatively high. According to an image obtained by employing the carbon powder, the density is stable and anomalies such as serious bottom ash and powder falling will not occur.

The invention relates to a logistics information tracking apparatus. The logistics information tracking apparatus comprises a central processing unit; the central processing unit uploads data to a workstation; the central processing unit receives information uploaded by a database and performs analysis processing; the database is connected with a signal receiver through the internet; the signal receiver receives data uploaded by multiple remote monitoring ends; the remote monitoring ends receive locating information transmitted by a locating system and a camera unit through a signal transmitter; the locating system is connected with a signal enhancer, an anti-jamming apparatus and an alarm apparatus matched with the locating system; the alarm apparatus is connected with a limiting system;the camera unit is connected with a wireless camera and a scanner; and the wireless camera and the scanner are connected with a wireless charge module. The logistics information tracking apparatus issimple in structure and high in accuracy; the signal stability is ensured; the security and the working efficiency are improved; the logistics loss is avoided due to real-time locating; quick wirelesscharge is realized; the service life is prolonged; the labor force is reduced; and the cost is reduced.

The invention discloses a hydrogen energy storage solar coal-fired coupling type flexible power generation system and an operation method. The system comprises a coal-fired power generation system anda hydrogen energy storage system, wherein the coal-fired power generation system is coupled with solar thermal power generation through a solar heat collection device, a heat storage medium, a watersupply heat exchanger, a primary water supply regulating valve and a secondary water supply regulating valve; the hydrogen energy storage system comprises a rectifier switch, an electrolytic hydrogenproduction tank, an oxygen storage tank, a hydrogen-oxygen fuel cell, an inverter switch and the like; the water supply flow of heat exchange of the heat storage medium flowing through the solar heatstorage device is regulated through the primary water supply regulating valve and the secondary water supply regulating valve, so that the solar energy is utilized to the maximum extent and the coal consumption is reduced; operation of the electrolytic hydrogen production tank and the hydrogen-oxygen fuel cell is controlled through calculating the power generation power change caused by solar irradiation; the system power generation power fluctuation caused by the solar irradiation change is quickly counteracted; the power transmitted to a power grid is stable; the problem of light abandoningis solved; the quick load change and wide load operation capability of a unit can be greatly improved; and the hydrogen energy storage solar coal-fired coupling flexible power generation system is small in structural transformation degree of an original coal-fired power generator set, small in investment and good in economy.

The invention discloses a lithium battery soft pack fixing method and device. The method comprises the following steps that 1, according to the lithium battery soft pack size, two front end fixing blocks are moved along a front block sliding groove; the gap of the two front end fixing blocks is regulated; 2, a lateral end fixing block rotates around a front block hinge sleeve; the lateral end fixing block outwards slides along a lateral block sliding groove, so that the lateral end fixing block is opened; a back end fixing block outwards slides along a back block sliding groove; 3, a lithium battery soft pack is put on a rolling shaft; under the rotation of the rolling shaft, the lithium battery soft pack passes through a position between the two side end fixing blocks; one side of the lithium battery soft pack is abutted against the inner side of the two front end fixing blocks; 4, the two side end fixing blocks inwards slide along the lateral block sliding groove; the two sides of the lithium battery soft pack are clamped; the back end fixing block moves towards the front end fixing block along the back block sliding groove; the back end fixing block is abutted against the bottomside of the lithium battery soft pack. The lithium battery soft pack fixing method and device have the advantages of wide applicability, battery firmness and operation safety.