37results about How to "Increase usage capacity" patented technology

The invention relates to a device for managing battery packs by measuring and monitoring the operating capacity of individual battery modules in a battery pack. A programmable logic controller directs the selective closing of relays to allow individual battery modules to be load-tested using a variable discharge load unit, without compromising useful battery pack capacity. A battery module whose useful capacity falls below a predefined threshold may be connected to a battery charger for replenishment and then electrically realigned with the remaining modules in the pack for continued operation. Alternatively, an alarm may be triggered which alerts the user that the module is due for replacement. This sequence of events is performed on all cells in the pack at a predetermined interval.

A packet transmitting method of wireless network is provided. The packet transmitting method determines whether the packet to be transmitted is a real-time packet or not, and, when the packet is a real-time packet, a re-transmission mechanism of the packet is determined to be ON or OFF according to the transmission status of the wireless network itself.

The invention relates to an intelligent balance device of power batteries of an electric vehicle. A sampling module is connected with a battery pack and is used for acquiring information such as voltage, temperature and the like of each single battery in the battery pack; an intelligent control module judges whether the charge state of each single battery is in a specified balance range when the battery pack is charged or discharged according to a sampling value of the sampling module; a control drive module is used for charging a low-voltage single battery or discharging a high-voltage single battery; a drive module is used for isolating and amplifying control signals output by the intelligent control module; and a balance module realizes energy exchange between the battery pack and the single batteries, and each single battery corresponds to one balance unit. The intelligent balance device provided by the invention can be used for carrying out active lossless balance on the power battery pack of the electric vehicle, has the advantages of large balance current, high efficiency and little loss, and can effectively and rapidly ensure that the battery pack with the single batteriesof unbalance states reaches a batter balance state, thus the actual use capacity of the whole battery pack is increased, and the service life of the battery pack is prolonged.

The invention discloses a flash memory bad block shielding method based on a section, comprising the following steps: scanning each physical block of a flash memory to obtain the corresponding section state of each physical page in each physical block; determining the section mode of the physical block, wherein the section mode represents the distribution situation and the number of practical effective sections; dividing the physical blocks with the same section mode in the same group; obtaining the virtual block number, the physical page number and the page virtual section offset of the grouping by the offset; according to the virtual block number of the grouping and a physical block numbering table, obtaining the physical block number accessed by an application layer; and according to the page virtual section offset and section mode of the physical block number, obtaining a page physical section offset corresponding to the page virtual section offset. The invention maps the physical layer existing in a bad section into a continuous linear storage medium so as to furthest expand the effective volume of the storage medium.

The invention relates to an electric cleaning brush comprising a casing used as a handle, a motor arranged at the front end of the casing, a brush head driven by a motor and a power supply, wherein the brush head consists of bristles and a brush head seat; the brush head seat is arranged on an output shaft of the motor; and the bristles are outward and divergently distributed along the circumferential direction of the brush head seat. The bristles are outward and divergently distributed on the periphery of the brush head seat, the end parts of the bristles are positioned on the same circumferential surface, a gap is reserved between adjacent bristles on the circumferential direction, the bristles are easy to extend into the gap between lattice bars and are difficult to lock, thereby being convenient to clean latticed articles. Therefore, the brush head moves along the neck direction of the circumferential surface formed by the bristles and is close to the lattice bars of the latticed articles when driven by the motor to rotate and the bristles brush past from the lattice bars, thereby cleaning dirt on the latticed bars.

The invention discloses an intelligent power equalization type electric vehicle. The intelligent power equalization type electric vehicle comprises: a vehicle body on which at least one power supply ports are arranged; two groups of power supply batteries which are fixed on the vehicle body and electrically connected to the power supply ports, wherein each group of power supply batteries is composed of a plurality of rechargeable battery units, a first multiple-winding transformer is arranged between every two battery units, each battery unit is provided with a first bilateral switch on the line connected to the first multiple-winding transformer, a second multiple-winding transformer is arranged between the two groups of power supply batteries, and each group of power supply batteries is provided with a second bilateral switch on the line connected to the second multiple-winding transformer; a starting switch which is arranged on the vehicle body for starting the at least two groups of power supply batteries to supply power to the vehicle body at the same time; and a controller. According to the invention, the bilateral switches are controlled by the controller to make the energy between the batteries transferred through the multiple-winding transformers so as to realize intelligent power equalization.

The aromatics production system is useful for producing an aromatics-rich system product from a liquid hydrocarbon condensate includes a hydroprocessing reactor, an aromatization reactor system and a hydrogen extraction unit. The method for producing the aromatics-rich system product from the wide boiling range condensate includes introducing the wide boiling range condensate into the hydroprocessing reactor, operating the aromatics production system such that the hydroproces sing reactor forms a naphtha boiling temperature range liquid product, such that the aromatization reactor system forms the aromatics-rich system product, and such that the hydrogen extraction unit forms a high-purity hydrogen.

An electrochemical battery cell having a negative electrode, such as a negative electrode, including lithium, that is provided with a fuel gauge or end of life indicator capable of generating a voltage step preferably indicating that the cell is close to the end of its life and should be replaced, wherein the voltage step is detectable by a device associated with the cell. Additional capacity is added to the cell by utilizing a current collector comprising a consumable electrochemically active material having a lower potential than the electrochemically active material of the associated electrode, such as lithium, and a discharge voltage above a predetermined cut-off voltage.

The invention relates to a lithium ion battery adopting a ternary composite cathode material and a preparation method thereof and belongs to the field of lithium ion secondary batteries. The cathode material of the ternary composite cathode material lithium ion battery is prepared from a titanium oxide used as a titanium source, a titanium salt or a titanium simple substance, a lithium salt used as a lithium source, starch used as a hard carbon precursor and expanded graphite and comprises the following components in parts by weight: 50-98 parts of hard carbon, 1.5-45 parts of lithium titanate and 0.5-5.0 parts of expanded graphite. The lithium ion battery adopting the composite cathode material provided by the invention has the advantages of high specific capacity, high primary efficiency, excellent magnification performance and low-temperature performance, low irreversible capacity, good safety and long cycle life, and can fulfill the requirements of novel lithium ion battery pairs.

A high-efficient novel discharging hopper includes a hopper with support bars on both sides of the hopper. Each support bar is abutted against the top of the hopper; a plug component is arranged under the support bar; a slot is formed in the hopper and on the inner side of the same; a discharge platform is disposed in the hopper; the lower part of the hopper is provided with a discharge port; a locking device is arranged on the discharging port; and the locking device is located on the outside of the discharge port. With the discharge platform disposed in the hopper, rapid accumulation of materials in the hopper can be prevented and blocking to the discharge port can be avoided; inconvenient material discharging can be prevented; the installation of buffer components enables materials to quickly slide into the discharge port; the slot disposed in the hopper can be easily connected and fix a side plate to prevent the material from overflowing from the hopper; and hopper use capacity is enlarged, and use cost of the hopper can be reduced.

The electronic ice bag includes a heat preservation bag and a refrigeration bag, and a partition wall with a hole is arranged between the two, and a metal plate and a plastic frame are arranged on it; the semiconductor refrigeration assembly is installed in the plastic frame, which includes a metal plate The semiconductor refrigeration sheet and the heat sink installed thereon; the control assembly includes a control panel installed on the outer surface of the refrigeration bag, which is provided with an air inlet and an air outlet, and a cooling fan installed inside the air outlet; on the control panel There is also a start switch and a power supply working indicator light and a power socket. The advantages of electronic ice packs are: large capacity, light weight, low cost and easy to carry.

The invention belongs to the technical field of battery management. A lithium battery capacity enhanced equalization maintenance method comprises the following steps: obtaining basic acquisition physical quantities of a lithium battery, and calculating to obtain SOC and SOH; calculating and outputting a basic equalization strategy and an enhanced equalization strategy through the SOC and the SOH; balancing according to the serial number information of the balancing batteries in S2 and S3, and starting or stopping according to the set balancing time and the balancing cut-off condition; or balancing is stopped according to the output protection information; temperature and voltage balance protection and charge and discharge balance overprotection are carried out, and the balance operation is stopped when the balance protection is triggered. According to the method, the voltage and the calculation result are combined for joint participation, capacity equalization is used more accurately for enhancement, the battery equalization effect is better achieved, the battery consistency is better, and recovery is faster.

The invention discloses a mobile refrigeration house refrigerating unit which comprises an evaporation cavity, a condensation cavity, a compressor, an electrical part, a connecting pipeline and a three-way valve, an exhaust pipeline of the compressor is connected with the three-way valve, the evaporation cavity is located on the upper side of the unit, and the condensation cavity is located on the lower side of the unit. The all-external integrated design is adopted, the evaporator is directly installed outside the refrigeration house, only the air supply outlet and the air return inlet of the evaporation cavity are formed in the refrigeration house, the maximum distance between the air supply outlet and the refrigeration house is 19.5 cm, the refrigeration house space occupied by a refrigeration house unit is greatly reduced, and therefore the use capacity of the refrigeration house is increased; rapid and accurate positioning can be carried out by arranging a Beidou + GPS positioning system, remote monitoring operation can be carried out through a mobile phone terminal and a computer terminal, and a temperature controller and an Internet of Things module are used for controlling an air conditioning system, so that the functions of fresh-keeping/freezing dual-mode automatic control, refrigeration/heating automatic control and full-state digital display can be achieved.

The invention provides a calculation method for reducing the capacity loss rate in the energy storage scene. The capacity loss rate can be effectively reduced by replacing the battery and reassembling the battery, and the overall battery use capacity is improved. According to the method, after the number of replaced new batteries and the number of replaced battery modules are determined, the maximum capacity to be improved can be rapidly calculated, and an optimal solution is provided, including which battery modules need to be replaced by the new battery modules, which battery modules need to be subjected to position replacement, and the capacity consistency of different battery packs is improved.