2087results about "Current conducting connections" patented technology

The invention provides a battery device, an energy storage device and a power utilization device. The battery device comprises a single battery and an electric control assembly electrically connected with the single battery, the electric control assembly comprises a circuit board, a shell and a covering structure, and a connector socket is arranged on the circuit board; a containing cavity is formed in the shell, the circuit board is installed in the containing cavity, and an opening for the connector socket to stretch out is formed in the shell. The covering structure is arranged on the shell and surrounds the connector socket, and the covering structure at least partially covers a gap between the connector socket and the side wall of the opening. By arranging the covering structure, installing the covering structure on the shell, supporting the covering structure through the shell, arranging the covering structure around the connector socket and enabling the covering structure to at least partially cover the gap between the connector socket and the side wall of the opening, the connector socket can be protected according to the protection grade requirement. And the gap between the connector socket and the side wall of the opening is shielded, reduced or closed, so that the electric control assembly meets the required protection grade requirement.

A wiring module is to be attached to a battery cell stacked body in which a plurality of battery cells having an electrode terminal and being elongated in a front-rear direction are arranged in a horizontal direction, and is electrically connected to the battery cells, the wiring module including: a bus bar that is connected to the electrode lead; an FPC that is connected to the bus bar and extends in the front-rear direction; and a protector that holds the bus bar and the FPC, wherein the FPC includes: a plurality of extension parts that extend in the front-rear direction; an intersection part that extends in the horizontal direction; and a bending part, the extension parts are respectively coupled to two end portions of the intersection part in the horizontal direction, one of the extension parts includes the bending part in the vicinity of the intersection part.

An external connection bus bar to be connected to a storage element group having a plurality of storage elements and having an output electrode terminal for outputting electric power to an external circuit includes a main body portion to be connected to the output electrode terminal, an external connection terminal to be connected to an external circuit, and a circuit board connection portion to be soldered to a bus bar land provided on the circuit board. The external connection terminal is provided between the main body portion and the circuit board connection portion.

The embodiment of the utility model provides a pressing assembly and an assembling system, and the pressing assembly comprises a stop block structure which is provided with a limiting groove matched with an electrode piece; the pressing block structure is connected with the stop block structure, and at least one end of the pressing block structure is provided with a sheet pressing piece corresponding to the limiting groove; wherein the pressing block structure is located at the first position, the stop block structure is located in the ammeter battery box, the sheet pressing piece abuts against the electrode piece, the pressing block structure moves towards the ammeter battery box to the second position, and part of the electrode piece is located in the installation groove. According to the technical scheme of the utility model, the stop block structure and the pressing block structure are utilized to realize the limiting and stable installation of the electrode piece, so that the whole assembly process is more reliable.

The invention discloses a cylindrical battery, a battery pack and electric equipment, the cylindrical battery comprises a battery shell and a battery cell arranged in the battery shell, the battery shell comprises a peripheral shell part and end face shell parts, at least one end face shell part is an electric connection output end, and the end face shell parts are arranged in the peripheral shell part. The thickness of the area where the end face shell part serving as the electric connection output end is electrically connected with the battery cell is a mm, and the area of the end face shell part is s square mm; the battery cell comprises a positive plate with a positive electrode material, the powder conductivity of the positive electrode material is b Siemens per millimeter, and the value range of b / (a * s) is 7.4 e <-14 >-7.5 e <-4 >. The value range of b / (a * s) is controlled within the range of 7.4 e <-14 >-7.5 e <-4 >, it can be guaranteed that the battery has the capacity of charging and discharging in a short time, and it can also be guaranteed that when the heat production amount is increased due to large-current charging and discharging, the safety risk when the battery is used is reduced.

A battery cell includes an electrode assembly including a cell body and an electrode tab provided to at least one side of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead coupled to the electrode tab and extending from the cell case, and a tab protection module accommodated in the cell case and configured to cover at least a portion of the electrode tab, the tab protection module including a lead positioning guide and a corresponding positioning guide insert portion adapted to receive the positioning guide insert portion, wherein the positioning guide insert portion is configured to couple to the electrode lead to guide a position of the electrode lead relative to the cell case.

A battery cell, a battery, and an electrical device are disclosed. The battery cell comprises: a casing assembly, comprising a casing and a first pole, the first pole comprising a pole body and a first cover plate, the pole body being mounted in the casing, and the first cover plate being arranged on the pole body; and a cell assembly, comprising an active material coating portion and a conductive portion connected to the active material coating portion, the active material coating portion being accommodated in the casing, and the conductive portion being connected to the pole body by means of a first welding portion. The first welding portion is at least partially located on the side of the pole body away from the active material coating portion, and the first cover plate is used for shielding the first welding portion.

The invention provides a battery device and a power utilization device, and relates to the technical field of batteries, the battery device comprises at least one battery monomer assembly, a signal acquisition assembly and a battery monitoring module; the battery monomer assembly comprises a plurality of battery monomers arranged along a first direction; the signal acquisition assembly is used for acquiring information of single batteries of the single battery assembly, the signal acquisition assembly comprises a wire harness group and a first connector, and the first connector is connected to one end of the wire harness group; the battery monitoring module is provided with a second connector, and the second connector is in plugging cooperation with the first connector, thereby reducing the space occupied by the communication connection between the signal collection assembly and the battery monitoring module. The risk of sampling failure caused by interference wear between the first connector and the second connector and the high-voltage box, the confluence component and the inner wall of the box body of the battery device is reduced, and the reliability of the battery device is improved, so that the reliability of the battery device is improved, and the cost of the battery device can be reduced.

A battery pack includes an assembled battery, a lower case, an upper case, and a bus bar module which includes an external connection positive terminal and an external connection negative terminal, a side wall of the upper case has an external connection connector attached thereto in advance, the external connection connector includes an external connection positive bus bar having one end fastened to the external connection positive terminal and an external connection negative bus bar having one end fastened to the external connection negative terminal, and the upper case is attached to the lower case so that the one end of the external connection positive bus bar and the external connection positive terminal will be arranged to be fastenable to each other and the one end of the external connection negative bus bar and the external connection negative terminal will be arranged to be fastenable to each other.

The invention relates to a battery device and a power utilization device, the battery device comprises an electrode assembly and an electrolyte, the electrode assembly comprises a positive pole piece and a negative pole piece, the positive pole piece comprises a positive pole lug, a positive pole current collector and a positive pole active material layer, and the negative pole piece comprises a negative pole lug, a negative pole current collector and a negative pole active material layer; the positive electrode active material layer comprises lithium-containing phosphate of an olivine structure; the negative electrode active material layer comprises graphite particles of which the Dv50 is 8.5-13.5 [mu] m; the single-side coating weight of the negative electrode active material layer is 110 to 150mg / 1540.25 mm < 2 >; the positive tab is connected to one side of the positive current collector along the width direction of the positive pole piece, and the negative tab is connected to one side of the negative current collector along the width direction; the electrolyte comprises a silane-based additive, a lithium salt additive and an unsaturated ester additive. According to the invention, the energy density, rapid charging and use reliability of the battery device can be considered.

The utility model relates to the technical field of batteries, and discloses a cylindrical battery, which comprises a cylindrical shell, a cylindrical battery core, a cylindrical battery core, a cylindrical battery core, a cylindrical battery core and a cylindrical battery core, and is characterized in that an opening is formed at one end of the cylindrical shell; the circuit board is arranged in the cylindrical shell, and one side of the circuit board abuts against the gear structure; the connection supporting piece is arranged in the cylindrical shell and abuts against the other side of the circuit board; the battery cell is arranged in the cylindrical shell, and a second electrode of the battery cell is conductively connected with the cylindrical shell; the first electrode of the circuit board is conductively connected with the first electrode of the battery cell, and the second electrode of the circuit board is conductively connected with the cylindrical shell through the connecting support piece. According to the cylindrical battery provided by the utility model, the gear structure is propped against one side of the circuit board, and the connecting support piece fixedly arranged in the cylindrical shell is propped against the other side of the circuit board, so that the circuit board is extruded, propped and fixed, and the second electrode of the circuit board is conductively connected with the cylindrical shell through the connecting support piece; and the stability of conductive connection between the circuit board and the cylindrical shell can be improved.

An energy storage system is disclosed and includes: at least one battery pack; and one or more electrically conductive components each of which including one or more pre-ceramic polymer layers, where the one or more pre-ceramic polymer layers of each of the one or more electrically conductive components electrically insulate the one or more electrically conductive components from other electrically conductive components of the at least one battery pack.

Disclosed is a battery module improved in efficiency of resistance welding and bonding reliability. The battery module includes a plurality of secondary batteries, each having electrode terminals; a module housing having an inner space configured to accommodate the plurality of secondary batteries; and a bus bar including a body portion having a metal plate configured to electrically connect the plurality of secondary batteries to each other and a connection portion extending from the body portion to contact the electrode terminal. Each of the first connection portion, the second connection portion, and the third connection portion has at least one welding point.

The utility model relates to an aluminum bar, a battery module and a battery pack. The aluminum bar comprises a connecting part and a transition part. The number of the connecting parts is two, and the two connecting parts are respectively used for connecting corresponding battery cell poles in the battery module; the transition part is electrically connected between the two connecting parts, and the transition part can respond to the temperature and block the current between the two connecting parts at the preset temperature. The aluminum bar provided by the utility model is automatically powered off when reaching the preset temperature, the temperature of the aluminum bar is not required to be detected by a storage battery management system, and the corresponding aluminum bar is not required to be powered off, so that the response speed of the aluminum bar is greatly improved, and further diffusion of thermal runaway is prevented.

The circuit adapter comprises a shell, a conductive column and a conductive sheet, the shell is provided with an assembly hole, two ends of the conductive column are respectively a first end portion and a second end portion, two ends of the conductive sheet are respectively a third end portion and a fourth end portion, the second end portion is electrically connected with the third end portion, and the fourth end portion is electrically connected with the second end portion. The conductive column and the conductive sheet are installed in the assembly hole, the first end portion is located outside the assembly hole, and the fourth end portion and the assembly hole form a switching cavity. The conductive columns and the conductive sheets are combined to conduct electricity, so that the space occupied by the switching copper bar is reduced, a basis is provided for improving the energy density of the battery, and the weight of the battery is reduced at the same time. And the fourth end part of the conducting strip and the assembly hole form an adapter cavity for inserting a copper column, so that compared with the prior art that an adapter copper bar is connected and fixed through a screw, the insertion is more convenient, the installation steps are reduced, and the production efficiency is improved.

The present disclosure provides a current collection plate and a battery cell. the battery cell includes the current collection plate, and the current collection plate includes a welding side and a back side arranged oppositely. The welding side is configured to be welded to a battery core (3), the back side is provided with a welding track (2), and the welding track (2) presents a smooth wavy curve.

The invention discloses a battery pack. The battery pack comprises a battery pack shell; the one or more battery cell modules are arranged in the battery pack shell and can store electric energy; the battery cell module comprises a plurality of battery cell units; the terminal assembly is electrically connected with the battery cell module and comprises a positive terminal, a negative terminal and a data terminal; the battery pack further comprises a battery cell connecting piece and a metal piece; the battery core connecting piece is provided with a main loop part and a branch part; each branch circuit part is electrically connected to the positive electrode end or the negative electrode end of one battery cell unit; the main loop part is connected with each branch circuit part and is electrically connected to the positive electrode terminal or the negative electrode terminal of the terminal assembly; and the metal piece is at least in contact with part of the main loop part of the battery core connecting piece. Heating of the battery cell connecting piece can be improved, and the higher temperature rise requirement of the battery cell connecting piece can be met.

The utility model provides a battery device and an electric device. The battery device comprises a box body and a battery monomer group arranged in a containing cavity of the box body, the box body comprises a first box wall, a second box wall and a containing cavity located between the first box wall and the second box wall, the first box wall and the second box wall are arranged in a spaced mode in the first direction, and the second box wall comprises a first area and a second area. The distance from the first area to the first box wall in the first direction is larger than the distance from the second area to the first box wall in the first direction, the battery monomer group comprises a first battery monomer and a second battery monomer, the thickness direction of the first battery monomer is parallel to the second direction, and the first battery monomer is arranged in the first area; the thickness direction of the second battery monomer is parallel to the first direction, and the size requirement of the second battery monomer in the first direction is lower than that of the second battery monomer, so that the second battery monomer can be arranged in the second area, the utilization rate of the internal space of the box body is improved, and the energy density of the battery device is improved.

A busbar, a battery pack, and an electronic device are provided. The busbar includes an aluminum bar and two copper sleeves, and a mounting hole is provided in each of the two ends of the aluminum bar. The two copper sleeves are secured in one-to-one correspondence in the two mounting holes, and the copper sleeves are electrically connected to the aluminum bar. One of the two copper sleeves is configured for electrically connecting to a battery module, and the other copper sleeve is configured for electrically connecting to an external device.

The utility model provides an immersed battery pack. The immersed battery pack comprises a battery cell module, a shell, a first connecting piece and a second connecting piece, the battery cell module is provided with an output row; the shell comprises an inner wall surface and an outer wall surface opposite to the inner wall surface, and a through hole penetrating through the inner wall surface and the outer wall surface is formed in the shell; the first connecting piece is connected with the output row, and part of the first connecting piece can extend into the through hole from one side of the inner wall surface; the second connecting piece is positioned on one side of the outer wall surface; the second connecting piece is electrically connected with the first connecting piece in the through hole, or the first connecting piece penetrates through the through hole to be electrically connected with the second connecting piece. The first connecting piece and the external second connecting piece are electrically connected in the through hole or at the periphery of the shell, and the joint of the first connecting piece and the external second connecting piece is not immersed in the cooling liquid any more, so that the risk of back-twist is overcome, the reliability of electric connection is improved, and the contact internal resistance is kept constant without influencing the overcurrent capacity.

Discussed is a battery pack, including a plurality of battery cells, and a side structure unit configured to accommodate a cooling unit and the plurality of battery cells and configured to form a first section of an outer surface of the battery pack. The side structure unit includes a main plate formed to have a predetermined length along the longitudinal direction of the battery pack, and accommodates a first group of the plurality battery cells at a first side and a second group of the plurality of battery cells at a second side that is opposite to the first side, and each of the first side and the second side of the main plate includes a plurality of inter-wings that separate the plurality of battery cells.

The invention discloses a thermal runaway detection structure and an integrated energy storage battery adopting the same, and relates to the technical field of energy storage batteries, the thermal runaway detection structure comprises two sliding rails, sliding seats are slidably connected to the two sliding rails, and a mounting frame is fixedly connected between the two sliding seats; locking knobs used for fixing the positions of the sliding seats are arranged on the sliding seats, and a plurality of infrared temperature sensors are installed in the installation frame. An integrated energy storage battery comprises an equipment table, inverted-U-shaped sliding frames are fixedly connected to the two sides of the upper end of the equipment table, a plurality of placement grooves are formed in the upper end face of the equipment table, and battery cell modules are placed in the placement grooves. And when the temperature of the battery cell module is abnormal, an alarm can be given in time to remind a worker to process, so that the battery cell module with thermal runaway is prevented from influencing other battery cell modules, and the whole equipment is prevented from being burnt down together.

The utility model provides a battery device and a power utilization device. The battery device comprises a battery monomer, a spacing assembly and a wire harness plate assembly, the plurality of battery cells are arranged along the thickness direction of the battery cells. And the spacing assemblies are arranged between the adjacent battery cells. The spacing assembly comprises a spacing piece and a temperature acquisition line, at least part of the temperature acquisition line is embedded into the spacing piece, the temperature acquisition line comprises an acquisition end and a connecting line, and the acquisition end and at least part of the connecting line are arranged between adjacent single batteries. And the wire harness plate assembly is electrically connected with the acquisition end through a connecting wire. The reliability of the battery monomer can be improved.

The invention provides a battery module which has high energy density, can suppress bending of a current collecting part of a battery cell, and can suppress deterioration and short circuit caused by bending of the current collecting part of the battery cell. A battery module (1) is provided with: a plurality of battery cells (10) stacked in one direction; a restraining body (20) that restrains the plurality of battery cells (10) in the stacking direction; a bus bar (30) that connects the battery cells (10) to each other; and a bus bar holder (40) that holds the bus bar (30), the bus bar holder (40) having a first stretchable section (41) that follows the displacement of the battery cells (10) in the stacking direction.

The utility model relates to a battery protection board, a battery assembly and electric equipment, and relates to the technical field of energy storage. Wherein the chip comprises a plurality of pins; the bonding pad groups are suitable for being connected with the chip and the battery cell; the first connecting piece is connected with the at least two bonding pad groups, and the first connecting piece is suitable for enabling the two bonding pad groups to be short-circuited or disconnected; and the second connecting piece is connected between the two pins, and the second connecting piece is suitable for enabling the two pins to be in coupling connection, short circuit or disconnection. Therefore, the connection relationship between each bonding pad and the chip in the battery protection board and the connection relationship between the chip pins can be configured according to the actual number of the battery cells in the battery pack, so that the same battery protection board can be configured with different numbers of battery cells without redesigning the circuit or replacing the chip, and the battery protection board is convenient to use. Therefore, the development cost is reduced, and the expansibility of the battery protection board is improved.

The utility model relates to the technical field of aircraft power supply connection, in particular to a two-way elastic clamping jaw double-locking anti-falling battery connector, which comprises an upper elastic sheet, a lower elastic sheet, a first clamping jaw and a second clamping jaw, first clamping jaws are fixedly connected to the front end faces of the upper elastic piece and the lower elastic piece, first clamping grooves are formed in the first clamping jaws, a plurality of evenly-arranged first anti-skid teeth are fixedly connected to the inner walls of the first clamping grooves, second clamping jaws are fixedly connected to the rear end faces of the upper elastic piece and the lower elastic piece, and second clamping grooves are formed in the second clamping jaws. The inner wall of the second clamping groove is fixedly connected with a plurality of second anti-skid teeth which are uniformly arranged; the connecting device is suitable for different temperatures through the double-piece spring steel clamping jaw made of stainless steel, the clamping force and the clamping angle of the clamping jaw can be flexibly adjusted, and the universality and the adaptability of the connecting device are greatly improved.

Methods and apparatuses for energy unit cells for primary structures are described. The method comprises obtaining enclosure criteria of an enclosure space, wherein the enclosure space is configured to contain an energy storage device. The method further comprises obtaining a load case of a primary structure of a vehicle. The method further comprises determining a primary structure design based on the enclosure criteria and the load case, where the primary structure design incorporates the enclosure space.

The utility model discloses a connecting structure for a battery and an expander and power supply equipment, and relates to the technical field of battery expansion, and the connecting structure comprises a first connecting assembly and a second connecting assembly; the first connecting assembly comprises a first terminal arranged on the battery and a second terminal arranged on the expander, and the second terminal is inserted into the first terminal; the second connecting assembly comprises a clamping groove formed in the battery and a clamping jaw which is arranged on the expander and matched with the clamping groove, and the clamping jaw extends into the clamping groove to lock the battery and the expander. According to the connecting structure for the battery and the expander provided by the invention, on the basis that the connection between the battery and the expander is ensured by using the insertion and extraction force of the terminal, the expander and the battery are locked by extending the clamping jaws arranged on the expander into the clamping grooves formed in the battery, so that the problem that the expander and the battery are loosened after being inserted and extracted for multiple times is avoided, and the service life of the expander and the battery is prolonged. And the reliability of connection between the expander and the battery is improved.

The utility model discloses a modularized energy storage container convenient to transport and splice. The modularized energy storage container comprises a container body, battery bins are symmetrically arranged in the container body, a liquid cooling unit bin is arranged in the middle of the container body, an electrical bin is arranged at the lower end of the liquid cooling unit bin, and battery clusters and battery units are arranged in the battery bins; a container face door is further arranged on one side of the box body, and battery brackets are evenly arranged on the battery bin. A liquid cooling system, a high-voltage control system and a dehumidification system are mounted in the battery compartment; fire fighting systems are installed in the liquid cooling unit bin and the electrical bin, and an electrical convergence system is installed in the electrical bin. The liquid cooling system, the dehumidification system and the electrical convergence system are arranged, so that the use scene of multi-machine parallel connection is met. A plurality of systems can be combined to be used on a power grid side, when the plurality of systems are matched to be used, the splicing performance can be flexibly combined, all the systems are connected through centralized inverters, and single-cluster or individual-cluster independent replacement can be carried out under the condition of battery feed.

A battery system includes a battery pack configured to be selectively connected to an output terminal of the battery system and a DCFC receptacle, a first contactor that is connected between the DCFC receptacle and a first terminal of the battery pack, and a first SSR connected in series with the first contactor between the DCFC receptacle and the first terminal of the battery pack. The first SSR has an open state where current from the DCFC receptacle to the battery pack is interrupted and a closed state where current flows from the DCFC receptacle to the battery pack, the first SSR is configured to transition from the closed state to the open state prior to the first contactor, and current only flows from the DCFC receptacle to the battery pack when both the first contactor and the first SSR are in the closed state.