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155results about How to "Improve group efficiency" patented technology

Novel power battery pack structure and assembly process thereof

The invention relates to the field of power batteries, specifically to a novel power battery pack structure and an assembly process thereof. The battery pack structure comprises a box body used for placing battery cells, wherein the upper end of the box body is connected with a box cover used for protecting the battery cells arranged in the box body; a battery cell group is placed in the box bodyand comprises a plurality of battery cells; the lower end surface of each battery cell is connected with the bottom part of the box body through a structural adhesive; and the battery cells are connected through high-voltage connectors. According to a technical scheme of the invention, through improvement of traditional battery pack structures and production processes, the efficiency of group formation is high; in a traditional battery pack production process, the battery cells needs to be modularized and then assembled to form a required battery pack, while the assembly process provided by the invention omits the intermediate link of battery pack production, i.e., reduces the related production process of battery cell modularization, so the efficiency of group formation is improved; thus,the energy density of a product is improved, and the loss of energy conversion in the process of modularization is avoided.
Owner:芜湖天量电池系统有限公司

Self-discharge screening method for improving matching consistency of lithium ion batteries

InactiveCN109482521AFully self-dischargedAccurate measurementSortingElectrical batteryScreening method
The invention discloses a self-discharge screening method for improving the matching consistency of lithium ion batteries. The self-discharge screening method for improving the matching consistency ofthe lithium ion batteries comprises the following steps that after the same batch of batteries are subjected to conventional capacity grading, 5-20% SOC state-of-charge electric quantity is charged in a 4-6A current constant current charging mode. After the batteries are put on hold at normal temperature for 24-48h, the battery voltage is measured as OCV1, then the temperature is turned to 45 DEGC, and the batteries are put on hold for 120-168h, then the battery voltage is measured as OCV 2, then the batteries are put on hold at normal temperature, the battery voltage is measured as OCV3 again, values of OCV1, OCV2 and OCV3 are measured, and the voltage difference is calculated, that is , delta V1= OCV1-OCV2 and delta V2= OCV2-OCV3; and an out-of-tolerance value code of the delta V1 is VO1, an out-of-tolerance value code of the delta V2 is VO2, a batch of out-of-tolerance batteries can be roughly eliminated with a VO1 set value, and then a batch of the batteries can be finely eliminated with a VO2 set value. The self-discharge screening method for improving the matching consistency of the lithium ion batteries has simple and convenient implementation, high matching precision, good consistency and high matching efficiency, and is especially suitable for batch production application.
Owner:JIANGSU FRONT NEW ENERGY +1

Method and device for DRGs grouping of medical insurance data, and electronic equipment

InactiveCN110706769ASteps to reduce repeated groupingEasy to operateFinancePatient-specific dataAnalysis dataDiagnostic information
The invention discloses a method and device for DRGs (Diagnosis Related Groups) grouping of medical insurance data, and electronic equipment. The method comprises the steps of: obtaining to-be-analyzed data which comprises treatment basic information and project list information of a patient; applying a grouping model to obtain an MDCA group according to the operation information in the project list information; applying the grouping model to obtain an MDCP group according to the patient birth date information and the patient admission date information in the treatment basic information; and obtaining other MDC (Major Diagnostic Category) groups except the MDCA group and the MDCP group in the 26 MDC groups by applying the grouping model based on the diagnosis information in the treatment basic information and the operation information in the project list information. According to the method, the to-be-analyzed data can be divided into the MDC groups by applying the grouping model, theto-be-analyzed data is grouped to obtain the MDCA group and the MDCP group, and then the remaining to-be-analyzed data is grouped to obtain other MDC groups, so that the whole operation process is simple, and the grouping efficiency is improved.
Owner:上海金仕达卫宁软件科技有限公司

Battery module thermal runaway expansion suppression device based on heat tube

The invention provides a battery module thermal runaway expansion suppression device based on a heat tube, and belongs to the technical field of the electromobile power battery management. The batterymodule thermal runaway expansion suppression device based on the heat tube comprises a battery module, a runner, a base and aluminium plate jackets. The battery module comprises multiple same batteryand heat tube module units. Each battery and heat tube module unit comprises two single batteries, two thermal insulating jackets, two heat-conducting aluminum plates, a heat tube group and a thermalinsulating bar. Two single batteries are fixed at the inner side of the thermal insulating jackets. Two heat-conducting aluminum plates are positioned between two single batteries. Two heat-conducting aluminum plates are fixed with the evaporation section of each heat tube in the heat tube group through the thermal insulating bar. The condensation section of the lower part of the heat tube is positioned in the runner and used for performing the heat convection. The battery module is integrally fixed with the front and rear aluminium plate jackets through the base. The device is capable of effectively controlling the temperature of the battery module and the surface temperature difference of the battery, suppressing the thermal runaway expansion in the battery module, improving the safetyof a electromobile battery system, and providing the guidance for the safety design of the battery module.
Owner:TSINGHUA UNIV

Glass dynamic grouping control system and method for float glass production line

The invention provides a glass dynamic grouping control system and method for a float glass production line, and relates to the technical field of glass production. The glass dynamic grouping controlsystem comprises a first branch roller way, a second branch roller way, a third branch roller way, a photoelectric switch used for generating a photoelectric signal when detecting the float glass to be grouped, and a control module for controlling the first branch roller way, the second branch roller way and the third branch roller way to operate when receiving the photoelectric signal for the first time, wherein when the rear edge of the glass moves to a first preset position, if the length of the glass is greater than a length threshold, the second branch roller way and the third branch roller way are controlled to decelerate, and if not, the second branch roller way is controlled to decelerate, when the photoelectric signals are received again and the to-be-grouped float glass conveyedtwice is not in one group, the second branch roller way and the third branch roller way are controlled to operate, and when the photoelectric signals are received again and the to-be-grouped float glass conveyed twice is in one group and the front edge of the glass operates to a second preset position, the second branch roller way and the third branch roller way are controlled to operate. The glass dynamic grouping control system can be used for grouping glass of any specification and can control the grouping distance.
Owner:CHINA TRIUMPH INT ENG

Grouping method and system of orderly-power-utility peak-staggering stagger-stop users

The invention provides a grouping method and system of orderly-power-utility peak-staggering stagger-stop users. The grouping method of the orderly-power-utility peak-staggering stagger-stop users comprises the steps of (1) obtaining historical load data of user metering points; (2) determining stagger-possible loads of the user metering points according to the historical load data; (3) determining circuit stagger-possible loads of circuits according to the stagger-possible loads of the user metering points; (4) carrying out grouping on the circuits of each power supply area according to the circuit stagger-possible loads, wherein the circuits of each power supply area are divided into N small peak-staggering groups, and small-group stagger-possible loads of the N small peak-staggering groups are consistent; (5) dividing N*P small peak-staggering groups into N large peak-staggering groups according to the small-group stagger-possible loads, wherein large-group stagger-possible loads of the N large peak-shifting groups are consistent, the N small peak-staggering groups of each power supply area are distributed into different large peak-staggering groups, the P is the number of the power supply areas, and the large-group stagger-possible load is equal to the sum of the small-group stagger-possible loads of the small peak-staggering groups in each corresponding large peak-staggering group. According to the grouping method and system of the orderly-power-utility peak-staggering stagger-stop users, accuracy and efficiency of grouping can be improved.
Owner:FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID

High-speed sorting mechanism for batteries

The invention relates to the technical field of battery production and assembling equipment, in particular to a high-speed sorting mechanism for batteries. The high-speed sorting mechanism comprises abase. A feeding mechanism, a battery detection mechanism and a sorting mechanism are arranged on the base. The feeding mechanism is used for carrying groups of batteries to the battery detection mechanism. The battery detection mechanism is used for conducting performance testing on the groups of batteries. The sorting mechanism is used for sorting the tested batteries. By means of the high-speedsorting mechanism for the batteries, whole boxes of batteries are placed on the feeding mechanism through manual work, the batteries are carried to the detection mechanism through an air cylinder ina grouped manner, the detection mechanism conducts OCV and inner resistance testing on the batteries in a grouped manner at the same time, all data are stored in an industrial computer after testing is completed, and the sorting mechanism can put the batteries with good consistency into different grading grooves according to the performance of the batteries. Compared with traditional manual sorting, the high-speed sorting mechanism for the batteries can achieve automatic and high-speed testing and sorting on battery groups, the efficiency of grouting the batteries according to the performanceis improved, the labor force is greatly saved, and the production cost is reduced.
Owner:江苏洛柳精密科技有限公司

Novel graphene-based total-soil metal lithium battery and working method thereof

The invention discloses a novel graphene-based total-soil metal lithium battery. The novel graphene-based total-soil metal lithium battery comprises a positive electrode, a negative electrode, solid electrolyte, a diaphragm and a battery shell. In the battery, a positive current collector adopts a LiFePO4-graphene based compound; a negative current collector adopts metal lithium; the diaphragm adopts polypropylene; the solid electrolyte adopts a V2S5-graphene based composite material; the middle of the positive electrode and the solid electrolyte is coated with one layer of the diaphragm; themiddle of the negative electrode and the solid electrolyte is coated with one layer of the diaphragm; the diaphragms are arranged in parallel and are accommodated in the battery shell; the battery isformed by stacking the positive electrode, the negative electrode, the diaphragms and the solid electrolyte in an inserting bag mode; and convex parts on substrates of the positive electrode and the negative electrode are connected with leads to form conductive lugs. The graphene total-soil metal lithium battery reduces the internal resistance of the battery, has excellent electronic conductivity,lithium ion conversation rate and metal lithium rechargeability, improves electrode solid / solid interface contact stability, has high energy density and high safety, and is suitable for a power battery of a new energy automobile.
Owner:ANHUI ANKAI AUTOMOBILE

Battery box

The invention provides a battery box. The battery box comprises an upper box body, a lower box body, a connecting piece and a fixing piece; the upper box body is provided with a first side wall and a first eave part protruding out of the first side wall in the circumferential direction, and the lower box body is provided with a second side wall and a second eave part protruding out of the second side wall in the circumferential direction. The first eave part and the second eave part are oppositely arranged in the vertical direction, the first eave part is provided with a first connecting hole, and the second eave part is provided with a second connecting hole and a mounting hole spaced from the second connecting hole. And the connecting piece is fixedly connected with the upper box body and the lower box body through the first connecting hole and the second connecting hole. The material density of the lower box body is larger than that of the upper box body, and the height of the first side wall in the vertical direction is larger than that of the second side wall in the vertical direction. According to the battery box provided by the invention, the structure of the lower box body is simplified, and the weight of the lower box body is reduced, so that the grouping efficiency and the energy density of the battery box are improved.
Owner:CONTEMPORARY AMPEREX TECH CO

Reverse-flow full-automatic battery grouping method and reverse-flow full-automatic battery grouping system based on dynamic optimization

The invention discloses a reverse-flow full-automatic battery grouping method and a reverse-flow full-automatic battery grouping system based on dynamic optimization. The battery grouping system comprises a battery performance detection device, a conveying device, and a main control computer. In the conveying device, an input conveyor belt and one side of an annular conveyor belt are parallel to and connected with each other, the annular conveyor belt and an output conveyor belt are perpendicular to and connected with each other, and the output conveyor belt and an outlet conveyor belt are perpendicular to and connected with each other. A baffle, a push-in cylinder and a photoelectric door are arranged at the tail end of the input conveyor belt. A push-out cylinder and a photoelectric door are arranged at the joint of the annular conveyor belt and the output conveyor belt, and a sensor is arranged beside the push-out cylinder. The distance between the push-out cylinder and the push-in cylinder is equal to the spacing between two adjacent batteries on the annular conveyor belt. The battery grouping method comprises the steps of battery input and grouping optimization calculation, battery pushing-out, and battery grouping output. By adopting the battery grouping method and the battery grouping system, real-time grouping optimization selection can be carried out according to the current state, and the quality and success rate of grouping are improved.
Owner:浙江海宁经编产业园区开发有限公司

Assembling device and assembling method

The invention relates to an assembling device and an assembling method, which are used for stacking a plurality of battery units, the stacking direction being the length direction of the assembling device. The assembling device comprises a base and an assembling part; the assembling part is mounted on the base and comprises a first matching surface and a second matching surface; the first matchingsurface is used for placing a battery unit; in the direction close to the second matching surface, the first matching surface inclines downwards by a first preset angle alpha, so that the battery unit placed on the first matching surface can move towards the direction of the second matching surface and abuts against the second matching surface. In the stacking process of the battery units, the battery units can be firstly positioned, other driving mechanisms do not need to be additionally arranged in the positioning process, and the positioning can be realized only through the structures of the battery units and the assembling part, so that the position precision of the battery units can be improved; and the positions of the battery units are prevented from being corrected in the stackingprocess, and therefore, the grouping efficiency of the battery units is improved, and meanwhile, the assembling device can be simplified.
Owner:CONTEMPORARY AMPEREX TECH CO

Battery cell, battery module and vehicle

The invention relates to the technical field of power batteries, and discloses a battery cell, a battery module and a vehicle. The battery cell comprises a metal shell, a naked battery cell and an external tab; the metal shell comprises a packaging shell and a sealing cover, a sealing cavity is defined between the packaging shell and the sealing cover, and connecting positions are arranged at the connecting position between the packaging shell and the sealing cover in the circumferential direction and comprise the first connecting position formed through heat sealing or mucilage glue and the second connecting position formed through welding; a glue part is arranged between the sealing cover at the first connecting position and the packaging shell; the naked battery cell is arranged in the sealing cavity; and one end of the external tab is arranged in the sealing cavity and is electrically connected to the naked battery cell, the other end of the external tab penetrates out of the metal shell, and the external tab is in insulated connection with the metal shell. According to the invention, the directional pressure relief of the battery cell is realized, the occurrence probability of battery cell explosion is reduced, and the safety of the battery module is improved.
Owner:HUBEI JINQUAN NEW MATERIALS CO LTD
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