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14671results about How to "Improve space utilization" patented technology

Quick replacement station for battery box of electric vehicle and battery box replacement method

The invention discloses a fast power transformation station of a battery box of an electric automobile and a replacement method of the battery box. The power transformation station at least comprises the following devices: an automobile positioning platform, a battery box lifting and replacing platform, a stacking machine, a battery box storage rack, a logistics transmission port of the battery box and a delivery roller way which are symmetrically arranged relative to the longitudinal movement axis of the stacking machine, the simultaneous working of the two power transformation systems can be achieved, and the space utilization rate and the power transformation efficiency are improved. The fast power transformation station also comprises a power supply system which is arranged on a roof and consists of a solar photovoltaic power generation battery board; and self sufficiency of power can be achieved by virtue of the solar energy, the power supply of the equipment in the station or the charging for the battery box in the station are met. The invention also provides the replacement method of the battery box of the power transformation station. According to the power transformation station, the distribution is reasonable, the space utilization rate is high, the work of the equipment is reliable and simple, and the power transformation process is fast, so that the power transformation time can be shortened, the power transformation fault is reduced, and the compatibility for different vehicles and different battery boxes is also improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Fine grit document and catalogs version management method based on snapshot

InactiveCN101162469AShort execution timeFlexible configuration version generation strategySpecial data processing applicationsGranularityUsability
The present invention relates to a fine-granularity files and directory edition management method based on snapshots, belonging to the multi-version document system field. The present invention separates a name space consisting of files and dirnames in a whole file system from an edition space representing the generating periods of different editions, and adopts relatively independent strategies to execute management, forming a hierarchical two-dimensional structure, i.e. forming a hierarchical structure from a root directory to a file in the name space; in the edition space, the editions of files and directory are organized through an index structure chronologically, forming a hierarchical structure in the edition space. The retrieval of the name space adopts an index strategy based on dynamic hash. The retrieval of the edition space adopts an index strategy based on a red-black tree. The directory edition and file edition respectively adopt a red-black tree structure variant aiming at the respective characteristics. The present invention can greatly improve the usability and the performance of the system, and controls the amount of consumption of time and space resulting from the maintenance of historical editions in an acceptable scope.
Owner:TSINGHUA UNIV

Three-dimensional multi-box specially-structured cargo loading optimizing method

The invention discloses a three-dimensional multi-box specially-structured cargo loading optimizing method. The three-dimensional multi-box specially-structured cargo loading optimizing method comprises the steps that a plurality of containers A are selected as containers to be loaded, spaces of the containers A serve as initial spaces, and the list of cargoes which can be loaded and basic data information of the cargoes are determined according to the initial spaces; sequencing is carried out in a descending order mode according to priority attribute values, T primary branches are generated, the initial j is set to be equal to one, the j is larger than or equal to one and is smaller than or equal to T, loading calculation of the containers A is carried out on the jth primary branch until loading calculation of all the T primary branches is accomplished, an optimal scheme is selected, the classifications of the cargoes, the placement direction of the cargoes, the number of the cargoes and position information of the cargoes in the optimal scheme are recorded, and the number of cargoes to be loaded is updated; if more cargoes to be loaded exist, the number of the classifications of the cargoes to be loaded is integer N times that of the cargoes in the reserved optimal scheme result, and the corresponding amount of the cargoes to be loaded is integer N times that of the cargoes in the reserved optimal scheme result, N stowage results same as the optimal scheme are generated; if not, switching is carried out, and recomputation is started until all the cargoes is completely loaded. The three-dimensional multi-box specially-structured cargo loading optimizing method has the advantages that the speed of an algorithm is high, the utilization rate of the spaces of the containers is high, and the three-dimensional multi-box specially-structured cargo loading optimizing method can be better applied actually.
Owner:DALIAN UNIV OF TECH

Hydrotreating device and application thereof as well as residual oil hydrotreating method

The invention provides a hydrotreating device which comprises a hydrotreating protection unit and a main hydrotreating unit, which are connected with each other in series, wherein the hydrotreating protection unit comprises a main hydrotreating protection reactor and a spare hydrotreating protection reactor, which are connected with each other in parallel, and the volume of the main hydrotreating protection reactor is larger than that of the spare hydrotreating protection reactor. The invention further provides the application of the hydrotreating device and a residual oil hydrotreating method. The method comprises the following steps of: introducing the residual oil and the hydrogen into the hydrotreating device, and alternately using the main hydrotreating protection reactor and the spare hydrotreating protection reactor in the process of hydrotreating, wherein the online time of the main hydrotreating protection reactor is longer than that of the spare hydrotreating protection reactor. The method provided by the invention is particularly suitable for machining the high-carbon content residual oil and the high-metal content residual oil. Furthermore, the bigger hydrotreating protection reactor is longer in online time, so that the invention is higher in reactor use ratio.
Owner:CHINA PETROLEUM & CHEM CORP +1

Automated instrument for nucleic acid extraction and mass spectrum sample application

The invention discloses an automated instrument applied to nucleic acid extraction and continuous operation process of a mass spectrum sample application chip in biomass spectrometry analysis of a nucleic acid sample. The automated instrument comprises three main devices, namely, a nucleic acid extraction and purification device, a nucleic acid liquor relief distributing device and a mass spectrum chip sample application device, wherein nucleic acid in body fluid is extracted by using a magnetic bead method, a mechanical arm is utilized to complete a nucleic acid extraction action, the extracted nucleic acid is dispensed onto a sample board through a dispenser, a pipettor is used for transferring the sample board onto a chip sample application instrument, and the mass spectrum and relatedinformation of the nucleic acid are obtained through laser sampling of a mass spectrometer, so that the nucleic acid is analyzed rapidly, directly and continuously. The automated instrument is high-precision in controlling the volume of dispensed liquor, high-cleanliness in controlling the quality of the dispensed liquor and high-efficiency in meeting sample application requirements of large-batch samples; meanwhile, the samples are uniformly distributed under the control of a computer program, volume errors and possible foreign pollution caused by manual operation are avoided, and the speed and efficiency in sample application are increased at the same time.
Owner:BIOYONG TECH
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