327results about How to "Improve weighing efficiency" patented technology

A sandwich type load bearing panel (1) with a transversely shear stiff core (3) and a plurality of individual unidirectional plies respectively for a first and a second composite layer (2, 4), bonded each to one of the main surfaces of the core (3). The first composite layer (2) is a continuous and monolithic assembly and the second layer (4) is an open net of intercrossing strips (4a, 4b, 4c) running along at least three directions and being laid up of said plurality of individual unidirectional plies.

The invention relates to an automatic weighing system and method. The system comprises a first vehicle sensing unit, a first radio frequency identification unit, a control unit, a first infrared mutual-emission unit and an electronic weighing scale, wherein the first vehicle sensing unit is used for detecting whether a first vehicle weighed currently enters the automatic weighing system or not; the first radio frequency identification unit is used for acquiring the radio frequency identification tag of the first vehicle weighed currently after the first vehicle sensing unit detects that the first vehicle weighed currently enters the automatic weighing system; the control unit is used for the radio frequency identification tag acquired by the first radio frequency identification unit; the first infrared mutual-emission unit is used for detecting whether the first vehicle weighed currently is completely located on the electronic weighing scale or not under the control of the control unit; and the electronic weighing scale is used for acquiring the weight information of the first vehicle weighed currently under the control of the control unit after the first infrared mutual-emission unit detects that the first vehicle weighed currently is completely located on the electronic weighing scale. According to the invention, the weighing efficiency can be increased, the summary statistics of the weight information is facilitated, and illegal behaviors in the weighing process can be completely eradicated.

There is provided a bleaching enzyme capable of generating a bleaching chemical and having a high binding affinity for stains present on fabrics. Furthermore, there is provided an enzymatic bleaching composition comprising the bleaching enzyme and a surfactant and a process for bleaching stains present of fabrics.

A turbomachine casing assembly includes a first casing element locatable radially outward of one or more rotating aerofoil elements of a turbomachine and a second casing element located radially distal to the first casing element, with a void being defined between the first and second casing elements. Each of the first and second casing elements includes, at a first end thereof, respective co-operating first and second interface portions. In the event that an aerofoil element becomes detached from the turbomachine and impacts the first casing element, the second interface portion; slides along the first interface portion and the first end of the first casing element enters the void.

The invention relates to an automatic powdery dye weighing system. The automatic powdery dye weighing system comprises a frame, a plurality of feeding devices, a movable rotary-shifting manipulator, a movable receiving trolley and an electric control cabinet, the feeding devices are arranged on the frame side by side, the movable receiving trolley is correspondingly arranged below the front ends of the feeding devices, the movable rotary-shifting manipulator is correspondingly arranged at the rear ends of the feeding devices, the electric control cabinet is arranged on one side of the frame, each feeding device comprises a dye box and a screw feeder, each screw feeder is mounted on the lower portion of each dye box, a discharge hole is made at the front end of each screw feeder, the rear end of each screw feeder is matched with the movable rotary-shifting manipulator so as to achieve discharging, the upper portions of the dye boxes are connected with a feeding pipe and a negative pressure pipe, and the negative pressure pipe is connected with a negative pressure fan. The automatic powdery dye weighing system has the advantages that the automatic powdery dye weighing system is simple in structure, scientific and reasonable in design, capable of effectively improving dyeing recipe weighing efficiency and good in weighing repeatability, pollution of powder to working environments is avoided, labor is freed, and the working environments are improved.

The invention discloses a volume and weight measuring system and a work method thereof; the measuring system comprises a bar code scanning subsystem, a weight measuring device, a volume measuring device, a control system and a power supply system; the control system is respectively connected with the bar code scanning subsystem, the weight measuring device, and the volume measuring device; the power supply system is respectively connected with said systems; the bar code scanning subsystem is used for scanning a tested object bar code and collecting the tested object logistics information; the weight measuring device is used for measuring the object weight; the volume measuring device is used for measuring the tested object volume; the control system is used for synchronizing the volume measuring device, the weight measuring device and the bar code scanning subsystem, and receiving information from the subsystem; the work method can synchronically scan the tested object bar code, measure the tested object weight and measure the tested object volume, thus preventing troubles caused by three step works or three station works, and solving the confusion problems caused by separately processing data.

The application provides a method and device for weighing garbage and a garbage bin, including: scanning the two-dimensional code on the garbage bag to obtain the user information corresponding to the garbage bag; determining the initial weight of the weighing device, and judging the weight based on the initial weight Whether the weight of the device changes; among them, the weighing device is used to measure the weight of the garbage in the garbage bag; when the weight of the weighing device changes, obtain the weight of the garbage in the garbage bag and the classification information of the garbage; establish user information, garbage The corresponding relationship between the weight of the garbage and the classification information of the garbage; by sending the corresponding relationship to the server, the application can reduce manual operations, save human resources, and increase the efficiency of garbage weighing.

A multirotor aircraft that is adapted for vertical take-off and landing. The multirotor aircraft comprises a fuselage, a tail boom that is provided with a vertical fin, a thrust producing units assembly that is provided for producing thrust in operation, at least one lower wing which comprises a lower wing inboard section that is connected to the fuselage and a lower wing outboard section that forms a lower wing tip, and at least one upper wing which is connected to the vertical fin and which forms an upper wing tip. The at least one upper wing is joined to the at least one lower wing in a joined-wing configuration.

A pressure container 1 composed of a reinforcing layer 2 and a liner layer 3, with a hydrogen charging pressure of 30 MPa or higher; and a hydrogen absorbing material and a carrier for holding said hydrogen absorbing material (hydrogen absorbing material portion 4) contained in the pressure container 1 are included, and a volume fraction X of the hydrogen absorbing material with αm≧100 kg/m³ with respect to an internal volume of the pressure container 1 is 5(%)≦X≦20(%), where am denotes a maximum hydrogen absorption amount per unit volume of the hydrogen absorbing material (kg/m³); X=100 ·Vm/Vi (%); Vi is an internal volume of the pressure container (L); and Vm is a volume of the hydrogen absorbing material in the pressure container (L).

The embodiment of the present invention discloses a weighing system. The weighing system is used for hotel purchase and out-put and in-put of warehouse management, and comprises a weighing terminal, a weighing sensor, a local database, a transmission server, a query server, a mobile terminal and a cloud database, wherein the weighing terminal is connected with the transmission server through a network; the weighing terminal is also connected with the weighing sensor in a physical mode; the weighing terminal is also connected with the local database and the mobile terminal; the mobile terminal is also connected with the query server; the transmission server is connected with the cloud database through the network; and the cloud database is connected with the query server. By means of the weighing system, the weighing efficiency can be improved and the input cost can be reduced.

The invention belongs to the field of fluid machinery design and discloses a hydraulic optimization method of a flow channel type guide vane of a multistage centrifugal pump under multiple working conditions. The hydraulic optimization method is mainly used for calculating out a vane inlet setting angle of the flow channel type guide vane of the multistage centrifugal pump with highest or lowest weighted average efficiency under the multiple working conditions. The hydraulic optimization method specifically comprises the followings steps: measuring the flow, lift, power and efficiency of the multistage centrifugal pump under the multiple working conditions; solving an iterative mathematical model of the vane inlet setting angle of the flow channel type guide vane by adopting an iterative algorithm and working out a set of solution sets of the inlet setting angle; and carrying out total flow field numerical-calculation on internal flow fields of the multistage centrifugal pump under the multiple working conditions by adopting a CFD technology so as to obtain an optimum value of the guide vane inlet setting angle. The vane inlet setting angle of the flow channel type guide vane of the multistage centrifugal pump, designed by the adopting the method provided by the invention, is more accurate than the inlet setting angle designed under a single working condition, the weighted average efficiency of the multistage centrifugal pump under the multiple working conditions is improved and a reference is provided for optimization of other geometric parameters of the impellers and guide vanes of the multistage centrifugal pump under the multiple working conditions.

The invention provides a dynamic weighing piezoelectric sensor for a vehicle. The dynamic weighing piezoelectric sensor comprises a weighing stress profile and a quartz piezoelectric sensor; the weighing stress profile comprises a stress deformation cavity, a weighing stress top plate and a weighing supporting bottom plate; the quartz piezoelectric sensor is arranged in the stress deformation cavity; the upper and lower stress surfaces of the quartz piezoelectric sensor are respectively in contact with the upper and lower deformation stress inner cavity surfaces of the stress deformation cavity; the weighing stress top plate is arranged in parallel to the weighing supporting bottom plate; the stress deformation cavity is arranged between the weighing stress top plate and the weighing supporting bottom plate; and the centers of the upper and lower outer cavity surfaces of the stress deformation cavity are respectively arranged in the centers of the weighing stress top plate and the weighing supporting bottom plate. The dynamic weighing piezoelectric sensor for the vehicle has the advantages of scientific design, capability of realizing dynamic measurement, high measurement value precision and high weighing efficiency, and is easy to produce and install.

The embodiment of the invention discloses a weighing system. The weighing system is applied to the weighing of materials in the factory, including: weighing terminals, weighing sensors and data servers. Among them, the weighing terminals, after startup, are initialized according to the information stored in the data server and receive operator input. The login information, after the login authentication is passed, read the bill of material information to start the weighing operation; receive the weighing data sensed by the weighing sensor, and store the weighing data and operator information in the data server; the weighing sensor receives the weighing The notification output by the weighing terminal collects the weighing data of the material placed in the weighing platform and outputs it to the weighing terminal; the data server is used to interact with the weighing terminal and initialize the weighing terminal; receive the information uploaded by the weighing terminal , update the corresponding stored information; receive the data query request, and return the result of the data query request. By applying the invention, the weighing efficiency can be improved and the input cost can be reduced.

A differential weighing method for determining the weight of an item or a group of like items that must be weighed, and a reusable container for use in the differential weighing process. The reusable container may be, for example, a reusable basket or bag. The reusable container is sized to fit on the load receiving surface of the differential weighing scale or is equipped with a series of bottom locating projections that contact the load receiving surface and transfer the weight of the container and its contents thereto when the container sits on the scale. The scale is adapted for differential weighing, whereby the scale will report the weight of an item or group of like items that are removed from the reusable container as a positive net weight.

The invention provides a powder ash material weighing system and a weighing method. The powder ash material weighing system comprises at least two pieces of material weighing equipment and a control device, wherein the control device is connected with each piece of material weighing equipment; different pieces of material weighing equipment are used for weighing material with different precisions; and the control device is used for sending weighing signals with different precisions according to the expected calculated value of powder ash material and the calculated value after powder ash material is weighed, and for driving start-up and closing of different pieces of material weighing equipment according to the weighing signals with different precisions. According to the invention, the control device is used for controlling the at least two pieces of material weighing equipment with different precisions, so that precise weighing of powder ash material is further realized when rough weighing is realized, the weighing efficiency is high, and therefore, high-precision and high-efficiency weighing of material is realized.

The invention relates to an automatic weight measuring device for cows. The automatic weight measuring device for cows comprises a weighting unit, a cow state sensing unit, a weighting and processing unit, a radio frequency reading unit, a wireless transmitting unit and a portable meter receiver, wherein the weighting unit comprises a weighting panel, a weighting base plate and a weighting sensor arranged between the weighting panel and the weighting base plate; a flexible thin film grid-shaped tactility pressure sensor is arranged in the cow state sensing unit and is placed on the weighting panel; a microprocessor is arranged in the weighting and processing unit; the information output end of the weighting sensor, the information output end of the flexible thin film grid shaped tactility pressure sensor and the information output interface of the radio frequency reading unit are connected to the input interface of the microprocessor; the output interface of the microprocessor is connected with the input interface of the wireless transmitting unit; the wireless transmitting unit is in wireless communication with a wireless receiving unit arranged on the portable meter receiver. The automatic weight measuring device for cows is simple to operate and convenient to maintain; massive human resources can be saved and real-time monitoring can be realized on the weight of cows.

The invention discloses a feedstuff crushing and proportioning machine. A left weighing hopper and a right weighing hopper are mounted on a bracket platform through supporting columns, electromagnetic valves are respectively mounted at a discharge opening of the left weighing hopper and a discharge opening of the right weighing hopper, and weighing sensors are mounted at the lower ends of the supporting columns and are electrically connected with a PLC; a crushing casing is mounted under the bracket platform, and a crushing device is mounted in the crushing casing; the crushing device comprises a horizontal rotating shaft, vertical rotating shafts, vertical crushing blades and horizontal crushing blades, wherein the vertical crushing blades are integrally arranged on the outer wall of the horizontal rotating shaft, the vertical rotating shafts are integrally shaped at two ends of the horizontal rotating shaft, and the horizontal crushing blades are integrally shaped on the outer walls of the vertical rotating shafts. The machine has the advantages of being rapid in proportioning, high-efficient and thorough in crushing and the like, and is suitable for large-scale popularization.

The invention discloses an automatic weighing system applicable to a medium-low flow ambient air particulate filter membrane. The system comprises a constant temperature and constant humidity box (1), a supporting base (2), a storage rack (3), a manipulator (4) and a weighing device (5), wherein the supporting base (2), the storage rack (3), the manipulator (4) and the weighing device (5) are all arranged in the constant temperature and constant humidity box (1); the supporting base (2) is arranged at the bottommost in the constant temperature and constant humidity box (1); the storage rack (3) is mounted on the left side of the rear part of the upper surface of the supporting base (2); the weighing device (5) is mounted on the right side of the rear part of the upper surface of the supporting base (2); the manipulator (4) is mounted at the front part of the upper surface of the supporting base (2). The system is applicable to weighing a medium-low flow circular filter membrane sample; the whole weighing process is operated by a machine without manual intervention, the labor intensity of weighing workers is reduced, and the weighing accuracy and stability are improved.

The invention discloses an intelligent logistics warehouse cargo weighing management method. The method is used for weighing goods through a weighbridge and comprises: acquiring weighing information and warehousing goods code information of the warehousing goods, and when it is judged that the warehousing goods code information is consistent with a preset product production number, uploading the weighing information of the warehousing goods to a server; obtaining weighing information and warehouse-out goods coding information of warehouse-out goods; when it is judged that the warehouse-out goods code information is consistent with the warehouse-in goods code information through comparison, sending the warehouse-out goods code information to a server; identifying and comparing the weighinginformation of the warehouse-out goods with the weighing information of the warehouse-in goods, and uploading the weighing information of the warehouse-out goods to a server when the weighing information of the warehouse-out goods is consistent with the weighing information of the warehouse-in goods; detecting the current network transmission state in real time, and storing the weighing information of the warehouse-in goods and the weighing information of the warehouse-out goods in a local database when it is confirmed that the current network is offline.

The embodiment of the present invention discloses a weighing system. The weighing system comprises a weighing terminal, a weighing sensor, a transmission server and a cloud database, wherein the weighing terminal is connected with the transmission server through a network; the weighing terminal is also connected with the weighing sensor in a physical mode; and the transmission server is connected with the cloud database through the network. By means of application of the weighing system, the weighing efficiency can be improved and the input cost can be reduced.

The invention belongs to a quantitative package scale and a weighing method. The quantitative package scale comprises a material bin and a scale bucket. A quantitative discharging unit is arranged between the material bin and the scale bucket. The quantitative discharging unit comprises a volume changeable type quantitative discharging bin unit and a compensating type quantitative discharging binunit. The volume changeable type quantitative discharging bin unit and the compensating type quantitative discharging bin unit are arranged between the material bin and the scale bucket side by side.A shell is arranged on the outer side between the material bin and the scale bucket. The scale bucket is provided with a weighing sensor. A bottom discharging opening of the scale bucket is provided with a discharging baffle provided with an air cylinder. The shell is provided with a control unit for controlling the volume changeable type quantitative discharging bin unit and the compensating typequantitative discharging bin unit. The quantitative package scale has the advantages that the structure is simple, design is reasonable, operation is convenient, the package scale is applicable to particular materials, and the problem that the difference between the actual weight and the rated weight is too large can be solved effectively.