32results about How to "Measurable" patented technology

The invention discloses a component hydroforming springback accurate compensation method based on liquid volume control, and relates to a metal curved plate forming manufacturing method. According tothe component hydroforming springback accurate compensation method, a plate liquid male die deep drawing forming method is utilized, the difference between the theoretical volume of a target part andthe volume of an actual part after springback is calculated, a die is elastically deformed by adjusting and controlling the volume of injected liquid, the elastic deformation and the springback amountof the die are controlled to be equal, the springback of a curved plate is accurately compensated, and the size of a component meets the design requirement. According to the component hydroforming springback accurate compensation method, a die does not need to be repaired, and springback caused by plate batch changes and die machining errors can be accurately compensated on line in place. According to the component hydroforming springback accurate compensation method, the springback amount compensation is realized by adopting measurable and numerically-controlled liquid volume variation, theadvantages of high compensation precision, simple process, high efficiency, short period and low production cost are achieved, and the requirements of precise springback compensation and high profileprecision control of curved plates in different batches can be met.

The invention relates to a multi-blade capacitor device with a phase separation function of swirling flows for measuring the moisture content, which comprises a swirling flow phase separation unit anda capacitance measuring unit. The device is characterized in that: the swirling flow phase separation unit comprises a spiral blade support rod, and two or more spiral blades and an outer tube wall distributed on the outer circumference of the spiral blade support rod; the capacitance measuring unit comprises a metal inner core, an insulating layer and an outer metal tube wall covering the outercircumference of the metal inner core; the water-facing surface of the spiral blade support rod is streamlined. The multi-blade capacitor device has a good distribution effect of gas-liquid phase separation and does not depend on two-phase flow pattern, and can reliably measure the moisture content through the capacitor unit.

In a length or position measuring system which has an at least locally substantially linear measuring gauge and at least one sensor able to be moved relative to the measuring gauge wherein the measuring gauge includes an incremental track and at least one absolute track and wherein the incremental track and the at least one absolute track have pole pairs arranged in the longitudinal direction of the measuring gauge, it is provided in particular that at least one pole pair of the absolute track is phase-shifted relative to a corresponding pole pair of the incremental track.

The invention provides a production technique of a sour bean. The beans are washed and salt with the weight of 6 percent to 8 percent of that of the beans is added, and 0.05 percent to 0.1 percent of lactobacillus (W / W) is inoculated and fermented for 10d to 30d, then the ferment is stopped and ingredients are added and sterilization is carried out to finish the products. The invention provides the production technique for the sour bean that can not only effectively reserve the nutrition contents of beans and keep fresh and wonderful flavor, dainty taste, no peculiar smell and long storage life, but also realize commercialized and industrialized production.

The invention discloses a method for constructing a demand response scheduling evaluation system of a simulated peak-shaving unit, including: determining the demand response dispatch evaluation time; taking the simulated peak-shaving unit as the target, and constructing three levels from the time dimension, the capacity dimension and the object dimension The demand response dispatching evaluation system of simulated peak-shaving units: the first layer is general indicators; The evaluation system of demand response dispatching; the evaluation method of attribute interval recognition theory is used to analyze the index system and carry out dispatching evaluation calculation. The demand response scheduling evaluation system of the simulated peak shaving unit constructed by the method of the present invention has comprehensiveness, independence, ease of measurement, flexibility and practicability, and is helpful for power grid scheduling to understand demand response scheduling results and user responses more intuitively State, providing a scientific and accurate basis for the implementation of demand response and settlement.

The application belongs to the technical field of measuring equipment, and in particular relates to a displacement sensing device and its application. Smart cables with built-in optical fiber sensors are used in the existing cable detection and monitoring. The status of the optical fiber sensor itself is uncertain, and the data reliability in the application process is insufficient. For the smart cable with built-in magnetic flux internal sensor, since the sensor derives the force of the cable through the change of the cross-sectional area of ​​the cable, it cannot effectively analyze the state of the cable when the cable is corroded or part of the section is out of work for other reasons. The present application provides a displacement sensing device, comprising interconnected displacement sensing components and power supply acquisition components, the displacement sensing components include a displacement sensor, a sensing steel wire and a measuring steel wire, the displacement sensor is connected to one end of the sensing steel wire connected, the other end of the sensing steel wire is connected to one end of the measuring steel wire. With convenient replacement conditions, the production, transportation, installation, use and subsequent maintenance of smart cables are more convenient.

The invention discloses a demand response effect evaluation method with load limit as the target, comprising the following steps: step 1, determining the demand response evaluation time; step 2, with load limit as the target, determining three major evaluation sub-targets; step 3. Establish a demand response effect evaluation system based on the load limit as the judgment standard based on whether it is strongly related to the evaluation sub-objective; Step 4: Standardize the important evaluation indicators and auxiliary evaluation indicators to obtain each evaluation index The percentage of , and then use the weight method for unified solution to obtain the evaluation value. The evaluation method proposed by the present invention has comprehensiveness, independence, ease of measurement, flexibility and practicability, and the source of required data is convenient and easy to understand, and it is solved by weight factor method, which is beneficial to engineering application and can be used in demand response / effective It can play a role of “filling in the gaps” in the evaluation of the effects of sequential electricity use or the formulation of demand response subsidy standards.

The invention relates to a device and a method for measuring saturated vapor pressure. The method comprises the steps of firstly, starting a semiconductor chip to minimize the temperature of a quartz glass tube, vacuumizing and then directly enabling the vacuumized quartz glass tube to be connected with gas phase fluid to be measured; condensing the gas phase fluid to be measured in the quartz glass tube, and stopping the addition of liquid to be measured when the height of the fluid to be measured in the quartz glass tube is 20-80% of that of the quartz glass tube; changing the set temperature of a temperature controller, and adjusting the temperature of a soaking metal block so as to control the temperature of the fluid to be measured in the quartz glass tube; when a pressure sensor and a temperature sensor stably output signals, acquiring the temperature of the fluid to be measured and the corresponding saturated vapor pressure. After the device and the method are adopted, the whole cooling, heating and measuring processes can be completed only within 5-10min, so that the temperature control waiting time of a thermostatic bath in the traditional experiment is greatly shortened, and the measurement efficiency is increased. A circulating bath of a thermostatic bath does not need to be additionally arranged, and a sample introduction process can be realized by means of a refrigeration function of the semiconductor chip, so that the cost of a laboratory table is lowered, and the space of a laboratory is saved.

The invention discloses an effective stress level test device and method of a vertical prestressed reinforcement. An ARM (Advanced RISC Machines) processor is connected with an ultrasonic pulse generator; a pulse signal emitted from the ultrasonic pulse generator is transmitted to an ultrasonic transducer via a boosted circuit and a transmitter circuit; the ultrasonic transducer transmits the ultrasonic wave to a data register via a programmable filter, a programmable amplifier and an A / D (analog-to-digital) converter; collected signals are sent to a DSP (Digital Signal Processor) by the data register; the DSP stores the signals in an RAM (Random-Access Memory) storage area; the ARM processor is connected with a memory, a keyboard, a display, the programmable amplifier, the programmable filter, the RAM storage area and a temperature measurement circuit; and the temperature measurement circuit is connected with a temperature sensor. The device has the characteristics of no loss, high speed, high accuracy and low cost, especially can quantify the influence of temperature on a stress measurement result, can correct the stress level test error of the vertical prestressed reinforcement so as to obtain the effective stress level value of the vertical prestressed reinforcement with the engineering accuracy.

The invention discloses a multifunctional tubular sediment erosion test device and method. The device includes three parts: a pipeline system, a measurement system and a push system, and has the advantages of simple structure, convenient operation, and the ability to quickly perform a large number of erosion tests ; The basic principle of the device is to carry out scour test through closed pipe flow, and can accurately measure the shear stress of the bed surface and simultaneously measure the scour rate, sediment transport rate of moving mass and sediment transport rate of suspended mass. The test device and method are not only suitable for non-cohesive sand, but also for cohesive sand; not only for remolded soil, but also for undisturbed soil, not only for the sand erosion test under general unidirectional flow conditions, but also for The sediment erosion test under seepage conditions has broad application prospects.

In the electric vehicle cluster load storage dispatching evaluation system designed by the present invention, its electric vehicle dispatching center obtains the regional power grid capacity, user load capacity and power grid operation state; Discharge capacity; the electric vehicle dispatching center compares the actual value of the capacity index of the electric vehicle cluster load storage dispatching system, the actual value of the vehicle service time index, the actual value of the safe operation index, the dispatching plan index and the actual value of the dispatching economic index with the actual value of the electric vehicle cluster load storage dispatching system. The system capacity index value, vehicle service time index value, safe operation index value, dispatch plan index and dispatch economic index value are compared and normalized to obtain the electric vehicle cluster load storage dispatch evaluation radar chart. The invention realizes the scientific and reasonable evaluation of the load storage scheduling strategy of the electric vehicle.