30results about How to "Easy to measure data" patented technology

The invention discloses a relative height measuring device which comprises a host computer, a microprocessor module, as well as an array type gas pressure sensor module, a power supply module, a liquid crystal display module and a serial port communication module which are respectively connected with the microprocessor module. A measuring method employing the relative height measuring device comprises the following steps: accomplishing a genetic algorithm optimized BP (Back Propagation) neural network in a host computer, transmitting obtained weights, thresholds and relative height calculation equations to the microprocessor module, acquiring gas pressure and temperature through the array type gas pressure sensor module and transmitting the gas pressure and temperature to the microprocessor module, processing the received air pressure and temperature through the microprocessor module so as to obtain the relative height, and transmitting the result to the liquid crystal display module to be displayed and stored in the host computer. With the combination of software and hardware, noise can be suppressed, useful signals can be recovered, enhanced and extracted, and the great precision and stability are achieved.

The invention discloses a suspended particulate matter mass concentration real-time detection device. The suspended particulate matter mass concentration real-time detection device comprises a photoelectric sensor, a voltage amplitude discriminator, an FPGA multi-channel acquisition module, a microprocessor module, a liquid crystal display module, a humidity sensor module, and a power module; signals collected by the photoelectric sensor are transformed into voltage signals via a signal adjusting circuit, and the voltage signals are send to the voltage amplitude discriminator; the voltage amplitude discriminator is connected with the FPGA multi-channel acquisition module and the microprocessor module successively; the microprocessor module is connected with the liquid crystal display module and the humidity sensor module respectively. According to a measuring method using the suspended particulate matter mass concentration real-time detection device, after establishment of a BP neural network via particle swarm optimization, obtained weight values, threshold values, and a mass concentration calculation formula obtained via relative humidity correction are send to the microprocessor module; and the microprocessor module is used for humidity algorithm compensation of received measuring results based on the mass concentration calculation formula; so that influences of environment change on measuring results are avoided, and measuring data is optimized.

An environment sensor is mounted in a measurement unit. The measurement unit is adapted to be transported by a transportation apparatus. Measurement data from the environmental sensor is stored in a data format suitable for associating the measurement data with a state of the measurement unit.

The invention discloses a device for simulating human vocal cord vibration. The device comprises a vocal cord model channel, a vocal cord model, a frequency conversion device, a vacuum pump, an air measurement system, a vibration measurement system, a particle picture speed measurement system, a data acquisition card and a computer, wherein the frequency conversion device is connected with the vacuum pump, and the vacuum pump is arranged at one end of the vocal cord model channel; the air measurement system and the vibration measurement system are arranged on the vocal cord model channel, and output ends of the air measurement system and the vibration measurement system are both connected with the data acquisition card; and the data acquisition card is connected with the computer. A method for simulating the human vocal-cord vibration by using a physical model is designed by the invention; and an emulational vocal cord is simulated by adopting a spring-mass block-damping model theory, and a particle picture speed measurement device is induced, which provides a support for researching and establishing a relation between the vocal cord and a sound production parameter. The method can be used for providing a support for medical researches of vocal cord vibration characteristics and the like under different sound production conditions and different pathological change conditions.

The invention discloses a general-purpose tester of a disconnecting switch and relates to the technical field of switch testing devices. The general-purpose tester comprises an opening range and synchronizing measurement assembly, a contact head and contact finger base gap measurement assembly and a data receiving and analyzing terminal, wherein the opening range and synchronizing measurement assembly is used for measuring the opening range and synchronizing value of the disconnecting switch, the contact head and contact finger base gap measurement assembly is used for measuring the value of a gap between a contact head of the disconnecting switch and a contact finger base of the disconnecting switch, and the data receiving and analyzing terminal is used for receiving measured data, analyzing the measured data and displaying the measured data. The general-purpose tester has the advantages of being convenient to use, high in measurement accuracy and the like.

The invention relates to a pressure and displacement testing mechanism for a vehicle sunroof. The mechanism comprises a lower rack assembly and an upper rack assembly which are in butt joint, a vehicle body fixing frame positioning and adjusting device arranged on the lower rack assembly and used for fixing and position adjustment of a vehicle body fixing frame, a suction cup weight balancing device arranged on the upper rack assembly and used for absorbing the vehicle sunroof, and a displacement measuring device used for measuring the displacement amount of the vehicle sunroof. Pressure testing devices used for applying pressure to normal planes of different positions of the vehicle sunroof are arranged on the lower rack assembly and the upper rack assembly respectively. By means of the mechanism, adsorption of the vehicle sunroof and observation of the displacement amount of a certain part of the sunroof under specific gravity adsorption conditions can be achieved. Meanwhile, the displacement amount of the vehicle sunroof at a specific time under the condition of pressurizing and pressure maintaining can be realized in the rigid test; measuring data is accurate, rapid and convenient; the automation degree of the whole testing process is high; the testing efficiency of an enterprise is greatly improved.

The invention provides a drawing test device for processing of a nylon heat insulation strip. The device comprises a base and a clamping assembly. First sliding grooves are formed in the two ends of one side of the top of the base correspondingly; a sliding plate is movably mounted on the first sliding groove; a U-shaped frame is arranged on the sliding plate; a first pneumatic cylinder is arranged in the middle of the top of the U-shaped frame; the output end of the first pneumatic cylinder penetrates through the U-shaped frame and is provided with a clamping plate; a second sliding groove isformed in the middle of the top of the base, and a connecting frame is arranged at one end of the second sliding groove; a connecting block extending into the second sliding groove is arranged at thebottom of the sliding plate; and a tension meter is connected between the connecting block and the connecting frame. The first pneumatic cylinder presses the clamping plate downwards to fix one end of the nylon strip, the clamping assembly clamps the other end of the nylon strip, the nylon strip can be drawn for testing through movement of the sliding plate, the toughness value of the nylon stripcan be obtained through the degree difference of the tension meter, and testing is more convenient.

The invention discloses a narrow space ring groove inner diameter measuring device and a use method thereof, which relate to a device for measuring the inner diameter of a ring groove of a steam turbine gulp valve seat and a use method of the measuring device, and aim to solve the problem that the inner diameter of an end face ring groove of an existing valve seat cannot be accurately measured. A conical hole, a plurality of first through holes and a second through hole are machined in the sliding seat, the sliding blocks are slidably installed in the second through hole and are symmetrically arranged about the center of the sliding seat, a hole is machined in one end of each sliding block, the other end of each sliding block is machined to be a conical face, a cylindrical pin is installed in each hole, a groove is machined in each sliding block, each stop pin penetrates through each first through hole in the sliding seat and is fixedly mounted in the groove of each sliding block, a conical block is fixedly mounted at the bottom end of the pull rod and is mounted in the conical hole of the sliding seat, and the outer surface of the conical block is in contact with the conical surface of each sliding block. The device is used for measuring the inner diameter of a ring groove of a steam turbine gulp valve seat and belongs to the field of measurement.

The invention discloses an isolating switch comprehensive tester, which relates to the technical field of switch test devices. It includes an opening distance and synchronous measuring component for measuring the opening distance and synchronous value of the disconnector, a contact and finger seat gap measuring component for measuring the gap between the contact of the disconnector and the contact finger seat, and a component for receiving the measured data and The data receiving analysis terminal for analysis and display. The comprehensive tester has the characteristics of convenient use, high measurement accuracy and the like.

The invention discloses a multi-point testing system for the dynamic surface magnetic field and thermal distribution of a superconductor, which comprises a bracket consisting of a horizontally-arranged copper support plate and a vertically-arranged copper support bar; a vibration exciter, an aluminum tray and a superconductor testing device are sequentially arranged on the copper support plate in a bottom-top mode; and a height-adjustable aluminium beam, a permanent magnet hung on the aluminum beam and a permanent magnet fixed bolt for fixing the permanent magnet on the aluminium beam are horizontally arranged on the copper support bar. By using the multi-point testing system for the dynamic surface magnetic field and thermal distribution of a superconductor disclosed by the invention, the defects in the prior art that a deformation measuring sensor is poor in adaptability, poor in validity of measured data, poor in measurement accuracy, low in detection precision and the like can be overcome, thereby achieving the advantages that a deformation measuring sensor is good in adaptability, good in validity of measured data, good in measurement accuracy and high in detection precision.

The invention relates to a close-range electromagnetic measurement method and system, and the method comprises the steps of setting a height collection subsystem which is used for measuring the heightof an antenna in real time; dividing the measurement areas in a measurement field, scanning a target body in a vertical interval by adjusting the height of an antenna at a starting point of each measurement area, and recording the corresponding actual field intensity distribution to obtain a reference height value of the corresponding measurement area; starting a carrier vehicle to execute the antenna circular motion to scan a to-be-measured target, acquiring the radar data, and establishing an antenna three-dimensional trajectory model in the scanning process through the height collection subsystem and the carrier vehicle GPS acquisition information; and in combination with the reference height value of each measurement area, performing compensation correction on each acquisition point of the antenna three-dimensional trajectory model and the corresponding radar data to obtain the corrected target close-range electromagnetic measurement data. According to the invention, the radiationgain of the electromagnetic wave emitted by the antenna in the space of the target can be compensated in the measurement process, and the measurement accuracy is improved.

The present invention discloses a pin hole position degree test tool by employing a camshaft cam. The tool comprises a test tool body, a location slide block part and a measurement device. The location slide block part is arranged on the test tool body; the location slide block part comprises a slide block module, and the lower end of the slide block module can be in contact with a tested camshaft; the measurement device is arranged at the end portion of the test tool body, and comprises a sliding sleeve support and a slide measurement pin, the upper portion of the sliding sleeve support is applied and fixed to the lower body surface of the test tool body, and the lower portion of the sliding sleeve support is combined with a cylinder; a through hole is arranged at the axis of the cylinder; and the slide measurement pin cooperates with the through hole. The test tool is compact in structure, and convenient, accurate, efficient and safe in measurement process.

The invention discloses a device for simulating human vocal cord vibration. The device comprises a vocal cord model channel, a vocal cord model, a frequency conversion device, a vacuum pump, an air measurement system, a vibration measurement system, a particle picture speed measurement system, a data acquisition card and a computer, wherein the frequency conversion device is connected with the vacuum pump, and the vacuum pump is arranged at one end of the vocal cord model channel; the air measurement system and the vibration measurement system are arranged on the vocal cord model channel, and output ends of the air measurement system and the vibration measurement system are both connected with the data acquisition card; and the data acquisition card is connected with the computer. A method for simulating the human vocal-cord vibration by using a physical model is designed by the invention; and an emulational vocal cord is simulated by adopting a spring-mass block-damping model theory, and a particle picture speed measurement device is induced, which provides a support for researching and establishing a relation between the vocal cord and a sound production parameter. The method can be used for providing a support for medical researches of vocal cord vibration characteristics and the like under different sound production conditions and different pathological change conditions.

The invention discloses a hole site measuring device. The device comprises a guide post, a measuring head, a zero setting ring, a front end fixing ring, a middle fixing ring and a rear end fixing ring, a measuring head is arranged below the guide column; the upper end face of the probe contacts with the lower end face of the front-end fixing ring. A middle fixing ring is mounted on the front end fixing ring; a disc in the middle of the guide column is located in the middle fixing ring. A rear end fixing ring is mounted on the middle fixing ring; a measuring assembly is arranged around the sideface of the rear end fixing ring, a measuring rod of the measuring assembly makes contact with the top of the guide column, the front end fixing ring and the measuring head are sleeved with the zerosetting ring, and the measuring assembly can be arranged in two modes of being externally connected with a dial indicator and internally provided with a sensor and can be used for accurately and rapidly measuring the position of a hole.

The invention discloses a pyrolysis product monitoring device and method based on a P-Q regression model of phenolic resin low-temperature pyrolysis gas, and belongs to the field of gas monitoring. At present, the capability of monitoring fire accidents caused by fire breakout of flammable thermal insulation wall materials is insufficient. The pyrolysis product monitoring device based on a P-Q regression model of phenolic resin low-temperature pyrolysis gas is used for collecting and preparing a pyrolysis gas product released after low-temperature pyrolysis of a phenolic foam thermal insulation material in real time, measuring the pressure parameter P of the gas, the total yield Q of the gas and the time S, establishing a P-Q regression model, and converting into a danger judgment index k through an algorithm; if detection data of the phenolic foam thermal insulation material is greater than the danger judgment index k, the phenolic foam thermal insulation material is subjected to low-temperature pyrolysis and generates toxicity. According to the invention, data detection can be carried out on the phenolic foam thermal insulation material in real time, safety protection can be carried out according to a detection result, and personnel poisoning caused by toxic gas generated by low-temperature pyrolysis of the phenolic foam thermal insulation material can be avoided with high probability.

The invention relates to an automatic coal density testing device which comprises a metering unit, a water supply unit and a sampling unit, wherein the metering unit comprises a metering storage tank,a weighing metering part and a liquid level metering part; the weighing metering part is arranged below the metering storage tank; the liquid level metering part is used for metering the liquid levelof the metering storage tank; a discharge valve is arranged at the bottom of the metering storage tank; the water supply unit is communicated with the metering storage tank and is used for supplyingwater into the metering storage tank; the sampling unit is arranged on one side of the metering storage tank and is used for grasping a coal sample into the metering storage tank. Due to adoption of the metering unit, the water supply unit and the sampling unit, the automatic coal density testing device provided by the invention is capable of automatically supplying water and taking samples, so that automatic coal density testing is achieved, and problems that a conventional automatic coal density testing device is difficult in sampling, tedious in measurement, high in cost, large in labor andtime consumption, low in measurement precision, and the like, are solved.

The invention discloses a relative height measuring device which comprises a host computer, a microprocessor module, as well as an array type gas pressure sensor module, a power supply module, a liquid crystal display module and a serial port communication module which are respectively connected with the microprocessor module. A measuring method employing the relative height measuring device comprises the following steps: accomplishing a genetic algorithm optimized BP (Back Propagation) neural network in a host computer, transmitting obtained weights, thresholds and relative height calculation equations to the microprocessor module, acquiring gas pressure and temperature through the array type gas pressure sensor module and transmitting the gas pressure and temperature to the microprocessor module, processing the received air pressure and temperature through the microprocessor module so as to obtain the relative height, and transmitting the result to the liquid crystal display module to be displayed and stored in the host computer. With the combination of software and hardware, noise can be suppressed, useful signals can be recovered, enhanced and extracted, and the great precision and stability are achieved.

A breaker switch direct current resistance measuring device. The outer diameter of a conductive cylinder is smaller than the inner diameter of a cylindrical fixed rod of a tulip contact and the length of the conductive cylinder is larger than that of the tulip contact, a lead is connected with an outer wall at the rear end of the conductive cylinder, the measuring device also includes a push-pull rod and a circular-truncated-cone-shaped supporting block, a plurality of notches are arranged on a side wall at the front end of the conductive cylinder along a circumferential direction, both the push-pull rod and the supporting block are located inside the conductive cylinder and the supporting block is located in front of the push-pull rod, the supporting block, the push-pull rod and the conductive cylinder are coaxially arranged, the diameter of the front end of the supporting block is larger than the inner diameter of the conductive cylinder and the diameter of the rear end is smaller than or equal to the inner diameter of the conductive cylinder, the front end of the push-pull rod is fixedly connected with the rear end of the conductive cylinder, and the rear end of the push-pull rod is located outside the conductive cylinder. Measured data are accurate, a direct current resistance value of a breaker switch can be reflected accurately, unnecessary loss is not caused to generation of electricity, a complicated process of dismounting and mounting the tulip contact is omitted, and the breaker switch direct current resistance measuring device is simple in structure and convenient to operate, and saves both time and labor.

The invention discloses a special detection device for a template, which comprises two horizontal rectangular pipes arranged in parallel vertically; one end of one horizontal rectangular pipe is connected with one end of the other horizontal rectangular pipe via two sections of a vertical rectangular pipe; the horizontal rectangular pipes are connected with the vertical rectangular pipe via rotating shafts (5); the upper section and the lower section of the vertical rectangular pipe are connected by a rotating shaft (5); a plumb (4) is hung below the top horizontal rectangular pipe (1); and an instrument pointer (7) is arranged on the upper section of the vertical rectangular pipe (2). The tool can effectively detect verticality of the template in an erection process and re-detect the verticality of the template after reinforcement. The tool can be operated by a single person, and is simple to operate, and measured data are accurate. The tool effectively improves the working efficiency of an operator and the construction quality of template engineering at the same time.