27 results about "Humidity Testing" patented technology

The invention belongs to the technical field of road engineering roadbed nondestructive testing, discloses a roadbed humidity nondestructive testing method based on wireless radio frequency signal multi-parameter inversion, and aims to solve the problems that a traditional roadbed humidity testing method is destructive, low in efficiency and discontinuous in monitoring or detection parameters are easily interfered. The method specifically comprises the following steps of: firstly, embedding an RFID tag and acquiring an on-site received signal strength indication value; then establishing a relation model of the received signal strength indication value and the roadbed moisture content, and extracting characteristic parameters only influenced by the moisture content; then, constructing a neural network model, taking the extracted characteristic parameters as input, and utilizing field data to train the model to invert the roadbed moisture content; and finally, the spatial distribution of the moisture content of the roadbed is obtained by combining the distribution of the test points and the roadbed structure information, so that the efficient, non-contact and continuous monitoring of the humidity state of the roadbed is realized.

The present application relates to a kind of finished shoe detection equipment, especially a kind of shoe inner temperature and humidity test equipment, including the test box with inner cavity, the upper portion of the inner cavity is provided with fixed rod, crank, rocker and connecting rod, the fixed rod, the crank, the rocker and the connecting rod jointly constitute crank rocker mechanism, the crank is drivenly connected with variable frequency motor, the rocker is fixedly connected with swing rod or swing frame, the lower end of the swing rod or the swing frame is detachably fixedly connected with simulation foot, the simulation foot is provided with cavity, the simulation foot is opened with air hole, and the outer surface of the simulation foot is covered with single-sided film temperature and humidity sensor, the cavity is provided with heating component and humidifying component.The present application can relatively accurately evaluate the temperature and humidity change condition in shoe by adopting the above technical scheme when wearing shoes, and the temperature and humidity in shoe are directly related to the comfort of wearing shoes.

This invention discloses a waterproof testing device and a humidity testing method, relating to the field of waterproof testing technology. The waterproof testing device includes a testing chamber, a vacuum structure, and a stage mechanism. The testing chamber has an air intake nozzle and a detection chamber, which are connected. The detection chamber is equipped with a humidity sensor. The vacuum extraction port of the vacuum structure is connected to the detection chamber. The stage mechanism includes a mounting base, a first heating component, and a driving component. The mounting base is used to fix the humidity test piece. The first heating component is disposed on the mounting base and used to heat the humidity test piece. The driving component is drivenly connected to the mounting base to drive the humidity test piece to move closer to or away from the air intake nozzle, so that the air outlet of the humidity test piece aligns with the air intake nozzle. The technical solution provided by this invention can improve the accuracy and reliability of the test data.

This invention relates to the field of environmental reliability testing equipment technology, specifically disclosing an automated control device for comprehensive environmental testing, including a base plate, a vibration table, and a temperature and humidity test chamber. A lifting frame is mounted on the top of the base plate, and the lifting frame is connected and fixed to the temperature and humidity test chamber via a vibration damping mechanism. A vibration base is mounted on the top of the base plate, and the vibration table is mounted on top of the vibration base. A groove is formed at the bottom of the temperature and humidity test chamber, and a mounting plate is installed inside the groove. Two movable plates are installed at the bottom of the mounting plate, each with a first cleaning mechanism at its bottom end and a second cleaning mechanism at both ends. In this invention, before use, the vibration table and the temperature and humidity test chamber are automatically cleaned by the first and second cleaning mechanisms, preventing dust and metal parts from entering between the table and the chamber, indirectly extending the service life of the entire device.

The utility model belongs to the technical field of environment-friendly articles for daily use, and discloses a paper use monitoring device with visual feedback. The device comprises an outer shell, an operation module, a display screen, a power supply module and an infrared induction module. The top of the outer shell is provided with a tissue extraction groove, a tissue storage box is placed in the outer shell, and the bottom is detachably connected with a bottom plate. The infrared induction module comprises an infrared transmitter and a receiver which are arranged on the two sides of the paper extraction groove and is used for monitoring paper extraction actions and triggering signals to be transmitted to the operation module. The operation module calculates the tissue usage amount, the carbon emission amount and the equivalent cut tree number according to a preset algorithm, and displays the same in real time through the display screen. In addition, the device is further provided with a temperature and humidity tester used for measuring and displaying environment temperature and humidity. According to the utility model, visual feedback is realized through the display screen, so that a user can intuitively know paper consumption and environmental protection contribution, paper saving is advocated, and environmental protection awareness is improved. The system is simple in structure, convenient to operate, capable of achieving real-time feedback and suitable for families, offices and other scenes.

The invention provides a humidity test box for a small optical fiber device. The humidity test box comprises three box bodies (a humidifying box body, a drying box body and an experiment box body), a small ultrasonic humidifier, a humidity detector, a circulating pump, a humidity controller, an external Bluetooth remote controller, an optical fiber flange interface, a one-branch three-way control valve, a Y-shaped branch guide pipe, an air tap, a hard pipe, a hard pipe valve and a drying device. A small ultrasonic humidifier and a humidity controller are arranged in the humidifying box body and are controlled through an external Bluetooth remote controller; humidity detectors are arranged on the inner walls of the experiment box body and the drying box body; the three box bodies form a gas communication network through hard pipe valves, hard pipes, Y-shaped branch guide pipes and one-branch three-way control valves; the optical fiber flange interfaces are positioned on two side walls of the experiment box body; by means of the structure, large-range humidity adjustment from 10% RH to 90% RH can be achieved; connection between the optical fiber and the outside is supported; the system has the characteristics of low cost, low power consumption and low noise.

The utility model discloses a kind of detection structure of glue coating humidity, comprising: connecting frame, two stop blocks, reciprocating screw module and humidity tester.Detection structure is installed to the rack of compound machine, according to the width of film, cloth and other composite materials, the position of two stop blocks is adjusted, film, cloth and other after being coated with glue by gluing roller, before compounding, first pass through detection structure, the humidity of glue coating is detected by humidity tester.In this detection process, reciprocating screw module makes humidity tester slowly move back and forth (can be set multiple planetary gear reduction gearbox between motor and reciprocating screw), the glue coating of different positions is measured, when measurement data long time remains not in the set suitable range, compound machine is suspended to handle, especially gluing roller position.It has beneficial effect: the glue coating of different positions can be measured, also can be more quickly and conveniently adapted to different width film, cloth and other composite materials.

The utility model provides a kind of soil humidity test comparison device, belong to soil environment monitoring field, including installation platform, detection component and adjusting component;The bottom end of installation platform is surrounded and is installed with multiple hinged supports, the utility model: inside the installation sleeve is rotatably installed with lead screw, when rocker is driven by transmission rod to rotate worm, worm drives the worm gear at the top end of lead screw to rotate, so that lead screw rotates inside installation sleeve, the slider on the surface of lead screw rotation drives to rotate, since the two sides of slider are installed with limit block and limit block is slidably inserted in the strip limit slot opened in the surface of installation sleeve, so that the slider on the surface of lead screw rotation slides along strip limit slot and lifts, slider sliding lift drives humidity detection probe installed at the bottom of hollow column to insert into soil interior, so as to adjust the depth of humidity detection probe inserted into soil, different depth soil can be detected, and the obtained multiple sets of data are used to realize comparison analysis of soil humidity.

This invention discloses a voltage detector insulation rod testing device, including a frame and a testing cylinder mounted on the upper part of the frame. The bottom of the testing cylinder is filled with water, and a notch is formed on the left side wall of the testing cylinder. A rotating shaft is rotatably connected between the front and rear inner walls of the testing cylinder. Four sets of drive rods are circumferentially mounted on the outside of the rotating shaft. Each drive rod has an arc-shaped baffle plate that passes through and is fixedly connected to it. Each end of the drive rod is equipped with a placement component for placing the insulation rod body. The four arc-shaped baffle plates cooperate with the testing cylinder to form a material handling area, a cleaning area, a high-temperature and high-humidity testing area, and a normal-temperature and normal-humidity testing area. This invention also discloses a voltage detection method for the voltage detector insulation rod testing device. In practical use, this solution can achieve continuous testing, improving testing efficiency. In addition, during the testing process, insulation testing under high-temperature and high-humidity environments can be simulated, making it more suitable for actual testing needs.

The present application belongs to the technical field of aging product test equipment, and in particular to a temperature and humidity test method and device for automatically adjusting PID parameters with load power variation, which comprises a temperature and humidity chamber, a load for adjusting the temperature and humidity environment in the temperature and humidity chamber, a temperature and humidity control module, a PID algorithm adjustment module, a load power consumption measurement module, and an alarm module. The load power consumption measurement module is used to collect the power consumption of the load in real time through a power sensor and transmit it to the PID algorithm adjustment module, which generates PID parameters according to the power data. The temperature and humidity control module receives the PID parameters from the PID algorithm adjustment module and controls the working power of the load according to the PID parameters, adjusts the temperature and humidity in the temperature and humidity chamber to the preset value, and dynamically adjusts the PID parameters with the power variation of the load through the adaptive algorithm in the PID algorithm adjustment module, so that the device can adapt to stable operation in various scenarios such as no load, light load, half load, full load, etc.

The present application belongs to the technical field of road engineering subgrade nondestructive testing, and discloses a subgrade humidity nondestructive testing method based on wireless radio frequency signal multi-parameter inversion. In order to solve the problems of traditional subgrade humidity testing methods, such as destructiveness, low efficiency, discontinuous monitoring and easily disturbed testing parameters, the specific process is as follows: first, burying RFID tags and obtaining the received signal strength indication value; then, establishing a received signal strength indication value and subgrade moisture content relationship model, and extracting a characteristic parameter affected only by moisture content; then, constructing a neural network model, taking the extracted characteristic parameter as input, and using field data to train the model to invert the subgrade moisture content; finally, combining the test point distribution and subgrade structure information, obtaining the spatial distribution of the subgrade moisture content, and realizing efficient, non-contact and continuous monitoring of the subgrade humidity state.

The invention discloses a high-temperature-resistant and high-humidity-resistant protective film adaptive to printing ink and a preparation method thereof, and belongs to the technical field of polyurethane protective films. The high-temperature-resistant and high-humidity-resistant protective film adaptive to the printing ink is sequentially provided with a base material layer, an acrylic acid modified polyurethane adhesive layer and a release film layer from top to bottom, the acrylic acid modified polyurethane adhesive layer comprises the following components in parts by weight: 100 parts of polyurethane resin, 10-20 parts of acrylic resin, 5-20 parts of a curing agent, 0.1-2 parts of an antistatic agent and 0.1-2 parts of a catalyst; wherein the polyurethane glue is prepared from polycarbonate polyol and polyether polyol according to the mass ratio of (60 to 80): (20 to 40). The high-temperature-resistant and high-humidity-resistant protective film does not react when being attached to a printing ink area at high temperature and high humidity, is good in hydrolysis resistance, does not have rime fog after being subjected to a 85 DEG C * 85% RH humidity test for 240 hours, and is low in aging climbing and easy to uncover after being subjected to a high-temperature and high-humidity test; and the exhaust performance is good, the segment difference landfill performance is good, and bubbles are not prone to being generated at high temperature and high humidity.

The embodiment of the invention provides a wind driven generator variable pitch system comprehensive test platform for simulating a double-layer active temperature control environment, and relates to the technical field of wind driven generator test. The platform comprises a first-stage environment chamber and a second-stage environment cabinet. Wherein the first-stage environment chamber is used for accommodating a variable pitch system and forming a closed space, and the first-stage environment chamber is used for simulating a unit-stage environment where the variable pitch system is located. The second-stage environment cabinet is arranged in the first-stage environment chamber, and the second-stage environment cabinet is used for accommodating electrical elements in the cabinet body of the variable pitch system and is used for simulating a component-level environment in the cabinet body of the variable pitch system so as to carry out temperature and humidity testing on the component-level environment in the cabinet body of the variable pitch system. According to the comprehensive test platform for the variable pitch system, double-layer simulation of a unit-level environment and a component-level environment can be realized, and the problem that a test environment does not conform to an actual operation environment is fundamentally solved.

The utility model discloses a device for measuring the drying speed of a coating film under controllable humidity, which comprises an electronic balance body and a frame body, the frame body comprises a framework and a front side plate, a top plate, a rear side plate, a left side plate and a right side plate which are arranged on the framework, and the front side plate and the top plate are respectively arranged on the front side and the top of the framework in a sliding mode. A humidity testing device is installed in the frame body through a supporting mechanism, a humidifier is arranged on one side of the frame body, the humidifier is connected with a mist distribution mechanism arranged in the frame body through a guide pipe, and the electronic balance body is further connected with a timer. The device is suitable for accurately measuring the drying speed and time of a coating film under different humidity, the humidity in the frame body is adjusted through the humidifier, the volatilization mass of a solvent or moisture in the coating film is weighed through the electronic balance body, the drying time of the coating film is measured through the timer, and the drying speed and time of the coating film are accurately measured through the volatilization mass of the solvent or moisture in the coating film under the set humidity. And regularly recording the volatilization rate of the solvent from the coating, and finally determining the drying time of the coating.

The invention discloses a method for detecting optical performance of a Micro LED in temperature and humidity environments, relates to the field of optical performance detection, and solves the problem that the optical performance detection result is inaccurate. The method comprises the following steps: placing a to-be-detected LED on a sample carrying table, and setting multiple groups of temperature and humidity testing environments of the to-be-detected LED based on the specification of the to-be-detected LED; adjusting the environment where the to-be-tested LED is located to any group of temperature and humidity testing environments, and respectively collecting microscopic images and spectral images of the to-be-tested LED in the corresponding temperature and humidity testing environments; analyzing the brightness condition of the to-be-detected LED according to the microscopic image to obtain a brightness detection result of the to-be-detected LED; analyzing the chromaticity condition of the to-be-detected LED according to the spectral image to obtain a chromaticity detection result of the to-be-detected LED; according to the method, the brightness and the chromaticity are analyzed, and accurate detection of the optical performance of the to-be-detected LED is achieved.

The utility model discloses an environment simulation test mechanism for chip detection, which comprises a base, the top of the base is connected with a platform through a vibration assembly, and the top of the platform is connected with an environment detection box through a clamping assembly. According to the environment simulation test mechanism for chip detection, the cover plate is conveniently fixed to the top of the environment detection box through the auxiliary assembly, collision detection is conveniently conducted on a chip in the detection cavity through the arranged vibration assembly, and the environment detection box is conveniently fixed to the top of the platform through the arranged clamping assembly; a chip is placed at the top of a placement plate through the interior of the environment detection box, circulation starting is facilitated through a refrigerator and a heater, the placement plate is heated or refrigerated through a corresponding connecting rod, a first guide ring and a second guide ring, and then cold and hot circulation is conducted on the chip; and the other end of the arranged connecting pipe is connected with an external water tank, so that water mist can be conveniently sprayed into the detection cavity through the interior of the atomization nozzle, and the humidity in the detection cavity can be conveniently tested.

The utility model discloses a radar cover humidity tester, which belongs to the technical field of radar humidity testing equipment and comprises a fixed ring mounted on the inner side wall of a radar cover body, a movable ring is arranged on the inner side of the fixed ring, and a guide sleeve is mounted on one side of the top of the movable ring in a penetrating manner. And a protective mounting bin is mounted on the outer side wall of the guide sleeve, an arc-shaped arm is arranged in the guide sleeve, and the arc-shaped arm penetrates through the protective mounting bin. According to the utility model, the fixed ring is provided with the driving mechanism used for driving the movable ring to rotate, the protection installation bin is internally provided with the execution mechanism used for driving the arc-shaped arm to move, and the arc-shaped arm is arc-shaped, so that the humidity in the radome is tested; the humidity testing assembly body can be driven to move to a designated point position in the radome body for testing through rotation of the movable ring and movement of the arc-shaped arm, and therefore humidity testing can be more comprehensive.

The utility model is suitable for the technical field of organic fertilizers, and provides a biological organic fertilizer moisture regulator which comprises a conveying belt, a feeding hopper arranged above the front side of the conveying belt, a humidity tester arranged in the feeding hopper, baffles arranged on the two sides of the front end of the conveying belt, and a spreading plate arranged between the two baffles in a liftable mode. A drying assembly is arranged on the conveying belt and located at the rear end of the baffle, a U-shaped barrel and a collecting barrel are transversely arranged at the rear end of the conveying belt, an inclined plate is arranged at the rear end of the conveying belt, and guide plates extending into the U-shaped barrel and the collecting barrel are arranged on the two sides of the rear end of the inclined plate. According to the biological organic fertilizer moisture regulator, fertilizers in different states are separated through the material guide rod, so that the fertilizers in different states can respectively fall into the U-shaped barrel and the collecting barrel to be processed, and when the fertilizer moisture meets the requirement that drying or moisture mixing is not needed, the drying or moisture mixing process is not needed; and the working process is shortened, so that the production efficiency is further improved.

This invention provides a LiCl / cellulose nanofiber composite membrane and its preparation method, as well as an ion-conducting humidity sensor, belonging to the field of biomass nanomaterials technology. Using cellulose pulp as raw material, the invention dissolves cellulose in an N,N-dimethylacetamide (DMAc) / lithium chloride (LiCl) solvent system. During electrospinning, DMAc volatilizes into the air, while LiCl remains within the cellulose nanofibers. This method allows for the preparation of LiCl / cellulose nanofiber films with varying LiCl contents. The humidity sensor prepared in this way exhibits high sensitivity, a wide detection range, and a fast response / recovery time, making it suitable for applications such as human respiration monitoring and non-contact humidity testing. This invention provides a new approach for constructing novel cellulose-based humidity sensors.

This utility model provides an intelligent constant temperature and humidity testing device, belonging to the field of intelligent constant temperature and humidity testing technology. The intelligent constant temperature and humidity testing device includes an intelligent constant temperature and humidity testing machine body and a sealing door hinged to the opening of the machine body. The device is characterized by: a sealing plate installed inside the sealing door, which is sealed to the opening of the machine body; an flared groove matching the sealing plate at the opening of the machine body, with the inner wall of the flared groove sealingly connected to the side wall of the sealing plate; a rubber block integrally formed on the back of the sealing plate, matching the inner wall of the testing area of ​​the machine body; and a secondary sealing mechanism at the contact point between the rubber block and the machine body. This device effectively prevents outside air from entering through multiple sealing structures, ensuring a constant temperature and humidity environment inside, and is suitable for various testing scenarios with strict requirements for environmental temperature and humidity.

The utility model provides a fabric half-life period antistatic performance testing device, which relates to the technical field of fabric performance testing devices and comprises a constant-temperature and constant-humidity testing cavity, a static applying device, a dynamic monitoring system, a sample clamping system and a control system. The constant temperature and humidity test cavity is provided with a temperature and humidity sensor, a circulating air system and an electromagnetic shielding layer; the electrostatic applying device comprises a high-voltage electrostatic generator and a discharge electrode; the dynamic monitoring system comprises a non-contact electrostatic voltage detector array and a data acquisition module, and the probe array is formed by uniformly distributing 9-16 electrostatic voltage detectors; the sample clamping system comprises a conductive clamp and a tension sensor; the control system comprises an environmental parameter compensation module, a half-life period calculation module and a data analysis module. The static dissipation performance of the fabric can be accurately reflected by monitoring the static pressure intensity change of the surface of the fabric in real time through the probe array and combining with a stable test environment and environmental parameter compensation.

The system comprises an electric pile, a humidifier, an air compressor, a flow meter and an air filter, the humidifier, the air compressor, the flow meter and the air filter are connected through a gas main path, a bypass pipe is connected to the position, between a gas outlet of the electric pile and a gas inlet of the humidifier, of the gas main path, and a humidity sensor is installed on the bypass pipe. The bypass pipe is connected with a plurality of electric control three-way valves, the flow direction of air discharged from the air outlet of the galvanic pile is controlled through the electric control three-way valves, the temperature of the air at the air outlet of the galvanic pile is measured through the humidity sensor within the preset time, and when the galvanic pile works, the problem that the humidity sensor is flooded by water and fails can be avoided; a stable and accurate outlet humidity measurement result can be provided, the humidity test is intermittent measurement, the humidity test is carried out on the galvanic pile under different working condition points in the normal operation process of the galvanic pile, and the situation that the test result is inaccurate due to the fact that high-humidity gas purges a humidity probe for a long time is avoided.

The utility model relates to the field of concrete, in particular to a concrete wall humidity testing device which comprises a detection cover, an attaching ring is welded to the outer wall of one end of the detection cover, detection structures are installed on the outer wall of the top of the detection cover and the inner wall of the detection cover, and a first connecting base is installed in the center of the outer wall of one side of the detection cover. A connecting seat II is mounted in the center of the outer wall of the bottom of the detection cover; the detection structure comprises a humidity sensor mounted in the center of one side of the inner wall of the detection cover, a micro fan mounted on the outer wall of the top of the detection cover, and a cylindrical filter screen mounted on the inner wall of the top of the detection cover. After the miniature fan is started, gas in the detection cover is extracted through the cylindrical filter screen, the gas enters the detection cover from the fitting ring and concrete, after the humidity sensor is started, the humidity in the detection cover is detected, the drying condition of the concrete is judged, subsequent output is facilitated, and the detection accuracy is improved.

The utility model discloses a micro-water detection device of a high voltage cable, which comprises a cable (1) used for detection, the cable (1) is a cable (1) after water seepage, the cable (1) comprises a conductor (1.1), an insulating layer (1.2), a metal sleeve (1.3) and an outer sheath (1.4) from inside to outside, one end of the cable (1) is connected with a nitrogen pump (2), the output end of the nitrogen pump (2) is sleeved on the insulating layer (1.2), and the outer sheath (1.4) is sleeved on the outer sheath (1.4). The other end of the cable (1) is connected with a first humidity tester (3), and the input end of the first humidity tester (3) is sleeved on the insulating layer (1.2). The utility model provides the micro-water detection device for the high-voltage cable, which is low in maintenance cost, effective and small in work amount.

This invention discloses a device and method for controlling the steam thermal and humidity modulus of acetate tow. The device includes a cavity mechanism, a tow guiding and transmission mechanism, and a temperature and humidity testing component. The cavity mechanism includes a cavity with stainless steel nozzles symmetrically or staggeredly distributed on its upper and lower surfaces, providing steam via a steam generator. The temperature and humidity testing component includes an infrared temperature sensor and a capacitive humidity sensor to collect temperature and humidity data in real time. A PLC controls an electric proportional valve to dynamically adjust the pressure, thereby improving the uniformity of temperature and humidity in the tow. The method automatically regulates the temperature and humidity within the cavity by adjusting the steam pressure, controlling the operating speed, and testing the heating efficiency, cooling efficiency, and humidification efficiency. This reduces the number of curls in the acetate tow to 14-18 per 25mm, and lowers the modulus by 40-60%. This invention achieves efficient modulus control with low energy consumption, is suitable for testing the performance of tows of different specifications, and provides technical support for optimizing fiber processing quality.

The utility model discloses a fatigue life testing device for a rod-shaped notched member, which relates to the technical field of life testing, and comprises a shell, a pressure component for testing the pressure of the notched member is arranged in the shell, and a humidity component for testing the humidity of the notched member is also arranged in the shell. A clamping assembly used for clamping the notch piece is arranged at the inner bottom of the shell, and an observation assembly used for observing the interior of the shell is arranged on one face of the shell. The pressure assembly comprises a hydraulic oil cylinder fixedly installed at the top of the shell, a lifting plate is fixedly installed at the output end of the hydraulic oil cylinder, a sliding rod is slidably connected into the lifting plate, a pressure sensor is fixedly installed at the bottom of the lifting plate, and a pressing plate is fixedly installed at the bottom of the pressure sensor. The lifting plate is driven by the hydraulic oil cylinder, the sliding rod is used for limiting, the pressure sensor is driven by the lifting plate, and the pressure gauge is driven by the pressure sensor, so that the pressure test on the notch part is realized.

The invention relates to the technical field of environment monitoring, in particular to a flood prevention and drought resistance early warning device and method.The flood prevention and drought resistance early warning device comprises a device body, mounting assemblies are arranged on the upper side and the lower side of the device body, fixing nails are arranged at the bottom end of the device body, and humidity testing assemblies are arranged on the inner sides of the fixing nails; a main control box is installed at the top of the device body, monitoring mechanisms are arranged on the periphery of the outer side of the main control box, and a standby battery is installed on the outer side of the device body. Monitoring equipment is introduced and comprises a wind speed sensor, a temperature detector, a water inlet tank and the like, the wind speed sensor can monitor wind speed changes in real time, the temperature detector is installed on the left side of a main control box, real-time temperature data are displayed through a temperature sensing displayer, an induction buoy is installed in the water inlet tank, and water level changes can be monitored through a dial gauge; the integration of these monitoring devices provides monitoring of environmental parameters, thereby more comprehensively assessing potential flood and drought risks.