60 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 utility model provides test equipment, which comprises a box body, an adjusting assembly and a test assembly, and is characterized in that the box body is provided with an inner cavity; the adjusting assembly is arranged in the inner cavity and used for adjusting the temperature and humidity in the inner cavity; the testing assembly comprises a clamping device, an acting device and a measuring device, the clamping device and the acting device are both arranged in the inner cavity, the clamping device is provided with a clamping groove suitable for clamping a tested piece, the acting device is arranged on the opening side of the clamping groove, and the acting device can move towards the clamping device to apply acting force to the tested piece; the measuring device is arranged on any one of the acting device and the clamping device so as to measure the acting force borne by the measured piece. The test equipment provided by the utility model can measure the structural strength of the tested product in different temperature and humidity environments.

The invention relates to the technical field of fuel cell membrane humidifiers, and particularly discloses a fuel cell membrane humidifier humidity testing device, which comprises a base in which a gas channel is arranged; the top cover is sequentially provided with a first probe insertion hole, a second probe insertion hole and a wet bulb gauze lead hole, the first probe insertion hole and the second probe insertion hole are both communicated with the gas channel, a communication groove is communicated between the wet bulb gauze lead hole and the second probe insertion hole, and the top cover is in sealed connection with the base; a ball head of the dry bulb hygrometer is inserted into the first probe insertion hole; a bulb of the wet bulb hygrometer is inserted into the second probe insertion hole; one end of the gauze is sleeved on a bulb of the wet bulb hygrometer, and the other end of the gauze is communicated to the outside of the top cover after sequentially passing through the communicating groove and the wet bulb gauze lead hole. The device can be used for rapidly testing the dry and wet conditions of the gas at the proton exchange membrane of the fuel cell membrane humidifier, and is simple in structure, short in response time and high in precision.

The utility model discloses a mobile environmental perception simulation rack, which belongs to the technical field of equipment and product testing and comprises supporting legs, rollers are fixedly connected to the lower portions of the supporting legs, a detection table is fixedly connected to the supporting legs, an acrylic cover plate is fixedly connected to the outside of the detection table through hinges, and the acrylic cover plate is fixedly connected to the outside of the detection table through hinges. And the back surface of the detection table is fixedly connected with a water spraying device for sucking water flow. According to the utility model, when a humidity test is needed, the water pump is started, the water pump sucks water in the water tank from the first pipeline through suction force, the water is pressurized by the water pump and conveyed to the shunt pipe through the second pipeline, and the water flow is distributed by the shunt pipe, conveyed to the nozzle through the hose and uniformly sprayed to the surface of a workpiece on the detection table from the nozzle; if the temperature of the spraying water flow needs to be controlled, the heating rod is started to heat the water in the water tank, and after the water temperature is adjusted to a specified temperature, the water is conveyed to the spray head by the water pump for spraying test, so that the test requirements under specific temperature and humidity conditions are met.

The invention discloses a device and a method for testing spectral performance of a laser film in a variable vacuum humidity environment, and belongs to the technical field of laser film spectral measurement. The equipment comprises an optical test cavity, a vacuum acquisition and regulation module, a humidity regulation module and a control system, the optical test cavity is butted with a test light path of the spectrophotometer and is used for placing a sample to be tested; the vacuum obtaining and regulating module regulates the vacuum degree in the cavity, the humidity regulating module regulates the humidity in the cavity, and the control system coordinates all the modules to work. According to the invention, by efficiently coupling the variable vacuum humidity test cavity and the spectrophotometer, the in-situ test of the multi-band transmittance of the laser film in different vacuum degrees and different humidity environments is realized, and the problem that the traditional atmospheric environment test cannot truly reflect the performance of the film in a variable vacuum and variable humidity composite environment is solved; and a key technical support is provided for design optimization and reliability evaluation of the laser film.

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.

The application belongs to the technical field of humidity sensing, and particularly relates to a capacitive humidity sensor based on a chitosan / sodium chloride / silicon dioxide composite humidity-sensitive material and a preparation method thereof. The humidity sensor comprises, from bottom to top, a silicon substrate, a silicon dioxide insulating layer, a platinum interdigital electrode and a composite humidity-sensitive material layer, and the composite humidity-sensitive material layer is a chitosan / sodium chloride / silicon dioxide composite material. The interdigital electrode is prepared by a stripping process, the chitosan-based composite humidity-sensitive film is prepared by a drop coating method, and a humidity response test is performed by using a humidity test system. The capacitive humidity sensor based on the chitosan / sodium chloride / silicon dioxide composite humidity-sensitive material has the characteristics of high sensitivity and fast response, is low in cost, green and environmentally friendly, simple in preparation process, and is expected to realize real-time monitoring of humidity.

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.

This invention discloses a proton exchange membrane proton conductivity testing device, relating to the field of fuel cell proton exchange membrane performance testing technology. It includes a clamping assembly and a connecting assembly. The clamping assembly includes a first clamping member and a second clamping member. The first clamping member has multiple through-holes, and the second clamping member has multiple through-holes, with the multiple second through-holes corresponding to and communicating with the multiple first through-holes. The connecting assembly includes a connector that connects the first and second clamping members and can drive the first and second clamping members to move closer or further apart. Because the fuel cell testing fixture and the proton exchange membrane can be connected through multiple first or second through-holes without excessive obstruction, the proton exchange membrane can quickly reach the preset temperature and humidity, resulting in high testing efficiency and accurate proton conductivity testing.

This invention provides a detection chip, a temperature detection system, and a humidity detection system. By utilizing the chip's existing I / O structure's output drive circuit and input Schmitt trigger circuit, along with a digital control logic module and peripheral sensors, temperature and humidity testing functions can be achieved. The structure is simple and easy to implement, requires fewer additional circuit components, improves testing accuracy, and the reference resistor can be designed inside the chip, resulting in a smaller area and lower cost.

1. The name of the design product: signal generator (MG02F / MG04F). 2. The use of the design product: for the test, calibration, research and development, aging test and temperature and humidity test of the LCD size vehicle terminal product. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

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.

1. The name of the design product: signal generator (SG08G). 2. The use of the design product: used for MicroOLED watch, VR, AR and other terminal product aging test, temperature and humidity test. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model relates to the field of constant-temperature and constant-humidity testing machines, and discloses a constant-temperature and constant-humidity testing machine which comprises a testing machine body, placing plates are arranged on the inner wall of the top end of the testing machine body, the top ends of the placing plates are elastically connected with sliding blocks through reset springs, the number of the placing plates is two, and the two placing plates are fixedly connected through supporting columns. A connecting plate is hinged to the outer wall of the sliding block through a hinge rod, a fixed plate is fixedly connected to the top end of the connecting plate, a movable plate is slidably connected to the top end of the placing plate, a limiting block is elastically connected to the outer wall of the sliding block through a positioning spring, and an adjusting mechanism is arranged at the top end of the placing plate. According to the flat plate fixing device, the fixed plate and the movable plate can be matched to stably fix the flat plates by moving the sliding blocks, the limiting blocks can be automatically connected with the supporting columns in an inserted mode for limiting, fixation of a plurality of flat plates can be relieved at the same time, and fixation of a single flat plate can be relieved by rotating the threaded rods to adjust the position of the movable plate.

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.

1. Name of the product in this design: Test Chamber (Desktop Constant Temperature and Humidity). 2. Purpose of this design: This design is used to simulate the temperature and humidity of the product under test in environmental testing, and to test the performance and lifespan of the product under low temperature and low humidity, high temperature and high humidity, and fixed temperature and humidity conditions. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model provides a constant temperature and humidity experiment machine for a PE adhesive-free self-adhesive film, and relates to the technical field of film processing, the constant temperature and humidity experiment machine comprises a bearing air circulation assembly and a material conveying mechanism, the upper side of the bearing air circulation assembly is provided with an opening and closing part assembled by a bolt, and the opening and closing part is provided with a material conveying mechanism. A constant-temperature humidifying mechanism assembled through bolts is arranged on the inner bottom side of the bearing air circulation assembly, a material conveying mechanism assembled through bolts is arranged on the inner edge side of the bearing air circulation assembly, and the material conveying mechanism comprises bolt side pieces, a driving motor, an insertion air cylinder, a spline plug pin, a raw material frame, side frame pieces and a carrying rod set. The bolt side pieces are connected to the inner side of the bearing air circulation assembly in a bolted mode. According to the utility model, the driving motors at the two ends of the raw material frame are mainly used for outputting power to rotate, so that the spline bolts, the raw material frame and the carrying rod groups on the inner sides of the side frame sheets are subjected to uninterrupted reciprocating transmission, and the effect of uniform treatment in the heat-moisture treatment process is achieved.

The invention relates to the technical field of clay testing devices, in particular to a clay hardness sensing testing device. Comprising an extrusion plate, a test box main body and a test part, the extrusion plate is arranged on the upper side of the test box main body, the test part is arranged on the lower side of the test box main body, a plurality of detection areas are arranged at the bottom of the test box main body, and each detection area comprises a separation layer, a heating module and an extrusion hole from outside to inside; the extrusion hole penetrates through the bottom of the test box main body; the testing part comprises a humidity testing plate and a plurality of hardness testing parts. According to the invention, a plurality of functional modules such as extrusion, heating, hardness testing and humidity testing are integrated. Through transmission mechanisms such as the telescopic arm and the guide screw rod, automatic and continuous testing of a plurality of detection points is realized, the detection efficiency is greatly improved, and manual operation is reduced.

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.

1. The name of the design product: signal generator (SG04G). 2. The use of the design product: for OLED watch, mobile phone, folding screen and other terminal product aging test, temperature and humidity test. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

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.

1. The name of this design product: Soil Humidity Tester. 2. Purpose of this design product: used to measure soil moisture. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The present invention belongs to the technical field of constant temperature and humidity test devices, and discloses a walk-in constant temperature and humidity test machine, including a test chamber, the top of the inner cavity of the test chamber is movably connected with a reduction assembly, the bottom end of the reduction assembly is fixedly connected with a notched gear, the top of the inner cavity of the test chamber is fixedly connected with a coil spring barrel, the bottom end of the coil spring barrel is fixedly connected with a pulling gear, the inner cavity of the coil spring barrel is fixedly connected with a connecting rope, the bottom end of the connecting rope is fixedly connected with a scraping rod, the rear side of the inner cavity of the test chamber is fixedly connected with a guide column, and the top of the inner cavity of the test chamber is fixedly connected with a spring assembly 1. The present invention realizes the removal of water droplets in the inner cavity of the test chamber, thereby preventing the residual water droplets from affecting the accuracy of subsequent test data, and realizes the cleaning of the inner cavity of the test chamber, and also speeds up the subsequent construction of a constant temperature and humidity environment.

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 belongs to the field of environmental geotechnical engineering, and particularly relates to a gas barrier performance model of a composite covering barrier under dry-wet cycle and freeze-thaw cycle, comprising: a container which is in a sealed state, is internally provided with a simulated soil layer and a geosynthetic clay liner, passes through the simulated soil layer and the geosynthetic clay liner from bottom to top and has airflow for testing the gas barrier performance; pressure, temperature and humidity testing parts are arranged on the container along the arrangement direction of the simulated soil layer; a rainfall simulation module, a drying simulation module and a freeze thawing simulation module are arranged at the upper part of the container in a switchable manner and are used for influencing an experimental environment of an upper simulated soil layer; and the data monitoring system comprises a pressure gauge and a temperature-moisture sensor which are arranged on the container, and is in signal connection with a network data collector and a cloud platform. According to the invention, dry, wet and freeze-thaw circulation environments are simulated by replacing the module, and the device is used for evaluating the gas barrier performance of a covering barrier barrier or other porous media in the service period.

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 automatic environment monitor comprises an upper shell, a lower shell and a circuit board assembly, a photosensitive area is arranged at one end of the surface of the upper shell, a solar photovoltaic panel is arranged at the other end of the surface of the upper shell, a display screen is arranged in the middle of the surface of the upper shell, a switch and a temperature and humidity sensing port are arranged on one side of the upper shell and one side of the lower shell, and the photosensitive area comprises a reflecting groove and a cosine corrector. The circuit board assembly comprises a Bluetooth main chip, a light sensor and a temperature and humidity sensor. The Bluetooth main chip is electrically connected with the solar photovoltaic panel, the display screen, the standby battery, the light sensor and the temperature and humidity sensor. According to the automatic environment monitor, the testing precision of ambient light is improved, the authenticity and accuracy of temperature and humidity testing are improved, and energy and electricity are saved. A user can quickly set a proper parameter without professional measurement conditions so as to control a lamp product to work in a required environment area. The automatic environment monitor is compact and small in overall structure, small in occupied space, attractive in appearance and convenient to carry.