311 results about "Temperature testing" patented technology

The invention provides a dynamic evolution measurement method for internal damage of a material in a high-temperature service environment, and mainly aims to solve the problem that the dynamic evolution process of micro defects such as micro holes and micro cracks in an engineering material in a high-temperature, high-pressure and closed environment is difficult to measure and the engineering problem that the life is not accurately predicted due to the holes. According to the technical scheme, a phased array nondestructive testing technology and a high-temperature testing machine are combined, the whole dynamic evolution process of the diameter of the micro-hole is actually measured, the function mapping relation between the micro-hole growth and displacement and the stress level is established, and the micro-hole diameter is accurately measured on the basis of the rigidity equivalence principle of a mechanical loading system of the testing machine. Therefore, the dynamic evolution measurement method for the internal damage of the material in the high-temperature service environment is obtained.

The invention relates to a combustible gas cloud explosion parameter testing device and method in an open space, and belongs to the technical field of combustible gas explosion safety protection. The test device comprises an explosion environment simulation system and a performance test system, and further comprises a combustible gas bottle, an air bottle, an inert gas bottle, a solid powder explosion suppression tank, a liquid explosion suppression tank, an ignition device and an explosion-proof fan, the explosion environment simulation system comprises a supporting platform and a shell located above the supporting platform, a closed space is formed between the shell and the supporting platform, and the closed space is used for performing explosion simulation on the combustible gas cloud; the ignition device is connected into the closed space through a circuit and is used for igniting combustible gas; the anti-explosion fan is used for blowing air to the outer surface of the shell; the performance test system comprises a temperature test system, a pressure test system, a concentration test system, a sound test system, a flame velocity system, a fluid microstructure system, a structural strain system, an image acquisition system and an obstacle.

The utility model discloses a thermal protector temperature testing device which comprises a testing assembly, a control panel and a wind wheel motor, the testing assembly comprises a wind barrel, a barrel cover assembly, an air duct basin, a centrifugal wind wheel and a socket frame, the socket frame is provided with conductive clamping pieces used for being electrically connected with a thermal protector, and the conductive clamping pieces are uniformly distributed in the circumferential direction. The barrel cover assembly covers the air barrel, the centrifugal wind wheel is arranged on the lower side of the air duct basin, a heating pipe is arranged on the outer side of the centrifugal wind wheel, the wind wheel motor is in driving connection with the centrifugal wind wheel, the conductive clamping piece is arranged above the air supply duct correspondingly, a ventilation opening is formed in the bottom of the air duct basin, and the position of the air suction end of the centrifugal wind wheel corresponds to the ventilation opening. A temperature sensor is arranged on the lower side of the socket frame, on-off indicating lamps are arranged on the control panel, the conductive clamping pieces are electrically connected with the corresponding on-off indicating lamps respectively, and the control circuit is electrically connected with the temperature sensor and the heating tube. The temperature testing device for the thermal protector is beneficial to improving the working efficiency and improving the effectiveness of quality inspection.

The invention relates to the technical field of stress and temperature testing devices, in particular to an energy storage cylinder thick wall stress and temperature testing device for compressing air, which comprises an air tank, a support frame and a control system, the output of the air tank is connected with a first pipeline, and a second pipeline is arranged outside the support frame; a gas booster pump is arranged between the first pipeline and the second pipeline, the input end of the gas booster pump is fixedly connected with the first pipeline, the output end of the gas booster pump is fixedly connected with the second pipeline, one end of the second pipeline is fixedly connected with a sealing cover, and multiple sets of connecting bolts are arranged in the sealing cover in a penetrating mode; a thick-wall cylinder is arranged on the supporting frame, a plurality of sets of strain gauges and thermocouples are installed at the end of the thick-wall cylinder, stress and temperature detection is conducted through the strain gauges and the thermocouples, and through arrangement of the control system, stress and inflation flow can be monitored and controlled cooperatively at the same time.

The invention relates to the technical field of material mechanical property testing, and provides an ultralow-temperature slow strain mechanical tensile test platform which comprises a vacuum Dewar unit, a liquid helium temperature control unit, a slow strain tensile unit, a measuring unit and a control unit, the vacuum Dewar unit comprises a vacuum Dewar body and is used for providing a closed low-temperature test environment; the liquid helium temperature control unit comprises a direct injection module and a recovery module, the direct injection module is used for directly injecting liquid helium to the gauge length section of the sample for cooling, and the recovery module is used for recovering and recycling unevaporated liquid helium; the slow strain stretching unit is used for stretching a sample arranged in the vacuum Dewar body at a low strain rate; the measuring unit is arranged in the vacuum Dewar body and is used for monitoring the temperature, the force value and the strain data of the sample in real time. Liquid helium is used as a cold source, the liquid helium is directly aligned to the gauge length section of the sample through the direct injection module, and compared with a traditional liquid helium steam natural convection heat exchange mode, the heat exchange coefficient is increased, and automatic precise temperature control is achieved.

The invention relates to the technical field of material detection, in particular to a hot compress patch production finished product batch functional test detection method, which comprises the following steps: S1, temperature test; s2, testing temperature uniformity; s3, testing heating duration time; s4, carrying out viscosity test; s5, testing the liquid leakage degree; according to the hot compress patch comprehensive analysis method, the temperature evaluation coefficient of the hot compress patch is obtained according to the temperature coincidence degree of the hot compress patch under different conditions, the heating uniformity degree of the hot compress patch is obtained according to the temperature heat map of each hot compress patch, and the heating duration coincidence degree of the hot compress patch is obtained according to the heating duration of the hot compress patch under different conditions. The viscosity evaluation coefficient of the hot compress patch is obtained according to the viscosity strength of each hot compress patch test sample, the liquid leakage degree of the hot compress patch is obtained according to the average chromaticity value of each hot compress patch package area, then the quality evaluation index of the hot compress patch is comprehensively analyzed and fed back, the hot compress patch can be evaluated from multiple dimensions, and the evaluation accuracy of the hot compress patch is improved. And the overall quality level of the product is improved.

Systems and methods are directed toward low temperature testing of motion, vibration, or force responses of test fixtures. For cryogenic shock testing, a test object can be secured on a test apparatus, such as a test fixture of a shock table. An elongated enclosure, such as a flexible tube, can be connected between the test fixture and a laser vibrometer, positioned orthogonal to a surface normal at a test region of the test fixture to enable light emitted by the vibrometer to be reflected from the test region back to the vibrometer. A flow of purge gas can be introduced into the tube, proximate the test fixture, to direct moisture away from the test fixture. The flow can prevent condensation or ice from forming on the surface of the test fixture at the cryogenic temperature. A shock event can be simulated, and the response of the test region measured by the laser vibrometer. The impact of the shock event on the test object can then be observed.

The invention provides a steady-state temperature distortion inlet temperature test layout method, and belongs to the field of aero-engine tests, and the method comprises the steps: S10, constructing a temperature field mathematical model of a measurement cross section in a steady-state temperature distortion test and a test layout mathematical model employing a fixed total temperature probe for temperature measurement; s20, temperature field parameters used for describing temperature field distortion characteristics are determined, the relative error sum of the temperature field parameters in the prior flow field and the temperature field parameters at the corresponding coordinates of the test layout is calculated, and therefore the optimization target of the test layout is determined; and S30, taking the circumferential angle of the fixed total temperature probe in the test layout as an optimization parameter, taking the relative error sum of the temperature field parameters as an optimization target, and adopting an optimization algorithm to optimize the circumferential angle of the fixed total temperature probe in the test layout. Therefore, the circumferential optimal angles of the fixed total temperature probes with different circumferential numbers in the steady-state temperature distortion test are obtained. The method is good in convergence and high in calculation precision.

The invention discloses a testing method and device of a low-temperature pump, electronic equipment and a storage medium, and relates to the technical field of vacuum technology and vacuum pump performance tests.The testing method of the low-temperature pump comprises the steps that the first pressure of a first inflation chamber is obtained, and an air distribution mode is determined based on the first pressure; after gas distribution is completed based on the gas distribution mode, an impact test is started to introduce gas into the cryogenic pump; and acquiring temperature test data of the cryogenic pump, and determining the validity of the current test based on the temperature test data. According to the testing method of the low-temperature pump, the gas distribution process is more accurate through multiple gas distribution modes, the validity of the test data is judged through the temperature test data of the impact test, and the transition capacity parameter of the low-temperature pump is subjected to process inspection depending on experience; the method is converted into a standardized metering process which is high in reliability, high in efficiency and reproducible.

The invention discloses a low-temperature blackbody source radiation power calibration method, which comprises the following steps of: establishing a low-temperature test system, and calibrating the radiation power of a low-temperature blackbody source; changing the bath temperature of the superconducting dynamic inductance detector, testing response curves of the superconducting dynamic inductance detector at different bath temperatures, and extracting response amplitudes; calculating the number of quasi-particles under the bath temperature of the corresponding superconductive dynamic inductance detector; fitting the response amplitude and the quasi-particle number to obtain a function of the quasi-particle number of the superconducting dynamic inductance detector with respect to the response amplitude; the bath temperature of the detector is reduced to be lower than 100 mK, the temperature of the low-temperature blackbody source is reduced to be lower than 4 K, the temperature of the low-temperature blackbody source is changed, curves of the superconducting dynamic inductance detector at different blackbody source temperatures are tested, and amplitudes are extracted; calculating to obtain a corresponding quasi-particle number; calculating the radiation power of the low-temperature blackbody source according to the quasi-particle quantity; and calculating the radiation efficiency of the low-temperature blackbody source. The problem that the terahertz radiation power of the blackbody source cannot be calibrated at extremely low temperature can be solved.

The utility model relates to the technical field of low-temperature testing, and discloses a low-temperature heat exchanger which comprises an inner pipe, an outer pipe, a cold head and a corrugated pipe section. A first refrigerant channel is arranged in the inner pipe; the outer pipe is sleeved outside the inner pipe; the outer surface of the inner pipe and the inner surface of the outer pipe form a second refrigerant channel; the cold head comprises a third refrigerant channel communicating with the first refrigerant channel. The third refrigerant channel is communicated with the second refrigerant channel; and the corrugated pipe section is arranged on the inner pipe and / or the outer pipe. The corrugated pipe section is arranged on the inner pipe and / or the outer pipe, so that the sample rod or other parts can be cooled through the low-temperature heat exchanger, and meanwhile, the transmission of cold source vibration on a refrigerant circulating part of the low-temperature heat exchanger is reduced, so that the influence of the cold source vibration on sample detection in a low-temperature environment is reduced, and the detection accuracy is improved. The reliability of a sample detection result is improved. The utility model further discloses a sample rod.

The invention relates to the technical field of temperature testing, in particular to a structure surface temperature testing system based on photosensitive coating chromatic aberration recognition, which comprises a chromatic aberration feature extraction module, a heat conduction track analysis module and a temperature gradient reconstruction module. According to the method, the space-time evolution characteristics of a chromaticity field are captured through a dynamic gradient analysis technology, the non-uniform thermal field recognition sensitivity is improved, the stable temperature resolution is kept under complex illumination, a transient thermal shock propagation path is recognized and analyzed based on a heat conduction track cluster motion mode, the system response delay is shortened, and a nonlinear temperature-sensitive characteristic compensation mechanism is adopted; measurement deviation caused by coating process difference is overcome, higher-precision temperature reconstruction of a curved surface structure is realized, space correction and direction weighting are combined to enhance the spatial analysis capability of a temperature gradient field, a tiny heat affected area is accurately identified, multi-dimensional coupling analysis remarkably reduces temperature field reconstruction errors of a large-scale structure, and the engineering applicability is superior to that of a traditional method.

The invention provides a test system, a calibration device and a test method. The test system comprises a hot wire probe which comprises an electric heating wire, a thermocouple and a supporting rod; the heating wire and the thermocouple are fixedly connected to the supporting rod; the hot-wire probe is used for performing flow velocity testing on fluid at a target position in a target flow field to obtain a flow velocity signal and performing temperature testing on the fluid at the target position to obtain a temperature signal; the electric heating wire and the thermocouple are located on the same vertical line, a first distance exists between the electric heating wire and the thermocouple, and the first distance enables the electric heating wire and the thermocouple not to influence each other under the conditions of flow velocity testing and temperature testing; the acquisition unit is connected with the hot-wire probe through a circuit; the temperature sensor is used for converting a flow velocity signal into a first electric signal and converting a temperature signal into a second electric signal; the calculating unit is connected with the collecting unit and used for determining the target temperature and the target flow speed of the target position based on the first electric signal and the second electric signal.

The utility model relates to a test system, which comprises a test device comprising a test mechanism and a test board, the test mechanism is provided with a sealing cavity, the test board is arranged in the sealing cavity, and the test board is electrically connected with a piece to be tested; the magnetic device is arranged in the sealing cavity and comprises a driving mechanism and a magnetic part which are connected with each other, the driving mechanism is used for driving the magnetic part to rotate, and the rotating magnetic part is used for providing a changing magnetic field environment for the to-be-tested part. The testing system, the testing plate and the magnetic device are all arranged in the sealing cavity, so that when the to-be-tested piece is subjected to low-temperature testing, external gas cannot be in contact with the testing plate, and the surface of the testing plate is prevented from frosting. And meanwhile, the magnetic piece is prevented from being arranged on the pressure head device, so that the size of the pressure head device is reduced. The driving mechanism can drive the magnetic part to rotate, and the rotating magnetic part can provide a variable magnetic field environment for the to-be-tested part so as to test the performance of the to-be-tested part in the variable magnetic field environment.

The present application relates to the technical field of temperature test, in particular to a structure surface temperature test system based on color difference identification of photosensitive coating, which comprises a color difference feature extraction module, a heat conduction track analysis module and a temperature gradient reconstruction module.In the present application, the dynamic gradient analysis technology is used to capture the space-time evolution characteristics of the chroma field, improve the identification sensitivity of the non-uniform thermal field, maintain the stable temperature resolution under complex illumination, identify the propagation path of the transient thermal shock based on the cluster motion mode recognition of the heat conduction track, shorten the system response delay, adopt the nonlinear temperature-sensitive characteristic compensation mechanism to overcome the measurement deviation caused by the coating process difference, realize the higher precision temperature reconstruction of the curved surface structure, combine the spatial correction and the directional weighting to enhance the spatial analysis ability of the temperature gradient field, accurately identify the small heat influence area, and significantly reduce the temperature field reconstruction error of the large-scale structure through the multi-dimensional coupling analysis, so that the engineering applicability is better than that of the traditional method.

The invention discloses a contact and non-contact combined temperature rise data testing method, which relates to the field of temperature testing, and is characterized in that a contact temperature measurement result is corrected by using a temperature rise rate in non-contact temperature measurement according to contact and non-contact temperature measurement characteristics, and a non-contact temperature measurement result is corrected by using temperature rise data obtained by the contact temperature measurement. The influence of the thermal resistance between the test sensor and the tested object on the contact temperature measurement response rate and the influence of the test distance, the surface thermal emissivity of the tested object, smoke dust and the like on the non-contact temperature measurement precision are reduced, and a high-response accurate temperature test result is obtained.

A variable temperature test system and an operation method thereof are provided. The variable temperature test system includes a main control device, multiple test devices, and a variable temperature test platform. The variable temperature test platform is coupled to the main control device and the test devices. The main control device provides an adjustment parameter according to at least one pending test. The variable temperature test platform includes multiple test areas, multiple temperature sensors, and a temperature control module. The test areas are respectively coupled to the test devices. The temperature sensors are respectively disposed in the test areas. The temperature control module is coupled to the test areas. The temperature control module adjusts a temperature of at least one test area according to the adjustment parameter.

The utility model discloses a test device for a high and low temperature test machine, which comprises a compressor, an oil-gas separator arranged on one side of the compressor, a gas-liquid separator arranged on the other side of the compressor, a condenser arranged on one side of the compressor, a liquid storage tank fixedly sleeved on one end of the condenser, a drying filter fixedly connected with the end part of the liquid storage tank, and a gas-liquid separator arranged on the other side of the compressor, a first plate heat exchanger is arranged at the end of the drying filter, and a thermostatic expansion valve is arranged on the side of the first plate heat exchanger. Through mutual cooperation of the compressor, the gas-liquid separator, the condenser, the liquid storage tank, the drying filter, the first plate heat exchanger and the thermostatic expansion valve, the temperature of-40 DEG C passing through the evaporator is-35-40 DEG C, the temperature of-40 DEG C passing through the condenser is 20-30 DEG C, and the condensation temperature is reduced through heat exchange of the plate heat exchanger; and therefore, the refrigerating capacity of the compressor can be increased, the air return temperature of the compressor can be increased, and the liquid impact phenomenon of the compressor can be prevented.

The utility model discloses a high and low temperature drop hammer impact testing device, which comprises a temperature control box, a falling channel, a height control unit and an impact hammer, the falling channel is longitudinally arranged and penetrates through the temperature control box, an impact hole is formed at the penetrating position, the impact hole is provided with an openable / closable plugging piece, an impact platform and an impact piece are arranged in the temperature control box, and the height control unit is connected with the height control unit. The impact platform is located below the falling channel, the impact piece is arranged between the impact platform and the falling channel through the limiting unit, the impact hammer is arranged in the falling channel, and the height control unit penetrates from the top end of the falling channel to be matched with the impact hammer to adjust and control the height of the impact hammer. According to the high and low temperature drop hammer impact test device, the test temperature is controlled through the temperature control box, and the impact hole can be quickly opened through the plugging piece, so that the impact hammer can freely fall to act on the impact piece, and the impact piece impacts a test sample, so that the high temperature or low temperature test of a high polymer material is realized; and the test operation is simple, and the test precision is high.

This invention discloses a testing method, apparatus, electronic device, and storage medium for cryogenic pumps, relating to the technical fields of vacuum technology and vacuum pump performance testing. The testing method includes: acquiring a first pressure in a first filling chamber and determining a gas distribution mode based on the first pressure; after completing gas distribution based on the gas distribution mode, initiating an impact test to introduce gas into the cryogenic pump; acquiring temperature test data of the cryogenic pump and determining the validity of the current test based on the temperature test data. This invention's cryogenic pump testing method makes the gas distribution process more precise through multiple gas distribution modes, and determines the validity of the test data through the temperature test data from the impact test. This transforms the cryogenic pump's pass-through capacity parameter from an experience-dependent process check into a highly reliable, efficient, and reproducible standardized measurement process.

The invention discloses a mechanical friction spark temperature testing method based on multiple thermocouples and particle size analysis, which comprises the following steps of: 1, preparing a test piece, processing the surface of a friction test piece, and fixing an embedded thermocouple array in the test piece; secondly, dynamic pressure loading is conducted, and friction pressure is adjusted through a high-pressure air bottle and a piston type air cylinder; 3, synchronously monitoring multiple thermocouples, and arranging the thermocouples to synchronously acquire data; step 4, spark particle size capturing: a high-speed camera and a laser particle size analyzer are adopted to acquire particle size distribution and speed track of spark particles in real time; 5, temperature-particle size correlation correction is carried out, and a temperature attenuation model is established based on the specific heat capacity and the heat conductivity coefficient of spark particles; and step 6, data fusion output: fusing and outputting analysis results. A plurality of thermocouple arrays are arranged at the center and the edge of a friction interface and on a spark splashing path, and temperature data in the friction heat and spark cooling process are synchronously collected.

A variable temperature test system and an operation method thereof are provided. The variable temperature test system includes a main control device, multiple test devices, and a variable temperature test platform. The variable temperature test platform is coupled to the main control device and the test devices. The main control device provides an adjustment parameter according to at least one pending test. The variable temperature test platform includes multiple test areas, multiple temperature sensors, and a temperature control module. The test areas are respectively coupled to the test devices. The temperature sensors are respectively disposed in the test areas. The temperature control module is coupled to the test areas. The temperature control module adjusts a temperature of at least one test area according to the adjustment parameter.

The utility model provides a device for testing airflow temperature of a hot air gun. The device comprises an airflow protection box body assembly, a hot air gun fixing assembly and a temperature sensor fixing assembly. The airflow protection box body assembly comprises a box body, a heat insulation cabin, a heat flow guider, a flow guide pipe and a noise reduction buffer, and drainage and isolation of high-temperature airflow of the heat gun are achieved. The hot air gun fixing assembly comprises a first guide rail, a sliding seat, a connecting piece and a hoop, and is used for fixing a hot air gun body and adjusting the horizontal distance and the vertical distance between the hot air gun body and the sensor; the sensor fixing assembly comprises a second guide rail, a sliding block and a mounting base, and the temperature sensor is fixed and the distance between a probe and a hot air gun muzzle is adjusted. The device can solve the problem that no fixing device exists during calibration of the heat gun, and ensures that the axial distance from the center of a muzzle of the heat gun to a probe of a temperature sensor meets the requirement during testing; meanwhile, the influence of high-temperature airflow on the detection environment temperature can be effectively prevented, and the risk of burn caused by the high-temperature airflow is avoided.

The utility model relates to the technical field of rubber abrasion, and provides a rubber abrasion machine with a temperature testing unit, which comprises an abrasion machine main body and an infrared thermometer, the abrasion machine main body comprises a driving system and a driven system, the driving system comprises an adjustable-speed motor, and the driven system comprises a transmission shaft and a lifting portal frame. The transmission shaft is rotatably mounted on the supporting base through a transmission shaft base, one end of the transmission shaft is connected with an output shaft of the speed regulating motor, the other end of the transmission shaft is coaxially fixed with a friction wheel, and the lifting portal frame is mounted on the supporting base in a liftable manner and is provided with a sample clamping block; the infrared thermometer is installed on the transmission shaft base through the angle adjusting mechanism, and the detection end of the infrared thermometer is located on the side, close to the friction wheel, of the angle adjusting mechanism. According to the utility model, the infrared thermometer which can be fixed on the transmission shaft fixing frame is arranged, so that the uniform positioning of temperature test points in the continuous real-time temperature measurement process is ensured, and the accuracy of rubber abrasion temperature test data results is greatly improved.

The invention belongs to the technical field of high-temperature testing of pipes, and discloses a non-magnetic high-temperature testing device and a non-magnetic high-temperature testing method. The non-magnetic high-temperature testing device comprises a non-magnetic high-temperature heating cylinder made of a non-magnetic material, a moving and transporting sliding table and a moving and transporting trolley, the non-magnetic high-temperature heating cylinder is provided with a heating layer, and the axis direction of the non-magnetic high-temperature heating cylinder is arranged in the first direction; the moving sliding table is arranged at one end of the non-magnetic high-temperature heating cylinder and can be far away from or close to the non-magnetic high-temperature heating cylinder in the first direction; the moving and transporting sliding table is provided with a moving and transporting track arranged in the first direction, the to-be-tested pipe is supported on the at least two moving and transporting trolleys in a height-adjustable mode, the moving and transporting trolleys can run along the moving and transporting track to drive the to-be-tested pipe to enter or leave the interior of the non-magnetic high-temperature heating cylinder, and the to-be-tested pipe and the non-magnetic high-temperature heating cylinder are coaxial. According to the invention, the influence of magnetic interference on the high-temperature test of the pipe is solved, and the transfer of the to-be-tested pipe with the long-axis characteristic and the improvement of the heating uniformity are facilitated.

The utility model discloses a kind of thermocouple response time measuring devices, including measuring pipeline, vertical pipeline, electric heating equipment and fixture, one end of measuring pipeline is provided with import, the other end is provided with export, vertical pipeline is vertically set on measuring pipeline, and with the inside of measuring pipeline is communicated, electric heating wire is set on the outer surface of measuring pipeline and vertical pipeline, fixture is located at the top of measuring pipeline, and fixed plate is vertically slidably arranged on fixture;High thermal conductivity lead bismuth liquid is used as medium in the application, heat can be quickly transferred to thermocouple and armored sleeve, reduce the lag caused by sleeve thermal resistance, fit actual working condition, reduce the measurement deviation caused by medium thermal property difference;Electric heating equipment precision temperature control, cooperate with flowing lead bismuth liquid, both ensure that step temperature test is accurate, and simulate actual dynamic heat exchange, avoid the response time misjudgment caused by heat accumulation at sleeve under static state.

The utility model belongs to the technical field, and specifically relates to a bridge structure health monitoring device, including an installation box, one side of the top of the installation box extends to form an extension plate, a hollow notch is opened at the far end of the top of the extension plate, the bottom of the notch is connected to a bottom plate, and a gap is left on the side of the bottom plate, so that the notch is semi-open, a thermometer is installed on one side of the installation box, a sub-plate is arranged on the bottom side of the installation box, a fixing rod is also arranged at the bottom of the installation box and on one side of the sub-plate, a fixing plate is fixed at the bottom of the fixing rod, and a displacement meter extends out of the installation box. The utility model can realize dual-function synchronous detection and reduce the occupation of the bridge structure, and at the same time, the thermometer can continuously adjust the position and the test surface of the thermometer to ensure that the temperature test data is stable and accurate, reduce the test error, and avoid a large gap between the data measured by the displacement meter, so as to ensure the accuracy of the measurement data.

The utility model relates to the technical field of temperature testing, and discloses a heating device heating rate testing device which comprises a supporting mechanism and a testing mechanism, the supporting mechanism comprises a supporting seat, a mounting table is fixedly mounted on the right side of the top of the supporting seat, and a lifting groove is formed in the outer wall of the left side of the mounting table; a lifting motor is fixedly mounted at the top of the mounting table above the lifting groove, a bottom output shaft of the lifting motor is fixedly connected with a lead screw, the surface of the lead screw is in threaded connection with a supporting block, the testing mechanism comprises an extension plate fixedly mounted on the outer wall of the left side of the supporting block, and a T-shaped sliding groove is formed in the surface of the extension plate; and a mounting block is slidably connected to the middle of the interior of the T-shaped sliding groove, and a thermodetector is inserted into the bottom of the mounting block. The heating device temperature rise rate testing device can automatically record and analyze data, shortens the workload of operators, reduces personal errors, is convenient to transfer and carry equipment, and is convenient for users to use.

The invention relates to the field of fan testing, in particular to a temperature control room for fan high-temperature testing and a control system thereof.The temperature control room comprises a controller, a temperature control room body, a heating component, a room door, an air outlet and an airflow control valve, the heating component comprises a main heating assembly with a plurality of output ends, and a plurality of temperature sensors are further arranged in the temperature control room body; the controller is electrically connected with the heating part and used for controlling the heating part to work, the stability and the consistency of the testing environment are ensured by accurately controlling the temperature condition in the temperature control room, and therefore the accuracy and the reliability of the fan temperature testing result are improved. The problems that the fan performance temperature test condition is unstable and the test result is inaccurate under the specific temperature condition are solved.