96 results about "Temperature testing" patented technology

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.

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 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.

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.

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 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.

This application discloses an in-situ mechanical testing system and method for aero-engine turbine blade materials. The system includes: a multi-axis loading unit for simulating the multi-axis stress state of turbine blades under actual operating conditions; a high-temperature environment module for achieving localized rapid heating of the sample; an in-situ observation system integrating a long-working-distance high-temperature microscope and a high-speed camera for real-time observation and recording of the microscopic damage evolution of the turbine blade sample during high-temperature loading; and a control unit with a built-in temperature-stress decoupling control model and a microscopic defect identification model for real-time compensation of the thermal effects of plastic deformation and quantification of the damage factor D. This application achieves synchronous loading of centrifugal force through a three-axis servo actuator, accurately reproducing composite stress with small load errors, overcoming the limitation of traditional single-axis testing in simulating multi-source loads on blades. Simultaneously, this application reduces interference from plastic work-induced temperature rise, solving the technical problem of data distortion caused by temperature drift in high-temperature testing.

The utility model aims at providing a kind of high-efficient real-time constant-temperature control measuring device of constant temperature control and monitoring provided by simulation heat source.It is provided that the utility model includes heating unit, control unit and temperature acquisition unit, the control unit includes processor and heating control module connected by electric signal, the temperature acquisition unit acquires the temperature data of the heating unit and is connected with the processor by electric signal, the heating control module includes two-way control module, controllable power output module, controllable constant-current source module and current acquisition module, one output of the two-way control module is connected to the controllable power output module, another output of the two-way control module is connected with the controllable constant-current source module, the output of the controllable power output module is connected with the controllable constant-current source module, and the controllable constant-current source module is electrically connected with the heating unit.The utility model is applied to the technical field of temperature test.

This utility model relates to the field of lubricating oil performance testing technology, specifically a two-phase separation temperature testing device, including a sapphire autoclave. A testing component is mounted on the top of the sapphire autoclave, and a protective component is mounted on one side of the autoclave. The testing component includes a sealed top cover, and a first sample inlet tube is fixedly connected inside the sealed top cover. This two-phase separation temperature testing device, by installing the testing component, allows the first and second sample inlet tubes to be inlet pipes for refrigerant and refrigeration oil at room temperature. A "constant pressure injection vessel" achieves high-temperature, constant-pressure refrigerant injection, thereby changing the refrigerant / refrigeration oil ratio in the system. This allows for continuous testing without cooling, saving testing time.

The utility model provides sealant performance detection equipment, which comprises a heat insulation box, a heating assembly, a temperature detection assembly and a test assembly, a heating cavity is formed in the heat insulation box, a test seat is arranged in the heating cavity, the test seat is used for placing sealant, the heating assembly is arranged in the heating cavity, the temperature detection assembly is arranged around the test seat, and the temperature detection assembly is arranged around the test seat. One end of the testing assembly is arranged in the heat preservation box, and the other end of the testing assembly penetrates through the heat preservation box and extends into the heating cavity so as to test the sealant of the testing seat. According to the sealant performance detection equipment provided by the invention, the test assembly is arranged in the heat preservation box, and the temperature in the heat preservation box is cooperatively controlled through the heating assembly and the temperature test assembly, so that the temperature of the test assembly during an experiment is controlled, and the problem that some sealant performance detection equipment can only be used for an experiment at room temperature is solved.

The utility model discloses a gasoline saturated vapor pressure constant-temperature testing device which comprises a box body, a water bath is arranged at the top of the box body, a cover plate is rotatably matched with the top of the water bath, a fixing assembly is arranged between the water bath and the cover plate, and a pressure gauge, a glass thermometer and a testing instrument are installed at the top of the box body. A moving frame is slidably matched in the water bath, the bottom of the moving frame is elastically matched with the bottom of the water bath, the moving frame is U-shaped, the bottom of the cover plate abuts against the top of the moving frame, a placing groove is formed in the bottom of the inner wall of the moving frame, and two rotating rods are rotatably matched in the moving frame. Through the arrangement of the rotating rod, a tank body for storing gasoline can be placed on the placing groove in the moving frame, and the cover plate extrudes the moving frame and the placing groove to enter the water bath, so that the rotating rod extrudes the bottom of the water bath to rotate, and the rotating rod conveniently drives the arc-shaped clamping block to fixedly support the tank body; and the influence of special conditions on the tank body is reduced.

Disclosed herein is a test handler and corresponding test system for thermally controlling a plurality of devices under test (DUTs) by use of one or more thermal heads, while they are being tested in parallel. In some embodiments, a thermal head comprises a heat exchanger assembly, a piston block assembly, and a match plate assembly. In some embodiments, each individual DUT may have its temperature controlled independently by components, such as individual heaters, within the thermal head. The test handler may comprise a T-tray loading area, a temperature pre-soak area, a testing area, a temperature de-soak area, and a JEDEC tray loading area. In some embodiments the pick and place mechanism in the T-tray loading area may change the pitch or grid location of DUTs picked from a transport medium on the fly to a different pitch or location grid to match the socket placement on the tester load board.

The utility model discloses a high and low temperature testing device for a manipulator, which comprises a testboard, the top of the testboard is provided with a measuring and moving mechanism capable of horizontally moving, the measuring and moving mechanism comprises a clamp assembly for locking and hanging the manipulator, and the clamp assembly comprises a motor and a hanging frame arranged at the output end of the motor; a plurality of clamp structures are hinged to the hanging frame, and the mechanical arms are locked on the clamp structures. The device further comprises a cold medium groove and a hot medium groove which are matched with the displacement measuring mechanism, in the testing process, the mechanical arm is soaked in the cold medium groove to be subjected to cold soaking, the displacement measuring mechanism moves into the hot medium groove to be subjected to hot soaking, automatic testing is achieved in the mode, the testing efficiency is improved, and the testing safety is improved.

The utility model discloses an A2L hot surface ignition temperature test special device, which comprises a test box and a spraying type pipe arranged in the test box, the surface of one end of the spraying type pipe is fixedly connected with a refrigerant tank with a valve, one side of the refrigerant tank is provided with the valve which is communicated with the interior of the refrigerant tank through the spraying type pipe, and the other side of the refrigerant tank is provided with the spraying type pipe. A glass barrel is arranged on the peripheral side, close to one end, of the spraying type pipe, a metal disc is fixedly installed on the surface of the lower end of the glass barrel, a thermocouple is fixedly installed on the surface of one side of the metal disc, a heat insulation pad is fixedly connected to the peripheral side surface of the metal disc, and one side, extending to the heat insulation pad, of one end of the metal disc is fixedly connected with a heating plate; according to the utility model, through the arrangement of the spraying type pipe, stable conveying and controlled release of the refrigerant can be realized, the refrigerant can be accurately sprayed on the metal disc, and the refrigerant is fully contacted with the hot surface, so that the ignition temperature of the hot surface is tested, and the effect of accurate test result is achieved.

This utility model discloses a windless temperature uniformity control device for a temperature testing machine, including a temperature testing machine body. A pull-out box is provided in the chamber of the temperature testing machine body. The pull-out box includes a panel and a support frame. The panel is positioned in the opening of the chamber, and the support frame is installed on the inner side of the panel. Grooves are provided on both sides of the panel. The inner wall of the chamber protrudes from the grooves to form a sealing part, which is inserted into the groove. The opening of the chamber is covered by the panel and the sealing part. Multiple support plates are provided inside the support frame. A baffle, positioned and pressed by the pull-out box, is located deep within the chamber of the temperature testing machine body. This utility model has a simple structure, allowing products to be removed all at once, eliminating the need for individual removal. As the pull-out box is removed, the baffle is pushed out by the return of a second compression spring until it blocks the opening of the chamber, greatly reducing the intake of external air and minimizing fluctuations in the internal temperature, thus ensuring the efficiency and quality of subsequent testing.

This application relates to a resistance temperature coefficient testing device, comprising: a controller; a temperature control stage assembly electrically connected to the controller, the temperature control stage assembly being used to place a sample to be tested, allowing the sample to be subjected to multiple different temperature environments; a temperature testing element for detecting the temperature value at the location where the sample is placed on the temperature control stage assembly; a resistance detection structure including a clamping assembly and at least one pair of probes, the clamping assembly clamping the sample to the temperature control stage assembly, and the probes simultaneously contacting the sample to form a detection circuit to detect the resistance value of the sample; the clamping assembly including a mounting plate having multiple equally spaced mounting holes, into which the probes are inserted. This device can solve the problem of the inability to quantitatively control the probe spacing during repeated testing, improving testing accuracy; in addition, the multiple equally spaced mounting holes on the mounting plate can simultaneously fix multiple pairs of probes, enabling simultaneous testing at multiple sites and improving testing efficiency.

The utility model discloses a high safety type high temperature testing machine relates to high temperature testing machine field, including high temperature testing machine body, the bottom rotation of high temperature testing machine body is connected with movable strip, the bottom installation of high temperature testing machine body has safety protection seat, the both sides symmetry of safety protection seat inner chamber are connected with positioning assembly, the inner chamber of safety protection seat installs heat dissipation subassembly, the outer wall of high temperature testing machine body is installed and has fire extinguishing subassembly, the top of fire extinguishing subassembly installs fire extinguisher, the side of fire extinguishing subassembly top is swinged and is connected with positioner. The utility model discloses a high safety type high temperature testing machine, through setting up fire extinguisher, can cooperate with the fire extinguishing treatment of feed pipe and spray opening to it when the fault appears when high temperature testing machine body test, based on this can improve the safety of high temperature testing machine body test, through setting up positioner, can adapt to the installation of various size fire extinguisher.

The utility model discloses a temperature testing device which comprises a testing box, a thermal resistance testing mechanism and a thermal radiation testing mechanism. The thermal resistance testing mechanism comprises a first heating base arranged above the testing box, a first thermocouple arranged in the first heating base in a penetrating mode, a first rack arranged on the rear side of the first heating base and arranged above the testing box, a lifting adjusting lead screw arranged on the table top of the first rack in a penetrating mode, and a lifting plate arranged below the first rack and connected with the lifting adjusting lead screw. The clamping plate is arranged on the side, close to the first heating base, of the lifting plate, the heat dissipation assembly is arranged above the clamping plate, the first temperature measuring assembly is arranged in the first heating base and connected with the control assembly, and the second temperature measuring assembly is arranged in the first clamping plate and connected with the control assembly. According to the invention, thermal resistance testing and thermal radiation testing can be rapidly carried out on different electronic products, changes of real-time test data of the products can be accurately mastered, the accuracy and reliability of the test data are effectively improved, and data management and sharing are facilitated.

The present utility model relates to the technical field of low-temperature testing apparatuses. Disclosed is a BMS low-temperature functionality testing device, comprising: a housing, a temperature changing member, and a temperature control assembly; the volume of the housing is less than 150 cm3, the housing is provided with a through hole, the temperature changing member is disposed in the housing, and the temperature changing member is provided with a thermally conductive accommodating portion, used for accommodating a BMS; the thermally conductive accommodating portion at least partially protrudes from the through hole; the temperature control assembly is connected to the housing, and is electrically connected to the temperature changing member, so as to adjust the temperature such that the thermally conductive accommodating portion reaches a temperature required for BMS low-temperature testing. Compared with existing BMS low-temperature testing devices, the overall volume of the BMS low-temperature functionality testing device of the present application is smaller, while ensuring that the BMS can undergo low-temperature testing. When the BMS low-temperature functionality testing device needs to be used outside, the mobile housing can move the BMS low-temperature functionality testing device, which is more convenient to carry, enables the BMS low-temperature functionality testing device to be used indoors or outdoors, has wider application scenarios, can be carried and used at any time as a portable tool, and has better practicability.

The utility model relates to the technical field of low-temperature and constant-temperature test tanks, in particular to a low-temperature and constant-temperature test tank, which comprises a cover plate, a temperature sensor and a temperature sensor, a first connecting rod and a second connecting rod are arranged on the bottom plate; a low-temperature-resistant spring and a clamping block are arranged on the detachable storage frame; the device has the beneficial effects that an electric push rod is started to push a connecting plate and a cover plate, so that a detachable storage frame and a bottom plate move upwards to expose a to-be-detected article, the to-be-detected article can be taken out without stretching a hand into the device to take out the to-be-detected article, and a person can freely select to mount and dismount the detachable storage frame on the device, so that the detection efficiency is improved. The distance between the detachable storage frames can be controlled to adapt to objects to be detected of different heights, the number of the detachable storage frames is changed, the space utilization rate in the low-temperature constant-temperature testing tank body can be effectively increased, it is ensured that the device can test more objects to be detected at a time, and the working efficiency of the device is improved.

The application discloses a kind of super-low freezing point condensate oil freezing point test experimental device and method, the experimental device includes support system, cooling system, sample placement system, temperature testing device;The sample placement system includes glass test tube and the sealing plug of sealing the glass test tube, the glass test tube is used to hold condensate oil to be tested, and the lower part of the glass test tube is equipped with three parallelly arranged scale lines A, B, C from bottom to top;The temperature testing device is used for testing the temperature of the condensate oil to be tested by passing through the sealing plug;The cooling system includes glass sleeve, isolation glass bottle, open glass bottle, the glass test tube is arranged in the glass sleeve, the glass sleeve is arranged in the isolation glass bottle, and the isolation glass bottle is arranged in the open glass bottle;The support system has height adjustment and rotation function.The application can predict freezing point in advance, and can efficiently test the freezing point of super-low freezing point condensate oil.

The invention relates to the technical field of precise fluid control, in particular to a multifunctional automatic value testing system, which comprises a setting module used for setting a testing mode and target parameters, the testing mode is one of a positive pressure testing mode and a negative pressure testing mode, and the target parameters comprise a target pressure value and a target temperature value; and the control module is used for automatically establishing and stabilizing the port pressure of the tested part to a target pressure value through corresponding units in the positive pressure supply unit and the negative pressure generation unit according to the test mode and the target parameters, and controlling the port pressure of the tested part to the target pressure value through a temperature control unit comprising a gas heater and full-pipeline heating and heat preservation. The test gas is automatically heated and stabilized to a target temperature value, and a stable pressure and temperature test environment is obtained. According to the method, a test mode and target parameters are set, a stable environment is established through closed-loop control, flow points are traversed, data are collected, values are calculated in real time, curves and reports are automatically generated, and full-process automatic testing is achieved.

This invention belongs to the technical field of testing equipment and provides a tensile testing device for polyethylene pressure pipe and fitting connections. The device includes a testing equipment box, a constant temperature testing chamber fixedly mounted on the testing equipment box, and a tensile testing assembly. The tensile testing assembly includes a motor unit housed within the testing equipment box, a ball screw rotatably mounted within the constant temperature testing chamber and connected to the motor unit, a top lifting frame movably sleeved around the ball screw, and a bottom clamping frame fixedly mounted on the bottom wall of the constant temperature testing chamber. The top lifting frame is equipped with a top clamping unit for holding the sample pipe end, and the bottom clamping frame is equipped with a bottom clamping unit for holding the sample pipe end. The tensile testing device for polyethylene pressure pipe and fitting connections provided by this invention has a high degree of automation, improves the efficiency of the tensile testing, avoids testing errors caused by improper manual operation, and improves the accuracy of the test results.

The present application relates to the technical fields of sensor experiment test, in particular to a kind of marine biological sensor temperature test equipment and method thereof, including constant-temperature bin, rotating mechanism being arranged in constant-temperature bin and several circulation mechanisms being regularly distributed in rotating mechanism inside, constant-temperature bin includes recessed bin body, rotating mechanism includes sealing plug rotating in recessed bin body and a pair of sleeve being arranged on the outer wall of sealing plug for placing sensor.The present application is by setting annular bin body and the heat insulation board being regularly distributed in it, the seawater in bin is separated into multiple independent temperature zones, each temperature zone can be heated and maintained at different temperature by heating pipe respectively, form stable and gradually changing temperature gradient environment, combine rotatable sealing plug and water channel, sensor can rotate with sealing plug, and a pair of sensors can complete two test modes of ladder temperature rising and dynamic response in one test.

The invention relates to the technical field of radiation testing, in particular to an ash content detection system which comprises an in-furnace weighing assembly and a firing furnace, the firing furnace is installed on a construction detection base plane, and a sample detection table and a feeding transmission assembly are arranged on the two sides of the firing furnace respectively. A detection end processing mechanism is mounted between the sample detection table and the firing furnace, a temperature testing assembly is mounted between the detection end processing mechanism and the sample detection table, and a first-stage firing detection assembly and a second-stage non-inductive ash content detection assembly are arranged at one end of the feeding transmission assembly; secondary approval detection is completed by the primary burning detection assembly and the secondary non-inductive ash content detection assembly, abnormal data error correction and internal cross validation are realized, detection deviation caused by non-representative data of coal samples is avoided, accidental errors caused by reasons such as equipment abnormity and unevenness of the coal samples in single-time detection are effectively identified, and the detection accuracy is improved. And the reliability of a detection result is obviously improved.

The utility model discloses high and low temperature testing equipment for a solid state disk. The high and low temperature testing equipment comprises at least one testing cavity, an air blower and a temperature adjusting piece, wherein the left side and the right side of the testing cavity are communicated with an air inlet channel and an air outlet channel respectively, a plurality of BP plates are arranged in the testing cavity in an array mode, N testing ports are formed in the BP plates in an array mode, the testing ports are formed in the BP plates in the horizontal direction, and the solid state disks are inserted into the testing ports. An air outlet of the air blower communicates with the air inlet channel. An air inlet of the temperature adjusting piece communicates with the air outlet channel, and an air outlet communicates with an air inlet of the air blower. The air blower works to form airflow, and the airflow sequentially flows through the air inlet duct, the test cavity, the solid state disk, the air outlet duct and the temperature adjusting piece and flows back to the air blower to form air duct circulation. According to the utility model, a set of stable and controllable environment testing system can be provided for testing the solid state disk, and the accuracy of a testing result is ensured.

The utility model discloses a temperature measurement auxiliary jig, which comprises a substrate, a first wing plate and a first telescopic assembly, the substrate is provided with a limiting part, the limiting part forms a placement area in a surrounding manner, and the first side of the substrate is provided with a first connecting hole and a first guide hole; the first wing plate is installed on the adjacent side of the base plate, a second connecting hole and a second guide hole are formed in the first wing plate, and the length direction of the second guide hole is parallel to the length direction of the first guide hole; the first telescopic assembly is provided with a first connecting plate and a second connecting plate, the first end of the first connecting plate is rotationally connected to the first connecting hole, the second end of the first connecting plate is slidably connected to the second guide hole, the first end of the second connecting plate is rotationally connected to the second connecting hole, and the second end of the second connecting plate is slidably connected to the first guide hole. The supporting plate can be used for supporting the temperature curve tester, so that the temperature curve tester can be stably placed, interference to a temperature measuring contact is prevented, the phenomenon of plate clamping is avoided, and the supporting plate is suitable for products with different widths.

The invention discloses a pump low-temperature testing device and process suitable for an energy station. Comprising a first energy medium storage tank; the first low-temperature low-pressure pump is connected with the first energy medium storage tank; the recondenser is connected with the first low-temperature low-pressure pump; the low-pressure compressor is connected with the first energy medium storage tank; an energy medium inlet of the waste cold heat exchanger is connected with an outlet of the low-pressure compressor; an energy medium outlet of the waste cold heat exchanger is connected with a gas-phase energy medium inlet of the recondenser; an inlet of the first low-temperature booster pump is connected with a liquid-phase energy medium outlet in the bottom of the recondenser; an inlet of the second low-temperature booster pump is connected with a liquid-phase energy medium outlet in the bottom of the recondenser; an energy medium inlet of the first supercondenser is connected with an outlet of the second low-temperature booster pump; and an energy medium outlet of the first supercondenser is connected with the recondenser. The device has the beneficial effects that the supercooling degree of an energy medium can be ensured, and the accuracy of a low-temperature test result of the booster pump can also be ensured.