38results about How to "Constant temperature and humidity" patented technology

The invention discloses a device for preparing nanofibers by a differential split-flow centrifugal spinning method. The device mainly comprises a motor support, a high-speed motor, a coupling, a rotator, a continuous feed device, an infrared temperature sensor, a conveyer belt roller set, an electromagnetic heater, a roller bearing block, a rotator bearing, a spinning manifold, conveying cord fabric, a rolling device and a take-up device. The motor support is fixedly arranged on the bottom bin of the spinning manifold and is used for fixing the high-speed motor; the rotator is driven to rotate at a high speed by the high-speed motor through the coupling and the rotator bearing; the continuous feed device is fixedly arranged at the top end of the spinning manifold; a discharge hole of the continuous feed device is arranged at the upper end of the rotator in an eccentric way, and a small interval is kept between the discharge hole and the upper end of the rotator. By combining a fluid differential structure and a reinforced fluid reduced conical surface, the control on the reduced degrees and centrifugal forces of fluids with different viscosity is realized, and meanwhile, a simple and efficient solution is provided to batch nanofiber preparation of solution or melt by the continuous feed device, an indirect heating device and the continuous take-up device.

The invention discloses a test system and a test method for accelerating optical damp-heat aging for an optical high molecular material. Through a constant temperature and humidity test chamber of which the inner surface is coated with an optical absorption material layer, a blue light source panel is arranged inside the constant temperature and humidity test chamber, an object accommodating shelf is arranged below the blue light source panel, the upper surface and lower surface of the object accommodating shelf are provided with optical absorption material layers respectively, and a fan is arranged above the blue light source panel; a controller for controlling the blue light source panel to work and a driving device are arranged on one side of the blue light source panel, an object accommodating area is arranged at the center of the blue light source panel, and uniformly distributed through holes are formed in the periphery of the object accommodating area; and the object accommodating shelf is welded with a photometric probe support, and a fixed ring for placing a photometric probe is arranged at the upper end of the photometric probe support. The test system has the advantages that the temperature and humidity of a sample cannot be fluctuated by environmental influence, the surface of the sample cannot be stressed, and the position is constant in the test process. Blue light is prevented from being reflected and radiated on the sample from the rear part, so that the accuracy of a test result is improved.

The invention discloses a wine cabinet adopting a Sterling refrigerating machine, which comprises a wine cabinet box body and a refrigerating system. The wine cabinet is characterized in that the refrigerating system is formed by connecting the Sterling refrigerating machine, a gravity assisted heat pipe radiating device, a cored heat pipe cold conducting device, an annular locking piece and an annular fastening piece, and is arranged on the top of the wine cabinet box body; a steel sheet which has nonuniform micropores and is parallel to a rear plate is arranged in the front of the rear plate inside the wine cabinet box body and below a cored heat pipe cold conducting device; and a gap between the rear plate and the steel sheet forms an air flue. In the wine cabinet, due to the combination of the technology of the Sterling refrigerating machine and a heat pipe, the temperature control accuracy in the wine cabinet is high and the environmental suitability is high, so the characteristic of constant temperature and humidity in the wind cabinet in the stable state is realized easily.

The invention relates to a storage pit, in particularly relates to a self-control potato storage pit. The storage pit comprises a pit body and a pit door. The storage pit is characterized in that a control chamber is arranged at one side out of the pit body; a natural ventilating system, a mechanical ventilating system, an electronic control system and a heating and refrigerating system are arranged at six walls of the pit body. The self-control potato storage pit provided by the invention is simple in structure, and capable of changing the air flow performance of the potato storage pits; as the electronic control system can be used for automatically adjusting the concentration of the carbon dioxide and humiture in the pit, so that the storage loss is reduced and the storage time is prolonged.

The invention discloses a preservation method for a green-husk walnut. The method comprises the following steps: picking up late variety of walnut 10-15 days before the picking time, entering the picked walnut into an onion and garlic preservative to be processed, and then enclosing the green-husk walnut into a preservative bag to be sealed together with a gauze bag filled with a fresh-keeping material; preserving a space of 1 / 10 to 1 / 5 in the top of the preservative bag; and putting the preservative bag into a cave or a refrigeration house, of which the temperature is -1 DEG C to 0 DEG C and the relative humidity is 60-70%, to be stored. The preservation method for the green-husk walnut is low in carbon and environmental friendly; and the fruit availability of the green-husk walnut stored by the method can be up to about 95% after the green-husk walnut is stored for 70-100 days.

The invention discloses an efficient swimming pool heat pump dehumidifier and a working method thereof. The efficient swimming pool heat pump dehumidifier comprises a multipurpose heat exchanger and two or more than two refrigerating circulation systems, the multipurpose heat exchanger is installed between evaporators and reheating condensers of the two refrigerating circulation systems, differentmedia are introduced into the multipurpose heat exchanger in different seasons, and then different functions are achieved. According to the efficient swimming pool heat pump dehumidifier and the working method thereof, the multipurpose heat exchanger can meet different using requirements as needed, air can be treated step by step, various energy sources with different kinds of quality are fully utilized, and the purpose of improving the comprehensive energy efficiency is achieved; meanwhile, unit condensation heat is recycled and reutilized, the air feeding state is adjusted and improved, andthe pool hall temperature and humidity and the pool water temperature are adjusted; and in addition, air exhaust cold is recycled and used for lowering the unit condensation temperature, and the energy efficiency is improved. The unit integrated structure is adopted, an outdoor unit is omitted, energy loss brought to the refrigerating systems by long distance and large altitude difference is avoided, and the whole energy efficiency is improved from the multiple aspects.

The invention discloses a processing method for mechanical heaping-yellowing of yellow tea. The processing method comprises the following successive steps: plucking of fresh tea leaves, spreading, deactivation of enzymes, spreading for cooling and moisture regaining, and rolling. The processing method further comprises primary drying, secondary spreading for cooling and moisture regaining, and re-baking and sufficient drying, and primary baking and heaping for yellowing are successively carried out between the procedures of rolling and primary drying. In the step of primary baking, the temperature of the tea leaves is controlled to be 50 + / - 2 DEG C, and the tea leaves are baked until the water content of dried tea leaves is 30 to 40%. In the step of heaping for yellowing, heaping for yellowing is carried out by a fermentation machine; the dried tea leaves having undergone primary baking are uniformly spread and heaped to a thickness of 2 to 4 cm; and in the process of heaping for yellowing, the temperature of the tea leaves is controlled to be 43 to 54 DEG C, relative environment humidity is controlled to be 61 to 83%, ventilation is carried out once every 10 to 20 min, and heaping for yellowing lasts for 4 to 8 h. According to the invention, mechanical accurate regulation and control of technological parameters are carried out in the whole process, so the processing efficiency of yellow tea is improved, output is increased, cost is lowered, and the quality stability of yellow tea products is substantially improved, which enables the quality of the yellow tea products to be enhanced.

The invention discloses a machine room air conditioner system and a control method thereof. The system comprises an outdoor unit and an indoor unit, and the outdoor unit is connected with the indoor unit. Temperature sensors and a pressure sensor are connected to an inlet pipeline and an outlet pipeline of a condenser of the outdoor unit. Temperature sensors are mounted on a water inlet pipeline and a water outlet pipeline. Temperature sensors and pressure sensors are connected to inlet pipelines and outlet pipelines of fluorine pumps. Bypass pipelines are connected to the outlet pipelines ofthe fluorine pumps. The other ends of the bypass pipelines are connected to the inlet pipeline of the condenser. Bypass electromagnetic valves are connected to the bypass pipelines. A temperature sensor and a pressure sensor are connected to an inlet pipeline of an electronic expansion valve of the indoor unit. A temperature sensor and a pressure sensor are connected to an outlet pipeline of an evaporator. An air return temperature and humidity sensor and an air outlet temperature and humidity sensor are further mounted on the evaporator. The control method comprises a control method of the indoor unit and a control method of the outdoor unit. The machine room air conditioner system is safe, reliable and good in stability, and the requirement of a machine room air conditioner can be met.

The invention discloses an MEMS palladium alloy probe testing method and a probe loading method thereof, belongs to the field of IC manufacturing industry, and particularly relates to a device and method for testing the performance of a palladium alloy probe in an MEMS probe card and a related key technology. The method comprises the following steps of firstly, loading a to-be-tested probe, including a to-be-tested probe loading method for testing the tensile property and a to-be-tested probe loading method for testing the bending property; then setting the test temperature and humidity, namely through the sensor monitoring and the cooperation of a sprayer, a heater and a fan, adjusting the temperature and humidity, wherein in the adjustment process, a disturbance main body rotates under the action of an electromagnetic pole to ensure that the temperature and the humidity in a test environment are uniform; and finally testing. The tensile property and bending property of the to-be-tested probes with different parameters can be tested by only needing the symmetrical bending test structure to work. According to the method, the tensile property and the bending property of the probe onthe MEMS probe card can be tested.

The invention discloses an electrostatic attenuation time testing device, which can be used for testing a thermally-sealable flexible electrostatic dissipation material sample (including a plate type sample). In the device, a non-contact active detection sensor is adopted, the sample is charged under the voltage of + / -5kV, time consumed by attenuation of the testing voltage to + / -100V is displayed by an LED (Light-Emitting Diode), and the clock error is superior to 5 percent.

The invention discloses an MEMS palladium alloy probe testing device and a key structure and method thereof, belongs to the field of IC manufacturing industry, and particularly relates to a device andmethod for testing the performance of a palladium alloy probe in an MEMS probe card and a related key technology. The MEMS palladium alloy probe testing device comprises a barrel-shaped shell, a disturbance structure arranged on the inner wall of the barrel-shaped shell, an electromagnetic pole arranged on the outer wall of the barrel-shaped shell, a reference test platform horizontally arrangedin the barrel-shaped shell, a symmetrical bending test structure located above the reference test platform, a sealing cover arranged above the barrel-shaped shell, and a sensor, a sprayer, a heater and a fan which are arranged on the sealing cover. According to the structure, the tensile property and the bending property of the probe on the MEMS probe card can be tested.

The invention provides a multifunctional air purifying device. The multifunctional air purifying device comprises a spraying chamber and a refrigerating system; an air inlet is formed in the sprayingchamber; an ultrasonic humidifier is arranged in an inner cavity of the spraying chamber; the refrigerating system comprises an upper part and a lower part; the upper part communicates with the spraying chamber through a hole; an evaporator and a condenser are arranged in an inner cavity of the upper part; the evaporator is connected with the condenser through a capillary pipe; the evaporator andthe condenser are arranged in sequence from the hole to an air outlet; a compressor is arranged in an inner cavity of the lower part; and the compressor is connected with the evaporator and the condenser. The invention further provides a multifunctional air purifying method; an air filter (for PM2.5) and absorbing agents (for formaldehyde) in a conventional device are not needed, so that the problem of termly replacing air filter materials and absorbing gents in the conventional device are not generated; and meanwhile, as the air filter and the absorbing agents are higher in resistance, the air flowing resistance can be reduced, and the fan power consumption is reduced.

The invention discloses a sensitive information equipment remote monitoring constant-temperature constant-humidity electromagnetic shielding cabinet comprising an outer cabinet body, a cabinet door, afirst controller and a sensitive information equipment remote monitoring kit cabinet. The sensitive information equipment remote monitoring kit cabinet and an air conditioning system are installed inthe outer cabinet body. The shielding cabinet, in combination with an fairing in the outer cabinet body and an air distribution blind plate, makes the airflow of the outer cabinet body flow in the direction along a cross-flow fan, an evaporator, an airflow humidification device, a front ventilation waveguide window, the fairing, a sensitive information equipment kit cabinet air inlet or the equipment front panel in the outer cabinet body, a device main board, and a rear ventilation waveguide window. The evaporator and the airflow humidification device are placed in a ventilation duct and force the airflow output from the cross-flow fan to just enter the outer cabinet body. Then, the air-conditioning water generated by an air-conditioning system is taken out through a pipeline, so that theairflow with appropriate temperature and humidity can be accurately delivered to equipment devices to achieve constant temperature and constant humidity in the cabinet.

The invention discloses a vessel type free piston Stirling refrigerator-adopted wine cabinet. The wine cabinet comprises a wine cabinet box and a refrigeration system, wherein the wine cabinet box isan internal refrigeration area surrounded by an external thermal insulation framework and a door; the refrigeration system is formed by a vessel type free piston Stirling refrigerator, a gravity assisted heat pipe cooling device, a cored heat pipe cold guiding device, a ring-shaped locking member and ring-shaped fasteners and is arranged at the inner top of the wine cabinet box; the gravity assisted heat pipe cooing device comprises a plurality of U-shaped gravity assisted heat pipes; evaporation ends of the gravity assisted heat pipes are tightly contacted and connected with a cooling surfaceof the Stirling refrigerator; first fins are arranged at condensation ends of the gravity assisted heat pipes; first fans are arranged outside the first fins; the cored heat pipe cold guiding devicecomprises a plurality of cored heat pipes; condensation ends of the cored heat pipes are connected with a cold head of the Stirling refrigerator through ring-shaped fasteners; second fins are arrangedat evaporation ends of the cored heat pipes; and second fans are arranged outside the second fins so as to carry out convective cooling on the second fins.

The invention discloses a multifunctional heat pump swimming pool dehumidifier and a working method thereof. The dehumidifier comprises two refrigeration cycle systems arranged in parallel, the two refrigeration cycle systems include a first refrigeration system and a second refrigeration system, the first refrigeration system is a dehumidification and refrigeration combined system working mediumloop, a first evaporator and three parallel condensers are arranged, the three parallel condensers include a first reheating condenser, a pool water condenser and a first air conditioner condenser, and a refrigeration dehumidification cycle can be achieved; the second refrigeration system is a refrigeration and heating combined system working medium loop, an evaporator and a second air conditioning condenser are arranged, and cooling or heat pump heating can be achieved; and a wind treatment passage is arranged between the two working medium loops. The multifunctional heat pump swimming pool dehumidifier can recover and reuse unit condensing heat, can adjust and improve the air supply state, enables the temperature and humidity of a pool to be constant, and achieves the purpose of achieving multiple functions through one unit.

The invention discloses a constant-temperature and constant-humidity control instrument and equipment skid-mounting room with a warning function. The constant-temperature and constant-humidity control instrument and equipment skid-mounting room comprises a skid-mounting room body, temperature and humidity inductors, an electric cabinet, a constant-temperature and constant-humidity controller, a supporting column, an audible and visual alarming device, a closing and opening controller, a temperature and humidity sensor, a connecting rod and a refrigeration air blower; one temperature and humidity inductor is fixed at each of four corners of the upper end in the skid-mounting room body; the upper end of the skid-mounting room body is fixedly connected with the electric cabinet; the electric cabinet is internally fixedly provided with the constant-temperature and constant-humidity controller, the closing and opening controller and the temperature and humidity sensor in sequence from right to left; the upper end of the electric cabinet is fixedly connected with the audible and visual alarming device through the supporting column; the refrigeration air blower is arranged at the upper end in the skid-mounting room body; the refrigeration air blower is fixedly connected with a top surface in the skid-mounting room body through the connecting rod. The constant-temperature and constant-humidity control instrument and equipment skid-mounting room with the warning function has the beneficial effects that the temperature and humidity in the instrument and equipment skid-mounting room keep constant and the warning effect is good.

The invention provides an improved rapeseed oil ancient-method squeezing process which comprises the following steps: step 1, stir-frying: putting rapeseeds into a rotary drum baking and stir-frying machine, stir-frying the rapeseeds with firewood, stir-frying the rapeseeds until hulls and kernels of the rapeseeds can be completely separated by sampling and crushing and the kernels are golden yellow, and pouring out the rapeseeds; step 2, oil pressing: pouring the fried rapeseeds into a rapeseed oil press for oil pressing to obtain crude oil; step 3, filtering, adding 50g of saline water intoevery 5 kg of the crude oil, wherein the temperature of the saline water is 85-95 DEG C, and the concentration of the saline water is 0.5-1%, pouring the crude oil mixed with the saline water into a rapeseed oil cleaning device for cleaning and filtering, removing erucic acid and precipitate; and step 4, refining, namely adding the filtered crude oil into rapeseed oil refining equipment, dephosphorizing, decolorizing and distilling to obtain the finished rapeseed oil. The rapeseeds are stir-fried with the firewood, the fragrance of the rapeseed oil squeezed by an ancient method is kept, and the rotary drum baking and stir-frying machine is improved to guarantee the stir-frying effect; and the saline water is added to remove the erucic acid during filtering.

The invention relates to a method for producing Coprinus comatus by using the anniversary of the soil hole. The method for producing Coprinus comatus by using the anniversary of the soil hole is to use the wine tank as the cultivation raw material and the soil hole as the cultivation environment. The cultivation mode of "inside mushrooming" is realized through 8 steps of soil hole excavation, strain production method, cultivation material formula, cultivation material fermentation treatment, mushroom bag production, mushroom bag growth, soil covering and mushroom fruiting management. The invention uses a manually excavated soil hole as a production site, and provides a cultivation mode of "growing fungus in the hole and fruiting in the hole". Coprinus comatus does not need refrigeration or heating equipment, and it can meet the growth of Coprinus comatus fruiting bodies in a natural state, realizing the annual production of Coprinus comatus; using new cultivation raw material distiller's grains, shortening the processing time of cultivation materials, reducing labor costs, and reducing production costs .

The invention provides a spatial static electricity environment freshness preservation and conventional environment freshness preservation effect comparison method. The method includes the following steps that: a conventional environment is divided from the middle into a side A and a side B through using a partition layer; the bottom of the B side is provided with an electrostatic generator; the side A and the side B are both provided with a thermometer and a camera; and a test food is arranged in the side A and the side B, the freshness preservation effect of the side A is compared with the freshness preservation effect of the side B under the conditions of the same temperature, the same humidity, and the same freshness preservation time. According to the method of the invention, the conventional environment is divided from the middle into the side A and the side B through using the partition layer; the A side and the B side are made to be in conditions of the same cabinet, the same temperature, the same thing, and the same time; the A side and the B side are constructed into an experiment only having a single factor variable, and therefore, whether the food freshness preservationeffect of a static electricity environment is different from that of a conventional environment can be researched.

The invention relates to a particulate matter sensor calibrating and working property parameter measuring device, and belongs to a data measuring and testing device for concentration of particulate in air environment. The particulate sensor calibrating and working property parameter measuring device is characterized by comprising a particulate matter storage bin, a disc cigarette lighter and a testing cabin, wherein the particulate storage bin is used for storing particulate matter produced by the cigarette lighter and supplying to the testing cabin; the disc cigarette lighter is arranged in the particulate matter storage bin; the testing cabin is used for controlling the concentration of testing particulate matter and the temperature and the humidity; a temperature and humidity control device is arranged in the testing cabin; an air pump is arranged in the particulate matter storage bin, and is communicated with the testing bin through an air conveying pipeline; the air pump is electrically connected with a timing driving circuit module of the air pump. The particulate sensor calibrating and working property parameter measuring device has the advantages that the matter specified by the national standard, namely Hongtashan cigarette, is used as the source of standard particulate matter, and the testing environment with constant concentration, temperature and humidity is obtained for calibrating the particulate matter sensor; the device is simple, the manufacturing cost is low, the operation is simple, and the automation degree is high.

The invention discloses a method for improving the germination rate and the survival seedling rate of pear hybrid seeds. The method comprises the steps that 1, hybrid fruits are picked and stored, wherein mature fruits are picked and stored in a storage room for one month; 2, the seeds are stripped; 3, the seeds are laminated, wherein the seeds need to be refrigerated in a refrigerator at the temperature of 2-6 DEG C for about 60 days; 4, sowing is carried out, wherein germinated seeds are directly sown, and non-germinated seeds are soaked in clean water and sown after the seed outer skin and inner skin are peeled; seedling management is carried out, wherein 3% metalaxyl-hymexazol 500-fold aqueous solution is used for irrigating roots 1-2 times in the two-leaf stage, and seedling stage damping off is prevented; operation is easy and convenient, the method has the advantages of being high in seedling emergence speed, uniform in seedling emergence, high in survival seedling rate and the like, the seed culture efficiency is effectively improved, and practicability is strong; the germination rate and the survival seedling rate of pear hybrid seeds are further improved.

The invention discloses a double-temperature-zone constant-temperature and constant-humidity wine cabinet control method. The method comprises the following steps of the process of first N times of start-stop control:, obtaining the temperature of two wine storage cavities, and controlling a refrigeration circulation loop and an air supply device according to the relationship between the temperature and a preset temperature; in the control process after the Nth stop, the temperature and humidity in the first wine storage cavity and the second wine storage cavity being obtained, and when it is detected that the temperature of the wine storage cavity reaches the preset stop temperature or the preset stop humidity, the corresponding refrigeration circulation loop being controlled to stop; when the first refrigeration circulation loop and the second refrigeration circulation loop are stopped, the air supply device of the wine storage cavity with the humidity reaching the preset shutdown humidity being controlled to stop; and when the first refrigeration circulation loop, the second refrigeration circulation loop and the two air supply devices are all in the stop state, the temperature of the wine storage cavity being controlled within the set temperature fluctuation interval according to the control process after the Nth stop. The method is advantaged in that a problem that in the prior art, humidity inside the wine cabinet capable of being humidified fluctuates greatly is solved.

The invention discloses a wine cabinet adopting a Sterling refrigerating machine, which comprises a wine cabinet box body and a refrigerating system. The wine cabinet is characterized in that the refrigerating system is formed by connecting the Sterling refrigerating machine, a gravity assisted heat pipe radiating device, a cored heat pipe cold conducting device, an annular locking piece and an annular fastening piece, and is arranged on the top of the wine cabinet box body; a steel sheet which has nonuniform micropores and is parallel to a rear plate is arranged in the front of the rear plate inside the wine cabinet box body and below a cored heat pipe cold conducting device; and a gap between the rear plate and the steel sheet forms an air flue. In the wine cabinet, due to the combination of the technology of the Sterling refrigerating machine and a heat pipe, the temperature control accuracy in the wine cabinet is high and the environmental suitability is high, so the characteristic of constant temperature and humidity in the wind cabinet in the stable state is realized easily.

The invention relates to the technical field of food processing and preservation, and provides a rice preservation method and device. The method comprises the steps of injecting a solution into a jacket cavity, closing a cover, and opening a heating base; when the temperature of the solution rises to a first target temperature, starting a water pump and an ultrasonic atomizer or an evaporation molecular sieve humidifier, atomizing the solution with the first target temperature and introducing the solution into an inner container of the jacket cavity through a pipeline, so that the relative humidity of the inner container of the jacket cavity is not lower than a first preset threshold value; and rapidly transferring rice to be preserved to a porous container, then putting the porous container into the inner container of the jacket cavity, and closing the cover. Ultrasonic waves or molecular sieves can be used for atomizing hot water with the temperature of 80 DEG C to form small liquiddrops to realize the constant temperature and humidity in a heat preservation chamber and reduce water loss, and the temperature is obviously lower than that of traditional water vapor with the temperature close to 100 DEG C, so that the surface dryness of the rice can be avoided within 8 hours or even longer time, and the yellowing phenomenon caused by the high temperature in a traditional process can also be avoided.

The invention provides a refrigerator comprising opposite-type vibration-free work recovery pulse tube cryocoolers. The refrigerator comprises a refrigerator body and a refrigerating device. The refrigerating device comprises a refrigerating machine part, a cold guide part and a control part. The refrigerating machine part comprises a compression unit, a cold finger unit and a work recovery unit which are arranged linearly. The compression unit is provided with a compression cavity. The cold finger unit is provided with a work recovery cavity and an expansion cavity. The expansion cavity communicates with an after-grading heat exchanger, a cold-end heat exchanger and a hot-end heat exchanger. The compression cavity communicates with the after-grading heat exchanger through a compression pipe. The work recovery unit is provided with a work recovery cavity and an expansion cavity, wherein the expansion cavity communicates with the hot-end heat exchanger through a pipe, and the work recovery cavity communicates with the compression pipe through a work recovery pipe. The cold guide part comprises a plurality of pulsation heat pipes. Each pulsation heat pipe is provided with a condensation section and an evaporation section. The condensation sections of the pulsation heat pipes are connected with the cold-end heat exchanger. The evaporation sections are arranged in a temperature varying chamber in the refrigerator body. The control part comprises a controller connected with the refrigerating machine part and is used for controlling the compression unit to input voltage so as toaccurately control the cryogenic temperature.

The present invention is oriented to the parameter adjustment method of MEMS probe single-axis symmetric bending test and belongs to the field of IC manufacturing industry; the method realizes lifting by changing the assembly position of the slider on the main board and selecting the position of the lifting structure inserted into the circular through hole on the slider The distance between the structure and the z-axis can be adjusted to meet the needs of different size probe tests; the lifting rod is selected as a telescopic structure, and the length of the lifting rod can be adjusted by changing the length of the lifting rod; the first plate and the second plate are selected as telescopic The structure, by changing the length of the first plate and the second plate, realizes the adjustment of the distance from point C or D to point o; Any one or any two or all three of these parameters can realize the adjustment of the single-direction motion displacement of the lifting structure, and then realize the test requirements of the probe under different parameters.

The invention discloses an MEMS probe single-rotating-shaft symmetrical bending test structure and a pitching arm thereof, and belongs to the field of IC manufacturing industry. The MEMS probe single-rotating-shaft symmetrical bending test structure is sequentially provided with a first main rotating shaft, a first shaft adapter piece, a cross adapter piece, a second shaft adapter piece and a second main rotating shaft from top to bottom, and the first main rotating shaft, the first shaft adapter piece, the cross adapter piece, the second shaft adapter piece and the second main rotating shaftare symmetrical up and down relative to the cross adapter piece. A rotatable left pitching arm is coaxially mounted at the left end of the cross-shaped adapter, and a rotatable right pitching arm is coaxially mounted at the right end of the cross-shaped adapter. Lifting rods are mounted at the outer end parts of the left pitching arm and the right pitching arm through rotating shafts, the lower end parts of the lifting rods are connected to the top end of the lifting structure, and the lifting structure moves up and down. The structure can test the tensile property and the bending property ofa plurality of probe cards with different sizes at the same time, because only one motor is needed for realization, the condition that a plurality of driving devices are crowded under a small size isavoided, and the heat dissipation problem of the MEMS device is further solved.