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1296results about "Enclosures/chambers" patented technology

Gas-liquid double-cooling low-temperature thermostatic bath

The utility model belongs to the technical field of temperature control equipment, and particularly relates to a gas-liquid double-cooling low-temperature thermostatic bath which comprises a machine body, a bath body and a refrigeration mechanism, and the bath body and the refrigeration mechanism are located in the machine body. The refrigerating mechanism is connected with a condensate coil pipe in the tank body, the tank body is connected with a liquid inlet and a liquid outlet, and liquid in the tank body circulates or circulates through the liquid inlet and the liquid outlet. A gas coil pipe is further arranged in the tank body, a gas inlet connector and a gas outlet connector are arranged on the side face of the machine body, and gas enters the gas coil pipe through a pipeline and the gas inlet connector and flows out of the gas outlet connector after being cooled by liquid in the tank body. The liquid and gas cooling device can meet the cooling requirements of liquid and gas, is suitable for wider experiment or industrial application scenes, is particularly applied to the working condition that the liquid and the gas are cooperatively cooled, has higher adaptability, can better keep the consistency and the stability of the temperature, and saves time and resources.
Owner:JIANGSU TIANLING INSTR CO LTD

Spatial experiment sample observation mechanism, spatial experiment device and fluid physics experiment cabinet

The invention relates to a space experiment sample observation mechanism, a space experiment device and a fluid physics experiment cupboard, the space experiment sample observation mechanism comprises a plug connector, a sample sleeve and a first heating sheet, the first heating sheet is arranged on the sample sleeve, one end of the sample sleeve is fixed on the back side surface of the plug connector, and the other end of the sample sleeve is fixed on the back side surface of the plug connector; a sample clamping part is arranged at the other end of the sample sleeve; the sample clamping part comprises a circular-arc-shaped sample clamping piece with an opening in the upper side, a bottom connecting piece and a cylindrical sample clamping piece, the sample sleeve, the circular-arc-shaped sample clamping piece and the cylindrical sample clamping piece are coaxially arranged, and the sample sleeve, the circular-arc-shaped sample clamping piece, the bottom connecting piece and the cylindrical sample clamping piece are sequentially connected; the bottom of the arc-shaped sample clamping piece is fixedly connected with the bottom of the cylindrical sample clamping piece through a bottom connecting piece, a sample observation interval position is reserved between the arc-shaped sample clamping piece and the cylindrical sample clamping piece, and a sample observation opening position penetrating in the direction perpendicular to the axis of the cylindrical sample clamping piece is formed in the side wall of the cylindrical sample clamping piece.
Owner:TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI

Multi-stage vacuum heat-insulation high-temperature experimental equipment

PendingCN121004040AEnclosures/chambersHeat insulating devicesHand partsAir cavity
The invention relates to the technical field of biological medicine industry, and provides a multi-stage vacuum heat-insulation high-temperature experimental facility which comprises a body, the body comprises an external box body and an inner container fixed in the box body, a flow guide cover is fixedly installed in the inner container, a detachable material plate is installed in the flow guide cover in a clamped mode, and the material plate is connected with the box body. Steps which are diagonally arranged are formed at the upper end and the lower end of the inner container, an air channel is formed between the inner container and the flow guide cover, an air cavity is formed between the inner side of each step and the flow guide cover, and a movable push plate is arranged in each air cavity; it can be understood that the flow guide cover is arranged in the inner container, the air channel and the air cavity are formed between the flow guide cover and the inner container, airflow circulation is driven by means of movement of the push plate in the air cavity, and materials are evenly heated on the material plate; meanwhile, the material plate is clamped in the flow guide cover through the elastic piece and can be easily installed and taken out through operation of a hand lever, direct contact with the hand is avoided, and using convenience and safety are improved.
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Environmental test box capable of realizing high and low temperature rapid alternating circulation

The invention relates to an environmental test box for realizing high and low temperature rapid alternating circulation, which is mainly applied to the technical field of environmental test equipment. The test box is provided with a high-temperature chamber and a low-temperature chamber which are independent from each other, a thermal insulation layer is arranged between the two chambers, and the test box can respectively keep constant temperature environments at the highest temperature of + 75 DEG C and the lowest temperature of-50 DEG C; during a test, a sample is placed in the test bed, and the rotating shaft structure driven by the motor periodically rotates in a reciprocating manner or rotates in the same direction among different temperature zones, so that high-low temperature rapid alternating circulation is realized. The operation mode of the motor is controlled through the control system so as to simulate the accelerated aging process of the component in the temperature rapid alternating environment. According to the test box, through the design of the control system, the forced convection fan and the middle thermal insulation layer, it is guaranteed that the temperature switching process is rapid, uniform and stable. Compared with the prior art, high and low temperature circulation can be completed without overall heating and cooling of the interior of the test box, and the test box has the advantages of being high in test efficiency, capable of remarkably improving the reliability and accuracy of the high and low temperature alternating circulation test of the sample and the like.
Owner:LANZHOU JIAOTONG UNIV

Space microscopic sample support, space experiment device and fluid physics experiment cabinet

The invention relates to a space microscopic sample support, a space experiment device and a fluid physics experiment cupboard, the space microscopic sample support comprises a support body and a heating sheet, one side surface of the support body is provided with the heating sheet, the other side surface of the support body is recessed to form a sample slot, and the heating sheet is arranged in the sample slot. And an observation light path penetrating through the bottom of the sample slot is arranged on the bracket body. According to the space microscopic sample support, a microscopic sample is taken out by an astronaut and placed on the sample support during observation, the sample support can maintain the liquid state of the microscopic sample during observation, and temperature uniformity is ensured.
Owner:TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI

Spatial experiment sample temperature processing device and spatial fluid physical experiment cabinet

The invention relates to a space experiment sample temperature processing device and a space fluid physics experiment cabinet, and the space experiment sample temperature processing device comprises a housing, an alternating temperature on-orbit sample drawer, a constant temperature on-orbit sample drawer, an alternating temperature descending sample drawer and a constant temperature descending sample drawer. An alternating temperature on-orbit sample cavity, a constant temperature on-orbit sample cavity, an alternating temperature descending sample cavity and a constant temperature descending sample cavity are arranged in the shell, an alternating temperature on-orbit sample drawer is arranged in the alternating temperature on-orbit sample cavity, and a constant temperature on-orbit sample drawer is arranged in the constant temperature on-orbit sample cavity; the alternating temperature descending sample drawer is arranged in the alternating temperature descending sample cavity, and the constant temperature descending sample drawer is arranged in the constant temperature descending sample cavity; the shell is provided with a temperature regulating mechanism for regulating and controlling the temperature of the alternating temperature on-orbit sample drawer, the constant temperature on-orbit sample drawer, the alternating temperature descending sample drawer and the constant temperature descending sample drawer.
Owner:TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI

High and low temperature test box with uniform heating

The utility model belongs to the technical field of test boxes, and particularly relates to a high-low temperature test box with uniform heating. Comprising test cavities which are arranged in a test box at intervals left and right; a placement net plate is embedded in the bottom of the test cavity; the fans are arranged below the placing net plate in a bilateral symmetry manner; the air inlet end of the fan is communicated with the test cavity through the placing screen plate, and the air outlet end of the fan is communicated with the air duct cavity; the air duct cavities are distributed on the left side wall and the right side wall of the test cavity in a bilateral symmetry manner; a spoiler is vertically and obliquely arranged in the air duct cavity, and an air distribution plate is arranged at the air return end of the air duct cavity. According to the utility model, through the arrangement of the spoiler and the air distribution plate in the air duct cavity, high and low temperature airflow with uniform airflow distribution can be provided for the interior of the test cavity, so that the temperature rise rates of different areas are consistent, and the uniform heating effect during product testing is further improved.
Owner:WUXI YIBOFAN ENVIRONMENTAL TESTING EQUIPMENT CO LTD

Temperature-controllable asphalt concrete non-contact slope flow instrument device

The utility model discloses a temperature-controllable asphalt concrete non-contact slope flow instrument device, which comprises a temperature control box and an angle adjusting device, the angle adjusting device comprises a bottom support, an adjusting plate and a base, the left end of the adjusting plate is rotatably connected with the bottom support, the base is arranged below the adjusting plate, a sample table is arranged on the upper surface of the base, and the sample table is connected with the temperature control box. The sample table penetrates to the position above the surface of the adjusting plate, a sample is arranged on the sample table, an adjusting screw is arranged on the upper surface of the base and penetrates to the position above the adjusting plate, an adjusting nut is arranged on the adjusting screw, and a heat insulation glass box is arranged on one side of the upper surface of the adjusting plate. A rechargeable battery, an angle display and a laser displacement sensor are arranged in the heat insulation glass box; according to the structure, an independent heat insulation glass box is adopted, a laser hole and a heat insulation film are arranged, and the heat insulation film is used for reducing errors, caused by refraction, of a laser beam penetrating through the high-temperature-resistant heat insulation glass box on the sample placement position and deformation data of the sample.
Owner:SHAANXI TRANSPORTATION VOCATIONAL & TECH COLLEGE

Pipette tip extension, pipette tip, assembly of pipette tip and pipette tip extension, and method of use

A pipette tip extension having a proximal end, a distal end, and an exterior wall extending between the proximal end and the distal end is disclosed. The exterior wall has an outer side and an inner side and encloses an inner cavity which is delimited by the inner side of the exterior wall. The exterior wall forms at the proximal end a reception aperture. The pipette tip extension further has one or more distance elements arranged at the inner side of the exterior wall and protruding into the inner cavity.
Owner:TECAN TRADING AG

Rain test box convenient to maintain

The utility model relates to a rain test box convenient to maintain, which comprises a test box and a test bench fixedly arranged at the bottom of the inner cavity of the test box, a spray head assembly is arranged in the test box, the spray head assembly comprises rotating shafts rotationally arranged at the left side and the right side of the inner cavity of the test box, and a semicircular pipe is fixedly arranged between the two rotating shafts. And a plurality of external thread connecting pipes penetrating into the semicircular pipe are fixedly mounted at the bottom of the semicircular pipe. According to the rain test box convenient to maintain, after a product is placed at the top of the test bed, a water pump sucks water through an extraction pipe, the water enters a filter box through a drainage pipe and is purified by a filter assembly, and the water flows into a semicircular pipe through a hard pipe and a folding pipe, is sprayed out from a nozzle of an external thread connecting pipe and is concentrated at the top of the test bed for a waterproof test; the driving unit drives the semicircular pipe to rotate, multi-directional spraying of the product is achieved, the nozzle blocking risk is reduced through the filtering assembly, and the nozzle can be easily rotated, detached and cleaned when blocked.
Owner:WUHAN SHANGSHI TEST EQUIP CO LTD

Optical thermostat with comprehensive vibration reduction and low-temperature in-situ displacement functions

The invention discloses an optical thermostat with comprehensive vibration reduction and low-temperature in-situ displacement functions, which adopts upper and lower opposite vibration absorbers and a large-mass base to realize first-order to second-order inertial vibration absorption, and further realizes thorough decoupling with an optical platform in a suspension type non-contact manner, and the vibration transmissibility can be reduced to be less than 10%. Resonant frequencies of two systems (a sample table system and a cold head system) are designed to achieve vibration decoupling. The technical problems that in the prior art, the high-grade vibration isolation capacity is insufficient, refrigerator noise is easily coupled to a measuring light path, the low-temperature in-situ precision displacement capacity is lacked, and the contradiction between heat isolation, convenience and cost is difficult to balance can be solved. Under the support of a conventional GM refrigerator, the comprehensive requirements of ultralow basic vibration, strong decoupling of a measurement light path, low-temperature in-situ micron-sized displacement, convenient sample replacement and efficient refrigeration / thermal control are met at the same time.
Owner:BEIJING INST OF TECH

Environmental simulation equipment based on internal corrosion test

The invention relates to the technical field of corrosion tests, in particular to environment simulation equipment based on an internal corrosion test, which comprises a test box, a collection box and a water bath box, the test box is fixedly mounted at the top of the water bath box through four supporting blocks, and the four supporting blocks are respectively positioned at four corners between the test box and the water bath box; the medium box enables the spraying assembly to accurately spray a test medium in the box to the surface of a test sample borne by the bearing assembly through the water inlet pipe and the spraying assembly, a corrosion test simulation environment is constructed, the flow sensor collects medium flow signals in real time, and the control module adjusts the rotating speed of the water pump and the opening degree of the electromagnetic valve according to signal feedback. Precise detection and dynamic adjustment of the spraying flow are achieved, the consistency of spraying working conditions of multiple groups of test samples is guaranteed, meanwhile, the water bath box conducts temperature pretreatment on media in the medium box in a water bath heating mode, the water bath box and a thermometer complete cooperative regulation and control of the temperature, precise control of the test temperature is achieved, and the corrosion simulation requirements of different service environments are met.
Owner:SUZHOU MEIXIN TESTING TECH CO LTD

High and low temperature test box

The utility model discloses a high and low temperature test box, which relates to the technical field of test boxes and comprises a test box, a box cover is arranged on one side of the test box, a movable plate is arranged on the inner side of the test box, and a motor rotating component is arranged at the bottom of the test box. A movable buckle is arranged at the top of the box cover; two pull rods are symmetrically arranged at two ends of one side, close to the test box, of the box cover; a rotating disc part is arranged on the upper surface of the movable plate; the rotating disc part comprises a placement disc; the bottom of the placement disc penetrates through the movable plate to be fixedly connected with a triangular clamping pin. And the vertical projection of the triangular bayonet lock is an isosceles triangle. By means of the structure, parts of different sizes and materials can be driven to rotate, better heating is facilitated, inaccurate test results caused by uneven heating are avoided, the movable plate can be pulled out, then the rotating disc part is pulled out, the parts can be taken out conveniently, and the test efficiency is improved.
Owner:YANCHENG LANTIAN TEST EQUIP CO LTD

Implementing barriers for controlled environments during sample processing and detection

Provided herein are methods for processing and / or detecting a sample. A method can comprise providing a barrier between a first region and a second region, wherein the first region comprises the sample, wherein the barrier maintains the first region at a first atmosphere that is different than a second atmosphere of the second region, wherein a portion of the barrier comprises a fluid in coherent motion; and using a detector at least partially contained in the first region to detect one or more signals from the sample while the first region is maintained at the first atmosphere that is different than the second atmosphere of the second region. The portion of the barrier comprising fluid may have a pressure lower than the first atmosphere, the second atmosphere, or both.
Owner:ULTIMA GENOMICS INC

Combined high and low temperature test box

The utility model discloses a combined high and low temperature test box, which relates to the technical field of high and low temperature test boxes and comprises a box body and an electromagnet. A box door is hinged to the front side face of the box body, air inlet pipes are installed at the front end and the rear end of the left side face of the box body, exhaust grooves are evenly formed in the rear side face of the box body, two machine bases corresponding to each other left and right are arranged at the bottom end of the rear side face of the box body, the machine bases correspond to the exhaust grooves in position, and fans are placed in the machine bases. A sealing ring adheres to the front side face of the box body, the number of the electromagnets is two, the electromagnets are installed on the right side face of the interior of the box body, and a combination unit is arranged in the box body. According to the combined type high and low temperature test box, to-be-detected pieces of different specifications can be placed by adopting the placement plate which can be adjustably mounted, and meanwhile, the to-be-detected pieces can be dynamically tested by virtue of the rotatable rotating disc, so that the to-be-detected pieces can be combined and mounted according to different to-be-detected pieces, and the practicability of the test box is further improved.
Owner:CHANGSHU ENVIRONMENTAL TESTING EQUIP CO LTD

Sample storage module

The invention discloses a sample storage module. The sample storage module comprises a shell mechanism, a storage mechanism and a transfer mechanism, the transfer mechanism is arranged in the shell and comprises a bearing assembly, an execution assembly and a first driving assembly, and when the sample frame is moved into the storage frame, the first driving assembly is configured to drive the execution assembly to execute at least two first transfer actions and execute a first reset action between every two adjacent first transfer actions; and when the sample rack is moved out of the storage rack, the first driving assembly is configured to drive the execution assembly to execute at least two second transfer actions and execute a second reset action between two adjacent second transfer actions. According to the sample storage module, the reserved space needed by the transfer mechanism can be reduced through multi-section action setting of the transfer mechanism, and therefore the storage capacity of the sample storage module can be improved.
Owner:SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD

Rolling bearing friction torque testing device

The utility model relates to a rolling bearing friction torque testing device which comprises a driving unit, a diaphragm coupling, a supporting shaft system, a heating ring, a high-low temperature box heat preservation sleeve, a high-low temperature box, a test bearing friction torque testing assembly and a rack. The test bearing friction torque test assembly comprises a test bearing outer bush, a test bearing, a test connecting shaft, a test bearing inner ring gland, a test bearing outer ring gland, a guide rod, a miniature force sensor, a force sensor fixing frame and a high and low temperature box base. The friction torque testing device is ingenious in design, simple in structure, convenient and practical, can simulate testing of starting friction torque and operation friction torque of the rolling bearing in high and low temperature environments, fills the blank of friction torque measurement of the rolling bearing in the high and low temperature environments in the bearing industry, enhances testing technical means and methods of the rolling bearing in high and low temperature aspects, and improves testing efficiency. Compared with the prior art, the device has good market prospect and development space.
Owner:LUOYANG BEARING RES INST CO LTD +1

Integrated collection device for waste oil in laboratory

The utility model discloses an integrated collection device for waste oil in a laboratory, and belongs to the technical field of waste oil collection and treatment. The turning cover is rotationally connected to the funnel; the mesh screen is detachably connected in the funnel; the diversion pipe is in threaded connection with the bottom of the funnel; the connecting plate is in threaded connection with the connecting ring; the breather pipe is fixedly connected to the connecting ring; according to the utility model, the funnel is fixedly arranged on the waste oil collecting barrel through the device, so that the funnel does not need to be taken down to seal the cover, on one hand, the problem that oil is easy to drip when the funnel is taken out is solved, and on the other hand, the problem that a barrel cover is difficult to open by a single hand when a worker pours round-bottom glass instruments such as a distillation flask and a test tube in the prior art is solved; meanwhile, through the turning cover arranged on the funnel, the problem that in the prior art, waste oil remaining on the funnel is prone to volatilizing and polluting the environment is solved.
Owner:CHINA AVIATION FUEL CO LTD EAST CHINA BRANCH

High and low temperature test chamber circulation risk control system and test method

The invention discloses a high and low temperature test chamber circulation risk control system and a test method. The device comprises a heating cavity, a cooling cavity and a heating / cooling test area, a heater / cooling side fan and a heating / cooling side fan are arranged in the heating / cooling cavity, a heating / cooling placing area is arranged in the heating / cooling test area, and a side heating / cooling flow channel is formed between the heating / cooling placing area and each of the left and right side walls of the heating / cooling placing area. A heating air flow channel is arranged between the heating cavity and the heating test area, and the heating cavity is also communicated with the two side heating flow channels respectively; a cooling airflow channel is arranged between the cooling cavity and the cooling test area, and the cooling cavity is further communicated with the two side cooling flow channels. The temperature control box has the advantages that the uniformity of air flow is fully considered, a medium for heating and cooling circulates, diffuses and distributes uniformly in the temperature control box, the problem that the air speed in a local area is too fast or too slow to form a temperature gradient is effectively avoided, and the aging test effect and accuracy are greatly improved.
Owner:WUXI YIBOFAN ENVIRONMENTAL TESTING EQUIPMENT CO LTD

Microfluidic analysis equipment

The invention belongs to the technical field of microfluidic detection, and relates to microfluidic analysis equipment which comprises a lower shell, an outer shell, an inner lower shell, an inner upper shell, a kit mounting seat, a driving device, a magnet moving structure, a pressing structure and other core components. A kit mounting seat in the inner lower shell can be driven by a driving device to slide, a magnet moving structure drives a magnet to move along a magnet slideway of the kit to promote a micro-flow reaction, and a pressing structure presses a pressing part of the kit to assist the reaction; meanwhile, structures such as slide rail and slide block matching, motor lead screw transmission, two-dimensional code scanning, light path adjustment and temperature control are integrated, so that accurate positioning, intelligent adaptation and stable reaction environment of the kit are realized, and the detection accuracy is improved. The problems that an existing device is single in driving mode and insufficient in detection precision are solved, and the device is compact in structure, high in universality and capable of being widely applied to the fields of medical diagnosis, environment monitoring and the like.
Owner:SHANDONG AIKEDA BIOTECHNOLOGY CO LTD

Glass instrument intelligent storage cabinet with recognition, classification and detection functions

The invention discloses an intelligent glassware storage cabinet with recognition, classification and detection functions, and relates to the technical field of experimental facilities, the intelligent glassware storage cabinet comprises a glassware storage unit, a recognition and detection unit, an object taking and conveying unit and a control unit, and the glassware storage unit is installed in a storage cabinet body. The profiling groove of the memory sponge lining of the glass instrument storage unit is matched with instruments of the same type and multiple specifications, the pressing assembly achieves dynamic pressing through the micromotor and the pressure sensor, and the complexity of manually replacing a mold is avoided. The recognition and detection unit fuses a visual camera and a four-way ultrasonic detection module, accurate judgment of instrument types is achieved through visual recognition, an ultrasonic probe scans the interior of the instrument from the front, back, left and right faces, and hidden damage such as microcracks can be detected. The object taking conveying unit conveying belt achieves efficient linkage of a storage area and an object taking area, the object taking time of a single instrument is greatly shortened, the concentrated object taking efficiency of instruments of multiple specifications is improved, and the wrong taking rate is reduced.
Owner:XINJIANG SHIHEZI VOCATIONAL TECHN COLLEGE

Cryogenic cooling module and cryogenic cooling system

A cryogenic cooling module comprises a vacuum chamber mmoodduullee (501) and, sup¬ ported therein, thermal stages (301, 302, 303) spatially displaced from each other in a first direction (310) and one or more heat radiation shields (304, 305, 306) corresponding to at least a subset of said thermal stages (301, 302, 303). A shape of said vacuum chamber module (501) is at least partly defined by one or more planar sides extending in said first direction (310). The vvaaccuuuumm chamber module (501) has an opening on one planar side, with a vacuum finish arrangement on edges (502) of said opening for enabling gastight closing. The thermal stages (301, 302, 303) reach, in a second direction (311) perpendicular to said first direction (310), to a first common interface plane (503) at or close to a plane defined by the edges (502) of the opening. Each of said one or more heat radiation shields has a respective second opening, edges of which reach to said first ccoommmmoonn inter- face plane (503).
Owner:BLUEFORS OY

High-specific-energy lithium battery test platform and evaluation method

The invention discloses a high-specific-energy lithium battery test platform and an evaluation method, and relates to the technical field of lithium battery tests.The test platform has the function of testing environmental reliability, electrical performance and safety and can apply multi-combination stress to a high-specific-energy battery under the environmental simulation working condition. And the change trend can be calculated, fitted and analyzed for test data, and the failure mode of the battery is warned in advance, so that the reliability verification target of a battery designer is met. According to the application, multi-combination stress can be applied to the high-specific-energy battery under the environment simulation working condition, the test data can be calculated to evaluate the SOH, the failure mode of the battery is early warned and identified in advance, and the reliability capability verification target of the battery is met.
Owner:RADIO & TELEVISION METROLOGY & TESTING (TIANJIN) CO LTD +4

Explosion-proof high and low temperature test chamber

The utility model discloses an explosion-proof high and low temperature test chamber, which comprises a fresh air fan, a stirring fan and a strong exhaust fan, and further comprises a temperature control module used for controlling the temperature in the chamber of the test chamber; the humidity control module is used for controlling the humidity in the cabin; and the sampling module is used for sampling and detecting gas in the cabin. The oil temperature heat exchange mode is adopted, and a heat source is arranged outside the anti-explosion area, so that the temperature can be accurately controlled, the anti-explosion effect can be ensured, and the application of an anti-explosion scene is realized; by adopting a sampling mode of condensing and then analyzing, not only is the real-time monitoring of the state of the gas in the cabin in a high-temperature state realized, but also the safety is greatly improved.
Owner:SHANGHAI FUXUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Constant-temperature simulation box with circulating air flow

The invention relates to the field of constant-temperature simulation boxes, in particular to a constant-temperature simulation box with circulating airflow, which comprises an outer box body and an inner box body, the inner box body is arranged in the outer box body, a mounting box and a speed regulation part are arranged in the inner box body, a fan is arranged in the mounting box, and the mounting box and the speed regulation part are connected through a communicating pipe. Wind power is provided for the speed regulating part through the mounting box; the speed adjusting piece comprises a fixing plate and a nozzle, and a plurality of ventilation holes are formed in the fixing plate. By designing a multi-stage adjustable speed regulation part structure and cooperating with the first adjusting head and the second adjusting head which are driven by the electric telescopic rod, automatic grading regulation and control of the airflow velocity are achieved, the air outlet hole diameter can be flexibly switched according to the characteristics of a test sample, high-speed direct blowing airflow can be provided for impact-resistant and non-thermosensitive samples, the heat exchange efficiency is improved, and the heat exchange efficiency is improved. The impact damage to fragile and thermosensitive samples caused by high-speed airflow can be avoided, and the test adaptation capability of equipment to samples with different characteristics is improved.
Owner:RUIQIN TECHNETIUM (SHANGHAI) ENVIRONMENTAL TESTING EQUIPMENT CO LTD

Solid-phase extraction device

The utility model relates to the technical field of medical instruments, and provides a solid-phase extraction device, which comprises a cover plate, a flow control valve, a diversion trench and a waste liquid collection box, and is characterized in that the flow control valve is mounted at the top of the cover plate in an inserting manner; the flow guide groove comprises a flow guide plate, a butt strap, a side baffle and a positioning plate, and the flow guide plate is mounted below the cover plate; the lapping plates are obliquely arranged at the two ends of the flow guide plate, and the side baffles are fixedly arranged on the two sides of the flow guide plate and the lapping plates; the positioning plates are fixedly arranged at the two ends of the bottom of the flow guide plate, and the positioning plates are perpendicular to the cover plate; the flow guide plate is arranged below the cover plate, the waste liquid collecting boxes are arranged at the two ends of the flow guide plate, waste liquid flows into the waste liquid collecting boxes under the action of the flow guide plate, the flow guide plate is installed between the cover plate and the cylinder body, and the flow guide groove can be directly drawn out after use. The cover plate is combined with the cylinder body, the operation process is simplified, and operation is convenient.
Owner:SHANDONG XINJIAXIANG TESTING TECH CO LTD

Temperature modeling test device and test method for rate gyroscope

The invention relates to a rate gyroscope temperature modeling test device and a test method, and relates to the technical field of rate gyroscope test.The device comprises a high-low temperature test box, a rotary table module and a measurement and control module, the high-low temperature test box provides a-50 DEG C to 200 DEG C wide temperature environment, the rotary table module exerts an accurate rotating speed, and the measurement and control module is connected with the high-low temperature test box; the measurement and control module realizes automatic temperature control, rotating speed control and multi-parameter synchronous acquisition. A hollow rotating shaft and a titanium alloy heat insulation coupling are adopted to isolate heat conduction, and a 24-bit AD acquisition card is combined to obtain an output signal of the gyroscope. The method comprises the steps of multi-temperature-point heat preservation, positive and negative rotating speed testing and data acquisition, construction of a temperature-angular speed-output three-dimensional model, and fitting of a nonlinear compensation formula through a least square method. According to the invention, automatic high-precision testing in a wide temperature range is realized, the scale factor precision and the zero-bias stability of the gyroscope in a high-temperature environment are remarkably improved, and the method is suitable for high-temperature application scenes such as geological exploration and petroleum drilling.
Owner:BEIJING CHUANGYI MICRO-NANO TECHNOLOGY CO LTD

Waste oil collecting device

The utility model relates to a waste oil collecting device and relates to the technical field of lubricating oil experimental equipment. The vehicle comprises a vehicle body, a supporting assembly, a filtering assembly, an oil receiving piece and a collecting barrel, a fixing part is arranged on the vehicle body; the supporting assembly is detachably arranged on the fixing part, and the supporting assembly is configured to be capable of fixing a sample bottle so that the sample bottle can be inverted; the filtering assembly is detachably arranged in the fixing part, and the filtering assembly is configured to be capable of filtering an oil sample in the sample bottle; the oil receiving piece is arranged on the vehicle body and is positioned below the filtering assembly so as to receive the oil sample filtered by the filtering piece; the collecting barrel is arranged on the vehicle body and located below the oil receiving piece, and the collecting barrel is communicated with the oil receiving piece so as to collect the oil sample flowing out of the oil receiving piece. According to the technical scheme disclosed by the utility model, the problems of low treatment speed and time and labor waste due to the fact that oil is poured out by manually holding a sample bottle in the existing oil sample treatment can be solved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Device for testing adhesive strength of lead plaster of polar plate

The utility model provides a polar plate lead plaster adhesive strength testing device which comprises a main body frame, a polar plate releasing device is arranged at the upper end of the main body frame and comprises a mounting bottom plate, and an air cylinder connecting plate is fixedly connected to the middle of the upper end of the mounting bottom plate. The side wall of the air cylinder connecting plate is fixedly connected with a pneumatic finger, two clamping jaws of the pneumatic finger are fixedly connected with reset buckle mounting blocks, reset buckles and pin shafts are arranged on the reset buckle mounting blocks, and rotating shafts are rotationally arranged on the two sides of the lower portion of the mounting bottom plate. The side wall of the rotating shaft is fixedly connected with a bearing plate and a rotating shaft limiting block, one end of the rotating shaft limiting block is in lap joint with the edge of the reset buckle, and a tension spring is arranged in the middle of the rotating shaft limiting block. The device is suitable for testing polar plates with different sizes and weights.
Owner:JIANGSU LEOCH BATTERY