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26results about How to "Achieve flow" patented technology

Flat wire motor cooling system of an oil cooling path

The application relates to the motor technical field, in particular to an oil cooling path flat wire motor cooling system, which comprises a heat dissipation oil channel arranged in the side wall of the shell of the flat wire motor, a heat dissipation box with an internal cavity and containing refrigerant is arranged outside the flat wire motor, a volatilization port is arranged on the heat dissipation box, a liquid inlet pipe is arranged in communication between the heat dissipation box and the liquid inlet port of the heat dissipation oil channel, a liquid outlet pipe is arranged in communication between the heat dissipation box and the liquid outlet port of the heat dissipation oil channel, an elastic oil bag in a spindle type and with an internal cavity is arranged in the heat dissipation box, one end of the elastic oil bag is communicated with the liquid inlet pipe, the other end of the elastic oil bag is communicated with the liquid outlet pipe, and a rolling oil assembly for rolling and extruding the elastic oil bag is further arranged on the heat dissipation box. The application has the advantages of improving the heat dissipation effect of the flat wire motor.
Owner:SHUN DRIVING FORCE TECHNOLOGY (NINGBO) CO LTD

A ball valve

The application discloses a ball valve, which comprises a main pipeline, a fixed cover is fixedly connected to the upper side wall of the main pipeline, a ball is movably embedded in the inner wall of the main pipeline and is located below the fixed cover, an arc-shaped movable groove matched with the ball is formed in the inner wall of the main pipeline, a water through hole is formed in the middle part of the ball, a rotating shaft is movably and fixedly connected to the upper side wall of the ball and extends through the inner top wall of the main pipeline and into the fixed cover, a tooth rod is movably and fixedly arranged in the upper side wall of the fixed cover, and a limiting mechanism is arranged on one side of the tooth rod in the fixed cover. The rotating mode is replaced by the pressing mode, so that the ball valve is conveniently opened, and under the impact of flowing water on the turbine, the cleaning brush can reciprocally clean the filter screen, the filtering effect of the filter screen is ensured, the main pipeline is prevented from being blocked, and the user only needs to push the push plate inward to achieve the effect that the ball valve is automatically closed, so that the ball valve is convenient to use.
Owner:C MARK XIAMEN VALVE CO LTD

A plugging plug sealing performance test unit, a multi-stage plugging plug sealing performance test system and method

PendingCN122084206AChanging contact stress stateSolve problems affecting sealing performanceMeasurement of fluid loss/gain ratePressure transmissionMechanics
This invention relates to a sealing performance testing unit, a multi-stage sealing performance testing system, and a method for sealing plugs. The testing unit includes: a loading assembly comprising an inner cylinder and an outer cylinder coaxially arranged and open at both ends, with a gap between them to define a confining pressure annulus. The inner cylinder is used to accommodate the sealing plug to be tested. An end sealing assembly is sealingly connected to both ends of the loading assembly to close the two end ports of the inner cylinder and the confining pressure annulus. A fluid channel system is disposed on the end sealing assembly, including a main fluid channel communicating with the interior of the inner cylinder and a confining pressure channel communicating with the confining pressure annulus. The confining pressure channel is used to connect to an external pressure source to apply radial confining pressure to the inner cylinder. The main fluid channel is detachably connected to the main fluid channel of another adjacent testing unit to form a multi-stage series testing loop. This testing unit can quantitatively analyze the pressure transmission mechanism and synergistic effect between multi-stage sealing plugs.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Internal heat recovery structure of oven for ceramic fiber filter tube processing

The present application relates to the technical field of ceramic fiber filter tube production and processing, in particular to an oven internal heat recovery structure for ceramic fiber filter tube processing, comprising an oven and a heat exchanger arranged on one side of the oven, a hot air circulation assembly is further arranged on the top of the inner wall of the drying chamber, a heat energy recovery assembly is arranged on the top of the oven, and a workpiece preheating assembly is arranged in the preheating chamber. The present application recovers the moisture heat energy discharged from the inside of the drying chamber through the heat energy recovery assembly, and then sends it into the inside of the workpiece preheating assembly, and then preheats the surface of the filter tube, so as to reduce the temperature difference, thereby effectively improving the drying efficiency of the filter tube in the inside of the drying chamber, and recycling the heat energy in the discharged moisture in the inside of the drying chamber to the filter tube, which not only effectively reduces the energy consumption and improves the energy utilization rate, but also effectively saves energy and protects the environment during the ceramic fiber filter tube processing.
Owner:ANHUI ZISHUO ENVIRONMENT TECH CO LTD

Planetary speed reducer with convenient lubricating oil addition

A kind of planetary reducer of convenient lubricating oil addition, the present application relates to planetary gear reducer technical field, the input shaft is threaded and is screwed on one end wall of casing, sun gear is fixedly arranged on input shaft, and sun gear is inserted in ring gear, the output shaft is threaded and is screwed on the other end wall of casing, and output shaft is fixedly provided with planet carrier, planet gear is rotated and is set on planet carrier by pivot, gear shifting limiting mechanism is arranged on casing, scraper is fixedly arranged on the end wall of ring gear, ring gear is rotated and is set in casing by bearing, oil inlet is threaded and fixed on the right end wall of casing, oil outlet is threaded and fixed on the left end wall of casing;It will ring gear and planet carrier are all set as movable structure, while setting corresponding adjustable limiting structure, and setting the cleaning structure matched with the inner wall of casing on ring gear, from the individual convenient in the replacement of the oil in speed reducer the cleaning of inner wall of casing is carried out, and the working procedure when replacing oil is optimized.
Owner:TAIXING SHUNTAI REDUCER CO LTD

Tricholoma matsutake stick soilless culture equipment

The invention discloses tricholoma matsutake stick soilless culture equipment, and relates to the field of soilless culture, the tricholoma matsutake stick soilless culture equipment comprises a box body upper cover, a box body side plate I, a box body side plate II, a rear cover, a front baffle plate and a visual window, the box body side plate I is fixed on one side of the box body upper cover, and the box body side plate II is fixed on the other side of the box body upper cover; the front side of the box body upper cover is movably connected with the front baffle, the box body is characterized in that a supporting groove with an inclined bottom is fixed in the box body upper cover, the lower end of the bottom of the supporting groove corresponds to the rear cover, a water tank is arranged in a cavity formed by the box body upper cover, the first box body side plate, the second box body side plate and the rear cover, and the water tank is arranged in the cavity. And the box body side plate I and the box body side plate II are connected with a mushroom stick rotation driving module. According to the tricholoma matsutake mushroom stick soilless culture equipment, the humidity, temperature and illumination in the box can be controlled and adjusted, the mushroom sticks can be supported, soilless culture is achieved, the mushroom sticks can rotate, and mushrooms can grow better.
Owner:SHANDONG INST OF COMMERCE & TECH

In-vitro cell culture method based on fluid shear force

The invention provides an in-vitro cell culture method based on fluid shear force, which is characterized in that in-vitro cell culture is carried out on cells under the action of fluid shear force at a specific temperature and atmosphere similar to the actual temperature and atmosphere of in-vivo cells, the fluid environment of the in-vivo cells can be simulated, and the in-vivo cells can be cultured under the action of the fluid shear force. A guarantee is provided for improving the accuracy and the reliability of an in-vitro cell culture result. According to the in-vitro cell culture method, the in-vitro cell culture device is placed in a culture box with certain temperature and atmosphere for in-vitro cell culture, and the temperature and atmosphere in the culture box are the same as or basically the same as the actual temperature and atmosphere of cells in vivo. The in-vitro cell culture device comprises a rotary stirring device and a clamping device; the rotary stirring device comprises a motor arranged on the rack and a rotary table connected to an output shaft of the motor, and the rotary table extends into the culture dishes; rotating the turntable to rotate and stir the culture solution in the culture dish; the clamping device is used for clamping or loosening the culture dish.
Owner:JIANGSU STOLI INSTR CO LTD

Artificial quartz stone plate curing equipment and process thereof

The invention provides artificial quartz stone plate curing equipment and a process thereof, and belongs to the field of curing equipment.The artificial quartz stone plate curing equipment is composed of a curing chamber body, a bottom shell, a supporting base, a shaking mechanism, a circulating mechanism, a conveying mechanism and an exhaust mechanism; the storage baskets are arranged to be used for containing an artificial quartz stone plate mold, the sliding blocks are slidably connected to the sliding rails, so that the bottom plate can move, the multiple storage baskets can be driven to reciprocate at the same time through reciprocating movement of the bottom plate, then bubbles can be removed through shaking in the artificial quartz stone plate curing process, and the bubbles are discharged; the rotating shaft A rotates to drive the fan blades to rotate, and the fan blades rotate to extract the inlet air in the bottom shell to enter the curing chamber body, so that the air pushes the air in the curing chamber body from the bottom of the curing chamber body to flow to the top, and then the flowing of heat in the curing chamber body is realized, so that the heat is uniformly distributed.
Owner:ZHONGQI SAIKAILONG (FOSHAN) NEW MATERIALS CO LTD

Silicon carbide ceramic sintering device with uniform heating function

The utility model discloses a silicon carbide ceramic sintering device capable of uniformly heating, which belongs to the technical field of sintering devices and comprises a base, a shell is arranged at the top end of the base, a placing box is arranged in the shell, a protective cover is arranged on the outer wall of the shell, a heating component is arranged in the shell, and a ventilation component is arranged on the outer side of the shell. According to the silicon carbide ceramic heating device, the installation cylinder is arranged in the silicon carbide ceramic heating device, silicon carbide ceramic is placed in the containing box, then the heating rod is used for heating, meanwhile, the motor is started to drive the gear to rotate, and therefore the installation cylinder is driven to rotate through rotation of the gear, and the heating rod is driven to rotate; according to the silicon carbide ceramic sintering device, when silicon carbide ceramic is sintered, a mounting cylinder can drive a heating rod to rotate so that the heating rod can surround the periphery of a containing groove, and therefore the silicon carbide ceramic can be evenly heated, the silicon carbide ceramic can be evenly heated, and the influence of sintering of the silicon carbide ceramic caused by uneven heating is reduced.
Owner:GUANGHAN HONGDA CEMENTED CARBIDE CO LTD

Coal chemical catalyst storage device

ActiveCN224477358Uachieve flowGuaranteed temperature control accuracyTemperature controlPtru catalyst
The utility model discloses a kind of coal chemical industry catalyst storage equipment, it is related to catalyst storage equipment technical field, it includes multiple storage tanks, storage tank top end left and right sides are equipped with pipeline one, storage tank bottom end left and right sides are equipped with pipeline two, and the pipeline one and pipeline two between upper and lower relative are connected with multiple temperature control tubes, and the pipeline one and pipeline two of storage tank top end and bottom end are connected with main pipe one and main pipe two respectively.The kind of coal chemical industry catalyst storage equipment, by being provided with two groups of pipeline one and pipeline two upper and lower relative in storage tank, and the pipeline one and pipeline two between connection have multiple temperature control tubes, realize the flow of multiple circulation path of heat preservation medium in storage tank, can select corresponding flow mode according to the heat preservation demand of storage tank, guarantee the temperature control precision and reliability of storage tank catalyst storage, especially suitable for coal chemical industry field to high temperature, oxidation resistance and uniformity requirement strict scene, provide efficient solution for industrialization large-scale catalyst management.
Owner:LUAN CHEMICAL GROUP CO LTD +1

A mixed fruit wine brewing device suitable for multiple fruits and sugar control fermentation

PendingCN122503193Astable mixachieve flow
This invention discloses a mixed-type fruit wine brewing device suitable for fermenting various fruits with controlled sugar content, belonging to the field of fruit wine processing technology. Its key technical features include: a fermentation tank, with a pressure relief valve installed at the upper end, a support column fixedly connected to the lower end of the fermentation tank, a mounting base fixedly connected to the upper end of the fermentation tank, a mixing component mounted on the upper end of the mounting base, and a feeding component installed on the side wall of the fermentation tank. This invention, by setting up a mixing component, utilizes a dual motion path—a reciprocating up-and-down motion continuously changing the stirring height while simultaneously rotating and stirring—to break the laminar flow of fruit raw materials, achieving three-dimensional flow of fruit raw materials. This ensures uniform composition of the fruit raw materials, and the strong shear force reduces the viscosity of the fruit raw materials, improves fluidity, ensures stable mixing of fruit raw materials during fermentation, and avoids uneven fermentation caused by localized material accumulation.
Owner:宛家伟

Dynamic voltage restorer in high-frequency isolation mode

The utility model discloses a dynamic voltage restorer in a high-frequency isolation mode. The dynamic voltage restorer is connected in series between a power grid US and a sensitive load UL. The dynamic voltage restorer comprises a direct current source Udc, a high-frequency isolation DC / DC circuit, an H-bridge inverter circuit and a thyristor bypass system. The direct current source Udc provides a direct current power supply for the high-frequency isolation DC / DC circuit, and the output of the high-frequency isolation DC / DC circuit is connected with the H-bridge inverter circuit to provide stable direct current voltage for the H-bridge inverter circuit; the output of the H-bridge inverter circuit is connected with the control end of the thyristor bypass system, the input end of the thyristor bypass system is connected with a power grid US, and the output end of the thyristor bypass system is connected with a sensitive load UL. The beneficial effects of the utility model are that the system response speed is fast, the power density is high, the reliability is good, the isolation degree is high, the continuous compensation is supported, and the negative influence of the secondary pulsation on the cascade system is eliminated at the same time.
Owner:AEROSPACE CHANGFENG CHAOYANG POWER SUPPLY

A vortex fan type moisture-proof and dust-proof carrier roller for underground belt conveyors

The application relates to a vortex fan moisture-proof and dust-proof carrier roller for an underground belt conveyor, a labyrinth seal assembly, a bearing seat, a carrier roller shaft and a vortex fan forming an air extraction space. End portions of the carrier roller shaft are provided with an axial air passage connected with a dry and clean air source and a plurality of radial air passages communicated with the axial air passage. The radial air passages are communicated with the air extraction space. The vortex fan is rotated by the roller body to realize the flow of dry and clean gas, so that a dry and clean gas environment is always maintained in the air extraction space, water vapor and coal powder in a coal mine underground are isolated from entering the labyrinth seal assembly, the sealing effect of the carrier roller is improved, the moisture-proof and dust-proof capacity of the carrier roller is improved, water vapor and coal powder cannot enter bearings along gaps in the labyrinth seal assembly to cause damage of the carrier roller bearing and the carrier roller, water vapor and coal powder cannot be gathered in the gaps to cause large rotating resistance of the carrier roller and easy jamming, and the stability of the carrier roller and the underground belt conveyor is ensured.
Owner:NINGXIA TIANDI NORTHWEST COAL MACHINERY

Circuit board copper deposition equipment and method

The invention relates to the technical field of circuit board processing, in particular to circuit board copper deposition equipment and method.The circuit board copper deposition equipment comprises a copper deposition pool body, cleaning pools are arranged on the front side and the rear side of the copper deposition pool body correspondingly, climbing ladders used for material changing are arranged at the ends, away from the copper deposition pool body, of the cleaning pools correspondingly, and sliding seats are arranged on the two sides of the copper deposition pool body correspondingly; a translation frame is installed at the top end of the sliding seat in a rolling mode, sliding grooves are formed in the inner walls of the front ends and the rear ends of the two sides of the translation frame, lead screws are rotationally connected between the inner top faces and the inner bottom faces of the sliding grooves, the tops of the two lead screws at the front end and the rear end are rotationally connected through a conveying belt, driving boxes are installed at the upper ends of the two lead screws on one side, and threaded sleeves are connected to the outer walls of the upper sides of the lead screws. The device is reasonable and compact in structural layout, dead-corner-free copper attaching operation can be achieved for the circuit board, the copper deposition quality of the circuit board is well guaranteed, material changing and fixing are convenient and fast, and therefore a certain guarantee is provided for batch and efficient production of the circuit board.
Owner:YAHONG ELECTRONICS (ZHONGSHAN) CO LTD

Refrigerated cabinet easy to drain water

The utility model discloses a refrigerated cabinet easy to drain water, which relates to the technical field of kitchen equipment, aims to solve the problem of moisture of the refrigerated cabinet during water evaporation, and adopts the technical scheme that the refrigerated cabinet comprises a cabinet body and a water tank which are detachably connected with each other, a first pipeline is communicated between the cabinet body and the water tank, and a cover is arranged on the water tank. A cover is arranged in the cabinet body, an air inlet and an air outlet are formed in the cover, a plurality of groups of atomizers are arranged in the water tank, a second pipeline is rotationally arranged in the cabinet body, a through hole for the second pipeline to penetrate through is formed in the cabinet body, the second pipeline is communicated with the air outlet, and a fan is arranged in the second pipeline. According to the refrigerated cabinet easy to drain water, after water generated by condensation of the refrigerated cabinet flows into the water tank, the water can be atomized by the atomizer and discharged through the fan, dissipation of the water in the water tank is achieved, meanwhile, air flow around the refrigerated cabinet is achieved, and the situation that the air around the refrigerated cabinet is humid is reduced to the maximum extent.
Owner:FUJIAN LANGONG KITCHEN EQUIP CO LTD

Engine noise reduction device

ActiveCN224621573Ueasy accessachieve flow
This utility model relates to the field of noise reduction equipment technology and provides an engine noise reduction device, comprising: a noise reduction housing with an exhaust port at its rear end and an opening at the other end; a cover plate disposed at the opening of the noise reduction housing, the cover plate having an inner tube inside the noise reduction housing, a push plate inside the inner tube, an exhaust gas inlet on the cover plate, the exhaust gas inlet communicating with the interior of the inner tube, exhaust gas entering the interior of the inner tube and pushing the push plate to slide, and an elastic element between the push plate and the inner tube. Thus, this utility model, by setting a noise reduction structure that can adjust the exhaust state, ensures that the working state of the noise reduction structure is automatically adjusted when the engine's operating conditions change, thereby effectively removing engine noise and reducing exhaust back pressure, achieving real-time adjustment of the engine's exhaust back pressure.
Owner:HUAFENG POWER

Multi-section temperature control batching kettle

The utility model discloses a multi-section temperature control batching kettle which comprises a kettle body, a plurality of groups of mixing parts for mixing materials are sequentially arranged in the kettle body from top to bottom, a mixing unit comprises a supporting unit, a mixing flow guide unit and a turbulent flow unit, and the supporting unit, the mixing flow guide unit and the turbulent flow unit are sequentially connected. A plurality of ultrasonic assemblies are respectively assembled on each supporting unit, a driving part is arranged at the top of the kettle body, the driving part is used for driving a stirring part which is arranged in the kettle body and is matched with each mixing part, and a plurality of groups of temperature control parts for controlling temperature are sequentially arranged on the outer side wall of the kettle body from top to bottom; according to the structure of the reaction kettle, a three-dimensional mixing space is constructed through the mixing parts which are arranged up and down, so that materials can flow in areas with different heights, the reaction kettle is matched with the driving part and the stirring part to form an axial and radial composite flow field, solid-liquid shearing and turbulence are enhanced, local agglomeration is reduced, and a plurality of layers of independent temperature control areas are arranged on the outer side of the kettle body, so that the temperature gradient can be dynamically adjusted.
Owner:AN HUI HUA GONG KE JI FA ZHAN YOU XIAN GONG SI

Chemical vapor deposition device for coiled material

The invention provides a coiled material chemical vapor deposition device which comprises a cavity and a production roller set, an air inlet and an air outlet are formed in the cavity, and the production roller set at least comprises an unwinding roller, a winding roller and a heating driving roller. Wherein a substrate material on the unwinding roller is wound on the winding roller after bypassing the heating driving roller, the heating driving roller is used for providing driving force for movement of the substrate material and heating the part, making contact with the heating driving roller, of the substrate material, and the winding roller and the unwinding roller are used for providing reverse torque and providing tension for the substrate material; and the heating driving roller is arranged in the cavity. According to the chemical vapor deposition device for the coiled material, the suspended section of the substrate material is effectively supported through the heating driving roller, the problems of out-of-control tension, intensified vibration, precision reduction, equipment loss and the like caused by too large span of the substrate material in a traditional production process are solved, a traditional hot wall process is converted into a cold wall process, and the production efficiency is improved. And the energy consumption is greatly reduced.
Owner:BEIJING GRAPHENE INST

A multi-stage trench multi-channel integrated schottky diode MISFET and a manufacturing method thereof

ActiveCN116247101BReduce conduction voltage droplow costGate dielectricSchottky diode
The application discloses a kind of multistage trench multi-channel integrated schottky diode's MISFET, comprising: gallium oxide substrate, drain, gallium oxide epitaxial layer, source;Gallium oxide epitaxial layer upper portion is equipped with including M≥2 level sub-trench multistage trench, the opening distance of first level sub-trench to M level sub-trench successively reduces;High resistance zone is equipped in gallium oxide epitaxial layer between multistage trench and the bottom of multistage trench, and N type low resistance zone is equipped on high resistance zone except the bottom of M level sub-trench;Schottky diode is integrated in M level sub-trench;Sub-trench bottom and sidewall except M level are deposited with gate dielectric layer, gate electrode is deposited on the surface of gate dielectric layer, and gate electrode and source are covered with interlayer dielectric layer.The application reduces the electric field at the surface of device, reduces the dependence of device on gate dielectric material thickness, while reducing the forward conduction resistance and third quadrant conduction resistance of device, improves the voltage resistance and reliability of gallium oxide MISFET device.
Owner:HUBEI JIUFENGSHAN LAB

Liquid cooling module and energy storage device

The utility model provides a liquid cooling module and an energy storage device, the liquid cooling module comprises a plurality of liquid cooling assemblies which are sequentially arranged at intervals along the height direction of the liquid cooling module, the liquid cooling assemblies are internally provided with accommodating cavities, and the accommodating cavities are used for placing battery modules; the liquid inlets of the plurality of liquid cooling assemblies are communicated with one another, and the liquid outlets of the plurality of liquid cooling assemblies are communicated with one another, so that the cooling medium can flow among the plurality of liquid cooling assemblies, the cooling medium can be in contact with the battery module from multiple directions, and the cooling uniformity and the heat dissipation efficiency of the battery module are improved.
Owner:EVE ENERGY CO LTD

High-speed box pasting machine for red wine gift box processing

The utility model discloses a high-speed box pasting machine for red wine gift box processing, and relates to the technical field of box pasting machine equipment. The powerful stirring mechanism comprises an L-shaped strip fixedly connected to the top of the glue box, a motor fixedly connected to the back face of the first supporting plate, a swing tooth arm rotationally connected to the front face of the first supporting plate and two limiting sleeves fixedly connected to the front face of the second supporting plate, and a rotating disc is fixedly connected to the surface of an output shaft of the motor. According to the glue stirring device, the powerful stirring mechanism is arranged, the stirring height is continuously changed through up-and-down reciprocating motion, and meanwhile, the dual motion path of rotary stirring is matched, so that glue laminar flow can be broken, glue flowing in a three-dimensional space is achieved, and it is ensured that glue components are uniform; and the strong shearing force can reduce the viscosity of the glue, improve the flowability and ensure the stable supply of the glue during high-speed box pasting.
Owner:HUNAN SUNTIAN PACKAGING CO LTD

Rapid fault detector for electric four-wheeler

The utility model discloses a rapid fault detector for an electric four-wheeler, which relates to the technical field of electric vehicle maintenance equipment and comprises an equipment shell, and a voltage display meter is fixedly arranged at one end of the equipment shell. By arranging the equipment shell, the movable cover, the ventilating fans and the partition plate, when the device detects an electric vehicle, the movable cover can slide in the equipment shell, so that the ventilating fans move to the positions corresponding to the ventilating slots in the outer side of the equipment shell, and at the moment, the two ventilating fans can respectively drive air to enter and exit from the equipment shell; the movable cover is arranged on the equipment shell so that air inside and outside the equipment shell can flow, heat generated by equipment inside the equipment shell can be brought out in the flowing process of the air so that the situation that normal use of the device is affected by heat accumulation can be avoided, the winding reel is arranged at one end of the movable cover, and a wire of the equipment can be wound around the outer side of the winding reel; and the winding reel moves to the outside of the equipment shell along with the movable cover, so that the wire can be taken down conveniently.
Owner:SHANDONG CHANGJING MUNICIPAL ENG CO LTD

A detection device for oxygen sensor chip detection

This invention discloses a detection device for oxygen sensor chip testing, relating to the technical field of oxygen sensor testing equipment. It includes a testing box mounted on a testing platform. The side wall of the testing box has several mounting holes for plug insertion into the oxygen sensor chips. An adjustment pipe connecting to a factory mixed gas pipeline is located on the side of the testing box, and an oxygen pipeline connecting to a factory oxygen supply pipeline is also located on the side of the testing box. Inside the testing box, partitions are slidably arranged along the height direction of the testing box. This detection device for oxygen sensor chip testing, through the use of partitions, flaps, and telescopic components, flexibly achieves zoned isolation control of the testing box, while ensuring full contact between the test gas and the plug. This facilitates rapid and uniform coverage of the sensitive areas of each oxygen sensor chip by the test gas, shortening the response time and improving the consistency and reliability when multiple chips are tested simultaneously.
Owner:AIKESI ELECTRONICS TECH (CHANGZHOU) CO LTD

Fabric one-bath dyeing device

The utility model discloses a fabric one-bath dyeing device, which belongs to the technical field of one-bath dyeing, and comprises a dyeing pool, a heat preservation device arranged in the dyeing pool, a connecting device arranged in the dyeing pool and used for placing cloth, a material mixing barrel arranged on one side of the dyeing pool, and a material pumping centrifugal pump arranged on one side of the dyeing pool. The input end of the material pumping centrifugal pump is communicated with the dyeing pool, the output end of the material pumping centrifugal pump is communicated with the material mixing barrel, a stirring device is arranged in the material mixing barrel, a material returning centrifugal pump is arranged at the top of the dyeing pool, the input end of the material returning centrifugal pump is located in the material mixing barrel, the output end of the material returning centrifugal pump is located in the dyeing pool, and a material spraying pipe is arranged in the dyeing pool. The material return centrifugal pump is communicated with the material spraying pipe, and the material spraying pipe is provided with a material opening, so that the dyeing uniformity can be ensured.
Owner:SHAOXING SHENGMIAO KNITTING CO LTD +2

Injectable recombinant III-type collagen hydrogel and preparation method thereof

PendingCN121987851AMeet the needs of useGood shear thinning reversibilityProsthesisProtein solutionGlutamine aminotransferase
The embodiment of the invention provides injectable recombinant III-type collagen hydrogel and a preparation method thereof, and relates to the field of biomedical materials. The preparation method of the injectable recombinant III-type collagen hydrogel comprises the following steps that recombinant III-type collagen, glutamine transaminase and distilled water are evenly mixed to form a mixed protein solution, the mass concentration of the recombinant III-type collagen in the mixed protein solution is not lower than 1.5%, and the injectable recombinant III-type collagen hydrogel is obtained; the mass ratio of the glutamine transaminase to the recombinant III type collagen is 0.5%-13%; enabling the recombinant III-type collagen in the mixed protein solution to be subjected to an enzyme catalysis cross-linking reaction under the action of glutamine transaminase to form the hydrogel. According to the preparation method, the problems of local rapid crosslinking and phase separation can be reduced, the prepared hydrogel is uniform and transparent in structure, and adjustability of rheological properties and mechanical properties of the hydrogel is realized.
Owner:GUANGDONG WANMEI BIOTECHNOLOGY CO LTD