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96results about How to "Reduce ambient temperature" patented technology

SOEC module and SOEC water electrolysis hydrogen production device based on multi-core module

The invention discloses SOEC modules and an SOEC water electrolysis hydrogen production device based on multiple reactor core modules. The SOEC water electrolysis hydrogen production device comprises a skid-mounted cabinet body, a steam generator, a mixer, an air electric heater and a plurality of SOEC modules, wherein the skid-mounted cabinet body is provided with a deionized ultrapure water inlet, a cathode protection hydrogen inlet, a cold air inlet, a product crude hydrogen outlet and an oxygen-enriched air outlet; the SOEC module comprises a thermal insulation shell and a plurality of electrolytic tank reactor cores; the thermal insulation shell is provided with a high-temperature air module inlet, a hydrogen-containing mixed steam module inlet, an oxygen-enriched air module outlet and a product crude hydrogen module outlet; the electrolytic tank core comprises a high-temperature air single-pile inlet, a hydrogen-containing mixed steam single-pile inlet, an oxygen-enriched air single-pile outlet and a product crude hydrogen single-pile outlet; the mixer is used for mixing cathode protection hydrogen and steam generated by the steam generator into hydrogen-containing mixed steam; the working environment temperature of the air electric heater can be effectively reduced, so that the fault probability of the electric heater is reduced; and further, the operation stability of the SOEC water electrolysis hydrogen production equipment is improved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Cooling control method, drilling system and program product

The invention provides a cooling control method, a drilling system and a program product. The well drilling system comprises a ground drilling fluid cooling subsystem used for conducting graded cooling on drilling fluid returned from a shaft by a drilling fluid conveying pipeline based on cooling parameters and re-injecting the cooled drilling fluid into the drilling fluid conveying pipeline located in the shaft; the underground drill column is provided with at least one heat shielding drill rod used for reducing heat transferred to the interior of the drill column from the high-temperature annulus. The control subsystem is used for obtaining the shaft temperature distribution condition in the drilling fluid circulation process according to the shaft thermodynamic model, and controlling the cooling parameters of the drilling fluid cooling subsystem and the tripping-in time and position of the heat shielding drill rod based on the shaft temperature distribution condition in the drilling fluid circulation process; the underground while-drilling instrument is provided with a heat dredging device and used for reducing the heat conduction amount of the external environment to the underground while-drilling instrument. According to the invention, conventional drilling technical equipment can be suitable for the shaft temperature environment of drilling of an ultra-deep well and a geothermal well.
Owner:CHINA NAT PETROLEUM CORP +1

Activated carbon production device of rotary kiln

The utility model discloses a rotary kiln activated carbon production device, which relates to the technical field of activated carbon production and comprises a bottom plate, a pair of support blocks fixedly arranged on the bottom plate, a pair of guide wheels rotatably arranged on each support block, a kiln body arranged on the guide wheels, a protective shell fixedly arranged on the bottom plate, and a protective cover rotatably arranged on the protective shell. A handle is fixedly arranged on the front side of the protective cover, and a lower heat insulation layer is fixedly arranged in the protective shell. Through cooperative use of the protective shell, the protective cover, the lower heat insulation layer, the upper heat insulation layer, the lower U-shaped heat insulation frame, the upper U-shaped heat insulation frame and the vacuum layer, when the kiln body is heated, heat can be effectively isolated, heat loss is prevented, and the ambient temperature is reduced; and when materials are continuously added into the kiln body, the feeding amount can be controlled, and uneven heating caused by excessive raw material adding is prevented.
Owner:SHANXI XINHUI ACTIVATED CARBON CO LTD

High-ground-temperature tunnel face construction area ventilation pipe refrigeration device and refrigeration method

The invention relates to a high-ground-temperature tunnel face construction area ventilation pipe refrigerating device and method.The device comprises a cooling pipe, the cooling pipe is sleeved with a shell, a closed inner cavity is formed between the outer pipe wall of the cooling pipe and the shell, one end of the cooling pipe is used for being connected with a construction area ventilation pipe, and a filter screen is fixedly arranged at the other end of the cooling pipe; the inner cavity is used for containing ice blocks and water; the inner cavity is filled with ice blocks and water to form an ice-water mixture, the ice-water mixture is used for cooling the cooling pipe, and the cooled cooling pipe exchanges heat with air passing through the cooling pipe, so that the air passing through the cooling pipe is refrigerated, and the air blown into the tunnel is changed into cold air; the environment temperature in the tunnel is further reduced; compared with a traditional tunnel refrigeration technology, equipment such as an air conditioner does not need to be additionally arranged in the tunnel, supplied air in the tunnel is cooled through the air supply system and the air refrigeration device, and refrigeration in the tunnel is more economical.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Traditional Chinese medicinal material crushing and processing equipment

The invention relates to the technical field of traditional Chinese medicinal material processing, and discloses traditional Chinese medicinal material crushing processing equipment which comprises a cooling mechanism, the cooling mechanism comprises a supporting frame, supporting legs are fixedly connected to the outer wall of the bottom of the supporting frame, a crushing box is fixedly connected to the inner wall of the supporting frame, and a box door is rotationally connected to the outer wall of the crushing box through a hinge; the outer wall of the bottom of the smashing box is fixedly connected with a discharging port, in the smashing process of traditional Chinese medicinal materials, liquid nitrogen is conveyed into an annular pipe through a liquid inlet pipe, then the liquid nitrogen is evenly sprayed on the traditional Chinese medicinal materials through a spraying head fixed to the outer wall of a first fixing block, the environment temperature in the smashing box can be effectively reduced through the operation, and the smashing efficiency is improved. A low-temperature crushing condition is created for the traditional Chinese medicinal materials, so that temperature rise caused by heat generated in the crushing process is prevented, volatilization and loss of effective components such as volatile oil and heat-sensitive components in the traditional Chinese medicinal materials are powerfully avoided, and the medicinal value and efficacy of the traditional Chinese medicinal materials are reserved to the maximum extent.
Owner:SHANDONG FANHUI PHARM CO LTD

Intelligent board cutting device and cutting method

The invention discloses an intelligent plate cutting device and method, and relates to the technical field of plate machining, the intelligent plate cutting device comprises a base, a box body with a cutting blade arranged on the upper portion is arranged on the top face of the base, supporting frames located on the two sides of the box body are symmetrically arranged on the top face of the base, and linear modules are arranged on the upper portions of the two supporting frames; two linear modules are arranged above the box body, moving blocks are arranged above the two linear modules, placing parts for placing plates and driving the plates to move are arranged on the top surfaces of the two moving blocks, a collecting barrel is arranged above the base, the collecting barrel communicates with a collecting head for collecting cutting dust through a connecting pipeline, and a clamping part is arranged above the box body. And the clamping part is matched with the moving block to clamp the plate. According to the intelligent board cutting device, wood dust generated during board cutting can be reduced conveniently, safety is high, cutting precision is high, and the quality of produced boards is good.
Owner:泰州市龙洋木业有限公司

Dispersion machine for preparing water-based polyamide wax

The utility model relates to the technical field of dispersion devices for water-based polyamide wax preparation and production, in particular to a dispersion machine for water-based polyamide wax preparation, which comprises a heat insulation box, a stirring tank is arranged on the heat insulation box, a liquid inlet pipe and an air inlet pipe are arranged on one side of the heat insulation box, and a liquid outlet pipe is arranged on the heat insulation box. An annular pipe is arranged in the heat preservation box, a gas guide pipe is arranged on one side of the heat preservation box and communicates with the annular pipe, a first threaded groove is formed in the top end of the stirring tank, a first threaded ring is arranged on the first threaded groove, and a top cover is arranged on the first threaded ring. The liquid outlet pipe is connected into liquid return equipment to form cooling liquid circulation, and cooling liquid enters the heat preservation box, so that the temperature around the stirring tank is effectively reduced, a proper low-temperature environment is created for dispersion of polyamide wax particles, the melting and agglomeration phenomena of the wax particles are inhibited, and the dispersion efficiency is remarkably improved.
Owner:浙江丰彩新材料有限公司

Flow guide device applied to exhaust channel of gas turbine

The utility model provides a flow guide device applied to an exhaust channel of a gas turbine. The flow guide device mainly comprises a frame, a pore plate, a flow guide inclined sheet 01, a flow guide inclined sheet 02, a flow guide inclined sheet 03, a flow guide shoulder sheet, rivets and glass silk floss. The exhaust channel is characterized in that a flow guide device is mounted in the exhaust channel of the gas turbine, the flow direction of airflow can be changed, airflow resistance loss is reduced, the circulation area is increased, the air circulation efficiency is improved, the internal environment temperature of a cabin of the gas turbine is reduced, and meanwhile the sound insulation requirement can be met. And effective use guarantee can be provided for users, and the popularization value is high.
Owner:HARBIN CHENGLIN TECH

A high-temperature molten slag granulation system coupled with cyclone heat exchange and water mist

This invention discloses a high-temperature molten slag granulation system coupled with cyclone heat exchange and water mist, including a granulation chamber, a high-temperature molten slag transition device disposed at the top of the granulation chamber, a granulation disc disposed inside the granulation chamber and below the high-temperature molten slag transition device, and a transmission shaft and motor for driving the rotation of the granulation disc. A slag outlet is provided at the bottom of the granulation chamber, and multiple spray nozzles are evenly arranged circumferentially on the upper part of the inner side wall of the granulation chamber. At least four tangential high-pressure air inlets are provided circumferentially below the spray nozzles on the side wall of the granulation chamber, each high-pressure air inlet being connected to a high-pressure blower. An arc-shaped guide baffle is provided on the inner side of each high-pressure air inlet. The system of this invention has a compact structure and no additional moving parts. It can adapt to different working conditions such as blast furnace slag and steel slag by only adjusting the air pressure and water volume, and has broad industrial application value.
Owner:CHINA NO 15 METALLURGICAL CONSTR GRP

An electromagnetic heating body, equipment and system for a two-part twin-screw extruder barrel

This invention relates to the field of twin-screw extruder technology, specifically to a two-part twin-screw extruder barrel electromagnetic heating body, equipment, and system. The electromagnetic heating body consists of two L-shaped main bodies hinged together to form a rectangular structure. A through hole is opened in the middle of the rectangular structure to serve as a space for accommodating the die barrel. The outer shell is made of mica sheet assembled using corner brackets. Its inner surface is lined with radiation-shielding material, and the inside of the radiation-shielding material is lined with thermal insulation cotton. An electromagnetic coil is placed on the thermal insulation cotton. The innermost side is sealed with a thin mica sheet to the electromagnetic coil, thermal insulation cotton, and radiation-shielding material. The electromagnetic coil is electrically connected to an electromagnetic heater. This invention uses electromagnetic heating of the barrel to generate its own heat, avoiding secondary energy waste caused by heat transfer, improving heating efficiency. Compared with resistance wire heating, the power saving rate during normal production can reach 50%, and it also increases production capacity to a certain extent. It also has the advantages of precise temperature control and reduced ambient temperature.
Owner:SHEN ZHEN SU NENG ENERGY SAVING EQUIPMENT CO LTD

System and method for reducing temperature of aggregate in material yard of mixing plant by using ice water spray

The invention discloses a system for reducing the temperature of aggregate in a material yard of a mixing plant by using ice water spray, the system comprises a spraying module and a monitoring module, the spraying module is used for spraying and cooling the aggregate, and the monitoring module is used for monitoring the temperature of an aggregate pile in the material yard; the spraying module is arranged in the stock yard, the spraying module comprises a settling pond, a water pond and a spraying module, the settling pond is communicated with the water pond through a pipeline, the spraying module is arranged above the stock yard, the water pond is communicated with the spraying module through a water pipe, the monitoring module comprises an infrared temperature probe, and the infrared temperature probe is arranged at the top of the stock yard. According to the invention, ice cubes are put into the spraying water tank, so that the temperature of spraying water is greatly reduced, the temperature of aggregate can be quickly and efficiently reduced, the used spraying water is saved, and meanwhile, the recycled water of the three-stage sedimentation tank is used for cooling, so that the consumption of water resources is saved again.
Owner:SHANGHAI CONSTR BUILDING MATERIALS TECH GRP CO LTD +1

A method for manufacturing surface defect-free high-purity oxygen-free copper wire based on continuous extrusion

The application discloses a surface-defect-free high-purity oxygen-free copper wire manufacturing method based on continuous extrusion, relates to the field of non-ferrous metal precision machining technology, and directly adopts an up-drawing continuous casting billet to extrude a target specification wire rod in one step through continuous extrusion, so that a plurality of drawing processes and at least one intermediate annealing process in a traditional process are completely omitted, a process flow is compressed by more than 60%, a production cycle is significantly shortened, equipment investment, labor cost and energy consumption loss are reduced, wire rod production efficiency is greatly improved, large-scale production cost is greatly reduced, and the application has a strong industrialization advantage; the continuous extrusion process introduces large plastic deformation, can strongly break original as-cast coarse grains, and simultaneously compacts and eliminates internal defects such as pores and shrinkage porosity generated in the up-drawing continuous casting process, and improves wire rod density. Compared with a traditional processing method, the wire rod prepared by the application avoids problems such as annealing oxidation, uneven structure and performance fluctuation, and the elongation of a finished product is greater than or equal to 40%.
Owner:JIANGXI KANGCHENG COPPER CO LTD

Recyclable bronchial fistula plugging device

The invention belongs to the technical field of medical instruments, and particularly relates to a recyclable bronchial fistula plugging device which comprises a plugging device body, the plugging device body comprises a first plugging end and a second plugging end, and a waist connecting unit is arranged between the first plugging end and the second plugging end. The first plugging end, the second plugging end and the waist connecting unit are each of a mesh cage-shaped structure formed by weaving wires. The plugging device main body can be compressed by pulling the pull wire, so that the plugging device main body can adapt to bronchial fistula openings of different sizes, meanwhile, when the plugging device main body is taken out, a cooling medium is introduced into the plugging device main body, the first telescopic unit and the second telescopic unit change forms, and the plugging device is more convenient to use. And the plugging device main body is deformed in situ under the cooperation of the first telescopic unit, the second telescopic unit and the cooling medium, so that medical personnel can recycle or replace the plugging device main body conveniently.
Owner:SHANGHAI CHEST HOSPITAL +1

Low-temperature food sterilization device and nut sterilization method

The invention relates to the technical field of nut sterilization, and particularly discloses a low-temperature food sterilization device and a nut sterilization method. A treatment cavity and an equipment cavity are formed in the box body; a sealing door is mounted on the inner side wall of the treatment cavity, and an evaporator is arranged in the treatment cavity; a compressor, a condenser and a liquid storage tank are arranged in the treatment cavity; the liquid outlet end of the compressor is connected with the liquid inlet end of the condenser through a first pipeline; the liquid outlet end of the condenser is connected with the liquid inlet end of the liquid storage tank through a second pipeline; the liquid outlet end of the liquid storage tank is connected with the liquid inlet end of the evaporator through a third pipeline; the liquid outlet end of the evaporator is connected with the liquid inlet end of the compressor through a fourth pipeline; the temperature in the processing cavity is reduced through circular flow of a refrigerant in the evaporator, the compressor and the condenser, so that nuts placed in the processing cavity are sterilized at low temperature, and the situation that nutritional ingredients and taste of the nuts are damaged due to the adoption of a high-temperature sterilization mode is avoided.
Owner:HANGZHOU SENBAO FOOD CO LTD

Intelligent energy-saving server with frequency conversion function

The invention discloses an intelligent energy-saving server with a frequency conversion function. The intelligent energy-saving server comprises a main controller, a wireless communication module, an intelligent control system, a frequency conversion function module, a display control module, an automatic restart module, an intelligent shutdown module and a timing module, the intelligent control system comprises a storage module and a data sending module; the frequency conversion function module comprises a fan detection unit, a heating rod detection unit and a dual overtemperature protection unit; the double over-temperature protection unit has a double high-temperature protection function, so that raw material agglomerates or bent pipes are prevented from being burnt red, and fire disasters are effectively avoided; the fan detection unit is arranged, the heating rod detection unit can automatically detect the abnormality of the heating rod and the fan, and when the abnormality occurs, the display screen can display the abnormality of the heating rod or the abnormality of the fan; an automatic restarting function is provided, and the device can be automatically restarted to a working state after power is off and on; the actual operation time of the equipment is mastered in detail; and the effective power saving rate is 40-60%.
Owner:GUANGDONG SHUNJIANG IND TECH CO LTD

Carbon dioxide trapping and liquefying system

The utility model relates to the technical field of carbon dioxide trapping and utilization, and particularly discloses a carbon dioxide trapping and liquefying system, which comprises a gas-liquid separation module, a gas storage tank, a gas compression module and a carbon dioxide liquefying and collecting module, the gas-liquid separator is used for carrying out gas-liquid separation on collected tail gas; the gas storage tank is arranged at the downstream of the gas-liquid separation module and is used for storing the dry gas subjected to gas-liquid separation; the gas compression module is arranged at the downstream of the gas storage tank and is used for pressurizing the dry gas; and the carbon dioxide liquefaction and collection module is arranged at the downstream of the gas compression module and is used for cooling and liquefying the pressurized dry gas to obtain liquid carbon dioxide. The system is simple in process, a refrigerant and expensive refrigeration equipment are not needed in the liquefaction process, the occupied area is small, and the operation cost is low; the carbon emission of the methanol reforming hydrogen production fuel cell system is reduced, and the economic benefit of the fuel cell system is increased.
Owner:GUANGDONG MOJI HYDROGEN ELECTRIC TECHNOLOGY CO LTD

Temperature acquisition system and boiler system

This disclosure relates to a temperature acquisition system and a boiler system. The temperature acquisition system includes: a temperature sensing element for installation inside the boiler; a data acquisition group for installation outside the boiler and connection to the temperature sensing element; and a cooling device. The cooling device includes an air outlet, which is at least located on one side of the data acquisition group and has an air outlet direction parallel to that side of the data acquisition group to form a cooling air curtain. The temperature sensing element of this disclosure is installed inside the boiler to detect the temperature inside the boiler. Because the ambient temperature around the boiler is high, a cooling device is provided. The air outlet direction of the cooling device is parallel to the side of the data acquisition group, forming a cooling air curtain parallel to the side of the data acquisition group. This not only reduces the ambient temperature around the data acquisition group but also prevents the cooling air from directly blowing onto the data acquisition group, avoiding corrosion and short-circuiting effects caused by high humidity in the cooling air.
Owner:BEIJING GUODIAN POWER CO LTD SHANGWAN THERMAL POWER PLANT

Case and power unit

The utility model relates to the technical field of power equipment, in particular to a case and a power unit, the case comprises a base and a cover body arranged on the base, the cover body comprises a first cover body and a second cover body, and the first cover body and the second cover body can be spliced to form the cover body. When the first cover body and the second cover body are spliced, the first cover body and the second cover body define a containing space together with the base. The first cover body is fixedly connected to the base, the end, away from the first cover body, of the second cover body is hinged to the base through a hinge, and the free end of the second cover body can move in the direction away from the base and is separated from the first cover body. In the using process of the case, the second cover body is lifted upwards and rotates around the hinge point of the second cover body and the base, so that the second cover body is separated from the first cover body, and a unit installed in the case is conveniently overhauled and maintained. The operation of disassembling the bolts is not needed, so that the operation of opening the case is simple, convenient and rapid, and the time required for opening the case during each maintenance of the unit is effectively reduced.
Owner:CHONGQING CAMEL POWER MACHINERY

Hot stamping die for locking nut machining

The utility model discloses a hot stamping die for processing a locking nut, which relates to the technical field of manufacturing of mechanical parts and comprises a support frame and a heating seat arranged on the support frame, a hydraulic oil cylinder is arranged on the support frame, a lower die is arranged on the heating seat, a mounting plate is fixedly arranged at the output end of the hydraulic oil cylinder, and the lower die is arranged on the mounting plate. An upper mold is arranged on the mounting plate, and the upper mold and the lower mold are matched to be used for manufacturing the locking nut through hot pressing; and the cooling mechanism comprises an atomization nozzle arranged on the outer side of the lower mold, the water inlet end of the atomization nozzle communicates with an extension pipeline, one end of the extension pipeline fixedly communicates with a water pump, the water inlet end of the water pump communicates with a water outlet pipeline, and the end, away from the water pump, of the water outlet pipeline communicates with a water tank. According to the hot stamping die for machining the locking nut, the locking nut can be conveniently manufactured through die hot pressing, the die assembly can be cooled during machining, and therefore the machining efficiency is improved.
Owner:SUZHOU CHANGGHUAI PRECISION HARDWARE CO LTD

Proximity switch water-cooling protection device in high-temperature environment

The utility model discloses a proximity switch water-cooling protection device in a high-temperature environment, belongs to the technical field of protection equipment of signal detection components in the metallurgical industry, and is used for enabling a proximity switch to work normally in the high-temperature environment. According to the technical scheme, a water-cooling shell is a cube with a cavity in the middle, the side wall and the bottom face of the water-cooling shell are of a double-layer structure, circulating cooling water is poured into the double-layer structure, an upper cover is in closed connection with the upper end of the water-cooling shell, a transmission shaft hole is formed in the upper portion of the side wall of the water-cooling shell, and a transmission shaft is installed in the transmission shaft hole. The transmission shaft outside the water-cooling shell is connected with a vertically-placed shifting piece, the plate face of the shifting piece is perpendicular to the outer wall of the water-cooling shell, the transmission shaft inside the water-cooling shell is connected with vertical stop iron, the proximity switch is fixed in an inner cavity of the water-cooling shell, and the trigger end of the proximity switch is opposite to the stop iron. The proximity switch is simple in structure and convenient to use, the ambient temperature around the proximity switch can be remarkably reduced, and the purpose of using the proximity switch in a high-temperature environment is achieved.
Owner:HBIS LAOTING STEEL CO LTD +2

Energy storage photovoltaic house

The utility model relates to photovoltaic house technical field especially a kind of energy storage photovoltaic house, including building, located the back sun side of building is equipped with battery cabinet, further include: photovoltaic glass component, photovoltaic glass component includes the frame body of nesting installation with building, the inside of frame body is rotatably installed with photovoltaic glass plate frame by transmission rod, located the outside installation of frame body is equipped with driving motor, the output end of motor with the outside one end of transmission rod is equipped with pulley, and first transmission belt is drivingly connected between two groups of pulley;Frame body is installed in the sunny side of building;This kind of energy storage photovoltaic house, solve the angle of photovoltaic glass plate in prior art cannot be adjusted.
Owner:ROYPOW TECH CO LTD

Explosion-proof aluminum foil tape for kitchen

The utility model discloses an explosion-proof aluminum foil adhesive tape for a kitchen, and relates to the technical field of kitchen supplies. The anti-explosion aluminum foil adhesive tape for the kitchen comprises an aluminum foil composite glass fiber base layer, a high-viscosity adhesive layer and a heat insulation function enhancement layer. In the aluminum foil composite glass fiber base layer of the explosion-proof aluminum foil adhesive tape for the kitchen, the aluminum foil layer and the glass fiber layer are tightly combined through the composite process layer containing the compatibilizer, so that the overall structural strength and stability are enhanced, and the explosion-proof aluminum foil adhesive tape can effectively bear pressure change caused by high temperature and open fire. The high-viscosity adhesive layer can be firmly adhered to various complex surfaces, so that the problem that a common adhesive tape is easy to fall off is solved, and the adhesive tape is ensured to stably play a role in a kitchen environment. The heat insulation function enhancement layer effectively prevents heat transfer, reduces the ambient temperature of kitchen equipment and pipelines, and eliminates potential safety hazards. In addition, the material adopted by the adhesive tape has good corrosion resistance and can adapt to a humid and oily fume environment in a kitchen, and the service life is prolonged.
Owner:ZHEJIANG DEYANG ADHESIVE PROD

High temperature and high pressure acoustic wave acoustic emission sensor and detection method

High temperature and high pressure acoustic wave acoustic emission sensor and detection method, related to the field of acoustic wave emission technology. High temperature and high pressure acoustic wave acoustic emission sensor includes a pressure sensor housing, two metal coupling plates connected to the pressure sensor housing, and a PET-based external thermal insulation film wrapped around the pressure sensor housing and the metal coupling plates. The pressure sensor housing and the metal coupling plates enclose a receiving cavity. The two metal coupling plates are respectively connected to temperature calibration piezoelectric ceramics and test piezoelectric ceramics. A signal amplifier and two thermoelectric cooling plates with cooling surfaces attached to the temperature calibration piezoelectric ceramics and the test piezoelectric ceramics are arranged in the receiving cavity. The signal amplifier is electrically connected to the two metal coupling plates, the temperature calibration piezoelectric ceramics and the test piezoelectric ceramics. The pressure sensor housing is connected to a three-core cable connector electrically connected to the signal amplifier and the two thermoelectric cooling plates. High temperature and high pressure acoustic wave acoustic emission sensor and detection method can reduce the detection temperature and realize the decoupling of the temperature effect value and the acoustic emission signal to improve the detection accuracy.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Over-temperature protection circuit

The utility model relates to the technical field of electronic circuits, in particular to an over-temperature protection circuit, which is characterized by comprising a rectifying circuit, a filter circuit, a chip U1, a metal oxide semiconductor (MOS) tube Q1 driving control network, an intensifier circuit and an adjusting circuit. Wherein the rectifying circuit is used for converting input alternating current into direct current; the filter circuit is used for removing electromagnetic interference in the direct current converted by the rectifying circuit; the chip U1 is used for driving the on and off of the MOS tube Q1; the MOS tube Q1 drives the control network and is used for controlling energy storage and discharge of the energy storage inductor T1; the enhancement circuit is used for enhancing the driving capability of the MOS tube Q1; and the adjusting circuit is used for controlling the output power and temperature of the driving power supply. According to the over-temperature protection circuit provided by the utility model, temperature protection points can be conveniently set by adjusting parameters of components, and the reliability of the components is improved.
Owner:FOSHAN ELECTRICAL & LIGHTING

A radar level gauge heat sink

The utility model relates to alumina preparation radar detection technical field, propose a kind of radar level meter heat abstractor, including radar level meter, heat abstractor and a sub tank, the bottom of radar level meter is connected with heat abstractor by flange, heat abstractor bottom end is fixedly connected with a sub tank by flange, the utility model indirectly connects between radar level meter and high-temperature sub tank by heat dissipation cylinder, avoid instrument direct contact high-temperature equipment, significantly reduce the environmental temperature that instrument contacts, protect core component from heat damage, by heat dissipation cylinder design air inlet and air outlet, support external fan forced ventilation, utilize cooling wind with pressure, actively take away heat, double cooling, ensure that instrument is stable operation under high-temperature working condition, by adopting hollow heat dissipation cylinder and flange combination, directly replace original flange connection, installation is convenient, need not complex reconstruction;Air outlet filter screen design prevents dust from entering, give consideration to heat dissipation and pollution prevention.
Owner:SHANXI ALUMINIUM FACTORY

An automatic trailer system in dynamic wheel-turning test of new energy vehicles

The present invention discloses an automatic towing system in a dynamic hub rotating test of a new energy vehicle, and the present invention relates to the technical field of automatic towing systems, comprising: a towing assembly, rails and a safe house assembly. When an emergency occurs in an environmental chamber, the vehicle can be transported to the safe house assembly for corresponding treatment, thereby reducing vehicle losses and the risk of dangerous accidents. When an emergency occurs in the environmental chamber, the towing assembly lifts the trolley and moves it above a lifting support plate, and at this time, an electric lifting cylinder is started, so that the electric lifting cylinder drives the lifting support plate and the trolley to descend to the interior of a safety house body, and then the upper end of the safety house body is sealed by a sealing cover, thereby achieving the purpose of safely storing the trolley and avoiding accidents.
Owner:广东立佳实业有限公司

Double-oil cooler for air compressor

The utility model discloses a double oil cooler for an air compressor, which belongs to the technical field of oil coolers and comprises a tank and a water pump, two radiating water pipes are arranged on the inner side of the tank, and a plurality of supports are fixed on the outer sides of the radiating water pipes. The two ends of the support are fixedly connected with the inner side of the tank body, the input ends of the two heat dissipation water pipes are both fixedly connected with the output end of the water pump, valves are fixed to the outer sides of the two heat dissipation water pipes, a mounting base is fixed between the two heat dissipation water pipes, a motor is fixed to one side of the mounting base, and the motor is fixed to the other side of the mounting base. A lead screw is coaxially fixed to the output end of the motor, and the outer side of the lead screw is in threaded connection with a movable seat. The utility model solves the problems that the heat exchange efficiency of the oil cooler is reduced due to accumulation of impurities in the circulating water, the oil cooler can only be stopped to dredge a waterway, potential safety hazards are formed if no stopping condition is met, and the temperature rise of lubricating oil can cause unit failure or bump to influence users.
Owner:JADE GAS CO LTD

Leveling machine shell structure with air cooling diversion trench

The utility model relates to the technical field of leveling machines, in particular to a leveling machine shell structure with an air-cooling diversion trench, which comprises a main shell and a bottom shell arranged on the main shell, the bottom shell is a support plate of a leveling machine and supports the whole leveling machine, and the air-cooling diversion trench is arranged on the bottom shell. Wherein the main shell comprises a top cover plate and an outer frame fixed to the lower end face of the top cover plate, the outer frame is a cavity with openings in the two ends and hollow inside, parts of the leveling machine are all installed in the cavity of the outer frame, a plurality of sets of air cooling flow guide grooves are formed in the outer frame, a plurality of extending bases are fixed to the lower end face of the outer frame, and each air cooling flow guide groove comprises a groove body. The groove body is fixed in the outer frame, and the groove body is of a cavity structure with openings in the two ends and a hollow interior. According to the leveling machine shell structure with the air-cooling flow guide grooves, hot air generated during operation of a leveling machine can be guided into the step grooves through the flow guide holes and finally released to the outside through the heat exhaust holes, the air-cooling flow guide effect is achieved, and the environment temperature in the leveling machine is reduced.
Owner:DONGGUAN FOREST WOOD HARDWARE MASCH CO LTD

Liquid cooling device for lath laser amplifier crystal

The invention relates to the technical field of lasers, in particular to a liquid cooling device for a lath laser amplifier crystal. The device comprises a cooling unit, the cooling unit sequentially comprises a water inlet layer, a backflow layer, an exchange layer and a sealing plate, the water inlet layer comprises a plurality of water inlet pipes arranged in a matrix shape, and the other ends of the water inlet pipes penetrate through the backflow layer and are communicated with the exchange layer; the sealing plate separates the exchange layer from the lath laser amplifier crystal and transfers heat between the exchange layer and the lath laser amplifier crystal; a drainage pipe is arranged on the backflow layer, a one-way flowing piece is arranged on the common wall of the backflow layer and the exchange layer and arranged on one side of the water inlet pipe, and liquid for cooling enters the exchange layer from the water inlet pipe and then enters the backflow layer through the one-way flowing piece till being discharged. By arranging the cooling liquid flowing channel perpendicular to the lath laser amplifier crystal, the contact amount and the contact area between the cooling liquid and the crystal in the initial stage are greatly increased, and the temperature difference caused by the too large cooling liquid passing area is prevented.
Owner:XIAMEN NEWLITE ELECTRONIC TECH CO LTD