847results about How to "Adjustable temperature" patented technology

The invention belongs to the technical field of energy storage cables, and particularly relates to a new energy energy storage cable with an automatic temperature adjusting function. Comprising an insulating layer, and a plurality of conductors are arranged in the insulating layer; the outer part of the insulating layer is wrapped with the protective sleeve; the new energy storage cable with the automatic temperature adjusting function further comprises a temperature adjusting unit. According to the energy storage cable, the temperature adjusting unit is arranged in the insulating layer in the energy storage cable, and the temperature adjusting unit can adjust the temperature in the insulating layer in a cooling liquid heat exchange mode, so that the temperature in the energy storage cable is prevented from being too high or too low, heat increase is reduced, energy loss is reduced, aging of the insulating material is slowed down, and the service life of the energy storage cable is prolonged. Fire disasters are reduced; and meanwhile, the cable flexibility reduction caused by low temperature is prevented, and the durability of the energy storage cable is improved.

The invention relates to the technical field of castable, and discloses a silicon carbide castable which comprises main materials and auxiliary materials, the main materials comprise 30-70 parts of silicon carbide particles, 5-20 parts of micro powder which is silicon carbide micro powder, 5-20 parts of nano aluminum oxide, 5-20 parts of a phase change material and 5-20 parts of reinforced fibers, and the auxiliary materials comprise a binding agent, an additive, a heat stabilizer, a high-heat-conductivity additive and an antioxidant. The phase-change material is a metal alloy phase-change material, and the reinforcing fiber is 5-20 parts of steel fiber. The binding agent is 10-15 parts of pure calcium aluminate cement, and the additive is 3-5 parts. In the preparation process of the silicon carbide castable, the steel fiber, the metal alloy phase change material and the graphite are added, the overall performance of the silicon carbide castable can be remarkably improved, the steel fiber can remarkably improve the toughness and mechanical strength of the silicon carbide castable, the castable can be effectively prevented from being heated to deform at a high temperature, shrinkage is inhibited, and a good prevention and treatment effect on microcracks is achieved; therefore, the overall stability and durability of the pouring material are improved.

The invention belongs to the technical field of microorganisms, and particularly relates to a microorganism detection culture device and method.The system comprises an intelligent environment control system, and a sensor monitors the temperature, humidity and gas concentration of a culture environment in real time to ensure that environment parameters needed by microorganism growth are kept in the optimal state; the automatic sample processing and operating system avoids pollution or errors caused by manual intervention through a mechanical arm or an automatic transmission device; the real-time image monitoring and analyzing system is used for monitoring the growth state of the microorganisms in the culture dish; the camera can continuously shoot images in the culture process; the rapid detection module rapidly obtains activity information of microorganisms, rapid detection is achieved, and time needed by traditional culture is shortened. According to the invention, accurate control, automatic operation and rapid detection are realized, and an efficient, safe and intelligent solution is provided for microbial culture and detection.

The invention discloses an energy-saving irrigation method for a water conservancy project, and belongs to the technical field of agricultural irrigation. The adjusting mechanism is installed on the water conveying pipe and comprises a movable sleeve part and a third sleeve, the movable sleeve part is rotationally installed on the water conveying pipe, an adjusting part is installed in the movable sleeve part, the third sleeve is provided with an irrigation opening, and the third sleeve is installed on the movable sleeve part in a sliding mode through the adjusting part; the oxygen supply mechanism is arranged in the movable sleeve and comprises a fixing ring, a connecting rod, an air bag and an output pipe, the connecting rod can slide in the circumferential direction of the fixing ring, the connecting rod is sleeved with the air bag, and the output pipe is fixedly connected with the air bag. Water flow enters the movable sleeve and the third sleeve through the space between the sealing block and the sealing ring, the third sleeve moves upwards on the movable sleeve under the jacking action of the movable rod to expose the irrigation opening, and the purpose of irrigation is achieved.

The invention relates to the technical field of coatings, in particular to a ceramic gel phase change energy storage coating and a preparation method thereof.The ceramic coating and a phase change material are combined to prepare the ceramic gel phase change energy storage coating, and the wear resistance and corrosion resistance of a coating layer can be improved by adding some modified filler; therefore, the durability of the paint coating is improved, and the paint coating has longer service life; secondly, the ceramic coating and the phase-change material are combined, the phase-change material can be used as a filler or a thickening agent, the overall mechanical strength and wear resistance of the coating can be improved, paraffin and expanded graphite can absorb or release a large amount of latent heat when the temperature changes, and due to the combination of the characteristic and the ceramic coating, the mechanical strength and wear resistance of the coating can be improved. The coating can store energy when needed and release the energy at proper time, so that the temperature of the coating and the surrounding environment of the coating is effectively adjusted, the coating has important significance in the fields of building energy conservation, electronic equipment heat management and the like, and the energy consumption can be remarkably reduced and the heat comfort degree can be improved.

The invention relates to the technical field of wire and cable extrusion processing, and discloses a cable multi-layer extrusion processing device which comprises a first extrusion component, a cooling component and a second extrusion component which are sequentially arranged in the first direction, and a to-be-processed cable sequentially penetrates through the first extrusion component, the cooling component and the second extrusion component. Wherein the cooling assembly comprises a liquid storage tank and an aeration mechanism, the liquid storage tank is used for storing cooling water, and the cable to be processed is immersed in the cooling water when penetrating through the liquid storage tank; the output end of the aeration mechanism is arranged on the inner side of the bottom wall of the liquid storage tank, and a plurality of aeration holes facing the cable to be processed are formed in the aeration mechanism. According to the cable multi-layer extrusion molding processing equipment, extrusion molding materials on the surfaces of electric wires and cables are uniformly and rapidly cooled, the mechanical performance and the surface quality of the extrusion molding materials are prevented from being affected by internal stress, and meanwhile the adhesiveness of the extrusion molding materials during secondary extrusion molding processing is improved.

The invention belongs to the technical field of heating furnaces, and particularly relates to an oxygen-enriched combustion system and method for a coal gas single heat storage type heating furnace. Comprising an oxygen pressure regulating branch, a first heating section oxygen lance oxygen injection branch and a main pipe oxygen enrichment branch, the oxygen pressure regulating branch is provided with a pressure transmitter and a temperature transmitter, an oxygen source is communicated with the pressure transmitter and the temperature transmitter through a pipeline, and oxygen flows into the first heating section oxygen lance oxygen injection branch and the main pipe oxygen enrichment branch after being subjected to pressure regulation through a pressure valve. A flow control valve is arranged on the first heating section oxygen lance oxygen injection branch, oxygen is fed into the heating furnace, and the main pipe oxygen enrichment branch feeds enriched oxygen into the main pipe through an enriched oxygen distributor. Flexible switching of different oxygen enrichment modes of the heating furnace is achieved, the burner in the oxygen lance oxygen injection branch of the first heating section is not reversed, total-oxygen combustion of the burner is achieved, under the oxygen enrichment branch of the main pipe, oxygen is conveyed to the main pipe through the oxygen enrichment distributor through the other branch to be mixed with combustion air, and total-furnace oxygen enrichment combustion is achieved.

The present invention discloses a controllable one-way valve assembly for hydrogen delivery, which relates to the technical field of gas intelligent delivery equipment, including a front valve assembly and a rear valve assembly; the front valve assembly includes a front valve body, a valve core, a first valve stem, a spring, a temperature sensor, a first sealing ring and a stopper; the rear valve assembly includes a rear valve body, a servo electric cylinder, a first piston, a second piston and a second valve stem, and the second valve stem is a high-temperature resistant brittle plastic stem. The functional structure of the present invention has good variability and a wide range of applications; it is easy to realize the dynamic control of the force required when the valve core is pushed open, and can play a role in regulating the hydrogen outlet temperature of the valve to a certain extent; it has explosion-proof characteristics. If the hydrogen temperature rises abnormally and sharply, the air pressure in the hydrogen flow cavity also rises sharply. Since the second valve stem is a high-temperature resistant brittle plastic rod, it has broken before reaching the explosion, and then the first piston moves backward. Under the buffering effect of the inert gas, the risk of explosion is reduced.

The utility model discloses a reflector lamp holder, a wafer heating assembly and epitaxial growth equipment. The wafer heating assembly comprises a reflector lamp holder, a wafer heating element and a wafer heating element, a lamp holder body of the reflecting lamp holder is divided into at least two areas in the circumferential direction. A first reflection groove, a second reflection groove,... an ith reflection groove are formed in each area along the radial direction of the lamp holder body from the edge to the center of the lamp holder body; the shapes of the cross sections of the i reflection grooves in the adjacent areas are different, and the i reflection grooves in the adjacent areas are arranged in a staggered manner; and at least one heating lamp is arranged in each reflecting groove. According to the utility model, the reflection direction of each i-th reflection groove to infrared heat radiation is adjusted, the transmission path of the infrared heat radiation is accurately controlled, the temperatures of different positions on the surface of the wafer are further adjusted, and the temperature uniformity of the surface of the wafer is improved.

The invention relates to the field of air treatment, and provides a multi-stage rotating wheel dehumidification device and an air treatment system. The multi-stage rotating wheel dehumidification device comprises at least three rotating wheels, an interval is formed between every two adjacent rotating wheels, the axes of the at least three rotating wheels are coaxially arranged, the interval located on the first side of the axis forms a working air channel, and the interval located on the second side of the axis forms a regeneration air channel. The first side of the axis and the second side of the axis are oppositely arranged; the heat exchanger is arranged in the working air channel; the regeneration air valve is arranged in the regeneration air channel between at least one pair of adjacent rotating wheels and is used for switching connection and disconnection between the regeneration air channel and the rotating wheels; and the regeneration air switching assembly communicates with the regeneration air channel fluid so as to switch outdoor fresh air and / or working air to serve as regeneration air. According to the multi-stage rotating wheel dehumidification device, the system structure can be adjusted according to the outdoor air state, the indoor wet load and the low-humidity requirement of a user, and the humidity adjusting range is expanded.

The invention belongs to the field of optical parametric oscillators, and particularly discloses a cavity length control device and method for a femtosecond pulse synchronous pump optical parametric oscillator, and a temperature control element is arranged on a metal bottom plate and used for adjusting the temperature of the metal bottom plate; and the temperature controller is electrically connected with the temperature control element and is used for adjusting the temperature of the temperature control element according to the characteristic parameters of the light output by the optical parametric oscillator so as to adjust the temperature of the metal bottom plate to adjust the cavity length of the optical parametric oscillator. The temperature of the temperature control element is accurately adjusted through the temperature controller, fine control over the temperature of the metal bottom plate is achieved, then fine control over the length of the metal bottom plate is achieved, small changes of the length of the metal bottom plate can be directly reflected to changes of the cavity length, and therefore high-precision adjustment of the cavity length is achieved; and compared with expensive devices such as piezoelectric ceramics and precise stepping motors, the manufacturing cost and the maintenance difficulty are reduced, and meanwhile, the overall performance and stability of the system are improved.

The invention relates to a pellet compressive strength factor detection device, and belongs to the technical field of ironmaking processes, S1, selecting pellet samples of the same batch, respectively weighing, recording the mass, and marking; s2, carrying out porosity detection on the batch of pellet samples to obtain a porosity index; and S3, carrying out compression resistance detection on the eight groups of pellet samples in the batch at the same time through a detection device. Through cooperation of the feeding assembly and the driving assembly, a pellet sample in the fixed cover is divided into eight equal parts, through cooperation of a shielding ring and an electric telescopic rod A, the pellet sample is fed at a time, and through a pressing mechanism and a pressure sensor, compressive strength detection of eight sets of samples in one environment is achieved at the same time; through cooperation of the scraper blade and the gear motor, the crushed pellet samples are cleaned and fed in sequence, the pellet samples can be detected again in the same mode, the detection continuity is achieved, the overall detection time is shortened, and the overall detection working efficiency is improved.

The utility model belongs to the technical field of strain culture, and particularly relates to a strain culture device which comprises a box body, a control panel is installed on the outer wall of the box body, a lead screw is rotatably installed between the inner walls of a sliding groove through a bearing, an output shaft of a stepping motor is fixedly connected with one end of the lead screw, a sliding block is assembled in the sliding groove, and the sliding block is fixedly connected with the lead screw through a bearing. Wherein a second grid plate is welded to one sliding block, a third grid plate is welded to the other sliding block, distance measuring assemblies are installed on the bottom wall of the second grid plate and the bottom wall of the third grid plate, each distance measuring assembly comprises an infrared generator and an infrared receiver, the second grid plate is driven by the sliding blocks to move vertically, and the third grid plate is driven by the sliding blocks to move vertically. The second grid plate drives the infrared generator and the infrared receiver on the second grid plate to vertically move; and when the interval data reaches a threshold value, the control panel controls the stepping motor to stop operating, adjustment of the distance between the second grid plate and the first grid plate is achieved, the height distance between the grid plates can be efficiently adjusted through the structure, and the distance adjusting performance can be improved.

The invention discloses an environment-friendly paperboard ink printing process and printing equipment thereof, and relates to the technical field of printing equipment, the environment-friendly paperboard ink printing process comprises the following steps: S1, pretreatment; s2, adjusting parameters; s3, rapid printing; s4, infrared drying and quality detection; and S5, post-processing. According to the method, quality detection of the test printing sample can be achieved through appearance, performance and size detection and quality evaluation, quality detection is also conducted on the paperboard after continuous printing is finished, the finished product rate of paperboard printing can be increased through double quality detection, infrared drying treatment is utilized after printing, generation of harmful gas during drying can be reduced, and the printing quality of the paperboard is improved. The workload of purification equipment is reduced, the drying speed is high, the drying efficiency can be improved, energy consumption is reduced, the environmental protection effect of the equipment in use is further improved, the temperature in the drying box is detected through the first temperature sensor during drying, and therefore the drying temperature is adjusted, and the drying temperature in the drying box can be conveniently maintained to be basically stable.

The present invention relates to the technical field of LED module boards, and the present invention discloses an LED module board and a display screen, including: a shell, an active cavity is provided around the shell, a slide groove connected to the active cavity is provided around the inner cavity of the shell, a plurality of slots are provided at equal distances on the front and rear sides of the inner cavity of the slide groove, and a plurality of air inlets connected to the inner cavity of the active cavity located below are provided at the bottom of the inner cavity of the shell; a protective mechanism is provided at the front side of the inner cavity of the shell; a protective screen is detachably provided at the front side of the inner cavity of the shell; an LED module board is provided in the inner cavity of the shell, and the LED module board is located at the rear side of the protective mechanism; and there are a plurality of lamp beads, and the plurality of lamp beads are provided at the front side of the LED module board. The device has the advantages of good heat dissipation effect and strong anti-static performance, and provides a more reliable and efficient solution for the application of LED module boards and display screens.

The invention discloses a pressure instrument performance testing device and a testing method. The testing device comprises a pressure pipeline, a standard pressure source, constant temperature equipment, a gas buffer, a pressure generator, a high-temperature box, a high-temperature cavity, a pressure sensor, a pressure transmitter and a data acquisition module. The pressure pipeline comprises a first pipe section and a second pipe section, the first end of the first pipe section is connected with the standard pressure source, and the second end of the first pipe section is connected with the gas buffer after passing through the thermostatic equipment; the high-temperature cavity is arranged in the high-temperature box, and a closed isolation cavity is arranged between the high-temperature box and the high-temperature cavity; the first end of the second pipe section is connected with the gas buffer, and the second end of the second pipe section is connected with the high-temperature cavity; the pressure generator is connected with the gas buffer; the pressure sensor is arranged on the high-temperature cavity; the pressure transmitter is arranged in the isolation cavity and is connected with the pressure sensor; the data acquisition module is used for acquiring data. The technical effect of testing the metering performance of the pressure instrument under the high-temperature working condition is achieved.

The invention relates to the field of agricultural planting, in particular to a greenhouse cultivation technology. An environment self-adaption intelligent greenhouse based on natural heat energy allocation comprises an intelligent greenhouse body which comprises a greenhouse body and a comprehensive environment control system used for adjusting the temperature, humidity, illumination, fertilizer water and carbon dioxide in the greenhouse body. The comprehensive environment control system comprises a wet curtain fan, a high-pressure spraying device, a roof spraying device and a rhizosphere irrigation water device, and further comprises a water source heat pump system; the water source heat pump system is provided with an underground aquifer, and further comprises a water pump for pumping underground water from the underground aquifer and a backfill well communicated with the underground aquifer, and further comprises an air heat exchanger arranged in the greenhouse; the outlet of the air heat exchanger is communicated with the backfill well; the comprehensive environment control system is in signal connection with starting switches of the water pumps. The system has the advantages that the temperature in the greenhouse is adjusted through constant-temperature underground water, and the energy consumption cost can be reduced.

In order to solve the problems that in the prior art, a photovoltaic curtain wall is short in service life and poor in installation stability, the utility model provides a multi-edge photovoltaic curtain wall which comprises a plurality of outer side curtain wall glass and a plurality of inner side curtain wall glass which are connected through a keel assembly, and the outer side curtain wall glass and the inner side curtain wall glass form a hollow layer cavity. The keel assembly comprises a first vertical keel, a second vertical keel and transverse keels, the first vertical keel is connected with the transverse keels through first vertical keel connecting pieces, the transverse keels are fixed to the two sides of the second vertical keel, and the transverse keels are arranged on the side, away from the outer side curtain wall glass, of the inner side curtain wall glass. The pressing plate and the curtain wall glass are structurally fixed mainly through the bolts, structural stability is guaranteed, the adhesive tape is installed at the connecting position of the glass, damage caused by abutting against the curtain wall glass in the installation process is prevented, and safety is improved.

The utility model relates to the technical field of cold compress, in particular to a detumescence cold compress nursing device which comprises a cold compress bag, water is filled in the cold compress bag, a connecting belt is arranged on the cold compress bag through a connecting mechanism, placing bags are connected to two sides of the cold compress bag, heat insulation cloth is placed in the two placing bags, and the heat insulation cloth is connected with the connecting belt through a connecting mechanism. And connecting parts are fixedly connected to the multiple pieces of thermal insulation cloth. According to the ice compress device, the temperature during ice compress can be adjusted, so that people with different requirements can use the ice compress device conveniently.

The utility model discloses a device for producing biological stuffing by using a waste microfiltration membrane, which comprises a box body, the side surface of the box body is hinged with one end of a sealing box door, the inside of the box body is fixedly connected with two symmetrical clapboards, the side surfaces of the clapboards are fixedly connected with a placing plate, a plurality of circulating holes are formed in the placing plate, and the side surfaces of the clapboards are fixedly connected with a fan. The bottom of the partition plate is provided with an air outlet. The side face of the box body is fixedly connected with a discharging pipe. The outer side of the discharging pipe is fixedly connected with a valve. The inner wall of the box body is fixedly connected with a temperature sensor. The upper surface of the box body is fixedly connected with a storage box. Through the rotating shaft, the spraying pipe, the stirring blades, the driven gear and the driving gear, nutrients on the microfiltration membrane are more uniform, the uniformity of the nutrients is ensured, precipitation is avoided, through the partition plate, the placing plate, the circulating hole, the fan, the heating rod and the air outlet, hot air is more uniform, the drying efficiency is improved, and the drying effect is improved. And the heat distribution in the box body is more uniform.

The invention belongs to the technical field of medical apparatus and instruments, and particularly discloses a pressure-sore-preventing and automatic-turning-over inflatable mattress which comprises a mattress body, an air cushion pillow and a hip air cushion are arranged above the mattress body, and the hip air cushion is arranged above the air cushion pillow. At least two back air cushions are arranged between the air cushion pillow and the hip air cushion, wherein the back air cushions are independently controlled, the air pressure of the back air cushions can be independently adjusted, and a certain height difference can be formed on the left side and the right side when the back air cushions are inflated. According to the inflatable mattress, local pressure reduction of the upper layer and automatic turning over of the left side and the right side can be achieved, the automation degree is high, the temperature of inflated gas can be adjusted, the body of a patient is in a heat preservation state, blood circulation of the pressed skin is promoted, and using is more convenient.

The utility model provides a sample table uniform cooling device and a microwave plasma chemical vapor deposition system, and relates to the related field of microwave plasma chemical vapor deposition. The sample table uniform cooling device comprises a sample table and a plurality of groups of cooling mechanisms arranged in the sample table. Each cooling mechanism comprises a cooling pipeline, a liquid inlet pipeline and a liquid outlet pipeline. One end of each group of liquid inlet pipeline is communicated with one end of the same group of cooling pipeline, and the other end is externally connected with a cooling circulation device. And a first flow meter and a first valve are arranged on each group of liquid inlet pipelines. One end of each group of liquid outlet pipeline is communicated with the other end of the same group of cooling pipeline, and the other end is externally connected with a cooling circulation device. And each group of cooling pipelines are sequentially and annularly arranged along the direction from the center of the sample table to the edge of the sample table. Through the arrangement, local adjustment of the temperatures of different areas of the sample table is realized, so that the surface temperature of the film can be uniform in the growth process.

The invention relates to the technical field of axle balance testing, and discloses a dynamic and static balance detection device for a trailer axle, which comprises an equipment base, an axle mounting seat and two groups of linear rails are mounted on the equipment base, the two groups of linear rails are positioned on two sides of the axle mounting seat, and two groups of arc-shaped rails are mounted on the two groups of linear rails in a sliding manner. Loads are provided for the two ends of the trailer axle assembly in the form of the two telescopic push rods and the mounting sleeve, the loads at different angles and different pressures can be achieved by controlling the two telescopic push rods respectively, and therefore a more comprehensive dynamic and static balance test is conducted on the trailer axle assembly; real-time temperature adjustment of the trailer axle is achieved through the temperature control sleeve and the heat conduction pieces in the installation sleeves at the two ends, simultaneous contact of multiple positions can enable the temperature adjustment mechanism to rapidly adjust the temperature of the trailer axle in real time, and therefore relevant parameters of dynamic and static balance testing of the axle at the fixed temperature or the variable temperature are achieved.

The invention relates to the technical field of cable manufacturing, in particular to a lightweight radio frequency microwave cable and a manufacturing method thereof, and the method comprises the steps: obtaining a silver-plated copper conductor; extruding the PTFE microporous medium through a pushing machine, and coating the silver-plated copper conductor with the PTFE microporous medium through a stretching machine to form a medium layer; a silver-plated flat copper strip is spirally wound on a PTFE microporous medium to form an outer conductor, and whether the spiral winding process of the silver-plated flat copper strip is qualified or not is determined based on a deviation characterization parameter of the silver-plated flat copper strip relative to the axis of the PTFE microporous medium. Determining to increase the extrusion temperature or extrusion pressure of the extruder according to the relative difference between the deviation characterization parameter and the deviation characterization parameter threshold value; 1 / 2 of a polyimide aluminum foil is wound on the outer conductor to form an electromagnetic shielding layer, a silver-plated copper wire is woven outside the electromagnetic shielding layer to form a woven shielding layer, and a fluoroplastic sheath is extruded outside the woven shielding layer to form a sheath, so that the manufacturing efficiency of the radio frequency microwave cable dielectric layer is improved.

The invention discloses a sleep ecosystem and a control method thereof. Comprising a bed body, a cloud computing system, a remote control end, environment detection equipment and an environment control module, a micro sensing module of the bed body collects human body sleep parameters and transmits the human body sleep parameters to the cloud computing system, and the remote control end is used for guests to input sleep and environment parameters. A sleep function calculation module of the cloud computing system processes and analyzes various data, a sleep parameter analysis sub-module of the cloud computing system can construct a personalized sleep parameter model, a sleep mode generation sub-module optimizes environmental parameters, and a sleep effect evaluation sub-module evaluates and adjusts in real time. And the music control module and the aromatherapy control module can be used for receiving instructions of the cloud computing system or preference information of guests for operation. And the micro-sensing modules are of various types and are transversely and uniformly distributed on the bed body. The system can provide personalized sleep experience for guests, comprehensively regulate and control the sleep environment, realize intelligent data processing and efficient utilization, and effectively optimize the sleep quality.

The invention discloses aging test equipment, which comprises a box body, at least two test bin bodies and a load bin body, the test bin bodies and the load bin body are arranged in the box body, the test bin bodies and the load bin body are respectively arranged in independent spaces of the box body, any two test bin bodies are independently arranged, the test bin bodies are used for loading to-be-tested products, and the load bin body is used for loading the to-be-tested products. The load bin body is used for placing a load; the test bin body comprises a test middle air duct, a test air inlet duct and a test air outlet duct, and the test air inlet duct is communicated with the test air outlet duct through the test middle air duct; the interior of the testing bin body is divided into an air inlet part, a testing part and an air outlet part, a to-be-tested product is placed in the testing part, the air inlet part and the air outlet part are arranged on the two sides of the testing part respectively, the testing air inlet duct is communicated with the air inlet part, and the testing air outlet duct is communicated with the air outlet part. The test bin bodies are independently arranged, so that aging tests of different to-be-tested products can be carried out by different bin bodies at different temperatures, and the use convenience of the equipment is improved.

The invention provides a phase change composite material. The phase change composite material comprises an inner core; the inner core is formed by hollow polymer fibers filled with a phase change material; tensioning 1-3% of graphitized carbonaceous yarn, and spirally winding the graphitized carbonaceous yarn on the surface of the inner core; the hollow polymer fibers comprise at least one of thermoplastic polyurethane fibers, polypropylene fibers, polyvinyl alcohol fibers, polyvinylidene fluoride fibers or polycaprolactone fibers. The invention also provides a preparation method of the phase change composite material, which comprises the following steps: graphitizing the carbonaceous yarn, and winding the graphitized carbonaceous yarn around the inner core to obtain the phase change composite material. The invention further provides application of the phase-change composite material, and the phase-change composite material is particularly applied to heat management, temperature regulation, heat dissipation of electronic equipment, energy storage and conversion equipment or temperature control and maintenance of medical equipment.

The utility model relates to the technical field of medical devices, and discloses temperature-adjustable biological cell culture equipment which comprises a main body, a placing plate is clamped in the main body, a container box for storage is clamped at the top of the placing plate, a test tube rack is clamped at the top of the placing plate, and the test tube rack is clamped at the bottom of the main body. Limiting rods used for placing are arranged in the main body, an electric heating plate is fixedly installed in the main body, and a protection plate is connected to one side of the main body in a clamped mode. According to the temperature-adjustable biological cell culture equipment, through cooperative arrangement of the main body, the electric heating plate and the protection plate, when the equipment is used, the internal temperature can be better adjusted, the overall sealing effect is kept, the internal heat loss is reduced, the stable temperature is ensured, and the accuracy in an experiment is improved; and through the cooperative arrangement of a placement plate, a container box, a test tube rack and a limiting rod, the internal space differentiation can be better realized when the device is used.

The invention relates to the technical field of charcoal grilling equipment, in particular to an intelligent temperature control electric switch and charcoal grilling equipment, and the intelligent temperature control electric switch comprises an oven, the surface of which is provided with a knob; an extension plate is arranged on the surface of the moving plate, a swing plate is arranged on the surface of the moving plate, felt is arranged on the surface of the swing plate, a sliding groove is formed in the surface of the moving plate, a connecting rod is arranged in the sliding groove, and a fixing ring is arranged at the end of the connecting rod; and the jacking block is arranged on the surface of the knob. The oven has the beneficial effects that a rotary knob is screwed, a rotary rod is driven to rotate through the rotary knob, the rotary rod is connected with an intelligent control system, temperature adjustment is achieved, an extension plate is pulled, so that a movable plate extends out of the oven, the movable plate drives a swing plate to move, felt adheres to the surface of the swing plate, and an elastic piece is arranged on the surface of the swing plate; the elastic piece enables the swing plate to abut against the surface of the rotary knob, and when the felt moves along with the swing plate, the felt moves on the surface of the rotary knob and then cleans oil on the surface of the rotary knob.

The invention belongs to the technical field of airships, and particularly relates to airship airbag sealing performance testing equipment and a testing method.The airship airbag sealing performance testing equipment comprises a sealing box body, a stretching device, a pressing device, a temperature control device and a supercharging device, the top of the sealing box body is open, and an airbag sample piece covers the top of the sealing box body; the stretching device is used for applying tension to the airbag sample piece; the pressing device comprises a pressing piece, and the pressing piece is arranged above the air bag sample piece and used for pressing the air bag sample piece and the top of the sealing box body in a sealed mode, so that the air bag sample piece and the sealing box body form a sealed space; the temperature control device is used for adjusting the temperature of the sealed space; the supercharging device communicates with the sealed space and is used for adjusting the air pressure of the sealed space. By using the airship air bag sealing performance test equipment in the technical scheme, the problems that the air bag sealing performance test consumes manpower and material resources and is relatively high in cost can be effectively solved.