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677results about How to "Uniform cooling" patented technology

Control method for vertical air conditioner

The invention provides a control method for a vertical air conditioner. An indoor unit of the vertical air conditioner comprises an upper evaporator, an upper draught fan and at least one upper air supply port which are matched and further comprises a lower evaporator, a lower draught fan and at least one lower air supply port which are matched. The control method comprises the following steps that the indoor environment temperature Ta is detected; if Ta is higher than the preset refrigeration comfortable temperature zone in the refrigeration mode or is lower than the preset heating comfortable temperature zone in the heating mode, the upper draught fan and the lower draught fan run at the high rotating speed; if Ta is located in the refrigerating comfortable temperature zone in the refrigerating mode or is in the heating comfortable temperature zone in the heating mode, the upper draught fan runs at the high rotating speed, and the lower draught fan runs at the low rotating speed; and if Ta is lower than the refrigerating comfortable temperature zone in the refrigerating mode or is higher than the heating comfortable temperature zone in the heating mode, the upper draught fan runs at the low rotating speed, and the lower draught fan shuts down. According to the control method, air supply is more intelligent, air supply and soft air supply can be achieved according to needs, and the comfort degree of users is improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Silicone tunable optical filter and making method thereof

The invention provides a silicone tunable optical filter, comprising a silicone tuning cavity, a highly-doped silicone resistance heater, a lower cantilever beam, an upper cantilever beam, a left surface highly-doped cantilever beam, a right highly surface doped cantilever beam, a metal lead, a stress balancing metal lead, a left lead region, a right lead region and an SOI (Silicon-on-Insulator) supporting silicon substrate 11. The silicone tunable optical filter is obtained by using an SOI wafer with high resistance and a silicone machining process. A making method provided by the invention comprises the following steps of: (a) making a highly doped region on the surface of an SOI wafer device layer; (b) sputtering metal on the surface of the wafer device layer and making a metal structure; (c) making the silicone tuning cavity and each cantilever beam structure on the surface of the wafer device layer; (d) releasing the silicone tuning cavity and the cantilever beam structure from asubstrate layer of the lower surface of the silicon wafer; and (e) making high reflective films on the upper and lower surfaces of the silicone tuning cavity to form an optical F-P interference cavity body. The made filter has the advantages of very good optical performance, simple making process and high structural reliability.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Stem cell cryopreserving box and cryopreservation method

The invention discloses a stem cell cryopreserving box and a cryopreservation method. The stem cell cryopreserving box comprises a box body, a box cover and baffle plates, wherein an opening is arranged at the top part of the box body, and pressure adjusting and fixing devices are arranged outside two opposite side walls on the box body; a plurality of collection bags and a plurality of baffle plates are arranged in the box body alternately, and the baffle plates are located at the topmost part of the alternate arrangement of the collection bags and the baffle plates; and the box cover is located at the top part of the box body and is connected with the pressure adjusting and fixing devices on the side walls of the box body by fasteners. Compared with the prior art, when the stem cell cryopreserving box and the cryopreservation method are used, stem cell samples of the same patient can be placed in one box body, and the box cover can press the collection bags into a flat shape, so that stem cells can be uniformly cooled; each box body, as an independent storage unit, is convenient to take and use; and when the box body is taken and used, the operation is simple, and the consumed time is shorter, so that the refrigerator door opening time is shortened, and the temperatures of other box bodies are slightly influenced.
Owner:THE SECOND AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIV OF PLA

3D color printer capable of monitoring product quality online

The invention provides a 3D color printer capable of monitoring product quality online. The 3D color printer comprises a base, a vertical column, a printing nozzle, a printing moving mechanism, a workbench, a scanning device and a control processor, wherein the printing moving mechanism is connected with the printing nozzle and used for driving the printing nozzle to move within an XY plane; the workbench is arranged below the printing nozzle; a first driving mechanism is connected with the workbench and drives the workbench to move in the Z axis direction; an annular chute is arranged on the base; the projection, on the base, of the workbench is within an area defined by the inner contour of the annular chute; the scanning device is mounted on the chute; a second driving mechanism is in transmission connection with the scanning device and drives the scanning device to slide along the chute; the printing nozzle comprises a base plate, a stirring box, a stirring device, a heating block, a conveying tube, an extruding tube, a temperature sensor, an assistant heating layer, a heat preserving layer, a temperature controller, a branched air tube, an annular air tube and an air pump. With the adoption of the 3D color printer, a color model can be printed, and the accuracy is high; meanwhile, the model quality and color quality of a printed object can be monitored.
Owner:FANCHANG BEISI PRODIVITY PROMOTION CENT

Long-distance temperature control system of machine machining tool

The invention provides a long-distance temperature control system of a machine machining tool. The long-distance temperature control system comprises a cooling device, a drive device, a detection device used for detecting the temperature of the machine machining tool, a controller and a long-distance control client-side. The cooling device is connected with the drive device. The drive device is connected with the controller and used for controlling the drive device to change the position where the machine machining tool is cooled through the cooling device. The detection device is connected with the controller. The long-distance control client-side is connected with the controller in a wireless data transmission mode and used for sending a control command to the controller. By means of the long-distance temperature control system, the cooling of a traditional machine machining tool and the internet of things are combined, a cold air blast jet flow machine is controlled through an intelligent mobile phone, the position of a spray nozzle can be adjusted according to actual requirements, the machine machining tool is uniformly cooled, the long-distance control over the temperature of the machine machining tool is achieved, and the long-distance temperature control system has the advantages of being easy to use, convenient to control, good in cooling effect, low in energy consumption and capable of controlling the tool temperature any time any place.
Owner:珠海精芯科技有限公司

Novel concrete intelligent temperature control system and method

The invention discloses a novel concrete intelligent temperature control system and method. The system comprises a main server, an intelligent monitoring main control room and branch control stations. The main server of the system is responsible for data storage, management, calculation, analysis, pre-warning, forecasting and instruction transmission of the whole system and can dynamically and visually display all types of temperature control information in form of graphs, lists and lines, and related workers can conveniently conduct supervision and management. The intelligent monitoring main control room directly distributes instruction information of the main server to all the branch control stations and can send temperature control information of all the branch control stations to the main server in a concentrated mode. The branch control stations draw all monitoring devices to the system so that management and information transmission can be conveniently conducted. By means of the modularized, unitized and systemic design, the true temperature and stress, influenced by the true environment where various factors exist at the same time, of concrete are achieved, man-made influence factors are reduced through intelligent water injection, and rapid and high-quality construction of large-size concrete are ensured under the complex environment conditions.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Multifunctional cold storage preservation storehouse

The invention discloses a multifunctional cold storage preservation storehouse. The multifunctional cold storage preservation storehouse comprises a storehouse body and an intelligent control system which is connected with the storehouse body and controls the storehouse body. The storehouse body is provided with a liquid nitrogen adjusting system and a humidity adjusting system. The liquid nitrogen adjusting system comprises a refrigerant tank installed at one end outside the storehouse body, a temperature sensor, an oxygen concentration sensor, a liquid nitrogen conveying pipeline and an atomization nozzle. The temperature sensor, the oxygen concentration sensor, the liquid nitrogen conveying pipeline and the atomization nozzle are arranged in the storehouse body. The humidity adjusting system comprises a humidity sensor and a humidifier. The multifunctional cold storage preservation storehouse has the main advantages that the application occasions are wide, and the structure is simple and convenient; liquid nitrogen serves as a refrigerant, so that no additional resources need to be consumed for heat exchange, equipment is simple, and fast cooling can be achieved; and data in the storehouse can be monitored in real time, the refrigerant tank can be locked in all directions and can be replaced conveniently, all indexes of the storehouse body can be monitored automatically and precisely, and data are recorded, saved, printed and transmitted.
Owner:广州鲜之源生态冷链技术有限公司

Refrigerator and air flue system of compartment of refrigerator

An air flue system of a compartment of a refrigerator comprises an air flue device which comprises a first cover plate, a second cover plate, an air flue part and a fan. The air flue part is installed between the first cover plate and the second cover plate, the first cover plate is close to an opening surface of the compartment, the second cover plate is installed close to the back wall of an inner cavity of the compartment, and the fan is slantingly installed on the second cover plate. A first cold air flue is arranged between the flue part and the first cover plate, a first warm air flue is arranged between the air flue part and the second cover plate, and the fan is communicated with the first cold air flue. An air return port is arranged on the air flue device and communicated with the first warm air flue. An air outlet is arranged on the first cover plate and communicated with the first cold air flue. The invention further provides a refrigerator comprising the compartment, wherein the air flue system is installed in the compartment. The air flue system of the compartment of the refrigerator and the refrigerator solve problems of low refrigeration efficiency in compartment air supply, non-uniformity in air supply and large temperature difference.
Owner:博西华家用电器有限公司

Fruit and vegetable e-commerce cold-chain fresh-keeping container

The invention relates to a fruit and vegetable e-commerce cold-chain fresh-keeping container which comprises an outer-layer container, an inner-layer container, a sealing cover and a low power consumption internal circulation fan, wherein the inner-layer container is arranged inside the outer-layer container with a gap; the outer-layer container and the inner-layer container share one same sealingcover; a lifting handle is manufactured at the upper part of the sealing cover; the sealing cover tightly seals and covers the inner-layer container and the outer-layer container simultaneously; boththe material and the internal structure of the container cover are identical to those of the outer-layer container; on the inner side of the inner-layer container, a fresh-keeping adjusting assemblyis mounted at a ventilation window corresponding to the fan; the fresh-keeping adjusting assembly is a frame; the frame is made of a net and is opened front and back; a front opening corresponds to the ventilation window; an NO slow release block, a plant essential oil slow release block and a 1-mcp slow release block are placed in the fresh-keeping adjusting assembly from top to bottom in sequence; and an adsorption block is mounted inside the ventilation window corresponding to a sealing gate. Due to addition of slow release materials, environments in sub-containers can be adjusted, meanwhile, real-time gas regulation and control on micro environments in the containers can be implemented, and purposes of gas adjustment and corrosion prevention and environment protection and security canbe achieved.
Owner:大有作为(天津)冷链设备有限公司

Cooling device for power lithium battery and cooling plate thereof

The invention discloses a cooling device for a power lithium battery. The cooling device comprises a second branch consisting of a cooling plate and a second expansion valve at the front end of the cooling plate. The cooling device is characterized in that the second branch is connected in parallel with a first branch consisting of an evaporator of an automobile refrigerating system and a first expansion valve at the front end of the evaporator, wherein the cooling plate is attached to the battery. According to the cooling device for the power lithium battery, a liquid refrigerant from a condenser is divided into two paths; after being throttled and depressurized by the first expansion valve, the first path of liquid refrigerant enters the evaporator, is gasified to absorb heat in the evaporator, and exchanges heat with outside air, so as to achieve a refrigeration effect; after being throttled and depressurized by the second expansion valve, the second path of liquid refrigerant is directly charged into the cooling plate, after being attached to the cooling plate, the battery is in tight contact with the cooling plate, heat generated during operation of the battery is transferred to the cooling plate, the refrigerant is evaporated to absorb heat in the cooling plate, and the generated heat during operation of the battery is taken away, so that the temperature of the battery is reduced.
Owner:ZHEJIANG YINLUN MACHINERY

Low-temperature ultrasonic vibration fatigue experiment system

The invention discloses a low-temperature ultrasonic vibration fatigue experiment system. The low-temperature ultrasonic vibration fatigue experiment system comprises a piezoelectric transducer and an ultrasonic signal generator. The electric energy input end of the piezoelectric transducer is electrically connected with the alternating current signal output end of the ultrasonic signal generator, and the mechanical vibration output end of the piezoelectric transducer is connected with a test piece. A cryogenic box is further included and is of a closed box body structure, the test piece is located in the cryogenic box, a cooler is further arranged in the cryogenic box, a cooling device is further arranged outside the cryogenic box, and the cooling device is connected with the cooler through a pipeline. The cooler is of a spiral-coil-shaped structure, and the reciprocating direction of the test piece is located on the axis of the spiral-coil-shaped structure. A convection fan arranged in the cryogenic box is further included, and the axis of the convection fan is collinear with the axis of the spiral-coil-shaped structure. According to the system, a low-temperature vibration fatigue loading experiment can be efficiently conducted on the test piece.
Owner:SICHUAN UNIV

Vacuum refrigerating tumbling machine

The invention relates to a vacuum refrigerating tumbling machine, which aims to solve the technical problem that the current vacuum refrigerating tumbling machine is long in refrigerating time and larger in local difference in temperature. The technical scheme adopted is that the vacuum refrigerating tumbling machine comprises a tumbling barrel connected with a frame, a main shaft fixedly connected with the tumbling barrel, and a driving mechanism connected with the main shaft, wherein a refrigerating layer and an insulating layer are sequentially arranged between the inner and outer walls of the tumbling barrel respectively; the key point is that a middle refrigerating cabin is further arranged inside the tumbling barrel along the axis, the middle refrigerating cabin is internally provided with a partition board and is divided into a water inlet cabin and a water outlet cabin through the partition board; the water inlet cabin is communicated with a main water inlet via a first water inlet pipeline while the water outlet cabin is communicated with the water inlet of the refrigerating layer via a first water outlet pipeline, and the water outlet of the refrigerating layer is communicated with a main water outlet through a second water outlet pipeline to form a serial cold water circulating system. The invention has the technical effects that the vacuum refrigerating tumbling machine is uniform in cooling, small in local difference in temperature, fast refrigerating speed and good effect, and 1 / 3 refrigerating time can be shortened, and the quality of meat products can be better ensured.
Owner:河北诚业智能科技股份有限公司

Radiating nozzle of 3D printer

The invention relates to a radiating nozzle of a 3D printer and belongs to the technical field of parts of 3D printing equipment. The radiating nozzle comprises a sprayer, an air supply apparatus and a sleeve, wherein a spraying channel is arranged in the sprayer; a radiating groove is formed in the outer side of the side wall of the spraying channel and radiates in the outlet direction of the spraying channel; the air supply apparatus is used for supplying air to the radiating groove; and the sleeve is arranged on the sprayer in a sleeving manner and is matched with the radiating groove to form a radiating channel. The structure can directly form the radiating channel on the surface of the nozzle to prolong the time that air flow passes through the nozzle and improve the radiating efficiency of the nozzle; as the divergent radiating channel is adopted to synchronously cool the periphery of the spraying channel more uniformly, the radiating efficiency is improved, and blockage caused by excessive reduction of local temperature is avoided. The air-out direction of an air outlet of the radiating channel is the same as the spraying direction of the sprayer; the air at the back of a cooling sprayer is used for preheating, softening and dedusting a to-be-sprayed part so as to ensure adhesion firmness of materials sprayed one after another.
Owner:SICHUAN COLLEGE OF ARCHITECTURAL TECH

Semiconductor refrigeration assembly and refrigerator

The invention provides a semiconductor refrigeration assembly and a refrigerator. The refrigerator comprises a refrigerator body and the semiconductor refrigeration assembly. The semiconductor refrigeration assembly is arranged on a target side wall of the refrigerator body. The semiconductor refrigeration assembly is arranged vertical. An air channel structure is formed in the inner wall on the back of the refrigerator body. An air channel communicates with a storage bin of the refrigerator body. A cold side radiator is located in the air channel. A cold side fan is further arranged in the air channel. According to the scheme of the semiconductor refrigeration assembly and the refrigerator, after a semiconductor chilling plate refrigerates, cold energy is transmitted to the cold side radiator through a cold conduction block; because the cold side radiator is used as a cold side evaporation device, and an aluminum liner is omitted, under the action of the cold side fan, cold energy evaporated by the cold side radiator carries out thermal exchange with air in the storage bin of the refrigerator through air convection, the thermal exchange efficiency can be improved, and by adoptingthe manner of air convection, articles in the storage bin can be cooled even, and refrigeration is quicker.
Owner:合肥美菱物联科技有限公司

Double refrigerating system for refrigerator

The invention relates to a double refrigerating system for a refrigerator, and belongs to the technical field of refrigerators. The refrigerating system comprises a compressor, a condenser, a first freezing evaporator, a cold-storage evaporator and an electric switching valve. The outlet of the condenser is connected with the inlet of the electric switching valve, the outlet of the electric switching valve is connected with the inlets of the cold-storage evaporator and the first freezing evaporator respectively through cold storage capillary tubes and freezing capillary tubes, the outlet of the cold storage evaporator is connected with the inlet of the first freezing evaporator, a second freezing evaporator is arranged inside a freezing room, and a second freezing evaporator is connected between the inlets of the first freezing evaporator and the compressor in series. The first freezing evaporator is a winding tube arranged between an existing refrigerator thermal insulating layer and a freezing room box liner and is evenly wound on the peripheral side wall on the outer side of the freezing room box liner, and the second freezing evaporator is arranged on the inner side of the freezing room box liner and on the upper portion of the side face opposite to the door of the refrigerator. The frosting of the freezing room of the refrigerating system is evenly distributed and frost is easy to remove.
Owner:HEFEI MIDEA REFRIGERATOR CO LTD

Energy storage device

The invention provides an energy storage device. The energy storage device comprises a shell (121) and a heat exchanger (123), wherein a space for containing a phase change material (122) is defined in the shell (121); the heat exchanger (123) is arranged in the space, is used for heat exchange with the phase change material (122) and comprises at least one group of heat exchange units; each heatexchange unit comprises a heat exchange body (125) and a heat exchange reinforced part (126); and the heat exchange reinforced part (126) is used for reinforcing the heat conduction of the phase change material (122) and the heat exchange body (125). According to the energy storage device, the phase change material is used for storing and releasing cooling capacity and breaks away from a power supply to maintain the refrigeration environments of heat preservation equipment; a power source is not needed; the power source-free refrigeration is realized; the heat exchange reinforced part of the energy storage device enlarges the contact area of the phase change material and the heat exchanger, so that the energy storage device uniformly releases cold energy; and the heat preservation equipment has little temperature fluctuation and accurate temperature control, reduces the rate of damage caused by corrosion and effectively ensures the quality of goods.
Owner:丁玉龙 +1
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