Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

207results about How to "Easy temperature control" patented technology

Automatic control method and system for constant-temperature test room

The invention relates to the field of temperature control, in particular to an automatic control method and system for a constant-temperature test room. The method comprises the following steps: acquiring real-time indoor operation monitoring parameters and external environment multi-dimensional data of a constant-temperature test room; performing indoor operation state analysis on the real-time indoor operation monitoring parameters, and constructing a laboratory dynamic state space model; carrying out multi-time-point environment temperature fluctuation calculation on the external environment multi-dimensional data, and carrying out nonlinear correlation learning to generate indoor state-environment nonlinear correlation characteristics; carrying out dynamic temperature evolution simulation on the laboratory dynamic state space model based on the indoor state-environment nonlinear correlation characteristics, and carrying out dynamic temperature evolution prediction to obtain temperature prediction values of a plurality of regions; constant-temperature deviation compensation calculation is carried out on the temperature prediction values of the multiple areas, then intelligent temperature control compensation is carried out, and an intelligent temperature control strategy is constructed; according to the invention, efficient and accurate constant-temperature automatic control is realized.
Owner:GUANGDONG KOMEG IND CO LTD

Machine room energy consumption optimization method and system based on temperature monitoring

The invention provides a machine room energy consumption optimization method and system based on temperature monitoring, and relates to the technical field of energy consumption optimization, and the method comprises the steps: collecting the temperature data of a machine room in real time, continuously monitoring the temperature gradient of each region, carrying out the fusion processing, and constructing a three-dimensional dynamic temperature distribution model; a hot spot area, an airflow dead angle and a cooling capacity waste area are identified through a deep learning algorithm, a flowing track and a mixing process of cold and hot air in a machine room are predicted through a track regression neural network in combination with machine room layout and equipment distribution, and a machine room temperature control strategy set is generated through adaptive neural fuzzy reasoning, correction and updating of a prediction result; and by taking minimum energy consumption and maximum refrigeration efficiency as optimization objectives and taking a safe operation temperature range of equipment in the machine room as a constraint condition, a plurality of parameters are jointly adjusted through a temperature control optimization algorithm to obtain an optimal temperature control curve, and the optimal temperature control curve is converted into a refrigeration system control instruction, so that collaborative optimization of the temperature and the energy consumption of the machine room is realized.
Owner:BEIJING LIANWU RUIDA INFORMATION TECH CO LTD

Indoor temperature control method and device, electronic equipment and readable storage medium

The invention relates to the technical field of temperature control, and provides an indoor temperature control method and device, electronic equipment and a readable storage medium. The method comprises the steps that operation state data, corresponding to current time, of temperature control equipment is obtained according to the current time, indoor and outdoor environment characteristic data corresponding to the current time are obtained, and the temperature control equipment is cold station equipment or hot station equipment; predicting an indoor load demand in the next time period according to the indoor and outdoor environment characteristic data to obtain an indoor target load in the next time period; wherein the load demand is a cooling capacity demand or a heat demand; predicting operation parameters of the temperature control equipment according to the target load, the operation state data and the indoor and outdoor environment characteristic data, and generating target operation state data of the temperature control equipment; and the temperature control equipment is controlled according to the target operation state data, so that the performance of the temperature control equipment is remarkably improved, and more refined and personalized temperature control is realized.
Owner:BEIJING ZHIDA TIANJIE COMMERCIAL OPERATION MANAGEMENT CO LTD

Indirect heat pump type thermal management system

The invention relates to the technical field of electric vehicle heat management, in particular to an indirect heat pump type heat management system. Comprising an electric drive cooling liquid loop, a battery cooling liquid loop, a heating cooling liquid loop and a refrigerant loop. The heating cooling liquid loop comprises a first heating loop and a second heating loop; the first heating loop is connected in series with a warm air core body; the second heating loop exchanges heat with the battery cooling liquid loop through the battery heating heat exchanger; the refrigerant loop comprises a first refrigerating loop, a second refrigerating loop and a third refrigerating loop; the first refrigerating loop exchanges heat with the heating coolant loop through the water-cooled condenser; the second refrigerating loop exchanges heat with the battery cooling liquid loop through the battery cooling heat exchanger; an evaporator used for cooling the passenger compartment is connected to the third refrigeration loop in series. And the battery cooling liquid loop and the electric drive cooling liquid loop are mutually coupled and communicated. The indirect heat pump type heat management system can well meet the heating requirements of a battery pack and a passenger compartment.
Owner:DONGFENG HONDA AUTOMOBILE CO LTD

Production system and preparation method of titanium hydride

The invention belongs to the technical field of powder metallurgy, and discloses a titanium hydride production system and a preparation method.The production system comprises a transverse reaction bin provided with a hopper, a conveying mechanism, a material taking unit, a hydrogen injection variable pressure unit, a reaction unit and a cooling unit, and the material taking unit, the hydrogen injection variable pressure unit, the reaction unit and the cooling unit are sequentially connected and are connected end to end through the conveying mechanism; the transverse reaction bin is sequentially conveyed among the units through the conveying mechanism, more than two parallel sliding rails are fixedly arranged on the inner side wall of the bin body, the transverse reaction bin can be circularly conveyed in a production system through the end-to-end functional unit structures, different preparation processes are carried out on the reaction bins of different units within the same time, and the productivity is remarkably improved. According to the titanium hydride production system, high-yield titanium hydride preparation is achieved, the yield is increased by 20 times, and the titanium hydride production system is energy-saving and efficient. The method is suitable for industrial mass production of titanium hydride.
Owner:LINYI SHENGFENG DRYING EQUIP CO LTD

Cold storage cooling system of energy storage power station

The embodiment of the utility model provides a cold storage cooling system of an energy storage power station, and belongs to the field of liquid cooling systems. The cold storage cooling system of the energy storage power station comprises a refrigerating system and a cooling system, the refrigerating system comprises a screw type cooling-water machine, a plate heat exchanger and a cross-flow cooling tower, the screw type cooling-water machine is connected with the plate heat exchanger in series and communicated with the cross-flow cooling tower through a first pipeline, the plate heat exchanger is communicated with the cross-flow cooling tower through a second pipeline, and the refrigerating system prepares cooling water through electricity price in the low ebb period; the cold storage system comprises a cold storage tank, a water inlet of the cold storage tank is communicated with the screw type water chiller through a third pipeline and is communicated with the plate heat exchanger through a fourth pipeline, a water outlet of the cold storage tank is communicated with the energy storage battery cabin, and the cold storage tank is used for storing cooling water prepared by the refrigerating system and releasing cold when the energy storage battery cabin is charged and discharged. According to the refrigerating system, cooling water is prepared through flexible application of valley electricity, the system operation cost is reduced, the cooling water is stored in the cold storage tank, cold release is conducted during charging and discharging of the energy storage battery cabin, and then the energy-saving effect is achieved.
Owner:SHANDONG ELECTRIC TIMES ENERGY TECH CO LTD

Pull-type underwater inspection robot

The utility model discloses a pull-type underwater inspection robot. The pull-type underwater inspection robot comprises a base, a support is arranged below the base, a driving wheel is installed on the support, a moving belt is arranged on the outer side of the driving wheel, an auxiliary wheel is connected to the inner side of the moving belt, the auxiliary wheel is installed on a supporting frame, the supporting frame is connected to the lower portion of a supporting plate through a buffering assembly, and the buffering assembly comprises a storage box connected to the lower portion of the supporting plate. And a sliding rod is installed in the storage box, a first spring is arranged on the outer side of the sliding rod in a sleeving mode, a sliding block is arranged on the outer side of the sliding rod in a sleeving mode, and the sliding block is connected to the supporting frame through an inclined rod. According to the traction type underwater inspection robot, overall driving depends on external electric power and traction force to move, the problem that the use range is limited due to the fact that electric energy needs to be converted is solved, buffering operation is conducted through the buffering assembly, and the problem that inspection is inconvenient due to poor stability is solved.
Owner:JIANGSU SUHONG IND TECHNOLOGY CO LTD

Insect breeding tank and continuous breeding system and method

The continuous insect breeding system comprises a plurality of breeding tanks, an insect material inlet and outlet device, a water and air supply device and the like, water is supplied upwards and downwards from the middle breeding tank, and two independent water supply channels are formed; air is supplied upwards from the bottommost breeding tank and exhausted after passing through the topmost breeding tank. The water storage device of one breeding tank comprises a water flow channel plate with a plurality of parallel grooves, the water flow channel plate and water distribution pipes on the two sides are installed below a tank body transverse plate together and connected with a water receiving opening through the water distribution pipes, and the water receiving opening, the water distribution pipes, the water flow channel plate and the transverse plate form a plurality of independent water flow channels. Through reverse air supply, bottom-layer materials are quickly dried, and the situation that larva eating is reduced due to the fact that upper-layer foodstuff is too quickly dried is prevented; cooling water enters from the middle and is discharged from the top layer and the bottom layer, heat generated by the middle breeding tank can be effectively taken away, meanwhile, the top layer breeding tank and the bottom layer breeding tank are heated, the activity of larvae in the top layer breeding tank is improved, and evaporation of water of materials in the bottom layer breeding tank is accelerated.
Owner:杭州汉山环境工程技术有限公司

Spray head water bath heating tool for electronic 3D printing

The utility model provides a spray head water bath heating tool for electronic 3D printing. The spray head water bath heating tool comprises an upper control system, a constant-sensitivity circulating water bath kettle, a temperature acquisition device, a water circulating flow channel and two clamping pieces connected with each other, the first clamping piece and the second clamping piece are aluminum alloy pieces and are symmetrically arranged, the plate surface of each clamping piece is provided with a mounting groove for accommodating an ink bottle, a liquid pipe, a printing spray head and temperature acquisition equipment and is also provided with a water circulation flow channel connected with a constant-sensitivity circulation water bath kettle, and the two water circulation flow channels wrap the ink bottle, the liquid pipe and the printing spray head; the temperature collecting device is used for collecting ink temperature information and uploading the ink temperature information to the upper control system, and the upper control system can judge whether the ink temperature meets the printing requirement or not and control printing operation or control the constant-sensitivity circulating water bath kettle to adjust the heating temperature to continue heating according to the judgment result. According to the viscosity of different printing inks, constant-temperature heating is achieved, the viscosity of the printing inks is reduced, and the printing effect of the high-viscosity printing inks is improved.
Owner:BEIFANG UNIV OF NATITIES +2

Bagged laundry detergent sealing machine

The utility model discloses a bagged laundry detergent sealing machine which comprises a machine frame, a conveying belt is arranged on the front side of the top of the machine frame, a plurality of positioning placing grids are arranged on the conveying belt, an installation support is installed on the rear side of the top of the machine frame, and an installation plate extending forwards is arranged on the top of the installation support. First air cylinders moving up and down are mounted on the left side and the right side of the bottom of the mounting plate correspondingly, second air cylinders moving left and right are mounted at the bottoms of the first air cylinders, third air cylinders moving left and right are mounted at the bottoms of the second air cylinders, clamping plates are mounted on the third air cylinders, and electric heating plates are mounted on the second air cylinders. And the electric heating plate is connected with a ceramic pressing plate. The bagged laundry detergent bag sealing device is simple in structure, convenient to use, good in bagged laundry detergent positioning effect and capable of conducting heat sealing on ports of bagged laundry detergents of different heights, the ceramic pressing plate is heated evenly, the sealing temperature is easy to control, the sealing quality is improved, the operation efficiency of workers is improved, and laundry detergent bags are sealed evenly and tightly.
Owner:TAISHAN HEMO DAILY PRODUCTS CO LTD

Process for producing insoluble sulfur with high thermal stability by gasification method

The invention relates to the field of processes for producing insoluble sulfur with high thermal stability by a gasification method, in particular to a process for producing insoluble sulfur with high thermal stability by a gasification method, which comprises the following steps: selecting common sulfur with the purity of # imgabs0 as a raw material, screening and drying; the dried sulfur is heated and stirred; feeding into a tubular gasification furnace for gaseous state, so as to obtain high-temperature sulfur steam; introducing the high-temperature sulfur steam into a polymerization reaction furnace to carry out polymerization reaction, and controlling the temperature in the polymerization process; carbon disulfide is used as an extraction agent, sulfur steam obtained after polymerization reaction is introduced into an extraction tower, and a mixture of insoluble sulfur and a small amount of residual extraction agent is obtained from the bottom of the extraction tower; and carrying out solid-liquid separation on the mixture by using a centrifugal separator, drying and crushing to obtain the insoluble sulfur. By controlling the temperature in the polymerization reaction process, the problem that the yield is reduced due to the fact that the temperature is too low or too high is solved.
Owner:CHAOYANG MINGYU CHEM CO LTD

Water temperature control device for engine bench test

The invention discloses a water temperature control device for an engine bench test, and the device comprises a main pipeline, the water inlet of the main pipeline is communicated with the water outlet of an engine, and the water outlet of the main pipeline is communicated with the water inlet of the engine; the heat exchanger comprises a heat exchange pipeline and a conveying pipeline, a water inlet and a water outlet of the conveying pipeline are both communicated with the main pipeline, and the water outlet of the conveying pipeline is communicated with the main pipeline through a first three-way proportional valve; the heat exchanger is used for regulating and controlling the temperature of water in the main pipeline, water in the main pipeline flows into the conveying pipeline and then exchanges heat with the heat exchange pipeline, temperature rising or cooling is achieved, water in the conveying pipeline flows out and then is mixed with the main pipeline, the mixing proportion is controlled through the first three-way proportional valve, and the mixing efficiency is improved. And after the mixed water temperature reaches the temperature required by the test, the mixed water flows into the engine to realize regulation and control of the water temperature.
Owner:CATARC AUTOMOTIVE TEST CENTER (WUHAN) CO LTD

A battery pack temperature control device for a new energy bus

This invention relates to a temperature control device for a battery pack in a new energy bus, comprising a battery box, several module boxes arranged side-by-side in the middle of the inner side of the battery box, several battery cells arranged side-by-side in the module boxes, a heat spreader plate embedded in one inner wall of one side of the module box, several heat exchange tubes embedded inside the module box and abutting against the heat spreader plate, an insulation tank on one side of the outer side of the battery box, a heat exchanger on one side of the insulation tank, and an air conditioner on one side of the heat exchanger. The air conditioner is connected to the heat exchanger and the insulation tank respectively through refrigerant pipes. A water pump is installed at one end of the insulation tank. In winter or low-temperature environments, it collects heat from the air, heating the water in the insulation tank to hot water. In summer or high-temperature environments, it releases heat to the air through the heat exchanger and cools the water in the insulation tank to cold water, so that the battery cells can be maintained between 20 and 30 degrees Celsius in various temperature environments, so that the working efficiency of the battery cells can be optimized.
Owner:ANHUI ANKAI AUTOMOBILE

All-electrically driven ultrasonic vibration-infrared heating energy field assisted multi-station precision glass mold pressing equipment

The utility model discloses full-electric-drive ultrasonic vibration-infrared heating energy field assisted multi-station precision glass mold pressing equipment, which comprises a control box, a feeding assembly, a pressure forming execution unit, a discharging assembly and an electric control cabinet, and adopts an infrared radiation heating mode to carry out rapid non-isothermal heating on a glass prefabricated part. And an ultrasonic vibration element and a pressure sensing element are arranged in the lower mold base of the mold pressing station, and when the prefabricated part is heated to a softening point, the ultrasonic vibration element is started to cooperatively work with an infrared heating technology, so that the filling speed and quality of glass mold pressing forming are improved. The full-electric driving technology is used, the control precision and the die pressing forming efficiency are high, in addition, compared with a traditional glass die pressing machining mode, the infrared heating element and ultrasonic vibration cooperative work machining technology achieves precise and efficient machining of a glass prefabricated part, the problem of interference of heating and vibration in traditional die pressing is solved, and the production efficiency is improved. And the forming precision and efficiency of the product are improved.
Owner:CHANGCHUN UNIV OF TECH

Temperature regulation and control device for graphene production

The utility model belongs to the technical field of graphene production equipment, and particularly relates to a temperature regulation and control device for graphene production, which comprises a mixing drum, a heating box is arranged on one side of the mixing drum, a plurality of heating rods are arranged in the heating box, the bottom end of the heating box is communicated with an air guide port, and the other side of a fan is communicated with an air inlet pipe. When the temperature is higher than the preset temperature, the second electromagnetic valve is closed, the first electromagnetic valve is opened, the fan is started, and when the temperature is higher than the preset temperature, the second electromagnetic valve is closed, the first electromagnetic valve is opened, and the fan is started. Cold air is guided into the stirring barrel through the air guide pipe, meanwhile, the exhaust pipe is opened, the interior of the stirring barrel is rapidly cooled, meanwhile, external cold water is guided into the water storage column through the water inlet pipe, and therefore rapid cooling is achieved, it is guaranteed that the temperature of the graphene processing environment is constant, temperature control is convenient, and the working efficiency is improved.
Owner:威海金凯利石墨烯科技有限公司

Drying device for pretreatment of coarse cereal mixed raw materials

The invention discloses a drying device for pretreatment of coarse cereal mixed raw materials, relates to the technical field of coarse cereal drying devices, and solves the technical problems that the temperature difference between just entering coarse cereals and hot air is large, and drying is not uniform. Comprising a drying roller which is slightly obliquely mounted at the top of a drying machine rack; the uniform drying mechanism comprises a plurality of air supply pipes embedded in the inner wall of the drying roller, an arc-shaped air guide pipe for supplying hot air into the drying roller, and a heating component arranged at the right end of the drying roller in a sleeving manner and used for providing the hot air; generated hot air can be evenly sent to each sieve plate, the drying temperature of each sieve plate is adjusted and controlled according to the coarse cereal drying time, coarse cereals can be fully dried through hot air, the situation that the drying uniformity is affected by large temperature difference cannot be generated, the gas heating time is prolonged, gas heating is even, and the drying efficiency is improved. The coarse cereal drying quality and the drying efficiency are improved.
Owner:ANHUI YANZHIFANG FOOD

Remote indoor temperature control system based on voice recognition technology

The invention provides a remote indoor temperature control system based on a voice recognition technology, and relates to the technical field of voice recognition. Recognizing the voice instruction based on a voice recognition model to obtain voiceprint features and voice texts; judging whether the voiceprint features meet a user white list or not; when the voiceprint features meet the user white list, performing word segmentation processing on the voice text to obtain control keywords; and executing corresponding operation on the indoor temperature control equipment based on the control keyword to realize remote temperature control. According to the invention, the user can easily adjust the indoor temperature only by sending out a simple voice instruction, and does not need to tediously and manually operate physical keys or specially open a mobile phone APP.
Owner:深圳市昶檀净化科技股份有限公司

Intelligent circulation refrigeration control system for offset printing centralized liquid supply and using method thereof

The invention discloses an intelligent circulation refrigeration control system for offset printing centralized liquid supply. The intelligent circulation refrigeration control system comprises a central control system, a refrigeration water storage and supply subsystem, an intelligent circulation refrigeration and supply subsystem, a recovery processing and recirculation subsystem and a pipeline subsystem. The using method of the intelligent circulation refrigeration control system for offset printing centralized liquid supply specifically comprises the following steps that S1, starting and adjusting are conducted; s2, circulating operation; s3, monitoring and adjusting; and S4, fault processing. The fountain solution and the cooling water are concentrated in one supply system, centralized and intelligent supply is achieved, a three-pump independent circulation system is formed, data of the fountain solution and data of the cooling water are monitored in real time and automatically regulated and controlled to be maintained in a set range, the resource utilization rate is increased to the maximum extent, temperature control is optimized, the maintenance process is simplified, and the service life of the fountain solution and the cooling water is prolonged. And the printing production efficiency and the printing quality are improved.
Owner:CHANGSHA HONGFA PRINTING IND

A processing device system and surface treatment method for obtaining a specified geometric size energy transmission optical fiber preform

ActiveCN114057386BUniform heating temperatureStable heating temperatureGlass making apparatusFiberMachine tool
The present invention provides a processing device system and a surface treatment method for obtaining a specified geometric size energy transmission optical fiber preform rod, wherein the device system comprises a machine tool processing unit and an optical fiber preform rod processing unit; the optical fiber preform rod processing unit comprises a preform rod combination sleeve and a three-claw sleeve sealing ring combination device; the machine tool processing unit comprises a glass processing lathe, a diameter control device and an exhaust gas exhaust device. The device system provided by the present invention can improve the problem of poor uniformity of geometric dimensions of the existing grinding processing technology by quantitatively treating the surface of the optical fiber preform rod in sections; solve the problem of cracking without applying stress to the rod body; improve the control accuracy by online monitoring of the outer diameter of the preform rod, and do not generate solid waste.
Owner:JIANGSU HENGTONG OPTICAL FIBER TECH +2

Rolling mill and metal composite rolling method

The invention discloses a rolling mill and a metal composite rolling method, and relates to the technical field of rolling mills for rolling and forming sections. The first rolling mill is used for rolling a composite metal blank; the composite metal blank comprises a double-layer metal blank which specifically comprises an inner-layer blank and an outer-layer blank; the inner-layer blank is arranged in the outer-layer blank and is made of different materials; the section of the inner-layer blank is in a central symmetry shape; the first rolling mill comprises a first rolling hole, and the first rolling hole is an asymmetric oval rolling hole; through the design of the asymmetric oval rolling holes, deformation is distributed more evenly, internal stress concentration is reduced, the size precision and surface quality of products are improved, and under the condition that the rolling hole alignment precision is reduced due to aging or improper maintenance of a rolling mill, the asymmetric oval rolling holes can still keep relatively stable rolling quality and low defective rate.
Owner:BAOJI XIELI METAL MATERIAL CO LTD

Ausmelt furnace top and bottom combined blowing method

The invention belongs to the field of copper smelting of Ausmelt furnaces (Ausmelt furnaces), and particularly relates to an Ausmelt furnace top and bottom combined blowing method. Aiming at the defects of short service life of a top blowing spray gun, non-uniform heat transfer of a molten pool, poor fluidity of molten slag and the like in the Ausmelt furnace smelting process, the invention provides a top-bottom combined blowing method. Three or four bottom blowing spray guns are arranged, the top blowing spray gun and the bottom blowing spray guns are each of a three-layer sheath structure, the innermost layer is coal gas, the middle layer is oxygen-enriched gas, the outermost layer is CO2 gas, top blowing and bottom blowing are carried out at the same time, the flowability of melt in a molten pool is improved, the heat loss of the top blowing spray guns, the content of Fe3O4 in molten slag and the viscosity of the molten slag are reduced, and the production condition is remarkably improved.
Owner:NORTHEASTERN UNIV CHINA

A temperature-controllable plate heat exchanger

The present invention discloses a temperature-controllable plate heat exchanger, which relates to the technical field of plate heat exchangers; it comprises a main body composed of a frame plate, a clamping plate, a plate, a sealing gasket, a tightening screw, and a guide rod; the frame plate is fixedly connected with a hot liquid inlet pipe, a hot liquid outlet pipe, a cold liquid inlet pipe, and a cold liquid outlet pipe; two temperature control pipes are fixedly installed on the frame plate, and the upper temperature control pipe is fixedly connected with the hot liquid inlet pipe through a connecting pipe. The advantages are: through the coordinated use of two one-way bearings, when required, the temperature control operation on a single temperature control pipe can be achieved by only changing the rotation direction of the regulating disk, and the temperature control operation is simple, and only a required rotational force can be applied to the regulating disk by hand; at the same time, the temperature control of a single temperature control pipe can be quickly switched to the simultaneous temperature control of two temperature control pipes, and the adjustment operation is simple, and only a required rotational force can be applied to the screw by hand, which effectively improves the temperature control requirements.
Owner:LANZHOU PETROCHEMICAL VOCATIONAL & TECH UNIV

A fluidity measuring device and method for investment casting

The present invention provides a fluidity measuring device for investment casting, comprising: at least one mold assembly, which is arranged on a frame, each of the mold assemblies comprising an upper template and a lower template, the upper template being arranged on the lower template, the lower template being provided with a serpentine flow channel on a side close to the upper template, the upper template being provided with a flow channel opening, the flow channel opening being communicated with a pouring inlet of the serpentine flow channel; a pouring cup, which is arranged on the upper template, the pouring cup being communicated with the pouring inlet through the flow channel opening; and a heating device, which is arranged on the frame, the heating device being a constant temperature heating device. The present invention provides a fluidity measuring device and measuring device for investment casting, wherein the heating device is a water bath or a constant temperature box, thereby avoiding the fire hazard caused by using an open flame electric furnace for heating during the experiment, and the electric furnace is used to heat the material to be tested at a constant temperature, thereby making the temperature of the material to be tested easy to control and preventing energy waste.
Owner:NANTONG UNIV

High-pumping-conversion-efficiency active optical fiber based on pumping ring structure and amplifier structure

The invention discloses a pumping ring structure-based active optical fiber with high pumping conversion efficiency and an amplifier structure, and relates to the field of active optical fibers and optical fiber amplifiers, the pumping ring structure-based active optical fiber comprises a layered structure which is sequentially arranged from inside to outside, and the layered structure comprises a fiber core, a pumping ring structure, a quartz cladding and a coating layer, the optical fiber is located at the geometric center of the active fiber; the pumping ring structure is arranged around the fiber core and is used for guiding and converging pumping light to gather towards a fiber core area, the pumping ring structure is composed of one or more layers of concentric annular modulation areas, and the refractive indexes of all the layers of modulation areas are gradually increased layer by layer from outside to inside in the radial direction; according to the active optical fiber and amplifier structure, one or more layers of concentric pumping rings with refractive indexes gradually increased layer by layer from outside to inside are arranged in the cladding, and the concentration degree and energy density of pumping light towards a fiber core area can be remarkably improved to a certain extent by utilizing the guiding effect of refractive index gradients on a pumping light propagation path; therefore, higher pumping absorption efficiency and gain performance are realized.
Owner:JINAN UNIVERSITY

Strip steel heat preservation channel for improving strip steel surface coating quality

The utility model discloses a strip steel heat preservation channel capable of improving the quality of a strip steel surface coating, which relates to the technical field of heat preservation channels and comprises a strip steel coating device and a strip steel heat preservation channel body, the strip steel coating device is used for coating the strip steel surface, and the strip steel heat preservation channel body is used for operating the strip steel coating device. According to the strip steel heat preservation channel for improving the quality of the strip steel surface coating, a good environment is provided, and the movable heating mechanism is arranged in the strip steel heat preservation channel body and used for heating the interior of the strip steel heat preservation channel body. The movable heating mechanism can dynamically adjust the heating position and strength according to the speed and temperature distribution of the strip steel, it is ensured that heating is more uniform before the surface of the strip steel is plated, it is crucial for improving the adhesive force of a plating layer and reducing defects, and the uniform heating can improve the quality of the surface plating layer of the strip steel.
Owner:HANGZHOU XIAOSHAN QIANHONG TRANSPORT MATERIAL

Integrated methanol reforming hydrogen production reactor

ActiveCN222498685UGuarantee reaction efficiencyreduce trafficHydrogenMethanol waterTemperature control
The utility model relates to an integrated methanol reforming hydrogen production reactor which comprises a shell, a plurality of mutually parallel reforming reaction tubes are arranged in the shell, a methanol water evaporation part is sleeved outside the shell, and gaps among the reforming reaction tubes are hot flue gas flow channels. The methanol water evaporation part comprises a methanol water solution vaporization flow channel and a tail gas flow channel adjacent to the methanol water solution vaporization flow channel, and the inner wall of the reforming reaction tube is uniformly coated with a reforming catalyst. The reformer and the evaporator are combined together, only a set of heat source needs to be provided for the flue gas flow channel of the reforming reactor on the premise that the hydrogen production amount is guaranteed, the structure is more compact, the size is smaller, heat loss is reduced, the overall efficiency is improved, and temperature control over the reforming reactor is facilitated.
Owner:SUZHOU QINGJIE POWER SUPPLY TECH CO LTD

Solid-phase reactor capable of regulating and controlling temperature

The utility model relates to a solid-phase reactor capable of regulating and controlling temperature, which belongs to the technical field of solid-phase reactors and comprises a reactor body and a temperature regulating and controlling device, a kettle body in the temperature reactor body is of a double-layer glass barrel structure, and the temperature regulating and controlling device comprises a controller, a water pipe, an electromagnetic valve and an external pipeline. A gap layer between the double-layer glass of the kettle body is externally connected with an external pipeline through a water pipe, the electromagnetic valve is mounted on the water pipe, the controller is used for regulating and controlling the electromagnetic valve, a partition plate is arranged in the double-layer glass structure of the kettle body, and the temperature environment of reaction in the kettle body is regulated and controlled by inputting water at different temperatures into the gap layer; therefore, the temperature of the whole reactor body can be regulated and controlled only by regulating and controlling the water inlet temperature, regulation and control are simple, and it needs to notice that due to the fact that the partition plates are arranged, water must flow through the whole reaction kettle from water inlet to water outlet, and the temperature of the kettle body can be sufficiently and uniformly regulated and controlled.
Owner:CHANGZHOU HUADA NANO MATERIAL TECH CO LTD

Power battery top cover and power battery comprising same

The utility model provides the power battery top cover and the power battery comprising the power battery top cover, the power battery top cover is stable in structure, and the space of the battery top cover can be effectively reduced. The power battery top cover comprises a cover plate which is provided with a mounting through hole; the polar column is provided with a pressing and abutting part abutting against the first side of the cover plate, a column body part penetrating through the mounting through hole and a pressing part penetrating out of the second side of the cover plate; the pressing piece is used for fixedly connecting the pressing part with the cover plate; the first insulating part is arranged between the pressing part and the first side of the cover plate in an abutting manner; the connecting sheet is arranged between the pressing and abutting part and the first insulating part in an abutting manner, and the connecting sheet is fixedly connected with the pressing and abutting part; wherein the cover plate and the first insulating part are respectively provided with a sinking table protruding towards the second side of the cover plate, the sinking table of the first insulating part is embedded in the sinking table of the cover plate, and the pressing and abutting part and the connecting piece are arranged in the sinking table of the first insulating part.
Owner:KUNSHAN CHANGYUAN NEW ENERGY CO LTD

Thermal decomposition reactor and system for preparing fluoroaromatic hydrocarbons, and continuous preparation process

The present invention provides a thermal decomposition reactor and a system and a continuous preparation process for preparing fluoroaromatic hydrocarbons. The thermal decomposition reactor includes at least two spiral tubular reactors connected in series; the reaction temperatures of the two spiral tubular reactors are different; the application of the thermal decomposition spiral tubular reactor for the thermal decomposition reaction of hydrogen fluoride diazonium salt of aromatic amine has significant comprehensive advantages compared with the existing intermittent production process and straight tube reactor. The reaction yield can be significantly improved, the operation process is easy to control, the production capacity is increased, the investment cost, energy consumption and labor cost are saved, and it is safe and environmentally friendly.
Owner:DALIAN DINGYAN PHARM CHEM CO LTD

Hydrogen production device

The utility model provides a hydrogen production device. The hydrogen production device comprises a hydrogen production device body, a secondary coil, an eddy current generating unit and at least one supporting piece, the hydrogen production device body is provided with a chamber, one end part of the hydrogen production device body is provided with a first lead-in port for a first substance to enter the chamber and a second lead-in port for a second substance to enter the chamber, and the other end part of the hydrogen production device body is provided with a lead-out port and a discharge port; the secondary coil group is wound outside the hydrogen production device body; the eddy current generating unit is arranged in the cavity corresponding to the winding position of the secondary coil; the supporting piece is provided with a plurality of through holes and is arranged in the cavity, and the eddy current generating unit penetrates through the supporting piece and is arranged in the cavity through the supporting piece.
Owner:郭 文达