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218results about How to "Increase working temperature" patented technology

Temperature adjusting method and system based on embedded lithium battery

The invention relates to the technical field of lithium battery temperature regulation and control, in particular to a temperature regulation method and system based on an embedded lithium battery. According to the invention, accurate real-time monitoring and dynamic regulation and control of the temperature of the lithium battery are realized by constructing the temperature regulation and control sensing model and the self-adaptive power management system. And a temperature propagation model, a dynamic battery model and a compensation factor are introduced, so that the temperature prediction precision and the system response capability are improved. A comprehensive thermal state evaluation function and an innovative temperature adjusting method are adopted, and comprehensive thermal state evaluation and flexible temperature control are achieved. And the multi-level temperature risk management ensures the safety of the system. The multi-layer and multi-angle temperature control strategy obviously prolongs the service life, safety and performance of the battery, and provides a reliable and efficient energy solution for equipment such as electric automobiles.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

Battery pack and phase change material coupling liquid cooling composite thermal management system

The invention belongs to the technical field of battery thermal management, and discloses a battery pack and a phase change material coupling liquid cooling composite thermal management system.The battery pack comprises a plurality of battery structures, each battery structure comprises a lithium battery, a fin structure, a phase change material filling area and a liquid cooling plate, and the fin structure is arranged on the periphery of the lithium battery; the liquid cooling plate is arranged on the periphery of the fin structure, a phase-change material filling area is formed between the liquid cooling plate and the fin structure, and the phase-change material filling area is filled with a phase-change material for absorbing redundant heat and generating phase change, so that the temperature fluctuation of the battery is reduced. The lithium bromide heat pump and the direct-current power supply are combined, and accurate adjustment of the temperature of the battery pack is achieved through efficient heat exchange and intelligent control. The system can be rapidly switched between a cooling mode and a heating mode, and it is ensured that the battery is always kept within the optimal temperature range in different working environments.
Owner:ZHEJIANG HENGMAI ENERGY TECH CO LTD +1

Hydraulic safety valve

The utility model provides a hydraulic safety valve, which relates to the technical field of hydraulic safety valves and comprises a hydraulic safety valve body, an oil storage chamber is arranged at the top of the hydraulic safety valve body, and a heating structure is fixedly connected to the outer side of the oil storage chamber and can heat hydraulic oil in the oil storage chamber. Through the design of the heating structure and the heat dissipation structure, the temperature sensor can detect the temperature of hydraulic oil in real time, when the temperature of the hydraulic oil in the oil storage chamber is too low, the heating structure can be started and heat the hydraulic oil, so that the hydraulic oil can be located at the optimal working temperature, and when the temperature of the hydraulic oil is too high, the heat dissipation mechanism can be started; and a heating medium and hydraulic oil in the heating structure are subjected to synchronous heat dissipation, so that the heating structure can recover to the optimal working temperature.
Owner:ZHEJIANG FUCHAO SAFETY VALVE MFG CO LTD

New energy automobile battery temperature control system

The invention provides a new energy automobile battery temperature control system which comprises a battery pack, a battery pack, a liquid cooling pipeline, a backflow pipeline, an expansion water tank, a first circulating pump, a heat exchange body, a second circulating pump, a heat pump system, a resistance heater and a PTC heater. The battery pack is arranged in an inner cavity of the battery pack, the liquid cooling pipeline and the backflow pipeline are both located in the inner cavity of the battery pack and surround the battery pack, and a temperature sensor is arranged in the inner cavity of the battery pack; the liquid cooling pipeline and the backflow pipeline are provided with a plurality of branches, and each branch is provided with a temperature sensor. A three-way valve is arranged at one end of the liquid cooling pipeline and one end of the backflow pipeline; the liquid cooling pipeline is connected with the first circulating pump and penetrates through the heat exchange body to form a circulating loop with the expansion water tank, the heat exchange body is connected with the second circulating pump, the other end of the backflow pipeline is connected with the heat pump system, the other end of the heat pump system is connected with the PTC heater, and one end of the first circulating pump is connected with the resistance heater.
Owner:FUJIAN LIANYUE IND CO LTD

Methanol preheating and catalytic cracking system for methanol engine, ship and control method

The invention provides a methanol preheating and catalytic cracking system for a methanol engine, a ship and a control method, and belongs to the technical field of ship methanol engines. The problems that an existing methanol engine is difficult in cold start and methanol gasification are solved. The system comprises a methanol engine, a methanol storage tank, a water storage tank, a heat exchanger, an inlet temperature sensor and an outlet temperature sensor, one passage of a third three-way valve is connected with the waste gas output end of the methanol engine, the other passage of the third three-way valve is connected with another cooling water pipeline, and the methanol output end of the heat exchanger is connected with the methanol input end of the methanol engine. The methanol input end is connected with the methanol storage tank, a methanol pump is arranged on a methanol conveying pipeline between the methanol storage tank and the heat exchanger, two passages of the first three-way valve are arranged between the methanol conveying pipelines, and the inlet temperature sensor and the outlet temperature sensor are respectively arranged at a methanol inlet and a methanol outlet of the heat exchanger. The method is mainly used for starting the methanol engine.
Owner:HARBIN ENG UNIV

SBD device and preparation method thereof

The invention relates to the technical field of power radio frequency discrete devices, in particular to an SBD device and a preparation method thereof. The method comprises the following steps: providing a first substrate; forming a bonding middle layer with a corundum type crystal structure on the upper surface of the first substrate; providing a beta-Ga2O3 layer, wherein the beta-Ga2O3 layer is provided with a first surface and a second surface; carrying out ion implantation on the second surface of the beta-Ga2O3 layer; a beta-Ga2O3 layer is transferred to the bonding intermediate layer, so that the second surface of the beta-Ga2O3 layer is in contact with the upper surface of the bonding intermediate layer, and a heterogeneous integrated substrate is formed; forming an epitaxial layer on the upper surface of the heterogeneous integrated substrate; a partially-covered field plate passivation layer is formed on the upper surface of the epitaxial layer, the field plate passivation layer sequentially comprises a buffer layer and a passivation layer from bottom to top, and the field plate structure can effectively suppress a strong electric field at the edge of a device electrode. The SBD device provided by the invention has relatively high device performance and reliability.
Owner:XIAMEN UNIV OF TECH

Generator with excellent heat dissipation effect

The invention relates to the technical field of generators, and discloses a generator with an excellent heat dissipation effect, which comprises a shaft core, an inner core arranged outside the shaft core, a right half shell and a left half shell which are respectively arranged on the left side and the right side of a shell, and a heat absorption sleeve fixedly arranged outside the inner core, the stator is fixedly clamped between the right half shell and the left half shell, the stator is located outside the rotor and sleeved with the heat absorption sleeve, the inner hollow arc shell comprises an initial position and a set position, and when the inner hollow arc shell is located at the initial position, the inner hollow arc shell is parallel to the central axis of the shaft core. The temperature stability of the inner core is ensured by absorbing the local stability of the heat absorption sleeve, and when the temperature of the inner core is not uniform, the heat absorption sleeve is used for receiving, meanwhile, material aging caused by local overheating is prevented, the influence of thermal stress on the whole structure is reduced, the reliability and stability of equipment are improved, the service life of the equipment is prolonged, and high-performance operation of the equipment is kept.
Owner:ZHENGZHOU LONGHUA ELECTRICAL & MECHANICAL ENG CO LTD

High-thrust reversing gas turbine sliding thrust bearing with silver coating

The invention provides a high-thrust backing-up gas turbine sliding thrust bearing with a silver coating. The high-thrust backing-up gas turbine sliding thrust bearing comprises a shell, an oil supply isolating ring and tiles. An oil supply isolating ring is mounted on the shell; the tile blocks are mounted in the oil supply isolating ring; the tile block is provided with an inclined surface and can be rotationally adjusted around a fulcrum; the tile block pouring is made of lead bronze, and silver is plated on the surface of the lead bronze. The coating material of lead bronze and silver plating is adopted, the manufacturability of the coating material is improved, the working temperature of the sliding bearing is greatly increased, and the stability and firmness of the coating at the high temperature are guaranteed. The sliding bearing can realize forward and reverse rotation under the conditions of high temperature, high speed and large load, has very high stability and reliability, fills the blank of the design of the sliding bearing of the domestic high-power gas turbine capable of reversing, and provides a reference and a design thought for the design of the gas turbine with higher power in the future.
Owner:NO 703 RES INST OF CHINA SHIPBUILDING IND CORP

Babbitt metal thickened sliding thrust bearing for gas turbine capable of reversing

The invention provides a Babbitt metal thickened sliding thrust bearing for a gas turbine capable of reversing. The Babbitt metal thickened sliding thrust bearing comprises a shell, an oil supply isolating ring and a tile block, an oil supply isolating ring is mounted on the shell; the tile blocks are mounted in the oil supply isolating ring; the tile block is provided with an inclined surface and can be rotationally adjusted around a fulcrum; the tile coating is made of tin-based babbitt metal with a thickened coating of 5-10 mm. The sliding bearing can realize forward and reverse rotation under the conditions of high temperature, high speed and large load, has very high stability and reliability, fills the blank of the design of the sliding bearing of the domestic high-power gas turbine capable of reversing, and provides a reference and a design thought for the design of the gas turbine with higher power in the future.
Owner:NO 703 RES INST OF CHINA SHIPBUILDING IND CORP

Vertical motor mounting mechanism for coal mine well

The utility model relates to a vertical motor mounting mechanism for a coal mine well, which comprises a vertical motor and a mounting frame for fixing the vertical motor. The lower mounting plate is fixed on the coal mine equipment, the upper mounting plate and the heat dissipation cylinder are arranged above the lower mounting plate, the fixing bolt is used for fixing the vertical motor, the connecting rod is used for connecting the upper mounting plate and the lower mounting plate, a ventilation fan is arranged in the heat dissipation cylinder, and heat dissipation guide pipes are annularly and uniformly distributed below the heat dissipation cylinder; the vertical motor is fixed on the coal mine equipment through the mounting rack, airflow caused by rotation of the cooling fan is blown to the vertical motor for heat dissipation on one hand, and on the other hand, the airflow flows to drive the ventilation fan to rotate and drive the airflow to enter the heat dissipation guide pipe, and the airflow is discharged from the vent holes of the heat dissipation guide pipe and is blown to the vertical motor. And the vertical motor is further cooled, so that the working temperature of the vertical motor is prevented from being too high, and the use stability and safety of the vertical motor are improved.
Owner:ANYANG BOYUE ELECTRICAL EQUIP MFG CO LTD

Model 3D printer for cultural and creative product design

The invention is used for the technical field of 3D printers, and discloses a model 3D printer for cultural and creative product design, the model 3D printer comprises a base, a mounting frame is fixedly arranged at the upper end of the base, a transverse moving linear module and a lifting linear module are mounted at the upper end of the mounting frame, and a printing nozzle is fixedly mounted on the outer surface of the lifting linear module; a longitudinal moving linear module is installed on the outer surface of the base, a printing base plate is installed at the upper end of the longitudinal moving linear module, the printing base plate is slidably connected with the base, a demolding structure is arranged on the surface of the printing base plate, and deformation damage to a model in the demolding process is reduced in a mode of staged separation from the model; and the integrity of the model is ensured. According to the model 3D printer for cultural and creative product design, the mode that after product printing is completed, the supporting plate and the printing base plate are alternately separated from a product is adopted, so that the separating force borne by the product at a time can be reduced, and the product is not prone to deformation in the separating process.
Owner:JINLING INST OF TECH

Cross-linked polyethylene insulated cable and preparation method thereof

The present invention belongs to the technical field of polyethylene preparation, and specifically relates to a cross-linked polyethylene insulated cable and a preparation method thereof. The cross-linked polyethylene insulated cable is composed of material A and material B, and the weight ratio of material A to material B is 95:5; material A is composed of the following raw materials: modified linear low-density polyethylene, 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane, di-tert-butylperoxyisopropylbenzene, vinyl tri(2-methoxyethoxy)silane, 1,2-polybutadiene; material B is composed of the following raw materials: linear low-density polyethylene, dibutyltin dilaurate, and antioxidant. In the cross-linked polyethylene insulated cable of the present invention, material A interacts with material B, so that the finally prepared cross-linked polyethylene insulated cable has excellent mechanical properties, chemical stability, and heat aging resistance.
Owner:SHANDONG ZHONGTIAN CABLE TECH CO LTD

Self-adaptive fuzzy control method and system for improving braking energy recovery efficiency

The invention discloses a self-adaptive fuzzy control method and system for improving the braking energy recovery efficiency, and the method comprises the steps: controlling a motor to generate power and recover energy according to a braking force demand during braking; according to the motor temperature and the motor pull-back braking force, the fuzzy controller calculates the requirement for the refrigerating capacity of the motor of the electric vehicle; the heat management system dynamically adjusts the refrigerating capacity according to the requirement of the motor refrigerating capacity and maintains the optimal working temperature of the motor; and optimizing the thermal management system by using a particle swarm optimization algorithm. By coordinately controlling the motor power generation and heat management system, the energy recovery and heat management system can efficiently operate according to actual requirements.
Owner:ZHEJIANG UNIV OF TECH +1

Cutter cooling device and cigarette cutting system

The utility model provides a cutter cooling device and a cigarette cutting system. The cutter cooling device comprises an air source configured to provide compressed air; the refrigerating assembly comprises a vortex tube and a hot end adjusting mechanism, the vortex tube comprises an inlet nozzle, a cold port and a hot port, and the vortex tube receives compressed air from an air source through the inlet nozzle, outputs low-temperature cooling airflow through the cold port and outputs high-temperature hot airflow through the hot port; the hot end adjusting mechanism changes the flow of the hot airflow output by the hot port so as to change the temperature and flow of the cooling airflow output by the cold port. The cooling die head is communicated with the cold port to receive the cooling air flow, comprises a nozzle arranged opposite to the surface of the cutter, and is configured to spray the cooling air flow to the surface of the cutter; the temperature measuring element detects the working temperature of the surface of the cutter; and the temperature controller is in signal connection with the temperature measuring element and the hot end adjusting mechanism and controls the hot end adjusting mechanism to change the flow of the hot air flow output by the hot port according to the working temperature.
Owner:LONGYAN CIGARETTE FACTORY

Methanol heater

The methanol heater comprises a storage box, a conveying pipe and a heating cable, the front side of the storage box is communicated with a liquid conveying pipe, the left side of the liquid conveying pipe is communicated with a spiral spray head, and the spiral spray head and the liquid conveying pipe are matched with each other to form a methanol liquid atomization structure; the upper side and the lower side of the heating cable are each provided with an adjusting mechanism used for adjusting the screw pitch of the heating cable, and the adjusting mechanisms and the conveying pipe are matched with each other to form a structure for heating the conveying pipe. The purpose of more uniform thread adjustment of the heating cable is achieved, the function of preheating methanol is added, operation of workers is facilitated, the device runs more stably, the purpose of more uniform atomization and heating of methanol liquid is achieved, and the heating efficiency of the methanol liquid is improved.
Owner:ZHENGZHOU YUSENN AUTO TECH CO LTD

Liquid cooling over-charging terminal and cooling control system thereof

The invention discloses a liquid-cooling over-charging terminal and a cooling control system thereof.The liquid-cooling over-charging terminal comprises a liquid-cooling over-charging terminal shell, a liquid-cooling over-charging terminal door body is hinged to one side of the liquid-cooling over-charging terminal shell, a partition plate is arranged in the liquid-cooling over-charging terminal shell, and a control module is arranged in the liquid-cooling over-charging terminal shell; a switching power supply module is arranged at the position, below the control module, in the liquid cooling over-charging terminal shell, a gun line is arranged at an interface of the switching power supply module, and a liquid cooling charging gun is arranged at the end of the gun line; the heat insulation plates are designed in the cooling box, cooling liquid at different temperatures is separated, heat exchange is reduced, the respective temperatures are kept stable, in addition, the heat dissipation effect is further enhanced through the heat conduction design of the bottom of the cooling box and the extension part structure, through the design of the first forked cylinder and the second forked cylinder, accurate control over the flowing path of the cooling liquid is achieved, and the cooling effect is improved. And the flow and the direction of the cooling liquid can be adjusted according to actual requirements, so that more accurate temperature control is realized.
Owner:SHENZHEN SHENGYINGTONG TECHNOLOGY CO LTD

Special battery pack for train tail

The utility model relates to a special battery pack for a train tail, which comprises a box shell and a cover body capable of limiting and packaging a plurality of batteries, the box shell comprises an outer shell, an inner shell and an elastic support component, the inner shell is arranged in a shell cavity of the outer shell, and the elastic support component is arranged in the inner shell. The elastic supporting assembly is arranged between the inner shell and the outer shell to elastically support the inner shell in the outer shell; a heat absorption unit capable of absorbing and transferring heat in a shell cavity of the inner shell is embedded in the inner side wall and the inner bottom face of the inner shell, and a heat transfer pipeline capable of covering the heat release face of the heat absorption unit and transferring the heat absorbed by the heat absorption unit to the outside of the box shell is further arranged in the inner shell in a penetrating mode. The cover body is used for limiting the working position of the battery in the inner shell through an adjustable pressing assembly capable of adjusting the elastic strength and the pressing distance. According to the utility model, the impact of external vibration on the battery pack can be buffered while the discharge heat of the battery pack can be effectively transferred.
Owner:CHENGDU KUANGYUAN TONGDA TECH CO LTD

Encoder suitable for extreme temperature environment

The invention relates to the related technical field of encoders, and discloses an encoder suitable for an extreme temperature environment, which comprises a shell and an end cover hermetically connected to an opening of the shell, a through hole is formed in the center of the end cover, a first shaft sleeve is rotatably arranged in the through hole, the first shaft sleeve extends into the shell and is connected with a second shaft sleeve, and the end cover is provided with a first normal temperature cavity; a laser emitting part is arranged in the first normal-temperature cavity, a thermal insulation annular cylinder is arranged in an inner cavity of the shell and provided with an annular cavity, a transparent annular cover is arranged at an annular opening of the annular cavity in a sealed mode and divides the inner cavity of the shell into a temperature-resistant cavity and a second normal-temperature cavity, and the temperature-resistant cavity is located between the first normal-temperature cavity and the second normal-temperature cavity. When the device is switched to low temperature resistance, internal circulation is started, part of gas in the first normal temperature cavity passes through the air inlet, flows through the heating resistance wire and flows back into the negative pressure gap through the second air outlet, hot gas circulates in the first normal temperature cavity and the second normal temperature cavity in a reciprocating mode, and good working temperature is provided for electronic elements.
Owner:CHANGCHUN SATELLITE OBSERVATORY OF NAT ASTRONOMICAL OBSERVATORY OF CHINESE ACAD OF SCI

Photovoltaic panel surface dust deposition resistant coating and preparation method thereof

The invention discloses a photovoltaic panel surface dust deposition resistant coating and a preparation method thereof, and belongs to the technical field of new materials. The dust deposition resistant coating for the surface of the photovoltaic panel is prepared from the following raw materials in percentage by mass: 1 to 8 percent of FEP, 3.5 to 7.5 percent of nano indium tin oxide, 0.08 to 0.8 percent of a surfactant, 0.02 to 0.5 percent of FC-4 and the balance of a solvent. When the anti-dust deposition coating is applied (sprayed) to the surface of a photovoltaic panel, an FEP-nano indium tin oxide composite coating can be formed, and the coating can show lasting anti-pollution ability and is easy to clean. When the photovoltaic cell coated with the special coating is used in a dusty environment, compared with a photovoltaic cell without a coating or only with a traditional antireflection coating, the photovoltaic cell coated with the special coating has unique advantages.
Owner:NORTHEAST DIANLI UNIVERSITY

Mixed type plasma electric arc furnace

The electric furnace comprises a furnace body and a furnace cover arranged at the top, an electrode hole is formed in the center of the furnace cover, an ignition electrode is inserted into the electrode hole, a plurality of plasma combustion devices are arranged on the furnace cover, and the plasma combustion devices are evenly arranged along the circumference of the furnace cover. The ignition electrode is arranged in the center of the furnace cover, and the multiple plasma combustion devices are evenly arranged on the outer edge of the furnace cover to support combustion of garbage on the inner edge and the outer edge of the furnace body, so that the garbage incineration efficiency is improved, and garbage incineration is more sufficient. The plasma combustion device adopts a mode of bottom heat insulation and circumferential water cooling to ensure that the plasma generator is at a good working temperature.
Owner:HENAN QIMING ENVIRONMENT PROTECTION TECH CO LTD

Electrolyte suitable for low temperature, preparation method and lithium battery

The invention belongs to the technical field of electrolytes, and particularly relates to an electrolyte suitable for low temperature, a preparation method and a lithium battery, the electrolyte comprises a solvent, a lithium source, a film-forming additive and surface modified magnetic particles; according to the invention, the magnetic particles are added in the electrolyte, then the permanent magnet on the turntable rotates to form a variable magnetic field, due to the change of the magnetic field, the magnetic domains in the magnetic particles in the electrolyte in the battery pack can change along with the magnetic field, and due to the continuous change of the external magnetic field, the magnetic domains in the magnetic particles in the electrolyte in the battery pack can change along with the magnetic field. The magnetic particles are uniformly distributed in the battery pack, so that the electrolyte can be continuously and uniformly heated, and even if the temperature of the external environment is relatively low, the magnetic domains in the magnetic particles continuously move, the magnetic hysteresis loss phenomenon occurs in the movement process, and the temperature of the magnetic particles is further increased; and therefore, the low-temperature applicability of the electrolyte is improved.
Owner:DONGGUAN UPC IND & TRADE +2

Nozzle structure for circular heater

The utility model discloses a nozzle structure for a circular heater, which relates to the field of nozzles and comprises a nozzle body, the outer wall of the nozzle body is provided with a double-end circular heater and a thermocouple, and the left side and the right side of the outer wall of the nozzle body are symmetrically provided with shells. Mounting blocks are symmetrically and fixedly connected to the front faces and the back faces of the tops and the bottoms of the two shells, connecting rods are symmetrically and movably connected to the front faces and the back faces of the tops and the bottoms of the opposite sides of the two shells, and springs are wound around the outer walls of the connecting rods. According to the nozzle structure for the circular heater, the double-end circular heater and the nozzle body of the thermocouple are installed on the outer wall of the nozzle body, the heat utilization rate is high, the heat transfer speed is more direct and faster, the space of a mold can be saved, and when the mold is manufactured, if the space of the mold is limited, the mold can be conveniently replaced. And the nozzle body is arranged, so that a common nozzle structure can be replaced.
Owner:SHENZHEN BOHUI HOT RUNNER TECH CO LTD

Method, device and equipment for measuring maximum power and maximum current of air conditioner

The invention provides a method, device and equipment for measuring the maximum power and the maximum current of an air conditioner, and is applied to the field of air conditioner control. The method comprises the steps that corresponding control instructions are sent to a to-be-measured air conditioner and a working condition machine, and measurement data of the to-be-measured air conditioner are obtained; the measurement data comprises operation power and operation current of the to-be-measured air conditioner under different working condition temperatures and different input voltages; the maximum operation power and the maximum operation current as well as the working condition temperature and the input voltage corresponding to the maximum operation power and the maximum operation current are screened out from the measurement data. According to the method and device for measuring the maximum power and the maximum current of the air conditioner and the measuring equipment, the input voltage and the working condition temperature are automatically adjusted through the measuring equipment, system stability is judged, data parameters are recorded, and the measuring efficiency and the measuring accuracy are greatly improved.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +3

Solder strip, photovoltaic module and photovoltaic system

The invention provides a solder strip, a photovoltaic module and a photovoltaic system, the solder strip comprises a light receiving section and a backlight section, and the light receiving section is used for being fixed on a light receiving surface of a first battery piece; the backlight section is used for being fixed to the backlight face of the second battery piece and comprises a plurality of sub welding strips. One backlight section corresponds to one light receiving section, and the plurality of sub welding strips in one backlight section are connected to one end of the corresponding light receiving section. In a battery string formed by connecting the solder strips in series, the number of light receiving sections of the battery string is relatively small, front shading of the battery piece can be reduced, the front light incidence rate can be improved, meanwhile, the number of the sub-solder strips on the back face of the battery piece is relatively large, current shared by each sub-solder strip is reduced, the current density is reduced, and therefore resistance loss is reduced, and the service life of the battery piece is prolonged. And the output power of the battery string is improved. Besides, the less the current shared by each sub-welding strip is, the less the generated heat is, the heat accumulation and the working temperature of the battery piece are reduced, and the service life of the battery piece is prolonged.
Owner:TRINA SOLAR CO LTD

Spinning and oiling device for processing colored velvet cotton polyester DTY (Draw Textured Yarn)

The utility model discloses a spinning and oiling device for processing colored velvet cotton polyester DTY, and particularly relates to the field of spinning and oiling equipment.The spinning and oiling device comprises a shell, a feeding port, a discharging port and an oiling mechanism, the feeding port is formed in one side of the shell, the discharging port is formed in the side, away from the feeding port, of the shell, the oiling mechanism is arranged in an inner cavity of the shell, and the oiling mechanism is arranged in the inner cavity of the shell. An oil filling opening is formed in the side end face of the shell, a communicating component cylinder is arranged below the discharging opening, the oiling mechanism comprises an oil pool and roller sets, the oil pool is installed on the bottom end face of an inner cavity of the shell, the roller sets are arranged on the inner side and the upper portion of the oil pool, and each roller set is composed of a plurality of sets of rollers. The DTY silk yarn is fully soaked in the oil pool, then the DTY silk yarn is heated through heat generated by the hot warm lamp, the DTY silk yarn fully absorbs oil, the DTY silk yarn can be evenly smeared with the oil, redundant oil can be brushed out through the oil brushing cover subsequently, it is avoided that excessive oil is accumulated on the winding roller, and waste of resources is avoided.
Owner:HANGZHOU YONGXING CHEM FIBER CO LTD

An adaptive constant current control method and system for a DC-DC converter power supply

The application relates to the technical field of power supply circuits, and particularly discloses a self-adaptive constant-current control method and system for a DC-DC direct-current conversion power supply, wherein the output voltage is acquired in real time and compared with a plurality of preset voltage thresholds, the interval where the output voltage is located is identified, the input current constant-current given value is reduced according to a first step value in response to the output voltage rising in the voltage limiting zone, the input current constant-current given value is reduced according to a second step value in response to the output voltage rising in the current sharing zone, and the first step value is greater than the second step value, so that the voltage overshoot caused by load shedding is quickly inhibited, the stable control of the output voltage is brought, the dynamic response capability of the system is improved, and the risk of damage of power devices due to overvoltage is reduced.
Owner:SICHUAN INJET ELECTRIC CO LTD

Liquid hydrogen self-pressurizing vaporizer, hydrogenation system and hydrogenation process

The invention discloses a liquid hydrogen self-pressurizing vaporizer, a hydrogenation system and a hydrogenation process. The liquid hydrogen self-pressurizing vaporizer comprises a vaporizer body, a liquid hydrogen pipe connected to the vaporizer body, a gas hydrogen pipe, a safety valve and a pressure sensor; the hydrogenation system comprises a liquid hydrogen storage tank, the liquid hydrogen self-pressurizing vaporizer, an ejector and a gas hydrogenation machine; the vaporizer of the invention has a simple structure, reduces the risk of insufficient strength under low temperature and high pressure due to too many openings of the equipment, and has a cut-off valve on its pipeline, which can realize constant volume endothermic expansion and higher heat exchange efficiency; in addition, the hydrogenation system of the invention is convenient to utilize the self-pressure of the liquid hydrogen storage tank to transport liquid hydrogen due to the ejector, solves the problem that the liquid hydrogen storage tank cannot withstand excessively high pressure and is difficult to directly inject hydrogen into the high-pressure vaporizer, and can reduce the energy consumption of the hydrogenation process to zero energy consumption.
Owner:CHINA ENERGY INVESTMENT CORP LTD +1

Safe frying and baking machine

The safe frying and baking machine comprises a baking tray assembly, the baking tray assembly comprises a base and a baking tray detachably installed on the base, the baking tray is provided with a first coupler, a heating pipe is arranged on the side, facing the base, of the baking tray, the heating pipe is connected with the first coupler, the baking tray comprises a baking tray body and a first peripheral wall arranged on the peripheral edge of the baking tray body, and the first peripheral wall is connected with the first coupler. The heating pipe is arranged on the baking tray body, a mounting cavity is formed in the first circumferential wall, and the first coupler is mounted in the mounting cavity and located on the outer side of the heating pipe; the base is provided with a second coupler, the circumferential edge of the base is provided with a second circumferential wall, the second coupler is arranged on the second circumferential wall, and the first coupler corresponds to the second coupler in position and is matched with the second coupler in an inserted mode. The first coupler is arranged at the edge of the baking tray and located on the outer side of the heating pipe, the first coupler can be prevented from being affected by high temperature of the heating pipe when the frying and baking machine works, electric components in the first coupler can be prevented from being damaged by the high temperature, and the service life of the frying and baking machine can be prolonged.
Owner:JOYOUNG CO LTD

Ultra-light high-strength high-temperature-resistant data bus

An ultra-light high-strength high-temperature-resistant data bus belongs to the technical field of data cables, and is characterized in that two ultra-light high-temperature-resistant data lines, two ultra-light high-strength filling cores and four high-temperature-resistant light filling cores form a cable core; a polytetrafluoroethylene micropore inner protective layer, a polyimide aluminum composite film inner shielding layer, a silver-plated copper-clad aluminum alloy braided outer shielding layer and a polytetrafluoroethylene raw material belt outer sheath are sequentially arranged outside the cable core; the specific structure of the cable core is that an ultra-light high-strength filling core is arranged between the two ultra-light high-temperature-resistant data lines, and a high-temperature-resistant light filling core is arranged between the two ultra-light high-temperature-resistant data lines and the two ultra-light high-strength filling cores. The conductors and insulating materials of the ultra-light high-temperature-resistant data line are high-temperature-resistant materials, and the data line can be used for a long time at the temperature of 250 DEG C.
Owner:TIANJIN 609 CABLE CO LTD

Intelligent molded case circuit breaker

The utility model relates to the technical field of low-voltage electrics, and discloses an intelligent molded case circuit breaker which comprises a circuit breaker body, a connecting block is fixedly connected to one side of the circuit breaker body, a wire is fixedly connected to one side, away from the circuit breaker body, of the connecting block, and an alarm is fixedly connected to one end, away from the connecting block, of the wire. One side of the circuit breaker body is fixedly connected with an intelligent module, one side of the circuit breaker body is provided with a plurality of heat dissipation grooves, one side of the circuit breaker body is fixedly connected with a supporting plate, a support is fixedly connected in the supporting plate, and one side of the support is fixedly connected with a fan. According to the intelligent molded case circuit breaker, through the arrangement of the heat dissipation groove and the fan, the intelligent module is actively cooled, so that the intelligent module is kept at a good working temperature, the intelligent module is more accurately judged, and an operator is accurately reminded through the alarm, so that the operator can accurately judge.
Owner:SHANG HAI HUA RONG TIAN CHEN XIN XI KE JI YOU XIAN GONG SI