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82results about How to "Running well" patented technology

Variable speed wind turbine generator frequency control method based on dynamic standby power

The invention provides a variable speed wind turbine generator frequency control method based on dynamic standby power. The method comprises the following steps that I, a frequency modulation operation strategy of a variable speed wind turbine generator is determined according to operation conditions of the variable speed wind turbine generator; II, whether the variable speed wind turbine generator participates in system frequency modulation or not is judged; III, whether the rotating speed of the wind turbine generator is out of limit or not is judged; IV, an active frequency control module is activated, and an active power set value of the wind turbine generator is modified; V, control over the system frequency is achieved. The variable speed wind turbine generator frequency control method based on dynamic standby power can achieve frequency modulation capability of the wind turbine generator in a full wind speed region, when participating in the system frequency modulation to provide active support, the wind turbine generator is not affected by the operation conditions, and therefore electric system frequency stability is improved.
Owner:STATE GRID CORP OF CHINA +3

Method for controlling the operation of high-voltage bypass in thermal generator set

The invention relates to a method for controlling the operation of a high-voltage bypass in a thermal generator set, which is characterized in that operational modes of the high-voltage bypass are divided into the following four modes according to the operational states of the thermal generator set: a set starting mode, a set normal operation tracking mode, a mode of shutdown without blowing-out and a blowing-out mode, wherein the set starting mode is divided into three stages according to different operational requirements of a boiler: a first set starting mode, a second set starting mode and a third set starting mode. By using the method, the opening / closing of a high-voltage bypass valve and the opening of a valve position can be controlled according to different operational stages of the set, so that main recovery pressure of the boiler is ensured to ascend smoothly, operate stably and descend smoothly; and simultaneously, the boiler can also be controlled to improve the recovery temperature quickly, so that the recovery temperature is matched with the metal temperature of a gas turbine cylinder quickly and adapt to a combined mode of fixed pressure operation and sliding pressure operation of the set, so that the starting time of the set is shortened, steam exhausting towards air is reduced, the life loss of the steam turbine is reduced, and the optimal starting of the set is realized.
Owner:CHINA SHENHUA ENERGY CO LTD +2

Test system suitable for air-cooled hydrogen fuel cell

The invention discloses a test system suitable for air-cooled hydrogen fuel cell. The system comprises a hydrogen supply unit, an air supply unit, a heat dissipation unit, an electric energy output unit and an automatic detection and control unit; the hydrogen supply unit and the air supply unit are connected with the fuel cell stack of the hydrogen fuel cell; the hydrogen supply unit supplies hydrogen to the fuel cell stack, and the air supply unit supplies air to the fuel cell stack; the heat dissipation unit is arranged close to the fuel cell stack, and employs a fan to perform heat dissipation for the fuel cell stack; the electric energy output unit comprises a power module and an electronic load and is configured to output electricity generated by the fuel cell stack; the automatic detection and control unit comprises an upper computer and a sensor set, the upper computer performs detection and control for the set parameters in the test system. The test system suitable for air-cooled hydrogen fuel cell can test the running conditions of the air-cooled hydrogen fuel cell power generation system under different test conditions, so that the optimal running condition is obtained.
Owner:向得夫

Water flooding detection method and device for water storage equipment and dehumidifier

The invention discloses a water flooding detection method for water storage equipment. The water flooding detection method comprises the following steps: in the running process of electronic equipment where the water storage equipment is arranged, acquiring the weight m of the water storage equipment or water in the water storage equipment and the running time of the electronic equipment; when the acquired weight m is more than or equal to a preset weight threshold value and the running time is more than or equal to a preset time, judging that the water storage equipment is full of water; and when the acquired weight m is smaller than the preset weight threshold or the running time is smaller than the preset time, judging that the water storage equipment is not full of water. The invention also discloses a water flooding detection device for the water storage equipment and a dehumidifier. Misreports of water flooding detection are reduced, so that the detection accuracy is improved and the electronic equipment can work better.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Device for on-line adaptation of motor for automatic operation at optimum efficiency

The invention relates to a device for on-line adaptation of a motor for automatic operation at the optimum efficiency, which comprises a three-phase supply and a central processing unit (CPU), wherein the three-phase supply supplies power for the motor and is connected with the motor after sequentially passing through an input voltage transformer, a thyristor, an output voltage transformer and a current transformer; and the CPU is respectively connected with the input voltage transformer, the thyristor, the output voltage transformer and the current transformer through an input voltage detecting circuit, a regulating circuit, an output voltage detecting circuit and an output current detecting circuit. The device figures out a real-time power factor and a load rate through continuously detecting various parameters of the motor, then the device compares the real-time power factor and the load rate with the rated power factor and the rated load rate of the motor, and voltage regulating control signals conduct phase control regulation for the thyristor through the regulating circuit, so that the motor operates in a speed close to the rated speed, the power factor is also close to the rated power factor, the motor is automatically adapted to operating at the optimum efficiency, and energy-saving operation is achieved.
Owner:HUNAN GUXUN ENERGY SAVING TECH

A computer for software development that dissipates heat quickly

The invention discloses a computer for software development that dissipates heat quickly, and belongs to a software development field. The computer for software development that dissipates heat quickly, includes the casing, two partitions are arranged inside the casing, The top and the bottom of the two partitions are fixedly connected with the inner top wall and the inner wall of the casing respectively, the two partitions are provided with penetration openings, the opposite sides of the two partitions are fixedly connected with support plates, the support plates are positioned below the penetration openings, and the bottom of the support plates is provided with telescopic pushing devices. Through the telescopic device, the combination of the pushing lever and the movable lever, The T-plug is effectively separated from the heat dissipation hole, the air flow inside the casing is increased, the heat dissipation efficiency is improved, and the heat dissipation fan is driven to rotate byelectrifying the motor through the cooperation of the driving gear, the bearing, the rotating rod and the conveyor belt, thereby further accelerating the heat dissipation of the computer and effectively prolonging the service life of the computer.
Owner:池州市普丰科技服务有限公司

Oil cooling type diesel engine

The invention relates to an oil cooling type diesel engine. The oil cooling type diesel engine comprises an engine body, a cylinder sleeve and a cylinder head. The engine body is provided with an oil storing cavity. The periphery of the cylinder sleeve is provided with an oil cooling sleeve. A cooling oil passage way A and a cooling oil pump are arranged between the outlet end of the oil storing cavity and the inlet end of the oil cooling sleeve. The cylinder head is provided with a cooling oil passage way B. The inlet end of the cooling oil passage way B is connected with the outlet end of the oil cooling sleeve. The outlet end of the cooling oil passage way B is connected with the inlet end of an external oil pipe. The outlet end of the oil pipe is connected with the inlet end of the oil storing cavity. The purpose of the oil cooling type diesel engine is to provide an oil cooling type diesel engine with the simple structure and good cooling effect. The oil cooling type diesel engine has the advantages that first, due to the fact that a cooling system and a lubricating system share one oil storing cavity, the structure of the diesel engine is simplified, the manufacturing cost is lowered, and the cooling effect is improved; second, by arranging an oil cooler on the oil pipe, the cooling of heated cooling liquid is accelerated, and the optimal-state operation of the whole cooling system is guaranteed.
Owner:FUZHOU HAILIN POWER

High-specific-radioactivity radioactive wastewater negative pressure evaporation concentration treatment system and method thereof

ActiveCN107170504AReduce risk of leakageReduce the risk of external radiation exposureRadioactive decontaminationCooling towerWater vapor
Provided are a high-specific-radioactivity radioactive wastewater negative pressure evaporation concentration treatment system and a method thereof. In the system, raw water in a wastewater raw water tank is pumped into a negative pressure evaporation tower, water vapor formed by evaporation enters a primary cooling tower and a secondary cooling tower in sequence through defogging by a first defogging tower, cooled condensate water is pumped into a condensate water temporary storage tank, a vacuum pump vacuumizes from the secondary cooling tower, concentrated liquid on the bottom of the negative pressure evaporation tower is pumped into a concentrated wastewater tank, and then is pumped to a negative pressure dryer. Dried solid residues are to be prepared and disposed. Water vapor on the outlet of the negative pressure dryer enters a second defogging tower, after defogging, the water vapor enters the primary cooling tower. The system is simple in structure, rational in technological processes, safe and controllable in treatment process, and conveniently realizes remote control and automatic operation. The system and the method has good application prospect.
Owner:绵阳科大久创科技有限公司

Object-oriented computer modeling method based on crane boom

The invention discloses an object-oriented computer modeling method based on a crane boom. The object-oriented computer modeling method includes the following steps: firstly, partitioning unit modules off to acquire size, material, section and structural feature, encapsulating by an object-oriented method and creating various classes; secondly, acquiring modeling data of a crane boom structure and creating a material object, a structural steel section object and a component object; thirdly, acquiring crane-boom-type data, forming a crane boom system and storing parameters in a database; fourthly, entering the crane-boom-type data into a finite element module to create a finite element model of the crane boom system for analyzing, calculating and sending out analysis results; fifthly, extracting the data of the results according to the requirements of users and sending the data of the results, such as lists, graphs and animations to analysis report files; sixthly, finishing and releasing space. The object-oriented computer modeling method has the advantages of being strong in object-oriented modeling capacity, complete in data check function, and good in compatibility and portability.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Full-automatic unpacking machine

The invention discloses a full-automatic unpacking machine which comprises a bag feeding bin door and a support. A dust removal fan is arranged on one side of the bag feeding bin door. A pulse reverseblowing mechanism is arranged on one side of the dust removal fan. A filter element is arranged at the bottom of the dust removal fan. A packaging bag crushing mechanism is arranged at the bottom ofthe bag feeding bin door. A screening and separating mechanism is arranged at the bottom of the filter element. A temporary storage bin is arranged at the bottom of the screening and separating mechanism. A waste bag collection device is arranged on one side of the temporary storage bin. A discharging opening is formed in the bottom of the temporary storage bin. A bag feed mechanism is arranged onone side of the bag feeding bin door, and the support is arranged at the bottom of the bag feed mechanism. The dust removal fan, the packaging bag crushing mechanism, the screening and separating mechanism and a drive device of the waste bag collection device are all electrically connected with an electrical control cabinet. According to the full-automatic unpacking machine, the advanced PLC control technology is adopted, the whole unpacking process achieves unmanned operation, the manual labor intensity is reduced, and the influence of dust on the human body health is avoided.
Owner:上海千鸟机械设备有限公司

Intellectual property platform

The invention discloses an intellectual property platform, comprising a link terminal, a main server and a client side. The main server is provided with a cloud storage module. The link terminal and the main server establish unidirectional data communication. The cloud storage module records the identity information of buyers and sellers, the intellectual property literature of the sellers and intellectual property state information. The client side comprises a register and login module, an intellectual property classification module, an intellectual property state module, a communication module, and a handset pushing module, wherein the register and login module, the intellectual property classification module, the intellectual property state module, and the handset pushing module separately establish bidirectional data communication with the cloud storage module; the communication module establishes data communication with a third party chatting tool; the handset pushing module and a handset establish data communication. The intellectual property platform is simple and practical, and promotes intellectual property transaction development.
Owner:安庆市扬智信息科技有限公司

Bluetooth precisely controlled pressure stabilizing output oxygenerator

InactiveCN105110298AIntake pressure is stable and reliableRun fastOxygen preparationMolecular sieveComputer module
The invention provides a Bluetooth precisely controlled pressure stabilizing output oxygenerator which comprises a structural assembly, a detection assembly and a control module, wherein the structural assembly comprises a primary filter, a compressor, a molecular sieve, a secondary filter, a flowmeter and an oxygen outlet which are sequentially connected by virtue of a pipeline; the control module at least comprises a central control adjusting module and an automatic compensating module which are connected with each other through a circuit; the detection assembly comprises a pressure sensor, a temperature sensor and a humidity sensor which are parallely connected to the automatic compensating module through a circuit. The oxygenerator provided by the invention not only is simple and efficient in control process, but also ensures coordination and unification well of all parts, so that equipment malfunctions caused by disharmony of work of the parts. The oxygenerator as a whole can operate well, thereby providing a reliable guarantee for final good user experience.
Owner:GUIYANG HUOXINGYUAN ENVIRONMENTAL PROTECTION IND CO LTD

Stirring device for plastic production

The invention relates to the technical field of plastic production equipment, in particular to a stirring device for plastic production. The stirring device comprises a cylindrical body, wherein a stirring shaft is arranged in the cylindrical body, and connected with a stirring motor through a planet gear; the planet gear comprises a gear ring, a sun gear, a planet gear body and a planet support; the gear ring is fixedly connected with the cylindrical body; the stirring motor is used for driving the sun gear; the sun gear drives the planet support through the planet gear body; the stirring shaft comprises a screw shaft and a sleeve shaft; the screw shaft is coaxially arranged at the sun gear; the sleeve shaft coaxially sleeves the screw shaft, and is connected with the planet support; a guiding long hole is axially formed in the side wall of the sleeve shaft; a blade seat is in threaded connection with the screw shaft; a blade mounting rod which extends out of the guiding long hole is arranged on the side wall of the blade seat; and blades are arranged on the blade mounting rod. By adoption of the stirring device provided by the invention, raw materials for plastic production can be mixed and stirred relatively well.
Owner:南京利佳塑料发展有限公司

Discharge gate mechanism

The invention relates to a discharge gate mechanism. The mechanism comprises a discharge gate which rests against a discharge hopper port inside a discharge bin, a coupler, an L-shaped connecting lever, an axial supporting device of the L-shaped connecting lever, a drive unit of the L-shaped connecting lever and a sealing member for sealing a connecting part of the parts; the coupler consists of a pin boss and a pin inserted into the same, and is externally provided with a matching sealing rubber sleeve; one arm of the L-shaped connecting lever is connected with the discharge gate by the coupler, and the other arm is provided with a stepped section which hermetically passes through a discharge bin shell and is connected with the drive unit, and the stepped section is sequentially sheathed with a sealing rubber cup, a supporting casing and a retaining ring of the axial supporting device; the sealing rubber cup, the supporting casing and the retaining ring are arranged inside a supporting sleeve, one end of the supporting sleeve is fixedly arranged outside the discharge bin shell, and the other end of the supporting sleeve is fixedly connected with the drive unit; and a sealing ring is arranged between the supporting casing and the supporting sleeve. The discharge gate mechanism has the advantages of good tightness, convenient opening and closing and easy assembly and disassembly for cleaning.
Owner:BEIJING GOLDENTEAM TECH

Two-wheel drive distributed hub driving pure electric vehicle temperature adjusting and controlling system

The invention discloses a two-wheel drive distributed hub driving pure electric vehicle temperature adjusting and controlling system. The system is mainly composed of an oil tank, an oil pump, hub motors, wheels, a storage battery, a heater, a radiator, a fan, temperature sensors, a controller, a coarse strainer, a fine strainer, four-way valves, two-way valves and the like. The system receives temperature signals fed back by all the temperature sensors through the controller, and an instruction is sent to control the oil pump, the heater and the radiating fan to be started or stopped as well as control opening and closing of openings of all valve bodies, so that under different working conditions, different circulation accesses are connected to enable cooling oil to flow in the corresponding accesses. The two-wheel drive distributed hub driving pure electric vehicle temperature adjusting and controlling system can achieve integrated cooling and heat dissipation of the storage battery and the hub motors and can also heat the storage battery during low-temperature starting, thus, the storage battery can work with the optimal temperature range as far as possible, the working performance of the storage battery is achieved better, and the service life of the storage battery is prolonged.
Owner:SHANDONG UNIV OF TECH

Radiology adjustable image viewing device

The invention discloses a radiology adjustable image viewing device. The structure of the device includes a supporting rod, a movable rod, a supporting bar, an illuminating lamp, a handle, a control box, a fixing base, a control panel, an elevating control button, a rotation control button, a power on button, and moving wheels. The control box consists of an elevating mechanism, a rotation mechanism, a control box chamber, a heat dissipation driving mechanism, a heat dissipation mechanism, a driving mechanism, a drop auxiliary transmission mechanism, and a lever driving mechanism. The supporting rod can be driven to elevate and rotate at the same time through the arranged elevating mechanism, rotation mechanism and heat dissipation mechanism, and so the angle of the image viewing device can be effectively adjusted. Elevating and rotation are combined with each other, and so the adjustment of the angle is flexible, which facilitates doctors to better observe a radiological image and carry out diagnosis and treatment.
Owner:TIANJIN BAODI HOSPITAL

Big data-based intelligent monitoring and analyzing system for power transformation equipment

PendingCN110932405ARealize global monitoringRealize fault prediction and diagnosisCircuit arrangementsInformation technology support systemData acquisitionTerminal system
The invention belongs to the technical field of intelligent operation and maintenance management of the Internet of Things, and particularly relates to a big data-based intelligent monitoring and analyzing system for power transformation equipment, which comprises a central monitoring system and a terminal system, the central monitoring system is mainly used for completing multi-source data accessand storage, providing an analysis process rapid construction function and calling the packaged analysis algorithm service to carry out multi-dimensional and multi-scale correlation analysis on the data; meanwhile, functions of global monitoring, remote maintenance, power supply management and control, safety control, fault analysis and prediction are provided through the service subsystem; and the terminal system is mainly responsible for performing encryption, data retransmission control and data source interface adaptation on local data of the transformer substation, and sending the data to the data acquisition server through two access modes of VPN wired and GPRS wireless. The invention is high in operation and maintenance efficiency, can effectively improve the operation and maintenance management level of the State Grid Corporation of China, reduces the operation and maintenance cost, and can achieve the global monitoring and fault prediction and diagnosis of various types of electrical equipment.
Owner:沈阳博来德滋电子科技有限公司

Method of achieving satellite serial port communication

The invention discloses a method of achieving satellite serial port communication which includes the following steps: an upper computer sends control command, and a conversion chip converts differential signals into serial signals; a serial port receiving procedure achieved in a field programmable gata array (FPGA) chip of an anti-fuse site receives and decodes the serial signals; a digital signal processor (DSP) chip after data processing sends back working status information of a control moment gyro to the FPGA chip; reading back command of the DSP chip, sending the encoded back command according to serial data frame format bitwise, converting the back command into two routes of differential signals to be sent to the upper computer by the differential signal conversion chip, and achieving communication of the upper computer and the control moment gyro. The method of achieving the satellite serial port communication has the advantages of being capable of effectively achieving the communication of the upper computer and the control moment gyro, improving communication accuracy, speed and reliability, reducing size and weight, adjusting satellite attitude in real time and ensuring ordinary operation of the satellite.
Owner:上海航天控制工程研究所

Conveyor belt box stacking device and stacking method

The invention relates to a conveyor belt stacking device. The device comprises a frame fixedly arranged above a conveyor belt, four driving gears are mounted on four corners of the frame, the four driving gears are provided with circular chains, the chains form a rectangle, two push rods are symmetrically installed between the chains of the two sides, the distance between the two push rods on thecircular chains is equal, the stacking device further comprises a lifting device disposed on the conveyor belt, the lifting device is located blow a stopped back box body, the lifting device comprisesa lifting cylinder arranged below the conveyor belt, an unpowered movable roller table is arranged above the lifting cylinder, and the movable roller table is arranged in an opening in the middle ofthe conveyor belt; a small frame is also mounted on the frame. A box stacking system, the conveyor belt box stacking device and the stacking method can automatically stack the boxes of which the fronts and the backs are adjacent to each other upward and downward.
Owner:宜宾综合保税区供应链管理有限公司

Method and product for greatly changing rigidity of conical spring

The invention discloses a method and a product for greatly changing rigidity of a conical spring. The product comprises an inner cone, a rubber body and an outer cone, wherein the rubber body surrounds the inner cone; the outer cone surrounds the rubber body; the rubber body, the inner cone and the outer cone form a conical rubber metal spring together; the lower end surface of the rubber body is respectively connected with the inner cone and the outer cone of the conical spring; the rubber body is in the trend of gradually rising from the part being connected with the inner cone to the part being connected with the outer cone. The product is characterized in that a boss protrudes outwards from the bottom of the inner cone, and after the rubber body moves down until the lower end surface of the rubber body is propped against the boss, the boss protruding outwards from the bottom of the inner cone and the inner side of the outer cone are in double restraint coordination to generate great variable rigidity. Through the change of the shape, the slope and the length of each section of the boss as well as the number of sections, the rigidity change magnitude and the rigidity change position of the conical spring are adjusted, and the adjustment of repeatedly changing the rigidity is realized through the control of the number of sections.
Owner:ZHUZHOU TIMES RUIWEI ANTI VIBERATION EQUIP LTD

Method for simultaneously identifying load and mutual inductance of multi-load wireless power transmission system

The invention discloses a method for simultaneously identifying loads and mutual inductance of a multi-load wireless power transmission system, which comprises the following steps of: firstly, enabling a multi-load system to be equivalent to single-load systems with different working time sequences through a time division multiplexing method; voltage overshoot and instable voltage occurring in a time division operation identification algorithm are prevented through double filter capacitors and bus voltage adjustment; and then introducing a particle swarm algorithm, establishing a system steady-state circuit model, establishing a fitness function through a difference value between a sampling output voltage and a prediction output voltage, converting a parameter identification problem into an algorithm optimization problem, and carrying out optimal solution search on a to-be-identified parameter to replace a traditional calculation method, so that errors generated by a traditional equation are avoided. According to the method, only input and output voltages need to be sampled, the communication data volume is reduced, the circuit complexity is reduced, and the system size is reduced. According to the method, the load and mutual inductance of the multi-load wireless charging system can be identified in real time, and the working range of the wireless charging system is expanded.
Owner:QUANZHOU INST OF EQUIP MFG

Sleeve equipment for preventing short pile from being frozen and pulled out in frozen earth area and using method

The invention discloses sleeve equipment for preventing a short pile from being frozen and pulled out in a frozen earth area and a using method. The sleeve equipment comprises a sleeve arranged outside a precast pile in a sleeving mode; the inner wall of the sleeve is coated with a bonding layer; a filling layer is arranged on the bonding layer; the outer wall of the sleeve is coated with a lubricating layer; and the inner wall of the upper end of the sleeve is further connected with a sealing rubber ring. The sleeve is a PE pipe. The bonding layer is a bonding glue sprayed on an inner wall. The filling layer is made of wood chips. The lubricating layer is a hydrophobic lubricating glue. A tangential frost heaving force generated by frost heaving of thick-layer seasonal frozen soil is transferred to the sleeve, and the sleeve is used for bearing a frost cutting force and preventing the frost cutting force from acting on a pile body, so that the precast pile is prevented from being affected by the frost pulling effect. Therefore, the length of the precast pile can be shortened, and the construction cost is saved.
Owner:POWERCHINA XIBEI ENG

Multi-module intellectual property network transaction platform

The invention discloses a multi-module intellectual property network transaction platform, comprising a link terminal, a main server and a client side. The main server is provided with a cloud storage module. The link terminal and the main server establish unidirectional data communication. The cloud storage module records the identity information of buyers and sellers, the intellectual property literature of the sellers, intellectual property state information, intellectual property policy information and buying Information. The client side comprises a register and login module, an intellectual property state module, a communication module, an intellectual property policy module, a handset pushing module and a buying information module, wherein the register and login module, the intellectual property state module, the intellectual property policy module, the handset pushing module and the buying information module separately establish bidirectional data communication with the cloud storage module; the communication module establishes data communication with a third party chatting tool; the handset pushing module and a handset establish data communication. The multi-module intellectual property network transaction platform is simple and practical, and promotes intellectual property transaction development.
Owner:安庆市扬智信息科技有限公司

Wiper blade with jet separator

The invention concerns a wiper blade (15) for a glazed panel comprising a flexible strip (17) and a system for spraying washing liquid, comprising a spray port (23) for spraying washing liquid, and a separator comprising first (21) and second (22) guide means, said spray port (23) being oriented so as to spray the washing liquid towards the separator, said guide means (21, 22) being disposed such that the sprayed washing liquid spreads over a concave portion formed by the strip (17) when the blade (15) is in an idle position, the first (21) and the second (22) means for guiding washing liquid being oriented respectively towards a first end and a second end of the blade (15).
Owner:PEZHO SITROEN AUTOMOBILS SA

Peanut harvesting device capable of grasping and loosening through meshing of gears

InactiveCN103518465ARunning wellAvoid blind closureDigger harvestersEngineeringIdler-wheel
The invention provides a peanut harvesting device capable of grasping and loosening through meshing of gears. The peanut harvesting device comprises a grasping part assembly, a pair of rotation arm assemblies and a gear assembly. The grasping part assembly comprises a pair of grasping parts (1), a flexible limiting belt (5) and a V-shaped spring (7). The rotation arm assemblies comprise rotation wheels (8), rotation arms (4) and idler wheels (3). The idler wheels (3) can be matched with a curve portion of the grasping part assembly in a rolling mode. The gear assembly comprises a pair of gears (2) which share the same number of teeth and are mutually meshed. The pair of gears is fixedly connected with the rotation wheels (8) of the pair of rotation arm assemblies.
Owner:刘天堂

Electric vehicle battery thermal management system employing porous material

The invention discloses an electric vehicle battery thermal management system employing a porous material. The electric vehicle battery thermal management system comprises a power battery pack battery box and an air processing system, wherein the power battery pack battery box comprises a battery box body and battery units, the battery units are arranged in the battery box body an in array way, the air processing system is a hot pump type refrigerating system, comprises an indoor machine part and an outdoor machine part and is used for purifying, cooling / heating circulation air, at least one porous material plate is arranged in the battery box body and is arranged along a radial direction of the battery units, opening holes are formed in the porous material plate and are larger than the sizes of end surfaces of the battery units, the battery units are inserted into the opening holes of the porous material plate, and contact parts of the battery units and the porous material plates are filled with thermal conductive plastic. By the electric vehicle battery thermal management system, a power battery pack can be enabled to run within an optimal temperature range, a huge impact force generated by accident collision of an electric vehicle can be effectively reduced, and the working efficiency, the safety and the reliability of the power battery pack are comprehensively improved.
Owner:XI AN JIAOTONG UNIV

Convenient-to-clean mold fixing device for machining of mold

The invention relates to the technical field of machining of molds and discloses a convenient-to-clean mold fixing device for machining of a mold. The mold fixing device comprises a fixing base, fixing blocks are fixedly connected to the upper surface of the fixing base, two device slots are formed in the outer walls of the opposite faces of the two fixing blocks, electric retractable rods are fixedly connected in the fixing blocks, and one end of each electric retractable rod extends into the corresponding device slot. According to the convenient-to-clean mold fixing device for machining of the mold, through arrangement of scrapers on the lower surfaces of cutter head mounting blocks, when the electric retractable rods are retracted, the upper surfaces of clamping blocks can be effectively cleaned under the action of the scrapers, and scraps splashed on the outer walls of the clamping blocks during machining of the mold can be effectively scraped off, so that the fixing device is moreconvenient to clean, the time for cleaning the fixing device is shortened, and machining is accelerated.
Owner:TAIZHOU SANJIN DIE CASTING

High efficient whirl tray suitable for ship exhaust gas washing tower

The invention discloses a high efficient whirl tray suitable for a ship exhaust gas washing tower. The tray comprises a connection plate and a plurality of whirl components arranged on the connectionplate. The connection plate is provided with a plurality of through holes. Each whirl component comprises an outer cylinder, an inner cylinder, and a whirl blade arranged on the outer wall of the inner cylinder. The bottom of the outer cylinder is provided with a drainage inlet for introducing an absorbent. Each whirl component comprises a peripheral whirl component arranged on the inner wall of the whirl tray and an internal whirl component that is close to the center of the whirl tray. The peripheral whirl component is provided with a drainage component for introducing an absorbent. The drainage component comprises a drainage pipe and an annular pipe arranged on the inner wall of the outer cylinder. One end of the drainage pipe is arranged on the external side of the outer cylinder and extends outwards, and the other end is communicated with the annular pipe. The side, which is close to the whirl blade, of the annular pipe is provided with a plurality of round holes. Through the whirling effect of the whirl component, the absorbent is broken into droplets, which carry out complete reactions with flue gas, moreover, the flue gas that escapes from the peripheral areas can be effectively captured, and the flue gas desulfurization efficiency is improved.
Owner:ZHEJIANG ENERGY MARINE ENCIRONMENTAL TECH CO LTD

Intelligent power dispatching control system

The invention provides an intelligent power dispatching control system. The system comprises a security first zone acquiring machine which is used for acquiring the zone equipment data of a plant station security first zone, an information management large zone acquiring machine, a security second zone acquiring machine which is used for acquiring the zone equipment data of a plant station security second zone and a network management and control system. The host end of the network management and control system and the host ends of other network management and control systems form a host end cluster which is arranged in a cabinet. The method is combined, and the defects of frequent frame omission in the duration of information frame downloading or uploading and dramatic heat increasing in some areas in the cabinet body in the prior art are avoided.
Owner:广东亿能电力股份有限公司
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