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111results about How to "With automatic control" patented technology

Cooling fire extinguishing device and fire extinguishing method specific to stored lithium ion battery thermal runaway

The invention relates to a cooling fire extinguishing device specific to stored lithium ion battery thermal runaway. The cooling fire extinguishing device is composed of a control part, a water supply device and a liquid nitrogen supply device. The control part is composed of infrared temperature detectors (1), a temperature judgment program (10), a control valve (11), water control valves (2), liquid nitrogen control valves (9) and an electrical circuit connected with the infrared temperature detectors (1), the temperature judgment program (10), the control valve (11), the water control valves (2) and the liquid nitrogen control valves (9). The water supply device is composed of a water storage tank (5), a high-pressure pump (4), a water supply pipe network (12) and fine water mist spray nozzles (3). The liquid nitrogen supply device is composed of a liquid nitrogen tank (6), a low-temperature pump (7), a liquid nitrogen supply pipe network (13) and liquid nitrogen spray nozzles (8). The cooling fire extinguishing device is mainly suitable for storage places of lithium ion battery packs and can provide safety insurance for application, storage and transportation of lithium ion batteries. The fire extinguishing device can conduct targeted cooling in the initial stage of lithium ion battery pack thermal runaway, and meanwhile, timely fire extinguishment can be conducted after the battery pack is integrally on fire.
Owner:NANJING UNIV OF TECH

Alloyed spherical powder preparation device and method for laser 3D (three-dimensional) printing

The invention relates to a high-performance alloyed spherical powder preparation device and method for laser 3D (three-dimensional) printing. The device comprises a vacuum acquirement and inflation system, an induction smelting system, an atomization powder preparation system, a power collection system and a power system. The preparation method includes that: (1) the induction smelting system selects a non-crucible induction system or a crucible induction system; (2) alloy bars are fixed on a continuous feeder, or nickel-based/cobalt-based alloy bars are put in a smelting chamber; (3) the smelting chamber, an atomizing chamber and a power collection device are vacuumized prior to be fed with inert gas; (4) induction smelting is started, when alloy reaches preset temperature, alloy droplets are enabled to enter the atomization powder preparation system, and nozzles are started to perform atomization powder preparation; alloyed power prepared in the atomization chamber is collected through the powder collection device. The device can realize mechanical control, automatic control and real-time monitoring; the prepared alloy powder is high in yield, uniform in particle size distribution, good in degree of sphericity, uniform in chemical component, good in mobility, low in oxygen content and low in hollow sphere rate.
Owner:NORTHEASTERN UNIV

Countryside solid waste aerobic fermentation integration device

The invention relates to a countryside solid waste aerobic fermentation integration device, which comprises a compost fermentation bin, wherein the axial line inside the bin body is provided with a hollow screw drive rod, one end of the hollow screw drive rod is provided with an opening, and the other end of the hollow screw drive rod is closed. The screw drive rod is provided with an air outlet hole, and plural pairs of hollow blades provided with air outlet holes are arranged on the screw drive rod in the opposite direction, wherein the hollow blades are relative to the air outlet hole of the screw drive rod. The bottom of the compost fermentation bin is provided with a garbage percolate collecting pipeline, wherein the garbage percolate collecting pipeline is connected to a waste water treatment device. The top of the compost fermentation bin is provided with a deodorization pipeline, wherein the deodorization pipeline is connected to a condensation tower through an exhaust fan. The condensation tower is connected to a biological filter tank through a stench pipeline, wherein the biological filter tank is connected to the opening end of the screw drive rod through an aerator. The condensation tower is connected with the waste water treatment device through a distilled water pipeline, and an effluent pipeline of the waste water treatment device is connected with the internal of the compost fermentation bin.
Owner:国环清源控股有限公司

System for accurately testing friction damping

ActiveCN101907557AWith frictionWith displacementForce measurementUsing mechanical meansAutomatic controlDrive motor
The invention discloses a system for accurately testing friction damping. The system comprises a piston, a damping sealing member, a sleeve, a piston rod, force sensors, a cutting sleeve coupler, a displacement sensor, a driving motor, a measurement control platform, an experiment table body and a sleeve centering adjusting rod. The piston, the damping sealing member and the sleeve are matched together to simulate a moving part structure of a liquid rocket valve, and then are assembled together with the experiment tale body and the sleeve centering adjusting rod to form an experiment table of friction testing system; the piston is in rigid connection with the driving motor through the piston rod and the cutting sleeve coupler; the force sensors at two ends of the sleeve and the displacement sensor of the driving motor are connected with the measurement control platform; and the driving motor is connected with the measurement control platform to form a control test bed of the friction testing system. The system provides a valve piston friction structure for simulating reality, adopts a driving mode combining direct driving and macro-micro motions, and has the advantages of automatic control, high control accuracy, high reciprocating frequency, large motion stroke, high dynamic frictional force measurement accuracy and the like.
Owner:BEIJING INST OF ASTRONAUTICAL SYST ENG

Thin-film solar cell driving type outdoor evaporative cooling air curtain umbrella

The invention discloses a thin-film solar cell driving type outdoor evaporative cooling air curtain umbrella. The thin-film solar cell driving type outdoor evaporative cooling air curtain umbrella comprises an air curtain umbrella surface, wherein a thin-film solar cell is attached to the outer side of the air curtain umbrella surface, and an annular air supply channel is erected in the inner side of the air curtain umbrella surface; the air curtain umbrella surface is supported by a support unit, the upper end of the support unit extends out of the air curtain umbrella surface, an evaporative air cooler is arranged at the end and connected with the annular air supply channel, and an air supply unit is arranged on the annular air supply channel; the lower end of the support unit is fixed on the ground; a controller and a sensing system are arranged on the support unit respectively; the controller is connected with the thin-film solar cell and is externally connected with a power storage control unit, and a thin-film solar cell power generation system is formed; the sensing system is connected with the power storage control unit and the evaporative air cooler. The thin-film solar cell driving type outdoor evaporative cooling air curtain umbrella can provide a cool and comfortable environment for outdoor workers and consumers at a high temperature.
Owner:重庆福琛兴科技有限公司

Scraper conveyor pushing structure for pitching oblique mining way of fully-mechanized coal mining face of sharp-inclined coal seam

ActiveCN106523012AOvercoming manual repeated up and down support operationsIncrease productivityMine roof supportsSupporting systemAutomatic control
The invention discloses a scraper conveyor pushing structure for a pitching oblique mining way of a fully-mechanized coal mining face of a sharp-inclined coal seam. The scraper conveyor pushing structure for the pitching oblique mining way of the fully-mechanized coal mining face of the sharp-inclined coal seam comprises a coal cutter arranged in the fully-mechanized coal mining face, a plurality of sections of guiding chutes which are connected in sequence, a plurality of hydraulic supports constituting a support system, and an electrohydraulic control system mounted on the hydraulic supports. Pushing oil cylinders and pushing rods are arranged in a base. An anti-slip oil cylinder is further arranged at the front end of the base. Cable-stayed oil cylinders are further arranged on the hydraulic supports. The electrohydraulic control system achieves automatic control over the scraper conveyor pushing process by the hydraulic supports through a control program. The scraper conveyor pushing structure has the advantages of being capable of achieving automatic control, simple in structure, high in precision, safe, reliable, convenient to mount, maintain and use and the like, and is worthy of popularization in the industry.
Owner:CHENGDU HANGTIAN PHOTOELECTRIC TECH +1

Multifunctional chicken raising equipment

The invention discloses multifunctional chicken raising equipment which is characterized in that an electronic control assembly is arranged at the top of a cage shelf assembly; egg picking-up assemblies are mounted on one of the two sides of the cage shelf assembly; a feeding assembly is mounted on the other side of the cage shelf assembly; travelling wheels are mounted at the bottom of the feeding assembly and walk on a pipe; a manure cleaning assembly is arranged at the bottom of the cage shelf assembly; the shelf body of the cage shelf is covered with a material shelf body; feed hoppers are mounted on the material shelf body according to cage layers; the outlets of the feed hoppers face feed troughs; the feed troughs are mounted on the inclined edges of the shelf body; a first bottom plate, a first limiting switch, a second limiting switch and a fixing plate are mounted between the material shelf body and the top of the shelf body; a manure belt bypasses the bottom of each layer of the cage; auxiliary scraping plates are arranged on the side edges of the manure belts; an egg picking-up belt is mounted in front of each layer of chicken cage; the egg picking-up belts bypass a first box body and a second box body; egg picking-up plates and egg supporting hooks are mounted on the first box body and the second box body. The multifunctional chicken raising equipment has the characteristics of automatic feeding, automatic egg picking-up and automatic manure cleaning.
Owner:GUANGXI YULIN XINJIAN BREEDING LTD

UVC LED water sterilization device capable of automatically adjusting light power

The invention discloses a UVC LED water sterilization device capable of automatically adjusting optical power, and relates to deep ultraviolet disinfection and electronic control. The device is provided with a data acquisition and processing module, a power supply module, a light source module and a display and control module. The data acquisition and processing module comprises an MCU, a distancesensor, an AD converter and a memory. The distance sensor is used for acquiring analog signals of information of the distance between a light source and the water surface, the analog signals are converted into digital signals through the AD converter, and the digital signals are transmitted to the MCU for processing. The MCU is used for storing the data in the memory and is connected with the power supply module. The display and control module comprises a Bluetooth and an LCD touch display screen, and real-time data acquired or calculated by the MCU is transmitted through the Bluetooth to theLCD touch display screen for display. The output end of the LCD touch display screen is connected with the MCU, and the received touch input data is transmitted to the MCU to be processed. Automaticcontrol, precise sterilization, energy conservation, environmental protection, visual data, no damage to substances and no chemical residues are realized.
Owner:XIAMEN UNIV

Domestic water quality monitoring instrument

The invention relates to a domestic water quality monitoring instrument. The instrument comprises a water filling pipe section, and a monitoring device which is arranged on the water filling pipe section, wherein a water resisting sealing layer is arranged between the water filling pipe section and the monitoring device; the monitoring device comprises a power module, an integrated circuit module,a display screen and a plurality of monitoring probes; the plurality of monitoring probes are electrically connected to the integrated circuit module through conductors; the display screen is electrically connected to the integrated circuit module; the power module is correspondingly electrically connected to the integrated circuit module and the display screen through the conductors; the integrated circuit module is fixedly arranged in the monitoring device through a supporting column. The instrument is simple in structure, convenient to mount, and capable of monitoring a plurality of indicators of the domestic water in real time; the existing sensor monitoring technology is fully utilized, so that the domestic water is high in quality; and moreover, the instrument can be used in match with an existing domestic wireless communication technology to realize remote transmission and control; and the instrument has the characteristic of being automatic to control.
Owner:XIAN TIANHENG MEASURING INSTR

Photosensitive material plate output device capable of laying protective paper synchronously

The invention relates to a photosensitive material plate output device and a photosensitive material plate output device capable of laying protective paper synchronously. The photosensitive material plate output device comprises a rack, wherein a first conveying device of horizontally arranged photosensitive material plate monomers is arranged under the rack; a paper coiling roller is arranged on the rack; a second conveying device of paper is arranged under the coiling roller; a paper cutting knife is arranged on the second conveying device; an output end of the second conveying device is arranged on the first conveying device; the transferring direction of the second conveying device is obliquely arranged and is close to the upper surface of the first conveying device; the second conveying device is provided with second power for driving the second conveying device to move; a probe is arranged on the first conveying device; the cutting knife and the second power are connected with a control device; and the first conveying device and the second conveying device are connected with the control device and are arranged in a box. The photosensitive material plate output device capable of laying protective paper synchronously has the advantages of high production efficiency and low labor intensity.
Owner:CHANGGE HUIDA PHOTOSENSITIVE MATERIAL
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