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145results about How to "Control start and stop" patented technology

Dedusting device used for computer

The invention relates to the technical field of dust collection and particularly discloses a dedusting device for a computer. The dedusting device for the computer comprises a dedusting cylinder. A handle fixed to the dedusting cylinder is arranged at the top of the dedusting cylinder. A motor is mounted in the handle. A negative-pressure cavity is formed in the upper portion of the dedusting cylinder. A dust collection cavity is formed in the lower portion of the dedusting cylinder. A piston is arranged in the negative-pressure cavity. A first air inlet one-way valve and a first exhaust one-way valve are arranged at the top of the negative-pressure cavity. A second air inlet one-way valve and a second exhaust one-way valve are arranged at the bottom of the negative-pressure cavity. Both the first air inlet one-way valve and the second air inlet one-way valve communicate with the dust collection cavity. The lower end of the dedusting cylinder is rotatably connected with a dedusting disc. A brush is arranged on the dedusting disc, and a through hole communicating with the dust collection cavity is formed in the dedusting disc. A driving shaft which is fixed to the piston and penetrates through the negative-pressure cavity and the dust collection cavity is arranged in the dedusting cylinder. The dedusting disc is made to rotate back and forth when the driving shaft reciprocates relative to the dedusting disc, and the motor can drive the driving shaft to reciprocate. The dedusting device has both a dedusting function and a dust collection function, and thus, the dedusting effect is better.
Owner:SUZHOU AINAGE INFORMATION TECH CO LTD

Automatic tunnel waterproof material laying and hanging construction trolley

The invention provides an automatic tunnel waterproof material laying and hanging construction trolley which comprises a rack, tires, a driving system, an executing mechanism, an arrangement mechanism and a master control console. The tires are rotatably installed at the bottom of the rack, the master control console is installed on the rack, the driving system comprises a driving motor and an oil pump, the executing mechanism comprises a rocker arm spindle, a first telescopic rod, a second telescopic rod, a pushing beam and a pushing rod, the driving motor drives the rocker arm spindle, the first telescopic rod is installed at the first end of the rocker arm spindle, the second telescopic rod is installed at the second end of the rocker arm spindle, one end of the pushing beam is connected with the first telescopic rod, the other end of the pushing beam is connected with the second telescopic rod, the pushing rod is installed on the pushing beam. The arrangement mechanism comprises an arrangement beam, wherein one end of the arrangement beam is fixedly installed on the first telescopic rod, and the other end of the arrangement beam is fixedly installed on the second telescopic rod. The flatness and looseness during laying and hanging of a preliminary-stage supporting surface isolation layer of a tunnel are guaranteed, and the problems of lining void and the like caused by swelling of waterproof plates at a later construction stage are avoided.
Owner:GUANGZHOU ENG CO LTD OF CHINA RAILWAY 19TH BUREAU GRP

Peritoneal dialysis treatment device and operation method thereof

The invention discloses a peritoneal dialysis treatment device and an operation method thereof, wherein the peritoneal dialysis treatment device comprises an irrigation and drainage channel, a waste drain channel and a liquid supply channel, the irrigation and drainage channel is connected with the abdominal cavity of the human body, the waste drain channel is used for draining the liquid in the irrigation and drainage channel drained from the abdominal cavity, the liquid supply channel is connected with a liquid bag which is used for holding dialyzate, each of the irrigation and drainage channel, the waste drain channel and the liquid supply channel is correspondingly connected with one of three liquid flow holes which are non-uniformly formed in a three-way valve, and each two channels are connected under certain state. The irrigation and drainage channel is further provided with an irrigation and drainage pump which is a bidirectional pump, and the liquid supply channel is further provided with a heater which is used for heating the dialyzate and a heating pump which is used for pumping the dialyzate to the heater. The peritoneal dialysis treatment device and the operation method thereof overcome the disadvantages of complex transfusion system structure, high processing precision requirement and complex operation of the existing peritoneal dialysis machine and have advantages of simple structure, easiness in processing and convenience in operation.
Owner:江苏瑞锴医药技术有限公司

Alternating-current charging pile control system

PendingCN112373343AWith charging basic protection functionWith charging expansion protection functionCharging stationsElectric vehicle charging technologyOvervoltageHemt circuits
The invention provides an alternating current charging pile control system. The system is characterized by comprising an MCU main control chip, and the MCU main control chip adopts STM32F427VGT6, andis respectively connected with a power supply circuit, an output short circuit detection circuit, a temperature sampling circuit, a communication module, a relay control circuit, an adhesion detectioncircuit, an AC leakage protection circuit, a DC leakage protection circuit, a CP sampling circuit, a man-machine interaction module, an electric energy metering circuit, a voice function module, a grounding detection circuit, a reserved interface circuit, an emergency stop switch circuit and a lightning protection circuit. According to the invention, functions of overvoltage protection, overcurrent protection, undervoltage protection, electric leakage protection, short-circuit protection and lightning protection are realized; and the system has a charging expansion protection function: the MCU tries to realize over-temperature protection at the interface through a temperature detection circuit at a charging connector connection interface. The protection function is the function lacked bythe existing charging equipment and is also the urgently needed function, and the potential safety hazard caused by the lack of the function is often exposed in the existing products in the market.
Owner:上海循道新能源科技有限公司

Water heater and control method thereof

The invention provides a water heater and a control method thereof. The water heater comprises a water tank, a compressor, a four-way valve, a coiled pipe, a throttling device, a heat exchanger, an electromagnetic valve, a check valve, a first temperature sensor, a second temperature sensor, a third temperature sensor, a detection device and a controller; the controller is connected with the electromagnetic valve, the four-way valve, the first temperature sensor, the second temperature sensor, the third temperature sensor and the detection device; the opening or closing of the electromagnetic valve or the switching of the four-way valve is controlled by the controller according to the exhaust temperature, the environment temperature, the temperature of the heat exchanger and the operation time of the compressor. According to the water heater, the electromagnetic valve is added, the reversing is not performed through the four-way valve and the heat bypass defrosting is performed when the electromagnetic valve is controlled by the controller to be opened, the four-way valve is energized for reversing and the reverse cycle defrosting is performed when the electromagnetic valve is closed, the two defrosting modes are implemented, and accordingly the loss of the heat is reduced, the defrosting of the water heater can be high in efficiency, and the use comfort of the product is improved.
Owner:HEFEI MIDEA HEATING & VENTILATING EQUIP +1

Texturing machine

The invention discloses a texturing machine. The texturing machine comprises a plurality of machining spots, wherein the machining spots are in butt joint and are used for stretcher strain of filaments. Each machining spot is internally provided with a drafting, texturing and winding operation unit. At least one operation unit in each machining spot is provided with an independent transmitter of a motor. Each independent transmitter is provided with a driver and is composed of the motor of which a rotor is a permanent magnet with non-exciting current and a stator is a multi-phase winding. The drivers detect current of the multi-phase windings of the motors and calculate counter electromotive force voltage to obtain the position information of the rotors, and main controllers in communication with the drivers obtain the real-time speed of the motors through the position information of the rotors. The drivers can obtain detailed position information of the rotors while keeping high-speed and stable operation of the motors in a sensorless control mode, it is unnecessary to additionally arrange rotor position sensors or speed measurement sensors, feedback deflection caused by installation angles of the sensors or changes of environment temperature is reduced, the rotation speed of the independent transmitters can be monitored in real time, and closed-loop control can be achieved through speed feedback.
Owner:WUXI HONGYUAN ELECTROMECHANICAL TECH

Multifunctional handle for hay mower and hay mower with multifunctional handle

The invention provides a multifunctional handle for a hay mower and the hay mower with the multifunctional handle, belonging to the technical field of gardening tools. According to the multifunctionalhandle, the technical problems that an existing hay mower is convenient to use and the like are solved. The handle comprises a U-shaped handrail frame, wherein a mounting seat is arranged in the middle of the handrail frame, an operation panel inclining towards an operator is fixedly arranged on the mounting seat, and at least three control buttons are arranged on the operation panel; a triggering switch, a walking control switch S, a main motor control switch A and a main motor control switch B are respectively arranged on the mounting seat; a left control rod and a right control rod which are used for triggering the walking control switch S are respectively arranged on two sides of the mounting seat; and an activating key for triggering the main motor control switch A is arranged on themounting seat, an upper operation rod is movably connected to the upper side of the mounting seat and is used for triggering the main motor control switch B, and the triggering switch can be triggered by one control button on the control panel. According to the multifunctional handle, the parts are reasonably distributed, the operation is convenient, and the control is reliable.
Owner:ZHEJIANG ZOMAX GARDEN MACHINERY

Intelligent liquid level monitoring method and system for urban underground utility pipe gallery

The application discloses an intelligent liquid level monitoring method and system for an urban underground utility pipe gallery. The method includes the following steps: adopting an optical detectiondevice to detect a liquid level value of a liquid level sampling point that is expressed by optical signal data in a utility pipe gallery in real time; after the liquid level value corresponding to the optical signal data reaches an early warning value, not starting a drainage system, but continuing to judge whether the liquid level value is maintained within an early warning range during a T time period from the current moment when the early warning value is reached; only when determining that the liquid level value is maintained within the early warning range during the T time period, determining that the liquid level reaches the warning liquid level; and at this time, generating a control instruction to control the drainage system in the utility pipe gallery to initiate a drainage process. Therefore, according to the method and the system provided by the embodiment, the liquid level value is continuously judged after the liquid level value reaches the early warning value, the phenomenon that the liquid level exceeds the standard can be determined only when the liquid level value is maintained within the early warning range during the T time period, so that more accurate liquidlevel monitoring can be realized, the start-up and shutdown of the drainage system can be accurately controlled, and the waste of electric energy can be reduced since the number of start-up and shutdown times of the drainage system is reduced.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD

Zinc-air battery pack employing vertical circulation of electrolyte

ActiveCN105914430AImprove current intensity deficiencyEasy to remove and replaceFuel and primary cellsZincEngineering
The invention discloses a zinc-air battery pack employing vertical circulation of an electrolyte. The zinc-air battery pack comprises a box body, a top plate, zinc electrode support frames, zinc anode plates, zinc electrode conducting plates, an anode terminal, air cathode plates, an air electrode conducting plate and a cathode terminal. The zinc anode plates and the air cathode plates are arranged at an included angle which is greater than 0 and smaller than 180 degrees from the horizontal plane, so that the defect of insufficient current intensity caused by an electrode putting way is improved. Meanwhile, a detachable form is adopted by the zinc anode plates and the air cathode plates, so that late maintenance, replacement and disassembly are relatively simple and convenient. Certain gaps exist between the zinc anode plates and the air cathode plates; after the height of the horizontal liquid level of the electrolyte exceeds the heights of the zinc anode plates, the electrolyte drops down along the gaps in a form similar to a waterfall due to the action of gravity; the electrolyte contacts the zinc anode plates and the air cathode plates in the dropping process; and batteries are discharged immediately. Therefore, the space utilization rate of the battery pack is improved; and relatively high current density is generated.
Owner:HEBEI UNIV OF TECH

Escalator safety protecting system

The invention provides an escalator safety protecting system. The escalator safety protecting system comprises an escalator, a motor module, a control module, a detecting module, a communication module and a sterilization module; the control module is connected with the escalator, the motor module and the detecting module through the communication module; the control module is a single chip microcomputer; the detecting module is arranged on a handrail strap of the escalator; the sterilization module is arranged at the position, close to an inflow opening or an outflow opening, of the handrail strap of the escalator; an ultraviolet sterilization lamp is arranged in the sterilization device. According to the escalator safety protecting system, a touch single is detected by utilizing a touch sensor; the start and the stop of the escalator are controlled; the energy is effectively saved; energy waste produced under a no load condition is prevented; people are required to hold by hands all the time when the people take the escalator, so that the falling caused by unstable weight gravity because of an escalator fault is prevented; the handrail is sterilized by utilizing the ultraviolet lamp, the healthy and safety of the people are effectively ensured; equipment is simple, convenient to use, and high in intelligent degree.
Owner:TIANJIN XINBAOLONG ELEVATOR GRP

Glass dynamic grouping control system and method for float glass production line

The invention provides a glass dynamic grouping control system and method for a float glass production line, and relates to the technical field of glass production. The glass dynamic grouping controlsystem comprises a first branch roller way, a second branch roller way, a third branch roller way, a photoelectric switch used for generating a photoelectric signal when detecting the float glass to be grouped, and a control module for controlling the first branch roller way, the second branch roller way and the third branch roller way to operate when receiving the photoelectric signal for the first time, wherein when the rear edge of the glass moves to a first preset position, if the length of the glass is greater than a length threshold, the second branch roller way and the third branch roller way are controlled to decelerate, and if not, the second branch roller way is controlled to decelerate, when the photoelectric signals are received again and the to-be-grouped float glass conveyedtwice is not in one group, the second branch roller way and the third branch roller way are controlled to operate, and when the photoelectric signals are received again and the to-be-grouped float glass conveyed twice is in one group and the front edge of the glass operates to a second preset position, the second branch roller way and the third branch roller way are controlled to operate. The glass dynamic grouping control system can be used for grouping glass of any specification and can control the grouping distance.
Owner:CHINA TRIUMPH INT ENG

Handheld infrared flaw detector and detection method thereof

PendingCN108872253ARapid real-time detection of internal defectsReal-time detection of internal defectsOptically investigating flaws/contaminationElectricityHand held
The invention relates to a handheld infrared flaw detector and a detection method thereof. The infrared flaw detector comprises a shell as well as an infrared thermal imager and an air supply apparatus which are fixed in the shell, wherein the air supply apparatus comprises an electric heating wire, an electric heating wire installation frame and an air supply member, the shell is provided with anair inlet and an air outlet, and the air supply member is fixed in the shell close to one side of the air inlet; the electric heating wire installation frame is fixed in the shell close to one side of the air outlet; and the electric heating wire is wound on the electric heating wire installation frame. For the defects of the existing flashlight-type excitation, the infrared thermal imager is combined with the air supply apparatus, a given area of a detected article is heated by adopting a hot air excitation way, while an object is heated, the temperature of the detected article is recorded and analyzed by utilizing the infrared thermal imager, and the internal defects of the object can be rapidly detected in real time, so that the weight of the entire device can be greatly reduced, and the handheld infrared flaw detector is convenient to carry, suitable for different environments and capable of greatly improving the detection efficiency.
Owner:中新红外科技(武汉)有限公司

Efficient and energy-saving SCR denitration catalyst regeneration disposal technology and device

The invention provides and designs a disposal technology and device for disposing SCR denitration catalyst regeneration in a factory. The technology comprises the steps that each working procedure of actual operation is executed starting from the procedure that an SCR catalyst module is conveyed to the factory, detection, carrying, flying ash removal, washing, acid pickling, rinsing, air drying, activation, drying, calcination and finished product packaging are performed; according to the technological process and disposal time of each working procedure, equipment is reasonably arranged, the carrying time is shortened, the number of links is reduced, time is reasonably utilized, and the production efficiency is improved; each disposal cell body is reasonably designed, control equipment is configured, a PLC control system is used, and disposal cell bodies are automatically operated, semi-automatic control over the overall disposal technology is achieved, and efficiency and disposal capacity are further improved; some water used by the technology is subjected to sedimentation, filtering and reutilization, and the cost and resources are saved; calcination and drying of a module are effectively combined together, the module is dried by means of waste heat of calcination, and energy sources are effectively saved.
Owner:HEBEI HANTANG HONGYUAN ENVIRONMENT PROTECTION TECH

Manpower saving combined anode carbon block slotting equipment

The invention provides manpower saving combined anode carbon block slotting equipment. The manpower saving combined anode carbon block slotting equipment comprises a machine base, a water cutting device, an automatic fixing device, a mechanical cutting device, an automatic feeding device and a control system. The water cutting device, the mechanical cutting device and the automatic feeding deviceare transversely erected on the machine base in a sliding manner. The automatic fixing device is in sliding connection into the machine base. The water cutting device is provided with water jet cutterspraying ports and a numerical control operation platform. The mechanical cutting device is provided with a sound isolation hood, and the sound isolation hood is divided into a cooling section and acutting section. The cooling section is provided with a cooling device established on the basis of semiconductor refrigeration sheets. The cutting section is provided with a cutter changing motor, a cutter rest and cutting blades. The automatic fixing device is provided with a bent track and is divided into a transverse fixing device body and an axial fixing device body, and both-way automatic clamping is conducted. The automatic feeding device is arranged at the end portion of the machine base. The manpower saving combined anode carbon block slotting equipment is ingenious in design, excellent in effect and capable of saving manpower, lowering noise and mechanical loads and optimizing the producing and manufacturing technology.
Owner:李春洪

Control method for engine cooling system

The invention provides a control method for an engine cooling system. The control method for the engine cooling system includes the following steps that the temperature distribution of all test pointswhen an engine is in the best state under different work conditions is calibrated and made into a MAP chart to be stored in an engine management system; the relationship of the inlet temperature andoutlet temperature of engine cooling liquid and the temperature of all the test points of the engine under a certain work condition is calibrated and made into a MAP chart to be stored in the engine management system; the relationship of the power of an electric fan, the opening degree of a thermostat, and the inlet temperature and outlet temperature of engine cooling liquid under the same work condition is calibrated and made into a MAP chart to be stored in the engine management system; the engine management system builds intelligent cooling control strategies under different work conditionsaccording to the stored MAP charts; and the engine management system controls the inlet temperature and outlet temperature of the engine cooling liquid, the power of the electronic fan and the opening degree of the thermostat according to the intelligent cooling control strategies. The control method for the engine cooling system can lower the temperature distribution and water temperature fluctuation of all the test points of the engine.
Owner:汉腾新能源汽车科技有限公司
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