84 results about "Electromagnetic valve" patented technology

The invention discloses a mobile cleaning and disinfection device for medical instruments, which comprises a body, a water storage tank and a cleaning bucket; a partition is fixedly installed inside the body, and a hollow rotating shaft is installed at the middle position of the partition; the cleaning bucket fixedly installed on the upper side of the hollow rotating shaft; the water storage tank is fixedly installed on the bottom of the body, and a filter device is installed inside the water storage tank; a solenoid valve is also installed on the hollow rotating shaft; the outer side of the body is also fixedly installed There is a water pump, the water outlet of the water pump is connected with a water outlet pipe, and the other end of the water outlet pipe is located on the upper side of the cleaning bucket. The present invention fully cleans the medical instruments by providing a rotating cleaning bucket and a cleaning brush inside the cleaning bucket; it is also equipped with casters, screws and shock-absorbing foot pads, which are convenient to move and can be fixed; it is also equipped with a water pump And filtering device, can recycle waste water.

A sensor-type flushing system for a toilet tank includes a pressured tank installed in a toilet tank, both a switch valve and an electromagnetic valve connected to the pressured tank. The pressure tank is provided with a drain valve so that pressured tater stored in the pressured tank may be made to flow out of the drain valve to flush pressed water in the toilet bawl by handling manually an operational device set on an outer wall of the toilet tank. Further, the operational device is provided with a sensor, which senses a human body and emits and receives signals to electrically open the electromagnetic valve so as to open the drain valve for flushing pressured water into the toilet bawl. Thus the sensor-type flushing system has two functions of manual and automatic flushing.

The invention provides a hydrogen fuel battery starting system and method. The hydrogen fuel battery starting system comprises a water pipeline; the water pipeline is connected in series with a cooling water pipeline of a hydrogen fuel battery electric pile and is connected in parallel with an external heat-dissipating system of the hydrogen fuel battery electric pile; an electric heater is arranged in the water pipeline; when the hydrogen fuel battery electric pile enters a working state, the electric heater is switched into electric energy transmitted by the hydrogen fuel battery electric pile to perform heating so as to heat a water channel of the water pipeline, and the hydrogen fuel battery electric pile is heated by the circulating water channel; the water pipeline is also provided with an electromagnetic valve for controlling on or off of the water pipeline. By the hydrogen fuel battery starting system and the hydrogen fuel battery starting method, the problems that high-power output cannot be realized at the starting stage of the hydrogen fuel battery in the prior art and boosting DC/DC is difficult in boosting output are solved, so that rapid start of the hydrogen fuel battery is guaranteed, the working environment of the boosting DC/DC is improved, and the electric energy output is relatively stable.

The invention discloses a system and method for parallel test of a flowmeter. The system comprises a calibrator, a plurality of flowmeters, an industrial control machine and a multi-serial communication card. A gas inlet of the calibrator communicates with a zero gas source. A gas outlet of the calibrator communicates with gas inlets of the flowmeters. One electromagnetic valve is arranged on eachcommunicating pipeline between each flowmeter and the calibrator. A communicating connector of the industrial control machine is connected with a bus connector of the multi-serial communication card.Ports of the multi-serial communication card is electrically connected with the calibrator, a digital collector and the flowmeters separately. Output connectors of the digital collector are separately electrically connected with the electromagnetic valves. The calibrator controls and collects flow in the pipelines. The industrial control machine outputs a flow instruction to the calibrator, sendsa control instruction to the flowmeters, and collects flow of the calibrator and the flowmeters. At most one electromagnetic valve is opened at one time. Testing efficiency can be improved by the system and method.

The invention discloses a mass flowmeter detecting device and a mass flowmeter detecting method. The mass flowmeter detecting device comprises a fluid storage pool, a constant-current constant-pressure pump, a fluid gathering bag and a fluid storage pool return pipe, wherein the constant-current constant-pressure pump is mounted between the fluid storage pool and the liquid inlet end of the flowmeter to be detected; the fluid gathering bag and the fluid storage pool return pipe are mounted at the liquid outlet end of the flowmeter to be detected in parallel, the liquid inlet end of the fluid gathering bag is provided with a first switch electromagnetic valve, and the liquid inlet end of the fluid storage pool return pipe is provided with a second switch electromagnetic valve. The mass flowmeter detecting method is simple and reasonable in steps; the fluid switch and the timing starting and stopping are synchronously controlled by a computer through a software module, so that the fluid mass sampling and the sampling time are synchronized rigidly and correspondingly; and moreover, the mass flowmeter detecting method is simple and effective and is capable of avoiding the problem that the fluid mass loss error and the indication error and timing error due to the fluid flow state fluctuation enable the standard flow rate value to have large error.

The invention relates to the field of health-protection medical instrument equipment, and discloses a respiratory-self-adaptation portable oxygen generator. The oxygen generator comprises an oxygen generating unit, a self-adaption impulse oxygen supplying unit and a control unit, wherein the oxygen generating unit is used for generating medical concentration oxygen, the self-adaption impulse oxygen supplying unit comprises an impulse oxygen generating unit and a control unit, and the oxygen impulse generating unit comprises an oxygen supplying pipeline, an electromagnetic valve and a three-waypiping; the oxygen supplying time starting point T1 and the oxygen supplying duration t are determined by the control unit according to respiratory curve data of a user, when the oxygen supplying time starting point T1 is reached, the electromagnetic valve is switched on by the control unit to supply oxygen, and when the oxygen supplying duration t is reached, the electromagnetic valve is controlled to be switched off by the control unit to end oxygen supplying. The respiratory-self-adaptation portable oxygen generator has the advantages that the respiratory movement of the user can be effectively recognized, oxygen self-adaption supplying is achieved for the user to breathe, and oxygen supplying control is accurately conducted.

The invention provides an ultrahigh-pressure hydrogen electromagnetic valve having a pressure relief function and applied to a vehicle. The ultrahigh-pressure hydrogen electromagnetic valve comprisesa valve body; the valve body is provided with a gas charging interface which is connected with a gas cylinder; the valve body is internally provided with a main gas charging channel and the gas charging interface; the valve body is also internally provided with a manual control valve interface, an electromagnetic valve interface and a pressure reducer interface; one side of the pressure reducer interface is provided with a low pressure output interface; a manual control valve is installed at the manual control valve interface; an electromagnetic valve is installed at the electromagnetic valveinterface; a pressure reducer is installed at the pressure reducer interface; the gas charging interface communicates with the main gas charging channel through the manual control valve; and the maingas charging channel communicates with the low pressure output interface through the manual control valve, the electromagnetic valve and the pressure reducer in sequence. The ultrahigh-pressure hydrogen electromagnetic valve provided by the invention has the advantages of reasonable structure, high integration level, good safety and long service life.

The invention provides a summer water temperature adjustment device for a swimming pool. The water temperature adjustment device comprises a platy heat exchanger, a temperature control electromagnetic valve and a temperature transmitter, wherein the platy heat exchanger is provided with a water inlet and a water outlet; the water inlet can be connected to an air conditioning chilled water pipe; the water outlet can be connected to an air conditioning system water return pipe; the temperature control electromagnetic valve is arranged at the water inlet end of the platy heat exchanger; and the temperature transmitter is arranged in the swimming pool, and is used for monitoring water temperature and transmitting a control signal to the temperature control electromagnetic valve to start or stop the temperature control electromagnetic valve. The water temperature adjustment device can be used for reducing, adjusting and controlling the temperature of water in the swimming pool in summer, and is simple and low in cost; furthermore, the temperature control electromagnetic valve is only started or stopped through the water temperature transmitter instead of being controlled by a worker.

The invention relates to a method for cleaning and oiling the surface of a flux-cored wire and a device thereof. The method comprises the steps of: controlling the wire drawing linear speed at the range of 5-300m/min, spraying the wire surface by using a sprayer, wherein the linear speed is greater than 300m/min, starting a cleaning liquid pump to water the wire surface, and closing the sprayer, wherein the speed is less than 300m/min, stopping the cleaning liquid pump and turning on the sprayer, and then oiling with an oiling engine after spraying, watering and wire drawing. In the device, compressed air pipes are respectively connected with two pressure regulating valves and two electromagnetic valves; the pressure regulating valve and the electromagnetic valve are communicated with a cleaning liquid box through a tee-junction outlet pipe; and the other way of electromagnetic valve and pressure regulating valve is connected with the sprayer by a tee-junction; a water pump is arranged on the cleaning liquid box and is communicated with a drencher through a flow switch by a pipeline; the sprayer, a wortle and the drencher are all arranged in a watering withdrawing box; a water return port is arranged at the bottom of the box body and is communicated with the cleaning liquid box through the pipeline.

A three-purpose air conditioner for refrigeration, heating and heating water, which features increasing water cooling exchanger and electromagnetic valve in small air conditioner and water cooling exchanger, thermo-insulation water tank and hot water circulation pump in intermediate and large air conditioner, which can be used in all seasons with simple structure, easy making, low cost, high efficiency, and stable and reliable performance.

The invention discloses a bus door closing prompting device, which belongs to the technical field of a bus device and comprises a control box, a door pump electromagnetic valve and a storage battery, wherein the control box, the door pump electromagnetic valve and the storage battery are arranged on a driving table, the control box comprises a bus door switch and a singlechip, the bus door closing prompting device also comprises a speed tester, a warning device and a light emitting diode (LED) lamp which are arranged on a door, the singlechip is respectively and electrically connected with the bus door switch, the door pump electromagnetic valve, the storage battery, the speed tester, the warning device and the LED lamp, the warning device is a voice warning device, and the LED lamp is a flickering LED lamp. The bus door closing prompting device has the beneficial effects that the speed tester detects the bus speed and the operation state of a bus at any time, in addition, the detected value is transmitted to the singlechip, when the detected value is not zero, and in addition, the bus door switch is not switched off, the singlechip can control the door pump electromagnetic valve to do the door closing action, the voice prompt is given out through the warning device to inform a driver of closing the back door and simultaneously prompting passengers to be careful, the LED lamp also flickers at the same time, the attention of the driver can be attracted through the visual effect, the driver is prompted to close the back door, the structure is simple, and the use is convenient.

The invention discloses a gas mass flow rate controller based on double CPUs, which includes a sensor signal processing module, an A/D converter, a valve control circuit module, a first microprocessor, a second microprocessor and so on. The first microprocessor is used for realizing functions like flow rate detection, flow rate display, fault diagnosis and so on; and the second microprocessor is used for performing PID control arithmetic, the output result is used for controlling an electromagnetic valve, and the second microprocessor is also used for realizing functions like communication and so on. The double CPUs finish different works respectively, therefore, the anti-jamming capability is enhanced, and the arithmetic speed is increased.

The invention relates to the technical field of packaging printing machines, and discloses an automatic ink adding device for a packaging printing machine. The automatic ink adding device comprises acontaining box and ink boxes, wherein a plurality of containing grooves are formed in the front surface of the containing box at equal intervals from left to right; the tops of the multiple containinggrooves extend to the upper surface of the containing box, and the ink boxes are arranged in the plurality of containing grooves; an adding pipe is inserted in an ink box of the printing machine, andat the moment, a sealing head can block an opening of the ink box; after a lower liquid level sensor on the adding pipe detects that the liquid level in the ink box is low, a signal can be sent to aPLC, then the PLC can control an electromagnetic valve and an ink pump in the ink boxes to be started, and accordingly ink in the ink boxes can be injected in the ink box; and after the lower liquid level sensor on the adding pipe detects that the liquid level in the ink box is high, a signal is sent to the PLC, the PLC controls the electromagnetic valve and the ink pump to be stopped, and ink adding in the ink box is stopped.

Disclosed is a mud shoveling plate chain track grooving machine. A plurality of digging knives are equidistantly mounted on a chain track, a shoveling plate is arranged at one dredging edge of each digging knife and hinged onto the chain track through a short shaft and an outer sleeve, holes are formed in the digging knives, ejector rods penetrate the holes, one end of each ejector rod is fixed to the corresponding shoveling plate, a pneumatic cylinder is arranged on the upper portion of a steel component, the upper end of the pneumatic cylinder is hinged to the steel component, the ejector rods can be pushed when the lower end of the pneumatic cylinder extends out, one side of the first driving wheel is in coupling connection with a large toothed belt pulley, the large toothed belt pulley drives a small toothed belt pulley through a toothed belt, the small toothed belt pulley is coupled with a sliding ring, and a plurality of copper strips are equidistantly arranged on the sliding ring. A carbon brush slides on the sliding ring, a pneumatic electromagnetic valve of the pneumatic cylinder is closed when the carbon brush contacts with the copper strips on the sliding ring, the pneumatic cylinder is driven to push the ejector rods, so that the shoveling plate is pushed to swing, and clod is shoveled.

The invention discloses a control method and system for warm air water circulation of an oil-fired automobile and a storage medium. The method comprises the steps that the running state of an engine is detected; if the engine runs, whether a warm air demand exists or not is detected; according to the size relation between engine running time and a preset value and the size relation between enginewater temperature and a preset value, whether an electromagnetic valve on a warm air water way is started or not is judged, and whether the warm air water circulation is started or not is determined;and if the engine does not run, the electromagnetic valve on the warm air water way is controlled to be started, and the warm air water circulation is started. By judging the running state of the engine and the warm air requirement, and achieving warm air control based on time and water temperature threshold values, the control method and device can adapt to different external environment temperatures, and warm temperature is increased rapidly within the time accepted by a user; and when the temperature of the engine is high, heat dissipation of the engine is assisted, and the engine cooling cost is reduced.

The invention discloses a micro-flow accurate control type proportional electromagnetic valve comprising an inlet connector, a valve body-coil assembly, an outer magnetizer, an armature assembly, a valve seat assembly, an outlet connector, a first shell and a second shell. The first shell and the second shell are connected. The valve body-coil assembly, the outer magnetizer and the armature assembly are all arranged in an internal space formed by the first shell and the second shell. The valve body-coil assembly is connected with the armature assembly. The outer magnetizer is arranged outsidethe valve body-coil assembly in a sleeving manner. The inlet connector is connected with the valve body-coil assembly. One end face of the outlet connector is connected with the armature assembly in acompression manner. The side wall of the outlet connector is connected with the second shell. The valve seat assembly is arranged in the outlet connector. One end of the armature assembly is embeddedinto the valve seat assembly. The micro-flow accurate control type proportional electromagnetic valve can achieve the function of high-precision pressure and flow continuous output control and effectively guarantee reliable work of an electric propulsion system.

The invention relates to a water softening machine and a working method thereof. The water softening machine comprises a shell, wherein a resin tank is arranged in the shell, a water inlet end of the resin tank is connected with a hot water inlet pipe and a first cold water inlet pipe through control valves, and the water inlet end of the resin tank is also connected with a regeneration waterway capable of providing regeneration water for realizing resin regeneration. Electromagnetic valves of the water softening machine are controlled through an integrated circuit board to realize automatic operation, the water softening machine simultaneously comprises the water inlet pipeline of a softening waterway and the water inlet pipeline of the regeneration waterway, the hydraulic pressure borne by the resin tank is extremely small, so that strength requirement on the resin tank is low; and the water softening machine realizes the advantage of convenient temperature regulation, prevents the resin tank from bearing hydraulic pressure, and solves the problem of autoregeneration.

The invention relates to a six-way valve structure for online monitoring and detection of oil gas chromatogram and an application method thereof. The six-way valve structure comprises a valve body, wherein a pipe orifice A, a pipe orifice B, a pipe orifice C, a pipe orifice D, a pipe orifice E and a pipe orifice F are formed in the valve body; the pipe orifice A and the pipe orifice B are communicated through a pipeline built in the valve body; the pipe orifice C and the pipe orifice D are communicated through a pipeline built in the valve body; the pipe orifice E and the pipe orifice F are communicated through a pipeline built in the valve body; the output ends of the pipe orifice D and the pipe orifice A are communicated through a switch pipeline built in the valve body; a miniature electromagnetic valve A is arranged on the switch pipeline; a miniature electromagnetic valve B is arranged at an the input end of the pipe orifice A; the pipe orifice C is connected with the pipe orificeF through a quantifying pipe built outside; the pipe orifice A is a carrier gas inlet; the pipe orifice E is a sample inlet; the pipe orifice B is connected with a chromatographic column. The six-wayvalve structure provided by the invention has the advantages of simple structure, reasonable design and high operation quality, improves the stability of an oil chromatogram online monitoring system,and reduces the maintenance frequency; stable operation of the equipment can better reflect internal conditions of a transformer.

The invention discloses an automatic cleaning device for a 3D printing cold plate runner. The automatic cleaning device comprises a liquid storage tank (4), a water pump (15) and a connecting pipe (5)and further comprises a washing device box body (13), a display and control console (9), an operating pool (10), a vibration exciter (3), a vibration exciter (3) mounting plate (2), a supporting partition plate (12), a display and control instrument (7), buttons (8), a water draining pipe (11), a filter (14), a tee joint (17), damping supporting legs (6), eight electromagnetic valves and four water route joints. When the automatic cleaning device operates, water in the liquid storage tank (4) can pass through the connecting pipe (5) through the water pump (15) and then is pumped into a cold plate (1) to be cleaned according to a specific water route. Along with scouring by water flow, residual powder in the cold plate can be taken out through the water flow. When the water flow passes through the filter (14), the metal residual powder can be filtered out, and the filtered water flows back into the liquid storage tank (4) to complete flowing circulation. The automatic cleaning device for the 3D printing cold plate runner is small in size, convenient to use, high in degree of automation and simple in operation process.