31 results about "Solenoid valve" patented technology

The invention discloses an automatic clutch actuator for a HEV (Hybrid Electrical Vehicle) and a control method of the automatic clutch actuator. The control method is characterized in that an electronic control unit controls the operation of a clutch air cylinder; the control method comprises the steps of obtaining analog quantity which is fed back by a clutch position sensor; judging a deviation value between an actual value and a set value according to the analog quantity, and adjusting an air exhaust duty ratio and an air inlet duty ratio of the clutch air cylinder through an electromagnetic valve if the deviation value is in a preset region; obtaining the position of a current clutch again through the clutch position sensor according to a preset time interval, computing the advancing distance of the clutch along a central shaft, and computing the advancing speed of the clutch; judging whether the advancing speed of the clutch along the central shaft is greater than a set speed upper limit or not, and realizing deceleration through adjusting the clutch air cylinder if the advancing speed of the clutch along the central shaft is greater than the set speed upper limit. According to the automatic clutch actuator and the control method, disclosed by the invention, the movement of the clutch can be more accurately controlled, and the working efficiency of the clutch is increased.

The invention discloses a control device for an automatic dust suppression device by water spray, which comprises a lower chassis and an upper chassis. The upper chassis is provided with a display window and a flap; the flap is provided with a first dust sensor interface, a second dust sensor interface, a light-operated probe interface, a monitoring sub-station interface, a reset button and a power box control line interface; a controller and a terminal are arranged in the lower chassis; a power wiring trumpet-shaped mouth, a ground pole and a connecting control line trumpet-shaped mouth are arranged on the left side of the lower chassis; and a plurality of solenoid valve wiring trumpet-shaped mouths are arranged on the right side of the lower chassis. Therefore, a control device for the automatic dust suppression device by water spray which can control intelligent spraying and synchronously control a plurality of spray points is provided.

The invention relates to a control system, in particular to a building water overflow automatic alarm control system, which aims to solve the problem that a scattered control manner adopted for preventing water overflow of buildings is not suitable for the existing buildings, and centralized control is needed. When tap water or water in a heater accidentally overflows, and overflow sensors are submerged, detection signals are provided for a building water overflow automatic alarm controller by the overflow sensors, the building water overflow automatic alarm controller carries out detection judgment on the signals of the overflow sensors, when the signals meet the action condition of the building overflow automatic alarm controller, a relay control circuit is controlled to act, an alarm circuit is enabled to send out an alarm signal, and an electromagnet valve or an electrically operated valve is driven to act to close an overflow water source. The building water overflow automatic alarm controller comprises one or more hysteresis voltage comparison circuits, and the hysteresis voltage comparison circuits take LM339 voltage comparator integrated circuits as core elements for forming comparison circuits with a hysteresis starting function and a hysteresis closing function. The building water overflow automatic alarm control system is used for monitoring water overflow in the buildings.

A flow path control electromagnetic valve belongs to a liquid control element. The prior art has the defects like complex structure, large occupied space, high manufacturing cost and a cross flow that possibly occurs between two water sources, etc. The flow path control electromagnetic valve of the invention is provided with two inlets and an outlet communicated with the valve cavity of a valve body part. The invention is characterized in that two check valve openings are arranged in the valve cavity; check valve plugs are arranged on the two check valve openings. One valve of the invention is provided with two inlets and one outlet, so as to have the advantages of simple structure, small volume, convenient and reliable use and operation; besides, a reverse impact or cross flow with another flow path can not occur when any flow path is accessed.

The invention discloses a railway carriage watering measuring control system device and a method for metering and monitoring watering. The system comprises m numbered remote control units, n numbered sets of on-site hosts and one set of computer management systems, wherein n is an integer between 1 and 1000, and m is less than or equal to n; each set of on-site hosts comprises an electronic control system and a pipeline system, and the on-site host electronic control system comprises a monitoring center, a flow acquisition unit, a solenoid valve control unit, a data storage unit, a data transmission unit, a wireless data transmission unit, a state indication unit and a voltage-stabilizing power supply unit. The computer management system and each on-site host carry out on-site data transmission by a transmission path. The method for metering and monitoring watering utilizes the system of the invention and adopts remote control software, on-site host software and computer management system software, and a watering operator sends out a specified instruction for switching on or off of a watering plug by a remote control unit so as to realize the purposes of remotely controlling the switching on and off of the watering plug and automatically recording and accurately metering watering flow.

The invention discloses an ultra-low ambient temperature air source heat pump unit using the daily range of the outdoor temperature of a heat storage balance chamber. The heat pump unit comprises a quasi-secondary (two-stage) compressor, an indoor heat exchanger, an economist, a main electronic expansion valve, an outdoor heat exchanger, a first auxiliary electronic expansion valve, a second auxiliary electronic expansion valve, an energy storage water tank, a first solenoid valve, a second solenoid valve, a circulating water pump, a four-way reversing valve, and a gas liquid separator. Duringthe day, at the noon with the not very low outdoor temperature, the unit has excess heat stored in the energy storage water tank, when the outdoor temperature is very low at night, the unit uses thestorage heat to heat and gasify the compressor for gas supplement, the heat absorbed from the outside absorption of the unit is equivalent to the sum of the heat absorbed from the environment of the outdoor heat exchanger and the heat absorbed from the heat storage water of the gas supplement, when the operating state of the compressor is unchanged, the unit heat can be increased by 32% or higher,and the heat requirements in the ultra-low temperature environment of the unit are met, so that the daily range of the outdoor temperature is balanced.

The invention provides a water dividing oil purifier for lubricating oil used by a ship, which has a damping effect. The water dividing oil purifier comprises a rack and an oil liquid tank to be filtered, the rack is provided with an oil pump for extracting oil liquid to be filtered in the oil liquid tank to be filtered, a heater and an oil suction filter are arranged between the oil pump and the oil liquid tank to be filtered, the oil pump is communicated with a coalescing separator through a demulsifying filter, the coalescing separator is further communicated with a water collecting tank and a pre-filter, the pre-filter is communicated with a fine filter, the water collecting tank is communicated with a sewage bin through a solenoid valve, the water collecting tank is further internally provided with an oil-water interface instrument, the fine filter is communicated with the heater, and an oil liquid pollution degree detector is further communicated with an oil liquid collecting box. The water dividing oil purifier is integrated with filtration and dehydration, can operate continuously, is high in purification and dehydration efficiency, does not change the physiochemical property of the oil liquid, prolongs the service life of the oil liquid, saves a large quantity of machine halt maintenance time, provides guarantee for the continuous operation of the ship, guarantees that the equipment does not stop, can be used for carrying out online monitoring to oil liquid cleaness and feeds back to a control system timely.

The invention provides an automatic control multifunctional reactor. An existing reactor adopts a mechanical stirring mode inside the tank to promote liquid flow, and is unsuitable for reaction where requirements for reaction environment are strict. The reactor provided by the invention comprises a bracket (1), a vibration exciter disc (3) is connected on the bracket via a group of springs (2), a vibration exciter motor seat support (4) is connected below the vibration exciter disc, a reaction tank is mounted on the vibration exciter disc, a shell tube heat exchanger (6) is mounted on the tank wall of the reaction tank, a temperature sensor (7) and a pH sensor (8) are separately mounted on the reaction tank, the reaction tank has a gas inlet (9), a gas outlet (10) and a feed inlet (11), a meter (13) and a solenoid valve (14) are mounted at the feed inlet, and the temperature sensor, the pH sensor, the meter and the solenoid valve are all connected with a controller (15). The reactor disclosed by the invention is used for chemical reaction.

The invention relates to a novel device for generating electrolytic ionized water and a method for preparing electrolytic ionized water. The device comprises a purifying setting tank, wherein a hydrodynamic cavitator is connected with the purifying setting tank; an electrolytic raw water mixer is connected with an outlet of the hydrodynamic cavitator; a sodium chloride storage is jointed above the electrolytic raw water mixer; an electrolysis device is connected with the outlet of the electrolytic raw water mixer; a solenoid valve is arranged on a connecting pipeline of the electrolytic raw water mixer and the sodium chloride storage; a controller is connected with the solenoid valve; a concentration detector is arranged in the electrolytic raw water mixer; and the concentration detector is connected with the controller. The preparation method comprises the following steps: pouring raw water into the purifying setting tank and the hydrodynamic cavitator from a water inlet and then pre-treating; pouring the raw water after the cavitating treatment into the electrolytic raw water mixer, thereby preparing into electrolyte water; and pouring the electrolyte water into the electrolysis device, electrolyzing, generating ionized water and draining from the outlet. The device provided by the invention is higher in sterilization and disinfection effect, is capable of intelligently preparing the electrolyte water in corresponding concentration and is more efficient in electrolysis.

The invention discloses a urinal, blockage determination method, alarm method, and flushing control method. In the blockage determination method, the condition of whether a capacitance value increasesor not after a solenoid valve is opened is introduced to avoid misjudgment and false alarm of blockage caused by interruption of water supply of the urinal due to the fact that only the change condition of the capacitance value after the solenoid valve is closed is judged.

The invention discloses a water-saving closestool. The water-saving closestool comprises a urinal and multiple water inlets formed in the upper portion of the urinal, and the water inlets are communicated with a water inlet pipe; a stirring cylinder is connected to the portion below the urinal, and is internally provided with a stirring device; a drainage pipe is connected to the lower end of the stirring cylinder; the water inlet pipe is provided with a water inlet solenoid valve, the drainage pipe is provided with a drainage solenoid valve, and the water inlet solenoid valve and the drainage solenoid valve are connected to a controller separately through a solenoid control circuit; a stepping motor which drives the stirring device to rotate and stir excrement is connected to the stirring device, and is connected to the controller through a motor driving circuit. The water-saving closestool can reduce sewage drainage, and avoid pipe clogging and splashing.

The embodiment of the invention discloses an elastic balance mechanism and an elastic balance type double-acting valve. The elastic balance mechanism may comprise an elastic balance cylinder, a valvecylinder and a power source providing assembly. According to the elastic balance mechanism, when a power source is stable, an elastic piece keeps compressed under the action of the elastic balance mechanism, and a pneumatic valve or an oil pressure valve has normal double-acting opening and closing functions; when the power source is unstable or lost, the elastic piece is expanded immediately under the action of the elastic balance mechanism, and the pneumatic valve or the oil pressure valve is at a fault closing (FC ) position or a fault opening (FO) position; and at the moment, in cooperation with the power-on position and the power-off position of a solenoid valve, the valve can select multiple states such as fault positions of FLC, FLO, EFC and EFO. The elastic balance mechanism in theembodiment can be widely applied to valves such as a stop valve, a butterfly valve, a ball valve, a gate valve and a regulating valve, and is used for coping with the restriction of dangerous workingconditions of air shortage of double-acting valves and the risk of fatigue damage to springs of single-acting valves.

The invention relates to a dual path dual purging system and valve assembly for turbo boosted engines. More specifically, the invention provides an integrated valve assembly connected to facilitate the operation of the low flow valve as a pilot valve for the high flow valve and a system to implement it on turbocharged or supercharged engines. The invention relates to a dual path dual purging system with two purge valves connected to facilitate the use of the low flow valve to be operated as a pilot valve for the high flow valve. This smart routing provides pressure compensation for the high flow valve, when the valve is enabled. This decreases the requirement of force for the high flow valve and gives an option to install a smaller cost efficient solenoid valve.

The invention provides a dual-shaft driven tundish tipping device, which belongs to the technical field of iron and steel casting. The positioning of the tundish is realized through the guide shaft and the guide groove, and then the compression of the guide shaft and the guide groove is realized through the fixed pressure plate and the locking bolt. The locking bolt is connected with the threaded hole of the tundish bracket through the threaded part, and the locking bolt is Partially wedged through wedges. When the tundish is overturned, one end of the first telescopic rod and the second telescopic rod of the double-rod cylinder is fixed. When the solenoid valve fills oil on one side and discharges oil on the other, the cylinder body of the double-rod cylinder pushes to one side, driving the rack to One side moves, and then the gear drives the first shaft and the second shaft to rotate to realize the flipping of the tundish. Compared with the single shaft drive, the dual shaft drive can prevent the tundish from twisting and deforming during the flipping process, and the wedge is used as a fixed pressure plate When the locking part of the tundish is turned over, under the action of pressure, the wedge will be deeply wedged into the bolt, so as to avoid the fatigue failure of the pin and cause fracture.

The invention relates to an improved softened water tank water inlet device which comprises a sodium ion exchanger, and a water inlet pipeline connected with the sodium ion exchanger and a softened water tank, wherein a circulating pipeline is arranged on the water inlet pipeline; a slow-opening electric regulating valve is arranged on the circulating pipeline; the water inlet end and the water outlet end of the circulating pipeline are connected with the water inlet pipeline; and a valve is arranged on the water inlet pipeline between the water inlet end and the water outlet end. Compared with the prior art, according to the improved softened water tank water inlet device disclosed by the invention, the original solenoid valve is changed into the slow-opening electric regulating valve, the water can stably inflow each time after transformation, the water impact is reduced, the water inlet pipeline and the equipment are protected, and the maintenance cycle and cost are reduced.

A safe pure water equipment, the tap water pipe is connected to the water inlet pipe, the tap water becomes pure water through a filter, a booster pump, a osmotic membrane, and is stored in a water storage tank, and the pipe coming out of the water storage tank is equipped with a spectrum multi-parameter On-line detector, electromagnetic valve, water outlet pipe, spectrum multi-parameter on-line detector are electrically connected with data analysis device, and data analysis device is electrically connected with display screen and wireless transmitter. If any data exceeds the alarm value, an alarm signal will be sent immediately, and the alarm The signal is sent to the mobile phone of the management personnel through the wireless transmitter, and at the same time the solenoid valve is closed to stop the water supply; the beneficial effect is: when the pure water making equipment breaks down and causes water pollution, it can immediately call the police and stop the water supply, ensuring drinking water for students Safety.

A filter core-replaceable filter comprises a filter core, a gap is arranged between the filter core and each of the sidewall of a shell and an intermediate disk, gapes are connected to form a filtrate cavity, the upper portion of the shell is provided with a filtrate outlet, the filtrate outlet is connected with the filtrate cavity, the filter core is fixed on the intermediate disk of the filter, the intermediate disk is sleeved on a main shaft, the main shaft is connected with a drive device, the drive device is arranged at the top of the shell of the filter, the lower portion of the shell is provided with a filtrate inlet, the filtrate inlet is connected with the filter core, a dirt outlet is arranged at the top of the shell and is connected with a solenoid valve, a position of the intermediate disk provided with the filter core is provided with a groove, the end portion of the filter core is provided with a projection, the shape and the size of the projection match with the shape and the size of the groove, and the projection is in spiral connection with the groove through a screw thread. When the filter core is replaced or cleaned, the filter core is spirally unscrewed, and a replacing filter core is screwed or the cleaned filter core is afresh screwed, so a complex step of integral replacement is omitted, and the risk of damages of the replacement or cleaning of the filter core to the filter core is reduced.

The invention relates to a low-noise solenoid valve assembly used for a PES headlamp. The low-noise solenoid valve assembly comprises an installing base, a visor and a solenoid valve. Supports used for enabling lens modules to be connected are arranged on the two sides of the installing base. The solenoid valve is installed on the upper portion of the installing base through a solenoid base. Output shafts on the two sides of the solenoid valve are connected with two support pins on the visor. One or more flexible damping blocks is/are installed on the solenoid valve base or/and a solenoid valve shell. At least one flexible damping pad is installed on the visor, and the lower portions of the flexible damping pads stretch out of the lower surface of the visor. In addition, when the solenoid valve drives the visor to rotate upwards, the visor is connected with the flexile damping block, and when the solenoid valve drives the visor to rotate downwards, the visor is connected with a fixing piece on the installing base through the flexible damping pads. The low-noise solenoid valve assembly is simple in structure, and damping and noise reduction can be conducted on the visor during distance light/passing light adjustment of the visor.

The invention discloses a membrane pad type solenoid valve. The membrane pad type solenoid valve comprises a valve seat, a valve body, a movable iron core, movable iron core springs, guide bushings, coils, a membrane pad spring and a membrane pad, wherein the valve body is mounted on the valve seat; the coils are mounted in the valve body; the guide bushings are arranged in the middle of the coils; the movable iron core is arranged in the guide bushings; the top part of the movable iron core is connected with a fixed iron core of the valve body through the movable iron core springs; a baffle plate is arranged in the valve seat; a valve seat groove is formed in the upper part of the baffle plate; the membrane pad is positioned in the valve seat groove and is fixed by the valve body and thevalve seat; the membrane pad spring is connected with the membrane pad and the valve body; a control outlet is formed in the valve seat arranged between the baffle plate and the outlet and is blockedby the membrane pad in a working state; pressure release channels are arranged on the valve seat and the valve body; inlet ends of the pressure release channels are positioned on an inlet-sided valveseat body of the valve seat and is connected with the valve seat groove and a pressure release channel outlet formed in an outlet-sided valve seat body positioned on the valve seat through an internalchannel of the valve body. According to the membrane pad type solenoid valve disclosed by the invention, the solenoid valve can be normally used under high pressure and low pressure, the water outputquantity is extremely great, the sealing property is great, and the performance and using range of a product are greatly promoted.