31results about How to "Effective opening and closing" patented technology

The invention provides a femtosecond heterodyne optical Kerr gate and an imaging device and method based on the optical Kerr gate. A target to be detected, the femtosecond heterodyne optical Kerr gate and a CCD are sequentially arranged on a detection light path of the imaging device, wherein the femtosecond heterodyne optical Kerr gate is composed of a polarizer, an optical Kerr medium and an analyzer, and the heterodyne angle between the polarization direction of the analyzer and the polarization perpendicular direction of a detection pulse ranges from 3 degrees to 5 degrees. An optical delay line and a half wave plate are sequentially arranged on a switch light path, and a switching pulse and the detection pulse coincide inside the Kerr medium. The imaging method includes the steps of dividing a femtosecond pulse into two paths, enabling the detection pulse to enter a sample to be detected and enter the femtosecond heterodyne optical Kerr gate after being reflected and transmitted, opening the femtosecond heterodyne optical Kerr gate through the switching pulse, instantly gating components carrying sample morphology information in the detection pulse, enabling the gated detection pulse to enter the CCD, and obtaining a morphology image of the sample to be detected, wherein the morphology image has ultrahigh time resolution. The femtosecond heterodyne optical Kerr gate and the imaging device and method have the advantages of being simple in light path and extremely short in gating time, enabling the imaging space resolution to be close to the system diffraction limit, and the like.

The invention discloses an intelligently controlled electric curtain. The curtain includes curtain cloth, an action module, a solar charging module, a light control module and a curtain box. The action module includes a track, a synchronous belt and a transmission mechanism. The lower end of the track is connected with a pulley and dossal hanging wheels, the dossal hanging wheels are connected with the curtain cloth, and the pulley is connected with the dossal hanging wheels; the solar charging module includes a solar panel, a boost module and a storage battery; the solar panel is attached tothe outer side face of the curtain box, the solar panel is connected with the boost module, the boost module is connected with the storage battery, and the storage battery is connected with the transmission mechanism; the light control module includes an intelligent main engine and a light sensing component, the intelligent main engine includes an optical signal segmentation module and a control module, and the light sensing component is connected with the optical signal segmentation module, and the control module controls the transmission mechanism. Solar energy is effectively collected in areasonable way, opening and closing of the curtain can be effectively controlled according to the actual condition of the environment, and great convenience is provided to people's life.

The invention provides a vessel pneumatic propulsion system which comprises an air inlet unit and an ejecting unit, wherein the air inlet unit is arranged on a vessel body and is used for guiding outside air into the vessel body after pressurizing and speeding up the outside air; the ejecting unit is arranged on the portion of the vessel body, which is under the water line, and the ejecting unit is used for ejecting the air which is guided into the vessel body towards the rear portion of a vessel to the water; and when the pressure of the air which is guided into the vessel body is larger than the pressure of water on the portion of the ejecting unit, the air which is guided into the vessel body is ejected out through the ejecting unit. According to the vessel pneumatic propulsion system, energy saving can be effectively achieved during a propulsion process of the vessel.

The invention discloses a heat-conducting water vapor circulating anti-liquefaction power box, which structurally comprises a case, a canopy, a base, heat-dissipating openings and a machine door, wherein the machine door is hinged with the case; a door handle is arranged on the machine door; the base is connected with the case in a welding manner; the canopy covers the upper end of the case; a heat dissipation system in the case is matched with the heat-dissipating openings; a sealing plate and a border accessory part are arranged on the edge of a door frame, close to the machine door, of thecase; and when the sealing plate is affected with damp and the airtightness is reduced due to a temperature difference between inside and outside and water mist formed on a board of the sealing plate,the airtightness is reduced, the gas inevitably enters the inside, and the gas is sensed by using gas sensors to trigger a drive motor to work, so that the drive motor drives a telescopic pull rod tohorizontally move on a correcting horizontal shaft in a reciprocating manner; the water mist on the sealing plate can be wiped off to keep dry by using honeycomb sponge; the water absorption rate ismore effectively improved by adopting the honeycomb sponge; the moisture is reduced; and nesting of ants is avoided.

The invention discloses spinning process equipment for polyester production. The spinning process equipment comprises a grading box, a melting furnace, a spinneret device, a condensing box and a bidirectional winding device. The grading box comprises a pulverizing cover and a filtering box. The pulverizing cover is fixedly arranged at the head of the filtering box, and is hermetically connected with the filtering box. The spinning process equipment has the advantages that the structure of conventional spinning equipment for polyester production is improved to solve the problems of non-thorough melting and inconvenience in separation between spinneret plates and silks after spinning due to insufficiently disperse feeding and no cutting and screening structure of existing polyester production equipment, and the problem that winding structures do not have bidirectional winding functions; through the bidirectional winding device, users can conveniently and timely wind the spun silks; a motor is used for winding the silks in both forward and backward directions, so that intertwining during winding is effectively avoided, and the working efficiency is greatly improved.

The invention discloses an extra-high-voltage earthing switch with series-wound main circuit and arc extinguishing chamber for opening and closing an induction current. The extra-high-voltage earthing switch comprises an earthing switch body, an arc extinguishing chamber and an arc extinguishing chamber operation mechanism; the earthing switch body comprises a mounting base, an earthing base, a porcelain bottle, a main earthing knife switch, a small earthing knife switch, a main earthing knife switch operation mechanism and a small earthing knife switch operation mechanism; a main static contact is mounted at the top end of the porcelain bottle; the earthing base is mounted above the mounting base through an insulating column; the bottom end of the main earthing knife switch is mounted on the earthing base and connected with the main earthing knife switch operation mechanism, and a main movable contact is mounted at the top end; the bottom end of the small earthing knife switch is mounted on the mounting base and connected with the small earthing knife switch operation mechanism, a small movable contact is mounted at the top end, and a small static contact is mounted on the earthing base; and one end of the arc extinguishing chamber is connected with the arc extinguishing chamber operation mechanism while the other end is connected with the earthing base. The extra-high-voltage earthing switch has the advantages of simple structure, high reliability, capacity of opening and closing the high-parameter induction current and the like.

The invention relates to a locking apparatus and a cap having the same. The locking apparatus is arranged on a cap which includes a main body part supported by one side of a container opening and an opn-close part that is supported by the main body part and can cover one side of the container opening, the locking apparatus capable of opening or closing a connecting state of the open-close part andthe main body part. The locking apparatus includes: a locking part, one side of which can pressurize one field of the open-close part; a convergence pin which is supported by the main body part and supports convergence of the locking part; an elastic part which provides elasticity to enable one field of the open-close part to be pressurized by the locking part; a movement part, one side of whichmoves in one direction of the locking part and which enables the elastic part to contract; and an open limit part, which is formed by protruding from the main body part and forms a clamp hole to allowinsertion of one portion of the movement part.

A water-spraying nozzle (1) equipped with a main nozzle body (6) in the interior of which a flow path (10) for water is formed, an operating lever (15) attached to the main nozzle body (6) so as to be able to move closer or farther away, an on/off valve (13) for opening/closing the flow path (10), and a relay lever (16) that is rotatably supported on the main nozzle body (6) and has a fulcrum section (17), force point sections (18, 19) abutting against the operating lever (15), and an action point section (20) abutting against the on/off valve (13), the relay lever (16) rotating to open/close the on/off valve (13) in accordance with the positional relationship between the operating lever (15) and the main nozzle body (6), wherein: two or more of the force point sections (18, 19) of mutually different distances from the fulcrum section (17) are provided to the relay lever (16); at a stop-water position of the on/off valve (13), the force point section (18) formed farthest from the fulcrum section (17) is made to abut against the operating lever (15); and at a position of the on/off valve (13) where the opening degree becomes greater than a predetermined degree, the other force point section (19) is made to abut against the operating lever (15). This configuration makes it possible within a water-spraying nozzle to reduce the working load on the operating lever even in a high-water-pressure state of the stop-water position.

The invention discloses a cooking device.The cooking device comprises: a cooking cavity which is communicated with a steam generator and is movably connected with an opening and closing door; a valve piece which comprises a flow inlet and a flow outlet, wherein the flow inlet is communicated with the bottom wall of the cooking cavity; and a flow collecting container which is communicated with the flow outlet and also comprises a water outlet, wherein the water outlet is connected with a first valve body, and the first valve body is suitable for discharging water in the flow collecting container. The valve piece is arranged on the cooking cavity, opening and closing of the valve piece can be controlled according to the pressure intensity in the cooking cavity on the side of the flow inlet and the pressure intensity difference on the side of the flow outlet, the flow collecting container is communicated with the first valve body and the flow outlet, and the pressure intensity on the side of the flow outlet can be effectively controlled by controlling work of the first valve body, so that opening and closing of the valve part can be effectively controlled, high-pressure steam in the cooking cavity can be conveniently discharged, a user is prevented from being scalded when opening the opening and closing door, and meanwhile accumulated water in the cooking cavity can be effectively removed.

The invention belongs to the field of fire protection warning, and discloses an intelligent fire damper and a fire detection system. Thermometers which are used for measuring the temperature difference of rooms are respectively installed on the inner and outer sides of a fire damper; a smoke concentration sensor which is used for detecting smoke is installed on the outer side of the fire damper; an action performing structure of the fire damper, the thermometers and the smoke concentration sensor are in wireless connection with signal receiving nodes; the signal receiving nodes are in wireless(or wired) connection with a cloud system; and control instructions are sent to the action performing structure of the fire damper and an air outlet control structure of an air handling unit by the cloud system through fire operation and reasoning so as to start and stop the movement of the fire damper and an air outlet of the air handling unit or adjust the local flow. The fire damper has doublepreventive effects, the operation of a heating ventilation air conditioning system can be stopped in time, or the local flow is adjusted early, and the fire damper or the air outlet is intelligentlystarted and stopped; according to the design, heating ventilation air conditioning pipelines are combined with a smoke exhaust system, so that the number of the pipelines is greatly reduced.

The invention provides an intelligent classification garbage can with voice-controlled electric push rods. Household garbage classification and storage are completed through intelligent voice recognition and the electric push rods, a garbage can cover is automatically opened through the infrared induction principle when a person approaches, then garbage is put into the garbage can, only the name of the garbage needs to be said, the garbage can determines the type of garbage through voice recognition, and after the garbage is classified, garbage trays of corresponding garbage storage grids canbe automatically opened, so that the garbage falls into the garbage storage grids, and automatic garbage classification is realized. By means of the intelligent classification garbage can, garbage isintelligently classified, and fool-type garbage classification can be achieved during household use.

The invention discloses an electromagnetically controlled anti-leakage water storage gate for sewage, and relates to the technical field of sewage. The electromagnetically controlled anti-leakage water storage gate for the sewage comprises a gate body; the middle part of the gate is rotatably connected with a rotating block; the middle part of the rotating block is rotatably connected with a screwrod which penetrates through and extends to the top of the gate body; the middle part of the bottom of the screw rod is fixedly connected with a first magnetic block; the outer side of the bottom ofthe screw rod is connected with clamping blocks which are distributed uniformly; and the middle part of each clamping block is fixedly connected with a second magnetic block. According to the electromagnetically controlled anti-leakage water storage gate for the sewage, through the matching of an electromagnet body and a third magnetic block, when water is stored, the electromagnet body is startedto generate magnetism to move the third magnetic block outwards and make anti-leakage plates pop out outwards quickly to seal a gate opening; and when the water is drained, the electromagnet body does not work, the anti-leakage plates are retracted into the gate body to effectively reduce the friction force between the gate body and the gate opening, which facilitates the ascending and descendingof the gate, reduces the wear of the gate, and prolongs the service life of the gate, thereby achieve a telescopic effect, and effectively ensuring the normal working and opening of the gate.

The invention discloses a self-cleaning type garbage transport vehicle, and relates to the technical field of garbage transport vehicle cleaning. The garbage transport vehicle comprises a vehicle head, tires and a carriage; side plates are arranged on the front side and the rear side of the carriage; a cover plate is arranged above the carriage; slide grooves are formed in the upper end of the side plates; a sliding mechanism is arranged at the lower end of the right side of the cover plate; a protective layer is arranged on one side of the carriage; a lifting mechanism is arranged at the upper end inside the protective layer; the lifting mechanism comprises a screw rod, a fixed plate and a rotating sleeve; the sliding mechanism comprises a slide column and a rotating wheel; second spraying ports are formed in both the left and right sides of the inner side upper ends of the side plates; traction rollers are arranged on two sides at the bottom of the carriage; the traction rollers areconnected by a transmission caterpillar band; and a plurality of cleaning roller brushes are arranged between the lower part of the transmission caterpillar band and the bottom of the carriage. The garbage transport vehicle overcomes the deficiencies of the prior art, use is convenient, high-efficiency and rapid cleaning of the garbage transport vehicle can be realized, and the cleaning efficiencyof the garbage transport vehicle can be improved.

The invention relates to a low-multiple foam generator, and belongs to the technical field of fire-fighting equipment. The low-multiple foam generator solves the problems that an existing low-multipleair foam generator is unreasonable in inner side structure and easy to break and needs to be replaced frequently. The low-multiple air foam generator comprises a water intake section, a nozzle and anair filter screen. The water intake section is used for feeding water. The nozzle is connected to the rear side of the water intake section. The air filter screen is connected to the rear side of thenozzle. A water outlet end sealing mechanism for controlling water flow intake and leaving is connected to the rear side of the air filter screen. The water outlet end sealing mechanism comprises a water outlet end shell connected to the air filter screen. A repeated sealing valve clack mechanism is arranged in the water outlet end shell. A repeated sealing valve clack mechanism is pressed on a sealing flange through an elastic assembly arranged at the rear end of the repeated sealing valve clack mechanism. The sealing flange is connected to the rear end of the air filter screen.

The invention is applicable to the technical field of sewage treatment, and provides a sewage treatment device for canned fruit processing. The sewage treatment device comprises a bearing device, a quantitative adding device and a control system, wherein a cleaning device and a conveying device are installed in the bearing device; the quantitative adding device comprises an adding box, a guide rail, a moving block and a guide device, the adding box is connected with the moving block through the guide device, a top plate is connected with the box body through a reset piece, and a feeding hole is formed in the box body; the guide device comprises a guide rod, a connecting block and a rotating piece, the upper end of the connecting block is fixedly connected with the adding box, the rotatingpiece comprises a rotating sleeve and a support, and the rotating sleeve is connected with the guide rod in a sleeving manner; a moving block sleeves the guide rail; and a top cover device is arrangedat the other end of the guide rail and comprises a vertical rod, a transverse rod and a top rod, and the vertical rod is perpendicularly connected with the transverse rod. Therefore, the wastewater treatment device can be used for effectively treating wastewater with different drug concentrations, and working efficiency and working quality are improved.

The invention discloses a storage device and a drawer closing method thereof. According to the storage device, one of a motor or a rack for driving a drawer is arranged on an installation base, the installation base is arranged on an energy storage mechanism, when the drawer is opened, a gear and the rack are unhooked, and the installation base is located at a high position; when the gear and the rack are meshed, the installation base is located at a low position; a position detection device is combined to determine the position of the installation base; when the installation base is in the low position, the motor is controlled to be started to enable the drawer to be automatically closed; and when the drawer needs to be closed, pushing force only needs to be applied to any position of the front end of the drawer, compared with pressing of a button at a specific position, operation is easier, and the storage device is more suitable for pharmacy application. Meanwhile, when a worker in front of the drawer collides with the opened drawer, the drawer can automatically trigger the motor to close the drawer under the action of thrust, so that hard collision between the drawer and the worker is effectively avoided, and the safety is fully improved.