80results about How to "Guaranteed normal opening and closing" patented technology

The invention relates to a device for testing material properties in a high-temperature hydrogen environment. The device comprises a hydrogen environment box and a host machine loading framework, wherein a test sample is arranged in the hydrogen environment box; a pull rod is mounted on the host machine loading framework; the hydrogen environment box is arranged on the host machine loading framework; an upper clamping part, a lower clamping part and an electrical heating component are arranged in the hydrogen environment box; the pull rod penetrates through the hydrogen environment box and is fixedly connected with the lower clamping part; the hydrogen environment box is connected with a hydrogen supply pipe; an air-relief solenoid valve is arranged on the hydrogen environment box. The device further comprises sensors and a control component, wherein the sensors are used for monitoring test sample stress load, test sample deformation, test sample environment temperature and test sample ambient hydrogen pressure; the control component is used for monitoring and processing the information collected by the sensors. The device can be used for testing the creep property, stress rupture property and tension-tension alternating load fatigue property of a metal material in the hydrogen environment, can ensure the accuracy of testing results, works reliably and stably and has high efficiency.

The invention discloses an Internet of things palmar vein video entrance guard integrated system, which comprises a cloud server, entrance guard controllers in each cell gate in each cell, and proxy servers in each cell, wherein the cloud server and the proxy servers in each cell are mutually connected; the proxy servers regularly synchronizes the door opening right information of the cloud server; the input ends of the entrance guard controllers are electrically connected with the output end of the proxy servers; the entrance guard controllers control the opening or the closing of the cells;the entrance guard integration system also comprises a palmar vein entrance guard system, an IC entrance guard system, a visual telephone entrance guard system, a mobile phone MAC address entrance guard system and a human face recognition entrance guard system. The entrance guard integrated system integrates various entrance guard systems; great convenience is provided for the access of residents;meanwhile, the safety performance is improved; the residents in the cells can be conveniently and intelligently managed.

The invention discloses an air-cooling refrigerator. The air-cooling refrigerator comprises a refrigerating chamber, a freezing chamber and a cavity where an evaporator is installed. An air inlet of the refrigerating chamber is communicated with an air outlet of the cavity where the evaporator is installed, and an air return port of the refrigerating chamber is communicated with an air inlet of the cavity where the evaporator is installed. An air inlet of the freezing chamber is communicated with the air outlet of the cavity where the evaporator is installed, and an air return port of the freezing chamber is communicated with the air inlet of the cavity where the evaporator is installed. The air inlet of the refrigerating chamber is communicated with the air outlet of the cavity where the evaporator is installed through a first air duct, and the air inlet of the freezing chamber is communicated with the first air duct through a second air duct. The air inlet of the refrigerating chamber is provided with a first fan and a first mechanical door which can be opened or closed automatically under the action of pressure difference, and the first fan is communicated with the air inlet of the refrigerating chamber. The air inlet of the freezing chamber is provided with a second fan and a second mechanical door which can be opened or closed automatically under the action of pressure difference, and the second fan is communicated with the air inlet of the freezing chamber. The second fan and the first fan are arranged in a linked mode.

The invention discloses a safety relay redundant control system used for subway platform screen doors, which includes a safety relay control module (RM), an electronic control module (EM), and a mode selector switch. When the safety relay control module cannot output an effective command, the electronic control module sends out door opening, door closing, flexible door closing and other commands to the whole side of a DCU group, and the problems that screen doors on the whole side cannot be opened and further influence passengers who get on or off the subway can be avoided.

The invention discloses a smart access control system based on city Internet of Things and a security system. The smart access control system comprises a cloud server, an agency server, a motor vehicle access control system, a non-motor vehicle and person access control system, a cell gate access control system, a building anti-climbing system, a three-dimensional real scene map and a GIS (geological information system), wherein the motor vehicle access control system, the non-motor vehicle and person access control system, the cell gate access control system and the building anti-climbing system are respectively connected with the cloud server; the cell gate access control system comprises an IC (integrated circuit) card access control system, a video telephone access control system, a human face recognition access control system, a mobile phone MAC (media access control) address access control system and a palm vein access control system. The smart access control system and the security system have the advantages that the communities in the city Internet of Things are displayed in the three-dimensional real scene map, then the authority management is performed on persons, motor vehicles and non-motor vehicles in the communities, and the entry and exiting at the entrance and cell gates of the communities can be monitored, so as to improve the intelligence management of the community, and facilitate the public security system to supervise and manage.

The invention discloses a method for automatically carrying out thermoregulation control on a molding mould of an I.S. machine. The method comprises the following steps: A, obtaining a real-time temperature of a glass mould; B, obtaining a preset temperature of the glass mould; C, judging whether to cool the glass mould or not according to the real-time temperature and the preset temperature, if the real-time temperature is higher than the preset temperature, controlling a solenoid directional valve of a cooling gas cylinder to switch on, opening a valve of the cooling gas cylinder, and cooling the glass mould, if the real-time temperature is not higher than the preset temperature, controlling the solenoid direction valve of the cooling gas cylinder to switch off, closing the valve of the cooling gas cylinder and stopping cooling of the glass mould. The invention further discloses a device for automatically carrying out thermoregulation control on the molding mould of the I.S. machine. According to the invention, the on-off of the solenoid direction valve of the cooling gas cylinder, the opening-closing of the valve and the opening of the glass mould are guaranteed to be synchronous, so that the air quantity of the cooling air output to the glass mould by the cooling gas cylinder is effectively controlled, the automatic regulation on the temperature of the glass mould is realized, and the quality of glass products is improved.

The invention discloses a refrigerator capable of preventing water drop overflowing of a refrigeration chamber. A water accumulation tank plate is arranged on the front side of a refrigerator body; a water accumulation tank is formed in the top of the water accumulation tank plate; a first front drain hole is formed in the lowest end of the tank bottom of the water accumulation tank plate; a first back drain hole is formed in the back part of the bottom surface of the refrigeration chamber; a water inlet end of the first back drain hole is communicated with the first front drain hole through a first water pipe; a water outlet end of the first back drain hole is connected with a first drain pipe; a second front drain hole is formed in the middle part of the tank bottom of the water accumulation tank plate, and is communicated with the second back drain hole through a second water pipe; the second back drain hole is communicated with the upper end of a second drain pipe; and a water receiving tank plate is arranged rightly below the water outlet ends of the first drain pipe and the second drain pipe. The refrigerator can receive water drops carried out by a vegetable and fruit tank through the water accumulation tank plate; and meanwhile, water in the water accumulation tank is drained through the first drain pipe and the second drain pipe, and the two drain pipes can timely drain to prevent excessive deposition in the water accumulation tank plate.

The invention relates to the technical field of protecting doors, and discloses a water-cooling fire exit door structure. The water-cooling fire exit door structure comprises a door frame and a door sheet, wherein a water storage cavity is formed in the door sheet; a water inlet and a water outlet are formed in the water storage cavity; the water inlet is positioned below the water outlet; rotary sleeves are respectively fixed on the water inlet and the water outlet of the door sheet, and are hermetically inserted in sleeves which are fixedly arranged on the door frame; a through hole is formed in each rotary sleeve; liquid flows through the through holes; one end, which is far away from the corresponding rotary sleeve, of each sleeve is connected with a water feeding tube or a water draining tube; and the water feeding tube is connected with a water pump. By the scheme, a traditional hinge type door opening and closing mode is guaranteed, condensate water in the water storage cavity of the door sheet flows continuously, and the water-cooling fire exit door structure is safe and reliable, and is reasonable in structure.

The invention relates to an SSCB-based coal mine power grid fast fault current limiter which is mainly used for limiting the current of a coal mine power supply network. The fast fault current limiter is connected in series to a power supply line of a coal mine power grid to limit the short-circuit current of the coal mine power grid. The fast fault current limiter comprises a normal flow loop, a fault current limiting circuit, and a fault judging part. The normal flow loop includes a main switch-off loop and an auxiliary switch-off loop. The main switch-off loop adopts a diode bridge rectifier circuit to convert alternating current into direct current for control, and on-off control of the direct-current loop part is realized by an insulated gate bipolar transistor. The auxiliary switch-off loop is a fast switch-off auxiliary loop composed of a resistor, a capacitor and a gate turn-off thyristor, and is used to quickly switch off the normal flow loop. The invention provides an SSCB-based coal mine power grid fast fault current limiter which reduces the short-circuit current in the case of failure to improve the residual voltage of a bus when a coal mine power grid fails and further ensure normal power supply of other lines connected to the bus.

The invention belongs to the technical field of smart homes, in particular to a window capable of being remotely controlled to open and close and based on smart homes. The problem that most people arenot willing to open and close the window due to the habit of lying on the bed when getting up in the morning is solved. According to the following scheme, the window capable of being remotely controlled to open and close and based on smart homes comprises a glass body and a fixed box, wherein a cavity is formed in the fixed box, and the fixed box is of a box structure. Rectangular holes and external holes with the same size are separately formed in the two opposite side faces of the fixed box, transverse strip-shaped holes communicating with the rectangular holes are formed in the top end edges of the rectangular holes, C-shaped slide rails are connected into the strip-shaped holes in a clamped mode, rolling wheels are slidably connected to the positions which near the two sides and are located in siding grooves in the C-shaped slide rails, and shaft rods are connected to the middle of the rolling wheels. According to the window capable of being remotely controlled to open and close and based on smart homes, the range of the window and curtain can be automatically opened according to the detected illumination intensity, and when a user feels that the light intensity is too strong,the window and curtain can be closed by a remote controller, and the illumination intensity can be determined according to the adaptation degree of the user to the light.

The invention discloses a screen plate falling monitoring device of a medium drainage screen. The screen plate falling monitoring device of the medium drainage screen comprises a foreign object detection box, an undersize pipeline, a detection module and a control unit. The foreign object detection box is connected with the undersize pipeline, a grate is arranged at the bottom of the foreign object detection box, and a detection box cover plate is arranged on the top of the foreign object detection box. The detection module is arranged on the foreign object detection box and used for detectingthe position of the detection box cover plate. When the height of materials accumulated in the foreign object detection box is equal to a certain value, the detection box cover plate is prompted to move, and the control unit outputs an alarm signal. The hysteresis problem of human experience fault judgment is solved, and the timeliness and practicability advantages of the device are highlighted.

The invention discloses a micro-energy optimization management system applicable to intelligent power distribution equipment. The system comprises a micro-energy source collection unit, a DC/DC system power unit and a CPU, wherein the micro-energy source collection unit is connected with the input end of the DC/DC system power unit and the input end of an operation energy storage module; the DC/DC system power unit is connected with the CPU, a system energy storage module and a wireless communication module; the CPU is connected with the operation energy storage module, the system energy storage module and the wireless communication module; the operation energy storage module is further connected with a power distribution switching mechanism gate opening and closing unit; the system energy storage unit is further connected with a failure indication unit and the wireless communication module. The intelligent distribution network technology is fully utilized, so that efficient collection and storage of micro-energy are achieved, energy distribution is optimized, and the problem existing in electricity taking of a controller under the condition of micro-energy is solved. Integrating the micro-energy optimization management system, the micro-energy storage algorithm and the energy distribution algorithm, the whole power distribution switching equipment maximizes functions and energy efficiency and is reliable and practical.

The invention discloses a micro normally closed electromagnetic valve with two-stage gag bit structures. The micro normally closed electromagnetic valve mainly consists of a coil cover (1), a coil module (2), a pole shoe module (3), a spring (4), a gag bit module (5), an ejector rod (6) and a valve body (7). In the assembly process, the coil (2) and the coil cover (1) sleeve the pole shoe module (3) in succession; the right end of the coil cover (1) is fixedly welded with the pole shoe module (3); after the ejector rod (6) is mounted in the gag bit module (5), the ejector rod (6) and a springare pressed into the pole shoe module (3); finally, the valve body (7) is pressed into the pole shoe module; and the valve body (7) and the pole shoe module (3) are fixed through electronic beam welding to finish assembly of a whole valve assembly. The electromagnetic valve adopts split two-stage gag bit structures to improve the opening electromagnetic force of the electromagnetic valve; and under the same performance indexes, the volume and the mass of the electromagnetic valve are about 50% of that of a traditional electromagnetic valve.

The invention discloses a self-filtering sealing device of a deep self-filtering sealing water collector, and relates to the technical field of environmental protection and water resource monitoring. The self-filtering sealing device comprises a round hollow self-filtering gasket, a round self-filtering filter screen, a self-filtering seal cover base, a self-filtering sealing ring, a self-filtering seal cover positioning support, a self-filtering seal cover and a self-filtering seal cover limit frame, wherein the hollow self-filtering gasket is fixed on a bottom counterweight water inlet module through an annular thread, and the hollow self-filtering gasket, the round self-filtering filter screen, the self-filtering seal cover base and the self-filtering sealing ring are sequentially connected from bottom to top; the self-filtering seal cover positioning support and the self-filtering seal cover limit frame are fixed at the left end and the right end of the self-filtering seal cover base respectively; a left end point of the self-filtering seal cover is connected with the self-filtering seal cover positioning support. The round self-filtering filter screen is used for preliminarily and automatically filtering impurities, and automatic opening and closing of the self-filtering seal cover are realized according to buoyancy and resistance of water; the self-filtering sealing device is simple in structure, convenient to carry, durable in use and easy to popularize and has remarkable economic benefits.

The invention discloses mold sand quality detection equipment, which comprises a box body, wherein a total cavity with a rightward opening is formed in the box body, a display screen is fixedly connected to the right side end surface of the box body, and is used for displaying detection data, a mold sand moisture detection device is arranged on the right side of the total cavity, a mold sand quantitative measuring device is arranged on the left side of the box body and is used for continuously and quantitatively measuring mold sand, a mold sand transfer device is arranged between the mold sandquantitative measuring device and the mold sand moisture detection device, an aluminosilicate detection device is arranged on the lower side of the mold sand moisture detection device, and the mold sand moisture detection device is provided with a U-shaped cavity. According to the invention, fixed-point collection of distilled water can be achieved in a mold sand drying process, the weight of thecollected distilled water can accurately reflect the water content in mold sand, and the aluminosilicate detection device can determine whether aluminosilicate detection is conducted according to themoisture detection result, so that the mold sand quality detection can be achieved.

The invention relates to a novel electronic throttle valve body for a diesel engine. The electronic throttle valve body comprises a throttle valve body (1), a throttle valve shaft (2), a throttle valve sheet (3), a position sensor (4), a direct current motor (5), a motor gear (12), an intermediate gear (13), a sector gear (19) and a torsion spring (10), the throttle valve shaft (2) is rotatably mounted in the throttle valve body (1), and the throttle valve sheet (3) is fixedly mounted on the throttle valve shaft (2). The direct current motor (5) is installed on one side of the throttle valve body (1), the motor gear (12) is installed on an output shaft of the direct current motor (5), the intermediate gear (13) is rotatably installed on the throttle valve body (1), the intermediate gear (13) is meshed with the motor gear (12), the sector gear (9) is meshed with the intermediate gear (13), the torsion spring (10) is sleeved on the sector gear (19), and two ends of the torsion spring (10) are fixed on sector gear limiting support legs (19). The gas saving effect is achieved through simple transformation of internal parts.

The invention relates to a safe and intelligent hydraulic manhole cover for a comprehensive pipe rack. The safe and intelligent hydraulic manhole cover comprises a manhole cover body, a shaft lining,double-shaft lugs I, a T-shaped thread groove, a wide shaft lug, a handle, a heat detector, a double-guide sleeve fixing plate, a fixed support, a pressure switch, a guide sleeve, guide locating rods,a fixed plate, a double-lug seat, a hydraulic cylinder, a double-shaft lug II, a fixing sleeve, a proximity switch, a bidirectional hydraulic lock, an external manually opened oil pipe, an external manually closed oil pipe, a hydraulic cylinder rodless oil supply and return pipe, a hydraulic cylinder sucker rod oil supply and return pipe, an arc-shaped light curtain, a support rib plate, a sealing ring, a mounting part, a locating plate and a shaft lug support plate. The safe and intelligent hydraulic manhole cover is simple in structure, convenient to install and smooth in opening and closing, and can realize intelligent opening and closing control in multiple modes; the safe and intelligent hydraulic manhole cover is provided with multiple stages of safety control devices, so that the safe opening and closing the manhole cover is guaranteed; the safe and intelligent hydraulic manhole cover is larger in well mouth space under the condition of the same outline dimension.

The invention discloses a steel fireproof door for an inflammable storage warehouse, and relates to the technical field of fireproof doors. The steel fireproof door aims at solving the locking problem. The steel fireproof door specifically comprises a door frame, door leaves, a connecting mechanism used for connecting the door frame with the door leaves, closing mechanisms used for ensuring that the door leaves are normally closed and an automatic locking mechanism used for locking the door leaves when a fire occurs, wherein the automatic locking mechanism comprises clamping blocks arranged inone of the door leaves and clamping grooves formed in the other door leaf and matched with the clamping blocks; and containing grooves are formed in the inner walls of the door leaves, and containingcylinders are fixedly arranged on the inner walls of the containing grooves. According to the steel fireproof door for the inflammable storage warehouse, by arranging the automatic locking mechanism,if the fire occurs, liquid inside the containing cylinders is heated and evaporated, therefore the internal pressure intensity of the containing cylinders is sharply increased, locking pistons push piston connecting rods to stretch out, and then the clamping blocks stretch out and are inserted into the clamping grooves, so that it is guaranteed that the two door leaves are mutually locked, and the blocking effect is safely and reliably achieved.

The invention discloses an anti-abrasion sliding support hinge which has a five-connecting-rod structure and is suitable for middle-size and large-size safety type casement windows. The sliding support hinge comprises a sliding rail, a first sliding block, a first supporting cantilever, a second supporting cantilever, a third supporting cantilever, a fourth supporting cantilever and a top supporting cantilever, and is characterized in that the first sliding block is a lengthened sliding block; the fourth supporting cantilever is hinged with a second sliding block; the second sliding block is provided with a friction pad and is inserted below the edge of the sliding rail. By the sliding support hinge with the five-connecting-rod structure, the contact stress surface between the edge of the sliding block and the edge of the sliding rail is greatly increased, so that the bearing capacity and the abrasion resistance of the sliding block are improved; and the sliding block cannot slide off the sliding rail because of outer force or abrasion.

The invention discloses a water passing capping device for a deep self-filtering sealed water fetcher, and relates to the technical fields of environmental protection and water resources monitoring. The water sealing device is an indispensable and important functional part of the deep self-filtering sealed water dispenser, including the water sealing base, the water sealing ring, the water sealing cover positioning bracket, the water sealing cover, the water sealing Cover limit frame and water-through-wall water-passing sleeve; in the water-through-wall water-passing sleeve, from bottom to top, the water-passing cover base, water-passing sealing ring and upper hollow connection module are connected in sequence; The left and right ends on the cover base are respectively fixed with a water sealing cover positioning bracket and a water sealing cover limit frame; the left end point of the water sealing cover is connected with the water sealing cover positioning bracket. The invention can obtain a high-quality water sample whose impurity has been preliminarily filtered, accurately positioned, sealed and not mixed; the whole device has a simple structure, is convenient to carry, is durable, has remarkable economic benefits, and is easy to popularize.

The invention relates to a workpiece double-color forming mold. The workpiece double-color forming mold comprises a hard mold and a soft mold which are arranged in parallel. The hard mold comprises a hard mold body and a first manipulator, and both the hard mold body and the first manipulator are provided with a plurality of groove bodies. When the hard mold body and the first manipulator are combined, the groove bodies of the hard mold body and the groove bodies of the first manipulator are oppositely sealed and jointly form a plurality of chambers of workpiece hard body structures. The soft mold comprises a soft mold body and a second manipulator, and both the soft mold body and the second manipulator are provided with a plurality of groove bodies. When the soft mold body and the second manipulator are combined, the groove bodies of the soft mold body and the groove bodies of the second manipulator are oppositely sealed and jointly form a plurality of chambers of workpiece body structures. Each workpiece body is composed of a workpiece hard body and a workpiece soft body in a combined mode. The hard mold body and the first manipulator serve as one mold, the soft mold body and the second manipulator serve as one mold, in this way, the dual-purpose functions of the manipulators are achieved, the manipulators can transfer injection molding products and can also be used as the molds, and mold rotating operation is avoided.

The invention relates to an air door for a refrigerator. The air door comprises a rotating shaft, an air door connecting plate and an air door. The air door is characterized in that a waterproof film is pasted at the back side of the air door, and the waterproof film is made of anti-freeze cotton. In the invention, the waterproof film is pasted at the back side of the air door, thus steam generated in the using process cannot remain on the surface of the air door, and frosting cannot be generated on the back side of the air door and water residues are difficult to generate, thereby the problem of frosting is solved, the normal opening, closing and using of the refrigerator air door are guaranteed, and the control precision of the refrigerator is improved.

The invention discloses a movable processing workshop and an application method thereof. The workshop comprises at least two workshop single bodies with different sizes. Each workshop unit comprises a ceiling (1), two side walls (2) and two sliding rails (3). Two sides of each ceiling (1) are fixed at top ends of the two side walls (2). A roller (4) is arranged below each side wall (2). The roller (4) of each side wall (2) is located on the same sliding rail (3). A small workshop single body can be accommodated into a large workshop single body. The key of the application method lies in the fact that workshop single bodies are pushed along the sliding rails (3) when members are hoisted in or out, thereby contracting the overall processing workshop. The movable processing workshop and the application method thereof enable the members to be hoisted in and out of the workshop conveniently and rapidly.