32results about How to "Timely closure" patented technology

The invention discloses a mixing type extruder for refrigerator door seal machining. The mixing type extruder comprises an extrusion pipeline; a driving device is connected with one side of the extrusion pipeline; an extrusion port is formed in the other side of the extrusion pipeline; a feeding hopper is formed in the top of the side, close to the driving device, of the extrusion pipeline; a vertical first connection frame is arranged on the extrusion pipeline on one side of the feeding hopper; a vertical second connection frame is arranged at the top of one side, close to the extrusion port,of the extrusion pipeline; a fixed sleeve is mounted in the upper inner side of the second connection frame; and one end of the fixed sleeve is connected with a first limiting block. During the use,the mixing type extruder is convenient to close the extrusion port in time to prevent redundant mixed materials from being extruded, and convenient to clean the dust on the outer side of the extrusionport when the dust falls to the outer side of the extrusion port; and a protection cover is closed one the outer side of the extrusion port to play a dustproof role for the extrusion port, so that the using of the users is more facilitated.

The invention discloses an OLED screen body of a fuse-type short-circuit prevention structure, and a screen body drive circuit for providing a compensating current for the OLED screen body when the OLED screen body is short-circuited to burn a short-circuit point, and returning the current to a normal value when the short-circuit point is burnt down. The drive circuit comprises a power supply circuit for supplying power to the OLED screen body, a current compensation circuit for supplementing a current to the OLED screen body, a switching circuit connected between the current compensation circuit and the OLED screen body, and a control circuit. When the control circuit controls the switching circuit to be turned on, the current compensation circuit starts to provide the compensating current for the OLED screen body; when the control circuit controls the switching circuit to be turned off, the current compensation circuit stops the providing of the compensating current for the OLED screen body. The circuit can timely burn down the fuse structure under the condition that the screen body is short-circuited, so as to protect other light emitting regions of the screen body from being affected, and prolong the service life of an OLED product.

The invention discloses a spittoon trash can with an amplifying circuit. The spittoon trash can comprises a sputum pocket, a box body, a box cover, a solar cell panel and a single chip microcomputer. The bottom of the sputum pocket is connected to the bottom of the side wall of the box body through a shaft, a stepping motor is arranged on the shaft, the side wall of the sputum pocket is fixed on the side wall of the box body, the side wall of the sputum pocket is made of flexible materials, the end wall of the sputum pocket is in an arc shape, and the arc length of the end wall of the sputum pocket is larger than the length of the side wall of the box body. The solar cell panel is electrically connected with the single chip microcomputer, the output end of the single chip microcomputer is connected with the stepping motor, and the single chip microcomputer is arranged in the box cover. A proximity switch is arranged on the side wall of the box body, an infrared sensor is arranged at the opening position of the sputum pocket, the proximity switch and the infrared sensor are both connected to the input end of the single chip microcomputer, and the amplifying circuit, a sampling circuit and a filter circuit are sequentially in series connection between the proximity switch and the single chip microcomputer. The purposes of storing sputum conveniently and protecting the environment are convenient.

An express cabinet comprises a cabinet door opening and closing device and a cabinet door storage device, a cabinet door of the express cabinet is connected with the cabinet door opening and closing device, the cabinet door opening and closing device controls opening and closing of the cabinet door, and when articles are filled, the cabinet door opening and closing device opens the cabinet door toa preset angle. The cabinet door storage device stores the cabinet door to the side face of the express cabinet. The express cabinet can be well matched with automatic filling equipment, and automatic filling of expresses is achieved.

The invention discloses a spittoon trash can which comprises a sputum bag, a box body, a box cover, a solar cell panel and a single chip microcomputer. The bottom of the sputum bag is connected to the bottom of the side wall of the box body through a shaft, the shaft is provided with a step motor, the side wall of the sputum bag is fixed to the side wall of the box body, the side wall of the sputum bag is made of flexible materials, the end wall of the sputum bag is arc-shaped, the arc length of the end wall of the sputum bag is larger than the length of the side wall of the box body, the solar cell panel is in electric connection with the single chip microcomputer, the output end of the single chip microcomputer is connected with the step motor, the single chip microcomputer is arranged in the box cover, the side wall of the box body is provided with an approach switch, an opening of the sputum bag is provided with an infrared sensor, and the approach switch and the infrared sensor are connected with the input end of the single chip microcomputer. The aims that sputum can be conveniently stored and environment is protected are achieved.

The invention discloses a spittoon trash can with a filtering circuit. The spittoon trash can comprises a sputum bag, a box body, a box cover, a solar cell panel and a single-chip microcomputer, wherein the bottom of the sputum bag is connected to the bottom of the side wall of the box body through a shaft, a stepping motor is arranged on the shaft, the side wall of the sputum bag is fixed to the side wall of the box body, the end wall of the sputum bag is in the shape of an arc, the length of the arc of the end wall of the sputum bag is larger than the length of the side wall of the box body, the solar cell panel is electrically connected with the single-chip microcomputer, the output end of the single-chip microcomputer is connected the stepping motor, a proximity switch is arranged on the side wall of the box body, an infrared sensor is arranged on an opening of the sputum bag, both the proximity switch and the infrared sensor are connected to the input end of the single-chip microcomputer, an amplifying circuit, a sampling circuit and the filtering circuit are sequentially connected in series between the proximity switch and the single-chip microcomputer, and the filtering circuit comprises an operational amplifier A1, a capacitor C1, a capacitor C2 and a capacitor C3. Thus, sputum can be conveniently stored, and the environment can be protected.

The invention discloses a novel self-stabilizing valve, which belongs to the field of valves. A novel self-stabilizing valve is provided with a pouring cylinder, and the rear end of the pouring cylinder is connected with a flow reducing block. , the first lamination panel and the second lamination panel are opened, and when the grease injection stops, the first lamination panel and the second lamination panel, whose internal material is rubber, are closed under the action of the memory recovery elastic force, which can effectively It can effectively prevent air and impurities from entering the inside of the grease injection port, which can effectively protect the valve. With the injection of grease, the grease impacts the buffer tank, which promotes the force of the buffer tank and makes the binding parts rotate. , the rotation of the restraints promotes the constant grouting pressure, on the other hand, it facilitates the extrusion of the flexible membrane, and then facilitates the release of lubricating oil to the ball, which facilitates the lubrication of the joint between the ball and the valve stem, which can effectively reduce energy consumption .

The invention discloses a smart street lamp monitoring system, including a street lamp, a charging pile, a display, a camera, an emergency video intercom, a speaker, a 5G base station, a cooling fan, an environmental monitoring module, a serial port server, a switch, POE, an optical modem, a router, NB‑IoT module, DTU module, AP and smart street lamp monitor, street lamp, charging pile, display, camera, emergency video intercom, speaker, 5G base station, cooling fan, environmental monitoring, serial server, switch, POE, optical modem and The smart street lamp monitor is connected through the power line, the router, NB‑IoT module, DTU module and the smart street lamp monitor are connected through the power line and signal line, and the charging pile, display, camera, emergency video intercom, speaker, serial port server, router and The switches are connected through signal wires; the present invention provides a smart street lamp monitoring system that enables more intelligent street lamp management and makes each terminal device work more stably and reliably.

The invention belongs to the technical field of recycling waste refrigerators, and specifically discloses a fully enclosed automatic dismantling production line for waste refrigerators, including an operating system and a PLC control system. The volatilization room, isolation room II, output transmission device, and harmful gas treatment room are also included; a compressor treatment room is provided on one side of the compressor separation room, and the compressor treatment room is connected with isolation room III and waste oil treatment equipment; isolation room I, The compressor separation chamber, box gas volatilization chamber, isolation chamber II, compressor processing chamber, and isolation chamber III are all provided with exhaust devices connected to the harmful gas processing chamber. The present invention also provides a production method at the same time, by placing the entire dismantling process of the compressor in a closed space, there is no pollution leakage during the entire operation process.

A bilateral expanding excavation construction method for a middle pilot tunnel of a tunnel is provided. Section or excavation width of the middle pilot tunnel is generally not larger than that of a common double-line or double-lane tunnel; a step construction method is adopted, and the construction method is the same as that of a common double-line or double-lane tunnel; and the construction method is familiar to constructors, and the construction difficulty is avoided. A primary support section of the middle pilot tunnel can be expanded and excavated after being closed by at least 3 meters; if a side tunnel face is stable, and the problem of the operation height of manual installation of a steel frame and an anchor rod is solved, one-time excavation and support can be achieved, and the construction is more convenient; or otherwise, a side tunnel is excavated according to a two-step or three-step method. The primary support of the middle pilot tunnel can be timely closed; the primary support of the side tunnel and the primary support of the middle pilot tunnel can be completely connected in sequence, and various errors and deformation influences of surrounding rocks and the supportare left at an inverted arch part for treatment; and the construction progress is basically the same as that of the common double-line or double-lane tunnel.