34results about How to "Guaranteed automatic shutdown" patented technology

The invention discloses an intelligent humidity regulating fruit and vegetable box of a high-humidity refrigerator. The intelligent humidity regulating fruit and vegetable box comprises a box. An upper cover plate is arranged on the top of the box, a plurality of moisture-permeable through holes are formed in the upper cover plate, and an automatic humidity regulating functional material block is arranged on the upper surface of the upper cover plate and is positioned at the moisture-permeable through holes; a humidity regulating box covers the automatic humidity regulating functional material block, and the bottom of the humidity regulating box is connected onto the upper cover plate; an automatic regulating door is hinged to the humidity regulating box; the middle of the side, which faces the automatic regulating door, of the automatic humidity regulating functional material block is protruded to form an ejecting protrusion, a gap is reserved between the ejecting protrusion and the automatic regulating door, and a gap is reserved between the top surface of the automatic humidity regulating functional material block and the top of the humidity regulating box. The intelligent humidity regulating fruit and vegetable box has the advantages that moisture of the fruit and vegetable box can be sucked or released by the aid of moisture absorption and swelling characteristics of the automatic humidity regulating functional material block, manual operation can be omitted in humidity regulating procedures, extra energy also can be omitted, the high internal humidity of the fruit and vegetable box can be timely and effectively maintained, condensed water generated in the fruit and vegetable box can be reduced, and the fresh-keeping capacity of the fruit and vegetable box can be greatly improved.

The invention discloses an air door opening and closing device, which comprises a first connecting rod, a second connecting rod, an air cylinder and an air channel control unit, wherein one end of the first connecting rod is hinged to a door leaf arranged in a mine tunnel, and the other end of the first connecting rod is hinged to one end of the second connecting rod; and the other end of the second connecting rod is hinged to a telescopic link of the air cylinder, a stationary shaft is arranged on the second connecting rod, and when the telescopic link of the air cylinder stretches or contracts under the control of the air channel control unit, the second connecting rod rotates around the stationary shaft under the driving of the telescopic link of the air cylinder and drives the first connecting rod to move so as to open or close the door leaf. With the air door opening and closing device, automatic opening and closing of the door leaf of an air door can be realized, so that the technical problem that the air door cannot be quickly and conveniently opened and closed in the prior art is solved.

The invention discloses a high-intensity steel fireproof channel door, which comprises a door frame (1) and a door leaf (2), wherein the door frame (1) and the door leaf (2) are connected with each other through a pivot hinge (3) to form the channel door. The high-intensity steel fireproof channel door is characterized in that the door frame (1) comprises a hinge side vertical frame (101), an upper frame (102), a lock side vertical frame (103) and a door sill (104) which are sequentially and fixedly connected with one another to form the square door frame (1). One side, which is provided with the pivot hinge, of the door frame has a clamping slot structure; a stage-type clamping strip is arranged on the hinge side of the door leaf; and after the door leaf is closed, the clamping strip is embedded into the clamping slot to firmly lock the door leaf. By adopting the pivot hinge, the door leaf and the door frame are convenient to mount and adjust, and a door gap is uniform; and a multi-point push rod escape lock and a door locker are arranged on the door, so that in an emergency, people can escape, and the door can be automatically closed.

The invention relates to a balance air door which is composed of two door leaves installed in a roadway, wherein the two door leaves are opened towards different directions; a door opening device for synchronously opening the two door leaves and a door closing device for automatically closing the door leaves are arranged on the door leaves; the door opening device consists of two air door curved arms and a balance rod, the air door curved arms are respectively installed at the same side of the two door leaves, and two ends of the balance rod are respectively hinged with the two air door curved arms; and the door closing device consists of a pulley block, a steel wire rope and a balance weight, one end of the steel wire rope is fixedly connected to the backside of the opening direction of one door leaf, the pulley block is pre-embedded in the roadway on the backside of the door leaf, the other end of the steel wire rope penetrates through the pulley block to be connected with the suspended balance weight, so that the balance air door provided by the invention can ensure that the two air leaves can be synchronously opened in place, and the corresponding balance weight is arranged to ensure that the air door can be closed automatically. Through using the balance air door, not only can the mine working and ventilation conditions be improved, but also a guarantee can be provided for the security and reliability of a mine ventilation system.

The invention discloses an electric kettle for preventing accidents. By a thermoelectric generator, certain power is generated by heat generated when the electric kettle boils water and the outside temperature difference, and therefore an electromagnet is energized, the electromagnet is energized, and therefore sheet irons corresponding to the electromagnet are absorbed and stuck together, and a first casting lug is compressed downwards and drives a kettle lid to screw down, which ensures that when the kettle boils water, the kettle lid can close automatically and the situation where steam in the kettle body escapes because of the gap caused by the kettle lid not completely closed is prevented, the situation that the steam impact for a power-off switch is reduced, the automatic power-off function cannot start, and therefore various danger occurs can be avoided.

An energy-saving device of machine returning salt of salt work to be bittern is prepared as fixing power supply in protection case and water level transducer in bittern canal as well as flow rate transducer on water outlet of pump; sending signals detected by measuring transducer to microprocessor; connecting microprocessor, measuring transducer, water pump driving unit, alarm and power supply in electricity way, outputting received signal to water pump driving unit to control motor operation and sending it to alarm by microprocessor; using various transducers to protect motor effectively.

The invention relates to the technical field of safety protection, and discloses a wooden fireproof door with a long service life, which comprises a door frame, wherein a front door plate and a rear door plate are respectively arranged on the door frame, the front door plate and the rear door plate both comprises a solid wood composite board, the two sides of the solid wood composite board are both fixedly connected with a hollow steel plate, a piston cylinder is arranged in the solid wood composite board, a piston is movably connected with the inner part of the piston cylinder, a limit blockis fixedly connected with the inner wall of the piston cylinder, one end of a steel wire rope is fixedly connected with the bottom of the piston, a first fixed pulley, a second fixed pulley, a third fixed pulley, a winding wheel, a fourth fixed pulley and a fifth fixed pulley are sequentially in transmission connection with the steel wire rope. The wooden fireproof door has the advantages of better sound insulation, flame retardance and corrosion resistance properties, can effectively increase the service life of the wooden fireproof door and the practicability of the wooden fireproof door, and makes the use of the wooden fireproof door by people more convenient.

The invention relates to a circular weaving machine shuttle folding apparatus comprising a bend installation handle. One side of the top end of the bend installation handle is provided with a guiding positioning wheel; a panel and a base plate are arranged on the bend installation handle under the guiding positioning wheel; a tension device is mounted between the panel and the base plate slantwise under the guiding positioning wheel; a sensing magnet is arranged on the tension device; a spring is mounted on the inner side surface of the tension device; one end of the spring is connected with the tension device and the other end is connected with the panel and the base plate; a tension spacer is arranged between the panel and the base plate over the tension device; a folding driving wheel is arranged between the panel and the base plate over the tension spacer; and a folding driven wheel is arranged over the folding driving wheel. The circular weaving machine shuttle folding apparatus is rationally structured, has low fault rate, can be applied to single filament folding; and the circular weaving machine shuttle folding apparatus stops upon faults, so potential safety dangers can be eliminated and work efficiency can be improved.

The invention discloses a safe electric kettle preventing risks. Through a thermoelectric power generation device, heat generated when the electric kettle is used for boiling water and external temperature difference generation energy are absorbed, so that an electromagnet is powered on; the electromagnet is powered on, in this way, a metal plate arranged corresponding to the electromagnet can be attracted, and the other end of a swinging lower pressing rod and the other end of a swinging upper pushing rod get closed; the swinging lower pressing rod and the swinging upper pushing rod form a shearing fork-type structure through a swinging shaft, and in this way, the lower pressing end of the swinging lower pressing rod and the upper pushing end of the swinging upper pushing rod also get closed; the lower pressing end of the swinging lower pressing rod extends into a kettle lid groove, the upper pushing end of the swinging upper pushing rod extends into a first kettle body groove, the swinging lower pressing rod and the swinging upper pushing rod get closed to exert force on a kettle lid and a kettle body so that the kettle lid can be closed under lower pressing, in this way, it is guaranteed that during water boiling, the kettle lid can be automatically closed, and it is prevented that a user does not completely closes the kettle lid, water vapor escapes from the kettle body through a generated gap, as a result, impacting force on a power-off switch of the water vapor is reduced, an automatic power-off function can not be started, and risks are generated.

The invention discloses an intelligent switch for a zigbee technology. The intelligent switch comprises a zigbee communication module, a micro-control unit module, a switch circuit module and a multipurpose interface module, wherein the micro-control unit module is respectively connected with the zigbee communication module and the multipurpose interface module, and the switch circuit module is used for electrifying the connection of the micro-control unit module, the zigbee communication module and the multipurpose interface module. According to the intelligent switch, the defects that an existing product is single in function and can not be integrated with existing air conditioners, security products and various sensors; furthermore, due to the multipurpose interface module, a remote control wireless intelligent control device is butted with the air conditioners and the security products by connecting the existing air conditioners, security products and various sensors with the intelligent switch through the multipurpose interface module.

The invention discloses an intelligent control system of a personal care cosmetic instrument. The intelligent control system comprises a control box shell, wherein a display screen is embedded into one side wall of the control box shell; the outer wall of the bottom of the control box is fixedly connected with a supporting rod; the outer wall of the supporting rod is connected with a locating ring in a sliding manner; the locating ring is fixedly connected to the supporting rod through a fastener; one side wall, away from the fastener, of the locating ring is fixedly connected with a connection block; an object placement slot is formed in the outer wall of the top of the connection block; a telescopic rod is horizontally arranged in the object placement slot; protruded structures are arranged on the outer walls of two sides of a fixed part; one side wall, away from a telescopic part, of a movable part is fixedly connected with a limiting ring; a hook is arranged above the limiting ring; the remote end of a control module is connected with a cloud platform; and the remote end of the cloud platform is connected with a mobile control end. The intelligent control system saves resources, saves the space, is simple in structure and can intelligently control equipment.

The invention discloses an energy-saving lamp with the data transmission function. The energy-saving lamp comprises a lamp holder; a first microprocessor and an emitting device are arranged inside thelamp holder; a photosensitive sensor and a switch are arranged on the lamp holder; the lamp holder is connected to a bulb through a connecting part; a brightness adjusting groove is formed in the connecting part; a brightness adjusting button is arranged in the brightness adjusting groove; the photosensitive sensor is electrically connected to an AD conversion module; the first microprocessor, the AD conversion module and the emitting device are electrically connected in sequence; the emitting device is electrically connected to a receiving device and a mobile phone receiving device; the receiving device is electrically connected to a relay through a second microprocessor; and the mobile phone receiving device, a mobile phone control platform, the second microprocessor and the relay are electrically connected in sequence. According to the energy-saving lamp, the three functions of automation, manual control and remote control can be achieved, the light intensity can be adjusted and closed, and therefore the energy consumption can be greatly saved, and the energy burden can be reduced.

The invention discloses a control circuit and a stove. The control circuit comprises a thermocouple, a negative pressure generation module, an electromagnetic valve and a detection control module, wherein the thermocouple comprises a first pin; the negative pressure generation module is used for generating a negative pressure; the electromagnetic valve comprises a first coil and a second coil; oneend of the first coil is grounded, and the other end of the first coil is connected with a first pin of the thermocouple; one end of the second coil is grounded, and the other end of the second coilis connected with the negative pressure generation module; and the detection control module is connected with the first pin, the other end of the second coil and a positive-voltage power supply separately, and used for communicating the other end of the second coil with the positive-voltage power supply when a heating temperature of the thermocouple is not higher than a first temperature, and disconnecting the other end of the second coil from the positive-voltage power supply when the heating temperature of the thermocouple is higher than the first temperature. According to the control circuit and the stove, the safety of the stove is improved.

The invention discloses an automatic shutting electric control device which comprises a power supply circuit and a switching circuit, wherein the power supply circuit is provided with an interruption part; the interruption part is provided with two broken points; the switching circuit is respectively electrically connected to the two broken points; the switching circuit comprises a presetting unit, a timing unit, a switching unit and a resetting unit; the presetting unit is connected to the timing unit and used for presetting a shutting time; the timing unit is used for sending a shutting signal to the switching unit when the present conduction time reaches the shutting time; the switching unit is used for receiving the signal from the timing unit and switching to a disconnection state to cut off the power supply circuit; and the resetting unit is connected to the switching unit and used for resetting the connection state of the switching unit when the electric control device is started, thereby connecting the power supply circuit. By using the scheme provided by the invention, the shutting function is realized in a timing manner and the electric control device can automatically shut down after running for a period of time, thereby being beneficial for an authorized user to control and use the electric control device and meeting the market requirement.

The invention discloses a hidden type door closer capable of achieving bidirectional installation. The hidden type door closer capable of achieving bidirectional installation comprises a body, a rotating piece, a rotating arm, a rotating rod, a resetting structure, a damping structure and a locating block. The rotating piece and the rotating arm are rotationally installed on the body through the rotating rod. The rotating arm is installed on the portion, extending out from the body, of the rotating rod. The resetting structure and the damping structure are arranged in the body and connected with the rotating piece. The resetting structure generates pull force on the rotating piece all the time. The damping structure generates push force on the rotating piece all the time. The pull force is always larger than the push force. The locating block is connected with the rotating arm in a sliding manner. The rotating rod can extend out from the different sides of the body. The structures of the rotating arm installed on the different sides of the body are different. The hidden type door closer can be installed in a bidirectional lanner, and the production cost is effectively reduced.

The invention discloses an intelligent humidity regulating fruit and vegetable box of a high-humidity refrigerator. The intelligent humidity regulating fruit and vegetable box comprises a box. An upper cover plate is arranged on the top of the box, a plurality of moisture-permeable through holes are formed in the upper cover plate, and an automatic humidity regulating functional material block is arranged on the upper surface of the upper cover plate and is positioned at the moisture-permeable through holes; a humidity regulating box covers the automatic humidity regulating functional material block, and the bottom of the humidity regulating box is connected onto the upper cover plate; an automatic regulating door is hinged to the humidity regulating box; the middle of the side, which faces the automatic regulating door, of the automatic humidity regulating functional material block is protruded to form an ejecting protrusion, a gap is reserved between the ejecting protrusion and the automatic regulating door, and a gap is reserved between the top surface of the automatic humidity regulating functional material block and the top of the humidity regulating box. The intelligent humidity regulating fruit and vegetable box has the advantages that moisture of the fruit and vegetable box can be sucked or released by the aid of moisture absorption and swelling characteristics of the automatic humidity regulating functional material block, manual operation can be omitted in humidity regulating procedures, extra energy also can be omitted, the high internal humidity of the fruit and vegetable box can be timely and effectively maintained, condensed water generated in the fruit and vegetable box can be reduced, and the fresh-keeping capacity of the fruit and vegetable box can be greatly improved.

The invention relates to a fireproof door control method, device and system. The fireproof door control method includes the steps that the fire breakout position information of a building is obtained;on the basis of the preset corresponding relation between fire breakout position information and door closing time delay of a fireproof door in the building, the door closing time delay of the fireproof door in the building is determined; and a door closing instruction is sent to the fireproof door in the building, and the fireproof door is controlled to be closed at the finish moment of the doorclosing time delay. According to the fireproof door control method, device and system, by means of the pre-established and stored corresponding relation between the fire breakout position informationand the door closing time delay of the fireproof door in the building, after the fire breakout position information is obtained, the door closing time delay of the fireproof door can be determined; and therefore the fireproof effect of the fireproof door is greatly improved, and the life and property loss of personnel in the building is reduced.

An intelligent control system suitable for a fan coil control valve is applied to a central air-conditioning system and comprises a lock tongue induction device; the lock tongue induction device can induct whether a lock is in a locking state or not and is connected with a second power source and a base electrode of a triode Q1; a collector electrode of the triode Q1 is connected with a base electrode of a triode Q2 through a resistor R1; an emitting electrode of the triode Q2 is connected with the ground; a collector electrode of the triode Q2 is connected with a first power source through the fan coil control valve; the first power source is connected with the collector electrode of the triode Q2 through a stabilivolt D1; and an emitting electrode of the triode Q1 is connected with a third power source. According to the intelligent control system, the situation that heating / cooling of a central air conditioner to the interior of an office is automatically controlled when no person is in the office or after work can be achieved without delaying the using condition of the interiors of other offices, accordingly the utilization efficiency of the central air conditioner is improved, and energy is saved.

The invention discloses an offshore oil platform temperature control system, which comprises a compressor, a condenser, a liquid storage tank, an expansion valve and an evaporator, wherein the compressor, the condenser, the liquid storage tank, the expansion valve and the evaporator are circularly connected, the sides of the condenser and the evaporator are respectively provided with a fan, an air outlet of the compressor and an inlet of the liquid storage tank are connected by a one-way valve, and a liquid outlet of the condenser is provided with a condensing pressure regulator. The offshore oil platform temperature control system has the advantages that the structure is simple, the convenience in use is realized, the working temperature range is -17 DEG C to 38 DEG C, the control precision of the room temperature can reach + / -1 DEG C, the good anti-explosive class is realized, the ExdIIBT4 anti-explosive class is realized, the safety hazards to the oil platform are avoided when the oil platform leaks, the evaporator can be normally used and cannot be frosted, and the normal use of the temperature control system is ensured.

The invention discloses a feeding port for a bulk machine. The feeding port comprises a feeding port wall, wherein a hopper is connected to the lower portion of the feeding port wall, a plurality of valve plates are arranged inside the feeding port, the centers of the two ends of each valve plate are connected with the feeding port wall through rotating shafts, and the valve plates are arranged in parallel; when each valve plate is in a horizontal state, the whole feeding hole is blocked; a swing rod is arranged outside the feeding port wall, a plurality of connecting pieces are hinged to the swing rod, and each connecting piece is fixedly connected with the rotating shaft on one side of the corresponding valve plate; and the swing rod is connected with a driving device, the driving device pushes and pulls the swing rod, and the swing rod drives the valve plates to rotate through the connecting pieces.

An intelligent control system suitable for a fan coil control valve is applied to a central air-conditioning system and comprises a lock tongue induction device; the lock tongue induction device can induct whether a lock is in a locking state or not and is connected with a second power source and a base electrode of a triode Q1; a collector electrode of the triode Q1 is connected with a base electrode of a triode Q2 through a resistor R1; an emitting electrode of the triode Q2 is connected with the ground; a collector electrode of the triode Q2 is connected with a first power source through the fan coil control valve; the first power source is connected with the collector electrode of the triode Q2 through a stabilivolt D1; and an emitting electrode of the triode Q1 is connected with a third power source. According to the intelligent control system, the situation that heating / cooling of a central air conditioner to the interior of an office is automatically controlled when no person is in the office or after work can be achieved without delaying the using condition of the interiors of other offices, accordingly the utilization efficiency of the central air conditioner is improved, and energy is saved.

The invention discloses an intelligent control system of a personal care cosmetic instrument. The intelligent control system comprises a control box shell, wherein a display screen is embedded into one side wall of the control box shell; the outer wall of the bottom of the control box is fixedly connected with a supporting rod; the outer wall of the supporting rod is connected with a locating ring in a sliding manner; the locating ring is fixedly connected to the supporting rod through a fastener; one side wall, away from the fastener, of the locating ring is fixedly connected with a connection block; an object placement slot is formed in the outer wall of the top of the connection block; a telescopic rod is horizontally arranged in the object placement slot; protruded structures are arranged on the outer walls of two sides of a fixed part; one side wall, away from a telescopic part, of a movable part is fixedly connected with a limiting ring; a hook is arranged above the limiting ring; the remote end of a control module is connected with a cloud platform; and the remote end of the cloud platform is connected with a mobile control end. The intelligent control system saves resources, saves the space, is simple in structure and can intelligently control equipment.

The invention discloses an electric kettle for preventing a user from forgetting to close a kettle lid. A temperature-difference power generation device absorbs temperature difference which is generated when the electric kettle heats water, and generates electric energy to make an electromagnet electrified, the electrification of the electromagnet causes the situation that an iron plate arranged corresponding to the electromagnet is pulled in and drives a movable block to descend, a rack at the outer side of movable block is matched with a toothed chain in a clamped mode, the toothed chain is provided with a first rotation shaft and a second rotation shaft, the rotary movement of the toothed chain drives the first rotation shaft and the second rotation shaft to rotate, the rotary movement of the first rotation shaft drives a rotation compression rod to rotate to stretch into a groove in the kettle lid, a movable protruding block which is connected with the movable block is inserted in a slot in a movable column which is provided with the first rotation shaft and the second rotation, when the movable block drives the movable protruding block to descend to the bottom of the slot in the movable column, the movable column is driven to descend, and the decline of the movable column causes the situation that the rotation compression rod also descends and presses the kettle lid, so that the kettle lid is pressed down and closed. When the electric kettle heats water, it is ensured that the kettle lid can close automatically. The electric kettle avoids the problem that because vapor in the kettle escapes from gaps caused by the situation that the user does not close the kettle lid completely, the automatic power-off function cannot be started.

The invention discloses an electric kettle with an automatic power-off function which is available in the case of a gap in the kettle lid. According to the kettle, an electromagnet is electrified since a temperature difference power generation device is used for absorbing heat generated when the electric kettle is used for heating water and generating electric energy on the basis of temperature difference from the outside, so that an iron sheet corresponding to the electromagnet is picked up to drive a moving block to pull an elastic reset part to descend, while a rack outside the moving block is clamped with a toothed chain; a toothed chain is arranged on a first rotating shaft and a second rotating shaft, and rotates to drive the first and second rotating shafts to rotate, rotation of the first rotating shaft enables a rotary press rod connected with the first rotating shaft to rotate and press down, the press part of the rotary press rod extends into the groove of the kettle lid to press the kettle lid, and the kettle lid is pressed down and closed, the cattle lid can be automatically closed when water is heated, various risks as the automatic power-off function cannot be started due to reduced impact of vapor for a power-off switch when vapor in the kettle body escapes from the gap since a user does not completely close the kettle lid can be prevented.

The invention provides a control circuit and a cooker. The control circuit includes a solenoid valve, a thermocouple, a negative pressure generating module, a first resistor, a normally closed switchand a detection control module; the solenoid valve comprises a first coil and a second coil, and the first end of the first coil and the first end of the second coil are grounded; a first pin of the thermocouple is connected to the second end of the first coil; one end of the first resistor is connected to the negative pressure generating module, and the other end of the first resistor is connected to the second end of the second coil; one end of the normally closed switch is connected to one end of the first resistor, the other end of the normally closed switch is connected to the other end of the first resistor, and the normally closed switch is provided with a controller; the detection control module is connected to the first pin and the controller and is used for controlling the controller to open the normally closed switch when the heating temperature of the thermocouple is not higher than the first temperature; and when the heating temperature of the thermocouple is higher than the first temperature, the normally closed switch is automatically closed. By means of the control circuit and the cooker, it can be ensured that the solenoid valve is automatically closed when software fails, and the safety is improved.

The invention discloses an electric kettle capable of automatically closing a kettle cover. According to the electric kettle, a temperature differential power generation device is used for absorbing certain electric energy generated due to the difference between heat generated during boiling water with the electric kettle and an external temperature, thereby causing an electromagnet to be electrified; after the electromagnet is electrified, a metal plate which corresponds to the electromagnet is attracted, so that a rotary lower pressing rod rotates, thereby causing the pressing part of the top of the rotary lower pressing rod to be pressed into a groove in the kettle cover, further causing the kettle cover to be pressed down and closed, ensuring the kettle cover to automatically close during water boiling, and preventing the reduction of impact force of water vapor on a power cutoff switch caused by escaping of water vapor in a kettle body due to a gap resulting from incomplete closing of the kettle cover by a user from causing unsuccessful starting of an automatic power failure function which causes various dangers.