33results about How to "With delay function" patented technology

The invention relates to an indoor micro positive pressure air purifier with a fresh air exchanging function. The indoor micro positive pressure air purifier with the fresh air exchanging function comprises a host, a display panel, a control panel, an indoor return air inlet, an outdoor fresh air inlet, an air outlet, a filtration structure, a PM2.5 (Particulate Matter) concentration sensor, a carbon dioxide concentration sensor and a differential pressure sensor; the indoor return air inlet is controlled by a return air electric air valve; the outdoor fresh air inlet is controlled by a fresh air electric air valve; the fresh air electric air valve, the return air electric air valve, a fan and the display panel are electrically communicated with the control panel; when the air purifier is started, a fresh air channel is formed between the outdoor fresh air inlet and the air outlet, a return air channel is formed between the indoor return air inlet and the air outlet, and the filtration structure is arranged on the fresh air channel and the return air channel. The control panel receives signals fed back by the sensors and gives a command for starting a purifier operation mode. The air purifier solves the problems that the exiting air purifier is poor in energy-saving performance, comfort level and automatic degree.

The invention discloses a detonator system. The system comprises an array and a plurality of detonators, wherein the array is formed by connecting a plurality of time delay relays which are in series connection with each other; and the plurality of detonators are connected to the array according to a predetermined interval respectively. The invention also discloses another detonator system. The system comprises a plurality of detonators and a plurality of connecting parts which comprise time delay relays, wherein the detonators are connected with the connecting parts by adopting lead wires; and a first connecting part connected with a first detonator is connected to a lead wire between an adjacent second detonator and a corresponding second connecting part. The invention also provides corresponding time delay relays. By using the system, a precise time delay length between any two detonators can be determined, and the continuity and the effectiveness of the conversion of energy and signal from one end of a time delay line to the other end are ensured.

The invention relates to a delayed water inlet mechanism, and relates to the technical field of water inlet valves. A water inlet valve and a delay assembly are included. The delay assembly acts on the water inlet valve and is used for making the water inlet valve closed in a delayed manner when external force controls the water inlet valve to be opened. The delayed water inlet mechanism is simplein structure and high in reliability. Through the additionally-arranged delay assembly, after water stop of the water inlet valve, the water inlet valve can provide water inflow for a long time larger than or equal to 1S under driving of external force, and the self water stop performance is not influenced.

The invention discloses a liquid level sensor with a simulating function. The liquid level sensor comprises a light emitting module, a light receiving module, a signal processing module, a simulating module and an outputting module. The light emitting module is used for emitting light signals to the materials to be measured. The light receiving module is used for receiving and converting the light signals into electrical signals and inputting the electrical signals. The signal processing module is used for receiving the electrical signals and determining whether the materials is at a high level or a low level according to the electrical signals. The simulating module is connected with the signal processing module and is used for switching the electrical signals into normal outputted signals or simulating outputted signals. The outputting module is connected with a switcher electrically and inputting the normal outputted signals or the simulating outputted signals. The low liquid level signals can be converted into high liquid level signals and the high liquid level signals can be converted into the low liquid level signals by the simulating module to detect whether the liquid level sensor operates normally or not; and meanwhile, the liquid level sensor has a delay function, and liquid levels of different liquids can be measured accurately.

The invention provides an automatic ejection device with a time delay function and a mold with the same. The automatic ejection device comprises a base, an upper cover, a pressing block, a shifting block, a locking block and an ejection part, wherein the upper cover is fixedly arranged on the base, a positioning groove is formed in the base, and the shifting block is arranged in the positioning groove. A pressing block mounting hole is formed in the upper cover, and a pressing block guide hole and a locking block guide hole are formed in the shifting block. The lower end of the pressing blockpenetrates through the pressing block guide hole, the upper end of the pressing block penetrates through the pressing block mounting hole, and the locking block is arranged in the locking block guidehole. The pressing block guide hole and the locking block guide hole communicate with each other, the locking block is in contact with the pressing block, and one end of the ejection part is arrangedon the shifting block. An elastic part is further included, and the elastic part is arranged in the locking block guide hole. One end of the elastic part is arranged in the shifting block, and the other end of the elastic part is connected with the locking block. The overall size of the mold can be reduced, devices, demoulded by external force, such as an ejector pin plate, an oil cylinder and a push plate can be removed, the production cost is reduced, the grinding and processing time is shortened, the assembling and replacing are convenient, and the hidden danger of mold collision is avoided.

The invention discloses a server power-off method, device and system. The method comprises the steps that after a cloud platform detects a server fault, an AC power-off instruction is issued to a fault server through a baseboard management controller network port, and the AC power-off instruction comprises timing time and a server restart instruction; the server writes timing time into an automatic switch device which is connected with a mainboard and a power supply, independently supplies power and has a time delay function through a baseboard management controller, and the automatic switch device immediately changes from a normally closed state to an open state after receiving an AC power-off instruction so as to disconnect a power supply link of the server mainboard. And after the timing is finished, the open state is changed into the normally closed state so as to enable the mainboard power supply link to recover power supply. After the server detects that the mainboard power supply link recovers power supply, the server automatically powers on the mainboard and restarts the system according to the server restart instruction, so that the server is automatically powered on afterthe alternating current power supply of the server is powered off, and the operation and maintenance burden of operation and maintenance personnel of a data center is reduced.

The present invention discloses a delay protection socket for electric power. The socket comprises a plug and a connector body, a clamping groove matched with the plug is formed in the connector body,and a limiting body is fixedly connected in the clamping groove. A magnet block is embedded in the limiting body, a sliding rod is connected to the position, located above the limiting body, in the clamping groove, and a gear sleeves and is fixedly connected on the sliding rod; a sliding groove is formed in the joint of the clamping groove and the sliding rod, the sliding rod is connected into the sliding groove in a rolling mode, and the gear is meshed with a rack; the two ends of the rack are fixedly connected with the top of the clamping groove and the top of the limiting body correspondingly, dust removal blades are fixedly connected to the portions, located at the two sides of the gear, of the sliding rod correspondingly, and a coil is fixedly connected to the sliding rod. The sockethas the advantages that direct contact between a human body and the plug is prevented at the moment of maximum current change through delayed energization, so that electric power accidents are avoided.

The invention relates to the technical field of toys, and discloses an energy-saving and environment-friendly remote control car capable of protecting a battery, which comprises a chassis, an axle is inserted into the top of the chassis, a transmission rod is slidably connected to the outer side of the axle, a transmission shaft is inserted into the axle, and a worm gear is meshed with the top of the transmission shaft. A top ball is fixedly connected to the bottom of the chassis, a suction block is fixedly connected to the inner wall of the support, a clamping block is slidably connected to the outer side of the support, a pull rod is slidably connected to the interior of the clamping block, a swing rod is movably connected to the outer side of the pull rod, and a friction block is movably connected to the side, away from the pull rod, of a swing rod. According to the energy-saving and environment-friendly remote control car capable of protecting the battery, the effects of having the time delay function and being convenient to use are achieved through the fact that equipment is powered off, the suction block loses magnetic force, at the moment, a reset rope drives the pull rod to move, the pull rod drives the swing rod to swing, and the swing rod drives the friction block to slide, and then the friction block and the clamping block are used in cooperation.

An overrunning clutch with delay function, comprising a first collar connected to a driving gear, a second collar connected to a crankshaft, a roller cage and at least one control ring, the first collar and The second collar fits and can rotate relative to the same axis. The second collar has a plurality of recesses with an inclined bottom surface. There is a first friction force between the second collar and the roller cage. touch. The roller cage has a recessed annular region and has rollers corresponding to the pockets of the second collar. The first collar has at least one annular groove correspondingly accommodating the plurality of control rings, and the first collar and the plurality of control rings are in close contact with each other with a second friction force. The plurality of control rings also have a hook structure correspondingly accommodated in the recessed area of ​​the ring surface of the roller cage, which can delay the engagement of the overrunning clutch and avoid damage caused by the shock load generated when the internal combustion engine is turned off and the crankshaft is reversed. .

The invention discloses an intelligent electronic activator for a carbon dioxide phase-change cracker. A mounting head and a choke plug are separately arranged at the two ends of an activator housing;a digital delay electronic excitation device is arranged in an inner cavity of the activator housing and the inner cavity of the activator housing is filled up with a heating material; a first guidewire penetrates through the mounting head and then is connected to the digital delay electronic excitation device; and the digital delay electronic excitation device is verified through keys and has adelay electronic excitation function for making the heating material heat up and generate a great deal of reaction gas, thus causing liquid-state carbon dioxide phase change. Being verified through the keys, the electronic activator cannot be activated even obtained without knowing detonating passwords, thus ensuring safety in processes of generation, transportation and storage; and the digital delay electronic excitation device has a delay function, and provides technical support for liquid-state carbon dioxide phase-change delay blasting construction in engineering application.

The invention discloses an automatic oil supply circuit based on microprocessor control, which solves the problems in the prior art that the main equipment does not have a delay function after stopping operation, so that the backflow of lubricating oil causes shaft and bearing damage, waste of energy, and low degree of automation. question. The invention includes a microprocessor, a first filter, an oil pump, a first solenoid valve, an accumulator, and a second filter all arranged on the oil supply line and sequentially distributed from the oil inlet to the oil outlet. and the second solenoid valve, the microprocessor is electrically connected to the oil pump, the first solenoid valve and the second solenoid valve respectively, and the microprocessor is also electrically connected to a liquid crystal touch control screen. The invention has the advantages of simple structure, scientific and reasonable design, convenient use, delay function, energy saving and high degree of automation.

According to a fire extinguishing device with a time delay function, on one hand, a main blasting fuse is a low-speed blasting fuse, the surface of the main blasting fuse is wrapped with protective blasting paper, the protective blasting paper can be moisture-proof tin foil gummed paper, and the protective blasting paper can conduct twisting and blasting protection on the main blasting fuse, so that the main blasting fuse is prevented from fast burning and fire crossing and is moisture-proof; and therefore the fire extinguishing device has a delayed explosion function; and on the other hand, a standby lead is further included, one end of the standby lead is located on the outer side of a center cylinder and extends in the mode of being attached to the top wall of the center cylinder, the other end of the standby lead penetrates through the top wall of the center cylinder and then is connected with a pyrotechnic composition, the position of the standby lead and the position of the main blasting fuse are staggered, two lines for igniting the pyrotechnic composition of the standby lead and the main blasting fuse are formed, the two lines are not liable to interfere with each other, when one line fails and cannot be ignited, the other line can also achieve the ignition function, and the problem that the lines cannot be ignited when put into a fire source is solved.

The invention discloses an energy-saving secure socket which comprises a panel and electric wires. First jacks, second jacks, timing jacks, time-delay jacks and a charging area are successively arranged on the panel. A display is disposed above the timing jacks. One end of the display is provided with a timing button, and the other end of the display is equipped with an adjustment button. A time-delay switch is arranged at one side of the time-delay jacks. USB slots are respectively arranged on upper and lower sides of the charging area. The energy-saving secure socket can meet daily wiring requirements, can be used for timing on/off, has a time-delay function, can be used to effectively prevent electric leakage, surge, lightning stroke, overcurrent, short circuit, overvoltage and the like, has long service life, can be arbitrarily set throughout the day for timing on/off, has USB charging ports and can power off automatically.