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.

A proportional controller of gas for high-safety heat supply is composed of main valve body with inlet and outlet and such units in said main valve body as emergency cut-off valve, pilot proportional valve serially connected to said emergency cut-off valve, pilot main valve and servo pressure regulator. Its advantages are fast closing, delayed opening, stable pressure at outlet, smooth combustion, and high control accuracy.

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 an overvoltage warning device and method based on a pressure sensor and an electrochromic device. The overvoltage warning device comprises a control circuit, a signal input line, a trigger pressure adjustment knob, a voltage display area, a delay adjustment knob, a delay trigger switch, an output line and an electrochromic device, wherein the control circuit is provided with a pressure sensor, a first slide rheostat, a voltmeter, an NPN triode, a second slide rheostat and a switch; the signal input line is extracted from two ends of the pressure sensor; the trigger pressure adjustment knob is connected with the first slide rheostat; the voltage display area is connected with the voltmeter; the delay adjustment knob is connected with the second slide rheostat; the delay trigger switch is connected with the switch; the output line is extracted from an output end; and the electrochromic device is connected with two ends of the output line. When the overvoltage warning device is triggered by pressure, the output voltage is immediately reversed, and the electrochromic device is enabled to change in color; and when the pressure is below a trigger value, the outputvoltage is enabled to be reversed again, and the electrochromic device is enabled to return back to be original color. The overvoltage warning device is simpler and more stable in control circuit, less in consumed electric energy, safer and more environment-friendly and has a good warning effect.

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 relates to a programmable-logic-control-system-based programming design method for a single-chip microcomputer. The method comprises: a development platform with logic control program design software and a controller with a performable logic control program are prepared; a logic input vector, a logic output vector and a timing input vector and the like for logic control are determined; a logic relational expression is designed; the logic relational expression is converted into a standard AND-OR type; according to the standard AND-OR type, a AND matrix, an OR matrix, and a NON matrix are designed; and the designed control matrixes are transmitted to the controller by a controller communication interface. According to the invention, the operation system support and the interpreted language support are not needed; and the hardware resource requirement is low. The method is a logic programmable technology suitable for a common single-chip microcomputer. The cost of the single controller is reduced substantially; the code can be transplanted; and easy extension into a cooperative control system of multiple controllers can be realized.

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 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 relates to a manual control magnetic attraction opening and closing type controller which comprises a valve body, a button assembly arranged in the valve body and an executing mechanism triggered to act through the button assembly; a vacuum connector, an air connector and an output connector are arranged on the outer wall of the valve body, and a vacuum pipeline communicated with the vacuum connector, an air pipeline communicated with the air connector and an output pipeline communicated with the output connector are sequentially arranged in the valve body; the execution mechanism comprises a plug which is triggered to lift through a button assembly and is used for intermittently connecting and disconnecting a vacuum pipeline and an air pipeline, and a valve core assembly which is used for intermittently communicating an output interface with a vacuum interface and an air interface; the action of the controller is achieved mainly through manual triggering, so that air is introduced into the output interface or vacuum is formed in a switchable mode, then the vacuum blow-down valve or the diaphragm valve or the pneumatic water valve connected with the output interface is controlled to act, and control is convenient and efficient; and the device is suitable for occasions with large air pressure change range and unstable pressure.

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.

A park automatic switch circuit with a delaying function mainly comprises a power supply, a capacitance voltage drop circuit, an antenna ring, a microwave sensing controller, a light control circuit, a delaying timer and an LED fluorescent lamp. Through the capacitance voltage drop circuit, the power supply is converted into 11 V direct currents to be provided for a microwave sensor, the microwave sensing controller uses the minitype antenna ring for microwave detecting, the antenna ring is used as a sending antenna and receives echoes reflected by moving of a human body or a vehicle, the light control circuit is connected with the microwave sensing controller and mainly comprises a light dependent resistor, the delaying timer is connected with the microwave sensing controller, a timing function is achieved by charging a fixed capacitor, and turning on and off of the LED fluorescent lamp are controlled by the microwave sensing controller by controlling double-direction controllable silicon. Based on automatic control of a microwave technology, under the situation that light intensity is lower than a certain range, when a person enters a switch sensing range, the LED fluorescent lamp in a park can be turned on automatically, and after the person leaves, the LED fluorescent lamp is automatically turned off by switch delaying.

The invention relates to the field of vertical hinged doors, in particular to a warm air curtain energy-saving environment-friendly vertical hinged door and solves the problems that the warm air curtain wastes energy sources and is easily damaged and poor in comfort and the like in the prior art. A warm air curtain is arranged in a doorframe of one side of the vertical hinged door, discharging holes are formed in the position, corresponding to a region where the warm air curtain is arranged, of the doorframe, and a time delay switch is arranged on one side of the warm air curtain in the doorframe. The discharging holes are formed in one side of the doorframe, and a movable pressing line is arranged on the other side of the doorframe. The normally-closed contact of the time delay switch protrudes out of the surface of the pressing line of the doorframe, and the total width of the doorframe is 200mm, wherein the width of the warm air curtain is 100mm. The warm air curtain is started according to situations of coming in and going out of people, heat air is blown from the side surface of the vertical hinged door, discomfort cannot occur, waste of energy sources is greatly reduced, cost is saved, and service life of the warm air curtain is long. Besides, the warm air curtain energy-saving environment-friendly vertical hinged door has a time delay function, time can be set as 30 seconds, 60 seconds, 90 seconds and the like according to needs, time of blowing heat air by the warm air curtain is properly extended, and convenience is brought to the people coming in and going out.

The invention relates to the technical field of warehouse logistics, in particular to an automatic switching system of vaccine warehousing refrigerating equipment. The automatic switching system comprises a power supply, a CPU, three refrigerating pumps connected in parallel, three cooling tower connected in parallel, and an electric generator, wherein a timer is embedded in the CPU; the electricgenerator and the power supply are connected in parallel to power the system; the control end of the CPU is connected with the three refrigerating pumps and the three cooling towers through relays; and the CPU controls timed switching among the three refrigerating pumps and three cooling towers according to the time interval set by the timer, so that the situation that two units are started and one unit is standby is ensured, the running time and the halt time of each unit are the same, and the units are operated in balance. When power supply is abnormal, the power supply stops supplying power, the CPU automatically controls the electric generator to be started for supplying power to the system, and the system is ensured to run stably. The automatic switching system is stable and reliablein operation, automatically realizes timed switching of equipment and ensures that the temperature in a warehouse is constant.

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. .

A proportional controller of gas for high-safety heat supply is composed of main valve body with inlet and outlet and such units in said main valve body as emergency cut-off valve, pilot proportional valve serially connected to said emergency cut-off valve, pilot main valve and servo pressure regulator. Its advantages are fast closing, delayed opening, stable pressure at outlet, smooth combustion, and high control accuracy.

The invention relates to the field of vertical hinged doors, in particular to a warm air curtain energy-saving environment-friendly vertical hinged door and solves the problems that the warm air curtain wastes energy sources and is easily damaged and poor in comfort and the like in the prior art. A warm air curtain is arranged in a doorframe of one side of the vertical hinged door, discharging holes are formed in the position, corresponding to a region where the warm air curtain is arranged, of the doorframe, and a time delay switch is arranged on one side of the warm air curtain in the doorframe. The discharging holes are formed in one side of the doorframe, and a movable pressing line is arranged on the other side of the doorframe. The normally-closed contact of the time delay switch protrudes out of the surface of the pressing line of the doorframe, and the total width of the doorframe is 200mm, wherein the width of the warm air curtain is 100mm. The warm air curtain is started according to situations of coming in and going out of people, heat air is blown from the side surface of the vertical hinged door, discomfort cannot occur, waste of energy sources is greatly reduced, cost is saved, and service life of the warm air curtain is long. Besides, the warm air curtain energy-saving environment-friendly vertical hinged door has a time delay function, time can be set as 30 seconds, 60 seconds, 90 seconds and the like according to needs, time of blowing heat air by the warm air curtain is properly extended, and convenience is brought to the people coming in and going out.

The invention discloses an overvoltage warning device and method based on a pressure sensor and an electrochromic device. The overvoltage warning device comprises a control circuit, a signal input line, a trigger pressure adjustment knob, a voltage display area, a delay adjustment knob, a delay trigger switch, an output line and an electrochromic device, wherein the control circuit is provided with a pressure sensor, a first slide rheostat, a voltmeter, an NPN triode, a second slide rheostat and a switch; the signal input line is extracted from two ends of the pressure sensor; the trigger pressure adjustment knob is connected with the first slide rheostat; the voltage display area is connected with the voltmeter; the delay adjustment knob is connected with the second slide rheostat; the delay trigger switch is connected with the switch; the output line is extracted from an output end; and the electrochromic device is connected with two ends of the output line. When the overvoltage warning device is triggered by pressure, the output voltage is immediately reversed, and the electrochromic device is enabled to change in color; and when the pressure is below a trigger value, the outputvoltage is enabled to be reversed again, and the electrochromic device is enabled to return back to be original color. The overvoltage warning device is simpler and more stable in control circuit, less in consumed electric energy, safer and more environment-friendly and has a good warning effect.

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.

The invention provides an automatic ejection device with a delay function and a mold having the same, comprising a base, an upper cover, a pressing block, a dial, a locking block and an ejecting piece, the upper cover is fixedly arranged on the base, and the base is arranged There is a placement slot, the dial block is set in the placement groove, the upper cover is provided with a press block installation hole, the dial block is provided with a press block guide hole and a lock block guide hole, the lower end of the press block is arranged through the press block guide hole, and the upper end of the press block is provided with The installation hole of the pressure block is arranged, the lock block is arranged in the guide hole of the lock block, the guide hole of the pressure block and the guide hole of the lock block are communicated with each other, the lock block is arranged in contact with the pressure block, and one end of the ejection piece is installed on the dial block, and also It includes an elastic piece, the elastic piece is arranged in the guide hole of the lock block, one end of the elastic piece is arranged in the dial block, and the other end of the elastic piece is connected with the lock block. It can reduce the overall size of the mold, remove the ejector plate, oil cylinder, push plate and other devices that rely on external force to release the mold, reduce production costs, shorten research and processing time, easy assembly and replacement, and no hidden danger of mold collision.

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.