131results about How to "Realize on-off control" patented technology

The invention discloses an electrically operated valve, aiming at the problems that the elasticity of a stopping part for preventing a coil from being loosened corresponding to a valve body is low in the prior art; the technical proposal of the invention comprises a valve seat, a valve needle, the stopping part and a stepping motor which is composed of a rotor and a stator for driving the valve needle and the valve seat to joint or detach; the stopping part is fixedly connected with a stator coil box, and internally concave bending parts which are opposite are additionally arranged above externally convex bending parts on two arm parts extended downwards thereof respectively. As the two arm parts of the stopping part are respectively provided with two bending parts, higher elasticity is obtained under the condition of same deformation, the fixation is reliable and the working noise is low; the valve has the advantages of compact structure and good assembling operability; moreover, the vibration reduction is greatly improved for obtaining accurate flow control; therefore, the valve is particularly suitable for refrigerators, air conditioning refrigerating units, water heaters and dehumidifiers, thus realizing defrosting, the flow control and on-off control and the like of a heating system.

The invention relates to a microprocessor-based embedded intelligent power socket implemented in an infrared remote control signal decoding mode, which comprises an external power interface, a motherboard and an output socket, wherein the motherboard comprises an anti-thunder and anti-surge module, a microprocessor, an infrared receiving module, a direct-current voltage-stabilized power module, a two-path relay driving module, a current detecting and debugging module, a voltage detecting and debugging module, a USB power module, an external storage module, and a wireless module. By acquiring and recording loaded current and voltage signals in real time, the intelligent power socket provided by the invention can achieve automatic power off when a loaded current is too big or the load is in a stand-by state; the intelligent power socket disclosed by the invention can be controlled through a mobile phone APP or infrared remote control signals; the infrared remote control signal decoding mode provided by the invention can achieve decoding on any keys of any infrared remote controls under the condition that no infrared signal matching learning is performed, thereby realizing the on-off control of an output power supply; and the intelligent power socket disclosed by the invention also has the functions of thunder prevention, surge prevention, and electric shock prevention.

The invention discloses an LED light emitting component of an integrated drive circuit which comprises an LED chip and an encapsulation body; one end of at least one LED chip is connected with the driving output end of the drive circuit, and the encapsulation is carried out to at least one LED chip, the drive circuit and the encapsulation body so as to form the LED light emitting component of integrated drive circuit; the pin of the light emitting component of the integrated drive circuit is at least partly embedded into the encapsulation body. By adopting the LED light emitting component provided by the invention, the PCB board distribution is simplified, the cost is reduced and the application is more convenient.

The invention relates to an MOS tubular ignition circuit for launch control equipment and belongs to the technical field of circuit design of the launch control equipment. The ignition circuit comprises an MOS tube, an audion and a resistor. In a non-ignition state, based on the characteristics of the NPN type audion and the MOS tube, an ignition positive voltage signal and an ignition negative output signal are in a disconnection state, an access cannot be formed between the ignition positive voltage signal and an ignition positive output signal, and the resistor between an ignition positiveoutput signal and the ignition negative output signal can provide short-circuit protection for an electro-explosive component; and in an ignition state, accesses are formed between the ignition positive voltage signal and the ignition negative output signal and between the ignition positive voltage signal and the ignition positive output signal, and therefore ignition excitation can be provided for the electro-explosive component. The MOS tubular ignition circuit can accurately and reliably send out ignition control signals to complete ignition control over the electro-explosive component; andthe safety of the electro-explosive component can be effectively guaranteed in the non-ignition state.

The invention discloses a USB female base with a built-in mechanical switch, which comprises a metal shell (1) used for encapsulation and equipped with an front opening, a tongue-shaped fixation base (3) installed inside the metal shell, and a metal pin (4) inlaid in the fixation base, wherein a boss (5) is disposed on the rear part of the fixation base, a groove is disposed in the boss, a switch is inlaid in the groove, a key part (6) of the switch is extruded from inside of the boss to the part above the metal pin, and a front end of a USB plug can trigger the key part in order to trigger the switch when the USB plug is inserted in the USB female base. The USB female base with the built-in mechanical switch disclosed by the invention is small in volume, and can be installed like a common female base. The switch is reliable in work and can be used widely, wherein (1) the switch can be connected into a VCC or a GND of the USB female base in order to realize on-off control of a power source end; (2) as an independent switch, the switch can also be connected into an applicable circuit to realize circuit control; and (3) a circuit with power consumption can be thoroughly disconnected by the switch in order to realize the zero power consumption at a stand-by state.

The invention discloses a deviation detection system and method for a gas calibrator. The system comprises calibrators, a flowmeter, an industrial control computer and a multi-serial port communication card, wherein there are a plurality of calibrators; a gas inlet of each calibrator is communicated with a zero gas source, and a gas outlet of each calibrator is communicated with a gas inlet of theflowmeter; there is an electromagnetic valve at the gas inlet of each calibrator; a communication interface of the industrial control computer is connected with a bus interface of the multi-serial port communication card, and multiple ports of the multi-serial port communication card are electrically connected with the flowmeter, a digital quantity collector and the plurality of calibrators respectively; multiple output interfaces of the digital quantity collector are electrically connected with the plurality of electromagnetic valves; the calibrators are used for controlling and collecting the flow in pipelines; the industrial control computer controls the calibrators and the electromagnetic valves and collects flow values detected by the calibrators and the flowmeter; and only one electromagnetic valve is in an open state at most at the same moment. The detection efficiency can be improved by adopting the system and method disclosed by the invention.

The invention provides an electric torch. An electric torch shell comprises a torch head and a torch body. A power source is arranged in the torch body and electrically connected with a light emitting element. An installation hole is formed in the torch body. The electric torch further comprises a dimming mechanism. The dimming mechanism comprises a rotary knob, a rotary part rotating along with rotation of the rotary knob, a first switch, and a circuit board. The rotary knob comprises a rotary knob head and a rotary rod. The rotary rod penetrates through the installation hole to extend into the torch body. The surface of the body of the rotary part is provided with a groove. The body of the rotary part is fastened to the tail end of the rotary rod of the rotary knob. The first switch is electrically connected with the circuit board and provided with a switching handle. The switching handle is located in the groove in the surface of the body of the rotary part. The switching handle can carry out switching motion under the acting force applied by the rotating rotary part. The circuit board is electrically connected with the power source and the light emitting element. The circuit board controls the current, input into the light emitting element, of the power source according to the switching motion of the switching handle of the first switch. The electric torch can achieve dimming conveniently and rapidly.

The invention relates to an external plug-in type intelligent power socket based on a microprocessor and under an infrared remote control signal decoding mode. The external plug-in type intelligent power socket comprises an external power plug, a main board and an output socket; the main board comprises an anti-thunder and anti-surge model, the microprocessor, an infrared receiving module, a DC voltage-stabilized power module, a double-way relay driving module, a current detecting conditioning module, a voltage detecting conditioning module, a USB power supply module, an external storing module and a wireless module. According to the intelligent power socket, the load current and voltage signals are acquired and recorded on real time; the power supply can be automatically cut off in case of excessively large load current or that the load is in a standby state; the intelligent power socket can be controlled through phone APP or infrared remote control signals; the infrared remote control signal decoding mode can be used for decoding any key of any infrared remote controller without infrared signal matching learning, and thus the output power supply can be controlled to be switched on and off. The intelligent power socket also has the anti-thunder and anti-surge functions and electric shock preventing function.

The invention provides a circulating device for transferring a magneto-rheological polishing solution through gravity drive. In the device, an installation support and a polishing wheel installation support are fixedly connected with a Z-shaft slide carriage fixed to a machine tool Z shaft so as to integrally move along with the machine tool Z shaft. A solution storage tank, a transferring pipeline and a nozzle are installed from high to low, so that the polishing solution is transferred to a polishing wheel through gravity drive to from a polishing ribbon. Flow regulation and closed-loop stability control of the transferring pipeline are conducted through a pipe connector with a size-adjustable opening, a magnetic-current valve with adjustable electromagnetic field intensity and an electromagnetic flow meter. Stability control of polishing solution moisture is conducted through a pressure sensor and a micro pump. In the circulating device for transferring the magneto-rheological polishing solution through gravity drive, no lift range changing exists in the transferring pipeline, and the problem that owing to the fact that transferring pipeline flow rate disturbance caused by changing of the movement height of the machine tool Z shaft occurs, polishing removal stability is influenced is solved; and the engineering problem that due to long-time working of the polishing solution, centrifugal pump temperature rising and high-speed shear thinning, performance of the circulating device is degraded can be solved.

Network access control method based on Neutron and GBP includes steps: the container cloud platform creates partitions, monitors the creation of Partition events, obtaining a token, creats the L2Policy associated with the L3Policy entered by the user in Openstack, creats a network with L2Policy,creats Subnet through Network, specifies Subnet Pool as L3Policy's Subnet Pool, and creats Policy TargetGroup corresponding to L2Policy and Subnet; GBP's resource is associated with Openstack's resource. The invention realizes network isolation of Kubernetes cluster tenants, network on-off control between container groups of tenants, network on-off control between tenant inner packaging groups and virtual groups, and bandwidth control of tenant inner packaging by connecting Openstack and GBP.

The invention discloses a system and method for one-way data transmission between internal and external gateways, which judges the legality of the data by retrieving whether the data on the external network contains sensitive keywords; and judges whether to transmit the data according to the judging result of the legality ; At the same time, according to whether the data to be transmitted is received or not, the on-off execution of the optical switch arranged at the initial end of the communication path of the internal and external network is controlled. The optical switch receives control instructions, and decides whether to perform electro-optical conversion work according to the control instructions, so as to realize the on-off control of data transmission between the internal network and the external network, so as to achieve not only physical isolation on the network link, but also The purpose of automatically turning on the link and performing high-speed data transmission when data needs to be transmitted.

The invention belongs to the technical field of electronic equipment, and discloses a circuit for converting wide input voltage into high-power low output voltage. The circuit includes a 9-60V power input end, a DCDC power module, a circuit control unit, an MOS pipe and a board-grade DCDC chip, wherein the input end of the DCDC power module is connected to the 9-60V power input end, and the output end of the DCDC power module is connected to the board-grad DCDC chip; the input end of the circuit control unit is connected to the 9-60V power input end, the enabled output end of the circuit control unit is connected to the enabled pin of the DCDC power module, and the control output end of the circuit control unit is connected to the grid electrode of the MOS pipe; the source electrode of the MOS pipe is connected to the 9-60V power input end, and the drain electrode of the MOS pipe is connected to the board-grade DCDC chip. Meanwhile, the invention also discloses a method for converting the wide input voltage into the high-power low output voltage. The circuit and method can achieve the conversion from the wide input voltage to the high-power low output voltage, meet the demands for high-power equipment, and improve power supply efficiency.

The invention provides an underwater robot power magnetically controlled switching device and a control method thereof. The underwater robot power magnetically controlled switching device comprises a baseplate, a DC/DC power module which is installed on the baseplate, a solid-state relay and a power input and output terminal. The input end of the DC/DC power module is connected with a main power. The output end of the DC/DC power module is connected with and drives the solid-state relay. The solid-state relay is connected with the power input and output terminal. The input end of the DC/DC power module is also connected two reed switches. One reed switch is installed at the position close to a voltage withstand shell by adopting a normally-closed connection mode, and the other reed switch is installed at the position away from the voltage withstand shell by adopting a normally-open connection mode. The two reed switches are consistent in installation direction. The switching device is controlled by a permanent magnet with no requirement for and radio and infrared controller or a mechanical plugging switch so that on/off control of power can be realized in an underwater robot non-steel pressure bearing sealed container in a noncontact manner through magnetic force.

The invention discloses a system for ensuring automatic powering-off of an intelligent mobile terminal after full charging. The system comprises a USB connector used to connect a charger, and an APP mounted in an intelligent mobile terminal. A wireless control unit is arranged between the charger and the intelligent mobile terminal, and the wireless control unit includes a controller chip. The USB connector is connected with a power switch MOS tube and a low-dropout linear regulator through a +5V power supply line. The low-dropout linear regulator is used to provide +3.3V voltage for the controller chip. The output end of the power switch MOS tube is connected with the USB connector. The controller chip is connected with a crystal oscillator. The invention further provides a method for ensuring automatic powering-off of an intelligent mobile terminal after full charging. The charging state of the intelligent mobile terminal is read through the APP of the intelligent mobile terminal, which is simple, intuitive and accurate. The problem that inaccurate and false judgment is caused by factors such as device aging for a traditional detection circuit for judging 'full charge' is completely solved.

The invention discloses an automobile instrument shell and a backlight module. The backlight module comprises an anti-surge circuit, a buzzer drive circuit, a comprehensive data display circuit, a backlight adjustable circuit, an expansion indication lamp drive circuit, an anti-static device and a CPU. The output end of the anti-surge circuit is connected with the power input end of the CPU, the power input end of the buzzer drive circuit, the power input end of the comprehensive data display circuit, the power input end of the backlight adjustable circuit and the power input end of the expansion indication lamp drive circuit. The signal output end of the comprehensive data display circuit is connected with the signal input end of the backlight adjustable circuit, the buzzer signal output end of the comprehensive data display circuit is connected with the signal input end of the buzzer drive circuit, the indication lamp signal output end of the comprehensive data display circuit is connected with the signal input end of the expansion indication lamp drive circuit, and the signal output end of the expansion indication lamp drive circuit is connected with the signal input end of the backlight adjustable circuit.

The electromagnetic valve comprises the non electromagnetic valve base locating at the utmost bottom of the electromagnetic valve, an air chamber formed at the upper center, guide valve opening and main valve opening from the air chamber to the outside wall, cross section of a valve being T shape and hallow, and the said valve connected with the non electromagnetic valve base through screw, with screw thread at the top, a magnetic valve core being a column, a round hole at the center of its end located at the center hollow part of the valve, a spring at the bottom of the said magnetic valve core and the valve, with the spring cased around the outside wall of the electromagnetic valve core, a Freon glue bar with the same size and shape of the magnetic valve core, putting into the hole of the magnetic valve core, an electromagnetic coil twisted around the outside wall of the valve, an outside shell cased outside of the valve with a round opening at the top, and the size being the same with the top of the magnetic valve and with nut fixed them in between.

The invention discloses a linkage switch. The linkage switch comprises a shell, wherein the interior of the shell is partitioned to a low-voltage cabin and a high-voltage cabin by an intermediate plate, two swinging rods are arranged in the high-voltage cabin, free ends of the swinging rods are connected with an inner wall of the shell via hinges, metal balls are fixedly arranged at the free endsof the swinging rods, a separator is arranged at a position of a middle line of the two swinging rods, rotation shafts are arranged at two ends of the separator, the rotation shafts are installed witha bearing seat in the shell in a matching way by a pair of bearings, the rotation shafts penetrate through the intermediate plate and the shell, and a pointer is fixedly arranged at an end part of each rotation shaft. The linkage switch employs a mode of low voltage to control high voltage, and electric shock of a person is prevented; with the adoption of dual swinging rods, rapid connection anddisconnection of high-voltage power are achieved; and moreover, the separator is additionally arranged, an inert gas is filled, arcing is effectively prevented, and a contact is prevented from being burnt.

The invention discloses a well drilling bypass circulation tool which comprises an outer cylinder structure. A central tube structure is coaxially arranged in the outer cylinder structure in a sleeving manner, an axially connected central through hole allowing drilling fluids to pass is formed in the central tube structure, an outlet end of the central through hole is provided with a throttle nozzle which can be axially fixed, an outer fluid passage allowing the drilling fluids to flow from inside to outside is formed in the side wall of the outer cylinder structure close to an inlet end of the central through hole, and an inner fluid passage is arranged on the side wall of the central tube structure in a connected manner, can be communicated with the outer fluid passage in an abutted manner and can circumferentially rotate to be staggered from the outer fluid passage. The tool solves the problems that a cuttings bed affects drilling progress in the drilling process of a highly-deviated well or horizontal well, and safety is poor in the prior art. By the tool, the cuttings bed can be removed at any time in the drilling process, and safety and efficiency in the drilling process are improved.

The invention relates to a split type high-voltage distribution box of a pure electric vehicle, which belongs to the technical field of electric vehicles and comprises a first high-voltage distribution box and a second high-voltage distribution box, wherein the first high-voltage distribution box is embedded in a battery pack, the first high-voltage distribution box comprises an insulating sheathshell, a relay and an external output port, the relay and the external output port are positioned in the insulating sheath shell, and the insulating sheath shell is provided with a mounting hole for extending out of the external output port; the second high-voltage distribution box is embedded into the battery pack, the second high-voltage distribution box comprises an insulating shell, an electric conductor and a rear-drive motor interface, the electric conductor and the rear-drive motor interface are arranged in the insulating shell, a fuse cover plate is arranged on the insulating shell, afuse is arranged in the fuse cover plate, the fuse is connected with the electric conductor, and the electric conductor is electrically connected with the battery pack. The first high-voltage distribution box and the second high-voltage distribution box are respectively embedded into the battery pack and are connected with the battery pack into a whole, so that the distribution box has the advantages of light weight, space saving, compact structure and low cost.

The invention provides an operation control center, a rail vehicle and a dormancy method, device and system. The dormancy method comprises the following steps that the rail vehicle receives a dormancyinstruction sent by an operation control center; and the rail vehicle disconnects a constant electricity power supply loop of the rail vehicle according to the dormancy instruction, and the constantelectricity power supply loop is a loop when a constant electricity power supply of the rail vehicle supplies power to a vehicle-mounted controller and a vehicle-mounted control and management systemof the rail vehicle. According to the dormancy method of the railway vehicle, disconnection control of the railway vehicle constant electricity power supply loop can be achieved, a problem that due toa fact that a capacity of a constant power supply is limited, lasting dormancy cannot be achieved is solved, a service life of the railway vehicle constant electricity power supply is prolonged, andthe dormancy time of the railway vehicle is prolonged.

The invention provides an expansion switch valve which comprises a valve body. An inlet, a first outlet, a second outlet and an inner runner communicating among the inlet, the first outlet and the second outlet are formed in the valve body. The inner runner is provided with a first valve element (503) and a second valve element (504), the inlet and the first outlet communicate directly or are isolated through the first valve element (503), and the inlet and the second outlet communicate through a throttling hole (505) or are isolated through the second valve element (504). Thus, by integrallyinstalling the first valve element and the second valve element on the inner runner of the same valve body, the refrigerant circulation and cut-off control and/or throttling expansion control functioncan be achieved, the structure is simple, and production and installation are easy; and when the expansion switch valve provided by the invention is applied to a heat pump system, pipe connection canbe simplified, the cost is reduced, the refrigerant filling amount of the whole heat pump system is reduced, and oil return of a compressor is facilitated.

The invention discloses an in-vitro diagnosis analyzer, a reagent card and a mounting structure. The mounting structure comprises a mounting body, wherein the mounting body comprises a mounting hole for sleeving a sample tube, a hollow needle arranged in the mounting hole, a sealing part arranged in the mounting hole and an air inlet channel, one end of the hollow needle can be inserted into the sample tube, the sealing part is in sealing fit with an outer wall of the sample tube, the air inlet channel comprises an air outlet hole and an air inlet hole formed on a surface of the mounting body,and the air outlet hole is used for communicating with the sample tube mounted on the mounting hole. The mounting structure can be used for mounting the sample tube, can realize on-off control of thesample liquid, and is beneficial to solving the hidden danger that the sample liquid leaks and cannot be extracted. The reagent card integrates the mounting structure, adopts a new sample liquid on-off control scheme, and can solve the hidden danger that the sample liquid leaks and cannot be extracted. When the in-vitro diagnosis analyzer is used, on-off control of the sample liquid is reliable,and improvement of detection reliability is facilitated.

The invention provides an operation control center, a rail vehicle and an awakening method, device and system of the rail vehicle. The awakening method comprises the following steps that the rail vehicle receives an awakening instruction sent by the operation control center; and the rail vehicle opens a constant power supply loop of the rail vehicle according to the awakening instruction, and theconstant power supply loop is a loop when a constant power supply of the rail vehicle supplies power to a vehicle-mounted controller and a vehicle-mounted control and management system of the rail vehicle. According to the awakening method of the railway vehicle, opening control of the constant power supply loop of the railway vehicle can be achieved, a problem that due to a limited capacity of aconstant power supply, persistent dormancy awakening cannot be achieved is solved, and the method is simple, easy to implement and low in development cost.