14results about How to "Realize on-off" patented technology

The application relates to the field of water-saving irrigation, and discloses a low-power remote flow control valve which comprises a control valve body; the control valve body comprises a communication pipeline, a piston cavity and a control box body arranged from bottom to top; the communication pipeline comprises a first pipeline and a second pipeline which are blocked by a partition plate; the piston cavity is provided with a reset piece and a piston body; and the control box body is provided with a power supply device, a controller, a first electromagnetic valve and a second electromagnetic valve. The low-power remote flow control valve realizes low-energy consumption and remote flow control through the cooperation between the structures.

This utility model discloses a convenient three-way valve for easy assembly and disassembly in the field of pipeline valve devices. It includes a valve mounting seat, a valve body, and a drive mechanism. The valve mounting seat has an opening in the middle, with three inner mounting bevels inside the opening. The valve body has corresponding outer mounting bevels on each of the three inner mounting bevels. The valve body has three connecting passages separated by a valve core, each extending from an inner mounting bevel into the valve body. The valve body is fitted into the opening, with the outer mounting bevels pressing against the inner mounting bevels. The three connecting passages within the valve body are sealed to the inner ports. The drive mechanism is mounted on the valve body and driven by the valve core, controlling the position of the valve core to open and close the three connecting passages. When maintenance or replacement is required, the cover plate of this three-way valve can be directly opened, and the valve body removed from the valve mounting seat without needing to chisel through the wall, maintaining the aesthetics and overall consistency of the wall. It is suitable for use in household and other applications involving in-wall pipe connections and conversions.

The utility model belongs to switch technical field especially relates to a switch linkage extender, including signal input and control module, relay drive module and signal output module, signal input and control module includes USB male head, triode, first resistance and second resistance, relay drive module includes relay, freewheeling diode, fifth resistance and sixth resistance, USB male head is inserted with the USB female head of computer host, the high -speed data transmission difference signal positive terminal of USB male head is connected with first resistance, sixth resistance, the high -speed data reception difference signal positive terminal of USB male head is connected with fifth resistance, first resistance is connected with second resistance, the base of triode, the collector of triode is connected with the anode of freewheeling diode, the first common end of relay, the negative pole of freewheeling diode is connected with the first normally open end of relay, fifth resistance, through using the utility model can realize the linkage of the door lamp between the package and computer host.

The utility model relates to the technical field of connectors, and discloses a Type-C connector circuit and a magnetic Type-C connector, and the circuit comprises a first port and a second port which are connected with an external device; the input current of the first port is smaller than that of the second port; the power supply detection circuit comprises a switch module and an enabling control module which are connected, and the switch module is connected with the first port and the second port at the same time; the PD processor is connected with the power supply detection circuit and used for generating an enable signal when the second port is connected, the PD processor is connected with a third port of the audio earphone and a fourth port connected with the electronic equipment, and the third port is in communication connection with the fourth port; wherein the enabling control module is used for controlling the switch module to be switched on through an enabling signal and enabling the input current of the second port to be input to the third port and the fourth port. The method is applied to the Type-C connector, so that the effect that the audio earphone is used while the equipment is charged is achieved.

The application relates to the technical field of relays, in particular to a novel magnetic latching relay which comprises a shell, a contact mechanism fixedly installed in the shell, the contact mechanism comprising a first static foot and a second static foot, the first static foot and the second static foot being fixedly installed on one side in the shell, a first static contact being fixedly installed on the first static foot, a second static contact being fixedly installed on the second static foot, a rotating mechanism being rotatably connected to one side in the shell and located between the first static foot and the second static foot, two dynamic contacts being fixedly installed on the rotating mechanism and used for cooperating with the first static contact and the second static contact to realize circuit on-off, a pushing assembly being fixedly installed in the shell and used for driving the rotating mechanism to rotate, and an electromagnetic assembly being fixedly installed in the shell and used for driving the pushing assembly, through rotation of the rotating mechanism, the two dynamic contacts on the rotating mechanism are respectively attached to the first static contact and the second static contact, the single-contact stroke is shortened, and the working efficiency of the device is improved.

This utility model relates to the field of sweeping machine technology, specifically disclosing a drain valve and a sweeping machine. The drain valve includes a housing, a piston assembly, and a drive assembly. Using this drain valve, a transmission component is mounted on the housing, and the drive assembly is driven to the piston assembly via the transmission component. This allows the drive assembly to move the piston assembly reciprocally within the valve body cavity, thereby controlling the connection or disconnection of the inlet and outlet water outlets through the movement of the piston assembly, thus controlling the opening and closing of the drain valve. Unlike existing technologies where a motor directly drives the piston to open and close the valve, this drain valve's designed transmission component enables efficient power transmission, improving the working efficiency and service life of the drain valve. It effectively solves the problem of poor power transmission efficiency of motors in existing drain valves, which leads to poor working efficiency.

The utility model discloses a filtering device for water pollution prevention and control, and belongs to the technical field of water pollution prevention and control. The filtering device for water pollution prevention and control comprises a connecting piece, a liquid inlet assembly and a filtering assembly, the filtering assembly is arranged outside the connecting piece, the liquid inlet assembly is arranged above the filtering assembly, the liquid inlet assembly comprises a pair of circular plates, the top ends of the pair of circular plates are communicated with liquid inlet pipes, and a communicating pipe is communicated between the ends, away from the circular plates, of the two liquid inlet pipes; solenoid valves are installed at the ends, away from the communicating pipe, of the two liquid inlet pipes, hollow bases are arranged at the bottom ends of the pair of circular plates, connecting rings are arranged at the bottom ends of the two hollow bases, the ends, away from the liquid inlet pipes, of the two solenoid valves communicate with pipelines, and the ends, away from the solenoid valves, of the two pipelines penetrate through the circular plates and the hollow bases and extend into the hollow bases. The filter assembly comprises a pair of filter cartridges, and the filter cartridges are installed on the two sides of the outer portion of the connecting piece respectively.

The utility model discloses a connecting end, fluid connector and liquid cooling system relates to fluid connector technical field. The connecting end includes valve body, valve cover and connecting cap, and valve cover and connecting cap rotatably are established in the valve body outside, and connecting cap is detachably connected with valve cover, and the valve body is axially limited between connecting cap and valve cover, valve cover is equipped with valve cover through -hole, and the valve body is equipped with valve body passageway, and through the rotation of valve cover relative to valve body, makes valve cover through -hole intercommunication to open corresponding valve body passageway, or staggered to close corresponding valve body passageway. Valve cover and connecting cap can be axially limited to valve body, can effectively avoid the axial movement of valve body relative to valve cover, through the rotation between valve cover and valve body, can realize the on-off of connecting end, is convenient for operating, guarantees that connecting end can normally complete on-off function, simultaneously, connecting cap and valve cover set up in the outside of valve body, and the assembly relation is simple, when needing connecting end maintenance, can directly dismantle connecting cap, valve cover in the outside of valve body, and the maintenance is convenient.

The utility model relates to an electrical quick-change connector of a disc-type battery system for electric engineering machinery, and belongs to the technical field of engineering machinery. Comprising a first switching disc and a second switching disc which are arranged in a matched mode, the first switching disc and the second switching disc are connected through a fixing shaft, the first switching disc is provided with a plurality of front-end switching ports, and the second switching disc is provided with a plurality of rear-end switching terminals. When the first adapter disc and the second adapter disc are attached, the plurality of front-end adapter ports and the plurality of rear-end adapter terminals are correspondingly attached, connected and conducted. A plurality of front-end switching interfaces are integrally connected to a first switching disc, a plurality of rear-end switching terminals are integrally connected to a second switching disc, and whether the first switching disc and the second switching disc are attached or not is adjusted through rapid rotation, so that on-off of an overall circuit is achieved, rapidness and convenience are achieved, multiple sets of wire harnesses are disassembled at the same time, and the disassembly efficiency is improved. And the requirements of electric engineering equipment can be well met.

The utility model discloses a kind of based on quick circuit breaker transformer closing rush current management device, belong to closing rush current management technical field, including transformer, circuit breaking component, voltage transformer A, voltage transformer B and current transformer, the circuit breaking component incoming line end is connected with outer net, the circuit breaking component outgoing line end is connected with the incoming line end of transformer.This based on quick circuit breaker transformer closing rush current management device, by voltage transformer B, current transformer cooperation measurement module, the voltage and current signal of load end are measured, cooperate programmable logic device, the residual magnetism of transformer is calculated, cooperate controller, the on-off of circuit breaking unit is realized, compared with existing device, avoid the influence of residual magnetism when secondary closing, so that the problem that the voltage and the magnetic field of core are no longer completely synchronous, improve the management effect to rush current.

The utility model relates to an electric drive bridge, it has main drive motor module, speed reducer assembly and differential assembly, speed reducer assembly has intermediate shaft assembly, output shaft assembly and first gear shift mechanism, second gear shift mechanism, the torque of main drive motor module can pass through intermediate shaft assembly and output shaft assembly and transmit to differential, main drive motor module includes main drive motor, main drive first driving gear, main drive second driving gear and main drive module gear shift mechanism, main drive module gear shift mechanism can realize the transmission torque's connection of the output shaft of main drive motor and main drive first driving gear or main drive second driving gear, output shaft assembly includes planetary gear reduction device, output shaft driven gear and differential input gear, the planet carrier of planetary gear reduction device is connected in transmission torque with differential housing, differential input gear is connected in transmission torque with differential housing through differential input shaft and differential housing. The utility model relates to an electric truck with the electric drive bridge.

This utility model discloses a discharge device, including a base and a discharge rod that can move up and down inside the base. A drive assembly is connected to the lower inclined surface of the base, and the output end of the drive assembly is connected to the lower outer wall of the discharge rod for driving the discharge rod to move up and down. A cover plate is connected to the upper end of the discharge rod, and the cover plate is used to block the feed inlet of the base. The drive assembly drives the discharge rod to move up and down to achieve the opening and closing of material discharge. The drive assembly includes two support members and two drivers. The two support members are respectively connected to two inclined surfaces at the lower end of the base, and each of the two support members is connected to a fixed end of one of the drivers. The purpose of this utility model is to overcome the shortcomings of existing discharge devices and provide a discharge device that solves the problem of uneven material mixing and dead zones in powder circulating mixing equipment, thereby improving product quality.

The utility model discloses a connector and a power supply system. The connector comprises a socket, a plug, a power transmission line and a communication line. The socket comprises a base, and a male plug-in part, an overload protection switch and an electric control assembly which are arranged on the base, and the electric control assembly is electrically connected with the male plug-in part; the plug comprises a female plug-in part and a connecting wire harness, the female plug-in part is electrically connected with the male plug-in part, and the connecting wire harness is electrically connected with the female plug-in part through an overload protection switch; the power transmission line is electrically connected with the electric control assembly and is used for electrically connecting the male plug-in part with a power supply so as to transmit power supply current between the male plug-in part and the power supply; and the communication line is electrically connected with the overload protection switch, and the communication line is used for transmitting a current signal corresponding to the power supply current to the overload protection switch, so that the overload protection switch controls the connection and disconnection of the connection wire harness and the female plug part according to the current signal. The energy storage equipment can be prevented from being damaged due to overload, and the safety requirement of a user for charging and discharging can be better met.

This application provides a hydraulic clearance adjuster, an engine, and a vehicle. The hydraulic clearance adjuster includes: a housing; at least a portion of a plunger disposed within a first receiving cavity, with an oil drain channel formed between the outer peripheral surface of at least a portion of the plunger and the side wall of the first receiving cavity, and a first working cavity formed between the bottom of the plunger and the bottom of the first receiving cavity, the plunger being movably disposed relative to the housing to change the volume of the first working cavity; a first annular gap formed between the inner ring of a seal and the outer peripheral surface of the plunger, the first annular gap communicating with the first working cavity; a second annular gap formed between the outer ring of the seal and the inner side wall of the housing, the second annular gap communicating with the oil drain channels located on both sides of the seal; and a communicating channel formed on at least one of the seal and the housing, the communicating channel communicating with the oil drain channels located on both sides of the seal. The hydraulic clearance adjuster dynamically adjusts the flow cross-section of the oil drain channel according to the oil pressure, thereby precisely controlling the hydraulic stiffness damping.