8results about How to "Easy switch control" patented technology

The invention discloses a power-interruption-free multiplexing actuator two-gear change wheel-side dual-motor independent driving system which comprises a first driving motor, a first primary speed reducer, a first duplex planetary compound gear train, a first intermediate shaft, a first secondary speed reducer, a first output shaft, a first controllable one-way clutch and a first hydraulic multi-plate friction clutch. And the second driving motor, the second first-stage speed reducer, the second duplex planetary compound gear train, the second intermediate shaft, the second second-stage speed reducer, the second output shaft, the second controllable one-way clutch and the second hydraulic multi-plate type friction clutch. The driving systems are arranged in a centralized mode and independently drive wheels on one side, and the same gear shifting control mechanism is reused on the two sides. By controlling the controllable one-way clutch and the multi-piece type friction clutch, seven driving modes including first-gear driving, second-gear driving, neutral gear, first-gear regenerative braking, second-gear regenerative braking, reverse running and parking braking can be achieved, and switching of the driving modes on the two sides can be completed at the same time without power interruption.

An embodiment of the utility model provides a frequency conversion control system, which comprises a frequency converter to be controlled, a first control device, a switching device and a second control device, the switching device is connected with the frequency converter, when the switching device receives a first switching signal, a communication link is established between the frequency converter and the first control device, and the frequency converter is connected with the second control device. Moreover, when the switching device receives a second switching signal, a communication link is established between the frequency converter and the second control device, and the frequency converter is started or stopped in response to the first control signal of the first control device and / or the second control signal of the second control device. According to the scheme, simple and convenient local and remote switching control is realized, and meanwhile, the problems of multiple system fault points, high fault rate and high maintenance difficulty caused by the fact that a plurality of control buttons, relays and a large number of control circuits are arranged on the cabinet door of the frequency conversion cabinet for switching control are avoided.

The utility model discloses a multi-channel switching air tightness detection device which comprises an installation cylinder, the outer surface of the installation cylinder is fixedly connected with a switching cylinder, one end of the switching cylinder is provided with a connecting hole, the inner side surface of the switching cylinder is fixedly connected with a limiting strip, one end of the inner part of the switching cylinder is slidably provided with a sealing plate, and the sealing plate is provided with a through hole. A notch is formed in the outer circle surface of the sealing plate and slidably connected to the surface of one end of the limiting strip, a connector is installed at the end of the switching cylinder in a combined mode, threaded heads are arranged at the two ends of the connector, a through hole is formed in one end of the interior of the connector, and a fixing groove is formed in one end of the connector. And a jacking spring is fixedly installed in the fixing groove, one end of the jacking spring is connected to the surface of one side of the sealing plate in a jacking mode, and an adjusting notch is formed in the sealing block, so that the inflation direction can be adjusted in a rotating mode, multi-channel switching control is facilitated, adaptability is high, and combined use is facilitated.

The invention relates to a motion state switching mechanism, a synchronous opening and closing structure and a clamping device for barrel material carrying, and relates to the technical field of material transfer, the motion state switching mechanism comprises a track plate and a supporting column connected to the track plate, the track plate is provided with a cam track and an annular track, and the cam track and the annular track partially coincide; a sliding block is jointly arranged in the cam track in a sliding mode and used for being connected with a moving part arranged in the sliding rail in a sliding mode, a switching assembly is arranged on the track plate, when the track plate rotates forwards relative to the supporting column, the switching assembly guides the sliding block to slide in the cam track so that the moving part can slide in the sliding rail in a reciprocating mode, and when the track plate rotates backwards relative to the supporting column, the switching assembly guides the sliding block to slide in the cam track. The switching assembly guides the sliding block to slide in the annular rail so that the moving part can be static in the sliding rail, the movement form of the moving part is applied to barrel material carrying, and the containing space needed by lifting can be saved. The truss manipulator has the effect that the truss manipulator can be applied to a working place with a narrow top space.

The utility model relates to the technical field of daily necessities, and discloses a double-sided glass wiper which comprises an outer wiper body and an inner wiper body which can be mutually attracted through magnetic force, and at least one of the outer wiper body and the inner wiper body comprises a base; the scraping pieces are respectively arranged on two opposite sides of the base; the friction piece is in transmission connection with the scraping piece through a transmission assembly, and when the double-sided glass wiper moves relative to the to-be-cleaned surface, the friction piece moves backwards relative to the base under the action of the friction force between the friction piece and the to-be-cleaned surface, so that the friction piece drives the scraping piece located on the front side of the advancing direction to be away from the to-be-cleaned surface and does not work through the transmission assembly; a scraping piece located on the rear side of the advancing direction is driven to be close to the to-be-cleaned surface to conduct scraping work; the double-sided glass wiper further comprises a magnetism isolating structure, the magnetism isolating structure is used for being placed between the outer wiper body and the inner wiper body when the double-sided glass wiper is stored, and the magnetism isolating structure is provided with a first containing space used for containing the friction piece.

The utility model provides a work lamp relates to lighting lamp technical field, including handle and install the lamp body on handle, the lamp body includes radiator assembly, back cover and connecting line, be provided with annular storage groove between radiator assembly and back cover, the built -in LED light source board and drive power supply of radiator assembly, one end of connecting line is connected with drive power supply, the other end can be around setting in annular storage groove, when not using connecting line, can be stored in annular storage groove, avoid losing connecting line, convenient to carry, use connecting line, take down connecting line from annular storage groove, the interface end of connecting line is connected to charging equipment, this work lamp, through setting up annular storage groove between radiator assembly and back cover, and setting up second storage groove on back cover, and cooperate with carding, has realized the effective storage of connecting line, avoided losing connecting line, and connecting line storage, convenient to carry.

The utility model discloses a centralized liquid supply equipment disinfection device for hemodialysis, which comprises a main supply pipeline, a plurality of groups of branch pipes are fixedly connected outside the main supply pipeline, first valves are fixedly connected in the branch pipes, the centralized liquid supply equipment disinfection device further comprises a rack, a steam disinfection assembly and a disinfectant disinfection assembly are arranged on the rack, and the steam disinfection assembly and the disinfectant disinfection assembly are arranged on the rack. The steam sterilization assembly is arranged on the fixing frame, a cleaning pipe and a blow-off pipe are fixedly connected to the two ends of the main supply pipeline respectively, a second valve is fixedly connected into the blow-off pipe, a third valve is fixedly connected into the cleaning pipe, and a switching assembly is further arranged on the outer portion of the fixing frame. The main supply pipeline can be disinfected through disinfectant by means of the disinfectant disinfection assembly, switching control can be conveniently conducted on the steam disinfection assembly and the disinfectant disinfection assembly by means of the switching assembly, and the disinfection effect can be conveniently improved.

The present invention discloses a valve and a control method thereof, a water filtering device and a control method thereof, which relate to the technical field of control valves, wherein the valve comprises: a housing, wherein a flow channel is provided in the housing; an isolating member capable of blocking the flow channel, wherein a back pressure cavity is formed between the side of the isolating member away from the flow channel and the housing, and a second opening is provided on the isolating member; a first opening connected to the back pressure cavity; a transmission member capable of driving the isolating member to move, wherein the transmission member can block the second opening; and the valve has at least three states: in the first state, the transmission member blocks the second opening, and the isolating member blocks the flow channel; in the second state, the second opening is in an open state, and the isolating member blocks the flow channel; in the third state, the transmission member drives the isolating member to separate from the flow channel. The present application can meet the demand for multiple flow rates at a low cost.