54results about How to "Control connection" patented technology

Method and corresponding device for coupling a shaft of an electric motor with a wheel shaft of an electrically powered or hybrid motor vehicle, the method comprising: - closed-loop control to formulate a first operating setpoint (Teint) for the electric motor based on the measured rotational speed of the electric motor and on the measured rotational speed of the wheels, said control involving an integration, - formulating a second operating setpoint (Teanti) based on the measured rotational speed of the wheels to which at least one coefficient is applied, - control of the operation of the motor about a final operating setpoint (Teref) formulated by adding the first and second operating setpoints together.

The invention discloses a multi-degree-of-freedom motion sealing device. The sealing device comprises a base plate, wherein a channel with the front communicating with the back is formed in the side wall of the base plate, a sealing plate is arranged in the channel, and a guide pipe is arranged at the upper end of the sealing plate; the upper end of the guide pipe penetrates through the top surface of the channel and extends to the upper part of the base plate, and a cover plate is arranged at the upper end of the guide pipe; a first through hole with the front communicating with the back is formed in the side wall of the sealing plate, a sealing groove is formed in the inner wall of the first through hole, and the sealing groove is an annular groove; a steel pipe penetrates through the first through hole, and an annular part rotationally sleeves the steel pipe; the annular part is arranged on the position, located at the front end of the sealing plate, of the steel pipe; and elastic pieces are connected to the side wall of the left end of the annular part and the side wall of the right end of the annular part, and wedge-shaped blocks are connected to the ends, far away from the annular part, of the elastic pieces; and the base plate is internally provided with two chambers. According to multi-degree-of-freedom motion sealing device, the steel pipe can be replaced conveniently,the sealing structure is simple, and the sealing effect is good.

The present invention relates to the field of furniture, in particular to a rail-type dining table that can freely splice the desktop, including a guide rail, a support frame, a table top, a shielding mechanism, a clamping mechanism, etc.; A desktop is connected, a shielding mechanism is distributed slidingly connected on the guide rail, and a clamping mechanism is slidably connected in the desktop. Through the block control mechanism and the slider control mechanism, the user manually pulls down the push frame to control the operation of the equipment, adjust the connection between adjacent desktops, and then control the sliding frame and its upper device between adjacent desktops. connections, making this device suitable for dining with larger or smaller groups of people.

The invention discloses a switch circuit and electronic equipment. The switch circuit controls the state of an electrical level output to a switch tube through a substrate control module, so that control over the on-off state of the switch tube is achieved, and thus the purpose of controlling the connection state of a working power supply and a working circuit is achieved. Specifically, when a switch button of the working circuit is in a first state, the switch tube is controlled to be switched off so that the purpose that the working power supply is connected with the working circuit, and a work voltage is provided for the working circuit can be achieved; when the switch button is in a second state, the switch tube is controlled to be switched on, so that the connection of the working power supply and the working circuit is broken, unnecessary waste of electric power is avoided, and the probability of accident electric leakage of the working circuit is lowered.

Disclosed is an SDN-based residential cell network control system, specifically comprising: a home network service terminal for substituting an existing router in a home, receiving an instruction of an SDN controller and providing a QoS guarantee for different terminals; a cell switch for connecting to the home network service terminal, receiving the instruction of the SDN controller and providing a QoS guarantee for different home network service terminals; a virtualized server for providing a virtualized desktop service to an intra-cell home user, receiving the instruction of the SDN controller and providing a QoS guarantee for different virtualized desktop connections; and the SDN controller, being a control centre of the whole cell network and used for dynamically issuing a flow table to the home network service terminal, the cell switch and the virtualized server according to a current condition of the cell network, allocating network bandwidth resources to each network connection of the user from top to bottom, and providing a QoS guarantee.

The invention discloses vehicle-mounted air conditioner refrigeration fault monitoring equipment based on internal and external temperature difference detection. The vehicle-mounted air conditioner refrigeration fault monitoring equipment based on internal and external temperature difference detection structurally comprises an outer steam cover, a temperature raising control device and a warning lamp device. The outer steam cover is provided with a water pipe, a glass cover and a liquid interlayer. The temperature raising control device is provided with a heating box and a water tank. The warning lamp device is provided with a control power supply box, a first sponge rod, a second sponge rod and a warning lamp. The vehicle-mounted air conditioner refrigeration fault monitoring equipment based on internal and external temperature difference detection has the beneficial effects that the internal temperature and external temperature of the glass cover can be adjusted so as to control theamount of water drops formed by water vapor and to further control the connection of a warning lamp circuit. By means of the method, fog on the glass cover can be seen by naked eyes, and whether the warning lamp is turned on or not can also be observed, so that whether the vehicle-mounted air conditioner refrigeration fault monitoring equipment runs normally or not can be judged.