4results about How to "Accurate opening control" patented technology

The utility model discloses a kind of heat management system and air conditioner, it is related to air conditioner technical field, wherein, heat management system includes integrated valve island, heat exchanger assembly and temperature sensing module;Integrated valve island includes valve island ontology and first throttling device, multiple flow passages are equipped in the valve island ontology, and the first throttling device is integrated on the flow passage;Heat exchanger assembly includes plate heat exchanger, and the plate heat exchanger is equipped with the first refrigerant inlet and outlet and first refrigerant inlet communicating the flow passage;Temperature sensing module is at least partially placed in the flow passage, to carry out temperature detection to the refrigerant flowing through the temperature sensing module;The technical scheme provided by the utility model can realize accurate temperature measurement.

The application relates to the technical field of full premix gas water heaters, and discloses a full premix gas water heater, a control method thereof and a computer readable storage medium. The full premix gas water heater comprises a premixing cavity, a fan, an air door, a driving device and a position detection device, the driving device is used for directly driving the air door, the position detection device is used for detecting the opening degree of the air door, the control method comprises the following steps: in response to a heating instruction, a first air door control signal is generated, or a first air door control signal and a first fan control signal are generated; the first air door control signal is sent to the driving device, so that the driving device adjusts the opening degree of the air door, and the actual opening degree of the air door is received by the position detection device; and / or the first fan control signal is sent to the fan, so that the fan adjusts the rotating speed of the fan according to the first fan control signal. In the above manner, the control efficiency of the air door can be improved, the time for air to enter the premixing cavity is shortened, and the heating efficiency is improved.

The utility model discloses a kind of mechanical throttle pedal signal acquisition devices, it is related to the technical field of pedal, including suspension type pedal mechanism, signal conversion module;Pedal mechanism includes pedal seat, throttle pedal and pull rod;Pedal seat is installed on fixed frame;The front end of throttle pedal is rotationally installed on pedal seat, its rear end extends rearward and is installed with foot pedal in cantilevered mode;Throttle pedal is provided with torsion spring between pedal seat;Pull rod is fixed at the front end of throttle pedal, and extend in the direction away from throttle pedal;The other end of pull rod is hinged with pull line ring, and pull line ring is fixed with throttle pull line;Signal conversion module includes sensor support and linear displacement sensor;Linear displacement sensor includes detection body and telescopic rod;Telescopic rod is always abutted on pull rod. Through the cooperation of suspension type pedal mechanism and signal conversion module, the accurate detection to throttle pedal position change is realized.

The invention provides a reversing buffer control method and system for the piston stroke of a hydraulic drive compressor, and relates to the technical field of buffer control. Dynamic pressure signals of a hydraulic cavity and stroke signals of a piston during piston reversing are collected, and feature information representing pressure impact and oscillation and stroke deviation information are extracted; determining wear level data through trend analysis and calculating a coupling coefficient of the two, performing pressure fluctuation suppression by combining the feature information, the coupling coefficient and wavelet analysis to obtain an initial adjustment instruction, and generating a buffer compensation value based on the wear level data so as to optimize the initial adjustment instruction; according to the method, the target adjusting instruction for controlling the opening speed and the opening degree of the valve element of the bidirectional hydraulic lock is obtained, piston reversing pressure fluctuation suppression and buffer compensation accurate adaptation can be achieved, stable action of the valve element is guaranteed, and the stability and the adaptability of reversing buffer control of the hydraulic drive compressor are improved.