7results about How to "Meet power consumption" patented technology

The embodiment of the invention relates to a double-water-tank water temperature and water level control method and device and a double-water-tank water supply system. The method comprises the steps that whether the current water temperature of a heating water tank is smaller than or equal to a first preset temperature or not is determined; if not, the current water level of the heat preservation water tank is determined; a target water level corresponding to the current moment is obtained, and the corresponding operation frequency of the heat pump unit at the current moment is determined based on the current water level and the target water level; based on the operation frequency, water in the heating water tank is heated; if the water temperature of the heating water tank is greater than the first preset temperature, controlling a water replenishing device to replenish water from the heating water tank to the heat preservation water tank. According to the embodiment of the invention, the two water tanks are independent, the operation frequency of the heat pump unit is adjusted according to the water level of the heat preservation water tank, the power consumption of the heat pump unit is adjusted according to the actual water demand and the water temperature, and the power consumption is further reduced on the basis of meeting the water demand of a user.

The invention provides a flapping wing design method with low power consumption and thrust increasing characteristics, a flapping wing and a long-endurance flapping wing aircraft. When the ornithopter flies, the driving mechanism drives the flapping wings to perform single-degree-of-freedom flapping motion, the wing surfaces generate optimal passive deformation matched with the flight speed under the action of aerodynamic force, deformation and motion of wings in the flight process of birds in nature are simulated, and the design of bionic wings with high thrust, high lift and low power consumption is realized; the flapping wings have better thrust characteristics, the trimming frequency is reduced, so that power consumption is greatly reduced, the shape of a fuselage shell meets the aerodynamics requirement, the resistance effect caused by the fuselage is reduced, and the fuselage has the advantages of being light in weight, good in impact resistance effect and the like due to the section shape, the material and the structural form of the fuselage. And the requirements of typical flight states such as cruise flight and belly landing are met.

The application relates to a power supply multiple working mode automatic switching controller and a car, a power supply module one is configured to receive a power input signal and output a power supply signal one; an MCU microcontroller is configured to enter a standby state in response to the power supply signal one, listen to a wake-up signal, and send a SOC state switching signal based on a listening result; a power supply module two is configured to receive a power input signal and output a power supply signal two, and switch between a PFM mode and a PWM mode according to a level high-low result of the listening result obtained through a MODE pin; and a SOC circuit is configured to enter a standby state in response to the power supply signal two and switch between a sleep state and a normal working state according to the SOC state switching signal. The application can solve the problem that a power supply chip can only run in a single mode and cannot be switched in the related art.

The invention provides a lightweight deep learning target detection and recognition model and method, and the method comprises the steps: carrying out the lightweight processing of a network frame based on a YOLOv5s algorithm, obtaining an overall frame module, carrying out the processing and feature extraction of an input image through a convolution layer, an RELU activation function, dimension splicing, and summation operation through a CnTR module, and obtaining a feature extraction result, the loss function module adopts a GIOU loss function, measures the difference between a prediction value and a true value of the model according to a feature extraction result, and guides parameter adjustment of the model; the activation function module adopts an RELU activation function to carry out nonlinear transformation on a feature extraction result; the model quantification module quantifies parameters and data in the overall framework module, the feature extraction module and the activation function module, and reduces the storage demand and calculation amount of the model. The method has the advantages of being light in network weight, high in calculation efficiency, high in detection precision, suitable for FPGA platform application and the like, and an efficient target detection task can be achieved in a resource-limited environment.

The invention discloses a broadband radio frequency transceiving multifunctional chip covering a low frequency band and having an internal multi-module multiplexing structure, and belongs to the technical field of semiconductor radio frequency devices. A five-bit numerical control attenuator, four single-pole double-throw switches, a two-stage amplifier, a fixed attenuator, a biasing circuit and a TTL level driving circuit are integrated in the chip. Through a specific topological connection structure, hardware multiplexing of the first amplifier and the five-bit numerical control attenuator between a receiving channel and a transmitting channel is realized by using four single-pole double-throw switches, and the chip area and power consumption are remarkably reduced. The broadband coverage from a hundred MHz level low frequency to a ten GHz level high frequency is realized through a biasing circuit structure with multiple levels of inductors connected in series and RC grounded between the levels. A static working point adjusting port is led out from the chip, and power consumption and linearity can be flexibly configured through an external resistor. The invention has the advantages of high integration level, low power consumption, large bandwidth, strong universality and good index consistency, and is particularly suitable for multi-channel transmit-receive systems such as phased array radars and the like.

The application provides a processor cluster system and a control method thereof. The processor cluster system comprises a first optical switch, a network controller, optical cables and a plurality of computing resource disks. Each computing resource disk comprises one or more optical modules and one or more graphic processors, and each graphic processor is electrically connected to the one or more optical modules. The optical modules are optically connected to the first optical switch through the optical cables. The network controller is communicatively connected to the first optical switch and the computing resource disks. The network controller is configured to control the first optical switch to switch an optical path according to data exchange requirements of the graphic processors. The first optical switch is configured to connect the optical module of any first graphic processor in a plurality of graphic processors specified by an instruction to the optical module of any second graphic processor according to the instruction of the network controller, so as to transmit a load data optical signal. Based on this, optical interconnection between any two graphic processors in the cluster can be realized, and the data transmission efficiency is improved.

The present invention relates to a backup power supply, comprising: a first sub-power supply, which is configured to provide alternating current power, the first sub-power supply being connected to an input terminal of an AC / DC converter; an AC / DC converter, which is configured to convert alternating current power into direct current power, an output terminal of the AC / DC converter being connected to an output terminal of the backup power supply; and a second sub-power supply, which is configured to provide direct current power, the second sub-power supply being connected to the output terminal of the backup power supply. In addition, the present invention also relates to an operating method for the backup power supply. According to the present invention, it is possible to provide a backup power supply solution that is highly reliable and can adapt to power consumption requirements of a load having a large variation in power requirements, such as a draught fan.