32results about How to "Reduced operating power consumption" patented technology

The invention belongs to the technical field of new energy automobile steering systems, and discloses a new energy automobile electric hydraulic power-assisted steering system and a control method thereof.The system integrates a double-source redundant hydraulic power unit, a hydraulic adjusting unit, a multi-dimensional working condition sensing unit and an intelligent main controller; the multi-dimensional working condition sensing unit is integrated with a road adhesion coefficient detection module and a battery remaining capacity detection module. The control method is layered look-ahead matching control and is executed by an intelligent main controller in parallel: a power-assisted decision-making layer divides a three-stage power-assisted mode according to multi-dimensional perception information, and limits a steering angular velocity when power-assisted is enhanced on a low-attached road surface; the energy optimization layer predicts and implements prospective energy storage and pump rotating speed self-adaptive adjustment based on the intention of a driver; and the fault diagnosis layer realizes rapid fault identification and redundancy switching through multi-parameter collaborative diagnosis. The contradiction of high energy consumption, response delay and weak safety guarantee of a traditional system is solved, and power-assisted steering which is safe, energy-saving, fast in response and high in adaptability is achieved.

The application discloses a low-power coal mine wireless roof detection system and method based on VCSEL wavelength demodulation, and the detection system comprises a low-power wireless fiber grating demodulator, a fiber grating roof state detection sensor module and a wireless base station. The total power consumption of the low-power coal mine wireless roof state detection system is less than 500 mW when the wireless base station is not included. The detection system utilizes low-power VCSEL fiber grating wavelength demodulation technology and wireless transmission technology to realize low-power and low-cost fiber roof state detection, and solves the problems of high cost, inconvenience in construction, high power consumption and inability to display on site of the traditional fiber roof state detection system. Since the VCSEL laser does not need temperature control, the overall power consumption of the system is as low as below 500 mW, greatly improving the flexibility of the layout of a single or multiple detection points.

The application provides an energy storage device, an energy storage module, an energy storage system, a charging network and a heat management method thereof. The energy storage device comprises an energy storage module, a heat exchange module, a heat dissipation module and a heat exchange pipeline assembly. The energy storage module comprises a plurality of battery devices. At least part of the heat exchange module is embedded in a ground source to exchange heat with the ground source. At least part of the heat dissipation module is exposed to an atmospheric source to exchange heat with the atmospheric source. The heat exchange pipeline assembly is used to circulate a heat exchange medium. The heat exchange pipeline assembly comprises a main heat exchange pipeline, a first bypass pipeline, a second bypass pipeline and a third bypass pipeline. The heat exchange module and the heat dissipation module can exchange heat with the battery devices. The energy storage device provided by the application has low operating power consumption, thereby effectively improving the energy storage efficiency of the energy storage device.

The utility model discloses an intelligent bird repelling device for insulator, include: power module, with main control module electric connection, be used for to main control module power supply, vibration detection module, with main control module electric connection, be used for detecting the vibration signal of bird pecking insulator when, bird module, including sounding unit and light unit, main control module and bird module electric connection, be used for according to vibration signal drive sounding unit and light unit to respectively produce different frequency sound and rhythm change's light to drive bird. The utility model discloses through vibration detection module to detect the vibration signal of bird pecking insulator when, get main control module can according to vibration signal drive sounding unit and light unit respectively produce different frequency sound and rhythm change's light to drive bird, can effectively improve the bird repelling effect, reduce deployment and maintenance cost, through vibration detection module can prevent the false triggering of bird module, reduce operating power consumption, improve the life.

This application discloses an energy-saving control method, apparatus, and LED display screen for an LED display screen. The method includes: determining the average grayscale values ​​of red, green, and blue LEDs corresponding to all pixels in the current image frame based on the color vector of the current image frame; determining the equivalent grayscale value of the current image frame based on the average grayscale values ​​of red, green, and blue LEDs; determining a first anode voltage and a second anode voltage based on the equivalent grayscale value, wherein the first anode voltage and the second anode voltage are voltages applied to the first and second anode pads, respectively; determining the pulse width modulation duty cycle of each LED chip based on the first anode voltage and the second anode voltage; and controlling the LED chips to illuminate based on the first anode voltage, the second anode voltage, and the pulse width modulation duty cycle. This energy-saving control method for an LED display screen can significantly reduce the power consumption of the LED display screen, thereby achieving energy saving.

The invention relates to an oil pump control method, device, equipment, medium, program and vehicle for a lubricant, and relates to the technical field of electric pumps, the method comprises the steps that a corresponding lubricant temperature is determined according to the vehicle speed and a calibrated mapping relation in response to the fact that a disengaging mechanism is in a disengaging state, and the mapping relation comprises the corresponding relation between the vehicle speed and the lubricant temperature; and according to the magnitude relation between the lubricant temperature and the preset lubricant temperature, the operation parameters of the oil pump are adjusted, and the operation parameters comprise at least one of the oil pump pumping amount, the oil pump operation duration, the oil pump pumping time interval, the oil pump set rotating speed and the oil pump set power. According to the embodiment of the invention, the overall operation power consumption of the oil pump control system of the lubricant is obviously reduced, and the lubrication safety in extremely high and low temperature environments can still be ensured without depending on a traditional oil temperature sensor.

The invention discloses a laser power automatic adjusting method and system in a remote foreign matter removing process of a power transmission line, and the method comprises the steps: recognizing and positioning a foreign matter through an inspection image, analyzing the spatial position relation between the foreign matter and a power transmission line, preliminarily judging the contact state of the foreign matter, and outputting a contact risk level; analyzing the foreign matter, and constructing an initial thermal coupling risk parameter based on the contact risk level; controlling the laser to perform short-time irradiation on the foreign matter for a preset time length at the tentative power, and synchronously collecting thermal response characteristic information generated by the surface of the foreign matter in the irradiation process; based on the thermal response feature information, comparing with a preset thermal response reference model, dynamically judging the actual thermal coupling state between the foreign matter and the power transmission conductor, and correcting the initial thermal coupling risk parameter in real time according to a judgment result to obtain a corrected thermal coupling risk parameter; and according to the corrected thermal coupling risk parameter, gradually increasing the laser power of the laser to an effective clearing power interval so as to complete foreign matter clearing.

The application relates to the technical field of urban underground pipe network safety monitoring, and discloses a wave corrugation compensator leakage positioning method and system based on an Internet of Things, which is applied to an Internet of Things system comprising a cloud server and a plurality of sensing nodes, and the sensing nodes are installed in the interlayer space of the wave corrugation compensator. The method comprises the following steps: collecting pressure and temperature data of the interlayer space by the nodes at a low frequency, triggering an adjacent node to enter a high-frequency acoustic sampling mode when the pressure change rate is greater than a dynamic threshold value; collecting an acoustic emission signal, filtering mechanical noise through a noise reduction model, and extracting fluid jet noise characteristics; performing cross-correlation analysis on the acoustic signals between the nodes to calculate the actual sound wave conduction distance, and verifying whether real leakage occurs by comparing with a physical topological distance; and finally evaluating the leakage grade according to the steady-state peak value of the pressure data and the acoustic frequency energy data, and outputting device coordinate information. The application has both ultra-low power consumption and strong anti-interference capability, and realizes accurate element-level leakage positioning.

The utility model discloses a liquid double rotor compressor and air conditioning system, wherein liquid double rotor compressor includes compressor body and gas -liquid separation liquid storage jar A, the compressor body includes seal cylinder body, be equipped with upper pump cavity and lower pump cavity in the seal cylinder body, be equipped with upper eccentric rotor in the rotation of upper pump cavity, be equipped with lower eccentric rotor in the rotation of lower pump cavity, the top of seal cylinder body is equipped with liquid outlet B, the side bottom of seal cylinder body is equipped with liquid inlet B, the top of gas -liquid separation liquid storage jar A is equipped with liquid inlet A, the bottom of gas -liquid separation liquid storage jar A is equipped with liquid outlet A, liquid outlet A and liquid inlet B are communicated through liquid -passing pipe. The utility model discloses liquid double rotor compressor and air conditioning system can reduce the risk of fluorine pump cavitation and promote the operation efficiency.

This application discloses a display panel and a display device, belonging to the field of display technology. The display panel includes: a substrate; scan lines extending along a first direction and spaced apart on the substrate; data lines extending along a second direction and spaced apart on the substrate, the scan lines and data lines intersecting on different layers to form sub-pixel areas; common electrode traces extending along the second direction and spaced apart on the substrate in the first direction; the projections of the common electrode traces and data lines on the substrate at least partially overlap; and bridging traces configured to bridge two adjacent common electrode traces in the second direction; the display device includes the above-described display panel. This application reduces the lateral space occupied by the common electrode traces in the pixel aperture area, improves the pixel aperture ratio and light transmittance, increases display brightness, reduces device operating power consumption, and can improve display uniformity and reduce vertical bright and dark stripes.

The application relates to the technical field of integrated circuit design, in particular to a coarse-grained clock management system, which forms a global state signal by third control chain chain transmission of a first state signal of a reference module and a second state signal of an external connection module, controls a core module to enter a clock management opening stage according to a continuous period in which the global state signal satisfies a second preset condition, and then changes the core module to a clock closing state, controls the core module to enter a clock management exit stage when the core module is in the clock closing state and the global state signal does not satisfy the second preset condition, and then changes the core module to a clock opening state, can control the core module to enter a low-power clock closing state when the core module is idle, effectively reduces chip running power consumption, and can respond to a task in time in the clock closing state, restores the core module to the clock opening state, and has little influence on chip running efficiency.

The application provides a low-power cryptographic card construction method based on dynamic cooperative optimization and a cryptographic card. The method comprises the following steps: after a hibernated cryptographic card is woken up, power consumption parameters are configured based on a target algorithm type and a predicted data amount; and under the power consumption parameters, a first algorithm unit is used to encrypt or decrypt a to-be-processed request. The first algorithm unit calls a main control processor to encrypt or decrypt the to-be-processed request. An interface of the cryptographic card comprises multiple channels. The power consumption parameters comprise a main control frequency of the main control processor and / or a channel enabling number of the multiple channels of the interface. The main control frequency is negatively related to an adjustment coefficient, the main control frequency is positively related to the predicted data amount, and the adjustment coefficient is determined based on the target algorithm type. The channel enabling number is positively related to a security coefficient, the channel enabling number is positively related to the predicted data amount, and the security coefficient is determined based on the target algorithm type. Through the technical scheme, the operation power consumption of the cryptographic card is saved, and resources are saved.

The application belongs to the technical field of ship environmental control application, and specifically discloses a novel air conditioning system applied to a ship, which comprises a ship body, a hatch, a heat exchanger shell, a heat exchanger air inlet, a heat exchanger air outlet, a heat exchanger air pipe, an air fan, an air outlet, an air inlet, a first air duct and a second air duct.The beneficial effects of the application are as follows:1. Energy saving and high efficiency: the constant temperature characteristics of the water body around the ship body are fully utilized as a natural cold source, and a compressor is not needed to participate in refrigeration, so that the operation power consumption of the air conditioning system is greatly reduced.2. Reasonable structure design and low cost: the complex components such as the compressor, the condenser and the outdoor fan of the traditional air conditioner are omitted, the system structure is greatly simplified, and the manufacturing cost and the maintenance cost are significantly reduced.3. Stable heat exchange: the heat exchanger shell and the like are installed in the underwater constant temperature layer, so that the influence of the external temperature and the direct sunlight on the cooling effect is avoided, and the stability of the air outlet temperature of the heat exchanger air outlet is ensured.

This utility model discloses an energy-saving structure for an air-cooled chiller unit based on multi-stage finned heat dissipation, relating to the technical field of air-cooled chiller units. It includes an air-cooled chiller unit body and an air-cooled chamber, with the air-cooled chiller unit body installed at the bottom of the air-cooled chamber. This utility model achieves energy-saving heat dissipation for the air-cooled chiller unit body by setting up a unidirectional heat dissipation component in conjunction with an energy-saving ventilation component. This solves the problem of poor energy-saving performance commonly found in existing air-cooled chiller units during actual operation. The ordinary finned structure used in these units has significant shortcomings in terms of expanding the heat dissipation area and optimizing air turbulence, resulting in low heat dissipation efficiency. Key components inside the unit, such as the compressor and condenser, are subjected to high-temperature conditions for extended periods. This high-temperature environment not only accelerates component aging and significantly shortens the overall service life of the equipment but also leads to high energy consumption during unit operation, reducing the effectiveness of the air-cooled chiller unit and achieving energy-saving heat dissipation.

The application discloses a non-von Neumann computing architecture construction method based on cognitive-physical dual dynamics, and belongs to the technical field of integrated circuits and brain-like computing. The application constructs a bidirectional isomorphic dual system of a cognitive field and a physical field, establishes an energy coupling conservation relationship, builds a storage and computing integrated scheduling architecture, realizes self-convergence and self-error correction of a computing process in combination with a pi compact normalized topological constraint, dynamically adapts computing power and power consumption, and completes multi-task logic isolation. The application breaks through the bottleneck of the von Neumann architecture, significantly improves the computing energy efficiency and operation stability, and is suitable for an end-side ultra-low-power intelligent computing scene.

The application provides an energy storage device, an energy storage module, an energy storage system, a charging network and a heat management method thereof. The energy storage device comprises an energy storage module, a heat exchange module, a heat dissipation module and a heat exchange pipeline assembly. The energy storage module comprises a plurality of battery devices. At least part of the heat exchange module is embedded in a ground source to exchange heat with the ground source. At least part of the heat dissipation module is exposed to an atmospheric source to exchange heat with the atmospheric source. The heat exchange pipeline assembly is used to circulate a heat exchange medium. The heat exchange pipeline assembly comprises a main heat exchange pipeline, a first bypass pipeline, a second bypass pipeline and a third bypass pipeline. The heat exchange module and the heat dissipation module can exchange heat with the battery devices. The energy storage device provided by the application has low operating power consumption, thereby effectively improving the energy storage efficiency of the energy storage device.

The embodiment of the present disclosure discloses an instruction fixed-length coding method, a processor, a storage medium and a program product. The method comprises the following steps: obtaining an original program, wherein the original program comprises original instructions; in a compilation stage, constructing a format protocol and a coding rule of instruction fixed-length based on a fixed coding length agreed by an architecture layer; compiling the original instructions into fixed-length instructions based on the format protocol and transmitting the fixed-length instructions into a processor; and the processor performs a coding operation on the fixed-length instructions based on the coding rule and outputs a coding result. The method can fundamentally eliminate the complex variable-length instruction coding logic by converting the variable-length instructions into a fixed-length format, simplify the processor hardware, save multiple hardware coding modules required by the variable-length instructions, reduce the chip area and power consumption, break through the rigid limitation of instruction processing throughput, adapt to parallel execution demand and improve the coding and execution efficiency.

This application discloses a deodorization, temperature control, and dehumidification system for a high-humidity air environment aquaculture workshop, belonging to the field of aquaculture technology. The system includes: an aquaculture workshop; the workshop includes an exhaust gas collection duct and a fresh air duct; the system further includes: a deodorization system, an energy recovery system, a fresh air system, and a refrigeration unit; the deodorization system includes: an ammonia absorption tower, an odor oxidation tower, a deodorization fan, an exhaust stack, and a first connecting duct; the energy recovery system includes: a heat exchanger, a second connecting duct, a condensate pipe, and a condensate pump; the fresh air system includes: a fresh air filter, a primary dehumidification heat exchanger, a secondary dehumidification heat exchanger, a fresh air fan, and a third connecting duct. The beneficial effect of this application is that it provides a deodorization, temperature control, and dehumidification system for a high-humidity air environment aquaculture workshop.

The invention discloses a phase change storage material and device based on two-dimensional elementary bismuthene. The chemical component of the phase change storage material is bismuth elementary substance, and the melting point is lt; 300 DEG C; an amorphous phase of the material is of a long-range disordered atom arrangement structure, a local structure is mainly a defective octahedron and has a four-membered ring and five-membered ring structure, the coordination number of most atoms is 3, and an energy band structure has no band gap; a crystal phase of the two-dimensional bismuthene material has a buckling hexagonal honeycomb layered structure, adjacent layers are connected with each other through Van der Waals force, and an energy band structure has a band gap. According to the invention, the two-dimensional elemental bismuthene is used as a phase change functional layer material, so that the component segregation phenomenon in the use process of the device can be physically and essentially eliminated, and meanwhile, the ultrathin size and the low melting point characteristic of the material have the advantages in the aspects of high-density integration and low-power-consumption operation of the phase change memory device.

The application discloses a high real-time license plate recognition system and method based on FPGA. The system comprises a camera driving module, an SDRAM control module, an image processing module and a VGA display module. The image processing module accurately locates the license plate boundary through RGB to YCbCr conversion, binarization, erosion and expansion, Sobel edge detection and row and column projection technology; then, character binarization and projection are carried out in the license plate area, character feature values are extracted, and a character recognition is realized by using a Xor template matching algorithm. The application utilizes the parallel processing capability and the pipeline design of FPGA, realizes low-delay (at most three frames) real-time license plate recognition and result visual display, and has high real-time performance, strong stability and good hardware compatibility.

The application relates to a method and system for implementing BNN forward inference on an FPGA with limited resources, comprising the following steps: S1, reading feature map information, and storing weight information into an on-chip RAM of the FPGA; S2, performing normalization and mean removal on a first-layer input image, and then performing 8-bit quantization to enter an intermediate network, wherein the intermediate network is divided into multiple macro convolution layers, binary weight and an activation function are adopted, and each convolution layer is processed in the order of convolution, batch regularization and activation; and S3, multiplying the last fully connected layer by using 8-bit quantization precision, and then judging and outputting. The application can greatly reduce the overhead of multipliers and memories, and greatly reduce running power consumption.

The invention provides a transmission assembly self-locking control method and a transmission control system, and relates to the technical field of transmission control. The method is applied to a controller of a transmission control system and comprises the steps that mechanical parameters of a transmission assembly are obtained, and the mechanical parameters comprise a turbine parameter, a worm parameter, a gear parameter, rope force and a friction coefficient; determining a lead angle according to turbine parameters and worm parameters; determining a resultant moment according to the lead angle, the turbine parameter, the gear parameter, the rope force and the friction coefficient; when the resultant moment is smaller than zero, self-locking of the transmission assembly is achieved according to mechanical force; when the resultant moment is larger than zero, self-locking of the transmission assembly is achieved according to electric control force or mechanical force. The transmission assembly self-locking control method and the transmission control system have the advantages of being lower in torque requirement and lower in motor operation power consumption.

This application relates to a video generation method, apparatus, computer device, and storage medium. The method includes: acquiring a first video stream captured by a main camera at a first frame rate, and a first event stream output by an event camera in a first acquisition mode; obtaining an event density based on the first event stream; if the event density meets a preset condition, controlling the event camera to switch to a second acquisition mode and acquiring a second event stream output by the event camera; and obtaining a second video stream based on the first video stream and the second event stream. This method enables low-power, long-duration, ultra-high frame rate slow-motion video generation.

The present invention relates to a water-saving and energy-saving hydrogen production system and method. A hydrogen separator and a hydrogen scrubber are sequentially connected to the hydrogen outlet of an electrolytic cell, and are respectively used for gas-liquid separation and cooling purification of hydrogen; the low-temperature passage of a hydrogen heat exchanger is connected to the hydrogen outlet of the hydrogen scrubber and the hydrogen inlet of a deoxygenation tower, and the high-temperature passage of the hydrogen heat exchanger is connected to the hydrogen outlet of the deoxygenation tower and the hydrogen inlet of a hydrogen cooler; the deoxygenation tower conducts a catalytic reaction on the oxygen mixed in hydrogen to generate water; the hydrogen cooler cools the deoxygenated hydrogen after heat exchange and realizes moisture condensation; a gas-water separator is connected to the hydrogen outlet of the hydrogen cooler to remove the liquid water in hydrogen; a drying tower is connected to the hydrogen outlet of the gas-water separator for drying hydrogen; an electrolyte heat exchange module is used for the electrolyte flowing out of the hydrogen separator to exchange heat with an external system and then flow back into the electrolytic cell. The present invention significantly reduces the energy consumption and water consumption of the hydrogen production system, improves the energy utilization rate and the adaptability in water-scarce areas, and improves the economy of green hydrogen.

This application discloses a digital calibration circuit and calibration method for a temperature-sensitive sensor, including a temperature acquisition module, a non-volatile storage module, a computation module, an output processing module, and a finite state machine for coordinating the time-sharing operation of each module. The temperature acquisition module is configured to acquire the analog temperature signal output by the temperature sensor and convert it into an N-bit temperature raw code. The non-volatile storage module stores multiple sets of temperature boundary codes and their corresponding calibration values ​​in ascending order of temperature. The computation module is configured to, under the scheduling of the finite state machine, first coarsely locate the target interval through sequential traversal, and then converge to obtain the final calibration value through synchronous binary search iteration. The output processing module is configured to process the final calibration value and output a calibration signal to the sensor's analog front end. This application adopts a processorless pure hardware architecture, does not rely on a CPU or software, has fewer circuit gates, and significantly reduces chip area and power consumption.

A control method and apparatus for water pumps in an air conditioning system, and an air conditioning system. The control method comprises the following steps: obtaining the number of water pumps currently running in the air conditioning system, and the current speed ratios and the current running lift of the water pumps; calculating a control range of the speed ratios according to the number and the current running lift; determining whether the current speed ratios are in the control range of the speed ratios or not; and if the current speed ratios are not in the control range of the speed ratios, switching the number of running water pumps so as to enable the speed ratios of the water pumps to fall within the control range of the speed ratios. According to the control method, the number of water pumps can be switched according to the running number of water pumps and the lift of the water pumps, so that it is guaranteed that the water pumps run in the high-efficiency interval under the full-load working condition, and the purposes of variable-frequency energy-saving control of the water pumps and reduction of running power consumption of the air conditioning system are achieved.

The invention provides a video content intelligent analysis method based on an edge computing platform, and the method comprises the steps: collecting a video stream through an image collection interface of the edge computing platform, and carrying out the preprocessing of a video frame at a CPU end, and obtaining standardized image data; the method comprises the following steps: converting a pre-trained neural network model into a special format model adaptive to an NPU (Network Processing Unit), and adopting a hierarchical quantization strategy in the conversion process: quantizing at least one network layer responsible for basic feature extraction in the model by adopting first numerical value precision, quantizing other network layers responsible for classification and regression in the model by adopting second numerical value precision lower than the first numerical value precision; dynamically scheduling the number of processing cores in an activated state in the NPU based on a processing load determined by analyzing the current video frame content represented by the standardized image data, and utilizing the processing cores in the activated state to load a special format model to infer the standardized image data; and post-processing the reasoning output result of the NPU to generate a structured analysis result.

The utility model relates to outer rotor motor technical field discloses a riveting transmission structure of outer rotor brushless motor for electric treadmill, including outer rotor casing and the end cap of setting in the end part of outer rotor casing, the end part of outer rotor casing exceeds the end face of end cap and exceeds the portion and forms the limit rivet point abutting to the outer end face of end cap through riveting cutting inwards bending, the outer end face of end cap is equipped with the limit rotation clamping groove of rivet point jointing for preventing end cap and outer rotor casing from generating relative rotation, the riveting transmission structure of outer rotor brushless motor for electric treadmill of the utility model, the limit rivet point of inwards bending can carry out axial location to the end cap on outer rotor casing, and the jointing cooperation between limit rivet point and limit rotation clamping groove can play the effect of limiting rotation, thereby effectively improving the connection stability between end cap and outer rotor casing. The limit rivet point formed through riveting cutting can improve the processing efficiency and the utilization rate of outer rotor casing raw material, thereby reducing the production cost.

The application discloses a control method of an air conditioner, the air conditioner and a storage medium. In the air conditioner, a refrigerant outlet of a first heat exchanger is communicated with a refrigerant inlet of a gas-liquid separator, a liquid outlet of the gas-liquid separator is communicated with a refrigerant inlet of a second heat exchanger, a refrigerant outlet of the second heat exchanger is communicated with a gas return port of a compressor through a first pipeline, a gas outlet of the gas-liquid separator is communicated with the first pipeline through a second pipeline, and the second pipeline is provided with a first electronic expansion valve. The method comprises the following steps: when the air conditioner is in a preset mode, a first temperature of the first heat exchanger is acquired, and a second temperature of the gas-liquid separator is acquired; the first heat exchanger and the second heat exchanger are in an evaporation state in the preset mode; a target opening degree of the first electronic expansion valve is determined according to the first temperature and the second temperature; and the first electronic expansion valve is controlled to operate at the target opening degree. The application aims to improve the heat exchange output capacity of the air conditioner and reduce the system operation power consumption.

The invention relates to the technical field of computer vision and artificial intelligence, and discloses a data processing method and device of intelligent glasses and electronic equipment. The method comprises the following steps: acquiring image data and acceleration data of a preset duration; extracting an image feature vector of the image data through a first network model; extracting an acceleration feature vector of the acceleration data through a second network model; and performing fusion analysis on the image feature vector and the acceleration feature vector through a third network model, and outputting a scene recognition result. According to the method, data acquisition, feature extraction and scene recognition are realized by deploying the lightweight private network model at the equipment end, the problem of high power consumption caused by continuous data acquisition is avoided, dependence on cloud processing is eliminated, and operation power consumption is reduced.