54results about How to "Avoid power consumption" patented technology

An audio parameter negotiation method and a communication device, the method comprising: a second communication entity negotiates an audio parameter based on an IVAS encoded audio format and an IVAS decoded audio format supported by a first communication entity, and an IVAS encoded audio format and an IVAS decoded audio format supported by the second communication entity; transmitting fifth audio format information indicating at least one fifth audio format and sixth audio format information indicating at least one sixth audio format to the first communication entity, the fifth audio format information indicating at least one fifth audio format, and the sixth audio format information indicating at least one sixth audio format, the fifth audio format is an audio format to be adopted by the first communication entity during IVAS decoding and / or the second communication entity during IVAS encoding, and the sixth audio format is an audio format to be adopted by the first communication entity during IVAS encoding and / or the second communication entity during IVAS decoding. According to the method, the negotiation of the IVAS coding and decoding audio format with finer granularity can be realized.

The invention relates to a variable-frequency air-cooled water chiller which comprises a shell, a cooling fan and a protective cover are arranged in the shell, a filter screen plate is arranged on the protective cover, a cleaning assembly is arranged in the protective cover and comprises a cleaning plate arranged on the filter screen plate, a plurality of brushes are arranged on the cleaning plate and abut against the surface of the filter screen plate, and the filter screen plate is arranged on the cleaning plate. The filter screen plate is rotatably arranged on the protective cover, the outer surface of the filter screen plate is fixedly sleeved with a driven gear ring, a driving motor is arranged on the shell, an output shaft of the driving motor is provided with a driving gear meshed with the driven gear ring, and the driven gear ring is driven by the driving gear to rotate, so that rotation of the filter screen plate is achieved; and a brush on the cleaning plate cleans impurities such as dust adhered to the filter screen plate, so that the filter screen plate is prevented from being blocked. The variable-frequency air-cooled cooling-water machine has the effect of reducing the energy loss.

The embodiment of the invention discloses a bus voltage sampling circuit and a power supply system, and the circuit comprises a high-voltage sampling unit which is used for sampling a DC bus voltage and outputting a first voltage signal, and is connected with a first controller; the signal conversion unit is used for converting the first voltage signal into a current signal and outputting the current signal, and is connected with the output end of the high-voltage sampling unit; and the signal restoration unit responds to the current signal to output a second voltage signal, is connected with the output end of the voltage-controlled current source, and is also connected with the second controller. According to the embodiment of the invention, the direct current bus voltage of the first controller is converted into the current signal, then the current signal is restored into the voltage signal, and the voltage signal is input to the second controller, so that many mismatching problems of front and rear controllers are solved, and sampling of the direct current bus voltage is completed by one sampling circuit; the power consumption, the hardware cost and the PCB area caused by an extra sampling circuit can be avoided.

The invention relates to the technical field of unmanned aerial vehicle launchers, in particular to a marine unmanned aerial vehicle launcher. The marine unmanned aerial vehicle launcher comprises a supporting frame, a bottom bracket, a telescopic piece, an angle adjusting assembly, a lifting frame, a front supporting assembly and a rear supporting assembly. The two ends of the telescopic pieces are rotationally connected with the supporting frame and the bottom bracket correspondingly, and the multiple telescopic pieces are arranged at intervals; the angle adjusting assembly is arranged on the bottom bracket and is in transmission connection with the lifting frame; the front supporting assembly and the rear supporting assembly are arranged on the lifting frame at intervals in the length direction of the lifting frame, and the front supporting assembly and the rear supporting assembly are both used for being connected with the unmanned aerial vehicle. The front supporting assembly locks or releases the lug rods through the lock catches, so that the levelness of the bottom bracket can be adjusted by adjusting the lengths of the multiple telescopic pieces, it is guaranteed that the levelness of the bottom bracket is within the set range, and therefore the launching accuracy of the unmanned aerial vehicle is guaranteed.

The invention relates to the technical field of zinc powder manufacturing equipment, and particularly discloses a continuous production inert zinc powder atomization preparation device which comprises an atomization furnace, the bottom of the atomization furnace fixedly communicates with communicating pipes, and the two communicating pipes are connected with a large grading system and a small grading system correspondingly. Wherein one ends, far away from the atomizing furnace, of the large grading system and the small grading system are fixedly communicated with a balance tank. Molten zinc can be preliminarily refined when passing through the flow guide holes under the action of pressure intensity, finally enters the polymerization groove in the polymerization base and is differentiated again through the flow diffusion holes communicated with the polymerization groove, the molten zinc can be differentiated into trickles in a multi-stage mode through the multi-stage differentiation mechanism, the trickles can be more evenly distributed in the atomization chamber, and therefore the atomization effect is improved. By means of the technical scheme, the contact area between atomized gas and the liquid zinc is larger and more uniform, the situation that local liquid zinc is too much or too little is avoided, it is ensured that each part of liquid zinc can be fully and stably atomized, zinc powder with more uniform particle size is produced, and the product quality is improved.

The invention relates to the technical field of electronic transformers, and discloses a passive wireless high-reliability electronic transformer data reporting method, system and device and a medium, and the method comprises the steps: employing different reporting strategies for different types of transformer nodes when the residual electric quantity is lower than a threshold value; and the timeliness of data reporting and the power consumption are effectively balanced. For a mutual inductor node undertaking a core parameter monitoring task, basic report data is sent at the lowest report frequency, stable transmission of core data is ensured, and excessive power consumption is avoided at the same time; and for non-core parameter monitoring task nodes, temperature, voltage and current data are sent at a preset reporting frequency, so that the electric quantity loss is further reduced while important data are reported. And through a mode of temporarily storing other collected data, unnecessary data transmission is avoided, and the use efficiency of the electric quantity is improved. The reliability and the stability of the system are improved.

The invention provides a pump body assembly, a fluid machine and heat exchange equipment. The pump body assembly comprises a first air cylinder and a second air cylinder, and a partition plate is arranged between the first air cylinder and the second air cylinder. The volume of the third air cylinder is smaller than that of the first air cylinder and that of the second air cylinder. The first air cylinder and the second air cylinder are located between the first flange and the second flange; the third air cylinder is located between the second flange and the first cover plate; and the second cover plate is located between the second flange and the third air cylinder, and a first exhaust cavity of the second air cylinder is formed between the second cover plate and the second flange. The problem that in the prior art, miniaturization design of an air cylinder in fluid machinery is limited is solved.

The application belongs to the technical field of marine chemical analysis, and relates to an underwater in-situ mass spectrometer acquisition control system and method. The method comprises the following steps: a vacuum extraction step: the coarse extraction mode and the fine extraction mode are adaptively switched, the ion detection device is vacuum-extracted until the pressure is reduced to a preset threshold, and a required vacuum degree is maintained; a preheating preparation step: the membrane sampling device is initially sampled, and heating is performed at the same time until a preset working temperature is reached and the temperature is maintained constant; a dissolved gas formal detection step: the membrane sampling device is continuously supplied with water samples to be detected, and in-situ mass spectrum detection of dissolved gas in the water samples is completed; an instrument cabin gas discharge step: when it is detected that the underwater in-situ mass spectrometer floats to the water surface and the air pressure in the instrument cabin exceeds an upper limit threshold of gas discharge, the instrument cabin is discharged; a liquid leakage protection step: when liquid leakage occurs in the sampling cabin and the two core contacts are short-circuited, the high-pressure electromagnetic valve in the normally open state is closed to quickly block the liquid from entering the ion detection device.

The application provides a bionic event-driven reconfigurable analog / digital converter and electronic equipment, which comprises an adjustable signal folding circuit, a dynamic comparator circuit and a bionic control logic circuit, and any two of the adjustable signal folding circuit, the dynamic comparator circuit and the bionic control logic circuit are connected; the adjustable signal folding circuit receives an externally transmitted first voltage signal, folds the first voltage signal to obtain a to-be-compared signal under the condition of triggering a folding action, and transmits the to-be-compared signal to the dynamic comparator circuit; the dynamic comparator circuit generates a comparison result according to the received to-be-compared signal, and transmits the comparison result to the bionic control logic circuit; the bionic control logic circuit generates a bionic clock signal according to the comparison result, and transmits the bionic clock signal to the dynamic comparator circuit; and the dynamic comparator circuit is opened / closed according to the bionic clock signal. The application can reduce the static power consumption generated by the analog / digital converter during operation.

The invention discloses an equipment unlocking method and device, equipment, a chip, a storage medium and a product, the method is applied to first equipment, and the method comprises the steps that whether the first equipment and / or second equipment to be unlocked are / is in a static state is determined; determining whether to trigger the first device and the second device to execute ultrasonic ranging based on whether the first device and / or the second device are / is in a static state; wherein the ultrasonic ranging is used for determining a distance value between the first equipment and the second equipment by using ultrasonic waves to obtain a first ranging result; the first distance measurement result is used for determining whether to unlock the second equipment or not. The distance value between the devices is determined through ultrasonic distance measurement, the distance measurement precision can be higher, and therefore the unlocking distance can be controlled more accurately. Besides, whether the ultrasonic ranging is triggered or not is judged based on the state of the first equipment and / or the second equipment, so that the ultrasonic ranging can be prevented from being triggered under the condition that triggering is not needed or is prevented from being missed under the condition that triggering is needed.

The invention provides a continuous material taking vibration disc of an automatic material supplementing mechanical arm. The continuous material taking vibration disc of the automatic material supplementing mechanical arm comprises a lower supporting plate, the upper surface of the lower supporting plate is fixedly connected with a lateral supporting frame, the upper side of the lateral supporting frame is fixedly connected with a connecting support, the upper surface of the lower supporting plate is fixedly connected with a box body, and a switch is arranged on the side surface of the box body; and a plurality of adjusting buttons are arranged on the box body. According to the automatic material supplementing mechanical arm, the vibration disc can be continuously taken, and the problem that the output speed of the vibration disc is unstable is effectively solved by designing a linkage structure of the elastic device and the auxiliary elastic device. And the elastic sheet and the spring fixing sheet in the main elastic device are matched with the electromagnet to work, so that the stability of vibration output is ensured. Meanwhile, the auxiliary elastic device dynamically adjusts the magnitude and direction of the vibration force through the design of a threaded rod, an auxiliary elastic piece and a friction block, and vibration amplitude inconsistency caused by load change or long-term use is avoided.

The utility model discloses cleaning equipment for conveying viscous organic fertilizer, relates to the technical field of agricultural mechanical equipment, and aims to solve the problems that raw materials are adhered, the load and the power consumption are increased and a conveying belt is rotten in the viscous organic fertilizer conveying equipment in the prior art. According to the technical key points, the device comprises a conveying device, and the conveying device comprises a conveying belt and fixed side tables arranged on the two sides of the conveying belt; the equipment further comprises a rinsing assembly, a cleaning assembly, a flushing assembly and a blow-drying assembly which are detachably installed on the fixed side table in sequence. The rinsing assembly is arranged to be matched with the cleaning assembly and the flushing assembly, so that the conveying belt can be effectively cleaned, the situation that loads and power consumption of the conveying belt are increased due to adhesion of raw materials is avoided, and electric energy is effectively saved; a blow-drying assembly is further arranged at the tail end of the conveying belt, the washed conveying belt can be effectively blow-dried, and the service life of the conveying belt is guaranteed; the equipment is convenient to disassemble, practical and convenient.

This invention discloses an image processing method, apparatus, and electronic device. The image processing method includes: receiving multiple frames of first-part images and multiple frames of second-part images, wherein the first-part images are images of mouse cursors in a display frame, and the second-part images are images in a display frame excluding the first-part images; acquiring the position information of the mouse cursor in each display frame; determining whether the second-part image of the current frame is the same as the second-part image of the previous frame, obtaining a first determination result, and determining whether the position information of the mouse cursor corresponding to the second-part image of the current frame is the same as the position information of the mouse cursor corresponding to the second-part image of the previous frame, obtaining a second determination result; and, if the first determination result indicates yes and the second determination result indicates yes or no, generating a target display frame based on target image information, without generating a trigger signal to trigger the processor to update the display frame.

The application provides a hydrogen energy power system and a hydrogen energy vehicle with the power system, the hydrogen energy power system comprises a shell, a hydrogen storage device horizontally arranged in the shell, a fuel cell stack arranged in the shell and located below the hydrogen storage device, and a heat dissipation device arranged between the hydrogen storage device and the fuel cell stack. The hydrogen energy vehicle comprises the hydrogen energy power system mounted below a vehicle frame. The hydrogen storage device and the fuel cell stack are integrated in one shell, and the heat dissipation device directly blows heat, so that the waste heat generated by the fuel cell stack is fully utilized. Compared with the prior art in which the hydrogen storage device and the fuel cell stack are separately arranged in two shells, the distance of heat transmission from the fuel cell stack to the hydrogen storage device is reduced, the loss in the transmission of waste heat is reduced, the utilization rate of waste heat is improved, and the setting of a heating film is cancelled, so that the production cost and the operation energy consumption are reduced.

The present application relates to the field of electric power communication technology, and provides a method and device for suppressing electric power communication pulse interference. The method includes: performing analog-to-digital conversion on the electric power communication signal to output sampled data; obtaining the pulse amplitude mean of the sampled data in real time by means of Kalman filtering; obtaining a decision threshold value according to the pulse amplitude mean of the sampled data; comparing the amplitude of the sampled data with the decision threshold value, determining whether the sampled data is an interference pulse according to the comparison result, replacing the sampled data determined to be an interference pulse with the pulse amplitude mean of the current sampled data and outputting it to suppress the interference pulse. The present application uses a Kalman filtering method to obtain the amplitude mean of the sampled data in real time, reduce the use of memory, and avoid the power consumption and processing delay caused by the memory circuit; while detecting the pulse, it also realizes the suppression of the interference pulse, reducing the probability of misadjustment caused by pulse interference in the subsequent automatic gain control.

This invention relates to the field of smart wearable device technology, and mainly discloses a smart ring and its usage method. The smart ring includes a ring body, an environmental sensing module, and an image acquisition module. The ring body is configured to be worn on a user's finger. The environmental sensing module is located in the ring body and includes a distance measurement unit and a light sensing unit. The distance measurement unit is configured to measure the distance between the target being photographed and the ring body and pre-calculate focal length parameters. The light sensing unit is configured to measure the ambient light intensity and pre-calculate exposure parameters. The image acquisition module is located in the ring body and is configured to acquire an image of the target being photographed based on the pre-calculated focal length and exposure parameters. This invention aims to solve the problems of high power consumption and short battery life of existing smart rings due to the image acquisition module.

The utility model relates to a portable hair dryer's mistaken touch prevention and dust removal structure, including hair dryer main part, the lower surface of hair dryer main part is provided with the handle, the right side of handle is provided with the mistaken touch prevention mechanism that is used for preventing misoperation, the inside of handle is provided with the dustproof mechanism that is used for preventing dust from entering the charging port. The mistaken touch prevention mechanism comprises a temperature control button and a baffle which are fixed to the front face of the handle, and two limiting rods are fixed to the lower surface of the baffle. According to the mistaken touch prevention and dust removal structure of the portable blower, the mistaken touch prevention mechanism protects a temperature control button through cooperation of a limiting rod, a mistaken touch prevention box, a limiting plate, a magnet, a reset spring, a connecting plate, a fixing plate and a baffle; the blower is prevented from being turned off or the temperature is prevented from being adjusted due to the fact that the temperature control button is pressed carelessly when the handle of the blower is held by a hand, and meanwhile empty power consumption caused by sudden starting of the blower due to the fact that the temperature control button is pressed mistakenly in the blower carrying and transporting process is also avoided.

The application discloses a kind of FTTX network PON out-of-band wake-up energy-saving method and system, belong to optical fiber access network energy-saving technical field, its method includes the following steps: S1, out-of-band communication architecture configuration;S2, energy-saving state enters;S3, downlink service wake-up;S4, uplink service wake-up;S5, collision avoidance processing;It aims at solving the existing FTTX network mainly relies on encapsulated in PON GEM in-band OMCI channel to realize OLT and ONT communication, in keeping manageable, can wake up ability, OLT side sending channel, PON MAC main service processing link and ONT side related circuit is difficult to close depth, low load or no service state energy-saving effect is limited;If main service link is directly closed, it will also lead to uplink service request of ONT to wake up OLT in time, needs to provide a kind of out-of-band wake-up energy-saving method independent of PON MAC main service processing link, realizes no service energy-saving, uplink and downlink service on-demand wake-up and collision avoidance retransmission.

The utility model discloses a humidifier for an air conditioner, which belongs to the technical field of humidifiers and comprises an air conditioner indoor unit, a double-faced adhesive tape layer is adhered to one side of the outside of the air conditioner indoor unit, a shell is adhered to the outside of the double-faced adhesive tape layer, and a water storage box is fixedly mounted at the inner bottom of the shell. When too much condensate water is stored in the water storage box, the condensate water is discharged through the high-water-level discharge port and is normally discharged through the connected discharge pipe, so that the condensate water can be prevented from directly overflowing and dripping on the floor and being accumulated in the air conditioner indoor unit, potential safety hazards can be reduced, and the use safety is improved; the liquid level detection head is arranged to detect the storage water level of condensate water in the water storage box, if the water level is low, a signal is sent to the timing controller, and the timing controller stops starting the spray humidifier, so that the spray humidifier is prevented from working under the water-free condition, and the power consumption is reduced.

This application provides a display device and a standby method, as well as a far-field voice control method. When the display device is switched from a power-on state to a standby state, the main chip is powered off while the voice chip remains powered on. The voice chip performs a first wake-up task, that is, it recognizes a wake-up command sent by the user and, in response to the recognized wake-up command, instructs the main chip to power on and start. This ensures far-field voice control functionality in standby mode and avoids power consumption by the main chip. Furthermore, when the display device is woken from standby mode by a user's wake-up command, the main chip further executes a voice service to identify the type of voice command and, based on the type of voice command, accurately controls whether the display needs to be turned on, so that the display is only turned on when needed, thereby precisely controlling power consumption after standby mode is activated.

The application provides a power supply circuit and a memory, and relates to the technical field of semiconductors. The power supply circuit comprises: a selection signal generation circuit, which is used for generating a voltage selection signal in a first state in the case that a word line in a target memory array is opened and closed multiple times, and generating a voltage selection signal in a second state in the case that the word line in the target memory array remains closed; a selection circuit, which is electrically connected with the selection signal generation circuit, a first power supply, a second power supply and a main word line driving circuit, and is used for selecting the first power supply to supply power to the main word line driving circuit in the case that the voltage selection signal is in the first state, and selecting the second power supply to supply power to the main word line driving circuit in the case that the voltage selection signal is in the second state; and the main word line driving circuit is used for outputting a first main word line driving signal to a sub word line driving circuit, and the voltage provided by the first power supply is greater than the voltage provided by the second power supply.

The embodiment of the present application discloses a control method, device, massage device and storage medium for a massage device, wherein the massage device includes an electric stimulation device and a power supply, and the electric stimulation includes a pulse output circuit. The method includes: when the electric stimulation device is in a working state, obtaining the first valid pulse signal number output by the pulse output circuit within a first time period; when the first valid pulse signal number is less than a number threshold, determining that the massage device is in an abnormal wearing state; controlling the power supply and the pulse output circuit to be disconnected so that the power supply stops supplying power to the pulse output circuit. The control method, device, massage device and storage medium for the massage device can prevent the generation of electric tingling during the electric stimulation massage process and reduce the power consumption of the massage device.

The invention discloses a control method of a double-cross-flow air conditioner indoor unit, relates to the technical field of air conditioners, and is applied to the double-cross-flow air conditioner indoor unit comprising a shell, a first heat exchange air supply assembly and a second heat exchange air supply assembly. The method comprises the steps that a heat source number threshold value is preset, when an indoor unit is started to operate in a refrigeration mode, the number and distribution condition of indoor heat sources are obtained, two heat exchange air supply assemblies are controlled to operate at the same time or alternatively in combination with a comparison result of the heat source number and the threshold value, and only assemblies on the corresponding sides are started, cross-flow fan blades operate, heat exchangers communicate with refrigerants, and the other sides stop; the room temperature is adjusted through single-side airflow circulation. According to the method, the refrigerating capacity is matched with the actual heat load, invalid electric energy consumption of bilateral operation is avoided, and the use cost of a user is greatly reduced.

The utility model relates to electronic digital device technical field especially, a kind of USB-C docking station, its technical scheme includes: bottom shell, top cover is installed on the bottom shell, the top cover is fixedly connected by screw with bottom shell, top cover is equipped with reserved slot, cooling mechanism is installed at reserved slot;The cooling mechanism is used for the heat dissipation of docking station, and it includes air duct, air inlet fan is installed in the air duct, power cord is installed on the air duct, the first USB-C connector is equipped with in power cord one end, the first USB-C connector on power cord is used for plugging on the USB interface of docking station, the other end of power cord passes through air duct and is electrically connected with air inlet fan;Dust cover is installed on the bottom shell, and the dust cover is used to shield reserved slot. The problem that the volume of existing USB-C docking station fan heat dissipation scheme is increased and the continuous power consumption is increased when not high load is solved.

This invention provides a high-efficiency power-type thermistor device, belonging to the field of heat dissipation technology. It includes a plug assembly comprising a housing, an air inlet on the side wall of the housing, an air outlet on the side wall of the housing, a base plate snapped onto the bottom of the housing, a pin inserted into the side wall of the base plate, and a slot on the top of the housing. Through the arrangement of heat sinks, a servo motor, and fan blades, this invention can quickly dissipate heat when it generates heat during charging. The thermistor design prevents the consumption of extra power when not generating heat, eliminating concerns about power outages or safety hazards. Charging efficiency is also more stable, maintaining the initial charging speed, allowing mobile phones and tablets to be fully charged quickly. Furthermore, low-temperature environments slow down the aging of internal components, significantly improving the plug's durability. While ensuring heat dissipation, portability is not compromised; its size is similar to a regular plug, taking up little space when plugged into a socket and not interfering with nearby devices.

The utility model relates to a power socket capable of detecting a power plug, and the power socket comprises a terminal supporting seat which is provided with a first through groove and a guide column; the two groups of conductive terminals are provided with through holes; the sliding piece comprises a stop plate and an extension plate, one part of the stop plate extends to the lower part of the through hole of one group of conductive terminals, and the other part of the stop plate extends to the lower part of the through hole of the other group of conductive terminals; the elastic assembly is used for resetting the sliding piece; the circuit board assembly is provided with a second through groove, and the extension board can penetrate through the first through groove and the second through groove; the photoelectric sensor is used for sensing the extension plate and can generate a trigger signal after sensing the extension plate; and the controller is electrically connected to the photoelectric sensor and the two groups of conductive terminals, and the controller can receive the trigger signal and control the conductive terminals to be electrified according to the trigger signal. The number of the sliding parts and the photoelectric sensors can be reduced, so that the space is saved, and the manufacturing cost is reduced.

A water ingress detection device for a USB Type-C interface used in electronic devices is disclosed. A lithium battery (300) powers an MCU microprocessor (200) via a DC-DC voltage converter (500). The device includes a detection network (100) connected to the VBUS port of the USB Type-C interface and a Schmitt-N gate flip-flop connected between the detection network and an interrupt port of the MCU microprocessor. The water ingress detection network includes a diode (D1), a first resistor (R1), a second resistor (R2), a capacitor (C1), and a third resistor (R3). Implementing this water ingress detection device requires only a few common components instead of a dedicated detection chip, eliminates the need for software scanning of the processor's ADC port, and consumes only a few microamps of power for water ingress detection, making it low-cost and particularly suitable for low-power, low-cost electronic devices.

The application relates to a two-dimensional perovskite semi-floating gate type all-optical control memory, which is mainly used for efficient storage and information processing. The memory comprises a substrate as the lowermost layer; two-dimensional perovskite nanosheets are selected as a photosensitive floating gate layer and are arranged on the upper surface of the substrate; a dielectric layer is arranged on the photosensitive floating gate layer and serves as a charge protection layer; a material with semiconductor properties is selected and arranged on the upper surface of the second dielectric layer and the photosensitive floating gate layer and serves as a channel layer; electrodes are arranged at both ends of the channel layer. Through efficient light absorption and carrier separation characteristics of the two-dimensional perovskite material and in combination with a photo-generated charge capture mechanism of the semi-floating gate structure, data writing, erasing and reading can be completed only by relying on optical signals, and energy consumption is reduced; meanwhile, the thin film characteristics of the two-dimensional perovskite make it easy to be integrated with flexible electronics and optoelectronics, and provide the possibility for high-density and multifunctional memory devices.

The utility model provides a high-strength aluminum alloy ultrasonic refining device, which relates to the technical field of aluminum alloy refining equipment, and comprises a frame cover and a solution box, the top of the solution box is clamped with the frame cover, the top of one side of the solution box and the bottom of the other side of the solution box are respectively provided with an infusion pump, and one side of the top of the frame cover is provided with a generator. Blowing fans are installed on the two sides of the top in the frame cover, a power connection wire is connected to one side of the generator, and a transmission line is connected to the other side of the generator. Equipment installation is easy, modular installation is adopted, the frame cover is erected, a connecting bolt with the proper length is selected, the bottom end of the connecting bolt and the top end of a vibration rod are screwed up in a threaded mode, and therefore the vibration rod can be installed conveniently. Then the matching heads at the top end of the connecting bolt and the bottom end of the transducer are tightened, the whole connecting bolt is wrapped by the matching heads during screwing, so that the transducer and the vibrating rod are assembled, then the mounting opening in the top of the transducer is aligned with the connector at the top in the frame cover and tightened, and the whole ultrasonic assembly is mounted; and meanwhile, the assembly can passively swing slightly.

The invention discloses a multi-channel electronic load capable of realizing a channel selection function, the multi-channel electronic load passes through an Ob objective function comprising a plurality of objective weights, W1, W2 and W3 are weights of power consumption, efficiency and temperature balance respectively, through the objective function, the power dissipation of each channel is calculated according to the real-time values of voltage Vi and current Ii, and the power consumption of each channel is calculated according to the real-time values of the voltage Vi and the current Ii. And the channels are selectively opened or closed to minimize an Ob objective function value and optimize power dissipation Pi of each channel, so that energy efficiency maximization is realized, unnecessary energy consumption is avoided, and the utilization rate of resources is improved.