123results about How to "Efficient switching" patented technology

The invention relates to the field of earth-rock engineering, and discloses an organization design optimization method for improving the work efficiency of earth-rock engineering machinery, and the method comprises the following steps: S1, carrying out the modeling of each process in the earth-rock engineering through a directed acyclic graph; s2, calculating the earliest starting time and the latest starting time of each process by using a critical path method based on the process relation model, identifying a critical path of the project, and determining a critical process which affects the project construction period; s3, on the basis of the identified key process, performing process scheduling optimization by using mixed integer linear programming to ensure that the project period is minimized under resource limitation, and generating an optimized process scheduling scheme; and S4, based on the optimized process scheduling scheme, establishing a multi-stage queuing theory model, and optimizing the scheduling of the mechanical equipment. By optimizing procedure scheduling and mechanical equipment scheduling, the construction efficiency of earth-rock engineering is remarkably improved, the construction period and resource waste are reduced, and it is ensured that a project is efficiently completed on schedule.

The invention discloses an industrial robot quick disassembly type multifunctional end tool switching frame which comprises an industrial robot body arranged on a machine table and a disassembly and assembly switching frame fixedly connected to the other end of the industrial robot body, and a clamp is movably installed on the right side of the disassembly and assembly switching frame. The device is simple in structure, the clamp at the tail end of the industrial robot can be quickly disassembled, assembled and switched conveniently, positioning of the first positioning groove by the first positioning block and positioning of the second positioning groove by the second positioning block can be achieved only through work of one driving motor, it can be ensured that the clamp is more stable after being switched and installed, and the working efficiency is improved. The industrial robot has the advantages that follow-up stable operation of the robot is guaranteed, switching efficiency is high, and the problem that tools such as a wrench and a screwdriver are needed when a tail end clamp of an existing industrial robot is switched, so that a large amount of time and labor are consumed when the clamp is dismounted and switched is solved; and the existing use requirements of efficiently, flexibly and quickly switching different clamps are met.

A communication method and device are applied to the technical field of communication, can be applied to a wireless local area network system of 802.11 series protocols such as an IEEE802.11a / b / g protocol, an 802.11 n protocol, an 802.11 ac protocol, an 802.11 ax protocol, an 802.11 be protocol, an 802.11 bn protocol, an integrated millimeter wave (IMMW) protocol and the like, and can also be applied to a WPAN system supporting UWB, a sensing system and the like. The STA communicates with the first AP, in the process of communication between the STA and the first AP, the STA and the second AP maintain a connection state, and the MAC address when the STA communicates with the first AP is the same as the MAC address when the STA and the second AP maintain the connection state; and the STA switches to the second AP and communicates with the second AP. According to the method provided by the embodiment of the invention, the time delay of network switching is effectively reduced.

The invention discloses a peak current and valley current controlled three-mode buck-boost converter, which comprises a power level circuit, an error amplifier, a slope compensation module, a current sampling module, a PWM (Pulse Width Modulation) comparator, a mode control module and a switching control module, and is characterized in that the power level circuit obtains an output voltage according to an input voltage and outputs a sampling voltage; the error amplifier outputs a control signal according to a comparison result of the sampling voltage and the reference voltage; the mode control module outputs different enable signals according to the states of the input voltage and the output voltage; the slope compensation module outputs different compensation voltages when the converter is in different modes; the current sampling module collects the voltage of peak current or valley current according to different modes; the PWM comparator generates a PWM control signal; the switching control module generates a driving signal according to the PWM control signal and different enable signals so as to switch different modes. The mode switching efficiency can be improved, the duty ratio can be reduced, and then output voltage ripples are reduced.

The invention provides a label switching method and device, equipment, a storage medium and a product, and belongs to the technical field of computers. The method comprises the following steps: in response to any label triggering operation in a Web application, obtaining a label identifier of a target label; whether the label identification of the target label exists or not is matched in a label list, and the label identification of any opened label is stored in the label list; when the label identification of the target label exists in the label list, updating a key of a content area component of a key-alive component to be the label identification of the target label, the key-alive component being used for caching a content area of a tab corresponding to any label; and according to the key of the content region component of the key-alive component, displaying the cached content region of the tab corresponding to the target tag in the target region. The invention aims to provide an efficient content area switching mode in a label switching process.

The invention discloses a prebaked anode carbon capture system for industrial electrolytic aluminum and an operation method, and belongs to the field of carbon capture, the prebaked anode carbon capture system comprises a combined power generation device for supplying power to equipment, a flue gas treatment device and a carbon capture device; the flue gas treatment device comprises a roasting furnace and a calcining furnace, flue gas generated by the flue gas treatment device is subjected to multi-stage treatment to provide raw materials for the carbon capture device, and heat generated by the flue gas treatment device is subjected to multi-stage recycling to provide reaction conditions for flue gas treatment and drive a steam turbine to generate power; the carbon capture device comprises an absorption tower and a motor boiler, and the absorption tower receives flue gas and completes carbon capture under the assistance of steam. A series of efficient flue gas treatment units are adopted, and the purity of carbon dioxide is remarkably improved. In addition, the multi-stage regenerative cycle technology is designed, and the comprehensive utilization efficiency of heat energy is improved. And by adopting a steam-assisted vacuum temperature swing adsorption technology, the dynamic adsorption capacity of gas is enhanced, and the cycle service life of an absorbent is prolonged, so that the economical efficiency and the operating performance of the system are optimized.

The invention belongs to the technical field of communication, and discloses a multi-link redundancy control method and system, communication equipment and a storage medium, and the method comprises the steps: receiving a configuration message transmitted by any other target network equipment from the same user group through current target network equipment; comparing the priorities between the current target network equipment and all forwarding equipment in the configuration message, and when the priority of the current target network equipment is the highest, updating the configuration message by using the election information of the current target network equipment to obtain an updated configuration message; controlling the current target network equipment to broadcast the updated configuration message to all other target network equipment until the latest priority sequence of all the target network equipment is obtained; and when the next layer of connection equipment transmits the data message to all the target network equipment, the target network equipment with the highest priority is selected according to the latest priority order, so that the data message is transmitted to the upper layer of connection equipment, the optimal link transmission data is realized, and the data loss is reduced.

The invention relates to the technical field of data management, in particular to an intelligent diagnosis and treatment data management system which comprises a data acquisition module, a data processing module, a path selection module and a feedback adjustment module. By monitoring the priority, the delay time, the packet loss rate and the network bandwidth utilization rate of the diagnosis and treatment data in real time, the accuracy and timeliness of data transmission are ensured, the system intelligently adjusts the transmission path according to dynamic feedback, the risks of transmission delay and data loss caused by network fluctuation are reduced, and the service life of the system is prolonged. The system performs path selection in combination with the comprehensive transmission score, ensures that the data is transmitted through the optimal path, improves the diagnosis and treatment data transmission efficiency, in addition, an automatic early warning mechanism can find packet loss abnormity in time, guarantees the data integrity in the diagnosis and treatment process, optimizes the diagnosis and treatment process and the medical experience of a patient, and improves the diagnosis and treatment efficiency. The problems of low early warning precision and decision delay caused by insufficient comprehensive analysis of data processing are effectively solved.

The invention relates to the field of water-based paint production, and particularly discloses water-based paint filling equipment which comprises an equipment framework. The filling cylinder device is connected with the equipment framework; the coating barrel conversion device is connected with the filling barrel device; the bubble removing device is connected with the filling cylinder device; wherein the coating barrel conversion device comprises a coating barrel fastening device, a filling barrel device and a coating barrel conversion device, and the coating barrel fastening device is connected with the filling barrel device in a sleeving manner; the coating barrel limiting device is connected with the coating barrel fastening device; the defoaming device comprises a defoaming agent supply device, a defoaming agent conveying device and a defoaming agent conveying device, wherein the defoaming agent supply device is connected with the filling barrel device; the liquid intervention device is connected with the defoaming agent supply device, the coating barrel is accurately limited and fastened, and switching is efficient; the defoaming links are closely linked, the defoaming agent is accurately added and injected, and the liquid intervention device is coordinated in multiple directions, fully mixed and forcibly broken.

The present invention discloses a multi-process integrated cutting device for metal parts, comprising a base, a turntable mounting seat fixedly connected to the base, a turntable mounting seat provided with a turntable bearing, a cutter head turntable installed on the inner ring of the turntable bearing, the cutter head turntable provided with six mounting holes, a mounting sleeve fixedly passed through the mounting holes, two rotating shaft bearings provided in the mounting sleeve, the two rotating shaft bearings jointly support a rotating shaft, the front end of the rotating shaft passes through the front end of the cutter head turntable, a cutting cutter head is installed on the front end of the rotating shaft, an output gear is provided on the fixed sleeve at the rear end of the rotating shaft, a supporting seat is fixedly connected to the base, a rear bearing is provided on the supporting seat, and a front bearing is installed on the rear end face of the cutter head turntable. The present invention discloses a cutting method for a multi-process integrated cutting device for metal parts. The present invention can realize fast tool change, reduce the time consumed in tool change, thereby improving efficiency, and in addition, it can perform tool movement with a larger trajectory radius, thereby expanding the processing range.

The invention discloses a cooperative control method for manufacturing precision between complex thin-wall microsphere shell component forming processes, and relates to the technical field of microsphere shell component machining. The invention relates to a multi-process forming method for a micro-spherical crown structure on the surface of a complex thin-wall micro-spherical shell component in the prior art. According to an existing manufacturing precision keeping and reference transferring method, due to factors such as low soft and brittle hardness of a workpiece material, high precision requirement and multiple processes, the pose precision and the manufacturing precision of a micro-spherical shell are difficult to keep in multi-process circulation. The device is used for four workpiece circulation processes of material milling removal-laser etching marking-milling quality characterization-laser local modification-surface quality detection corresponding to three processes of milling removal of a micro spherical crown structure on the surface of a thin-wall micro spherical shell component, laser modification and measurement characterization. All the steps cooperate to achieve high-precision forming of the micro-spherical crown structure on the surface of the complex thin-wall micro-spherical shell component. The method is used for forming the complex thin-wall microsphere shell component.

The application discloses a high-reliability multi-node cooperative in-situ communication system and method. The system comprises multiple transceivers, one of which is a master node and the rest are slave nodes. The master node comprises a channel collision management and control demodulation and signal modulation unit, a digital AGC compensation control unit, a special working condition signal-to-noise ratio switching unit and a process autonomous ending unit. The slave nodes each comprise a signal transmitting unit, a signal receiving unit and a control unit. The application realizes effective screening and control of multiple access nodes in deep space exploration activities such as lunar exploration, solves the problem of advanced planning caused by a large number of nodes in the lunar near space, and maximally supports flexible communication between lunar nodes.

The invention provides a reformer testing system, and relates to the technical field of reformer testing, and the reformer testing system comprises a raw material supply module, a water vapor supply module, a reforming reaction module and a gas analysis module; the raw material supply module comprises a first gas fuel supply module and a liquid fuel supply module, and the first gas fuel supply module and the liquid fuel supply module are respectively communicated with the reforming reaction module in an on-off manner; the water vapor supply module is communicated with the reforming reaction module in an on-off manner; the gas analysis module is communicated with a gas outlet of the reforming reaction module; the first gas fuel supply module comprises a main pipeline and a plurality of first branch pipelines, one end of each first branch pipeline communicates with the main pipeline, and the main pipeline communicates with the reforming reaction module in an on-off mode. The reformer test system provided by the invention not only can be well adapted to test requirements of different reforming paths, but also can quickly and efficiently complete switching, reduce the operation difficulty and improve the test efficiency.

The invention relates to the technical field of wireless communication, in particular to an internal and external antenna switching method, system and device, a storage medium and a product. The method comprises the following steps: respectively carrying out power separation on an external antenna and a built-in antenna based on a directional coupler to obtain first reflection power and second reflection power; performing voltage signal conversion on the first reflection power and the second reflection power based on a radio frequency power detector to obtain a first voltage signal and a second voltage signal; comparing the first voltage signal with the second voltage signal based on a voltage comparator; and taking the antenna corresponding to the lower voltage value in the first voltage signal and the second voltage signal as a target antenna, and switching the radio frequency signal to the target antenna. According to the method, the switching process is based on accurate power detection and voltage comparison, so that the optimal antenna can be selected, and the switching efficiency of the internal antenna and the external antenna is improved.

The utility model discloses a current switching circuit, which comprises software interlocking control, forced cut-off control, MOS (Metal Oxide Semiconductor) drive and dual power supply switching, the software interlocking control circuit controls the MOS driving circuit through two output ends, and the forced cut-off control circuit is connected with the MOS driving circuit through an input end; the MOS driving circuit comprises two driving circuits which are respectively corresponding to two paths of power supplies. According to the utility model, large current switching is optimized, the stability is high, and compared with a relay, the service life is longer and safer; anti-backflow protection and anti-reverse connection protection are arranged, so that one-way flow of current is ensured; software interlocking ensures single-path power supply output, and misoperation is avoided; the power supply has the functions of self-turn-off and forced turn-off when the microcontroller fails, adapts to different power requirements, and is low in cost and high in reliability.

The invention relates to the technical field of vertical elevator counterpoise, and discloses a counterpoise side-mounted elevator which comprises an elevator shaft, a group of counterpoise sliding rails are arranged on each of the two sides in the elevator shaft, a counterpoise device body is connected in each group of counterpoise sliding rails through a first guide assembly, and first mounting parts are arranged at the tops of the two counterpoise device bodies. And a top seat is installed at the tops of the two sets of counterweight sliding rails, through holes are formed in the two sides of the top seat in a penetrating mode, traction machines are installed on the two sides of the top of the top seat, and the outer walls of the two first installation pieces are connected with one ends of traction ropes. By arranging the double traction machines and the quick release assembly, redundancy switching of driving equipment is achieved, meanwhile, in guide assemblies on the two sides of the counterweight device, non-fixed pulleys are matched with buffer elastic assemblies, a limiting mechanism of a spring and a push plate and deformation control over a movable frame through a damper are combined, eccentric loads are effectively dispersed, friction and impact force are reduced, and the service life of the counterweight device is prolonged. And roller abrasion and noise are reduced.

The invention discloses a cerebrospinal fluid sampling and detecting device, and belongs to the technical field of neurology. According to the cerebrospinal fluid sampling and detecting device, a detecting and distributing head, a puncture needle, a control cabinet and a detecting box are arranged on a device base, a sealing sleeve is arranged in the detecting and distributing head, a preliminary checking disc is installed in the sealing sleeve, and a three-way valve is installed between the detecting box and the detecting and distributing head. The cerebrospinal fluid sampling and detecting device solves the problems that an existing cerebrospinal fluid sampling and detecting device cannot carry out split charging to achieve automatic adjusting operation, and the detection effect is affected, according to detection data, the electric actuator is adjusted through the plc module, the three-way valve and the adjusting valve are controlled, and therefore according to the detection result, the cerebrospinal fluid can be firstly split charged, and then split charging is carried out. All optical and electrochemical signals are captured by an optical fiber sensing array plate and a detection box which are arranged in the detection distribution head, and are transmitted to a control cabinet through Bluetooth, so that different detection processing work is carried out in time, treatment schemes are effectively switched, and the detection effect is improved.

The present invention relates to the field of vehicle multimedia technology, and discloses a multi-audio aggregation vehicle multimedia method based on the MediaSession framework, including the following steps: S1: create a service, create a subclass of the core service MediaBrowserServiceCompat and create MediaSessionCompat, register callbacks related to MediaSessionCallback; S2: maintain a queue, maintain a play queue, and support setting a play mode; S3: create an interface, create a playback control abstract interface PlayerInterface, and support common media control. The present invention can standardize the control of media and the reading of audio information in the aggregated multimedia, no matter how many different types of audio there are, whether it is a local resource or an online resource, and make direct interaction with other media on the platform more standardized, simple, efficient and reliable.

The invention provides a hardware super-resolution switching method and device, equipment, a medium and a program product, and the method applied to a time schedule controller of a display module comprises the steps: receiving the information of a target resolution sent by a source device under the condition that the time schedule controller is connected with the source device; and in response to the information of the target resolution, controlling the display module to output a display picture according to a target time sequence, wherein the target time sequence is a time sequence corresponding to the target resolution. When the resolution is switched, a special hardware HSR control signal does not need to be set, re-startup and re-shutdown are not needed, and efficient switching of the hardware super-resolution can be achieved.

The invention discloses an all-optomagnetic turnover magnetic film as well as a preparation method and application thereof. The all-optical magnetic turnover magnetic film comprises a Ta layer, a first Pt layer, a Co layer, a Ru layer, a Gd layer and a second Pt layer which are sequentially stacked on the surface of a substrate, wherein the thickness of the Ru layer is 0.8 nm, 1.3 nm or 1.5 nm. The preparation method of the all-optical magnetic flipping magnetic film comprises the following steps: sequentially depositing a Ta layer, a first Pt layer, a Co layer, a Ru layer, a Gd layer and a second Pt layer on the surface of a substrate by adopting ultrahigh vacuum direct current magnetron sputtering to obtain the all-optical magnetic flipping magnetic film. The all-optical magnetic flipping magnetic film has the advantages of high switching efficiency, low switching energy, wide energy window, easiness in regulation and control, stability in repeated writing and the like, can be applied to the fields of high-density ultrafast magnetic storage, information processing and the like, and is suitable for large-scale application.

According to the hydraulic drive-by-wire multi-shaft steering system and the control method thereof, when it is detected that a vehicle is in a high-pressure state, all constant displacement pumps are controlled to be in an open state; if the steering request is received and all the metering pumps are in the open state, all the stop valves are controlled to be in the closed state, and the total flow of hydraulic oil needed for steering is determined according to the steering request; the total flow of hydraulic oil required by steering is distributed to all the metering pumps; controlling each constant displacement pump to extract hydraulic oil from the oil tank; and according to the opening degrees of all the proportional valves in the executing mechanism, all the extracted hydraulic oil is distributed to steering oil cylinders corresponding to all the proportional valves to control a wheel steering mechanism to rotate. The stop valve is controlled to be in a closed state only when steering is needed, so that redundant electric energy is prevented from being consumed during straight driving, and the economical efficiency of the system is improved; the flow of the hydraulic oil is accurately controlled through a plurality of metering pumps; effective switching of hydraulic oil ways is achieved based on the multiple stop valves, and the reliability and safety of the system are improved.

The utility model discloses a backwashing pre-filter which comprises a machine head for water to flow in and out, a filter bottle connected with the machine head, a pollution discharge assembly connected with the filter bottle, a filter assembly arranged in the filter bottle, a rotary scraping and washing framework arranged on the outer side of the filter assembly, and a flow direction switching assembly arranged in the filter bottle, the flow direction switching assembly comprises a switching supporting framework arranged in the filtering assembly and a switching piece arranged on the switching supporting framework, a first through hole is formed in the switching piece, a second through hole is formed in the switching supporting framework, the sewage discharging assembly comprises a sewage discharging shaft connected with the switching supporting framework, a sewage discharging opening is formed in the filtering bottle, and the sewage discharging opening is communicated with the switching supporting framework. The pollution discharge shaft can movably open or close the pollution discharge port and drive the switching support framework to movably close the first through hole and open the second through hole or open the first through hole and close the second through hole. The flow channel switching assembly is driven by the sewage discharging shaft to achieve efficient switching between the filtering state and the sewage discharging state, stability is good, influences of water pressure are avoided, and the water pressure is high and the flushing force is large during flushing.

The utility model relates to the technical field of numerical control machine tools, and discloses a numerical control machine tool with an automatic tool setting and quick calibration tool, which comprises a U-shaped sliding plate, two fixed connecting rods are fixedly connected inside the U-shaped sliding plate, two sliding clamping blocks are slidably connected outside the two fixed connecting rods, and the two sliding clamping blocks are fixedly connected with the U-shaped sliding plate. Connecting springs are fixedly connected to the close sides, namely the sides away from the outer portions of the two sliding clamping blocks, of the two sliding clamping blocks, and limiting assemblies are fixedly connected to the sides, namely the close sides away from the two sliding clamping blocks, of the outer portions of the two sliding clamping blocks. A driving assembly is fixedly connected to the exterior of the numerical control machine tool operation table. According to the utility model, the sliding clamping block is stretched under the action of the fixing block, so that the elastic force of the connecting spring acts on the middle part and the position for fixing the cutter, and the vertical movement of the U-shaped sliding plate further reduces the interference to a machine tool, thereby realizing the quick calibration of the cutter and improving the working efficiency and accuracy.

The utility model discloses a massage head subassembly relates to massage equipment technical field, and its technical key points include the top rod, as the supporting component, the pressing block is cylindrical barrel shape, and the top center is connected with the top end of top rod through the connecting screw rod, two symmetrical setting's clamping block is fixed in the pressing block outer circle face top, two massage head middle casing, sliding sleeve joint in the pressing block outside, and its inner chamber is provided with the clamping groove of adaptation with clamping block, the utility model discloses a mechanical linkage structure of setting clamping block, clamping groove and rotary channel groove realizes the efficient switching of massage head middle casing in the long axis end of ellipse and the short axis end, and simultaneously, the elastic reset mechanism of combination telescopic spring and single hand press - rotation - loosening operation logic, the form conversion is simplified as the immediate operation of not needing tool assistance, fundamentally solves the big carrying burden, the high use cost and the poor convenience of traditional scheme because of the function limitation.

The present disclosure relates to medical robots, in particular to a magnetic capsule endoscope autonomous control method and system combining Tube model predictive control and reinforcement learning, which solves the problems of poor robustness and low accuracy of existing control algorithms. The method introduces a reinforcement learning method to control the movement of the mechanical arm on the basis of the Tube MPC model predictive control framework, drives the movement of the capsule endoscope through the movement of the mechanical arm, and improves the trajectory tracking accuracy and posture stability in the navigation and scanning process of the capsule endoscope. The compensation control quantity for controlling the movement of the mechanical arm is generated by the trained reinforcement learning agent.

The utility model discloses an insulating oil processing device for scientific research laboratory relates to insulating oil processing technical field, and insulating oil processing device includes oil filter and oil storage tank, and the oil filter includes a circulating oil circuit, and the circulating oil circuit includes the three -way valve of head -tail intercommunication, oil inlet pump, coarse filter, heater, vacuum separation jar, oil outlet pump and fine filter subassembly, and the three -way valve includes first inlet, second inlet and export, and the first inlet intercommunication fine filter subassembly, and the export intercommunication oil inlet pump, and fine filter subassembly includes the first branch and second branch of parallelly connected arrangement, and first valve, first fine filter and second valve are set up in proper order on the first branch, and third valve, second fine filter and fourth valve are set up in proper order on the second branch, and the position between fine filter subassembly and three -way valve on the circulating oil circuit is provided with the oil drain valve, and the oil storage tank is provided with the oil filling valve, and the oil filling valve is connected in the second inlet, can effectively improve the processing efficiency and adaptability of insulating oil, and guarantee the accuracy of experimental result.

The utility model relates to a double-water-pump switching device for filter presses, and belongs to the field of water supply of water pumps, the double-water-pump switching device comprises two groups of filter presses, each group of filter presses is provided with a water supply pipeline, a water pump and a control valve corresponding to the water pump, and the water supply pipeline is communicated with water inlets of the filter presses; the water pump is arranged on the water supply pipeline and pumps water into the filter press through the water supply pipeline; a communicating pipeline is arranged between the two groups of water supply pipelines, and a communicating valve for controlling the two groups of water supply pipelines to communicate is arranged on the communicating pipeline; buffer tanks positioned between the control valves and the communicating pipelines are respectively arranged on the water supply pipelines; the buffer tank comprises a tank body, a water inlet and a water outlet, the water inlet is communicated with the position, close to the control valve, of the water supply pipeline, the water outlet is communicated with the position, close to the communicating pipeline, of the water supply pipeline, and the water inlet is lower than the water outlet. The filter press has the effects of ensuring continuous operation of the filter press and avoiding influence on normal production.

The invention relates to the technical field of teaching equipment, in particular to a classroom sound amplification device. The classroom sound amplifying device comprises a sound receiving mechanism which is movably arranged in a classroom, and the sound receiving mechanism is connected with a sound box in the classroom so as to transmit received sound to the sound box for playing; the control mechanism is connected with the sound receiving mechanism to drive the sound receiving mechanism to move, the control mechanism is in signal connection with a positioning unit carried by a teacher, and the control mechanism controls the sound receiving mechanism to move by receiving a signal of the positioning unit, so that the distance between the sound receiving mechanism and the teacher is a set distance. The sound receiving mechanism receives sound of a teacher and then transmits the sound to the sound boxes in the classroom for playing, the problem that the sound amplification effect of sound amplification equipment is poor is effectively avoided, the teacher carries the positioning unit, so that the control mechanism receives signals to control the sound receiving mechanism to move, the sound receiving mechanism can receive sound no matter where the teacher teaches, and the teaching efficiency is improved. And the sound amplification effect is ensured.

The present application provides an RGB atmosphere light control circuit, a control method and an RGB atmosphere light group, which belong to the field of lighting control technology. The RGB atmosphere light control circuit includes a controller, a first drive circuit and a second drive circuit. The input ends of the first drive circuit and the second drive circuit are electrically connected to the output end of the controller respectively, and the output ends of the first drive circuit and the second drive circuit are electrically connected to the first ends of multiple color channels of the RGB lamp beads respectively. The maximum output current of the first drive circuit is a first preset current, and the maximum output current of the second drive circuit is a second preset current. The control circuit can flexibly switch or use the first drive circuit and the second drive circuit in coordination according to the target current demand of each color channel of the RGB lamp beads, so as to achieve efficient driving of the RGB lamp beads in different brightness scenes, and effectively solve the problems of insufficient brightness and poor adaptability of RGB atmosphere lights in the prior art.

According to the high and low temperature test platform provided by the utility model, when a product is tested, the pressing plate module is driven by the rapid clamp to be attached to the carrier plate, and the product is fixedly attached to the carrier plate, and then, different high and low temperature environments are accurately simulated for the product placed in the carrier plate through the cooperation of the TEC module and the water-cooling row module, so that the test efficiency is improved. In addition, through the arrangement of the TEC module and the water-cooling row module, high-efficiency switching between high temperature and low temperature can be achieved, so that the efficiency of simulating different environment temperatures is improved, meanwhile, a heating system and a refrigerating system do not need to be independently installed on the supporting machine table, and the testing efficiency is improved. Therefore, the test platform is simple in structure, small in occupied space and low in temperature control difficulty. The utility model belongs to the technical field of test equipment.