13results about How to "Avoid cooling effect" patented technology

This invention discloses a method for purifying metallic selenium through continuous multi-stage vacuum distillation: S1: Crude selenium powder is placed in a graphite crucible, the temperature of the crucible heater is set to 350-500℃, the temperature of the temperature-controlled heater is set to 250-350℃, and the vacuum degree of the distillation apparatus is controlled to 0.1-10 Pa for first-stage vacuum distillation; S2: The temperature of the crucible heater is set to 200-300℃, the temperature of the temperature-controlled heater is set to 600-900℃, and the vacuum degree of the distillation apparatus is controlled to 0.1-10 Pa for second-stage vacuum distillation. This invention, by selecting and controlling the temperatures of the crucible heater and the temperature-controlled heater during the purification process, enables continuous multi-stage vacuum distillation to purify metallic selenium. This avoids the need for multiple heating and cooling cycles and multiple material handling processes required in traditional methods, reducing energy consumption and pollution caused during handling. The process steps are simple, and the overall process time is significantly shortened.

This application discloses a liquid level control device and a liquid cooling cabinet for automatically adjusting the liquid level inside the liquid cooling cabinet to prevent the liquid level from being too high or too low. The liquid level control device is applied to a liquid cooling cabinet, which includes a cabinet body, a first inlet pipe connected to a liquid supply pipe, and a first outlet pipe connected to a return pipe. The device includes: a liquid level monitoring device installed inside the cabinet body, a control valve installed on at least one of the first inlet pipe and the first outlet pipe, and a controller. The controller is used to acquire liquid level detection data from the liquid level monitoring device and adjust the opening of the control valve according to the liquid level detection data.

The application discloses a camera temperature and parameter adjusting method and system, a medium and equipment, and the method comprises the following steps: acquiring multiple scene characteristics when the vehicle is running to obtain a scene adaptation coefficient; obtaining a temperature adjusting power according to the vehicle temperature abnormal state and the scene adaptation coefficient; controlling the camera temperature adjusting component to operate according to the temperature adjusting power, and adjusting the camera parameters according to the initial image quality parameters; when it is detected that the current image quality parameters reach the preset standard, the camera temperature adjusting component is controlled to continue operating according to the temperature adjusting power; when it is detected that the current image quality parameters do not reach the preset standard, the temperature adjusting power is adjusted until the image quality parameters of the camera output image reach the preset standard. Based on the above data processing process, the application can realize intelligent cooperation of temperature regulation and image quality parameter adjustment, ensure that the camera can output stable images meeting the quality requirements in the temperature abnormal scene, and avoid blind heating or refrigeration, thereby delaying the aging of the temperature adjusting component.

The application discloses an air conditioner control method and device, an air conditioner and a readable storage medium, comprising: obtaining a target working condition temperature, a historical frequency modulation temperature difference corresponding to the target working condition temperature, and a candidate frequency modulation temperature difference corresponding to the target working condition temperature; performing phased frequency adjustment based on the candidate frequency modulation temperature difference and the target working condition temperature, and counting to obtain target power consumed by the phased frequency adjustment; selecting a target frequency modulation temperature difference from the candidate frequency modulation temperature difference and the historical frequency modulation temperature difference according to target power corresponding to the candidate frequency modulation temperature difference and historical power corresponding to the historical frequency modulation temperature difference; and setting the target frequency modulation temperature difference as a frequency modulation temperature difference used for phased frequency adjustment when the air conditioner is started and operated at the target working condition temperature. The method can reduce energy consumption of the air conditioner, and can avoid excessive cooling and excessive dehumidification caused by excessively high compressor operating frequency.

The invention relates to the technical field of heat management of an energy storage system, in particular to an energy-saving adjusting method, device and equipment for an energy storage box in response to an operation state. The technical problem that in the prior art, the temperature serves as the unique decision basis, and the thermal management response accuracy is low under the dynamic working condition is solved. The method comprises the following steps: acquiring real-time operation parameters of the energy storage box; determining a fluid transport time window based on the coolant flow rate; determining a fluid transport domain thermal load characteristic value based on the historical battery current in the fluid transport time window; based on the thermal load characteristic value, the cooling liquid flow rate, the battery temperature and the environment temperature, determining a compressor starting inhibition ratio; and indicating the compressor to switch the working mode based on a comparison result of the compressor starting inhibition ratio and a preset threshold. The method is used for the heat management scene of the energy storage box.

This invention relates to the field of intelligent cockpit and vehicle thermal management technology, specifically to a multi-sensor fusion in-vehicle adaptive temperature control method and system. The method includes: synchronously acquiring multi-source heterogeneous signals within the vehicle; preprocessing them through filtering and format standardization; using Kalman filtering to perform time synchronization and state estimation, generating a fused feature vector; identifying the current operating condition label, calculating the predicted average voting value, and outputting the target predicted average voting value; calculating the basic control quantity through a feedback controller and the disturbance compensation control quantity through a feedforward controller, and adding them to obtain the total control quantity; decomposing the total control quantity into compressor speed commands, fan airflow commands, damper position commands, and expansion valve opening commands, driving actuator actions, and outputting the temperature control execution result. This invention solves the problems of air conditioning control lag, large temperature fluctuations, and unintelligent mode switching, achieving high-precision temperature control and seamless adaptive adjustment, significantly improving driving and passenger thermal comfort.

The utility model discloses a three -way detector of element analyzer, including pool body, resistance bridge, shell, power supply line and signal line, pool body: for the detector main part, for the corrosion -resistant high -purity brass material, the surface has screw hole for connecting shell, and inside has three -way gas passage. Three gas passage inlets are connected respectively helium gas transmission pipeline one, helium gas reference gas input pipeline, helium gas transmission pipeline two. Three gas passage outlets are connected respectively helium gas carrier gas output pipeline one, helium gas reference gas output pipeline, helium gas carrier gas output pipeline two, resistance bridge: be located the detector pool body top, and every two resistances are a group and are screwed into the gas passage, and 6 resistances pass through parallel and constitute the bridge. Power supply line: provide test power supply for resistance, signal line: gather the signal change of resistance, shell: 316 stainless steel material, and the surface has 2 through -holes, and is fixed to the pool body through the screw of screwing into through -hole, plays the role of protecting the detector.

This invention discloses a heat dissipation control method and device based on the synergistic coupling of piezoelectric jet and thermoelectric cooling. The heat dissipation control method includes: controlling a piezoelectric ceramic driving plate to drive an intake flexible valve plate to generate periodic bending deformation, thereby changing the volume of the compression chamber, so that the compression chamber alternately performs the intake process and the compression process; during the compression process, when the pressure difference between the compression chamber and the external environment pressure reaches the opening threshold determined by the pre-tightening force and effective pressure area of ​​the outlet flexible valve plate, the outlet flexible valve plate passively generates an opening deformation, so that the cooling fluid in the compression chamber is injected into the air inlet of the heat exchange module in the form of a jet through the air outlet; the heat from the heat source is absorbed by the cold end of the thermoelectric cooling module, and the heat is transferred to the hot end of the thermoelectric cooling module, and then transferred to the heat exchange module, and carried away by the cooling fluid injected from the air inlet of the heat exchange module, fundamentally avoiding the risk of fatigue failure of traditional mechanical valve plates.

This invention discloses an integrated digital PCR system and its usage method. The system comprises a high-density microcavity array digital PCR chip with an integrated cavity, an optical detection module, a hot water circulation temperature control module, a fluid control module, and a central control module. When applied to nucleic acid sample detection, the digital PCR chip is first fixed on the stage of the optical detection module, and connecting tubes for the sample tubes and hot water tank are installed at each chip interface. Then, the central control module is activated, and relevant parameters of the control program are set. The control program then controls the fluid control module, hot water circulation temperature control module, and optical detection module to sequentially perform operations such as sample filling, sample discretization, hot water circulation amplification, chip scanning and recording, and data analysis. Based on the combination of the microcavity array and integrated cavity structure of the digital PCR chip, this system allows the entire digital PCR detection process to be completed on a single instrument, improving detection efficiency and result reliability.

This invention relates to the field of temperature-controlled clothing technology, solving the problem in existing technologies where the lack of an effective linkage control mechanism between thermoelectric elements and cooling fans affects the overall cooling effect. It provides a protective suit with temperature regulation function and its temperature control method. The protective suit includes: a garment body comprising an inner layer facing the body and an outer layer away from the body; a semiconductor refrigeration component disposed on the garment body; a power module electrically connected to and supplying power to the semiconductor refrigeration component; a cooling fan disposed on the outer layer of the garment body and electrically connected to the power module; and a control module for controlling the start / stop and power adjustment of the semiconductor refrigeration component and the cooling fan to achieve an adjustable cooling effect on the body.

This invention discloses an elevator control method based on duty cycle, comprising the following steps: the elevator initiates random operation according to a set number of runs and a duty cycle; after the elevator completes one running cycle, the actual duty cycle of the elevator is calculated and compared with a set value. If the actual duty cycle is not greater than the set value, the next running cycle is directly initiated; if the actual duty cycle is greater than the set value, the elevator's delay time is calculated and the elevator is controlled to standby for the specified delay time before the next running cycle is initiated. After completing the set number of running cycles according to the above steps, the random operation ends. This invention can adjust the duty cycle of the elevator during random operation, thereby improving the testing effect of the elevator and preventing abnormal wear and tear.

The utility model discloses a high-temperature protection device for a wire cut electrical discharge machining tool, which belongs to the technical field of wire cut electrical discharge machining and comprises an operation bin with an open top surface, a top plate is fixedly connected to one side of the top surface of the operation bin, a vent hole is formed in the top surface of the top plate in a penetrating manner, and a filter box with an open bottom surface is fixedly connected to the top surface above the vent hole. And a gas filtering plate is arranged in the filtering box. According to the high-temperature protection device for the wire cut electrical discharge machine tool, circulation of cooling liquid from the operation bin to the liquid discharge pipe is achieved through the water pump, cooling of the used cooling liquid is achieved through cooperation of the cooler and the fan, and meanwhile, negative pressure is formed around the vent holes through cooperation of the filter box and the vent pipe; waste gas generated by wire cutting is sucked into the filter box and is filtered in cooperation with the gas filter plate, compared with an existing device, the problems that cooling liquid cannot be cooled in time and the waste gas drifts away are solved, and the protection performance is improved.

This invention discloses a solder resist baking device and method for printed circuit boards (PCBs), relating to the technical field of PCB manufacturing. The solder resist baking device includes a housing, a carrier, a feeding device, and a transmission device. The housing has a baking channel and a cooling channel. The transmission device includes a first rack and a linkage mechanism. The linkage mechanism includes a first rotating shaft and a first gear. A first bevel gear is mounted on the first rotating shaft, and a second bevel gear is mounted on the rotating shaft of the rotating frame. The first and second bevel gears mesh, and the first rack meshes with the first gear. This solder resist baking device allows the PCB to be transferred to the cooling channel to cool to room temperature after baking in the baking channel. This ensures that baking and cooling operations do not interfere with each other, avoiding frequent heating and cooling, improving baking efficiency, and ensuring uniform heating of the PCB. Furthermore, it eliminates the need for additional external space for cooling the PCB, saving space resources.