880results about "Modifications using gaseous coolants" patented technology

The invention belongs to the technical field of integrated circuits, and particularly relates to a speed-adjustable fan driving and anomaly detection circuit with high reliability and low cost. Comprising a current expansion driving module for providing a voltage FCC stabilized by an LDO for a fan and performing current expansion on an output current of the LDO to drive the fan; the logic control module is connected with the current expansion driving module and is used for adjusting a control signal ADJlt; n: 0gt; the value of the voltage FCC output by the LDO is changed; the open circuit and locked-rotor detection module is connected with the logic control module and the VIN port of the LDO; and the short circuit detection module is connected with the logic control module and the output end of the LDO, outputs a signal to a state flag bit FTO, and judges whether the fan is in a normal working state, an open circuit state, a locked-rotor state or a short circuit state or not according to the waveform and the level of the state flag bit FTO. The speed-adjustable fan driving circuit is integrated, and the function of detecting various abnormal states of the fan is achieved.

Provided is an image forming apparatus including: an image forming unit configured to form an image on a recording material; an exhaust fan configured to exhaust air inside the image forming apparatus; a CPU configured to control rotation of the exhaust fan; and a memory configured to store in advance a first control setting value for rotating the exhaust fan at a first target rotation speed. The CPU rotates the exhaust fan based on the first control setting value, and permits the image forming unit to form an image when a rotation speed of the exhaust fan becomes equal to or faster than a lower limit rotation speed for suppressing a discharge amount of UFPs. When a predetermined time period has elapsed, the CPU performs feedback control for the exhaust fan such that the exhaust fan is rotated faster than the first target rotation speed.

An example cooling system includes a power source, a first pump cassette configured to circulate fluid through the cooling system, and a second pump cassette configured to circulate fluid through the cooling system. The first pump cassette is connected to the power source and includes a first inrush current limiter circuit and a first pump controller. The second pump cassette is also connected to the power source and includes a second inrush current limiter circuit and a second pump controller. The first inrush current limiter circuit is connected in series between the power source and the first pump controller, and the second inrush current limiter circuit is connected in series between the power source and the second pump controller.

The disclosure relates to an apparatus for charging or discharging including a case, a charging or discharging module unit and an air treatment unit provided inside the case, an equipment temperature sensor located in the case and sensing an equipment temperature, a module hole formed by communicating with the outside, and a controller charging or discharging, where the controller is configured to discharge at least a portion of the air discharged from the air treatment unit to the outside of the case through the module hole based on usage current of the charging or discharging module unit and the equipment temperature, a battery charging or discharging system including the same, and a control method thereof.

The invention relates to the technical field of wireless charging temperature control, in particular to a self-adaptive intelligent temperature control method and a refrigeration wireless charger. According to the method, the inherent heating tendency of the mobile equipment is quantified through the charging initial data, the heating index is obtained, the basic temperature threshold interval is obtained according to the heating index, and the charging environment data is introduced to intervene in the obtaining of the personalized temperature threshold in real time; the method solves the problem of unreasonable threshold setting caused by the difference of batteries of new and old equipment and the difference of heating characteristics of different models, then, by capturing charging process data of mobile equipment and combining threshold judgment, early warning and refrigeration triggering can be carried out in the early stage of abnormity, and the charging efficiency of the mobile equipment is improved. The emergency degree of the current refrigeration demand can be accurately described by analyzing the temperature control demand intensity value calculated by the charging process data, and the accurate temperature control adjustment parameters are dynamically generated in combination with the preset control parameter group of the refrigeration wireless charger, so that the charging and refrigeration assembly is directly controlled, and the temperature control response speed is favorably improved.

The invention provides a heat dissipation control method and system for a network control cabinet, and belongs to the field of heat dissipation control, and the method comprises the steps: building a correlation model of the load and temperature of the network control cabinet according to the historical load of the network control cabinet and the corresponding historical temperature data, obtaining the current load data of the network control cabinet, inputting the load data into the correlation model to obtain a future temperature change trend of the network control cabinet; determining a heat dissipation control instruction according to the temperature change trend and a dynamic threshold value of the network control cabinet; and controlling heat dissipation equipment of the network control cabinet to dissipate heat of the network control cabinet according to the heat dissipation control instruction. According to the heat dissipation control method and system for the network control cabinet, the temperature trend of the network control cabinet can be predicted in advance according to the historical load data and the temperature data, countermeasures are accurately taken according to the temperature trend, the heat dissipation state of the network control cabinet is controlled in real time, and the stability of the network control cabinet is improved.

The invention discloses a power grid operation monitoring device, and belongs to the technical field of power grid monitoring. The device comprises the working cabinet and the opening and closing mechanism, the opening and closing mechanism used for fault prevention is arranged in the middle of one side of the working cabinet, and the device has the advantages that the problem that an electric power system in the device is corroded and damaged easily due to long-time moisture invasion caused by excessive night moisture due to excessive day-night temperature difference is solved; therefore, the monitoring accuracy and the use effect of the device in a special region are ensured, and meanwhile, the closed leaf blinds in a low-temperature environment can also reduce the loss of internal temperature, so that the problem that a semiconductor device of the device is slow in response or makes a mistake easily due to too low temperature can be prevented; the monitoring and using effects of the device are ensured, and the opening and closing of the leaf blinds automatically respond depending on the temperature change, so that the device has the advantage of low-maintenance self-adaptive capability.

The invention provides an air-cooled array surface structure adopting a vapor chamber frame, which comprises a vapor chamber array surface frame, an antenna cover, a receiving and transmitting assembly, an antenna, a shell, a connector, a temperature monitoring unit, an array surface distribution plate, a high-power-consumption functional module, a low-power-consumption functional module, a temperature control module, a large-air-volume axial flow fan, an internal turbulent flow fan and a semiconductor refrigerator, a semiconductor refrigerator cold end, a semiconductor refrigerator hot end, a loop heat pipe, a loop heat pipe cold end, a loop heat pipe hot end, an air duct cover plate, a rear cover plate, a rear cover plate external groove, a rear cover plate internal groove, a sealing rope, a fan protective cover, captive screws and trunnions are included. According to the design of the invention, the array surface heat dissipation mode is changed from liquid cooling to air cooling, the design requirements of light weight and low cost of the array surface structure are realized, and the effect of the heat dissipation system and the redundancy design is verified step by step in the high-temperature environment test process to meet the requirements.

The invention belongs to the technical field of photoelectric detection, and discloses a refrigeration type handheld observation device and a dynamic temperature control method thereof. An infrared thermal imager is installed at the cold end of a semiconductor chilling plate and is connected with a heat dissipation structure through a composite phase change structure and a heat pipe array; acquiring environment parameters and equipment thermal state parameters by using an environment and equipment parameter acquisition unit; and the dynamic temperature control unit is used for matching the refrigeration power in real time according to the environment parameters and the equipment thermal state parameters, and the working current of the semiconductor refrigeration sheet is adjusted according to the target refrigeration power obtained through matching. The cooling efficiency of the refrigeration type handheld observation device is actively adjusted, the temperature control precision is improved, and heat management of the refrigeration type handheld observation device is optimized.

The present disclosure relates to the technical field of energy storage, and, in particular, to an energy storage converter and an energy storage system. In embodiments of the present disclosure, a first cavity of a housing is configured to include a first region and a second region which are arranged along a first direction, an airflow generation apparatus can generate a first airflow flowing through the first region and a second airflow flowing through the second region, and the first airflow and the second airflow both flow in from a first side of the first cavity and flow out from a second side of the first cavity, so that the first region can be subjected to heat management by using the first airflow, and the second region can be subjected to heat management by using the second airflow. Meanwhile, since an average heat generation of devices arranged in the first region is greater than an average heat generation of devices arranged in the second region, more of the first airflow can flow into and flow out of a first channel defined by a cover by arranging the cover in the first region, so that a heat management effect of the first region can be improved, and then, a heat management effect can be improved on the whole.

The present application relates to photovoltaic lithium electricity energy storage and air conditioning system intelligent control technical field, specifically, the present application relates to photovoltaic lithium electricity air conditioner terminal machine room AI optimization method based on digital twinning, the present application is through the deployment of distributed optical fiber temperature sensor array, combined with k-epsilon turbulence model generates three-dimensional temperature field positioning hotspot area and calculates the maximum refrigerating capacity increment of air conditioner, fusion this increment, photovoltaic forecast power and lithium charge state, superimposed inverter efficiency compensation factor gets air conditioner callable green electricity quota, bind hot spot and quota generates thermal-electric coupling factor, combined with photovoltaic fluctuation intensity activates linkage mode, triggers deep deterministic policy gradient model to execute air valve opening, water temperature setting, lithium charge and discharge collaborative decision, through joint reward function binding evaluation three control quantity, output joint control vector, the method improves green power consumption rate and temperature control precision, guarantees equipment safety, applicable to machine room efficient operation.

The invention relates to dynamic control of an electronic device open ratio (OAR) using an adjustable thermal ventilation mechanism. Techniques are described for dynamically adjusting an open ratio (OAR) while ensuring compliance with regulatory requirements. An adjustable thermal vent assembly is described that dynamically adjusts the OAR of an inlet / outlet vent depending on the current use case. An adjustable thermal vent assembly is used to increase the fence spacing only if a trigger condition that ensures that the respective thermal vent location is not accessible is satisfied. This temporarily inaccessible area may include a bottom cover when the electronic device is placed on a surface of an object for a hot intake vent, or a rear portion of the electronic device when the display screen cover exceeds a predetermined angle for a hot exhaust vent.

The invention belongs to the technical field of optical modules, and particularly relates to a CPO module structure which comprises an installation shell, a switching chip, an optical engine, a light source system and an auxiliary monitoring system, the switching chip and the optical engine are installed on a supporting substrate in the installation shell, an optical fiber coupling interface is arranged on the outer side of the installation shell, and the optical fiber coupling interface is connected with the optical source system. The optical fiber link is used for connecting the optical engine and external computer equipment; according to the CPO module structure, related data such as power management, temperature management and link connection signal stable state of the CPO module structure in the use process are monitored in real time through the configured auxiliary monitoring module, and the data are collected through optical power, temperature, current sensors and the like; when abnormal data occur in the monitoring process, troubleshooting and positioning and automatic maintenance and troubleshooting can be rapidly carried out, the frequency of disassembly, maintenance and repair is reduced, and the use experience is improved.

The invention discloses a control method and device for a cooling fan of a switch, equipment and a storage medium, and relates to the technical field of computers. The method comprises the steps of firstly obtaining a first temperature value of each optical module of the switch, and screening out a first optical module set with the first temperature value in a first temperature interval; classifying the first optical module set according to the optical power level, calculating the duty ratio compensation value corresponding to each category of optical modules, and summarizing to obtain a target compensation value; and then correcting the duty ratio initial value by using the target compensation value to obtain a duty ratio correction value so as to control the cooling fan. Besides, a second optical module set is screened out by obtaining second temperature values of the optical modules, the second number of the optical modules in the second optical module set and the first number of the optical modules in the first optical module set are compared, and if the second number is larger than or equal to the first number, a fault prompt is generated. According to the method, the cooling fan can be accurately controlled, and normal operation of the cooling system is ensured.

The invention discloses an intelligent temperature control terminal strip system, and the system comprises a temperature sensing network which comprises a plurality of distributed temperature sensors; a terminal strip structure; a control system; the fault self-healing unit comprises a flexible brazing bridge between the terminal row busbar and the sensing layer, and a state quantification monitoring module which is used for triggering fusing protection and carrying out on-line thermal remelting repair during local over-temperature; and the communication bus adopts a CAN-FD and LoRa dual-bus design and is used for connecting the temperature sensing network, the control system and the fault self-healing unit so as to realize a plug-and-play function. The terminal strip temperature control system has the following beneficial effects that the problems of low monitoring precision, response lag, passive heat dissipation, poor reliability and the like in a traditional terminal strip temperature control system are solved by deeply fusing various advanced algorithms.

The invention discloses an electronic communication cabinet, and relates to the technical field of communication equipment, the electronic communication cabinet comprises a cabinet body, a plurality of equipment placing plates, a first air guide box body and a first fan, and two opposite side walls of the cabinet body are provided with a plurality of groups of first air inlets and first air outlets which are correspondingly arranged; a first air duct is formed between one first air inlet and one first air outlet which are correspondingly arranged; the equipment placing plates are arranged in the cabinet body at intervals, the equipment placing plates are used for placing various types of hardware, and the first air ducts are adjacent to the bottoms of the equipment placing plates; the first air guide box body is arranged at the side part of the cabinet body, the first air guide box body is provided with a first air guide cavity, the first air guide box body is provided with a plurality of first air guide ports, and the first air guide ports are communicated with the first air inlet; and the first fan is connected with the first air guide box body. The heat dissipation device aims at conducting precise heat dissipation on the portion, with the high heating value, of equipment.

A telecommunications cabinet can include a base cabinet structure, a front door, an air intake assembly, an exhaust damper, a series of batteries, a telecommunications unit, and a battery dehumidification system, with the front door, the air intake assembly, the exhaust damper, the batteries, the telecommunications unit, and the battery dehumidification system all carried on or in the base cabinet structure, as the case may be. The battery dehumidification system can include at least one fan and at least one of a thermostat and at least one environmental (temperature and / or humidity) sensor. The thermostat and / or one or more environmental sensors can generate a corresponding operational signal, the one or more corresponding operational signal configured to selectively control the operation of the one or more fans to selectively force at least a portion of the waste heat from the telecommunications unit towards the battery.

The invention provides an RH refining process LI BS component detection system with a replaceable gun head, and relates to the technical field of ferrous metallurgy. According to the invention, through the long-distance light path module, focusing and light receiving processes are realized, only two plano-convex lenses are used in the process, and the system is simple and practical and has a high practical value; secondly, a detachable detection gun head is introduced into the long-distance light path module, so that an integrated structure of the optical lens and the detection gun head is realized, and the easy-to-wear optical lens is conveniently disassembled, assembled and maintained through the detachability of the gun head structure; thirdly, a nitrogen cooling circulation module is used, nitrogen cooling circulation is achieved on lenses, equipment and the like through a nitrogen circulation pipeline and a cooling circulation container, and stable work of the whole system is guaranteed; and finally, a real-time on-line forecasting module is used, original off-line pneumatic sample feeding is omitted, sample preparation and manual detection links are not needed, the manual labor cost is saved, the smelting detection efficiency is improved, and the system integration degree and the intelligent level are high.

An electronic device includes a housing, a fan module, a partition, two heat sources, and an air guide assembly. The housing has an internal space and an opening communicated with each other. The fan module is fixed to an outside of the housing and configured to generate an airflow toward the opening. The partition is disposed in the internal space. The partition divides the internal space into first and second sub-spaces, and is configured to branch the airflow into first and second sub-airflows to the first and second sub-spaces, respectively. The two heat sources are respectively disposed in the first and second sub-spaces. The air guide assembly is disposed at the opening and includes a plurality of air guide blades. The air guide blades are configured to rotate to adjust air volumes of the first and second sub-airflows.

The invention provides a heat dissipation method and a heat dissipation system for outdoor electronic paper display equipment. The heat dissipation method comprises the following steps: detecting and acquiring a machine body temperature value and an environment temperature value of the outdoor electronic paper display equipment; according to the machine body temperature value, the environment temperature value and the mapping relation among the machine body preset temperature value, the environment preset temperature value and the heat dissipation duration, the heat dissipation duration is obtained; obtaining a heat dissipation time node according to the next image brushing time and the heat dissipation duration; and at the heat dissipation time node, the heat dissipation device is started to dissipate heat of the machine body. The problem that outdoor electronic paper display equipment is poor in heat dissipation is effectively solved.

The invention relates to a mini network cabinet, and the cabinet comprises a cabinet body assembly which comprises a three-dimensional frame, a bottom plate, a mesh top plate, cabinet doors and a door lock, the inner side of the three-dimensional frame is an accommodation space, the bottom plate is connected to the bottom of the three-dimensional frame, the mesh top plate is connected to the top of the three-dimensional frame, the cabinet doors are connected to the periphery of the three-dimensional frame, and the door lock is used for locking the three-dimensional frame and the cabinet doors; the supporting and wire arranging assembly is connected in the accommodating space and is used for installing equipment in the cabinet and managing cables; the temperature control assembly comprises a fan and a temperature controller, the fan is connected to the inner side of the mesh top plate and used for driving air to flow, and the temperature controller is connected to the mesh top plate and used for controlling the fan. According to the invention, the mesh top plate, the cabinet door with four openable surfaces and the temperature control assembly are arranged, the mesh top plate and the temperature control assembly realize automatic temperature regulation and control of the network cabinet, efficient heat dissipation is realized, the cabinet door with four openable surfaces is convenient to maintain and operate, and the maintenance efficiency is improved; mechanical locks are mounted on four side doors of the cabinet, so that the anti-theft capability is improved.

Methods and systems for managing cooling of a data processing system. In particular, active cooling using a fan controlled by an embedded controller is provided in a data processing system having components from a thermal architecture that is only capable of providing passive cooling through throttling of a motherboard of the data processing system. The thermal architecture is based on a passive cooling thermal architecture of a computing device without the capacity to include the fan and the embedded controller, and the motherboard is one of the components of the thermal architecture.

The invention belongs to the technical field of heat dissipation of energy storage and boosting all-in-one machines, and particularly discloses a heat dissipation method and system for an energy storage and boosting all-in-one machine, a terminal and a medium, and the method comprises the steps: dividing a heat management region according to the structure and thermal characteristics of the energy storage and boosting all-in-one machine; collecting temperature and load parameters of each area, and predicting a target temperature for air cooling control of each area; determining an air cooling demand grade according to the target temperature and the actual temperature, and constructing a thermal risk index for grade division; a temperature buffer area is set according to the temperature fluctuation condition, and stable adjustment of the state of the fan is achieved; and optimizing a fan action control strategy by minimizing the target function of the start-stop cost and the service life loss of the fan. And efficient and intelligent heat dissipation control can be realized. According to the method, the response precision of an air cooling strategy and the robustness of equipment heat management can be improved, energy consumption and fan loss are reduced, and the method has good practical application value and popularization prospects.

An electronic apparatus includes a vibration detector that detects a vibration of the electronic apparatus, and a controller that controls an operation of a fan which cools an inside of the electronic apparatus. The electronic apparatus controls an operation of the fan based on a difference between a first vibration detection result of the vibration detector in a case where the fan is not operated and a second vibration detection result of the vibration detector in a case where the fan is operated.

The invention relates to the technical field of medical apparatus and instruments, and discloses an ultra-pulse thulium fiber laser therapy apparatus, which comprises a laser, a coupler, a lithotripsy energy transmission optical fiber, a thulium fiber laser head, an electrical device, a mainboard, an air cooling device and an equipment case, the laser is of an all-fiber structure and outputs 1940-nanometer near-infrared laser, the 1940-nanometer near-infrared laser is transmitted to the thulium fiber laser head through the thulium-doped double-clad fiber, and a collimating lens set is arranged at the light emitting end of the laser head and used for shaping the laser into collimated light beams. An aspheric focusing lens and an optical fiber clamping mechanism are arranged in the coupler, and the coupler is used for focusing the collimated light beam into the lithotripsy energy transmission optical fiber; the lithotripsy energy transmission optical fiber is a multimode quartz optical fiber, the end face is polished and plated with an anti-reflection film, one end is connected with the coupler through an FC / APC interface, and the other end is connected with an external replaceable treatment handle; and the electrical device is electrically connected with the mainboard. According to the invention, efficient and intelligent heat dissipation management is realized, and the energy transmission efficiency and the output stability are improved.

A measurement device unit includes: a data processing device; a protection cover covering at least an upper side of the data processing device and defining a space between the protection cover and the data processing device; a front side supply / discharge device provided on a front side of the vehicle, and supplying or discharging air between an outside of the protection cover and the space; a rear side supply / discharge device provided on a rear side of the vehicle, and supplying or discharging the air between the outside of the protection cover and the space; and a supply / discharge control device acquiring at least one item of information on an internal temperature of the protection cover, an external temperature of the protection cover, a traveling direction of the vehicle, presence or absence of a failure in the supply / discharge devices, and controlling air supply and discharge operations, based on the information acquired.

This disclosure relates to an intraoral scanning device configured to perform a scanning of a dental object inside an oral cavity, the device including: one or more electronic units; a cooling system configured to remove heat from the one or more electronic units, the cooling system including a heat exchanger unit and a flow generating unit, wherein at least a part of the flow generating unit is covered by the heat exchanger unit; an air inlet and an air outlet, wherein the air inlet and air outlet are separated by the heat exchanger unit, wherein the flow generating unit is configured to move air between the air inlet and the air outlet and through the heat exchanger unit in a direction mainly perpendicular to a longitudinal axis of the intraoral scanning device.

The invention discloses a heat dissipation system and method for a multi-face advertising machine, and belongs to the technical field of machine heat dissipation. The system comprises a multi-surface temperature monitoring module which is used for monitoring the heating temperature of a preset heating position on the multi-surface advertising machine in real time; the intelligent control module is used for comparing the heating temperature with a preset temperature threshold value, and / or determining the temperature difference condition of the display screens according to the heating temperature, and / or determining the temperature change trend of the multi-surface advertising machine according to the heating temperature, so as to control the display screens according to the comparison result and / or the temperature difference condition and / or the temperature change trend. Generating a heat dissipation strategy through a preset control algorithm; and the composite heat dissipation module is used for controlling the air cooling sub-module, the phase change collaborative heat dissipation sub-module and the vapor chamber auxiliary heat dissipation sub-module to execute corresponding heat dissipation operations according to the heat dissipation strategy. According to the system, a targeted heat dissipation strategy can be provided for the multi-face advertising machine, the heat dissipation efficiency is improved, and the temperature of each display screen is within a reasonable range.

A base station for an unmanned aerial vehicle (UAV) is disclosed that includes: an enclosure defining an internal cavity that is configured to receive the UAV; a door that is movably connected to the enclosure; actuators that extend between the door and the enclosure to facilitate opening and closure of the door; a cradle that is configured to receive the UAV and which is movable in relation to the enclosure such that the cradle is repositionable between a retracted position and an extended position to facilitate movement of the UAV into and out of the enclosure; and engagement members that are secured to the actuators and which are configured for contact with propeller assemblies on the UAV to facilitate folding of the propeller assemblies during movement of the UAV into the enclosure.

Program workload hints are sent from a processor to a sub-ambient cooling controller at or before the start of the program to enable the sub-ambient cooling device so that required cooling of the processor integrated circuit is anticipated before a significant temperature rise in the processor occurs. Program workload hints are used instead of processor temperature so that thermal lag is reduced, thereby reducing processor temperature rise. In addition, power to the sub-ambient cooling device may be turned off near or at completion of the program to minimize cooling power used. Multiple processors may share sub-ambient cooling device fans during thermal load diversity of the processors running programs at different times.