1884results about "Modifications using gaseous coolants" patented technology

A base station is disclosed for an unmanned aerial vehicle (UAV) that includes: an enclosure defining a window that is configured to receive the UAV to allow for entry of the UAV into the base station and exit of the UAV from the base station; a door that is movably connected to the enclosure such that the door is repositionable between a closed position and an open position; a sealing member that extends about the window and which is configured for engagement with the door so as to form a seal therewith in the closed position; and a heating system that is supported by the enclosure and which is configured to heat the door and / or the sealing member to support operation (e.g., opening and closure) of the door in a cold environment, wherein the heating system includes at least one light source and at least one heating element.

A base station is disclosed for an unmanned aerial vehicle (UAV). The base station includes: an enclosure; a slide mechanism that is connected to the enclosure and which is repositionable between a retracted position and an extended position; and a cradle that is connected to the slide mechanism and which defines a chamber that is configured to receive the UAV such that the UAV is movable into and out of the enclosure during repositioning of the slide mechanism between the retracted position and the extended position. The cradle includes: an upper shell; a lower shell that is connected to the upper shell; and at least one thermal insulator that is located between the upper shell and the lower shell.

A docking system is disclosed for an unmanned aerial vehicle (UAV). The docking system includes a base station that is configured to receive the UAV and a pedestal that is configured to support the base station in an elevated position. The pedestal defines an interior space that is configured in correspondence with an outer contour of the base station such that the base station is positionable within the pedestal to protect the base station during nonuse.

The invention relates to the technical field of power adapter temperature management, and discloses a gallium nitride power adapter temperature management system comprising a dynamic thermal model module used for accurately predicting the temperature change trend of each key component; the multi-level temperature monitoring network module is used for forming a complete temperature distribution diagram; the multi-device collaborative sensing module is used for generating a sensing result of the whole heat dissipation environment; the self-adaptive air duct structure module is used for optimizing an air flow path; the heat dissipation path module based on swarm intelligence is used for calculating and generating an optimal multi-device collaborative heat dissipation path by applying a swarm intelligence algorithm; the self-adaptive heat dissipation control strategy module is used for realizing multi-target balance optimization of temperature, noise and energy consumption; the problem that heat dissipation is difficult when multiple adapters are used in a centralized mode is solved, heat dissipation efficiency is improved, energy consumption is reduced, and noise is reduced.

The invention discloses an operation condition optimization method and system of a charging facility liquid cooling system, and relates to the technical field of data processing. The method comprises the following steps: acquiring charging load data of a plurality of heating devices in the liquid cooling system of the charging facility and environment temperature data of the environment; determining a target cooling liquid flow of the heating device based on a load voltage and a load current in the charging load data, and determining a target cooling liquid temperature of the heating device based on the environment temperature data; receiving the charging temperature of each heating device; and correspondingly adjusting the pump speed of a circulating pump in the liquid cooling system of the charging facility and the rotating speed of a radiator fan of each heating device by combining the target cooling liquid flow and the target cooling liquid temperature of each heating device, so as to cool each heating device until the charging temperature of each heating device is within a preset charging temperature range. By implementing the technical scheme provided by the invention, the effect of improving the liquid cooling efficiency of the liquid cooling system based on the charging facility is achieved.

The invention provides an immersed liquid cooling device, a control method and a system, and relates to the technical field of heat dissipation, the temperature of an inlet and an outlet of a chip-level evaporator at a chip and the highest temperature of the chip are obtained in real time through a preset sensor, and the corresponding relation between the inlet and outlet temperature difference and a preset threshold value is determined; if the outlet temperature difference is smaller than the preset threshold value, the valve opening degree of a pipeline valve corresponding to the outlet temperature difference is controlled to be reduced along with increasing of the outlet temperature difference according to a preset adjusting method, and the valve opening degree is determined in real time; when the valve opening degree reaches the minimum value and the outlet temperature is still smaller than the preset threshold value, the target fan rotating speed is determined through a first preset formula according to the chip highest temperature and the chip heating power; and if the outlet temperature difference is equal to the preset threshold value, the target fan rotating speed is determined according to the chip highest temperature and the chip heating power. According to the invention, the problem that an immersed liquid cooling device, a control method and a system which are controllable in cooling object and cooling effect and wide in application range are lacked in the prior art is solved.

A heat sink comprising a heat exchange device having a large-scale morphology over a scale range and a small-scale texture over a scale range, wherein at least one of the large-scale morphology and the small scale texture has a fractal-like self-similarity over a scale range. The large-scale morphology and small-scale texture may be defined and implemented independently, or be provided with a transitional range. The large-scale morphology may be algorithmically optimized according to a set of geometrically constraints. The small-scale texture may be optimized according to aerodynamic parameters and constraints. The heat sink may be dynamically varying, and / or operated in conjunction with a dynamically varying heat transfer medium supply.

The invention relates to the technical field of electronic equipment, and discloses a piezoelectric heat dissipation unit, a heat dissipation system and a piezoelectric heat dissipation fan, and the piezoelectric heat dissipation unit comprises a piezoelectric element, a vibrating diaphragm, a supporting frame, a jet flow plate, an air outlet plate and a connecting assembly. The supporting frame is provided with a cavity, and the two sides, in the first direction, of the cavity are open. The vibrating diaphragm and the jet flow plate cover the two sides of the cavity in the first direction respectively and are connected with the supporting frame, jet flow holes are formed in the jet flow plate, the piezoelectric element is attached to the side, away from the cavity in the first direction, of the vibrating diaphragm, and the air outlet plates are arranged on the side, away from the cavity in the first direction, of the jet flow plate at intervals. The edge of the air outlet plate is connected with the edge of the jet flow plate through a connecting assembly, the connecting assembly is provided with an air inlet channel, the air inlet channel is communicated with the jet flow hole, and the air outlet plate is provided with an air outlet hole communicated with the jet flow hole. The gas flow channel is reasonable in design, high in heat dissipation efficiency and suitable for heat dissipation of light and thin electronic products.

A portable worksite monitoring and communication device, including a weatherproof sealed container, further comprising, a container portion having an internal cavity, a removable cover arranged to lockably seal the internal cavity, and a heat sink opening, a heat sink apparatus sealably secured within the heat sink opening, a plurality of electronic connectors, a computing device in communication with a cellular modem, the cellular modem in communication with a cloud network, the computing device in communication with the plurality of electronic connectors, a display in communication with the computing device, and, a plurality of communication configurations in communication with the computing device, wherein the heat sink apparatus is arranged to programmably activate or automatically activate.

The invention relates to the technical field of electronic equipment, and discloses a piezoelectric heat dissipation device and a heat dissipation system.The piezoelectric heat dissipation device comprises a shell, a connecting assembly and a piezoelectric assembly, the piezoelectric assembly is arranged in the shell and connected with the shell through the connecting assembly, and the piezoelectric assembly comprises a first piezoelectric element, a vibrating diaphragm, a supporting frame and a jet plate which are sequentially connected in the first direction; a jet hole is formed in the jet plate, and an energy conversion cavity communicated with the jet hole is defined by the vibrating diaphragm, the supporting frame and the jet plate; the shell comprises a shell body and an air outlet cover plate, the shell body is provided with an opening facing the jet flow plate in the first direction, the air outlet cover plate covers the opening and is provided with an air outlet communicated with the jet flow hole, and the shell body is further provided with an air inlet communicated with the jet flow hole. The piezoelectric heat dissipation device is simple in structure and easy to miniaturize, and the structural arrangement of the heat dissipation system is beneficial to improving the heat dissipation effect of the piezoelectric heat dissipation device.

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.

A regenerative braking system for an electrified vehicle includes a battery system, an electric motor and a regenerative system resistor. The battery system selectively stores and delivers power. The electric motor is powered by the battery system and transfers drive torque to a driveline for propulsion of the vehicle and that selectively directs regenerative power in a first mode to the battery system during regenerative braking. The regenerative system resistor is selectively moveable between a first position during the regenerative braking in the first mode and a second position where regenerative power is directed to the regenerative system resistor and dissipated as heat in a second mode. At least one fan is disposed on the regenerative system resistor and selectively operates to direct air onto the regenerative system resistor based on operating conditions.

The invention relates to the technical field of electricity meters, and particularly discloses a relay and an electricity meter thereof, comprising a mounting plate: a clamping frame is fixedly mounted on the front surface of the mounting plate, sliding grooves are formed in the upper and lower ends of the clamping frame, sliding plates are slidably connected to the inner sides of the sliding grooves, and heat dissipation fins of a heat conduction aluminum plate are attached to electronic components in the electricity meter. The n-pentane heat-conducting medium in the liquid storage box is heated and vaporized, the heat is absorbed, the heat dissipation capability is improved, the heat pushes the air cylinder to open the heat dissipation window, the air velocity in the electric meter is improved, the heat dissipation is enhanced, the temperature is continuously increased, and the heat-conducting medium is further vaporized, so that the inner current-conducting plate and the outer current-conducting plate are attached; and after the temperature is reduced, the heat-conducting medium is condensed, the air cylinder shrinks to block the heat dissipation window, the heat dissipation fan does not need to be automatically triggered by a temperature sensor, the consumption is reduced, the stability is improved, the cost is reduced, and the protection and moisture-proof performance is improved by the blocking window when the heat dissipation device is not used.

The invention belongs to the field of overvoltage protection, and relates to an overvoltage stabilizing and protecting device which comprises a data acquisition operation module, a control logic module, a display module, an overvoltage protecting assembly and a high-voltage vacuum circuit breaker or an electric isolation handcart structure. The real-time monitoring and protection of the working state of the overvoltage protection assembly are realized; through the arrangement of the high-voltage circuit breaker or the electric isolation handcart, when the overvoltage protection assembly is detected to be abnormal, the connection between the overvoltage protection assembly and the high-voltage bus can be rapidly cut off, so that the system safety is ensured; the device integrates a transient fault recording function and can capture wave map data before and after a power frequency overvoltage fault of the system; the overvoltage protection assembly in the device adopts a geometric center air cooling heat dissipation mode, the fan is quick in starting response, the operating temperature of the overvoltage protection assembly is greatly reduced, the operating time of the overvoltage protection assembly can be effectively prolonged, and the device adopts an integrated modular structural design, so that the operation safety, the maintenance and the management are greatly facilitated.

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.

Embodiments of the present disclosure provide an emergency cooling device for a data center, comprising: a liquid supply pipe and a liquid return pipe that are used for being connected to a liquid cooling cabinet in the data center; a dry cooler connected to the liquid return pipe and configured to use air to cool a cooling liquid received from the liquid cooling cabinet via the liquid return pipe; a first fan arranged adjacent to the dry cooler and configured to drive air to flow through the dry cooler; a liquid storage tank connected to the dry cooler via a first valve and configured to store a cooling liquid and mix the cooling liquid received from the dry cooler with the stored cooling liquid; and a circulating pump, the inlet thereof being connected to the liquid storage tank via a second valve and the outlet thereof being connected to the liquid supply pipe, and the circulating pump being configured to circulate the cooling liquid from the liquid storage tank to the liquid supply pipe and supply the cooling liquid to the liquid cooling cabinet via the liquid supply pipe.

The invention belongs to the technical field of energy storage cooling, and particularly relates to a cooling circulation system and an equipment cooling method, and the cooling circulation system comprises a liquid inlet system, a heat exchange system and a liquid outlet system. The heat exchange system comprises a plurality of heat exchange units which are connected in parallel; the liquid inlet system is connected with the input end of the heat exchange system, and a pressure detection device, a liquid temperature measurement device I, a pollution discharge degassing tank and a liquid circulation driving unit are connected into the liquid inlet system; the liquid outlet system is connected with the output end of the heat exchange system, and a conductivity detection device, an outlet pressure detection device and a liquid temperature measurement device II are connected into the liquid outlet system. Through dynamic modular adjustment, multi-parameter intelligent control, energy-saving composite heat dissipation and high-reliability design, the problems of low heat dissipation efficiency, high energy consumption, high maintenance cost, poor adaptability and the like in the prior art are effectively solved; and particularly, the method has remarkable advantages in the aspects of precise heat dissipation of high-power-density equipment, stable operation under complex working conditions and full-life-cycle cost control.

The embodiment of the invention discloses a high-voltage box heat dissipation control method, electronic equipment and a storage medium, and the method comprises the steps: determining a heat dissipation demand and related fan operation parameters based on the heating characteristics and working condition data of internal components of a high-voltage box; constructing a dynamic airflow model of an internal flow channel of the high-pressure tank, and optimizing a flow channel structure and airflow distribution of the high-pressure tank based on a fluidics principle; according to flow characteristics and structural strength requirements of the high-voltage box, hole opening parameters and a machining process are determined, and the high-voltage box is machined through the machining process according to the hole opening parameters; and verifying the heat dissipation effect of the processed high-voltage box through the constructed multi-physical field coupling model, generating a heat dissipation verification effect, and dynamically adjusting heat dissipation control parameters corresponding to the high-voltage box based on a heat dissipation verification result. According to the high-voltage box heat dissipation control scheme provided by the invention, the heat dissipation efficiency of the high-voltage box can be effectively improved, the reliability and safety of equipment operation are enhanced, and heat dissipation requirements under different working conditions are met.

The invention provides a photovoltaic inverter for a solar photovoltaic module, and belongs to the field of photovoltaic inverters. Comprising a shell, a mounting seat is fixedly connected to the inner surface of the shell, a power module and a control module are fixedly connected to the outer surface of the mounting seat, ventilation grooves are symmetrically formed in the outer surface of the shell, and a dehumidification assembly is arranged on the inner side of the shell and comprises a partition plate fixedly connected with the lower end of the inner surface of the shell; a supporting plate is fixedly connected to the outer surface of the partition plate, a notch is formed in the outer surface of the upper end of the supporting plate, and a baffle is fixedly connected to the inner surface of the shell. Through the arrangement of the moisture removal assembly, air can be in full contact with the moisture absorption plate after entering the shell, moisture in the air can be effectively absorbed, the probability that condensation is formed in the inverter is reduced, the stability and safety of the inverter in the working process can be improved, and meanwhile the service life of the inverter can be effectively prolonged.

Embodiments of the present invention provide memory device (e.g., SSD) enclosures and shrouds that can receive and house SSDs of a specific form factor width, and can advantageously be selectively adapted to house and cool SSDs of a narrower form factor width using an adapter. The SSD shrouds described herein can guide SSDs into the correct position and orientation to be housed by the enclosure for quick and convenient installation, and advantageously redirect the air flow for effective cooling during operation to increase performance of the drive, optionally using internal fins to guide the airflow. Micro fans can be disposed on the top and / or bottom of the enclosure to improve air intake or exhaust. The SSD enclosures and adapters of the present invention obviate the need for differently sized SSD enclosures for specific device form factors and widths, which reduces costs and overhead when running multiple SSDs.

The invention relates to a heat dissipation optimization method and system for an air conditioner control panel, and belongs to the technical field of energy-saving air conditioner heat dissipation. Comparing the real-time temperature data with a preset temperature threshold value, and determining a heat dissipation mode; when the real-time temperature data is lower than a first threshold value, a first-stage heat dissipation mode is started, a heat dissipation fan is controlled to operate at the lowest rotating speed, and a basic heat conduction path of a cooling fin is activated; when the real-time temperature data is between a first threshold value and a second threshold value, a second-stage heat dissipation mode is started, the rotating speed of a heat dissipation fan is adjusted to be in linear proportion to the real-time temperature data, and an expansion heat conduction path of a cooling fin is started to increase the heat dissipation area; and when the real-time temperature data exceeds a second threshold value, starting a three-stage heat dissipation mode, switching to phase change material auxiliary heat dissipation, controlling a heat dissipation fan to operate at the maximum rotating speed, dynamically adjusting the heat conduction efficiency of a heat dissipation sheet through a pulse width modulation signal, and triggering a temperature alarm signal.

A liquid cooling method and system for estimating power consumption of cooling rack-mounted processing assemblies and controlling corresponding fan and pump speeds, is presented. The presented method and system provide for the estimation of the power consumption of the rack-mounted data processing assemblies by calculating a thermal load based on measured cooling liquid temperatures, heated liquid temperatures, ambient dry cooler temperatures, and cooling liquid volume and controlling the fan speed based on the estimated power consumption. The presented method and system also provide for controlling the pump speed based on measured flow rates and corresponding empirically derived pump head pressure values H.

The invention relates to the technical field of charging sockets, and particularly discloses a charging seat, which comprises a fixed block, a socket and a dustproof cover, the main locking block is movably assembled on the socket along the radial direction of the plugging cavity; the unlocking button is movably assembled on the socket along the depth direction of the plugging cavity; the connecting rod is connected between the main locking block and the unlocking button; the labor-saving lever is mounted on the socket; the boosting block is arranged at the resistance end of the labor-saving lever and is movably assembled on the socket along the depth direction of the insertion cavity; the pushing plate is movably assembled in the insertion cavity along the depth direction of the insertion cavity; the diameter of the inserting cavity is larger than that of the charging gun head, the pushing plate is provided with a pushing inclined face used for pushing the main locking block to move out of the inserting cavity, and the main locking block is provided with a main locking face. According to the charging seat, smooth plugging and unplugging actions are realized, and the reliability of charging connection and the user experience are improved.

The invention discloses a dynamic liquid cooling device of a communication case. The dynamic liquid cooling device comprises a control system, a case shell, a cold plate type liquid cooling system, a transmission mechanism and a gear synchronizing mechanism, n unit modules are installed in the case shell in an array mode, and temperature sensors are arranged on the unit modules. The cold plate type liquid cooling system comprises N cooling plates and N liquid cooling fixing frames, the liquid cooling fixing frames are installed on one sides of the unit modules, and the cooling plates are installed on the liquid cooling fixing frames; the transmission mechanism comprises a stepping motor, a transmission main shaft and N push plate assemblies which are matched with the N cooling plates one by one; the number of the gear synchronizing mechanisms is M, and the transmission main shaft can be connected with one or more push plate assemblies through the gear synchronizing mechanisms. The cooling plate has a dynamic position adjusting function, the distance between the cooling plate and a component can be automatically adjusted according to the temperature change of the unit module monitored by the temperature sensor in real time, the cooling intensity is automatically adjusted, energy waste is avoided, and the equipment can be kept to operate within the optimal temperature range through the optimized operation mode of the cooling plate.

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 present disclosure is directed to a power distribution unit (PDU). The PDU includes an enclosure, which consists of a front panel, at least one side panel, and a rear panel. The PDU further includes at least one power output receptacle mounted on the enclosure, and at least one or more circuit breakers coupled to a breaker mount. The circuit breaker can have a DIN-Rail mount design and is in series with the corresponding power outlet receptacle. The breaker mount consists of a base surface, a mounting surface, and a top surface for attaching the breaker mount to the PDU. The mounting surface of the breaker mount includes a first mounting post and a second mounting post, to allow for a DIN-Rail mountable circuit breaker to be installed in the PDU.

To provide a compact voice-activated electronic device with speakers, electronic components and a dual-purpose waveguide / heatsink structure that directs sound from the speakers to an outside of the device and to dissipate heat from the electronic components to the outside of the device.SOLUTION: A compact voice-activated electronic device 404 comprises: a speaker assembly 436; a bottom housing 408 on which the speaker assembly is mounted; an upper housing 406 serving as a speaker grill; a printed circuit board 432 on which electronic components are mounted; and an acoustic waveguide / heatsink 434 configured to direct sound from the speaker assembly to an outside of the voice-activated electronic device and to dissipate heat generated in the electronic components to the outside of the device.SELECTED DRAWING: Figure 4E

The invention relates to the technical field of electric control cabinets, and discloses an efficient heat dissipation frequency converter electric control cabinet which comprises a bottom plate and a heat insulation plate. In the efficient heat dissipation frequency converter electric control cabinet, a lower low-temperature area accelerates the flow speed of airflow in an air inlet pipe through rotation of a first fan, efficient heat dissipation is achieved, and a second fan in a high-temperature area and the first fan on the top supply air upwards; the natural convection characteristic of hot air rising is used for accelerating hot air discharging, air cooling is started at the low temperature, cooling plate water cooling is automatically switched at the high temperature, and the energy-saving performance and the powerful cooling requirement are both considered. When a differential pressure sensor on the filter screen monitors abnormity, a threaded rod can be driven to rotate, a brush plate moves up and down to automatically clean the filter screen, a second fan rotates reversely to blow dust and impurities away from the filter screen, a mounting frame is pushed inwards, a clamping block in a sleeve and a first circular truncated cone are unlocked, and a spring arranged on the sleeve in a sleeving mode can push the mounting frame and a mounting plate to automatically slide. When the mounting frame is pushed inwards again, the clamping block in the sleeve is automatically locked with the circular truncated cone I, so that the maintenance operation of the electric control cabinet is more convenient.

A substrate support assembly includes a first puck plate including one or more first functional elements, and a dielectric cooling plate is bonded to the first puck plate. The dielectric cooling plate includes one or more first channels for a coolant to flow therethrough, and one or more second channels for a gas to flow therethrough.

The embodiment of the invention discloses a mobile terminal and a heat dissipation control method thereof, relates to the technical field of terminal equipment, and can give consideration to the heat dissipation performance and the conciseness and delicacy of the appearance of the mobile terminal. The mobile terminal comprises a shell, a display panel, a heating device, a heat dissipation device and an air duct. The shell comprises a fixed shell, a heat dissipation shell and a supporting cover plate, wherein the fixed shell and the heat dissipation shell are arranged on the non-display side of the display panel. The shell is provided with a plurality of first air inlets located in the heat dissipation shell and a plurality of air outlets located in the heat dissipation shell and / or the fixed shell. And the multiple first air inlets communicate with the multiple air outlets through the air duct. The heating device and the heat dissipation device are arranged in the air channel. The supporting cover plate is movably connected with the heat dissipation shell and / or the fixed shell and is switched between a closed state and an unfolded state. In the closed state, the supporting cover plate covers the heat dissipation shell and shields at least part of the first air inlets. In the unfolding state, the supporting cover plate supports the display panel to stand up and is moved away from at least part of the first air inlet.