156 results about "Thermoelectric cooling" patented technology

The invention discloses a reliable distributed energy supply station flexible transformation method, system and device based on'thermoelectric cooling 'and a storage medium, and relates to the technical field of distributed energy supply flexible transformation, comprising the steps of determining a transformation direction based on distributed function data, and integrating thermoelectric cooling distributed energy supply; executing an energy management control strategy according to the determined transformation direction; and dynamically adjusting a control strategy in combination with distributed energy supply data and a prediction result. According to the method, stable energy supply can still be kept under different weather and sunshine conditions, a flexible energy management control strategy enables the system to better adapt to environmental changes and requirements, real-time monitoring and data analysis capability are achieved, dependence on solar energy can be predicted and adjusted in advance, and the optimal energy supply effect is achieved.

The refrigerator includes: a main body; a storage chamber formed inside the main body; a door provided so that the storage compartment can be opened and closed; an evaporator that evaporates the refrigerant to generate cold air; an evaporator duct disposed at a rear side of the storage compartment to supply the cold air generated by the evaporator to the storage compartment; and a thermoelectric cooling device including a thermoelectric element having a heating unit and a cooling unit. The thermoelectric cooling device is configured to heat air from the outside of the main body by the heating unit and discharge the air heated by the heating unit to the outside of the main body, cool air from the storage compartment by the cooling unit, and supply the air cooled by the cooling unit to the storage compartment, and is disposed above the storage compartment.

A portable beverage container capable of autonomously generating ice using an internal cooling system. The cup includes a thermoelectric cooling mechanism within a lower chamber that transforms water into ice. An optional embodiment allows the user to pour or store beverages in the same unit, enabling ice to cool the liquid directly for drinking. The invention is compact, self-contained, and ideal for travel, outdoor use, or situations where conventional refrigeration is unavailable.

A semiconductor package includes an interposer having a first principle surface and a second principle surface opposite the first principle surface. One or more semiconductor dies are disposed on the first principle surface of the interposer, and are electrically connected with the second principle surface of the interposer by electrical vias passing through the interposer. A heat spreading lid disposed over the one or more semiconductor dies. A thermally conductive material is disposed between the one or more semiconductor dies and the heat spreading lid. The thermally conductive material thermally couples the one or more semiconductor dies and the heat spreading lid. In some examples, the heat spreading lid may be a thermoelectric cooler. In some examples, the thermally conductive material may be a mixture of a gel and a liquid metal.

A system for intelligent monitoring of the cold chain and predictive environmental regulation; the system includes: a microcontroller configured with integrated Wi-Fi and Bluetooth communication protocols, the microcontroller serving as the central processing unit for acquiring, processing and transmitting sensor data; a plurality of sensors operationally coupled to the microcontroller, wherein the plurality of sensors includes at least one digital temperature sensor, at least one humidity sensor, at least one vibration sensor, at least one GPS module and at least one door access sensor, each of these sensors providing corresponding real-time data streams; a wireless communication subsystem comprising a GSM module operationally connected to the microcontroller, wherein the subsystem transmits encrypted sensor data to a cloud computing platform; a thermoelectric cooling unit comprising a Peltier element mechanically coupled to a heat sink and fan assembly, wherein the cooling unit is electrically coupled to a relay module controlled by the microcontroller to dynamically regulate the internal environment; and a cloud-based analytics engine that runs a Long Short-Term Memory (LSTM) model trained on historical sensor data, with the model predicting environmental anomalies before limit violations and transmitting predictive alerts via a dashboard to the microcontroller and authorized remote users.

Various illustrative systems, devices, and methods for face masks are provided. In general, a face mask is configured to provide cooling therapy to a user wearing the face mask. In an exemplary implementation, the face mask includes a thermoelectric cooling device, such as a Peltier device, a thermoelectric cooler (TEC), or other thermoelectric cooling device. The thermoelectric cooling device is configured to generate heat through a thermoelectric effect where a heat flux is created at a junction of two different types of materials. The heat flux creates a cold area and a hot area. The cold area is configured to face toward the user's face to provide cool energy to the user's skin.

The invention discloses a TEC rapid temperature change control method and system based on temperature difference feedforward, and belongs to the technical field of industrial process control and precise temperature control. The method comprises the following steps: synchronously collecting temperatures of cold and hot ends of a thermoelectric cooler, calculating a temperature difference, and directly querying a pre-constructed temperature difference-driving current mapping relation by taking the temperature difference as a core feed-forward variable so as to output a dominant feed-forward current; and a total driving current instruction is jointly generated in combination with feedback regulation current which is calculated based on the target deviation and is subjected to amplitude limitation. The mapping relation is calibrated based on an off-line experiment and can be adaptively corrected. The corresponding control system is composed of a temperature acquisition module, a data processing and control module and a current driving module. The technical problems that in traditional TEC temperature control, dynamic response speed and overshoot suppression cannot be considered at the same time due to dependence on temperature deviation or a complex physical model, and a feed-forward mechanism is insufficient in practicability are solved.

A thermal dissipation device for a handheld electronic device is provided. The thermal dissipation device includes a thermoelectric cooling chip, a temperature sensor, a humidity sensor, and a processing unit. The thermoelectric cooling chip has a cold surface and a hot surface. The cold surface is attached on a heating surface of the handheld electronic device by means of a heat conduction structure, and has a cold surface temperature. The temperature sensor and the humidity sensor are disposed in an area adjacent to the thermoelectric cooling chip for generating an environmental temperature and an environmental humidity respectively. The processing unit is configured to calculate a dew point temperature based on the environmental temperature and the environmental humidity; and determine whether to stop the thermoelectric cooling chip or not based on the cold surface temperature, the dew point temperature, and a heating surface temperature of the handheld electronic device.

A refrigerated lunch box device is provided. The device is comprised of a dual-compartment body configured to separate perishable and non-perishable food items, wherein one compartment includes an active cooling system in the form of a refrigeration unit. The refrigeration unit comprises a thermoelectric cooling assembly powered by a battery. The battery may be rechargeable via the charging port and in one embodiment may be a removable battery pack. A user interface control allows adjustment of internal temperatures. The device further includes a non-refrigerated compartment equipped that may be comprised of a modular insert system for customizable food organization.

Various illustrative systems, devices, and methods for face masks are provided. In general, a face mask is configured to provide cooling therapy to a user wearing the face mask. In an exemplary implementation, the face mask includes a thermoelectric cooling device, such as a Peltier device, a thermoelectric cooler (TEC), or other thermoelectric cooling device. The thermoelectric cooling device is configured to generate heat through a thermoelectric effect where a heat flux is created at a junction of two different types of materials. The heat flux creates a cold area and a hot area. The cold area is configured to face toward the user's face to provide cool energy to the user's skin.

A method includes forming a package component, including forming a thermal via extending through a substrate; and bonding a die to the thermal via; attaching the thermal via of the package component to a first conductive pad of a package substrate, wherein the package substrate includes a heat pipe underneath the first conductive pad; and attaching a support structure to a second conductive pad of the package substrate, wherein the heat pipe is underneath the second conductive pad, wherein the support structure includes a first thermoelectric cooler.

The application provides a display device and a heat dissipation control method thereof. The display device comprises a shell, the shell defines an inner cavity; a heat dissipation structure is arranged in the inner cavity, the heat dissipation structure comprises a thermoelectric cooling device and a heat sink, the thermoelectric cooling device has a hot end and a cold end, the hot end exchanges heat with the heat sink, and the cold end exchanges heat with a heat output area of the display device. The application increases the passive heat dissipation mode, the size of the thermoelectric cooling device is usually thin, the heat dissipation efficiency of the display device is improved, the requirements for the air flow generating device and the space inside the display device are reduced, the layout and structure design of other electronic elements inside the display device are not affected, and the thinning of the display device is facilitated.

A cooling vest module includes a flexible back plate attachable to a garment and at least one thermoelectric cooler mounted thereon. An annular gasket on an inner surface of the back plate seals against a wearer's back to define a confined recirculation space. Each cooler draws ambient air through an external inlet, discharges cooled air into the recirculation space via a cold-air outlet, and exhausts waste heat through heat-dissipation apertures. A recirculation inlet returns part of the cooled air for further cooling, while mounting features, support pads, and optional twin coolers ensure secure installation and structural integrity. The module provides efficient, true recirculating cooling and is particularly suitable for safety vests worn by environmental sanitation workers.

A system and method for controlling a heat exchanger including a plurality of thermoelectric coolers to provide conditioned air is provided. The method includes receiving system measurements indicative of one or more of the group consisting of a temperature on a receiving side of a first thermoelectric cooler, a temperature on a rejection side of the first thermoelectric cooler, a temperature on a receiving side of a second thermoelectric cooler, a temperature on a rejection side of the second thermoelectric cooler, an indication of a direction of airflow within the heat exchanger, and an indication of a relative humidity value. The method also includes selectively controlling two or more subsets of the thermoelectric coolers among the plurality of thermoelectric coolers based on the received system measurements, thereby enabling increased efficiency of the heat exchanger.

An EUV photomask inspection apparatus includes a plurality of optical systems respectively forming different confocal points in a mask structure including an EUV photomask and a pellicle on the EUV photomask. A first optical system among the plurality of optical systems includes a first light source emitting first light having a wavelength in a visible light range, a beam splitter transmitting or reflecting the first light, an objective lens configured to allow the first light to pass through at least a portion of the mask structure to form a first focus in the mask structure, a first light detector configured to detect first reflected light reflected from the mask structure by the incident first light, and a pinhole plate in front of the first light source. The first light detector includes a detection module including a PMT and an APD, and a thermoelectric cooling module.

A portable incubation system comprising a container and a temperature management system disposed within the container. The container comprises a housing forming an outer wall of the container, an inner chamber assembly disposed within the housing, and a lid coupled to the housing and arranged to seal the inner chamber assembly when closed. The temperature management system comprises a heat sink in thermal communication with an ambient environment of the portable incubation system, a thermoelectric cooler coupled to the inner chamber assembly, and a water-based heat pipe comprises a first end coupled to the heat sink and a second end coupled to the thermoelectric cooler. The system comprises a control system configured to direct the temperature management system to regulate a temperature of the inner chamber assembly and power the portable incubation system.

A coherent transmitter (100, 200) for use in a time division multiple access (TDMA) system is operated in multiple states to enable coherent burst transmission. In an OFF state, the transmitter (100, 200) generates a dummy laser output (fd) from either a dummy laser (102) or an active laser (52) tuned to a dummy frequency different from an active frequency (fa), thereby maintaining thermal and bias stability without adding excess power on an upstream channel (22). In an ON state, the active laser (52) produces an active laser output (fa) that is modulated by a quad-parallel Mach-Zehnder (QPMZ) modulator (60) to transmit data. A thermoelectric cooler (TEC) (58) stabilizes laser temperatures, and a variable optical attenuator (VOA) (54) controls output power. The transmitter (100, 200) is suitable for an optical network unit (ONU) (14) in a passive optical network (PON) (10) communicating with an optical line terminal (OLT) (12).

The present invention provides a beauty instrument, comprising: a housing with vents therethrough as an air inlet or air outlet; a control circuit board in the housing; a light source assembly in the housing and electrically connected with the control circuit board; and a thermoelectric cooling assembly. The thermoelectric cooling assembly comprises: a thermoelectric cooler, a heat sink, a fan, and a heat transfer assembly. The heat transfer assembly comprises a VC or an ALVC or an Aluminum Heat Pipe. The heat transfer assembly is thermally connected between the heat sink and the hot side of thermoelectric cooler. A front end of the beauty instrument has a light outlet surface; the cold side is connected to and cool the light outlet surface, or the cold side serves as the light outlet surface, thereby, the light outlet surface is able to cool skin in contact.

An X-ray detector can incorporate an aerogel insulator that encloses one or more thermoelectric coolers (TECs) and sensors of the X-ray detector to provide insulation instead of vacuum encapsulation. The aerogel insulator can be poured in gel form into an assembled X-ray detector to encase components such as the TEC, wire connections, amplifiers, and possibly the sensor, and then dried to form the aerogel insulator.

A self-regulating solar delivery system for a data center. The ambient temperature outside the data center is monitored. When the temperature exceeds a preset threshold, a controller activates a switch to connect a photovoltaic system to a DC / DC converter, and the DC / DC converter to a plurality of thermoelectric coolers (TECs). When the temperature drops below a second threshold, the controller disconnects the photovoltaic system. In this way, when the most additional cooling is needed, i.e. during hot ambient temperatures, the photovoltaic system also produces the most energy and is available to power the TECs, which enhances heat transport away from the processors. The photovoltaic system can also be used to activate a liquid cooling pump or other cooling device to enhance heat removal from the servers.

The present invention relates to a power supply module for small mobile electrical devices such as thermoelectric cooling boxes, spotlights, compressors, and fans, comprising at least one compartment designed for the detachable mechanical mounting of an interchangeable battery pack of a voltage class in the range of 12V to 40V and with contact terminals for electrical connection to its contacts, a DC / DC voltage converter for converting the voltage of the interchangeable battery pack inserted into the compartment and electrically connected to it to 12V, a power regulator for selectively controlling the amount of current output of the converted current, and an electrical output connector in the form of a socket and / or a plug for outputting the power-regulated current and for electrically connecting the small mobile electrical device.

The utility model discloses an aloe beverage production cooling device which comprises a shell filled with temperature conducting oil. The beverage conveying mechanism comprises a spiral temperature conduction copper pipe horizontally arranged in the shell, the two ends of the spiral temperature conduction copper pipe communicate with transverse pipes, the other ends of the two transverse pipes penetrate through the inner wall of the shell and extend to the outside, and rotating joints are installed in the other ends of the two transverse pipes correspondingly; a mounting plate is mounted on the left side of the shell, a liquid pump is mounted at the upper end of the mounting plate, the liquid outlet end of the liquid pump communicates with the other end of the rotary joint on the left side, and a liquid drainage pipe is mounted at the other end of the rotary joint on the right side; and the cooling mechanism is used for cooling the temperature conducting oil. According to the device, continuous cooling operation can be achieved, the overall cooling efficiency is effectively improved, cooling is achieved through heat exchange, the cooling uniformity is good, and the continuous cooling effect is guaranteed in cooperation with the thermoelectric cooler.

A drug-injecting smartwatch band designed to deliver medication through the skin of the wrist is disclosed. The drug-injecting smartwatch band includes a security band for fastening a smartwatch, a controller unit to receive commands from the smartwatch, and an injection unit positioned adjacent to the veins on the underside of the wrist. The injection unit comprises a medication container, injection members, a thermoelectric cooling element, and an activation means. The system is synchronized with an application to detect a cardiac event and automatically administer medication. Additional features include integrated sensors, a controller board, a rechargeable battery, and a push button for activation.

The application discloses a TEC rapid temperature change control method and system based on temperature difference feedforward, and belongs to the technical field of industrial process control and precision temperature control. The temperature difference between the hot end and the cold end of a thermoelectric cooler is synchronously collected and calculated, and the temperature difference is used as a core feedforward variable, so that a pre-constructed temperature difference-driving current mapping relationship is directly inquired to output a dominant feedforward current; a feedback adjustment current based on target deviation calculation and subjected to amplitude limitation is combined to jointly generate a total driving current instruction. The mapping relationship is calibrated based on offline experiments and can be adaptively corrected. A corresponding control system is composed of a temperature collection module, a data processing and control module and a current driving module. The application solves the technical problems in traditional thermoelectric cooler (TEC) temperature control, i.e., the dynamic response speed and overshoot suppression cannot be considered together due to the dependence on temperature deviation or a complex physical model, and the practicability of the feedforward mechanism is insufficient.

A thermoelectric cooling system includes a first circuit, a second circuit, a circuit heat exchanger, and a thermoelectric subsystem. The first circuit is configured to circulate a first refrigerant. The second circuit is configured to circulate a second refrigerant. The circuit heat exchanger includes a circuit heat exchanger first passage and a circuit heat exchanger second passage. The circuit heat exchanger first passage is coupled to the first circuit and configured to receive the first refrigerant from the first circuit and provide the first refrigerant to the first circuit. The circuit heat exchanger second passage is coupled to the second circuit and configured to receive the second refrigerant from the second circuit and provide the second refrigerant to the second circuit. The thermoelectric subsystem includes a thermoelectric subsystem first heat exchanger and a first thermoelectric cell. The thermoelectric subsystem first heat exchanger has a thermoelectric subsystem first heat exchanger passage.

A header for an optoelectronic package, the header includes an electrically conducting eyelet and an electrical feedthrough in an opening extending through the eyelet. The eyelet includes a cavity opening to a first side forming a mounting side for accommodating a thermoelectric cooler with a laser diode mounted thereon, so that in operation the laser diode is cooled by the thermoelectric cooler. The cavity is closed at a second side opposite to the first side so that a bottom of the cavity is formed, wherein the wall thickness measured from the bottom to the second side opposite to the first side is lower or less than the thickness of the eyelet.

The invention is a portable, climate controlled housing for sampling instrumentation having an outer housing and an insulted interior housing for receiving the sampling instrumentation, a sampling hose is connectable from the instrumentation to outside of the housing, a thermoelectric cooler device is provided within the outer housing to cool the interior of the outer housing, one or more exhaust fan are provided to remove air from inside the outer housing, a temperature probe is disposed within the interior insulated housing and a thermostat is operably connected to the exhaust fan, the cooler device and the temperature probe so that when the interior temperature of the insulated housing is detected to be outside a preferred range, the thermoelectric cooler device and the exhaust fan are operated until the interior temperature within the insulated housing is within a preferred range.

A sensor-driven adaptive thermal regulation system for prosthetic sockets is disclosed. The system integrates sensors with active thermoelectric cooling elements to manage heat and moisture accumulation within the prosthetic socket. Thermoelectric modules are positioned in proximity to the user's residual limb and are controlled by a Processing unit via; Logic-based circuitry. A heat transfer material serves as a thermal sink and a prosthetic liner, absorbing heat through state transitions to enhance dissipation. The system supports both manual and autonomous operation. In manual mode, users control cooling via a mobile application featuring biometric authentication, real-time sensor monitoring, and override functionality. In autonomous mode, cooling is triggered automatically when preset environmental thresholds are exceeded. A flexible heat sink further ensures efficient thermal transfer, improving prosthetic fit, comfort, and wearability. The system may be integrated into liners or retrofitted into existing above-knee and below-knee prosthetics.

The application discloses an intelligent battery thermal management system based on thermoelectric coolers, and relates to the technical field of new energy and electronic engineering.The system comprises a TEC optimization layout module, a micro-channel heat dissipation module, a detector preparation module and an NMPC control module.The TEC optimization layout module is responsible for optimizing the position and contact area of the thermoelectric cooler (TEC), analyzing the internal temperature distribution of the battery unit, determining the heat accumulation area, and embedding a heat-conducting metal plate between the battery units by arranging the TEC near the top of the battery, so that the internal heat balance is promoted by using the cooling capacity of the TEC.The micro-channel heat dissipation module is responsible for establishing a micro-channel radiator, and the double goals of compact structure and high-efficiency heat dissipation are achieved by adopting the micro-channel technology, so that the battery is in an ideal temperature zone.The detector preparation module is responsible for the preparation process of a nickel / gallium oxide / silicon carbide metal oxide, a semiconductor field effect detector, and real-time monitoring of the battery temperature.The NMPC control module is responsible for predicting and optimizing the energy consumption in the battery thermal management system by using a nonlinear model predictive control (NMPC) algorithm, and dynamically adjusting the TEC operation strategy according to the current battery working condition and future prediction.