245 results about "Thermoelectric cooling" patented technology

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 face mask includes a fan configured to blow air configured to dissipate the heat created by the thermoelectric cooling device. The face mask includes a noise attenuation system configured to attenuate the generated noise that is radiated into the environment, and thus, heard by the user due to use of the fan.

Provided is a package structure including a first redistribution layer (RDL) structure, a die, a circuit substrate, and a first thermoelectric cooler. The RDL) structure has a first side and a second side opposite to each other. The die is disposed on the first side of the first RDL structure. The circuit substrate is bonded to the second side of the first RDL structure through a plurality of first conductive connectors. The first thermoelectric cooler is between the first RDL structure and the circuit substrate, wherein the first thermoelectric cooler includes at least a N-type doped region and at least a P-type doped region.

The present disclosure provides an integrated circuit (IC) structure that includes an IC packaging structure having an IC chip; and a thermoelectric self-cooling device (TESCD) integrated with the IC packaging structure. The TESCD further includes a thermoelectric cooling (TEC) device having a plurality of TEC units configured in an array and electrically connected to provide cooling effect to the IC packaging structure, and a liquid cooling module having a cooling liquid driving device and a generator coupled with the cooling liquid driving device to collectively generate an electrical power supplied to the TEC device with self-cooling function to the IC packaging structure.

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 liquid cooling system includes a thermoelectric cooler (TEC) between a radiator plate and a radiator, and a thermoelectric generator (TEG) at a location where the TEG is driven by heat from a chip package. The chip package is cooled by a cold plate of the liquid cooling system and the TEC is controlled by the TEG. The TEG may be between the chip package and the cold plate or elsewhere in or adjacent to the chip package. The TEG may control the TEC through a relay. The TEG automatically activates the TEC when the chip package is under peak load.

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.

A closed-loop climate system including a water tank; cooling pads positioned above the water tank, a thermoelectric unit (TEU) connectable to a power supply, and configured to cool / heat water received from the water tank, a sprinkler tube positioned above the cooling pads and configured to sprinkle the water heated by the TEU onto the cooling pads.

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.

The refrigerator according to the present disclosure comprises: a compressor; a thermoelectric cooling device comprising a thermoelectric element having a heating unit and a cooling unit, a heat dissipation sink contacting the heating unit, a cooling sink contacting the cooling unit, a heat dissipation fan for blowing air toward the heat dissipation sink, and a cooling fan for blowing air toward the cooling sink; and a processor for turning on the heat dissipation fan and the cooling fan on the basis of detecting the thermoelectric element's turn-on condition, and turning off at least one of the cooling fan and the heat dissipation fan, which have been turned on, or adjusting the RPM thereof on the basis of detecting a preset condition to operate the cooling fan or the heat dissipation fan in a state in which the cooling fan or the heat dissipation fan is turned on. The condition to operate the cooling fan or the heat dissipation fan may include at least one of a condition to turn off the thermoelectric element, a condition to turn off the heat dissipation fan, and a condition to turn off the cooling fan.

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.

Thermal control devices and methods to provide improved control, speed and efficiency in temperature cycling are provided herein. Such thermal control device and methods can include one or more active elements, such a thermoelectric cooler device, that is controlled by an algorithm that regulates a temperature distribution of an adjacent reaction-vessel according to a temperature distribution command trajectory and estimated reaction-vessel temperature distribution. Some embodiments include two active elements that are bilaterally applied to opposing sides of the reaction-vessel. In some embodiments, the estimated reaction-vessel temperature is determined based on a state of power electronics of the element and a temperature output of one or more sensors of a portion of the element and / or an ambient environment of the reaction-vessel. Methods of calibration of such systems utilizing a thermal calibrator as a proxy for the reaction-vessel are also provided herein.

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.

Disclosed is a semiconductor light source hair removal device with optimized heat dissipation, comprising a housing (1), a hair removal assembly (2) fixed to the housing (1), a fan (4), a circuit board (5), and a control power board (6). The housing (1) is provided with an accommodating cavity for accommodating the fan (4), the circuit board (5) and the control power board (6). The hair removal assembly (2), the fan (4) and the control power board (6) are electrically connected to the circuit board (5). The housing (1) is provided with at least one heat dissipation port. The hair removal assembly (2) comprises a treatment head (20), a thermoelectric cooler (24), a light source chip (25) and a heat dissipation component (26). The heat dissipation component (26) comprises heat sink fins (261) and at least one heat pipe.

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.

In some embodiments, the device may include a thermoelectric cooler that is embedded or integrally formed in one or more chips arranged in a hybrid bonded device stack.

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.