370 results about "Threshold temperature" patented technology

A network of thermal sensors can be integrated within a semiconductor chip in a manner effective to provide local temperature monitoring and dynamic control of an associated device or system. The thermal sensors can include small area thermal ring oscillators located proximate to the core of a central processing unit (CPU), for example, and can be disposed on the chip at locations based on a designed output power density and attendant thermal gradients encountered during operation. In certain implementations, the presently-disclosed sensor configuration can be used to measure deviation from set threshold temperatures. Closed-loop control can be implemented to mitigate performance loss while adjusting the clock speed of the CPU independent of the system management unit.

The invention provides a temperature early warning system and method for a rod control and rod position system cabinet. The system comprises a sensor, a temperature prediction module, a dynamic threshold module and a judgment module. The temperature prediction module is internally provided with a rod-control rod-position system cabinet temperature prediction model, and is used for obtaining temperature and wind speed data from the sensor, and carrying out the real-time cabinet temperature prediction through the rod-control rod-position system cabinet temperature prediction model. And a POT model is arranged in the dynamic threshold module, and the dynamic threshold module is used for acquiring temperature and wind speed data and generating a real-time threshold by using the POT model. And the judgment module is used for comparing and judging the predicted temperature value and the alarm threshold temperature value and giving an alarm. According to the method and the device, the rod-control rod-position system cabinet temperature prediction model, the POT model algorithm and the cabinet temperature real-time monitoring technology are combined, so that the problem that the accuracy of abnormity judgment performed by manually setting a fixed alarm threshold value and the predicted temperature is very low when the rod-control rod-position system cabinet temperature early warning is performed in the prior art is solved.

Systems and methods are provided for testing and / or validating anti-propagation systems designed to mitigate a thermal runaway condition in lithium-ion batteries. A system comprises a first temperature sensor for detecting a temperature of a trigger battery cell within the battery module and a heater removably couplable to a substantially central portion of the trigger cell and configured to heat the trigger cell to a threshold temperature. The system further comprises a second temperature sensor for detecting a temperature of a test battery cell adjacent to the trigger cell within the battery module. The trigger cell undergoes a thermal runaway condition upon reaching the threshold temperature. The system may further comprise a controller for controlling the rate of heating of the trigger cell. The system ensures that the trigger cell will breach via the pressure release valve or cell vent after reaching the threshold temperature.

The present application discloses a control device for controlling cold starting of a fuel cell system. The fuel cell system comprises a stack, a load and a cooling loop; the stack comprises an electrode plate and a membrane electrode assembly; and the control device comprises: a measurement module, configured to measure an initial temperature T0 of the stack; a calculation module, configured to calculate an internal temperature T of the stack on the basis of the initial temperature T0 and the output current I and the output voltage U outputted from the stack to a load; a determination module, configured to compare the calculated internal temperature T with a threshold temperature Tth; and an adjustment module, configured to, when the internal temperature T is greater than the threshold temperature Tth, increase the flow volume Qcoolant of a coolant in a cooling circuit flowing through the stack. The present application further discloses a fuel cell system comprising the control device, a control method for the fuel cell system and a computer readable storage medium. The present application can realize rapid and safe cold starting of the fuel cell system.

An accelerometer includes a housing, a proof mass assembly encased in the housing, and one or more heating elements configured to heat the proof mass assembly in response to an electrical current. The one or more heating elements include a positive temperature coefficient of resistance (PTC) material. The PTC material exhibits a relatively high increase in resistance above a threshold temperature. For example, a ratio of the resistance of the PTC material above the threshold temperature to the resistance of the PTC material at room temperature (PTC ratio) is greater than five.

The invention relates to the technical field of energy storage, and provides a cooling circulation method and an energy storage system.The method comprises the steps that the temperature of cooling liquid is obtained; under the condition that the temperature of the cooling liquid is smaller than the threshold temperature of the cooling liquid, an external water pump is started to increase the flow speed of the cooling liquid to a preset flow speed range, and the external water pump is installed on a main circuit between the liquid cooling unit and the battery pack; and when the temperature of the cooling liquid is larger than or equal to the threshold temperature of the cooling liquid, the external water pump is closed. According to the method, under the condition that the temperature of the cooling liquid is lower than a threshold value, namely, the viscosity of the cooling liquid is too large, the flow speed of the cooling liquid becomes slow, and the cooling effect is poor, the flow speed of the cooling liquid is increased by opening an external water pump between the liquid cooling unit and the battery pack, the flow speed of the cooling liquid can be kept within the flow speed range needed by cooling, and the cooling effect is kept; the problem that in the prior art, the viscosity of immersion liquid is increased and the flow speed is decreased under the low-temperature working condition, and consequently the cooling effect is reduced is solved.

An example method described herein includes operating a first component of a circuit. The method also includes, while operating the first component, supplying a current to a superconducting wire that is thermally-coupled to the first component, and determining whether the superconducting wire has transitioned between a superconducting state to a non-superconducting state in response to the current. The method further includes measuring a temperature of the first component based on whether the superconducting wire transitioned between the superconducting state to the non-superconducting state in response to the current, and adjusting operation of the first component in accordance with a determination that the temperature exceeds a predetermined threshold temperature.

A nuclear reactor shutdown system includes a shielded path that passes through a reactor core fuel housed in a nuclear reactor vessel in a hermetically sealed manner, one end of the shielded path having an opening and another end of the shielded path being closed; a neutron absorber that is allowed to enter from the opening of the shielded path; an elastic member that is configured to urge the neutron absorber in a direction entering inside from the opening of the shielded path by being released from a compressed state; and a braking part that is disposed so as to maintain the compressed state of the elastic member and is configured to release the elastic member from the compressed state when the braking part reaches or exceeds a threshold temperature.

The invention provides a vehicle control method and related equipment, which can be applied to the field of vehicle processing. The method comprises the following steps: acquiring a currently acquired environment temperature; in response to the situation that the environment temperature exceeds a first temperature interval corresponding to a current first thermal management mode of the vehicle, a temperature hysteresis threshold value is obtained, and a critical temperature value of the first temperature interval is adjusted according to the temperature hysteresis threshold value to obtain a target threshold value; in response to the critical temperature value being the upper limit value of the first temperature interval and the environment temperature being greater than the target threshold value, or the critical temperature value being the lower limit value of the first temperature interval and the environment temperature being less than the target threshold value, determining a second temperature interval in which the environment temperature is located; and a second heat management mode is determined according to the second temperature interval, and a target component corresponding to the second heat management mode is controlled to operate. According to the invention, the frequency of switching the thermal management mode of the vehicle is reduced.

An electronic device cooling system of a vehicle includes a receptacle fluidly coupled to a dedicated climate zone, the receptacle having at least one sensor. The electronic device cooling system also includes an electronic control unit communicatively coupled to an electronic device and the at least one sensor. Upon receiving a signal from the at least one sensor that a temperature of the electronic device exceeds a first threshold temperature, the electronic control unit transmits a notification to the electronic device relating to the temperature and directs cooling air, via the dedicated control zone, to the receptacle.

A thermal management method of a battery wherein the battery comprises at least one cell, and wherein a heating device is configured to heat the battery in response to a heating instruction. The method comprises the following steps: determining the charge state of the battery cell and the battery cell current of the battery cell; a first value of a first parameter of the heating device; a reference cell temperature of the cell; the maximum battery cell temperature and the minimum battery cell temperature of the battery cell are obtained. Under the condition that the maximum battery cell temperature is lower than a first threshold temperature; the minimum cell temperature of the cell is lower than a second threshold temperature; the charge state of the battery cell is higher than a charge state threshold value; the method also includes instructing a heating device to heat the electrical core.

A system for monitoring a switchgear includes an infrared camera; a processing unit; and an output unit. The camera acquires a first infrared image. The processing unit determines a pixel in the first image with a maximum temperature and uses a second number of pixels to determine a temperature interval. The processing unit sorts the pixels in descending order of temperature to determine a threshold temperature and determines that a hot spot exists in the switchgear using the temperature interval for the first infrared image. The output unit is configured to output an indication of a fault in the switchgear when the determination has been made that a hot spot exists in the switchgear.

The present invention relates, in general, to a system and method for sequentially energizing heating elements in an electric catalyst unit for ammonia dissociation on-board a vehicle. The present invention utilizes output temperature readings at various sections within the electric catalyst unit, and sequentially energizes corresponding heating elements only if the output temperature of an upstream section is below a threshold temperature required for ammonia dissociation to occur. By sequentially energizing heating elements as needed, versus fully energizing every heating element, the present invention mitigates the risk of degradation and failure of the vehicle power system and other electrical components in the vehicle.

The invention relates to a linked polyethylene insulated power anti-interference control cable which sequentially comprises a wire core, a filling layer, a shielding layer, an armor layer and a rubber layer from inside to outside and further comprises a machine shell. The first air pressure sensor outputs a detected air pressure rising signal, and the air pressure rising signal is essentially a key indirect temperature abnormity indication signal. As the temperature sensor directly reflects that the temperature of the local armor layer area exceeds the threshold temperature of particle decomposition, an external system sends out an overheat alarm after receiving the signal, and an operator is prompted to troubleshoot a fault point. The thermal decomposition particles filled in the metal tube in the armor layer are utilized to convert the local high temperature of the armor layer / rubber layer junction area which is difficult to directly measure into visible gas generation amount change, and then the visible gas generation amount change is converted into an accurate gas pressure signal through the closed cavity.

A process includes communicating a coolant flow between an inlet and an outlet of a coolant subsystem that is associated with a cooling domain to remove thermal energy from a plurality of processor-based nodes of the cooling domain. The communication of the coolant flow has associated predefined parameters. The process includes regulating a temperature of the coolant flow at the outlet. In accordance with example implementations, the regulation includes determining, based on the predefined parameters, a minimum collective power consumption by the processor-based nodes to maintain a temperature of the coolant flow at the outlet at or above a minimum threshold temperature, and based on the minimum power consumption, scheduling jobs to be executed by the nodes.

The invention discloses a drying control method and a washing and drying all-in-one machine adopting the same. The drying control method is characterized by comprising the following steps: 1, initializing setting; 2, operating at a first air volume m1; 3, the current temperature difference delta t1 of the air inlet and the air outlet is calculated; 4, judging whether delta t1 is smaller than or equal to a threshold temperature difference delta t0, and if so, executing the next step 5; if not, returning to the previous step 3; 5, reducing the air volume and operating at a second air volume m2; 6, the temperature difference delta t2 of the air inlet and the air outlet is calculated; 7, whether delta t2 is smaller than or equal to the threshold temperature difference delta t0 or not is judged, and if yes, the step 9 is executed; if not, executing the next step 8; 8, running at the first air volume m1 for the duration time t, and returning to the step 5; and 9, stopping drying. The method has the advantages that according to the heat exchange conservation principle, clothes drying is represented through the change difference of the in-out drum temperature difference value caused by air volume change and the original air volume in-out drum temperature difference value, accurate drying judgment can be achieved, implementation is easy and convenient, and the manufacturing cost is low.

A system includes one or more memory units and a processor. The processor is configured to receive, from a food temperature probe, a first temperature associated with a first food item. The processor is further configured to receive, from the food temperature probe, a second temperature associated with a second food item. The processor is further configured to receive, from the food temperature probe, a third temperature that was measured by the food temperature probe after measuring the first temperature but before measuring the second temperature, the third temperature associated with a cleaning of the food temperature probe. The processor is further configured to send an alert for display on a user device when the third temperature is greater than the cleaning threshold temperature.

The present disclosure provides a method and device for controlling the cooling of a generator of a wind turbine. The cooling device of the generator is connected to the same frequency converter as the intermittent operation device of the wind turbine. The frequency converter does not control the start of the cooling device and the intermittent operation device at the same time. The method for controlling the cooling of the generator includes: when it is determined, according to the operation data of the wind turbine, that the start condition of the intermittent operation device is satisfied, calculating the predicted temperature of the generator after the required duration for controlling the start of the intermittent operation device by using the frequency converter to perform a predetermined related action; when the predicted temperature is less than or equal to a predetermined threshold temperature, using the frequency converter to control the start of the intermittent operation device to perform a predetermined related action; after the intermittent operation device performs a predetermined related action, using the frequency converter to control the start of the cooling device to cool the generator.

Systems and apparatus for blocking access to high temperature components include a computer component, and a shape memory alloy (SMA) interlock thermally coupled to the computer component, wherein the SMA interlock is configured to prevent access to the computer component when a temperature of the computer component exceeds a threshold temperature.

A memory system may store temperature exception tracking in a temperature log, which may be separate from data to which the temperature information corresponds. A memory device may store data in a relatively higher-level cell and the corresponding temperature information in a relatively lower-level cell. To perform a write operation, the memory system may determine a current temperature at which the data is being written or was written to a partition of a memory device and may indicate in the temperature log if the current temperature is entering a temperature range that is outside a threshold temperature (e.g., a nominal temperature). To perform a read operation, the memory system may determine if the data to read was written to the memory device outside the threshold temperature to determine whether to perform temperature compensation for the read operation.

An example memory sub-system includes a memory device and a processing device, operatively coupled to the memory device. The processing device is configured to initialize a block family associated with a memory device; initialize a timeout associated with the block family; initializing a low temperature and a high temperature using a reference temperature at the memory device; responsive to programming a block residing on the memory device, associate the block with the block family; and responsive to at least one of: detecting expiration of the timeout or determining that a difference between the high temperature and the low temperature is greater than or equal to a specified threshold temperature value, close the block family.

An eyewear assembly includes a frame housing wearable by a user. The frame housing defines a first lens position and a second lens position. A first display corresponds to the first lens position and a second display corresponds to the second lens position. A fan assembly is configured to circulate air from an air input vent through an air output vent. A plurality of temperature sensors are located at different locations within the frame housing, each of the plurality of temperature sensors have a first threshold temperature and at least two of the first threshold temperatures are different. A CPU is configured to activate the fan assembly with a first activation signal upon one of the plurality of temperature sensors reaching the first threshold temperature.

An inhalation device (100) which is an example of a power supply unit for an aerosol-generating device comprises a power source unit (111), and a control unit (116). The power source unit (111) is configured to be capable of supplying power to a heating unit for heating an aerosol source and to be chargeable by means of power received from an external power source (PS). The control unit (116) acquires a temperature of the power source unit (111) and is configured to be capable of controlling charging of the power source unit (111) based on the temperature of the power source unit (111). The control unit (116) then varies a current value of a charging current for charging the power source unit (111) within a predetermined range in accordance with the temperature of the power source unit (111) when the temperature of the power source unit (111) is included in a first temperature zone, which is a temperature zone below a threshold temperature, and meanwhile makes the current value of the charging current even smaller than a lower limit value of the range when the temperature of the power source unit (111) is included in a second temperature zone, which is a temperature zone at or above the threshold temperature.

Single use and replaceable self-powered aircraft compartment thermal indicators that deliver a localized visually detectable signal that can be perceived by personnel at the exterior of an aircraft component and that can be activated on demand to signal the presence of a temperature within an aircraft compartment that exceeds a threshold temperature and that can be tested in situ, and methods of use are disclosed.

A valve assembly for a thermal management system of a vehicle may include an interface component having an elongated body that can removably couple with a connector of the thermal management system. For example, the interface component may be repeatedly coupled and decoupled from the connector without destroying or damaging the interface component or the connector. The interface component has an engagement body with a temperature-sensitive body that can automatically release the elongated body from the connector responsive to a temperature to which the temperature-sensitive body is exposed decreasing below a threshold temperature. The interface component has one or more drain holes that can direct a fluid that has entered the interface component to locations outside the valve assembly to prevent the fluid from freezing and prevent the elongated body from releasing from the connector of the thermal management system.

A method for running a telematics service via a Telematic Control Unit (TCU) of a vehicle is disclosed. The method includes measuring one or more temperatures at the TCU, Comparing the measured temperatures with one or more thresholds, and determining whether or not to run the telematics service depending on a result of the comparison between the measured and threshold temperatures as well as a delay-sensitivity of the telematics service.

To provide a display device capable of preventing occurrence of blur of an image caused by low temperature while maintaining image quality, and to provide a control method of the display device.SOLUTION: The display device 100 includes a control circuit 4 and a temperature sensor 6. The control circuit 4 causes the gate drive circuit 2 to transmit the gate signal to the plurality of gate lines 11 in a non-lighting period that is a period other than the lighting period in one cycle of the vertical synchronization signal. When the detected temperature Ad is lower than the first temperature Ath1, the control circuit 4 sets the set number, which is the number of gate lines 11 to which the gate signal is supplied from the gate driving circuit 2 in one cycle of the horizontal synchronization signal, to a first number larger than one.SELECTED DRAWING: Figure 1

This invention provides a consistent and reproducible thawing method and system for frozen samples in bag-type storage containers. [Solution] The method and system may allow multiple sizes of bag-type storage containers to be used with the same apparatus. A subset of multiple sensors may be qualified for the thawing method. The method may further include heating the frozen sample using a first heater bank and a second heater bank. Furthermore, the method may include measuring multiple second temperatures of the bag-type container. At a second threshold temperature, or shortly after the second threshold temperature, the method may include heating using the first heater bank and terminating heating using the second heater bank. The method may also include terminating heating of the partially thawed sample using the first heater bank after the partially thawed sample has been heated for a certain period of time using the first heater bank.

The present disclosure provides a semiconductor device that includes a housing having an internal space, at least one semiconductor chip arranged inside the housing, and a separator arranged inside the housing and configured to separate the internal space of the housing into a first chamber and a second chamber. The at least one semiconductor chip is arranged within the first chamber. The separator includes a deformable portion that is configured to deform when a pressure difference between the first and second chambers exceeds a threshold differential pressure or when a temperature at the deformable portion exceeds a threshold temperature, so as to transform the first chamber from a hermetically sealed chamber to an open chamber in fluid communication with the second chamber.

The disclosed technology is directed to a computing device for detecting and preventing melting of a component of the computing device. In some examples, the computing device includes a cable that connects a power supply unit and an add-on card, and a thermal protection controller. Based on a sensor signal from a temperature sensor of the cable, the thermal protection controller determines that a temperature associated with the cable exceeds a threshold temperature. Responsive to determining that the temperature associated with the cable exceeds the threshold temperature, the thermal protection controller causes the power supply unit to cease supplying power to the add-on card by transmitting an overtemperature signal through the cable.