542 results about "Threshold temperature" patented technology

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.

An auto-injector, including a housing and a cartridge disposed within the housing, the cartridge enclosing a medicament. The auto-injector further includes a fluid conduit configured to deliver the medicament from the cartridge to a patient and movable from a retracted configuration to a deployed configuration associated with administering the medicament, and a temperature sensor configured to determine a temperature of the medicament. A controller the temperature sensor is configured to: send a first signal to an external device when the temperature sensor senses that a temperature of the medicament rises above a threshold temperature.

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.

Certain aspects of the present disclosure provide techniques and apparatus for scheduling execution of machine learning model operations on a multiprocessor computing device. The method generally includes during execution of operations in a first portion of a machine learning model on a first processing unit of the computing device, measuring a temperature for each of a plurality of locations on the computing device. It is determined that a temperature measured for the first processing unit exceeds a threshold temperature. Based on one or more operating parameters for the computing device, a second processing unit of the computing device is selected to use in executing operations in a second portion of the machine learning model. Execution of operations in the second portion of the machine learning model on the second processing unit is scheduled.

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.

Methods, systems, and devices for idle mode temperature control for memory systems are described. A memory system may implement the use of one or more dummy access commands to reduce the effects of errors introduced by temperature changes while the memory system is in an idle mode. For example, performing one or more access commands, such as one or more read commands, may increase a temperature of a memory device and support a desired operating temperature for the memory device while the memory system is in the idle mode. The memory system may measure the temperature of the memory device during the idle mode. If the memory system determines that the temperature of the memory device has fallen below a threshold temperature, the memory system may issue a quantity of dummy access commands to the memory device, and the corresponding dummy access operations may result in a temperature increase at the memory device.

A method for cooling a sensor of a vehicle, the method including receiving temperature data corresponding to the sensor from a temperature monitor; and in response to determining that a current temperature of the sensor being greater than a first threshold temperature, initiating a cleaning cycle and directing cleaning fluid to the sensor.

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.

There is provided a method of manufacturing a component of a gas turbine engine, comprising: providing a precursor component having at least one internal cooling passage configured to receive a flow of cooling air therethrough; estimating a predicted temperature profile for the component based on one or more operating parameters of the gas turbine engine, the predicted temperature profile indicating a predicted operating temperature of at least one gas-washed surface of the component; determining a thermal barrier coating (TBC) configuration for the component based on the predicted temperature profile, comprising setting a TBC thickness to be below a threshold thickness in a region of the at least one gas-washed surface of the component based on the predicted operating temperature of the at least one gas-washed surface of the component exceeding a threshold temperature; and applying a TBC to the precursor component according to the TBC configuration.

A vehicle sensor system including a memory; and a processor coupled to the memory, the processor configured to receive, from a temperature monitor, temperature of a sensor of a vehicle, and cause a sensor cleaning subsystem to, in response to the temperature of the sensor being less than a threshold temperature: heat a cleaning fluid, the cleaning fluid configure to clean and heat the sensor, and initiate a cleaning cycle and direct the heated cleaning fluid to the sensor to increase the temperature of the sensor.

This disclosure describes an additive manufacturing method that includes monitoring a temperature of a portion of a build plane during an additive manufacturing operation using a temperature sensor as a heat source passes through the portion of the build plane; detecting a peak temperature associated with one or more passes of the heat source through the portion of the build plane; determining a threshold temperature by reducing the peak temperature by a predetermined amount; identifying a time interval during which the monitored temperature exceeds the threshold temperature; identifying, using the time interval, a change in manufacturing conditions likely to result in a manufacturing defect; and changing a process parameter of the heat source in response to the change in manufacturing conditions.

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.

To provide a thermal printer that is configured so that a high-temperature part thereof can be estimated to prevent the part from overheating, during continuous printing.SOLUTION: A thermal printer, which is configured to control printing speed and control start of printing, by comparing a detected temperature by a thermistor TH provided in a thermal head 100 with a threshold temperature, is provided with: a control part that divides all heating elements in the thermal head 100 into a plurality of groups G1-GX and controls printing by controlling energization for each group; a counting part that counts the number of cumulative energization-dots of each group up to each printing line; and a corrected-temperature calculating part that identifies the group GI whose cumulative energization dots are most, and calculates a corrected temperature corrected on the basis of a distance between the group GI and the thermistor TH.SELECTED DRAWING: Figure 3

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 synchronous motor twin-trawling test system comprises a test board, a tested motor and a twin-trawling motor, the tested motor and the twin-trawling motor are oppositely arranged on the test board and connected through a coupler, the synchronous motor twin-trawling test system further comprises a cooling device and a power adjusting device, the cooling device is connected with the tested motor and the twin-trawling motor, and the power adjusting device is connected with the tested motor and the twin-trawling motor. The cooling device is used for cooling the motor, the power adjusting device is respectively connected with the tested motor and the twin-trawling motor to obtain the working temperature of the motor, and the power adjusting device is also electrically connected with the cooling device to adjust the operation power of the cooling device based on the obtained working temperature; compared with the prior art, the working temperature of the motor is obtained through the power adjusting device, the obtained working temperature is compared with the preset threshold temperature, when the working temperature exceeds the preset threshold temperature, the power adjusting device increases the operation power of the cooling device, and it is ensured that performance testing is conducted on the motor in the normal temperature environment.

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 smart doorbell is provided. The doorbell may be connected to a remote device. The doorbell comprises a processor: a call button configured to output a first signal when the call button is actuated by a user; and a temperature sensor positioned with respect to the call button such that when the call button is actuated by a user, the temperature sensor is capable of taking temperature measurements on a part of the user's wrist facing the temperature sensor. In response to the call button being actuated by a user, the processor is configured to receive the first signal from the call button: command the temperature sensor to measure a temperature of a part of the user's wrist: compare the temperature measured by the temperature sensor to a predefined threshold temperature: output a second signal according to the comparison between the temperature measured by the temperature sensor and the predefined threshold; and transmit the first signal and the second signal to at least one remote device via the network.

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.

A data storage device is adaptively adjusted according to the sensed temperature. The data storage device has a first clock generator and a second clock generator, respectively generating a first clock and a second clock, which are selected by a controller to operate a nonvolatile memory. In response to the sensed temperature not exceeding a first threshold temperature, the controller selects the first clock to operate the non-volatile memory. In response to the sensed temperature exceeding the first threshold temperature, the controller alternately selects the first clock and the second clock to operate the non-volatile memory.

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 invention provides a charging control method and system, electronic equipment and a storage medium. The charging control method comprises the following steps: setting a first threshold temperature according to a first charging gear, and setting a second threshold temperature according to a second charging gear; in response to selection of the charging gear, calling a target threshold temperature corresponding to the selected charging gear; in the charging mode, the charging detection temperature of the direct current conversion module is collected in real time, and whether the charging detection temperature is larger than or equal to the target threshold temperature or not is judged; when it is judged that the charging detection temperature is larger than or equal to the target threshold temperature, the output control module reduces the current charging current until the charging detection temperature is smaller than the target threshold temperature. According to the charging control method, a switching device in the direct current conversion module can be prevented from being burnt out, and the safety and reliability of the charging process are effectively improved.