30 results about "Thermal perception" patented technology

A sensory substitution device according to an embodiment of the invention includes a thermal imaging array for sensing thermal characteristics of an external scene. The device includes a visual prosthesis adapted to receive input based on the scene sensed by the thermal imaging array and to convey information based on the scene to a user of the sensing device. The visual prosthesis is adapted to simultaneously convey to the user different visual information corresponding to portions of the scene having different thermal characteristics. One type of thermal imaging array includes a microbolometer imaging array, and one type of visual prosthesis includes a retinal implant. According to additional embodiments, an apparatus for obtaining thermal data includes a thermal detector adapted to sense thermal characteristics of an environment using a plurality of pixels. The apparatus also includes a pixel translator, operably coupled with the thermal detector, adapted to translate pixel data of the thermal detector to a lower resolution. The apparatus also includes an interface, operably coupled with the pixel translator, adapted to communicate the thermal characteristics of the environment to a user of the apparatus at a lower resolution than sensed by the thermal detector.

The embodiment of the invention discloses a realization method of video monitoring and monitoring equipment. According to the method, thermal inductance voltage monitoring based on PIR (Pyroelectric Infrared Sensor) and a motion detection function based on video capturing are combined; when any one detection result has abnormal information, alert verification is carried out through the other detection result; only if the verification passes, alert operation is triggered, so that the sensitivity and the accuracy of monitoring and alerting are improved by utilizing respective advantages of motion detection and the thermal inductance voltage monitoring; defects in the prior art that PIR detection and the motion detection are independently used are avoided and the video monitoring is improved; and particularly, an early warning effect of the video monitoring in application scenarios with poor light is improved, and the false alarm rate and the missed alarm rate in a monitoring range are reduced.

A method for estimating thermal sensation calculates, on the basis of a thermal image, a first temperature, which is a surface temperature of a first area, and a second temperature, which is a surface temperature of a second area, calculates a first amount of heat lost on the basis of the first temperature and first information, calculating a second amount of heat lost on the basis of the second temperature and second information, obtains an area ratio of the first area to the second area, calculates a total amount of heat lost, which is an amount of heat lost from a whole body of a person in a unit area, on the basis of the first amount of heat lost, the second amount of heat lost, and the area ratio, and estimates thermal sensation, which indicates a degree of warmth or coldness of the person, on the basis of the total amount of heat lost.

The present disclosure provides high temperature thermal cutoff devices having a high-temperature thermal pellet with a transition temperature of greater than or equal to about 240 DEG C and comprising at least one organic compound. The pellet is disposed in a housing, which is sealed with a high-temperature seal that provides substantial sealing up to at least the transition temperature. The high-temperature TCO also has a current interruption assembly, which establishes electrical continuity in a first operating condition corresponding to an operating temperature of less than said transitiontemperature and discontinues electrical continuity when the operating temperature exceeds the transition temperature. Methods of making such high-temperature thermal cut off devices are also provided.

Thermal-aware source code compilation including: receiving, by a compiler, an identification of a target computing system, the identification of the target computing system specifying temperature sensors that measure temperature of a memory module; compiling the source code into an executable application including inserting in the executable application computer program instructions for thermal-aware execution, the computer program instructions, when executed on the target computing system, carry out the steps of: retrieving temperature measurements of one or more of the target computing system's temperature sensors; determining, in real-time in dependence upon the temperature measurements, whether a memory module is overheated; if a memory module is overheated, entering a thermal-aware execution state including, for each memory allocation in the executable application, allocating memory on a different memory module than the overheated memory module; and upon the temperature sensors indicating the memory module is no longer overheated, exiting the thermal-aware execution state.

The invention provides a highway tunnel vehicle spontaneous combustion early warning system and method based on thermal imaging. The system comprises a monitoring center, a control unit, a monitoring unit and a display unit, wherein the monitoring unit is used for monitoring information of vehicles entering a highway tunnel; and the display unit is used for prompting information for drivers. The temperatures of the vehicles which are about to enter the tunnel are detected, when the temperature data exceed the threshold value, warning information is transmitted to the monitoring center automatically, and meanwhile, license plate numbers and warning information of the vehicles are transmitted to the display unit for prompting the drivers. By the highway tunnel vehicle spontaneous combustion early warning system and method based on thermal imaging, the vehicles which can spontaneously combust potentially can be warned before entering the tunnel, and then can be treated ahead of time, hidden dangers causing spontaneous combustion of the vehicles are eliminated, the circumstances that the vehicles spontaneously combust after entering the tunnel are reduced, and life and property safety of people is guaranteed.

The invention relates to a temperature superconducting intelligent memory functional fabric which comprises thermosensitive intelligent memory functional fibers and superstrong moisture absorbing fibers. In the thermosensitive intelligent memory functional fibers, thermosensitive nano synthetic fibers of an inner core layer are coated with thermosensitive environmentally friendly resin of an outer surface layer; in the preparation process, the material preparation carries out at a preset temperature constantly, and materials are compounded and synthesized for modifying at a preset temperature; with the change of the temperature, the structure and the property of the material have recoverability; and the structure can automatically carry out self regulation along a curve. The fabric is spun by the thermosensitive intelligent memory functional fibers and the superstrong moisture absorbing fibers, on one hand, the fabric can be used for thermosensitively conducting for keeping warm, and on the other hand, the fabric is also a moisture absorbing and conducting double-faced intelligent temperature regulation memory functional fabric. Bedclothes and close-fitting clothes which are made of the fabric can have friction with the human body to generate relative thermosensitive conducting radiation far infrared anion biowaves, and after the human body absorbs the biowaves and generates resonance, the fabric can achieve the effects of blood microcirculation promotion, warm body feeling, flexibility, comfortableness and more obvious heat insulating and warm keeping functions at lower temperature.

The invention discloses a reflective phase regulation regulated metasurface unit with programmable thermal perception. The reflective phase regulation regulated metasurface unit comprises a surface metal structure layer, a middle dielectric plate layer and a bottom metal ground which are arranged in sequence; the surface metal structure layer comprises a first polygonal metal patch, a second polygonal metal patch, a first metal wire and a second metal wire; and the first metal wire is connected with a frame of the first polygonal metal patch in parallel, the second metal wire is connected witha frame of the second polygonal metal patch in parallel, and the first polygonal metal patch and the second polygonal metal patch are symmetrically arranged up and down and are connected through a PIN diode. By controlling the voltage drop at the two ends of the PIN diode in the basic unit, the working state of the PIN diode is changed, and then the reflection phase is regulated and controlled. And the thermistor and the basic unit are integrated through the voltage control circuit, so that the distribution of a heat source detected by the thermistor is fed back by the on-off state of the diode, the reflection phase can be controlled, and the reflective phase regulation regulated basic unit with the programmable thermal perception is realized.

The invention discloses a thermally induced voltage material and application thereof, belonging to the technical field of transverse thermoelectric materials and devices. A (Ca/Sr) 3Co4O9 or (Ca/Na) xCoO2 (x=0. 52-0.8) thin film is selected as thermally induced voltage material in the present invention. As the thermal field or the thermal fluid induce voltage material of the invention has high signal response rate and does not need to establish heat balance, the response time is fast, and the signal repeatability and the linear relationship are good; the temperature gradient of the thermally induced voltage thin film is converted into a larger thermoelectric voltage signal by directly using heat source or thermal field heating, which has no time term, strong anti-interference ability, no power supply driving, no refrigeration and amplification, and can be used to fabricate some sensitive and fast thermally induced voltage detection devices. The temperature and thermoelectric potentialare perpendicular to each other, and can modulate dimension and direction independently. It is easy to fabricate arrays to detect transient thermal field or heat flux. Compared with the current devices, the material has great breakthrough and advantages, and can be used in the industrial and military fields of pulse or continuous thermal signal detection, transient thermal field and thermal fluiddetection.

The invention discloses a many-core system processor resource scheduling method based on thermal perception dynamic task migration. The method comprises the following steps of 1, detecting whether a waiting sequence is empty or not; If not, mapping the application, and then carrying out the step 2; 2, detecting whether the arrival queue is empty or not; If not, executing the step 3; Step 3, detecting whether no application runs in the system, if not, respectively estimating the running and waiting time of the bubble by using the model, and searching an optimal bubble distribution result through a branch boundary algorithm; 4, searching an optimal bubble distribution result through a branch boundary algorithm; Step 5, an application mapping stage; and step 6, an application running stage. According to the method, the black silicon phenomenon is utilized, application arrival queues with different lengths are adapted according to the application arrival rate and the calculation sensitivity or communication sensitivity characteristic of the application, the task running frequency is kept, the variable application arrival rate can be responded, the throughput rate of the system is effectively increased, and the system performance is improved.

The invention discloses an adaptive personalized thermal comfort prediction device and method based on human body similarity, and relates to the field of human body thermal comfort detection. The device comprises a data acquisition unit, a data adaptive adjustment unit, a personalized thermal comfort prediction model construction unit and an environment control unit. The method comprises the stepsof collecting a large amount of user data to form a data set; calculating thermal perception similarity between a target user and other users in the data set; re-sampling the basic data set accordingto the thermal perception similarity to form a new data set; establishing a personalized thermal comfort prediction model according to the new data set; colleting related data of the target user in real time, calculating thermal comfort data according to the model, and generating an air conditioner control signal; and sending the air conditioner control signal to regulate and control the air conditioner. According to the method, the preference of the target user to a thermal environment can be effectively captured, so that the established thermal comfort model has personalized characteristics, the prediction accuracy is improved, and the method has practical value.

A heat sensing system and method for dynamic heat sensing may be implemented in a flight vehicle having a main antenna configured for sending and/or receipt of signals. The system includes an auxiliary antenna system that is arranged within a radome of the flight vehicle for detecting temperatures around the exterior surface of the radome. The auxiliary antenna is configured for receiving and measuring infrared or optical energy. Using the measured energy, the system is configured to determine whether the detected temperature exceeds a predetermined temperature and rotating the vehicle to equalize heat around the vehicle when the current temperature exceeds the predetermined temperature.

A fire heat sensor comprising a high-temperature detecting portion provided with a temperature detecting element which exhibits a fast heat response to a rise in ambient temperature, and a low-temperature detecting portion provided with a temperature detecting element which exhibits a slow heat response to a rise in ambient temperature. The fire heat sensor further comprises a resin member by which the high-temperature detecting portion and the low-temperature detecting portion are integrally formed so that heat energy is transferred from the temperature detecting element of the high-temperature detecting portion to the temperature detecting element of the low-temperature detecting portion. In the fire heat sensor, differential heat sensing is performed based on temperatures detected by the low-temperature detecting portion and the high-temperature detecting portion.

A heat detector for a main board at least comprises a current generation unit, a heat perception element, and an analog to digital converter (ADC). The current generation unit generates at least one current signal. The heat perception element electrically connects to the current generation unit and generates an analog signal according to the current signal. The ADC electrically connects to the current generation unit and the heat perception element. The ADC is for converting the analog signal into a digital signal.

The invention discloses a water quality sampler for thermal inductance scale prevention. The structure of the water quality sampler comprises a detection box body, an electric connection hole, an exhaust fan, a handle, an electric board, a control panel and a peristaltic pump. An electric power mechanism is rotated with an internal part of the peristaltic pump to generate electric power accordingto the magnetism-to-electricity principle so as to achieve the movement of a scale prevention structure when the operation of the peristaltic pump, effectively achieve automatic micro-heat processingof the water flow of the peristaltic pump and avoid the condition that a layer of dirt difficult to clean is formed at the inner wall of the silica gel channel because the water contains calcium ionsand magnesium ions to generate sediments to influence usage at the next time. The sediments are subjected to micro-heat to decompose the sediments into water and oxides, through adoption of the mutualcooperation of the soft iron and the expansion joints, and the silica gel channel avoids easy damaging under the long-term peristalsis extrusion of the peristaltic pump to cause the water flow flowninto the peristaltic pump to influence the water quality detection.

The invention provides a thermal tactile representation device of a virtual experiment platform. The system comprises a heating module, a positioning module and a control module. The positioning module comprises a guide rail device, a first ball screw and a second ball screw. The guide rail device comprises a first guide rail, a second guide rail and a third guide rail. The first guide rail is provided with a first stepping motor used for driving the first ball screw to rotate, and the third guide rail is provided with a second stepping motor used for driving the second ball screw to rotate. The heating module comprises a PTC heating body, a cooling fan and a movable sliding block which are sequentially arranged from top to bottom, and a second ball screw penetrates through the movable sliding block. The control module can control the first stepping motor and the second stepping motor to enable the heating module to move on the XY plane, and meanwhile control the PTC heating body and the cooling fan to work. According to the invention, the PTC heating body emits hot air to reproduce the stimulation of heat generated by a heat emitting object in an experiment on the skin of a humanbody under a real condition, and the effect of reproducing thermal tactile sensation is achieved through non-contact thermal perception.

The invention relates to a heat regulation device for a D-type audio amplifier, which comprises a heat sensing circuit and an automatic gain control circuit. The heat regulation device is characterized in that the heat sensing circuit monitors the working temperature of the D-type audio amplifier and triggers a overtemperature signal when the working temperature is higher than a default, and the automatic gain control circuit reduces the gain of the D-type audio amplifier according to the overtemperature signal . The heat regulation device and method for a D-type audio amplifier have the advantages of avoiding the overhigh working temperature of the D-type audio amplifier and reducing the uncomfortableness of listeners when music is played.

The invention provides a control method of an air conditioner. The control method comprises the following steps: a detection step: detecting real-time air-out pressure P and/or real-time air-out temperature T in an air duct; a judgment step: judging and comparing the real-time air-out pressure P and a preset pressure value P0, and/or judging and comparing the real-time air-out temperature T and apreset temperature value T0; a control step: controlling and adjusting the operation frequency of a draught fan at an air outlet according to the real-time air-out pressure P and the preset pressure value P0, and/or controlling and adjusting the operation frequency of a compressor according to the real-time air-out temperature T and the preset temperature value T0. According to the control method,a single air duct can be controlled and adjusted targetedly according to the air out condition of the single air duct, and the stability of the air-out quantity and the stability of the air-out temperature can be effectively ensured, so that a user or a passenger is more comfortable in sense of coldness or heat of output air, and the comfortability is improved.

Method and apparatus for assuring use of a fluorescent or similar high efficiency lamp in a screw base socket, the invention provides a circuit containing a screw base socket and an associated thermal sensing unit capable of interrupting power to the circuit on sensing of heat such as is generated by an incandescent or similar low efficiency lamp when mounted in the screw base socket. Practice of the method permits use of only fluorescent or similar lamping such as is incapable of sufficient heat generation to interrupt power to the circuit, the methodology of the invention preventing use of incandescent or similar energy inefficient lamping. The method and apparatus are particularly useful in the lamping of recessed downlighting fixtures.

This invention relates to a project device and illumination device and its temperature detecting method, wherein its method comprises the following steps: first, providing an illumination device with one invisible light filter pad to reflect the first light beam back to the illumination device generated by the illumination beam; then, setting at most two heat sensing detecting elements in the illumination device, wherein each element is set outside the first beam moving route; final, using each heat sensing detecting element to measure the temperature in the illumination device.