161 results about "Heat detection" patented technology

The invention discloses a power equipment segmentation and abnormal heating detection method and device based on heterogeneous image feature fusion. Comprising the following steps: acquiring two registration images of power equipment in different modes; feature extraction is carried out, low-level features and high-level features of the two images are extracted in multiple levels, and the features of different modal images under the corresponding levels are fused; generating a high-level semantic segmentation feature map by iteratively decoding and aggregating the three high-level fusion feature maps, and obtaining a corresponding semantic segmentation result image and an edge detection result image; a multi-level feature fusion and attention enhancement module is introduced, and the understanding and analysis ability of the image is optimized; and a binary cross entropy loss function is adopted to supervise a semantic segmentation result and a semantic segmentation truth value of the two processed images, and fine features of an abnormal heating area are captured. The method can greatly improve the precision and reliability of power equipment segmentation and abnormal heating detection, reduces the false detection rate, and has high practicability and wide application prospects.

The invention provides a motor control method, which comprises the following steps: acquiring operation parameters of a motor, the operation parameters comprising current I, resistance R and rotating speed n; acquiring the temperature rise rate of the motor according to the operation parameters; obtaining a motor temperature change curve T (t) according to the temperature rise rate; and comparing the current operating temperature of the motor with the motor temperature change curve T (t) so as to control the motor to send out an early warning signal or control the motor to operate normally. The problem that motor aging is accelerated due to lagging of motor heat detection in the prior art is solved.

An optical device may include an infrared detection unit that detects heat generated at a weldment during welding, a visible light detection unit that detects plasma generated at the weldment and a spectroscopic unit that detects wavelength-specific luminosity at the weldment, wherein the optical device determines an occurrence of welding defects at the weldment based on the detected heat, the detected plasma, and / or the detected wavelength-specific luminosity of the weldment.

The invention discloses an intelligent heat dissipation method and system for case heat dissipation, and belongs to the technical field of server case heat dissipation, and the intelligent heat dissipation method comprises the following steps: S1, arranging a heat detection unit and a diversion unit in a case; s2, acquiring real-time temperature information in the case, comparing the real-time temperature information with a temperature threshold value to judge whether a hot spot appears or not, and if the hot spot appears, turning to step S3; s3, confirming a hot spot coordinate, reconstructing a cold air conveying path, and calculating to obtain deflection angle information of the flow guide unit; and S4, the flow guide unit conducts corresponding deflection, cold air conveying path reconstruction is completed, and meanwhile the system capable of achieving the method is provided. According to the intelligent heat dissipation method and system for heat dissipation of the case, the cold air conveying path in the case is reconstructed, so that targeted efficient heat dissipation is carried out on the hot spot position in the case, energy consumption waste is avoided, and the heat dissipation efficiency is improved.

The invention relates to a traffic carbon emission detection method and system and an intelligent terminal, and relates to the technical field of carbon emission, and the method comprises the steps: obtaining the total amount of carbon emission, heat detection information and image detection information; according to the consistency between the image detection information and the reference image information, determining to complete adjustment or determine an adjustment angle; calculating an angle vector deviation value according to the adjustment angle and the reference angle; controlling a preset image detection device to perform rotation adjustment according to the angle vector deviation value, and obtaining heat detection information and image detection information again; determining a heat distribution position according to the image detection information and the heat detection information; determining an estimated emission amount at the heat distribution position according to the image detection information and the characteristics of the carbon emission device; the difference between the total carbon emission amount and the estimated emission amount is calculated and serves as the automobile carbon emission amount; and uploading the carbon emission of the automobile to a carbon emission detection platform and outputting prompt information. The method has the effect of improving the accuracy of detecting the carbon emission of the automobile.

The invention relates to the field of nano science and nano technology, in particular to a low-power particle capture and local thermal detection method and device based on tip-enhanced Raman optical tweezers, under laser irradiation, directional optical force is generated through an enhanced electric field between a nano tip and metal particles, and capture of the metal particles is achieved; raman scattering on the surface of the needle tip can be excited through focused laser, and the local temperature of the needle tip can be obtained by analyzing the change of a Raman characteristic peak. According to the method, directional optical force is generated through an enhanced electric field between the needle tip and the metal particles to capture the metal particles, the problem that the metal particles cannot be captured by single-beam 532 nm laser is solved, the power density of captured particles is reduced, and the adverse effect of the heat effect on capture is reduced. The method also can amplify the Raman signal of the needle tip to realize Raman detection of a local position, realizes temperature monitoring at the capture position, and lays a foundation for exploring the influence of the thermal effect on the capture process.

The invention discloses a cold and hot impact test box for automobile part detection, which comprises a cold and hot impact box body, the inner side of the cold and hot impact box body is provided with a part hanging basket for placing a detection part, and one side of the inner wall of the cold and hot impact box body is also provided with a current conversion assembly for gas exchange. Comprising a cold and heat exchange box fixed to the inner wall of a cold and heat impact box body, and an airflow channel for airflow to pass through is formed in the inner side of the cold and heat exchange box; through the arrangement of the structure with the cold and heat exchange box, when the test box is used for cold and heat detection, after the device is used for carrying out a cold and heat impact test, in order to quickly cool the temperature in the box body to normal temperature, air flow in the cold and heat cavity can be exchanged through the arrangement of the cold and heat exchange box structure; through interaction and mixing of cold air flow and hot air flow, the temperature can be quickly increased to a normal temperature state, a workpiece subjected to impact detection can be taken out more quickly, and the practicability and functionality of the device are improved.

The invention discloses a cold and hot data separation system based on multiple bloom filters. Comprising a multi-bloom filter module, a multi-stage physical block storage module and a garbage collection control module, the multi-bloom filter module is used for performing heat detection on a logic page number in a write-in request and dividing a logic page into a hot page and a cold page according to a heat detection result; the multi-stage physical block storage module is used for writing a cold page into a secondary temperature block and writing a hot page into a hot block according to a judgment result, and setting a heating mechanism of the blocks to dynamically adjust data positions, so that the cold block is promoted to the secondary temperature block, the hot block and the hot block stage by stage according to the heating mechanism; the garbage recycling control module is used for executing corresponding garbage recycling operation in various blocks, effective pages of hot blocks are migrated into warm blocks after garbage recycling is completed, and data of other blocks are migrated into cold blocks after garbage recycling is completed. According to the system, more accurate cold and hot data can be effectively separated, so that the overhead of data migration caused by mixed writing is reduced.

The invention discloses a top-bottom combined blowing converter smelting monitoring method, system and equipment and a medium, mainly relates to the technical field of converter smelting, and is used for solving the problems that manual errors exist, the labor intensity is high, and the control opportunities of converter bottom blowing operation, oxygen lance control, feeding and the like are not accurate enough in an existing production mode of manual control. Comprising the following steps: acquiring furnace historical data in a historical time period; based on a preset secondary branch number, dividing the heat historical data in the historical time period into a preset secondary branch number of secondary sets; taking the secondary sets as training data, and training a preset artificial intelligence algorithm to obtain trained models corresponding to the secondary sets; based on a preset acquisition time point, acquiring current heat detection data; determining a second set corresponding to the current heat detection data; and inputting the current heat detection data into the trained model corresponding to the second set, so as to obtain the current converter bottom blowing operation information, the oxygen lance control position and the charging condition.

The present invention relates to a flexible PP vehicle film stretching and forming equipment applied to the field of film stretching technology. In the process of stretching the vehicle film, marking can be performed twice before preheating and after stretching. When the material is discharged after stretching, the marks of the two markings can be compared with the reference mark. When the three are parallel, it means that the stretching is uniform, and when the three are not parallel, it means that the stretching uniformity is poor. Compared with the prior art, the stretching uniformity detection can be performed while the vehicle film is stretched, so that the uneven stretching can be discovered in time, so that adjustments can be made in time, material loss can be greatly reduced, and the quality of the vehicle film after stretching can be effectively guaranteed. In addition, with the setting of a heat detection unit, the uniformity of heat distribution on the surface of the preheating roller can be monitored to a certain extent, so as to further ensure the uniformity of the vehicle film stretching. When poor uniformity is detected, it is convenient for staff to reduce the scope of equipment abnormality, facilitate adjustments, and reduce the impact on the stretching efficiency of the vehicle film.

This breaker (100) is provided with: a first terminal piece (1) that is connected to an external circuit; a second terminal piece (2) that has a fixed contact (21); a movable piece (4) that has an elastic part (43) and a movable contact (41), is connected to the first terminal piece (1), and presses the movable contact (41) to bring the movable contact (41) into contact with the fixed contact (21); a thermally-actuated element (5) that is in contact with the movable piece (4) and deforms as the temperature changes, thereby causing the movable piece (4) to transition from a conductive state to a cut-off state; and a resin base (7) for accommodating the first terminal piece (1), the second terminal piece (2), the movable piece (4), and the thermally-actuated element (5). The breaker (100) further includes a heat detection terminal (6) that protrudes from the bottom surface of the resin base (7), receives heat from the outside of the resin base (7), and transmits the heat to the thermally-actuated element (5).

To provide a sensor capable of detecting either one of smoke and heat and performing audible notification, and a disaster prevention system.SOLUTION: A sensor 1 comprises a housing 2, a smoke detection part 13, a heat detection part 14, and sound output part 15. The housing 2 is disposed on an installation surface of a structure. The smoke detection part 13 is disposed in the housing 2. The heat detection part 14 is disposed in the housing 2. The sound output part 15 is disposed in the housing 2.SELECTED DRAWING: Figure 3

The utility model discloses a heat exchange amount detection device for a direct cooling and direct heating system of a battery pack. The heat exchange amount detection device comprises a cold plate, a liquid cooling unit and the direct cooling and direct heating system, the cold plate comprises a cold plate water system and a cold plate direct cooling system which are attached to each other. The refrigerant output end of the cold plate direct cooling system is connected with the input end of the direct cooling and direct heating system through a pipeline, and the output end of the direct cooling and direct heating system is connected with the refrigerant input end of the cold plate direct cooling system through a pipeline. The water outlet end of the cold plate water system is connected with the input end of the liquid cooling unit through a pipeline, and the output end of the liquid cooling unit is connected with the water inlet end of the cold plate water system through a pipeline; the water inlet end and the water outlet end of the cold plate water system are connected with temperature probes, and a pipeline between the water outlet end of the cold plate water system and the liquid cooling unit is connected with a flow meter. Through the arrangement, the function of detecting the heat exchange amount of the direct cooling and direct heating system of the battery pack can be realized.

A photothermal converter using a wavelength selective perfect absorber made of a low-loss metal material or dielectric and a heat detection sensor are combined to develop a sensor that efficiently converts light of a specific wavelength into heat and further electrically detects the heat. Here, since the wavelength selective perfect absorber of the present invention has a periodic structure, it has high directivity, and can also be used as a small motion sensor or a watching sensor using detection of thermal radiation. In addition, it can also be used as a high-precision small position sensor by being combined with a laser light source matching the resonance wavelength of the sensor.

The utility model discloses a coal calorific value detection system, which relates to the calorific value detection field, and comprises a heat detection device and an upper computer, the heat detection device is in signal connection with the upper computer, the heat detection device comprises a filter cartridge, and electric push rods are respectively fixed on two sides in the filter cartridge. A combustion cylinder is clamped between the two electric push rods, the bottom end of the combustion cylinder is communicated with a bottom cylinder, one side of the bottom cylinder is communicated with a connecting pipe, a plurality of discharge holes are formed in the connecting pipe, after coal combustion is completed, a draught fan and an electromagnetic valve can be started, and wind power generated by the draught fan can blow out dust and gas generated by combustion in the combustion cylinder; and finally, dust and gas are discharged into a water source through a discharge hole, the dust and the water source are in contact and mixed, the dust raising phenomenon is avoided, air pollution is reduced, and meanwhile wind power enters, so that discharge of the dust in the combustion cylinder can be accelerated.

A fire detection apparatus 1A includes a heat detection unit 110A provided such that a part of the heat detection unit 110A is accommodated in an outer cover 20A and another part of the heat detection unit 110A is exposed to an outside of the fire detection apparatus 1A through an insertion hole 120A formed in a top surface portion 22A, and a guard portion 130A which is provided to cover a periphery of the insertion hole 120A and another part of the heat detection unit 110A in the top surface portion 22A and has a plurality of ribs, in which a material of a rib corresponding to a first guard side rib 131A among the plurality of ribs is made different from a material of some other ribs, or a shape of the first guard side rib 131A among the plurality of ribs is made different from a shape of some other ribs.

The utility model discloses a housing building curtain wall performance detection device, and relates to the technical field of curtain wall detection, the housing building curtain wall performance detection device comprises a water storage tank, the upper surface of one end of the water storage tank is fixedly communicated with a storage tank, and the storage tank is internally provided with a clamping device used for fixing a curtain wall plate. A spraying device for spraying water to the curtain wall plate is arranged on the upper surface of the other end of the water storage tank, a protection assembly is fixedly installed at the output end of the spraying device and slidably connected with the water storage tank, and a heating assembly for heating water is fixedly installed on the inner wall of the side face of the water storage tank. According to the house building curtain wall performance detection device, the electric heating plate is fixedly installed on the inner wall of the water storage tank, and water is heated through the electric heating plate, so that when water tightness detection is carried out on a curtain wall plate, heat contained in water can be conducted to the curtain wall plate to heat the curtain wall plate, and then heat detection can be carried out on the back face of the curtain wall plate; therefore, the heat insulation performance is judged.

The utility model discloses a heating and humidifying device applied to a breathing off-line patient in the technical field of medical equipment, which comprises an atomizer main machine, an atomizing air outlet, an air inlet pipe and a liquid supplementing assembly are respectively arranged on the atomizer main machine, the air inlet pipe is used for connecting an oxygen catheter, the atomizing air outlet is in butt joint with a heating detection assembly, and the liquid supplementing assembly is in butt joint with the liquid supplementing assembly. The heating detection assembly is communicated with a mist pipe, the liquid supplementing assembly comprises a liquid conveying pipe detachably connected with the atomizer main machine, the top end of the liquid conveying pipe is connected with a sterilization water storage bag, a second flow adjusting valve is installed on the liquid conveying pipe, and the heating detection assembly comprises a heating pipe detachably connected with an atomization air outlet. A monitoring pipe with a built-in temperature and humidity sensor is arranged at the end, away from the atomization air outlet, of the heating pipe. The problems that a humidifying device does not have the heating and humidifying functions, and sterilization water in the humidifying device needs to be added by medical staff are solved.

The invention relates to the technical field of unmanned aerial vehicle obstacle avoidance, in particular to an unmanned aerial vehicle autonomous obstacle avoidance control system based on multiple sensors, and the system comprises an information collection module which is used for collecting unmanned aerial vehicle obstacle avoidance feature information, comprising an air velocity detection array used for collecting air velocities of a plurality of velocity detection points around the unmanned aerial vehicle, a temperature detection array used for collecting heat of a plurality of heat detection points around the unmanned aerial vehicle, and an ultrasonic detection array used for collecting motion ultrasonic features of a plurality of positions of an object to be subjected to obstacle avoidance. The state recognition module is used for determining the hedging state of an obstacle avoidance area according to the obstacle avoidance feature information of the unmanned aerial vehicle; the obstacle avoidance control module is used for determining a corresponding obstacle avoidance mode according to the hedging type, including adjusting an obstacle avoidance deceleration speed until the phase locking value is unqualified, or optimizing an obstacle avoidance path of the unmanned aerial vehicle according to a corresponding position on the object to be subjected to obstacle avoidance; according to the invention, the safety and accuracy of obstacle avoidance are improved.

The application provides a heating detection assembly, a heating non-combustion appliance and an atomization device, and belongs to the technical field of atomization devices. The heating detection assembly comprises a heating body, an air passage structure and a humidity detection device. The air passage structure comprises a base and a cylinder part. The heating body is arranged in the cylinder. The base is arranged at one end of the cylinder part and supports the heating body. The humidity detection device is inserted into the cylinder part and located at one side of the heating body in the radial direction. Since the humidity detected by the humidity detection device is different before and after the aerosol generating substrate is smoked, the smoking state can be detected through the humidity detection device, thereby avoiding the technical problem in the prior art that the smoking state can only be detected through a microphone in the heating non-combustion appliance.

This invention relates to the field of wind power technology, and more particularly to a heat dissipation system control method, a wind turbine generator set, and a computer-readable storage medium. The method includes: determining the required heat dissipation of the heat dissipation system, and determining the system heat dissipation of the heat dissipation system based on the heat dissipation air temperature, heat dissipation air velocity, and coolant inlet temperature; detecting whether the system heat dissipation meets the required heat dissipation; if the system heat dissipation does not meet the required heat dissipation, adjusting the airflow and air pressure characteristics of the cooling fan in the heat dissipation system, and then returning to the step of detecting whether the system heat dissipation meets the required heat dissipation, until the system heat dissipation meets the required heat dissipation. This invention improves the control accuracy of axial flow fans, thereby enhancing the heat dissipation effect of the wind turbine heat dissipation system.

The invention discloses an intelligent thermal shrinkage rate detection all-in-one machine and method for customizing garment fabric, and belongs to the technical field of customizing garment fabric detection.The intelligent thermal shrinkage rate detection all-in-one machine for customizing garment fabric comprises a detection box, and the inner wall of the detection box is of a heat insulation and preservation structure; a boiling water detection cabin, a dry heat detection cabin and a damp heat detection cabin are arranged in the detection box, the dry heat detection cabin is arranged at the top of the boiling water detection cabin, and the damp heat detection cabin is arranged at the side edge of the dry heat detection cabin; heating parts are arranged at the bottoms of the boiling water detection cabin and the dry heat detection cabin; one side of the boiling water detection cabin, one side of the dry heat detection cabin and one side of the damp heat detection cabin are provided with long-strip-shaped openings, cabin doors are correspondingly arranged at the position of the detection box, cloth to be detected is arranged in the detection box, the detection box is of a square structure, the top of the detection box is of an open structure, and the bottom of the detection box is of a screen structure capable of ventilating or passing water.

The invention relates to the technical field of refractory slab detection, in particular to a refractory slab fire resistance detection device which comprises a heating detection machine body for refractory slab detection, a detection unit for refractory slab detection is arranged in the heating detection machine body, and the detection unit comprises a first test structure, a second test structure and a marking structure; the first testing structure is used for clamping and detecting a plate. According to the device for detecting the fire resistance of the refractory plate, the position of the test plate II can be flexibly adjusted according to the refractory plates with different sizes, the displacement of the test plate II, namely the deformation of the plate, can be directly read through the scale marks on the test plate I, and a complicated measuring tool and a cumbersome calculation process are not needed; continuous deformation of the plate is converted into periodic pressure striking signals, the deformation rate and process of the plate can be accurately reflected through the striking frequency and strength, static displacement can be measured, the dynamic process can be captured, and richer fireproof performance data can be provided.

The invention discloses a wide-temperature-range infrared thermal detection device which comprises a high and low temperature box, germanium glass, an infrared imaging lens, a data processing unit and an equipment bracket, wherein the germanium glass is arranged at the top of the high-low temperature box; the infrared imaging lens is arranged on the germanium glass, and the infrared imaging lens can penetrate through the germanium glass to shoot and image the interior of the high and low temperature box; the equipment bracket is mounted in the high-low temperature box and is used for fixing to-be-detected electronic equipment; and the data processing unit is connected with the infrared imaging lens. According to the invention, the real-time detection of the electronic equipment in a wide temperature range is met.

The utility model belongs to the field of detection, in particular relates to a detection device, and aims to solve the problems that the self-heating detection of the next flammable solid can be carried out only after the flammable solid is completely combusted because the flammable solid is inconvenient to extinguish quickly after the self-heating detection of the existing flammable solid of a dangerous article is completed, a large amount of harmful gas is generated, and the detection cost is low. According to the technical scheme, the device comprises an extinguishing mechanism, and the extinguishing mechanism is arranged on a detection box and used for extinguishing the detected flammable solids; the exhaust mechanisms are arranged on the two sides of the detection box and used for exhausting harmful gas in the detection box. When the device is used, the device is beneficial to achieving the effect of rapidly extinguishing the flammable solid, the situation that the self-heating detection of the next flammable solid is influenced due to complete combustion of the flammable solid is prevented, a large amount of harmful gas is prevented from being generated, the detection of different flammable solids is influenced, and the efficiency is improved.

The utility model discloses a contactor, which comprises a shell, a coil assembly and a static iron core, the coil assembly and the static iron core are arranged in an inner cavity of the shell, the coil assembly comprises a coil framework and a coil, and a temperature sensing element is arranged on the side wall of the inner cavity of the shell. The temperature sensing element is arranged at the position close to the static iron core and can detect the temperature of the static iron core according to heat radiated by the static iron core, the temperature sensing element is connected with the coil in series, and the temperature sensing element can cut off power supply of the coil when the detected temperature exceeds a threshold value. The contactor provided by the utility model can cut off the power supply of the coil when the working temperature of the static iron core exceeds a threshold value, and can prevent the problems of failure and breakdown of the heat-resistant enameled leather of the coil and burnout of the coil framework caused by overheating.

The utility model relates to the technical field of heating and ventilation detection engineering, in particular to an air tightness detection device for a heating and ventilation pipe. The device comprises a first sealing plate, a second sealing plate, a first swing arm, a second swing arm, a fan and a sensor, a first rope hole is formed in the first sealing plate; a second rope hole and an air inlet are formed in the second sealing plate; the first swing arm is rotationally connected with the first sealing plate, an included angle is formed between the first swing arm and the first sealing plate, and a first pulley is arranged at the free end of the first swing arm; the second swing arm is rotationally connected with the second sealing plate, an included angle is formed between the second swing arm and the second sealing plate, and a second pulley is arranged at the free end of the second swing arm; an air outlet of the fan is communicated with the air inlet; the sensor is connected with a first cable body and a second cable body, the first cable body and the second cable body are matched with the first pulley and the second pulley respectively, and the free end of the first cable body and the free end of the second cable body penetrate through the first rope hole and the second rope hole respectively and are movably connected with the first rope hole and the second rope hole in a sealed mode. According to the application, the circumferential positioning of the leakage point in the air pipe can be realized.

A pressure measuring device for an oxygen bomb type calorimeter relates to the field of combustion heat detection equipment and comprises a sleeve seat and a plug rod, the plug rod is matched with the sleeve seat for use, a sleeve seat upper hole is formed in the sleeve seat, a sleeve seat lower hole is formed in the lower portion of the sleeve seat, a sleeve seat side hole is formed in the side face of the sleeve seat, an external thread is arranged on the plug rod, and the sleeve seat upper hole and the sleeve seat lower hole are matched for use. A sealing groove is formed in the plug rod, and a rod needle is arranged at the lower end of the plug rod. The pressure measuring device can solve the problem that a pressure measuring device matched with an oxygen bomb calorimeter does not exist at present in the background technology.

The present invention relates to the technical field of detection mechanisms, specifically to an experimental device for detecting high-speed friction heat of bulk particles. The detection mechanism is arranged in an experimental bench and is located below the friction mechanism. A material barrel is fixed in the experimental bench. A bottom plate is provided in the material barrel to separate the interior of the material barrel into a storage space with a top opening and an exhaust space. The bottom plate is provided with multiple air holes. The exhaust space outlet is connected to an exhaust element. At least three temperature measuring elements are respectively arranged in the storage space near the opening end, in the storage space near the bottom plate, and in the exhaust space near the outlet. When the abrasive disc contacts the bulk particles in the storage space, friction heat is generated between the abrasive disc and the bulk particles through rotation. This solves the problem in the prior art that the high-speed flow of different bulk materials during loading, unloading, transportation, and storage at ports and the relative movement with operating equipment generate friction heat transfer patterns that are difficult to detect.

Fire protection systems and methods provide for the protection of horizontal concealed interstitial spaces of either a solid wood joist, open bar joist or open truss construction system. The systems and methods provide and locate fire protection sprinklers to define localized heat detection areas that are over 1000 sq. ft., at least 2000 sq. ft., over 2000 sq. ft. and / or otherwise unconfined by draft curtains or other barriers.