104 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.

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 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 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.

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).

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 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 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 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.

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.

The utility model relates to the technical field of calorific value detection, and particularly discloses an oxygen bomb calorimeter and a liquid path thereof.The liquid path of the oxygen bomb calorimeter comprises a liquid storage tank, a first pump, a refrigerator, an outer barrel, a second pump, a heater, a first valve, an inner barrel and a second valve, and the first pump and the refrigerator are connected between an outlet and an inlet of the liquid storage tank; the second pump and the heater are connected between the inlet and the outlet of the outer barrel, the first valve is connected between the first pump and the inlet of the outer barrel and used for connecting or disconnecting the first pump and the outer barrel, and the second valve is connected between the first pump and the inlet of the inner barrel and used for connecting or disconnecting the first pump and the inner barrel. According to the oxygen bomb calorimeter and the liquid path, the outer barrel and the liquid storage tank of the oxygen bomb calorimeter provided by the invention, self-circulation temperature control can be realized, and different target temperatures can be respectively controlled. During testing, the outer barrel does not participate in the liquid storage tank and the inner barrel, and the testing efficiency is improved. And the liquid path is simple in structure and few in parts.

The utility model discloses a water chilling unit effect detection device which comprises a water chilling unit, the water chilling unit is installed on a bottom plate, one side of the bottom plate is provided with a heat detection structure, the other side of the bottom plate is provided with a water detection structure, the water detection structure comprises a base, a supporting plate and a detection assembly, the base is arranged on the bottom plate, and the supporting plate is arranged on the bottom plate. The supporting plate is arranged on the base, the number of the detection assemblies is two, and the two detection assemblies are arranged on a water inlet and a water outlet of the water chilling unit in a communicating mode respectively. The utility model relates to the field of use of water chilling units, in particular to an effect detection device for a water chilling unit.

This invention discloses a mobile heat detection device and system for subway tunnels, comprising a housing, a motor mounted on the inner bottom wall of the housing, a lead screw mounted on the drive shaft of the motor, a sliding plate slidably connected to the outer wall of the lead screw, an mounting plate welded to the upper surface of the sliding plate, and two guide columns slidably connected inside the sliding plate. The invention uses the motor to drive the lead screw to rotate, which in turn drives the sliding plate to move along the guide columns. The sliding plate then drives the mounting plate to move along the fixed columns. A temperature probe at the top of the extension rod cyclically detects the temperature inside the tunnel. Rotating an adjustment disc causes the threaded rod to rotate, which in turn moves a ring-shaped locking block via a connecting plate and connecting columns. This releases the ring-shaped locking block from restricting the position of the extension rod, allowing workers to hold the extension rod and perform temperature detection at designated locations, making it more convenient to use and improving work efficiency.

The invention provides a thermal detection system and method for a PFC power supply module, and relates to the technical field of thermal detection alarm, and the method comprises the steps: obtaining the temperature distribution information and dynamic heat flow data of the PFC power supply module during operation; determining a heat accumulation track in the key heat source area according to the temperature distribution information, and determining a heat flow trend of the operation temperature of the PFC power supply module during temperature diffusion according to the heat accumulation track and the adjusted qualitative heat early warning strategy; performing multi-path thermal conductance matching on the calibrated temperature deviation to obtain an alarm response index of the PFC power supply module during cooperative heat dissipation operation, and determining a thermal out-of-limit boundary on a temperature detection point in the PFC power supply module according to the alarm response index and the dynamic heat flow data; and according to the heat flow trend and the heat out-of-limit boundary, performing graded alarm on the PFC power supply module during dynamic heat balance synchronous detection. According to the invention, the thermal state can be accurately monitored and early warned when the PFC power supply module is dynamically operated, so that the accuracy of thermal detection alarm is improved.

The application discloses a simulation model construction method applied to regional heating efficiency evaluation, relates to the technical field of heating management, and improves heating energy utilization efficiency.The application establishes multiple heating evaluation models through heating thermal parameters and user energy consumption data, divides a current heating quarter period into a plurality of heating detection time points, collects real-time heating thermal parameters and real-time user energy consumption data and inputs the real-time heating thermal parameters and the real-time user energy consumption data into the multiple heating evaluation models whenever a heating detection time point starts, then obtains required fuel quantity under the corresponding heating detection time point according to the energy consumption relationship among a heat source evaluation model, a pipe network evaluation model and a user energy efficiency evaluation model, and detects whether the transmission and distribution pipe network is abnormal.

A method of joining electronic components to an electronic substrate in an apparatus includes: (1) transporting electronic substrates through a chamber housing including a tunnel extending through multiple processing zones; (2) detecting temperatures of the electronic substrates passing proximate to a heat detection system including at least one temperature sensor coupled to the chamber housing; (3) receiving temperature data from the heat detection system with a controller coupled to the multiple processing zones, the conveyor, and the heat detection system; (4) determining, by the controller, with reference to the detected temperatures of the electronic substrates, an adjustment to at least one of (a) a heat setting of a heating element within the chamber housing, (b) a speed of the conveyor, and (c) an operational speed of a blower within the chamber housing; and (5) performing the determined adjustment.

Embodiments of the present application disclose a safety belt detection method, device and equipment and a storage medium. The method comprises: obtaining a to-be-detected image of a current vehicle, detecting a human body region of the to-be-detected image to obtain a target human body image; obtaining a key point heat map corresponding to at least one key point in the target human body image based on a pre-trained safety belt key point heat detection model according to the target human body image; and determining that a person in the current vehicle is a safety belt wearing person if the key point heat map meets a preset safety belt detection rule. The embodiments of the present application improve the accuracy of safety belt detection.

The present application provides a method, system, device and medium for visual detection of battery state, which marks multiple discharge voltage inflection points of a secondary battery in the current working state; determines an abnormal operation index of the secondary battery in the current working state based on the average battery temperature in the battery temperature information corresponding to the discharge voltage inflection point and the capacity loss characteristics of the battery capacity at the discharge voltage inflection point; then determines the charge change trend of the secondary battery during discharge operation, and determines the thermal equilibrium temperature for heat detection of the secondary battery during discharge operation through the charge change trend and the voltage characteristic data of the secondary battery; and determines the discharge health state visually displayed by the secondary battery during discharge based on the thermal equilibrium temperature and the inflection point voltage of the secondary battery. Based on the above solution, a comprehensive detection of the battery state can be realized under the interaction of multiple parameters of the secondary battery, thereby improving the prediction ability of battery health state assessment.