129 results about "Heat sensitive" patented technology

The invention discloses a Bayesian learning and piezoelectric ceramic driving numerical control machine tool thermal error compensation system and method. According to the system, a distributed temperature sensor array is arranged in heat sensitive areas such as a machine tool spindle, a ball screw, a guide rail and a bearing seat, whole-field temperature information is collected in combination with a thermal infrared imager, and multi-source thermal field sensing is achieved; meanwhile, a laser interferometer and a capacitive displacement sensor are used for constructing a dynamic pose monitoring network. The intelligent decision-making unit integrates a Bayesian online learning engine, fuses a physical model and a data driving model, dynamically predicts a thermal error and generates a compensation instruction. And the piezoelectric execution mechanism carries out nonlinear pre-compensation on a driving signal through a three-section Prantl-Ishlinskii hysteresis inverse model according to the instruction, so that high-precision pose adjustment is realized. The thermal error compensation precision is remarkably improved, the adaptability of the system to complex working conditions is enhanced, the service life of equipment is prolonged, and the method is suitable for various numerical control machine tools.

The invention discloses a multi-modal image fusion and identification method, which belongs to the technical field of image fusion, and obviously enhances the ability of a model to capture a complex dependency relationship between modals by introducing a multi-head attention mechanism. In a multi-modal image fusion and identification task, image data of different modals often contain complementary information, such as rich details of a visible light image, thermal sensitivity of an infrared image and penetrating power of a radar image. The multi-head attention mechanism can pay attention to the features of multiple modes at the same time, and the internal relation between the features of the different modes is learned through the self-attention mechanism. By means of the design, the model can fuse multi-modal information more flexibly, and the richness and accuracy of feature representation are effectively improved. For example, in a complex scene, the model can assist in target recognition in the visible light image by means of the heat sensitive information of the infrared image, so that the recognition accuracy and robustness are improved.

The utility model discloses a protective device for thermal paper processing, comprising a base, a conveying assembly, a cutting assembly, a roll changing assembly, a winding assembly and a material discharging assembly, wherein a conveying assembly is arranged above the base, the cutting assembly is arranged above the base, the roll changing assembly is arranged above the base, the winding assembly is arranged at one side of the roll changing assembly of the base, and the material discharging assembly is arranged above the base, wherein a gear is arranged, the gear is meshed and connected with a rack, a fourth motor drives the gear to rotate, and a slide plate is made to slide while a support plate on the slide plate drags the wound coil, thereby reducing the contact between the thermal paper and the staff and avoiding chemical reaction of the thermal paper, and a spring is arranged above the slide plate, the spring can make the support plate fit the coil more closely, and the support plate will not deviate when driving the coil to be discharged, and the device solves the problems of lack of protection for the current thermal paper discharging and easy injury to the staff when changing the roll.

The invention discloses an electric drill motor overload protection device, and relates to the technical field of circuit overload protection, the electric drill motor overload protection device comprises an electric drill main body, the side part of the electric drill main body is provided with a driving module, the electric drill main body is internally provided with an overload assembly, the overload assembly comprises a hard through pipe and an elastic through pipe, and the hard through pipe and the elastic through pipe are internally provided with connecting wires in a penetrating manner; composite connecting pieces are assembled outside the sides, close to each other, of the two connecting rods; the whole composite connecting piece is of a double-layer structure, the inner layer is an electrified contact head used for achieving circuit conduction, the outer layer is an adsorption magnetic ring playing a role in adsorption and fixation, thermal expansion of the heat sensitive piece is a continuous process, but the action of triggering the upper inclined plate to move to disconnect the circuit is completed instantly, and therefore the heat sensitive piece is not damaged. The delayed process of temperature accumulation is converted into the instant action of mechanical triggering, so that the response of the protection device is quicker and more reliable, timely intervention can be performed when the temperature of the motor just exceeds the safety range, and the operation time of the motor at the dangerous temperature is effectively shortened.

To provide a temperature sensor capable of highly accurate measurement by protecting a pattern wire and preventing a damage while suppressing the increase in manufacturing cost, and a biosensor including the temperature sensor.SOLUTION: A temperature sensor includes a substrate at least an upper surface of which is formed of an insulating material, a pair of measurement counter electrodes 3A formed to face each other on the upper surface of the substrate, a pair of measurement pattern wires 4A formed on the upper surface of the substrate and having one end connected to the pair of measurement counter electrodes, a pair of measurement pad parts 5A formed on the upper surface of the substrate and connected to the other end of the pair of measurement pattern wires, and a thin-film heat-sensitive part 6 formed covering an upper surface and a side surface of the pair of measurement counter electrodes. The heat sensitive part is formed so as to cover an upper surface and a side surface of the pair of measurement pattern wires.SELECTED DRAWING: Figure 2

The invention provides a thermal distortion control method and system for ship sheet welding, and relates to the technical field of welding control, and the method comprises the steps: carrying out the digital twin modeling of the welding process of welding equipment, and executing the thermal input distribution simulation of a welding parameter set; thermal sensitive fitting of thermal input is carried out on the basic data of the thin plate; performing thermal sensitivity analysis according to the thermal distortion historical data; establishing a target function according to mapping of the first area thermal sensitivity, the second area thermal sensitivity, the welding parameter set and the thermal input distribution simulation; and after the parameter set is initialized, region adaptation evaluation of the parameter set is carried out by using a target function, iterative optimization of the parameter set is executed, and welding management is carried out according to an optimization result. Through the method, the technical problem that in the prior art, a welding control strategy is difficult to adapt to the local thermal response difference of the structure can be solved, the technical target of accurate recognition of the thermal sensitive area is achieved, and the technical effect of improving the welding efficiency is achieved.

A linear actuator and a method of operating is provided. The linear actuator includes a housing having at least one wall made from an electrochromatic material configured to transform from an opaque to a translucent material in response to a voltage. A plunger is slidably coupled to the housing to move between a first position and a second position. An actuator is disposed between the plunger and the housing, the actuator being made from a heat sensitive material, the actuator being configured to change a length of the actuator in response to a change in temperature.

An anti-reverse pressure relief clean exhaust type columnar fire extinguisher is characterized in that a waist-hole-shaped side groove hole is formed in the edge of a heat insulation pressure bearing plate and used for allowing a starting thermosensitive line to penetrate through, an elastic piece is fixed to the end face of one side of a medicine bin cavity of the heat insulation pressure bearing plate, and the elastic piece can completely shield the side groove hole under the action of high-pressure gas in the medicine bin cavity; by eliminating reverse pressure relief of the inner cavity of the head sealing head, the clean discharging effect is improved. The long guide piston component is adopted, the guide length can be increased, the capacity of a fire extinguishing agent is not reduced, the sliding stability and reliability of the piston are improved, the purpose of clean discharge is achieved cooperatively, a pressure relief structure is arranged between the piston and a cylinder body or between the piston and a rear sealing head, and slow pressure relief of a propelling cavity can be formed when the piston moves to the clean discharge limit position; the fire extinguishing agent can be completely discharged, the situation that the pressure in the propelling cavity is continuously increased due to combustion of the redundant gas production explosive block can be prevented, and the accident that people are hurt due to explosion caused by the fact that the pressure in the propelling cavity is too high in the later fire extinguisher disassembling process is eliminated.

To provide a high energy density rechargeable (HEDR) battery capable of preventing the thermal runaway in the event of internal discharge or other disruption of a separator.SOLUTION: An improved high energy density rechargeable battery comprises: a first electrode; a first current collector for transferring electrons; a current interrupter 8 interposed between the first electrode and the first current collector, where the current interrupter 8 comprises a heat sensitive material configured to generate a gas upon activation by at least a temperature trigger, where the generation of the gas forms a nonconductive gap between the first electrode and the first current collector, and where the formation of the nonconductive gap electrically decouples the first electrode from the first current collector; a second electrode having a polarity opposite to that of the first electrode; and a separator 2 interposed between the first electrode and the second electrode. Preferably, the battery further comprises a current limiter.SELECTED DRAWING: Figure 6D

To provide a thermal recording medium having good print running properties (especially resistance to head residue adhesion) even during long-run printing. [Solution] The thermal recording medium comprises a support, a thermal recording layer containing a colorless or light-colored electron-donating leuco dye and an electron-accepting developer, and a protective layer provided on the thermal recording layer, the thermal recording layer containing at least one urea compound represented by the following general formula (Chemical Formula 1), and the protective layer containing a phosphate ester compound. [Case 1] TIFF0007600479000014.tif37164 (wherein X represents -O- or -NH-, R 1 is a hydrogen atom or -SO2-R 3 R 3 represents a substituted or unsubstituted alkyl group, aralkyl group, or aryl group; R 2 represents a hydrogen atom or an alkyl group, and m represents 0 or 1.

The invention provides a low-temperature plasma spraying method for a heat-sensitive polymer matrix and a composite material, and belongs to the technical field of surface engineering. According to the method, through a system process of matrix surface pretreatment, spraying powder drying and low-temperature plasma spraying, the core is that a matrix active cooling technology is adopted in the range of 0-10 DEG C to isolate the plasma arc heat influence, and optimized sand blasting coarsening, powder granularity control and spraying process parameters are matched; and the compact Al2O3-TiO2 ceramic coating with high bonding strength is successfully prepared on a heat-sensitive epoxy resin matrix. The limitation that a traditional thermal spraying technology cannot be used for high polymer materials is broken through, the technological process is simple, the cost is low, and the obtained coating is excellent in abrasion resistance and suitable for meeting the requirement for high performance of the surface of the light high polymer material in the fields of electronic equipment, aerospace and the like.

The application discloses a kind of high-temperature-resistant bifunctional nanogenerator materials and preparation method and application thereof, belong to high-temperature-resistant sensitive material development field;Solve the poor flexibility, single function and lead toxicity of traditional high-temperature piezoelectric sensor and other problems;The application is that piezoelectric polymer polyacrylonitrile and anhydrous acetate are fully mixed in organic solvent and pre-cyclization, then the method of electrospinning is used to prepare flexible nanofiber membrane, and the composite fiber membrane is heat treated, and nanogenerator material is prepared;The nanogenerator material described in the application can work continuously in an environment higher than 450 DEG C, has pyroelectric function, has dual sensitivity to force and heat, and has good flexibility.The preparation method is simple, low cost, environment-friendly and excellent in electrical output performance, and is expected to have good application prospect in the field of force and heat sensitive signal monitoring and sensing in extreme high-temperature environment.

The invention relates to the technical field of shield engineering materials, and discloses dry-mixed mortar for synchronous grouting of shield construction and a preparation method of the dry-mixed mortar. The dry-mixed mortar is prepared from functional preset phosphogypsum and steel slag co-calcined clinker, carbide slag micro powder, gasification slag micro powder, a pressure-sensitive gel precursor, an ion concentration sensitive latent activator, a heat sensitive self-crosslinking water reducing agent, a pH gradient response type dual anticorrosive agent and the like. The preparation method comprises the following steps: co-calcining phosphogypsum and steel slag under the condition of introducing a sulfur dioxide atmosphere to prepare a core clinker, and uniformly mixing the core clinker with other components. Through cooperation of pressure-sensitive, ion concentration and heat-sensitive multiple response systems, long open time and high-pressure instantaneous condensation of the slurry are realized, and the performance contradiction is solved; the heat-sensitive self-crosslinking water reducing agent forms an interpenetrating network to improve the early strength; and the combination of the functional preset clinker and the anticorrosive agent endows the hardened body with later-stage micro-expansion and self-adaptive corrosion resistance, so that the long-term service performance is improved.

To provide a temperature sensor achieving a higher degree of freedom of material selection of a case and high adhesion between the case and filler resin.SOLUTION: A temperature sensor comprises: a resin case 2 closed at one end side and serving as opening end 2a at the other end side; a heat sensitive element 3 stored on the one end side in the case; a pair of lead wires 4 connected at one end to the heat sensitive element; and a filler resin part 5 filling the case and encapsulating the heat sensitive element and the pair of lead wires at least one end side with resin. An inner surface of the case is embossed with protrusions and recesses rougher than an outside surface.SELECTED DRAWING: Figure 1

The utility model discloses an asymmetric hot plate instrument, which belongs to the field of hot plate instruments and comprises a hot plate instrument main body, a heating plate fixedly mounted at the top of the hot plate instrument main body and a heat sensing plate longitudinally moving on the hot plate instrument main body and corresponding to the position above the heating plate. A supporting plate in sliding connection with the heat sensing plate is fixedly connected to the hot plate instrument body, a handle is hinged to the center of the face, away from the heating plate, of the heat sensing plate, and a positioning mechanism used for clamping a biological material sample is arranged at the position, corresponding to the position between the heating plate and the heat sensing plate, of the hot plate instrument body. According to the asymmetric hot plate instrument, a biological material is clamped and positioned through the positioning mechanism, and particularly, the irregular-shaped biological material can be more stably clamped through the bell-mouth chuck, so that the biological material in different postures can be conveniently measured, the collection of comparison data and the averaging of the comparison data are facilitated, and the measurement precision is improved.

The current invention relates to a system for disassembling garments that are at least partially assembled with heat sensitive yarn, glues and / or heat-demountable rivets. The system comprises at least one heating chamber in connection with means for providing heated air of a temperature of 100° C. or more or superheated steam to the heating chamber. Said heating chamber having at least one opening through which clothing can enter said heating chamber wherein said system further comprises a rotating drum section, wherein said drum section is located within said heating chamber or configured to be moved in and out said heating chamber. A method of using the system is also disclosed. The system and method provide an energy efficient, non-destructive means by which textile elements of garments can be recovered for further use.

The invention provides a dew-point regeneration energy-saving control method for a medical compressed air system, and relates to the technical field of control regulation, and the method comprises the steps: building a nonlinear optimization model of the switching time and waste heat distribution of a suction dryer by collecting the adsorption state parameters and multi-point pressure dew-point data of the multi-dimensional suction dryer; a layered calibration mechanism is provided by combining waste heat sensitive factors and environment states of a building greening area, and dynamic feedback adjustment and accurate waste heat distribution of calibration parameters of the suction dryer are achieved; the adjustment coefficient not only reflects the dew point difference, but also fuses the adsorption time and flow physical characteristics, so that the adjustment response better conforms to the working condition change, and the requirements of medical building waste heat and compressed air stability are met.

A method for making a metal isolator body to be positioned between a heat sensitive component and a heat source includes obtaining at least a thermal conductivity specification and a load specification for the metal isolator body, and generating a metal isolator body design including solid regions and lattice regions to meet at least the thermal conductivity specification and the load specification. Three dimensional (3D) metal printing is used to form the metal isolator body based upon the metal isolator body design.

The invention relates to a non-electrical variable control or regulation system, and discloses a sunshade and ventilation cooperative control method based on environmental parameter analysis, which comprises the following steps: acquiring internal and external temperature difference data of a controlled environment and the current physical opening of a ventilation window, and executing asymmetric following calculation to generate a virtual opening value; indexing in a preset heat dissipation characteristic data table by using the virtual opening value and the internal and external temperature difference data to obtain maximum allowable heat dissipation power, and defining the maximum allowable heat dissipation power as a sunshade light transmission amount allowable upper limit; and monitoring a target instruction of the sunshade light transmission amount in real time, and limiting a driving signal of the sunshade device within the allowable upper limit when the input power corresponding to the target instruction is greater than the allowable upper limit of the sunshade light transmission amount. The risk of transient overshoot of the controlled environment temperature caused by action lag of an executing mechanism or unsteady flow field is avoided, and thermal safety protection of the precise photo-thermal sensitive environment is achieved.

To provide a heat sensor capable of eliminating the visual directivity of a display lamp.SOLUTION: A circuit board on which a heat sensitive element and a component constituting a circuit for detecting a fire are mounted is housed inside a housing including a main body case and a main body cover, and the circuit board is provided with a plurality of light emitting elements that emit light when a fire is detected, in a heat sensor including a display unit that displays detection of a fire by light emitted by a plurality of light-emitting elements, a heat-sensitive element is a thermistor, the display unit includes an insertion hole having an inner diameter larger than a diameter of the thermistor and a mortar-shaped display lamp unit that spreads from an edge of the insertion hole in a direction away from a circuit board, and the thermistor is mounted on the circuit board such that a distal end side of the thermistor penetrates the insertion hole. The plurality of light sources are installed so that the light-emitting parts are located closer to the circuit board side than the indicator lamp part and surround the thermistor, and the entire surface of the indicator lamp part emits light by the light emitted by the light-emitting elements.SELECTED DRAWING: Figure 6

The invention provides a method for thermo-mechanical control of a heat sensitive element (MI) subject to a heat load, comprising: —providing a non-linear thermo-mechanical model of the heat sensitive element describing a dynamical relationship between characteristics of the heat load and deformation of the heat sensitive element; —calculating a control signal on the basis of an optimization calculation of the non-linear model, —providing an actuation signal to a heater (HE), wherein the actuation signal is at least partially based on the control signal, —heating the heat sensitive element by the heater on the basis of the actuation signal.

An apparatus (140, 170) for unsealing a sample disc (130) for a thermal analysis instrument, the apparatus comprising a sample disc holder, an actuator element and a stamping element (144, 174). The sample disc holder is configured to secure the sample disc (130) in a fixed position relative to the sample disc holder. The actuator element is fixed to the sample disc holder and is formed of a heat-sensitive material that changes the shape of the actuator element in response to a change in the external temperature to the transition temperature. A stamping element (144, 174) is attached to the actuator element and positioned relative to the sample tray (130) such that a change in shape of the actuator element in response to a change in external temperature moves the stamping element (144, 174) to pierce the sealing element (138) on the sample tray (130), thereby exposing the internal volume of the sample tray (130) to the external environment.

The utility model relates to a heat sensitive material technical field especially for a kind of sealing type storage box of heat sensitive material without protective layer, including box, the top of box is equipped with lid, sealing assembly is equipped between box and lid, symmetrically equipped with pressure balance assembly on lid, sealing assembly includes the sealing clamping slot and sealing clamping strip of inside and outside arrangement, sealing clamping slot is opened in the top four edges of box, sealing clamping strip is fixedly connected to the bottom four edges of lid, the inner chamber bottom of sealing clamping slot is equidistantly spaced and is fixedly connected with several first piezoelectric ceramic pieces, the bottom of sealing clamping strip is equipped with several embedding slot, second piezoelectric ceramic piece is fixedly embedded in embedding slot, the inner chamber of sealing clamping strip is equipped with sealing air bag, in the utility model, the expansion degree of sealing clamping strip can be adjusted to ensure that it is closely combined with sealing clamping slot to improve the overall sealing effect, and it has the ability of self-balancing internal and external pressure difference, thereby further protecting the sealing property and structural integrity of box.

A system for applying a powder coating to a heat-sensitive substrate that may include at least one radiative oven, at least one convective oven, and a powder application system. The powder application system may include a plurality of powder application devices configured to apply powder to at least a top surface of the heat sensitive substrate while the heat sensitive substrate is oriented in a horizontal orientation.

A protective barrier that will typically be installed beneath ceilings during construction work being performed on ceilings or roofs of buildings. The protective barrier can be comprised entirely of one material or of different materials connected by seams. Some or all of these materials can be designed to fail when contacted by water via dissolution, melting or through some other destructive process initiated by contact with water. Some or all of the materials comprising the protective barrier can be designed to fail at a certain temperature. This failure can create access points from the ceiling through the protective barrier to the area being protected by the barrier, which can allow water from a fire suppression system to reach a fire located below the protective barrier.

A heat dissipation system for an antenna assembly for a vehicle is disclosed that provides enhanced heat removal attributes and that provides heat transfer from various components to a heat sink through different heat transfer flow paths to reduce the transfer of heat from high heat producing components to heat sensitive components. Improved heat insulation components can be added to maximize the thermal isolation between heat producing components and to prevent heat transferred from the vehicle into the antenna assembly.

The present application relates to non-electric variable control or regulation system, disclose a kind of sunshade and ventilation collaborative control method based on environmental parameter analysis, comprising: the internal and external temperature difference data of controlled environment and the current physical opening of ventilation window are collected, asymmetric following calculation is executed to generate virtual opening value;With virtual opening value and internal and external temperature difference data, in the preset heat dissipation characteristic data table index maximum allowed heat dissipation power is obtained, and it is defined as the upper limit of sunshade light transmission amount allowed;Real-time monitoring sunshade light transmission amount target instruction, when the input power corresponding to target instruction is greater than the upper limit of sunshade light transmission amount allowed, the driving signal of sunshade device is limited within the upper limit of sunshade light transmission amount allowed, the present application establishes asymmetric energy permission mechanism based on physical response time lag, avoids the risk of controlled environment temperature transient overshoot caused by actuator action lag or flow field unsteady state, realizes the heat safety protection of precision light and heat sensitive environment.

The invention discloses a bus duct, and belongs to the field of power supply switching equipment. A bus duct comprises a frame which comprises a side connecting plate and a cover plate, the side connecting plate and the cover plate jointly form an I-shaped structure through a connecting piece, the side connecting plate is provided with ventilation holes, and a bus bar is installed in the I-shaped structure; the protection assembly is installed in the frame and comprises a sealing plate and a heat sensitive element, a first groove is formed in the side, close to the busbar, of the upper cover plate, the sealing plate is installed in the first groove through an elastic piece, and the heat sensitive element is clamped between the sealing plate and the side connecting plate. The heat sensitive element deforms or fractures, after the sealing plate loses the support of the heat sensitive element, the ventilation hole is opened and closed under the action of the elastic piece, the internal damage of the bus duct caused by external overheating is prevented, and the protection assembly carries out forced heat exchange on the internal of the bus duct to ensure that the internal temperature of the bus duct is well controlled.

An image capture apparatus includes a heat sensitive assembly configured to support a battery. The image capture apparatus includes a heatsink spaced a distance from the heat sensitive assembly and a heat generating component that is spaced a distance from the heat sensitive assembly and the heatsink. The image capture apparatus includes a heat conductor that extends from the heat generating component to the heat sensitive assembly or the heatsink, and the heat conductor moves heat from the heat generating component to the heat sensitive assembly or the heatsink. The image capture apparatus includes an actuation mechanism that moves the heat conductor between the heat sensitive assembly and the heatsink.