91 results about "Joint heat" patented technology

The invention relates to a flat-joint and detachable type roof deformation joint and a construction method thereof, and belongs to the technical field of buildings. The deformation joint is characterized in that the interiors of reinforced concrete structure beams at the two sides of the deformation joint are embedded with round steel, each reinforced concrete structure beam is provided with an angle iron, the outer side of each angle iron is provided with a concrete retaining sill, each angle iron is provided with an additional waterproof layer, a detachable rubber water stop belt is arranged between the two angle irons above the deformation joint, and is provided with a steel plate pressing strip, the steel plate pressing strip, the detachable rubber water stop belt and the angle irons are screwed, fastened and connected through nuts and threads at one ends of the round steels, a roof waterproof layer is provided with a roof heat insulation layer, a leveling layer and a roof rigid protecting layer, a deformation joint heat insulation layer is arranged between the two angle irons, a cover plate is arranged in the roof rigid protective layers, a gap is formed between the cover plate and the roof rigid protective layer, a flexible plate strip is arranged in the gap, and the upper part of the flexible plate strip is fully embedded with sealant. The deformation joint has the advantages that the setting requirements of various deformation joints, such as earthquake-proof joints, telescopic joints and settlement joints, are met, the strength is high, the wear-resisting performance is good, and the maintenance is convenient.

An electric heating device that is constructed in a unique fashion that allows it to be drapeable so that its three-dimensional, ‘scoop-like’ shape fits the curvature of a relaxed shoulder, a crooked knee or a crooked elbow, and is held in place by an adjustable strap whose ends are attached to the device. The heating element configuration that is contained within a singular, sealed, water-envelope tight vinyl envelope that is produced as one piece, with the three panels briefly connected at a point where the heating element wiring crosses from one panel to the other.

This invention discloses connecting method of carbon/carbon, carbon/silicon carbide complex material with heat resistance alloy. Square wave, triangular wave or sine wave waveform are processed on C/SiC or C/C connecting surface. Deposit before welding or connecting heat process are used to melt mesosphere connecting material and fill the C/SiC or C/C waveform and connecting surface, and it penetrates C/SiC or C/C inside of the basal body to generate chemical linkage with C/SiC or C/C, so it can reach connecting function of mechanical articulation and combine with chemical linkage with heat resistance alloy. Joint interface geometry in this invention is changed from lank joint interface in existing technique into Square wave, triangular wave or sine wave waveform interface, in order to release joint heat stress and transfer stress concentration area from joint interface to inner part of C/SiC or C/C basal body, so bad affection of joint heat stress is weakened and joint cutting strength is improved. The cutting strength of the joint in this invention is improved from 25-30MPa in existing technique to 30-50MPa.

The invention discloses a display method of an F/M heat resistant steel welded joint heat affected zone original austenite grain boundary, and belongs to the technical field of preparation of metallographic samples. The F/M heat resistant steel is 9-12% Cr ferrite martensite heat resistant steel. The original austenite grain boundary can be observed through a microscope after a polished sample is subjected to chemical thermal etching by virtue of a chemical hot corrosion liquid (supersaturated picric acid-Seagull brand shampoo-hydrochloric acid). According to the display method, the operation is convenient, the repeatability is high, the stability is good, the original austenite grain boundary can be clearly and completely displayed, and reference is provided for analyzing the grain evolution in a heat affected zone after weld thermal cycle.

A car air conditioner and battery joint heat control system comprises a cold water plate, a compressor, an outdoor heat exchanger, a cold water heat exchanging coil pipe capable of conducting heat exchanging with the outdoor heat exchanger and a bypass branch; a gas exhausting pipeline of the compressor, a gas return pipeline of a gas-liquid separator, the outdoor heat exchanger and an indoor heat exchanger communicate through a four-way valve, a first throttling valve is installed on a connecting pipeline between the outdoor heat exchanger and the indoor heat exchanger, and the two ends of the cold water heat exchanging coil pipe are separately connected with a water feeding pipeline and a water discharging pipeline of the battery box cold water plate; and the two ends of the bypass branch are connected to a pipeline between the first throttling valve and the outdoor heat exchanger and a pipeline between the indoor heat exchanger and the four-way valve and provided with a multi-way heat exchanger, and the multi-way heat exchanger is provided with a first pipeline separately connected with the water feeding pipeline and the water discharging pipeline of the battery box cold water plate. The car air conditioner and battery joint heat control system can also supply chilled water to a battery box for heat dispersing for heating while the car air conditioner and battery joint heat control system conducts the refrigerating or heating function in a car.

The invention provides a rubber block temperature field analogue simulation method considering a cord thread. The method is characterized by comprising the following steps that 1, a three-dimensional geometric model of a rubber block is built; 2, a mesh model is built; 3, a rubber block mesh model with the cord thread is built; 4, the unit strain energy density of the rubber block is extracted; 5, the strain energy density of rubber block joints is computed accurately; 6, the joint heat generation rate is computed; 7, temperature field analysis is carried out on the rubber block. The rubber block temperature field analogue simulation method considering the cord thread carries out temperature field computation and analysis on the rubber block model with the joints as the foundation, so that an accurate analogue simulation result is obtained, and a theoretical guidance is provided for actual application of the rubber block.

The invention relates to a low-temperature co-fired ceramic common mode filter for eliminating signal interference on an electronic apparatus. A sheet type low-temperature co-fired ceramic common mode filter produces a low-temperature co-fired ceramic by laminating tape-casted unripe ceramic tapes, n layers of left coils and right coils are printed in the low-temperature co-fired ceramic, where n>=5, an n-th layer and a first layer are pin layers respectively; the filter is characterised in that: a joint heat of a left coil's end of a lower layer and a right coil's end of an upper layer is stagger with a joint head of a left coil's end of the upper layer and a right coil's end of a more upper layer, and a joint heat of the other end of a right coil of the lower layer and the other end of the left coil of the upper layer is stagger with a joint heat of the other end of a right coil of the upper layer and the other end of the left coil of the more upper layer. The invention has characteristic of more ideal high-frequency performance, low differential mode impedance and low manufacturing cost.

The invention provides a 3D posture estimation method based on a multi-view deep sensor frame. The method mainly comprises a specific view sensor network, a multiple view integration network, layeredjump connection, data preprocessing, training and evaluation,; and the specific view sensor network extracts 2D shapes and layered texture information from different views, and generates mapping for the different views, a hourglass network composed of an encoder and a decoder form a high-resolution heat image of each joint, jump connection of the hourglass network is used to realize the multiple view integration network, the multiple view integration network integrates information from all available views, and an accurate 3D posture is provided. Hierarchical information is combined with estimated joint heat images to deduce the 3D dstructure, limitation of a direction measurement and observation system can be overcome, and the 3D posture is estimated more accurately.

The invention provides a gas-fired boiler and distributed off-peak electricity boiler joint heat supply system and method. The electricity use concentration ratio can be reduced, and the capacity increase pressure of a transformer substation and a power supply line can be relieved. The system comprises a first circulation pump, a gas-fired boiler heat supply subsystem formed by connecting a plurality of gas-fired boilers in series or in parallel, a first controller, a distributed off-peak electricity boiler joint heat supply subsystem formed by connecting a plurality of distributed off-peak electricity boilers in series or in parallel, and a second controller, wherein the distributed off-peak electricity boilers are electric boilers using off-peak electricity as an energy source and are placed in equipment rooms of various heat supply zones or various heat supply buildings in a scattered mode, the first controller is used for controlling the gas-fired boilers to supply heat at non-off-peak electricity periods in the daytime or supply heat all day, and the second controller is used for controlling the distributed off-peak electricity boilers to replace the gas-fired boilers to supply heat at off-peak electricity periods at night or assist the gas-fired boilers in supplying heat. The gas-fired boiler and distributed off-peak electricity boiler joint heat supply system and method are suitable for the technical field of heat supply.

The tie-in strengthening method that controls copper alloy and steel butt jointing tie-in interface structure belongs to the jointing field. To the method of copper and steel electric arc brazing in existence, it needs to fill in solders as brazing materials and the tie-in mechanics capability doesn't stabilize. The invention adopts electron beams as jointing heat sources. The electron beams operates a side of copper workpiece. Then controlling the electron beams focalized spot and the steel workpiece's symmetry midline makes the excursion distance be 0.7~1.0mm.After jointing, it can get a high strength copper and steel jointing tie-in of the compound interface structure in which occupied deep ratio is 30~35%.The invention is provided with easy uses, handy operations, high reliability and so on. Using accurate and controllable electron beams needn't fill in solders in addition. It also transforms strengthen effects of the inhesion interface structure to controllable operations of exterior jointing parameters and controls the occupied deep ratio of the compound interface structure by controlling offsets of the beam.

The invention provides a detection method of solder joint void defects based on laser pulse excitation simulation, and can be used in the technical field of solder joint void defect screening, life prediction and evaluation and the like. According to the invention, a numerical solution algorithm is embedded into a solder joint heat conduction finite element model through a solder joint heat conduction finite element modeling method with the void defects and the numerical solution algorithm with void defect solder joint heat conduction problems and inverse problems under the conditions of the laser pulse constant heat flux density and natural convection excitation, so that a rule model of which the sizes of the solder joint void defects change along infrared temperature differences is established. Finally, on-line detection of the solder joint void defects is realized according to the rule model. The detection method disclosed by the invention is simple to operate and accurate in judgment and can be preliminarily used in actual production, and by adopting the detection method of the solder joint void defects, the detection rate of the solder joint void defects can reach nearly 100% in the case of artificial judgment.

A construction method of a gas tightness heat-proof bridge waterproof heat preservation energy-saving external window comprises the following steps of window aperture opening, embedded part indwelling, external window fixed mounting and sealing measures, heat preservation plate and sealing mounting measures, window table plate mounting, and wood window sleeve mounting and sealing measures. The external window suspension and external mounting method, break joint heat preservation energy-saving measures, multiple sealing waterproof measures and heat-proof bridge technical measures are adopted to achieve the comprehensive function requirement of the external window heat-proof bridge, waterproof gas tightness and heat preservation energy saving.

The invention relates to a tubular asymmetrical mixed conductor compact film and a preparation method thereof. The preparation method comprises the following steps: rotating a tubular support body along an axis; spraying a mixed conductor material on the surface of the support body along the axis of the support body; and performing joint heat treatment to obtain the tubular asymmetrical mixed conductor compact film. The preparation method is simple, high in repeatability and suitable for large-scale production.

The invention discloses a heat dissipation method for a computer host. Heat of a chassis of the computer host is dissipated by adopting a double-layer chassis structure; the chassis comprises an outer box (1) and an inner box (2) arranged in the outer box; a mainboard (5) and a memory array are arranged in the inner box; the memory array is composed of a plurality of hard disks (3); the mainboard and the hard disks are arranged to be parallel to the bottom of the inner box; the hard disks are positioned over the mainboard; a plurality of parallel water cooling tubes (4) are also arranged in the inner box; heat of equipment in the inner box is dissipated by adopting the water cooling tubes; and the water cooling tubes are positioned in the clearance of the mainboard and the hard disks or positioned in the clearance of the hard disks. According to the heat dissipation method for the computer host, joint heat dissipation in wind-cooling and water-cooling manners is adopted; the heat dissipation effect is good; and the heat dissipation method is easy to implement.

The invention provides a method for carrying out hand posture estimation from a single color image based on an attention mechanism, which comprises the following steps of: obtaining the single color image with a hand state through an image obtaining device, and cutting out a hand region image from the single color image; extracting a 2D joint heat map according to the hand region image; cascadingthe 2D joint heat map and the hand area image, and obtaining a 3D hand joint point position and a rotation angle of the image acquisition device under an image acquisition device coordinate system according to an attention mechanism; and carrying out hand state estimation according to the position of the 3D hand joint point and the rotation angle. According to the invention, the 2D articulation point and the characteristics of the RGB image are fused in the channel level. The features of the color image and the 2D articulation point are cascaded and weight is replanned and the features of eachpart are reasonably planned and utilized. A channel attention mechanism is also introduced, so that the fusion effect of different types of feature maps is improved. Hand postures are accurately estimated through a fusion channel attention mechanism.

An electric heating device that is constructed in a unique fashion that allows it to be drapeable so that its three-dimensional, ‘scoop-like’ shape fits the curvature of a relaxed shoulder, a crooked knee or a crooked elbow, and is held in place by an adjustable strap whose ends are attached to the device. The heating element configuration that is contained within a singular, sealed, water-tight vinyl envelope that is produced as one piece, with the three panels briefly connected at a point where the heating element wiring crosses from one panel to the other.

The invention relates to a hip joint prosthesis friction wear testing machine capable of measuring the temperature in real time. The hip joint prosthesis friction wear testing machine comprises a base, a controller and an experiment box body, the controller and the experiment box body are installed on the base, a cavity body is arranged at the lower half part of the experiment box body, a servo electric cylinder is installed in the cavity body, an output shaft of the servo electric cylinder penetrates through a through hole of a top plate of the cavity body and is fixedly connected with the bottom end of a coupler I arranged at the upper half part of the experiment box body, the top end of the coupler I is fixedly connected with a mounting base, a joint heat test piece is welded at the topend of the mounting base, an acetabulum test piece matched with the joint head test piece is arranged on the joint head test piece, the top end of the acetabulum test piece is connected with an output shaft of an oscillating cylinder fixed at the top plate of the experiment box body through a coupler II, a back plate at the upper half part of the experiment box body is provided with a temperaturemeasurement probe mounting plate, and an infrared temperature measurement probe is mounted on the temperature measurement probe mounting plate. A thermocouple sensor and an infrared temperature measurement instrument are adopted to acquire the temperature data in the friction wear test process of the joint head test piece and the acetabulum test piece in real time, and the data support is provided for the analysis of the friction heat-induced failure of the hip joint prosthesis.

The invention discloses a two-section type tee joint heat-preserving bend accessory. The two-section type tee joint heat-preserving bend accessory is used for being connected among three to-be-connected heat-preserving pipes, and comprises an upper tee joint pipe shell, a lower tee joint pipe shell, an inner tee joint pipe and a foaming agent. Outer pipes and the foaming agent are removed throughthe connecting ends of the three to-be-connected heat-preserving pipes, inner pipes are exposed, the inner tee joint pipe is arranged on the three inner pipes in a communicated manner, connecting bases shaped like a Chinese character 'hui' are symmetrically arranged at the positions of three-end connection ports of the upper tee joint pipe shell and the lower tee joint pipe shell, the lower tee joint pipe shell and the upper tee joint pipe shell are cooperatively connected and arranged on the outer pipes, an injection hole is formed in the middle position of the upper tee joint pipe shell, theupper tee joint pipe shell and the lower tee joint pipe shell are connected together in the manner that screws penetrate through the connecting bases shaped like the Chinese character 'hui', and theportions among the inner straight pipes, the upper tee joint pipe shell and the lower tee joint pipe shell are filled with the foaming agent through the injection hole. The structure is simple, and the two-section type tee joint heat-preserving bend accessory can be used for connection among the heat-preserving pipes, and can protect water pipes at the turning joints just like the heat-preservingpipes.

The invention discloses a construction method, particularly discloses a construction method for joint heat treatment after bainite steel rail welding, and belongs to the technical field of steel railrolling production processes. According to the construction method for joint heat treatment after bainite steel rail welding, the tread hardness of a bainite steel rail welding joint can be controlledwithin a reasonable range. The construction method is based on the welded bainite steel rail welding joint which is obtained through welding and is kept at a temperature of 1300-1500 DEG C, and the joint heat treatment work after the bainite steel rail welding is completed through normalizing heating carried out one time and cooling carried out three times, wherein the one-time normalizing heating is carried out after first-time cooling, and the cooling temperature of third-time cooling is 350-500 DEG C.

The invention discloses a heat dissipation apparatus used for a vehicle battery. The heat dissipation apparatus comprises an apparatus main body, a support framework, a lifting handle structure, a motor, a water cooling circulation water pump, an electromagnetic relay and a water and gas joint heat dissipation control system; the lifting handle structure is movably connected to the upper end surface of the support framework and extends to the back end of the support framework; the motor is fixedly welded on the leftmost position of the inner top surface of the apparatus main body; the water cooling circulation water pump vertically runs through the leftmost position of an internal hollow cavity of the apparatus main body, and is in mechanical connection with the motor; the electromagneticrelay is fixedly connected to the middle left position of the inner top surface of the apparatus main body; and the water and gas joint heat dissipation control system is positioned on the right partof the internal hollow cavity of the apparatus main body. In the heat dissipation operation process of the vehicle battery, water and gas joint operation processing can be performed on the heat dissipation system of the equipment automatically, so that heat dissipation requirement can be satisfied when high efficiency operation of the vehicle battery is ensured, it is ensured that the expected heat dissipation effect can be achieved, and equipment practicability is improved effectively.