48results about How to "Avoid local heating" patented technology

A heat sink in an electric junction box has thermal diffusion portions having one of convex and concave shapes on the surface. The structure enlarges a surface area of the heat sink compared to a configuration in which a surface has no concavity or convexity, thereby allowing fast heat dissipation from the surface of the heat sink to the exterior of the junction box. Further, the heat sink has the thermal diffusion portions on the entire plate surface. The structure enlarges the surface area of the heat sink compared to a configuration in which the thermal diffusion portions are provided to only a portion of the surface, thereby further enhancing the heat dissipation.

The invention discloses an electronic apparatus including a sealed housing, a heat-conducting component, and a fan. The heat-conducting component penetrates the sealed housing, and a fan is disposed in the sealed housing. The fan drives an air-flow, and the air-flow flows in the sealed housing and flows through the heat-conducting component.

The invention relates to an outlet structure of a power line for a driving motor of an electric vehicle. An insulated adapter of the outlet structure passes through an end cap of the driving motor and is in sealing and fixed connection with the end cap, a binding post passes through the insulated adapter and is in sealing and fixed connection with the insulated adapter, the first end of the binding post is positioned in the driving motor and is conducted and connected with an outlet circuit of the driving motor, and the second end of the binding post is positioned outside the driving motor and is conducted and connected with an external cable circuit; preferably, the insulated adapter is in sealing connection with the end cap through an adapter sealing ring, the insulated adapter and the end cap are fixedly connected through thread engagement, the binding post is in sealing connection with the insulated adapter through a binding post sealing ring, and the binding post and the insulated adapter are fixedly connected by adopting fixed conducting nuts. The invention has the advantages of simple structure, small volume, light weight and high safety and simultaneously improves the sealing performance and the protection grade of the driving motor, thereby improving the performance of the motor, finally improving the performance of the whole vehicle, and being suitable for large-scale generalization and application.

A connecting structure in which the electric cable having an insulated coating and the electrically conductive member with non-insulated coating are connected through a connecting terminal having a junction support member by applying an electric current, heating and applying a pressure; and the electric cables having an insulated coating and are connected mutually to one another through a connecting terminal having an electrically conductive member with non-insulated coating and a junction support member by applying an electric current, heating and applying a pressure, and a connecting method in which those connections are established by applying an electric current, applying a heat and applying a pressure, and a rotating electric machinery having that connecting structure and an alternating current generator using this machinery.

To prevent the local heating of an electronic apparatus chassis, there is provided a push button switch (10), which comprises a substrate (11) having a first contacting part (11a) and a second contacting part (11b) operable to be brought into electrical conduction with the first contacting part (11a), and a flexible electrically insulating sheet (13) covering the substrate (11) and having a click portion (13a) on the inside of which the first and second contacting parts are disposed to be brought into and out of electrical conduction therebetween in response to depression of the click portion. The electrically insulating sheet (13) includes a heat conducting layer (14) extending along the substrate (11).

The present invention provides a semiconductor light receiving device that prevents local heat generation, has high-speed, high-sensitivity characteristics even at the time of an intensive light input, and exhibits high resistance to light inputs. The semiconductor light receiving device includes light absorption layers (3, 4) formed on an InP semiconductor substrate (1) wherein a buffer layer (21) containing a quaternary compositional material is formed between the InP semiconductor substrate (1) and the light absorption layers (3, 4).

A rotary electrical machine capable of preventing an increase in a magnetic flux density at both ends of a rotor that can occur due to a leakage flux to thereby prevent a local overheat of the rotor is disclosed. The rotary electrical machine includes: a rotor having a rotor core and permanent magnets disposed on an outer surface of the rotor core; a stator having windings arranged around the rotor; and a shaft which is rotatable together with the rotor. The rotor core is a solid rotor core having a solid structure, the rotor core has protrusions at both sides of each of the permanent magnets, and annular recesses, extending in a circumferential direction of the rotor, are formed on outer surfaces of the protrusions, respectively.

A multi-layer piezoelectric element having excellent durability in which the amount of displacement does not change even after subjecting to continuous operation over a long period of time under a high voltage and a high pressure is provided. The multi-layer piezoelectric element comprises a stack formed by stacking piezoelectric layers and internal electrodes alternately one on another and external electrodes formed on a first side face and on a second side face of the stack, wherein one of the adjacent internal electrodes is connected to the external electrode formed on the first side face and the other internal electrode is connected to the external electrode formed on the second side face. The external electrode is composed of the porous electric conductor which comprises conductive material and glass and is configured to a three-dimensional network structure.

The present invention relates to a device for transport and preservation of an ex vivo biological sample and corresponding method. The device comprises a chamber for containing the biological sample, delimitated by walls made of a thermal insulating material. The device, furthermore, incorporates cooling means that keep the temperature inside the chamber below the temperature outside the device. Finally, an ultrasound system suitable for generating and applying ultrasound on the biological sample is provided. The invention also proposes a method for transport and preservation which combines applying cooling and ultrasound to reduce cell damage in the biological sample.

The invention discloses an alarm system for power transmission. A box body is arranged on a base, power equipment is arranged in the box body, a rotating motor is arranged on the top wall in the box body, an output shaft of the rotating motor is connected with a rotating shaft, a horizontal connecting rod is arranged at the bottom end of the rotating shaft, and a lifting device is arranged at one end, away from the rotating shaft, of the connecting rod; a monitoring and early warning device arranged at the output end of the lifting device, a cooling fan is arranged on the inner side wall of the box body, ventilation holes are formed in the outer side wall of the box body, plugging blocks are arranged on the outer sides of the ventilation holes, the outer ends of the plugging blocks are connected with a rotating plate through compression springs, and the outer side of the rotating plate is connected with a driving motor through a belt and a belt wheel; and a main controller and an alarm lamp are further arranged at the top of the box body, and the main controller is electrically connected with the rotating motor, the lifting device, the monitoring and early warning device, the cooling fan, the driving motor and the alarm lamp in a controlling mode. The system has the advantages of real-time monitoring, timely early warning, heat dissipation and cooling, and prolonging of the service life of equipment.

It is a run-flat tire 1 provided with a carcass 6 extending from a tread portion 2 through a sidewall portion 3 to a bead core 5 in a bead portion 4, and a side-reinforcement rubber layer 10 disposed inside the carcass 6 in the sidewall portion 3 and having a substantially crescent-shaped cross-section. In a tire meridian cross section including the tire rotational axis under a normal state such that the tire is mounted on a normal rim, inflated to a normal internal pressure and loaded with no load, the tire inner-cavity surface 11 includes a side inner-cavity surface 12. A distance in the tire radial direction of the side inner-cavity surface 12 from a bead toe 4e of the bead portion 4 is in a range of 0.4 times to 0.9 times the length H in the tire radial direction of the tire inner-cavity surface 11. The side inner-cavity surface 12 includes a smooth surface 15 which does not have unevenness, and the total surface area of the smooth surface 15 is more than 90% of the total area of the side inner-cavity surface 12.

The invention discloses a high-efficiency dust-removing type drying equipment for textile production, comprising a casing, wherein a connecting air duct and a drying chamber are arranged in the casing, the connecting air duct is located above the drying chamber, and the casing Two vertical cavities are symmetrically arranged in the body, and the two vertical cavities are located on both sides of the drying chamber. The hot air blower, the air outlet of the hot air blower extends to the space on the right side of the connecting air duct, the drying chamber is horizontally provided with a sliding rod, and the two ends of the sliding rod are respectively fixedly connected with the inner walls on both sides of the drying chamber , and two spray heads are arranged on the sliding rod. When the drying equipment is drying, its nozzle is always in a moving state, which can effectively avoid the occurrence of local drying. At the same time, it is also equipped with a dust removal mechanism, which reduces the steps of drying treatment, thereby increasing the overall work. efficiency.

A heat source device comprising: a combustion chamber (2) provided between a burner (31) and a heat exchanger (1); an inlet pipe (20) for allowing a fluid to be heated to flow in the heat exchanger (1); an outlet pipe (21) for allowing the fluid to be heated to flow out from the heat exchanger (1); and a winding pipe (27) wound around an outer surface of a peripheral wall of the combustion chamber (2), wherein either the inlet pipe (20) or the outlet pipe (21) has an orifice (91) for throttling a fluid flow path of the fluid to be heated flowing in the inlet pipe (20) or the outlet pipe (21).

The invention relates to a heat dissipation system of a screw type air compressor, which comprises an air compressor main body and a protection box arranged outside the air compressor main body, an electric fan is arranged in the protection box, and a support is arranged between the electric fan and the protection box Its revolving torsion mechanism, the electric fan is connected with a driving mechanism that drives it to revolve, the opposite two side walls of the protective box are provided with cooling vents, and two staggered and partially overlapping sliding doors are slidably arranged in the cooling vents. A plurality of ventilation holes are opened on the upper part, and when the two sliding doors are far away from each other, the ventilation holes on the two sliding doors are staggered. The driving mechanism is used to drive the electric fan to rotate and blow air, which can blow and cool down the various areas of the screw air compressor and improve the heat dissipation effect; push the two sliding doors so that the ventilation holes of the two sliding doors overlap each other, and the ventilation holes are used for air circulation. The heat dissipation effect is further improved, and at the same time, the sliding door blocks part of the dust and reduces the accumulation of dust.