55results about How to "Ensure cooling effect" patented technology

An inverter module has a first inverter driving a first electric load and a second inverter driving a second electric load, mounted on a common insulation substrate. In the first inverter, the arms of the U, V and W phases are arranged on the insulation substrate such that arms adjacent in the horizontal direction in the drawing are located displaced from each other in the vertical direction in the drawing. In the second inverter, the arms of the U, V and W phases are arranged on the insulation substrate such that arms adjacent in the horizontal direction in the drawing are displaced from each other in the vertical direction in the drawing. Moreover, the arm of the first inverter and the arm of the second inverter are arranged to be adjacent along the horizontal direction in the drawing. By such an arrangement, the in-plane temperature distribution can be rendered uniform without having to increase the area occupied by the insulation substrate.

A power converter includes a plurality of power cards, a plurality of coolers and a pressure member. Each of the power cards houses a semiconductor element. The plurality of coolers is laminated with the power cards. The cooler includes a body, a gasket and a metal plate. The body is made of resin, and has an opening that is provided in a side surface of the cooler that faces the adjacent power card. A surface on one side of the metal plate is configured to close the opening through the gasket, and the other surface faces the power card. The pressure member is configured to apply a pressure in a laminating direction on a lamination unit. The opening is sealed by the metal plate by pressure applied by the pressure member on the lamination unit.

The invention discloses a heat dissipation mechanism for a gearbox of a wind driven generator. A horizontal partition plate is fixedly arranged in an outer case, a water-cooling heat dissipation mechanism is installed at the upper end of the partition plate, a heat dissipation pipe is connected with the water-cooling heat dissipation mechanism, and the heat dissipation pipe extends downwards to the position below the partition plate; and the gear box is located in the middle of the lower end of the outer case, connecting frames are fixedly connected with the lower end of the partition plate, the two connecting frames are located on the two sides of the gear box correspondingly, and the connecting frames are parallel to the side wall, provided with a heat dissipation opening, of the outer case. According to the heat dissipation mechanism, two heat dissipation fans drive air around the gear box to distribution rapidly, low-temperature air dissipates heat of the gear box, the heat dissipation effect on the gear box is improved through air cooling circulation, meanwhile, circulated distribution cooling water in a water cooling heat dissipation mechanism conducts the heat of the gear box, and air cooling and water cooling are carried out synchronously, so that the heat dissipation efficiency and the heat dissipation effect of the gear box are ensured.

An electronic device having a first motor which rotates a rotating body (for example, blades) about a rotation axis and a second motor which vibrates a vibrator including the rotating body in the axial direction is provided. A control IC unit has a first circuit which subjects the rotation to control drive by a first waveform, and a second circuit which subjects the vibration to control drive by a second waveform. Rotation and vibration of a rotating and vibrating unit driven by the first and second motors generates an airflow and output sound by a synthesized output of a first output corresponding to the rotation and a second output corresponding to the vibration. The control IC unit generates a second waveform by using a reversed-phase waveform with respect to the first waveform or the like and suppresses the output sound by control of the first and second waveforms.

A semiconductor device includes a metal member, a first semiconductor chip, a second semiconductor chip, a first solder and a second solder. A quantity of heat generated in the first semiconductor chip is greater than the second semiconductor chip. The second semiconductor chip is formed of a material having larger Young's modulus than the first semiconductor chip. The first semiconductor chip has a first metal layer connected to the metal member through a first solder at a surface facing the metal member. The second semiconductor chip has a second metal layer connected to the metal member through a second solder at a surface facing the metal member. A thickness of the second solder is greater than a maximum thickness of the first solder at least at a portion of the second solder corresponding to a part of an outer peripheral edge of the second metal layer.

The invention belongs to the technical field of industrial exhaust gas treatment and provides an industrial exhaust gas purification treatment system. The system comprises a gas inlet, an oil fume gas condensing tower, a wet water film high pressure industrial exhaust gas purifier, a bag dust removing device, a cold combustion electrolysis tower, a plasma photocatalytic device and a gas outlet, the above parts are orderly communicated by pipes, a fan is arranged at the gas outlet, the top of the oil fume gas condensing tower is communicated with the top of the wet water film high pressure industrial exhaust gas purifier, the bottom of the wet water film high pressure industrial exhaust gas purifier is communicated with the bottom of the bag dust removing device, the top of the bag dust removing device is communicated with the top of the cold combustion electrolysis tower, and the bottom of the cold combustion electrolysis tower is communicated with the bottom of the plasma photocatalytic device. The system solves the problem that the existing treatment device has poor industrial waste gas treatment effects and cannot satisfy the existing industrial waste gas treatment demands.

The invention discloses an asphalt pavement cooling device, which comprises two main parts, i.e. an evaporation pipe section and a condensation pipe section. The condensation pipe section includes a condensation pipe outer pipe and a condensation pipe inner pipe, and the evaporation pipe section includes an evaporation pipe main pipe and evaporation pipe branch pipes. When the pavement temperature is higher than the air temperature, a working medium filling the device undergoes gas-liquid circulation spontaneously so as to dissipate the pavement heat into the air and reduce asphalt pavement rutting, flushing, translation and other diseases caused by temperature rise. Single condensation pipe is connected to a plurality of evaporation pipes, the cooling area of single condensation pipe is increased, and the cooling efficiency is greatly improved. Also, the condensation pipe can be combined with street lamps, advertising boards and other road affiliated facilities into a whole, thus having no influence to the appearance.

The invention relates to the field of structural buildings, in particular to an assembly type green building. The green building comprises a plurality of top plates, wherein the edges of the top plates are movably spliced, the top plates jointly form a plate shape with the two sides obliquely extending downwards, a water storage barrel is embedded in the lower side close to the top plates, an upper corner cutting plate and a lower corner cutting plate are fixedly installed at an upper end opening of the water storage barrel, the edges, close to each other, of the upper corner cutting plate and the lower corner cutting plate jointly form an inclined channel leading into the inner side of the water storage barrel, a plurality of anti-evaporation pieces extend out of the lower end face of the lower corner cutting plate, a water diversion barrel is installed on the lower end face of the top plate in an embedded mode, one end of the water guide cylinder is movably inserted into the inner side of the water storage cylinder, a plugging head is movably installed at the other end of the water guide cylinder, and a water guide rod is arranged on the inner side of the water guide cylinder. According to the assembly type green building, the water collecting and cooling effects can be achieved, and noise generated when rainwater collides is reduced.

The invention relates to the field of structural buildings, in particular to a fireproof steel structure environment-friendly building. The fireproof steel structure environment-friendly building comprises a plurality of top plates, the edges of the top plates are movably spliced, the top plates jointly form a plate shape with the two sides obliquely extending downwards, a supporting structure is jointly installed on the lower end faces of the top plates, a water storage barrel is embedded in the lower side close to the top plates, an upper corner cutting plate and a lower corner cutting plate are fixedly installed at an upper end opening of the water storage barrel, the edges, close to each other, of the upper corner cutting plate and the lower corner cutting plate jointly form an inclined channel leading into the inner side of the water storage barrel, a plurality of splay partition plates extend out of the upper end face of the upper corner cutting plate, and every two splay partition plates are symmetrically arranged to form a group. A steel structure is adopted and a water spraying part is arranged, so that the fireproof effect is achieved, the water collecting and cooling effects can be achieved, noise generated during rainwater impact is reduced, and stable installation is facilitated.

A protrusion 53 is shaped to protrude from a main body 51 toward a supporter non-contact part 23 so as to circumvent a supporter 30. The protrusion 53 includes a protrusion heat transfer surface 55 which is a surface on the battery heat transfer surface 20 side (i.e., an upper side Y2). A heat conduction member 40 contacts with the supporter non-contact part 23 and the protrusion heat transfer surface 55.

The invention discloses a multifunctional polishing machine, which comprises a main rack. A main shaft drive part moving in a vertical direction and a horizontal direction is arranged on the main rack, and drives a transmission main shaft to rotate; the transmission main shaft is located above a metal piece; a grinding cutter is arranged on the end part of the transmission main shaft, and comprises a cutter handle; a cutter guiding part is arranged on the upper end part of the cutter handle; a cutter body is arranged on the lower end part of the cutter handle; a fan and a gooseneck pipe are fixed to the main shaft drive part; one end of the gooseneck pipe communicates with an air outlet of the fan; the other end of the gooseneck pipe extends to the grinding cutter and towards the grinding end of the grinding cutter; and waster recovery mechanisms are arranged on two sides of a conveyor belt. According to the multifunctional polishing machine provided by the invention, wastes can be better recovered so as to be prevented from causing human body injury and environment pollution, the structure layer of the cutter is clearer, and the computing and setting time during programming is reduced.

A front structure of a vehicle is provided with a vehicle front lamp disposed at each end portion of a vehicle front portion in a vehicle width direction. The vehicle front lamp includes a headlight, a cover member, and a lighting accessory. The cover member is disposed above the headlight. The lighting accessory is disposed above a rear portion of the headlight and below the cover member. The vehicle front lamp is provided with a ventilation path that is formed outward or inward of the headlight in the vehicle width direction below the cover member and that allows traveling wind from a vehicle front side to pass toward a vehicle rear side.

To provide a docking device capable of securing heat dissipation performance of a portable information apparatus while extending the function of an electronic apparatus in which an extension unit is mounted on the portable information apparatus, and an electronic apparatus system having the docking device. A docking unit that has a docking portion capable of docking an electronic apparatus in which a mounting surface of an extension unit is detachably mounted on a back surface of the portable information apparatus, a holding portion holding the portable information apparatus at a predetermined position in a docking direction when the electronic apparatus is docked with the docking portion, and a forcibly moving portion forcibly moving the extension unit in the docking direction when the electronic apparatus is docked with the docking portion.

The invention relates to a drier-filter and an energy-saving refrigeration circuit of a refrigerator. The invention is characterized in that the air inlet and/or outlet end sections of the filter tube of the drier-filter are provided with a one-way valve inside, consisting of a valve nozzle, a blocking valve core and a valve core stop, and the one-way valve conducts along the flowing direction of the refrigerant. The drier-filter of the invention not only retains the original functions but also has the function of one-way valve, thus achieving double functions. By integrating the one-way valve and the drier-filter and taking the filter tube shell as the valve tube shell, the invention saves the one-way valve shell and the valve material. In addition, The drier-filter is used in the energy-saving cooling cycle circuit of refrigerator, and the one-way valve is built in the filter, omitting the welding of connecting the inlet and outlet of the one-way valve and the pipeline, thus not only omitting the extra welding procedure, but also reducing the possible leak points; therefore, the cooling work becomes more reliable and the maintenance is reduced.

The invention discloses a moisture-proof stain-resistant composite circuit board and a production process thereof. A plurality of groups of heat dissipation through holes are formed in the side wall of the rear end of the circuit board box body; and fixed seats are arranged at four corners of the inner side of the front end of the circuit board box body. A box body mounting frame is fixedly mounted at the rear end of the circuit board box body; positioning sleeves are arranged at four corners of a circuit board mounting base; positioning holes matched with the positioning sleeves are formed inthe fixed seats; mounting screw holes are formed in the bottoms of the positioning holes; a rotating cover drives a sealing baffle to rotate to seal or open an air hole, heat dissipation is started when the circuit board works, the use performance and the heat dissipation effect of the circuit board are ensured, and the sealing baffle seals the air holes when the circuit board does not work, so that external dust and impurities are effectively prevented from entering the circuit board, impurities are prevented from adhering to the surface of the circuit board, and the use performance is prevented from being affected.

A backlight module comprises a back plate, a light source, a reflector plate, a light guide plate, an optical diaphragm and a fixing frame, wherein the back plate comprises a first bottom metal plateand a second bottom metal plate, a containing cavity is defined by the first bottom metal plate and the second bottom metal plate, the first bottom metal plate and the second bottom metal plate are compounded together through a riveting hole, and the first bottom metal plate is located on the upper surface of the second bottom metal plate; the light source is arranged in the containing cavity, andthe reflector plate is arranged on the bottom surface of the back plate; the light guide plate is arranged on the reflector plate, and the light emitting surface of the light source corresponds to the light incident surface of the light guide plate; the optical film is arranged in the containing cavity and is positioned on the light emitting surface of the light guide plate; the fixing frames arearranged on the two opposite sides of the back plate.

A vehicle includes a motor configured to drive a vehicle wheel, a battery configured to supply electric power to the motor, and a radiator configured to exchange heat between a coolant for cooling the motor and outside air. The radiator is disposed below a floor surface of the vehicle and in a gap between the motor and the battery in a front-rear direction of the vehicle.

The invention relates to the technical field of house buildings, in particular to a high-heat-dissipation prefabricated green house building which comprises a rainwater collecting pool, the outer side wall of the rainwater collecting pool is wrapped with a heat insulation plate in the circumferential direction, the top of the rainwater collecting pool is covered with a heat insulation cover, and through holes allowing rainwater to flow into the rainwater collecting pool are densely distributed in the heat insulation cover; an unsealing assembly used for opening and closing the through hole is further arranged in the rainwater collecting pool. The device has the effect of saving water resources.

A semiconductor device includes an insulating substrate, semiconductor elements mounted on the insulating substrate, and a cooler for cooling the semiconductor elements. The cooler includes a heat dissipating substrate having bonding and heat dissipating surfaces opposite to each other, the bonding surface being bonded to the second surface of the insulating substrate, a plurality of fins on the heat dissipating surface, a reinforcing plate having first and second surfaces opposite to each other and covering the fins, the first surface being bonded to tips of the fins, and a cooling case including a recessed part to house the fins and reinforcing plate. A first gap between two adjacent fins, measured in a direction parallel to the heat dissipating substrate, is larger than a second gap between the reinforcing plate and a bottom of the first recessed part, measured in a thickness direction.