34results about How to "Avoid affecting cooling efficiency" patented technology

The invention discloses a heat radiation structure of a mobile terminal. The heat radiation structure comprises an installation bracket, wherein a mainboard heat radiation region and a camera shooting heat radiation region are arranged on the installation bracket in parallel, the mainboard heat radiation region is used for controlling temperature rise of a mainboard module, the camera shooting heat radiation region is used for controlling temperature rise of a camera module, the mainboard heat radiation region adjoins to one side of the mainboard module, the camera shooting heat radiation region is arranged on one side, away from the camera module, of the mainboard heat radiation region. According to the mobile terminal and the heat radiation structure thereof, the camera shooting heat radiation region used for controlling temperature rise of the camera module is arranged in a region outside the mainboard module and the camera module, so that the heat of the camera module is isolated from that of the mainboard module, and the heat of the mainboard module and the camera module is prevented from interactively affecting the heat radiation efficiency of the two modules even normal operation of the two modules, thereby ensuring heat radiation efficiency and stable operation of the mainboard module and the camera module simultaneously.

The invention relates to the technical field of FLIR (Forward Looking Infra-Red) thermal imagers, especially a shielding protection cover for an FLIR thermal imager. The cover comprises a protection housing, wherein side of the protection housing is provided with an air incoming channel, and the other side of the protection housing is provided with an air outgoing channel. The top of the protection housing is provided with an air exhaust channel. Air can move along the inner wall of a diffusion tube, and is exhausted from one end with the bigger diameter of the diffusion tube shaped like a circular truncated cone. Meanwhile, the end with the bigger diameter of the diffusion tube shaped like the circular truncated cone is greater than the height of the FLIR thermal imager, can achieve the heat dissipation of the whole FLIR thermal imager, and facilitates the increase of the heat dissipation contact area. When an air blowing disc makes contact with air, grids rotate with a rotating shaft, and air is exhausted from a gap between the two grids, thereby facilitating the dividing of air, and preventing the excessive temperature change of the FLIR thermal imager from causing the damages to the housing. A wind ball rotates to exhaust the hot air flow from the inside of the protection housing, thereby preventing the circulation of the hot air in the protection housing from causing impact on the heat dissipation efficiency.

The invention discloses a water-based grinding fluid specialized for automobile clutch diaphragm which can reduce grinding temperature and force to maximum extent, improve process efficiency of grinding, ensure grinding precision and surface quality, prolong life of grinding wheel, reduce cost, satisfy requirements of environmental protection and production method thereof. Raw materials of water-based grinding liquor and weight percentages are phytic acid 1.8-2.2%, sodium benzoate 5-7%, alkylol amine 7-9%, sodium carbonate 3.5-4.5%, hyposulfite of soda 0.8-1.2%, polyethyleneglycol 11-13%, oleate triethanolamine 2.5-3.5%, sodium dodecylbenzene sulfonate 1.8-2.2%, foam killer 1.8-2.2%, 2-methyl-3(2H)-isothiazolone 0.4-0.6%, de-ionized water 58-61%. The production method is synthesis with stirring under condition of normal temperature - medium temperature - normal temperature.

The invention relates to the technical field of photovoltaic systems, and discloses a high-safety photovoltaic module-level fire safety switch which comprises a shell, limiting pieces are installed insliding rails through sliding blocks, one side of each limiting piece is connected with the inner side of the shell through a second reset spring. A micro motor, a switch and a temperature sensor areinstalled on the surface of the circuit board, electronic cooling fins are installed on the surface of the circuit board, a small cooling fan is installed at the top of the installation frame, clamping blocks are arranged on the two sides of the first fixing block, and a filter screen is arranged in the middle of the installation frame. According to the high-safety photovoltaic module-level firesafety switch, by arranging the electronic cooling fin, the small cooling fan, the filter screen, the clamping block and the limiting block, the high-safety photovoltaic module-level fire safety switch has an efficient cooling function and a rapid clamping and fixing function, the filter screen and the cover plate are convenient to disassemble and assemble, the surface of the filter screen is keptclean, and the cooling effect is improved.

The invention relates to a high-frequency transformer, in particular to a high-frequency transformer capable of safely dissipating heat. The invention aims to provide the high-frequency transformer capable of safely dissipating heat, which can dissipate heat and avoid the situation that the high-frequency transformer cannot work due to too high temperature. A high-frequency transformer capable of dissipating heat safely comprises a base, a high-frequency transformer body, a heat conduction mechanism and the like, the high-frequency transformer body is installed on the top of the base, and the heat conduction mechanism is installed on the left portion of the base. When the high-frequency transformer is started to operate, the heat absorption fins absorb heat emitted by the high-frequency transformer, the heat is guided into the heat conduction mechanism to enable water to be boiled and become hot water, the hot water is discharged into the heat dissipation mechanism, the heat dissipation mechanism guides out heat in the hot water, and the hot water becomes cold water; and the cold water is continuously discharged back into the heat conduction mechanism to dissipate heat of the high-frequency transformer, so that the heat of the high-frequency transformer can be continuously dissipated, and the influence of high temperature on work is avoided.

The invention belongs to the technical field of electrical equipment, particularly relates to an efficient heat dissipation electrical equipment dustproof protection device, and aims to solve the problems that dust often accumulates on a heat dissipation net of the electrical equipment, the use of the electrical equipment is affected, the service life of the electrical equipment is shortened, theexisting electrical equipment can only perform single heat dissipation, the dust on the heat dissipation net needs to be cleaned manually,the labor intensity of workers is increased, and the heat dissipation efficiency is low. The device comprises a base box, supporting plates are fixedly installed on the two sides of the top of the base box, and a first supporting column and a second supporting column are fixedly installed on the two supporting plates. The device can clean the heat dissipation net of the electrical equipment in a reciprocating mode, sweep off dust accumulated on the heat dissipation net, reduce the labor intensity of workers, wet a brush for cleaning and clean the heat dissipation net through a wet brush in the cleaning process, is high in cleaning efficiency and rapid inheat dissipation, and prolongs the service life of the electrical equipment.

The invention discloses an efficient radiating intelligent frying kitchen range. The efficient radiating intelligent frying kitchen range comprises a shell, an electromagnetic wire coil, a circuit board and a radiating fan, wherein the electromagnetic wire coil is arranged in a concave mode; a heat emission device is arranged on the circuit board; the shell comprises an outer shell, a bottom shell and a radiating inner shell which is arranged on the inner side of the outer shell; an air inlet opposite to the radiating fan is formed in the bottom shell; the radiating inner shell comprises an air exhaust plate and an air baffle plate; an air outlet communicated with the outside is formed in the air exhaust plate; the air baffle plate is connected with the air exhaust plate to form a radiating space; and the circuit board is flatly spread in the radiating space. By the kitchen range, the circuit board in the radiating space can be effectively cooled in a concentrated mode; and the kitchen range is high in radiating efficiency.

The invention relates to a handheld turning gear, and relates to the technical field of overhaul devices. The handheld turning gear comprises a motor, a driver, a handle and a speed reducer, wherein the driver is arranged on the motor, the handle is electrically connected with the drive so as to control the motor to positively and negatively rotate, the speed reducer is arranged on one side of themotor and is used for increasing the output torque of the motor, the speed reducer is coaxially fixed to an output shaft of the motor, a mounting mechanism is arranged between the motor and the speedreducer, the mounting mechanism comprises a blind flange which is arranged on one side, which is close to the output shaft, of the motor, locking blocks which are arranged on the blind flange in a sliding mode and are located on both sides of the output shaft, driving pieces which are arranged on the blind flange and are used for driving the locking blocks to slide and a locking ring which is arranged on the speed reducer, the locking blocks are in inserting matching with the locking ring during sliding, and the sliding direction of the locking blocks is perpendicular to the axial direction of the motor. The handheld turning gear has the advantage that the mobile transportation and disassembly and assembly workload is reduced so as to improve the maintenance efficiency.

The invention discloses a low-voltage side filtering compensation energy-saving rectifier transformer. The transformer comprises a transformer shell, a connecting sleeve is fixedly arranged at the top of the transformer shell, an oil level gauge is connected to one end of the top of the transformer shell, a fixing seat is fixedly arranged at the bottom of the transformer shell, one side of the transformer shell is connected with an integrated heat dissipation main body, and a sliding groove is formed in the inner side of the heat dissipation main body; if dust falls into the heat dissipation main body, a scraping plate can be moved up and down in the overhaul and maintenance process; the interior of the heat dissipation main body is cleaned through the scraping plate, dust is prevented from being attached to the inner surface of the heat dissipation main body, the heat dissipation effect is not affected, and the convenience of the device is improved;heat dissipation through holes are formed in the surface of the heat dissipation main body, air flow on the surface of the heat dissipation body can be accelerated through the heat dissipation through holes, more heat is taken away, the heat dissipation efficiency is improved, and the practicability of the device is improved.

The invention relates to the technical field of MOS tubes, and discloses a combined MOS tube structure with good insulation performance, which comprises an insulation shell, side boxes are fixedly connected to the two sides of the insulation shell, rolling balls are movably connected to the interiors of the side boxes, sliding tooth frames are slidably connected to the inner walls of the side boxes and located on the two sides of the rolling balls, and the inner walls of the sliding tooth frames are fixedly connected with the insulation shell. And the surface of the sliding tooth frame is meshed with a half gear, the interior of the half gear is fixedly connected with a fan shaft, the interior of the insulating shell is provided with a dehumidification and dust removal mechanism, and the interior of the insulating shell is fixedly connected with a filter screen. According to the combined MOS tube structure with the good insulating property, the rolling balls are driven to move left and right in the side box through the movement force generated when an automobile is started, the rolling balls impact the sliding tooth frame and move to drive the fan shafts on the half gears to rotate, air cooling is generated in the insulating shell, and the heat dissipation effect on the combined panel is achieved; and the problem that the service life of the element is damaged due to heat accumulation during operation of the combined MOS structure is avoided.

The invention discloses a gel plastic-package miniature solid relay. The gel plastic-package miniature solid relay comprises a shell, wherein a terminal is arranged on an outer surface of a lower endof the shell in a penetrating way, a gel block and a circuit board are arranged at a position, near to an upper end, of an inner surface of the shell, the gel block is arranged at an upper side of thecircuit board, the circuit board is fixedly connected with the gel block, a terminal is fixedly connected with an outer surface of a lower end of the circuit board, a rubber ring is arranged at a position, near to the rubber block, of an outer surface of the upper end of the shell, first sleeves are fixedly connected with surrounding corners of the outer surface of the upper end of the shell, second sleeves are arranged on outer surfaces of upper ends of the first sleeves, and springs are arranged in the first sleeves and the second sleeves. The gel plastic-package miniature solid relay can have a function of vibration reduction, the device maintenance efficiency is effectively improved, moisture is prevented from being stayed on the outer surface of the shell, the corrosion and the damage to the shell are reduced, and the service lifetime of the device is prolonged.