377 results about "Electric cooling fan" patented technology

The utility model provides a pump body structure of a piezoelectric fan and the piezoelectric fan. The pump body structure of the piezoelectric fan comprises a piezoelectric vibrator, a pump body and a pump body, a vibrating diaphragm is arranged on one side of the piezoelectric vibrator; the vibrating membrane is provided with a first vent hole communicated with the interior of the piezoelectric vibrator; the piezoelectric vibrator is provided with a vibration node; a cavity; a first opening is formed in one side of the cavity; the side, close to the first vent hole, of the piezoelectric vibrator is located in the cavity, and the wall face of the first opening is connected with a vibration node through a flexible connecting piece so that the piezoelectric vibrator can be suspended in the first opening. A ventilation channel is formed in a space between the piezoelectric vibrator and the cavity; the cavity is provided with a second vent hole; the first ventilation hole, the ventilation channel, the second ventilation hole and the interior of the piezoelectric vibrator are communicated, and the second ventilation hole is formed below the vibrating membrane. According to the embodiment of the invention, vibration noise and airflow noise generated by the cavity due to vibration of the pump body of the piezoelectric fan can be reduced.

The multifunctional outdoor fan comprises a fan base, a fan support and a fan head, the fan head is provided with a rotating shaft, fan blades installed on the rotating shaft and a fan grating installed outside the fan blades, a water tank body is installed on the fan grating, the water tank body is provided with a water injection opening, and the water injection opening is connected with a water tank cover; an atomization assembly is arranged on the rotating shaft and communicated with the water tank body through a water pipe, the water tank body supplies water to the atomization assembly through the water pipe, and the atomization assembly is provided with an atomization opening. The fan base is provided with a head shaking motor, a PCB (printed circuit board), sound equipment, a battery, an audio playing assembly, a power input socket and a power output socket, and the battery is electrically connected with the head shaking motor, the sound equipment, the PCB, the audio playing assembly, the power input socket and the power output socket. According to the electric fan, shaking can be achieved, cold air can be blown in all directions, and the air humidifying effect is achieved.

This invention proposes a piezoelectric fan, comprising: a blade assembly connected to a heat source, the blade assembly including a liquid-cooled heat dissipation module formed in a stacked structure, the blade assembly having a fixed region and a swinging region, the fixed region being fixed and the swinging region being suspended and capable of reciprocating swinging; and a piezoelectric actuation unit connected to the blade assembly, the piezoelectric actuation unit providing power for the swinging of the swinging region. According to the piezoelectric fan of this invention, the heat from the heat source can be quickly and evenly distributed onto the blade assembly. Simultaneously, the piezoelectric actuation unit vibrates under external periodic electrical signal excitation, driving the swinging region to reciprocate, thereby improving heat dissipation efficiency. Furthermore, the structure is more compact, occupies less space, and can adapt to the heat dissipation needs of confined spaces, thus solving the problems of large system size, low integration, complex structure, high manufacturing difficulty, and high cost in existing technologies.

1. Name of the product in this design: Solar charging fan head. 2. Purpose of this design: For use in the head of a solar-powered charging fan. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Novel ships A, B, C1 and C2 are provided. A, propeller propelling systems 3, 4 and 5 are arranged below waterlines on the two sides of a prow; b, arranging ice surface sliding plates on two sides of the ship body, and arranging a high-power electric fan above the waterline of the stern; c1, front, middle and rear sliding plates are arranged on the two sides of the ship body, and a plurality of sets of 50-meter trailer locking sliding plates are arranged on the high-speed rail. And C2, front, middle and rear sections of sliding plates are arranged on two sides of the ship body, a plurality of groups of electric high-speed rail wheels are arranged below the sliding plates, and the track gauge of each group of electric high-speed rail is 1.435 m. The method is comprehensively discussed in the specification of the specific development implementation scheme in the theoretical and technical fields.

The utility model relates to a floor pipe and a floor electric fan. The standing pipe is applied to the floor electric fan and comprises a standing pipe body, a connector connected with the head of the fan is arranged at the top end of the standing pipe body, and the head of the fan can rotate in a pitching mode relative to the connector. The stand pipe body and the connector are integrally formed. According to the vertical pipe provided by the utility model, the joint connected with the head part of the fan is integrally arranged at the top end of the vertical pipe body (namely, the top end of the vertical pipe body and the joint are integrally formed), so that only one set of die needs to be developed for the vertical pipe, and another set of head part joint die does not need to be opened, thereby reducing the die development; the production cost of the floor electric fan is reduced; meanwhile, the assembling steps of the floor electric fan are reduced, and then the manual assembling cost of the floor electric fan is reduced.

The utility model discloses a portable electric fan. A fan wheel and a wheel-shaped mounting seat are arranged in a first cylindrical shell, a front cover is arranged at a front port, and a rear cover is arranged at a rear port. A rotor magnet is arranged in a first barrel-shaped hub part of a fan wheel, and a motor rotating shaft is arranged in the center of a barrel bottom. The wheel-shaped mounting seat comprises a cylindrical contour part, a second cylindrical hub part and a plurality of first plate-shaped spokes. And a tubular mounting seat is arranged at the center of the barrel bottom of the second barrel-shaped hub part. A motor rotating shaft is assembled in the tubular mounting seat, and a stator coil is sleeved outside the tubular mounting seat. The front cover is embedded into the front end of the cylindrical contour part and comprises a front cover hub part and a plurality of second plate-shaped spokes. The first plate-shaped spokes and the second plate-shaped spokes form a plurality of flow guide plates in a one-to-one correspondence mode, and air outlet airflow can be concentrated.

The utility model relates to the technical field of electric fans, in particular to an intelligent fan with a movable base, which comprises a base main body, a support column is fixedly mounted at the top of the base main body, a movable mechanism is arranged on the surface of the base main body, and an electric push rod is fixedly mounted at the bottom of an inner cavity of the support column. A lifting column is fixedly mounted at the output end of the electric push rod, the top of the lifting column penetrates to the outer side of the supporting column and is provided with a mounting mechanism, a fan body is arranged at the top of the mounting mechanism, and a signal transceiver is fixedly mounted on the rear side of the supporting column. The supporting area of equipment can be adjusted, a user pulls an extension plate and an extension rod firstly, so that a second supporting block and a first supporting block can move towards the outer side, the supporting area of the equipment is increased, meanwhile, the user can replace fans with different powers through an installation cylinder and a fixed insertion plate, and the use is convenient. Therefore, the equipment can meet different use requirements.

An energy-saving motor and an electric fan relate to the field of energy-saving motors and comprise a motor shaft, a cooling fan and a blade cleaning device, the cooling fan is provided with fan blades, a rotating shaft lever and a blade seat, a plurality of mounting holes are arranged in the blade seat, limiting grooves and blade reset torsion springs are arranged in the blade mounting holes, and the rotating shaft lever is sleeved with the blade reset torsion springs. According to the energy-saving motor, the angle of the fan blades can be adjusted according to the rotating speed of the motor shaft, the dust on the fan blades can be cleaned in time, the rotating speed of the motor shaft can be adjusted, the rotating speed of the motor shaft can be adjusted, the rotating speed of the motor shaft can be adjusted, and the rotating speed of the motor shaft can be adjusted. The heat dissipation requirement of the motor can be met, the power consumption of the motor can be reduced, and the energy-saving effect of the motor is greatly improved.

1. The name of the design product: hand-held foldable electric fan. 2. The use of the design product: the product design is used for blowing and cooling. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model discloses a kind of wear-resistant hose and its extruding mechanism, it is related to extruder field, to solve the problem of uneven melting caused by the agglomerated raw material into extruder, resulting in hose appears inclusion, air hole, surface is not smooth and other defects, its technical scheme main point is: including: extrusion shell, the side of extrusion shell top is fixed with feed hopper.The utility model is driven cam rotation by servo motor, to make screening net shake and screen raw material, agglomerated raw material will not pass through screening net and enter drying shell due to volume problem, electric fan draws external air into drying shell, air is heated by electric heating wire and blows in drying shell, agglomerated raw material is dried, while electric fan is driven to rotate by connecting rod and mounting rod and drives to scatter paddle and scatter agglomerated raw material, accelerate raw material drying and scatter efficiency, dispersed raw material is returned to feed hopper by return pipe, avoid agglomerated raw material into extruding mechanism to cause uneven melting and make hose appear inclusion, air hole, surface is not smooth and other defects.

The invention provides a temperature control device and method for AR glasses and the AR glasses, and the device comprises a temperature control module, a temperature detection module, a controller and a wearing detection module, and achieves the intelligent regulation and control of the face environment temperature in the wearing process of the AR glasses. The temperature control module is integrated with the piezoelectric fan and arranged on the inner side of the connecting position of the glasses legs and the lenses, a rhombic blowing area covering the whole face can be formed by matching with the air outlet in the specific direction, circulation of air around the face is effectively accelerated, and the sensible temperature is reduced. The wearing detection module can accurately recognize the wearing state of the user, and invalid operation of the device in a non-wearing state is avoided; the temperature detection module collects the face environment temperature in real time, and the controller matches the temperature control grade and controls the temperature control module to start and stop and adjust the air volume according to the comparison result of temperature data and a preset threshold value. The whole device is simple in structure and reasonable in design, the original appearance and wearing comfort of the AR glasses are not affected, the face environment temperature can be accurately adjusted, and the use experience of a user is remarkably improved.

A propulsion system (100) for an aircraft disclosed herein may include a nacelle (180), a shaft (110) positioned centrally in a cylindrical passage (184) of the nacelle (110), a fan (120) coupled to one end (112) of the shaft (110), a turbine (130) coupled to an opposite end (114) of the shaft (110), an electric motor (140) coupled to the shaft (110), a compressor (160) positioned in the cylindrical passage (184), and positioned in the nacelle (180). And a solid oxide fuel cell (150) having a hollow annular interior (182). The hollow annular interior (182) may surround and be isolated from the cylindrical channel (184). The turbine (130) may be configured to provide a main torque to the shaft (110), while the electric motor (140) may be configured to provide an additional torque to the shaft (110). The electric motor (140) may be powered by an electrical output (152) of the solid oxide fuel cell (150), while the turbine (130) may then be driven at least in part by an output gas (154) of the solid oxide fuel cell (150).

The application discloses an electric fan blade processing device and relates to the technical field of electric fan blade processing. The device comprises a processing table, a plurality of first electric push rods are arranged on the top of the processing table, a fixing frame is arranged on the execution end of each first electric push rod, and a pedestal is fixedly connected to the inner side of the processing table. The shaping mechanism is arranged to uniformly transmit heat to the blade contact area, so that local overheating damage is avoided. Compared with the traditional flat pressing type "overall pressing", the problem of secondary deformation caused by uneven pressure is avoided. Through the processing mode that the upper die rotates gradually from the shaft center to the blade tip and is combined with heating and softening, the directional gradual shaping force is formed to improve the shaping effect, the downward pressure load is converted into a gradual pressure along the radial direction of the blade (instead of the traditional vertical impact pressure), cracks or residual internal stress of the blade are avoided, the shaping yield is effectively improved, and the overall processing efficiency of the equipment is improved.

1. Name of the product in this design: Rechargeable Fan (Spray Type). 2. Purpose of this design: for cooling and heat dissipation of the human body, air circulation, and ventilation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

1. Name of the product in this design: Electric Fan (SF403RC). 2. Purpose of this design: For cooling by blowing air. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a spraying charging fan with a base and a universal angle adjusting function. The spraying charging fan comprises a main machine shell, a spraying system and a fan assembly. The spraying system is installed on the main machine shell, the fan assembly is obliquely arranged in the main machine shell, and the air outlet end of the fan assembly penetrates through the spraying system. A universal adjusting mechanism is installed at the bottom of the main machine shell, and the fan assembly is adjusted to freely rotate in the horizontal direction and the vertical direction through the universal adjusting mechanism. The spraying, multi-angle adjusting and charging functions are combined, one device can meet various requirements, space and cost are saved, and user experience is improved; and a user can conveniently and rapidly adjust the wind direction in different scenes through universal angle adjustment, the charging function enables the fan to get rid of cable limitation, the fan can be freely used in various occasions, and the practicability and portability of the fan are enhanced.

A model vehicle is provided including a model vehicle chassis and a model vehicle body. The model vehicle chassis has an electric motor and cooling fins, thermally coupled to the electric motor. In addition, the model vehicle chassis further has an electric fan directed towards the cooling fins. The model vehicle body has an air vent provided in the model vehicle body. When the model vehicle is operating, airflow enters the air vent and across the cooling fins to dissipate heat generated by the electric motor. Additionally, a rear edge of the model vehicle body is located at a height that is higher than a top of the electric motor and wherein the electric fan increases the airflow across the cooling fins to increase the heat dissipation.

1. The name of the design product: ceiling fan head (diamond flying disc). 2. The use of the design product: for ceiling electric fan. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view. 5. The top view of the design product is not a common view when in use, omit the top view.

1. The name of the design product: fan (energy storage sound 007). 2. The use of the design product: for a kind of energy storage electric fan with sound. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective drawing.

1. The name of the design product: fan (energy storage sound 17). 2. The use of the design product: for a fan with sound storage energy. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The utility model relates to electric fan base technical field, concretely relates to a support counterweight split electric fan base, including mutually cooperate's first counterweight block and second counterweight block, the one side middle part of first counterweight block is equipped with semicircle gap groove, the one side middle part of second counterweight block is provided with semicircle outer convex block, semicircle gap groove and semicircle outer convex block size mutually cooperate, the combination outside of first counterweight block and second counterweight block is equipped with the bearing plate, and the upper portion outer border of bearing plate is provided with the limit sleeve board, the middle part of semicircle outer convex block is provided with the rod part fixed slot hole, the both sides of first counterweight block's outside are provided with the connecting plate, and the inside screw hole department of connecting plate installs locking bolt, the utility model solves the prior art in the need of erecting counterweight piece usually, to reduce the overall gravity, maintain the placing stability of entire electric fan main body, but the overall weight of the base that loads counterweight piece is bigger, and it is inconvenient when carrying, transferring.

1. Name of the designed product: electric fan (001). 2. Use of the designed product: for blowing and cooling. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view. 5. The bottom view is not a common view, and the bottom view is omitted.

The invention belongs to the technical field of electric fans, and discloses a diameter-adjustable wedge atomization water-cooling electric fan which comprises a front cover, a middle cover and a rear cover which are used for gas diversion and protection. The supporting base is used for supporting the rack; the blade comprises a hollow fan blade, a conveying pipe, a hollow hub cavity, a hub rotating shaft, an atomization nozzle and a sliding block circular ring, and serves as a power element and an atomization generation piece; the invention provides an electric fan device integrating variable-diameter airflow adjustment, double-atomization humidification and motor water-cooling heat dissipation, and the electric fan device is characterized in that continuous and accurate adjustment of an airflow mode and the air speed is achieved through a variable-diameter flow guide structure, and the atomization uniformity is improved by combining the double atomization technology of centrifugal natural atomization and wedge forced atomization; motor heat dissipation and atomization liquid supply are synchronously achieved through a water cooling circulation system, the structure is simplified, and meanwhile the use experience is optimized.

1. Name of the product in this design: Ceiling Fan Head (Big Flying Saucer). 2. Purpose of this design: For use in ceiling fans. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The top view is an uncommon view, so it is omitted.