Motor with fixed structure of stator and heat radiating fan

The invention relates to a motor provided with stator fixed structure and comprises a stator, and a supporting plate and a central cylinder which are used for fixing the stator. The central cylinder is arranged on the supporting plate. The stator comprises a circuit board and a silicon steel plate unit and a shaft hole for the penetration of the central cylinder is arranged on the stator. At least a positioning block is arranged on the supporting plate. A positioning groove for blocking and positioning the positioning block is arranged on the circuit board. One side of the circuit board, which is adjacent to the positioning groove, is provided with a gap through which the positioning block is shifted into the positioning groove during the installation of the stator. In the motor with the stator fixed structure, the positioning block on the supporting plate is matched with the positioning groove on the circuit board, the installation can be realized only by pressing and revolving, thus being ...

Radiator fan

The invention discloses a radiator fan which comprises a bearing support, a bearing assembly, a stator and a rotor, wherein the rotor comprises a rotating shaft which is held in the bearing support; the bearing assembly comprises a ball bearing, an elastic element, an oil-retaining bearing and an oil-storing element; the ball bearing and the oil-retaining bearing are held in the bearing support; the rotating shaft is arranged in the ball bearing and the oil-retaining bearing in a penetrating way; the elastic element is arranged close to the ball bearing and provides pretightening force for the ball bearing; and the oil-storing element is arranged close to the oil-retaining bearing and provides lubrication for the oil-retaining bearing. In the invention, the ball bearing is pretightened and the oil-retaining bearing limits the radial motion of the rotating shaft, thus reducing the vibration of the rotating shaft when the radiator fan works and reducing the noise; and the oil-storing element ...

Seal structure of oilless bearing and fan using the oilless bearing seal structure

The invention relates to a sealing structure with an oil-containing bearing, which comprises a shaft seat, a bearing, a rotating shaft which is positioned in the oil-containing bearing and can rotate relative to the oil-containing bearing, and an oil deflector ring. The oil deflector ring is a powder sintered ring, which is sleeved on the periphery of the rotating shaft and is positioned on the oil-containing bearing so as to seal a lubricating fluid in the oil-containing bearing in the bearing seat. When the rotating shaft is rotated, lubricating oil moves upwards along a shaft under the action of centrifugal force, and the oil deflector ring can stop the lubricating oil from moving upwards along the shaft continuously; the oil deflector ring is the powder sintered ring and can also absorb the spilt lubricating oil so as to ensure good lubricating property between the bearing and the rotating shaft, improve the quality of a fan, and greatly prolong the service life of the fan. The invention ...

Axial fan

The invention relates to an axial fan which comprises a rotor, wherein the rotor comprises a wheel hub and a plurality of fan blades circularly arranged at the periphery of the hub; each fan blade comprises an external end which is far away from the hub; and a previous fan blade on the end surface of the external end of each fan blade towards the rotation direction of the axial fan is protruded with a convex plate. When the rotor rotates, the bulge can prevent partial air flow from leaking from the pressure faces of the fan blades to the periphery of the fan blades and prevent the leaked air flow from forming eddy current at the periphery of each fan blade and further forming an important source of the noises.

Cooling fan

A cooling fan comprises a fan frame, a stator component and a rotor component. The fan frame comprises an axle base and a bearing contained in the axle base; the axle base is formed by protruding from the bottom of the fan frame; an axle hole is arranged inside the bearing; the rotor component is provided with a rotating shaft contained in a through hole inside the bearing; the stator component is sheathed on the periphery of the axle base; the rotating shaft is sheathed with a cramp ring fixed at the top end of the axle base; and an oil storing space is formed above the bearing jointly by the cramp ring, the rotating shaft and the bearing, and an oil storing element is arranged inside the oil storing space. When the fan runs, lubricating oil leaking along the rotating shaft is collected in the oil storing zone by the blocking of the cramp ring and absorbed by the oil storing element, and then flows back into the bearing, thus preventing the lubricating oil from leakage.

Motor bearing structure

The present invention provides a motor bearing structure and comprises a rotor and a ball bearing. The rotor is provided with a rotating shaft; the ball bearing is arranged in a hollow shaft tube; a buffering structure is arranged in the hollow shaft tube, and comprises a first magnet and a second magnet; the first magnet and the second magnet are arranged opposite to each other, and the opposite surfaces have the same polarity; one of the magnets is adjacently connected with the ball bearing; the rotating shaft passes through the first magnet, the second magnet and the ball bearing. Because the opposite surfaces of the first magnet and the second magnet have the same polarity, the two magnets can generate acting force to repel each other, thus the motor bearing structure has the buffering function in the force-bearing direction, which protects the ball bearing and simultaneously resets the ball bearing into the original position.

Fan frame and fan employing the same

A fan frame includes a body and a fan wire fixed on the body. The body is provided with a fixing spring plate which forms a free end. A fixing groove, through which the fan wire passes, is formed between the fixing spring plate and the outer surface of the body. The outer surface of the body protrudes outward to form at least one stop dog. The top end of the stop dog extends in the side directionand exceeds the free end of the fixing spring plate. The stop dog and the fixing spring plate form a space to contain the fan wire in the side direction. A guidance surface is gradually formed from the bottom end to the top end of the stop dog. The stop dog and the fixing spring plate fix the fan wire together, which avoids shedding and facilitates the fixation and the disassembly of the fan wire. The invention also provides a fan with the fan frame.

Fan frame and heat-dissipating fan provided with same

The invention provides a fan frame, which comprises a framework and a pedestal. The pedestal comprises a chassis and a plurality of ribs projecting outside from the periphery of the chassis, wherein the framework is provided with a first buckle unit; the pedestal is provided with a second buckle unit; the framework and the pedestal are buckled and connected with the second buckle unit through thefirst buckle unit; and the framework and the pedestal are connected with each other through a buckle so as to be convenient for assembly, disassembly and replacement. The invention also provides a fan provided with the fan frame.

Heat dissipating device

The invention relates to a heat dissipating device comprising a heat dissipater and a vane wheel, wherein the vane wheel is arranged on the heat dissipater and comprises a hub and a plurality of blades annularly arranged on the hub, and the top of the hub is of a tapered-shaped structure from a direction far away from the heat dissipater to a direction near the heat dissipater. The heat dissipating device can enable air flows blown by the fan to flow in divergent shape along an axial direction below the hub, thereby being enhanced in integral heat dissipation property.

Fan frame and fan employing the same

A fan frame includes a body and a fan wire fixed on the body. The body is provided with a fixing spring plate which forms a free end. A fixing groove, through which the fan wire passes, is formed between the fixing spring plate and the outer surface of the body. The outer surface of the body protrudes outward to form at least one stop dog. The top end of the stop dog extends in the side direction and exceeds the free end of the fixing spring plate. The stop dog and the fixing spring plate form a space to contain the fan wire in the side direction. A guidance surface is gradually formed from the bottom end to the top end of the stop dog. The stop dog and the fixing spring plate fix the fan wire together, which avoids shedding and facilitates the fixation and the disassembly of the fan wire. The invention also provides a fan with the fan frame.

Radiator fan and modularized bearing system thereof

The invention relates to a radiator fan, which comprises a fan frame, a stator member, a bearing system and a rotator member, wherein the fan frame is provided with a central column; the stator member is arranged on the outer edge of the central column; the bearing system is arranged in the central column; the rotator member is arranged on the periphery of the stator member; the bearing system comprises a rotating shaft and a bearing; one end of the rotating shaft can be detachably arranged on the rotator member; and the other end of the rotating shaft is inserted into a bearing. During the application or testing for verification, the radiator fan can be detached and assembled repeatedly according to the needs, is convenient to operate, does not need to separate the rotating shaft from the bearing, and can not damage the integrity and the working mode of the bearing system, thereby ensuring the modularity of the bearing system..

Heat radiating device

The invention discloses a heat radiating device comprising a heat radiator and a fan arranged on the heat radiator; the fan is an air exhaust type heat radiating fan; and a windshield is arranged between the fan and the heat radiator and covered at the top end of the heat radiator so that the fan sucks air flow from the surrounding below the heat radiator near the windshield, the air flow can flow through the heat radiator through a longer path, the heat radiation property of the fan on the heat radiator is enhanced, and the heat radiation property of the heat radiator is enhanced.

Cooling fan and stator insulation sheet structure thereof

The invention relates to a radiator fan which comprises a fan frame, a rotor member and a stator member; wherein, the fan frame protrudes in the center of the fan frame bottom to form an axle seat; an axial through hole is arranged in a bearing and the bearing is accommodated in the axle seat; the rotor member is provided with a rotary shaft accommodated in the through hole in the bearing; the stator member is sleeved on the outer edge of the axle seat, and comprises an upper insulation sheet, a lower insulation sheet and a multi-layer silicon-steel sheet clamped between the upper insulation sheet and the lower insulation sheet; wherein, the upper insulation sheet integrally extends towards the inner side of the central position of the rotary shaft to form an oil blocking structure, and the oil blocking structure extends to the external surface close to the rotary shaft. When the fan runs, the oil blocking structure can block and prevent lubricating oil from leaking out, thus ensuringlonger ...

Seal structure of oilless bearing and fan using the oilless bearing seal structure

The invention relates to a sealing structure with an oil-containing bearing, which comprises a shaft seat, a bearing, a rotating shaft which is positioned in the oil-containing bearing and can rotaterelative to the oil-containing bearing, and an oil deflector ring. The oil deflector ring is a powder sintered ring, which is sleeved on the periphery of the rotating shaft and is positioned on the oil-containing bearing so as to seal a lubricating fluid in the oil-containing bearing in the bearing seat. When the rotating shaft is rotated, lubricating oil moves upwards along a shaft under the action of centrifugal force, and the oil deflector ring can stop the lubricating oil from moving upwards along the shaft continuously; the oil deflector ring is the powder sintered ring and can also absorb the spilt lubricating oil so as to ensure good lubricating property between the bearing and the rotating shaft, improve the quality of a fan, and greatly prolong the service life of the fan. The invention ...

Radiating apparatus

Lubricating device and radiating fan

The invention provides a lubricating device which comprises a bearing seat and a bearing assembly, wherein the bearing assembly is arranged in the bearing seat, and is provided with a first powder metallurgy oil-impregnated bearing; a rotary shaft penetrates in the first powder metallurgy oil-impregnated bearing; the device is characterized in that the bearing assembly also comprises at least one second powder metallurgy oil-impregnated bearing close to the first powder metallurgy oil-impregnated bearing. The invention also provides a radiating fan which is provided with the lubricating device. Through the lubricating device or the radiating fan provided by the invention, the service life of the device can be prolonged, and the stationarity of device rotation can be safeguarded.

Voltage and current multi-zero-crossing metering method and system

The invention discloses a voltage and current multi-zero-crossing metering method and system, and the method comprises the steps: carrying out the calculation of instantaneous power after sampling voltage data and current data, and carrying out the judgment of a zero crossing point based on the voltage data: if a zero crossing signal exists, judging whether the current zero crossing is effective or not according to the zero crossing signal and the slope at the zero crossing point; calculating the average power in the cumulative time based on the data after the zero-crossing judgment, and correcting and outputting a zero-crossing metering result; the method is improved based on a traditional zero-crossing metering method, the effectiveness of the zero-crossing points is judged and recognized only according to voltage zero-crossing judgment, effective zero-crossing points and ineffective zero-crossing points are corrected and output, and when requirements are not met, output display is not ...

Motor with stator fixing structure

The invention relates to a motor with a stator fixed structure, which includes a stator and a middle pillar used for fixing the stator; a shaft hole through which the middle pillar can pass is arranged on the stator; at least one radial position block and at least one axial position block are arranged on the middle pillar; a coordination groove and a position groove respectively corresponding to the radial position block and the axial position block are arranged on the inner edge of the stator. The motor with the stator fixed structure can realize that the radial direction and the axial direction of the stator are positioned at the same time; once the stator is fixed tightly, dotting glue is unnecessary to be used additionally, thus reducing the cost and meeting the requirements of environmental protection; besides, only pressing and rotating operations are needed in the assembly and the assembly is convenient.

Fan frame and heat-dissipating fan provided with same

The invention provides a fan frame, which comprises a framework and a pedestal. The pedestal comprises a chassis and a plurality of ribs projecting outside from the periphery of the chassis, wherein the framework is provided with a first buckle unit; the pedestal is provided with a second buckle unit; the framework and the pedestal are buckled and connected with the second buckle unit through the first buckle unit; and the framework and the pedestal are connected with each other through a buckle so as to be convenient for assembly, disassembly and replacement. The invention also provides a fan provided with the fan frame.

Cooling fan

The invention discloses a cooling fan, which comprises a fan frame, a stator, a rotor and a bearing system. The fan frame comprises a center pillar which protrudes upwards from the bottom of the fan frame, and an accommodating space is formed in the center pillar, the bearing system comprises a bearing held in the accommodating space of the center pillar, the bottom of the fan frame is provided with a sunk part which is communicated with the accommodating space, and at least a first clipping structure is formed at the bottom of the center pillar towards to the direction of the sunk portion; moreover, the bearing system also comprises an oil cap which is accommodated in the sunk part and used for sealing the bottom of the accommodating space, and the oil cap is provided with at least a second clipping structure which is clipped with the at least the first clipping structure. The bearing system also includes a retaining ring. An annular groove is arranged at an inner periphery at top of the ...

Cooling fan

A cooling fan comprises a fan frame, a stator component and a rotor component. The fan frame comprises an axle base and a bearing contained in the axle base; the axle base is formed by protruding from the bottom of the fan frame; an axle hole is arranged inside the bearing; the rotor component is provided with a rotating shaft contained in a through hole inside the bearing; the stator component is sheathed on the periphery of the axle base; the rotating shaft is sheathed with a cramp ring fixed at the top end of the axle base; and an oil storing space is formed above the bearing jointly by the cramp ring, the rotating shaft and the bearing, and an oil storing element is arranged inside the oil storing space. When the fan runs, lubricating oil leaking along the rotating shaft is collected in the oil storing zone by the blocking of the cramp ring and absorbed by the oil storing element, and then flows back into the bearing, thus preventing the lubricating oil from leakage.

Radiating fan

The invention comprises: a fan frame, an axis seat formed by sticking out from the center of the frame bottom, a bearing held in the axis seat. A stator member is covered on the axis seat; a rotator member is covered on the stator member; a shaft is extended from the center of wheel hub to the bearing and is held in the bearing; a oil ring is covered on the shaft and is secured at the top of the axis seat; a return chute sits on surface of the shaft and located between the oil ring and the bearing; the oil ring, axis and bearing commonly form an oil storage area. When the fan runs, the greaseleaked along the shaft will be gathered in the oil storage area by the blocking of the return chute and the oil ring, and then returned to the inside of the bearing.

Fan lubrication system

Heat radiation fan

The invention discloses a radiator fan, comprising a fan frame and a stator. The fan frame is provided with a support plate; the support plate is provided with a central cylinder in a convex extension way; the stator includes a circuit board and is provided with an axial hole for the central cylinder to penetrate; the support plate is also provided with a pair of fixing arms which are formed by extending upward; the fixing arms are separated from each other so that an interval is formed between the pair of fixing arms, and a hook part is formed at the top end of each fixing arm; a fixing hole is arranged on the circuit board corresponding to the fixing arms; the fixing arms pass through the fixing hole; the hook parts at the top ends of the fixing arms support and press on the circuit board and a pin is inserted in the interval between the fixing arms. The radiator fan can tightly fix the stator on the central cylinder of the fan frame, does not need to additionally use point glue or the ...

Cooling fan and stator insulation sheet structure thereof

The invention relates to a radiator fan which comprises a fan frame, a rotor member and a stator member; wherein, the fan frame protrudes in the center of the fan frame bottom to form an axle seat; an axial through hole is arranged in a bearing and the bearing is accommodated in the axle seat; the rotor member is provided with a rotary shaft accommodated in the through hole in the bearing; the stator member is sleeved on the outer edge of the axle seat, and comprises an upper insulation sheet, a lower insulation sheet and a multi-layer silicon-steel sheet clamped between the upper insulation sheet and the lower insulation sheet; wherein, the upper insulation sheet integrally extends towards the inner side of the central position of the rotary shaft to form an oil blocking structure, and the oil blocking structure extends to the external surface close to the rotary shaft. When the fan runs, the oil blocking structure can block and prevent lubricating oil from leaking out, thus ensuring longer ...

Heat radiation fan

The invention discloses a radiator fan, comprising a fan frame and a stator. The fan frame is provided with a support plate; the support plate is provided with a central cylinder in a convex extension way; the stator includes a circuit board and is provided with an axial hole for the central cylinder to penetrate; the support plate is also provided with a pair of fixing arms which are formed by extending upward; the fixing arms are separated from each other so that an interval is formed between the pair of fixing arms, and a hook part is formed at the top end of each fixing arm; a fixing holeis arranged on the circuit board corresponding to the fixing arms; the fixing arms pass through the fixing hole; the hook parts at the top ends of the fixing arms support and press on the circuit board and a pin is inserted in the interval between the fixing arms. The radiator fan can tightly fix the stator on the central cylinder of the fan frame, does not need to additionally use point glue or the ...

Anti-pollution and high-flux ultrafiltration membrane, preparation method thereof and membrane casting solution

The invention relates to a membrane casting solution for preparing an anti-pollution and high-flux ultrafiltration membrane. The membrane casting solution is prepared from the following components by weight: 16-30% of polyether sulfone, 1-6% of a mutual matching pore forming agent, 0.5-5% of an organic acid additive and 60-80% of a solvent. The invention also relates to the anti-pollution and high-flux ultrafiltration membrane and a preparation method thereof. The tubular or flat ultrafiltration membrane prepared from the membrane casting solution has the characteristics of uniform pore size distribution, high membrane flux, good stability, strong pollution resistance, high flux recovery rate after backwashing, wide range of application, good mechanical strength and chemical resistance, and is applicable to high viscosity and high solid content system. Compared with other preparation method, the preparation method has the characteristics of simple process, controllable membrane pore size ...

Motor bearing structure

The present invention provides a motor bearing structure and comprises a rotor and a ball bearing. The rotor is provided with a rotating shaft; the ball bearing is arranged in a hollow shaft tube; a buffering structure is arranged in the hollow shaft tube, and comprises a first magnet and a second magnet; the first magnet and the second magnet are arranged opposite to each other, and the opposite surfaces have the same polarity; one of the magnets is adjacently connected with the ball bearing and moves axially along the hollow shaft tube together with the ball bearing; the rotating shaft passes through the first magnet, the second magnet and the ball bearing. Because the opposite surfaces of the first magnet and the second magnet have the same polarity, the two magnets can generate acting force to repel each other, thus the motor bearing structure has the buffering function in the force-bearing direction, which protects the ball bearing and simultaneously resets the ball bearing into the ...

Radiator fan

A heat dissipation fan comprises a fan frame, a rotor component, a stator component, a ball bearing and an oil-retaining bearing. The rotor component comprises a hub and a rotating axle; two axle seats are respectively formed at the center of the bottom end and the center of the top end of the fan frame; the ball bearing is arranged in the axle seat on the top of the fan frame and the oil-retaining bearing is arranged in the axle seat at the bottom end of the fan frame; the hub is arranged between the two bearings; a rotating axle is penetrated into the hub and the two ends thereof are respectively penetrated into the axle holes of the two bearings. The heat dissipation fan is provided with the ball bearing and the oil-retaining bearing that are separately arranged in the two axle seats, thus leading the two bearings to be mutually spaced and not mutually affected, avoiding the lubricant in the oil-retaining bearing from entering the ball bearing, leading the ball bearing to run normally ...