CN215934660U

CN215934660U - Novel motor structure of cross-flow fan

Info

Publication number: CN215934660U
Application number: CN202121669826.9U
Authority: CN
Inventors: 谢盼盼; 张媛; 李林国; 江怡燕; 孙勇
Original assignee: Hangzhou Weiguang Electronic Co Ltd
Current assignee: Hangzhou Weiguang Electronic Co Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-03-01
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to a novel motor structure of a cross-flow fan, which solves the problems of poor universality and poor heat dissipation of the conventional cross-flow fan. The motor passes through the connecting plate to be fixed on the fan curb plate, and the motor includes stator core, is fixed with stator core on the stator core and rotates and is connected with the rotor, and the rotor is connected with motor shaft, and motor shaft is fixed mutually with fan wheel one end, is provided with a plurality of radiating blade on the end links around the rotor respectively, is provided with the skeleton around it on stator core, and the winding has the winding in the winding on the skeleton, has to seal the glue shell at the outside lock of skeleton, has filled glue in sealing the glue shell. The turbulence heat dissipation blades are added, so that wind can be uniformly and non-dispersedly blown out to the periphery, the temperature of a motor winding and an iron core is effectively reduced, and the service life of a product is greatly prolonged. The winding is sealed, the water immersion protection function is achieved, high and low temperature resistance is achieved, and the heat dissipation performance of the winding is good.

Description

Novel motor structure of cross-flow fan

Technical Field

The utility model relates to the technical field of fans, in particular to a novel motor structure of a cross-flow fan.

Background

The cross flow fan has the advantages of simple structure, small volume, large flow and low noise, and can be widely applied to equipment cooling and heat dissipation, fresh air systems, ventilation and ventilation, cold and warm rooms, air-conditioning wall-mounted units, display cabinets, air-cooled refrigerators, cooling fans, vertical air conditioners, warm air blowers, electric fireplaces, air curtains, clothes dryers, embedded ovens and other household appliances. The existing cross-flow fan has some defects:

1. the conventional cross-flow fan has single use, poor universality and high customization, so that the cross-flow fan has multiple product models and is complicated;

2. the motor does not have self-heat dissipation, and the temperature rises, leads to product life low.

Disclosure of Invention

The utility model mainly solves the problems of poor universality and poor heat dissipation of the conventional cross-flow fan, and provides a novel motor structure of the cross-flow fan.

The technical problem of the utility model is mainly solved by the following technical scheme: the utility model provides a novel motor structure of through-flow fan, motor pass through the connecting plate to be fixed on the fan curb plate, and the motor includes stator core, is fixed with stator core on the stator core and rotates and be connected with the rotor, and the rotor is connected with motor shaft, and motor shaft and fan wheel one end are fixed mutually be provided with a plurality of integrated into one piece's radiator vane on the end links around the rotor respectively, and radiator vane is radial evenly distributed around the terminal surface center, stator core one end has square notch, and the rotor setting is near the position of square notch bottom on stator core, has set between direction notch both sides stator core, one section space formation square hole vacates between stator core and the rotor, is provided with the skeleton around it on stator core, and the winding has the winding on the skeleton, has the glue shell in the outside lock of skeleton, has filled glue in the glue shell. The utility model adds the turbulence heat dissipation blades on the two end rings of the rotor, the heat dissipation blades are formed at one time during the pressure casting of the rotor, other processes and materials are not added, the aluminum consumption of the end rings is not changed, only the appearance of the end rings is changed, and the performance of the motor is not influenced. Through increasing the turbulence radiating blade, the blade is optimized through CFD emulation for wind is evenly not dispersed blows off to around, has effectively reduced motor winding and iron core temperature, has greatly improved product life. The utility model seals the winding, has the function of water immersion protection, can resist high and low temperature, and has good heat dissipation performance of the winding.

Preferably, the cooling fin comprises a front wing surface and a rear wing surface which extend upwards, the front wing surface is higher than the rear wing surface, an upper wing surface which is inclined downwards towards the center of the end ring is formed between the front wing surface and the rear wing surface, the upper wing surface comprises a horizontal section and an inclined section, and the horizontal section and the inclined section are in transition connection through a cambered surface. The radiating blades are blades with the front wing surface end higher than the rear wing surface end and the lower rear wing surface end, the upper wing surface inclines from the front wing surface to the rear wing surface, the upper wing surface comprises a horizontal section and a downward-inclined section, the horizontal section is in transition connection with the inclined section through an arc surface, the horizontal section is connected with the upper wing surface, and the inclined section is connected with the rear wing surface. The structure of the radiating blade in the scheme can enable wind to be uniformly and non-dispersedly blown out to the periphery in the rotor rotating process, so that the temperature of a motor winding and an iron core is effectively reduced, and the service life of a product is greatly prolonged.

Preferably, the heat dissipating fins are uniformly arranged along the outer edge of the end ring, and the front airfoil surface is located on the side close to the outer edge of the end ring. The cooling fins are distributed along the outer edge of the end ring, and each cooling fin is provided with a plurality of cooling fins, and each cooling fin is positioned on the diameter line of the end ring.

As a preferred scheme, the edge of the connecting plate is flanged inwards to form a reinforcing edge, two opposite ends of the main plate body are respectively provided with an adjustable mounting hole, each adjustable mounting hole is formed by communicating at least two through holes, a plurality of fixing holes are symmetrically formed in the connecting plate, a plurality of clamping pins are arranged on the edge of the reinforcing edge, a plurality of clamping grooves are correspondingly formed in the side plate, and the clamping pins are inserted into the clamping grooves and then rotate to form clamping. This scheme is strengthened along at the connecting plate edge increase, has strengthened connecting plate bulk strength for the connecting plate is more difficult for taking place to warp. The adjustable mounting holes are formed in the connecting plate and are at least formed by communicating two through holes, and more through holes can be formed, the through holes are located on the same straight line and are communicated with one another, motor mounting hole positions are added in the adjustable mounting holes, motors of more models can be matched and used, and product types are enriched so that customers can have more selectivity. The connecting plate is nested with the clamping groove of the side plate through the clamping pin and then is rotationally clamped, the installation and the disassembly are convenient and rapid, and the connecting plate is fixed through the fastener after being installed in place.

As a preferred scheme, the card foot evenly sets up on strengthening the edge, and the card foot includes along strengthening the root that extends forward and connect the joint portion of extending outside root front end radial, the draw-in groove includes axial go-in groove and the radial notch groove of rotatory formation in axial card income tank bottom to one side. The card foot is preferred to be provided with four, can stabilize the installation to the connecting plate. The clamping pin is integrally of an L-shaped structure, so that the clamping pin can be conveniently inserted into the clamping groove to be clamped after rotation. The draw-in groove corresponds and is provided with four, fixes a position after the card foot card goes into the draw-in groove and rotates, and wherein the axial draw-in groove size matches with joint portion size, and the joint portion of every draw-in groove all forms towards same side rotation. When the installation, the card foot joint portion inserts the axial go-in groove earlier, until strengthening along supporting on right curb plate surface, the radial slot of cutting over into the card foot root to the rotating connection board, the joint portion is rotatory to the right curb plate back on radial slot of cutting into upper portion, forms the joint.

Therefore, the utility model has the advantages that:

1. the turbulence heat dissipation blades are added on the two end rings of the rotor, the heat dissipation blades are formed in one step during rotor die casting, other processes and materials are not added, the amount of aluminum used by the end rings is not changed, only the appearance of the end rings is changed, and the performance of the motor is not influenced. Through increasing the turbulence radiating blade, the blade is optimized through CFD emulation for wind is evenly not dispersed blows off to around, has effectively reduced motor winding and iron core temperature, has greatly improved product life.

2. The winding is sealed, the water immersion protection function is achieved, high and low temperature resistance is achieved, and the heat dissipation performance of the winding is good.

3. The multipurpose connecting plate is adopted, the shape of the connecting plate is optimized, the strength of the connecting plate is improved, the cost is not increased, motor mounting hole positions are increased, fixing hole positions are optimized, motors with more models can be matched, the universality is stronger, and the product types are enriched so that users have more selectivity.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a rotor according to the present invention;

FIG. 3 is a schematic view of a construction of the connection plate of the present invention;

fig. 4 is a schematic view of a side plate according to the present invention.

1-rotor 2-stator core 3-stator magnetic core 4-radiating blades 5-skeleton 6-rubber sealing shell 7-front airfoil surface 8-rear airfoil surface 9-upper airfoil surface 10-horizontal section 11-inclined section 12-end ring 13-reinforcing edge 14-adjustable mounting hole 15-via hole 16-clamping foot 17-clamping groove 18-root 19-clamping part 20-axial clamping groove 21-radial cutting groove 22-clamping protrusion 23-clamping point 24-fixing hole.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.

Example (b):

the embodiment is a novel motor structure of cross-flow fan, as shown in fig. 1, the motor is fixed on the fan side plate through the connecting plate, the motor comprises a stator core 2, a stator core 3 is fixed on the stator core and is connected with a rotor 1 in a rotating manner, the rotor is connected with a motor rotating shaft, the motor rotating shaft is fixed with one end of a fan impeller, a plurality of integrally formed radiating blades 4 are respectively arranged on front and rear end rings 12 of the rotor, and the radiating blades are radially and uniformly distributed around the center of the end surface. The turbulence heat dissipation blades are added on the two end rings of the rotor, the heat dissipation blades are formed in one step during rotor die casting, other processes and materials are not added, the amount of aluminum used by the end rings is not changed, only the appearance of the end rings is changed, and the performance of the motor is not influenced. The turbulence heat dissipation blades are added and optimized through CFD simulation, so that wind is uniformly and non-dispersedly blown out to the periphery, the temperature of a motor winding and an iron core is effectively reduced, and the service life of a product is greatly prolonged.

Stator core 2 one end has square notch, and the rotor setting is near the position of square notch bottom on stator core, has set the stator magnetic core 3 between direction breach both sides, vacates one section space between stator magnetic core and the rotor and forms the square hole, is provided with skeleton 5 around it on the stator magnetic core, and the winding has the winding on the skeleton, has to glue the shell 6 at the outside lock of skeleton, has filled glue in gluing the shell. The winding is sealed, the water immersion protection function is achieved, high and low temperature resistance is achieved, and the heat dissipation performance of the winding is good.

Specifically, as shown in fig. 2, the cooling fin 4 includes a front airfoil surface 7 and a rear airfoil surface 8 extending upward, the front airfoil surface is higher than the rear airfoil surface, an upper airfoil surface 9 inclined downward toward the center of the end ring is formed between the front airfoil surface and the rear airfoil surface, the upper airfoil surface includes a horizontal section 10 and an inclined section 11, and the horizontal section and the inclined section are connected by a cambered surface transition. The cooling fins are uniformly arranged along the outer edge of the end ring, and the front airfoil surface is positioned at one side close to the outer edge of the end ring.

As shown in fig. 3, the edge of the connecting plate is flanged inwards to form a reinforcing edge 13, and two opposite ends of the main plate body are respectively provided with an adjustable mounting hole 14, and the adjustable mounting holes are formed by communicating at least two through holes 15. The motor front end cover is arranged on the connecting plate and provided with two fixing columns, the two fixing columns are respectively aligned to the adjustable mounting holes, the other ends of the fixing columns are propped against one side of the motor, the other side of the motor is correspondingly provided with a motor rear end cover, and the bolt is fixedly connected with the connecting plate after passing through the motor rear end cover, the fixing columns of the motor front end cover and the adjustable mounting holes to integrally fix the motor on the connecting plate. Still the symmetry is equipped with a plurality of fixed orificess on the connecting plate, corresponds the fixed orifices on the curb plate and is provided with a plurality of through-holes, and the fixed orifices has a plurality ofly, and relative central symmetry sets up, and the fixed orifices of formation is the multistation fixed orifices for no specified direction during the mounting panel installation, operate convenient and fast more. After the connecting plate rotates to the position, the fixing hole is aligned with the connecting hole, the bolt penetrates through the fixing hole and the through hole to be screwed down, and the connecting plate is fixed with the side plate. The edge of the reinforcing edge is provided with a plurality of clamping pins 16, the side plate is correspondingly provided with a plurality of clamping grooves 17, and the clamping pins are inserted into the clamping grooves and then rotate to form clamping connection. The adjustable mounting holes are formed in the connecting plate and are at least formed by communicating two through holes, and more through holes can be formed, the through holes are located on the same straight line and are communicated with one another, motor mounting hole positions are added in the adjustable mounting holes, motors of more models can be matched and used, and product types are enriched so that customers can have more selectivity. The edge of the connecting plate is increased with the reinforcing edge, so that the overall strength of the connecting plate is enhanced, and the connecting plate is less prone to deformation. The connecting plate is nested with the clamping groove of the side plate through the clamping pin and then is rotationally clamped, the installation and the disassembly are convenient and rapid, and the connecting plate is fixed through the fastener after being installed in place.

The uniform setting of clip is along 13 on strengthening along, and the clip includes along strengthening along the root 18 of extending forward and connect the joint portion 19 of extending outward in root front end radial direction, and as shown in fig. 4, the draw-in groove includes axial draw-in groove 20 and the radial notch groove 21 of rotatory formation to one side in axial draw-in groove bottom. The clamping part is provided with a clamping protrusion 22 on the surface, and two clamping points 23 are arranged on the back surface of the right side plate at the upper part of the radial cut-in groove. When the installation, the card foot joint portion inserts the axial card and goes into the groove earlier, until strengthening along supporting on right side board surface, the radial slot of cutting over into the card foot root, the rotatory right side board back to radial slot of cutting into upper portion of joint portion, the protruding card of card is gone into to form the location between two stuck points.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms rotor, stator core, cooling fins, skeleton, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a novel motor structure of cross-flow fan, the motor passes through the connecting plate to be fixed on the fan curb plate, and the motor includes stator core, is fixed with stator core on the stator core and rotates and be connected with the rotor, and the rotor is connected with motor shaft, and motor shaft is fixed mutually its characterized in that with fan wheel one end: the rotor is characterized in that a plurality of integrally formed radiating blades (4) are arranged on front and rear end rings (12) of the rotor (1) respectively, the radiating blades are radially and uniformly distributed around the center of an end face, one end of the stator core (2) is provided with a square notch, the rotor is arranged on the stator core and close to the bottom of the square notch, the stator magnetic core (3) is embedded between two sides of the square notch, a section of space is reserved between the stator magnetic core and the rotor to form a square hole, a framework (5) is arranged on the stator magnetic core around the stator magnetic core, a winding is wound on the framework, a sealing glue shell (6) is buckled outside the framework, and glue is poured into the sealing glue shell.

2. The structure of the cross-flow fan novel motor is characterized in that the radiating blades (4) comprise a front wing surface (7) and a rear wing surface (8) which extend upwards, the front wing surface is higher than the rear wing surface, an upper wing surface (9) which inclines downwards towards the center of the end ring is formed between the front wing surface and the rear wing surface, the upper wing surface comprises a horizontal section (10) and an inclined section (11), and the horizontal section and the inclined section are in transition connection through cambered surfaces.

3. The structure of the novel motor of the cross-flow fan as claimed in claim 2, wherein the heat dissipation blades (4) are uniformly arranged along the outer edge of the end ring, and the front airfoil surface is positioned on one side close to the outer edge of the end ring.

4. The novel motor structure of the cross-flow fan as claimed in claim 1, wherein the edge of the connecting plate is flanged inward to form a reinforcing edge (13), the connecting body is provided with adjustable mounting holes (14) at two opposite ends, the adjustable mounting holes are formed by communicating at least two through holes (15), the connecting plate is further symmetrically provided with a plurality of fixing holes (24), the reinforcing edge is provided with a plurality of clamping pins (16), the side plate is correspondingly provided with a plurality of clamping grooves (17), and the clamping pins are inserted into the clamping grooves and then rotated to form clamping connection.

5. The novel motor structure of the cross-flow fan as claimed in claim 4, wherein the clamping feet are uniformly arranged on the reinforcing edge (13), the clamping feet comprise a root part (18) extending forwards along the reinforcing edge and a clamping part (19) connected to the front end of the root part and extending outwards in the radial direction, and the clamping groove comprises an axial clamping groove (20) and a radial cut-in groove (21) formed by rotating towards one side at the bottom of the axial clamping groove.