CN212392732U - Brushless motor stator assembly for automobile cooling fan - Google Patents
Brushless motor stator assembly for automobile cooling fan Download PDFInfo
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- CN212392732U CN212392732U CN202021944808.2U CN202021944808U CN212392732U CN 212392732 U CN212392732 U CN 212392732U CN 202021944808 U CN202021944808 U CN 202021944808U CN 212392732 U CN212392732 U CN 212392732U
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Abstract
The utility model discloses a brushless motor stator assembly for automobile cooling fan, including insulating skeleton and installing stator core on the insulating skeleton and coiling the three-phase coil on insulating skeleton and stator core, its characterized in that still includes sealing member and a base that seal treatment was carried out to the play line of a pair of three-phase coil, respectively seted up a wire hole in the base corresponding the play line position of three-phase coil; and the outgoing line of the three-phase coil penetrates through the sealing element and is inserted into the base, and the sealing element seals the outgoing line hole. The utility model discloses a plastic support piece and rubber seal piece mould plastics sealing member as an organic whole, pass three-phase coil be qualified for the next round of competitions (6 lines) and mould plastics sealing member as an organic whole by plastic support piece and rubber seal piece and insert in the base to through the packing force between base and the stator core, realize the wire hole of base and the sealing between the rubber seal piece.
Description
Technical Field
The utility model relates to an automobile cooling fan technical field, in particular to automobile cooling fan is with brushless motor stator assembly.
Background
At present, no sealing element is arranged between the outgoing line of the three-phase coil of the direct current brushless fan motor and the base, and water vapor easily permeates into the three-phase coil from the threading hole on the base to cause short circuit.
In addition, at present, because the winding form of the direct current brushless fan motor adopts Y-shaped connection, the processing of the central node is very difficult, and therefore the existing products all adopt a triangular winding form; the triangular winding form is easy to realize in the process, but in the operation engineering, current can generate circulation current, thereby causing loss, causing the integral output power of the motor to be reduced, and reducing the efficiency!
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the winding form to direct current brushless fan motor adopts the above-mentioned weak point that the triangle-shaped wire winding form exists and provides a brushless motor stator assembly for car cooling fan.
The utility model discloses the technical problem that will solve can realize through following technical scheme:
a brushless motor stator assembly for an automobile cooling fan comprises an insulation framework, a stator core arranged on the insulation framework, and three-phase coils wound on the insulation framework and the stator core, and is characterized by further comprising a sealing element and a base, wherein outgoing lines of the three-phase coils are sealed, and outgoing line positions of the base corresponding to the three-phase coils are respectively provided with an outgoing line hole; and the outgoing line of the three-phase coil penetrates through the sealing element and is inserted into the base, and the sealing element seals the outgoing line hole.
In a preferred embodiment of the present invention, the winding manner of the three-phase coil is a Y-type connection, the center node of the three-phase coil of the Y-type connection is a Y-node copper terminal, and the Y-node copper terminal and one side of the insulating frame are integrally molded.
In a preferred embodiment of the present invention, the sealing member includes a plastic supporting frame installed on one side of the insulating frame, a plurality of pins for inserting into the insulating frame are disposed on the plastic supporting frame, three groups of sealing seats for passing the outgoing line of the three-phase coil are disposed on the plastic supporting member, and each sealing seat is provided with two first sealing via holes; each sealing seat is sleeved with a rubber sealing element, each rubber sealing element is also provided with a second sealing through hole, and the second sealing through hole is positioned above the first sealing through hole; and the outgoing line of the three-phase coil sequentially penetrates through the corresponding first sealing through hole and the second sealing through hole to extend out of the rubber sealing element.
In a preferred embodiment of the present invention, the rubber sealing member and the plastic supporting frame are integrally molded by injection molding.
In a preferred embodiment of the invention, the base is pressed against the stator core.
In a preferred embodiment of the present invention, a sealing boss is disposed at an end of each rubber sealing element corresponding to the base, two third sealing via holes are disposed on the sealing boss, and the two third sealing via holes are located above the second sealing via holes; the sealing bosses are embedded into the corresponding wire outlet holes to seal the wire outlet holes; and the outgoing line of the three-phase coil sequentially penetrates through the first sealing through hole in the plastic support and the second sealing through hole and the third sealing through hole in the rubber sealing element to be inserted into the base.
Owing to adopted above technical scheme, the utility model discloses compare with prior art, have following advantage:
1. the Y-node copper terminal and the insulating framework on one side of the motor are integrally molded by injection, so that the node processing technology of a Y-type winding method is realized, the current circulation loss of a triangular winding method is reduced, and the output power and the efficiency of the motor are improved.
2. The plastic support piece and the rubber sealing piece are adopted to be integrally injected into the sealing piece, outgoing lines (6 lines) of the three-phase coil penetrate through the sealing piece which is integrally injected by the plastic support piece and the rubber sealing piece and are inserted into the base, and the sealing between the outgoing line hole of the base and the rubber sealing piece is realized through the pressing force between the base and the stator core.
Drawings
Fig. 1 is the assembly schematic diagram of the insulating framework, the stator core, the three-phase coil and the Y-node copper terminal of the utility model.
Fig. 2 is the assembly schematic diagram between the insulating framework, the stator core, the three-phase coil, the Y-node copper terminal and the sealing member of the present invention.
Fig. 3 is the assembly cross-sectional view between the insulation framework, the stator core, the three-phase coil, the Y-node copper terminal, the sealing member and the base of the utility model.
Fig. 4 is a schematic view of the sealing member structure of the present invention.
Fig. 5 is an exploded view of the sealing member of the present invention.
Fig. 6 is an electrical schematic diagram of the three-phase coil of the present invention adopting a Y-type winding manner.
Detailed Description
The invention is further described below with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 6, a brushless motor stator assembly for an automotive cooling fan is shown, which includes an insulating bobbin 10, a stator core 20 mounted on the insulating bobbin 10, and a three-phase coil U, V, W wound around the insulating bobbin 10 and the stator core 20.
The utility model discloses a characteristics lie in: referring to fig. 6 in particular, the three-phase coil U, V, W is wound in a Y-type connection mode, the center node of the Y-connected three-phase coil U, V, W is connected with the Y-node copper terminal 30, and the Y-node copper terminal 30 and one side 11 of the insulating framework 10 are integrated by injection molding, so that the node processing technology of the Y-type winding method is solved, the current circulation loss of the triangular winding method is reduced, and the output power and efficiency of the motor are improved.
The utility model discloses another characteristics lie in: referring particularly to fig. 2 to 5, the three-phase winding includes a pair of three outgoing lines U1, V1, W1 of the three-phase coil U, V, W, and a sealing member 40 for sealing the outgoing lines. The seal 40 comprises a plastic support 41 and three rubber seals 42.
The plastic supporting frame 41 is in an arc shape adapted to the insulating frame 10, a plurality of (four) pins 41b are circumferentially arranged on the bottom surface 41a of the plastic supporting frame 41 at intervals, and the four pins 41b are inserted into one side 11 of the insulating frame 10, so that the plastic supporting frame 41 is installed on one side 11 of the insulating frame 10. Three sealing seats 41d for three pairs of outgoing lines U1, V1 and W1 of the three-phase coil U, V, W to be outgoing are circumferentially arranged on the top surface 41c of the plastic support frame 41 at intervals, and two first sealing through holes 41e are formed in each sealing seat 41 d. Each sealing seat 41e is sleeved with a rubber sealing member 42, each rubber sealing member 42 is also provided with a second sealing through hole 42a, the top of each rubber sealing member 42 is provided with a sealing boss 42b, and each sealing boss 42b is provided with two third sealing through holes 42 c.
The three rubber sealing elements 42 are respectively sleeved on the corresponding sealing seats 41d and are integrated with the plastic supporting frame 41 in an injection molding mode, and the second sealing through holes 42a are correspondingly positioned above the two first sealing through holes 41 e. Two third hermetic vias 42c are located above the second hermetic via 42 a.
The utility model also comprises a base 50, the base 50 is pressed on the stator core 20, the outlet positions of three pairs of outlet U1, V1 and W1 of the base 50 corresponding to the three-phase coil U, V, W are respectively provided with an outlet hole 51, the sealing bosses 42b at the top of the three rubber sealing elements 42 are embedded into the corresponding outlet holes 51 to seal the outlet holes 31; three pairs of outgoing lines U1, V1, W1 of the three-phase coil U, V, W are inserted into the base 50 through the first sealed through hole 41e on the plastic support 41 and the second sealed through hole 42a and the two third sealed through holes 42c on the rubber seal 42 in this order.
The plastic support 41 and the rubber seal 42 are used for injection molding the integrated seal 40, three pairs of outgoing lines U1, V1 and W1(6 lines) of the three-phase coil U, V, W are inserted into the base 50 through the integrated seal 40 formed by injection molding of the plastic support 41 and the rubber seal 42, and sealing between the base 50 and the rubber seal 42 is realized through pressing force between the base 30 and the stator core 30.
Claims (6)
1. A brushless motor stator assembly for an automobile cooling fan comprises an insulation framework, a stator core arranged on the insulation framework, and three-phase coils wound on the insulation framework and the stator core, and is characterized by further comprising a sealing element and a base, wherein outgoing lines of the three-phase coils are sealed, and outgoing line positions of the base corresponding to the three-phase coils are respectively provided with an outgoing line hole; and the outgoing line of the three-phase coil penetrates through the sealing element and is inserted into the base, and the sealing element seals the outgoing line hole.
2. The stator assembly of brushless motor for vehicle cooling fan according to claim 1, wherein the three-phase coil is wound in a Y-type connection, a center node of the Y-type connected three-phase coil is connected by a Y-node copper terminal, and the Y-node copper terminal is integrally molded with one side of the insulating frame.
3. The brushless motor stator assembly of claim 1 or 2, wherein the sealing member comprises a plastic supporting member mounted on one side of the insulating frame, the plastic supporting member is provided with a plurality of pins for inserting into the insulating frame, the plastic supporting member is provided with three sets of sealing seats for passing the outgoing lines of the three-phase coil, and each sealing seat is provided with two first sealing through holes; each sealing seat is sleeved with a rubber sealing element, each rubber sealing element is also provided with a second sealing through hole, and the second sealing through hole is positioned above the first sealing through hole; and the outgoing line of the three-phase coil sequentially penetrates through the corresponding first sealing through hole and the second sealing through hole to extend out of the rubber sealing element.
4. A brushless motor stator assembly for an automotive cooling fan as described in claim 3 wherein said rubber seal is injection molded as one piece with said plastic support.
5. A brushless motor stator assembly for an automotive cooling fan as described in claim 3 wherein said base is pressed against the stator core.
6. The stator assembly of claim 5, wherein a sealing boss is disposed at an end of each rubber sealing member corresponding to the base, and two third sealing through holes are disposed on the sealing boss and located above the second sealing through holes; the sealing bosses are embedded into the corresponding wire outlet holes to seal the wire outlet holes; and the outgoing line of the three-phase coil sequentially penetrates through the first sealing through hole in the plastic support and the second sealing through hole and the third sealing through hole in the rubber sealing element to be inserted into the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021944808.2U CN212392732U (en) | 2020-09-08 | 2020-09-08 | Brushless motor stator assembly for automobile cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021944808.2U CN212392732U (en) | 2020-09-08 | 2020-09-08 | Brushless motor stator assembly for automobile cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212392732U true CN212392732U (en) | 2021-01-22 |
Family
ID=74254013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021944808.2U Active CN212392732U (en) | 2020-09-08 | 2020-09-08 | Brushless motor stator assembly for automobile cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212392732U (en) |
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2020
- 2020-09-08 CN CN202021944808.2U patent/CN212392732U/en active Active
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