Circular linear stator assembly
By employing structures such as limiting posts, heat sinks, and connecting ribs in the motor stator assembly, the problem of poor stator heat dissipation was solved, resulting in better heat dissipation and copper wire limitation, thus extending the service life of the stator core.
Patent Information
- Application Number
- CN202423289172.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing motor stator has poor heat dissipation, which causes the stator core to overheat severely, affecting its service life and normal operation.
A circular stator assembly was designed, which uses a structure of limiting posts, heat sinks, connecting ribs and filters to improve heat dissipation performance, limit the position of copper wires, and increase the contact area between the iron core and the air.
It effectively improves the heat dissipation performance of the stator assembly, extends the service life of the stator core, and ensures the normal operation of the motor.
Smart Images
Figure CN223729511U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor field especially relates to a round wire type stator assembly. BACKGROUND
[0002] The stator is the stationary part of the motor. The stator is usually composed of a stator core and a stator winding part.
[0003] During the starting process of the motor, the current will pass through the winding on the stator to heat the whole stator. However, the existing generator stator has poor heat dissipation effect, so that the high temperature generated by the stator core after a period of use cannot be quickly dissipated, thereby reducing the service life of the stator and affecting the normal use of the motor. SUMMARY
[0004] The round wire type stator assembly provided by the application has the characteristics of good heat dissipation performance.
[0005] The round wire type stator assembly provided by the application adopts the following technical solution:
[0006] A round wire type stator assembly, comprising a hollow cylindrical core and a copper wire winding embedded on the core, a plurality of limiting columns are arranged on the annular inner wall of the core, a clamping groove for accommodating the copper wire is formed between adjacent two limiting columns, the clamping groove is used for accommodating the copper wire of the copper wire winding, two cooling fins are arranged on the end of the limiting column away from the core, the two cooling fins are symmetrically arranged on the limiting column, and the copper wire located in the clamping groove is limited in the clamping groove by the adjacent two cooling fins.
[0007] By adopting the above technical solution, the cooling fins are arranged to improve the heat dissipation performance of the stator assembly and also limit the copper wire in the clamping groove, so that the copper wire is in the correct position.
[0008] Preferably, a connecting rib is arranged on the end face of the limiting column away from the core, and the connecting rib connects the limiting column and the two cooling fins.
[0009] By adopting the above technical solution, the connecting rib improves the connection strength between the limiting rod and the two cooling fins, and reduces the probability of fracture of the cooling fins during stator embedding.
[0010] Preferably, the connecting rib is fan-shaped, one end of the connecting rib has a larger volume, the other end of the connecting rib has a smaller volume, and the end of the connecting rib with a larger volume is connected with the two cooling fins and the limiting column.
[0011] By adopting the above technical solution, the cooling rib also has a certain heat dissipation performance, which improves the overall heat dissipation performance of the core. At the same time, the connection strength between the connecting rib and the two cooling fins and the limiting column is further improved.
[0012] Preferably, a plurality of connecting ribs are arranged on each of the limiting columns, and the plurality of connecting ribs on each of the limiting columns are equidistantly arranged along the axis direction of the iron core.
[0013] By adopting the above technical scheme, the connection strength of the cooling fins and the limiting columns is further improved, and the heat dissipation performance of the iron core is also improved.
[0014] Preferably, annular grooves are arranged on the two side end faces of the iron core, first filter screens are arranged in the two annular grooves, and a through groove is arranged in the iron core and communicates the two annular grooves.
[0015] By adopting the above technical scheme, the through groove is arranged to further improve the contact area of the iron core and air, thereby improving the heat dissipation strength of the iron core.
[0016] Preferably, a plurality of reinforcing ribs are arranged in the through groove, and the two ends of the plurality of reinforcing ribs are connected with the two side walls opposite to the through groove.
[0017] By adopting the above technical scheme, the reinforcing ribs are arranged to improve the strength of the iron core and reduce the strength loss caused by the through groove.
[0018] Preferably, the through groove is a plurality of through grooves, the plurality of through grooves are circumferentially distributed on the iron core, and the plurality of through grooves all penetrate the iron core along the axis direction of the iron core.
[0019] By adopting the above technical scheme, the heat dissipation performance of the iron core is further improved.
[0020] Preferably, a plurality of communication grooves are arranged in the iron core, the communication grooves respectively communicate the clamping grooves and the through grooves, and second filter screens are arranged in the plurality of communication grooves.
[0021] By adopting the above technical scheme, the clamping grooves and the through grooves are communicated, and the copper wires in the clamping grooves can also be effectively cooled.
[0022] The technical effects of the utility model mainly embody in the following aspects:
[0023] 1. The utility model sets the cooling fins to improve the heat dissipation performance of the stator assembly, and also limits the copper wires in the clamping grooves, so that the copper wires are in the correct position.
[0024] 2. The utility model sets the through groove to further improve the contact area of the iron core and air, thereby improving the heat dissipation strength of the iron core.
[0025] 3. The utility model sets the reinforcing ribs to improve the strength of the iron core and reduce the strength loss caused by the through groove. DRAWINGS
[0026] Figure 1 is the structural schematic diagram of the round wire type stator assembly of the utility model.
[0027] Figure 2 is a structural schematic diagram of the iron core
[0028] Figure 3 is Figure 2 is a local enlarged view at A in the middle.
[0029] Figure 4 is a top view of the iron core.
[0030] Figure 5 is a partial sectional view of the iron core.
[0031] The drawing reference: 1, iron core; 11, ring groove; 12, through slot; 13, reinforcing rib; 14, communication groove; 2, copper wire winding; 3, limiting column; 4, clamping groove; 5, cooling fin; 6, connecting rib; 7, first filter screen; 8, second filter screen. DETAILED DESCRIPTION
[0032] The present application will be further described in detail below with reference to the accompanying drawings, so that the technical scheme of the present application is easier to understand and master.
[0033] Referring to Figure 1 and Figure 2 , the circular wire type stator assembly of the embodiment includes an iron core 1 in the form of a hollow column, and a copper wire winding 2 embedded on the iron core 1. A plurality of limiting columns 3 are integrally formed on the annular inner wall of the iron core 1, and are distributed circumferentially on the inner wall of the iron core 1.
[0034] Referring to Figure 2 and Figure 3 , a clamping groove 4 for accommodating the copper wire is formed between the two adjacent limiting columns 3, and the clamping groove 4 is used to accommodate the copper wire of the copper wire winding 2. Two cooling fins 5 are integrally formed on the end of each limiting column 3 away from the iron core 1, and the two cooling fins 5 are symmetrically arranged on the limiting column 3. The two adjacent cooling fins 5 restrict the copper wire in the clamping groove 4. The cooling fins 5 are arranged to improve the heat dissipation performance of the stator assembly and also to restrict the copper wire in the clamping groove 4, so that the copper wire is in the correct position.
[0035] Referring to Figure 2 and Figure 3 , a plurality of connecting ribs 6 are integrally formed on the end face of the limiting column 3 away from the iron core 1, and the plurality of connecting ribs 6 on each limiting column 3 are equidistantly arranged along the axis direction of the iron core 1. Each connecting rib 6 connects the limiting column 3 and the two cooling fins 5. The connecting rib 6 is arranged to improve the strength of the connection between the limiting rod and the two cooling fins 5, and to reduce the probability of fracture of the cooling fins 5 during embedding of the stator wire.
[0036] Referring to Figure 2 and Figure 3The connecting rib 6 is in the shape of a sector, and one end of the connecting rib 6 has a larger volume, and the other end of the connecting rib 6 has a smaller volume. The end of the connecting rib 6 with the larger volume is connected to the two heat dissipation fins 5 and the limiting column 3. The sector shape and the gradually changing volume of the connecting rib 6 are configured to improve the connection strength of the connecting rib 6 with the two heat dissipation fins 5 and the limiting column 3 and to allow the connecting rib 6 to also have a certain heat dissipation property.
[0037] With reference to Figure 2 , Figure 4 and Figure 5 , the two side end faces of the iron core 1 are each provided with an annular groove 11, and the first filter screen 7 is fixed in each of the two annular grooves 11. The iron core 1 is provided with four through grooves 12 that communicate with the two annular grooves 11. The four through grooves 12 are circumferentially distributed on the iron core 1, and each of the four through grooves 12 penetrates the iron core 1 along the axis direction of the iron core 1. The through grooves 12 are configured to further increase the contact area of the iron core 1 with air, thereby improving the heat dissipation strength of the iron core 1.
[0038] With reference to Figure 2 , Figure 4 and Figure 5 , each of the through grooves 12 is integrally formed with three reinforcing ribs 13, and each of the reinforcing ribs 13 has two ends connected to the two side walls of the through groove 12 opposite to each other. The reinforcing ribs 13 are configured to improve the strength of the iron core 1 and reduce the strength loss caused by the through grooves 12. The three reinforcing ribs 13 in one of the through grooves 12 divide the through groove 12 into four relatively independent spaces.
[0039] With reference to Figure 2 , Figure 4 and Figure 5 , the iron core 1 is provided with a plurality of communication grooves 14 that respectively communicate with the clamping grooves 4 and the through grooves 12, and the second filter screen 8 is fixed in each of the plurality of communication grooves 14. The communication grooves 14 are configured to allow the clamping grooves 4 to communicate with the through grooves 12, so that the copper wire in the clamping groove 4 can also be effectively cooled.
[0040] Of course, the above is only a typical example of the present application, and in addition to this, the present application can have other various specific implementation manners, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.
Claims
1. A round wire type stator assembly comprising a core (1) in a hollow column shape, a copper wire winding (2) embedded in the core (1), characterized in that: The annular inner wall of the iron core (1) is provided with a plurality of limiting columns (3), and a clamping groove (4) for accommodating copper wires is formed between two adjacent limiting columns (3). The clamping groove (4) is used for accommodating copper wires of the copper wire winding (2). The limiting column (3) is provided with two heat dissipation fins (5) at the end away from the iron core (1). The two heat dissipation fins (5) are symmetrically arranged on the limiting column (3), and the adjacent two heat dissipation fins (5) limit the copper wires in the clamping groove (4) in the clamping groove (4).
2. A round wire stator assembly as set forth in claim 1, wherein: The end surface of the limiting column (3) away from the iron core (1) is provided with a connecting rib (6), and the connecting rib (6) connects the limiting column (3) and the two heat dissipation fins (5).
3. A round wire stator assembly according to claim 2, characterized in that: The connecting rib (6) is fan-shaped, one end of the connecting rib (6) is larger in volume, the other end of the connecting rib (6) is smaller in volume, and the larger end of the connecting rib (6) is connected with the two heat dissipation fins (5) and the limiting column (3).
4. A round wire stator assembly as set forth in claim 3 wherein: Each of the limiting columns (3) is provided with a plurality of connecting ribs (6), and the plurality of connecting ribs (6) on each of the limiting columns (3) are equidistantly arranged along the axis direction of the iron core (1).
5. A round wire stator assembly as set forth in claim 1 wherein: The two side end surfaces of the iron core (1) are provided with annular grooves (11), and the two annular grooves (11) are provided with first filter screens (7). The iron core (1) is provided with a through groove (12) communicating the two annular grooves (11).
6. A round wire stator assembly as set forth in claim 5 wherein: The through groove (12) is provided with a plurality of reinforcing ribs (13), and the two ends of the plurality of reinforcing ribs (13) are connected with the two side walls opposite to the through groove (12).
7. A round wire stator assembly as set forth in claim 5 wherein: The through groove (12) is a plurality of, and the plurality of through grooves (12) are circumferentially distributed on the iron core (1), and the plurality of through grooves (12) all penetrate the iron core (1) along the axis direction of the iron core (1).
8. A round wire stator assembly as set forth in claim 7 wherein: The iron core (1) is provided with a plurality of communication grooves (14), and the communication grooves (14) respectively communicate the clamping grooves (4) and the through grooves (12). The plurality of communication grooves (14) are all provided with second filter screens (8).