CN210380409U - Stator punching sheet convenient to heat dissipation - Google Patents
Stator punching sheet convenient to heat dissipation Download PDFInfo
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- CN210380409U CN210380409U CN201921189360.5U CN201921189360U CN210380409U CN 210380409 U CN210380409 U CN 210380409U CN 201921189360 U CN201921189360 U CN 201921189360U CN 210380409 U CN210380409 U CN 210380409U
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- heat dissipation
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- piece body
- punching sheet
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Abstract
The utility model discloses a stator punching convenient to heat dissipation, its technical scheme main points are: including towards the piece body, be equipped with a plurality of evenly distributed's tooth portion towards the circumference inside wall of piece body, be equipped with a plurality of evenly distributed's mounting groove towards the circumference lateral wall of piece body, be equipped with a plurality of radiating grooves that run through towards the piece body on the piece body, a plurality of radiating grooves are around the central evenly distributed towards the piece body, the radiating groove all is in on the radial central point of piece body puts. When the stator punching sheets are combined into a stator core, a heat dissipation channel formed by communicating heat dissipation grooves is formed in the end face of the stator core; when the motor works, the heat dissipation efficiency of the whole stator core is accelerated by blowing the heat of the circumferential outer side wall of the stator core and the heat near the heat dissipation channel into the gap between the stator core and the motor shell through the heat dissipation wind on the one hand and blowing the heat into the heat dissipation channel on the other hand.
Description
Technical Field
The utility model relates to the technical field of electric machines, in particular to stator punching convenient to heat dissipation.
Background
The stator punching sheet is generally formed by punching a silicon steel sheet and is a component of a stator core of the motor.
At present, chinese patent with publication number CN206807156U discloses an inner ventilation and heat dissipation stator punching sheet, which includes a punching sheet body, a plurality of evenly distributed punching sheet grooves are arranged on the inner circumference of the punching sheet body, a plurality of evenly distributed mounting grooves are arranged on the outer circumference of the punching sheet body, a heat dissipation unit is arranged between two adjacent mounting grooves, a plurality of heat dissipation units are evenly distributed on the punching sheet body, and the heat dissipation unit includes at least one heat dissipation groove arranged on the outer circumference of the punching sheet body.
The stator core that is made up by foretell interior ventilation cooling stator punching can be connected with motor housing through the mounting groove, can leave the space that supplies circulation of air between stator core and the motor housing to take away the heat that stator core produced through circulation of air. And foretell patent sets up the radiating groove outside towards piece body outer circumference for strengthening the radiating effect, and it improves the radiating effect through the area of contact who increases stator core outer circumference lateral wall and air, and the effect that plays to the heat dissipation in the position between stator core outer loop and the inner ring is low, still does not benefit to stator core's comprehensive heat dissipation.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a stator towards piece convenient to heat dissipation, it has the advantage of strengthening the whole radiating effect of stator towards piece.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a stator is towards piece convenient to heat dissipation, includes towards the piece body, be equipped with a plurality of evenly distributed's tooth portion towards the circumference inside wall of piece body, be equipped with a plurality of evenly distributed's mounting groove towards the circumference lateral wall of piece body on, be equipped with a plurality of radiating grooves that run through towards the piece body on the piece body, a plurality of radiating grooves are around the central evenly distributed towards the piece body, the radiating groove all is in on the radial central point of piece body puts.
According to the technical scheme, when the stator laminations are combined into the stator core, the end face of the stator core is provided with the heat dissipation channel formed by communicating the heat dissipation grooves; when the motor works, the heat dissipation efficiency of the whole stator core is accelerated by blowing the heat of the circumferential outer side wall of the stator core and the heat near the heat dissipation channel into the gap between the stator core and the motor shell through the heat dissipation wind on the one hand and blowing the heat into the heat dissipation channel on the other hand.
Preferably, a first connecting groove is arranged between the adjacent radiating grooves, the first connecting groove is located on the same end face of the stator punching sheet, and two ends of the first connecting groove are communicated with the two adjacent radiating grooves respectively.
Through above-mentioned technical scheme, first intercommunication groove is keeping adjacent radiating groove intercommunication together under the higher state at the structural strength who makes the stator towards the piece, and wind can follow and enter into another radiating groove from a radiating groove through first intercommunication groove to take away the heat near the lateral wall of first intercommunication groove, increase whole stator core's heat radiating area, further accelerate the radiating efficiency.
Preferably, still be equipped with the second intercommunication groove between the lateral wall of radiating groove and towards the piece body, the one end and the corresponding radiating groove intercommunication in second intercommunication groove, the other end of second intercommunication groove extends to on the lateral wall towards the piece body.
Through above-mentioned technical scheme, make the lateral wall intercommunication of radiating groove and stator punching, wind can circulate between radiating groove and stator punching lateral wall one side through the second intercommunicating pore, further increases the area of contact of stator core and external air for the radiating effect.
Preferably, a positioning groove is formed in one end face of the punching sheet body, and a positioning block matched with the positioning groove is arranged on the other end face of the punching sheet body.
Through above-mentioned technical scheme, accomplish preliminary location through the cooperation of constant head tank and locating piece earlier between the adjacent stator towards the piece, reduce to take place the pivoted condition between the follow-up fold pressure in-process stator towards the piece and take place, make mounting groove and radiating groove on all stator towards the piece can the one-to-one and communicate.
Preferably, the center of the positioning block is located on the radial central line of the adjacent heat dissipation groove, and the center of the positioning groove is located on the radial central line of the first connecting groove.
Through above-mentioned technical scheme, when next stator punching sheet is stacked on last stator punching sheet, the radiating groove of two stator punching sheets is unable relative and direct intercommunication, but general first connecting groove communicates, thereby the heat dissipation channel in the stator core of formation is the S-shaped, the wind that gets into in the heat dissipation channel is because easily receiving the wind speed that hinders its wind speed and will be less than the wind that passes through between stator core lateral wall and the casing, thereby make the air more easily enter into stator core lateral wall one side from heat dissipation channel one side through the second communicating groove, strengthen the air flow in the second communicating groove, and the heat dissipation efficiency is improved.
Preferably, the positioning grooves penetrate through two ends of the punching sheet body, and the length of the positioning block is equal to the thickness of the punching sheet body.
Through the technical scheme, the positions of the positioning grooves and the positioning blocks are conveniently observed, so that the two stator punching sheets are conveniently installed together, and the installation speed is accelerated.
Preferably, still be equipped with a plurality of louvres towards the piece body on, a plurality of louvres along the circumference direction evenly distributed who dashes towards the piece body.
Through above-mentioned technical scheme, the area of louvre is far less than the area of radiating groove, and is less to the structural strength influence of punching the piece body, and can accelerate the heat dissipation.
Preferably, the heat dissipation groove is fan-shaped, the end with the smaller width of the heat dissipation groove faces one side of the inner ring of the punching sheet body, and the end with the larger width of the heat dissipation groove faces one side of the outer ring of the punching sheet body.
Through above-mentioned technical scheme, the width of radiating groove is along the radial direction uniform variation towards the piece body, makes the distance between the lateral wall of adjacent radiating groove maintain on certain distance, avoids too closely and influences the structural strength towards the piece body, maintains the quality towards the piece body.
To sum up, the utility model discloses the beneficial effect who contrasts in prior art does: when the stator punching sheet is laminated to be a stator core, a three-dimensional net-shaped ventilation channel formed by the first communicating groove, the second communicating groove and the radiating groove is arranged in the stator punching sheet, so that the radiating area is increased, the heat near the radiating groove of the stator core is transferred to one side of the circumferential side wall, and the radiating efficiency of the whole stator core is improved.
Drawings
FIG. 1 is a front view of the embodiment;
fig. 2 is a schematic structural view of a stator core according to an embodiment.
Reference numerals: 1. punching a sheet body; 2. a heat sink; 3. a first connecting groove; 4. a second communicating groove; 5. positioning a groove; 6. positioning blocks; 7. heat dissipation holes; 8. mounting grooves; 9. a tooth portion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a stator punching sheet convenient to heat dissipation, as shown in figure 1, including towards piece body 1, be equipped with 12 evenly distributed's tooth portion 9 towards being equipped with on the circumference inside wall of piece body 1, be equipped with 12 evenly distributed's mounting groove 8 towards being equipped with on the circumference lateral wall of piece body 1, be equipped with 6 radiating groove 2 that run through towards piece body 1 towards being equipped with on piece body 1, 6 radiating groove 2 is around the central evenly distributed towards piece body 1, radiating groove 2 all is in on the radial central point who dashes piece body 1 puts, radiating groove 2 is fan-shaped, the less one end of radiating groove 2 width is towards inner ring one side towards piece body 1, the great one end of radiating groove 2 width is towards outer loop one side towards piece body. Still be equipped with locating component on the towards piece body 1, locating component is used for connecting two adjacent stator towards pieces.
Referring to fig. 1 and 2, a first connecting groove 3 is arranged between adjacent heat dissipation grooves 2, the first connecting groove 3 is located on the same end face of the stator punching sheet, and two ends of the first connecting groove 3 are respectively communicated with the two adjacent heat dissipation grooves 2. Still be equipped with 6 second intercommunication grooves 4 and 12 louvres 7 on the towards piece body 1, second intercommunication groove 4 and first intercommunication groove 3 locate on the terminal surface of same stator punching, 6 second intercommunication grooves 4 respectively with 6 radiating groove 2 one-to-one, the one end and the corresponding radiating groove 2 intercommunication of second intercommunication groove 4, the other end of second intercommunication groove 4 extends to on the lateral wall towards piece body 1. 12 louvres 7 are along the circumference direction evenly distributed towards piece body 1 and with the mounting groove 8 one-to-one, and louvre 7 is all gone out to be located one side of keeping away from towards piece body 1 center at radiating groove 2, and the center of louvre 7 is in on corresponding mounting groove 8 and the central line towards piece body 1.
Referring to fig. 1 and 2, the number of the positioning assemblies is three, the three positioning assemblies are uniformly distributed around the center of the punching sheet body 1, each positioning assembly comprises a positioning block 6 and a positioning groove 5 matched with the positioning block 6, the positioning grooves 5 and the second communicating grooves 4 are located on the same end face of the punching sheet body 1, the positioning grooves 5 penetrate through two ends of the punching sheet body 1, and the length of each positioning block 6 is the same as the thickness of the punching sheet body 1. A pair of adjacent radiating grooves 2 and first connecting grooves 3 respectively correspond between a positioning block 6 and a positioning groove 5 in the same positioning assembly, the center of the positioning block 6 is located on the radial central line of the corresponding radiating groove 2, and the center of the positioning groove 5 is located on the radial central line of the corresponding first connecting groove 3.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (8)
1. The utility model provides a stator punching sheet convenient to heat dissipation, includes towards piece body (1), be equipped with a plurality of evenly distributed's tooth portion (9) on the circumference inside wall towards piece body (1), be equipped with a plurality of evenly distributed's mounting groove (8), characterized by on the circumference lateral wall towards piece body (1): be equipped with a plurality of radiating grooves (2) that run through towards piece body (1) on towards piece body (1), a plurality of radiating grooves (2) are around the central evenly distributed towards piece body (1), radiating grooves (2) all are in towards the radial central point of piece body (1) and put.
2. The stator punching sheet convenient for heat dissipation according to claim 1, characterized in that: be equipped with first connecting groove (3) between adjacent radiating groove (2), first connecting groove (3) all are in on the same terminal surface towards piece body (1), the both ends of first connecting groove (3) communicate with two adjacent radiating groove (2) respectively.
3. The stator punching sheet convenient for heat dissipation according to claim 2, characterized in that: still be equipped with second intercommunication groove (4) between radiating groove (2) and the lateral wall towards piece body (1), the one end and corresponding radiating groove (2) intercommunication in second intercommunication groove (4), the other end in second intercommunication groove (4) extends to on the lateral wall towards piece body (1).
4. The stator punching sheet convenient for heat dissipation according to claim 3, characterized in that: the punching sheet is characterized in that a positioning groove (5) is formed in one end face of the punching sheet body (1), and a positioning block (6) matched with the positioning groove (5) is arranged on the other end face of the punching sheet body (1).
5. The stator punching sheet convenient for heat dissipation according to claim 4, is characterized in that: the center of the positioning block (6) is positioned on the radial central line of the adjacent heat dissipation groove (2), and the center of the positioning groove (5) is positioned on the radial central line of the first connecting groove (3).
6. The stator punching sheet convenient for heat dissipation according to claim 4, is characterized in that: the positioning grooves (5) penetrate through two ends of the punching sheet body (1), and the length of the positioning blocks (6) is the same as the thickness of the punching sheet body (1).
7. The stator punching sheet convenient for heat dissipation according to claim 1, characterized in that: still be equipped with a plurality of louvres (7) on towards piece body (1), a plurality of louvres (7) are along the circumference direction evenly distributed towards piece body (1).
8. The stator punching sheet convenient for heat dissipation according to claim 1, characterized in that: the heat dissipation groove (2) is fan-shaped, the end with the smaller width of the heat dissipation groove (2) faces one side of the inner ring of the punching sheet body (1), and the end with the larger width of the heat dissipation groove (2) faces one side of the outer ring of the punching sheet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189360.5U CN210380409U (en) | 2019-07-26 | 2019-07-26 | Stator punching sheet convenient to heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189360.5U CN210380409U (en) | 2019-07-26 | 2019-07-26 | Stator punching sheet convenient to heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210380409U true CN210380409U (en) | 2020-04-21 |
Family
ID=70246761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921189360.5U Expired - Fee Related CN210380409U (en) | 2019-07-26 | 2019-07-26 | Stator punching sheet convenient to heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210380409U (en) |
-
2019
- 2019-07-26 CN CN201921189360.5U patent/CN210380409U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210726 |