CN207926333U - A kind of ventilated machine casing and its ventilated machine of application - Google Patents
A kind of ventilated machine casing and its ventilated machine of application Download PDFInfo
- Publication number
- CN207926333U CN207926333U CN201820343435.XU CN201820343435U CN207926333U CN 207926333 U CN207926333 U CN 207926333U CN 201820343435 U CN201820343435 U CN 201820343435U CN 207926333 U CN207926333 U CN 207926333U
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- Prior art keywords
- fin
- radiating fin
- leeward
- ventilated machine
- windward side
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a kind of ventilated machine casing and its ventilated machine of application, including shell and several radiating fins, it is equipped with cavity in the shell, several radiating fins are distributed in housing outer surface, it is characterised in that：The housing outer surface is circumferentially divided into windward side and leeward, the radiating fin positioned at windward side is windward side radiating fin, the radiating fin positioned at leeward is leeward radiating fin, windward side radiating fin is different with leeward radiation fin structure or density is different, the total surface area of the leeward radiating fin is more than the total surface area of the windward side radiating fin, not only so that the heat dissipation effect of leeward radiating fin is better than the heat dissipation effect of windward side radiating fin, but also reduce production cost.
Description
Technical field：
The utility model is related to a kind of ventilated machine casing and its ventilated machines of application.
Background technology：
Existing ventilated machine includes ventilated machine casing, and the ventilated machine casing includes shell and is distributed in outside shell
The radiating fin on surface, the heat inside ventilated machine are transmitted to the external world by the radiating fin.This ventilated machine has
The advantages such as of simple structure and low cost, easy to maintain, however the cooling efficiency of ventilated machine is relatively low, may be only available for small-power
Motor limits its large-scale application in New energy automobile motor field.Meanwhile the heat dissipation of ventilated machine is dependent on the external world
Air-flow velocity, in the case where being limited by new-energy automobile installation space, it is good that ventilated machine often only has windward side that can obtain
Cooling condition, leeward side wind speed is low, air quantity is few, often results in the leeward side heat bulk deposition of ventilated machine, generates high-temperature region
Domain influences stability and the safety of the operation of ventilated machine.
Invention content：
The purpose of this utility model is to provide a kind of ventilated machine casing and its ventilated machine of application, can solve air-cooled electricity
The problem of machine leeward side heat transfer difference.
The purpose of this utility model is achieved by following technical proposals.
First purpose of the utility model is to provide a kind of ventilated machine casing, including shell and several radiating fins,
Cavity is equipped in the shell, several radiating fins are distributed in housing outer surface, it is characterised in that：The housing outer surface
Circumferentially it is divided into windward side and leeward, the radiating fin for being located at windward side is windward side radiating fin, is located at leeward
The radiating fin is leeward radiating fin, windward side radiating fin and leeward radiation fin structure is different or density not
Together, the total surface area of the leeward radiating fin is more than the total surface area of the windward side radiating fin.
The density of leeward radiating fin described above is more than the density of the windward side radiating fin.
The quantity M1 of leeward radiating fin described above and the quantity M2 of the windward side radiating fin meet, 1.5M2
≤M1≤3M2。
The height H1 of leeward radiating fin described above is greater than or equal to the height H2 of the windward side radiating fin.
The height H1 of leeward radiating fin described above and the height H2 of the windward side radiating fin meet, H2≤H1
≤H2+15mm。
Radiating fin described above includes the first fin, the second fin and third fin, the windward side radiating fin packet
Several first fins being spaced apart are included, the leeward radiating fin includes second fin being spaced apart and institute
State third fin.
First fin described above, second fin and the third fin are circumferentially distributed along the housing outer surface,
First fin is identical as the third fin structure, and first fin and third fin head and the tail connection are formed as ring
Shape fin, second fin are located between the adjacent two third fins.
The height of second fin described above is more than the height of first fin, the third fin.
Leeward radiating fin described above is equipped with through-hole or groove.
Above-mentioned second fin described above is equipped with groove, and boss, the boss are formed between the two neighboring groove
Shape be rectangle or trapezoidal or triangle or sector.
Second purpose of the utility model is to provide a kind of ventilated machine, including ventilated machine casing, it is characterised in that：
The ventilated machine casing is ventilated machine casing described above.
The utility model compared with prior art, has the following effects that：
1) the ventilated machine casing, the shell are divided into windward side and leeward, the heat dissipation on windward side and leeward
Fin structure is different or density is different, and the total surface area of the leeward radiating fin is more than the total of the windward side radiating fin
Surface area had not only made the heat dissipation effect of leeward radiating fin be better than the heat dissipation effect of windward side radiating fin, but also reduced production
Cost；
2) the quantity M1 of leeward radiating fin and the quantity M2 of the windward side radiating fin meet, and 1.5M2≤M1≤
3M2.The height H1 of leeward radiating fin is greater than or equal to the height H2 of the windward side radiating fin.By improving leeward
The density of radiating fin or the height for increasing leeward radiating fin increase the total surface area of leeward radiating fin, structure letter
Single, effect is good；
2) first fin, second fin and the third fin are circumferentially distributed along the housing outer surface, institute
It is identical as the third fin structure to state the first fin, first fin and third fin head and the tail connection are formed as annular
Fin, second fin is located between the adjacent two third fins, simple in structure, convenient for production；
3) the leeward radiating fin is equipped with through-hole or groove, and through-hole and groove can increase flow-disturbing effect, into one
Step reinforces the heat dissipation effect of leeward radiating fin；
4) ventilated machine is improved by the structure to ventilated machine casing, enhances ventilated machine leeward
Heat dissipation effect, enhance stability and the safety of the operation of ventilated machine.
Description of the drawings：
Fig. 1 is the structural schematic diagram for the ventilated machine casing that the utility model embodiment one provides；
Fig. 2 is the front view for the ventilated machine casing that the utility model embodiment one provides；
Fig. 3 is the right view for the ventilated machine casing that the utility model embodiment one provides；
Fig. 4 is the D-D sectional views of Fig. 3.
Specific implementation mode：
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the utility model.
Embodiment one：
As shown in Figures 1 to 4, provided in this embodiment is a kind of ventilated machine casing, including shell 1 and several radiating fins
Piece 2, the shell 1 is interior to be equipped with cavity 10, and several radiating fins 2 are distributed in 1 outer surface of shell, 1 outer surface of the shell
Circumferentially it is divided into windward side 11 and leeward 12, the radiating fin 2 for being located at windward side 11 is windward side radiating fin 2A, is located at
The radiating fin 2 of leeward 12 is leeward radiating fin 2B, windward side radiating fin 2A and leeward radiating fin 2B
Structure is different or density is different, and the total surface area of the leeward radiating fin 2B is total more than the windward side radiating fin 2A
Surface area.
The total surface area of ventilated machine casing described in the present embodiment, the leeward radiating fin is dissipated more than the windward side
The total surface area of hot fin had not only made the heat dissipation effect of leeward radiating fin be better than the heat dissipation effect of windward side radiating fin, but also
Reduce production cost.
Circumferential across the angle α of leeward 12 described above is at least 180 °.
Integrated forming technique processing may be used in the ventilated machine casing, can also process shell body and machine respectively
Shell surface fin, then again using the method processing of the techniques such as welding, expanded joint connection shell body and casing surface fin.This reality
The ventilated machine casing described in example is applied to be made of the method for processing shell body and casing surface fin respectively, wherein
Shell body 1 is made of 6063 aluminium alloys by extrusion process, axial length 210mm, internal diameter 180mm, wall thickness
For 7mm.
To make the total surface area of the leeward radiating fin 2B be more than the total surface area of the windward side radiating fin 2A,
Following methods can be used：
The density of leeward radiating fin 2B described above is more than the density of the windward side radiating fin 2A.
Specifically, the quantity M2 of the quantity M1 of the leeward radiating fin 2B and windward side radiating fin 2A is full
Foot, 1.5M2≤M1≤3M2.
As another option, the height H1 of leeward radiating fin 2B described above is greater than or equal to the windward side
The height H2 of radiating fin 2A.
Specifically, the height H2 of the height H1 of the leeward radiating fin 2B and windward side radiating fin 2A is full
Foot, H2≤H1≤H2+15mm.
Radiating fin 2 described above includes the first fin 21, the second fin 22 and third fin 23, the windward side heat dissipation
Fin 2A includes several first fins 21 being spaced apart, the leeward radiating fin 2B include be spaced apart it is described
Second fin 22 and the third fin 23.
First fin 21, second fin 22 and the third fin 23 described above are along 1 outer surface of shell week
To distribution, first fin 21 is identical as 23 structure of third fin, first fin 21 and the third fin 23
Head and the tail connection is formed as ring fin, and second fin 22 is located between the adjacent two third fins 23.
The height of second fin 22 described above is more than the height of first fin 21, third fin 23.The present embodiment
In, the height of first fin 21 and third fin 23 is 9mm, and the height of second fin 22 is 16mm.Described second
The leeward radiating fin 2B that fin 22 and third fin 23 are spaced apart in the composition height of leeward 12, reinforces flow-disturbing effect.
Leeward radiating fin 2B described above is equipped with groove 24, and as a kind of option, the leeward dissipates
Also through-hole can be equipped on hot fin 2B.Through-hole and groove 24 can increase flow-disturbing effect, further strengthen leeward radiating fin
The heat dissipation effect of 2B.
Second fin 22 described above is equipped with groove 24, and boss 25 is formed between the two neighboring groove 24, described
The shape of boss 25 is rectangle or trapezoidal or triangle or sector.In the present embodiment, the shape of the boss 25 is rectangle, thickness
For 4mm.
Embodiment two：
Provided in this embodiment is a kind of ventilated machine, including ventilated machine casing 5, and the ventilated machine casing 5 is real
Apply the ventilated machine casing described in example one.
Ventilated machine described in the present embodiment is improved by the structure to ventilated machine casing 5, enhances ventilated machine
The heat dissipation effect of leeward enhances stability and the safety of the operation of ventilated machine.
Above example is the better embodiment of the present invention, and embodiments of the present invention are not limited thereto, other are any
Changes, modifications, substitutions, combinations, simplifications made by without departing from the spirit and principles of the present invention are equivalent displacement side
Formula is included within the scope of the present invention.
Claims (11)
1. a kind of ventilated machine casing, including shell (1) and several radiating fins (2), the shell (1) is interior to be equipped with cavity
(10), several radiating fins (2) are distributed in shell (1) outer surface, it is characterised in that：Shell (1) outer surface is circumferential
It is divided into windward side (11) and leeward (12), the radiating fin (2) for being located at windward side (11) is windward side radiating fin
(2A), be located at leeward (12) the radiating fin (2) be leeward radiating fin (2B), windward side radiating fin (2A) and
Leeward radiating fin (2B) structure is different or density is different, and the total surface area of the leeward radiating fin (2B) is more than described
The total surface area of windward side radiating fin (2A).
2. a kind of ventilated machine casing according to claim 1, it is characterised in that：The leeward radiating fin (2B)
Density is more than the density of the windward side radiating fin (2A).
3. a kind of ventilated machine casing according to claim 2, it is characterised in that：The leeward radiating fin (2B)
Quantity M1 and the quantity M2 of the windward side radiating fin (2A) meet, 1.5M2≤M1≤3M2.
4. a kind of ventilated machine casing according to claim 1, it is characterised in that：The leeward radiating fin (2B)
Height H1 is greater than or equal to the height H2 of the windward side radiating fin (2A).
5. a kind of ventilated machine casing according to claim 4, it is characterised in that：The leeward radiating fin (2B)
Height H1 and the height H2 of the windward side radiating fin (2A) meet, H2≤H1≤H2+15mm.
6. a kind of ventilated machine casing as claimed in any of claims 1 to 5, it is characterised in that：The radiating fin
Piece (2) includes the first fin (21), the second fin (22) and third fin (23), and the windward side radiating fin (2A) is if include
Dry first fin (21) being spaced apart, the leeward radiating fin (2B) include second fin being spaced apart
(22) and the third fin (23).
7. a kind of ventilated machine casing according to claim 6, it is characterised in that：First fin (21), described
Two fins (22) and the third fin (23) are circumferentially distributed along the shell (1) outer surface, first fin (21) and institute
It is identical to state third fin (23) structure, first fin (21) and the third fin (23) head and the tail connection are formed as annular wing
Piece, second fin (22) are located between the adjacent two third fins (23).
8. a kind of ventilated machine casing according to claim 7, it is characterised in that：The height of second fin (22) is big
In first fin (21), the height of the third fin (23).
9. a kind of ventilated machine casing according to claim 7, it is characterised in that：On the leeward radiating fin (2B)
Equipped with through-hole or groove (24).
10. a kind of ventilated machine casing according to claim 9, it is characterised in that：Second fin (22) is equipped with
Groove (24) forms boss (25) between the two neighboring groove (24), and the shape of the boss (25) is rectangle or trapezoidal
Or triangle or sector.
11. a kind of ventilated machine, including ventilated machine casing (5), it is characterised in that：The ventilated machine casing (5) is right
It is required that the ventilated machine casing described in any one of 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820343435.XU CN207926333U (en) | 2018-03-14 | 2018-03-14 | A kind of ventilated machine casing and its ventilated machine of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820343435.XU CN207926333U (en) | 2018-03-14 | 2018-03-14 | A kind of ventilated machine casing and its ventilated machine of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926333U true CN207926333U (en) | 2018-09-28 |
Family
ID=63599232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820343435.XU Active CN207926333U (en) | 2018-03-14 | 2018-03-14 | A kind of ventilated machine casing and its ventilated machine of application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114598092A (en) * | 2022-04-06 | 2022-06-07 | 常州市南方电机有限公司 | Asynchronous motor shell and machining method thereof |
-
2018
- 2018-03-14 CN CN201820343435.XU patent/CN207926333U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114598092A (en) * | 2022-04-06 | 2022-06-07 | 常州市南方电机有限公司 | Asynchronous motor shell and machining method thereof |
| CN114598092B (en) * | 2022-04-06 | 2022-10-28 | 常州市南方电机有限公司 | Asynchronous motor shell and machining method thereof |
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