CN204271769U - Ventilation steel channel, aeration structure and motor - Google Patents
Ventilation steel channel, aeration structure and motor Download PDFInfo
- Publication number
- CN204271769U CN204271769U CN201420850023.7U CN201420850023U CN204271769U CN 204271769 U CN204271769 U CN 204271769U CN 201420850023 U CN201420850023 U CN 201420850023U CN 204271769 U CN204271769 U CN 204271769U
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- Prior art keywords
- steel channel
- ventilation steel
- ventilation
- radiating ribs
- air duct
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- 238000009423 ventilation Methods 0.000 title claims abstract description 165
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 157
- 239000010959 steel Substances 0.000 title claims abstract description 157
- 238000005273 aeration Methods 0.000 title claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 13
- 238000003475 lamination Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 11
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 17
- 238000005452 bending Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 210000003141 lower extremity Anatomy 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013517 stratification Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a kind of ventilation steel channel, aeration structure and motor.The ventilation steel channel that the utility model provides, it comprises ventilation steel channel body, in described ventilation steel channel body, be provided with at least two air ducts along the direction of described ventilation steel channel body, and described at least two air ducts are separated by least one radiating ribs.The ventilation steel channel that the utility model provides, its air duct can shunt a part of refrigerating gas, possesses wind effect, therefore can reduce the windage of ventilation steel channel, reduces the resistance of cooling system.In addition, air duct and radiating ribs can increase the contact area with refrigerating gas, thus increase the area of dissipation of ventilation steel channel, can the heat radiation of intensified ventilation channel-section steel, and the heat making refrigerating gas winding be reached ventilation steel channel is taken away quickly.
Description
Technical field
The utility model relates to the cooling of motor, particularly relates to ventilation steel channel, aeration structure and motor.
Background technology
Motor (comprising motor and generator) operationally, meeting produce power loss on the parts such as coil, iron core, this part loss distributes with the form of heat energy the most at last, if the Design of ventilation of motor is unreasonable, can cause that the temperature rise of motor is too high or local temperature rise is uneven.The too high meeting of temperature rise causes ageing of insulation, can make insulation electrical hydraulic performance decline during long-play, and local temperature rise is uneven can produce very large thermal stress, causes the permanent lesion on electric machine structure, finally causes electrical fault.Therefore the temperature rise reducing motor for improve motor safe clearance, extend motor useful life and to reduce the maintenance cost of motor all significant.
Radial ventilation methods for cooling is one of conventional methods for cooling of medium and small generator, and this type of cooling can increase area of dissipation, improves the power density of generator, is therefore widely used.In order to realize radial ventilation, the iron core of motor is generally divided into multiple stack of lamination, ventilation steel channel (or being called air duct slats) is provided with along the radial direction of motor between adjacent stack of lamination, ventilation steel channel is while playing a supporting role to each stack of lamination, space between adjacent stator core section is separated into ventilation ducts (or being called radial ducts), this ventilation ducts just can be used to carry out radial ventilation to carry out cooling heat dissipation to unshakable in one's determination and winding.The ventilation steel channel generally adopted at present is generally traditional bar shaped ventilation steel channel and I-shaped ventilation steel channel, and the cross section of bar shaped ventilation steel channel is solid rectangle, and the cross section of I-shaped ventilation steel channel is in " work " font or close to " work " font.
State in realization in the process of technical scheme, inventor finds that in prior art, at least there are the following problems:
The design of tradition ventilation channel-section steel and the aeration structure not impact that causes of the cooling effect of special concern ventilation steel channel on refrigerating gas.Tradition ventilation channel-section steel only plays the effect supporting and be separated out ventilation ducts between adjacent stator core section, and inventor thinks deeply discovery by analysis, the inside of tradition ventilation channel-section steel is solid construction, not only can cause larger windage, and less with the contact area of cooling-air, be unfavorable for the heat radiation of ventilation steel channel.
Utility model content
The utility model object is to provide a kind of ventilation steel channel reducing windage, improving radiating effect, and provide that a kind of windage is less, the better aeration structure of radiating effect and motor.
To achieve these goals, the utility model provides a kind of ventilation steel channel, it comprises ventilation steel channel body, in described ventilation steel channel body, be provided with at least two air ducts along the direction of described ventilation steel channel body, and described at least two air ducts are separated by least one radiating ribs.
Preferably, wherein said ventilation steel channel body can comprise top board, base plate and two side plates, and described two side plates are supporting bracket, and two edges of described radiating ribs are connected with described top board and described base plate respectively.
Further, a described radiating ribs can wherein be had at least perpendicular to described top board and described base plate.
Preferably, the cross section of a described air duct wherein can be had at least triangular in shape.
Further, the number of wherein said radiating ribs can be two, and the number of the air duct that described cross section is triangular in shape is three.
Preferably, wherein said side plate can perpendicular to described top board and described base plate.
Preferably, the width of wherein said top board and described base plate all can be greater than the height of described side plate.
Preferably, wherein annular knurl decorative pattern can be provided with on the side of described ventilation steel channel body.
The utility model provides a kind of ventilation steel channel, it comprises ventilation steel channel body, the end face of described ventilation steel channel body and bottom surface form the air duct that at least one direction along described ventilation steel channel body is arranged separately, and the air duct that described end face is formed and the air duct that described bottom surface is formed are separated by least one radiating ribs on described ventilation steel channel body.
Further, wherein said ventilation steel channel body can comprise two side plates, at least two rebounds and radiating ribs described at least one, and described radiating ribs is between described two side plates, and described radiating ribs and described side plate are connected as one by described rebound.
Further, wherein said side plate and described radiating ribs are all perpendicular to described rebound.
The utility model provides a kind of aeration structure, it comprises at least two stack of laminations, described stack of lamination is provided with multiple teeth portion, is configured for the groove holding winding between the adjacent teeth portion on same stack of lamination, between the teeth portion of the correspondence of adjacent stator core section, is provided with arbitrary above-mentioned ventilation steel channel.
The utility model provides a kind of motor, and it comprises above-mentioned aeration structure.
The main beneficial effect of the above-mentioned ventilation steel channel that the utility model provides is: air duct can shunt a part of refrigerating gas, possesses wind effect, therefore can reduce the windage of ventilation steel channel, reduces the resistance of cooling system.In addition, air duct and radiating ribs can increase the contact area with refrigerating gas, thus increase the area of dissipation of ventilation steel channel, can the heat radiation of intensified ventilation channel-section steel, and the heat making refrigerating gas winding be reached ventilation steel channel is taken away quickly.
The above-mentioned aeration structure that the utility model provides and above-mentioned motor can accept the above-mentioned advantage of ventilation steel channel, and windage is less, cooling heat dissipation better effects if, effectively can reduce temperature rise, improve reliability, reduce costs.
Accompanying drawing explanation
Fig. 1 is the perspective view of the ventilation steel channel of the utility model embodiment one;
Fig. 2 is the shape of cross section schematic diagram of the ventilation steel channel of the utility model embodiment one;
Fig. 3 is the shape of cross section schematic diagram of the ventilation steel channel of the utility model embodiment two;
Fig. 4 is the shape of cross section schematic diagram of the ventilation steel channel of the utility model embodiment three;
Fig. 5 is the perspective view of the ventilation steel channel of the utility model embodiment four;
Fig. 6 is the shape of cross section schematic diagram of the ventilation steel channel of the utility model embodiment four;
Fig. 7 is the schematic perspective view of the aeration structure of the utility model embodiment five;
Fig. 8 is the cross-sectional schematic of the aeration structure of the utility model embodiment five;
Fig. 9 is the flow chart of the manufacture method of the ventilation steel channel of the utility model embodiment six;
Figure 10 is the flow chart of the manufacture method of the ventilation steel channel of the utility model embodiment seven;
Figure 11 is the flow chart of the manufacture method of the ventilation steel channel of the utility model embodiment eight.
Drawing reference numeral illustrates:
1-ventilation steel channel; 11-ventilation steel channel body; 111-top board; 112-base plate; 113-side plate; 114-rebound; 12-air duct; 13-radiating ribs; 2-stack of lamination; 21-teeth portion; 3-winding; 4-slot wedge.
Embodiment
Below in conjunction with accompanying drawing, the ventilation steel channel of the utility model embodiment, its manufacture method, aeration structure and motor are described in detail.
Embodiment one
As depicted in figs. 1 and 2, it is respectively perspective view and the shape of cross section schematic diagram of the ventilation steel channel of the utility model embodiment one.The ventilation steel channel of the utility model embodiment one, it comprises ventilation steel channel body 11, in ventilation steel channel body 11, be provided with at least two air ducts 12 along the direction of ventilation steel channel body 11, and these at least two air ducts 12 are separated by least one radiating ribs 13.
The ventilation steel channel of the utility model embodiment one is different from conventional tradition ventilation channel-section steel, and the design of its air duct 12 and radiating ribs 13 at least can bring following advantage:
1, air duct 12 can shunt a part of refrigerating gas, possesses wind effect, therefore can reduce the windage of ventilation steel channel, reduces the resistance of cooling system.
2, air duct 12 and radiating ribs 13 can increase the contact area with refrigerating gas, thus increase the area of dissipation of ventilation steel channel, can the heat radiation of intensified ventilation channel-section steel, and the heat making refrigerating gas winding be reached ventilation steel channel is taken away quickly.
Except having These characteristics, the ventilation steel channel of the present embodiment also has other features, is described respectively below.
As shown in Figure 2, the ventilation steel channel body 11 of the present embodiment comprises top board 111, base plate 112 and two side plates 113, two side plates 113 are supporting bracket, two edges of radiating ribs 13 are connected with top board 111 and base plate 112 respectively, the radiating ribs 13 of this sample embodiment can also be played a supporting role simultaneously, compare like this and two of radiating ribs 13 edges are connected on two side plates 113, the enabling capabilities of ventilation steel channel can be made better, thus strengthen the Mechanical Structure Strength of ventilation steel channel.Due to motor stack of lamination between interval less, so the thickness of ventilation steel channel is general all less, top board 111 in the present embodiment and the width of base plate 112 are all greater than the height of side plate 113, can have larger draught area like this while guarantee ventilation steel channel thickness is less.
In the present embodiment, the number of radiating ribs 13 is one, and this radiating ribs 13 is perpendicular to top board 111 and base plate 112, and this vertical stratification can make radiating ribs 13 reach good support effect.Top board 111 in the present embodiment, base plate 112 and two side plates 113 specifically constitute rectangular frame structure, and namely two side plates 113 are also perpendicular to top board 111 and base plate 112, and the Mechanical Structure Strength of this rectangular frame structure is higher.But, also can not adopt this rectangular frame structure, such as, can adopt ladder-shaped frame structure, or two side plates 113 can evagination and present certain bending.
Embodiment two
As shown in Figure 3, it is the shape of cross section schematic diagram of the ventilation steel channel of the utility model embodiment two.The difference of the ventilation steel channel of the present embodiment and the ventilation steel channel of embodiment one is: the number of the radiating ribs 13 in the present embodiment is two, and the number of air duct 12 is three.Compare embodiment one, the area of dissipation of the present embodiment is larger, and structural strength is higher.
Embodiment three
As shown in Figure 4, it is the shape of cross section schematic diagram of the ventilation steel channel of the utility model embodiment three.In the present embodiment, the number of radiating ribs 13 is also two, and the number of air duct 12 is also three, unlike, the cross section of the air duct 12 of the present embodiment is triangular in shape, and adopt triangular structure more firm, Mechanical Structure Strength is higher.
Particularly, the top edge of two radiating ribs 13 in the present embodiment is total to limit and is connected to the middle part of top board 111, and the lower limb of two radiating ribs 13 is connected with the both sides of base plate 112 and the lower limb of side plate 113 respectively.But, also can exchange, make the lower limb of two radiating ribs 13 be total to limit and be connected to the middle part of base plate 112, the top edge of two radiating ribs 13 is connected with the both sides of top board 111 and the top edge of side plate 113 respectively.
For the ventilation steel channel of foregoing embodiments, annular knurl decorative pattern (or claiming stamp) all can be set on the side of ventilation steel channel body 11 (lateral wall of side plate 113), to increase the turbulent flow in ventilation ducts, refrigerating gas is contacted fully with the winding of ventilation steel channel and side thereof, thus strengthen the cooling capacity of refrigerating gas, strengthening cooling heat dissipation effect.
Embodiment four
As shown in Figure 5 and Figure 6, it is respectively perspective view and the shape of cross section schematic diagram of the ventilation steel channel of the utility model embodiment four.The ventilation steel channel of previous embodiments, its air duct 12 is all positioned at the inside of ventilation steel channel body 11, the air duct of the present embodiment is no longer positioned at the inside of ventilation steel channel body 11, the end face of the ventilation steel channel body 11 of the present embodiment and bottom surface form the air duct 12 that at least one direction along ventilation steel channel body 11 is arranged separately, and the air duct 12 that air duct 12 and bottom surface that end face is formed are formed is separated by least one radiating ribs 13 on ventilation steel channel body 11.
Although the air duct of the present embodiment 12 is openings, time between the teeth portion ventilation steel channel of the present embodiment being arranged on two adjacent stator core sections, this air duct 12 equally can ventilate.The air duct 12 of the present embodiment also can be called as " surperficial ventilation ducts " (being different from the ventilation ducts of ventilation steel channel both sides).The present embodiment compares the area of dissipation that embodiment one can increase about 40%, and this bending structure possesses good processing characteristics, and bending technique can be utilized to process relatively easily.
Particularly, the ventilation steel channel body 11 of the present embodiment comprises two side plates 113, at least two (being four shown in figure) rebound 114 and at least one (shown in figure being three) radiating ribs 13, radiating ribs 13 is between two side plates 113, radiating ribs 13 and side plate 113 are connected as one by rebound 114, and rebound 114 can ensure to have certain Area of bearing.
Particularly, the side plate 113 of the present embodiment and radiating ribs 13 are all perpendicular to rebound 114, and this vertical stratification also can strengthen the support performance of the present embodiment, increase the structural strength of the present embodiment.
Above the ventilation steel channel of each embodiment of the utility model is illustrated, according to explanation above, the ventilation steel channel that the utility model provides, its structure has larger flexibility, such as, air duct can be positioned at ventilation steel channel body interior, also can be positioned at ventilation steel channel body exterior; The shape of air duct can be rectangle, triangle etc., is not limited to the shape shown in figure; Radiating ribs can vertically be arranged, and also tiltable is arranged; The width of ventilation steel channel windward end and leeward end can be identical, can be not identical.The ventilation steel channel that the utility model provides, its structure itself is easy to realize, and can adjust easily on this basis, make it meet the cooling heat dissipation requirement of various reality to the design of ventilation steel channel.
The ventilation steel channel provided based on the utility model section Example has the feature of pipeline configuration, a part of ventilation steel channel in the utility model also can be called as " tubular type ventilation steel channel ", but, it is worth mentioning that, here " ventilation steel channel " is motor cooling technology field call sanctified by usage, its cross section be different from other field is " channel-section steel " steel of grooved, and its material itself is also not limited to " steel ", except can be except metal, its material can also be have high thermal conductivity nonmetal.Be described to the aeration structure of the utility model embodiment below.
Embodiment five
As shown in Figure 7 and Figure 8, wherein Fig. 7 is the schematic perspective view of the aeration structure of the utility model embodiment five, it illustrates state when observing from the outside of aeration structure, Fig. 8 is the cross-sectional schematic of the aeration structure of the utility model embodiment five, it illustrates state when observing from the inside of aeration structure, the aeration structure of the utility model embodiment, it comprises at least two (such as shown in figure being three) stack of laminations 2, stack of lamination 2 is provided with multiple (such as shown in figure being five) teeth portion 21, (figure middle slot does not mark to be configured for holding the groove of winding 3 between adjacent teeth portion 21 on same stack of lamination 2, filled by winding 3), the ventilation steel channel 1 of arbitrary above-described embodiment is provided with between the teeth portion 21 of the correspondence of adjacent stator core section 2.
The aeration structure of the present embodiment operationally, part refrigerating gas flows along the direction in Figure 11 shown in dotted arrow in ventilation ducts, another part cold gas cognition flows through through air duct 12, air duct 12 plays shunting action, windage can be reduced, air duct 12 and radiating ribs 13 can strengthen area of dissipation simultaneously, and the heat making winding 3 pass to ventilation steel channel 1 through stack of lamination 2 is cooled gas quickly with walking.
Inventor is on the basis of this structure, Flow Field Calculation software is adopted to carry out simulation comparison, and platform validation by experiment, result shows, the ventilation steel channel of above-mentioned different embodiment compares tradition ventilation channel-section steel, effectively can reduce the motor winding temperature rise of 8 ~ 15K, this will significantly improve the safe clearance of motor, extends its useful life and reduces its maintenance cost.And if maintenance electric machine temperature rise is constant, the optimal design of motor then can be coordinated to realize, and power density increases, the reduction of loss of weight and cost, such as, as designed according to electrical machine insulation B level, keep temperature rise 90K constant, being equipped with above-mentioned ventilation steel channel at least can direct saving copper 5%.
In the present embodiment, be also connected with slot wedge 4 between adjacent teeth portion 21 in order to the winding 3 in locking slot, prevent it from producing radial displacement.Particularly, the stack of lamination 2 of the present embodiment can be the stack of lamination of stator core (" iron core " or be called " iron core "), also can be the stack of lamination of rotor core.And for the aeration structure of some motor, it is also provided with ventilation channel plate between adjacent stack of lamination 2, in this case, can be welded on ventilation channel plate with the ventilation steel channel of the welding procedures such as spot welding by above-described embodiment.
The aeration structure that the present embodiment provides can be applied in the motor such as generator, motor of the air-cooled form of existing employing, such as can be applied in large-scale wind driven generator, medium and small generator and middle-size and small-size motor, ventilation steel channel is wherein except promoting significantly except cooling heat dissipation effect, also be easy to technique realize, therefore possess application prospect widely.Below the manufacture method of the ventilation steel channel of the utility model embodiment is described, when reading the manufacture method of ventilation steel channel of the utility model embodiment, can simultaneously see accompanying drawing before.
Embodiment six
As shown in Figure 9, it is the flow chart of the manufacture method of the ventilation steel channel of the utility model embodiment six.The manufacture method of the present embodiment, it comprises:
Step 101: drawing blank, obtains rectangular ventilation steel channel;
Step 102: carry out segmentation cutting to rectangular ventilation steel channel, obtains ventilation steel channel 1.
Drawing in the manufacture method of the ventilation steel channel of the present embodiment and cutting are all easy to realize, manufacture process is simple, can be used for manufacturing any one ventilation steel channel in above-described embodiment one to embodiment three, ventilation steel channel body 11 and radiating ribs 13 that it obtains are structures of overall one.
Particularly, in a step 101, drawbench drawing blank can be used.In a step 102, cutting machine can be used to carry out segmentation cutting to rectangular ventilation steel channel.
Embodiment seven
As shown in Figure 10, it is the flow chart of the manufacture method of the ventilation steel channel of the utility model embodiment seven.The manufacture method of the present embodiment, it comprises:
Step 201: at least one radiating ribs 13 is welded on ventilation steel channel body 11 inner, obtains ventilation steel channel 1.
Welding in the present embodiment is easy to realize, and can be used for manufacturing any one ventilation steel channel in above-described embodiment one to embodiment three.Particularly, in step 201, can use bonding machine just at least one radiating ribs 13 to be welded on ventilation steel channel body 11 inner.
Embodiment eight
As shown in figure 11, it is the flow chart of the manufacture method of the ventilation steel channel of the utility model embodiment eight.The manufacture method of the present embodiment, it comprises:
Step 301: cutting stock, obtains strip plate;
Step 302: carry out bending to strip plate, obtains ventilation steel channel 1.
Cutting in the present embodiment and bending are all easy to realize, and can be used for the ventilation steel channel manufacturing above-described embodiment four.Particularly, in step 301, can use cutting machine cutting stock, blanking is specifically as follows steel plate.By selecting the steel plate of respective thickness, the thickness requirement of ventilation steel channel can be met after bending.In step 302, bender can be used to carry out bending to strip plate.
In sum, the optimal technical scheme that the utility model embodiment provides at least possesses following characteristics:
1, the utility model arranges air duct by or surface inner at ventilation steel channel, and is separated by air duct by radiating ribs, and can shunt a part of refrigerating gas, reduce windage, increasing heat radiation area, improves Mechanical Structure Strength simultaneously.
2, the distribution of radiating ribs adopts vertical stratification or triangular structure, and structural strength is higher.
The ventilation steel channel of 3, bending form, its area of dissipation is larger, and possesses good processing characteristics.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.
Claims (13)
1. a ventilation steel channel, is characterized in that, comprises ventilation steel channel body, in described ventilation steel channel body, be provided with at least two air ducts along the direction of described ventilation steel channel body, and described at least two air ducts are separated by least one radiating ribs.
2. ventilation steel channel according to claim 1, is characterized in that, described ventilation steel channel body comprises top board, base plate and two side plates, and described two side plates are supporting bracket, and two edges of described radiating ribs are connected with described top board and described base plate respectively.
3. ventilation steel channel according to claim 2, is characterized in that, wherein has a described radiating ribs at least perpendicular to described top board and described base plate.
4. ventilation steel channel according to claim 2, is characterized in that, wherein has at least the cross section of a described air duct triangular in shape.
5. ventilation steel channel according to claim 4, is characterized in that, the number of described radiating ribs is two, and the number of the air duct that described cross section is triangular in shape is three.
6. ventilation steel channel according to claim 2, is characterized in that, described side plate is perpendicular to described top board and described base plate.
7. ventilation steel channel according to claim 2, is characterized in that, the width of described top board and described base plate is all greater than the height of described side plate.
8. ventilation steel channel according to claim 1, is characterized in that, the side of described ventilation steel channel body is provided with annular knurl decorative pattern.
9. a ventilation steel channel, it is characterized in that, comprise ventilation steel channel body, the end face of described ventilation steel channel body and bottom surface form the air duct that at least one direction along described ventilation steel channel body is arranged separately, and the air duct that described end face is formed and the air duct that described bottom surface is formed are separated by least one radiating ribs on described ventilation steel channel body.
10. ventilation steel channel according to claim 9, it is characterized in that, described ventilation steel channel body comprises two side plates, at least two rebounds and radiating ribs described at least one, described radiating ribs is between described two side plates, and described radiating ribs and described side plate are connected as one by described rebound.
11. ventilation steel channels according to claim 10, is characterized in that, described side plate and described radiating ribs are all perpendicular to described rebound.
12. 1 kinds of aeration structures, it is characterized in that, comprise at least two stack of laminations, described stack of lamination is provided with multiple teeth portion, be configured for the groove holding winding between adjacent teeth portion on same stack of lamination, between the teeth portion of the correspondence of adjacent stator core section, be provided with the ventilation steel channel in claim 1 to 11 described in arbitrary claim.
13. 1 kinds of motors, is characterized in that, comprise aeration structure according to claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850023.7U CN204271769U (en) | 2014-12-26 | 2014-12-26 | Ventilation steel channel, aeration structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850023.7U CN204271769U (en) | 2014-12-26 | 2014-12-26 | Ventilation steel channel, aeration structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204271769U true CN204271769U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420850023.7U Withdrawn - After Issue CN204271769U (en) | 2014-12-26 | 2014-12-26 | Ventilation steel channel, aeration structure and motor |
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| Country | Link |
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| CN (1) | CN204271769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578486A (en) * | 2014-12-26 | 2015-04-29 | 北京金风科创风电设备有限公司 | Ventilation channel steel, manufacturing method thereof, ventilation structure and motor |
| CN106357021A (en) * | 2016-08-29 | 2017-01-25 | 哈尔滨理工大学 | Improved structure for radial steel ventilation channels for large motor |
| CN106357022A (en) * | 2016-08-29 | 2017-01-25 | 哈尔滨理工大学 | Motor stator ventilating structure provided with streamline channel steel with I-shaped sections |
-
2014
- 2014-12-26 CN CN201420850023.7U patent/CN204271769U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578486A (en) * | 2014-12-26 | 2015-04-29 | 北京金风科创风电设备有限公司 | Ventilation channel steel, manufacturing method thereof, ventilation structure and motor |
| CN106357021A (en) * | 2016-08-29 | 2017-01-25 | 哈尔滨理工大学 | Improved structure for radial steel ventilation channels for large motor |
| CN106357022A (en) * | 2016-08-29 | 2017-01-25 | 哈尔滨理工大学 | Motor stator ventilating structure provided with streamline channel steel with I-shaped sections |
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