CN202094721U - Engine cooling system and cooling module and motor of engine cooling system - Google Patents
Engine cooling system and cooling module and motor of engine cooling system Download PDFInfo
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- CN202094721U CN202094721U CN2011200486774U CN201120048677U CN202094721U CN 202094721 U CN202094721 U CN 202094721U CN 2011200486774 U CN2011200486774 U CN 2011200486774U CN 201120048677 U CN201120048677 U CN 201120048677U CN 202094721 U CN202094721 U CN 202094721U
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- winding slot
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- groove
- cooling system
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Abstract
The utility model relates to an engine cooling system and a cooling module and a motor of the engine cooling system. A stator of the motor is provided with 2P magnetic poles, a rotor core is provided with n winding grooves, wherein n is more than 2P and is equal to the integral multiple of 2P. The n winding grooves form into two groove combinations, each groove combination comprises an initial winding groove (A), n/2P-1 second type of winding grooves (B1-B4) and a plurality of third type of winding grooves (C1-C5) which are continuously arranged along a first circle direction (F). The depth of the initial winding groove (A) and the n/2P-1 second type of winding grooves (B1-B4) are decreased gradually. The rotor adopts a diametral winding, a coil component (W1) which is firstly wound is positioned at the initial winding groove and winds n/2P-1 teeth in a crossing way along the first circle direction, and coil components (W2-W10) which are formed in a follow-up manner respectively deviate a scheduled distance with the coil component (W1) which is firstly wound along the first circle direction (F). In the engine cooling system and the cooling module and the motor of the engine cooling system, the axial size of the motor is shortened and the service life of the motor is prolonged, thereby prolonging the service life of the engine cooling system.
Description
Technical field
The utility model relates to the engine cooling system, relates in particular to the motor of engine cooling module and use thereof.
Background technology
U.S. Patent Application Publication discloses a kind of motor of cooling automobile engine for US20080201928 number, the stator of this motor has 4 permanent magnets and forms 4 magnetic poles, rotor core has 20 teeth and forms 20 winding slots, the rotor winding adopts lap winding, the span of each coil part is 3 winding slots, belongs to the short distance winding.The shortcoming of this motor is that coil part is higher at the overlapping height of the end of rotor core, has increased the axial length of motor; Commutation spark is big, has shortened the useful life of motor.
Summary of the invention
A purpose of the present utility model improves the electrical machinery life of cooling module, and shortens the axial dimension of motor.For this reason, the motor that the utility model provides is used to cool off module comprises stator and rotor, and described stator has 2P magnetic pole, and P is the integer more than or equal to 1; Described rotor comprises: rotating shaft; Be fixed to the commutator of rotating shaft; Be fixed to the rotor core and the winding of rotating shaft.Rotor core has n tooth and n winding slot, and n is greater than 2P and equal the integral multiple of 2P, and a described n winding slot has the two or more degree of depth.Each coil part of winding is striden around n/2P tooth and with the commutator segment of commutator and is electrically connected.
As a kind of improvement project, P is 2, and n is 20.
As a kind of improvement project, a described n winding slot comprises a groove combination at least, and each groove combination comprises along first circumferencial direction of rotor core continuously arranged: an initial winding slot; The winding slot of n/2P-1 second type; And the winding slot of several the 3rd types.Along described first circumferencial direction, the degree of depth of a described initial winding slot and a described n/2P-1 winding slot reduces gradually.
As a kind of preferred version, form on the outer peripheral face of a tooth of described initial winding slot and have blind groove.
As a kind of improvement project, in the described winding, the coil part of coiling at first is positioned at described initial winding slot, and stride around n/2P tooth along described first circumferencial direction, the coil part of follow-up formation departs from predetermined distance along the coil part of described first circumferencial direction (F) and described coiling at first respectively.
As a kind of improvement project, described winding slot also comprises two or more groove combinations, and the initial winding slot of each groove combination evenly separates.
As a kind of improvement project, the tooth that forms the winding slot of described the 3rd type tilts along the described first circumferencial direction F.
As a kind of improvement project, other teeth tilt against described first circumferencial direction.
As a kind of improvement project, the winding slot of described the 3rd type has the identical degree of depth.
As a kind of improvement project, the channel opening of a described n winding slot circumferentially evenly distributes along rotor core.
The utility model also provides a kind of engine cooling system, comprises the circulation line that connects water tank, engine and radiator, comprises flabellum and above-mentioned motor, and the rotating shaft of motor drives described flabellum, and flabellum is used for cooling radiator.
Implement the utility model, can shorten the axial dimension of motor and prolong useful life of motor, thereby prolong the useful life of engine cooling system.
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet institute's accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
In the accompanying drawing:
Fig. 1 is the schematic diagram of the engine cooling system that provides of example of the utility model;
Fig. 2 is the motor that is used for drive fan in the engine cooling system shown in Figure 1;
Fig. 3 is the schematic diagram after motor shown in Figure 2 unloads bottom end cover;
Fig. 4 is the plan view of the rotor core of motor shown in Figure 2;
Fig. 5 is the schematic diagram of rotor core shown in Figure 4 and winding thereof.
Embodiment
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.
With reference to figure 1, the engine cooling system that the utility model provides comprises the circulation line 14 of joining water box 10, engine 12 and radiator 16 and the cooling module 18 that is used for cooling radiator 16.Cooling fluid under the driving of circulating pump (not shown), along circulation line 14 with the transfer of heat of engine 12 to radiator 16, be back to water tank 10 subsequently.Cooling module 18 comprises motor 18b and flabellum 18a, and flabellum 18a produces air stream with cooling radiator 16 under the driving of motor 18b.
Referring to figs. 2 to Fig. 5, motor 18b comprises stator and rotor, stator comprises shell 25, be fixed to four permanent magnets 26 of shell 25 inwalls, be installed to shell 25 ends end cap 27, be installed to the bearing 29 of end cap 27 etc.In the present embodiment, permanent magnet forms 4 magnetic poles altogether; If use P represents the logarithm of magnetic pole, so, 2P=4 in the present embodiment.Rotor comprises rotating shaft 21, be fixed to the commutator (not shown) of rotating shaft 21, be fixed to rotor core 22, rotor winding 24 of rotating shaft etc., and wherein, the rotor winding is wound into the tooth of rotor core and is electrically connected to the commutator segment of commutator.Rotor is pivotally mounted in the stator, and rotating shaft 21 is supported by bearing 29, is used to drive flabellum 18a.
With reference to figure 4 and Fig. 5, rotor core 22 has 20 teeth and 20 winding slots, that is, the number of teeth equals the quantity of winding slot, and equals the integral multiple of stator magnet number of poles 2P.If use n to represent the number of teeth (the perhaps quantity of winding slot), so, in the present embodiment, n is greater than 2P, and n equals the integral multiple of 2P.
20 winding slots of rotor core 22 are divided into two groove combinations, and each groove combination comprises along the first circumferencial direction F of rotor core continuously arranged 10 winding slot A, B1～B4 and C1～C5.Particularly, these 10 winding slots comprise: an initial winding slot A, and the winding slot B1～B4 of 4 second types, and the winding slot C1～C5 of 5 the 3rd types, wherein, winding slot B1 is adjacent with initial winding slot A.Along the described first circumferencial direction F, the degree of depth of initial winding slot A and adjacent 4 winding slot B1～B4 thereof reduces gradually; And the bottom of winding slot C1～C5 is located substantially on the same circumference.
In other words, each groove combination comprises along continuously arranged 1 an initial winding slot of circumferencial direction, the winding slot of n/2P-1 continuously arranged second type and the winding slot of several the 3rd types, wherein, the degree of depth of the winding slot of described initial winding slot, continuously arranged second type of n/2P-1 reduces gradually.
In the present embodiment, the initial winding slot A of each groove combination evenly separates along first circumferencial direction, to improve the rotary balance of rotor core 22.Should recognize that rotor core 22 can have two groups of above groove combinations, under this situation, the initial winding slot of each groove combination evenly distributes to improve the balance of rotor.
The coil part W1 of coiling at first is positioned at initial winding slot A and strides around 5 teeth along the described first circumferencial direction F, and the coil part W2～W10 of follow-up formation departs from 1～9 tooth along described first circumferencial direction F and coil part W1 respectively.The degree of depth of winding slot B1～B4 reduces gradually, has alleviated the overlapping degree of coil part in rotor core 22 two axial ends, has shortened the axial dimension of winding 24, and then has shortened the axial dimension of motor.
Form on the outer peripheral face of a tooth of initial winding slot A and have blind groove 23, an effect of blind groove 23 is the location in the automatic winding process so that with coil part W1 coiling to corresponding position.Another effect of blind groove 23 is the cogging torque (cogging torque) that improves motor, preferably, blind groove 23 forms on the tooth between the winding slot B1 with initially the winding slot A and second type, and blind groove 23 from the distance of the channel opening of winding slot A less than the distance of blind groove 23 from the channel opening of winding slot B1.
In the present embodiment, the channel opening of 20 winding slots of rotor core 22 circumferentially evenly distributes along rotor core 22, so that the automation coiling.The tooth that forms the winding slot C1～C5 of the third type tilts along the first circumferencial direction F, other teeth tilt against the first circumferencial direction F, the automation coiling both had been convenient in this design, further alleviated the overlapping situation of coil part again, helped shortening the axial dimension of motor in rotor core end 22.
As mentioned above, the winding slot of rotor core 22 has the different degree of depth, thereby has shortened the axial dimension of motor.In addition, the span of coil part equals n/2P, belongs to whole apart from winding, thereby has increased the power energy of motor, has reduced commutation spark, has prolonged the life-span of motor.
Above motor in conjunction with 4 utmost points, 20 grooves is set forth the utility model.Should recognize that principle of the present utility model is tried out in the motor of other utmost point groove numbers, as long as the winding slot quantity n of rotor equals the number of magnetic poles 2P of stator.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection range of claim of the present utility model.
Claims (11)
1. a motor that is used to cool off module comprises stator and rotor, and described stator has 2P magnetic pole, and P is the integer more than or equal to 1, it is characterized in that, described rotor comprises:
Rotating shaft (21);
Be fixed to the commutator of rotating shaft (21);
Be fixed to the rotor core (22) of rotating shaft, it has n tooth and n winding slot, and n is greater than 2P and equal the integral multiple of 2P, and a described n winding slot has the two or more degree of depth;
Winding (24), each coil part of winding are striden around n/2P tooth and with the commutator segment of commutator and are electrically connected.
2. motor according to claim 1 is characterized in that, P is 2, and n is 20.
3. motor according to claim 1 is characterized in that, a described n winding slot comprises a groove combination at least, and each groove combination comprises along first circumferencial direction (F) of rotor core (22) continuously arranged:
An initial winding slot (A);
The winding slot of n/2P-1 second type (B1～B4), along described first circumferencial direction (F), (degree of depth of B1～B4) reduces gradually for a described initial winding slot (A) and a described n/2P-1 winding slot;
The winding slot of several the 3rd types (C1～C5).
4. motor according to claim 3, it is characterized in that, in the described winding (24), the coil part of coiling at first (W1) is positioned at described initial winding slot (A) and strides around n/2P tooth along described first circumferencial direction, and (W2～W10) departs from predetermined distance along the coil part (W1) of described first circumferencial direction (F) and described coiling at first respectively to the coil part of follow-up formation.
5. motor according to claim 3 is characterized in that, described winding slot comprises two or more groove combinations, and the initial winding slot (A) of each groove combination evenly separates.
6. motor according to claim 3 is characterized in that, (tooth of C1～C5) tilts along described first circumferencial direction (F) to form the winding slot of described the 3rd type; Other teeth tilt against described first circumferencial direction (F).
7. motor according to claim 3 is characterized in that, forms on the outer peripheral face of a tooth of described initial winding slot (A) to have blind groove (23).
8. motor according to claim 3 is characterized in that, (bottom of C1～C5) is positioned at same circumference to the winding slot of described the 3rd type.
9. according to any described motor in the claim 1 to 8, it is characterized in that the channel opening of a described n winding slot circumferentially evenly distributes along rotor core.
10. a cooling module is characterized in that, comprises flabellum (18a) and as any described motor (18b) in the claim 1 to 9, the rotating shaft of motor (21) drives described flabellum (18a).
11. engine cooling system, comprise the circulation line (14) that connects water tank (10), engine (12) and radiator (16), it is characterized in that also comprise cooling module as claimed in claim 10, the flabellum of described cooling module (18a) is used for cooling radiator (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200486774U CN202094721U (en) | 2011-02-25 | 2011-02-25 | Engine cooling system and cooling module and motor of engine cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200486774U CN202094721U (en) | 2011-02-25 | 2011-02-25 | Engine cooling system and cooling module and motor of engine cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202094721U true CN202094721U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200486774U Expired - Fee Related CN202094721U (en) | 2011-02-25 | 2011-02-25 | Engine cooling system and cooling module and motor of engine cooling system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202094721U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651580A (en) * | 2011-02-25 | 2012-08-29 | 德昌电机(深圳)有限公司 | Engine cooling system, cooling module and motor |
| CN104321958A (en) * | 2012-05-25 | 2015-01-28 | 株式会社美姿把 | Electric motor |
| WO2023160526A1 (en) * | 2022-02-28 | 2023-08-31 | 广东肇庆爱龙威机电有限公司 | Brush direct current electric motor |
-
2011
- 2011-02-25 CN CN2011200486774U patent/CN202094721U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651580A (en) * | 2011-02-25 | 2012-08-29 | 德昌电机(深圳)有限公司 | Engine cooling system, cooling module and motor |
| CN104321958A (en) * | 2012-05-25 | 2015-01-28 | 株式会社美姿把 | Electric motor |
| US9831728B2 (en) | 2012-05-25 | 2017-11-28 | Mitsuba Corporation | Electric motor |
| CN104321958B (en) * | 2012-05-25 | 2018-02-06 | 株式会社美姿把 | Motor |
| US10615650B2 (en) | 2012-05-25 | 2020-04-07 | Mitsuba Corporation | Electric motor |
| WO2023160526A1 (en) * | 2022-02-28 | 2023-08-31 | 广东肇庆爱龙威机电有限公司 | Brush direct current electric motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170310 Address after: Baoan District Shenzhen City manhole street 518125 Guangdong province Shangliao community Xinsha road Dechang Motor Factory Patentee after: Guangdong Dechang Motor Co.,Ltd. Address before: Two new industrial village in Baoan District Shenzhen City manhole town of Guangdong Province in 518125 Patentee before: Johnson Electric (Shenzhen) Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20200225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |