CN204906037U - Driver and fan of fan - Google Patents
Driver and fan of fan Download PDFInfo
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- CN204906037U CN204906037U CN201520690274.8U CN201520690274U CN204906037U CN 204906037 U CN204906037 U CN 204906037U CN 201520690274 U CN201520690274 U CN 201520690274U CN 204906037 U CN204906037 U CN 204906037U
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- stator module
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- rotor
- permanent magnet
- driver
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Abstract
The utility model relates to a driver and fan of fan, this driver include rotor casing (1) and set up stator module (2) in this rotor casing (1), rotor casing (1) can be rotatory around the head of this stator module (2), wherein, the driver still includes rotor magnet subassembly, and this rotor magnet unit mount is in rotor casing (1) is gone up and is centered on the head setting of stator module (2), rotor magnet subassembly include with head corresponding and N that set up the in turn utmost point and the S utmost point of stator module (2). The utility model discloses a rotor magnet subassembly direct mount in the driver of fan is on the rotor casing. Through above -mentioned technical scheme, so not only simplified the structure, reduce the installation complexity, but also improved magnetic conductivity ability, the cost is reduced.
Description
Technical field
The utility model relates to appliance field, particularly, relates to a kind of driver and fan of fan.
Background technology
At present, the permanent magnet of the DC fan on market adopts the most frequently used NSNS order arrangement usually, namely permanent magnet is that NSNS order sets gradually towards the magnetic pole of the side of stator module, and permanent magnet is fixed in rotor yoke, and rotor yoke is fixed on shell again.For such structure, not only assembling trouble between rotor yoke and shell, but also cause installation cost higher.
The method made improvements in prior art mainly adopts and to make between shell from rotor yoke by different materials or adopt different technique to carry out connection to be optimized design.
Utility model content
The purpose of this utility model is to provide a kind of driver of fan, and the rotor magnet assembly of this driver is directly installed on rotor case.
To achieve these goals, the utility model provides the driver of fan, this driver comprises rotor case and is arranged on the stator module in this rotor case, described rotor case can around the end rotation of this stator module, wherein, described driver also comprises rotor magnet assembly, and this rotor magnet assembly is arranged on described rotor case and around the head of described stator module and arranges, and described rotor magnet assembly comprises and the N pole that is arranged alternately and S pole corresponding with the head of described stator module.
Preferably, the inside of described rotor magnet assembly magnetic induction line along the head of described stator module circumferential direction around.
Preferably, described rotor magnet assembly comprises N pole permanent magnet and S pole permanent magnet, and the N pole of this N pole permanent magnet is towards described stator module, and the S pole of described S pole permanent magnet is towards described stator module.
Preferably, described rotor magnet assembly also comprises and to be arranged between described N pole permanent magnet and S pole permanent magnet and can along the magnetic conductive part of the circumferential direction magnetic conduction of the head of described stator module.
Preferably, described magnetic conductor is permanent magnet, and the N pole of described magnetic conductor is towards described N pole permanent magnet, and the S pole of described magnetic conductor is towards described S pole permanent magnet.
The utility model also provides a kind of fan, and this fan comprises blade, and wherein, this fan comprises driver described in the utility model, and described blades installation is on described rotor case and jointly rotate with described rotor case, and described stator module can be connected with power supply.
Rotor magnet assembly in the driver of fan of the present utility model is directly installed on rotor case.By technique scheme, which not only simplifies structure, reduce and complexity is installed, but also improve magnetic property, reduce cost.
Other features and advantages of the utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the decomposition view of the driver according to the utility model preferred implementation;
Fig. 2 is the front view of the driver according to the utility model preferred implementation, and wherein arrow represents the direction of magnetic induction line.
Description of reference numerals
1 rotor case; 2 stator modules; 31N pole permanent magnet; 32S pole permanent magnet; 4 magnetic conductive parts.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality of use should suitably be understood in the direction by reference to the accompanying drawings and in device practical application.
The utility model provides a kind of driver of fan, the stator module 2 that this driver comprises rotor case 1 and is arranged in this rotor case 1, described rotor case 1 can around the end rotation of this stator module 2, wherein, described driver also comprises rotor magnet assembly, this rotor magnet assembly is arranged on described rotor case 1 and around the head of described stator module 2 and arranges, and described rotor magnet assembly comprises and the N pole that is arranged alternately and S pole corresponding with the head of described stator module 2.
According to the technical solution of the utility model, rotor magnet assembly is directly installed on rotor case 1, thus eliminate rotor magnet assembly is arranged in rotor yoke, then rotor yoke is arranged on the step on rotor case 1, overall structure and installation steps are all simplified.
Particularly, this rotor case 1 and rotor magnet assembly can be selected material any suitable in prior art to manufacture, and the connection between rotor case 1 and rotor magnet assembly also can adopt mode any suitable in prior art to realize, and the utility model is not limited this.
Stator module 2 also can adopt stator module any suitable in prior art to realize.This stator module 2 normally comprises head and installation shaft, and head is usually set to plate-like and is connected with this installation shaft and is fixedly mounted by this installation shaft, and this installation shaft is arranged on the central axis of head usually.The head of stator module 2 comprises the multiple teeth radially extended, and the plurality of tooth circumferentially direction is uniformly distributed, and each tooth is arranged two groups of coils, thus to be energized respectively the polarity of tooth of the head controlling stator module 2 by controlling two groups of coils.
Preferably, this rotor magnet assembly can select arbitrarily used form in prior art, rotor magnet assembly is arranged around the head of stator module 2, and adopt the form of such as multiple bar magnet, the N pole of the plurality of bar magnet and S pole is phase ground connection makeup ring shape rotor magnet assembly successively, like this, the position magnetic field intensity connected at the magnetic pole of adjacent two bar magnet is the strongest, thus make rotor magnet assembly comprise and the N pole that is arranged alternately and S pole corresponding with the head of stator module 2, the polarity of the tooth of head is controlled by the energising controlling stator module coil, thus rotor case 1 can be rotated around stator module 2.
Rotor magnet assembly in the driver of fan of the present utility model is directly installed on rotor case.By technique scheme, which not only simplifies structure, reduce and complexity is installed, but also improve magnetic property, reduce cost.
Preferably, the inside of described rotor magnet assembly magnetic induction line along the head of described stator module 2 circumferential direction around.This eliminate rotor yoke iron core, middle auxiliary permanent magnet serves the effect of rotor yoke, and this spline structure is simple, and cost is lower.
In the another kind of preferred implementation of rotor magnet assembly of the present utility model, preferably, described rotor magnet assembly comprises N pole permanent magnet 31 and S pole permanent magnet 32, and the N pole of this N pole permanent magnet 31 is towards described stator module 2, and the S pole of described S pole permanent magnet 32 is towards described stator module 2.
Wherein, N pole permanent magnet 31 and S pole permanent magnet 32 are preferably arranged spaced reciprocally, and the radial direction that the magnetic induction line of the inside of this N pole permanent magnet 31 and S pole permanent magnet 32 is preferably along the head of stator module 2 is arranged, namely the N pole of N pole permanent magnet 31 and the S pole of S pole permanent magnet 32 are arranged towards the tooth of the head of stator module 2, when giving the coil electricity of stator module 2, magnetic force between the tooth of rotor magnet assembly and stator module 2 is stronger, therefore makes the efficiency of driver higher.
Preferably, described rotor magnet assembly also comprises and to be arranged between described N pole permanent magnet 31 and S pole permanent magnet 32 and can along the magnetic conductive part 4 of the circumferential direction magnetic conduction of the head of described stator module 2.
Due to the magnetic induction line of permanent magnet 31 inside, N pole by S pole to N pole, namely the head of stator module 2 is radially pointed in permanent magnet 31 inside, N pole, in like manner, the magnetic induction line of S pole permanent magnet 32 inside is radially away from the head points rotor case 1 of stator module 2.Therefore, in order to make magnetic induction line in rotor magnet component integration can continuously and along the head of stator module 2 circumferential direction around, between N pole permanent magnet 31 and S pole permanent magnet 32, magnetic conductive part 4 is set.
This magnetic conductive part 4 can select the material be suitable for that in prior art, any one can play magnetic conduction effect to realize.And the quantity of this magnetic conductive part 4 and size can be arranged according to actual needs, and the utility model is not limited.
Preferably, described magnetic conductive part 4 is permanent magnet, and, because the N pole of N pole permanent magnet 31 is radially towards the head of stator module 2, therefore the S pole of N pole permanent magnet 31 is away from the head of stator module 2, in like manner, the N pole of S pole permanent magnet 32 is away from the head of stator module 2, in order to make rotor magnet component internal magnetic induction line can continuously and around the head of stator module 2 circumferential direction around, correspondingly, the N pole of described magnetic conductive part 4 is towards described N pole permanent magnet 31, and the S pole of described magnetic conductive part 4 is towards described S pole permanent magnet 32.
By above-mentioned preferred implementation, not only structure is simple, easy for installation can to make driver, and can reduce magnetic resistance, makes magnetic flux larger, improves drive efficiency.
In addition, the utility model also provides a kind of fan, and this fan comprises blade, wherein, this fan comprises driver described in the utility model, and described blades installation is on described rotor case 1 and jointly rotate with described rotor case 1, and described stator module can be connected with power supply.
By preferred implementation and the operation principle thereof of driver mentioned above, when drive operation, rotor case 1 can rotate around stator module 2, thus drives blade rotary.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned execution mode; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection range of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different execution mode of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (6)
1. the driver of a fan, this driver comprises rotor case (1) and is arranged on the stator module (2) in this rotor case (1), described rotor case (1) can around the end rotation of this stator module (2), it is characterized in that, described driver also comprises rotor magnet assembly, this rotor magnet assembly is arranged on the upper and head around described stator module (2) of described rotor case (1) and arranges, and described rotor magnet assembly comprises and the N pole that is arranged alternately and S pole corresponding with the head of described stator module (2).
2. driver according to claim 1, is characterized in that, the magnetic induction line of the inside of described rotor magnet assembly along the head of described stator module (2) circumferential direction around.
3. driver according to claim 1, it is characterized in that, described rotor magnet assembly comprises N pole permanent magnet (31) and S pole permanent magnet (32), the N pole of this N pole permanent magnet (31) is towards described stator module (2), and the S pole of described S pole permanent magnet (32) is towards described stator module (2).
4. driver according to claim 3, it is characterized in that, described rotor magnet assembly also comprises and to be arranged between described N pole permanent magnet (31) and S pole permanent magnet (32) and can along the magnetic conductive part (4) of the circumferential direction magnetic conduction of the head of described stator module (2).
5. driver according to claim 4, it is characterized in that, described magnetic conductive part (4) is permanent magnet, the N pole of described magnetic conductive part (4) is towards described N pole permanent magnet (31), and the S pole of described magnetic conductive part (4) is towards described S pole permanent magnet (32).
6. a fan, this fan comprises blade, it is characterized in that, this fan comprises the driver in the claims 1-5 described in any one, described blades installation is gone up at described rotor case (1) and is jointly rotated with described rotor case (1), and described stator module can be connected with power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520690274.8U CN204906037U (en) | 2015-09-07 | 2015-09-07 | Driver and fan of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520690274.8U CN204906037U (en) | 2015-09-07 | 2015-09-07 | Driver and fan of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906037U true CN204906037U (en) | 2015-12-23 |
Family
ID=54928183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520690274.8U Active CN204906037U (en) | 2015-09-07 | 2015-09-07 | Driver and fan of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204906037U (en) |
-
2015
- 2015-09-07 CN CN201520690274.8U patent/CN204906037U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |