CN206712590U - The open machine of built-in axial air-out fan - Google Patents
The open machine of built-in axial air-out fan Download PDFInfo
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- CN206712590U CN206712590U CN201720607448.9U CN201720607448U CN206712590U CN 206712590 U CN206712590 U CN 206712590U CN 201720607448 U CN201720607448 U CN 201720607448U CN 206712590 U CN206712590 U CN 206712590U
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Abstract
A kind of open machine of built-in axial air-out fan is the utility model is related to, solves the problems, such as the radiating effect difference of fan in the prior art, the technical scheme of use：The fan includes arch brace plate, bezel ring, plate, hub and blade, the hub is arranged on the middle part of the supporting plate, the bezel ring, plate includes circular ring plate and cylindrical portion, the cylindrical portion stands in the outer of the circular ring plate, the cylindrical portion is set to surround the radial outer periphery of the fan, the blade connection circular ring plate and the supporting plate, the radial outer end of the blade are connected with the inwall of the cylindrical portion.Its effect：Change fan structure, make fan air-out direction radially, directly to blow to stator winding and rotor core, reduce wind and be obstructed caused loss.Stator and rotor structure are improved, specifically, vent passages or stronger ventilation passage is set up, wind is passed through stator and rotor, more limited motor can be cooled, is advantageous to improve motor reliability, improves the service life of motor.
Description
Technical field
It the utility model is related to a kind of motor, more particularly to a kind of open machine of built-in axial air-out fan.
Background technology
As shown in figure 1, the fit structure of the fan, stator and rotor in motor, limited to the cooling-down effect of motor, influence
Motor reliability, or even influence the service life of motor.
Specifically, it is too high to solve motor temperature rise, it usually needs installation fan is to electric motor temperature reduction, as shown in Fig. 2 fan
Blade is arranged on circumferencial direction and stood between disk and ring plate, and the air outlet of fan is towards motor casing inwall, during fan work
Radial direction air-out.The air outlet of the type fan is not direct alignment machine winding, and radial direction air-out blows to motor casing inwall, wind by
Motor casing inwall stops, changes wind direction, blows to machine winding, and during stop, wind energy is lost, and blows to the air quantity of machine winding
Reduce, air quantity utilization rate is low.Motor in the process of running, it is too small to blow to machine winding air quantity, it is impossible to fully cools to motor, electricity
Temperature rise is too high when machine works, and influences motor reliability, or even influence the service life of motor.
As shown in figure 3, stator is only aerated by the axial pass trough on its surface, groove sectional area is small, and ventilation effect is paid no attention to
Think.As shown in figure 4, the cast-aluminum rotor in motor is axially not provided with air vent, the wind that fan is produced by boasting, turn through motor casing inwall
Backward, axially blow to machine winding, wind between machine winding and motor casing inwall axially across, do not blow to cast-aluminum rotor,
Cast-aluminum rotor can not be cooled, it is impossible to further fully cooled to motor, temperature rise is too high when motor works, and influences
Motor reliability, or even influence the service life of motor.
The content of the invention
The purpose of this utility model is solve above mentioned problem existing for prior art and provide axial air-out built in one kind
The open machine of fan, change fan structure, make fan air-out direction radially, directly to blow to stator winding and rotor core,
Reduce wind to be obstructed caused loss, further improve stator and rotor structure, wind is passed through stator and rotor, Neng Gougeng
Motor is cooled to be limited, is advantageous to improve motor reliability, improves the service life of motor.
What above-mentioned technical purpose of the present utility model mainly solved by the following technical programs：Built-in axial air-out fan
Open machine, including electric machine casing, be arranged on rotor in electric machine casing, with the stator of rotor engagement and to electric motor temperature reduction
Fan, it is characterised in that the fan includes arch brace plate, bezel ring, plate, hub and blade, and the hub is arranged on the support
The middle part of plate, the bezel ring, plate include circular ring plate and cylindrical portion, and the cylindrical portion stands in the outer of the circular ring plate, makes the circle
Cylinder portion surrounds the radial outer periphery of the fan, the blade connection circular ring plate and the supporting plate, the radial outer end of the blade
It is connected with the inwall of the cylindrical portion.Correspond on electric machine casing and air inlet is set at fan, it is corresponding in stator and rotor
Other side sets air outlet, by changing fan structure, makes fan air-out direction radially, directly to blow to stator winding and turning
Sub- iron core, wind is smoothly carried out axial flowing in motor, avoid wind from turning to flow axially rearward through electric machine casing, avoid wind from turning
To loss is produced, the wind for coming out fan is all used to cool down motor, more limited motor can be cooled, is advantageous to carry
High motor reliability, improve the service life of motor.
As further improving and supplementing to above-mentioned technical proposal, the utility model uses following technical measures：It is described
Blade include short blade and linear leaf, a piece of short blade, a piece of linear leaf and so on, are circumferentially arranged, the short blade
Radial inner end be connected with the outer of the supporting plate, the side that the madial wall of the linear leaf corresponds to the supporting plate is stood
On the face of the supporting plate, the inner of the linear leaf is connected on the hub.On the setting of linear leaf and short blade, if
It is all excessive using linear leaf, exclusion；If all using short blade, blade area is small, influences air quantity.Therefore using linear leaf and
Short blade interlocks equally distributed scheme, substantially increases air quantity.
Arc transition connects between the cylindrical portion and circular ring plate connecting portion.Arc transition is advantageous to avoid the hair of vortex
It is raw, greatly improve air-out efficiency.
The first axial vent passages are formed between the outer wall of the stator and the electric machine casing inwall.First axial ventilation
The setting of passage, the wind that fan comes out is flowed to air outlet by the passage, improve the smoothness of wind flow, improve cooling effect
Fruit.
The stator outer wall is at least uniformly arranged two ventilation planes, and the first axial vent passages are flat for the ventilation
The axial passage formed between face and the electric machine casing inwall.Trimming mouth is carried out to stator outer wall and forms ventilation plane.Typically
In the case of, ventilation plane is symmetrical arranged.In order to improve the sectional area of the first axial vent passages, ventilation plane set four be compared with
Good scheme, certain two ventilations plane, three ventilation planes, five planes etc. of divulging information are also feasible.
Axial ventilation groove, the axial ventilation groove and institute are also set up on stator outer wall between the adjacent ventilation plane
State and form the second axial ventilation passage between electric machine casing inwall.Due to wall wide outside the stator between the adjacent ventilation plane
Degree is narrower, by way of setting axial ventilation groove, reaches wind energy and more smoothly carries out axial flowing, further improves cooling effect
Fruit.
3rd axial ventilation passage is set on the rotor core.If the 3rd axial ventilation passage is arterial highway, it is uniformly arranged
On rotor core.By the 3rd axial ventilation passage, wind is passed through rotor core, rotor core is effectively dropped
Temperature.
The end set fan blade of the rotor core.If fan blade is dry plate, it is uniformly distributed, fan blade is integrally tied with rotor core
Structure, both facilitate production and processing, be also convenient for assembling, reduce fault rate.Being provided with for fan blade is beneficial to the wind for coming out fan smoothly
Into the 3rd axial ventilation passage, stop of the rotor core end to wind is reduced.
The utility model has the advantage that：1st, change fan structure, make fan air-out direction radially, directly to blow to
Stator winding and rotor core, reduce wind and be obstructed caused loss.2nd, stator and rotor structure are improved, specifically, is set up logical
Wind passage or stronger ventilation passage, make wind pass through stator and rotor, more limited motor can be cooled, favorably
In improving motor reliability, the service life of motor is improved.3rd, arc transition connects between cylindrical portion and circular ring plate connecting portion.
Arc transition is advantageous to avoid the generation of vortex, greatly improves air-out efficiency.4th, staggeredly uniformly divided using linear leaf and short blade
The scheme of cloth, substantially increases air quantity.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of prior art corresponding to the utility model.
Fig. 2 is the structural representation of fan in Fig. 1.
Fig. 3 is the structural representation of stator in Fig. 1.
Fig. 4 is the structural representation of rotor in Fig. 1.
Fig. 5 is cross section structure diagram of the present utility model.
Fig. 6 is the structural representation of fan in Fig. 5.
Fig. 7 is Fig. 6 backsight structural representation.
Fig. 8 is the structural representation of stator in Fig. 5.
Fig. 9 is the structural representation of rotor in Fig. 5.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment：As shown in figure 5, the open machine of built-in axial air-out fan, including electric machine casing 1, it is arranged on motor
Stator 3 and the fan 4 to electric motor temperature reduction of rotor 2 and rotor engagement in housing.The He of air inlet 5 is set on electric machine casing 1
Air outlet 6
As illustrated in figs. 5-7, the fan 4 includes arch brace plate 41, bezel ring, plate, hub 42 and blade, and the hub is arranged on
The middle part of the supporting plate, the bezel ring, plate include circular ring plate 43 and cylindrical portion 44, and the cylindrical portion stands in the circular ring plate
Outer, the cylindrical portion is set to surround the radial outer periphery of the fan, the blade connection circular ring plate and the supporting plate, the leaf
The radial outer end of piece is connected with the inwall of the cylindrical portion.Correspond on electric machine casing and air inlet be set at fan, in stator and
The corresponding other side of rotor sets air outlet, by changing fan structure, makes fan air-out direction radially, directly to blow to
Stator winding and rotor core, wind is smoothly carried out axial flowing in motor, avoid wind from turning axially rearward through electric machine casing
Flowing, shift of wind is avoided to produce loss, the wind for coming out fan is all used to cool down motor, more limited can be carried out to motor
Cooling, be advantageous to improve motor reliability, improve the service life of motor.
Preferably, arc transition connects between the cylindrical portion and circular ring plate connecting portion.Arc transition is advantageous to keep away
Exempt from the generation of vortex, greatly improve air-out efficiency.
To with blade for, as shown in Figure 6 and Figure 7, described blade includes short blade 45 and linear leaf 46, a piece of short leaf
Piece, a piece of linear leaf and so on, are circumferentially arranged, and the radial inner end of the short blade is connected with the outer of the supporting plate,
The madial wall of the linear leaf correspond to the supporting plate a side stand on the face of the supporting plate, the linear leaf it is interior
End is connected on the hub.On the setting of linear leaf and short blade, if all excessive using linear leaf, exclusion；If all adopt
With short blade, blade area is small, influences air quantity.Therefore interlocked equally distributed scheme using linear leaf and short blade, carried significantly
High air quantity.
As shown in figure 1, the first axial vent passages 31 are formed between the outer wall of the stator and the electric machine casing inwall.
The setting of first axial vent passages, the wind that fan comes out is flowed to air outlet by the passage, improve the smoothness of wind flow,
Improve cooling-down effect.
As illustrated in figures 1 and 8, the stator outer wall is at least uniformly arranged two ventilation planes 32, and described first is axially logical
The axial passage that wind passage is formed between the ventilation plane and the electric machine casing inwall.Trimming mouth is carried out to stator outer wall
Form ventilation plane.Generally, ventilation plane is symmetrical arranged.In order to improve the sectional area of the first axial vent passages, lead to
It is preferred version that wind plane, which sets four, certain two ventilations planes, three ventilation planes, five planes etc. of divulging information are also can
Capable.
As shown in figure 8, also set up axial ventilation groove 33, the axle on stator outer wall between the adjacent ventilation plane
To forming the second axial ventilation passage between ventilation slot and the electric machine casing inwall.Due between the adjacent ventilation plane
Stator outer wall narrower width, by way of axial ventilation groove is set, reaches wind energy and more smoothly carry out axial flowing, enter one
Step improves cooling-down effect.
As shown in Fig. 1 and Fig. 9, the 3rd axial ventilation passage 21 is set on the rotor core 2.3rd axial ventilation passage
If being arterial highway, it is uniformly arranged on rotor core.By the 3rd axial ventilation passage, wind is set to pass through rotor core, to turning
Sub- iron core carries out effective temperature-reducing.
As shown in figure 9, the end set fan blade 22 of the rotor core.If fan blade is dry plate, it is uniformly distributed, fan blade is with turning
Sub- iron core integrative-structure, both facilitate production and processing, be also convenient for assembling, reduce fault rate.Being provided with for fan blade is beneficial to fan
The wind come smoothly enters the 3rd axial ventilation passage, reduces stop of the rotor core end to wind.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model.Above-mentioned
In embodiment, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model, made
Any modification, equivalent substitution and improvements etc., should be included within the scope of protection of the utility model.
Claims (8)
- The open machine of axial air-out fan built in 1., including electric machine casing, the rotor being arranged in electric machine casing, match somebody with somebody with rotor The stator of conjunction and the fan to electric motor temperature reduction, it is characterised in that the fan includes arch brace plate, bezel ring, plate, hub and leaf Piece, the hub are arranged on the middle part of the supporting plate, and the bezel ring, plate includes circular ring plate and cylindrical portion, and the cylindrical portion stands in institute The outer of circular ring plate is stated, the cylindrical portion is surrounded the radial outer periphery of the fan, the blade connection circular ring plate and the branch Fagging, the radial outer end of the blade are connected with the inwall of the cylindrical portion.
- 2. the open machine of built-in axial air-out fan according to claim 1, it is characterised in that described blade includes Short blade and linear leaf, a piece of short blade, a piece of linear leaf and so on, are circumferentially arranged, the radial inner end of the short blade It is connected with the outer of the supporting plate, the madial wall of the linear leaf stands in the support corresponding to a side of the supporting plate On the face of plate, the inner of the linear leaf is connected on the hub.
- 3. the open machine of built-in axial air-out fan according to claim 1 or 2, it is characterised in that the cylindrical portion with Arc transition connects between circular ring plate connecting portion.
- 4. the open machine of built-in axial air-out fan according to claim 1 or 2, it is characterised in that outside the stator The first axial vent passages are formed between wall and the electric machine casing inwall.
- 5. the open machine of built-in axial air-out fan according to claim 4, it is characterised in that the stator outer wall is extremely Be uniformly arranged two ventilation planes less, the first axial vent passages for ventilation plane and the electric machine casing inwall it Between the axial passage that is formed.
- 6. the open machine of built-in axial air-out fan according to claim 4, it is characterised in that the adjacent ventilation Axial ventilation groove is also set up on stator outer wall between plane, is formed between the axial ventilation groove and the electric machine casing inwall Second axial ventilation passage.
- 7. the open machine of built-in axial air-out fan according to claim 1 or 2, it is characterised in that the rotor core The 3rd axial ventilation passage of upper setting.
- 8. the open machine of built-in axial air-out fan according to claim 7, it is characterised in that the rotor core End set fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607448.9U CN206712590U (en) | 2017-05-27 | 2017-05-27 | The open machine of built-in axial air-out fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607448.9U CN206712590U (en) | 2017-05-27 | 2017-05-27 | The open machine of built-in axial air-out fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206712590U true CN206712590U (en) | 2017-12-05 |
Family
ID=60463110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720607448.9U Active CN206712590U (en) | 2017-05-27 | 2017-05-27 | The open machine of built-in axial air-out fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206712590U (en) |
-
2017
- 2017-05-27 CN CN201720607448.9U patent/CN206712590U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200721 Address after: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317525 Industrial Zone Patentee after: SHIMGE PUMP (ZHEJIANG) Co.,Ltd. Address before: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317525 Industrial Zone Patentee before: SHIMGE PUMP INDUSTRY Co.,Ltd. |