CN206807228U - A kind of motor internal fan and its motor - Google Patents

A kind of motor internal fan and its motor Download PDF

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Publication number
CN206807228U
CN206807228U CN201720667029.4U CN201720667029U CN206807228U CN 206807228 U CN206807228 U CN 206807228U CN 201720667029 U CN201720667029 U CN 201720667029U CN 206807228 U CN206807228 U CN 206807228U
Authority
CN
China
Prior art keywords
motor
substrate
internal fan
end ring
outside plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720667029.4U
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Chinese (zh)
Inventor
王晓帆
李文龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TELLHOW SHENYANG ELECTRIC MACHINE Co Ltd
Original Assignee
TELLHOW SHENYANG ELECTRIC MACHINE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201720667029.4U priority Critical patent/CN206807228U/en
Application granted granted Critical
Publication of CN206807228U publication Critical patent/CN206807228U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of motor internal fan and its motor, wherein, internal fan includes:Inner panel (1), outside plate (2) and multiple blades (3); inner panel (1) includes the substrate (11) that center is provided with first through hole (111); the periphery of substrate (11) is provided with along the axially extending protection board (12) of the substrate (11); the center of outside plate (2) is provided with the second through hole (21); outside plate (2) is arranged at the outside of inner panel (1), and parallel with the substrate (11) in inner panel (1);Multiple blades (3) be may be contained between substrate (11) and outside plate (2), and each blade (3) one end is fixedly connected with substrate (11), and the other end is fixedly connected with outside plate (2).Above-mentioned internal fan is provided with motor, the motor internal fan can prevent end ring and copper bar sliver from deforming upon under the action of the centrifugal force, and ensure the balance and stability of motor operation.

Description

A kind of motor internal fan and its motor
Technical field
The utility model disclose is related to motor cooling technical field, more particularly to a kind of motor internal fan and its Motor.
Background technology
Motor internal fan, it is a kind of conventional motor cooling of motor, is generally disposed at motor rotor Middle part, flowed for acceleration motor internal rotor surrounding air, improve radiating effect, reduce ro-tors in electrical and its surrounding temperature Degree.Therefore, motor internal fan is to the stability, security and service life of motor running, and there is material impact.
Existing motor internal fan, only promotes air flow, improves the function of radiating effect, can not be to rotor two The end ring at end is protected, and the problem of function is single be present, and the end ring in existing motor easily damages.
Therefore, a kind of new motor internal fan how is researched and developed, can both promote air flow, improves radiating effect Fruit, the protection to end ring can be realized again, turns into people's urgent problem to be solved.
Utility model content
In consideration of it, the utility model provides a kind of motor internal fan and its motor rotor, with least solve with Toward motor with internal fan without being protected to end ring, the problems such as function is single.
On the one hand the utility model provides a kind of motor internal fan, it is characterised in that including:Inner panel 1, outside plate 2 And multiple blades 3;
The inner panel 1 includes the substrate 11 that center is provided with first through hole 111, and the periphery of the substrate 11 is provided with along institute State the axially extending protection board 12 of substrate 11;
The center of the outside plate 2 is provided with the second through hole 21, and the outside plate 2 is arranged at the outside of the inner panel 1, and with institute The substrate 11 stated in inner panel 1 is parallel;
Multiple blades 3 may be contained between the substrate 11 and the outside plate 2, and each described 3 equal one end of blade It is fixedly connected with the substrate 11, the other end is fixedly connected with the outside plate 2.
It is preferred that multiple blades 3 are evenly arranged along the circumferentially-spaced of substrate 11.
Further preferably, the number of the blade 3 is even number.
Further preferably, radial direction of each blade 3 with the outside plate 2 is set in equal angular.
Further preferably, the outer face of the outside plate 2 is circumferentially spaced is provided with mounting hole 22, consolidates in the mounting hole 22 Dingan County is equipped with balance weight 221.
On the other hand the utility model additionally provides a kind of motor, copper bar rotor is provided with the motor, described Copper bar rotor includes:Rotating shaft 4, iron core 5, two end ring, 6, two internal fans 7 being set in outside the rotating shaft 4 and multiple copper Sliver 8, the circumferentially spaced cavity for being provided with insertion both ends of the iron core 5 are arranged, the copper bar sliver 8 is installed on the cavity It is interior, and penetrate the cavity both ends, it is characterised in that
The outer face of each end ring 6 is plane, and the inner face of each end ring 6 is circumferentially arranged at intervals It is fluted;
Two end ring 6 are set with the both ends of the iron core 5, and the both ends end of each copper bar sliver 8 Respectively fixing card is located in the groove of the corresponding inner face of end ring 6;
Two internal fans 7 distinguish outside of the fixed cover loaded on two end ring 6, and each internal fan 7 is equal For it is above-mentioned any one, wherein, substrate 11 is fixedly connected with the outer face of the end ring 6 in the internal fan 7, the internal fan Protection board 12 is set in the outside of the end ring 6 and the copper bar sliver 8 in 7.
Motor internal fan provided by the utility model, including inner panel, outside plate and multiple blades, wherein, inner panel bag Include center and be provided with the substrate of first through hole, the periphery of the substrate is provided with along the axially extending protection board of substrate, in outside plate Centre is provided with the second through hole, and outside plate is arranged at the outside of inner panel, and may be contained within base with the substrate-parallel in inner panel, multiple blades Between plate and outside plate, and each equal one end of blade is fixedly connected with substrate, and the other end is fixedly connected with outside plate, in use, this is interior The inner panel of fan is set on rotor shaft, and wherein substrate is fixedly connected with rotor end ring, and protection board is wrapped in the end ring of rotor With on the outside of copper bar sliver, when motor running, motor rotor is rotated at a high speed, and driving electric machine is rotated at a high speed with internal fan, Interlobate air is thrown out by caused centrifugal force to the direction of fan outer rim, and new gas is mended constantly at internal diameter blade Fill, form the flowing of gas, produce gas pressure, the circulation of motor inner air, realize radiating purpose, while motor is used Internal fan inner panel applies the thrust to axle center to end ring and copper bar sliver, to offset end ring and copper bar sliver with rotor high-speed rotation Caused centrifugal force, end ring and the caused radial displacement and deformation under the action of the centrifugal force of copper bar sliver are limited, ensured electronic The normal operation of machine.
A kind of motor provided by the utility model, including rotating shaft, the iron core being set in outside rotating shaft, two end ring, two Individual internal fan and multiple copper bar slivers, the circumferentially spaced cavity for being provided with insertion both ends of iron core, copper bar sliver are installed on institute State in cavity, and penetrate the cavity both ends, wherein, the outer face of each end ring is both designed as plane, and each end ring Inner face is circumferentially arranged at intervals fluted, and two end ring are set with the both ends of iron core, and the both ends end of copper bar sliver Respectively fixing card is located in the groove of corresponding end ring inner face in portion, after the end face of the copper bar rotor end ring uses planar structure, Compared with stepped form is in the end face of conventional end ring, processing is simple, and machining accuracy is easily guaranteed that, while is coordinated in the utility model Internal fan, the motor respectively sets an internal fan respectively in the both sides of two end ring, and in motor running, not only end ring is protected Shield, is not likely to produce damage, but also effectively facilitates the radiating of blower fan, ensures motor normal operation.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows that to meet the utility model special The embodiment of profit, and for explaining principle of the present utility model together with specification.
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, for ordinary skill people For member, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for motor internal fan that the utility model discloses embodiment offer;
Fig. 2 is sectional views of the Fig. 1 along AA;
Fig. 3 is the structural representation that the utility model discloses copper bar rotor in a kind of motor that embodiment provides.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as The example of the consistent device of some aspects being described in detail in appended claims, of the present utility model.
It is a kind of motor internal fan that the present embodiment provides referring to Fig. 1, Fig. 2, the motor is included with internal fan: Inner panel 1, outside plate 2 and multiple blades 3, wherein, inner panel 1 includes the substrate 11 that center is provided with first through hole 111, substrate 11 Periphery is provided with along the axially extending protection board 12 of substrate 11, the center of outside plate 2 and is provided with the second through hole 21, and outside plate 2 is arranged at The outside of inner panel 1, and it is parallel with the substrate 11 in inner panel 1, multiple blades 3 may be contained between substrate 11 and outside plate 2, and each 3 equal one end of blade is fixedly connected with substrate 11, and the other end is fixedly connected with outside plate 2.
Motor internal fan provided by the utility model, in use, the inner panel of the internal fan is set on rotor shaft, Wherein substrate is fixedly connected with rotor end ring, and protection board is wrapped on the outside of the end ring and copper bar sliver of rotor, works as motor running When, motor rotor is rotated at a high speed, and driving electric machine is rotated at a high speed with internal fan, and interlobate air is by caused centrifugal force Thrown out to the direction of fan outer rim, new gas supplements constantly at internal diameter blade, forms the flowing of gas, produces gas pressure Power, the circulation of motor inner air, radiating purpose is realized, while motor is applied with internal fan inner panel to end ring and copper bar sliver Add the thrust to axle center, to offset end ring and copper bar sliver with centrifugal force caused by rotor high-speed rotation, limit end ring and copper Sliver caused radial displacement and deformation under the action of the centrifugal force is arranged, ensures the normal operation of motor.
As the improvement of technical scheme, referring to Fig. 1, multiple blades 3 are evenly arranged along the circumferentially-spaced of substrate 11, It is preferred that the number of blade is even number.
By above-mentioned technological improvement, the balance and stability during fan rotation can be increased, ensure copper bar rotor rotation Balance and stability, mitigate the vibration of copper bar rotor, reduce noise during motor operation.
In order to promote air flow, strengthen radiating effect, referring to Fig. 2, each blade is in same angular with the radial direction of outside plate Degree is set, and increases air velocity, increases the dynamic pressure of air-flow, and static pressure reduces, and is advantageous to overcome the windage of wind path below, improves and dissipates Thermal effect.
In order to further improve the stability of motor copper bar rotor operation, reduce copper bar rotor vibratory output, referring to Fig. 2, The outer face of outside plate 2 is circumferentially spaced to be provided with mounting hole 22, and balance weight 221 is installed with mounting hole 22.
It is a kind of motor that the present embodiment improves referring to Fig. 3, copper bar rotor is provided with the motor, the copper bar turns Attached bag includes:Rotating shaft 4, the internal fan 7 of end ring 6, two of iron core 5, two being set in outside rotating shaft 4 and multiple copper bar slivers 8, iron The circumferentially spaced cavity for being provided with insertion both ends of core 5, copper bar sliver 8 is installed in the cavity, and penetrates the cavity two End, wherein, the outer face of each end ring 6 is plane, and the inner face of each end ring 6 be circumferentially arranged at intervals it is fluted, Two end ring 6 are set with the both ends of iron core 5, and respectively fixing card is located at correspondingly for the both ends end of each copper bar sliver 8 In the groove of the inner face of end ring 6, two internal fans 7 distinguish outside of the fixed cover loaded on two end ring 6, and each internal fan 7 is equal For any one in above-mentioned internal fan, wherein, substrate 11 is fixedly connected with the outer face of end ring 6 in internal fan 7, the internal fan 7 Middle protection board 12 is set in the outside of end ring 6 and copper bar sliver 8.
A kind of motor that the present embodiment provides, except with above-mentioned motor with addition to internal fan possessed function, After planar structure being used due to the end face of the copper bar rotor end ring, compared with stepped form is in the end face of conventional end ring, processing letter Single, machining accuracy is easily guaranteed that, while coordinates the internal fan in the utility model, and the motor is respectively set respectively in the both sides of two end ring One internal fan, in motor running, not only end ring is protected, and is not likely to produce damage, but also effectively facilitate blower fan Radiating, ensure motor normal operation.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice utility model disclosed herein New other embodiments.The application is intended to any modification, purposes or adaptations of the present utility model, these Modification, purposes or adaptations follow general principle of the present utility model and including undocumented skills of the utility model Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility model True scope and spirit are pointed out by following claim.
It should be appreciated that the accurate knot that the utility model is not limited to be described above and is shown in the drawings Structure, and various modifications and changes can be being carried out without departing from the scope.The scope of the utility model only will by appended right Ask to limit.

Claims (6)

  1. A kind of 1. motor internal fan, it is characterised in that including:Inner panel (1), outside plate (2) and multiple blades (3);
    The inner panel (1) includes the substrate (11) that center is provided with first through hole (111), and the periphery of the substrate (11) is provided with The protection board (12) axially extending along the substrate (11);
    The center of the outside plate (2) is provided with the second through hole (21), and the outside plate (2) is arranged at the outside of the inner panel (1), and It is parallel with the substrate (11) in the inner panel (1);
    Multiple blades (3) may be contained between the substrate (11) and the outside plate (2), and each blade (3) is equal One end is fixedly connected with the substrate (11), and the other end is fixedly connected with the outside plate (2).
  2. 2. motor internal fan according to claim 1, it is characterised in that multiple blades (3) are along the substrate (11) circumferentially-spaced is evenly arranged.
  3. 3. motor internal fan according to claim 2, it is characterised in that the number of the blade (3) is even number.
  4. 4. motor internal fan according to claim 1, it is characterised in that each blade (3) with the outside plate (2) radial direction is set in equal angular.
  5. 5. motor internal fan according to claim 1, it is characterised in that the outer face of the outside plate (2) circumferentially between Every being provided with mounting hole (22), balance weight (221) is installed with the mounting hole (22).
  6. 6. a kind of motor, copper bar rotor is provided with the motor, the copper bar rotor includes:Rotating shaft (4), it is set in institute State rotating shaft (4) outside iron core (5), two end ring (6), two internal fans (7) and multiple copper bar slivers (8), the iron core (5) the circumferentially spaced cavity for being provided with insertion both ends, the copper bar sliver (8) are installed in the cavity, and described in insertion Cavity both ends, it is characterised in that
    The outer face of each end ring (6) is plane, and the inner face of each end ring (6) is circumferentially arranged at intervals It is fluted;
    Two end ring (6) are set with the both ends of the iron core (5), and the both ends end of each copper bar sliver (8) Respectively fixing card is located in the groove of corresponding end ring (6) inner face in portion;
    Two internal fans (7) outside of the fixed cover loaded on two end ring (6), and each internal fan (7) respectively It is any one described in Claims 1 to 5, wherein, substrate (11) and the end ring (6) is outer in the internal fan (7) End face is fixedly connected, and protection board (12) is set in the outer of the end ring (6) and the copper bar sliver (8) in the internal fan (7) Portion.
CN201720667029.4U 2017-06-09 2017-06-09 A kind of motor internal fan and its motor Expired - Fee Related CN206807228U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720667029.4U CN206807228U (en) 2017-06-09 2017-06-09 A kind of motor internal fan and its motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720667029.4U CN206807228U (en) 2017-06-09 2017-06-09 A kind of motor internal fan and its motor

Publications (1)

Publication Number Publication Date
CN206807228U true CN206807228U (en) 2017-12-26

Family

ID=60746729

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720667029.4U Expired - Fee Related CN206807228U (en) 2017-06-09 2017-06-09 A kind of motor internal fan and its motor

Country Status (1)

Country Link
CN (1) CN206807228U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110792621A (en) * 2019-11-08 2020-02-14 江苏科技大学 Double-shaft motor fan assembly structure convenient for heat dissipation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110792621A (en) * 2019-11-08 2020-02-14 江苏科技大学 Double-shaft motor fan assembly structure convenient for heat dissipation
CN110792621B (en) * 2019-11-08 2020-10-02 泰安市泰和电力设备有限公司 Double-shaft motor fan assembly structure convenient for heat dissipation

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171226