CN201893625U - Electric motor for high-pressure axial flow fan - Google Patents
Electric motor for high-pressure axial flow fan Download PDFInfo
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- CN201893625U CN201893625U CN2010206404608U CN201020640460U CN201893625U CN 201893625 U CN201893625 U CN 201893625U CN 2010206404608 U CN2010206404608 U CN 2010206404608U CN 201020640460 U CN201020640460 U CN 201020640460U CN 201893625 U CN201893625 U CN 201893625U
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- electric motor
- motor
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- flow fan
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Abstract
The utility model relates to an electric motor for a high-pressure axial flow fan, which is provided with a stator device and a rotor device. The electric motor is characterized in that the ratio of the diameter to the length of the stator is 128:210; the ratio of the diameter to the bearing spacing of the rotor device is 62:175; a bearing in the rotor device is a thrust angular contact ball bearing; and a conic spinner is arranged at the rear part of the stator device. According to the electric motor, the air feeding efficiency of the fan can be improved; and the electric motor can stably operate under various work conditions and has the characteristics of small size, light weight, small wind resistance and long service life.
Description
Technical field
The utility model relates to a kind of motor that is used for the high-pressure shaft flow fan, and the stator apparatus profile of this motor has unique diameter length ratio, is beneficial to the raising fan efficiency, and the bearing in the rotor arrangement is an angular contact thrust ball bearing; The rear portion of stator apparatus is provided with taper fairing.
Background technology
Chinese patent 87203257 discloses a kind of twin-stage mine shafts streaming main fan of new structure.Wherein the stator group is dismountable, variable twin-stage operates to the single-stage operation, the shell of blower fan is multi-section combined, can pass through the removable parts parts, change the pressure head and the air quantity of blower fan within the specific limits,, can save enlarging wind-tunnel, a large amount of expenses of ventilating fan, motor more to adapt to the operating mode of mine different times, make blower fan efficiently operation all the time, save a large amount of electric power.This shows, existing blower pressure is not high, after improving blower pressure, the structure of drive motors is just produced specific (special) requirements, not only the profile of motor exerts an influence to the efficient of blower fan, and selecting for use also of the rotating parts of motor will exert an influence to blower fan stable operation, useful life.For this reason, need to propose a kind of new motor that is used for the high-pressure shaft flow fan.
Summary of the invention
The purpose of this utility model is to provide a kind of motor that is used for the high-pressure shaft flow fan, and this motor has unique length to diameter ratio; Diameter and distance between bearings ratio that its rotor arrangement has held stationary to rotate; The rear portion of described stator apparatus is provided with taper fairing.The utility model can improve the air-supply efficient of blower fan, can even running under various operating modes; And have the advantages that volume is little, in light weight, windage is little, the life-span is long.
The purpose of this utility model is realized by following technical proposals: a kind of motor that is used for the high-pressure shaft flow fan, stator apparatus, rotor arrangement are arranged, and the length to diameter ratio of described stator apparatus is 128:210; The diameter of described rotor arrangement is 62:175 with the distance between bearings ratio; Bearing in the described rotor arrangement is an angular contact thrust ball bearing; The rear portion of described stator apparatus is provided with taper fairing.
The utility model compared with prior art has following advantage:
1, because stator apparatus of the present utility model has been selected rational diameter and length ratio, can obviously improve the efficient of blower fan.
2, because rotor arrangement of the present utility model has been selected rational distance between bearings, can make blower fan even running under various operating modes.
3, the utlity model has the advantage that volume is little, in light weight, windage is little, the life-span is long.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1, the utility model are used for the structural representation of blower fan;
Fig. 2, structural representation of the present utility model;
Fig. 3, rotor arrangement schematic diagram of the present utility model;
Fig. 4, stator apparatus of the present utility model rear end structure chart;
Fig. 5, torque arm holder structure figure of the present utility model (the A-A profile of Fig. 1).
Embodiment
Embodiment one:
Referring to Fig. 2, the motor that is used for the high-pressure shaft flow fan of the present utility model has stator apparatus 202, rotor arrangement 201, and the length to diameter ratio of described stator apparatus is 128:210; The diameter of described rotor arrangement is 62:175 with the distance between bearings ratio; Bearing in the described rotor arrangement is an angular contact thrust ball bearing; The rear portion of described stator apparatus is provided with taper fairing 3(referring to Fig. 4).
Referring to Fig. 1, in the present embodiment, 8 bird's wing type blades are set on the wheel hub of high-pressure shaft flow fan 1, the wheel hub front end is provided with taper fairing (also can be described as streamlined radome fairing), the external diameter of this blower fan is 400 millimeters, and its maximum pressure can reach 101825 handkerchiefs (Pa).The motor 2 that drives this blower fan is motors of the present utility model, and this power of motor is 1.1 kilowatts; The rear portion of the stator apparatus of this motor is provided with taper fairing 3.
Referring to Fig. 2, the length of the silicon steel sheet group in the stator apparatus of the present utility model is 92 millimeters, and the external diameter of the shell of stator apparatus is 128 millimeters, and in order to increase flow area, the stator apparatus appearance is not provided with fin, 210 millimeters of stator apparatus length overalls.The volume of the disclosed motor of present embodiment is significantly less than the volume of the used drive motors of the axial flow blower of equal-wattage.In the present embodiment, the length to diameter ratio of described stator apparatus is 128:210, and according to the variation of power of motor, the numerical value of the length to diameter ratio of stator apparatus can be adjusted, but the multiple of 128:210 preferably.Referring to Fig. 3, the diameter of the rotor arrangement 201 of the motor of present embodiment is 62 millimeters, and the distance between the front and back bearings 2011,2012 is 175 millimeters.Bigger bearing distance can make motor rotation steady.In the present embodiment, the diameter of described rotor arrangement is 62:175 with the distance between bearings ratio, and according to the variation of power of motor, the diameter of rotor arrangement can be adjusted with the numerical value of distance between bearings ratio, but the multiple of 62:175 preferably.
In the present embodiment, this motor-driven blower fan has higher blast, and its pressure can reach 101825 handkerchiefs, and the reaction force that produces in the fan operation is bigger, if adopt plain bearing, has quick heating, noise is big, the life-span is short defective.Therefore, the motor of present embodiment adopt angular contact thrust ball bearing, this bearing have big, the free gap of axial carrying capacity little, heat up slow, operate steadily, advantage that noise is low.
Referring to Fig. 1, Fig. 5, in the present embodiment, in order to reduce the length of blower fan, this motor is positioned at the rectification section of blower fan, rectification section is a cylinder type shell structure (not showing among the figure), motor is in blower fan rectification section centre, in order to realize such structure, be provided with and stator casing 204 incorporate torque arm mount pads 2041 on the described stator apparatus, three torque arm mount pads of five equilibrium on the stator casing, this torque arm mount pad is the dovetail groove shape, and an end of torque arm is fixed in this groove, the other end is fixed on the inwall of rectification section, and supply line is arranged in the torque arm.In order to reduce windage, described stator apparatus outer surface is smooth cylinder, has cancelled traditional heat radiating fin structure, because the blast height of blower fan, flow is big, can realize the cooling to the motor stator device when externally blowing.
Referring to Fig. 1, Fig. 4, in the present embodiment, the rear portion of described stator apparatus is provided with taper fairing (also can be described as the streamlined radome fairing), the rear end cap 203 and the radome fairing of stator apparatus are streamlined and combine, compact design helps reduced volume, reduce weight, embedded fastening bolt 2031 favourable minimizing windages, the rear end cap of taper fairing and stator apparatus closely cooperates, no matter be arranged on the air intake vent place of rectification section, also be arranged on the air outlet place of rectification section, can both effectively reduce the loss and the blower fan operating noise of blower fan.
Claims (3)
1. a motor that is used for the high-pressure shaft flow fan has stator apparatus, rotor arrangement, it is characterized in that: the length to diameter ratio of described stator apparatus is 128:210; The diameter of described rotor arrangement is 62:175 with the distance between bearings ratio; Bearing in the described rotor arrangement is an angular contact thrust ball bearing; The rear portion of described stator apparatus is provided with taper fairing.
2. the motor that is used for the high-pressure shaft flow fan according to claim 1 is characterized in that: be provided with and the incorporate torque arm mount pad of stator casing on the described stator apparatus.
3. the motor that is used for the high-pressure shaft flow fan according to claim 2 is characterized in that: described stator apparatus outer surface is smooth cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206404608U CN201893625U (en) | 2010-12-03 | 2010-12-03 | Electric motor for high-pressure axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206404608U CN201893625U (en) | 2010-12-03 | 2010-12-03 | Electric motor for high-pressure axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893625U true CN201893625U (en) | 2011-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206404608U Expired - Fee Related CN201893625U (en) | 2010-12-03 | 2010-12-03 | Electric motor for high-pressure axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201893625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710055A (en) * | 2012-06-20 | 2012-10-03 | 昆山库克自动化科技有限公司 | Mini-type DC motor capable of improving axial bearing capacity |
| CN102710084A (en) * | 2012-06-20 | 2012-10-03 | 昆山库克自动化科技有限公司 | Brushless direct-current motor resisting axial impact force |
-
2010
- 2010-12-03 CN CN2010206404608U patent/CN201893625U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710055A (en) * | 2012-06-20 | 2012-10-03 | 昆山库克自动化科技有限公司 | Mini-type DC motor capable of improving axial bearing capacity |
| CN102710084A (en) * | 2012-06-20 | 2012-10-03 | 昆山库克自动化科技有限公司 | Brushless direct-current motor resisting axial impact force |
| CN102710055B (en) * | 2012-06-20 | 2015-05-13 | 昆山库克自动化科技有限公司 | Mini-type DC motor capable of improving axial bearing capacity |
| CN102710084B (en) * | 2012-06-20 | 2015-06-17 | 昆山库克自动化科技有限公司 | Brushless direct-current motor resisting axial impact force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING TUZHENG LABORATORY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN XIN Effective date: 20150416 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100023 CHAOYANG, BEIJING TO: 102407 FANGSHAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150416 Address after: 102407 F block 1, Jinyuan Avenue, Chang Gou Town, Beijing, Fangshan, 110 Patentee after: BEIJING TUZHENG LABORATORY TECHNOLOGY CO., LTD. Address before: 100023 Beijing Chaoyang District city two District 1 Fatou Gate No. 9 Patentee before: Chen Xin |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180627 Address after: 100007 Hutong No. 52, new Taicang, Dongcheng District, Beijing Patentee after: Chen Xin Address before: 102407 F 1, Jinyuan street, Chang Gou Town, Fangshan District, Beijing, 110 Patentee before: BEIJING TUZHENG LABORATORY TECHNOLOGY CO., LTD. |
|
| 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: 20110706 Termination date: 20191203 |