WO2021043344A2 - 一种自带调速功能的电机 - Google Patents
一种自带调速功能的电机 Download PDFInfo
- Publication number
- WO2021043344A2 WO2021043344A2 PCT/CN2020/136099 CN2020136099W WO2021043344A2 WO 2021043344 A2 WO2021043344 A2 WO 2021043344A2 CN 2020136099 W CN2020136099 W CN 2020136099W WO 2021043344 A2 WO2021043344 A2 WO 2021043344A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- outer sleeve
- sleeve
- motor
- inner sleeve
- rotor
- Prior art date
Links
- 230000033228 biological regulation Effects 0.000 title claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 13
- 238000001816 cooling Methods 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000004020 conductor Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
- H02K49/043—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with a radial airgap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Definitions
- the utility model relates to the technical field of motors, in particular to a motor with its own speed regulation function.
- the governor consists of a conductor rotor, a permanent magnet rotor and a regulator.
- the permanent magnetic field generates eddy currents on the conductor rotor, and the eddy current generates an induced magnetic field and the permanent magnetic field. It drives the permanent magnet rotor to rotate in the same direction as the conductor rotor, transfers the torque of the input shaft to the output shaft, and changes the speed of the load end by changing the number of stages, voltage, current, or frequency of the motor, thereby making the load
- it is especially suitable for pumps and fans with large changes in flow. It can obtain good energy-saving effects.
- the current heat dissipation methods of adjustable speed motors include water-cooled heat dissipation and air-cooled heat dissipation, and water-cooled
- the cooling liquid pipe structure of the heat dissipation method is bulky, and the heat dissipation effect of the fin of the air cooling method is low, which greatly limits the operation of the speed control motor. Therefore, people urgently need a motor with a speed control function to solve the above problems.
- a motor with its own speed regulation function including a rotor, a rotating shaft, an outer sleeve, an inner sleeve and a regulator, one end of the rotor passes through the rotating shaft and the outer sleeve A fixed connection, an inner sleeve is provided on one side of the outer sleeve, one side of the inner sleeve is fixedly connected with an output shaft, and an adjuster is sleeved on the output shaft;
- the outer sleeve, inner sleeve, and regulator are combined to form a governor.
- the outer sleeve is equivalent to a conductor rotor
- the inner sleeve is equivalent to a permanent magnet rotor.
- the rotor drives the shaft to rotate so that the outer sleeve rotates.
- the permanent magnetic field generates eddy currents on the outer sleeve.
- the eddy current generates an induced magnetic field to interact with the permanent magnetic field, thereby driving the inner sleeve to rotate in the same direction as the outer sleeve.
- the torque of the motor input shaft is transmitted to the output shaft and the load, and the load speed is adjusted through the regulator.
- fan blades are provided on the rotating shaft
- the rotor drives the shaft to rotate, and the fan blades also rotate together.
- the wind formed by the rotation of the fan blades can take away the heat emitted by the outer sleeve, so as to achieve the effect of air cooling and heat dissipation.
- a plurality of through holes are opened on the outer sleeve, and the plurality of through holes are corresponding to the fan blades;
- the rotor drives the shaft to rotate, and at the same time the fan blades rotate together.
- the wind formed by the rotation of the fan blades enters the outer sleeve and the inner sleeve through the through holes, and the outside cold wind is used to pass through the outer sleeve and the inner sleeve to form air.
- Circulation so as to take away the heat on the outer sleeve and the inner sleeve, to achieve the effect of heat dissipation of the outer sleeve and the inner sleeve, so that the performance of the governor composed of the outer sleeve, the inner sleeve and the regulator is greatly improved .
- the through holes are arranged in a spiral shape
- the through holes are arranged in a spiral shape so that the wind formed by the fan blades is spiral at the through holes, so that the wind entering the outer sleeve is also spiral, thereby prolonging the residence time of the external cold air inside the outer sleeve.
- the spiral The type of wind passing through the outer sleeve increases the contact area between the wind and the outer sleeve, which makes the effect better.
- the spiral through hole arrangement also increases the amount of heat dissipation air inside the outer sleeve, which is beneficial to improve the use of the motor. Performance and prolong the service life of the motor.
- the spiral through hole can avoid the problem of low air cooling efficiency caused by the direct passage of wind from the inside of the outer sleeve.
- the spiral air circulation greatly improves the air-cooled heat dissipation efficiency of the motor, and does not require other parts and connections to increase the contact area between the outside flowing air and the outer sleeve, which is simple and efficient.
- the through holes are circumferentially arranged on the outer sleeve;
- the through holes are arranged circumferentially on the outer sleeve so that the outside flowing air is closer to the inner wall of the outer sleeve, and the spiral flowing air passing through the through holes will more concentratedly remove the heat from the inner wall of the outer sleeve, thereby increasing the spiral flow air band.
- outer sleeve and the inner sleeve are arranged oppositely, and the outer sleeve and the inner sleeve are concentric and have no mechanical contact;
- the outer sleeve and the inner sleeve are separated by an air gap, and the cold air from the outside is used to pass through the outer sleeve and the inner sleeve to form air circulation, so as to take away the heat on the outer sleeve and the inner sleeve to achieve the external The heat dissipation effect of the sleeve and the inner sleeve.
- cross-sectional area of the outer sleeve is greater than the cross-sectional area of the inner sleeve
- the cross-sectional area of the outer sleeve is larger than the cross-sectional area of the inner sleeve to ensure the stability and uniqueness of the air duct.
- the rotation of the rotor drives the rotation of the shaft, and the fan blades also rotate with the shaft.
- the wind generated by the rotation of the fan blades passes through the spiral through holes to form a spiral air flow inside the outer sleeve, so that the external cold wind and the inside of the outer sleeve
- the contact area is increased, and the inner wall of the outer sleeve has a good heat dissipation effect.
- the motor Compared with the existing air cooling, it effectively avoids the problem of low heat dissipation efficiency caused by the direct passage of wind through the outer sleeve.
- the motor has a lower failure rate, because there is no water source and no external water pipe and water source are needed, making the motor smaller and lighter, which is beneficial to improve the sense of use of the motor.
- the outer sleeve, inner sleeve and regulator are combined to form a governor.
- the rotor drives the shaft to rotate, so that the outer sleeve rotates while driving the inner sleeve to rotate, and the torque of the motor input shaft is transmitted to the output shaft and
- the load speed is adjusted by the regulator, so that it can adapt to various high-power loads, and the motor has a simple structure connection, a light volume, and a strong practicability.
- Figure 1 is a schematic diagram of the overall structure of the utility model
- Figure 2 is a schematic diagram of the installation structure of the rotor and governor of the utility model
- Figure 3 is a schematic diagram of the installation structure of the fan blade and the governor of the utility model
- Figure 4 is a cross-sectional view of the motor of the utility model
- FIG. 5 is a schematic diagram of the structure of the governor of the present invention.
- This utility model provides a technical solution: a motor with its own speed regulation function, including a rotor 1, a rotating shaft 2, an outer sleeve 3, an inner sleeve 4 and a regulator 8, and a rotor 1.
- the output shaft is fixedly connected with the outer sleeve 3 through the rotating shaft 2, an inner sleeve 4 is provided on one side of the outer sleeve 3, and the output shaft 7 is fixedly connected on one side of the inner sleeve 4, and an adjuster 8 is sleeved on the output shaft 7 ;
- the rotor is the rotor of the motor 10, the rotation of the rotor 1 is used to drive the rotation of the shaft 2, the rotation of the shaft 2 is used to drive the rotation of the outer sleeve 3, the rotation of the outer sleeve 3 is used to generate an induced magnetic field to drive the inner sleeve 4 to rotate, and the output shaft 7 is The output shaft 7 of the regulator, and the other end of the output shaft 7 is connected to the load.
- the regulator 8 is used to adjust the load speed.
- the outer sleeve 3, the inner sleeve 4 and the regulator 8 are combined to form a governor 9, and the outer sleeve
- the barrel 3 is equivalent to a conductor rotor
- the inner sleeve 4 is equivalent to a permanent magnet rotor.
- the rotor 1 drives the shaft 2 to rotate, so that the outer sleeve 3 rotates.
- the outer sleeve 3 and the inner sleeve 4 are opposed to each other.
- the permanent magnetic field In motion, the permanent magnetic field generates eddy currents on the outer sleeve 3, and the eddy currents generate an induced magnetic field to interact with the permanent magnetic field, thereby driving the inner sleeve 4 to rotate in the same direction as the outer sleeve 3, and transmit the torque of the input shaft of the rotor 1 To the output shaft 7 and the load, and through the regulator 8 to achieve the adjustment of the load speed.
- the rotating shaft 2 is provided with a fan blade 6, and the outer sleeve 3 is provided with a plurality of through holes 5, and the plurality of through holes 5 are arranged corresponding to the fan blade 6, the outer sleeve and the inner sleeve are arranged oppositely, and the outer sleeve and the inner sleeve
- the tube is concentric and has no mechanical contact;
- the rotating shaft 2 drives the outer sleeve 3 to rotate while also driving the fan blade 6 to rotate.
- the fan blade 6 rotates to generate wind to pass through the through hole 5, and the through hole 5 is used for external cold wind to pass through to dissipate heat inside the outer sleeve 3 ,
- the outer sleeve 3 and the inner sleeve 4 are separated by an air gap, and a number of through holes 5 are arranged corresponding to the blades 6 so that the blades 6
- the wind generated by the rotation can directly enter the inside of the through hole 5, which is beneficial to improve the heat dissipation efficiency inside the outer sleeve 3 and the inner sleeve 4.
- the wind formed by the rotation of the fan blade 6 enters the outer sleeve 3 and the inner sleeve through the through hole 5
- the outside cold wind is used to pass through the outer sleeve 3 and the inner sleeve 4 to form air circulation, so as to take away the heat on the outer sleeve 3 and the inner sleeve 4 to reach the outer sleeve 3 and the inner sleeve.
- the heat dissipation effect greatly improves the performance of the governor 9 composed of the outer sleeve 3, the inner sleeve 4 and the regulator 8.
- the cross-sectional area of the outer sleeve 3 is larger than the cross-sectional area of the inner sleeve 4, the through holes 5 are arranged in a spiral shape, and the through holes 5 are circumferentially arranged on the outer sleeve 3;
- the cross-sectional area of the outer sleeve 3 is larger than the cross-sectional area of the inner sleeve 4 to ensure the stability and uniqueness of the air duct.
- the through holes 5 are arranged in a spiral shape so that the wind formed by the fan blades 6 is in a spiral shape at the through holes 5. , So that the wind entering the outer sleeve 3 is also spiral, thereby prolonging the residence time of the external cold wind inside the outer sleeve 3.
- the spiral wind passing through the outer sleeve 3 increases the wind and the outer sleeve 3
- the contact area of the inner wall makes the effect better, and the arrangement of the spiral through hole 5 also increases the amount of heat dissipation air inside the outer sleeve 3, which is beneficial to improve the performance of the motor 10 and prolong the service life of the motor 10.
- Circumferential arrangement on the outer sleeve 3 makes the outside flowing air closer to the inner wall of the outer sleeve 3, and the spiral flowing air passing through the through hole 5 will more concentratedly remove the heat from the inner wall of the outer sleeve 3, thereby improving the spiral
- the efficiency of the flowing air taking away the heat from the inner wall of the outer sleeve 3 can increase the contact area between the outside flowing air and the outer sleeve 3 without requiring other parts and connections, which is simple and efficient.
- the outer sleeve 3, the inner sleeve 4 and the regulator 8 together constitute the governor 9 to adjust the speed of the load
- the rotation of the rotor 1 drives the rotation of the shaft 2
- the rotation of the rotation shaft 2 drives the fan blade 6 and the outer at the same time.
- the sleeve 3 rotates together.
- the rotation of the outer sleeve 3 generates an induction magnetic field to drive the inner sleeve 4 to rotate.
- the fan blade 6 rotates to generate wind passing through the spiral through hole 5, and a spiral wind enters at the position of the through hole 5.
- the spiral air flow formed through the spiral through hole 5 through the spiral through hole 5 makes the fan blade 6 rotate the outer sleeve 3 and the inner sleeve 4 to achieve better heat dissipation effect and improve
- the air-cooling degree of the fan blade 6 is avoided, and the external cold wind directly passes through the outer sleeve 3, which effectively increases the range and duration of the air flow inside the outer sleeve 3.
- the spiral air-cooling is compared with water-cooling. Therefore, the failure rate of the speed-regulating motor 10 is lower because there is no water source and external pipelines. At the same time, the volume of the speed-regulating motor 10 is smaller and lighter, so that the motor 10 has a better sense of use.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims (6)
- 一种自带调速功能的电机,其特征在于:包括转子(1)、转轴(2)、外套筒(3)、内套筒(4)和调节器(8),所述转子(1)一端通过转轴(2)与外套筒(3)固定连接,所述外套筒(3)一侧设有内套筒(4),所述内套筒(4)一侧与输出轴(7)固定连接,所述输出轴(7)上套设有调节器(8),所述转轴(2)上设有扇叶(6)。
- 根据权利要求1所述的一种自带调速功能的电机,其特征在于:所述外套筒(3)上开设有若干个通孔(5),若干个所述通孔(5)与扇叶(6)对应设置。
- 根据权利要求2所述的一种自带调速功能的电机,其特征在于:所述通孔(5)呈螺旋状设置。
- 根据权利要求2或3所述的一种自带调速功能的电机,其特征在于:所述通孔(5)在外套筒(3)上呈圆周布置。
- 根据权利要求1所述的一种自带调速功能的电机,其特征在于:所述外套筒(3)与内套筒(4)相对设置,所述外套筒(3)与内套筒(4)同心且无机械接触。
- 根据权利要求5所述的一种自带调速功能的电机,其特征在于:所述外套筒(3)的横截面积大于内套筒(4)的横截面积。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE212020000330.0U DE212020000330U1 (de) | 2020-12-09 | 2020-12-14 | Motor mit einer Funktion zur Drehzahlregelung |
JP2021600014U JP3235100U (ja) | 2020-12-09 | 2020-12-14 | 調速機能が標準装備されるモータ |
AU2020342301A AU2020342301A1 (en) | 2020-12-09 | 2020-12-14 | Motor having speed regulation function |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022958516.0U CN213754285U (zh) | 2020-12-09 | 2020-12-09 | 一种自带调速功能的电机 |
CN202022958516.0 | 2020-12-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2021043344A2 true WO2021043344A2 (zh) | 2021-03-11 |
WO2021043344A3 WO2021043344A3 (zh) | 2021-09-10 |
Family
ID=74853452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2020/136099 WO2021043344A2 (zh) | 2020-12-09 | 2020-12-14 | 一种自带调速功能的电机 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP3235100U (zh) |
CN (1) | CN213754285U (zh) |
AU (2) | AU2020104436A4 (zh) |
WO (1) | WO2021043344A2 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023138905A1 (en) | 2022-01-24 | 2023-07-27 | ISOL8 (Holdings) Limited | Downhole heating |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4184090A (en) * | 1977-10-13 | 1980-01-15 | Nova Research Foundation Corporation | Rotary magnetic isolation coupling |
CN201629653U (zh) * | 2010-01-15 | 2010-11-10 | 南京艾凌节能技术有限公司 | 一种永磁调速器 |
CN207053363U (zh) * | 2017-07-20 | 2018-02-27 | 江苏磁谷科技股份有限公司 | 一种永磁耦合调速电机 |
CN107453544B (zh) * | 2017-09-18 | 2019-06-07 | 安徽沃弗电力科技有限公司 | 一种基于气动冷却机构的永磁调速器 |
CN107591987B (zh) * | 2017-09-18 | 2019-06-07 | 安徽沃弗电力科技有限公司 | 基于风冷结构的永磁调速器 |
CN108880101B (zh) * | 2018-06-28 | 2020-11-20 | 南京艾凌节能技术有限公司 | 一种永磁调速器的散热结构 |
-
2020
- 2020-12-09 CN CN202022958516.0U patent/CN213754285U/zh active Active
- 2020-12-14 WO PCT/CN2020/136099 patent/WO2021043344A2/zh unknown
- 2020-12-14 AU AU2020104436A patent/AU2020104436A4/en not_active Ceased
- 2020-12-14 AU AU2020342301A patent/AU2020342301A1/en active Pending
- 2020-12-14 JP JP2021600014U patent/JP3235100U/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023138905A1 (en) | 2022-01-24 | 2023-07-27 | ISOL8 (Holdings) Limited | Downhole heating |
Also Published As
Publication number | Publication date |
---|---|
AU2020342301A1 (en) | 2021-06-24 |
WO2021043344A3 (zh) | 2021-09-10 |
JP3235100U (ja) | 2021-11-25 |
AU2020342301A9 (en) | 2021-07-08 |
CN213754285U (zh) | 2021-07-20 |
AU2020104436A4 (en) | 2021-07-29 |
AU2020342301A2 (en) | 2021-07-15 |
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