CN213547212U - Solid shaft rotor and submersible motor - Google Patents
Solid shaft rotor and submersible motor Download PDFInfo
- Publication number
- CN213547212U CN213547212U CN202022774905.8U CN202022774905U CN213547212U CN 213547212 U CN213547212 U CN 213547212U CN 202022774905 U CN202022774905 U CN 202022774905U CN 213547212 U CN213547212 U CN 213547212U
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- Prior art keywords
- rotor
- rotor shaft
- shaft
- metal layer
- motor
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- 239000007787 solid Substances 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 44
- 239000010959 steel Substances 0.000 claims description 44
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Induction Machinery (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A solid shaft rotor and a submersible motor belong to the technical field of submersible motors. Including rotor shaft (1) and set up the permanent magnet on rotor shaft (1), its characterized in that: the rotor shaft (1) is coated with a metal layer, the resistivity of the metal layer is smaller than that of the rotor shaft (1), and locking devices used for locking the permanent magnets are arranged at two ends of the rotor shaft (1). The rotor shaft of the solid shaft rotor is coated with the metal layer, and the resistivity of the metal layer is smaller than that of the rotor shaft, so that the eddy current loss and the additional loss are greatly reduced, the energy consumption of the motor is reduced, the heat productivity of the motor is also reduced, and the energy conversion rate of the motor is improved; this submersible motor links to each other with the immersible pump, and the inside of submersible motor is watered during the use, and water has good heat conductivility, fine solution the problem of generating heat of rotor shaft, can in time go out the heat conduction of rotor shaft, make submersible motor can remain throughout and work under the suitable temperature.
Description
Technical Field
A solid shaft rotor and a submersible motor belong to the technical field of submersible motors.
Background
The coreless rotor is also called a solid rotor, and the coreless rotor has no silicon steel sheet, rotor cage (copper conducting bar) and the like on the rotor, and only has a rotor shaft which is not only an iron core of a magnetic circuit, but also a component of the circuit. The motor has the advantages of high mechanical strength of the rotor, good balance, simple structure, good starting performance, low operation vibration noise and the like. The product has excellent starting performance, so that the product is mainly used in the field of hoisting motor equipment at present. The disadvantage is that the value of the eddy current loss on the surface of the rotor in the additional loss is far larger than that of the common induction motor, which is the main reason for the low efficiency of the type of motor and limits the development of the type of motor. The additional loss of the rotor surface is large, the heat generation of the rotor is high, and the rotor is the main defect of the coreless rotor motor.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the solid shaft rotor and the submersible motor capable of reducing the additional loss and the eddy current loss on the surface of the rotor shaft are provided.
The utility model provides a technical scheme that its technical problem adopted is: this solid shaft rotor, including rotor shaft and the permanent magnet of setting on rotor shaft, its characterized in that: the rotor shaft is coated with a metal layer, the resistivity of the metal layer is smaller than that of the rotor shaft, and locking devices for locking the permanent magnets are arranged at two ends of the rotor shaft.
Preferably, the metal layer is a copper layer.
Preferably, the material of the metal layer is T2 red copper. T2 red copper has good electric conductive property, and the resistivity is low, can greatly reduced eddy current loss and additional loss, and thermal conductivity is good, can in time distribute away the heat of rotor shaft, and processability is good, makes things convenient for the processing production of rotor shaft to it is corrosion-resistant, provides the condition for the rotor shaft uses on the dive motor.
Preferably, the permanent magnet is cylindrical magnetic steel sleeved outside the rotor shaft, and the metal layer is coated outside the magnetic steel.
Preferably, the magnetic steels are arranged side by side along the axial direction of the rotor shaft and spliced into a cylinder shape, and the locking device locks the magnetic steels through two ends of the magnetic steels. The magnetic steels are arranged side by side along the axial direction of the rotor shaft and spliced into a cylinder shape, so that the magnetic steels can adapt to rotor shafts with different lengths.
Preferably, locking device include compensating ring, magnet steel clamping ring and locking screw, compensating ring and magnet steel clamping ring set up respectively at the both ends of rotor shaft, compensating ring and rotor shaft fixed connection, the magnet steel clamping ring passes through locking screw and is connected with rotor shaft detachable, the permanent magnet setting is between compensating ring and magnet steel clamping ring. The magnetic steel compression ring and the balance ring are matched to compress the magnetic steel, so that the integrity of the magnetic steel is ensured to be good.
Preferably, both ends of the rotor shaft are provided with balance rings, and the magnetic steel compression ring is arranged between any one of the balance rings and the rotor shaft.
Preferably, a copper gasket is arranged between the magnetic steel pressure ring and the balance ring on the corresponding side.
A submersible motor, characterized in that: the solid shaft rotor comprises a motor main body and the solid shaft rotor, wherein a coil arranged around a rotor shaft is arranged in the motor main body, and a connecting part used for being connected with an input shaft of a submersible pump is arranged at one end, extending out of the motor main body, of the rotor shaft.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
the rotor shaft of the solid shaft rotor is coated with the metal layer, and the resistivity of the metal layer is smaller than that of the rotor shaft, so that the eddy current loss and the additional loss are greatly reduced, the energy consumption of the motor is reduced, the heat productivity of the motor is also reduced, the energy conversion rate of the motor is improved, and the performance index of the motor is higher than the standard requirement.
This submersible motor links to each other with the immersible pump, and the inside of submersible motor is watered during the use, and water has good heat conductivility, fine solution the problem of generating heat of rotor shaft, can in time go out the heat conduction of rotor shaft, make submersible motor can remain throughout and work under the suitable temperature.
Drawings
FIG. 1 is a schematic front cross-sectional view of a solid shaft rotor.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the figure: 1. rotor shaft 101, installation department 102, connecting portion 2, magnet steel 3, copper layer 4, compensating ring 5, magnet steel clamping ring 6, copper gasket 7, holding screw.
Detailed Description
Fig. 1 to 2 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 2.
A solid shaft rotor comprises a rotor shaft 1 and permanent magnets arranged on the rotor shaft 1, wherein a metal layer is coated outside the rotor shaft 1, the resistivity of the metal layer is smaller than that of the rotor shaft 1, and locking devices used for locking the permanent magnets are arranged at two ends of the rotor shaft 1. The rotor shaft 1 of the solid shaft rotor is coated with the metal layer, and the resistivity of the metal layer is smaller than that of the rotor shaft 1, so that the eddy current loss and the additional loss are greatly reduced, the energy consumption of the motor is reduced, the heat productivity of the motor is also reduced, the energy conversion rate of the motor is improved, and the performance index of the motor is higher than the standard requirement.
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
Specifically, the method comprises the following steps: as shown in FIGS. 1-2: both ends of rotor shaft 1 all are provided with the installation department 101 that the diameter is less than the middle part diameter, and installation department 101 sets up with rotor shaft 1 is coaxial, and the left end of rotor shaft 1 is provided with connecting portion 102, is provided with the keyway on the connecting portion 102.
Between each mounting portion 101 and the corresponding end surface of the rotor shaft 1, a positioning portion is provided, the diameter of which is smaller than the diameter of the rotor shaft 1 and larger than the diameter of the mounting portion 101.
The permanent magnet is magnet steel 2, and magnet steel 2 is the ring shape, and magnet steel 2 coaxial cover is established outside rotor shaft 1, and magnet steel 2 has along the axial of rotor shaft 1 a plurality ofly set up side by side to splice into the cylindric with rotor shaft 1 is coaxial. The magnetic steel 2 is coated with a metal layer, which is a copper layer 3 in this embodiment. The material of the copper layer 3 is T2 red copper.
The locking device comprises a balance ring 4, a magnetic steel pressing ring 5 and a locking screw 7, wherein the balance ring 4 and the magnetic steel pressing ring 5 are both in a ring shape and are coaxially arranged with the rotor shaft 1, the balance ring 4 is coaxially sleeved outside the positioning portion, and the balance ring 4 is fixedly connected with the positioning portion. The magnetic steel pressing ring 5 is provided with only one magnetic steel pressing ring, the magnetic steel pressing ring 5 is arranged between any one balance ring 4 and the rotor shaft 1, and in the embodiment, the magnetic steel pressing ring 5 is arranged between the left balance ring 4 and the rotor shaft 1. Magnet steel clamping ring 5 passes through locking screw 7 and is connected with 1 detachable of rotor shaft, and locking screw 7 is parallel to the axis setting of rotor shaft 1, and locking screw 7 encircles the axis interval of rotor shaft 1 and has a plurality of, and magnet steel clamping ring 5 cooperatees with balancing ring 4 on right side and locks magnet steel 2.
A copper gasket 6 is arranged between the left balance ring 4 and the magnetic steel pressure ring 5, and the copper gasket 6 is in a ring shape and is coaxial with the rotor shaft 1.
The utility model also provides a submersible motor, including motor main part and foretell solid axle rotor, be provided with the coil that encircles 1 settings of rotor shaft in the motor main part, two installation departments 101 of rotor shaft 1 all rotate with motor main part through the bearing and are connected. The connecting part 102 of the rotor shaft 1 is coaxially connected with an input shaft of the submersible pump and drives the submersible pump to work. This submersible motor links to each other with the immersible pump, and the inside of submersible motor is watered during the use, and water has good heat conductivility, fine solution the problem of generating heat of rotor shaft, can in time go out the heat conduction of rotor shaft, make submersible motor can remain throughout and work under the suitable temperature.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. A solid shaft rotor comprises a rotor shaft (1) and permanent magnets arranged on the rotor shaft (1), and is characterized in that: the rotor shaft (1) is coated with a metal layer, the resistivity of the metal layer is smaller than that of the rotor shaft (1), and locking devices used for locking the permanent magnets are arranged at two ends of the rotor shaft (1).
2. The solid shaft rotor of claim 1, wherein: the metal layer is a copper layer (3).
3. The solid shaft rotor as claimed in claim 1 or 2, wherein: the metal layer is made of T2 red copper.
4. The solid shaft rotor of claim 1, wherein: the permanent magnet is cylindrical magnetic steel (2) sleeved outside the rotor shaft (1), and the metal layer is coated outside the magnetic steel (2).
5. A solid shaft rotor as defined in claim 4, wherein: the magnetic steel (2) is arranged side by side along the axial direction of the rotor shaft (1) and spliced into a cylinder shape, and the locking device locks the magnetic steel (2) through two ends of the magnetic steel (2).
6. A solid shaft rotor as defined in claim 1 or 5, wherein: locking device include compensating ring (4), magnet steel clamping ring (5) and locking screw (7), compensating ring (4) and magnet steel clamping ring (5) set up respectively at the both ends of rotor shaft (1), compensating ring (4) and rotor shaft (1) fixed connection, magnet steel clamping ring (5) are connected with rotor shaft (1) detachable through locking screw (7), the permanent magnet setting is between compensating ring (4) and magnet steel clamping ring (5).
7. The solid shaft rotor of claim 6, wherein: the rotor comprises a rotor shaft (1), balance rings (4) are arranged at two ends of the rotor shaft (1), and magnetic steel compression rings (5) are arranged between any one of the balance rings (4) and the rotor shaft (1).
8. A solid shaft rotor as defined in claim 7, wherein: and a copper gasket (6) is arranged between the magnetic steel pressure ring (5) and the balance ring (4) on the corresponding side.
9. A submersible motor, characterized in that: the solid shaft rotor comprises a motor body and the solid shaft rotor as claimed in any one of claims 1-8, wherein a coil arranged around the rotor shaft (1) is arranged in the motor body, and a connecting part (102) used for being connected with an input shaft of a submersible pump is arranged at one end, extending out of the motor body, of the rotor shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022774905.8U CN213547212U (en) | 2020-11-26 | 2020-11-26 | Solid shaft rotor and submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022774905.8U CN213547212U (en) | 2020-11-26 | 2020-11-26 | Solid shaft rotor and submersible motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213547212U true CN213547212U (en) | 2021-06-25 |
Family
ID=76484270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022774905.8U Active CN213547212U (en) | 2020-11-26 | 2020-11-26 | Solid shaft rotor and submersible motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213547212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515933A (en) * | 2024-01-08 | 2024-02-06 | 河北环益新能源科技有限公司 | Power hydrothermal equipment |
-
2020
- 2020-11-26 CN CN202022774905.8U patent/CN213547212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515933A (en) * | 2024-01-08 | 2024-02-06 | 河北环益新能源科技有限公司 | Power hydrothermal equipment |
| CN117515933B (en) * | 2024-01-08 | 2024-03-08 | 河北环益新能源科技有限公司 | Power hydrothermal equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240416 Address after: No. 89 Henglihe, Qiugu Village, Shantou Street, Boshan District, Zibo City, Shandong Province, 255200 Patentee after: Shandong lutexi Pump Co.,Ltd. Country or region after: China Address before: 255200, Shandong Province, Boshan District, Zibo Province, autumn Valley, cross river 89 Patentee before: SHANDONG YANSHAN PUMPS Co.,Ltd. Country or region before: China |