CN210404996U - Adjustable permanent magnet synchronous motor - Google Patents
Adjustable permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN210404996U CN210404996U CN201921864633.1U CN201921864633U CN210404996U CN 210404996 U CN210404996 U CN 210404996U CN 201921864633 U CN201921864633 U CN 201921864633U CN 210404996 U CN210404996 U CN 210404996U
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- plate
- motor shaft
- fan
- extension
- bottom plate
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Abstract
The utility model is suitable for the technical field of permanent magnet synchronous motors, and provides an adjustable permanent magnet synchronous motor, which comprises a rotor, a motor shaft, a bottom plate, a top plate, a fan plate, an extension plate, a lifting screw rod, a first nut and a second nut, wherein the bottom plate is fixedly connected with the motor shaft, a heat dissipation mechanism which is used for providing heat dissipation and consists of a telescopic fan plate and an extension plate is arranged, the bottom plate and the top plate are respectively connected with the fan plate and the extension plate, a user can adjust the common area of the fan plate and the extension plate by adjusting the distance between the bottom plate and the top plate, and further extend the extension plate to increase the common area of the fan plate and the extension plate when the motor needs high-power work and can generate a large amount of heat, and retract the extension plate to reduce the common area of the fan plate and the extension plate when the motor needs low-power work and, thereby reducing the load resistance to the motor shaft and reducing energy loss.
Description
Technical Field
The utility model belongs to the technical field of PMSM, especially, relate to a PMSM with adjustable.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, mainly has the function of generating driving torque and is used as a power source of electrical appliances or various machines, and mainly has the function of converting electric energy into mechanical energy.
The rotor fan arranged on the permanent magnet synchronous motor is used for heat dissipation, but when the fan blades rotate, wind resistance exists, energy loss is caused, and the power of the motor is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a PMSM with adjustable, when aiming at solving rotor fan flabellum and rotating, there is the windage effect, causes energy loss, influences the problem of motor power.
The utility model is realized in such a way, an adjustable permanent magnet synchronous motor comprises a rotor, a motor shaft, a bottom plate, a top plate, a fan plate, an extension plate, a lifting screw, a first nut and a second nut;
the rotor is arranged in the middle of the motor shaft and is fixedly connected with the motor shaft, one end of the motor shaft is provided with the bottom plate and the top plate, the bottom plate is fixedly connected with the motor shaft, the bottom plate and the top plate are arranged in parallel relatively, the bottom plate and the top plate are both vertical to the motor shaft, a plurality of fan plates are fixed on one side surface of the bottom plate facing the top plate and are distributed around the motor shaft at intervals in a ring shape, the fan plate is movably connected with one extension plate which is fixedly connected with the top plate, one end of the lifting screw is fixedly arranged on the bottom plate, the other end of the lifting screw penetrates through the top plate, the lifting screw is provided with one first nut and one second nut, and the first nut and the second nut are respectively positioned on two sides of the top plate.
Preferably, still include installation axle and locking bolt, a first screw and a second screw have been seted up on the extension board, first screw is located the middle part at one side border of extension board, the second screw is located one side of first screw, seted up on the roof and corresponded a plurality ofly respectively a plurality of adjustment tank of extension board, the one end of installation axle is passed the roof is installed in the first screw, the installation axle rotates to be connected the roof, locking bolt's one end is passed adjustment tank and fixed mounting be in the second screw.
Preferably, the number of the lifting screws is four, and the four lifting screws are uniformly distributed around the motor shaft at intervals in an annular shape.
Preferably, the adjusting groove is of an arc-shaped groove structure.
Preferably, the diameter of the bottom plate and the diameter of the top plate are both smaller than the diameter of the rotor.
Preferably, the fan plate and the extension plate are both made of stainless steel.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a permanent magnet synchronous motor with adjustable, be used for providing radiating heat dissipation mechanism that comprises telescopic fan board and extension board through the setting, and connect fan board and extension board respectively by bottom plate and roof, the user can be through the interval of adjusting bottom plate and roof, thereby adjust the common area of fan board and extension board, and then when the motor needs high power work and can produce a large amount of heats, the extension board is with the common area that increases fan board and extension board, when the motor needs low power work and can produce a small amount of heats, withdraw the common area of extension board in order to reduce fan board and extension board, thereby reduce the load resistance to the motor shaft, reduce energy loss.
Drawings
Fig. 1 is a schematic diagram of an overall structure of an adjustable pmsm according to the present invention;
fig. 2 is a schematic structural view of the fan plate, the extension plate, the mounting shaft and the locking bolt of the present invention;
FIG. 3 is a schematic diagram of the structure of the fan board and the extension board of the present invention;
fig. 4 is a schematic structural diagram of the top plate of the present invention.
In the figure: 1-rotor, 2-motor shaft, 3-bottom plate, 4-top plate, 5-fan plate, 6-extension plate, 7-first screw hole, 8-second screw hole, 9-mounting shaft, 10-locking bolt, 11-lifting screw rod, 12-first nut, 13-second nut and 14-adjusting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, the present invention provides a technical solution: an adjustable permanent magnet synchronous motor comprises a rotor 1, a motor shaft 2, a bottom plate 3, a top plate 4, a fan plate 5, an extension plate 6, a lifting screw 11, a first nut 12 and a second nut 13.
Rotor 1 sets up at motor shaft 2's middle part and fixed connection motor shaft 2, motor shaft 2's one end is provided with bottom plate 3 and roof 4, 3 fixed connection motor shafts 2 of bottom plate, bottom plate 3 and roof 4 are relative parallel arrangement, bottom plate 3 and roof 4 equal perpendicular to motor shaft 2, be fixed with a plurality of fan boards 5 on the side of bottom plate 3 facing roof 4, a plurality of fan boards 5 are annular interval distribution around motor shaft 2, swing joint has an extension board 6 in the fan board 5, 6 fixed connection roof 4 of extension board, the one end fixed mounting of lifting screw 11 is on bottom plate 3, lifting screw 11's the other end passes roof 4, install a first nut 12 and a second nut 13 on lifting screw 11, first nut 12 and second nut 13 are located the both sides of roof 4 respectively.
In the embodiment, the rotor 1 is installed on the motor shaft 2, the middle part of the bottom plate 3 and the middle part of the top plate 4 are respectively provided with a shaft hole for accommodating the motor shaft 2, the motor shaft 2 penetrates through the bottom plate 3 and the top plate 4, the bottom plate 3 and the motor shaft 2 are fixed by welding, the fan plate 5 is used for providing heat dissipation for the motor when the motor shaft 2 rotates, the extension plate 6 can perform telescopic movement on the fan plate 5 so as to adjust the extending area of the extension plate 6, the lifting screw 11 is used for adjusting the distance between the top plate 4 and the bottom plate 3 and is fixed by the first nut 12 and the second nut 13, the first nut 1 and the second nut 13 limit the top plate 4, the bottom plate 3 is provided with an installation screw hole for installing the lifting screw 11, when the motor needs high-power work and can generate a large amount of heat, the extension plate 6 is extended so as to increase the common area of the fan plate 5, thereby improving heat dissipation efficiency, when the motor needs low power operation and can produce a small amount of heat, withdraw extension plate 6 to reduce the common area of fan plate 5 and extension plate 6 to reduce the load resistance to the motor shaft, reduce energy loss.
Further, still including installation axle 9 and locking bolt 10, a first screw 7 and a second screw 8 have been seted up on the extension board 6, first screw 7 is located the middle part at one side border of extension board 6, second screw 8 is located one side of first screw 7, set up a plurality of adjustment tank 14 that correspond a plurality of extension boards 6 respectively on roof 4, the one end of installation axle 9 is passed roof 4 and is installed in first screw 7, installation axle 9 rotates and connects roof 4, locking bolt 10's one end is passed adjustment tank 14 and fixed mounting in second screw 8.
In the present embodiment, the fan plate 5 is rotatably connected to the bottom plate 3, and the extension plate 6 is rotatably connected to the top plate 4, the mounting shaft 9 is used as a rotation shaft of the extension plate 6 and is used for mounting the extension plate 6, the adjustment groove 14 is used for adjusting the angle of the extension plate 6 and the fan plate 5, and the locking bolt 10 can slide along the adjustment groove 14 to adjust the angle of the extension plate 6, thereby adjusting the wind resistance of the fan plate 5 and the bottom plate 3.
Furthermore, four lifting screw rods 11 are arranged, and the four lifting screw rods 11 are uniformly distributed at intervals in an annular shape around the motor shaft 2.
In this embodiment, through setting up four evenly distributed lifting screw 11 for four screws 11 can evenly receive the force, thereby make the connection between bottom plate 3 and the roof 4 more firm, use safelyr.
Further, the adjusting slot 14 is an arc slot structure.
In the present embodiment, when the user adjusts the extension plate 6 using the lock bolt 10, the extension plate 6 rotates about the mounting shaft 9, and the lock bolt 10 is restricted by both ends of the adjustment groove 14.
Further, the diameter of the bottom plate 3 and the top plate 4 is smaller than the diameter of the rotor 1.
In the present embodiment, since the diameters of the bottom plate 3 and the top plate 4 are smaller than the diameter of the rotor 1, the installation of the bottom plate 3 and the top plate 4 is facilitated, and the occupied space can be reduced.
Further, the fan plate 5 and the extension plate 6 are made of stainless steel.
In the present embodiment, the stainless steel is an austenitic stainless steel, which has excellent acid resistance, oxidation resistance, radiation resistance, high temperature and low temperature mechanical properties.
The utility model discloses a theory of operation and use flow: the utility model discloses after installing, need high power work and can produce when a large amount of heats at the motor, extension plate 6 is in order to increase fan plate 5 and extension plate 6's common area, thereby promote the radiating efficiency, when the motor needs low power work and can produce a small amount of heats, withdraw extension plate 6 in order to reduce fan plate 5 and extension plate 6's common area, thereby reduce the load resistance to the motor shaft, reduce energy loss, in addition, also can utilize locking bolt 10 to slide along adjustment tank 14 in order to adjust the angle of extension plate 6, thereby adjust fan plate 5 and bottom plate 3's windage, thereby increase or reduce the radiating efficiency that fan plate 5 and extension plate 6 can provide.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. An adjustable permanent magnet synchronous motor is characterized in that: comprises a rotor (1), a motor shaft (2), a bottom plate (3), a top plate (4), a fan plate (5), an extension plate (6), a lifting screw (11), a first nut (12) and a second nut (13);
the rotor (1) is arranged in the middle of the motor shaft (2) and fixedly connected with the motor shaft (2), one end of the motor shaft (2) is provided with the bottom plate (3) and the top plate (4), the bottom plate (3) is fixedly connected with the motor shaft (2), the bottom plate (3) and the top plate (4) are arranged in parallel relatively, the bottom plate (3) and the top plate (4) are both perpendicular to the motor shaft (2), one side surface of the bottom plate (3) facing the top plate (4) is fixedly provided with a plurality of fan plates (5), the plurality of fan plates (5) are distributed around the motor shaft (2) at intervals in an annular shape, one extension plate (6) is movably connected in each fan plate (5), the extension plate (6) is fixedly connected with the top plate (4), one end of the lifting screw (11) is fixedly installed on the bottom plate (3), the other end of the lifting screw rod (11) penetrates through the top plate (4), the lifting screw rod (11) is provided with one first nut (12) and one second nut (13), and the first nut (12) and the second nut (13) are respectively positioned on two sides of the top plate (4).
2. An adjustable permanent magnet synchronous machine according to claim 1, characterized in that: still including installation axle (9) and locking bolt (10), a first screw (7) and a second screw (8) have been seted up on extension board (6), first screw (7) are located the middle part at one side border of extension board (6), second screw (8) are located one side of first screw (7), set up on roof (4) and correspond a plurality of respectively a plurality of adjustment tank (14) of extension board (6), the one end of installation axle (9) is passed roof (4) and is installed in first screw (7), installation axle (9) is rotated and is connected roof (4), the one end of locking bolt (10) is passed adjustment tank (14) and fixed mounting be in second screw (8).
3. An adjustable permanent magnet synchronous machine according to claim 1, characterized in that: the four lifting screw rods (11) are arranged, and the four lifting screw rods (11) are uniformly distributed at intervals in an annular shape around the motor shaft (2).
4. An adjustable permanent magnet synchronous machine according to claim 2, characterized in that: the adjusting groove (14) is of an arc-shaped groove structure.
5. An adjustable permanent magnet synchronous machine according to claim 1, characterized in that: the diameters of the bottom plate (3) and the top plate (4) are smaller than the diameter of the rotor (1).
6. An adjustable permanent magnet synchronous machine according to claim 1, characterized in that: the fan plate (5) and the extension plate (6) are both made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864633.1U CN210404996U (en) | 2019-11-01 | 2019-11-01 | Adjustable permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864633.1U CN210404996U (en) | 2019-11-01 | 2019-11-01 | Adjustable permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404996U true CN210404996U (en) | 2020-04-24 |
Family
ID=70343183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921864633.1U Expired - Fee Related CN210404996U (en) | 2019-11-01 | 2019-11-01 | Adjustable permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210404996U (en) |
-
2019
- 2019-11-01 CN CN201921864633.1U patent/CN210404996U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200424 Termination date: 20211101 |