CN210780480U - Speed regulation and heat dissipation device for permanent magnet synchronous motor - Google Patents
Speed regulation and heat dissipation device for permanent magnet synchronous motor Download PDFInfo
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- CN210780480U CN210780480U CN201922343983.XU CN201922343983U CN210780480U CN 210780480 U CN210780480 U CN 210780480U CN 201922343983 U CN201922343983 U CN 201922343983U CN 210780480 U CN210780480 U CN 210780480U
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Abstract
The utility model discloses a speed regulation and heat dissipation device of a permanent magnet synchronous motor, which comprises a base, wherein the base is fixedly connected with an outer shell through a positioning bracket arranged on the upper surface of the base, the number of the positioning brackets is two, the two positioning brackets are arranged symmetrically left and right, and the outer side surface of the outer shell is provided with a heat dissipation fin plate, the speed regulation and heat dissipation device of the permanent magnet synchronous motor has compact structure and convenient operation, can change the torque transmitted between the two by adjusting the relative position between a rotor and a stator, can realize repeatable and adjustable controllable output torque and rotating speed, realizes the purpose of speed regulation and energy conservation, brings convenience for the use of speed regulation of the permanent magnet synchronous motor, can carry out good heat dissipation on the permanent magnet synchronous motor, facilitates the position movement of the utility model by arranging universal wheels, and facilitates the position fixation of the utility model by arranging positioning holes, the relative position of the stator core and the rotor can be adjusted by controlling the extension and retraction of the linear motor.
Description
Technical Field
The utility model belongs to the technical field of permanent-magnet machine, concretely relates to PMSM speed governing and heat abstractor.
Background
The permanent magnet motor has the characteristics of simple structure, small volume, high operation efficiency, small loss and the like. Compared with an induction motor, the induction motor does not need reactive exciting current, so that the power factor is high. Compared with a direct current motor, the motor has no commutator and brush. With the continuous improvement of permanent magnet materials and the continuous development of micro-electronic technologies such as power electronic technology, control theory, microprocessor and the like, at present, speed regulation equipment of permanent magnet synchronous motors is mature, most people mainly use a pole-changing logarithmic speed regulation method, a frequency conversion speed regulation method or a cascade speed regulation method to regulate speed, and the defects that the speed regulation range is narrow and smooth speed regulation cannot be achieved exist.
Meanwhile, the conventional permanent magnet motor is not good enough in heat dissipation when in use and cannot be used uninterruptedly for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that it is not enough to above-mentioned prior art, a PMSM speed governing and heat abstractor is provided, can be through adjusting the relative position between rotor and the stator, can change the moment of torsion of transmission between the two, can realize repeatability, adjustable controllable output torque and rotational speed, realize the energy-conserving purpose of speed governing, the use of giving the PMSM speed governing has brought the facility, and can carry out fine heat dissipation to PMSM, PMSM's availability factor has further been promoted, can effectively solve the problem in the background art.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
a permanent magnet synchronous motor speed regulation and heat dissipation device, wherein: the heat dissipation device comprises a base, wherein the base is fixedly connected with an outer shell through a positioning support arranged on the upper surface of the base, a heat dissipation fin plate is arranged on the periphery of the side wall of the outer shell, an equipment cabin is arranged in the outer shell, a rotor is arranged in the center of the inside of the equipment cabin, permanent magnets are arranged on the periphery of the outer side surface of the rotor, a stator core is arranged at one end, close to the rotor, of the inside of the equipment cabin and is in sliding connection with the inner side surface of the equipment cabin through a linear motor, a supporting plate is arranged right above the outer shell, a blower, a heat dissipation water tank, a liquid pump and a control switch group are arranged on the upper surface of the supporting plate, the blower is close to a grid hole of the heat dissipation water tank, a liquid adding pipe is arranged on the upper surface of the heat dissipation water, the outer side surface of the heat dissipation water tank is communicated with the inside of the annular heat dissipation cavity through a guide pipe, the input end of the control switch group is electrically connected with the output end of an external power supply, and the output end of the control switch group is electrically connected with the input ends of the blower, the liquid pump and the linear motor respectively.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the shell body is composed of two layers of sealing plates, an annular heat dissipation cavity is arranged between the two layers of sealing plates, and the annular heat dissipation cavity is communicated with the heat dissipation fin plates.
The number of the positioning supports is two, and the two positioning supports are arranged in bilateral symmetry.
The number of the linear motors is two, and the two linear motors are uniformly distributed on the inner side surface of the equipment cabin.
The lower surface of foretell base is equipped with the universal wheel, and the quantity of universal wheel is four, and four universal wheels evenly distributed are around the lower surface of base.
The upper surface of the base is provided with four positioning holes, and the four positioning holes are uniformly distributed on the periphery of the upper surface of the base.
Four supporting rods are uniformly distributed on the periphery of the lower surface of the supporting plate, and the lower end faces of the supporting rods are fixedly connected with the upper surface of the base.
The grating holes are groove-shaped through holes.
The utility model has the advantages that:
this PMSM speed governing and heat abstractor, compact structure, convenient operation can be through adjusting the relative position between rotor and the stator, can change the moment of torsion of transmission between the two, can realize repeatable, adjustable controllable output torque and rotational speed, realize the energy-conserving purpose of speed governing, the use of giving the PMSM speed governing has brought the facility, can carry out fine heat dissipation to PMSM in addition, the setting of universal wheel has made things convenient for the utility model discloses a position shift, the setting of locating hole has made things convenient for the utility model discloses a fixed position can adjust the relative position of stator core and rotor through control linear electric motor's flexible.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
fig. 3 is a top view of the present invention.
The reference signs are: the device comprises a supporting plate 1, a positioning support 2, universal wheels 3, a base 4, a radiating fin 5, a blower 6, a liquid feeding pipe 7, a radiating water tank 8, a grid hole 9, a liquid pump 10, a control switch group 11, an outer shell 12, an annular radiating cavity 13, a rotor 14, a stator core 15, a linear motor 16, a device cabin 17 and a positioning hole 18.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
As shown in figure 1, the utility model relates to a permanent magnet synchronous motor speed regulation and heat dissipation device, which comprises a base 4, the lower surface of the base 4 is provided with universal wheels 3, the number of the universal wheels 3 is four, four universal wheels 3 are evenly distributed around the lower surface of the base 4, the arrangement of the universal wheels 3 facilitates the position movement of the utility model, the upper surface of the base 4 is provided with positioning holes 18, the number of the positioning holes 18 is four, four positioning holes 18 are evenly distributed around the upper surface of the base 4, the arrangement of the positioning holes 18 facilitates the position fixing of the utility model, the base 4 is fixedly connected with an outer shell 12 through positioning brackets 2 arranged on the upper surface of the base, the number of the positioning brackets 2 is two, two positioning brackets 2 are arranged in bilateral symmetry, the outer side surface of the outer shell 12 is provided with heat dissipation fins 5, the inner part of the heat dissipation fins 5 is of a hollow structure, the outer shell, an annular heat dissipation cavity 13 is arranged between two layers of sealing plates, the annular heat dissipation cavity 13 is communicated with the heat dissipation fin plates 5, an equipment cabin 17 is arranged inside the outer shell 12, a rotor 14 is arranged in the center inside the equipment cabin 17, a stator core 15 is arranged at one end, close to the rotor 14, inside the equipment cabin 17, a winding coil is wound on the outer side surface of the stator core 15, the stator core 15 is connected with the inner side surface of the equipment cabin 17 in a sliding mode through a linear motor 16, the number of the linear motors 16 is two, the two linear motors 16 are symmetrically distributed on the inner side surface of the equipment cabin 17, a supporting plate 1 is arranged right above the outer shell 12, four supporting rods are uniformly distributed on the periphery of the lower surface of the supporting plate 1, the lower end surfaces of the supporting rods are fixedly connected with the upper surface of the base 4, a blower 6, a heat dissipation water tank 8, a liquid pump 10, the permanent magnet synchronous motor speed regulation and heat dissipation device has the advantages of compact structure and convenient operation, can change the torque transmitted between the permanent magnet rotor and the permanent magnet stator by adjusting the relative position between the permanent magnet rotor and the permanent magnet stator, and can realize repeatable and adjustable output torque and rotating speed, the purpose of speed regulation and energy conservation is achieved, convenience is brought to the use of the speed regulation of the permanent magnet synchronous motor, and the permanent magnet synchronous motor can be well cooled.
When in use: during the use, for the coil circular telegram of winding at stator core lateral surface, during the speed governing, drive stator core 15 by linear electric motor 16 and remove, thereby change the relative position between stator core 15 and the rotor 14, can change the moment of torsion of transmission between the two, can realize repeatable, adjustable controllable output torque, thereby make the motor can realize the rotational speed regulation of wider, when needs dispel the heat to the motor, control the water cycle between heat dissipation water tank 8 and the annular heat dissipation chamber 13 by liquid pump 10, and simultaneously, lower the temperature by hair-dryer 6 to heat dissipation water tank 8.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (8)
1. A speed regulation and heat dissipation device of a permanent magnet synchronous motor is characterized in that: comprises a base (4), the base (4) is fixedly connected with an outer shell (12) through a positioning support (2) arranged on the upper surface of the base, a radiating fin (5) is arranged on the side wall of the outer shell (12) in a circle, an equipment cabin (17) is arranged inside the outer shell (12), a rotor (14) is arranged in the center of the inside of the equipment cabin (17), permanent magnets are arranged on the periphery of the outer side surface of the rotor (14), a stator core (15) is arranged at one end, close to the rotor (14), of the inside of the equipment cabin (17), the stator core (15) is in sliding connection with the inner side surface of the equipment cabin (17) through a linear motor (16), a supporting plate (1) is arranged right above the outer shell (12), a blower (6), a radiating water tank (8), a liquid pump (10) and a control switch group (11) are arranged on the upper surface of the supporting plate (1), the blower (6) is close, the upper surface of heat dissipation water tank (8) is equipped with liquid feeding pipe (7), the inlet of liquid pump (10) passes through the pipe and links to each other with the lateral surface of heat dissipation water tank (8), the liquid outlet of liquid pump (10) communicates with each other through the inside of pipe with annular heat dissipation chamber (13), and the lateral surface of heat dissipation water tank (8) communicates with each other through the inside of pipe with annular heat dissipation chamber (13), the input of control switch group (11) is connected with external power source's output electricity, the output of control switch group (11) is connected with the input electricity of hair-dryer (6), liquid pump (10) and linear electric motor (16) respectively.
2. The permanent magnet synchronous motor speed regulation and heat dissipation device according to claim 1, characterized in that: the outer shell (12) is composed of two layers of sealing plates, an annular heat dissipation cavity (13) is arranged between the two layers of sealing plates, and the annular heat dissipation cavity (13) is communicated with the heat dissipation fin plates (5).
3. The permanent magnet synchronous motor speed regulation and heat dissipation device according to claim 1, characterized in that: the number of the positioning supports (2) is two, and the two positioning supports (2) are arranged in a bilateral symmetry mode.
4. The permanent magnet synchronous motor speed regulation and heat dissipation device according to claim 1, characterized in that: the number of the linear motors (16) is two, and the two linear motors (16) are uniformly distributed on the inner side surface of the equipment cabin (17).
5. The permanent magnet synchronous motor speed regulation and heat dissipation device according to claim 1, characterized in that: the lower surface of base (4) is equipped with universal wheel (3), and the quantity of universal wheel (3) is four, and four universal wheel (3) evenly distributed are around the lower surface of base (4).
6. The permanent magnet synchronous motor speed regulation and heat dissipation device according to claim 1, characterized in that: the upper surface of base (4) is equipped with locating hole (18), and the quantity of locating hole (18) is four, and four locating holes (18) evenly distributed are around the upper surface of base (4).
7. The permanent magnet synchronous motor speed regulation and heat dissipation device according to claim 1, characterized in that: four supporting rods are uniformly distributed on the periphery of the lower surface of the supporting plate (1), and the lower end faces of the supporting rods are fixedly connected with the upper surface of the base (4).
8. The permanent magnet synchronous motor speed regulation and heat dissipation device according to claim 1, characterized in that: the grating holes (9) are groove-shaped through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922343983.XU CN210780480U (en) | 2019-12-24 | 2019-12-24 | Speed regulation and heat dissipation device for permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922343983.XU CN210780480U (en) | 2019-12-24 | 2019-12-24 | Speed regulation and heat dissipation device for permanent magnet synchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN210780480U true CN210780480U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922343983.XU Active CN210780480U (en) | 2019-12-24 | 2019-12-24 | Speed regulation and heat dissipation device for permanent magnet synchronous motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300540A (en) * | 2021-06-25 | 2021-08-24 | 江西德安万年青水泥有限公司 | Portland cement production is with broken equipment belt potential energy power generation facility of transporting down |
| CN117220437A (en) * | 2023-09-20 | 2023-12-12 | 淄博京科电气有限公司 | Permanent magnet motor with adjusting function and using method thereof |
-
2019
- 2019-12-24 CN CN201922343983.XU patent/CN210780480U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300540A (en) * | 2021-06-25 | 2021-08-24 | 江西德安万年青水泥有限公司 | Portland cement production is with broken equipment belt potential energy power generation facility of transporting down |
| CN117220437A (en) * | 2023-09-20 | 2023-12-12 | 淄博京科电气有限公司 | Permanent magnet motor with adjusting function and using method thereof |
| CN117220437B (en) * | 2023-09-20 | 2024-04-26 | 湖南中资稀土永磁机电科技有限公司 | Permanent magnet motor with adjusting function and using method thereof |
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