CN210693740U - Direct-current permanent magnet brushless motor of solar photovoltaic sun tracking system - Google Patents
Direct-current permanent magnet brushless motor of solar photovoltaic sun tracking system Download PDFInfo
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- CN210693740U CN210693740U CN201921608291.7U CN201921608291U CN210693740U CN 210693740 U CN210693740 U CN 210693740U CN 201921608291 U CN201921608291 U CN 201921608291U CN 210693740 U CN210693740 U CN 210693740U
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Abstract
The utility model provides a direct current permanent magnet brushless motor of solar photovoltaic system of following after, include: a housing; the rotor assembly is arranged in the shell and comprises a rotating shaft and a rotor iron core sleeved on the rotating shaft; the stator assembly is arranged around the rotor assembly and comprises a stator core, a framework and an enameled wire wound on the framework, and the stator core is fixedly arranged on the framework; the front end cover and the rear end cover are respectively arranged at two ends of the rotor assembly, and two ends of the rotating shaft respectively penetrate through the front end cover and the rear end cover and are rotationally connected with the front end cover and the rear end cover through bearings; and the gear box is arranged in the shell close to the front end cover and is in transmission connection with the rotating shaft. The utility model discloses compact structure, protection level is high, and long service life has satisfied the production requirement of photovoltaic trade.
Description
Technical Field
The utility model relates to a direct current motor technical field particularly, relates to a direct current permanent magnet brushless motor of solar photovoltaic sun tracking system.
Background
The brush motor changes the current direction of the input coil through the mechanical friction of the commutator and the brushes, the rotating speed of the brush motor is relatively easy to control, but the mechanical friction of the brushes and the commutator can accelerate the brush loss, and the noise is large. The brushless dc motor is a dc motor using an electronic commutator instead of a brush and a commutator, and has the advantages of an ac motor, such as simple structure, reliable operation, convenient maintenance, and the like, and also has the advantages of a dc motor, such as high operation efficiency, good speed regulation performance, and low noise, and thus, the brushless dc motor is widely applied to various fields including home appliances.
At present, the direct current brush motor is commonly used in a photovoltaic sun tracking system, and has the defects that the brush is easy to wear and has a short service life, and the volume of the motor is large, so that the motor cannot meet the production requirements of the industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a solar photovoltaic system of chasing after direct current permanent magnetism brushless motor of day, solved among the prior art brush easy wearing and tearing, life-span low, and its volume is great, unsatisfied industry production requirement's problem.
In order to solve the technical problem, the utility model discloses a technical scheme is: a direct current permanent magnet brushless motor of a solar photovoltaic sun tracking system comprises:
a housing;
the rotor assembly is arranged in the shell and comprises a rotating shaft and a rotor iron core sleeved on the rotating shaft;
the stator assembly is arranged around the rotor assembly and comprises a stator core, a framework and an enameled wire wound on the framework, and the stator core is fixedly arranged on the framework;
the front end cover and the rear end cover are respectively arranged at two ends of the rotor assembly, and two ends of the rotating shaft respectively penetrate through the front end cover and the rear end cover and are rotationally connected with the front end cover and the rear end cover through bearings;
and the gear box is arranged in the shell close to the front end cover and is in transmission connection with the rotating shaft.
According to the utility model discloses a direct current permanent magnet brushless motor that embodiment provided, the fixed flange board that is provided with of tip before the casing, the integral key shaft has been pegged graft at flange board center, the integral key shaft with the gear box transmission is connected.
According to the utility model discloses a direct current permanent magnet brushless motor that embodiment provided, the pivot with front end housing hookup location is provided with the oil blanket, plays sealed effect.
According to the utility model discloses a direct current permanent magnet brushless motor that embodiment provided still includes the back shroud, back shroud fixed connection be in tip behind the casing, the skeleton with be provided with the circuit board between the rear end cap, be provided with the aviation socket on the back shroud, the circuit board with enameled wire and aviation socket electricity are connected.
According to the utility model discloses a direct current permanent magnet brushless motor that embodiment provided, still be provided with the breather valve on the back cover.
According to the utility model discloses a direct current permanent magnet brushless motor that embodiment provided, the gum cover has been cup jointed to the casing surface.
Compared with the prior art, the beneficial effects of the utility model include: the direct-current permanent magnet brushless motor with high power density and long service life is adopted to replace the traditional brush motor, so that the system efficiency is improved, and the electric energy loss is reduced; the spline connection mode is adopted to replace the conventional key groove connection mode, so that the connection strength is enhanced, and the impact strength is improved; the output end of the motor rotating shaft adopts an oil seal design, so that the tightness of sealing is improved; the outer surface of the motor shell is sleeved with the rubber sleeve, so that the motor shell has the characteristics of ultraviolet aging resistance, high protection level and long service life; the motor lead-out wire end adopts high protection level to insert by plane and ventilative valve combination as the mode of sealing protection and has improved the protection level. The utility model discloses compact structure, protection level is high, and long service life has satisfied the production requirement of photovoltaic trade.
Drawings
The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 schematically shows a partial cross-sectional view of a dc permanent magnet brushless motor according to an embodiment of the present invention;
fig. 2 schematically shows a side view of a dc permanent magnet brushless motor according to an embodiment of the present invention.
Reference numbers in the figures: 1-shell, 2-front end cover, 3-oil seal, 4-rotating shaft, 5-rotor core, 6-gear box, 7-enameled wire, 8-circuit board, 9-rear cover, 10-framework, 11-bearing, 12-stator core, 13-rear end cover, 14-flange plate, 15-ventilation valve, 16-aviation socket, 17-rubber sleeve and 18-spline shaft.
Detailed Description
It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.
An embodiment according to the present invention is shown in conjunction with fig. 1 and 2. The utility model provides a solar photovoltaic chases after direct current permanent magnetism brushless motor of day system, includes casing 1, gear box 6, rotor subassembly and stator module to and front end housing 2 and rear end cap 13, the rotor subassembly sets up inside casing 1, and this rotor subassembly includes that pivot 4 and cover establish rotor core 5 in pivot 4.
In this embodiment, stator module encircles the setting of rotor subassembly, and this stator module includes stator core 12, skeleton 10 and the enameled wire 7 of coiling on skeleton 10, and stator core 12 is fixed to be set up on skeleton 10.
In this embodiment, the front end cap 2 and the rear end cap 13 are respectively disposed at two ends of the rotor assembly, two ends of the rotating shaft 4 respectively penetrate through the front end cap 2 and the rear end cap 13 and are rotatably connected with the front end cap through the bearing 11, and the connecting position of the rotating shaft 4 and the front end cap 2 is provided with the oil seal 3 to play a role in sealing.
The gear box 6 is arranged inside the machine shell 1 close to the front end cover 2, and the gear box 6 is in transmission connection with the rotating shaft 4. The gear box 6 can reduce the output rotating speed of the motor by using a big gear and a small gear and increase the output torque of the motor.
A flange plate 14 is fixedly arranged at the front end part of the machine shell 1, a spline shaft 18 is inserted in the center of the flange plate 14, and the spline shaft 18 is in transmission connection with the gear box 6. By adopting a spline connection mode, the connection strength is enhanced, and the impact strength is improved.
In this embodiment, the air conditioner further comprises a rear cover 9, the rear cover 9 is fixedly connected to the rear end portion of the casing 1, a circuit board 8 is arranged between the framework 10 and the rear end cover 13, an aviation socket 16 is arranged on the rear cover 9, and the circuit board 8 is electrically connected with the enameled wire 7 and the aviation socket 16. And the aviation socket 16 is adopted, so that the protection level of the motor is improved.
Furthermore, a ventilation valve 15 is further arranged on the rear cover 9, air freely enters and exits the casing 1 by utilizing the ventilation valve 15, the internal pressure of the casing is balanced, and the stability of the internal environment of the motor is improved.
Furthermore, the outer surface of the casing 1 is sleeved with a rubber sleeve 17, the rubber sleeve 17 uniformly wraps the casing 1 by adopting a thermal shrinkage process, and the casing has the characteristics of ultraviolet aging resistance, high protection level and long service life.
The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a direct current permanent magnet brushless motor of solar photovoltaic sun tracking system which characterized in that includes:
a housing (1);
the rotor assembly is arranged in the machine shell (1) and comprises a rotating shaft (4) and a rotor iron core (5) sleeved on the rotating shaft (4);
the stator assembly surrounds the rotor assembly and comprises a stator iron core (12), a framework (10) and an enameled wire (7) wound on the framework (10), and the stator iron core (12) is fixedly arranged on the framework (10);
the front end cover (2) and the rear end cover (13) are respectively arranged at two ends of the rotor assembly, and two ends of the rotating shaft (4) respectively penetrate through the front end cover (2) and the rear end cover (13) and are rotationally connected with the front end cover (2) and the rear end cover (13) through a bearing (11);
the gear box (6) is arranged in the shell (1) close to the front end cover (2), and the gear box (6) is in transmission connection with the rotating shaft (4).
2. The brushless direct-current permanent magnet motor according to claim 1, wherein a flange plate (14) is fixedly arranged at the front end of the housing (1), a spline shaft (18) is inserted into the center of the flange plate (14), and the spline shaft (18) is in transmission connection with the gear box (6).
3. The brushless DC permanent magnet motor according to claim 1, wherein an oil seal (3) is disposed at the connection position of the rotating shaft (4) and the front end cover (2) for sealing.
4. The direct-current permanent magnet brushless motor according to claim 1, further comprising a rear cover (9), wherein the rear cover (9) is fixedly connected to the rear end portion of the housing (1), a circuit board (8) is arranged between the framework (10) and the rear end cover (13), an aviation socket (16) is arranged on the rear cover (9), and the circuit board (8) is electrically connected with the enameled wire (7) and the aviation socket (16).
5. A brushless DC permanent-magnet motor according to claim 4, characterized in that a breather valve (15) is also provided on the rear cover (9).
6. The brushless dc permanent magnet motor according to claim 1, wherein a rubber sleeve (17) is sleeved on the outer surface of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921608291.7U CN210693740U (en) | 2019-09-25 | 2019-09-25 | Direct-current permanent magnet brushless motor of solar photovoltaic sun tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921608291.7U CN210693740U (en) | 2019-09-25 | 2019-09-25 | Direct-current permanent magnet brushless motor of solar photovoltaic sun tracking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210693740U true CN210693740U (en) | 2020-06-05 |
Family
ID=70887116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921608291.7U Active CN210693740U (en) | 2019-09-25 | 2019-09-25 | Direct-current permanent magnet brushless motor of solar photovoltaic sun tracking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210693740U (en) |
-
2019
- 2019-09-25 CN CN201921608291.7U patent/CN210693740U/en active Active
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