CN113904480A

CN113904480A - Novel speed-changing energy-saving brushless double-fed motor

Info

Publication number: CN113904480A
Application number: CN202111295515.5A
Authority: CN
Inventors: 杨华
Original assignee: Guangdong Shangshui Energy Technology Co ltd
Current assignee: Guangzhou Yizhi Environmental Protection Technology Co.,Ltd.
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-01-07
Anticipated expiration: 2041-11-03
Also published as: CN113904480B

Abstract

The invention discloses a novel variable-speed energy-saving brushless double-fed motor which comprises a fixed mounting seat, wherein the middle of the top of the fixed mounting seat is fixedly connected with a mounting shell, the interior of the mounting shell is rotatably connected with a rotor shell, and the interior of the rotor shell is fixedly connected with a rotor partition plate. The current generated by the interaction of the magnetic rotor and the motor stator can be in direct proportion to the elongation of the electric telescopic rod, so that the magnetic flux between the magnetic rotor and the motor stator can be flexibly adjusted according to the wind power, the power generation quantity of the device can be flexibly adjusted, the device is prevented from being damaged due to overload in windy weather, the elongation of the electric telescopic rod can be in direct proportion to the current generated by the device, the magnetic flux in the device can be flexibly adjusted according to the external wind power, the device can be in a high-efficiency power generation state when different wind powers exist, and the production value of the device is improved.

Description

Novel speed-changing energy-saving brushless double-fed motor

Technical Field

The invention relates to the technical field of variable-speed energy-saving generators, in particular to a novel variable-speed energy-saving brushless double-fed motor.

Background

The brushless double-fed motor has the characteristics of high operation reliability, wide speed regulation range and the like. Compared with a common motor, the alternating current brushless double-fed motor has two sets of stator windings: the capacity of the frequency converter is matched with the power borne by the control winding, so that the capacity of the frequency converter is reduced, and electric energy is saved. And because the alternating current brushless double-fed motor cancels an electric brush and a slip ring, the alternating current brushless double-fed motor has the advantages of simple structure, safe and reliable operation, low maintenance cost and the like. The brushless double-fed motor is widely applied to the fields of high-capacity alternating current variable frequency speed regulation and the like.

In the prior art, brushless double-fed motor that current wind power generation used is in the in-service use, when meetting strong wind weather, its inside overload and the problem of damaging the device of appearing easily, thereby device life and maintenance cost have been reduced, and the device also is difficult to adjust the magnetic flux between rotor and the stator according to the wind-force size in the external world in a flexible way, the holding device is in more efficient power generation state all the time, the production value of device has been reduced, and the device's structure is comparatively complicated, the degree of difficulty of installation operation is great, maintenance efficiency and the power generation efficiency to the later stage influence also great.

Disclosure of Invention

The invention aims to provide a novel variable-speed energy-saving brushless double-fed motor to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel energy-conserving brushless double-fed motor of variable speed, includes the fixed mounting seat, the fixedly connected with installation shell of department in the middle of fixed mounting seat top, the inside rotation of installation shell is connected with rotor housing, rotor housing's inside fixedly connected with rotor baffle, adjacent two can enclose into the rotor groove between the rotor baffle, the magnetic rotor has been cup jointed in the inside activity in rotor groove.

The middle of the front side of the magnetic rotor is provided with a first jack, the middle of the rear side of the inner wall of the first jack is provided with a second jack, and the middle of the inner wall of the second jack is provided with a limit groove.

The equal fixedly connected with electric telescopic handle in the left and right sides of installation shell surface, electric telescopic handle's front end fixedly connected with solid fixed ring, gu fixed ring inside middle department rotates and is connected with the spacing ring, the inside middle department of spacing ring rotates and is connected with spacing dish, spacing hole has been seted up to the center department of spacing dish.

The rear side of the limiting ring is fixedly inserted with a limiting rod, a limiting inserted rod is fixedly connected to the middle of the rear side of the limiting rod, threaded holes are formed in the middle of the limiting rod and the middle of the inner portion of the limiting inserted rod, an adjusting screw is connected to the front side of the inner portion of the threaded hole in a threaded manner, the rear end of the adjusting screw penetrates through the inner portion of the threaded hole of the rear side and extends to the rear side of the threaded hole, a supporting plate is rotatably connected to the rear end of the adjusting screw, a first supporting rod is hinged to the edge of the front side of the supporting plate, a second supporting rod is hinged to the front end of the first supporting rod, and the front end of the second supporting rod is hinged to the edge of the rear side of the limiting inserted rod.

Preferably, the left side and the right side of the fixed mounting seat are both provided with reinforcing grooves, and the bottom of the inner wall of each reinforcing groove is in threaded connection with a fixing bolt.

Preferably, the rear side of installation shell passes through construction bolt and mounting base fixed connection, the department fixedly connected with motor stator in the middle of the mounting base front side, motor stator's front end cup joints the department in the inside middle of rotor shell, motor stator's output electric connection has the output wire, motor stator's output is through dredging wire and electric telescopic handle's input electric connection.

Preferably, the telescopic length of the electric telescopic rod is in direct proportion to the current intensity at the input end of the electric telescopic rod.

Preferably, a transmission shaft is fixedly connected to the middle of the front side of the rotor housing, and the front end of the transmission shaft penetrates through the inside of the limiting hole and extends to the front of the limiting hole.

Preferably, the front side of installation shell is opened and is equipped with logical groove, the rear end of gag lever post runs through the inside of logical groove and the inside front side of first jack in proper order and extends to inside.

Preferably, the rear end of the limiting insertion rod penetrates through the rear side of the interior of the first insertion hole and extends to the interior of the second insertion hole, and the outer surface of the supporting plate is movably sleeved in the interior of the second insertion hole.

Preferably, the front end of the adjusting screw penetrates through the front side inside the threaded hole on the front side and the front side of the limiting ring and extends to the front of the limiting ring, and the front end of the adjusting screw is fixedly connected with a knob handle.

The invention has the technical effects and advantages that:

(1) according to the invention, the electric telescopic rod, the limiting ring, the adjusting screw rod and the like are matched for use, so that the current generated by the interaction of the magnetic rotor and the motor stator can be in direct proportion to the elongation of the electric telescopic rod, and the magnetic flux between the magnetic rotor and the motor stator can be flexibly adjusted according to the wind power, so that the electricity production quantity of the device can be flexibly adjusted, the device is prevented from being damaged due to overload in windy weather, and the service life of the device is prolonged;

(2) according to the invention, the electric telescopic rod, the limiting ring, the adjusting screw rod and the like are matched for use, so that the elongation of the electric telescopic rod is in direct proportion to the current generated by the device, the magnetic flux in the device can be flexibly adjusted according to the external wind power, the device can be in a high-efficiency power generation state when different wind power sizes exist, and the production value of the device is improved;

(3) according to the invention, the fixing bolt, the mounting bolt, the adjusting screw and the like are used in a matched manner, so that the mounting steps of the device can be greatly simplified, the difficulty of mounting operation is reduced, the mounting efficiency of the device is improved, the device is convenient for later-stage maintenance personnel to efficiently and quickly maintain the device, the operation efficiency is improved, and the influence of maintenance operation on the power generation efficiency is reduced.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention.

Fig. 2 is a rear view of the whole structure of the present invention.

Fig. 3 is a schematic cross-sectional view of the present invention.

Fig. 4 is a partial rear view structure diagram of the present invention.

FIG. 5 is a schematic cross-sectional view of the stop lever according to the present invention.

FIG. 6 is a schematic cross-sectional view of the magnetic block of the present invention.

In the figure: 1. fixing the mounting seat; 2. a reinforcing groove; 3. fixing the bolt; 4. installing a shell; 5. mounting a base; 6. a motor stator; 7. an electric telescopic rod; 8. a rotor housing; 9. a rotor diaphragm; 10. a rotor slot; 11. a magnetic rotor; 12. a drive shaft; 13. a fixing ring; 14. a limiting ring; 15. a limiting disc; 16. a limiting hole; 17. a limiting rod; 18. a limiting inserted rod; 19. adjusting the screw rod; 20. a threaded hole; 21. A support disc; 22. a first support bar; 23. a second support bar; 24. a first limit jack; 25. a second limit jack; 26. a limiting groove; 27. installing a bolt; 28. and (4) an output lead.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a novel variable-speed energy-saving brushless double-fed motor as shown in figures 1-6, which comprises a fixed mounting seat 1, wherein reinforcing grooves 2 are respectively arranged at the left side and the right side of the fixed mounting seat 1, fixing bolts 3 are connected with the bottom threads of the inner walls of the reinforcing grooves 2, a mounting shell 4 is fixedly connected with the middle part of the top of the fixed mounting seat 1, a through groove is arranged at the front side of the mounting shell 4, the rear end of a limiting rod 17 sequentially penetrates through the inside of the through groove and the front side of the inside of a first jack 24 and extends to the inside, the rear side of the mounting shell 4 is fixedly connected with a mounting base 5 through mounting bolts 27, a motor stator 6 is fixedly connected with the middle part of the front side of the mounting base 5, the front end of the motor stator 6 is sleeved at the middle part of the inside of a rotor shell 8, the output end of the motor stator 6 is electrically connected with an output lead 28, and the output end of the motor stator 6 is electrically connected with the input end of an electric telescopic rod 7 through a sparse lead, the interior of the mounting shell 4 is rotatably connected with a rotor shell 8, the middle part of the front side of the rotor shell 8 is fixedly connected with a transmission shaft 12, the front end of the transmission shaft 12 is fixedly sleeved with fan blades, the front end of the transmission shaft 12 penetrates through the interior of a limiting hole 16 and extends to the front of the limiting hole, the interior of the rotor shell 8 is fixedly connected with rotor clapboards 9, a rotor groove 10 is defined by two adjacent rotor clapboards 9, a magnetic rotor 11 is movably sleeved in the rotor groove 10, the current generated by the interaction of the magnetic rotor 11 and the motor stator 6 can be in direct proportion to the elongation of the electric telescopic rod 7, so that the magnetic flux between the magnetic rotor 11 and the motor stator 6 can be flexibly adjusted according to the wind power, therefore, the electricity generation quantity of the device can be flexibly adjusted, the device is prevented from being damaged due to overload in windy weather, and the service life of the device is prolonged.

As shown in fig. 4, the equal fixedly connected with electric telescopic handle 7 in the left and right sides of installation shell 4 surface, electric telescopic handle 7's flexible length is directly proportional with the current strength of electric telescopic handle 7 input, electric telescopic handle 7's the solid fixed ring 13 of front end fixedly connected with, the department rotates in the middle of solid fixed ring 13 inside and is connected with spacing ring 14, the department rotates in the middle of spacing ring 14 inside and is connected with spacing dish 15, spacing hole 16 has been seted up in the center department of spacing dish 15.

As shown in fig. 5, a limit rod 17 is fixedly inserted into the rear side of the limit ring 14, a limit inserted rod 18 is fixedly connected to the middle of the rear side of the limit rod 17, the rear end of the limit inserted rod 18 penetrates through the rear side of the interior of the first insertion hole 24 and extends into the interior of the second insertion hole 25, the outer surface of the support plate 21 is movably sleeved in the interior of the second insertion hole 25, threaded holes 20 are respectively formed in the middle of the interiors of the limit rod 17 and the limit inserted rod 18, an adjusting screw 19 is connected to the inner thread of the threaded hole 20 at the front side, the front end of the adjusting screw 19 penetrates through the front side of the interior of the threaded hole 20 at the front side and the front side of the limit ring 14 and extends to the front side of the limit ring 14, a knob handle is fixedly connected to the front end of the adjusting screw 19, the rear end of the adjusting screw 19 penetrates through the interior of the threaded hole 20 at the rear side and extends to the rear side, the rear end of the adjusting screw 19 is rotatably connected to the support plate 21, a first support rod 22 is hinged to the edge of the front side of the support plate 21, the front end of first bracing piece 22 articulates there is second bracing piece 23, and the edge of the front end of second bracing piece 23 and spacing inserted bar 18 rear side is articulated, can make the elongation of electric telescopic handle 7 directly proportional with the electric current size that the device produced to can be according to the inside magnetic flux of the nimble adjusting device of size of external wind-force, make the device can both be in more efficient electricity production state when different wind-force sizes, improve the production value of device.

As shown in fig. 6, first jack 24 has been seted up to the centre department of magnetic rotor 11 front side, second jack 25 has been seted up to the centre department of first jack 24 inner wall rear side, spacing groove 26 has been seted up to the centre department of second jack 25 inner wall, and the articulated department joint of first bracing piece 22 and second bracing piece 23 is in the inside of spacing groove 26, the installation steps of simplification the device that can be very big, thereby reduce the degree of difficulty of installation operation, improve the device's installation effectiveness, the later maintenance personnel of also being convenient for carry out high-efficient quick maintenance to it, improve the operating efficiency, reduce the influence of maintenance operation to generating efficiency.

The working principle of the invention is as follows: when the device is assembled, the magnetic rotor 11 needs to be inserted into the rotor slot 10, at the moment, the first insertion hole 24 and the second insertion hole 25 are respectively sleeved outside the limiting rod 17 and the limiting insertion rod 18, then the adjusting screw 19 is rotated to move the support plate 21 to the front side inside the second insertion hole 25, and the first support bar 22 and the second support bar 23 are pressed, so that the hinged part of the first support bar 22 and the second support bar 23 expands towards the inside of the limit groove 26, so that the rear end of the limit inserting bar 18 is clamped in the inside of the second inserting hole 25, then, aligning the motor stator 6 at the front side of the mounting base 5 to the inside of the rotor shell 8, fixedly connecting the mounting base 5 and the rear side of the mounting shell 4 through a mounting bolt 27, fixedly mounting the fixed mounting base 1 at a specified position by using a fixing bolt 3, and finally connecting the sparse lead at the input end of the electric telescopic rod 7 and the output lead 28 at the output end of the motor stator 6 to finish mounting; when the device works, the fan blades at the front end of the transmission shaft 12 are blown by external wind power to rotate, the rotating fan blades can drive the transmission shaft 12 to rotate, the transmission shaft 12 can drive the rotor shell 8 and the magnetic rotor 11 to rotate, the magnetic rotor 11 revolves around the motor stator 6, magnetic fields between the magnetic rotor and the magnetic rotor are mutually cut to generate current, the rotating speed of the fan blades is in direct proportion to the magnitude of the external wind power, the magnitude of the generated current is also in direct proportion to the rotating speed of the fan blades, the magnitude of the generated current can control the elongation of the electric telescopic rod 7, the larger the current is, the larger the elongation of the electric telescopic rod 7 is, the electric telescopic rod 7 can drive the fixing ring 13, the limiting ring 14 and the limiting disc 15 to move forwards, the moving limiting ring 14 can drive the limiting rod 17 and the limiting inserted rod 18 to move synchronously, meanwhile, the rotating magnetic rotor 11 can drive the limiting rod 17 and the limiting inserted rod 18 to revolve synchronously, the gag lever post 17 and the spacing inserted bar 18 of revolution can drive the gag lever post 14 and rotate, the pivoted gag lever post 14 also can drive magnetic rotor 11 to remove to the in-process that removes to the place ahead, draw out magnetic rotor 11 from the inside of rotor groove 10, thereby adjust the magnetic flux, after the electric current size that produces is stable, electric telescopic handle 7 will keep the state this moment, change only appears in the wind-force size, electric telescopic handle 7 just can then stretch out and draw back, the realization is adjusted in a flexible way to the magnetic flux, and make the device can keep relatively efficient electricity production efficiency throughout in the wind-force environment of equidimension not.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel variable-speed energy-saving brushless double-fed motor comprises a fixed mounting seat (1), and is characterized in that a mounting shell (4) is fixedly connected to the middle of the top of the fixed mounting seat (1), a rotor shell (8) is rotatably connected to the inside of the mounting shell (4), rotor clapboards (9) are fixedly connected to the inside of the rotor shell (8), a rotor groove (10) can be enclosed between every two adjacent rotor clapboards (9), and a magnetic rotor (11) is movably sleeved in the rotor groove (10);

a first jack (24) is formed in the middle of the front side of the magnetic rotor (11), a second jack (25) is formed in the middle of the rear side of the inner wall of the first jack (24), and a limiting groove (26) is formed in the middle of the inner wall of the second jack (25);

the left side and the right side of the outer surface of the mounting shell (4) are fixedly connected with electric telescopic rods (7), the front ends of the electric telescopic rods (7) are fixedly connected with fixing rings (13), the middle parts inside the fixing rings (13) are rotatably connected with limiting rings (14), the middle parts inside the limiting rings (14) are rotatably connected with limiting discs (15), and the centers of the limiting discs (15) are provided with limiting holes (16);

the rear side of the limiting ring (14) is fixedly inserted with a limiting rod (17), the middle of the rear side of the limiting rod (17) is fixedly connected with a limiting inserted rod (18), the middle of the inner parts of the limiting rod (17) and the limiting inserted rod (18) is provided with a threaded hole (20), the front side is provided with an adjusting screw (19) in threaded connection with the inner part of the threaded hole (20), the rear end of the adjusting screw (19) penetrates through the inner part of the threaded hole (20) of the rear side and extends to the rear side of the threaded hole, the rear end of the adjusting screw (19) is rotatably connected with a supporting disk (21), the edge of the front side of the supporting disk (21) is hinged with a first supporting rod (22), the front end of the first supporting rod (22) is hinged with a second supporting rod (23), and the front end of the second supporting rod (23) is hinged with the edge of the rear side of the limiting inserted rod (18).

2. A novel variable-speed energy-saving brushless doubly-fed motor according to claim 1, wherein reinforcing grooves (2) are formed in the left side and the right side of the fixed mounting seat (1), and fixing bolts (3) are connected to the bottom of the inner wall of each reinforcing groove (2) in a threaded manner.

3. The novel variable-speed energy-saving brushless doubly-fed motor is characterized in that the rear side of the installation shell (4) is fixedly connected with the installation base (5) through an installation bolt (27), a motor stator (6) is fixedly connected to the middle of the front side of the installation base (5), the front end of the motor stator (6) is sleeved at the middle inside the rotor shell (8), an output end of the motor stator (6) is electrically connected with an output lead (28), and the output end of the motor stator (6) is electrically connected with an input end of an electric telescopic rod (7) through an sparse lead.

4. A novel speed-changing energy-saving brushless doubly-fed machine according to claim 1, characterized in that the telescopic length of said electric telescopic rod (7) is proportional to the current intensity at the input end of said electric telescopic rod (7).

5. A novel speed-changing and energy-saving brushless doubly-fed motor according to claim 1, wherein a transmission shaft (12) is fixedly connected to the middle of the front side of the rotor housing (8), and the front end of the transmission shaft (12) penetrates through the inside of the limiting hole (16) and extends to the front of the limiting hole.

6. A novel speed-changing and energy-saving brushless doubly-fed motor according to claim 1, wherein a through groove is formed in the front side of the mounting housing (4), and the rear end of the limiting rod (17) sequentially penetrates through the inside of the through groove and the front side of the inside of the first jack (24) and extends into the through groove.

7. A novel speed-changing and energy-saving brushless doubly-fed motor according to claim 1, wherein the rear end of the limiting inserted rod (18) penetrates through the rear side of the inside of the first jack (24) and extends to the inside of the second jack (25), and the outer surface of the supporting disk (21) is movably sleeved in the inside of the second jack (25).

8. The novel variable-speed energy-saving brushless doubly-fed motor is characterized in that the front end of the adjusting screw (19) penetrates through the front side inside the threaded hole (20) of the front side and the front side of the limiting ring (14) and extends to the front of the limiting ring (14), and a knob handle is fixedly connected to the front end of the adjusting screw (19).