CN213367499U

CN213367499U - Multi-pitch brushless double-fed motor with hard winding rotor

Info

Publication number: CN213367499U
Application number: CN202022450466.5U
Authority: CN
Inventors: 彭龙
Original assignee: Shenzhen Hengyu Motor Intelligent Technology Co ltd
Current assignee: Shenzhen Hengyu Motor Intelligent Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-04
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a multi-section distance hard winding rotor brushless double-fed motor, which comprises a shell, wherein a rotor is arranged on the inner side wall of the shell, an upper limiting groove is uniformly arranged on the inner side wall of the rotor, a lower limiting groove is uniformly arranged on the inner side wall of the rotor, a coil is wound on the inner side wall of the upper limiting groove and the lower limiting groove, a stator is arranged on the inner side wall of the shell, a rotating shaft is arranged on the inner side wall of the rotor, a sealing gasket is bonded on the outer side wall of the rotor, the upper surface of a first fixing seat is connected with a water storage box through screw threads, when the motor is powered and started, the coil in the upper limiting groove can increase the rotating speed in the motor, the rotating speed of the device is improved when the device is started, and when the motor is powered and stopped, the coil storage amount in the lower limiting groove is less, the rotating speed can be reduced rapidly, the device can be stopped more rapidly, and the device is convenient for workers to use.

Description

Multi-pitch brushless double-fed motor with hard winding rotor

Technical Field

The utility model relates to a double-fed motor technical field specifically is a multisection is apart from brushless double-fed motor of hard winding rotor.

Background

At present, double-fed motors used in the market are all brush double-fed motors, excitation modes are all excited on the rotor side, brush double-fed motors are provided with brush slip rings, the system maintenance cost is increased, and the safety and reliability are poor. The brush is a great weakness of the motor, a slip ring and a carbon brush assembly of a motor rotor are difficult to bear the impact of large current and become a vulnerable weak link, and the solution is to improve the quality of the brush slip ring or adopt a brushless structure motor, and the base of the double-fed motor on the market at present is mainly in a structural form with radiating fins, and the mode is suitable for the ventilation mode of IP54, namely, the heat generated by the motor is discharged to the inner wall of the base through an inner fan, and then is discharged to the outside of the body through the radiating fins, and the base is feasible to be used on the double-fed motor with no speed change.

When the rotating speed of an existing brushless double-fed motor is improved, the rotating speed of the motor is improved mostly through speed change, when the rotating speed of the motor is improved, a large amount of heat can be generated inside the motor, and when the motor stops supplying power and rotates, the rotating speed of the motor is still fast and cannot be reduced rapidly.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a multisection is apart from brushless double-fed motor of hard winding rotor to prior art's not enough.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a multi-section distance hard winding rotor brushless double-fed motor comprises a shell, wherein a rotor is installed on the inner side wall of the shell, an upper limiting groove is evenly formed in the inner side wall of the rotor, a lower limiting groove is evenly formed in the inner side wall of the rotor, a coil is wound on the inner side wall of the lower limiting groove and the inner side wall of the upper limiting groove, a stator is installed on the inner side wall of the shell, a rotating shaft is installed on the inner side wall of the rotor, a sealing gasket is bonded on the outer side wall of the rotor, an annular pipe body is sleeved on the outer side wall of the sealing gasket, a first fixing seat is installed on the outer side wall of the shell, the upper surface of the first fixing seat is connected with a water storage box through screw threads, a water pump is connected to the outer side wall of the shell through screw threads, a, the delivery port of water pump runs through the inside wall of casing and communicate in the one end of annular body, the annular body is kept away from the one end of water pump runs through the inside wall of casing and communicate in the inside wall of water storage box, the lateral wall joint of coil has the buckle.

Preferably, the outer side wall of the shell is fixedly connected with a second fixing seat, and first limiting plates are uniformly welded on two sides of the second fixing seat.

Preferably, one side of the second fixing seat is fixedly connected with a second limiting plate, and two first threaded through holes are symmetrically formed in the inner side wall of the second limiting plate.

Preferably, first through-holes have evenly been seted up to the inside wall of casing, the equal symmetrical welding in both sides of casing has two third limiting plates, the second through-hole has been seted up to the inside wall of third limiting plate.

Preferably, the upper surface of the water storage tank is provided with a cover body, and a rubber layer is bonded on the inner side wall of the cover body.

Preferably, the cover body and the two sides of the water storage tank are symmetrically welded with two fourth limiting plates, and the inner side walls of the fourth limiting plates are in threaded connection with bolts.

(III) advantageous effects

Compared with the prior art, the utility model provides a multisection is apart from brushless double-fed motor of hard winding rotor possesses following beneficial effect:

when the motor is powered on and started, the coil in the upper limiting groove can increase the rotating speed in the motor, so that the rotating speed of the device is increased, and meanwhile, when the motor is powered off, the coil storage amount in the lower limiting groove is small, so that when the energy supply is lost, the rotating speed can be reduced rapidly, the operation of the device is stopped more rapidly, and the device is convenient for workers to use;

two, simultaneously in the middle of this device's the use, when the motor started, the inside temperature of casing was higher, and the user can start the water pump, through the inside of first body with the inside rivers suction annular pipe body of water storage box, takes away this device inside heat through the inside rivers of circulation annular pipe body, prolongs the life of this device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a schematic view of the internal structure of the rotor of the present invention.

In the figure: 1. a housing; 2. a rotor; 3. an upper limiting groove; 4. a lower limiting groove; 5. a coil; 6. a stator; 7. a rotating shaft; 8. buckling; 9. a first fixed seat; 10. a water storage tank; 11. a water pump; 12. a first pipe body; 13. an annular tube body; 14. a second fixed seat; 15. a first limit plate; 16. a second limiting plate; 17. a first threaded through hole; 18. a first through hole; 19. a third limiting plate; 20. a second through hole; 21. a cover body; 22. a rubber layer; 23. a fourth limiting plate; 24. a bolt; 25. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a multi-pitch hard winding rotor brushless double-fed motor comprises a shell 1, wherein a rotor 2 is installed on the inner side wall of the shell 1, an upper limiting groove 3 is evenly formed in the inner side wall of the rotor 2, a lower limiting groove 4 is evenly formed in the inner side wall of the rotor 2, a coil 5 is wound on the inner side walls of the lower limiting groove 4 and the upper limiting groove 3, a stator 6 is installed on the inner side wall of the shell 1, a rotating shaft 7 is installed on the inner side wall of the rotor 2, a sealing gasket 25 is bonded on the outer side wall of the rotor 2, an annular pipe body 13 is sleeved on the outer side wall of the sealing gasket 25, a first fixing seat 9 is installed on the outer side wall of the shell 1, a water storage tank 10 is connected to the upper surface of the first fixing seat 9 through screw threads, a water pump 11 is connected to the outer side wall of the shell 1 through screw threads, a water inlet of the water pump 11 is, the one end that the water pump 11 was kept away from to annular body 13 runs through the inside wall of casing 1 and communicates in the inside wall of water storage box 10, and the lateral wall joint of coil 5 has buckle 8.

In this embodiment, specifically: the outer side wall of the shell 1 is fixedly connected with a second fixed seat 14, and first limiting plates 15 are uniformly welded on two sides of the second fixed seat 14; through the setting of second fixing base 14 and first limiting plate 15, can support this device.

In this embodiment, specifically: a second limiting plate 16 is fixedly connected to one side of the second fixing seat 14, and two first threaded through holes 17 are symmetrically formed in the inner side wall of the second limiting plate 16; in the use of this device, the user can be through with first screw through-hole 17 and second limiting plate 16 with this device fix the assigned position.

In this embodiment, specifically: the inner side wall of the shell 1 is uniformly provided with first through holes 18, two third limiting plates 19 are symmetrically welded on two sides of the shell 1, and the inner side wall of each third limiting plate 19 is provided with a second through hole 20; through the setting of first through-hole 18, when rivers take place to leak, rivers can be through the inside rivers output of first through-hole 18 with casing 1 to avoid the inside condition that takes place rivers injection infiltration of this device.

In this embodiment, specifically: the upper surface of the water storage tank 10 is provided with a cover body 21, and the inner side wall of the cover body 21 is bonded with a rubber layer 22; by the arrangement of the cover body 21 and the rubber layer 22, water flow inside the water storage tank 10 can be prevented from flowing out.

In this embodiment, specifically: two fourth limiting plates 23 are symmetrically welded on two sides of the cover body 21 and the water storage tank 10, and bolts 24 are connected to the inner side walls of the fourth limiting plates 23 in a threaded mode; in the use of this device, through the setting of fourth limiting plate 23, the user can insert the inside of fourth limiting plate 23 with bolt 24 threaded connection to accomplish being connected between lid 21 and the water storage box 10.

In summary, the working principle and working process of the multi-pitch hard winding rotor brushless double-fed motor are that, when the motor is used, firstly, in the use of the motor, a user can start the motor, when the motor is started, the number of the coils 5 in the lower limiting groove 4 is larger through the arrangement of the lower limiting groove 4, when the motor is started, the rotating speed of the rotating shaft 7 can be increased, meanwhile, when the user stops energy supply to the motor, because the number of the coils 5 in the upper limiting groove 3 is smaller, when the motor stops energy supply, the rotating speed of the rotating shaft 7 is faster, the stop of the motor is accelerated, the motor is convenient for the operator to use, meanwhile, when the motor is used, the user can start the water pump 11, the water pump 11 can inject the water flow in the water storage tank 10 into the annular pipe body 13, and the water flow in the water storage tank 10 is continuously circulated through the annular pipe body 13, therefore, the device is subjected to heat dissipation treatment, the service life of the device is prolonged, and the temperature inside the device is reduced.

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 multi-pitch hard winding rotor brushless doubly-fed motor comprises a shell (1), and is characterized in that: the rotor (2) is installed to the inside wall of casing (1), last spacing groove (3) have evenly been seted up to the inside wall of rotor (2), spacing groove (4) down has evenly been seted up to the inside wall of rotor (2), spacing groove (4) down with the inside wall of last spacing groove (3) all has wound coil (5), stator (6) are installed to the inside wall of casing (1), pivot (7) are installed to the inside wall of rotor (2), the lateral wall of rotor (2) bonds and has sealed pad (25), the lateral wall cover of sealed pad (25) is equipped with annular body (13), first fixing base (9) are installed to the lateral wall of casing (1), the upper surface of first fixing base (9) has water storage box (10) through screw thread connection, the lateral wall of casing (1) has water pump (11) through screw thread connection, the water inlet intercommunication of water pump (11) has first body (12), keep away from in first body (12) the one end of water pump (11) communicate in the inside wall of water storage box (10), the delivery port of water pump (11) runs through the inside wall of casing (1) and communicate in the one end of annular body (13), keep away from in annular body (13) the one end of water pump (11) runs through the inside wall of casing (1) and communicate in the inside wall of water storage box (10), the lateral wall joint of coil (5) has buckle (8).

2. The multi-pitch hard winding rotor brushless doubly-fed machine of claim 1, wherein: the lateral wall fixedly connected with second fixing base (14) of casing (1), first limiting plate (15) have all evenly welded in the both sides of second fixing base (14).

3. The multi-pitch hard winding rotor brushless doubly-fed machine of claim 2, wherein: one side of the second fixing seat (14) is fixedly connected with a second limiting plate (16), and two first threaded through holes (17) are symmetrically formed in the inner side wall of the second limiting plate (16).

4. The multi-pitch hard winding rotor brushless doubly-fed machine of claim 1, wherein: first through-hole (18) have evenly been seted up to the inside wall of casing (1), the equal symmetrical welding in both sides of casing (1) has two third limiting plates (19), second through-hole (20) have been seted up to the inside wall of third limiting plate (19).

5. The multi-pitch hard winding rotor brushless doubly-fed machine of claim 1, wherein: the upper surface of the water storage tank (10) is provided with a cover body (21), and a rubber layer (22) is bonded on the inner side wall of the cover body (21).

6. The multi-pitch hard winding rotor brushless doubly-fed machine of claim 5, wherein: the lid (21) with the equal symmetrical welding in both sides of water storage box (10) has two fourth limiting plate (23), the inside wall threaded connection of fourth limiting plate (23) has bolt (24).