CN212875545U

CN212875545U - Series excited machine

Info

Publication number: CN212875545U
Application number: CN202021812122.8U
Authority: CN
Inventors: 缪扬; 丁长春; 王�华; 王立建; 张文光; 王文传
Original assignee: Yancheng Jiejing Machinery Manufacturing Co ltd
Current assignee: Yancheng Jiejing Machinery Manufacturing Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-02
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a series excited machine, including protection frame, silicone grease film, natural heat dissipation subassembly, motor element, bearing bar, heat dissipation frame, radiating groove, honeycomb panel and air-cooled subassembly, the laminating of the top terminal surface inner wall of protection frame is installed the silicone grease film, the inboard of silicone grease film is provided with motor element, natural heat dissipation subassembly is installed to outside one side of protection frame, the top terminal surface both sides of protection frame are all fixed with the bearing bar, and the top terminal surface fixed mounting of bearing bar has the heat dissipation frame, the radiating groove has been seted up to the terminal surface center of heat dissipation frame, and the inside of radiating groove installs the honeycomb panel; the air cooling assembly comprises a housing, heat dissipation holes, a positioning support rod, a motor base, a silent motor, a motor rotating shaft and a fan, and the series excited motor is simple in structure and convenient to mount; when the motor is used, the heat dissipation device has a good heat dissipation effect, can effectively reduce the temperature of the motor, and is beneficial to prolonging the service life of the motor.

Description

Series excited machine

Technical Field

The utility model relates to an electrical equipment field specifically is a series excited machine.

Background

The single-phase series motor is commonly called as a series motor and is named because an excitation winding and an excitation winding are connected in series to work. The single-phase series motor belongs to an AC and DC dual-purpose motor, which can work by using an AC power supply and can also work by using a DC power supply; the single-phase series motor has high rotating speed, small volume, light weight and convenient speed regulation, so the single-phase series motor is used as a power source in most electric tools, but the single-phase series motor used by the electric tools is frequently started, the rotating speed is high, the vibration is large, the load is uneven and is easy to block, so that the armature temperature rise is rapidly increased, the heat dissipation effect of the series motor is poor, the service life of the series motor can be influenced during long-time use, in addition, the use safety of the series motor can also be influenced, and therefore, the design of the series motor is necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a series excited machine which has simple structure and convenient installation; when the motor is used, the heat dissipation device has a good heat dissipation effect, can effectively reduce the temperature of the motor, and is beneficial to prolonging the service life of the motor.

The purpose of the utility model can be realized by the following technical scheme:

a series excited motor comprises a protective rack, a silicone grease film, a natural heat dissipation assembly, a motor assembly, a bearing rod, a heat dissipation frame, a heat dissipation groove, a honeycomb plate and an air cooling assembly, wherein the silicone grease film is mounted on the inner wall of the top end face of the protective rack in a laminating manner, the motor assembly is arranged on the inner side of the silicone grease film, the natural heat dissipation assembly is mounted on one side of the outside of the protective rack, the bearing rod is fixedly mounted on two sides of the top end face of the protective rack, the heat dissipation frame is fixedly mounted on the top end face of the bearing rod, the heat dissipation groove is formed in the center of the end face of the heat dissipation frame, the honeycomb plate is mounted inside the heat dissipation groove, and the air;

the forced air cooling subassembly includes housing, louvre, location vaulting pole, motor base, silent motor, motor shaft and fan, housing fixed mounting is in the top end face central point department of honeycomb panel, the inboard top fixed mounting of housing has the location vaulting pole, and the one end fixed mounting of location vaulting pole has the motor base, the inside fixed mounting of motor base has the silent motor, the bottom one end of silent motor is provided with the motor shaft, the bottom one end of motor shaft has the fan through screw fixed mounting.

As a further aspect of the present invention: the motor element includes series motor body, mounting bracket, transmission shaft and connection key, series motor body fixed mounting is at the top of silicone grease film, and the outside of series motor body is connected with the inner wall laminating of silicone grease film, the mounting bracket is installed to one side of series motor body, one side of series motor body is provided with the transmission shaft, and the one end of transmission shaft passes the mounting bracket connection and installs the connection key.

As a further aspect of the present invention: the natural heat dissipation assembly comprises a heat conduction plate, a spiral spring, a mounting stud and heat dissipation fins, the heat conduction plate is arranged on the outer side of the protection frame, the mounting stud is installed on two sides of the end face of the heat conduction plate in an all-inserting mode, the spiral spring is installed on the inner side of the mounting stud in a sleeved mode, and the heat dissipation fins are fixedly installed in the center of the end face of the heat conduction plate.

As a further aspect of the present invention: positioning screw holes are formed in two sides of the end face of the protection rack, and one end of the mounting stud penetrates through the heat conduction plate and is fixedly connected with the positioning screw holes.

As a further aspect of the present invention: the through hole is opened at the terminal surface center of protection frame, and the one end of heat-conducting plate passes the protection frame and is connected with the laminating of silicone grease film.

As a further aspect of the present invention: the heat dissipation holes are formed in the periphery of the end face of the housing, and the bottom of the housing is of a through hole structure.

The utility model has the advantages that: the series excited motor has a simple structure and is convenient to install; when using, through the inboard with the silicone grease film of motor element installation at protection frame top to the heat that can be convenient for series excited machine body both sides gives off through natural cooling assembly, gives off the effect evenly, can effectively reduce the fuselage temperature, and simultaneously, can accelerate the speed of circulation of air through the forced air cooling subassembly at series excited machine body's top, makes the heat can give off fast, has good radiating effect, is favorable to the life of extension motor and improves the safety in utilization.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

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

fig. 2 is a schematic structural view of the natural cooling assembly of the present invention;

fig. 3 is a schematic structural view of the motor assembly of the present invention;

fig. 4 is a cross-sectional view of the air cooling assembly of the present invention;

in the figure: 1. a protective frame; 2. a silicone grease film; 3. a natural heat dissipation assembly; 4. a motor assembly; 5. a load-bearing bar; 6. a heat dissipation frame; 7. a heat sink; 8. a honeycomb panel; 9. an air-cooled assembly; 31. a heat conducting plate; 32. a coil spring; 33. mounting a stud; 34. a heat dissipating fin; 41. a series motor body; 42. a mounting frame; 43. a drive shaft; 44. a connecting bond; 91. a housing; 92. heat dissipation holes; 93. positioning the stay bar; 94. a motor base; 95. a mute motor; 96. a motor shaft; 97. a fan.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, a series motor includes a protection frame 1, a silicone grease film 2, a natural heat dissipation assembly 3, a motor assembly 4, a bearing rod 5, a heat dissipation frame 6, a heat dissipation groove 7, a honeycomb panel 8 and an air cooling assembly 9, the silicone grease film 2 is mounted on the inner wall of the top end face of the protection frame 1 in an attaching manner, the motor assembly 4 is disposed on the inner side of the silicone grease film 2, the motor assembly 4 includes a series motor body 41, a mounting frame 42, a transmission shaft 43 and a connection key 44, the series motor body 41 is fixedly mounted on the top of the silicone grease film 2, the outer side of the series motor body 41 is connected with the inner wall of the silicone grease film 2 in an attaching manner, the mounting frame 42 is mounted on one side of the series motor body 41, the transmission shaft 43 is disposed on one side of the series motor body 41, and the connection key 44 is mounted on one end of; a natural heat dissipation component 3 is arranged on one side of the outer portion of the protection frame 1, the natural heat dissipation component 3 comprises a heat conduction plate 31, a spiral spring 32, a mounting stud 33 and a heat dissipation fin 34, the heat conduction plate 31 is arranged on the outer side of the protection frame 1, a through hole is formed in the center of the end face of the protection frame 1, and one end of the heat conduction plate 31 penetrates through the protection frame 1 to be connected with the silicone rubber sheet 2 in a fit mode, so that heat dissipation is facilitated; mounting studs 33 are inserted and mounted on two sides of the end surface of the heat conducting plate 31, the inner sides of the mounting studs 33 are sleeved with spiral springs 32, positioning screw holes are formed in two sides of the end surface of the protective frame 1, one ends of the mounting studs 33 penetrate through the heat conducting plate 31 and are fixedly connected with the positioning screw holes, so that the position of the heat conducting plate 31 is fixed conveniently, and a plurality of radiating fins 34 are fixedly mounted in the center of the end surface of the heat conducting plate 31, so that heat dissipation is facilitated; both sides of the top end face of the protective rack 1 are fixedly provided with bearing rods 5, the top end face of each bearing rod 5 is fixedly provided with a heat dissipation frame 6, the center of the end face of each heat dissipation frame 6 is provided with a heat dissipation groove 7, a honeycomb plate 8 is arranged inside each heat dissipation groove 7, and the top end face of each honeycomb plate 8 is provided with an air cooling assembly 9; the air cooling assembly 9 comprises a cover 91, heat dissipation holes 92, a positioning support rod 93, a motor base 94, a mute motor 95, a motor rotating shaft 96 and a fan 97, wherein the cover 91 is fixedly arranged at the central position of the top end face of the honeycomb plate 8, the heat dissipation holes 92 are formed in the periphery of the end face of the cover 91, and the bottom of the cover 91 is of a through hole structure so as to accelerate the air circulation rate; the inside top fixed mounting of housing 91 has location vaulting pole 93, and the one end fixed mounting of location vaulting pole 93 has motor base 94, and the inside fixed mounting of motor base 94 has silence motor 95, and the bottom one end of silence motor 95 is provided with motor shaft 96, and there is fan 97 bottom one end of motor shaft 96 through screw fixed mounting.

The utility model discloses a theory of operation: when the protective machine frame is used, the motor component 4 is positioned at the top of the protective machine frame 1, the outer wall of the machine body of the series motor body 41 is attached and connected with the silicone grease film 2, the natural heat dissipation component 3 is installed and fixed on the end surface of the protective machine frame 1, the spiral spring 32 is sleeved and installed on the outer side of the installation stud 33, the installation stud 33 penetrates through the spiral spring 32, the heat conduction plate 31 is in threaded fastening connection with the positioning screw hole on the end surface of the protective machine frame 1, in the connection process, the spiral spring 32 is compressed until the inner side of the heat conduction plate 31 penetrates through the through hole of the protective machine frame 1 to be attached to the outer wall of the silicone grease film 2, the installation frame 42 is connected with external equipment through the transmission shaft 43 and the connecting key 44, so that transmission is facilitated through the transmission shaft 43 and the connecting key 44, when the series motor body 41 works for a long time, rethread heat-conducting plate 31 transmits radiating fin 34 and gives off, at the top of protection frame 1, support heat dissipation frame 6 through bearing bar 5, carry out the forced air cooling heat dissipation through air-cooled subassembly 9 of 8 terminal surfaces of honeycomb panel, the silence motor 95 during operation of installation between location vaulting pole 93 and the motor base 94, can drive fan 97 through motor shaft 96 and rotate, can make housing 91 and louvre 92 and the external circulation of air through the inside honeycomb panel 8 of radiating groove 7, and then make the circulation of air speed at fuselage top accelerate, thereby can improve the forced air cooling radiating effect.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A series excited machine is characterized by comprising a protective rack (1), a silicone grease film (2), a natural heat dissipation assembly (3), a motor assembly (4), a bearing rod (5), a heat dissipation frame (6), a heat dissipation groove (7), a honeycomb plate (8) and an air cooling assembly (9), wherein the silicone grease film (2) is mounted on the inner wall of the top end face of the protective rack (1) in a laminating manner, the motor assembly (4) is arranged on the inner side of the silicone grease film (2), the natural heat dissipation assembly (3) is mounted on one side of the outer portion of the protective rack (1), the bearing rod (5) is fixedly mounted on both sides of the top end face of the protective rack (1), the heat dissipation frame (6) is fixedly mounted on the top end face of the bearing rod (5), the heat dissipation groove (7) is formed in the center of the end face of the heat dissipation frame (6), and the honeycomb plate (8) is, an air cooling assembly (9) is arranged on the top end face of the honeycomb plate (8);

air-cooled subassembly (9) are including housing (91), louvre (92), location vaulting pole (93), motor base (94), silence motor (95), motor shaft (96) and fan (97), housing (91) fixed mounting is in the top end face central point department of honeycomb panel (8), the inboard top fixed mounting of housing (91) has location vaulting pole (93), and the one end fixed mounting of location vaulting pole (93) has motor base (94), the inside fixed mounting of motor base (94) has silence motor (95), the bottom one end of silence motor (95) is provided with motor shaft (96), the bottom one end of motor shaft (96) is through screw fixed mounting fan (97).

2. The series motor according to claim 1, wherein the motor assembly (4) comprises a series motor body (41), a mounting frame (42), a transmission shaft (43) and a connecting key (44), the series motor body (41) is fixedly mounted at the top of the silicone grease film (2), the outer side of the series motor body (41) is connected with the inner wall of the silicone grease film (2) in a fitting manner, the mounting frame (42) is mounted on one side of the series motor body (41), the transmission shaft (43) is arranged on one side of the series motor body (41), and the connecting key (44) is mounted on one end of the transmission shaft (43) through the mounting frame (42) in a connecting manner.

3. The series motor according to claim 1, wherein the natural heat dissipation assembly (3) comprises a heat conduction plate (31), a coil spring (32), a mounting stud (33) and a heat dissipation fin (34), the heat conduction plate (31) is arranged on the outer side of the protective frame (1), the mounting stud (33) is inserted and installed on two sides of the end surface of the heat conduction plate (31), the coil spring (32) is installed on the inner side of the mounting stud (33) in a sleeved mode, and the heat dissipation fins (34) are fixedly installed in the center of the end surface of the heat conduction plate (31).

4. The series motor according to claim 3, wherein both sides of the end surface of the protection frame (1) are provided with positioning screw holes, and one end of the mounting stud (33) passes through the heat conducting plate (31) and is fixedly connected with the positioning screw holes.

5. The series motor according to claim 3, wherein a through hole is formed in the center of the end face of the protective frame (1), and one end of the heat conducting plate (31) penetrates through the protective frame (1) and is attached to the silicone rubber sheet (2).

6. The series motor according to claim 1, wherein heat dissipation holes (92) are formed around the end surface of the housing (91), and the bottom of the housing (91) is a through hole structure.