CN211959810U

CN211959810U - Speed-regulating energy-saving device for AC motor

Info

Publication number: CN211959810U
Application number: CN202020967146.4U
Authority: CN
Inventors: 秦金荣; 孙陆文; 吴秀萍
Original assignee: Dayan Technology Taizhou Co ltd
Current assignee: Dayan Technology Taizhou Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-11-17
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses an AC motor speed-regulating energy-saving device, which comprises a box body, the bottom of the box body is fixedly connected with an AC motor main body, one side of the AC motor main body close to the box body is fixedly connected with an internal power supply, the bottom of the inner side wall of the box body is fixedly connected with a speed-regulating energy-saving device, one end of the box body far away from the internal power supply is provided with an air hole, the utility model discloses a set dustproof net and a dustproof cover, when in operation, the speed-regulating energy-saving device needs to be radiated, a radiating fan is opened to lead the negative pressure in the box body, the air flow outside the box body enters the box body from the air hole, the dustproof net and the dustproof cover, and then flows out through the air hole, the dustproof net and the dustproof cover, the arrangement of the dustproof net and the dustproof cover reduces the external dust entering the, therefore, the speed-regulating energy-saving device is more stable in working.

Description

Speed-regulating energy-saving device for AC motor

Technical Field

The utility model relates to a circuit protection field especially relates to an alternating current motor speed governing economizer.

Background

The common frequency-variable speed regulation is suitable for squirrel-cage asynchronous motors, and the electromagnetic power of a stator is changed by controlling the voltage of the stator. In order to avoid damaging the constant of the main flux during voltage regulation and prevent larger loss, frequency conversion must be assisted at the same time, so that the ratio of the potential to the frequency is a constant value.

The traditional alternating current motor speed regulation energy-saving device is mostly a shell, a circuit board is arranged inside the shell, the circuit board controls the motor, the motor can generate heat during working, a heat dissipation device is arranged inside the motor, no heat dissipation device is arranged inside the traditional speed regulation energy-saving device, a dustproof device is not arranged inside the speed regulation energy-saving device, dust can be accumulated on the circuit board during long-term working, and certain potential safety hazards are achieved, so that the alternating current motor speed regulation energy-saving device is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an alternating current motor speed regulation energy-saving device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an alternating current motor speed regulation energy-saving device comprises a box body, wherein an alternating current motor main body is fixedly connected to the bottom of the box body, an internal power supply is fixedly connected to one side, close to the box body, of the alternating current motor main body, a speed regulation energy-saving device is fixedly connected to the bottom of the inner side wall of the box body, an air hole is formed in one end, far away from the internal power supply, of the box body, a dust cover is arranged on the outer side of the air hole, a heat dissipation fan is fixedly connected to one side, close to the speed regulation energy-saving device, of the inner side wall of the box body, a limiting plate is smoothly attached to the inner side wall of the top end of the box body, a dust screen is fixedly connected to the top end of the limiting plate, far away from the dust screen, a plurality of fixing, the fixed plate is close to the central part fixedly connected with gag lever post of spring, spacing hole and through-hole are run through to gag lever post one side.

As a further description of the above technical solution:

the spring, the limiting rod, the through hole and the limiting hole are consistent in quantity, the inner side wall of the spring is smoothly attached to the outer side wall of the limiting rod, the outer side wall of the limiting rod is smoothly attached to the inner side wall of the through hole, and the outer side wall of the limiting rod is smoothly attached to the inner side wall of the limiting hole.

As a further description of the above technical solution:

the box is made of alloy materials, and the section of the box is rectangular.

As a further description of the above technical solution:

the heat dissipation fan is electrically connected with an internal power supply, and a rechargeable battery is arranged in the internal power supply.

As a further description of the above technical solution:

the alternating current motor main body is electrically connected with the speed-regulating energy-saving device, and the speed-regulating energy-saving device is electrically connected with an external power supply.

As a further description of the above technical solution:

the quantity of gas pocket is a plurality of, and the gas pocket section is circular.

As a further description of the above technical solution:

the limiting plate is made of rubber materials, and the limiting rod is made of alloy materials.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up dust screen and dust cover, at the during operation, when needing to dispel the heat to speed governing economizer, open the heat dissipation fan, make the inside negative pressure of box, the outside air current of box is from gas pocket and dust screen, inside the dust cover gets into the box, again through gas pocket and dust screen, the dust cover flows can, the dust screen reduces outside dust with setting up of dust cover and gets into in the box, thereby better protection speed governing economizer, the device protection speed governing economizer's effect is better, the inside dust volume of speed governing economizer that significantly reduces, thereby make speed governing economizer during operation more stable.

2. The utility model discloses a set up the fixed plate, spring and gag lever post, at the during operation pulling fixed plate, make the fixed plate drive the gag lever post and remove to one side of keeping away from the box, and make the spring extend, at this moment insert the box with limiting plate and dead lever in, and make the through-hole, spacing hole and gag lever post are located same vertical line, at this moment loosen the fixed plate, make the spring reset, drive fixed plate and gag lever post simultaneously and reset, at this moment the gag lever post run through spacing hole in proper order with the through-hole can, the fixed plate, the setting up of spring and gag lever post makes that better fixes dead lever and limiting plate in the course of the work, thereby better fixed dust cover, make the installation of dust cover more convenient, thereby make and wash dust cover more laborsaving, the device easy operation, excellent in use effect.

Drawings

Fig. 1 is a side view of an ac motor speed-regulating energy-saving device provided by the present invention;

fig. 2 is a front cross-sectional view of a box body in the ac motor speed-regulating energy-saving device provided by the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a box body; 2. an AC motor main body; 3. an internal power supply; 4. a dust screen; 5. a heat dissipation fan; 6. a dust cover; 7. air holes; 8. a speed-regulating energy-saving device; 9. a limiting hole; 10. a fixing plate; 11. a spring; 12. a through hole; 13. a limiting rod; 14. fixing the rod; 15. and a limiting plate.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: an alternating current motor speed regulation energy-saving device comprises a box body 1, an alternating current motor main body 2 is fixedly connected to the bottom of the box body 1, an internal power supply 3 is fixedly connected to one side of the alternating current motor main body 2 close to the box body 1, a speed regulation energy-saving device 8 is fixedly connected to the bottom of the inner side wall of the box body 1, an air hole 7 is formed in one end of the box body 1 away from the internal power supply 3, a dust cover 6 is arranged on the outer side of the air hole 7, a heat dissipation fan 5 is fixedly connected to one side of the inner side wall of the box body 1 close to the speed regulation energy-saving device 8, a limiting plate 15 is smoothly attached to the inner side wall of the top end of the box body 1, a dust screen 4 is fixedly connected to the top end of the limiting plate 15 away from the dust screen 4, through holes 12 are formed in the fixing rods 14, a, the fixing plate 10 is fixedly connected with a limiting rod 13 near the center of the spring 11, and one side of the limiting rod 13 penetrates through the limiting hole 9 and the through hole 12.

Spring 11, gag lever post 13, through-hole 12 are unanimous with spacing hole 9's quantity, and the smooth laminating of 11 inside walls of spring and 13 outside walls of gag lever post, and the smooth laminating of 13 outside walls of gag lever post and 12 inside walls of through-hole, and the smooth laminating of 13 outside walls of gag lever post and 9 inside walls of spacing hole is convenient for better fixed dead lever 14 to better fixed limiting plate 15 and dust screen 4. The box body 1 is made of alloy materials, and the section of the box body 1 is rectangular, so that the speed regulation energy-saving device 8 is protected better, and the speed regulation energy-saving device 8 is prevented from being damaged by external force. Heat dissipation fan 5 and internal power supply 3 electric connection are equipped with rechargeable battery in the internal power supply 3, are convenient for better control heat dissipation fan 5. The alternating current motor main body 2 is electrically connected with the speed-regulating energy-saving device 8, and the speed-regulating energy-saving device 8 is electrically connected with an external power supply, so that the speed-regulating energy-saving device 8 can better control the alternating current motor main body 2. The number of the air holes 7 is multiple, and the section of the air hole 7 is circular. The limiting plate 15 is made of rubber, and the limiting rod 13 is made of alloy.

The working principle is as follows: the fixing plate 10 is pulled, so that the fixing plate 10 drives the limiting rod 13 to move towards one side far away from the box body 1, and the spring 11 is extended, at which time the limit plate 15 and the fixing rod 14 are inserted into the case 1, and the through hole 12, the limiting hole 9 and the limiting rod 13 are positioned on the same vertical line, at this time, the fixing plate 10 is loosened, the spring 11 is reset, simultaneously drives the fixing plate 10 and the limiting rod 13 to reset, at the moment, the limiting rod 13 sequentially penetrates through the limiting hole 9 and the through hole 12, when needs dispel the heat to speed governing economizer 8, open heat dissipation fan 5 for the inside negative pressure of box 1, the outside air current of box 1 gets into inside box 1 from gas pocket 7 and dust screen 4, dust cover 6, again through gas pocket 7 with dust screen 4, dust cover 6 outflow can, dust screen 4 reduces outside dust with setting up of dust cover 6 and gets into in the box 1, thereby better protection speed governing economizer 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an alternating current motor speed governing economizer, includes box (1), its characterized in that: the box body (1) is fixedly connected with an alternating current motor main body (2) at the bottom, one side of the alternating current motor main body (2) close to the box body (1) is fixedly connected with an internal power supply (3), the bottom of the inner side wall of the box body (1) is fixedly connected with a speed-regulating energy-saving device (8), one end of the box body (1) far away from the internal power supply (3) is provided with an air hole (7), the outer side of the air hole (7) is provided with a dust cover (6), one side of the inner side wall of the box body (1) close to the speed-regulating energy-saving device (8) is fixedly connected with a heat radiation fan (5), the inner side wall of the top end of the box body (1) is smoothly laminated with a limiting plate (15), the top end of the limiting plate (15) is fixedly connected with a dust screen (4), a plurality of spacing holes (9) have all been seted up to box (1) top both sides, and box (1) is close to one side fixedly connected with spring (11) of spacing hole (9), one side fixedly connected with fixed plate (10) of box (1) are kept away from in spring (11), fixed plate (10) are close to central part fixedly connected with gag lever post (13) of spring (11), gag lever post (13) one side runs through spacing hole (9) and through-hole (12).

2. An AC motor speed-regulating energy-saving device according to claim 1, characterized in that: spring (11), gag lever post (13), through-hole (12) are unanimous with the quantity in spacing hole (9), and spring (11) inside wall and gag lever post (13) lateral wall smooth laminating, gag lever post (13) lateral wall and the smooth laminating of through-hole (12) inside wall, gag lever post (13) lateral wall and the smooth laminating of spacing hole (9) inside wall.

3. An AC motor speed-regulating energy-saving device according to claim 1, characterized in that: the box body (1) is made of alloy materials, and the section of the box body (1) is rectangular.

4. An AC motor speed-regulating energy-saving device according to claim 1, characterized in that: the heat dissipation fan (5) is electrically connected with the internal power supply (3), and a rechargeable battery is arranged in the internal power supply (3).

5. An AC motor speed-regulating energy-saving device according to claim 1, characterized in that: the alternating current motor main body (2) is electrically connected with the speed-regulating energy-saving device (8), and the speed-regulating energy-saving device (8) is electrically connected with an external power supply.

6. An AC motor speed-regulating energy-saving device according to claim 1, characterized in that: the number of the air holes (7) is multiple, and the cross section of each air hole (7) is circular.

7. An AC motor speed-regulating energy-saving device according to claim 1, characterized in that: the limiting plate (15) is made of rubber materials, and the limiting rod (13) is made of alloy materials.