CN212875592U

CN212875592U - A stabilize protection device for brushless motor

Info

Publication number: CN212875592U
Application number: CN202021974958.8U
Authority: CN
Inventors: 黄勇杰
Original assignee: Kunshan Ring Positron Co ltd
Current assignee: Kunshan Ring Positron Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-02
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a stable protection device for a brushless motor, which comprises a motor body and a protective cover, wherein one side of the motor body is provided with a mounting seat, the outer side of the motor body is covered with the protective cover, the inner side of the protective cover is provided with a sound deadening layer, the inner side of the sound deadening layer is provided with an exhaust tube, one end of the exhaust tube runs through the protective cover and is provided with an air blower, the middle part of one side of the protective cover is provided with a vent, the interior of the vent is provided with a sound deadening device, the sound deadening treatment can be carried out on the motor body, the use safety is improved, in addition, the exhaust tube is arranged at the inner side of the protective cover, one end of the exhaust tube is provided with an air blower, the, the service life of the motor body is prolonged.

Description

A stabilize protection device for brushless motor

Technical Field

The utility model relates to a motor protective equipment technical field specifically is a stable protection device for brushless motor.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. Because the brushless DC motor is operated in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under the condition of variable frequency and speed regulation and does not generate oscillation and step-out when the load suddenly changes. The permanent magnet of the brushless DC motor with medium and small capacity is mostly made of rare earth neodymium iron boron (Nd-Fe-B) material with high magnetic energy product. Therefore, the volume of the rare earth permanent magnet brushless motor is reduced by one machine seat number compared with that of a same-capacity three-phase asynchronous motor.

The current stable protection device for brushless motor because need produce certain noise in the motor use, current protector noise cancelling effect is relatively poor, is difficult to discharge the heat that the motor outside produced fast moreover to influence the life of motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stable protection device for brushless motor to solve current stable protection device for brushless motor, because need produce certain noise in the motor use, it is relatively poor to lead to current protector noise cancelling effect, is difficult to discharge the heat that the motor outside produced fast moreover, thereby influences the life problem of motor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stabilize protection device for brushless motor, includes motor body and protection casing, the mount pad is installed to motor body one side, the motor body outside cover is equipped with the protection casing, the amortization layer is installed to the protection casing inboard, the inside exhaust tube of installing of amortization layer, exhaust tube one end is run through the protection casing and is installed the air-blower, protection casing one side mid-mounting has the scavenge port, scavenge port internally mounted has the muffler.

Furthermore, a connecting arm is installed at one end of the protective cover and fixedly connected with the mounting seat through a bolt.

Furthermore, the noise reduction layer is made of environment-friendly sound absorption cotton, and the thickness of the environment-friendly sound absorption cotton is 2-5 mm.

Furthermore, the exhaust pipe is provided with a plurality of along the inside annular array that is of protection casing, extraction opening has been seted up to exhaust pipe one side.

Furthermore, a connecting pipe is installed at one end of the air exhaust pipe, one end of the connecting pipe is connected with the air suction end of the air blower, and the connecting pipe is arranged to be an annular pipe.

Furthermore, a dust filter net is arranged inside the air exchange port, and an end cover is arranged outside the air exchange port.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a amortization layer is installed to the protection casing inboard, and scavenge port internally mounted has the muffler, can carry out amortization to motor body, is favorable to improving the security of using.

2. The utility model discloses and through the exhaust tube that the protection casing inboard was installed, and exhaust tube one end installs the air-blower, be convenient for discharge the steam that the inside motor body of protection casing produced fast for the radiating effect is better, is favorable to improving motor body's life.

3. The utility model discloses a protection casing one side mid-mounting has the scavenge port, is convenient for take a breath the heat dissipation and handles, and scavenge port internally mounted has the dust screen for it prevents that the dust from getting into inside the protection casing to filter the dust, and the end cover is installed to scavenge port outside screw thread moreover for the scavenge port is not the time spent, can carry out the closing cap and handle.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of the protective cover of the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention.

In the figure: 1. a motor body; 2. a mounting seat; 3. a protective cover; 4. a sound-deadening layer; 5. an air exhaust pipe; 6. a blower; 7. a ventilation port; 8. a dust filter screen; 9. a muffler; 10. an end cap; 11. an air extraction opening; 12. a connecting arm; 13. a connecting pipe; 14. and (4) bolts.

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.

Please refer to fig. 1, fig. 2, fig. 3, in an embodiment of the present invention, a stable protection device for a brushless motor, including motor body 1 and protection casing 3, mount pad 2 is installed to motor body 1 one side, motor body 1 outside is covered with protection casing 3, muffling layer 4 is installed to protection casing 3 inboard, be convenient for carry out noise reduction treatment, exhaust tube 5 is installed to muffling layer 4 inboard, exhaust tube 5 one end runs through protection casing 3 and installs air-blower 6, be convenient for discharge the steam that motor body 1 produced inside protection casing 3 fast, make the radiating effect better, protection casing 3 one side mid-mounting has scavenge port 7, be convenient for take a breath the heat dissipation treatment, scavenge port 7 internally mounted has muffler 9, can carry out noise reduction treatment to the motor body 1 outside, be favorable to improving the security of use.

Preferably, a connecting arm 12 is installed at one end of the shield 3, and the connecting arm 12 is fixedly connected with the mounting base 2 through a bolt 14, so that the shield 3 can be conveniently installed outside the shield 3.

Preferably, the noise reduction layer 4 is made of environment-friendly sound absorption cotton, the thickness of the environment-friendly sound absorption cotton is 2-5mm, the sound absorption effect is good, and noise in use is reduced.

Preferably, exhaust tube 5 is provided with a plurality ofly along the inside annular array that is of protection casing 3, and extraction opening 11 has been seted up to exhaust tube 5 one side, and the heat dissipation of evenly bleeding is handled in the protection casing 3 inside of being convenient for.

Preferably, connecting pipe 13 is installed to exhaust tube 5 one end, and connecting pipe 13 one end is connected with the end of induced drafting of air-blower 6, and connecting pipe 13 sets to the annular tube, is convenient for connect a plurality of exhaust tubes 5 and carries out the nursing of heat dissipation department of bleeding.

Preferably, a dust filter 8 is installed inside the ventilation opening 7 for filtering dust and preventing the dust from entering the interior of the protective cover 3, and an end cover 10 is installed outside the ventilation opening 7, so that the ventilation opening 7 can be covered when not in use.

The utility model discloses a theory of operation and use flow: through the amortization layer 4 of 3 inboard installations of protection casing, 3 one side mid-mounting of protection casing has

scavenge port

7, 7 internally mounted of scavenge port have muffler 9, can carry out noise cancelling treatment to the 1 outside of motor body, be favorable to improving the security of using, and exhaust tube 5 through the 3 inboard installations of protection casing, and air-blower 6 is installed to 5 one ends of exhaust tube, be convenient for discharge the steam that 3 inside motor bodies 1 of protection casing produced fast, make the radiating effect better, be favorable to improving motor body 1's life.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stabilize protection device for brushless motor, includes motor body (1) and protection casing (3), its characterized in that: the motor is characterized in that a mounting seat (2) is installed on one side of a motor body (1), a protective cover (3) is covered on the outer side of the motor body (1), a silencing layer (4) is installed on the inner side of the protective cover (3), an exhaust pipe (5) is installed on the inner side of the silencing layer (4), one end of the exhaust pipe (5) penetrates through the protective cover (3) and is provided with an air blower (6), a ventilation opening (7) is installed in the middle of one side of the protective cover (3), and a silencer (9) is installed inside the ventilation opening (7).

2. A stabilizing protection device for a brushless motor according to claim 1, characterized in that: connecting arm (12) are installed to protection casing (3) one end, connecting arm (12) pass through bolt (14) and mount pad (2) fixed connection.

3. A stabilizing protection device for a brushless motor according to claim 1, characterized in that: the sound-absorbing layer (4) is made of environment-friendly sound-absorbing cotton, and the thickness of the environment-friendly sound-absorbing cotton is 2-5 mm.

4. A stabilizing protection device for a brushless motor according to claim 1, characterized in that: the air exhaust pipe (5) is provided with a plurality of air exhaust holes (11) along the inner part of the protective cover (3) in an annular array mode.

5. A stabilizing protection device for a brushless motor according to claim 1, characterized in that: connecting pipe (13) is installed to exhaust tube (5) one end, and connecting pipe (13) one end is connected with the end of induced drafting of air-blower (6), connecting pipe (13) set to the annular tube.

6. A stabilizing protection device for a brushless motor according to claim 1, characterized in that: and a dust filtering net (8) is arranged in the ventilation opening (7), and an end cover (10) is arranged on the outer side of the ventilation opening (7).