CN214380516U

CN214380516U - Air duct and motor using same

Info

Publication number: CN214380516U
Application number: CN202120718598.3U
Authority: CN
Inventors: 康凤明; 康峰; 任德钦
Original assignee: SHANDONG HONGKANG MACHINERY MANUFACTURING CO LTD
Current assignee: SHANDONG HONGKANG MACHINERY MANUFACTURING CO LTD
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-10-08
Anticipated expiration: 2031-04-09

Abstract

An air duct and a motor using the same, wherein the air duct comprises: an air inlet hole arranged on the shell; processing a vent hole on the inner lining plate; a fan mounted outside the housing; the air current is discharged from the air inlet through the air vent and then through the fan, thereby taking away heat energy. The air duct is specially designed for enhancing the internal heat dissipation requirement of the motor, and the air flow mobility is increased by virtue of the vent holes formed in the inner lining plate; the motor is provided with the brake on the rotor shaft, and has compact structure and small volume; the motor has the advantages of small occupied area and good heat dissipation effect.

Description

Air duct and motor using same

Technical Field

The utility model belongs to the technical field of mechanical transmission technique and specifically relates to a wind channel is related to, still relates to the motor in using this wind channel.

Background

As a common device for converting electric energy into mechanical energy, the main structure of the motor includes a stator and a rotor for generating a magnetic field, and a rotating magnetic field is generated by an electrified coil and acts on the rotor to form a magnetic electric force rotating torque.

The utility model discloses a ZL201621081116.3 utility model discloses a motor that contains stopper, the both ends installation motor end cover of this motor main casing body, installation rotor core in the motor casing, stator winding is installed to rotor core's periphery, and the stator winding both ends are stator winding tip, and the motor end cover is close to rotor core one side installation stopper, and rotor core's center is equipped with the main shaft that runs through motor main body. Compared with the prior art, the motor end cover is provided with the brake at one side close to the rotor core, and the cooling fan is arranged at the outer side of the bearing chamber of the rear end cover, so that the structure is compact. But it does not take into account the heat dissipation problem of the motor.

Disclosure of Invention

An object of the utility model is to overcome the shortcoming that exists among the prior art, provide a wind channel, this wind channel has guaranteed that heat energy can be abundant outwards discharges through the fan along with the air current to reach good heat dissipation mesh, avoid heat energy to gather the normal work that too much influences the motor, the technical scheme of adoption is: an air duct, characterized in that: the wind channel includes: an air inlet hole arranged on the shell; processing a vent hole on the inner lining plate; a fan mounted outside the housing; the air current is discharged from the air inlet through the air vent and then through the fan, thereby taking away heat energy.

The vent holes are oval vent holes in view of the need for good thermal performance.

The utility model also discloses a motor, including the casing with install the rotor in the casing, on the stator was fixed in the rotor, the casing top was equipped with terminal box, its characterized in that: the rotor comprises a rotor shaft, and a brake is arranged on the rotor shaft close to the end cover; be connected with the fan on the end cover outside rotor shaft, be equipped with in the casing with the wind channel that the fan is connected, the wind channel includes: an air inlet hole arranged on the shell; processing a vent hole on the inner lining plate; a fan mounted outside the housing; the air current is discharged from the air inlet through the air vent and then through the fan, thereby taking away heat energy. The motor has an air duct with good heat dissipation performance, and the brake is additionally arranged on the rotor shaft, so that the volume of the motor is reduced, and the reaction speed of the brake can be accelerated.

In order to obtain the digital information of the rotation of the rotor, the position, close to the end cover, of the rotor shaft is also connected with an encoder.

In order to know the temperature in the motor and know the operation condition in the motor, the motor further comprises a temperature sensor which is arranged at a position close to the rotor.

In consideration of the requirement of component installation, the rotor shaft comprises an encoder position shaft shoulder, a brake position shaft shoulder and a bearing position shaft shoulder which are sequentially arranged from the end cover to the tail end.

The beneficial effects of the utility model reside in that: the air duct is specially designed for enhancing the internal heat dissipation requirement of the motor, and the air flow mobility is increased by virtue of the vent holes formed in the inner lining plate; the motor is provided with the brake on the rotor shaft, and has compact structure and small volume; the motor has the advantages of small occupied area and good heat dissipation effect.

Drawings

Fig. 1 is a schematic structural view of the motor, fig. 2 is a schematic structural view of a rotor shaft, fig. 3 is a schematic structural view of a casing, fig. 4 is a schematic structural view of an inner lining plate, where 1 is the casing, 11 is the inner lining plate, 12 is a vent hole, 13 is a casing plate, 2 is a bearing, 3 is the rotor, 4 is the stator, 5 is a brake, 6 is an encoder, 7 is the fan, 8 is a temperature sensor, 9 is the rotor shaft, 91 is a bearing position shoulder, 92 is a brake position shoulder, 93 is the encoder position shoulder, and 10 is a junction box.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

The utility model discloses a wind channel suitable for on the motor, the inside ventilation cooling of this wind channel mainly used motor. This wind channel includes: an air inlet hole (not shown) provided on the cabinet 1; a vent hole 12 formed in the inner liner 11; and a fan 7 arranged outside the casing 1. After the motor rotates, airflow passes through the air inlet of the fan 7 from the air inlet hole through the air vent 12 and is finally discharged from the air outlet of the fan 7, and the purposes of taking away heat energy and dissipating heat are achieved by utilizing the flowing of the airflow.

The vent holes 12 are designed as oval vent holes in view of increasing the area of the vent holes 12 as much as possible to enhance the heat dissipation effect.

The utility model also provides a motor, including casing 1 with install rotor 3 in casing 1, on stator 4 was fixed in rotor 3, casing 1 top was equipped with terminal box 10. The rotor 3 rotates by taking a rotor shaft 9 as a center, a brake is arranged on the rotor shaft 9 close to an end cover, and the rotor shaft 9 close to the end cover is also connected with an encoder 6. The temperature sensor 8 is mounted close to the rotor. The rotor shaft outside the end cover is connected with a fan 7, and an air channel connected with the fan 7 is arranged in the casing 1 and is the air channel.

In this embodiment, the rotor shaft 9 includes an encoder position shoulder 93, a brake position shoulder 92, and a bearing position shoulder 91, which are sequentially disposed from the end cover to the tail end.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims

1. An air duct, characterized in that: the wind channel includes: an air inlet hole arranged on the shell; processing a vent hole on the inner lining plate; a fan mounted outside the housing; the air current is discharged from the air inlet through the air vent and then through the fan, thereby taking away heat energy.

2. The air duct according to claim 1, wherein: the vent hole is an oval vent hole.

3. The utility model provides a motor, includes the casing and installs the rotor in the casing, and the stator is fixed in on the rotor, and the casing top is equipped with terminal box, its characterized in that: the rotor comprises a rotor shaft, and a brake is arranged on the rotor shaft close to the end cover; be connected with the fan on the end cover outside rotor shaft, be equipped with in the casing with the wind channel that the fan is connected, the wind channel includes: an air inlet hole arranged on the shell; processing a vent hole on the inner lining plate; a fan mounted outside the housing; the air current is discharged from the air inlet through the air vent and then through the fan, thereby taking away heat energy.

4. The motor of claim 3, wherein: and the position, close to the end cover, of the rotor shaft is also connected with an encoder.

5. The motor of claim 3, wherein: the motor further includes a temperature sensor mounted proximate to the rotor.

6. The motor of claim 3, wherein: the rotor shaft comprises an encoder position shaft shoulder, a brake position shaft shoulder and a bearing position shaft shoulder which are sequentially arranged from the end cover to the tail end.