CN212909256U

CN212909256U - Electric machine

Info

Publication number: CN212909256U
Application number: CN202022172348.2U
Authority: CN
Inventors: 程传梅; 姜占光; 孙贤洲
Original assignee: Qingdao CCS Electric Corp
Current assignee: Qingdao CCS Electric Corp
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-04-06
Anticipated expiration: 2030-09-28

Abstract

The utility model provides a motor can guarantee the interior hot-blast effluvium smoothly of motor, has fine guard action again, prevents rainwater and debris etc. and gets into the motor. The motor comprises a first shell, a first air inlet and a first air outlet are formed in the first shell, the first air inlet and the first air outlet are both provided with a heat dissipation fan cover, the heat dissipation fan cover comprises a second shell and a heat dissipation air duct, a second air inlet is formed in the side face of the second shell, a second air outlet is formed in the bottom face of the second shell, and the second air inlet is communicated with the first air outlet. The utility model discloses the motor disposes the heat dissipation fan housing, and the heat dissipation fan housing can satisfy the heat dissipation demand of motor, and the second air intake of heat dissipation fan housing is located the side of its second casing simultaneously, and the second air outlet is located the bottom surface of its second casing to can effectively prevent inside rainwater, sand blown by the wind or debris get into the motor through the heat dissipation fan housing, improve the protection level of motor, guarantee the normal operating of motor.

Description

Electric machine

Technical Field

The utility model belongs to the technical field of the motor, the motor of concretely relates to outdoor use.

Background

Along with the development of society, various apparatuses emerge endlessly, and the power sources of these apparatuses are mostly driven by the motor, and the motor has gradually become indispensable power source, and the demand for large-scale motor is increasing.

In order to improve the efficiency of the motor, prolong the service life of the whole motor and reduce the loss of the motor, how to radiate heat generated by various losses is a problem to be solved urgently in the design of the motor. The forced filling of cold air into the motor for cooling the stator and the rotor of the motor is a common motor cooling method at present, and an air port is arranged on the motor shell so as to introduce external cold air and discharge hot air in the motor. For outdoor motors, the risk of rainwater, sand and wind and dust entering the air inlet and the air outlet on the motor shell can bring adverse effects to the protection of the motor. Therefore, the protection is well made while the heat in the outdoor motor is dissipated, so that the outdoor motor can reliably run in severe environments such as rainy days, sand storm and the like, and the design of the motor is difficult at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor can guarantee the interior hot-blast effluvium smoothly of motor, has fine guard action again, prevents rainwater and debris etc. and gets into the motor.

For reaching the technical effect, the utility model discloses a technical scheme be, a motor, including first casing, be formed with first air intake and first air outlet on the first casing, first air intake with first air outlet all disposes the heat dissipation fan housing, the heat dissipation fan housing include the second casing and by the heat dissipation wind channel that the second casing encloses, be formed with on the side of second casing with the second air intake of heat dissipation wind channel intercommunication, be formed with on the bottom surface of second casing with the second air outlet of heat dissipation wind channel intercommunication, the second air intake with first air outlet intercommunication.

The second air inlet is provided with an air inlet flange, and the heat dissipation fan cover is connected to the first shell through the air inlet flange.

Be formed with on the first casing and be located first air intake outlying air intake seal groove and be located first air outlet outlying air outlet seal groove, the air intake seal groove with equal adaptation is installed in the air outlet seal groove and the sealing washer, the sealing washer with air intake flange seal cooperation.

The first shell comprises a circumferential shell body, a front end cover and a rear end cover, the front end cover and the rear end cover are located at the front end and the rear end of the circumferential shell body, the first air inlet is formed in the front end cover and/or the rear end cover, and the first air outlet is formed in the front end cover and/or the rear end cover.

The first air inlet and the first air outlet are formed in the front end cover, a front bearing outer cover used for shielding the front end of a motor bearing is installed in the center of the front end cover, the first air inlet, the first air outlet and the heat dissipation fan cover are located above the front bearing outer cover, and the heat dissipation fan cover is obliquely arranged to enable the second air outlet to face towards the side portion of the front bearing outer cover.

And the second air outlet is provided with a dust screen.

The heat dissipation air duct is a straight air duct, and the second air inlet is located at the top of the side face of the second shell.

The top surface of the second shell is arc-shaped.

Compared with the prior art, the utility model has the advantages of it is following and positive effect:

1. the utility model discloses the motor all disposes the heat dissipation fan housing through first air intake and first air outlet on its first casing, the heat dissipation fan housing is through its second air intake and the first air outlet on the first casing of motor intercommunication, make the hot-blast in the motor in proper order via first air outlet, second air intake and heat dissipation wind channel, discharge by the second air outlet at last, then the heat dissipation fan housing can satisfy the heat dissipation demand of motor, the second air intake of heat dissipation fan housing is located its second casing's side simultaneously, the second air outlet is located its second casing's bottom surface, thereby can effectively prevent rainwater, sand blown by the wind or debris through the heat dissipation fan housing entering motor inside, improve the protection level of motor, guarantee the normal operating of motor;

2. through addding the heat dissipation fan housing, can also increase the heat radiating area of motor, improve the radiating effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

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

fig. 2 is a schematic structural view of the motor of the present invention without a heat dissipation fan housing;

fig. 3 is a three-dimensional structure diagram of the heat dissipation fan cover of the motor of the present invention;

fig. 4 is a view taken along direction a of fig. 3.

Reference numerals: 100. a motor; 110. a first housing; 111. a circumferential housing; 112. a front end cover; 120. a first air inlet; 130. a first air outlet; 140. a heat dissipation fan cover; 141. a second housing; 142. a second air inlet; 143. a second air outlet; 144. an air inlet flange; 145. a dust screen; 150. an air inlet sealing groove; 160. an air outlet sealing groove; 170. a front bearing outer cover; 171. and (4) a nozzle tip.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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; 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 4, a motor 100, specifically an outdoor motor, in this embodiment includes a first casing 110, a first air inlet 120 and a first air outlet 130 are formed on the first casing 110, the first air inlet 120 and the first air outlet 130 are both configured with a heat dissipation fan housing 140, the heat dissipation fan housing 140 includes a second casing 141 and a heat dissipation air duct (i.e., an internal space surrounded by the second casing 141, for reasons of view, not shown in fig. 1 to 4) surrounded by the second casing 141, a second air inlet 142 communicated with the heat dissipation air duct is formed on a side surface of the second casing 141, a second air outlet 143 communicated with the heat dissipation air duct is formed on a bottom surface of the second casing 141, and the second air inlet 142 is communicated with the first air outlet 130, so that the heat dissipation air duct is communicated with the internal space of the first casing 110.

In the motor of this embodiment, the heat dissipation fan housing 140 is additionally provided, and the heat dissipation fan housing 140 is communicated with the first air outlet 130 on the first casing 110 through the second air inlet 142 of the heat dissipation fan housing 140, so that hot air in the motor 100 sequentially passes through the first air outlet 130, the second air inlet 142 and the heat dissipation air duct, and is finally discharged through the second air outlet 143, and the heat dissipation fan housing 140 can meet the heat dissipation requirement of the motor 100, meanwhile, the second air inlet 142 of the heat dissipation fan housing 140 is located on the side surface of the second casing 141, and the second air outlet 143 is located on the bottom surface of the second casing 141, so that rain, wind sand, or impurities are not easy to enter the heat dissipation air duct 140 from the second air outlet 143, and further are not easy to enter the motor 100, thereby effectively preventing rain, wind sand, or impurities from entering the interior of the motor 100 through the heat; the heat dissipation fan housing 140 is preferably made of a metal material, which can increase the heat dissipation area of the motor 100 and further improve the heat dissipation effect.

Further specifically, the second air inlet 142 is provided with an air inlet flange 144, and the heat dissipation fan housing 140 is screwed to the first housing 110 through the air inlet flange 144.

In order to further improve the protection capability of the motor 100, as shown in fig. 2, an air inlet sealing groove 150 located at the periphery of the first air inlet 120 and an air outlet sealing groove 160 located at the periphery of the first air outlet 130 are formed on the first casing 110, the air inlet sealing groove 150 and the first air inlet 120 are concentrically arranged, the air outlet sealing groove 160 and the first air outlet 130 are concentrically arranged, sealing rings (not shown) are respectively installed in the air inlet sealing groove 150 and the air outlet sealing groove 160 in a matching manner, and the sealing rings are in sealing fit with the air inlet flange 144, so that rainwater or other fine impurities entering from the gaps due to installation gaps existing between the air inlet flange 144 and the first casing 110 are prevented.

The first casing 110 of the motor 100 includes a circumferential casing 111, and a front cover 112 and a rear cover (not shown) located at front and rear ends of the circumferential casing 111, wherein the first air inlet 120 is formed on the front cover 112 and/or the rear cover, and the first air outlet 130 is formed on the front cover 112 and/or the rear cover.

In this embodiment, the first air inlet 120 and the first air outlet 130 are both formed on the front end cover 112, a front bearing outer cover 170 for shielding a motor bearing is installed at a central portion of the front end cover 112, the first air inlet 120, the first air outlet 130 and the heat dissipation fan housing 140 are all located above the front bearing outer cover 170, the heat dissipation fan housing 140 is obliquely arranged to enable the second air outlet 143 to face a side portion of the front bearing outer cover 170, so that hot air is prevented from blowing the front bearing outer cover 170 to affect heat dissipation of the bearing, outflow of rainwater is facilitated, and meanwhile, the position of the heat dissipation fan housing 140 should be kept clear of an oil nozzle 171 on the front bearing outer cover 170.

In addition, the second outlet 143 is provided with a dust screen 145 to prevent foreign materials from entering the motor 100. Preferably, the dust screen 145 is detachable to facilitate cleaning and replacement of the heat dissipation fan housing 140.

As shown in fig. 2 to 4, the heat dissipation air duct 140 of the present embodiment is preferably a straight air duct to make the air flow smooth and reduce the flow resistance; meanwhile, the second air inlet 142 is located at the top of the side of the second housing 140, so that the distance between the second air inlet 142 and the second air outlet 143 is relatively long, thereby further preventing rainwater and the like from entering the interior of the motor 100 along with the airflow.

The top surface of second casing 140 is the arc, realizes crashproof design, improves motor safety in utilization.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a motor, includes first casing, be formed with first air intake and first air outlet on the first casing, its characterized in that: the first air inlet and the first air outlet are both provided with a heat dissipation fan cover, the heat dissipation fan cover comprises a second shell and a heat dissipation air channel surrounded by the second shell, a second air inlet communicated with the heat dissipation air channel is formed in the side face of the second shell, a second air outlet communicated with the heat dissipation air channel is formed in the bottom face of the second shell, and the second air inlet is communicated with the first air outlet.

2. The electric machine of claim 1, wherein: the second air inlet is provided with an air inlet flange, and the heat dissipation fan cover is connected to the first shell through the air inlet flange.

3. The electric machine of claim 2, wherein: be formed with on the first casing and be located first air intake outlying air intake seal groove and be located first air outlet outlying air outlet seal groove, the air intake seal groove with equal adaptation is installed in the air outlet seal groove and the sealing washer, the sealing washer with air intake flange seal cooperation.

4. The electric machine of claim 1, wherein: the first shell comprises a circumferential shell body, a front end cover and a rear end cover, the front end cover and the rear end cover are located at the front end and the rear end of the circumferential shell body, the first air inlet is formed in the front end cover and/or the rear end cover, and the first air outlet is formed in the front end cover and/or the rear end cover.

5. The electric machine of claim 4, wherein: the first air inlet and the first air outlet are formed in the front end cover, a front bearing outer cover used for shielding the front end of a motor bearing is installed in the center of the front end cover, the first air inlet, the first air outlet and the heat dissipation fan cover are located above the front bearing outer cover, and the heat dissipation fan cover is obliquely arranged to enable the second air outlet to face towards the side portion of the front bearing outer cover.

6. The electric machine according to any of claims 1 to 5, characterized in that: and the second air outlet is provided with a dust screen.

7. The electric machine of claim 1, wherein: the heat dissipation air duct is a straight air duct, and the second air inlet is located at the top of the side face of the second shell.

8. The electric machine of claim 7, wherein: the top surface of the second shell is arc-shaped.