CN219068011U - High-power wind-powered electricity generation stator outlet box ventilation unit - Google Patents

High-power wind-powered electricity generation stator outlet box ventilation unit Download PDF

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Publication number
CN219068011U
CN219068011U CN202223395689.1U CN202223395689U CN219068011U CN 219068011 U CN219068011 U CN 219068011U CN 202223395689 U CN202223395689 U CN 202223395689U CN 219068011 U CN219068011 U CN 219068011U
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CN
China
Prior art keywords
outlet box
cooler
stator outlet
stator
air
Prior art date
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Active
Application number
CN202223395689.1U
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Chinese (zh)
Inventor
王松彬
许明宇
蒋希
李俊
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SEC Electric Machinery Co Ltd
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SEC Electric Machinery Co Ltd
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Priority to CN202223395689.1U priority Critical patent/CN219068011U/en
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Publication of CN219068011U publication Critical patent/CN219068011U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Motor Or Generator Cooling System (AREA)

Abstract

The utility model relates to a high-power wind power stator outlet box ventilation device, which belongs to the field of motor manufacturing and comprises a motor shell, a stator outlet box and a cooler, wherein the stator outlet box is arranged outside the motor shell; the lower part of the stator outlet box is provided with an air path inlet, the upper part of the stator outlet box is provided with an air path outlet, and the stator outlet box is integrally arranged at the lower end of the cooler. According to the utility model, the heat dissipation air path is increased, the temperature of the conductive bars in the stator outlet box is reduced, the temperature of cables is reduced, the cables are protected, and the after-sale maintenance cost is reduced.

Description

High-power wind-powered electricity generation stator outlet box ventilation unit
Technical Field
The utility model relates to a high-power wind power stator outlet box ventilation device, and belongs to the field of motor manufacturing.
Background
Along with the development of continuous clean energy of the nation, the development of wind power generation is rapid, and as the technology maturity is higher, the single-machine capacity of the wind power generator is larger, and the corresponding stator current is larger. The stator current is large, so that the conductive bars in the stator outlet box generate heat greatly, and the temperature in the stator outlet box (particularly the conductive bars) can rise along with the rise of the capacity of the wind power motor due to the influence of the heat of the motor body on the stator outlet box. The temperature of the conducting bars in the stator outlet box is too high, so that the cable insulation is aged at an accelerated speed, the insulation failure can lead to interphase short circuit for a long time, overcurrent protection is triggered to stop or even burn the motor, and the after-sale maintenance cost is greatly increased.
Disclosure of Invention
The utility model aims to overcome the defects, and provides a high-power wind power stator outlet box ventilation structure which is provided with a heat dissipation air path, so that the temperature of a conductive bar of the stator outlet box is reduced, the temperature of a cable is reduced, the cable is protected, and the after-sale maintenance cost is reduced.
According to the technical scheme provided by the utility model, the high-power wind power stator outlet box ventilation device comprises a motor shell, a stator outlet box and a cooler, wherein the stator outlet box is arranged outside the motor shell, the cooler is arranged at the top of the motor shell, the cooler comprises a shell communicated with the motor shell, a cooler air inlet, a cooler air outlet and a cooling fan arranged in the shell, the cooler air inlet and the cooler air outlet are both arranged on the side surface of the shell, and the cooling fan is connected with the cooler air outlet; the lower part of stator outlet box is provided with the wind path import, the upper portion of stator outlet box is provided with the wind path export, wind path import and wind path export all set up on the stator outlet box with the junction surface of motor casing for communicate the cavity of stator outlet box and motor casing, the whole setting of stator outlet box is in the lower extreme of cooler.
As a further improvement of the utility model, an air outlet frame is arranged at the outlet of the air path of the stator outlet box, and the air outlet direction of the air outlet frame is obliquely upwards arranged and is close to the cooling fan.
As a further improvement of the present utility model, a plurality of filters are provided in the cooler.
As a further development of the utility model, the filter is arranged close to the cooler air outlet and the cooler air inlet.
As a further improvement of the utility model, the air inlets of the cooler are three, and the three air inlets are respectively arranged on three sides of the cooler.
As a further improvement of the utility model, a horn mouth is arranged at the air outlet of the cooler.
The utility model has the beneficial effects that:
a heat dissipation air path is added in the motor cooling air path system, so that the structure is simple, and the heat dissipation effect is good;
the occupied space is small, and the arrangement of the whole parts in the motor casing is not influenced;
the service life of the stator wire outlet box is prolonged, and the maintenance cost is reduced.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a left side view of the present utility model.
Fig. 3 is an enlarged view of the stator outlet box.
Reference numerals illustrate: 1. a cooler; 2. a motor housing; 3. a stator outlet box; 11. a housing; 12. a cooling fan; 13. an air inlet of the cold area device; 14. an air outlet of the cooler; 15. a filter; 21. an air outlet frame; 31. an air path inlet; 32. an air path outlet; 141. a horn mouth.
Detailed Description
The utility model will be further described with reference to examples of embodiments in the accompanying drawings, in which:
as shown in the figure, the high-power wind power stator outlet box ventilation device comprises a motor shell 2, a stator outlet box 3 and a cooler 1, wherein the stator outlet box 3 is arranged outside the motor shell 2, the cooler 1 is arranged at the top of the motor shell 2, the cooler 1 comprises a shell 11 communicated with the motor shell 2, a cooler air inlet 13, a cooler air outlet 14 and a cooling fan 12 arranged in the shell 11, the cooler air inlet 13 and the cooler air outlet 14 are both arranged on the side surface of the shell 11, and the cooling fan 12 is connected with the cooler air outlet 14; the lower part of stator outlet box 3 is provided with wind path import 31, the upper portion of stator outlet box 3 is provided with wind path export 32, wind path import 31 and wind path export 32 all set up on the connection face of stator outlet box 3 with motor casing 2 for the cavity of intercommunication stator outlet box 3 and motor casing 2, stator outlet box 3 wholly sets up the lower extreme of cooler 1.
The air outlet frame 21 is arranged at the air path outlet 32 of the stator outlet box 3, and the air outlet direction of the air outlet frame 21 is obliquely upwards arranged and is close to the cooling fan 12, so as to prevent the air outlet of the stator outlet box 3 from colliding with and being disturbed by the main air outlet of the motor casing 2, and avoid the unsmooth air outlet of the stator outlet box 3 and affecting the heat dissipation of the same.
A plurality of filters 15 are arranged in the cooler 1; the filter 15 is disposed near the cooler air outlet 14 and the cooler air inlet 13, and is used for filtering impurities and preventing the motor from being affected.
The cooler air inlets 13 are three, are respectively arranged on three sides of the cooler 1, and the cooler air outlets 14 are arranged on the other side.
The air outlet 14 of the cooler is provided with a bell mouth 141 for the purpose of facilitating air exhaust.
The working process of the utility model is as follows:
air around the motor is taken in from the cooler air inlet 13, and is cold air at the moment, the air enters the motor shell 2 from the left side and the right side, wherein the right side air enters the air path inlet 31 from a small part, the cold air enters the stator outlet box 3, the cold air directly contacts with the conductive bars and the cables to absorb heat, and then the cold air passes through the air outlet frame 21, passes through the fan of the cooling fan 12 and finally exits from the cooler air outlet 14, so that circulation is formed.

Claims (6)

1. The utility model provides a high-power wind-powered electricity generation stator outlet box ventilation unit, includes motor casing (2), stator outlet box (3) and cooler (1), stator outlet box (3) set up motor casing (2) are outside, cooler (1) set up motor casing (2) top, characterized in that, cooler (1) include with motor casing (2) casing (11), cooler air intake (13), cooler air outlet (14) and set up cooling fan (12) in casing (11), cooler air intake (13) and cooler air outlet (14) all set up the side of casing (11), cooling fan (12) are connected with cooler air outlet (14); the lower part of stator outlet box (3) is provided with wind path import (31), the upper portion of stator outlet box (3) is provided with wind path export (32), wind path import (31) and wind path export (32) all set up stator outlet box (3) with on the junction surface of motor casing (2) for the cavity of intercommunication stator outlet box (3) and motor casing (2), stator outlet box (3) wholly set up the lower extreme of cooler (1).
2. A high power wind power stator outlet box ventilation device according to claim 1, characterized in that the outlet (32) of the stator outlet box (3) is provided with an air outlet frame (21), and the air outlet of the air outlet frame (21) is arranged obliquely upwards and is close to the cooling fan (12).
3. A high power wind power stator outlet box ventilation device according to claim 1, characterized in that a plurality of filters (15) are arranged in the cooler (1).
4. A high power wind power stator outlet box ventilation device according to claim 3, characterized in that the filter (15) is arranged close to the cooler outlet (14) and cooler inlet (13).
5. A high power wind power stator outlet box ventilation device according to claim 1, characterized in that the cooler air inlet (13) is provided with three, respectively arranged at three sides of the cooler (1).
6. A high power wind power stator outlet box ventilation device according to claim 1, characterized in that a flare (141) is provided at the cooler outlet (14).
CN202223395689.1U 2022-12-15 2022-12-15 High-power wind-powered electricity generation stator outlet box ventilation unit Active CN219068011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223395689.1U CN219068011U (en) 2022-12-15 2022-12-15 High-power wind-powered electricity generation stator outlet box ventilation unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223395689.1U CN219068011U (en) 2022-12-15 2022-12-15 High-power wind-powered electricity generation stator outlet box ventilation unit

Publications (1)

Publication Number Publication Date
CN219068011U true CN219068011U (en) 2023-05-23

Family

ID=86375894

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223395689.1U Active CN219068011U (en) 2022-12-15 2022-12-15 High-power wind-powered electricity generation stator outlet box ventilation unit

Country Status (1)

Country Link
CN (1) CN219068011U (en)

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