CN214255822U

CN214255822U - UPS (uninterrupted Power supply) of wind turbine generator

Info

Publication number: CN214255822U
Application number: CN202022573281.3U
Authority: CN
Inventors: 韩健; 青根木; 刘洋; 马云龙; 安达
Original assignee: Huaneng Tongliao Wind Power Co Ltd
Current assignee: Huaneng Tongliao Wind Power Co Ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-09-21
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a wind turbine generator system's UPS power supply, include: the inner part of the case is provided with an accommodating cavity, and the bottom of the case is provided with a case opening; the heat dissipation plate is used for sealing the box opening, and heat dissipation holes communicated with the accommodating cavity and the outside of the case are formed in the surface of the heat dissipation plate; and the UPS power supply module is arranged in the accommodating cavity. Because the heat dissipation plate at the bottom opening of the case is provided with the heat dissipation holes, a heat dissipation air duct is formed at the bottom of the case. The wind power advantage of the geographical environment where the wind turbine generator is located is utilized, the heat dissipation air duct is arranged on the case for installing the UPS power supply, the heat dissipation efficiency of the UPS power supply is improved, and the service life of the UPS power supply is prolonged.

Description

UPS (uninterrupted Power supply) of wind turbine generator

Technical Field

The utility model relates to a wind power generation technical field, in particular to wind turbine generator system's UPS power supply.

Background

The wind driven generator is a device for converting wind energy into electric energy, and mainly comprises blades, a generator, mechanical parts and electrical parts. According to the difference of rotating shafts, wind driven generators are mainly divided into two types, namely horizontal shaft wind driven generators and vertical shaft wind driven generators, and the horizontal shaft wind driven generators in the current market occupy the mainstream position.

An Uninterruptible Power Supply (UPS) is an Uninterruptible Power Supply (UPS) that includes an energy storage device. The power supply device is mainly used for providing uninterrupted power supply for partial equipment with higher requirements on power supply stability. When the commercial power input is normal, the UPS supplies the commercial power to the load for use after stabilizing the voltage, and the UPS is an alternating current type voltage stabilizer and also charges the battery in the machine; when the commercial power is interrupted (power failure in accident), the UPS immediately supplies the direct current electric energy of the battery to the load by a method of switching and converting the inverter to continuously supply 220V alternating current to the load, so that the load keeps normal work and the software and hardware of the load are protected from being damaged. UPS devices typically provide protection against either excessive voltage or insufficient voltage.

In order to better ensure the normal operation of the electronic control device on the wind turbine generator, a UPS power supply needs to be provided for the wind turbine generator, but in the actual engineering application process, the inventor finds that the ventilation and heat dissipation effects of the case of the conventional UPS power supply are not good enough, and the service life of the UPS power supply is easily affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at solves one of the technical problem that exists among the prior art at least, provides a wind turbine generator system's UPS power supply, utilizes the wind-force advantage of wind turbine generator system place geographical environment, sets up the heat dissipation wind channel on the quick-witted case that is used for installing UPS power supply, improves the radiating efficiency to UPS power supply, promotes UPS power supply's life.

In a first aspect, the utility model provides a wind turbine generator system's UPS power supply, include:

the inner part of the case is provided with an accommodating cavity, and the bottom of the case is provided with a case opening;

the heat dissipation plate is used for sealing the box opening, and heat dissipation holes communicated with the accommodating cavity and the outside of the case are formed in the surface of the heat dissipation plate; and

and the UPS power supply module is arranged in the accommodating cavity.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

the utility model provides a wind turbine generator system's UPS power supply, include: the inner part of the case is provided with an accommodating cavity, and the bottom of the case is provided with a case opening; the heat dissipation plate is used for sealing the box opening, and heat dissipation holes communicated with the accommodating cavity and the outside of the case are formed in the surface of the heat dissipation plate; and the UPS power supply module is arranged in the accommodating cavity. Because the heat dissipation plate at the bottom opening of the case is provided with the heat dissipation holes, a heat dissipation air duct is formed at the bottom of the case. The wind power advantage of the geographical environment where the wind turbine generator is located is utilized, the heat dissipation air duct is arranged on the case for installing the UPS power supply, the heat dissipation efficiency of the UPS power supply is improved, and the service life of the UPS power supply is prolonged.

As a further improvement, the water baffle further comprises an obliquely arranged water baffle, the obliquely arranged water baffle comprises a high end and a low end, the high end of the water baffle is connected with the edge of the tank opening, and the low end of the water baffle is a free end.

As a further improvement, the inclination angle of the water baffle plate and the horizontal plane ranges from 30 degrees to 60 degrees.

As a further improvement, the box opening structure further comprises an air guide cover with an air guide cavity inside, the air guide cover surrounds the periphery of the box opening, the air guide cavity is communicated with the accommodating cavity through the heat dissipation holes, and ventilation openings are formed in two side walls of the air guide cover respectively.

As a further improvement, the air-conditioning system further comprises an insect-proof net which is used for closing the ventilation opening.

As a further improvement, the bottom of the air guide cover is provided with a plurality of water leakage holes.

As a further improvement, the case is made of plastic.

As a further improvement, the heat dissipation plate is made of metal.

As a further improvement, the water baffle is made of plastic.

As a further improvement, the wind scooper is made of plastic.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic diagram of an overall structure of a UPS power supply of a wind turbine generator system according to an embodiment.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic diagram of an overall structure of a UPS power supply of a wind turbine generator according to another embodiment.

Fig. 4 is a cross-sectional view of fig. 3.

Reference numerals:

100. a chassis; 101. an accommodating chamber; 102. a box opening; 110. a heat dissipation plate; 111. heat dissipation holes; 120. a water baffle; 200. a UPS power supply module; 300. a wind scooper; 301. a vent; 302. a wind guide cavity; 310. an insect-proof net;

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In order to facilitate understanding of the embodiments of the present invention, a brief description of key technical terms related to the embodiments is provided below.

The UPS Power module 200, i.e., an Uninterruptible Power Supply (Uninterruptible Power Supply), is an Uninterruptible Power Supply that includes an energy storage device. The power supply device is mainly used for providing uninterrupted power supply for partial equipment with higher requirements on power supply stability. When the commercial power input is normal, the UPS supplies the commercial power to the load for use after stabilizing the voltage, and the UPS is an alternating current type voltage stabilizer and also charges the battery in the machine; when the commercial power is interrupted (power failure in accident), the UPS immediately supplies the direct current electric energy of the battery to the load by a method of switching and converting the inverter to continuously supply 220V alternating current to the load, so that the load keeps normal work and the software and hardware of the load are protected from being damaged. UPS devices typically provide protection against either excessive voltage or insufficient voltage.

The wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like; it has the functions of wind driven blade rotation to generate electricity, generator head rotation, etc. The structure of the device can be roughly divided into two parts. Wherein the mechanical part includes: wind wheel, driving mechanism, speed limiting or regulating mechanism, brake mechanism, frame revolving tower, etc.; the electrical part includes: generators, distribution boxes or controllers, batteries, inverters, and the like. Wind turbines are typically deployed in geographical locations where wind is strong.

The UPS power supply provided in this embodiment is dedicated to the wind turbine, and specifically, the case 100 for accommodating the UPS power module 200 is fixed to a tower of the wind turbine, and is used to provide dc power and a backup power for a control system of the wind turbine.

In the following, the UPS power supply of the wind turbine provided by the embodiments of the present invention will be described and explained in detail through several specific embodiments.

Note that the dotted lines with arrows in fig. 2 and 4 indicate the direction of the airflow.

It is understood that the "bottom" described in the embodiments of the present invention corresponds to the "upper" in the coordinate system of the drawings in order to conform to the expression custom of those skilled in the art.

As shown in fig. 1 and 2, in one embodiment, a UPS power supply for a wind turbine is provided. The UPS power supply comprises a case 100, a heat dissipation plate 110 and a UPS power supply module 200; wherein the content of the first and second substances,

the case 100 is internally provided with an accommodating cavity 101, the bottom of the case is provided with a case opening 102, the heat dissipation plate 110 is used for sealing the case opening 102, the surface of the heat dissipation plate 110 is provided with heat dissipation holes 111 for communicating the accommodating cavity 101 with the outside of the case 100, and the UPS power supply module 200 is arranged in the accommodating cavity 101. Because the heat dissipation plate 110 of the bottom opening 102 of the chassis 100 is provided with the heat dissipation holes 111, a heat dissipation air duct is formed under the bottom opening 102 of the chassis 100. By utilizing the wind power advantage of the geographical environment where the wind turbine generator is located, the case 100 for installing the UPS is provided with the heat dissipation air duct, so that the heat dissipation efficiency of the UPS is improved, and the service life of the UPS is prolonged.

In one embodiment, the water baffle 120 is obliquely arranged, the obliquely arranged water baffle 120 comprises a high end and a low end, the high end of the water baffle 120 is connected to the edge of the tank opening 102, and the low end of the water baffle 120 is a free end. The water baffle 120 is arranged at the edge of the box opening 102, so that outdoor rainwater can be prevented from splashing into the accommodating cavity 101, and short circuit of the UPS power supply module 200 in the accommodating cavity 101 is avoided; meanwhile, the water baffle 120 is obliquely arranged, so that the drainage effect is achieved, rainwater dropping on the water baffle 120 quickly slides from the high end to the low end, the possibility that the rainwater splashes into the accommodating cavity 101 is further reduced, and the safety of the UPS power module 200 is improved.

Preferably, the inclination angle of the water guard plate 120 to the horizontal plane ranges from 30 ° to 60 °. Specifically, for example, the splash plate 120 may be inclined at an angle of 45 ° to the horizontal.

As shown in fig. 3 and 4, in an embodiment, the UPS power supply of the wind turbine further includes an air guiding cover 300 having an air guiding cavity 302 therein, an upper end of the air guiding cover 300 is open, an opening at an upper end of the air guiding cover 300 surrounds a periphery of the box opening 102, the air guiding cavity 302 is communicated with the accommodating cavity 101 through the heat dissipating holes 111, and ventilation openings 301 are respectively formed in left and right side walls of the air guiding cover 300.

It can be understood that, the space below the box opening 102 is surrounded by the wind scooper 300, so that when outdoor wind is disturbed, the rainwater is blown to the heat dissipation plate 110 by wind blown from the lower part to the upper part, the rainwater is dripped into the accommodating cavity 101, the short circuit of the UPS power module 200 is prevented, and the safety performance is improved.

Since the bottom opening 102 of the chassis 100 is surrounded by the wind scooper 300, the wind guiding cavity 302 and the two ventilation openings 301 in the wind scooper 300 form a heat dissipating air duct under the bottom opening 102 of the chassis 100. By utilizing the wind power advantage of the geographical environment where the wind turbine generator is located, the case 100 for installing the UPS is provided with the heat dissipation air duct, so that the heat dissipation efficiency of the UPS is improved, and the service life of the UPS is prolonged.

Preferably, the air-guide structure further comprises an insect-proof net 310, wherein the insect-proof net 310 is used for sealing the vent 301, so that field organisms such as mosquitoes and the like are prevented from staying in the air-guide cavity 302 and affecting the heat dissipation effect. It should be noted that the heat dissipation holes 111 on the heat dissipation plate 110 play a role of preventing a first heavy bug from invading the UPS power module 200, and the bug net 310 is a second heavy bug prevention measure, so that the security of the UPS power module 200 is improved by the two bug prevention measures.

As a further improvement, the bottom of the wind scooper 300 is provided with a plurality of water leakage holes, so that rainwater dropping into the wind scooper 300 can be removed quickly, short circuit of the UPS power module 200 is avoided, and safety is improved.

Specifically, the case 100 is made of plastic, and can have a good insulation effect in an outdoor rainy environment; the heat dissipation plate 110 is made of metal (including iron, copper, aluminum, or the like), and has a good metal introduction effect, so that heat dissipation can be accelerated; the water baffle 120 and the wind scooper 300 are made of plastic materials, are not prone to rusting and corrosion, and are durable.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Claims

1. The utility model provides a UPS power supply of wind turbine generator system which characterized in that includes:

and the UPS power supply module is arranged in the accommodating cavity.

2. The UPS of wind turbine generator set according to claim 1, further comprising an inclined water baffle, wherein the inclined water baffle comprises a high end and a low end, the high end of the water baffle is connected to the edge of the box opening, and the low end of the water baffle is a free end.

3. The UPS power supply of a wind turbine according to claim 2, wherein the angle of inclination of the water deflector to the horizontal is in the range of 30 ° to 60 °.

4. The UPS of the wind turbine generator set according to claim 1, further comprising an air guide cover having an air guide cavity therein, wherein the air guide cover surrounds the periphery of the box opening, the air guide cavity is communicated with the accommodating cavity through the heat dissipation holes, and ventilation openings are respectively formed in two side walls of the air guide cover.

5. The UPS of a wind turbine generator as set forth in claim 4, further comprising a fly net for closing the vent.

6. The UPS of wind turbine generator set according to claim 4, wherein the bottom of the wind scooper is provided with a plurality of water leakage holes.

7. The UPS of a wind turbine generator as claimed in claim 1, wherein the case is made of plastic.

8. The UPS power supply of a wind turbine as set forth in claim 1, wherein said heat sink is made of metal.

9. The UPS of wind turbine generator set according to claim 2, wherein the water baffle is made of plastic.

10. The UPS of wind turbine generator system according to claim 4, wherein the wind scooper is made of plastic.