CN215995984U

CN215995984U - Novel wind-cold wind motor group tower section of thick bamboo door filter screen mounting structure

Info

Publication number: CN215995984U
Application number: CN202121976005.XU
Authority: CN
Inventors: 张衡; 王盼强; 李燕龙; 侯飞
Original assignee: Inner Mongolia Xinjin Wind Power Generation Co ltd
Current assignee: Inner Mongolia Xinjin Wind Power Generation Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-03-11
Anticipated expiration: 2031-08-20

Abstract

The utility model relates to a novel tower drum door filter screen mounting structure of a wind-cold wind motor set, which comprises a tower drum door, an upper layer filter screen mounting hole and a lower layer filter screen mounting hole, wherein the upper layer filter screen mounting hole and the lower layer filter screen mounting hole are formed in the tower drum door; the filter screen structure comprises a filter screen group and filter cotton inserted in the filter screen group, one side of the filter screen group is provided with an opening, the filter cotton is inserted into the filter screen group from the opening, one side of the opening of the filter screen group is provided with a filter screen group cover plate, and the filter screen group cover plate is tightly connected with the filter screen group through bolts; compared with the prior art, the utility model changes the installation mode of the filter cotton, and the filter cotton is inserted into the filter sheet group, and meanwhile, the filter sheet group and the cover plate of the filter sheet group are also installed on the tower barrel door through bolts, so that the sealing performance of the whole structure is better, the ventilation quantity of the converter system can be increased, and the operation environment of the converter system is improved.

Description

Novel wind-cold wind motor group tower section of thick bamboo door filter screen mounting structure

Technical Field

The utility model relates to a novel tower cylinder door filter screen mounting structure of a wind-cold wind motor set.

Background

The first purpose of the wind power plant is to ensure safe and stable power generation capacity, timely processing of faults and quick recovery of normal operation of the unit are the primary conditions, maintenance time of the unit faults is shortened, the availability of the unit is ensured, and the wind power plant is also favorable for future work development of project sites. In view of the golden wind 1.5MW unit air-cooled converter unit, the converter radiates heat in a forced air-cooled mode, and external cold air enters the converter system through a tower cylinder door; most of wind turbine generators are installed in areas with large dust, so that external dust directly enters the converter system through gaps of the filter screens. Under the condition that the external environment is relatively humid, a short circuit phenomenon occurs to an IGBT inner driving plate in a converter system, and the fault rate of the wind turbine generator is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a novel wind cooling wind turbine generator tower door filter screen mounting structure capable of effectively reducing dust entering a converter system.

The technical scheme adopted by the utility model is as follows: a novel wind-cold wind motor group tower cylinder door filter screen mounting structure comprises a tower cylinder door, an upper layer filter screen mounting hole and a lower layer filter screen mounting hole which are formed in the tower cylinder door, wherein filter screen structures are mounted on the upper layer filter screen mounting hole and the lower layer filter screen mounting hole; the filter screen structure comprises a filter screen group and filter cotton inserted in the filter screen group, one side of the filter screen group is provided with an opening, the filter cotton is inserted into the filter screen group from the opening, one side of the opening of the filter screen group is provided with a filter screen group cover plate, and the filter screen group cover plate is tightly connected with the filter screen group through bolts.

Furthermore, after the filter plate group cover plate is tightly connected with the filter plate group, an installation sealing strip is arranged between the filter plate group cover plate and the tower drum door.

Further, lower box welding frame is installed in lower floor's filter screen mounting hole department, the filter screen structure sets up under on the three lateral wall of box welding steel box welding frame passes through bolted connection with a tower section of thick bamboo door down to be equipped with the installation sealing strip between the two.

Furthermore, a sliding groove is formed in the filter plate set, the filter cotton is arranged on the filter cotton support, and a sliding block matched with the sliding groove is arranged on the filter cotton support.

Further, the side wall of the sliding groove, which is close to the outer side, is provided with a sliding groove sealing strip made of rubber, the inner side end of the filter cotton support is provided with a baffle, the baffle is located on the inner side of the end part of the filter plate group, and when the baffle is in close contact with the end part of the filter plate group, the sliding block is tightly pressed and sealed with the sliding groove sealing strip.

The utility model has the positive effects that: compared with the prior art, the installation mode of the filter cotton is changed, the filter cotton is installed in the filter sheet group in an inserting mode, meanwhile, the filter sheet group and the cover plate of the filter sheet group are also installed on the tower barrel door through bolts, the sealing performance of the whole structure is better, the ventilation quantity of the converter system can be increased, the operation environment of the converter system is improved, the damage probability of the IGBT is reduced, about 10 IGBT damages are reduced every year, and the cost is reduced by 30 ten thousand yuan every year.

Drawings

FIG. 1 is a schematic view of a tower door according to the present invention;

FIG. 2 is a schematic diagram of a split state according to the present invention;

FIG. 3 is a schematic view of the combination of a filter disc set and filter cotton according to the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the filter plate assembly and the cover plate of the filter plate assembly according to the present invention.

Detailed Description

Example 1

As shown in fig. 1-3 and 5, the present embodiment includes a tower door 1, and an upper layer filter screen mounting hole 2 and a lower layer filter screen mounting hole 3 provided on the tower door 1, and the upper layer filter screen mounting hole and the lower layer filter screen mounting hole are both provided with a filter screen structure through bolts.

The filter screen structure comprises a filter sheet assembly formed by combining a filter sheet set 5 and a filter sheet set cover plate 11 and filter cotton 7 inserted in the filter sheet assembly, the filter sheet assembly is fixedly installed on a filter screen installation hole through bolts, one side of the filter sheet set 5 is provided with an opening so as to insert the filter cotton 7, and the filter sheet set cover plate 11 is installed on the opening to form a structure capable of being buckled.

Specifically, the filter screen structure is directly installed on the upper-layer filter screen installation hole 2 through a bolt, and is connected with the part, around the upper-layer filter screen installation hole 2, of the tower drum door 1 through a bolt, and when the filter screen structure is installed, an installation sealing strip 4 is further arranged between the filter plate assembly and the tower drum door 1.

Install on lower floor's filter screen mounting hole 3 and be cuboid or square lower box welding frame 12 of going, its one side corresponds with lower floor's filter screen mounting hole 3, installs on tower section of thick bamboo door 1 through the bolt, all installs the filter screen structure on 3 other sides, and this filter screen structure is fixed with lower box welding frame 12 through the bolt, also is equipped with installation sealing strip 4 simultaneously between the two. The upper and lower surfaces of the lower case welding frame 12 are closed.

Example 2

The embodiment is further refined on the basis of embodiment 1, as shown in fig. 3 and 4, sliding grooves are formed in the upper side surface and the lower side surface inside the filter plate group 5, the filter cotton 7 is installed on the filter cotton support, a sliding block 8 matched with the sliding groove 6 is arranged on the filter cotton support, the filter cotton 7 is matched with the filter plate group 5 through the sliding groove 6 and the sliding block 8, sliding connection between the filter cotton 7 and the filter plate group is achieved, and certain stability is achieved after installation.

Example 3

The embodiment is further improved on the basis of embodiment 2, as shown in fig. 3 and 4, a chute sealing strip 9 is arranged on the outer side wall of the chute 6, a baffle 10 is arranged at the inner end of the cotton filter support, and the baffle 10 is positioned at the inner side of the end part of the inner side of the filter plate group 5. When the filter sheet group 5 is assembled with the tower tube door 1 or the lower box body welding frame 12, the baffle 10 can be stressed to move outwards, the sliding block 8 and the sliding groove sealing strip 9 are tightly pushed, sealing is realized, and dust is prevented from entering from the connecting part of the sliding block 8 and the sliding groove 6.

The utility model can be applied to the design of the filter screens of the tower doors of all wind turbine generators at present, has wide application prospect and better sand and dust filtering effect, can better improve the operating environment of a tower bottom converter system, reduce the fault rate of the converter system and improve the operating efficiency of the wind turbine generators.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A novel tower cylinder door filter screen mounting structure of a wind and cold wind motor set comprises a tower cylinder door (1), an upper layer filter screen mounting hole (2) and a lower layer filter screen mounting hole (3) which are formed in the tower cylinder door (1), wherein filter screen structures are mounted in the upper layer filter screen mounting hole (2) and the lower layer filter screen mounting hole (3); the novel filter screen is characterized in that the filter screen structure comprises a filter screen group (5) and filter cotton (7) inserted in the filter screen group (5), one side of the filter screen group (5) is provided with an opening, the filter cotton (7) is inserted into the filter screen group (5) from the opening, one side of the opening of the filter screen group (5) is provided with a filter screen group cover plate (11), and the filter screen group cover plate (11) is tightly connected with the filter screen group (5) through bolts.

2. The novel tower cylinder door filter screen mounting structure of the air-cooled air motor unit according to claim 1, wherein a mounting sealing strip (4) is arranged between the filter sheet group cover plate (11) and the tower cylinder door (1) after the filter sheet group cover plate is tightly connected with the filter sheet group (5).

3. The novel tower cylinder door filter screen mounting structure of the air-cooled air motor unit according to claim 1 or 2, characterized in that a lower box welding frame (12) is mounted at the lower layer filter screen mounting hole (3), the filter screen structure is arranged on three side walls of the lower box welding frame (12), the lower box welding frame (12) is connected with the tower cylinder door (1) through bolts, and a mounting sealing strip (4) is arranged between the lower box welding frame and the tower cylinder door.

4. The novel tower cylinder door filter screen mounting structure of the wind and cold wind motor set according to claim 1, wherein a chute (6) is arranged in the filter screen set (5), the filter cotton (7) is arranged on a filter cotton support, and a slide block (8) adapted to the chute (6) is arranged on the filter cotton support.

5. The novel tower cylinder door filter screen mounting structure of the wind and cold wind motor unit according to claim 4, characterized in that a rubber chute sealing strip (9) is arranged on the side wall of the chute (6) close to the outer side, a baffle (10) is arranged at the inner side end of the filter cotton support, the baffle (10) is positioned at the inner side of the end part of the filter sheet unit (5), and when the baffle (10) is in close contact with the end part of the filter sheet unit (5), the sliding block (8) is tightly pressed against and sealed with the chute sealing strip (9).