阅读说明：本技术 一种风力发电机塔筒降温冷却机构 (Cooling mechanism for tower of wind driven generator ) 是由 李媛 蔡安民 林伟荣 张林伟 杨博宇 焦冲 蔺雪峰 于 2021-08-30 设计创作，主要内容包括：本发明提供一种风力发电机塔筒降温冷却机构,包括塔筒、底罩和转套,所述底罩的两侧焊接有螺管,所述螺管的外端焊接有侧管,所述侧管的顶端焊接有滤筒,所述滤筒的顶部卡有风杯,所述螺管的顶部焊接有导管,所述螺管的内侧安装有单向阀一,所述导管的内侧安装有单向阀二,所述底罩的内侧卡有封板,所述塔筒的内壁上焊接有套筒,该风力发电机塔筒降温冷却机构能够在不消耗任何电能的条件下,对发电机组进行冷却降温作业,降低风力发电的电力损耗,提高风力发电的效率,能够在空气温度过高时依然进行有效地降温作业,提高冷却效率,在夜间或者冬季气温对发电机组进行保温作业,保障发电机组的工作安全,适用于为风力发电机进行降温冷却使用。(The invention provides a cooling mechanism for a tower barrel of a wind driven generator, which comprises the tower barrel, a bottom cover and a rotating sleeve, wherein screw pipes are welded on two sides of the bottom cover, side pipes are welded at the outer ends of the screw pipes, a filter barrel is welded at the top end of each side pipe, a wind cup is clamped at the top of each filter barrel, a guide pipe is welded at the top of each screw pipe, a one-way valve I is installed on the inner side of each screw pipe, a one-way valve II is installed on the inner side of each guide pipe, a sealing plate is clamped on the inner side of the bottom cover, and a sleeve is welded on the inner wall of the tower barrel, the work safety of guarantee generating set is applicable to and cools off the use for aerogenerator cools down.)

1. A cooling mechanism for a tower cylinder of a wind driven generator is characterized by comprising a tower cylinder (1), a bottom cover (2) and a rotary sleeve (3), wherein the bottom cover (2) is arranged at the bottom end of the tower cylinder (1), the rotary sleeve (3) is sleeved at the top end of the tower cylinder (1), spiral pipes (4) are arranged on two sides of the bottom cover (2), side pipes (5) are arranged at the outer ends of the spiral pipes (4), a filter cylinder (6) is arranged at the top end of each side pipe (5), an air cup (7) is clamped at the top of each filter cylinder (6), a guide pipe (8) is arranged at the top of each spiral pipe (4), a one-way valve I (9) is arranged on the inner side of each spiral pipe (4), a one-way valve II (10) is arranged on the inner side of each guide pipe (8), a sealing plate (11) is clamped on the inner side of the bottom cover (2), a sleeve (12) is arranged on the inner wall of the tower cylinder (1), a guide rod (13) is clamped on the inner side of the sleeve (12), and a clamping sleeve (14) is arranged on the inner wall of each side pipe (5), the inner side of the clamping sleeve (14) is clamped with a sliding rod (15), the outer side of the sliding rod (15) is sleeved with a sliding sleeve (16), a clamping column (17) is integrally formed on the sliding rod (15), the outer side of the sliding sleeve (16) is provided with a fan blade (18), the top of the rotating sleeve (3) is clamped with a top cap (19), the bottom of the top cap (19) is provided with a support rod (20), the bottom of the top cap (19) is provided with a filter cover (21), and the top of the rotating sleeve (3) is provided with a through hole (22).

2. The cooling mechanism for the tower of the wind driven generator as claimed in claim 1, wherein one end of the spiral tube (4) is communicated with two sides of the bottom cover (2), and the other end of the spiral tube (4) is coiled outside the bottom cover (2) and is communicated with the bottom end of the side tube (5).

3. The cooling mechanism for the tower of the wind driven generator as claimed in claim 1, wherein the bottom end of the conduit (8) is communicated with the top of the spiral tube (4), and the top end of the conduit (8) bypasses the bottom cover (2) and is communicated with the bottom of the tower (1).

4. The cooling mechanism for the tower of the wind driven generator as claimed in claim 1, wherein the top ends of the guide rods (13) are clamped on the inner wall of the sleeve (12), the bottom ends of the guide rods (13) penetrate through the sleeve (12) and are arranged at the top of the sealing plate (11), and the inner diameter of the top of the bottom cover (2) is smaller than that of the bottom cover (2).

5. The cooling mechanism for the tower of the wind driven generator as claimed in claim 1, wherein the cutting sleeve (14) is arranged at the center of the side pipe (5) through a support, the bottom end of the sliding rod (15) is clamped on the inner wall of the cutting sleeve (14), and the top end of the sliding rod (15) sequentially passes through the cutting sleeve (14), the sliding sleeve (16) and the filter cartridge (6) and is arranged at the bottom of the wind cup (7).

6. The cooling mechanism for the tower of the wind driven generator as claimed in claim 1, wherein the sliding sleeve (16) is mounted at the center of the side pipe (5) through a bearing, the fan blades (18) are uniformly distributed on the outer wall of the sliding sleeve (16), and the inner diameter of the sliding sleeve (16) is larger than the outer diameter of the sliding rod (15).

7. The cooling mechanism for the tower cylinder of the wind driven generator as claimed in claim 1, wherein the clamping column (17) is arranged at the top of the sliding sleeve (16), the top of the sliding sleeve (16) is provided with a bayonet, and the clamping column (17) is matched with the bayonet.

8. The cooling mechanism for the tower of the wind driven generator as claimed in claim 1, wherein the rotating sleeve (3) is mounted at the top end of the tower (1) through a bearing, and the rotating sleeve (3) is communicated with the tower (1).

9. The cooling mechanism for the tower of the wind driven generator as claimed in claim 1, wherein the top cap (19) is arranged on the top of the rotating sleeve (3) through a support rod (20), and the diameter of the top cap (19) is larger than that of the top of the rotating sleeve (3).

10. The cooling mechanism for the tower of the wind driven generator as claimed in claim 1, wherein the top end of the filter cover (21) is arranged at the bottom of the top cap (19), the bottom end of the filter cover (21) is arranged at the outer side of the rotating sleeve (3), the through holes (22) are uniformly distributed on the rotating sleeve (3), and the through holes (22) are arranged at the inner side of the filter cover (21).

Technical Field

The invention relates to the technical field of wind power tower cooling equipment, in particular to a wind driven generator tower cooling mechanism.

Background

The tower cylinder of the wind driven generator mainly plays a supporting role in the wind driven generator set, in order to ensure the safe operation of the wind driven generator set, especially when being installed in a high-temperature zone, a cooling mechanism is required to ensure the safe operation of the cooling mechanism, the existing wind power tower cylinder cooling equipment basically has the advantages of high installation speed, high cooling rate, good working stability, long service life and the like, and can meet the use requirement of cooling the wind driven generator set, however, for the existing wind power tower cylinder cooling equipment, on one hand, when the wind driven generator set is cooled, more electric energy is often consumed, thereby increasing the loss of wind power and reducing the efficiency of wind power generation, on the other hand, when the wind power generator set is cooled in the high-temperature zone, the cooling capacity is reduced due to higher ambient air temperature, the cooling efficiency is reduced, and in addition, when the wind generating set is used in the gobi or desert or other zones, the working safety of the wind generating set at night cannot be effectively guaranteed due to the fact that the temperature at night is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a cooling mechanism for a tower cylinder of a wind driven generator, which is used for solving the problems in the background art.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a cooling mechanism for a tower cylinder of a wind driven generator comprises a tower cylinder, the bottom cover and the rotary sleeve are arranged at the bottom end of the tower barrel, the rotary sleeve is arranged at the top end of the tower barrel, screw pipes are arranged on two sides of the bottom cover, side pipes are arranged at the outer ends of the screw pipes, a filter barrel is arranged at the top end of each side pipe, an air cup is clamped at the top of the filter barrel, a guide pipe is arranged at the top of each screw pipe, a one-way valve I is installed on the inner side of each screw pipe, a one-way valve II is installed on the inner side of each guide pipe, a sealing plate is clamped on the inner side of the bottom cover, a sleeve is arranged on the inner wall of the tower barrel, a guide rod is clamped on the inner side of each sleeve, a clamping sleeve is arranged on the inner wall of each side pipe, a sliding rod is clamped on the inner side of each clamping sleeve, a clamping column is integrally formed on each sliding rod, fan blades are arranged on the outer side of each sliding sleeve, a top cap is clamped at the top of each rotary sleeve, a support rod is arranged at the bottom of the top cap, and a filter cover is arranged at the top of the rotary sleeve.

Preferably, one end of the spiral pipe is communicated with two sides of the bottom cover, and the other end of the spiral pipe is coiled outside the bottom cover and is communicated with the bottom end of the side pipe.

Preferably, the bottom end of the guide pipe is communicated with the top of the spiral pipe, and the top end of the guide pipe bypasses the bottom cover and is communicated with the bottom of the tower barrel.

Preferably, the top end of the guide rod is clamped on the inner wall of the sleeve, the bottom end of the guide rod penetrates through the sleeve and is arranged at the top of the sealing plate, and the inner diameter of the top of the bottom cover is smaller than that of the bottom cover.

Preferably, the cutting sleeve is arranged at the center of the side pipe through the support, the bottom end of the sliding rod is clamped on the inner wall of the cutting sleeve, and the top end of the sliding rod sequentially penetrates through the cutting sleeve, the sliding sleeve and the filter cylinder and is arranged at the bottom of the wind cup.

Preferably, the sliding sleeve is installed at the center of the side pipe through a bearing, the fan blades are uniformly distributed on the outer wall of the sliding sleeve, and the inner diameter of the sliding sleeve is larger than the outer diameter of the sliding rod.

Preferably, the card post sets up at the top of sliding sleeve, and the bayonet socket has been seted up at the top of sliding sleeve, and the card post cooperatees with the bayonet socket.

Preferably, the rotating sleeve is mounted at the top end of the tower barrel through a bearing, and the rotating sleeve is communicated with the tower barrel.

Preferably, the top cap is arranged at the top of the rotary sleeve through the support rod, and the diameter of the top cap is larger than that of the top of the rotary sleeve.

Preferably, the top setting of filter bowl is in the bottom of hood, and the bottom setting of filter bowl is in the outside side of changeing the cover, and through-hole evenly distributed is on changeing the cover, and the through-hole setting is in the inboard of filter bowl.

Compared with the prior art, the invention has the beneficial effects that:

when the cooling mechanism for the tower barrel of the wind driven generator is used, the tower barrel can be used as a chimney when the cooling mechanism for the tower barrel of the wind driven generator works, the principle of the chimney is utilized, when the temperature is high, the tower barrel generates suction force to the interior of the bottom cover through the air pressure difference between the bottom and the top of the tower barrel, so that the externally-connected air is introduced into the bottom cover from the underground through the filter barrel suction side pipe above the side pipe and the spiral pipe, when the air flows into the bottom cover through the spiral pipe, the heat in the air is effectively transferred to the underground soil, after the air is cooled and cooled, the air enters the bottom cover through the one-way valve, after cooling the generator set in the bottom cover, the generator set enters the tower barrel and is discharged outwards through the top of the rotary sleeve, the cooling operation can be carried out on the generator set under the condition of not consuming any electric energy, and the electric power loss of wind driven generation is reduced, the efficiency of wind power generation is improved.

Further, when the cooling mechanism for the tower barrel of the wind driven generator is used, when the temperature is low at night or in winter, the air in the clamping sleeve contracts when encountering cold, the bottom end of the sliding rod moves downwards in the clamping sleeve, so that the clamping column on the sliding rod moves downwards into the bayonet at the top of the sliding sleeve, when natural wind blows the wind cup to rotate, the wind cup drives the sliding rod to rotate, the sliding rod drives the sliding sleeve to rotate through the clamping column, the fan blades outside the sliding sleeve blow upwards, suction is generated at the bottom of the side tube, the spiral tube generates suction to the bottom of the tower barrel through the guide tube, external cold air enters the tower barrel through the top of the rotating sleeve, enters the guide tube through the one-way valve II, enters the side tube through the spiral tube, and is discharged outwards through the filter barrel, on one hand, sand dust adsorbed and filtered outside the filter barrel in the daytime can be cleaned, on the other hand, can cool off the peripheral soil of solenoid, guarantee solenoid periphery has lower temperature, and then when cooling down the operation daytime, can utilize microthermal beneath soil to cool down the air effectively, prevent to be unable to cool down the operation effectively to generating set because of air temperature is too high, improve cooling efficiency.

Further, this aerogenerator tower section of thick bamboo cooling body is when using, when the night temperature is lower, can make the air shrinkage in the sleeve, make the guide arm upwards attract by the air in the sleeve, and then make the guide arm drive shrouding rebound, seal the top of end cover, the bottom of end cover seals the bottom of end cover through check valve one under the suction of solenoid, end cover is buried underground simultaneously, utilize soil to keep warm the operation to end cover, prevent night or winter temperature low and influence generating set's normal operating, the work safety of guarantee generating set.

Drawings

FIG. 1 is a schematic structural view of a cooling mechanism for a tower of a wind turbine generator according to the present invention;

FIG. 2 is a sectional view of a cooling mechanism for a tower of a wind turbine according to the present invention;

FIG. 3 is a sectional view of a bottom cover of a cooling mechanism for a tower of a wind driven generator according to the present invention;

FIG. 4 is a cross-sectional view of a side tube of a cooling mechanism for a tower of a wind turbine according to the present invention;

FIG. 5 is a sectional plan view of a solenoid of a cooling mechanism for a tower of a wind turbine according to the present invention;

FIG. 6 is a schematic structural view of a slide rod of a cooling mechanism for a tower of a wind turbine generator according to the present invention;

FIG. 7 is a sectional view of a rotating sleeve of a cooling mechanism for a tower of a wind driven generator according to the present invention.

In the figure: 1. a tower drum; 2. a bottom cover; 3. rotating the sleeve; 4. a solenoid; 5. a side tube; 6. a filter cartridge; 7. a wind cup; 8. a conduit; 9. a one-way valve I; 10. a second one-way valve; 11. closing the plate; 12. a sleeve; 13. a guide bar; 14. a card sleeve; 15. a slide rod; 16. a sliding sleeve; 17. clamping the column; 18. a fan blade; 19. a top cap; 20. a strut; 21. a filter housing; 22. and a through hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 and 2, the cooling mechanism for a tower cylinder of a wind driven generator according to the present invention comprises a tower cylinder 1, a bottom cover 2 and a rotary sleeve 3, wherein the bottom cover 2 is welded at the bottom end of the tower cylinder 1, the rotary sleeve 3 is sleeved at the top end of the tower cylinder 1, two sides of the bottom cover 2 are welded with screw tubes 4, outer ends of the screw tubes 4 are welded with side tubes 5, top ends of the side tubes 5 are welded with filter cylinders 6, tops of the filter cylinders 6 are clamped with wind cups 7, tops of the screw tubes 4 are welded with guide pipes 8, inner sides of the screw tubes 4 are provided with one-way valves 9, inner sides of the guide pipes 8 are provided with one-way valves two 10, an inner side of the bottom cover 2 is clamped with a sealing plate 11, an inner wall of the tower cylinder 1 is welded with a sleeve 12, an inner side of the sleeve 12 is clamped with a guide rod 13, inner walls of the side tubes 5 are welded with a clamping sleeve 14, as shown in fig. 4 and 6, an inner side of the clamping sleeve 14 is clamped with a slide rod 15, an outer side sleeve of the slide rod 15 is sleeved with a sliding sleeve 16, a clamping column 17 is integrally formed on the slide rod 15, the fan blades 18 are welded on the outer side of the sliding sleeve 16, as shown in fig. 7, the top of the rotating sleeve 3 is clamped with the top cap 19, the bottom of the top cap 19 is welded with the supporting rod 20, the bottom of the top cap 19 is welded with the filter cover 21, the top of the rotating sleeve 3 is provided with the through hole 22, the bottom cover 2 and the spiral pipe 4 can be buried under the ground when the wind generating set is installed, the working temperature of the generator set on the inner side of the bottom cover 2 can be effectively reduced in high-temperature weather, heat can be preserved by utilizing ground soil in low-temperature weather, and the working safety of the wind generating set is guaranteed.

As shown in fig. 5, one end of the coil 4 communicates with both sides of the bottom cover 2, and the other end of the coil 4 is wound around the outside of the bottom cover 2 and communicates with the bottom ends of the side pipes 5.

As shown in fig. 3, the bottom end of the conduit 8 is communicated with the top of the spiral tube 4, the top end of the conduit 8 bypasses the bottom cover 2 and is communicated with the bottom of the tower tube 1, when the device is in operation, the tower tube 1 is used as a chimney, the principle of the chimney is utilized, when the device is at high temperature, the tower tube 1 generates suction force in the bottom cover 2 through the air pressure difference between the bottom and the top of the tower tube 1, so that the outside air is sucked into the side tube 5 through the filter cartridge 6 above the side tube 5, and then is introduced into the bottom cover 2 from the ground through the spiral tube 4, when the air flows into the bottom cover through the spiral tube 4, the heat in the air is effectively transferred to the soil under the ground by utilizing the heat in the air, after cooling the air, the air enters the bottom cover 2 through the one-way valve 9, after cooling the generator set in the bottom cover 2, enters the tower tube 1, and then is discharged outwards through the top of the rotary sleeve 3, and further under the condition of not consuming any electric energy, the cooling operation is carried out on the generator set, the power loss of wind power generation is reduced, and the efficiency of wind power generation is improved.

As shown in fig. 3, the top card of guide arm 13 is on the inner wall of sleeve 12, sleeve 12 and welding are passed at the bottom of guide arm 13 at the top of shrouding 11, the internal diameter at the top of end cover 2 is less than the internal diameter of the bottom of end cover 2, when night temperature is lower, can make the air shrink in the sleeve 12, make guide arm 13 upwards attract by the air in sleeve 12, and then make guide arm 13 drive shrouding 11 rebound, seal the top of end cover 2, the bottom of end cover 2 seals the bottom of end cover through check valve one 9 under the suction of screwed pipe 4, end cover 2 is buried underground simultaneously, utilize soil to carry out the heat preservation operation to end cover 2, prevent that night or winter temperature are low and influence generating set's normal operating, guarantee generating set's work safety.

As shown in fig. 4, the cutting sleeve 14 is welded at the center of the side pipe 5 through a bracket, the bottom end of the sliding rod 15 is clamped on the inner wall of the cutting sleeve 14, and the top end of the sliding rod 15 sequentially passes through the cutting sleeve 14, the sliding sleeve 16 and the filter cartridge 6 and is welded at the bottom of the wind cup 7.

As shown in fig. 4, the sliding sleeve 16 is mounted at the center of the side pipe 5 through a bearing, the fan blades 18 are evenly distributed on the outer wall of the sliding sleeve 16, and the inner diameter of the sliding sleeve 16 is larger than the outer diameter of the sliding rod 15.

As shown in fig. 4, the clamping column 17 is arranged at the top of the sliding sleeve 16, the top of the sliding sleeve 16 is provided with a bayonet, the clamping column 17 is matched with the bayonet, when the temperature is low at night or in winter, the air in the clamping sleeve 14 contracts when encountering cold, and the bottom end of the sliding rod 15 moves downwards in the clamping sleeve 14, so that the clamping column 17 on the sliding rod 15 moves downwards into the bayonet at the top of the sliding sleeve 16, when the wind cup 7 is blown by natural wind to rotate, the wind cup 7 drives the sliding rod 15 to rotate, as shown in fig. 6, so that the sliding rod 15 drives the sliding sleeve 16 to rotate through the clamping column 17, the fan blades 18 outside the sliding sleeve 16 blow upwards, and generate suction to the bottom of the side pipe 5, so that the outside cold air enters the tower 1 through the top of the rotating sleeve 3, then enters the guide pipe 8 through the two check valves 10, and the spiral pipe 4 enters the side pipe 5, and through straining a section of thick bamboo 6 and outwards discharging, on the one hand, can adsorb the dust that filters in the outside of straining a section of thick bamboo 6 daytime and clear up, on the other hand, can cool off the soil of solenoid 4 periphery, guarantee that the solenoid periphery has lower temperature, and then when carrying out the cooling operation daytime, can utilize microthermal beneath soil to cool down the air effectively, prevent to carry out the cooling operation effectively to generating set because of the air temperature is too high, improve cooling efficiency.

The rotating sleeve 3 is arranged at the top end of the tower barrel 1 through a bearing, and the rotating sleeve 3 is communicated with the tower barrel 1.

As shown in fig. 7, the top cap 19 is welded to the top of the rotary sleeve 3 by a support rod 20, and the diameter of the top cap 19 is larger than that of the top of the rotary sleeve 3.

As shown in fig. 7, the top welding of filter mantle 21 is in the bottom of hood 19, the bottom welding of filter mantle 21 is in the outside of changeing cover 3, through-hole 22 evenly distributed is on changeing cover 3, through-hole 22 sets up the inboard at filter mantle 21, can utilize hood 19 to protect changeing the top of cover 3 effectively, the rainwater falls in changeing cover 3 when preventing to rain, and then avoid the rainwater to cause harm to the generating set in tower section of thick bamboo 1 and the end cover 2 effectively, utilize filter mantle 21 to protect the top of rotary drum 3 simultaneously, prevent that the sand and dust from taking in the rotary drum 3, guarantee the work safety of the generating set in tower section of thick bamboo 2 and the end cover 1.

When the cooling and cooling mechanism of the tower barrel of the wind driven generator is installed, the bottom cover 2 and the spiral pipe 4 are buried under the ground, the blades of wind power generation are installed on the right side of the rotating sleeve, the transmission unit is installed in the tower barrel, the generator set is installed in the bottom cover, and therefore the working temperature of the generator set on the inner side of the bottom cover 2 can be effectively reduced in high-temperature weather, and the heat preservation can be carried out by utilizing ground soil in low-temperature weather, so that the working safety of the wind driven generator set is guaranteed, when in work, the tower barrel 1 is used as a chimney, the principle of the chimney is utilized, when in high temperature, the suction force is generated in the bottom cover 2 by the tower barrel 1 through the air pressure difference between the bottom and the top of the tower barrel 1, so that the outside air is sucked into the side pipe 5 through the filter barrel 6 above the side pipe 5 and then is introduced into the bottom cover 2 from the ground through the spiral pipe 4, when the air flows into the bottom cover through the spiral pipe 4, the heat in the air is effectively transferred to the underground soil, the air is cooled and cooled, then enters the bottom cover 2 through the one-way valve I9, the generator set in the bottom cover 2 is cooled and cooled, then enters the tower barrel 1, and is discharged outwards through the top of the rotating sleeve 3, so that the generator set can be cooled and cooled without consuming any electric energy, the power loss of wind power generation is reduced, the efficiency of wind power generation is improved, when the temperature is low at night or in winter, the air in the clamping sleeve 14 shrinks when encountering cold, and further the bottom end of the sliding rod 15 moves downwards in the clamping sleeve 14, so that the clamping column 17 on the sliding rod 15 moves downwards into the clamping opening at the top of the sliding sleeve 16, when the wind cup 7 is blown by natural wind to rotate, the wind cup 7 drives the sliding rod 15 to rotate, and further the sliding rod 15 drives the sliding sleeve 16 to rotate through the clamping column 17, so that the fan blades 18 outside the sliding sleeve 16 blow upwards to generate suction to the bottom of the side pipe 5, so that the spiral pipe 4 generates suction to the bottom of the tower barrel 1 through the guide pipe 8, outside cold air enters the tower barrel 1 through the top of the rotating sleeve 3, then enters the guide pipe 8 through the check valve II 10, then enters the side pipe 5 through the spiral pipe 4 and is discharged outwards through the filter barrel 6, on one hand, sand dust adsorbed and filtered outside the filter barrel 6 in daytime can be cleaned, on the other hand, soil around the spiral pipe 4 can be cooled, lower temperature around the spiral pipe is guaranteed, further, when cooling operation is performed in daytime, low-temperature soil below can be effectively utilized to cool air, the problem that the generator set cannot be effectively cooled due to overhigh air temperature is solved, the cooling efficiency is improved, when the air temperature is low at night, the air in the sleeve 12 can be contracted, make guide arm 13 upwards attract by the air in sleeve 12, and then make guide arm 13 drive shrouding 11 rebound, seal the top of end cover 2, the bottom of end cover 2 seals the bottom of end cover through check valve 9 under the suction of solenoid 4, end cover 2 is buried underground simultaneously, utilize soil to carry out the operation that keeps warm to end cover 2, prevent night or winter temperature and cross low and influence generating set's normal operating, ensure generating set's work safety.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.