CN214304191U

CN214304191U - Ventilation filter equipment and offshore wind power generation machine

Info

Publication number: CN214304191U
Application number: CN202120286311.4U
Authority: CN
Inventors: 俞国燕; 李少伟; 左仁意
Original assignee: Guangdong Ocean University; Southern Marine Science and Engineering Guangdong Laboratory Zhanjiang
Current assignee: Guangdong Ocean University; Southern Marine Science and Engineering Guangdong Laboratory Zhanjiang
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-09-28
Anticipated expiration: 2031-02-01

Abstract

The utility model provides a ventilation filter equipment and offshore wind power generation machine relates to wind power equipment technical field. The ventilation filtering device comprises a box body, a bidirectional fan, a filter and a controller, wherein an air inlet is formed in one end of the box body, the bidirectional fan is installed at the air inlet, the other end of the box body is communicated with the bottom of a tower of an offshore wind driven generator, the filter is installed inside the box body, the controller is installed on the box body and is connected with the bidirectional fan, and the controller is used for controlling the bidirectional fan. The offshore wind turbine generator employs the above-described ventilation and filtration device, and when foreign substances of cold air introduced into the box body are excessively accumulated on the filter to block the air inlet passage, the controller controls the bidirectional fan to rotate in reverse to wash out dust accumulated on the filter.

Description

Ventilation filter equipment and offshore wind power generation machine

Technical Field

The utility model relates to a wind power equipment technical field especially relates to a ventilation filter equipment and offshore wind power generation machine.

Background

The offshore wind power generation is less limited by the problems of noise and electromagnetic wave interference; wind energy is one of the clearest and most pollution-free renewable energy sources, does not occupy precious land resources, and does not relate to land utilization; the energy-saving environment-friendly energy-saving material does not generate harmful substances to cause environmental pollution, and has environmental protection value, so the energy-saving environment-friendly energy-saving material becomes renewable energy which is generally concerned by all countries in the world in recent years. The wind turbine generator system has large capacity, and high-power components and parts are arranged at the bottom in the tower barrel, so that a large amount of heat is generated in daily work, the temperature inside the tower barrel is increased, and if a ventilation and filtration device is not additionally arranged, the temperature is increased to a certain degree, and the normal operation of the generator set can be influenced.

The ventilation and filtration device is arranged in the tower cylinder body of the existing offshore wind driven generator and used for reducing the internal temperature of the wind power tower cylinder and ensuring the normal working temperature of components, but the filter impurity dust of the existing ventilation and filtration device accumulates to a certain extent and then influences the ventilation and filtration effect of the filter impurity dust, so that the internal temperature of the wind power tower cylinder rises, and salt mist in the air can corrode the wind power tower cylinder body and influence the normal work of the wind driven generator.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a ventilation filter equipment and offshore wind power generation machine to solve prior art, the filter impurity dust of ventilation filter equipment accumulates the problem that will influence its ventilation filter effect to a certain extent.

In order to achieve the above object, an embodiment of the present invention provides a ventilation filter device applied to an offshore wind turbine, the ventilation filter device includes a box body, a bidirectional fan, a filter and a controller, one end of the box body is provided with an air inlet, the bidirectional fan is installed at the air inlet, the other end of the box body is communicated with the bottom of a tower of the offshore wind turbine, the filter is installed in the inside of the box body, the controller is installed on the box body, and the controller is connected with the bidirectional fan, the controller is used for controlling the bidirectional fan.

As a further improvement of the above technical solution:

the ventilation and filtration device further comprises a residual chlorine analyzer, wherein the residual chlorine analyzer is installed at the other end of the box body and in the box body between the filters, the residual chlorine analyzer is connected with the controller, and the residual chlorine analyzer is used for detecting the concentration of chlorine in the box body.

The ventilation filter device further comprises a sealing baffle plate and a driving piece, wherein the sealing baffle plate is positioned between the other end of the box body and the residual chlorine analyzer, the sealing baffle plate is connected with the driving piece, and the driving piece is also connected with the controller;

when the residual chlorine analyzer detects that the concentration of chlorine in the box body exceeds a preset value, the controller controls the driving piece to close the sealing baffle, and the controller controls the bidirectional fan to rotate reversely.

The ventilation filter device further comprises a driving member.

The ventilation filter device further comprises a primary filter and a secondary filter, wherein the primary filter is used for filtering large-particle impurities, the secondary filter is used for filtering small-particle impurities, and the primary filter is located between the secondary filter and the bidirectional fan.

The ventilation filter device further comprises a first exhaust fan, and the first exhaust fan is mounted at the other end of the box body.

The ventilation filter device further comprises a second exhaust fan, and the second exhaust fan is mounted at the top of the tower drum of the offshore wind driven generator.

In the ventilation filter device, the box body is in an L-shaped structure.

In the above ventilation filter device, the filter is a filter net.

To achieve the above object, the embodiment of the present invention further provides an offshore wind turbine, including:

the above-mentioned ventilation filter device; and

and the ventilation and filtration device is arranged in the tower barrel.

The utility model discloses beneficial effect of embodiment:

the embodiment of the utility model provides a pair of ventilation filter equipment and offshore wind power generation machine, this ventilation filter equipment include box, two-way fan, filter and controller, and the one end of box is equipped with the air intake, and two-way fan is installed in air intake department, and the other end of box and offshore wind power generation machine's tower section of thick bamboo bottom are linked together, and the filter is installed in the inside of box, and the controller is installed on the box, and the controller links to each other with two-way fan, and the controller is used for controlling two-way fan. The offshore wind driven generator is provided with the ventilation and filtration device, when the offshore wind driven generator normally works, the controller controls the bidirectional fan to rotate in the forward direction, cold air on the sea surface is introduced into the box body, the cold air enters the tower barrel from the bottom of the tower barrel of the offshore wind driven generator after being filtered by the filter and is discharged from the top of the tower barrel of the offshore wind driven generator, therefore, a large amount of heat generated by high-power components arranged at the bottom of the tower barrel in daily work is discharged, the phenomenon that the temperature inside the tower barrel is too high to influence the normal work of the offshore wind driven generator is avoided, when impurities of the cold air introduced into the box body are excessively accumulated on the filter and the filter blocks an air inlet channel, the controller controls the bidirectional fan to rotate in the reverse direction, and accordingly dust accumulated on the filter is cleaned out.

In order to make the aforementioned and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a ventilation filter device according to an embodiment of the present invention;

fig. 2 is a top view of a ventilation filter assembly according to an embodiment of the present invention;

FIG. 3 shows a cross-sectional view of section A-A of FIG. 2;

fig. 4 shows a schematic diagram of a ventilation filter device according to an embodiment of the present invention.

Description of the main element symbols:

100-a box body; 110-an air inlet;

200-a bi-directional fan;

300-a filter; 310-primary filter; 320-a medium effect filter;

400-a controller;

500-residual chlorine analyzer;

600-sealing the baffle;

700-a driver;

800-a first exhaust fan;

900-second exhaust fan; 910-tower.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example one

Referring to fig. 1 and 4, the present embodiment provides a ventilation filter device, which is applied to an offshore wind turbine, and can automatically clean up foreign dust on a filter of the ventilation filter device when the foreign dust is accumulated to a certain degree on the filter.

In the ventilation filtering apparatus provided in this embodiment, the ventilation filtering apparatus includes a box 100, a bidirectional fan 200, a filter 300, and a controller 400, wherein an air inlet 110 is disposed at one end of the box 100, the bidirectional fan 200 is installed at the air inlet 110, the other end of the box 100 is communicated with the bottom of a tower 910 of an offshore wind turbine, the filter 300 is installed inside the box 100, the controller 400 is installed on the box 100, the controller 400 is connected to the bidirectional fan 200, and the controller 400 is used for controlling the bidirectional fan 200.

When the offshore wind turbine normally works, the controller 400 controls the bidirectional fan 200 to rotate in the forward direction, cold air on the sea surface is introduced into the box body 100, the cold air enters the tower 910 from the bottom of the tower 910 of the offshore wind turbine after being filtered by the filter 300 and is exhausted from the top of the tower 910 of the offshore wind turbine, and therefore high-power components arranged at the bottom of the tower 910 generate a large amount of heat to be exhausted under daily work, and the phenomenon that the normal work of the offshore wind turbine is affected due to overhigh temperature inside the tower 910 is avoided.

When foreign substances of the cool air introduced into the case 100 are excessively accumulated on the filter 300 to block the air intake passage by the filter 300, the controller 400 controls the bi-directional fan 200 to rotate in reverse to wash out the dust accumulated on the filter 300. After the bidirectional fan 200 rotates in the reverse direction, so that the airflow inside the box 100 flows in the reverse direction, and the dust accumulated on the filter 300 is cleaned, the controller 400 controls the bidirectional fan 200 to rotate in the forward direction, and heat dissipation is continued for the offshore wind turbine.

In some specific embodiments, the box body 100 is made of stainless steel, the box body 100 is of an L-shaped structure, the bidirectional fan 200 is fixedly mounted at the lower end of the L-shaped box body 100 through bolts, and the upper end of the L-shaped box body 100 is communicated with the bottom of the tower 910 of the offshore wind turbine; the controller 400 is a timing controller, and the timing controller controls the bidirectional fan 200 to rotate forward for a certain time and then rotate backward for a certain time.

Of course, it is understood that the box body 100 may be made of other materials, and the box body 100 may have other structures, as long as the bidirectional fan 200 can radiate heat inside the tower 910 of the offshore wind turbine; the controller 400 may be another type of controller, and it is only necessary to control the rotation direction of the bidirectional fan 200. The box body 100 is made of stainless steel, the box body 100 is of an L-shaped structure, the bidirectional fan 200 is fixedly installed at the lower end of the L-shaped box body 100 through bolts, and the upper end of the L-shaped box body 100 is communicated with the bottom of a tower 910 of the offshore wind turbine; the controller 400 is a timing controller, and the timing controller controls the bidirectional fan 200 to rotate forward for a certain time and then rotate backward for a certain time. The above-mentioned is only the preferred technical scheme of the utility model, it is not right the technical scheme of the utility model cause the unnecessary restriction, choose the box 100 that other materials were made for use, for the box 100 of other structures, choose for use other types of controller 400, all be within the protection scope of the utility model.

Example two

Referring to fig. 1 and fig. 2, an embodiment provides a ventilation filter device, and the ventilation filter device provided in this embodiment is an improvement of some structures on the basis of the ventilation filter device provided in the first embodiment, and compared with the ventilation filter device provided in the first embodiment, the improvement is as follows:

in the ventilation and filtration apparatus provided in this embodiment, please refer to fig. 4, the ventilation and filtration apparatus further includes a residual chlorine analyzer 500, the residual chlorine analyzer 500 is installed in the tank 100 between the other end of the tank 100 and the filter 300, the residual chlorine analyzer 500 is connected to the controller 400, and the residual chlorine analyzer 500 is used for detecting the concentration of chlorine in the tank 100.

When the impurities of the cold air introduced into the case 100 are excessively accumulated on the filter 300, the filter 300 blocks the air inlet passage, the concentration of chlorine in the air in the case 100 is increased due to the unsmooth ventilation, and therefore, the degree of blocking of the filter 300 can be determined by detecting the concentration of chlorine in the air in the case 100, the residual chlorine analyzer 500 is installed in the case 100 to detect the concentration of chlorine in the air in the case 100, and when the residual chlorine analyzer 500 detects that the concentration of chlorine in the case 100 exceeds a preset value, the controller 400 controls the bidirectional fan 200 to rotate in the reverse direction, so that the airflow in the case 100 flows in the reverse direction to clean out the dust accumulated on the filter 300.

In the ventilation filter device provided by this embodiment, the ventilation filter device further includes a sealing baffle 600 and a driving member 700, the sealing baffle 600 is located between the other end of the box 100 and the residual chlorine analyzer 500, the sealing baffle 600 is connected to the driving member 700, and the driving member 700 is further connected to the controller 400.

When the residual chlorine analyzer 500 detects that the concentration of chlorine in the box body 100 exceeds a preset value, the controller 400 controls the driving part 700 to close the sealing baffle 600, and the controller 400 controls the bidirectional fan 200 to rotate reversely; when the residual chlorine analyzer 500 detects that the concentration of chlorine in the tank 100 is lower than a preset value, the controller 400 controls the driving member 700 to open the sealing baffle 600, and the controller 400 controls the bidirectional fan 200 to rotate forward.

In some embodiments, the chlorine analyzer 500 is a chlorine concentration sensor, the chlorine analyzer 500 is mounted on the vertical sidewall of the L-shaped box 100, the driving member 700 is a driving motor, the driving motor drives the sealing baffle 600 to open or close, and the sealing baffle 600 is made of stainless steel.

Of course, it can be understood that other sensors may be used for the residual chlorine analyzer 500, the residual chlorine analyzer 500 may be installed at other positions of the L-shaped box 100, the driving member 700 may be other members, and only the sealing baffle 600 needs to be driven to open or close, and the sealing baffle 600 may be made of other materials. Chlorine concentration sensor is selected for use to chlorine analyzer 500, and chlorine analyzer 500 installs on the vertical lateral wall of L shape box 100, and driving piece 700 selects for use driving motor, and driving motor drive seal baffle 600 is opened or is closed, and seal baffle 600 selects for use stainless steel material to make. Above-mentioned only the utility model discloses an it is preferred technical scheme, it is not right the utility model discloses a technical scheme causes the unnecessary restriction, chooses for use the chlorine analyzer 500 that remains of other sensors, installs in the chlorine analyzer 500 that remains at other positions of L shape box 100, chooses for use the driving piece 700 of other components, chooses for use the seal baffle 600 that other materials were made, all is within the protection scope the utility model discloses a.

EXAMPLE III

Referring to fig. 3 and 4, an embodiment of the present invention provides a ventilation filter device, and the ventilation filter device provided in this embodiment is an improvement of some structures on the basis of the ventilation filter device provided in the first embodiment or the second embodiment, which is specifically improved as follows compared with the ventilation filter device provided in the first embodiment or the second embodiment:

in the ventilation filtering apparatus provided in this embodiment, the filter 300 includes a primary filter 310 and a secondary filter 320, the primary filter 310 is used for filtering large-sized impurities, the secondary filter 320 is used for filtering small-sized impurities, and the primary filter 310 is located between the secondary filter 320 and the bidirectional fan 200.

Because the ventilation filter device is applied to the offshore wind driven generator, the offshore air introduced by the bidirectional fan 200 contains more impurities, and therefore, the filter 300 with multiple different fineness is arranged to filter the introduced offshore air, so that the situation that the impurities in the introduced offshore air enter the tower 910 of the offshore wind driven generator to cause corrosion of the tower 910 can be avoided.

In the ventilation filtering apparatus provided in this embodiment, the ventilation filtering apparatus further includes a first exhaust fan 800 and a second exhaust fan 900, the first exhaust fan 800 is installed at the other end of the box 100, and the second exhaust fan 900 is installed at the top of the tower 910 of the offshore wind turbine.

The first exhaust fan 800 and the second exhaust fan 900 are arranged and matched with the bidirectional fan 200, so that the movement of cooling air flow is smoother, the movement speed of the cooling air flow is quicker, and the cooling efficiency of the offshore wind driven generator is improved.

In some embodiments, the filter 300 is made of a filter screen, the primary filter 310 and the secondary filter 320 are made of filter screens with different fineness to filter impurities in the introduced air at sea step by step, the first exhaust fan 800 and the second exhaust fan 900 are both made of one-way fans, the first exhaust fan 800 is fixedly installed at the other end of the box 100 by bolts, and the second exhaust fan 900 is fixedly installed at the top of the tower 910 of the wind turbine at sea by bolts.

Of course, it is understood that the filter 300 may have other configurations, the first exhaust fan 800 and the second exhaust fan 900 may have other types of fans, the first exhaust fan 800 may be fixedly mounted at the other end of the box 100 by other methods, and the second exhaust fan 900 may be fixedly mounted at the top of the tower 910 of the offshore wind turbine by other methods. The filter 300 is of a filter screen structure, the first exhaust fan 800 and the second exhaust fan 900 are both of one-way fans, the first exhaust fan 800 is fixedly mounted at the other end of the box body 100 through bolts, and the second exhaust fan 900 is fixedly mounted at the top of the tower 910 of the offshore wind turbine through bolts. The above-mentioned is only the utility model discloses an it is preferred technical scheme, it is not right the utility model discloses a technical scheme causes the unnecessary restriction, chooses for use the filter 300 of other structures, chooses for use the first exhaust fan 800 and the second exhaust fan 900 of other types of fan, through the first exhaust fan 800 of other modes fixed mounting in the box 100 other end, through the second exhaust fan 900 at other modes fixed mounting's tower section of thick bamboo 910 top at marine aerogenerator, all be within the protection scope of the utility model.

Example four

The embodiment provides an offshore wind turbine, and the ventilation and filtration device provided by the first embodiment, the second embodiment or the third embodiment is applied to the offshore wind turbine.

Specifically, the offshore wind turbine provided in this embodiment includes a tower 910, and the ventilation and filtration device provided in the first embodiment, the second embodiment, or the third embodiment is installed in the tower 910.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a ventilation filter equipment, its characterized in that is applied to offshore wind power generation machine, ventilation filter equipment includes box, two-way fan, filter and controller, the one end of box is equipped with the air intake, two-way fan install in air intake department, the other end of box with offshore wind power generation machine's tower section of thick bamboo bottom communicates, the filter install in the inside of box, the controller install in on the box, just the controller with two-way fan links to each other, the controller is used for control two-way fan.

2. The ventilation filtering device as claimed in claim 1, further comprising a residual chlorine analyzer, wherein the residual chlorine analyzer is installed in the box between the other end of the box and the filter, and is connected to the controller, and the residual chlorine analyzer is used for detecting the concentration of chlorine in the box.

3. The ventilation filtering device as claimed in claim 2, further comprising a sealing baffle plate and a driving member, wherein the sealing baffle plate is positioned between the other end of the box body and the residual chlorine analyzer, the sealing baffle plate is connected with the driving member, and the driving member is further connected with the controller;

4. The ventilation filtering device of claim 3, wherein the drive member comprises a drive motor.

5. The ventilation filtering device of claim 1, wherein the filter comprises a primary filter for filtering large particles of impurities and a secondary filter for filtering small particles of impurities, the primary filter being located between the secondary filter and the bi-directional fan.

6. The ventilation filtering device of claim 1, further comprising a first exhaust fan mounted to the other end of the housing.

7. The ventilation filtering device of claim 1, further comprising a second exhaust fan mounted on top of the tower of the offshore wind turbine.

8. The ventilation filtering device of claim 1, wherein the box is of L-shaped configuration.

9. The ventilation filtering device of claim 1, wherein the filter is a filter screen.

10. An offshore wind turbine, comprising:

the ventilation filter unit defined in any one of claims 1 to 9; and

and the ventilation and filtration device is arranged in the tower barrel.