Mechanical centrifugal device for vertical axis fan

Abstract

The invention provides a mechanical centrifugal device for a vertical axis fan. The mechanical centrifugal device comprises a base, a sleeve, a columnar part, a conductive part, an elastic part, a first conductive contact pin and a second conductive contact pin. The sleeve is arranged on the base and comprises a central axis, and the central axis of the sleeve is approximately horizontally arranged; wherein at least two rows of through hole groups are formed in the axis direction of the sleeve; each row of through hole group comprises a plurality of through holes, and the positions of the through holes in the two rows of through hole groups in the central axis direction of the sleeve are corresponding; the columnar part is arranged in the sleeve in a sliding manner; the conductive part is fixed to the columnar part, and when the columnar part moves in the central axis direction of the sleeve, the conductive part can move into the sleeve along with the columnar part; one end of the elastic component is fixed on the base, and the other end is fixed on the columnar component; the first conductive pin is inserted into the through hole of one through hole group of the sleeve; and the second conductive pin is inserted into the through hole of the other through hole group of the sleeve.

Description

Technical Field

[0001] The present disclosure relates to a mechanical centrifugal device for a vertical axis fan. Background Art

[0002] A major limiting factor in the effective use of wind energy is its instability. In reality, wind turbines operate in much worse environmental conditions than conventional generators. Wind turbines are exposed to an open and uncontrolled environment. Therefore, their power generation depends on variables such as wind direction, local air density, and weather conditions.

[0003] In modern engineering, the cut-off speed is the maximum wind speed allowed by a wind turbine. Wind turbines are designed to slow down or even shut down when the speed reaches the cut-off speed. In addition, the minimum wind speed required for a wind turbine to generate electricity is called the access speed. If the energy input to the wind turbine is too low, the wind turbine will not reach the starting torque and will also be unable to start running. In order to protect the wind turbine, traditional wind turbines are affected by the access speed and the cut-off speed, resulting in a relatively high probability of power outages, which significantly affects the energy conversion efficiency of the wind farm. Summary of the invention

[0004] The present disclosure provides a mechanical centrifugal device for a vertical axis fan.

[0005] According to one aspect of the present disclosure, there is provided a mechanical centrifugal device for a vertical axis fan, comprising: Base; A sleeve, the sleeve is arranged on the base, and the sleeve comprises a central axis, and the central axis of the sleeve is arranged substantially horizontally; wherein at least two rows of through hole groups are opened along the axial direction of the sleeve; each row of through hole groups comprises a plurality of through holes, and the positions of the through holes in the two rows of through hole groups in the direction of the central axis of the sleeve correspond; A columnar component, wherein the columnar component is slidably disposed in the sleeve; A conductive component, the conductive component is fixed to the columnar component, and when the columnar component moves along the central axis direction of the sleeve, the conductive component can move with the columnar component to the inside of the sleeve; an elastic component, one end of which is fixed to the base, and the other end of which is fixed to the columnar component; and A first conductive pin, the first conductive pin being inserted into a through hole of a through hole group of the sleeve; and A second conductive pin is inserted into a through hole of another through hole group of the sleeve.

[0006] According to the mechanical centrifugal device for a vertical axis fan of at least one embodiment of the present disclosure, when the conductive component moves into the through hole of the sleeve, the first conductive pin and the second conductive pin can form a circuit connection through the conductive component.

[0007] According to at least one embodiment of the mechanical centrifugal device for a vertical axis fan of the present disclosure, a groove is formed on the inner surface of the sleeve along its central axis, a rolling body is arranged in the groove, and the columnar component is supported by the sleeve through the rolling body.

[0008] According to at least one embodiment of the present disclosure, a mechanical centrifugal device for a vertical axis fan is installed on a turntable of the vertical axis fan. When the turntable rotates, the columnar component slides relative to the sleeve under the action of centrifugal force.

[0009] According to at least one embodiment of the present disclosure, a mechanical centrifugal device for a vertical axis fan forms a circuit connection between the first conductive pin and the second conductive pin by inserting the first conductive pin and the second conductive pin into different through holes of a through hole group to allow different centrifugal forces. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.

[0011] Figure 1 It is a schematic structural diagram of a mechanical centrifugal device for a vertical axis fan according to one embodiment of the present disclosure.

[0012] Figure 2 It is a schematic cross-sectional structural diagram of a mechanical centrifugal device for a vertical axis fan according to one embodiment of the present disclosure.

[0013] Figure 3 It is a schematic diagram of the exploded structure of a mechanical centrifugal device for a vertical axis fan according to one embodiment of the present disclosure.

[0014] Figure 4 It is a schematic structural diagram of a vertical axis fan according to one embodiment of the present disclosure.

[0015] The specific reference numerals in the figure are: 1 Sleeve 3 Conductive parts 4 Columnar parts 5 Elastic components 6 Base 7 Through holes 8 Rolling elements 9 H-type rotor 10 Mechanical centrifuge 11 Vertical axis fan 13. Disk Generator 21 First conductive pin 22 Second conductive pin. DETAILED DESCRIPTION

[0016] The present disclosure is further described in detail below in conjunction with the accompanying drawings and implementations. It is understood that the specific implementations described herein are only used to explain the relevant content, rather than to limit the present disclosure. It should also be noted that, for ease of description, only the parts related to the present disclosure are shown in the accompanying drawings.

[0017] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in the present disclosure can be combined with each other. The technical solution of the present disclosure will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0018] Unless otherwise specified, the exemplary embodiments / embodiments shown will be understood as providing exemplary features of various details of some ways in which the technical concept of the present disclosure can be implemented in practice. Therefore, unless otherwise specified, the features of the various embodiments / embodiments can be combined, separated, interchanged and / or rearranged without departing from the technical concept of the present disclosure.

[0019] The use of cross-hatching and / or shading in the accompanying drawings is generally used to make the boundaries between adjacent components clear. As such, unless otherwise specified, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for the specific materials, material properties, dimensions, proportions, commonalities between the components shown, and / or any other characteristics, attributes, properties, etc. of the components. In addition, in the accompanying drawings, the sizes and relative sizes of the components may be exaggerated for clarity and / or descriptive purposes. When the exemplary embodiments can be implemented differently, the specific process sequence can be performed in a different order than described. For example, two successively described processes can be performed substantially simultaneously or in an order opposite to the described order. In addition, the same figure numbers represent the same components.

[0020] When a component is referred to as being "on" or "over," "connected to," or "coupled to" another component, the component may be directly on, directly connected to, or directly coupled to the other component, or intervening components may be present. However, when a component is referred to as being "directly on," "directly connected to," or "directly coupled to" another component, there are no intervening components. For this purpose, the term "connected" may refer to a physical connection, an electrical connection, etc., with or without intervening components.

[0021] For descriptive purposes, the present disclosure may use spatially relative terms such as "under," "beneath," "under," "down," "over," "upper," "above," "higher," and "side (e.g., as in "sidewall")," to describe the relationship of one component to another (other) component as shown in the accompanying drawings. The spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, components described as "under" or "beneath" other components or features would subsequently be positioned "over" the other components or features. Thus, the exemplary term "under" can encompass both the "above" and "below" orientations. Furthermore, the device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein should be interpreted accordingly.

[0022] The terms used here are for the purpose of describing specific embodiments, and are not intended to be restrictive. As used here, unless the context clearly indicates otherwise, the singular forms "one (kind, person)" and "said (the)" are also intended to include plural forms. In addition, when the terms "comprise" and / or "include" and their variations are used in this specification, it is explained that there are stated features, integral bodies, steps, operations, parts, assemblies and / or their groups, but it is not excluded that there are or add one or more other features, integral bodies, steps, operations, parts, assemblies and / or their groups. It should also be noted that, as used here, the terms "substantially", "approximately" and other similar terms are used as approximate terms and not as degree terms, so that they are used to explain the inherent deviations of the measured values, calculated values ​​and / or the values ​​provided that will be recognized by those of ordinary skill in the art.

[0023] Figure 1 It is a schematic structural diagram of a mechanical centrifugal device for a vertical axis fan according to one embodiment of the present disclosure. Figure 2 It is a schematic cross-sectional structural diagram of a mechanical centrifugal device for a vertical axis fan according to one embodiment of the present disclosure. Figure 3 It is a schematic diagram of the exploded structure of a mechanical centrifugal device for a vertical axis fan according to one embodiment of the present disclosure. Figure 4 It is a schematic structural diagram of a vertical axis fan according to one embodiment of the present disclosure.

[0024] like Figures 1 to 4As shown, the vertical axis wind turbine is composed of an H-shaped rotor 9, a mechanical centrifugal device 10 and a disc generator 13. The H-shaped rotor 9 serves as the energy input end of the disc generator 13, converting the movement of wind into rotational movement and inputting wind energy into the disc generator 13. The rotation center of a set of mechanical centrifugal devices 10 below the H-shaped rotor 9 is the main shaft of the disc generator, so the main shaft speed of the disc generator can be used as the critical speed for real-time adjustment.

[0025] In the present disclosure, the number of the group of mechanical centrifugal devices 10 can be related to the number of coils of the vertical axis fan 11. Specifically, a group of mechanical centrifugal devices 10 can be set to four, and the coils inside the generator are divided into five groups. Four of the five groups of coils are respectively connected to a mechanical centrifugal device 10, that is, the two ends of the coil are respectively connected to the first conductive pin 21 and the second conductive pin 22, so that the connection and disconnection of the coil can be adaptively controlled according to the wind speed and rotation speed.

[0026] Refer to Figure 1 and Figure 4 The mechanical centrifugal device for a vertical axis fan includes: a base 6, a sleeve 1, a columnar component 4, a conductive component 3, an elastic component 5, a first conductive pin 21 and a second conductive pin 22.

[0027] The base 6 is used to support all parts. The sleeve 1 is arranged on the base 6, and the sleeve 1 includes a central axis, and the central axis of the sleeve 1 is arranged substantially horizontally; wherein at least two rows of through hole groups are opened along the axis direction of the sleeve 1; each row of through hole groups includes a plurality of through holes, and the through holes in the two rows of through hole groups correspond in position in the direction of the central axis of the sleeve 1.

[0028] In the present disclosure, the position correspondence of the through holes in two columns of through hole groups in the direction of the central axis of the sleeve 1 means that there is a through hole in each column of the through hole group on a plane perpendicular to the central axis of the sleeve 1 .

[0029] The columnar component 4 is a glass fiber cylinder, and the columnar component 4 is slidably disposed in the sleeve 1; specifically, the inner surface of the sleeve 1 is provided with a groove along the central axis direction thereof, and a rolling body 8 is disposed in the groove, and the columnar component 4 is supported by the sleeve 1 through the rolling body 8. In a preferred embodiment, the number of the grooves is four, and the four grooves are evenly distributed along the circumference of the sleeve 1. Moreover, the rolling body 8 can be a magnetic bead.

[0030] The conductive component 3 is fixed to the columnar component 4 , and when the columnar component 4 moves along the central axis direction of the sleeve 1 , the conductive component 3 can move into the interior of the sleeve 1 along with the columnar component 4 .

[0031] Specifically, the sleeve 1 is installed at one end of the base 6 in the length direction, and the columnar component 4 is connected to the other end of the base 6 through the elastic component 5, so that one end of the elastic component 5 is fixed to the base 6, and the other end is fixed to the columnar component 4; at this time, the conductive component 3 is arranged close to the other end of the base 6.

[0032] In a preferred embodiment, the conductive component 3 is disposed near the other end of the base 6, and in the initial state, the conductive component 3 is located outside the sleeve 1; when the mechanical centrifugal device is subjected to the centrifugal force, the conductive component 3 will move to the inside of the sleeve 1. In addition, when the centrifugal force disappears, the conductive component 3 will return to the outside of the sleeve 1 under the pulling force applied by the elastic component 5.

[0033] In the present disclosure, the conductive component 3 may be a copper ring. The elastic component 5 may be a flexible rope. When the speed of the fan decreases, the flexible rope provides a restoring force for the columnar component 4 to return to its initial position, and at the same time, the coil controlled by the module exits the fan.

[0034] The first conductive pin 21 is inserted into a through hole of one through hole group of the sleeve 1; and the second conductive pin 22 is inserted into a through hole of another through hole group of the sleeve 1. The first conductive pin 21 and the second conductive pin 22 of the present disclosure can be provided in plurality, so that when the centrifugal force is within a certain range, the first conductive pin 21 and the second conductive pin 22 can always be connected to the conductive component 3. In addition, the first conductive pin 21 and the second conductive pin can be inserted into different through holes of the through hole group.

[0035] Therefore, the mechanical centrifugal device for a vertical axis fan disclosed in the present invention can convert the rotational motion of the generator main shaft and the rotational motion of the blades into linear reciprocating motion, thereby realizing the adaptive connection and disconnection of the internal coils of the generator. The mechanical centrifugal device of the present invention enables the fan to change the number of internal coils according to the real-time rotation speed of the generator main shaft and the real-time wind speed outside, thereby broadening the working wind speed range of the fan. At the same time, it can be at its own optimal power generation efficiency in different wind speed ranges. The specific adjustment rules can be pre-experimented for different fans, and an offline query table can be obtained through a fuzzy algorithm. The adjustment method of this module belongs to mechanical offline adaptive adjustment, which does not require the consumption of additional electrical energy. In addition, the mechanical adjustment method has a simple and reliable structure, stable operation, and a long service life.

[0036] In the present disclosure, the first conductive pin 21 and the second conductive pin 22 can both be spring pins, and one end of the spring pin extends into the interior of the sleeve 1, so that the spring pin can contact the conductive component 3. In other words, when the conductive component 3 moves into the through hole of the sleeve 1, the first conductive pin 21 and the second conductive pin 22 can form a circuit connection through the conductive component 3.

[0037] When the mechanical centrifugal device of the present invention is in use, the base 6 can be fixed to the turntable of the vertical axis fan, so that the mechanical centrifugal device can be installed on the turntable of the vertical axis fan. When the turntable rotates, the columnar component 4 slides relative to the sleeve 1 under the action of centrifugal force.

[0038] The first conductive pin 21 and the second conductive pin 22 are inserted into different through holes of the through hole group to allow different centrifugal forces so that a circuit connection is formed between the first conductive pin 21 and the second conductive pin 22 .

[0039] Therefore, the mechanical centrifugal device for vertical axis wind turbine disclosed in the present invention can realize the adaptive connection and disconnection of the coil inside the wind turbine according to different rotation speeds and wind speeds, and change the size of the electromagnetic damping inside the wind turbine by changing the number of coils to adapt to different wind speed sections, broaden the working range of the wind turbine and improve the energy conversion efficiency of each wind speed section. It effectively solves the problems of low wind speed shutdown and medium and high wind speed inefficiency of wind power plants.

[0040] The mechanical centrifugal device used in vertical axis wind turbines can adaptively adjust the number of coils inside the wind turbine according to the real-time wind speed and the real-time speed of the generator main shaft. The ultimate goal is to adjust the internal electromagnetic damping so that the wind turbine has a higher energy conversion efficiency at different wind speeds. At the same time, it broadens the working range of the wind turbine and reduces the probability of downtime. The adaptive adjustment process is completed by the mechanical centrifugal device, which is smooth and stable, easy to install, has a long service life, and does not consume additional electricity during the adjustment process.

[0041] In the description of this specification, the description with reference to the terms "one embodiment / method", "some embodiments / methods", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment / method or example are included in at least one embodiment / method or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment / method or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments / methods or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments / methods or examples described in this specification and the features of the different embodiments / methods or examples, unless they are contradictory.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0043] Those skilled in the art should understand that the above embodiments are only for the purpose of clearly illustrating the present disclosure, and are not intended to limit the scope of the present disclosure. For those skilled in the art, other changes or modifications may be made based on the above disclosure, and these changes or modifications are still within the scope of the present disclosure.

Claims

1. A mechanical centrifugal device for a vertical axis fan, characterized in that: include: Base; A sleeve, the sleeve is arranged on the base, and the sleeve comprises a central axis, and the central axis of the sleeve is arranged substantially horizontally; wherein at least two rows of through hole groups are opened along the axial direction of the sleeve; each row of through hole groups comprises a plurality of through holes, and the positions of the through holes in the two rows of through hole groups in the direction of the central axis of the sleeve correspond; A columnar component, wherein the columnar component is slidably disposed in the sleeve; A conductive component, the conductive component is fixed to the columnar component, and when the columnar component moves along the central axis direction of the sleeve, the conductive component can move with the columnar component to the inside of the sleeve; an elastic component, one end of which is fixed to the base, and the other end of which is fixed to the columnar component; and A first conductive pin, the first conductive pin being inserted into a through hole of a through hole group of the sleeve; and A second conductive pin is inserted into a through hole of another through hole group of the sleeve.

2. The mechanical centrifugal device for a vertical axis fan according to claim 1, characterized in that: When the conductive component moves into the through hole of the sleeve, the first conductive pin and the second conductive pin can form a circuit connection through the conductive component.

3. The mechanical centrifugal device for a vertical axis fan according to claim 1, characterized in that: The inner surface of the sleeve is provided with a groove along the central axis direction thereof, a rolling body is arranged in the groove, and the columnar component is supported by the sleeve through the rolling body.

4. The mechanical centrifugal device for a vertical axis fan according to claim 1, characterized in that: The mechanical centrifugal device is installed on the turntable of the vertical axis fan. When the turntable rotates, the columnar component slides relative to the sleeve under the action of centrifugal force.

5. The mechanical centrifugal device for a vertical axis fan according to claim 4, characterized in that: The first conductive pin and the second conductive pin are inserted into different through holes of the through hole group to allow different centrifugal forces so that a circuit connection is formed between the first conductive pin and the second conductive pin.

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