Power generation device

Abstract

The power generation device comprises a shell structure and a power generation structure, the shell structure comprises a first shell and a second shell which are connected with each other, the first shell is provided with a first cavity with the two ends being provided with first openings, and the second shell is provided with a second cavity with the two ends being provided with second openings; a mounting part is arranged between the first shell and the second shell, and the mounting part is suitable for communicating the first cavity and the second cavity; the power generation structure is arranged in the mounting part; wherein the first shell is of a structure with the two ends thick and the middle gradually thinned, so that the air speed of air in the first cavity is increased, low pressure is generated in the first cavity, and the low pressure in the first cavity is suitable for accelerating blowing of air into the first cavity from the second cavity. According to the power generation device of the structure, the power generation efficiency of the power generation structure can be improved, and the power generation structure can be protected through the shell structure so that the power generation structure can be prevented from being damaged by external rain, bird damage and the like.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power generation, and in particular to a power generation device. Background Art

[0002] With the global traditional energy shortage, countries around the world are paying more and more attention to the use of various renewable clean energy. Wind power generation does not have fuel problems, nor does it produce radiation and environmental pollution. It is inexhaustible. The current wind power generation technology is relatively mature. It uses wind power to blow the blades to rotate, converting wind energy into mechanical energy to drive the power generation device to work, thereby generating usable electricity.

[0003] In the prior art, traditional wind power generation devices are mostly suitable for areas with strong winds, while in cities or low wind speed areas, their power generation efficiency drops significantly. The energy capture efficiency of traditional wind power generation devices in light wind environments is generally low, which limits their widespread application in areas where wind energy resources are relatively dispersed or wind speeds are low. This is mainly because the design of traditional wind turbines often focuses on performance optimization under medium and high wind speed conditions, while under low wind speed conditions, their blades rotate slowly and have low output power, resulting in low overall power generation efficiency. At the same time, since traditional wind turbine blades are often exposed to the external environment, they are dangerous and easily affected by the external environment. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defects of the existing power generation device that it cannot guarantee the power generation efficiency under low wind speed conditions and the blades exposed to the outside are also easily damaged.

[0005] To this end, the present invention provides a power generation device, comprising:

[0006] A shell structure, comprising a first shell and a second shell connected to each other, wherein the first shell has a first cavity with first openings at both ends, and the second shell has a second cavity with second openings at both ends, and a mounting portion is provided between the first shell and the second shell, and the mounting portion is suitable for connecting the first cavity and the second cavity;

[0007] A power generation structure, wherein the power generation structure is arranged in the installation portion, and when there is wind, the wind is suitable for blowing into the first cavity or the second cavity through one of the first openings or the second openings, and blowing out of the first cavity or the second cavity through another of the first openings or the second openings. During the blowing process, the wind is suitable for blowing into the first cavity from the second cavity through the installation portion, so as to provide wind force to the power generation structure and enable the power generation structure to generate electricity;

[0008] Among them, the first shell has a structure that is thick at both ends and gradually becomes thinner in the middle, so as to increase the wind speed in the first cavity and generate low pressure in the first cavity. The low pressure in the first cavity is suitable for accelerating the wind from the second cavity into the first cavity.

[0009] Optionally, in the above-mentioned power generation device, the second shell has a structure that is thin at both ends and gradually becomes thicker in the middle, so as to reduce the wind speed in the second cavity and generate high pressure in the second cavity.

[0010] Optionally, in the above-mentioned power generation device, the power generation structure includes a rotating member and a power generation member, the power generation member is arranged in the installation portion, and the rotating member is rotatably arranged on the power generation member.

[0011] Optionally, in the above-mentioned power generation device, the shell structure further includes a connecting member, the connecting member is arranged between the first shell and the second shell, and the mounting portion is provided on the connecting member.

[0012] Optionally, the above-mentioned power generation device further includes a supporting structure, wherein the supporting structure is suitable for being arranged on the ground, and a side of the second shell away from the first shell is rotatably connected to the supporting structure.

[0013] Optionally, in the above-mentioned power generation device, the support structure includes a support seat and a rotating member, the support seat is suitable for being set on the ground, the rotating member is rotatably set on the support seat, and the second shell is connected to the rotating member at a side away from the first shell.

[0014] Optionally, in the above-mentioned power generation device, the communication direction between the two first openings is the same as the communication direction between the two second openings, so that wind blows into the first cavity and the second cavity at the same time.

[0015] Optionally, the above-mentioned power generation device further includes an adjusting structure, one end of which is connected to a side of the first shell away from the second shell, so that under the action of wind, the adjusting structure drives the shell structure to rotate relative to the supporting structure.

[0016] Optionally, in the above-mentioned power generation device, the adjustment structure includes an adjustment member, the adjustment member is connected to a side of the first shell away from the second shell, and an extension direction of the adjustment member is the same as a communication direction of the two openings.

[0017] Optionally, in the above-mentioned power generation device, the adjustment structure further comprises a transition piece, one end of the transition piece is connected to a side of the first shell away from the second shell, and the other end is connected to the adjustment piece.

[0018] The technical solution provided by the present invention has the following advantages:

[0019] 1. The power generation device provided by the present invention has a power generation structure arranged on a shell structure, and the shell structure includes a first shell and a second shell connected to each other, wherein the first shell has a first cavity with first openings at both ends, and the second shell has a second cavity with second openings at both ends, and a mounting portion is provided between the first shell and the second shell, and the mounting portion can connect the first cavity and the second cavity, and the power generation structure is specifically arranged in the mounting portion, so that when there is wind, the wind can blow into the first cavity and the second cavity from one of the first openings and the second openings respectively, and the wind can also blow out of the first cavity and the second cavity from the other first opening and the second opening respectively, and when the wind blows in the first cavity and the second cavity, the wind can blow from the second cavity into the first cavity through the mounting portion, so that the wind can pass through the power generation structure arranged in the mounting portion, and then provide wind power for the power generation structure, so that it can generate electricity; specifically, the first shell has a structure that is thick at both ends and gradually becomes thin in the middle, so that when the wind blows into the first cavity from one of the first openings When in the cavity, since the flow range of the wind becomes smaller, the wind speed in the first cavity can be accelerated, and through the Bernoulli principle to accelerate the airflow principle, a low pressure can be formed in the first cavity, while the wind speed of the wind in the second cavity does not change, so the pressure of the second cavity is in a state, and then when the wind blows into the first cavity from the second cavity through the mounting portion, the low pressure in the first cavity can accelerate the wind speed, so that the power generation structure can receive more wind force, which is beneficial to improve the power generation efficiency of the power generation structure; in addition, since the wind can be accelerated when it blows into the first cavity from one of the first openings, the wind speed of a breeze with a lower wind speed can be accelerated when it blows into the first cavity, and the breeze can also provide sufficient wind force to the power generation structure in the power generation device provided in this embodiment, so that it can generate electricity normally. At the same time, by arranging the power generation structure in the mounting portion between the first shell and the second shell, the shell structure can provide protection for the power generation structure to prevent the power generation structure from being damaged by the outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic structural diagram of a power generation device provided in an embodiment of the present invention;

[0022] Figure 2 A schematic plan view of a power generation device provided in an embodiment of the present invention;

[0023] Description of reference numerals:

[0024] 1-housing structure; 11-first housing; 12-second housing; 13-connecting member; 131-installation portion;

[0025] 2-power generation structure; 21-rotating member; 22-power generation member;

[0026] 3-support structure; 31-support seat; 32-rotating member;

[0027] 4-adjustment structure; 41-adjustment part; 42-adapter. DETAILED DESCRIPTION

[0028] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0032] Example

[0033] This embodiment provides a power generation device, such as Figure 1 and Figure 2As shown, it includes a shell structure 1 and a power generation structure 2. The shell structure 1 includes a first shell 11 and a second shell 12 connected to each other. The first shell 11 has a first cavity with first openings at both ends, and the second shell 12 has a second cavity with second openings at both ends. A mounting portion 131 is provided between the first shell 11 and the second shell 12, and the mounting portion 131 is suitable for connecting the first cavity and the second cavity; the power generation structure 2 is arranged in the mounting portion 131. When there is wind, the wind is suitable for blowing into the first cavity or the second cavity through a first opening or a second opening, and blowing out of the first cavity or the second cavity through another first opening or a second opening. During the blowing process, the wind is suitable for blowing from the second cavity into the first cavity through the mounting portion 131, so as to provide wind force to the power generation structure 2 and enable the power generation structure 2 to generate electricity; wherein, the first shell 11 is thick at both ends and gradually becomes thinner in the middle, so as to accelerate the wind speed in the first cavity and generate low pressure in the first cavity, and the low pressure in the first cavity is suitable for accelerating the wind from the second cavity into the first cavity.

[0034] The power generation device of the above structure is provided with a power generation structure 2 on a shell structure 1, and the shell structure 1 includes a first shell 11 and a second shell 12 connected to each other, wherein the first shell 11 has a first cavity with first openings at both ends, and the second shell 12 has a second cavity with second openings at both ends, and a mounting portion 131 is provided between the first shell 11 and the second shell 12. The mounting portion 131 is a mounting hole in this embodiment, and the mounting portion 131 can connect the first cavity and the second cavity. The power generation structure 2 is specifically arranged in the mounting portion 131, so that when there is wind, the wind can blow into the first cavity and the second cavity from one of the first openings and the second opening respectively, and the wind can also blow out of the first cavity and the second cavity from the other first opening and the second opening respectively, and when the wind blows in the first cavity and the second cavity, the wind can blow from the second cavity into the first cavity through the mounting portion 131, so that the wind can pass through the power generation structure 2 arranged in the mounting portion 131, and then provide wind power for the power generation structure 2, so that it can generate electricity.

[0035] Specifically, the first shell 11 has a structure that is thick at both ends and gradually becomes thinner in the middle. Therefore, when wind blows into the first cavity from one of the first openings, the flow range of the wind becomes smaller, so that the wind speed in the first cavity can be accelerated, and through the Bernoulli principle to accelerate the airflow principle, a low pressure can be formed in the first cavity, while the wind speed in the second cavity does not change. Therefore, the pressure in the second cavity is in a state, and then when the wind blows into the first cavity from the second cavity through the mounting portion 131, the low pressure in the first cavity can accelerate the wind speed, so that the power generation structure 2 can receive more wind force, which is beneficial to improve the power generation efficiency of the power generation structure 2.

[0036] In addition, since the wind speed can be accelerated when it blows into the first cavity from one of the first openings, the wind speed of a breeze with a lower wind speed can be accelerated when it blows into the first cavity, so that the breeze can also provide sufficient wind force to the power generation structure 2 in the power generation device provided in this embodiment, so that it can generate electricity normally. At the same time, by arranging the power generation structure 2 in the installation portion 131 between the first shell 11 and the second shell 12, the shell structure 1 can provide protection for the power generation structure 2 to prevent the power generation structure 2 from being damaged by the outside.

[0037] The power generation device provided in this embodiment is as follows: Figure 1 and Figure 2 As shown, the second shell 12 has a structure with thin ends and gradually thickened in the middle, so as to reduce the wind speed in the second cavity and generate high pressure in the second cavity.

[0038] The power generation device of the above structure is provided with a second shell 12 with a structure that is thin at both ends and gradually thickens in the middle. Therefore, when the wind blows into the second cavity from one of the second openings, the flow range of the wind becomes larger, so that the wind speed in the second cavity can be slowed down, and through the Bernoulli principle to accelerate the airflow principle, high pressure can be formed in the second cavity, while low pressure is formed in the first cavity. Therefore, when the wind in the second cavity is blown into the first cavity through the mounting portion 131, the wind is blown from a high-pressure environment to a low-pressure environment, so that the wind speed can be further accelerated, and then the power generation structure 2 arranged in the mounting portion 131 can receive more wind force, which is beneficial to further improve the power generation efficiency of the power generation structure 2.

[0039] The power generation device provided in this embodiment is as follows: Figure 2 As shown, the power generation structure 2 includes a rotating member 21 and a power generation member 22 . The power generation member 22 is disposed in the mounting portion 131 , and the rotating member 21 is rotatably disposed on the power generation member 22 .

[0040] The power generation device of the above structure includes a rotating part 21 and a power generation part 22 by setting a power generation structure 2. The rotating part 21 and the power generation part 22 are blades and a generator respectively in this embodiment, wherein the power generation part 22 is arranged in the installation part 131, and the rotating part 21 is rotatably arranged on the power generation part 22. Therefore, when the wind in the second cavity blows into the first cavity through the installation part 131, the wind can drive the rotating part 21 to rotate relative to the power generation part 22, thereby enabling the rotating part 21 to drive the action end of the power generation part 22 to rotate, and enabling the power generation part 22 to generate electricity.

[0041] The power generation device provided in this embodiment is as follows: Figure 2 As shown, the housing structure 1 further includes a connecting member 13 , which is disposed between the first housing 11 and the second housing 12 , and a mounting portion 131 is provided on the connecting member 13 .

[0042] The power generation device of the above structure also includes a connecting member 13 by setting the shell structure 1. The connecting member 13 is a connecting plate in this embodiment. The connecting member 13 is specifically arranged between the first shell 11 and the second shell 12, and the mounting portion 131 is opened on the connecting member 13. By setting the connecting member 13 between the first shell 11 and the second shell 12, the connecting member 13 can completely separate the first cavity and the second cavity, and the first cavity and the second cavity can only be connected through the mounting portion 131. By setting the power generation structure 2 in the mounting portion 131 on the connecting member 13, the connecting member 13 can also provide protection for the power generation structure 2.

[0043] The power generation device provided in this embodiment is as follows: Figure 1 and Figure 2 As shown, it also includes a supporting structure 3, which is suitable for being set on the ground, and the side of the second shell 12 away from the first shell 11 is rotatably connected to the supporting structure 3.

[0044] The power generation device of the above structure can be set on the ground through the support structure 3 rotatably connected to the second shell 12, and the support structure 3 is specifically rotatably connected to the side of the second shell 12 away from the first shell 11, so that the shell structure 1 can be installed on the ground for use through the support structure 3. At the same time, when the wind direction changes, the shell structure 1 can rotate relative to the support structure 3 under the action of external force, so that the first opening and the second opening can face the wind direction, thereby allowing the wind to blow into the first cavity and the second cavity to the maximum extent.

[0045] The power generation device provided in this embodiment is as follows: Figure 2 As shown, the support structure 3 includes a support base 31 and a rotating member 32 . The support base 31 is suitable for being set on the ground. The rotating member 32 is rotatably set on the support base 31 . The side of the second shell 12 away from the first shell 11 is connected to the rotating member 32 .

[0046] The power generation device of the above structure includes a support seat 31 and a rotating member 32 by setting a support structure 3. The rotating member 32 is a rotating rod in this embodiment, wherein the support seat 31 can be set on the ground, and one end of the rotating member 32 is rotatably set on the support seat 31, and the other end of the rotating member 32 is connected to the side of the second shell 12 away from the first shell 11, so that the shell structure 1 can be set on the ground through the support seat 31 and the rotating member 32 to work. At the same time, under the action of external force, the shell structure 1 can also rotate relative to the support seat 31 through the rotating member 32, so that the first opening and the second opening can always face the wind direction.

[0047] The power generation device provided in this embodiment is as follows: Figure 1 and Figure 2 As shown, the communication direction between the two first openings is the same as the communication direction between the two second openings, so that wind blows into the first cavity and the second cavity at the same time.

[0048] The power generation device of the above structure sets the connection direction between the two first openings to be the same as the connection direction between the two second openings, so that when there is wind, the wind can blow into the first cavity and the second cavity respectively through the first opening and the second opening at the same time, and when the direction of the shell structure 1 is adjusted under the action of external force, the extension direction of the first cavity and the extension direction of the second cavity can be adjusted at the same time, which is conducive to quickly adjusting the direction of the shell structure 1.

[0049] The power generation device provided in this embodiment is as follows: Figure 1 and Figure 2 As shown, it also includes an adjusting structure 4, one end of which is connected to a side of the first shell 11 away from the second shell 12, so that under the action of wind, the adjusting structure 4 drives the shell structure 1 to rotate relative to the supporting structure 3.

[0050] The power generation device of the above structure is connected to the first shell 11 through an adjusting structure 4, and the adjusting structure 4 is specifically connected to the side of the first shell 11 away from the second shell 12 at one end, so that when under the action of wind force, the adjusting structure 4 can rotate under the action of wind force, and it can also drive the shell structure 1 to rotate synchronously, and then the shell structure 1 can rotate relative to the supporting structure 3, and one of the first openings and the second opening can always face the wind direction.

[0051] The power generation device provided in this embodiment is as follows: Figure 2 As shown, the adjustment structure 4 includes an adjustment member 41 , which is connected to a side of the first shell 11 away from the second shell 12 , and an extending direction of the adjustment member 41 is the same as a communication direction of the two openings.

[0052] The power generation device of the above structure includes an adjusting member 41 by setting an adjusting structure 4. The adjusting member 41 is an adjusting plate in this embodiment. The adjusting member 41 is specifically connected to the side of the first shell 11 away from the second shell 12, and the extending direction of the adjusting member 41 is the same as the connecting direction of the two openings. Therefore, under the action of wind force, the adjusting member 41 can drive the shell structure 1 to rotate relative to the supporting structure 3, so that the opening can always face the wind direction.

[0053] The power generation device provided in this embodiment is as follows: Figure 2 As shown, the adjustment structure 4 also includes a transition piece 42 , one end of the transition piece 42 is connected to a side of the first shell 11 away from the second shell 12 , and the other end is connected to the adjustment piece 41 .

[0054] The power generation device of the above structure also includes a transfer member 42 by setting an adjustment structure 4. The transfer member 42 in this embodiment is a transfer rod. One end of the transfer member 42 is connected to the side of the first shell 11 away from the second shell 12, and the other end is connected to the adjustment member 41, so that the adjustment member 41 is connected to the first shell 11 through the transfer member 42, and the adjustment member 41 can drive the shell structure 1 to rotate relative to the support structure 3.

[0055] The power generation device provided by the present invention has a power generation structure 2 arranged on a shell structure 1, and the shell structure 1 includes a first shell 11 and a second shell 12 connected to each other, wherein the first shell 11 has a first cavity with first openings at both ends, and the second shell 12 has a second cavity with second openings at both ends, and a mounting portion 131 is provided between the first shell 11 and the second shell 12, and the mounting portion 131 can connect the first cavity and the second cavity, and the power generation structure 2 is specifically arranged in the mounting portion 131, so that when there is wind, the wind can be blown into the first cavity and the second cavity from one of the first openings and the second openings respectively, and the wind can also be blown out of the first cavity and the second cavity from the other first opening and the second opening respectively, and when the wind blows in the first cavity and the second cavity, the wind can be blown into the first cavity from the second cavity through the mounting portion 131, so that the wind can pass through the power generation structure 2 arranged in the mounting portion 131, and then provide wind power for the power generation structure 2, so that it can generate electricity; specifically, the first shell 11 has a structure that is thick at both ends and gradually becomes thin in the middle, so that when the wind blows from one of the first openings and the second openings, the wind can be blown out of the first cavity and the second cavity from the other first opening and the second opening respectively, and when the wind blows in the first cavity and the second cavity, the wind can be blown into the first cavity from the second cavity through the mounting portion 131, so that the wind can pass through the power generation structure 2 arranged in the mounting portion 131, and then provide wind power for the power generation structure 2, so that it can generate electricity; specifically, the first shell 11 has a structure that is thick at both ends and gradually becomes thin in the middle, so that when the wind blows from one of the When the first opening blows into the first cavity, the flow range of the wind becomes smaller, so that the wind speed in the first cavity can be accelerated, and through the Bernoulli principle to accelerate the airflow principle, a low pressure can be formed in the first cavity, while the wind speed of the second cavity does not change, so the pressure of the second cavity is in a state, and then when the wind blows from the second cavity into the first cavity through the mounting portion 131, the low pressure in the first cavity can accelerate the wind speed, so that the power generation structure 2 can receive more wind force, which is beneficial to improve the power generation efficiency of the power generation structure 2; in addition, since the wind can be accelerated when it blows into the first cavity from one of the first openings, the wind speed of a breeze with a lower wind speed can be accelerated when it blows into the first cavity, so that the breeze can also provide sufficient wind force to the power generation structure 2 in the power generation device provided in this embodiment, so that it can generate electricity normally. At the same time, by arranging the power generation structure 2 in the mounting portion 131 between the first shell 11 and the second shell 12, the shell structure 1 can provide protection for the power generation structure 2 to prevent the power generation structure 2 from being damaged by the outside.

[0056] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A power generation device, characterized in that: include: A housing structure (1) comprises a first housing (11) and a second housing (12) connected to each other, wherein the first housing (11) has a first cavity with first openings at both ends, and the second housing (12) has a second cavity with second openings at both ends, and an installation portion (131) is provided between the first housing (11) and the second housing (12), and the installation portion (131) is suitable for connecting the first cavity and the second cavity; A power generation structure (2), the power generation structure (2) being arranged in the mounting portion (131), and when there is wind, the wind is suitable for blowing into the first cavity or the second cavity through one of the first openings or the second openings, and blowing out of the first cavity or the second cavity through another of the first openings or the second openings, and during the blowing process, the wind is suitable for blowing into the first cavity from the second cavity through the mounting portion (131), so as to provide wind force to the power generation structure (2), and enable the power generation structure (2) to generate electricity; The first shell (11) is thick at both ends and gradually becomes thinner in the middle, so as to increase the wind speed in the first cavity and generate low pressure in the first cavity. The low pressure in the first cavity is suitable for accelerating the wind from the second cavity into the first cavity.

2. The power generation device according to claim 1, characterized in that: The second shell (12) has a structure with thin ends and gradually thickened in the middle, so as to reduce the wind speed in the second cavity and generate high pressure in the second cavity.

3. The power generation device according to claim 2, characterized in that: The power generation structure (2) comprises a rotating member (21) and a power generation member (22); the power generation member (22) is arranged in the mounting portion (131); and the rotating member (21) is rotatably arranged on the power generation member (22).

4. The power generation device according to claim 3, characterized in that: The housing structure (1) further comprises a connecting member (13), wherein the connecting member (13) is arranged between the first housing (11) and the second housing (12), and the mounting portion (131) is provided on the connecting member (13).

5. The power generation device according to any one of claims 1 to 4, characterized in that: It also comprises a supporting structure (3), wherein the supporting structure (3) is suitable for being arranged on the ground, and the side of the second shell (12) away from the first shell (11) is rotatably connected to the supporting structure (3).

6. The power generation device according to claim 5, characterized in that: The support structure (3) comprises a support seat (31) and a rotating member (32); the support seat (31) is suitable for being arranged on the ground; the rotating member (32) is rotatably arranged on the support seat (31); and a side of the second shell (12) away from the first shell (11) is connected to the rotating member (32).

7. The power generation device according to claim 6, characterized in that: The communication direction between the two first openings is the same as the communication direction between the two second openings, so that wind blows into the first cavity and the second cavity at the same time.

8. The power generation device according to claim 7, characterized in that: It also includes an adjustment structure (4), one end of which is connected to a side of the first shell (11) away from the second shell (12), so that under the action of wind, the adjustment structure (4) drives the shell structure (1) to rotate relative to the support structure (3).

9. The power generation device according to claim 8, characterized in that: The adjustment structure (4) comprises an adjustment member (41), the adjustment member (41) being connected to a side of the first shell (11) away from the second shell (12), and the extension direction of the adjustment member (41) being the same as the communication direction of the two openings.

10. The power generation device according to claim 9, characterized in that: The adjustment structure (4) also includes a transition piece (42), one end of which is connected to a side of the first shell (11) away from the second shell (12), and the other end of which is connected to the adjustment piece (41).

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