Large-windward-area shutter capable of stabilizing large-environment wind induced vibration

Abstract

The invention relates to a large windward area shutter capable of stabilizing large environmental wind induced vibration, and belongs to the technical field of ventilation air conditioning, the large windward area shutter comprises a large shutter group, a driving assembly and a stabilizing assembly, the large shutter group is composed of N layers of large shutters arranged up and down, and N is an integer greater than or equal to 1; the large shutter comprises a window frame and M large shutters with rotating shafts, and M is an integer greater than or equal to 2; the width W of the large shutter is not less than 0.5 m and not more than 2.0 m, and the height H is not less than 1.0 m and not more than 3.0 m; the rotating shafts are installed in the middle of the upper end and the middle of the lower end of the large shutter and hinged to the window frame. The driving assembly is connected with M large shutter hinges of the large shutter; the stabilizing assembly is a transverse stabilizing piece set or a vertical stabilizing piece set or a combination of the transverse stabilizing piece set and the vertical stabilizing piece set. The transverse stabilizing piece group consists of one or more transverse stabilizing pieces and is connected with a large shutter of the large shutter; when N is greater than or equal to 2, the vertical stabilizing piece group is connected with two vertically-adjacent large shutters of the upper-layer large shutter and the lower-layer large shutter; effective constraining force is formed through the stabilizing assemblies, vibration displacement of the large shutters is reduced, and the stability of the large shutters is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ventilation air conditioning, and in particular to a large windward area louver that can stably induce vibration of the large environment wind. Background Art

[0002] In frigid regions, large-scale buildings such as wet cooling towers or high towers need to be equipped with wind protection devices at the air inlets to control air flow for anti-freezing operation and avoid ice formation, which may damage structures such as tower fillers. Currently, the commonly used protection devices at the air inlets of cooling towers include windshields, large fan blades, horizontal louvers, and vertical louvers. As the specifications of cooling towers gradually increase and the height of the air inlets gradually becomes higher, the number of windshields, large fan blades, horizontal louvers, or vertical louvers to be controlled also gradually increases. However, their connection methods are relatively single, generally only having a driving mechanism and lacking a certain stable structure. In cold and windy environments, the windshields, large fan blades, horizontal louvers, or vertical louvers are prone to large vibrations, resulting in unstable operation and even falling off.

[0003] Chinese Utility Model Patent CN201688722U, an anti-freezing device for an automatically opening and closing windshield of a cooling tower, describes an adjustable windbreak wall, including a plurality of windshield synchronous rotation opening and closing units. Among them, the driving wheel of the synchronous driving component is installed on the lower rotating pin at the lower end of any one windshield, and all windshields are connected to each other through a synchronous rotation mechanism. The driving wheel drives the synchronous rotation mechanism. Between adjacent two window panes, the two windshields corresponding up and down are fixedly connected into one body through a cross-connecting plate. All windshields are driven by the synchronous driving component to rotate synchronously. In the above structure, the cross-connecting plate between the two windshields between the upper and lower window panes in the height direction is only used to drive the windshields between different window panes to rotate synchronously. When the windward area of the windshield is large, the large environment wind is extremely likely to induce the shaking, tremor, and even the phenomenon of blade falling off of the large windward area windshield.

[0004] After the temperature rises, to make the wind deflector in the open ventilation state while playing a guiding role, Chinese Patent Application for Invention CN120008375A, a cooling tower with an optimized top flow field wind control device, while optimizing the inflow air flow field structure through the swirling flow in the wedge-shaped top angle space, also includes a circumferential guiding device composed of flat plate-shaped guiding structures vertically arranged outside the air inlets around the tower, and minimizes the vortices on the leeward side through the design of the width of the flat plate-shaped guiding structure. Among them, the width Lz of the guiding structure needs to satisfy 0.5m ≤ Lz ≤ 1.6m to effectively reduce the ventilation area blocked by the thickness of all wind deflectors after the wind deflector is opened. Further, Chinese Patent Application for Invention CN120008412A, a large fan blade type louver for ventilation regulation that can eliminate the transverse vortices at the end of the flow channel, optimizes the flow field at the end of the air inlet side of the large fan blade by installing an end vortex elimination sealing device that can eliminate the transverse vortices at the end of the air inlet flow channel at the end of the air inlet side or the air outlet side of the large fan blade, reduces the transverse vortices at the end of the air inlet flow channel between it and the adjacent large fan blades, thereby reducing the additional air inlet resistance of the large fan blade and increasing the effective air inlet area.

[0005] In the above patents, while optimizing the functions and structures of the louvers with a large windward area, they do not consider the influence of the shaking and tremors induced by severe windy weather on the long-term operation safety of the louvers with a large windward area. Summary of the Invention

[0006] To solve the above-mentioned technical problems, the present invention proposes a large windward area louver that can stabilize the vibration induced by the large ambient wind, which can effectively stabilize the vibration induced by the large ambient wind and ensure the safe and stable operation of the equipment for ventilation and air conditioning.

[0007] The specific solution of the present invention for solving the above existing problems is as follows: A large windward area louver that can stabilize the vibration induced by the large ambient wind, including a large louver group, a driving component, and a stabilizing component, characterized in that: the large louver group is composed of N layers of large louvers arranged vertically, N ≥ 1 and N is an integer; the large louver includes a window frame and M large louvers with rotating shafts, M ≥ 2 and M is an integer; the width of the large louver satisfies 0.5m ≤ W ≤ 2.0m, and the height satisfies 1.0m ≤ H ≤ 3.0m; the driving component is connected to the M large louvers of the large louver; when N ≥ 2, the stabilizing component is a transverse stabilizing member group or a vertical stabilizing member group or a combination thereof; the transverse stabilizing member group is composed of one or more transverse stabilizing members, and the transverse stabilizing members are used to movably connect the large louvers of the large louver; the vertical stabilizing member group is used to fixedly connect the two adjacent large louvers of the upper and lower adjacent layers of large louvers; when N = 1, the stabilizing component is a transverse stabilizing member group.

[0008] The window frame includes an upper horizontal frame and a lower horizontal frame, and further may include a left vertical frame and a right vertical frame; the rotating shafts are installed at the middle positions of the upper end and the lower end of the large louvers, and are respectively hinged to the upper horizontal frame and the lower horizontal frame of the window frame.

[0009] The driving assembly includes a driving rod and a synchronous linkage member, which are arranged on the outer side, inner side, upper outer side or upper inner side of the lower end of the large louvers; one end of the synchronous linkage member is fixedly connected to the large louvers, and the other end is hinged to the driving rod; the outer side refers to the air inlet side of the large louver window, and the inner side refers to the air outlet side of the large louver window.

[0010] The lateral stabilizer is composed of a lateral stabilizer rod and I stabilizer connecting rods, where 2 ≤ I ≤ M and I is an integer, and is arranged at the top corners of the large louvers on the side opposite to the different ends of the driving assembly on the large louvers; one end of the stabilizer connecting rod is fixedly connected to the large louvers, and the other end is hinged to the lateral stabilizer rod.

[0011] The lateral stabilizer may further be arranged at one or more of the top corners of the large louvers on the same side as the different ends of the driving assembly on the large louvers or at the top corners of the large louvers on the side opposite to the same end of the driving assembly on the large louvers.

[0012] The lateral stabilizer may further be arranged at one or more of the middle positions on the side opposite to the driving assembly or at the middle positions on the same side as the driving assembly on the large louvers; the middle position is the area from 0.3H to 0.7H away from the upper end of the large louvers.

[0013] When N ≥ 2, the vertical stabilizer group is composed of J vertical stabilizers, where 2 ≤ J ≤ M and J is an integer; the vertical stabilizers are arranged between two adjacent upper and lower large louvers of the upper and lower adjacent layers of large louver windows, the upper end of the vertical stabilizer is fixedly connected to the upper fixing point on the large louvers of the upper layer of large louver windows, and the lower end of the vertical stabilizer is fixedly connected to the lower fixing point on the large louvers of the lower layer of large louver windows.

[0014] The distance between the upper fixing point and the vertical edge of the large louvers far from the fixed position of the synchronous linkage member is Ks, 0 ≤ Ks ≤ 0.25W, and the distance from the lower horizontal edge of the large louvers is Ls, 0 ≤ Ls ≤ 0.75H; the distance between the lower fixing point and the vertical edge of the large louvers far from the fixed position of the synchronous linkage member is Kx, 0 ≤ Kx ≤ 0.25W, and the distance from the upper horizontal edge of the large louvers is Lx, 0 ≤ Lx ≤ 0.75H; the upper fixing point and the lower fixing point are on the same side of the upper and lower adjacent layers of large louver windows.

[0015] When N≥2 and the driving component is arranged between two adjacent upper and lower layers of large louvers, the driving component can further be a shared driving component; the shared driving component can be connected to the upper end of the large louver of the lower layer and the lower end of the large louver of the upper layer through a synchronous linkage member at the same time, so as to realize that one driving component drives the upper and lower layers of large louvers at the same time.

[0016] When N≥2, the lateral stabilizer can further be a shared lateral stabilizer, which is arranged at the adjacent position of the upper and lower louvers on the opposite side of the driving component, and can be connected to the apex of the large louver on the opposite side of the same end as the driving component on the large louver of the upper layer of large louvers and the apex of the large louver on the opposite side of the different end as the driving component on the large louver of the lower layer of large louvers through a stabilizing connecting rod at the same time.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: a large windward area louver that can stably induce vibration in a large environment. By ensuring the synchronous rotation of multiple layers of large louvers, a stabilizing component is additionally provided. The stabilizing component is a lateral stabilizer group or a vertical stabilizer group or a combination thereof; the lateral stabilizer group is composed of one or more lateral stabilizers; the lateral stabilizer is used to connect M large louvers of the large louver, and can be arranged at one or more of the apex of the large louver on the opposite side of the different end as the driving component, the apex of the large louver on the same side of the different end as the driving component, the apex of the large louver on the opposite side of the same end as the driving component, the middle position on the opposite side of the driving component, or the middle position on the same side of the driving component; when M = 2, the lateral stabilizer forms a two-force member constraint by hinging the large louvers of the same layer together, and uses the axial force formed between the hinge points of the same-layer blades of the lateral stabilizer to reduce the induced vibration of the large louver under strong wind. When M≥3, the lateral stabilizer forms a multi-force rod constraint by hinging the large louvers of the same layer together, and uses the combined action of the axial force, shear force and bending moment formed between the lateral stabilizer and the blades to reduce the induced vibration of the large louver under strong wind, thereby improving the stability and reliability of the large louver; it can further be a shared lateral stabilizer, which connects the large louvers of the upper and lower layers of large louvers at the same time to form a multi-force rod constraint, and at the same time uses the combined action of the axial force, shear force and bending moment formed between the large louvers of the upper and lower layers and the shared lateral stabilizer to generate a greater binding force to reduce the vibration displacement of the large louver under strong wind-induced vibration.

[0018] The vertical stabilizer group is composed of J vertical stabilizers, 2≤J≤M and J is an integer, and is used to connect two adjacent upper and lower large louvers of the upper and lower layers of large louvers. The vertical stabilizer is connected to the fixed points on the two adjacent upper and lower large louvers to form a rigid body connection constraint, and uses the shear force and bending moment formed between the vertical stabilizer and the adjacent upper and lower large louvers to reduce the vibration displacement generated by the large louver in a strong wind environment, thereby improving the integrity and stability between adjacent two layers of large louvers.

[0019] Through the horizontal stabilizer and the vertical stabilizer, the large louvers can form an effective constraint in both the horizontal and vertical directions under the action of the axial force, shear force, bending moment or their combination generated between the stabilizing component and the blades, reducing the vibration amplitude of the large louvers induced by the wind in the large environment, thus effectively avoiding the shaking and tremor that may occur in the louvers with a large windward area, and reducing the loss of the rotating shaft caused by the vibration of the large louvers. Brief Description of the Drawings

[0020] Figure 1 It is a schematic structural diagram of a large windward area louver that can stabilize the vibration induced by the wind in the large environment.

[0021] Figure 2 It is a schematic structural diagram of a large louver group provided with a shared drive component and a shared horizontal stabilizer.

[0022] Figure 3 It is a schematic structural diagram of a large louver group provided only with a horizontal stabilizer group.

[0023] Figure 4 It is a schematic structural diagram of a large louver group provided with a vertical stabilizer group and a shared drive component.

[0024] Figure 5 A schematic structural diagram of a one-layer large louver provided only with a horizontal stabilizer.

[0025] Figure 6 The front view of a large windward area louver that can stabilize the vibration induced by the wind in the large environment.

[0026] Figure 7 It is a sectional view taken along line A-A of a large windward area louver that can stabilize the vibration induced by the wind in the large environment in different states.

[0027] Figure 8 It is a schematic diagram of the positions of the upper fixed point and the lower fixed point on the vertical stabilizer.

[0028] Figure 9 It is a displacement comparison diagram at a wind speed of 50 m / s.

[0029] Figure 10 It is a displacement comparison diagram at a wind speed of 20 m / s.

[0030] Figure 11 It is a displacement comparison diagram at a wind speed of 12 m / s.

[0031] In the figure: 1 - window frame; 2 - large louvers; 3 - large louver window; 4 - drive component; 5 - horizontal stabilizer; 6 - vertical stabilizer; 7 - rotating shaft; 8 - shared drive component; 9 - shared horizontal stabilizer; 101 - upper horizontal frame; 102 - lower horizontal frame; 103 - left vertical frame; 104 - right vertical frame; 401 - drive rod; 402 - synchronous linkage; 501 - horizontal stabilizer rod; 502 - stabilizing connecting rod. Detailed implementation manners

[0032] The present invention will be described in detail below in conjunction with the specific implementation manners shown in the accompanying drawings. However, these implementation manners do not limit the present invention, and any structural, methodical, or functional transformations made by those of ordinary skill in the art based on these implementation manners are included within the protection scope of the present invention.

[0033] The structures, ratios, sizes, etc. shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions under which the present invention can be implemented. Therefore, they do not have substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the efficacy that the present invention can produce and the purpose that can be achieved, should still fall within the scope covered by the technical content disclosed in the present invention. At the same time, terms such as "upper", "lower", "inner", "outer", "middle part", etc. cited in this specification are only for the convenience of clear narration and are not used to limit the scope under which the present invention can be implemented. The change or adjustment of their relative relationship, without substantial change in the technical content, should also be regarded as the scope within which the present invention can be implemented.

[0034] Embodiment 1: As Figure 1 、 Figures 6 to 8 shown, this embodiment provides a large-windward-area louver that can stably induce vibration in a large environment, including a large louver group, a driving component 4, and a stabilizing component. It is characterized in that: the large louver group is composed of 2 layers of large louvers 3 arranged up and down; the large louver 3 includes a window frame 1 and 4 large louvers 2 with rotating shafts 7; the window frame 1 includes an upper horizontal frame 101, a lower horizontal frame 102, a left vertical frame 103, and a right vertical frame 104; the rotating shafts 7 are installed at the middle positions of the upper and lower ends of the large louver 2 and are respectively hingedly connected to the upper horizontal frame 101 and the lower horizontal frame 102 of the window frame 1; the width W of the large louver 2 is 2.0 m, the height H is 3.0 m, and the windward area S is 6.0 ㎡.

[0035] The driving component 4 is connected to the 4 large louvers 2 of the large louver window 3, and includes a driving rod 401 and a synchronous linkage 402, which are arranged outside the lower ends of the large louvers 2; one end of the synchronous linkage 402 is fixedly connected to the large louver 2, and the other end is hingedly connected to the driving rod 401. The "outside" herein refers to the air inlet side of the large louver window 3.

[0036] Through the horizontal movement of the driving rod 401 in the transverse direction, the hinged synchronous linkage 402 is driven to rotate and move, thereby realizing the synchronous rotational movement of the 4 large louvers 2 around the rotating shaft 7.

[0037] The stable component is a combination of a lateral stabilizer group and a vertical stabilizer group. The lateral stabilizer 5 is used to connect the four large louvers 2 of the large louver window 3; the lateral stabilizer 5 is composed of a lateral stabilizer bar 501 and four stable connecting rods 502, and is arranged at the top corner of the large louver 2 on the same side as the non-driving component end; one end of the stable connecting rod 502 is fixedly connected to the large louver 2, and the other end is hingedly connected to the lateral stabilizer bar 501. The vibration of the large louver 2 induced by the ambient wind is suppressed by the restraint of the lateral stabilizer 5, thereby ensuring the stability of the large louver 2.

[0038] The vertical stabilizer group is composed of four vertical stabilizers 6, which are used to connect the two adjacent large louvers 2 of the upper and lower layers of the large louver window 3. The vertical stabilizer 6 is arranged between the upper and lower adjacent layers of the large louver window 3. The upper end of the vertical stabilizer 6 is fixedly connected to the upper fixed point on the large louver 2 of the upper layer of the large louver window 3. The distance from the upper fixed point to the vertical edge of the large louver 2 far from the fixed position of the synchronous linkage 402 is Ks = 0m, and the distance from the upper fixed point to the lower horizontal edge of the large louver 2 is Ls = 0.75m; the lower end of the vertical stabilizer 6 is fixedly connected to the lower fixed point on the large louver 2 of the lower layer of the large louver window 3. The distance from the lower fixed point to the vertical edge of the large louver 2 far from the fixed position of the synchronous linkage 402 is Kx = 0m, and the distance from the lower fixed point to the upper horizontal edge of the large louver 2 is Lx = 0.75m; the upper and lower ends of the vertical stabilizer 6 are located inside the upper and lower adjacent layers of the large louver window 3. The vibration of the large louver 2 induced by the ambient wind is suppressed by the restraint of the vertical stabilizer 6, thereby ensuring the stability of the upper and lower large louvers 2.

[0039] The working principle of stabilizing the vibration induced by the ambient wind: On the basis of ensuring the synchronous transmission of the multi-layer large louver window 3, a stable component including a lateral stabilizer group and a vertical stabilizer group is additionally provided; the lateral stabilizer 5 is used to hinge-connect the four large louvers 2 of the large louver window 3 to form a multi-force bar restraint. The axial force, shear force and bending moment formed between the lateral stabilizer 5 and the hinge points at the top corners of the four large louvers 2 and the non-driving component end of the driving component 4 are used to reduce the vibration displacement of the large louver 2 induced by strong wind, thereby improving the stability and reliability of the large louver 2; the vertical stabilizer 6 is used to connect the fixed points on the upper and lower two large louvers 2 of the adjacent two layers of the large louver window 3 to form a rigid body connection restraint. The shear force and bending moment formed between the vertical stabilizer 6 and the upper and lower adjacent large louvers 2 are used to reduce the vibration displacement of the large louver 2 deviating up and down in a strong wind environment, thereby improving the integrity and stability between the upper and lower two layers of the large louver window 3. By the lateral stabilizer 5 forming a binding force at the upper end and the vertical stabilizer 6 forming a binding force between the upper and lower ends, an effective restraint of five constraint points is jointly formed with the rotating shaft 7 and the driving component 4, and at the same time, the vibration of the large louver 2 induced by the ambient wind is restricted, effectively avoiding the possible shaking and tremor caused by the large size of the large louver 2 structure, thereby reducing the loss of the rotating shaft 7 caused by the vibration of the large louver z.

[0040] Embodiment 2: As Figure 2 shown, this embodiment provides a large windward area louver with a shared drive assembly 8 and a shared lateral stabilizer 9, including a large louver group, a shared drive assembly 8, and a stabilizer assembly, characterized in that: the large louver group is composed of 2 layers of large louvers 3 arranged up and down; the large louver 3 includes a window frame 1 and 4 large louvers 2 with rotating shafts 7; the window frame 1 includes an upper horizontal frame 101, a lower horizontal frame 102, a left vertical frame 103, and a right vertical frame 104; the rotating shafts 7 are installed at the middle positions of the upper and lower ends of the large louver 2 and are respectively hinged to the upper horizontal frame 101 and the lower horizontal frame 102 of the window frame 1; the width W of the large louver 2 is 1.2 m, the height H is 2.0 m, and the windward area S is 2.4 ㎡.

[0041] The shared drive assembly 8 is connected to the 4 large louvers 2 of the large louver 3 and includes a drive rod 401 and a synchronous linkage 402; it is arranged between the two layers of large louvers 3 and simultaneously connects the 8 large louvers 2 of the upper and lower layers of large louvers 3 through the synchronous linkage 402; one end of the synchronous linkage 402 is fixedly connected to the large louver 2, and the other end is hinged to the drive rod 401.

[0042] Through the lateral horizontal movement of the drive rod 401, the hinged synchronous linkage 402 is driven to rotate and move, thereby controlling the synchronous rotation movement of the 8 large louvers 2 of the upper and lower layers of large louvers 3 around the rotating shaft 7.

[0043] The stabilizer assembly is a lateral stabilizer group, including 2 lateral stabilizers 5 and 1 shared lateral stabilizer, which are respectively arranged at the large louver apex angles on the same side as the different ends of the shared drive assembly 8 on the large louvers 2, at the large louver apex angles on the same side as the same end of the shared drive assembly 8, and at the connection points of the upper and lower large louvers 3 on the side different from the shared drive assembly 8; among them, the lateral stabilizer 5 includes 1 lateral stabilizer rod 501 and 4 stabilizer connecting rods 502, which respectively connect the 4 large louvers 2 of the two upper and lower layers of large louvers 3 to improve the stability between the large louvers 2 and themselves; the shared lateral stabilizer 9 is simultaneously connected to the 8 large louvers 2 of the upper and lower layers of large louvers 3 through the stabilizer connecting rods 502. Through the restraint of the lateral stabilizers 5 and the shared lateral stabilizer 9, the vibration induced by the large ambient wind of the large louvers 2 is suppressed, thereby ensuring the stability of the large louvers 2.

[0044] Working principle of wind-induced vibration in a stable large environment: On the basis of ensuring the synchronous rotation of all large louvers 2 in the large louver group, two lateral stabilizers 5 and one common lateral stabilizer 9 are added. Among them, the lateral stabilizer 5 transversely connects the blades to form a multi-force rod constraint. By using the axial force, shear force, and bending moment formed by the lateral stabilizer 5 between the hinge points of the blades on the same layer, the vibration displacement of the large louver 2 induced by strong winds is reduced. The common lateral stabilizer 9 simultaneously connects the large louvers 2 of the upper and lower layers of the large louver window 3 to form a multi-force rod constraint. At the same time, by using the axial force, shear force, and bending moment formed between the large louvers 2 of the upper and lower layers and the common lateral stabilizer 9, a greater binding force is generated to reduce the vibration displacement of the large louver 2 induced by strong winds; it jointly forms an effective constraint of five constraint points with the rotating shaft 7 and the common drive assembly 8, thereby effectively avoiding the possible shaking and tremor caused by the relatively large structural size of the large louver 2, and thus reducing the loss of the rotating shaft 7 caused by the vibration of the large louver 2.

[0045] Embodiment 3: As Figure 3 shown, this embodiment provides a large windward area louver with only a lateral stabilizer group, including a large louver window group, a drive assembly 4, and a stabilizer assembly. It is characterized in that: the large louver window group is composed of two layers of large louver windows 3 arranged up and down; the large louver window 3 includes a window frame 1 and four large louvers 2 with rotating shafts 7; the window frame 1 includes an upper horizontal frame 101, a lower horizontal frame 102, a left vertical frame 103, and a right vertical frame 104; the rotating shafts 7 are installed at the middle positions of the upper and lower ends of the large louver 2 and are respectively hinged to the upper horizontal frame 101 and the lower horizontal frame 102 of the window frame 1; the width W of the large louver 2 is 0.9 m, the height H is 2.1 m, and the windward area S is 1.89 ㎡.

[0046] The drive assembly 4 is connected to the four large louvers 2 of the large louver window 3 and includes a drive rod 401 and a synchronous linkage 402, which are arranged on the outer side of the lower end of the large louver 2; one end of the synchronous linkage 402 is fixedly connected to the large louver 2, and the other end is hinged to the drive rod 401.

[0047] By driving the drive rod 401 to drive the synchronous linkage 402 to generate displacement, the synchronous rotation of the large louvers 2 is realized.

[0048] The stabilizer assembly is a lateral stabilizer group, including two lateral stabilizers. The lateral stabilizer 5 is used to connect the four large louvers 2 of the large louver window 3; the lateral stabilizer 5 is composed of a lateral stabilizer rod 501 and four stabilizer connecting rods 502, which are arranged at the top corners of the large louvers on the same side as the non-drive end of the large louvers 2; one end of the stabilizer connecting rod 502 is fixedly connected to the large louver 2, and the other end is hinged to the lateral stabilizer rod 501. By the constraint action of the lateral stabilizer 5, the vibration of the large louver 2 induced by the large environment wind is suppressed, and thus the stability of the large louver 2 is ensured.

[0049] Working principle of wind-induced vibration in a stable large environment: On the basis of ensuring the synchronous transmission of the multi-layer large louvers 3, a multi-force rod constraint is formed by connecting the horizontal stabilizer 5 to the large louvers 2 of the same layer. The axial force, shear force, and bending moment formed between the horizontal stabilizer 5 and the hinge points of the 4 large louvers 2 jointly form an effective constraint for the 4 constraint points with the rotating shaft 7 and the drive assembly 4, reducing the vibration displacement of the large louvers 2, thereby effectively avoiding the possible swaying and tremors caused by the relatively large structural size of the large louvers 2, and reducing the loss of the rotating shaft 7 due to the vibration of the large louvers 2.

[0050] Embodiment 4: As Figure 4 shown, this embodiment provides a large windward area louver with a vertical stabilizer group and a shared drive assembly 8, including a large louver group, a shared drive assembly 8, and a stabilizer assembly. It is characterized in that: the large louver group is composed of 2 layers of large louvers 3 arranged vertically; the large louver 3 includes a window frame 1 and 4 large louvers 2 with rotating shafts 7; the window frame 1 includes an upper horizontal frame 101, a lower horizontal frame 102, a left vertical frame 103, and a right vertical frame 104; the rotating shafts 7 are installed at the middle positions of the upper and lower ends of the large louvers 2 and are respectively hinged to the upper horizontal frame 101 and the lower horizontal frame 102 of the window frame 1; the width W of the large louver 2 is 1.4 m, the height H is 1.8 m, and the windward area S is 2.52 ㎡.

[0051] The shared drive assembly 8 is arranged between two adjacent upper and lower layers of large louvers 3 and is connected to the lower ends of the large louvers 2 of the upper-layer large louver 3 and the upper ends of the large louvers 2 of the lower-layer large louver 3 simultaneously through a synchronous linkage 402; one end of the synchronous linkage 402 is fixedly connected to the large louver 2, and the other end is hinged to a drive rod 401.

[0052] Through the lateral horizontal movement of the drive rod 401, the hinged synchronous linkage 402 is driven to rotate and move, thereby realizing the synchronous rotational movement of the upper and lower layers of large louvers 2 around the rotating shaft 7.

[0053] The stabilizing component is a vertical stabilizing component group, including 4 vertical stabilizing components 6, which are used to connect two adjacent large louvers 2 on the upper and lower layers of the large louver window 3. The vertical stabilizing components 6 are arranged between two adjacent upper and lower layers of the large louver window 3. The upper end of the vertical stabilizing component 6 is fixedly connected to the upper fixing point on the large louver 2 of the upper-layer large louver window 3. The distance between the upper fixing point and the vertical edge of the large louver 2 far from the fixed position of the synchronous linkage 402 is Ks = 0 m, and the distance from the lower transverse edge of the large louver 2 is Ls = 0.9 m. The lower end of the vertical stabilizing component 6 is fixedly connected to the lower fixing point on the large louver 2 of the lower-layer large louver window 3. The distance between the lower fixing point and the vertical edge of the large louver 2 far from the fixed position of the synchronous linkage 402 is Kx = 0 m, and the distance from the upper transverse edge of the large louver 2 is Lx = 0.9 m. The upper and lower ends of the vertical stabilizing component 6 are located inside two adjacent upper and lower layers of the large louver window 3. Through the restraining effect of the vertical stabilizing component 6, the vibration of the large louver 2 induced by the large ambient wind is suppressed, thereby ensuring the stability of the upper and lower large louvers 2.

[0054] The working principle of stabilizing the vibration induced by the large ambient wind: On the basis of ensuring the synchronous transmission of the multi-layer large louver window 3, a rigid connection constraint is formed by connecting the vertical stabilizing component 6 with the fixing points on the upper and lower adjacent large louvers 2. By using the shear force and bending moment formed between the vertical stabilizing component 6 and the upper and lower two adjacent large louvers 2, corresponding binding forces are generated at the fixing point positions, which together with the rotating shaft 7 and the common driving component 8 form an effective constraint of 4 constraint points, reducing the vertical deviation vibration displacement of the large louver 2 in a strong wind environment, thereby effectively avoiding the possible shaking and tremor caused by the large size of the large louver 2, and thus reducing the loss of the rotating shaft 7 caused by the vibration of the large louver 2.

[0055] Example 5: Further, as Figure 5 shown, a large windward area louver window capable of stabilizing the vibration induced by the large ambient wind includes a large louver window group, a driving component 4 and a stabilizing component, and is characterized in that: the large louver window group is composed of 1 layer of large louver window 3; the large louver window 3 includes a window frame 1 and 2 large louvers 2 with rotating shafts 7; the window frame 1 includes an upper horizontal frame 101, a lower horizontal frame 102, a left vertical frame 103 and a right vertical frame 104; the rotating shafts 7 are installed at the middle positions of the upper and lower ends of the large louver 2 and are respectively hinged to the upper horizontal frame 101 and the lower horizontal frame 102 of the window frame 1; the width W of the large louver 2 is 0.5 m, the height H is 1.0 m, and the windward area S is 0.5 ㎡.

[0056] The driving component 4 is arranged outside the lower end of the large louver window 3 and is connected to the lower end of the large louver 2 of the large louver window 3 through a synchronous linkage 402; one end of the synchronous linkage 402 is fixedly connected to the large louver 2, and the other end is hinged to the driving rod 401.

[0057] By horizontally moving the driving rod 401 laterally, the synchronously linked member 402 connected by a hinge is driven to rotate and move, thereby realizing the synchronous rotational movement of the two large louvers 2 around the rotating shaft 7.

[0058] The stability component is a lateral stability component group, including one lateral stability member 5 arranged at the middle position on the opposite side of the driving component 4 on the large louver 2. By forming a two-force member constraint through hinge connection with the two large louvers 2, and using the axial force formed between the hinge points of the lateral stability member 5 and the large louver 2, it jointly forms an effective constraint of four constraint points with the rotating shaft 7 and the driving component 4, reducing the vibration displacement of the large louver 2 induced by strong winds, thereby improving the overall stability and reliability of the large louver 2, and further reducing the loss of the rotating shaft 7 caused by the vibration of the large louver 2.

[0059] As Figures 9 to 11 shown, in the study of the wind load response of the 0.6m×1.6m large louver 2 structure, an accurate calculation model was established using finite element analysis software. The structural responses under two constraint conditions were systematically compared at three typical wind speeds of 50m / s, 20m / s, and 12m / s: three constraint points (the upper middle and lower middle are the rotating shaft 7 constraint points, and the lower right corner is the synchronously linked member 5 constraint point) and four constraint points (on the basis of the original three constraint points, a stability component constraint point is added in the middle on the left). The research results show that under the wind speed condition of 50m / s, the peak displacement of the large louver 2 is significantly reduced from 3.00mm to 1.80mm; under the 20m / s condition, it is reduced from 0.50mm to 0.32mm; under the 12m / s condition, it is reduced from 0.18mm to 0.11mm, and the corresponding displacement reduction rates reach 40.0%, 36.0%, and 38.9% respectively.

[0060] In summary, on the basis that the large louver 2 can ensure synchronous rotation, a stability component is added. By using the axial force, shear force, bending moment or their combination generated between the stability component and the large louver 2, a binding force against the vibration displacement of the large louver 2 is formed, which can effectively suppress the vibration response of the large louver 2 structure under different wind speed conditions, generally reduce the structural displacement, thereby significantly reducing the mechanical loss of the rotating shaft 7 caused by vibration, and greatly improving the stability and durability of the overall structure.

[0061] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic features of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention, and any reference signs in the claims should not be regarded as limiting the claims involved.

[0062] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A large windward area louver capable of stably inducing vibration by the ambient wind, comprising a large louver group, a driving assembly and a stabilizing assembly, characterized in that: The large louver group is composed of N layers of large louvers arranged up and down, where N≥1 and N is an integer; the large louver includes a window frame and M large louvers with rotating shafts, where M≥2 and M is an integer; the width of the large louver is 0.5m≤W≤2.0m, and the height is 1.0m≤H≤3.0m; the drive assembly is connected to the M large louvers of the large louver window; when N≥2, the stabilizing assembly is a horizontal stabilizing member group or a vertical stabilizing member group or a combination thereof; the horizontal stabilizing member group is composed of one or more horizontal stabilizing members, and the horizontal stabilizing member is used to movably connect the large louvers of the large louver window; the vertical stabilizing member group is used to fixedly connect two adjacent large louvers of the upper and lower adjacent layers of large louver windows; when N = 1, the stabilizing assembly is a horizontal stabilizing member group.

2. The large windward area louver capable of stably inducing vibration by large environmental wind according to claim 1, wherein: The window frame includes an upper horizontal frame and a lower horizontal frame, and further may include a left vertical frame and a right vertical frame; the rotating shafts are installed at the middle positions of the upper end and the lower end of the large louver, and are respectively hinged to the upper horizontal frame and the lower horizontal frame of the window frame.

3. A large windward area louver capable of stably inducing vibration by large ambient wind according to claim 1, characterized in that: The drive assembly includes a drive rod and a synchronous linkage member, which are arranged on the outer side, inner side, upper outer side or upper inner side of the lower end of the large louver; one end of the synchronous linkage member is fixedly connected to the large louver, and the other end is hinged to the drive rod; the outer side refers to the air inlet side of the large louver window, and the inner side refers to the air outlet side of the large louver window.

4. The large-windward-area louver capable of stably inducing vibration by large ambient wind according to claim 3, characterized in that: The horizontal stabilizing member is composed of a horizontal stabilizing rod and I stabilizing connecting rods, where 2≤I≤M and I is an integer, and is arranged at the top corner of the large louver on the side opposite to the different end of the drive assembly on the large louver; one end of the stabilizing connecting rod is fixedly connected to the large louver, and the other end is hinged to the horizontal stabilizing rod.

5. The large windward area louver capable of stably inducing vibration under large environmental wind according to claim 4, wherein: The horizontal stabilizing member may further be arranged at one or more of the top corners of the large louver on the same side as the different end of the drive assembly on the large louver or at the top corners of the large louver on the different side of the same end as the drive assembly.

6. The large windward area louver capable of stably inducing vibration in a large ambient environment according to claim 5, characterized in that: The horizontal stabilizing member may further be arranged at one or more of the middle positions on the side opposite to the drive assembly or at the middle positions on the same side as the drive assembly on the large louver; the middle position is the area 0.3H to 0.7H away from the upper end of the large louver.

7. A large windward area louver capable of stably inducing vibration by large ambient wind according to claim 1, characterized in that: When N≥2, the vertical stabilizing member group is composed of J vertical stabilizing members, where 2≤J≤M and J is an integer; the vertical stabilizing members are arranged between two adjacent large louvers of the upper and lower adjacent layers of large louver windows, the upper end of the vertical stabilizing member is fixedly connected to the upper fixing point on the large louver of the upper layer of the large louver window, and the lower end of the vertical stabilizing member is fixedly connected to the lower fixing point on the large louver of the lower layer of the large louver window.

8. A large windward area louver capable of stably inducing vibration in a large ambient wind, characterized in that: The distance between the upper fixing point and the vertical edge of the large louver far from the fixed position of the synchronous linkage member is Ks, 0≤Ks≤0.25W, and the distance from the lower transverse edge of the large louver is Ls, 0≤Ls≤0.75H; the distance between the lower fixing point and the vertical edge of the large louver far from the fixed position of the synchronous linkage member is Kx, 0≤Kx≤0.25W, and the distance from the upper transverse edge of the large louver is Lx, 0≤Lx≤0.75H; the upper fixing point and the lower fixing point are on the same side of the upper and lower adjacent layers of large louver windows.

9. The large windward area louver capable of stably inducing vibration by large environmental wind according to claim 3, characterized in that: When N≥2 and the drive assembly is arranged between two adjacent upper and lower large louvers, the drive assembly may further be a shared drive assembly; the shared drive assembly can be connected to the upper end of the lower large louver and the lower end of the upper large louver simultaneously through a synchronous linkage member, so as to realize that one drive assembly drives the upper and lower large louvers at the same time.

10. A large windward area louver capable of stably inducing vibration by large ambient wind according to claim 6, characterized in that: When N≥2, the lateral stabilizer may further be a shared lateral stabilizer, which is arranged at the adjacent position of the upper and lower louvers on the opposite side of the drive assembly, and can be connected to the apex of the large louver on the opposite side of the same end of the upper large louver and the drive assembly and the apex of the large louver on the opposite side of the different end of the drive assembly of the lower large louver simultaneously through a stabilizing connecting rod.

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