Fan wind speed auxiliary measurement tool and fan for rotating hub test
Through the design of the fan air speed assist measurement tool, the sliding structure of the adjustment components and the sensor connection components is used to solve the problem of inaccurate measurement of wind speed distribution, and the accurate measurement of the air speed distribution of the fan outlet is achieved and efficient data acquisition.
Patent Information
- Application Number
- CN202420317034.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-20
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-02-20
AI Technical Summary
The existing manual measurement methods for fan air speed cannot achieve accurate measurement of wind speed distribution, and the measurement data is inaccurate, the workload is large, and the point drift is large.
A fan air speed assisted measurement tool is provided, including a control assembly and a sensor connection assembly. Through the sliding connection and movement of the adjustment assembly, the sensor sensing surface is aligned with the fan air outlet to achieve accurate measurement of the wind speed distribution.
It realizes accurate measurement of the air velocity distribution of the fan outlet, improves the accuracy and efficiency of the measurement data, and simplifies the structure and disassembly process of the tooling.
Smart Images
Figure CN222185172U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rotor hub vehicle testing, in particular to a fan wind speed auxiliary measurement tool and a fan for rotor hub testing. Background Art
[0002] At present, when measuring the wind speed of a hub-mounted wind turbine, it is only done manually with a handheld anemometer or by placing a sensor at a fixed position on the front of the vehicle for positioning measurement. However, this measurement method has many shortcomings: the existing measurement method and simple bracket can only measure the position of the point, the measurement method is rough, and the wind speed distribution and attenuation of the entire oncoming wind turbine cannot be accurately known; when manually measuring the wind speed, due to the different selected positions, there is a large deviation between the measured wind speed and the actual required wind speed, which affects the test results; different wind turbine structures have different wind speed rectification, and there are different wind speeds attenuated at the same position. The workload of manual measurement is large and the point drift is large, and the measurement data is inaccurate. Utility Model Content
[0003] A technical problem to be solved by the utility model is that the existing manual wind speed measurement method for a fan cannot achieve accurate measurement of wind speed distribution.
[0004] In order to achieve the above-mentioned objectives, the utility model provides, on the one hand, a wind speed auxiliary measurement tool for a wind turbine, the auxiliary measurement tool comprising a first adjustment component, a second adjustment component slidably connected to the first adjustment component, and a sensor connecting component arranged on the second adjustment component, wherein the second adjustment component is arranged to be able to move in a first direction relative to the first adjustment component, the sensor connecting component is arranged to be able to move in a second direction perpendicular to the first direction relative to the second adjustment component, and the sensor connecting component is arranged to be able to connect a wind speed sensor and make the sensing surface of the wind speed sensor opposite to the air outlet of the wind turbine.
[0005] In some embodiments, the first adjustment assembly includes a first slide rail and a first slider disposed in the first slide rail and capable of moving along the first direction.
[0006] In some embodiments, a first guide groove is provided in the first slide rail, the first guide groove extends along the first direction, and the first sliding block can move in the first guide groove and be screwed to the first slide rail.
[0007] In some embodiments, the second adjustment assembly includes a second slide rail and a second slider disposed in the second slide rail and capable of moving along the second direction.
[0008] In some embodiments, a second guide groove is provided in the second slide rail, the second guide groove extends along the second direction, and the second sliding block can move in the second guide groove and be screwed to the second slide rail.
[0009] In some embodiments, the sensor connecting assembly includes a second connecting plate, and an extension direction of the second connecting plate is set to be parallel to a moving direction of the second adjusting assembly.
[0010] In some embodiments, the sensor connection assembly further includes a first connection plate, wherein the first connection plate extends along a third direction, and the third direction is respectively perpendicular to the first direction and the second direction.
[0011] In some embodiments, the adjustment range of the extension length of the first connecting plate in the third direction is set to 0-50 cm.
[0012] In some embodiments, the number of the first adjustment component and the second adjustment component is set to at least one.
[0013] A second aspect of the utility model provides a fan for hub testing, comprising a fan body and a fan wind speed auxiliary measurement tool according to any one of the above items arranged at the air outlet of the fan body.
[0014] Through the above technical solution, after the wind speed sensor is installed on the sensor connecting component and the connecting component is connected to the second adjusting component, the first adjusting component is used to adjust the movement of the sensor in the first direction, and the second adjusting component is used to adjust the movement of the display in the second direction. The sensor can be positioned to measure different positions of the entire air outlet of the fan and measure the wind speed there, thereby achieving accurate measurement of the wind speed distribution at the fan outlet, and the auxiliary measurement tooling has a simple structure and is easy to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 It is a schematic diagram of the overall structure of the auxiliary measuring tool disclosed in the embodiment of the utility model;
[0017] Figure 2 It is a partially enlarged schematic diagram of the auxiliary measuring tool disclosed in the embodiment of the utility model;
[0018] Figure 3 It is a structural schematic diagram of a fixing frame of an auxiliary measuring tool disclosed in an embodiment of the utility model;
[0019] Figure 4 It is a structural schematic diagram of a first connecting member of an auxiliary measuring tool disclosed in an embodiment of the utility model;
[0020] Figure 5 It is a side view of the first connecting piece of the auxiliary measuring tool disclosed in the embodiment of the utility model;
[0021] Figure 6 It is a structural schematic diagram of the second connecting member of the auxiliary measuring tool disclosed in the embodiment of the utility model;
[0022] Figure 7 It is a top view of the second connecting plate of the auxiliary measuring tool disclosed in the embodiment of the utility model.
[0023] Description of Reference Numerals
[0024] 100, first adjustment component; 200, second adjustment component; 300, sensor connection component; 1, first slide rail; 2, second slide rail; 3, first guide groove; 4, first slider; 5, second guide groove; 6, second slider; 7, bolt; 8, wind speed sensor; 9, first connecting member; 10, first connecting plate; 11, second connecting plate; 12, fixing bracket. DETAILED DESCRIPTION
[0025] The following is a further detailed description of the implementation of the utility model in conjunction with the accompanying drawings and examples. The detailed description of the following examples and the accompanying drawings are used to exemplarily illustrate the principles of the utility model, but cannot be used to limit the scope of the utility model. The utility model can be implemented in many different forms, not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
[0026] The utility model provides these embodiments to make the utility model thorough and complete, and to fully express the scope of the utility model to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values described in these embodiments should be interpreted as merely exemplary, rather than as limiting.
[0027] It should be noted that, in the description of the present invention, unless otherwise specified, the meaning of "multiple" is greater than or equal to two; the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the orientation or positional relationship, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 a limitation on the present invention. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.
[0028] In addition, the words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. "Vertical" does not mean vertical in the strict sense, but is within the tolerance range. "Parallel" does not mean parallel in the strict sense, but is within the tolerance range. "Include" or "comprising" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements.
[0029] It should also be noted that in the description of the present invention, 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 directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.
[0030] All terms used in the present invention have the same meanings as those understood by ordinary technicians in the field to which the present invention belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.
[0031] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.
[0032] In order to solve the problem that the existing manual wind speed measurement method of a wind turbine cannot achieve accurate measurement of the wind speed distribution, the first aspect of the utility model provides a wind speed auxiliary measurement tool for a wind turbine, the auxiliary measurement tool comprising a first adjustment component 100, a second adjustment component 200 slidably connected to the first adjustment component 100, and a sensor connecting component 300 arranged on the second adjustment component 200, wherein the second adjustment component 200 is arranged to be able to move in a first direction relative to the first adjustment component 100, the sensor connecting component 300 is arranged to be able to move in a second direction perpendicular to the first direction relative to the second adjustment component 200, and the sensor connecting component 300 is arranged to be able to connect a wind speed sensor and make the sensing surface of the wind speed sensor opposite to the air outlet of the wind turbine.
[0033] Among them, Figure 1-2 As shown, the first adjustment component 100 can be used to slide and connect the second adjustment component 200 and guide it to move in the first direction, and the second adjustment component can be used to install the sensor connection component 300 and guide it to move in the second direction. The length of the first adjustment component 100 extending in the first direction can be greater than or equal to the length of the air outlet of the fan in the first direction, and the length of the second adjustment component 200 extending in the second direction can be greater than or equal to the length of the air outlet of the fan in the second direction. In this way, it can be ensured that the movement range of the sensor connection component 300 can cover the entire air outlet area of the fan, and the sensor on the sensor connection component 300 can be positioned to measure different positions of the entire air outlet of the fan and measure the wind speed there, thereby realizing accurate measurement of the wind speed distribution of the fan outlet. The first direction can be a horizontal direction, and the second direction can be a vertical direction.
[0034] In some embodiments, the first adjustment assembly 100 includes a first slide rail 1 and a first slider 4 disposed in the first slide rail 1 and capable of moving along the first direction.
[0035] like Figure 1-2 As shown, the first adjustment component 100 includes a first slide rail 1 and a first slider 4, the first slide rail 1 extends along the first direction, and the second adjustment component 200 is connected to the first adjustment component 100 through the first slider 4. In some specific embodiments, a connecting plate can be provided on the surface of the first slider 4 that contacts the second adjustment component 200 and connected by bolts 7; the first slider 4 and the second adjustment component 200 can also be connected by welding or integral molding. It should be noted that in addition to the slide rail structure, the utility model can also adopt a crank slider structure, a gear rack mechanism, a spiral mechanism, etc. to realize the movement of the first adjustment component 100 in the first direction. A lubricating oil nozzle can be provided on the first slider 4.
[0036] In some embodiments, a first guide groove 3 is provided in the first slide rail 1, and the first guide groove 3 extends along a first direction. The first slider 4 can move in the first guide groove 3 and is screwed to the first slide rail 1. Figure 1-2 As shown in 4-5, the movement of the first slider 4 in the first guide groove 3 can be achieved by manual adjustment or by driving a screw mechanism. After the position of the first slider 4 in the first direction is determined, a first connecting member 9 can be provided on the surface of the first slider 4 and fixed by bolts 7. The first connecting member 9 can be an L-shaped connecting plate. The first slide rail 1 can be made of stainless steel or aluminum alloy.
[0037] In some embodiments, the second adjustment assembly 200 includes a second slide rail 2 and a second slider 6 disposed in the second slide rail 2 and capable of moving along the second direction.
[0038] like Figure 1-2 As shown, the second adjustment component 200 includes a second slide rail 2 and a second slider 6, the second slide rail 2 extends along the second direction, and the second adjustment component 200 is connected to the sensor connection component 300 through the second slider 6. In some specific embodiments, a connecting plate can be provided on the side of the second slider 6 that contacts the second adjustment component 200 and connected by bolts 7; the second slider 6 and the second adjustment component 200 can also be connected by welding or integral molding. It should be noted that in addition to the slide rail structure, the utility model can also use a crank slider structure, a gear rack mechanism, a spiral mechanism, etc. to realize the movement of the second adjustment component 200 in the second direction. A lubricating oil nozzle can be provided on the second slider 6.
[0039] In some embodiments, a second guide groove 5 is provided in the second slide rail 2, and the second guide groove 5 extends along the second direction. The second slider 6 can move in the second guide groove 5 and be screwed to the second slide rail 2. Figure 1-2 As shown, the movement of the second slider 6 in the second guide groove 5 can be achieved by manual adjustment or by driving a screw mechanism. After the position of the second slider 6 in the second direction is determined, an L-shaped connecting plate can be provided on the surface of the second slider 6 and fixed by bolts 7. The second slide rail 2 can be made of stainless steel or aluminum alloy.
[0040] In some embodiments, the sensor connection assembly 300 includes a second connection plate 11, and the extension direction of the second connection plate 11 is set to be parallel to the movement direction of the second adjustment assembly 200. Figure 1-26-7, the second connecting plate 11 may be an L-shaped connecting plate extending in the second direction, and a space may be provided on the second connecting plate 11 to accommodate and fix the wind speed sensor 8. The second connecting plate 11 may change the fixed position of the wind speed sensor 8 from adjustment in the third direction to adjustment in the second direction, thereby enabling the sensing surface of the wind speed sensor 8 to face the air outlet of the fan to avoid being blocked by the second slider 6.
[0041] In some embodiments, the sensor connection assembly 300 further includes a first connection plate 10, the first connection plate 10 extends along a third direction, and the third direction is perpendicular to the first direction and the second direction. Figure 1-2 As shown in 6-7, the first connecting plate 10 can be screwed with the second slider 6 and extend in the third direction, and the first connecting plate 10 can be an L-shaped plate. The second connecting plate 11 is detachably connected to the first connecting plate 10. In some specific embodiments, the second connecting plate 11 can be screwed to different positions of the first connecting plate 10 in the second direction to achieve fine adjustment of the position of the wind speed sensor 8.
[0042] In some embodiments, the adjustment range of the extension length of the first connecting plate 10 in the third direction is set to 0-50 cm. The extension length of the first connecting plate 10 in the third direction is set to be adjustable so that the wind speed sensor 8 can measure the wind speed at different distances from the fan outlet, thereby obtaining the wind speed attenuation of the fan outlet. In some specific embodiments, the adjustment range of the extension length of the first connecting plate 10 in the third direction can be 0-50 cm.
[0043] In some embodiments, the number of the first adjustment component 100 and the second adjustment component 200 is set to at least one. Setting the first adjustment component 100 to multiple can achieve better connection and fixation of the second adjustment component; since the second adjustment component 200 is provided with a sensor 8, setting the second adjustment component 200 to multiple can achieve synchronous measurement of wind speed by multiple sensors 8 at different positions of the fan outlet, achieving multi-point measurement at one time, greatly improving measurement efficiency.
[0044] The second aspect of the utility model provides a fan for hub testing, comprising a fan body and the aforementioned fan wind speed auxiliary measurement tooling arranged at the air outlet of the fan body. Figure 1 , 3 As shown, the fixture can be fixed by installing a fixing frame 12 at the bottom of the auxiliary measuring fixture and connecting the fixing frame 12 to the edge of the fan outlet. The fixing frame 12 can facilitate the disassembly and assembly of the auxiliary measuring fixture and also improve the structural strength of the fixture. When the fan outlet is non-rectangular, the bracket structure can be designed on the fixing frame 12 according to the cross-sectional shape of the outlet to better fix the fixture to the fan.
[0045] In addition, under the condition of ensuring the structural strength, the auxiliary measuring fixture and the fixing frame 12 can be lightweighted, for example, by making the interior hollow, reducing the wall thickness or the plate thickness, etc.
[0046] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.
[0047] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict.
Claims
1. A wind turbine wind speed auxiliary measurement tool, characterized in that: The auxiliary measurement tool comprises a first adjustment component (100), a second adjustment component (200) slidably connected to the first adjustment component (100), and a sensor connection component (300) arranged on the second adjustment component (200), wherein the second adjustment component (200) is arranged to be movable along a first direction relative to the first adjustment component (100), the sensor connection component (300) is arranged to be movable along a second direction perpendicular to the first direction relative to the second adjustment component (200), and the sensor connection component (300) is arranged to be connected to a wind speed sensor so that a sensing surface of the wind speed sensor is opposite to an air outlet of a fan.
2. The wind turbine wind speed auxiliary measurement tool according to claim 1 is characterized in that: The first adjustment assembly (100) comprises a first slide rail (1) and a first sliding block (4) arranged in the first slide rail (1) and capable of moving along the first direction.
3. The wind turbine wind speed auxiliary measurement tool according to claim 2 is characterized in that: A first guide groove (3) is provided in the first slide rail (1), the first guide groove (3) extends along the first direction, and the first sliding block (4) can move in the first guide groove (3) and is screwed to the first slide rail (1).
4. The wind turbine wind speed auxiliary measurement tool according to claim 1, characterized in that: The second adjustment assembly (200) comprises a second slide rail (2) and a second sliding block (6) arranged in the second slide rail (2) and capable of moving along the second direction.
5. The wind turbine wind speed auxiliary measurement tool according to claim 4, characterized in that: The second slide rail (2) is provided with a second guide groove (5), the second guide groove (5) extends along the second direction, and the second sliding block (6) is movable in the second guide groove (5) and is screwed to the second slide rail (2).
6. The wind turbine wind speed auxiliary measurement tool according to claim 1, characterized in that: The sensor connection assembly (300) comprises a second connection plate (11), and the extension direction of the second connection plate (11) is arranged to be parallel to the movement direction of the second adjustment assembly (200).
7. The wind turbine wind speed auxiliary measurement tool according to claim 6, characterized in that: The sensor connection assembly (300) further comprises a first connection plate (10), wherein the first connection plate (10) extends along a third direction, and the third direction is respectively perpendicular to the first direction and the second direction.
8. The wind turbine wind speed auxiliary measurement tool according to claim 7, characterized in that: The adjustment range of the extension length of the first connecting plate (10) in the third direction is set to 0-50 cm.
9. The wind turbine wind speed auxiliary measurement tool according to claim 1, characterized in that: The number of the first adjustment component (100) and the second adjustment component (200) is set to at least one.
10. A fan for hub testing, characterized in that: The invention comprises a fan main body and a fan wind speed auxiliary measurement tool according to any one of claims 1 to 9 and arranged at the air outlet of the fan main body.