Detection device, floating foundation, tension measuring method and wind generating set

Abstract

The invention relates to a detection device, a floating foundation, a tension measuring method and a wind generating set, and the detection device comprises a housing which is provided with a containing cavity and a through hole; the measuring assembly comprises a plurality of measuring single bodies, and the absolute value of the difference value between the maximum tension measuring ranges of every two measuring single bodies is larger than zero. The blocking assembly comprises two or more blocking bodies distributed around the axis of the through hole at intervals. The force uniformizing piece is clamped between the measuring assembly and the blocking assembly, the traction component can penetrate through the force uniformizing piece and extend out of the shell through the through hole, the ends, away from each other, of the blocking bodies are connected with the force uniformizing piece in the radial direction of the through hole, and the ends, facing each other, of the blocking bodies are distributed at intervals and configured to make contact with the traction component; and the tension applied to the traction part is distributed to each measuring single body through the force equalizing part according to a preset proportion. The tension of the traction component under different loads can be accurately measured, and the requirement of fatigue analysis of the traction component for lower load acting force data acquisition is met.

Description

Technical Field

[0001] The present invention relates to the field of detection technology, and in particular to a detection device, a floating foundation, a tension measurement method, and a wind turbine generator set. Background Art

[0002] The detection device can be used to measure the tension borne by the connected traction components such as cables, ropes and mooring chains. Taking the floating foundation as an example, the floating foundation can be used to support the unit tower or signal tower. To ensure the stability of the floating foundation, it can be achieved through mooring. Specifically, a mooring chain can be connected to the foundation body. During use, the floating foundation not only needs to resist the wave load, but also the load of wind force on the unit tower or signal tower. The monitoring of the mooring tension under these loads is an important collection data for each wind turbine foundation.

[0003] Since the ultimate load of the floating foundation is very large, the traditional large-range force measuring piece can measure the ultimate tension of the mooring chain. However, due to the limitation of the accurate measurement range of the force measuring piece, it is impossible to accurately measure the tension of the mooring chain when it is under low load, and therefore cannot reliably meet the low-load tension data collection work of mooring chain fatigue analysis. Summary of the invention

[0004] The embodiments of the present invention provide a detection device, a floating foundation, a tension measurement method, and a wind turbine generator set. The detection device can measure the tension of a traction component under different loads, which is conducive to reliably meeting the demand for collecting data on lower load forces for fatigue analysis of the traction component.

[0005] On the one hand, according to an embodiment of the present invention, a detection device is proposed, which is used to cooperate with a traction component and detect the tension borne by the traction component, and the detection device includes: a shell, having a accommodating cavity and a through hole, the through hole is arranged to penetrate the shell along a first direction and is connected to the accommodating cavity; a measuring component, arranged in the accommodating cavity, the measuring component includes a plurality of measuring units, and the absolute value of the difference between the maximum tension measurement ranges of each two measuring units is greater than zero; a blocking component, arranged in the accommodating cavity, the blocking component includes more than two blocking bodies spaced apart around the axis of the through hole; a force equalizing member, clamped between the measuring component and the blocking component, the force equalizing member is provided with an opening extending along the first direction, and the traction component can pass through the opening and extend out of the shell through the through hole; wherein, along the radial direction of the through hole, one end of each blocking body facing away from each other is respectively connected to the force equalizing member, and one end of each blocking body facing each other is spaced apart from each other and is configured to contact the traction component, so as to distribute the tension applied to the traction component to each measuring unit through the force equalizing member according to a preset proportion.

[0006] According to one aspect of an embodiment of the present invention, the multiple measuring units include a first measuring unit, a second measuring unit and a third measuring unit, the tension measurement range of the first measuring unit is in the range of 0-F1, the tension measurement range of the second measuring unit is in the range of 0-F2, and the tension measurement range of the third measuring unit is in the range of 0-F3, wherein F1<F2<F3.

[0007] According to one aspect of the embodiment of the present invention, the number of the measuring units is three, and the connecting line of the orthographic projections of the centers of the three measuring units in the first direction forms an equilateral triangle or an isosceles triangle.

[0008] According to one aspect of an embodiment of the present invention, the force equalizing member includes a force-bearing body and two or more support seats, the force-bearing body covers each measuring unit in a first direction, the opening is arranged on the force-bearing body, each support seat is arranged on the force-bearing body, and each blocking body is hinged to one of the support seats.

[0009] According to one aspect of the embodiments of the present invention, the load-bearing body is overall plate-shaped and its outer periphery is spaced apart from the inner wall of the shell, and more than two support seats are spaced apart and evenly arranged around the axis.

[0010] According to one aspect of an embodiment of the present invention, the measuring unit includes a protective shell and a sensor, the protective shell has a cavity and the sensor is arranged in the cavity, along a first direction, the sensor abuts against at least part of the protective shell, and the force equalizing member abuts against the protective shell to squeeze the sensor.

[0011] According to one aspect of an embodiment of the present invention, the protective shell includes a receiving portion and a protruding portion that are interconnected, the receiving portion and the protruding portion enclose a cavity, the sensor abuts against the protruding portion along a first direction, the protruding portion protrudes out of the receiving portion toward a side away from the cavity, and the protective shell abuts against the force equalizing member through the protruding portion.

[0012] According to one aspect of the embodiment of the present invention, the measuring unit further includes an adjusting member, which is disposed in the cavity and located on a side of the sensor away from the protruding portion, and the length of the adjusting member in the first direction is adjustable.

[0013] On the other hand, according to an embodiment of the present invention, there is provided a floating foundation, comprising: a floating body; a traction component connected between the floating body and the seabed; the above-mentioned detection device is arranged on the floating body, the traction component passes through the opening and extends out of the shell from the through hole, one end of the traction component is fixed to the shell, and one end of each blocking body facing each other is spaced apart from each other and in contact with the traction component, and the traction component can drive the blocking body to rotate and press against the force equalizing member.

[0014] According to another aspect of the embodiment of the present invention, the floating foundation also includes a guide wheel, and the traction component is correspondingly provided with at least one guide wheel, the guide wheel is rotatably connected to the floating body and abuts against the traction component, so that the traction component at least partially extends along the first direction.

[0015] In another aspect, a method for measuring mooring tension is provided according to an embodiment of the present invention, which is used for the above-mentioned floating foundation. The method for measuring mooring tension includes:

[0016] Obtaining the value of the force borne by each measuring unit in the detection device connected to the traction component;

[0017] According to the order of the maximum tension measurement ranges of multiple measuring units from small to large, the value of the first measuring unit that does not exceed its own maximum tension measurement range is selected as the basic force value;

[0018] According to the basic force value and the preset ratio, the component force value borne by each measuring unit of the detection device other than the basic force value displayed is determined;

[0019] The mooring tension of the traction component is determined according to the basic force value and the sum of the values ​​of each component force.

[0020] In yet another aspect, a wind turbine generator set is provided according to an embodiment of the present invention, comprising the above-mentioned floating foundation.

[0021] According to the detection device, floating foundation and tension measurement method, and wind turbine generator set provided by the embodiments of the present invention, the detection device includes a shell, a measuring component, a blocking component and a force equalizing member, the measuring component is arranged in the accommodating cavity of the shell, the measuring component includes a plurality of measuring units, the force equalizing member is arranged between the measuring component and the blocking component, the two or more blocking bodies of the blocking component are connected to the force equalizing member at one end radially away from each other, and the ends facing each other are configured to contact the traction component, when the detection device is in use, the traction component can pass through the through hole of the shell and the opening of the force equalizing member and abut against the ends of each blocking body facing each other, so that when the traction component is stretched by an external force, the tension borne by the traction component can be distributed to each measuring unit according to a preset ratio through each blocking body and the force equalizing member, When the absolute value of the difference between the maximum tension measurement ranges of every two measuring units is greater than zero, the value of the first measuring unit that does not exceed its own maximum tension measurement range can be selected as the basic force value in the order of the maximum tension measurement ranges of the multiple measuring units from small to large, and then the forces borne by other measuring units other than the basic force value are determined according to the basic force value and the known proportions allocated to each measuring unit. The tension of the traction component can be determined by adding up the forces borne by all measuring units. By reading the data of the measuring units of the applicable range under different tension conditions, multi-range mooring tension measurement can be realized, and the accuracy of the measurement structure can be guaranteed, which is conducive to meeting the demand for collecting lower load force data for fatigue analysis of traction components. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Features, advantages, and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

[0023] Figure 1 is a schematic structural diagram of a wind turbine generator set according to an embodiment of the present invention;

[0024] Figure 2 is a schematic structural diagram of a floating foundation according to an embodiment of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the detection device and the traction component in cooperation with each other according to one embodiment of the present invention;

[0026] Figure 4 The present invention Figure 3 The cross-sectional view along the AA direction;

[0027] Figure 5 is a schematic structural diagram of the cooperation between the detection device and the traction component of another embodiment of the invention;

[0028] Figure 6 yes Figure 5 The cross-sectional view along the BB direction;

[0029] Figure 7 yes Figure 4 Cross-sectional view along CC direction;

[0030] Figure 8 It is a schematic flow chart of a method for measuring mooring tension according to an embodiment of the present invention.

[0031] in:

[0032] 100- detection device;

[0033] 10-housing; 11-accommodating cavity; 12-through hole;

[0034] 20-measuring component; 21-measuring unit; 21a-first measuring unit; 21b-second measuring unit; 21c-third measuring unit; 211-protective shell; 211a-accommodating part; 211b-protruding part; 212-sensor; 213-adjusting member;

[0035] 30-blocking component; 31-blocking body;

[0036] 40-force equalizing member; 41-load bearing body; 411-opening; 42-support seat;

[0037] 1- floating foundation; 101- floating body; 101a- main floating body; 101b- auxiliary floating body; 101c- connecting rod;

[0038] 102- traction component; 103- guide wheel;

[0039] 2-tower; 3-nacelle; 4-generator; 5-impeller; 5a-hub; 5b-blade;

[0040] X-first direction; Y-radial direction.

[0041] In the drawings, the same reference numerals are used for the same components. The drawings are not drawn to scale. DETAILED DESCRIPTION

[0042] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the detailed description below, many specific details are proposed in order to provide a comprehensive understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least part of the known structures and technologies are not shown in order to avoid unnecessary ambiguity of the present invention; and, for clarity, the size of some structures may be exaggerated. In addition, the features, structures or characteristics described below may be combined in one or more embodiments in any suitable manner.

[0043] The directional words appearing in the following description are all directions shown in the figures, and do not limit the specific structures of the detection device, floating foundation and tension measurement method of the present invention. In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" 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. 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.

[0044] For offshore wind turbines, fixed foundation structures are generally used in shallow sea areas with a water depth of less than 40 meters. However, with the development of offshore wind power in recent years, the available sea area for fixed foundations has been decreasing. In order to achieve sustainable development of offshore wind power, deep-sea floating wind power must be vigorously developed.

[0045] like Figure 1 As shown, based on this, an embodiment of the present application provides a wind turbine generator set, including a floating foundation 1, a tower 2, a nacelle 3, a generator and an impeller 4. The tower 2 is connected to the floating foundation 1, the nacelle 3 is arranged at the top of the tower 2, and the nacelle 3 includes a base, and the nacelle 3 can be connected to the tower 2 through the base. The generator is arranged in the nacelle 3. In some examples, the generator can be located outside the nacelle 3. Of course, in some examples, the generator can also be located inside the nacelle 3. The impeller 4 includes a hub 4a and a plurality of blades 4b connected to the hub 4a, and the blades 4b can rotate relative to the hub 4a to achieve variable pitch. The generator includes a rotor and a stator that are rotatably matched, the rotor can be connected to the hub 4a, and the stator can be connected to the base of the nacelle 3. When the wind acts on the blades 4b, the blades 4b drive the hub 4a to rotate, and then drive the rotor to rotate relative to the stator, so as to realize the power generation demand of the wind turbine generator set.

[0046] The current floating foundation 1 is mostly positioned and moored using a catenary tensioned mooring system. For new floating foundations, it is necessary to resist not only wave loads but also wind turbine loads. Monitoring the tension of the traction components under these loads is an important data collection for each new floating wind turbine foundation.

[0047] Based on this, the embodiment of the present application provides a new floating foundation 1, which can be used for the wind turbine generator set provided in the above embodiments, and of course can also be used to support structures such as signal towers. The following will take the floating foundation 1 used for the wind turbine generator set as an example for illustration.

[0048] like Figure 2 As shown, a floating foundation 1 provided by an embodiment of the present application includes a floating body 101 , a detection device 100 and a traction component 102 . The traction component 102 is connected between the floating body 101 and the seabed, and the detection device 100 is arranged on the floating body 101 .

[0049] The detection device 100 can be used to measure the tension borne by the connected traction components 102 such as cables, cables and mooring chains. During use, the floating foundation 1 not only needs to resist the wave load, but also the load of wind force on the unit tower 2 or the signal tower 2. The monitoring of the mooring tension under these loads is an important collection data for each wind turbine foundation.

[0050] Since the ultimate load of the floating foundation 1 is very large, the traditional floating foundation 1 uses a large-range force measuring piece, which can measure the ultimate tension of the mooring chain. However, due to the limitation of the accurate measurement range of the force measuring piece, it is impossible to accurately measure the tension of the mooring chain when it is under low load. For example, if the maximum tension measurement range of the measuring piece is 500t, its accurate measurement range is between 100t-400t. Therefore, for the tension under low load less than 100t, it cannot meet the work of collecting low-load tension data for mooring chain fatigue analysis.

[0051] like Figure 3 as well as Figure 4 As shown, based on this, an embodiment of the present application further provides a new detection device 100, which can be manufactured and sold as an independent product, and of course, can also be used in the floating foundation 1 provided in the above embodiments and serve as a component of the floating foundation 1. The detection device 100 can accurately measure the tension of the traction component 102 under different loads, which is conducive to meeting the demand for collecting data on lower load forces for fatigue analysis of the traction component 102.

[0052] The detection device 100 provided in one embodiment of the present application is used to cooperate with the traction component 102 and detect the tension borne by the traction component 102. The detection device 100 includes a housing 10, a measuring assembly 20, a blocking assembly 30 and a force equalizing member 40. The housing 10 has a housing cavity 11 and a through hole 12. The through hole 12 is arranged along the first direction X through the housing 10 and communicates with the housing cavity 11. The measuring assembly 20 is arranged in the housing cavity 11. The measuring assembly 20 includes a plurality of measuring monomers 21. The absolute value of the difference between the maximum tension measurement ranges of each two measuring monomers 21 is greater than zero. The blocking assembly 30 is arranged in the housing cavity 11. The blocking assembly 30 includes more than two blocking bodies 31 spaced apart around the axis of the through hole 12. The force equalizing member 40 is clamped and arranged between the measuring assembly 20 and the blocking assembly 30. The force equalizing member 40 is provided with an opening 411 extending along the first direction X. The traction component 102 can pass through the opening 411 and extend out of the housing 10 from the through hole 12. Among them, along the radial direction Z of the through hole 12, the ends of each blocking body 31 facing away from each other are respectively connected to the force equalizing member 40, and the ends of each blocking body 31 facing each other are spaced apart from each other and configured to contact the traction component 102, so as to distribute the tension applied to the traction component 102 to each measuring unit 21 according to a preset proportion through the force equalizing member 40.

[0053] The housing 10 may include a top wall and a bottom wall in the first direction X. The through hole 12 may penetrate the top wall and the bottom wall. The through hole 12 is used to allow the traction component 102 to pass through the housing 10 .

[0054] The number of measuring units 21 included in the measuring assembly 20 may be three or more, which may be set according to the measurement requirements, and three may be selected. The measuring units 21 include but are not limited to detection devices such as pressure sensors 212 that can detect tension or pressure. Multiple measuring units 21 may be spaced and evenly arranged around the axis of the through hole 12. Of course, multiple measuring units 21 may also be distributed in an unequally spaced manner according to the situation, so as to ensure that the tension applied to the traction component 102 is distributed to each measuring unit 21 according to a preset ratio through the force equalizing member 40.

[0055] The force equalizing member 40 can be supported on each measuring unit 21 under the action of gravity. The opening 411 provided on the force equalizing member 40 can be arranged opposite to the through hole 12 in the first direction X, and the two can be arranged coaxially.

[0056] The number of the blocking bodies 31 included in the blocking assembly 30 may be two, three or more, and optionally, more than two blocking bodies 31 may be spaced and evenly arranged around the circumference of the through hole 12 .

[0057] The preset ratio can be determined according to the number and distribution pattern of the plurality of measuring units 21 , so that when reading the component force value measured by one of the measuring units 21 , the component force values ​​of the force shared by other measuring units 21 can be obtained according to the preset ratio obtained by the force equalizing member 40 .

[0058] The detection device 100 provided in one embodiment of the present application, when used in a floating foundation 1, can enable the traction component 102 to pass through the opening 411 and extend out of the shell 10 from the through hole 12, one end of the traction component 102 is fixed to the shell 10, and the ends of the blocking bodies 31 facing each other are spaced apart from each other and contact the traction component 102, and the traction component 102 can drive the blocking bodies 31 to rotate and press against the force equalizing member 40. When the traction component 102 is stretched by an external force, the tension borne by the traction component 102 can be distributed to each measuring unit 21 according to a preset ratio through each blocking body 31 and the force equalizing member 40. Since the absolute value of the difference between the maximum tension measurement ranges of each two measuring units 21 is greater than zero, the value of the first measuring unit 21 that does not exceed its own maximum tension measurement range can be selected as the basic force value in the order of the maximum tension measurement ranges of the multiple measuring units 21 from small to large, and then the forces borne by other measuring units 21 other than the basic force value are determined according to the basic force value and the known proportions distributed to each measuring unit 21. Then, the tension of the traction component 102 can be determined by adding up the forces borne by all measuring units, and the data of the measuring units 21 of the applicable range can be read under different tension conditions. In this way, multi-range mooring tension measurement can be achieved, and the accuracy of the measurement structure can be guaranteed, which is conducive to meeting the requirements for collecting data on lower load forces for fatigue analysis of the traction component 102.

[0059] In some optional embodiments, in a detection device 100 provided by an embodiment of the present application, the multiple measuring units 21 include a first measuring unit 21a, a second measuring unit 21b and a third measuring unit 21c, the tension measurement range of the first measuring unit 21a is in the range of 0-F1, the tension measurement range of the second measuring unit 21b is in the range of 0-F2, and the tension measurement range of the third measuring unit 21c is in the range of 0-F3, wherein F1<F2<F3.

[0060] Through the above settings, the maximum tension measurement range of the first measuring unit 21a is F1, the maximum tension measurement range of the second measuring unit 21b is F2, and the maximum tension measurement range of the third measuring unit 21c is F3. Ensure that the absolute value of the difference between the maximum tension measurement ranges of any two measuring units 21 is greater than zero.

[0061] A detection device 100 provided in an embodiment of the present application can, when in use, obtain the value of the force borne by each measuring unit 21 in the detection device 100 connected to the traction component 102, and select the value of the first measuring unit 21 that does not exceed its own maximum tension measurement range in order from small to large according to the maximum tension measurement ranges of the multiple measuring units 21 as the basic force value. According to the basic force value and a preset ratio, the component force values ​​borne by the remaining measuring units 21 other than the basic force value displayed by the detection device 100 are determined, and the mooring tension of the traction component 102 is determined according to the basic force value and the sum of the component force values, so as to ensure the accuracy of the measurement.

[0062] For example, F1 can be equal to 40t, the accurate measurement range is 8t-32t, F2 can be equal to 150t, the accurate measurement range is 30t-120t, and F3 can be equal to 500t, the accurate measurement range is 100t-400t. When the detection device 100 is in use, the tension value of each measuring monomer 21 can be obtained. If the measurement value of the first measuring monomer 21a does not reach F1, the value measured by the first measuring monomer 21a is used as the basic force value. When the first measuring monomer 21a, the second measuring monomer 21b and the third measuring monomer 21c are spaced and evenly distributed, the preset ratio is 1:1:1, and the component force values ​​of the second measuring monomer 21b and the third measuring monomer 21c are equal to the basic force value, and 3 times the basic force value is equal to the mooring tension of the traction component 102. If the measurement value of the first measuring monomer 21a reaches F1, and the measurement value of the second measuring monomer 21b does not reach F2, the value measured by the second measuring monomer 21b is used as the basic force value. In the same case, three times the basic force value is equal to the mooring tension of the traction component 102. It can be understood that the preset ratio of 1:1:1 is only an optional implementation method. In some embodiments, other ratios, such as 1:2:1, can be set according to the arrangement of multiple measuring monomers 21. Through the above settings, it can be compared with the detection device with a maximum tension measurement range of 500t used alone or in full in the prior art. The accurate measurement range of the detection device 100 provided in one embodiment of the present application is increased from 100t-400t to 8t-400t. The detection device 100 can accurately measure the tension of the traction component 102 under different loads, which is conducive to meeting the demand for collecting data on lower load forces for fatigue analysis of the traction component 102.

[0063] In some optional embodiments, in a measuring device provided by an embodiment of the present application, the number of measuring units 21 is three, and the orthographic projection line of the centers of the three measuring units 21 in the first direction X forms an equilateral triangle or an isosceles triangle.

[0064] By making the number of measuring units 21 three, the principle of statically determinate support of three plane fulcrums and moment balance is used to make the three supports bear the same force, and three sensors 212 with different ranges are arranged at the fulcrums. According to the force size, the data of the sensor 212 with the appropriate range is read to obtain accurate tension data.

[0065] The three measuring units 21 may be spaced and evenly arranged around the axis of the through hole 12 , so that a line connecting the orthographic projections of the centers of the three measuring units 21 in the first direction X forms a regular polygon.

[0066] like Figure 5 as well as Figure 6 As shown, of course, in some embodiments, the connecting line of the orthographic projections of the centers of the three measuring monomers 21 in the first direction X may also be made to be a regular isosceles triangle. By adopting the three-point measurement method of unequal moment, the load ratio of each measuring monomer 21 is converted, and the preset ratio of the tension applied to the traction component to each measuring monomer 21 through the force equalizer can also be determined. In this case, the preset ratio can be obtained based on the statistical calculation of multiple measurement values, or can be measured based on force analysis, to ensure that an accurate basic force value is measured by one of the multiple measuring monomers 21, and then the corresponding values ​​of other measuring monomers 21 are calculated according to the preset ratio, and the above-mentioned force values ​​are added to obtain the mooring tension corresponding to the traction component 102.

[0067] It can be understood that the above examples are all based on the number of three measuring units 21. In some embodiments, the number of measuring units 21 can also be four or five. When it is four, they can be spaced and evenly arranged. The preset ratio is 1:1:1:1. Of course, unequal torque distribution about the center line of the through hole can be adopted, such as 1:2:2:1, etc., which can ensure that the detection device can measure the tension of the traction component under different loads, which is conducive to reliably meeting the requirements of fatigue analysis of the traction component for collecting lower load force data.

[0068] In some optional embodiments, a detection device 100 is provided in one embodiment of the present application, wherein the force equalizing member 40 includes a force-bearing body 41 and two or more support seats 42, the force-bearing body 41 covers each measuring unit 21 in the first direction X, the opening 411 is provided on the force-bearing body 41, each support seat 42 is provided on the force-bearing body 41, and each blocking body 31 is hinged to one of the support seats 42.

[0069] In the detection device 100 provided by one embodiment of the present application, the force equalizing member 40 adopts the above-mentioned embodiment, which is conducive to the installation of the blocking body 31, and the rotation connection between the blocking body 31 and the support seat 42 allows the tension borne by the traction component 102 to be distributed to each measuring unit 21 according to a preset ratio through the force equalizing member 40, thereby ensuring the accuracy of the overall tension measurement of the traction component 102. At the same time, the rotation connection form is conducive to ensuring the pressure effect on the force equalizing member 40 when the traction component 102 is pulled down, and when the traction component 102 is lifted up, the blocking body 31 can be rotated to the side away from the axis of the through hole 12 to avoid blocking the traction component 102 when it is lifted up, which is conducive to the disassembly, assembly and replacement of the traction component 102, and can also avoid the overall movement of the force equalizing member 40 when it is lifted up.

[0070] In some optional embodiments, in a detection device 100 provided by an embodiment of the present application, the load-bearing body 41 is overall plate-shaped and the outer periphery is spaced apart from the inner wall of the shell 10, and more than two support seats 42 are spaced apart and evenly arranged around the axis.

[0071] The number of the support seats 42 may be equal to the number of the blocking bodies 31 and they may be arranged one to one.

[0072] Through the above arrangement, the pulling force borne by the traction component 102 can be evenly distributed to the force equalizing member 40, further ensuring the accuracy of the measurement.

[0073] like Figure 7 As shown, in some optional embodiments, the measuring unit 21 includes a protective shell 211 and a sensor 212, the protective shell 211 has a cavity and the sensor 212 is arranged in the cavity, along the first direction X, the sensor 212 abuts against at least part of the protective shell 211, and the force equalizing member 40 abuts against the protective shell 211 to squeeze the sensor 212.

[0074] The measuring unit 21 adopts the above-mentioned structural form, which can not only protect the sensor 212 through the protective shell 211, but also transmit the force to the sensor 212 through the protective shell 211, and obtain accurate tension data allocated to the corresponding measuring unit 21 through the reading of the sensor 212.

[0075] In some optional embodiments, an embodiment of the present application provides a detection device 100, wherein the protective shell 211 includes a receiving portion 211a and a protruding portion 211b that are connected to each other, the receiving portion 211a and the protruding portion 211b enclose a cavity, the sensor 212 abuts against the protruding portion 211b along the first direction X, the protruding portion 211b protrudes out of the receiving portion 211a toward the side away from the cavity, and the protective shell 211 abuts against the force equalizing member 40 through the protruding portion 211b.

[0076] The protective shell 211 adopts the above-mentioned structural form, which can not only ensure the protection of the sensor 212, but also the above-mentioned setting is conducive to the contact between the protective shell 211 and the force equalizing member 40 and the sensor 212 through the protrusion 211b, ensuring that the reading of the sensor 212 is accurately distributed to the tension data on the corresponding measuring unit 21.

[0077] In some optional embodiments, the detection device 100 provided in one embodiment of the present application, the measuring unit 21 further includes an adjusting member 213, the adjusting member 213 is arranged in the cavity and located on the side of the sensor 212 away from the protrusion 211b, and the length of the adjusting member 213 in the first direction X is adjustable. Through the above arrangement, the relative position of the sensor 212 and the top of the protective shell 211 can be adjusted to ensure that the contact force between the two is moderate. Avoid excessive pressure from crushing the sensor 212.

[0078] Optionally, the adjusting member 213 includes but is not limited to a spring, a damping cylinder, a telescopic cylinder, etc., and has a certain degree of freedom of fine adjustment. When the pressure on the sensor 212 exceeds the maximum tensile measurement range that it can withstand, the adjusting member 213 can be compressed to adjust adaptively to avoid crushing or damaging the sensor 212.

[0079] A detection device 100 provided in an embodiment of the present application can increase the measurement range of the mooring system to meet the requirements of high load limit load and low load fatigue load measurement, thereby improving the measurement accuracy.

[0080] When the detection device 100 is used on the floating foundation 1, the number of the detection devices 100 can be set according to the number of traction components 102 included in the floating foundation 1. Each traction component 102 is correspondingly provided with a detection device 100. One end of the traction component 102 is fixed to the shell 10, and the ends of the blocking bodies 31 facing each other are spaced apart from each other and contact the traction component 102. The traction component 102 can drive the blocking body 31 to rotate and press the force equalizing member 40.

[0081] The floating foundation 1 provided in one embodiment of the present application includes the detection device 100 provided in the above embodiments, and can accurately measure the mooring tension of each traction component 102, thereby improving the safety of the floating foundation 1.

[0082] The traction components 102 include, but are not limited to, mooring chains, cables, and the like.

[0083] Continue to read Figure 2As shown, optionally, the floating body 101 may include a main floating body 101a and a plurality of auxiliary floating bodies 101b, the plurality of auxiliary floating bodies 101b may be spaced and evenly arranged around the main floating body 101a, each of the auxiliary floating bodies 101b is connected to the main floating body 101a via a connecting rod 101c. Each auxiliary floating body may be connected to a traction component 102, and each traction component 102 may be connected to a detection device 100.

[0084] The floating body 101 adopts the above-mentioned form, which has a simple structure and is conducive to supporting structures such as the tower frame 2 and the signal tower.

[0085] In some optional embodiments, a floating foundation 1 is provided in one embodiment of the present application, and the floating foundation 1 also includes a guide wheel 103. The traction component 102 is correspondingly provided with at least one guide wheel 103. The guide wheel 103 is rotatably connected to the floating body 101 and abuts against the traction component 102, so that the traction component 102 at least partially extends along the first direction X.

[0086] The floating foundation 1 provided in the embodiment of the present application can enable the area where the traction component 102 cooperates with the detection device 100 to extend along the first direction X by setting the guide wheel 103, thereby ensuring that the tension borne can be relatively evenly distributed to each measuring unit 21, thereby improving the measurement accuracy.

[0087] like Figure 8 As shown, in another aspect, an embodiment of the present application further provides a method for measuring mooring tension, which is used for the above-mentioned floating foundation 1. The method for measuring mooring tension includes:

[0088] S100, obtaining a value of a force borne by each measuring unit 21 in the detection device 100 connected to the traction component 102;

[0089] S200, selecting the value of the first measuring unit 21 that does not exceed its own maximum tension measurement range as the basic force value according to the maximum tension measurement ranges of the multiple measuring units 21 from small to large;

[0090] S300, determining the component force values ​​of the remaining measuring units 21 borne by the detection device 100 in addition to the displayed basic force value according to the basic force value and the preset ratio;

[0091] S400: Determine the mooring tension of the traction component 102 according to the basic force value and the sum of each component force value.

[0092] For example, Figure 4As shown, taking the number of measuring monomers 21 as three as an example, the tension value of each measuring monomer 21 can be obtained. If the measurement value of the first measuring monomer 21a does not reach the maximum tension measurement range, the value measured by the first measuring monomer is used as the basic force value. When the first measuring monomer 21a, the second measuring monomer 21b and the third measuring monomer 21c are spaced and evenly distributed, the preset ratio is 1:1:1, and the component force values ​​of the second measuring monomer 21b and the third measuring monomer 21c are equal to the basic force value, and 3 times the basic force value is equal to the mooring tension of the traction component 102. If the measurement value of the first measuring monomer 21a reaches F1, and the measurement value of the second measuring monomer 21b does not reach F2, the value measured by the second measuring monomer 21b is used as the basic force value. In this case, 3 times the basic force value is equal to the mooring tension of the traction component 102.

[0093] A mooring tension measurement method provided in an embodiment of the present application can be used for testing the mooring tension of the above-mentioned floating foundation 1. Since the floating foundation 1 includes the detection device 100 provided in the above-mentioned embodiments, in conjunction with the testing method, the mooring tension corresponding to the traction component 102 can be quickly and accurately measured, which is beneficial to evaluating the safety of the traction component 102 and the floating foundation 1 to which it is applied, and is beneficial to monitoring the floating foundation 1 and optimizing and improving the safety.

[0094] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope 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 are no structural conflicts. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A detection device, used to cooperate with a traction component and detect the tension borne by the traction component, characterized in that: The detection device comprises: A housing having a receiving cavity and a through hole, wherein the through hole penetrates the housing in a first direction and communicates with the receiving cavity; A measuring component is arranged in the accommodating cavity, wherein the measuring component comprises a plurality of measuring units, and the absolute value of the difference between the maximum tension measurement ranges of every two measuring units is greater than zero; A blocking assembly is disposed in the accommodating cavity, and the blocking assembly includes two or more blocking bodies spaced apart and distributed around the axis of the through hole; a force equalizing member, clamped between the measuring assembly and the blocking assembly, the force equalizing member being provided with an opening extending along the first direction, the traction member being able to pass through the opening and extend out of the housing through the through hole; Among them, along the radial direction of the through hole, one end of each blocking body facing away from each other is respectively connected to the force equalizing member, and one end of each blocking body facing each other is spaced apart from each other and configured to contact the traction component, so as to distribute the pulling force applied to the traction component to each measuring unit according to a preset proportion through the force equalizing member.

2. The detection device according to claim 1, characterized in that: The multiple measuring units include a first measuring unit, a second measuring unit and a third measuring unit. The tension measurement range of the first measuring unit is 0-F1, the tension measurement range of the second measuring unit is 0-F2, and the tension measurement range of the third measuring unit is 0-F3, wherein F1<F2<F3.

3. The detection device according to claim 1, characterized in that: The number of the measuring units is three, and a connecting line of the orthographic projections of the centers of the three measuring units in the first direction forms an equilateral triangle or an isosceles triangle.

4. The detection device according to claim 1, characterized in that: The force-equalizing member includes a force-bearing body and two or more support seats. The force-bearing body covers each of the measuring units in the first direction. The opening is arranged on the force-bearing body. Each of the support seats is arranged on the force-bearing body. Each of the blocking bodies is hinged to one of the support seats.

5. The detection device according to claim 4, characterized in that: The load-bearing body is in the shape of a plate as a whole, and its outer periphery is spaced apart from the inner wall of the shell, and more than two support seats are spaced apart and evenly arranged around the axis.

6. The detection device according to any one of claims 1 to 5, characterized in that: The measuring unit includes a protective shell and a sensor, the protective shell has a cavity and the sensor is arranged in the cavity, along the first direction, the sensor abuts against at least part of the protective shell, and the force equalizing member abuts against the protective shell to squeeze the sensor.

7. The detection device according to claim 6, characterized in that: The protective shell includes a receiving portion and a protruding portion that are connected to each other, the receiving portion and the protruding portion enclose the cavity, the sensor abuts against the protruding portion along the first direction, the protruding portion protrudes out of the receiving portion toward a side away from the cavity, and the protective shell abuts against the force equalizing member through the protruding portion.

8. The detection device according to claim 7, characterized in that: The measuring unit further includes an adjusting member, which is disposed in the cavity and located on a side of the sensor away from the protruding portion, and the length of the adjusting member in the first direction is adjustable.

9. A floating foundation, characterized in that: include: Floating body; A traction component connected between the floating body and the seabed; The detection device according to any one of claims 1 to 8 is arranged on the floating body, the traction component passes through the opening and extends out of the shell from the through hole, one end of the traction component is fixed to the shell, and one end of each of the blocking bodies facing each other is spaced apart from each other and in contact with the traction component, and the traction component can drive the blocking body to rotate and press the force equalizing member.

10. The floating foundation according to claim 9, characterized in that: The floating foundation further includes a guide wheel, and the traction component is correspondingly provided with at least one guide wheel. The guide wheel is rotatably connected to the floating body and abuts against the traction component, so that the traction component at least partially extends along the first direction.

11. A method for measuring mooring tension, used for the floating foundation according to claim 9 or 10, characterized in that: The mooring tension measurement method comprises: Obtaining a value of the force borne by each measuring unit in the detection device connected to the traction component; According to the maximum tension measurement ranges of the plurality of measurement units, from small to large, the value of the first measurement unit that does not exceed its own maximum tension measurement range is selected as the basic force value; Determine, according to the basic force value and the preset ratio, the component force value that the detection device bears except for the basic force value displayed; The mooring tension of the traction component is determined according to the basic force value and the sum of the component force values.

12. A wind turbine generator set, characterized in that: Comprising the floating foundation as claimed in claim 9 or 10.

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