Multifunctional test carrier for wing leading edge structure
By designing a multifunctional test platform for wing leading edge structure, the compatibility problem of testing the wing leading edge of low-speed aircraft in microwave anechoic chambers and ice wind tunnels was solved, enabling rapid switching, reducing test costs, and shortening the test cycle.
Patent Information
- Application Number
- CN202423163380.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In the existing technology, it is difficult to meet the test requirements of low detectability and anti-icing function of the leading edge of low-speed aircraft wings in both microwave anechoic chamber and ice wind tunnel. A carrier is needed that can meet the test requirements of both microwave anechoic chamber and ice wind tunnel.
Design a multifunctional test carrier for wing leading edge structure, including a test section simulating the wing leading edge and a metal carrier. By docking, a microwave anechoic chamber and an ice wind tunnel test carrier are formed, enabling rapid switching and reducing the design and manufacturing of test carriers.
It enables rapid switching between microwave anechoic chamber and ice wind tunnel test platforms, reducing test costs and shortening the test cycle.
Smart Images
Figure CN223512916U_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the field of aerospace technology, and specifically relates to a multifunctional test carrier for wing leading edge structure. Background Technology
[0002] The leading edge of a low-speed aircraft wing needs to meet both low observability and anti-icing requirements. These two functions require testing in both a microwave anechoic chamber and an ice wind tunnel. Both tests require a testing platform to eliminate the influence of the wing leading edge cutoff surface on the test results. A platform is needed that can simultaneously meet the requirements of microwave anechoic chamber and ice wind tunnel testing. Summary of the Invention
[0003] To address the aforementioned problems, this application provides a multifunctional test platform for wing leading edge structures, comprising:
[0004] Test section for simulating the middle of the wing leading edge, test section tip transition section for simulating the wingtip leading edge, and test section root transition section for simulating the wing root leading edge;
[0005] Metal carrier used to simulate the middle section of the wing's rear section, metal carrier tip used to simulate the tip of the wing's rear section, and metal carrier root used to simulate the root of the wing's rear section.
[0006] One end face of the root of the test section is connected to the end face of the root transition section of the test section, and one end face of the tip of the test section is connected to the end face of the tip transition section of the test section. The test section, the root transition section of the test section, and the tip transition section of the test section form the leading edge of the wing.
[0007] The metal carrier root and one side end face are connected to the end face of the metal carrier root, and the metal carrier tip and one side end face are connected to the end face of the metal carrier tip. The metal carrier, the metal carrier tip and the metal carrier root form the rear section of the wing.
[0008] The rear end face of the leading edge of the wing and the front end face of the rear section of the wing are joined to form a microwave anechoic chamber test carrier.
[0009] The front end of the metal carrier is joined with the rear end of the test section to form the ice wind tunnel test carrier.
[0010] Preferably, the test section of the ice wind tunnel test carrier also has splicing sections on both sides to fill the gap between the metal carrier and the test section.
[0011] Preferably, the horizontal projection of the metal carrier is a parallelogram.
[0012] Preferably, the horizontal projection of the test section is rectangular.
[0013] Preferably, the horizontal projection of the tip of the metal carrier is triangular.
[0014] Preferably, the horizontal projection of the transition section at the tip of the test section is a right trapezoid, with the upper base of the horizontal projection connected to the metal carrier, the hypotenuse overlapping the tip of the metal carrier, and the right-angled side overlapping the test section.
[0015] Preferably, the transition section at the root of the test section and the root of the metal carrier form a continuous curved surface at the root.
[0016] Preferably, the horizontal projection of the ice wind tunnel test carrier is a parallelogram.
[0017] The advantages of this application include: it enables rapid switching between microwave anechoic chamber test carriers and ice wind tunnel test carriers, reduces the design and manufacturing of test carriers, lowers test costs, and shortens the test cycle. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of a microwave anechoic chamber test carrier according to a preferred embodiment of this application.
[0019] Figure 2 This is a schematic diagram of an ice wind tunnel test carrier according to a preferred embodiment of this application. Detailed Implementation
[0020] To make the technical solution and advantages of this application clearer, the technical solution of this application will be described in a clearer and more complete manner below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some embodiments of this application, and are only used to explain this application, not to limit this application. It should be noted that, for ease of description, only the parts related to this application are shown in the accompanying drawings. Other related parts can be referred to the general design. In the absence of conflict, the embodiments and technical features in the embodiments of this application can be combined with each other to obtain new embodiments.
[0021] Furthermore, it should be noted that, unless otherwise explicitly specified and limited, terms such as “installation,” “connection,” and “linkage” used in the description of this application should be interpreted broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; or it can be a connection within two components. Those skilled in the art can understand its specific meaning in this application according to the specific circumstances.
[0022] like Figures 1-2 As shown, this application provides a multifunctional test carrier for wing leading edge structures, including:
[0023] Test section 2 for simulating the middle of the wing leading edge, test section tip transition section 1 for simulating the wingtip leading edge, and test section root transition section 3 for simulating the wing root leading edge;
[0024] 5, a metal carrier simulating the middle section of the rear section of the wing; 4, a metal carrier tip simulating the tip of the rear section of the wing; and 6, a metal carrier root simulating the root of the rear section of the wing.
[0025] One end face of the root of test section 2 is connected to the end face of the root transition section 3 of test section, and one end face of the tip of test section 2 is connected to the end face of the tip transition section 1 of test section. Test section 2, root transition section 3 of test section, and tip transition section 1 of test section form the leading edge of the wing.
[0026] The root and one side end face of the metal carrier 5 are connected to the end face of the metal carrier root 6, and one side end face of the metal carrier tip 5 is connected to the end face of the metal carrier tip 4. The metal carrier 5, the metal carrier tip 4 and the metal carrier root 6 form the rear section of the wing.
[0027] The rear end face of the leading edge of the wing and the front end face of the rear section of the wing are joined to form a microwave anechoic chamber test carrier; except for the metal carrier, all of them are carrier function conversion parts.
[0028] The front end of the metal carrier 5 is joined to the rear end of the test section 2 to form the ice wind tunnel test carrier. The test carrier, excluding the metal carrier, is the carrier function conversion section. Airflow direction is simulated using the wing sweep angle. The metal carriers and test sections of both test pieces are identical; by disassembling and assembling the carrier function conversion structure (excluding the metal carrier and test section), the conversion between the microwave anechoic chamber test and the ice wind tunnel test carrier can be completed.
[0029] Preferably, the test section 2 of the ice wind tunnel test carrier also has splicing sections on both sides to fill the gap between the metal carrier 5 and the test section 2.
[0030] Preferably, the horizontal projection of the metal carrier 5 is a parallelogram.
[0031] Preferably, the horizontal projection of test section 2 is rectangular.
[0032] Preferably, the horizontal projection of the metal carrier tip 4 is triangular.
[0033] Preferably, the horizontal projection of the test section tip transition section 1 is a right trapezoid, the upper base of the horizontal projection is connected to the metal carrier 5, the hypotenuse overlaps with the tip 4 of the metal carrier, and the right angle side overlaps with the test section 2.
[0034] Preferably, the root transition section 3 of the test section and the root of the metal carrier 6 form a continuous curved surface at the root.
[0035] Preferably, the horizontal projection of the ice wind tunnel test carrier is a parallelogram.
[0036] The advantages of this application include: it enables rapid switching between microwave anechoic chamber test carriers and ice wind tunnel test carriers, reduces the design and manufacturing of test carriers, lowers test costs, and shortens the test cycle.
[0037] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A multifunctional test carrier for wing leading edge structure, characterized in that, include: Test section (2) for simulating the middle of the leading edge of the wing, test section tip transition section (1) for simulating the leading edge of the wingtip, test section root transition section (3) for simulating the leading edge of the wing root; The metal carrier (5) used to simulate the middle part of the rear section of the wing, the tip of the metal carrier (4) used to simulate the tip of the rear section of the wing, and the root of the metal carrier (6) used to simulate the root of the rear section of the wing. The end face of the root of the test section (2) is connected to the end face of the root transition section (3) of the test section, and the end face of the tip of the test section (2) is connected to the end face of the tip transition section (1) of the test section. The test section (2), the root transition section (3) of the test section, and the tip transition section (1) of the test section form the leading edge of the wing. The root and one side end face of the metal carrier (5) are in contact with the end face of the root (6) of the metal carrier, and one side end face of the tip of the metal carrier (5) is in contact with the end face of the tip (4) of the metal carrier. The metal carrier (5), the tip (4) of the metal carrier and the root (6) of the metal carrier form the rear section of the wing. The rear end face of the leading edge of the wing and the front end face of the rear section of the wing are joined to form a microwave anechoic chamber test carrier. The front end of the metal carrier (5) is connected to the rear end of the test section (2) to form an ice wind tunnel test carrier.
2. The multifunctional test carrier for the wing leading edge structure as described in claim 1, characterized in that, The test section (2) of the ice wind tunnel test carrier also has splicing sections on both sides to fill the gap between the metal carrier (5) and the test section (2).
3. The multifunctional test carrier for the wing leading edge structure as described in claim 1, characterized in that, The horizontal projection of the metal carrier (5) is a parallelogram.
4. The multifunctional test carrier for the wing leading edge structure as described in claim 3, characterized in that, The horizontal projection of the test section (2) is a rectangle.
5. The multifunctional test carrier for the wing leading edge structure as described in claim 4, characterized in that, The horizontal projection of the tip (4) of the metal carrier is a triangle.
6. The multifunctional test carrier for the wing leading edge structure as described in claim 5, characterized in that, The horizontal projection of the test section tip transition section (1) is a right trapezoid. The upper base of the horizontal projection is connected to the metal carrier (5), the hypotenuse overlaps with the tip (4) of the metal carrier, and the right angle side overlaps with the test section (2).
7. The multifunctional test carrier for the wing leading edge structure as described in claim 6, characterized in that, The root transition section (3) of the test section and the root of the metal carrier (6) form a continuous curved surface at the root.
8. The multifunctional test carrier for the wing leading edge structure as described in claim 1, characterized in that, The horizontal projection of the ice wind tunnel test vehicle is a parallelogram.