Device and system for detecting sag of sunshade curtain through infrared rays

Abstract

A device for detecting the sag of a sunshade curtain through infrared rays comprises an infrared sensor and a guide rail, the infrared sensor is fixed to the guide rail, the guide rail is arranged in the sag direction of the sunshade curtain, and the sag of the sunshade curtain is detected through the infrared sensor. According to the device and system for detecting the sag of the sunshade curtain through the infrared rays, the sag of the skylight sunshade curtain is detected through the infrared sensors, real-time detection can be achieved, the sunshade curtain cannot be extruded by external force in the detection process, the detection precision is not affected, meanwhile, infrared detection is more efficient and convenient, and the requirement for rapid detection can be met.

Description

Technical Field

[0001] The utility model belongs to the field of automobiles, and particularly relates to a device and a system for detecting the sag of a sunshade curtain by infrared rays. Background Technique

[0002] The automobile sunroof is an important component for enhancing the comfort of the automobile. The automobile sunroof includes a sunshade curtain. During the research and development of the automobile sunroof, the sag of the sunshade curtain is an important performance index. Therefore, it is necessary to detect whether the sag of the sunshade curtain is qualified. Refer to Figure 1 , the existing method for detecting the sag of the sunshade curtain is as follows:

[0003] (1) Fabricate a hollow profiling block 2 with the maximum sag according to the requirements;

[0004] (2) Fix the hollow profiling block 2 below the sunshade curtain 1;

[0005] (3) When visually observing that the sunshade curtain 1 touches the hollow profiling block 2, it is judged that the sag of the sunshade curtain exceeds the tolerance;

[0006] (4) When visually observing that the sunshade curtain 1 does not touch the hollow profiling block 2, use a vernier caliper to pass through the hollow part of the hollow profiling block 2 to measure the distance between the hollow profiling block 2 and the sunshade curtain 1;

[0007] (5) Subtract the said distance from the maximum sag value of the hollow profiling block to obtain the sag value of the sunshade curtain.

[0008] The problems existing in the prior art are as follows:

[0009] (1) The method for detecting the sag of the sunshade curtain is cumbersome and cannot meet the requirement of rapid measurement.

[0010] (2) When detecting the sag of the sunshade curtain, since the sunshade curtain is relatively soft, the vernier caliper may squeeze the sunshade curtain, causing deformation of the sunshade curtain, thereby affecting the measurement accuracy.

[0011] (3) There is a certain error in visually judging by hand whether the sunshade curtain touches the hollow profiling block. Summary of the Invention

[0012] In order to overcome the defects of the prior art, an object of the utility model is to provide a device for detecting the sag of a sunshade curtain by infrared rays, and another object of the utility model is to provide a system for detecting the sag of a sunshade curtain by infrared rays. To achieve the above objects, the technical solution adopted by the utility model is as follows:

[0013] One aspect of the utility model provides a device for detecting the sag of a sunshade curtain by infrared rays, which includes an infrared sensor and a guide rail. The infrared sensor is fixed on the guide rail, and the guide rail is arranged in the sagging direction of the sunshade curtain. The sag of the sunshade curtain is detected by the infrared sensor.

[0014] Preferably, the infrared sensor is fixed to the guide rail by a first fixing component.

[0015] Preferably, the first fixing component includes a fixing block and a locking member. The infrared sensor is fixed to the fixing block, and the locking member fixes the fixing block to the guide rail.

[0016] Preferably, the fixing block is movable along the guide rail. When the fixing block moves to a specified position, the locking member fixes the fixing block to the guide rail.

[0017] Another aspect of the present utility model provides a system for detecting the sag of an infrared-detected sunshade curtain, including a detection base plate and the device for detecting the sag of an infrared-detected sunshade curtain as described above. The device for detecting the sag of an infrared-detected sunshade curtain and the sunshade curtain are both fixed to the detection base plate, and the device for detecting the sag of an infrared-detected sunshade curtain is arranged in the sagging direction of the sunshade curtain.

[0018] Preferably, the detection base plate includes a guide rail bracket, and the device for detecting the sag of an infrared-detected sunshade curtain is fixed to the guide rail bracket.

[0019] Preferably, the guide rail bracket is fixed to the detection base plate by a second fixing component.

[0020] Preferably, the second fixing component includes a base and a fixing member. The base is fixed to the detection base plate, and the guide rail bracket is fixed to the detection base plate through the fixing member.

[0021] Preferably, the fixing member includes a handle. The guide rail bracket includes a first positioning hole, and the base includes a second positioning hole. The handle is sequentially inserted into the first positioning hole and the second positioning hole to fix the guide rail bracket to the base.

[0022] Preferably, the second fixing components are respectively arranged at both ends of the guide rail bracket and are fixed to the detection base plate through the second fixing components.

[0023] The device for detecting the sag of an infrared-detected sunshade curtain of the present utility model uses an infrared sensor to detect the sag of the skylight sunshade curtain, which can meet real-time detection. During the detection process, the sunshade curtain will not be extruded by external forces, and the detection accuracy will not be affected. At the same time, infrared detection is more efficient and convenient, and can meet the requirements of rapid detection. The device and system for detecting the sag of an infrared-detected sunshade curtain of the present utility model are simple to operate, have high efficiency, and have high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] After reading the specific embodiments of the present utility model with reference to the drawings, readers will understand each aspect of the present utility model more clearly. Among them,

[0025] Figure 1 Structural diagram of the prior art of the present utility model;

[0026] Figure 2 Structural diagram of the system for detecting the sag of an infrared detection sunshade curtain according to an embodiment of the present utility model;

[0027] Figure 3 Structural diagram of the device for detecting the sag of a sunshade curtain with infrared detection of the sunshade curtain sag according to an embodiment of the present utility model;

[0028] Figure 4 Structural diagram of the first fixing component and the second fixing component according to an embodiment of the present utility model;

[0029] Description of the reference numerals in the drawings:

[0030] 1: Sunshade curtain; 2: Hollow profiling block; 3: Device for detecting the sag of an infrared detection sunshade curtain; 4: Detection bottom plate; 5: Guide rail bracket; 6: Second fixing component;

[0031] 31: Infrared sensor; 32: Guide rail; 33: First fixing component;

[0032] 51: First positioning hole; 52: Third positioning hole;

[0033] 331: Fixing block; 332: Locking member;

[0034] 61: Base; 62: Fixing member;

[0035] 611: Second positioning hole; 612: Positioning post;

[0036] 621: Handle. Detailed implementation manners

[0037] In order to make the technical content disclosed in this application more detailed and complete, reference may be made to the following specific embodiments of the present utility model and the accompanying drawings. However, those of ordinary skill in the art should understand that the embodiments provided below are not used to limit the scope covered by the present utility model. In addition, the drawings are only schematically illustrated and are not drawn according to their original sizes.

[0038] The following further describes in detail the specific implementation manners of various aspects of the present utility model with reference to the accompanying drawings.

[0039] Embodiment 1:

[0040] This embodiment provides a device 3 for detecting the sag of an infrared detection sunshade curtain, which is used to detect the sag of the sunshade curtain. Please refer to Figure 3-4, the detection device 3 includes an infrared sensor 31, a guide rail 32 and a first fixing component 33, and the first fixing component 33 includes a fixing block 331 and a locking member 332.

[0041] In this embodiment, the infrared sensor 31 is fixed to the guide rail 32. Specifically, the infrared sensor 31 is fixed to the guide rail 32 through the first fixing component 33. Specifically, the infrared sensor 31 is fixed to the fixing block 331, and the locking member 332 fixes the fixing block 331 to the guide rail 32. Specifically, the fixing block 331 can move along the guide rail 32. When the fixing block 331 moves to a specified position, the locking member 332 fixes the fixing block 331 to the guide rail 32. Specifically, the guide rail 32 is provided with fixing holes, and the locking member 332 includes locking screws. When the fixing block 331 moves to the specified position, the fixing block 331 is fixed to the guide rail 32 through the locking screws.

[0042] In this embodiment, the guide rail 32 is arranged in the downward direction of the sunshade 1. By moving the fixing block 331 on the guide rail 32, the position of the infrared sensor 31 is adjusted. When the infrared sensor 31 moves to a specified position, the infrared sensor 31 is fixed to the guide rail 32 through the locking member 332, and the distance from the infrared sensor 31 to the sunshade 1 is measured, so as to calculate the sag of the sunshade 1.

[0043] Embodiment Two:

[0044] This embodiment provides a system for detecting the sag of a sunshade by infrared rays, which is used to detect the sag of the sunshade. Please refer to Figure 2 、 Figure 4 , the detection system includes a detection base plate 4, the device 3 for detecting the sag of the sunshade by infrared rays as described in Embodiment One, a guide rail bracket 5, and a second fixing component 6. Specifically, the second fixing component 6 includes a base 61 and a fixing member 62, the fixing member 62 includes a handle 621, the guide rail bracket 5 includes a first positioning hole 51, and the base 61 includes a second positioning hole 611.

[0045] In this embodiment, the device 3 for detecting the sag of the sunshade by infrared rays and the sunshade 1 are both fixed to the detection base plate 4, and the device 3 for detecting the sag of the sunshade by infrared rays is arranged in the downward direction of the sunshade 1. Specifically, the device 3 for detecting the sag of the sunshade by infrared rays is fixed to the guide rail bracket 5. Specifically, the device 3 for detecting the sag of the sunshade by infrared rays is fixed to the guide rail bracket 5 through the guide rail 32. Specifically, the guide rail bracket 5 is fixed to the detection base plate 4 through the second fixing component 6.

[0046] In this embodiment, the base 61 is fixed to the detection base plate 4, and the guide rail bracket 5 is fixed to the detection base plate 4 through the fixing member 62.

[0047] In this embodiment, the handle 621 is sequentially inserted into the first positioning hole 51 and the second positioning hole 611 to fix the guide rail bracket 5 to the base 61.

[0048] In this embodiment, the base 61 further includes a positioning post 612, and the guide rail bracket 5 further includes a third positioning hole 52. When installing the guide rail bracket 5, first insert the positioning post 612 into the third positioning hole 52, so that when the handle 621 is inserted into the first positioning hole 51, it is aligned with the second positioning hole 611.

[0049] In this embodiment, the end of the handle 621 includes a thread, and the second positioning hole 611 is a threaded hole. When the handle 621 is inserted into the second positioning hole 611, rotate the handle 621 to fix the handle 621 to the positioning hole 611, thereby fixing the guide rail bracket 5 to the base 61.

[0050] In this embodiment, the two ends of the guide rail bracket 5 are respectively provided with the second fixing assembly 6, and the guide rail bracket 5 is fixed to the detection base plate 4 through the second fixing assembly 6.

[0051] Embodiment Three:

[0052] This embodiment describes the working process of the system for detecting the verticality of the infrared detection sunshade curtain in Embodiment Two to further illustrate the technical solution of the present invention. The working process includes the following steps:

[0053] (1) Fix the sunshade curtain 1 to the detection base plate 4;

[0054] (2) Install the guide rail bracket 5 on the detection base plate 4 through the second fixing assembly 6;

[0055] (3) Install the guide rail 32 on the guide rail bracket 5;

[0056] (4) Fix the infrared sensor 31 to the guide rail 32 through the first fixing assembly 33;

[0057] (5) Adjust the position of the infrared sensor 31 on the guide rail 32 so that the infrared sensor 31 is located at the lowest point of the hanging of the sunshade curtain 1, and measure the distance from the infrared sensor 31 to the sunshade curtain 1 as H1.

[0058] (6) Adjust the position of the infrared sensor 31 on the guide rail 32 so that the infrared sensor 31 is located on one side of the sunshade 1, and measure the distance from the infrared sensor 31 to the sunshade 1 as H2;

[0059] (7) Adjust the position of the infrared sensor 31 on the guide rail 32 so that the infrared sensor 31 is located on the other side of the sunshade 1, and measure the distance from the infrared sensor 31 to the sunshade 1 as H3;

[0060] (8) The sag of the sunshade is: H1 - (H2 + H3) / 2.

[0061] The device for detecting the sag of the sunshade by infrared rays of the present utility model uses an infrared sensor to detect the sag of the skylight sunshade, which can meet real-time detection. During the detection process, the sunshade will not be extruded by external forces, and the detection accuracy will not be affected. At the same time, infrared detection is more efficient and convenient, and can meet the requirements of rapid detection. The device and system for detecting the sag of the sunshade by infrared rays of the present utility model are simple to operate and highly efficient, and have high practical value.

[0062] Obviously, the above-mentioned embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limiting the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or variations can be made on the basis of the above description. The embodiments exemplified by the present utility model cannot exhaust all implementation manners. Any obvious changes or variations derived from the technical solutions of the present utility model are still within the protection scope of the present utility model. All documents mentioned in the present utility model are cited as references in this application, just as if a single document is cited as a reference.

Claims

1. An infrared detection device for the sag of a sunshade curtain, characterized in that, It includes an infrared sensor and a guide rail. The infrared sensor is fixed to the guide rail, and the guide rail is arranged in the downward direction of the sunshade curtain. The infrared sensor is used to detect the sag of the sunshade curtain.

2. The device for detecting the sag of the infrared detection sunshade curtain according to claim 1, characterized in that, The infrared sensor is fixed to the guide rail through a first fixing component.

3. The device for detecting the sag of the infrared detection sunshade curtain according to claim 2, characterized in that The first fixing component includes a fixing block and a locking member. The infrared sensor is fixed to the fixing block, and the locking member fixes the fixing block to the guide rail.

4. The device for detecting the sag of the infrared detection sunshade curtain according to claim 3, characterized in that, The fixing block can move along the guide rail. When the fixing block moves to a specified position, the locking member fixes the fixing block to the guide rail.

5. An infrared detection system for the sag of a sunshade curtain, characterized in that, The system includes a detection base plate and a device for detecting the sag of the sunshade curtain with an infrared sensor as described in any one of claims 1-4. The device for detecting the sag of the sunshade curtain with an infrared sensor and the sunshade curtain are both fixed to the detection base plate, and the device for detecting the sag of the sunshade curtain with an infrared sensor is arranged in the downward direction of the sunshade curtain.

6. The system for detecting the sag of an infrared detection sunshade curtain according to claim 5, characterized in that, The detection base plate includes a guide rail bracket, and the device for detecting the sag of the sunshade curtain with an infrared sensor is fixed to the guide rail bracket.

7. The system for detecting the sag of the infrared detection sunshade curtain according to claim 6, wherein, The guide rail bracket is fixed to the detection base plate through a second fixing component.

8. The system for detecting the sag of an infrared detection sunshade curtain according to claim 7, wherein, The second fixing component includes a base and a fixing member. The base is fixed to the detection base plate, and the guide rail bracket is fixed to the detection base plate through the fixing member.

9. The system for detecting the sag of an infrared detection sunshade curtain according to claim 8, characterized in that, The fixing member includes a handle. The guide rail bracket includes a first positioning hole, and the base includes a second positioning hole. The handle is sequentially inserted into the first positioning hole and the second positioning hole to fix the guide rail bracket to the base.

10. The system for detecting the sag of an infrared detection sunshade curtain according to claim 7, characterized in that, The second fixing components are respectively arranged at both ends of the guide rail bracket and are fixed to the detection base plate through the second fixing components.

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