A method and apparatus for measuring the profile of a vehicle seat back support

Abstract

The present application relates to the technical field of metrological detection, and in particular to a detection method and device for measuring the profile of a vehicle seat backrest support device. The detection method comprises S1. Horizontal state limit position detection: when the inflatable support part is in a horizontal state, the maximum rated amount of gas is filled, and it is detected whether the bending curvature of the inflatable support part meets the requirements. If it meets the requirements, step S2 is entered. If it does not meet the requirements, it is determined to be unqualified. S2. Vertical state limit position detection: when the inflatable support part is in a vertical state, the maximum rated amount of gas is filled, and it is detected whether the bending curvature of the inflatable support part meets the requirements. If it meets the requirements, step S3 is entered. If it does not meet the requirements, it is determined to be unqualified. S3. Normal state following detection. The detection method and device can effectively detect the profile of the vehicle seat backrest support device, thereby ensuring that the profile of the support device is qualified.

Description

Technical Field

[0001] This invention relates to the field of metrology and testing technology, specifically to a method and apparatus for measuring the contour of a vehicle seat back support device. Background Technology

[0002] With the increasing popularity of automobiles, users are no longer satisfied with the basic support function of seats. During long-distance driving, passengers are prone to fatigue due to a lack of proper back support. Existing adjustable seat back support structures are usually mechanical or pneumatic. Mechanical structures typically require complex linkage mechanisms for adjustment; pneumatic structures usually only adjust the inflation volume at a fixed position and cannot adapt to adjustments at different heights. This is mainly due to the influence of production batches or other factors during the production process, making it impossible to obtain the ideal movement position and support contour, and thus failing to guarantee the conformity of the support device contour. Summary of the Invention

[0003] The purpose of this invention is to provide a method and apparatus for measuring the contour of a vehicle seat back support device, which can effectively detect the contour of the vehicle seat back support device and thus ensure that the contour of the support device is qualified.

[0004] In a first aspect of the present invention, a method for measuring the contour of a vehicle seat back support device is provided, comprising the following steps:

[0005] S1. Horizontal Limit Position Detection: With the inflatable support in a horizontal position, inflate it with the maximum rated inflation volume of gas and check whether the bending curvature of the inflatable support meets the requirements. If it does, proceed to step S2; otherwise, it is determined to be unqualified.

[0006] S2. Vertical Limit Position Detection: With the inflatable support in a vertical position, inflate it with the maximum rated inflation volume of gas and check whether the bending curvature of the inflatable support meets the requirements. If it does, proceed to step S3; otherwise, it is determined to be unqualified.

[0007] S3. Normal State Follow-up Detection: With the inflatable support in an inclined state, the bending arc of the human lumbar arch, the position of the upper point of the human lumbar arch, and the position of the lower point of the human lumbar arch are simulated based on the seat pressure detection structure. Based on different inflation and deflation control strategies, the bending arc of the inflatable support and the position of the support point are detected to see if they meet the requirements. If they do, they are judged as qualified; if they do not, they are judged as unqualified.

[0008] As a preferred embodiment of the present invention, step S1 specifically includes:

[0009] S1-1: Ensure that the inflatable support is initially flat, rotate the support frame of the contour detection device to a horizontal state and fix it, so that the two sets of electromagnetic adsorption surfaces on the first side of the inflatable support are de-energized and the two sets of electromagnetic adsorption surfaces on the second side of the inflatable support are energized. After the bidirectional airflow control structure is filled with the maximum rated inflation volume of gas, control the four sets of electromagnetic adsorption surfaces on the first and second sides of the inflatable support to be energized.

[0010] S1-2: Activate the visual inspection mechanism to obtain the first actual lumbar arch curvature of the inflatable support, and compare the first actual lumbar arch curvature with the first standard lumbar arch curvature. Record the first actual lumbar arch curvature as... The first standard lumbar arch curvature is denoted as ,like If yes, proceed to step S1-3; otherwise, it is deemed unqualified.

[0011] S1-3: Control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support to de-energize, control the bidirectional airflow control structure to draw in the maximum rated inflation volume of gas, so that the inflation support returns to its initial flat state, de-energize the two sets of electromagnetic adsorption surfaces located on the second side of the inflation support and energize the two sets of electromagnetic adsorption surfaces located on the first side of the inflation support, control the bidirectional airflow control structure to inflate the maximum rated inflation volume of gas, and control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support to energize.

[0012] S1-4: Activate the visual inspection mechanism to obtain the first actual bending arc of the inflatable support, and compare the first actual lumbar arch bending arc with the first standard lumbar arch bending arc. If the result is satisfactory, proceed to step S2; otherwise, it is deemed unqualified.

[0013] As a preferred embodiment of the present invention, step S2 specifically includes:

[0014] S2-1: Ensure that the inflatable support is initially flat, rotate the support frame of the contour detection device to a vertical position and fix it, so that the two sets of electromagnetic adsorption surfaces on the first side of the inflatable support are de-energized and the two sets of electromagnetic adsorption surfaces on the second side of the inflatable support are energized. After the bidirectional airflow control structure is filled with the maximum rated inflation volume of gas, control the four sets of electromagnetic adsorption surfaces on the first and second sides of the inflatable support to be energized.

[0015] S2-2: Activate the visual inspection mechanism to obtain the second actual lumbar arch curvature of the inflatable support, and compare the second actual lumbar arch curvature with the second standard lumbar arch curvature. Record the second actual lumbar arch curvature as... The second standard lumbar arch curvature is denoted as ,like If yes, proceed to step S2-3; otherwise, it is deemed unqualified.

[0016] S2-3: Control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support to de-energize, control the bidirectional airflow control structure to draw in the maximum rated inflation volume of gas, so that the inflation support returns to its initial flat state, de-energize the two sets of electromagnetic adsorption surfaces located on the second side of the inflation support and energize the two sets of electromagnetic adsorption surfaces located on the first side of the inflation support, control the bidirectional airflow control structure to inflate the maximum rated inflation volume of gas, and control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support to energize.

[0017] S2-4: Activate the visual inspection mechanism to obtain the second actual lumbar arch curvature of the inflatable support, and compare the second actual lumbar arch curvature with the second standard lumbar arch curvature. If the result is satisfactory, proceed to step S3; otherwise, the result is deemed unqualified.

[0018] As a preferred embodiment of the present invention, step S3 specifically includes:

[0019] S3-1: Ensure the inflatable support is initially flat. The support frame of the rotating contour detection device is tilted and fixed to the base plate. Based on the seat pressure detection structure simulation, the curvature of the human lumbar arch, the position of the upper point of the human lumbar arch, and the position of the lower point of the human lumbar arch are obtained. The curvature of the human lumbar arch is denoted as... The position of the upper part of the human lumbar arch is recorded as The position of the lower lumbar arch of the human body is recorded as ;

[0020] S3-2: Activate the visual inspection mechanism to obtain the lower support point position and upper support point position of the inflatable support unit, and record the lower support point position as... The position of the support point is recorded as ;

[0021] when At that time, the first inflation / deflation control strategy is executed;

[0022] when At that time, the second inflation / deflation control strategy is executed;

[0023] when At that time, the third inflation / deflation control strategy is executed;

[0024] when At that time, the fourth inflation / deflation control strategy is executed.

[0025] As a preferred embodiment of the present invention, the steps of the first inflation / deflation control strategy include:

[0026] S3-2-1: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to de-energize and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to energize, control the bidirectional airflow control structure to fill the first volume of gas, and determine whether it meets the requirements after filling the first volume of gas. If it meets the requirements, proceed to step S3-2-2; if it does not meet the requirements, it is deemed unqualified.

[0027] S3-2-2: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to be energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to be de-energized, control the bidirectional airflow control structure to draw in the second volume of gas, and determine whether it meets the requirements after the second volume of gas is drawn in. If it meets the requirements, proceed to step S3-2-3; if it does not meet the requirements, it is deemed unqualified.

[0028] S3-2-3: Activate the visual inspection mechanism to obtain the third actual bending arc of the inflatable support, compare the third actual bending arc with the human lumbar arch bending arc, and record the third actual bending arc as... ,like If it is qualified, it is deemed qualified; otherwise, it is deemed unqualified.

[0029] As a preferred embodiment of the present invention, the steps of the second inflation / deflation control strategy include:

[0030] S3-2-4: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to be energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to be de-energized, control the bidirectional airflow control structure to fill the third volume of gas, and determine whether it meets the requirements after the third volume of gas is filled. If it meets the requirements, proceed to step S3-2-5; if it does not meet the requirements, it is deemed unqualified.

[0031] S3-2-5: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to de-energize and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to energize, control the bidirectional airflow control structure to draw in a fourth volume of gas, and determine whether it meets the requirements after the fourth volume of gas is drawn in. If it meets the requirements, proceed to step S3-2-6; if it does not meet the requirements, it is deemed unqualified.

[0032] S3-2-6: Activate the visual inspection mechanism to obtain the third actual bending arc of the inflatable support, and compare the third actual bending arc with the human lumbar arch bending arc. If... If it is qualified, it is considered qualified; otherwise, it is considered unqualified.

[0033] As a preferred embodiment of the present invention, the steps of the third inflation / deflation control strategy include:

[0034] S3-2-7: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to de-energize and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to energize, and control the bidirectional airflow control structure to fill the fifth volume of gas.

[0035] The two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support are energized while the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support are de-energized, thereby controlling the bidirectional airflow control structure to draw in the fifth volume of gas.

[0036] Repeat step S3-2-7 until... Then, the first inflation / deflation control strategy is executed.

[0037] As a preferred embodiment of the present invention, the steps of the fourth inflation / deflation control strategy include:

[0038] S3-2-8: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to be energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to be de-energized, and control the bidirectional airflow control structure to fill the fifth volume of gas.

[0039] The two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support are de-energized while the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support are energized, thereby controlling the bidirectional airflow control structure to draw in the fifth volume of gas.

[0040] Repeat steps S3-2-8 until... Then, the second inflation / deflation control strategy is executed.

[0041] As a preferred embodiment of the present invention, in step S3-1, the support frame of the rotating contour detection device is fixed at a 100-110° angle to the base plate.

[0042] In a second aspect of the present invention, a detection device for measuring the contour of a vehicle seat back support device is provided, employing the detection method of the first aspect, including:

[0043] The horizontal limit position detection module is configured to detect whether the bending curvature of the inflatable support meets the requirements when the inflatable support is in a horizontal state and is filled with the maximum rated inflation volume of gas.

[0044] The vertical limit position detection module is configured to detect whether the bending curvature of the inflatable support meets the requirements when the inflatable support is in a vertical position and is filled with the maximum rated inflation volume of gas.

[0045] The normal state follow detection module is configured to simulate the curvature of the human lumbar arch, the position of the upper point of the human lumbar arch, and the position of the lower point of the human lumbar arch based on the seat pressure detection structure when the inflatable support is in an inclined state. Based on different inflation and deflation control strategies, it detects whether the curvature of the inflatable support and the position of the support point meet the requirements.

[0046] In summary, the present invention has the following beneficial effects:

[0047] The detection method and apparatus of this invention can ensure that the outline of the support device ultimately used in the vehicle seat back is qualified through horizontal limit position detection, vertical limit position detection, and normal state follow-up detection, thereby enabling the inflatable vehicle seat back support device to adapt to different height position adjustments. Attached Figure Description

[0048] Figure 1 A flowchart illustrating a detection method for measuring the contour of a vehicle seat back support device according to an embodiment of the present invention is shown.

[0049] Figure 2 A block diagram of a detection device for measuring the contour of a vehicle seat back support device according to an embodiment of the present invention is shown.

[0050] Figure 3 A schematic diagram of a vehicle seat back support device according to an embodiment of the present invention is shown;

[0051] Figure 4 for Figure 3 A partial enlarged view of the seat back support device in a Chinese vehicle.

[0052] Figure 5 A schematic diagram of a contour detection device according to an embodiment of the present invention is shown;

[0053] Figure 6 for Figure 5 A schematic diagram of the contour detection device from another perspective. Detailed Implementation

[0054] Embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While some embodiments of the invention are shown in the drawings, it should be understood that the invention can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the invention. It should be understood that the accompanying drawings and embodiments are for illustrative purposes only and are not intended to limit the scope of protection of the invention.

[0055] In the description of embodiments of the present invention, the term "comprising" and similar terms should be understood as open-ended inclusion, i.e., "including but not limited to". The term "based on" should be understood as "at least partially based on". The term "one embodiment" or "the embodiment" should be understood as "at least one embodiment". The terms "first", "second", etc., may refer to different or the same objects. Other explicit and implicit definitions may also be included below.

[0056] This invention provides a method for measuring the contour of a vehicle seat back support device, such as... Figure 1 As shown, the method includes:

[0057] S1. Horizontal Limit Position Detection: With the inflatable support in a horizontal position, inflate it with the maximum rated inflation volume of gas and check whether the bending curvature of the inflatable support meets the requirements. If it does, proceed to step S2; otherwise, it is determined to be unqualified.

[0058] S2. Vertical Limit Position Detection: With the inflatable support in a vertical position, inflate it with the maximum rated inflation volume of gas and check whether the bending curvature of the inflatable support meets the requirements. If it does, proceed to step S3; otherwise, it is determined to be unqualified.

[0059] S3. Normal State Follow-up Detection: With the inflatable support in an inclined state, the bending arc of the human lumbar arch, the position of the upper point of the human lumbar arch, and the position of the lower point of the human lumbar arch are simulated based on the seat pressure detection structure. Based on different inflation and deflation control strategies, the bending arc of the inflatable support and the position of the support point are detected to see if they meet the requirements. If they do, they are judged as qualified; if they do not, they are judged as unqualified.

[0060] First, refer to Figure 3 The vehicle seat backrest support device of the present invention is disposed inside the backrest of a vehicle seat (not shown). When not inflated, it has a flat structure; when inflated, it forms a curved arc to support the lumbar arch of the user. The vehicle seat backrest support device has an inflatable support part 1 and a sliding fixing part 2. The inflatable support part 1 is a flexible structure, including a curved pleated part 1-2, a curved base 1-1, and a first hinge part 1-3 arranged sequentially. A first hollow cavity is formed inside the curved base 1-1. The curved pleated part 1-2 has several hollow elongated grid structures horizontally arranged on one side of the curved base 1-1. Several second hollow cavities are formed inside the several hollow elongated grid structures. The first hollow cavities and the second hollow cavities communicate to form an integral air chamber. In the initial state, the inflatable support part 1 is flat. After gas is filled into the air chamber, the inflatable support part 1 bends, and the middle part forms an arc-shaped support structure close to the backrest support surface. Four first hinge portions 1-3 are provided on the other side of the bent base 1-1, and the bent base 1-1 is hinged to the sliding fixing portion 2 through the first hinge portions 1-3. Additionally, in Figure 3 From the perspective of the air support 1, the two sets of sliding fixing parts 2 located at the upper position are the two sets of sliding fixing parts 2 located on the first side of the air support 1; the two sets of sliding fixing parts 2 located at the lower position of the air support 1 are the two sets of sliding fixing parts 2 located on the second side of the air support 1.

[0061] Reference Figure 4Four sets of sliding fixing parts 2 are provided corresponding to the first hinge parts 1-3, and each set of sliding fixing parts 2 has the same structure. The sliding fixing part 2 includes an adsorption slider 2-1, a pressing slider 2-2, an elastic part 2-3, and a second hinge part 2-4. The adsorption slider 2-1 and the pressing slider 2-2 are arranged at intervals opposite each other, and their opposite surfaces are connected by the elastic part 2-3. The second hinge part 2-4 is provided on the side of the adsorption slider 2-1 away from the pressing slider 2-2, and the second hinge part 2-4 is hinged to the first hinge part 1-3. The adsorption slider 2-1, the pressing slider 2-2, and the elastic part 2-3 together define a space for the vertical support rod 3 to pass through, and the vertical support rod 3 is fixedly connected to the seat back support frame (not shown). The surface where the adsorption slider 2-1 contacts the vertical support rod 3 is an electromagnetic adsorption surface. When energized, it adsorbs onto the vertical support rod 3 to fix the sliding fixing part 2. When de-energized, it cooperates with the pressing slider 2-2 and, under the pulling force of the elastic part 2-3, is clamped onto the vertical support rod 3. It can also slide during the inflation and deflation process of the inflatable support part 1. The electromagnetic adsorption surface is existing technology; for example, it can be formed by setting several electromagnets inside the adsorption slider 2-1, and therefore will not be described in detail.

[0062] The vehicle seat back support device of this embodiment is electrically connected to a bidirectional airflow control structure and a pressure detection structure. All three components are electrically connected to a controller. The pressure detection structure can be pressure sensors uniformly distributed on the seat back. The air supply line of the bidirectional airflow control structure is connected to the inflation support part 1. The bidirectional airflow control structure can be a bidirectional air pump or fan, etc. The controller includes a storage module that stores multiple inflation / deflation control strategies. Specifically, these strategies specify the inflation / inhalation volume of the bidirectional airflow control structure and the energized / de-energized states of the electromagnetic suction surfaces of the four adsorption sliders 2-1 for different lumbar arch curvatures and positions. The pressure detection structure senses the user's lumbar arch curvature and position and transmits the signal to the controller. Based on the received signal, the controller calls the corresponding inflation / deflation control strategy from the storage module to control the operation of the vehicle seat back support device and the bidirectional airflow control structure.

[0063] Secondly, refer to Figure 5 and Figure 6 The contour detection device 4 includes a support frame 4-1, several transverse support arms 4-2 located on both sides of the frame, a vision detection mechanism 4-3, a bottom support structure 4-4, a hinge seat 4-5, and a base plate 4-6. The support frame 4-1 is rotatably connected to the hinge seat 4-5 through the bottom support structure 4-4, forming an adjustable and fixed structure. The vision detection mechanism 4-3 is mounted on the transverse support arms 4-2 and is perpendicular to the support frame 4-1. The vision detection mechanism 4-3 is existing technology and can be multiple cameras arrayed on a substrate or other detection structures, therefore it will not be described in detail.

[0064] The support frame 4-1 rotates relative to the base plate 4-6, simulating the rotation angle of a vehicle seat backrest. The contour detection device 4 is electrically connected to the seat pressure detection structure during measurement, which simulates changes in backrest pressure during passenger seating. The vertical rod of the support frame 4-1 simulates the vertical support rod 3. The connection method between the inflatable support part 1 and the sliding fixing part 2 and the vertical rod of the support frame 4-1 is the same as the connection method with the vertical support rod 3. Based on the simulated scenario, corresponding inflation / deflation control strategies are implemented for the inflatable support part 1 and the sliding fixing part 2. The visual inspection mechanism 4-3 is used to detect whether the curvature and position of the inflatable support part 1 meet the requirements.

[0065] In this embodiment of the invention, step S1 specifically includes:

[0066] S1-1: Ensure that the inflatable support part 1 is initially flat, rotate the support frame 4-1 of the contour detection device 4 to a horizontal state and fix it, so that the two sets of electromagnetic adsorption surfaces on the first side of the inflatable support part 1 are de-energized and the two sets of electromagnetic adsorption surfaces on the second side of the inflatable support part 1 are energized. After the bidirectional airflow control structure is filled with the maximum rated inflation volume of gas, control the four sets of electromagnetic adsorption surfaces on the first and second sides of the inflatable support part to be energized.

[0067] S1-2: Activate the visual inspection mechanism 4-3 to obtain the first actual lumbar arch curvature of the inflatable support part 1, and compare the first actual lumbar arch curvature with the first standard lumbar arch curvature. Record the first actual lumbar arch curvature as... The first standard lumbar arch curvature is denoted as ,like If the result is satisfactory, proceed to step S1-3; otherwise, it is deemed unqualified. The first standard lumbar arch curvature can be the maximum lumbar arch curvature of an adult in a lying position.

[0068] S1-3: Control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support 1 to de-energize, control the bidirectional airflow control structure to draw in the maximum rated inflation volume of gas, so that the inflation support 1 returns to its initial flat state, de-energize the two sets of electromagnetic adsorption surfaces located on the second side of the inflation support 1 and energize the two sets of electromagnetic adsorption surfaces located on the first side of the inflation support 1, control the bidirectional airflow control structure to fill in the maximum rated inflation volume of gas, and control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support 1 to energize.

[0069] S1-4: Activate the visual inspection mechanism 4-3 to obtain the first actual bending arc of the inflatable support part, and compare the first actual lumbar arch bending arc with the first standard lumbar arch bending arc. If the result is satisfactory, proceed to step S2; otherwise, it is deemed unqualified.

[0070] In this embodiment of the invention, step S2 specifically includes:

[0071] S2-1: Ensure that the inflatable support part 1 is initially flat, rotate the support frame 4-1 of the contour detection device 4 to a vertical state and fix it, so that the two sets of electromagnetic adsorption surfaces on the first side of the inflatable support part 1 are de-energized and the two sets of electromagnetic adsorption surfaces on the second side of the inflatable support part 1 are energized. After the bidirectional airflow control structure is filled with the maximum rated inflation volume of gas, control the four sets of electromagnetic adsorption surfaces on the first and second sides of the inflatable support part 1 to be energized.

[0072] S2-2: Activate the visual inspection mechanism 4-3 to obtain the second actual lumbar arch curvature of the inflatable support 1, and compare the second actual lumbar arch curvature with the second standard lumbar arch curvature. Record the second actual lumbar arch curvature as... The second standard lumbar arch curvature is denoted as ,like If the result is satisfactory, proceed to step S2-3; otherwise, it is deemed unqualified. The second standard lumbar arch curvature can be the maximum lumbar arch curvature of an adult in a sitting or standing position.

[0073] S2-3: Control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support 1 to de-energize, control the bidirectional airflow control structure to draw in the maximum rated inflation volume of gas, so that the inflation support 1 returns to its initial flat state, de-energize the two sets of electromagnetic adsorption surfaces located on the second side of the inflation support 1 and energize the two sets of electromagnetic adsorption surfaces located on the first side of the inflation support 1, control the bidirectional airflow control structure to fill in the maximum rated inflation volume of gas, and control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support 1 to energize.

[0074] S2-4: Activate the visual inspection mechanism 4-3 to obtain the second actual lumbar arch curvature of the inflatable support part 1, and compare the second actual lumbar arch curvature with the second standard lumbar arch curvature. If the result is satisfactory, proceed to step S3; otherwise, the result is deemed unqualified.

[0075] In this embodiment of the invention, step S3 specifically includes:

[0076] S3-1: Ensure the inflatable support part 1 is initially flat. The support frame 4-1 of the rotating contour detection device 4 is fixed at 100-110° to the base plate 4-6. Based on the seat pressure detection structure simulation, the curvature of the human lumbar arch, the position of the upper point of the human lumbar arch, and the position of the lower point of the human lumbar arch are obtained. The curvature of the human lumbar arch is denoted as... The position of the upper part of the human lumbar arch is recorded as The position of the lower lumbar arch of the human body is recorded as ;

[0077] S3-2: Activate the visual inspection mechanism to obtain the lower support point position (i.e., the height of the lower suction slider 2-1) and the upper support point position (i.e., the height of the upper suction slider 2-1) of the inflatable support part 1. Record the lower support point position as... The position of the support point is recorded as ;

[0078] when At that time, the first inflation / deflation control strategy is executed;

[0079] when At that time, the second inflation / deflation control strategy is executed;

[0080] when At that time, the third inflation / deflation control strategy is executed;

[0081] when At that time, the fourth inflation / deflation control strategy is executed.

[0082] In this embodiment of the invention, the steps of the first inflation / deflation control strategy include:

[0083] S3-2-1: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support part 1 to de-energize and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support part 1 to energize, control the bidirectional airflow control structure to fill the first volume of gas, and determine whether it meets the requirements after filling the first volume of gas. If it meets the requirements, proceed to step S3-2-2; if it does not meet the requirements, it is deemed unqualified.

[0084] S3-2-2: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support part 1 to be energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support part 1 to be de-energized, control the bidirectional airflow control structure to draw in the second volume of gas, and determine whether it meets the requirements after the second volume of gas is drawn in. If it meets the requirements, proceed to step S3-2-3; if it does not meet the requirements, it is deemed unqualified.

[0085] S3-2-3: Activate the visual inspection mechanism 4-3 to obtain the third actual bending arc of the inflatable support part 1, compare the third actual bending arc with the human lumbar arch bending arc, and record the third actual bending arc as... ,like If it is qualified, it is deemed qualified; otherwise, it is deemed unqualified.

[0086] In this embodiment of the invention, the steps of the second inflation / deflation control strategy include:

[0087] S3-2-4: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support part 1 to be energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support part 1 to be de-energized, control the bidirectional airflow control structure to fill the third volume of gas, and determine whether it meets the requirements after the third volume of gas is filled. If it meets the requirements, proceed to step S3-2-5; if it does not meet the requirements, it is deemed unqualified.

[0088] S3-2-5: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support part 1 to de-energize and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support part 1 to energize, control the bidirectional airflow control structure to draw in the fourth volume of gas, and determine whether it meets the requirements after the fourth volume of gas is drawn in. If it meets the requirements, proceed to step S3-2-6; if it does not meet the requirements, it is deemed unqualified.

[0089] S3-2-6: Activate the visual inspection mechanism 4-3 to obtain the third actual bending arc of the inflatable support part 1, and compare the third actual bending arc with the human lumbar arch bending arc. If... If it is qualified, it is considered qualified; otherwise, it is considered unqualified.

[0090] In this embodiment of the invention, the steps of the third inflation / deflation control strategy include:

[0091] S3-2-7: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support part 1 to de-energize and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support part 1 to energize, and control the bidirectional airflow control structure to fill the fifth volume of gas.

[0092] The two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support part 1 are energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support part 1 are de-energized, thereby controlling the bidirectional airflow control structure to draw in the fifth volume of gas.

[0093] Repeat step S3-2-7 until... Then, the first inflation / deflation control strategy is executed.

[0094] In a preferred embodiment of the present invention, the steps of the fourth inflation / deflation control strategy include:

[0095] S3-2-8: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support part 1 to be energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support part 1 to be de-energized, and control the bidirectional airflow control structure to fill the fifth volume of gas.

[0096] The two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support part 1 are de-energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support part 1 are energized, thereby controlling the bidirectional airflow control structure to draw in the fifth volume of gas.

[0097] Repeat steps S3-2-8 until... Then, the second inflation / deflation control strategy is executed.

[0098] In its initial, uninflated state, the vehicle seat back support device of this invention conforms to the lumbar arch range of a normal adult. and as well as and It is not within the scope of the inflation / deflation control strategy, and the reference point for obtaining the height value is the plane where the vehicle floor is located.

[0099] This invention provides a detection device for measuring the contour of a vehicle seat back support device, such as... Figure 2 As shown, the device includes:

[0100] The horizontal limit position detection module is configured to detect whether the bending curvature of the inflatable support meets the requirements when the inflatable support is in a horizontal state and is filled with the maximum rated inflation volume of gas.

[0101] The vertical limit position detection module is configured to detect whether the bending curvature of the inflatable support meets the requirements when the inflatable support is in a vertical position and is filled with the maximum rated inflation volume of gas.

[0102] The normal state follow detection module is configured to simulate the curvature of the human lumbar arch, the position of the upper point of the human lumbar arch, and the position of the lower point of the human lumbar arch based on the seat pressure detection structure when the inflatable support is in an inclined state. Based on different inflation and deflation control strategies, it detects whether the curvature of the inflatable support and the position of the support point meet the requirements.

[0103] Although the subject matter has been described using language specific to structural features and / or methodological logic, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or actions described above. Rather, the specific features and actions described above are merely illustrative examples of implementing the claims.

Claims

1. A method for measuring the contour of a vehicle seat back support device, characterized in that: Includes the following steps: S1. Horizontal Limit Position Detection: With the inflatable support in a horizontal position, inflate it with the maximum rated inflation volume of gas and check whether the bending arc of the inflatable support meets the requirements. If it does, proceed to step S2; if it does not, it is determined to be unqualified. S2. Vertical Limit Position Detection: With the inflatable support in a vertical position, inflate it with the maximum rated inflation volume of gas and check whether the bending arc of the inflatable support meets the requirements. If it does, proceed to step S3; if it does not, it is determined to be unqualified. S3. Normal State Follow-up Detection: When the inflatable support is in an inclined state, the bending arc of the human lumbar arch, the position of the upper point of the human lumbar arch, and the position of the lower point of the human lumbar arch are simulated based on the seat pressure detection structure. Based on different inflation and deflation control strategies, the bending arc and support point position of the inflatable support are detected to see if they meet the requirements. If they do, they are judged as qualified; if they do not, they are judged as unqualified.

2. The detection method according to claim 1, characterized in that, Step S1 specifically includes: S1-1: Ensure that the inflatable support is initially flat, rotate the support frame of the contour detection device to a horizontal state and fix it, so that the two sets of electromagnetic adsorption surfaces on the first side of the inflatable support are de-energized and the two sets of electromagnetic adsorption surfaces on the second side of the inflatable support are energized. After the bidirectional airflow control structure is filled with the maximum rated inflation volume of gas, control the four sets of electromagnetic adsorption surfaces on the first and second sides of the inflatable support to be energized. S1-2: Activate the visual inspection mechanism to obtain the first actual lumbar arch curvature of the inflatable support, and compare the first actual lumbar arch curvature with the first standard lumbar arch curvature. Record the first actual lumbar arch curvature as... The first standard lumbar arch curvature is denoted as ,like If yes, proceed to step S1-3; otherwise, it is deemed unqualified. S1-3: Control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support to de-energize, control the bidirectional airflow control structure to draw in the maximum rated inflation volume of gas, so that the inflation support returns to its initial flat state, de-energize the two sets of electromagnetic adsorption surfaces located on the second side of the inflation support and energize the two sets of electromagnetic adsorption surfaces located on the first side of the inflation support, control the bidirectional airflow control structure to inflate the maximum rated inflation volume of gas, and control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support to energize. S1-4: Activate the visual inspection mechanism to obtain the first actual bending arc of the inflatable support, and compare the first actual lumbar arch bending arc with the first standard lumbar arch bending arc. If the result is satisfactory, proceed to step S2; otherwise, it is deemed unqualified.

3. The detection method according to claim 1, characterized in that, Step S2 specifically includes: S2-1: Ensure that the inflatable support is initially flat, rotate the support frame of the contour detection device to a vertical position and fix it, so that the two sets of electromagnetic adsorption surfaces on the first side of the inflatable support are de-energized and the two sets of electromagnetic adsorption surfaces on the second side of the inflatable support are energized. After the bidirectional airflow control structure is filled with the maximum rated inflation volume of gas, control the four sets of electromagnetic adsorption surfaces on the first and second sides of the inflatable support to be energized. S2-2: Activate the visual inspection mechanism to obtain the second actual lumbar arch curvature of the inflatable support, and compare the second actual lumbar arch curvature with the second standard lumbar arch curvature. Record the second actual lumbar arch curvature as... The second standard lumbar arch curvature is denoted as ,like If yes, proceed to step S2-3; otherwise, it is deemed unqualified. S2-3: Control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support to de-energize, control the bidirectional airflow control structure to draw in the maximum rated inflation volume of gas, so that the inflation support returns to its initial flat state, de-energize the two sets of electromagnetic adsorption surfaces located on the second side of the inflation support and energize the two sets of electromagnetic adsorption surfaces located on the first side of the inflation support, control the bidirectional airflow control structure to inflate the maximum rated inflation volume of gas, and control the four sets of electromagnetic adsorption surfaces located on the first and second sides of the inflation support to energize. S2-4: Activate the visual inspection mechanism to obtain the second actual lumbar arch curvature of the inflatable support, and compare the second actual lumbar arch curvature with the second standard lumbar arch curvature. If the result is satisfactory, proceed to step S3; otherwise, the result is deemed unqualified.

4. The detection method according to claim 1, characterized in that, Step S3 specifically includes: S3-1: Ensure the inflatable support is initially flat. The support frame of the rotating contour detection device is tilted and fixed to the base plate. Based on the seat pressure detection structure simulation, obtain the human lumbar arch curvature, the upper point position of the human lumbar arch, and the lower point position of the human lumbar arch. Record the human lumbar arch curvature as... The position of the upper part of the human lumbar arch is recorded as The position of the lower lumbar arch of the human body is recorded as ; S3-2: Activate the visual inspection mechanism to obtain the lower support point position and upper support point position of the inflatable support part, and record the lower support point position as... The position of the support point is denoted as ; when At that time, the first inflation / deflation control strategy is executed; when At that time, the second inflation / deflation control strategy is executed; when At that time, the third inflation / deflation control strategy is executed; when At that time, the fourth inflation / deflation control strategy is executed.

5. The detection method according to claim 4, characterized in that, The steps of the first inflation / deflation control strategy include: S3-2-1: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to de-energize and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to energize, control the bidirectional airflow control structure to fill the first volume of gas, and determine whether it meets the requirements after filling the first volume of gas. If it meets the requirements, proceed to step S3-2-2; if it does not meet the requirements, it is deemed unqualified. S3-2-2: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to be energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to be de-energized, control the bidirectional airflow control structure to draw in the second volume of gas, and determine whether it meets the requirements after the second volume of gas is drawn in. If it meets the requirements, proceed to step S3-2-3; if it does not meet the requirements, it is deemed unqualified. S3-2-3: Activate the visual inspection mechanism to obtain the third actual bending arc of the inflatable support, compare the third actual bending arc with the human lumbar arch bending arc, and record the third actual bending arc as... ,like If it is qualified, it is deemed qualified; otherwise, it is deemed unqualified.

6. The detection method according to claim 4, characterized in that, The steps of the second inflation / deflation control strategy include: S3-2-4: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to be energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to be de-energized, control the bidirectional airflow control structure to fill the third volume of gas, and determine whether it meets the requirements after the third volume of gas is filled. If it meets the requirements, proceed to step S3-2-5; if it does not meet the requirements, it is deemed unqualified. S3-2-5: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to de-energize and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to energize, control the bidirectional airflow control structure to draw in a fourth volume of gas, and determine whether it meets the requirements after the fourth volume of gas is drawn in. If it meets the requirements, proceed to step S3-2-6; if it does not meet the requirements, it is deemed unqualified. S3-2-6: Activate the visual inspection mechanism to obtain the third actual bending arc of the inflatable support, and compare the third actual bending arc with the human lumbar arch bending arc. If... If it is qualified, it is considered qualified; otherwise, it is considered unqualified.

7. The detection method according to claim 4, characterized in that, The steps of the third inflation / deflation control strategy include: S3-2-7: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to de-energize and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to energize, and control the bidirectional airflow control structure to fill the fifth volume of gas. The two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support are energized while the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support are de-energized, thereby controlling the bidirectional airflow control structure to draw in the fifth volume of gas. Repeat step S3-2-7 until... Then, the first inflation / deflation control strategy is executed.

8. The detection method according to claim 4, characterized in that, The steps of the fourth inflation / deflation control strategy include: S3-2-8: Control the two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support to be energized and the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support to be de-energized, and control the bidirectional airflow control structure to fill the fifth volume of gas. The two sets of electromagnetic adsorption surfaces located on the second side of the inflatable support are de-energized while the two sets of electromagnetic adsorption surfaces located on the first side of the inflatable support are energized, thereby controlling the bidirectional airflow control structure to draw in the fifth volume of gas. Repeat steps S3-2-8 until... Then, the second inflation / deflation control strategy is executed.

9. The detection method according to claim 4, characterized in that, In step S3-1, the support frame of the rotating contour detection device is fixed at a 100-110° angle to the base plate.

10. A detection device for measuring the contour of a vehicle seat back support device, employing the detection method described in any one of claims 1 to 9, characterized in that, include: The horizontal limit position detection module is configured to detect whether the bending curvature of the inflatable support meets the requirements when the inflatable support is in a horizontal state and is filled with gas at the maximum rated inflation volume. The vertical limit position detection module is configured to, when the inflatable support is in a vertical position, be filled with gas at the maximum rated inflation volume, and detect whether the bending curvature of the inflatable support meets the requirements. The normal state follow detection module is configured to, when the inflatable support is in an inclined state, simulate the curvature of the human lumbar arch, the position of the upper point of the human lumbar arch, and the position of the lower point of the human lumbar arch based on the seat pressure detection structure, and detect whether the curvature of the inflatable support and the position of the support point meet the requirements based on different inflation and deflation control strategies.

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