Detection equipment for detecting comfort of automobile seat

Abstract

The utility model relates to the technical field of automobile comfort evaluation, in particular to detection equipment for automobile seat comfort detection, which comprises a frame body, a profiling extrusion mechanism is arranged on the frame body, the profiling extrusion mechanism comprises a seat assistive device, and the seat assistive device is connected onto the frame body through an adjusting mechanism; the adjusting mechanism can push the seat assistive device to extrude the automobile seat; a body pressure distribution pad is arranged on the seat assistive device; the detection equipment disclosed by the utility model can be used for acquiring the body pressure distribution data of the seat, is convenient for rating the comfort level of the seat subsequently, can be used in a laboratory or a production line, and has a wide application range.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile comfort evaluation, in particular to a detection device for detecting the comfort of automobile seats. Background Art

[0002] With the increasing popularity of automobile consumption and people's higher and higher requirements for riding comfort, the issue of automobile riding comfort is becoming more and more important. Ride comfort can effectively improve the riding experience of passengers, enable the driver to obtain a reasonable and comfortable driving posture during driving, and effectively reduce the fatigue of the car driver. It has gradually become one of the issues of concern to major vehicle manufacturers and parts companies in the international automobile industry. Among them, the design of car seats and various operating devices, such as the steering wheel and pedals in the cab, determines the driver's posture comfort. Therefore, ride comfort mainly refers to the comfort of car seats.

[0003] After the occupant sits on the car seat, the pressure distribution on the contact surface between the occupant and the seat will affect the blood flow in the occupant's buttocks, which is a key factor affecting riding comfort. Among them, the interaction between the occupant and the seat cushion is the key factor determining the pressure distribution, and the interaction between the occupant and the seat cushion is related to the seat frame structure, the mechanical properties of the seat cushion material, and the occupant's sitting posture and musculoskeletal system.

[0004] Research shows that for long-term drivers, if the car seat is not designed properly, the driver cannot get a comfortable sitting position, which makes them feel uncomfortable and tired, which may lead to long-term back pain and fatigue driving, which may cause traffic accidents. Therefore, improving the comfort of car seats is an important way to reduce driver fatigue and traffic accidents.

[0005] The factors affecting seat comfort mainly include frame structure, suspension springs, foam, and skin.

[0006] Once the design is completed, the skeleton structure is fixed and rarely changes.

[0007] The main factors that affect the comfort of the suspension spring are the size and material. If the size does not change, it is the suspension spring material that affects the comfort, so controlling the suspension spring material will do the trick.

[0008] The comfort control on traditional seat production lines is most affected, and is generally controlled by testing the hardness of the foam.

[0009] The thickness of the fabric is generally controlled by the skin manufacturer. The seat manufacturer's import inspection can only control the size of the skin pieces, but cannot fully control the softness and hardness of the skin.

[0010] To improve the comfort of car seats, we first need to evaluate the comfort of car seats.

[0011] Commonly used objective evaluation methods include: body pressure distribution evaluation method, human electromyography test evaluation method, electroencephalogram analysis method, electrocardiogram analysis method, posture analysis method, etc. Research in foreign academic circles shows that the body pressure distribution evaluation method is an objective factor that directly reflects the comfort of seats and is widely used in seat comfort evaluation.

[0012] Domestic independent brand companies generally use the body pressure distribution evaluation method when developing new car seat products.

[0013] However, there is currently a lack of testing equipment to enable evaluation of body pressure distribution.

[0014] Domestic body pressure distribution tests using dummies are all conducted using SAE.

[0015] At the same time, the target group of domestically developed seats is generally Chinese. The SAE dummy is larger than that of the Chinese, so the test results of body pressure distribution detected by SAE dummy do not quite match the needs of the Chinese population.

[0016] Therefore, in order to improve or solve at least one of the above problems, an auxiliary device is needed to assist in detecting the body pressure distribution data of the seat. Utility Model Content

[0017] The utility model aims to provide a detection device for conveniently acquiring body pressure distribution data of a car seat.

[0018] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0019] A testing device for testing the comfort of automobile seats, comprising a frame, on which a contour-profiling extrusion mechanism is provided, wherein the contour-profiling extrusion mechanism comprises a seat auxiliary tool, and the seat auxiliary tool is connected to the frame through an adjustment mechanism; the adjustment mechanism can push the seat auxiliary tool to squeeze the automobile seat;

[0020] A body pressure distribution pad is provided on the seat auxiliary tool.

[0021] The adjustment mechanism includes a first adjustment mechanism and a second adjustment mechanism, and the seat auxiliary device includes a back auxiliary device and a buttocks auxiliary device; the first adjustment mechanism is connected to the buttocks auxiliary device; and the second adjustment mechanism is connected to the back auxiliary device.

[0022] The first adjustment mechanism and the second adjustment mechanism are respectively connected to the frame through fixing members, and the fixing member includes a fixing seat; the first adjustment mechanism includes a first electric cylinder; the second adjustment mechanism includes a second electric cylinder; the first electric cylinder and the second electric cylinder are respectively connected to the frame through fixing members.

[0023] The first adjustment mechanism is arranged tilted.

[0024] The body pressure distribution pad comprises a backrest body pressure distribution pad arranged on the back-shaped auxiliary device and a seat cushion body pressure distribution pad arranged on the buttocks-shaped auxiliary device.

[0025] The frame includes a lower frame and an upper frame; the upper frame is connected to the lower frame through a side frame; the upper frame is arranged parallel to the lower frame; and the side frames are distributed on the sides of the lower frame and the upper frame.

[0026] The contour-profiling extrusion mechanism is connected to the upper frame, and the contour-profiling extrusion mechanism is located above the lower frame.

[0027] The advantages of the utility model are:

[0028] The utility model discloses a detection device for detecting the comfort of automobile seats.

[0029] The detection device disclosed in the utility model can be used to obtain body pressure distribution data of a seat, so as to facilitate subsequent rating of seat comfort. Meanwhile, the detection device disclosed in the utility model can be used in a laboratory or a production line, and has a wide range of uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The following is a brief description of the contents expressed in each of the drawings of the utility model specification and the marks in the drawings:

[0031] Figure 1 It is a structural schematic diagram of the utility model.

[0032] The marks in the above figure are:

[0033] 1. Frame, 2. Seat auxiliary equipment, 3. Body pressure distribution pad, 4. First adjustment mechanism, 5. Second adjustment mechanism, 6. Fixing parts. DETAILED DESCRIPTION

[0034] The specific implementation methods of the present utility model will be further explained in detail below by describing the optimal embodiments with reference to the accompanying drawings.

[0035] A testing device for testing the comfort of automobile seats comprises a frame 1, on which a contour-profiling squeezing mechanism is provided, the contour-profiling squeezing mechanism comprises a seat auxiliary tool 2, and the seat auxiliary tool 2 is connected to the frame 1 via an adjustment mechanism; the adjustment mechanism can push the seat auxiliary tool 2 to squeeze the automobile seat; the seat auxiliary tool 2 is provided with a body pressure distribution pad 3; the testing device disclosed in the utility model can be used to obtain body pressure distribution data of the seat, so as to facilitate subsequent rating of the seat comfort, and at the same time, the testing device disclosed in the utility model can be used in laboratories or production lines, and has a wide range of uses.

[0036] The detection equipment disclosed by the utility model is mainly used for simulating the body pressure distribution of a person on a seat.

[0037] Specifically, the detection device disclosed in the utility model mainly includes a frame 1; the frame 1 is the main support structure of the detection device, which facilitates the installation and arrangement of the subsequent profiling and squeezing mechanism. At the same time, the frame 1 in the utility model is provided with a profiling and squeezing mechanism, which essentially simulates the working conditions of different human bodies when sitting on the seat; the profiling and squeezing mechanism in the utility model includes a seat auxiliary device 2, which is equivalent to simulating the waist and buttocks of the occupant, and the seat auxiliary device 2 in the utility model is connected to the frame 1 through an adjustment mechanism; the setting of the adjustment mechanism is mainly used to provide squeezing force for the seat auxiliary device 2, which is used for different sitting postures of different weights or different groups of people; in the utility model, the adjustment mechanism can push the seat auxiliary device 2 to squeeze the car seat; it is convenient to identify the body pressure distribution data of the car seat in the subsequent process, and the body pressure distribution pad 3 is provided on the seat auxiliary device 2 in the utility model; it is convenient to directly identify the body pressure distribution data of the corresponding position in the subsequent process, because the body pressure distribution data is an objective factor reflecting the comfort of the seat, so the utility model can be applied to the evaluation of the comfort of the seat by detecting the body pressure distribution data.

[0038] Furthermore, in the present invention, the adjustment mechanism includes a first adjustment mechanism 4 and a second adjustment mechanism 5, and the seat auxiliary device 2 includes a back auxiliary device 21 and a buttocks auxiliary device 22; the first adjustment mechanism 4 is connected to the buttocks auxiliary device 22; the second adjustment mechanism 5 is connected to the back auxiliary device 21; in the present invention, the first adjustment mechanism 4 is used to control the squeezing force between the buttocks auxiliary device and the seat, and the second adjustment mechanism 5 is used to control the squeezing force between the back auxiliary device 21 and the car backrest, thereby obtaining the body pressure distribution data of the seat under different working conditions.

[0039] Furthermore, in the present invention, the first adjusting mechanism 4 and the second adjusting mechanism 5 are respectively connected to the frame 1 through a fixing member 6, and the fixing member 6 includes a fixing seat; the first adjusting mechanism 4 includes a first electric cylinder; the second adjusting mechanism 5 includes a second electric cylinder; the first electric cylinder and the second electric cylinder are respectively connected to the frame 1 through the fixing member 6; the fixing member 6 acts as a connecting member, which facilitates the installation and use of the first adjusting mechanism 4 and the second adjusting mechanism 5 on the frame 1, and the fixing member 6 can be fixedly connected to the frame 1, and can also be connected to the frame 1 through bolts or snaps; in the present invention, the structure and shape of the fixing seat can be designed as needed, and in actual use, the first electric cylinder and the second electric cylinder are required to be respectively connected to the corresponding fixing seats, and the first electric cylinder and the second electric cylinder are required to be used through the corresponding fixing seats; such a setting facilitates the arrangement of the first electric cylinder and the second electric cylinder.

[0040] Furthermore, in the present invention, the first adjusting mechanism 4 is arranged at an angle; the inclined arrangement here is mainly to facilitate the first adjusting mechanism 4 to push and squeeze the back shape assistive device 21 .

[0041] Furthermore, in the present invention, the body pressure distribution pad 3 includes a backrest body pressure distribution pad 31 arranged on the back-shaped auxiliary device 21 and a seat cushion body pressure distribution pad 32 arranged on the hip-shaped auxiliary device 22; this can facilitate the subsequent acquisition of body pressure distribution data of the vehicle's backrest and seat cushion areas.

[0042] Furthermore, in the present invention, the frame 1 includes a lower frame 11 and an upper frame 13; the upper frame 13 is connected to the lower frame 11 through a side frame 12; the upper frame 13 is arranged parallel to the lower frame 11; the side frame 12 is distributed on the sides of the lower frame 11 and the upper frame 13; in the actual design, the lower frame 11 is arranged in the horizontal direction, the upper frame 13 is above the lower frame 11, and the side frame 12 is perpendicular to the upper frame 13 and the lower frame 11 at the same time; this forms a space on the inside of the frame 1, which can be used to arrange a contour extrusion mechanism; in the present invention, the contour extrusion mechanism is mainly connected to the upper frame 13 through a fixing member 6, and at the same time, in order to ensure the dynamic balance of the entire equipment, it is required that the contour extrusion mechanism is above the lower frame 11; that is, below the upper frame 13 and above the lower frame 11; this can prevent the detection equipment from tipping over during subsequent use.

[0043] specific:

[0044] A testing device for testing the comfort of automobile seats comprises a frame 1, on which a contour-profiling squeezing mechanism is provided, the contour-profiling squeezing mechanism comprises a seat auxiliary tool 2, and the seat auxiliary tool 2 is connected to the frame 1 via an adjustment mechanism; the adjustment mechanism can push the seat auxiliary tool 2 to squeeze the automobile seat; the seat auxiliary tool 2 is provided with a body pressure distribution pad 3.

[0045] The utility model aims to design a car seat comfort testing device, which is preset in a seat laboratory and can also be placed on a production line for testing for the convenience of testing.

[0046] The detection equipment disclosed by the utility model can be tracked at any time, is easy to operate and has strong practicality.

[0047] The most important feature is that the final comfort (body pressure distribution) status of the entire chair is monitored.

[0048] The back shape assistive device 21 and the buttocks shape assistive device 22 disclosed in the utility model are fixed on corresponding servo electric cylinders.

[0049] The buttocks-shaped auxiliary tool 22 can move up and down by being fixed to the first electric cylinder on the upper part of the equipment bracket, and the back-shaped auxiliary tool 21 can achieve oblique movement by being fixed to the second electric cylinder on the equipment bracket.

[0050] Since the size parameters of the buttocks and back assistive device 21 are derived from the human body size parameter data of the China Automotive Standardization Research Institute, and the body pressure distribution pad 3 is wrapped around the outside of the back and buttocks assistive device, the test results using this device are closer to the test results of the Chinese population.

[0051] When the seat is being tested online, perform the following operations:

[0052] a) The seat is placed on the comfort testing equipment and fixed;

[0053] b) Adjust the seat to the designed position (including the seat cushion height, backrest angle and the designed position of the lumbar and leg supports);

[0054] c) The back-shaped auxiliary device 21 and the hip-shaped auxiliary device 22 are adjusted to the angles approved by the project design;

[0055] d) operating the electric cylinder to drive the back-shaped auxiliary device 21 and the buttocks-shaped auxiliary device 22 close to the seat surface, and to reset the body pressure distribution pad 3 device;

[0056] e) Continue to operate the electric cylinder to perform the seat body pressure distribution test and output the maximum pressure, average pressure, area width, area length and symmetry coefficient value;

[0057] f) Compare the above-mentioned relevant test parameters with the project engineering approval parameters to determine whether it can pass; if passed, it can be shipped.

[0058] This device is easy to operate, highly targeted, and can effectively control the comfort of the seat.

[0059] Obviously, the specific implementation of the present invention is not limited by the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention, they are all within the protection scope of the present invention.

Claims

1. A testing device for testing the comfort of automobile seats, characterized in that: The invention comprises a frame, wherein the frame is provided with a contour-profiling extrusion mechanism, wherein the contour-profiling extrusion mechanism comprises a seat auxiliary tool, wherein the seat auxiliary tool is connected to the frame through an adjustment mechanism; and the adjustment mechanism can push the seat auxiliary tool to squeeze the car seat; A body pressure distribution pad is provided on the seat auxiliary tool.

2. The vehicle seat comfort testing device according to claim 1, characterized in that: The adjustment mechanism includes a first adjustment mechanism and a second adjustment mechanism, and the seat auxiliary device includes a back auxiliary device and a buttocks auxiliary device; the first adjustment mechanism is connected to the buttocks auxiliary device; and the second adjustment mechanism is connected to the back auxiliary device.

3. The vehicle seat comfort testing device according to claim 2, characterized in that: The first adjustment mechanism and the second adjustment mechanism are respectively connected to the frame through fixing members, and the fixing member includes a fixing seat; the first adjustment mechanism includes a first electric cylinder; the second adjustment mechanism includes a second electric cylinder; the first electric cylinder and the second electric cylinder are respectively connected to the frame through fixing members.

4. The vehicle seat comfort testing device according to claim 3, characterized in that: The first adjustment mechanism is arranged tilted.

5. The vehicle seat comfort testing device according to claim 2, characterized in that: The body pressure distribution pad comprises a backrest body pressure distribution pad arranged on the back-shaped auxiliary device and a seat cushion body pressure distribution pad arranged on the buttocks-shaped auxiliary device.

6. The vehicle seat comfort testing device according to claim 3, characterized in that: The frame includes a lower frame and an upper frame; the upper frame is connected to the lower frame through a side frame; the upper frame is arranged parallel to the lower frame; and the side frames are distributed on the sides of the lower frame and the upper frame.

7. The vehicle seat comfort testing device according to claim 6, characterized in that: The contour-profiling extrusion mechanism is connected to the upper frame, and the contour-profiling extrusion mechanism is located above the lower frame.

Images