CN217688384U - Whole car seat hardness measurement system - Google Patents

Abstract

The utility model relates to a whole car seat hardness measurement system, whole car seat hardness measurement system includes: the measuring device comprises a motor and a vertical cantilever, a pressure plate is arranged at one end of the vertical cantilever, the motor is used for controlling the vertical cantilever to move transversely and longitudinally, and the measuring device is fixed with a vehicle to be measured through a fixed mechanical structure; the control cabinet is in communication connection with the motor and is used for automatically controlling the vertical cantilever to transversely move to a selected test area through the motor; the pressure measurement component is arranged corresponding to the pressure plate and used for measuring the pressure of the pressure plate pressing the seat to be measured, and the displacement measurement component is used for measuring the longitudinal displacement of the vertical cantilever. The embodiment of the disclosure improves the convenience and the automation degree of the whole vehicle seat hardness measurement process, realizes the measurement of the seat comfort performance in the whole vehicle state, and is closer to the user riding experience.

Description

Whole car seat hardness measurement system

Technical Field

The disclosure relates to the technical field of vehicle testing, in particular to a whole vehicle seat hardness measuring system.

Background

The comfort of the car seat influences the choice of the vehicle for the user and is one of the most important parts when the user chooses the vehicle. The driver and the passenger need to sit on the seat for a long time, and therefore the softness and hardness of the seat have a great influence on the posture and the state of the body. The seat is usually made of foam, when a person sits on the seat, the seat is stressed and deformed, namely the foam is deformed, and the deformation quantity and the hardness of the foam determine the hardness of the seat.

A seat of suitable stiffness can be comfortable without affecting the body posture. In the aspect of seat hardness measurement, usually, a seat manufacturer performs a test in a laboratory, measures the hardness of a seat foaming surface detached from a vehicle through a compression testing machine, and performs detection control on related parameters, but measured foaming performance parameters and comfort are only hardness performance under a specific tool, and cannot reflect riding comfort performance of the whole seat, and hardness and comfort of the whole seat cannot be measured.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a whole car seat hardness measurement system has improved the convenience and the degree of automation of whole car seat hardness measurement process, has realized the measurement of seat travelling comfort performance under the whole car state, more is close to the user and takes the impression.

The present disclosure provides a whole car seat hardness measurement system, includes:

the measuring device comprises a motor and a vertical cantilever, a pressure plate is arranged at one end of the vertical cantilever, the motor is used for controlling the vertical cantilever to move transversely and longitudinally, and the measuring device is fixed with a vehicle to be measured through a fixed mechanical structure;

the control cabinet is in communication connection with the motor and is used for automatically controlling the vertical cantilever to transversely move to a selected test area through the motor;

the pressure measuring component corresponds to the pressure plate and is used for measuring the pressure of the seat to be measured pressed by the pressure plate, and the displacement measuring component is used for measuring the longitudinal displacement of the vertical cantilever.

In some embodiments, the control cabinet is further configured to automatically control the vertical cantilever to move longitudinally to a position corresponding to a set indentation amount through the motor.

In some embodiments, further comprising:

the pressure distribution simulation measurement component is arranged on the seat to be tested and is in communication connection with the control cabinet, and the pressure distribution simulation measurement component is used for measuring the pressure distribution value of the seat to be tested in the contact area and determining the selected test area and the set indentation amount.

In some embodiments, the measurement device further comprises:

the supporting frame is arranged on the base and comprises a longitudinal supporting structure and a transverse supporting structure, the longitudinal supporting structure is used for supporting the transverse supporting structure, and a slide way used for transverse movement of the vertical cantilever is arranged on the transverse supporting structure.

In some embodiments, a pulley is mounted on the base and used for driving the measuring device to move.

In some embodiments, the pulley is a horsewheel.

In some embodiments, the fixing mechanism is disposed on the base, and the fixing mechanism is fixed to the vehicle under test by applying a force to a chassis of the vehicle under test.

In some embodiments, further comprising:

the locating plate, the locating plate set up in on the seat that awaits measuring, the locating plate includes fretwork location structure, fretwork location structure corresponds the pressure disk sets up and is used for the location the pressure disk is pressed the region of seat that awaits measuring.

In some embodiments, the displacement measuring component is fixed to the vertical cantilever.

In some embodiments, the motor is a servo motor.

The utility model provides a whole car seat hardness measurement system, including measuring device, control box, pressure measurement part and displacement measurement part, measuring device includes motor and vertical cantilever, the one end of vertical cantilever is provided with the pressure disk, the motor is used for control vertical cantilever lateral shifting and longitudinal movement, measuring device is fixed with the vehicle that awaits measuring through fixed mechanical structure, control box with motor communication connection, control box is used for passing through motor automatic control vertical cantilever lateral shifting is to selecting the test area, the pressure measurement part corresponds the pressure disk sets up and is used for measuring the pressure that the seat that awaits measuring was pressed to the pressure disk, the displacement measurement part is used for measuring the longitudinal displacement of vertical cantilever. According to the embodiment of the disclosure, the control case is in communication connection with the motor and sends an instruction to the motor, so that the movement of the vertical cantilever is controlled, the vertical cantilever can automatically reach a selected test area, manual control is not needed, and the convenience and the automation degree of the whole vehicle seat hardness measurement process are improved. In addition, the vertical cantilever is utilized to enable the pressure plate to be deep into the whole vehicle cabin so as to measure the hardness of the whole vehicle seat, the industrial problem that the hardness performance of the whole seat cannot be measured is solved, the measurement of the comfort performance of the seat in the whole vehicle state is realized, the foaming hardness measurement single performance is converted into the comfort measurement of the hardness of the whole seat, and the user riding feeling is more close.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a finished automobile seat hardness measurement system according to an embodiment of the present disclosure;

FIG. 2 is a mechanical structure diagram of a vehicle seat hardness measuring system according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of another finished vehicle seat hardness measurement system provided by the embodiment of the disclosure;

FIG. 4 is a seat pressure distribution diagram measured by a pressure distribution simulation measurement component according to an embodiment of the disclosure;

fig. 5 is a schematic illustration of positioning a selected test area according to an embodiment of the disclosure.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

When carrying out the hardness test to the seat of vehicle at present, can only place the seat of dismantling from the vehicle and operate on the laboratory bench, measure the hardness on seat foaming surface, it is great to record the performance parameter of foaming and the limitation of seat travelling comfort under this kind of circumstances, only is the hardness number of current specific situation, can't obtain the hardness number and the travelling comfort of whole seat.

In view of the above drawbacks of the prior art, an embodiment of the present disclosure provides a complete vehicle seat hardness measurement system, fig. 1 is a schematic structural diagram of the complete vehicle seat hardness measurement system provided in the embodiment of the present disclosure, and fig. 2 is a mechanical structural diagram of the complete vehicle seat hardness measurement system provided in the embodiment of the present disclosure. As shown in fig. 1 and fig. 2, a finished automobile seat hardness measurement system provided by the embodiment of the present disclosure includes: measuring device 10, control cabinet 11, pressure measurement component 12 and displacement measurement component 13.

The measuring device 10 comprises a motor 14 and a vertical cantilever 15, a pressure plate 16 is arranged at one end of the vertical cantilever 15, the motor 14 is used for controlling the horizontal movement and the longitudinal movement of the vertical cantilever 15, and the measuring device 10 is fixed with a vehicle to be measured through a fixed mechanical structure. The control box 11 is in communication with a motor 14, and the control box 11 is used for automatically controlling the vertical cantilever 15 to move transversely to the selected test area through the motor 14. The pressure measuring part 12 is arranged corresponding to the pressure plate 16 and is used for measuring the pressure of the pressure plate 16 pressing the seat to be measured, and the displacement measuring part 13 is used for measuring the longitudinal displacement of the vertical cantilever 15.

The measuring device 10 comprises a motor 14 and a vertical cantilever 15, wherein the motor 14 is electrically connected with the vertical cantilever 15, and the motor 14 can control the movement of the vertical cantilever 15, including transverse movement and longitudinal movement. One end of the vertical cantilever 15 is provided with a pressure plate 16, the vertical cantilever 15 firstly moves transversely to a position corresponding to a selected test area, then moves longitudinally to drive the pressure plate 16 to contact with the selected test area of the seat to be tested, a pressure measurement component 12 is arranged on the pressure plate 16, the pressure measurement component 12 can measure the pressure generated after the pressure plate 16 contacts with the selected test area of the seat to be tested, and a displacement measurement component 13 can measure the longitudinal displacement of the vertical cantilever 15 so as to obtain the relation between the longitudinal displacement of the pressure plate 16 and the pressure fed back by the seat to be tested, thereby realizing the hardness measurement of the whole vehicle seat.

The measuring device 10 can be connected and fixed with a vehicle to be measured through the fixing mechanical structure 21, the movement of the measuring device in the measuring process is prevented, and measuring results are influenced, after the measuring device 10 and the vehicle to be measured are relatively fixed, the transverse relative distance from the vertical cantilever 15 to a selected testing area is fixed, the transverse relative distance from the vertical cantilever 15 to the selected testing area can be stored in the control case 11 in advance, the control case 11 is in communication connection with the motor 14 during each measurement, the control case 11 can automatically control the movement of the motor 14 according to the transverse relative distance from the vertical cantilever 15 stored in advance to the selected testing area so as to achieve the effect of controlling the vertical cantilever 15, the vertical cantilever 15 can reach the selected testing area of the seat to be measured, manual control is not needed in the testing process, and the convenience and the automation degree of the whole vehicle seat hardness measuring process are improved.

In the measurement process, the measurement device 10 and a vehicle to be measured are mechanically fixed, the control cabinet 11 sends control information to the motor 14, after the motor 14 receives the control information, the vertical cantilever 15 is automatically controlled to transversely move, the vertical cantilever 15 reaches a selected test area, the vertical cantilever 15 longitudinally moves to drive the pressure plate 16 to be in contact with the selected test area, pressure is applied to the selected test area of the seat to be measured under the control of the motor 14, the pressure measurement component 12 is arranged on the pressure plate 16, the pressure of the seat to be measured pressed by the pressure plate 16 is measured, the displacement measurement component 13 can measure the longitudinal displacement of the vertical cantilever 15 moving to the selected test area, and the hardness of the vehicle seat can be analyzed according to the measurement result. Therefore, the embodiment of the disclosure utilizes the vertical cantilever to enable the pressure plate to be deep into the whole vehicle cabin so as to measure the hardness of the whole vehicle seat, solves the industrial problem that the hardness performance of the whole seat cannot be measured, realizes the measurement of the comfort performance of the seat in the whole vehicle state, converts the single performance of the foaming hardness measurement into the comfort measurement of the hardness of the whole seat, and is closer to the riding feeling of a user.

The pressure measuring part 12 may be, for example, a pressure sensor integrated in the pressure plate 16 and having a cylinder structure, and the pressure applied to the pressure plate 16 to press the seat to be tested is realized by detecting the reverse acting force when the pressure plate 16 presses the seat to be tested. The displacement measuring component 13 may be, for example, a displacement sensor, fig. 2 only exemplarily shows an arrangement position of the displacement measuring component 13, and the embodiment of the present disclosure does not limit a specific arrangement position of the displacement measuring component 13, and it is sufficient to ensure that the displacement measuring component 13 can measure the longitudinal displacement of the vertical cantilever 15. After the corresponding pressure value and the displacement value are obtained, a functional relationship between the horizontal coordinate and the displacement value can be established by taking the horizontal coordinate as the displacement value and taking the vertical coordinate as the pressure value, so as to further realize measurement of the hardness parameter of the whole vehicle seat.

In some embodiments, the control box 11 is further configured to automatically control the vertical cantilever 15 to move longitudinally to a position corresponding to the set indentation amount by the motor 14.

During the measurement, the platen 16 is required to reach the selected test area and pressure is applied to the selected test area, and the upper limit of the applied pressure value can be determined according to the set indentation amount. After the pressure test is carried out on the seat, the pressure distribution of each position of the seat is obtained, the indentation amount of the whole seat is obtained according to the pressure distribution, the point with the maximum pressure in the pressure distribution is converted into the upper limit value of the indentation amount, and the upper limit value is used as the set indentation amount. The corresponding amount of depression measured for different positions of the seat, i.e. the maximum displacement of the platen 16 that needs to be pressed down.

Through inputting information into the control cabinet 11, namely inputting a selected test area and a set indentation amount corresponding position of the selected test area, under the control of the motor 14, the vertical cantilever 15 moves transversely and longitudinally according to the requirement of the input information, when the vertical cantilever 15 moves downwards to a set indentation amount corresponding displacement, the vertical cantilever 15 stops moving, and at the moment, a complete stress-strain curve can be obtained according to a displacement value detected by the displacement measuring part 13 and a pressure value detected by the pressure measuring part 12 at the pressure plate 16, so that the hardness value of the whole seat is obtained.

Fig. 3 is a schematic structural diagram of another entire vehicle seat hardness measuring system provided in the embodiment of the present disclosure, and based on the structure shown in fig. 1, in the structure shown in fig. 3, the entire vehicle seat hardness measuring system further includes: the pressure distribution simulation measuring component 22 is arranged on the seat to be tested, the pressure distribution simulation measuring component 22 is in communication connection with the control cabinet 11, and the pressure distribution simulation measuring component 22 is used for measuring the pressure distribution value of the seating contact area of the seat to be tested and determining the selected test area and the set indentation amount.

Specifically, the pressure distribution simulation measurement component 22 may be, for example, a pressure distribution simulation measurement pad, before the hardness measurement of the seat to be measured is performed, the pressure distribution simulation measurement component 22 may be disposed in the seating contact area of the seat to be measured, and when a person sits on the seat to be measured, the pressure distribution simulation measurement component 22 receives pressure brought by the human body, measures pressure values at different positions of the seating contact area of the seat to be measured, and finally obtains the pressure distribution structure.

Fig. 4 is a seat pressure distribution diagram measured by a pressure distribution simulation measurement component according to an embodiment of the disclosure. The pressure distribution of the seat under test measured by the pressure distribution simulation measuring part 22 is shown in fig. 4, in which the darker portion indicates that the seat under test is subjected to a higher pressure, and the lighter portion indicates that the seat under test is subjected to a lower pressure. Specifically, a selected test area is determined according to a pressure distribution value of a seating contact area of a seat to be tested, a maximum pressure point, for example, a point a, can be found according to the measurement structure shown in fig. 4, the point a is used as a circle center of the selected test area, the radius of the pressure plate 16 is used as the radius of the selected test area, and the selected test area can be determined by controlling the case 11, so that automatic control of the transverse moving distance of the vertical cantilever 15 is realized. Specifically, the process of determining the set indentation amount according to the pressure distribution value of the seating contact area of the seat to be tested may refer to the description of the set indentation amount determination process in the foregoing embodiment, that is, the set indentation amount is determined according to the pressure intensity corresponding to the point a, and details are not repeated here.

Therefore, the whole vehicle seat hardness measuring system provided by the embodiment of the disclosure further comprises a pressure distribution simulation measuring component 22, the pressure distribution simulation measuring component 22 is in communication connection with the control cabinet 11, and the pressure distribution simulation measuring component 22 is used for measuring the pressure distribution value of the seating contact area of the seat to be measured and determining the selected test area and the set indentation amount, so that the measuring system can be matched with the seating feeling in the whole seat state.

Illustratively, fig. 5 is a schematic illustration of a positioning of a selected test area according to an embodiment of the present disclosure. As shown in fig. 5, whole car seat hardness measurement system can also include locating plate 23, and locating plate 23 sets up on the seat that awaits measuring, and locating plate 23 includes fretwork location structure 24, and fretwork location structure 24 corresponds the setting of pressure disk 16 and is used for fixing a position pressure disk 16 and presses the region of seat that awaits measuring. Specifically, on the basis that the control cabinet 11 can automatically control the vertical cantilever 15 to transversely move to the selected test area, the selected test area can be further accurately determined by using the positioning plate 23 according to the pressure distribution value of the seating contact area of the seat to be tested.

For example, after the point a is confirmed, can use point a as the centre of a circle, use pressure disk 16's radius for making the fretwork location structure 24 in the locating plate 23 that fig. 5 shows, for example circular location structure, locating plate 23 for example can be transparent acrylic plate, for guaranteeing measuring accuracy, can place transparent acrylic plate on the seat that awaits measuring takes the touch area, be the fretwork setting in the middle of the acrylic plate, correspond fretwork location structure 24 promptly, make pressure disk 16 can put into wherein. The hollow positioning structure 24 is placed in a selected test area, and the vertical cantilever 15 moves to the position, so that the pressure plate 16 is accurately placed, and the measuring result is prevented from being influenced by deviation in the moving and measuring processes. When the selected test area is changed, the acrylic plate can be moved, and the test can be repeated for multiple times.

In some embodiments, as shown in fig. 2, the measurement device 10 further comprises: the support frame comprises a base 17 and a support frame, wherein the support frame is arranged on the base 17 and comprises a longitudinal support structure 181 and a transverse support structure 182, the longitudinal support structure 181 is used for supporting the transverse support structure 182, and a slide 19 for transverse movement of the vertical cantilever 15 is arranged on the transverse support structure 182.

Specifically, the base 17 of the measuring device 10 is used for bearing, a support frame is arranged on the base 17, a longitudinal support structure 181 is arranged perpendicular to the base 17, one end of the longitudinal support structure 181 is directly and mechanically connected with the base 17, and the longitudinal support structure 181 is used for supporting a transverse support structure 182. The lateral support structure 182 is in parallel relation with the base 17 and has a lateral slide 19 disposed thereon, and the vertical boom 15 can move laterally along the slide 19 to meet the requirement of lateral movement of the vertical boom 15. When the measuring device 10 is fixed to the vehicle to be tested, the horizontal distance between the platen 16 and the selected test area can be adjusted by controlling the vertical cantilever 15 to move laterally on the slide 19. For example, the slide 19 may be provided with a snap-fit structure corresponding to a selected test area to secure the vertical cantilever 15 in place corresponding to the selected test area.

In some embodiments, as shown in fig. 2, a pulley 20 is mounted on the base, and the pulley 20 is used for moving the measuring device 10.

Specifically, the base 17 may be provided with a plurality of pulleys 20, the pulleys 20 being mechanically connected to the base 17. The pulley 20 can drive the measuring device 10 to move, so that the measuring equipment provided by the embodiment of the disclosure is converted into movable measuring equipment from laboratory fixed rack measuring equipment, the hardness measuring equipment of the seat which is movable based on the whole vehicle state is realized, the industrial problem that the hardness performance of the whole seat cannot be measured is conveniently solved, the measurement of the comfort performance of the seat in the whole vehicle state is realized, the single performance of the foaming hardness measurement is converted into the comfort measurement of the hardness of the whole seat, and the measurement is closer to the riding feeling of a user. In addition, the pulley 20 makes the measuring device 10 more labor-saving and light in the moving process, is suitable for various environments, and can reduce the labor intensity of operators and improve the working efficiency. The pulley 20 can also be chosen to have a variety of specifications, and the bottom can also be specially designed to be more stable.

In some embodiments, the pulley 20 is a horsewheel.

Particularly, the horse wheel is called a horizontal adjustment support type trundle, is mainly suitable for the bottom movement support effect of large equipment frames such as equipment frames, workbenches and mobile maintenance platforms built by industrial aluminum profiles, can realize the simple and convenient movement and height adjustment of fixed bearings and idler wheels, and also has the dustproof effect. For example, the measuring device can be changed into a movable workbench by installing the rocking wheels in four directions of the base respectively and moving the base in any direction. Because the horse wheel not only can remove, can also adjust self height, also can unable adjustment base simultaneously, and the installation is also comparatively simple. Therefore, the height of the measuring device can be adjusted, and the measuring device can be fixed at a selected position when the vehicle to be measured is measured, so that the measuring device is prevented from moving to influence the measurement.

In some embodiments, as shown in fig. 2, a fixing mechanism 21 is disposed on the base 17, and the fixing mechanism 21 is fixed to the vehicle under test by applying a force to the chassis of the vehicle under test.

Specifically, the base 17 is further provided with a fixed mechanical structure 21, and the fixed mechanical structure 21 is installed to enable the measuring device 10 and the vehicle to be measured to be relatively stable in the measuring process, so that the measuring device 10 does not topple over in the measuring process. Because a large pressure is generated between the measuring device 10 and the vehicle to be measured when the hardness test is performed, the force applied to the vehicle to be measured by the measuring device 10 can react to the measuring device 10, so that the measuring device 10 tilts or moves relative to the vehicle to be measured, and the measuring result is affected. Therefore, the fixed mechanical structure 21 can be used to apply an acting force to the chassis of the vehicle under the vehicle to be measured, so that the whole measuring device 10 is relatively fixed with the vehicle to be measured, and the position relation between the vehicle to be measured and the measuring device cannot be influenced by the force in the measuring process, thereby influencing the accuracy of the measurement. In addition, the relative position of the measuring device 10 and the vehicle to be measured can be fixed by using the fixed mechanical structure 21, which is beneficial to the control cabinet 11 to accurately obtain the position of the selected test area, and the measurement accuracy is improved.

In some embodiments, the fixed mechanical structure 21 is a jack.

Specifically, the jack refers to a light and small lifting device which uses a rigid jacking piece as a working device and jacks a heavy object through a top bracket or a bottom supporting claw within a small stroke. The jack is mainly used for the departments of factories, mines, transportation and the like as vehicle repair, other lifting, supporting and the like. The structure is light, firm, flexible and reliable, and can be carried and operated by one person. The jack is comparatively light and handy, uses the jack to set up on base 17 as fixed mechanical structure 21, and is fixed with the vehicle that awaits measuring, can enough reduce measuring device's volume, also can reach fixed purpose.

In some embodiments, the displacement measuring means 13 is fixed to the vertical cantilever 15.

In particular, the displacement measuring means 13 for measuring the longitudinal displacement of the vertical cantilever 15 may be provided on the vertical cantilever 15. The position of the fixed displacement measuring means 13 can be selected as the origin, and when the vertical cantilever 15 is moved, the displacement measuring means 13 can judge the amount of the moved displacement. The displacement measuring component 13 may be, for example, a displacement sensor, which is also called a linear sensor, and is a linear device based on metal induction, and may be a strain displacement sensor, an inductive displacement sensor, a differential transformer displacement sensor, an eddy current displacement sensor, a hall displacement sensor, or the like. It should be noted that the displacement measuring component 13 may also be disposed at other positions, for example, the displacement measuring component 13 may be disposed on a fixing device and emit light to the side where the vertical cantilever 15 is located, so as to implement measurement of the longitudinal displacement of the vertical cantilever 15.

In some embodiments, the motor 14 is a servo motor.

Specifically, the motor 14 may be a servomotor, and the rotor is stationary before the control information of the control box 11 is sent out; when the control information is sent out, the rotor immediately rotates; when the control information disappears, the rotor can be stopped in time. The servo motor can control the speed, the position precision is very accurate, and a voltage signal can be converted into torque and rotating speed to drive a control object. The servo motor has rotor speed controlled by the input signal and fast response, and may be used as the executing element in automatic control system, and has the features of small electromechanical time constant, high linearity, etc. the servo motor can convert the received electric signal into angular displacement or angular speed of the motor shaft for output. The servo motor can make the measuring device 10 work more accurately under the control of the control cabinet 11, and after the control cabinet 11 sends out control information, the servo motor accurately executes a command to drive the vertical cantilever 15 to move.

Specifically, when the seat hardness test is performed on a vehicle, the measuring device 10 may be moved to the side of the vehicle to be tested, a suitable position is selected, and the measuring device 10 is fixed to the vehicle to be tested by using a jack, so as to prevent the vehicle from moving during the test. And obtaining a pressure distribution diagram according to the measurement of the pressure test pad, and determining the selected test area according to the pressure distribution diagram. For example, the portion having the largest pressure value is selected, and the corresponding set indentation amount is calculated from the pressure value of the area. And the control cabinet 11 sends control information to the motor 14 according to the result, and the motor 14 controls the vertical cantilever 15 to complete the content of the control information. The vertical cantilever 15 moves to reach the upper part of a selected test area of a vehicle to be tested, an acrylic plate is placed above the selected test area, when a pressure plate 16 on the vertical cantilever 15 is accurately placed in a hollowed part of the acrylic plate, a force can be applied downwards to test until the downwards compressed position reaches a set indentation amount, and the test is completed. The relevant measurement data is transmitted to the control cabinet 11, and the measurement and comfort of the seat can be obtained according to the measurement data. The measurement process does not need manual control to search for a measurement position, and the requirement on the measurement environment is low.

According to the embodiment of the invention, the control case is in communication connection with the motor and sends the instruction to the motor, so that the movement of the vertical cantilever is controlled, the vertical cantilever can automatically reach a selected test area, manual control is not needed, and the convenience and the automation degree of the whole vehicle seat hardness measurement process are improved. In addition, the vertical cantilever is utilized to enable the pressure plate to be deep into the whole vehicle cabin so as to measure the hardness of the whole vehicle seat, the industrial problem that the hardness performance of the whole seat cannot be measured is solved, the measurement of the comfort performance of the seat in the whole vehicle state is realized, the foaming hardness measurement single performance is converted into the comfort measurement of the hardness of the whole seat, and the user riding feeling is more close.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a whole car seat hardness measurement system which characterized in that includes:

the measuring device comprises a motor and a vertical cantilever, a pressure plate is arranged at one end of the vertical cantilever, the motor is used for controlling the vertical cantilever to move transversely and longitudinally, and the measuring device is fixed with a vehicle to be measured through a fixed mechanical structure;

the control cabinet is in communication connection with the motor and is used for automatically controlling the vertical cantilever to transversely move to a selected test area through the motor;

the pressure measurement component corresponds the pressure plate is arranged and used for measuring the pressure of the seat to be measured pressed by the pressure plate, and the displacement measurement component is used for measuring the longitudinal displacement of the vertical cantilever.

2. The full car seat hardness measuring system of claim 1, wherein the controller box is further configured to automatically control the vertical cantilever to move longitudinally to a position corresponding to a set indentation amount through the motor.

3. The finished vehicle seat hardness measurement system of claim 2, further comprising:

the pressure distribution simulation measurement component is arranged on the seat to be tested and is in communication connection with the control cabinet, and the pressure distribution simulation measurement component is used for measuring the pressure distribution value of the seat to be tested in the contact area and determining the selected test area and the set indentation amount.

4. The full car seat hardness measuring system of claim 1, wherein said measuring device further comprises:

the supporting frame is arranged on the base and comprises a longitudinal supporting structure and a transverse supporting structure, the longitudinal supporting structure is used for supporting the transverse supporting structure, and a slide way used for transverse movement of the vertical cantilever is arranged on the transverse supporting structure.

5. The system for measuring the hardness of the whole car seat according to claim 4, wherein a pulley is mounted on the base and used for driving the measuring device to move.

6. The full car seat hardness measuring system of claim 5, wherein the pulley is a Fourman wheel.

7. The system of claim 4, wherein the fixed mechanical structure is disposed on the base, and the fixed mechanical structure is fixed to the vehicle by applying an acting force to a chassis of the vehicle under test.

8. The finished vehicle seat hardness measurement system of claim 1, further comprising:

the locating plate, the locating plate set up in on the seat that awaits measuring, the locating plate includes fretwork location structure, fretwork location structure corresponds the pressure disk sets up and is used for the location the pressure disk is pressed the region of seat that awaits measuring.

9. The full car seat firmness measurement system of claim 1, wherein the displacement measurement member is fixed to the vertical cantilever arm.

10. The finished vehicle seat hardness measuring system of claim 1, wherein the motor is a servo motor.

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