CN115014796A - Simulation device for EDR driving operation data test - Google Patents

Abstract

The present application relates to a simulation device for EDR driving operation data test, which includes: a fixed seat, on which a travel disc is arranged; a connecting rod, which is rotatably connected to the center of the travel disc; a push rod, one end of which is connected with the connecting rod, The other end is connected with a pedal clamp; an adjustment assembly, which is used for locking the connecting rod on the travel disc, or unlocking it from the travel disc. When the connecting rod rotates around the center of the stroke disc, the end of the push rod connected with the pedal clamp also makes an arc motion, so that the pedal clamp presses or releases the brake pedal or accelerator pedal; The use of the assembly, after the push rod rotates at an appropriate angle at the center of the stroke disc, the adjustment assembly is used to lock the connecting rod on the stroke disc, or unlock it from the stroke disc, so as to achieve accurate pedal stroke control to avoid testing Uncontrollable shaking occurs when personnel step on the brake pedal and accelerator pedal, resulting in errors in the experimental results.

Description

A simulation device for EDR driving operation data test

technical field

The application relates to the field of vehicle event data recording system testing, in particular to a simulation device for EDR driving operation data testing.

Background technique

At present, GB39732-2020 Automotive Event Data Recorder (EDR) has been promulgated and will be implemented from January 1, 2022. The EDR (Event Data Recorder system) detection in the standard mainly includes three items, namely: crash test, driving operation data Test, bench test. Among them, in the driving operation data test, it is required that the accelerator pedal and the brake pedal must maintain a certain travel, non-empty travel position. After the test, the data should be compared with the data read by the EDR. Whether the EDR can accurately record the travel of the accelerator pedal and the brake pedal is related to whether the test results meet the standard requirements. Therefore, it is particularly important to accurately control the travel positions of the accelerator pedal and the brake pedal during the test.

In some related technologies, most of the manufacturers and testing institutions are still using the test personnel to conduct the driving operation, which is a special simulation device for the EDR driving operation data test. This method has the following problems:

(1) Not only does it have potential safety hazards, but if the airbag accidentally explodes during the test, it will cause harm to the test personnel.

(2) There is also instability, because the test personnel will experience uncontrollable jitter when stepping on the brake pedal and the accelerator pedal, resulting in instability in the test process and the inability to accurately control the stepping stroke, and the results after the test cannot be consistent with Read data for accurate comparison.

SUMMARY OF THE INVENTION

The embodiment of the present application provides a simulation device for EDR driving operation data test, so as to solve the problem that in the related art, uncontrollable jitter may occur when the tester steps on the brake pedal and the accelerator pedal. error problem.

In a first aspect, a simulation device for EDR driving operation data test is provided, which includes:

A fixed seat, on which a travel disc is arranged;

a connecting rod, which is rotatably connected to the center of the travel disc;

a push rod, one end of which is connected with the connecting rod, and the other end is connected with a pedal clamp;

An adjustment assembly, which is used for locking the connecting rod on the travel disc, or unlocking it from the travel disc.

In some embodiments, the connecting rod includes a first connecting rod, a second connecting rod and a connecting shaft; one end of the first connecting rod is rotatably connected to the center of the travel disc through the connecting shaft, and the other end is connected to the second connecting rod. The connecting rod is fixedly connected, and the second connecting rod is connected with the push rod.

In some embodiments, the adjustment assembly includes:

a plurality of evenly spaced ratchet teeth arranged on the travel disc;

One end of the moving rod passes through the second connecting rod, and the end is provided with a pawl engaged with the ratchet teeth.

In some embodiments, the moving rod member includes a handle base, a straight rod and an elastic member, wherein the handle base is mounted on one end of the second link away from the stroke plate, and a mounting channel is provided in the handle base;

One end of the straight rod is provided with an installation channel, and the pawl is installed at this end; an elastic piece is sleeved on the other end, and is connected with the handle seat through the elastic piece.

In some embodiments, the push rod includes a bending section, and two ends of the bending section are connected with a horizontal section and an inclined section; wherein the horizontal section is connected with the pedal clamp; and the inclined section is connected with the connecting rod.

In some embodiments, the inclined section is provided with a collar connecting piece, and the collar connecting piece is provided with a fastening bolt; the connecting rod is provided with a screw hole adapted to the fastening bolt.

In some embodiments, a third link is provided between the horizontal section and the pedal clamp, and the third link is a telescopic rod; or

A third connecting rod is arranged between the horizontal section and the pedal holding member, and one end of the third connecting rod is connected to the pedal holding member; the other end is movably penetrated in the horizontal section, and A first positioning hole is arranged thereon; a plurality of second positioning holes are arranged on the horizontal section, and a positioning pin pierced through the first positioning hole and the second positioning hole.

In some embodiments, the pedal clamp includes:

a clamping plate, which is connected with the push rod;

The U-bolt passes through the clamping plate, and the two ends of the U-bolt are respectively provided with tightening nut groups. The tightening nut groups are used to fix the clamping plate and adjust the installation formed by the U-bolt and the clamping plate. the size of the space.

In some embodiments, the fixing base includes:

The rectangular beam frame is provided with a connecting beam; the connecting beam is provided with a T-shaped chute arranged along its length; the T-shaped chute is provided with connecting bolts;

One side of the moving plate is connected with the connecting beam by connecting bolts, and the other side is connected with the travel plate.

In some embodiments, the number of the travel discs is two; the push rods are arranged corresponding to the travel discs, wherein the pedal clamp on one push rod is used to connect with the accelerator pedal, and the pedal clamp on the other push rod The holder is used to connect with the brake pedal.

The beneficial effects brought by the technical solution provided by this application include:

The embodiment of the present application provides a simulation device for EDR driving operation data test. Since the center of the stroke plate on the fixed seat is rotatably connected with a connecting rod, the connecting rod is connected with a push rod, and the end of the push rod away from the connecting rod is connected with a pedal Clamping piece; when in use, the fixed seat is installed on the vehicle seat, and the pedal clamping piece is connected with the brake pedal or the accelerator pedal. When the connecting rod rotates around the center of the travel disc, it drives the push rod and the pedal to clamp The end of the connecting piece also makes a circular arc movement, so that the pedal clamping piece presses or releases the brake pedal or accelerator pedal; in addition, with the use of the adjustment component, after the push rod rotates at an appropriate angle around the center of the stroke disc, adjust the The assembly is used to lock the connecting rod on the travel disc, or unlock it from the travel disc, so as to achieve accurate pedal stroke control, so as to avoid uncontrollable jitter when the test personnel step on the brake pedal and accelerator pedal, which will lead to experimental results. There is an error problem.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic diagram of the overall structure of a simulation device for an EDR driving operation data test provided by an embodiment of the application;

2 is a top view of a simulation device for an EDR driving operation data test provided by an embodiment of the present application;

3 is a partial schematic diagram of a simulation device for an EDR driving operation data test provided by an embodiment of the present application;

4 is a schematic diagram of the connection between the adjusting assembly and the connecting rod provided by the embodiment of the present application;

FIG. 5 is a schematic structural diagram of a pedal clamp provided by an embodiment of the present application.

In the figure: 1, fixed seat; 10, connecting beam; 11, T-shaped chute; 12, connecting bolt; 13, moving plate; 14, first connecting beam; 15, second connecting beam; 2, travel plate; 3 , push rod; 30, horizontal section; 31, bending section; 32, inclined section; 33, collar connecting piece; 4, connecting rod; 40, first connecting rod; 41, second connecting rod; 42, connecting shaft ;5, pedal clamp; 50, clamping plate; 51, U-bolt; 52, tightening nut group; 6, adjusting assembly; 60, ratchet teeth; 61, moving rod; 610, handle seat; 611 612, the elastic member; 62, the pawl; 7, the third connecting rod; 8, the second positioning hole; 9, the positioning pin.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

The embodiment of the present application provides a simulation device for EDR driving operation data test, so as to solve the problem that in the related art, uncontrollable jitter may occur when the tester steps on the brake pedal and the accelerator pedal, and the inability to precisely control the stepping stroke may lead to experimental results. There is an error problem.

Please refer to FIGS. 1-3 , a simulation device for EDR driving operation data test, which includes a fixed seat 1 , a travel disc 2 , a connecting rod 4 , a push rod 3 , a pedal clamp 5 and an adjustment assembly 6 .

Wherein, the fixed seat 1 is provided with a travel disc 2, the travel disc 2 is circular, fan-shaped or semi-circular, and the connecting rod 4 is rotatably connected to the center of the travel disc 2; one end of the push rod 3 is connected with the connecting rod 4, and the other end is connected The pedal clamp 5; the adjustment assembly 6 is used to lock the connecting rod 4 on the travel plate 2, or unlock it from the travel plate 2.

Through the arrangement of the above structure, in use, firstly, before the test, the fixed seat 1 is fixed to the rigid part of the lower end of the seat by two high elastic straps with hooks, and is fixed to the seat back through the straps. Complete the installation on the vehicle seat. Connect the pedal clamp 5 with the brake pedal or the accelerator pedal, when the connecting rod 4 rotates at the center of the stroke disc 2, the end of the push rod 3 connected with the pedal clamp 5 also makes an arc motion, so that the pedal The clamping member 5 presses or releases the brake pedal or the accelerator pedal; in addition, with the use of the adjustment assembly 6, after the push rod 3 is rotated at an appropriate angle from the center of the stroke disc 2, the adjustment assembly 6 is used to connect the connecting rod 4. It is locked on the travel disc 2 or unlocked from the travel disc 2, so as to achieve accurate pedal stroke control, so as to avoid uncontrollable jitter when the tester steps on the brake pedal and accelerator pedal, resulting in errors in the experimental results. ;

Furthermore, the arrangement of such a device also has the problem of avoiding the problem that the accidental explosion of the airbag will cause injury to the test personnel during the test, thereby improving the safety.

3 and 4, in some preferred embodiments, the specific structure of the connecting rod 4 is:

The connecting rod 4 includes a first connecting rod 40, a second connecting rod 41 and a connecting shaft 42; one end of the first connecting rod 40 is rotatably connected to the center of the travel plate 2 through the connecting shaft 42, and the other end is fixed with the second connecting rod 41 Connection; fixed connection or adjustable connection between the second link 41 and the push rod 3, so that the relative positions of the two can be relatively fixed or can be changed to suit different usage requirements.

Further, in order to ensure stable movement on the travel plate 2, the number of the first connecting rods 40 is two, which are distributed in the front and rear of the travel plate 2 to form a guide channel. One end of the first connecting rod 40 away from the travel plate 2 is fixedly connected to the second connecting rod 41 ; the present embodiment does not exclude the situation that the first connecting rod 40 is replaced with a U-shaped clip.

3 and 4, in some preferred embodiments, the specific structure of the adjustment assembly 6 is as follows:

The adjustment assembly 6 includes: a ratchet tooth 60 and a moving rod 61

There are a plurality of ratchet teeth 60, and they are evenly distributed on the travel plate 2, which can be distributed on the outer arc edge of the travel plate 2, or can be arranged on the surface of the travel plate 2; The rod 41 is provided with a pawl 62 engaged with the ratchet teeth 60 at this end.

During use, by moving the rod 61 within the second link 41, the pawl 62 and the ratchet teeth 60 can be engaged and separated to achieve locking and unlocking.

Further, in order to keep the device in a locked state for a long time, the moving rod 61 includes a handle base 610 , a straight rod 611 and an elastic member 612 , wherein the handle base 610 is installed on the second link 41 away from the travel plate 2 . On one end of the handle seat 610, there is an installation channel;

One end of the straight rod 611 is provided with an installation channel, and the pawl 62 is installed at this end; an elastic member 612 is sleeved on the other end, and is connected to the handle base 610 through the elastic member 612 .

Through the above structure, it is in a locked state under normal conditions. When adjustment is required, press the straight rod 611 to separate the pawl 62 and the ratchet tooth 60 at the end of the straight rod 611 to achieve unlocking, and then return to locking after loosening. status.

Of course, in this embodiment, it is not excluded that the moving rod 61 is replaced with a rod with a telescopic function that can be extended or shortened in length.

There may be other ways of locking in this embodiment, for example, the travel plate 2 is provided with a plurality of positioning holes, the first connecting rod 40 is provided with a pin shaft; or the travel plate 2 is provided with an arc-shaped groove , the first connecting rod 40 is provided with a tightening screw, and the tightening screw is used for locking, which can realize stepless adjustment.

In some preferred embodiments, in order to facilitate use and prevent the fixed seat 1 from affecting the rotation range of the push rod 3, the following settings are made:

The push rod 3 includes a bent section 31 , and two ends of the bent section 31 are connected with a horizontal section 30 and an inclined section 32 ; the horizontal section 30 is connected with the pedal clamp 5 ; The above push rod 3 has a substantially zigzag shape.

Further, in order to easily adjust the angle between the push rod 3 and the connecting rod 4 to adapt to different vehicle models, a collar connecting piece 33 is provided on the inclined section 32, and a fastening bolt is provided on the collar connecting piece 33; 4 is provided with screw holes adapted to the tightening bolts, and the second connecting rod 41 and the push rod 3 are connected to the collar connector 33 through the tightening bolts, so that the connection between the push rod 3 and the connecting rod 3 can be changed by adjusting the tightness of the tightening bolts. The angle between the rods 4.

In some embodiments, in order to realize the adjustment of the horizontal distance between the pedal clamping member 5 and the fixing base 1, the following settings are provided:

A third connecting rod 7 is provided between the horizontal section 30 and the pedal clamping member 5, and the third connecting rod 7 is a telescopic rod; or

Referring to FIG. 1 , a third connecting rod 7 is provided between the horizontal section 30 and the pedal holding member 5 , and one end of the third connecting rod 7 is connected to the pedal holding member 5 ; the other end movably passes through the horizontal section 30 , and a first positioning hole is provided on it; the horizontal section 30 is provided with a plurality of second positioning holes 8 distributed along a straight line, and a positioning pin 9 passing through the first positioning hole and the second positioning hole 8. After the three connecting rods 7 are protruded from the horizontal section 30 by an appropriate distance, the horizontal adjustment positioning pins 9 are inserted into the first positioning holes and the second positioning holes 8 for positioning.

Referring to FIG. 5 , in some embodiments, in order to facilitate the connection of the pedal holder 5 with the brake pedal or the accelerator pedal, and to suit different sizes of brake pedals or accelerator pedals, the pedal holder 5 includes:

The clamping plate 50 is connected with the push rod 3; the U-bolt 51 passes through the clamping plate 50, and the two ends are respectively provided with tightening nut groups 52, which are used to fix the clamping plate 50 and adjust the The size of the installation space formed by the U-bolt 51 and the clamping plate 50 .

The connection between the clamping plate 50 and the third connecting rod 7 is connected by bolts, so that the angle of the clamping plate 50 can also be adjusted.

In some preferred embodiments, in order to simplify the structure of the fixing base 1 and adjust the position of the travel disc 2 on the fixing base 1, the reason is: when there is only one travel disc 2, after testing the brake pedal, On the basis of not moving the fixed base 1 , it is sufficient to move the travel plate 2 .

To this end, the fixed base 1 includes: a rectangular beam frame and a moving plate 13

The rectangular beam frame is formed by connecting the first connecting beam 14 and the second connecting beam 15. The middle of the rectangular beam frame is provided with a connecting beam 10; Connecting bolts 12 are arranged in the groove 11 ; one side of the moving plate 13 is connected to the connecting beam 10 through the connecting bolts 12 , and the other side is connected to the travel plate 2 . When the travel plate 2 needs to be moved, the connecting bolt 12 can be adjusted.

In order to realize that the brake pedal and the accelerator pedal can be tested at the same time in one test, the number of travel discs 2 is two; the push rod 3 is set corresponding to the travel disc 2, and the pedal clamp 5 on one push rod 3 is used It is connected with the accelerator pedal, and the pedal clamp 5 on the other push rod 3 is used to connect with the brake pedal. Both travel discs 2 can move on the connecting beam 10, so that the distance between the two is in accordance with the actual situation.

The implementation process of the test test is as follows:

1. Install the fixed seat 1 on the seat on the driver's side of the test vehicle. The front crossbar of the fixed seat 1 is fixed on the rigid part of the lower end of the seat by two high elastic straps with hooks, and the rear end is fixed on the lower end of the seat by straps. on the seat back.

2. Loosen the connecting bolt 12, slide the travel plate 2 laterally on the connecting beam 10, and adjust it to a position matching the accelerator pedal of the test vehicle.

3. Loosen the fastening bolts on the collar connector 33 and adjust the angle of the push rod 3 until the pedal clamp 5 can be connected to the accelerator pedal of the test vehicle.

4. By adjusting the third link 7, the distance between the horizontal section 30 and the pedal clamp 5 is matched with the space at the front of the seat.

5. Clamp the accelerator pedal connecting rod of the test vehicle between the clamping plate 50 and the U-bolt 51, adjust the clamping plate 50 and the third connecting rod 7 to an appropriate angle, and tighten the tightening nut group;

6. Press the straight rod 611, the ratchet teeth 60 and the pawls 62 are separated, move the connecting rod 4 to make the accelerator pedal stroke zero, mark the scale at this time, continue to move the connecting rod 4 to make the accelerator pedal full stroke, and then mark this When the scale is 1, convert the accelerator pedal stroke percentage corresponding to each scale of the ratchet teeth 60, and adjust the accelerator pedal to the corresponding stroke percentage according to the test requirements;

7. Use the same method to operate and set another brake pedal, so that the brake pedal of the test vehicle can generate the required travel for the test.

8. Set other parameters of the vehicle, keep the vehicle in a static state for the test, use the device to read and read the EDR data of the vehicle, and compare it with the brake pedal and accelerator pedal stroke positions set before the test to determine whether it meets the GB39732-2020 standard. requirements.

In the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the application and simplifying the description, Rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation on the application. Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply Any such actual relationship or sequence exists between these entities or operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above descriptions are only specific embodiments of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, this application 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 claimed herein.

Claims (10)

1. a simulation device for EDR driving operation data test, is characterized in that, it comprises: a fixed seat (1), on which a travel disc (2) is arranged; a connecting rod (4), which is rotatably connected to the center of the travel disc (2); a push rod (3), one end of which is connected with the connecting rod (4), and the other end is connected with a pedal clamp (5); An adjustment assembly (6), which is used for locking the connecting rod (4) on the travel disc (2), or unlocking it from the travel disc (2). 2. the simulation device of EDR driving operation data test as claimed in claim 1 is characterized in that: The connecting rod (4) includes a first connecting rod (40), a second connecting rod (41) and a connecting shaft (42); one end of the first connecting rod (40) is rotatably connected to the connecting rod (42) through the connecting shaft (42). On the circle center of the travel disc (2), the other end is fixedly connected with the second connecting rod (41), and the second connecting rod (41) is connected with the push rod (3). 3. The simulation device of EDR driving operation data test as claimed in claim 2, is characterized in that, adjustment component (6) comprises: a plurality of evenly spaced ratchet teeth (60) arranged on the travel plate (2); One end of the moving rod (61) penetrates the second connecting rod (41), and the end is provided with a pawl (62) engaged with the ratchet teeth (60). 4. the simulation device of EDR driving operation data test as claimed in claim 3 is characterized in that: The moving rod member (61) includes a handle base (610), a straight rod (611) and an elastic member (612), wherein the handle base (610) is installed on the second link (41) away from the stroke plate (612). 2) on one end, the handle seat (610) is provided with an installation channel; One end of the straight rod (611) is provided with an installation channel, and the pawl (62) is installed at this end; an elastic member (612) is sleeved on the other end, and is connected to the handle base (610) through the elastic member (612) . 5. the simulation device of EDR driving operation data test as claimed in claim 1 is characterized in that: The push rod (3) includes a bending section (31), and two ends of the bending section (31) are connected with a horizontal section (30) and an inclined section (32); wherein the horizontal section (30) is clamped with the pedal The piece (5) is connected; the inclined section (32) is connected with the connecting rod (4). 6. the simulation device of EDR driving operation data test as claimed in claim 5, is characterized in that: The inclined section (32) is provided with a collar connecting piece (33), and the collar connecting piece (33) is provided with a fastening bolt; the connecting rod (4) is provided with a screw adapted to the fastening bolt. hole. 7. the simulation device of EDR driving operation data test as claimed in claim 5 is characterized in that: A third connecting rod (7) is arranged between the horizontal section (30) and the pedal clamping member (5), and the third connecting rod (7) is a telescopic rod; or A third connecting rod (7) is arranged between the horizontal section (30) and the pedal holding member (5), and one end of the third connecting rod (7) is connected to the pedal holding member (5) The other end is movably penetrated in the horizontal section (30), and is provided with a first positioning hole; the horizontal section (30) is provided with a plurality of second positioning holes (8), and a first positioning hole The positioning holes and the positioning pins (9) of the second positioning holes (8). 8. The simulation device for EDR driving operation data test as claimed in claim 1, wherein the pedal clamp (5) comprises: a clamping plate (50), which is connected with the push rod (3); The U-bolt (51) passes through the clamping plate (50), and is provided with fastening nut groups (52) on both ends respectively, and the fastening nut groups (52) are used to fix the clamping plate (50). ), and adjust the size of the installation space enclosed by the U-bolt (51) and the clamping plate (50). 9. The simulation device for EDR driving operation data test as claimed in claim 1, wherein the fixed seat (1) comprises: A rectangular beam frame is provided with a connecting beam (10); the connecting beam (10) is provided with a T-shaped chute (11) arranged along its length direction; the T-shaped chute (11) is provided with connecting bolts (12) ; The moving plate (13) is connected with the connecting beam (10) on one side by connecting bolts (12), and is connected with the travel plate (2) on the other side. 10. The simulation device of EDR driving operation data test as claimed in claim 1, is characterized in that: The number of the travel discs (2) is two; the push rods (3) are arranged corresponding to the travel discs (2), and a pedal clamping piece (5) on one push rod (3) is used for connecting with the accelerator pedal The pedal clamp (5) on the other push rod (3) is used to connect with the brake pedal.

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