CN209326996U - A kind of vehicle event digital data recording system EDR acceleration simulation device - Google Patents
A kind of vehicle event digital data recording system EDR acceleration simulation device Download PDFInfo
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- CN209326996U CN209326996U CN201822202679.9U CN201822202679U CN209326996U CN 209326996 U CN209326996 U CN 209326996U CN 201822202679 U CN201822202679 U CN 201822202679U CN 209326996 U CN209326996 U CN 209326996U
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- digital data
- edr
- data recording
- recording system
- simulation device
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- 230000001133 acceleration Effects 0.000 title claims abstract description 65
- 238000004088 simulation Methods 0.000 title claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 210000004712 air sac Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of vehicle event digital data recording system EDR acceleration simulation device, including protective cover；Bilateral symmetry is equipped with front support frame and rear end support frame in protective cover; fixed magnetic axis between front support frame and rear end support frame; magnetic axis is equipped with linear motor, fixed workbench on linear motor, and workbench is equipped with EDR controller and external acceleration transducer to be tested；Protective cover lower end connects control cabinet, and control cabinet is equipped with industrial personal computer and driver.A kind of vehicle event digital data recording system EDR acceleration simulation device of the utility model using motor-driven form, and is equipped with protective device, to meet the requirement that use cost is low, security performance is high and the aimed acceleration error of generation is low.
Description
Technical field
The utility model belongs to acceleration simulation field, adds more particularly, to a kind of vehicle event digital data recording system EDR
Velocity simulation device.
Background technique
With application of the vehicle event digital data recording system EDR on vehicle, product function detection is carried out to EDR controller
Also it becomes more and more important.EDR controller needs to detect its function before entrucking, detects when automobile collides
Can EDR controller monitor situations such as main operating status of vehicle, driver's mode of operation in a period of time occur for accident, because
This this just need to emulate the acceleration in automobile collision procedure.This detection also can be applied to other electronic control unit
In test, such as safety air sac controller (SRS) etc..
Due to EDR controller built-in acceleration sensor, acceleration transducer can be carried out by two ways
Excitation: real vehicle and simulator.Cost is not only substantially increased using full scale vehicle collision test, but also risk is high, greatly
The development cycle of EDR controller is extended, therefore most forms for using simulator at present.Existing test device is generally adopted
Constituted with Hydrauservo System or cylinder system, the disadvantage is that it is at high cost, security performance is low, the aimed acceleration error that generates
Greatly.
Summary of the invention
In view of this, the utility model is directed to a kind of vehicle event digital data recording system EDR acceleration simulation device,
Since the devices such as servoBcylinder, hydraulic pump, servo electromagnetic valve are all more expensive, it is unsatisfactory for requirement at low cost；If acceleration
The power source of simulator is driven using cylinder system, since security level of the laboratory to equipment requires relatively high, Er Qieqi
Bigger noise can be generated during cylinder working, therefore is unsatisfactory for the high requirement of security performance；Hydrauservo System and cylinder
The aimed acceleration peak accelerator error that system generates is about 10%-15%, therefore it is low to be also unsatisfactory for aimed acceleration error
Requirement.In conclusion a kind of vehicle event digital data recording system EDR acceleration simulation device that the utility model is proposed is adopted
With motor-driven form, and it is equipped with protective device, is accelerated with meeting the target that use cost is low, security performance is high and generates
Spend the low requirement of error.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of vehicle event digital data recording system EDR acceleration simulation device, including protective cover；Bilateral symmetry in protective cover
Equipped with front support frame and rear end support frame, fixed magnetic axis between front support frame and rear end support frame, magnetic axis is equipped with straight line
Motor, fixed workbench on linear motor, workbench are equipped with EDR controller and external acceleration transducer to be tested；It protects
Shield lower end connects control cabinet, and control cabinet is equipped with industrial personal computer and driver；External acceleration transducer is connect with industrial personal computer, work
Control machine is connect with driver, and driver is connect with linear motor；Front support frame is equipped with the front end being oppositely arranged with workbench
Return spring, rear end support frame are equipped with the rear end return spring being oppositely arranged with workbench.
It is first that EDR controller to be tested is fixed on the table in the practical application of the utility model, pass through work
Control machine control driver finally realizes linear motor on magnetic axis with the movement of setup parameter acceleration simulation；External acceleration sensing
Device acquires real time acceleration data, uploads to industrial personal computer；Front end return spring and rear end return spring are realized to linear motor journey
It is protected when sequence exception.
Linear motor belongs to power effort module, realizes setting for acceleration, acceleration time and maximum speed by driver
Fixed, working environment is 40 DEG C to 40 DEG C of temperature ﹣, and relative humidity is not more than 90%.
Front end return spring, rear end return spring and protective cover belong to protective effect module, and protective cover is realized to operation
The protective effect of personnel.
The model BOSCH SMA68X of external acceleration transducer, maximum detection amount acceleration 120g, resolution ratio are reachable
12, have the function of anti-hit, is surveyed with reducing the acceleration due to caused by power-off of short duration between sensor and power supply after collision
Measure error.
Further, workbench is arranged right below sliding rail microscope carrier pedestal, and sliding rail microscope carrier pedestal is equipped with arranged in parallel
Left side sliding rail and right side sliding rail, workbench lower surface, which is equipped with, cooperates the two of guiding sliding with left side sliding rail and right side sliding rail
A groove, two grooves set up separately at left and right sides of linear motor.
Left side sliding rail and right side sliding rail and corresponding groove, form guiding rail mechanism, provide guiding for movable workbench
Effect.
Further, linear motor includes: shell and coil winding；Shell is equipped with air inlet and air outlet；Coil around
Resistance is arranged between air inlet and air outlet.
Circulated air enters from air inlet, is discharged from air outlet, is periodically entered into and be discharged by circulated air, can taken away
The heat generated in coil operational process, to reduce the temperature of coil.
Further, sliding rail microscope carrier pedestal upper surface and shell relative position are equipped with groove, shell and sliding rail microscope carrier pedestal
Between be equipped with 10cm gap.
Further, protective cover is equipped with protective cover door.
Protective cover uses aluminium alloy extrusions steel plate, and protective cover door is acrylic board material.
Further, control cabinet is equipped with indicator of the power supply status, motor operation indicator light and electrical fault indicator light；Electricity
Source status indicator lamp, motor operation indicator light and electrical fault indicator light are connect with industrial personal computer respectively.
Further, EDR controller is connect by screw with workbench.
Further, control cabinet bottom is equipped with universal wheel.
Further, magnetic axis includes: seamless steel pipe and permanent magnet, and permanent magnet is arranged inside seamless steel pipe.
Further, front support frame and rear end support frame pass through screw and connect with seamless steel pipe.
Compared with the existing technology, a kind of vehicle event digital data recording system EDR acceleration simulation device of the utility model, tool
There is following advantage:
A kind of vehicle event digital data recording system EDR acceleration simulation device of the utility model, has the following beneficial effects:
1. using acceleration simulation device, experimentation cost is reduced, difficulty of test is reduced, shortens the development cycle；2. power source is adopted
With motor-driven form, generated aimed acceleration range is ± 10g, and precision is ± 1%FS；3. may be implemented to acceleration
The real-time monitoring of degree and calibration early period；4. acceleration simulation device peripheral hardware protective device, meets the safety under laboratory environment
Level requirements.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is that a kind of vehicle event digital data recording system EDR acceleration simulation apparatus structure of the utility model embodiment shows
It is intended to；
Fig. 2 is a kind of vehicle event digital data recording system EDR acceleration simulation device straight-line electric of the utility model embodiment
Machine schematic diagram；
Fig. 3 is that a kind of vehicle event digital data recording system EDR acceleration simulation device sliding rail of the utility model embodiment carries
Sewing platform base schematic diagram；
When Fig. 4 is a kind of vehicle event digital data recording system EDR acceleration simulation device speed of the utility model embodiment
Half interval contour schematic diagram.
Description of symbols:
1- front support frame；The rear end 2- support frame；3- linear motor；30- shell；31- air inlet；32- air outlet；4-
EDR controller；5- workbench；Sliding rail on the left of 51-；Sliding rail on the right side of 52-；53- sliding rail microscope carrier pedestal；The external acceleration sensing of 6-
Device；7- magnetic axis；The front end 8- return spring；The rear end 9- return spring；10- protective cover；11- protective cover door；12- control cabinet；13- is anti-
Loose nut；14- indicator of the power supply status；15- motor operation indicator light；16- electrical fault indicator light；17- universal wheel；18- work
Control machine；19- driver.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1-3, a kind of vehicle event digital data recording system EDR acceleration simulation device, including protective cover 10；It protects
Bilateral symmetry is equipped with front support frame 1 and rear end support frame 2 in shield 10, fixed between front support frame 1 and rear end support frame 2
Magnetic axis 7, magnetic axis 7 are equipped with linear motor 3, fixed workbench 5 on linear motor 3, and workbench 5 is equipped with EDR to be tested and controls
Device 4 and external acceleration transducer 6 processed；10 lower end of protective cover connects control cabinet 12, and control cabinet 12 is equipped with industrial personal computer 18 and drives
Dynamic device 19；External acceleration transducer 6 is connect with industrial personal computer 18, and industrial personal computer 18 is connect with driver 19, driver 19 and straight line
Motor 3 connects；Front support frame 1 is equipped with the front end return spring 8 being oppositely arranged with workbench 5, and rear end support frame 2 is equipped with
The rear end return spring 9 being oppositely arranged with workbench 5.
As shown in Figure 1-3, workbench 5 is arranged right below sliding rail microscope carrier pedestal 53, sliding rail microscope carrier pedestal 53 is equipped with mutual
Left side sliding rail 51 and right side sliding rail 52 disposed in parallel, 5 lower surface of workbench are equipped with and 52 phase of left side sliding rail 51 and right side sliding rail
Mutually two grooves of cooperation guiding sliding, two grooves set up separately in 3 left and right sides of linear motor.
As shown in Figure 1-3, linear motor 3 includes: shell 30 and coil winding；Shell 30 is equipped with air inlet 31 and outlet air
Mouth 32；Coil winding is arranged between air inlet 31 and air outlet 32.
As shown in Figure 1-3,53 upper surface of sliding rail microscope carrier pedestal and 30 relative position of shell are equipped with groove, shell 30 and sliding rail
The gap of 10cm is equipped between microscope carrier pedestal 53.
As shown in Figure 1-3, protective cover 10 is equipped with protective cover door 11.
As shown in Figure 1-3, control cabinet 12 is equipped with indicator of the power supply status 14, motor operation indicator light 15 and electrical fault
Indicator light 16；Indicator of the power supply status 14, motor operation indicator light 15 and electrical fault indicator light 16 respectively with industrial personal computer 18
Connection.
As shown in Figure 1-3, EDR controller 4 is connect by screw with workbench 5.
As shown in Figure 1-3,12 bottom of control cabinet is equipped with universal wheel 17.
As shown in Figure 1-3, magnetic axis 7 includes: seamless steel pipe and permanent magnet, permanent magnet is arranged inside seamless steel pipe.
As shown in Figure 1-3, front support frame 1 and rear end support frame 2 are connect by screw with seamless steel pipe.
The model of industrial personal computer 18 grinds magnificent 610L, 19 model Panasonic MADHT5310L01 of driver.
As shown in figure 4, the model BOSCH SMA68X of external acceleration transducer 6, and external acceleration transducer 6 is flat
Row is placed in the direction of magnetic axis 7.Within the time of 150ms, when the changing value of speed reaches 8km/h, EDR controller 4 is triggered
Data record.Wherein the data of collision front and back include: speed, accelerator pedal state, engine air throttle aperture, engine turn
Speed, brake switch state, master cylinder pressure, longitudinal acceleration, gear state etc..In time in 150ms, the changing value of speed
When reaching 25km/h, the data before the moment in 5s and after collision in 200ms will be locked and be stored, straight-line electric by EDR controller 4
The peak acceleration that machine 3 may be implemented is 10g.
In the present embodiment:
Thrust computing formula:
FL=μ (ML+MP)g
Wherein μ is coefficient of friction, MLFor load quality, MPFor mover quality, g is acceleration of gravity 9.8m/s2；FefIt is flat
Equal effective push, Famax、Frmax、FdmaxIt is respectively maximum to accelerate thrust, at the uniform velocity thrust, maximum deceleration thrust, ta、tr、tdRespectively
Accelerate, at the uniform velocity and deceleration time to be corresponding.
It is displaced calculation formula:
St=∑ Si=Sa+Sr+Sd
Wherein StFor total displacement, SaFor boost phase displacement, SrFor constant velocity stage's displacement, SdFor decelerating phase displacement.
Acceleration time calculation formula:
Wherein VmFor maximum movement speed, K is safety coefficient, takes 1.3, FmFor peak value thrust.Being computed can obtain, and work as satisfaction
When trigger recording condition, speed 2.22m/s, acceleration time Ta1For 30ms；When meeting locking storage condition, speed is
6.94m/s, acceleration time Ta2For 95ms, time when reaching velocity variations threshold value according to laws and regulations requirement is denoted as Tam, it is worth and is
150ms can be calculated by above-mentioned: acceleration time Ta1<Ta2<Tam, therefore the acceleration time meets the requirements.
It is calculated according to the laws and regulations requirement maximum acceleration time, when meeting trigger data record condition, total displacement StFor
0.554m；When meeting locking storage condition, total displacement StFor 1.734m；When acceleration rate threshold is maximum value 10g, total displacement
StFor 3.675m, it is denoted as Stmax, can be calculated by above-mentioned: Stmax<SL, therefore the length of selected horizontal slide rail is met the requirements.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of vehicle event digital data recording system EDR acceleration simulation device, it is characterised in that: including protective cover (10)；Institute
It states bilateral symmetry in protective cover (10) and is equipped with front support frame (1) and rear end support frame (2), the front support frame (1) and institute
Fixed magnetic axis (7) between rear end support frame (2) is stated, the magnetic axis (7) is equipped with linear motor (3), on the linear motor (3)
Fixed workbench (5), the workbench (5) are equipped with EDR controller (4) and external acceleration transducer (6) to be tested；Institute
Protective cover (10) lower end connection control cabinet (12) is stated, the control cabinet (12) is equipped with industrial personal computer (18) and driver (19)；Institute
External acceleration transducer (6) to be stated to connect with the industrial personal computer (18), the industrial personal computer (18) connect with the driver (19),
The driver (19) connect with the linear motor (3)；The front support frame (1) is equipped with and the workbench (5) phase
To the front end return spring (8) of setting, the rear end support frame (2) is equipped with the rear end being oppositely arranged with the workbench (5)
Return spring (9).
2. a kind of vehicle event digital data recording system EDR acceleration simulation device according to claim 1, feature exist
In: the workbench (5) is arranged right below sliding rail microscope carrier pedestal (53), and the sliding rail microscope carrier pedestal (53) is equipped with and is parallel to each other
The left side sliding rail (51) and right side sliding rail (52) of setting, workbench (5) lower surface be equipped with the left side sliding rail (51) and
The right side sliding rail (52), which cooperates, is oriented to two grooves of sliding, and two grooves set up separately in the linear motor (3)
The left and right sides.
3. a kind of vehicle event digital data recording system EDR acceleration simulation device according to claim 2, feature exist
In: the linear motor (3) includes: shell (30) and coil winding；The shell (30) is equipped with air inlet (31) and outlet air
Mouth (32)；The coil winding is arranged between the air inlet (31) and the air outlet (32).
4. a kind of vehicle event digital data recording system EDR acceleration simulation device according to claim 3, feature exist
In: the sliding rail microscope carrier pedestal (53) upper surface and the shell (30) relative position are equipped with groove, the shell (30) and institute
State the gap that 10cm is equipped between sliding rail microscope carrier pedestal (53).
5. a kind of vehicle event digital data recording system EDR acceleration simulation device according to claim 1, feature exist
In: the protective cover (10) is equipped with protective cover door (11).
6. a kind of vehicle event digital data recording system EDR acceleration simulation device according to claim 1, feature exist
In: the control cabinet (12) is equipped with indicator of the power supply status (14), motor operation indicator light (15) and electrical fault indicator light
(16)；The indicator of the power supply status (14), the motor operation indicator light (15) and the electrical fault indicator light (16) are equal
It is connect respectively with the industrial personal computer (18).
7. a kind of vehicle event digital data recording system EDR acceleration simulation device according to claim 1, feature exist
In: the EDR controller (4) is connect by screw with the workbench (5).
8. a kind of vehicle event digital data recording system EDR acceleration simulation device according to claim 1, feature exist
In: control cabinet (12) bottom is equipped with universal wheel (17).
9. a kind of vehicle event digital data recording system EDR acceleration simulation device according to claim 1, feature exist
In: the magnetic axis (7) includes: seamless steel pipe and permanent magnet, and the permanent magnet is arranged inside the seamless steel pipe.
10. a kind of vehicle event digital data recording system EDR acceleration simulation device according to claim 9, feature exist
In: the front support frame (1) and the rear end support frame (2) are connect by screw with the seamless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822202679.9U CN209326996U (en) | 2018-12-26 | 2018-12-26 | A kind of vehicle event digital data recording system EDR acceleration simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822202679.9U CN209326996U (en) | 2018-12-26 | 2018-12-26 | A kind of vehicle event digital data recording system EDR acceleration simulation device |
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| Publication Number | Publication Date |
|---|---|
| CN209326996U true CN209326996U (en) | 2019-08-30 |
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ID=67728938
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|---|---|---|---|
| CN201822202679.9U Expired - Fee Related CN209326996U (en) | 2018-12-26 | 2018-12-26 | A kind of vehicle event digital data recording system EDR acceleration simulation device |
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| Country | Link |
|---|---|
| CN (1) | CN209326996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596364A (en) * | 2018-12-26 | 2019-04-09 | 中汽研（天津）汽车工程研究院有限公司 | A kind of vehicle event digital data recording system EDR acceleration simulation device |
| CN112857823A (en) * | 2021-01-05 | 2021-05-28 | 神龙汽车有限公司 | Drive device for triggering EDR simulation test of automobile event data recording system |
-
2018
- 2018-12-26 CN CN201822202679.9U patent/CN209326996U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596364A (en) * | 2018-12-26 | 2019-04-09 | 中汽研（天津）汽车工程研究院有限公司 | A kind of vehicle event digital data recording system EDR acceleration simulation device |
| CN112857823A (en) * | 2021-01-05 | 2021-05-28 | 神龙汽车有限公司 | Drive device for triggering EDR simulation test of automobile event data recording system |
| CN112857823B (en) * | 2021-01-05 | 2023-10-10 | 神龙汽车有限公司 | Driving device for triggering EDR simulation test of automobile event data recording system |
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Granted publication date: 20190830 |