CN105444977A - Automotive battery simulation collision test system and method - Google Patents
Automotive battery simulation collision test system and method Download PDFInfo
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- CN105444977A CN105444977A CN201510994390.3A CN201510994390A CN105444977A CN 105444977 A CN105444977 A CN 105444977A CN 201510994390 A CN201510994390 A CN 201510994390A CN 105444977 A CN105444977 A CN 105444977A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
- G01N25/54—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility by determining explosibility
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Abstract
The invention relates to an automotive battery simulation collision test system and method. The automotive battery simulation collision test system includes an explosion-proof box, a collision rod, an accelerator and an extrusion plate. The body of the explosion-proof box is made of a transparent and anti-collision material; the explosion-proof box is provided with an opening; the collision rod extends into the explosion-proof box through the opening; a collision plate is fixed to the tail end of the collision rod; the collision plate is located in the explosion-proof box; the accelerator drives the collision rod to move; the extrusion plate is located on the bottom plate of the explosion-proof box and is arranged at the advancing path of the collision plate; and a tested battery is arranged between the extrusion plate and the collision plate. With the automotive battery simulation collision test system and method of the environment adopted, the authenticity of automotive battery simulation collision parameters can be improved, and pollution to the environment caused by electrolyte leakage can be reduced.
Description
Technical field
The present invention relates to vehicle crash test technical field, particularly relate to a kind of Vehicular battery simulated crash test macro and method.
Background technology
Energy shortage, oil crisis and environmental pollution grow in intensity, and bring tremendous influence to the life of people, are directly connected to the sustainable development of national economy and society.Countries in the world are all at active development new energy technology.Electric automobile, as a kind of new-energy automobile reducing consumption of petroleum, low stain, low noise, is considered to the important channel solving energy crisis and environment deterioration.Hybrid vehicle takes into account the advantage of pure electric automobile and traditional combustion engine automobile simultaneously, under the prerequisite meeting vehicle dynamic quality requirement and continual mileage requirement, effectively improve fuel economy, reduce discharge, being considered to one of current energy-conservation active path with reducing discharging.
For the power source of electric automobile, energy density is high, power is large, self discharge is little because it has for current lithium ion battery, cycle performance is superior, charge efficiency is high and to environment comparatively advantage such as " close friend ", more and more become the main flow of Vehicular dynamic battery, the Main way of Ye Shige great Battery Plant development.
Lithium ion battery, as electrokinetic cell, is generally used by series and parallel connections in groups.In the middle of reality uses, because car speed is very fast, inevitably crash.If battery is collided, the danger such as on fire, blast may be there is.Therefore the characteristic variations of electrolytic cell in collision process, and important.
In immediate prior art, as Chinese patent literature CN201510119741.6 discloses a kind of Vehicular dynamic battery high velocity impact experiment test device.This device, mainly for monocell, uses the mode that hoodle launches, simulated crash.In other prior art, disclosed in Chinese patent literature CN201320849327.7 and Chinese patent literature CN200720171298.8, use the mode test battery collision fallen, or the method for other static test.
But; actual automobile collision procedure; that collision adds extruding two processes; but above-mentioned prior art only simulates collision process; therefore the scheme of prior art can not react real collision status; and the electrolytic solution that the scheme of above-mentioned prior art does not also occur for battery collision rift is revealed and is implemented corresponding safeguard measure, causes electrolytic solution to the pollution of environment.
Summary of the invention
The object of this invention is to provide a kind of Vehicular battery simulated crash test macro and method, to improve the authenticity of Vehicular battery simulated crash parameter, reduction electrolyte leakage causes the pollution to environment.
Technical scheme provided by the invention comprises:
A kind of Vehicular battery simulated crash test macro, this system comprises:
Explosion-proof tank, the casing of described explosion-proof tank adopts transparent, anticorrosive;
Drop bar, described explosion-proof tank has opening, and described drop bar stretches into described explosion-proof tank by this opening, and the end of described drop bar is fixed with crash panel, and described crash panel is positioned at described explosion-proof tank;
Accelerator, described in described Accelerator driven, drop bar moves;
Stripper plate, described stripper plate is positioned on the base plate of described explosion-proof tank, and is arranged in the course of described crash panel, and tested battery is placed between described stripper plate and described crash panel.
In a kind of preferred embodiment of described system,
The connected mode of the base plate of described stripper plate and described explosion-proof tank comprises with any one under type:
The base plate of described stripper plate and described explosion-proof tank is for being completely fixed;
The base plate of described stripper plate and described explosion-proof tank is for having angle rotatable ground partial fixing;
The base plate of described stripper plate and described explosion-proof tank is movable ground partial fixing;
The base plate of described stripper plate and described explosion-proof tank is not for fix completely.
In a kind of preferred embodiment of described system, this system comprises further:
Charge-discharge test instrument, described charge-discharge test instrument is connected with described tested battery, for driving the charging and discharging state of described tested battery, and tests the special parameter of described tested battery.
In a kind of preferred embodiment of described system,
The special parameter of the described tested battery of described charge-discharge test instrument test comprises at least one in following parameter:
Tested battery before the collision or the voltage of collision rift, electric current, temperature.
In a kind of preferred embodiment of described system,
Described explosion-proof tank has chamber door, has O-ring seal outside described chamber door, salable gap firmly between chamber door and casing after barring up chamber door;
Described explosion-proof tank is except described opening and described chamber door, and all the other chest portion are divided into hermetically-sealed construction.
In a kind of preferred embodiment of described system,
Described accelerator is air pressure accelerator, specifically comprises air cavity, blowdown valve and safety lock;
Described air cavity has air intake opening, by the external world to device of air by this air intake opening to described gas interacvity air-filling;
Described safety lock is used for described drop bar to be locked in initial position, when the air pressure in described air cavity reaches the air pressure of setting, discharges described safety lock;
Described blowdown valve is used for after collision completes, and discharges the pressure in described air cavity.
A kind of Vehicular battery simulated crash method of testing, be applicable to described Vehicular battery simulated crash test macro, the method comprises:
Determine the connected mode of the base plate of stripper plate and explosion-proof tank;
Described tested battery is positioned between described stripper plate and described crash panel, and is positioned in the course of described crash panel;
Drive the charging and discharging state of tested battery;
The target velocity of described accelerator is set;
Acceleration of starting device, drives drop bar to accelerate to described target velocity, hits tested battery;
Test described tested battery before colliding and the special parameter of collision rift.
In a kind of preferred embodiment of described method, the described connected mode determining the base plate of stripper plate and explosion-proof tank, specifically comprises with any one under type:
The base plate of described stripper plate and described explosion-proof tank is completely fixed;
The base plate of described stripper plate and described explosion-proof tank had angle rotatable ground partial fixing;
By the base plate movable ground partial fixing of described stripper plate and described explosion-proof tank;
The base plate of described stripper plate and described explosion-proof tank is not fixed completely.
In a kind of preferred embodiment of described method, the described tested battery of described test before colliding and the special parameter of collision rift, specifically comprises: test described tested battery before the collision or the voltage of collision rift, electric current, temperature.
In a kind of preferred embodiment of described method, the speed of test drop bar, and/or test the pressure that described crash panel bears when colliding.
Compared with the scheme of prior art, the mode that present invention employs Accelerator driven drop bar implements collision, and the end of described drop bar is fixed with crash panel, crash panel is positioned at explosion-proof tank inside, and there is stripper plate be positioned on the base plate of described explosion-proof tank, and described stripper plate is arranged in the course of described crash panel, tested battery is placed between described stripper plate and described crash panel.When simulated crash, drop bar described in described Accelerator driven and the described tested battery of crash panel collision, due to the interaction of crash panel and stripper plate, the collision process of described tested battery comprises collision and extruding two processes, react the collision process of actual automobile truly, thus improve the authenticity of Vehicular battery simulated crash parameter.Simultaneously, because whole collision implementation process occurs in explosion-proof tank inside, and explosion-proof tank adopts transparent, anticorrosive, tester therefore both can have been made to observe the state of collision, the pollution caused surrounding environment revealed by the electrolytic solution preventing again battery collision rift from occurring.
Accompanying drawing explanation
The following drawings only schematically illustrates the present invention and explains, not delimit the scope of the invention.
Fig. 1 is a kind of structure composition schematic diagram of Vehicular battery simulated crash test macro of the present invention;
Fig. 2 a is the schematic diagram that the base plate of stripper plate of the present invention and described explosion-proof tank has the partial fixing of angle rotatable;
Fig. 2 b is the schematic diagram of the movable partial fixing of the base plate of stripper plate of the present invention and described explosion-proof tank;
Fig. 3 is the composition schematic diagram of a kind of air pressure accelerator of the present invention and drop bar;
Fig. 4 is the partial schematic diagram of crash panel of the present invention, tested battery and stripper plate.
Label declaration:
1----accelerator;
2----drop bar;
The tested battery of 3----;
4----stripper plate;
5----explosion-proof tank;
6----charge-discharge test instrument;
11----air intake opening;
12----fixed support device;
13----air cavity;
14----blowdown valve;
15----safety lock;
21----crash panel;
22----clashes into lever arm;
23----piston;
31----binding post;
50----opening;
51----chamber door.
Embodiment
In order to the technical characteristic to invention, object and effect have understanding clearly, now contrast accompanying drawing and the specific embodiment of the present invention is described, label identical in the various figures represents identical part.
In this article, " schematically " expression " serves as example, example or explanation ", not should by being described to any diagram of " schematically " in this article, embodiment is interpreted as a kind of preferred or have more the technical scheme of advantage.
For making simplified form, in each figure, only schematically show part related to the present invention, and do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of identical structure or function in some figure, only schematically depict one of them, or only marked one of them.
In this article, " one " does not represent that by the restricted number of relevant portion of the present invention be " only this ", and " one " does not represent the situation of the quantity " more than one " getting rid of relevant portion of the present invention.
In this article, " on ", D score, "front", "rear", "left", "right" etc. only for representing the relative position relation between relevant portion, and the absolute position of these relevant portions non-limiting.
Fig. 1 is a kind of structure composition schematic diagram of Vehicular battery simulated crash test macro of the present invention.See Fig. 1, this Vehicular battery simulated crash test macro comprises:
Explosion-proof tank 5, the casing of described explosion-proof tank 5 adopts transparent, anticorrosive;
Drop bar 2, described explosion-proof tank 5 has opening 50, and described drop bar 2 stretches into described explosion-proof tank 5 by this opening 50, and the end of described drop bar 2 is fixed with crash panel 21, and described crash panel 21 is positioned at described explosion-proof tank 5;
Accelerator 1, described accelerator 1 drives described drop bar 2 to move;
Stripper plate 4, described stripper plate 4 is positioned on the base plate of described explosion-proof tank 5, and is arranged in the course of described crash panel 21, and tested battery 3 is placed between described stripper plate 4 and described crash panel 21.
The casing of described explosion-proof tank 5, also having can the chamber door 51 of switch, for placing in explosion-proof tank or taking out tested battery, has O-ring seal, can seal up the gap between chamber door 51 and casing after barring up chamber door 51 outside this chamber door 51.Except described opening 50 and described chamber door 51, all the other chest portion of described explosion-proof tank are divided into hermetically-sealed construction.
This explosion-proof tank that have employed hermetically-sealed construction, can prevent further due to collision cause battery electrolyte to outflow time, to the pollution of surrounding environment.
In the particular embodiment, described explosion-proof tank 5 can use anticorrosion, transparent, sealing material, can be organic glass, tempered glass, acrylic, transparent polyvinyl chloride (PVC, PolyVinylChloride), the material such as tygon (PE), polycarbonate (PC, Polycarbonate).In a kind of preferred embodiment, can preferably organic glass as the material of the casing of explosion-proof tank 5.
In explosion-proof tank 5, can place tested battery 3, described tested battery 3 can be single battery, also can be electric battery.Distance between described tested battery 3 and stripper plate 4, angle, relative position can regulate arbitrarily according to test request.
Described stripper plate 4 can select high strength material, as metal materials such as manganese steel, titanium materials, or the nonmetallic materials such as pottery, lime stone.Described stripper plate 4 preferably titanium material in an advantageous embodiment.
Described stripper plate 4 comprises with any one under type with the connected mode (decision strength of joint) of the base plate of described explosion-proof tank 5:
The base plate of A, described stripper plate 4 and described explosion-proof tank 5 is for being completely fixed, and namely described stripper plate 4 can not move completely, can simulate the effect of rigid collision like this.
The base plate of B, described stripper plate 4 and described explosion-proof tank 5 for having angle rotatable ground partial fixing, as shown in Figure 2 a; , can be hinged on the base plate of explosion-proof tank 5 by one end of described stripper plate 4, other parts and base plate keep larger friction force, like this when colliding, can simulate the effect of rotary squeezing.
C, described stripper plate 4 are movable ground partial fixing with the base plate of described explosion-proof tank 5, as shown in Figure 2 b, can described stripper plate 4 be arranged on the translation track of explosion-proof tank 5 base plate, and keep larger friction force between stripper plate 4 and base plate, like this when colliding, the effect of parallel extrusion can be simulated.
The base plate of D, described stripper plate 4 and described explosion-proof tank 5 is not for fix completely, and namely described stripper plate 4 can move freely, and can simulate the effect of freely colliding like this.
By the different strength of joint of above-mentioned stripper plate 4 from the base plate of described explosion-proof tank 5, different actual conditions can be simulated, thus make the scene of simulated crash abundanter.
In further embodiment of the present invention, this Vehicular battery simulated crash test macro comprises further:
Charge-discharge test instrument 6, described charge-discharge test instrument 6 is connected with described tested battery 3, for driving the charging and discharging state of described tested battery 3, and tests the special parameter of described tested battery 3.
Concrete, the charging and discharging state of described tested battery 3 specifically comprises: the depth of discharge (DOD, DepthofDischarge) of charged state, discharge condition, holding state, battery.Described DOD is a kind of discharge parameter, and battery its DOD when being full of is 0, and its DOD of complete discharge off is 1, so the DOD of battery is the numerical value between 0 and 1 below positive reason frame.
Described charge-discharge test instrument 6 can be connected with the binding post 31 of described tested battery 3, operations such as charging to drive described tested battery 3 to carry out, discharge, be standby.
The special parameter that described tested battery 3 tested by described charge-discharge test instrument 6 comprises at least one in following parameter:
Tested battery 3 before the collision or the parameter such as the voltage of collision rift, electric current, temperature.
Described charge-discharge test instrument 6 specifically can obtain voltage and current by the binding post 31 of tested battery 3; Described charge-discharge test instrument 6 specifically can by being connected with the coherent signal pin of tested battery 3, to receive the parameter signals such as the temperature of described tested battery.
In the particular embodiment, described accelerator 1 can use hydraulic pressure, air pressure, electric power, fuel for power source.In a kind of preferred embodiment, air pressure can be selected as power source, namely described accelerator 1 is air pressure accelerator.
Fig. 3 is the composition schematic diagram of a kind of air pressure accelerator of the present invention and drop bar; Fig. 4 is the partial schematic diagram of crash panel of the present invention, tested battery and stripper plate; See Fig. 3 and Fig. 4:
Described air pressure accelerator 1 specifically comprises: fixed support device 12, air cavity 13, blowdown valve 14 and safety lock 15.
Described fixed support device 12, plays the effect of fixing accelerator 1, ensures that accelerator 1 and explosion-proof tank 5 are in same level position simultaneously.
Described air cavity 13 has air intake opening 11, by this air intake opening 11, can be inflated, until the air pressure in air cavity 13 arrives the pressure of setting by the device of air of giving in the external world in described air cavity 13.The pressure of described setting becomes positively related relation with final driving to the speed of described drop bar 2.The present invention can pre-establish the mapping table of a set pressure and drop bar 2 speed, as shown in table 1 below, if wish what kind of speed described drop bar 2 reaches, then corresponding giving in air cavity is charged into corresponding set pressure.
| The set pressure of air cavity | The speed that air cavity drives drop bar to reach |
| P1 | V1 |
| P2 | V2 |
| P3 | V3 |
Table 1
Described safety lock 15, for described drop bar 2 is locked in initial position, when the air pressure that the air pressure in described air cavity 13 reaches setting is as P1, then discharges described safety lock 15; The piston 23 of described drop bar 2 is subject to the pressure bias in air cavity 13, makes drop bar 2 start to accelerate to speed V1, and then the crash panel 21 of drop bar 2 collides with tested battery 3.
Described blowdown valve 14, for after collision completes, discharges described blowdown valve 14, makes air cavity 13 pressure reduce to normal pressure, and drop bar 2 playbacks and arrives initial position, locks described safety lock 15, again described drop bar 2 is locked in initial position.
As shown in Figure 3, in a kind of specific embodiment, described drop bar 2 has crash panel 21, clashes into lever arm 22, piston 23.In order to make crash panel 21 steady displacement in explosion-proof tank, reduce resistance, can also arrange wheel 24 in crash panel 21 bottom further, described wheel 24 rolls on the base plate of described explosion-proof tank 5, thus makes the displacement process of crash panel 2 steady, fast.The present invention can also installation rate sensor on described shock lever arm 22 further, can record continuously from release safety lock 15 to the velocity variations the process of colliding.Described crash panel 21 can also have pressure transducer, and the Impact direction of described pressure transducer is parallel with the direct of travel of described crash panel or in specified angle.The output signal of described speed pickup and pressure transducer, can output to external testing receiving equipment by signal wire, this signal wire can adopt conventional design, so do not mark in figure 3.The described crash panel 21 that pressure transducer is housed, according to test request, can replace arbitrary size.When colliding, pressure transducer can record the pressure change of clashing into moment.
Be connected to the described charge-discharge test instrument 6 of test battery 3, the state (as standby, charging, electric discharge) of the tested battery of adjustable 3, DOD etc.In whole crash tests process, described charge-discharge test instrument 6 can record tested battery 3 before the collision after voltage, electric current, the isoparametric situation of change of temperature.
Corresponding with above-mentioned Vehicular battery simulated crash test macro, the invention also discloses a kind of Vehicular battery simulated crash method of testing, be applicable to the Vehicular battery simulated crash test macro described in above-mentioned any one embodiment, the method comprises:
Determine the connected mode of the base plate of stripper plate and explosion-proof tank;
Described tested battery is positioned between described stripper plate and described crash panel, and is positioned in the course of described crash panel;
Drive the charging and discharging state of tested battery;
The target velocity of described accelerator is set;
Acceleration of starting device, drives drop bar to accelerate to described target velocity, hits tested battery;
Test described tested battery before colliding and the special parameter of collision rift.
In an advantageous embodiment, the described connected mode determining the base plate of stripper plate and explosion-proof tank, specifically comprises with any one under type:
The base plate of described stripper plate and described explosion-proof tank is completely fixed;
The base plate of described stripper plate and described explosion-proof tank had angle rotatable ground partial fixing;
By the base plate movable ground partial fixing of described stripper plate and described explosion-proof tank;
The base plate of described stripper plate and described explosion-proof tank is not fixed completely.
In an advantageous embodiment, the described tested battery of described test before colliding and the special parameter of collision rift, specifically comprises: test described tested battery before the collision or the parameter such as the voltage of collision rift, electric current, temperature.
In addition, the method can further include: the speed of test drop bar, and tests the pressure that described crash panel bears when colliding.
By system and method for the present invention, described accelerator 1 is the speed that drop bar 2 accelerates to a certain setting, then strikes tested battery 3, and encounter after stripper plate 4 until tested battery and stop moving, tested battery 3 is extruded.Carry out in sealing, anticorrosive, transparent explosion-proof tank 5 in test process.Distance geometry angle between described tested battery 3 and stripper plate 4 is adjustable arbitrarily, and the constant intensity of stripper plate 4 also can regulate.
The present invention can help producer's electrolytic cell to collide in process, the characteristic of battery, instructs producer how to protect because colliding the safety problem caused.
Such as, for concrete numerical value and test scene, described Vehicular battery simulated crash method of testing is described further below.
Citing 1:
30V electric battery selected by tested battery 3, and state is standby.Impact velocity V1 is defined as 10km/h, the placement parallel with stripper plate 4 of tested battery 3, distance 20cm.Stripper plate 4 is completely fixed with the base plate of explosion-proof tank 5.
Citing 2:
30V electric battery selected by tested battery 3, and state is electric discharge.Impact velocity V1 is defined as 30km/h, and tested battery 3 is fitted with stripper plate 4 and placed.Stripper plate 4 is completely fixed with the base plate of explosion-proof tank 5.
The present invention at least has following advantages:
1) the present invention can simulate various operating modes when Vehicular battery collides effectively, as impact pressure, and impact velocity etc.
2) the present invention can set the current duty of tested battery, as charged state, and discharge condition etc.The voltage clashing into front and back can be there is, the change of the important parameters such as current temperature by Measurement accuracy battery.
3) explosion-proof tank of the present invention, use sealing, transparent, anticorrosive.There is safety and observability.Process when conveniently colliding from outside battery is observed, and takes pictures or records a video.Material antiseptic loses, and effectively can prevent safety during electrolyte leakage.For the test sample having flammability issues, can fill blanket gas, as nitrogen, helium etc., improve the security of experiment further.For relevant responsible official provides necessary security protection condition in test process, and omnidistancely can observe condition of providing convenience for test like this.Avoid the uncontrollability that may occur safety problem in crash tests process.And pass through strength of joint and the angle of adjustment stripper plate and explosion-proof tank base plate, reflect the collision status of tested battery reality more really.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; and and be not used to limit the scope of the invention; allly do not depart from the skill of the present invention equivalent embodiments done of spirit or change; as the combination of feature, segmentation or repetition, all should be included within protection scope of the present invention.
Claims (10)
1. a Vehicular battery simulated crash test macro, is characterized in that, this system comprises:
Explosion-proof tank, the casing of described explosion-proof tank adopts transparent, anticorrosive;
Drop bar, described explosion-proof tank has opening, and described drop bar stretches into described explosion-proof tank by this opening, and the end of described drop bar is fixed with crash panel, and described crash panel is positioned at described explosion-proof tank;
Accelerator, described in described Accelerator driven, drop bar moves;
Stripper plate, described stripper plate is positioned on the base plate of described explosion-proof tank, and is arranged in the course of described crash panel, and tested battery is placed between described stripper plate and described crash panel.
2. system according to claim 1, is characterized in that,
The connected mode of the base plate of described stripper plate and described explosion-proof tank comprises with any one under type:
The base plate of described stripper plate and described explosion-proof tank is for being completely fixed;
The base plate of described stripper plate and described explosion-proof tank is for having angle rotatable ground partial fixing;
The base plate of described stripper plate and described explosion-proof tank is movable ground partial fixing;
The base plate of described stripper plate and described explosion-proof tank is not for fix completely.
3. system according to claim 1, is characterized in that, this system comprises further:
Charge-discharge test instrument, described charge-discharge test instrument is connected with described tested battery, for driving the charging and discharging state of described tested battery, and tests the special parameter of described tested battery.
4. system according to claim 3, is characterized in that,
The special parameter of the described tested battery of described charge-discharge test instrument test comprises at least one in following parameter:
Tested battery before the collision or the voltage of collision rift, electric current, temperature.
5. system according to claim 1, is characterized in that,
Described explosion-proof tank has chamber door, has O-ring seal outside described chamber door, salable gap firmly between chamber door and casing after barring up chamber door;
Described explosion-proof tank is except described opening and described chamber door, and all the other chest portion are divided into hermetically-sealed construction.
6. system according to claim 1, is characterized in that, described accelerator is air pressure accelerator, specifically comprises air cavity, blowdown valve and safety lock;
Described air cavity has air intake opening, by the external world to device of air by this air intake opening to described gas interacvity air-filling;
Described safety lock is used for described drop bar to be locked in initial position, when the air pressure in described air cavity reaches the air pressure of setting, discharges described safety lock;
Described blowdown valve is used for after collision completes, and discharges the pressure in described air cavity.
7. a Vehicular battery simulated crash method of testing, is characterized in that, be applicable to system according to claim 1, the method comprises:
Determine the connected mode of the base plate of stripper plate and explosion-proof tank;
Described tested battery is positioned between described stripper plate and described crash panel, and is positioned in the course of described crash panel;
Drive the charging and discharging state of tested battery;
The target velocity of described accelerator is set;
Acceleration of starting device, drives drop bar to accelerate to described target velocity, hits tested battery;
Test described tested battery before colliding and the special parameter of collision rift.
8. method according to claim 7, is characterized in that, the described connected mode determining the base plate of stripper plate and explosion-proof tank, specifically comprises with any one under type:
The base plate of described stripper plate and described explosion-proof tank is completely fixed;
The base plate of described stripper plate and described explosion-proof tank had angle rotatable ground partial fixing;
By the base plate movable ground partial fixing of described stripper plate and described explosion-proof tank;
The base plate of described stripper plate and described explosion-proof tank is not fixed completely.
9. method according to claim 7, is characterized in that, the described tested battery of described test before colliding and the special parameter of collision rift, specifically comprises: test described tested battery before the collision or the voltage of collision rift, electric current, temperature.
10. method according to claim 7, is characterized in that, the method comprises further:
The speed of test drop bar, and/or test the pressure that described crash panel bears when colliding.
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| CN106950023A (en) * | 2017-03-17 | 2017-07-14 | 中国船舶重工集团公司第七�三研究所 | A kind of F t curve simulation devices |
| CN107687928A (en) * | 2016-08-04 | 2018-02-13 | 蔚来汽车有限公司 | The dynamic measurement method of high-voltage wiring harness collision impact parameter |
| CN108362961A (en) * | 2018-01-31 | 2018-08-03 | 蔚来汽车有限公司 | Method and system for measuring parameter of automobile high voltage device when by hitting |
| CN109141798A (en) * | 2018-08-10 | 2019-01-04 | 苏州阿达施车辆科技有限公司 | A kind of pessimistic securit detection system and its working method for new energy battery car battery detecting |
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| CN112985734A (en) * | 2021-03-02 | 2021-06-18 | 清华大学 | Side column impact test device and test method |
| CN113176064B (en) * | 2021-04-28 | 2021-11-09 | 吉林化工学院 | Temperature control-based safety comprehensive test system and method for vehicle power battery box |
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| CN113504008A (en) * | 2021-07-13 | 2021-10-15 | 江铃汽车股份有限公司 | Detection method, detection test paper and reagent for automobile collision fuel leakage |
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Denomination of invention: Automotive battery simulation collision test system and method Effective date of registration: 20190513 Granted publication date: 20181116 Pledgee: Suzhou Trust Co., Ltd. Pledgor: BEIJING CHANGCHENG HUAGUAN AUTOMOBILE TECHNOLOGY CO., LTD. Registration number: 2019990000418 |