CN106323577A - Impact testing device for battery pack - Google Patents

Impact testing device for battery pack Download PDF

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Publication number
CN106323577A
CN106323577A CN201610614951.7A CN201610614951A CN106323577A CN 106323577 A CN106323577 A CN 106323577A CN 201610614951 A CN201610614951 A CN 201610614951A CN 106323577 A CN106323577 A CN 106323577A
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CN
China
Prior art keywords
battery bag
impact
impact testing
slide
hydraulic power
Prior art date
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CN201610614951.7A
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Chinese (zh)
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CN106323577B (en
Inventor
史方圆
石向南
陈贤青
禹慧丽
崔泰松
赵会
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重庆长安汽车股份有限公司
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Priority to CN201610614951.7A priority Critical patent/CN106323577B/en
Publication of CN106323577A publication Critical patent/CN106323577A/en
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Publication of CN106323577B publication Critical patent/CN106323577B/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/08Shock-testing

Abstract

The present invention relates to an impact testing device for a battery pack. The device comprises a collision barrier used for placing the battery pack, a movable sliding table with an impact head, a hydraulic power device used for pushing the movable sliding table to slide, and a monitoring device in communication connection with a sensor inside the battery pack. The movable sliding table is positioned between the hydraulic power device and the collision barrier. The impact head of the movable sliding table is oriented towards a support assembly for placing the battery pack and positioned on the side surface of the collision barrier. The monitoring device controls the starting and the stopping of the hydraulic power device. The device further comprises a solution tank positioned right below the support assembly and used for the fire extinguishing of the battery pack. The monitoring device also controls the support assembly to release the battery pack so as to enable the battery pack to fall into the solution tank. According to the technical scheme of the invention, the fire extinguishing problem of the battery pack during the impact test in the prior art can be solved.

Description

A kind of battery bag apparatus for impact testing

Technical field

The present invention relates to batteries of electric automobile collision safety performance field tests, specifically a kind of battery bag shock-testing dress Put.

Background technology

Along with the growth of electric automobile sales volume, electric automobile causes the thing of short-circuit fire owing to battery is mechanically damaged Therefore happen occasionally.For promoting the security performance of batteries of electric automobile, promoting electric automobile industry healthy development, a lot of units are launched Battery impact safety test research, and declared multinomial patent.

Battery impact device and method of testing thereof as disclosed in CN 102692308A, this device includes jump bit, leads Bar, test bar and for place test battery test platform, described guide rod is arranged on described test platform, described jump bit Be located on described guide rod and can moving axially along guide rod, also include that support, described test platform are provided with the spacing hole run through, Described support one end is fixed together with described test bar, and the other end of described support penetrates in described spacing hole, described impact Hammer moves along described guide rod, and described test bar can be clashed in the lower end of described jump bit.Above-mentioned battery impact bar device and survey Method for testing, by being fixed together with test bar by support, and is limited in support in the spacing hole of test platform so that battery During bump test, test bar will not move, and convenient test and test result are relatively accurate, and test bar will not move, and is not required to adjust Whole, improve testing efficiency.

Additionally, similar also has device for testing lithium ion battery safety performance, CN disclosed in CN 202210022U Battery impact resistance test device, CN disclosed in a kind of battery apparatus for impact testing, CN 203572628U disclosed in 103575495A Fall from high altitude test device etc. of a kind of battery bag disclosed in 203616092U is conducted oneself with dignity to fall by battery or weight and is produced battery Impact;The impact test equipment of a kind of electric automobile lithium battery disclosed in CN105181288A, it is dragged by traction apparatus and moves Dynamic dolly produces impact to battery.

The shortcoming of above-mentioned patent documentation is as follows: the first, only provide energy, under limited space conditions, impact energy by gravity Measure limited, it is impossible to allow battery bag reach required deformation extent;The second, when needs obtain greater impact speed, traction apparatus needs Space that will be bigger;3rd, without extinguishing device, after battery short circuit is on fire, easily personnel or equipment are caused security risk;The Four, without emission-control equipment, after battery destroys, the toxic gas of a large amount of harmful to human and environment it is easily generated.

Summary of the invention

It is an object of the invention to provide a kind of battery bag apparatus for impact testing, it can solve the problem that in prior art, impact is surveyed The problem of battery bag fire extinguishing during examination.

Technical scheme is as follows:

A kind of battery bag apparatus for impact testing, including for placing battery bag collision obstacle, there is the movement of impact head Slide unit, the hydraulic power unit promoting Mobile Slide slip and the monitoring dress communicated to connect with the sensor within battery bag Putting, described Mobile Slide is between hydraulic power unit and collision obstacle, and the impact head of Mobile Slide is towards collision obstacle side A support component of placing battery bag on face, described supervising device controls described hydraulic power unit start and stop;It also includes being positioned at institute Stating the solution pool for the fire extinguishing of battery bag immediately below a support component, supervising device also controls described support component release battery bag and falls Enter in described solution pool.

Further, described collision obstacle includes a fixing rigid wall, and described support component includes a latch and two Pour plate, at grade and end part aligning, the end that two pour plates are adjacent is each provided with rolling to described two pour plates Wheel, the other end of two pour plates is respectively rotationally connected with an axle, and described axle is vertically fixed on the side of described rigid wall, and two Respectively being fixed with a bracing frame on pour plate, support frame as described above is used for supporting battery bag;Described roller supporting is at described locking On block, during described supervising device controls latch whereabouts, two pour plates rotate under the battery bag made on bracing frame Drop down onto in described solution pool.

Further, having a cavity in described rigid wall, this cavity offers longitudinal passing through on the sidewall of latch Wear the bar v notch v of rigid wall bottom surface;Described latch includes orthogonal insert plate, reinforcing plate and support flat board, this embedding Plate is positioned in cavity, and this support flat board is positioned at for supporting roller below described roller, and this reinforcing plate is interspersed in bar v notch v And coordinate with bar shaped clearance gaps, fixing with insert plate of reinforcing plate, the another side of reinforcing plate is fixed with supporting flat board.

Further, described rigid wall is put and is provided with buffer on the side of battery bag.

Further, described solution pool uses concrete to make, and concrete layer inwall is coated with insulating coating.

Further, described solution pool is rectangle cell body, and its inside dimension is 4000mm × 4000mm × 3000mm, described absolutely The thickness of edge coating is 10mm.

Further, it is provided with pair of guide rails between described hydraulic power unit and collision obstacle and wall, two guide rail peaces are installed The medial surface that dress wall is relative is each provided with a guide rail;Described Mobile Slide includes the slide block between two guide rails assembling walls, The both sides of this slide block offer the chute with guide rail, described impact head be fixed on slide block towards collision obstacle end face on.

Further, described hydraulic power unit promotes described Mobile Slide to slide along described guide rail by a piston rod.

Further, on the end face of described slide block, array distribution has installing hole, and described Mobile Slide is by installing hole Bolt fixed weight block carrys out the weight of adjusting slider.

Further, also including emission-control equipment, this emission-control equipment includes suction machine, pipeline and adsorption reaction Room, described suction machine is connected by pipeline with adsorption reaction room, and described suction machine is positioned at directly over battery bag and towards battery bag.

The test device of the present invention can be simulated battery bag during electric motor car collides and may impact be destroyed, It promotes Mobile Slide to slide by hydraulic power unit, makes the impact head of Mobile Slide impact battery bag, described prison Control device can be by being arranged in the sensor observation battery bag-like state within battery bag, and monitoring battery wraps in collision process constantly In voltage and variations in temperature with carry out fire extinguishing prepare, for Car design provide accurate data.Described collision obstacle was collided Battery bag in journey provides and supports, and, when, after battery bag short-circuit fire, supervising device can control a support component release battery Bag, allows the battery bag of short-circuit fire fall into solution pool smoothly, it is achieved effective fire extinguishing processes.Go out relative to hand-held or fountain Fire device, the present invention uses solution pool to put out a fire, and battery bag sinks in solution pool, can effectively completely cut off air, and cooling is more abundant, Solution can react with battery bag leak materials simultaneously, it is ensured that the security reliability of fire extinguishing.This device uses hydraulic power unit Impact energy is provided, enables whole device to be arranged in less closed room, and produce sufficiently large Impact energy, effectively Avoid the test impact on environment.

The present invention is by the design to a support component, and during a support component release battery bag, supervising device controls Latch falls, and bracing frame and pour plate can turn downward around axle under gravity, and between pour plate and latch Interference between the two is reduced as far as possible, it is ensured that battery bag falls in solution pool smoothly, it is to avoid testing equipment by rolling structure With contacting of battery bag on fire, it is ensured that the safety of testing equipment.

The buffer of the present invention is prevented from slide block and contracts for fixed output quotas battery raw transition deformation or directly impinge on rigid wall.

Wrapping in, in order to put out battery, the condition of a fire that in collision process, short circuit produces, the inside dimension of described solution pool is sized to hold Receiving the battery bag of conventional shock-testing, fill with solution during use in pond, pool wall is laid insulating coating and is prevented the high electricity of battery bag Press and peripheral personnel are damaged.When the battery bag of short-circuit fire falls in solution pool, solution can be lowered the temperature to battery bag, and React with the harmful substance leaked out.

The present invention is by the medial surface of guide rails assembling to guide rails assembling wall, in the impact process of impact head, it is ensured that slide block is not Guide rail can be jumped out, it is to avoid slide block is toppled over, it is ensured that test safe and effective because of being impacted.

The impact head of the present invention can clash into battery bag according to setting speed under the promotion of piston rod, and accurate simulation is electronic In car collision accident, battery bag impact is destroyed, and meets the collision energy demand of different battery bag.

Can produce enough deformation to meet the battery bag of different structure intensity, described Mobile Slide passes through installing hole Increase and decrease balancing weight, allows Mobile Slide quality change in the range of 100kg-200kg, to adjust Impact energy, can change simultaneously Battery bag is caused different types of damage by the shape of impact head.

Emission-control equipment absorbs harmful gas, and gas transport is processed to adsorption reaction room, prevents battery bag Environment is impacted by the part harmful gas leaked out before and after falling into solution pool.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the Mobile Slide of the present invention;

Fig. 3 is structure sectional view on A-A direction shown in Fig. 2;

Fig. 4 is the structural representation of emission-control equipment in the present invention;

Fig. 5 is the structural representation colliding obstacle in the present invention;

Fig. 6 is confined explosion's view of Fig. 5;

Fig. 7 is the partial sectional view of Fig. 6;

Fig. 8 is that the present invention collides the left view of latch in obstacle;

Fig. 9 is the structural representation of solution pool of the present invention.

Detailed description of the invention

The invention will be further described with embodiment below in conjunction with the accompanying drawings.

A kind of battery bag apparatus for impact testing, as it is shown in figure 1, it includes the collision obstacle 4 for placing battery bag, has The Mobile Slide 2 of impact head 14, promote hydraulic power unit 1 that Mobile Slide 2 slides and with the sensor within battery bag 7 The supervising device 5 of communication connection.Described Mobile Slide 2 is between hydraulic power unit 1 and collision obstacle 4, and hydraulic power fills Putting 1 and can use existing acceleration sled test equipment, the impact head 14 of Mobile Slide 2 places electricity on collision obstacle 4 side A support component of pond bag 7, described supervising device 5 controls the start and stop of described hydraulic power unit 1.This test device also includes being positioned at institute Stating the solution pool 6 for the fire extinguishing of battery bag immediately below a support component, supervising device 5 also controls described support component release battery bag 7 fall in described solution pool 6.

As it is shown in figure 5, described collision obstacle 4 includes a fixing rigid wall 47, described support component includes a latch 42 and two pour plates 41,48, described two pour plates 41,48 are at grade and end part aligning, two pour plates 41,48 Adjacent end is each provided with 3 rollers 43, and the other end of two pour plates 41,48 is respectively rotationally connected with an axle 44, and these are two years old Individual axle is arranged symmetrically with along the straight path of impact head 14.One end of described axle 44 is vertically fixed on the side of described rigid wall 47 On.Two pour plates 41,48 rotate freely around axle 44 direction shown in arrow along Fig. 5.Respectively it is welded with on two pour plates 41,48 One bracing frame 46, described two bracing frames 46 are used for supporting battery bag 7, and battery bag 7 is then placed on bracing frame 46.Described roller 43 are supported on described latch 42, during described supervising device 5 controls latch 42 whereabouts, two pour plates 41, 48 rotations make the battery bag 7 on bracing frame 46 fall in described solution pool 6.

As shown in Figure 6, having a cavity 472 in described rigid wall 47, this cavity 472 is opened on the sidewall of latch 42 It is provided with the bar v notch v 471 longitudinally through rigid wall 47 bottom surface.As shown in Figure 7,8, latch 42 is by insert plate 421, reinforcing plate 422 form with supporting flat board 423.This insert plate 421 is positioned in cavity 472, and this support flat board 423 is positioned at below described roller 43 For supporting roller 43, this reinforcing plate 422 be interspersed in bar v notch v 471 and with bar v notch v 471 matched in clearance, reinforcing plate 422 while fixing with insert plate 421, the another side of reinforcing plate 422 is fixed with supporting flat board 423.Insert plate 421 is inserted into just Property wall 47 cavity 472 in, support the horizontal clearance a formed between flat board 423 and insert plate 421, reinforcing plate 422 can be allowed to insert Enter in the breach 471 of rigid wall 47.One end of two pour plate 41,48 band rollers 43 is shelved on the support flat board of latch 42 On 423.

Described rigid wall 47 is put and is provided with two buffers 45 on the side of battery bag 7, and two buffers 45 are also along punching The straight path tapped the head is symmetrical, and anti-limited slip block 13 produces transition deformation or directly impinges rigid wall 47 battery bag 7 On.

As it is shown in figure 9, described solution pool 6 uses concrete to make, concrete layer 61 inwall is coated with insulating coating 62.Molten Liquid 63 fills with whole cell body, it is ensured that can flood battery bag 7 completely.Described solution pool 6 uses rectangle cell body, and its inside dimension is 4000mm × 4000mm × 3000mm, the thickness of described insulating coating 62 is 10mm.

It is provided with pair of guide rails between described hydraulic power unit 1 and collision obstacle 4 and wall 11, as shown in Figure 2,3, two are installed Guide rails assembling wall 11 is symmetrical to be fixed on ground, and the two ends of axle 44 are fixed on rigid wall 47 and guide rails assembling wall 11.Two The medial surface that guide rails assembling wall 11 is relative is each provided with a guide rail 12, and guide rail 12 is symmetrical is bolted to guide rails assembling In wall 11 inside side walls.Described Mobile Slide 2 includes the slide block 13 between two guide rails assembling walls 11, the both sides of this slide block 13 Offer the chute mated with guide rail 12, described impact head 14 be fixed on slide block 13 towards collision obstacle 4 end face on.Slide block 13 rushes Counter-force suffered when hitting battery bag 7 can be shared on guide rail 12 uniformly.On slide block 13 end face, array distribution has installing hole 131, bolt fixed weight block can be used according to actual needs to change the weight of slide block 13.The front end of slide block 13 uses bolt peace Dress impact head 14, can need to change difform impact head according to difference.

Described hydraulic power unit 1 promotes described Mobile Slide 2 to slide along described guide rail 12 by a piston rod 15, in order to Making Mobile Slide 2 produce enough speed, described hydraulic power unit 1 can be sliding by movement by piston rod 15 in 100ms Platform 2 speed is pushed to 100km/h by 0km/h..

This test device also includes emission-control equipment 3, and this emission-control equipment 3 includes suction machine 31, pipeline 32 and inhales Reaction enclosure room 33, as shown in Figure 4, described suction machine 31 is connected by pipeline 32 with adsorption reaction room 33, described suction machine 31 Directly over battery bag 7 and towards battery bag 7.When battery bag 7 leaks harmful gas in collision process, and suction machine 31 starts, By pipeline 32, harmful gas is transported to adsorption reaction room 33 process.

Claims (10)

1. a battery bag apparatus for impact testing, including for placing battery bag collision obstacle (4), there is impact head (14) Hydraulic power unit (1) and the sensor internal with battery bag (7) that Mobile Slide (2), promotion Mobile Slide (2) are slided lead to The supervising device (5) that letter connects, described Mobile Slide (2) is positioned between hydraulic power unit (1) and collision obstacle (4), mobile The impact head (14) of slide unit (2) is towards a support component of placing battery bag (7), described supervising device on collision obstacle (4) side (5) described hydraulic power unit (1) start and stop are controlled, it is characterised in that: also include being positioned at immediately below described support component for electricity The solution pool (6) of Chi Bao fire extinguishing, supervising device (5) also controls described support component release battery bag (7) and falls into described solution pool (6) in.
A kind of battery bag apparatus for impact testing the most according to claim 1, it is characterised in that: described collision obstacle (4) is wrapped Including a fixing rigid wall (47), described support component includes a latch (42) and two pour plates (41,48), and described two incline Being down flat plate (41,48) at grade and end part aligning, two pour plates (41,48) adjacent end is each provided with roller (43), the other end of two pour plates (41,48) is respectively rotationally connected with an axle (44), and described axle (44) is vertically fixed on described On the side of rigid wall (47), two pour plates (41,48) being respectively fixed with a bracing frame (46), support frame as described above (46) is used In supporting battery bag (7);Described roller (43) is supported on described latch (42), controls locking at described supervising device (5) During block (42) falls, two pour plates (41,48) rotate and make the battery bag (7) on bracing frame (46) fall to described molten In liquid pool (6).
A kind of battery bag apparatus for impact testing the most according to claim 2, it is characterised in that: tool in described rigid wall (47) Having a cavity (472), this cavity (472) offers longitudinally through rigid wall (47) bottom surface on the sidewall of latch (42) Bar v notch v (471);Described latch (42) includes orthogonal insert plate (421), reinforcing plate (422) and supports flat board (423), this insert plate (421) is positioned in cavity (472), and this support flat board (423) is positioned at described roller (43) lower section for propping up Support roller (43), this reinforcing plate (422) be interspersed in bar v notch v (471) and with bar v notch v (471) matched in clearance, reinforcing plate (422) while with insert plate (421) fix, the another side of reinforcing plate (422) with support flat board (423) fix.
4. according to a kind of battery bag apparatus for impact testing described in Claims 2 or 3, it is characterised in that: described rigid wall (47) Put, on the side of battery bag (7), buffer (45) is installed.
A kind of battery bag apparatus for impact testing the most according to claim 4, it is characterised in that: described solution pool (6) uses Concrete is made, and concrete layer (61) inwall is coated with insulating coating (62).
A kind of battery bag apparatus for impact testing the most according to claim 5, it is characterised in that: described solution pool (6) is square Shape cell body, its inside dimension is 4000mm × 4000mm × 3000mm, and the thickness of described insulating coating (62) is 10mm.
7. according to claim 1-3, a kind of battery bag apparatus for impact testing according to any one of 5,6, it is characterised in that: described Being provided with pair of guide rails between hydraulic power unit (1) and collision obstacle (4) and install wall (11), two guide rails assembling walls (11) are relative Medial surface be each provided with a guide rail (12);Described Mobile Slide (2) includes the cunning being positioned between two guide rails assembling walls (11) Block (13), the both sides of this slide block (13) offer the chute mated with guide rail (12), and described impact head (14) is fixed on slide block (13) towards collision obstacle (4) end face on.
A kind of battery bag apparatus for impact testing the most according to claim 7, it is characterised in that: described hydraulic power unit (1) described Mobile Slide (2) is promoted to slide along described guide rail (12) by a piston rod (15).
A kind of battery bag apparatus for impact testing the most according to claim 8, it is characterised in that: the end face of described slide block (13) Upper array distribution has installing hole (131), and described Mobile Slide (2) is adjusted by bolt fixed weight block in installing hole (131) The weight of joint slide block (13).
10., according to claim 1-3, a kind of battery bag apparatus for impact testing according to any one of 5,6,8,9, its feature exists In: also include that emission-control equipment (3), this emission-control equipment (3) include suction machine (31), pipeline (32) and adsorption reaction room (33), described suction machine (31) is connected by pipeline (32) with adsorption reaction room (33), and described suction machine (31) is positioned at battery bag (7) directly over and towards battery bag (7).
CN201610614951.7A 2016-07-29 2016-07-29 A kind of battery pack apparatus for impact testing CN106323577B (en)

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CN106323577B CN106323577B (en) 2018-11-20

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080070144A (en) * 2007-01-25 2008-07-30 주식회사 엘지화학 Drop test device of battery
KR20090028662A (en) * 2007-09-15 2009-03-19 주식회사 엘지화학 Impact test device and impact test method of battery cell
CN202631714U (en) * 2012-06-01 2012-12-26 上海化工研究院 Safety operation table for battery safety performance testing
CN203550992U (en) * 2013-10-24 2014-04-16 广州市东力电池实业有限公司 A comprehensive test table for lithium ion battery testing
CN204116571U (en) * 2014-11-14 2015-01-21 东莞市高鑫检测设备有限公司 Battery safety integrated test system
CN204154565U (en) * 2014-11-13 2015-02-11 东莞市高鑫检测设备有限公司 power battery extrusion testing machine
CN104655388A (en) * 2015-03-18 2015-05-27 吉林大学 High-speed collision experiment testing device for vehicle power battery
CN204373875U (en) * 2015-01-19 2015-06-03 东莞市坤纳电子科技有限公司 Improved horizontal battery crush tester
CN105004502A (en) * 2015-08-18 2015-10-28 重庆理工大学 Airbag linear impact test platform and test method
CN105203964A (en) * 2015-09-11 2015-12-30 重庆长安汽车股份有限公司 Impact test device for battery cell

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080070144A (en) * 2007-01-25 2008-07-30 주식회사 엘지화학 Drop test device of battery
KR20090028662A (en) * 2007-09-15 2009-03-19 주식회사 엘지화학 Impact test device and impact test method of battery cell
CN202631714U (en) * 2012-06-01 2012-12-26 上海化工研究院 Safety operation table for battery safety performance testing
CN203550992U (en) * 2013-10-24 2014-04-16 广州市东力电池实业有限公司 A comprehensive test table for lithium ion battery testing
CN204154565U (en) * 2014-11-13 2015-02-11 东莞市高鑫检测设备有限公司 power battery extrusion testing machine
CN204116571U (en) * 2014-11-14 2015-01-21 东莞市高鑫检测设备有限公司 Battery safety integrated test system
CN204373875U (en) * 2015-01-19 2015-06-03 东莞市坤纳电子科技有限公司 Improved horizontal battery crush tester
CN104655388A (en) * 2015-03-18 2015-05-27 吉林大学 High-speed collision experiment testing device for vehicle power battery
CN105004502A (en) * 2015-08-18 2015-10-28 重庆理工大学 Airbag linear impact test platform and test method
CN105203964A (en) * 2015-09-11 2015-12-30 重庆长安汽车股份有限公司 Impact test device for battery cell

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