CN106323577B - A kind of battery pack apparatus for impact testing - Google Patents

A kind of battery pack apparatus for impact testing Download PDF

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Publication number
CN106323577B
CN106323577B CN201610614951.7A CN201610614951A CN106323577B CN 106323577 B CN106323577 B CN 106323577B CN 201610614951 A CN201610614951 A CN 201610614951A CN 106323577 B CN106323577 B CN 106323577B
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CN
China
Prior art keywords
battery pack
impact
mobile slide
impact testing
hydraulic power
Prior art date
Application number
CN201610614951.7A
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Chinese (zh)
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CN106323577A (en
Inventor
史方圆
石向南
陈贤青
禹慧丽
崔泰松
赵会
Original Assignee
重庆长安新能源汽车科技有限公司
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Publication of CN106323577A publication Critical patent/CN106323577A/en
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Publication of CN106323577B publication Critical patent/CN106323577B/en

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    • 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 a kind of battery pack apparatus for impact testing, it includes the collision obstacle for placing battery packet, the Mobile Slide with impact head, the hydraulic power unit for pushing Mobile Slide sliding and the monitoring device with the sensor communication connection inside battery pack, the Mobile Slide is located between hydraulic power unit and collision obstacle, support component of the impact head of Mobile Slide towards placing battery packet on collision obstacle side, the monitoring device control hydraulic power unit start and stop;It further includes the solution pool immediately below the support component for battery pack fire extinguishing, and monitoring device also controls the support component release battery pack and falls into the solution pool.This programme solves the problems, such as that battery pack is put out a fire when shock-testing in the prior art.

Description

A kind of battery pack apparatus for impact testing

Technical field

The present invention relates to batteries of electric automobile collision safety performance testing field, specifically a kind of battery pack shock-testing dress It sets.

Background technique

Along with the growth of electric car sales volume, electric car leads to the thing of short-circuit fire since battery is mechanically damaged Therefore it happens occasionally.For the security performance for promoting batteries of electric automobile, electric car industry healthy development, many unit expansion are pushed Battery impact safety test research, and declared multinomial patent.

Battery impact device and its test method as disclosed in CN 102692308A, the device include jump bit, lead Bar, prod and the test platform for placing test battery, the guide rod are arranged on the test platform, the jump bit It being located on the guide rod and can further include bracket along the axial movement of guide rod, the test platform is equipped with perforative limit hole, Described bracket one end is fixed together with the prod, and the other end of the bracket penetrates in the limit hole, the impact Hammer is moved along the guide rod, and the lower end of the jump bit can hit the prod.Above-mentioned battery impact bar device and survey Method for testing by the way that bracket and prod are fixed together, and bracket is limited in the limit hole of test platform, so that battery Prod will not move when bump test, facilitate test and test result is more accurate, and prod will not move, and be not required to be adjusted It is whole, improve testing efficiency.

In addition, device for testing lithium ion battery safety performance, CN disclosed in similar also CN 202210022U Battery impact resistance test device, CN disclosed in a kind of battery apparatus for impact testing, CN 203572628U disclosed in 103575495A A kind of test device etc. that falls from high altitude of battery pack disclosed in 203616092U is fallen by battery or weight self weight and is generated to battery Impact;A kind of impact test equipment of electric automobile lithium battery disclosed in CN105181288A is dragged by traction device and is moved Dynamic trolley generates impact to battery.

The shortcomings that above patent document, is as follows:The first, energy, under limited space conditions, impact energy only are provided by gravity It measures limited, battery pack can not be allowed to reach required deformation extent;The second, when needing to obtain greater impact speed, traction device is needed Space that will be bigger;Third, without extinguishing device, security risk easily is caused to personnel or equipment after battery short circuit is on fire;The Four, without emission-control equipment, the toxic gas of a large amount of harmful to human and environment is also easy to produce after battery destruction.

Summary of the invention

The purpose of the present invention is to provide a kind of battery pack apparatus for impact testing, it is able to solve impact in the prior art and surveys The problem of battery pack is put out a fire when examination.

Technical scheme is as follows:

A kind of battery pack apparatus for impact testing, including for placing battery packet collision obstacle, with the movement of impact head Slide unit, the hydraulic power unit for pushing Mobile Slide sliding and the monitoring dress with the sensor communication connection inside battery pack It sets, the Mobile Slide is located between hydraulic power unit and collision obstacle, the impact head direction collision obstacle side of Mobile Slide The support component of placing battery packet on face, the monitoring device control the hydraulic power unit start and stop;It further includes being located at institute The solution pool immediately below support component for battery pack fire extinguishing is stated, monitoring device also controls the support component release battery pack and falls Enter in the solution pool.

Further, the collision obstacle includes a fixed rigid wall, and the support component includes a latch and two Pour plate, two pour plate is in the same plane and end part aligning, the adjacent end of two pour plates are each provided with rolling Wheel, the other end of two pour plates are respectively rotatablely connected with an axis, and the axis is vertically fixed on the side of the rigid wall, and two A support frame is respectively fixed on pour plate, support frame as described above is used to support battery pack;The roller supporting is in the locking On block, during monitoring device control latch falls, the rotation of two pour plates makes under the battery pack on support frame It drops down onto the solution pool.

Further, there is a cavity, the cavity is towards offering longitudinal pass through on the side wall of latch in the rigid wall Wear the v notch v of rigid wall bottom surface;The latch includes orthogonal insert plate, stiffening plate and support plate, the insertion Plate is located in cavity, which, which is located at below the idler wheel, is used to support idler wheel, which is interspersed in a v notch v And cooperate with bar shaped clearance gaps, one side and the insert plate of stiffening plate are fixed, and another side and the support plate of stiffening plate are fixed.

Further, buffer is installed on the side of the rigid wall storing battery pack.

Further, the solution pool is made of concrete, and concrete layer inner wall is coated with insulating coating.

Further, the solution pool is rectangle pond body, and inside dimension is 4000mm × 4000mm × 3000mm, described exhausted Edge coating with a thickness of 10mm.

Further, a pair of guide rails installation wall, two guide rails peace are provided between the hydraulic power unit and collision obstacle The opposite medial surface of dress wall is each provided with a guide rail;The Mobile Slide includes the sliding block between two guide rails installation wall, The two sides of the sliding block offer the sliding slot with guide rail, and the impact head is fixed on sliding block towards on the end face of collision obstacle.

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

Further, array distribution has mounting hole on the top surface of the sliding block, and the Mobile Slide passes through in mounting hole Bolt fixed weight block carrys out the weight of adjusting slider.

It further, further include emission-control equipment, which includes suction machine, pipeline and adsorption reaction Room, the suction machine are connect with adsorption reaction room by pipeline, and the suction machine is located at right above battery pack and towards battery pack.

Test device of the invention can simulate the impact failure that battery pack may be subject to during electric vehicle collides, It pushes Mobile Slide to slide by hydraulic power unit, impacts the impact head of Mobile Slide to battery pack, the prison Control device can observe battery pack state by being arranged in the sensor inside battery pack, constantly monitor battery pack in collision process In voltage and temperature change with carry out fire extinguishing prepare, provide accurate data for Car design.The collision obstacle was collided Battery pack in journey provides support, also, after battery pack short-circuit fire, and monitoring device can control support component release battery Packet, allows the battery pack of short-circuit fire smoothly to fall into solution pool, realizes effective fire extinguishing processing.It goes out relative to hand-held or fountain Fiery device, the present invention are put out a fire using solution pool, and battery pack is sunk in solution pool, can effectively completely cut off air, are cooled down more abundant, Solution can be reacted with battery pack leak materials simultaneously, ensure that the security reliability of fire extinguishing.The present apparatus uses hydraulic power unit Impact energy is provided, so that whole device is arranged in lesser closed room, and generate sufficiently large Impact energy, effectively Avoid the influence tested to environment.

The present invention passes through the design to support component, during support component discharges battery pack, monitoring device control Latch falls, and support frame and pour plate can be turned downward around axis under the effect of gravity, and between pour plate and latch It reduces interference between the two as far as possible by rolling structure, guarantees that battery pack is smoothly fallen into solution pool, avoid testing equipment With the contact of battery pack on fire, the safety of testing equipment ensure that.

Buffer of the invention can anti-limited slip block battery pack generated transition deformation or directly impinge on rigid wall.

In order to put out the battery pack fire behavior that short circuit generates in collision process, the inside dimension size of the solution pool can be held It receives the battery pack of conventional shock-testing, fills with solution in pond when use, pool wall lays insulating coating to prevent the height electricity of battery pack Pressure damages peripheral personnel.When the battery pack of short-circuit fire is fallen into solution pool, solution can cool down to battery pack, and It is reacted with the harmful substance leaked out.

Guide rail is installed to the medial surface of guide rail installation wall by the present invention, in the impact process of impact head, guarantees sliding block not Guide rail can be jumped out because of being impacted, sliding block is avoided to topple over, guarantee the safe and effective of test.

Impact head of the invention can hit battery pack according to setting speed under the promotion of piston rod, and accurate simulation is electronic In vehicle collision accident, the impact failure that battery pack is subject to meets the collision energy demand of different battery packs.

Enough deformations can be generated in order to meet the battery pack of different structure intensity, the Mobile Slide passes through mounting hole Increase and decrease clump weight, allows Mobile Slide quality to change within the scope of 100kg-200kg, to adjust Impact energy, while can change The shape of impact head causes different types of damage to battery pack.

Emission-control equipment absorbs pernicious gas, and gas transport to adsorption reaction room is handled, and prevents battery pack The part pernicious gas leaked out before and after falling into solution pool impacts environment.

Detailed description of the invention

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

Fig. 2 is the structural schematic diagram of Mobile Slide of the invention;

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

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

Fig. 5 is the structural schematic diagram that obstacle is collided in the present invention;

Fig. 6 is the local exploded-view of Fig. 5;

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

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

Fig. 9 is the structural schematic diagram of solution pool of the present invention.

Specific embodiment

The invention will be further described with reference to the accompanying drawings and examples.

A kind of battery pack apparatus for impact testing, as shown in Figure 1 comprising for placing battery packet collision obstacle 4, have The Mobile Slide 2 of impact head 14, the hydraulic power unit 1 for pushing Mobile Slide 2 to slide and with the sensor inside battery pack 7 The monitoring device 5 of communication connection.The Mobile Slide 2 is located between hydraulic power unit 1 and collision obstacle 4, hydraulic power dress Setting 1 can be used existing acceleration sled test equipment, and the impact head 14 of Mobile Slide 2 is electric towards placement on collision 4 side of obstacle The support component of pond packet 7, the monitoring device 5 control 1 start and stop of hydraulic power unit.This test device further includes being located at institute The solution pool 6 immediately below support component for battery pack fire extinguishing is stated, monitoring device 5 also controls the support component release battery pack 7 fall into the solution pool 6.

As shown in figure 5, the collision obstacle 4 includes a fixed rigid wall 47, the support component includes a latch 42 and two pour plates 41,48, two pour plate 41,48 in the same plane and end part aligning, two pour plates 41,48 Adjacent end is each provided with 3 idler wheels 43, and the other end of two pour plates 41,48 is respectively rotatablely connected with an axis 44, this two A axis is arranged symmetrically along the straight path of impact head 14.One end of the axis 44 is vertically fixed on the side of the rigid wall 47 On.Around axis 44, direction shown in arrow rotates freely two pour plates 41,48 along Fig. 5.It is respectively welded on two pour plates 41,48 One support frame 46, two support frame 46 are used to support battery pack 7, and battery pack 7 is then placed on support frame 46.The idler wheel 43 are supported on the latch 42, during the monitoring device 5 control latch 42 falls, two pour plates 41, 48 rotations fall to the battery pack 7 on support frame 46 in the solution pool 6.

As shown in fig. 6, have a cavity 472 in the rigid wall 47, the cavity 472 is towards opening on the side wall of latch 42 Equipped with longitudinal v notch v 471 for running through 47 bottom surface of rigid wall.As shown in Figure 7,8, latch 42 is by insert plate 421, stiffening plate 422 form with support plate 423.The insert plate 421 is located in cavity 472, which is located at 43 lower section of idler wheel Be used to support idler wheel 43, the stiffening plate 422 be interspersed in a v notch v 471 and with 471 clearance fit of v notch v, stiffening plate 422 one side is fixed with insert plate 421, and the another side of stiffening plate 422 and support plate 423 are fixed.Insert plate 421 is inserted into just Property wall 47 cavity 472 in, support the horizontal clearance a formed between plate 423 and insert plate 421, stiffening plate 422 can be allowed to insert Enter into the notch 471 of rigid wall 47.Two pour plates, 41,48 one end with idler wheel 43 is shelved on the support plate of latch 42 On 423.

The rigid wall 47 puts installation on the side of battery pack 7, and there are two buffers 45, and two buffers 45 are also along punching The straight path tapped the head is symmetrical, and anti-limited slip block 13 generates transition deformation to battery pack 7 or directly impinges rigid wall 47 On.

As shown in figure 9, the solution pool 6 is made of concrete, 61 inner wall of concrete layer is coated with insulating coating 62.It is molten Liquid 63 fills with entire pond body, guarantees to flood battery pack 7 completely.The solution pool 6 uses rectangle pond body, and inside dimension is 4000mm × 4000mm × 3000mm, the insulating coating 62 with a thickness of 10mm.

A pair of guide rails installation wall 11, as shown in Figure 2,3, two are provided between the hydraulic power unit 1 and collision obstacle 4 Guide rail installation 11 bilateral symmetry of wall is fixed on ground, and the both ends of axis 44 are fixed on rigid wall 47 and guide rail installation wall 11.Two The opposite medial surface of guide rail installation wall 11 is each provided with a guide rail 12, and 12 bilateral symmetry of guide rail is bolted to guide rail installation In 11 inside side walls of wall.The Mobile Slide 2 includes the sliding block 13 between two guide rails installation wall 11, the two sides of the sliding block 13 Offer with the matched sliding slot of guide rail 12, the impact head 14 be fixed on sliding block 13 towards collision obstacle 4 end face on.Sliding block 13 rushes Suffered counter-force can uniformly be shared on guide rail 12 when hitting battery pack 7.Array distribution has mounting hole on 13 top surface of sliding block 131, clump weight can be fixed by bolts according to actual needs to change the weight of sliding block 13.Pacified using bolt the front end of sliding block 13 Impact head 14 is filled, impact head of different shapes can be needed replacing according to difference.

The hydraulic power unit 1 pushes the Mobile Slide 2 to slide along the guide rail 12 by a piston rod 15, in order to Mobile Slide 2 is set to generate enough speed, the hydraulic power unit 1 can be slided by piston rod 15 by mobile in 100ms 2 speed of platform is pushed to 100km/h by 0km/h.

This test device further includes emission-control equipment 3, which includes suction machine 31, pipeline 32 and inhale Reaction enclosure room 33, as shown in figure 4, the suction machine 31 is connect with adsorption reaction room 33 by pipeline 32, the suction machine 31 Right above battery pack 7 and towards battery pack 7.When battery pack 7 leaks pernicious gas in collision process, suction machine 31 starts, Pernicious gas is transported to adsorption reaction room 33 by pipeline 32 to handle.

Claims (9)

1. a kind of battery pack apparatus for impact testing, including for placing battery packet collision obstacle (4), with impact head (14) The hydraulic power unit (1) and lead to the internal sensor of battery pack (7) that Mobile Slide (2), promotion Mobile Slide (2) are slided Believe the monitoring device (5) of connection, the Mobile Slide (2) is located between hydraulic power unit (1) and collision obstacle (4), mobile Support component of the impact head (14) of slide unit (2) towards placing battery packet (7) on collision obstacle (4) side, the monitoring device (5) hydraulic power unit (1) start and stop are controlled, it is characterised in that:It further include being located at immediately below the support component for electricity The solution pool (6) of Chi Bao fire extinguishing, monitoring device (5) also control support component release battery pack (7) and fall into the solution pool (6) in;
Collision obstacle (4) includes a fixed rigid wall (47), and the support component includes that a latch (42) and two incline Inverted plate (41,48), two pour plate (41,48) in the same plane and end part aligning, two pour plates (41,48) phase Adjacent end is each provided with idler wheel (43), and the other end of two pour plates (41,48) is respectively rotatablely connected with an axis (44), described Axis (44) is vertically fixed on the side of the rigid wall (47), and two pour plates are respectively fixed with a support frame on (41,48) (46), support frame as described above (46) is used to support battery pack (7);The idler wheel (43) is supported on the latch (42), in institute During stating monitoring device (5) control latch (42) whereabouts, two pour plates (41,48) rotation makes on support frame (46) Battery pack (7) is fallen in the solution pool (6).
2. a kind of battery pack apparatus for impact testing according to claim 1, it is characterised in that:Tool in the rigid wall (47) There is a cavity (472), the cavity (472) is longitudinal through rigid wall (47) bottom surface towards offering on the side wall of latch (42) V notch v (471);The latch (42) includes orthogonal insert plate (421), stiffening plate (422) and support plate (423), which is located in cavity (472), which is located at below the idler wheel (43) for branch Support idler wheel (43), the stiffening plate (422) be interspersed in a v notch v (471) and with a v notch v (471) clearance fit, stiffening plate (422) one side is fixed with insert plate (421), and the another side of stiffening plate (422) and support plate (423) are fixed.
3. a kind of battery pack apparatus for impact testing according to claim 1 or 2, it is characterised in that:The rigid wall (47) It puts and buffer (45) is installed on the side of battery pack (7).
4. a kind of battery pack apparatus for impact testing according to claim 3, it is characterised in that:The solution pool (6) uses Concrete is made, and concrete layer (61) inner wall is coated with insulating coating (62).
5. a kind of battery pack apparatus for impact testing according to claim 4, it is characterised in that:The solution pool (6) is square Shape pond body, inside dimension are 4000mm × 4000mm × 3000mm, the insulating coating (62) with a thickness of 10mm.
6. a kind of according to claim 1, battery pack apparatus for impact testing described in any one of 2,4,5, it is characterised in that:It is described A pair of guide rails installation wall (11) is provided between hydraulic power unit (1) and collision obstacle (4), it is opposite that two guide rails install wall (11) Medial surface be each provided with a guide rail (12);The Mobile Slide (2) includes the cunning between two guide rails installation wall (11) Block (13), the two sides of the sliding block (13), which are offered, is fixed on sliding block with guide rail (12) matched sliding slot, the impact head (14) (13) towards collision obstacle (4) end face on.
7. a kind of battery pack apparatus for impact testing according to claim 6, it is characterised in that:The hydraulic power unit (1) Mobile Slide (2) is pushed to slide along the guide rail (12) by a piston rod (15).
8. a kind of battery pack apparatus for impact testing according to claim 7, it is characterised in that:The top surface of the sliding block (13) Upper array distribution has mounting hole (131), the Mobile Slide (2) by mounting hole (131) bolt fixed weight block adjust Save the weight of sliding block (13).
9. a kind of according to claim 1, battery pack apparatus for impact testing described in any one of 2,4,5,7,8, it is characterised in that: It further include emission-control equipment (3), which includes suction machine (31), pipeline (32) and adsorption reaction room (33), the suction machine (31) is connect with adsorption reaction room (33) by pipeline (32), and the suction machine (31) is located at battery pack (7) right above and towards battery pack (7).
CN201610614951.7A 2016-07-29 2016-07-29 A kind of battery pack apparatus for impact testing CN106323577B (en)

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CN201610614951.7A CN106323577B (en) 2016-07-29 2016-07-29 A kind of battery pack apparatus for impact testing

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CN106323577B true 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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