CN114002090A - Battery package anti rubble impact capability test equipment - Google Patents
Battery package anti rubble impact capability test equipment Download PDFInfo
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- CN114002090A CN114002090A CN202111428628.8A CN202111428628A CN114002090A CN 114002090 A CN114002090 A CN 114002090A CN 202111428628 A CN202111428628 A CN 202111428628A CN 114002090 A CN114002090 A CN 114002090A
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- battery pack
- mounting plate
- gravel
- test
- impact
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a device for testing the anti-gravel impact capacity of a battery pack, which comprises a movable collision chamber, a gravel transmitter, an integrated control console and a monitoring assembly, wherein the battery pack to be tested is obliquely fixed on the movable collision chamber, and the surface of the battery pack to be tested, which is connected with the movable collision chamber, is an impact surface; the gravel transmitter is positioned on the opening side of the movable collision chamber, and the transmitting direction of the gravel transmitter is over against the impact surface of the battery pack to be tested; the gravel transmitter is connected with the integrated control console, and test parameters of the gravel transmitter are set through the integrated control console; the monitoring assembly is connected with the integrated control console, shoots a test state in the movable collision chamber and transmits a monitoring picture to the integrated control console for observation. The test equipment has the characteristics of convenience in adjusting and installing test angles, good safety, convenience in observation and the like.
Description
Technical Field
The invention relates to the technical field of battery pack performance testing, in particular to a device for testing the broken stone impact resistance of a battery pack.
Background
When the automobile runs, the battery pack shell can be impacted by gravel, broken stones and other particulate matters, and the broken stone impact resistance of the shell body is good or bad, so that the safety and the appearance of the battery are directly influenced. Therefore, the method has practical significance for improving the safety of the power battery pack of the electric automobile by correctly evaluating the broken stone impact resistance of the battery pack shell.
The existing equipment for testing the impact resistance to crushed stones mainly aims at samples with small surface areas, and the installation space of a target chamber is small. For a sample with large volume and mass, such as a power battery, direct test is difficult to carry out.
If the existing equipment carries out the sampling test of the battery can body, the following defects exist:
(1) the installation state of the battery pack cannot be truly simulated, and the broken stone impact resistance of the shell cannot be accurately evaluated.
(2) The safety of other components of the battery (modules, cells, BMS, etc.) at the time of a rubble impact cannot be evaluated.
If the existing equipment carries out complete sample test on the battery pack, the sample needs to be lifted and adjusted to a certain angle through the overhead traveling crane, and the existing equipment has the following defects:
(1) when the battery pack or the battery pack clamp is hoisted by the overhead travelling crane, the state of the battery pack or the battery pack clamp is unstable, displacement can occur in the process of stone crushing impact, and the test result is not safe and can be influenced.
(2) During testing, if the periphery of the battery pack is lack of perfect protection measures, broken stones may splash after impacting the shell of the battery pack, and potential safety hazards exist to peripheral personnel or equipment.
(3) If the battery pack generates smoke, fires, explosions or other dangerous conditions in the test process, the crown block is connected with the battery pack or the battery pack clamp at the moment, so that the battery pack is extremely difficult to withdraw.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects in the prior art, the invention provides a device for testing the broken stone impact resistance of a battery pack.
The technical scheme adopted for solving the technical problems is as follows: a device for testing the anti-gravel impact capacity of a battery pack comprises a movable collision chamber, a gravel transmitter, an integrated control console and a monitoring assembly, wherein the battery pack to be tested is obliquely fixed on the movable collision chamber, and the surface of the battery pack to be tested, which is connected with the movable collision chamber, is an impact surface; the gravel transmitter is positioned on the opening side of the movable collision chamber, and the transmitting direction of the gravel transmitter is over against the impact surface of the battery pack to be tested; the gravel transmitter is connected with the integrated control console, and test parameters of the gravel transmitter are set through the integrated control console; the monitoring assembly is connected with the integrated control console, shoots a test state in the movable collision chamber and transmits a monitoring picture to the integrated control console for observation.
Furthermore, the movable collision chamber comprises a mounting plate, a support frame, side plates and an angle locking mechanism, wherein the left side and the right side of the support frame are respectively provided with one side plate, the side plates are provided with transparent observation windows, the mounting plate is arranged between the two side plates, one end of the mounting plate is rotatably connected onto the support frame through a rotating shaft, the other end of the mounting plate is obliquely connected onto the support frame through the angle locking mechanism, and the inclination angle between the mounting plate and the horizontal plane is 0-90 degrees; a hanging lug for hoisting is arranged on the side edge of the connecting side of the mounting plate and the angle locking mechanism; the battery pack to be tested is arranged on the mounting plate, and the impact surface is opposite to the impact port; the side between the two side plates, which is opposite to the mounting plate, is the opening side of the movable collision chamber, and the gravel emission direction of the gravel emitter at the opening side is opposite to the impact port; in order to facilitate the movement of the collision chamber, a group of one-way wheels and a group of universal wheels are further mounted at the bottom of the support frame, and the one-way wheels are close to one side of the rotating shaft.
The mounting plate can rotate between 0 degrees and 90 degrees around the rotating shaft, so that the battery pack is convenient to mount on one hand, and the requirement for testing the inclination angle can be met on the other hand. Enclose into an individual space through mounting panel and both sides board between with the impact surface of battery package and rubble transmitter, can avoid making the rubble splash everywhere in the test procedure to influence the security of test. Through the fixed position between angle regulation locking mechanism and the support frame, can realize the adjustment of mounting panel angle to can change the impact angle of installing the battery package that awaits measuring on the mounting panel and assaulting the face, realize the test demand under the different situation.
Because the weight of the battery pack is large, part of the battery pack is required to be installed and fixed through a clamp during testing, and the battery pack is in an inclined state after being installed on the installation plate, the battery pack is connected to the installation plate through a plurality of screws, the screw joints have large stress, the stress of the joints can be increased during impact testing, and after long-time testing or repeated testing, the fixing holes in the installation plate can be deformed, so that the stress of the joints is reduced, the stability in the testing process is improved, and the service life of equipment is prolonged; the impact port is arranged in the middle of the battery pack fixing area, and a plurality of fixing holes which are arranged in a matrix are formed in the periphery of the impact port; the mounting plate on the other side of the supporting plate is a shielding area. Because the mounting panel can revolute the rotation of axes, consequently, when the mounting panel sets up on the support frame with different angle inclinations, leave the breach between mounting panel bottom and the support frame, when the test, the rubble of impact is followed the breach easily and is gone out, consequently, through setting up the region of sheltering from of extension, can be with the downward bounce-back of rubble to improve the security.
Further, in order to improve the connection strength between the supporting plate and the mounting plate, reinforcing ribs for connecting the supporting plate and the mounting plate are further arranged between the supporting plate and the shielding area.
Further, in order to facilitate the collection of the crushed stone ejected in the test, the movable collision chamber further comprises a crushed stone collecting disc, and the crushed stone collecting disc can be placed on a support frame below the mounting plate in a telescopic mode and is used for collecting the crushed stone falling after the impact test.
Further, in order to facilitate fixing and angle adjustment of the mounting plate, the angle locking mechanism comprises a locking pin arranged on the mounting plate and at least two locking holes arranged on the support frame, wherein the locking holes are circumferentially distributed by taking a rotating shaft of the mounting plate as a center; when the mounting panel is fixed, insert the locking round pin in the locking hole that corresponds inclination, when the mounting panel needs to rotate, extract the locking round pin from the locking hole is downthehole.
Further, in order to monitor the test state of the battery pack in real time, the monitoring assembly comprises an explosion-proof camera, a camera bracket and a base, the explosion-proof camera is mounted above the camera bracket, the bottom of the camera bracket is connected with the base, and the monitoring assembly is fixed on the ground through the base; and the lens of the explosion-proof camera is aligned to the transparent observation window and is used for shooting the test process in the movable collision chamber.
Further, in order to be able to be when on fire, safe, quick pull out the laboratory to spacious open place with the battery package, still include the hoist engine, the hoist engine is connected to one side that the support frame is close to the one-way wheel through wire rope.
Furthermore, in order to facilitate dragging and fixing of the movable collision chamber, a one-way wheel locking mechanism is further arranged at the joint of the steel wire rope and the support frame, the one-way wheel locking mechanism comprises a support rod and a connecting rod, a support surface is arranged at the bottom of the support rod, and a rope tying part for fixing the steel wire rope is arranged on the support rod on one side of the support surface; two ends of the supporting rod are respectively connected with a connecting rod, and the other end of the connecting rod is connected to the supporting frame in a shaft mode. Specifically, the end of the connecting rod is provided with a shaft sleeve, the supporting frame is provided with an ear seat, and the shaft sleeve is arranged in the ear seat and is rotatably connected to the ear seat through a rotating shaft.
The one-way wheel locking mechanism can rotate up and down around the connection part of the one-way wheel locking mechanism and the support frame, and when the winch needs to be pulled, the one-way wheel locking mechanism is pulled away from the ground under the action of the steel wire rope, so that the movable collision chamber is dragged away; when testing, support surface with one-way wheel locking mechanism subaerial, can be with portable collision room and ground relatively fixed, avoid when impact test, the rubble transmitter is kept away from to portable collision room under the impact force effect to change test distance, influence test effect.
And the wireless audible and visual alarm is arranged on the support frame and used for alarming dangerous conditions in the test process.
The invention has the beneficial effects that: the invention designs a device for testing the anti-gravel impact capability of a battery pack, which is based on the existing gravel impact device for small samples, continues to use a gravel transmitter, and is additionally provided with a battery pack movable collision chamber, a winch, an explosion-proof camera, an integrated control console and the like. The movable collision chamber can simulate the installation state of the battery pack on a vehicle, and the angle of the movable collision chamber is adjusted according to the test standard by combining with overhead travelling crane equipment, so that the problem that the traditional gravel impact equipment cannot perform gravel impact resistance test on the whole battery pack is solved; and because the test device provides a relatively closed test environment, the safety threat of the splashed gravel to surrounding equipment or personnel in the test process is reduced. The universal wheel of hoist engine cooperation portable collision room bottom, when dangerous condition such as the battery package takes place to catch fire, explode in the test process, hoist engine pulling collision room drives one-way wheel locking mechanical system unblock simultaneously, with the battery package together with portable collision room pull out laboratory to spacious open place to furthest's reduction safety risk and loss of property. The explosion-proof camera that increases combines the transparent observation window on the portable collision room, can closely, real-time observation battery package state, in time starts the procedure of withdrawing when the battery package takes place the dangerous condition.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic structural diagram of a device for testing the impact resistance of a battery pack against crushed stones according to the present invention.
Fig. 2 is a schematic view of the structure of the movable collision cell.
Fig. 3 is a schematic view of the structure of the mounting plate.
Fig. 4 is a schematic view of the configuration of the debris collection pan in a movable collision cell.
Fig. 5 is a schematic view of the structure of the debris collection pan drawn out of the movable collision cell.
Fig. 6 is a schematic structural view of the one-way wheel lock mechanism.
In the figure: 1. the mobile collision room comprises a mobile collision room 11, a mounting plate 111, a hanging lug 112, an impact opening 113, a fixing hole 114, a supporting plate 115, a reinforcing rib 116, a rotating shaft 117, a battery pack fixing area 118, a shielding area 12, a support frame 13, an angle locking mechanism 131, a locking pin 132, a locking hole 14, a universal wheel 15, a one-way wheel 16, a one-way wheel locking mechanism 161, a support rod 162, a rope tying part 163, a connecting rod 164, a shaft sleeve 165, a support surface 17, a side plate 171, a transparent observation window 18, a gravel collecting disc 181, a handle 19, a wireless audible and visual alarm 2, a gravel transmitter 3, a winch 4, a monitoring component 41, an explosion-proof camera 42, a camera support 43, a base 5, a battery pack 6 and a steel wire rope.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in fig. 1, the device for testing the impact resistance of the battery pack against the crushed stone comprises a movable collision chamber 1, a crushed stone transmitter 2, an integrated console, a monitoring component 4, a winch 3 and a wireless audible and visual alarm 19, wherein a battery pack 5 to be tested is obliquely fixed on the movable collision chamber 1, and the surface of the battery pack 5 to be tested, which is connected with the movable collision chamber 1, is an impact surface; the gravel transmitter 2 is positioned on the opening side of the movable collision chamber 1, and the transmitting direction of the gravel transmitter 2 is over against the impact surface of the battery pack 5 to be tested; the gravel transmitter 2 is connected with the integrated control console, and test parameters of the gravel transmitter 2 are set through the integrated control console; the monitoring component 4 is connected with the integrated control console, and the monitoring component 4 shoots a test state in the movable collision chamber 1 and transmits a monitoring picture to the integrated control console for observation; the winch 3 is connected to one side of the support frame 12 of the movable collision room 1 close to the one-way wheel 15 through the steel wire rope 6. The wireless audible and visual alarm 19 is arranged on the support frame 12 of the movable collision room 1 and is used for alarming dangerous conditions in the test process.
The monitoring assembly 4 comprises an explosion-proof camera 41, a camera bracket 42 and a base 43, wherein the explosion-proof camera 41 is arranged above the camera bracket 42, the bottom of the camera bracket 42 is connected with the base 43, and the monitoring assembly 4 is fixed on the ground through the base 43; and the lens of the explosion-proof camera 41 is aligned with the transparent observation window 171 for shooting the test process in the movable collision cell 1.
As shown in fig. 2-5, the movable collision chamber 1 includes a mounting plate 11, a support frame 12, side plates 17, an angle locking mechanism 13 and a gravel collecting tray 18, the left and right sides of the support frame 12 are respectively provided with the side plates 17, the side plates 17 are provided with transparent observation windows 171, the mounting plate 11 is arranged between the two side plates 17, one end of the mounting plate 11 is rotatably connected to the support frame 12 through a rotating shaft 116, the other end of the mounting plate 11 is obliquely connected to the support frame 12 through the angle locking mechanism 13, an inclination angle between the mounting plate 11 and a horizontal plane is 0-90 °, and a test angle is 45 ° in this embodiment; a hanging lug 111 for hoisting is arranged on the side edge of the connecting side of the mounting plate 11 and the angle locking mechanism 13; the mounting plate 11 is provided with an impact port 112, and when the battery pack 5 to be tested is mounted on the mounting plate 11, the impact surface is opposite to the impact port 112; the side between the two side plates 17 opposite to the mounting plate 11 is the opening side of the movable collision chamber 1, and the gravel emitting direction of the gravel emitter 2 on the opening side is opposite to the impact port 112; in order to collect impact materials, the broken stone collecting tray 18 is placed on the supporting frame 12 below the mounting plate 11 in a drawable mode and used for collecting broken stones falling after impact tests, and a handle 181 convenient to pull is arranged on the broken stone collecting tray 18. In order to facilitate the movement of the collision chamber, a set of one-way wheels 15 and a set of universal wheels 14 are further mounted at the bottom of the support frame 12, and the one-way wheels 15 are close to one side of the rotating shaft 116.
As shown in fig. 3, a supporting plate 114 is provided on one side of the mounting plate 11 close to the rotating shaft 116, a part of the gravity of the battery pack 5 due to the inclined placement is supported by the supporting plate 114, the supporting plate 114 extends upward from the surface of the mounting plate 11, and the mounting plate 11 between the supporting plate 114 and the angle locking mechanism 13 is a battery pack 5 fixing area 117; the impact port 112 is arranged in the middle of the fixing area 117 of the battery pack 5, and a plurality of fixing holes 113 arranged in a matrix are formed in the periphery of the impact port 112; the mounting plate 11 on the other side of the pallet 114 is a shaded area 118. Because the mounting panel 11 can rotate around rotation axis 116, consequently, when the mounting panel 11 sets up on support frame 12 with different angle inclinations, leave the breach between mounting panel 11 bottom and the support frame 12, when the test, the rubble of impact is easily followed the breach and is gone out, consequently, through setting up the regional 118 that shelters from of extension, can be with the downward bounce-back of rubble to improve the security. In order to improve the connection strength between the supporting plate 114 and the mounting plate 11, a reinforcing rib 115 for connecting the supporting plate 114 and the mounting plate 11 is further arranged between the supporting plate 114 and the shielding area 118.
As shown in fig. 4, the angle locking mechanism 13 includes a locking pin 131 disposed on the mounting plate 11, and at least two locking holes 132 disposed on the supporting frame 12, wherein the locking holes 132 are circumferentially distributed around the rotating shaft 116 of the mounting plate 11; when the mounting plate 11 is fixed, the locking pin 131 is inserted into the locking hole 132 corresponding to the inclination angle, and when the mounting plate 11 needs to be rotated, the locking pin 131 is pulled out from the locking hole 132.
As shown in fig. 6, in order to facilitate dragging and fixing the movable collision cell 1, a one-way wheel locking mechanism 16 is further disposed at a connection position of the steel wire rope 6 and the support frame 12, the one-way wheel locking mechanism 16 includes a support rod 161 and a connecting rod 163, a support surface 165 is disposed at the bottom of the support rod 161, and a rope fastening portion 162 for fixing the steel wire rope 6 is disposed on the support rod 161 on one side of the support surface 165; two ends of the support rod 161 are respectively connected with a connecting rod 163, and the other end of the connecting rod 163 is connected to the support frame 12 in a shaft manner. Specifically, the end of the connecting rod 163 is provided with a shaft sleeve 164, the supporting frame 12 is provided with an ear seat, and the shaft sleeve 164 is arranged in the ear seat and is rotatably connected to the ear seat through a rotating shaft.
The one-way wheel locking mechanism 16 can rotate up and down around the connection part with the support frame 12, and when the winch 3 needs to be pulled, the one-way wheel locking mechanism 16 is pulled away from the ground under the action of the steel wire rope 6, so that the movable collision chamber 1 is dragged away; when the test is carried out, the supporting surface 165 of the one-way wheel locking mechanism 16 is supported on the ground, the movable collision chamber 1 can be relatively fixed with the ground, and the situation that the movable collision chamber 1 is far away from the gravel transmitter 2 under the action of impact force during impact test is avoided, so that the test distance is changed, and the test effect is influenced.
The test process of the device for testing the broken stone impact resistance of the battery pack 5 designed by the invention is as follows:
(1) the collision cell is fixed.
And (3) moving the movable collision room 1 to a proper position in the test room, enabling the crushed stone spraying direction to be opposite to the direction of a logistics door of the test room, and locking the one-way wheel locking mechanism 16 to enable the one-way wheel 15 not to rotate, so that the position of the movable collision room 1 is fixed.
(2) The battery pack 5 is mounted.
An angle locking mechanism 13 that adjusts the mounting plate 11 in the movable collision cell 1 to a horizontal position and locks the mounting plate 11. The battery pack 5 is hoisted to the mounting plate 11 using a crown block and fixed using bolts.
(3) And adjusting the angle of the battery pack 5.
Hanging a crown block hook on a hanging lug 111 of the mounting plate 11, slightly hoisting one side of the mounting plate 11 to enable the angle locking mechanism 13 not to be stressed, unlocking the angle locking mechanism 13 of the mounting plate 11, and then continuing hoisting to enable the mounting plate 11 fixed with the battery pack 5 to form a larger angle with the ground; the final angle was adjusted according to the test requirements, with a typical angle of 45 °. When the required angle is adjusted, the angle locking mechanism 13 is locked again, the height of the lifting hook is reduced, and the lifting hook is separated from the mounting plate 11.
(4) Other preparations were made prior to testing.
According to the test requirements, the gravel transmitter 2 is moved and fixed to a proper position, and cobblestones or carborundum for testing are filled in. The tow hook of the hoist 3 is fixed to the rope fastening portion 162 of the one-way wheel lock mechanism 16. An explosion-proof camera is mounted in place outside the transparent viewing window 171. And finally, a warning line is arranged between the outdoor winch 3 and the laboratory, so that irrelevant personnel and the like are prevented from entering a site.
(5) The test was started.
And setting various parameters of the gravel transmitter 2 on the integrated control console according to test requirements, and opening a monitoring picture of the explosion-proof camera for observation. After all preparations are completed, the test is started after the safety is confirmed.
(6) The test was completed.
After the test is normally finished, hoisting one end of the mounting plate 11 by using the crown block again, and unlocking the angle locking mechanism 13; the hook is gradually lowered to make the mounting plate 11 close to horizontal, and then the angle locking mechanism 13 is locked again. The hook continues to be lowered until it can be removed. After the fixing bolts are removed, the battery pack 5 is lifted away using a crown block. Finally, the ballast collecting pan 18 is removed to clean the ballast.
(7) The test was terminated.
If dangerous conditions such as smoking, fire, explosion and the like occur to the battery pack 5 in the test process, a stopping program is started on the integrated control console. The winch 3 pulls the one-way wheel locking mechanism 16 to unlock, thereby pulling the whole movable collision cell 1 to move out of the test room. Meanwhile, the wireless audible and visual alarm 19 on the movable collision room 1 starts audible and visual alarm prompt.
In light of the foregoing description of preferred embodiments in accordance with the invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a battery package anti rubble impact capability test equipment which characterized in that: the device comprises a movable collision chamber, a gravel transmitter, an integrated control console and a monitoring assembly, wherein a battery pack to be tested is obliquely fixed on the movable collision chamber, and the surface of the battery pack to be tested, which is connected with the movable collision chamber, is an impact surface; the gravel transmitter is positioned on the opening side of the movable collision chamber, and the transmitting direction of the gravel transmitter is over against the impact surface of the battery pack to be tested; the gravel transmitter is connected with the integrated control console, and test parameters of the gravel transmitter are set through the integrated control console; the monitoring assembly is connected with the integrated control console, shoots a test state in the movable collision chamber and transmits a monitoring picture to the integrated control console for observation.
2. The battery pack crush resistance testing apparatus of claim 1, wherein: the movable collision chamber comprises a mounting plate, a support frame, side plates and an angle locking mechanism, wherein the left side and the right side of the support frame are respectively provided with one side plate, the side plates are provided with transparent observation windows, the mounting plate is arranged between the two side plates, one end of the mounting plate is rotatably connected onto the support frame through a rotating shaft, the other end of the mounting plate is obliquely connected onto the support frame through the angle locking mechanism, and the inclination angle between the mounting plate and the horizontal plane is 0-90 degrees; a hanging lug for hoisting is arranged on the side edge of the connecting side of the mounting plate and the angle locking mechanism; the battery pack to be tested is arranged on the mounting plate, and the impact surface is opposite to the impact port; the side between the two side plates, which is opposite to the mounting plate, is the opening side of the movable collision chamber, and the gravel emission direction of the gravel emitter at the opening side is opposite to the impact port; the bottom of support frame still installs a set of one-way wheel and a set of universal wheel, one side that the one-way wheel is close to the pivot.
3. The battery pack crush resistance testing apparatus of claim 2, wherein: a supporting plate is arranged on one side, close to the rotating shaft, of the mounting plate, the supporting plate extends upwards from the surface of the mounting plate, and the mounting plate between the supporting plate and the angle locking mechanism is a battery pack fixing area; the impact port is arranged in the middle of the battery pack fixing area, and a plurality of fixing holes which are arranged in a matrix are formed in the periphery of the impact port; the mounting plate on the other side of the supporting plate is a shielding area.
4. The battery pack chipping resistance test apparatus according to claim 3, wherein: and a reinforcing rib for connecting the supporting plate and the mounting plate is arranged between the supporting plate and the shielding area.
5. The battery pack chipping resistance test apparatus according to any one of claims 2 to 4, wherein: the movable collision chamber further comprises a broken stone collecting disc, and the broken stone collecting disc can be placed on the supporting frame below the mounting plate in a telescopic mode and is used for collecting broken stones falling after an impact test.
6. The battery pack crush resistance testing apparatus of claim 2, wherein: the angle locking mechanism comprises a locking pin arranged on the mounting plate and at least two locking holes arranged on the support frame, and the locking holes are circumferentially distributed by taking a rotating shaft of the mounting plate as a center; when the mounting panel is fixed, insert the locking round pin in the locking hole that corresponds inclination, when the mounting panel needs to rotate, extract the locking round pin from the locking hole is downthehole.
7. The battery pack crush resistance testing apparatus of claim 2, wherein: the monitoring assembly comprises an explosion-proof camera, a camera bracket and a base, the explosion-proof camera is arranged above the camera bracket, the bottom of the camera bracket is connected with the base, and the monitoring assembly is fixed on the ground through the base; and the lens of the explosion-proof camera is aligned to the transparent observation window and is used for shooting the test process in the movable collision chamber.
8. The battery pack crush resistance testing apparatus of claim 7, wherein: the hoisting machine is connected to one side, close to the one-way wheel, of the support frame through a steel wire rope.
9. The battery pack crush resistance testing apparatus of claim 2, wherein: the connecting part of the steel wire rope and the support frame is also provided with a one-way wheel locking mechanism, the one-way wheel locking mechanism comprises a support rod and a connecting rod, the bottom of the support rod is provided with a support surface, and the support rod on one side of the support surface is provided with a rope tying part for fixing the steel wire rope; two ends of the supporting rod are respectively connected with a connecting rod, and the other end of the connecting rod is connected to the supporting frame in a shaft mode.
10. The battery pack crush resistance testing apparatus of claim 2, wherein: the wireless audible and visual alarm is arranged on the support frame and used for alarming dangerous conditions in the test process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111428628.8A CN114002090B (en) | 2021-11-29 | 2021-11-29 | Test equipment for anti-broken stone impact capability of battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111428628.8A CN114002090B (en) | 2021-11-29 | 2021-11-29 | Test equipment for anti-broken stone impact capability of battery pack |
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| CN114002090A true CN114002090A (en) | 2022-02-01 |
| CN114002090B CN114002090B (en) | 2023-06-23 |
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| CN106323577A (en) * | 2016-07-29 | 2017-01-11 | 重庆长安汽车股份有限公司 | Impact testing device for battery pack |
| WO2018131433A1 (en) * | 2017-01-11 | 2018-07-19 | 株式会社仲田コーティング | Washing device for powder slush molding mold and washing method for powder slush molding mold |
| CN211085969U (en) * | 2019-11-18 | 2020-07-24 | 上海冠驰汽车安全技术有限公司 | Battery package dynamic impact waveform generator recurrence device |
| CN212514073U (en) * | 2020-05-09 | 2021-02-09 | 天津国测航天科技有限责任公司 | Rubble strikes experimental facilities |
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