Power battery external burning testing machine

Abstract

The utility model belongs to the technical field of battery external burning tests, and particularly relates to a power battery external burning testing machine which comprises a test bed and further comprises a sliding plate sleeved on the surface of the test bed, adjusting rods are installed on the surface of the sliding plate at equal intervals, and a partition plate support is installed through an oil pan outer frame. Limiting grooves are arranged through a partition plate support, partition plates are conveniently installed through the limiting grooves, a combustion area of a target size can be formed by disassembling the partition plates on the periphery of a partition plate support unit, and gasoline is combusted on the water surface in the combustion area in the test process. Gasoline in a combustion area filled with gasoline is prevented from leaking to an area not filled with gasoline in a bottom water seal mode, combustion areas with different target sizes can be formed, the requirement of an external fire test of the power storage battery is met, the sizes of the combustion areas can be efficiently adjusted, and the situation that the oil pan is repeatedly machined due to different sizes of the power storage battery is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery external fire test technical field especially relates to a power battery external fire test machine. BACKGROUND

[0002] In recent years, electric vehicle technology develops at high speed, production and sales rise, and the following vehicle safety problem becomes the focus of consumers, especially the fire and explosion accident, and the power battery system realizes the storage and release of energy through the mutual conversion of electric energy and chemical energy. With the continuous increase of the driving range of electric vehicles, the energy that can be stored by the power battery system also improves rapidly. If the power battery system is caused to heat runaway due to internal and external reasons, the energy contained will be released in a short time, which will cause the fire and explosion accident. Therefore, the thermal stability of the power battery system is very important. In the external fire test of the power battery for electric vehicles, an oil pan is needed. The standard requires that the size of the oil pan containing gasoline is more than 20cm and less than 50cm from the horizontal projection size of the test object. The current oil pan needs to be repeatedly processed according to the size of the power battery, which increases the cost and reduces the size adjustment efficiency. Therefore, a power battery external fire test machine is proposed.

[0003] For example, the Chinese patent with publication number CN208297405U discloses a battery pack external fire test machine, which comprises a movable frame, a first rack, an oil pan cover plate, a square tube support, an oil pan, an oil box, a pipeline, a liquid level sensor, an oil spill collection tray, a base, a battery placing rack, a fixed pulley, a mounting groove, a lifting hook, a chain, a gear, a second rack, a traction motor, a first circular shaft guide rail, a second circular shaft guide rail control box, the bottom of the square tube support is provided with the base, the lower part of the base is designed as an overhead layer, the oil spill collection tray is placed in the overhead layer, the bottom of the square tube support is provided with the oil pan, and the top of the oil pan is located at the top and the middle of the square tube support. The two sides of the square tube support are respectively provided with the first circular shaft guide rail and the second circular shaft guide rail.

[0004] The prior art document has the following problems:

[0005] The prior art document has the following problems: The current oil pan needs to be repeatedly processed according to the size of the power battery, which increases the cost and reduces the size adjustment efficiency. Moreover, the height of the battery outside the storage is fixed and cannot be adjusted. The height of the rack cannot be adjusted, the battery outside is not subjected to the same temperature at different heights, and the accuracy of the battery outside fire test is not convenient to test. In view of this, a power battery external fire test machine is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims at the above-mentioned technical problems, and provides a power battery external fire test machine, which can perform fire test according to the size of the battery and adjust the height of the battery rack.

[0007] In view of the above, the utility model provides a kind of power battery external fire burning test machine, including test table, still include: the surface of the test table is sleeved with sliding plate, the surface of the sliding plate is equidistantly installed with adjusting rod, the surface of the adjusting rod is equidistantly installed with adjusting nut, storage rack is movably installed between the adjusting nut, firebrick support is movably installed between the sliding plate on the test table, firebrick support is located below storage rack, oil pan outer frame is slidably installed on the test table at the bottom of firebrick support, the surface of the oil pan outer frame is installed with baffle support, the surface of the baffle support is equidistantly provided with limit slot, the surface of the limit slot is movably installed with partition plate, connecting groove is fixedly provided on the both sides of the oil pan outer frame.

[0008] Based on the above structure, by disassembling the partition plate around the baffle support unit, the target size of the combustion area can be formed, the water surface combustion of gasoline in the combustion area during the test, before the fire burning test, according to the flame intensity, the height of the storage rack is adjusted by screwing the adjusting nut, so that the fire burning resistance of the battery outside at different temperatures can be simulated.

[0009] Preferably, the surface of the storage rack is installed with a grid, the grid is made of steel, and the grid is used to store the battery shell.

[0010] Preferably, the connecting groove is installed with a moving roller on both sides, the moving roller is made of stainless steel, and the moving roller is used to move the oil pan outer frame.

[0011] Preferably, the surface of the test table is fixedly provided with a first sliding rail, the first sliding rail is fixedly provided with a second sliding rail, and one end of the test table is equidistantly installed with a supporting leg, which is used to support the test table.

[0012] Preferably, the end of the supporting leg is fixedly installed with a base, and the surface of the base is equidistantly installed with a fixing bolt, which is used to fix the base.

[0013] Preferably, the surface of the firebrick support is fixedly provided with a storage slot, and the both sides of the firebrick support are fixedly installed with a limit shaft, which is used to store the firebrick.

[0014] Preferably, the surface of the limit shaft is sleeved with a pulley, the pulley is made of stainless steel, and the pulley is used to move the firebrick support.

[0015] The utility model has the advantages of:

[0016] 1. A power battery external fire burning test machine, through the oil pan outer frame, the partition plate support is installed, then through the partition plate support, the limiting groove is set, then through the limiting groove, the partition plate is installed conveniently, through the disassembly partition plate support unit around the partition plate, the burning area of target size can be formed, the gasoline in the burning area is burned in the water surface during the test process, the bottom water seal is used to prevent the gasoline in the burning area from leaking to the area without gasoline, and different target size burning areas can be formed, which not only meets the requirements of the power battery external fire burning test, but also efficiently adjusts the size of the burning area, and avoids repeated processing of the oil pan due to different sizes of the power battery.

[0017] 2. A power battery external fire burning test machine, through the slide plate, the adjusting rod is fixed, then through the adjusting rod, the adjusting nut is installed, then through the two adjusting nuts, the storage rack is clamped, then through the storage rack, the battery shell is stored, before the fire burning test, according to the flame intensity, the adjusting nut is screwed in advance, the height of the storage rack is adjusted, so that the fire burning resistance of the battery external under different temperatures is simulated, and the accuracy of the fire burning resistance test result of the battery external is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall perspective drawing of the utility model;

[0019] Figure 2 It is the local perspective drawing of the oil pan outer frame in the utility model;

[0020] Figure 3 It is the local perspective drawing of the slide plate in the utility model;

[0021] Figure 4 It is the local perspective drawing of the experiment table in the utility model;

[0022] Figure 5 It is the local perspective drawing of the firebrick support in the utility model.

[0023] The marks in the drawing are:

[0024] 1, test table; 101, first slide rail; 102, second slide rail; 103, supporting leg; 104, base; 105, fixed bolt; 2, slide plate; 201, adjusting rod; 202, adjusting nut; 203, storage rack; 204, grating; 3, firebrick support; 301, storage groove; 302, limiting shaft; 303, pulley; 4, oil pan outer frame; 401, partition plate support; 402, limiting groove; 403, partition plate; 404, connecting groove; 405, moving roller. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] The application discloses a power battery external fire burning test machine, please refer to Figures 1-5 , including test table 1, further comprising: the surface of test table 1 is sleeved with sliding plate 2, the surface of sliding plate 2 is equidistantly provided with adjusting rod 201, the surface of adjusting rod 201 is equidistantly provided with adjusting nut 202, storage rack 203 is movably arranged between adjusting nut 202, firebrick support 3 is movably arranged between sliding plate 2 on test table 1, fire resistance test can be carried out by sliding firebrick support 3 to the lower side of battery pack, firebrick support 3 is located below storage rack 203, oil pan outer frame 4 is movably arranged on the bottom of firebrick support 3 on test table 1, baffle support 401 is arranged on the surface of oil pan outer frame 4, limit groove 402 is equidistantly arranged on the surface of baffle support 401, partition plate 403 is movably arranged on the surface of limit groove 402, and connecting groove 404 is fixedly arranged on the two sides of oil pan outer frame 4.

[0027] Based on the above structure, the adjusting rod 201 is fixed by the sliding plate 2, then the adjusting nut 202 is installed by the adjusting rod 201, then the storage rack 203 is clamped by the two adjusting nuts 202, and then the battery shell is stored by the storage rack 203. Before the fire burning test, the height of the storage rack 203 is adjusted by screwing the adjusting nut 202 according to the flame intensity, so that the fire resistance of the battery exterior under different temperatures can be simulated, the accuracy of the fire resistance test result of the battery exterior is improved, and the baffle support 401 is installed by the oil pan outer frame 4, then the limit groove 402 is arranged by the baffle support 401, then the partition plate 403 is conveniently installed by the limit groove 402, and the combustion area of the target size is formed by disassembling the partition plate 403 around the baffle support 401 unit. In the test process, the water surface in the combustion area is burned by gasoline, the bottom water seal is used to prevent the gasoline in the combustion area from leaking to the area without gasoline, and different target size combustion areas can be formed, which not only meets the requirements of the power battery external fire burning test, but also efficiently adjusts the size of the combustion area, avoiding repeated processing of the oil pan due to different sizes of the power battery.

[0028] In one of the embodiments, the surface of the storage rack 203 is provided with a grid 204, and the grid 204 is made of steel.

[0029] Specifically, the grid 204 is installed through the storage rack 203.

[0030] In this embodiment, the battery shell is stored by the grid 204, facilitating the fire test.

[0031] In one of the embodiments, the two sides of the connecting groove 404 are provided with the moving rollers 405, which are made of stainless steel.

[0032] Specifically, the moving rollers 405 are connected through the connecting groove 404.

[0033] In this embodiment, the oil pan outer frame 4 is conveniently slid on the test bench 1 by the moving rollers 405.

[0034] In one of the embodiments, the test bench 1 is provided with the first slide rails 101, the second slide rails 102 are fixedly arranged between the first slide rails 101, and the test bench 1 is provided with the supporting legs 103 at one end.

[0035] Specifically, the first slide rails 101 and the second slide rails 102 are arranged through the test bench 1, and then the supporting legs 103 are installed on the test bench 1.

[0036] In this embodiment, the first slide rails 101 and the second slide rails 102 are used to facilitate the movement of the firebrick support 3 and the oil pan outer frame 4, and then the test bench 1 is supported by the supporting legs 103.

[0037] In one of the embodiments, the supporting legs 103 are fixedly provided with the bases 104 at one end, and the bases 104 are provided with the fixing bolts 105 at the surface.

[0038] Specifically, the supporting legs 103 are installed through the bases 104, and then the bases 104 are fixed through the fixing bolts 105.

[0039] In this embodiment, the fixing bolts 105 and the bases 104 are used in cooperation to increase the stability of the installation of the test bench 1.

[0040] In one of the embodiments, the firebrick support 3 is provided with the storage grooves 301 at the surface, and the firebrick support 3 is fixedly provided with the limiting shafts 302 at the two sides.

[0041] Specifically, the storage grooves 301 are installed through the firebrick support 3, and then the limiting shafts 302 are installed through the firebrick support 3.

[0042] In this embodiment, the firebrick support 3 is used to conveniently store the firebricks, which can assist combustion and reduce test resources.

[0043] In one of the embodiments, the surface of the limiting shaft 302 is sleeved with the pulley 303, and the pulley 303 is made of stainless steel.

[0044] Specifically, the pulley 303 is connected and installed by the limiting shaft 302.

[0045] In the embodiment, the pulley 303 is used to facilitate the movement of the firebrick support 3.

[0046] In use, the first sliding rail 101 and the second sliding rail 102 are arranged by the test table 1, the supporting leg 103 is installed by the test table 1, the supporting leg 103 is installed by the base 104, the base 104 is fixed by the fixing bolt 105, the adjusting rod 201 is fixed by the sliding plate 2, the adjusting nut 202 is installed by the adjusting rod 201, the grid 204 is installed by the storage rack 203, the storage rack 203 is clamped by the two adjusting nuts 202, the battery shell is stored by the storage rack 203, before the fire test, the height of the storage rack 203 is adjusted by screwing the adjusting nut 202 according to the flame intensity, the storage groove 301 is installed and arranged by the firebrick support 3, the limiting shaft 302 is installed by the firebrick support 3, the pulley 303 is connected and installed by the limiting shaft 302, the partition plate support 401 is installed by the oil pan outer frame 4, the limiting groove 402 is arranged by the partition plate support 401, the partition plate 403 is conveniently installed by the limiting groove 402, the moving roller 405 is connected by the connecting groove 404, and the target size of the combustion area is formed by disassembling the partition plate support 401 unit around the partition plate 403.

[0047] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A power battery external fire test machine comprising a test bed (1), characterized in that, Also include: The surface of the test bench (1) is sleeved with a sliding plate (2), the surface of the sliding plate (2) is equidistantly provided with adjusting rods (201), the surface of the adjusting rod (201) is equidistantly provided with adjusting nuts (202), the adjusting nuts (202) are movably installed between the storage racks (203), the sliding plate (2) is movably installed on the test bench (1) and is provided with a firebrick support (3) below the storage rack (203), the bottom of the firebrick support (3) is slidably installed on the test bench (1) and is provided with an oil pan outer frame (4), the surface of the oil pan outer frame (4) is provided with a partition support (401), the surface of the partition support (401) is equidistantly provided with a limiting groove (402), and the surface of the limiting groove (402) is movably provided with a partition plate (403).

2. The power battery external fire test machine according to claim 1, characterized in that: The surface of the storage rack (203) is provided with a grid (204), and the grid (204) is made of steel.

3. The power battery external fire test machine according to claim 1, characterized in that: Both sides of the oil pan outer frame (4) are fixedly provided with connecting grooves (404), and the connecting grooves (404) are provided with movable rollers (405) penetratingly, and the movable rollers (405) are made of stainless steel.

4. The power battery external fire test machine according to claim 1, characterized in that: The surface of the test bench (1) is fixedly provided with a first sliding rail (101), the first sliding rail (101) is fixedly provided with a second sliding rail (102) between them, and one end of the test bench (1) is equidistantly provided with a supporting leg (103).

5. The power battery external fire test machine according to claim 4, characterized in that: One end of the supporting leg (103) is fixedly provided with a base (104), and the surface of the base (104) is equidistantly provided with a fixing bolt (105).

6. The power battery external fire test machine according to claim 1, characterized in that: The surface of the firebrick support (3) is fixedly provided with a storage groove (301), and both sides of the firebrick support (3) are fixedly provided with a limiting shaft (302).

7. The power battery external fire test machine according to claim 6, characterized in that: The surface of the limiting shaft (302) is sleeved with a pulley (303), and the pulley (303) is made of stainless steel.

Images