KR20120075327A - Safety evaluation test apparatus - Google Patents

Abstract

PURPOSE: A safety evaluation test apparatus is provided not to need excessive inner pressure in a chamber, in case a large amount of explosive components-containing gas is generated, thereby safely exhausting combustible gas in case the explosive components-containing gas is ignited. CONSTITUTION: A safety evaluation test apparatus comprises a chamber(1) in which at least one or more sets of equipments for safety evaluation test of a crude electricity storage device are installed inside; gas supply units(10,13) installed one side part of the chamber for supplying gas from one side toward the other side. In case specific safety evaluation is conducted, the safety evaluation test apparatus is composed to discharge explosive components-containing gas, combustible gas, and scattering substances having combustibleness and corrosiveness from the gas discharge units together with gas supplied from the gas supply units.

Description

Safety evaluation test device {SAFETY EVALUATION TEST APPARATUS}

The present invention relates to a safety evaluation test apparatus for performing a predetermined safety evaluation test on a module or a pack of a power storage device (hereinafter referred to as a "column power storage device"). Here, the module refers to a combination of a plurality of power storage devices in unit of cells. In addition, a pack means the one which combined multiple modules.

For example, the lithium (Li) ion battery as a power storage device has high energy density compared with other secondary batteries, and since high output is obtained, development is vigorously progressing.

However, when an internal short circuit occurs, the Li-ion battery has a high possibility of rapid heat generation, causing the internal electrolyte solution (especially a solvent and an electrolyte) to decompose and evaporate, generating a harmful gas, or causing an explosion or explosion. The problem remains in safety.

In view of the above-mentioned problems in recent years, in a safety evaluation test method and apparatus for analyzing a gas generated when a Li-ion battery is short-circuited in an airtight booth, and also making it harmless. The related art is disclosed (for example, refer patent document 1).

International Publication No. 2006-088021 Brochure

However, the technology regarding the safety evaluation test apparatus disclosed in the said patent document 1 has the following subjects.

1) When a predetermined safety evaluation test such as a nailing test is performed on the power storage device in units of cells, the predetermined safety evaluation is possible. However, when the above-described preconstruction device is subjected to the above test, a gas containing a gas of explosive components (for example, hydrogen, ethylene, methane) is generated in a large amount in a short time, and the explosive component When ignited to a gas containing gas, high heat is generated and a large pressure is generated instantaneously. Therefore, there is a problem in that the sealed pressure booth disclosed in Patent Document 1 is insufficient in internal pressure.

2) There is also a problem that after the test, a flammable and corrosive fly product scattered from the pre-construction device is attached to the inner wall surface of the sealed pressure booth, and thus adversely affects the next test.

The object of the present invention is not only to not require excessive internal pressure in the chamber even when a large amount of gas containing explosive component gas is generated by performing a predetermined safety evaluation test on the pre-condensation device. The gas containing the gas of the explosive component is not filled in the chamber, and the combustion gas is safely discharged even when ignited to the gas containing the gas of the explosive component, and scattered from the pre-heat storage device on the inner wall of the chamber. It is to provide a safety evaluation test apparatus which does not adhere to flammable and corrosive fly products, and does not adversely affect the next test.

In order to achieve this object, the safety evaluation test apparatus according to the present invention includes a chamber in which one or more sets of facilities for conducting a predetermined safety evaluation test for a pre-construction device are provided therein, and the other end of the chamber from one end side thereof. In order to supply gas toward the side, it is provided with the gas supply means provided in the one end side of the said chamber, and the gas discharge mechanism provided in the other end side of the said chamber, and when the said predetermined safety evaluation test was done, Gas containing explosive component gas and combustion gas ignited in the gas containing explosive component gas and flammable and corrosive fly-products scattered from the pre-harvesting device are supplied from the gas supply means; Together with the gas discharge mechanism is configured to be discharged.

In the safety evaluation test apparatus of the present invention, the gas supply means provided on one end side of the chamber is provided on the lower end side of the chamber, and the gas discharge mechanism provided on the other end side of the chamber is located on the upper end side of the chamber. The gas supplied from the gas supply means provided in the lower end side of the said chamber may flow in one direction toward the upper end side from the lower end side of the said chamber.

In the safety evaluation test apparatus of the present invention, the gas supplied from the gas supply means is preferably a retardant gas, and the retardant gas may be air.

The safety evaluation test apparatus of the present invention may further be provided with an auxiliary gas supply means on the side wall of the chamber, and the gas supplied from the auxiliary gas supply means flows while rotating along the inner wall of the chamber.

In this configuration, the gas supplied from the auxiliary gas supply means is preferably a retardant gas, and the retardant gas may be air.

The safety evaluation test apparatus of the present invention is a gas containing at least one of dust, mist, harmful gas, and combustible gas generated from the pre-construction device when the predetermined safety evaluation test is performed. May be collected, integrated during generation or after completion of generation, and a gas recovery facility for analyzing the generated gas may be provided in the chamber or the gas discharge mechanism.

In the safety evaluation test apparatus of the present invention, when the predetermined safety evaluation test is carried out, it is possible to observe or record the external appearance state of the pre-construction device, and at least one of the power storage devices in the pre-construction device is burned. Alternatively, the chamber may be provided with a video surveillance facility having a facility to protect against flames, heat and scattering products generated in the event of a rupture.

The safety evaluation test apparatus of the present invention can measure or record electrical characteristics of at least any one of the current, voltage, and resistance of the pre-construction device when the predetermined safety evaluation test is carried out. The chamber may be provided with an electrical characteristic measuring device having a facility for protecting against flame, heat and scattering generated when at least one power storage device in the device is burned or ruptured.

The safety evaluation test apparatus of the present invention can measure or record the temperature, the internal pressure, and the deformation of the pre-expansion device when the predetermined safety evaluation test is carried out, and at least one of the pre-construction device. The chamber may be provided with a temperature measuring device, a pressure measuring device and a strain measuring device having a facility for protecting against flames, heat and scattering products generated when the power storage device is burned or ruptured.

In the safety evaluation test apparatus of the present invention, when the predetermined safety evaluation test includes at least one of a vibration test, a rotation test, an impact test, a crash test, and a drop test, and at least one of these tests is performed, It is possible to measure or record the acceleration of the pre-harvesting device, and also to measure the acceleration of the at least one power storage device in the pre-harvesting device. May be provided in the chamber.

In the safety evaluation test apparatus of the present invention, when the predetermined safety evaluation test is carried out, it is possible to observe or record the deformation behavior of the pre-construction device, and at least one power storage device in the pre-construction device is burned. Alternatively, the chamber may be provided with a deformation behavior monitoring device having a facility for protecting against flames, heat and scattering products generated in the event of a rupture.

In the safety evaluation test apparatus of the present invention, when the predetermined safety evaluation test is carried out, a facility capable of observing the scattering direction and the scattering speed of the scattered member when the pre-construction device ruptures or the scattered member is described above. The configuration provided in the chamber may be sufficient.

As described above, the safety evaluation test apparatus according to the present invention has a chamber in which one or more sets of facilities for conducting a predetermined safety evaluation test for the pre-construction device are provided therein, and from one end side in the chamber toward the other end side. In order to supply gas, it is provided with the gas supply means provided in the one end side of the said chamber, and the gas discharge mechanism provided in the other end side of the said chamber, and explosive generate | occur | produces from the said pre-construction device when the said predetermined safety evaluation test was done. The gas together with a gas containing a gas of a component and a combustible gas ignited in a gas containing a gas of the explosive component and a flammable and corrosive fly product scattered from the pre-construction device are supplied from the gas supply means. It is configured to discharge from the discharge mechanism. For this reason, the safety evaluation test apparatus which concerns on this invention requires a predetermined safety evaluation test with respect to an electrical storage device, and requires excessive internal pressure in a chamber, even when the gas containing a gas of explosive component generate | occur | produces in large quantities. In addition, the chamber does not fill the gas containing the gas of the explosive component, and the combustion gas is safely discharged even when the gas containing the gas of the explosive component is ignited. The flammable and corrosive fly products which scatter from the said pre-construction device on the back adhere, and do not adversely affect the next test.

1 is an explanatory diagram schematically illustrating a schematic configuration of a safety evaluation test apparatus according to a first embodiment of the present invention, (a) is a schematic plan explanatory diagram, and (b) is a safety evaluation test apparatus shown in (a). AA schematic cross-sectional schematic diagram.
FIG. 2 is a schematic explanatory view of the direction of the flow of air supplied into the chamber from the gas supply means and the auxiliary gas supply means, respectively, on the BB plane shown in FIG. 1B and viewed from above the chamber. FIG.
FIG. 3 is a schematic explanatory view of the direction of a synthetic stream in which the respective air flows shown in FIG. 2 are synthesized, seen from the front of the chamber. FIG.
It is a schematic cross-sectional explanatory drawing of the safety evaluation test apparatus of 2nd Embodiment of this invention.
It is a schematic cross-sectional explanatory drawing of the safety evaluation test apparatus of 3rd embodiment of this invention.
It is a schematic cross-sectional explanatory drawing of the safety evaluation test apparatus of 4th Embodiment of this invention.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described, referring an accompanying drawing.

1 is an explanatory diagram schematically illustrating a schematic configuration of a safety evaluation test apparatus according to a first embodiment of the present invention, (a) is a schematic plan explanatory diagram, and (b) is a safety evaluation test apparatus shown in (a). 2 is a schematic cross-sectional explanatory diagram of FIG. 2. FIG. 2 shows the direction of the flow of air supplied into the chamber from the gas supply means and the auxiliary gas supply means, respectively, as viewed from the BB plane shown in FIG. FIG. 3: is a schematic explanatory drawing which looked at the direction of the synthetic stream which the flow of each air shown in FIG. 2 synthesize | combined from the front of a chamber.

In Fig. 1, reference numeral 1 denotes a chamber having a height of 5m, 1a denotes a base concrete portion constituting the lower end of the chamber 1, 1b denotes a metal sidewall portion of the chamber 1 having an internal diameter of 4m, and 1c denotes a metal sidewall portion. Li-ion battery module 3, 4, 5, 6, 7, 8 as a storage device connected to (1b), the upper end made of metal having an opening in the center, 2 is a base disposed on the base concrete portion 1a; The pipes 10 and 13 opened in (1) and embedded in the base concrete portion 1a upwards are connected to the pipes 3 and 6, respectively, and the lower end side of the chamber 1 (basic concrete portion ( Gas supply means, 20, 21, 22, 23, 24, 25, 26, 27, which are provided in the lower void of 1a), are opened in the chamber 1 and have a predetermined angle to the metal side wall portion 1b. Connected pipes 30, 31, 32, 33, 34, 35, 36, 37 are auxiliary gas supply means connected to pipes 20, 21, 22, 23, 24, 25, 26, 27, respectively, 40 is made of metal Connected to the opening of the upper end 1c of the The L-shaped piping 50 is an exhaust facility connected to the piping 40. In addition, the gas discharge mechanism is composed of an L-shaped pipe 40 and an exhaust facility 50 connected to the opening of the metal upper end portion 1c. In addition, similarly to the pipes 3 and 6, the gas supply means is connected to the pipes 4, 5, 7, 8, respectively, and is provided (not shown).

Next, the operation of the safety evaluation test apparatus according to the present invention shown in FIG. 1 will be described.

(1) As described above, after the Li-ion battery module 2 is installed in the chamber 1, a facility for conducting a predetermined safety evaluation test, a related apparatus, and the like are set.

(2) The power supply of the exhaust installation 50 is turned on.

(3) Turn on power such as gas supply means 10 and 13. As a result, air is supplied into the chamber 1 from the pipes 3, 4, 5, 6, 7, 8, and as shown by 3a, 4a, 5a, 6a, 7a, and 8a of FIG. It flows in almost one direction from the lower end side of the chamber 1 toward the upper end side (vertical upward with respect to the ground).

(4) The auxiliary gas supply means 30, 31, 32, 33, 34, 35, 36, 37 is turned on. Thereby, air is supplied into the chamber 1 from piping 20, 21, 22, 23, 24, 25, 26, 27, and the code | symbol 20a, 21a, 22a, 23a, 24a, 25a, 26a of FIG. As shown by 27a, air flows while rotating along the inner wall of the metal side wall portion 1b.

(5) The respective air flows described in (3) and (4) are synthesized, and the composite flows along the inner wall of the metal side wall portion 1b as indicated by reference numeral (a) shown in FIG. The predetermined safety evaluation test is performed in the state which flowed toward the upper end side from the lower end side. Thereby, the gas containing the explosive component gas (for example, hydrogen, ethylene, methane) which generate | occur | produces from the Li ion battery module 2 when the said predetermined safety evaluation test was done, and the gas of the explosive component are included. Combustion gases ignited in the gas to be flammable and flammable products scattered from the Li-ion battery module 2 include gas supply means 10 and 13 or auxiliary gas supply means 30, 31, 32 and 33. Together with air supplied from, 34, 35, 36, 37, the gas is discharged from a gas discharge mechanism composed of an L-shaped pipe 40 connected to the opening of the upper end portion 1c of metal and an exhaust facility 50.

Therefore, even if a large amount of gas containing the gas of the said explosive component generate | occur | produces by performing predetermined safety evaluation test with respect to the Li ion battery module 2, the chamber 1 requires excessive internal pressure. In addition, the chamber 1 is not filled with the gas containing the gas of the explosive component, and the combustion gas is safely discharged even when the gas containing the gas of the explosive component is ignited. The flammable and corrosive fly products scattered from the Li-ion battery module 2 are attached to the inner wall surface of the c), and a safety evaluation test apparatus without adversely affecting the next test can be realized.

Moreover, as said predetermined safety evaluation test, a nailing test, a vibration test, a rotation test, an impact test, a crush test, an overcharge test, an overdischarge test, an imbalance charge test, an insulation test, an altitude test, a temperature test, a vibration test, External short circuit test, partial short test, reverse charge test, collision test, forced discharge test, drop test, charge and discharge test, lamination test, heating test, thermal shock test, combustion test, UV test, ozone resistance, moisture resistance test, At least one of the test and the abnormal driving test is performed.

In addition, in this embodiment, although the Li ion battery module was demonstrated to the example as a pre-construction storage device, it is not necessarily limited to this, The module and pack of secondary batteries, such as a Li ion battery pack and a nickel hydrogen battery, an electrolytic capacitor, Modules and packs of capacitors, such as electric double layer capacitors, and lithium ion capacitors, are also subject.

In addition, in this embodiment, although the example which supplied air from the gas supply means 10 and 13 etc. and the auxiliary gas supply means 30, 31, 32, 33, 34, 35, 36, 37 was demonstrated, it is necessarily It is not limited to this, The combustion gas which ignites the gas containing the gas of the explosive component and the gas containing the explosive component of gas which generate | occur | produce from the Li-ion battery module 2 when the said predetermined safety evaluation test was done. And flammable and corrosive fly products scattered from the Li-ion battery module 2 are supplied from only gas supply means (for example, from the lower end side of the chamber 1 toward the upper end side, in almost one direction). Flowing air], even if it is a structure discharged from the gas discharge mechanism provided in the upper end side of the chamber 1, the objective of this invention can be achieved. However, by providing an auxiliary gas supply means further, the effect of preventing the attachment of flammable and corrosive fly products scattered from the Li ion battery module 2 to the inner wall surface of the chamber 1 is further improved.

In addition, in this embodiment, although the example which installed the gas supply means in the lower end side of the chamber 1 and provided the gas discharge mechanism in the upper end side of the chamber 1 was demonstrated, it is not necessarily limited to this. . That is, the gas supply means provided in the one end side of the said chamber, and the gas discharge mechanism provided in the other end side of the said chamber in order to supply gas from one end side in the chamber to the other end side, The said predetermined safety evaluation test When this is done, the gas containing the gas of the explosive component generated from the preconstruction device and the combustion gas ignited in the gas containing the gas of the explosive component, and the flammable and corrosive by-products scattered from the preconstruction device are If it is comprised so that it may discharge from the said gas discharge mechanism with the gas supplied from the said gas supply means, the objective of this invention can be achieved. In addition, in this embodiment, although the example in which air is supplied into the chamber 1 from the piping 3, 4, 5, 6, 7, 8 was demonstrated, it is not necessarily limited to this. For example, various configurations are possible, such as supplying air into the chamber through grating.

In addition, in this embodiment, since air is used as gas supplied from the gas supply means 10, 13, etc., and auxiliary gas supply means 30, 31, 32, 33, 34, 35, 36, 37, This has the advantage that there is no shortage of air in the case of completely burning the pre-compression storage device in the chamber 1. In addition, although air was described as an example in this embodiment, it is not necessarily limited to this, If it is a retardant gas, it exhibits the same effect.

In addition, in this embodiment, although the example comprised by the L-shaped piping 40 and the exhaust installation 50 connected to the opening part of the metal upper end part 1c as a gas discharge mechanism was demonstrated, it is necessarily limited to this. For example, various configurations are conceivable, for example, the opening of the upper end portion 1c made of metal as a gas discharge mechanism, or the combination of the opening and the pipe 40 as a gas discharge mechanism. However, similarly to the present embodiment, when the exhaust device 50 is provided in the gas discharge mechanism, a predetermined safety evaluation test is performed on the pre-condensation device, so that even when a large amount of gas containing the gas of the explosive component is generated. In addition, the chamber does not require excessive internal pressure, and the gas containing the gas of the explosive component is not filled in the chamber, and even when the gas is ignited to the gas containing the gas of the explosive component, The effect of optimizing and safely discharging is also improved, and also to prevent the attachment of flammable and corrosive scattering products scattered from the pre-heating device to the inner wall surface of the chamber and the like.

In addition, when ignition is carried out on the gas containing the above explosive gas, and the combustion gas increases the pressure in the chamber, for example, a safety valve is provided in the middle of the L-shaped pipe 40 path. A configuration for relief of excess combustion gas is also possible. In addition, a harmless treatment facility may be provided at the rear end of the exhaust facility 50 to decompose the gas containing the explosive gas, the combustion gas, or the fly ash.

In addition, like the safety evaluation test apparatus according to the second embodiment of the present invention shown in FIG. 4, when the predetermined safety evaluation test is carried out, dust and mist generated from the pre- storage device, noxious gas, or flammable gas are collected. It is also possible to set the structure in which the chamber 1 is equipped with the gas collection | recovery installation 60 for collecting the gas to contain and analyzing a gas continuously during generation, or analyzing a generated gas after completion | finish of generation.

Moreover, the safety evaluation test apparatus which concerns on this invention can also be set as the structure with which the gas recovery facility 60 was equipped in the piping 40 of a gas discharge mechanism like 3rd Embodiment of this invention shown in FIG. Do.

Moreover, the safety evaluation test apparatus which concerns on this invention observes or records the external appearance state of an electrical storage device, when said predetermined safety evaluation test is performed like 3rd Embodiment of this invention shown in FIG. In addition, the chamber 1 is provided with a video surveillance facility 70 having a facility for protecting against flame, heat, and scattering products generated when at least one power storage device in the storage device is burned or ruptured. It is also possible to make the configuration.

In addition, when the predetermined safety evaluation test is performed, it is possible to measure or record at least one electrical characteristic of the current, voltage, and resistance of the power storage device, and at least one power storage device in the power storage device. It is also possible to set it as the structure provided in the said chamber with the electrical characteristic measuring apparatus which has a facility which protects from the flame, heat, and a fly-off which generate | occur | produces when a device burns or ruptures.

In addition, when the predetermined safety evaluation test is carried out, it is possible to measure or record the temperature, internal pressure, and deformation of the pre-compression storage device, and at least one power storage device in the pre-compression storage device is burned or ruptured. The temperature measuring device, the pressure measuring device, and the strain measuring device having a facility for protecting against fire, heat, and scattering generated in the case may be provided in the chamber as in the video surveillance facility 70. .

In addition, when said predetermined safety evaluation test is a vibration test, a rotation test, an impact test, a collision test, and a drop test, and at least any one of these tests is performed, it is possible to measure or record the acceleration of an electrical storage device, In addition, an acceleration measuring device having a facility for protecting against flame, heat, and scattering generated when at least one power storage device in the power storage device is burned or ruptured, similar to the video surveillance device 70, It is also possible to set it as the structure provided in the chamber.

In addition, when the predetermined safety evaluation test is carried out, it is possible to observe or record the deformation behavior of the power storage device, and also occur when at least one power storage device in the power storage device is burned or ruptured. It is also possible to make the structure of the deformation | transformation behavior observation apparatus which has a facility which protects from a flame, heat | fever, and a scattering | disassembly similarly to the said video surveillance installation 70 in the said chamber.

In addition, in the case where the predetermined safety evaluation test is carried out, an apparatus capable of observing the scattering direction and the scattering speed of the scattered member when the pre-construction device ruptures or the scattered member is the video surveillance equipment 70. Similarly, the configuration provided in the chamber is also possible.

1: chamber
1a: foundation concrete
1b: side wall
1c: upper part
2: Li-ion battery module
3, 4, 5, 6, 7, 8, 20, 21, 22, 23, 24, 25, 26, 27, 40: piping
10, 13: gas supply means
30, 31, 32, 33, 34, 35, 36, 37: auxiliary gas supply means
50: exhaust equipment
60 gas recovery equipment
70: video surveillance equipment

Claims (13)

A chamber provided with one or more sets of facilities for conducting a predetermined safety evaluation test on the pre-construction device, and a gas provided at one end side of the chamber to supply gas from one end side to the other end side in the chamber; It is provided with a supply means and the gas discharge mechanism provided in the other end side of the said chamber,
Combustion gas ignited from the gas containing the explosive component and the gas containing the explosive component and the flammability which are scattered from the said pre-expansion device when the said predetermined safety evaluation test was done, and A safety evaluation test apparatus, characterized in that the corrosive fly ash is configured to be discharged from the gas discharge mechanism together with the gas supplied from the gas supply means. The gas supply means provided in the one end side of the said chamber is provided in the lower end side of the said chamber, and the gas discharge mechanism provided in the other end side of the said chamber is provided in the upper end side of the said chamber, The gas supplied from the gas supply means provided in the lower end side of a chamber is comprised so that it may flow in one direction toward the upper end side from the lower end side of the said chamber, The safety evaluation test apparatus characterized by the above-mentioned. The safety evaluation according to claim 2, wherein an auxiliary gas supply means is further provided on the side wall of the chamber, and the gas supplied from the auxiliary gas supply means is configured to flow while rotating along the inner wall of the chamber. tester. The safety evaluation test apparatus according to claim 1, wherein the gas supplied from the gas supply means is a retardant gas. The safety evaluation test apparatus according to claim 3, wherein the gas supplied from the auxiliary gas supply means is a retardant gas. The safety evaluation test apparatus according to claim 4 or 5, wherein the retardant gas is air. The gas according to claim 1, wherein when the predetermined safety evaluation test is carried out, a gas containing at least one of dust, mist, harmful gas, and combustible gas generated from the pre-construction device is collected, and continuously during generation. Or a gas recovery facility for integrating after the end of generation and analyzing the generated gas is provided in the chamber or the gas discharge mechanism. 2. The method according to claim 1, wherein when the predetermined safety evaluation test is carried out, it is possible to observe or record the appearance state of the pre-power storage device, and at least one power storage device in the power storage device is burned or ruptured. A safety evaluation test apparatus, characterized in that the chamber is provided with a video surveillance facility having a facility for protection from fire, heat and fly-offs generated in the case. The electrical storage device according to claim 1, wherein when the predetermined safety evaluation test is carried out, it is possible to measure or record at least one of an electrical characteristic of a current, voltage, and resistance of the power storage device, and at least in the power storage device. A safety evaluation test apparatus, characterized in that the chamber is provided with an electrical property measurement facility having a facility for protecting against flame, heat, and scattering products generated when one power storage device is burned or ruptured. The power storage device according to claim 1, wherein when the predetermined safety evaluation test is carried out, it is possible to measure or record the temperature, the internal pressure, and the deformation of the power storage device, and at least one power storage device in the power storage device is A safety evaluation test apparatus, characterized in that the chamber is provided with a temperature measuring device, a pressure measuring device, and a strain measuring device having a facility for protecting against flame, heat, and scattering products generated when burned or ruptured. The pre-contraction storage device according to claim 1, wherein the predetermined safety evaluation test includes at least one of a vibration test, a rotation test, an impact test, a crash test, and a drop test, and when at least one of these tests is performed. It is possible to measure or record the acceleration of the chamber, and further comprising an acceleration measuring apparatus having a facility for protecting against flame, heat, and scattering which occurs when at least one of the power storage devices in the power storage device is burned or ruptured. It is a structure provided in the, The safety evaluation test apparatus. The method according to claim 1, wherein when the predetermined safety evaluation test is carried out, it is possible to observe or record the deformation behavior of the power storage device, and at least one power storage device in the power storage device is burned or ruptured. A safety evaluation test apparatus, characterized in that the deformation behavior observation facility having a facility for protection from fire, heat and fly-offs generated in the case is provided in the chamber. The apparatus according to claim 1, wherein, in the case where the predetermined safety evaluation test is performed, the chamber is provided with a device capable of observing the scattering direction and the scattering speed of the scattered member when the pre-construction device is broken or the scattered member. The safety evaluation test apparatus characterized by the above-mentioned structure.

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