CN115266826B - Flexible gas generator performance testing device and method and vehicle - Google Patents
Flexible gas generator performance testing device and method and vehicle Download PDFInfo
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- CN115266826B CN115266826B CN202211170214.4A CN202211170214A CN115266826B CN 115266826 B CN115266826 B CN 115266826B CN 202211170214 A CN202211170214 A CN 202211170214A CN 115266826 B CN115266826 B CN 115266826B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
- G01N25/54—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility by determining explosibility
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention relates to the technical field of automobile safety tests, and particularly discloses a performance test device and a performance test method for a flexible gas generator and a vehicle, wherein the performance test device comprises a lower cylinder body and an explosion-proof cover, wherein the lower end of the explosion-proof cover is connected with a hasp; the flexible fabric cover is connected to the opening of the explosion-proof cover far away from the exhaust hole, and when in test, the flexible fabric cover and the lower cylinder form a test cavity; the three pressure sensor accommodating cavities are formed in the side wall of the lower cylinder body and used for installing and connecting the pressure sensors; the air valve interface is used for pumping out internal air before an experiment and releasing air after the experiment, the expansion of the safety air bag can be simulated before the design of the safety air bag is frozen through the device and the testing method, the pressure data of each point position can be recorded through the pressure sensor, the pressure distribution, the gas production rate, the gas production speed and the like in the safety air bag can be tested, the device and the method can be used for repeated testing, and valuable reference data can be provided for the model selection, the design, the optimization and the evaluation of the safety air bag of the whole vehicle.
Description
Technical Field
The invention relates to the technical field of automobile safety testing, in particular to a device and a method for testing the performance of a flexible gas generator and a vehicle.
Background
The gas generator is a core component of the safety airbag, high-temperature and high-pressure gas is generated by igniting internal medicines, so that the airbag fabric is rapidly expanded and unfolded under the action of pressure, and further, the impact energy of a human body is buffered through the compressibility of the gas and the air leakage of the airbag, and the injury of the human body is reduced. The protection effect of the air bag is directly influenced by the speed and the temperature of the gas generated by the gas generator, and the protection effect is also an important reference for model selection in the automobile development stage.
The testing method in the prior art is to fix the gas generator in a rigid closed container for detonation, and analyze the gas production performance of the generator by collecting the pressure in the container. The method is difficult to distinguish the difference between different models, and meanwhile, the difference between the pressure change in the closed container and the actual expansion process of the air bag is large, so that the actual pressure change process in the expansion process of the air bag cannot be reflected.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a device and a method for testing the performance of a flexible gas generator and a vehicle.
The flexible gas generator performance test device according to the embodiment of the first aspect of the invention includes:
the outer surface of the upper end of the explosion-proof cover is provided with a plurality of exhaust holes;
the lower cylinder body is in snap connection with the lower end of the explosion-proof cover and is fixed on the experiment table or the bracket;
the flexible woven cover is connected to the opening of the explosion-proof cover far away from the exhaust hole, and during testing, the flexible woven cover and the lower cylinder body form a testing cavity;
the pressure sensor accommodating cavities are formed in the side wall of the lower cylinder body and are connected with pressure sensors in an installing mode;
the air valve interface is arranged on the side wall of the lower cylinder body far away from the explosion-proof cover and can be used for pumping out internal air before an experiment and deflating after the experiment;
and the gas generator is fixed on the bottom wall of the lower cylinder body.
According to the performance testing device of the flexible gas generator, the flexible fabric cover in the anti-explosion cover and the lower cylinder body form the testing cavity during testing, the safety airbag can be simulated to release when different gas generators are selected, in the process of releasing gas by the gas generators, the pressure in the testing cavity is collected by the aid of the pressure sensors, and respective pressure data is recorded.
According to some embodiments of the invention, a sealing gasket is arranged at the joint of the explosion-proof cover and the lower cylinder body, so that the release process of the safety airbag can be simulated more closely.
According to some embodiments of the invention, the explosion-proof cover is connected with the lower cylinder body through the quick clamp, so that the test is simple and convenient to install and disassemble, and the efficient repeated test is facilitated.
According to some embodiments of the invention, a gas generator fixing tool is installed inside the lower cylinder body and used for fixing the gas generator.
According to some embodiments of the invention, the side wall of the bottom of the lower cylinder body is provided with a wiring harness outlet, so that electrical connection of equipment in the lower cylinder body is facilitated.
According to some embodiments of the invention, the top of the explosion-proof cover is provided with a plurality of exhaust holes distributed in a circular array for exhausting redundant air between the explosion-proof cover and the flexible woven cover in the explosion ignition process.
According to some embodiments of the invention, a plurality of corner holes are uniformly formed in the side wall of the explosion-proof cover close to the exhaust hole, so that auxiliary air removal is facilitated.
According to some embodiments of the invention, the flexible fabric cover is of a complete non-open cell type, and the flexible fabric cover can be attached to the inner wall of the explosion-proof cover when tested.
According to some embodiments of the invention, the flexible fabric cover is provided with a plurality of simulation vent holes for simulating different vent hole airbags and measuring the influence of the vent holes on the internal pressure of the airbags.
According to the performance test method of the flexible gas generator in the second aspect of the invention, the performance test device of the flexible gas generator in the above embodiment is adopted, which includes the following contents:
weighing the gas generator to be measured and recording the mass m 0 ；
Arranging a flexible gas generator performance test scene;
connecting an air valve interface at the bottom of the lower cylinder body into a vacuum pump, enabling the vacuum pump to work and pump out redundant air in a test cavity formed by the flexible fabric cover at the bottom of the explosion-proof cover and the lower cylinder body, enabling the flexible fabric cover to be tightly attached to the inner wall of the lower cylinder body at the moment, and enabling the air volume between the flexible fabric cover and the lower cylinder body to be zero for simulating the initial state of the safety airbag;
closing a vacuum valve switch of the vacuum pump;
the explosion-proof device is used for igniting the gas generator, high-pressure gas is released from the gas generator, so that the flexible fabric cover expands and moves upwards under the action of pressure and enters the explosion-proof cover from the lower cylinder body; furthermore, the flexible fabric cover is tightly attached to the explosion-proof cover under the action of gas pressure, and at the moment, a gas generation performance test space of the gas generator reaches a design volume and is basically kept unchanged, so that the flexible fabric cover is used for simulating the complete unfolding state of the safety airbag;
collecting a pressure value in an experimental process through a pressure sensor, recording pressure sensor data by using data collection equipment, and storing the data;
opening a vacuum valve switch to discharge gas in the test chamber, weighing the gas generator after the gas generator is cooled, and recording the mass m of the gas generator after the experiment 1 ；
Calculating the total mass delta m of the generated gas of the gas generator: Δ m = m 0 -m 1 ；
The flexible gas generator performance test method ends.
According to some embodiments of the invention, the arranging a flexible gas generator performance test scenario specifically comprises:
connecting a gas generator to be tested to an explosion wire harness at the bottom of the lower cylinder body, wherein the explosion wire harness is connected with external explosion equipment;
fixing the gas generator on a tool clamp at the bottom of the lower cylinder body;
fixing a pressure sensor in a pressure sensor accommodating cavity of a lower cylinder body, and electrically connecting the pressure sensor with data acquisition equipment;
and closing the explosion-proof cover, and clamping and sealing the explosion-proof cover and the lower cylinder body by using a quick clamp to finish the arrangement work of the performance test scene of the flexible gas generator.
According to the performance test method of the flexible gas generator, disclosed by the embodiment of the invention, through the performance test device of the flexible gas generator, the expansion of the safety airbag can be simulated before the design of the safety airbag is frozen, the pressure data of each point position is recorded by utilizing the pressure sensor, the pressure distribution, the gas production rate, the gas production speed and the like in the safety airbag can be tested, the device can be repeatedly tested, and valuable reference data can be provided for the model selection, design, optimization and evaluation of the safety airbag of an automobile.
A vehicle according to an embodiment of the third aspect of the invention includes a vehicle airbag, and a gas generator of the vehicle airbag is tested using the above-described flexible gas generator performance test method.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic overall view of a flexible gas generator performance testing apparatus according to an embodiment of the present invention;
FIG. 2 is a plan view of the entirety of a flexible gas generator performance testing apparatus according to an embodiment of the present invention;
FIG. 3 is an overall plan view of a flexible gas generator performance testing apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a flexible gas generator performance testing apparatus according to an embodiment of the present invention before testing;
FIG. 5 is a schematic view of a flexible gas generator performance testing apparatus according to an embodiment of the present invention during testing;
FIG. 6 is a schematic view of a flexible fabric cover vent in accordance with an embodiment of the present invention.
Reference numerals are as follows:
100. an explosion-proof cover; 200. a lower cylinder body; 300. a flexible fabric cover; 400. a pressure sensor receiving cavity; 500. an air valve interface; 600. a gas generator;
110. an exhaust hole;
210. and (5) rapidly clamping.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, and it is to be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1 to 5, the present embodiment provides a performance testing apparatus for a flexible gas generator, including:
a plurality of exhaust holes 110 are distributed on the outer surface of the upper end of the explosion-proof cover 100; the lower cylinder body 200 is in snap connection with the lower end of the explosion-proof cover 100, the lower cylinder body 200 is fixed on an experiment table or a bracket, a sealing washer is arranged at the joint of the explosion-proof cover 100 and the lower cylinder body 200, and a gas generator fixing tool is arranged in the lower cylinder body 200 and used for fixing the gas generator 600; the flexible woven cover 300 is connected to the opening of the explosion-proof cover 100 far away from the exhaust hole 110, and during testing, the flexible woven cover 300 and the lower cylinder body 200 form a testing cavity; the three pressure sensor accommodating cavities 400 are formed in the side wall of the lower cylinder body 200 and used for installing and connecting pressure sensors; the air valve interface 500 is arranged on the side wall of the lower cylinder body 200 far away from the explosion-proof cover 100 and can be used for pumping out internal air before an experiment and deflating after the experiment; the gas generator 600 is fixed to the bottom wall of the lower cylinder 200.
Specifically, the explosion proof housing 100 is connected with the lower cylinder 200 by a quick clamp 210.
Specifically, the side wall of the bottom of the lower cylinder body 200 is provided with a wire harness outlet, which is convenient for the electrical connection of equipment in the lower cylinder body 200.
According to the performance testing device of the flexible gas generator, the flexible fabric cover in the anti-explosion cover and the lower cylinder body form the testing cavity during testing, the safety airbag can be simulated to release when different gas generators are selected, respective pressure data are recorded, the device can be used for repeated testing, and valuable reference data can be provided for type selection, design, optimization and evaluation of the automobile safety airbag.
Example 2
As shown in fig. 3, in this embodiment, on the basis of embodiment 1, a plurality of exhaust holes 110 distributed in a circular array are formed in the top of the explosion-proof cover 100, so as to exhaust excess air between the explosion-proof cover 100 and the flexible fabric cover 300 during the explosion process; the side wall of the explosion-proof cover 100 close to the exhaust hole 110 is uniformly provided with a plurality of angle holes, which is convenient for auxiliary air removal.
Example 3
In the present embodiment, as shown in fig. 4 and 5, based on the above embodiments, the flexible fabric cover 300 is of a complete non-open type, and the flexible fabric cover 300 can be attached to the inner wall of the explosion-proof cover 100 during the test.
Example 4
As shown in fig. 6, the flexible fabric cover 300 is provided with two simulation vent holes for simulating airbags with different vent holes and measuring the influence of the vent holes on the internal pressure of the airbag.
Example 5
The embodiment provides a method for testing the performance of a flexible gas generator, which adopts the device for testing the performance of the flexible gas generator according to the embodiment, and comprises the following steps:
weighing the gas generator to be measured and recording the mass m 0 ；
Arranging a flexible gas generator performance test scene;
connecting an air valve interface at the bottom of the lower cylinder body into a vacuum pump, enabling the vacuum pump to work and pump out redundant air in a test cavity formed by the flexible fabric cover at the bottom of the explosion-proof cover and the lower cylinder body, enabling the flexible fabric cover to be tightly attached to the inner wall of the lower cylinder body at the moment, and enabling the air volume between the flexible fabric cover and the lower cylinder body to be zero for simulating the initial state of the safety airbag;
closing a vacuum valve switch of the vacuum pump;
the explosion-proof device is used for igniting the gas generator, high-pressure gas is released from the gas generator, so that the flexible woven cover expands and moves upwards under the action of pressure and enters the explosion-proof cover from the lower cylinder body; furthermore, the flexible fabric cover is tightly attached to the explosion-proof cover under the action of gas pressure, and at the moment, a gas generation performance test space of the gas generator reaches a design volume and is basically kept unchanged, so that the flexible fabric cover is used for simulating the complete unfolding state of the safety airbag;
collecting pressure values in the experiment process through a pressure sensor, recording pressure sensor data by using data collection equipment, and storing the data;
opening a vacuum valve switch to discharge gas in the test chamber, weighing the gas generator after the gas generator is cooled, and recording the mass m of the gas generator after the experiment 1 ；
Calculating the total mass delta m of the generated gas of the gas generator: Δ m = m 0 -m 1 ；
The flexible gas generator performance test method ends.
Specifically, the flexible gas generator performance test scenario includes:
connecting a gas generator to be tested to an explosion wire harness at the bottom of the lower cylinder body, wherein the explosion wire harness is connected with external explosion equipment;
fixing the gas generator on a tool clamp at the bottom of the lower cylinder body;
fixing a pressure sensor in a pressure sensor accommodating cavity of the lower cylinder body, and electrically connecting the pressure sensor with data acquisition equipment;
and closing the explosion-proof cover, and clamping and sealing the explosion-proof cover and the lower cylinder body by using a quick clamp to finish the arrangement work of the performance test scene of the flexible gas generator.
According to the performance testing method of the flexible gas generator, disclosed by the embodiment of the invention, the expansion of the safety airbag can be simulated before the design of the safety airbag is frozen through the performance testing device of the flexible gas generator, the pressure data of each point position is recorded by utilizing the pressure sensor, the pressure distribution, the gas production rate, the gas production speed and the like in the safety airbag can be tested, the device can be used for carrying out repeated tests, and valuable reference data can be provided for the type selection, design, optimization and evaluation of the automobile safety airbag.
Example 6
The embodiment provides a vehicle comprising a vehicle airbag, and the gas generator of the vehicle airbag is tested by adopting the flexible gas generator performance testing device and the flexible gas generator performance testing method.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A flexible gas generator performance testing device is characterized by comprising:
the explosion-proof cover (100), the outer surface of the upper end of the explosion-proof cover (100) is distributed with a plurality of exhaust holes (110);
the lower cylinder body (200), the lower cylinder body (200) is in snap connection with the lower end of the explosion-proof cover (100);
the flexible woven cover (300) is connected to the opening of the explosion-proof cover (100) far away from the exhaust hole (110), and during testing, the flexible woven cover (300) and the lower cylinder body (200) form a testing cavity;
the pressure sensor accommodating cavities (400) are arranged on the side wall of the lower cylinder body (200), and the pressure sensor accommodating cavities (400) are connected with pressure sensors in an installing mode;
the air valve interface (500), the air valve interface (500) is arranged on the side wall of the lower cylinder body (200) far away from the explosion-proof cover (100);
the gas generator (600), the gas generator (600) is fixed on the bottom wall of the lower cylinder body (200).
2. The flexible gas generator performance testing device of claim 1, wherein the flexible fabric cover (300) is of a full, non-apertured type.
3. The device for testing the performance of the flexible gas generator as claimed in claim 1, wherein the flexible fabric cover (300) is provided with a plurality of simulated exhaust holes.
4. The flexible gas generator performance testing device of claim 1, wherein a sealing gasket is arranged at the joint of the explosion-proof cover (100) and the lower cylinder body (200); the explosion-proof cover (100) is connected with the lower cylinder body (200) through a quick clamp (210).
5. The flexible gas generator performance testing device as claimed in claim 4, wherein the top of the explosion-proof cover (100) is provided with a plurality of exhaust holes (110) distributed in a circular array.
6. The flexible gas generator performance testing device of claim 5, wherein a plurality of angle holes are uniformly formed on the side wall of the explosion-proof cover (100) close to the exhaust hole (110).
7. The flexible gas generator performance testing device as claimed in claim 1, wherein the lower cylinder (200) is provided with a wiring harness outlet at a bottom side wall thereof.
8. A method for testing the performance of a flexible gas generator using the flexible gas generator performance testing device according to any one of claims 1 to 7, comprising:
weighing the gas generator to be measured and recording the mass m 0 ；
Arranging a flexible gas generator performance test scene;
connecting an air valve interface at the bottom of the lower cylinder body into a vacuum pump, enabling the vacuum pump to work and pump out redundant air in a test cavity formed by the flexible fabric cover at the bottom of the explosion-proof cover and the lower cylinder body, enabling the flexible fabric cover to be tightly attached to the inner wall of the lower cylinder body at the moment, and enabling the air volume between the flexible fabric cover and the lower cylinder body to be zero for simulating the initial state of the safety airbag;
closing a vacuum valve switch of the vacuum pump;
the explosion-proof device is used for igniting the gas generator, high-pressure gas is released from the gas generator, so that the flexible woven cover expands and moves upwards under the action of pressure and enters the explosion-proof cover from the lower cylinder body; furthermore, the flexible fabric cover is tightly attached to the explosion-proof cover under the action of gas pressure, and at the moment, a gas generation performance test space of the gas generator reaches a design volume and is basically kept unchanged, so that the flexible fabric cover is used for simulating the complete unfolding state of the safety airbag;
collecting a pressure value in an experimental process through a pressure sensor, recording pressure sensor data by using data collection equipment, and storing the data;
opening a vacuum valve switch to discharge gas in the test chamber, weighing after the gas generator is cooled, and recording the mass m of the gas generator after the experiment 1 ；
Calculating the total mass delta m of the generated gas of the gas generator: Δ m = m 0 -m 1 ；
The flexible gas generator performance test method ends.
9. The method for testing the performance of the flexible gas generator according to claim 8, wherein the arranging of the flexible gas generator performance test scenario specifically comprises:
connecting a gas generator to be tested to an explosion wire harness at the bottom of the lower cylinder body, wherein the explosion wire harness is connected with external explosion equipment;
fixing the gas generator on a tool clamp at the bottom of the lower cylinder body;
fixing a pressure sensor in a pressure sensor accommodating cavity of the lower cylinder body, and electrically connecting the pressure sensor with data acquisition equipment;
and closing the explosion-proof cover, and clamping and sealing the explosion-proof cover and the lower cylinder body by using a quick clamp to complete the arrangement work of a performance test scene of the flexible gas generator.
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| CN202211170214.4A CN115266826B (en) | 2022-09-26 | 2022-09-26 | Flexible gas generator performance testing device and method and vehicle |
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| CN202211170214.4A CN115266826B (en) | 2022-09-26 | 2022-09-26 | Flexible gas generator performance testing device and method and vehicle |
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| CN102788705B (en) * | 2012-08-08 | 2014-12-24 | 吉林大学 | Test bench for comprehensive test of automotive safety airbag |
| CN205910011U (en) * | 2016-07-20 | 2017-01-25 | 浙江吉利控股集团有限公司 | Car air bag gas generator's point explodes test device |
| CN206056911U (en) * | 2016-09-08 | 2017-03-29 | 上海惠太汽车安全气袋制造有限公司 | The performance testing device of automobile safety air bag gas generator |
| CN209833561U (en) * | 2019-03-18 | 2019-12-24 | 厦门理工学院 | Air bag device at front part of automobile and automobile |
| CN110103645A (en) * | 2019-05-28 | 2019-08-09 | 黄河水利职业技术学院 | A kind of safety device and control method of automotive tire burst |
| JP2022007402A (en) * | 2020-06-26 | 2022-01-13 | 本田技研工業株式会社 | Air bag device, controlling method of air bag device, and control system of air bag device |
| CN214173748U (en) * | 2020-12-28 | 2021-09-10 | 云度新能源汽车股份有限公司 | Detection apparatus for detect car air bag and pop out |
| CN213714734U (en) * | 2020-12-31 | 2021-07-16 | 四川华瑞雅汽车安全科技有限公司 | Test bed for safety airbag |
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| KR20060038200A (en) * | 2004-10-29 | 2006-05-03 | 현대자동차주식회사 | Airbag collision capacity test apparatus for car |
| TW201231328A (en) * | 2011-01-17 | 2012-08-01 | Gsk Intek Co Ltd | Airbag testing system |
| CN204788961U (en) * | 2015-05-27 | 2015-11-18 | 合肥江淮太航常青汽车安全***有限公司 | Air bag assists testing arrangement |
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| CN115266826A (en) | 2022-11-01 |
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