CN113791288A - Air bag ignition test system - Google Patents
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- CN113791288A CN113791288A CN202110915897.0A CN202110915897A CN113791288A CN 113791288 A CN113791288 A CN 113791288A CN 202110915897 A CN202110915897 A CN 202110915897A CN 113791288 A CN113791288 A CN 113791288A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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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
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Abstract
The embodiment of the invention discloses an ignition test system of an air bag, which comprises: the ignition device comprises a controller, an image acquisition device, an air bag, an ignition chip and a first ignition loop; the controller is used for sending an ignition instruction to the ignition chip and sending an image acquisition instruction to the image acquisition device; the ignition chip is used for exciting an ignition current to the first ignition loop after receiving an ignition instruction from the controller; the image acquisition device is used for acquiring an image of the safety airbag in the unfolding process after receiving an image acquisition instruction from the controller; the measurement and control center is used for calculating the unfolding speed of the safety airbag according to the image.
Description
Technical Field
The invention relates to the technical field of test control systems, in particular to an air bag ignition test system.
Background
At present, the static ignition test of the safety airbag is to truly simulate the ignition environment and state of the safety airbag and collect various data of the test, so that the safety airbag is improved or optimized in the later period, and the safety airbag achieves a good protection effect. All test elements of the current airbag static ignition test are scattered, and the test environment monitoring, the airbag setting, the airbag ignition control, the airbag ignition loop current signal acquisition and the safety management are carried out by different modules; the safety is poor in the pre-ignition stage of excessive personnel intervention test; and because the test information is incomplete, only relevant contents after the ignition of the air bag are recorded, the whole test environment is not recorded completely, and the consistency of test results is poor.
Disclosure of Invention
In view of this, the embodiment of the present invention provides an airbag ignition test system, which can effectively improve the accuracy of a test result.
One or more embodiments of the present invention provide an airbag ignition test system, including: the ignition device comprises a controller, an image acquisition device, an air bag, an ignition chip and a first ignition loop; the controller is used for sending an ignition instruction to the ignition chip and sending an image acquisition instruction to the image acquisition device; the ignition chip is used for exciting an ignition current to the first ignition loop after receiving an ignition instruction from the controller; the image acquisition device is used for acquiring an image of the safety airbag in the unfolding process after receiving an image acquisition instruction from the controller; and the measurement and control center is used for calculating the unfolding speed of the safety airbag according to the image.
Optionally, the system further includes: and the current acquisition module is used for acquiring the ignition current of the first ignition loop after receiving a current acquisition instruction from the controller.
Optionally, the system further includes: and the access control system is used for acquiring the information of the access control state of the test area and sending the information of the access control state to the controller.
Optionally, the system further includes: and the temperature and humidity sensor is used for acquiring temperature data and humidity data of the test environment.
Optionally, the system further includes: the early warning module is used for carrying out early warning after receiving an early warning instruction from the controller; the controller is also used for sending the early warning instruction to the early warning module after receiving an ignition preparation signal from the measurement and control center, and sending the ignition instruction to the ignition chip after the preset time.
Optionally, the controller is specifically configured to: receiving test mode information from a measurement and control center, responding to the test mode designated in the test mode information being room temperature test, and sending first test preposed state information to the measurement and control center by the controller, wherein the first test preposed state information comprises: the system comprises an ignition module state, a current acquisition module state, a test environment state and an entrance guard state; after receiving an ignition preparation signal from the measurement and control center, checking whether the first pre-test information is abnormal or not, and if not, sending abnormal state information to the measurement and control center; after receiving an ignition instruction from the measurement and control center, sending the ignition instruction to the ignition chip under the condition of ensuring that the first test precondition is not abnormal.
Optionally, the system further comprises a temperature box and a motor; the temperature box is used for configuring environmental parameters after receiving an environmental parameter configuration instruction of the controller and sending the environmental parameters to the controller; the controller is specifically configured to receive test mode information from a measurement and control center, respond to that a test mode specified in the test mode information is a high-temperature test/a low-temperature test, and send second test pre-state information to the measurement and control center, where the second test pre-state information includes: the motor control system comprises an ignition module state, a current acquisition module state, an entrance guard state, a test environment state and a temperature box environment parameter, and is used for controlling the motor to operate in response to the fact that the environment temperature of the temperature box reaches a preset temperature threshold value; after receiving an ignition preparation signal from the measurement and control center, checking the second test preposed state information, and sending the abnormal-free state information to the measurement and control center after determining that the second test preposed state is abnormal-free; in response to receiving an ignition instruction from the measurement and control center, sending an ignition instruction to the ignition chip in the second test preposed state without abnormal condition; the motor is used for being controlled by the controller to operate, and driving the wiring harness connected with the safety airbag to be wound so as to pull the safety airbag out of the temperature box.
Optionally, the system further includes: the safety airbag is arranged between the image acquisition device and the background.
Optionally, the measurement and control center is specifically configured to: and calculating the unfolding speed of the airbag in each direction through the two acquired grid areas in the background blocked by the airbag in the image and the time interval of the two acquired images.
Optionally, the system further includes: and the second ignition loop is connected with a target resistor, and the load parameters of the safety air bag of the target resistor are consistent.
According to the airbag ignition test system provided by one or more embodiments of the invention, the controller controls the modules in the system to cooperatively operate, so as to control the ignition of the airbag and control the image acquisition device to acquire the image of the airbag in the unfolding process, so that the control center can calculate the unfolding speed of the airbag according to the image of the airbag in the unfolding process, and the accuracy of the airbag test result is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating the construction of an airbag ignition test system according to one or more embodiments of the present disclosure;
FIG. 2 is a schematic diagram illustrating the configuration of an airbag ignition test system in accordance with one or more embodiments of the present invention;
FIG. 3 is a schematic diagram illustrating a timing sequence for an airbag ignition test in accordance with one or more embodiments of the invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all 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 invention.
Fig. 1 is a schematic structural diagram illustrating an airbag ignition test system according to one or more embodiments of the present invention, as shown in fig. 1, the system including:
the ignition device comprises a controller, an image acquisition device, an air bag, an ignition chip and a first ignition loop;
the controller is used for sending an ignition instruction to the ignition chip and sending an image acquisition instruction to the image acquisition device;
the ignition chip is used for exciting an ignition current to the first ignition loop after receiving an ignition instruction from the controller;
optionally, the ignition chip can provide monitoring of the operation state of the controller main chip and monitoring of the safety air bag besides providing the ignition current.
In one or more embodiments of the present invention, the airbag ignition test system may further include a second ignition circuit, based on which, after receiving an ignition task from the measurement and control center, the controller may check an ignition condition first, and after determining that the ignition condition is satisfied, send an ignition instruction to the ignition chip, where the first ignition circuit is connected to the airbag, the second ignition circuit is connected to a resistor with a load parameter consistent with that of the airbag, and after receiving the ignition instruction, the ignition chip simultaneously excites an ignition current to the first ignition circuit and the second ignition circuit, and the airbag is immediately deployed. Through the arrangement of the second ignition circuit, more effective information can be generated after ignition, and reference data is provided for test post-processing and possible abnormal problems.
The image acquisition device is used for acquiring an image of the safety airbag in the unfolding process after receiving an image acquisition instruction from the controller;
the optional image acquisition device can be a high-speed camera, for example, and the controller triggers the high-speed camera to shoot and record the whole process of airbag deployment while sending an ignition instruction.
And the measurement and control center is used for calculating the unfolding speed of the safety airbag according to the image.
Optionally, the measurement and control center may be provided as an upper computer having a human-computer interaction interface, and may be responsible for receiving task (e.g., ignition task) transmission and task execution feedback, acquiring data, and the like, and may also display the system state in a visual manner.
The controller can be provided as lower computer equipment with multiple communication modes, and can be responsible for receiving tasks sent by the measurement and control center, sending task execution feedback, cooperative processing tasks and test time sequence management to the measurement and control center, and issuing control instructions to each module through the communication interface. The controller may be disposed in a test area (also referred to as a test area), the measurement and control center may be independently disposed outside the test area, and the measurement and control center and the controller may establish data interaction via an ethernet network.
According to the airbag ignition test system provided by one or more embodiments of the invention, the controller controls the modules in the system to cooperatively operate, so as to control the ignition of the airbag and control the image acquisition device to acquire the image of the airbag in the unfolding process, so that the control center can calculate the unfolding speed of the airbag according to the image of the airbag in the unfolding process, and the accuracy of the airbag test result is improved.
In one or more embodiments of the present invention, the airbag ignition test system may further include:
and the current acquisition module is used for acquiring the ignition current of the first ignition loop after receiving a current acquisition instruction from the controller. For example, the controller can trigger the current acquisition module to acquire the ignition current of the ignition loop while sending an ignition instruction, the acquired data can be stored in the nonvolatile memory, the data can be fed back to the measurement and control center after the test is finished, and the measurement and control center can construct an airbag ignition current curve and a simulated airbag ignition current standard curve based on the data. In order to improve the accuracy of the current acquisition module for acquiring the current data, the embodiment of the invention can select the current acquisition module with higher accuracy, for example, the current acquisition module which acquires the current value for tens of thousands of times per second can be selected.
In one or more embodiments of the present invention, the airbag ignition test system may further include:
and the access control system is used for acquiring the information of the access control state of the test area and sending the information of the access control state to the controller. The entrance guard can be, for example, an entrance guard for an entrance and an exit of a test area, and the entrance guard has two states of on/off output. Before the air bag normally ignites, personnel in the experimental area need to exit the experimental area, and the entrance guard is closed so as to ensure the safety of the test.
In one or more embodiments of the present invention, the airbag ignition test system may further include: and the temperature and humidity sensor is used for acquiring temperature data and humidity data of the test environment. For example, the temperature and humidity sensor can be controlled by the controller to acquire temperature and humidity data of the environment in the experimental area and feed the acquired data back to the measurement and control center, and the data can be used for constructing an environmental parameter curve throughout the whole test process.
In one or more embodiments of the present invention, the airbag ignition test system may further include: the early warning module is used for carrying out early warning after receiving an early warning instruction from the controller; the early warning module can be, for example, an audible and visual alarm for reminding that ignition of the airbag is about to occur.
The controller is also used for sending the early warning instruction to the early warning module after receiving an ignition preparation signal from the measurement and control center, and sending the ignition instruction to the ignition chip after the preset time.
In one or more embodiments of the present invention, the controller is specifically configured to: receiving test mode information from a measurement and control center, responding to the test mode designated in the test mode information being room temperature test, and sending first test preposed state information to the measurement and control center by the controller, wherein the first test preposed state information comprises: the system comprises an ignition module state, a current acquisition module state, a test environment state and an entrance guard state; the measurement and control center can monitor and display the first test preposition state information sent by the controller in real time, and test operators check the airbag and the wire harness to be tested, exit the test area and close the entrance guard after the test is finished; an operator of the measurement and control center checks the test preposed state information through the measurement and control center, and if no abnormity exists, an ignition preparation signal is sent to the controller through the measurement and control center; if the abnormality exists, the ignition preparation signal is not sent to the controller, and the ignition preparation signal is sent to the controller after the abnormality needs to be eliminated. The existing anomalies may include, for example: the ignition circuit is abnormal or the entrance guard is not set, etc.
After receiving an ignition preparation signal from the measurement and control center, checking whether the first test preposition state information is abnormal or not, and if not, sending abnormal-free state information to the measurement and control center; the measurement and control center receives the abnormal state feedback, and the operators of the measurement and control center can send an ignition instruction to the controller through the measurement and control center.
After receiving an ignition instruction from the measurement and control center, sending an ignition instruction to the ignition chip under the condition of ensuring that the first test preposition state is not abnormal. For example, the controller can synchronously trigger the ignition chip to ignite, the image acquisition device to acquire images and the current acquisition module to acquire ignition current under the condition that the test preposition state is ensured to be abnormal (namely the test preposition information meets the preset condition), and can feed back signals to the measurement and control center after the ignition event is finished, and the measurement and control center reads the signals of the image acquisition device and the current acquisition module according to the self requirement to acquire related test data.
In one or more embodiments of the present invention, the airbag ignition test system may further include:
a temperature box and a motor;
the temperature box is used for configuring environmental parameters after receiving an environmental parameter configuration instruction of the controller and sending the environmental parameters to the controller;
the controller is further configured to receive test mode information from a measurement and control center, respond to that a test mode specified in the test mode information is a high-temperature test or a low-temperature test, and send second test pre-state information to the measurement and control center, where the second test pre-state information includes: the motor control system comprises an ignition module state, a current acquisition module state, an entrance guard state, a test environment state and a temperature box environment parameter, and is used for controlling the motor to operate in response to the fact that the environment temperature of the temperature box reaches a preset temperature threshold value;
the measurement and control center can monitor and display the second test preposition state information sent by the controller in real time. And confirming the environmental parameters by the operation personnel of the measurement and control center, and sending a test starting instruction to the controller through the measurement and control center if no abnormity exists. After the controller receives a test starting instruction, the controller controls the temperature box to open the door, moves the air bag to be tested out of the temperature box along the guide rail, and starts countdown of a preset time length, wherein the preset time length is 3 minutes for example; a test operator checks the air bag and the wire harness to be tested, exits the test area after checking is finished, and closes the entrance guard; an operator of the measurement and control center checks the second test precondition information through the measurement and control center to determine whether the test precondition is met, wherein the test precondition may include: the ignition module (the ignition module comprises an ignition chip and an ignition loop) is normal, the current acquisition module is normal, the test environment state is normal, the entrance guard is closed, and the countdown is not finished. If the abnormal condition does not exist, the ignition preparation signal is sent to the controller through the measurement and control center, acousto-optic early warning is carried out for a certain time, for example, 5 seconds, if the abnormal condition exists, the acousto-optic early warning is not carried out, if the abnormal condition exists, for example, the ignition loop is abnormal, or the entrance guard is not closed, the ignition preparation signal cannot be sent to the controller, and the ignition preparation signal is sent to the controller after the abnormal condition is eliminated.
After receiving an ignition preparation signal from the measurement and control center, sending an early warning signal to an early warning module, and checking the second test preposed state information, for example, determining that the ignition module is normal, the current acquisition module is normal, the test environment state is normal, the entrance guard is closed and the countdown is not finished. After determining that the second test preposition state is abnormal, sending abnormal state-free information to the measurement and control center, and feeding back the state information of each module to the measurement and control center, wherein an operator of the measurement and control center sends an ignition instruction to the controller through the measurement and control center; the controller responds to an ignition instruction received from the measurement and control center and sends an ignition instruction to the ignition chip under the condition that the second test preposition state is abnormal; for example, when the controller sends an ignition instruction to the ignition chip, the controller can synchronously trigger the image acquisition device to acquire an image and synchronously trigger the current detection module to detect the ignition current. The motor is used for being controlled by the controller to operate, and driving the wiring harness connected with the safety airbag to be wound so as to pull the safety airbag out of the temperature box. The safety airbag ignition test system also comprises a motor controller, and the controller can send a control instruction to the motor controller to enable the motor controller to control the motor to operate.
In one or more embodiments of the present invention, the airbag ignition test system may further include:
the safety airbag comprises a background, wherein a grid is arranged in the background, the safety airbag is arranged between the image acquisition device and the background, and the background is used as the background of the unfolded safety airbag when the image acquisition device shoots the unfolded safety airbag. Alternatively, the background may be, for example, a background wall in the form of a square fixed-size grid.
In one or more embodiments of the present invention, the measurement and control center may be specifically configured to: and calculating the unfolding speed of the airbag in each direction through the two acquired grid areas in the background blocked by the airbag in the image and the time interval of the two acquired images. For example, the controller sends an ignition instruction to the ignition chip, and at the same time, triggers a high-speed camera (which is an example of the image acquisition device) to continuously shoot and record the whole process of airbag deployment at a preset time interval, after the test is finished, the measurement and control center reads an image shot by the high-speed camera, the deployment speed of the airbag in each direction can be calculated according to the size of the lattice area of the background wall shielded by the airbag in the images shot twice, and meanwhile, the image may also record related information of splashes in the airbag deployment process.
In one or more embodiments of the present invention, the airbag ignition test system may further include:
and the second ignition loop is connected with a target resistor, and the load parameters of the safety air bag of the target resistor are consistent. Based on this, in the process of carrying out the air bag ignition test, after the ignition chip obtains the ignition instruction that the controller sent, can arouse ignition current to first ignition circuit and second ignition circuit simultaneously. The safety airbag ignition test system can generate more effective information after ignition through the ignition loop design of the double loops, and provides a reference basis for the treatment of the later stage of the test and the possible abnormal problems.
Fig. 2 is a schematic structural diagram of an airbag ignition test system according to one or more embodiments of the present invention, where the system mainly includes a control platform and peripheral devices, and can perform precise management of multi-element cooperative operation and timing of an airbag ignition module, a speed measurement module, a data acquisition module, and a safety production management module in the system.
The control platform includes a measurement and control center and a controller, and in the system shown in fig. 2, the controller is exemplified by a controller 21. The measurement and control center 20 may be an upper computer device providing a human-computer interaction interface, and is responsible for task sending, task execution feedback receiving, data acquisition, and the like, and may display the system state in a visual manner; the controller may be, for example, a lower computer device providing multiple communication modes, and is responsible for receiving task and task execution feedback, performing cooperative processing tasks, managing time sequences, and the like, and issuing control instructions to each module through a communication interface. The measurement and control center can be independent of the test area, the controller can be in the test area environment, and the measurement and control center and the controller can perform data interaction through the Ethernet.
The peripheral devices include a motor 22, a motor controller 23, a temperature box 24, an audible and visual alarm 25 (which is an example of the above-mentioned warning module), a monitoring camera 26, a door 27, a temperature and humidity sensor 28, a grid background wall (which is temporarily not shown in fig. 2), a high-speed camera 291, a high-speed camera 292, a current data acquisition device 30 (which is an example of the above-mentioned current detection module), an airbag 31, a gateway 32, a switch 33, and a router 34. The motor, the motor controller and the temperature box are used in high-temperature and low-temperature ignition tests; the temperature and humidity sensor is used for monitoring the test environment in real time; the monitoring camera shooting and the door are forbidden to ensure the safety of the test; the audible and visual alarm is used for reminding that the ignition of the air bag is about to occur; the lattice background wall and the high-speed camera are used for measuring the airbag unfolding speed; the current data acquisition equipment is used for acquiring the current of the ignition loop; the gateway and the switch are the communication hardware basis of the upper computer and the lower computer.
The airbag ignition module 210 builds a hardware platform based on an ignition chip embedded in a controller, and designs double ignition loops, wherein one ignition loop is connected with a real airbag load, and the other ignition loop is connected with a resistor with the same parameters as the airbag load; after receiving the ignition task, the controller checks the ignition condition, and if the ignition condition is met, an ignition instruction is sent to the ignition chip, the ignition chip simultaneously excites the ignition current to the two ignition loops, and the air bag is immediately unfolded.
The speed measuring module builds a measuring platform through a grid background wall and a high-speed camera. The lattice background wall is a plurality of square background walls with fixed size lattice patterns. The high speed camera is a high speed camera capable of taking nearly ten thousand pictures per second. The controller can trigger a high-speed camera to shoot when sending an airbag ignition instruction, the camera shoots and records the whole process of airbag deployment, the measurement and control center reads photo information after the test is finished, and the deployment speed of the airbag in each direction can be accurately calculated by the size of the area of the grid of the background wall shielded by the airbag in the adjacent photo; the relevant information of the airbag splash can be recorded through the photo.
The data acquisition module is used for constructing a data acquisition platform by a temperature and humidity sensor, a controller and current data acquisition equipment together. The temperature and humidity sensor can acquire the temperature and humidity of the environment of the test area, acquire data through the controller and feed the data back to the measurement and control center for recording and storing, and can be used for constructing an environmental parameter curve throughout the whole test process; the current data acquisition equipment can respectively acquire the ignition current of each ignition loop, the current value can be acquired for tens of thousands of times per second, the controller triggers the current data acquisition equipment to acquire data while sending an airbag ignition instruction, the acquired data can be stored in the nonvolatile memory 35, and the data is fed back to the measurement and control center after the test is finished, so that the current data acquisition equipment can be used for constructing an airbag ignition current curve and a simulated airbag ignition current standard curve.
And the safety production management module is used for building a safety production management hardware platform by a measurement and control center, a controller, an entrance guard, a temperature and humidity sensor, an ignition chip, an audible and visual alarm and a monitoring camera. The entrance guard is an entrance guard of a test area, and the entrance guard has two output states of opening/closing; the ignition chip can provide ignition current and also can provide monitoring on the running state of the main chip of the controller and the state of the safety air bag; the acousto-optic alarm is a device for carrying out acousto-optic early warning before the air bag is ignited; the monitoring camera is a monitoring device capable of feeding back images and sounds of a visual screen, and an operator of the measurement and control center can receive monitoring information of the test area through vision and hearing. The measurement and control center is positioned outside the test area, so that the personal safety of operators can be guaranteed; an operator sends a task to the controller through the measurement and control center, the controller decides whether to execute the related task according to the entrance guard state and the temperature and humidity data, processes information of each module cooperatively, feeds back the task execution condition to the measurement and control center, the measurement and control center prompts the task execution condition and the system state of the operator, and the operator checks monitoring and determines whether to continue to execute the subsequent task; major safety problems (such as abnormity of a main chip, abnormity of an ignition chip, abnormity of the state of the air bag and the like) directly related to air bag ignition are identified by the controller, an ignition task is blocked, the ignition key failure is executed by the measurement and control center, and an operator is prompted; before the airbag is normally ignited, people in a test area need to exit, the entrance guard is closed, and the airbag can be ignited after acousto-optic early warning for several seconds. The safety production management module is humanized, automatic and friendly in man-machine interaction, and the test safety level is greatly improved.
Fig. 3 is a schematic diagram illustrating a timing sequence for performing an airbag ignition test, as shown in fig. 3, in which first, a test control center is activated and a test mode is selected, wherein the test mode may include: room temperature testing, high temperature testing and low temperature testing; the controller performs equipment self-check, and in the room temperature test, the equipment needing the self-check comprises: the system comprises an ignition module, a current acquisition module, an entrance guard and a temperature and humidity sensor; during high temperature test and temperature test, the equipment that needs to carry out the self-checking includes ignition module, current acquisition module, temperature and humidity sensor and entrance guard. If the current high-temperature test or the low-temperature test is carried out, the time sequence also comprises the step of controlling the temperature box to open the door, and the room-temperature test does not need the item. Fixtures, such as test personnel to view the air bags and wiring harnesses; pre-ignition early warning; synchronously carrying out ignition, image acquisition and ignition current acquisition; storing the collected data; and the measurement and control center reads the acquired data.
The airbag ignition test system of one or more embodiments of the invention can enable the above-mentioned multiple elements to operate cooperatively and manage the timing accurately. The controller clock in the test area can reach microsecond level, and directly interacts data with most peripheral equipment, so that the accuracy and real-time performance of the received data are high; the controller processes the data of each module cooperatively and controls each module to execute related tasks timely and orderly under the task instruction of the measurement and control center. The controller can trigger the ignition of the air bag, the measurement of the unfolding speed of the air bag and the acquisition of current data at the same time, and three different modules can synchronously respond in time sequence, so that the alignment degree of the data among the different modules on a time axis is higher, and the reliability and consistency of test results are improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
For convenience of description, the above devices are described separately in terms of functional division into various units/modules. Of course, the functionality of the units/modules may be implemented in one or more software and/or hardware implementations of the invention.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An airbag ignition test system, comprising:
the ignition device comprises a controller, an image acquisition device, an air bag, an ignition chip and a first ignition loop;
the controller is used for sending an ignition instruction to the ignition chip and sending an image acquisition instruction to the image acquisition device;
the ignition chip is used for exciting an ignition current to the first ignition loop after receiving an ignition instruction from the controller;
the image acquisition device is used for acquiring an image of the safety airbag in the unfolding process after receiving an image acquisition instruction from the controller;
and the measurement and control center is used for calculating the unfolding speed of the safety airbag according to the image.
2. The system of claim 1, further comprising:
and the current acquisition module is used for acquiring the ignition current of the first ignition loop after receiving a current acquisition instruction from the controller.
3. The system of claim 1, further comprising:
and the access control system is used for acquiring the information of the access control state of the test area and sending the information of the access control state to the controller.
4. The system of claim 1, further comprising:
and the temperature and humidity sensor is used for acquiring temperature data and humidity data of the test environment.
5. The system of claim 1, further comprising:
the early warning module is used for carrying out early warning after receiving an early warning instruction from the controller;
the controller is also used for sending the early warning instruction to the early warning module after receiving an ignition preparation signal from the measurement and control center, and sending the ignition instruction to the ignition chip after the preset time.
6. The system of claim 1, wherein the controller is specifically configured to:
receiving test mode information from a measurement and control center, responding to the test mode designated in the test mode information being room temperature test, and sending first test preposed state information to the measurement and control center by the controller, wherein the first test preposed state information comprises: the system comprises an ignition module state, a current acquisition module state, a test environment state and an entrance guard state;
after receiving an ignition preparation signal from the measurement and control center, checking whether the first test preposition state is abnormal or not, and if not, sending abnormal-free state information to the measurement and control center;
after receiving an ignition instruction from the measurement and control center, sending an ignition instruction to the ignition chip under the condition of ensuring that the first test preposition state is not abnormal.
7. The system of claim 1, further comprising a temperature box and a motor;
the temperature box is used for configuring environmental parameters after receiving an environmental parameter configuration instruction of the controller and sending the environmental parameters to the controller;
the controller is specifically configured to receive test mode information from a measurement and control center, respond to that a test mode specified in the test mode information is a high-temperature test/a low-temperature test, and send second test pre-state information to the measurement and control center, where the second test pre-state information includes: the motor control system comprises an ignition module state, a current acquisition module state, an entrance guard state, a test environment state and a temperature box environment parameter, and is used for controlling the motor to operate in response to the fact that the environment temperature of the temperature box reaches a preset temperature threshold value;
after receiving an ignition preparation signal from the measurement and control center, checking the second test preposed state information, and sending the abnormal-free state information to the measurement and control center after determining that the second test preposed state is abnormal-free; in response to receiving an ignition instruction from the measurement and control center, sending an ignition instruction to the ignition chip in the second test preposed state without abnormal condition;
the motor is used for being controlled by the controller to operate, and driving the wiring harness connected with the safety airbag to be wound so as to pull the safety airbag out of the temperature box.
8. The system of claim 1, further comprising:
the safety airbag is arranged between the image acquisition device and the background.
9. The system according to claim 1, wherein the measurement and control center is specifically configured to:
and calculating the unfolding speed of the airbag in each direction through the two acquired grid areas in the background blocked by the airbag in the image and the time interval of the two acquired images.
10. The system of any one of claims 1 to 9, further comprising:
and the second ignition loop is connected with a target resistor, and the load parameters of the safety air bag of the target resistor are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915897.0A CN113791288A (en) | 2021-08-10 | 2021-08-10 | Air bag ignition test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915897.0A CN113791288A (en) | 2021-08-10 | 2021-08-10 | Air bag ignition test system |
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| CN113791288A true CN113791288A (en) | 2021-12-14 |
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| CN202110915897.0A Pending CN113791288A (en) | 2021-08-10 | 2021-08-10 | Air bag ignition test system |
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| CN205384145U (en) * | 2015-12-03 | 2016-07-13 | 天合富奥汽车安全系统（长春）有限公司 | Safe airbag system test device suit |
| CN109297722A (en) * | 2018-09-21 | 2019-02-01 | 奇瑞汽车股份有限公司 | A kind of mounting device of air-cushion inflator test |
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| CN205384145U (en) * | 2015-12-03 | 2016-07-13 | 天合富奥汽车安全系统（长春）有限公司 | Safe airbag system test device suit |
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| CN210000277U (en) * | 2018-12-17 | 2020-01-31 | 浙江吉利汽车研究院有限公司 | safety protection system based on vehicle-mounted safety airbag |
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