Test cabin system for crash test and working method

Abstract

The invention relates to a test cabin system for a crash test and a working method, the test cabin system collects temperature and humidity in a test cabin through a sensor, inputs collected signals to a central processing unit, sets temperature and humidity values required by the test, and the central processing unit compares and judges the collected signals with the set values, so that the test cabin system is started. Corresponding working instructions are sent to the humidity adjusting system and the air conditioning system, and the temperature and the humidity are kept constant at set values of the remote control handle: the smoke camera shoots a picture and provides the picture to the image processing system to identify the state around the vehicle, and an analysis signal is transmitted to the central processing unit; when the central processing unit judges that a fire occurs, a working instruction is sent to the spraying system and the exhaust system; and a working instruction is sent to the sound-light alarm unit to warn field workers that special situations occur in the test chamber at the moment. The system can quickly meet test requirements, manual monitoring and adjustment are not needed, test normalization and safety are improved, and life and property safety of people is guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of vehicle safety performance testing, and in particular relates to a test chamber system and a working method for a collision test. Background Art

[0002] At present, during the whole vehicle collision test, it is necessary to always pay attention to whether the test temperature and humidity meet the regulatory requirements. However, the internal environment of the test room is open, and it is very difficult to adjust the temperature and humidity. Before the test, the test personnel are also required to take an overall photo of the collision vehicle and confirm whether there are obstacles in the vehicle and its surroundings that hinder the movement of the traction system. This manual process is time-consuming and labor-intensive. If there are uncleared debris, it is easy to cause safety accidents. After the collision test, the vehicle's wiring harness system was partially damaged, and there was a risk of vehicle fire and explosion. In addition, there were uncertainties in the cause and time of the accident, which made it difficult to manually investigate.

[0003] Based on this, there is an urgent need to develop a movable multifunctional test chamber system and working method for whole vehicle collision testing to effectively solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a movable multifunctional test chamber system and working method for whole vehicle collision test, so as to solve the problems of no need for manual monitoring and adjustment of temperature and humidity, taking photos of collision vehicles and insufficient manual monitoring of fire conditions.

[0005] The objective of the present invention is achieved through the following technical solutions:

[0006] A test chamber system for a collision test, comprising a temperature sensor 100, a humidity sensor 101, a smoke sensor 102, four smoke cameras 103, an audible and visual alarm unit, an exhaust system 110, a spray system 111 and a lifting roller shutter door 112;

[0007] The temperature sensor 100 and humidity sensor 101 are used to collect the temperature and humidity in the test chamber, respectively, and input the collected signals to the central processor to set the temperature and humidity values ​​required for this test. The central processor compares and judges the collected signals with the set values, and issues corresponding working instructions to the humidity adjustment system 106 and the air conditioning system 107 to keep the temperature and humidity constant at the set values ​​of the remote control handle:

[0008] The smoke sensor 102 is used to detect whether there is smoke in the test chamber; the smoke camera 103 can take test photos of the collision vehicle before the test, and provide them to the image processing system to identify the surrounding status of the vehicle, and transmit the analysis signal to the central processing unit; when the central processing unit determines that a fire has occurred, it sends a work instruction to the sprinkler system 111, and the sprinkler system 111 works to spray water to extinguish the vehicle fire; sends a work instruction to the exhaust system 110, and the exhaust system 110 works to exhaust the smoke generated by the combustion at this time; sends a work instruction to the sound and light alarm unit to warn the site staff that a special situation has occurred in the test chamber at this time.

[0009] Furthermore, the remote control handle can set the temperature and humidity values ​​required for this test.

[0010] Furthermore, it also includes a steering wheel driver 104 and a steering wheel 105. There are two steering wheel drivers 104, which are arranged in front and behind the test cabin respectively. Each steering wheel driver 104 can drive the two steering wheels 105 on this side to rotate, thereby realizing the free movement of the test cabin.

[0011] Furthermore, the remote control handle is used to control the steering wheel driver 104 to work, and the driver controls the steering wheel 105 to move in four directions, front, back, left, and right, according to the input instructions of the remote control handle.

[0012] Furthermore, it also includes a humidity adjustment system 106 and an air conditioning system 107, which are used to adjust the humidity and temperature in the test chamber respectively.

[0013] Furthermore, the sound and light alarm unit is composed of an alarm light 108 and a buzzer 109. When the test chamber issues an alarm command, the alarm light 108 flashes; when the test chamber issues an alarm command, the buzzer 109 sounds.

[0014] Furthermore, when the test chamber needs to be moved, the remote control handle is used to raise the lifting roller shutter doors 112 on both sides to facilitate the movement of the chamber in the test chamber; after the test chamber is moved to the designated position, the roller shutter doors on both sides are lowered.

[0015] Furthermore, the test vehicle 113 is located in the middle of the test chamber.

[0016] Furthermore, the instrument screen 114 can display the cabin status in real time.

[0017] A working method of a test chamber system for a collision test comprises the following steps:

[0018] A. After the vehicle arrives at the test laboratory, the test personnel will prepare the vehicle;

[0019] B. Move the prepared vehicle to the test departure point of the collision traction track and align the vehicle with the track;

[0020] C. Power on the test cabin system, start the remote control handle, control the test cabin to raise the front and rear lifting roller shutter doors 112, and operate the handle to move the test cabin from the placement position to the test departure point;

[0021] D. Continue to adjust the position of the test cabin so that the vehicle is in the middle of the test cabin, and straighten the cabin so that the left and right sides of the cabin are as parallel as possible to the traction track, ensuring that there is roughly equal space around the vehicle to facilitate the test personnel to prepare before the test;

[0022] E. After the position is determined, lower the front and rear lifting roller shutter doors 112, turn on the temperature and humidity system to meet the test requirements, and keep warm and moist until the test starts;

[0023] F. Turn on the camera system to take test photos of the vehicle in all directions before departure, and assist the test personnel in determining whether there are obstacles that hinder the movement of the traction system;

[0024] G. Control the test cabin to raise the front and rear lifting roller shutter doors (112) on both sides, and test the vehicle to start and collide;

[0025] H. Move the test vehicle after the collision to the scrapped vehicle area in the test room, and move the test cabin to the vehicle position to monitor the vehicle status. If a fire occurs, the sound and light alarm unit in the test cabin will work, otherwise it will not work;

[0026] I. Ensure that the test chamber has sufficient time to monitor the vehicle status and eliminate the risk of vehicle accidents, move the test chamber to the placement position and the work is completed.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. The test chamber system of the present invention is movable and is not limited by the location of the test vehicle. Before the test, the test chamber is moved to the outside of the vehicle. The test chamber is equipped with a sensor unit and a temperature and humidity adjustment system, which can automatically adjust the temperature and humidity in the chamber to the set range and automatically keep the temperature and humidity constant. The test requirements can be met quickly without manual monitoring and adjustment, which solves the problem that the internal environment of the test chamber is empty and it is difficult to adjust the temperature and humidity;

[0029] 2. The test cabin is equipped with a camera system, which can take test photos of the vehicle in all directions before departure, eliminating the test steps for test personnel to take photos, improving work efficiency and shortening working time; and the vehicle status photos can be provided to the image processing system for recognition, and the central processor determines whether there are obstacles hindering the movement of the traction system. The judgment result is displayed by the sound and light alarm unit on the test cabin. The vehicle can be dispatched normally without special circumstances. The auxiliary judgment function of this function can reduce production safety accidents caused by work errors of test personnel to a certain extent, and improve the standardization and safety of the test;

[0030] 3. After the test, the test chamber is moved to the vehicle, and the sensor unit in the test chamber is used to determine whether a fire has occurred. If a fire has occurred, the sound and light alarm unit and the sprinkler system are triggered to prevent the fire from spreading further. This solves the problems of inadequate manual monitoring and untimely fire control, and ensures the safety of people’s lives and property. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 This is a schematic diagram of the test chamber system;

[0033] Figure 2 This is the working principle diagram of the test chamber system.

[0034] In the figure, 100. temperature sensor 101. humidity sensor 102. smoke sensor 103. camera 104. steering wheel driver 105. steering wheel 106. humidity adjustment system 107. air conditioning system 108. warning light 109. buzzer 110. exhaust system 111. spray system 112. lifting roller shutter door 113. test vehicle 114. instrument screen. DETAILED DESCRIPTION

[0035] The present invention will be further described below in conjunction with embodiments:

[0036] like Figure 1 As shown, the test chamber system for collision test of the present invention is composed of a temperature sensor 100, a humidity sensor 101, a smoke sensor 102, a smoke camera 103, a steering wheel driver 104, a steering wheel 105, a humidity adjustment system 106, an air conditioning system 107, an audible and visual alarm unit, an exhaust system 110, a spray system 111, a lifting type rolling door 112, a test vehicle 113 and an instrument screen 114.

[0037] Wherein, the temperature sensor 100 is used to monitor the temperature in the test chamber.

[0038] The humidity sensor 101 is used to monitor the humidity in the test chamber.

[0039] The smoke sensor 102 is used to detect whether there is smoke in the test chamber.

[0040] There are four smoke cameras 103, which are arranged around the test chamber respectively, for taking test photos and providing them to the image processing system to identify the surrounding status of the vehicle.

[0041] Two steering wheel driving machines 104 are arranged at the front and rear of the test cabin respectively. Each steering wheel driving machine 104 can drive two steering wheels 105 on the same side to rotate, thereby realizing the free movement of the test cabin.

[0042] The humidity adjustment system 106 is used to adjust the humidity in the test chamber.

[0043] The air conditioning system 107 is used to adjust the temperature in the test chamber.

[0044] The sound and light alarm unit is composed of an alarm light 108 and a buzzer 109. When the test chamber issues an alarm command, the alarm light 108 flashes. When the test chamber issues an alarm command, the buzzer 109 sounds.

[0045] After the test, if a fire occurs in the test vehicle, the exhaust system 110 will work to exhaust the smoke produced by the combustion; after the test, if a fire occurs in the test vehicle, the sprinkler system 111 will work to spray water to extinguish the fire in the vehicle.

[0046] The test cabin is equipped with lifting shutter doors 112 at the front and rear. When the test cabin needs to be moved, the lifting shutter doors 112 on both sides are raised to facilitate the cabin to move through the test room. After the test cabin is moved to the designated position, the shutter doors on both sides are lowered, and the cabin space is relatively closed, which makes it very convenient and easy to adjust the cabin environment before the test; if a fire occurs after the test, it can also prevent the fire from spreading to the greatest extent and reduce the harm caused by the fire;

[0047] The test vehicle 113 is a vehicle used for whole vehicle collision test. Before and after the test, the test chamber is moved to the vehicle position so that the vehicle is located in the middle of the test chamber;

[0048] The instrument screen 114 can display the cabin status in real time, such as the temperature and humidity in the cabin, photos of the test vehicle, the vehicle surrounding status, the working status of each system, etc.

[0049] like Figure 2As shown, the temperature sensor 100 and the humidity sensor 101 collect the temperature and humidity in the test chamber, input the collected signals to the central processing unit, and set the temperature and humidity values ​​required for this test through the remote control handle. The central processing unit compares and judges the collected signals with the set values, and issues corresponding work instructions to the humidity adjustment system 106 and the air conditioning system 107: humidification, dehumidification, maintaining humidity, heating, cooling, and maintaining temperature, so as to keep the temperature and humidity constant at the set values ​​of the remote control handle to meet the test requirements.

[0050] The smoke camera 103 takes test photos of the collision vehicle before the test, and provides them to the image processing system for analysis to see if there are obstacles around the vehicle that prevent the test from being carried out, and transmits the analysis signal to the central processor. If there is an obstacle that hinders the movement of the traction system at this time, the central processor issues a command to instruct the sound and light alarm unit: the alarm light 108 and buzzer 109 of the sound and light alarm unit work, reminding the test personnel that the vehicle cannot be started at this time and that it is necessary to check and eliminate the obstacles; if the above situation does not exist at this time, the sound and light alarm unit does not work, and the vehicle can be started normally.

[0051] If a fire occurs in the vehicle after the test, the ambient temperature in the test chamber will rise sharply, accompanied by a large amount of smoke. At this time, the temperature sensor 100 and the smoke sensor 102 in the test chamber are triggered to work, and the sensors input the collected signals to the central processor. The central processor determines that a fire has occurred at this time, and sends a work instruction to the sprinkler system 111, and the sprinkler system 111 works to extinguish the vehicle fire; sends a work instruction to the exhaust system 110, and the exhaust system 110 works to exhaust the smoke generated by the combustion at this time; sends a work instruction to the sound and light alarm unit, and the alarm light 108 and the buzzer 109 work to warn the site staff that a special situation has occurred in the test chamber at this time to prevent the disaster from spreading further.

[0052] The movement principle of the test chamber is:

[0053] When the test cabin needs to be moved, the remote control handle is used to control the two lifting roller shutter doors 112 arranged in front and behind the test cabin to rise, so as to facilitate the movement of the test cabin in the test site. The remote control handle is used to control the steering wheel driver 104 to work. The driver controls the steering wheel 105 to move in four directions according to the input instructions of the remote control handle, until it moves to the designated position of the test vehicle. At this time, the remote control handle is used to control the lifting roller shutter doors 112 on both sides to fall, so that the test cabin is sealed.

[0054] In addition, the remote control handle can independently control the operation of each system in the test chamber by sending instructions to the processor. If an emergency situation occurs in which the sensor unit fails or the sensitivity decreases, the staff can control the operation of the test chamber through the handle to reduce the occurrence of unexpected situations.

[0055] Example 1

[0056] The specific implementation and application of this test chamber system in vehicle collision are as follows:

[0057] 1. After the vehicle arrives at the test laboratory, the test personnel will prepare the vehicle;

[0058] 2. Move the prepared vehicle to the test departure point of the collision traction track to align the vehicle with the track;

[0059] 3. Power on the test cabin system, start the remote control handle, control the test cabin to raise the lifting roller shutter doors 112 on both sides of the front and rear sides, and operate the handle to move the test cabin from the placement position to the test departure point;

[0060] 4. Continue to adjust the position of the test cabin so that the vehicle is in the middle of the test cabin, and straighten the cabin so that the left and right sides of the cabin are as parallel as possible to the traction track, ensuring that there is roughly equal space around the vehicle to facilitate the test personnel to prepare before the test;

[0061] 5. After the position is determined, lower the front and rear lifting roller shutter doors 112, turn on the temperature and humidity system to meet the test requirements, and keep warm and moist until the test starts;

[0062] 6. Turn on the camera system to take test photos of the vehicle in all directions before departure, and assist the test personnel in determining whether there are obstacles that hinder the movement of the traction system;

[0063] 7. Control the test cabin to raise the lifting roller shutter doors 112 on both sides of the front and rear sides, and test the vehicle to start and collide;

[0064] 8. Move the test vehicle after the collision to the scrapped vehicle area in the test room, and move the test cabin to the vehicle position to monitor the vehicle status. If a fire occurs, the sound and light alarm unit in the test cabin will work, otherwise it will not work;

[0065] 9. When the test chamber is guaranteed to monitor the vehicle status for a sufficient period of time and the risk of an accident is eliminated, move the test chamber to its placement position and the work is completed.

[0066] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A test chamber system for a collision test, characterized in that: It includes a temperature sensor (100), a humidity sensor (101), a smoke sensor (102), four smoke cameras (103), an audible and visual alarm unit, an exhaust system (110), a sprinkler system (111) and a lifting roller shutter door (112); The temperature sensor 100 and the humidity sensor 101 are used to collect the temperature and humidity in the test chamber, respectively, and input the collected signals to the central processor to set the temperature and humidity values ​​required for this test. The central processor compares and judges the collected signals with the set values, and issues corresponding working instructions to the humidity adjustment system (106) and the air conditioning system (107) to keep the temperature and humidity constant at the set values ​​of the remote control handle: The smoke sensor (102) is used to detect whether smoke exists in the test chamber; the smoke camera (103) can take a test photo of the collision vehicle before the test, and provide it to the image processing system to identify the surrounding state of the vehicle, and transmit the analysis signal to the central processing unit; when the central processing unit determines that a fire has occurred, it sends a working instruction to the sprinkler system (111), and the sprinkler system (111) works to spray water to extinguish the vehicle fire; sends a working instruction to the exhaust system (110), and the exhaust system (110) works to exhaust the smoke generated by the combustion at this time; sends a working instruction to the sound and light alarm unit to warn the site staff that a special situation has occurred in the test chamber at this time.

2. A test chamber system for a collision test according to claim 1, characterized in that: The remote control handle can set the temperature and humidity values ​​required for this test.

3. A test chamber system for collision test according to claim 1, characterized in that: It also includes a steering wheel driving machine (104) and a steering wheel (105). There are two steering wheel driving machines (104), which are arranged at the front and rear of the test cabin respectively. Each steering wheel driving machine (104) can drive the two steering wheels (105) on the same side to rotate, thereby realizing free movement of the test cabin.

4. A test chamber system for collision test according to claim 3, characterized in that: The remote control handle is used to control the steering wheel driving machine (104) to work, and the driving machine controls the steering wheel (105) to move in four directions, front, back, left, and right, according to the input instructions of the remote control handle.

5. A test chamber system for collision test according to claim 1, characterized in that: It also includes a humidity adjustment system (106) and an air conditioning system (107), which are used to adjust the humidity and temperature in the test chamber respectively.

6. A test chamber system for collision test according to claim 1, characterized in that: The sound and light alarm unit is composed of an alarm light (108) and a buzzer (109). When the test chamber issues an alarm command, the alarm light (108) flashes; when the test chamber issues an alarm command, the buzzer (109) sounds.

7. A test chamber system for collision test according to claim 1, characterized in that: When the test chamber needs to be moved, the remote control handle is used to control the lifting roller shutter doors (112) on both sides to be raised, so as to facilitate the movement of the chamber body in the test chamber; after the test chamber is moved to a designated position, the roller shutter doors on both sides are lowered.

8. A test chamber system for collision test according to claim 1, characterized in that: The test vehicle (113) is located in the middle of the test chamber.

9. A test chamber system for collision test according to claim 1, characterized in that: The (114) instrument screen can display the cabin status in real time.

10. A method for operating a test chamber system for a collision test, characterized in that: The following steps are involved: A. After the vehicle arrives at the test laboratory, the test personnel will prepare the vehicle; B. Move the prepared vehicle to the test departure point of the collision traction track and align the vehicle with the track; C. Power on the test cabin system, start the remote control handle, control the test cabin to raise the front and rear lifting roller shutter doors (112), and operate the handle to move the test cabin from the placement position to the test departure point; D. Continue to adjust the position of the test cabin so that the vehicle is in the middle of the test cabin, and straighten the cabin so that the left and right sides of the cabin are as parallel as possible to the traction track, ensuring that there is roughly equal space around the vehicle to facilitate the test personnel to prepare before the test; E. After the position is determined, lower the front and rear lifting roller shutter doors (112), turn on the temperature and humidity system to meet the test requirements, and keep warm and moist until the test vehicle is started; F. Turn on the camera system to take test photos of the vehicle in all directions before departure, and assist the test personnel in determining whether there are obstacles that hinder the movement of the traction system; G. Control the test cabin to raise the front and rear lifting roller shutter doors (112) on both sides, and test the vehicle to start and collide; H. Move the test vehicle after the collision to the scrapped vehicle area in the test room, and move the test cabin to the vehicle position to monitor the vehicle status. If a fire occurs, the sound and light alarm unit in the test cabin will work, otherwise it will not work; I. Ensure that the test chamber has sufficient time to monitor the vehicle status and eliminate the risk of vehicle accidents, move the test chamber to the placement position and the work is completed.

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