CN114312551A - Hydrogen energy long tube trailer with intelligent safety protection device and safety protection method - Google Patents
Hydrogen energy long tube trailer with intelligent safety protection device and safety protection method Download PDFInfo
- Publication number
- CN114312551A CN114312551A CN202210222970.0A CN202210222970A CN114312551A CN 114312551 A CN114312551 A CN 114312551A CN 202210222970 A CN202210222970 A CN 202210222970A CN 114312551 A CN114312551 A CN 114312551A
- Authority
- CN
- China
- Prior art keywords
- protection
- trailer
- guide rail
- baffle
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Air Bags (AREA)
Abstract
A hydrogen energy long tube trailer with an intelligent safety protection device and a safety protection method belong to the technical field of intelligent protection of hydrogen energy long tube trailers. It includes the trailer, be equipped with mechanical protector on the trailer, mechanical protector signal connection outside intelligence control system, mechanical protector includes pneumatic flexible guide rail and multistage protection component, and pneumatic flexible guide rail sets up at the trailer rear, and multistage protection component is installed on pneumatic flexible guide rail, and intelligence control system includes central control system, sensor module, warning device and overlaps the annular gasbag of establishing on the hydrogen cylinder. According to the invention, the trailer can be buffered in multiple stages through the arranged mechanical protection device, and front-end rear-end collision and side-end rear-end collision can be simultaneously protected; by the aid of the intelligent control system, the problems that a traditional monitoring system is low in intelligent degree, single in monitoring feedback form and the like are solved; meanwhile, linkage control between the mechanical protection device and the Internet of things is realized.
Description
Technical Field
The invention belongs to the technical field of intelligent protection of hydrogen energy long tube trailers, and particularly relates to a hydrogen energy long tube trailer with an intelligent safety protection device and a safety protection method.
Background
The use of new energy has entered the horizon of people due to the diminishing international oil reserves. Hydrogen is an ideal new energy source which can be burnt, is the most abundant element next to oxygen in the world, the calorific value of combustion of each kilogram of liquid hydrogen is 14.2 kilojoules, which is equivalent to 24 times of the calorific value of gasoline, the combustion of the hydrogen does not pollute the environment, and the hydrogen is a clean energy source which can be regenerated and recycled.
The hydrogen storage method mainly comprises four storage methods, namely high-pressure gaseous storage, low-temperature liquid hydrogen storage, chemical storage and metal hydride storage. The hydrogen energy long tube trailer plays an important role, but belongs to dangerous vehicles, and if accidents such as rear-end collision and the like occur in the driving process, the dangers such as explosion, combustion, hydrogen leakage and the like can be caused. Accidents caused by improper protection of the hydrogen energy long-tube trailer are rare every year, and immeasurable loss is caused to people and objects around the accidents. Therefore, it is the direction of research to perform the necessary safety protection for hydrogen energy long tube trailers.
The existing monitoring system has low intelligent degree, and the adopted measures cannot cope with different vehicle conditions; the existing protection measures are single, only a single layer of protection device is provided, and the protection device mainly takes a bumper as a main part; the existing safety protection device only considers the design of the front-side rear-end collision of the hydrogen energy long tube trailer, and can not reasonably protect the side collision of the hydrogen energy long tube trailer; the shock absorption and collision prevention effects of the existing collision prevention devices are not obvious; the existing protection device cannot be linked with the Internet of things technology. However, a qualified safety protection system plays an important role in the smooth running of the hydrogen energy long pipe trailer and the emergency danger.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a hydrogen energy long tube trailer with an intelligent safety protection device and a safety protection method.
The invention provides the following technical scheme: the hydrogen energy long tube trailer provided with the intelligent safety protection device comprises a trailer, wherein the trailer is provided with a mechanical protection device, the mechanical protection device is in signal connection with an external intelligent control system, the mechanical protection device comprises a pneumatic telescopic guide rail and a multi-stage protection assembly, the pneumatic telescopic guide rail is arranged at the tail of the trailer, the multi-stage protection assembly is arranged on the pneumatic telescopic guide rail, and comprises a baffle, a guide rail arranged on the pneumatic telescopic guide rail, a first protection assembly arranged on the outer side of the baffle, and a second protection assembly and a third protection assembly which are arranged between the baffle and the guide rail;
the intelligent control system comprises a central control system, a sensor assembly, a warning device and an annular air bag sleeved on the hydrogen cylinder, and control valves of the trailer accelerator, the sensor assembly, the warning device and the annular air bag are in signal connection with the central control system.
Further, the baffle is in one of a folded plate structure or a semi-annular structure.
Furthermore, the first protection assembly comprises a group of rubber protection pieces uniformly distributed on the outer side of the baffle, each rubber protection piece comprises a rubber bulge and a first spring, and the first springs are arranged on the lower portions of the rubber bulges.
Furthermore, the second protection assembly comprises a group of high-pressure air airbags and a cylindrical barrel which corresponds to the high-pressure air airbags, the upper ends of the high-pressure air airbags are installed on the baffle, the lower ends of the high-pressure air airbags are inserted into the cylindrical barrel, the cylindrical barrel is installed on the guide rail, and an elastic device is arranged inside the cylindrical barrel.
Furthermore, the third protection component comprises a first stop block arranged on two sides of the guide rail, a second stop block arranged corresponding to the first stop block and a sliding block arranged on the guide rail in a sliding mode, the sliding block is located between the first stop block and the second stop block, the sliding block and the second stop block are connected through a second spring, and the sliding block is movably connected with the stop blocks through a movable hinged support and a rod piece.
Further, sensor module includes pressure sensor, first distance sensor, second distance sensor and speedtransmitter, and pressure sensor sets up between first spring and baffle, and first distance sensor sets up in the locomotive department of trailer, and second distance sensor and speedtransmitter all set up in the rear of a vehicle department of trailer.
Further, the guide rail comprises a bottom steel plate and slide rails arranged on two sides of the bottom steel plate, and the bottom steel plate is fixedly connected with the slide rails in a welding or threaded connection mode.
Further, warning device sets up in the rear of a vehicle department of trailer, and warning device includes warning light and whistle.
The safety protection method of the hydrogen energy long tube trailer provided with the intelligent safety protection device comprises the following steps:
s1, in the running process of the trailer, the first distance sensor collects distance information of a front vehicle in real time, the second distance sensor and the speed sensor monitor the distance, the speed and the acceleration of a rear vehicle in real time, and the collected information is sent to the central control system;
s2, the central control system judges the danger level according to the rear vehicle information collected in the step S1 and makes corresponding processing, and the specific processing procedures are as follows:
2.1, when the danger level is no, normally driving;
2.2, when the danger level is low, the alarm lamp flickers;
2.3, when the danger level is a middle level, a whistle is indicated;
2.4, when the danger level is high, corresponding processing is adopted according to the front vehicle distance information collected in the step S1, and the specific processing process is as follows:
2.4.1, when no vehicle exists in the front monitoring range, the central control system controls the accelerator to automatically supply oil and accelerate, and the safety distance between the central control system and a rear vehicle is increased;
2.4.2, when a vehicle exists in the front monitoring range, the high-pressure air bag starts to be pressurized, and anti-collision preparation is made; when a rear vehicle impacts a mechanical protection device at the tail of a trailer, the pressure sensor transmits the primary impact pressure contacted with the rubber bulge to the central control system, feedback is made through data processing, whether the impact pressure exceeds a protection threshold set by the mechanical protection device is judged, if the impact pressure exceeds the protection threshold, a valve at the opening of the hydrogen cylinder is locked through the central control system, the annular air bag starts to work, generated gas surrounds the hydrogen cylinder to form protection, and the damage degree to the hydrogen cylinder is reduced.
Further, in step 2.4.2, when the rear vehicle impacts the mechanical protection device at the tail of the trailer, the specific protection process of the mechanical protection device is as follows:
when the rear vehicle hits the front face of the trailer tail:
1) firstly, a rear vehicle impacts a rubber bulge in the middle of a baffle in a first protection assembly to compress a first spring, so that primary protection buffering is realized;
2) when the impact pressure is greater than the protection threshold value of the primary protection buffer, the baffle starts to compress the high-pressure air bag, the lower end of the high-pressure air bag compresses the elastic device in the cylindrical barrel, the impact force is absorbed, and the secondary protection buffer is realized;
3) when the impact pressure is greater than the protection threshold value of the secondary protection buffer, the baffle further compresses the high-pressure air airbag, the two sides of the baffle push the rod piece, so that the sliding block slides, the second spring is compressed, the impact force is released, and the tertiary protection buffer is realized;
4) when the impact pressure is greater than the protection threshold value of the three-level protection buffer, the impact force pushes the guide rail to compress the pneumatic telescopic guide rail to generate a reaction force to resist compression, so that a four-level protection buffer is formed;
when the rear vehicle hits the trailer rear side:
1) firstly, a rear vehicle impacts a rubber bulge on the side part of a baffle in a first protection assembly to compress a first spring, so that primary protection buffering is realized;
2) when the impact pressure is greater than the protection threshold value of the primary protection buffer, the two sides of the baffle push the rod piece, so that the sliding block slides, the second spring is compressed, the impact force is released, and the secondary protection buffer is realized;
3) when the impact pressure is greater than the protection threshold value of the secondary protection buffer, the impact force is transmitted to the middle part of the baffle, the high-pressure air bag starts to be compressed at the middle part of the baffle, the lower end of the high-pressure air bag compresses the elastic device in the cylindrical barrel, the impact force is absorbed, and the tertiary protection buffer is realized;
4) when the impact pressure is greater than the protection threshold value of the three-level protection buffer, the impact force pushes the guide rail to compress the pneumatic telescopic guide rail, so that the reaction force is generated, and the four-level protection buffer is formed.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
1) according to the invention, the trailer can be buffered in multiple stages through the arranged mechanical protection device, and front-end rear-end collision and side-end rear-end collision can be simultaneously protected; by the aid of the intelligent control system, the problems that a traditional monitoring system is low in intelligent degree, single in monitoring feedback form, incapable of taking corresponding measures for different vehicle conditions and the like are solved; meanwhile, linkage control between the mechanical protection device and the Internet of things is realized;
2) according to the invention, the mechanical protection device consists of the three-stage protection components and the pneumatic telescopic guide rail, the three-stage protection components are linked in sequence and form a four-stage protection system by matching with the pneumatic telescopic guide rail, so that the problem of single protection measure in the prior art is solved, and the anti-collision and shock-absorption effects of the trailer are greatly improved;
3) according to the invention, the pneumatic telescopic guide rail is arranged, so that the telescopic state can be adjusted when the trailer linearly moves or turns, and the stability of the trailer in the running process is improved;
4) according to the invention, the intelligent control system can collect road information in the front and back directions in the driving process of the trailer and make corresponding feedback, so that linkage control between the mechanical protection device and the Internet of things is realized.
Drawings
FIG. 1 is a schematic view of the overall construction of the trailer of the present invention;
FIG. 2 is a schematic view of the rear structure of the trailer of the present invention;
FIG. 3 is a schematic front view of the mechanical protection device of the present invention;
FIG. 4 is a side view of the mechanical guard of the present invention;
FIG. 5 is a schematic top view of the mechanical guard of the present invention;
FIG. 6 is a control flow chart of the intelligent control system of the present invention.
In the figure: 1. a baffle plate; 2. a rubber bulge; 3. a first spring; 4. a pressure sensor; 5. a movable hinged support; 6. a rod member; 7. a first stopper; 8. a bolt; 9. a second spring; 10. a second stopper; 11. a cylindrical barrel; 12. a guide rail; 13. a high pressure air bladder; 14. a slider; 15. a bottom steel plate; 16. a first distance sensor; 17. a warning device; 18. a second distance sensor; 19. a speed sensor; 20. pneumatic telescopic guide rail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
Referring to fig. 1-6, a hydrogen energy long tube trailer with an intelligent safety device comprises a trailer, wherein a mechanical protection device is arranged on the trailer, and the mechanical protection device is in signal connection with an external intelligent control system.
Specifically, the mechanical protection device comprises a pneumatic telescopic guide rail 20, a baffle 1, a first protection component, a second protection component, a third protection component and a guide rail 12.
Specifically, pneumatic flexible guide rail 20 installs on the bumper of trailer rear, and when the trailer was in the state of turning, pneumatic flexible guide rail 20 contracts in advance, reduces the total length of automobile body, improves the stability that hydrogen energy long tube trailer turned. When the trailer is in a straight driving state, the pneumatic telescopic guide rail 20 is in an extension state, so that safety guarantee is provided for the vehicle.
Specifically, the guide rail 12 is installed at the outer end of the pneumatic telescopic guide rail 20, the first protection component is arranged on the outer side of the baffle 1, and the second protection component and the third protection component are arranged between the baffle 1 and the guide rail 12.
Wherein:
the baffle 1 is a plate structure, and bending sections are arranged on two sides of the baffle.
The first protection assembly comprises a group of rubber protection parts which are uniformly distributed on the outer side surface of the baffle plate 1, each rubber protection part comprises a rubber bulge 2 and a first spring 3, and the first springs 3 are arranged at the lower parts of the rubber bulges 2 and play a role in buffering. The rear-end collision of the rear vehicle strikes on the first protection component, and the elastic recovery acting force of the first spring 3 is utilized to form buffering.
The second protection component comprises a group of high-pressure air airbags 13 and cylindrical cylinders 11 which are arranged in one-to-one correspondence with the high-pressure air airbags 13, the upper ends of the high-pressure air airbags 13 are arranged in the middle of the inner side of the baffle 1, the lower ends of the high-pressure air airbags are inserted into the cylindrical cylinders 11, the cylindrical cylinders 11 are arranged on the guide rails 12, and elastic devices are arranged inside the cylindrical cylinders 11; this elastic force device can adopt elastic element or subassembly such as spring, when the impact of rear-end collision of back car surpassed first protection component's protection threshold value, promoted baffle 1 to extrude high-pressure air gasbag 13, the elastic force device in the high-pressure air gasbag 13 lower extreme compression cylinder section of thick bamboo 11 makes it produce reaction force, forms cushioning effect.
The guide rail 12 comprises a bottom steel plate 15 and slide rails arranged on two sides of the bottom steel plate 15, and the cylindrical barrel 11 is fixedly arranged on the bottom steel plate 15.
The third protection component comprises a first stop block 7, a second stop block 10 and a sliding block 14, the first stop block 7 is installed at two ends of the sliding rail, the second stop block 10 is installed on the sliding rail and is in one-to-one correspondence with the first stop block 7, the sliding block 14 is arranged on the sliding rail in a sliding mode, and the sliding block is located between the first stop block 7 and the second stop block 10. The side part of the sliding block 14 is connected with the second stop block 10 through a second spring 9, and the sliding block 14 is movably connected with the bending section of the stop block 1 through a movable hinged support 5 and a rod piece 6. The movable hinged support 5 is arranged on the inner side surface of the bending section of the baffle plate 1, and two ends of the rod piece 6 are respectively arranged on the movable hinged support 5 and the sliding block 14 through bolts 8.
Specifically, the intelligent control system comprises a central control system, a sensor assembly, a warning device 17 and an annular air bag sleeved on the hydrogen cylinder, and control valves of the trailer accelerator, the sensor assembly, the warning device 17 and the annular air bag are in signal connection with the central control system.
Wherein:
the sensor assembly comprises a pressure sensor 4, a first distance sensor 16, a second distance sensor 18 and a speed sensor 19, wherein the pressure sensor 4 is arranged between the first spring 3 and the baffle plate 1, and the first distance sensor 16 is arranged at the head of the trailer and used for detecting vehicle information in front of the trailer; the rear of a vehicle department of trailer installs the riser, and second distance sensor 18 and speedtransmitter 19 all set up on the riser for detect trailer rear vehicle information.
The protection method of the hydrogen energy long tube trailer provided with the intelligent safety protection device comprises the following steps:
s1, in the running process of the trailer, the first distance sensor 16 collects distance information of the front vehicle in real time, the second distance sensor 18 and the speed sensor 19 monitor the distance, the speed and the acceleration of the rear vehicle in real time, and the collected information is sent to the central control system;
s2, the central control system judges the danger level according to the rear vehicle information collected in the step S1 and makes corresponding processing, and the specific processing procedures are as follows:
2.1, when the danger level is no, normally driving;
2.2, when the danger level is low, the alarm lamp flickers;
2.3, when the danger level is a middle level, a whistle is indicated;
2.4, when the danger level is high, corresponding processing is adopted according to the front vehicle distance information collected in the step S1, and the specific processing process is as follows:
2.4.1, when no vehicle exists in the front monitoring range, the central control system controls the accelerator to automatically supply oil and accelerate, and the safety distance between the central control system and a rear vehicle is increased;
2.4.2, when a vehicle exists in the current monitoring range, the high-pressure air bag 13 starts to be pressurized, and meanwhile, a reminding device in the cab is started to remind a driver of preparing for collision avoidance; when a rear vehicle impacts a mechanical protection device at the tail of a trailer, the pressure sensor 4 transmits the primary impact pressure contacted on the rubber bulge 2 to the central control system, feedback is made through data processing, whether the impact pressure exceeds a protection threshold set by the mechanical protection device is judged, if the impact pressure exceeds the protection threshold, a valve at the opening of the hydrogen cylinder is locked through the central control system, the annular air bag starts to work, generated gas surrounds the hydrogen cylinder to form protection, and the damage degree to the hydrogen cylinder is reduced.
Wherein, in step 2.4.2, when the rear car strikes the mechanical protection device at the tail of the trailer, the specific protection process of the mechanical protection device is as follows:
when the rear vehicle hits the front face of the trailer tail:
1) firstly, a rear vehicle impacts a rubber bulge 2 in the middle of a baffle 1 in a first protection assembly, the rubber bulge 2 compresses a first spring 3, and the reaction force of the first spring 3 forms primary protection buffering;
2) when the impact pressure is greater than the protection threshold value of the primary protection buffer, the baffle plate 1 starts to compress the high-pressure air bag 13, the lower end of the high-pressure air bag 13 compresses the elastic device in the cylindrical barrel 11, and the impact force is absorbed by the reaction force of the elastic device to realize the secondary protection buffer;
3) when the impact pressure is greater than the protection threshold value of the secondary protection buffer, the baffle 1 further compresses the high-pressure air airbag 13, the two sides of the baffle 1 push the rod piece 6, so that the sliding block 14 slides, the second spring 9 is compressed, the impact force is released, and the tertiary protection buffer is realized;
4) when the impact pressure is greater than the protection threshold of the three-level protection buffer, the impact force pushes the guide rail 12 to compress the pneumatic telescopic guide rail 20 to generate a reaction force to resist the compression, so that a four-level protection buffer is formed;
when the rear vehicle hits the trailer rear side:
1) firstly, a rear vehicle impacts a rubber bulge 2 on the side of a baffle 1 in a first protection assembly to compress a first spring 3, so that primary protection buffering is realized;
2) when the impact pressure is greater than the protection threshold value of the primary protection buffer, the two sides of the baffle 1 push the rod piece 6, so that the sliding block 14 slides, the second spring 9 is compressed, the impact force is released, and the secondary protection buffer is realized;
3) when the impact pressure is greater than the protection threshold value of the secondary protection buffer, the impact force is transmitted to the middle part of the baffle 1, the high-pressure air bag 13 starts to be compressed at the middle part of the baffle 1, the lower end of the high-pressure air bag 13 compresses the elastic device in the cylindrical barrel 11, the impact force is absorbed, and the tertiary protection buffer is realized;
4) when the impact pressure is greater than the protection threshold of the three-level protection buffer, the impact force pushes the guide rail 12 to compress the pneumatic telescopic guide rail 20, so that a reaction force is generated, and the four-level protection buffer is formed.
Wherein, the judgment standard of the danger level is as follows:
according to the eighty motor vehicles in the regulations on the implementation of the road traffic safety laws of the people's republic of China, when the speed of the motor vehicles is over 100 kilometers per hour, the motor vehicles should keep a distance of over 100 meters with the vehicles ahead of the same lane, and when the speed of the motor vehicles is less than 100 kilometers per hour, the distance with the vehicles ahead of the same lane can be properly shortened, but the minimum distance is not less than 50 meters. Because the hydrogen long tube trailer is considered to belong to the dangerous goods vehicle, the safety factor is improved by 1 time in the embodiment, and the safety distance is dividedComprises the following steps: the vehicle distance is above 100 m and is no risk, the vehicle distance is between 50 m and 100 m and is determined as low-grade risk, the vehicle distance is between 20 m and 50 m and is determined as medium-grade risk, the vehicle distance is below 20 m and is determined as high-grade risk, the vehicle speed is 80 yards, and the instantaneous acceleration of the rear vehicle is 2.5m/s2The calculation is carried out, the front and the rear vehicles run at the same speed, based on
The corresponding remaining safety time is calculated as the following table:
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Hydrogen can long-tube trailer with intelligent safety device, including the trailer, its characterized in that: the trailer is provided with a mechanical protection device, the mechanical protection device is in signal connection with an external intelligent control system, the mechanical protection device comprises a pneumatic telescopic guide rail (20) and a multi-stage protection assembly, the pneumatic telescopic guide rail (20) is arranged at the tail of the trailer, the multi-stage protection assembly is arranged on the pneumatic telescopic guide rail (20), and the multi-stage protection assembly comprises a baffle (1), a guide rail (12) arranged on the pneumatic telescopic guide rail (20), a first protection assembly arranged on the outer side of the baffle (1), and a second protection assembly and a third protection assembly which are arranged between the baffle (1) and the guide rail (12);
the intelligent control system comprises a central control system, a sensor assembly, a warning device (17) and an annular air bag sleeved on the hydrogen cylinder, and control valves of the trailer accelerator, the sensor assembly, the warning device (17) and the annular air bag are in signal connection with the central control system.
2. The hydrogen energy tube trailer provided with the intelligent safety protection device according to claim 1, characterized in that the baffle (1) is in one of a folded plate structure or a semi-annular structure.
3. The hydrogen energy tube trailer provided with the intelligent safety protection device is characterized in that the first protection component comprises a group of rubber protection pieces uniformly distributed on the outer side of the baffle (1), each rubber protection piece comprises a rubber bulge (2) and a first spring (3), and the first spring (3) is arranged on the lower portion of the rubber bulge (2).
4. The hydrogen energy tube trailer provided with the intelligent safety protection device according to claim 3, wherein the second protection component comprises a group of high-pressure air bags (13) and a cylindrical barrel (11) arranged corresponding to the high-pressure air bags (13), the upper ends of the high-pressure air bags (13) are installed on the baffle (1), the lower ends of the high-pressure air bags are inserted into the cylindrical barrel (11), the cylindrical barrel (11) is installed on the guide rail (12), and an elastic device is arranged inside the cylindrical barrel (11).
5. The hydrogen energy long tube trailer with the intelligent safety protection device is characterized in that the third protection component comprises a first stop block (7) arranged on two sides of the guide rail (12), a second stop block (10) arranged corresponding to the first stop block (7) and a sliding block (14) arranged on the guide rail (12) in a sliding mode, the sliding block (14) is located between the first stop block (7) and the second stop block (10), the sliding block (14) and the second stop block (10) are connected through a second spring (9), and the sliding block (14) is movably connected with the stop block (1) through a movable hinged support (5) and a rod piece (6).
6. The hydrogen energy tube trailer provided with the intelligent safety protection device is characterized in that the sensor assembly comprises a pressure sensor (4), a first distance sensor (16), a second distance sensor (18) and a speed sensor (19), wherein the pressure sensor (4) is arranged between the first spring (3) and the baffle plate (1), the first distance sensor (16) is arranged at the head of the trailer, and the second distance sensor (18) and the speed sensor (19) are arranged at the tail of the trailer.
7. The hydrogen energy long tube trailer with the intelligent safety protection device as claimed in claim 6, wherein the guide rail (12) comprises a bottom steel plate (15) and slide rails arranged on two sides of the bottom steel plate (15), and the bottom steel plate (15) is fixedly connected with the slide rails by welding or screwing.
8. The hydrogen energy tube trailer with the intelligent safety protection device as claimed in claim 1, wherein the warning device (17) is arranged at the tail of the trailer, and the warning device (17) comprises an alarm lamp and a whistle.
9. The safety protection method for the hydrogen energy tube trailer with the intelligent safety protection device as claimed in any one of claims 1 to 8, wherein the method comprises the following steps:
s1, in the running process of the trailer, the first distance sensor (16) collects distance information of the front vehicle in real time, the second distance sensor (18) and the speed sensor (19) monitor the distance, the speed and the acceleration of the rear vehicle in real time, and the collected information is sent to the central control system;
s2, the central control system judges the danger level according to the rear vehicle information collected in the step S1 and makes corresponding processing, and the specific processing procedures are as follows:
2.1, when the danger level is no, normally driving;
2.2, when the danger level is low, the alarm lamp flickers;
2.3, when the danger level is a middle level, a whistle is indicated;
2.4, when the danger level is high, corresponding processing is adopted according to the front vehicle distance information collected in the step S1, and the specific processing process is as follows:
2.4.1, when no vehicle exists in the front monitoring range, the central control system controls the accelerator to automatically supply oil and accelerate, and the safety distance between the central control system and a rear vehicle is increased;
2.4.2, when a vehicle exists in the front monitoring range, the high-pressure air bag (13) starts to be pressurized, and anti-collision preparation is made; when a rear vehicle impacts a mechanical protection device at the tail of a trailer, the pressure sensor (4) transmits the primary impact pressure contacted on the rubber bulge (2) to the central control system, feedback is made through data processing, whether the impact pressure exceeds a protection threshold set by the mechanical protection device or not is judged, if the impact pressure exceeds the protection threshold, a valve of the opening of the hydrogen cylinder is locked through the central control system, the annular air bag starts to work, generated gas surrounds the hydrogen cylinder to form protection, and the damage degree to the hydrogen cylinder is reduced.
10. The safety protection method for hydrogen energy tube trailer with intelligent safety protection device as claimed in claim 9, wherein in step 2.4.2, when the rear vehicle hits the mechanical protection device at the tail of the trailer, the specific protection process of the mechanical protection device is as follows:
when the rear vehicle hits the front face of the trailer tail:
1) firstly, a rear vehicle impacts a rubber bulge (2) in the middle of a baffle (1) in a first protection assembly to compress a first spring (3) so as to realize primary protection buffering;
2) when the impact pressure is greater than the protection threshold value of the primary protection buffer, the baffle (1) starts to compress the high-pressure air bag (13), the lower end of the high-pressure air bag (13) compresses the elastic device in the cylindrical barrel (11) to absorb the impact force, and the secondary protection buffer is realized;
3) when the impact pressure is greater than the protection threshold value of the secondary protection buffer, the baffle (1) further compresses the high-pressure air bag (13), the two sides of the baffle (1) push the rod piece (6), so that the sliding block (14) slides, the second spring (9) is compressed, the impact force is released, and the tertiary protection buffer is realized;
4) when the impact pressure is greater than the protection threshold value of the three-level protection buffer, the impact force pushes the guide rail (12) to compress the pneumatic telescopic guide rail (20) to generate a reaction force to resist compression, so that a four-level protection buffer is formed;
when the rear vehicle hits the trailer rear side:
1) firstly, a rear vehicle impacts a rubber bulge (2) on the side part of a baffle (1) in a first protection assembly to compress a first spring (3) so as to realize primary protection buffering;
2) when the impact pressure is greater than the protection threshold value of the primary protection buffer, the two sides of the baffle (1) push the rod piece (6) to enable the sliding block (14) to slide, the second spring (9) is compressed, the impact force is released, and the secondary protection buffer is realized;
3) when the impact pressure is greater than the protection threshold value of the secondary protection buffer, the impact force is transmitted to the middle part of the baffle (1), the high-pressure air bag (13) starts to be compressed at the middle part of the baffle (1), the lower end of the high-pressure air bag (13) compresses the elastic device in the cylindrical barrel (11), the impact force is absorbed, and the tertiary protection buffer is realized;
4) when the impact pressure is greater than the protection threshold value of the three-level protection buffer, the impact force pushes the guide rail (12) to compress the pneumatic telescopic guide rail (20) to generate a reaction force, and the four-level protection buffer is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210222970.0A CN114312551B (en) | 2022-03-09 | 2022-03-09 | Hydrogen energy long tube trailer with intelligent safety protection device and safety protection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210222970.0A CN114312551B (en) | 2022-03-09 | 2022-03-09 | Hydrogen energy long tube trailer with intelligent safety protection device and safety protection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114312551A true CN114312551A (en) | 2022-04-12 |
| CN114312551B CN114312551B (en) | 2022-06-17 |
Family
ID=81033830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210222970.0A Active CN114312551B (en) | 2022-03-09 | 2022-03-09 | Hydrogen energy long tube trailer with intelligent safety protection device and safety protection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114312551B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10331862A1 (en) * | 2003-07-14 | 2005-02-17 | Siemens Ag | Combined vehicle frame protection device and sensor system for a vehicle occupant airbag protection system, has pressure sensors integrated in the frame protection device to measure a pressure increase during a vehicle impact |
| CN104627069A (en) * | 2015-02-06 | 2015-05-20 | 江苏大学 | Vehicle tailgating preventing system and method |
| DE102014013496A1 (en) * | 2014-09-09 | 2016-03-10 | Hans-Joachim Lange | Bumper assembly for a motor vehicle |
| CN106891840A (en) * | 2017-03-17 | 2017-06-27 | 贵州大学 | A kind of multistage energy absorbing vehicle bumper |
| CN108340863A (en) * | 2018-03-16 | 2018-07-31 | 罗必锋 | A kind of bumper with multiplex buffer gear |
| CN208198586U (en) * | 2017-12-29 | 2018-12-07 | 开沃新能源汽车集团有限公司 | New-energy automobile energy-storage system collision protection airbag apparatus |
| CN110001559A (en) * | 2019-03-12 | 2019-07-12 | 包头市鹏辉光电科技有限公司 | A kind of new-energy automobile stagewise buffer-type bumper |
| CN110370956A (en) * | 2019-08-19 | 2019-10-25 | 交通运输部公路科学研究所 | A kind of hydrogen fuel cell lorry hydrogen energy system protective device |
| CN112092757A (en) * | 2020-10-14 | 2020-12-18 | 安徽理工大学 | Novel multistage buffering energy-absorbing anticollision roof beam of collision skew |
| CN213534632U (en) * | 2020-10-08 | 2021-06-25 | 吕庆志 | Safety automobile anti-collision device |
| CN113071307A (en) * | 2021-04-30 | 2021-07-06 | 奇瑞汽车股份有限公司 | Automobile-mounted fuel storage tank protection system and control method thereof |
-
2022
- 2022-03-09 CN CN202210222970.0A patent/CN114312551B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10331862A1 (en) * | 2003-07-14 | 2005-02-17 | Siemens Ag | Combined vehicle frame protection device and sensor system for a vehicle occupant airbag protection system, has pressure sensors integrated in the frame protection device to measure a pressure increase during a vehicle impact |
| DE102014013496A1 (en) * | 2014-09-09 | 2016-03-10 | Hans-Joachim Lange | Bumper assembly for a motor vehicle |
| CN104627069A (en) * | 2015-02-06 | 2015-05-20 | 江苏大学 | Vehicle tailgating preventing system and method |
| CN106891840A (en) * | 2017-03-17 | 2017-06-27 | 贵州大学 | A kind of multistage energy absorbing vehicle bumper |
| CN208198586U (en) * | 2017-12-29 | 2018-12-07 | 开沃新能源汽车集团有限公司 | New-energy automobile energy-storage system collision protection airbag apparatus |
| CN108340863A (en) * | 2018-03-16 | 2018-07-31 | 罗必锋 | A kind of bumper with multiplex buffer gear |
| CN110001559A (en) * | 2019-03-12 | 2019-07-12 | 包头市鹏辉光电科技有限公司 | A kind of new-energy automobile stagewise buffer-type bumper |
| CN110370956A (en) * | 2019-08-19 | 2019-10-25 | 交通运输部公路科学研究所 | A kind of hydrogen fuel cell lorry hydrogen energy system protective device |
| CN213534632U (en) * | 2020-10-08 | 2021-06-25 | 吕庆志 | Safety automobile anti-collision device |
| CN112092757A (en) * | 2020-10-14 | 2020-12-18 | 安徽理工大学 | Novel multistage buffering energy-absorbing anticollision roof beam of collision skew |
| CN113071307A (en) * | 2021-04-30 | 2021-07-06 | 奇瑞汽车股份有限公司 | Automobile-mounted fuel storage tank protection system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114312551B (en) | 2022-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201049624Y (en) | Impact cushioning and protecting device for automobile | |
| CN102424047A (en) | Automobile, anti-side turning safety system for automobile and anti-side turning safety device thereof | |
| CN108146379B (en) | System and method for maintaining life space of passenger car under limit collision working condition | |
| CN109238733A (en) | A kind of mobile simulated target vehicle of automobile AEBS testing experiment | |
| CN112109764B (en) | Car stopper and rail vehicle anti-collision method | |
| CN201056189Y (en) | Triggering type vehicle buffering mechanism for crash | |
| CA3231784A1 (en) | Intelligent anti-creeping system for rail train, control method, and rail train | |
| CN114312551B (en) | Hydrogen energy long tube trailer with intelligent safety protection device and safety protection method | |
| CN117881581A (en) | Impact damping device for automobile collision | |
| CN203372173U (en) | Automobile collision-preventing buffering device | |
| CN104442649A (en) | Air bag type collision buffer device | |
| CN102501875B (en) | Anti-collision device for step type multistep air compression energy absorption locomotive | |
| CN201544901U (en) | Pneumatic collision energy absorbing device of automobile | |
| CN204222792U (en) | The endergonic structure of a kind of Federal bumper and vehicle frame | |
| CN202378862U (en) | Automobile, anti-overturn safety system and anti-overturn safety device for automobile | |
| CN105216724A (en) | Buffer device for collision of automobile | |
| CN204915904U (en) | Two wheeler automatic safety device that turns on one's side | |
| CN2685161Y (en) | Vehicle damping protector in head-on collision | |
| CN2681954Y (en) | Automobile collision safety cushioning device | |
| CN1369389A (en) | Centrifugal balancing system for preventing side turn-over of car | |
| CN206383925U (en) | Car anti-collision new type of safe crossbeam | |
| CN115123126A (en) | Automatic anti-collision device and method for intelligent driving auxiliary system of automobile | |
| CN2858412Y (en) | Automobile intelligent anti-collision device | |
| CN2790846Y (en) | Oil-gas combined automatic collision-proof device | |
| CN207607456U (en) | A kind of limit collides the life space holding system of passenger car under operating mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |