CN111693303A - Testing field and testing method for flat road and reinforced road - Google Patents
Testing field and testing method for flat road and reinforced road Download PDFInfo
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- CN111693303A CN111693303A CN202010753936.7A CN202010753936A CN111693303A CN 111693303 A CN111693303 A CN 111693303A CN 202010753936 A CN202010753936 A CN 202010753936A CN 111693303 A CN111693303 A CN 111693303A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention relates to the technical field of road testing, and particularly discloses a flat road and reinforced road testing field and a testing method, wherein the testing field comprises an annular reinforced road, and the annular reinforced road comprises a circle of connecting roads and at least one circle of reinforced roads; the connecting road is positioned at the innermost side of the annular reinforced road; the flat road is positioned in the annular reinforced road; the flat road is adjacent to the connecting road. By adopting the technical scheme of the invention, the proportion of the flat road to the reinforced road in the test can be freely adjusted.
Description
Technical Field
The invention relates to the technical field of road testing, in particular to a flat road and reinforced road testing field and a testing method.
Background
With the continuous development of the automobile industry, the market competition is increasingly intense, and therefore, the quality of automobile products is highly valued by various automobile manufacturers. As is well known, in order to effectively improve the quality of automobile products, comprehensive and reliable product testing means can be applied, wherein a test runway for testing the performance of an automobile on a certain scale is built as one of the methods, so that the items such as automobile braking, speed, steering, abnormal sound, shock resistance, leakage and the like can be effectively detected.
At present, a high-speed annular flat road and a reinforced road exist, wherein the reinforced road is also called a durable road and comprises a pothole road, a vibration road, a washboard road and other road surfaces; the flat road refers to a road with a flat road surface. The automobile needs to run on two roads respectively so as to carry out respective assessment on the automobile performance. However, because the two roads are constructed independently, the requirement on space is large, and the cost is high. When the automobile is tested, the automobile can only be tested on one road and then transferred to another road for testing.
This results in the car not being able to freely perform a switch test on both types of roads, and it is difficult to simulate the situation in which various types of roads randomly appear during actual driving.
Disclosure of Invention
The invention provides a flat road and reinforced road test field and a test method, which can freely adjust the proportion of a flat road and a reinforced road in a test.
In order to solve the technical problem, the present application provides the following technical solutions:
a flat road and reinforced road test field comprises an annular reinforced road, wherein the annular reinforced road comprises a circle of connecting roads and at least one circle of reinforced roads; the connecting road is positioned at the innermost side of the annular reinforced road; the flat road is positioned on the inner side of the annular reinforced road; the flat road is adjacent to the connecting road.
The basic scheme principle and the beneficial effects are as follows:
in this scheme, set up flat road in the road is reinforceed to the annular for original place that can only build a road is reinforceed to the annular can effectively hold the road of two kinds of different grade types now, has improved space utilization, has practiced thrift land resource, also the cost is reduced. When the automobile is tested, the automobile can run on a flat road and a reinforced road according to preset test requirements, and enters the flat road from the reinforced road through a connecting road or enters the reinforced road from the flat road through the connecting road, in other words, the automobile can be freely switched between the reinforced road and the flat road, and the running mileage proportion can be freely adjusted. Compared with the prior road test of different types, the test is more flexible and more convenient, the time wasted in the transition is reduced, and the test efficiency is higher.
Further, the flat road sequentially comprises a first express way, a second express way and an expressway from outside to inside, wherein the first express way is adjacent to the connecting way.
Different types of test roads are arranged in the flat road, so that the test requirements of different speeds of the vehicle can be met.
Further, the flat road further comprises a first emergency-avoidance lane and a second emergency-avoidance lane; two ends of the first fast track and the second fast track are both connected with head dropping tracks; one head-off passage is connected with the first emergency danger avoiding passage, and the other head-off passage is connected with the second emergency danger avoiding passage.
The turning lane is arranged, so that the vehicle can travel around the first fast lane and the second fast lane, and the first emergency avoidance lane and the second emergency avoidance lane can buffer when the vehicle brake fails, so that the safety of the test is ensured.
Furthermore, the flat road also comprises a third emergency escape way and two arc-shaped ways, and two ends of the expressway are respectively connected with the connecting way through the arc-shaped ways; the third emergency-avoiding track is connected with the arc-shaped track at one end of the expressway.
When the vehicle runs on the connecting road, the vehicle can run into the expressway through the arc-shaped road to be tested, and the switching is convenient.
Further, the flat road further comprises a first isolation zone and a second isolation zone, the first isolation zone is respectively adjacent to the connecting road and the first express way, and the second isolation zone is adjacent to the express way.
The vehicle can be driven according to a specified route by arranging the isolation belt, for example, the arrangement of the first isolation belt avoids the vehicle from being randomly switched between the connecting road and the first express way, promotes the vehicle to drive according to the specified route, and ensures the driving safety. Especially, when a plurality of vehicles are tested simultaneously, the interference of the vehicles which do not run according to the regulations on other vehicles can be avoided.
Further, the lengths of the first express way, the second express way and the high speed way are 2km-5 km.
Ensuring that the vehicle has sufficient length to accelerate and decelerate.
Further, the highest speed limit of the first express way and the second express way is 150km/h, and the highest speed limit of the express way is 180 km/h.
The vehicle can conveniently select different roads according to different speed test requirements.
Furthermore, road marking lines are marked in the middle of the lanes of the expressway, the first expressway and the second expressway, and a plurality of indicator lamps are uniformly arranged along the road marking lines; the expressway, the first expressway and the second expressway are also uniformly provided with a plurality of photosensitive sensor groups along the vehicle running direction, and the photosensitive sensor groups are positioned on the wheel running path; the photosensitive sensor group comprises a plurality of photosensitive sensors, and the photosensitive sensors are arranged along the direction vertical to the road marking;
the system comprises a photosensitive sensor, a processing module and a control module, wherein the photosensitive sensor is used for acquiring light signals, calculating the interval time of two times of light full extinguishment in the same group of photosensitive sensors and calculating the current speed of the vehicle based on the interval time and the pre-stored vehicle wheel base; the processing module is also used for judging whether the current vehicle speed is equal to a preset test vehicle speed or not, and if the current vehicle speed is equal to the preset test vehicle speed, the processing module controls the indicator lamp to display a first color; if the speed is less than the preset test speed, the processing module controls the indicator lamp to display a second color; and if the vehicle speed is greater than the preset test vehicle speed, the processing module controls the indicator lamp to display a third color.
The current speed is difficult to accurately display by a speedometer on the vehicle, so that the test requirement cannot be met; in the scheme, by arranging the photosensitive sensors, when a vehicle passes through the photosensitive sensor group, the tire presses on at least one photosensitive sensor, and the photosensitive sensor can be completely shielded; the vehicle speed can be accurately calculated according to the wheel base of the vehicle and the time interval between the driving of the front wheels and the driving of the rear wheels. The driver just can know whether current speed of a motor vehicle satisfies the experimental requirement through the colour that the pilot lamp shows on observing the road marking fast, and the managers of test field also can know current speed of a motor vehicle fast through the colour that the pilot lamp shows. For example, when checking braking, if the vehicle is not decelerating as required, the manager can judge whether the vehicle has the risk of rushing into the emergency escape way and prepare in advance.
Further, the top of the photosensitive sensor is flush with the road surface.
A flat road and reinforced road test method uses a flat road and reinforced road test field, and also includes the following steps:
enabling the vehicle to run along the reinforced road, and enabling the vehicle to run into the connecting road when the running distance of the vehicle on the reinforced road meets a preset first distance;
when the vehicle reaches the intersection connecting the road and the arc road, the vehicle is driven into the arc road;
enabling the vehicle to drive into the expressway from the arc-shaped road, and enabling the vehicle to drive into a second expressway from the expressway when the driving distance of the vehicle on the expressway meets a preset second distance;
and enabling the vehicle to travel around the second expressway and the first expressway, and ending the test when the travel distance of the vehicle between the second expressway and the first expressway meets a preset third distance.
In the scheme, when the automobile is tested, the automobile can run on a flat road and a reinforced road according to the preset test requirement, and enters the flat road from the reinforced road through a connecting road or enters the reinforced road from the flat road through the connecting road. The vehicle can be freely switched between the reinforced road and the flat road, and the proportion of the traveled mileage can be freely adjusted; compared with the existing field transfer, the test is more flexible and convenient, the time wasted in the field transfer is reduced, and the test efficiency is higher.
Drawings
FIG. 1 is a top view of a flat road and enhanced road test site according to an embodiment;
FIG. 2 is a partial enlarged view of a flat road and reinforced road test site according to an embodiment.
Detailed Description
The following is further detailed by way of specific embodiments:
the reference numbers in the drawings of the specification include: heavy-duty vehicle reinforced road 1, light-duty vehicle reinforced road 2, connecting road 3, first isolation belt 4, first express way 5, second express way 6, express way 7, second isolation belt 8, first emergency escape way 9, second emergency escape way 10, third emergency escape way 11, turn-around road 12 and arc-shaped road 13.
Example one
As shown in fig. 1, the flat road and reinforced road test site of the present embodiment includes an annular reinforced road, where the annular reinforced road includes a circle of connecting roads 3 and at least one circle of reinforced roads; the connecting road 3 is located at the innermost side of the annular reinforced road. In this embodiment, the reinforcement track is a circle, and the connection track 3 is adjacent to the reinforcement track.
The connecting road 3 and the reinforced road comprise two sections of arc road sections and at least two sections of straight line sections. In this embodiment, the connecting road 3 and the reinforced road both include two arc road sections and three straight line sections; in the reinforced road, two straight line sections are heavy vehicle reinforced road 1, and the other straight line section is light vehicle reinforced road 2.
As shown in fig. 2, a flat road is also included; the flat road is adjacent to a straight line segment connecting the roads 3.
The flat road comprises a first isolation zone 4, a first express way 5, a second express way 6, an express way 7 and a second isolation zone 8 from outside to inside in sequence. The first isolation strip 4 is adjacent to the straight section of the connecting duct 3. In the embodiment, the highest speed limit of the first express way 5 and the second express way 6 is 150km/h, and the highest speed limit of the express way 7 is 180 km/h. In this embodiment, the first fasttrack 5 and the second fasttrack 6 are only distinguished by name; in other embodiments, a plurality of express lanes can be added, and high speed tests with the highest speed limit of 80km/h, 120km/h, 150km/h and 180km/h can be carried out. The setting of the highest speed limit can be adaptively adjusted according to the personnel management level and the vehicle quality.
Wherein, the high-speed road 7, the first high-speed road 5 and the second high-speed road 6 start at the position of each end with the distance of 500m from the end point, the brake is checked, and the speed is limited to 60 km/h; starting at 300m from the end of each end, the speed was limited to 40 km/h.
The lengths of the first expressway 5, the second expressway 6 and the expressway 7 are 2km to 5 km.
The two ends of the highway 7 are connected with the connecting channel 3 through arc channels 13.
A first emergency escape way 9, a second emergency escape way 10 and a third emergency escape way 11 are also included. In this embodiment, the first and second emergency escape routes 9 and 10 have a length of 50m, and the third emergency escape route 11 has a length of 100 m.
Two ends of the first fast track 5 and the second fast track 6 are both connected with a head dropping track 12; a head-off lane 12 is connected to the first escape lane 9 and another head-off lane 12 is connected to the second escape lane 10.
The third escape route 11 is connected to an arc-shaped route 13 at one end of the expressway 7.
Based on the flat road and the reinforced road test field, the embodiment further provides a flat road and reinforced road test method, which comprises the following steps:
enabling the vehicle to run along the reinforced road, and enabling the vehicle to run into the 3 roads of the connecting road when the running distance of the vehicle on the reinforced road meets a preset first distance;
when the vehicle reaches the intersection of the connecting road 3 and the arc road 13, the vehicle is driven into the arc road 13; as shown in fig. 2, in this embodiment, the vehicle enters the arc-shaped road 13 from the intersection of the upper connecting road 3 and the arc-shaped road 13, and the vehicle exits from the flat road and enters the connecting road 3 from the intersection of the lower connecting road 3 and the arc-shaped road 13; in other words, in the present embodiment, the vehicle travels counterclockwise.
Enabling the vehicles to drive into the expressway 7 from the arc-shaped road 13, and enabling the vehicles to drive into the second expressway 6 from the expressway 7 when the driving distance of the vehicles on the expressway 7 meets a preset second distance;
and enabling the vehicle to travel around the second expressway 6 and the first expressway 5, and ending the test when the travel distance of the vehicle between the second expressway 6 and the first expressway 5 meets a preset third distance. When the vehicle runs around, the vehicle runs into the turn-around lane 12 after running to one end of the second express way 6, and then enters the first express way 5 from the turn-around lane 12.
Example two
The difference between the embodiment and the first embodiment is that in the flat road and the reinforced road test field in the embodiment, road markings are drawn in the middles of lanes of the expressway, the first expressway and the second expressway, and a plurality of indicator lights are uniformly installed along the road markings; in the embodiment, the indicator lamp adopts an LED lamp, and the surface of the indicator lamp is flush with the road surface;
the expressway, the first expressway and the second expressway are also uniformly provided with a plurality of photosensitive sensor groups along the vehicle running direction, and the photosensitive sensor groups are positioned on the wheel running path; the photosensitive sensor group comprises a plurality of photosensitive sensors, and the photosensitive sensors are transversely arranged and are perpendicular to the road marking. The top of the photosensitive sensor is flush with the road surface.
The system comprises a photosensitive sensor, a processing module and a control module, wherein the photosensitive sensor is used for acquiring light signals, calculating the interval time of two times of light full extinguishment in the same group of photosensitive sensors and calculating the current speed of the vehicle based on the interval time and the pre-stored vehicle wheel base; the processing module is also used for judging whether the current vehicle speed is equal to a preset test vehicle speed or not, and if the current vehicle speed is equal to the preset test vehicle speed, the processing module controls the indicator lamp to display a first color; if the speed is less than the preset test speed, the processing module controls the indicator lamp to display a second color; and if the vehicle speed is greater than the preset test vehicle speed, the processing module controls the indicator lamp to display a third color. In this embodiment, the first color is green, the second color is yellow, and the third color is red; in other embodiments, the first color, the second color and the third color may be different and easily distinguished.
The flat road and reinforced road testing method in the embodiment uses the flat road and reinforced road testing field.
The current speed is difficult to accurately display by a speedometer on the vehicle, so that the test requirement cannot be met; in the scheme, by arranging the photosensitive sensors, when a vehicle passes through the photosensitive sensor group, the tire presses on at least one photosensitive sensor, and the photosensitive sensor can be completely shielded; the vehicle speed can be accurately calculated according to the wheel base of the vehicle and the time interval between the driving of the front wheels and the driving of the rear wheels. The driver just can know whether current speed of a motor vehicle satisfies the experimental requirement through the colour that the pilot lamp shows on observing the road marking fast, and the managers of test field also can know current speed of a motor vehicle fast through the colour that the pilot lamp shows. For example, when checking braking, if the vehicle is not decelerating as required, the manager can judge whether the vehicle has the risk of rushing into the emergency escape way and prepare in advance.
The above are merely examples of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art can know all the common technical knowledge in the technical field before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the scheme, and some typical known structures or known methods should not become barriers to the implementation of the present invention by those skilled in the art in light of the teaching provided in the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A test field for a flat road and a reinforced road comprises an annular reinforced road, and is characterized in that the annular reinforced road comprises a circle of connecting road and at least one circle of reinforced road; the connecting road is positioned at the innermost side of the annular reinforced road; the flat road is positioned on the inner side of the annular reinforced road; the flat road is adjacent to the connecting road.
2. The flat road and reinforced road test site as claimed in claim 1, wherein: the flat road sequentially comprises a first express way, a second express way and an expressway from outside to inside, wherein the first express way is adjacent to the connecting way.
3. The flat road and reinforced road test site as claimed in claim 2, wherein: the flat road further comprises a first emergency escape way and a second emergency escape way; two ends of the first fast track and the second fast track are both connected with head dropping tracks; one head-off passage is connected with the first emergency danger avoiding passage, and the other head-off passage is connected with the second emergency danger avoiding passage.
4. The flat road and reinforced road test site as claimed in claim 3, wherein: the flat road further comprises a third emergency escape way and two arc-shaped ways, and two ends of the expressway are connected with the connecting way through the arc-shaped ways respectively; the third emergency-avoiding track is connected with the arc-shaped track at one end of the expressway.
5. The flat road and reinforced road test site as claimed in claim 4, wherein: the flat road further comprises a first isolation zone and a second isolation zone, the first isolation zone is adjacent to the connecting road and the first express way respectively, and the second isolation zone is adjacent to the express way.
6. The flat road and reinforced road test site as claimed in claim 5, wherein: the lengths of the first express way, the second express way and the express way are 2km-5 km.
7. The flat road and reinforced road test site as claimed in claim 6, wherein: the highest speed limit of the first express way and the second express way is 150km/h, and the highest speed limit of the express way is 180 km/h.
8. The flat road and reinforced road test site as claimed in claim 7, wherein: the middle of the lanes of the expressway, the first expressway and the second expressway are marked with road markings, and a plurality of indicator lamps are uniformly arranged along the road markings; the expressway, the first expressway and the second expressway are also uniformly provided with a plurality of photosensitive sensor groups along the vehicle running direction, and the photosensitive sensor groups are positioned on the wheel running path; the photosensitive sensor group comprises a plurality of photosensitive sensors, and the photosensitive sensors are arranged along the direction vertical to the road marking;
the system comprises a photosensitive sensor, a processing module and a control module, wherein the photosensitive sensor is used for acquiring light signals, calculating the interval time of two times of light full extinguishment in the same group of photosensitive sensors and calculating the current speed of the vehicle based on the interval time and the pre-stored vehicle wheel base; the processing module is also used for judging whether the current vehicle speed is equal to a preset test vehicle speed or not, and if the current vehicle speed is equal to the preset test vehicle speed, the processing module controls the indicator lamp to display a first color; if the speed is less than the preset test speed, the processing module controls the indicator lamp to display a second color; and if the vehicle speed is greater than the preset test vehicle speed, the processing module controls the indicator lamp to display a third color.
9. The flat road and reinforced road test site as claimed in claim 8, wherein: the top of the photosensitive sensor is flush with the road surface.
10. A flat road and reinforced road test method, characterized in that the flat road and reinforced road test field of any one of claims 1-7 is used, and the method further comprises the following steps:
enabling the vehicle to run along the reinforced road, and enabling the vehicle to run into the connecting road when the running distance of the vehicle on the reinforced road meets a preset first distance;
when the vehicle reaches the intersection connecting the road and the arc road, the vehicle is driven into the arc road;
enabling the vehicle to drive into the expressway from the arc-shaped road, and enabling the vehicle to drive into a second expressway from the expressway when the driving distance of the vehicle on the expressway meets a preset second distance;
and enabling the vehicle to travel around the second expressway and the first expressway, and ending the test when the travel distance of the vehicle between the second expressway and the first expressway meets a preset third distance.
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| CN202010753936.7A CN111693303A (en) | 2020-07-30 | 2020-07-30 | Testing field and testing method for flat road and reinforced road |
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| CN202010753936.7A CN111693303A (en) | 2020-07-30 | 2020-07-30 | Testing field and testing method for flat road and reinforced road |
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