CN113467443A - Edge-pasting control device of road roller, road roller group and control method - Google Patents

Edge-pasting control device of road roller, road roller group and control method Download PDF

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Publication number
CN113467443A
CN113467443A CN202110661952.8A CN202110661952A CN113467443A CN 113467443 A CN113467443 A CN 113467443A CN 202110661952 A CN202110661952 A CN 202110661952A CN 113467443 A CN113467443 A CN 113467443A
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CN
China
Prior art keywords
road roller
light
emitting device
roller
visible
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Granted
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CN202110661952.8A
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Chinese (zh)
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CN113467443B (en
Inventor
谭斌
钟辉平
单川
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Hunan Sanyi Huayuan Machinery Co
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Hunan Sanyi Huayuan Machinery Co
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Priority to CN202110661952.8A priority Critical patent/CN113467443B/en
Publication of CN113467443A publication Critical patent/CN113467443A/en
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Publication of CN113467443B publication Critical patent/CN113467443B/en
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/02—Control of position or course in two dimensions
    • G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
    • G05D1/0238—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using obstacle or wall sensors
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs

Abstract

The invention provides a road roller welting control device, a road roller group and a control method, wherein the road roller welting control device comprises a light-emitting device which is arranged on the road roller, the light-emitting device can emit visible light beams, and visible line segments are formed by projection on a working surface in front of and/or behind the road roller, wherein the visible line segments and the longitudinal boundary of the road roller are on the same straight line, a driver can control the road roller to operate according to the position relation between the visible line segments and other reference objects on the working surface, and the driver does not need to repeatedly observe the actual working surface and a panoramic image displayed in display equipment, so that the fatigue possibility of the driver is reduced, and the operation safety is improved.

Description

Edge-pasting control device of road roller, road roller group and control method
Technical Field
The invention relates to the technical field of vehicle control, in particular to a control device for a welt of a road roller, the road roller, a road roller group and a control method.
Background
In actual construction operation, the road roller needs to carry out welting rolling operation under the condition of a road edge stone or a guardrail, in traditional operation, a driver needs to mark the front and the back of a vehicle body respectively according to self sitting posture, and the welting rolling operation is carried out in a mode of three points and one line of eyes, a marker and a road edge. The technical difficulty of adopting the above scheme to operate is high, and the condition that the deviation leads to welting leak pressure or crush the curb easily appears.
In the related technical scheme, a 360-degree panoramic synthesis technology is adopted, and panoramic images of scenes around the road roller are obtained through splicing, so that a driver can control a vehicle through the panoramic images.
The technical personnel in the field find that the adoption of the scheme for operation has the following disadvantages, such as obvious distortion of the panoramic image and difficult accurate control, and meanwhile, because of the size limitation of the display equipment for displaying the panoramic image on the road roller, a driver needs to spend more energy to observe, and the driver is easy to be tired and the operation safety is influenced by the fact that the driver needs to watch the actual situation around the vehicle when the vehicle is controlled.
Disclosure of Invention
The present invention is directed to solving or improving at least one of the technical problems of the prior art or the related art.
To this end, a first aspect of the invention provides a welt control apparatus for a road roller.
In a second aspect of the invention, a roller is provided.
A third aspect of the present invention provides a roller cluster.
In a fourth aspect of the invention, a control method for a welt control device of a road roller is provided.
In view of the above, according to a first aspect of the invention, there is provided a road roller welt control apparatus, wherein the road roller welt control apparatus comprises a light emitting device, wherein the light emitting device is arranged on the road roller and is capable of emitting a visible light beam, and the visible light beam is projected on a working surface in front of and/or behind the road roller to form a visible line segment, wherein the visible line segment is collinear with a longitudinal boundary of the road roller.
The technical scheme of the application provides a welt control device of a road roller, wherein the device can be arranged on the road roller so as to project visible line segments on a working surface in front of and/or behind the road roller, the light-emitting device is in a static state relative to the road roller, so that the position relation between the visible line segments and the road roller is fixed under the condition that the relative position between the road roller and the working surface is relatively stable, and the visible line segments are projected and displayed on the working surface and can be observed by a driver, so that the driver can control the road roller to work according to the position relation between the visible line segments and other reference objects on the working surface.
When the road roller welting control device is used for operation, a driver can realize the precise control of an operated object on an operation surface by observing the operation surface and a visible line segment projected on the operation surface, and the driver does not need to repeatedly observe the actual operation surface and a panoramic image displayed in display equipment, so that the fatigue possibility of the driver is reduced, and the operation safety is further improved.
The technical scheme includes that the edge-pasting control device of the road roller comprises a light-emitting device arranged on the road roller, wherein the light-emitting device is fixed on the road roller so as to project on an operation surface after the light-emitting device emits visible light beams and form visible line segments. In addition, the road roller welt controlling device claimed in the present application further has the following additional technical features, specifically, including:
in the above technical solution, the method further comprises: the light source detection device is arranged on the road roller and used for acquiring the light intensity around the road roller; and the control device is connected with the light source detection device and the light-emitting device and is used for controlling the operating parameters of the light-emitting device according to the light source detection device.
In this technical solution, considering that the working scene of the road roller is not fixed, the visible line segment may become invisible or difficult to be observed when the used scene changes.
In order to avoid the situation, the technical scheme of the application specifically limits that the welting control device of the road roller is further provided with a light source detection device and a control device, and the light source detection device and the control device are arranged to control the operating parameters of the light-emitting device so as to ensure that the visible line segment generated by the light-emitting device is observed by a driver.
Specifically, the light source detection device is used for collecting the light intensity around the road roller, so that the condition which needs to be met if a visible light beam is projected on the current working surface to form a visible line segment is determined, the operating parameters of the light-emitting device are determined according to the light intensity around the road roller, the light-emitting device is controlled to operate according to the operating parameters, and the situation that the visible line segment generated by the light-emitting device is interfered by the working surface and cannot be observed is avoided.
In any of the above technical solutions, the control device is specifically configured to: controlling a light-emitting device to emit a visible light beam of a first color based on the increase of the light intensity around the road roller to be above a preset threshold value; and controlling the light-emitting device to emit the visible light beam of the second color based on the light intensity around the road roller being reduced to or below a preset threshold value, wherein the first color and the second color are different in color.
In the technical scheme, the light-emitting color of the light-emitting device is adjusted by controlling the light-emitting device according to the change condition of the light intensity around the road roller, so that the operation requirements under different operation scenes are met.
Under the normal condition, in the operation scene with good light such as daytime, the light-emitting device can emit the visible light beam with the first color so that the driver can operate, the light intensity around the road roller is continuously reduced along with the continuous reduction of the light intensity around the road roller, if the light intensity around the road roller is continuously reduced near the evening, if the light intensity is detected to be reduced to a preset threshold value or below the preset threshold value, the light color emitted by the light-emitting device is controlled to be changed from the first color to the second color so that the driver can accurately observe the visible line segment, and the operation accuracy is ensured.
In any of the above technical solutions, the control device is further configured to: and controlling the light-emitting device in the position of the obstacle to operate based on the obstacle detected within the preset distance.
In the technical scheme, the control device is further used for acquiring the detection condition of the road roller on the obstacle, specifically, acquiring the detection result of the obstacle detected within the preset distance, and controlling the light-emitting device in the position of the obstacle to operate so as to form a visible line segment by projection on the working surface corresponding to the position of the obstacle. At the moment, the display of the visible line segment plays a role in reminding a driver of safe driving, so that the driver can control the road roller in time, the probability of collision between the road roller and an obstacle is reduced, and the operation safety of the road roller is ensured in the process.
In any of the above technical solutions, the operation parameters include: one or more of the values of emission power, emission color, size of visible light beam, length of visible line segment.
In the technical scheme, the brightness of the visible line segment is adjusted by setting or adjusting the transmitting power, so that the driver can conveniently distinguish and judge the visible line segment, and the visible line segment can be observed by the driver; through setting up luminous colour to distinguish the colour of visible line segment and the colour of operation face, ensure that visible line segment can be observed by the driver, similarly, through setting up or adjusting the size of visible light beam and the length value of visible line segment, make things convenient for the driver to distinguish and judge, so that the driver can be according to actual operation environment, rationally adjust the length and the width of visible line segment, ensure that visible line segment can be observed by the driver.
In any of the above technical solutions, the device further comprises a support, the light emitting device is arranged on the road roller through the support, the support is a three-dimensional rotating support, wherein the posture is adjusted based on the three-dimensional rotating support, and the visible line segment can be aligned with the longitudinal boundary of the road roller in a superposition manner.
In the technical scheme, the support is specifically limited to be capable of adjusting the posture, so that a driver can align the visible line segment with the longitudinal boundary of the road roller in a superposition manner by adjusting the posture of the support, and at the moment, the visible line segment can directly reflect the position of the longitudinal boundary of the road roller, so that the driver can operate according to the visible line segment, and the operation safety is ensured.
According to a second aspect of the invention there is provided a roller wherein the roller is provided with a roller welt control apparatus as defined in the first aspect.
In this technical solution, a road roller is proposed, wherein the road roller has the welt control device of the road roller, so the road roller has all the beneficial technical effects of the welt control device of the road roller, and the details are not repeated herein.
According to a third aspect of the present invention, there is provided a roller cluster comprising at least two rollers, each roller having a welt control device as in any one of the first aspects, wherein when the two rollers are travelling in opposite directions and have overlapping paths, and the distance between the two rollers is smaller than a predetermined distance, the light emitting devices of the two rollers adjacent to the overlapping region of the paths are respectively turned on, the light emitting device of one of the two rollers emits a visible light beam of a third color, the other roller emits a visible light beam of a fourth color, and the third color is different from the fourth color.
Each road roller in the set of road rollers proposed in the present application has the welt control device of the first aspect, and therefore the set of road rollers has all the beneficial technical effects of the welt control device of the road roller described above, and will not be described herein again.
In addition, when the two road rollers travel in opposite directions and have overlapped paths and the distance between the two road rollers is smaller than the preset distance, the light-emitting devices of the two road rollers close to the overlapped region of the paths respectively emit visible light beams with different colors, so that the operation interference between the different road rollers is reduced, and the operation safety is ensured.
According to a fourth aspect of the present invention, there is provided a method for controlling a road roller welting control device, the road roller welting control device including a light emitting device and a light source detecting device, wherein the light emitting device is capable of emitting a visible light beam, and a visible line segment is formed by projection on a working surface in front of and/or behind the road roller, the light source detecting device is provided on the road roller and is configured to collect light intensity around the road roller, the method for controlling the road roller welting control device includes: controlling a light source detection device to acquire the light intensity around the road roller; the operating parameters of the lighting device are controlled in dependence on the intensity of the light around the roller.
The technical scheme of the application provides a control method of a road roller welting control device, wherein the road roller welting control device can be installed on a road roller so as to project visible line segments on a working surface in front of and/or behind the road roller, and the light-emitting device is in a static state relative to the road roller, so that the position relation between the visible line segments and the road roller is fixed under the condition that the relative position between the road roller and the working surface is relatively stable.
When the road roller adopting the road roller welting control device works, a driver can realize the precise control of the operated object on the working surface by observing the working surface and the visible line segment projected on the working surface, and the driver does not need to repeatedly observe the actual working surface and the panoramic image displayed in the display equipment, so that the fatigue possibility of the driver is reduced, and the safety of the operation is further improved.
In particular, given that the scene in which the roller is operated is not fixed, the visible line segments may become invisible or difficult to observe in the event of a change in the scene of use.
In order to avoid the situation, the technical scheme of the application specifically limits that the welting control device of the road roller is further provided with a light source detection device, and sets the operation parameters of the light-emitting device by setting the light source detection device so as to ensure that the visible line segment generated by the light-emitting device is observed by a driver.
Specifically, the light source detection device is used for collecting the light intensity around the road roller, so that the condition which needs to be met if a visible light beam is projected on the current working surface to form a visible line segment is determined, the operating parameters of the light-emitting device are determined according to the light intensity, the light-emitting device is controlled to operate according to the operating parameters, and the situation that the visible line segment generated by the light-emitting device is interfered by the working surface and cannot be observed by the light-emitting device is avoided.
In addition, the control method of the road roller welt control device claimed in the present application further has the following additional technical features, specifically, the method includes:
in the above technical solution, the method further comprises: receiving a starting signal of a welt control device of the road roller, and controlling the light-emitting device to operate; or receiving a closing signal of the edge-pasting control device of the road roller, and controlling the light-emitting device to stop running.
In the technical scheme, the light-emitting device is not operated in real time, namely the light-emitting device is not projected to a working surface at any time to form a visible line segment, the light-emitting device needs to be controlled to stop operating under the condition that no work is needed, and the light-emitting device is controlled to operate when the operation is needed.
In the process, whether the light-emitting device operates or not is controlled by a driver, and the situation that the driver judgment is influenced by the mutual intersection of visible line segments between the road rollers during the intersection operation is avoided.
In any of the above technical solutions, the method further includes: and controlling the light-emitting device in the position of the obstacle to operate based on the obstacle detected within the preset distance.
In the technical scheme, the control device is further used for acquiring the detection condition of the road roller on the obstacle, specifically, acquiring the detection result of the obstacle detected within the preset distance, and controlling the light-emitting device in the position of the obstacle to operate so as to form a visible line segment by projection on the working surface corresponding to the position of the obstacle. At the moment, the display of the visible line segment plays a role in reminding a driver of safe driving, so that the driver can control the road roller in time, the probability of collision between the road roller and an obstacle is reduced, and the operation safety of the road roller is ensured in the process.
In any of the above technical solutions, the operation parameters include: one or more of the values of emission power, emission color, size of visible light beam, length of visible line segment.
In the technical scheme, the brightness of the visible line segment is adjusted by setting or adjusting the transmitting power, so that the driver can conveniently distinguish and judge the visible line segment, and the visible line segment can be observed by the driver; through setting up luminous colour to distinguish the colour of visible line segment and the colour of operation face, ensure that visible line segment can be observed by the driver, similarly, through setting up or adjusting the size of visible light beam and the length value of visible line segment, make things convenient for the driver to distinguish and judge, so that the driver can be according to actual operation environment, rationally adjust the length and the width of visible line segment, ensure that visible line segment can be observed by the driver.
In any of the above technical solutions, the length value of the visible line segment is greater than or equal to 5 meters.
In the technical scheme, the length value of the visible line segment is limited to be greater than or equal to 5 meters, so that the driver can observe the visible line segment, and the possibility that the visible line segment is blocked by the structure of the road roller is avoided.
In any of the above technical solutions, the light emitting device is controlled to emit a visible light beam of a first color based on an increase in light intensity around the road roller above a preset threshold; and controlling the light-emitting device to emit the visible light beam of the second color based on the light intensity around the road roller being reduced to or below a preset threshold value, wherein the first color and the second color are different in color.
In the technical scheme, the light-emitting color of the light-emitting device is adjusted by controlling the light-emitting device according to the change condition of the light intensity around the road roller, so that the operation requirements under different operation scenes are met.
Under the normal condition, in the operation scene with good light such as daytime, the light-emitting device can emit the visible light beam with the first color so that the driver can operate, the light intensity around the road roller is continuously reduced along with the continuous reduction of the light intensity around the road roller, if the light intensity around the road roller is continuously reduced near the evening, if the light intensity is detected to be reduced to a preset threshold value or below the preset threshold value, the light color emitted by the light-emitting device is controlled to be changed from the first color to the second color so that the driver can accurately observe the visible line segment, and the operation accuracy is ensured.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic block diagram of a welt control device for a roller according to an embodiment of the invention;
FIG. 2 is a schematic view of a light emitting device of an embodiment of the present invention positioned on a vehicle;
FIG. 3 is a schematic flow chart illustrating a method of controlling a welt control apparatus for a roller according to an embodiment of the invention;
FIG. 4 shows a schematic block diagram of a roller according to an embodiment of the invention;
FIG. 5 illustrates a schematic diagram of a half-width rolling operation in an embodiment of the present invention;
FIG. 6 illustrates a schematic diagram of a full mill operation in an embodiment of the invention;
figure 7 shows a schematic representation of a roller in operation with a light emitting device for controlling the orientation of an obstacle in accordance with an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:
100 roller welt control devices, 102 supports, 104 light-emitting devices, 106 light source detection devices, 108 control devices and 200 rollers.
Detailed Description
So that the manner in which the above recited aspects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Example one
As shown in fig. 1 and 2, according to an embodiment of the present invention, the present invention provides a welt control apparatus 100 for a road roller, wherein the welt control apparatus 100 comprises a light emitting device 104, the light emitting device 104 is disposed on the road roller, the light emitting device 104 is capable of emitting a visible light beam, and the visible light beam is projected on a working surface in front of and/or behind the road roller to form a visible line segment, wherein the visible line segment is aligned with a longitudinal boundary of the road roller.
The embodiment of the application provides a welt control device 100 of a road roller, wherein the device can be arranged on the road roller so as to project visible line segments on a working surface in front of and/or behind the road roller, the light-emitting device 104 is in a static state relative to the road roller, so that the position relation between the visible line segments and the road roller is fixed under the condition that the relative position between the road roller and the working surface is relatively stable, the visible line segments are projected and displayed on the working surface, and meanwhile, the visible line segments and the longitudinal boundary of the road roller are on the same straight line and can be observed by a driver, so that the driver can control the road roller to work according to the position relation between the visible line segments and other reference objects on the working surface.
When the road roller welting control device 100 is used for operation, a driver can realize the precise control of an operated object on an operation surface by observing the operation surface and a visible line segment projected on the operation surface, and the driver does not need to repeatedly observe the actual operation surface and a panoramic image displayed in display equipment, so that the fatigue possibility of the driver is reduced, and the operation safety is improved.
The embodiment of the application is realized in such a way that, specifically, the welt control device 100 of the road roller comprises a light-emitting device 104 arranged on the road roller, wherein the light-emitting device 104 is fixed on the road roller, so that after the light-emitting device 104 emits visible light beams, the visible light beams can be projected on a working surface, and a visible line segment is formed. In one embodiment, the visible light beam has a wavelength between 380nm and 880 nm.
Example two
In one embodiment, as shown in fig. 1, the welt control device 100 of the roller further includes a light source detection device 106 and a control device 108 in addition to the light emitting device 104 in the first embodiment, wherein the light source detection device 106 is disposed on the roller and is used for collecting the light intensity around the roller; the control device 108 is connected to the light source detection device 106 and the light emitting device 104, and is configured to control an operation parameter of the light emitting device 104 according to the light source detection device 106.
In this embodiment, the visible line segments may become invisible or difficult to observe in the event of a change in the scene of use, taking into account that the scene of the roller operation is not fixed.
In order to avoid the above situation, the embodiment of the present application specifically defines that the road roller welting control device 100 is further provided with a light source detection device 106 and a control device 108, and the operating parameters of the light emitting device 104 are controlled by providing the light source detection device 106 and the control device 108, so as to ensure that the visible line segment generated by the light emitting device 104 is observed by the driver.
Specifically, the light source detection device 106 is used for collecting the light intensity around the road roller, so as to determine a condition which needs to be met if a visible light beam is projected on the current working surface to form a visible line segment, determine the operating parameters of the light emitting device 104 according to the light intensity around the road roller, and control the light emitting device 104 to operate according to the operating parameters, so that the visible line segment generated by the light emitting device 104 is prevented from being interfered by the working surface and cannot be observed by the user.
In any of the above embodiments, the control device 108 is specifically configured to: controlling the light emitting device 104 to emit a visible light beam of a first color based on the intensity of light around the road roller increasing above a predetermined threshold; the light emitting device 104 is controlled to emit a visible light beam of a second color based on the intensity of light around the roller falling at or below a predetermined threshold, wherein the first and second colors are different colors.
In this embodiment, the light emitting device 104 is controlled to adjust the light emitting color of the light emitting device 104 according to the light intensity change around the road roller, so as to meet the work requirements in different work scenes, and increase the contrast between the visible light beam and the environment around the road roller, so that the visible light beam can be observed by the driver easily.
Under normal conditions, in a work scene with good light, such as daytime, the light-emitting device 104 can emit a visible light beam with a first color, so that a driver can work conveniently, the light intensity around the road roller is continuously reduced along with the continuous reduction of the light intensity around the road roller, such as in the vicinity of evening, and if the light intensity around the road roller is detected to be reduced to a preset threshold value or below the preset threshold value, the light color emitted by the light-emitting device 104 is controlled to be changed from the first color to a second color, so that the driver can accurately observe the visible line segment, and the work accuracy is ensured.
In one embodiment, the operating parameters include: one or more of the values of emission power, emission color, size of visible light beam, length of visible line segment.
In the embodiment, the brightness of the visible line segment is adjusted by setting or adjusting the transmitting power, so that the driver can distinguish and judge conveniently, and the visible line segment can be observed by the driver; through setting up luminous colour to distinguish the colour of visible line segment and the colour of operation face, ensure that visible line segment can be observed by the driver, similarly, through setting up or adjusting the size of visible light beam and the length value of visible line segment, make things convenient for the driver to distinguish and judge, so that the driver can be according to actual operation environment, rationally adjust the length and the width of visible line segment, ensure that visible line segment can be observed by the driver.
In one embodiment, the control device 108 is further configured to set the sensitivity, sampling frequency, etc. of the light source detection device 106.
In this embodiment, the sensitivity and sampling frequency of the light source detection device 106 are set so as to ensure that the light information reflected or emitted from the working surface can be accurately measured, thereby reducing the influence of an excessive deviation of the detection result from the actual situation on the observation of the driver.
In one embodiment, control device 108 is located in the cab of the vehicle or in the vehicle's electric cabinet.
In one embodiment, control device 108 may be provided separately from or integrated with a vehicle controller of the compactor. In any of the above embodiments, the control device 108 may be independently arranged from the driving controller of the road roller, so that the probability that the control device 108 and the driving controller of the road roller are damaged at the same time is reduced, and the integrated arrangement facilitates the miniaturization of the equipment and reduces the occupation of the control device 108 and the driving controller on the space.
In the embodiment, the light intensity is obtained to meet the construction requirements under different illumination conditions, so that a driver can clearly view the visible line segment, and particularly, the construction effect (such as under a viaduct and in a tunnel) is better and obvious under the condition of poor light.
In one embodiment, the reflected color on the working surface of the roller may also be obtained.
In the embodiment, the reflection color is obtained to meet the construction under different illumination conditions, so that a driver can clearly view the visible line segment, and particularly, the construction effect (such as under a viaduct and in a tunnel) under the condition of poor light is better and obvious.
EXAMPLE III
In one embodiment, the control device 108 is further configured to: and controlling the light-emitting device 104 in which the obstacle is located to operate based on the obstacle detected within the preset distance.
In this embodiment, the control device 108 further obtains the detection condition of the road roller on the obstacle, specifically, obtains the detection result of the obstacle detected within the preset distance, and controls the light-emitting device 104 in the direction of the obstacle to operate, so as to form a visible line segment by projection on the working surface corresponding to the direction of the obstacle. At the moment, the display of the visible line segment plays a role in reminding a driver of safe driving, so that the driver can control the road roller in time, the probability of collision between the road roller and an obstacle is reduced, and the operation safety of the road roller is ensured in the process.
Example four
In one embodiment, the vehicle further comprises a stand 102, the light emitting device 104 is disposed on the road roller through the stand 102, and the stand 102 is a three-dimensional rotating stand 102, wherein the visible line segment can be aligned to coincide with the longitudinal boundary of the road roller based on the posture adjustment of the three-dimensional rotating stand 102.
In this embodiment, it is specifically defined that the stand 102 can perform attitude adjustment, so that the driver aligns the visible line segment by adjusting the attitude of the stand 102 itself to coincide with the longitudinal boundary of the road roller, and at this time, the visible line segment can directly reflect the position of the longitudinal boundary of the road roller, so that the driver can perform operation according to the visible line segment to ensure the operation safety.
In one embodiment, the three-dimensional rotating bracket 102 is manually adjusted to adjust its own posture, specifically, when the construction is performed for the first time, the driver adjusts the angle and position of the bracket 102 to a proper position to ensure that the visible line segment is a straight line on the working surface and is aligned with the longitudinal boundary in a superposition manner, i.e. the position of the visible line segment is the longitudinal boundary line, so as to perform the operation according to the visible line segment.
In one embodiment, the bracket 102 and the light emitting device 104 are rigidly connected to the vehicle body by a fixed mounting means (e.g., a hole lock screw) or a temporary fixing means (e.g., a magnet chuck).
EXAMPLE five
In an embodiment of the present invention, as shown in fig. 3, a method for controlling a welt control device of a road roller is provided, where the welt control device of the road roller includes a light emitting device and a light source detecting device, where the light emitting device is disposed on the road roller, the light emitting device can emit a visible light beam, a visible line segment is formed by projection on a working surface in front of and/or behind the road roller, and the light source detecting device is disposed on the road roller and is configured to collect light intensity around the road roller, and the method for controlling the welt control device of the road roller includes:
step 302, controlling a light source detection device to collect the light intensity around the road roller;
and step 304, controlling the operating parameters of the light-emitting device according to the light intensity around the road roller.
The embodiment of the application provides a control method of a road roller welting control device, wherein the road roller welting control device can be installed on a road roller so as to project visible line segments on a working surface in front of and/or behind the road roller, the light-emitting device is in a static state relative to the road roller, so that the position relation between the visible line segments and the road roller is fixed under the condition that the relative position between the road roller and the working surface is relatively stable, and the visible line segments can be observed by a driver due to the fact that the visible line segments are projected and displayed on the working surface, so that the driver can control the road roller to work according to the position relation between the visible line segments and other reference objects on the working surface.
When the road roller adopting the road roller welting control device works, a driver can realize the precise control of the operated object on the working surface by observing the working surface and the visible line segment projected on the working surface, and the driver does not need to repeatedly observe the actual working surface and the panoramic image displayed in the display equipment, so that the fatigue possibility of the driver is reduced, and the safety of the operation is further improved.
The embodiment of the application is realized in such a way that specifically, the welt control device of the road roller comprises a light-emitting device arranged on the road roller, and the light-emitting device is fixed on the road roller so as to project on a working surface after the light-emitting device emits visible light beams and form a visible line segment. In particular, given that the scene in which the roller is operated is not fixed, the visible line segments may become invisible or difficult to observe in the event of a change in the scene of use.
In order to avoid the above situation, an embodiment of the present application specifically defines that the road roller welting control device is further provided with a light source detection device, and the light source detection device is arranged to set an operation parameter of the light emitting device, so as to ensure that a visible line segment generated by the light emitting device is observed by a driver.
Specifically, the light source detection device is used for collecting the light intensity around the road roller, so that the condition which needs to be met if a visible light beam is projected on the current working surface to form a visible line segment is determined, the operating parameters of the light-emitting device are determined according to the light intensity, the light-emitting device is controlled to operate according to the operating parameters, and the situation that the visible line segment generated by the light-emitting device is interfered by the working surface and cannot be observed by the light-emitting device is avoided.
In one embodiment, the method further comprises the following steps: receiving a starting signal of a welt control device of the road roller, and controlling the light-emitting device to operate; or receiving a closing signal of the edge-pasting control device of the road roller, and controlling the light-emitting device to stop running.
In this embodiment, the light emitting device is not operated in real time, that is, is not projected to the working surface at any time to form a visible line segment, and in the case where no work is required, the light emitting device needs to be controlled to stop operating, and in the case where the operation is required, the light emitting device is controlled to operate.
In the process, whether the light-emitting device operates or not is controlled by a driver, and the situation that the driver judgment is influenced by the mutual intersection of visible line segments between the road rollers during the intersection operation is avoided.
In one embodiment, the method further comprises the following steps: and controlling the light-emitting device in the position of the obstacle to operate based on the obstacle detected within the preset distance.
In this embodiment, the control device is further configured to obtain a detection condition of the road roller on the obstacle, specifically, obtain a detection result of the obstacle detected within a preset distance, and control the light-emitting device in the direction of the obstacle to operate, so as to form a visible line segment by projection on the working surface corresponding to the direction of the obstacle. At the moment, the display of the visible line segment plays a role in reminding a driver of safe driving, so that the driver can control the road roller in time, the probability of collision between the road roller and an obstacle is reduced, and the operation safety of the road roller is ensured in the process.
In any of the above embodiments, the operating parameters include: one or more of the values of emission power, emission color, size of visible light beam, length of visible line segment.
In the embodiment, the brightness of the visible line segment is adjusted by setting or adjusting the transmitting power, so that the driver can distinguish and judge conveniently, and the visible line segment can be observed by the driver; through setting up luminous colour to distinguish the colour of visible line segment and the colour of operation face, ensure that visible line segment can be observed by the driver, similarly, through setting up or adjusting the size of visible light beam and the length value of visible line segment, make things convenient for the driver to distinguish and judge, so that the driver can be according to actual operation environment, rationally adjust the length and the width of visible line segment, ensure that visible line segment can be observed by the driver.
In any of the above embodiments, the length value of the visible line segment is greater than or equal to 5 meters.
In this embodiment, the length of the visible line segment is limited to a value greater than or equal to 5 m, so as to ensure that the driver can observe the visible line segment, avoiding the possibility of it being obscured by the structure of the roller itself.
In any of the above embodiments, the light emitting device is controlled to emit a visible light beam of a first color based on an increase in light intensity around the road roller above a predetermined threshold; and controlling the light-emitting device to emit the visible light beam of the second color based on the light intensity around the road roller being reduced to or below a preset threshold value, wherein the first color and the second color are different in color.
In the embodiment, the light-emitting color of the light-emitting device is adjusted by controlling the light-emitting device according to the change condition of the light intensity around the road roller, so that the working requirements under different working scenes can be met.
Under the normal condition, in the operation scene with good light such as daytime, the light-emitting device can emit the visible light beam with the first color so that the driver can operate, the light intensity around the road roller is continuously reduced along with the continuous reduction of the light intensity around the road roller, if the light intensity around the road roller is continuously reduced near the evening, if the light intensity is detected to be reduced to a preset threshold value or below the preset threshold value, the light color emitted by the light-emitting device is controlled to be changed from the first color to the second color so that the driver can accurately observe the visible line segment, and the operation accuracy is ensured.
EXAMPLE six
In one embodiment of the invention, as shown in fig. 4, there is provided a roller 200 comprising: a welt control apparatus 100 for a roller as claimed in any preceding claim.
The embodiment of the present application provides a road roller 200, wherein the road roller 200 includes the above-mentioned road roller welt control device 100, and therefore, the road roller 200 has all the beneficial technical effects of the above-mentioned road roller welt control device 100, and the details are not repeated herein.
For example, roller 200 may be operated in a half-width rolling operation or a full-width rolling operation.
The road roller adopts a symmetrical uniform operation mode on the paved road surface, as shown in fig. 5, and performs half-width rolling operation, wherein it can be understood that only a half-width road surface area is rolled by taking the center line of the road surface as a boundary.
Correspondingly, as shown in fig. 6, the full width rolling operation is performed, and it can be understood that the full width operation mode is adopted on the paved road surface, that is, rolling from one welt to the other welt is required.
According to different operation scenes, the arrangement positions and the arrangement number of the road roller welt control devices 100 on the road roller 200 are different, and specifically, under half-width rolling operation, the road roller welt control devices 100 are respectively arranged in front of and behind the operation side of the road roller 200, such as in front of and behind the left side of the road roller 200 or in front of and behind the right side of the road roller 200.
If during the right welt rolling operation, the driver of the road roller only needs to stop the sight at the projection line of the visible light on the road surface, namely the distance between the visible line segment and the road edge stone, and properly adjust the welt distance of the road roller, so that the aim of accurate welt control can be achieved.
In the full-width operation mode, the welt control device 100 of the road roller is respectively arranged at the front and the back of two sides of the road roller 200, in order to avoid the cross operation, the visual line segments between the road rollers are crossed with each other to influence the judgment of a driver, the driver can carry out on-off control on the welt control device 100 of the road roller, namely, the welt control device 100 of the road roller on the left side can be independently started when the left side is welt, the light-emitting device on the left side starts to work, the welt control device 100 of the road roller on the right side can be independently started when the right side is welt, and when the welt is not required to be rolled, the welt control device 100 of the road roller can be selected to be closed.
In one embodiment, the color of the illumination may be automatically adjusted based on the intensity of the illumination surrounding the roller 200, such as automatically switching to a green light source during daylight hours, and selecting a red light source during night hours or in tunnels when the illumination is not good.
In the above embodiment, the method further includes: the operation of the warning device of the road roller 200 is controlled based on the detection of the obstacle within the preset distance.
The obstacle is detected within the preset distance, and the warning device of the road roller 200 is controlled to operate, so that a driver is warned to control the road roller 200 in time, the probability of a collision event between the road roller 200 and the obstacle is reduced, and the operation safety is ensured.
In any of the embodiments described above, the warning device includes, but is not limited to, a light output device, such as a hazard warning light of compactor 200, and/or an audible output device, such as a horn or the like.
EXAMPLE seven
In an embodiment of the invention, there is provided a roller cluster comprising at least two rollers, each roller being provided with a roller welt control apparatus as in any one of the first aspects, and when the two rollers are travelling in opposite directions and have overlapping paths, and the distance between the two rollers is less than a predetermined distance, the light emitting devices of the two rollers near the overlapping region of the paths are respectively turned on, the light emitting device of one of the two rollers emitting a visible light beam of a third color, the other roller emitting a visible light beam of a fourth color, the third color being different from the fourth color.
Each road roller in the set of road rollers proposed in the present application has the welt control device of the first aspect, and therefore the set of road rollers has all the beneficial technical effects of the welt control device of the road roller described above, and will not be described herein again.
In addition, when the two road rollers travel in opposite directions and have overlapped paths and the distance between the two road rollers is smaller than the preset distance, the light-emitting devices of the two road rollers close to the overlapped region of the paths respectively emit visible light beams with different colors, so that the operation interference between the different road rollers is reduced, and the operation safety is ensured.
For example, fig. 7 is a schematic diagram illustrating that, when two road rollers move in opposite directions and have overlapped paths, and the distance between the two road rollers is smaller than a preset distance, the light-emitting devices of the two road rollers close to the overlapped region of the paths respectively emit visible light beams with different colors.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A road roller welt control device, comprising:
the light-emitting device is arranged on the road roller and can emit visible light beams, the visible light beams are projected on the working surface in front of and/or behind the road roller to form visible line segments, and the visible line segments and the longitudinal boundary of the road roller are on the same straight line.
2. The welt control device of claim 1, further comprising:
the light source detection device is arranged on the road roller and used for collecting the light intensity around the road roller;
a control device connected with the light source detection device and the light emitting device and used for controlling the operation parameters of the light emitting device according to the light source detection device,
wherein the operating parameters include one or more of emission power, emission color, size of visible light beam, length value of the visible line segment.
3. The welt control device of claim 2, wherein the control device is specifically configured to:
controlling the light-emitting device to emit a visible light beam of a first color based on the increase of the light intensity around the road roller to be above a preset threshold value;
controlling the light emitting device to emit a visible light beam of a second color based on the intensity of light around the roller falling below or at a preset threshold,
wherein the first color and the second color are different colors.
4. The welt control device of claim 2, further configured to:
and controlling the light-emitting device in the position of the obstacle to operate based on the fact that the obstacle is detected within the preset distance.
5. The welt control device of a road roller according to any one of claims 1 to 4, further comprising a support through which the light emitting device is arranged on the road roller, the support being a three-dimensional rotating support,
and adjusting the posture based on the three-dimensional rotating support, wherein the visible line segment can be coincided and aligned with the longitudinal boundary of the road roller.
6. A roller characterised by the provision of a roller welt control apparatus as claimed in any one of claims 1 to 5.
7. A roller cluster comprising at least two rollers, wherein each roller is provided with a welt control device as claimed in any one of claims 1 to 5, and when the two rollers are travelling in opposite directions and have overlapping paths, and the distance between the two rollers is less than a predetermined distance, the light-emitting devices of the two rollers adjacent to the overlapping region of the paths are respectively turned on, the light-emitting device of one of the two rollers emitting a visible light beam of a third color, and the other roller emitting a visible light beam of a fourth color, the third color being different from the fourth color.
8. A control method of a road roller welting control device is used for a road roller, and is characterized in that the road roller welting control device comprises a light-emitting device and a light source detection device, wherein the light-emitting device is arranged on the road roller and can emit a visible light beam, the visible light beam is projected on a working surface in front of and/or behind the road roller to form a visible line segment, and the visible line segment and a longitudinal boundary of the road roller are on the same straight line, and the control method of the road roller welting control device comprises the following steps:
controlling the light source detection device to acquire the light intensity around the road roller;
controlling the operating parameters of the light emitting device in dependence on the intensity of light around the roller,
wherein the operating parameters include one or more of emission power, emission color, size of visible light beam, length value of the visible line segment.
9. The control method of the welt control device of the road roller as set forth in claim 8, further comprising:
and controlling the light-emitting device in the position of the obstacle to operate based on the fact that the obstacle is detected within the preset distance.
10. The control method of the welt control device of a road roller according to claim 8 or 9, further comprising:
controlling the light-emitting device to emit a visible light beam of a first color based on the increase of the light intensity around the road roller to be above a preset threshold value;
controlling the light emitting device to emit a visible light beam of a second color based on the intensity of light around the roller falling below or at a preset threshold,
wherein the first color and the second color are different colors.
CN202110661952.8A 2021-06-15 2021-06-15 Edge-fitting control device of road roller, road roller group and control method Active CN113467443B (en)

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