CN103837536B - Portable asphalt mixture gradation rapid assay device - Google Patents

Abstract

The invention discloses a portable rapid analysis device for asphalt mixture gradation to solve the problem of inconvenient collection and analysis of asphalt mixture gradation information in the prior art. Information image acquisition unit, information transmission unit, image segmentation and digital processing unit, and output unit, wherein the image acquisition unit includes an acquisition head, the image acquisition unit is located inside the cabinet, and a through hole is provided at the bottom of the cabinet directly opposite the acquisition head. The collecting head protrudes from the through hole, and the information transmission unit, the image segmentation and digital processing unit and the output unit are all placed above the box body. The invention is reasonable in design and convenient in use, and is worthy of popularization and application.

Description

Portable asphalt mixture gradation rapid analysis equipment

technical field

The invention relates to the technical field of traffic pavement detection, in particular to an asphalt mixture gradation analysis device.

Background technique

In the quality management of asphalt pavement, the macroscopic performance of the pavement is closely related to the distribution of the mesoscopic structure. Using digital image technology to quantitatively analyze the mesoscopic structure of the asphalt mixture gradation image to obtain the macroscopic performance of the pavement has become an effective means of pavement quality management. . Since the asphalt mixture will be damaged after being drilled and sampled, and the damage will be more serious after a long time of storage, it is extremely important to digitally preserve it for later in-depth research. At present, the collection of asphalt mixture images at home and abroad mainly includes cross-sectional images and spliced surface images. Cross-sectional image collection mainly includes manual cutting and tomographic imaging. Manual cutting is relatively simple, but the cutting workload is large and it is difficult to standardize and popularize. However, image acquisition based on cross-section is extremely expensive, complicated to operate, inconvenient to transport, and difficult to popularize due to high cost. ; The spliced surface image not only has splicing errors, but also needs to restore the surface image for subsequent analysis, which poses a great obstacle to automatic analysis.

Contents of the invention

The present invention intends to provide a portable asphalt mixture gradation rapid analysis device to solve the problem of inconvenient collection and analysis of asphalt mixture gradation information in the prior art.

The portable asphalt mixture gradation rapid analysis equipment in this scheme includes a movable support frame with a box body, an image acquisition unit for collecting road surface or mixture information, an information transmission unit, an image segmentation and digital processing unit, and an output unit , wherein the image acquisition unit includes an acquisition head, the image acquisition unit is located inside the box, a through hole is provided at the bottom of the box and the acquisition head is directly opposite, the acquisition head protrudes from the through hole, the information transmission unit, image segmentation and digitization Both the processing unit and the output unit are placed above the cabinet.

Compared with the prior art, the present invention has the advantages that: in the working state, the acquisition head of the image acquisition unit extends out of the box, and from the image acquisition unit upwards are the information transmission unit, the image segmentation and digital processing unit and the output unit, All the units are located on the movable support frame, and the asphalt mixture or road surface is collected in a moving or static state, and then the collected image information is transmitted to the image segmentation and digital processing unit through the information transmission unit, using the image segmentation technology Digitally process the image, calculate the size, quantity and distribution of the units in the image, and then automatically recognize the shape and distribution of the aggregate, and finally obtain and output the final gradation of the asphalt mixture or road surface; it can quickly calculate and analyze asphalt The mixture is graded, and the structure is simple, easy to carry or transport, easy to operate, and low in cost.

Further, it also includes a motor drive device, at least three wheels are arranged at the bottom edge of the movable support frame, and the wheels are driven by the motor drive device, and the wheels are evenly distributed on the bottom edge of the movable support frame, and the force is uniform, so that the movable support frame Runs smoothly and quickly.

Further, the image segmentation and digital processing unit includes a computer with a Gigabit network interface capable of image cutting, the computer is located outside the box, and the computer controls the hardware operation of the device and performs cutting, processing and analysis on the acquired asphalt mixture image .

Further, the image acquisition unit includes a scanning camera, a high-power LED lighting source, a control box and a control board, the acquisition head is the lens of the scanning camera, and the control board is installed in the control box to ensure the integrity and accuracy of the collected images At the same time, the high-power LED lighting source can make the device work in dim light environment.

Further, the output unit is a screen connected to a computer, which is convenient for users to read information.

Further, it also includes a control unit connected to the image segmentation and digital processing unit, the control unit can control the motor drive device, and can control the motor drive device to drive the wheels forward and backward according to the needs of the user through the image segmentation and digital processing unit and the control unit Repeatedly forward and backward to collect information.

Further, it also includes an input device through the information transmission unit and the image segmentation and digitization processing unit. Through the input device, the user can control the device and issue commands to realize the human-computer interaction between the user and the device.

Further, it also includes an audible and visual alarm device controlled by the control unit. When the equipment automatically runs far away, the audible and visual alarm device can be activated to notify the user.

Further, it also includes an ultrasonic sensing device connected to the control unit. When there is an obstacle in the automatic operation of the device, it is sensed by the ultrasonic sensing device and fed back to the control unit. The control unit controls the motor drive device to drive the wheels around the obstacle.

Description of drawings

Fig. 1 is the structural representation of the portable asphalt mixture gradation rapid analysis equipment embodiment of the present invention;

Fig. 2 is a functional block diagram of an embodiment of the portable asphalt mixture gradation rapid analysis device of the present invention.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail:

As shown in Figures 1 and 2, the portable asphalt mixture gradation rapid analysis device in the embodiment of the present invention includes a dolly 1 provided with a box body 13, an XIIMUS 2048LT line scan industrial camera 10 for collecting road table or mixture information, Network cable, notebook computer 11, LED screen 12 connected to notebook computer 11, handheld tablet computer communicating wirelessly with notebook computer 11, high-power LED lighting source installed on the outer surface of the bottom of the box; XIIMUS 2048LT line scan industrial camera 10 Located at the inner bottom of the box 13, the bottom of the box is opened with XIIMUS The lens of the 2048LT line scan industrial camera 10 is adapted to the through hole, the notebook computer 11 and the LED screen 12 are placed on the box body 13, and the bottom of the trolley 1 is provided with four wheels 14, and the notebook computer 11 is equipped with a camera capable of image cutting The image processing software is photoshop, the notebook computer 11 is located outside the box body 13, the XIIMUS 2048LT line scan industrial camera 10 is connected to the control box and the control board, the control board is installed in the control box, the XIIMUS 2048LT line scan industrial camera 10 and the notebook computer 11 Communication between them via network cable; the notebook computer 11 is connected with a control unit, the control unit can control the motor drive device, and according to the needs of the user, the notebook computer 11 and the control unit control the motor drive device to drive the wheels 14 forward and backward to collect information; The computer controls the notebook computer 11, and the user can remotely control the device and issue commands to realize the human-computer interaction between the user and the device; it also includes an audible and visual alarm device controlled by the control unit. When the device automatically runs far away, The user can be notified by stimulating the sound and light alarm device; it also includes an ultrasonic induction device connected to the control unit. When there is an obstacle in the automatic operation of the device, it will be sensed by the ultrasonic induction device and then fed back to the control unit, and the control unit will control The motor drive drives the wheels 14 around obstacles.

Collect images of asphalt mixture or road surface in a moving or static state, and then transmit the collected image information to the notebook computer 11 through the information transmission unit, use the notebook computer 11 to digitize the image, and calculate the size and quantity of the units in the image and distribution calculation, and then automatically recognize the shape and distribution of the aggregate, and finally obtain the final gradation of asphalt mixture or road surface and output it through the LED screen 12 .

What is described above is only an embodiment of the present invention, and common knowledge such as specific structures and characteristics known in the scheme are not described here too much. It should be pointed out that for those skilled in the art, some modifications and improvements can be made without departing from the structure of the present invention, and these should also be regarded as the protection scope of the present invention, and these will not affect the implementation of the present invention effect and utility of the patent.

Claims (8)

1. Portable asphalt mixture gradation rapid assay device, it is characterized in that: include being provided with the removable bracing frame of casing, gather road table or the image acquisition units of compound information, information transmission unit, image segmentation and digitized processing unit and output unit, wherein image acquisition units includes collection head, image acquisition units is positioned at box house, tank floor and collection head are just provided with through hole to place, collection head stretches out from described through hole, information transmission unit, image segmentation and digitized processing unit and output unit are placed in above casing, also include motor driver, it is provided with at least three wheel at removable bracing frame bottom margin, wheel is driven by motor driver.

Portable asphalt mixture gradation rapid assay device the most according to claim 1, it is characterised in that: the segmentation of described image and digitized processing unit include the computer that can carry out image cutting with kilomega network interface, and computer is positioned at outside casing.

Portable asphalt mixture gradation rapid assay device the most according to claim 1, it is characterized in that: described image acquisition units includes scanning camera, great power LED lighting source, control chamber and Control card, collection head is the camera lens of scanning camera, and Control card is contained in control chamber.

Portable asphalt mixture gradation rapid assay device the most according to claim 1, it is characterised in that: described output unit is the screen being connected with image segmentation and digitized processing unit.

Portable asphalt mixture gradation rapid assay device the most according to claim 1, it is characterised in that: also including the control unit being connected with image segmentation and digitized processing unit, control unit controls motor driver.

Portable asphalt mixture gradation rapid assay device the most according to claim 5, it is characterised in that: also include being split and the input equipment of digitized processing unit with image by information transmission unit.

Portable asphalt mixture gradation rapid assay device the most according to claim 5, it is characterised in that: also include the acoustic-optic alarm controlled by control unit.

Portable asphalt mixture gradation rapid assay device the most according to claim 5, it is characterised in that: also include the ultrasonic sensing device being connected with control unit.