CN113739882A - Weighing method based on laser area array - Google Patents
Weighing method based on laser area array Download PDFInfo
- Publication number
- CN113739882A CN113739882A CN202111040525.4A CN202111040525A CN113739882A CN 113739882 A CN113739882 A CN 113739882A CN 202111040525 A CN202111040525 A CN 202111040525A CN 113739882 A CN113739882 A CN 113739882A
- Authority
- CN
- China
- Prior art keywords
- cargo
- container
- goods
- area array
- laser area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005303 weighing Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000004364 calculation method Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G9/00—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a weighing method based on a laser area array. The distance between the top of the container and the goods is obtained through the laser area array radar, and the volume of the goods in the container is combined with the length, the height and the width of the container, so that compared with the existing weighing equipment, the error rate is reduced, and the measurement accuracy is improved; the cargo carrying weight is obtained in real time, the phenomena of overload, less cargos and the like can be avoided in the cargo loading process, the time of running back and forth between the cargo loading point and the wagon balance is saved, and the transportation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of measuring methods, in particular to a weighing method based on a laser area array.
Background
From ancient times, the goods of trucks were weighed by loaders. With the development of science and technology, people urgently want to know the weight of goods of a truck anytime and anywhere, and the demand of people cannot be met only by means of weighbridges. At this time, a sensor capable of detecting the weight of the goods on the truck appears, the weight of the goods is finally converted into the weight by detecting the surface of the goods and calculating the volume, and the purpose of weighing the goods is achieved. At present, weighing equipment capable of monitoring vehicle cargos exists in the market, but the error rate is extremely high, and the weighing equipment is only used for detecting whether the vehicles have the behaviors of changing goods, unloading goods, crossing goods and the like in the transportation process. Accurate measurement of the weight of the actual cargo has not been possible.
Disclosure of Invention
The embodiment of the disclosure provides a weighing method based on a laser area array, which solves the problem that the existing weighing equipment cannot accurately measure the weight of actual goods. The technical scheme is as follows:
according to a first aspect of the embodiments of the present disclosure, there is provided a laser area array-based weighing method, including:
the laser area array radar is arranged at the top of the container, the distance between the top of the container and the goods is obtained through the laser area array radar, and the quality of the goods in the container is obtained according to the distance between the top of the container and the goods.
In one embodiment, the container is divided into a plurality of areas along the length direction, and a laser area array radar is arranged at the top of each area;
acquiring the distance between the top of a container and a cargo in each area through a laser area array radar;
calculating the cargo volume in the cargo box according to the length, the width and the height of the cargo box and the distance between the top of the cargo box in the plurality of areas and the cargo;
and obtaining the mass of the goods in the container according to the volume and the density of the goods in the container.
The container is divided into a plurality of areas according to the actual volume of the container and the scanning range of the laser area array radar, and the laser area array radar is distributed in each area to obtain the most accurate measuring result.
In one embodiment, the cargo height c of each area is obtained by subtracting the distance between the top of the cargo box and the cargo in each area from the height of the cargo boxiCalculating the cargo volume V within the cargo box according to the following formula:
in the above formula, a is the length of the cargo box and b is the width of the cargo box.
In one embodiment, the cargo weight calculation formula is as follows:
in the above formula, ρ is the cargo density.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flowchart of a weighing method based on a laser area array according to an embodiment of the present disclosure;
fig. 2 is a wagon box area division diagram in an embodiment of a weighing method based on a laser area array according to the present disclosure;
fig. 3 is a data diagram obtained by a laser area array sensor in an embodiment of a weighing method based on a laser area array provided by the embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Example 1
As shown in fig. 1, a weighing method based on a laser area array includes:
the laser area array radar is arranged at the top of the container, the distance between the top of the container and the goods is obtained through the laser area array radar, and the quality of the goods in the container is obtained according to the distance between the top of the container and the goods.
In this embodiment, specifically, in step S101, the container is equally divided into a plurality of areas along the longitudinal direction, and a laser area array radar is disposed at the top of each area. The measuring range of the laser area array radar is 0.1-4.5M, the laser area array radar has good sunlight resistance, and the laser area array radar can be used in outdoor environments. The container is divided into a plurality of areas according to the actual volume of the container and the scanning range of the laser area array radar, and the laser area array radar is distributed in each area to obtain the most accurate measuring result.
And S101, acquiring the distance between the top of a container and the goods in each area through a laser area array radar. When the laser contacts the measured object, reflection is formed, and the distance between the measured object and the laser area array sensor is calculated according to the time difference from the emission to the reception of the laser and the light speed.
Step S103, calculating to obtain the volume of the goods in the container according to the length, the width and the height of the container and the distance between the top of the container and the goods in a plurality of areas;
specifically, the height c of the goods in each area is obtained by subtracting the distance between the top of the goods box and the goods in each area from the height of the goods boxiAnd calculating to obtain the cargo volume in the cargo box according to the sum of the cargo heights of all the areas, the length of the cargo box and the width of the cargo box, wherein a cargo volume V calculation formula is as follows:
in the above formula, a is the length of the cargo box and b is the width of the cargo box.
Step S104, obtaining the mass of the goods in the container according to the volume and the density of the goods in the container, wherein rho is m/v for the goods with stable density; the cargo weight calculation formula is as follows:
in the above formula, ρ is the cargo density. Different goods have different densities, and different goods parameters are different according to rho in the formula, so that density measurement needs to be carried out on various goods.
Example 2
A weighing method based on a laser area array comprises the following steps:
step S201, equally dividing the container into a plurality of areas along the length direction, as shown in fig. 2, recording as a1 … … An, and setting a laser area array radar on the top of each area. The arrangement mode of the laser area array radar selected in the embodiment is 8X 8;
step S202, obtaining the distance between the top of a container and a cargo in each area through a laser area array radar, taking an A2 area as an example, obtaining 8X8 dot matrix data through the radar, and smoothing the obtained dot matrix data by the laser area array radar to obtain a curved surface of the current cargo distribution in the A2 area as shown in FIG. 3;
step S203, subtracting the data of each dot matrix in each area from the height of the container to obtain the distance between the measured object corresponding to each dot matrix and the laser area array sensor, so as to obtain the height of the goods corresponding to each dot matrix in each area, calculating the volume of the goods corresponding to each dot according to the height, summing the volumes of the goods corresponding to all the dots to obtain the volume of the goods in each area, wherein the calculation formula is as follows:
in this case, a is the car length of each zone, b is the car width, ciThe cargo height corresponding to each point in each region;
step S204, summing the volumes in the cargo volume in each area to obtain the cargo volume in the cargo box, as shown in the following table 2, it can be known that the error rate between the theoretical calculation and the actual weighing of the actual calculation method is 4%, and the error rate is small.
TABLE 2
And S205, multiplying the cargo volume in the cargo box by the cargo density to obtain the cargo weight.
According to the weighing method based on the laser area array, the distance between the top of the container and the goods is obtained through the laser area array radar, and the volume of the goods in the container is obtained by combining the length, the height and the width of the container, so that compared with the existing weighing equipment, the error rate is reduced, and the measurement accuracy is improved; the cargo carrying weight is obtained in real time, the phenomena of overload, less cargos and the like can be avoided in the cargo loading process, the time of running back and forth between the cargo loading point and the wagon balance is saved, and the transportation efficiency is improved.
In this example, other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (4)
1. A weighing method based on a laser area array is characterized by comprising the following steps:
the method comprises the steps that a laser area array radar is arranged at the top of a container, the distance between the top of the container and goods is obtained through the laser area array radar, and the quality of the goods in the container is obtained according to the distance between the top of the container and the goods.
2. The laser area array-based weighing method according to claim 1, wherein a laser area array radar is arranged at the top of the container, the distance between the top of the container and the cargo is obtained through the laser area array radar, and the obtaining of the mass of the cargo in the container according to the distance between the top of the container and the cargo comprises:
the container is divided into a plurality of areas along the length direction, and a laser area array radar is arranged at the top of each area;
acquiring the distance between the top of a container in each area and the goods through the laser area array radar;
calculating the cargo volume in the cargo box according to the length, the width and the height of the cargo box and the distance between the top of the cargo box in the plurality of areas and the cargo;
and obtaining the mass of the goods in the container according to the volume and the density of the goods in the container.
3. The laser area array-based weighing method of claim 2, wherein the calculating the volume of the cargo in the cargo box according to the length, the width, the height of the cargo box and the distance between the top of the cargo box and the cargo in the plurality of areas comprises:
the distance between the top of the container and the goods in each area is subtracted from the height of the container to obtain the height c of the goods in each areaiCalculating the cargo volume V within the cargo box according to the following formula:
in the above formula, a is the length of the cargo box and b is the width of the cargo box.
4. The laser area array-based weighing method of claim 1, wherein the obtaining the mass of the cargo in the cargo box according to the cargo volume and the cargo density in the cargo box comprises calculating the weight of the cargo according to the following formula:
in the above formula, ρ is the cargo density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111040525.4A CN113739882A (en) | 2021-09-06 | 2021-09-06 | Weighing method based on laser area array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111040525.4A CN113739882A (en) | 2021-09-06 | 2021-09-06 | Weighing method based on laser area array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113739882A true CN113739882A (en) | 2021-12-03 |
Family
ID=78736239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111040525.4A Pending CN113739882A (en) | 2021-09-06 | 2021-09-06 | Weighing method based on laser area array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113739882A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070075853A1 (en) * | 2005-10-04 | 2007-04-05 | Griffin Dennis P | Cargo sensing apparatus for a cargo container |
| CN102175569A (en) * | 2011-03-01 | 2011-09-07 | 武汉理工大学 | Underground iron ore dynamic weighing and real-time grate analyzing method |
| CN102967260A (en) * | 2012-11-01 | 2013-03-13 | 北京华夏力鸿商品检验有限公司 | Method and system for measuring volume and density of powder material stack |
| US20130342653A1 (en) * | 2012-06-20 | 2013-12-26 | Honeywell International Inc. | Cargo sensing |
| CN107255819A (en) * | 2017-05-05 | 2017-10-17 | 浙江大学 | A kind of compartment remaining space detection means and detection method based on ultrasonic array |
| CN207457507U (en) * | 2017-10-20 | 2018-06-05 | 内蒙古达智能源科技有限公司 | A kind of automobile bodies coal property test system based on laser radar |
| CN109506748A (en) * | 2019-01-16 | 2019-03-22 | 济南大学 | Dynamic measures method, system and the terminal of electric locomotive compartment loading capacity |
| US20200055553A1 (en) * | 2018-08-20 | 2020-02-20 | Spireon, Inc. | Distributed volumetric cargo sensor system |
| CN111377259A (en) * | 2018-12-27 | 2020-07-07 | 北京优挂信息科技有限公司 | Trailer loading and unloading completion time estimation method |
-
2021
- 2021-09-06 CN CN202111040525.4A patent/CN113739882A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070075853A1 (en) * | 2005-10-04 | 2007-04-05 | Griffin Dennis P | Cargo sensing apparatus for a cargo container |
| CN102175569A (en) * | 2011-03-01 | 2011-09-07 | 武汉理工大学 | Underground iron ore dynamic weighing and real-time grate analyzing method |
| US20130342653A1 (en) * | 2012-06-20 | 2013-12-26 | Honeywell International Inc. | Cargo sensing |
| CN102967260A (en) * | 2012-11-01 | 2013-03-13 | 北京华夏力鸿商品检验有限公司 | Method and system for measuring volume and density of powder material stack |
| CN107255819A (en) * | 2017-05-05 | 2017-10-17 | 浙江大学 | A kind of compartment remaining space detection means and detection method based on ultrasonic array |
| CN207457507U (en) * | 2017-10-20 | 2018-06-05 | 内蒙古达智能源科技有限公司 | A kind of automobile bodies coal property test system based on laser radar |
| US20200055553A1 (en) * | 2018-08-20 | 2020-02-20 | Spireon, Inc. | Distributed volumetric cargo sensor system |
| CN111377259A (en) * | 2018-12-27 | 2020-07-07 | 北京优挂信息科技有限公司 | Trailer loading and unloading completion time estimation method |
| CN109506748A (en) * | 2019-01-16 | 2019-03-22 | 济南大学 | Dynamic measures method, system and the terminal of electric locomotive compartment loading capacity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110057292B (en) | Method and device for determining carriage loading rate | |
| CN113469871B (en) | Carriage loadable space detection method and device based on three-dimensional laser | |
| CN111089643B (en) | Dynamic vehicle-mounted weighing method and system | |
| CN114067076B (en) | Self-adaptive adjustment method for uniform distribution of bulk material loading | |
| CN111157092B (en) | Vehicle-mounted weighing automatic calibration method and computer readable storage medium | |
| CN111121939B (en) | High-precision vehicle-mounted area weighing method | |
| CN109425852A (en) | The scaling method of automobile and trailer-mounted radar, device | |
| CN111452713B (en) | Goods weighing method, device, equipment and storage medium | |
| CN102103009B (en) | Weighing system and weighing method for dynamic vehicle box distribution of tandem containers | |
| SE457807B (en) | PROCEDURE AND DEVICE FOR SATISFACTION OF ROAD PAVILABILITY | |
| CN114819426B (en) | Cargo loading scheme determining method, device, equipment and storage medium | |
| CN113739882A (en) | Weighing method based on laser area array | |
| CN115707991A (en) | Radar system calibration with bistatic sidelobe compensation | |
| CN114384545A (en) | Vehicle cargo model building method and device, storage medium and equipment | |
| RU91424U1 (en) | SCALES FOR WEIGHING CARS AND TRAINS | |
| CN109159803A (en) | A kind of rolling stock plane positioning system | |
| CN110268237A (en) | Method and apparatus for detecting the weight for the load being moved on scale | |
| CN115099463A (en) | Method and device for predicting delivery risk of measured material | |
| US20200406929A1 (en) | Method and system for mapping a physical environment using an occupancy grid | |
| CN114742539A (en) | Method and device for determining vehicle maintenance time, storage medium and electronic equipment | |
| CN111308484B (en) | Depth module ranging method and device, depth camera and mobile terminal | |
| CN113865682A (en) | Truck tire load determining method and device and storage medium | |
| US20240319377A1 (en) | Method for monitoring a loading area | |
| CN113720430A (en) | Strain gauge-based method for weighing goods in container | |
| US20240288605A1 (en) | Inspection of cargo in open-topped vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 514000 room 2025, Jiayi business building, No.2 Jinshan Xueyuan Road, Meijiang district, Meizhou City, Guangdong Province Applicant after: Guangdong Huositong Technology Co.,Ltd. Address before: 514000 room 2025, Jiayi business building, No.2 Jinshan Xueyuan Road, Meijiang district, Meizhou City, Guangdong Province Applicant before: Meizhou YueShun Technology Co.,Ltd. |
|
| CB02 | Change of applicant information |