CN105117766A - Engineering earthwork transport vehicle working amount counting system and method based on ultra-wideband ranging - Google Patents

Abstract

Translated fromChinese

一种基于超宽频测距的工程土方运输车工作量计数系统及方法，该系统包括：固定在挖掘机驾驶舱内的一个超宽频接收器、固定在运输车车厢底部的超宽频RFID标签、带LTE网络传输模块的单片机系统、网络服务器以及手机或PC查询终端。该方法通过超宽频接收器去感知超宽频RFID标签所发射出的信号测出挖掘机与运输车之间的距离并唯一识别运输车；通过比较挖掘机和运输车的距离，判断运输车是否进入装载区域以及是否驶离。运输车进入并驶离一次该运输车工作量计数加一；单片机系统通过LTE网络将工作量计数信息发往网络服务器；经过服务器端的统计处理和WEB服务模块，用户可以通过手机或PC机实时的查询运输车的工作量。

A system and method for counting the workload of engineering earthwork transport vehicles based on ultra-wideband distance measurement, the system includes: an ultra-wideband receiver fixed in the cockpit of an excavator, an ultra-wideband RFID tag fixed at the bottom of the transport vehicle compartment, a The single-chip microcomputer system of the LTE network transmission module, the network server and the query terminal of the mobile phone or PC. This method senses the signal emitted by the ultra-wideband RFID tag through the ultra-wideband receiver to measure the distance between the excavator and the transport vehicle and uniquely identify the transport vehicle; by comparing the distance between the excavator and the transport vehicle, it is judged whether the transport vehicle has entered The loading area and whether to drive away. Once the transport vehicle enters and leaves, the workload count of the transport vehicle is increased by one; the single-chip system sends the workload count information to the network server through the LTE network; after the server-side statistical processing and WEB service module, the user can use the mobile phone or PC in real time. Query the workload of the transport vehicle.

Description

Translated fromChinese

一种基于超宽频测距的工程土方运输车工作量计数系统及方法A workload counting system and method for engineering earthwork transport vehicles based on ultra-wideband distance measurement

技术领域technical field

本发明涉及一种基于超宽频测距的工程土方运输车工作量计数系统及方法。The invention relates to a system and method for counting the workload of an engineering earthwork transport vehicle based on ultra-wideband distance measurement.

背景技术Background technique

超宽频(UWB，ultra-wideband)是一种能耗极低的新型无线电技术，具有广阔的应用前景。超宽频测距是一个非常重要的热点应用领域。相对传统的无线测距技术，超宽频测距技术具有能耗低，干扰少，精度高等特点。超宽频测距需要超宽频接收器和超宽频RFID标签配合应用。超宽频RFID标签是一个大小大概1英寸的小方块，可以固定或粘结在物理器件上，标签每隔一定时间往外发射信号，超宽频接收器通过接收标签所发射的信号从而感知自身和标签的距离，并通过信号中的标识号来唯一识别该标签。超宽频技术因价格低廉、安装方便、精度较高得到了广泛的应用。Ultra-wideband (UWB, ultra-wideband) is a new radio technology with extremely low energy consumption and has broad application prospects. Ultra-wideband ranging is a very important hot application field. Compared with traditional wireless ranging technology, ultra-wideband ranging technology has the characteristics of low energy consumption, less interference and high precision. Ultra-wideband ranging requires the application of ultra-wideband receivers and ultra-wideband RFID tags. The ultra-wideband RFID tag is a small square about 1 inch in size, which can be fixed or glued to the physical device. The tag sends out signals at regular intervals. The ultra-wideband receiver perceives itself and the tag by receiving the signal emitted by the tag. distance, and uniquely identify the tag through the identification number in the signal. UWB technology has been widely used because of its low price, convenient installation and high precision.

目前，工程土方运输车工作量的统计，主要是依靠人工方法来完成。一种方法是由专人在现场进行记录。这种方法耗费大量的人力，成本高，结算复杂，并且容易漏记、重复记，容易出错。另一种常见方法是对运输车辆进行发牌子处理，通过计算牌子的数量来确定运输车的装运车数。这种方法也需要人工完成，费时费力，并且也容易出现漏发重发的现象。At present, the statistics of the workload of engineering earthwork transport vehicles are mainly completed by manual methods. One method is to record by a person on site. This method consumes a lot of manpower, high cost, complex settlement, and it is easy to omit, repeat and make mistakes. Another common method is to issue license plates to transport vehicles, and determine the number of transport vehicles loaded by counting the number of license plates. This method also needs to be completed manually, which is time-consuming and labor-intensive, and is also prone to the phenomenon of missing and retransmitting.

因此，提出一种全自动的工程土方运输车的工作量计数系统和方法，具有非常重要的实际意义。可以极大的节省成本，提高效率，并且能够更精确科学的衡量和结算工程土方运输车的工作量，提高工程管理的科学水准。Therefore, it has very important practical significance to propose a fully automatic workload counting system and method for engineering earthwork transport vehicles. It can greatly save costs, improve efficiency, and can more accurately and scientifically measure and settle the workload of engineering earthwork trucks, improving the scientific level of engineering management.

发明内容Contents of the invention

本发明提供一种基于超宽频测距的工程土方运输车工作量计数系统及方法，可以远程实时的查询运输车的工作量信息，目的在于解决上述现有技术中存在的耗费人力、容易出错、结算复杂、效率较低的问题。The present invention provides a system and method for counting the workload of engineering earthwork transport vehicles based on ultra-broadband ranging, which can remotely query the workload information of transport vehicles in real time, and aims to solve the problems of labor-intensive, error-prone, and Settle complex and inefficient issues.

一种基于超宽频测距的工程土方运输车工作量计数系统，包括固定在挖掘机驾驶舱内的一个超宽频接收器、固定在运输车车厢底部的超宽频RFID标签、带LTE网络传输模块的单片机系统、网络服务器、以及手机或PC查询终端，超宽频接收器通过通信线路与单片机系统相联。A workload counting system for engineering earthwork transport vehicles based on ultra-wideband ranging, including an ultra-wideband receiver fixed in the cockpit of an excavator, an ultra-wideband RFID tag fixed at the bottom of the transport vehicle compartment, and an LTE network transmission module A single-chip computer system, a network server, a mobile phone or a PC query terminal, and an ultra-wideband receiver are connected with the single-chip computer system through a communication line.

一种基于超宽频测距的工程土方运输车工作量计数方法，首先通过挖掘机上的超宽频接收器去感知固定在运输车车厢底部的超宽频RFID标签所发射的信号，测出挖掘机与运输车之间的距离，并通过超宽频RFID信号中的标识号来唯一识别运输车。A method for counting the workload of engineering earthwork transport vehicles based on ultra-wideband distance measurement. First, the ultra-wideband receiver on the excavator senses the signal emitted by the ultra-wideband RFID tag fixed at the bottom of the transport vehicle, and measures the distance between the excavator and the transport vehicle. The distance between the vehicles, and the unique identification of the transport vehicle through the identification number in the ultra-wideband RFID signal.

通过分析挖掘机和运输车的距离，判断运输车是否进入装载区域以及判断是否离开。预先设定两个以挖掘机为中心的距离范围，较近的内范围和较远的外范围。运输车进入挖掘机的内范围时，判断该车进入装载状态；当运输车进入过装载状态并驶离外范围时，判断其已经装载完成并驶离。这时运输车工作量车数计数加一。By analyzing the distance between the excavator and the transport vehicle, it is judged whether the transport vehicle enters the loading area and whether it leaves. Two distance ranges centered on the excavator are preset, a closer inner range and a farther outer range. When the transport vehicle enters the inner range of the excavator, it is judged that the vehicle has entered the loading state; when the transport vehicle enters the over-loaded state and leaves the outer range, it is judged that it has been loaded and left. At this time, the count of the number of vehicles in the transport vehicle workload is increased by one.

单片机系统通过LTE移动网络将运输车工作量计数信息发往网络服务器，包括运输车标识号、车数、时间等。The single-chip microcomputer system sends the transport vehicle workload counting information to the network server through the LTE mobile network, including the transport vehicle identification number, vehicle number, time, etc.

经过服务器端的统计处理和WEB服务模块，用户可以经手机或者PC终端通过网络实时的查询运输车的工作量信息。After the server-side statistical processing and WEB service module, the user can query the workload information of the transport vehicle in real time through the mobile phone or PC terminal through the network.

附图说明Description of drawings

图1是本发明基于超宽频测距的工程土方运输车工作量计数系统图。Fig. 1 is a diagram of the workload counting system of an engineering earthwork transport vehicle based on ultra-wideband ranging in the present invention.

图2是本发明运输车装载和驶离状态判断方法图。Fig. 2 is a diagram of the method for judging the loading and driving away states of the transport vehicle of the present invention.

具体实施方式Detailed ways

下面结合附图和具体实施方式对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

如图1所示，为本发明的基于超宽频测距的工程土方运输车工作量计数系统图，该系统包括放置在挖掘机驾驶舱内的一个超宽频接收器、固定在运输车车厢底部的超宽频RFID标签、带LTE网络传输模块的单片机系统、网络服务器、以及手机或PC查询终端，其中，超宽频接收器通过通信线路与单片机相连。As shown in Figure 1, it is the engineering earthwork transport vehicle workload counting system diagram based on ultra-wideband distance measurement of the present invention, the system includes an ultra-wideband receiver placed in the excavator cab, fixed on the bottom of the transport vehicle compartment An ultra-wideband RFID tag, a single-chip microcomputer system with an LTE network transmission module, a network server, and a mobile phone or a PC query terminal, wherein the ultra-wideband receiver is connected to the single-chip microcomputer through a communication line.

一种基于超宽频测距的工程土方运输车工作量计数方法，该方法通过挖掘机上的超宽频接收器去感知运输车车厢底部超宽频RFID标签所发射出的信号，测出挖掘机与运输车之间的距离，并通过RFID信号中的标识号来唯一识别运输车。在运输车工作量计数中，并不需要对运输车进行精确定位，只需要测定和挖掘机间的相对距离即可，所以可以只用一个超宽频接收器。A method for counting the workload of engineering earthwork transport vehicles based on ultra-wideband distance measurement. The method senses the signal emitted by the ultra-wideband RFID tag at the bottom of the transport vehicle through the ultra-wideband receiver on the excavator, and measures the distance between the excavator and the transport vehicle. The distance between them, and uniquely identify the transport vehicle through the identification number in the RFID signal. In counting the workload of the transport vehicle, it is not necessary to accurately locate the transport vehicle, but only need to measure the relative distance to the excavator, so only one ultra-wideband receiver can be used.

如图2所示，通过分析挖掘机1和运输车2的距离，判断运输车是否进入装载状态以及是否驶离。预先设定两个以挖掘机为中心的距离范围，较近的距离3确定的内范围4和较远的距离5确定的外范围6。运输车2进入挖掘机1的内范围4时，判断该车进入装载状态。当运输车进入过内范围4(装载状态)并驶离外范围6时，判断其已经装载完成并驶离。这时运输车工作量车数计数加一。As shown in FIG. 2 , by analyzing the distance between the excavator 1 and the transport vehicle 2 , it is judged whether the transport vehicle enters the loading state and whether it drives away. Two distance ranges centered on the excavator are preset, the inner range 4 determined by the shorter distance 3 and the outer range 6 determined by the farther distance 5 . When the transport vehicle 2 enters the inner range 4 of the excavator 1, it is judged that the vehicle enters the loading state. When the transport vehicle enters the inner range 4 (loading state) and drives away from the outer range 6, it is judged that it has been loaded and is driven away. At this time, the count of the number of vehicles in the transport vehicle workload is increased by one.

单片机系统完成所有的计算和判断工作，产生新的工作量计数信息时，通过LTE移动网络将运输车工作量计数信息发往网络服务器，包括运输车标识号、车数、时间等。The single-chip microcomputer system completes all calculations and judgments, and when new workload counting information is generated, the transport vehicle workload counting information is sent to the network server through the LTE mobile network, including the identification number of the transport vehicle, the number of vehicles, and time.

经过服务器端的统计处理和WEB服务模块，用户可以经手机或者PC终端通过Web浏览器访问服务器实时的查询运输车的工作量信息。After the server-side statistical processing and WEB service module, users can access the server through a mobile phone or PC terminal through a Web browser to query the workload information of the transport vehicle in real time.

本发明专利提供了一种远程实时精确的查询运输车工作量的基本方法，能够清楚、直观的了解运输车的状态，提高了运输车的工作效率。The patent of the present invention provides a basic method for remote real-time and accurate query of the workload of the transport vehicle, which can clearly and intuitively understand the state of the transport vehicle, and improves the working efficiency of the transport vehicle.

Claims (4)

1., based on an engineering earthwork transport vehicle workload number system for ultra-wideband range finding, it is characterized in that, it comprises:

Be placed on a ultra-wideband receiver in excavator driving cabin, be fixed on the ultra-wideband RFID label tag bottom transport vehicle carriage, the Single Chip Microcomputer (SCM) system being with LTE network transport module, the webserver and mobile phone or PC inquiry terminal, ultra-wideband receiver is connected by communication line and Single Chip Microcomputer (SCM) system.

2. the engineering earthwork transport vehicle workload method of counting based on ultra-wideband range finding, be applicable to the workload of long-range inquiry transport vehicle in real time, based on system according to claim 1, it is characterized in that, remove by the ultra-wideband receiver on excavator the signal that bottom perception transport vehicle carriage, ultra-wideband RFID label tag is launched, measure the distance between excavator and transport vehicle and uniquely identify transport vehicle.

3. the engineering earthwork transport vehicle workload method of counting based on ultra-wideband range finding, based on system according to claim 1, it is characterized in that, by the distance of analysis mining machine and transport vehicle, judge whether transport vehicle enters loading area and judge whether to leave: preset two distance ranges centered by excavator, nearer interior scope and outer scope far away; When transport vehicle enters the interior scope of excavator, judge that this car enters loading condition; When transport vehicle entered loading condition and sailed out of outer scope, judge that it has loaded and has sailed out of, at this moment transport vehicle workload car counting number adds one.

4. based on the engineering earthwork transport vehicle workload method of counting based on ultra-wideband range finding according to claim 2, it is characterized in that, also comprise Single Chip Microcomputer (SCM) system and realize the communication with the webserver by LTE network, user can pass through the workload of the real-time inquiry transport vehicle of network access server through mobile phone or PC terminal.