CN2663932Y

CN2663932Y - A cargo transportation safety monitor

Info

Publication number: CN2663932Y
Application number: CN 200320109926
Authority: CN
Inventors: 赵庆海; 顾桓; 孙中胜; 蒋磊; 黄颖为; 于江
Original assignee: Xian University of Technology
Current assignee: Xian University of Technology
Priority date: 2003-12-11
Filing date: 2003-12-11
Publication date: 2004-12-15
Anticipated expiration: 2013-12-11

Abstract

The utility model provides a cargo transportation safety monitor, which comprises a singlechip, a chip memory, a USB interface, a temperature sensor, a humidity sensor, an acceleration transducer and a clock/calendar chip, wherein, the singlechip is connected with the temperature sensor, the humidity sensor and the acceleration transducer as well as the USB interface special purpose chip; a microcomputer system is connected with the USB interface special purpose chip through a USB connecting line via the USB interface; the clock/calendar chip is connected with the chip memory and the singlechip. The utility model can realize monitoring of whole process of transportation and of acceleration, temperature and humidity of packing case during circulation process and can record monitoring results in the chip memory; and then, through reading the data recorded in system, the utility model can obtain data of damage cause to confirm cause of damage so as to adopt corresponding technical and management means, thereby reducing damage to minimum extent.

Description

A kind of cargo transportation security monitor

Technical field

The utility model relates to a kind of intelligent monitoring instrument of freight transportation, especially a kind of cargo transportation security monitor.

Prior art

In the transportation and packing field, the deviser of product package material is in order to prevent the damage of package in the process of circulation, after the packing material design is finished, adopt method for computer simulation to grasp various data usually, perhaps adopt the various method of testings among the packing dynamical foundation to obtain desired data; Mainly contain stacking test, the pressure experiment of transport package, static experiment such as temperature and humidity conditions simulation; Also adopt dynamic experiments such as drop test, horizontal impact test, vibration experiment.

The STORAGE MEASUREMENT TECHNIQUE that is based upon at present on one chip microcomputer and the microelectric technique basis has been widely used in fields such as weapons test, oil well logging; Its core is that the micrometering test system is directly put into measured body, directly tests measured body various major parameters in the course of the work and changes, and data are existed in the storer.Then the data of storer are read by computer interface, thereby obtain the time dependent curve of measured parameter.

Annual about more than 100 hundred million yuan of the economic loss that in the circulation of commodities process, causes owing to bad packing, but because of loading and unloading the difference of means of transport, circuit, regional condition, storage facilities, various carrying capacities of environment have very big randomness, are difficult to predictions and simulations; And the deviser of the packing of product is owing to lack the corresponding various True Datas that package damages that influence, and its design is difficult to guarantee rationally, reliable.

Summary of the invention

The purpose of this utility model is the real-time monitoring by the temperature of package circulation overall process, humidity, three parameters of acceleration, the influence factor that finds package to damage, for the deviser of package provides reliable data, make the packing material design of product more reasonable, monitor transportation and packing enterprise simultaneously and whether operate by working specification.

The purpose of this utility model realizes by the following technical solutions: the utility model includes single-chip microcomputer, the USB interface special chip, storer, USB interface, temperature sensor, humidity sensor and acceleration transducer, wherein, the 18th pin AD0 of single-chip microcomputer, the 17th pin AD1 and the 16th pin AD2 respectively with temperature sensor, humidity sensor connects and is connected with acceleration transducer, the 8th pin INT1 of single-chip microcomputer links to each other with the 8th pin INT-N of USB interface special chip, the 9th pin SDA of single-chip microcomputer links to each other with the 10th pin SCL with the 9th pin SDA of USB interface special chip respectively with the 10th pin SCL, and microsystem is connected with the USB interface special chip by the USB connecting line by USB interface; This safe monitor also includes clock/calendar chip, and said clock/calendar chip and storer connect together by the 5th pin SDA and the 6th pin SCL, and the 3rd pin INT of clock/calendar chip is connected with the 13rd pin T0 of single-chip microcomputer.

Cargo transportation security monitor of the present utility model, can write down from commodity from packing and begin to the time dependent data of overall process temperature, humidity, acceleration of paying this circulation of client, thereby determine the concrete moment that package damages, finding according to the record of the process of circulation is which link is damaged package, thereby, make the packing material design of product more reasonable for the deviser of package provides reliable data.

Description of drawings

Fig. 1 is a structure interface chart of the present utility model.

Embodiment

Structure interface chart with reference to Fig. 1, wherein, the 18th pin AD0 of single-chip microcomputer 4, the 17th pin AD1 and the 16th pin AD2 respectively with temperature sensor 5, humidity sensor 6 connects and is connected with acceleration transducer 7, the 8th pin INT1 of single-chip microcomputer 4 links to each other with the 8th pin INT-N of USB interface special chip 3, the 9th pin SDA of single-chip microcomputer 4 links to each other with the 10th pin SCL with the 9th pin SDA of USB interface special chip 3 respectively with the 10th pin SCL, microsystem 1 is connected with USB interface special chip 3 by the USB connecting line by USB interface 2, clock/calendar chip 8 and storer 9 connect together by the 5th pin SDA and the 6th pin SCL, and the 3rd pin INT of clock/calendar chip 8 is connected with the 13rd pin T0 of single-chip microcomputer 4.

The single-chip microcomputer 4 that is wherein adopted is the P87LPC768 single-chip microcomputer; The USB interface special chip 3 that is adopted is the PDIUSBD11 chip; The storer 9 that is adopted is the AT24C1024 storer; Clock/the calendar chip 8 that is adopted is PCF8563 clock/calendar chip; The safe monitor powered battery.

In use the utility model is inserted in the package, it is acp chip that this safe monitor adopts with the compatible mutually LPC768 of MCS-51 series monolithic, cooperate PCF8563 clock/calendar chip 8 to provide and gather constantly, automatically gather humidity, temperature, three parameters of acceleration, three amounts and a time parameter of being gathered are deposited in the AT24C1024 storer 9, to be packaged when being opened, get safe monitor, be connected on the microcomputer 1 by USB interface 2, microcomputer 1 carries out communication with this monitor, taking-up is three supplemental characteristics of benchmark with time, and by three time dependent curves of parameter of software output, this curve can be the packing material deviser true procedure parameter is provided, and as its design foundation whether reliably, also can offer the technical data of transportation management department as its management.

During work, at first write parameters such as sampling interval, packing date to the cargo transportation security monitor by USB interface 2 with the program in the microcomputer system.Intrasystem USB interface special chip PDIUSBD11 chip 3 sends interruption to P87LPC768 single-chip microcomputer 4, and 4 responses of P87LPC768 single-chip microcomputer interrupt passing through I ²The data that the C bus writes microcomputer are placed in the At24C1024 storer 9; Disconnect the USB connecting line this moment, monitor is presented in the package, the cargo transportation security monitor is after receiving the data of microsystem, change normal mode of operation over to, during work, P87LPC768 single-chip microcomputer 4 at first takes out sampling time interval data and the packing date data that write by microcomputer from At24C1024 storer 9, pass through I ²The C bus is provided with PCF8563 clock/calendar chip 8 timing zero-times, and sends once interruption every how long.P87LPC768 single-chip microcomputer 4 enters interrupt latency afterwards, PCF8563 clock/calendar chip 8 sends interruption by sampling time interval, 4 responses of P87LPC768 single-chip microcomputer are interrupted, by 8 A/D converter collecting temperatures, humidity, the acceleration information of P87LPC768 single-chip microcomputer 4 inside, and store time and above-mentioned three data into At24C1024 storer 9.8 every the once interruptions of PCF8563 clock/calendar chip, P87LPC768 single-chip microcomputer 4 is finished aforesaid operations one time, and infinite loop like this, just can store the temperature corresponding with the time, humidity, acceleration information.

When the transportation part is opened, take out the cargo transportation security monitor, couple together with USB connecting line and microcomputer, microcomputer reads the data that collect by software to monitor, at this moment PDIUSBD11 chip 3 sends interruption to P87LPC768 single-chip microcomputer 4, P87LPC768 single-chip microcomputer 4 no longer responds the interruption that PCF8563 clock/calendar chip 8 sends, then gives microcomputer with the data of storage in the At24C1024 storer 9 by USB interface 2.

Main characteristics of the present utility model are to have adopted PCF8563 clock/calendar chip, for the overall process of freight transportation and the collection of whole data provide a time reference, its utilization provides temperature, humidity, the acceleration information of package under various true current intelligences can for the deviser of packing material, make the design of packing material more reasonable, avoid packing excessively; In transportation, use the utility model, can write down from commodity from packing and begin to the time dependent data of overall process temperature, humidity, acceleration of paying this circulation of client, thereby determine the concrete moment that package damages, finding according to the record of the process of circulation is which link is damaged package, thereby, make the packing material design of product more reasonable for the deviser of package provides reliable data; The foundation of claim also is provided for the commodity fabricator simultaneously, and, impels it to improve management for transportation management department provides its administrative vulnerability place.

In use, the utility model is placed in the packing material that transports grain, can monitor the situation of change of its temperature, humidity, acceleration, if when arriving the destination, go mouldy, then can know when, where to be subjected to drenching with rain, can investigate the responsibility of transport enterprise thus from the time dependent data of temperature, humidity of cargo transportation security monitoring system registers.Also can adopt the transportation of cement, former wet goods equally.

Also the utility model can be inserted in the packing material of exact instrument, can monitor situations such as its temperature, humidity, acceleration change, whether all right test package thing design is suitable, thereby real data is provided for the deviser of packing material.

Claims

1, a kind of cargo transportation security monitor, include single-chip microcomputer (4), USB interface special chip (3), storer (9), USB interface (2), temperature sensor (5), humidity sensor (6) and acceleration transducer (7), wherein, the 18th pin AD0 of single-chip microcomputer (4), the 17th pin AD1 and the 16th pin AD2 respectively with temperature sensor (5), humidity sensor (6) connects and is connected with acceleration transducer (7), the 8th pin INT1 of single-chip microcomputer (4) links to each other with the 8th pin INT-N of USB interface special chip (3), the 9th pin SDA of single-chip microcomputer (4) links to each other with the 10th pin SCL with the 9th pin SDA of USB interface special chip (3) respectively with the 10th pin SCL, microsystem (1) is connected with USB interface special chip (3) by the USB connecting line by USB interface (2), it is characterized in that this safe monitor also includes clock/calendar chip (8), said clock/calendar chip (8) and storer (9) connect together by the 5th pin SDA and the 6th pin SCL, and the 3rd pin INT of clock/calendar chip (8) is connected with the 13rd pin T0 of single-chip microcomputer (4).

2, cargo transportation security monitor according to claim 1, it is characterized in that said clock/calendar chip (8) provides collection constantly, automatically gather humidity, temperature, three parameters of acceleration, three amounts and time parameter of being gathered deposited in the storer (9).

3, cargo transportation security monitor according to claim 1 is characterized in that said single-chip microcomputer (4) is the P87LPC768 single-chip microcomputer.

4, cargo transportation security monitor according to claim 1 is characterized in that said USB interface special chip (3) is the PDIUSBD11 chip.

5, cargo transportation security monitor according to claim 1 is characterized in that said storer (9) is the AT24C1024 storer.

6, cargo transportation security monitor according to claim 1 is characterized in that said clock/calendar chip (8) is PCF8563 clock/calendar chip.