CN103940497A - Electronic scale of container turnover machine - Google Patents
Electronic scale of container turnover machine Download PDFInfo
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- CN103940497A CN103940497A CN201410166608.1A CN201410166608A CN103940497A CN 103940497 A CN103940497 A CN 103940497A CN 201410166608 A CN201410166608 A CN 201410166608A CN 103940497 A CN103940497 A CN 103940497A
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Abstract
The invention provides a measuring and weighing device arranged on a container turnover machine, and discloses an electronic scale of a container turnover machine. The electronic scale comprises a pressure detection unit, a position detection unit, a CPU, a nixie tube displayer, a keyboard and a printer. According to the pressure detection unit, two pressure sensors are arranged on an upper cavity oil circuit and a lower cavity oil circuit of a lifting oil cylinder respectively, and a weight acquisition channel of the CPU is formed by the two pressure sensors, an I/V circuit and an A/D converter. According to the position detection unit, position sensors are arranged on a base and a limiting frame respectively, and a position detection channel of the CPU is formed by the position sensors and a photocoupling circuit. A man-machine conversation channel is formed by a display unit, the keyboard and the printer. According to the technical scheme, the purpose that goods are automatically weighed and measured while container loading and unloading of the goods are carried out is achieved, and the technical problem that container loading and unloading of the goods are not quantified is solved. The overload problem in the goods transportation process is solved from the source, and transportation safety is guaranteed. The electronic scale of the container turnover machine has the advantages that measurement is accurate, the structure is simple, and the automation degree is high.
Description
Technical field
The present invention relates to a kind of metering and weighing device, relate to specifically a kind of container tipping organic electronic scale that goods is carried out automatic Weighing metering in container handling goods.
Background technology
Container Transport is a kind of convenient now, means of transportation efficiently, and container tilting or the setting equipment (patent No.: 201220141889.1) be a kind of plant equipment that is widely used in the industries such as Container Transport industry, warehousing and transportation, do not possess function of weighing.Along with the needs of socioeconomic development and business administration, in line with the principle of transporting safely, more and more higher to the requirement of cargo handling.The handling of goods, according to standardized work, are carried out the developing direction that goods Weighing is handling forwarding business.The handling of goods are at present weighed and are conventionally adopted the fixing weighing apparatus in some installation sites such as weighbridge, bring inconvenience to the quantitative handling of goods.
Summary of the invention
The defect existing for existing container Weighing, the invention provides a kind of container tipping organic electronic scale that completes the metering of goods automatic Weighing in the process of container handling goods.
The concrete technical scheme addressing the above problem is:
A kind of container tipping organic electronic scale, comprise I/V circuit and low-and high-frequency filtering circuit, it is characterized in that: be by pressure sensing cell, position detection unit, CPU central control unit, charactron display, keyboard and printer composition, the annexation of its each parts is: pressure sensing cell forms Weight acquisition passage by two-way pressure transducer and I/V circuit and A/D change-over circuit respectively, 8253 type inlet pressure transducers 1 connect the resistance R 9 of 1#I/V circuit, resistance R 9 connects high, the capacitor C 2 of low-frequency filter circuit and capacitor C 4, the output terminal of 1#I/V circuit connects 1 pin of TLC2543 A/D analog to digital converter U5, 8253 type outlet pressure sensors 2 connect the resistance R 10 of 2#I/V circuit, resistance R 10 output terminals connect high, the capacitor C 3 of low-frequency filter circuit and capacitor C 5, the output terminal of I/V circuit connects 2 pin of TLC2543A/D analog to digital converter U5, 17 pin of TLC2543A/D analog to digital converter U5 connect 21 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, 18 pin of TLC2543A/D analog to digital converter U5 connect 22 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, 15 pin of TLC2543A/D analog to digital converter U5 connect 25 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, 16 pin of TLC2543A/D analog to digital converter U5 connect 24 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, position detection unit forms position probing passage by two-way position transducer and photoelectric coupling circuit, lifting position sensor 3 contact resistance R2, resistance R 2 other ends connect 2 pin of TLP521-2 photoelectrical coupler U3, are provided with lifting position radiated element 7 on the position corresponding with the signal receiving end installation site of lifting position sensor 3, level sensor 4 contact resistance R3, resistance R 3 other ends connect 4 pin of TLP521-2 photoelectrical coupler U3, are provided with horizontal level radiated element 10 on the position corresponding with the signal receiving end installation site of level sensor 4, series resistor R4 and resistance R 5 between 8 pin of TLP521-2 photoelectrical coupler U3 and 6 pin, 8 pin of TLP521-2 photoelectrical coupler U3 connect 4 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, 6 pin of TLP521-2 photoelectrical coupler U3 connect 5 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, 24LC64
5 pin of storer U2 are connected 3 pin and 2 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit with 6 pin, in charactron display XSQ, MAX7219 drives 1 pin, 12 pin and 13 pin of chip U7 to be connected 39 pin, 38 pin and 37 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, keyboard JP adopts stand alone type, and each button is monopolized with a Tiaokou line, with 9 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, 12 pin, 13 pin, 14 pin, 15 pin, 16 pin and the connection of 17 pin, printer DYJ is connected with 11 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, the 89S52 single-chip microcomputer U1 of CPU central control unit connects power supply DY.
beneficial effect of the present invention:the present invention completes the automatic Weighing metering of goods when having realized container handling goods, solved container handling goods without the difficult problem quantizing, and has controlled freight transportation overload problems from source, ensure transportation safety, alleviate equipment attrition, reduce transportation cost, increase work efficiency.This product is widely used in the fields such as harbour, harbour, grain depot and bulk goods logistics distribution centre.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is circuit theory diagrams of the present invention;
Fig. 3 is scheme of installation of the present invention;
Fig. 4 is the scheme of installation of pressure transducer in Fig. 3.
Embodiment
A kind of container tipping organic electronic scale, as depicted in figs. 1 and 2: be by pressure sensing cell, position detection unit, CPU central control unit, charactron display, keyboard and printer composition, various devices are marketing device, the annexation of its each parts is: its pressure sensing cell forms Weight acquisition passage by two-way pressure transducer and I/V circuit and A/D change-over circuit respectively, for avoiding the external interference in work, 8253 type pressure transducers (trafag company of Switzerland) adopt two-wire system pressure unit, be output as 4～20mA current signal, pressure transducer connects known I/V change-over circuit, low-and high-frequency filtering circuit and modulus a/d transducer, sampled value is inputted to the data input bus (DIB) of CPU central control unit.Its concrete annexation is: 8253 type inlet pressure transducers 1 connect I/V circuitous resistance R9, I/V circuitous resistance R9 output terminal connects capacitor C 2 and the capacitor C 4 of high and low frequency filtering circuit, and the output terminal of high and low frequency filtering circuit connects 1 pin of U5TLC2543 A/D analog to digital converter U5 (Texas Instruments), 8253 type outlet pressure sensors 2 connect I/V circuitous resistance R10, I/V circuitous resistance R10 output terminal connects high, the capacitor C 3 of low-frequency filter circuit and capacitor C 5, high, the output terminal of low-frequency filter circuit connects 2 pin of TLC2543A/D analog to digital converter U5, 17 pin of TLC2543A/D analog to digital converter U5 connect 21 pin of 89S52 (U.S. Atmel) the single-chip microcomputer U1 of CPU central control unit, 18 pin of TLC2543A/D analog to digital converter U5 connect 22 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, 25 of the 89S52 single-chip microcomputer U1 of the 15 pin connection CPU central control units of TLC2543A/D analog to digital converter U5, 16 pin of TLC2543A/D analog to digital converter U5 connect 24 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, position detection unit forms position probing passage by two-way position transducer and photoelectric coupling circuit, and position transducer is magnetic induction part output switch amount signal.Lifting position sensor receives height control bit signal, and signal is through the data bus of photoelectricity coupling circuit input CPU; Level sensor receives horizontal control bit signal, and signal is through the data bus of photoelectricity coupling circuit input CPU.The two-way control bit signal that position detection unit detects, has determined the effective sampling points of pressure signal.Its concrete annexation is: lifting position sensor 3(Liaoning Instrument Research Institute Co., Ltd.) contact resistance R2, resistance R 2 other ends connect 2 pin of TLP521-2 photoelectrical coupler U3 (Japanese Toshiba), are provided with lifting position radiated element 7(Liaoning Instrument Research Institute Co., Ltd. on the position corresponding by holding position with the signal receiving end of lifting position sensor 3); Level sensor 4(Liaoning Instrument Research Institute Co., Ltd.) contact resistance R3, resistance R 3 other ends connect 4 pin of TLP521-2 photoelectrical coupler U3, R2, R3 and U3 form the isolation coupling circuit of high input impedance, have improved transmission quality and the antijamming capability of signal.On the position corresponding by holding position with the signal receiving end of level sensor 4, be provided with horizontal level radiated element 10(Liaoning Instrument Research Institute Co., Ltd.); Between 8 pin of TLP521-2 photoelectrical coupler U3 and 6 pin, series resistor R4 and resistance R 5 form the pull-up resistor of cpu data bus, and 8 pin of TLP521-2 photoelectrical coupler U3 connect 4 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit; 6 pin of TLP521-2 photoelectrical coupler U3 connect 5 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit; Also be provided with 24LC64 at CPU central control unit
storer U2, storer carries out storage, the read-write operation of data.24LC64
storer U2(Japan Toshiba) 5 pin be connected 3 pin and 2 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit with 6 pin; In charactron display, MAX7219 drives 1 pin, 12 pin and 13 pin of chip U7 to be connected 39 pin, 38 pin and 37 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, MAX7219 drives chip U7(U.S. MAXIM) drive 6 charactrons (Hangzhou Tian Shuojing Micron Technology Co., Ltd) to show, carry out data manipulation.Keyboard JP adopts stand alone type, and each button is monopolized with a Tiaokou line, with 9 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, 12 pin, 13 pin, 14 pin, 15 pin, 16 pin and the connection of 17 pin; Printer DYJ is connected with 11 pin of the 89S52 single-chip microcomputer U1 of CPU central control unit, and charactron display, keyboard, printing mechanism become man-machine dialog channel; The 89S52 single-chip microcomputer U1 of CPU central control unit connects conventional power supply.
Container tipping organic electronic scale installation and application, as shown in Figure 3 and Figure 4: container tipping organic electronic scale 11 is placed on the base 12 of container tilting or the equipment of setting, and 8253 type inlet pressure transducers 1 of container tipping organic electronic scale are fixed on the oil-way pipe porch of hoist cylinder 5.8253 type outlet pressure sensors 2 are fixed on the oil-way pipe exit of hoist cylinder 5.Lifting position sensor 3 is placed on base 12, and its lifting position radiated element 7 is placed in lifting column 6 height control bits.Hoist cylinder 5 is in lifting process, and while being fixed on the lifting position radiated element 7 process lifting position sensor on lifting column 6, lifting position sensor receives height control bit signal, and signal is through the data bus of photoelectricity coupling circuit input CPU; Level sensor 4 is placed on limit base 8, and its horizontal level radiated element 10 is placed in the horizontal control bit of limiting plate 9.In the time that container 13 is horizontal, while being fixed on the horizontal level radiated element 10 process level sensor 4 on limiting plate 9, level sensor receives horizontal control bit signal, and signal is through the data bus of photoelectricity coupling circuit input CPU.The two-way control bit signal that position detection unit detects has been determined the effective sampling points of pressure signal.
The present invention adopts that container tipping machine equipment hoist cylinder enters, the pressure reduction of outlet pressure sensor and the linear principle of the weight of lade are set up mathematical model, be written as in the 89S52 single-chip microcomputer U1 that software packs CPU central control unit into, in order to practical application computing, the present invention is simultaneously by lifting position sensor and level sensor, determine the effective sampling points of pressure signal, guaranteed accuracy and the reliability of weighing measurement.Carried out computing, the processing of data by CPU central control unit, implementation data integrated management.
Claims (1)
1. a container tipping organic electronic scale, comprise I/V circuit and low-and high-frequency filtering circuit, it is characterized in that: be by pressure sensing cell, position detection unit, CPU central control unit, charactron display, keyboard and printer composition, the annexation of its each parts is: pressure sensing cell forms Weight acquisition passage by two-way pressure transducer and I/V circuit and A/D change-over circuit respectively, 8253 type inlet pressure transducers (1) connect the resistance (R9) of 1#I/V circuit, resistance (R9) connects high, the electric capacity (C2) of low-frequency filter circuit and electric capacity (C4), the output terminal of 1#I/V circuit connects 1 pin of TLC2543 A/D analog to digital converter (U5), 8253 type outlet pressure sensors (2) connect the resistance (R10) of 2#I/V circuit, resistance (R10) output terminal connects high, the electric capacity (C3) of low-frequency filter circuit and electric capacity (C5), the output terminal of I/V circuit connects 2 pin of TLC2543A/D analog to digital converter (U5), 17 pin of TLC2543A/D analog to digital converter (U5) connect 21 pin of the 89S52 single-chip microcomputer (U1) of CPU central control unit, 18 pin of TLC2543A/D analog to digital converter (U5) connect 22 pin of the 89S52 single-chip microcomputer (U1) of CPU central control unit, 15 pin of TLC2543A/D analog to digital converter (U5) connect 25 pin of the 89S52 single-chip microcomputer (U1) of CPU central control unit, 16 pin of TLC2543A/D analog to digital converter (U5) connect 24 pin of the 89S52 single-chip microcomputer (U1) of CPU central control unit, position detection unit forms position probing passage by two-way position transducer and photoelectric coupling circuit, lifting position sensor (3) contact resistance (R2), resistance (R2) other end connects 2 pin of TLP521-2 photoelectrical coupler (U3), is provided with lifting position radiated element (7) on the position corresponding with the signal receiving end installation site of lifting position sensor (3), level sensor (4) contact resistance (R3), resistance (R3) other end connects 4 pin of TLP521-2 photoelectrical coupler (U3), is provided with horizontal level radiated element (10) on the position corresponding with the signal receiving end installation site of level sensor (4), series resistor (R4) and resistance (R5) between 8 pin of TLP521-2 photoelectrical coupler (U3) and 6 pin, 8 pin of TLP521-2 photoelectrical coupler (U3) connect 4 pin of the 89S52 single-chip microcomputer (U1) of CPU central control unit, 6 pin of TLP521-2 photoelectrical coupler (U3) connect 5 pin of the 89S52 single-chip microcomputer (U1) of CPU central control unit, 24LC64
5 pin of storer (U2) are connected 3 pin and 2 pin of the 89S52 single-chip microcomputer (U1) of CPU central control unit with 6 pin, in charactron display (XSQ), MAX7219 drives 1 pin, 12 pin and 13 pin of chip (U7) to be connected 39 pin, 38 pin and 37 pin of the 89S52 single-chip microcomputer (U1) of CPU central control unit, keyboard (JP) adopts stand alone type, and each button is monopolized with a Tiaokou line, with 9 pin of the 89S52 single-chip microcomputer (U1) of CPU central control unit, 12 pin, 13 pin, 14 pin, 15 pin, 16 pin and the connection of 17 pin, printer (DYJ) is connected with 11 pin of the 89S52 single-chip microcomputer (U1) of CPU central control unit, the 89S52 single-chip microcomputer (U1) of CPU central control unit connects power supply (DY).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410166608.1A CN103940497A (en) | 2014-04-24 | 2014-04-24 | Electronic scale of container turnover machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410166608.1A CN103940497A (en) | 2014-04-24 | 2014-04-24 | Electronic scale of container turnover machine |
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| CN103940497A true CN103940497A (en) | 2014-07-23 |
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| CN201410166608.1A Pending CN103940497A (en) | 2014-04-24 | 2014-04-24 | Electronic scale of container turnover machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330145A (en) * | 2014-10-13 | 2015-02-04 | 中国铁道科学研究院运输及经济研究所 | Railway container overload and unbalanced load detection monitoring system |
| CN114777894A (en) * | 2022-04-06 | 2022-07-22 | 深圳市凌阳电子有限公司 | Human body scale based on two-wire system |
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| CN2639082Y (en) * | 2003-04-16 | 2004-09-08 | 辽宁仪表研究所有限责任公司 | Loading weighing controller of loader |
| CN200979446Y (en) * | 2006-12-12 | 2007-11-21 | 辽宁仪表研究所有限责任公司 | An electronic weigher for forklifts |
| US20100161185A1 (en) * | 2008-12-23 | 2010-06-24 | Caterpillar Inc. | Method and apparatus for calculating payload weight |
| CN201803778U (en) * | 2010-06-02 | 2011-04-20 | 北京神铁铁道科技发展有限公司 | Electronic scale for loader |
| CN203929182U (en) * | 2014-04-24 | 2014-11-05 | 辽宁仪表研究所有限责任公司 | Container tipping organic electronic scale |
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2014
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4203694A1 (en) * | 1992-02-08 | 1993-08-12 | Deere & Co | System for determining filling level in tank - forms sensor as flexible container linked to display in operators cabin by pipe and contg. liquid displaceable by weight of goods |
| CN2639082Y (en) * | 2003-04-16 | 2004-09-08 | 辽宁仪表研究所有限责任公司 | Loading weighing controller of loader |
| CN200979446Y (en) * | 2006-12-12 | 2007-11-21 | 辽宁仪表研究所有限责任公司 | An electronic weigher for forklifts |
| US20100161185A1 (en) * | 2008-12-23 | 2010-06-24 | Caterpillar Inc. | Method and apparatus for calculating payload weight |
| CN201803778U (en) * | 2010-06-02 | 2011-04-20 | 北京神铁铁道科技发展有限公司 | Electronic scale for loader |
| CN203929182U (en) * | 2014-04-24 | 2014-11-05 | 辽宁仪表研究所有限责任公司 | Container tipping organic electronic scale |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330145A (en) * | 2014-10-13 | 2015-02-04 | 中国铁道科学研究院运输及经济研究所 | Railway container overload and unbalanced load detection monitoring system |
| CN114777894A (en) * | 2022-04-06 | 2022-07-22 | 深圳市凌阳电子有限公司 | Human body scale based on two-wire system |
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Application publication date: 20140723 |