CN104061991A - Automatic feedstock weighing device - Google Patents
Automatic feedstock weighing device Download PDFInfo
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- CN104061991A CN104061991A CN201310090432.1A CN201310090432A CN104061991A CN 104061991 A CN104061991 A CN 104061991A CN 201310090432 A CN201310090432 A CN 201310090432A CN 104061991 A CN104061991 A CN 104061991A
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Abstract
The invention discloses an automatic feedstock weighing device which includes a photoelectric conversion circuit, a time delay circuit and an execution circuit. A signal output end of the photoelectric conversion circuit is connected with a signal input end of the time delay circuit. A signal output end of the time delay circuit is connected with a signal input end of the execution circuit. The photoelectric conversion circuit includes a first capacitor, a first resistor, a second resistor, a first diode and an emitter coupled trigger. A first end of the first capacitor is connected with a first end of the first resistor, a cathode of the first diode and an input end of the emitter coupled trigger. The two ends of the first capacitor are connected with an anode of the first diode and the first end of the second resistor respectively. Through adoption of the technical scheme, the automatic feedstock weighing device has the advantages of being small in measurement errors, high in production efficiency and high in reliability and the like.
Description
Technical field
The present invention relates to a kind of meausring apparatus, particularly relate to a kind of automatic feed meausring apparatus.
Background technology
In batching production run, it is most important link that raw material is weighed.Therefore the precision of raw material Weighing control and key component that reliability is whole batching control procedure its affected the height of automaticity and the performance of overall process.The most outstanding shortcoming of like product is exactly that error in dipping is larger in the market, cannot guarantee the requirement of the quality of production to material metering error.The be mostly ± 1%-2% of error in dipping of most of product description mark gauging error in actual environment for use is even higher greatly ± 10%.The meausring apparatus that feed proportioning system adopts is to adopt sensing technology, electronic technology and the integrated electronic scales of computer technology.The positive scale of electronics and Electronic Negative scale are that two kinds of electronic scale are dissimilar.The weighing technique that so-called positive scale is exactly general custom is along with being increased negative scale with the minimizing that is claimed object weight by the reading of the increase scale of scale object weight, the reading of scale increases.When it is usually used in discharge, indicate withdrawal rate, therefore also can be referred to as discharging scale.What the positive scale type of electronics automatic doser adopted is that material enters the metering of scale body, and the Electronic Negative scale that other proportioning machine adopts to be material leave the metering of scale body.The proportioning machine majority of research and development is continued to use designing a model of " promote material loading, batching certainly falling " at home, all adopts positive scale metering on measuring principle.In whole production technology, prepare burden the most important.This just has higher requirement to weighing precision, and existing automatic feed weighing device exists the shortcomings such as the large and measuring error of power consumption is large.
Summary of the invention
The object of the invention is to provide in order to address the above problem a kind of automatic feed meausring apparatus of simple to operate, low in energy consumption, stable performance.
The present invention is achieved by the following technical solutions:
A kind of automatic feed meausring apparatus, comprise photoelectric switching circuit, delay circuit and executive circuit, the signal output part of described photoelectric switching circuit is connected with the signal input part of described delay circuit, the signal output part of described delay circuit is connected with the signal input part of described executive circuit, described photoelectric switching circuit comprises the first electric capacity, the first resistance, the second resistance, the first diode and emitter-coupled trigger, the first end of described the first electric capacity respectively with the first end of described the first resistance, the negative pole of the first diode is connected with the input end of described emitter-coupled trigger, two ends of described the first electric capacity are connected with the first end of described the second resistance with the positive pole of described the first diode respectively, the second end of described the second resistance is connected with the discharge end of described emitter-coupled trigger, the second end of described the first resistance is connected with the power input of described emitter-coupled trigger, the earth terminal ground connection of described emitter-coupled trigger, the output terminal of described emitter-coupled trigger is connected with the input end of described delay circuit, described executive circuit comprises the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the first relay, the second relay, transistor seconds, the 3rd transistor, the 4th transistor, the 3rd diode, the 4th diode, pilot lamp and the second phase inverter, the first end of described the 7th resistance is connected with the input end of described the second phase inverter with the output terminal of described delay circuit respectively, the second end of described the 7th resistance is connected with the base stage of described transistor seconds, the collector of described transistor seconds is connected with the positive pole of described the 3rd diode with the first end of described the first relay respectively, the second end of described the first relay is connected with the negative pole of described the 3rd diode, the grounded emitter of described transistor seconds, the output terminal of described the second phase inverter is connected with the first end of described the 8th resistance, the second end of described the 8th resistance is connected with described the 3rd transistorized base stage, described the 3rd transistorized collector respectively with described the 4th transistorized collector, the first end of the second relay, the positive pole of the 4th diode connects, the second end of described the second relay is connected with the first end of described the tenth resistance with the first end of described pilot lamp respectively, the second end of described pilot lamp is connected with the negative pole of described the 4th diode with the second end of described the tenth resistance, described the 3rd transistorized emitter is connected with described the 4th transistorized base stage with the first end of described the 9th resistance respectively, ground connection after the second end of described the 9th resistance is connected with described the 4th transistorized emitter.
Further, described delay circuit comprises the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the second electric capacity, the 3rd electric capacity, the second diode, the first transistor and the first phase inverter, the first input end of the first end of described the 3rd resistance and described the first phase inverter is all connected with the output terminal of described emitter-coupled trigger, the second end of described the 3rd resistance is connected with the first end of described the 4th resistance, the second end of described the 4th resistance respectively with the first end of described the 5th resistance, the first end of the second electric capacity is connected with the negative pole of described the second diode, the second end of described the 5th resistance respectively with the second end of described the second electric capacity, ground connection after the 3rd first end of electric capacity and the emitter of described the first transistor are connected, the positive pole of described the second diode is connected with the first end of described the 6th resistance with the second end of described the 3rd electric capacity respectively, the second end of described the 6th resistance is connected with the base stage of described the first transistor, the collector of described the first transistor is connected with the second input end of described the first phase inverter.
The invention has the beneficial effects as follows:
The present invention adopts technique scheme, has that error in dipping is little, an advantage such as production high-level efficiency, reliability are strong.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of automatic feed meausring apparatus of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail:
As shown in Figure 1, automatic feed meausring apparatus of the present invention, comprise photoelectric switching circuit, delay circuit and executive circuit, the signal output part of described photoelectric switching circuit is connected with the signal input part of described delay circuit, the signal output part of described delay circuit is connected with the signal input part of described executive circuit, described photoelectric switching circuit comprises the first capacitor C 1, the first resistance R 1, the second resistance R 2, the first diode VD1 and emitter-coupled trigger IC, the first end of described the first capacitor C 1 respectively with the first end of described the first resistance R 1, the negative pole of the first diode VD1 is connected with the input end of described emitter-coupled trigger IC, two ends of described the first capacitor C 1 are connected with the first end of described the second resistance R 2 with the positive pole of described the first diode VD1 respectively, the second end of described the second resistance R 2 is connected with the discharge end of described emitter-coupled trigger IC, the second end of described the first resistance R 1 is connected with the power input of described emitter-coupled trigger IC, the earth terminal ground connection of described emitter-coupled trigger IC, the output terminal of described emitter-coupled trigger IC is connected with the input end of described delay circuit, described executive circuit comprises the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, the tenth resistance R 10, the first relay K 1, the second relay K 2, transistor seconds VT2, the 3rd transistor VT3, the 4th transistor VT4, the 3rd diode VD3, the 4th diode VD4, pilot lamp H and the second phase inverter M2, the first end of described the 7th resistance R 7 is connected with the input end of described the second phase inverter M2 with the output terminal of described delay circuit respectively, the second end of described the 7th resistance R 7 is connected with the base stage of described transistor seconds VT2, the collector of described transistor seconds VT2 is connected with the positive pole of described the 3rd diode VD3 with the first end of described the first relay K 1 respectively, the second end of described the first relay K 1 is connected with the negative pole of described the 3rd diode VD3, the grounded emitter of described transistor seconds VT2, the output terminal of described the second phase inverter M2 is connected with the first end of described the 8th resistance R 8, the second end of described the 8th resistance R 8 is connected with the base stage of described the 3rd transistor VT3, the collector of described the 3rd transistor VT3 respectively with the collector of described the 4th transistor VT4, the first end of the second relay K 2, the positive pole of the 4th diode VD4 connects, the second end of described the second relay K 2 is connected with the first end of described the tenth resistance R 10 with the first end of described pilot lamp H respectively, the second end of described pilot lamp H is connected with the negative pole of described the 4th diode VD4 with the second end of described the tenth resistance R 10, the emitter of described the 3rd transistor VT3 is connected with the base stage of described the 4th transistor VT4 with the first end of described the 9th resistance R 9 respectively, ground connection after the second end of described the 9th resistance R 9 is connected with the emitter of described the 4th transistor VT4.
Described delay circuit comprises the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the second capacitor C 2, the 3rd capacitor C 3, the second diode VD2, the first transistor VT1 and the first phase inverter M1, the first input end of the first end of described the 3rd resistance R 3 and described the first phase inverter M1 is all connected with the output terminal of described emitter-coupled trigger IC, the second end of described the 3rd resistance R 3 is connected with the first end of described the 4th resistance R 4, the second end of described the 4th resistance R 4 respectively with the first end of described the 5th resistance R 5, the first end of the second capacitor C 2 is connected with the negative pole of described the second diode VD2, the second end of described the 5th resistance R 5 respectively with the second end of described the second capacitor C 2, ground connection after the emitter of the first end of the 3rd capacitor C 3 and described the first transistor VT1 is connected, the positive pole of described the second diode VD2 is connected with the first end of described the 6th resistance R 6 with the second end of described the 3rd capacitor C 3 respectively, the second end of described the 6th resistance R 6 is connected with the base stage of described the first transistor VT1, the collector of described the first transistor VT1 is connected with the second input end of described the first phase inverter M1.
Claims (2)
1. an automatic feed meausring apparatus, it is characterized in that: comprise photoelectric switching circuit, delay circuit and executive circuit, the signal output part of described photoelectric switching circuit is connected with the signal input part of described delay circuit, the signal output part of described delay circuit is connected with the signal input part of described executive circuit, described photoelectric switching circuit comprises the first electric capacity, the first resistance, the second resistance, the first diode and emitter-coupled trigger, the first end of described the first electric capacity respectively with the first end of described the first resistance, the negative pole of the first diode is connected with the input end of described emitter-coupled trigger, two ends of described the first electric capacity are connected with the first end of described the second resistance with the positive pole of described the first diode respectively, the second end of described the second resistance is connected with the discharge end of described emitter-coupled trigger, the second end of described the first resistance is connected with the power input of described emitter-coupled trigger, the earth terminal ground connection of described emitter-coupled trigger, the output terminal of described emitter-coupled trigger is connected with the input end of described delay circuit, described executive circuit comprises the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the first relay, the second relay, transistor seconds, the 3rd transistor, the 4th transistor, the 3rd diode, the 4th diode, pilot lamp and the second phase inverter, the first end of described the 7th resistance is connected with the input end of described the second phase inverter with the output terminal of described delay circuit respectively, the second end of described the 7th resistance is connected with the base stage of described transistor seconds, the collector of described transistor seconds is connected with the positive pole of described the 3rd diode with the first end of described the first relay respectively, the second end of described the first relay is connected with the negative pole of described the 3rd diode, the grounded emitter of described transistor seconds, the output terminal of described the second phase inverter is connected with the first end of described the 8th resistance, the second end of described the 8th resistance is connected with described the 3rd transistorized base stage, described the 3rd transistorized collector respectively with described the 4th transistorized collector, the first end of the second relay, the positive pole of the 4th diode connects, the second end of described the second relay is connected with the first end of described the tenth resistance with the first end of described pilot lamp respectively, the second end of described pilot lamp is connected with the negative pole of described the 4th diode with the second end of described the tenth resistance respectively, described the 3rd transistorized emitter is connected with described the 4th transistorized base stage with the first end of described the 9th resistance respectively, ground connection after the second end of described the 9th resistance is connected with described the 4th transistorized emitter.
2. automatic feed meausring apparatus according to claim 1, it is characterized in that: described delay circuit comprises the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the second electric capacity, the 3rd electric capacity, the second diode, the first transistor and the first phase inverter, the first input end of the first end of described the 3rd resistance and described the first phase inverter is all connected with the output terminal of described emitter-coupled trigger, the second end of described the 3rd resistance is connected with the first end of described the 4th resistance, the second end of described the 4th resistance respectively with the first end of described the 5th resistance, the first end of the second electric capacity is connected with the negative pole of described the second diode, the second end of described the 5th resistance respectively with the second end of described the second electric capacity, ground connection after the 3rd first end of electric capacity and the emitter of described the first transistor are connected, the positive pole of described the second diode is connected with the first end of described the 6th resistance with the second end of described the 3rd electric capacity respectively, the second end of described the 6th resistance is connected with the base stage of described the first transistor, the collector of described the first transistor is connected with the second input end of described the first phase inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310090432.1A CN104061991A (en) | 2013-03-21 | 2013-03-21 | Automatic feedstock weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310090432.1A CN104061991A (en) | 2013-03-21 | 2013-03-21 | Automatic feedstock weighing device |
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| CN104061991A true CN104061991A (en) | 2014-09-24 |
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| CN201310090432.1A Pending CN104061991A (en) | 2013-03-21 | 2013-03-21 | Automatic feedstock weighing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864951A (en) * | 2015-04-30 | 2015-08-26 | 新疆农业科学院农业质量标准与检测技术研究所 | Quantitative weighing device |
| CN108189243A (en) * | 2018-02-11 | 2018-06-22 | 成都兴联宜科技有限公司 | A kind of batching electronic scale for concrete stirring |
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| US5756938A (en) * | 1990-01-25 | 1998-05-26 | Ishida Scales Mfg. Co., Ltd. | Weight measuring apparatus |
| CN2318622Y (en) * | 1998-02-13 | 1999-05-12 | 张会生 | Digital modulation measuring apparatus for packer |
| CN2793706Y (en) * | 2005-04-22 | 2006-07-05 | 河北科技大学 | Electronic balance with high-precision batching |
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| CN201731932U (en) * | 2010-07-14 | 2011-02-02 | 沈康健 | Particle and powder ingredient weighing device |
| CN203163860U (en) * | 2013-03-21 | 2013-08-28 | 成都瑞途电子有限公司 | Automatic feed weighing apparatus |
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2013
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| US5756938A (en) * | 1990-01-25 | 1998-05-26 | Ishida Scales Mfg. Co., Ltd. | Weight measuring apparatus |
| CN2318622Y (en) * | 1998-02-13 | 1999-05-12 | 张会生 | Digital modulation measuring apparatus for packer |
| CN2793706Y (en) * | 2005-04-22 | 2006-07-05 | 河北科技大学 | Electronic balance with high-precision batching |
| CN101493676A (en) * | 2008-01-25 | 2009-07-29 | 宝山钢铁股份有限公司 | Control method and control device for bucket wheel material fetching machine with material measure and calculate |
| CN101476930A (en) * | 2009-01-16 | 2009-07-08 | 上海第二工业大学 | Special batching electronic scale for iron alloy electric furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864951A (en) * | 2015-04-30 | 2015-08-26 | 新疆农业科学院农业质量标准与检测技术研究所 | Quantitative weighing device |
| CN108189243A (en) * | 2018-02-11 | 2018-06-22 | 成都兴联宜科技有限公司 | A kind of batching electronic scale for concrete stirring |
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Application publication date: 20140924 |