CN203163846U - High-precision automatic weighing device - Google Patents
High-precision automatic weighing device Download PDFInfo
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- CN203163846U CN203163846U CN 201320129171 CN201320129171U CN203163846U CN 203163846 U CN203163846 U CN 203163846U CN 201320129171 CN201320129171 CN 201320129171 CN 201320129171 U CN201320129171 U CN 201320129171U CN 203163846 U CN203163846 U CN 203163846U
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Abstract
The utility model discloses a high-precision automatic weighing device, which comprises a weighing sensor, an A/D converter, a single-chip microcomputer, a zero cross detection circuit, a relay control circuit, a drive circuit, a gate motor, an electromagnetic vibrator, an LCD (liquid crystal display) and a button. A signal output end of the weighing sensor is connected with a signal input end of the A/D converter, a signal output end of the A/D converter is connected with a signal input end of the single-chip microcomputer, a signal output end of the single-chip microcomputer is connected with a signal input end of the zero cross detection circuit, the button is connected with the signal input end of the single-chip microcomputer, and the signal output end of the single-chip microcomputer is connected with a signal input end of the LCD. The high-precision automatic weighing device has the advantages including convenient and easy usage, automatic weighing and high measuring precision, and overcomes the disadvantages of traditional mechanical weighing equipment such as low precision, complex operation and need of manual feeding.
Description
Technical field
The utility model relates to a kind of weighing device, particularly relates to a kind of High Precision Automatic weighing device.
Background technology
Along with control technology, electronic technology and fast development of computer technology, gradually becoming strong of the raising of various control device reliabilities and function is perfect, might carry out automatic improving to the weighing control system of original manual control and record, reach the purpose of raising labour productivity with weighing precision and reduction personnel labor intensity.At present, the belted electronic balances that adopt carry out continuous measurement more in weighing system, and belted electronic balance belongs to dynamic measurement, and its precision must be subjected to certain limitation, and in order to save cost, it is fair to realize, presses for a kind of more high-precision metering outfit.
The utility model content
The purpose of this utility model is the High Precision Automatic weighing device that a kind of weighing precision height to be provided in order addressing the above problem, to carry out consecutive weighings.
The utility model is achieved through the following technical solutions:
A kind of High Precision Automatic weighing device, comprise LOAD CELLS, A/D converter, single-chip microcomputer, zero cross detection circuit, control relay circuit, driving circuit, the gate motor, electromagnetic vibrator, LCD display and button, the signal output part of described LOAD CELLS is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer is connected with the signal input part of described zero cross detection circuit, described button is connected with the signal input part of described single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with the signal input part of described LCD display.
Further, described zero cross detection circuit comprises first diode, second diode, first resistance, second resistance, the 3rd resistance, the 4th resistance, first electric capacity, second electric capacity, amplifier, coupling mechanism, first phase inverter and second phase inverter, first end of described first resistance all is connected with power supply with first end of described first electric capacity, second end of described first resistance is connected with first end of described second electric capacity and first end of described second resistance respectively, second end of described second resistance respectively with the negative pole of described first diode, the positive pole of second diode is connected with the electrode input end of described amplifier, the negative input of described amplifier respectively with the negative pole of described second diode, the positive pole of first diode, second end of second electric capacity is connected with second end of described first electric capacity, the output terminal of described amplifier is connected with first end of described coupling mechanism, second end of described coupling mechanism is connected with first end of described the 3rd resistance, second end of described the 3rd resistance is connected back ground connection with first end of described the 4th resistance, second end of described the 4th resistance is connected with the 3rd end of described coupling mechanism and the input end of described first phase inverter respectively, the 4th end ground connection of described coupling mechanism, the output terminal of described first phase inverter is connected with the input end of described second phase inverter.
Further, described High Precision Automatic weighing device also comprises sound light alarming circuit.
The beneficial effects of the utility model are:
The vibration connecting gear that the utility model adopts high precision 24 bits serial A/D converter, cooperates electromagnetic vibrator to constitute, and LCD MODULE have been realized easy easy-to-use, automatic ration, measuring accuracy advantages of higher.Shortcomings such as traditional mechanical weighing-appliance precision is low, complicated operation, the artificial feeding of need have been overcome simultaneously.
Description of drawings
Fig. 1 is the structured flowchart of the High Precision Automatic weighing device of the utility model;
Fig. 2 is the circuit diagram of zero cross detection circuit in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments:
As shown in Figure 1, the High Precision Automatic weighing device of the utility model, comprise LOAD CELLS, A/D converter, single-chip microcomputer, zero cross detection circuit, control relay circuit, driving circuit, the gate motor, electromagnetic vibrator, LCD display and button, the signal output part of described LOAD CELLS is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer is connected with the signal input part of described zero cross detection circuit, described button is connected with the signal input part of described single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with the signal input part of described LCD display.Described High Precision Automatic weighing device also comprises sound light alarming circuit, and the signal input part of described sound light alarming circuit is connected with the signal output part of described single-chip microcomputer.
LOAD CELLS and A/D converter, the real time data of being responsible for gathering weight of material; Control relay circuit and electromagnetic vibrator are for the mobile feeding of material provides power; Zero-crossing detection circuit is responsible for detecting the zero crossing of alternating current, for the switching of control relay circuit provides same beans-and bullets shooter; LCD liquid crystal display and button can user friendly operation and observations; Gate Electric Machine Control gate is used for being released in the material that material trough reaches setting weight.
As shown in Figure 2, described zero cross detection circuit comprises the first diode VD1, the second diode VD2, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, first capacitor C 1, second capacitor C 2, amplifier A1, coupling mechanism OC, the first phase inverter TTL1 and the second phase inverter TTL2, first end of described first resistance R 1 all is connected with power supply with first end of described first capacitor C 1, second end of described first resistance R 1 is connected with first end of described second capacitor C 2 and first end of described second resistance R 2 respectively, second end of described second resistance R 2 respectively with the negative pole of the described first diode VD1, the positive pole of the second diode VD2 is connected with the electrode input end of described amplifier A, the negative input of described amplifier A respectively with the negative pole of the described second diode VD2, the positive pole of the first diode VD1, second end of second capacitor C 2 is connected with second end of described first capacitor C 1, the output terminal of described amplifier A is connected with first end of described coupling mechanism OC, second end of described coupling mechanism OC is connected with first end of described the 3rd resistance R 3, second end of described the 3rd resistance R 3 is connected back ground connection with first end of described the 4th resistance R 4, second end of described the 4th resistance R 4 is connected with the 3rd end of described coupling mechanism OC and the input end of the described first phase inverter TTL1 respectively, the 4th end ground connection of described coupling mechanism OC, the output terminal of the described first phase inverter TTL1 is connected with the input end of the described second phase inverter TTL2.
Claims (3)
1. High Precision Automatic weighing device, it is characterized in that: comprise LOAD CELLS, A/D converter, single-chip microcomputer, zero cross detection circuit, control relay circuit, driving circuit, the gate motor, electromagnetic vibrator, LCD display and button, the signal output part of described LOAD CELLS is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer is connected with the signal input part of described zero cross detection circuit, described button is connected with the signal input part of described single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with the signal input part of described LCD display.
2. High Precision Automatic weighing device according to claim 1, it is characterized in that: described zero cross detection circuit comprises first diode, second diode, first resistance, second resistance, the 3rd resistance, the 4th resistance, first electric capacity, second electric capacity, amplifier, coupling mechanism, first phase inverter and second phase inverter, first end of described first resistance all is connected with power supply with first end of described first electric capacity, second end of described first resistance is connected with first end of described second electric capacity and first end of described second resistance respectively, second end of described second resistance respectively with the negative pole of described first diode, the positive pole of second diode is connected with the electrode input end of described amplifier, the negative input of described amplifier respectively with the negative pole of described second diode, the positive pole of first diode, second end of second electric capacity is connected with second end of described first electric capacity, the output terminal of described amplifier is connected with first end of described coupling mechanism, second end of described coupling mechanism is connected with first end of described the 3rd resistance, second end of described the 3rd resistance is connected back ground connection with first end of described the 4th resistance, second end of described the 4th resistance is connected with the 3rd end of described coupling mechanism and the input end of described first phase inverter respectively, the 4th end ground connection of described coupling mechanism, the output terminal of described first phase inverter is connected with the input end of described second phase inverter.
3. High Precision Automatic weighing device according to claim 1, it is characterized in that: described High Precision Automatic weighing device also comprises sound light alarming circuit, the signal input part of described sound light alarming circuit is connected with the signal output part of described single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320129171 CN203163846U (en) | 2013-03-21 | 2013-03-21 | High-precision automatic weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320129171 CN203163846U (en) | 2013-03-21 | 2013-03-21 | High-precision automatic weighing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163846U true CN203163846U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320129171 Expired - Fee Related CN203163846U (en) | 2013-03-21 | 2013-03-21 | High-precision automatic weighing device |
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| CN (1) | CN203163846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091950A (en) * | 2015-09-22 | 2015-11-25 | 巫占海 | Integrated detector for temperature and object position |
| CN105486392A (en) * | 2016-01-20 | 2016-04-13 | 常熟理工学院 | Small electronic weighing system based on single-chip microcomputer |
-
2013
- 2013-03-21 CN CN 201320129171 patent/CN203163846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091950A (en) * | 2015-09-22 | 2015-11-25 | 巫占海 | Integrated detector for temperature and object position |
| CN105486392A (en) * | 2016-01-20 | 2016-04-13 | 常熟理工学院 | Small electronic weighing system based on single-chip microcomputer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140321 |