CN103063283A - Electronic scale - Google Patents
Electronic scale Download PDFInfo
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- CN103063283A CN103063283A CN2013100000825A CN201310000082A CN103063283A CN 103063283 A CN103063283 A CN 103063283A CN 2013100000825 A CN2013100000825 A CN 2013100000825A CN 201310000082 A CN201310000082 A CN 201310000082A CN 103063283 A CN103063283 A CN 103063283A
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- electronic scale
- pin
- keyswitch
- dot matrix
- resistance
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Abstract
The invention discloses an electronic scale which comprises weighting sensors, an operating enlarging chip, a 3.6V battery, a key switch and a resistance. The weighting sensors are respectively connected with the operating enlarging chip, the battery and the resistance. The electronic scale further comprises singlechip microcomputers with a module converter and a light emitting diode (LED) dot matrix circuit of a 16*15 biradical color patch. The singlechip microcomputers are respectively connected with the LED dot matrix circuit, the battery, the operating enlarging chip, the key switch and the resistance. Obtained simulating signals by the sensors are changed to digital signals by the singlechip microcomputers. The LED dot matrix circuit of 16*15 biradical color patch is controlled and weighting values are displayed. Display effects of the weighting values are plentiful and the display effects can be compiled, revised, stored and reset. The electronic scale is simple in structure, high in precision, low in price, good in visual effect and capable of enlarging an application range.
Description
Technical field
The present invention relates to a kind of electronic scale, particularly relate to a kind of electronic scale of LOAD CELLS and 16x15 dual base color LED dot matrix circuit.
Background technology
The electronic scale of prior art, the value of weighing are to show with LCDs or LED charactron, and its display effect is dull, can not show and enrich dazzling effect, and display effect can not edit, revise.
Summary of the invention
The object of the invention is to, a kind of electronic scale is provided, this electronic scale obtains the simulating signal of weighing by LOAD CELLS, and it weighs simulating signal after operational amplifier amplifies, and the analog to digital converter by single-chip microcomputer inside changes it value of weighing of digital signal into.Described single-chip microcomputer is controlled its value of weighing of 16x15 dual base color paster LED dot matrix Circuit display with the value of weighing of digital signal, the display effect of this value of weighing is enriched dazzling, and display effect can also be edited, revises, stores, be reset, and this electronic scale is simple in structure, precision is high, price is low, good visual effect.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of electronic scale, comprise, LOAD CELLS, operation amplifier chip, the battery of 3.6V, keyswitch, resistance, described LOAD CELLS is connected with described operation amplifier chip, described battery, resistance respectively, wherein, described electronic scale also comprises, with single-chip microcomputer, the 16x15 dual base color paster LED dot matrix circuit of analog to digital converter, described single-chip microcomputer is connected with described LED dot matrix circuit, described battery, described operation amplifier chip, keyswitch, resistance respectively; The analog-signal transitions that described single-chip microcomputer is used for described sensor is obtained is digital signal, controls described its value of weighing of LED dot matrix Circuit display.
Preferably, the model of described operation amplifier chip is LM358, and this operation amplifier chip is used for amplifying the simulating signal that described LOAD CELLS is obtained.
Preferably, described keyswitch is 4, and an end pin of described keyswitch is connected with described single-chip microcomputer, and the other end pin of described keyswitch is connected with described battery jointly, and described keyswitch is used for operating described electronic scale.
Beneficial effect of the present invention:
A kind of electronic scale, this electronic scale obtains the simulating signal of weighing by LOAD CELLS, and it weighs simulating signal after operational amplifier amplifies, and the analog to digital converter by single-chip microcomputer inside changes it value of weighing of digital signal into.Described single-chip microcomputer is controlled its value of weighing of 16x15 dual base color paster LED dot matrix Circuit display with the value of weighing of digital signal, the display effect of this value of weighing is enriched dazzling, and display effect can also be edited, revises, stores, be reset, and this electronic scale is simple in structure, precision is high, price is low, good visual effect, can enlarge range of application.
Description of drawings
Fig. 1 is the circuit theory schematic diagram of a kind of electronic scale of the present invention.
Embodiment
In order to further specify principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail, however described embodiment can not be used for limiting scope of patent protection of the present invention only for furnishing an explanation and the usefulness of explaining.
A kind of electronic scale as shown in Figure 1, comprise, LOAD CELLS 4, model is the operation amplifier chip 5 of LM358, voltage is the battery 3 of 3.6V, keyswitch K1, keyswitch K2, keyswitch K3, keyswitch K4, resistance R 1, variable resistor R2, resistance R 3, resistance R 4, resistance R 5, resistance R 6, described LOAD CELLS 4 respectively with described operation amplifier chip 5, described battery 3, resistance R 2 connects, wherein, described electronic scale also comprises, single-chip microcomputer 1 with analog to digital converter, the red green dual base color paster LED dot matrix circuit 2 of 16x15, described single-chip microcomputer 1 respectively with described LED dot matrix circuit 2, described battery 3, described operation amplifier chip 5, keyswitch K1, keyswitch K2, keyswitch K3, keyswitch K4, resistance R 4, resistance R 6 connects; The analog-signal transitions of weighing that described single-chip microcomputer 1 is used for described LOAD CELLS 4 is obtained is the digital signal of weighing, and utilizes the described LED dot matrix of this Digital Signals of weighing circuit 2 to show its value of weighing.
The red green dual base color paster LED dot matrix circuit 2 of described 16x15, expression is the red green dual base color paster LED dot matrix that 16 row are taken advantage of 15 row, this LED dot matrix has 16x15x2=480 LED, that is to say in the red green dual base color paster LED dot matrix circuit 2 of described 16,x15 240 red LED and 240 green LED are arranged.
The 56th pin to the 49 pins of described single-chip microcomputer 1 drive tie point X1 to X8 with the row of described LED dot matrix circuit 2 and are connected, and the 25th pin to the 32 pins of described single-chip microcomputer 1 drive tie point X9 to X16 with the row of described LED dot matrix circuit 2 and are connected; The 7th pin to the 1 pin of described single-chip microcomputer 1 drives tie point Y1 to Y7 with the red LED of described LED dot matrix circuit 2 row and is connected, the 64th pin to the 57 pins of described single-chip microcomputer 1 drive tie point Y8 to Y15 with the red LED of described LED dot matrix circuit 2 row and are connected, and the 22nd pin to the 8 pins of described single-chip microcomputer 1 drive tie point yy1 to yy15 with the green LED of described LED dot matrix circuit 2 row and are connected.
The 33rd pin of described single-chip microcomputer 1 is connected with the positive pole of described battery 3, and the 34th pin of described single-chip microcomputer 1 is connected with the negative pole of described battery 3; The 23rd pin of described single-chip microcomputer 1 is connected with an end pin of the 1st pin of described operation amplifier chip 5, resistance R 4, and the 42nd pin of described single-chip microcomputer 1 is connected with an end pin of the 7th pin of described operation amplifier chip 5, resistance R 6; The other end pin of this resistance R 6 is connected with the 6th pin of described operation amplifier chip 5, the 6th pin of described operation amplifier chip 5 also is connected with the 2nd pin of described operation amplifier chip 5 by resistance R 5, and the 2nd pin of this operation amplifier chip 5 also is connected with the 1st pin of this operation amplifier chip 5 by resistance R 4; The 23rd pin of described single-chip microcomputer 1, the 42nd pin can be under the supports of software, be arranged to the analog to digital conversion input pin, that is to say, the simulating signal of weighing on the 23rd pin of described single-chip microcomputer 1, the 42nd pin can change it into digital signal by the analog to digital converter of single-chip microcomputer 1 inside.
The 45th pin of described single-chip microcomputer 1, the 46th pin, the 47th pin, the 48th pin respectively with keyswitch K1, K2, K3, the end pin of K4 connects, keyswitch K1, K2, K3, the other end pin of K4 is connected with the negative pole of described battery 3 jointly, the negative pole of described battery 3 also respectively with the pin 4D of described LOAD CELLS 4, the 4th pin of described operation amplifier chip 5, one end pin of resistance R 3 connects, the other end pin of this resistance R 3 by variable resistor R2 respectively with the pin 4C of described LOAD CELLS 4, one end pin of resistance R 1 connects, the other end pin of this resistance R 1 is connected with the positive pole of described battery 3, and the pin 4C of described LOAD CELLS 4 also is connected with the 5th pin of described operation amplifier chip 5; The positive pole of described battery 3 also is connected with the pin 4A of described LOAD CELLS 4, the 8th pin of described operation amplifier chip 5 respectively, and the 3rd pin of this operation amplifier chip 5 is connected with the pin 4B of described LOAD CELLS 4.
Preferably, the model of described operation amplifier chip 5 is LM358, and this operation amplifier chip 5 is used for amplifying the simulating signal that described LOAD CELLS 4 is obtained.
Preferably, described keyswitch is 4, they are keyswitch K1, K2, K3, K4, the end pin of described keyswitch K1, K2, K3, K4 is connected with the 45th pin, the 46th pin, the 47th pin, the 48th pin of described single-chip microcomputer 1 respectively, the other end pin of described keyswitch K1, K2, K3, K4 is connected with the negative pole of described battery 3 jointly, and described keyswitch K1, K2, K3, K4 are used for operating described electronic scale.
Described embodiment advantage and beneficial effect are, the electronic scale of this embodiment, obtain the simulating signal of weighing by LOAD CELLS, its simulating signal of weighing is after the operation amplifier chip of LM358 amplifies through model, and the analog to digital converter by single-chip microcomputer inside changes it value of weighing of digital signal into.Described single-chip microcomputer utilizes red green its value of weighing of dual base color paster LED dot matrix Circuit display of the value of weighing control 16x15 of digital signal, the display effect of this value of weighing is enriched dazzling, and display effect can also be edited, revises, stores, be reset, and this electronic scale is simple in structure, precision is high, price is low, good visual effect, can enlarge range of application.
The just embodiment of this invention described above; various not illustrating limited the essence of an invention Composition of contents; the person of an ordinary skill in the technical field after having read instructions can to before described embodiment make an amendment or be out of shape, all should be considered as belonging to protection scope of the present invention.
Claims (3)
1. electronic scale, comprise, LOAD CELLS, operation amplifier chip, the battery of 3.6V, keyswitch, resistance, described LOAD CELLS is connected with described operation amplifier chip, described battery, resistance respectively, it is characterized in that: described electronic scale also comprises, with single-chip microcomputer, the 16x15 dual base color paster LED dot matrix circuit of analog to digital converter, described single-chip microcomputer is connected with described LED dot matrix circuit, described battery, described operation amplifier chip, keyswitch, resistance respectively; The analog-signal transitions that described single-chip microcomputer is used for described sensor is obtained is digital signal, controls described its value of weighing of LED dot matrix Circuit display.
2. a kind of electronic scale according to claim 1, it is characterized in that: the model of described operation amplifier chip is LM358, this operation amplifier chip is used for amplifying the simulating signal that described LOAD CELLS is obtained.
3. a kind of electronic scale according to claim 1 and 2, it is characterized in that: described keyswitch is 4, one end pin of described keyswitch is connected with described single-chip microcomputer, and the other end pin of described keyswitch is connected with described battery jointly, and described keyswitch is used for operating described electronic scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100000825A CN103063283A (en) | 2013-01-02 | 2013-01-02 | Electronic scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100000825A CN103063283A (en) | 2013-01-02 | 2013-01-02 | Electronic scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103063283A true CN103063283A (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100000825A Pending CN103063283A (en) | 2013-01-02 | 2013-01-02 | Electronic scale |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167185A (en) * | 2014-09-11 | 2014-11-26 | 管存忠 | LED dot-matrix animation editor |
| US9766116B2 (en) | 2014-10-03 | 2017-09-19 | Samuel Ethan Milne | Pediatric board |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718507A (en) * | 1986-09-04 | 1988-01-12 | Clyde W. Howlett | Electronic scale and length measurement apparatus including a digital readout |
| US20020134589A1 (en) * | 2000-01-13 | 2002-09-26 | Montagnino James G. | Programmable digital scale |
| CN201199173Y (en) * | 2008-04-30 | 2009-02-25 | 可瑞尔科技(扬州)有限公司 | Electronic scales with lighting effect |
| CN102446478A (en) * | 2012-02-15 | 2012-05-09 | 管存忠 | Single-board integrated LED (light-emitting diode) dot-matrix module |
| CN102798454A (en) * | 2012-08-14 | 2012-11-28 | 昆山大百科实验室设备工程有限公司 | Miniature electronic balance |
| CN202994283U (en) * | 2013-01-02 | 2013-06-12 | 管存忠 | Electronic scale |
-
2013
- 2013-01-02 CN CN2013100000825A patent/CN103063283A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718507A (en) * | 1986-09-04 | 1988-01-12 | Clyde W. Howlett | Electronic scale and length measurement apparatus including a digital readout |
| US20020134589A1 (en) * | 2000-01-13 | 2002-09-26 | Montagnino James G. | Programmable digital scale |
| CN201199173Y (en) * | 2008-04-30 | 2009-02-25 | 可瑞尔科技(扬州)有限公司 | Electronic scales with lighting effect |
| CN102446478A (en) * | 2012-02-15 | 2012-05-09 | 管存忠 | Single-board integrated LED (light-emitting diode) dot-matrix module |
| CN102798454A (en) * | 2012-08-14 | 2012-11-28 | 昆山大百科实验室设备工程有限公司 | Miniature electronic balance |
| CN202994283U (en) * | 2013-01-02 | 2013-06-12 | 管存忠 | Electronic scale |
Non-Patent Citations (1)
| Title |
|---|
| 杨昆峰: "自制小巧的智能电子称", 《电子制作》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167185A (en) * | 2014-09-11 | 2014-11-26 | 管存忠 | LED dot-matrix animation editor |
| US9766116B2 (en) | 2014-10-03 | 2017-09-19 | Samuel Ethan Milne | Pediatric board |
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Application publication date: 20130424 |