CN102582323A - Intelligent ruler - Google Patents
Intelligent ruler Download PDFInfo
- Publication number
- CN102582323A CN102582323A CN201210070402XA CN201210070402A CN102582323A CN 102582323 A CN102582323 A CN 102582323A CN 201210070402X A CN201210070402X A CN 201210070402XA CN 201210070402 A CN201210070402 A CN 201210070402A CN 102582323 A CN102582323 A CN 102582323A
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- Prior art keywords
- ruler
- intelligent
- chip microcomputer
- conductive layer
- contact
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Abstract
The invention relates to the technical field of measurement, in particular to an intelligent ruler. The intelligent ruler comprises a rectilinear scale and is characterized in that a resistor string is arranged on the rectilinear scale; each resistor pin in the resistor string extends outwards to form a contact; the contacts are sequentially distributed on a scale port of the rectilinear scale; a conductive layer is also arranged on the scale port, so that when a conductive pen point draws at the scale port, the contacts are conducted with the conductive layer; the conductive layer is connected with an AD (Analog to Digital) conversion module; the AD conversion module is connected with a singlechip; and the singlechip is also connected with a key module and a display module. According to the invention, a conventional ruler is subverted and a user can know the reading number only by drawing without visual observation.
Description
Technical field
The present invention relates to field of measuring technique, particularly a kind of intelligent ruler.
Background technology
Tradition ruler various shapes tape measure is arranged, ruler is arranged, also have folding chi, but those rulers all will be carried out artificial reading when measuring, so not only exist the range estimation error, and when measuring the yardstick of eminence, exists great inconvenience.Along with present automation, digitlization, the integrated development trend that becomes electronic product.How to realize that a kind of ruler that reads length automatically is the demand in market.
Summary of the invention
The purpose of this invention is to provide a kind of intelligent ruler, do not need range estimation, promptly knew reading as long as draw with conductive pen point.
The present invention adopts following scheme to realize: a kind of intelligent ruler; Comprise a ruler; It is characterized in that: said ruler is provided with a resistance string, the contact that stretches out of each the resistance pin in the said resistance string, and described contact in turn is distributed on the chi mouth of said ruler; On the described chi mouth conductive layer is set also, in order to a conductive pen point when the setting-out of chi mouth, the said contact of conducting and this conductive layer; Described conductive layer is connected with an AD modular converter, and described AD modular converter is connected with a single-chip microcomputer, and described single-chip microcomputer also is connected with key-press module and display module.
In an embodiment of the present invention, described display module comprises latch, decoder and LED pipe composition, and described single-chip microcomputer is connected with described LED pipe through latch, decoder successively.
In an embodiment of the present invention, described single-chip microcomputer, AD modular converter, key-press module and display module all are arranged on the surface of said ruler.
In an embodiment of the present invention, the spacing between the said contact is 1 millimeter, and described resistance string is composed in series by 200 substitutional resistances.
In an embodiment of the present invention, described intelligent ruler adopts powered battery.
In an embodiment of the present invention, the device of described single-chip microcomputer, AD modular converter, key-press module and display module employing all uses surface mount elements.
The present invention adopts the electric resistance partial pressure principle, just can read the numerical value of measurement through gathering the corresponding resistance in chi head contact, and it has overturned traditional ruler; Need not estimate, need not loaded down with trivial details record start point, endpoint data, as long as picture is crossed and just known reading; Simple in structure, have certain practical value.
Description of drawings
Fig. 1 is a circuit theory sketch map of the present invention.
Fig. 2 is the ruler structural representation of one embodiment of the invention.
Fig. 3 is embodiment of the invention chi mouth contact and conductive layer distribution sketch map.
Among Fig. 2,21 is button; 22 is single-chip microcomputer and A/D convertor circuit; 23 is the LED charactron; 24 is supplying cell; 25 is latch; 26 is decoder.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
See also Fig. 1, Fig. 2 and shown in Figure 3; Present embodiment provides a kind of intelligent ruler, comprises a ruler, and said ruler is provided with a resistance string; Each resistance 3 pin in said resistance string contact 2 that stretches out, described contact 2 is distributed on the chi mouth of said ruler successively; One conductive layer 1 also is set on the described chi mouth, in order to a conductive pen point 4 when the setting-out of chi mouth, the said contact 2 of conducting and this conductive layer 1; Described conductive layer 1 is connected with an AD modular converter 6, and described AD modular converter 6 is connected with a single-chip microcomputer 5, and described single-chip microcomputer 5 also is connected with key-press module 7 and display module 8.
The present invention adopts the electric resistance partial pressure principle; During use, the user is as long as streak conductive pen point the pairing magnitude of voltage in first contact of this conductive pen point conducting of AD module converts and last contact on the chi mouth; Give single-chip microcomputer then, show after handling by single-chip microcomputer.
For the measurement data that shows directly perceived, in the present embodiment, we adopt the LED charactron to show, wherein said display module comprises latch, decoder and LED pipe composition, and described single-chip microcomputer is connected with described LED pipe through latch, decoder successively.The present invention can be arranged on described single-chip microcomputer, AD modular converter, key-press module and display module on the surface of ruler, and in order to save the space, the device that they adopt all can use surface mount elements.Button in the described key-press module can be selected the mode of operation of single-chip microcomputer.Can select to let single-chip microcomputer be operated in idle pulley (battery saving mode) or normal mode.
What deserves to be mentioned is that precision of the present invention can be arranged to 1mm, the distribution through the contact can realize; Be that spacing between the contact is 1 millimeter; Its range also can be set as required, if be designed to 20 centimetres range, then described resistance string then adopts 200 substitutional resistances to be composed in series.What also need explain is, whole system of the present invention is when designing and producing, and volume should be as much as possible little, and power consumption is low as far as possible, and cost is low as much as possible.And adopt battery powered words, can also be convenient for people to portably use.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (6)
1. an intelligent ruler comprises a ruler, it is characterized in that: said ruler is provided with a resistance string, the contact that stretches out of each the resistance pin in the said resistance string, and described contact in turn is distributed on the chi mouth of said ruler; On the described chi mouth conductive layer is set also, in order to a conductive pen point when the setting-out of chi mouth, the said contact of conducting and this conductive layer; Described conductive layer is connected with an AD modular converter, and described AD modular converter is connected with a single-chip microcomputer, and described single-chip microcomputer also is connected with key-press module and display module.
2. intelligent ruler according to claim 1 is characterized in that: described display module comprises latch, decoder and LED pipe composition, and described single-chip microcomputer is connected with described LED pipe through latch, decoder successively.
3. intelligent ruler according to claim 1 is characterized in that: described single-chip microcomputer, AD modular converter, key-press module and display module all are arranged on the surface of said ruler.
4. intelligent ruler according to claim 1 is characterized in that: the spacing between the said contact is 1 millimeter, and described resistance string is composed in series by 200 substitutional resistances.
5. intelligent ruler according to claim 1 is characterized in that: it is characterized in that: described intelligent ruler adopts powered battery.
6. according to each described intelligent ruler of claim 1 to 5, it is characterized in that: the device that described single-chip microcomputer, AD modular converter, key-press module and display module adopt all uses surface mount elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210070402.XA CN102582323B (en) | 2012-03-17 | 2012-03-17 | Intelligent ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210070402.XA CN102582323B (en) | 2012-03-17 | 2012-03-17 | Intelligent ruler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102582323A true CN102582323A (en) | 2012-07-18 |
| CN102582323B CN102582323B (en) | 2014-07-30 |
Family
ID=46471780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210070402.XA Expired - Fee Related CN102582323B (en) | 2012-03-17 | 2012-03-17 | Intelligent ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102582323B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108477723A (en) * | 2018-06-06 | 2018-09-04 | 杭州图华科技有限公司 | A kind of discrete resistance formula weight body clothing and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07122561B2 (en) * | 1987-05-08 | 1995-12-25 | タマパック株式会社 | Scale |
| CN1867811A (en) * | 2003-10-16 | 2006-11-22 | 株式会社汤山制作所 | Long-object measuring device |
| CN101858723A (en) * | 2010-05-25 | 2010-10-13 | 奇瑞汽车股份有限公司 | Device and method for measuring highest point of automobile wheel arch |
| CN201858955U (en) * | 2010-06-14 | 2011-06-08 | 孙福玉 | Digital display caliber rule |
| CN201897441U (en) * | 2010-10-29 | 2011-07-13 | 蔡世强 | Electronic display scale |
-
2012
- 2012-03-17 CN CN201210070402.XA patent/CN102582323B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07122561B2 (en) * | 1987-05-08 | 1995-12-25 | タマパック株式会社 | Scale |
| CN1867811A (en) * | 2003-10-16 | 2006-11-22 | 株式会社汤山制作所 | Long-object measuring device |
| CN101858723A (en) * | 2010-05-25 | 2010-10-13 | 奇瑞汽车股份有限公司 | Device and method for measuring highest point of automobile wheel arch |
| CN201858955U (en) * | 2010-06-14 | 2011-06-08 | 孙福玉 | Digital display caliber rule |
| CN201897441U (en) * | 2010-10-29 | 2011-07-13 | 蔡世强 | Electronic display scale |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108477723A (en) * | 2018-06-06 | 2018-09-04 | 杭州图华科技有限公司 | A kind of discrete resistance formula weight body clothing and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102582323B (en) | 2014-07-30 |
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Granted publication date: 20140730 Termination date: 20170317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |