CN205027237U - Gray code area and gray code area intelligence tape measure - Google Patents

Gray code area and gray code area intelligence tape measure Download PDF

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Publication number
CN205027237U
CN205027237U CN201520764352.4U CN201520764352U CN205027237U CN 205027237 U CN205027237 U CN 205027237U CN 201520764352 U CN201520764352 U CN 201520764352U CN 205027237 U CN205027237 U CN 205027237U
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gray
code
gray code
tape
band
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李向良
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Chit Wing Technology Group Co Ltd
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Chit Wing Technology Group Co Ltd
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Abstract

The utility model discloses a gray code area and gray code area intelligence tape measure through directly setting up the gray code on the tape band, and sets up the gray code according to appointed periodic repetition on the tape band, sets up the length scale rather than direct on the tape band, and accessible reading device reads the gray code on the tape band, has replaced traditional scale and has read the mode, has strengthened the stability of reading. Simultaneously owing to adopt the direct gray code that sets up on the tape band body, need not again when setting up its winding to the diameter tape in additionally to set up the gray code wheel, reduced the volume of tape measure.

Description

A kind of Gray code band and Gray code band Intelligent measuring tape
Technical field
The utility model relates to Intelligent measuring tape technical field, in particular a kind of Gray code band and Gray code band Intelligent measuring tape.
Background technology
Gray code belongs to Reliability codes, is a kind of coded system of error minimization.Such as, because although natural binary code directly can convert simulating signal to by D/A, in some situation, when being converted to 4 from metric 3, each of binary code all will become, and digital circuit can be made to produce very large peak current pulse.Gray code does not then have this shortcoming, when it changes between adjacent bit, only has one to change.It greatly reduces by a state obscuring to logic during next state.Two interblocks adjacent due to this coding only have a difference, thus in the conversion of the straight-line displacement amount-digital quantity for direction, when straight-line displacement amount generation subtle change is (and when may cause digital quantity to change, Gray code only changes one, more reliable compared with the situation simultaneously changing two or multidigit of encoding with other like this, the possibility of makeing mistakes can be reduced.
In prior art, the Gray of employing code-disc is used for detecting or counting more; read Gray's code-disc at scrambler or brushgear and often there will be the phenomenon of jumping brush or leaking brush; namely because brushgear rotating speed is too fast; occur that brushgear bounced certain Gray code; cause the phenomenon of miscount, be unfavorable for the use of Gray code.Meanwhile, Gray's code-disc is arranged in Intelligent measuring tape body and takies comparatively large inner space, make device volume larger.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of Gray code band and Gray code band Intelligent measuring tape, be intended to solve in prior art reading when printing length scale on tape band and easily produce error, or adopt that the reel of plastic cement tape measure in tape measure to be wound around change in radius comparatively large and cause the defect of measuring error.
The technical solution of the utility model is as follows:
A kind of Gray code band, wherein, comprise tape band body, and be arranged on the Gray code at described tape band body front and/or the back side, described Gray code is 2-9 position Gray code, and described Gray code repeats to arrange by designated period.
Described Gray code band, wherein, described Gray code comprises the first sub-Gray code of corresponding binary number 1, and second of corresponding binary number 0 the sub-Gray code.
Described Gray code band, wherein, the white background rectangle silk-screen layer of described first sub-Gray code to be width be 1-600mm.
Described Gray code band, wherein, the black matrix colour moment shape silk-screen layer of described second sub-Gray code to be width be 1-600mm.
Described Gray code band, wherein, the tow sides of described tape band body are provided with at least one linear Gray's code channel, described Gray's code channel are provided with multiple first sub-Gray code and the second sub-Gray code.
Described Gray code band, wherein, the front and back of described tape band body is provided with 3 Gray's code channels all from bottom to up, and each Gray's code channel correspondence arranges wherein one of 6 Gray codes.
Described Gray code band, wherein, the front of described tape band body arranges low three Gray's code channels, low three in corresponding 6 Gray codes of described low three Gray's code channels, and described low three Gray's code channels are designated as first Gray's code channel, second Gray code channel and the 3rd Gray's code channel respectively.
Described Gray code band, wherein, the back side of described tape band body arranges high three Gray's code channels, high three in corresponding 6 Gray codes of described high three Gray's code channels, and described high three Gray's code channels are designated as the 4th Gray's code channel, the 5th Gray's code channel and the 6th Gray's code channel respectively.
A kind of Gray code band Intelligent measuring tape, wherein, comprising described Gray code band, also comprising the Gray code reading device for reading described Gray code tape reading in real time.
Beneficial effect: Gray code band described in the utility model and Gray code band Intelligent measuring tape, by Gray code is set directly on tape band, and tape band repeats to arrange Gray code by designated period, instead of directly length scale is set on tape band, the Gray code on tape band is read by reading device, instead of traditional scale reading manner, enhance the stability of reading.Directly Gray code is set on tape band body owing to adopting simultaneously, is wound around when arranging to tape measure body and Gray's code-disc is set without the need to additional again, reduce the volume of tape measure.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in the tape band body front of Gray code band described in the utility model.
Fig. 2 is the schematic diagram at the tape band body back side of Gray code band described in the utility model.
Fig. 3 is the structural representation of Gray code band Intelligent measuring tape described in the utility model preferred embodiment.
Fig. 4 is the exploded perspective view of Gray code band Intelligent measuring tape described in the utility model preferred embodiment.
Embodiment
The utility model provides a kind of Gray code band, Gray code band Intelligent measuring tape and method for reading data, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please simultaneously see Fig. 1-Fig. 2, wherein Fig. 1 is the schematic diagram in the tape band body front of Gray code band described in the utility model, Fig. 2 is the schematic diagram at the tape band body back side of Gray code band described in the utility model, described Gray code band, comprise tape band body 100, and being arranged on the Gray code 110 at described tape band body 100 front and/or the back side, described Gray code 110 is 2-9 position Gray code, and described Gray code 110 repeats to arrange by designated period.
Further, described Gray code 110 comprises the first sub-Gray code 111 of corresponding binary number 1, and second of corresponding binary number 0 the sub-Gray code 112.
Please refer again to Fig. 1 and Fig. 2, described first sub-Gray code 111 for width be the white background rectangle silk-screen layer of 1-600mm.Best, the width of described first sub-Gray code 111 is 2mm.The black matrix colour moment shape silk-screen layer of described second sub-Gray code to be width be 1-600mm.Best, the width of described second sub-Gray code 112 is 2mm.Described first sub-Gray code 111 is set to white background rectangle silk-screen layer, and described second sub-Gray code 112 black matrix colour moment shape silk-screen layer is only used to the aberration of increase two seed Gray code, the reading device being convenient to Gray code band accurately reads current Gray code.
White background rectangle silk-screen layer and black matrix colour moment shape silk-screen layer is not limited to during concrete enforcement, as long as by the aberration between the first sub-Gray code of corresponding binary number 1 and the second sub-Gray code of corresponding binary number 0 higher than appointment color difference threshold, such as described first sub-Gray code 111 is yellow background color rectangle silk-screen layer, and described second sub-Gray code 112 is black matrix colour moment shape silk-screen layer.
Further, as depicted in figs. 1 and 2, the tow sides of described tape band body 100 are provided with at least one linear Gray's code channel 120, described Gray's code channel 120 are provided with multiple first sub-Gray code 111 and the second sub-Gray code 112.Described Gray's code channel 120 is only for limiting between the setting area of Gray code 110 on tape band body 100.Tape band body 100 such as, be provided with Gray's code channel 120 of 1 long 1.5m, wide 5mm, first sub-Gray code 111 is the white background rectangle silk-screen layer of wide 2mm, high 5mm simultaneously, second sub-Gray code 112 is the black matrix colour moment shape silk-screen layer of wide 2mm, high 5mm, then can arrange 750 altogether when this Gray's code channel 120 arranges Gray code along its length.If when only arranging Gray's code channel 120, then tape band body 100 can only be arranged 1 Gray code, practical use is little, therefore is provided with at least one linear Gray's code channel 120 in the front of tape band body 100 and/or reverse side in the specific implementation.
If the same face all Gray's code channels 120 being all arranged on tape band body 100 can increase the width of tape band body 100, tape band body 100 is wound around the height increasing tape band outlet when being arranged at Intelligent measuring tape inside, namely add the thickness of Intelligent measuring tape body, thus increase the volume of whole Intelligent measuring tape, be not easy to user and carry.
If when Gray's code channel 120 is arranged on the tow sides of tape band body 100, then can reduce the width of tape band body 100, be conducive to the volume reducing Intelligent measuring tape, be convenient to user and carry.
Such as, when tape band body 100 being provided with altogether 6 parallel Gray's code channels 120, N number of Gray's code channel (wherein 1≤N≤6, and N is positive integer) can being set in front, (6-N) individual Gray's code channel is set overleaf.Width due to each Gray's code channel 120 is all equal and be fixed value, the width that the width sum of Gray's code channel 120 of tape band body 100 the same face adds non-gray code channel region equals the width of tape band body 100, therefore when number and the number of Gray's code channel 120 at tape band body 100 back side of Gray's code channel 120 in tape band body 100 front differ 1 or complete equal time, the width of tape band body 100 can be down to minimum.
Preferably, as depicted in figs. 1 and 2, the front and back of described tape band body 100 is provided with 3 Gray's code channels all from bottom to up, and each Gray's code channel correspondence arranges wherein one of 6 Gray codes.The front of described tape band body 100 arranges low three Gray's code channels, low three in corresponding 6 Gray codes of described low three Gray's code channels, described low three Gray's code channels are designated as first Gray's code channel 121, second Gray code channel 122 and the 3rd Gray's code channel 123 respectively; The back side of described tape band body 100 arranges high three Gray's code channels, high three in corresponding 6 Gray codes of described high three Gray's code channels, described high three Gray's code channels are designated as the 4th Gray's code channel 124, the 5th Gray's code channel 125 and the 6th Gray's code channel 126 respectively.During concrete enforcement, order is set can exchanges arbitrarily of first Gray's code channel 121 in tape band body 100 front, second Gray code channel 122 and the 3rd Gray's code channel 123, order is set can exchanges arbitrarily of the 4th Gray's code channel 124 at same tape band body 100 back side, the 5th Gray's code channel 125 and the 6th Gray's code channel 126.
In 6 Gray codes in the utility model, every Gray code is longitudinally arranged (namely arranging according to the Width of tape band body 100) at the same face of tape band body 100.If the front of tape band body 100 is disposed with the 3rd Gray's code channel 123 from bottom to up, second Gray code channel 122 and first Gray's code channel 121, the back side of tape band body 100 is disposed with the 4th Gray's code channel 124 from bottom to up, 5th Gray's code channel 125 and the 6th Gray's code channel 126, if any six Gray codes 111111, wherein most significant digit (namely the 6th) the white background rectangle silk-screen layer corresponding to 1 (wide is 2mm) is arranged on the 6th Gray's code channel 126, a secondary high position (namely the 5th) the white background rectangle silk-screen layer corresponding to 1 (wide is 2mm) is arranged on the 5th Gray's code channel 125,4th the white background rectangle silk-screen layer (wide is 2mm) corresponding to 1 is arranged on the 4th Gray's code channel 124,3rd the white background rectangle silk-screen layer (wide is 2mm) corresponding to 1 is arranged on the 3rd Gray's code channel 123, secondary low level (namely the 2nd) the white background rectangle silk-screen layer corresponding to 1 (wide is 2mm) is arranged on second Gray code channel 122, lowest order (namely the 1st) the white background rectangle silk-screen layer corresponding to 1 (wide is 2mm) is arranged on first Gray's code channel 121.
Wherein, white background rectangle silk-screen layer corresponding to 1 of most significant digit (namely the 6th) the white background rectangle silk-screen layer corresponding to 1, a secondary high position (namely the 5th) and the 4th longitudinally (namely along the Width of tape band body 100) alignment of the white background rectangle silk-screen layer corresponding to 1 are arranged.White background rectangle silk-screen layer corresponding to 1 of 3rd white background rectangle silk-screen layer corresponding to 1, secondary low level (namely the 2nd) and the white background rectangle silk-screen layer of lowest order (namely the 1st) corresponding to 1 longitudinally (namely along the Width of tape band body 100) alignment are arranged.Cycle due to 6 Gray codes be 64(that is 26 powers), specifically see table 1-table 4, therefore 6 Gray codes in a whole cycle can be set up, its length be 32*l(wherein l be the width of the sub-Gray code 112 of the first sub-Gray code 111 or the second, as 2mm).
Sequence number 6 Gray codes High 3 corresponding decimal numbers Low 3 corresponding decimal numbers Sequence number 6 Gray codes High 3 corresponding decimal numbers Low 3 corresponding decimal numbers
1 000000 0 0 9 001100 1 7
2 000001 0 1 10 001101 1 6
3 000011 0 2 11 001111 1 5
4 000010 0 3 12 001110 1 4
5 000110 0 4 13 001010 1 3
6 000111 0 5 14 001011 1 2
7 000101 0 6 15 001001 1 1
8 000100 0 7 16 001000 1 0
Table 1
Sequence number 6 Gray codes High 3 corresponding decimal numbers Low 3 corresponding decimal numbers Sequence number 6 Gray codes High 3 corresponding decimal numbers Low 3 corresponding decimal numbers
17 011000 2 0 25 010100 3 7
18 011001 2 1 26 010101 3 6
19 011011 2 2 27 010111 3 5
20 011010 2 3 28 010110 3 4
21 011110 2 4 29 010010 3 3
22 011111 2 5 30 010011 3 2
23 011101 2 6 31 010001 3 1
24 011100 2 7 32 010000 3 0
Table 2
Sequence number 6 Gray codes High 3 corresponding decimal numbers Low 3 corresponding decimal numbers Sequence number 6 Gray codes High 3 corresponding decimal numbers Low 3 corresponding decimal numbers
33 110000 4 0 41 111100 5 7
34 110001 4 1 42 111101 5 6
35 110011 4 2 43 111111 5 5
36 110010 4 3 44 111110 5 4
37 110110 4 4 45 111010 5 3
38 110111 4 5 46 111011 5 2
39 110101 4 6 47 111001 5 1
40 110100 4 7 48 111000 5 0
Table 3
Sequence number 6 Gray codes High 3 corresponding decimal numbers Low 3 corresponding decimal numbers Sequence number 6 Gray codes High 3 corresponding decimal numbers Low 3 corresponding decimal numbers
49 101000 6 0 57 100100 7 7
50 101001 6 1 58 100101 7 6
51 101011 6 2 59 100111 7 5
52 101010 6 3 60 100110 7 4
53 101110 6 4 61 100010 7 3
54 101111 6 5 62 100011 7 2
55 101101 6 6 63 100001 7 1
56 101100 6 7 64 100000 7 0
Table 4
Visible, due to Gray code is set directly on tape band, and tape band repeats to arrange Gray code by designated period, instead of directly length scale is set on tape band, the Gray code on tape band is read by reading device, instead of traditional scale reading manner, enhance the stability of reading.Directly Gray code is set on tape band body owing to adopting simultaneously, is wound around when arranging to tape measure body and Gray's code-disc is set without the need to additional again, reduce the volume of tape measure.
Based on above-mentioned Gray code band, the utility model additionally provides a kind of Gray code band Intelligent measuring tape, as shown in Figure 3 and Figure 4, comprises described Gray code band, also comprises the Gray code reading device 200 for reading described Gray code tape reading in real time.
When the front of the tape band body 100 of described Intelligent measuring tape and the back side are provided with 3 Gray's code channels 120 all from bottom to up, also be provided with and described Gray's code channel 120 Gray code reading device 200 one to one, and the range of exposures of infrared light that each Gray code reading device sends does not exceed the altitude range of each Gray's code channel 120.Concrete, first Gray code reading device is just to described first Gray's code channel 121, second Gray code reading device is just to described second Gray code channel 122,3rd Gray code reading device is just to described 3rd Gray's code channel 123,4th Gray code reading device is just to described 4th Gray's code channel 124,5th Gray code reading device just to described 5th Gray's code channel the 125, six Gray code reading device just to described 6th Gray's code channel 126.Above-mentioned six Gray code reading devices connect the corresponding I/O mouth in Intelligent measuring tape intrinsic MCU control chip respectively.
During concrete enforcement, described Gray code reading device 200 is infrared transceiver device or brush.When described Gray code reading device 200 is infrared transceiver device, then what adopt is that contactless mode reads Gray code reading on tape band body 100.When described Gray code reading device 200 is brush, then what adopt is have the mode of contact to read Gray code reading on tape band body 100.
When described Gray code reading device 200 is infrared transceiver device, both sides due to tape band body 100 are respectively provided with 3 infrared transceiver devices, if the infrared transceiver device of tape band body 100 both sides is completely just right, when the infrared transmitting that then infrared transceiver device of tape band body 100 side sends crosses described tape band body 100, the infrared light reception result of the Gray code reading device 200 of opposite side can be caused to change, affect measurement result.
In order to ensure the accuracy of measurement result, the starting point of Gray's code channel at the starting point of Gray's code channel in described tape band body 100 front and described tape band body 100 back side need be shifted to install.Due to when tape band body 100 is the state be drawn out the first beginning and end, described first Gray code reading device is just to the starting point of described first Gray's code channel 121, second Gray code reading device is just to the starting point of described second Gray code channel 122, 3rd Gray code reading device is just to the starting point of described 3rd Gray's code channel 123, 4th Gray code reading device is just to the starting point of described 4th Gray's code channel 124, 5th Gray code reading device is just to the starting point of described 5th Gray's code channel 125, 6th Gray code reading device is just to the starting point of described 6th Gray's code channel 126.Because the starting point of the two-sided Gray's code channel of tape band body 100 exists dislocation, therefore there is the dislocation of certain distance the position just right relative to the 4th Gray code reading device being distributed in described tape band body 100 opposite side, the 5th Gray code reading device and the 6th Gray code reading device that be distributed in the just right position of the first Gray code reading device of described tape band body 100 side, the second Gray code reading device and the 3rd Gray code reading device.During concrete enforcement, the starting point of the starting point of Gray's code channel in described tape band body 100 front and Gray's code channel at described tape band body 100 back side distance that misplaces is 3-10mm.Best, the starting point of the starting point of Gray's code channel in described tape band body 100 front and Gray's code channel at described tape band body 100 back side misplaces apart from being 5.5mm.
Owing to each Gray's code channel 120 being all occur black code and white code with some cycles, and white code and black code alternately occur.Black code and white code are to the absorptivity difference of the infrared light that Gray code reading device 200 sends simultaneously, specifically the absorptivity of black code to infrared light is high, the absorptivity of white code to infrared light is low and lower than the infrared Absorption rate of black code, be decoded as 0 after the infrared light reflected back through black code is received by Gray code reading device 200, after the infrared light reflected back through white code is received by Gray code reading device 200, be decoded as 1.
Therefore when tape band body 100 is in the process be pulled, by Gray code reading device 200 and be arranged on the MCU control chip be connected in Intelligent measuring tape body and with Gray code reading device 200 and jointly detect tape band body 100 frequency n of repetition period length and the offset Δ L in current repetition period length when pulled, then pass through L=n*L t+ Δ L can calculate actual measurement length L, realizes accurately measuring length like this, reduces measuring error.Specifically because arrange on each Gray's code channel of tape, there is the black code of one fixed width and white code, effectively avoid, because soft tape is stretched, deformation and the measuring error that causes occur.
In sum, Gray code band described in the utility model and Gray code band Intelligent measuring tape, by Gray code is set directly on tape band, and tape band repeats to arrange Gray code by designated period, instead of directly length scale is set on tape band, read the Gray code on tape band by reading device, instead of traditional scale reading manner, enhance the stability of reading.Directly Gray code is set on tape band body owing to adopting simultaneously, is wound around when arranging to tape measure body and Gray's code-disc is set without the need to additional again, reduce the volume of tape measure.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to the utility model claims.

Claims (9)

1. a Gray code band, is characterized in that, comprises tape band body, and is arranged on the Gray code at described tape band body front and/or the back side, and described Gray code is 2-9 position Gray code, and described Gray code repeats to arrange by designated period.
2. Gray code band according to claim 1, it is characterized in that, described Gray code comprises the first sub-Gray code of corresponding binary number 1, and second of corresponding binary number 0 the sub-Gray code.
3. Gray code band according to claim 2, is characterized in that, the white background rectangle silk-screen layer of described first sub-Gray code to be width be 1-600mm.
4. Gray code band according to claim 3, is characterized in that, the black matrix colour moment shape silk-screen layer of described second sub-Gray code to be width be 1-600mm.
5. Gray code band according to claim 4, it is characterized in that, the tow sides of described tape band body are provided with at least one linear Gray's code channel, described Gray's code channel are provided with multiple first sub-Gray code and the second sub-Gray code.
6. Gray code band according to claim 5, it is characterized in that, the front and back of described tape band body is provided with 3 Gray's code channels all from bottom to up, and each Gray's code channel correspondence arranges wherein one of 6 Gray codes.
7. Gray code band according to claim 6, it is characterized in that, the front of described tape band body arranges low three Gray's code channels, low three in corresponding 6 Gray codes of described low three Gray's code channels, described low three Gray's code channels are designated as first Gray's code channel, second Gray code channel and the 3rd Gray's code channel respectively.
8. Gray code band according to claim 7, it is characterized in that, the back side of described tape band body arranges high three Gray's code channels, high three in corresponding 6 Gray codes of described high three Gray's code channels, described high three Gray's code channels are designated as the 4th Gray's code channel, the 5th Gray's code channel and the 6th Gray's code channel respectively.
9. a Gray code band Intelligent measuring tape, is characterized in that, comprises the Gray code band as described in any one of claim 1-8, also comprises the Gray code reading device for reading described Gray code tape reading in real time.
CN201520764352.4U 2015-09-30 2015-09-30 Gray code area and gray code area intelligence tape measure Active CN205027237U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106556309A (en) * 2015-09-30 2017-04-05 捷荣科技集团有限公司 A kind of Gray code band, Gray code band Intelligent measuring tape and method for reading data
WO2017054717A1 (en) * 2015-09-30 2017-04-06 东莞捷荣技术股份有限公司 Gray code tape, intelligent tape measure having gray code tape and data reading method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106556309A (en) * 2015-09-30 2017-04-05 捷荣科技集团有限公司 A kind of Gray code band, Gray code band Intelligent measuring tape and method for reading data
WO2017054717A1 (en) * 2015-09-30 2017-04-06 东莞捷荣技术股份有限公司 Gray code tape, intelligent tape measure having gray code tape and data reading method
CN106556309B (en) * 2015-09-30 2020-02-07 捷荣科技集团有限公司 Gray code belt, intelligent measuring tape for gray code belt and data reading method

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