CN205027229U - Economize on electricity formula intelligence tape measure - Google Patents
Economize on electricity formula intelligence tape measure Download PDFInfo
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Abstract
The utility model discloses an economize on electricity formula 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, rather than through printing gray code wheel and set up in intelligent diameter tape, has reduced the volume of intelligent tape measure, simultaneously, each gray code in the one -period has the black sign indicating number or the white sign indicating number of certain width, 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. Because still set up the switching device that control infrared device opened or closed, the infrared reading device of tape band both sides is that the timesharing is opened, rather than opening simultaneously, has saved the electric energy.
Description
Technical field
The utility model relates to Intelligent measuring tape technical field, in particular a kind of energy saving type 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.And Intelligent measuring tape of the prior art is all without electricity saving function Intelligent measuring tape.
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 energy saving type Intelligent measuring tape, be intended to solve in prior art measurement when printing conventional length scale in the tape of tape measure and there is error, or arranging Gray's code-disc in tape measure inside causes device volume comparatively large, Intelligent measuring tape is without electricity saving function defect simultaneously.
The technical solution of the utility model is as follows:
A kind of energy saving type Intelligent measuring tape, wherein, comprise Intelligent measuring tape body, and be arranged on the tape band also can extracted out in described Intelligent measuring tape body, the front and back of described tape band all arranges at least one Gray's code channel, and the Gray code in described Gray's code channel repeats to arrange by designated period; Also arrange with Gray's code channel one_to_one corresponding, for reading the infrared transceiver device group of Gray code in Gray's code channel in described Intelligent measuring tape body, and for controlling the switchgear that described infrared transceiver device group is opened or closed, described switchgear is electrically connected with described infrared transceiver device group; Described infrared transceiver device group comprises the low level infrared transceiver device group just right with described tape band front Gray's code channel, and the high-order infrared transceiver device group just right with described tape band back side Gray's code channel; Described high-order infrared transceiver device group is triggered by switchgear when tape band is in twitch state and opens, and described low level infrared transceiver device group is triggered by switchgear when tape band becomes stationary state from the state of twitch and opens.
Described energy saving type Intelligent measuring tape, wherein, described switchgear comprises the code-disc be arranged in Intelligent measuring tape body on pcb board and the brush touched with described code-disc.
Described energy saving type Intelligent measuring tape, wherein, the front and back of described tape band is provided with 3 Gray's code channels all from bottom to up.
Described energy saving type Intelligent measuring tape, wherein, the front of described tape band arranges low three Gray's code channels, is respectively first Gray's code channel, second Gray code channel and the 3rd Gray's code channel.
Described energy saving type Intelligent measuring tape, wherein, just 3 infrared transceiver devices are comprised to the low level infrared transceiver device group that the side in tape band front is arranged in described Intelligent measuring tape body, be respectively the first infrared transceiver device, the second infrared transceiver device and the 3rd infrared transceiver device; Wherein, described first infrared transceiver device is just to described first Gray's code channel, and described second infrared transceiver device is just to described second Gray code channel, and described 3rd infrared transceiver device is just to described 3rd Gray's code channel.
Described energy saving type Intelligent measuring tape, wherein, the front of described tape band arranges high three Gray's code channels, is respectively the 4th Gray's code channel, the 5th Gray's code channel and the 6th Gray's code channel.
Described energy saving type Intelligent measuring tape, wherein, just 3 infrared transceiver devices are comprised to the high-order infrared transceiver device group that the side at the tape band back side is arranged in described Intelligent measuring tape body, be respectively the 4th infrared transceiver device, the 5th infrared transceiver device and the 6th infrared transceiver device; Wherein, described 4th infrared transceiver device is just to described 4th Gray's code channel, and described 5th infrared transceiver device is just to described 5th Gray's code channel, and described 6th infrared transceiver device is just to described 6th Gray's code channel.
Beneficial effect: energy saving type Intelligent measuring tape described in the utility model, by Gray code is set directly on tape band, and tape band repeats to arrange Gray code by designated period, instead of by printing Gray's code-disc and being arranged in Intelligent measuring tape body, reduce the volume of Intelligent measuring tape; Meanwhile, each Gray code in one-period has the black code of one fixed width or white code, can effectively avoid deformation occurring and the measuring error that causes because soft tape is stretched.Owing to being also provided with the switchgear controlling infrared transceiver device and open or close, the infrared reading device of tape band both sides is that timesharing is opened, instead of opens simultaneously, saves electric energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of energy saving type Intelligent measuring tape described in the utility model preferred embodiment.
Fig. 2 is the explosive view of energy saving type Intelligent measuring tape described in the utility model preferred embodiment.
Fig. 3 is the structural representation of pcb board in energy saving type Intelligent measuring tape described in the utility model.
Fig. 4 is the schematic diagram in tape band front in energy saving type Intelligent measuring tape described in the utility model preferred embodiment.
Fig. 5 is the schematic diagram at the tape band back side in energy saving type Intelligent measuring tape described in the utility model preferred embodiment.
Embodiment
The utility model provides a kind of energy saving type Intelligent measuring tape, 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. 3, wherein Fig. 1 is the structural representation of energy saving type Intelligent measuring tape described in the utility model preferred embodiment, Fig. 2 is the explosive view of energy saving type Intelligent measuring tape described in the utility model preferred embodiment, Fig. 3 is the structural representation of pcb board in energy saving type Intelligent measuring tape described in the utility model, described energy saving type Intelligent measuring tape, comprise Intelligent measuring tape body 100, and be arranged on the tape band 200 also can extracted out in described Intelligent measuring tape body 100, the front and back of described tape band 200 all arranges at least one Gray's code channel 210, Gray code in described Gray's code channel 210 repeats to arrange by designated period, also be provided with Gray's code channel one_to_one corresponding, for reading the infrared transceiver device group 300 of Gray code in Gray's code channel 210 in described Intelligent measuring tape body 100, and for controlling the switchgear 400 that described infrared transceiver device group 300 is opened or closed, described switchgear 400 is electrically connected with described infrared transceiver device 300, described infrared transceiver device group 300 comprises the low level infrared transceiver device group just right with described tape band front Gray's code channel, and the high-order infrared transceiver device group just right with described tape band back side Gray's code channel, described high-order infrared transceiver device group triggers unlatching when tape band is in twitch state by switchgear 400, and described low level infrared transceiver device group triggers unlatching when tape band becomes stationary state from the state of twitch by switchgear 400.
During concrete enforcement, in described infrared transceiver device group 300, each infrared transceiver device includes infrared transmission module and infrared receiving module, described infrared transmission module connects infrared receiving module, and described infrared receiving module connects the MCU control chip in Intelligent measuring tape.
Referring again to Fig. 2 and Fig. 3, described switchgear 400 comprises the code-disc 410 be arranged in Intelligent measuring tape body 100 on pcb board 400 and the brush 420 touched with described code-disc 410.When tape band 200 when pulled, described brush 420 is then driven to rotate, when brush 420 rotation touches code-disc 410, then produce pulse (being also switch triggering signal), the Gray code now then opened on described infrared transceiver device group 300 pairs of tape bands 200 carries out reading.When brush 420 stops operating, then described infrared transceiver device group 300 enters energy saving standby state or enters closed condition after certain time-delay.
Further, as shown in Figure 3 and Figure 4, the tow sides of described tape band 200 are provided with at least one linear Gray's code channel 210, and described Gray's code channel 210 is provided with multiple counting Gray code.During concrete enforcement, as depicted in figs. 1 and 2, described Intelligent measuring tape body 100 is provided with tape band outlet 110, is provided with and described Gray's code channel 210 infrared transceiver device group 300 one to one near the position of tape band outlet 110 in described Intelligent measuring tape body 100.
Because the same face all Gray's code channels 210 being all arranged on tape band 200 can increase the width of tape band 200, namely the height of tape band outlet 110 is increased, namely add the thickness of Intelligent measuring tape body 100, thus increase the volume of whole Intelligent measuring tape, be not easy to user and carry.
If when Gray's code channel 210 is arranged on the two sides of tape band 200, then can reduce the width of tape band 200, be conducive to the volume reducing Intelligent measuring tape, be convenient to user and carry.
Such as, when tape band 200 being provided with altogether 6 Gray's code channels 210, N number of Gray's code channel (wherein 1≤N≤6, and N is positive integer) can be set in front, (6-N) individual Gray's code channel is set overleaf.Height due to each Gray's code channel 210 is all equal and be fixed value, the height sum of Gray's code channel 210 of tape band 200 the same face equals the width of tape band 200, therefore when number and the number of Gray's code channel 210 at tape band 200 back side of Gray's code channel 210 in tape band 200 front differ 1 or complete equal time, the width of tape band 200 can be down to minimum.
Preferably, as shown in Figure 4 and Figure 5, the front of described tape band 200 and the back side are provided with 3 Gray's code channels 210 all from bottom to up; The front of described tape band 200 arranges low three Gray's code channels, is respectively first Gray's code channel 211, second Gray code channel 212 and the 3rd Gray's code channel 213; The back side of described tape band 200 arranges high three Gray's code channels, is respectively the 4th Gray's code channel 214, the 5th Gray's code channel 215 and the 6th Gray's code channel 216.
In the specific implementation, as shown in Figure 4, described first Gray's code channel 211 is provided with black and white and replaces first the black code of Gray's code channel and first Gray code spoken parts in an opera code that occur successively, the breadth extreme of described first black code of Gray's code channel is 2mm.As shown in Figure 5, described 4th Gray's code channel 214 is provided with black and white and replaces the 4th the black code of Gray's code channel and the 4th Gray code spoken parts in an opera code that occur successively, the breadth extreme of described 4th the black code of Gray's code channel is 16mm.When the breadth extreme of described first black code of Gray's code channel is set to 2mm, then in the 6th Gray's code channel 216, each length cycles is that namely 64mm(only occurs once black code in same period, also only there is once white code), be also the repetition period L that 6 Gray codes are set in tape band 200
tfor 64mm.In like manner, when the breadth extreme of described first black code of Gray's code channel is set to 4mm, the repetition period L of 6 Gray codes
tfor 128mm.On tape band 200,6 Gray's code channels are provided with owing to working as, and by the repetition period L of 6 Gray codes
tduring for 64mm, can meet user when extracting described tape band 200 by various speed, infrared transceiver device 300 can not be made to miss statistics repetition period L
tthe number of times repeated, therefore by the repetition period L of 6 Gray codes during concrete enforcement
tbe set to 64mm.
In order to the set-up mode of 6 Gray codes on tape band 200 in clearer explanation the utility model, below by such as 6 Gray's code tables shown in table 1-table 4 and Fig. 4 and Fig. 5 further illustrate.
| 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, known from 6 Gray's code tables of table 1-table 4, the repetition period of 6 Gray codes is 64, and Gray code and sequence number that sequence number is (M+1) be M Gray code compared with (wherein 1≤M≤63), have and only have one-bit digital to there occurs change (become 0 by 1, or become 1 from 0).If black code is designated as 0, white code is designated as 1, then by above-mentioned 64 6 Gray codes with one end of tape band 200 for starting point, sequentially print to the other end.By sequence number be such as 1 000000 these 6 Gray codes be arranged on starting point place end, concrete is arranged on the 6th Gray's code channel 216 by most significant digit in 6 Gray codes (namely the 6th) 0, a secondary high position (namely the 5th) 0 is arranged on the 5th Gray's code channel 215, 4th 0 is arranged on the 4th Gray's code channel 214, 3rd 0 is arranged on the 3rd Gray's code channel 213, secondary low level (i.e. second) 0 is arranged on second Gray code channel 212, lowest order (namely first) 0 is arranged on first Gray's code channel, the height of above-mentioned 6 codes is equal with the height of corresponding Gray's code channel, above-mentioned 6 codes are rectangular strip, and the width of rectangular strip is 1mm, on tape band 200, sequentially Gray code is set by the sequence number shown in table 1-table 4 like this, tape band 200 as shown in Figure 4 and Figure 5 can be obtained.Wherein, tape band 200 front as shown in Figure 4 sets gradually first Gray's code channel 211, second Gray code channel 212 and the 3rd Gray's code channel 213 from top to bottom, and tape band 200 back side as shown in Figure 5 sets gradually described 6th Gray's code channel 216, the 5th Gray's code channel 215 and the 4th Gray's code channel 214 from top to bottom.
When the front of the tape band 200 of described Intelligent measuring tape and the back side are provided with 3 Gray's code channels 210 all from bottom to up, also be provided with and described Gray's code channel 210 infrared transceiver device one to one, and the range of exposures of infrared light that each infrared transceiver device sends does not exceed the altitude range of each Gray's code channel 210.Just 3 infrared transceiver devices are comprised to the low level infrared transceiver device group that the side in tape band 200 front is arranged in described Intelligent measuring tape body 100, be respectively the first infrared transceiver device, the second infrared transceiver device and the 3rd infrared transceiver device; Just 3 infrared transceiver devices are comprised to the high-order infrared transceiver device group that the side at tape band 200 back side is arranged in described Intelligent measuring tape body 100, be respectively the 4th infrared transceiver device, the 5th infrared transceiver device and the 6th infrared transceiver device.Concrete, first infrared transceiver device is just to described first Gray's code channel 211, second infrared transceiver device is just to described second Gray code channel, 3rd infrared transceiver device is just to described 3rd Gray's code channel 213,4th infrared transceiver device is just to described 4th Gray's code channel 214,5th infrared transceiver device just to described 5th Gray's code channel the 215, six infrared transceiver device just to described 6th Gray's code channel 216.Above-mentioned six infrared transceiver devices connect the corresponding I/O mouth in the MCU control chip in Intelligent measuring tape body 100 respectively.
Both sides due to tape band 200 are respectively provided with 3 infrared transceiver devices, if the infrared transceiver device of tape band 200 both sides is completely just right, when the infrared transmitting that then the infrared transceiver device group 300 of tape band 200 side sends crosses described tape band 200, the infrared light reception result of the infrared transceiver device group 300 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 200 front and described tape band 200 back side need be shifted to install.Due to when tape band 200 is the state be drawn out the first beginning and end, described first infrared transceiver device is just to the starting point of described first Gray's code channel 211, second infrared transceiver device is just to the starting point of described second Gray code channel 212,3rd infrared transceiver device is just to the starting point of described 3rd Gray's code channel 213,4th infrared transceiver device is just to the starting point of described 4th Gray's code channel 214,5th infrared transceiver device is just to the starting point of described 5th Gray's code channel 215, and the 6th infrared transceiver device is just to the starting point of described 6th Gray's code channel 216.Because the starting point of the two-sided Gray's code channel of tape band 200 exists dislocation, therefore there is the dislocation of certain distance the position just right relative to the 4th infrared transceiver device being distributed in described tape band 200 opposite side, the 5th infrared transceiver device and the 6th infrared transceiver device that be distributed in the just right position of the first infrared transceiver device of described tape band 200 side, the second infrared transceiver device and the 3rd infrared transceiver device.During concrete enforcement, the starting point of the starting point of Gray's code channel in described tape band 200 front and Gray's code channel at described tape band 200 back side distance that misplaces is 5-6mm.Best, the starting point of the starting point of Gray's code channel in described tape band 200 front and Gray's code channel at described tape band 200 back side misplaces apart from being 5.5mm.
Owing to each Gray's code channel 210 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 infrared transceiver device 300 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 infrared transceiver device 300, after the infrared light reflected back through white code is received by infrared transceiver device 300, be decoded as 1.
Therefore when tape band 200 is in the process be pulled, by infrared transceiver device group 300 and with to be arranged in Intelligent measuring tape body 100 and the MCU control chip be connected with infrared transceiver device group 300 detects tape band 200 frequency n of repetition period length and the offset Δ L in current repetition period length when pulled jointly, 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.
Concrete, tape band 200 front as shown in Figure 3 sets gradually first Gray's code channel 211 from top to bottom, second Gray code channel 212 and the 3rd Gray's code channel 213, tape band 200 back side as shown in Figure 4 sets gradually described 6th Gray's code channel 216 from top to bottom, 5th Gray's code channel 215 and the 4th Gray's code channel 214, and the first infrared transceiver device is just to described first Gray's code channel 211, second infrared transceiver device is just to described second Gray code channel, 3rd infrared transceiver device is just to described 3rd Gray's code channel 213, 4th infrared transceiver device is just to described 4th Gray's code channel 214, 5th infrared transceiver device is just to described 5th Gray's code channel 215, 6th infrared transceiver device is just to described 6th Gray's code channel 216.
When detecting that switchgear is in open mode, then just the high-order infrared transceiver device group at the described tape band back side is opened, and the reading read in real time when taking out tape and being twitched on just right tape band Gray code channel, described 4th infrared transceiver device, the 5th infrared transceiver device and the 6th infrared transceiver device are in opening, simultaneously described first infrared transceiver device, the second infrared transceiver device and the 3rd infrared transceiver device are in holding state (can light at any time, but the state now also do not lighted).When detecting that tape band 200 becomes stationary state from twitch state, then the Gray code of described 4th infrared transceiver device, the 5th infrared transceiver device and the 6th infrared transceiver device reading tape band 200 stoppings place is laggard enters to close or holding state, described first infrared transceiver device, the second infrared transceiver device and the 3rd infrared transceiver device enter opening, and read by transmitting-receiving infrared ray the reading that on tape band 200, Gray code is corresponding in real time.The infrared transceiver device timesharing achieving tape band 200 both sides is like this opened, and effectively saves electric energy.
In sum, energy saving type Intelligent measuring tape described in the utility model, by being set directly on tape band by Gray code, and tape band repeats to arrange Gray code by designated period, instead of by printing Gray's code-disc and being arranged in Intelligent measuring tape body, reduce the volume of Intelligent measuring tape; Meanwhile, each Gray code in one-period has the black code of one fixed width or white code, can effectively avoid deformation occurring and the measuring error that causes because soft tape is stretched.Owing to being also provided with the switchgear controlling infrared transceiver device and open or close, the infrared reading device of tape band both sides is that timesharing is opened, instead of opens simultaneously, saves electric energy.
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 (7)
1. an energy saving type Intelligent measuring tape, it is characterized in that, comprise Intelligent measuring tape body, and be arranged on the tape band also can extracted out in described Intelligent measuring tape body, the front and back of described tape band all arranges at least one Gray's code channel, and the Gray code in described Gray's code channel repeats to arrange by designated period; Also arrange with Gray's code channel one_to_one corresponding, for reading the infrared transceiver device group of Gray code in Gray's code channel in described Intelligent measuring tape body, and for controlling the switchgear that described infrared transceiver device group is opened or closed, described switchgear is electrically connected with described infrared transceiver device group; Described infrared transceiver device group comprises the low level infrared transceiver device group just right with described tape band front Gray's code channel, and the high-order infrared transceiver device group just right with described tape band back side Gray's code channel; Described high-order infrared transceiver device group is triggered by switchgear when tape band is in twitch state and opens, and described low level infrared transceiver device group is triggered by switchgear when tape band becomes stationary state from the state of twitch and opens.
2. energy saving type Intelligent measuring tape according to claim 1, it is characterized in that, described switchgear comprises the code-disc be arranged in Intelligent measuring tape body on pcb board and the brush touched with described code-disc.
3. energy saving type Intelligent measuring tape according to claim 2, it is characterized in that, the front and back of described tape band is provided with 3 Gray's code channels all from bottom to up.
4. energy saving type Intelligent measuring tape according to claim 3, it is characterized in that, the front of described tape band arranges low three Gray's code channels, is respectively first Gray's code channel, second Gray code channel and the 3rd Gray's code channel.
5. energy saving type Intelligent measuring tape according to claim 4, it is characterized in that, just 3 infrared transceiver devices are comprised to the low level infrared transceiver device group that the side in tape band front is arranged in described Intelligent measuring tape body, be respectively the first infrared transceiver device, the second infrared transceiver device and the 3rd infrared transceiver device; Wherein, described first infrared transceiver device is just to described first Gray's code channel, and described second infrared transceiver device is just to described second Gray code channel, and described 3rd infrared transceiver device is just to described 3rd Gray's code channel.
6. energy saving type Intelligent measuring tape according to claim 5, it is characterized in that, the front of described tape band arranges high three Gray's code channels, is respectively the 4th Gray's code channel, the 5th Gray's code channel and the 6th Gray's code channel.
7. energy saving type Intelligent measuring tape according to claim 6, it is characterized in that, just 3 infrared transceiver devices are comprised to the high-order infrared transceiver device group that the side at the tape band back side is arranged in described Intelligent measuring tape body, be respectively the 4th infrared transceiver device, the 5th infrared transceiver device and the 6th infrared transceiver device; Wherein, described 4th infrared transceiver device is just to described 4th Gray's code channel, and described 5th infrared transceiver device is just to described 5th Gray's code channel, and described 6th infrared transceiver device is just to described 6th Gray's code channel.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556305A (en) * | 2015-09-30 | 2017-04-05 | 捷荣科技集团有限公司 | A kind of energy saving type Intelligent measuring tape and its data capture method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556305A (en) * | 2015-09-30 | 2017-04-05 | 捷荣科技集团有限公司 | A kind of energy saving type Intelligent measuring tape and its data capture method |
| CN106556305B (en) * | 2015-09-30 | 2019-07-23 | 捷荣科技集团有限公司 | A kind of energy saving type Intelligent measuring tape and its data capture method |
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