CN105258587A - Tape measure - Google Patents
Tape measure Download PDFInfo
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- CN105258587A CN105258587A CN201510828754.0A CN201510828754A CN105258587A CN 105258587 A CN105258587 A CN 105258587A CN 201510828754 A CN201510828754 A CN 201510828754A CN 105258587 A CN105258587 A CN 105258587A
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- Prior art keywords
- tape measure
- numerical value
- controller
- measurement
- rotating disk
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- 238000005259 measurement Methods 0.000 claims abstract description 54
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 230000005389 magnetism Effects 0.000 claims description 18
- 230000001960 triggered effect Effects 0.000 claims description 9
- 230000001419 dependent effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 241000237858 Gastropoda Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Tape Measures (AREA)
Abstract
The invention relates to the technical field of measurement, and particularly relates to a tape measure. The tape measure comprises a turntable capable of rotating, a measurement strip wound on the turntable, a magnetic-electric encoder, a measurement controller and an output device, wherein rotation of the turntable is synchronous with extension and retraction of the measurement strip; the magnetic-electric encoder generates an electric signal according to rotation of the turntable; the measurement controller is connected with the magnetic-electric encoder; an extension and retraction numerical value of the measurement strip is acquired through conversion of the electric signal; and the output device is connected with the measurement controller for outputting the extension and retraction numerical value. Through setting of the above structure, in a state in which the measurement strip carries out measurement alignment on to-be-measured space, the tape measure can automatically output the extension and retraction numerical value of the measurement strip, and thus the length of the to-be-measured space is prompted. Measurement accuracy and convenience are improved obviously.
Description
Technical field
The present invention relates to field of measuring technique, particularly relate to a kind of tape measure.
Background technology
The measuring appliance obtaining various data in society is widely used, and wherein, for the measurement of length distance, usually needs to apply tape measure.
In recent years, in application tape measure distance process, the requirement for aspects such as the accuracy measured and convenience is more and more higher, and therefore, raising measurement accuracy and convenience become design object.
In prior art, tape measure comprises the wheel shaft that can rotate and the rule that can curlingly be wrapped on wheel shaft, in use, by pulling rule, motive force is passed to wheel shaft, while wheel shaft rotates, rule is drawn out from the outermost of curling winding arrangement, in pull-out process gradually, the part that rule is drawn out is changed to linear structure by the planar spiral structures of curling winding, carry out alignment by the straight-line segment of the rule of pull-out to required measurement section to measure, under aligned condition, the scale mark that rule indicates is read by gauger, and then obtain measurement numerical value.In this process, because each measures the position difference of section, gauger is caused to need to stretch out various attitude with accurate positioning tapeline and the position of rule of stretching out by each bodies such as arms, meanwhile, the visual reading scale of gauger is needed to indicate, thus, it is low that the operation that location placement rule and visual reading scale indicate simultaneously result in simple operation, and be in different location survey attitudes because gauger measures at every turn, the distance that eye indicates apart from the scale of required reading and angle all inconsistent, this makes to read scale marker and easily deviation occurs, the accuracy read is low, the accuracy of final measurement numerical value is low.
In above prior art, the operation accuracy of tape measure and convenience is low etc. that defect becomes the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of tape measure, will accuracy and the convenience of measurement be significantly improved by application of the present invention.
For solving the problems of the technologies described above, the invention provides a kind of tape measure, comprising the rotating disk that can rotate and the measurement bar being wound in described rotating disk, the rotation of described rotating disk is synchronized with the flexible of described measurement bar, also comprises magnetism encoder, controller and follower, wherein:
Described magnetism encoder produces electric signal according to the rotation of described rotating disk;
Described controller is connected with described magnetism encoder, and being converted by described electric signal obtains the flexible numerical value of described measurement bar;
Described follower is connected with described controller, exports described flexible numerical value.
Alternatively, described magnetism encoder comprises magnetoresistive transducer and magnetoelectricity code-wheel; Described magnetoelectricity code-wheel radially circumferential interval is provided with multiple magnet unit, and described magnetoelectricity code-wheel is servo-actuated and be installed on described rotating disk coaxially; Described magnetoresistive transducer is located at described magnetoelectricity code-wheel avris, and described magnetoresistive transducer responds to the magnetic signal of described magnetoelectricity code-wheel according to the rotation of described rotating disk, produces described electric signal.
Alternatively, also comprise the first operating key be connected with described controller, described follower comprises voice announcer and/or information generator, wherein:
Described voice announcer, when described first operating key is triggered, sends the voice messaging of the described flexible numerical value recorded in real time;
Described information generator, when described first operating key is triggered, exports the described flexible numerical value recorded in real time to monitor terminal by wired or wireless syndeton.
Alternatively, described monitor terminal comprises PC, mobile phone, bluetooth earphone or panel computer.
Alternatively, also comprise the second operating key be connected with described controller, the second operating key described in described controller record is triggered the flexible numerical value in moment.
Alternatively, described follower is display, and described display shows described flexible numerical value in real time.
Alternatively, also comprise the trigger switch of the measurement bar exit position being located at described tape measure and be located at the trigger end of described measurement bar outer end; Described trigger switch is connected with described controller, and described controller triggers described trigger switch by described trigger end and resets described flexible numerical value.
Alternatively, described trigger switch is voltage dependent resistor (VDR), and described trigger switch compresses described voltage dependent resistor (VDR) by described termination and triggers.
At one about in the embodiment of tape measure, the measurement bar of tape measure is wrapped on the rotating disk that can rotate, thus, along with measurement bar is drawn out or retracts, rotating disk synchronously rotates with measurement bar, for the understanding of synchronous axial system, measuring bar is that snail shape is wrapped on rotating disk, when the outer end of measurement bar is stretched out or retracts mobile, spiral helicine measurement bar entirety rotates, the central shaft rotated and the central shaft conllinear of rotating disk, thus, along with the extended or retracted movement of measuring bar outer end, rotating disk rotates thereupon, and extended or retracted size can be synchronous in proportion with the angle of dial rotation.Tape measure also comprises magnetism encoder, controller and follower, and wherein, magnetism encoder can produce electric signal with the rotation of rotating disk; The controller be connected with magnetism encoder can be converted by the electric signal received the flexible numerical value obtaining and measure bar, and flexible numerical value is the distance values measured bar end and stretch out or retract; Follower is connected with controller, is exported by flexible numerical value.By above vibrational power flow, in application tape measure process, operational measure bar stretches out or retracts, and under the state that measurement bar aligns to the required locational space measured, tape measure just can export the flexible numerical value that said structure is measured.
In prior art, under needing the state of measuring the required measurement space of alignment at the rule of tape measure, the sign scale on rule is read by artificial visually examine, and then acquisition measured value, and large probability is occurred that measured value reads deviation, causes measuring accuracy low due to the range estimation factor such as angular deviation, light interference; Meanwhile, under the state of control position to be measured place alignment rule, also need range estimation scale to indicate, this measuring process must cause the convenience of operation low.In contrast to prior art, the tape measure that present embodiment provides can export measured flexible numerical value automatically, significantly improves measurement precision and simple operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is structural representation of the present invention;
In Fig. 1: rotating disk-1, measurement bar-2, trigger end-21, magnetism encoder-3, trigger switch-4.
Embodiment
Core of the present invention is to provide a kind of tape measure, will significantly improve accuracy and the convenience of measurement by application of the present invention.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, Fig. 1 is structural representation of the present invention.
According to figure, tape measure comprises magnetism encoder 3, controller, follower, the rotating disk 1 that can rotate and the measurement bar 2 being wound in rotating disk 1, wherein: the rotation of rotating disk 1 is synchronized with measures the flexible of bar 2; Magnetism encoder 3 produces electric signal according to the rotation of rotating disk 1; Controller is connected with magnetism encoder 3, and converted by electric signal the flexible numerical value obtaining and measure bar 2; Follower is connected with controller, exports flexible numerical value.Measure bar 2 can stretch out from tape measure or retract, and when measuring bar 2 and measuring locus to be measured, its actual effect played is the rotational angle length distance of locus being converted into rotating disk 1 by the stroke of measurement bar 2, and then pass through the measurement of magnetism encoder 3 pairs of rotating disk 1 rotational angles, the magnetic signal of generation is converted to electric signal and exports controller to, and then controller processes electric signal, convert the flexible numerical value obtaining and measure bar 2, exported by follower.
Here it should be noted that, snail shape is wound in the measurement bar 2 of rotating disk 1, it is different that its skin stretches out the state of stretching out from internal layer, specifically, the diameter of outer measurement bar 2 is larger, the length of stretching out a circle is longer, internal layer then a circle to measure the length of bar 2 shorter, and for rotating disk 1, it is all rotation one circle respectively that corresponding skin and internal layer measure bar 2, namely 360 degree, thus, for magnetism encoder 3, its rotational angle according to rotating disk 1 release electric signal, and controller is arranged, controller is compensated measuring bar 2 numerical bias that stretches out that is outer and internal layer different-diameter, the compensation operation of controller is according to the overall initial plane helical structure external diameter measuring bar 2, and the data such as wall thickness measuring bar 2 compensate computing, this just can ensure the accuracy of measurement.
Therefore the tape measure that the present embodiment provides when measuring space to be measured by exporting the distance in flexible numerical value and automatic-prompting space to be measured, can significantly improve accuracy and the convenience of measurement.
For above-described embodiment, magnetism encoder 3 comprises magnetoresistive transducer and magnetoelectricity code-wheel.Magnetoelectricity code-wheel radially circumferential interval is provided with multiple magnet unit, and magnetoelectricity code-wheel is servo-actuated and be installed on rotating disk 1 coaxially; Magnetoresistive transducer is located at magnetoelectricity code-wheel avris, and magnetoresistive transducer, according to the magnetic signal of the rotation induction magnetoelectricity code-wheel of rotating disk 1, produces electric signal.Under the structure of one is installed coaxially at magnetoelectricity code-wheel and rotating disk 1, fully can ensure the synchronous of rotation, and then ensure the accuracy of measurement.
On the basis of above-described embodiment, in another embodiment, tape measure is set and also comprises the first operating key be connected with controller, follower is set and comprises voice announcer and/or information generator, wherein:
Voice announcer, when the first operating key is triggered, can send the voice messaging of the flexible numerical value recorded in real time;
Information generator, when the first operating key is triggered, exports the flexible numerical value recorded in real time to monitor terminal by wired or wireless syndeton.
Thus, this tape measure can carry out transmission with monitoring terminal equipment and be connected, and this makes to measure the data obtained can the monitoring of monitored device record.In addition, in measuring process, when measuring bar 2 and measuring alignment locus to be measured, by triggering the first operating key on tape measure, the voice messaging of flexible numerical value just can be obtained by voice announcer.Setting so further increases the convenience of measurement.
For the monitor terminal accepting measurement data proposed in a upper embodiment, PC can be set to, i.e. computer, mobile phone, bluetooth earphone or panel computer.
In another embodiment, arrange tape measure and also comprise the second operating key be connected with controller, controller record second operating key is triggered the flexible numerical value in moment.Arrange thus, measure time, under measuring the location status measuring bar, by trigger the second operating key just automatically record surveys stretch numerical value.Which further improves the convenience of measurement operation.
In another embodiment, display can be set as follower, just can the flexible numerical value of display measurement bar in real time by display, high to the reading convenience of numerical value flexible on display.Display can apply LED, i.e. light-emitting diode display, and its brightness is high, and durability is strong.
On the basis of the various embodiments described above, tape measure is also provided with and is positioned at the trigger switch 4 measuring bar 2 exit position and the trigger end 21 being arranged on measurement bar 2 outer end, trigger switch 4 is connected with controller, after measurement bar 2 is retracted, when under the state that trigger end 21 pairs of trigger switches 4 trigger, representative is measured bar 2 and to be retracted completely original position, then carry out signal transmission by trigger switch 4 pairs of controllers, carried out the clearing of flexible numerical value by controller.Thus, when each measurement bar retraction original position, controller completes a clear operation, which avoid the cumulative errors because of the formation of the reason such as structural deviation, calculation deviation that repetitive measurement causes, which further improves the accuracy of measurement.
For trigger switch 4, more preferably structure can be applied and comprise voltage dependent resistor (VDR), and it responds accurately and portable construction, certainly, can also apply other structures and trigger.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a tape measure, comprise the rotating disk (1) that can rotate and the measurement bar (2) being wound in described rotating disk (1), the rotation of described rotating disk (1) is synchronized with the flexible of described measurement bar (2), it is characterized in that, also comprise magnetism encoder (3), controller and follower, wherein:
Described magnetism encoder (3) produces electric signal according to the rotation of described rotating disk (1);
Described controller is connected with described magnetism encoder (3), and being converted by described electric signal obtains the flexible numerical value of described measurement bar (2);
Described follower is connected with described controller, exports described flexible numerical value.
2. tape measure as claimed in claim 1, it is characterized in that, described magnetism encoder (3) comprises magnetoresistive transducer and magnetoelectricity code-wheel; Described magnetoelectricity code-wheel radially circumferential interval is provided with multiple magnet unit, and described magnetoelectricity code-wheel is servo-actuated and be installed on described rotating disk (1) coaxially; Described magnetoresistive transducer is located at described magnetoelectricity code-wheel avris, and described magnetoresistive transducer responds to the magnetic signal of described magnetoelectricity code-wheel according to the rotation of described rotating disk (1), produces described electric signal.
3. tape measure as claimed in claim 2, it is characterized in that, also comprise the first operating key be connected with described controller, described follower comprises voice announcer and/or information generator, wherein:
Described voice announcer, when described first operating key is triggered, sends the voice messaging of the described flexible numerical value recorded in real time;
Described information generator, when described first operating key is triggered, exports the described flexible numerical value recorded in real time to monitor terminal by wired or wireless syndeton.
4. tape measure as claimed in claim 3, it is characterized in that, described monitor terminal comprises PC, mobile phone, bluetooth earphone or panel computer.
5. tape measure as claimed in claim 2, is characterized in that, also comprise the second operating key be connected with described controller, and the second operating key described in described controller record is triggered the flexible numerical value in moment.
6. tape measure as claimed in claim 1, it is characterized in that, described follower is display, and described display shows described flexible numerical value in real time.
7. the tape measure as described in any one of claim 1 to 6, it is characterized in that, also comprise the trigger switch (4) of measurement bar (2) exit position being located at described tape measure and be located at the trigger end (21) of described measurement bar (2) outer end; Described trigger switch (4) is connected with described controller, and described controller triggers described trigger switch (4) by described trigger end (21) and resets described flexible numerical value.
8. tape measure as claimed in claim 7, it is characterized in that, described trigger switch (4) comprises voltage dependent resistor (VDR), and described trigger switch (4) compresses described voltage dependent resistor (VDR) by described trigger end (21) and triggers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510828754.0A CN105258587A (en) | 2015-11-25 | 2015-11-25 | Tape measure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510828754.0A CN105258587A (en) | 2015-11-25 | 2015-11-25 | Tape measure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105258587A true CN105258587A (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510828754.0A Pending CN105258587A (en) | 2015-11-25 | 2015-11-25 | Tape measure |
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| CN (1) | CN105258587A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI600880B (en) * | 2016-05-06 | 2017-10-01 | 遠東科技大學 | A measurement device with wireless transmitting and audio functions |
| CN108496054A (en) * | 2016-09-13 | 2018-09-04 | 贝果实验室有限公司 | Length measurment device and its control method |
| KR20190018360A (en) * | 2017-08-14 | 2019-02-22 | 주식회사 베이글랩스 | Length measuring device and control method thereof |
| KR20190130529A (en) * | 2019-11-11 | 2019-11-22 | 주식회사 베이글랩스 | Length measuring device and control method thereof |
| CN110608757A (en) * | 2019-08-12 | 2019-12-24 | 珠海市易迅科技有限公司 | Digital tape, coding device for digital tape and corresponding measuring method |
| CN110809703A (en) * | 2017-12-29 | 2020-02-18 | 仁川测机株式会社 | Length measuring device and system |
| CN110836622A (en) * | 2019-11-04 | 2020-02-25 | 傲基科技股份有限公司 | Computing method and device of electronic readable pull rule and readable storage medium |
| CN114616436A (en) * | 2020-09-30 | 2022-06-10 | 富士通电子零件有限公司 | Measuring device |
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| TWI600880B (en) * | 2016-05-06 | 2017-10-01 | 遠東科技大學 | A measurement device with wireless transmitting and audio functions |
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| CN114616436A (en) * | 2020-09-30 | 2022-06-10 | 富士通电子零件有限公司 | Measuring device |
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