CN105212939A - Portable height instrument - Google Patents
Portable height instrument Download PDFInfo
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- CN105212939A CN105212939A CN201510737733.8A CN201510737733A CN105212939A CN 105212939 A CN105212939 A CN 105212939A CN 201510737733 A CN201510737733 A CN 201510737733A CN 105212939 A CN105212939 A CN 105212939A
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Abstract
The present invention discloses a kind of Portable height instrument, comprises main measuring device, and described main measuring device comprises: the infrared distance measuring module going out analogue signal for measuring distance Data Concurrent, comprises RF transmitter and infrared receiver; ADC module, for range data measured by receiving infrared-ray range finder module analogue signal and be converted to digital signal; Processor, for controlling infrared distance measuring module, and to ADC module forwards come digital signal process and computing to obtain height data accurately; Display module, for the height data obtained after video-stream processor computing; Switch and key-press module, be connected to operate and control main measuring device with processor; And supply module.The present invention is by each modular integrated, and structure is simple, compact, and carry and use all very convenient, cheap, power consumption is little, and service time is long; And effectively make use of infrared distance measuring principle and measure height, precision is high, and function-stable is reliable, practical.
Description
Technical field
The present invention relates to body height measuring device technical field, refer in particular to Portable height instrument.
Background technology
When measuring Human Height, measuring instrument develops into electronic type height instrument by traditional Purely mechanical height instrument gradually.Although existing electronic type measuring instrument can improve precision, height instrument is often all combined into a product with weight meter, cause overall structure relative complex, volume is relatively large, and portability is poor, and cost is high.Existing instrument for measuring height is all based on ultrasonic ranging principle, and ultrasonic measuring distance technology is owing to being subject to the impact of periphery factor, and such as temperature, humidity, magnetic field, surface state all can cause comparatively big error to measurement, and cannot reach good measurement effect.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of Portable height instrument, carry and use all very convenient, and certainty of measurement is high.
For solving the problems of the technologies described above, the invention provides following technical scheme: a kind of Portable height instrument, comprises main measuring device, described main measuring device comprises:
For the measuring distance data also corresponding infrared distance measuring module sending analogue signal, it comprises the RF transmitter and infrared receiver that cooperatively interact;
ADC module, for range data measured by receiving infrared-ray range finder module analogue signal and be converted to digital signal;
Processor, for controlling described infrared distance measuring module, and to ADC module forwards come digital signal process and computing to obtain height data accurately;
Display module, for the height data obtained after video-stream processor computing;
Switch and key-press module, be connected to operate with described processor and control described main measuring device; And
For the supply module that each power-consuming component is powered.
Further, described Portable height instrument also comprises the reflecting plate coordinated with the infrared distance measuring module of described main measuring device, and described reflecting plate and infrared distance measuring module are oppositely arranged with the infrared reflection sent by RF transmitter in vertical direction to infrared receiver.
Further, described Portable height instrument also comprises the upper component height governor motion main measuring device being mounted to measured's body overhead place as upper measurement components.
Further, one in described main measuring device and reflecting plate is upper measurement components, and another is lower measurement components, and described Portable height instrument also comprises the upper component height governor motion upper measurement components being mounted to measured's body overhead place.
Further, the perpendicular slide rail that described upper component height governor motion comprises mount pad, is arranged at the sucker of mount pad first side and is arranged on mount pad second side, described upper measurement components is slidedly arranged on described perpendicular slide rail.
Further, described main measuring device also comprises at least one in following assembly:
Be connected with the buzzer of the working condition of reminding the main measuring device of user of sounding according to the instruction of processor with processor;
Be connected with processor, for detecting the balance sensor of main measuring device whether level.
Further, described switch and key-press module comprise on and off switch, start the measurement button of measurement function and arrange the time delay button of Time delay measurement function.
Further, described Portable height instrument also comprises the lower assembly lifting support for lower measurement components being positioned to desired height position place.
Further, described lower assembly lifting support comprises at least three telescopic supporting legs and is arranged at the perpendicular telescoping tube on feet top, is provided with the mounting platform installing described main measuring device or reflecting plate on perpendicular telescoping tube top.
Further, at least one in described main measuring device and reflecting plate is accordion structure.
After adopting technique scheme, the present invention at least has following beneficial effect: the present invention is by each modular integrated, and product structure is simple, compact, and carry and use all very convenient, cheap, power consumption is little, and service time is long; And effectively make use of infrared distance measuring principle and measure height, certainty of measurement is high, and function-stable is reliable, practical.Meanwhile, can also arrange in pairs or groups conventional bulk restatement or electronic body weightometer of height instrument of the present invention uses jointly, more increases convenience.
Accompanying drawing explanation
Fig. 1 is the triangulation range measurement principle schematic diagram of Portable height instrument of the present invention.
Fig. 2 is output voltage and the measuring distance graph of a relation of the infrared distance measuring module of Portable height instrument of the present invention.
Fig. 3 is the functional module theory diagram of the main measuring device of Portable height instrument of the present invention.
Fig. 4 is the main measuring device schematic appearance of Portable height instrument of the present invention.
Fig. 5 is the functional module theory diagram of main another embodiment of measuring device of Portable height instrument of the present invention.
Fig. 6 is the metering system schematic diagram of the first embodiment of Portable height instrument of the present invention.
Fig. 7 is the metering system schematic diagram of the second embodiment of Portable height instrument of the present invention.
Fig. 8 is the structural representation of the upper component height governor motion of Portable height instrument of the present invention.
Fig. 9 is the structural representation of the lower assembly lifting support of Portable height instrument of the present invention.
Figure 10 is that the main measuring device of Portable height instrument of the present invention is assembled in the top view after on lower assembly lifting support.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can be combined with each other, and are described in further detail the present invention below in conjunction with the drawings and specific embodiments.
The present invention is a kind of Portable height instrument based on infrared distance measuring principle design.Because the material of infrared rays survey and testee, ambient temperature and Measuring Time are all irrelevant, do not need to compensate environmental factors, thus can measuring distance more accurately.The present invention utilizes this characteristic of infrared ray to carry out height measurement, and the Principle Method of its range finding is triangulation.Infrared distance measuring amount principle can be as shown in Figure 1, RF transmitter 90 and infrared receiver 92 are arranged in same level, be projeced on object being measured 94 after its transmitter lens 91 of the infrared penetration that RF transmitter 90 sends, the infrared ray reflected by object being measured 94 again through receptor lens 93 finally receive by infrared receiver 92, and infrared receiver 92 can obtain a deviant after the infrared ray reflected being detected.Suppose: residing for transmitter lens 91 and receptor lens 93, the height distance of plane and object being measured 94 is L, transmitter lens 91 is A with the horizontal range degree of receptor lens 93, the focal length of receptor lens 93 is f, and the optical point deviant of infrared receiver 92 is X.Then the desirable geometrical relationship of this triangulation is X=(A*f)/L, can obtain after fortran: L=(A*f)/X(source of data: Sharp infrared transceiver module application manual), and the optical point offset distance X measured, through the process of infrared distance measuring inside modules, be converted to an analog voltage signal and export.As shown in Figure 2, magnitude of voltage and the distance L recorded of output meet " distance-voltage " characteristic curve of demarcation, and as can be seen from Figure 2, the reflecting plate 2 of different colours has different reflectance, but " distance-voltage " characteristic curve matches substantially.According to this characteristic curve, the corresponding relation of voltage and distance can be obtained, and according to the magnitude of voltage recorded, corresponding distance value can be calculated.
Based on above principle, the invention provides a kind of Portable height instrument, as shown in Fig. 3 ~ Figure 10, it comprises main measuring device 1, reflecting plate 2, upper component height governor motion 3 and lower assembly lifting support 4.
Wherein, described main measuring device 1 comprises:
For the measuring distance data also corresponding infrared distance measuring module 10 sending analogue signal, it comprises the RF transmitter 100 and infrared receiver 102 that cooperatively interact, in the specific implementation, RF transmitter 100 can adopt infrared LEDs, and the ultrared wavelength launched is preferably 850nm ± 70nm, described infrared receiver 102 can adopt position sensitive detector to form;
ADC module 11, i.e. analog-digital converter (AnalogtoDigitalConverter), its analogue signal for range data measured by receiving infrared-ray range finder module 10 is also converted to digital signal, described ADC module preferably adopts 10bit modulus conversion chip, the certainty of measurement of height can be brought up to 0.1cm;
Processor 12, for controlling described infrared distance measuring module 10, and to ADC module 11 forward come digital signal process and computing to obtain height data accurately, when specifically implementing, high-speed microprocessor can be adopted as processor 12;
Display module 13, for the height data obtained after video-stream processor 12 computing, preferably, described display module is backlight LCD screen, certainly, in some simple product, also directly can adopt the low cost display uniies such as charactron;
Switch and key-press module 14, be connected to operate and control described main measuring device 1 with described processor 13, in the specific embodiment of as shown in Figure 4, described switch and key-press module 14 comprise on and off switch 140, start the measurement button of measurement function (scheming not shown) and the button such as the time delay button 144 arranging Time delay measurement function, be understandable that, according to set function, can be corresponding; And
For the supply module 15 that each power-consuming component is powered, it mainly includes battery and DC-DC booster circuit, exports again, thus can have stable power supply supply after the output voltage of battery being raised after stabilizing to 5V unidirectional current.
Described main measuring device 1 also can comprise and being connected with the buzzer 16 of the working condition of reminding the main measuring device 1 of user of sounding according to the instruction of processor 12 with processor 12.
Described reflecting plate 2 is for coordinating with the infrared distance measuring module 10 of main measuring device 1, and described reflecting plate 2 is oppositely arranged with the infrared reflection sent by RF transmitter 100 to infrared receiver 102 in vertical direction with infrared distance measuring module 10.
At least one be designed to accordion structure in both described main measuring device 1 and reflecting plate 2, thus reduction volume can be folded up when not using, convenient collection.
When reality uses, one in both described main measuring device 1 and reflecting plate 2 is upper measurement components, and another is lower measurement components, and upper measurement components is mounted to measured's body overhead place by means of upper component height governor motion 3.Such as, in the embodiment shown in fig. 6, reflecting plate 2 is mounted to measured's body overhead place as upper measurement components by means of upper component height governor motion 3, and main measuring device 1 is as lower measurement components, is directly placed on ground that measured stands.Certainly, also can location swap, that is: main measuring device 1 is mounted to measured's body overhead place as upper measurement components by means of upper component height governor motion 3, and reflecting plate 2 is as lower measurement components, is directly placed on ground that measured stands.
In the specific implementation, the reflecting properties on the ground 6 also can stood according to measured determines whether to need to adopt reflecting plate 2, if the reflectance on ground 6 is enough, then can embodiment as shown in Figure 7, main measuring device 1 is mounted to measured's body overhead place as upper measurement components by means of upper component height governor motion 3, and reflecting plate 2 need not be used, only rely on ground to carry out reflecting the function that equally also can realize surveying height.
As shown in Figure 8, the perpendicular slide rail 34 that described upper component height governor motion 3 comprises mount pad 30, is arranged at the sucker 32 of mount pad 30 first side and is arranged on mount pad 30 second side, described upper measurement components is slidedly arranged on described perpendicular slide rail 34.When actual measurement, mount pad 30 is by sucker suction in the wall position suitable with measured's height, and upper measurement components can be elevated along perpendicular slide rail 34 and be resisted against the measured crown easily.
In a simple and easy embodiment, also can not need to arrange component height governor motion 3, and by a side of main measuring device 1 is fitted on wall, and live main measuring device 1 by measured with the crown, the function that height is measured can be realized too, now, further balance sensor 17 can be set on main measuring device 1, for detecting main measuring device 1 overhead whether level, when adjusting main measuring device 1 level, namely signal is sent to processor 12, processor 12 control again buzzer send " drip, drip " short song, prompting will start to measure.
Because infrared detection has certain effective detecting distance, measured's height is just difficult to effectively detect when exceeding maximum detection range, now, namely lower assembly lifting support 4 can be used for lower measurement components to be positioned to desired height position place, only need carry out Initialize installation to main measuring device 1 again, processor 12 can add the altitude information of described lower measurement components on the range data basis directly recorded, thus obtains the height data of measured.Existing can have multiple to the lifting support that supported object carries out altitude mixture control, as shown in FIG. 9 and 10, present invention employs more common tripod structure as lower assembly lifting support 4, its perpendicular telescoping tube 42 specifically comprising at least three telescopic supporting legs 40 and be arranged at feet 40 top, is provided with the mounting platform 44 installing described main measuring device 1 or reflecting plate 2 on perpendicular telescoping tube 42 top.
Specific embodiment below by way of several measurement height illustrates the function of Portable height instrument of the present invention.
Measure embodiment one
Step 1, lower measurement components is positioned on level ground, in the embodiment shown in fig. 7, is using main measuring device 1 as lower measurement components, and in the embodiment shown in fig. 8, is directly reflect with ground, then can omit this step;
Step 2, utilize sucker 32 to be adsorbed near the measured crown by means of upper component height governor motion 3 upper measurement components wall on, in the embodiment shown in fig. 7, using reflecting plate 2 as upper measurement components, and in the embodiment shown in fig. 8, be then using main measuring device 1 as upper measurement components;
Step 3, measured stand in below measurement components, the slide rail 34 of component height governor motion 3 in adjustment, make the bottom surface of measurement components just can encounter the crown of measured;
Step 4, start the power supply of main measuring device 1, and set delay time t;
Step 5, after t time delay second, namely main measuring device 1 measures height automatically, carries out in process in measurement, the short song that buzzer 16 sends " drip, drip ";
After step 6, measurement terminate, buzzer 16 sends yowl prompting sound, to remind gauger that measurement completes;
Display module 13 on step 7, main measuring device 1 shows height data in real time.
Measure embodiment two
When measured's height exceeds the maximum measuring range of Portable height instrument of the present invention, following steps can be adopted to carry out:
Step 1 is identical to step 5 with the step 1 measuring embodiment one to step 5;
Step 6, measurement terminate, and the buzzer 16 on main measuring device 1 sends two sound and yowls, and points out the current height that records beyond maximum measuring range;
Step 7, be assembled to by lower measurement components on the mounting platform at lifting support frame top, the height of the lower measurement components of adjustment to predetermined altitude value, and resets the initial value of main measuring device 1, then remeasures by the operation of above-mentioned steps 3 ~ step 5.
Step 8, measure and terminate after, buzzer 16 sends yowl prompting sound, and to remind gauger that measurement completes, now, the processor 12 on main measuring device 1 converts height again, and the height converted is outputted to display screen display translation.
Measure embodiment three
Measure embodiment one compared to above and measure embodiment two, this measurement embodiment three following steps 1 ' ~ step 3 ' instead of the step 1 ~ step 3 measured embodiment one and measure embodiment two:
Step 1 ': reflecting plate 2 is positioned on level ground as lower measurement components, if directly reflected with ground, then can omits this step;
Step 2 ': using main measuring device 1 as upper measurement components, main measuring device 1 is directly placed in the measured crown, and fits on wall with a side of main measuring device 1;
Step 3 ': adjust main measuring device 1 to level, namely balance sensor 17 sends detection signal to processor 12, controls by processor 12 the short song that buzzer 16 sends " drip, drip ".
Operating procedure afterwards can respectively with measurement embodiment one or to measure embodiment two identical.
This measuring method three positions and altitude mixture control main measuring device 1 without the need to adopting upper component height governor motion 3, and it is more convenient to operate.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is limited by claims and equivalency range thereof.
Claims (10)
1. a Portable height instrument, is characterized in that, it comprises main measuring device, and described main measuring device comprises:
For the measuring distance data also corresponding infrared distance measuring module sending analogue signal, it comprises the RF transmitter and infrared receiver that cooperatively interact;
ADC module, for range data measured by receiving infrared-ray range finder module analogue signal and be converted to digital signal;
Processor, for controlling described infrared distance measuring module, and to ADC module forwards come digital signal process and computing to obtain height data accurately;
Display module, for the height data obtained after video-stream processor computing;
Switch and key-press module, be connected to operate with described processor and control described main measuring device; And
For the supply module that each power-consuming component is powered.
2. Portable height instrument as claimed in claim 1, it is characterized in that, described Portable height instrument also comprises the reflecting plate coordinated with the infrared distance measuring module of described main measuring device, and described reflecting plate and infrared distance measuring module are oppositely arranged with the infrared reflection sent by RF transmitter in vertical direction to infrared receiver.
3. Portable height instrument as claimed in claim 1, it is characterized in that, described Portable height instrument also comprises the upper component height governor motion main measuring device being mounted to measured's body overhead place as upper measurement components.
4. Portable height instrument as claimed in claim 2, it is characterized in that, one in described main measuring device and reflecting plate is upper measurement components, and another is lower measurement components, described Portable height instrument also comprises the upper component height governor motion upper measurement components being mounted to measured's body overhead place.
5. the Portable height instrument as described in claim 3 or 4, it is characterized in that, the perpendicular slide rail that described upper component height governor motion comprises mount pad, is arranged at the sucker of mount pad first side and is arranged on mount pad second side, described upper measurement components is slidedly arranged on described perpendicular slide rail.
6. Portable height instrument as claimed in claim 1, it is characterized in that, described main measuring device also comprises at least one in following assembly:
Be connected with the buzzer of the working condition of reminding the main measuring device of user of sounding according to the instruction of processor with processor;
Be connected with processor, for detecting the balance sensor of main measuring device whether level.
7. Portable height instrument as claimed in claim 1, is characterized in that, described switch and key-press module comprise on and off switch, start the measurement button of measurement function and arrange the time delay button of Time delay measurement function.
8. Portable height instrument as claimed in claim 4, it is characterized in that, described Portable height instrument also comprises the lower assembly lifting support for lower measurement components being positioned to desired height position place.
9. Portable height instrument as claimed in claim 4, it is characterized in that, described lower assembly lifting support comprises at least three telescopic supporting legs and is arranged at the perpendicular telescoping tube on feet top, is provided with the mounting platform installing described main measuring device or reflecting plate on perpendicular telescoping tube top.
10. Portable height instrument as claimed in claim 2, is characterized in that, at least one in described main measuring device and reflecting plate is accordion structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510737733.8A CN105212939B (en) | 2015-10-31 | 2015-10-31 | Portable height instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737733.8A CN105212939B (en) | 2015-10-31 | 2015-10-31 | Portable height instrument |
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| CN105212939A true CN105212939A (en) | 2016-01-06 |
| CN105212939B CN105212939B (en) | 2018-11-20 |
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| CN201510737733.8A Active CN105212939B (en) | 2015-10-31 | 2015-10-31 | Portable height instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913336A (en) * | 2017-02-14 | 2017-07-04 | 山东博乐通信息科技有限公司 | Portable height instrument |
| CN108876968A (en) * | 2017-05-10 | 2018-11-23 | 北京旷视科技有限公司 | Recognition of face gate and its anti-trailing method |
| CN113768493A (en) * | 2021-08-06 | 2021-12-10 | 广东艾檬电子科技有限公司 | Height measuring method, height measuring equipment and computer readable storage medium |
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| CN204666238U (en) * | 2015-05-25 | 2015-09-23 | 上海翌森信息科技有限公司 | A kind of Human Height body weight body temperature auto testing instrument |
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| KR20060040566A (en) * | 2005-12-26 | 2006-05-10 | 주식회사 리얼디바이스 | Body Mass Index Kidney Weight |
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| CN106913336A (en) * | 2017-02-14 | 2017-07-04 | 山东博乐通信息科技有限公司 | Portable height instrument |
| CN108876968A (en) * | 2017-05-10 | 2018-11-23 | 北京旷视科技有限公司 | Recognition of face gate and its anti-trailing method |
| CN113768493A (en) * | 2021-08-06 | 2021-12-10 | 广东艾檬电子科技有限公司 | Height measuring method, height measuring equipment and computer readable storage medium |
| CN113768493B (en) * | 2021-08-06 | 2024-05-10 | 广东小天才科技有限公司 | Height measurement method, device and computer readable storage medium |
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| CN105212939B (en) | 2018-11-20 |
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