CN2697587Y - Displacement sensor and body antexion measurer - Google Patents
Displacement sensor and body antexion measurer Download PDFInfo
- Publication number
- CN2697587Y CN2697587Y CN 03214127 CN03214127U CN2697587Y CN 2697587 Y CN2697587 Y CN 2697587Y CN 03214127 CN03214127 CN 03214127 CN 03214127 U CN03214127 U CN 03214127U CN 2697587 Y CN2697587 Y CN 2697587Y
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- displacement
- rule bar
- induction
- induction installation
- gliding mass
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Abstract
The utility model relates to a displacement sensor and a measurer for sitting position body anteflexion. The displacement sensor is a transmitting device for measuring the variation of displacement by an optoelectronics method, and the measurer for sitting position body anteflexion is a measurer which utilizes the transmitting device to measure sitting position body anteflexion. The displacement sensor comprises a graduated scale bar and an optical coupling induction sliding mass which are in a sliding fit. The calibration of the graduated scale bar is replaced by a phototonus calibration gap; on the optical coupling induction sliding mass, a plurality of phototonus components are arranged on both sides of a graduated scale line by the structure of double ear straight cutting; the measurer for sitting position body anteflexion carries out arithmetic processing to the measurement relationship between the phototonus components and graduated scale bar by a central control chip of a monolithic computer to obtain the measuring result of displacement. The technology of the utility model has the characteristics of high precision and long service life.
Description
Technical field
The utility model relates to a kind of induction installation that changes with the photoelectric detecting method inductive displacement and use the electronic gauge that this induction installation realizes that the seat trunk bending forwards is measured.
Background technology
Existing displacement measurement adopts the rheostat method usually, slide rheostat by precision becomes displacement into corresponding electric signal, thereby constituting its sensing becomes and send part to carry out survey record work, the major technique defective that this technological means exists is: after repeatedly using, because of back and forth rubbing to slide on resistive element, the displacement moving-member cause resistive element to wear and tear day by day, its measuring accuracy also causes thereupon descending gradually can't normal use, and the normal operating period is shorter.Use this technology and realize same this critical defect that exists of seat trunk bending forwards measurement,, brought many inconvenience to this physique project testing that is used to weigh the human body degree of flexibility.
The utility model content
How to avoid the wearing and tearing that move back and forth between the sensing component, the electric signal of realizing linearity or approximately linear displacement transforms, further realizing seat trunk bending forwards physique project survey, is the utility model patented claim technical scheme primary technical matters to be solved.
The technical scheme of a cover displacement induction installation disclosed in the utility model, its major technique content is: this apparatus structure is formed the optocoupler induction gliding mass that includes the rule bar and be slidingly matched with the rule bar, and each scale label of rule bar is replaced by a scale slit that penetrates that is used for the photoinduction scale mark; Be provided with some photoinduction parts with ears straight cutting structure across rule bar both sides on the optocoupler induction gliding mass, the photoinduction parts set gradually along the extension of rule bar, the number of photoinduction parts is identical with the adjacent cells conversion system of scale label, and distance is adjacent cells conversion system ± 1 between the adjacent light inductive means.
The utility model also provides a kind of electronic gauge technical scheme that adopts above-mentioned displacement induction installation to realize the seat trunk bending forwards, the major technique content of this technical scheme is: this measuring instrument includes displacement induction installation and data acquisition process part, the displacement induction installation is fixedly installed on the right angle support, one vertical plane of right angle rack is positioned at the position at zero point of rule bar, two of rule bar position at zero point is extended side and is respectively positive displacement graduated scale and negative displacement graduated scale, data acquisition process partly is the central control unit that constitutes with singlechip chip, its I/O mouth is connected with switch control unit respectively, data display unit and IC-card read-write cell, each optical coupling part receiving tube output terminal of displacement induction installation is electrically connected with one group of I/O FPDP of single-chip microcomputer successively.
The displacement induction installation that the utility model provides, changed the state of the art that the friction way of contact between the displacement moving-member of induction installation and the resistive element realizes the electrical signal conversion of displacement fully, it is with non-contacting optoelectronic induction parts---photoelectrical coupler matches with the scale label slit of rule bar, the electric signal of realizing displacement transforms, so can prolong the normal operating period greatly, and no longer be subjected to the influence of the sensing element degree of wear, particularly present technique has the spacing of some optical coupling parts to be provided with between aspect and the scale label slit spacing to have adopted corresponding mathematical combination pattern, reduced influence error, thereby guaranteed the measurement high precision, be applied to seat trunk bending forwards measurement and also can realize high precision, digitized measurement, realize the advantage of robotization access, by the IC-card read-write cell, finish the direct preservation of measurement data, also be convenient to the foundation of database, be classification, gather, operations such as retrieval provide convenience.
Description of drawings
Fig. 1 is the general assembly structural drawing of displacement induction installation
Fig. 2, Fig. 3 are respectively longitudinal profile, the cross section structure synoptic diagram of displacement induction installation
Fig. 4 is the structural representation that is supported by right angle rack
Fig. 6, Fig. 5 are respectively the data acquisition process part and the circuit theory diagrams of switch element wherein.
Embodiment
More than each structural drawing concrete composition structure of having shown the displacement induction installation and having included the seat trunk bending forwards measuring instrument of this displacement induction installation constitute.Wherein, the optocoupler induction gliding mass 2 that the displacement induction installation includes rule bar 1 and reciprocatingly slides on rule bar 1 and be equipped with, rule bar 1 is got up by horizontal support by the support assembling at its two ends.In the present embodiment structure, the downside of rule bar 1 is provided with scale label, the per unit scale label is provided with the scale slit 10 of a replacement scale label line, the top of rule bar 1 is provided with the slideway 11 that slides along the chi bar for optocoupler induction gliding mass 2, optocoupler induction gliding mass 2 bottom surface center lines are provided with and fall within slideway 11, the chute 20 that is slidingly matched with slideway 11, on the both side edges of chute 20, be fixed with some photoinduction parts 22 successively along rule bar 1 and the both sides that are positioned at the scale slit 10 of chi bar, this structure makes photoinduction parts 22 be driven and can be free to slide on rule bar 1 by optocoupler induction gliding mass 2, do not contact, realize the linear measure longimetry of displacement by photoinduction parts 22 continuous variation of conducting and partition state in moving with rule bar 1.
The number that the photoinduction parts are provided with should be identical with the scale label adjacent cells conversion system of rule bar 1.The scale label adjacent cells conversion system of rule bar 1 is generally the decimal system, as 1cm=10mm, then the number that is provided with of photoinduction parts is ten, spacing between the photoinduction parts should be set at: photoinduction parts spacing=conversion system ± 1, particularly, if the spacing unit in scale slit be 1cm (=10mm), then the absolute spacing between the photoinduction parts is 9mm or 11mm.In the process that photoinduction parts 22 slide on rule bar 1, no matter when, ten photoinduction parts successively and must have one to be in conducting state, these photoinduction parts pass through correspondingly signal conveys line output high-low level variable signal, can be convenient to carry out data acquisition process, so that draw its displacement measurement.
The utility model also utilizes above-mentioned displacement induction installation, has designed a kind of electronic measuring instrument that is used to detect trunk bending forwards degree of flexibility under people's sitting posture situation.This seat trunk bending forwards measuring instrument includes displacement sensing part and data acquisition process part, its displacement sensing partly is to be made of right angle rack 3, the displacement induction installation that is arranged on the right angle rack 3, wherein, at least be provided with a straight vertical edged surface 30 in the right angle rack 3, in order that after the experimenter is sat down, instep is abutted in the reference field that this straight vertical edged surface constitutes, form the preceding initial sitting posture of test; This straight vertical edged surface 30 is propped up rule bar 1 with another supporting surface 31 of right angle rack as the support body level, and optocoupler induction gliding mass 2 sliding and running on rule bar 1, the front end of optocoupler induction gliding mass 2 are provided with a push pedal 27 of being convenient to the effect of experimenter's hand push.In the present embodiment, data acquisition process is that control center constitutes with singlechip chip IC1 partly, each output terminal of receiving tube of photoinduction parts 01-010 in the displacement induction installation is connected successively with one group of I/O mouth terminals of singlechip chip IC1, is used for exporting photoinduction parts 22 and is moving the high-low level that produces; Single-chip microcomputer IC1 detects the level signal of photoinduction parts 01-010 output in processing successively, be set at a centimetre signal sampling channel with wherein the first photoinduction parts, it is one centimetre that single-chip microcomputer IC1 will change metering to the conducting state each time of its inquiry, thereby the high-low level changing value that the cms on the rule bar 1 just is converted into these first photoinduction parts sends the metering that single-chip microcomputer carries out centimetre value to, all the other 9 photoinduction parts are then represented the metering unit of 1-9mm successively, wherein which optical coupling part conducting, single-chip microcomputer IC1 just adds up the millimeter value of its representative with a centimetre value of having measured, thereby finally measures experimenter's measurement result.
In the present embodiment, another group I/O port connection of single-chip microcomputer IC1 is provided with data display unit and IC-card read-write cell, for realizing remote main frame IC-card read-write operation, in the present embodiment, data transmission mouth PD0 by single-chip microcomputer IC1, PD1 is through communication level transferring chip IC2, connecting interface J3 links to each other with the main control system data line, be connected with the IC-card read-write operation that the IC-card read-write cell is realized measurement result by this main control system, the LED that singlechip chip IC1 also connects by the PD7 pin sends the light shows signal of data to main frame output data process; As shown in the figure, PB0, the PB1 of the I/O port of single-chip microcomputer, PB2 end is respectively as WR end, CS end and the DA end of the data display unit of measurement result, link to each other with LCDs through connecting interface J2, J2 also is connected with switch control unit by this interface, the gauge tap of this unit includes power control switch POWER, reset switch CLR, CH1 and CH2, and these gauge tap are arranged on the upper surface of optocoupler induction gliding mass 2.In the present embodiment, data acquisition process part can to respond to the gliding mass assembling as a whole with optocoupler, and battery-powered work, and its power circuit is made of single bistable circuit that triggers.
Claims (5)
1, a kind of displacement induction installation, it is characterized in that the optocoupler induction gliding mass (2) that this apparatus structure composition includes rule bar (1) and is slidingly matched with rule bar (1), each scale label of rule bar (1) is replaced by a scale slit (10) that penetrates that is used for the photoinduction scale mark; Optocoupler induction gliding mass (2) is gone up and is provided with some photoinduction parts (22) with ears straight cutting structure across rule bar both sides, the photoinduction parts set gradually along the extension of rule bar (1), the number of photoinduction parts is identical with the adjacent cells conversion system of scale label, and distance is adjacent cells conversion system ± 1 between the adjacent light inductive means.
2, displacement induction installation according to claim 1, the top that it is characterized in that rule bar (1) is the slideway (11) that slides for optocoupler induction gliding mass (2), optocoupler induction gliding mass (2) bottom surface midline position is provided with and falls within the chute (20) that slideway (11) is gone up and slideway (11) is slidingly matched, and is fixed with photoinduction parts (22) on the both side edges of optocoupler induction gliding mass chute (20).
3, induction installation according to claim 1, the spacing that it is characterized in that the scale slit is 10mm=1cm, the spacing of photoinduction parts is 9mm or 11mm.
4, the seat trunk bending forwards measuring instrument that comprises the displacement induction installation of claim 1, it is characterized in that this measuring instrument also includes the data acquisition process part, the displacement induction installation is fixedly installed on the right angle support (3), one vertical plane (30) of right angle rack is positioned at the position at zero point of rule bar, two of rule bar position at zero point is extended side and is respectively positive displacement graduated scale and negative displacement graduated scale, data acquisition process partly is to be central control unit with singlechip chip (IC1), its I/O mouth is connected with switch control unit respectively, data display unit and IC-card read-write cell, each photoinduction parts receiving tube output terminal of displacement induction installation is connected with one group of I/O FPDP of single-chip microcomputer successively.
5, measuring instrument according to claim 4, it is characterized in that data acquisition processing circuit is assembled in the optocoupler induction gliding mass, data acquisition processing circuit links to each other with the main control system that is provided with the IC-card read-write cell by data transmission interface (J3), is provided with communication level transferring chip (IC2) between the data transmission mouth of the single-chip microcomputer in data acquisition processing circuit and the interface (J3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03214127 CN2697587Y (en) | 2003-08-05 | 2003-08-05 | Displacement sensor and body antexion measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03214127 CN2697587Y (en) | 2003-08-05 | 2003-08-05 | Displacement sensor and body antexion measurer |
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| Publication Number | Publication Date |
|---|---|
| CN2697587Y true CN2697587Y (en) | 2005-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03214127 Expired - Lifetime CN2697587Y (en) | 2003-08-05 | 2003-08-05 | Displacement sensor and body antexion measurer |
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| CN (1) | CN2697587Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435097C (en) * | 2006-12-12 | 2008-11-19 | 北京北大方正电子有限公司 | Method for independently setting unit for transverse and vertical scale |
| CN100529649C (en) * | 2007-11-30 | 2009-08-19 | 山东大学 | Three-dimensional cracks space positioning apparatus |
| CN101498571B (en) * | 2008-01-29 | 2011-02-09 | 三丰株式会社 | Measuring apparatus |
| CN102749055A (en) * | 2012-07-10 | 2012-10-24 | 董欣 | Interactive displacement measurement system |
| CN103900515A (en) * | 2014-04-01 | 2014-07-02 | 苏州博众精工科技有限公司 | Detection mechanism for detecting product height |
| CN105627902A (en) * | 2016-03-02 | 2016-06-01 | 河南平高电气股份有限公司 | Linear displacement sensor device |
| RU2591603C1 (en) * | 2014-12-26 | 2016-07-20 | Общество с ограниченной ответственностью "Научно-производственное предприятие "Навигатор здоровья", ООО "НПП "Навигатор здоровья" | Hardware and software complex for measurement and integral estimation of spine flexibility and hip joint mobility in forward and downward inclination test |
| TWI598075B (en) * | 2016-08-09 | 2017-09-11 | 崑山科技大學 | Sit and reach detector system and method thereof |
-
2003
- 2003-08-05 CN CN 03214127 patent/CN2697587Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435097C (en) * | 2006-12-12 | 2008-11-19 | 北京北大方正电子有限公司 | Method for independently setting unit for transverse and vertical scale |
| CN100529649C (en) * | 2007-11-30 | 2009-08-19 | 山东大学 | Three-dimensional cracks space positioning apparatus |
| CN101498571B (en) * | 2008-01-29 | 2011-02-09 | 三丰株式会社 | Measuring apparatus |
| CN102749055A (en) * | 2012-07-10 | 2012-10-24 | 董欣 | Interactive displacement measurement system |
| CN103900515A (en) * | 2014-04-01 | 2014-07-02 | 苏州博众精工科技有限公司 | Detection mechanism for detecting product height |
| CN103900515B (en) * | 2014-04-01 | 2016-05-25 | 苏州博众精工科技有限公司 | A kind of testing agency of testing product height |
| RU2591603C1 (en) * | 2014-12-26 | 2016-07-20 | Общество с ограниченной ответственностью "Научно-производственное предприятие "Навигатор здоровья", ООО "НПП "Навигатор здоровья" | Hardware and software complex for measurement and integral estimation of spine flexibility and hip joint mobility in forward and downward inclination test |
| CN105627902A (en) * | 2016-03-02 | 2016-06-01 | 河南平高电气股份有限公司 | Linear displacement sensor device |
| CN105627902B (en) * | 2016-03-02 | 2018-06-08 | 河南平高电气股份有限公司 | A kind of linear displacement transducer device |
| TWI598075B (en) * | 2016-08-09 | 2017-09-11 | 崑山科技大學 | Sit and reach detector system and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130805 Granted publication date: 20050504 |