CN108784707B - Method capable of quickly adjusting permitted passing height of child height measuring equipment - Google Patents
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1075—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions by non-invasive methods, e.g. for determining thickness of tissue layer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/06—Children, e.g. for attention deficit diagnosis
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Abstract
The invention relates to the field of child height measuring equipment, and discloses a method capable of quickly adjusting the passing permission height of the child height measuring equipment. The method aims at regulating the passing permission height of the children height measuring equipment, firstly, the target intersection point height of a sensor simulation center line and a center line between two sensors is calculated through a formula, then an equal-height regulation and calibration auxiliary tool is arranged according to the target intersection point height, then the regulation and calibration auxiliary tool is placed on the center line between two diffuse reflection photoelectric sensors, and finally the diffuse reflection deflection angle of the diffuse reflection photoelectric sensors is gradually reduced until a cross bar positioned on the regulation and calibration auxiliary tool is detected, so that the passing permission height regulation work is completed, the regulation process can be simplified, the equipment regulation efficiency is improved, 2/3 regulation time can be saved compared with an original method, 50% of measurement precision is improved, and human resources and cost are greatly saved.
Description
Technical Field
The invention belongs to the field of child height measuring equipment, and particularly relates to a method capable of quickly adjusting the passing permission height of the child height measuring equipment.
Background
The height measuring device applied to CN201210117224.1 (an automatic ticket checking machine body height detector) in the prior art can judge whether the height of a passenger passing through the area between two diffuse reflection photoelectric sensors reaches the minimum paid height (for example, the child ticket free standard is 1.2M) by the diffuse reflection photoelectric sensors arranged on the two brake sides of the automatic ticket checking machine in pairs.
The optical characteristics of the diffuse reflection photoelectric sensor are as follows: the light that is emitted by the sensor is the invisible circular cone type light curtain of infrared ray, as long as the arbitrary part of testee shelters from the infrared ray light curtain and produces the reflection, the infrared ray of reflection back can be received by the sensor, this testee just can be detected by the sensor this moment, and as long as the testee is less than infrared ray light curtain lower limb, just can not be detected, so influence only infrared ray light curtain lower limb that detects the height, can regard as a simulation central line of emitting by the sensor central point to infrared ray light curtain that diffuse reflection sensor emitted equally according to above characteristic.
In children's height measuring equipment, diffuse reflection photoelectric sensor's mounted height all can be less than the detection height that actual need satisfied, generally all adopts the mode of facing upward to penetrate to satisfy the requirement to height detection height. The height detection is equivalent to that infrared rays are tangent to a detected object, and the tangent is detected.
At present, the method for quickly adjusting the passing permission height of the child height measuring equipment is mainly a physical method, namely, the child/dummy which just reaches the standard is positioned between two diffuse reflection photoelectric sensors for height detection, but the method has large error, and the adjusted passing permission height cannot be very accurate as long as the child/dummy slightly inclines or slightly deviates, so that time and labor are wasted. In addition, it may be necessary to have the child or dummy walk around constantly, further making alignment difficult.
Disclosure of Invention
In order to solve the above problems of the prior art, the present invention provides a method for quickly adjusting the allowable passing height of a child height measuring device.
The technical scheme adopted by the invention is as follows:
a method for enabling a rapid adjustment of the permitted transit height of a child's height measuring device, comprising the steps of:
s101, determining the allowable passing height HTAnd obtaining the standard head circumference S of the allowed passing childrenTAnd the installation height H of the left diffuse reflection photoelectric sensor and the right diffuse reflection photoelectric sensor in the child height measuring equipmentIAnd a horizontal spacing WI；
S102, calculating and adjusting the height H of the auxiliary calibrating tool according to the following formulaX：
The auxiliary adjusting and calibrating tool is an inverted L-shaped frame or a T-shaped frame composed of a vertical rod and a transverse rod, and the diameter of the transverse rod is the minimum detection size of the diffuse reflection photoelectric sensor;
s103, setting the height of the cross bar of the auxiliary adjusting and calibrating tool to be HXThen, placing the adjusting and calibrating auxiliary tool at the position of a center line between the left diffuse reflection photoelectric sensor and the right diffuse reflection photoelectric sensor;
s104, aiming at the diffuse reflection photoelectric sensor in the child height measuring equipment, firstly adjusting the diffuse reflection deflection angle theta in the horizontal direction to the maximum value, then gradually reducing the diffuse reflection deflection angle theta until a cross bar of the adjusting and calibrating auxiliary tool is detected, and fastening the diffuse reflection photoelectric sensor.
Preferably, in the step S101, the installation height H of the left diffuse reflection photoelectric sensor and the installation height H of the right diffuse reflection photoelectric sensor in the child height measuring device are measured and obtained by using a measuring rulerIAnd a horizontal spacing WI。
Preferably, if the diffuse reflection photoelectric sensor is provided with a detection indicator, in step S104, when the detection indicator is turned on, the diffuse reflection deflection angle θ of the diffuse reflection photoelectric sensor is stopped from being reduced.
Preferably, the cross bar is made of opaque tubing.
Preferably, the vertical rods and the cross rods are respectively made of PVC opaque pipes.
Optimally, in the adjusting and calibrating auxiliary tool of the inverted L-shaped frame, the vertical rod is vertically connected with the horizontal rod through the splicing right-angle adapter.
Preferably, the vertical rod is a vertical telescopic rod.
The invention has the beneficial effects that:
(1) the invention provides a method for quickly adjusting the passing permission height of a child height measuring device, which is to adjust the passing permission height of the child height measuring device, firstly calculate the target intersection point height between a sensor simulation center line and two sensors by a formula, then set an equal height adjusting and calibrating auxiliary tool according to the target intersection point height, then place the adjusting and calibrating auxiliary tool on the center line between two diffuse reflection photoelectric sensors, finally gradually reduce the diffuse reflection deflection angle of the diffuse reflection photoelectric sensors until a cross bar positioned on the adjusting and calibrating auxiliary tool is detected, complete the adjusting work of the passing permission height, further simplify the adjusting process, improve the adjusting efficiency of the device, save the adjusting time of 2/3 compared with the original method, and improve the measuring precision of 50 percent, manpower resources and cost are greatly saved;
(2) the adjusting and calibrating auxiliary tool used in the method has the advantages of convenient material acquisition, simple manufacture, convenient height adjustment, convenient storage and the like, and is convenient for practical application and popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for adjusting the height of a permitted passage according to the present invention.
Fig. 2 is a schematic diagram of the adjustment and calibration of the allowable pass height provided by the present invention.
Fig. 3 is a schematic structural diagram of an adjustment calibration auxiliary tool provided by the present invention.
In the above drawings: 1-diffuse reflection photoelectric sensor; 201-vertical bar; 202-a cross bar; 203-right angle adapter; 3-human head simulation ball.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.
Example one
As shown in FIGS. 1 to 3, the method for quickly adjusting the allowable passing height of the child height measuring device provided by the embodiment includes the following steps.
S101, determining the allowable passing height HTAnd obtaining the standard head circumference S of the allowed passing childrenTAnd the installation height H of the left diffuse reflection photoelectric sensor and the right diffuse reflection photoelectric sensor (1) in the child height measuring equipmentIAnd a horizontal spacing WI。
In the step S101, the allowable passing height HTIs set according to a target, for example, for a free-ticket child, the corresponding allowable passing height HTTypically 1.2M. The permitted passage children are the children reaching the permitted passage height HTOf a child of (2), its standard head circumference STThe method can be obtained by inquiring the existing head circumference medical standard of the corresponding child. In addition, the installation height H of the left diffuse reflection photoelectric sensor 1 and the right diffuse reflection photoelectric sensor 1 in the children height measuring equipment can be measured and obtained by using a measuring ruler (such as a ruler or a tape measure)IAnd a horizontal spacing WI。
S102, calculating and adjusting the height H of the auxiliary calibrating tool according to the following formulaX：
The auxiliary adjusting and calibrating tool is an inverted L-shaped frame or a T-shaped frame composed of a vertical rod 201 and a cross rod 202, and the diameter of the cross rod 202 is the minimum detection size of the diffuse reflection photoelectric sensor 1.
In the step S102, as shown in fig. 2, the height H of the calibration assistant tool is adjustedXNamely the target intersection point height of the simulated center line of the sensors and the center line between the two sensors, if the target intersection point height is set
Setting A as the distance between the highest point of the human head simulation ball 3 and the installation height of the diffuse reflection photoelectric sensor 1, setting B as the distance between the target intersection point of the simulation center line of the sensor and the center line between the two sensors and the installation height of the diffuse reflection photoelectric sensor 1, setting C as the calculation transition chord length, and setting alpha and beta as the calculation transition chord lengthCalculating a transition included angle, and setting theta as a diffuse reflection deflection angle to be adjusted, wherein the derivation process of the formula is as follows:
A＝HT-HI
by the formula, the target intersection point height between the simulated center line of the sensor and the center line between the two sensors can be calculated as long as a plurality of parameters which are easy to obtain are known. Taking the following parameters as examples, if the passing permission height is 1.3M, and the installation height of the two diffuse reflection photoelectric sensors 1 is 1M and the horizontal distance is 0.5M, the standard head circumference S of the passing permission child can be known according to the current medical standard inquiry result of the head circumference of the childT518mm, the target intersection height is 1363mm as calculated according to the foregoing formula.
In step S102, the adjustment and calibration auxiliary tool is used as a standard object to be measured in the alignment process, as shown in fig. 3, which may be exemplified by an inverted L-shaped frame composed of the vertical bar 201 and the horizontal bar 202. The adjusting and calibrating auxiliary tool can be processed and manufactured on site, and can also be assembled and adjusted by utilizing the existing structure. In order to ensure that the diffuse reflection photoelectric sensor 1 can accurately detect the rail 202 during the alignment process, the rail 202 is preferably made of opaque tubing. Specifically, the vertical rods 201 and the cross rods 202 are respectively made of PVC opaque pipes, so that the auxiliary calibration tool can be manufactured by drawing materials on site, is simple to manufacture and is beneficial to environmental protection. In addition, in order to conveniently store the whole adjusting and calibrating auxiliary tool, the vertical rod 201 and the cross rod 202 can be vertically connected through a plugging right-angle adapter 203, so that the assembling, using, storing and transporting purposes can be achieved in a detachable mode.
S103, setting the height of the cross bar of the auxiliary adjusting and calibrating tool to be HXThen, the adjustment calibration assistant tool is placed at the center line position between the left and right diffuse reflection photoelectric sensors 1.
In the step S103, it is optimized to set the height of the cross bar of the adjusting calibration assistant tool to H for convenienceXThe vertical rod 201 is preferably a vertical telescopic rod.
S104, aiming at the diffuse reflection photoelectric sensor 1 in the child height measuring equipment, firstly, adjusting the diffuse reflection deflection angle theta in the horizontal direction to the maximum value, then gradually reducing the diffuse reflection deflection angle theta until the cross bar 202 of the adjusting and calibrating auxiliary tool is detected, and fastening the diffuse reflection photoelectric sensor 1.
In the step S104, if the diffuse reflection photoelectric sensor 1 is provided with a detection indicator, in the process of gradually decreasing the diffuse reflection deflection angle θ, when the detection indicator is turned on, it is determined that the diffuse reflection photoelectric sensor detects the cross bar 202 of the adjustment calibration aid, at this time, the decrease of the diffuse reflection deflection angle θ of the diffuse reflection photoelectric sensor 1 is terminated, and then the diffuse reflection photoelectric sensor 1 is fastened.
Therefore, through the steps S101 to S104, the adjustment work of the allowable passing height can be completed, the adjustment process is simplified, the equipment adjustment efficiency is improved, the adjustment time of 2/3 can be saved compared with the original method, the measurement precision is improved by 50%, and the human resources and the cost are greatly saved.
In summary, the method for quickly adjusting the allowable passing height of the child height measuring device provided by the embodiment has the following technical effects:
(1) the embodiment provides a method for quickly adjusting the passing permission height of child height measuring equipment, namely aiming at the passing permission height adjustment of the child height measuring equipment, firstly calculating the target intersection point height of a sensor simulation center line and a center line between two sensors through a formula, then setting an equal-height adjustment and calibration auxiliary tool according to the target intersection point height, then placing the adjustment and calibration auxiliary tool on the center line between two diffuse reflection photoelectric sensors, finally gradually reducing the diffuse reflection deflection angle of the diffuse reflection photoelectric sensors until a cross bar positioned on the adjustment and calibration auxiliary tool is detected, completing the passing permission height adjustment work, further simplifying the adjustment process, improving the equipment adjustment efficiency, saving the adjustment time of 2/3 compared with the original method, and improving the measuring precision by 50 percent, manpower resources and cost are greatly saved;
(2) the adjusting and calibrating auxiliary tool used in the method has the advantages of convenient material acquisition, simple manufacture, convenient height adjustment, convenient storage and the like, and is convenient for practical application and popularization.
The present invention is not limited to the above-described alternative embodiments, and various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.
Claims (6)
1. A method for enabling a rapid adjustment of the permitted transit height of a child's height measuring device, comprising the steps of:
s101, determining the allowable passing height HTAnd obtaining the standard head circumference S of the allowed passing childrenTAnd the installation height H of the left diffuse reflection photoelectric sensor and the right diffuse reflection photoelectric sensor (1) in the child height measuring equipmentIAnd a horizontal spacing WI；
S102, calculating and adjusting the height H of the auxiliary calibrating tool according to the following formulaX：
The auxiliary adjusting and calibrating tool is an inverted L-shaped frame or a T-shaped frame composed of a vertical rod (201) and a cross rod (202), the diameter of the cross rod (202) is the minimum detection size of the diffuse reflection photoelectric sensor (1), and the cross rod (202) is made of opaque pipes;
s103, setting the height of the cross bar of the auxiliary adjusting and calibrating tool to be HXThen, placing the adjusting and calibrating auxiliary tool at the position of a center line between the left diffuse reflection photoelectric sensor and the right diffuse reflection photoelectric sensor (1);
s104, aiming at the diffuse reflection photoelectric sensor (1) in the child height measuring equipment, firstly, the diffuse reflection deflection angle theta in the horizontal direction is adjusted to the maximum value, then, the diffuse reflection deflection angle theta is gradually reduced until the cross bar (202) of the adjusting and calibrating auxiliary tool is detected, and the diffuse reflection photoelectric sensor (1) is fastened.
2. A method of enabling rapid adjustment of the allowable transit height of a child height measuring device according to claim 1, wherein: in the step S101, the installation height H of the left diffuse reflection photoelectric sensor and the right diffuse reflection photoelectric sensor (1) in the child height measuring equipment is measured and obtained by using a measuring rulerIAnd a horizontal spacing WI。
3. A method of enabling rapid adjustment of the allowable transit height of a child height measuring device according to claim 1, wherein: if the diffuse reflection photoelectric sensor (1) is provided with a detection indicator lamp, in the step S104, when the detection indicator lamp is turned on, the diffuse reflection deflection angle theta of the diffuse reflection photoelectric sensor (1) is stopped to be reduced.
4. A method of enabling rapid adjustment of the allowable transit height of a child height measuring device according to claim 1, wherein: the vertical rods (201) and the cross rods (202) are respectively made of PVC opaque pipes.
5. A method of enabling rapid adjustment of the allowable transit height of a child height measuring device according to claim 1, wherein: in the adjusting and calibrating auxiliary tool of the inverted L-shaped frame, the vertical rod (201) and the transverse rod (202) are vertically connected through a plugging right-angle adapter (203).
6. A method of enabling rapid adjustment of the allowable transit height of a child height measuring device according to claim 1, wherein: the vertical rod (201) is a vertical telescopic rod.
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| CN100455258C (en) * | 2007-01-24 | 2009-01-28 | 中山市创源电子有限公司 | Infrared instrument for measuring stature of human body |
| CN201489029U (en) * | 2009-07-22 | 2010-05-26 | 高新现代智能系统股份有限公司 | Height detection device |
| CN201514202U (en) * | 2009-09-28 | 2010-06-23 | 北京中软万维网络技术有限公司 | Height detection device of gate |
| CN103126679A (en) * | 2011-11-28 | 2013-06-05 | 刘守志 | Device capable of automatically reporting height of person in bus |
| US9740937B2 (en) * | 2012-01-17 | 2017-08-22 | Avigilon Fortress Corporation | System and method for monitoring a retail environment using video content analysis with depth sensing |
| CN202677479U (en) * | 2012-04-19 | 2013-01-16 | 广州海特天高信息系统工程有限公司 | Height detector for automatic ticket checker |
| CN102697505A (en) * | 2012-04-19 | 2012-10-03 | 广州海特天高信息系统工程有限公司 | Height detecting instrument of automatic ticket checking machine |
| PL228204B1 (en) * | 2015-07-16 | 2018-02-28 | 3Dmd Społka Z Ograniczoną Odpowiedzialnością | Measuring device and the system for complex screening examinations for children and young people |
| WO2017099580A1 (en) * | 2015-12-11 | 2017-06-15 | N.V. Nutricia | Baby tracker |
| CN105596006B (en) * | 2015-12-16 | 2019-05-31 | 上海斐讯数据通信技术有限公司 | A kind of height measurement method, device and the electronic equipment with acquisition device |
| CN207370713U (en) * | 2017-03-09 | 2018-05-18 | 吴金坤 | Body height measuring device |
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