JP2006116003A - Measuring apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a measuring apparatus which prevents a misdetection in measurement, and at the same time, can easily measure an accurate leg length dimension. <P>SOLUTION: This measuring apparatus 100 which measures the leg length dimension of a subject is equipped with a mounting table 11 on which the feet of the subject are mounted, a heel receiving member 10 which is provided on the mounting table 11 and fixes the heels of the subject, and a guide line 11a which is provided on the mounting table 11 and serving as a mark for the mounting direction of the feet. The measuring apparatus 100 is also equipped with a toe detecting means (cursor sensor 12) which is freely movably provided from the front side of the toes of the subject in the toe direction, and detects the toes of the subject on the mounting table 11, a dimension calculating means (microcomputer 33) which acquires the leg length dimension of the subject from the detection result by the toe detecting means, and a displaying means (display section 30) which displays the calculation result by the dimension calculating means. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a measuring apparatus for measuring the dimensions of a subject's foot.

Conventionally, as a method for measuring the length of the foot length (the length from the toe to the heel), for example, a method in which the tape measure is directly applied to the subject's foot, or on a plate-like measuring plate on which a scale is written. There is a method of placing a foot and obtaining the length visually.
According to such a method, it is possible to easily measure the approximate length regardless of the measurer. However, when a precise measurement result is required, for example, custom-made shoes, the measurement is skillful. In addition, there are problems such that the measurement results differ greatly depending on the measurer.
In order to solve such a problem, a displacement sensor is used to determine the amount of movement thereof, and it is automatically calculated from the result or the like to determine the dimensions such as the foot length. Such a measuring apparatus is described in Patent Document 1.
Japanese Patent Publication No. 6-85724

In a measurement apparatus using a conventional displacement sensor as disclosed in Patent Document 1, for example, in the case of measuring the length of a foot, the displacement sensor detects the amount of movement from the toe of the foot to be measured to the heel. , It is designed to perform calculations based on it.
However, according to such a method, for example, when a foot, which is a measurement object, moves during measurement, the displacement sensor detects an incorrect amount of movement, and a large error may occur in the measurement result.

  The present invention has been made under the circumstances as described above, and an object of the present invention is to provide a measuring apparatus that can prevent erroneous detection in measurement and can easily measure an accurate foot length dimension.

The measuring device according to the present invention, which has been made to solve the above-mentioned problems, is a measuring device for measuring the length of a subject's foot, the mounting table for mounting the subject's feet, and the mounting table described above A heel receiving member provided on the heel for fixing the heel of the subject, a guide line provided on the mounting table, which serves as a mark in the mounting direction of the foot, and along the toe direction from the front of the subject's toe A toe detection means for detecting the toe of the subject on the mounting table, a dimension calculation means for obtaining the length of the subject's foot based on the detection result of the toe detection means, and the dimension calculation And display means for displaying a calculation result by the means.
By configuring in this way, the subject can easily and accurately position the foot. In measurement, the toe detection means automatically moves and detects, and based on the movement result, the dimension calculation means calculates the foot length dimension and displays it on the display means, thereby easily knowing the accurate measurement result. be able to.

Further, the toe detection means includes a first light emitting element and a first light receiving element which are provided facing the upper side of the mounting table, and the first light emitting element and the first light receiving element are The light emitted from the first light emitting element is received by the first light receiving element and moved from the front of the subject's toes toward the toes, and the light emitted from the first light emitting elements is caused by the toes of the subject. It is desirable to detect the toe of the subject by being blocked and not receiving light by the first light receiving element.
If comprised in this way, a non-contact type toe detection sensor can be constructed.

Further, the toe detection means includes a first contact sensor, and the first contact sensor moves from the front of the subject's toe toward the toe, and contacts the subject's toe. A toe may be detected.
If comprised in this way, a contact-type toe detection sensor can be constructed | assembled.

In addition, it is preferable that a housing member provided in front of the toe of the subject is provided, and the toe detecting means is housed in the housing member when not operating.
If it does in this way, the sensor which is a precision instrument which a toe detection means has can be protected.

Further, the wrinkle receiving member includes wrinkle detection means for detecting that the subject's wrinkle is fixed, and if the subject's wrinkle is not detected by the wrinkle detection means, the toe detection means performs a detecting operation. Instead, it is desirable to control to be accommodated in the accommodating member.
If comprised in this way, if a wrinkle leaves | separates from a wrinkle receiving member during a measurement, a measurement can be stopped automatically. Therefore, it is possible to prevent erroneous detection results and measurement results caused by the foot placed on the mounting table being displaced.

Further, the wrinkle detecting means has a second light emitting element and a second light receiving element which are provided to face each other, and the second light emitting element and the second light receiving element are the second light emitting elements. The light received from the second light-receiving element is received by the second light-receiving element, the light emitted from the second light-emitting element is blocked by the subject's eyelids, and the second light-receiving element does not receive the light. It is desirable to detect wrinkles.
If comprised in this way, a non-contact type wrinkle detection sensor can be constructed.

Further, the wrinkle detection means may include a second contact sensor, and the second contact sensor may detect the subject's wrinkle by contacting the subject's wrinkle.
If comprised in this way, a contact-type wrinkle detection sensor can be constructed.

Further, it is desirable that the display means is separate from the mounting table on which the subject's foot is mounted and is formed separately.
That is, when the display means is provided on a mounting table on which the subject's feet are placed, the measurer must bend down to see the display, which places a physical burden on the measurer. .
Therefore, as described above, the physical burden on the measurer can be reduced by forming the display means separately from the mounting table.

  ADVANTAGE OF THE INVENTION According to this invention, while preventing the misdetection in a measurement, the measuring apparatus which can measure an exact foot length dimension easily can be obtained.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing the whole measuring apparatus according to the present invention.
As shown in FIG. 1, the measuring device 100 includes a measuring unit main body 1 on which a subject's foot is placed, and an operating device 2 connected to the measuring unit main body 1 by an electric cable or the like.
The measurement unit main body 1 includes a mounting table 11 on which the foot of the subject is mounted, a heel support member 10 provided on the mounting table 11, and from the front of the toe of the foot mounted on the mounting table 11 toward the toe. And a cursor sensor 12 (toe detection means) movably provided. In the present embodiment, the toe refers to the tip of the tip of the plurality of fingertips (for example, the tip of the second finger).
In addition, a cursor cover 13 serving as a housing member is provided in front of the subject's toes on the mounting table 11, and the cursor sensor 12 is configured to be housed in the cursor cover 13 when the cursor sensor 12 is not in operation. Yes.

The mounting table 11 is provided with a guide wire 11a serving as a mark and an index when the subject's foot is placed, and the hook receiving member 10 is provided on the guide wire 11a. In the face receiving member 10, the face facing the subject's eyelids receives the light emitting element 21 a (second light emitting element) and the light emitted from the light emitting element 21 a as an eyelid sensor 21 (an eyelid detecting means). A light-receiving element 21b (second light-receiving element) to be detected is provided so as to be symmetrically opposed.
In this configuration, when the subject firmly applies the eyelid to the eyelid receiving member 10, the light emitted from the light emitting portion 21a is blocked by the eyelid and does not reach the light receiving portion 21b. That is, in that state, the eyelid sensor 21 detects the subject's eyelids.

  The cursor sensor 12 includes a light emitting element 12a (first light emitting element) and a light receiving element 12b (first light receiving element), and these elements protrude upward from the side of the mounting table 11. At the same time, the light emitting side and the light receiving side are provided opposite to each other with the mounting table 11 interposed therebetween. In this configuration, the light emitted from the light emitting element 12a passes through the mounting table 11 and is received by the light receiving element 12b.

In addition, as described above, the cursor sensor 12 is provided so as to be movable from the front of the toe of the foot placed on the mounting table 11 toward the toe. At the start of measurement, the light emitting element 12a and the light receiving element 12b are From the standby position in the state of being accommodated in the cursor cover 13, that is, from the front of the toe, the movement toward the toe starts at a predetermined speed.
Accordingly, when the cursor sensor 12 starts to move during measurement and the light emitted from the light emitting element 12a is blocked by the toes of the foot placed on the mounting table 11, the cursor sensor 12 does not reach the light receiving element 12b. It is assumed that the toe of the subject has been detected.
When the cursor sensor 12 detects the toe of the subject, the cursor sensor 12 reverses the moving direction and is accommodated in the cursor cover 13.

The operation start control of the inspection unit main body 1 is performed by the operation device 2. As shown in FIG. 1, the operation device 2 includes a power switch 31, a measurement switch 32 for instructing start of a measurement start operation, and a display unit 30 for displaying a measurement result.
In other words, at the time of measurement, the power switch 31 is first turned on to enter a measurement standby state, and then the measurement switch 32 is turned on to start the measurement.
In addition, since the display unit 30 is separate from the mounting table 11 on which the subject's feet are placed and is formed separately, it is necessary for the measurer to crouch and see the display. Therefore, the physical burden on the measurer can be reduced.

  Next, the structure of the measurement unit main body 1 will be described in more detail with reference to FIGS. FIG. 2 is a plan / perspective view of the measurement unit main body included in the measurement apparatus of FIG. 3A is a front view of the measuring unit main body of FIG. 2 with the cursor cover 13 removed, FIG. 3B is a side view of the measuring unit main body of FIG. 2, and FIG. It is a rear view of the measurement part main body of 2. FIG.

  As shown in FIG. 2, a rail 14 is laid along the longitudinal direction inside the mounting table 11, and the cursor sensor 12 is movable on the rail 14. In the cursor sensor 12, the light emitting element 12a and the light receiving element 12b are connected by a plate member 12c, and a movable portion 12d for the rail 14 is attached to the lower surface of the plate member 12c. Furthermore, wheels 12e are provided at both ends of the plate member 12c in order to stabilize the movement with respect to the rail 14.

In addition, a rotation belt 15 connected to the plate member 12 c via a connection member 12 f and a motor 16 that rotates the rotation belt 15 are provided as a driving unit for the cursor sensor 12 inside the mounting table 11. . That is, the motor 16 is driven and the rotating belt 15 rotates, so that the cursor sensor 12 moves on the rail 14.
As described above, when the cursor sensor 12 detects the toe of the subject, the cursor sensor 12 reverses the movement direction. At this time, the rotation direction of the motor 16 is reversed, whereby the rotation direction of the rotary belt 15 is reversed. Has been made to switch.
The rotary belt 15 is connected to a rotary encoder 17 that detects the amount of displacement. That is, the rotary encoder 17 detects and outputs the movement amount from the standby position of the cursor sensor 12 to the position where the subject's toe is detected.

Further, a limit switch 18 for limiting the movement range of the cursor sensor 12 is provided in the mounting table 11. The limit switch 18 includes micro switches 18 a and 18 b fixed to the measurement unit main body 1 and a dog 18 c attached to the lower surface of the plate member 12 c of the cursor sensor 12.
The micro switches 18a and 18b are provided to stop the movement operation of the cursor sensor 12, and the rotation operation of the motor 16 is stopped when each switch is turned on.

The dog 18c is provided to switch the on / off state of the micro switches 18a and 18b.
That is, when the cursor sensor 12 is housed in the cursor cover 13, the micro switch 18a is turned on (the movement of the cursor sensor 12 is stopped) by the dog 18c coming into contact with the micro switch 18a.
On the other hand, when the cursor sensor 12 moves for measurement and the subject's foot length is too small to exceed the measurement range of the cursor sensor 12, or when the cursor sensor 12 does not operate, the dog 18c Is brought into contact with the microswitch 18b to turn the microswitch 18b on (the movement of the cursor sensor 12 is stopped).
Therefore, the movement range of the cursor sensor 12 is limited to a range where the microswitch 18a and the microswitch 18b are installed.

  The light emitting element 12a of the cursor sensor 12 has a configuration in which three light emitting elements are arranged in the height direction as shown in FIG. 3A, and the light receiving element 12b corresponds to the three light emitting elements. Thus, three light receiving elements are arranged. Thereby, it is comprised so that a toe can be detected corresponding to the difference by the individual difference of toe height of a subject.

  As shown in FIG. 3B, a slit 11b is formed on the side surface of the mounting table 11, and the light emitting element 12a and the light receiving element 12b of the cursor sensor 12 are connected to the outside of the mounting table 11 from the slit 11b. And is moved in the horizontal direction with respect to the mounting table 11.

  Further, the light emitting element 21a in the wrinkle sensor 21 of the wrinkle receiving member 10 has a configuration in which three light emitting elements are arranged in the height direction as shown in FIG. It has a configuration in which three light receiving elements are arranged corresponding to the light emitting elements. Thereby, it respond | corresponds to the difference by the individual difference of a subject's wrinkle shape, and it is comprised so that wrinkles of all shapes can be detected.

  Subsequently, operation control of the measurement apparatus 100 will be described. As shown in FIG. 2, a microcomputer 33 is provided inside the mounting table 11 as control means having various signal input / output functions and arithmetic functions. As shown in the circuit block diagram of FIG. 4, the microcomputer 33 is connected with the cursor sensor 12, the eyelid sensor 21, the operating device 2, the motor 16 (drive unit), the rotary encoder 17, and the limit switch 18. . That is, the operation is started by an instruction from the operation switches (power switch 31 and measurement switch 32) of the operation device 2, and each is operated in conjunction with the control of the microcomputer 33.

In order to measure the length of the subject's foot using the measuring apparatus 100 having such a configuration, first, the power switch 31 of the operation device 2 is turned on.
Next, as shown in FIG. 5 (a), the subject's foot F is firmly applied to the heel receiving member 10, and the second finger (index finger) of the foot F is guided as shown in FIG. 5 (b). The foot F is placed on the placing table 11 so as to ride on the line 11a.

When the measurement switch 32 of the operation device 2 is pressed in this state, the microcomputer 33 instructs the motor 16 to drive, and the motor 16 is driven to start the rotation of the rotating belt 15, and the cursor sensor 12 is moved from the cursor cover 13. Moving.
Here, the cursor 12 moves in a state where the light emitted from the light emitting element 12a of the cursor sensor 12 is received by the light receiving element 12b, and measurement is started.

When the light emitted from the light emitting element 12a is blocked by the toe of the subject, the cursor sensor 12 outputs a detection signal to the microcomputer 33. The microcomputer 33 functions as a dimension calculating means, and the rotary at that time Based on the output of the encoder 17, that is, the movement distance of the cursor sensor 12, the foot length dimension of the subject is calculated.
The calculated foot length dimension is displayed on the display unit 30 of the operation device 2 under the control of the microcomputer 33.
Further, after detecting the toe of the subject by the cursor sensor 12, the cursor sensor 12 reverses the moving direction and is accommodated in the cursor cover 13 again.

If the subject's foot is too small to measure, or if the cursor sensor 12 or the like fails, the micro switch 18b is turned on by the dog 18c and the movement of the cursor sensor 12 is stopped. . As a result, an accident or the like of the cursor sensor 12 is prevented, and an excessive load is not applied to the motor 16, so that the occurrence of a failure can be suppressed.
Further, when the subject removes the eyelid from the eyelid receiving member 10 during the measurement, the eyelid sensor 21 detects it and the measurement is stopped under the control of the microcomputer 33. That is, the movement of the cursor sensor 12 is stopped and control is performed so as to return to the cursor cover 13.

  As described above, according to the embodiment of the present invention, by providing the heel receiving member 10 for fixing the heel of the subject's foot and the guide wire 11a serving as a mark in the foot placement direction, The foot can be easily positioned during measurement. Further, in measurement, the cursor sensor 12 for detecting the toe automatically moves and detects, and the microcomputer 33 calculates the foot length dimension based on the movement result and displays it on the display unit 30 to accurately The measurement result can be easily known.

Further, when the wrinkle leaves the wrinkle receiving member 10 during the measurement, the measurement is automatically stopped. Therefore, it is possible to prevent erroneous detection results and measurement results caused by the foot placed on the mounting table 11 being displaced.
When not measuring, the cursor sensor 12 is housed in the cursor cover 13. Thereby, the sensor which is the precision instrument which the cursor sensor 12 has can be protected.

  In the above-described embodiment, the cursor sensor 12 includes the light emitting element 12a and the light receiving element 12b as sensors for detecting the toe of the subject. However, the present invention is not limited to this, and the sensor capable of detecting the toe. Any other configuration may be used. For example, instead of the light emitting element 12a and the light receiving element 12b, the cursor sensor 12 has a contact sensor (first contact sensor), and the cursor sensor 12 moves from the front of the subject's toes toward the toes. The toe of the subject may be detected by the contact sensor contacting the toe.

  Moreover, in the said embodiment, although the wrinkle sensor 21 was set as the structure which has the light emitting element 21a and the light receiving element 21b as a sensor which detects a subject's wrinkle, it is not restricted to this, It is a sensor which can detect wrinkles. Other configurations may be used if necessary. For example, instead of the light emitting element 21a and the light receiving element 21b, the heel sensor 21 has a contact sensor (second contact sensor), and when the subject presses the heel against the heel receiving member 10, the contact sensor It is also possible to detect the subject's eyelid by contacting the eyelid.

  The measuring apparatus according to the present invention is suitable for, for example, custom-made shoes or business applications that require accurate foot length dimensions.

FIG. 1 is a perspective view showing the whole measuring apparatus according to the present invention. FIG. 2 is a plan / perspective view of the measurement unit main body included in the measurement apparatus of FIG. 3 is a front view of the measurement unit body of FIG. 2 with the cursor cover removed, a side view of the measurement unit body of FIG. 2, and a rear view of the measurement unit body of FIG. FIG. 4 is a circuit block diagram of the measuring apparatus of FIG. FIG. 5 is a diagram for explaining a procedure for the subject to place his / her feet on the mounting table of the measurement unit main body of FIG. 2.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Measuring device main body 2 Operating device 10 Hook receiving member 11 Mounting base 11a Guide wire 12 Cursor sensor (toe detection means)
12a Light emitting element 12b Light receiving element 13 Cursor cover (accommodating member)
14 rail 15 rotating belt 16 motor 17 rotary encoder 18 limit switch 18a micro switch 18b micro switch 18c dog 21 踵 sensor (踵 detection means)
21a Light emitting element 21b Light receiving element 30 Display unit (display means)
31 Power switch 32 Measuring switch 33 Microcomputer (size calculation means)
100 measuring device

Claims (8)

A measuring device for measuring a subject's foot length,
A mounting table for mounting the subject's feet;
A scissor receiving member provided on the mounting table and fixing the subject's scissors;
A guide line provided on the mounting table, which serves as a mark in the mounting direction of the foot;
Toe detection means that is provided movably along the toe direction from the front of the subject's toe, and that detects the toe of the subject on the mounting table;
A dimension calculating means for determining a foot length dimension of the subject based on a detection result of the toe detecting means;
Display means for displaying a calculation result by the dimension calculation means;
A measuring apparatus comprising: The toe detection means has a first light-emitting element and a first light-receiving element that are provided facing the upper side of the mounting table,
The first light-emitting element and the first light-receiving element receive light emitted from the first light-emitting element by the first light-receiving element and move from the front of the subject's toes toward the toes, The measuring device according to claim 1, wherein light emitted from the light emitting element is blocked by the toe of the subject and the toe of the subject is detected by the first light receiving element not receiving light. The toe detection means includes a first contact sensor,
The measurement according to claim 1, wherein the first contact-type sensor detects a toe by moving from the front of the subject's toe toward the toe and contacting the subject's toe. apparatus. A housing member provided in front of the subject's toes;
The measuring apparatus according to claim 1, wherein the toe detection means is accommodated in the accommodation member when not operating. The wrinkle receiving member includes wrinkle detection means for detecting that the subject's wrinkle is fixed,
5. The measurement according to claim 4, wherein if the subject's eyelid is not detected by the eyelid detection means, the toe detection means is controlled to be accommodated in the accommodation member without performing a detection operation. apparatus. The wrinkle detecting means has a second light emitting element and a second light receiving element provided to face each other,
The second light emitting element and the second light receiving element are configured to receive light emitted from the second light emitting element by the second light receiving element, and the light emitted from the second light emitting element is the subject. The measuring apparatus according to claim 5, wherein the measuring apparatus detects the eyelid of the subject when the second light receiving element does not receive light. The wrinkle detecting means includes a second contact type sensor,
The measurement apparatus according to claim 5, wherein the second contact sensor detects the subject's eyelid by contacting the subject's eyelid.   The said display means is separate from the mounting base which mounts a subject's leg | foot, and is formed separately, The said any one of Claim 1 thru | or 7 characterized by the above-mentioned. Measuring device.

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