CN105136091A - Device and method used for measuring circular objects - Google Patents
Device and method used for measuring circular objects Download PDFInfo
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- CN105136091A CN105136091A CN201510237614.6A CN201510237614A CN105136091A CN 105136091 A CN105136091 A CN 105136091A CN 201510237614 A CN201510237614 A CN 201510237614A CN 105136091 A CN105136091 A CN 105136091A
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Abstract
The invention relates to a device and a method used for measuring circular objects. The device comprises a first panel, a second panel and a main control module arranged on the first panel, wherein the first panel and the second panel are connected through a co-axial mechanism, a first end portion of the first panel is a first arc-shaped board, a second end portion of the second panel is a second arc-shaped board, the first arc-shaped board is provided with a first incircle contact sensor and a first excircle contact sensor, the second arc-shaped board is provided with a second incircle contact sensor and a second excircle contact sensor, the device is further provided with an angle sensor, the angle sensor is used for detecting a first angle between the center line of the first panel and the center line of the second panel, and inner diameter measurement parameters of a to-be-measured circular object can be determined by the main control module according to the first angle, and the structural parameters of the first arc-shaped board and the second arc-shaped board. The device can be contracted to reduce the whole dimension, and the device is convenient to use and is portable.
Description
Technical field
The present invention relates to field of measuring technique, particularly relate to a kind of apparatus and method measuring circular object.
Background technology
Circular object can be found everywhere in actual life, but the measurement of its radius and girth is comparatively complicated.The pots and pans that we use in daily life, the gourd, fruit and vegetable of trial test, the flowers, plants and trees viewed and admired and steel cable etc. for building all have circular configuration bar none, circular configuration in use inevitably needs to coordinate with the object of other shapes, this kind of cooperation needs to consider the identical problem between circular configuration size, and size the most basic data of coincideing are radius or girths of circular object.
Three point contact method of the prior art measures the quick method of circular object radius or girth, survey instrument can be divided into digital diameter instrument and scale-type radius instrument, by three points of survey instrument used and the curved face contact of tested circular object, then gone out the radius of corresponding tested circular object by the display on survey instrument and graduation indication.Inventor finds, survey instrument of the prior art or can only be used for the external diameter measuring circular object, or can only measure the internal diameter of circular object, and adopts fixing large angle form due to survey instrument, and overall dimensions is large, causes carrying inconvenience.
Summary of the invention
For overcoming Problems existing in correlation technique, the embodiment of the present invention provides a kind of method and apparatus measuring circular object, both can measure the external diameter of circular object, also can measure the internal diameter of circular object, overall dimensions is reduced by movable subtended angle and reduplicative forms, easy to use and carry.
A kind of device measuring circular object is provided, comprises:
Be arranged on the center position of described axial mechanism, when described main control module detects described first incircle feeler and described second incircle feeler is in running order, described angular transducer detects formed first angle between the center line of described first panel and the center line of described second panel, and main control module determines the inner diameter measurement parameter of tested circular object according to the structural parameters of described first angle and described first circular arc plate, described second circular arc plate; Or,
When described main control module detects described first circumcircle feeler and described second circumcircle feeler is in running order, described main control module determines the outside diameter measuring parameter of tested circular object according to the structural parameters of described first angle and described first circular arc plate, described second circular arc plate.
A kind of method measuring circular object is provided, is realized by the device of the measurement circular object described in technique scheme, comprising:
The duty of described first incircle feeler and described second incircle feeler, described first circumcircle feeler and described second circumcircle feeler is detected by described main control module;
When described main control module detects described first incircle feeler and described second incircle feeler is in running order, described angular transducer detects formed first angle between the center line of described first panel and the center line of described second panel, and described main control module determines the inner diameter measurement parameter of tested circular object according to the structural parameters of described first angle and described first circular arc plate, described second circular arc plate;
When described main control module detects described first circumcircle feeler and described second circumcircle feeler is in running order, described main control module determines the outside diameter measuring parameter of tested circular object according to the structural parameters of described first angle and described first circular arc plate, described second circular arc plate.
The technical scheme that embodiments of the invention provide can comprise following beneficial effect: an end of the first panel is connected the subtended angle that can regulate therebetween with an end of the second panel by axial mechanism, by the subtended angle shunk between the first panel and the second panel, device is shunk by the first panel and the second panel in an overlapping manner, thus the overall dimensions of reduction means, easy to use and carry; By the duty of the second circumcircle feeler on the first circumcircle feeler on the first panel, the first incircle feeler, the second panel, the second incircle feeler, the outside diameter measuring parameter of tested circular object can be determined according to the structural parameters of the first angle and the first circular arc plate, the second circular arc plate, achieve the robotization of inner diameter measurement parameter to tested circular object and outside diameter measuring parameter, avoid the inner diameter measurement parameter and the outside diameter measuring parameter that manually calculate tested circular object; In addition, because the subtended angle between the first panel and the second panel can be movable between 0 °-180 °, therefore the present invention can carry out the measurement of seamless coverage to the circular object of different size.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the present invention.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows embodiment according to the invention, and is used from instructions one and explains principle of the present invention.
Fig. 1 is the structural drawing of the device of measurement circular object according to an exemplary embodiment.
Fig. 2 be embodiment illustrated in fig. 1 in the structural drawing of the first panel.
Fig. 3 be embodiment illustrated in fig. 1 in the structural drawing of the second panel.
Fig. 4 is the position view of the feeler in the embodiment of the present invention.
Fig. 5 is the measuring principle figure of the embodiment of the present invention.
Fig. 6 is the measuring principle figure of the embodiment of the present invention when measuring testee external diameter.
Fig. 7 is the measuring principle figure of the embodiment of the present invention when measuring testee internal diameter.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present invention are consistent.
Fig. 1 is the structural drawing of the device of measurement circular object according to an exemplary embodiment, Fig. 2 be embodiment illustrated in fig. 1 in the structural drawing of the first panel, Fig. 3 be embodiment illustrated in fig. 1 in the structural drawing of the second panel, the present embodiment composition graphs 2 and Fig. 3 carry out exemplary illustration.As shown in Figure 1-Figure 3, measure the device of circular object to comprise: the first panel 11, second panel 12 and the end of main control module 13, first panel 11 be arranged on the first panel 11 are connected by axial mechanism 14 with an end of the second panel 12.
In one embodiment, the first end of the first panel 11 is the first circular arc plate, and the second end of the second panel 12 is the second circular arc plate; First circular arc plate is provided with on the first incircle feeler 111 and the first circumcircle feeler 112, second circular arc plate and is provided with the second incircle feeler 121 and the second circumcircle feeler 122.
In one embodiment, device is also provided with angular transducer 15, be arranged on center (Fig. 2 the is only a schematic legend) place of axial mechanism 14, for sensing the subtended angle between the first panel 11 and the second panel 12, also namely, the first angle formed between the center line of the first panel 11 and the center line of the second panel 12.When main control module 13 detects the first incircle feeler 111 and the second incircle feeler 121 is in running order, angular transducer 15 to detect between the center line of the first panel 11 and the center line of the second panel 12 formed first angle, and main control module 13 determines the inner diameter measurement parameter of tested circular object according to the structural parameters of the first angle and the first circular arc plate, the second circular arc panel.
When main control module 13 detects the first circumcircle feeler 112 and the second circumcircle feeler 122 is in running order, main control module 13 determines the outside diameter measuring parameter of tested circular object according to the structural parameters of the first angle and the first circular arc plate, the second circular arc plate.
Go up in one embodiment, when needing to measure the external diameter of tested circular object, by the first panel 11 and the second panel 12 are opened around axial mechanism about 14, tested circular object is touched by the first circumcircle feeler 112 of the first panel 11, rotating the second panel 12 again makes the second circumcircle feeler 122 touch tested circular object, and main control module 13 can determine the outside diameter measuring ginseng of tested circular object according to the structural parameters of determined first angle of angular transducer 15 and the first circular arc plate, the second circular arc panel, when needing to measure the internal diameter of tested circular object, opened around axial mechanism about 14 by the first panel 11 and the second panel 12, the left side of tested circular object is first touched with the first incircle feeler 111 of the first panel 11, rotating the second panel 12 again makes the second incircle feeler 121 touch the right of tested circular object, main control module 13 can according to determined first angle of angular transducer 15 and the first circular arc plate, the structural parameters of the second circular arc panel determine the inner diameter measurement parameter of tested circular object, it can thus be appreciated that, the embodiment of the present invention both can measure the internal diameter of tested circular object, the external diameter of tested circular object can also be measured.
The present embodiment, one end of the first panel 11 is connected the subtended angle that can regulate therebetween with an end of the second panel 12 by axial mechanism 14, by the subtended angle shunk between the first panel 11 and the second panel 12, device is shunk by the first panel 11 and the second panel 12 in an overlapping manner, thus the overall dimensions of reduction means, easy to use and carry; By on the first panel 11 the first circumcircle feeler 112, first incircle feeler 111, second panel 12 on the duty of the second circumcircle feeler 122, second incircle feeler 121, the outside diameter measuring parameter of tested circular object can be determined according to the structural parameters of the first angle and the first circular arc plate, the second circular arc plate, achieve the robotization of inner diameter measurement parameter to tested circular object and outside diameter measuring parameter, avoid the inner diameter measurement parameter and the outside diameter measuring parameter that manually calculate tested circular object; In addition, because the subtended angle between the first panel 11 and the second panel 12 can be movable between 0 °-180 °, therefore the embodiment of the present invention can carry out the measurement of seamless coverage to the circular object of different size.
Fig. 4 is the position view of the feeler in the embodiment of the present invention, as shown in Figure 4, first incircle feeler 111 and the first circumcircle feeler 112 are distributed in the both sides of the center line 161 of the first circular arc plate, and the second incircle feeler 121 and the second circumcircle feeler 122 are distributed in the both sides of the center line 162 of the second circular arc plate; In one embodiment, the first incircle feeler 111 and the second incircle feeler 121 are symmetric with the angular bisector 163 of center line 162 angle of the center line 161 of the first panel 11 and the second panel 12; First circumcircle feeler 112 and the second circumcircle feeler 122 are symmetric with the angular bisector 163 of center line 162 angle of the center line 161 of the first panel 11 and the second panel 12.
Fig. 5 is the measuring principle figure of the embodiment of the present invention, and as shown in Figure 5, the making of the first circular arc plate of the first panel 11 and the first circular arc plate of the second panel 12 needs given two parameters, is high a and wide b respectively, is also AB and BE shown in Fig. 5.By these two parameters, can determine that the radius of GCE arc in this symmetrical type arc is further
the radius of EF arc and GH arc is
the radius of FNH arc is
It can thus be appreciated that the external diameter measured of circular object is determined by parameter a, parameter b.When parameter b fixes, when parameter a increases, measurable radius also increases; Otherwise when parameter a fixes, when parameter b increases, measurable radius reduces on the contrary.Measurable external diameter value when table 1 is different parameters.
Table 1 parameter a and parameter b is asynchronous measures external diameter value (mm)
| Parameter a (mm) | Parameter b (mm) | Minimum outer diameter can be measured | Maximum outside diameter can be measured |
| 100 | 40 | 0 | 269 |
| 200 | 40 | 0 | 1020 |
| 100 | 60 | 0 | 194 |
| 200 | 60 | 0 | 696 |
The internal diameter measured of circular object by the location point of parameter a, parameter b and the first circumcircle contact point 112 first angle [alpha] corresponding with angular bisector 143 with the straight line that axial mechanism 13 is formed and the first incircle feeler 111 tangent line corresponding with the location point of the second incircle feeler 121 form angle half angular dimensions η (specifically as shown in Figure 7) determine.When parameter b=40mm, parameter a=200mm, when the first angle [alpha] is fixed, along with the increase of half angular dimensions η, the radius measured of device also increases.
When table 2 is parameter a=200mm and b=40mm, the first angle [alpha] and half angular dimensions η is asynchronous measures inner diameter values.
Table 2 parameter and parameter is asynchronous measures inner diameter values (mm)
| α(deg) | η(deg) | Minimum diameter can be measured | Maximum inner diameter can be measured |
| 15 | 63.69～89 | 248.792 | 5323.223 |
| 30 | 48.69～89 | 248.792 | 7908.328 |
| 60 | 18.69～89 | 248.792 | 13330 |
| 15 | 73.69 | - | 369 |
| 30 | 58.69 | - | 305 |
| 78.69 | 10 | - | 252 |
| 15 | 73.69 | - | 879.6 |
| 30 | 58.69 | - | 418.6 |
| 78.69 | 10 | - | 262.1 |
Fig. 6 is the measuring principle figure of the embodiment of the present invention when measuring testee external diameter, exemplary illustration is carried out shown in Fig. 6 composition graphs 5, as shown in Figure 6, in the present embodiment, angular transducer comprises angle sensor, main control module 13 comprises the first computing unit (not looking in figure), and the line segment AF for being formed according to an end points on the center of determined first angle [alpha] of angle sensor, axial mechanism and the first circular arc plate determines the radius of tested circular object.
Preferably, first computing unit determines the radius of tested circular object by the first funtcional relationship FK=AF*tan (α), wherein, FK is the radius of tested circular object, the line segment that first end points of the center that AF is axial mechanism 14 and the first circular arc plate is formed, α is the determined angle of angle sensor.
Fig. 7 is the measuring principle figure of the embodiment of the present invention when measuring testee internal diameter, exemplary illustration is carried out shown in Fig. 7 composition graphs 5, as shown in Figure 7, angular transducer comprises angle sensor and angle sensor, main control module 13 comprises the second computing unit (not looking in figure), for determining the radius of tested circular object according to the determined angle of angle sensor, the determined angle of angle sensor, the radius of the second circular arc plate, line segment between the center of axial mechanism 14 and the center of the second circular arc plate.
Preferably, second computing unit determines the radius of tested circular object by the second funtcional relationship OJ=CJ+AC*sin (alpha+beta)/cos (η), wherein, OJ is the radius of tested circular object, CJ is the radius of the second circular arc plate, the line segment that the center end points C of the center A that AC is axial mechanism and the second circular arc plate is formed, α is the determined angle of angle sensor, the second angle formed between the line segment that the primary importance point that β is the center line of the second panel 12 and the center A of axial mechanism 14 and the second incircle feeler place is formed, wherein, the center line of primary importance point F second panel 12 relative to the location point at the second circumcircle feeler 122 place axisymmetricly, θ is perpendicular to tangent line JK and through the straight line CJ of center of circle C and the center line AC angle (θ size is determined by the shape of the second panel) of the second panel, η is angle formed by the corresponding tangent line of incircle of the first circular arc plate and the symmetrical center line of described first panel and described second panel, wherein, η=90 °+θ-alpha-beta.It will be appreciated by persons skilled in the art that Fig. 7 only for the structure of second upper 12, because the first panel 11 and the second panel 12 are symmetrical structure, therefore foregoing description is still applicable to the situation of the first panel 11.
Can be found out by above-mentioned Fig. 5-Fig. 7, the embodiment of the present invention is by principle tangent between three circles, and wherein, Fig. 6 is circumscribed schematic diagram, and Fig. 7 is inscribe schematic diagram.In figure 6, center of circle K is formed first circle (also namely, the tested circular object described in the embodiment of the present invention) with radius FK, and center of circle C is formed second circle with radius C F, center of circle M is formed the 3rd circle with radius MN, and second circle and the 3rd circle completely the same; In Fig. 7, the center of circle is by ray JC, intersection point O (Fig. 7 only schematically illustrates) decision that ray KA and ray NM is common, first circle is formed with radius OJ, center of circle C is formed second circle with radius C F, center of circle M is formed the 3rd circle with radius MN, and it is identical that second radius of a circle participates in the 3rd radius of a circle parameter.
In the above-described embodiments, first panel 11 can also be arranged display module (not looking in figure), for showing the measurement parameter of the determined tested circular object of main control module 13, such as, after the radius of the tested circular object calculated by above-described embodiment, then the measurement parameter of the tested circular object of diameter, girth etc. of the tested circular object calculated according to radius.
The embodiment of the present invention also provides a kind of method measuring circular object, is realized by the device of the measurement circular object of technique scheme, and wherein, method can comprise:
The duty of the first incircle feeler and the second incircle feeler, the first circumcircle feeler and the second circumcircle feeler is detected by main control module;
When main control module detects the first incircle feeler and the second incircle feeler is in running order, angular transducer to detect between the center line of the first panel and the center line of the second panel formed first angle, and main control module determines the inner diameter measurement parameter of tested circular object according to the structural parameters of the first angle and the first circular arc plate, the second circular arc plate;
When main control module detects the first circumcircle feeler and the second circumcircle feeler is in running order, main control module determines the outside diameter measuring parameter of tested circular object according to the structural parameters of the first angle and the first circular arc plate, the second circular arc plate.
In one embodiment, main control module is determined to comprise the step of the inner diameter measurement parameter of tested circular object according to the structural parameters of the first angle and the first circular arc plate, the second circular arc plate:
The line segment formed according to the center of determined first angle of angle sensor, axial mechanism and the primary importance point at incircle feeler place determines the radius of tested circular object;
Main control module is determined to comprise the step of the outside diameter measuring parameter of tested circular object according to the structural parameters of the first angle and the first circular arc plate, the second circular arc plate:
The line segment formed according to the center of determined first angle of angle sensor, axial mechanism and the primary importance point at incircle feeler place determines the radius of tested circular object.
To sum up, the beneficial effect that the embodiment of the present invention is brought can show following several aspect:
In education sector, can using the present invention as teaching aid, when needing the correlation parameter measuring circular object (such as, the radius of circular object), by adopting above-mentioned measuring process to measure to testee in device, thus can directly can read radius or the diameter of tested circular object;
In building trade, unit in charge of construction and management department can quickly move through the size that device of the present invention detects each similar round building materials used, and the underproof building materials of Timeliness coverage, guarantee construction quality;
In forest department, managerial personnel can quickly move through the diameter of a cross-section of a tree trunk 1.3 meters above the ground of device of the present invention to trees and monitor, and detect lumbering size, have numeral reliably for referencial use when performing National Forest specification;
In public security department, criminal detective can quickly move through the radius of device of the present invention to the footprint of all kinds of scene of a crime and all kinds of similar round shape and carry out digitized demarcation, is convenient to the investigation work instructing the later stage more accurately;
In the industrial production, producers can quickly move through apparatus design of the present invention and automatically detect streamline, detect the external diameter of all kinds of circular product or internal diameter size, ensure the consistance of product;
In the market behavior, citizen can quickly move through the circular commercial size of device of the present invention to transaction and measure, and the inspection price of commodity and the consistance of circular commercial size, guarantee the standardization of the market behavior.
Those skilled in the art consider instructions and put into practice the application embodiment after, will easily expect other embodiment of the application.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised the common practise in the art or conventional techniques means that the present invention do not invent.Instructions and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (10)
1. measure a device for circular object, it is characterized in that, described device comprises: the first panel, the second panel and the main control module be arranged on described first panel, and described first panel is connected by axial mechanism with described second panel; Wherein,
The first end of described first panel is the first circular arc plate, and the second end of described second panel is the second circular arc plate; Described first circular arc plate is provided with the first incircle feeler and the first circumcircle feeler, described second circular arc plate is provided with the second incircle feeler and the second circumcircle feeler;
Described device is also provided with angular transducer, be arranged on the center position of described axial mechanism, when described main control module detects described first incircle feeler and described second incircle feeler is in running order, described angular transducer detects formed first angle between the center line of described first panel and the center line of described second panel, and main control module determines the inner diameter measurement parameter of tested circular object according to the structural parameters of described first angle and described first circular arc plate, described second circular arc plate;
When described main control module detects described first circumcircle feeler and described second circumcircle feeler is in running order, described main control module determines the outside diameter measuring parameter of tested circular object according to the structural parameters of described first angle and described first circular arc plate, described second circular arc plate.
2. device according to claim 1, it is characterized in that, described first incircle feeler and described first circumcircle feeler are distributed in the both sides of the center line of described first panel, and described second incircle feeler and the second circumcircle feeler are then distributed in the both sides of the center line of described second panel.
3. device according to claim 1, it is characterized in that, described first incircle feeler and described second incircle feeler are symmetric with the angular bisector of angle formed by the center line of the center line of described first panel and described second panel;
Described first circumcircle feeler and described second circumcircle feeler are symmetric with the angular bisector of angle formed by the center line of the center line of described first panel and described second panel.
4. device according to claim 1, it is characterized in that, described main control module comprises the first computing unit, and the line segment for being formed according to the center of determined described first angle of described angle sensor, described axial mechanism and the primary importance point at described incircle feeler place determines the radius of described tested circular object.
5. device according to claim 4, it is characterized in that, described first computing unit determines the radius of described tested circular object by the first funtcional relationship FK=AF*tan (α), wherein, FK is the radius of described tested circular object, the line segment that the primary importance point at the first circumcircle feeler place of the center that AF is described axial mechanism and described first circular arc plate is formed, α is determined described first angle of described angle sensor.
6. device according to claim 1, it is characterized in that, described main control module comprises the second computing unit, for determining the radius of described tested circular object according to the center line of determined described first angle of described angle sensor, described second panel and determined second angle of primary importance point at described second incircle feeler place, the described radius of the second circular arc plate, line segment between the center of described axial mechanism and the center of described second circular arc plate.
7. device according to claim 6, it is characterized in that, described second computing unit is by the second funtcional relationship OJ=CJ+AC*sin (alpha+beta)/cos (η), wherein, OJ is the radius of described tested circular object, CJ is the radius of described second circular arc plate, the line segment that the central point of the center that AC is described axial mechanism and described second circular arc plate is formed, α is determined first angle of described angle sensor, the second angle formed between the line segment that the primary importance point that β is the center line of described second panel and the center of described axial mechanism and described second incircle feeler place is formed, the center line of described primary importance point and relative described second panel of location point at described second circumcircle feeler place axisymmetricly, θ is tangent line perpendicular to described first panel and through the straight line in the center of circle of described first circular arc plate and the center line angle of described first panel, η is angle formed by the corresponding tangent line of incircle of described first circular arc plate and the symmetrical center line of described first panel and described second panel, wherein, η=90 °+θ-alpha-beta.
8., according to the arbitrary described device of claim 1-7, it is characterized in that, described device also comprises:
Display module, is arranged on described first panel, for showing the measurement parameter of the determined tested circular object of described main control module.
9. measure a method for circular object, realized by the device of the measurement circular object described in the claims 1, it is characterized in that, described method comprises:
The duty of described first incircle feeler and described second incircle feeler, described first circumcircle feeler and described second circumcircle feeler is detected by described main control module;
When described main control module detects described first incircle feeler and described second incircle feeler is in running order, described angular transducer detects formed first angle between the center line of described first panel and the center line of described second panel, and described main control module determines the inner diameter measurement parameter of tested circular object according to the structural parameters of described first angle and described first circular arc plate, described second circular arc plate;
When described main control module detects described first circumcircle feeler and described second circumcircle feeler is in running order, described main control module determines the outside diameter measuring parameter of tested circular object according to the structural parameters of described first angle and described first circular arc plate, described second circular arc plate.
10. method according to claim 9, is characterized in that,
Described main control module is determined to comprise the step of the inner diameter measurement parameter of tested circular object according to the structural parameters of described first angle and described first circular arc plate, described second circular arc plate:
The line segment formed according to the center of determined described first angle of described angle sensor, described axial mechanism and the primary importance point at described incircle feeler place determines the radius of described tested circular object;
Described main control module is determined to comprise the step of the outside diameter measuring parameter of tested circular object according to the structural parameters of described first angle and described first circular arc plate, described second circular arc plate: the line segment formed according to the center of determined described first angle of described angle sensor, described axial mechanism and the primary importance point at described incircle feeler place determines the radius of described tested circular object.
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