CN103075996A - Globe longitude and latitude detector - Google Patents
Globe longitude and latitude detector Download PDFInfo
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- CN103075996A CN103075996A CN2013100572580A CN201310057258A CN103075996A CN 103075996 A CN103075996 A CN 103075996A CN 2013100572580 A CN2013100572580 A CN 2013100572580A CN 201310057258 A CN201310057258 A CN 201310057258A CN 103075996 A CN103075996 A CN 103075996A
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Abstract
The invention provides a globe longitude and latitude detector, which relates to the technical field of science and education technology and aims at solving the technical problems that the existing finished product globe is lack of corresponding high-precision fast standard detection equipment, and the like. Longitude and latitude nets with the longitude being 20 degrees and the latitude being 90 degrees are printed on a semispherical transparent ball case sheet (1), in addition, longitude lines (2), latitude lines (3), apices (4), an equator line (5), polar circle lines (6) and regression lines (7) are marked on the semispherical transparent ball case sheet (1). The radius of the concave surface of the semispherical transparent ball case sheet (1) is R, and R is the same as the radius of the globe requiring the longitude and latitude detection.
Description
Technical field
The present invention relates to the Science and education technical field, particularly a kind of geography information relevant with longitude and latitude in terrestrial globe manufacturing plant and the supervision department's check spherical earth globe product quality thereof and terrestrial globe longitude and latitude detecting device of middle and primary schools' geography and mathematical education and activity of being applied to.
Background technology
Terrestrial globe refers to that people for the ease of the understanding earth, also are convenient to show and the geographical object of earth surface it are dwindled according to certain ratio, making is similar to the model of the earth, the adopted name of this model is called terrestrial globe, and its surface is the sphere of a rule, has the geometric properties of ball.According to the mathematical space thinking ideas, the earth is regarded as a spheroid, suppose that the earth rotates along an axle, this root axle is called the earth's axis, and the intersection point of earth's axis the North and earth surface is called arctic point, is called for short the arctic; The intersection point of the earth's axis south and earth surface is called Geophysical South Pole, is called for short the South Pole.The great circle that the set of the point that earth surface equates with the spherical distance of south poles forms is the great circle vertical with the earth's axis, and this great circle is called the equator.On the sphere of terrestrial globe, link the semicircle at the two poles of the earth, north and south, be called warp, claim again meridian, meridian is all indicated North and South direction.In order to distinguish each bar warp, people have marked the number of degrees to warp, Here it is longitude.Regulation in the world, the warp by old site, Royal Observatory Greenwich, London is 0 ° of warp, also claims the first meridian.From 0 ° of warp eastwards, westwards each 180 °, belong to respectively east longitude and west longitude.The number of degrees of east longitude mark with E, and the number of degrees of west longitude mark with W.For example, on the terrestrial globe sphere, the set formation equator of the point that all equates to the spherical distance of two limits in north and south, the circle parallel with the equator is called parallel, and parallel is all indicated east-west direction, the equator is the parallel of growing most, and from the equator to the two poles of the earth, the length of parallel shortens gradually.In order to distinguish each bar parallel, people have marked the number of degrees to parallel, Here it is latitude.The equator is the start line of dividing latitude, respectively is divided into 90 ° from the equator to the South Pole and from the equator to the arctic, claims north latitude to the north of the equator, claims south latitude on the south the equator, and the number of degrees of north latitude mark with N, and the number of degrees of south latitude mark with S.On terrestrial globe, warp and parallel are interweaved, and consist of graticules.On graticules, any the three unities has a warp and a parallel corresponding with it on the earth, and the position in this place is exactly the intersection point of these two lines.
All the earth is regarded approx as a spheroid on the at present commercially available terrestrial globe, and dwindled according to certain ratio, make the spatial model of the earth.On the terrestrial globe sphere, people represent position and the feature of the geographical objects such as land, ocean, mountain range, river, Plain, desert, city with different colors, literal, symbol, visual in image, very clear.But existing commercially available terrestrial globe is in processing and making process, restricted by workman's attitude towards labour and quality of workers, also be subjected to the impact of millwork equipment, production technology and tradesman's technical ability various aspects, cause large absolutely number finished product terrestrial globe all aspect the mark of warp, parallel, longitude and latitude etc., to have in various degree some problems incompatible with the geographical publication of standard.
At present, in the production run of terrestrial globe, common using planar hemisphere map impact briquetting technology, to produce by the synthetic terrestrial globe of two hemisphere, its method is at first respectively being imprinted on the Southern Hemisphere, the Northern Hemisphere on the plastic cement material of plane, be placed on again on the hemisphere stamping machine, strike out the hemisphere terrestrial globe, synthesize again at last the finished product terrestrial globe.Comprise now developed country such as Britain, the U.S., Germany, France, Korea S etc., all can not solve and exist the stretching unbalance stress to push the problems such as irregular in the terrestrial globe production run, cause some latitude has been forced down, some latitude has been drawn high, therefore, be difficult to obtain the terrestrial globe of criterion of acceptability level, simultaneously, the finished product terrestrial globe of producing also lacks corresponding checkout equipment, is difficult to find whether the terrestrial globe finished product exists the problems such as mark deviation.
Summary of the invention
The present invention is intended to solve existing finished product terrestrial globe and lacks the technical matterss such as corresponding high precision fast standard checkout equipment, can realize high precision to provide, accurately and rapidly detect whether commercially available terrestrial globe exists the mark deviation, cost is low and widely used terrestrial globe longitude and latitude detecting device.
The objective of the invention is to be achieved through the following technical solutions.
Terrestrial globe longitude and latitude detecting device of the present invention be printed on longitude on the transparent spherical shell sheet 1 of half curcumbitate and be 20 °, latitude and be 90 ° graticules, and mark has warp 2, parallel 3, limit 4, equatorial line 5, polar circle line 6 and the tropic 7; The radius of the transparent spherical shell sheet 1 concave surface place ball of half curcumbitate is R, and R is identical with the terrestrial globe radius that needs the detection longitude and latitude.
Terrestrial globe longitude and latitude detecting device of the present invention, described equatorial line 5 mark between 4 to the extreme 9 local parallels, is respectively 0 °, 10 °, 20 °, 30 °, 40 °, 50 °, 60 °, 70 °, 80 °, 90 ° of limit place marks; Every warp 2 length are π R/2, and every warp all is divided into 90 parts by 90 parallels, and the length of every portion is π R/180; Equatorial line 5 length are π R/9, are divided into 20 parts by 20 warps, and the length of every portion is π R/180.
Terrestrial globe longitude and latitude detecting device of the present invention, the graticules both sides, lower end of the transparent spherical shell sheet 1 of described half curcumbitate are drilled with respectively aperture, and a handle 9 that is L-type can be installed on each aperture.
Terrestrial globe longitude and latitude detecting device of the present invention, described graticules is printed on the inner concave of the transparent spherical shell sheet 1 of half curcumbitate.
The beneficial effect of terrestrial globe longitude and latitude detecting device of the present invention:
Diameter such as the spheroid sphere is the terrestrial globe of 30cm, use invention radius of the present invention to be the transparent spherical shell sheet of half curcumbitate of R=15cm, the arctic of limit on the transparent spherical shell sheet of half curcumbitate with terrestrial globe is overlapped, or follow the South Pole of terrestrial globe to overlap, and equatorial line is overlapped with the equatorial line on the terrestrial globe, just can find out directly whether the terrestrial globe sphere upper warp and woof Network Geographical information of plant produced is accurate.
Use the technology of the present invention, can make respectively radius R is the not identical terrestrial globe longitude and latitude detecting device of 5cm, 10cm, 15cm, 20cm equal-specification and size, more easily, can be directly the information printing of graticules or punching press on transparent film, make the learning tool in the stationery case for students, be used for measuring the longitude and latitude of certain point on the terrestrial globe, convenient.
The present invention can be used for developing the scientific research institutions of terrestrial globe, manufactures the large enterprise of terrestrial globe, the universal product of the present invention middle and primary schools' education activities, manipulative ability and the scientism of cultivating the student.
For the terrestrial globe of using the curcumbitate technology for applying and making, detect the situation such as find to have that warp and weft repeats, move in the parallel dislocation, limit if use terrestrial globe longitude and latitude detecting device of the present invention, can find fast that then there is product quality problem in terrestrial globe.
The present invention can be widely used in the practice of education and instruction, demonstration longitude and latitude that can be visual in image, very abstract geographical longitude and latitude concept is converted into 360 minute equator such as grade and 180 etc. divides warp, and explained the formation of graticules and set forth the graticules space structure, be conducive to cultivate student's earth and space idea.
Description of drawings
Fig. 1 is structural representation of the present invention
Fig. 2 is the schematic diagram of the transparent spherical shell sheet of the present invention's half curcumbitate
Fig. 3 is the present invention's left handle schematic diagram
Fig. 4 is the present invention's right handle schematic diagram
Fig. 5 is the present invention's embodiment schematic diagram
The number in the figure explanation:
The transparent spherical shell sheet of 1 half curcumbitates, 2 warps, 3 parallels, 4 limits, 5 equatorial lines, 6 polar circle lines, 7 tropic, 8 grip holes, 9 handles
Embodiment
Detailed structure of the present invention, application principle, effect and effect with reference to accompanying drawing 1-5, are explained by following embodiment.
Basic purpose of the present invention is the applied mathematics ultimate principle, the part that concave surface and the convex surface of terrestrial globe longitude and latitude detecting device of the present invention are all made sphere, the radius of concave surface place sphere, identical with the radius of terrestrial globe sphere, the radius of convex surface place sphere, than the radius of terrestrial globe sphere more greatly.The ultimate principle of this patent is: the concave surface place spherical radius of detecting device is identical with the terrestrial globe spherical radius, if the concave surface arctic of terrestrial globe longitude and latitude detecting device of the present invention is overlapped with the terrestrial globe arctic, when detecting device was attached on the terrestrial globe, the some longitude and latitude of arbitrary coincidence must be identical so.
The purpose of innovation of the present invention is applied mathematics to computing method, technology and the conclusion of the precision of three-dimensional geometric ball face, produces the terrestrial globe longitude and latitude detecting device that meets the science of mathematics standard, is used for detecting the terrestrial globe of same ball radius.If some geography information that marks on the terrestrial globe sphere, for example, equator on the terrestrial globe, the tropic of Cancer, the tropic of Capricorn, polar circle etc., not corresponding with the geography information of the standard of printing on " terrestrial globe longitude and latitude detecting device " concave surface, that just can judge that detected terrestrial globe is substandard product, and the foundation of judgement is that the longitude and latitude geography information of standard on the terrestrial globe sphere lacks science.
Because middle and primary schools are widely used terrestrial globe studying the geography and science of mathematics knowledge, in the situation that terrestrial globe is specification product, because the terrestrial globe sphere has only printed 24 to 36 warps and 20 to 36 parallels, when people use terrestrial globe, can not directly read the longitude and latitude of arbitrary position.This is a unique weakness of terrestrial globe application.Warp, parallel are printed some more, make terrestrial globe upper warp and woof net overstocked, affected other important geography information on people's observation place globe.
Another free-revving engine of the present invention will overcome this weakness of terrestrial globe application exactly.The teachers and students of middle and primary schools widespread use " terrestrial globe longitude and latitude detecting device " studying the geography, particularly those are begun to learn geographical student, be conducive to aprowl terrestrial globe be become interested, use this patent and directly measure the longitude and latitude of arbitrary position on the terrestrial globe sphere, directly read and write out the longitude and the latitude value that are accurate to 0.1 degree, help the student to be familiar with better and to understand warp on the terrestrial globe sphere, parallel, longitude, latitude, meridian, the first meridian, the tropic of Capricorn, the tropic of Cancer, the equator, the Antarctic Circle, the Arctic Circle, the geography information such as limit, the geometrical feature of the space geometry graph directs such as geographic concepts.
As shown in Figure 2, the concave surface of the transparent spherical shell sheet 1 of half curcumbitate of the present invention, that radius is the part of the ball of R, the convex surface of the transparent transparent spherical shell sheet 1 of half curcumbitate, it also is the part of a ball, but radius is larger than R, the transparent spherical shell sheet of half curcumbitate concave surface has printed graticules, the schematic diagram of total at least 21 parallels and 90 parallels, the transparent spherical shell sheet of half curcumbitate concave surface is to reach strict quality standard to require to meet the object that the geometric figure feature has sphere character, that is to say, on the concave surface each the point take the fixed point O as the centre of sphere, fixed length R is on the ball of radius, and then push away to such an extent that the warp and weft that prints on the concave surface also has this character, any point all is radius of a ball R to the air line distance of fixed point O on warp or the parallel, in warp, from the edge to the center, article 6, warp and Sub_clause 11 warp are red, in parallel, from equatorial line to the extreme, article 1,, Sub_clause 11, article 21,, article 31,, article 41,, article 51,, article 61,, article 71,, article 81, be redness, all the other are purple, the tropic and polar circle line are reddish violet, the length of every warp equal radius be R ball the great circle girth 1/4, from limit, all be divided into 90 equal five equilibriums by 90 parallels, between every adjacent two parallels through line length π R/180.From equatorial line to the extreme, marked successively 0 °, 10 °, 20 °, 30 °, 40 °, 50 °, 60 °, 70 °, 80 °, 90 ° (limit) easily observes, and reaches a conclusion, and every latitude that parallel represents all is round values.Under the line on the line, 21 warps and equatorial line have 21 intersection points, and the length of equatorial line also is π R/180 between adjacent two intersection points, and every warp has the round values of expression longitude.
Be handle schematic diagram of the present invention such as Fig. 3 and Fig. 4, handle is that the right angle is cylindrical, and an end has an inserting column head, and the diameter of the aperture on the diameter of inserting column head and the transparent spherical shell sheet of half curcumbitate is identical.
Fig. 5 is the invention process schematic diagram, spheroid among the figure is the sphere of One Earth One Family instrument, radius is R, the limit of the transparent spherical shell sheet of half curcumbitate that is the terrestrial globe longitude and latitude detecting device of the present invention of R to radius overlaps with the limit of terrestrial globe, the equatorial line of the transparent spherical shell sheet of half curcumbitate overlaps with the equatorial line of terrestrial globe, the transparent spherical shell sheet of mobile half curcumbitate makes the warp of a redness overlap with a certain warp on the terrestrial globe, just can detect the longitude and latitude of certain point on the terrestrial globe.
The basic geography information graticules of embodiment 1 terrestrial globe product is accurate, and test result is qualified method.
Make the terrestrial globe longitude and latitude detecting device of the present invention that radius is respectively the radius different sizes such as 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 150mm, 200mm, 250mm, 300mm, 350mm and 400mm, stand-by.
For detected terrestrial globe, its radius is R, selecting radius is the terrestrial globe longitude and latitude detecting device of the present invention of R, the limit of the transparent spherical shell sheet of detecting device half curcumbitate is overlapped with detected terrestrial globe arctic point, regulate handle, making a warp and Northern Hemisphere longitude is that integer-valued warp overlaps, and for example, the 1st warp overlaps with 110 ° of east longitudes (110 ° of E) on the transparent spherical shell sheet of half curcumbitate.If equatorial line overlaps with equatorial line on the terrestrial globe on the transparent spherical shell of half curcumbitate sheet, be and correctly used terrestrial globe longitude and latitude detecting device of the present invention.
If other parallels, such as 40 ° of parallel circles of north latitude, the Arctic Circle, the tropic of Cancer etc., corresponding one by one with 40 ° of parallels, the Arctic Circle, the tropic of Cancer on the terrestrial globe longitude and latitude detecting device of the present invention, overlap respectively, can judge: the graticules data are accurate in the basic geography information of this terrestrial globe product, judge that terrestrial globe is specification product.
Graticules is inaccurate in the basic geography information of embodiment 2 terrestrial globe products, and test result is underproof method.
Prepare the different terrestrial globe longitude and latitude detecting device of the present invention of specification, for detected terrestrial globe, its radius is R, selecting radius is the terrestrial globe longitude and latitude detecting device of the present invention of R, the limit of the transparent spherical shell sheet of half curcumbitate in the detecting device is overlapped with the Geophysical South Pole of the terrestrial globe that is detected, regulate handle, article one warp on the half curcumbitate spherical shell sheet is overlapped with a warp on the terrestrial globe, for example overlap with 70 ° in west longitude (70 ° of W) warp, if the equatorial line on the transparent spherical shell sheet of half curcumbitate, or the tropic, corresponding parallel on polar circle line etc. and the terrestrial globe, overlap not all correspondingly, perhaps 10 ° or 15 ° scope on the transparent spherical shell sheet of half curcumbitate, can not be identical with the scope of 10 ° on the terrestrial globe or 15 °, as long as have or greater than, or less than phenomenon, can judge: the graticules data are inaccurate in the basic geography information of this terrestrial globe product, judge that terrestrial globe is substandard product.
Use terrestrial globe longitude and latitude detector measures of the present invention, or read the longitude and latitude of certain position, these embodiment can be for the teachers and students of middle and primary schools reference and being widely used in the education activities of geography.
Near terrestrial globe point A, select the intersection point A of a warp and a parallel
0(X
0, Y
0), X wherein
0Be an A
0Longitude, Y
0Be an A
0Latitude.Use terrestrial globe longitude and latitude detecting device of the present invention and measure an A with respect to an A
0The added value (△ x, △ y) of longitude and latitude, wherein, △ x is that the longitude of an A is with respect to an A
0The added value of longitude, △ y is that the latitude of an A is with respect to an A
0The added value of latitude, for longitude added value △ x, respectively take east longitude as standard, or to the west of the footpath be standard, such as the longitude of fruit dot A than putting an A
0Longitude large, △ x be designated as on the occasion of, such as the longitude of fruit dot A than a some A
0Longitude little, △ x is designated as negative value.For the added value △ y of latitude, respectively take north latitude as standard, or take south latitude as standard, such as the latitude ratio point A of fruit dot A
0Latitude large, △ y be designated as on the occasion of, such as the latitude of fruit dot A than a some A
0Latitude little, △ y is designated as negative value.
According to the dicision rules of this agreement, use the longitude and latitude of certain point on the terrestrial globe longitude and latitude detector measures terrestrial globe of the present invention, can directly use equation
A（x,y）=(X
0+△x,Y
0+△y)
Middle x=X
0+ △ x, y=Y
0Two mathematical formulaes of+△ y calculate, and easily record the longitude and latitude of an A, read or write out the longitude and latitude of an A.Wherein, the longitude of some A is x, and the latitude of some A is y.
Embodiment 3 uses the longitude and latitude of terrestrial globe longitude and latitude detector measures point A of the present invention on the terrestrial globe Northern Hemisphere.
On the terrestrial globe Northern Hemisphere, select immediate some A with some A near the known point A
0(80 ° of E,
40 ° of N), some A
0Longitude and latitude be 80 ° of east longitudes, 40 ° of north latitude, the some A be positioned at an A
0Near.The limit of the transparent spherical shell sheet of terrestrial globe longitude and latitude detecting device half curcumbitate of the present invention is overlapped with the South Pole of terrestrial globe, 80 ° of warps of a warp and east longitude on the transparent spherical shell sheet of half curcumbitate overlap, the position of observation point A, some A is with respect to an A on the transparent spherical shell sheet of half melon type
0The added value of longitude is △ x, and some A is with respect to an A on the transparent spherical shell sheet of half curcumbitate
0The added value of latitude is △ y, minute following 8 kinds of situations.
Such as fruit dot A at an A
0The positive north, △ x=0 then, the longitude and latitude of some A be (80 ° of E, (40 °+
△ y °) N), △ y be on the occasion of.
Such as fruit dot A at an A
0Due South, △ x=0 then, the longitude and latitude of some A be (80 ° of E, (40 °+
△ y °) N), △ y is negative value.
Such as fruit dot A at an A
0Positive west, △ y=0 then, the longitude and latitude of some A is (x ° of 80 °+△) E, 40 ° of N), △ x is negative value.
Such as fruit dot A at an A
0Positive east, △ y=0 then, the longitude and latitude of some A is (x ° of 80 °+△) E, 40 ° of N), △ x be on the occasion of.
Such as fruit dot A not at an A
0Due east, due south, Zheng Xi, Zheng Bei, harmless establishing | △ x|=7.5 °,
| △ y |=10.4 °, minute following 4 kinds of situations.
Such as fruit dot A at an A
0The east by north direction, △ x ﹥ 0 so, △ y ﹥ 0, the longitude and latitude of some A is
（87.5°E,50.4°N）。
Such as fruit dot A at an A
0West by north direction, △ x ﹤ 0 so, △ y ﹥ 0, the longitude and latitude of some A is
（72.5°E,50.4°N）。
Such as fruit dot A at an A
0West by south direction, △ x ﹤ 0 so, △ y ﹤ 0, the longitude and latitude of some A is
（72.5°E,39.6°N）。
Such as fruit dot A at an A
0The east by south direction, △ x ﹥ 0 so, △ y ﹤ 0, the longitude and latitude of some A is
（87.5°E,39.6°N）。
Supposing to have with the nearest warp of a B and the intersection point of a parallel is B
0(8 ° of W, 72 ° of N), some B is at a B
0The east by north direction, use terrestrial globe longitude and latitude detecting device of the present invention and record a B with respect to a B
0The added value of longitude and latitude | △ x|=12 °, | △ y|=8 °, so because some B at a B
0The east by north direction on, so △ x ﹤ 0, △ y ﹥ 0, therefore, computation formula B(x, y)=(X
0+ △ x, Y
0+ △ y), consider some B
0In 8 ° in west longitude, 72 ° of north latitude are located B(x, y)=((8-12) ° W, (72+8) ° N)=(4 ° of W, 80 ° of N), here, some B is at a B
0The east by north direction, the longitude of some B is than some B
0Longitude than the some B
0Longitude little, so △ x gets negative value, and-4 ° of W are west longitudes-4 °, are exactly 4 ° of east longitudes, some B
0In the east by north direction, namely put B
0Successively walk 12 ° eastwards, when having walked 8 °, 0 ° in the west longitude of having arrived, namely east longitude is 0 °, walks 4 ° eastwards again, so final sumbission should be 4 ° of east longitudes.Therefore, the longitude and latitude of some B is (4 ° of E, 80 ° of N).Here, decision-point B puts B at east longitude
0At west longitude, relatively more crucial.
For example, near the known point C on the terrestrial globe the Southern Hemisphere, select and some C
0(100 ° of W, 70 ° of S), the longitude and latitude of namely putting C are 70 ° in 100 ° of south latitudes of west longitude, and some C is positioned at a C
0Near.
Limit on the transparent spherical shell sheet of terrestrial globe longitude and latitude detecting device half curcumbitate of the present invention is overlapped with the South Pole of terrestrial globe, 100 ° of warps of a warp and west longitude on the transparent spherical shell sheet of half curcumbitate overlap, the longitude of point C on the transparent spherical shell sheet of half curcumbitate is established with respect to a C in the position of observation point C
0The added value △ x of longitude, the latitude of some C is with respect to a C
0The added value △ y of latitude, minute following 8 kinds of situations.
Such as fruit dot C at a C
0The positive north, △ x=0 then, the longitude and latitude of some C be (100 ° of W, (70 °+
△ y °) S), △ y is negative value.
Such as fruit dot C at a C
0Due South, △ x=0 then, the longitude and latitude of some C be (100 ° of W, (70 °+
△ y °) S), △ y be on the occasion of.
Such as fruit dot C at a C
0Positive west, △ y=0 then, the longitude and latitude of some C is (x ° of 100 °+△) W, 70 ° of S), △ x be on the occasion of.
Such as fruit dot C at a C
0Positive east, △ y=0 then, the longitude and latitude of some C is (x ° of 100 °+△) W, 70 ° of S), △ x is negative value.
Such as fruit dot C not at a C
0Due east, due south, Zheng Xi, Zheng Bei, harmless establishing | △ x|=6 °,
| △ y |=10 °, minute following 4 kinds of situations.
Such as fruit dot C at a C
0The east by north direction, △ x ﹤ 0 so, △ y ﹤ 0, the longitude and latitude of some C is
（94°W,60°S）。
Such as fruit dot C at a C
0West by north direction, △ x ﹥ 0 so, △ y ﹤ 0, the longitude and latitude of some C is
（106°W,60°S）。
Such as fruit dot C at a C
0West by south direction, △ x ﹥ 0 so, △ y ﹥ 0, the longitude and latitude of some C is
（106°W,80°S）。
Such as fruit dot C at a C
0The east by south direction, △ x ﹤ 0 so, △ y ﹥ 0, the longitude and latitude of some C is
（94°W,80°S）。
" terrestrial globe longitude and latitude detecting device " two most important detection principles are that the sphere that radius equals R has arc length equality and location positioning.
By above-described embodiment and producing principle thereof, to be not difficult to find out, radius is the parallel great circle on the plane, place, equator of R, 1st/360th of its girth 2 π R, π R/180 is that adjacent two warps are gone up the arc length at interval under the line in 1 ° of scope.Every warp all is that radius is the semicircle of R, 1st/180th of the long π R of warp semicircle, and π R/180 is the arc length at adjacent two parallel intervals on meridian in 1 ° of scope.
In 1 ° of scope, two warps are gone up the arc length of interval π R/180 under the line, and are equal with the arc length of two parallel π R/180 in interval on meridian, are exactly the arc length equality that the present invention detects principle.
Use with identical " the terrestrial globe longitude and latitude detecting device " of terrestrial globe radius, the limit of detecting device overlaps with the limit of terrestrial globe, equatorial line on the detecting device concave surface must overlap with the equatorial line on the terrestrial globe sphere, and the present invention that Here it is detects the location positioning of principle.
Using by " terrestrial globe longitude and latitude detecting device ", mainly is that mathematical knowledge technical ability and the geometry of objects feature of using arc length equality and location positioning promotes grown place globe process to reduce error, improves quality.
Claims (4)
1. terrestrial globe longitude and latitude detecting device, it is characterized in that: be printed on longitude on the transparent spherical shell sheet of half curcumbitate (1) and be 20 °, latitude and be 90 ° graticules, and mark has warp (2), parallel (3), limit (4), equatorial line (5), polar circle line (6) and the tropic (7); The radius of the transparent spherical shell sheet of half curcumbitate (1) concave surface place ball is R, and R is identical with the terrestrial globe spherical radius that needs the detection longitude and latitude.
2. terrestrial globe longitude and latitude detecting device according to claim 1, it is characterized in that: described equatorial line (5) marks between (4) to the extreme 9 local parallels, be respectively 0 °, 10 °, 20 °, 30 °, 40 °, 50 °, 60 °, 70 °, 80 °, 90 ° of limit place marks; Every warp (2) length is π R/2, and every warp all is divided into 90 parts by 90 parallels, and the arc length of every portion is π R/180; Equatorial line (5) length is π R/9, is divided into 20 parts by 20 warps, and the arc length of every portion is π R/180.
3. terrestrial globe longitude and latitude detecting device according to claim 1, it is characterized in that: the graticules both sides, lower end of the transparent spherical shell sheet of described half curcumbitate (1) are drilled with respectively aperture, and a handle (9) that is L-type can be installed on each aperture.
4. terrestrial globe longitude and latitude detecting device according to claim 1, it is characterized in that: described graticules is printed on the inner concave of the transparent spherical shell sheet of half curcumbitate (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310057258.0A CN103075996B (en) | 2013-02-25 | 2013-02-25 | Globe longitude and latitude detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310057258.0A CN103075996B (en) | 2013-02-25 | 2013-02-25 | Globe longitude and latitude detector |
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|---|---|
| CN103075996A true CN103075996A (en) | 2013-05-01 |
| CN103075996B CN103075996B (en) | 2014-11-05 |
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ID=48152610
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310057258.0A Expired - Fee Related CN103075996B (en) | 2013-02-25 | 2013-02-25 | Globe longitude and latitude detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042685A (en) * | 2016-11-18 | 2017-08-15 | 庞鸿宇 | The sub- printing machine of the colo(u)r specification of sphere four |
| CN108896006A (en) * | 2018-05-18 | 2018-11-27 | 惠安县金建达电子科技有限公司 | A kind of detection method of underground longitude and latitude |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3100353A (en) * | 1961-03-17 | 1963-08-13 | Nat Geographic Soc | Globe support and measuring device |
| US3997980A (en) * | 1975-11-05 | 1976-12-21 | National Geographic Society | Globe and measuring device |
| CN201910196U (en) * | 2010-12-27 | 2011-07-27 | 葛茂文 | Quickly and accurately positioning globe |
| CN102466646A (en) * | 2011-12-07 | 2012-05-23 | 江苏腾晖电力科技有限公司 | Appearance detection method of quasi-monocrystalline silicon wafer |
-
2013
- 2013-02-25 CN CN201310057258.0A patent/CN103075996B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3100353A (en) * | 1961-03-17 | 1963-08-13 | Nat Geographic Soc | Globe support and measuring device |
| US3997980A (en) * | 1975-11-05 | 1976-12-21 | National Geographic Society | Globe and measuring device |
| CN201910196U (en) * | 2010-12-27 | 2011-07-27 | 葛茂文 | Quickly and accurately positioning globe |
| CN102466646A (en) * | 2011-12-07 | 2012-05-23 | 江苏腾晖电力科技有限公司 | Appearance detection method of quasi-monocrystalline silicon wafer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042685A (en) * | 2016-11-18 | 2017-08-15 | 庞鸿宇 | The sub- printing machine of the colo(u)r specification of sphere four |
| CN108896006A (en) * | 2018-05-18 | 2018-11-27 | 惠安县金建达电子科技有限公司 | A kind of detection method of underground longitude and latitude |
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| CN103075996B (en) | 2014-11-05 |
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