CN106994856B - A kind of electronics ellipsograph - Google Patents

A kind of electronics ellipsograph Download PDF

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Publication number
CN106994856B
CN106994856B CN201610049005.2A CN201610049005A CN106994856B CN 106994856 B CN106994856 B CN 106994856B CN 201610049005 A CN201610049005 A CN 201610049005A CN 106994856 B CN106994856 B CN 106994856B
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China
Prior art keywords
focus
straight
bar
ellipsograph
electronics
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CN201610049005.2A
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CN106994856A (en
Inventor
翁金环
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Suzhou Chuangming Software Technology Co.,Ltd.
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翁金环
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Priority to CN201610049005.2A priority Critical patent/CN106994856B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L11/00Non-circular-curve-drawing instruments
    • B43L11/02Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses

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  • Input From Keyboards Or The Like (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Abstract

The invention discloses a kind of electronics ellipsograph, including housing, knob, clump weight, computing control system, visual slot, mobile rotation focus, straight-bar, focus track groove, center;Operating personnel pass through simply to a, b value in the heart, dead axle, the oval normal equation of input, you can fast automatic to draw out required ellipse.The present invention is defined with elliptical polar coordinates, and drafting obtains accurate ellipse, breaches the method in the past using circular arc simulation or manual drawing.

Description

A kind of electronics ellipsograph
Technical field
The present invention relates to electronic stationery apparatus fields, and in particular to a kind of electronics ellipsograph.
Background technology
Ellipse is a kind of common geometric figure, not only in teaching, and also it is also more in the application of industry-by-industry.So And due to elliptical particularity, it is a very troublesome thing to draw ellipse, although there is a kind of ellipsograph now, and And it is theoretically feasible, but practical operation get up it is but very inconvenient.
At present, draw oval most easy method be " four-arcs method " it be suitable for positive wait of circle and survey the technique of painting, i.e., with four sections Circular arc approx replaces elliptic arc, and this technique of painting drafting is cumbersome, and efficiency is low, and in teaching, teacher draws ellipse on blackboard to disappear The a large amount of time is consumed, reduces the time for really teaching knowledge, student does topic picture ellipse, the speed done and inscribed can be also reduced, in work Using upper, designer Ruo Yin draws oval and stops over a large amount of time industry, can substantially reduce working efficiency, from entire industry, It is reduction of the development speed of entire industry.Therefore, no matter in teaching or in commercial Application, it is oval to be all badly in need of a kind of picture Simple and rapid device, with the raising for the efficiency that gives an impulse to education and industrial expansion.
Invention content
It is an object of the invention to overcome problem above of the existing technology, provide it is a kind of draw it is oval easily and fast Electronics oval scale.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme:
A kind of electronics ellipsograph, including housing, knob, clump weight, computing control system, visual slot, mobile rotation focus, Straight-bar, focus track groove, center, it is characterised in that:The knob, computing control system, visual slot, center are located at housing Front;The clump weight is located at enclosure interior and positioned at knob side;The mobile rotation focus, straight-bar, focus rail Road slot is located inside housing bottom surface;The mobile rotation focus, straight-bar are by computing control system controlled motion;The operation Control system includes digital display screen, input small keyboard, power port, arithmetic unit, rotary motion controller, focus linear motion control Device processed, straight-bar linear motion controller;The electronics ellipsograph operates operation by following step:
S1)To the heart, center is aligned with drawn coordinate axis origin;
S2)Dead axle, the visual slot are slotted equipped with dead axle, using center as center of circle rotating electron ellipsograph, make coordinate Axis X-axis negative direction is overlapped with dead axle fluting and is aligned;
S3)Open electronics ellipsograph, digital display screen display input standard ellipse EQUATION x ^2/a^2+y^2/b^2=1, (a> b>0) a, b value in are inputted by input small keyboard and by the arithmetic unit in computing control system according to wherein a^2-c^2=b^2 Elliptical left focus needed for calculating(- c, 0), the mobile rotation focus of focus linear motion controller driving is in focus track groove Move to left focus(- c, 0)Position;
S4)It is defined according to oval polar equation, ellipse is with left focus(- c, 0)For pole, elliptical arbitrary point P(ρ, θ) All meet ρ=ep/(1-ecosθ), wherein e=c/a, p=b^2/c;The straight-bar is equipped with nib, and ρ is mobile rotation focus To the length of nib, θ is straight-bar and X-axis forward direction angle, is changed to 360 ° from 0 ° and is driven by rotary motion controller, is driven at center Straight-bar is rotated centered on mobile rotation focus, while straight-bar linear motion controller driving straight-bar movement, moment keep ρ=ep/ (1-ecos θ), the track that nib is drawn are required oval.
Further, the clump weight is located at knob both sides with computing control system respectively, balances left and right weight.
Further, equipped with accumulator or more piece dry cell or external power interface in the power port.
Further, the nib is detachable, is convenient for changing.
Further, left focus in step S3, S4(- c, 0)It can be replaced right focus(C, 0), oval polar coordinates Equation is also accordingly replaced with right focus(C, 0)Polar equation for pole;The focus track groove is using left focus (- c, 0)With minus half overlapping of axles of X-axis during as pole, right focus is being used(C, 0)It is overlapped during as pole with X-axis positive axis.
The beneficial effects of the invention are as follows:The present invention provides a kind of simple and accurate for elliptical fast and accurately drawing Electronics ellipsograph, operating personnel pass through simply to a, b value in the heart, dead axle, the oval normal equation of input, you can fast automatic Draw out required ellipse.The present invention is defined with elliptical polar coordinates, and drafting obtains accurate ellipse, breaches previous use Circular arc is simulated or the method for manual drawing.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after attached drawing is coordinated to be described in detail such as. The specific embodiment of the present invention is shown in detail by following embodiment and its attached drawing.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is a kind of electronics ellipsograph front schematic view of the present invention;
Fig. 2 is a kind of electronics ellipsograph close-up schematic view of the present invention;
Fig. 3 is a kind of electronics ellipsograph bottom schematic view of the present invention;
Fig. 4 is a kind of electronics ellipsograph bottom movement schematic diagram of the present invention;
Figure label explanation:Housing 1, knob 2, clump weight 3, computing control system 4, visual slot 5, mobile rotation focus 6, Straight-bar 7, focus track groove 8, center 9, knob mounting hole 21, digital display screen 41, input small keyboard 42, power port 43, dead axle Fluting 51, nib 71, to axis fluting 72.
Specific embodiment
It is below with reference to the accompanying drawings and in conjunction with the embodiments, next that the present invention will be described in detail.
With reference to shown in Fig. 1-4, a kind of electronics ellipsograph, including housing 1, knob 2, clump weight 3, computing control system 4, can Depending on slot 5, mobile rotation focus 6, straight-bar 7, focus track groove 8, center 9, it is characterised in that:The knob 2, operation control System 4, visual slot 5, center 9 are located at the front of housing 1;The clump weight 3 is located at 1 inside of housing and positioned at 2 side of knob; The mobile rotation focus 6, straight-bar 7, focus track groove 8 are located inside 1 bottom surface of housing;It is the mobile rotation focus 6, straight Bar 7 is by 4 controlled motion of computing control system;The computing control system 4 include digital display screen 41, input small keyboard 42, Power port 43, arithmetic unit, rotary motion controller, focus linear motion controller, straight-bar linear motion controller;The electricity Sub- ellipsograph operates operation by following step:
S1)To the heart, center 9 is aligned with drawn coordinate axis origin;
S2)Dead axle, the visual slot 5 are equipped with dead axle fluting 51, with center 9 for center of circle rotating electron ellipsograph, make Reference axis X-axis negative direction is overlapped with dead axle fluting 51 and is aligned;
S3)Electronics ellipsograph is opened, the display of digital display screen 41 inputs standard ellipse EQUATION x ^2/a^2+y^2/b^2=1, (a>b>0)In a, b value, inputted by input small keyboard 42 and by the arithmetic unit in computing control system 4 according to wherein a^2-c ^2=b^2 calculates required elliptical left focus(- c, 0), the mobile rotation focus 6 of focus linear motion controller driving is in focus Left focus is moved in track groove 8(- c, 0)Position;
S4)It is defined according to oval polar equation, ellipse is with left focus(- c, 0)For pole, elliptical arbitrary point P(ρ, θ) All meet ρ=ep/(1-ecosθ), wherein e=c/a, p=b^2/c;It is mobile rotary coke that the straight-bar 7, which is equipped with 71, ρ of nib, To the length of nib 71, θ is straight-bar 7 and X-axis forward direction angle, is changed to 360 ° from 0 ° and is driven by rotary motion controller at point 6 centers It is dynamic, straight-bar 7 is driven to be rotated centered on mobile rotation focus 6, while straight-bar linear motion controller driving straight-bar 7 moves, when It carves and keeps ρ=ep/(1-ecosθ), the track that nib 71 is drawn is required oval.
Further, the clump weight 3 is located at 2 both sides of knob with computing control system 4 respectively, balances left and right weight.
Further, equipped with accumulator or more piece dry cell or external power interface in the power port 43.
Further, the nib 71 is detachable, is convenient for changing.
Further, left focus in step S3, S4(- c, 0)It can be replaced right focus(C, 0), oval polar coordinates Equation is also accordingly replaced with right focus(C, 0)Polar equation for pole;The focus track groove 8 is using left focus (- c, 0)With minus half overlapping of axles of X-axis during as pole, right focus is being used(C, 0)It is overlapped during as pole with X-axis positive axis.
The present invention provides a kind of simple and accurate electronics ellipsograph for elliptical fast and accurately drawing, and operating personnel are led to It crosses simply to a, b value in the heart, dead axle, the oval normal equation of input, you can fast automatic to draw out required ellipse.This hair Bright to be defined with elliptical polar coordinates, drafting obtains accurate ellipse, breaches previous using circular arc simulation or manual drawing Method.
The foregoing is only a preferred embodiment of the present invention, not makees limitation in any form to the present invention;It is all The those of ordinary skill of the industry can be shown in by specification attached drawing and described above and swimmingly implement the present invention;It is but all Those skilled in the art without departing from the scope of the present invention, are done using disclosed above technology contents The equivalent variations of a little variation, modification and evolution gone out are the equivalent embodiment of the present invention;Meanwhile it is all according to the present invention Variation, modification and evolution of any equivalent variations that substantial technological makees above example etc. still fall within the skill of the present invention Within the protection domain of art scheme.

Claims (6)

1. a kind of electronics ellipsograph, including housing(1), knob(2), clump weight(3), computing control system(4), visual slot(5)、 Mobile rotation focus(6), straight-bar(7), focus track groove(8), center(9), it is characterised in that:The knob(2), operation Control system(4), visual slot(5), center(9)Positioned at housing(1)Front;The clump weight(3)Positioned at housing(1)It is internal And positioned at knob(2)Side;The mobile rotation focus(6), straight-bar(7), focus track groove(8)Positioned at housing(1)Bottom surface It is internal;The mobile rotation focus(6), straight-bar(7)By computing control system(4)Controlled motion;The operation control system System(4)Including digital display screen(41), input small keyboard(42), power port(43), arithmetic unit, rotary motion controller, focus Move along a straight line controller, straight-bar linear motion controller;The electronics ellipsograph operates operation by following step:
S1)To the heart, by center(9)It is aligned with drawn coordinate axis origin;
S2)Dead axle, the visual slot(5)Dead axle is equipped with to slot(51), with center(9)For center of circle rotating electron ellipsograph, Reference axis X-axis negative direction is made to slot with dead axle(51)Overlap alignment;
S3)Open electronics ellipsograph, digital display screen(41)Display input standard ellipse EQUATION x ^2/a^2+y^2/b^2=1, (a> b>0) a, b value in, pass through input small keyboard(42)It inputs and by computing control system(4)In arithmetic unit according to wherein a^2- C^2=b^2 calculates required elliptical left focus(- c, 0), the mobile rotation focus of focus linear motion controller driving(6)In coke Point track groove(8)In move to left focus(- c, 0)Position;
S4)It is defined according to oval polar equation, ellipse is with left focus(- c, 0)For pole, elliptical arbitrary point P(ρ, θ) it is all full Sufficient ρ=ep/ (1-ecos θ), wherein e=c/a, p=b^2/c;The straight-bar(7)It is equipped with nib(71), ρ is mobile rotary coke Point(6)Center is to nib(71)Length, θ is straight-bar(7)With X-axis forward direction angle, 360 ° are changed to from 0 ° by rotary motion control Device driving processed, drives straight-bar(7)Focus is rotated with mobile(6)Centered on rotate, while straight-bar linear motion controller driving is straight Bar(7)Movement, moment keep ρ=ep/ (1-ecos θ), nib(71)The track drawn is required oval.
2. a kind of electronics ellipsograph according to claim 1, it is characterised in that:The clump weight(3)With operation control System(4)It is located at knob respectively(2)Both sides balance left and right weight.
3. a kind of electronics ellipsograph according to claim 1, it is characterised in that:The power port(43)It is interior that electric power storage is housed Pond or more piece dry cell or external power interface.
4. a kind of electronics ellipsograph according to claim 1, it is characterised in that:The straight-bar(7)On be additionally provided with to axis Fluting(72), it is described to slot to axis(72)It slots at θ=0 ° with dead axle(51)Alignment.
5. a kind of electronics ellipsograph according to claim 1, it is characterised in that:The nib(71)To be detachable, It is convenient for changing.
6. a kind of electronics ellipsograph according to claim 1, it is characterised in that:Left focus in step S3, S4(- C, 0)It can be replaced right focus(C, 0), oval polar equation also accordingly replaced with right focus(C, 0)Polar coordinates for pole Equation;The focus track groove(8)Using left focus(- c, 0)With minus half overlapping of axles of X-axis during as pole, the right side is being used Focus(C, 0)It is overlapped during as pole with X-axis positive axis.
CN201610049005.2A 2016-01-25 2016-01-25 A kind of electronics ellipsograph Active CN106994856B (en)

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Application Number Priority Date Filing Date Title
CN201610049005.2A CN106994856B (en) 2016-01-25 2016-01-25 A kind of electronics ellipsograph

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Application Number Priority Date Filing Date Title
CN201610049005.2A CN106994856B (en) 2016-01-25 2016-01-25 A kind of electronics ellipsograph

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CN106994856A CN106994856A (en) 2017-08-01
CN106994856B true CN106994856B (en) 2018-06-29

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112793339A (en) * 2021-02-04 2021-05-14 日照职业技术学院 Mathematics teaching is with automatic drawing device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2401847A1 (en) * 1974-01-16 1975-07-17 Walter Stapperfend Elliptical drawing protractor - is fitted with gearing system operating on turning link and rotating leg
CN85203648U (en) * 1985-08-19 1986-08-06 钟金龙 Ellipsograph
CN2036493U (en) * 1988-08-06 1989-04-26 陆柏林 Multifunction combined gauge rule
CN2639016Y (en) * 2003-07-28 2004-09-08 韩永珠 Spindle ellipsograph
CN2764633Y (en) * 2005-02-01 2006-03-15 董飞 Ellipsograph
CN203697786U (en) * 2014-01-10 2014-07-09 张嘉润 Rectangular frame ellipse major axis, minor axis, original point and focus point determining instrument
CN204870229U (en) * 2015-08-18 2015-12-16 金陵科技学院 Oval instrument of construction drawing

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Address after: No.18, wuniushan Road, Qianyuan Town, Deqing County, Huzhou City, Zhejiang Province

Patentee after: Weng Jinhuan

Address before: 325204 Zhejiang city of Wenzhou province Ruian City Tangxia town Shao Zhai village primary school dormitory

Patentee before: Weng Jinhuan

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Effective date of registration: 20210917

Address after: 215200 room 213, building 23, 1188, West 2nd Ring Road, Shengze Town, Wujiang District, Suzhou City, Jiangsu Province

Patentee after: Suzhou Chuangming Software Technology Co.,Ltd.

Address before: 313200 No.18, wuniushan Road, Qianyuan Town, Deqing County, Huzhou City, Zhejiang Province

Patentee before: Weng Jinhuan

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