CN201556317U

CN201556317U - Dynamic sundial demonstrating instrument

Info

Publication number: CN201556317U
Application number: CN2009200606016U
Authority: CN
Inventors: 陈仲伟; 黎国平
Original assignee: GUANGZHOU XINJINGJIE DECORATION DESIGN CO Ltd
Current assignee: GUANGZHOU XINJINGJIE DECORATION DESIGN CO Ltd
Priority date: 2009-07-16
Filing date: 2009-07-16
Publication date: 2010-08-18
Anticipated expiration: 2019-07-16

Abstract

The utility model belongs to a demonstrating instrument for time instruments, in particular to a dynamic sundial demonstrating instrument, which comprises a sundial seat body, a circular sundial surface arranged on the sundial seat body, and a sundial needle which is vertically arranged in the middle of the sundial surface, wherein the sundial surface and the ground surface form an included angle of 66 degrees, traditional 12 dosing time, corresponding 12 Chinese Zodiacs and time scales are marked on the sundial surface, the bottom of the sundial surface is concentrically provided with an oval-shaped track plate, the circular sundial and the oval-shaped track plate are concentrically arranged in the same direction, the big diameter end of the oval-shaped track plate aligns to the mao period and you period in dosing time, the small diameter end aligns to son period and noon period, the upper portion of the sundial surface is provided with an analogy light source of an analogy sun lamp, an arc-shaped swing arm is connected on the analogy power supply, and a drive device which can drive the arc-shaped swing arm to do eccentric and centrifugal circulating motion along the edge of the oval-shaped track plate is connected on the arc-shaped swing arm. The dynamic sundial demonstrating instrument is not restricted by weather and time conditions, can demonstrate on exhibiting rooms and classrooms in a whole day, can reach direct, clear and interesting teaching effect in short time, and has strong scientific nature.

Description

A kind of dynamic corona demonstrator

Technical field

The utility model belongs to the demonstrator of timer, particularly a kind of dynamic corona demonstrator that moves the simulated solar photomovement that utilizes light.

Background technology

The equatorial corona is the time keeping instrument that Ancient Times in China is utilized the shadows cast by the sun minute, and it can accurately measure the variation of time.Form by sundial pin (pointer) and sundial face (disk).The sundial face of equatorial corona is parallel with the equatorial plane, and the altitude angle in equator is 66 degree 55 minutes.The sundial face has 24 scales, and each scale is represented one hour.Shining upon down, the shadow of sundial pin will be invested the sundial face.Because the sun moves from east to west, sundial pin shadow will move from west to east.So the sundial pin shadow that is moving just looks like the pointer of modern clock and watch, the sundial face then is the surface of clock and watch, comes instruction time with this.The Spring Equinox, the sun was in the operation of the north side of celestial equator between autumnal equinoctial period, and the shadow of sundial pin is just invested the north (top) of sundial face; During the Autumnal Equinox to the Spring Equinox, then in the operation of the southern side of celestial equator, the shadow of sundial pin is just invested the south (below) of sundial face to the sun.Usually, the equatorial corona has north and south sundial face, but this corona is only carved northern sundial face.

But for a long time, corona all is to show with static form, and must have sufficient sunlight, also needs to wait the change procedure that could observe its shadows cast by the sun than the long time simultaneously.Therefore, it seriously is subjected to the constraint of weather and time conditions, can't show in museum and classroom, also can't demonstrate round-the-clockly, can not help people to understand this ancient Chinese science and technology invention of corona preferably, and science popularization is not strong, poor practicability.

The utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of dynamic corona demonstrator is provided, this dynamic corona demonstrator is not subjected to the constraint of weather and time conditions, can on museum or classroom, demonstrate round-the-clockly, reach intuitively in the short time, understand and the educational effect of vivid and interesting that science popularization is strong.

In order to realize above-mentioned technical purpose, the utility model is realized by following technical scheme:

A kind of dynamic corona demonstrator described in the utility model, comprise the corona pedestal, place the discoid sundial face on the corona pedestal, and the sundial pin that is vertically installed in sundial face center, described sundial face becomes 66 degree angles with ground, be carved with traditional twelve two time on the described sundial face, the Dui Ying 12 symbolic animals associated with a 12 year cycle and time scale with it, the bottom of described sundial face is provided with the elliptical orbit plate, described discoid sundial face is provided with in the same way with ellipticity track plate is concentric, and during " fourth of the twelve Earthly Branches " of the bigger diameter end of ellipticity track plate in the division of day and night, when " tenth of the twelve Earthly Branches ", its miner diameter end is during over against " son " when " noon "; Described sundial face top is provided with the analog light source of simulated solar, is connected with the arc swing arm on the analog light source, is connected with in the arc swing arm to drive this arc swing arm along the drive unit of elliptical orbit edges of boards along the eccentric and centrifugal shuttling movement of work.

Described drive unit comprise drive motor, with the coaxial gear driving pair that is connected of the output shaft of drive motor, be connected with swivel arm on the wheel shaft of the engaged wheel of gear driving pair, the end of this swivel arm is connected with the bottom of arc swing arm, and the junction of described swivel arm and arc swing arm is provided with pressure spring.

Described corona pedestal comprises three upright imitative rock resin seat and bases that are connected in one, resin rock seat wherein placed in the middle comprises the pedestal panel and the pedestal side plate of inclination, the pedestal panel becomes 66 degree angle designs with surface level, form cavity between described pedestal panel and the pedestal side plate, be provided with the bracing frame that is used for the support drive motor in this cavity, support frame as described above comprises support base plate, support panel, and rack side plate, become 66 degree angles between described support panel and the support base plate, described drive motor is installed on the support panel.

Also be provided with locating shaft on the described support panel, this locating shaft vertically passes support panel, sundial face successively, the part of stretching out from the sundial face of described locating shaft is the sundial pin, the follower shaft of described gear driving pair is locating shaft, the interlude corresponding between pedestal panel and the track plate of described locating shaft is provided with the bearing transmission component, and this bearing transmission component comprises bearing, bearing holder (housing, cover) and bearing cap.

Described bearing transmission component periphery is covered with housing.

In order to observe the shadow shape that the sundial pin is become more clearly under the irradiation of analog light source, also be provided with the LED lamp panel between described sundial face and the elliptical orbit plate, this LED lamp panel is built-in with some luminous LED lamps, and analog light source comprises illuminating lamp and stainless steel lampshade.

In the utility model, described corona pedestal comprises imitative rock resin seat and base.

Described sundial face make to be shaped by transparent resin, the face processing of spraying paint.

Compared with prior art, the beneficial effects of the utility model are:

(1) the utility model drives swivel arm by drive unit, it is slided along average rate at parabola shaped track edges of boards, drive the arc swing arm simultaneously and make off-centre and centrifugal motion, with the cyclic process that realizes that shadows cast by the sun that analog light source irradiation sundial pin forms gradually lack, are not gradually had, gradually grow, make it not be subjected to the constraint of weather and time conditions, can demonstrate the invention of this ancient Chinese science and technology of corona round-the-clockly on museum and classroom, reach intuitively in the short time, the educational effect of clear and vivid and interesting, science popularization is strong.

(2) the utility model can also be controlled the unlatching and the time-out of this demonstrator by remote manipulator, and is simple to operation.

Description of drawings

Fig. 1 is the front schematic view of the dynamic corona demonstrator of the utility model;

Fig. 2 is the side schematic view of the dynamic corona demonstrator of the utility model;

Fig. 3 is the stereographic map of the dynamic corona demonstrator of the utility model;

Fig. 4 is the internal view of the dynamic corona demonstrator of the utility model;

Fig. 5 is the dynamic corona demonstrator of a utility model rear view;

Fig. 6 is the view of the dynamic corona demonstrator simulation of the utility model shadows cast by the sun length gradual change;

Fig. 7 is the view that the dynamic corona demonstrator simulation of the utility model shadows cast by the sun gradually do not have;

Fig. 8 is the gradually long view of the dynamic corona demonstrator simulation of the utility model shadows cast by the sun.

Embodiment

As Fig. 1～shown in Figure 4, dynamic corona demonstrator described in the utility model, comprise corona pedestal 1, place the discoid sundial face 2 on the corona pedestal 1, and the sundial pin 3 that is vertically installed in sundial face 2 centers, sundial face 3 becomes 66 degree to tilt with ground angle, also be carved with traditional twelve two time, the corresponding 12 symbolic animals associated with a 12 year cycle and the time scale of 12 hours systems on the sundial face 2, sundial face 2 is made by transparent resin and is shaped, the face processing of spraying paint.

In addition, in the bottom of sundial face 2 with one heart and in the same way be provided with elliptical orbit plate 4, also be provided with the LED lamp panel 5 that is used to throw light between this sundial face 2 and the elliptical orbit plate 4, this LED lamp panel 5 is built-in with some luminous LED lamps.

In order to have simulate effect preferably, as shown in Figure 1, during " fourth of the twelve Earthly Branches " of the bigger diameter end of ellipticity track plate 4 in the division of day and night, when " tenth of the twelve Earthly Branches ", the corresponding Chinese zodiac is " rabbit " " chicken ", and time corresponding is early " 6 " point and late " 6 " point, and its miner diameter end is during over against " son " when " noon ", the corresponding Chinese zodiac is " mouse " " horse ", time corresponding be night " 12 " point and high noon " 12 " point; Sundial face 2 tops are provided with the analog light source 6 of simulated solar, are connected with arc swing arm 7 on the analog light source 6, are connected with in the arc swing arm 6 to drive eccentric and centrifugal shuttling movement is made in this arc swing arm 6 along elliptical orbit plate 4 edges drive unit.Analog light source 6 comprises illuminating lamp 61 and stainless steel lampshade 62.

In the utility model, described drive unit comprise drive motor 30, with the coaxial gear driving pair that is connected 8 of the output shaft of drive motor 30, be connected with swivel arm 9 on the wheel shaft of the engaged wheel of described gear driving pair 8, the end of this swivel arm 9 is connected with the bottom of arc swing arm 7, the edge of being close to elliptical orbit plate 4 for arc swing arm 7 drive analog light sources 6 at the uniform velocity slides, and described swivel arm 9 is provided with pressure spring 10 with the junction of arc swing arm 7.

As Fig. 2,3, shown in 4, described corona pedestal 1 comprises three upright resin rock seat 11 and resin bases 12 that are connected in one, resin rock seat 11 wherein placed in the middle comprises the pedestal panel 111 and the pedestal side plate 112 of inclination, pedestal panel 111 becomes 66 degree angle designs with surface level, form cavity between pedestal panel 111 and the pedestal side plate 112, be provided with the bracing frame 20 that is used for support drive motor 7 in this cavity, bracing frame 20 comprises support base plate 21, support panel 22, and rack side plate 23, become 66 degree angles between described support panel 22 and the support base plate 21, drive motor 30 is installed on this support panel 22, the resin rock seat 11 of both sides places both sides, and is symmetrical arranged.

As shown in Figure 4, also be provided with locating shaft 15 on the described support panel 22, this locating shaft 15 vertically passes support panel 22, sundial face 2 successively, the part of stretching out from sundial face 2 of described locating shaft 15 is sundial pin 3, and the follower shaft of gear driving pair 8 is locating shaft 15, the interlude corresponding between pedestal panel 111 and the track plate 4 of locating shaft 15 is provided with bearing transmission component 13, this bearing transmission component 13 comprises bearing, bearing holder (housing, cover) and bearing cap, for pre-dust protection etc. enters, described bearing transmission component 13 peripheries are covered with housing 14.

The course of work of the dynamic corona demonstrator of the utility model is:

Open drive motor

7,8 motions of driven wheel transmission, thereby drive swivel arm 9, arc swing arm 7 and analog light source 6 and do eccentric and centrifugal moving along the edge of elliptical orbit plate 4, as shown in Figure 6, when turning round, can shine the situation that the shadow of sundial pin is observed the length gradual change of shadows cast by the sun from analog light source to the period of the day from 1 a.m. to 3 a.m., the period of the day from 3 am to 5 am, the period of the day from 7 a. m. to 9 a.m., the period of the day from 9 a.m. to 11 a.m., the period of the day from 1 p.m. to 3 p.m., the period of the day from 3 p.m. to 5 p.m., the period of the day from 9 p.m. to 11 p.m, penta the time; As shown in Figure 7, when turning round to the period of the day from 11 p.m. to 1 a.m, the period of the day from 11 a.m. to 1 p.m, because the bigger diameter end of elliptical orbit plate 4 over against this two constantly, shadows cast by the sun gradually do not have as can be seen; As shown in Figure 8, when turning round to the period of the day from 5 am. to 7 am., the period of the day from 5 p.m. to 7 p.m, shadow is the longest because the miner diameter end of elliptical orbit plate 4 over against this two moment, is set a date as can be seen this moment.

By dynamic corona demonstrator described in the utility model, how can understand Ancient Times in China preferably utilizes shadows cast by the sun accurately to measure the variation of time, make people more deep and perceptual understanding be arranged to astronomical geography knowledge, play the educational effect of popular science knowledge preferably, and it is not subjected to the restriction of weather and time, practicality is good, and the demonstration effect is good.

The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not broken away from spirit and scope of the present utility model, if these are changed and modification belongs within claim of the present utility model and the equivalent technologies scope, then the utility model also comprises these changes and modification.

Claims

1. dynamic corona demonstrator, comprise the corona pedestal, place the discoid sundial face on the corona pedestal, and the sundial pin that is vertically installed in sundial face center, the sundial face becomes 66 degree angles with ground, it is characterized in that: the 12 symbolic animals associated with a 12 year cycle and the time scale that are carved with traditional twelve two time, correspondence on the described sundial face, the bottom of described sundial face is concentric is provided with the elliptical orbit plate, discoid sundial face is provided with in the same way with ellipticity track plate is concentric, and during " fourth of the twelve Earthly Branches " of the bigger diameter end of ellipticity track plate in the division of day and night, when " tenth of the twelve Earthly Branches ", its miner diameter end is during over against " son " when " noon "; Described sundial face top is provided with the analog light source of simulated solar, is connected with the arc swing arm on the analog light source, and drive unit drives swing arm and makes eccentric and centrifugal shuttling movement along the elliptical orbit edges of boards.

2. dynamic corona demonstrator according to claim 1, it is characterized in that: described drive unit comprise drive motor, with the coaxial gear driving pair that is connected of the output shaft of drive motor, be connected with swivel arm on the wheel shaft of the engaged wheel of gear driving pair, the end of this swivel arm is connected with the bottom of arc swing arm, and the junction of swivel arm and arc swing arm is provided with pressure spring.

3. dynamic corona demonstrator according to claim 2, it is characterized in that: the corona pedestal comprises three upright resin rock seats and the resin base that is connected in one, the resin rock seat that is provided with wherein placed in the middle comprises the pedestal panel and the pedestal side plate of inclination, the pedestal panel becomes 66 degree angle designs with surface level, form cavity between described pedestal panel and the pedestal side plate, be provided with the bracing frame that is used for the support drive motor in this cavity, bracing frame comprises the support base plate, the support panel, and rack side plate, become 66 degree angles between support panel and the support base plate, described drive motor is installed on the support panel.

4. dynamic corona demonstrator according to claim 3, it is characterized in that: also be provided with locating shaft on the described support panel, this locating shaft vertically passes support panel, sundial face successively, the part of stretching out from the sundial face of locating shaft is the sundial pin, the follower shaft of gear driving pair is locating shaft, the interlude corresponding between pedestal panel and the track plate of locating shaft is provided with the bearing transmission component, and this bearing transmission component comprises bearing, bearing holder (housing, cover) and bearing cap.

5. dynamic corona demonstrator according to claim 4 is characterized in that: described bearing transmission component periphery is covered with housing.

6. dynamic corona demonstrator according to claim 1 is characterized in that: also be provided with the LED lamp panel between described sundial face and the elliptical orbit plate, this LED lamp panel is built-in with some luminous LED lamps.

7. dynamic corona demonstrator according to claim 1 is characterized in that: described analog light source comprises illuminating lamp and stainless steel lampshade.

8. dynamic corona demonstrator according to claim 1 is characterized in that: described corona pedestal comprises imitative rock resin seat and base.

9. dynamic corona demonstrator according to claim 1 is characterized in that: described sundial face make to be shaped by transparent resin, the face processing of spraying paint.