CN209625612U - A kind of Northern Hemisphere apparent motion of the sun demonstrator - Google Patents

Abstract

The utility model relates to a kind of education or demonstration equipment, specially a kind of Northern Hemisphere apparent motion of the sun demonstrator.It include latitude coordinate disk, month instruction disk, square position, solar model, driving bevel gear, support, rocking handle, driven bevel pinion, pedestal, bottom plate, latitude coordinate disk is connected with month instruction disk, ground square position is fixed on inside latitude coordinate disk, solar model is in month coordinatograph slideway, driving bevel gear connects rocking handle and is intermeshed by support hole and driven bevel pinion, driven bevel pinion, which is fixed on to indicate in month to try to get to the heart of a matter, to be held and indicates that disk is plugged in above pedestal by month, and pedestal and support are located above bottom plate.A kind of Northern Hemisphere apparent motion of the sun demonstrator, teaching aid is made with 3D printing technique, simulate equatorial coordinates system and horizon system of coordinates, using ground square position as basic side, Northern Hemisphere sun liter can be demonstrated, fall Orientation differences, height of the sun at noon variation and polar day, polar night variation, can effectively solve the teaching difficulties problem such as sun diurnal motion.

Description

A kind of Northern Hemisphere apparent motion of the sun demonstrator

Technical field

The utility model relates to a kind of education or demonstration equipment, specially a kind of Northern Hemisphere apparent motion of the sun demonstrator.

Background technique

Apparent motion of the sun is the running track that people observe apparent motion of the sun on horizontal circle.China's most area is located at The Northern Hemisphere, when people observe the sun in life, often towards south, the sun is risen in east and drop in west, and seems the sun around the earth Movement, still, apparent motion of the sun are that a kind of observation of people indicates, are using observer as referential, then being exactly that the sun is opposite It is to move in observer, just because of the complexity of people firsting impressions are strongest with sun, earth revolution rotation, so that this part is known Know the examination point for becoming that difficulty is maximum, scoring rate is minimum in the comprehensive paper of the text of college entrance examination over the years, is not only due to the content itself and is abstracted Not readily understood, student's space imagination lacks, also as existing teaching aid model and animation be there are problems that, general teaching aid model With animation centered on the sun, the movement relation of the sun, the earth and the moon can be shown, but be difficult to show Various Seasonal, difference The apparent motion of the sun of latitude, thus increase the difficulty of student's understanding.

Utility model content

The utility model provides a kind of Northern Hemisphere apparent motion of the sun demonstrator, a kind of Northern Hemisphere apparent motion of the sun demonstrator, Teaching aid is made with 3D printing technique, simulating equatorial coordinates system and horizon system of coordinates can demonstrate using ground square position as basic side Northern Hemisphere Various Seasonal sun liter, the Orientation differences fallen, the variation of different month height of the sun at noon and high latitude area pole The variation in daytime, polar night, flexible operation, environmental image is with strong points, can effectively solve the teaching difficulties such as sun diurnal motion Problem.

In order to achieve the above objectives, the utility model adopts the following technical solution:

A kind of Northern Hemisphere apparent motion of the sun demonstrator, including latitude coordinate disk, month instruction disk, square position, solar model, Driving bevel gear, support, rocking handle, driven bevel pinion, pedestal, bottom plate.

It is connected on the inside of the latitude coordinate disk and month instruction disk, and connection two is run through by longitudinal screw from top to bottom Latitude coordinate disk inner hub location is fixed on by back card slot in end, ground square position, and solar model is embedded in month coordinatograph ontology Inside slideway, driving bevel gear is fixedly connected with rocking handle top and by rocking handle through support hole and driven umbrella tooth by rear channel Wheel intermeshing, driven bevel pinion, which is tried to get to the heart of a matter by inside cannulated threaded with month instruction, holds external screw-thread to connect and refer to by month Show above disk grafting and pedestal, pedestal and support are fixed on above bottom plate by screw.

Preferably, the demonstrator model is made using 3D printing technique, uses degradable pla material, Innovation & environment.

Preferably, the month instruction disk uses hollow design, and bottom periphery has screw thread.

Preferably, the Horizon dribbling has cardinal direction marker, routinely up north and down south, and left west and right east design meets user Conventional practice.

Preferably, the driving bevel gear bottom carries card slot, convenient to be fixedly connected with rocking handle.

Preferably, the driven bevel pinion uses hollow internal whorl form design, mutually kisses with month instruction valve snail line It closes.

Preferably, the pedestal carries column core, is actively plugged in vacancy in the end that indicates in month to try to get to the heart of a matter.

The utility model has the following beneficial effects:

A kind of Northern Hemisphere apparent motion of the sun demonstrator makes teaching aid with 3D printing technique, simulates equatorial coordinates system and ground Flat coordinate system can demonstrate Northern Hemisphere Various Seasonal sun liter, the Orientation differences that fall, not same month using horizontal circle as basic side Part variation of height of the sun at noon and the variation of high latitude area polar day, polar night, flexible operation, environmental image is with strong points, The problem of can effectively solve the teaching difficulties such as sun diurnal motion.

Specific in entirety of some components of the utility model the utility model has the advantages that

1. in the utility model, the Northern Hemisphere apparent motion of the sun demonstrator model is made using 3D printing technique, make With degradable pla material, Innovation & environment.

2. in the utility model, the latitude coordinate disk, the included mark of month instruction disk and ground square position are clear, It reads and uses convenient for users to demonstration.

3. in the utility model, the month instruction disk is designed using hollow external screw thread, with driven bevel pinion and pedestal Installing and dismounting is flexible, consolidates durable.

4. in the utility model, the driving bevel gear and driven bevel pinion are intermeshed, and transmission efficiency is high, transmission ratio To stablize, stable drive is smooth, reliable operation, and it is compact-sized, space is saved, wear-resistant, the service life is long, and noise is small.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model.

Fig. 2 is to indicate disk grafting base schematic diagram in the utility model month.

Fig. 3 is the utility model driving bevel gear front schematic view.

Fig. 4 is the utility model driving bevel gear schematic rear view.

Fig. 5 is the utility model driven bevel pinion front schematic view.

Fig. 6 is the utility model driven bevel pinion schematic rear view.

In figure:

1, latitude coordinate disk, 2, month indicate disk, 3, square position, 4, solar model, 5, driving bevel gear, 6, support, 7, Rocking handle, 8, driven bevel pinion, 9, pedestal, 10, bottom plate.

Specific embodiment

The utility model is described further with attached drawing with reference to embodiments:

Embodiment:

As shown in attached drawing 1, attached drawing 2.

A kind of Northern Hemisphere apparent motion of the sun demonstrator of the utility model, including latitude coordinate disk 1, month indicate disk 2, Horizon Disk 3, solar model 4, driving bevel gear 5, support 6, rocking handle 7, driven bevel pinion 8, pedestal 9, bottom plate 10.

It is connected on the inside of the latitude coordinate disk 1 and month instruction disk 2, and connection two is run through by longitudinal screw from top to bottom 1 inner hub location of latitude coordinate disk is fixed on by back card slot in end, ground square position 3, and solar model 4 is embedded in month coordinatograph sheet Inside body slideway, driving bevel gear 5 by rear channel be fixedly connected 7 top of rocking handle and by rocking handle through 6 hole of support with from Dynamic bevel gear 8 is intermeshed, and driven bevel pinion 8 indicates that 2 bottom end external screw-thread of disk is connect simultaneously with month by inside cannulated threaded By indicating 9 top of 2 grafting of disk and pedestal month, pedestal 9 and support 6 are fixed on above bottom plate 10 by screw.

In above-described embodiment, specifically, the demonstrator model is made using 3D printing technique, degradable pla material is used Matter, Innovation & environment.

In above-described embodiment, specifically, month instruction disk 2 uses hollow design, bottom periphery has screw thread.

In above-described embodiment, specifically, described ground square position 3 has cardinal direction marker, routinely up north and down south, left west and right east are set Meter, meets user's conventional practice.

In above-described embodiment, specifically, 5 bottom of the driving bevel gear carries card slot, it is convenient to be fixedly connected with rocking handle 7, As shown in Figure 4.

In above-described embodiment, specifically, the driven bevel pinion 8 uses hollow internal whorl form design, refer to month Show that 2 screw thread of disk mutually coincide, as shown in Figure 6.

In above-described embodiment, specifically, the pedestal 9 carries column core, it is hollow to be actively plugged in month instruction 2 bottom end of disk Place, as shown in Figure 2.

The application method of the utility model

The first step, rotationally square position 3, are allowed to be directed toward the local place latitude of latitude instruction disk 1, are directed toward month instruction disk 2 Then Due South stirs the solar model 4 in month instruction disk, selects required month, can demonstrate of that month altitude of the sun Angle, second step, rotationally square position 3, are allowed to be directed toward the local place latitude of latitude instruction disk 1, solar model 4 are placed in the required moon Then part rotates and indicates disk 2 month, the Orientation differences that can be demonstrated Various Seasonal sun liter, fall, third step, rotationally square position 3, it is allowed to be directed toward latitude instruction 1 high latitude area of disk (latitude is greater than 66.5 ° of north latitude), selects suitable month, polar day can be demonstrated Polar night phenomenon.

The above embodiments and description only describe the feasibilities of the utility model, practical new not departing from this Under the premise of type spirit and scope, the utility model also has various changes and improvements, these changes and improvements both fall within requirement In the range of protection.

Claims (7)

1. a kind of Northern Hemisphere apparent motion of the sun demonstrator, characterized in that including latitude coordinate disk (1), month instruction disk (2), Square position (3), solar model (4), driving bevel gear (5), support (6), rocking handle (7), driven bevel pinion (8), pedestal (9), bottom plate (10), the latitude coordinate disk (1) is fixedly connected with both ends by screw with month instruction disk (2), and ground square position (3) are solid by card slot Internal due to latitude coordinate disk (1), inside month coordinatograph ontology slideway, driving bevel gear (5) passes through solar model (4) Card slot is fixedly connected with rocking handle (7) and is intermeshed by support (6) hole and driven bevel pinion (8), and driven bevel pinion (8) passes through Cannulated threaded be fixed on month instruction disk (2) bottom end and by month indicate disk (2) grafting and pedestal (9) top, pedestal (9) and Support (6) is fixed on above bottom plate (10) by screw.

2. a kind of Northern Hemisphere apparent motion of the sun demonstrator according to claim 1, characterized in that the demonstrator model benefit It is made of 3D printing technique, uses degradable pla material.

3. a kind of Northern Hemisphere apparent motion of the sun demonstrator according to claim 1, characterized in that the month indicates disk (2) hollow design is used, bottom periphery has screw thread.

4. a kind of Northern Hemisphere apparent motion of the sun demonstrator according to claim 1, characterized in that described ground square position (3) band There is cardinal direction marker, routinely up north and down south, left west and right east design.

5. a kind of Northern Hemisphere apparent motion of the sun demonstrator according to claim 1, characterized in that the driving bevel gear (5) bottom carries card slot.

6. a kind of Northern Hemisphere apparent motion of the sun demonstrator according to claim 1, characterized in that the driven bevel pinion (8) hollow internal whorl form design is used, is mutually coincide with month instruction disk (2) screw thread.

7. a kind of Northern Hemisphere apparent motion of the sun demonstrator according to claim 1, characterized in that the pedestal (9) is included Column core is actively plugged in vacancy in month instruction disk (2) bottom end.