CN2552113Y - Electric globe - Google Patents
Electric globe Download PDFInfo
- Publication number
- CN2552113Y CN2552113Y CN 02272134 CN02272134U CN2552113Y CN 2552113 Y CN2552113 Y CN 2552113Y CN 02272134 CN02272134 CN 02272134 CN 02272134 U CN02272134 U CN 02272134U CN 2552113 Y CN2552113 Y CN 2552113Y
- Authority
- CN
- China
- Prior art keywords
- revolution
- terrestrial globe
- rotation
- sunshine
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
A novel electric globe includes a globe shell, a cambered support rod, a base, a revolution mechanism, a rotation mechanism, a power source and a control circuit, wherein, the globe shell is rotationally supported on the rotation mechanism through the cambered support rod. The revolution mechanism in the globe shell is supported on the base. The control circuit includes switches for revolution, rotation, sunlight and projection, an anti-jamming circuit, a central processing unit (CPU), a latched memory drive circuit and relays of revolution, rotation and sunlight. The power source is connected with the anti-jamming circuit through the switches above. The output of the anti-jamming circuit is connected with the central processing unit (CPU). The signal judged and processed by the central processing unit (CPU) is outputted to and stored in the latched memory drive circuit. Subsequently, the signal is magnified and outputted to be connected with the relays so as to control the revolution, the rotation and the sunlight lamp and a laser diode used for demonstrating the projection. The bottom of the base is provided with two eclipse and lunar eclipse demonstrating frames which can be retractable and folded away leftwards and rightwards. The novel electric globe disclosed in the utility model has the advantages of long service life, good safety property, high reliability and easy operation.
Description
Technical field
The utility model is a kind of globe electrically, is applicable to middle and primary schools' teaching and science popularization popularization, is specially adapted to geographical teaching of primary and middle school.
Background technology
In geographical teaching of primary and middle school, do demonstration with terrestrial globe and can make the abstract celestial bodies motion easy to understand that becomes, help the raising of geographical teaching quality.But present globe electrically obviously exists following deficiency: (1) does not demonstrate out the state that solar eclipse, lunar eclipse take place, and makes the student be difficult for understanding the earth, the moon, the relative position of the sun and the reason of generation under solar eclipse, the lunar eclipse state; (2) switch adopts mechanical type vertical pulling switch, and its shortcoming is short, reliability extreme difference of life-span; (3) switch is directly controlled inductive load and be easy to generate spark in operating process, and very big potential safety hazard is arranged; (4) there is not functional indicator light, inconvenient operation.
Summary of the invention
Fundamental purpose of the present utility model is intended to overcome the above-mentioned deficiency of prior art, proposes the electric terrestrial globe that a kind of life-span is long, security good, reliability is high, easy to operate on the basis of existing technology.
Secondary objective of the present utility model provides the electric terrestrial globe that a kind of energy is demonstrated out solar eclipse, lunar eclipse generation state visual in imagely.
Realize the technical scheme of above-mentioned purpose: a kind of electric terrestrial globe, comprise the terrestrial globe housing, the arc support bar, base, revolution mechanism, free-wheeling system, power supply and control circuit, the terrestrial globe housing passes through the arc they sup-port on rotating free-wheeling system, revolution mechanism supports in the terrestrial globe housing is on base, control circuit comprises the revolution switch, the rotation switch, anti-jamming circuit, microprocessor (CPU), latch driving circuit, revolution relay and rotation relay, power supply is respectively through the revolution switch, the rotation switch connects the input end of anti-jamming circuit, anti-jamming circuit is used for the revolution and the rotation switching signal of stable input, the output of anti-jamming circuit connects microprocessor (CPU), signal after microprocessor (CPU) juggling outputs to and latchs driving circuit, latch to the revolution of input or from rotaring signal through latching driving circuit, output correspondence after the amplification connects revolution relay coil and rotation relay coil, the drive motor of the contact switch control revolution mechanism of revolution relay, the drive motor of the contact switch control free-wheeling system of rotation relay.
Switch and direct projection switch at sunshine is set, power supply respectively through sunshine switch and direct projection switch connect the input end of anti-jamming circuit, sunshine after anti-jamming circuit will be stablized and direct projection switching signal input microprocessor (CPU), sunshine after microprocessor (CPU) juggling and direct signal output connect latchs driving circuit, latch through latching driving circuit, signal output at sunshine after the amplification connects the relay coil at sunshine, sunshine, the contact switch control of relay was demonstrated fluorescent tube at sunshine of being fixed on the runing rest, latched through latching driving circuit, direct signal output after the amplification connects and is fixed on the laser diode that is used to demonstrate sun direct projection on the runing rest in the terrestrial globe housing.
Described base bottom be equipped with can about flexible two solar eclipses, lunar eclipse demonstration support, sun signal sheet is installed in a demonstration support upper end, moon signal sheet is installed in another demonstration support upper end.
Described two demonstration supports are provided with the turning point, can turn up up along the turning point, turn up the back at its terminal corresponding sun, moon signal sheet installed.
Described revolution mechanism comprises revoluting motor, pinion wheel, gear wheel, rocking bar and runing rest, revoluting motor by relay control is installed on the runing rest, the output shaft drive pinion of revoluting motor, pinion wheel and gear wheel engagement, gear wheel is fixed on the rocking bar, passes the terrestrial globe housing after rocking bar is folded to and is fixed on the base.
Fixedly connected semi-sphere shape light shield on the described runing rest, described light shield installed inside has fluorescent tube and the laser diode that is fixed on the runing rest.
Described free-wheeling system comprises the spinning motor that is subjected to relay control, be fixed on the pinion wheel on the spinning motor output shaft, gear wheel with pinion, gear wheel endoporus fixed light axle sleeve, the optical axis cover is supported on the rolling bearing, the optical axis set upper side is provided with rubber washer, and rubber washer closely contacts with the lower end of terrestrial globe housing shell, and backup washer 22 is set between arc support bar and the base.
Be fixed with the pilot lamp of revolution, rotation, sunshine and direct projection on the described base.
The described sun, moon signal sheet are plastic sheets.
Adopt technique scheme, the utility model beneficial technical effects is: 1, adopt totally digitilized microcomputer control circuit, have contactless, can expand, the life-span is long, safety, reliably, intuitively, characteristics easily.2, control circuit adopts and to touch button revolution switch, rotation switch, sunshine switch and direct projection switch, Energy and comfort.3, revolution mechanism and free-wheeling system science, reasonable, vivid, directly perceived.4, solar eclipse, lunar eclipse demonstration support are installed under the base, simple, convenient, directly perceived.5, be fixed with the pilot lamp of power supply, revolution, rotation, sunshine and direct projection on the base, duty is come into plain view.In sum, the utility model is easy to operate, quick, vivid, directly perceived.It is the stronger globe electrically of a kind of practicality.
Description of drawings
Fig. 1 is a kind of sectional structure synoptic diagram of electric terrestrial globe.
Fig. 2 is the solar eclipse presentation state synoptic diagram of Fig. 1 electric terrestrial globe.
Fig. 3 is the lunar eclipse presentation state synoptic diagram of Fig. 1 electric terrestrial globe.
Fig. 4 is the control circuit figure of Fig. 1 electric terrestrial globe.
Fig. 5 is the power circuit diagram that working power is provided for Fig. 4 control circuit.
Fig. 6 is the forceful electric power circuit diagram of Fig. 4 control circuit repeat circuit contact switch control.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings 1 ~ 6, the utility model is described in further detail.
A kind of electric terrestrial globe comprises terrestrial globe housing 14, arc support bar 15, base 16, revolution mechanism, free-wheeling system, power supply and control circuit, wherein:
As shown in Figure 1, revolution mechanism comprises revoluting motor 1, pinion wheel 2, gear wheel 3, rocking bar 4 and runing rest 5, revoluting motor 1 by relay J 1 control is installed on the runing rest 5, fixedly connected semi-sphere shape light shield 7 on the runing rest 5, described light shield 7 installed inside have fluorescent tube 7 and the laser diode 8 that is fixed on the runing rest 5, the output shaft drive pinion 2 of revoluting motor 1, pinion wheel 2 and gear wheel 3 engagements, gear wheel 3 is fixed on the rocking bar 4, passes terrestrial globe housing 14 after whole revolution mechanism is folded to by rocking bar 4, the optical axis cover 12 that passes free-wheeling system is supported and fixed on the base 16.
As shown in Figure 1, free-wheeling system comprises the spinning motor 9 that is subjected to relay J 2 control, be fixed on pinion wheel 10 on spinning motor 9 output shafts, with gear wheel 11, the gear wheel 11 endoporus fixed light axle sleeves 12 of pinion, optical axis cover 12 is supported by a rolling bearing 21, on the optical axis cover 12 rubber washer 13 is set, rubber washer 13 closely contacts with the lower end of terrestrial globe housing 14, terrestrial globe housing 14 is supported on by arc support bar 15 on the rubber washer 13 of rotating free-wheeling system, between arc support bar 15 and the base 16 backup washer 22 is set.
As Fig. 4 ~ shown in Figure 6, control circuit comprises revolution K switch 1, rotation K switch 2, sunshine, K switch 3, direct projection K switch 4, anti-jamming circuit, microprocessor (CPU), latch driving circuit, revolution relay J 1, rotation relay J 2, sunshine relay J 3 and laser diode D, power supply is respectively through revolution K switch 1, rotation K switch 2, sunshine, K switch 3, direct projection K switch 4 connects the input end of anti-jamming circuit, anti-jamming circuit is used for the switching signal of stable input, the output of anti-jamming circuit connects microprocessor (CPU), signal after microprocessor (CPU) juggling outputs to and latchs driving circuit, through latching the revolution of driving circuit to input, rotation, sunshine or direct signal latch, output correspondence after the amplification connects revolution relay J 1 coil, rotation relay J 2 coils, the laser diode 8 (D) of sunshine relay J 3 coils and the direct projection of the demonstration sun, the drive motor M1 of the contact switch control revolution mechanism of revolution relay J 1, the drive motor M2 of the contact switch of rotation relay J 2 control free-wheeling system, relay J 3 contact switch control at sunshine is fixed in the terrestrial globe housing 14 and demonstrates fluorescent tube 7 (L) sunshine on the runing rests 5.
For ease of the visual representation duty, switching signal after anti-jamming circuit will be stablized correspondence after indication latch circuit latches, amplification connects the pilot lamp of revolution, rotation, sunshine and direct projection, the pilot lamp of revolution, rotation, sunshine and direct projection is fixed on the base panel, K switch 1 ~ 4 is fixed on the base panel, and the other parts of control circuit are fixed in the base 16.The The whole control circuit by transformer T with the civil power step-down after, the working power (VDD) of 12V is provided behind rectification, filtering voltage regulation.
As Fig. 2, shown in Figure 3, described base 16 bottoms be equipped with can about flexible two solar eclipses that can transfer, lunar eclipse demonstration support (17,19), end after a demonstration support 19 is turned up is installed sun signal sheet 20, and the end after another demonstration support 17 is turned up is installed moon signal sheet 18.
The course of work:
1) revolution: press revolution K switch 1 shown in Figure 4, the revolution signal is input to anti-jamming circuit as shown in Figure 4, be sent to microprocessor (CPU) through the anti-interference process signal and carry out juggling, signal after the juggling is sent to the driving latch cicuit, through latch circuit latches, amplify, signal is sent to driving circuit, driving circuit drives revolution relay J 1, the revolution motor 1 (being installed on the runing rest) of connecting with revolution relay J 1 begins to rotate, it drives a pinion wheel 2 and rotates, (this gear wheel can not rotate pinion wheel 2 with gear wheel 3 engagements again, because it is fixed on the rocking bar 5 with other some parts), so revolution motor 1 and pinion wheel driven rotary support 4 only rotate around rocking bar 5, and runing rest 4 is fixed together with light shield 6, rotate so light shield 6 also will be made 360 degree around rocking bar 5 in ground spherical shell the inside and since light shield 6 installed inside fluorescent tube 7 (L), laser diode 8 (D) etc., thus comparison image demonstrate out the revolution motion of the earth.Press direct projection K switch 4 shown in Figure 4, laser diode 8 issued lights are represented sun point of vertical on earth at the luminous point that spherical shell surface in ground forms.Hollow shaft becomes the angles of 23.5 degree with the equator, so luminous point moves between the tropic of north and south, this just looks like that to be that the point of vertical of the sun only moves between the tropic of the north and south of the earth the same, thereby demonstrates out four seasons variation and polar day, polar night phenomenon.
2) rotation: press rotation K switch 2 shown in Figure 4, signal is through anti-jamming circuit, microprocessor (CPU) and latch a series of processing of driving circuit, be sent to the input end of rotation relay J 2, relay J 2 work, the rotation motor 9 of connecting with relay J 2 begins to rotate, rotation motor 9 drives another pinion wheel 10 and rotates, gear wheel 11 axle sleeve 12 of sharing the same light that pinion wheel 10 drives again with its engagement rotates around rocking bar 5, optical axis cover 12 drives the terrestrial globe housing 14 that closely contacts by rubber washer 13 and it and rotates, press K switch 3 at sunshine shown in Figure 4, input illumination signal, daylight lamp 7 is bright, form the state at sunshine of the earth, just demonstrate out the rotation of the earth, and demonstrate out simultaneously daytime so vividly, the replacement of night and terminator.
3) solar eclipse: as shown in Figure 2, with 16 times telescopic demonstration supports of base (17,19) with pulling out, demonstration support 19 is wherein all extracted towards the right of terrestrial globe housing 14, and the part support turned up up along the turning point, load onto sun signal sheet 20 (plastic sheet) then in the top; Another root demonstration support 17 is extracted towards the left side of terrestrial globe housing 14, and the part support is turned up up along the turning point, load onto moon signal sheet 18 (plastic sheet) then in the top, represent that the earth is between the moon and the sun this moment.Cooperate teacher's explaining illustration like this, just the formation reason of lunar eclipse can have been made clear to the student.
4) lunar eclipse: as shown in Figure 3,16 times telescopic two demonstration supports of base (17,19) are all extracted towards the right of terrestrial globe housing 14 with hand, and the part support turned up up along the turning point, load onto sun signal sheet 20 (plastic sheet) then in the upper end that demonstration support 19 is turned up; Moon signal sheet 18 (plastic sheet) is loaded onto in the upper end that another root is demonstrated after support 17 is turned up up, and the expression moon is between the earth and the sun, cooperates teacher's explaining illustration like this, just can just the formation reason of lunar eclipse can have been made clear to the student.
In addition, after the energized, to original state, power light is bright with recovering state for reset circuit; Deenergization, power light goes out.
Claims (9)
1, a kind of electric terrestrial globe, comprise the terrestrial globe housing, the arc support bar, base, revolution mechanism, free-wheeling system, power supply and control circuit, the terrestrial globe housing passes through the arc they sup-port on rotating free-wheeling system, revolution mechanism supports in the terrestrial globe housing is on base, it is characterized in that: described control circuit comprises the revolution switch, the rotation switch, anti-jamming circuit, microprocessor, latch driving circuit, revolution relay and rotation relay, power supply is respectively through the revolution switch, the rotation switch connects the input end of anti-jamming circuit, anti-jamming circuit is used for the revolution and the rotation switching signal of stable input, the output of anti-jamming circuit connects microprocessor, signal after the microprocessor juggling outputs to and latchs driving circuit, latch to the revolution of input or from rotaring signal through latching driving circuit, output correspondence after the amplification connects revolution relay coil and rotation relay coil, the drive motor of the contact switch control revolution mechanism of revolution relay, the drive motor of the contact switch control free-wheeling system of rotation relay.
2, electric terrestrial globe according to claim 1, it is characterized in that: switch and direct projection switch at sunshine is set, power supply respectively through sunshine switch and direct projection switch connect the input end of anti-jamming circuit, sunshine after anti-jamming circuit will be stablized and direct projection switching signal input microprocessor, sunshine after the microprocessor juggling and direct signal output connect latchs driving circuit, latch through latching driving circuit, signal output at sunshine after the amplification connects the relay coil at sunshine, sunshine, the contact switch control of relay was demonstrated fluorescent tube at sunshine of being fixed on the runing rest, latched through latching driving circuit, direct signal output after the amplification connects and is fixed on the laser diode that is used to demonstrate sun direct projection on the runing rest in the terrestrial globe housing.
3, electric terrestrial globe according to claim 1 and 2, it is characterized in that: described rest base be equipped with can about flexible two solar eclipses, lunar eclipse demonstration support, sun signal sheet is installed in a demonstration support upper end, and moon signal sheet is installed in another demonstration support upper end.
4, electric terrestrial globe according to claim 3 is characterized in that: described two demonstration supports are provided with the turning point, turn up up along the turning point, turn up the back at its terminal corresponding sun, moon signal sheet installed.
5, electric terrestrial globe according to claim 1 and 2, it is characterized in that: described revolution mechanism comprises revoluting motor, pinion wheel, gear wheel, rocking bar and runing rest, revoluting motor by relay control is installed on the runing rest, the output shaft drive pinion of revoluting motor, pinion wheel and gear wheel engagement, gear wheel is fixed on the rocking bar, passes the terrestrial globe housing after rocking bar is folded to and is fixed on the base.
6, electric terrestrial globe according to claim 5 is characterized in that: fixedly connected semi-sphere shape light shield on the described runing rest, described light shield installed inside has fluorescent tube and the laser diode that is fixed on the runing rest.
7, electric terrestrial globe according to claim 1 and 2, it is characterized in that: described free-wheeling system comprises the spinning motor that is subjected to relay control, be fixed on the pinion wheel on the spinning motor output shaft, gear wheel with pinion, gear wheel endoporus fixed light axle sleeve, the optical axis cover is supported on the rolling bearing, and the optical axis set upper side is provided with rubber washer, rubber washer closely contacts with the lower end of terrestrial globe housing shell, between arc support bar and the base backup washer is set.
8, electric terrestrial globe according to claim 2 is characterized in that: the pilot lamp that is fixed with revolution, rotation, sunshine and direct projection on the described bearing.
9, electric terrestrial globe according to claim 3 is characterized in that: the described sun, moon signal sheet are plastic sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02272134 CN2552113Y (en) | 2002-07-31 | 2002-07-31 | Electric globe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02272134 CN2552113Y (en) | 2002-07-31 | 2002-07-31 | Electric globe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2552113Y true CN2552113Y (en) | 2003-05-21 |
Family
ID=33736873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02272134 Expired - Fee Related CN2552113Y (en) | 2002-07-31 | 2002-07-31 | Electric globe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2552113Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853602A (en) * | 2010-05-25 | 2010-10-06 | 苏州育龙科教设备有限公司 | Laser celestial globe |
| CN104701626A (en) * | 2013-12-06 | 2015-06-10 | 贵州振华天通设备有限公司 | Antenna pedestal in all-dimensional rotation |
| CN105575251A (en) * | 2015-11-06 | 2016-05-11 | 朱小菊 | Photoelectric globe projector |
| CN106023783A (en) * | 2016-08-02 | 2016-10-12 | 合肥东上多媒体科技有限公司 | Laser celestial globe |
-
2002
- 2002-07-31 CN CN 02272134 patent/CN2552113Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853602A (en) * | 2010-05-25 | 2010-10-06 | 苏州育龙科教设备有限公司 | Laser celestial globe |
| CN104701626A (en) * | 2013-12-06 | 2015-06-10 | 贵州振华天通设备有限公司 | Antenna pedestal in all-dimensional rotation |
| CN105575251A (en) * | 2015-11-06 | 2016-05-11 | 朱小菊 | Photoelectric globe projector |
| CN105575251B (en) * | 2015-11-06 | 2017-12-26 | 新昌县兴旺轴承有限公司 | Photoelectrically ball projecting apparatus |
| CN106023783A (en) * | 2016-08-02 | 2016-10-12 | 合肥东上多媒体科技有限公司 | Laser celestial globe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2552113Y (en) | Electric globe | |
| CN102495465A (en) | Novel foldable electric lens cover applicable to polar axis type telescope | |
| CN102004496A (en) | Solar energy fully-automatically searching tracker device | |
| CN108022510A (en) | A kind of multifunctional intellectual label of road | |
| Takahashi et al. | Hybrid robotic wheelchair with photovoltanic solar cell and fuel cell | |
| CN210828578U (en) | Photovoltaic multifunctional tent | |
| CN201812445U (en) | Advertising board and advertising video screen using combination of solar energy and wind energy as rotation power | |
| CN206786610U (en) | A kind of dangerous warning control device of LED solar street lights | |
| CN213019397U (en) | Integrated solar energy illumination street lamp | |
| CN112865678B (en) | Intelligent solar cell panel device | |
| CN101853602B (en) | Laser celestial globe | |
| CN201838251U (en) | Laser celestial globe | |
| CN101414418B (en) | Electrification demonstration instrument for solar cell | |
| CN207637411U (en) | A kind of gardens guide board | |
| CN110992849A (en) | LED outdoor display screen capable of displaying in large area based on solar battery power supply | |
| CN112367027A (en) | Building site information display board of new forms of energy based on sunlight self-modulation | |
| CN113342184A (en) | Photovoltaic power supply driven bluetooth keyboard | |
| CN216897068U (en) | Lighting device | |
| CN209297621U (en) | A kind of geographical teaching automatic display apparatus | |
| CN219841510U (en) | Induction solar LED street lamp based on Internet of things | |
| CN2861265Y (en) | Energy-saving all-weather symbol vehicle | |
| CN215663226U (en) | Hidden multifunctional navigator bracket | |
| CN216119111U (en) | Teaching aid suitable for primary school's english teaching | |
| KR200364511Y1 (en) | Street light usibg for natural energy with light-tracing appatraus | |
| CN209822226U (en) | Ideology and politics propaganda display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |