CN201681516U - Single-pendulum track record display system - Google Patents
Single-pendulum track record display system Download PDFInfo
- Publication number
- CN201681516U CN201681516U CN2010201853009U CN201020185300U CN201681516U CN 201681516 U CN201681516 U CN 201681516U CN 2010201853009 U CN2010201853009 U CN 2010201853009U CN 201020185300 U CN201020185300 U CN 201020185300U CN 201681516 U CN201681516 U CN 201681516U
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- pendulum
- track record
- record display
- display systems
- measuring platform
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Abstract
The utility model discloses a single-pendulum track record display system. An observing device comprises a cross rod, a rope, a pendulum bob and an observation platform; one end of the rope is tied on the cross rod, and the other end thereof is connected with the pendulum bob; the pendulum bob is hung above the observation platform, and is internally provided with an emitter; and the observation platform is internally provided with a receiving controller, and the top surface of the observation platform is provided with a display screen electrically connected with the output end of the receiving controller. The single-pendulum track record display system records the motion curve of periodical pendulum by adopting electronic sensing technology, and guides the observer to understand the basic law of the pendulum by analyzing the track image and further know the characteristics of various pendulums such as Foucault pendulum, compound pendulum, torsional pendulum and the like and application thereof in production and life simultaneously.
Description
Technical field
The utility model relates to a kind of single pendulum track record display systems.
Background technology
The development and the research of pendulum have confidential relation with the development of clockwork timer.The famous mechanics scientist's Galileo of Italy has at first been studied single pendulum, and Dutch afterwards scientist C. Huygens has studied physical pendulum, and they lay a good foundation for the theory of mechanics of pendulum.
Pendulum is meant a kind of mechanical hook-up that can produce swing, can be used to represent all mechanics phenomenons.The most basic pendulum is made up of a rope or pole and a hammer.Hammer ties up to the below of rope, and the other end of rope is fixed.When promoting pendulum, hammer moves around.People can see the motion of pendulum, but can not see the movement locus of pendulum.
Summary of the invention
The utility model is in order to allow people can either see the motion of pendulum, can observe the single pendulum track record display systems single pendulum track record display systems of the movement locus of pendulum again, movement locus by electronic induction technical notes cycle pendulum, the guiding observer understands the basic law of pendulum, and then by to the analysis of trace image, the characteristic of various pendulum such as further understand Foucault pendulum, physical pendulum, rock and produce, application in the life.
The utility model single pendulum track record display systems is characterized in, comprises a cross bar, a rope, a pendulum, a measuring platform; Described rope one end ties up on the cross bar, and the other end connects pendulum; Described pendulum is suspended on the top of described measuring platform; Be provided with a transmitter in the described pendulum, be provided with one in the described measuring platform and receive controller, the end face of this measuring platform is provided with the display screen that is electrically connected with the output terminal that receives controller.
Above-mentioned single pendulum track record display systems, wherein, described display screen is made of light emitting diode matrix.
Above-mentioned single pendulum track record display systems, wherein, described reception controller comprises a receiving circuit, a comparator circuit, a control circuit and a LED driving circuit that is linked in sequence, and the output terminal of described LED driving circuit is electrically connected with light emitting diode matrix.
Above-mentioned single pendulum track record display systems, wherein, described comparator circuit mainly is made of computing circuit.
Above-mentioned single pendulum track record display systems, wherein, described control circuit mainly is made of a single-chip microcomputer.
Above-mentioned single pendulum track record display systems, wherein, described transmitter is a luminotron.
Above-mentioned single pendulum track record display systems, wherein, described measuring platform is provided with access door.
Because the utility model has adopted above technical scheme, arranges a measuring platform, the table top of measuring platform is made of LED display; One of center position vertical hanging has comprised the rope pendulum of pendulum above measuring platform, and pendulum is provided with transmitter, is provided with the reception controller in the measuring platform.The observer moves to position on any one inspection surface with pendulum, decontrols then to allow it freely swing, and can write down the running orbit of pendulum on the LED display pendulum under.The running orbit of each complete cycle can continue to show that the observer can remove track by Protection Counter Functions on LED display.Thereby the observer can be by repeating to demonstrate the laws of motion and the nonrepeatability of observing pendulum.
In addition, adopt the round LED display screen as display, the observer is consistent from the effect of the track of which angle observed and recorded of measuring platform, does not have bias distortion.And this round LED display screen also can solve existing liquid crystal or plasma display and be difficult to make big circular problem.
Description of drawings
Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the one-piece construction synoptic diagram of the utility model single pendulum track record display systems.
Fig. 2 is the structural representation (analysing and observe) of pendulum in the utility model single pendulum track record display systems.
Fig. 3 is the vertical view of measuring platform in the utility model single pendulum track record display systems.
Fig. 4 is the electrical block diagram that receives controller in the utility model single pendulum track record display systems.
Fig. 5 is the circuit theory diagrams that the utility model receives controller.
Fig. 6 is a workflow diagram of the present utility model.
Embodiment
The utility model is by the movement locus of electronic induction technical notes cycle pendulum, and by analysis to trace image, the guiding observer understands the basic law of pendulum, thus further understand Foucault pendulum, physical pendulum, rock etc. various pendulum characteristic and produce, application in the life.
See also Fig. 1, Fig. 2, wherein Fig. 1 is an one-piece construction synoptic diagram of the present utility model, and Fig. 2 is the vertical view of measuring platform in the utility model single pendulum track record display systems.The utility model single pendulum track record display systems comprises a cross bar 1, a rope 2, a pendulum 3, a measuring platform 4; Described rope 2 one ends tie up on the cross bar 1, and the other end connects pendulum 3.Described pendulum 3 is suspended on the top of measuring platform 4.
The table top of described measuring platform 4 is provided with display screen 41, and described display screen 41 is made of light emitting diode matrix.Be provided with one and receive controller 43 in measuring platform 4, the display screen of the table top of described measuring platform is electrically connected with the output terminal that receives controller 43.Described measuring platform is provided with access door 44.LED display described in the present embodiment is circular display screen.
See also Fig. 3, Fig. 3 is the structural representation (analysing and observe) of pendulum in the utility model single pendulum track record display systems.Described pendulum 3 comprises a housing 31, is provided with a weight block 32 in the housing, and the bottom of housing is provided with a through hole 33, is provided with a transmitter 34 in the through hole 33, and transmitter 34 is luminotrons.Outside at housing coats one deck soft plastic 35.Be provided with the connecting portion 36 that is connected with rope at the top of housing
See also Fig. 4, Fig. 4 is the electrical block diagram that receives controller in the utility model single pendulum track record display systems.Reception controller 43 described in the utility model comprises a receiving circuit 431, a comparator circuit 432, a control circuit 433 and a LED driving circuit 434 that is linked in sequence, and the output terminal of described LED driving circuit is electrically connected with light emitting diode matrix.
See also Fig. 5, Fig. 5 is the circuit theory diagrams that the utility model receives controller.Comparator circuit described in the utility model mainly is made of computing circuit.Described control circuit mainly is made of a single-chip microcomputer.
See also Fig. 6, Fig. 6 is a workflow diagram of the present utility model.During observation, earlier pendulum is moved to any one position on the measuring platform, relieving allows it freely swing then; Complete cycle of the every motion of described pendulum can set up on their own, and present embodiment was set in 2~5 minutes; Pendulum in swing process the transmitter on it constantly the reception controller in measuring platform transmit; The signal of described transmitter emission is the linear high light greater than 400MCD; Photoresistance in the comparator circuit of this strong illumination reception controller allows the resistance of photoresistance change.The receiving circuit that receives controller is followed the tracks of the signal that receives transmitter emission on the pendulum, and this signal is outputed to comparator circuit; Comparator circuit is gathered the signal of receiving circuit output in good time, and changing value is outputed to control circuit; When control circuit received the high level " 1 " of comparator circuit output, this control circuit converted " 1 " value to the high level of driven for emitting lights diode operation, continuous luminous a period of time of light emitting diode; The luminous point that described light emitting diode sends has constituted the movement locus that writes down this pendulum.This movement locus can continue to show on LED display, track be removed by Protection Counter Functions up to the observer
The utility model makes observation and record pendular motion method easy, directly perceived by electronic induction pendulum tracking technique.
Claims (7)
1. single pendulum track record display systems is characterized in that, comprises a cross bar, a rope, a pendulum, a measuring platform; Described rope one end ties up on the cross bar, and the other end connects pendulum; Described pendulum is suspended on the top of described measuring platform; Be provided with a transmitter in the described pendulum, be provided with one in the described measuring platform and receive controller, the end face of this measuring platform is provided with the display screen that is electrically connected with the output terminal that receives controller.
2. single pendulum track record display systems according to claim 1 is characterized in that described measuring platform is rounded, and described display screen is also rounded, is made of light emitting diode matrix.
3. single pendulum track record display systems according to claim 2, it is characterized in that, described reception controller comprises a receiving circuit, a comparator circuit, a control circuit and a LED driving circuit that is linked in sequence, and the output terminal of described LED driving circuit is electrically connected with light emitting diode matrix.
4. single pendulum track record display systems according to claim 3 is characterized in that described comparator circuit mainly is made of computing circuit.
5. single pendulum track record display systems according to claim 3 is characterized in that described control circuit mainly is made of a single-chip microcomputer.
6. single pendulum track record display systems according to claim 1 is characterized in that, described transmitter is a luminotron.
7. single pendulum track record display systems according to claim 1 is characterized in that described measuring platform is provided with access door.
Priority Applications (1)
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CN2010201853009U CN201681516U (en) | 2010-05-06 | 2010-05-06 | Single-pendulum track record display system |
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CN2010201853009U CN201681516U (en) | 2010-05-06 | 2010-05-06 | Single-pendulum track record display system |
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CN201681516U true CN201681516U (en) | 2010-12-22 |
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CN2010201853009U Expired - Fee Related CN201681516U (en) | 2010-05-06 | 2010-05-06 | Single-pendulum track record display system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102236992A (en) * | 2010-05-06 | 2011-11-09 | 上海科技馆 | Observation device of simple pendulum movement and record method of simple pendulum movement track |
CN109166415A (en) * | 2018-06-26 | 2019-01-08 | 南京邮电大学 | A kind of Foucault pendulum motion trail analysis device and its working method |
CN109509390A (en) * | 2018-11-29 | 2019-03-22 | 合肥磐石自动化科技有限公司 | A kind of Foucault pendulum apparatus for demonstrating |
-
2010
- 2010-05-06 CN CN2010201853009U patent/CN201681516U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102236992A (en) * | 2010-05-06 | 2011-11-09 | 上海科技馆 | Observation device of simple pendulum movement and record method of simple pendulum movement track |
CN102236992B (en) * | 2010-05-06 | 2014-06-25 | 上海科技馆 | Observation device of simple pendulum movement and record method of simple pendulum movement track |
CN109166415A (en) * | 2018-06-26 | 2019-01-08 | 南京邮电大学 | A kind of Foucault pendulum motion trail analysis device and its working method |
CN109509390A (en) * | 2018-11-29 | 2019-03-22 | 合肥磐石自动化科技有限公司 | A kind of Foucault pendulum apparatus for demonstrating |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20140506 |