CN102024360A - Dynamic demonstration model for sound being received by human ear - Google Patents
Dynamic demonstration model for sound being received by human ear Download PDFInfo
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- CN102024360A CN102024360A CN2009101825547A CN200910182554A CN102024360A CN 102024360 A CN102024360 A CN 102024360A CN 2009101825547 A CN2009101825547 A CN 2009101825547A CN 200910182554 A CN200910182554 A CN 200910182554A CN 102024360 A CN102024360 A CN 102024360A
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Abstract
A dynamic demonstration model for sound being received by a human ear relates to a teaching aid, which is characterized in that a thin plastic bowl is used as an auricle; a plastic film is covered on the top of the bowl to serve as the tympanic membrane of the simulated ear; a plastic tube is connected to the circular hole in the bottom of the plastic bowl; a pin connected on the plastic tube is connecting with a lead; the other end of the lead is connected with the center part of the plastic film covered on the top of the bowl; and a screw is provided on the contact point between the LED lead and the pin. The experiment of simulating sound being received by a human ear can be carried out by adjusting the distance between the screw and the pin and clapping toward the top of the bowl until the LED gives off light. The dynamic demonstration model allows students analyzing the transmission process of sound; gradually understanding the function of every part of an ear, thereby significantly arousing students' enthusiasm for learning and leaving deep learning impression.
Description
Technical field
The present invention relates to a kind of teaching aid.
Background technology
In existing teaching aid instrument, do not have also that a teaching aid can listen people's ear the process of sound directly perceived, image, dynamically demonstration is come out.Existing people's ear model also can only allow its structure of students ' understanding, the process of can't demonstrating sound transmitting.
Summary of the invention
The objective of the invention is to provide a kind of people's ear to listen dynamic demonstrating model, it is with a thin plastic bowl body that this people's ear is listened dynamic demonstrating model, bottom at thin plastic bowl body cuts a circular hole, covers with layer of plastic film on the rim of a bowl of thin plastic bowl body, as the eardrum of simulation ear; Be connected on the circular hole that thin plastic bowl body cuts with a plastic tube, thin plastic bowl body as auricle, plastic tube as external auditory meatus; Then this device is fixed on the portrait that is printed on ear and human brain structure.Connect a pin on plastic tube, connect a lead on the pin, the center of the plastic sheeting that covers on the rim of a bowl of the other end of lead and thin plastic bowl body is connected; Establish a screw at the lead of light emitting diode and the place, contact of pin; Then this device is fixed on the relative position of corresponding cochlea and phonophore; By screw and lead simulation cochlea, the auditory nerve that the sound wave of receiving is simulated by lead is passed to the auditory center of human brain, fixes a light emitting diode and simulate auditory center on the position of the auditory center of human brain structure portrait; With electric wire the lead on light emitting diode, the screw, lead on the pin and dry cell are together in series at last and can realize that people's ear listens the dynamic simulation experiment of sound.
During use, the distance between set screw and the pin needle point is aimed at the plastic bowl body then and is clapped one's hands, and causes the plastic sheeting vibration, can connect circuit, makes lumination of light emitting diode.Clap the hands by aiming at plastic bowl body auricle, make the lumination of light emitting diode that places brain, illustrate that acoustic signals has been communicated to brain.Thus, can allow the transmittance process of students ' analysis sound in ear, progressively be familiar with the effect of people's ear each several part.Because the student can participate in research in person, thereby can greatly motivate students' interest in learning, and stays deep study impression.
People's ear listen dynamic demonstrating model be with a thin plastic bowl body as auricle, play the effect of collecting sound wave; Bottom at thin plastic bowl body cuts a circular hole, covers with the eardrum of layer of plastic film as the simulation ear on the rim of a bowl of thin plastic bowl body, and eardrum has the effect that causes vibration; Be connected on the circular hole that thin plastic bowl body bottom cuts as external auditory meatus with a plastic tube, external auditory meatus has the effect of conducted acoustic waves; This device is fixed on the portrait that is printed on ear and human brain structure, then to show simulate live; Connect a pin on plastic tube, connect a lead on the pin, the center of the plastic sheeting that covers on the rim of a bowl of the other end of lead and thin plastic bowl body is connected, and pin and lead are simulated phonophore can pass to cochlea to vibration; Establish a screw at the lead of light emitting diode and the place, contact of pin, by screw and lead simulation cochlea and auditory nerve, the sound wave of receiving is passed to the auditory center of human brain by the auditory nerve of lead simulation, on the position of the auditory center of human brain structure portrait, fix a light emitting diode and simulate auditory center; With electric wire the lead on light emitting diode, the screw, lead on the pin and dry cell are together in series at last and can realize that people's ear listens the dynamic simulation experiment of sound.
Adopting people's ear to listen the beneficial effect of dynamic demonstrating model is to allow the transmittance process of students ' analysis sound in ear, progressively is familiar with the effect of people's ear each several part.Because the student can participate in research in person, thereby can greatly motivate students' interest in learning, and stays deep study impression.
Description of drawings
Fig. 1 is the structural representation that people's ear is listened dynamic demonstrating model.
Embodiment
With reference to Fig. 1, people's ear listen dynamic demonstrating model be with a thin plastic bowl body 1 as auricle, play the effect of collecting sound wave; Bottom at thin plastic bowl body 1 cuts a circular hole, covers with the eardrum of layer of plastic film 2 as the simulation ear on the rim of a bowl of thin plastic bowl body 1, and eardrum has the effect that causes vibration;
Be connected on the circular hole that thin plastic bowl body 1 cuts as external auditory meatus with a plastic tube 3, external auditory meatus has the effect of conducted acoustic waves; This device is fixed on the portrait that is printed on ear and human brain structure, then to show simulate live;
Connect a pin 5 on plastic tube 3, connect a lead 4 on the pin 5, the center of the plastic sheeting 2 that covers on the rim of a bowl of the other end of lead 4 and thin plastic bowl body 1 is connected, and pin 5 is simulated phonophores with lead 4 can pass to cochlea to vibration; Establishing a screw 6 at the lead of light emitting diode and the place, contact of pin, connecting a lead 7 on the screw 6 can be connected with a light emitting diode 8; By screw 6 simulation cochlea, the auditory nerve that the sound wave of receiving is simulated by lead 7 is passed to the auditory center of human brain, fixes a light emitting diode 8 and simulate auditory center on the position of the auditory center of human brain structure portrait; With electric wire the lead on light emitting diode, the screw, lead on the pin and dry cell are together in series at last and can realize that people's ear listens the dynamic simulation experiment of sound.
Claims (1)
1. people's ear listens dynamic demonstrating model to be combined by the analogue means of people's ear and human brain, it is characterized in that a circular hole is arranged at the bottom of thin plastic bowl body (1), and covering on the rim of a bowl of thin plastic bowl body (1) has layer of plastic film (2); One section plastic tube (3) is connected on the circular hole of thin plastic bowl body (1) bottom; Plastic tube (3) go up to connect a pin (5), and pin (5) is gone up and connected a lead (4), and the center of the plastic sheeting (2) that covers on the rim of a bowl of the other end of lead (4) and thin plastic bowl body (1) is connected; Lead (7) in light emitting diode (8) locates to establish screw (6) with the contact of pin (5), and screw (6) is gone up and connected a lead (7), and lead (7) is connected with light emitting diode (8); With electric wire the lead (7) on light emitting diode (8), the screw (6), lead (4) and dry cell on the pin (5) are in series at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101825547A CN102024360A (en) | 2009-09-16 | 2009-09-16 | Dynamic demonstration model for sound being received by human ear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101825547A CN102024360A (en) | 2009-09-16 | 2009-09-16 | Dynamic demonstration model for sound being received by human ear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102024360A true CN102024360A (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101825547A Pending CN102024360A (en) | 2009-09-16 | 2009-09-16 | Dynamic demonstration model for sound being received by human ear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102024360A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409109A (en) * | 2016-10-31 | 2017-02-15 | 济南大学 | Animal external ear sound characteristic simulator |
| CN106530925A (en) * | 2016-10-31 | 2017-03-22 | 济南大学 | Animal acoustic system simulation device |
| CN110136560A (en) * | 2019-05-31 | 2019-08-16 | 山东交通学院 | The bionical bat ear loudspeaker model functional device of slope-intercept form and experimental method |
| CN110246404A (en) * | 2019-06-10 | 2019-09-17 | 清华大学 | A kind of scientific popularization demonstration device showing human ear structure and working principle |
-
2009
- 2009-09-16 CN CN2009101825547A patent/CN102024360A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409109A (en) * | 2016-10-31 | 2017-02-15 | 济南大学 | Animal external ear sound characteristic simulator |
| CN106530925A (en) * | 2016-10-31 | 2017-03-22 | 济南大学 | Animal acoustic system simulation device |
| CN106409109B (en) * | 2016-10-31 | 2018-12-18 | 济南大学 | Animal external ear sound property simulator |
| CN106530925B (en) * | 2016-10-31 | 2018-12-18 | 济南大学 | Animal sound system simulator |
| CN110136560A (en) * | 2019-05-31 | 2019-08-16 | 山东交通学院 | The bionical bat ear loudspeaker model functional device of slope-intercept form and experimental method |
| CN110136560B (en) * | 2019-05-31 | 2020-12-29 | 山东交通学院 | Oblique-section type bionic bat-ear horn model function device and experimental method |
| CN110246404A (en) * | 2019-06-10 | 2019-09-17 | 清华大学 | A kind of scientific popularization demonstration device showing human ear structure and working principle |
| CN110246404B (en) * | 2019-06-10 | 2021-06-15 | 清华大学 | Science popularization display device for displaying human ear structure and working principle |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110420 |