CN204667729U - Acoustic Wave Propagation is by medium Experiment of Principle apparatus for demonstrating - Google Patents
Acoustic Wave Propagation is by medium Experiment of Principle apparatus for demonstrating Download PDFInfo
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- CN204667729U CN204667729U CN201520377618.XU CN201520377618U CN204667729U CN 204667729 U CN204667729 U CN 204667729U CN 201520377618 U CN201520377618 U CN 201520377618U CN 204667729 U CN204667729 U CN 204667729U
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Abstract
The utility model relates to Acoustic Wave Propagation by medium Experiment of Principle apparatus for demonstrating, comprise wide-necked bottle, vacuum extractor, mobile phone, three-way pipe, the support platform with rubber seal plug, mobile phone tested by the first test mobile phone and second that mobile phone comprises incoming ring tone different, in support platform, pillar is established in side, foam fixed block is established on pillar top, and the first test mobile phone is suspended on foam fixed block by suspender; In support platform, opposite side establishes wide-necked bottle, second test mobile phone is suspended in wide-necked bottle by suspender, three-way pipe comprises " one " font first arm and the second arm, first arm and the second arm vertical connection and one-body molded, second arm lower end sealing runs through rubber seal plug and is placed in wide-necked bottle, first arm one end is provided with sealed valve, the other end is connected to vacuum extractor by the connecting hose be tightly connected with it.The overall apparatus for demonstrating of the utility model is simple to operation, and is easy to contrast result.
Description
Technical field
The utility model relates to physics teaching auxiliary experiment device technical field, specifically relates to Acoustic Wave Propagation by medium Experiment of Principle apparatus for demonstrating.
Background technology
In junior physics course, can relate to a theory about sound transmission, namely sound transmission needs medium, understanding fully intuitively and grasping this theory, often utilizing apparatus for demonstrating to carry out class demonstration for allowing student.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of simple to operation, be convenient to paired observation and go out the Acoustic Wave Propagation of result by medium Experiment of Principle apparatus for demonstrating.
For solving the problems of the technologies described above, the utility model provides following technical scheme: Acoustic Wave Propagation is by medium Experiment of Principle apparatus for demonstrating, comprise wide-necked bottle, vacuum extractor, the first test mobile phone, the second test mobile phone, three-way pipe, the support platform with rubber seal plug, the incoming ring tone that mobile phone tested by described first test mobile phone and second is different, in described support platform, pillar is established in side, foam fixed block is established on described pillar top, and described first test mobile phone is suspended on foam fixed block by suspender; In described support platform, opposite side establishes wide-necked bottle, described second test mobile phone is connected to rubber seal plug by suspender and is placed in wide-necked bottle, described three-way pipe comprises " one " font first arm and the second arm, described first arm and the second arm vertical connection and one-body molded, described second arm lower end sealing runs through rubber seal plug and is placed in wide-necked bottle, described first arm one end is provided with sealed valve, the other end is connected to vacuum extractor by the connecting hose be tightly connected with it.
The apparatus for demonstrating that the utility model provides, is suspended to foam fixed block, is suspended to after in wide-necked bottle by the second test mobile phone by the first test mobile phone, then dial the first test mobile phone and the second test mobile phone simultaneously, can hear the incoming ring tone of two mobile phones; Then utilize vacuum extractor progressively by vacuum state in wide-necked bottle, the first test mobile phone incoming ring tone can be obtained still very loud, and the incoming ring tone of the second test mobile phone is progressively decreased to disappearance; Overall apparatus for demonstrating is simple to operation, and is easy to contrast result.
Improve as to the one of technique scheme, described suspender comprises suspension line, locking pin, and described locking pin bottom connects suspension line top, and described suspension line bottom is connected to mobile phone; Suspender is utilized to get up to isolate with other objects by mobile phone suspention.
Limit as to the one of technique scheme, described vacuum means is set to vacuum air pump.
Improve as to the one of technique scheme, described support platform bottom surface is evenly provided with four can braking universal wheel, is convenient to mobile whole apparatus for demonstrating.
As preferred to the one of technique scheme, described support platform is rectangular-shaped base plate.
As preferred to the another kind of technique scheme, described support platform is desk, describedly can be arranged at bottom desk table leg by braking universal wheel.
The beneficial effect that the utility model compared with prior art has is: the apparatus for demonstrating that the utility model provides, and overall apparatus for demonstrating is simple to operation, and is easy to contrast result.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment one structural representation;
Fig. 2 is the utility model embodiment two structural representation.
Number in the figure is: 1-base plate, and 2-can braking universal wheel, 3-pillar, 4-foam fixed block, 5-suspender, 6-suspension line, 7-locking pin, 8-first tests mobile phone, and 9-second tests mobile phone, 10-wide-necked bottle, 11-rubber seal plug, 12-vacuum extractor, 13-connecting hose, 14-sealed valve, 15-first arm, 16-second arm, 17-desk.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is only the utility model for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
Embodiment one:
Known with reference to Fig. 1, Acoustic Wave Propagation is by medium Experiment of Principle apparatus for demonstrating, comprise and test mobile phone 8, second test mobile phone 9, three-way pipe, support platform with the wide-necked bottle 10 of rubber seal plug 11, vacuum extractor 12, first, the incoming ring tone that both mobile phones 9 tested by described first test mobile phone 8 and second is different, in described support platform, pillar 3 is established in side, foam fixed block 4 is established on described pillar 3 top, and described first test mobile phone 8 is suspended on foam fixed block 4 by suspender 5, in described support platform, opposite side establishes wide-necked bottle 10, described second test mobile phone 9 is connected to rubber seal plug 11 by suspender 5 and is placed in wide-necked bottle 10, described three-way pipe comprises " one " font first arm 15 and the second arm 16, described first arm 15 and the second arm 16 vertical connection and one-body molded, described second arm 16 lower end sealing runs through rubber seal plug 11 and is placed in wide-necked bottle 10, described first arm 15 one end is provided with sealed valve 14, the other end is connected to vacuum extractor 12 by the connecting hose 13 be tightly connected with it, this vacuum extractor 12 is vacuum air pump.
With further reference to Fig. 1, described suspender 5 comprises suspension line 6, locking pin 7, and described locking pin 7 bottom connects suspension line 6 top, and described suspension line 6 bottom is connected to mobile phone, and locking pin 7 top is inserted on foam fixed block 4; Suspender 5 is utilized to get up to isolate with other objects by the first test mobile phone suspention.
With further reference to Fig. 1, described support platform is rectangular-shaped base plate 1, and described support platform bottom surface is evenly provided with four can braking universal wheel 2, is convenient to mobile whole apparatus for demonstrating.
The apparatus for demonstrating that the utility model provides, first test mobile phone 8 is suspended to foam fixed block 4, the second test mobile phone 9 is suspended to after in wide-necked bottle 10, then dial the first test mobile phone 8 and the second test mobile phone 9 simultaneously, the incoming ring tone of two mobile phones can be heard; Then utilize vacuum extractor 12 progressively by vacuum state in wide-necked bottle 10, the first test mobile phone 8 incoming ring tone can be obtained still very loud, and the incoming ring tone of the second test mobile phone 9 is progressively decreased to disappearance; Overall apparatus for demonstrating is simple to operation, and is easy to contrast result.
Embodiment two:
With reference to shown in Fig. 2, the present embodiment with implement a difference and be that the support platform selected is different, the described support platform of the present embodiment is desk 17, describedly can be arranged at bottom desk 17 table leg by braking universal wheel 2; Apparatus for demonstrating is convenient to touring demonstration in class by moveable desk 17, guarantees that school is vivid and experiences experimental phenomena.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. Acoustic Wave Propagation is by medium Experiment of Principle apparatus for demonstrating, it is characterized in that: comprise wide-necked bottle, vacuum extractor, mobile phone, three-way pipe, the support platform with rubber seal plug, mobile phone tested by the first test mobile phone and second that described mobile phone comprises incoming ring tone different, in described support platform, pillar is established in side, foam fixed block is established on described pillar top, and described first test mobile phone is suspended on foam fixed block by suspender; In described support platform, opposite side establishes wide-necked bottle, described second test mobile phone is connected to rubber seal plug by suspender and is placed in wide-necked bottle, described three-way pipe comprises " one " font first arm and the second arm, described first arm and the second arm vertical connection and one-body molded, described second arm lower end sealing runs through rubber seal plug and is placed in wide-necked bottle, described first arm one end is provided with sealed valve, the other end is connected to vacuum extractor by the connecting hose be tightly connected with it.
2. Acoustic Wave Propagation according to claim 1 is by medium Experiment of Principle apparatus for demonstrating, it is characterized in that: described suspender comprises suspension line, locking pin, and described locking pin bottom connects suspension line top, and described suspension line bottom is connected to mobile phone.
3. Acoustic Wave Propagation according to claim 2 is by medium Experiment of Principle apparatus for demonstrating, it is characterized in that: described vacuum means is set to vacuum air pump.
4. Acoustic Wave Propagation according to claim 3 is by medium Experiment of Principle apparatus for demonstrating, it is characterized in that: described support platform bottom surface is evenly provided with four can braking universal wheel.
5. Acoustic Wave Propagation according to claim 4 is by medium Experiment of Principle apparatus for demonstrating, it is characterized in that: described support platform is rectangular-shaped base plate.
6. Acoustic Wave Propagation according to claim 4 is by medium Experiment of Principle apparatus for demonstrating, it is characterized in that: described support platform is desk, describedly can be arranged at bottom desk table leg by braking universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377618.XU CN204667729U (en) | 2015-05-30 | 2015-05-30 | Acoustic Wave Propagation is by medium Experiment of Principle apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377618.XU CN204667729U (en) | 2015-05-30 | 2015-05-30 | Acoustic Wave Propagation is by medium Experiment of Principle apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
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| CN204667729U true CN204667729U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520377618.XU Expired - Fee Related CN204667729U (en) | 2015-05-30 | 2015-05-30 | Acoustic Wave Propagation is by medium Experiment of Principle apparatus for demonstrating |
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| CN (1) | CN204667729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146505A (en) * | 2017-07-05 | 2017-09-08 | 夏晓东 | A kind of senior middle school physics teaching apparatus for demonstrating and method |
| CN108039101A (en) * | 2017-12-22 | 2018-05-15 | 肖述盛 | A kind of physics teaching sound transmission experimental provision |
-
2015
- 2015-05-30 CN CN201520377618.XU patent/CN204667729U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146505A (en) * | 2017-07-05 | 2017-09-08 | 夏晓东 | A kind of senior middle school physics teaching apparatus for demonstrating and method |
| CN108039101A (en) * | 2017-12-22 | 2018-05-15 | 肖述盛 | A kind of physics teaching sound transmission experimental provision |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20170530 |
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| CF01 | Termination of patent right due to non-payment of annual fee |