CN206148012U - Demonstration ware is propagated to vacuum sound - Google Patents
Demonstration ware is propagated to vacuum sound Download PDFInfo
- Publication number
- CN206148012U CN206148012U CN201620829634.2U CN201620829634U CN206148012U CN 206148012 U CN206148012 U CN 206148012U CN 201620829634 U CN201620829634 U CN 201620829634U CN 206148012 U CN206148012 U CN 206148012U
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- CN
- China
- Prior art keywords
- vacuum
- tight
- electric bell
- housing
- wireless
- 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
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Abstract
The utility model relates to a physical experiment device technical field specifically is a demonstration ware is propagated to vacuum sound, including vacuum cap and vacuum cap isolated base, the top of vacuum cap is provided with vacuum pressure meter, and the vacuum cap installs in the top of vacuum cap isolated base, be provided with the poppet valve door of bleeding on the lateral wall of vacuum cap, be provided with wireless vibrations electric bell in the vacuum cap, and the bottom of wireless vibrations electric bell is provided with rubber cushion. The utility model discloses convenient to use rational in infrastructure can detect the inside pressure size of vacuum cap through vacuum pressure meter directly perceivedly, through the frequency of shoc and different vacuum pressure decibel sizes down of can the wireless control inside wireless vibrations electric bell of controller, avoids among the wireless vibrations electric bell vibrating process keeping apart base body with sound through the vacuum cap through rubber cushion and propagates go out and influence the experimental result, will demonstrate the release decibel change of measuring sound of the inside air of ware through the vacuum pump.
Description
Technical field
This utility model is related to Physical Experiment equipment technical field, specially a kind of vacuum sound propagation demonstrator.
Background technology
The implication of vacuum is referred in given space less than the gaseous state of an atmospheric pressure, is that a kind of physics shows
As.In " hollow ", sound without medium because cannot transmit, but the transmission of electromagnetic wave is not affected by vacuum.It is true
On, in vacuum technique, for air, the part material of a particular space inside is discharged so as to which pressure is little for vacuum system
In a normal atmosphere, then it is vacuum or vacuum state that we are generally called this space.Vacuum commonly uses Pascal（Pascal）Or support
You（Torr）As pressure unit of force, in natural environment, only the outer space can be rated as the space closest to vacuum.
Utility model content
The purpose of this utility model is to provide a kind of vacuum sound propagation demonstrator, to solve above-mentioned background technology in carry
The problem for going out.
For achieving the above object, this utility model provides following technical scheme：A kind of vacuum sound propagation demonstrator, including
Vacuum (-tight) housing and vacuum (-tight) housing isolated base, are provided with pressure vacuum gauge at the top of the vacuum (-tight) housing, and vacuum (-tight) housing is arranged on vacuum (-tight) housing
The top of isolated base, is provided with air suction disc valve on the side wall of the vacuum (-tight) housing, in the vacuum (-tight) housing wireless vibration is provided with
Electric bell, and the bottom of wireless vibration electric bell is provided with rubber mount, the wireless vibration electric bell is arranged on vacuum (-tight) housing isolated base
On, the upper end both sides of the wireless vibration electric bell are provided with to be provided with below shaking device, and shaking device beats electricity
Bell.
Preferably, the junction of the vacuum (-tight) housing and vacuum (-tight) housing isolated base is sealed by seal washer.
Preferably, the seal washer is rubber washer.
Preferably, the front end of the wireless vibration electric bell is provided with wireless controller, and the lower section of wireless controller is arranged
There is vibrations electric bell display, the wireless vibration electric bell is internally provided with internal battery.
Preferably, the vacuum (-tight) housing selects transparent reinforced glasses cover.
Compared with prior art, the beneficial effects of the utility model are：It is rational in infrastructure easy to use, by pressure vacuum gauge
The pressure size inside vacuum (-tight) housing can be intuitively detected, can be with the wireless vibration electric bell inside controlled in wireless by controller
Decibel size under vibration frequency and different vacuum pressures, being avoided by rubber mount will during the vibrations of wireless vibration electric bell
Sound is blazed abroad impact experimental result by vacuum (-tight) housing isolated base body, is extracted out demonstration device inner air by vacuum pump
To detect that the decibel of sound changes.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of this utility model wireless vibration electric bell；
Fig. 3 is the top view of this utility model vacuum (-tight) housing isolated base.
In figure：1- pressure vacuum gauges；2- vacuum (-tight) housings；3- wireless vibration electric bells；4- air suction disc valves；5- seal washers；6-
Vibrations electric bell display；7- rubber mounts；8- vacuum (-tight) housing isolated bases；9- shaking devices；10- beats electric bell；11- in-built electricals
Pond；12- wireless controllers.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1, Fig. 2 and Fig. 3 are referred to, this utility model provides a kind of technical scheme：A kind of vacuum sound propagation demonstrator,
Including vacuum (-tight) housing 2 and vacuum (-tight) housing isolated base 8, the top of vacuum (-tight) housing 2 is provided with pressure vacuum gauge 1, can by pressure vacuum gauge 1
Determine that vacuum closes in time valve to observe directly the pressure value inside vacuum (-tight) housing 2, and vacuum (-tight) housing 2 be arranged on vacuum (-tight) housing every
From the top of base 8, air suction disc valve 4 is provided with the side wall of vacuum (-tight) housing 2, air can be controlled by air suction disc valve 4
Extract out and inject, in vacuum (-tight) housing 2 wireless vibration electric bell 3 is provided with, and the bottom of wireless vibration electric bell 3 is provided with rubber mount 7,
By rubber mount 7 sound can be avoided from passing through the accuracy for sending the impact experimental result that blazes abroad of vibrations, wireless vibration
Electric bell 3 is arranged on vacuum (-tight) housing isolated base 8, and the upper end both sides of wireless vibration electric bell 3 are provided with shaking device 9, pass through
Shaking device 9 can be transmitted with simulated sound when rubber mount 7 is removed by object vibrations, and the lower section of shaking device 9 sets
It is equipped with and beats electric bell 10.
The junction of vacuum (-tight) housing 2 and vacuum (-tight) housing isolated base 8 is sealed by seal washer 5, is ensured very by seal washer 5
The sealing of empty device avoid it is poorly sealed cause vacuum impact experimental result not up to standard, the preferred rubber packing ring of seal washer 5,
The front end of wireless vibration electric bell 3 is provided with wireless controller 12, can be with controlled in wireless wireless vibration electricity by wireless controller 12
The sounding of bell 3 and vibrations, and the lower section of wireless controller 12 is provided with vibrations electric bell display 6, by shaking electric bell display 6
The sound decibel for sending and vibration frequency of electric bell can be directly displayed, and to be easy to the data detected in the outside of vacuum (-tight) housing 2 to carry out right
Internal battery 11 is internally provided with than, wireless vibration electric bell 3, vacuum (-tight) housing 2 selects transparent reinforced glasses cover.
The operation principle of the present embodiment：During using the vacuum sound propagation demonstrator, vacuum machine is by trachea and air suction disc
Valve 4 connects, and the wireless vibration electric bell 3 after charging is placed on into the centre position of vacuum (-tight) housing isolated base 8, and vacuum (-tight) housing 2 is led to
Cross seal washer 5 to seal with vacuum (-tight) housing isolated base 8, wireless control signal is passed to by wireless vibration electricity by ambient controller
The vibrations of the control wireless vibration of wireless controller 12 electric bell 3 on bell 3 and sounding, can be shown by shaking electric bell display 6
The sound decibel and vibration frequency size for sending is easy to the observation and the contrast to sound decibel of extraneous student, by vacuum pressure
Table 1 can go out the internal pressure size of vacuum (-tight) housing 2 with real time reaction.
Although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art comes
Say, it still can modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. all should
It is included within protection domain of the present utility model.
Claims (5)
1. a kind of vacuum sound propagation demonstrator, including vacuum (-tight) housing（2）With vacuum (-tight) housing isolated base（8）, it is characterised in that：It is described
Vacuum (-tight) housing（2）Top be provided with pressure vacuum gauge（1）, and vacuum (-tight) housing（2）Installed in vacuum (-tight) housing isolated base（8）Top,
The vacuum (-tight) housing（2）Side wall on be provided with air suction disc valve（4）, the vacuum (-tight) housing（2）Inside it is provided with wireless vibration electric bell
（3）, and wireless vibration electric bell（3）Bottom be provided with rubber mount（7）, the wireless vibration electric bell（3）Installed in vacuum (-tight) housing
Isolated base（8）On, the wireless vibration electric bell（3）Upper end both sides be provided with shaking device（9）, and shaking device
（9）Lower section be provided with and beat electric bell（10）.
2. a kind of vacuum sound propagation demonstrator according to claim 1, it is characterised in that：The vacuum (-tight) housing（2）With it is true
Empty cover isolated base（8）Junction pass through seal washer（5）Sealing.
3. a kind of vacuum sound propagation demonstrator according to claim 2, it is characterised in that：The seal washer（5）For
Rubber washer.
4. a kind of vacuum sound propagation demonstrator according to claim 1, it is characterised in that：The wireless vibration electric bell
（3）Front end be provided with wireless controller（12）, and wireless controller（12）Lower section be provided with vibrations electric bell display（6）,
The wireless vibration electric bell（3）Be internally provided with internal battery（11）.
5. a kind of vacuum sound propagation demonstrator according to claim 1, it is characterised in that：The vacuum (-tight) housing（2）From
Transparent reinforced glasses cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620829634.2U CN206148012U (en) | 2016-07-31 | 2016-07-31 | Demonstration ware is propagated to vacuum sound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620829634.2U CN206148012U (en) | 2016-07-31 | 2016-07-31 | Demonstration ware is propagated to vacuum sound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148012U true CN206148012U (en) | 2017-05-03 |
Family
ID=58627798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620829634.2U Expired - Fee Related CN206148012U (en) | 2016-07-31 | 2016-07-31 | Demonstration ware is propagated to vacuum sound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206148012U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107067904A (en) * | 2017-05-09 | 2017-08-18 | 成都新邦教育咨询有限公司 | A set of demonstration air can transaudient and vacuum can not be transaudient experimental provision |
| CN108492688A (en) * | 2018-03-07 | 2018-09-04 | 刘源 | The method and apparatus of vacuum is obtained in a kind of middle school physical experiment |
| CN111145620A (en) * | 2020-01-20 | 2020-05-12 | 艾迪技术创新私人有限公司 | Teaching apparatus for demonstrating sound transmission through air |
-
2016
- 2016-07-31 CN CN201620829634.2U patent/CN206148012U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107067904A (en) * | 2017-05-09 | 2017-08-18 | 成都新邦教育咨询有限公司 | A set of demonstration air can transaudient and vacuum can not be transaudient experimental provision |
| CN108492688A (en) * | 2018-03-07 | 2018-09-04 | 刘源 | The method and apparatus of vacuum is obtained in a kind of middle school physical experiment |
| CN111145620A (en) * | 2020-01-20 | 2020-05-12 | 艾迪技术创新私人有限公司 | Teaching apparatus for demonstrating sound transmission through air |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20180731 |