CN206514900U - A kind of device based on gas density in gas flow measurement air film - Google Patents
A kind of device based on gas density in gas flow measurement air film Download PDFInfo
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- CN206514900U CN206514900U CN201720044363.4U CN201720044363U CN206514900U CN 206514900 U CN206514900 U CN 206514900U CN 201720044363 U CN201720044363 U CN 201720044363U CN 206514900 U CN206514900 U CN 206514900U
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- 238000005259 measurement Methods 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 78
- 239000004579 marble Substances 0.000 claims abstract description 31
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 230000035939 shock Effects 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model is related to a kind of device based on gas density in gas flow measurement air film, belongs to precision equipment performance detection field.Pedestal described in the utility model is fixed on level ground, shock insulation platform is placed on pedestal, marble platform is positioned on horizontal vibration-isolating platform, aerostatic bearing is placed on marble platform center, pressure sensor is placed on directly over aerostatic bearing, sensor stand one end is fixed on shock insulation platform, sensor stand other end connection micro-displacement sensor access Micro-force sensor, and cylinder is rack-mount and is located at the surface of pressure sensor；Air compressor after overcompression, separates source of the gas three road gases by threeway and supplied respectively to cylinder and aerostatic bearing.The utility model changes the influence to air film gap by the regulation of gas flow by air-film thickness, so as to calculate the density of gas in air film using the variable quantity of measured gas flow.
Description
Technical field
The utility model is related to a kind of device based on gas density in gas flow measurement air film, belongs to precision equipment
Can detection field.
Background technology
As aerostatic bearing is in the extensive use of every field, gas in air film under detection gas with various flow condition
The size of density, the change of its gas flow can cause the change in air film gap, and then cause the change of gas density in air film
Change, the change by experiment test aerostatic bearing gas flow be also obtain gas density in air film important means it
One.
Aerostatic bearing be using air as lubricant medium, it is right with ultralow coefficient of friction and very high kinematic accuracy
The environment such as tolerance such as low temperature, high temperature, radiation is stronger, is widely applied in Aero-Space and precision optical machinery, air film
Effects of Density is to aerostatic bearing bearing capacity, so the density of control aerostatic bearing is the important of raising bearing capacity
Ensure, the air film density for how more accurately measuring aerostatic bearing is to improve one of important research content of its application.
The content of the invention
The utility model provides a kind of device based on gas density in gas flow measurement air film, for measurement gas
Gas density in film.
The technical solution of the utility model is：A kind of device based on gas density in gas flow measurement air film, including
Pedestal 1, shock insulation platform 2, marble platform 3, aerostatic bearing 4, pressure sensor 5, sensor stand 6, micro-displacement sensing
Device 7, cylinder 8, support 9, pressure-regulating valve 10, flowmeter 11, pressure gauge 12 and air compressor 13；
The pedestal 1 is fixed on level ground, and shock insulation platform 2 is placed on pedestal 1, and marble platform 3 is positioned over water
On flat vibration-isolating platform 2, aerostatic bearing 4 is placed on the center of marble platform 3, and pressure sensor 5 is placed on static air pressure
Directly over bearing 4, the one end of sensor stand 6 is fixed on shock insulation platform 2, and the other end connection micro-displacement of sensor stand 6 is passed
Sensor 7 accesses Micro-force sensor, and cylinder 8 is arranged on support 9 and positioned at the surface of pressure sensor 5；Air compressor 13
Source of the gas after overcompression, three road gases are separated by threeway and supplied respectively to cylinder 8 and aerostatic bearing 4, are supplied to cylinder 8
The motion of pressure gauge 12, pressure-regulating valve 10 to control cylinder 8 is installed on the branch road of gas, supplied to aerostatic bearing 4
Branch road on be equipped with pressure gauge 12, pressure-regulating valve 10 and flowmeter 11, to detect air pressure and gas flow.
The support 9 is parallel to marble platform 3, so that cylinder 8 is disposed perpendicular to marble platform 3.To ensure to apply
External force will not produce component, influence control accuracy.
The flowmeter 11 is located between pressure-regulating valve 10 and aerostatic bearing 4（The air inlet pipe of aerostatic bearing 4 is used
Screw thread is linked to flowmeter 11）.So as to realize with gas density in accurately flow measurement air film, the device is effectively guaranteed
Measuring accuracy.
Wherein aerostatic bearing 4 is positioned in marble platform 3, and support 9 is parallel with marble platform 3, and cylinder 8 is installed
On support 9, to ensure to apply external force perpendicular to aerostatic bearing 4, pressure gauge 12 is coupled with going out for air compressor 13
On tracheae, pressure-regulating valve 10 is separately mounted on the branch road of cylinder 8 and aerostatic bearing 4, and flowmeter 11 is arranged on pressure
Between regulating valve 10 and aerostatic bearing 4, in order to accurately measure gas density in air film.
The course of work of the present utility model is：
Source of the gas after overcompression, three road gases is separated respectively to gas with certain air pressure by air compressor 13 by threeway
Cylinder 8 and aerostatic bearing 4 are supplied, and pressure-regulating valve 10, pressure gauge 12 are provided with to control on the branch road supplied to cylinder 8
The motion of cylinder 8.Pressure-regulating valve 10, pressure gauge 12 and flowmeter 11 are housed on the branch road supplied to aerostatic bearing 4, used
To detect air pressure and gas flow.During gas supply flow is increased, constant, air-film thickness increase is loaded, passes through micro-displacement
The change of sensor and Micro-force sensor detection air-film thickness and stressing conditions, with the changing value of flow measurement outflow；When to
Fixed load changes, in the case that gas flow is constant, and corresponding change can also occur for air-film thickness, so that air film density
Change, now detected with micro-displacement sensor and Micro-force sensor after air film variable quantity, and then calculate the gas in air film
Volume density.
The beneficial effects of the utility model are：
1. the apparatus structure is simple, easy to operate, economizes on resources, reduce cost.
2. by the regulation of gas flow, the influence to air film gap is changed by air-film thickness, so that measured by
The variable quantity of gas flow calculates the density of gas in air film.
3. device technique is succinct, simple operation, model simplification, it is readily appreciated that, data processing amount is small, simple and convenient
4. can be come out manoscopy in air film by once mounting test, reliability height is easily achieved.Cost is low,
Displacement and pressure sensor are in the relative popularization of colleges and universities and factory.
5. using micro-displacement sensor, the change in energy more accurate measurement air film gap can be more smart using flowmeter
The size of gas flow in air film is really drawn, air film density, shock insulation platform and Dali are calculated using the variable quantity of gas flow
Stone platform can effectively reduce influence of the interference signal produced during due to air film gap to test result, reduce measurement error,
Improve measurement accuracy, it is ensured that measurement result accuracy.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Each label in figure：1- pedestals, 2- vibration-isolating platforms, 3- marble platforms, 4- aerostatic bearings, 5- pressure sensings
Device, 6- sensor stands, 7- micro-displacement sensors, 8- cylinders, 9- supports, 10- pressure-regulating valves, 11- flowmeters, 12- pressure
Table, 13- air compressors.
Embodiment
Embodiment 1：As shown in figure 1, a kind of device based on gas density in gas flow measurement air film, including pedestal 1,
Shock insulation platform 2, marble platform 3, aerostatic bearing 4, pressure sensor 5, sensor stand 6, micro-displacement sensor 7, gas
Cylinder 8, support 9, pressure-regulating valve 10, flowmeter 11, pressure gauge 12 and air compressor 13；
The pedestal 1 is fixed on level ground, and shock insulation platform 2 is placed on pedestal 1, and marble platform 3 is positioned over water
On flat vibration-isolating platform 2, aerostatic bearing 4 is placed on the center of marble platform 3, and pressure sensor 5 is placed on static air pressure
Directly over bearing 4, the one end of sensor stand 6 is fixed on shock insulation platform 2, and the other end connection micro-displacement of sensor stand 6 is passed
Sensor 7 accesses Micro-force sensor, and cylinder 8 is arranged on support 9 and positioned at the surface of pressure sensor 5；Air compressor 13
Source of the gas after overcompression, three road gases are separated by threeway and supplied respectively to cylinder 8 and aerostatic bearing 4, are supplied to cylinder 8
The motion of pressure gauge 12, pressure-regulating valve 10 to control cylinder 8 is installed on the branch road of gas, supplied to aerostatic bearing 4
Branch road on be equipped with pressure gauge 12, pressure-regulating valve 10 and flowmeter 11, to detect air pressure and gas flow.
The support 9 is parallel to marble platform 3, so that cylinder 8 is disposed perpendicular to marble platform 3.
The flowmeter 11 is located between pressure-regulating valve 10 and aerostatic bearing 4.
Embodiment 2：As shown in figure 1, a kind of device based on gas density in gas flow measurement air film, including pedestal 1,
Shock insulation platform 2, marble platform 3, aerostatic bearing 4, pressure sensor 5, sensor stand 6, micro-displacement sensor 7, gas
Cylinder 8, support 9, pressure-regulating valve 10, flowmeter 11, pressure gauge 12 and air compressor 13；
The pedestal 1 is fixed on level ground, and shock insulation platform 2 is placed on pedestal 1, and marble platform 3 is positioned over water
On flat vibration-isolating platform 2, aerostatic bearing 4 is placed on the center of marble platform 3, and pressure sensor 5 is placed on static air pressure
Directly over bearing 4, the one end of sensor stand 6 is fixed on shock insulation platform 2, and the other end connection micro-displacement of sensor stand 6 is passed
Sensor 7 accesses Micro-force sensor, and cylinder 8 is arranged on support 9 and positioned at the surface of pressure sensor 5；Air compressor 13
Source of the gas after overcompression, three road gases are separated by threeway and supplied respectively to cylinder 8 and aerostatic bearing 4, are supplied to cylinder 8
The motion of pressure gauge 12, pressure-regulating valve 10 to control cylinder 8 is installed on the branch road of gas, supplied to aerostatic bearing 4
Branch road on be equipped with pressure gauge 12, pressure-regulating valve 10 and flowmeter 11, to detect air pressure and gas flow.
The flowmeter 11 is located between pressure-regulating valve 10 and aerostatic bearing 4.
Embodiment 3：As shown in figure 1, a kind of device based on gas density in gas flow measurement air film, including pedestal 1,
Shock insulation platform 2, marble platform 3, aerostatic bearing 4, pressure sensor 5, sensor stand 6, micro-displacement sensor 7, gas
Cylinder 8, support 9, pressure-regulating valve 10, flowmeter 11, pressure gauge 12 and air compressor 13；
The pedestal 1 is fixed on level ground, and shock insulation platform 2 is placed on pedestal 1, and marble platform 3 is positioned over water
On flat vibration-isolating platform 2, aerostatic bearing 4 is placed on the center of marble platform 3, and pressure sensor 5 is placed on static air pressure
Directly over bearing 4, the one end of sensor stand 6 is fixed on shock insulation platform 2, and the other end connection micro-displacement of sensor stand 6 is passed
Sensor 7 accesses Micro-force sensor, and cylinder 8 is arranged on support 9 and positioned at the surface of pressure sensor 5；Air compressor 13
Source of the gas after overcompression, three road gases are separated by threeway and supplied respectively to cylinder 8 and aerostatic bearing 4, are supplied to cylinder 8
The motion of pressure gauge 12, pressure-regulating valve 10 to control cylinder 8 is installed on the branch road of gas, supplied to aerostatic bearing 4
Branch road on be equipped with pressure gauge 12, pressure-regulating valve 10 and flowmeter 11, to detect air pressure and gas flow.
The support 9 is parallel to marble platform 3, so that cylinder 8 is disposed perpendicular to marble platform 3.
Embodiment 4：As shown in figure 1, a kind of device based on gas density in gas flow measurement air film, including pedestal 1,
Shock insulation platform 2, marble platform 3, aerostatic bearing 4, pressure sensor 5, sensor stand 6, micro-displacement sensor 7, gas
Cylinder 8, support 9, pressure-regulating valve 10, flowmeter 11, pressure gauge 12 and air compressor 13；
The pedestal 1 is fixed on level ground, and shock insulation platform 2 is placed on pedestal 1, and marble platform 3 is positioned over water
On flat vibration-isolating platform 2, aerostatic bearing 4 is placed on the center of marble platform 3, and pressure sensor 5 is placed on static air pressure
Directly over bearing 4, the one end of sensor stand 6 is fixed on shock insulation platform 2, and the other end connection micro-displacement of sensor stand 6 is passed
Sensor 7 accesses Micro-force sensor, and cylinder 8 is arranged on support 9 and positioned at the surface of pressure sensor 5；Air compressor 13
Source of the gas after overcompression, three road gases are separated by threeway and supplied respectively to cylinder 8 and aerostatic bearing 4, are supplied to cylinder 8
The motion of pressure gauge 12, pressure-regulating valve 10 to control cylinder 8 is installed on the branch road of gas, supplied to aerostatic bearing 4
Branch road on be equipped with pressure gauge 12, pressure-regulating valve 10 and flowmeter 11, to detect air pressure and gas flow.
Embodiment of the present utility model is explained in detail above in conjunction with accompanying drawing, but the utility model is not
It is limited to above-mentioned embodiment, in the knowledge that those of ordinary skill in the art possess, this practicality can also be not being departed from
Various changes can be made on the premise of new objective.
Claims (3)
1. a kind of device based on gas density in gas flow measurement air film, it is characterised in that：Including pedestal（1）, shock insulation put down
Platform（2）, marble platform（3）, aerostatic bearing（4）, pressure sensor（5）, sensor stand（6）, micro-displacement sensor
（7）, cylinder（8）, support（9）, pressure-regulating valve（10）, flowmeter（11）, pressure gauge（12）And air compressor（13）；
The pedestal（1）It is fixed on level ground, shock insulation platform（2）It is placed on pedestal（1）On, marble platform（3）Place
In the vibration-isolating platform of level（2）On, aerostatic bearing（4）It is placed on marble platform（3）Center, pressure sensor（5）Put
Put in aerostatic bearing（4）Surface, sensor stand（6）One end is fixed on shock insulation platform（2）On, sensor stand（6）
The other end connection micro-displacement sensor（7）Access Micro-force sensor, cylinder（8）Installed in support（9）Go up and be located at pressure biography
Sensor（5）Surface；Air compressor（13）Source of the gas after overcompression, three road gases are separated respectively to cylinder by threeway
（8）And aerostatic bearing（4）Supply, to cylinder（8）Pressure gauge is installed on the branch road of supply（12）, pressure-regulating valve（10）
To control cylinder（8）Motion, to aerostatic bearing（4）Pressure gauge is housed on the branch road of supply（12）, pressure-regulating valve
（10）And flowmeter（11）, to detect air pressure and gas flow.
2. the device according to claim 1 based on gas density in gas flow measurement air film, it is characterised in that：It is described
Support（9）Parallel to marble platform（3）, so that cylinder（8）Perpendicular to marble platform（3）Placement.
3. the device according to claim 1 or 2 based on gas density in gas flow measurement air film, it is characterised in that：
The flowmeter（11）Positioned at pressure-regulating valve（10）And aerostatic bearing（4）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720044363.4U CN206514900U (en) | 2017-01-16 | 2017-01-16 | A kind of device based on gas density in gas flow measurement air film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720044363.4U CN206514900U (en) | 2017-01-16 | 2017-01-16 | A kind of device based on gas density in gas flow measurement air film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206514900U true CN206514900U (en) | 2017-09-22 |
Family
ID=59865640
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720044363.4U Expired - Fee Related CN206514900U (en) | 2017-01-16 | 2017-01-16 | A kind of device based on gas density in gas flow measurement air film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206514900U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941279A (en) * | 2017-12-06 | 2018-04-20 | 合肥工业大学 | For measuring the measuring device of air film various parameters in air-flotation system |
| CN110296839A (en) * | 2019-08-13 | 2019-10-01 | 中国工程物理研究院机械制造工艺研究所 | Gas film pressure test device and test method for gas bearing |
-
2017
- 2017-01-16 CN CN201720044363.4U patent/CN206514900U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941279A (en) * | 2017-12-06 | 2018-04-20 | 合肥工业大学 | For measuring the measuring device of air film various parameters in air-flotation system |
| CN110296839A (en) * | 2019-08-13 | 2019-10-01 | 中国工程物理研究院机械制造工艺研究所 | Gas film pressure test device and test method for gas bearing |
| CN110296839B (en) * | 2019-08-13 | 2024-02-06 | 中国工程物理研究院机械制造工艺研究所 | Air film pressure testing device and testing method for gas bearing |
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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: 20170922 Termination date: 20190116 |