CN104819751A - Device for testing compressed air flow - Google Patents
Device for testing compressed air flow Download PDFInfo
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- CN104819751A CN104819751A CN201510151844.0A CN201510151844A CN104819751A CN 104819751 A CN104819751 A CN 104819751A CN 201510151844 A CN201510151844 A CN 201510151844A CN 104819751 A CN104819751 A CN 104819751A
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- flow
- compressed air
- flowmeter
- large capacity
- meter
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Abstract
The invention relates to a device for testing a compressed air flow, and the device comprises a flow routing instrument, a big flow meter, and a small flow meter. The big and small flow meters are respectively disposed on a pipe, and are respectively connected with the flow routing instrument. When the flow of the pipe is greater than a preset flow, the flow routing instrument reads the data of the big flow meter. When the flow of the pipe is less than the preset flow, the flow routing instrument reads the data of the small flow meter. The flow routing instrument displays the read instantaneous flow and accumulated flow in real time. Compared with the prior art, the device is more accurate in measurement, and is higher in reliability.
Description
Technical field
The present invention relates to a kind of flow testing device, especially relate to a kind of compressed air require proving installation.
Background technology
Compressed-air actuated flow measurement installs flowmeter to realize by the pipeline that flows through at pressurized air, generally on a road pipeline, a flowmeter is installed, cannot the accuracy of this flowmeter of Real-Time Monitoring, and all there is respective shortcoming in the air flowmeter used at present, as linearly bad when different flow of calorimetric flowmeter, vortex shedding flow meter cannot measure low discharge or Small flowrate measurement is inaccurate.
Summary of the invention
Object of the present invention be exactly provide a kind of to overcome defect that above-mentioned prior art exists and measure more accurately, compressed air require proving installation that reliability is higher.
Object of the present invention can be achieved through the following technical solutions: a kind of compressed air require proving installation, it is characterized in that, comprise intelligent flow calculator, large capacity meter and small flowmeter, described large capacity meter and small flowmeter are arranged on pipeline respectively, and are connected with intelligent flow calculator respectively;
When the flow on pipeline is greater than setting flow, described intelligent flow calculator reads the data of large capacity meter, when the flow on pipeline is less than setting flow, described intelligent flow calculator reads the data of small flowmeter, and described intelligent flow calculator shows the instantaneous delivery of reading and cumulative flow in real time.
Described large capacity meter is vortex shedding flow meter.
Described small flowmeter is thermal flowmeter.
Described large capacity meter is connected with intelligent flow calculator respectively by respective signal wire with small flowmeter.
Also comprise the supply module be connected with large capacity meter and small flowmeter respectively.
Compared with prior art, the present invention has the following advantages:
1) it is more accurate to measure, and the flowmeter that installation two is dissimilar on same pipeline, can contrast the measurement data of two flowmeters, if a certain flow meter data is inaccurate, and can Timeliness coverage.
2) reliability is higher, overcome the shortcoming that flowmeter exists separately, give full play to respective advantage, select vortex shedding flow meter to measure when large discharge, when low discharge, selected amount thermal flowmeter is measured, make compressed-air actuated flow measurement more accurate, more rationally can analyze efficiency objectively, the working condition etc. of compressibility.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein 1, compressed air inlet pipe road, 2, large capacity meter, 3, small flowmeter, 4, pressurized air outlet pipe, the 5, first signal wire, 6, secondary signal line, 7, intelligent flow calculator.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, a kind of compressed air require proving installation, comprises intelligent flow calculator 7, large capacity meter 2 and small flowmeter 3, and described large capacity meter 2 and small flowmeter 3 are arranged on compressed air piping respectively, and are connected with intelligent flow calculator 7 respectively;
When the flow on pipeline is greater than setting flow, described intelligent flow calculator 7 reads the data of large capacity meter 2, when the flow on pipeline is less than setting flow, described intelligent flow calculator 7 reads the data of small flowmeter 3, the instantaneous delivery that the display in real time of described intelligent flow calculator 7 is read and cumulative flow.
Described large capacity meter 2 is vortex shedding flow meter.Described small flowmeter 3 is thermal flowmeter.Described large capacity meter 2 is connected with intelligent flow calculator respectively by respective signal wire with small flowmeter 3.
Vortex shedding flow meter measuring flow is more accurate, and precision is higher, but cannot measure low discharge.Thermal flowmeter is comparatively large at the larger time error of flow, but can Measurement accuracy low discharge.So two flowmeters are linked into intelligent flow calculator simultaneously, the data of read volume thermal flowmeter when low discharge, read the data of vortex shedding flow meter when large discharge, and can accomplish that the data read respectively are constantly accumulated in same data, add the accuracy that compressed air require is measured.
Claims (5)
1. a compressed air require proving installation, is characterized in that, comprises intelligent flow calculator, large capacity meter and small flowmeter, and described large capacity meter and small flowmeter are arranged on pipeline respectively, and are connected with intelligent flow calculator respectively;
When the flow on pipeline is greater than setting flow, described intelligent flow calculator reads the data of large capacity meter, when the flow on pipeline is less than setting flow, described intelligent flow calculator reads the data of small flowmeter, and described intelligent flow calculator shows the instantaneous delivery of reading and cumulative flow in real time.
2. a kind of compressed air require proving installation according to claim 1, is characterized in that, described large capacity meter is vortex shedding flow meter.
3. a kind of compressed air require proving installation according to claim 1, is characterized in that, described small flowmeter is thermal flowmeter.
4. a kind of compressed air require proving installation according to claim 1, it is characterized in that, described large capacity meter is connected with intelligent flow calculator respectively by respective signal wire with small flowmeter.
5. a kind of compressed air require proving installation according to claim 1, is characterized in that, also comprises the supply module be connected with large capacity meter and small flowmeter respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151844.0A CN104819751A (en) | 2015-04-01 | 2015-04-01 | Device for testing compressed air flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151844.0A CN104819751A (en) | 2015-04-01 | 2015-04-01 | Device for testing compressed air flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104819751A true CN104819751A (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510151844.0A Pending CN104819751A (en) | 2015-04-01 | 2015-04-01 | Device for testing compressed air flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104819751A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282417A (en) * | 1997-12-15 | 2001-01-31 | 东京瓦斯株式会社 | Flowmeter |
| CN101339063A (en) * | 2007-07-06 | 2009-01-07 | 株式会社山武 | Flow sensor |
| CN101467009A (en) * | 2006-06-13 | 2009-06-24 | 株式会社奥巴尔 | Multi-vortex flowmeter employing volume flow rate as switching point |
| CN101493347A (en) * | 2008-01-24 | 2009-07-29 | 株式会社山武 | Gas meter |
| CN204575156U (en) * | 2015-04-01 | 2015-08-19 | 宁波杭州湾新区祥源动力供应有限公司 | Compressed air require proving installation |
-
2015
- 2015-04-01 CN CN201510151844.0A patent/CN104819751A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282417A (en) * | 1997-12-15 | 2001-01-31 | 东京瓦斯株式会社 | Flowmeter |
| CN101467009A (en) * | 2006-06-13 | 2009-06-24 | 株式会社奥巴尔 | Multi-vortex flowmeter employing volume flow rate as switching point |
| CN101339063A (en) * | 2007-07-06 | 2009-01-07 | 株式会社山武 | Flow sensor |
| CN101493347A (en) * | 2008-01-24 | 2009-07-29 | 株式会社山武 | Gas meter |
| CN204575156U (en) * | 2015-04-01 | 2015-08-19 | 宁波杭州湾新区祥源动力供应有限公司 | Compressed air require proving installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150805 |