CN2639858Y - Device capable of expanding metering range of flow meter - Google Patents
Device capable of expanding metering range of flow meter Download PDFInfo
- Publication number
- CN2639858Y CN2639858Y CN 03262628 CN03262628U CN2639858Y CN 2639858 Y CN2639858 Y CN 2639858Y CN 03262628 CN03262628 CN 03262628 CN 03262628 U CN03262628 U CN 03262628U CN 2639858 Y CN2639858 Y CN 2639858Y
- Authority
- CN
- China
- Prior art keywords
- small
- flow
- control valve
- flowmeter
- main line
- 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 device, by which the measuring range of a flow meter can be enlarged. A small flow metering device, which comprises an inlet branch pipe, a small flow meter, a small flow control valve with a detection director and an outlet branch pipe, is connected in parallel between an inlet main pipe and an outlet main pipe of an existing flow meter product. The small flow meter and the small flow control valve are orderly connected in series between the inlet branch pipe and the outlet branch pipe. An input control line of the detection director on the small flow control valve is connected with an output control line of the detection director on the flow control valve. When in work, the flow signals of the two flow meters on the small and big flow meters are detected by the detection director, so that the switching of the big flow and the small flow control valves is controlled. Therefore, the big flow meter measurement is used when the fluid is in large discharge, and the small is used when the fluid flow is small. Therefore, the measuring range of the former flow meter is enlarged, and the measuring accuracy is promoted.
Description
Affiliated technical field
The utility model belongs to fluid flow metering and control technology field, relates to a kind of device that can be used for the metering of industrial fluids flow.
Background technology
The existing flow measurement device that is used for meter fluid flow mainly is made up of the flowrate control valve of fluid input main line, flowmeter, band flow detection controller and fluid output main line etc., and flowmeter and flowrate control valve are serially connected with between input main line and the output main line successively.This class flow measurement device generally all exists certain measures range, because there is the situation of peak and low ebb in flow during actual the use, its flow range will surpass the usable range of existing flowmeter unavoidably, so users mostly wish to have a kind of flow measurement device that is widely used in various industrial fluids meterings and can automaticallyes switch according to the flow size.
The utility model content
The purpose of this utility model is the problem that prior art exists is solved, and then the device of a kind of project organization enlarged flowmeter measures range simple, easy for operation is provided.
In order to realize the foregoing invention purpose, the utility model deviser has structurally made corresponding improvement to prior art products, its solution is such: tipping in parallel has one by the inlet branch road between input main line that has flowmeter product (calling large capacity meter amount device in the following text) now and output main line, small flowmeter, the flow metering detection branches device (low discharge metering device) that the control valve for small flows of band flow detection controller and output bye-pass are formed, wherein small flowmeter and control valve for small flows are serially connected with between inlet branch road and the output bye-pass successively, and the output control line that detects controller on the control valve for small flows on the input control line of detection controller and the flowrate control valve links.In this device course of work, detect the flow signal of two flowmeters on the large and small flow measurement device by the flow detection controller, and then control the switching of big flowrate control valve and control valve for small flows.When the flow of fluid was measured the setting value of the upper limit greater than small flowmeter, the flow detection controller was controlled big flowrate control valve and is opened, and closes control valve for small flows simultaneously; When the flow of fluid during less than the setting value of former flowmeter survey lower limit, flow detection controller control control valve for small flows is opened, close former flowrate control valve simultaneously, so can make the user can when the big flow of fluid, use the large capacity meter metering, use the small flowmeter metering during low discharge, and can automatically switch, enlarged the measures range of original flowmeter according to the flow size, improve measuring accuracy, enabled to be widely used in the metering of various industrial fluids.
Description of drawings
Accompanying drawing is the structural representation of a specific embodiment of the utility model.
Embodiment
Referring to accompanying drawing, the utility model comprises parallel large capacity meter amount device and the low discharge metering device two parts that are provided with of installing, wherein large capacity meter amount device is made up of the flowrate control valve 4 and the fluid output main line 5 of input main line 1, flowmeter 2, band flow detection controller 3, and low discharge metering device is made up of the control valve for small flows 7 and the output bye-pass 6 of inlet branch road 9, small flowmeter 8, band flow detection controller.On the pipeline jointing construction, input main line 1 links to each other with flowmeter 2, and flowrate control valve 4 connects with flowmeter 2, and flowrate control valve 4 links with output main line 5; Input main line 1 connects inlet branch road 9, and inlet branch road 9 links with small flowmeter 8, and small flowmeter 8 links with control valve for small flows 7, and control valve for small flows 7 links with output bye-pass 6, and output bye-pass 6 links with output main line 5.The output control line that detects controller 3 on the control valve for small flows on the input control line of detection controller and the flowrate control valve 4 links.
Claims (1)
- A kind of device that enlarges the flowmeter measures range, comprise fluid input main line (1), flowmeter (2), the flowrate control valve (4) of band flow detection controller (3) and fluid output main line (5), flowmeter (2) and flowrate control valve (4) are serially connected with between input main line (1) the output main line (4) successively, it is characterized in that tipping in parallel has one by inlet branch road (9) between input main line (1) and output main line (4), small flowmeter (8), the low discharge metering device that the control valve for small flows (7) of band flow detection controller and output bye-pass (6) are formed, wherein small flowmeter (8) and control valve for small flows (7) are serially connected with between inlet branch road (9) and the output bye-pass (6) successively, and the input control line and the last output control line that detects controller (3) of flowrate control valve (4) that detect controller on the control valve for small flows link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03262628 CN2639858Y (en) | 2003-08-15 | 2003-08-15 | Device capable of expanding metering range of flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03262628 CN2639858Y (en) | 2003-08-15 | 2003-08-15 | Device capable of expanding metering range of flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2639858Y true CN2639858Y (en) | 2004-09-08 |
Family
ID=34296915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03262628 Expired - Fee Related CN2639858Y (en) | 2003-08-15 | 2003-08-15 | Device capable of expanding metering range of flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2639858Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615435A (en) * | 2013-11-29 | 2014-03-05 | 常德中联重科液压有限公司 | Hydraulic oil flow testing device |
| CN103791960A (en) * | 2013-12-20 | 2014-05-14 | 内蒙古神舟硅业有限责任公司 | Method for accurate flow measurement of reduction furnace |
| CN105737911A (en) * | 2016-02-02 | 2016-07-06 | 新疆中元天能油气科技股份有限公司 | Gas-liquid two-phase flow meter |
| CN111928119A (en) * | 2020-08-06 | 2020-11-13 | 欧科能源技术(天津)有限公司 | Mine gas safety mixing system and gas mixing ratio control method |
| US10863667B2 (en) | 2015-09-28 | 2020-12-15 | Precision Planting Llc | Systems and devices for controlling and monitoring liquid applications of agricultural fields |
| JP7096930B1 (en) | 2021-05-06 | 2022-07-06 | 三菱重工サーマルシステムズ株式会社 | Geothermal heat utilization system, control device, control method, program |
-
2003
- 2003-08-15 CN CN 03262628 patent/CN2639858Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615435A (en) * | 2013-11-29 | 2014-03-05 | 常德中联重科液压有限公司 | Hydraulic oil flow testing device |
| CN103615435B (en) * | 2013-11-29 | 2015-09-30 | 常德中联重科液压有限公司 | Hydraulic fluid flow rate testing apparatus |
| CN103791960A (en) * | 2013-12-20 | 2014-05-14 | 内蒙古神舟硅业有限责任公司 | Method for accurate flow measurement of reduction furnace |
| CN103791960B (en) * | 2013-12-20 | 2017-04-05 | 内蒙古神舟硅业有限责任公司 | A kind of method of reduction furnace flow accurate measurement |
| US10863667B2 (en) | 2015-09-28 | 2020-12-15 | Precision Planting Llc | Systems and devices for controlling and monitoring liquid applications of agricultural fields |
| US11337366B2 (en) | 2015-09-28 | 2022-05-24 | Precision Planting Llc | Systems and devices for controlling and monitoring liquid applications of agricultural fields |
| US11350562B2 (en) | 2015-09-28 | 2022-06-07 | Precision Planting Llc | Systems and devices for controlling and monitoring liquid applications of agricultural fields |
| CN105737911A (en) * | 2016-02-02 | 2016-07-06 | 新疆中元天能油气科技股份有限公司 | Gas-liquid two-phase flow meter |
| CN111928119A (en) * | 2020-08-06 | 2020-11-13 | 欧科能源技术(天津)有限公司 | Mine gas safety mixing system and gas mixing ratio control method |
| JP7096930B1 (en) | 2021-05-06 | 2022-07-06 | 三菱重工サーマルシステムズ株式会社 | Geothermal heat utilization system, control device, control method, program |
| WO2022234703A1 (en) * | 2021-05-06 | 2022-11-10 | 三菱重工サーマルシステムズ株式会社 | Geothermal heat utilization system, control device, control method, program |
| JP2022172641A (en) * | 2021-05-06 | 2022-11-17 | 三菱重工サーマルシステムズ株式会社 | Underground heat utilization system, control device, control method, and program |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |