CN204461518U - A kind of heating type turbine integral type flowmeter - Google Patents
A kind of heating type turbine integral type flowmeter Download PDFInfo
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- CN204461518U CN204461518U CN201420757631.3U CN201420757631U CN204461518U CN 204461518 U CN204461518 U CN 204461518U CN 201420757631 U CN201420757631 U CN 201420757631U CN 204461518 U CN204461518 U CN 204461518U
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- flow meter
- flowmeter
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- gauge outfit
- thermal flowmeter
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Abstract
The utility model discloses a kind of heating type turbine integral type flowmeter, comprise flow meter tube, be installed with a turbo flow meter and a thermal flowmeter in this body respectively, and the signal output part of turbo flow meter and thermal flowmeter is all connected with the electronics gauge outfit for the treatment of, display measurement value.Turbo flow meter and thermal flowmeter carry out integrated by integral type flowmeter of the present utility model, according to the measured value of different measurement demands by same electronics gauge outfit display respective streams gauge, thus achieve and utilize thermal flowmeter to measure within the scope of low discharge, within the scope of high flow, then utilize turbo flow meter to measure, make can both reach higher measuring accuracy when different flow, meet actual measurement demand.
Description
Technical field
The utility model relates to a kind of heating type turbine integral type flowmeter.
Background technology
Thermal flowmeter is very high for the measurement sensistivity of low discharge, but relative to other types flowmeter its measuring accuracy slightly poor; And the measurement capability of turbo flow meter on low discharge is very poor, even cannot measure lower flow, but its measuring accuracy is higher than thermal flowmeter.
General fluid pipeline is also different at the flow of the fluid do not passed through in the same time, sometimes flow is comparatively large sometimes less, adopt turbo flow meter precision comparatively suitable when measuring large discharge and at low discharge time select its measured value of thermal flowmeter comparatively accurate, if reach higher measuring accuracy, so just need to arrange two kinds of flowmeters in the duct, adopt measured value more accurately according to traffic conditions.This metering system is comparatively complicated, and cost is also high, therefore, is necessary to provide a kind of heating type turbine integral type flowmeter to meet practical measurement requirement.
Utility model content
The purpose of this utility model is to provide a kind of heating type turbine integral type flowmeter, to realize utilizing thermal flowmeter to measure within the scope of low discharge, then utilizes turbo flow meter to measure within the scope of high flow.
In order to realize above object, the technical scheme that the utility model adopts is: a kind of heating type turbine integral type flowmeter, comprise flow meter tube, be installed with a turbo flow meter and a thermal flowmeter in this body respectively, and the signal output part of turbo flow meter and thermal flowmeter is all connected with the electronics gauge outfit for the treatment of, display measurement value.
Described electronics gauge outfit is fixed on flow meter tube by rotating mechanism.
Described electronics gauge outfit be used for the output display thermal flowmeter when the measuring flow of two kinds of flowmeters is all less than the first display setting value measured value, for the measured value of the output display turbo flow meter when the measuring flow of two kinds of flowmeters is all greater than the second display setting value, to be less than the second display setting value for the measurement result being greater than the first display setting value and turbo flow meter in the measurement result of thermal flowmeter time output display two kinds of flowmeter measurements mean value.
Described electronics gauge outfit comprises the signal processing unit for processing the measuring-signal of turbo flow meter and thermal flowmeter, the display unit for display measurement value, and described signal processing unit is all connected with controller with display unit.
Described electronics gauge outfit also comprises the electric power management circuit for powering for signal processing unit, display unit and controller.
Turbo flow meter and thermal flowmeter carry out integrated by integral type flowmeter of the present utility model, share same electronics gauge outfit, shown the measured value of corresponding flowmeter by electronics gauge outfit according to different measurement demands, thus achieve and utilize thermal flowmeter to measure within the scope of low discharge, within the scope of high flow, then utilize turbo flow meter to measure, make can both reach higher measuring accuracy when different flow, meet actual measurement demand.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the utility model heating type turbine integral type flowmeter.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
Be illustrated in figure 1 the structure principle chart of the utility model heating type turbine integral type flowmeter, as seen from the figure, comprise flow meter tube 3, be installed with a turbo flow meter 1 and a thermal flowmeter 2 in this body respectively, and the signal output part of turbo flow meter and thermal flowmeter is all connected with the electronics gauge outfit 4 for the treatment of, display measurement value.
The electronics gauge outfit of the present embodiment is fixed on flow meter tube by rotating mechanism 5, this electronics gauge outfit inside is provided with the various electronic units required for heating type turbine integral type flowmeter, specifically comprise the signal processing unit for processing the measuring-signal of turbo flow meter and thermal flowmeter, display unit for display measurement value, signal processing unit is all connected with controller with display unit, for completing various setting and the operation of instrument.Signal processing unit, display unit and controller all supply to be electrically connected with electric power management circuit.
In addition, this electronics gauge outfit is for the measured value of the output display thermal flowmeter when the measuring flow of two kinds of flowmeters is all less than the first display setting value, for the measured value of the output display turbo flow meter when the measuring flow of two kinds of flowmeters is all greater than the second display setting value, for being greater than the first display setting value k in the measurement result of thermal flowmeter
1q
minand the mean value of the measurement result of turbo flow meter output display two kinds of flowmeter measurements when being less than the second display setting value.
Principle of work of the present utility model and process as follows: assuming that the flow measurement lower limit of turbine flow is Q
min, when the measuring flow of two kinds of flowmeters is all less than k
1q
mintime (i.e. the first display setting value), the Output rusults of flowmeter is the measurement result of thermal flowmeter; When the measuring flow of two kinds of flowmeters is all greater than k
2q
mintime (i.e. the second display setting value), then export the measurement result of turbo flow meter; When the measurement result of thermal flowmeter is greater than k
1q
minand the measurement result of turbo flow meter is less than k
2q
mintime (measured value including thermal flowmeter is here greater than k slightly
2q
min, and the measured value of turbo flow meter is less than k slightly
2q
minsituation), then export the mean value of the measurement result of thermal flowmeter and turbo flow meter.
Wherein k
1, k
2represent the coefficient of upper and lower flow separation, arrange by instrument, k
1, k
2value be all greater than 1, and k
1<k
2, k
1, k
2arrange the upper limit to determine according to on-the-spot traffic conditions, the upper limit that arranges of recommendation is no more than 5.
Above embodiment only understands core concept of the present utility model for helping; the utility model can not be limited with this; for those skilled in the art; every according to thought of the present utility model; the utility model is modified or equivalent replacement; any change done in specific embodiments and applications, all should be included within protection domain of the present utility model.
Claims (4)
1. a heating type turbine integral type flowmeter, it is characterized in that: comprise flow meter tube, be installed with a turbo flow meter and a thermal flowmeter in this body respectively, and the signal output part of turbo flow meter and thermal flowmeter is all connected with the electronics gauge outfit for the treatment of, display measurement value; Described electronics gauge outfit is fixed on flow meter tube by rotating mechanism.
2. heating type turbine integral type flowmeter according to claim 1, is characterized in that: described electronics gauge outfit be used for the output display thermal flowmeter when the measuring flow of two kinds of flowmeters is all less than the first display setting value measured value, for the measured value of the output display turbo flow meter when the measuring flow of two kinds of flowmeters is all greater than the second display setting value, to be less than the second display setting value for the measurement result being greater than the first display setting value and turbo flow meter in the measurement result of thermal flowmeter time output display two kinds of flowmeter measurements mean value.
3. heating type turbine integral type flowmeter according to claim 1, it is characterized in that: described electronics gauge outfit comprises the signal processing unit for processing the measuring-signal of turbo flow meter and thermal flowmeter, the display unit for display measurement value, and described signal processing unit is all connected with controller with display unit.
4. heating type turbine integral type flowmeter according to claim 3, is characterized in that: described electronics gauge outfit also comprises the electric power management circuit for powering for signal processing unit, display unit and controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420757631.3U CN204461518U (en) | 2014-12-05 | 2014-12-05 | A kind of heating type turbine integral type flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420757631.3U CN204461518U (en) | 2014-12-05 | 2014-12-05 | A kind of heating type turbine integral type flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204461518U true CN204461518U (en) | 2015-07-08 |
Family
ID=53668389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420757631.3U Active CN204461518U (en) | 2014-12-05 | 2014-12-05 | A kind of heating type turbine integral type flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204461518U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655530A (en) * | 2017-02-22 | 2018-02-02 | 上海安钧电子科技有限公司 | Hot type V cone flow meters |
| CN107677332A (en) * | 2017-02-22 | 2018-02-09 | 上海安钧电子科技有限公司 | It is a kind of that the new method for expanding flow measurement range is balanced using hot type |
-
2014
- 2014-12-05 CN CN201420757631.3U patent/CN204461518U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655530A (en) * | 2017-02-22 | 2018-02-02 | 上海安钧电子科技有限公司 | Hot type V cone flow meters |
| CN107677332A (en) * | 2017-02-22 | 2018-02-09 | 上海安钧电子科技有限公司 | It is a kind of that the new method for expanding flow measurement range is balanced using hot type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: Power Polytron Technologies Inc Address before: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee before: Zhengzhou GL Tech Company |