CN103791959A - Coriolis mass flow meter - Google Patents
Coriolis mass flow meter Download PDFInfo
- Publication number
- CN103791959A CN103791959A CN201210426301.1A CN201210426301A CN103791959A CN 103791959 A CN103791959 A CN 103791959A CN 201210426301 A CN201210426301 A CN 201210426301A CN 103791959 A CN103791959 A CN 103791959A
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- coriolis mass
- liquid
- mass flowmeters
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- shell
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Abstract
The invention provides a Coriolis mass flow meter. The Coriolis mass flow meter comprises a housing and a flow meter main body; a sealed chamber is formed between the housing and the flow meter main body; the chamber is filled with the liquid.
Description
Technical field
The present invention relates to commercial measurement field, particularly, relate to a kind of equipment of measuring fluid mass.More specifically, the present invention relates to a kind of coriolis mass flowmeters.
Background technology
Coriolis mass flowmeters is the equipment of measuring the quality of fluid mobile in vibrating tube based on Coriolis effect.Measure accurately because coriolis mass flowmeters has, can be applicable to the advantages such as various media, therefore obtained application more and more widely.
Particularly, in the time that fluid flows in vibrating tube, can the tube wall of vibrating tube be produced and is directly proportional to the mass rate of fluid and the Coriolis force vertical with flow direction, based on the mass rate that can obtain fluid to this force measurement.
Summary of the invention
In order further to improve the performance of coriolis mass flowmeters, according to one embodiment of present invention, provide a kind of coriolis mass flowmeters.It comprises shell and flowmeter main body, forms the cavity of sealing between shell and flowmeter main body.In cavity, be filled with liquid.
According to the application aspect, at least service part in flowmeter main body immerses in liquid.
According to the application aspect, flowmeter main body comprises the vibrating tube flowing through for measured fluid, is fixed, and immerses in liquid with respect to shell.
According to the application embodiment, this liquid is fire-retardant and/or insulation and/or corrosion liquid.
According to the application aspect, this liquid is hydraulic oil or water.
According to the application embodiment, liquid is fluid under pressure.
By the detailed description of the embodiment to the application below in conjunction with accompanying drawing, above-mentioned and other advantages of the application will be more obvious.
Accompanying drawing explanation
In order further to set forth the application's above and other advantage and feature, below in conjunction with accompanying drawing, the application's embodiment is described in further detail.Described accompanying drawing comprises in this manual and forms the part of this instructions together with detailed description below.Wherein, in institute's drawings attached, used same or analogous Reference numeral to represent identical or similar parts.Should be appreciated that these accompanying drawings only describe the application's typical case, and should not regard the restriction of the scope to the application as.In the accompanying drawings:
Fig. 1 shows the schematic diagram of the structure of coriolis mass flowmeters according to an embodiment of the invention;
Fig. 2 shows according to the structural drawing of the exemplary coriolis mass flowmeters of the application embodiment; And
Fig. 3 shows the overview after the coriolis mass flowmeters assembling of Fig. 2.
Embodiment
In connection with accompanying drawing, the application's exemplary embodiment is described hereinafter.For fear of the details because of unnecessary fuzzy invention main points, only illustrate in the accompanying drawings and the closely-related structure of scheme of the invention and parts, and omitted other little details of relation.For the object of element in simple and clear presentation graphs, in figure, element might not be drawn in proportion.
For convenience of explanation, described exemplary embodiment is twin elbow type coriolis mass flowmeters.But it should be understood that embodiment as described herein is just for explanation, and do not form the restriction to the application.The application's scope is only limited by claims and equivalents thereof.The applied coriolis mass flowmeters of the application is not limited to the type specifically, can also be used for linear tube Coriolis mass flowmeter or single-tube coriolis mass flowmeters etc.
First describe according to the structure of the coriolis mass flowmeters of the application's embodiment with reference to Fig. 1.Should be appreciated that this structured flowchart is only schematically, size, the shape etc. of all parts be not determine according to physical device do not reflect actual proportionate relationship yet.
As shown in Figure 1, coriolis mass flowmeters 100 comprises shell 101 and flowmeter main body 102, forms the cavity 103 of sealing between shell 101 and flowmeter main body 102, wherein, in cavity 103, is filled with liquid.
In Fig. 1, flowmeter main body 102 is included in shell 101 and is fixed to shell 101.When fluid is during in 102 internal flow of flowmeter main body, because detected fluid exists pressure, fluid can produce pressure to the inwall of the relevant portion in flowmeter main body 102.Now, this pressure will put on the liquid that the outer wall with flowmeter main body 102 that is filled in cavity 103 contacts indirectly, and due to the characteristic that liquid is difficult to compression, this power conducts to shell 101.Therefore, shell 101 can be played a supporting role, and has been equivalent to offset at least in part the pressure on inwall.
In other words, in cavity 103, the existence of liquid makes shell 101 play the effect of the bearing capacity of increasing runoff meter main body 102.
And in coriolis mass flowmeters in the prior art, equal blanketing gas in cavity 103, such as air or various inert gas.But gas is easily compressed, make shell 101 can not play the effect of the bearing capacity of above-mentioned increasing runoff meter main body 102.
Therefore, compared with the coriolis mass flowmeters of filling with traditional gas, the main part of this coriolis mass flowmeters 100 has stronger bearing capacity, can be by the medium to be measured of large mass more, thus expand range.
In addition, because liquid is macroscopic, therefore, operating personnel are easy to observe and control liquid and whether fill up cavity 103, are convenient to the manufacture of product.
In addition; although not shown in Fig. 1; but coriolis mass flowmeters 100 also comprises various service parts conventionally; involving vibrations pipe and various electronic unit; such as, for generation, detection, processing and the output etc. of measuring-signal, the lead-in wire between drive coil, magnetic test coil, processing unit and each several part etc.In the application's a embodiment, at least service part in flowmeter main body 102 immerses in liquid.
In reality, coriolis mass flowmeters is usually applied in the flow measurement such as oil, chemical products, and in other words, its applied environment and measuring object are usually dangerous, such as inflammable, explosive, there is corrosivity etc.And in some cases, above-mentioned electronic unit may produce electric spark or produce high temperature, this may cause less desirable accident.
According to the coriolis mass flowmeters 100 of the application's embodiment, electronic unit is immersed in liquid, thereby completely cut off contacting of electronic unit and dangerous substance, promoted the security performance of equipment.Meanwhile, can also prevent better that corrosion is to protect inner components and parts, thus the serviceable life of extension device.
A kind of structure of exemplary coriolis mass flowmeters is described below with reference to Fig. 2.As shown in Figure 2, this coriolis mass flowmeters is bent tube type, comprises shell 201 and the flowmeter main part that comprises vibrating tube 202, shunt 203 and bracing or strutting arrangement 204.Wherein, measured fluid flows through vibrating tube 202, and this flowmeter main body is fixed with respect to shell 201.Here, the common formation cavity of shell 201 and bracing or strutting arrangement 204, therefore bracing or strutting arrangement 204 can be thought a part for shell 201.In other embodiment, shell 201 and bracing or strutting arrangement 204 can be completed into the form of shell, and vibrating tube 202, shunt 203 etc. is directly fixed on shell.In addition, shunt 203 is in order from measured, measured fluid to be introduced to different vibrating tube 202(the example of Fig. 2, is two vibrating tube).The in the situation that of single tube, do not need shunt.
The fixing mode of main part and shell (bracing or strutting arrangement) for example can adopt welding, still, is not limited to this, but can adopt the suitable mode that can form arbitrarily airtight cavity to carry out.
Coriolis mass flowmeters after assembling as shown in Figure 3, wherein, forms airtight cavity 103, filling liquid material in this cavity 103 between vibrating tube 202 outer walls and the inwall of monolithic case.Can transmission of pressure and be difficult for compressedly due to liquid, so can improve the bearing capacity of vibrating tube 202, expand the measurement range of flowmeter.For illustrative purposes, a part that shell in figure is cut, to see inner structure.
Although more than adopted bent tube type Coriolis mass flow meter as example, the application to be described, but should note, the application is not limited to this, but can adopt various types of coriolis mass flowmeters to realize, such as adopting straight pipe type, single-tube or double-tube type coriolis mass flowmeters etc.
According to the application embodiment, the liquid of filling in cavity 103 can be anti-flaming liquid, iknsulating liquid or corrosion liquid, or possesses the liquid of at least one in aforementioned properties simultaneously.According to the application aspect, this liquid is hydraulic oil.Or this liquid is water, such as pure water.In addition,, according to the needs of practical application, this liquid can also be fluid under pressure, to promote better the bearing capacity of vibrating tube.
Finally, also it should be noted that, unless context is clearly pointed out as other situation, otherwise in whole instructionss and claim, should, with the meaning of containing property, that is to say, with " including, but not limited to " meaning, explain that word " comprises ", " comprising " etc.In addition, the word of word " here ", " above ", " below " and similar meaning should refer to entirety herein, rather than refers to any specific part.In the situation that context allows, use the word of odd number or plural number also may comprise respectively plural number or odd number.About the word of enumerating of two or more projects " or " cover following all explanations to this word: any one in the project in list; All items in list; And the combination in any of project in list.
In addition, term "or" is intended to represent the "or" of inclusive rather than the "or" of exclusiveness.That is, clearly illustrate that unless otherwise or based on context, otherwise phrase " X use A or B " is intended to represent displacement any of comprising property of nature., phrase " X use A or B " is met by any of situation below: X uses A; X uses B; Or X uses A and B.In addition, the article " " using in the application and appended claim is generally interpreted as representing " one or more ", unless otherwise from the clear singulative that relates to of context.
Describe the application although above with reference to specific embodiment, should be appreciated that described embodiment is only illustrative rather than determinate.For a person skilled in the art, in the case of the essence and scope that do not deviate from the application, can carry out various modifications and change.The application's scope is only limited by appended claim and equivalents thereof.
Claims (6)
1. a coriolis mass flowmeters, comprises shell and flowmeter main body, forms the cavity of sealing between described shell and described flowmeter main body, it is characterized in that:
In described cavity, be filled with liquid.
2. coriolis mass flowmeters according to claim 1, wherein, at least service part in described flowmeter main body immerses in described liquid.
3. coriolis mass flowmeters according to claim 1 and 2, described flowmeter main body comprises the vibrating tube flowing through for measured fluid, is fixed, and immerses in described liquid with respect to described shell.
4. coriolis mass flowmeters according to claim 1 and 2, wherein, described liquid is fire-retardant and/or insulation and/or corrosion liquid.
5. coriolis mass flowmeters according to claim 1 and 2, wherein, described liquid is hydraulic oil or water.
6. coriolis mass flowmeters according to claim 1 and 2, wherein, described liquid is fluid under pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426301.1A CN103791959A (en) | 2012-10-31 | 2012-10-31 | Coriolis mass flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426301.1A CN103791959A (en) | 2012-10-31 | 2012-10-31 | Coriolis mass flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103791959A true CN103791959A (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210426301.1A Pending CN103791959A (en) | 2012-10-31 | 2012-10-31 | Coriolis mass flow meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN103791959A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106687776A (en) * | 2014-09-25 | 2017-05-17 | 高准公司 | Flowmeter housing and related methods |
| CN110274653A (en) * | 2018-03-13 | 2019-09-24 | 高准有限公司 | Supporting member and flowmeter for flowmeter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048099A (en) * | 1989-06-16 | 1990-12-26 | 天津市自动化仪表十厂 | Coriolis-type mass flowmeter having separate parallel tubes |
| CN2070436U (en) * | 1989-06-16 | 1991-01-30 | 天津市自动化仪表十厂 | Thin wall straight tube coriolis mass flowmeter |
| CN1335934A (en) * | 1999-10-29 | 2002-02-13 | 微动公司 | Coriolis flowmeter for large mass flows with reduced dimensions |
| DE102006044592A1 (en) * | 2006-09-19 | 2008-03-27 | Endress + Hauser Flowtec Ag | Method for determining the mass flow rate of a Coriolis mass flowmeter arranged on a rotary filler |
| CN101360976A (en) * | 2005-11-15 | 2009-02-04 | 恩德斯+豪斯流量技术股份有限公司 | Vibration-type measuring transducer |
| CN202974358U (en) * | 2012-10-31 | 2013-06-05 | 艾默生过程控制流量技术有限公司 | Coriolis mass flowmeter |
-
2012
- 2012-10-31 CN CN201210426301.1A patent/CN103791959A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048099A (en) * | 1989-06-16 | 1990-12-26 | 天津市自动化仪表十厂 | Coriolis-type mass flowmeter having separate parallel tubes |
| CN2070436U (en) * | 1989-06-16 | 1991-01-30 | 天津市自动化仪表十厂 | Thin wall straight tube coriolis mass flowmeter |
| CN1335934A (en) * | 1999-10-29 | 2002-02-13 | 微动公司 | Coriolis flowmeter for large mass flows with reduced dimensions |
| CN101360976A (en) * | 2005-11-15 | 2009-02-04 | 恩德斯+豪斯流量技术股份有限公司 | Vibration-type measuring transducer |
| DE102006044592A1 (en) * | 2006-09-19 | 2008-03-27 | Endress + Hauser Flowtec Ag | Method for determining the mass flow rate of a Coriolis mass flowmeter arranged on a rotary filler |
| CN202974358U (en) * | 2012-10-31 | 2013-06-05 | 艾默生过程控制流量技术有限公司 | Coriolis mass flowmeter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106687776A (en) * | 2014-09-25 | 2017-05-17 | 高准公司 | Flowmeter housing and related methods |
| CN110274653A (en) * | 2018-03-13 | 2019-09-24 | 高准有限公司 | Supporting member and flowmeter for flowmeter |
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Application publication date: 20140514 |
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