CN203657867U - Fly wire wiring structure of Coriolis mass flow meter - Google Patents
Fly wire wiring structure of Coriolis mass flow meter Download PDFInfo
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- CN203657867U CN203657867U CN201420009078.5U CN201420009078U CN203657867U CN 203657867 U CN203657867 U CN 203657867U CN 201420009078 U CN201420009078 U CN 201420009078U CN 203657867 U CN203657867 U CN 203657867U
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- measuring tube
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- coriolis mass
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- 238000012360 testing method Methods 0.000 claims abstract description 31
- 238000009413 insulation Methods 0.000 claims description 24
- 238000010276 construction Methods 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract 2
- 239000003949 liquefied natural gas Substances 0.000 abstract 2
- 239000012530 fluid Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 papermaking Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a fly wire wiring structure of a Coriolis mass flow meter and belongs to the LNG (Liquefied Natural Gas) technical field. The Coriolis mass flow meter comprises double rows of measuring pipes which are located in a sensor portion; the double rows of measuring pipes are arranged in a housing; the middle of the housing is connected with a connecting sleeve; two ends of the double rows of measuring pipes are close to each other to form a triangle structure; the middle of the double rows of measuring pipes is provided with a driving coil; the positions of triangle corners of the double rows of measuring pipes are provided with detection coils; a lead of the driving coil and leads of the detection coils penetrate the connecting sleeve. According to the fly wire wiring structure of the Coriolis mass flow meter, the quality of a signal wire is not attached to a test pipe and accordingly the test accuracy is not affected, the falling-off is avoided, and the working stability of the Coriolis mass flow meter is improved.
Description
Technical field
The utility model relates to LNG mass flowmeter, particularly a kind of coriolis mass flowmeters.
Background technology
Coriolis mass flowmeters is a kind of novel instrument of directly and critically measuring fluid mass flow; adopt two measuring tubes side by side with main structure body; allow the bent back portion of two pipes divide in opposite directions vibration slightly; the straight tube of both sides can and then vibrate; be that they can be drawn close simultaneously or open simultaneously; the i.e. vibration of two pipes is synchronous, symmetrical.
If in pipe synchronous vibration, in fluid ingress pipe, make it along flowing forward in pipe, pipe will force fluid up-down vibration therewith.Fluid is in order to revolt this forced vibration, can be to reacting force vertical with its flow direction of pipe, under this effect that is called Coriolis effect power, the vibrations of pipe are asynchronous, there is difference in the time order and function chamber of commerce of vibration in entrance pipe and outlet section pipe, (difference is because entrance and outlet section direction of flow are contrary), it is poor that this is called phase time.This species diversity is directly proportional to the size of the fluid mass flow that flows through pipe.If can detect the size of this time difference by circuit, just the size of mass rate can be given and determined.This flowmeter is known as the direct mass flowmeter of Coriolis, it and the size that is not both at present in the world the quality that its surveys in the maximum of tens kinds of conventional volumeters of use, and the unit of use is kg/min.With the flowmeter of quality (as kilogram) office than accurate and constant with the volumeter of volume (as liter or cubic meter) office.Because being the Coriolis flowmeter of following law of conservation, quality there is accuracy, repeatability, stability, in fluid passage, be provided with choked flow element and movable member simultaneously, thereby its good reliability, long service life, can also measure the flow of high viscosity fluid and gases at high pressure.At industrial sectors such as oil, chemical industry, metallurgy, building materials, papermaking, medicine, food, bioengineering, the energy, space flight, its application is also more and more extensive.
Wherein, coriolis mass flowmeters belongs to LNG liquid filler metering outfit.Along with the high speed development of LNG technology, higher to the functional requirement of LNG liquid feeding equipment, therefore determined the constantly characteristic of consummating function of LNG liquid feeding equipment.The original wiring mode using of the inner cabling of LNG filling machine flowmeter.This winding displacement mode is with glue, enameled wire to be bonded on double measuring tube tube wall, and signal wire accesses transmitter circuit plate again along tube wall.Adopt this winding displacement mode can affect measuring accuracy and the stability of flowmeter: 1. flowmeter survey flow is to realize by measuring the suffered Coriolis force of double measuring tube, the winding displacement mode of wiring has appended to the quality of enameled wire on double measuring tube, the Coriolis force of measuring on double measuring tube so just has deviation, causes measurement data to have deviation; 2. signal wire sticks with glue on double measuring tube tube wall, and when use, glue has the possibility of coming off, and can will change to double measuring tube quality, thereby affect the stability of flowmeter work when glue comes off.
Utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of simple in structure, easy and simple to handle, the fly line wiring construction of coriolis mass flowmeters easy to use, wherein the quality of signal wire is not attached on testing tube, can not affect measuring accuracy; There will not be obscission, improve the stability of flowmeter work.
The technical solution adopted in the utility model is as follows:
The fly line wiring construction of coriolis mass flowmeters of the present utility model, includes the double measuring tube that is positioned at Sensor section in described flowmeter, described double measuring tube is located in case, and the middle part of described case is connected with adapter sleeve; Formation " triangle " structure is drawn close at the two ends of described double measuring tube mutually, the middle part of described double measuring tube is provided with drive coil, " triangle " corner of described double measuring tube is provided with magnetic test coil, and the lead-in wire of described drive coil and the lead-in wire of magnetic test coil pass respectively from adapter sleeve.
Owing to having adopted said structure, the vibration that drive coil is double measuring tube provides power, in the time that LNG passes through from double measuring tube, this drive coil drives double measuring tube to vibrate, now, LNG fluid, in order to revolt this forced vibration, can be given reacting force vertical with its flow direction of double measuring tube, is also Coriolis effect power; Because the vibrations of double measuring tube are asynchronous, there is difference in the time order and function chamber of commerce of vibration in entrance pipe and outlet section pipe, (difference is because entrance and outlet section direction of flow are contrary), therefore at the outer wall of double measuring tube Shang Liangge corner, magnetic test coil is set respectively, record respectively the fluid difference of gateway section in double measuring tube, thereby calculate the size of flow in detector tube by this difference.Wherein formation triangular structure is drawn close at the two ends of double measuring tube mutually, thereby the middle part of being convenient to double measuring tube produces vibrations, and the liquid in-out that can not affect double measuring tube end with and surely the leaning on of syndeton, case is mainly used in wrapping up double measuring tube, and for the vibration of double measuring tube provides enough spaces, therefore formation triangular structure is drawn close at the two ends of case too.Especially, the lead-in wire of drive coil and magnetic test coil all adopts the mode of fly line to be connected on coil, and this lead-in wire directly accesses transmitter circuit plate from case inside through adapter sleeve again; Therefore make lead-in wire no longer be attached on double measuring tube, the weight of lead-in wire itself can not appended on double measuring tube equally, then can effectively avoid the impact on double measuring tube measuring accuracy, can guarantee whole double measuring tube measuring accuracy, make the test of flowmeter more accurate; Simultaneously wire bonds is on coil, thereby makes it there will not be break-off, improves the stability of flowmeter work.
The fly line wiring construction of coriolis mass flowmeters of the present utility model, on described drive coil and magnetic test coil, be connected with respectively enameled wire, wherein enameled wire is connected with higher temperature line, the termination portion of described higher temperature line is fixed in case inner chamber by cabling fixed block, described higher temperature line is wrapped in insulation tube, described insulation tube is fixed on encloser inner wall by chute, and described insulation tube passes adapter sleeve from the middle part of case.
Owing to having adopted said structure, drive coil is enameled wire with the lead-in wire being connected on magnetic test coil, and this enameled wire is first connected by fly line mode with higher temperature line, the higher temperature value producing can bear energising time, this higher temperature line is inserted in insulation tube again introduces adapter sleeve along encloser inner wall line, then from connecting pipe, passes on access transmitter circuit plate; Wherein cabling fixed block can be fixed higher temperature line and separately be connected on enameled wire, chute can be firmly fixed at insulation tube on the inwall of case, thereby can effectively avoid the interference of cabling to double measuring tube vibration, the quality of lead-in wire is not attached on double measuring tube simultaneously, can not affect measuring accuracy, each lead-in wire is all wrapped in insulation tube, there will not be obscission, improves the stability of flowmeter work.
The fly line wiring construction of coriolis mass flowmeters of the present utility model, the entrance point of described double measuring tube is provided with temperature sensor, the lead-in wire of described temperature sensor is wrapped in insulation tube, described insulation tube is by chute on encloser inner wall, and described insulation tube passes adapter sleeve from the middle part of case.
Owing to having adopted said structure, temperature sensor is arranged at one end of double measuring tube, this end is entrance point, because the fluid in double measuring tube is LNG, the fluid of ultralow temperature can promptly be delivered on the tube wall of metal material, the signal wire of temperature degree sensor penetrates insulation tube, introduces adapter sleeve along case by chute, then through in connector access transmitter; Therefore can be affixed on the outer wall of double measuring tube by this temperature sensor, thereby detect approx the fluid temperature (F.T.) value of double measuring tube inside, then be convenient to whole flowmeter the multiple values such as flow, temperature of LNG in double measuring tube are detected, make its scope of application wider.
The fly line wiring construction of coriolis mass flowmeters of the present utility model, described double measuring tube is made up of two testing tubes that are arranged in parallel, and adopts respectively contiguous block positioning clamping at the two ends of double measuring tube.
Owing to having adopted two testing tubes that are arranged in parallel, can detect two Coriolis effect power in testing tube simultaneously and compare, draw a value comparatively accurately, thereby guarantee that the test of whole flowmeter is more accurate; Contiguous block can link together the two ends of two testing tubes, the end of testing tube can not vibrated with the middle part of testing tube, impact on measuring accuracy while avoiding LNG fluid enter or flow out testing tube, make measuring accuracy more accurate, contiguous block can make double measuring tube there will not be obscission, improves the stability of flowmeter work.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, the fly line wiring construction of coriolis mass flowmeters of the present utility model, simple in structure, easy and simple to handle, easy to use, with low cost, measuring accuracy is high, applied widely, is applicable to applying;
2, the fly line wiring construction of coriolis mass flowmeters of the present utility model, the quality of signal wire is not attached on testing tube, can not affect measuring accuracy; There will not be obscission, improve the stability of flowmeter work.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Mark in figure: 1-case, the double measuring tube of 2-, 3-drive coil, 4,5-magnetic test coil, 6-temperature sensor, 7-enameled wire, 8-insulation tube, 9-chute, 10-higher temperature line, 11-cabling fixed block, 12-adapter sleeve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, include the double measuring tube 2 that is positioned at Sensor section in flowmeter of the present utility model, described double measuring tube 2 is located in case 1, and the middle part of described case 1 is connected with adapter sleeve 12; Formation " triangle " structure is drawn close at the two ends of described double measuring tube 2 mutually, the middle part of described double measuring tube 2 is provided with drive coil 3, " triangle " corner of described double measuring tube 2 is provided with magnetic test coil 4, the lead-in wire of the lead-in wire of described drive coil 3 and magnetic test coil 4 passes respectively from adapter sleeve 12, described double measuring tube 2 is made up of two testing tubes that are arranged in parallel, and adopts respectively contiguous block positioning clamping at the two ends of double measuring tube 2; On wherein said drive coil 3 and magnetic test coil 4, be connected with respectively enameled wire 7, wherein enameled wire 7 is connected with higher temperature line 10, the termination portion of described higher temperature line 10 is fixed in case 1 inner chamber by cabling fixed block 11, described higher temperature line 10 is wrapped in insulation tube 8, described insulation tube 8 is fixed on case 1 inwall by chute 9, and described insulation tube 8 passes adapter sleeve 12 from the middle part of case 1.The entrance point of wherein said double measuring tube 2 is provided with temperature sensor 6, and the lead-in wire of described temperature sensor 6 is wrapped in insulation tube 8, and described insulation tube 8 is fixed on case 1 inwall by chute 9, and described insulation tube 8 passes adapter sleeve 12 from the middle part of case 1.
The fly line wiring construction of coriolis mass flowmeters of the present utility model, the vibration that wherein drive coil is double measuring tube provides power, in the time that LNG passes through from double measuring tube, this drive coil drives double measuring tube to vibrate, now, LNG fluid, in order to revolt this forced vibration, can be given reacting force vertical with its flow direction of double measuring tube, is also Coriolis effect power; Because the vibrations of double measuring tube are asynchronous, there is difference in the time order and function chamber of commerce of vibration in entrance pipe and outlet section pipe, (difference is because entrance and outlet section direction of flow are contrary), therefore at the outer wall of double measuring tube Shang Liangge corner, magnetic test coil is set respectively, record respectively the fluid difference of gateway section in double measuring tube, thereby calculate the size of flow in detector tube by this difference.Wherein formation triangular structure is drawn close at the two ends of double measuring tube mutually, thereby the middle part of being convenient to double measuring tube produces vibrations, and the liquid in-out that can not affect double measuring tube end with and surely the leaning on of syndeton, case is mainly used in wrapping up double measuring tube, and for the vibration of double measuring tube provides enough spaces, therefore formation triangular structure is drawn close at the two ends of case too.Especially, the lead-in wire of drive coil and magnetic test coil all adopts the mode of fly line to be connected on coil, and this lead-in wire directly accesses transmitter circuit plate from case inside through adapter sleeve again; Therefore make lead-in wire no longer be attached on double measuring tube, the weight of lead-in wire itself can not appended on double measuring tube equally, then can effectively avoid the impact on double measuring tube measuring accuracy, can guarantee whole double measuring tube measuring accuracy, make the test of flowmeter more accurate; Simultaneously wire bonds is on coil, thereby makes it there will not be break-off, improves the stability of flowmeter work; Temperature sensor is arranged at one end of double measuring tube, this end is entrance point, because the fluid in double measuring tube is LNG, the fluid of ultralow temperature can promptly be delivered on the tube wall of metal material, the signal wire of temperature degree sensor penetrates insulation tube, introduce adapter sleeve along case by chute, then through in connector access transmitter; Therefore can be affixed on the outer wall of double measuring tube by this temperature sensor, thereby detect approx the fluid temperature (F.T.) value of double measuring tube inside, then be convenient to whole flowmeter the multiple values such as flow, temperature of LNG in double measuring tube are detected, make its scope of application wider.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. the fly line wiring construction of a coriolis mass flowmeters, it is characterized in that: in described flowmeter, include the double measuring tube (2) that is positioned at Sensor section, described double measuring tube (2) is located in case (1), and the middle part of described case (1) is connected with adapter sleeve (12); Formation " triangle " structure is drawn close at the two ends of described double measuring tube (2) mutually, the middle part of described double measuring tube (2) is provided with drive coil (3), " triangle " corner of described double measuring tube (2) is provided with magnetic test coil (4), and the lead-in wire of the lead-in wire of described drive coil (3) and magnetic test coil (4) passes respectively from adapter sleeve (12).
2. the fly line wiring construction of coriolis mass flowmeters as claimed in claim 1, it is characterized in that: on described drive coil (3) and magnetic test coil (4), be connected with respectively enameled wire (7), wherein enameled wire (7) is connected with higher temperature line (10), the termination portion of described higher temperature line (10) is fixed in case (1) inner chamber by cabling fixed block (11), described higher temperature line (10) is wrapped in insulation tube (8), described insulation tube (8) is fixed on case (1) inwall by chute (9), described insulation tube (8) passes adapter sleeve (12) from the middle part of case (1).
3. the fly line wiring construction of coriolis mass flowmeters as claimed in claim 1 or 2, it is characterized in that: the entrance point of described double measuring tube (2) is provided with temperature sensor (6), the lead-in wire of described temperature sensor (6) is wrapped in insulation tube (8), described insulation tube (8) is fixed on case (1) inwall by chute (9), and described insulation tube (8) passes adapter sleeve (12) from the middle part of case (1).
4. the fly line wiring construction of coriolis mass flowmeters as claimed in claim 3, is characterized in that: described double measuring tube (2) is made up of two testing tubes that are arranged in parallel, and adopts respectively contiguous block positioning clamping at the two ends of double measuring tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009078.5U CN203657867U (en) | 2014-01-07 | 2014-01-07 | Fly wire wiring structure of Coriolis mass flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009078.5U CN203657867U (en) | 2014-01-07 | 2014-01-07 | Fly wire wiring structure of Coriolis mass flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657867U true CN203657867U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420009078.5U Expired - Lifetime CN203657867U (en) | 2014-01-07 | 2014-01-07 | Fly wire wiring structure of Coriolis mass flow meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN203657867U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424113A (en) * | 2015-12-17 | 2016-03-23 | 成都瑞帆智达科技有限公司 | Spirally-wired coriolis mass flowmeter and wiring method |
| CN109990856A (en) * | 2018-01-03 | 2019-07-09 | 成都瑞帆智达科技有限公司 | Lead fixing structure, resonant transducer and measuring device |
-
2014
- 2014-01-07 CN CN201420009078.5U patent/CN203657867U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424113A (en) * | 2015-12-17 | 2016-03-23 | 成都瑞帆智达科技有限公司 | Spirally-wired coriolis mass flowmeter and wiring method |
| CN105424113B (en) * | 2015-12-17 | 2018-08-07 | 成都瑞帆智达科技有限公司 | A kind of coriolis mass flowmeters and wiring method of spiral wiring |
| CN109990856A (en) * | 2018-01-03 | 2019-07-09 | 成都瑞帆智达科技有限公司 | Lead fixing structure, resonant transducer and measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |