CN109990856A - Lead fixing structure, resonant transducer and measuring device - Google Patents
Lead fixing structure, resonant transducer and measuring device Download PDFInfo
- Publication number
- CN109990856A CN109990856A CN201810006677.4A CN201810006677A CN109990856A CN 109990856 A CN109990856 A CN 109990856A CN 201810006677 A CN201810006677 A CN 201810006677A CN 109990856 A CN109990856 A CN 109990856A
- Authority
- CN
- China
- Prior art keywords
- lead
- protective film
- resonator bodies
- metallic resonator
- metal protective
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 75
- 229910052751 metal Inorganic materials 0.000 claims abstract description 75
- 230000001681 protective effect Effects 0.000 claims abstract description 70
- 238000003466 welding Methods 0.000 claims abstract description 23
- 238000002955 isolation Methods 0.000 claims description 17
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 239000002390 adhesive tape Substances 0.000 abstract description 18
- 229920000297 Rayon Polymers 0.000 abstract description 6
- 239000003292 glue Substances 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/26—Windows; Cover glasses; Sealings therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
- G01F1/8422—Coriolis or gyroscopic mass flowmeters constructional details exciters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
- G01F1/8427—Coriolis or gyroscopic mass flowmeters constructional details detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/10—Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/10—Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings
- G01L1/106—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/26—Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0061—Electrical connection means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
- G01N2009/006—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis vibrating tube, tuning fork
Abstract
A kind of lead fixing structure, resonant transducer and measuring device; the lead fixing structure includes lead and metal protective film; metal protective film is coated on the outside of lead so that lead to be attached on the metallic resonator bodies of resonant transducer, and metal protective film is fixedly connected by welding with metallic resonator bodies.Adhesive tape in the prior art is substituted by metal protective film, with welding instead of viscose glue, metal protective film is pressed on lead, then metal protective film is welded on metallic resonator bodies.Metal protective film is smaller or even identical compared to adhesive tape and the linear expansion coefficient of metallic resonator bodies difference; this makes the deformation of metal protective film in extreme temperatures and metallic resonator bodies almost the same; it is less likely to occur to tear, and then ensure that lead is not easy to peel off from metallic resonator bodies；In addition, metal coating film-strength is more preferable than the intensity of adhesive tape, it is able to use relatively thin metal protective film, guarantees that the weight being attached on metallic resonator bodies is smaller, the influence of additional mass is smaller.
Description
Technical field
The present invention relates to measurement and fields of automation technology, and in particular to a kind of lead for resonant transducer is fixed
Structure, resonant transducer and the measuring device with the resonant transducer.
Background technique
Measurement and automatic technology in, the fluid flowed in pipeline, especially liquid, mass velocity and/or density
Usually determined using such instrument: it uses resonant transducer and coupled measurement and control circuit, induction
The reaction force in the fluid of sensor is flowed through, is particularly corresponding to the Coriolis force of mass velocity and corresponding to the used of density
Property power, and thus obtain and represent the corrresponding quality flow velocity of fluid and/or the measuring signal of corresponding density.
Coriolis mass flowmeters are usually made of sensor and transmitter, and sensor includes driver, signal detection
The components such as device, vibrating tube, vibration isolation piece and temperature detecting resistance, wherein driver and signal detector generally use magneto-electric structure, i.e.,
Relative motion form is formed by magnet and coil, to realize the mutual conversion between vibration and electric signal.In driver and letter
It needs to be arranged positive and negative anodes on the coil of number detector, is then connected the processing circuit in signal and transmitter by lead.It is existing
Have to generally use in technology and lead is close to vibrating tube, such as Chinese patent literature CN205388494U by adhesive or adhesive tape
A kind of coriolis mass flowmeters of disclosed spiral wiring, each lead are wrapped in U-shaped survey in the form of spiral cabling
On buret, and fixed between lead and U-shaped measurement pipe by viscose glue, later again by each lead accumulate it is a branch of after, from sensing
Device pedestal leads to transmitter.
However, the above-mentioned prior art finds to have following defects that lead is attached at as additional mass in actual use
On vibrating tube, quality and firmness can seriously affect the vibration performance of sensor, be must not allow lead relaxation or
It peels off.But because of adhesive or the temperature limiting of adhesive tape, when the sensor is applied to low temperature (< -40 DEG C) or high temperature (>
250 DEG C) when, adhesive or adhesive tape can fail, and peel off from vibrating tube so as to cause lead, make sensor disablement.
Summary of the invention
In view of this, being passed the object of the present invention is to provide a kind of lead fixing structure with solving resonant mode in the prior art
Sensor lead fixing structure adhesive or adhesive tape under low temperature or hot environment, which are easy failure, causes lead from metallic resonator bodies
The problem of peeling.
Further, it is a further object of the present invention to provide a kind of resonant mode sensings for coriolis mass flowmeters
Device, being easy under low temperature or hot environment to peel off from metallic resonator bodies to solve the lead of sensor in the prior art causes to pass
The problem of sensor fails.
Still further, it is a further object of the present invention to provide a kind of coriolis mass flowmeters, to solve existing skill
Coriolis mass flowmeters lead under low temperature or hot environment, which is easy to peel off from metallic resonator bodies, in art leads to sensor
The problem of failure.
For this purpose, in a first aspect, the present invention provides a kind of lead fixing structure for resonant transducer, the resonance
Formula sensor includes resonant body, the driver and signal detector that are arranged on the resonant body, the driver and the letter
Number detector is connected with lead, and the lead fixing structure includes lead and metal protective film, and the metal protective film is coated on
The lead to be attached on the metallic resonator bodies of the resonant transducer on the outside of the lead, the metal protective film with
The metallic resonator bodies are fixedly connected by welding.
Optionally, the metal protective film, which has, is located at the lead two sides are used to weld with the metallic resonator bodies the
One weld part and the second weld part, the middle part of the metal protective film is in first weld part and the second weld part and the gold
It is formed after belonging to resonant body welding for accommodating the lead and with the pilot protection chamber of lead incoming line and lead line outlet, institute
Stating lead can be along the direction of routing telescopic slide of the lead in the pilot protection chamber.
Optionally, first weld part and second weld part are welded by continuously or intermittently or in a manner of spot welding respectively
On the metallic resonator bodies.
Optionally, described to be welded as argon arc welding or solder brazing or Laser Welding or Plasma Welding.
Optionally, the metal protective film is identical as the metallic resonator bodies material.
Optionally, the thickness of the metal protective film is not more than 0.05mm.
Optionally, the metal protective film is square or round or ellipse or rectangle or triangle or trapezoidal.
Optionally, the metallic resonator bodies are the vibrating tube for coriolis mass flowmeters, and the lead is along institute
State the extending direction cabling of vibrating tube.
Second aspect, the present invention provides a kind of resonant transducers, including metallic resonator bodies, and are set to the metal
Signal on resonant body for driving the driver of the metallic resonator bodies vibration and for detecting the metallic resonator bodies vibration
Detector, the driver and the signal detector are exported signal to outer signal data processing equipment by lead, are gone back
Including lead fixing structure described above.
Optionally, the driver and the signal detector are magneto-electric structure.
Optionally, a pole of the exciter coil leads to left side vibration isolation piece on the left of the metallic resonator bodies, another
Pole leads to right side vibration isolation piece on the right side of the metallic resonator bodies；The two poles of the earth of left-side signal detector are along the metallic resonator bodies
Left side leads to left side vibration isolation piece；The two poles of the earth of right-side signal detector lead to right side vibration isolation on the right side of the metallic resonator bodies
Piece；Alternatively, the two poles of the earth of the driver and signal detector all lead to left side along the left or right side of the metallic resonator bodies
Or right side vibration isolation piece.
The third aspect, the present invention provides a kind of measuring devices with resonant transducer, comprising: above-mentioned resonant mode
Sensor；
Signal-data processing equipment, the driver and the signal detector pass through the lead for signal and the letter
The processing circuit of number processing equipment is connected.
Optionally, the measuring device is coriolis mass flowmeters.
Optionally, the measuring device is resonant mode densitometer or resonant mode pressure gauge.
Advantages of the present invention:
1, lead fixing structure provided by the invention substitutes adhesive tape in the prior art by metal protective film, with welding
Instead of viscose glue, metal protective film is pressed on the lead, then metal protective film is welded on metallic resonator bodies.Gold
It is smaller or even identical compared to adhesive tape and the linear expansion coefficient of metallic resonator bodies difference to belong to protective film, this makes in extreme temperature ring
Border or high temperature) metal protective film and metallic resonator bodies deformation it is almost the same, it is not easy to tear, and then ensure that lead not
It is easy to peel off from metallic resonator bodies；In addition, metal coating film-strength is more preferable than the intensity of adhesive tape, it is relatively thin this makes it possible to use
Metal protective film, to guarantee that the weight that is attached on metallic resonator bodies is smaller, the influence of additional mass is smaller.
2, lead fixing structure provided by the invention, the metal protective film pass through the first weld part positioned at lead two sides
It is welded on the metallic resonator bodies with the second weld part, this metal protective film only secure lead 4 freedom degrees to prolong
Stretch the front-rear direction and left and right directions in direction), and do not limited along the direction that lead extends, this to draw in extreme temperatures
Line, metallic resonator bodies and metal protective film linear expansion coefficient difference when can be along lead extending direction in metallic resonator bodies
Upper telescopic slide, to ensure that in extreme temperatures, lead can vibrate together and with metallic resonator bodies because of swollen
The different reason of swollen coefficient and cause to tear.
3, lead fixing structure provided by the invention, metal protective film is identical as metallic resonator bodies material, this makes metal
Protective film is identical as the linear expansion coefficient of metallic resonator bodies, and the deformation of the two is consistent in extreme temperatures, this protects metal
Cuticula is welded on after metallic resonator bodies, and the bonding strength of the two is higher, long service life.
Detailed description of the invention
The features and advantages of the present invention will be more clearly understood by referring to the accompanying drawings, and attached drawing is schematically without that should manage
Solution is carries out any restrictions to the present invention, in the accompanying drawings:
Fig. 1 is what the lead for the lead fixing structure that the embodiment of the present invention one provides was drawn from metallic resonator bodies Bilateral Symmetry
Structural schematic diagram；
Fig. 2 is the structure that the lead for the lead fixing structure that the embodiment of the present invention one provides is drawn from metallic resonator bodies unilateral side
Schematic diagram；
Fig. 3 is the structural schematic diagram for the lead fixing structure that the embodiment of the present invention one provides；
Fig. 4 is the structural schematic diagram of the sensor of coriolis mass flowmeters.
Description of symbols:
1- driver；2- signal detector；3- lead；4- resonant body；5- pedestal；6- metal protective film；7- weld seam.
Specific embodiment
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The present invention provides a kind of 3 fixed structure of lead, leads 3 demand of reliable wire being to solve under vibration environment, i.e.,
It is mainly used in vibration sensing mechanically, such as resonant transducer.The resonant transducer is to utilize resonant element
It is the sensor of frequency signal tested parameter transform.When tested parameter changes, the eigentone of vibrating elements
It changes correspondingly, passes through corresponding measuring circuit, so that it may obtain the electric signal with tested parameter at certain relationship.Resonant transducer
Including resonant body 4, driver 1 and Signal generator 1, driver 1 and signal detector 2 are connected with lead 3, and the lead 3 can
To be the power supply line or signal communication line for connecting sensor and external transmitter.
Core of the invention scheme is: a kind of 3 fixed structure of lead for resonant transducer, the resonant mode sensing
Device includes metallic resonator bodies 4, the driver 1 and signal detector 2 that are arranged on the metallic resonator bodies 4,1 He of driver
The signal detector 2 is connected with lead 3, and 3 fixed structure of lead includes lead 3 and metal protective film 6, and the metal is protected
Cuticula 6 is coated on the outside of the lead 3 so that the lead 3 to be attached on the metallic resonator bodies 4 of the resonant transducer, institute
Metal protective film 6 is stated to be fixedly connected by welding with the metallic resonator bodies 4.
Before making the present invention, the prior art is all that lead 3 is fixed in vibrating tube by the way of adhesive tape and viscose glue,
And relative motion occurs between lead 3, adhesive tape and metallic resonator bodies 4 in order to prevent, by the way that 6 freedom degrees of lead 3 are complete
Portion is fixed, and lead 3 is allowed to be integrally formed with resonant body 4.However, extreme temperature be, for example, low temperature<-40 DEG C or high temperature>250 DEG C or
When person's temperature change is very big, adhesive tape, lead 3 and 4 three of metallic resonator bodies due to linear expansion coefficient difference, it is mutual in three
The interface being in contact is killed high generate and is slided, and then causes to tear, this actually destroys the integral structure of lead 3 Yu resonant body 4,
Make sensor disablement.And in the present invention program, adhesive tape in the prior art is substituted by metal protective film 6, with weldering
It connects instead of viscose glue, metal protective film 6 is pressed on the lead 3, metal protective film 6 is then welded on metallic resonator bodies
On 4.Metal protective film 6 is smaller or even identical compared to adhesive tape and the linear expansion coefficient of metallic resonator bodies 4 difference, this makes in pole
Hold temperature environment low temperature<-40 DEG C or high temperature>250 DEG C metal protective film 6 almost the same with the deformation of metallic resonator bodies 4, it is not easy to
It tears, and then ensure that lead 3 is not easy to peel off from metallic resonator bodies 4；In addition, 6 intensity of metal protective film compares adhesive tape
Intensity it is more preferable, this makes it possible to use relatively thin metal protective film 6, to guarantee the weight that is attached on metallic resonator bodies 4
Smaller, the influence of additional mass is smaller.
Embodiment one
The present embodiment provides a kind of 3 fixed structure of lead of sensor for coriolis mass flowmeters, the biographies
Sensor includes vibrating tube, driver 1, signal detector 2, signal lead-out wire, vibration isolation piece and pedestal 5, wherein driver 1 and letter
Number detector 2 uses electromagnetic type structure, i.e., the relative motion form being made of magnet and coil, to realize vibration and electric signal
Between mutual conversion.It needs that positive and negative anodes are arranged on the coil of driver 1 and signal detector 2, is then drawn by signal
Line connects the processing circuit in signal and transmitter.Under regular situation, lead-out wire is all to be close to vibration with adhesive or adhesive tape
At dynamic pipe to vibration isolation piece, accumulate it is a branch of after, lead to transmitter from sensor base 5.
In the present embodiment, the cabling mode of the lead 3 is Bilateral Symmetry extraction: as shown in Figure 1, the one of driver 1
Pole leads to right vibration isolation piece on the right side of vibrating tube from left vibration isolation piece, another pole is led on the left of vibrating tube；Left-side signal detector 2
The two poles of the earth left vibration isolation piece is all led on the left of metallic resonator bodies 4；The two poles of the earth of right-side signal detector 2 are all along metallic resonator bodies 4
Right side leads to right vibration isolation piece.
In order to improve the ability to work of mass flow meter sensor in extreme temperatures, fixed in the lead-out wire of the present embodiment
In structure, metal protective film 6 is pressed on signal and is drawn with welding instead of viscose glue instead of adhesive tape using metal protective film 6
On line, then metal protective film 6 is welded in vibrating tube with welding.Since metal protective film 6 is identical as the material of vibrating tube
Or it is close, the two has same or similar heat resistance, it may have same or similar linear expansion coefficient ensure that signal
Lead-out wire will not peel off in extreme temperatures.As the preferred embodiment of the present invention, in the present embodiment, the metal is protected
Cuticula 6 is identical as the material of the vibrating tube.
Further, as shown in Figure 3 and Figure 4, in the present embodiment, the metal protective film 6, which has, is located at the lead 3
The first weld part and the second weld part of two sides, first weld part and the second weld part can be metal protective film 6 and be located at
Two sides of 3 two sides of lead are also possible to two sides by inner position, and the first weld part and the second weld part are as its name suggests
The position welded for the tube body with vibrating tube, when metal protective film 6 by the first weld part and the second weld part with
After the pipe welding of vibrating tube, middle part is formed, and there is the lead 3 of 3 line outlet of 3 incoming line of lead and lead to protect chamber, lead 3
Enter from line outlet from incoming line, after two weld parts and vibrating tube of metal protective film 6 weld, one side metal protective film
6 are coated on the outside of signal lead-out wire and play a protective role, and the two sides of metal protective film 6 and vibrating tube are welded, and are substantially
The freedom degree in 4 directions of signal lead-out wire is limited perpendicular to the front-rear direction and left and right directions of 3 extending direction of lead
System, and there is no limit this makes humorous in extreme temperature lower lead 3 too high or too low for temperature, metal along the direction of the extension of lead 3
It can be stretched on metallic resonator bodies 4 along 3 extending direction of lead when vibration body 4 and the linear expansion coefficient difference of metal protective film 6
Contracting sliding, to ensure that in extreme temperatures, lead 3 can vibrate together and with metallic resonator bodies 4 because of expansion
The different reason of coefficient and cause to tear.
The signal wire includes at least one harness, as shown in figure 3, the signal wire includes three harness, by same gold
Belong to protective film 6 to be tightly attached in vibrating tube.The quantity of signal wire is not limited to three, can also be one, two in other embodiments
Item, four it is even more a plurality of.
In the present embodiment, described first first weld part and second weld part are welded respectively with continuous shape
Formula is welded in vibrating tube, to form the continuous weld seam 7 of twice.Continuous welding manner makes metal protective film 6 and vibrating tube
The integral structure of formation is more firm.But the alternative as welding manner of the invention continuous, can also using discontinuously or
The mode of person's spot welding is welded.Those skilled in the art can select according to the characteristics of different welding manners.
In the present embodiment, it is described welding using in argon arc welding, solder brazing, Laser Welding, Plasma Welding wherein
One kind is ibid welded the selection of type and is selected the characteristics of can also being welded according to variety classes.
In addition, the thickness of the metal protective film 6 is not more than 0.05mm, in the present embodiment, the thickness of metal protective film 6
For 0.03mm.The thickness of metal protective film 6 is thin, light weight, and the weight being attached in vibrating tube is smaller, and additional mass is to vibrating tube
Influence it is smaller.
As the alternative embodiment of 6 thickness of metal protective film, the thickness of the metal protective film 6 be can also be
0.01mm,0.02mm,0.04mm,0.05mm.Those skilled in the art can select the metal of different-thickness according to different demands
Protective film 6.
In addition, the shape of the metal protective film 6 is also possible to multiplicity, such as it can be square, round, ellipse
Shape, rectangle, triangle, trapezoidal etc..In the present embodiment, the metal protective film 6 is preferably rectangle.
Furthermore the alternative embodiment of the cabling mode as signal lead-out wire, the signal lead-out wire can also be single
Side lead-out mode: as shown in Fig. 2, the two poles of the earth of driver 1 and signal detector 2 are all drawn along 4 left or right side of metallic resonator bodies
To left or right vibration isolation piece.
Embodiment two
The present embodiment provides a kind of resonant transducers, including metallic resonator bodies 4, setting are on the metallic resonator bodies 4
Driver 1 and signal detector 2, the driver 1 and the signal detector 2 be connected with lead 3, and the lead 3 is fixed
Structure includes lead 3 and metal protective film 6, and the metal protective film 6 is coated on 3 outside of lead to paste the lead 3
It invests on the metallic resonator bodies 4 of the resonant transducer, the metal protective film 6 passes through welding with the metallic resonator bodies 4
It is fixedly connected.
In the present embodiment, resonant transducer is the sensor for mass flowmenter, and metallic resonator bodies 4 are for matter
Measure the vibrating tube of flowmeter.The resonant transducer of the present embodiment includes 3 fixed structure of lead of embodiment one.
It should be noted that a kind of alternative as mass flowmenter, the resonant transducer can also be
Resonant mode densitometer, the metallic resonator bodies 4 are the metallic cylinder for resonant mode densitometer, and the diameter of metallic cylinder is greater than vibration
The diameter of dynamic pipe, vibration frequency of the vibration frequency also above vibrating tube.Resonant transducer may be for resonant mode pressure
The resonance type pressure sensor of meter.
Embodiment three
The present embodiment provides a kind of measuring device with two resonant transducer of embodiment, which is Ke Liao
Sharp mass flowmenter.It should be understood that the measuring device of the present embodiment can also be coriolis mass flowmeters or
Person's resonant mode densitometer or resonant mode pressure gauge.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (14)
1. a kind of lead (3) fixed structure for resonant transducer, the resonant transducer include resonant body (4), set
Set driver (1) and signal detector (2) on the resonant body (4), the driver (1) and the signal detector
(2) lead (3) are connected with, which is characterized in that lead (3) fixed structure includes lead (3) and metal protective film (6), institute
It states metal protective film (6) and is coated on the gold that the lead (3) is attached to the resonant transducer on the outside of the lead (3)
Belong on resonant body (4), the metal protective film (6) is fixedly connected by welding with the metallic resonator bodies (4).
2. lead (3) fixed structure according to claim 1, which is characterized in that the metal protective film (6), which has, to be located at
Lead (3) two sides are used for the first weld part and the second weld part welded with the metallic resonator bodies (4), and the metal is protected
The middle part of cuticula (6) is formed after first weld part and the second weld part are welded with the metallic resonator bodies (4) for holding
It receives the lead (3) and lead (3) the protection chamber with lead (3) incoming line and lead (3) line outlet, the lead (3) exists
It can be along the direction of routing telescopic slide of the lead (3) in lead (3) the protection chamber.
3. lead (3) fixed structure according to claim 2, which is characterized in that first weld part and described second
Weld part is respectively continuously or intermittently or in a manner of spot welding to be welded on the metallic resonator bodies (4).
4. lead (3) fixed structure according to any one of claim 1-3, which is characterized in that described to be welded as argon arc
Weldering or solder brazing or Laser Welding or Plasma Welding.
5. lead described in any one of -4 (3) fixed structure according to claim 1, which is characterized in that the metal protective film
(6) identical as the metallic resonator bodies (4) material.
6. lead (3) fixed structure according to any one of claims 1-5, which is characterized in that the metal protective film
(6) thickness is not more than 0.05mm.
7. lead (3) fixed structure according to claim 1 to 6, which is characterized in that the metal protective film
(6) it is square or round or ellipse or rectangle or triangle or trapezoidal.
8. lead described in any one of -7 (3) fixed structure according to claim 1, which is characterized in that the metallic resonator bodies
(4) be vibrating tube for coriolis mass flowmeters, the lead (3) along the vibrating tube extending direction cabling.
9. a kind of resonant transducer, including metallic resonator bodies (4), and be set on the metallic resonator bodies (4) for driving
The driver (1) of metallic resonator bodies (4) vibration and the signal detector vibrated for detecting the metallic resonator bodies (4)
(2), the driver (1) and the signal detector (2), which are exported signal to outer signal data processing by lead (3), sets
It is standby, which is characterized in that further include lead of any of claims 1-8 (3) fixed structure.
10. resonant transducer according to claim 9, which is characterized in that the driver (1) and the signal detection
Device (2) is magneto-electric structure.
11. resonant transducer according to claim 10, which is characterized in that a pole edge of driver (1) coil
Lead to left side vibration isolation piece on the left of the metallic resonator bodies (4), another pole lead on the right side of the metallic resonator bodies (4) right side every
Shake piece；The two poles of the earth of left-side signal detector (2) lead to left side vibration isolation piece on the left of the metallic resonator bodies (4)；Right side
The two poles of the earth of signal detector (2) lead to right side vibration isolation piece on the right side of the metallic resonator bodies (4)；Alternatively,
Left or right side of the two poles of the earth of the driver (1) and signal detector (2) all along the metallic resonator bodies (4) is led to
Left or right side vibration isolation piece.
12. a kind of measuring device with resonant transducer characterized by comprising
Resonant transducer as described in any one of claim 9-11；
Signal-data processing equipment, the driver (1) and the signal detector (2) by the lead (3) by signal with
The processing circuit of the signal-data processing equipment is connected.
13. measuring device according to claim 12, which is characterized in that the measuring device is Coriolis mass and flow
Meter.
14. measuring device according to claim 12, which is characterized in that the measuring device be resonant mode densitometer or
Resonant mode pressure gauge.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006677.4A CN109990856A (en) | 2018-01-03 | 2018-01-03 | Lead fixing structure, resonant transducer and measuring device |
| PCT/CN2018/113357 WO2019134430A1 (en) | 2018-01-03 | 2018-11-01 | Lead fixing structure, resonant sensor, and measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006677.4A CN109990856A (en) | 2018-01-03 | 2018-01-03 | Lead fixing structure, resonant transducer and measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109990856A true CN109990856A (en) | 2019-07-09 |
Family
ID=67128989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810006677.4A Pending CN109990856A (en) | 2018-01-03 | 2018-01-03 | Lead fixing structure, resonant transducer and measuring device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109990856A (en) |
| WO (1) | WO2019134430A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210293598A1 (en) * | 2020-03-17 | 2021-09-23 | Saudi Arabian Oil Company | Systems and methods for distributed mass flow measurement |
| US11333538B2 (en) | 2020-04-22 | 2022-05-17 | Saudi Arabian Oil Company | Systems and methods for fluid flow measurement with mass flow and electrical permittivity sensors |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231029A (en) * | 1996-09-20 | 1999-10-06 | 微动公司 | Coriolis flowmeters using fiber and anisotropic material to control selected vibrational flowmeter characteristics |
| JP2003227741A (en) * | 2002-02-05 | 2003-08-15 | Yokogawa Electric Corp | Coriolis mass flowmeter |
| JP2009168675A (en) * | 2008-01-17 | 2009-07-30 | Central Res Inst Of Electric Power Ind | Plate-like optical fiber sensor and method for manufacturing plate-like fiber sensor |
| CN103874909A (en) * | 2011-10-28 | 2014-06-18 | 恩德斯+豪斯流量技术股份有限公司 | Measuring transducer and measuring system comprising same |
| CN203657867U (en) * | 2014-01-07 | 2014-06-18 | 成都安迪生测量有限公司 | Fly wire wiring structure of Coriolis mass flow meter |
| 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 |
| CN205388494U (en) * | 2015-12-17 | 2016-07-20 | 成都瑞帆智达科技有限公司 | Coriolis mass flow meter of spiral wiring |
| CN206269861U (en) * | 2016-10-25 | 2017-06-20 | 合肥科迈捷智能传感技术有限公司 | A kind of shock type vortex street flowmeter sensor |
| CN208171356U (en) * | 2018-01-03 | 2018-11-30 | 成都瑞帆智达科技有限公司 | Lead fixing structure, resonant transducer and measuring device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3959577A (en) * | 1974-06-10 | 1976-05-25 | Westinghouse Electric Corporation | Hermetic seals for insulating-casing structures |
| JPH07114383A (en) * | 1993-10-15 | 1995-05-02 | Murata Mfg Co Ltd | Piezoelectric buzzer |
| CN2731405Y (en) * | 2004-06-08 | 2005-10-05 | 浙江大学 | Sealing device for soft thin cord of ocean prospecting appts. |
| CN2835970Y (en) * | 2005-10-20 | 2006-11-08 | 上海光华仪表有限公司 | Sealing structure for measurement component of nuclear safety level capacitive differential pressure/pressure transmitter |
| CN101252179B (en) * | 2008-03-31 | 2010-06-16 | 华为终端有限公司 | Electrode lead encapsulation method and structure as well as battery encapsulation method and structure |
| CN101937751A (en) * | 2010-06-18 | 2011-01-05 | 中国科学院电工研究所 | Low-temperature superconduction current lead sealing device |
| CN202676193U (en) * | 2012-05-25 | 2013-01-16 | 核工业理化工程研究院 | Leading wire sealing device |
| CN103808347B (en) * | 2014-02-28 | 2016-06-01 | 广州中国科学院先进技术研究所 | A kind of closed metal housing lead-in wire tightness system and method |
| CN203933269U (en) * | 2014-07-11 | 2014-11-05 | 卧龙电气集团股份有限公司 | External electric machine bearing temperature measuring equipment |
-
2018
- 2018-01-03 CN CN201810006677.4A patent/CN109990856A/en active Pending
- 2018-11-01 WO PCT/CN2018/113357 patent/WO2019134430A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231029A (en) * | 1996-09-20 | 1999-10-06 | 微动公司 | Coriolis flowmeters using fiber and anisotropic material to control selected vibrational flowmeter characteristics |
| JP2003227741A (en) * | 2002-02-05 | 2003-08-15 | Yokogawa Electric Corp | Coriolis mass flowmeter |
| JP2009168675A (en) * | 2008-01-17 | 2009-07-30 | Central Res Inst Of Electric Power Ind | Plate-like optical fiber sensor and method for manufacturing plate-like fiber sensor |
| CN103874909A (en) * | 2011-10-28 | 2014-06-18 | 恩德斯+豪斯流量技术股份有限公司 | Measuring transducer and measuring system comprising same |
| CN203657867U (en) * | 2014-01-07 | 2014-06-18 | 成都安迪生测量有限公司 | Fly wire wiring structure of Coriolis mass flow meter |
| 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 |
| CN205388494U (en) * | 2015-12-17 | 2016-07-20 | 成都瑞帆智达科技有限公司 | Coriolis mass flow meter of spiral wiring |
| CN206269861U (en) * | 2016-10-25 | 2017-06-20 | 合肥科迈捷智能传感技术有限公司 | A kind of shock type vortex street flowmeter sensor |
| CN208171356U (en) * | 2018-01-03 | 2018-11-30 | 成都瑞帆智达科技有限公司 | Lead fixing structure, resonant transducer and measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019134430A1 (en) | 2019-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2538422C2 (en) | Initial transducer of vibration type | |
| US9897473B2 (en) | Measuring transducer of vibration-type | |
| US9546890B2 (en) | Measuring transducer of vibration-type as well as measuring system formed therewith | |
| JP6038940B2 (en) | Vibrating flow meter juxtaposed sensor | |
| CN109990856A (en) | Lead fixing structure, resonant transducer and measuring device | |
| US20150323362A1 (en) | Mass flowmeter | |
| CN208171356U (en) | Lead fixing structure, resonant transducer and measuring device | |
| AU2010357210B2 (en) | A vibrating meter including a damped meter component | |
| CN114096812A (en) | Coriolis measuring sensor and coriolis measuring device having a coriolis measuring sensor | |
| JP6071461B2 (en) | Material deterioration diagnosis apparatus and material deterioration diagnosis method | |
| JP2007292467A (en) | Explosion-proof/high temperature-type multi-vortex flow meter | |
| EP1726921B1 (en) | Coriolis flowmeter | |
| US9593973B2 (en) | Measuring transducer of vibration-type as well as measuring system formed therwith | |
| CN110506198B (en) | Ultrasonic flow rate measuring device | |
| JP3327325B2 (en) | Coriolis mass flowmeter | |
| CN104406645A (en) | Mass flow sensor | |
| CN109470322A (en) | A kind of coriolis mass flow sensor | |
| CN204177431U (en) | A kind of mass flow sensor | |
| US20220299355A1 (en) | Coriolis measuring sensor and coriolis measuring device | |
| CN104316123A (en) | High-airtightness liquid flowmeter | |
| CN210486976U (en) | Coriolis mass flow meter for hydrogenation | |
| JP2003057086A (en) | Magnetic inductive type flowmeter | |
| US20220291031A1 (en) | Measurement tube of a coriolis sensing element, coriolis sensing element, and coriolis meter | |
| JP5996764B1 (en) | Coriolis flow meter and phase difference detection method of Coriolis flow meter | |
| JP2003227741A (en) | Coriolis mass flowmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |