CN208171356U - Lead fixing structure, resonant transducer and measuring device - Google Patents
Lead fixing structure, resonant transducer and measuring device Download PDFInfo
- Publication number
- CN208171356U CN208171356U CN201820010409.5U CN201820010409U CN208171356U CN 208171356 U CN208171356 U CN 208171356U CN 201820010409 U CN201820010409 U CN 201820010409U CN 208171356 U CN208171356 U CN 208171356U
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- lead
- protective film
- resonator bodies
- metallic resonator
- metal protective
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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 utility model relates to measure and field of automation technology, and in particular to a kind of lead for resonant transducer
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 that there are following defects in actual use：Lead is attached at as additional mass
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.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of lead fixing structure, to solve resonance in the prior art
Formula sensor lead fixed structure adhesive or adhesive tape under low temperature or hot environment, which are easy failure, causes lead from metal resonance
The problem of being peeled off on body.
Further, the another object of the utility model is to provide a kind of resonant mode for coriolis mass flowmeters
Sensor is easy to peel off from metallic resonator bodies under low temperature or hot environment and leads to solve the lead of sensor in the prior art
The problem of causing sensor failure.
Still further, the another object of the utility model is to provide a kind of coriolis mass flowmeters, it is existing to solve
There is easy peel off from metallic resonator bodies of coriolis mass flowmeters lead under low temperature or hot environment in technology to cause to pass
The problem of sensor fails.
For this purpose, in a first aspect, the utility model provides a kind of lead fixing structure for resonant transducer, it is described
Resonant transducer includes resonant body, the driver and signal detector that are arranged on the resonant body, the driver and institute
It states signal detector and is connected with lead, the lead fixing structure includes lead and metal protective film, the metal protective film packet
The metal coating to be attached at the lead on the metallic resonator bodies of the resonant transducer is overlying on the outside of the lead
Film is fixedly connected by welding with the metallic resonator bodies.
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 utility model provide a kind of resonant transducer, including metallic resonator bodies, and are set to described
For driving the driver of the metallic resonator bodies vibration and for detecting the metallic resonator bodies vibration on metallic resonator bodies
Signal detector, the driver and the signal detector, which are exported signal to outer signal data processing by lead, to be set
It is standby, it further include 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 utility model provide a kind of measuring device with resonant transducer, including：
Above-mentioned resonant transducer；
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.
The advantages of the utility model：
1, lead fixing structure provided by the utility model substitutes adhesive tape in the prior art by metal protective film, uses
Metal protective film is pressed on the lead instead of viscose glue, metal protective film is then welded on metallic resonator bodies by welding
On.Metal protective film is smaller or even identical compared to adhesive tape and the linear expansion coefficient of metallic resonator bodies difference, this makes extreme
Temperature environment 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 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, this makes it possible to make
With relatively thin metal protective film, to guarantee that the weight being attached on metallic resonator bodies is smaller, the influence of additional mass is smaller.
2, lead fixing structure provided by the utility model, the metal protective film are welded by being located at the first of lead two sides
Socket part and the second weld part are welded on the metallic resonator bodies, this makes metal protective film only secure 4 freedom to lead
Spend the front-rear direction and left and right directions of extending direction), and do not limited along the direction that lead extends, this makes in extreme temperature
Lower lead, metallic resonator bodies and metal protective film linear expansion coefficient difference when can be humorous in metal along lead extending direction
Telescopic slide in vibration body, to ensure that in extreme temperatures, lead can be vibrated together with metallic resonator bodies and because
Cause to tear for the different reason of the coefficient of expansion.
3, lead fixing structure provided by the utility model, 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 makes gold
Belong to protective film to be welded on after metallic resonator bodies, the bonding strength of the two is higher, long service life.
Detailed description of the invention
Can be more clearly understood the feature and advantage of the utility model by reference to attached drawing, attached drawing be schematically without
It is interpreted as carrying out any restrictions to the utility model, in the accompanying drawings：
Fig. 1 is that the lead for the lead fixing structure that the utility model embodiment one provides draws from metallic resonator bodies Bilateral Symmetry
Structural schematic diagram out；
Fig. 2 is what the lead for the lead fixing structure that the utility model embodiment one provides was drawn from metallic resonator bodies unilateral side
Structural schematic diagram；
Fig. 3 is the structural schematic diagram for the lead fixing structure that the utility model embodiment 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
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are 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 " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model provides a kind of 3 fixed structure of lead, and the main reliable wire 3 being to solve under vibration environment needs
It asks, that is, is mainly used in vibration sensing mechanically, such as resonant transducer.The resonant transducer is to utilize resonance
Element is the sensor of frequency signal tested parameter transform.When tested parameter changes, the intrinsic vibration of vibrating elements
Frequency changes correspondingly, and passes through corresponding measuring circuit, so that it may obtain the electric signal with tested parameter at certain relationship.Resonant mode passes
Sensor includes resonant body 4, driver 1 and Signal generator 1, and driver 1 and signal detector 2 are connected with lead 3, the lead
3 can be the power supply line or signal communication line of connection sensor and external transmitter.
The core scheme of the utility model is：A kind of 3 fixed structure of lead for resonant transducer, the resonant mode
Sensor includes metallic resonator bodies 4, the driver 1 and signal detector 2 that are arranged on the metallic resonator bodies 4, the excitation
Device 1 and the signal detector 2 are connected with lead 3, and 3 fixed structure of lead includes lead 3 and metal protective film 6, described
Metal protective film 6 is coated on 3 outside of lead so that the lead 3 to be attached to the metallic resonator bodies of the resonant transducer
On 4, the metal protective film 6 is fixedly connected by welding with the metallic resonator bodies 4.
Before the utility model, the prior art is all that lead 3 is fixed on vibrating tube by the way of adhesive tape and viscose glue
On, and relative motion occurs between lead 3, adhesive tape and metallic resonator bodies 4 in order to prevent, by by 6 freedom degrees of lead 3
It is all fixed, allow lead 3 to be integrally formed with resonant body 4.However, being, for example, < -40 DEG C of low temperature or high temperature > 250 in extreme temperature
DEG C or temperature change it is very big when, adhesive tape, lead 3 and 4 three of metallic resonator bodies due to linear expansion coefficient difference, three
The interface that person contacts with each other is killed high generate and is slided, and then causes to tear, this actually destroys the one of lead 3 Yu resonant body 4
Structure makes sensor disablement.And in the utility model, it is substituted by metal protective film 6 in the prior art
Metal protective film 6 is pressed on the lead 3 with welding instead of viscose glue, is then welded on metal protective film 6 by adhesive tape
On metallic resonator bodies 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 the deformation base in < -40 DEG C of extreme temperature environment low temperature or high temperature > 250 DEG C of metal protective films 6 and metallic resonator bodies 4
This is consistent, it is not easy to tear, and then ensure that lead 3 is not easy to peel off from metallic resonator bodies 4；In addition, metal coating
6 intensity of film is more preferable than the intensity of adhesive tape, this makes it possible to use relatively thin metal protective film 6, to guarantee that be attached to metal humorous
Weight in vibration body 4 is smaller, and 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 utility model, in the present embodiment, the gold
It is identical as the material of the vibrating tube to belong to protective film 6.
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 the continuous welding manner of the utility model, it can also be using disconnected
Continuous or spot welding mode 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 among the protection scope created still in the utility model.
Claims (14)
1. a kind of lead (3) fixed structure, is used for resonant transducer, the resonant transducer includes resonant body (4), setting
Driver (1) and signal detector (2) on the resonant body (4), the driver (1) and the signal detector (2)
It is connected with lead (3), which is characterized in that lead (3) fixed structure includes lead (3) and metal protective film (6), the gold
Category protective film (6) is coated on humorous with the metal that the lead (3) is attached at the resonant transducer on the outside of the lead (3)
In vibration 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 (3) fixed structure according to any one of claim 1-3, 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 claim 1-3, which is characterized in that the metal protective film
(6) thickness is not more than 0.05mm.
7. lead (3) fixed structure according to any one of claim 1-3, 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 (3) fixed structure according to any one of claim 1-3, 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, which is characterized in that including：
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820010409.5U CN208171356U (en) | 2018-01-03 | 2018-01-03 | Lead fixing structure, resonant transducer and measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820010409.5U CN208171356U (en) | 2018-01-03 | 2018-01-03 | Lead fixing structure, resonant transducer and measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208171356U true CN208171356U (en) | 2018-11-30 |
Family
ID=64387021
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820010409.5U Expired - Fee Related CN208171356U (en) | 2018-01-03 | 2018-01-03 | Lead fixing structure, resonant transducer and measuring device |
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| Country | Link |
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| CN (1) | CN208171356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2018
- 2018-01-03 CN CN201820010409.5U patent/CN208171356U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2019134430A1 (en) * | 2018-01-03 | 2019-07-11 | 成都瑞帆智达科技有限公司 | Lead fixing structure, resonant sensor, and measuring device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20200103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |