CN206920277U - A kind of direct insertion tuning fork densitometer - Google Patents
A kind of direct insertion tuning fork densitometer Download PDFInfo
- Publication number
- CN206920277U CN206920277U CN201720826292.3U CN201720826292U CN206920277U CN 206920277 U CN206920277 U CN 206920277U CN 201720826292 U CN201720826292 U CN 201720826292U CN 206920277 U CN206920277 U CN 206920277U
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- Prior art keywords
- gas
- liquid jet
- jet pipe
- fork
- tuning fork
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of direct insertion tuning fork densitometer, its drip irrigation device is to include outer cover, tuning fork component, it has a mounting post and the tuning fork below mounting post built with induction installation and detection means, and the tuning fork includes two symmetrical fork bodies；Connecting pole, its one end connection outer cover, the other end connect the mounting post；Ring flange, it is threadedly connected on the connecting pole for being engaged with the mounting flange on pipeline, there is the cavity that confluxes for being communicated in extraneous high-pressure injection device in the ring flange；Also include cleaning device, the cleaning device includes at least one gas/liquid jet pipe set parallel to the connecting pole, wherein conflux cavity described in one end connection of gas/liquid jet pipe, the other end is closed, the gas/liquid jet pipe bottom offers multiple gas/liquid spray orifices towards the fork body, active cleaning can be carried out to fork body in the case where not dismantling, be advantageous to improve the degree of accuracy of detection.
Description
Technical field
A kind of Media density tester is the utility model is related to, more particularly to a kind of direct insertion tuning fork densitometer.
Background technology
Tuning fork on-line densimeter, it is a kind of equipment of the concentration for continuous on-line measurement liquid and density, can directly uses
In industrial production.Existing tuning fork on-line densimeter is most to be installed using plug-in type, is widely used in pipeline, open tank body holds
Media density detection in device and the tank container of closing.
The operation principle of tuning fork densitometer is：Sensor is worked based on component vibration principle, and component part is immersion
Tuning fork part in fluid to be measured, the piezoelectric device induction vibration for being fixed on fork body bottom end that tuning fork part passes through inherence.
Frequency of oscillation is detected by the secondary piezoelectric device for being fixed on the fork body other end, then passes through the circuit amplified signal at top.
Existing to refer to the Chinese utility model patent that Authorization Notice No. is CN206146784U, it discloses a kind of sound
V shape on-line densimeter, its drip irrigation device are to include shell, ring flange, connecting pole and mounting post, the lower end of mounting post
Two symmetrical fork bodies are connected with, mounting post is co-axially inserted connection in connecting pole, foil gauge is provided with the fluting of mounting post upper end.
In tuning-fork type on-line densimeter in use, it generally requires insertion pipeline or tank interior, much time using
Impurity in medium is easily deposited in the surface of tuning fork, influences the vibration of tuning fork, causes the measurement result of tuning-fork type densitometer to be produced
Raw error, in the industrial production, cannot often stop production, and enterprise dismantles tuning fork densitometer when being typically chosen in production line parking
Get off to be cleaned, but dismounting, installation will also carry out debugging calibration repeatedly, operation is relatively complicated.
Utility model content
The purpose of this utility model is to provide a kind of direct insertion tuning fork densitometer, and it has the advantage that, it is not necessary to carries out
Dismounting, the installation repeated, more effective periodically gas/liquid can be carried out to the impurity adhered on the fork body of tuning fork and is rinsed so that
Pitch body and keep cleaning, reduce detection error.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of direct insertion tuning fork densitometer, outer cover, tuning fork component, there is one to be filled built with induction installation and detection for it
The mounting post put and the tuning fork below mounting post, the tuning fork include two symmetrical fork bodies；Connecting pole, one
End connection outer cover, the other end connect the mounting post；Ring flange, be threadedly connected on the connecting pole for on pipeline
Mounting flange is engaged, and has the cavity that confluxes for being communicated in extraneous high-pressure injection device in the ring flange；Also include cleaning dress
Put, the cleaning device includes the one of at least one gas/liquid jet pipe, wherein gas/liquid jet pipe set parallel to the connecting pole
Conflux cavity described in the connection of end, other end closing, and the gas/liquid jet pipe bottom offers multiple gas/liquids towards the fork body
Spray orifice.
By using above-mentioned technical proposal, direct insertion tuning fork densitometer is typically installed in the duct, afterwards by ring flange
By a series of debugging, calibration, still, during much time using, some impurity in medium can be attached to tuning fork
Fork body surface face, if cleaned not in time, contamination precipitation can be more and more, influence pitch body vibration frequency, cause to detect
As a result larger error be present, can be in the case where not dismantled to tuning-fork type densitometer by the gas/liquid jet pipe of setting
High-pressure jet, high pressure liquid spray actively are carried out to fork body, so as to which the impurity for pitching body surface face be cleaned so that impurity is not easy pitching
Body surface face precipitation is excessive so that fork body vibration frequency can accurately reflect velocity of medium so as to accurately be detected
As a result.
Preferably, the gas/liquid that the cavity that confluxes described at least one of connection is radially offered inside the ring flange is led to
Road, at least one gas/liquid passage connect the high-pressure injection device.
By using above-mentioned technical proposal, gases at high pressure or liquid can be driven into by external high pressure injection apparatus
Inside ring flange, gases at high pressure or liquid are by gas/liquid jet pipe to the fork body bottom for reaching tuning fork, highly pressurised liquid or gas
Directly fork body surface face is rinsed by gas/liquid spray orifice.
Preferably, the gas/liquid jet pipe is provided with one, the gas/liquid jet pipe is in the position connection higher than the fork body
There is arc breeches pipe, it is in semi-surrounding state that the both ends of arc breeches pipe extend to the both sides of fork body, and the end of the arc breeches pipe is downward
Extension is formed with the branch gas/liquid jet pipe parallel with gas/liquid jet pipe, and gas/liquid spray orifice on the branch gas/liquid jet pipe is towards the fork
The interior sidewall surface of body.
By using above-mentioned technical proposal, gases at high pressure or liquid flow downward by gas/liquid jet pipe, and pass through arc
Shape breeches pipe is shunted, and gas/liquid jet pipe and branch gas/liquid jet pipe three surround fork body in semi-surrounding state, can be under
The external wall of fork of trip and the internal face of two fork bodies are rinsed so that fork body surface face is in clean conditions, beneficial to detection
As a result accuracy.
Preferably, the gas/liquid jet pipe is provided with three, and including the first gas/liquid jet pipe, the first gas/liquid spray
Pipe be arranged at it is described fork body meet charge level side and install when positioned at medium flow direction downstream；Also include two second gas/liquids to spray
Pipe, two second gas/liquid jet pipes are oppositely arranged and are located on the axis of symmetry of two fork bodies, on the second gas/liquid jet pipe
Interior sidewall surface of the gas/liquid spray orifice towards fork body.
, can be directly to the external wall of fork in downstream using three gas/liquid jet pipes by using above-mentioned technical proposal
And the internal face of two fork body phases pair is rinsed so that fork body is maintained in the clean condition so that fork body can accurately reflect
Go out velocity of medium, improve the accuracy of testing result.
Preferably, the gas/liquid spray orifice is equidistantly arranged at intervals, the height that multiple gas/liquid spray orifices are formed is more than fork body
Length.
By using above-mentioned technical proposal, the height that each gas/liquid spray orifice is formed is more than fork body length, can be to pitching body wall
Face carries out comprehensive flushing, and blind spot occurs in wall.
Preferably, the bottom center of the ring flange is threaded with the boss of contact pipeline internal liquid, the gas/liquid
Conflux cavity described in jet pipe through boss connection.
By using above-mentioned technical proposal, the bottom surface of ring flange sets boss, the direct contact medium of boss, is so carrying out
During installation, the air-tightness of junction can be ensured, avoid the occurrence of gas leakage, the situation of leakage occurs, while boss is designed to
Effectively positioned, ensure that ring flange installation is at horizontality.
Preferably, the bottom of the connecting pole offers external screw thread, the end of the mounting post is offered for induction installation
And the standing groove that detection means is laid, internal thread, the connecting pole and installation male screw are offered on the internal face of standing groove
Coordinate.
By using above-mentioned technical proposal, connecting pole, using the split-type structural being threadedly coupled, can facilitate with mounting post
The induction installation and detection means of inside are overhauled.
Preferably, the connecting pole has been internally formed cavity, for connection induction installation and the signal wire of detection means
Access in outer cover.
In summary, the utility model has the advantages that：
1st, can together be entered using built-in gas/liquid jet pipe with tuning fork in pipeline, periodically to miscellaneous on the fork body of tuning fork
Matter carries out effective cleaning, ensures the cleaning in fork body surface face so that induction installation can accurately sense that fork body is rushed by medium
The change of vibration frequency, improves the degree of accuracy of testing result caused by hitting；
2nd, can be to pitching the internal face of body and the outer wall of downstream fork body using single tube bifurcated or three-pronged mode
Face carries out effective cleaning, and dead angle is not stayed in flushing；
3rd, fork body surface face is cleaned by using gases at high pressure and highly pressurised liquid two ways, ensures cleaning mode
Diversity and more preferable cleaning effect；
4th, connecting pole is docked with mounting post, boss with ring flange by the way of split type threaded connection, convenient
The service work in later stage.
Brief description of the drawings
Fig. 1 is the overall structure diagram of embodiment one；
Fig. 2 is the mounting structure schematic diagram of embodiment one；
Fig. 3 is the structural representation for implementing the tuning fork component in one；
Fig. 4 is the sectional view of embodiment one；
Fig. 5 is the upward view of embodiment one；
Fig. 6 is the overall structure diagram of embodiment two；
Fig. 7 is the upward view of embodiment two.
In figure, 1, outer cover；11st, display device；2nd, connecting pole；21st, threaded portion；22nd, external screw thread；3rd, tuning fork component；31st, pacify
Fill post；311st, standing groove；3111st, internal thread；32nd, tuning fork；321st, body is pitched；3211st, curved portions；3212nd, rake；33rd, signal
Line；4th, ring flange；41st, boss；42nd, conflux cavity；43rd, gas/liquid passage；5th, punching nut；6th, flusher；61st, gas/liquid is sprayed
Pipe；62nd, arc breeches pipe；63rd, branch gas/liquid jet pipe；64th, gas/liquid spray orifice；7th, the first gas-liquid jet pipe；71st, the second gas-liquid jet pipe；8、T
Shape pipeline；81st, mounting flange.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical accompanying drawing
Mark represents.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to
It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment one：A kind of direct insertion tuning fork densitometer, as shown in figure 1, including outer cover 1, outer cover is internally provided with display
Device 11, the lower end of outer cover are connected with connecting pole 2, and connecting pole lower end is connected with tuning fork component 3.
Specifically, display device 11 has touch display screen, the density data detected in real time can be shown, side
Just operating maintenance personnel are patrolled, recorded.The inner hollow of connecting pole 2, tuning fork component 3 and the signal wire 3 of display device 11（Such as
Shown in Fig. 3）Extended by connecting pole 2 in outer cover 1.
As shown in Figures 1 and 2, construction formed with threaded portion 21, is threaded with threaded portion 21 on the outer wall of connecting pole 2
Ring flange 4, for being docked in direct insertion installation with the mounting flange 81 on T-shaped pipeline 8, in order to ensure installation when
The air-tightness of T-shaped pipeline 8, the centrally under of ring flange 4 are threaded with a concentric boss 41, are carrying out installation docking
Afterwards, boss 41 should be in T-shaped pipeline 8.A punching nut 5 is provided with the top of ring flange 4 simultaneously, once pipeline is installed
, it is necessary to by 5 downward precession of punching nut with supported flange disk 4 after ready.
As shown in Fig. 1 and 3, tuning fork component 3 includes mounting post 31 and the tuning fork 32 positioned at the lower section of mounting post 31, mounting post
Standing groove 311 is offered inside 31, standing groove 311 is internally provided with induction installation and detection means, and art technology should
Know, the induction installation and detection means are piezo-electric crystal, and tuning fork 32 is shaken by one of piezo-electric crystal and caused
Dynamic, the frequency of vibration is detected by another piezo-electric crystal, and by phase shift amplifying circuit, fork body is stabilized in intrinsic humorous
On vibration frequency.Medium inside pipeline flows through tuning fork 32 because the change of mass of medium, cause the change of resonant frequency so as to
Calculate actual Media density.
It is configured with internal thread 3111 on the notch internal face of standing groove 311, the bottom construction of connecting pole 2 formed with matching somebody with somebody therewith
The external screw thread 22 of conjunction, the mode that mounting post 31 is connected through a screw thread screw with connecting pole 2.
Tuning fork 32 includes two symmetrical fork bodies 321, and fork body 321 is vertically fixed on the bottom surface of mounting post 31, pitches body 321
Outside wall surface formed with curved portions 3211, be unfavorable for the deposition of impurity, the bottom cutting of curved portions 3211 is formed with rake
3212, the rake 3212 is traditionally arranged to be 30 degree with vertical plane angulation.Fork body 321 can use stainless steel or titanium
Metal, it has higher anticorrosion antiwear performance, can adapt to a variety of media.
As best shown in figs. 1 and 4, in order to do not dismantle to fork body 321 clean, the plug-in type tuning fork densitometer is set
It is equipped with flusher 6.
Flusher 6 includes a gas/liquid jet pipe 61, and the quantity of gas/liquid jet pipe 61 is not limited only to one here certainly, should
Gas/liquid jet pipe 61 is set parallel to connecting pole.The inside of ring flange 4 offers the cavity 42 that confluxes of circle, and conflux cavity 42
Diameter is less than the diameter of boss 41.At least one gas/liquid passage 43 is radially offered inside ring flange 4, the gas/liquid passage
43 connect the cavity 42 that confluxes, and the connection of its other end is outside to be independently arranged high-pressure injection device, and high-pressure injection device can be here
High pressure nitrogen tank or highly pressurised liquid tank.Gas/liquid jet pipe is perpendicular to boss 41 and connects the cavity that confluxes inside ring flange 4
42。
The bottom end closure of the gas/liquid jet pipe 61 and bottom with pitching body 321 is in same horizontal line, its bottom is along length side
To some gas/liquid spray orifices 64 are offered, gas/liquid spray orifice 64 pitches arc of the back side to fork body 321 of body 321 towards one of them
Portion 3211 is rinsed, and the interval between highest and minimum two gas/liquid spray orifices 64 should be more than or equal to fork body 321
Height, so as to ensure rinse without blind spot.
In order to be rinsed to the internal face of two fork bodies 321, gas/liquid jet pipe 61 is contour with fork body 321 top
Position on be provided with arc breeches pipe 62, the semicircular in shape of arc breeches pipe 62 surrounds fork body 321（As shown in Figure 5）, its end to
Formed with two branch gas/liquid jet pipes 63 parallel to gas/liquid jet pipe 61, branch gas/liquid jet pipe 63 is in two fork bodies 321 for lower extension
The axis of symmetry on.Branch gas/liquid jet pipe 63 offers multiple gas/liquid spray orifices 64, and two branch gas/liquid jet pipes 63 on its tube wall
Gas/liquid spout 64 be respectively provided with certain gradient, the internal face of each piece fork body 321 of autoregistration.
When carrying out Pipe installing, using straight cutting mode, it is ensured that fork body 321 keeps plumbness with medium flow direction, can
Contamination precipitation in medium is reduced, while to ensure that gas/liquid jet pipe 61 is in the downstream of medium flow direction, such gas/liquid jet pipe 61
Medium will not be stopped, reflect normal velocity of medium so as to ensure to pitch the vibration frequency of body 321, reduce detection error.
Embodiment two：It is with the difference of embodiment one, as shown in Figures 6 and 7, gas/liquid jet pipe 61 is perpendicular to boss
Three are provided with, three gas/liquid jet pipes 61 are circumferentially distributed around the central axis of connecting pole 2, and the top of gas/liquid jet pipe 61 is upward
Extended to through boss 41 in the cavity 42 that confluxes, gas/liquid jet pipe 61 include a first gas/liquid jet pipe 7 and two second gas/
Liquid jet pipe 71, the first gas/liquid jet pipe 7 meet charge level positioned at fork body 321, and two second gas/liquid jet pipes 71 are symmetrical arranged and are in
On the axis of symmetry of two fork bodies 321, the bottom of the first gas/liquid jet pipe 7 and two second gas/liquid jet pipes 71 is along length side
To offering some gas/liquid spray orifices 64, the gas/liquid spray orifice 64 on the first gas/liquid jet pipe 7 towards fork body 321 curved portions 3211,
Gas/liquid spray orifice 64 on second gas/liquid jet pipe 71 has certain gradient, each towards the internal face of fork body 321.
From the point of view of the setting rinsed compared to the single bifurcated of gas/liquid jet pipe 61 of embodiment one, using three independent gas/liquids
Jet pipe 61 can bear more quick velocity of medium, and the anti-impact force of gas/liquid jet pipe 61 is stronger.
The utility model, can be to the impurity on fork body 321 by installing flusher 6 additional on direct insertion tuning fork densitometer
Carry out gas or liquid wash so that impurity is not easy the excessive deposition on fork body 321, keep the cleaning on fork body 321 surface from
And fork body 321 is enabled accurately to reflect velocity of medium to pitching the influence of the vibration frequency of body 321 and then improving testing result
The degree of accuracy.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of direct insertion tuning fork densitometer, including：
Outer cover（1）；
Tuning fork component（3）, it has one built with induction installation and the mounting post of detection means（31）And positioned at installation
Post（31）The tuning fork of lower section（32）, the tuning fork（32）Including two symmetrical fork bodies（321）；
Connecting pole（2）, its one end connection outer cover（1）, the other end connection mounting post（31）；
Ring flange（4）, it is threadedly connected to the connecting pole（2）On for T-shaped pipeline（8）On mounting flange（81）Match
Close, the ring flange（4）It is interior that there is the cavity that confluxes for being communicated in extraneous high-pressure injection device（42）；
Also include flusher（6）, the flusher（6）Including at least one parallel to the connecting pole（2）The gas of setting/
Liquid jet pipe（61）, wherein gas/liquid jet pipe（61）One end connection described in conflux cavity（42）, other end closing, the gas/liquid spray
Pipe（61）Bottom offers multiple towards the fork body（321）Gas/liquid spray orifice（64）.
2. direct insertion tuning fork densitometer as claimed in claim 1, it is characterised in that：
The ring flange（4）Inside radially offers the cavity that confluxes described at least one of connection（42）Gas/liquid passage
（43）, at least one gas/liquid passage（43）Connect the high-pressure injection device.
3. direct insertion tuning fork densitometer as claimed in claim 1, it is characterised in that：
The gas/liquid jet pipe（61）One is provided with, the gas/liquid jet pipe（61）Higher than the fork body（321）Position connect
It is connected to arc breeches pipe（62）, arc breeches pipe（62）Both ends to fork body（321）Both sides extension be in semi-surrounding state, the arc
Breeches pipe（62）End be downwardly extending and gas/liquid jet pipe（61）Parallel branch gas/liquid jet pipe（63）, the branch gas/liquid
Jet pipe（63）On gas/liquid spray orifice（64）Towards the fork body（321）Interior sidewall surface.
4. direct insertion tuning fork densitometer as claimed in claim 1, it is characterised in that：
The gas/liquid jet pipe（61）Three are provided with, including the first gas/liquid jet pipe（7）, the first gas/liquid jet pipe（7）
It is arranged at the fork body（321）Meet charge level side and install when positioned at medium flow direction downstream；
Also include two second gas/liquid jet pipes（71）, two second gas/liquid jet pipes（71）It is oppositely arranged and is located at two fork bodies
（321）The axis of symmetry on, the second gas/liquid jet pipe（71）On gas/liquid spray orifice（64）Towards fork body（321）Madial wall
Face.
5. the direct insertion tuning fork densitometer as described in claim 3 or 4, it is characterised in that：
The gas/liquid spray orifice（64）Equidistantly it is arranged at intervals, multiple gas/liquid spray orifices（64）The height formed is more than fork body
（321）Length.
6. direct insertion tuning fork densitometer as claimed in claim 1, it is characterised in that：
The ring flange（4）Bottom center be threaded with contact T-shaped pipeline（8）The boss of interior media（41）, the gas/
Liquid jet pipe（61）Through the boss（41）Conflux cavity described in connection（42）.
7. direct insertion tuning fork densitometer as claimed in claim 1, it is characterised in that：
The connecting pole（2）Bottom offer external screw thread（22）, the mounting post（31）End offer for induction installation
And the standing groove that detection means is laid（311）, standing groove（311）Internal face on offer internal thread（3111）, the company
Connect post（2）With mounting post（31）Screw thread coordinates.
8. direct insertion tuning fork densitometer as claimed in claim 6, it is characterised in that：
The connecting pole（2）Cavity is internally formed, for connection induction installation and the signal wire of detection means（33）Access
Outer cover（1）In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720826292.3U CN206920277U (en) | 2017-07-08 | 2017-07-08 | A kind of direct insertion tuning fork densitometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720826292.3U CN206920277U (en) | 2017-07-08 | 2017-07-08 | A kind of direct insertion tuning fork densitometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920277U true CN206920277U (en) | 2018-01-23 |
Family
ID=61335963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720826292.3U Expired - Fee Related CN206920277U (en) | 2017-07-08 | 2017-07-08 | A kind of direct insertion tuning fork densitometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920277U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211723A (en) * | 2017-07-08 | 2019-01-15 | 北京工标传感技术有限公司 | A kind of direct insertion tuning fork densitometer |
| DE102020121925A1 (en) | 2020-08-21 | 2022-02-24 | Vega Grieshaber Kg | Measuring device with device for disinfection and arrangement of such a measuring device on a container |
| CN114414432A (en) * | 2022-01-24 | 2022-04-29 | 深圳国检计量测试技术有限公司 | Efficient calibration device and method for vibrating densimeter |
-
2017
- 2017-07-08 CN CN201720826292.3U patent/CN206920277U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211723A (en) * | 2017-07-08 | 2019-01-15 | 北京工标传感技术有限公司 | A kind of direct insertion tuning fork densitometer |
| DE102020121925A1 (en) | 2020-08-21 | 2022-02-24 | Vega Grieshaber Kg | Measuring device with device for disinfection and arrangement of such a measuring device on a container |
| CN114414432A (en) * | 2022-01-24 | 2022-04-29 | 深圳国检计量测试技术有限公司 | Efficient calibration device and method for vibrating densimeter |
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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: 20180123 Termination date: 20210708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |