CN206321287U - A kind of ultrasonic flowmeter external clamping sensor - Google Patents
A kind of ultrasonic flowmeter external clamping sensor Download PDFInfo
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- CN206321287U CN206321287U CN201621472791.9U CN201621472791U CN206321287U CN 206321287 U CN206321287 U CN 206321287U CN 201621472791 U CN201621472791 U CN 201621472791U CN 206321287 U CN206321287 U CN 206321287U
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- wedge
- sound wedge
- sound
- external clamping
- ultrasonic flowmeter
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Abstract
The utility model is related to a kind of ultrasonic flowmeter external clamping sensor, including housing harmony wedge；The sound wedge is the cylindrical acoustic wedge that top edge carries flange；The housing is cuboid seal cavity, and cavity is divided into upper and lower cavity, and housing is divided into upper, middle and lower shell；Lower casing is provided with sound wedge accommodating chamber, and the flange of the sound wedge blocks the top edge of the sound wedge accommodating chamber, and the sound wedge bottom is with lower casing in same level.The utility model point trimaran design, sound wedge loads at the top of sound wedge accommodating chamber, by the spacing design of sound wedge and accommodating chamber, can prevent from coming off；During client's later stage wiring, upper casing only need to be opened, signal wire can be connected in upper cavity, original wiring of lower chamber will not be destroyed because of maloperation；In addition, the setting of T-shaped magnet can facilitate installation personnel when mounted first by sensor absorption on pipeline, then further selection steel wire rope or steel band install fixation.Encapsulating can reach classification of waterproof IP68 again after the utility model wiring.
Description
Technical field
The utility model is related to a kind of ultrasonic flowmeter sensor, more particularly to a kind of external clamping sensor.
Background technology
Ultrasonic flowmeter external clamping sensor is a kind of common sensor of ultrasonic flowmeter, with signal processing apparatus
Use cooperatively, measure the flow velocity of fluid.The general principle of ultrasonic sensor work is that a secondary ultrasonic sensor is respectively mounted
In the upstream and downstream of detected fluid, the surface of emissions of two ultrasonic sensors transmitting, return pulse signal in turn mutually relatively,
Signal processing apparatus calculates the stream of fluid by the difference of speed when measuring that ultrasonic pulse following current and adverse current are propagated between known distance
Speed.
Ultrasonic flowmeter external clamping sensor in the market is generally integral structure, includes housing, potsherd, sound
Wedge etc., sound wedge is installed into external clamping sensor, bonding connection by housing bottom, is needed when external clamping sensor is installed on tube wall
Smearing silicone grease is used for transmitting signal, therefore in the presence of the risk that sound wedge causes to come off by silicone grease adhesion when being dismantled after being measured, damages
Hinder sensor.It is bonded this mode incomplete there is also bonding, non-water-tight risk makes the reduction of sensor service life.Outer clip
Formula sensor mounting means is single, is not convenient to use.
The content of the invention
The utility model in order to solve problem above there is provided a kind of ultrasonic flowmeter external clamping sensor, its sound wedge with
Housing parts are spacing by structure, it is to avoid the risk that bonding is loosely brought leak, come off, it is ensured that the service life of sensor.
The technical solution of the utility model is：A kind of ultrasonic flowmeter external clamping sensor, including housing harmony wedge;
The sound wedge is the cylindrical acoustic wedge that top edge carries flange；
The housing is cuboid seal cavity, is made up of upper casing, middle shell and lower casing, and the upper casing is cuboid top surface,
Lower casing is cuboid bottom surface, and middle shell is the surrounding facade of cuboid；The seal cavity is divided into upper cavity and lower chamber, upper and lower
Cavity is separated by the binding post fixed plate being arranged in middle shell；The sound wedge is located in lower chamber；The binding post is consolidated
Fixed board is provided with terminal screw, and the thread part of the terminal screw is in upper cavity, and the pin portions of the binding post are worn
Dividing plate is crossed into the lower chamber, is connected with the signal wire of the sound wedge；
The lower casing has base plate harmony wedge accommodating chamber, and the sound wedge accommodating chamber is the inclination being arranged on plate inner surface
Circular cylindrical cavity, the flange of the sound wedge blocks the top edge of the sound wedge accommodating chamber, the sound wedge bottom and lower casing base plate
In same level.
Further, the quantity of the terminal screw is 3.
Further, the corner of the base plate is respectively provided with a screw thread hole position；The corner of the middle shell lower end respectively has one
Heavy platform, position is corresponding with the screw hole site on lower casing base plate, is screwed shell and lower casing in connection；
Further, fluid sealant is provided between the flange of the sound wedge and the top edge of the sound wedge accommodating chamber.
Further, the middle shell top side inwall carries snap-fit grooves, and the upper casing is provided with and institute in relevant position
State the corresponding buckle of snap-fit grooves；Opposite side inwall is provided with screw hole at the top of the middle shell, and the upper casing is on relevant position
Provided with screw hole, middle shell and upper casing are fixed by buckle, neck and screw；Mounting groove is provided with outside the upper casing.
Further, the sound wedge accommodating chamber both sides are additionally provided with magnet mounting hole, for installing T-shaped magnet.
Further, the mounting groove is three, and the mounting groove of both sides is steel wire rope mounting groove, can be by steel wire rope by outside
Clip-style sensor is arranged on pipeline, and middle mounting groove is steel band mounting groove, can be installed external clamping sensor by steel band
On pipeline.
Further, the slanted angle θ of the sound wedge is 30-50 °, and the angle is the cylindrical axis of sound wedge and level
The angle of line.
Using the beneficial effect of above scheme：Three bodies of ultrasonic flowmeter external clamping sensor of the present utility model point are set
Meter, the sound wedge loads at the top of sound wedge accommodating chamber, must be limited with the top edge institute use of sound wedge accommodating chamber by the flange of sound wedge
Position design, can prevent from coming off；Signal wire wiring and the wiring in client's later stage during production are separated, during client's wiring, only need to open
Signal wire, is connected on terminal screw by upper casing in the upper cavity, and original wiring of lower chamber will not be destroyed because of maloperation；Separately
Outside, the setting of T-shaped magnet can facilitate installation personnel when mounted first by sensor absorption on pipeline, then further
Select steel wire rope or steel band to install to fix.Encapsulating can reach classification of waterproof IP68 again after the utility model wiring.
Brief description of the drawings
Fig. 1 is the utility model overall schematic；
Fig. 2 is the A-A sectional views of the utility model front view；
Fig. 3 is Structure explosion diagram of the present utility model；
Fig. 4 is sound wedge schematic diagram of the present utility model；
Wherein, 1, lower casing；2nd, middle shell；3rd, upper casing；4th, sound wedge；5th, T-shaped magnet；6th, buckle；7th, terminal screw；8th, spiral shell is fastened
Silk；9th, mounting groove.
Embodiment
The utility model is described in further detail below by embodiment and with reference to accompanying drawing.
Embodiment 1
A kind of ultrasonic flowmeter external clamping sensor, including housing harmony wedge 4；
The sound wedge 4 is the cylindrical acoustic wedge that top edge carries flange, is bonded with transducer piece and the signal wire drawn, institute
The slanted angle θ for stating sound wedge 4 is 30 °, and the angle is the cylindrical axis of sound wedge and horizontal angle；
The housing is cuboid seal cavity, is made up of upper casing 3, middle shell 2 and lower casing 1, and the upper casing 3 is cuboid top
Face, lower casing 1 is cuboid bottom surface, and middle shell 2 is the surrounding facade of cuboid；The seal cavity is divided into upper cavity and lower chamber,
Upper and lower cavity is separated by the binding post fixed plate being arranged in middle shell；The sound wedge 4 is located in lower chamber；The wiring
Terminal fixing plate provided with 3 terminal screws, the thread part of the terminal screw 7 in upper cavity, the binding post
Pin portions enter the lower chamber through dividing plate, are connected with the signal wire of the sound wedge 4.
The lower casing has base plate harmony wedge accommodating chamber, and the corner of the base plate is respectively provided with a screw thread hole position；The sound
Wedge accommodating chamber is the inclined circular cylindrical cavity being arranged on plate inner surface, and the flange of the sound wedge 4, which blocks the sound wedge, to be held
Receive the top edge of chamber, and between be provided with fluid sealant；The sound wedge accommodating chamber both sides are additionally provided with magnet mounting hole, for installing T-shaped
Magnet 5；The bottom of sound wedge 4 is with lower casing base plate in same level.
The top side inwall of middle shell 2 carries snap-fit grooves, and the upper casing is provided with recessed with the buckle in relevant position
The corresponding buckle 6 of groove；The top opposite side inwall of middle shell 2 is provided with screw hole, and the upper casing 3 is provided with spiral shell on relevant position
Silk hole, is fixed middle shell 2 and upper casing 3 by buckle 6, snap-fit grooves and fastening screw 8；The corner of the lower end of middle shell 2 is each
There is a heavy platform, position is corresponding with the screw hole site on lower casing base plate, be screwed shell 2 and lower casing 1 in connection；Institute
State the outside of upper casing 2 and be provided with mounting groove 9；The mounting groove 9 is three, and the mounting groove 9 of both sides is steel wire rope mounting groove, can pass through steel
External clamping sensor is arranged on pipeline by cord, and middle mounting groove 9 is steel band mounting groove, can be passed external clamping by steel band
Sensor is arranged on pipeline.
Embodiment 2
A kind of ultrasonic flowmeter external clamping sensor, including housing harmony wedge 4；
The sound wedge 4 is the cylindrical acoustic wedge that top edge carries flange, is bonded with transducer piece and the signal wire drawn, institute
The slanted angle θ for stating sound wedge 4 is 50 °, and the angle is the cylindrical axis of sound wedge and horizontal angle；
The housing is cuboid seal cavity, is made up of upper casing 3, middle shell 2 and lower casing 1, and the upper casing 3 is cuboid top
Face, lower casing 1 is cuboid bottom surface, and middle shell 2 is the surrounding facade of cuboid；The seal cavity is divided into upper cavity and lower chamber,
Upper and lower cavity is separated by the binding post fixed plate being arranged in middle shell；The sound wedge 4 is located in lower chamber；The wiring
Terminal fixing plate provided with 3 terminal screws, the thread part of the terminal screw 7 in upper cavity, the binding post
Pin portions enter the lower chamber through dividing plate, are connected with the signal wire of the sound wedge 4.
The lower casing has base plate harmony wedge accommodating chamber, and the corner of the base plate is respectively provided with a screw thread hole position；The sound
Wedge accommodating chamber is the inclined circular cylindrical cavity being arranged on plate inner surface, and the flange of the sound wedge 4, which blocks the sound wedge, to be held
Receive the top edge of chamber, and between be provided with fluid sealant；The sound wedge accommodating chamber both sides are additionally provided with magnet mounting hole, for installing T-shaped
Magnet 5；The bottom of sound wedge 4 is with lower casing base plate in same level.
The top side inwall of middle shell 2 carries snap-fit grooves, and the upper casing is provided with recessed with the buckle in relevant position
The corresponding buckle 6 of groove；The top opposite side inwall of middle shell 2 is provided with screw hole, and the upper casing 3 is provided with spiral shell on relevant position
Silk hole, is fixed middle shell 2 and upper casing 3 by buckle 6, snap-fit grooves and fastening screw 8；The corner of the lower end of middle shell 2 is each
There is a heavy platform, position is corresponding with the screw hole site on lower casing base plate, be screwed shell 2 and lower casing 1 in connection；Institute
State the outside of upper casing 2 and be provided with mounting groove 9；The mounting groove 9 is three, and the mounting groove 9 of both sides is steel wire rope mounting groove, can pass through steel
External clamping sensor is arranged on pipeline by cord, and middle mounting groove 9 is steel band mounting groove, can be passed external clamping by steel band
Sensor is arranged on pipeline.
Embodiment 3
A kind of ultrasonic flowmeter external clamping sensor, including housing harmony wedge 4；
The sound wedge 4 is the cylindrical acoustic wedge that top edge carries flange, is bonded with transducer piece and the signal wire drawn, institute
The slanted angle θ for stating sound wedge 4 is 48 °, and the angle is the cylindrical axis of sound wedge and horizontal angle；
The housing is cuboid seal cavity, is made up of upper casing 3, middle shell 2 and lower casing 1, and the upper casing 3 is cuboid top
Face, lower casing 1 is cuboid bottom surface, and middle shell 2 is the surrounding facade of cuboid；The seal cavity is divided into upper cavity and lower chamber,
Upper and lower cavity is separated by the binding post fixed plate being arranged in middle shell；The sound wedge 4 is located in lower chamber；The wiring
Terminal fixing plate provided with 3 terminal screws, the thread part of the terminal screw 7 in upper cavity, the binding post
Pin portions enter the lower chamber through dividing plate, are connected with the signal wire of the sound wedge 4.
The lower casing has base plate harmony wedge accommodating chamber, and the corner of the base plate is respectively provided with a screw thread hole position；The sound
Wedge accommodating chamber is the inclined circular cylindrical cavity being arranged on plate inner surface, and the flange of the sound wedge 4, which blocks the sound wedge, to be held
Receive the top edge of chamber, and between be provided with fluid sealant；The sound wedge accommodating chamber both sides are additionally provided with magnet mounting hole, for installing T-shaped
Magnet 5；The bottom of sound wedge 4 is with lower casing base plate in same level.
The top side inwall of middle shell 2 carries snap-fit grooves, and the upper casing is provided with recessed with the buckle in relevant position
The corresponding buckle 6 of groove；The top opposite side inwall of middle shell 2 is provided with screw hole, and the upper casing 3 is provided with spiral shell on relevant position
Silk hole, is fixed middle shell 2 and upper casing 3 by buckle 6, snap-fit grooves and fastening screw 8；The corner of the lower end of middle shell 2 is each
There is a heavy platform, position is corresponding with the screw hole site on lower casing base plate, be screwed shell 2 and lower casing 1 in connection；Institute
State the outside of upper casing 2 and be provided with mounting groove 9；The mounting groove 9 is three, and the mounting groove 9 of both sides is steel wire rope mounting groove, can pass through steel
External clamping sensor is arranged on pipeline by cord, and middle mounting groove 9 is steel band mounting groove, can be passed external clamping by steel band
Sensor is arranged on pipeline.
Claims (9)
1. a kind of ultrasonic flowmeter external clamping sensor, including housing harmony wedge；
The sound wedge is the cylindrical acoustic wedge that top edge carries flange；
The housing is cuboid seal cavity, is made up of upper casing, middle shell and lower casing, and the upper casing is cuboid top surface, lower casing
For cuboid bottom surface, middle shell is the surrounding facade of cuboid；The seal cavity is divided into upper cavity and lower chamber, upper and lower cavity
Separated by the binding post fixed plate being arranged in middle shell；The sound wedge is located in lower chamber；The binding post fixed plate
Be provided with terminal screw, the thread part of the terminal screw in upper cavity, the pin portions of the binding post pass through every
Plate enters the lower chamber, is connected with the signal wire of the sound wedge；
The lower casing has base plate harmony wedge accommodating chamber, and the sound wedge accommodating chamber is the inclined circle being arranged on plate inner surface
Cylindrical chamber, the flange of the sound wedge blocks the top edge of the sound wedge accommodating chamber, and the sound wedge bottom is with lower casing base plate same
On one horizontal plane.
2. a kind of ultrasonic flowmeter external clamping sensor as claimed in claim 1, it is characterised in that the terminal screw
Quantity is 3.
3. a kind of ultrasonic flowmeter external clamping sensor as claimed in claim 1, it is characterised in that the corner of the base plate
A screw thread hole position is respectively provided with, respectively there are a heavy platform, position and the screw hole position on lower casing base plate in the corner of the middle shell lower end
Put corresponding, be screwed shell and lower casing in connection.
4. a kind of ultrasonic flowmeter external clamping sensor as claimed in claim 1, it is characterised in that the flange of the sound wedge
Fluid sealant is provided between the top edge of the sound wedge accommodating chamber.
5. a kind of ultrasonic flowmeter external clamping sensor as claimed in claim 1, it is characterised in that one at the top of the middle shell
Side inwall carries snap-fit grooves, and the upper casing is provided with the buckle corresponding with the snap-fit grooves in relevant position；The middle shell
Top opposite side inwall is provided with screw hole, and the upper casing is provided with screw hole on relevant position, passes through buckle, neck and screw
Middle shell and upper casing are fixed；Mounting groove is provided with outside the upper casing.
6. a kind of ultrasonic flowmeter external clamping sensor as claimed in claim 5, it is characterised in that the mounting groove is three
It is individual.
7. a kind of ultrasonic flowmeter external clamping sensor as claimed in any one of claims 1 to 6, it is characterised in that described
Sound wedge accommodating chamber both sides are additionally provided with magnet mounting hole, the magnet mounting hole and are provided with T-shaped magnet.
8. a kind of ultrasonic flowmeter external clamping sensor as claimed in claim 7, it is characterised in that the inclination of the sound wedge
Angle theta is 30-50 °.
9. a kind of ultrasonic flowmeter external clamping sensor as claimed in claim 8, it is characterised in that the inclination of the sound wedge
Angle theta is 48 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472791.9U CN206321287U (en) | 2016-12-30 | 2016-12-30 | A kind of ultrasonic flowmeter external clamping sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472791.9U CN206321287U (en) | 2016-12-30 | 2016-12-30 | A kind of ultrasonic flowmeter external clamping sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321287U true CN206321287U (en) | 2017-07-11 |
Family
ID=59260539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621472791.9U Active CN206321287U (en) | 2016-12-30 | 2016-12-30 | A kind of ultrasonic flowmeter external clamping sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206321287U (en) |
-
2016
- 2016-12-30 CN CN201621472791.9U patent/CN206321287U/en active Active
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