CN207881774U - A kind of quadrophonic ultrasonic flowmeter - Google Patents
A kind of quadrophonic ultrasonic flowmeter Download PDFInfo
- Publication number
- CN207881774U CN207881774U CN201820231545.7U CN201820231545U CN207881774U CN 207881774 U CN207881774 U CN 207881774U CN 201820231545 U CN201820231545 U CN 201820231545U CN 207881774 U CN207881774 U CN 207881774U
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- mounting hole
- sleeve
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- ultrasonic transducer
- quadrophonic
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Abstract
The utility model discloses a kind of quadrophonic ultrasonic flowmeters, including gauge outfit and base body；Gauge outfit includes shell and connecting seat, and mounting hole is provided on base body；Bolt hole and sensor mounting hole are provided in fitting groove；Ultrasonic transducer is fixed on by limit assembly in mounting hole；Limit assembly includes second sleeve and locking cap, and ultrasonic transducer is fixed in second sleeve；Erosion resistant coating is provided on the inner wall of gas passage, the inside of locking cap has internal thread, and the guide part periphery of the upper end of second sleeve is provided with corresponding external screw thread.The utility model improves the mounting means of ultrasonic transducer by gauge outfit display data, is switched configured with control button and setting so that installing and dismounting is easier when ultrasonic transducer is fixed on pedestal, with good stability.
Description
Technical field
The utility model is related to flowmeter technology fields, and in particular to arrive a kind of quadrophonic ultrasonic flowmeter.
Background technology
Ultrasonic flowmeter is to the effect of supersonic beam (or ultrasonic pulse) by detection gas flowing to measure the instrument of flow
Table can be divided into propagation speed differential method (direct time difference method, time difference method, phase difference according to the principle ultrasonic flowmeter to signal detection
Method and frequency-difference method), beam deviation method, Doppler method, cross-correlation method, space filter method and Noise Method etc..Gas based on ultrasound is examined
Surveying device has a various features, such as unique signal digital processing technology, makes that instrument measurement signal is more stable, anti-interference energy
Power is strong, metering is more acurrate.No mechanical transmission component is less likely to be damaged, is non-maintaining, long lifespan.Circuit is more optimized, integrated level is high, work(
Consume that low, reliability is high.Intellectualized standard signal exports, and man-machine interface close friend, the output of a variety of secondary singals are arbitrarily selected for you.
It is economical convenient that pipeline section type pipe with small pipe diameter measures, high certainty of measurement.As one kind of flowmeter, ultrasonic flowmeter utilizes gas flowing pair
The effect of ultrasonic pulse may be implemented to measure the dynamic of gas flow, flow velocity, be widely used in the detection of industrial gasses, especially
Very crucial effect is played during gas metering.
Ultrasonic flowmeter includes gauge outfit part and base part, and gauge outfit part is internally provided with controller.Display etc. is even
Circuit is connect, base part is the part directly being connect with pipeline, needs to assemble corresponding sensor or probe thereon, these inspections
The survey collected signal of element, which is transferred to by electric wire in the controller in gauge outfit, to be shown.Controller is generally fixed to PCB
It on plate, is connect with ultrasonic transducer or other sensors, carries output interface.
Utility model content
The purpose of this utility model is to provide a kind of quadrophonic ultrasonic flowmeter.
In order to achieve the above object, providing a kind of quadrophonic ultrasonic flowmeter in one embodiment of the utility model, wrap
Include gauge outfit and base body；
The gauge outfit includes shell and the connecting seat that is arranged below shell；
The front of the shell is provided with display window, and transparent window plate is packaged on display window；Back side of shell is
Opening, and configured with back shroud for sealing opening；Be provided on the shell control button, protection ground connection ear, aviation plug,
Calibrating signal out connector and detection signal output connector；The inner hollow of the connecting seat, lower end are configured with and are used for
The bolt hole being installed in fitting groove；
The inside of base body has gas passage, is provided at both ends with ring flange, installation sealing ring is provided on ring flange
Pad slot and bolt hole；
Four groups of mounting holes for installing ultrasonic transducer are provided on base body, the upper surface of base body is provided with
Fitting groove for being connect with ultrasonic flowmeter gauge outfit；The inside of mounting hole has step, and connection is provided on the outside of upper end
The outlet hole of mounting hole and fitting groove；
Bolt hole and the sensor mounting hole for installing sensor are provided in fitting groove；Sensor mounting hole includes
The first mounting hole for installing pressure sensor and it is used for temperature sensor mounted second mounting hole；First mounting hole
Upper end has limited step, and limited step upper inner wall is provided with internal thread；
Ultrasonic transducer is fixed on by limit assembly in mounting hole；Limit assembly includes second sleeve and locking cap,
Ultrasonic transducer is fixed in second sleeve；
The bulge loop of second sleeve is placed on step and stretches into depth for limit ultrasonic transducer；On the step of mounting hole
There is internal thread, external screw thread and the screw-internal thread fit of locking cap second sleeve to be fixed in mounting hole in square region；Second sleeve
Bulge loop be equipped with sealing ring, the upper end of second sleeve has guide part, has inside the lower end of locking cap and guide part coordinates
Cavity；The top of locking cap is provided with the circular hole for coordinating with mounting and dismounting tool；It is provided with cable-through hole on locking cap, surpasses
The electric wire of sonic transducer is pierced by mounting hole after passing through cable-through hole out of mounting hole edge outlet hole；
Erosion resistant coating is provided on the inner wall of gas passage, the inside of locking cap has internal thread, the upper end of second sleeve
Guide part periphery is provided with corresponding external screw thread.
Preferably, pressure sensor is assemblied in by fixation kit in the first mounting hole, and temperature sensor passes through fixed group
Part is assemblied in the second mounting hole；Fixation kit includes sleeve and sleeve is limited in the sealing cap in the first mounting hole；Sleeve
Middle part have bulge loop, bulge loop be arranged on limited step；The outside of sealing cap is provided with and screw-internal thread fit above limited step
External screw thread, sealing cap lower end is contacted with bulge loop makes it fix；The inside of sealing cap has sealing cap cable-through hole.
Preferably, it is provided with sealing ring on the bulge loop of sleeve.
Preferably, a diameter of 25mm ~ 1000mm of gas passage.
Preferably, the front and back being arranged on base body is respectively provided with there are four mounting hole.
Preferably, it is provided with sealing ring on limited step.
Preferably, gasket is configured in fitting groove.
Preferably, the angle of ultrasonic transducer and base axis is 30 degree ~ 60 degree, and offset distance is not more than 0.4D, wherein being located at a
It is not more than 0.2D with two ultrasonic transducer offset distances of the positions d, two ultrasonic transducer offset distances positioned at the positions b and c are not more than
0.4D, offset distance refer to the vertical range of the installation site distance center line of ultrasonic transducer in cross-section, and D indicates diameter.Tool
Body, ultrasonic transducer can be centrally located line up and down both sides, upper and lower both sides can be respectively set ultrasound emission probe or
Person's ultrasonic reception is popped one's head in.
The ultrasonic transducer of this patent is a kind of ultrasonic probe.
Preferably, the outside of bolt hole is provided with ring-type concave, and washer is provided in ring-type concave.
In conclusion the utility model has the following advantages：
Erosion resistant coating is arranged in the gas flow of the utility model, can obtain better anti-corrosion effect, at the same to bolt hole into
It has gone optimization, the screw head of connection can be convenient for submerge in ring-type concave, will not directly protruded outside pedestal, it is more flat
It is whole.
The utility model is improved by the mounting means to ultrasonic transducer so that ultrasonic transducer is fixed on base
Installing and dismounting is easier when seat, while the angle and spacing of ultrasonic transducer and base axis optimize, can not be by not
Influence with operating modes such as gas and flow velocitys to precision of popping one's head in, it is with good stability.
Description of the drawings
Fig. 1 is the appearance schematic diagram of the utility model one embodiment pedestal；
Fig. 2 is the schematic diagram of the utility model one embodiment gauge outfit；
Fig. 3 is the distribution schematic diagram of mounting hole in the utility model one embodiment；
Fig. 4 is the vertical view in fitting groove region in the utility model one embodiment；
Fig. 5 is the installation diagram of the utility model one embodiment middle sleeve and sealing cap；
Fig. 6 is the installation diagram of second sleeve and locking cap in the utility model one embodiment.
Wherein, 1, base body；2, gas passage；3, ring flange；4, slot is padded；5, mounting hole；6, fitting groove；7, bolt
Hole；8, outlet hole；9, the first mounting hole；10, limited step；11, sleeve；12, sealing cap；13, bulge loop；14, seal groove；15, it seals
Cap cable-through hole；16, the second mounting hole；17, step；20 second sleeves；21, locking cap；22, bulge loop；23, sealing ring；24, it is oriented to
Portion；25, circular hole；26, cable-through hole；30 gauge outfits；31, shell；32, connecting seat；33, display window；34, back shroud；35, control is pressed
Button；36, calibrating signal out connector；37, signal output connector is detected；38, aviation plug.
Specific implementation mode
The utility model provides a kind of quadraphonic ultrasonic flowmeter, including gauge outfit 30 and base body；Gauge outfit includes shell
Body 31 and the connecting seat 32 being arranged below shell.The shell and connecting seat of gauge outfit can rotatably be connected, that is, connect
Seat can rotate freely on shell, and the angle preferably rotated is 350 degree.The front of shell is provided with display window 33, display
The window's position can install display, and transparent window plate is packaged on display window.Back side of shell is opening, and after being configured with
Cover board 34 is for sealing opening.Control button 35, protection ground connection ear, aviation plug 38, calibrating signal output are provided on shell
Connector 36 and detection signal output connector 37, control button are switched for controlling, and two signal output connectors are one
A connectivity port, for being transferred to the external world with the processor signal being arranged in gauge outfit.The back side of gauge outfit can be arranged one and set
Switch is set, is attached by wiring board with the controller inside gauge outfit, can be used for must be turned on this when important parameter is arranged
Setting switch can be arranged, such as instrument coefficient, and then show corresponding informance, and return is needed after being provided with, otherwise can one
Straight display reminding information.
The inner hollow of connecting seat, lower end is configured with the bolt hole for being installed in fitting groove.Aviation plug connects
The electromechanical compo of electric wiring is connect, external equipment can be convenient for be directly accessed system inside ultrasonic flowmeter by aviation plug
System obtains relevant information or parameter.Protection ground connection ear is being not shown in figure, and may be used existing with annulus connecting hole
It is grounded ear, annulus connecting hole, which can be used for realizing with ground wire connection, excludes electrostatic etc..
It is provided with lead seal hole on the back shroud at the shell back of gauge outfit, convenient for stamping lead sealing, gauge outfit is with regard to nothing after stamping lead sealing
Method is opened, it is ensured that the button for arrange parameter installed inside flowmeter will not be used that parameter is caused to be changed.Gauge outfit shell
Internal portion is provided with display screen at the position of transparent window plate, and display screen front uses segment code type liquid crystal display and dot matrix liquid
Crystalline substance screen combines the mode of display, can accurately show the various letters such as total amount, operating mode flow, temperature, pressure, Chinese warning message
Breath.
The inside of base body has gas passage 2, and gas passage is generally in cylindrical, the preferably diameter of gas passage
For DN25mm ~ 1000mm.Base body is provided at both ends with ring flange 3, and ring flange is the basis that base body is connect with pipeline,
The pad slot 4 and bolt hole of installation sealing ring are provided on ring flange；Ring flange is generally also configured on pipeline, the two passes through
Bolt cooperation is connected and sealed.
Four groups are provided on base body for installing the mounting holes 5 of ultrasonic transducer, mounting hole 5 is directly and gas passage
2 communicate, and the ultrasonic transducer of installation is flushed with the inner wall of gas passage.It is preferred that the front and back being arranged on base body is all provided with
The angle of mounting hole there are four setting, ultrasonic transducer and base axis is 30 degree ~ 60 degree, and offset distance is not more than 0.4D, wherein being located at a
It is not more than 0.2D with two ultrasonic transducer offset distances of the positions d, two ultrasonic transducer offset distances positioned at the positions b and c are not more than
0.4D, offset distance refer to the vertical range of the installation site distance center line of ultrasonic transducer in cross-section, and D indicates diameter.It is super
Sonic transducer includes ultrasound emission probe and receiving transducer, and the ultrasound that transmitting probe is launched is received probe after gas and connects
Signal is received, therefore transmitting probe and receiving transducer need to be separately positioned on pedestal both sides, two central axis are the same as always
On line, convenient for receiving signal.
The upper surface of base body is provided with the fitting groove 6 for being connect with ultrasonic flowmeter gauge outfit；Setting in fitting groove
There are bolt hole 7 and gasket；Corresponding position is also equipped with bolt hole in gauge outfit, and the lower end of gauge outfit is placed in fitting groove, and is made
The two is connected with bolt.
The inside of mounting hole has step 17, and outlet hole 8, outlet hole connection installation are provided on the outside of the upper end of mounting hole 5
Hole and fitting groove；The effect of outlet hole is：The electric wire of ultrasonic transducer can be reached by outlet hole in fitting groove, and dress is passed through
It can be attached with the controller of gauge outfit part after slot allocation.
The inside of fitting groove has the sensor mounting hole communicated with gas passage；Sensor mounting hole includes for installing
First mounting hole of pressure sensor and be used for temperature sensor mounted second mounting hole 16.The upper end of first mounting hole has
There is limited step 10, limited step upper inner wall is provided with internal thread, and also configures sealing ring and strengthen sealing effect.
Pressure sensor is assemblied in by fixation kit in the first mounting hole, and temperature sensor is assemblied in by fixation kit
In second mounting hole；Fixation kit includes sleeve 11 and the sealing cap 12 by 11 system of sleeve limit in the first mounting hole 9.Sleeve
There is bulge loop 13, bulge loop to be arranged on limited step 10 at middle part, be provided with sealing ring on limited step between sleeve.Sealing cap
Outside is provided with the external screw thread with screw-internal thread fit above limited step, and sealing cap lower end is contacted with bulge loop makes it fix；Sealing cap
Inside has sealing cap cable-through hole.
For sensor firstly the need of being embedded in sleeve, the two interference fit or setting pin hole coordinate pin realization closely to connect
It connects.The bulge loop 13 of sleeve is arranged on limited step 10 so that sleeve will not move down so that the fitting depth of sensor carries out
Control.The upper end of sealing cap can be the hexagonal (hexagon)nut with hole.After bulge loop is placed on limited step, sealing cap is tightened
Its lower end is set to squeeze bulge loop, allowing bulge loop to be fixed on limited step will not move axially；It, can be in order to improve sealing performance
Seal groove 14 is set on bulge loop, configures a sealing ring.Due to being configured with circuit on sensor, circuit extends out of sleeve
By the sealing cap cable-through hole 15 of the inside of sealing cap after coming, you can to reach in fitting groove, and then gauge outfit and other electricity can be entered
Device element is attached.
Ultrasonic transducer is fixed on by limit assembly in mounting hole；Limit assembly includes second sleeve 20 and locking cap
21, ultrasonic transducer is fixed in second sleeve.Such as pin hole can be provided in second sleeve, ultrasonic transducer can be with interference
Installation by adhering can be reinforced additionally using pin in second sleeve.
The inside tool of mounting hole is lower end or bottom end close to the part of base interior there are one step 17, step.Step
The internal diameter of lower end is less than upper-end inner diameter.Bulge loop 22 in the middle part of second sleeve is placed on step for limiting stretching for ultrasonic transducer
Enter depth；There is internal thread, the external screw thread of locking cap to be fixed on second sleeve with screw-internal thread fit above the step of mounting hole
In mounting hole.When installing ultrasonic transducer, need to be embedded into mounting hole after ultrasonic transducer is mounted on second sleeve in advance
Interior, the two can be interference fit so that probe can be stably mounted in mounting hole.The upper end of second sleeve is fixed
The extruding of cap makes itself limit between step and locking cap, and the compression degree by adjusting locking cap can control second set
The stress degree of cylinder.
In addition, the utility model is further preferably provided with capping on the outside of locking cap；Capping may be used interference fit or
Thread connecting mode is arranged in mounting hole outermost end, i.e., installs capping again after installing locking cap.Capping can by locking cap with
And mounting hole is isolated from the outside completely, and gap of the circuit of ultrasonic transducer between capping and locking cap enters outlet
Hole.
Further, in order to improve whole sealing water resistance, it is provided with sealing ring on the step of mounting hole, this is close
Seal contacts realization sealing with the bulge loop lower wall of second sleeve.
It is provided with mounting groove on the bulge loop of second sleeve, sealing ring 23 is disposed in mounting groove, 2 sealing rings can be set
23, sealing ring can strengthen the sealing performance after the installation of installation ultrasonic transducer.The upper end of second sleeve has guide part, Gu
Determine that there is the cavity coordinated with guide part 24 inside the lower end of cap；Guide part can be a circular cylinder shaped portion, and guide part is advantageous
In the quick assembling with locking cap, it is also beneficial to place to connect between second sleeve and locking cap and deviates；It simultaneously can be with
The compression distance etc. of locking cap is set according to the height of guide part.The top of locking cap, which is provided with, to be used for and mounting and dismounting tool
The circular hole 25 of cooperation, this circular hole can coordinate conducive to pliers either the tools such as clip convenient for control locking cap tighten or beat
It opens, it is easy to operation.
Cable-through hole 26 is provided on locking cap, the electric wire of ultrasonic transducer passes through going out from mounting hole edge after cable-through hole
Mounting hole is pierced by string holes so that electric wire can be connect with external electrical equipment, and the signal detected is transferred to controller.
It is provided with erosion resistant coating on the inner wall of the gas passage of the utility model, the inside of locking cap has an internal thread, and second
The guide part periphery of the upper end of sleeve is provided with corresponding external screw thread.When the screw-internal thread fit of the external screw thread of locking cap and mounting hole
The internal thread of locking cap will coordinate with the external screw thread of guide part so that the fixation of locking cap and second sleeve is more stablized.
Although being described in detail to specific embodiment of the present utility model in conjunction with attached drawing, should not be construed as pair
The restriction of the protection domain of this patent.In range described by claims, those skilled in the art are without creative labor
The dynamic various modifications that can be made and deformation still belong to the protection domain of this patent.
Claims (6)
1. a kind of quadrophonic ultrasonic flowmeter, it is characterised in that：Including gauge outfit and base body；
The gauge outfit includes shell and the connecting seat that is arranged below shell；
The front of the shell is provided with display window, and transparent window plate is packaged on display window；Back side of shell is opening,
And configured with back shroud for sealing opening；Control button, protection ground connection ear, aviation plug, calibrating are provided on the shell
Signal output connector and detection signal output connector；The inner hollow of the connecting seat, lower end be configured with for by its
Bolt hole in fitting groove；
The inside of the base body has gas passage, is provided at both ends with ring flange, and it is close that installation is provided on the ring flange
The pad slot and bolt hole of seal；
Four groups of mounting holes for installing ultrasonic transducer are provided on the base body, the upper surface of base body is provided with
Fitting groove for being connect with ultrasonic flowmeter gauge outfit；The inside of the mounting hole has step, and is provided on the outside of upper end
It is connected to the outlet hole of mounting hole and fitting groove；
Bolt hole and the sensor mounting hole for installing sensor are provided in the fitting groove；The sensor mounting hole
Include the first mounting hole for installing pressure sensor and is used for temperature sensor mounted second mounting hole；Described first
The upper end of mounting hole has limited step, and limited step upper inner wall is provided with internal thread；
The ultrasonic transducer is fixed on by limit assembly in mounting hole；The limit assembly includes second sleeve and fixation
Cap, ultrasonic transducer are fixed in second sleeve；
The bulge loop of second sleeve is placed on step and stretches into depth for limit ultrasonic transducer；On the step of the mounting hole
There is internal thread, external screw thread and the screw-internal thread fit of locking cap second sleeve to be fixed in mounting hole in square region；Described second
The bulge loop of sleeve is equipped with sealing ring, and the upper end of the second sleeve has guide part, has and lead inside the lower end of locking cap
The cavity coordinated to portion；The top of the locking cap is provided with the circular hole for coordinating with mounting and dismounting tool；The locking cap
On be provided with cable-through hole, the electric wire of ultrasonic transducer is pierced by installation after passing through cable-through hole out of mounting hole edge outlet hole
Hole；
Be provided with erosion resistant coating on the inner wall of the gas passage, the inside of the locking cap has an internal thread, second sleeve it is upper
The guide part periphery at end is provided with corresponding external screw thread.
2. quadrophonic ultrasonic flowmeter as described in claim 1, it is characterised in that：The pressure sensor passes through fixed group
Part is assemblied in the first mounting hole, and temperature sensor is assemblied in by fixation kit in the second mounting hole；The fixation kit packet
It includes sleeve and sleeve is limited in the sealing cap in the first mounting hole；The middle part of the sleeve has bulge loop, the bulge loop setting
On limited step；The outside of the sealing cap be provided with limited step above screw-internal thread fit external screw thread, sealing cap lower end with
Bulge loop contact makes it fix；The inside of the sealing cap has sealing cap cable-through hole.
3. quadrophonic ultrasonic flowmeter as claimed in claim 2, it is characterised in that：It is provided on the bulge loop of the sleeve close
Seal.
4. quadrophonic ultrasonic flowmeter as described in claim 1, it is characterised in that：A diameter of 25mm of the gas passage
~1000mm.
5. quadrophonic ultrasonic flowmeter as described in claim 1, it is characterised in that：The front being arranged on the base body
It is respectively provided with there are four mounting hole with the back side.
6. quadrophonic ultrasonic flowmeter as described in claim 1, it is characterised in that：Sealing is provided on the limited step
Circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820231545.7U CN207881774U (en) | 2018-02-09 | 2018-02-09 | A kind of quadrophonic ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820231545.7U CN207881774U (en) | 2018-02-09 | 2018-02-09 | A kind of quadrophonic ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207881774U true CN207881774U (en) | 2018-09-18 |
Family
ID=63498317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820231545.7U Active CN207881774U (en) | 2018-02-09 | 2018-02-09 | A kind of quadrophonic ultrasonic flowmeter |
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| Country | Link |
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| CN (1) | CN207881774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431049A (en) * | 2022-08-11 | 2022-12-06 | 曹佳岩 | Waterproof flow meter and processing device thereof |
-
2018
- 2018-02-09 CN CN201820231545.7U patent/CN207881774U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431049A (en) * | 2022-08-11 | 2022-12-06 | 曹佳岩 | Waterproof flow meter and processing device thereof |
| CN115431049B (en) * | 2022-08-11 | 2024-04-09 | 天津迅尔科技股份有限公司 | Waterproof flowmeter and processing device thereof |
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