CN206959927U - A kind of layout structure of two-channel probe - Google Patents
A kind of layout structure of two-channel probe Download PDFInfo
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- CN206959927U CN206959927U CN201720475018.6U CN201720475018U CN206959927U CN 206959927 U CN206959927 U CN 206959927U CN 201720475018 U CN201720475018 U CN 201720475018U CN 206959927 U CN206959927 U CN 206959927U
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- sleeve
- locking cap
- ultrasonic probe
- mounting hole
- pedestal
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Abstract
The utility model discloses a kind of layout structure of two-channel probe, including pedestal and the sleeve for installing ultrasonic probe；Pedestal is provided with two groups of mounting holes, and every group of mounting hole is distributed in the mounting hole of base axis both sides including two, and is configured with locking cap and sleeve is fixed in mounting hole；The angle of ultrasonic probe and base axis is 35 degree ~ 55 degree, and offset distance diameter ratio is 0.1D ~ 0.15D.The utility model is by being improved the mounting means of ultrasonic probe, so that installing/dismounting is easier when ultrasonic probe is fixed on pedestal, the angle and spacing of ultrasonic probe and base axis optimize simultaneously, probe precision can not be influenceed by operating modes such as gas with various and flow velocitys, there is good stability.
Description
Technical field
It the utility model is related to detection measuring equipment technical field, and in particular to a kind of layout knot of two-channel probe
Structure.
Background technology
Ultrasonic flowmeter is with the instrument of measurement stream amount by effect of the detection gas flowing to supersonic beam (or ultrasonic pulse)
Table, propagation speed differential method (direct time difference method, time difference method, phase difference can be divided into 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 accurate.It is less likely to be damaged without mechanical transmission component, non-maintaining, long lifespan.Circuit more optimizes, integrated level is high, work(
Consume that low, reliability is high.Intellectualized standard signal output, man-machine interface is friendly, the output of a variety of secondary singals, is arbitrarily selected for you.
Pipeline section type pipe with small pipe diameter measures economy conveniently, and measurement accuracy is high.
As one kind of flowmeter, the effect that ultrasonic flowmeter is flowed to ultrasonic pulse using gas can be realized to gas
The dynamic measurement of flow, flow velocity, is widely used in the fields such as agricultural, waterpower and electric power.
The mounting means of ultrasonic probe has certain influence on measurement accuracy in ultrasonic flowmeter, ultrasonic in the prior art
Mounting means of popping one's head in is more random, there is larger error to measurement result.
Utility model content
The purpose of this utility model is to provide a kind of layout structure of two-channel probe.
For the above-mentioned purpose, one embodiment of the present utility model provides a kind of layout structure of two-channel probe, bag
Include pedestal, sleeve and locking cap for installing ultrasonic probe；
Base interior has gas passage, and two groups are provided with pedestal and is used for the mounting hole of installation sleeve, and is configured with two
Group ultrasonic probe forms two-channel probe；
The inside of mounting hole has a step, the bulge loop of sleeve be placed on be used to limiting ultrasonic probe on step stretch into depth
Degree；There is internal thread, sleeve is fixed in mounting hole by external screw thread and the screw-internal thread fit of locking cap above the step of mounting hole；
The bulge loop of sleeve is provided with sealing ring, and the upper end of sleeve has guide part, had inside the lower end of locking cap with leading
The cavity coordinated to portion；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, the electric wire of ultrasonic probe is passed through after cable-through hole from the outlet of mounting hole edge
Mounting hole is passed in hole；The angle α of ultrasonic probe and base axis is 35 degree ~ 55 degree, and offset distance h is 2.5mm ~ 10mm.
One of prioritization scheme of the present utility model, the bottom of ultrasonic probe flush with the inwall of pedestal.
One of prioritization scheme of the present utility model, the both ends of pedestal carry ring flange, bolt hole are provided with ring flange.
The material of one of prioritization scheme of the present utility model, sleeve and locking cap is copper.
One of prioritization scheme of the present utility model, it is provided with pedestal for temperature sensor mounted aperture and for pacifying
Fill the macropore of pressure sensor.
One of prioritization scheme of the present utility model, the internal diameter of pedestal is 25mm ~ 200mm.
One of prioritization scheme of the present utility model, locking cap outside are provided with capping.
One of prioritization scheme of the present utility model, sealing ring is provided with the step of mounting hole, the sealing ring and sleeve
Sealing is realized in the contact of bulge loop lower wall.
Another scheme of the utility model discloses a kind of layout structure of two-channel probe, including pedestal and for installing
The sleeve of ultrasonic probe；Pedestal is provided with two groups of mounting holes, and every group of mounting hole is distributed in base axis both sides including two
Mounting hole, and be configured with locking cap and sleeve is fixed in mounting hole；The angle of ultrasonic probe and base axis is 35 degree ~ 55
Degree, offset distance is 2.5mm ~ 10mm, and offset distance diameter ratio is 0.1D ~ 0.15D.
To sum up, the utility model has advantages below：
The utility model is by being improved the mounting means of ultrasonic probe so that ultrasonic probe is fixed on base
Installing/dismounting is easier during seat, while the angle and spacing of ultrasonic probe and base axis optimize, can not be by not
With influence of the operating modes such as gas and flow velocity to precision of popping one's head in, there is good stability.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model one embodiment；
Fig. 2 is the assembling figure of locking cap and sleeve in the utility model one embodiment；
Sectional view when Fig. 3 is the assembling of locking cap and sleeve in the utility model one embodiment；
Fig. 4 is a schematic diagram of ultrasonic probe installation site on pedestal in the utility model one embodiment；
Fig. 5 is another schematic diagram of ultrasonic probe installation site on pedestal in the utility model one embodiment；
Fig. 6 is the stereogram of the utility model one embodiment.
Wherein, 1, pedestal；2nd, sleeve；3rd, locking cap；4th, gas passage；5th, mounting hole；6th, step；7th, bulge loop；8th, install
Groove；9th, guide part；10th, cavity；11st, circular hole；12nd, ring flange；13rd, cable-through hole；14th, wire hole；15th, ultrasonic probe；16th, sell
Hole；17th, sealing ring.
Embodiment
The utility model provides a kind of layout structure of two-channel probe,
The material of sleeve 2 and locking cap 3, preferably sleeve and locking cap including pedestal 1, for mounting ultrasonic probe 15
Matter is copper.It is provided with pin-and-hole 16 on sleeve 2, ultrasonic probe 15 can be with interference installation by adhering in sleeve, and can be with volume
It is outer to be reinforced using pin.
Pedestal 1 is the installation pedestal of probe, and the preferably internal diameter of pedestal is 25mm ~ 200mm, and the both ends of pedestal carry ring flange
12, bolt hole is provided with ring flange, ring flange is used to be connected with the pipeline of gas, sealing ring can be set to strengthen on ring flange
Sealing effectiveness.It is furthermore preferred that being provided with pedestal for temperature sensor mounted aperture and for installing pressure sensor
Macropore, temperature sensor contact detection temperature with gas from the inside of aperture insertion pedestal 1, need to protect after temperature sensor installation
Hold sealing；Likewise, pressure sensor can also use same way insertion to fix.
The inside of pedestal has gas passage 4, and two groups are provided with pedestal and is used for the mounting hole 5 of installation sleeve, and is installed
Two groups of ultrasonic probes form two-channel probe；More preferably the bottom of ultrasonic probe flushes with the inwall of pedestal.Ultrasonic wave is visited
The setting angle and height and the punching angle and height correlation of mounting hole of head, both are coaxially disposed.Ultrasonic probe
Mounting means is：The angle of ultrasonic probe and base axis is 35 degree ~ 55 degree, and offset distance is 2.5mm ~ 10mm, offset distance diameter ratio
For 0.1D ~ 0.15D；Offset distance refers to the distance of ultrasonic probe distance center line in cross-section, and offset distance diameter ratio refers in horizontal stroke
The ratio of the distance of ultrasonic probe distance center line and the ultrasonic wave susceptor diameter in section.For example, knot of the present utility model
Structure goes for the ultrasonic flowmeter of DN25 ~ DN80 types, angle and the offset distance such as following table of each model：
| Model | Angle α | Offset distance h | Offset distance diameter ratio |
| DN25 | 40° | 2.5mm | 0.1D |
| DN32 | 42° | 3mm | 0.094D |
| DN40 | 45° | 4mm | 0.1D |
| DN50 | 45° | 5mm | 0.1D |
| DN80 | 45° | 10mm | 0.125D |
The inside of mounting hole has a step 6, and step is lower end or bottom close to the part of base interior.Under step
The internal diameter at end is less than upper-end inner diameter.Bulge loop 7 in the middle part of sleeve be placed on be used to limiting ultrasonic probe on step stretch into depth；
There is internal thread, sleeve is fixed in mounting hole 6 by external screw thread and the screw-internal thread fit of locking cap 3 above the step of mounting hole.
When installing ultrasonic probe, it is necessary to be embedded into after ultrasonic probe 15 is arranged on into sleeve in advance in mounting hole 5, both can be with
It is interference fit so that probe can be stably mounted in mounting hole.The upper end of sleeve is caused certainly by the extruding of locking cap
Body is spacing between step and locking cap, can be with the stress degree of control sleeve by the compression degree for adjusting locking cap.
In addition, the utility model is further preferably provided with capping on the outside of locking cap；Capping can use interference fit or
Thread connecting mode is arranged on mounting hole outermost end, i.e., installs capping again after locking cap is installed.Capping can by locking cap with
And mounting hole is isolated from the outside completely, and space of the circuit of ultrasonic probe between capping and locking cap enters outlet
Hole.
Further, in order to improve overall sealing water resistance, sealing ring 17 is provided with the step of mounting hole, is somebody's turn to do
Sealing ring contacts realization sealing with the bulge loop lower wall of sleeve.
Mounting groove 8 is provided with the bulge loop of sleeve, sealing ring is disposed with mounting groove, sealing ring can strengthen installation ultrasound
Sealing property after the installation of ripple probe.The upper end of sleeve has guide part 9, has inside the lower end of locking cap and matches somebody with somebody with guide part
The cavity 10 of conjunction；Guide part can be a circular cylinder shaped portion, and guide part is advantageous to the quick assembling with locking cap, is also beneficial to
Place to connect between sleeve and locking cap and offset；The press-in of locking cap can also be set according to the height of guide part simultaneously
Depth etc..The top of locking cap is provided with the circular hole 11 for coordinating with mounting and dismounting tool, and this circular hole can coordinate and be beneficial to
The instrument such as pliers or clip, it is easy to control locking cap to tighten or open, it is easy to operation.
Cable-through hole 13 is provided with locking cap, the electric wire of ultrasonic probe passes through going out from mounting hole edge after cable-through hole
Mounting hole 5 is passed in string holes 14 so that electric wire can be connected with external electrical equipment, and the signal detected is transferred into control
Device.
Another scheme of the utility model discloses a kind of layout structure of two-channel probe, including pedestal and for installing
The sleeve of ultrasonic probe；Pedestal is provided with two groups of mounting holes, and every group of mounting hole is distributed in base axis both sides including two
Mounting hole, and be configured with locking cap and sleeve is fixed in mounting hole；The angle of ultrasonic probe and base axis is 35 degree ~ 55
Degree, offset distance is 2.5mm ~ 10mm.Ultrasonic probe includes ultrasound emission probe and receiving transducer, the ultrasound that transmitting probe is launched
Signal is received by receiving transducer after gas, therefore transmitting probe and receiving transducer need to be separately positioned on pedestal both sides,
The central axis of two on the same line, is easy to reception signal.
Although being described in detail with reference to accompanying drawing to specific embodiment of the present utility model, should not be construed as pair
The restriction of the protection domain of this patent.In the scope described by claims, those skilled in the art are without creative labor
The dynamic various modification and variation that can be made still belong to the protection domain of this patent.
Claims (5)
- A kind of 1. layout structure of two-channel probe, it is characterised in that：Including pedestal, for the sleeve of ultrasonic probe is installed with And locking cap；The base interior has gas passage, and two groups are provided with pedestal and is used for the mounting hole of installation sleeve, and is configured with two Group ultrasonic probe forms two-channel probe；The inside of the mounting hole has a step, the bulge loop of sleeve be placed on be used to limiting ultrasonic probe on step stretch into depth Degree；There is internal thread, sleeve is fixed on installation by external screw thread and the screw-internal thread fit of locking cap above the step of the mounting hole In hole；The bulge loop of the sleeve is provided with sealing ring, and the upper end of the sleeve has guide part, had inside the lower end of locking cap The cavity coordinated with guide part；The top of the locking cap is provided with the circular hole for coordinating with mounting and dismounting tool；The base The both ends of seat carry ring flange, and bolt hole is provided with ring flange；It is provided with the pedestal for temperature sensor mounted Aperture and the macropore for installing pressure sensor；The internal diameter of the pedestal is 25mm~200mm；It is provided with cable-through hole on the locking cap, the electric wire of ultrasonic probe is passed through after cable-through hole from the outlet of mounting hole edge Mounting hole is passed in hole.
- 2. the layout structure of two-channel probe as claimed in claim 1, it is characterised in that：The bottom of the ultrasonic probe with The inwall of pedestal flushes.
- 3. the layout structure of two-channel probe as claimed in claim 1, it is characterised in that：The material of the sleeve and locking cap It is copper.
- 4. the layout structure of two-channel probe as claimed in claim 1, it is characterised in that：Envelope is provided with the outside of the locking cap Lid.
- 5. the layout structure of two-channel probe as claimed in claim 1, it is characterised in that：Set on the step of the mounting hole There is sealing ring, the sealing ring contacts realization sealing with the bulge loop lower wall of sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720475018.6U CN206959927U (en) | 2017-05-02 | 2017-05-02 | A kind of layout structure of two-channel probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720475018.6U CN206959927U (en) | 2017-05-02 | 2017-05-02 | A kind of layout structure of two-channel probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206959927U true CN206959927U (en) | 2018-02-02 |
Family
ID=61374179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720475018.6U Active CN206959927U (en) | 2017-05-02 | 2017-05-02 | A kind of layout structure of two-channel probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206959927U (en) |
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2017
- 2017-05-02 CN CN201720475018.6U patent/CN206959927U/en active Active
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