CN110045146A - Supersonic flow speed measuring device - Google Patents
Supersonic flow speed measuring device Download PDFInfo
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- CN110045146A CN110045146A CN201910425805.3A CN201910425805A CN110045146A CN 110045146 A CN110045146 A CN 110045146A CN 201910425805 A CN201910425805 A CN 201910425805A CN 110045146 A CN110045146 A CN 110045146A
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- mobile jib
- secondary bar
- outer tube
- guide groove
- measuring device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention relates to a kind of supersonic flow speed measuring devices, belong to enviromental monitoring equipment technical field.Including the mobile jib being mutually socketed and secondary bar, secondary bar first end set is connected in mobile jib second end, and secondary bar is connected with mobile jib by coupling bar, and outer tube is set with outside mobile jib and secondary bar, a set of ultrasonic transducers at least positioned opposite in secondary bar, mobile jib first end are equipped with obliquity sensor；Secondary bar first end is equipped with bending head, and bending head includes the interconnecting piece set on top, further includes the limiting section set on lower part, and interconnecting piece side, which is equipped with, rotates derivation section, with limiting section junction below rotation derivation section, the resigning fixing groove equipped with inclination arrangement；Corresponding bending head, outer tube top open up outer tube top guide groove and bending lock slots, and outer tube bottom end opens up outer tube bottom end guide groove, and mobile jib top opens up mobile jib top guide groove, and mobile jib bottom end opens up mobile jib bottom end guide groove.The configuration of the present invention is simple, it is easy to carry, easy structure is realized, ultrasonic measurement flow velocity is utilized.
Description
Technical field
The present invention relates to a kind of supersonic flow speed measuring devices, belong to enviromental monitoring equipment technical field.
Background technique
Requirement with country to environmental protection is higher and higher, and the Law on Environmental Protection of the People's Republic of China requires pollutant discharging unit useless
Gas pollution sources should install online automated monitor, monitor in real time to the case where exhaust emission source emission pollutant.
Exhaust emission source automated monitor at present, most common online flow rate measuring device are pitot tube flowmeter, into
Row artificial detection is also to carry out flow velocity measurement using Pitot tube principle using portable flow rate measuring device.When the exhaust gas of installation
When the flow velocity of exhaust gas is less than 5 meter per second in the measured row's cylinder of pollution sources automated monitor, the current meter of automatic detection device occurs
The unstable situation of measurement data, at the same artificial detection using portable Flow Velocity Meter carry out artificial detection when also occur flow velocity shakiness
Regular inspection measured data not can accurately reflect the case where true flow velocity.Ring, which is done, according to ecological environment portion ring in 2017 supervises [2017] No. 61 texts
When part requires row's cylinder flue gas flow rate less than 5 meter per second, the flow rate measuring device of installation should select line measurement or planar survey equipment.
The equipment measured at present applied to the velocity line of exhaust emission source online auto monitoring has ultrasonic wave (time difference method) principle, exhaust gas
The on-line automatic measuring device of pollution sources ultrasonic wave flue gas flow due to being measured when must two ultrasonic energy conversion equipments want
There is a certain distance just to can be carried out work on the direction of flue gas flow rate, equipment needs angled to be fixed in line to wearing
Arrange the two sides of cylinder.Current existing ultrasonic current metre only produces the online auto monitoring equipment for fixed installation, at present
Ultrasonic wave sampling apparatus, ultrasonic wave sampling opium pipe cannot achieve the angled bending in flue, cause two ultrasonic waves
Can device can not generate and, there are vertical range, portable supersonic flow rate measuring device does not have always in flue gas flow direction parallel direction
There is product design to come out.
Man portable's flow rate detection equipment that China is used for flue gas inspection now is mostly only resided within using Pitot tube
It ceases to advance in measuring principle.Exhaust emission source is just mounted with that the flow velocity measurement of the line measurement request met is set as required at last
Standby, the method for not also being available personal monitoring carries out effective Determination, to verify the accuracy of online equipment.
Summary of the invention
The object of the present invention is to provide a kind of supersonic flow speed measuring devices, and structure is simple, easy to carry, realize simple
Structure utilizes ultrasonic measurement flow velocity.
Supersonic flow speed measuring device of the present invention, including the mobile jib being mutually socketed and secondary bar, secondary bar first end
Set be connected in mobile jib second end, secondary bar connect with mobile jib by coupling bar, mobile jib and secondary bar outside suit outer tube, secondary bar up to
Few a set of ultrasonic transducers positioned opposite, mobile jib first end are equipped with obliquity sensor；
Secondary bar first end is equipped with bending head, and it further includes the limit set on lower part that bending head, which includes the interconnecting piece set on top,
Portion, interconnecting piece side are equipped with rotation derivation section, and with limiting section junction, the resigning equipped with inclination arrangement is solid for rotation derivation section lower section
Determine slot；
Corresponding bending head, outer tube top open up outer tube top guide groove and bending lock slots, and outer tube bottom end opens up outer
Casing shoe guide groove, mobile jib top open up mobile jib top guide groove, and mobile jib bottom end opens up mobile jib bottom end guide groove.
When supersonic flow speed measuring device of the present invention does not work, outer tube is sleeved on outside secondary bar and mobile jib, outside
Sleeve first end is located in the middle part of mobile jib, and outer tube second end is located in the middle part of secondary bar, and secondary bar and mobile jib are on same straight line, bending
The resigning fixing groove of head bottom engages with outer tube bottom end guide groove, and doubling elbow is fixed.
When supersonic flow speed measuring device of the present invention works, push outer tube mobile from secondary bar to mobile jib direction,
Outer tube bottom end guide groove pushes bending head to be rotated up around coupling bar, rotates derivation section from mobile jib top guide groove and outer tube top
It is pierced by guide groove, secondary bar is rotated down around coupling bar, and angle limiter blocks secondary bar, and obliquity sensor is started to work, for mending
Repay secondary bar and tilt down angle, ultrasonic transducers send mutually signal, and the mobile jib measured according to obliquity sensor with
The angle tilt angle of horizontal plane compensates secondary bar bending angle, predicts the practical bending angle of secondary bar, calculates flue gas stream
Speed.
The rotation derivation section is set as arc transition structure.
Inclined straight sides are set as on the outside of the limiting section；Inclined straight sides and secondary bar horizontal central line angle are 30-60 degree.It can root
According to requiring to be configured.
Bending power assistant spring, bending power assistant spring are equipped between the mobile jib second end top and secondary bar first end top
It is located at coupling bar two sides with bending head.
The mobile jib second end lower part is equipped with unequal protection side.
The mobile jib second end bottom interior wall is equipped with angle limiter.
Described is correspondingly connected with bolt, and the pilot hole of strip is opened up on outer tube, and pilot hole is mobile for accommodating coupling bar.
Coupling bar both ends are equipped with fixing bolt.
It is equipped with position guiding pin in the middle part of the mobile jib, corresponds to position guiding pin, opens up position guiding groove on outer tube.
Locking guide groove is opened up on the mobile jib, locking push rod is equipped in locking guide groove, and locking push rod first end correspondence allows
Position fixing groove setting, locking push rod second end connect locking pin, and locking pin is arranged through mobile jib, corresponding locking pin, edge on mobile jib
Radial direction opens up locking slot, opens up loose slot along axial direction on mobile jib.
The mobile jib first end is equipped with handle, and obliquity sensor is equipped with above handle, and mobile jib is equipped with pressure transmission pipe,
Mobile jib is equipped with temperature sensor, and conducting tube leads to mobile jib handle end equipped with interface from mobile jib front end, passes through external pipeline and master
The connection of machine pressure transmitter；Temperature sensor to handle end is equipped with interface, and the logical external host interface linking parsing of connecting wire is set
Standby, analytical equipment is usually to analyze host.
Protective cover is equipped with outside the ultrasonic transducers.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is by being arranged the mobile jib that can mutually rotate and secondary bar, and the housing of cooperation mobile jib and secondary bar rotation
Pipe, realizes the simple gun body of structure, it will be able to complete the measurement of flow of flue gas speed, and measurement data is precisely effective.
2, pass through setting bending head, mobile jib top guide groove, mobile jib bottom end guide groove, outer tube top guide groove and outer tube bottom end
Guide groove, realize secondary bar and mobile jib can be well fixed, it is ensured that secondary bar after rotation reaches setting position with respect to stable rotation
Ultrasonic transducers position remains stationary, it is ensured that the accuracy of measurement data,
3, the purpose of the present invention is providing the foundation for the miniaturization of realization ultrasonic flue gas flow rate measuring device, portability,
Make it possible to manufacture portable supersonic flue gas flow rate measuring instrument.Can effectively with analysis host combine, i.e., effectively with
Related algorithm design, soft work, single-chip microcontroller combine, and produce portable supersonic flue gas flow rate measuring device, are not limited to ultrasonic wave
Measuring device, detection device needs to carry out feeler lever or the spy of bending whens being also applied for other for Sample acquisitions such as discharge drum etc.
Rifle.To increase portable flow monitoring equipment monitoring technological means, portable flow monitoring equipment monitoring ability is improved, is made small
In the flow velocity of 5 meter per seconds, it is not limited to the measurement less than 5 meter per second flow velocity, can also accurately be measured, to online flue gas flow rate
Measuring device is effectively verified, and error is reduced, and improves the accuracy of flow velocity measurement.
4, ultrasonic flow-velocity sampling apparatus of the present invention, including at least two sets of ultrasonic energy conversion equipments, pass through
The distance between two sets of ultrasonic energy conversion equipments of adjusting can easily realize row's cylinder measurement to different-diameter.
5, device of the present invention has sensor for measuring temperature, can measure simultaneously to flue-gas temperature.
6, present invention design has obliquity sensor, and when sampling feeler lever carries out bending operation in exhaust tube, setting is fixed
Angle, obliquity sensor calculate feeler lever mobile jib and compensate with horizontal angle to bending angle, pass through practical bending angle, meter
Calculate two ultrasonic transducers in parallel with the vertical range on flue gas direction.
7, the device mentality of designing is novel, and manufacture is simpler, and Costco Wholesale is relatively small, has broken the survey of flue gas ultrasonic flow-velocity
Measuring appratus can only be fixedly mounted cruel applied to the fetters of on-line measurement, beat basis for the generation of portable equipment.Cooperation is related super
Sound wave algorithmic formula and associated components can develop ultrasonic flow-velocity line measurement portable instrument, obtain environmental monitoring technology means
Huge promotion is obtained, environmental monitoring work is greatly facilitated and carries out, the automatic flow velocity of flue gas is measured using artificial monitoring means and is filled
It sets and is effectively calibrated, corrected, to increase portable flow monitoring equipment monitoring technological means, improve portable flow velocity prison
Measurement equipment monitoring capability measure the flow velocity less than 5 meter per seconds can also accurately, be not limited to less than 5 meter per second flow velocitys
Measurement improves the accuracy of online flue gas flow rate measuring device, ensure that the standard of the manual measurement under low flow velocity to error is reduced
True property.Accurately data support is provided for environment supervision, environmentally friendly tax revenue.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention,
Fig. 2 is the overlooking structure diagram of Fig. 1,
Fig. 3 is the structural schematic diagram of outer tube,
Fig. 4 is the structural schematic diagram of mobile jib,
Fig. 5 is an example structure schematic diagram of secondary bar,
Fig. 6 is A-A the schematic diagram of the section structure in Fig. 5,
Fig. 7 is B-B the schematic diagram of the section structure in Fig. 5,
Fig. 8 is C-C the schematic diagram of the section structure in Fig. 5,
Fig. 9 is the structural schematic diagram of another embodiment of secondary bar,
Figure 10 is the top view of Fig. 9,
Figure 11 is bending header structure schematic diagram,
Figure 12 is D direction view in Fig. 1.
In figure: 1, outer tube 2, secondary bar 3, mobile jib 4, coupling bar 5, handle；
1.1, outer tube bottom end guide groove 1.2, bending lock slots 1.3, outer tube top guide groove 1.4, position guiding groove 1.5,
Bending head limiting slot 1.6, pilot hole；
2.1, protective cover 1, secondary bar main shaft 2.3, ultrasonic transducers 1, support rod 1, super
Acoustic wave energy converter 2 2.6, support rod 2 2.7, protective cover two；
2.21, secondary bar main shaft first section 2.22, adjustable feeler lever 2.23, secondary bar main shaft endpiece；
3.1, pressure transmission pipe 3.2, bending power assistant spring 3.3, temperature sensor 3.4, locking push rod 3.5, interface
3.6, locking pin 3.7, obliquity sensor 3.8, pressure transmission pipe external tapping 3.9, mobile jib bottom end guide groove 3.10, bending head
3.11, angle limiter 3.12, fixing seat 3.13, mobile jib top guide groove 3.14, position guiding pin 3.16, unequal protection side
3.17, locking slot 3.18, regulating tank；
10.1, limiting section 10.2, resigning fixing groove 10.3, rotation derivation section 10.4, interconnecting piece.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention is made further clear
Chu is fully described by:
Embodiment 1
As shown in Fig. 1~Figure 12, supersonic flow speed measuring device of the present invention, including the mobile jib 3 being mutually socketed
With secondary bar 2,2 first end set of secondary bar is connected in 3 second end of mobile jib, and secondary bar 2 and mobile jib 3 are connected by coupling bar 4, mobile jib 3 and pair
Outer tube 1, a set of ultrasonic transducers at least positioned opposite in secondary bar 2 are set with outside bar 2,3 first end of mobile jib, which is equipped with, inclines
Angle transducer 3.7；2 first end of secondary bar is equipped with bending head 3.10, and bending head 3.10 includes the interconnecting piece 10.4 set on top, also wraps
Include the limiting section 10.1 set on lower part, 10.4 side of interconnecting piece is equipped with rotation derivation section 10.3,10.3 lower section of rotation derivation section with
10.1 junction of limiting section, the resigning fixing groove 10.2 equipped with inclination arrangement；Corresponding bending head 3.10,1 top of outer tube opens up
Outer tube top guide groove 1.3 and bending lock slots 1.2,1 bottom end of outer tube open up outer tube bottom end guide groove 1.1, and 3 top of mobile jib is opened
If mobile jib top guide groove 3.13,3 bottom end of mobile jib opens up mobile jib bottom end guide groove 3.9.
A set of ultrasonic transducers include the ultrasonic transducers of two arrangements that cooperate, including ultrasonic wave
Energy converter 1 and ultrasonic transducers 2 2.5, ultrasonic transducers 1 are connected by support rod 1
Secondary bar 2 is connect, one 2.3 outside of ultrasonic transducers is equipped with protective cover 1；Ultrasonic transducers 2 2.5 pass through branch
Strut 2 2.6 connects secondary bar 2, and 2 2.5 outside of ultrasonic transducers is equipped with protective cover 2 2.7.Ultrasound of the present invention
Wave current speed sampling apparatus can use two sets or two sets or more of ultrasonic energy conversion equipment, by adjusting two sets of ultrasounds
The distance between wave energy conversion device can easily realize row's cylinder measurement to different-diameter.Ultrasonic transducers are existing
There is conventional measuring device, there are many eligible model on the market for ultrasonic transducers, can use DYA-200-01 type
200KZ.Ultrasonic transducers 1, ultrasonic transducers 2 2.5 and obliquity sensor pass through wire connection interface
3.5, interface 3.5 connects portable gas ultrasonic current metre, and interface 3.5 also can connect gas ultrasound wave current meter and survey online
Measuring appratus.
Rotation derivation section 10.3 is set as arc transition structure.Inclined straight sides are set as on the outside of limiting section 10.1；Inclined straight sides with
2 horizontal central line angle of secondary bar is 30-60 degree.
Outer tube top guide groove opens up bending lock slots 1.2 close to outer tube second end, and outer tube is pushed to mobile jib direction,
After bending head bending in place, appropriate rotating jacket pipe, outer tube bending lock slots 1.2 lock bending head.
Outer tube bottom end guide groove opens up bending head limiting slot 1.5 close to outer tube second end, when secondary bar is closed in outer tube,
Appropriate rotating jacket pipe, 1.5 clamping bending head of bending head limiting slot play the role of fixed bending head.
Bending power assistant spring 3.2, bending power assistant spring are equipped between 2 first end top of 3 second end top of mobile jib and secondary bar
3.2 and bending head 3.10 be located at 4 two sides of coupling bar.Bending power assistant spring 3.2 is connected and fixed seat 3.12, and fixing seat is set to mobile jib 3
On；3 second end lower part of mobile jib is equipped with unequal protection side 3.16.3 second end bottom interior wall of mobile jib is equipped with angle limiter 3.11.
It is correspondingly connected with bolt 4, the pilot hole 1.6 of strip is opened up on outer tube 1, pilot hole 1.6 is mobile for accommodating coupling bar 4.Connection
4 both ends of bolt are equipped with fixing bolt.Fixing bolt fixes coupling bar from coupling bar both ends, convenient for fixing the opposite position of mobile jib and secondary bar
It sets, it is ensured that the position of secondary bar and mobile jib relative rotation is accurate, it is ensured that measurement accuracy.
It is equipped with position guiding pin 3.14 in the middle part of mobile jib 3, corresponds to position guiding pin 3.14, opens up position guiding groove 1.4 on outer tube 1.
Locking guide groove is opened up on mobile jib 3, locking push rod 3.4 is equipped in locking guide groove, and locking push rod 3..4 first end is corresponding
Resigning fixing groove 10.2 is arranged, and locking 3.4 second end of push rod connects locking pin 3.6, and locking pin 3.6 is arranged through mobile jib 3, corresponding
Locking pin 3.6, radially opens up locking slot 3.17 on mobile jib 3, opens up regulating tank 3.18 along axial direction on mobile jib 3.
3 first end of mobile jib is equipped with handle 5, and obliquity sensor 3.7 is equipped with above handle 5, and mobile jib 3 is equipped with pressure transmission pipe
3.1, mobile jib 3 is equipped with temperature sensor 3.3.Obliquity sensor 3.7 can use ICA326T double-shaft tilt angle sensor-number
Type；Obliquity sensor, when sampling feeler lever carries out bending operation in exhaust tube, obliquity sensor calculates feeler lever secondary bar bending angle
Degree, by bending angle, calculate two ultrasonic transducers in parallel with the vertical range on flue gas direction.Pressure conduction
Pipe connects pressure transmitter by pressure transmission pipe external tapping 3.8, and pressure transmitter can be using models such as LFM110；Temperature
Sensor can use PT100 type platinum sensor, and for temperature sensor 3.3 by interface connection host, host model can be with
For UF200C.Pressure transmission pipe can use the stainless steel tube of diameter 2-3mm, for transmitting pressure.
Device of the present invention, is not limited solely to ultrasonic measuring device, is also applied for other and visits for samplings such as discharge drums
Detection device needs to carry out the feeler lever of bending operation or visits rifle whens survey etc..
Secondary bar includes secondary bar main shaft 2.2, and secondary bar main shaft includes sequentially connected secondary bar main shaft first section 2.21, adjustable feeler lever
2.22 and secondary bar main shaft endpiece 2.23；Adjustable feeler lever 2.22 is equipped with graduated scale, adjustable for adjusting the length of secondary bar main shaft
Feeler lever is saved, with secondary bar main shaft first section 2.21 and secondary bar main shaft endpiece 2.23 by connecting pin connection, is opened up on adjustable feeler lever more
A connecting hole, adjustment connecting pin insert into different connecting holes, for adjusting the active length of secondary bar main shaft, thus change not
Same Fundamentals of Measurement adapts to various sizes of discharge drum, improves measurement accuracy.
Embodiment 2
As shown in figure 9, temperature sensor 3.3 can also run through secondary bar main shaft 2.2, it is set in secondary bar main shaft 2.2.Remaining is same
Embodiment 1.
Ultrasonic wave time difference method is exactly according to ultrasonic wave in the spread speed and inverse cigarette airflow direction propagation along cigarette airflow direction
Speed it is different, the receiving time of generation is poor, to calculate the flue gas mean flow rate in propagation path.
The course of work or working principle:
When supersonic flow speed measuring device of the present invention does not work, outer tube is sleeved on outside secondary bar and mobile jib, outside
Sleeve first end is located in the middle part of mobile jib, and outer tube second end is located in the middle part of secondary bar, and secondary bar and mobile jib are on same straight line, bending
The resigning fixing groove of head bottom engages with outer tube bottom end guide groove, and doubling elbow is fixed.
When supersonic flow speed measuring device of the present invention works, push outer tube mobile from secondary bar to mobile jib direction,
Outer tube bottom end guide groove pushes bending head to be rotated up around coupling bar, rotates derivation section from mobile jib top guide groove and outer tube top
It being pierced by guide groove, secondary bar is rotated down around coupling bar, and angle limiter blocks secondary bar, after secondary bar bending in place, rotating jacket pipe,
Make outer sleeve upper that the bending lock slots 1.2 of outer 1.3 side of cannula tip guide groove are set, bending lock slots 1.2 are used for bending
Bending head is locked after the completion of movement；It is tightly blocked with bending head, plays the role of fixed secondary bar flexing movement, inclination angle sensing
Device is started to work, and measurement secondary bar tilts down angle, and ultrasonic transducers send mutually signal, and according to obliquity sensor
The tilt angle predicted calculates flue gas flow rate.
The measurement data of obliquity sensor, ultrasonic transducers 1 and ultrasonic transducers 2 2.5 passes through
Conducting wire, interface 3.5, connection measurement host, measurement host can be portable gas ultrasonic current metre or gas ultrasound wave current
Fast instrument on-line measurement instrument.
To the description in the direction of structure and relative positional relationship in the present invention, such as all around above and below description, not structure
At limitation of the present invention, only for convenience of description.
Claims (10)
1. a kind of supersonic flow speed measuring device, which is characterized in that including the mobile jib (3) being mutually socketed and secondary bar (2), secondary bar
(2) first end set is connected in mobile jib (3) second end, and secondary bar (2) and mobile jib (3) are connected by coupling bar (4), mobile jib (3) and pair
It is set with outer tube (1) outside bar (2), a set of ultrasonic transducers at least positioned opposite in secondary bar (2), mobile jib (3) first
End is equipped with obliquity sensor (3.7)；
Secondary bar (2) first end is equipped with bending head (3.10), and bending head (3.10) includes the interconnecting piece (10.4) set on top, also wraps
The limiting section (10.1) set on lower part is included, interconnecting piece (10.4) side is equipped with rotation derivation section (10.3), rotates derivation section
(10.3) lower section and limiting section (10.1) junction, the resigning fixing groove (10.2) equipped with inclination arrangement；
Corresponding bending head (3.10), outer tube (1) top open up outer tube top guide groove (1.3) and bending lock slots (1.2), outside
Casing (1) bottom end opens up outer tube bottom end guide groove (1.1), and mobile jib (3) top opens up mobile jib top guide groove (3.13), mobile jib (3)
Bottom end opens up mobile jib bottom end guide groove (3.9).
2. supersonic flow speed measuring device according to claim 1, which is characterized in that rotation derivation section (10.3) is set as round
Arc transition structure.
3. supersonic flow speed measuring device according to claim 1, which is characterized in that be set as inclining on the outside of limiting section (10.1)
Oblique straight flange；Inclined straight sides and secondary bar (2) horizontal central line angle are 30-60 degree.
4. supersonic flow speed measuring device according to claim 1, which is characterized in that mobile jib (3) second end top and pair
Bending power assistant spring (3.2) are equipped between bar (2) first end top, bending power assistant spring (3.2) and bending head (3.10) are located at
Coupling bar (4) two sides.
5. supersonic flow speed measuring device according to claim 1, which is characterized in that mobile jib (3) second end lower part is equipped with
Unequal protection side (3.16).
6. supersonic flow speed measuring device according to claim 1, which is characterized in that mobile jib (3) second end bottom interior wall
It is equipped with angle limiter (3.11).
7. supersonic flow speed measuring device according to claim 1, which is characterized in that be correspondingly connected with bolt (4), outer tube
(1) pilot hole (1.6) of strip is opened up on, pilot hole (1.6) is mobile for accommodating coupling bar (4).
8. supersonic flow speed measuring device according to claim 1, which is characterized in that be equipped with position guiding pin in the middle part of mobile jib (3)
(3.14), position guiding pin (3.14) are corresponded to, opens up position guiding groove (1.4) on outer tube (1).
9. supersonic flow speed measuring device according to claim 1, which is characterized in that mobile jib opens up locking guide groove on (3),
It locks and is equipped with locking push rod in guide groove, locking push rod first end corresponds to the setting of resigning fixing groove, locking push rod second end connection lock
Tight pin (3.6), locking pin (3.6) are arranged through mobile jib (3), and corresponding locking pin (3.6), mobile jib radially opens up locking on (3)
Slot opens up loose slot along axial direction on mobile jib (3).
10. supersonic flow speed measuring device according to claim 1, which is characterized in that mobile jib (3) is equipped with pressure conduction
It manages (3.1), mobile jib (3) is equipped with temperature sensor (3.3), and protective cover is equipped with outside ultrasonic transducers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425805.3A CN110045146A (en) | 2019-05-21 | 2019-05-21 | Supersonic flow speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425805.3A CN110045146A (en) | 2019-05-21 | 2019-05-21 | Supersonic flow speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110045146A true CN110045146A (en) | 2019-07-23 |
Family
ID=67282969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910425805.3A Withdrawn CN110045146A (en) | 2019-05-21 | 2019-05-21 | Supersonic flow speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110045146A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420828A (en) * | 2022-09-02 | 2022-12-02 | 中国科学院合肥物质科学研究院 | Thomson scattering signal collecting device and method |
-
2019
- 2019-05-21 CN CN201910425805.3A patent/CN110045146A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420828A (en) * | 2022-09-02 | 2022-12-02 | 中国科学院合肥物质科学研究院 | Thomson scattering signal collecting device and method |
| CN115420828B (en) * | 2022-09-02 | 2023-09-19 | 中国科学院合肥物质科学研究院 | Thomson scattering signal collecting device and method |
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