CN206056689U - Ultrasound wave flue gas flow meter - Google Patents
Ultrasound wave flue gas flow meter Download PDFInfo
- Publication number
- CN206056689U CN206056689U CN201621043800.2U CN201621043800U CN206056689U CN 206056689 U CN206056689 U CN 206056689U CN 201621043800 U CN201621043800 U CN 201621043800U CN 206056689 U CN206056689 U CN 206056689U
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- fixed component
- flue gas
- ultrasonic emitting
- gas flow
- ultrasound wave
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Abstract
This utility model provides a kind of ultrasound wave flue gas flow meter, and the structure of flue gas flow meter is cleverly improved：Sensor is received including the first ultrasonic emitting of controller, interval L and second ultrasonic emitting receives sensor, based on the structure, only need to carry out simple Function Extension.Simultaneously because being provided with, the first ultrasonic emitting receives sensor and the connecting rod of the second ultrasonic emitting reception sensor is hinged with fixed component so that connecting rod can be rotated relative to fixed component.During actually used, fixed component insertion monitoring holes after, under gravity, detection device then vertically downward, with flue gas flow direction keeping parallelism.Found according to trigonometric function Equation for Calculating result, near 0 ° of parallel angle (180 °), its component value is affected less by error angle, 8 ° of its error amounts of angular error are less than 1%, in this case, maximum 16 ° installation full-shape error, ultrasonic flowmeter can be allowed to be affected little by alignment error, it is ensured that certainty of measurement.
Description
Technical field
This utility model is related to testing equipment field, in particular to a kind of ultrasound wave flue gas flow meter.
Background technology
It is problem that many supervision departments attach great importance to the accurate detection of the discharge capacity of gaseous state, particulate matter etc., at present, greatly
Apply flue gas automatic monitored control system (the Continuous Emission Monitoring in Thermal Plant and power plant more
System, CEMS), the difficulties and problems faced during measuring flow are a lot：High temperature, high dust, high moisture content, negative pressure and corrosion
Property is stronger etc.；Working condition is typically：At 150 DEG C or so, the First air or secondary wind of steam power plant typically exist flue gas medium temperature
200 DEG C, there are individually 400 DEG C or so, the method for existing measurement flow mainly includes：Pitotpre ure difference method：By measuring pressure
Difference carrys out calculated flow rate, pitot tube is placed on center in flue during measurement, is made the mouth of pipe vertical with flue gas flow direction, is measured
The difference of dynamic pressure and static pressure on the position, so as to calculate the flow of the point.
Fluid thermal quantity method：When fluid flows through thermal objects, the heat of thermal objects scatters and disappears and with the flow of fluid be in how much
Certain proportionate relationship, calculates outflow with dispersed heat by the proportionate relationship.There is measurement essence in both metering systems
Degree is poor, realize relatively complicated problem.
In actual applications, the installation of ultrasound wave flue gas flow meter has to be fixed with reference to existing working condition.Mesh
Before, the monitoring holes of most chimneys (flue) are all vertical designs, and the structure of existing flue gas flow meter be difficult to conveniently,
Fast, accurately carry out the measurement of flue gas flow.
Utility model content
In view of this, the technical problems to be solved in the utility model is the defect for overcoming prior art, there is provided a kind of
Ultrasound wave flue gas flow meter, including fixed component；The fixed component is connected with controller and detection device；The detection device
The first ultrasonic emitting being placed on the connecting rod including connecting rod and interval receives sensor and the second ultrasonic emitting is received
Sensor 133；The connecting rod is hinged with the fixed component；First ultrasonic emitting receives sensor and described the second surpasses
It is L that acoustic emission receives the spacing between sensor；First ultrasonic emitting receives sensor and second ultrasound wave
Transmitting receives sensor 133 and is equipped with probe；The probe that first ultrasonic emitting receives sensor is ultrasonic with described second
Ripple transmitting receives the probe of sensor and is oppositely arranged；The controller is used to control the first ultrasonic emitting reception sensor
Sensor emission ultrasound wave is received with second ultrasonic emitting, the time point of record transmitting ultrasound wave records described first
Ultrasonic emitting receives sensor and second ultrasonic emitting receives the time point that sensor receives ultrasound wave.
In some embodiments, the fixed component is provided with accommodating cavity；It is provided with the containing cavity body and described
One ultrasonic emitting receives sensor, the second ultrasonic emitting and receives the transducer signal that sensor and controller are all connected with
Line.
In some embodiments, the fixed component is connected with push rod；The push rod away from the fixed component one
End is connected with elastomeric element；The elastomeric element is connected with limiting component away from one end of the fixed component；The limiting section
Part is abutted towards one end of the fixed component with the connecting rod away from one end of the elastomeric element.
In some embodiments, the push rod is placed in the containing cavity body of the fixed component；The fixed component back of the body
Offer to connect the through hole of the accommodating cavity and the external world from one end of the controller；The connecting rod is by the containing cavity
Stretch out in vivo；The fixed component offers stopper slot；The stopper slot is for the push rod away from one end of the elastomeric element
Slide, so as to adjust the flexible of the limiting component.
In some embodiments, second ultrasonic emitting receives sensor and is placed in the connecting rod away from the fixation
One end of part.
In some embodiments, also include with the fixed component clamping and propping up to the fixation fixed component
Frame.
In some embodiments, the fixed component is straight tube.
In some embodiments, the push rod offers the string holes worn for the transducer signal line.
In some embodiments, also include the temperature measuring equipment being connected with the controller.
In some embodiments, the air pressure measuring apparatus being connected with the controller are also included.
This utility model provide ultrasound wave flue gas flow meter referring now to beneficial effect for prior art be：
Ultrasound wave flue gas flow meter provided in this utility model embodiment, has been carried out ingeniously to the structure of flue gas flow meter
Wonderful improvement --- sensor is received including the first ultrasonic emitting of controller, interval L and second ultrasonic emitting connects
Sensor is received, based on the structure, when implementing, only simple Function Extension need to be carried out, just ultrasound wave flue gas flow meter can be put
It is placed in the space of flue gas flow to be detected so that the first ultrasonic emitting receives sensor and second ultrasonic emitting connects
Receive flow of flue gas direction in transmission path and the space of the flue gas flow to be detected that ultrasound wave is transmitted between sensor into
Angle α, just Time Calculation can obtain cigarette to be detected according to used by ultrasound wave downbeam, countercurrent direction are transmitted in same intervals
Flue gas flow in air-flow quantity space.Simultaneously because being provided with, the first ultrasonic emitting receives sensor and the second ultrasonic emitting connects
The connecting rod for receiving sensor is hinged with fixed component so that connecting rod can be rotated relative to fixed component.During actually used, Gu
After determining part insertion monitoring holes, under gravity, detection device is then detected vertically downward, keeps flat with flue gas flow direction
OK.Due to structure and alignment error, the first ultrasonic emitting receives sensor and the second ultrasonic emitting receives sensor and cigarette
Air-flow is flue gas actual flow velocity value in flow of flue gas side to producing alignment error angle, ultrasound wave flue gas flow measurement value
Component value upwards.Find that, near 0 ° of parallel angle (180 °), its component value is missed according to trigonometric function Equation for Calculating result
The impact of declinate degree is less, and 8 ° of its error amounts of angular error in this case, can allow maximum 16 ° installation complete less than 1%
Angle error, ultrasound wave flue gas flow meter are affected little by alignment error, it is ensured that certainty of measurement.In addition, in actual condition, mostly
Number monitoring holes are all perpendicular to what flue was opened up, and the design of ultrasound wave flue gas flow meter utilizes existing operating mode when take into account installation
Carry out installation fixation.Freely can be inserted perpendicularly into from monitoring holes or take out fixed component.With measuring method phase of the prior art
Than, simple structure, easy to implement, degree of accuracy is higher, combines actual installation condition, reduces job requirements.
Further, the fixed component is connected with push rod；Push rod is connected with elastomeric element away from one end of fixed component；
Elastomeric element is connected with limiting component away from one end of fixed component；Limiting component away from the elastomeric element one end with it is described
Connecting rod is abutted towards one end of the fixed component.When this kind of structure causes detection device vertically downward, push rod is in spring masterpiece
Pushed away with forward, so as to hold out against detection device, it is ensured that in measurement process, detection device will not affect to produce because of flow of flue gas
Rock.
Further, push rod can be placed in the containing cavity body of the fixed component；By fixed component open up it is spacing
Groove pusher, so as to adjust the flexible of the limiting component so that push rod is pushed away forward under spring force, so as to hold out against spy
Survey device, it is ensured that detection device will not affect generation to rock because of flow of flue gas in measurement process.
Further, also include temperature measuring equipment and the air pressure measuring apparatus being connected with the controller, enrich ultrasound
The function of ripple flue gas flow meter.
In sum, the special structure of this utility model, which has the advantages that above-mentioned many and practical value, and similar
There are no similar method to publish or use and really belong to innovation in product, generate handy and practical effect, it is more existing
Flue gas flow meter there is the multinomial effect promoted, so as to more be suitable to practicality, and there is extensive industrial value.
Accompanying drawing appended by coordinating, is described in detail below.
Description of the drawings
It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore it is not construed as
Restriction to scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other related accompanying drawings.
Profiles of the Fig. 1 for this utility model ultrasound wave flue gas flow meter；
Profiles of the Fig. 2 for this utility model ultrasound wave flue gas flow meter；
Structural representations of the Fig. 3 for this utility model ultrasound wave flue gas flow meter.
Drawing reference numeral explanation：
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or the element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining this utility model, and it is not intended that to this utility model
Restriction.
In description of the present utility model, it is to be understood that term " length ", " width ", " on ", D score, " front ",
" afterwards ", the orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " is based on attached
Orientation or position relationship shown in figure, is for only for ease of description this utility model and simplifies description, rather than indicate or imply
The device or element of indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral；Can be
It is mechanically connected, or electrically connects；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in this utility model.
Embodiment
This utility model embodiment provides a kind of ultrasound wave flue gas flow meter 1, including fixed component 11；The fixed part
Part 11 is connected with controller and detection device 13；The detection device 13 includes that connecting rod 131 and interval are placed in the connecting rod 131
On the first ultrasonic emitting receive sensor 132 and the second ultrasonic emitting and receive sensor 133；The connecting rod 131 and institute
State fixed component 11 to be hinged；First ultrasonic emitting receives sensor 132 and second ultrasonic emitting receives sensing
Spacing between device is L；First ultrasonic emitting receives sensor 132 and second ultrasound emission receives sensor
133 are equipped with probe 134；First ultrasonic emitting receives the probe 134 and second ultrasonic emitting of sensor 132
The probe 134 for receiving sensor is oppositely arranged；The controller is used to control the first ultrasonic emitting reception sensor 132
Sensor emission ultrasound wave is received with second ultrasonic emitting, the time point of record transmitting ultrasound wave records described first
Ultrasonic emitting receives sensor 132 and second ultrasonic emitting receives the time point that sensor 133 receives ultrasound wave.
It is above-mentioned, it is to be understood that the ultrasound wave flue gas flow meter 1 includes controller, first ultrasonic emitting of interval L
Receive sensor 132 and second ultrasonic emitting receives sensor 133, based on the structure, when implementing, only need to carry out letter
Single Function Extension, just can be positioned over ultrasound wave flue gas flow meter 1 in the space of flue gas flow to be detected so that first is ultrasonic
Ripple transmitting receives sensor 132 and second ultrasonic emitting receives the transmission path that ultrasound wave is transmitted between sensor 133
With the flow of flue gas direction in the space of the flue gas flow to be detected into angle α, just can be according to ultrasound wave downbeam, adverse current
Direction Time Calculation used by transmission in same intervals obtains the flue gas flow in flue gas flow space to be detected.Simultaneously because setting
There is the first ultrasonic emitting to receive the connecting rod 131 and fixed component 11 of sensor 132 and the second ultrasonic emitting reception sensor
It is hinged so that connecting rod 131 can be rotated relative to fixed component 11.During actually used, the insertion monitoring holes of fixed component 11
Afterwards, under gravity, detection device 13 is then detected vertically downward, it is to avoid detection device 13 touches chimney (flue)
Wall.And after monitoring flue gas flow, when taking out fixed component 11 from monitoring holes, detection device 13 can be stretched and be exited monitoring holes.Existing
There is the measuring method in technology to compare, simple structure, easy to implement, degree of accuracy is higher, meets actual demand.
It is to be appreciated that insertion flue after with flue gas flow direction keeping parallelism.Due to structure and alignment error, first is ultrasonic
Ripple transmitting receives sensor 132 and second ultrasonic emitting receives sensor 133 and can produce alignment error with flue gas flow direction
Angle, 1 measured value of ultrasonic flowmeter are component value of the flue gas actual flow velocity value on flow of flue gas direction.According to triangle letter
Number Equation for Calculating result finds that, near 0 ° of parallel angle (180 °), its component value is affected less by error angle, and angle is missed
8 ° of its error amounts are differed from less than 1%, in this case, maximum 16 ° installation full-shape error, ultrasonic flowmeter 1 can be allowed to receive
Alignment error affects little, it is ensured that certainty of measurement.In addition, in actual condition, most of monitoring holes are all perpendicular to flue and open
If, the design of ultrasonic flowmeter 1 carries out installation fixation using existing operating mode when take into account installation.Can freely from monitoring
Hole is inserted perpendicularly into or takes out fixed component.Compare with measuring method of the prior art, simple structure, easy to implement, degree of accuracy
It is higher, actual installation condition is combined, job requirements are reduced.
In this utility model embodiment, the fixed component 11 is provided with accommodating cavity 111；In the accommodating cavity 111
It is provided with first ultrasonic emitting reception sensor 132, the second ultrasonic emitting receives sensor and controller connects
The transducer signal line 14 for connecing.
Above-mentioned, it is to be understood that preferably, the transducer signal line 14 is high-temperature titanium alloy transducing line.Titanium alloy is
The alloy of other elements composition is added as base with titanium elements.Titanium has two kinds of paramorphs：Titanium is isomer, and fusing point is
1668 DEG C, be in close-packed hexagonal lattice structure, referred to as α-titanium when less than 882 DEG C；Tie in body-centered cubic character more than 882 DEG C
Structure, referred to as β-titanium.Using the different characteristics of the above two structure of titanium, add appropriate alloying element so as to phase transition temperature and
Constituent content gradually changes and obtains the titanium alloy (titanium alloys) of different tissues, and this kind of titanium alloy transducing line has
Preferable high-temperature resistant result.
It is to be appreciated that preferably, Te Fulong pipelines are surrounded by outside transducer signal line 14, push rod 15 are then passed through and is introduced
Control box.
In this utility model embodiment, the fixed component 11 is connected with push rod 15；The push rod 15 is away from described solid
The one end for determining part 11 is connected with elastomeric element 16；The elastomeric element 16 is limited away from one end connection of the fixed component 11
Position part 17；The limiting component 17 is away from one end of the elastomeric element 16 with the connecting rod 131 towards the fixed component
11 one end abuts.
Above-mentioned, the fixed component 11 is connected with push rod 15；Push rod 15 is flexible away from one end connection of fixed component 11
Part 16；Elastomeric element 16 is connected with limiting component 17 away from one end of fixed component 11；Limiting component 17 deviates from the elasticity
One end of part 16 is abutted towards one end of the fixed component 11 with the connecting rod 131.This kind of structure causes detection device 13
When vertically downward, push rod 15 is pushed away forward under spring force, so as to hold out against detection device 13, it is ensured that detected in measurement process
Device 13 will not affect generation to rock because of flow of flue gas.
In this utility model embodiment, the push rod 15 is placed in the accommodating cavity 111 of the fixed component 11；It is described
Fixed component 11 offers to connect the accommodating cavity 111 with extraneous through hole 112 away from one end of the controller；Institute
State connecting rod 131 to be stretched out by the accommodating cavity 111 is interior；The fixed component 11 offers stopper slot 113；The stopper slot 113
Slide away from one end of the elastomeric element 16 for the push rod 15, so as to adjust the flexible of the limiting component 17.
Above-mentioned, push rod 15 can be placed in the accommodating cavity 111 of the fixed component 11；Opened up by fixed component 11
113 pusher 15 of stopper slot, so as to adjust the flexible of the limiting component 17 so that push rod 15 is under spring force forward
Push away, so as to hold out against detection device 13, it is ensured that in measurement process, detection device 13 will not affect generation to rock because of flow of flue gas.
In this utility model embodiment, the second ultrasonic emitting reception sensor is placed in the connecting rod 131 to deviate from
One end of the fixed component 11.
In this utility model embodiment, also include with 11 clamping of the fixed component and to the fixation fixed component
11 support 18.
It is above-mentioned, it is to be understood that preferably the support 18 is mounting flange.
In this utility model embodiment, the fixed component 11 is straight tube.
In this utility model embodiment, the push rod 15 offers the string holes worn for the transducer signal line 14.
Above-mentioned, push rod 15 offers the string holes worn for transducer signal line 14, and transducer signal line 14 is less prone to be beaten
Folding and winding.
In this utility model embodiment, also include the temperature measuring equipment 19a being connected with the controller.
In this utility model embodiment, also include the air pressure measuring apparatus 19b being connected with the controller.
Above-mentioned, ultrasound wave flue gas flow meter 1 also includes that the temperature measuring equipment 19a being connected with the controller and air pressure are surveyed
Amount device 19b, enriches the function of ultrasound wave flue gas flow meter 1.
Obviously, those skilled in the art should be understood that the function of above-mentioned this utility model embodiment can be with general
Computing device realizing, they can be concentrated on single computing device, or are distributed in multiple computing devices and are constituted
Network on, alternatively, they can be realized with the executable existing program code of computing device, it is thus possible to by they
Storage is in the storage device by computing device performing, or they are fabricated to each integrated circuit modules respectively, or will
Multiple modules or step in them are fabricated to single integrated circuit module to realize.So, functional realiey of the present utility model
It is not restricted to any specific hardware and software to combine.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this
For the technical staff in field, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. are should be included within protection domain of the present utility model.
Claims (10)
1. ultrasound wave flue gas flow meter, it is characterised in that：Including fixed component；The fixed component is connected with controller and detection
Device；The detection device includes that connecting rod and the first ultrasonic emitting for being placed on the connecting rod of interval receive sensor and the
Two ultrasonic emitting receive sensor；The connecting rod is hinged with the fixed component；First ultrasonic emitting receives sensing
It is L that device and second ultrasonic emitting receive the spacing between sensor；First ultrasonic emitting receive sensor and
Second ultrasonic emitting receives sensor and is equipped with probe；First ultrasonic emitting receives the probe of sensor and institute
The probe for stating the second ultrasonic emitting reception sensor is oppositely arranged；The controller is used to control first ultrasonic emitting
Receive sensor and second ultrasonic emitting receives sensor emission ultrasound wave, the time point of record transmitting ultrasound wave, note
Record first ultrasonic emitting receive sensor and second ultrasonic emitting receive sensor receive ultrasound wave when
Between point.
2. ultrasound wave flue gas flow meter as claimed in claim 1, it is characterised in that：The fixed component is provided with accommodating cavity；
Be provided with the containing cavity body with first ultrasonic emitting receive sensor, the second ultrasonic emitting receive sensor and
The transducer signal line that controller is all connected with.
3. ultrasound wave flue gas flow meter as claimed in claim 2, it is characterised in that：The fixed component is connected with push rod；Institute
State push rod elastomeric element is connected with away from one end of the fixed component；The elastomeric element is away from one end of the fixed component
It is connected with limiting component；The limiting component is away from one end of the elastomeric element with the connecting rod towards the fixed component
One end abuts.
4. ultrasound wave flue gas flow meter as claimed in claim 3, it is characterised in that：The push rod is placed in the fixed component
In containing cavity body；The fixed component offers to connect the accommodating cavity with the external world away from one end of the controller
Through hole；The connecting rod is by stretching out in the containing cavity body；The fixed component offers stopper slot；The stopper slot is pushed away for described
Bar slides away from one end of the elastomeric element, so as to adjust the flexible of the limiting component.
5. ultrasound wave flue gas flow meter as claimed in claim 4, it is characterised in that：Second ultrasonic emitting receives sensing
Device is placed in the connecting rod away from one end of the fixed component.
6. ultrasound wave flue gas flow meter as claimed in claim 1, it is characterised in that：Also include with the fixed component clamping simultaneously
To the support of the fixation fixed component.
7. ultrasound wave flue gas flow meter as claimed in claim 2, it is characterised in that：The fixed component is straight tube.
8. ultrasound wave flue gas flow meter as claimed in claim 3, it is characterised in that：The push rod is offered for the transducer
The string holes that holding wire wears.
9. ultrasound wave flue gas flow meter as claimed in claim 1, it is characterised in that：Also include the temperature being connected with the controller
Degree measurement apparatus.
10. ultrasound wave flue gas flow meter as claimed in claim 1, it is characterised in that：Also include what is be connected with the controller
Air pressure measuring apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621043800.2U CN206056689U (en) | 2016-09-07 | 2016-09-07 | Ultrasound wave flue gas flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621043800.2U CN206056689U (en) | 2016-09-07 | 2016-09-07 | Ultrasound wave flue gas flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206056689U true CN206056689U (en) | 2017-03-29 |
Family
ID=58369688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621043800.2U Active CN206056689U (en) | 2016-09-07 | 2016-09-07 | Ultrasound wave flue gas flow meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN206056689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225860A (en) * | 2016-09-07 | 2016-12-14 | 深圳西大仪器有限公司 | Ultrasound wave flue gas flow meter |
-
2016
- 2016-09-07 CN CN201621043800.2U patent/CN206056689U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225860A (en) * | 2016-09-07 | 2016-12-14 | 深圳西大仪器有限公司 | Ultrasound wave flue gas flow meter |
| CN106225860B (en) * | 2016-09-07 | 2023-02-24 | 深圳西大仪器有限公司 | Ultrasonic flue gas flowmeter |
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