CN207540584U - A kind of integral-type backing tube - Google Patents
A kind of integral-type backing tube Download PDFInfo
- Publication number
- CN207540584U CN207540584U CN201721321493.4U CN201721321493U CN207540584U CN 207540584 U CN207540584 U CN 207540584U CN 201721321493 U CN201721321493 U CN 201721321493U CN 207540584 U CN207540584 U CN 207540584U
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- CN
- China
- Prior art keywords
- backing tube
- signal acquisition
- processing apparatus
- bend pipe
- tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of integral-type backing tube, including pressure difference transmitter, armoured thermocouple, signal acquisition and processing apparatus and the backing tube bend pipe being set together and backing tube straight tube, signal acquisition and processing apparatus is arranged on backing tube bend pipe and backing tube straight tube, and armoured thermocouple is arranged in the gap between backing tube bend pipe and backing tube straight tube；The upper end of backing tube bend pipe and backing tube straight tube is connected with pressure difference transmitter, and pressure difference transmitter and armoured thermocouple are connected with signal acquisition and processing apparatus.By using armoured thermocouple, the temperature of detected fluid can accurately be measured, and temperature signal is passed through into signal acquisition and processing apparatus, differential pressure signal is transmitted to by signal acquisition and processing apparatus using differential pressure transmitter, pressure difference and temperature signal are acquired, and processing obtains flow velocity and data on flows in real time using signal acquisition and processing apparatus；The utility model is simple in structure, easy for installation, prevents from blocking, and can measure temperature, pressure and processing in real time simultaneously and obtain flow velocity and flow.
Description
Technical field
The utility model is related to one kind for detecting gas flow temperature, pressure difference, and processing in real time obtains leaning on for flow velocity and flow
Penstock, and in particular to a kind of integral-type backing tube, especially suitable for temperature, pressure difference, flow velocity and flow need to be measured simultaneously
Flue or other discharge ducts, and data is facilitated to transmit.
Background technology
Backing tube is a kind of non-standard measuring cell, is widely used in scientific research, is produced, teaching, environmental protection and clean room, ore deposit
Well is divulged information, energy management department measurement air velocity duct, air velocity in flue etc..Two measurement pipe difference when backing tube measures
Total head and static pressure are measured simultaneously, by pressure difference to determine air velocity, and flow can be determined by conversion.Backing tube is by two
Metal tube forms side by side, and side is made two opposite openings of direction, and during measure, the pressure that the opening of object gas flow measures is suitable
In total head, the pressure measured backwards to the opening of air-flow is equivalent to static pressure.Backing tube efflux coefficient is by structure size and setting angle
Deng influence, correction coefficient must be recalibrated before use.Backing tube have it is simple in structure, using with it is easily manufactured, price is just
Preferably, it is firm reliable, the advantages that precision is high, anti-clogging.
Traditional backing tube can only be simple measurement pressure, it is impossible to these procedure parameters of temperature, pressure difference, flow velocity and flow
Integral type measurement is carried out, and data transmission also needs to transmit by special acquisition system cable.At the scene in practical measurement, if needing
Temperature, pressure difference, flow velocity and flow are wanted, also other instruments is needed to measure, and some live occasion arrangement acquisition cables are more difficult, this
So that measurement process is extremely inconvenient.
Utility model content
To overcome the problems of the prior art, the utility model aim is to provide a kind of integral-type backing tube,
Temperature, pressure difference are measured while the integral type backing tube fast and easy, and processing obtains flow velocity and flow, and can radio remote in real time
Journey transmission measurement signal.
To realize the above-mentioned technical purpose, the utility model is achieved through the following technical solutions：
A kind of integral-type backing tube, including pressure difference transmitter, armoured thermocouple, signal acquisition and processing apparatus and
The backing tube bend pipe and backing tube straight tube being set together, signal acquisition and processing apparatus is arranged on backing tube bend pipe and backing tube is straight
Guan Shang, armoured thermocouple are arranged in the gap between backing tube bend pipe and backing tube straight tube；Backing tube bend pipe and backing tube are straight
The upper end of pipe is connected with pressure difference transmitter, and pressure difference transmitter and armoured thermocouple are connected with signal acquisition and processing apparatus.
The utility model, which further improves, to be, the bottom of backing tube bend pipe and backing tube straight tube is cut into and axis
Line back-to-back is welded together into 30~45 degree of plane.
The utility model further improve is, backing tube straight tube in face of direction of flow setting, backing tube bend pipe back to
Direction of flow is set.
The utility model, which further improves, to be, at the fluid inlet of backing tube straight tube above make a call to one and be used for armouring
The aperture that the head of thermocouple is stretched out, makes the head surface of armoured thermocouple to direction of flow.
The utility model, which further improves, to be, signal acquisition and processing apparatus is fixed at backing tube elbow curvature
3~6 centimeters.
The utility model, which further improves, to be, backing tube bend pipe and backing tube straight tube are set on the base mounting plate, signal
Acquisition processing device is fixed on the base mounting plate by nut.
The utility model, which further improves, to be, liquid crystal display is provided on signal acquisition and processing apparatus.
The utility model, which further improves, to be, point-to-point wireless simulation amount letter is equipped on signal acquisition and processing apparatus
Number transmitter.
The utility model, which further improves, to be, differential pressure transmitter is fixed on the base mounting plate by nut.
Compared with prior art, the utility model has the advantage that as follows：The utility model is by using armouring warm
Galvanic couple can accurately measure the temperature of detected fluid, and by temperature signal by signal acquisition and processing apparatus, using differential pressure transporting
Differential pressure signal is transmitted to signal acquisition and processing apparatus by device, and pressure difference and temperature signal are acquired using signal acquisition and processing apparatus, and
Processing obtains flow velocity and data on flows in real time；The utility model is simple in structure, easy for installation, prevents from blocking, and can measure temperature simultaneously
Degree, pressure and processing in real time obtain flow velocity and flow.
Further, it is shown on liquid crystal display, it can also will be warm by point-to-point wireless simulation amount signal transmission device
Degree, pressure difference, flow velocity and flow signal are remotely output to computer.
Further, the bottom of backing tube bend pipe and backing tube straight tube is cut into axis into 30 in the utility model
~45 degree of plane, and it is back-to-back weld together, by one section of backing tube straight tube in face of direction of flow, ensureing accurate survey
While measuring total head, it is also possible to prevent that choking phenomenon occurs.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is backing tube straight tube schematic diagram.
In figure：1-the first nut, 2-base plate, the 3-the first connecting pipe, 4-backing tube bend pipe, the 5-the second nut,
6-signal acquisition and processing apparatus, 7-third nut, 8-armoured thermocouple, 9-aperture, 10-differential pressure transmitter, 11-the four
Nut, the 12-the second connecting pipe, 13-backing tube straight tube, 14-to wireless simulation amount signal transmission device, a 15-liquid crystal display
Screen, the 16-the five nut.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings, description of the drawings is new to this practicality for providing herein
Type is further understood, and forms the part of the application.
Referring to Fig. 1 and Fig. 2, a kind of integral-type backing tube of the utility model, including base plate 2, backing tube, armour
Fill thermocouple 8, signal acquisition and processing apparatus 6, differential pressure transmitter 10 and to a wireless simulation amount signal transmission device 14；
Differential pressure transmitter 10 is fixed on by the first nut 1 and the 4th nut 11 on base plate 2.
Backing tube includes backing tube bend pipe 4 and backing tube straight tube 13.The backing tube bend pipe 4 only has at pressure export and has one
Section bending, remaining is straight tube；Backing tube straight tube 13 and 4 bottom of backing tube bend pipe are cut into flat into 30~45 degree with axis
Face, and back-to-back weld together.I.e. backing tube bottom end longitudinal section is triangular in shape.
Backing tube straight tube 13 faces direction of flow, and what is measured is air-flow total head；Backing tube bend pipe 4 is surveyed back to direction of flow
What is obtained is static pressure.
The upper end of backing tube bend pipe 4 is connected by the first connecting pipe 3 with pressure difference transmitter 10, the upper end of backing tube straight tube 13
It is connected by the second connecting pipe 12 with pressure difference transmitter 10, pressure difference transmitter 10 is connected with signal acquisition and processing apparatus 6.Pressure difference becomes
Send device 10 that the pressure difference signal measured is input to signal acquisition and processing apparatus 6.
Armoured thermocouple 8 is fixed in the gap between backing tube straight tube 13 and backing tube bend pipe 4,13 He of backing tube straight tube
The straight-tube portion of backing tube bend pipe 4 welds together, and due to being all cylindric, is contacted between the two for line, armoured thermocouple 8 is set
It puts in the space between 4 side wall of backing tube straight tube 13 and backing tube bend pipe；Above at the fluid inlet of backing tube straight tube 13
An aperture 9 is made a call to, aperture 9 stretches out for the head of armoured thermocouple 8, ensures the head surface of armoured thermocouple 8 to direction of flow；
And do encapsulation process.
Signal acquisition and processing apparatus 6 is fixed on apart from 4 knee of backing tube bend pipe, 3~6 centimeters, specifically, backing tube
Bend pipe 4 and backing tube straight tube 13 are arranged on base plate 2, and signal acquisition and processing apparatus 6 is placed on backing tube bend pipe 4 and backing tube
On straight tube 13, and it is fixed by the second nut 5,7 and the 5th nut 16 (there are one the nuts not marked) of third nut
On base plate 2.Signal acquisition and processing apparatus 6 is simultaneously connected with armoured thermocouple 8；It is provided on signal acquisition and processing apparatus 6
Liquid crystal display 15 can directly display temperature, pressure difference, flow velocity and flow；It is equipped on signal acquisition and processing apparatus 6 point-to-point
The data wireless remote of temperature, pressure difference, flow velocity and flow can be output to computer by wireless simulation amount signal transmission device 14.This
Point-to-point wireless simulation amount signal transmission device 14 does not have to programming in utility model, without wiring, passes through wireless transmission terminal and nothing
Line receives terminal composition, and instead of wire signal transfer wire, farthest effective distance is up to 3km.Point-to-point wireless simulation amount letter
Number transmitter 14 sends out the temperature received from signal acquisition and processing apparatus, pressure difference, flow velocity and data on flows by wireless signal
Emitter emits, and computer can be received directly.
When the utility model is used as detecting element, the bottom of backing tube straight tube 13 is surveyed at port by gas shock
The pressure obtained is total head, and the pressure measured at backing tube elbow port is static pressure；By pressure difference transmitter 10 by total head with
The pressure difference of static pressure passes to signal acquisition and processing apparatus 6.Meanwhile the temperature of air-flow is conveyed to signal acquisition by armoured thermocouple 8
Processing unit 6 handles to obtain flow velocity and flow, and displays temperature, pressure on liquid crystal display 15 by Bernoulli equation in real time
The numerical value of difference, flow velocity and flow.Point-to-point wireless simulation amount signal transmission device 14 is wireless by the data of signal acquisition and processing apparatus 6
Remotely it is output to computer.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of integral-type backing tube, which is characterized in that including pressure difference transmitter (10), armoured thermocouple (8), signal
Acquisition processing device (6) and the backing tube bend pipe (4) being set together and backing tube straight tube (13), signal acquisition and processing apparatus
(6) it is arranged on backing tube bend pipe (4) and backing tube straight tube (13), armoured thermocouple (8) is arranged on backing tube bend pipe (4) and leans on
In gap between penstock straight tube (13)；The upper end of backing tube bend pipe (4) and backing tube straight tube (13) is and pressure difference transmitter
(10) it is connected, pressure difference transmitter (10) and armoured thermocouple (8) are connected with signal acquisition and processing apparatus (6).
2. a kind of integral-type backing tube according to claim 1, which is characterized in that backing tube bend pipe (4) and lean on
The bottom of penstock straight tube (13) is cut into axis into 30~45 degree of plane, and back-to-back is welded together.
3. a kind of integral-type backing tube according to claim 2, which is characterized in that backing tube straight tube (13) faces
Direction of flow is set, and backing tube bend pipe (4) is set back to direction of flow.
4. a kind of integral-type backing tube according to claim 1, which is characterized in that in backing tube straight tube (13)
The aperture (9) that a head for armoured thermocouple (8) is stretched out is made a call in top at fluid inlet, makes the head of armoured thermocouple (8)
Portion faces direction of flow.
A kind of 5. integral-type backing tube according to claim 1, which is characterized in that signal acquisition and processing apparatus
(6) it is fixed on apart from 3~6 centimeters of backing tube bend pipe (4) knee.
6. a kind of integral-type backing tube according to claim 1, which is characterized in that backing tube bend pipe (4) and lean on
Penstock straight tube (13) is arranged on base plate (2), and signal acquisition and processing apparatus (6) is fixed on by nut on base plate (2).
A kind of 7. integral-type backing tube according to claim 1, which is characterized in that signal acquisition and processing apparatus
(6) liquid crystal display (15) is provided on.
A kind of 8. integral-type backing tube according to claim 1, which is characterized in that signal acquisition and processing apparatus
(6) point-to-point wireless simulation amount signal transmission device (14) is installed on.
9. a kind of integral-type backing tube according to claim 1, which is characterized in that differential pressure transmitter (10) passes through
Nut is fixed on base plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321493.4U CN207540584U (en) | 2017-10-13 | 2017-10-13 | A kind of integral-type backing tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321493.4U CN207540584U (en) | 2017-10-13 | 2017-10-13 | A kind of integral-type backing tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207540584U true CN207540584U (en) | 2018-06-26 |
Family
ID=62610295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721321493.4U Expired - Fee Related CN207540584U (en) | 2017-10-13 | 2017-10-13 | A kind of integral-type backing tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207540584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568214A (en) * | 2019-09-16 | 2019-12-13 | 国网河北省电力有限公司电力科学研究院 | Unmanned automatic collection device for wind speed of boiler cold state dynamic field |
-
2017
- 2017-10-13 CN CN201721321493.4U patent/CN207540584U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568214A (en) * | 2019-09-16 | 2019-12-13 | 国网河北省电力有限公司电力科学研究院 | Unmanned automatic collection device for wind speed of boiler cold state dynamic field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20191013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |