CN209525359U - Gas flow rate detection device based on Pitot tube differential pressure - Google Patents
Gas flow rate detection device based on Pitot tube differential pressure Download PDFInfo
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- CN209525359U CN209525359U CN201821849257.4U CN201821849257U CN209525359U CN 209525359 U CN209525359 U CN 209525359U CN 201821849257 U CN201821849257 U CN 201821849257U CN 209525359 U CN209525359 U CN 209525359U
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- microprocessor
- pitot tube
- differential pressure
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Abstract
The utility model discloses a kind of gas flow rate detection devices based on Pitot tube differential pressure, including microprocessor, Pitot tube group, environmental pressure probe, pipe temperature probe, pipeline pressure probe, RFID card reading module and communication module, Pitot tube group is popped one's head in including at least three differential pressures, environmental pressure probe is connect with the first digital input end of microprocessor, pipe temperature probe is connect with the second digital input end of microprocessor, pipeline pressure probe is connect with the third digital input end of microprocessor, the connection of first input/output terminal of RFID card reading module and microprocessor, the connection of second input/output terminal of communication module and microprocessor.The utility model solves the problems, such as that Pitot tube measurement gas flow rate precision and range are runed counter to, and precision and range is made to be enhanced.
Description
Technical field
The utility model relates to flow rate detection technical fields, more specifically, are related to a kind of gas based on Pitot tube differential pressure
Body flow monitor.
Background technique
The current velocity testing method of mainstream mainly has the methods of vane type, hot type, ultrasonic wave and Pitot tube, vane type gas at present
The principle of body flow velocity measurement is to convert electric signal for machinery to measure wind speed, and low measurement accuracy is not suitable for micro-
The measurement of the measurement of wind speed and the variation of tiny wind speed.The principle of heating type gas flow velocity measurement is that hot member is taken away based on cold shock air-flow
Heat on part measures wind speed by thermal change amplitude, if the different air-flows from all directions impact hot member simultaneously
Part will result in biggish measuring wind speed error, while also be unable to get accurate wind direction information.The work of ultrasonic wave bearing is former
Reason is that the measurement of wind speed is realized using ultrasonic wave time difference method, and measurement error is big under disadvantage is at high cost and low flow velocity environment, together
When to measurement environment noise requirements it is relatively high.Pitot tube is measurement air-flow stagnation pressure and static pressure to determine air velocity, principle
It is fairly simple, it is cheap, the disadvantage is that differential pressure conversion probe can not be compatible with the wind speed of wide range in the case where precision is certain,
And it cannot achieve the high-precision of measurement in the biggish situation of range.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of gas stream based on Pitot tube differential pressure
Speed detector solves the problems, such as that Pitot tube measurement gas flow rate precision and range are runed counter to, precision and range is made to have one
A biggish raising.
The purpose of this utility model is achieved through the following technical solutions: a kind of gas stream based on Pitot tube differential pressure
Speed detector, including microprocessor, Pitot tube group, environmental pressure probe, pipe temperature probe, pipeline pressure probe, RFID
Card reading module and communication module, the Pitot tube group are popped one's head in including at least three differential pressures, the environmental pressure probe and micro process
First digital input end of device connects, and the pipe temperature probe is connect with the second digital input end of microprocessor, the pipe
First input of the connection of the third digital input end of road pressure probe and microprocessor, the RFID card reading module and microprocessor
Second input/output terminal of output end connection, the communication module and microprocessor connects；The data output of first differential pressure probe
End is connect with the 4th digital input end of microprocessor, the data output end of the second differential pressure probe and the 5th number of microprocessor
Input terminal connection, the data output end of third differential pressure probe and the 6th digital input end of microprocessor connect.
Further, including display module, the data input/output terminal of the display module and the third of microprocessor are defeated
Enter output end connection.
Further, including button operation plate and battery module, the control port of the button operation plate and microprocessor
The power port of connection, the battery module and microprocessor connects.
Further, the communication module includes Bluetooth communication modules.
Further, the display module includes liquid crystal display.
The beneficial effects of the utility model are:
(1) the utility model passes through microprocessor, Pitot tube group, environmental pressure probe, pipe temperature pressure probe, pipeline
Pressure probe, RFID card reading module and communication module etc. survey wind speed using Pitot tube differential pressure, and structure is simple, at low cost, by adopting
With different accuracy, multiple differential pressure pick-ups of different range abilities realize the function of fragmentary works, solve Pitot tube measurement gas
The problem of body flow rate accuracy and range are runed counter to, making precision and range has a biggish raising.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the circuit structure block diagram of the utility model.
Specific embodiment
The technical solution of the utility model, but the protection scope of the utility model are described in further detail with reference to the accompanying drawing
It is not limited to as described below.Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), is removed
It non-specifically describes, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, often
A feature is an example in a series of equivalent or similar characteristics.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Before embodiment is described, need to explain some necessary terms.Such as:
If occurring describing various elements using the terms such as " first ", " second " in the application, but these elements are not answered
It is limited when by these terms.These terms are only used to distinguish an element and another element.Therefore, discussed below
" first " element can also be referred to as " second " element without departing from the introduction of the utility model.It should be understood that if referring to
One element " connection " perhaps " coupled " to another element when its can be directly connected or be directly coupled to another element or
There may also be intermediary elements.On the contrary, when referring to an element being " directly connected " or " directly coupled " to another element,
Intermediary element is then not present.
The various terms occurred in this application are used only for the purpose of description specific embodiment and are not intended as pair
The restriction of the utility model, unless the context clearly indicates otherwise, otherwise singular intention also includes plural form.
When the terms " comprising " and/or " comprising " are used in this specification, these terms specify the feature, whole
The presence of body, step, operations, elements, and/or components, but be also not excluded for more than one other feature, entirety, step, operation,
The presence of component, assembly unit and/or its group and/or additional.
As shown in Figure 1, a kind of gas flow rate detection device based on Pitot tube differential pressure, including microprocessor, Pitot tube group,
Environmental pressure probe, pipe temperature probe, pipeline pressure probe, RFID card reading module and communication module, the Pitot tube group packet
At least three differential pressures probe is included, the environmental pressure probe is connect with the first digital input end of microprocessor, the pipeline temperature
Degree probe is connect with the second digital input end of microprocessor, the third numeral input of the pipeline pressure probe and microprocessor
First input/output terminal of end connection, the RFID card reading module and microprocessor connects, the communication module and microprocessor
The second input/output terminal connection；The data output end of first differential pressure probe and the 4th digital input end of microprocessor connect,
The data output end of second differential pressure probe and the 5th digital input end of microprocessor connect, the data output of third differential pressure probe
End is connect with the 6th digital input end of microprocessor.
Further, including display module, the data input/output terminal of the display module and the third of microprocessor are defeated
Enter output end connection.
Further, including button operation plate and battery module, the control port of the button operation plate and microprocessor
The power port of connection, the battery module and microprocessor connects.
Further, the communication module includes Bluetooth communication modules.
Further, the display module includes liquid crystal display.
Embodiment 1
As shown in Figure 1, those skilled in the art can be using the utility model as a kind of gas stream based on Pitot tube differential pressure
Speed detector is implemented, in this embodiment, including microprocessor, Pitot tube group, environmental pressure probe, pipe temperature
Probe, pipeline pressure probe, RFID card reading module and communication module, the Pitot tube group are popped one's head in including at least three differential pressures, institute
It states environmental pressure probe to connect with the first digital input end of microprocessor, the second of pipe temperature pressure probe and microprocessor
Digital input end connection, pipeline pressure probe are connect with the third digital input end of microprocessor, RFID card reading module and
First input/output terminal of microprocessor connects, and the second input/output terminal of the communication module and microprocessor connects；First
Differential pressure probe data output end and microprocessor the 4th digital input end connect, the second differential pressure probe data output end with
5th digital input end of microprocessor connects, the data output end of third differential pressure probe and the 6th numeral input of microprocessor
End connection.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to the actual situation
To meet different specific actual demands.It will be apparent, however, to one skilled in the art that: this need not be used
A little specific details carry out the utility model.In other instances, it in order to avoid obscuring the utility model, does not specifically describe known
Composition, structure or component limit technical protection model in the claimed technical solution of claims of the utility model
Within enclosing.
In the description of the present invention, unless otherwise clearly defined and limited, term " setting ", " installation ", " phase
Even ", " connection " is broader sense, and those skilled in the art should broadly understood.It, can also be with for example, it may be fixedly connected
It is to be flexibly connected, or be entirely connected, or locally connect, can be mechanical connection, be also possible to be electrically connected, can be straight
It connects connected, is also possible to be indirectly connected with by intermediary, can also be the connection etc. inside two elements, for this field
For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be, that is, word language
Expression can be flexibly corresponding with the implementation of actual techniques, the table of the word language (including attached drawing) of the specification of the utility model
Up to any single restricted explanation not constituted to claim.
Changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then all should be in this reality
In protection scope with novel appended claims.In the above description, it in order to provide the thorough understanding to the utility model, explains
A large amount of specific details are stated.It will be apparent, however, to one skilled in the art that: these specific details need not be used
To carry out the utility model.In other instances, in order to avoid obscuring the utility model, well known technology, example are not specifically described
Such as specific construction details, operating condition and other technical conditions etc..
Claims (5)
1. a kind of gas flow rate detection device based on Pitot tube differential pressure, which is characterized in that including microprocessor, Pitot tube group,
Environmental pressure probe, pipe temperature probe, pipeline pressure probe, RFID card reading module and communication module, the Pitot tube group packet
At least three differential pressures probe is included, the environmental pressure probe is connect with the first digital input end of microprocessor, the pipeline temperature
Degree probe is connect with the second digital input end of microprocessor, the third numeral input of the pipeline pressure probe and microprocessor
First input/output terminal of end connection, the RFID card reading module and microprocessor connects, the communication module and microprocessor
The second input/output terminal connection；The data output end of first differential pressure probe and the 4th digital input end of microprocessor connect,
The data output end of second differential pressure probe and the 5th digital input end of microprocessor connect, the data output of third differential pressure probe
End is connect with the 6th digital input end of microprocessor.
2. the gas flow rate detection device according to claim 1 based on Pitot tube differential pressure, which is characterized in that including display
Module, the data input/output terminal of the display module and the third input/output terminal of microprocessor connect.
3. the gas flow rate detection device according to claim 1 based on Pitot tube differential pressure, which is characterized in that including key
The control port of operation panel and battery module, the button operation plate and microprocessor connects, the battery module and micro process
The power port of device connects.
4. the gas flow rate detection device according to claim 1 based on Pitot tube differential pressure, which is characterized in that the communication
Module includes Bluetooth communication modules.
5. the gas flow rate detection device according to claim 2 based on Pitot tube differential pressure, which is characterized in that the display
Module includes liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821849257.4U CN209525359U (en) | 2018-11-10 | 2018-11-10 | Gas flow rate detection device based on Pitot tube differential pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821849257.4U CN209525359U (en) | 2018-11-10 | 2018-11-10 | Gas flow rate detection device based on Pitot tube differential pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525359U true CN209525359U (en) | 2019-10-22 |
Family
ID=68213369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821849257.4U Active CN209525359U (en) | 2018-11-10 | 2018-11-10 | Gas flow rate detection device based on Pitot tube differential pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209525359U (en) |
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2018
- 2018-11-10 CN CN201821849257.4U patent/CN209525359U/en active Active
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