CN208383201U - A kind of gas flowmeter - Google Patents
A kind of gas flowmeter Download PDFInfo
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- CN208383201U CN208383201U CN201820867819.1U CN201820867819U CN208383201U CN 208383201 U CN208383201 U CN 208383201U CN 201820867819 U CN201820867819 U CN 201820867819U CN 208383201 U CN208383201 U CN 208383201U
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Abstract
The utility model discloses a kind of gas flowmeters, five logical, pressure sensors and temperature sensor are integrated into a module, avoid cumbersome pipeline caused by split type structure in the prior art, easy bending, not compact technical problem, realize it is compact-sized, be not easy bending.Meanwhile the gas flowmeter after integrating is easy for installation, reduces assembly and maintenance time.
Description
Technical field
The utility model relates to gas flow measurement technical field more particularly to a kind of gas flowmeters.
Background technique
With the development of science and technology, various measuring instruments develop to easy for installation, integrated direction.Currently, city
Gas flowmeter used on field, it is most of be all it is split type, i.e., mechanical structure and monitoring system are to separate, and need to lead to
Pipeline is crossed to connect mechanical structure and monitoring system.It is all not compact enough no matter from the point of view of topology layout or occupied space,
And connecting line is easy to appear broken pipe phenomenon, leads to monitoring inaccuracy.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of gas flowmeter, solve seperated in the prior art
Pipeline caused by formula structure is cumbersome, easy bending, not compact technical problem, realize it is compact-sized, easy for installation, be not easy bending.
Technical solution provided by the utility model is a kind of gas flowmeter, including circuit board, the both ends of the circuit board
It is provided with first and connects mouth and second and connect mouth, described first, which connects mouth and described second, connects and be communicated with five logical between mouth, and described five is logical
Its excess-three port is connect with pressure sensor respectively, and the pressure sensor is connect with the circuit board, and described five lead to interior set
It is equipped with aperture, gas connects mouth from described first and leads into described five, flows through and connect mouth outflow from described second behind the aperture.
Further, it described first connects and is provided with temperature sensor in mouth, the temperature sensor and the circuit board connect
It connects.
Further, described first connect mouth include first connect mouth air inlet, first connect mouth gas outlet, be arranged described first
Connect mouth air inlet and described first connect the first column of hollow form between mouth gas outlet and connect with first column first
Connecting plate;Described second to connect mouth include second connecing mouth air inlet, second connecing mouth gas outlet, be arranged and described second connect mouth air inlet
And described second the second connecting plate that connects the second column of hollow form between mouth gas outlet and connect with second column;It is described
First connecting plate and second connecting plate are connect with the circuit board respectively.
Further, the temperature sensor is arranged in first column.
Further, described five is logical including interconnected port I, port II, port III, port IV and port V, institute
It states port I and connects mouth gas outlet with described first and be connected to, the port II connects mouth air inlet with described second and is connected to, the port
III, the port IV and the port V are disposed side by side between the port I and the port II.
Further, the aperture is arranged between the port IV and the port V.
Further, the circuit board is connected with FPC connector and FPC winding displacement.
Compared with prior art, the advantages and positive effects of the utility model are as follows:
The utility model proposes a kind of gas flowmeters, and five logical, pressure sensors and temperature sensor are integrated a mould
Block avoids cumbersome pipeline caused by split type structure in the prior art, easy bending, not compact technical problem, realizes structure
It is compact, be not easy bending.Meanwhile the gas flowmeter after integrating is easy for installation, reduces assembly and maintenance time.
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
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment gas flowmeter;
Fig. 2 is the assembling structure schematic diagram of the utility model embodiment gas flowmeter;
Fig. 3 is the cross-sectional view of the utility model embodiment gas flowmeter;
Fig. 4 is the structural schematic diagram that the utility model embodiment first connects mouth;
Fig. 5 is the structural schematic diagram that the utility model embodiment five is led to;
Fig. 6 is the work flow diagram of the utility model embodiment gas flowmeter.
Wherein, 100- first connects mouth, and 110- first connects mouth air inlet, and 120- first connects mouth gas outlet, the first column of 130-,
The first connecting plate of 140-, 200- second connect mouth, and 210- second connects mouth gas outlet, and 300- five is logical, 310- port I, 320- port II,
330- port III, 340- port IV, 350- port V, 400- pressure sensor, 410- pressure sensor I, 411- first pressure
Induction end, 420- pressure sensor II, 421- third pressure sensitive end, the 4th pressure sensitive end 422-, the aperture 500-, 600- electricity
Road plate, 700-FPC connector and FPC winding displacement, 800- temperature sensor.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
The utility model discloses a kind of gas flowmeter, referring to Fig.1 shown in structural schematic diagram and assembly shown in Fig. 2 knot
Structure schematic diagram, including circuit board 600, circuit board 600 both play the role of transmitting data, also play the effect of connecting plate,
For connecting other component.The both ends of circuit board 600, which are provided with first and connect mouth 100 and second, connects mouth 200, and first connects 100 He of mouth
Second connects and is communicated with five logical 300 between mouth 200, and five logical 300 its excess-three port are connect with pressure sensor 400 respectively, pressure
Force snesor 400 is connect with circuit board 600, is provided with aperture 500 in five logical 300.Referring to cross-sectional view shown in Fig. 3, gas stream
At work, gas connects mouth 100 from first and enters five logical 300, after flowing through aperture 500 meter, and the pressure of 500 front and back of aperture occurs
Variation generates pressure difference, and the pressure value that pressure sensor 400 will test is transferred to system terminal by circuit board 600, by being
System terminal calculates pressure difference by the pressure value of 500 front and back of aperture according to gas, and calculates gas according to certain formula
Flow.Meanwhile mouth 200 is connect from second after gas through holes mouth 500 and is flowed out.
Further, in order to also measure the temperature of gas while measuring gas flow, mouth 100 is connect first
It is inside provided with temperature sensor 800, temperature sensor 800 is connect with circuit board 600.Gas through first connect mouth 100 enter after with
Temperature sensor 800 contacts, and temperature sensor 800 can be detected out the temperature of the gas entered, and passes through circuit board 600 for gas
Temperature data are transferred to system terminal.
Specifically, circuit board 600 is strip structure, and first, which connects mouth 100 and second, connects mouth 200 and be separately positioned on circuit board
600 both ends.First connect mouth 100 with second connect mouth 200 structure it is identical, first connect mouth 100 for gas inflow, second connects
Mouth 200 is used for the outflow of gas.The structural schematic diagram for connecing mouth 100 referring to shown in Fig. 4 first, first connects mouth 100 including mutual
The first of connection connects mouth air inlet 110 and first and connects mouth gas outlet 120, and first, which connects mouth air inlet 110 and first, connects mouth gas outlet
It is provided with the first column 130 of hollow form between 120, and the first column 130 with first connects mouth air inlet 110, first connects mouth and go out
Port 120 is connected to.The bottom end of first column 130 is provided with the first connecting plate 140, and the first connecting plate 140 passes through screw and circuit
Plate 600 is fixedly connected.Connect that the structure of mouth 100 is identical with first, second to connect mouth 200 include that second to be interconnected connects mouth air inlet
Mouth gas outlet 210 is connect with second, and second, which connects mouth air inlet and second, connects and be provided with the second vertical of hollow form between mouth gas outlet 210
Column, and the second column with second connects mouth air inlet, second connects mouth gas outlet 210 and be connected to.The bottom end of second column is provided with second
Connecting plate, the second connecting plate are fixedly connected by screw with circuit board.First meets wherein the one of mouth gas outlet 120 and five logical 300
The connection of a port, second, which connects mouth air inlet, leads to 300 another port with five and is connected to, and first to connect mouth air inlet 110 be entire
The air inlet of gas flowmeter, second connects the gas outlet that mouth gas outlet 210 is entire gas flowmeter.Extraneous gas is through first
It connects mouth air inlet 110 to enter in five logical 300, then connects mouth gas outlet 210 from second behind aperture 500 and flow out.
The structure for connecing mouth 100 in conjunction with first, temperature sensor 800 are arranged in the first column 130.Mouth air inlet is connect from first
The gases that mouth 110 enters also are contacted with the temperature sensor 800 in the first column 130 simultaneously while flowing to aperture 500,
So that temperature sensor 800 is capable of detecting when the temperature into the gas of gas flowmeter, namely detect gas access holes mouth
Temperature before 500, referred to as meter temperature.
Five logical 300 are mainly used for the conducting of gas, five logical structural schematic diagrams referring to Figure 5, including are interconnected
Port I 310, port II 320, port III 330, port IV 340 and port V 350, port I 310 and first connects mouth
Gas outlet 120 is connected to, and port II 320 connects mouth air inlet with second and is connected to, port III 330, port IV 340 and port V
350 are disposed side by side between port I 310 and port II 320.Port III 330, port IV 340 and port V 350 are distinguished
It being connect with pressure sensor 400, the present embodiment pressure sensor 400 uses the pressure sensor having there are two pressure sensitive end,
I.e. each pressure sensor can measure the pressure of position at two simultaneously.Specifically, pressure sensor 400 includes pressure sensor
I 410 and pressure sensor II 420, pressure sensor I 410 has first pressure induction end 411 and second pressure induction end
(not indicating), pressure sensor II 420 have third pressure sensitive end 421 and the 4th pressure sensitive end 422.Wherein, port III
330 connect with first pressure induction end 411, and port IV 340 is connect with third pressure sensitive end 421, port V 350 and the 4th
Pressure sensitive end 422 connects.
Aperture 500 is arranged between port IV 340 and port V 350.The first pressure induction end being connect with port III 330
411 for measuring the pressure before gas access holes mouth 500, referred to as meter pressure.The third pressure sensitive being connect with through-hole IV 340
For measuring the pressure before gas access holes mouth 500, the 4th pressure sensitive end 422 connecting with port V 350 is used at end 421
Detection gas flow out the pressure behind aperture 500, the pressure value and the 4th pressure sensitive end 422 that third pressure sensitive end 421 measures
The pressure value measured, for calculating pressure difference.First pressure induction end 411, third pressure sensitive end 421 and the 4th pressure sensitive
The pressure value measured is transferred to system terminal by circuit board 600 respectively by end 422, and system terminal is passed through according to the gas received
The pressure value for crossing 500 front and back of aperture, calculates pressure difference, calculates gas flow further according to certain formula.
It should be noted that five logical 300 in the present embodiment can also change according to actual needs in practical applications and be
Four-way, at this point, the measurement of meter pressure is then omitted.
Further, the bottom of circuit board 600 is connected with FPC connector and FPC winding displacement 700, for connecting with system terminal
It connects, the pressure data and temperature data convenient for receiving circuit board 600 are transferred to system terminal.FPC is Flexible
The abbreviation of Printed Circuit is that have height reliability using polyimides or polyester film as one kind made of substrate,
Excellent flexible printed circuit has the characteristics that Distribution density is high, light-weight, thickness is thin, bending is good.
The work flow diagram of the cross-sectional view of gas flowmeter as shown in connection with fig. 3 and gas flowmeter shown in fig. 6, to this
The workflow of embodiment gas flowmeter is briefly described.Extraneous gas connects mouth air inlet 110 into first through first
It connects in mouth 100, a part of gas is contacted with the temperature sensor 800 in the first column 130, and temperature sensor 800 measures outlet
The temperature (i.e. meter temperature) of body, another part gas continue flow forward, through first connect mouth gas outlet 120 flow into port I 310, into
Enter in five logical 300, first pressure induction end 411 measures the pressure value (i.e. meter pressure) at port III 330, third pressure sensitive end
421 measure the pressure value at port IV 340, and gas continues flow forward, and by aperture 500, the 4th pressure sensitive end 422 is surveyed
The pressure value at port V 350 is obtained, gas continues flow forward, flows into second through port II 320 and connects mouth air inlet, most passes through afterwards
Second connects the outflow of mouth gas outlet 210.Meanwhile temperature sensor 800, first pressure induction end 411, third pressure sensitive end 421
And the 4th pressure sensitive end 422 data measured are transferred to system terminal by circuit board 600 respectively.System terminal is according to connecing
The data received calculate the flow of gas further according to certain formula.
Five logical 300, pressure sensor 400 and temperature sensor 800 are integrated a module by the present embodiment, are avoided existing
Pipeline caused by split type structure is cumbersome in technology, easy bending, not compact technical problem, realize it is compact-sized, be not easy bending.
Meanwhile the gas flowmeter after integrating is easy for installation, reduces assembly and maintenance time.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations;
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement;And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (7)
1. a kind of gas flowmeter, which is characterized in that including circuit board, the both ends of the circuit board are provided with first and connect mouth and
Two connect mouth, described first connect mouth and described second connect be communicated between mouth it is five logical, described five its logical excess-three port respectively with
Pressure sensor connection, the pressure sensor connect with the circuit board, described five lead to it is interior be provided with aperture, gas is from described
First, which connects mouth, leads into described five, flows through and connect mouth outflow from described second behind the aperture.
2. gas flowmeter according to claim 1, which is characterized in that described first connects and be provided with temperature sensing in mouth
Device, the temperature sensor are connect with the circuit board.
3. gas flowmeter according to claim 2, which is characterized in that described first, which connects mouth, connects mouth air inlet including first
Mouthful, first connect mouth gas outlet, be arranged in described first and connect mouth air inlet and described first and connect hollow form between mouth gas outlet the
One column and the first connecting plate being connect with first column;Described second to connect mouth include second connecing mouth air inlet, second connecing
Mouth gas outlet, be arranged in described second connect mouth air inlet and described second connect the second column of hollow form between mouth gas outlet and with
Second connecting plate of the second column connection;First connecting plate and second connecting plate connect with the circuit board respectively
It connects.
4. gas flowmeter according to claim 3, which is characterized in that the temperature sensor setting is vertical described first
In column.
5. gas flowmeter according to claim 3, which is characterized in that described five lead to including interconnected port I, lead to
Mouthful II, port III, port IV and port V, the port I connect mouth gas outlet with described first and are connected to, the port II with it is described
Second connects the connection of mouth air inlet, and the port III, the port IV and the port V are disposed side by side on the port I and described
Between port II.
6. gas flowmeter according to claim 5, which is characterized in that aperture setting is in the port IV and described
Between port V.
7. gas flowmeter according to claim 1 to 6, which is characterized in that the circuit board is connected with FPC
Connector and FPC winding displacement.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820867819.1U CN208383201U (en) | 2018-06-06 | 2018-06-06 | A kind of gas flowmeter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820867819.1U CN208383201U (en) | 2018-06-06 | 2018-06-06 | A kind of gas flowmeter |
Publications (1)
Publication Number | Publication Date |
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CN208383201U true CN208383201U (en) | 2019-01-15 |
Family
ID=64969181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820867819.1U Active CN208383201U (en) | 2018-06-06 | 2018-06-06 | A kind of gas flowmeter |
Country Status (1)
Country | Link |
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CN (1) | CN208383201U (en) |
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2018
- 2018-06-06 CN CN201820867819.1U patent/CN208383201U/en active Active
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Address after: High tech Zone of Shandong Province, Qingdao City, 266109 East Road No. 379 Patentee after: Qingdao Laoying Haina Photoelectric Environmental Protection Group Co., Ltd. Address before: High tech Zone of Shandong Province, Qingdao City, 266109 East Road No. 379 Patentee before: Qingdao Haina Guangdian Environmental Protection Co., Ltd. |