CN216954676U - Gas flow detection device capable of stabilizing gas flow - Google Patents
Gas flow detection device capable of stabilizing gas flow Download PDFInfo
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- CN216954676U CN216954676U CN202220713091.3U CN202220713091U CN216954676U CN 216954676 U CN216954676 U CN 216954676U CN 202220713091 U CN202220713091 U CN 202220713091U CN 216954676 U CN216954676 U CN 216954676U
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- gas flow
- connecting pipe
- stabilizing
- device capable
- deflector
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Abstract
The utility model relates to the technical field of gas flow detection, and discloses a gas flow detection device capable of stabilizing gas flow, which comprises a detector main body, wherein a control circuit board is arranged in the detector main body, a thermal resistor and a temperature sensor are arranged below the control circuit board, a connecting pipe is arranged on the outer side of the detector main body, a fluid director is arranged in the connecting pipe and used for stabilizing the gas flow, an annular gland is also arranged in the connecting pipe and used for fixing the fluid director, and the impact and fluctuation between gases are reduced by adding the fluid director in the connecting pipe, so that the passing gas flow is changed into stable gas flow, the flow detection result is more accurate, and the deviation of the detection result caused by turbulent gas flow in the connecting pipe is avoided.
Description
Technical Field
The utility model relates to the technical field of gas flow detection, in particular to a gas flow detection device capable of stabilizing gas flow.
Background
Thermal formula flowmeter adopts the thermal diffusion principle, and when gaseous thermal resistance after the heating, can take away partly heat, the heat change through detecting the thermal resistance calculates gas flow, because gaseous at the flow in-process, when getting into the pipeline of flowmeter by the pipeline, the diameter changes, and then has turbulent phenomenon, and fluctuation and impact between the gas may lead to the detector error to appear, influence gas flow's whole measurement accuracy.
Therefore, in order to solve these problems, a gas flow rate detecting device capable of stabilizing the gas flow is required.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the gas flow detection device capable of stabilizing the gas flow, and the gas flow detection device has the advantage of accurate flow detection.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a gas flow detection device that can stabilize air current, includes the detector main part, be provided with control circuit board in the detector main part, control circuit board's below is provided with thermal resistance and temperature sensor, the outside of detector main part is provided with the connecting pipe, be provided with the divertor in the connecting pipe, the divertor is used for stabilizing the air current, still be provided with annular gland in the connecting pipe, annular gland is used for fixed divertor.
Preferably, the detector main part includes the gauge outfit, is provided with the display screen that shows gas flow on the gauge outfit, the below of gauge outfit is provided with the installation pipe, and the end setting of installation pipe is in the connecting pipe, and is provided with the sealing washer between installation pipe and the connecting pipe.
Preferably, the control circuit board is electrically connected with the thermal resistor and the temperature sensor, and the control circuit board is electrically connected with the display screen on the gauge outfit.
Preferably, the deflector comprises a deflector shell, a deflector plate and a collecting pipe, wherein the deflector plate is a grid plate shaped like a Chinese character 'jing', the deflector plate is fixed in the deflector shell, and the collecting pipe is fixedly connected to one end of the deflector shell.
Preferably, the outer side of the annular gland is provided with an external thread, the inner wall of the connecting pipe is provided with an internal thread, and the annular gland is in threaded connection with the connecting pipe.
Preferably, the inner wall of the connecting pipe is provided with a limiting block.
Preferably, two ends of the connecting pipe are fixedly connected with flange plates.
Has the advantages that:
this gas flow detection device that can stabilize air current through increase the divertor in the connecting tube, reduces impact and fluctuation between the gas, makes the air current of process become steady air current, makes the result of flow detection more accurate, avoids the testing result that turbulent air flow caused in the connecting tube to appear the deviation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is a schematic view of the annular gland of the present invention;
fig. 4 is a schematic structural view of a flow deflector according to the present invention.
In the figure: 1. a detector body; 2. a connecting pipe; 3. a flange plate; 4. a control circuit board; 5. a thermal resistor; 6. a temperature sensor; 7. a limiting block; 8. a deflector housing; 9. a baffle; 10. a collection pipe; 11. an annular gland; 12. and (4) external threads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an air flow detecting device capable of stabilizing air flow includes a detector main body 1, the detector main body 1 includes a meter head, a display screen for displaying air flow is disposed on the meter head, an installation pipe is disposed below the meter head, a tail end of the installation pipe is disposed in a connection pipe 2, and a sealing ring is disposed between the installation pipe and the connection pipe 2.
Detector body 1 is inside to be equipped with control circuit board 4, and control circuit board 4's below electric connection has thermal resistance 5 and temperature sensor 6, and thermal resistance 5 and temperature sensor 6 should be located inside connecting pipe 2, can heat to constant temperature for thermal resistance 5 through control circuit board 4, and temperature sensor 6 can the temperature variation of real-time supervision thermal resistance 5.
The connecting pipe 2 is internally provided with a fluid director used for stabilizing air flow, one end of the fluid director is opposite to the thermal resistor 5, a limiting block 7 is arranged inside the connecting pipe 2 and on one side of the fluid director, the limiting block 7 is used for limiting when the fluid director is installed, an annular gland 11 is arranged inside the connecting pipe 2 and on the other end of the fluid director, external threads 12 are arranged on the outer side of the annular gland 11, internal threads are arranged on the inner wall of the connecting pipe 2, the annular gland 11 is in threaded connection with the connecting pipe 2, the annular gland 11 can be fixed in the connecting pipe 2 by matching with the limiting block 7, and four bulges are fixed on one side, far away from the fluid director, of the annular gland 11 through welding in order to facilitate the assembly and disassembly of the annular gland 11.
Referring to fig. 2 and 4, as a preferred solution of the present embodiment, the deflector includes a deflector housing 8, a deflector plate 9 and a collecting pipe 10, wherein the deflector plate 9 is a grid plate shaped like a Chinese character 'jing', the deflector plate 9 is fixed inside the deflector housing 8 by welding, and the collecting pipe 10 is fixed at one end outside the deflector by welding.
The working process and principle are as follows: during installation, the fluid director is only required to be placed into the connecting pipe 2, the limiting block 7 can limit the fluid director, the annular gland 11 is screwed into the connecting pipe 2, the fluid director is fixed through the matching of the annular gland 11 and the limiting block 7, the structure is simple to install, and during installation, one side of the flow guide plate 9 of the fluid director is required to be opposite to the thermal resistor 5.
When the device is used, the device is connected into a pipeline to be detected through the flange plate 3, one side of the fluid director is required to be connected with an air inlet pipeline when the device is installed, the control circuit board 4 heats the thermal resistor 5, the temperature of the thermal resistor 5 is required to be maintained at a constant level, and the temperature of the thermal resistor 5 is detected in real time through the temperature sensor 6.
When the airflow passes through the connecting pipe 2, the airflow firstly passes through the annular gland 11 and the collecting pipe 10 and then contacts the fluid director shell 8, the space in the fluid director shell 8 is divided into a plurality of small spaces by the guide plate 9 in the shape of a Chinese character 'jing', and when the airflow passes through, the airflow is also divided by the guide plate 9, so that the fluctuation and the impact among the airflows are reduced, and the stability of the airflow is improved.
When stable air current passes through thermal resistor 5, can take away partly with thermal resistor 5's heat, lead to thermal resistor 5 temperature to descend, gas flow is big more, and then thermal resistor 5 temperature descends more, and temperature sensor 6 can be with during thermal resistor 5's temperature variation result transmits control circuit board 4, and control circuit board 4 can change temperature variation into flow numerical value to during transmitting the display screen of detector main part 1, show in the display screen.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a can stabilize gas flow detection device of air current, includes the detector main part, its characterized in that: the detector is characterized in that a control circuit board is arranged in the detector body, a thermal resistor and a temperature sensor are arranged below the control circuit board, a connecting pipe is arranged on the outer side of the detector body, a fluid director is arranged in the connecting pipe and used for stabilizing air flow, and an annular gland is further arranged in the connecting pipe and used for fixing the fluid director.
2. A gas flow rate detecting device capable of stabilizing a gas flow according to claim 1, wherein: the detector main part includes the gauge outfit, is provided with the display screen that shows gas flow on the gauge outfit, the below of gauge outfit is provided with the installation pipe, and the end setting of installation pipe is in the connecting pipe, and is provided with the sealing washer between installation pipe and the connecting pipe.
3. A gas flow rate detecting device capable of stabilizing a gas flow according to claim 1, wherein: the control circuit board is electrically connected with the thermal resistor and the temperature sensor, and the control circuit board is electrically connected with the display screen on the gauge outfit.
4. A gas flow rate detecting device capable of stabilizing a gas flow according to claim 1, wherein: the deflector comprises a deflector shell, a deflector plate and a collecting pipe, wherein the deflector plate is a grid plate shaped like a Chinese character 'jing', the deflector plate is fixed in the deflector shell, and the collecting pipe is fixedly connected to one end of the deflector shell.
5. A gas flow rate detecting device capable of stabilizing a gas flow according to claim 1, wherein: the outer side of the annular gland is provided with an external thread, the inner wall of the connecting pipe is provided with an internal thread, and the annular gland is in threaded connection with the connecting pipe.
6. A gas flow rate detecting device capable of stabilizing a gas flow according to claim 1, wherein: and a limiting block is arranged on the inner wall of the connecting pipe.
7. A gas flow rate detecting device capable of stabilizing a gas flow according to claim 1, wherein: and two ends of the connecting pipe are fixedly connected with flange plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220713091.3U CN216954676U (en) | 2022-03-30 | 2022-03-30 | Gas flow detection device capable of stabilizing gas flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220713091.3U CN216954676U (en) | 2022-03-30 | 2022-03-30 | Gas flow detection device capable of stabilizing gas flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216954676U true CN216954676U (en) | 2022-07-12 |
Family
ID=82299813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220713091.3U Active CN216954676U (en) | 2022-03-30 | 2022-03-30 | Gas flow detection device capable of stabilizing gas flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216954676U (en) |
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2022
- 2022-03-30 CN CN202220713091.3U patent/CN216954676U/en active Active
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