CN211346921U - Air quantity display air port - Google Patents
Air quantity display air port Download PDFInfo
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- CN211346921U CN211346921U CN202020290748.0U CN202020290748U CN211346921U CN 211346921 U CN211346921 U CN 211346921U CN 202020290748 U CN202020290748 U CN 202020290748U CN 211346921 U CN211346921 U CN 211346921U
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Abstract
The utility model relates to the technical field of wind gap frame wind volume measurement, and discloses a wind volume display wind gap, which comprises a wind gap frame, a measuring sheet, a fixing frame, a gas pipe connecting piece and a wind volume display, wherein the measuring sheet is arranged in the wind gap frame, and two sides of the measuring sheet are respectively fixed through the fixing frame and the gas pipe connecting piece; the fixing frame seals the total pressure average pipe orifice and the static pressure average pipe orifice on the side where the fixing frame is located; the air pipe connecting piece is provided with two air outlet pipe joints, one sides of the two air outlet pipe joints, facing the measuring sheet, are respectively communicated with the total pressure average pipe orifice or the static pressure average pipe orifice in a sealing mode, and the other sides of the two air outlet pipe joints are respectively communicated with the air volume display through air pipes. The utility model has the advantages that: the utility model provides an amount of wind shows wind gap has the measurement and the demonstration of amount of wind in the pipeline on the one hand, and on the other hand can replace current pipeline formula air supply arrangement's air outlet frame, has with low costs, the little effect of occupation space.
Description
Technical Field
The utility model relates to a wind gap frame amount of wind measures technical field, especially relates to an amount of wind shows wind gap.
Background
In a pipeline type air supply device such as a central air conditioner, a fresh air system and the like, the air quantity detection of the outlet air is generally needed so as to control the outlet air; the current wind speed and wind volume measuring device adopts the technical means that a plurality of pitot tubes are connected to a high-pressure average inner cavity and a low-pressure average inner cavity, an average value is obtained and then is connected with an external micro-differential pressure sensing transmitter through a channel tube, and the average value of the wind speed and the wind volume is calculated. The air quantity measuring device with the structure has the advantages of high cost, large volume and more complicated installation and use.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides an amount of wind shows wind gap.
In order to realize the purpose, the technical scheme of the utility model is that: an air quantity display air port comprises an air port frame, a measuring piece, a fixing frame, an air pipe connecting piece and an air quantity display, wherein the measuring piece is arranged in the air port frame, one end of the measuring piece is fixed on the inner wall of one side of the air port frame through the fixing frame, and the other end of the measuring piece is fixed on the inner wall of the other side of the air port frame through the air pipe connecting piece; the measuring sheet is provided with a total pressure average pipe hole and a static pressure average pipe hole which are parallel in the length direction, and the fixing frame seals and seals a total pressure average pipe hole opening and a static pressure average pipe hole opening of the end of the measuring sheet on the side where the fixing frame is located; the air pipe connecting piece is provided with two air outlet pipe joints, one sides of the two air outlet pipe joints, facing the measuring sheet, are respectively communicated with the total pressure average pipe orifice or the static pressure average pipe orifice in a sealing mode, and the other sides of the two air outlet pipe joints are respectively communicated with the air volume display through air pipes.
Preferably, the measuring piece is provided with a total pressure average tube hole, a static pressure average tube hole and a temperature compensation tube hole which are parallel in the length direction, a total pressure hole communicated with the total pressure average tube hole is formed in the windward side of the measuring piece, a static pressure hole penetrating through the static pressure average tube hole is formed in the side wall of the measuring piece, and the plane where the static pressure hole is located is perpendicular to the plane where the total pressure hole is located.
Preferably, the measuring sheet is provided with a total pressure average tube hole, a static pressure average tube hole and a temperature compensation tube hole which are parallel to each other in the length direction, a total pressure long hole groove communicated with the total pressure average tube hole is formed in the windward side of the measuring sheet, and the length of the total pressure long hole groove is the same as that of the total pressure average tube hole; the side wall of the measuring piece is provided with a static pressure long hole groove which penetrates through the static pressure average pipe hole, the length of the static pressure long hole groove is the same as that of the total pressure average pipe hole, and a connecting piece passing through an axis is arranged in the static pressure long hole groove; the plane of the static pressure long hole groove is vertical to the plane of the total pressure long hole groove; the connecting piece and the total pressure long hole groove are positioned on the same plane and are connected with two static pressure average pipe holes divided by the static pressure long hole groove.
The utility model has the advantages that: the utility model provides an amount of wind shows wind gap has the measurement and the demonstration of amount of wind in the pipeline on the one hand, and on the other hand can replace current pipeline formula air supply arrangement's air outlet frame, has with low costs, the little effect of occupation space.
Drawings
Fig. 1 is the utility model discloses an amount of wind shows wind gap structure sketch map.
Fig. 2 is a schematic view of a test strip structure of embodiment 1 of the present invention.
Fig. 3 is a cross-sectional view of fig. 2.
Fig. 4 is a schematic view of a test strip structure of embodiment 2 of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Example 1
The air quantity display air port shown in fig. 1, fig. 2 and fig. 3 comprises an air port frame 1, a measuring piece 2, a fixing frame 3, an air pipe connecting piece 4 and an air quantity display 5, wherein the measuring piece 2 is transversely arranged in the air port frame 1, one end of the measuring piece is fixed on the inner wall of one side of the air port frame 1 through the fixing frame 3, and the other end of the measuring piece is fixed on the inner wall of the other side of the air port frame 1 through the air pipe connecting piece 4; the measuring sheet 2 is provided with a total pressure average tube hole 201 and a static pressure average tube hole 202 which are parallel in the length direction, and the fixing frame 3 seals and seals a total pressure average tube hole opening and a static pressure average tube hole opening of the measuring sheet end on the side where the fixing frame is located; the air pipe connecting piece 4 is provided with two air outlet pipe joints, one sides of the two air outlet pipe joints facing the measuring piece are respectively communicated with the total pressure average pipe orifice or the static pressure average pipe orifice in a sealing mode, and the other sides of the two air outlet pipe joints are respectively communicated with the air volume display 5 through air pipes.
In this embodiment, the measuring piece 2 is provided with a total pressure average pipe hole 201, a static pressure average pipe hole 202 and a temperature compensation pipe hole 203 which are parallel in the length direction, a total pressure hole 204 communicated with the total pressure average pipe hole is arranged on the windward side of the measuring piece, a static pressure hole 205 penetrating through the static pressure average pipe hole is arranged on the side wall of the measuring piece, and the plane of the static pressure hole 205 is perpendicular to the plane of the total pressure hole 204.
The total pressure holes 204 and the static pressure holes 205 are arranged in the number and the distribution positions according to GB/T1236-2017 or
GB/T50243-2016 or GB 51251-2017.
The air volume calculation method comprises the following steps: the static pressure measured by the static pressure average pipe hole is subtracted from the total pressure measured by the total pressure average pipe hole to obtain the dynamic pressure, then the wind speed is calculated according to the dynamic pressure, the wind volume is obtained according to the multiplication of the wind speed and the sectional area, and the on-line calculation and detection can be automatically carried out.
Example 2
The air quantity display air port shown in fig. 1 and fig. 4 comprises an air port frame 1, a measuring piece 2, a fixing frame 3, an air pipe connecting piece 4 and an air quantity display 5, wherein the measuring piece 2 is transversely arranged in the air port frame 1, one end of the measuring piece is fixed on the inner wall of one side of the air port frame 1 through the fixing frame 3, and the other end of the measuring piece is fixed on the inner wall of the other side of the air port frame 1 through the air pipe connecting piece 4; the measuring sheet 2 is provided with a total pressure average tube hole 201 and a static pressure average tube hole 202 which are parallel in the length direction, and the fixing frame 3 seals and seals a total pressure average tube hole opening and a static pressure average tube hole opening of the measuring sheet end on the side where the fixing frame is located; the air pipe connecting piece 4 is provided with two air outlet pipe joints, one sides of the two air outlet pipe joints facing the measuring piece are respectively communicated with the total pressure average pipe orifice or the static pressure average pipe orifice in a sealing mode, and the other sides of the two air outlet pipe joints are respectively communicated with the air volume display 5 through air pipes.
The measuring piece 2 is provided with a total pressure average tube hole 201, a static pressure average tube hole 202 and a temperature compensation tube hole 203 which are parallel in the length direction, the windward side of the measuring piece is provided with a total pressure long hole groove 206 communicated with the total pressure average tube hole, and the length of the total pressure long hole groove is the same as that of the total pressure average tube hole; a static pressure long hole groove 207 penetrating through the static pressure average pipe hole is formed in the side wall of the measuring piece, the length of the static pressure long hole groove is the same as that of the total pressure average pipe hole, and a connecting piece passing through an axis is arranged in the static pressure long hole groove; the plane of the static pressure long hole groove is vertical to the plane of the total pressure long hole groove; the connecting piece and the total pressure long hole groove are positioned on the same plane and are connected with two static pressure average pipe holes divided by the static pressure long hole groove.
This structure adopts the static pressure slot and total pressure slot of all-through groove, has further optimized among embodiment 1 that need the fixed point distance to set up the loaded down with trivial details problem of processing that total pressure hole and static pressure hole cause, and the air inlet is more even simultaneously, and measurement accuracy is higher.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (3)
1. The utility model provides an amount of wind shows wind gap, includes wind gap frame, surveys piece, mount, trachea connecting piece and amount of wind display, its characterized in that: the measuring sheet is arranged in the air port frame, one end of the measuring sheet is fixed on the inner wall of one side of the air port frame through a fixing frame, and the other end of the measuring sheet is fixed on the inner wall of the other side of the air port frame through an air pipe connecting piece; the measuring sheet is provided with a total pressure average pipe hole and a static pressure average pipe hole which are parallel in the length direction, and the fixing frame seals and seals a total pressure average pipe hole opening and a static pressure average pipe hole opening of the end of the measuring sheet on the side where the fixing frame is located; the air pipe connecting piece is provided with two air outlet pipe joints, one sides of the two air outlet pipe joints, facing the measuring sheet, are respectively communicated with the total pressure average pipe orifice or the static pressure average pipe orifice in a sealing mode, and the other sides of the two air outlet pipe joints are respectively communicated with the air volume display through air pipes.
2. The air quantity display tuyere of claim 1, characterized in that: the measuring piece is provided with a total pressure average tube hole, a static pressure average tube hole and a temperature compensation tube hole which are parallel in the length direction, a total pressure hole communicated with the total pressure average tube hole is formed in the windward side of the measuring piece, a static pressure hole penetrating through the static pressure average tube hole is formed in the side wall of the measuring piece, and the plane where the static pressure hole is located is perpendicular to the plane where the total pressure hole is located.
3. The air quantity display tuyere of claim 1, characterized in that: the wind-facing surface of the measuring piece is provided with a total-pressure long hole groove communicated with the total-pressure average hole, and the length of the total-pressure long hole groove is the same as that of the total-pressure average hole; the side wall of the measuring piece is provided with a static pressure long hole groove which penetrates through the static pressure average pipe hole, the length of the static pressure long hole groove is the same as that of the total pressure average pipe hole, and a connecting piece passing through an axis is arranged in the static pressure long hole groove; the plane of the static pressure long hole groove is vertical to the plane of the total pressure long hole groove; the connecting piece and the total pressure long hole groove are positioned on the same plane and are connected with two static pressure average pipe holes divided by the static pressure long hole groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020290748.0U CN211346921U (en) | 2020-03-11 | 2020-03-11 | Air quantity display air port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020290748.0U CN211346921U (en) | 2020-03-11 | 2020-03-11 | Air quantity display air port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211346921U true CN211346921U (en) | 2020-08-25 |
Family
ID=72101680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020290748.0U Active CN211346921U (en) | 2020-03-11 | 2020-03-11 | Air quantity display air port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211346921U (en) |
-
2020
- 2020-03-11 CN CN202020290748.0U patent/CN211346921U/en active Active
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