CN211504243U - Pipeline fluid measuring device for measuring fluid speed, temperature and humidity and wall temperature - Google Patents
Pipeline fluid measuring device for measuring fluid speed, temperature and humidity and wall temperature Download PDFInfo
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- CN211504243U CN211504243U CN202020383219.5U CN202020383219U CN211504243U CN 211504243 U CN211504243 U CN 211504243U CN 202020383219 U CN202020383219 U CN 202020383219U CN 211504243 U CN211504243 U CN 211504243U
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- 238000007789 sealing Methods 0.000 claims abstract description 37
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- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical group S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a measure pipeline fluid measuring device of fluid speed, humiture and wall temperature, include: the shape and the thickness of the measuring platform are consistent with those of the missing block of the hole on the pipe wall; the fixed sealing plate is an arc-shaped plate which is adaptive to the shape of the pipe wall and is fixedly connected with the outer wall of the pipeline through a first detachable connecting piece, and the side surface of one side, close to the pipeline, of the fixed sealing plate is connected with the measuring platform through a second detachable connecting piece; the measuring platform is provided with a sensing element for measuring the fluid speed, the temperature and the humidity and the wall temperature. The utility model provides an integrated level high energy is in the same section time pipeline fluid speed, humiture and wall temperature data of record are measured to same survey point department continuously and steadily, and stable sensor and instrument closely laminate near hole wall guarantee pipeline gas tightness simultaneously, still dismantle the convenience.
Description
Technical Field
The utility model belongs to the technical field of the instrument, concretely relates to measure pipeline fluid measuring device of fluid speed, humiture and wall temperature.
Background
In a model experiment involving fluid, a pipeline is generally used for specifying a fluid domain, and the motion state of the fluid is researched by measuring data such as fluid speed, temperature and humidity, wall temperature and the like at a series of measuring points in the pipeline and a change rule of the data. Therefore, the method has important significance for researching the motion state of the fluid by continuously and stably measuring and recording the data of the fluid speed, the temperature and the humidity and the wall temperature in the pipeline in the same period of time at the same measuring point.
The existing pipeline fluid measuring device is mainly used for measuring one to two variables, has low integration level, and is difficult to meet the requirement of continuously monitoring and recording a plurality of variables in model experiments which increasingly complicate development towards precision. Most of the existing coping schemes are to frequently replace instruments for measuring different variables or to arrange a plurality of measuring instruments near a measuring point to meet the requirements. The former can seriously interfere the flow field to influence the measurement result, and the measured data under the non-identical working condition has no significance; the latter is that the disassembly is difficult to read data and other subsequent operations due to a large number of instruments; and the instrument is densely arranged, and the sensor which is debugged and fixed is easily interfered in the processes of disassembly and assembly, so that the deviation occurs between the actual measurement position and the predicted measurement position, and the unpredictable influence is generated on the accuracy of the measurement result.
The fixing mode of the existing pipeline fluid measuring device is that a fixed connecting piece capable of adjusting the position of a sensor is arranged at a measuring point through a hole, or according to the requirement of a measuring object, a hole is formed in the pipe wall to fix an instrument on the inner wall, and then the hole is closed. Both the two methods can not avoid leaving gaps at the edges of the closed holes, and the gaps are not closed by fillers, which may cause the air tightness of the pipeline to be reduced, the instrument to be unstable and deviate from the expected measurement position, and the flow field to be interfered and simultaneously influence the measurement result. The gap is sealed by the filler, so that subsequent operations such as adjusting the position of the instrument, exporting data, disassembling the instrument and the like become difficult, the cost and the time consumption are increased, and the working efficiency of operators is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that above-mentioned current pipeline fluid measuring device exists, the utility model provides an integrated level high energy continuously stably measure record fluid speed, humiture and wall temperature data in the pipeline in same period of time in same survey point department, stabilize near wall of sensor and instrument closely laminating hole simultaneously and guarantee the pipeline gas tightness, still dismantle convenient, low cost's pipeline fluid measuring device.
The utility model discloses a following technical scheme realizes this purpose:
a pipeline fluid measuring device for measuring fluid velocity, temperature and humidity, and wall temperature, comprising:
the shape and the thickness of the measuring platform are consistent with those of the missing block of the hole on the pipe wall;
the fixed sealing plate is an arc-shaped plate which is adaptive to the shape of the pipe wall and is fixedly connected with the outer wall of the pipeline through a first detachable connecting piece, and the side surface of one side, close to the pipeline, of the fixed sealing plate is connected with the measuring platform through a second detachable connecting piece;
the temperature and humidity sensor is arranged on the surface of one side of the measuring platform in the pipeline and used for detecting temperature and humidity data in the pipeline;
the wall temperature instrument sensor is arranged on the surface of one side of the measuring platform, which is positioned in the pipeline, and is used for detecting the wall temperature of the pipeline;
the wall thermometer is fixedly arranged on the fixed sealing plate and is in signal connection with the wall thermometer sensor through a data line;
the anemoscope comprises an anemoscope body and an anemometer sensing part, wherein the anemometer body is located outside the pipeline, and the anemometer sensing part penetrates through the fixed sealing plate and the measuring platform in sequence and then is arranged inside the pipeline.
The first detachable connecting piece and the second detachable connecting piece are both screws.
The material of the measuring platform and the material of the fixed sealing plate are both transparent organic glass materials.
And a sealing structure is arranged on the surface of the fixed sealing plate, which is in contact with the pipeline.
The sealing structure is a rubber sealing ring.
The type of the temperature and humidity sensor is a testo 174H temperature and humidity recorder.
The model of the wall temperature instrument is a creative RC-4 wall temperature recorder.
The type of the anemoscope is a Hua-accuse HS-FG08 pipeline anemoscope transmitter anemoscope.
Be equipped with the confession on measuring platform and the fixed seal board the hole that the last measuring staff of anemoscope passed still includes:
and the anemoscope fixing piece is fixed on the measuring platform and used for adjusting the position of a wind speed measuring point of a measuring rod on the anemoscope in the pipeline.
Compared with the prior art, the utility model has the advantages of as follows:
(1) the adaptability to the appearance of a complex pipeline and the position of a special measuring point is strong, a measuring platform and a fixed sealing plate in corresponding shapes can be replaced according to different pipeline wall surface conditions, and the measuring device is always tightly attached to the pipeline wall surface.
(2) The pipeline air tightness can be kept, the instrument is tightly attached to the outer wall surface of the pipeline, the fixed sealing plate covers the hole gap, the rubber sealing ring is arranged between the outer wall of the pipeline and the fixed sealing plate in a cushioning mode, and the air tightness can be guaranteed without filling the hole gap with fillers.
(3) The instrument has good stability, the instrument tightly attached to the wall surface is fixedly connected to the wall surface through the screw, the stability is good, the sensor cannot shake to interfere with a flow field after being debugged, and a measuring point cannot deviate from a predicted measuring position to influence a measuring result.
(4) The integration level is high, and a measuring device can continuously monitor and record the data of variables such as wind speed, fluid temperature and humidity, pipeline wall temperature and the like at the same measuring point within a period of time.
(5) The disassembly is convenient, the instrument and the sensor are integrated on the measuring device, and the connecting screws for fixing the sealing plate and the outer wall surface of the pipeline are disassembled, so that the whole instrument can be completely disassembled.
(6) The positions of the wind speed measuring points are adjusted by adjusting the clamping tightness of the anemometer fixing pieces, so that the measurement directivity can be ensured while the positions of the wind speed measuring points are adjusted.
Drawings
FIG. 1 is a schematic structural view of a pipeline fluid measuring device according to the present embodiment;
FIG. 2 is a schematic side view of the pipe fluid measuring device of the present example;
FIG. 3 is a schematic view of a bolt fastener used in the anemometer mount of the present example of a piping fluid measuring device;
the labels in the figure are: 1. an anemometer; 2. fixing the sealing plate; 3. a measuring platform; 4. a temperature and humidity instrument; 5. a measuring platform; 6. an anemometer sensor; 7. a wall thermometer sensor; 8. a wall thermometer sensor data line; 9. a wall temperature gauge; 10. an anemometer mount; 11. a rubber seal ring; 12. a screw and a matched nut on the anemoscope fixing piece; 13. an elastic plastic member.
Detailed Description
The following description of the present invention will be given with reference to the accompanying drawings, but the scope of the present invention is not limited to the following embodiments. It should be noted that the drawings are in simplified form and employ non-precise ratios, which are merely used to assist in describing embodiments of the present invention.
As shown in fig. 1 and 2, a pipeline fluid measuring device for measuring fluid velocity, temperature and humidity, and wall temperature includes a main body portion and a measuring instrument portion for fixing the measuring device, fixing the measuring instrument, and sealing the pipeline.
The main body part consists of a measuring platform 5 and a fixed sealing plate 2, wherein the measuring platform 5 and the fixed sealing plate 2 are all organic glass plates; the measuring platform 5 is fixed in the center of the fixed sealing plate 2 by four connecting screws 3.
A gauge portion comprising:
a humiture instrument 4, the model of which is a testo 174H humiture recorder;
the wall temperature instrument 9 is a creative RC-4 wall temperature recorder;
the anemoscope 1 is a Hua-accuse HS-FG08 pipeline anemometer with an anemometer transmitter.
The temperature and humidity instrument 4 is fixed on the measuring platform 5 through the clamping groove, and the fixed position is near the center of the measuring platform 5, namely near a measuring point;
the anemoscope fixing piece 10 is fixed at the center of the fixed sealing plate 2 through a clamping groove and used for ensuring the measurement directivity of the anemoscope 1;
the anemoscope 1 is fixed on the pipeline fluid measuring device through an anemoscope fixing part 10;
the anemometer sensor 6 extends into the pipeline through an opening at the central position, namely a measuring point, of the measuring platform 5 and the fixed sealing plate 2;
the wall thermometer 9 is fixed on the fixed sealing plate 2 through the clamping groove, and in order to avoid interfering with the adjustment of the position of the measuring point of the anemoscope 1, the fixed position of the wall thermometer 9 is far away from the center of the fixed sealing plate 2, namely near the measuring point; a wall thermometer sensor data wire 8 extends into the pipeline through pores formed on the measuring platform 5 and the fixed sealing plate 2, and the positions of the pores are positioned at the edge of the measuring platform 5; the wall thermometer sensor 7 is fixed tightly to the inner wall surface of the pipeline;
thereby pipeline fluid measuring device is whole only through four connecting screw 3 with fixed seal plate 2 fix the pipeline outer wall face realize the fixed on the pipeline, fixed seal plate 2 has arranged rubber seal 11 with the pipeline outer wall face contact surface, pipeline fluid measuring device is whole to be dismantled convenient the assurance pipeline gas tightness simultaneously.
Preferably, the pipe wall of the fluid pipeline in this embodiment is a smooth plane pipe wall, and is a pipe wall tightly attached to ensure the air tightness of the pipeline, the pipeline fluid measuring device is embedded into the pipe wall by forming a hole on the pipe wall by taking a preset measuring point as a center, and the measuring platform 5 is a circular organic glass thick flat plate with the shape and thickness consistent with the shape and thickness of a missing block formed by forming a hole on the pipe wall; the fixed sealing plate 2 is a circular organic glass thick plate with a diameter larger than that of the measuring platform 5.
Preferably, in the present embodiment, the anemoscope fixing member 10 uses a bolt fastener to adjust the clamping tightness, so that the fastening member can be loosened to conveniently adjust the position of the anemoscope sensor 6, and then the anemoscope sensor 6 is fastened and fixed, thereby adjusting the position of the anemoscope sensor 6 and ensuring the measurement directionality.
Preferably, the anemometer 1 in this embodiment is a heat dissipating anemometer. The device has the advantages of small inductive element and small interference to a flow field; the response is fast, and the method is suitable for measuring unsteady flow rate fluid; the sensitivity is high when measuring low wind speed. The method is suitable for measuring the flow velocity of the pipeline fluid with small flow area and low flow velocity in the fluid model test.
The utility model discloses measure pipeline fluid measuring device of fluid speed, humiture and wall temperature's specific use as follows:
according to the specific conditions of the pipe wall, a proper measuring platform 5 and a proper fixed sealing plate 2 are manufactured, and then the pipeline fluid measuring device of the utility model is assembled; a hole is formed by taking the upper measuring point of the pipe wall as the center, and the size of the hole corresponds to that of the measuring platform 5;
fixing a wall thermometer sensor 7 on the inner wall surface of the pipeline;
embedding a measuring platform 5 of the pipeline fluid measuring device into the pipe wall;
screwing down a connecting screw 3 connected with the outer wall surface of the pipeline on the fixed sealing plate 2 to complete the fixation of the pipeline fluid measuring device;
calculating the position of a measuring point of the anemoscope 1 by combining the size of a pipeline and the concrete requirements of a fluid experiment, marking a corresponding mark on the anemoscope sensor 6, and adjusting the position of the anemoscope sensor 6 according to the experiment progress;
starting measurement;
after the measurement is finished, the connecting screw 3 connected with the outer wall surface of the pipeline on the fixed sealing plate 2 is loosened, and the wall thermometer sensor 7 on the inner wall surface is taken down, so that the pipeline fluid measuring device is disassembled.
The above, it is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, and any content not departing from the technical solution of the present invention, according to the technical matters of the present invention, any simple modification, equal variation and modification are made to the above embodiments, all shall belong to the coverage of the present invention.
Claims (9)
1. A pipeline fluid measuring device for measuring fluid velocity, temperature and humidity and wall temperature, comprising:
the shape and the thickness of the measuring platform are consistent with those of the missing block of the hole on the pipe wall;
the fixed sealing plate is an arc-shaped plate which is adaptive to the shape of the pipe wall and is fixedly connected with the outer wall of the pipeline through a first detachable connecting piece, and the side surface of one side, close to the pipeline, of the fixed sealing plate is connected with the measuring platform through a second detachable connecting piece;
the temperature and humidity sensor is arranged on the surface of one side of the measuring platform in the pipeline and used for detecting temperature and humidity data in the pipeline;
the wall temperature instrument sensor is arranged on the surface of one side of the measuring platform, which is positioned in the pipeline, and is used for detecting the wall temperature of the pipeline;
the wall thermometer is fixedly arranged on the fixed sealing plate and is in signal connection with the wall thermometer sensor through a data line;
the anemoscope comprises an anemoscope body and an anemometer sensing part, wherein the anemometer body is located outside the pipeline, and the anemometer sensing part penetrates through the fixed sealing plate and the measuring platform in sequence and then is arranged inside the pipeline.
2. The pipe fluid measuring device of claim 1, wherein the first detachable connector and the second detachable connector are screws.
3. The pipe fluid measuring device of claim 1, wherein said measuring is performed by measuring fluid velocity, temperature and humidity, and wall temperature
The material of the platform and the material of the fixed sealing plate are both transparent organic glass materials.
4. The apparatus of claim 1 wherein the stationary seal plate has a seal on its face contacting the pipe.
5. The device of claim 4, wherein the sealing structure is a rubber seal.
6. The apparatus of claim 1 wherein the temperature and humidity sensor is a testo 174H temperature and humidity recorder.
7. The pipe fluid measuring device of claim 1, wherein the wall temperature meter is a precision RC-4 wall temperature recorder.
8. The pipe fluid measuring device of claim 1, wherein the anemometer is a wayside HS-FG08 pipe anemometer, a transmitter anemometer.
9. The apparatus of claim 1, wherein the measuring platform and the stationary sealing plate are provided with holes for the measuring rod of the anemometer to pass through, further comprising:
and the anemoscope fixing piece is fixed on the measuring platform and used for adjusting the position of a wind speed measuring point of a measuring rod on the anemoscope in the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020383219.5U CN211504243U (en) | 2020-03-24 | 2020-03-24 | Pipeline fluid measuring device for measuring fluid speed, temperature and humidity and wall temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020383219.5U CN211504243U (en) | 2020-03-24 | 2020-03-24 | Pipeline fluid measuring device for measuring fluid speed, temperature and humidity and wall temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504243U true CN211504243U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020383219.5U Active CN211504243U (en) | 2020-03-24 | 2020-03-24 | Pipeline fluid measuring device for measuring fluid speed, temperature and humidity and wall temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504243U (en) |
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2020
- 2020-03-24 CN CN202020383219.5U patent/CN211504243U/en active Active
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