CN201993381U - Pitot tube provided with direction indicator - Google Patents
Pitot tube provided with direction indicator Download PDFInfo
- Publication number
- CN201993381U CN201993381U CN2011200212454U CN201120021245U CN201993381U CN 201993381 U CN201993381 U CN 201993381U CN 2011200212454 U CN2011200212454 U CN 2011200212454U CN 201120021245 U CN201120021245 U CN 201120021245U CN 201993381 U CN201993381 U CN 201993381U
- Authority
- CN
- China
- Prior art keywords
- pitot tube
- light
- convenient
- measuring
- connecting pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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Abstract
The utility model relates to a pitot tube provided with a direction indicator, which has a simple structure, is convenient to use and can effectively improve the measuring accuracy. A visible light direction indicator is arranged at a pressure pipe of a supporting rod. When the pitot tube is used for flow velocity measurement, the direction of the head of the pitot tube can be definitely indicated according to the direction of the laser beam; if the direction of the laser beam is inconsistent with that (airflow direction) of the pipeline, the phenomenon can be immediately found, and the corresponding adjustment is made; additionally, the linear light beam of the laser rod also generates a bright light spot on the nearby object; when the direction of the pitot tube is slightly changed, a remarkable motion is done in the position of the light; the measuring direction of the pitot tube can be conveniently and accurately grasped according to the position change conditions of the light beam and the light spot, so that the measuring accuracy is improved, and the measuring operation is convenient; and particularly under the environment with poorer light, the pitot tube is more convenient to use.
Description
Technical field
The utility model relates to a kind of pitot tube with the direction indication.
Background technology
In industries such as electric power, chemical industry, metallurgy, often to use pitot tube and come gas flow rate in the measuring channel.The pitot tube that uses is seen shown in Figure 1 at present.
When the application pitot tube is measured, require the head of pitot tube just relative with gas flow, if the deviation in driction airflow direction of head will bring the deviation of measurement, see Fig. 2 a, Fig. 2 b, shown in Figure 3.
In measuring tube, during gas flow,, can't directly see the direction of pitot tube head, can only rely on the direction of connecting pipe to judge the direction of pitot tube head because the head of pitot tube and the major part of guiding support bar all will be positioned in the pipeline.For easy to operate consideration, the pitot tube connecting pipe is all shorter, and can connect measurement components such as flexible pipe, thereby causes relying on the direction of connecting pipe can not make things convenient for the direction of judging the pitot tube head exactly.This is because connecting pipe is relatively lacked (generally being shorter than the length of pitot tube head), and the susceptibility that the pitot tube cephalad direction is changed is little; And be subjected to being connected the influence of the parts on the connecting pipe and the needs of operation pitot tube, connecting pipe usually is in the place that operator's sight line is difficult for arrival.If the then easier deviation measured of causing in the environment weak at light, that illumination is not good.
The utility model content
The purpose of this utility model provides a kind of simple in structure, easy to use exactly for addressing the above problem, and can effectively improve the pitot tube of the band direction indication of advantages such as measuring accuracy.
For achieving the above object, the utility model adopts following technical scheme:
A kind of pitot tube with the direction indication is provided with a visible light trafficator at the connecting pipe place of support bar.
Described visible light trafficator and connecting pipe are in the both sides of support bar respectively.
Described visible light trafficator is a laser bar.
The utility model is fixed with a laser bar (can adopt common laser pen or according to size customization) at the connecting pipe place of pitot tube, the sensing of the beam direction of laser bar and pitot tube head is in full accord, and laser bar and connecting pipe are in the both sides of support bar respectively.When using this pitot tube and carrying out fluid-velocity survey, just can indicate the direction of pitot tube head clearly by the direction of laser beam.If beam direction and pipeline direction (airflow direction just) are inconsistent, can find and make corresponding adjustment immediately.In addition, the rectilinear light beam of laser bar also produces a bright hot spot on the object nearby.If the direction of pitot tube has small variation, the position of hot spot just has significantly and moves.Evolution situation according to light beam, hot spot can make things convenient for, accurately grasp the direction of measurement of pitot tube, improves measuring accuracy, is convenient for measuring operation.Particularly in the relatively poor environment of light, the application of this pitot tube is more convenient.
The beneficial effects of the utility model are: simple in structure, easy to use, and can improve measuring accuracy, be convenient for measuring operation.
Description of drawings
Fig. 1 is existing pitot tube structural representation;
Fig. 2 a is the synoptic diagram of pitot tube head when consistent with airflow direction;
Fig. 2 b is pitot tube head and the airflow direction synoptic diagram when inconsistent;
Synoptic diagram when Fig. 3 measures for pitot tube;
Fig. 4 is a structural representation of the present utility model.
Wherein, 1 connecting pipe, 2 support bars, 3 heads, 4 pressure transmission flexible pipes, 5 laser bars.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Among Fig. 4, support bar 2 is provided with head 3 and connecting pipe 1, and support bar 2 is connected respectively at pressure transmission flexible pipe 4 with pilot bar 1, is provided with a visible light trafficator at connecting pipe 1 place of support bar 2.
Described visible light trafficator and connecting pipe 1 are in the both sides of support bar 2 respectively.
Described visible light trafficator is a laser bar 5.
Claims (3)
1. the pitot tube with the direction indication is characterized in that, is provided with a visible light trafficator at the connecting pipe place of support bar.
2. the pitot tube of band direction indication as claimed in claim 1 is characterized in that described visible light trafficator and connecting pipe are in the both sides of support bar respectively.
3. the pitot tube of band direction indication as claimed in claim 1 is characterized in that described visible light trafficator is a laser bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200212454U CN201993381U (en) | 2011-01-21 | 2011-01-21 | Pitot tube provided with direction indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200212454U CN201993381U (en) | 2011-01-21 | 2011-01-21 | Pitot tube provided with direction indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993381U true CN201993381U (en) | 2011-09-28 |
Family
ID=44669867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200212454U Expired - Lifetime CN201993381U (en) | 2011-01-21 | 2011-01-21 | Pitot tube provided with direction indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993381U (en) |
-
2011
- 2011-01-21 CN CN2011200212454U patent/CN201993381U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20130312 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130312 Address after: 250002 Ji'nan City Central District, Shandong, No. 2 South Road, No. 500 Patentee after: Shandong Research Inst. of Electric Power Patentee after: State Grid Corporation of China Address before: 250002 Ji'nan City Central District, Shandong, No. 2 South Road, No. 500 Patentee before: Shandong Research Inst. of Electric Power |
|
| CP02 | Change in the address of a patent holder |
Address after: 250003 No. 2000, Wang Yue Road, Shizhong District, Ji'nan, Shandong Patentee after: Shandong Electric Power Research Institute Patentee after: State Grid Corporation of China Address before: 250002, No. 500, South Second Ring Road, Shizhong District, Shandong, Ji'nan Patentee before: Shandong Electric Power Research Institute Patentee before: State Grid Corporation of China |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |
|
| CX01 | Expiry of patent term |