CN107525622A - L-type Pitot tube stationary positioned device - Google Patents
L-type Pitot tube stationary positioned device Download PDFInfo
- Publication number
- CN107525622A CN107525622A CN201710845292.2A CN201710845292A CN107525622A CN 107525622 A CN107525622 A CN 107525622A CN 201710845292 A CN201710845292 A CN 201710845292A CN 107525622 A CN107525622 A CN 107525622A
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- CN
- China
- Prior art keywords
- pitot tube
- type pitot
- sliding block
- type
- fixed
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 239000000523 sample Substances 0.000 claims abstract description 19
- 239000003550 marker Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 20
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
Abstract
The present invention discloses a kind of L-type Pitot tube stationary positioned device, including：L-type Pitot tube, the L-type Pitot tube include Pitot tube positive pole, Pitot tube negative pole, measuring staff and probe；Fixed mount, the fixed mount include fixing end and guide rail, the fixing end include probe for the L-type Pitot tube through fixed mount gaging hole, guiding groove is set in the guide rail；Sliding block, the sliding block are connected with the L-type Pitot tube to promote the L-type Pitot tube to be moved on the guide rail；And fixed block, the L-type Pitot tube are fixed on the sliding block by the fixed block.L-type Pitot tube is fixed according to the L-type Pitot tube stationary positioned device of the present invention well in cooling tower drag characteristic model test, and quick and convenient the probe of Pitot tube can be moved to the device of measuring point exactly.
Description
Technical field
The present invention relates to a kind of L-type Pitot tube stationary positioned device, more specifically, is related to a kind of for cooling down pressure tower
The L-type Pitot tube stationary positioned device of test.
Background technology
Cooling tower is fire, the important component of nuclear power plant's cooling water secondary cycle technical process, and the cooling of cooling tower is imitated
Rate directly affects the security and economy of power plant's operation.The drag characteristic of accurate research cooling tower is that Accurate Prediction cooling tower is cold
But the key of performance, and the method for generally use cooling tower model resistance measurement at present, study cooling tower drag characteristic.In resistance
Test process, the main stagnation pressure and static pressure for measuring difference in cooling tower model.In order to reduce test equipment to measurement result
Influence, L-type Pitot tube is used in cooling tower drag characteristic model test.
In order to which L-type Pitot tube is put into cooling tower model, some position is opened individual generally more than cooling tower model throat
The aperture that diameter is about 15mm.The position relationship of L-type Pitot tube and cooling tower model is as shown in Figure 1.During experiment, pass through
Pitot tube is moved horizontally to measure the pressure of difference.For the stagnation pressure and static pressure of accurate measurement measuring point, the probe of Pitot tube must
Must be parallel with the axle of tower, and the horizon bar of Pitot tube or its extended line must pass through the center of circle of Measure section.At present, tower resistance is cooled down
Pitot tube is manually operated by experimenter in force characteristic model test, therefore is difficult the probe and tower for ensureing Pitot tube for a long time
Axle is parallel, and the horizon bar of Pitot tube or its extended line must pass through the center of circle of Measure section；In addition, during experiment
Continuous retest point, and experimenter is it is difficult to ensure that the precision of point position, therefore by manually controlling Pitot tube will
Cause the generation deviation of result of the test, or even test requirements document can not be met.
Found by retrieving, China Patent No. is CN 202793475U, day for announcing 2013.03.13, entitled：
To the experimental bench of specified measuring point, this application case provides one kind and is moved easily Pitot tube to specified survey a kind of Pitot tube that is moved easily
The experimental bench of point, including frame of axes, base, test section, test section are fixedly connected with base, and Pitot tube passes through clip and frame of axes phase
Even.Although this application provides one kind and is moved easily Pitot tube to specified measuring point, due to not being specific to cooling tower resistance
Characteristic test apparatus and design, fixed and accurately fixed so L-type Pitot tube in cooling tower drag characteristic model test can not be solved
The problem of position measuring point.
The content of the invention
The technical problem to be solved in the present invention is：L-type Pitot tube can be fixed and pop one's head in and can quickly be moved to by providing one kind
The device of measuring point, to solve the probe of L-type Pitot tube and the difficult guarantor for a long time of the axle of tower in cooling tower drag characteristic model test
Maintain an equal level the center and it is impossible to ensure that accurate shifting repeatedly of row, the horizon bar of Pitot tube or its extended line not by Measure section
The problems such as moving to some measuring point.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of L-type Pitot tube stationary positioned device, including：
L-type Pitot tube, the L-type Pitot tube include Pitot tube positive pole, Pitot tube negative pole, measuring staff and probe；
Fixed mount, the fixed mount include fixing end and guide rail, and the fixing end includes the spy for the L-type Pitot tube
The fixed mount gaging hole that passes through of head, guiding groove is set in the guide rail；
Sliding block, the sliding block are connected with the L-type Pitot tube to promote the L-type Pitot tube to be moved on the guide rail；
And
Fixed block, the L-type Pitot tube are fixed on the sliding block by the fixed block.
In a preferred embodiment, the sliding block includes square opening, bottom sleeve and top semi-circular hole.
In a preferred embodiment, the guide rail of the fixed mount passes through the square opening of the sliding block, so as to the sliding block edge
The guide rail can slide.
In a preferred embodiment, the Pitot tube negative pole passes through the bottom sleeve of the sliding block so that the L-type Pitot
Pipe is connected with the sliding block.
In a preferred embodiment, the fixed block includes the bottom semicircular coordinated with the top semi-circular hole of the sliding block
Hole, the top semi-circular hole form a circular hole so that the Pitot tube positive pole passes through with the bottom semicircular hole.
In a preferred embodiment, wherein the sidepiece of the guide rail has scale marker.
In a preferred embodiment, wherein the fixed mount is fixed at the gaging hole of cooling tower model by fixing end, make
The fixed mount gaging hole is obtained to align with the gaging hole on the cooling tower model side.
In a preferred embodiment, wherein the L-type Pitot tube stationary positioned device is fixed to cooling tower model, the L
The probe of type Pitot tube enters in cooling tower model through the gaging hole of the fixed mount gaging hole and cooling tower model
Fixed well in cooling tower drag characteristic model test according to the L-type Pitot tube stationary positioned device of the present invention
L-type Pitot tube, and quick and convenient the probe of Pitot tube can be moved to the device of measuring point exactly.
Brief description of the drawings
Hereinafter it is described more fully with reference to the accompanying drawings some example embodiments of the present invention；However, the present invention can be with
Embody in different forms, should not be considered limited to embodiments set forth herein.On the contrary, accompanying drawing illustrates together with specification
Some example embodiments of the present invention, and for explaining the principle and aspect of the present invention.
Clear in order to illustrate in figure, size may be exaggerated.Throughout, identical reference refers to identical
Element.
Fig. 1 a schematically show the signal for being used for cooling tower drag characteristic model test according to the L-type Pitot tube of prior art
Figure；
Fig. 1 b are the structural representation of L-type Pitot tube；
Fig. 1 is the office for being used for cooling tower drag characteristic model test according to the L-type Pitot tube stationary positioned device of the present invention
Portion's enlarged diagram；
Fig. 2 is the close-up schematic view according to the fixed mount of the L-type Pitot tube stationary positioned device of the present invention；
Fig. 3 schematically shows the concrete structure of the sliding block of the L-type Pitot tube stationary positioned device according to the present invention；And
Fig. 4 schematically shows the concrete structure of the fixed block of the L-type Pitot tube stationary positioned device according to the present invention；
Wherein：M：Cooling tower model；W：Point position；100：L-type Pitot tube stationary positioned device；101：L-type Pitot tube；
101a：Pitot tube positive pole；101b：Pitot tube negative pole；101c：Measuring staff；101d：Probe；102：Fixed mount；102a：Fixing end；
102b：Guide rail；102c：Guiding groove；102d：Fixed mount gaging hole；103：Sliding block；103a：Square opening；103b：Bottom sleeve；With
103c：Top semi-circular hole；104：Fixed block；104a：Bottom semicircular hole.
Embodiment
In the following detailed description, some exemplary embodiments of the invention are illustrated simply by the mode of illustration
And description.As the skilled person will recognize, described embodiment can be changed in a variety of ways,
All without departing from the spirit or scope of the present invention.Therefore, scheme and describe to be considered as inherently exemplary, and
It is not restricted.
It is described in further detail below with reference to accompanying drawings and cooling tower is used for according to one exemplary embodiment of the present invention
The L-type Pitot tube stationary positioned device of drag characteristic model test.
Fig. 1 a schematically show the signal for being used for cooling tower drag characteristic model test according to the L-type Pitot tube of prior art
Figure；Fig. 1 b are the structural representation of L-type Pitot tube；Fig. 1 is to be used to cool down according to the L-type Pitot tube stationary positioned device of the present invention
The close-up schematic view of tower resistance force characteristic model test；Fig. 2 is consolidating according to L-type Pitot tube stationary positioned device of the invention
Determine the close-up schematic view of frame；Fig. 3 schematically shows the tool of the sliding block of the L-type Pitot tube stationary positioned device according to the present invention
Body structure；And Fig. 4 schematically shows the concrete structure of the fixed block of the L-type Pitot tube stationary positioned device according to the present invention；
As shown in figure 1, L-type Pitot tube stationary positioned device 100 includes L-type Pitot tube 101, fixed mount 102, sliding block 103
With fixed block 104.As shown in Figure 1 b, L-type Pitot tube 101 includes Pitot tube positive pole 101a, Pitot tube negative pole 101b, measuring staff 101c
With probe 101d.Reference picture 2, fixed mount 102 include fixing end 102a and guide rail 102b, and fixing end 102a includes finishing for L-type
Guiding groove 102c is set in fixed mount gaging hole 102d, guide rail 102b that the probe 101d of trustship 101 is passed through.Sliding block 103 is finished with L-type
Trustship 101 is connected to promote L-type Pitot tube 101 to be moved on guide rail 102b.L-type Pitot tube 101 is fixed on by fixed block 104
On sliding block 103.
As shown in figure 3, sliding block 103 includes square opening 103a, bottom sleeve 103b and top semi-circular hole 103c.Further ginseng
According to Fig. 1-4, the guide rail 102b of fixed mount 102 passes through the square opening 103a of sliding block 103, so as to which sliding block 103 can be slided along guide rail 102b
It is dynamic.Pitot tube negative pole 101b passes through the bottom sleeve 103b of sliding block 103 so that L-type Pitot tube 101 is connected with sliding block 102.It is fixed
Block 104 includes the bottom semicircular hole 104a coordinated with the top semi-circular hole 103c of sliding block 103, top semi-circular hole 103c and bottom half
Circular hole 104a forms a circular hole so that Pitot tube positive pole 101a is passed through.
In a preferred embodiment, its middle guide 102b sidepiece has scale marker.
Referring back to Fig. 1, fixed mount 102 is fixed on by fixing end 102a at cooling tower model M gaging hole so that fixed
Frame gaging hole 102d aligns with the gaging hole on cooling tower model M sides.L-type Pitot tube stationary positioned device 100 is fixed to cooling tower
Model M, probe 101d through the fixed mount gaging hole 102d and cooling tower model M of L-type Pitot tube 101 gaging hole enter cooling tower mould
In type M.
When being tested for cooling tower model, L-type Pitot tube stationary positioned device 100 is fixed to cooling tower model M, L-type
The probe 101d of Pitot tube 101 is entered in cooling tower model M by cooling tower model M side aperture.Sliding block 103 and L-type Pitot
Pipe 101 is connected, and by sliding slider 103, promotes L-type Pitot tube 101 to be moved horizontally on guide rail 102b, observation guide rail 102b sides
The scale marker in portion, the probe of L-type Pitot tube 101 is set to be accurately located at desired point position W.Therefore, according to the L of the present invention
Type Pitot tube stationary positioned device 100 fixes L-type Pitot tube well in cooling tower drag characteristic model test, and can
It is quick and convenient that the probe of Pitot tube is moved to point equipment exactly.
Some exemplary embodiments are had been disclosed for herein, and although with specific term, but they are only with general
With descriptive meaning by using and will be explained, rather than the purpose for limitation.In some cases, as to this area
As those of ordinary skill will be apparent, the one or more features, characteristic and/or the element that are described with reference to specific embodiment
It can be used alone, or can make with one or more features, characteristic and/or the element combination for combining other embodiments description
With unless expressly stated.It will be understood by those skilled in the art that without departing substantially from such as appended claims and its waiting Tongfang
In the case of the spirit and scope of the present invention proposed in case, various changes can be carried out to form and details.
Claims (8)
1. a kind of L-type Pitot tube stationary positioned device (100), including：
L-type Pitot tube (101), the L-type Pitot tube (101) include Pitot tube positive pole (101a), Pitot tube negative pole (101b), surveyed
Bar (101c) and probe (101d)；
Fixed mount (102), the fixed mount (102) include fixing end (102a) and guide rail (102b), the fixing end (102a)
Including the fixed mount gaging hole (102d) passed through for the probe (101d) of the L-type Pitot tube (101), in the guide rail (102b)
Guiding groove (102c) is set；
Sliding block (103), the sliding block (103) are connected with the L-type Pitot tube (101) to promote the L-type Pitot tube (101) to exist
Moved on the guide rail (102b)；And
Fixed block (104), the L-type Pitot tube (101) are fixed on the sliding block (103) by the fixed block (104).
2. device according to claim 1, wherein the sliding block (103) includes square opening (103a), bottom sleeve
(103b) and top semi-circular hole (103c).
3. device according to claim 2, wherein the guide rail (102b) of the fixed mount (102) passes through the sliding block
(103) square opening (103a), so as to which the sliding block (103) can slide along the guide rail (102b).
4. device according to claim 2, the Pitot tube negative pole (101b) passes through the bottom sleeve of the sliding block (103)
(103b) so that the L-type Pitot tube (101) is connected with the sliding block (102).
5. device according to claim 2, the fixed block (104) includes the top semi-circular hole with the sliding block (103)
The bottom semicircular hole (104a) that (103c) coordinates, the top semi-circular hole (103c) form one with the bottom semicircular hole (104a)
Individual circular hole passes through for the Pitot tube positive pole (101a).
6. device according to claim 1, wherein the sidepiece of the guide rail (102b) has scale marker.
7. device according to claim 1, wherein the fixed mount (102) is fixed on cooling tower by fixing end (102a)
At the gaging hole of model (M) so that the fixed mount gaging hole (102d) is alignd with the gaging hole on the cooling tower model (M) side.
8. device according to claim 7, wherein the L-type Pitot tube stationary positioned device (100) is fixed to cooling tower
Model (M), the probe (101d) of the L-type Pitot tube (101) pass through the fixed mount gaging hole (102d) and cooling tower model (M)
Gaging hole enter cooling tower model (M) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710845292.2A CN107525622A (en) | 2017-09-19 | 2017-09-19 | L-type Pitot tube stationary positioned device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710845292.2A CN107525622A (en) | 2017-09-19 | 2017-09-19 | L-type Pitot tube stationary positioned device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107525622A true CN107525622A (en) | 2017-12-29 |
Family
ID=60736025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710845292.2A Pending CN107525622A (en) | 2017-09-19 | 2017-09-19 | L-type Pitot tube stationary positioned device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107525622A (en) |
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|---|---|---|---|---|
| CN2057747U (en) * | 1989-11-17 | 1990-05-30 | 胡炽昌 | Admeasuring device for heavy calibre pipe fluid flow |
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| CN105467154A (en) * | 2015-12-29 | 2016-04-06 | 浙江大学 | Pin type Pitot tube with fixing device and flow velocity measurement method thereof |
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| CN106500791A (en) * | 2016-11-04 | 2017-03-15 | 山东电力研究院 | A kind of Pitot tube automatic mobile device and measuring method with positioning function |
| CN206192415U (en) * | 2016-11-04 | 2017-05-24 | 山东电力研究院 | Pitot tube with direction fin |
| CN106771340A (en) * | 2016-12-16 | 2017-05-31 | 上海华川环保科技有限公司 | A kind of differential pressure type measuring device |
| CN207147695U (en) * | 2017-09-19 | 2018-03-27 | 中国水利水电科学研究院 | L-type Pitot tube stationary positioned device |
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| US5507192A (en) * | 1994-09-13 | 1996-04-16 | Beaudin; Allen B. | Automated gas measurement system |
| CN101231218A (en) * | 2008-02-02 | 2008-07-30 | 上海理工大学 | Integrated performance test method for vaporization cooling in various heat exchange models and modes |
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| CN203443970U (en) * | 2013-09-23 | 2014-02-19 | 国家电网公司 | Direction controllable pitot tube |
| CN103698163A (en) * | 2013-12-27 | 2014-04-02 | 中国原子能科学研究院 | Equipment fixing device for chimney gas sampling representativeness verification test |
| CN104121958A (en) * | 2014-08-13 | 2014-10-29 | 株洲南车时代电气股份有限公司 | Improved air volume measuring device based on L-shaped pitot tube |
| CN204165995U (en) * | 2014-09-28 | 2015-02-18 | 中建安装工程有限公司 | A kind of Pitot tube fixator of measuring channel wind speed |
| CN204165996U (en) * | 2014-09-28 | 2015-02-18 | 中建安装工程有限公司 | A kind of Pitot tube fixator |
| CN204188643U (en) * | 2014-10-22 | 2015-03-04 | 国家电网公司 | Pitot tube primary air velocity self-operated measuring unit |
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| CN106500791A (en) * | 2016-11-04 | 2017-03-15 | 山东电力研究院 | A kind of Pitot tube automatic mobile device and measuring method with positioning function |
| CN206192415U (en) * | 2016-11-04 | 2017-05-24 | 山东电力研究院 | Pitot tube with direction fin |
| CN106771340A (en) * | 2016-12-16 | 2017-05-31 | 上海华川环保科技有限公司 | A kind of differential pressure type measuring device |
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