CN201548557U - Wind speed wind and wind quantity measuring device - Google Patents
Wind speed wind and wind quantity measuring device Download PDFInfo
- Publication number
- CN201548557U CN201548557U CN2009201883124U CN200920188312U CN201548557U CN 201548557 U CN201548557 U CN 201548557U CN 2009201883124 U CN2009201883124 U CN 2009201883124U CN 200920188312 U CN200920188312 U CN 200920188312U CN 201548557 U CN201548557 U CN 201548557U
- Authority
- CN
- China
- Prior art keywords
- static pressure
- total head
- wind speed
- average cavity
- chamber
- 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
Images
Abstract
The utility model provides a wind speed wind and wind quantity measuring device which comprises more than two wind speed measuring pipes, wherein total pressure chambers and static pressure chambers are arranged in the wind speed measuring pipes and respectively connected with a total pressure average chamber and a static pressure average chamber; and the total pressure average chamber and the static pressure average chamber are connected with an external differential pressure sensor through a connecting pipe. The device is characterized in that the total pressure chambers have closed ends and the other end inserted in the total pressure average chamber; more than two total pressure sampling holes are formed on windward faces of side walls of the total pressure chambers; the static pressure chambers have closed end and the other end inserted in the static pressure average chamber; and more than two pair of static pressure sampling holes are correspondingly formed on two faces parallel to wind direction on the side walls of the static pressure chambers. The device has the advantages of more collection points on the same cross section, accurate measurement, compact structure, reasonable arrangement, small occupied volume, great space conservation.
Description
Technical field
The utility model relates to a kind of wind speed measuring device, relates in particular in a kind of logical warm air conditioner system or cross section wind speed, apparatus for measuring air quantity in the air cleaning unit.
Background technology
In air cleaning unit, be provided with flow measurement device, wind speed, blast, air quantity are measured.In the prior art, what wind speed, apparatus for measuring air quantity adopted is that a plurality of pitot tubes are connected to average inner chamber of high pressure and the average inner chamber of low pressure, obtain behind the mean value again linking to each other with external minute-pressure difference sensing transducer, calculate the mean value of wind speed, air quantity by tube channel.
There are the following problems for wind speed, apparatus for measuring air quantity in the prior art:
One, there is following weak point in the pitot tube of existing apparatus employing:
1, because each pitot tube can only record the total head value and the static pressure of a point, the mean value that try to achieve whole wind speed, blast and air quantity just needs to use a plurality of expensive pitot tube measuring sensors, and financial cost is higher;
2, a plurality of pitot tube occupation space are big, the complex structure of entire measuring device, and volume is big;
3, the pipeline configuration of pitot tube inside is bigger to the data influence of measuring, so manufacture craft is strict, the cost of manufacture height;
Two, existing apparatus complicated integral structure, it is big to take up room, and measurement data is accurate inadequately.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, provide a kind of can disposable accurate measuring wind, the measurement mechanism of air quantity.
The purpose of this utility model is achieved in that a kind of wind speed, apparatus for measuring air quantity, comprise the measuring wind speed pipe more than 2, be provided with total head chamber and static pressure chamber in the described measuring wind speed pipe, described total head chamber and static pressure chamber are communicated with total head average cavity and static pressure average cavity respectively, described total head average cavity is connected by the differential pressure pick-up of connecting pipe with the external world with the static pressure average cavity, it is characterized in that: the end sealing in described total head chamber, the other end embeds in the described total head average cavity; The windward side of described total head chamber sidewall is provided with 2 above total head thieff hatchs; The one end sealing in described static pressure chamber, the other end embeds in the described static pressure average cavity; The corresponding static pressure thieff hatch that is provided with more than 2 pairs on two faces that are parallel to wind direction of described static pressure chamber sidewall.
In order to make compact conformation, rationally distributed, it is little to take up room, and described static pressure average cavity is arranged on the inside of described total head average cavity, described measuring wind speed pipe be distributed in described total head average cavity around.
For easy to process, described total head average cavity is provided with total head average cavity lid; Described static pressure average cavity is provided with static pressure average cavity lid.Between total head average cavity and the total head average cavity lid, the static pressure average cavity is threaded with can adopting between the static pressure average cavity is covered, and for good sealing effect, can add upper gasket between lid and cavity.
For further simplified structure, conserve space is provided with total head passage and static pressure passage in the described connecting pipe; Described connecting pipe and described measuring wind speed pipe be evenly distributed in jointly described total head average cavity around; One end of described total head passage embeds described total head average cavity, and the other end is connected with the differential pressure pick-up in the external world; One end of described static pressure passage embeds described static pressure average cavity, and the other end is connected with the differential pressure pick-up in the external world.
According to measuring needs, described total head thieff hatch can be set to 5～12; Described static pressure thieff hatch can be set to 5～12 pairs, and each total head thieff hatch and corresponding a pair of static pressure thieff hatch coplane, and the density degree in pore size and hole can be according to the needs setting of measuring.
The beneficial effects of the utility model are:
1, the utility model collection point under identical cross section is more, measures accurately; Simultaneously, the utility model compact conformation, rationally distributed, it is little to take volume, has saved the space greatly;
2, the measuring wind speed pipe of the utility model employing by on total head chamber and static pressure chamber a plurality of thieff hatchs being set respectively, can be measured the total head and the static pressure mean value of the each point in the straight line by a measuring tube, and the reliable measuring data height is convenient and practical;
3, the utility model preparation technology is simple, and not high, easy to process to the precision requirement of inner structure, financial cost is low.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of wind speed measuring tube among the utility model embodiment 1.
Fig. 4 is that the B of Fig. 3 is to view.
Fig. 5 is the A-A cut-open view of Fig. 3.
The straight line of band arrow is represented wind direction among the figure.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only be used to the utility model is described and be not used in the restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.
Shown in Fig. 1～5, a kind of wind speed, apparatus for measuring air quantity, comprise 7 measuring wind speed pipes 1, be provided with total head chamber 2 and static pressure chamber 3 in the described measuring wind speed pipe 1, described total head chamber 2 and static pressure chamber 3 are communicated with total head average cavity 4 and static pressure average cavity 5 respectively, described total head average cavity 4 is connected by the differential pressure pick-up (in figure do not mark) of connecting pipe 6 with the external world with static pressure average cavity 5, the end sealing in described total head chamber 2, and the other end embeds in the described total head average cavity 4; The windward side of described total head chamber 2 sidewalls is provided with 7 total head thieff hatchs 7; The one end sealing in described static pressure chamber 3, the other end embeds in the described static pressure average cavity 5; Correspondence is provided with 7 pairs of static pressure thieff hatchs 8 on two faces that are parallel to wind direction of described static pressure chamber 3 sidewalls; Each total head thieff hatch 7 and corresponding a pair of static pressure thieff hatch 8 coplanes; Described static pressure average cavity 5 is arranged on the inside of described total head average cavity 4; Described total head average cavity 4 is provided with total head average cavity lid 9; Described static pressure average cavity 5 is provided with static pressure average cavity lid 10; Be provided with total head passage 11 and static pressure passage 12 in the described connecting pipe 6; Described connecting pipe 6 and described measuring wind speed pipe 1 be evenly distributed in jointly described total head average cavity 4 around; One end of described total head passage 11 embeds described total head average cavity 4, and the other end is connected with the differential pressure pick-up in the external world; One end of described static pressure passage 12 embeds described static pressure average cavity 5, and the other end is connected with the differential pressure pick-up in the external world.
Claims (6)
1. a wind speed, apparatus for measuring air quantity, comprise the measuring wind speed pipe (1) more than 2, be provided with total head chamber (2) and static pressure chamber (3) in the described measuring wind speed pipe (1), described total head chamber (2) and static pressure chamber (3) are communicated with total head average cavity (4) and static pressure average cavity (5) respectively, described total head average cavity (4) is connected by the differential pressure pick-up of connecting pipe (6) with the external world with static pressure average cavity (5), it is characterized in that: the end sealing in described total head chamber (2), the other end embeds in the described total head average cavity (4); The windward side of described total head chamber (2) sidewall is provided with 2 above total head thieff hatchs (7); The one end sealing in described static pressure chamber (3), the other end embeds in the described static pressure average cavity (5); The corresponding static pressure thieff hatch (8) that is provided with more than 2 pairs on two faces that are parallel to wind direction of described static pressure chamber (3) sidewall.
2. wind speed according to claim 1, apparatus for measuring air quantity is characterized in that: described static pressure average cavity (5) is arranged on the inside of described total head average cavity (4), described measuring wind speed pipe (1) be distributed in described total head average cavity around.
3. wind speed according to claim 2, apparatus for measuring air quantity is characterized in that: described total head average cavity (4) is provided with total head average cavity lid (9); Described static pressure average cavity (5) is provided with static pressure average cavity lid (10).
4. according to claim 2 or 3 described wind speed, apparatus for measuring air quantity, it is characterized in that: be provided with total head passage (11) and static pressure passage (12) in the described connecting pipe (6); Described connecting pipe (6) and described measuring wind speed pipe (1) be evenly distributed in jointly described total head average cavity (4) around; One end of described total head passage (11) embeds described total head average cavity (4), and the other end is connected with the differential pressure pick-up in the external world; One end of described static pressure passage (12) embeds described static pressure average cavity (5), and the other end is connected with the differential pressure pick-up in the external world.
5. according to claim 1,2 or 3 described wind speed, apparatus for measuring air quantity, it is characterized in that: described total head thieff hatch (7) is 5～12; Described static pressure thieff hatch (8) is 5～12 pairs, and each total head thieff hatch (7) and corresponding a pair of static pressure thieff hatch (8) coplane.
6. wind speed according to claim 4, apparatus for measuring air quantity is characterized in that: described total head thieff hatch (7) is 5～12; Described static pressure thieff hatch (8) is 5～12 pairs, and each total head thieff hatch (7) and corresponding a pair of static pressure thieff hatch (8) coplane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201883124U CN201548557U (en) | 2009-10-16 | 2009-10-16 | Wind speed wind and wind quantity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201883124U CN201548557U (en) | 2009-10-16 | 2009-10-16 | Wind speed wind and wind quantity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201548557U true CN201548557U (en) | 2010-08-11 |
Family
ID=42603733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201883124U Expired - Lifetime CN201548557U (en) | 2009-10-16 | 2009-10-16 | Wind speed wind and wind quantity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201548557U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730284A (en) * | 2013-12-24 | 2015-06-24 | 格力电器（合肥）有限公司 | Sampling wind speed monitoring device and enthalpy difference method experimental detection equipment with same |
| CN105651341A (en) * | 2016-03-14 | 2016-06-08 | 广东康美风通风设备有限公司 | Wind volume and wind pressure sensing and pressure receiving device |
| CN105650837A (en) * | 2015-12-10 | 2016-06-08 | 无锡拓能自动化科技有限公司 | Air conditioner duct flow rate controller |
| CN105784021A (en) * | 2016-04-22 | 2016-07-20 | 南京友智科技有限公司 | Whole-section flow measurement device for circular pipeline |
| CN106093463A (en) * | 2016-06-06 | 2016-11-09 | 国网江西省电力科学研究院 | A kind of station boiler coal pulverizer outlet online leveling method of primary air velocity |
| CN106441460A (en) * | 2016-09-26 | 2017-02-22 | 天津大学 | Airflow measurement device for irregular ventilating equipment |
| CN108226567A (en) * | 2017-12-13 | 2018-06-29 | 太原航空仪表有限公司 | A kind of method that small air speed measurement is realized using flow sensor array |
| CN111398624A (en) * | 2020-03-06 | 2020-07-10 | 清远市智慧农业研究院 | Device and method for testing penetrability of canopy of lower washing wind field |
| CN111780825A (en) * | 2020-07-01 | 2020-10-16 | 王学义 | Air conditioner refrigeration air output testing device and using method thereof |
-
2009
- 2009-10-16 CN CN2009201883124U patent/CN201548557U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730284A (en) * | 2013-12-24 | 2015-06-24 | 格力电器（合肥）有限公司 | Sampling wind speed monitoring device and enthalpy difference method experimental detection equipment with same |
| CN104730284B (en) * | 2013-12-24 | 2019-11-12 | 珠海格力电器股份有限公司 | Sample wind speed monitoring device and the enthalpy potential method experiment detection device with it |
| CN105650837A (en) * | 2015-12-10 | 2016-06-08 | 无锡拓能自动化科技有限公司 | Air conditioner duct flow rate controller |
| CN105651341A (en) * | 2016-03-14 | 2016-06-08 | 广东康美风通风设备有限公司 | Wind volume and wind pressure sensing and pressure receiving device |
| CN105784021A (en) * | 2016-04-22 | 2016-07-20 | 南京友智科技有限公司 | Whole-section flow measurement device for circular pipeline |
| CN106093463A (en) * | 2016-06-06 | 2016-11-09 | 国网江西省电力科学研究院 | A kind of station boiler coal pulverizer outlet online leveling method of primary air velocity |
| CN106441460A (en) * | 2016-09-26 | 2017-02-22 | 天津大学 | Airflow measurement device for irregular ventilating equipment |
| CN106441460B (en) * | 2016-09-26 | 2023-09-15 | 天津大学 | Air quantity testing device of irregular ventilation equipment |
| CN108226567A (en) * | 2017-12-13 | 2018-06-29 | 太原航空仪表有限公司 | A kind of method that small air speed measurement is realized using flow sensor array |
| CN111398624A (en) * | 2020-03-06 | 2020-07-10 | 清远市智慧农业研究院 | Device and method for testing penetrability of canopy of lower washing wind field |
| CN111780825A (en) * | 2020-07-01 | 2020-10-16 | 王学义 | Air conditioner refrigeration air output testing device and using method thereof |
| CN111780825B (en) * | 2020-07-01 | 2022-05-31 | 佛山市鑫银康工程技术有限公司 | Air conditioner refrigeration air output testing device and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201548557U (en) | Wind speed wind and wind quantity measuring device | |
| CN101694498A (en) | Wind speed, wind pressure and wind volume measuring pipe | |
| CN201540304U (en) | Wind speed, wind pressure and wind volume measuring tube | |
| CN103070686B (en) | Device and method for measuring human body breathing mechanics parameter on basis of double differential-pressure sensors | |
| CN202033067U (en) | Solid volume measurement instrument | |
| CN203908603U (en) | Annubar flowmeter | |
| CN204101584U (en) | Wind speed and direction sensing device | |
| CN206161087U (en) | Gassiness flow measurement gasometry meter | |
| CN218097920U (en) | Metering device convenient to read metering data | |
| CN100470208C (en) | (MTC) flow sensor with flow signal amplifying function | |
| CN214150780U (en) | Novel five-hole probe | |
| CN201387354Y (en) | Novel radio frequency admittance sectional type liquid level meter | |
| CN202018309U (en) | L-shaped Pitot tube flow meter | |
| CN202230001U (en) | Resistance suction/pressure drop meter for monitoring cigarette samples and pressure difference at two ends of filter stick | |
| CN212376847U (en) | Portable water pump energy consumption analysis system | |
| CN201897489U (en) | Mass flowmeter for integrated V-shaped cone | |
| CN210689729U (en) | High-precision wide-range integrated differential pressure type flow measuring device | |
| CN203011440U (en) | Pitotbar flow sensor for liquid with air and impurities | |
| CN203535039U (en) | Electrical logging soil depressimeter | |
| CN203011438U (en) | Gas-liquid two-phase flow pitotbar flow meter | |
| CN202582616U (en) | Integrated intelligent Verabar flow meter | |
| CN201096500Y (en) | Insertion type bullet head type flow meter | |
| CN201359545Y (en) | Liquid measuring device | |
| CN205175473U (en) | Integrated intelligent inner cone type flow meter | |
| CN201203441Y (en) | Knoll flowmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
|
| CX01 | Expiry of patent term |