CN103018479A - Wind speed monitoring device of gas water heater fan - Google Patents
Wind speed monitoring device of gas water heater fan Download PDFInfo
- Publication number
- CN103018479A CN103018479A CN2012105052982A CN201210505298A CN103018479A CN 103018479 A CN103018479 A CN 103018479A CN 2012105052982 A CN2012105052982 A CN 2012105052982A CN 201210505298 A CN201210505298 A CN 201210505298A CN 103018479 A CN103018479 A CN 103018479A
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- China
- Prior art keywords
- fan
- pressure
- water heater
- monitoring device
- gas water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 238000010079 rubber tapping Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a wind speed monitoring device of a fan of a gas water heater, which is characterized by comprising a Venturi velocity measurement pipe connected with an air outlet of the fan, wherein a first pressure taking port is arranged at the maximum flow position of the Venturi velocity measurement pipe, a first pressure sensor is arranged at the first pressure taking port, a second pressure taking port is arranged at the minimum flow position of the Venturi velocity measurement pipe, and a second pressure sensor is arranged at the second pressure taking port. According to the invention, the first pressure taking port is arranged at the maximum flow position of the Venturi velocity measuring pipe, the second pressure taking port is arranged at the minimum flow position of the Venturi velocity measuring pipe, and the wind speed V1 of the sampling point can be calculated according to a formula, so that a reliability basis is provided for accurately acquiring the wind quantity of the fan, the wind speed of the fan can be accurately monitored, the structure is simple, and the installation is convenient.
Description
[technical field]
The present invention relates to a kind of air monitoring device of fan of gas water heater.
[background technology]
The burning of combustion gas be unable to do without combustion air, and suitable air and gas proportion will make combustion efficiency reach best.Mainly obtain air and adjusting by adjusting rotation speed of fan at present, traditional technology is to install magnetic pole additional by the rotating shaft at blower fan, then detects the rotating speed of rotating shaft on the shell of blower fan with Hall element, thus the operating condition of indirect monitoring blower fan.But because blower fan is more complicated in the relation between wind speed and the rotating speed under the different operating situation, it is not very reliable therefore replacing air monitoring with rotating speed.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art part, provide a kind of and can accurately monitor the blower fan wind speed, simple in structure, the air monitoring device of fan of gas water heater easy for installation.
The object of the present invention is achieved like this:
A kind of air monitoring device of fan of gas water heater, it is characterized in that it comprises the venturi pitot tube that is connected with fan outlet, the maximum flow place of described venturi pitot tube is provided with the first pressure tappings, the first pressure tappings is provided with the first pressure transducer, the minimum flow place of described venturi pitot tube is provided with the second pressure tappings, and the second pressure tappings is provided with the second pressure transducer.
The air monitoring device of aforesaid a kind of fan of gas water heater, the two ends that it is characterized in that described venturi pitot tube are two sections side pipes, the centre of two sections side pipes is connected with intervalve, the side pipe is tapered tube, intervalve is respectively pipe, a small-bore side of two sections side pipes is connected with intervalve respectively, and the first pressure tappings is arranged on the heavy caliber position of side pipe, and the second pressure tappings is located on the intervalve.
The air monitoring device of aforesaid a kind of fan of gas water heater, the cross sectional shape that it is characterized in that described intervalve can also be oval or square or rectangle.
The air monitoring device of aforesaid a kind of fan of gas water heater is characterized in that described the first pressure transducer and the second pressure transducer are piezoresistive pressure sensor.
The present invention is provided with the first pressure tappings at the maximum flow place of venturi pitot tube, be provided with the second pressure tappings at the minimum flow place at the venturi pitot tube, just can calculate the wind speed V1 of sampling spot according to formula, thereby for the air quantity of Obtaining Accurate blower fan provides the reliability foundation, can accurately monitor the blower fan wind speed, simple in structure, easy for installation.
[description of drawings]
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the present invention when being installed on the fan of gas water heater.
[embodiment]
A kind of air monitoring device of fan of gas water heater, it comprises the venturi pitot tube 1 that is connected with fan outlet, the maximum flow place of described venturi pitot tube 1 is provided with the first pressure tappings 2, the first pressure tappings 2 is provided with the first pressure transducer 3, the minimum flow place of described venturi pitot tube 1 is provided with the second pressure tappings 4, the second pressure tappings 4 and is provided with the second pressure transducer 5.
The two ends of venturi pitot tube 1 are two sections side pipes 11, the centre of two sections side pipes 11 is connected with intervalve 12, side pipe 11 is tapered tube, intervalve 12 is respectively pipe, a side of small-bore 110 of two sections side pipes 11 is connected with intervalve 12 respectively, the first pressure tappings 2 is arranged on heavy caliber 111 positions of side pipe 11, and the second pressure tappings 4 is located on the intervalve 12.
The cross sectional shape of intervalve 12 can also be oval or square or rectangle.
The first pressure transducer and the second pressure transducer are piezoresistive pressure sensor.
The first pressure transducer 3 and the second pressure transducer 5 are by the pressure detection circuit of pipeline connecting fan outside, and the interlock circuit that its signal is carried out transformation assay.Detect the pressure differential of large footpath and path, just can calculate the wind speed V1 of sampling spot according to formula, thereby provide the reliability foundation for the air quantity of Obtaining Accurate blower fan.
Described venturi pitot tube can be individual independently pipe, also the discharge pipe of blower fan directly can be designed to the venturi pitot tube.
As shown in Figure 2, venturi pitot tube 1 is installed in the air-out passage 101 of fan of gas water heater 100.The first pressure transducer of venturi pitot tube be connected pressure transducer and be connected with pressure detection circuit 102 respectively.
Claims (4)
1. the air monitoring device of a fan of gas water heater, it is characterized in that it comprises the venturi pitot tube (1) that is connected with fan outlet, the maximum flow place of described venturi pitot tube (1) is provided with the first pressure tappings (2), the first pressure tappings (2) is provided with the first pressure transducer (3), the minimum flow place of described venturi pitot tube (1) is provided with the second pressure tappings (4), and the second pressure tappings (4) is provided with the second pressure transducer (5).
2. the air monitoring device of a kind of fan of gas water heater according to claim 1, the two ends that it is characterized in that described venturi pitot tube (1) are two sections side pipes (11), the centre of two sections side pipes (11) is connected with intervalve (12), side pipe (11) is tapered tube, intervalve (12) is respectively pipe, a small-bore side of two sections side pipes (11) is connected with intervalve (12) respectively, the first pressure tappings (2) is arranged on the heavy caliber position of side pipe (11), and the second pressure tappings (4) is located on the intervalve (12).
3. the air monitoring device of a kind of fan of gas water heater according to claim 1, the cross sectional shape that it is characterized in that described intervalve (12) can also be oval or square or rectangle.
4. the air monitoring device of a kind of fan of gas water heater according to claim 1 is characterized in that described the first pressure transducer and the second pressure transducer are piezoresistive pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105052982A CN103018479A (en) | 2012-11-30 | 2012-11-30 | Wind speed monitoring device of gas water heater fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105052982A CN103018479A (en) | 2012-11-30 | 2012-11-30 | Wind speed monitoring device of gas water heater fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103018479A true CN103018479A (en) | 2013-04-03 |
Family
ID=47967317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105052982A Pending CN103018479A (en) | 2012-11-30 | 2012-11-30 | Wind speed monitoring device of gas water heater fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103018479A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729101A (en) * | 2015-01-26 | 2015-06-24 | 艾欧史密斯(中国)热水器有限公司 | Combustion control system for gas water heater or wall-hanging stove and control method thereof |
| CN105372446A (en) * | 2015-12-12 | 2016-03-02 | 中国航空工业集团公司西安飞机设计研究所 | Differential pressure type wind speed measuring sensor and detecting device with same |
| CN107941452A (en) * | 2017-12-21 | 2018-04-20 | 华南理工大学广州学院 | A kind of wind-force measure and control device and its control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19616100A1 (en) * | 1996-04-23 | 1997-10-30 | Buehler Ag | Method to determine speed and particle size of air-transported solids |
| CN2574013Y (en) * | 2002-10-26 | 2003-09-17 | 西安中望流量仪表有限公司 | Built-in throttle device |
| CN201225146Y (en) * | 2008-07-08 | 2009-04-22 | 长江大学 | Downhole oil, water, gas mixing phase flow measuring device |
| CN201335843Y (en) * | 2009-01-04 | 2009-10-28 | 南京万和测控仪表有限公司 | Double-throat-diameter venturi air-velocity measuring pipe |
| CN102359800A (en) * | 2011-10-10 | 2012-02-22 | 苍南自动化仪表厂 | Locally-integrated butt-welding venturi tube |
| CN202485725U (en) * | 2012-01-16 | 2012-10-10 | 项家从 | Expanded Venturi tube flow sensor |
| CN203011939U (en) * | 2012-11-30 | 2013-06-19 | 中山市樱雪集团有限公司 | Wind speed monitoring device of gas water heater fan |
-
2012
- 2012-11-30 CN CN2012105052982A patent/CN103018479A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19616100A1 (en) * | 1996-04-23 | 1997-10-30 | Buehler Ag | Method to determine speed and particle size of air-transported solids |
| CN2574013Y (en) * | 2002-10-26 | 2003-09-17 | 西安中望流量仪表有限公司 | Built-in throttle device |
| CN201225146Y (en) * | 2008-07-08 | 2009-04-22 | 长江大学 | Downhole oil, water, gas mixing phase flow measuring device |
| CN201335843Y (en) * | 2009-01-04 | 2009-10-28 | 南京万和测控仪表有限公司 | Double-throat-diameter venturi air-velocity measuring pipe |
| CN102359800A (en) * | 2011-10-10 | 2012-02-22 | 苍南自动化仪表厂 | Locally-integrated butt-welding venturi tube |
| CN202485725U (en) * | 2012-01-16 | 2012-10-10 | 项家从 | Expanded Venturi tube flow sensor |
| CN203011939U (en) * | 2012-11-30 | 2013-06-19 | 中山市樱雪集团有限公司 | Wind speed monitoring device of gas water heater fan |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729101A (en) * | 2015-01-26 | 2015-06-24 | 艾欧史密斯(中国)热水器有限公司 | Combustion control system for gas water heater or wall-hanging stove and control method thereof |
| CN104729101B (en) * | 2015-01-26 | 2017-06-30 | 艾欧史密斯(中国)热水器有限公司 | Gas heater or wall-hung boiler combustion control system and its control method |
| CN105372446A (en) * | 2015-12-12 | 2016-03-02 | 中国航空工业集团公司西安飞机设计研究所 | Differential pressure type wind speed measuring sensor and detecting device with same |
| CN107941452A (en) * | 2017-12-21 | 2018-04-20 | 华南理工大学广州学院 | A kind of wind-force measure and control device and its control method |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Application publication date: 20130403 |