CN104730284B - Sample wind speed monitoring device and the enthalpy potential method experiment detection device with it - Google Patents
Sample wind speed monitoring device and the enthalpy potential method experiment detection device with it Download PDFInfo
- Publication number
- CN104730284B CN104730284B CN201310723941.3A CN201310723941A CN104730284B CN 104730284 B CN104730284 B CN 104730284B CN 201310723941 A CN201310723941 A CN 201310723941A CN 104730284 B CN104730284 B CN 104730284B
- Authority
- CN
- China
- Prior art keywords
- sampling
- wind speed
- monitoring device
- speed monitoring
- potential method
- 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.)
- Active
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000002474 experimental method Methods 0.000 title abstract description 19
- 238000005070 sampling Methods 0.000 claims abstract description 78
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 239000000523 sample Substances 0.000 claims description 31
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000003483 aging Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The present invention provides a kind of sampling wind speed monitoring device and with its enthalpy potential method experiment detection device.The sampling wind speed monitoring device includes: air sampling rig, tests indoor air for acquiring enthalpy potential method；Pressure gauge is connect to monitor the pressure change in air sampling rig with air sampling rig.Sampling wind speed monitoring device of the invention and stability with its enthalpy potential method experiment detection device are high and be able to achieve real time monitoring, can reduce the labor intensity of experiment tester, improve and test test rate.
Description
Technical field
The present invention relates to enthalpy potential method experimental provision technical field, more particularly, to a kind of sampling wind speed monitoring device and
Enthalpy potential method with it tests detection device.
Background technique
Enthalpy potential method laboratory test principle: (1) refrigerating capacity (W)=air quantity (Kg/S) * (entrance specific enthalpy-outlet specific enthalpy) (J/
Kg)；(2) heating capacity (W)=specific heat (J/Kg.K) * △ T(exports dry bulb-inlet dry bulb) * air quantity (Kg/S).It is public according to above two
It from the point of view of formula, influences enthalpy difference experiment test error main cause and considers in terms of two, is i.e. the test error of air quantity and into (out) mouth
Platinum resistance temperature test error.However the probe temperature for directly affecting inlet and outlet is acquired (national standard GB/ by the variation for sampling wind speed
T7725-2004 appendix C measuring instrument, C.1.3 the measurement of wet-bulb temperature should ensure that enough wet conditions, flow through wet-bulb temperature
Air velocity at meter is not less than 5m/s), the temperature collection value of inlet and outlet is to calculate the critical data of refrigerating capacity and heating capacity, temperature
The deviation that the acquisition deviation of degree and variation will result directly in experimental results will be to the monitoring band of household air-conditioner data
Carry out very big burden.
Currently, it is periodically manually to use pin hole every year that the monitoring of domestic enthalpy difference laboratory sampling wind speed, which predominantly detects means,
Formula anemobiagraph carries out laboratory metering.But enthalpy difference laboratory test machine type is more, operation mobility is larger, and laboratory
Stream time is longer, therefore is easy that there are the agings of each component of manual operation deviation and laboratory；So as to cause influence
There is deviation in the acquisition of probe temperature, and then influences the accuracy of test data.Additionally, due to use pin anemobiagraph to taking
Sample wind speed measures monitoring, is carried out completely using artificial, will virtually will increase experiment operator labor intensity.
Summary of the invention
The present invention is intended to provide a kind of sampling wind speed monitoring device and the enthalpy potential method with it test detection device, to solve
The problem of influencing test data accuracy is easy using anemobiagraph monitoring enthalpy difference laboratory sampling wind speed in the prior art.
In order to solve the above technical problems, according to an aspect of the invention, there is provided a kind of sampling wind speed monitoring device, is somebody's turn to do
Sampling wind speed monitoring device includes: air sampling rig, tests indoor air for acquiring enthalpy potential method；Pressure gauge, with air
Sampling apparatus is connected to monitor the pressure change in air sampling rig.
Further, air sampling rig includes: sampling pipe；Extractor fan is connect by connecting tube with sampling pipe, connection
There is temperature detection section on the duct section between extractor fan and sampling pipe of pipe；Temperature-detecting device is arranged in temperature
It detects in section to acquire probe temperature.
Further, temperature-detecting device is wet-and-dry-bulb thermometer.
Further, sampling wind speed monitoring device further includes probe tube, and pressure gauge passes through probe tube and temperature detection Duan Lian
It connects, and the first end of probe tube protrudes into temperature detection section.
Further, the port of the first end of probe tube and the platinum resistance of wet-and-dry-bulb thermometer are in the same plane.
Further, sampling wind speed monitoring device further includes sealing element, and sealing element is arranged in probe tube and temperature detection section
At the position of connection.
Further, pressure is calculated as U-tube manometer.
Further, probe tube is sampling hose.
Further, extractor fan is blower.
According to another aspect of the present invention, a kind of enthalpy potential method experiment detection device is provided, enthalpy potential method experiment detection is set
Standby includes sampling wind speed monitoring device, and sampling wind speed monitoring device is above-mentioned sampling wind speed monitoring device.
It applies the technical scheme of the present invention, sampling wind speed monitoring device includes air sampling rig and pressure gauge.Wherein, empty
Gas sampling apparatus tests indoor air for acquiring enthalpy potential method；Pressure gauge is connect to monitor air sampling with air sampling rig
Pressure change in device.In sampling wind speed monitoring device of the invention it is provided with pressure gauge, is arrived by what pressure gauge detected
Whether the wind speed in pressure value monitoring air sampling rig meets the condition for carrying out enthalpy potential method experiment, uses wind speed relative to previous
The mode of instrument wind speed monitor wind speed, the present invention are influenced small, stability by human factor using the mode of pressure gauge monitor wind speed
It is high and be able to achieve real time monitoring, the labor intensity of experiment tester is reduced, improves and tests test rate.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the main view of the sampling wind speed monitoring device in the present invention.
Description of symbols:
10, air sampling rig；11, sampling pipe；12, extractor fan；13, connecting tube；131, temperature detection section；20, it presses
Power meter；30, temperature-detecting device；40, probe tube.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
It is shown in Figure 1, according to an embodiment of the invention, providing a kind of sampling wind speed monitoring device.The sampling wind speed
Monitoring device includes air sampling rig 10 and pressure gauge 20.Wherein, air sampling rig 10 is for acquiring enthalpy potential method laboratory
Interior air；Pressure gauge 20 is connect to monitor the pressure change in air sampling rig 10 with air sampling rig 10.Carry out
During enthalpy potential method is tested, in the presence of having flowing gas in air sampling rig 10, the random movement of gas can be generated
Gas pressure intensity, and flow velocity (being more than or equal to 5m/s) (is less than or equal to relative to laboratory entirety wind speed in air sampling rig 10
It is 2.5m/s) larger, at this point, the interior outside of air sampling rig 10 can generate certain pressure difference.In laboratory, entirety wind speed is certain
Under the premise of, magnitude of pressure differential between the two depends on the wind speed of flowing gas in air sampling rig 10.According to above-mentioned original
It manages, is provided with pressure gauge 20 in the sampling wind speed monitoring device of the present embodiment, monitored by the pressure value that pressure gauge 20 detects empty
Whether the wind speed in gas sampling apparatus 10 meets the condition for carrying out enthalpy potential method experiment, is monitored relative to previous using anemobiagraph wind speed
The mode of wind speed, the middle mode using 20 monitor wind speed of pressure gauge of the present embodiment are influenced small, stability height by human factor
And it is able to achieve real time monitoring, experiment tester's labor intensity is reduced, experiment test rate is improved.
Referring again to shown in Fig. 1, the air sampling rig of the present embodiment includes sampling pipe 11, extractor fan 12 and temperature
Detection device 30.Wherein, sampling pipe 11 tests indoor gas for acquiring enthalpy potential method；Extractor fan 12 by connecting tube 13 with
Sampling pipe 11 connects, and has temperature detection section on the duct section between extractor fan 12 and sampling pipe 11 of the connecting tube 13
131；Temperature-detecting device 30 is arranged in temperature detection section 131 to acquire probe temperature.Preferably, the exhausting in the present embodiment
Device 12 is blower, and in other embodiments of the invention, extractor fan 12, which may be arranged as other, can make sampling pipe 11
The structure that indoor gas is sampled can be tested to enthalpy potential method.
Preferably, temperature-detecting device 30 is wet-and-dry-bulb thermometer, is had the advantages of simple structure and easy realization.
According to the present embodiment, it further includes probe tube 40 that wind speed, which samples monitoring device, and the probe tube 40 is for connecting pressure gauge
20, pressure gauge 20 is connect with temperature detection section 131, and the first end of probe tube 40 protrudes into temperature detection section 131.It is preferred that
Ground, the port of the first end of probe tube 40 and the platinum resistance (not shown) of wet-and-dry-bulb thermometer are in the same plane, really
The wind speed that packing pressure meter 20 monitors is wind speed when wet-and-dry-bulb thermometer carries out temperature measurement, to improve enthalpy potential method experimental result
Precision.
Wind speed sampling monitoring device further includes sealing element (not shown), which is arranged in probe tube 40 and temperature
It detects at the position that section 131 connects, for preventing probe tube 40 from leaking at link position with temperature detection section 131.It is excellent
Selection of land, the sealing element in the present embodiment are rubber plug, and probe tube 40 is sampling hose.
Preferably, pressure gauge 20 is U-tube manometer, reads the registration on pressure gauge 20 convenient for tester.It needs to illustrate
, the need of the present embodiment meet (- 20 DEG C~50 DEG C) of high/low temperature uses.
The installation of the wind speed sampling monitoring device of the present embodiment, operate with method are as follows:
(1) install: the first end of probe tube 40 need to be sealed with air sampling rig 10 at link position by rubber plug, be guaranteed
Sealing performance, the second end of probe tube are then connected with pressure gauge 20.Since the device of the invention is related to gasmetry, therefore need to ensure
The leakproofness of each link.The position that adjusting probe tube 40 is needed after the completion of connection, so that the first end and wet and dry bulb of probe tube 40
The platinum resistance of thermometer is in the same plane.
(2) installing and using for the first time need to be by using professional sampler wind speed test equipment pin anemobiagraph to determine its pressure
Poor test scope, such as: it is shown as 5m/s when anemobiagraph measures wind speed, then completes record U-tube manometer and reads a instantly.And in U
Corresponding scale is marked out on U-tube manometer, it is convenient to provide visualizing for subsequent monitoring.If the registration of U-tube manometer is more than or equal to
A then illustrates that wind speed at this time meets the condition for carrying out enthalpy potential method experiment, on the contrary then anti-.
According to another aspect of the present invention, a kind of enthalpy potential method experiment detection device is provided.Enthalpy potential method experiment detection is set
Standby includes sampling wind speed monitoring device, which is above-mentioned sampling wind speed monitoring device.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements: the present embodiment
Sampling wind speed monitoring device in be provided with pressure gauge, by pressure gauge detect value monitor air sampling rig in wind speed be
No satisfaction carries out the condition of enthalpy potential method experiment, relative to the previous mode for using anemobiagraph wind speed monitor wind speed, the present embodiment
The middle mode using pressure gauge monitor wind speed is influenced small by human factor, and stability is high and is able to achieve real time monitoring, reduces reality
Test tries personnel labor intensity, improves experiment test rate.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of sampling wind speed monitoring device characterized by comprising
Air sampling rig (10) tests indoor air for acquiring enthalpy potential method；
Pressure gauge (20) is connect to monitor the change of the pressure in the air sampling rig (10) with the air sampling rig (10)
Change；
The air sampling rig (10) includes:
Sampling pipe (11)；
Extractor fan (12) is connect by connecting tube (13) with the sampling pipe (11), and being located at for the connecting tube (13) is described
There are temperature detection section (131) on duct section between extractor fan (12) and the sampling pipe (11)；
Temperature-detecting device (30) is arranged on the temperature detection section (131) to acquire probe temperature；
Probe tube (40), the pressure gauge (20) are connect by probe tube (40) with the temperature detection section (131), and described are taken
The first end of sample pipe (40) protrudes into the temperature detection section (131)；
The temperature-detecting device (30) is wet-and-dry-bulb thermometer；
The port of first end of the probe tube (40) and the platinum resistance of the wet-and-dry-bulb thermometer are in the same plane.
2. sampling wind speed monitoring device according to claim 1, which is characterized in that it further include sealing element, the sealing element
It is arranged at the position that the probe tube (40) is connect with the temperature detection section (131).
3. sampling wind speed monitoring device according to any one of claim 1 to 2, which is characterized in that the pressure gauge
It (20) is U-tube manometer.
4. sampling wind speed monitoring device according to claim 1, which is characterized in that the probe tube (40) is that sampling is soft
Pipe.
5. sampling wind speed monitoring device according to claim 1, which is characterized in that the extractor fan (12) is blower.
6. a kind of enthalpy potential method tests detection device, including sampling wind speed monitoring device, which is characterized in that the sampling wind speed monitoring
Device is sampling wind speed monitoring device described in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310723941.3A CN104730284B (en) | 2013-12-24 | 2013-12-24 | Sample wind speed monitoring device and the enthalpy potential method experiment detection device with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310723941.3A CN104730284B (en) | 2013-12-24 | 2013-12-24 | Sample wind speed monitoring device and the enthalpy potential method experiment detection device with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104730284A CN104730284A (en) | 2015-06-24 |
| CN104730284B true CN104730284B (en) | 2019-11-12 |
Family
ID=53454376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310723941.3A Active CN104730284B (en) | 2013-12-24 | 2013-12-24 | Sample wind speed monitoring device and the enthalpy potential method experiment detection device with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104730284B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018874A (en) * | 2016-07-22 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Environmental wind speed monitoring system based on filter circuit and power supply controller |
| CN106093460B (en) * | 2016-08-11 | 2022-04-26 | 珠海格力电器股份有限公司 | Flow velocity measuring device |
| CN112973257B (en) * | 2021-02-18 | 2022-04-22 | 珠海格力电器股份有限公司 | Filter element anti-blocking detection method and device, storage medium and water purification equipment |
| CN113607295A (en) * | 2021-06-09 | 2021-11-05 | 合肥通用机械研究院有限公司 | Low-temperature air temperature and humidity measurement and calculation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09329477A (en) * | 1996-06-10 | 1997-12-22 | Nikkei Kk | Dynamic pressure measurement |
| JPH10118504A (en) * | 1996-10-21 | 1998-05-12 | Itoki Crebio Corp | Calibration method for wind velocity of draft chamber |
| CN201548557U (en) * | 2009-10-16 | 2010-08-11 | 吴江市华宇净化设备有限公司 | Wind speed wind and wind quantity measuring device |
| CN102967478A (en) * | 2012-11-12 | 2013-03-13 | 天津市卓东科技发展有限公司 | Enthalpy difference laboratory |
| CN203083832U (en) * | 2013-02-04 | 2013-07-24 | 南京师范大学 | Energy-recovery full fresh air air-handling unit performance testing device |
| CN203798820U (en) * | 2013-12-24 | 2014-08-27 | 格力电器（合肥）有限公司 | Sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having same |
-
2013
- 2013-12-24 CN CN201310723941.3A patent/CN104730284B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09329477A (en) * | 1996-06-10 | 1997-12-22 | Nikkei Kk | Dynamic pressure measurement |
| JP3657354B2 (en) * | 1996-06-10 | 2005-06-08 | ニッケイ株式会社 | Dynamic pressure measuring device |
| JPH10118504A (en) * | 1996-10-21 | 1998-05-12 | Itoki Crebio Corp | Calibration method for wind velocity of draft chamber |
| CN201548557U (en) * | 2009-10-16 | 2010-08-11 | 吴江市华宇净化设备有限公司 | Wind speed wind and wind quantity measuring device |
| CN102967478A (en) * | 2012-11-12 | 2013-03-13 | 天津市卓东科技发展有限公司 | Enthalpy difference laboratory |
| CN203083832U (en) * | 2013-02-04 | 2013-07-24 | 南京师范大学 | Energy-recovery full fresh air air-handling unit performance testing device |
| CN203798820U (en) * | 2013-12-24 | 2014-08-27 | 格力电器（合肥）有限公司 | Sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having same |
Non-Patent Citations (1)
| Title |
|---|
| 《空调器焓差法实验的影响因素分析》;齐淑芳;《第十三届全国热泵与系统节能技术大会论文集》;20090615;第64-67页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104730284A (en) | 2015-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6556709B2 (en) | How to check the normal functioning of sampling equipment | |
| CN104730284B (en) | Sample wind speed monitoring device and the enthalpy potential method experiment detection device with it | |
| CN102967491B (en) | Particle sampling device and utilize this device to carry out the method for particle detection | |
| CN203798704U (en) | Novel direct-reading type dust concentration measuring instrument verification and calibration device | |
| US20130227929A1 (en) | System and device for monitoring contaminants in a fluid | |
| CN105758593A (en) | Helium mass spectrum leakage detection equipment for nuclear evaporator heat conduction pipe and quantitative positioning method | |
| CN107966419A (en) | The on-line measurement device of absolute humidity of gas in flue gas or pipeline gas | |
| CN208060103U (en) | A kind of exhaust system quantity of gas leakage detection device | |
| CN205719079U (en) | A kind of high-temperature gas humidity on-line measuring device | |
| CN112414630A (en) | Helium cover method long-distance pipeline leakage point troubleshooting positioning device and troubleshooting method | |
| CN207516208U (en) | Gas-detecting device | |
| CN203798820U (en) | Sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having same | |
| CN207717129U (en) | A kind of flue dust gas sampling comprehensive detection system | |
| CN203231899U (en) | Filter field test bench applied to general ventilation | |
| CN203561532U (en) | Portable gas detector | |
| CN110530684A (en) | A kind of boiler of power plant exhaust gas components sampler, measuring system and method | |
| CN202599975U (en) | Portable dust-containing airflow air speed monitoring device | |
| CN207964002U (en) | A kind of pipeline air volume test equipment | |
| CN208330695U (en) | A kind of pneumatics apparatus test device for simulating applying working condition | |
| CN208934988U (en) | A kind of booster performance data measurement unit | |
| CN208297661U (en) | A kind of aerosol design of Electrical Parameter Measurement System | |
| CN106093118A (en) | The portable set of a kind of moisture in detected gas and method | |
| CN206470285U (en) | Measure the device of pipeline gas flow rate | |
| CN103925951B (en) | By the blower fan of Frequency Converter Control by air quantity on-line monitoring method | |
| CN209264405U (en) | Flue gas moisture instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 519070 Guangdong city of Zhuhai Province Qianshan No. six Applicant after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Applicant after: GREE ELECTRIC(HEFEI) Co.,Ltd. Address before: 230088 Anhui city of Hefei province high tech Zone Parkinson weir Science Park Road No. 208. Applicant before: GREE ELECTRIC(HEFEI) Co.,Ltd. Applicant before: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |