CN104730284A - Sampling wind speed monitoring device and enthalpy difference method experimental detection equipment with same - Google Patents
Sampling wind speed monitoring device and enthalpy difference method experimental detection equipment with same Download PDFInfo
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- CN104730284A CN104730284A CN201310723941.3A CN201310723941A CN104730284A CN 104730284 A CN104730284 A CN 104730284A CN 201310723941 A CN201310723941 A CN 201310723941A CN 104730284 A CN104730284 A CN 104730284A
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- speed supervising
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Abstract
The invention provides a sampling wind speed monitoring device and enthalpy difference method experimental detection equipment with the same. The sampling wind speed monitoring device comprises an air sampling device and a pressure gauge, wherein the air sampling device is used for collecting air in an enthalpy difference method laboratory, and the pressure gauge is connected with the air sampling device to monitor the pressure change in the air sampling device. According to the sampling wind speed monitoring device and the enthalpy difference method experimental detection equipment with the same, the stability is high, the real-time monitoring can be achieved, the labor intensity of an experiment tester can be reduced, and the experimental test rate is improved.
Description
Technical field
The present invention relates to enthalpy potential method experimental provision technical field, more specifically, relate to a kind of enthalpy potential method experiment checkout equipment sampling wind speed supervising device and there is it.
Background technology
Enthalpy potential method laboratory test philosophy: (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).According to above two formula, affect enthalpy difference experiment test error main cause and consider from two aspects, namely air quantity test error and enter (going out) mouth platinum resistance temperature test error.But the change of sampling wind speed will directly affect probe temperature collection (the GB GB/T7725-2004 appendix C surveying instrument of import and export, C.1.3 the measurement of wet-bulb temperature should ensure enough wet condition, the gas velocity flowing through wet bulb thermometer place is not less than 5m/s), the temperature acquisition value imported and exported is the critical data calculating refrigerating capacity and heating capacity, and the collection deviation of temperature and change will bring very large burden to the monitoring of household air-conditioner data by directly causing the deviation of experimental results.
At present, the main detection means of monitoring of domestic enthalpy difference laboratory sampling wind speed is, the annual regularly artificial pin anemoscope that uses carries out laboratory metering.But enthalpy difference laboratory test machine kind is more, operation maneuverability is comparatively large, and laboratory stream time is longer, therefore easily there is the aging of each components and parts of manual operation deviation and laboratory; Thus cause the collection affecting probe temperature to occur deviation, and then affect the accuracy of test data.In addition owing to using pin anemoscope to carry out measurement monitoring to sampling wind speed, adopt manually carry out completely, experiment operator labour intensity will be increased virtually.
Summary of the invention
The present invention aims to provide a kind of enthalpy potential method experiment checkout equipment sampling wind speed supervising device and have it, to solve in prior art the problem using anemoscope monitoring enthalpy difference laboratory sampling wind speed easily to affect test data accuracy.
For solving the problems of the technologies described above, according to an aspect of the present invention, provide a kind of sampling wind speed supervising device, this sampling wind speed supervising device comprises: air sampling rig, for gathering the air in enthalpy potential method laboratory; Pressure gauge, is connected with air sampling rig and changes with the pressure monitored in air sampling rig.
Further, air sampling rig comprises: sampling pipe; Extractor fan, is connected with sampling pipe by connecting pipe, and the duct section between extractor fan and sampling pipe of connecting pipe has temperature detection section; Temperature-detecting device, is arranged in temperature detection section to gather probe temperature.
Further, temperature-detecting device is wet-and-dry bulb thermometer.
Further, sampling wind speed supervising device also comprises stopple coupon, and pressure gauge is connected with temperature detection section by stopple coupon, and the first end of stopple coupon stretches in temperature detection section.
Further, the port of the first end of stopple coupon and the platinum resistance of wet-and-dry bulb thermometer are positioned at same plane.
Further, sampling wind speed supervising device also comprises seal, and seal is arranged on the position that stopple coupon is connected with temperature detection section.
Further, pressure counts U-tube manometer.
Further, stopple coupon is sampling flexible pipe.
Further, extractor fan is blower fan.
According to a further aspect in the invention, provide a kind of enthalpy potential method experiment checkout equipment, this enthalpy potential method experiment checkout equipment comprises sampling wind speed supervising device, and sampling wind speed supervising device is above-mentioned sampling wind speed supervising device.
Apply technical scheme of the present invention, sampling wind speed supervising device comprises air sampling rig and pressure gauge.Wherein, air sampling rig is for gathering the air in enthalpy potential method laboratory; Pressure gauge is connected with air sampling rig and changes with the pressure monitored in air sampling rig.Pressure gauge is provided with in sampling wind speed supervising device of the present invention, by pressure gauge detect to force value monitoring air sampling rig in wind speed whether meet the condition of carrying out enthalpy potential method experiment, relative to the mode using anemoscope wind speed monitor wind speed in the past, the present invention uses the mode of pressure gauge monitor wind speed little by the impact of human factor, stability is high and can realize in real time monitoring, reduce the labour intensity of experiment test personnel, improve experiment test speed.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the front view of the sampling wind speed supervising device in the present invention.
Description of reference numerals:
10, air sampling rig; 11, sampling pipe; 12, extractor fan; 13, connecting pipe; 131, temperature detection section; 20, pressure gauge; 30, temperature-detecting device; 40, stopple coupon.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Shown in Figure 1, according to embodiments of the invention, provide a kind of sampling wind speed supervising device.This sampling wind speed supervising device comprises air sampling rig 10 and pressure gauge 20.Wherein, air sampling rig 10 is for gathering the air in enthalpy potential method laboratory; Pressure gauge 20 is connected the pressure monitored in air sampling rig 10 to be changed with air sampling rig 10.In the process of carrying out enthalpy potential method experiment, when having flowing gas to exist in air sampling rig 10, the random athletic meeting of gas produces gas pressure intensity, and flow velocity (being more than or equal to 5m/s) is larger relative to the overall wind speed in laboratory (being less than or equal to 2.5m/s) in air sampling rig 10, now, the interior outside of air sampling rig 10 can produce certain pressure reduction.Under the prerequisite that the overall wind speed in laboratory is certain, magnitude of pressure differential between the two depends on the wind speed of flowing gas in air sampling rig 10.According to above-mentioned principle, pressure gauge 20 is provided with in the sampling wind speed supervising device of the present embodiment, whether the wind speed in the force value monitoring air sampling rig 10 detected by pressure gauge 20 meets the condition of carrying out enthalpy potential method experiment, relative to the mode using anemoscope wind speed monitor wind speed in the past, the mode of middle use pressure gauge 20 monitor wind speed of the present embodiment is little by the impact of human factor, stability is high and can realize in real time monitoring, reduce experiment test personnel labor intensity, improve experiment test speed.
Refer again to shown in Fig. 1, the air sampling rig of the present embodiment comprises sampling pipe 11, extractor fan 12 and temperature-detecting device 30.Wherein, sampling pipe 11 is for gathering the gas in enthalpy potential method laboratory; Extractor fan 12 is connected with sampling pipe 11 by connecting pipe 13, and the duct section between extractor fan 12 and sampling pipe 11 of this connecting pipe 13 has temperature detection section 131; Temperature-detecting device 30 is arranged in temperature detection section 131 to gather probe temperature.Preferably, the extractor fan 12 in the present embodiment is blower fan, and in other embodiments of the invention, extractor fan 12 can also be set to other structures that sampling pipe 11 can be made can to sample to the gas in enthalpy potential method laboratory.
Preferably, temperature-detecting device 30 is wet-and-dry bulb thermometer, and structure is simple, is easy to realize.
According to the present embodiment, wind speed sampling supervising device also comprises stopple coupon 40, and pressure gauge 20, for Bonding pressure meter 20, is connected with temperature detection section 131 by this stopple coupon 40, and the first end of stopple coupon 40 stretches in temperature detection section 131.Preferably, the port of the first end of stopple coupon 40 and the platinum resistance (not shown) of wet-and-dry bulb thermometer are positioned at same plane, guarantee that wind speed that pressure gauge 20 is monitored is the wind speed of wet-and-dry bulb thermometer when carrying out temperature survey, thus improve the precision of enthalpy potential method experimental result.
Wind speed sampling supervising device also comprises seal (not shown), and the seal is arranged on the position that stopple coupon 40 is connected with temperature detection section 131, leaks at link position place for preventing stopple coupon 40 and temperature detection section 131.Preferably, the seal in the present embodiment is plug, and stopple coupon 40 is sampling flexible pipe.
Preferably, pressure gauge 20 is U-tube manometer, is convenient to tester and reads registration on pressure gauge 20.It should be noted that, the need of the present embodiment meet high/low temperature (-20 DEG C ~ 50 DEG C) and use.
Installation, the operation using method of the wind speed sampling supervising device of the present embodiment are as follows:
(1) install: first end and the air sampling rig 10 of stopple coupon 40 need be sealed by plug at link position place, ensure sealing property, the second end of stopple coupon is then connected with pressure gauge 20.Because device of the present invention relates to gasmetry, therefore the sealing of each link need be guaranteed.Need after having connected to regulate the position of stopple coupon 40, make the platinum resistance of the first end of stopple coupon 40 and wet-and-dry bulb thermometer in same plane.
(2) first time installs and uses and need determine its pressure reduction test specification by the professional sampler wind speed testing apparatus pin anemoscope of use, such as: when anemoscope measuring wind is shown as 5m/s, then completes record U-tube manometer reading a instantly.And on U-tube manometer, mark out corresponding scale, for follow-up monitoring provides visualizing convenient.If the registration of U-tube manometer is more than or equal to a, then illustrate that wind speed now meets the condition of carrying out enthalpy potential method experiment, on the contrary then anti-.
According to a further aspect in the invention, a kind of enthalpy potential method experiment checkout equipment is provided.This enthalpy potential method experiment checkout equipment comprises sampling wind speed supervising device, and this sampling wind speed supervising device is above-mentioned sampling wind speed supervising device.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: be provided with pressure gauge in the sampling wind speed supervising device of the present embodiment, whether the wind speed in the value monitoring air sampling rig detected by pressure gauge meets the condition of carrying out enthalpy potential method experiment, relative to the mode using anemoscope wind speed monitor wind speed in the past, the mode of the middle use pressure gauge monitor wind speed of the present embodiment is little by the impact of human factor, stability is high and can realize in real time monitoring, reduce experiment test personnel labor intensity, improve experiment test speed.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. sample a wind speed supervising device, it is characterized in that, comprising:
Air sampling rig (10), for gathering the air in enthalpy potential method laboratory;
Pressure gauge (20), is connected with described air sampling rig (10) pressure monitored in described air sampling rig (10) and changes.
2. sampling wind speed supervising device according to claim 1, is characterized in that, described air sampling rig (10) comprising:
Sampling pipe (11);
Extractor fan (12), is connected with described sampling pipe (11) by connecting pipe (13), and the duct section being positioned between described extractor fan (12) and described sampling pipe (11) of described connecting pipe (13) has temperature detection section (131);
Temperature-detecting device (30), is arranged on described temperature detection section (131) to gather probe temperature.
3. sampling wind speed supervising device according to claim 2, is characterized in that, described temperature-detecting device (30) is wet-and-dry bulb thermometer.
4. sampling wind speed supervising device according to claim 3, it is characterized in that, also comprise stopple coupon (40), described pressure gauge (20) is connected with described temperature detection section (131) by stopple coupon (40), and the first end of described stopple coupon (40) stretches in described temperature detection section (131).
5. sampling wind speed supervising device according to claim 4, is characterized in that, the port of the first end of described stopple coupon (40) and the platinum resistance of described wet-and-dry bulb thermometer are positioned at same plane.
6. sampling wind speed supervising device according to claim 4, is characterized in that, also comprise seal, and described seal is arranged on the position that described stopple coupon (40) is connected with described temperature detection section (131).
7. sampling wind speed supervising device according to any one of claim 1 to 6, is characterized in that, described pressure gauge (20) is U-tube manometer.
8. sampling wind speed supervising device according to claim 4, is characterized in that, described stopple coupon (40) is sampling flexible pipe.
9. sampling wind speed supervising device according to claim 2, is characterized in that, described extractor fan (12) is blower fan.
10. an enthalpy potential method experiment checkout equipment, comprises sampling wind speed supervising device, it is characterized in that, the sampling wind speed supervising device of described sampling wind speed supervising device according to any one of claim 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| 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 |
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| CN104730284A true CN104730284A (en) | 2015-06-24 |
| CN104730284B CN104730284B (en) | 2019-11-12 |
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Cited By (3)
| 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 |
| CN106093460A (en) * | 2016-08-11 | 2016-11-09 | 珠海格力电器股份有限公司 | A kind of flow rate measuring device |
| CN112973257A (en) * | 2021-02-18 | 2021-06-18 | 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 |
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 |
|---|
| 齐淑芳: "《空调器焓差法实验的影响因素分析》", 《第十三届全国热泵与系统节能技术大会论文集》 * |
Cited By (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 |
| CN106093460A (en) * | 2016-08-11 | 2016-11-09 | 珠海格力电器股份有限公司 | A kind of flow rate measuring device |
| CN106093460B (en) * | 2016-08-11 | 2022-04-26 | 珠海格力电器股份有限公司 | Flow velocity measuring device |
| CN112973257A (en) * | 2021-02-18 | 2021-06-18 | 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 |
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| CN104730284B (en) | 2019-11-12 |
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