CN203798820U - Sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having same - Google Patents
Sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having same Download PDFInfo
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- CN203798820U CN203798820U CN201320860561.XU CN201320860561U CN203798820U CN 203798820 U CN203798820 U CN 203798820U CN 201320860561 U CN201320860561 U CN 201320860561U CN 203798820 U CN203798820 U CN 203798820U
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- wind speed
- supervising device
- potential method
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- 238000005070 sampling Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000002474 experimental method Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000012806 monitoring device Methods 0.000 title abstract 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 15
- 238000012544 monitoring process Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Abstract
The utility model provides a sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having the same; the sampling wind speed monitoring device comprises an air sampling device used for sampling the air in a enthalpy potential method laboratory and a pressure gauge connected with the air sampling device so as to monitor pressure changes in the air sampling device; the sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having the same are high in stability, can realize real time monitoring, reduces labor intensity of experiment test personnel, and improves an experiment testing rate.
Description
Technical field
The utility model relates to enthalpy potential method experimental provision technical field, more specifically, relates to a kind of enthalpy potential method experiment checkout equipment that samples wind speed supervising device and have 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(outlet dry bulb-entrance dry bulb) * air quantity (Kg/S).According to above two formula, affect enthalpy difference experiment test error main cause and consider from two aspects, be i.e. the test error of air quantity and enter (going out) mouthful platinum resistance temperature test error.Yet the variation of sampling wind speed is by probe temperature collection (the GB GB/T7725-2004 appendix C surveying instrument that directly impact is imported and exported, C.1.3 the measurement of wet-bulb temperature should guarantee enough wet condition, the gas velocity that flows through wet bulb thermometer place is not less than 5m/s), the temperature acquisition value of importing and exporting is to calculate the critical data of refrigerating capacity and heating capacity, and the collection deviation of temperature and variation will directly cause the deviation of experimental results to bring very large burden to the monitoring of household air-conditioner data.
At present, the main detection means of monitoring of domestic enthalpy difference laboratory sampling wind speed is that the annual regularly artificial pin anemoscope that uses carries out laboratory metering.But enthalpy difference laboratory test kinds of machine is more, and operation maneuverability is larger, and laboratory stream time is longer, therefore easily there is the aging of manual operation deviation and each components and parts of laboratory; Thereby cause the collection that affects probe temperature to occur deviation, and then affect the accuracy of test data.Owing to using pin anemoscope to measure monitoring to sampling wind speed, completely adopt and manually carry out in addition, will increase experiment operator labour intensity virtually.
Utility model content
The utility model aims to provide a kind of enthalpy potential method experiment checkout equipment that samples wind speed supervising device and have it, to solve in prior art, uses anemoscope monitoring enthalpy difference laboratory sampling wind speed easily to affect the problem of test data accuracy.
For solving the problems of the technologies described above, according to an aspect of the present utility model, 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, the pressure that is connected to monitor with air sampling rig in air sampling rig changes.
Further, air sampling rig comprises: sampling pipe; Extractor fan, is connected with sampling pipe by connecting pipe, connecting pipe on the duct section between extractor fan and sampling pipe, there is 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 is counted U-tube manometer.
Further, stopple coupon is sampling flexible pipe.
Further, extractor fan is blower fan.
According on the other hand of the present utility model, a kind of enthalpy potential method experiment checkout equipment is provided, this enthalpy potential method experiment checkout equipment comprises sampling wind speed supervising device, sampling wind speed supervising device is above-mentioned sampling wind speed supervising device.
Application the technical solution of the utility model, 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; The pressure that pressure gauge is connected to monitor with air sampling rig in air sampling rig changes.In sampling wind speed supervising device of the present utility model, be provided with pressure gauge, 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, with respect to the mode of using anemoscope wind speed monitor wind speed in the past, the mode of the utility model working pressure meter monitor wind speed is subject to the impact of human factor little, stability is high and can realize monitoring in real time, reduce experiment test personnel's labour intensity, improve experiment test speed.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the front view of the sampling wind speed supervising device in the utility model.
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, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Shown in Figure 1, according to embodiment of the present utility model, 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; The pressure that pressure gauge 20 is connected to monitor with air sampling rig 10 in air sampling rig 10 changes.In carrying out the process of enthalpy potential method experiment, while having flowing gas to exist in air sampling rig 10, the random athletic meeting of gas produces gas pressure intensity, and flow velocity in air sampling rig 10 (being more than or equal to 5m/s) is larger with respect to the whole wind speed in laboratory (being less than or equal to 2.5m/s), now, the interior outside of air sampling rig 10 can produce certain pressure reduction.Under the certain prerequisite of the whole wind speed in laboratory, 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, in the sampling wind speed supervising device of the present embodiment, be provided with pressure gauge 20, whether the wind speed in the force value monitoring air sampling rig 10 detecting by pressure gauge 20 meets the condition of carrying out enthalpy potential method experiment, with respect to the mode of using anemoscope wind speed monitor wind speed in the past, the mode of middle working pressure meter 20 monitor wind speed of the present embodiment is subject to the impact of human factor little, stability is high and can realize monitoring in real time, 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, this connecting pipe 13 on the duct section between extractor fan 12 and sampling pipe 11, there is 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 embodiment of the present utility model, extractor fan 12 can also be set to other structures that can make sampling pipe 11 sample to the gas in enthalpy potential method laboratory.
Preferably, temperature-detecting device 30 is wet-and-dry bulb thermometer, simple in structure, is easy to realize.
According to the present embodiment, wind speed sampling supervising device also comprises stopple coupon 40, and this stopple coupon 40, for Bonding pressure meter 20, pressure gauge 20 is connected with temperature detection section 131, and the first end of stopple coupon 40 stretches in temperature detection section 131.Preferably, the platinum resistance (not shown) of the port of the first end of stopple coupon 40 and wet-and-dry bulb thermometer is positioned at same plane, the wind speed of guaranteeing pressure gauge 20 monitoring is the wind speed of wet-and-dry bulb thermometer while carrying out temperature survey, thereby improves 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, for preventing that stopple coupon 40 and temperature detection section 131 from leaking at link position place.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 the registration on pressure gauge 20.It should be noted that, the need of the present embodiment meet high low temperature (20 ℃～50 ℃) to be used.
Installation, the operation using method of the wind speed sampling supervising device of the present embodiment are as follows:
(1) install: the first end of stopple coupon 40 and air sampling rig 10 need be sealed by plug at link position place, guarantee sealing property, the second end of stopple coupon is connected with pressure gauge 20.Because device of the present utility model relates to gasmetry, therefore need guarantee the sealing of each link.After having connected, need to regulate the position of stopple coupon 40, make the first end of stopple coupon 40 and the platinum resistance of wet-and-dry bulb thermometer in same plane.
(2) installing and using for the first time need for example, by using professional sampler wind speed testing apparatus pin anemoscope to determine its pressure reduction test specification: when anemoscope measuring wind is shown as 5m/s, complete and 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, explanation wind speed now meets the condition of carrying out enthalpy potential method experiment, otherwise anti-.
According on the other hand of the present utility model, provide a kind of enthalpy potential method experiment checkout equipment.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 utility model the above embodiments have realized following technique effect: in the sampling wind speed supervising device of the present embodiment, be provided with pressure gauge, whether the wind speed in the value monitoring air sampling rig detecting by pressure gauge meets the condition of carrying out enthalpy potential method experiment, with respect to the mode of using anemoscope wind speed monitor wind speed in the past, the mode of the middle working pressure meter monitor wind speed of the present embodiment is subject to the impact of human factor little, stability is high and can realize monitoring in real time, reduce experiment test personnel labor intensity, improve experiment test speed.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a sampling wind speed supervising device, is characterized in that, comprising:
Air sampling rig (10), for gathering the air in enthalpy potential method laboratory;
Pressure gauge (20), the pressure that is connected to monitor with described air sampling rig (10) in described air sampling rig (10) changes;
Described air sampling rig (10) comprising:
Sampling pipe (11);
Extractor fan (12), by connecting pipe (13), be connected with described sampling pipe (11), being positioned on the duct section 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) upper to gather probe temperature.
2. sampling wind speed supervising device according to claim 1, is characterized in that, described temperature-detecting device (30) is wet-and-dry bulb thermometer.
3. sampling wind speed supervising device according to claim 2, 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).
4. sampling wind speed supervising device according to claim 3, is characterized in that, the port of first end and the platinum resistance of described wet-and-dry bulb thermometer of described stopple coupon (40) are positioned at same plane.
5. sampling wind speed supervising device according to claim 2, is characterized in that, also comprises seal, and described seal is arranged on the position that described stopple coupon (40) is connected with described temperature detection section (131).
6. according to the sampling wind speed supervising device described in any one in claim 1 to 5, it is characterized in that, described pressure gauge (20) is U-tube manometer.
7. sampling wind speed supervising device according to claim 3, is characterized in that, described stopple coupon (40) is sampling flexible pipe.
8. sampling wind speed supervising device according to claim 1, is characterized in that, described extractor fan (12) is blower fan.
9. an enthalpy potential method experiment checkout equipment, comprises sampling wind speed supervising device, it is characterized in that, described sampling wind speed supervising device is the sampling wind speed supervising device described in any one in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860561.XU CN203798820U (en) | 2013-12-24 | 2013-12-24 | Sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860561.XU CN203798820U (en) | 2013-12-24 | 2013-12-24 | Sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798820U true CN203798820U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320860561.XU Expired - Lifetime CN203798820U (en) | 2013-12-24 | 2013-12-24 | Sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having same |
Country Status (1)
| Country | Link |
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| CN (1) | CN203798820U (en) |
Cited By (3)
| 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 |
| CN109445476A (en) * | 2018-10-10 | 2019-03-08 | 珠海格力电器股份有限公司 | A kind of enthalpy difference laboratory nozzle autocontrol method |
| CN109612759A (en) * | 2018-12-19 | 2019-04-12 | 珠海格力电器股份有限公司 | A kind of enthalpy difference laboratory wet bulb operating condition autocontrol method |
-
2013
- 2013-12-24 CN CN201320860561.XU patent/CN203798820U/en not_active Expired - Lifetime
Cited By (4)
| 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 |
| CN109445476A (en) * | 2018-10-10 | 2019-03-08 | 珠海格力电器股份有限公司 | A kind of enthalpy difference laboratory nozzle autocontrol method |
| CN109612759A (en) * | 2018-12-19 | 2019-04-12 | 珠海格力电器股份有限公司 | A kind of enthalpy difference laboratory wet bulb operating condition autocontrol method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |