CN104280069A - Wind pressure and blowing rate testing device and method - Google Patents
Wind pressure and blowing rate testing device and method Download PDFInfo
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- CN104280069A CN104280069A CN201410505789.6A CN201410505789A CN104280069A CN 104280069 A CN104280069 A CN 104280069A CN 201410505789 A CN201410505789 A CN 201410505789A CN 104280069 A CN104280069 A CN 104280069A
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 238000007664 blowing Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 10
- 238000010998 test method Methods 0.000 claims description 17
- 230000003068 static effect Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 238000013481 data capture Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention provides a wind pressure and blowing rate testing device which comprises a wind barrel. One end of the wind barrel is connected with an auxiliary draught fan in a sealed mode, and the other end of the wind barrel is connected with a fan to be tested or an object to be tested in a sealed mode. A wind pressure sensor and a blowing rate sensor are arranged in the wind barrel. When wind is blown from the fan to be tested to the outer side of the wind barrel, or the auxiliary draught fan blows wind to the object to be tested for wind resistance measurement, a suction type test is carried out. When wind is blown from the fan to be tested to the inner side of the wind barrel, or the auxiliary draught fan pumps air from the object to be tested for wind resistance measurement, a blowout type test is carried out. By the adoption of the suction type testing method and the blowout type testing method, under the conditions of different blowing rates and different wind pressures, the corresponding situations of all sections under different blowing rates and different wind pressures are recorded, the wind resistance characteristic curve of the object to be tested is obtained, a manufacturing factory can carry out optimization on products according to testing results, and the purpose of reducing energy consumption is achieved.
Description
Technical field
The present invention relates to a kind of air pressure air flow proving installation and method of testing.
Background technology
The ventilating part of current various equipment on the market, as fan, filter screen, radiating fin etc., the method of testing of carrying out complete, comprehensive windage characteristic is needed before dispatching from the factory, be convenient to manufacturer's science, efficient measurement fan, filter screen or radiating fin performance, and then have being optimized of foundation to properties of product, reach and reduce the object of energy consumption, there is multiple test mode on the market at present, but ventilating part under different wind direction or be subject to different distinguished and admirable in means of testing comparatively deficient.
Summary of the invention
The object of the invention is to the defect overcoming prior art, provide a kind of air pressure air flow proving installation and method of testing.
Technical scheme of the present invention is achieved in that
A kind of air pressure air flow proving installation, it comprises:
Wind bucket, described wind bucket one end is tightly connected accessory fan, and the other end is tightly connected fan to be measured or determinand; Wind pressure sensor and air flow sensor is provided with in described wind bucket;
When wind direction by described fan to be measured aweather bucket dry outward, or accessory fan to determinand blowing survey windage time, be called that suction-type is tested;
When wind direction is dried by described fan to be measured aweather bucket, or when accessory fan surveys windage to determinand exhausting, be called that blowing-type is tested.
Further, described fan to be measured or determinand sealing are arranged at same one end of described wind bucket with described accessory fan.
Further, described fan to be measured is connected with voltage sensor, current sensor and speed probe.
Further, adjustable thermal source is set and is connected with described fan to be measured or determinand, and be provided with temperature sensor and be connected with fan to be measured or determinand.
Present invention also offers a kind of air pressure air flow method of testing, it is characterized in that, comprise the following steps:
Steps A, test wind bucket sealing: the other end of wind bucket is tightly connected a correcting element, and accessory fan starts, the blast of test correcting element and air quantity, as test result is consistent with the windage characteristic of correcting element, then show that wind bucket is without leaking out, then carry out step B or step C;
Step B, test suction-type blast and air quantity: fan to be measured aweather bucket is dried outward, or accessory fan is to determinand blowing test windage, accessory fan towards determinand wind direction reverse direction blow in wind bucket there is no wind flow time, air quantity is zero, records maximum static pressure; Accessory fan and determinand wind direction equidirectional, and constantly increase the air quantity of accessory fan, until in wind bucket without pressure time, now record maximum quantity of wind; Recording in maximum static pressure and maximum quantity of wind process, just reversed by accessory fan and measuring air quantity corresponding to each blast;
Step C, test blowing-type blast and air quantity: fan to be measured aweather blowing in bucket, or accessory fan surveys windage to determinand exhausting, accessory fan towards determinand wind direction reverse direction blow in wind bucket there is no wind flow time, air quantity is zero, now records maximum static pressure; Accessory fan and determinand wind direction equidirectional, and constantly increase the air quantity of accessory fan, until in wind bucket without pressure time, now record maximum quantity of wind; Recording in maximum static pressure and maximum quantity of wind process, just reversed by accessory fan and measuring air quantity corresponding to each blast.
Further, in described step B, step C, while recording each stage blast and air quantity, also by voltage sensor, current sensor and speed probe record with the voltage of the fan described to be measured in stage, electric current and rotating speed.
Further, also comprise heat resistance characteristic test, in described step B, step C, control air pressure air flow through accessory fan and coordinate adjustment heat source temperature, corresponding heat resistance characteristic can be recorded.
The invention has the beneficial effects as follows: by the method for testing of suction-type and blowing-type, test draws the situation of blast under different air quantity, record the corresponding situation of different air quantity of each stage and blast, draw the air way characteristic curve of determinand, manufacturer can be optimized product according to test result, reach the object reducing energy consumption.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation that Fig. 1 provides for a kind of air pressure air flow proving installation of the present invention embodiment;
The schematic diagram of the steps A test that Fig. 2 provides for a kind of air pressure air flow method of testing of the present invention embodiment;
Fig. 3 is the schematic diagram of the suction-type maximum static pressure test mode of the fan to be measured of a kind of air pressure air flow of the present invention method of testing;
Fig. 4 is the schematic diagram of the suction-type maximum quantity of wind test mode of the fan to be measured of a kind of air pressure air flow of the present invention method of testing;
Fig. 5 is the schematic diagram of the blowing-type maximum static pressure test mode of the fan to be measured of a kind of air pressure air flow of the present invention method of testing;
Fig. 6 is the schematic diagram of the blowing-type maximum quantity of wind test mode of the fan to be measured of a kind of air pressure air flow of the present invention method of testing;
Fig. 7 is the schematic diagram of the heat resistance characteristic test mode of a kind of air pressure air flow method of testing of the present invention;
Fig. 8 is the schematic diagram of the suction-type test mode of the determinand of a kind of air pressure air flow method of testing of the present invention;
Fig. 9 is the schematic diagram of the blowing-type test mode of the determinand of a kind of air pressure air flow method of testing of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See such as Fig. 1, an embodiment of a kind of air pressure air flow proving installation of the present invention, it comprises:
Wind bucket 1, described wind 1 barrel of one end is tightly connected accessory fan 2, the other end is tightly connected fan 31 to be measured or determinand 3, certainly, fan 31 to be measured or determinand 3 also can arrange one end same with accessory fan 2, only arrange one end different from accessory fan 2 with fan 31 to be measured or determinand 3 and be described in detail in the present embodiment; Wind pressure sensor 11 and air flow sensor 10 is provided with, for measuring blast in wind bucket 1 and air quantity in described wind bucket 1; Described fan to be measured 31 is connected with voltage sensor (not shown), current sensor (not shown) and speed probe (not shown), is respectively used to measure the voltage of fan 31 to be measured, electric current and rotating speed; Arrange adjustable thermal source 5 to be connected with described fan 31 to be measured or determinand 4, and be provided with temperature sensor and be connected with fan 31 to be measured or determinand 3
In practical application, the all parts of a kind of air pressure air flow of the present invention proving installation is connected to PLC or other alternative controllers, comprise the controller that pci data capture card and single-chip microcomputer form, PLC or other alternative controllers are connected to computing machine, by the work of programming Control all parts, control comprises each sensor, accessory fan 2, fan 31 to be measured etc., the testing result of each sensor is transferred to computing machine by A/D digital-to-analog conversion, computing machine controls accessory fan through D/A analog to digital conversion, and then blast in adjustment wind bucket 1 and air quantity, finally pass through computational analysis Output rusults by computing machine, in the present embodiment, air flow sensor 10 uses volume flow sensor.
When wind direction is by the aweather outer blowing of bucket 1 of described fan 31 to be measured, or when accessory fan 2 dries survey windage to determinand 3, be called that suction-type is tested;
When wind direction is dried by described fan 31 to be measured aweather bucket 1, or when accessory fan 2 surveys windage to determinand 3 exhausting, be called that blowing-type is tested.
Present invention also offers a kind of air pressure air flow method of testing, it is characterized in that, comprise the following steps:
Steps A, test wind bucket 1 sealing: as shown in Figure 2, the other end of wind bucket 1 is tightly connected a correcting element 4, accessory fan 2 starts, the blast of test correcting element 4 and air quantity, as test result is consistent with the windage characteristic of correcting element 4, then show that wind bucket 1 is without leaking out, then carry out step B or step C;
Same one end that correcting element 4 can be arranged on accessory fan 2 also can be arranged at one end different from accessory fan 2, specifically, blast and the air quantity of test and the blast of correcting element 4, generator volume curve corresponding consistent time, show that now wind bucket 1 is without leaking out, good leak tightness, can ensure the accuracy of follow-up test.
Step B, test suction-type blast and air quantity: as shown in Figure 3, Figure 4, the fan 31 to be measured aweather outer blowing of bucket 1, or accessory fan 2 tests windage to determinand 3 blowing as shown in Figure 8, accessory fan 2 towards determinand 3 wind direction reverse direction blow in wind bucket 1 there is no wind flow time, air quantity is zero, now records maximum static pressure; As shown in Figure 4, accessory fan 2 is equidirectional with determinand 3 wind direction, and constantly increases the air quantity of accessory fan 2, until in wind bucket 1 without pressure time, now record maximum quantity of wind; Recording in maximum static pressure and maximum quantity of wind process, just reversed by accessory fan 2 and measuring air quantity corresponding to each blast;
Step C, test blowing-type blast and air quantity: as shown in Figure 5, Figure 6, the fan 31 to be measured aweather interior blowing of bucket 1, or accessory fan 2 surveys windage to determinand 3 exhausting as shown in Figure 9, accessory fan 2 towards determinand 3 wind direction reverse direction blow in wind bucket 1 there is no wind flow time, air quantity is zero, now records maximum static pressure; Accessory fan 2 is equidirectional with determinand 3 wind direction, and constantly increases the air quantity of accessory fan 2, until in wind bucket 1 without pressure time, now record maximum quantity of wind; Recording in maximum static pressure and maximum quantity of wind process, just reversed by accessory fan 2 and measuring air quantity corresponding to each blast.
Further, in described step B, step C, while recording each stage blast and air quantity, also by voltage sensor, current sensor and speed probe record with the voltage of the fan 31 described to be measured in stage, electric current and rotating speed.
Further, as shown in Figure 7, also comprise heat resistance characteristic test, in described step B, step C, control air pressure air flow through accessory fan 2 and coordinate adjustment thermal source 5 temperature, corresponding heat resistance characteristic can be recorded.
By the method for testing of suction-type and blowing-type, accurately can export the suction-type of fan 31 to be measured and the air way characteristic curve of blowing-type, manufacturer can be optimized product according to test result, reach the object reducing energy consumption.On the other hand, when for understanding different blast of each stage and air quantity, the working condition of fan 31 to be measured, voltage sensor, current sensor and speed probe, by recording the voltage of fan 31 to be measured, electric current and rotating speed, export voltage, electric current and rotating speed that windage characteristic is corresponding, make fan manufacturer get more information about windage and the duty corresponding relation of fan 31 to be measured; When testing heat resistance characteristic test, as shown in Figure 7, thermal source 5 contacts with fan 31 to be measured, by the temperature of change adjustment thermal source 5, fan 31 temperature to be measured is changed, fan 21 one end to be measured arranges the environment temperature that a greenhouse maintains fan 31 to be measured simultaneously, in the test process of air pressure air flow, simultaneously also by the temperature of temperature sensor record with the fan to be measured 31 in stage, blast, air quantity and temperature are mapped, obtain the heat resistance characteristic of fan 31 to be measured, complete heat resistance characteristic test.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, 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 (7)
1. an air pressure air flow proving installation, is characterized in that, comprising: wind bucket, and described wind bucket one end is tightly connected accessory fan, and the other end is tightly connected fan to be measured or determinand; Wind pressure sensor and air flow sensor is provided with in described wind bucket;
When wind direction by described fan to be measured aweather bucket dry outward, or accessory fan to determinand blowing survey windage time, be called that suction-type is tested;
When wind direction is dried by described fan to be measured aweather bucket, or when accessory fan surveys windage to determinand exhausting, be called that blowing-type is tested.
2. device as claimed in claim 1, is characterized in that, comprising: described fan to be measured or determinand sealing are arranged at same one end of described wind bucket with described accessory fan.
3. device as claimed in claim 1 or 2, is characterized in that, comprising: described fan to be measured is connected with voltage sensor, current sensor and speed probe.
4. device as claimed in claim 1 or 2, is characterized in that, comprising: arrange adjustable thermal source and be connected with described fan to be measured or determinand, and is provided with temperature sensor and is connected with fan to be measured or determinand.
5. an air pressure air flow method of testing for a kind of air pressure air flow proving installation as described in any one of claim 1 to 4, is characterized in that, comprise the following steps:
Steps A, test wind bucket sealing: the other end of wind bucket is tightly connected a correcting element, and accessory fan starts, the blast of test correcting element and air quantity, as test result is consistent with the windage characteristic of correcting element, then show that wind bucket is without leaking out, then carry out step B or step C;
Step B, test suction-type blast and air quantity: fan to be measured aweather bucket is dried outward, or accessory fan is to determinand blowing test windage, accessory fan towards determinand wind direction reverse direction blow in wind bucket there is no wind flow time, air quantity is zero, records maximum static pressure; Accessory fan and determinand wind direction equidirectional, and constantly increase the air quantity of accessory fan, until in wind bucket without pressure time, now record maximum quantity of wind; Recording in maximum static pressure and maximum quantity of wind process, just reversed by accessory fan and measuring air quantity corresponding to each blast;
Step C, test blowing-type blast and air quantity: fan to be measured aweather blowing in bucket, or accessory fan surveys windage to determinand exhausting, accessory fan towards determinand wind direction reverse direction blow in wind bucket there is no wind flow time, air quantity is zero, now records maximum static pressure; Accessory fan and determinand wind direction equidirectional, and constantly increase the air quantity of accessory fan, until in wind bucket without pressure time, now record maximum quantity of wind; Recording in maximum static pressure and maximum quantity of wind process, just reversed by accessory fan and measuring air quantity corresponding to each blast.
6. air pressure air flow method of testing as claimed in claim 5, it is characterized in that: in described step B, step C, while recording each stage blast and air quantity, also by voltage sensor, current sensor and speed probe record with the voltage of the fan described to be measured in stage, electric current and rotating speed.
7. the air pressure air flow method of testing as described in claim 5 or 6, is characterized in that: also comprise heat resistance characteristic test, in described step B, step C, controls air pressure air flow and coordinates adjustment heat source temperature, can record corresponding heat resistance characteristic through accessory fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505789.6A CN104280069B (en) | 2014-09-26 | 2014-09-26 | A kind of air pressure air flow test device and method of testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505789.6A CN104280069B (en) | 2014-09-26 | 2014-09-26 | A kind of air pressure air flow test device and method of testing |
Publications (2)
| Publication Number | Publication Date |
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| CN104280069A true CN104280069A (en) | 2015-01-14 |
| CN104280069B CN104280069B (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410505789.6A Expired - Fee Related CN104280069B (en) | 2014-09-26 | 2014-09-26 | A kind of air pressure air flow test device and method of testing |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762770A (en) * | 2017-01-24 | 2017-05-31 | 欧昇燕 | A kind of Wind volume detector |
| CN107576474A (en) * | 2017-08-28 | 2018-01-12 | 珠海格力电器股份有限公司 | Auxiliary structure for measuring wind resistance coefficient and wind resistance coefficient measuring equipment |
| CN108412797A (en) * | 2018-02-10 | 2018-08-17 | 崔广新 | A kind of fan delivery detection device |
| CN109899312A (en) * | 2019-04-30 | 2019-06-18 | 深圳市星禾宏泰自动化设备有限公司 | A kind of blower decompression performance test methods |
| CN110926824A (en) * | 2019-12-09 | 2020-03-27 | 湖南湘电动力有限公司 | Device and method for measuring internal circulation wind resistance characteristic and heat dissipation capacity of generator |
| TWI691704B (en) * | 2019-01-02 | 2020-04-21 | 長聖儀器股份有限公司 | Method for quickly calculating the maximum volume airflow rate of a fan |
| CN111693248A (en) * | 2020-04-22 | 2020-09-22 | 宁波锚点驱动技术有限公司 | Test method for small-air-volume fan |
| CN114060295A (en) * | 2020-07-31 | 2022-02-18 | 广东芬尼克兹节能设备有限公司 | Fan starting control method and device, electronic equipment and storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW430061U (en) * | 2000-03-02 | 2001-04-11 | Lin Wei Keng | A multi-purpose wind tunnel measurative system |
| CN100557404C (en) * | 2006-07-19 | 2009-11-04 | 上海理工大学 | The draught fan performance test device that the inlet and outlet of air compartment formula are general |
| CN100575909C (en) * | 2006-08-11 | 2009-12-30 | 比亚迪股份有限公司 | Blower performance test system and method for testing thereof |
| CN102539110A (en) * | 2010-12-20 | 2012-07-04 | 西安开容电子技术有限责任公司 | Wind resistance character testing device and design method thereof |
| KR101378378B1 (en) * | 2012-08-20 | 2014-03-31 | 김범준 | Wind Tunnel For Education |
-
2014
- 2014-09-26 CN CN201410505789.6A patent/CN104280069B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762770A (en) * | 2017-01-24 | 2017-05-31 | 欧昇燕 | A kind of Wind volume detector |
| CN106762770B (en) * | 2017-01-24 | 2018-06-12 | 三巨科技电机（深圳）有限公司 | A kind of Wind volume detector |
| CN107576474A (en) * | 2017-08-28 | 2018-01-12 | 珠海格力电器股份有限公司 | Auxiliary structure for measuring wind resistance coefficient and wind resistance coefficient measuring equipment |
| CN108412797A (en) * | 2018-02-10 | 2018-08-17 | 崔广新 | A kind of fan delivery detection device |
| CN108412797B (en) * | 2018-02-10 | 2023-08-15 | 崔广新 | Fan air quantity detection device |
| TWI691704B (en) * | 2019-01-02 | 2020-04-21 | 長聖儀器股份有限公司 | Method for quickly calculating the maximum volume airflow rate of a fan |
| CN109899312A (en) * | 2019-04-30 | 2019-06-18 | 深圳市星禾宏泰自动化设备有限公司 | A kind of blower decompression performance test methods |
| CN110926824A (en) * | 2019-12-09 | 2020-03-27 | 湖南湘电动力有限公司 | Device and method for measuring internal circulation wind resistance characteristic and heat dissipation capacity of generator |
| CN110926824B (en) * | 2019-12-09 | 2021-03-23 | 湖南湘电动力有限公司 | Device and method for measuring internal circulation wind resistance characteristic and heat dissipation capacity of generator |
| CN111693248A (en) * | 2020-04-22 | 2020-09-22 | 宁波锚点驱动技术有限公司 | Test method for small-air-volume fan |
| CN114060295A (en) * | 2020-07-31 | 2022-02-18 | 广东芬尼克兹节能设备有限公司 | Fan starting control method and device, electronic equipment and storage medium |
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| CN104280069B (en) | 2017-05-31 |
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