CN102539075A - Device and method for detecting overall leakage efficiency of field-mounted high-efficiency filter - Google Patents
Device and method for detecting overall leakage efficiency of field-mounted high-efficiency filter Download PDFInfo
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- CN102539075A CN102539075A CN2011104284691A CN201110428469A CN102539075A CN 102539075 A CN102539075 A CN 102539075A CN 2011104284691 A CN2011104284691 A CN 2011104284691A CN 201110428469 A CN201110428469 A CN 201110428469A CN 102539075 A CN102539075 A CN 102539075A
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- fan housing
- sampling
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- air filter
- efficiency particulate
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Abstract
The invention discloses a device and a method for detecting the overall leakage efficiency of a field-mounted high-efficiency filter. The device comprises a fan housing, a base which is arranged below the fan housing, and a sampling probe array and sampling tubes which are arranged on the base, wherein the inlet size of the fan housing is changeable; the sampling probe array comprises a plurality of sampling tubes, and is fixed on the base and communicated with the base through the sampling tubes; and a sampling interface is reserved in the middle of each sampling tube, and is communicated with a sampling inlet of a particle counter through a flexible pipe during detection. The device and the method, disclosed by the invention, for detecting the overall leakage efficiency of the field-mounted high-efficiency filter are used for detecting the overall leakage efficiency of the field-mounted high-efficiency filter, and the device has the advantages of convenience for operation, adaptability for various air ports, accuracy, scientificity, strong interference resistance, strong stability, convenience for movement and the like.
Description
Technical field
The invention belongs to the air cleaning technical field, relate to a kind of pick-up unit, relate in particular to a kind of on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing; Simultaneously, the invention still further relates to a kind of on-the-spot high efficiency particulate air filter leak efficient detection method of installing.
Background technology
Along with progress of science and technology development, increasingly high requirement has been proposed for the lustration class and the security and stability of clean room.The performance of high efficiency particulate air filter directly affects the clean level of room air, if there is localized seepage's defect point in the filtrator, then can influence the filter effect of filtrator, has a strong impact on product quality, even can endanger staff's personal safety.Therefore, high efficiency particulate air filter must carry out leak test before dispatching from the factory, and after installing, need carry out Leak Detection, in use also need regularly hunt leak, to guarantee safe, stable, the operate as normal of high efficiency particulate air filter.
The high efficiency particulate air filter leak hunting method that comparatively generally adopts in the industry at present is the counting scanning method, and the method complicated operation, detection efficiency are low, and particularly artificial sweep velocity is unstable, the scanning route is difficult for holding, be prone to omit localized seepage's defect point; And, for the vitiated air of the downstream that make seized filtrator and surrounding environment is isolated, need surround seized filtrator, the loaded down with trivial details and waste enclosing material of program with the enclosing that sufficient length is installed at the scene.
Both science was accurate how to make the detection of high efficiency particulate air filter leak efficient, can improve detection efficiency again, was that technical field needs the urgent problems that solve.
Summary of the invention
Technical matters to be solved by this invention is: a kind of on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing is provided, easy to operate, adapt to multiple air port, accurate science, anti-interference energy is strong, stability is strong, conveniently moving; Overcome that the running program that exists in prior art and the product is complicated, low, the artificial sweep velocity of detection efficiency is unstable, the scanning route is difficult for holding, be prone to omit localized seepage's defect point, drawbacks such as waste enclosing material.
In addition, the present invention also provides the above-mentioned on-the-spot detection method that high efficiency particulate air filter leak efficient pick-up unit is installed, easy to operate, adapt to multiple air port, accurate science, anti-interference energy is strong, stability is strong, conveniently moving; Overcome that the running program that exists in prior art and the product is complicated, low, the artificial sweep velocity of detection efficiency is unstable, the scanning route is difficult for holding, be prone to omit localized seepage's defect point, drawbacks such as waste enclosing material.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing, said device comprises: fan housing, be arranged at the base under the fan housing, and the sampling probe array, the sampling pipe that are provided with on the base;
The inlet size variable of said fan housing; The sampling probe array comprises some sampling pipes, is fixed on the base, through sampling pipe UNICOM; The sampling interface is left in the sampling pipe middle part, passes through the sampling inlet UNICOM of flexible pipe and corpuscular counter during detection.
As a kind of preferred version of the present invention, said fan housing and base removably connect, and with strut fan housing are supported on the base during use.
As a kind of preferred version of the present invention, and use electrostatic prevention, not dust suction, the magic tape of acomia dirt (5,11) connects fan housing 3 and base 6.
As a kind of preferred version of the present invention, said base both sides are provided with handle.
As a kind of preferred version of the present invention, the inlet framework of said fan housing adopts contraction pole, and taper angle is not more than 30 °.
As a kind of preferred version of the present invention, connect fan housing and base through magic tape.
As a kind of preferred version of the present invention, utilize the sampling probe array to carry out the multiple spot synchronized sampling, can detect the leak efficient of high efficiency particulate air filter;
(1) counting method is leaked efficient under the nominal air delivery:
(2) counting method filtration efficiency under the nominal air delivery:
A kind of above-mentioned on-the-spot detection method that high efficiency particulate air filter leak efficient pick-up unit is installed, said method comprises the steps:
According to seized high efficiency particulate air filter adjusted size fan housing inlet framework contraction pole, make the size of fan housing inlet adapt to filter size;
With strut fan housing is supported on the base, and the magic tape on fan housing and the base is sticked together;
Be connected with corpuscular counter with the flexible pipe interface of will sampling;
Open clean air-conditioning system, and seized high efficiency particulate air filter is under the nominal air delivery;
Inject the test gasoloid at the system upper reaches, and carry out upper reaches concentration sampling in the steady air current section;
Testing staff's hand-held device handle is aimed at high efficiency particulate air filter with the fan housing inlet, and is close to the filtrator peripheral wall surface, stops setting-up time, and the pure air that high efficiency particulate air filter is seen off is discharged the vitiated air that retains in the fan housing;
Open corpuscular counter, before the counting vitiated air that retains in the sampling apparatus is discharged, begin the counting sampling then, when utilizing this device that downstream concentration is carried out sample detecting, the sample detecting of upper reaches concentration also utilizes related device to carry out synchronously.
Thinking of the present invention is: 1. install fan housing and adopt variable-sized inlet, concrete implementation method is that the framework of fan housing inlet adopts contraction pole, so that this pick-up unit is applicable to the high efficiency particulate air filter of different size.2. according to fluid dynamics energy equation and continuity equation, adopt tapering type fan housing to make and keep malleation in the pick-up unit, prevent that extraneous particulate from getting in the pick-up unit, testing result is brought interference, make testing result accurately and reliably.3. utilize the sampling probe array to carry out the multiple spot synchronized sampling, detect accurate science, stability is strong, need not the scanning inspection, overcomes all drawbacks that artificial scanning detects, and is easy to operate, can improve detection efficiency.4. utilize the sampling probe array to carry out the multiple spot synchronized sampling, can detect the leak efficient of high efficiency particulate air filter.5. fan housing and base are detachable, and be easy to carry, and on-the-spot the installation supported fan housing with strut during use, and connects fan housing and base, easy installation and removal with magic tape.
Beneficial effect of the present invention is: high efficiency particulate air filter leak efficient pick-up unit is installed at the scene that the present invention proposes and method adopts the fan housing of size variable to enter the mouth, to be applicable to the high efficiency particulate air filter of different size; According to fluid dynamics energy equation and continuity equation, adopt tapering type fan housing to make and keep malleation in the pick-up unit, prevent external interference; Utilize the sampling probe array to carry out the multiple spot synchronized sampling, detect the leak efficient of high efficiency particulate air filter, accurate science, stability is strong, can improve detection efficiency; Support fan housing with strut, and connect fan housing and base, easy installation and removal with magic tape.The present invention is used for the detection of high efficiency particulate air filter leak efficient, and that this device has is easy to operate, adapt to multiple air port, accurate science, advantages such as anti-interference energy is strong, stability is strong, conveniently moving.
Description of drawings
Fig. 1 installs the structural representation of high efficiency particulate air filter leak efficient pick-up unit for the present invention is on-the-spot.
Fig. 2 is the structural representation of pick-up unit fan housing of the present invention.
Fig. 3 is the structural representation of pick-up unit base of the present invention.
Embodiment
Specify the preferred embodiments of the present invention below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1 to Fig. 3, the present invention has disclosed a kind of on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing, and comprising: fan housing 3, be arranged at the base 6 under the fan housing 3, and the sampling probe array 10, the sampling pipe 8 that are provided with on the base 6.
The testing process of pick-up unit of the present invention is: according to seized high efficiency particulate air filter adjusted size fan housing inlet framework contraction pole 2; Make the size of fan housing inlet 1 adapt to filter size; With strut 4 fan housing is supported on the base 6; And fan housing 3 and magic tape 5,11 on the base 6 sticked together, be connected with corpuscular counter with flexible pipe 13 interface 9 of will sampling.Open clean air-conditioning system, and seized high efficiency particulate air filter is under the nominal air delivery.Inject the test gasoloid at the system upper reaches, and carry out upper reaches concentration sampling in the steady air current section.Testing staff's hand-held device handle 12 is aimed at high efficiency particulate air filter with fan housing inlet 1, and is close to the filtrator peripheral wall surface, stops 10s, and the pure air that high efficiency particulate air filter is seen off is discharged the vitiated air that retains in the fan housing 3.Open corpuscular counter; Before the counting vitiated air that retains in the sampling apparatus (7,8,9,10,13) is discharged; Begin the counting sampling then, when utilizing this device that downstream concentration is carried out sample detecting, the sample detecting of upper reaches concentration also utilizes related device to carry out synchronously.Sampling time is 1min, and the air downstream sampling quantity is 28.3L/min (1.0ft3/min).
High efficiency particulate air filter detected parameters main formulas for calculating is following:
(1) counting method is leaked efficient under the nominal air delivery:
(2) counting method filtration efficiency under the nominal air delivery:
In sum, high efficiency particulate air filter leak efficient pick-up unit is installed at the scene that the present invention proposes and method adopts the fan housing of size variable to enter the mouth, to be applicable to the high efficiency particulate air filter of different size; According to fluid dynamics energy equation and continuity equation, adopt tapering type fan housing to make and keep malleation in the pick-up unit, prevent external interference; Utilize the sampling probe array to carry out the multiple spot synchronized sampling, detect the leak efficient of high efficiency particulate air filter, accurate science, stability is strong, can improve detection efficiency; Support fan housing with strut, and connect fan housing and base, easy installation and removal with magic tape.The present invention is used for the detection of high efficiency particulate air filter leak efficient, and that this device has is easy to operate, adapt to multiple air port, accurate science, advantages such as anti-interference energy is strong, stability is strong, conveniently moving.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of the embodiment that is disclosed and change are possible, and the replacement of embodiment is known with the various parts of equivalence for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or essential characteristic, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change here to the embodiment that is disclosed.
Claims (8)
1. on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing is characterized in that said device comprises: fan housing, be arranged at the base under the fan housing, and the sampling probe array, the sampling pipe that are provided with on the base; The inlet size variable of said fan housing; The sampling probe array comprises some sampling pipes, is fixed on the base, through sampling pipe UNICOM; The sampling interface is left in the sampling pipe middle part, passes through the sampling inlet UNICOM of flexible pipe and corpuscular counter during detection.
2. the on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing according to claim 1 is characterized in that:
Said fan housing and base removably connect, and with strut fan housing are supported on the base during use.
3. the on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing according to claim 1 is characterized in that:
And use electrostatic prevention, and not dust suction, the magic tape of acomia dirt (5,11) connects fan housing 3 and base 6.
4. the on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing according to claim 1 is characterized in that:
Said base both sides are provided with handle.
5. the on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing according to claim 1 is characterized in that:
The inlet framework of said fan housing adopts contraction pole, and taper angle is not more than 30 °.
6. the on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing according to claim 1 is characterized in that:
Connect fan housing and base through magic tape.
7. the on-the-spot high efficiency particulate air filter leak efficient pick-up unit of installing according to claim 1 is characterized in that:
Utilize the sampling probe array to carry out the multiple spot synchronized sampling, can detect the leak efficient of high efficiency particulate air filter;
(1) counting method is leaked efficient under the nominal air delivery:
(2) counting method filtration efficiency under the nominal air delivery:
8. the said on-the-spot detection method that high efficiency particulate air filter leak efficient pick-up unit is installed of one of claim 1 to 7 is characterized in that said method comprises the steps:
According to seized high efficiency particulate air filter adjusted size fan housing inlet framework contraction pole, make the size of fan housing inlet adapt to filter size;
With strut fan housing is supported on the base, and the magic tape on fan housing and the base is sticked together;
Be connected with corpuscular counter with the flexible pipe interface of will sampling;
Open clean air-conditioning system, and seized high efficiency particulate air filter is under the nominal air delivery;
Inject the test gasoloid at the system upper reaches, and carry out upper reaches concentration sampling in the steady air current section;
Testing staff's hand-held device handle is aimed at high efficiency particulate air filter with the fan housing inlet, and is close to the filtrator peripheral wall surface, stops setting-up time, and the pure air that high efficiency particulate air filter is seen off is discharged the vitiated air that retains in the fan housing;
Open corpuscular counter, before the counting vitiated air that retains in the sampling apparatus is discharged, begin the counting sampling then, when utilizing this device that downstream concentration is carried out sample detecting, the sample detecting of upper reaches concentration also utilizes related device to carry out synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110428469.1A CN102539075B (en) | 2011-12-19 | 2011-12-19 | Device and method for detecting overall leakage efficiency of field-mounted high-efficiency filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110428469.1A CN102539075B (en) | 2011-12-19 | 2011-12-19 | Device and method for detecting overall leakage efficiency of field-mounted high-efficiency filter |
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| CN102539075A true CN102539075A (en) | 2012-07-04 |
| CN102539075B CN102539075B (en) | 2014-06-25 |
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| CN201110428469.1A Expired - Fee Related CN102539075B (en) | 2011-12-19 | 2011-12-19 | Device and method for detecting overall leakage efficiency of field-mounted high-efficiency filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918428A (en) * | 2015-12-28 | 2017-07-04 | 卡菲尔有限公司 | For the test probe of filter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000019080A (en) * | 1998-07-01 | 2000-01-21 | Seiko Epson Corp | Contaminated particle measuring method |
| JP2000206031A (en) * | 1999-01-11 | 2000-07-28 | Hitachi Plant Eng & Constr Co Ltd | Leak detecting apparatus for dustproof filter |
| CN1603835A (en) * | 2003-08-06 | 2005-04-06 | 爱德华兹系统技术有限公司 | Detector with dust filter and airflow monitor |
| CN101149175A (en) * | 2006-09-20 | 2008-03-26 | 中国建筑科学研究院空气调节研究所 | Security exhaust device |
| CN201229353Y (en) * | 2008-07-09 | 2009-04-29 | 上海理工大学 | Wind speed and air quantity tester of combination high-effect filter |
-
2011
- 2011-12-19 CN CN201110428469.1A patent/CN102539075B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000019080A (en) * | 1998-07-01 | 2000-01-21 | Seiko Epson Corp | Contaminated particle measuring method |
| JP2000206031A (en) * | 1999-01-11 | 2000-07-28 | Hitachi Plant Eng & Constr Co Ltd | Leak detecting apparatus for dustproof filter |
| CN1603835A (en) * | 2003-08-06 | 2005-04-06 | 爱德华兹系统技术有限公司 | Detector with dust filter and airflow monitor |
| CN101149175A (en) * | 2006-09-20 | 2008-03-26 | 中国建筑科学研究院空气调节研究所 | Security exhaust device |
| CN201229353Y (en) * | 2008-07-09 | 2009-04-29 | 上海理工大学 | Wind speed and air quantity tester of combination high-effect filter |
Non-Patent Citations (1)
| Title |
|---|
| 聂雪丽等: "管式高效空气过滤器的实验研究", 《洁净与空调技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918428A (en) * | 2015-12-28 | 2017-07-04 | 卡菲尔有限公司 | For the test probe of filter |
| CN106918428B (en) * | 2015-12-28 | 2020-09-22 | 康斐尔集团公司 | Test probe for filter |
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| CN102539075B (en) | 2014-06-25 |
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Inventor after: Zou Zhijun Inventor after: Chen Yushan Inventor after: Shen Li Inventor after: Liang Yun Inventor after: Zhou Jiawei Inventor after: Li Hao Inventor after: Wang Fei Inventor before: Zou Zhijun Inventor before: Liang Yun Inventor before: Zhou Jiawei Inventor before: Li Hao Inventor before: Wang Fei |
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Free format text: CORRECT: INVENTOR; FROM: ZOU ZHIJUN LIANG YUN ZHOU JIAWEI LI HAO WANG FEI TO: ZOU ZHIJUN CHEN YUSHAN SHEN LI LIANG YUN ZHOU JIAWEI LI HAO WANG FEI |
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Granted publication date: 20140625 Termination date: 20161219 |
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