CN106679902A - Dry-type air cleaner element detection device and dry-type air cleaner element detection method - Google Patents
Dry-type air cleaner element detection device and dry-type air cleaner element detection method Download PDFInfo
- Publication number
- CN106679902A CN106679902A CN201611218947.5A CN201611218947A CN106679902A CN 106679902 A CN106679902 A CN 106679902A CN 201611218947 A CN201611218947 A CN 201611218947A CN 106679902 A CN106679902 A CN 106679902A
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- China
- Prior art keywords
- seal case
- air cleaner
- dry
- type air
- filter core
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3263—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a differential pressure detector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Disclosed is a dry-type air cleaner element detection device which comprises a seal box. An installation detecting opening used for arranging a to-be-detected air cleaner element is formed in one of any optional box walls, a suction fan is installed on one box wall neighboring to the box wall with the installation detecting opening, and a vacuum meter used for detecting internal air pressure in the seal box is further arranged beside the suction fan. The detection method includes: arranging a cavity, taking the cleaner element as the only intake channel of the cavity and an exhaust device as the only air-out channel, starting the exhaust device to enable air in the cavity to flow, and then measuring pressure intensity inside the cavity; calculating the pressure intensity by comparing the pressure intensity in the cavity when the to-be-detected air cleaner element with the pressure intensity generated when a total brand new cleaner element of the same type is used, and when pressure difference is within 6%, the to-be-detected cleaner element can be used continuously. The dry-type air cleaner element detection device is simple in structure, the detection method is simple and wide in application range, and scientific and effective detection results can be provided.
Description
Technical field
The invention belongs to air filter detection technique field, specifically a kind of dry-type air cleaner filter check
Device and its detection method.
Background technology
Air filter is a very important part in the fields such as pneumatic machinery, diesel machine, and effect is for these
Plant equipment provides the air of cleaning, in case these plant equipment suck increase mill with the air of impurity particle at work
Erosion and the probability damaged.The chief component of air filter is filter core and casing, and wherein filter core carries the filtering of gas
Work, and casing be for filter core is provided must external structure to be protected.When actually used, it is desirable to which air filter is to undertake
Efficient air-filtering work, not for air flow increases excessive resistance, and can long time continuous working.
In the prior art, mainly judge whether air filter reaches service life using two methods：1st, by factory
Family gives a service life cycle, will be changed after air filter reaches this life cycle, and this method is mainly fitted
Unification is equipped with the household electrical appliance of this device a bit；2nd, it is standard according to air filter machine operation mileage is installed, whether estimation needs
Change, this method is suitable for some mobility machines, such as automobile.Both the above method have the shortcomings that one it is common：
Can not the more accurate replacing construction that objectively judge air filter, the service life of filter core not only with use time and machine
Work mileage has outside the Pass indirectly, mainly relevant with working environment air quality.If air filter also in usage cycles and
It is replaced, waste of resource but also environment can be not only polluted；If also being used more than usage cycles, not only influence whether
The service behaviour of machine, and oil plant also can because air supply deficiency cannot burn completely.Oil plant can not fully burn not only
Influence can be produced on the operating efficiency of machinery, can also consume more energy and pollution environment.
In addition, also there are some for detecting the device of cleaner, but all complex structures, it is limited using scope, and
And detection process is slow, it is difficult to flexibly use, the severe decrease scope of application of device.
The content of the invention
In order to solve deficiency of the prior art, the present invention provides a kind of scientific and effective, easy easy-to-use dry air filter
Clear device detection means machine detection method.
To achieve these goals, the scheme taken of the present invention is：
A kind of detection means of dry-type air cleaner filter core, including seal case, on its any one tank wall, offer one
The individual installation detection mouth for setting air cleaner cartridge to be detected；Pumping is installed on a tank wall adjacent with the tank wall
Device, the side of air extractor sets the vacuum meter for also having and measuring seal case internal air pressure.
It is described that the top that detection mouth is opened in seal case is installed；The air extractor and vacuum meter are arranged on seal case
Either side wall on.
The installation detection mouth is one, is rectangle；The air extractor is induced draft fans.
The induced draft fans are fixedly connected by the second bolt with seal case, and sealing is additionally provided with the outside of connecting portion
Circle.
The outside of the induced draft fans is also equipped with blower fan protective cover, and blower fan protective cover passes through the first bolt and induced draft fans
It is fixedly connected.
The detection means also includes the pressing plate being fixed on filter element on seal case, is offered in the middle part of pressing plate
One window, will install detection mouth and is completely exposed.
The pressing plate is square or circular slab, and the top of seal case is provided with four studs, is also opened up on pressing plate
There are four through holes, each through hole one stud of correspondence, by the cooperation of wing nut and stud, pressing plate is fixed with seal case
Connection.
The range of the vacuum meter is -0.6 to 0Mpa.
A kind of detection method of the detection means of described dry-type air cleaner filter core, comprises the following steps：
Step one, install detection mouth on fill a filter element new with filter core identical to be detected, pressing plate is pressed in filter
On clear device filter core, four through holes respectively pass through corresponding stud, a wing nut is then respectively covered on each stud and is tightened, and make filter
Clear device filter core is in close contact with seal case；
Step 2, start induced draft fans, extract the air inside seal case out, the throughput for being extracted air in seal case
More than the throughput flowed into from filter element, negative pressuren zone is internally formed in seal case, recording vacuum gauge measures seal case
Interior pressure values P1；
Step 3, be replaced by through cleaning filter element to be detected, identical test is carried out to it, measure seal case
Interior pressure values P2。
Step 4, contrast are tested the detection data for obtaining, and are calculated twice | (P2-P1)*100%/P1| result, if value it is small
In 6%, then the filter element for cleaning meets the requirement being continuing with.
Beneficial effect：Simple structure of the invention, detection method is also fairly simple, applied widely；And section can be provided
Effective testing result is learned, so as to judge whether cleaner needs to be changed, it is to avoid the cleaner super life-span uses, moreover it is possible to keep away
Exempt from the cleaner still in usage cycles to be replaced and cause to waste.
Brief description of the drawings
Fig. 1 is the structural representation of this detection means；
Fig. 2 is the half sectional view of this detection means；
Fig. 3 is window regulation plate structure schematic diagram.
Reference：1st, vacuum meter, 2, blower fan protective cover, the 3, first bolt, 4, induced draft fans, the 5, second bolt, 6, close
Seal, 7, seal case, 8, wing nut, 9, pressing plate, 10, filter element, 11, framework, 12, shelf, 13, hanging plate, 14, spiral shell
Post.
Specific embodiment
Embodiments of the present invention are illustrated below according to accompanying drawing.
Embodiment one.A kind of detection means of dry-type air cleaner filter core, including seal case 7, at it any one
On tank wall, an installation detection mouth for setting air cleaner cartridge to be detected 10 is offered；One adjacent with the tank wall
Air extractor is installed, the side of air extractor sets the vacuum for also having and measuring the internal air pressure of seal case 7 on individual tank wall
Table 1, the range of vacuum meter 1 is -0.6 to 0Mpa.
It is described that the top that detection mouth is opened in seal case 7 is installed；The air extractor and vacuum meter 1 are arranged on seal box
On the either side wall of body 7.
The installation detection mouth is one, is rectangle；The air extractor is induced draft fans 4.
The induced draft fans 4 are fixedly connected by the second bolt 5 with seal case 7, are additionally provided with the outside of connecting portion
Sealing ring 6.
The outside of the induced draft fans 4 is also equipped with blower fan protective cover 2, and blower fan protective cover 2 passes through the first bolt 3 and exhausting
Blower fan 4 is fixedly connected.
The detection means also includes the pressing plate 9 being fixed on filter element 10 on seal case 7, the middle part of pressing plate 9
A window is offered, detection mouth will be installed and be completely exposed.
The pressing plate 9 is preferably square plate, and the top of seal case 7 is provided with four studs 14, is also opened up on pressing plate 9
There are four through holes, each through hole one stud 14 of correspondence, by the cooperation of wing nut 8 and stud 14, by pressing plate 9 and seal box
Body 7 is fixedly connected.
A kind of detection method of the detection means of described dry-type air cleaner filter core, comprises the following steps：
Step one, install detection mouth on fill a filter element 10 new with filter core identical to be detected, pressing plate 9 is pressed in
On filter element 10, four through holes respectively pass through corresponding stud 14, then respectively cover a wing nut 8 simultaneously on each stud 14
Tighten, filter element 10 is in close contact with seal case 7；
Step 2, start induced draft fans 4, extract the air inside seal case 7 out, the gas for being extracted air in seal case 7
Flow is internally formed negative pressuren zone more than the throughput flowed into from filter element 10 in seal case 7, and recording vacuum gauge 1 is measured
Pressure values P in seal case 71；
Step 3, be replaced by through cleaning filter element 10 to be detected, identical test is carried out to it, measure seal box
Pressure values P in body 72。
Step 4, contrast are tested the detection data for obtaining, and are calculated twice | (P2-P1)*100%/P1| result, if value it is small
In 6%, then the filter element 10 that this was cleaned meets the requirement being continuing with.
The detailed process of test is：
One and the new filter element 10 of filter core identical to be detected are filled on detection mouth is installed first, pressing plate 9 is pressed in tested
On filter element 10, four through holes respectively pass through corresponding stud 14, then respectively cover a wing nut 8 simultaneously on each stud 14
Tighten, it is ensured that filter element 10 is in close contact with seal case 7.Then induced draft fans 4 are started, when induced draft fans 4 extract close out
During joint sealing 7 inner air of body, because other positions of seal case 7 are sealings, only the top of seal case 7 is installed detection mouth and is led to
Gas, so air can only enter seal case 7 from the filter element 10 on the top of seal case 7.Adjust the frequency of induced draft fans 4
Rate, makes the throughput that air in seal case 7 is extracted more than the throughput for flowing into, and seal case 7 is internally formed negative pressuren zone, remembers
Record vacuum meter 1 measures the pressure value in seal case 7.
The filter element 10 to be detected by cleaning is replaced by afterwards, identical test is carried out to it, in exhausting wind
In the case of the power identical of machine 4, the negative pressure value in seal case 7 is measured.By contrasting new, old filtering core device detection data,
Negative pressure difference shows that more greatly the smoothing effect of filter element 10 is poorer.According to the detection to various dry-type air cleaner filter cores
When practical situations are drawn to draw a conclusion：The difference of new, the old filter check negative pressure value of contrast, the filter core less than 6% is complete
Can be continuing with.
Embodiment two.A kind of dry-type air cleaner filter check device and its detection method as described in embodiment one and
Its detection method, also includes a window adjustable plate, is made up of several mutually nested conditioning boxes.Conditioning box includes one
Outer layer frame and several internal layer frames, each internal layer frame is by a framework 11 being rectangle and is arranged on the internal edge of framework 11
The shelf 12 of lower end is constituted；Outer layer frame also includes a framework 11 being rectangle and is arranged on the internal edge lower end of framework 11
Dividing plate 12, also include two hanging plates 13 for being arranged on the external margin upper end of framework 11 along its length.From outer layer frame to phase
Mutual several nested internal layer frames, the size and thickness of each conditioning box framework 11 are sequentially reduced, and form internal layer frame and outer layer frame
One entirety, and surfacing, constitute window adjustable plate.
When in use, window adjustable plate is arranged in installation detection mouth, and two hanging plates 13 of outer layer frame hang over installation detection
The upper edge of mouth, completes to fix.Detection process is with embodiment one.The size of detection mouth is installed by adjusting, can be applicable device
In various different models, the filter core of different size of air filter, the scope of application of expansion instrument.
Claims (9)
1. a kind of detection means of dry-type air cleaner filter core, it is characterised in that：Including seal case（7）, it is any one at its
On individual tank wall, one is offered for setting air cleaner cartridge to be detected（10）Installation detection mouth；It is adjacent with the tank wall
A tank wall on air extractor is installed, the side of air extractor is set measurement seal case（7）Internal air pressure
Vacuum meter（1）.
2. a kind of detection means of dry-type air cleaner filter core as claimed in claim 1, it is characterised in that：It is described that inspection is installed
Survey mouth and be opened in seal case（7）Top；The air extractor and vacuum meter（1）It is arranged on seal case（7）Either side
On wall.
3. a kind of detection means of dry-type air cleaner filter core as claimed in claim 1, it is characterised in that：It is described that inspection is installed
It is one to survey mouth, is rectangle；The air extractor is induced draft fans（4）.
4. a kind of detection means of dry-type air cleaner filter core as claimed in claim 3, it is characterised in that：The exhausting wind
Machine（4）By the second bolt（5）With seal case（7）It is fixedly connected, sealing ring is additionally provided with the outside of connecting portion（6）.
5. a kind of detection means of dry-type air cleaner filter core as claimed in claim 3, it is characterised in that：The exhausting wind
Machine（4）Outside be also equipped with blower fan protective cover（2）, blower fan protective cover（2）By the first bolt（3）With induced draft fans（4）Gu
Fixed connection.
6. a kind of detection means of dry-type air cleaner filter core as claimed in claim 1, it is characterised in that：The detection dress
Put filter element and also include（10）It is fixed on seal case（7）On pressing plate（9）, pressing plate（9）Middle part offer one
Window, will install detection mouth and is completely exposed.
7. the detection means of a kind of dry-type air cleaner filter core as described in claim 2 or 6, it is characterised in that：The pressure
Plate（9）It is square or circular slab, in seal case（7）Top be provided with four studs（14）, pressing plate（9）On be further opened with
Four through holes, each through hole one stud of correspondence（14）, by wing nut（8）And stud（14）Cooperation, by pressing plate（9）With
Seal case（7）It is fixedly connected.
8. a kind of detection means of dry-type air cleaner filter core as claimed in claim 1, it is characterised in that：The vacuum meter
（1）Range be -0.6 to 0Mpa.
9. a kind of detection method of the detection means of dry-type air cleaner filter core as claimed in claim 1, it is characterised in that：
Comprise the following steps：
Step one, install detection mouth on fill a filter element new with filter core identical to be detected（10）, pressing plate（9）
It is pressed in filter element（10）On, four through holes respectively pass through corresponding stud（14）, then each stud（14）Upper each one, set
Wing nut（8）And tighten, make filter element（10）With seal case（7）It is in close contact；
Step 2, startup induced draft fans（4）, extract seal case out（7）Internal air, makes seal case（7）Middle air is taken out
The throughput for going out is more than from filter element（10）The throughput of inflow, in seal case（7）Negative pressuren zone is internally formed, record is true
Empty table（1）Measure seal case（7）Interior pressure values P1；
Step 3, be replaced by through cleaning filter element to be detected（10）, identical test is carried out to it, measure sealing
Casing（7）Interior pressure values P2；
Step 4, contrast are tested the detection data for obtaining, and are calculated twice | (P2-P1)*100%/P1| result, if value be less than 6%,
The filter element that then this was cleaned（10）Meet the requirement being continuing with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218947.5A CN106679902A (en) | 2016-12-26 | 2016-12-26 | Dry-type air cleaner element detection device and dry-type air cleaner element detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218947.5A CN106679902A (en) | 2016-12-26 | 2016-12-26 | Dry-type air cleaner element detection device and dry-type air cleaner element detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106679902A true CN106679902A (en) | 2017-05-17 |
Family
ID=58870741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611218947.5A Pending CN106679902A (en) | 2016-12-26 | 2016-12-26 | Dry-type air cleaner element detection device and dry-type air cleaner element detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106679902A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655207A (en) * | 2017-10-10 | 2019-04-19 | 曼胡默尔滤清器（上海）有限公司 | It is a kind of for testing the experimental rig of filter element tightness |
| CN111579164A (en) * | 2020-04-17 | 2020-08-25 | 丽水市莲都区毅荣凯盛模具厂 | Dry-type gas tightness of car filter detects machine |
| CN111610029A (en) * | 2020-06-04 | 2020-09-01 | 无锡职业技术学院 | Automobile engine air filter blockage degree detection device |
| CN111879265A (en) * | 2020-07-29 | 2020-11-03 | 高博集团有限公司 | Filter element detection device and method for air filter |
| CN113175401A (en) * | 2021-05-14 | 2021-07-27 | 潍柴动力股份有限公司 | Method and device for judging failure of coarse filtration filter element of filter |
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| CN103852219A (en) * | 2013-03-06 | 2014-06-11 | 马勒技术投资(中国）有限公司 | Inspection method of air filter |
| CN204758236U (en) * | 2015-06-30 | 2015-11-11 | 歌尔声学股份有限公司 | Appearance leaks hunting |
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| JP5421159B2 (en) * | 2010-03-16 | 2014-02-19 | アズビル株式会社 | Filter replacement estimation apparatus, air conditioning system and method |
| US20140026643A1 (en) * | 2012-07-24 | 2014-01-30 | General Electric Company | Device for measuring impermeability of the sealing means of a filter cartridge and process thereof |
| CN103852219A (en) * | 2013-03-06 | 2014-06-11 | 马勒技术投资(中国）有限公司 | Inspection method of air filter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655207A (en) * | 2017-10-10 | 2019-04-19 | 曼胡默尔滤清器（上海）有限公司 | It is a kind of for testing the experimental rig of filter element tightness |
| CN111579164A (en) * | 2020-04-17 | 2020-08-25 | 丽水市莲都区毅荣凯盛模具厂 | Dry-type gas tightness of car filter detects machine |
| CN111610029A (en) * | 2020-06-04 | 2020-09-01 | 无锡职业技术学院 | Automobile engine air filter blockage degree detection device |
| CN111879265A (en) * | 2020-07-29 | 2020-11-03 | 高博集团有限公司 | Filter element detection device and method for air filter |
| CN111879265B (en) * | 2020-07-29 | 2022-03-22 | 高博集团有限公司 | Filter element detection device and method for air filter |
| CN113175401A (en) * | 2021-05-14 | 2021-07-27 | 潍柴动力股份有限公司 | Method and device for judging failure of coarse filtration filter element of filter |
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Application publication date: 20170517 |
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