CN102721633B - A kind of filter screen tester table - Google Patents
A kind of filter screen tester table Download PDFInfo
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- CN102721633B CN102721633B CN201110080261.5A CN201110080261A CN102721633B CN 102721633 B CN102721633 B CN 102721633B CN 201110080261 A CN201110080261 A CN 201110080261A CN 102721633 B CN102721633 B CN 102721633B
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- filter screen
- rear box
- tester table
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- front casing
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Abstract
The invention provides a kind of filter screen tester table, comprise front casing (1) and rear box (2); Described front casing (1) is for fixing filter screen to be measured (3); And described front casing (1) has air-supply arrangement (4), for blowing to filter screen to be measured (3) and rear box (2); Described rear box (2) has blower fan filtering unit (5), for filtering air in rear box (2); Described rear box (2) has pushing mechanism (6) further, forward for promoting rear box (2) moves thus seals filter screen to be measured (3) in casing (1) direction.Filter screen tester table of the present invention improves the sealing of filter screen test, improves the air-supply of front casing, and ensure that the cleanliness factor of rear box.Effectively reduce filter screen and test the human cost spent, improve the accuracy of filter screen test, structure is simple, takes up room little, Circuits System energy-saving safe, and it is convenient to control.
Description
Technical field
The present invention relates to air dust-free purification technology, more specifically, relating to a kind of filter screen tester table for testing air filter screen.
Background technology
In the industry that some is higher to environmental requirement, such as semiconductor, photoelectron, medicine etc., usually need to adopt air cleaning unit to carry out air filtration, remove the impurity such as the dust suspended, make air purity reach requirement, avoid dust to cause adverse effect to production.
Existing air cleaning unit is mainly filtering type, and critical component is its screen pack.Air cleaning unit utilizes the impurity in screen pack filtering air, thus reaches the effect purified air.Can air cleaning unit meet environmental requirement, and wherein most is decided by the efficiency of screen pack.Thus, in order to ensure the quality of air cleaning unit, need to carry out strict test to screen pack wherein before dispatching from the factory.
Fig. 6 is the principle schematic of screen pack method of testing.Wherein F is tested filter screen, air is made to arrive B side from A side with predetermined wind speed by tested filter screen F, particulate C wherein containing a certain size (as 0.3 micron to 10 microns) in air, by detecting the fraction of particle of A side and B side, calculated filter screen, to the filtration efficiency of particulate C, judges whether to meet environmental requirement.
In the test of screen pack, in order to ensure the accurate of test result, all effectively even of A Lateral supply to be ensured on the one hand, requiring that the original air in B side meets purity requirements on the other hand, require the sealing of tested filter screen F simultaneously, to prevent the external world, test is impacted.
But, although there is the testing standard of screen pack in prior art, lack regular method of testing and reliable testing apparatus.Existing filter screen testing apparatus ubiquity air-supply efficiency is low, wind speed is unstable, the airtight problem such as not tight of filter screen, the directly accuracy tested of impact.Because screen pack does not pass through tight test, cause part air clearing product in market not reach environmental requirement, user is caused damage.
Summary of the invention
For above-mentioned defect of the prior art, the invention provides a kind of filter screen tester table, with an improved the above-mentioned defect of existing filter screen testing apparatus, improve the accuracy of filter screen test, saved test manpower and cost.
Filter screen tester table of the present invention, is characterized in that, comprises front casing (1) and rear box (2); Described front casing (1) is for fixing filter screen to be measured (3); And described front casing (1) has air-supply arrangement (4), for blowing to filter screen to be measured (3) and rear box (2); Described rear box (2) has blower fan filtering unit (5), for filtering air in rear box (2); Described rear box (2) has pushing mechanism (6) further, forward for promoting rear box (2) moves thus seals filter screen to be measured (3) in casing (1) direction.
Preferably, described air-supply arrangement (4) has the variable valve (41) of adjustable air-supply wind speed and pressure size.
Preferably, described pushing mechanism (6) is pneumatic system; Further preferably, described pneumatic system comprises source of the gas (61), retaining valve (62), dyad (63), the first and second solenoid directional control valves (64a, 64b), the first and second throttling valve (65a, 65b) and the first and second cylinders (66a, 66b).Wherein, described dyad (63) comprises air reducing valve and oil sprayer, increases lubricating oil for filtering compressed air.
Preferably, described filter screen tester table also comprises rail plate (7), and described front casing (1) is fixed on rail plate (7), and described rear box (2) has the castor (8) that can slide along rail plate (7).
Preferably, described front casing (1) also has electric cabinet (9).
Preferably; described filter screen tester table also comprises pressure fan Circuits System (10); described Circuits System (10) comprises power supply (101); short circuit, overload and under-voltage are performed to the air switch (102) of power-off protection; A.C. contactor (103); thermal overload relay (104), and electric-control system (105).Further preferably, described electric-control system (105) connects described power supply (101) by fuse (Fu1, Fu2).
In filter screen test, filter screen tester table of the present invention promotes to make front casing and rear box airtight by cylinder, thus makes filter screen to be measured be in sealing state when test; Front casing has fixing effective air-supply arrangement, and can regulate air-supply wind speed and pressure, realizes uniform and stable air-supply; Rear box reaches cleaner environment by blower fan filtering unit, ensure that lustration class; Electric-control system achieves automatically and Non-follow control testing process.
Filter screen tester table of the present invention effectively reduces filter screen and tests the human cost spent, and improves the accuracy of filter screen test, and structure is simple, takes up room little, Circuits System energy-saving safe, and it is convenient to control.The present invention has filled up domestic and international technological gap, significant to air cleaning facility industry development.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the filter screen tester table of the embodiment of the present invention;
Fig. 2 is the air-supply arrangement structural representation of the filter screen tester table of the embodiment of the present invention;
Fig. 3 A-B is the pneumatic system structural representation of the filter screen tester table of the embodiment of the present invention;
Fig. 4 is the pressure fan circuit system structure schematic diagram of the filter screen tester table of the embodiment of the present invention;
Fig. 5 is the electrical control system structure schematic diagram of the filter screen tester table of the embodiment of the present invention;
Fig. 6 is the principle schematic of screen pack method of testing.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Fig. 1 is the one-piece construction schematic diagram of filter screen tester table.As shown in Figure 1, described filter screen tester table is seen on the whole and is divided into two large divisions, casing 1 and rear box 2 namely, and described front casing 1 is for fixing filter screen 3 to be measured.The principle of filter screen test makes air the past casing 1 enter rear box 2 by filter screen 3 to be measured, can ensure the purifying property of filter screen 3 when the clean level of air reaches requirement in casing 2.Therefore, before requiring, casing 1 can realize fixing air-supply uniformly and effectively, such as, make air with the even wind speed of 1 meter per second by filter screen 3 to be measured.Rear box 2 needs to have cleaner original environment.Further, when test is carried out, front casing 1 and rear box 2 must match and reach airtight, thus filter screen 3 to be measured is sealed, and avoid outer bound pair filter screen to test and produce interference.For this reason, need front casing 1 is fixed and rear box 2 is moved, coordinate the sealing to filter screen 3 to be measured.
Front casing 1 has fixing air-supply arrangement 4, and centrifugal fan 11 is for blowing to filter screen 3 to be measured and rear box 2.Fig. 2 is the air-supply arrangement structural representation of filter screen tester table.Shown in Fig. 2, before connecting, the control centrifugal fan 11 of casing 1 is blown by air-supply arrangement 4, air-supply arrangement 4 has variable valve 41, can regulate air-supply wind speed (such as 1 meter per second) and pressure size (such as 120pa), still ensures to continue and effectively blow to rear box simultaneously.
As shown in Figure 1, described rear box 2 has blower fan filtering unit 5, for ensureing the cleanliness factor of air in rear box 2.Motor and impeller are housed in blower fan filtering unit 5, and air intake casing is carried out filtering then arrival casing 2 by high efficiency particulate air filter by motor driving impeller, thus reaches clean requirement, improves accuracy in detection.
In order to realize the fitted seal of front and back casing, see Fig. 1, described rear box 2 has pushing mechanism 6 further.Filter screen tester table comprises rail plate 7, and described front casing 1 is fixed on rail plate 7, and described rear box 2 has the castor 8 slided along rail plate 7.Under the effect of pushing mechanism 6, rear box 2, along guide rail forward slip, until airtight with front casing 1, thus seals filter screen 3 to be measured.
In order to realize the movement of rear box 2, require that the right and left to rear box 2 applies the power of balance.Owing to having sufficient source of the gas at the board in test that ventilates, according to this field condition, pushing mechanism 6 can adopt pneumatic system.See the pneumatic system structural representation of Fig. 3 A, described pneumatic system comprises source of the gas 61, retaining valve 62, dyad 63, first and second solenoid directional control valve 64a, 64b, first and second throttling valve 65a, 65b and first and second cylinder 66a, 66b.First source of the gas 61 arrives dyad 63 by retaining valve 62.Dyad 63 comprises air reducing valve and oil sprayer, and playing the effect pressurized air of source of the gas 61 being carried out to filtration, purification process and increase lubricating oil, is indispensable compressed air source unit in pneumatic system.Pressurized air and then by first and second solenoid directional control valve 64a, 64b, first and second solenoid directional control valve 64a, 64b by operation energising and power-off the compressed air stream piston promoted in first and second cylinder 66a, 66b is moved thus make piston rod promote rear box 2 move back and forth, wherein solenoid directional control valve 64a, 64b two cavity air inlets number by first and second throttling valve 65a, 65b control.Fig. 3 B is the pneumatic system structural representation of the filter screen tester table of the embodiment of the present invention, can see the position of first and second cylinder 66a, 66b from Fig. 3 B.
As can see from Figure 1, described front casing 1 also has electric cabinet 9.Electric cabinet 9 has necessary pilot lamp and switch, control filter screen test process with handled easily personnel automatic or manual.
Fig. 4 is the pressure fan circuit system structure schematic diagram of the filter screen tester table of the embodiment of the present invention.As shown in Figure 4, pressure fan Circuits System 10 comprises power supply 101, for powering to all parts of whole filter screen tester table, can adopt 380V3 phase 50HZ power supply.Power supply 101 arrives A.C. contactor 103 and thermal overload relay 104 by air switch 102, and runs well for the centrifugal blower 11 of casing before tester table, wherein has two electricity to run well for the blower fan in blower fan filtering unit 5.Air switch 102 pairs of short circuits, overload and under-voltages perform power-off protection.A.C. contactor 103 is for the switch as centrifugal fan 11 in front casing 1, and thermal overload relay 104 prevents blower fan overheated.Circuits System 10 also comprises electric-control system 105.Described electric-control system 105 connects described power supply 101 by fuse Fu1, Fu2.
Fig. 5 is the electrical control system structure schematic diagram of the filter screen tester table of the embodiment of the present invention.As shown in Figure 5, described electric-control system 105 is by fuse Fu1, Fu2 connects 220V power supply, comprise the switch S 1 for controlling FFU above described rear box 2, the centrifugal blower that switch S 2 controls to blow for front casing 1 by KM1 is opened, switch S 3 is carried out case control by auxiliary reclay KA1 and is also controlled the first solenoid directional control valve 1SR break-make of pneumatic system simultaneously and control the KA1-1a of the second solenoid directional control valve 2SR break-make, and above switch all adopts rocker switch.By above Circuits System 10, achieve the energy-saving safe running of board, and can automatically be controlled by electric-control system 105.
Filter screen tester table of the present invention effectively reduces filter screen and tests the human cost spent, and improves the accuracy of filter screen test, and structure is simple, takes up room little, Circuits System energy-saving safe, and it is convenient to control.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a filter screen tester table, is characterized in that, comprises front casing (1) and rear box (2); Described front casing (1) is for fixing filter screen to be measured (3); And described front casing (1) has air-supply arrangement (4), for blowing to filter screen to be measured (3) and rear box (2); Described rear box (2) has blower fan filtering unit (5), for filtering air in rear box (2); Described rear box (2) has pushing mechanism (6) further, forward for promoting rear box (2) moves thus seals filter screen to be measured (3) in casing (1) direction.
2. filter screen tester table according to claim 1, is characterized in that, described air-supply arrangement (4) has the variable valve (41) of adjustable air-supply wind speed and pressure size.
3. filter screen tester table according to claim 1, is characterized in that, described pushing mechanism (6) is pneumatic system.
4. filter screen tester table according to claim 3, it is characterized in that, described pneumatic system comprises source of the gas (61), retaining valve (62), dyad (63), the first and second solenoid directional control valves (64a, 64b), the first and second throttling valve (65a, 65b) and the first and second cylinders (66a, 66b).
5. filter screen tester table according to claim 4, is characterized in that, described dyad (63) comprises air reducing valve and oil sprayer.
6. filter screen tester table according to claim 1, it is characterized in that, described filter screen tester table also comprises rail plate (7), and described front casing (1) is fixed on rail plate (7), and described rear box (2) has the castor (8) that can slide along rail plate (7).
7. filter screen tester table according to claim 1, is characterized in that, described front casing (1) also has electric cabinet (9).
8. filter screen tester table according to claim 1; it is characterized in that; described filter screen tester table also comprises pressure fan Circuits System (10); described pressure fan Circuits System (10) comprises power supply (101); short circuit, overload and under-voltage are performed to the air switch (102) of power-off protection; A.C. contactor (103), thermal overload relay (104), and electric-control system (105).
9. filter screen tester table according to claim 8, is characterized in that, described electric-control system (105) connects described power supply (101) by fuse (Fu1, Fu2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080261.5A CN102721633B (en) | 2011-03-31 | 2011-03-31 | A kind of filter screen tester table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080261.5A CN102721633B (en) | 2011-03-31 | 2011-03-31 | A kind of filter screen tester table |
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| Publication Number | Publication Date |
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| CN102721633A CN102721633A (en) | 2012-10-10 |
| CN102721633B true CN102721633B (en) | 2016-03-23 |
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| CN201110080261.5A Active CN102721633B (en) | 2011-03-31 | 2011-03-31 | A kind of filter screen tester table |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792171B (en) * | 2013-12-06 | 2016-04-20 | 山东大学 | PM is evaluated in a kind of real atmosphere environment 2.5the device of mask filtration efficiency |
| TWI537040B (en) * | 2014-11-27 | 2016-06-11 | 財團法人紡織產業綜合研究所 | Lateral filter detecting system |
| CN107036952A (en) * | 2017-03-20 | 2017-08-11 | 安徽人和环境科技股份有限公司 | A kind of detection method of fan filter screen unit |
| CN107976394A (en) * | 2017-11-28 | 2018-05-01 | 芜湖蓝博塑胶有限公司 | Automobile air-conditioning filter screen detection device |
| CN112577873B (en) * | 2020-11-06 | 2023-02-10 | 上海鲁玟科学仪器有限公司 | Filter core bubbling test device |
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| CN100504590C (en) * | 2006-02-13 | 2009-06-24 | 明基电通股份有限公司 | Testing device and method for filter network state and projector possessing the device |
| CN101639413A (en) * | 2008-12-23 | 2010-02-03 | 上海德尔福汽车空调***有限公司 | Method for testing filtration capacity of filter screen in liquid trap of vehicle air conditioning system |
| CN101738362A (en) * | 2008-11-26 | 2010-06-16 | 卡夫里昂有限责任公司 | Device and method for confirming separation degree in filtering device and/or performing sealing test |
| CN101995372A (en) * | 2010-10-19 | 2011-03-30 | 北京市劳动保护科学研究所 | Air filtering material tester |
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| CN1908623B (en) * | 2005-08-02 | 2010-05-05 | 德菲电气（北京）有限公司 | Multi-component infrared online gas analyzer |
| CN201378164Y (en) * | 2009-04-21 | 2010-01-06 | 北京科技大学 | Gas automatically collecting and analyzing device |
| CN201555839U (en) * | 2009-11-24 | 2010-08-18 | 沈阳化工学院 | Large-size environmental test chamber |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100504590C (en) * | 2006-02-13 | 2009-06-24 | 明基电通股份有限公司 | Testing device and method for filter network state and projector possessing the device |
| CN101738362A (en) * | 2008-11-26 | 2010-06-16 | 卡夫里昂有限责任公司 | Device and method for confirming separation degree in filtering device and/or performing sealing test |
| CN101639413A (en) * | 2008-12-23 | 2010-02-03 | 上海德尔福汽车空调***有限公司 | Method for testing filtration capacity of filter screen in liquid trap of vehicle air conditioning system |
| CN101995372A (en) * | 2010-10-19 | 2011-03-30 | 北京市劳动保护科学研究所 | Air filtering material tester |
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Address after: 215331 Jinyang East Road, Hefeng Development Zone, Suzhou, Jiangsu, No. 68, China Patentee after: Jiangsu Futai purifying Polytron Technologies Inc Address before: 215331 Jinyang East Road, Hefeng Development Zone, Suzhou, Jiangsu, No. 68, China Patentee before: Futai Clean Tech (Kunshan) Co., Ltd. |