CN109682625A - A kind of stable air purifier test equipment - Google Patents
A kind of stable air purifier test equipment Download PDFInfo
- Publication number
- CN109682625A CN109682625A CN201811604070.2A CN201811604070A CN109682625A CN 109682625 A CN109682625 A CN 109682625A CN 201811604070 A CN201811604070 A CN 201811604070A CN 109682625 A CN109682625 A CN 109682625A
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- air
- torus
- buffer unit
- chamber
- test equipment
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- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 239000000428 dust Substances 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to air purifier test macro technical fields, and in particular to a kind of stable air purifier test equipment；It includes hair dirt device, buffer unit, circulator and test chamber；Dirt device is sent out to be used to inject manmade dust to buffer unit；The stirring mechanism for tentatively being dispersed manmade dust is equipped in buffer unit；Circulator is equipped with torus, air inlet hole, air-out passage and return air channel；Blower is equipped in torus；Air inlet hole is set between buffer unit and torus；Air-out passage is set between torus and test chamber；Return air channel is set between torus and test chamber；Return air channel is set to the position of face blower.The present invention can carry out preliminary decentralized processing to manmade dust by setting buffer unit, use dirt better effect；By the way that circulator is arranged between buffer unit and test chamber, gas body-internal-circulation is formed in equipment, is influenced by the external world small, stable test environment can be provided for test chamber, guarantee the accuracy of test result.
Description
Technical field
The present invention relates to air purifier test macro technical fields, and in particular to a kind of stable air purifier test
Equipment.
Background technique
Air purifier test chamber can simulate the indoor environment being contaminated, and test air cleaning facility, be
A kind of important tool of detection and research air clearing product performance；But traditional air purifier test chamber is influenced by the external world
Greatly, stable test environment can not be provided for test chamber, the evaluation to air purifier performance is caused to have large error.
Summary of the invention
It is an object of the invention to overcome disadvantages described above, provides a kind of stable air purifier test and set
Standby, which can use dirt better effect by the way that buffer unit is arranged, by being arranged between buffer unit and test chamber
Circulator forms gas body-internal-circulation in equipment, is influenced by the external world small, stable test environment can be provided for test chamber, guarantor
Demonstrate,prove the accuracy of test result.
To achieve the above object, concrete scheme of the invention is as follows: a kind of stable air purifier test equipment, including
Send out dirt device, buffer unit, circulator and test chamber；The hair dirt device is used for artificial to buffer unit injection
Dirt；The stirring mechanism for tentatively being dispersed manmade dust is equipped in the buffer unit；The circulator be equipped with torus, into
Air holes, air-out passage and return air channel；Blower is equipped in the torus；The air inlet hole be set to the buffer unit with it is described
Between torus；The air-out passage is set between the torus and the test chamber；The return air channel is set to described follow
Between ring cavity and the test chamber；The return air channel and blower face are arranged.
The present invention is further arranged to, and the stirring mechanism includes partition and for making the partition in buffer unit
The actuator of movement；The buffer unit is divided into first chamber and second chamber by the partition；The circulator is also set
There is the balance channel for equilibrium air pressure；The air inlet hole is set between the first chamber and the torus；The balance
Channel is set between the second chamber and the torus.
The present invention is further arranged to, and the actuator includes the motor of rotation axis and the driving rotation axis rotation；
One end of the partition is connect with the shaft.
The present invention is further arranged to, and filtering module is equipped in the balance channel.
The present invention is further arranged to, and passageway is equipped between the balance channel and the torus；The passageway is set to
Between the return air channel and air inlet hole.
The present invention is further arranged to, and the stable air purifier test equipment further includes Installation cabinet；The installation
Cabinet includes left cabinet body and right cabinet body arranged side by side；The balance channel is set in the left cabinet body；The torus, air inlet
Hole, air-out passage and return air channel are set in the right cabinet body.
The present invention is further arranged to, and the air inlet hole is set to around the air-out passage；The return air channel is set to
The lower section of the air-out passage and air inlet hole.
The present invention is further arranged to, and cabinet door, automatically controlled storehouse and storage magazine are additionally provided in the left cabinet body；The automatically controlled storehouse
It is electrically connected with the actuator；The automatically controlled storehouse, storage magazine and balance channel are from top to bottom set gradually.
The present invention is further arranged to, and the hair dirt device includes hair dirt mouth, dust tube, the cartridge clip for placing dust tube
And the manipulator for dust tube to be moved to hair dirt mouth.
The beneficial effects of the present invention are: by setting buffer unit preliminary decentralized processing can be carried out to manmade dust, dirt is used
Better effect；By the way that circulator is arranged between buffer unit and test chamber, gas body-internal-circulation is formed in equipment, by the external world
It influences small, stable test environment can be provided for test chamber, guarantee the accuracy of test result.
Detailed description of the invention
Invention is described further using attached drawing, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to the following drawings
Its attached drawing.
Fig. 1 is schematic diagram of internal structure of the invention.
Fig. 2 is the structural schematic diagram after the hiding test chamber of the present invention.
Fig. 3 is the schematic diagram of internal structure of buffer unit of the present invention.
Fig. 4 is the structural schematic diagram of the right cabinet body of the present invention.
Fig. 5 is the schematic diagram of internal structure of the right cabinet body of the present invention.
Fig. 6 is the structural schematic diagram of present invention hair dirt device.
Wherein: 1- sends out dirt device；2- test chamber；31- motor；32- partition；33- rotation axis；41- torus；42- air inlet
Hole；43- air-out passage；44- return air channel；45- blower；46- balance channel；47- filtering module；The passageway 8-；5- buffer unit；
51- first chamber；52- second chamber；The left cabinet body of 61-；The right cabinet body of 62-；The automatically controlled storehouse 63-；64- stores up magazine；71- sends out dirt mouth；72-
Dust tube；73- cartridge clip；74- manipulator.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, is not reality of the invention
It applies range and is confined to this.
As shown in figures 1 to 6, a kind of stable air purifier test equipment described in the present embodiment, including hair dirt device 1,
Buffer unit 5, circulator and test chamber 2；The hair dirt device 1 is used to inject manmade dust to the buffer unit 5；It is described
The stirring mechanism for tentatively being dispersed manmade dust is equipped in buffer unit 5；The circulator is equipped with torus 41, air inlet hole
42, air-out passage 43 and return air channel 44；Blower 45 is equipped in the torus 41；The air inlet hole 42 is filled set on the buffering
It sets between 5 and the torus 41；The air-out passage 43 is set between the torus 41 and the test chamber 2；Described time
Wind channel 44 is set between the torus 41 and the test chamber 2；The return air channel 44 is arranged with 45 face of blower.
It sends out dirt device 1 to be used to simulate certain dust atmosphere and issue the device of dust, the part is equipped with certain mesh number
Standard dust particle sources, dust particle has manmade dust in source, can tentatively be dispersed to manmade dust by the way that buffer unit 5 is arranged
Processing, uses dirt better effect；By the way that circulator is arranged between buffer unit 5 and test chamber 2, so that 5 He of buffer unit
Between test chamber 2 formed a recyclable gas passage circuit, influenced by the external world it is small, can be test chamber 2 stable survey be provided
Test ring border guarantees the accuracy of test result.Specifically, the manmade dust issued through hair dirt device 1 enters in buffer unit 5,
Tentatively dispersed through stirring mechanism, is then entered in torus 41 by air inlet hole 42；It is carried out under the effect of blower 45 secondary
Dispersion, then enters in test chamber 2 through air-out passage 43；Part enters the gas in test chamber 2, then the effect in blower 45
Under, it comes back to and enters in torus 41 via return air channel 44, so that the gas in test chamber 2 remains active state；
And then the air in test chamber 2 forms a recyclable gas passage circuit under the action of circulator；In addition, passing through control
The movement rate and 45 revolving speed of blower of stirring mechanism processed can achieve the artificial dust content adjusted in test chamber 2.
As shown in figures 1 to 6, a kind of stable air purifier test equipment, the stirring mechanism packet described in the present embodiment
Include partition 32 and the actuator for moving the partition 32 in buffer unit 5；The partition 32 fills the buffering
It sets 5 and is divided into first chamber 51 and second chamber 52；The circulator is additionally provided with the balance channel 46 for equilibrium air pressure；Institute
Air inlet hole 42 is stated to be set between the first chamber 51 and the torus 41；The balance channel 46 is set to the second chamber
Between 52 and the torus 41.
Specifically, moving back and forth by partition 32, improves manmade dust in the dispersion effect of buffer unit 5, while may be used also
Will drive in torus 41 in the gas of first chamber 51 by air inlet hole 42, the dispersion effect of manmade dust is further increased；
The portion gas of torus 41 is entered, can be re-introduced into second chamber 52 via balance channel 46；Balance channel 46
The balance for guaranteeing the air pressure in first chamber 51 and second chamber 52 in 32 motion process of partition is set, prevents second chamber 52 from going out
Existing negative pressure；In addition, can control the frequency of the movement of partition 32, to control into first chamber by the output of control actuator
The quantity of 51 manmade dust.
As shown in figures 1 to 6, a kind of stable air purifier test equipment, the actuator described in the present embodiment include
The motor 31 that rotation axis 33 and the driving rotation axis 33 rotate；One end of the partition 32 is connect with the shaft.Specifically
Ground, motor 31 swing with dynamic dividing plate 32 in buffer unit 5, obtain optimal manmade dust dispersion effect.
As shown in Fig. 2, a kind of stable air purifier test equipment described in the present embodiment, in the balance channel 46
Equipped with filtering module 47.For guaranteeing the cleanliness into the air of second chamber 52.
As shown in Figure 2 and Figure 5, a kind of stable air purifier test equipment described in the present embodiment, the balance are logical
Passageway 8 is equipped between road 46 and the torus 41；The passageway 8 is set between the return air channel 44 and air inlet hole 42.Tool
Body, the volume in passageway 8 is less than the volume of balance channel 46, and the gas be conducive in torus 41 carries out twice dispersing.
As in Figure 2-4, a kind of stable air purifier test equipment, the stable air described in the present embodiment
Clarifier test equipment further includes Installation cabinet；The Installation cabinet includes left cabinet body 61 and right cabinet body 62 arranged side by side；It is described flat
Channel 46 weigh in the left cabinet body 61；The torus 41, air inlet hole 42, air-out passage 43 and return air channel 44 are set to
In the right cabinet body 62.By setting Installation cabinet, the position of air inlet hole 42, air-out passage 43 and return air channel 44 is rationally set,
While guaranteeing manmade dust dispersion effect, so that whole device structure is compact, occupied area is smaller.
As shown in figures 1 to 6, a kind of stable air purifier test equipment, the air inlet hole 42 described in the present embodiment are set
Around the air-out passage 43；The return air channel 44 is set to the lower section of the air-out passage 43 and air inlet hole 42.With
In the better twice dispersing effect of acquisition.
As shown in Fig. 2, a kind of stable air purifier test equipment described in the present embodiment, the left cabinet body 61 is interior also
Equipped with cabinet door (not shown), automatically controlled storehouse 63 and storage magazine 64；The automatically controlled storehouse 63 is electrically connected with the actuator；It is described automatically controlled
Storehouse 63, storage magazine 64 and balance channel 46 are from top to bottom set gradually.Specifically, storage magazine 64 is for storing in hair dirt device 1
The cartridge clip 73 for needing to use, it is compact-sized by the way that automatically controlled storehouse 63 and storage magazine 64 is arranged, it is easy to use.
As shown in figs. 1,2 and 6, a kind of stable air purifier test equipment, the hair described in the present embodiment
Dirt device 1 includes hair dirt mouth 71, dust tube 72, the cartridge clip 73 for placing dust tube 72 and for dust tube 72 to be moved to
Send out the manipulator 74 of dirt mouth 71.The dust tube 72 is provided with manmade dust, and manipulator 74 is used for the dust tube 72 in cartridge clip 73
It takes out, and moves dust tube 72 on tri- directions X, Y, Z, until reaching hair dirt mouth 71；Dirt device 1 is sent out to be used for certainly
Dirt is sent out automatically in trend buffer unit 5.
The above is only a preferred embodiment of the invention, therefore all according to structure described in present patent application range
It makes, the equivalent change or modification that feature and principle are done, in the protection scope of present patent application.
Claims (9)
1. a kind of stable air purifier test equipment, it is characterised in that: including hair dirt device (1), buffer unit (5), follow
Loop device and test chamber (2)；The hair dirt device (1) is used to inject manmade dust to the buffer unit (5)；
The stirring mechanism for tentatively being dispersed manmade dust is equipped in the buffer unit (5)；
The circulator is equipped with torus (41), air inlet hole (42), air-out passage (43) and return air channel (44)；
Blower (45) are equipped in the torus (41)；The air inlet hole (42) is set to the buffer unit (5) and the circulation
Between chamber (41)；The air-out passage (43) is set between the torus (41) and the test chamber (2)；The return air channel
(44) it is set between the torus (41) and the test chamber (2)；The return air channel (44) and blower (45) face are arranged.
2. a kind of stable air purifier test equipment according to claim 1, it is characterised in that: the stirring mechanism
Actuator including partition (32) and for moving the partition (32) in buffer unit (5)；
The buffer unit (5) is divided into first chamber (51) and second chamber (52) by the partition (32)；
The circulator is additionally provided with the balance channel (46) for equilibrium air pressure；
The air inlet hole (42) is set between the first chamber (51) and the torus (41)；The balance channel (46) sets
Between the second chamber (52) and the torus (41).
3. a kind of stable air purifier test equipment according to claim 2, it is characterised in that: the actuator packet
Include the motor (31) of rotation axis (33) and driving rotation axis (33) rotation；One end of the partition (32) and the shaft
Connection.
4. a kind of stable air purifier test equipment according to claim 2, it is characterised in that: the balance channel
(46) filtering module (47) are equipped in.
5. a kind of stable air purifier test equipment according to claim 2, it is characterised in that: the balance channel
(46) passageway (8) are equipped between the torus (41)；The passageway (8) be set to the blower (45) and air inlet hole (42) it
Between.
6. a kind of stable air purifier test equipment according to claim 2, it is characterised in that: the stable sky
Gas purifier test equipment further includes Installation cabinet；The Installation cabinet includes left cabinet body (61) and right cabinet body (62) arranged side by side；
The balance channel (46) is set in the left cabinet body (61)；The torus (41), air inlet hole (42), air-out passage
(43) it is set in the right cabinet body (62) with return air channel (44).
7. a kind of stable air purifier test equipment according to claim 6, it is characterised in that: the air inlet hole
(42) it is set to around the air-out passage (43)；The return air channel (44) is set to the air-out passage (43) and air inlet hole
(42) lower section.
8. a kind of stable air purifier test equipment according to claim 6, it is characterised in that: the left cabinet body
(61) cabinet door, automatically controlled storehouse (63) and storage magazine (64) are additionally provided in；The automatically controlled storehouse (63) is electrically connected with the actuator；Institute
Automatically controlled storehouse (63), storage magazine (64) and balance channel (46) is stated from top to bottom to set gradually.
9. a kind of stable air purifier test equipment according to claim 1, it is characterised in that: the hair dirt device
It (1) include sending out dirt mouth (71), dust tube (72), the cartridge clip (73) for placing dust tube (72) and being used for dust tube (72)
It is moved to the manipulator (74) of hair dirt mouth (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811604070.2A CN109682625A (en) | 2018-12-26 | 2018-12-26 | A kind of stable air purifier test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811604070.2A CN109682625A (en) | 2018-12-26 | 2018-12-26 | A kind of stable air purifier test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109682625A true CN109682625A (en) | 2019-04-26 |
Family
ID=66189788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811604070.2A Pending CN109682625A (en) | 2018-12-26 | 2018-12-26 | A kind of stable air purifier test equipment |
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| CN (1) | CN109682625A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201171966Y (en) * | 2008-04-10 | 2008-12-31 | 杭州电子科技大学 | Quantification dust generating device |
| CN101566531A (en) * | 2009-05-14 | 2009-10-28 | 中国建筑科学研究院 | Environment test cabin and method for obtaining test environment by applying same |
| CN102590447A (en) * | 2012-01-12 | 2012-07-18 | 上海信孚环保技术工程有限公司 | Method and equipment for calibrating dust-measuring instrument |
| CN102854087A (en) * | 2012-09-06 | 2013-01-02 | 同济大学 | Air filtration material test bench |
| CN102928235A (en) * | 2012-11-12 | 2013-02-13 | 东莞市升微机电设备科技有限公司 | Finished automobile volatile organic compound (VOC) test cabin circulation air channel structure |
| WO2013065407A1 (en) * | 2011-11-01 | 2013-05-10 | 新東工業株式会社 | Dust collection device and method for detecting fire in dust collection device |
| CN103499512A (en) * | 2013-09-23 | 2014-01-08 | 同济大学 | Air-pressure-adjustable performance testing device for air filtering material and application thereof |
| CN203587372U (en) * | 2013-12-07 | 2014-05-07 | 河南省建筑科学研究院有限公司 | Environment test cabin used for testing purifying performance of indoor air purifying assembly |
| CN204269394U (en) * | 2014-12-16 | 2015-04-15 | 张东东 | A kind of air purifier environment simulation test device |
| CN107389515A (en) * | 2017-07-07 | 2017-11-24 | 深圳市建筑科学研究院股份有限公司 | Particulate matter sensors are demarcated and working characteristics parametric measurement device |
| CN207478370U (en) * | 2017-10-19 | 2018-06-12 | 华能山东石岛湾核电有限公司 | The hair dirt device uniformly dispersed for high temperature gas cooled reactor micron order dust |
| CN209542118U (en) * | 2018-12-26 | 2019-10-25 | 东莞市宇洁新材料有限公司 | A kind of stable air purifier test equipment |
-
2018
- 2018-12-26 CN CN201811604070.2A patent/CN109682625A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201171966Y (en) * | 2008-04-10 | 2008-12-31 | 杭州电子科技大学 | Quantification dust generating device |
| CN101566531A (en) * | 2009-05-14 | 2009-10-28 | 中国建筑科学研究院 | Environment test cabin and method for obtaining test environment by applying same |
| WO2013065407A1 (en) * | 2011-11-01 | 2013-05-10 | 新東工業株式会社 | Dust collection device and method for detecting fire in dust collection device |
| CN102590447A (en) * | 2012-01-12 | 2012-07-18 | 上海信孚环保技术工程有限公司 | Method and equipment for calibrating dust-measuring instrument |
| CN102854087A (en) * | 2012-09-06 | 2013-01-02 | 同济大学 | Air filtration material test bench |
| CN102928235A (en) * | 2012-11-12 | 2013-02-13 | 东莞市升微机电设备科技有限公司 | Finished automobile volatile organic compound (VOC) test cabin circulation air channel structure |
| CN103499512A (en) * | 2013-09-23 | 2014-01-08 | 同济大学 | Air-pressure-adjustable performance testing device for air filtering material and application thereof |
| CN203587372U (en) * | 2013-12-07 | 2014-05-07 | 河南省建筑科学研究院有限公司 | Environment test cabin used for testing purifying performance of indoor air purifying assembly |
| CN204269394U (en) * | 2014-12-16 | 2015-04-15 | 张东东 | A kind of air purifier environment simulation test device |
| CN107389515A (en) * | 2017-07-07 | 2017-11-24 | 深圳市建筑科学研究院股份有限公司 | Particulate matter sensors are demarcated and working characteristics parametric measurement device |
| CN207478370U (en) * | 2017-10-19 | 2018-06-12 | 华能山东石岛湾核电有限公司 | The hair dirt device uniformly dispersed for high temperature gas cooled reactor micron order dust |
| CN209542118U (en) * | 2018-12-26 | 2019-10-25 | 东莞市宇洁新材料有限公司 | A kind of stable air purifier test equipment |
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Address after: Jiangning District of Nanjing City, Jiangsu province 211100 streets moling Road No. 12 mo Zhou Applicant after: Nanjing Yujie Environmental System Technology Co.,Ltd. Address before: 523000 second industrial zone, Tu Tang Village, Changping Town, Dongguan, Guangdong Applicant before: DONGGUAN UNICLEAR NEW-MATERIAL Co.,Ltd. |
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Country or region after: China Address after: 211100 No. 12, Mazhou East Road, Mau Ling Street, Jiangning District, Nanjing, Jiangsu Applicant after: Nanjing Tengya Equipment Co.,Ltd. Address before: 211100 No. 12, Mazhou East Road, Mau Ling Street, Jiangning District, Nanjing, Jiangsu Applicant before: Nanjing Yujie Environmental System Technology Co.,Ltd. Country or region before: China |