CN106925043A - A kind of automobile air-conditioning filter filter core - Google Patents
A kind of automobile air-conditioning filter filter core Download PDFInfo
- Publication number
- CN106925043A CN106925043A CN201710345267.8A CN201710345267A CN106925043A CN 106925043 A CN106925043 A CN 106925043A CN 201710345267 A CN201710345267 A CN 201710345267A CN 106925043 A CN106925043 A CN 106925043A
- Authority
- CN
- China
- Prior art keywords
- filter
- core
- outer ring
- fixed
- filtration core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 46
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0038—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions with means for influencing the odor, e.g. deodorizing substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H3/0608—Filter arrangements in the air stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/50—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for air conditioning
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of automobile air-conditioning filter filter core,Including filter,Filtration core and holding outer ring,The holding outer ring is internally provided with groove,The groove is provided with six altogether,And center line of six grooves on holding outer ring is symmetric,And the center of groove is plugged with plush copper,The plush copper is fixedly connected with filter,The filter is provided with two altogether,And two filters are distributed in the upper and lower ends for keeping outer ring,Filtration core is provided with below the fixed plate,The two ends of the filtration core are fixed on the upper table wall of filter by adhesive strip,And the center of filtration core is fixed with aluminum strip,This automobile air-conditioning filter filter core,Filtration core and filter are provided with equipment,Double filtration,Impurity larger in air is filtered using filter,Filtration core then filters out peculiar smell and minor diameter impurity in air,Definite functions,Increase the service life of equipment,Improve the economy that automobile is used.
Description
Technical field
The present invention relates to the technical field of filter core equipment, specially a kind of automobile air-conditioning filter filter core.
Background technology
With social constantly development, the continuous renewal of science and technology, the manufacturing of China quickly grows, automobile conduct
Than more prominent industry in manufacturing, more and more paid close attention to by people, the outward appearance of automobile and the auxiliary facility of inside are
Focus of concern, used as the indispensable facility of automotive interior, its practicality is most important with aesthetic property, and air-conditioning is in length for air-conditioning
Many dusts can be produced during the use of time, this is accomplished by cleaner to be filtered, and filter core is used as the weight of cleaner
Want part, effect can not despise, filter core separate gas in fixed particle, quickening the reaction time, can protection equipment just
Often work and the cleaning of air, but the filter core sold in the market has some shortcomings during installation and use
Part.
1st, the simple structure of automobile air conditioner filter element, structure is not compact, it is possible that the feelings for pitching during use
Condition, and then filter effect is influenceed, so as to influence the performance of air conditioning for automobiles.
2nd, general filter core only has one filter layer, and the big small impurities in air during prolonged use is attached to
The appearance wall of filter core, causes poor filtration effect, and service life is short, it is necessary to often be changed.
The content of the invention
It is an object of the invention to provide a kind of automobile air-conditioning filter filter core, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme:A kind of automobile air-conditioning filter filter core, including filtering
Plate, filtration core and outer ring, the holding outer ring is kept to be internally provided with groove, the groove is provided with six, and six altogether
Groove is symmetric on the center line for keeping outer ring, and the center of groove is plugged with plush copper, the plush copper and filter
It is fixedly connected, the filter is provided with two altogether, and two filters are distributed in the upper and lower ends for keeping outer ring, and mistake
Fixed plate is fixed with below filter plate, filtration core is provided with below the fixed plate, the two ends of the filtration core are by viscous
The upper table wall that bar is fixed on filter is closed, and the center of filtration core is fixed with aluminum strip, the aluminum strip is arranged on the folding of filtration core
Folded place, and the length value of aluminum strip and the width numerical value of filtration core are equal, the appearance wall of the filtration core is provided with paper membrane layer, institute
The side for stating paper membrane layer is provided with spongy layer, and the side of the spongy layer is fixed with active carbon layer, the active carbon layer it is another
Post electrostatic post pole layer in side.
Preferably, the fixed plate is welded on the inner surface wall for keeping outer ring, and fixed plate is provided with six altogether, and six are consolidated
Fixed board is uniformly fixed on the top of filtration core.
Preferably, the side of the holding outer ring is welded with push-pull handle.
Preferably, the holding outer ring and filter are made of aluminum alloy material.
Preferably, the center of the filter is welded with grid.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, the present invention is provided with filtration core and filter in equipment, double filtration, will be larger miscellaneous in air using filter
Matter is filtered, and filtration core then filters out peculiar smell and minor diameter impurity in air, and definite functions increase the use longevity of equipment
Life, improves the economy that automobile is used.
2nd, compact conformation of the invention, by being welded with fixed plate on device, can be very good to be consolidated filtration core
It is fixed, and be fixed with adhesive respectively in filtration core both sides, it is ensured that filtration core will not occur during automobilism
Loose situation.
3rd, the assembling of the equipment is simple, and the maintenance of quick and convenient can be carried out when being damaged, and meets people's demand.
Brief description of the drawings
Fig. 1 is overall structure side view of the present invention;
Fig. 2 is overall structure top view of the present invention;
Fig. 3 is filter structure top view of the present invention;
Fig. 4 is filtration core internal structure side view of the present invention.
In figure:1- grooves;2- plush coppers;3- filters;4- filtration cores;5- aluminum strips;6- fixed plates;7- keeps outer ring;8- is pushed away
Pull handle;9- adhesive strips;10- grids;11- electrostatic post pole layer;12- paper membranes layer;13- spongy layers;14- active carbon layers.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-4 are referred to, the present invention provides a kind of technical scheme:A kind of automobile air-conditioning filter filter core, including filter
3rd, filtration core 4 and outer ring 7 is kept, the holding outer ring 7 is internally provided with groove 1, the groove 1 is provided with six altogether, and
Six grooves 1 are symmetric on the center line for keeping outer ring 7, and the center of groove 1 is plugged with plush copper 2, the plush copper 2
It is fixedly connected with filter 3, the filter 3 is provided with two altogether, and two filters 3 are distributed in and keep outer ring 7
Upper and lower ends, and the lower section of filter 3 is fixed with fixed plate 6, the lower section of the fixed plate 6 is provided with filtration core 4, the filtering
The two ends of core 4 are fixed on the upper table wall of filter 3 by adhesive strip 9, and the center of filtration core 4 is fixed with aluminum strip 5, described
Aluminum strip 5 is arranged on the burst of filtration core 4, and the length value of aluminum strip 5 and the width numerical value of filtration core 4 are equal, the filtering
The appearance wall of core 4 is provided with paper membrane layer 12, and the side of the paper membrane layer 12 is provided with spongy layer 13, the side of the spongy layer 13
Active carbon layer 14 is fixed with, the opposite side of the active carbon layer 14 posts electrostatic post pole layer 11.
The fixed plate 6 is welded on the inner surface wall for keeping outer ring 7, and fixed plate 6 is provided with six, and six fixed plates altogether
The 6 uniform tops for being fixed on filtration core 4, necessary fixation can be carried out during running car by filtration core 4, it is to avoid
Jolting in running car causes filtration core 4 that the movement of position occurs, so that the filter effect of air conditioning for automobiles is influenceed, the holding
The side of outer ring 7 is welded with push-pull handle 8, facilitates maintenance personal to carry out removing and installing behavior, the holding outer ring 7 and filter 3
It is made of aluminum alloy material, light weight and will not be got rusty, the service life of equipment is long, the center weldering of the filter 3
Grid 10 is connected to, impurity larger in air can be filtered, improve the filter effect of filtration core 4.
Operation principle:When using, filter 3 is attached with outer ring 7 is kept with the grafting of groove 1 first with plush copper 2,
Then the two ends of filtration core 4 are attached with adhesive strip 9 respectively, then will keep the upper end of outer ring 7 filter 3 carry out grafting, so
Afterwards outer ring 7 will be kept to be arranged on air conditioning for automobiles suitable location within using push-pull handle 8, when air conditioning for automobiles is used, air leads to
Filter 3 is crossed, larger impurity is filtered in air, then air is respectively by paper membrane layer 12, spongy layer 13, active carbon layer 14
With electrostatic electret layer 11, the fine dust in air and peculiar smell are filtered respectively, so as to the filtering for realizing air conditioning for automobiles is imitated
Really.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a kind of automobile air-conditioning filter filter core, including filter(3), filtration core(4)With holding outer ring(7), it is characterised in that:
The holding outer ring(7)Be internally provided with groove(1), the groove(1)Six, and six grooves are provided with altogether(1)On
Keep outer ring(7)Center line be symmetric, and groove(1)Center be plugged with plush copper(2), the plush copper(2)With mistake
Filter plate(3)It is fixedly connected, the filter(3)Two, and two filters are provided with altogether(3)It is distributed in holding outer ring
(7)Upper and lower ends, and filter(3)Lower section be fixed with fixed plate(6), the fixed plate(6)Lower section be provided with filtering
Core(4), the filtration core(4)Two ends pass through adhesive strip(9)It is fixed on filter(3)Upper table wall, and filtration core(4)'s
Center is fixed with aluminum strip(5), the aluminum strip(5)It is arranged on filtration core(4)Burst, and aluminum strip(5)Length value with
Filtration core(4)Width numerical value it is equal, the filtration core(4)Appearance wall be provided with paper membrane layer(12), the paper membrane layer(12)
Side be provided with spongy layer(13), the spongy layer(13)Side be fixed with active carbon layer(14), the active carbon layer
(14)Opposite side post electrostatic post pole layer(11).
2. a kind of automobile air-conditioning filter filter core according to claim 1, it is characterised in that:The fixed plate(6)Welding
Keeping outer ring(7)Inner surface wall, and fixed plate(6)Six, and six fixed plates are provided with altogether(6)Uniformly it is fixed on filtering
Core(4)Top.
3. a kind of automobile air-conditioning filter filter core according to claim 1, it is characterised in that:The holding outer ring(7)'s
Side is welded with push-pull handle(8).
4. a kind of automobile air-conditioning filter filter core according to claim 1, it is characterised in that:The holding outer ring(7)With
Filter(3)It is made of aluminum alloy material.
5. a kind of automobile air-conditioning filter filter core according to claim 1, it is characterised in that:The filter(3)In
Grid is welded with the heart(10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710345267.8A CN106925043A (en) | 2017-05-16 | 2017-05-16 | A kind of automobile air-conditioning filter filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710345267.8A CN106925043A (en) | 2017-05-16 | 2017-05-16 | A kind of automobile air-conditioning filter filter core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106925043A true CN106925043A (en) | 2017-07-07 |
Family
ID=59430251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710345267.8A Pending CN106925043A (en) | 2017-05-16 | 2017-05-16 | A kind of automobile air-conditioning filter filter core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106925043A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107485936A (en) * | 2017-09-25 | 2017-12-19 | 浙江金禾成汽车空调有限公司 | A kind of automobile air-conditioning filter screen easy to disassemble changed clothes |
| CN107670433A (en) * | 2017-11-17 | 2018-02-09 | 中山尚诚环保科技有限公司 | Carrier structure of filter device and method for manufacturing filter device |
| CN107961601A (en) * | 2017-12-18 | 2018-04-27 | 中山尚诚环保科技有限公司 | A kind of filtration supports and its manufacture method |
| CN112023600A (en) * | 2020-09-23 | 2020-12-04 | 南京星诺新材料有限公司 | Air purification device in tunnel and purification method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030183233A1 (en) * | 2002-04-01 | 2003-10-02 | Wen-Tsung Chang | Respirator filter |
| JP2013132637A (en) * | 2011-12-27 | 2013-07-08 | Toyota Boshoku Corp | Filter and air conditioner |
| CN203139825U (en) * | 2013-01-06 | 2013-08-21 | 蚌埠市宏威滤清器有限公司 | Anti-loosening filter element of air cleaner |
| CN104353292A (en) * | 2014-11-15 | 2015-02-18 | 柳州市莫尔斯汽配制造有限公司 | Car air conditioner filter |
| CN204239097U (en) * | 2014-11-03 | 2015-04-01 | 东莞市海莎过滤器有限公司 | A kind of air-strainer |
| CN106178796A (en) * | 2016-09-05 | 2016-12-07 | 山东永华净化科技有限公司 | Automobile air-conditioning filter filter element |
| CN206700954U (en) * | 2017-05-16 | 2017-12-05 | 盐城灌桥商贸有限公司 | A kind of automobile air-conditioning filter filter core |
-
2017
- 2017-05-16 CN CN201710345267.8A patent/CN106925043A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030183233A1 (en) * | 2002-04-01 | 2003-10-02 | Wen-Tsung Chang | Respirator filter |
| JP2013132637A (en) * | 2011-12-27 | 2013-07-08 | Toyota Boshoku Corp | Filter and air conditioner |
| CN203139825U (en) * | 2013-01-06 | 2013-08-21 | 蚌埠市宏威滤清器有限公司 | Anti-loosening filter element of air cleaner |
| CN204239097U (en) * | 2014-11-03 | 2015-04-01 | 东莞市海莎过滤器有限公司 | A kind of air-strainer |
| CN104353292A (en) * | 2014-11-15 | 2015-02-18 | 柳州市莫尔斯汽配制造有限公司 | Car air conditioner filter |
| CN106178796A (en) * | 2016-09-05 | 2016-12-07 | 山东永华净化科技有限公司 | Automobile air-conditioning filter filter element |
| CN206700954U (en) * | 2017-05-16 | 2017-12-05 | 盐城灌桥商贸有限公司 | A kind of automobile air-conditioning filter filter core |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107485936A (en) * | 2017-09-25 | 2017-12-19 | 浙江金禾成汽车空调有限公司 | A kind of automobile air-conditioning filter screen easy to disassemble changed clothes |
| CN107670433A (en) * | 2017-11-17 | 2018-02-09 | 中山尚诚环保科技有限公司 | Carrier structure of filter device and method for manufacturing filter device |
| WO2019095769A1 (en) * | 2017-11-17 | 2019-05-23 | 中山尚诚环保科技有限公司 | Carrier structure of filter device and method of manufacturing filter device |
| CN107961601A (en) * | 2017-12-18 | 2018-04-27 | 中山尚诚环保科技有限公司 | A kind of filtration supports and its manufacture method |
| CN112023600A (en) * | 2020-09-23 | 2020-12-04 | 南京星诺新材料有限公司 | Air purification device in tunnel and purification method thereof |
| CN112023600B (en) * | 2020-09-23 | 2023-11-21 | 星诺大气环境科技(南京)有限公司 | Air purifying device in tunnel and purifying method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170707 |
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| WD01 | Invention patent application deemed withdrawn after publication |