CN109764467A - A kind of window fresh air purifier of sound insulation and noise reducing - Google Patents
A kind of window fresh air purifier of sound insulation and noise reducing Download PDFInfo
- Publication number
- CN109764467A CN109764467A CN201910021891.1A CN201910021891A CN109764467A CN 109764467 A CN109764467 A CN 109764467A CN 201910021891 A CN201910021891 A CN 201910021891A CN 109764467 A CN109764467 A CN 109764467A
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- shell
- sound
- fresh air
- sound insulation
- 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.)
- Granted
Links
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a kind of window fresh air purifiers of sound insulation and noise reducing of clearing machine technical field, sealing plate including shell and shell both ends, shell both ends communicate, shell is in hollow structure, and side is opening, it is successively arranged circuit control area, wind purifying area and noise reduction heating zone in the shell, further includes the purification assembly being mounted in wind purifying area and the noise reduction channel that is mounted on noise reduction heating zone, and the sound insulationg board component for closed circuit control zone, wind purifying area and noise reduction heating zone；The opening of shell side is equipped with sound insulationg board component, and the present invention can carry out noise reduction process to the wind noise of fresh air, so that air outlet fresh air noise is reduced；Simultaneously by sound insulationg board component, completely cut off outdoor noise, so that fresh air machine has sound insulation and noise reducing ability, the present invention is widely used in the existing sound insulation such as industrial premises, school, overlooking house requirement, and the place for having fresh air to require uses.
Description
Technical field
The present invention relates to clearing machine technical field, the window fresh air purifier of specially a kind of sound insulation and noise reducing.
Background technique
Air purifier is also known as " air cleaner ", air cleaner, clarifier, is to refer to absorption, decompose or convert
Various air pollutants (generally comprise the finishing pollution, bacterium, anaphylactogen of PM2.5, dust, pollen, peculiar smell, formaldehyde etc
Deng), the product of air cleanliness is effectively improved, household, commercialization, industry, building are broadly divided into.Clearing machine is widely used in pollution
Gas is filtered generation fresh air.There is many help by physical and mental health of the filtered fresh air of clearing machine to human body.
There are many different technology and medium in air purifier, the sky for providing a user cleaning and safety is enabled it to
Gas.Common air purifying process has: adsorption technology, negative (just) ion technology, catalysis technique, photocatalyst technology, superstructure light
Mineralising technology, HEPA high efficiency filter technology, electrostatic precipitation technology etc.；Material technology mainly has: photocatalyst, active carbon, synthesis are fine
Dimension, the efficient material of HEAP, anion generator etc..Existing air purifier is adopted to be compound more, i.e., uses simultaneously a variety of
Purification techniques and material medium.
The strainer of existing air purifier is inconvenient in replacement, and wastes time, and be not easy to dismantle, and operation is multiple
It is miscellaneous.
Sound insulation requirement existing for industrial premises, school, overlooking house etc., is unable to satisfy using existing clearing machine, by
It in existing market window fresh air purifier, does not insulate against sound to ambient noise, noise reduction is not carried out to purified fresh air yet
Processing, wind noise is big, and body itself is without sound insulation effect.Based on this, the present invention devises a kind of window of sound insulation and noise reducing
Fresh air purifier, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of window fresh air purifiers of sound insulation and noise reducing, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of window fresh air purifier of sound insulation and noise reducing, packet
Shell is included, circuit control area, wind purifying area and noise reduction heating zone are successively arranged in the shell, further includes being mounted on air inlet only
Purification assembly and the noise reduction channel being mounted on noise reduction heating zone and ptc heater in change area, and it is used for closed circuit control
The sound insulationg board component in area processed, wind purifying area and noise reduction heating zone；
Wind purifying component include from top to bottom successively in gap setting fan installation plate, composite filter element, just imitate filter core, blower
Gap is formed between mounting plate and composite filter element, the both ends between composite filter element and just effect filter core are fixed by press strip, described
Blower is installed, towards on composite filter element, the assembling plate surface, which is additionally provided with, to be subtracted for the air intake vent of blower on fan installation plate
Shake gasket；
Noise reduction channel includes outer layer noise reduction channel and internal layer noise reduction channel, and internal layer noise reduction channel is arranged in outer layer noise reduction channel
It is cavity body that gap is formed between in portion, outer layer noise reduction channel and shell.
Noise reduction channel exit configures ptc heater, for heating to outdoor air inlet.
Preferably, the shell both ends are communicated in hollow structure, and side is opening, and the sound insulationg board component is fixed on outer
The opening of shell side, sound insulationg board component both ends are fixed on the shell by end-plate, are equipped on the end-plate embedding
Enter slot, sealing plate is embedded in the both ends of shell and sound-blocking member by embedded groove, is successively arranged sound-proof damping on the inside of sound insulationg board component
Felt and foaming gasket, sound insulationg board component outside are equipped with the outer panels that can be rotarily opened on the shell, outer panels and sound insulation board group
Gap between part forms air-out passage, and outer panels are equipped with the exhaust vent being connected to air-out passage.
Preferably, the sliding slot being arranged along outer cover length direction is equipped in the shell, the purification assembly both ends pass through solid
Determine the installation of block one inside the shell, and L-type connector is passed through by screw, fixed block one is tightened in sliding slot.
It preferably, further include installation inside the shell and positioned at the ptc heater of noise reduction channel exit, ptc heater peace
In fixing seat, fixing seat is equipped with the through-hole communicated with noise reduction channel.
Preferably, the sound insulationg board component is spliced by three pieces of sound insulationg boards, and three pieces of sound insulationg boards are respectively used to closed circuit
Control zone, wind purifying area and noise reduction heating zone, the sound insulationg board on noise reduction heating zone go out equipped with what is be connected to air-out passage
Air port is equipped with air outlet guide cylinder on the air outlet.
Preferably, the shell of wind purifying area bottom is equipped with air inlet hole.
Preferably, the both ends in the noise reduction channel are installed inside the shell by fixed block two, on the fixed block two respectively
Equipped with the interior air inlet communicated with internal layer noise reduction channel, the external admission hole communicated with outer layer noise reduction channel.
Preferably, the section in the noise reduction channel is in " returning " font.
Compared with prior art, the beneficial effects of the present invention are: the present invention is provided with purification assembly and noise reduction inside the shell
Channel can carry out noise reduction process to the wind noise of fresh air, so that air outlet fresh air noise is reduced；Pass through sound insulation area simultaneously, every
Outer noise without offspring, so that fresh air machine has sound insulation and noise reducing ability, the present invention can not only insulate against sound to outdoor noise, while
The effect that Intelligent purifying is carried out to outdoor pollution air, also carries out special noise reduction process to purified fresh air；Clearing machine structure
Assembly is quick simple；The present invention is widely used in the existing sound insulation such as industrial premises, school, overlooking house requirement, and has fresh air to want
The place asked uses.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is exploded view of the invention；
Fig. 2 is to cut open schematic diagram in of the invention；
Fig. 3 is the A-A of Fig. 2 to sectional structure chart；
Fig. 4 is the structural schematic diagram of purification assembly of the present invention；
Fig. 5 is the structural schematic diagram in noise reduction channel of the present invention；
Fig. 6 is the diagrammatic cross-section in noise reduction channel of the present invention；
Fig. 7 is the principle of the present invention structure chart；
Fig. 8 is the structural schematic diagram of sealing plate of the present invention；
In attached drawing, parts list represented by the reference numerals are as follows:
1- shell, 2- purification assembly, 3- noise reduction channel, 4-PTC calandria, 5- fixing seat, 6- fixed block one, 7- fixed block two,
8- sound insulationg board, 9- air outlet guide cylinder, 10- sealing plate, 11- sliding slot, 12-L type connector, 13- embedded groove, 14- outer panels, 15-
Exhaust vent, 16- air-out passage, 17- circuit control area, 18- purifying area, 19- noise reduction heating zone, 20- fan installation plate, 21- are multiple
Filter core is closed, 22- just imitates filter core, 23- blower, 24- vibration damping gasket, 25- press strip, 30- outer layer noise reduction channel, 31- internal layer drop
It makes an uproar channel, 32- cavity body, 50- insulates against sound area, 70- external admission hole, air inlet in 71-, 80- air outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
A kind of window fresh air purifier of the sound insulation and noise reducing of the present embodiment, as shown in Figures 1 to 8, including aluminum alloy material
The sealing plate 10 of manufactured shell 1 and shell both ends, 1 both ends of shell communicate, and shell 1 is in hollow structure, and side is opening, shell
Upper surface and lower end surface in 1 are respectively equipped with the sliding slot 11 along the setting of outer cover length direction, are successively arranged circuit control in shell
Area 17, wind purifying area 18 and noise reduction heating zone 19 further include the purification assembly 2 being mounted in wind purifying area and are mounted on drop
The noise reduction channel 3 made an uproar on heating zone, and it is mounted in shell 1 and is located at the ptc heater 4 of noise reduction channel exit, PTC adds
Hot device 4 is mounted in fixing seat 5, and fixing seat 5 is equipped with the through-hole communicated with noise reduction channel；It also include being controlled for closed circuit
The sound insulationg board component in area 17, wind purifying area 18 and noise reduction heating zone 19.
Wherein purification assembly 2 includes from top to bottom successively in the fan installation plate 20 of gap setting, composite filter element 21, just effect
Filter core 22, there are two blowers 23, the wrong row's series connection in the same direction of two blowers 23 can increase wind in this way for installation on fan installation plate 20
Pressure, overcomes filter core resistance, while increasing purification air quantity jointly, and the air intake vent of each blower 23 is towards on composite filter element 21,
It is equipped with one layer of vibration damping gasket 24 on 20 surface of fan installation plate, blower can be inhibited to shake while increasing air-tightness, and wind
The fold of 20 front-back of machine mounting plate reduces gas and leaks out, forms gap, composite filter between fan installation plate 20 and composite filter element 21
Both ends between core 21 and just effect filter core 22 pass through press strip 25 and fix, and 2 both ends of purification assembly are mounted on outer by fixed block 1
In shell 1, when installation, it will be fixed between the fixed block 1 and fan installation plate 20 at both ends by screw tightening, the fixed block at both ends
It is fixed between one 6 lower ends and press strip 25 by screw tightening, in addition screw passes through L-type connector 12 and is tightened in fixed block 1
In sliding slot 11,12 one end of L-type connector is connect by screw with fixed block 1, and the other end passes through on screw and sliding slot 11
Nut tightens fixation, and purification assembly installation site in shell 1 can be freely adjusted by the screw tightness on sliding slot 11, improves dress
With efficiency, so that case surface is without rigging screw, attractive appearance.
Noise reduction channel 3 includes outer layer noise reduction channel 30 and internal layer noise reduction channel 31, outer layer noise reduction channel 30 and internal layer noise reduction
The length in channel 31 is all larger than 400mm, and internal layer noise reduction channel 31 is arranged inside outer layer noise reduction channel 30, outer layer noise reduction channel 30
Be mounted in shell 1 with the both ends in internal layer noise reduction channel 31 by fixed block 27, in outer layer noise reduction channel 30 and shell 1 it
Between to form gap be cavity body 32, be respectively equipped with the interior air inlet 71 and outer layer communicated with internal layer noise reduction channel on fixed block 27
The external admission hole 70 that noise reduction channel communicates.
In order to improve sound absorption qualities, increase low-frequency range sound absorption, while retaining fresh air volume.The section in noise reduction channel 3 is in " returning "
Font, the material in noise reduction channel 3 are polyester fibre acoustic panel, and polyester fibre acoustic panel has sound-absorbing, fire-retardant, heat-insulated, environmentally friendly
Effect；And polyester fibre acoustic panel is made of 100% polyester fiber of raw material by hot pressing with cocoon cotton like；Utilize heat treatment
Method realizes biomass diversity while ensuring sound absorption function；Polyester fibre acoustic panel belongs to sound-absorbing porous material, and inside has greatly
The hole of small connection is measured, sound wave can go deep into material internal along these holes, and rubbing action occurs by sound energy with material
It is converted into thermal energy.Sound-absorption coefficient reaches greater than 0.9 in 125-4000HZ noise range, good to medium-high frequency sound-absorbing effect, when new
When wind enters noise reduction channel, by the inside and outside layer noise reduction channel being made of polyester fibre acoustic panel, first is that directly utilizing abatvoix
Porous sound absorption principle absorbs high-frequency noises；Two increase low frequency absorption energy using cavity sound absorption principle by double-layer cavity body
Power.
The opening of 1 side of shell is equipped with sound insulationg board component, and sound insulationg board component is spliced by three pieces of sound insulationg boards 8, and three pieces
Sound insulationg board is respectively used to closed circuit control zone 17, wind purifying area 18 and noise reduction heating zone 19, on noise reduction heating zone
Sound insulationg board 8 is equipped with the air outlet 80 being connected to air-out passage, is equipped with air outlet guide cylinder 9, sound insulationg board component on air outlet 80
Both ends are fixed on shell 1 by sealing plate 10, embedded groove 13 are equipped on the sealing plate 10 at 1 both ends of shell, sealing plate 10 passes through insertion
Slot 13 is embedded in the both ends of shell 1 Yu sound-blocking member, and screw passes through L-type connector 12 and sealing plate 10 is tightened in sliding slot 11, L-type
12 one end of connector connect by screw with sealing plate, and the other end is by screw and sliding slot 11, and sound insulationg board component outside is equipped with can be
The outer panels 14 rotarily opened on shell 1, the gap between outer panels 14 and sound insulationg board component form air-out passage 16, outer panels
14 are equipped with the exhaust vent 15 being connected to air-out passage 16, and the shell 1 of 18 bottom of wind purifying area is equipped with air inlet hole, outdoor empty
Gas is entered by air inlet hole, by the noise reduction channel noise reduction of the purification assembly filtering and noise reduction heating zone of purifying area, using PTC plus
Hot device 4 heats, and forms fresh air air, by air outlet 80, air-out passage 16, after finally purifying from exhaust vent 15 to indoor offer
Fresh air air.
Sound-proof damping felt 81 and foaming gasket are successively posted behind each sound insulationg board 8, sound-proof damping felt 81 and foaming are close
Thickness forms sound insulation area 50 between packing, and for sound-proof damping felt 81 since surface density is larger, interior damping capacity is strong, itself is not easy to produce
Raw vibration, the vibration of veneer can also be prevented by being attached on veneer, the transmission potential for the incident source of sound that can decay, thus effectively
The noise for simultaneously completely cutting off the generations such as object shock, mechanical equipment vibration, sanitary equipment and duct wall to the greatest extent is prevented, to reach
The effect of sound insulation is arrived, sound insulationg board component can completely cut off extraneous incoming noise, can also completely cut off the duct noise of blower generation.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of window fresh air purifier of sound insulation and noise reducing, including shell, it is characterised in that: be successively arranged circuit in the shell
Control zone, wind purifying area and noise reduction heating zone further include the purification assembly being mounted in wind purifying area and are mounted on noise reduction
Noise reduction channel and ptc heater on heating zone, and for closed circuit control zone, wind purifying area and noise reduction heating zone
Sound insulationg board component；
Wind purifying component include from top to bottom successively in gap setting fan installation plate, composite filter element, just imitate filter core, blower
Gap is formed between mounting plate and composite filter element, the both ends between composite filter element and just effect filter core are fixed by press strip, described
Blower is installed, towards on composite filter element, the assembling plate surface, which is additionally provided with, to be subtracted for the air intake vent of blower on fan installation plate
Shake gasket；
Noise reduction channel includes outer layer noise reduction channel and internal layer noise reduction channel, and internal layer noise reduction channel is arranged in outer layer noise reduction channel
It is cavity body that gap is formed between in portion, outer layer noise reduction channel and shell；
Noise reduction channel exit configures ptc heater, for heating to outdoor air inlet.
2. a kind of window fresh air purifier of sound insulation and noise reducing according to claim 1, it is characterised in that: the shell both ends
It communicates in hollow structure, and side is opening, the sound insulationg board component is fixed on the opening of shell side, the sound insulation board group
Part both ends are fixed on the shell by end-plate, and embedded groove is equipped on the end-plate, and sealing plate is embedded in outer by embedded groove
The both ends of shell and sound-blocking member, sound insulationg board component inside are successively arranged sound-proof damping felt and the gasket that foams, outside sound insulationg board component
Side is equipped with the outer panels that can be rotarily opened on the shell, and the gap between outer panels and sound insulationg board component forms air-out passage, outside
Panel is equipped with the exhaust vent being connected to air-out passage.
3. a kind of window fresh air purifier of sound insulation and noise reducing according to claim 1, it is characterised in that: set in the shell
There is the sliding slot along the setting of outer cover length direction, the purification assembly both ends are installed inside the shell by fixed block one, and by spiral shell
Silk passes through L-type connector and fixed block one is tightened in sliding slot.
4. a kind of window fresh air purifier of sound insulation and noise reducing according to claim 1, it is characterised in that: further include being mounted on
In shell and be located at the ptc heater of noise reduction channel exit, ptc heater is mounted in fixing seat, fixing seat be equipped with
The through-hole that noise reduction channel communicates.
5. a kind of window fresh air purifier of sound insulation and noise reducing according to claim 1 or 2, it is characterised in that: the sound insulation
Board group part is spliced by three pieces of sound insulationg boards, and three pieces of sound insulationg boards are respectively used to closed circuit control zone, wind purifying area and noise reduction
Heating zone, the sound insulationg board on noise reduction heating zone are equipped with the air outlet being connected to air-out passage, are equipped on the air outlet
Air outlet guide cylinder.
6. a kind of window fresh air purifier of sound insulation and noise reducing according to claim 5, it is characterised in that: the wind purifying
The shell of area bottom is equipped with air inlet hole.
7. a kind of window fresh air purifier of sound insulation and noise reducing according to claim 1, it is characterised in that: the noise reduction channel
Both ends by fixed block two install inside the shell, be respectively equipped on the fixed block two in being communicated with internal layer noise reduction channel into
Stomata, the external admission hole communicated with outer layer noise reduction channel.
8. a kind of window fresh air purifier of sound insulation and noise reducing according to claim 1 or claim 7, it is characterised in that: the noise reduction
The section in channel is in " returning " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021891.1A CN109764467B (en) | 2019-01-10 | 2019-01-10 | Window formula new trend purification machine of making an uproar falls in sound insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021891.1A CN109764467B (en) | 2019-01-10 | 2019-01-10 | Window formula new trend purification machine of making an uproar falls in sound insulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109764467A true CN109764467A (en) | 2019-05-17 |
| CN109764467B CN109764467B (en) | 2023-09-19 |
Family
ID=66453636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910021891.1A Active CN109764467B (en) | 2019-01-10 | 2019-01-10 | Window formula new trend purification machine of making an uproar falls in sound insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109764467B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331925A (en) * | 2019-07-30 | 2019-10-15 | 四川三元环境治理股份有限公司 | Purify ventilated and soundproof window |
| CN110388701A (en) * | 2019-08-21 | 2019-10-29 | 谢柏堆 | A kind of solar air purification device |
| CN111947312A (en) * | 2020-08-24 | 2020-11-17 | 华帝股份有限公司 | Bottom shell assembly, shell structure and heat exchange equipment applying bottom shell assembly and shell structure |
| CN112728702A (en) * | 2020-12-24 | 2021-04-30 | 河南泉舜工程有限公司 | Window formula air purification device convenient to installation just has multiple purification structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001174012A (en) * | 1999-12-20 | 2001-06-29 | Ykk Architectural Products Inc | Noise reduction ventilating unit and sound-absorbing material unit used in the unit |
| CN206831746U (en) * | 2017-06-08 | 2018-01-02 | 窗多多科技（北京）有限公司 | A kind of main frame of New-air purifying system |
| CN206859999U (en) * | 2017-01-23 | 2018-01-09 | 上海申华声学装备有限公司 | One kind is except PM2.5 sound insulation ventilated energy-saving windows |
| CN107702266A (en) * | 2017-11-02 | 2018-02-16 | 苏州纽塔克环境科技有限公司 | A kind of split type VMC of internal-external machine and installation method |
| CN107882489A (en) * | 2017-11-23 | 2018-04-06 | 四川三元环境治理股份有限公司 | A kind of ventilated and soundproof window |
| CN209541097U (en) * | 2019-01-10 | 2019-10-25 | 四川三元环境治理股份有限公司 | A kind of window fresh air purifier of sound insulation and noise reducing |
-
2019
- 2019-01-10 CN CN201910021891.1A patent/CN109764467B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001174012A (en) * | 1999-12-20 | 2001-06-29 | Ykk Architectural Products Inc | Noise reduction ventilating unit and sound-absorbing material unit used in the unit |
| CN206859999U (en) * | 2017-01-23 | 2018-01-09 | 上海申华声学装备有限公司 | One kind is except PM2.5 sound insulation ventilated energy-saving windows |
| CN206831746U (en) * | 2017-06-08 | 2018-01-02 | 窗多多科技（北京）有限公司 | A kind of main frame of New-air purifying system |
| CN107702266A (en) * | 2017-11-02 | 2018-02-16 | 苏州纽塔克环境科技有限公司 | A kind of split type VMC of internal-external machine and installation method |
| CN107882489A (en) * | 2017-11-23 | 2018-04-06 | 四川三元环境治理股份有限公司 | A kind of ventilated and soundproof window |
| CN209541097U (en) * | 2019-01-10 | 2019-10-25 | 四川三元环境治理股份有限公司 | A kind of window fresh air purifier of sound insulation and noise reducing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331925A (en) * | 2019-07-30 | 2019-10-15 | 四川三元环境治理股份有限公司 | Purify ventilated and soundproof window |
| CN110388701A (en) * | 2019-08-21 | 2019-10-29 | 谢柏堆 | A kind of solar air purification device |
| CN111947312A (en) * | 2020-08-24 | 2020-11-17 | 华帝股份有限公司 | Bottom shell assembly, shell structure and heat exchange equipment applying bottom shell assembly and shell structure |
| CN112728702A (en) * | 2020-12-24 | 2021-04-30 | 河南泉舜工程有限公司 | Window formula air purification device convenient to installation just has multiple purification structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109764467B (en) | 2023-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109764467A (en) | A kind of window fresh air purifier of sound insulation and noise reducing | |
| CN201125655Y (en) | Bidirectional heat preservation air-changing device and window or door with the same | |
| CN201599882U (en) | Air purification fresh air blower | |
| CN201144616Y (en) | Energy-saving flash air system and energy-saving door or window therewith | |
| DK174935B1 (en) | Solar collector panel has duct and ventilator forcing air flow from aluminum panels | |
| CN106196405B (en) | Fresh air purifier | |
| CN209541097U (en) | A kind of window fresh air purifier of sound insulation and noise reducing | |
| CN111795491A (en) | Noise reduction structure and air purifier | |
| CN104047447A (en) | Dry ice washing mold house | |
| CN204002395U (en) | A kind of air purification thermal insulation door | |
| CN110331925A (en) | Purify ventilated and soundproof window | |
| CN203223016U (en) | Dry ice washing mold house | |
| CN205957390U (en) | Fresh air purifier | |
| CN208253886U (en) | A kind of full heat recovery fresh air machine with noise reduction | |
| CN205641230U (en) | Low noise new trend rack | |
| CN201778880U (en) | Non-formaldehyde environmental-friendly plate silencer | |
| CN207962959U (en) | A kind of noise cancelling type air purifier | |
| CN220229537U (en) | Noise elimination and reduction device for combined air conditioning unit | |
| CN206853332U (en) | A kind of wall-mounted Two-way Cycle domestic air purification machine | |
| CN214406463U (en) | Air conditioner stainless steel muffler connecting pipe capable of preventing blockage | |
| CN2883631Y (en) | Ventilation silencing purifier mounted on window | |
| CN213208183U (en) | Silencing and noise reducing device for air pipe | |
| CN212566247U (en) | Noise reduction structure and air purifier | |
| CN220541286U (en) | Fresh air filtering device for heating and ventilation engineering | |
| CN2134617Y (en) | Air clarifier manufactured with compound material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |