CN2573923Y - Sound insulation fresh air changer - Google Patents
Sound insulation fresh air changer Download PDFInfo
- Publication number
- CN2573923Y CN2573923Y CN 02274125 CN02274125U CN2573923Y CN 2573923 Y CN2573923 Y CN 2573923Y CN 02274125 CN02274125 CN 02274125 CN 02274125 U CN02274125 U CN 02274125U CN 2573923 Y CN2573923 Y CN 2573923Y
- Authority
- CN
- China
- Prior art keywords
- air inlet
- cover plate
- air
- fresh air
- plate
- 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.)
- Expired - Fee Related
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- Ventilation (AREA)
Abstract
The utility model relates to a sound insulation fresh air exchanger, which comprises an exchanger shell which is composed of an outer plate of an air inlet port, an inner plate of a ventilating port, an upper cover plate, and a lower cover plate, two sound absorption ventilating chambers which is arranged in the shell and is formed by the division of a spacing frame, and a filtering cavity which is arranged in the shell and is formed by the division of the spacing frame. The outer plate of the air inlet port and the inner plate of the ventilating port are connected together by the upper cover plate and the lower cover plate. A labyrinthine passageway which is formed by silencing sponges is arranged in the sound absorption ventilating chambers, and a filtering net is arranged in the filtering cavity. Outdoor fresh air enters the filtering cavity through the abatement of noise of the labyrinthine passageway which is formed by the silencing sponges, and enters a room after dust is filtered by the filtering net in the filtering cavity. The exchange of inner air and outer air is realized by making use of the difference between indoor and outdoor temperature. The bigger the temperature difference is, the better the effect is. Any external connection energy is not required. Consequently, the utility model has the advantages of no energy consumption, prevents the interference of noise and the intrusion of dust, and leads indoor air to keep fresh.
Description
Technical field:
The utility model relates to a kind of brethaid.
Background technology:
People are after housing condition is greatly improved, to the urgent requirement of improving the quality of living.Environmental protection is also more and more paid attention to, particularly more and more higher to the api request in the house.Ventilation can be driven transom window, even opens the window and realize.Can bring a problem like this, i.e. dust and noise problem.Outdoor dust can blow into indoor, and the noise effect people have a rest.
Summary of the invention:
In view of the foregoing, the purpose of this utility model provides a kind of dust and noise of preventing and enters the sound insulation fresh air interchanger in the house.
The purpose of this utility model is achieved in that it comprises the interchanger housing that constitutes by air inlet outside plate, blow vent inner panel with the upper and lower cover plate that air inlet outside plate and blow vent inner panel link together and is located at two sound-absorbing breather chamber and filter chamber that is separated into by spacing frame in this housing, be provided with by the spongiotic labyrinth passage of noise reduction in the sound-absorbing vent chamber, in filter chamber, be provided with filter screen.Outdoor fresh air enters filter chamber by being abated the noise by the spongiotic labyrinth passage of noise reduction, in the filter screen elimination dust inlet chamber in the filter chamber.
The utility model utilizes indoor/outdoor temperature-difference to realize the inner air and outer air exchange.The temperature difference is big more, and effect is good more.It need not any external energy, and therefore, it is consumed energy neither, can prevent that again indoor noise jamming and the dust of being subjected to from invading, and makes room air keep pure and fresh.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an A-A longitudinal profile schematic diagram among Fig. 1.
The specific embodiment:
By accompanying drawing as can be known, the utility model is mainly by air inlet outside plate 1, blow vent inner panel 3, cover plate 2, spacing frame 5, noise reduction sponge 6,8,9, filter screen 11 constitute up and down.Constitute the interchanger housing by air inlet outside plate 1, blow vent inner panel 3, upper and lower cover plate 2; By spacing frame 5 enclosure interior is separated into two sound-absorbing breather chamber X1, X2 and a filter chamber G; Be provided with the labyrinth passage that forms by noise reduction sponge 6,8,9 two sound-absorbing vent chamber; Filter screen 11 is installed on the keying sliding door 4 of blow vent inner panel 3 inboards.Air inlet outside plate 1, blow vent inner panel 3, cover plate 2 and spacing frame 5 all adopt aluminum alloy materials to make up and down.For avoiding room temperature to escape, between cover plate 2 and the air inlet outside plate 1 heat insulation strip 10 (working of plastics) is being housed up and down, outwards run off by interchanger with the blocking-up indoor temperature.For preventing that mosquito, little winged insect etc. from entering interchanger, can install filter screen 12 additional at the air inlet place of air inlet outside plate 1.Sequence number 7 is a seal weatherstrip among the figure.
Claims (3)
1, a kind of sound insulation fresh air interchanger, it is characterized in that: it comprises the interchanger housing that constitutes by air inlet outside plate, blow vent inner panel with the upper and lower cover plate that air inlet outside plate and blow vent inner panel link together and is located at two sound-absorbing breather chamber and filter chamber that is separated into by spacing frame in this housing, be provided with by the spongiotic labyrinth passage of noise reduction in the sound-absorbing vent chamber, in filter chamber, be provided with filter screen.
2, sound insulation fresh air interchanger as claimed in claim 1 is characterized in that: between cover plate and the air inlet outside plate heat insulation strip is being housed up and down.
3, sound insulation fresh air interchanger as claimed in claim 1, it is characterized in that: the air inlet place at the air inlet outside plate can install filter screen additional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02274125 CN2573923Y (en) | 2002-07-11 | 2002-07-11 | Sound insulation fresh air changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02274125 CN2573923Y (en) | 2002-07-11 | 2002-07-11 | Sound insulation fresh air changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2573923Y true CN2573923Y (en) | 2003-09-17 |
Family
ID=33738444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02274125 Expired - Fee Related CN2573923Y (en) | 2002-07-11 | 2002-07-11 | Sound insulation fresh air changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2573923Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059091A (en) * | 2015-07-24 | 2015-11-18 | 重庆长安汽车股份有限公司 | Balance device of in-car air pressure |
-
2002
- 2002-07-11 CN CN 02274125 patent/CN2573923Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059091A (en) * | 2015-07-24 | 2015-11-18 | 重庆长安汽车股份有限公司 | Balance device of in-car air pressure |
| CN105059091B (en) * | 2015-07-24 | 2017-06-30 | 重庆长安汽车股份有限公司 | A kind of in-car air-pressure balancing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |