CN100434820C - Ventilation system - Google Patents
Ventilation system Download PDFInfo
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- CN100434820C CN100434820C CNB2004100201469A CN200410020146A CN100434820C CN 100434820 C CN100434820 C CN 100434820C CN B2004100201469 A CNB2004100201469 A CN B2004100201469A CN 200410020146 A CN200410020146 A CN 200410020146A CN 100434820 C CN100434820 C CN 100434820C
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Abstract
The present invention relates to a ventilation system which comprises an air supply pipeline, an exhaust pipeline, a full heat exchanger, an air purifier for the air purification, a dust sensor, an air cleaning device, wherein the exhaust pipeline is crossed with the air supply pipeline, and indoor air is diverted to the room outsides under the exhaust fan action; the full heat exchanger is arranged in the cross position of the air supply pipeline and the exhaust pipeline and provided with a plurality of air supply passages which are communicated with the air supply pipeline and a plurality of exhaust passages which are communicated with the exhaust pipeline, the air passages are adjacent to the exhaust passages, and the air passages and the exhaust passages are isolated so as to cause air which is absorbed and air which is exhausted to mutually make the heat exchange; the air purifier for the air purification is arranged in the air supply pipeline and used for purifying outdoor air during the general ventilation; the dust sensor is arranged in the air supply pipeline and used for detecting the dust quantity of outdoor air; the air cleaning device is arranged in the air supply pipeline and used for selectively carrying out the purification when the outdoor air is cleaned and ventilated.
Description
Technical field
The present invention relates to a kind of air exchange system (Ventilation Systems).In more detail, air exchange system of the present invention adopts the heat transfer exchanged form, carries out heat exchange by air feed and exhaust in the mode of mutual cross flow one by total-heat exchanger, and can be cleaned into clean air to the outdoor air that is fed to total-heat exchanger.
Background technology
Air in the enclosure space, because of the respiration of life entity, as time goes by, its concentration of carbon dioxide can be increasing, brings obstacle for the breathing of life entity.Therefore in small spaces such as office or vehicle, assemble a lot of man-hours, need to ventilate to the interior space at any time.At this moment, use air exchange system usually.
The mode that the most existing air exchange system usually adopts is, utilize a pressure fan room air to outdoor mode of discharging by force.But, only room air is arranged when outdoor by a pressure fan, indoor cold air or hot gas are discharged outside directly thinking under without the situation of any processing, and outdoor air is by crack between a door and its frame or window crack, without under the situation of any heat exchange directly in the flowed into chamber, can waste like this and be used to the cost that freezes or heat.
In addition, in the time of in outside cold air or the rapid flowed into chamber of hot gas,, can allow indoor people feel under the weather because of the rapid variation of indoor temperature.In addition, be under the situation of the state of closing at indoor window or door, only room air row when the outside, be obstructed because of the inflow meeting of fresh air outside, might cause anoxic conditions, and can't regulate humidity at all.Therefore, even if having air exchange system, can not keep good indoor environment.
In order to address the above problem, heat transfer switch type air exchange system has been proposed.Heat transfer switch type air exchange system allows the outdoor air of inflow and the room air of discharge carry out heat exchange, feeds to the outdoor air after the heat exchange indoor then.
Fig. 1 is the air exchange system structure generalized schematic of conventional art.
As shown in Figure 1, shell 1 inside of carton shape is provided with steam line 10 and discharge duct 20.Steam line 10 is to indoor diversion chamber outer air.Discharge duct 20 intersects on a certain position with above-mentioned steam line 10, and to outdoor water conservancy diversion room air.
In addition, the position of above-mentioned steam line 10 and discharge duct 20 intersections is provided with total-heat exchanger 5.The outdoor air that flows into and the room air of discharge carry out heat exchange in total-heat exchanger 5.
Here, above-mentioned steam line 10 and discharge duct 20 are not subjected to the other side's influence under the effect of dividing plate 3, and dividing plate 3 becomes upper and lower two parts to shell 1 internal separation.
One end of above-mentioned steam line 10 is formed with and the outdoor air feed suction inlet 11 that is communicated with, and the other end is formed with and the indoor air feed outlet 13 that is communicated with.One end of above-mentioned discharge duct 20 is formed with and the indoor exhaust suction inlet 21 that is communicated with, and the other end is formed with and the outdoor exhaust outlet 23 that is communicated with.
The air feed of above-mentioned steam line 10 is discharged oral-lateral, is provided with air supply fan 15.Air supply fan 15 is the suction chamber outer air by force.Oral-lateral is discharged in the exhaust of above-mentioned discharge duct 20, is provided with exhaust fan 25.Exhaust fan 25 is discharged room air by force.
The last lower corner of above-mentioned total-heat exchanger 5 is supported by shell 1, and bight, the left and right sides is supported by dividing plate 3, has the lineal hexahedral shape.Above-mentioned total-heat exchanger 5 has many air feed path 5a and many exhaust channel 5b adjacent with above-mentioned air feed path 5a and that be communicated with discharge duct 20 that are communicated with steam line 10.
In addition, though do not illustrate, the adjacent regions of above-mentioned air feed path 5a and exhaust channel 5b is provided with the good heat exchange membranes of heat conduction efficiency (figure slightly).
Here, that solid line is represented is air feed path 5a, and that dotted line is represented is exhaust channel 5b.
Have the heat transfer switch type air exchange system of said structure, its course of work is as follows.
At first, when room air pollution arrived to a certain degree, above-mentioned exhaust fan 25 was switched on power supply.At this moment, room air flows to discharge duct 20 by exhaust suction inlet 21, and the exhaust channel 5b of the total-heat exchanger of flowing through is thought outer the discharge by outlet 23.
Meanwhile, above-mentioned air supply fan 15 is switched on power supply.At this moment, fresh outdoor air flows to steam line 10 by air feed suction inlet 11, and the air feed path 5a of the total-heat exchanger of flowing through is in air feed outlet 13 flowed into chamber.
Here, flow through the room air and the outdoor air of above-mentioned total-heat exchanger 5, carry out heat exchange by heat exchange membranes.
Comprise the existing heat exchange and the latent heat exchange that produce between the room air of the outdoor air of suction and discharge in the heat exchange that in above-mentioned total-heat exchanger 5, takes place.High temperature air in room air or the outdoor air is cooled to dew-point temperature (dew point temp) can generate condensed water when following, and the heat exchange that above-mentioned condensed water carried out is the latent heat exchange.
As mentioned above, in the heat transfer switch type air exchange system, indoorly be in refrigeration or when heating state, after the outdoor air of suction and room air carry out a heat exchange, in the flowed into chamber.Therefore, can prevent the rapid rising of indoor temperature or sharply decline.
In addition, must comprise multiple pollutants such as dust or other foreign matters in the outdoor air in the flowed into chamber.
This pollutant can flow to total-heat exchanger 5 with outdoor air, is accumulated in the fine air feed path 5a.
When pollutant was accumulated among the air feed path 5a of total-heat exchanger, the mobile meeting of outdoor air was subjected to sizable obstruction, caused the serious problems that flow reduces.
The problems referred to above not only cause the heat exchanger effectiveness of total-heat exchanger 5 to descend, but also cause the load of air supply fan 15 to increase, and cause power cost and rise.
In addition, exist pollutant to flow to indoor hidden danger, might produce baneful influence people's health.
In order to address the above problem, air cleaning filter 30 is installed on above-mentioned steam line 10 in the conventional art, the outdoor air that sucks is carried out 1 time filter.But air cleaner 30 at a low price can only filter a certain size dust, and other pollutants can also continue in the flowed into chamber.Therefore, do not obtain good effect.
In addition, the air cleaning filter (figure slightly) of the high price of being provided with is arranged also on above-mentioned steam line 10, outdoor air is filtered.But the air cleaning filter of high price has filtration device structure very closely, causes sucking air flow amount and descends.
Here, in order to improve the air feed air quantity, high-pressure fan (figure slightly) must be set.And high-pressure fan can produce sizable noise.
Summary of the invention
The present invention proposes in order to address the above problem, its purpose is for providing a kind of air exchange system, by the high-performance dust-collecting filter, to feeding to the outdoor contaminated air of air exchange system steam line, filter, cleaned air passes is fed to indoor, the noise that produces when reducing the purifying contaminated air simultaneously is for the user provides reliable product.
In order to achieve the above object, air exchange system of the present invention comprises that following steam line, discharge duct, total-heat exchanger, air cleaning filter, dust sensor, air purification device are feature.Steam line arrives indoor at following outdoor air water conservancy diversion of the effect of air supply fan.Discharge duct intersects with above-mentioned steam line, and under the effect of exhaust fan, arrives the room air water conservancy diversion outdoor.Total-heat exchanger is positioned at the position of steam line and discharge duct intersection, and be provided with many air feed paths that are communicated with steam line and many exhaust channels that are communicated with discharge duct, above-mentioned air feed path and exhaust channel is adjacent and isolated mutually allows the air of inhaled air and discharge carry out heat exchange mutually.Air cleaning filter is arranged in the above-mentioned steam line, when carrying out common ventilation outdoor air is purified.Dust sensor is arranged in the above-mentioned steam line, and the amount of dust of outdoor air is detected.Air purification device is arranged in the above-mentioned steam line, when outdoor air being carried out the air cleaning ventilation, optionally purifies.
Air exchange system of the present invention has air purification device, can be to the clean air of indoor supply.
In addition, by dust sensor is set, allow the work of high-performance dust-collecting filter, therefore can prolong the high-performance dust-collecting filter needn't be provided with high-pressure fan in the time of service life with being allowed a choice, eliminates the noise that high-pressure fan causes.
In addition, can allow above-mentioned air purification device work with being allowed a choice on demand, therefore can reduce power consumption, can obtain well-deserved reputation.
Description of drawings
Fig. 1 is the air exchange system structure generalized schematic of conventional art.
When Fig. 2 carries out common ventilation for the air exchange system of one embodiment of the invention, its structure generalized schematic.
When Fig. 3 ventilates for the air exchange system of one embodiment of the invention carries out air cleaning, the structure generalized schematic when the high-performance dust-collecting filter carries out work.
The critical piece description of reference numerals
10: discharge duct 11: the air feed suction inlet
13: air feed outlet 15: air supply fan
20: discharge duct 21: the exhaust suction inlet
23: exhaust outlet 25: exhaust fan
110: high-performance dust-collecting filter 120: motor
130: fixed-site projection 140: elastomeric element
200: dust sensor
The specific embodiment
Below,, to Fig. 3 structure of the present invention is elaborated with reference to Fig. 2.
Repetition in the explanation, the structure identical with conventional art quoted the symbol of traditional accompanying drawing.
When Fig. 2 carries out common ventilation for the air exchange system of one embodiment of the invention, its structure generalized schematic.When Fig. 3 ventilates for the air exchange system of one embodiment of the invention carries out air cleaning, the structure generalized schematic when the high-performance dust-collecting filter carries out work.
As shown in Figure 2, the air exchange system of one embodiment of the invention comprises steam line 10, discharge duct 20, total-heat exchanger 5, air cleaning filter 30, dust sensor 200, air purification device substantially.
Here, an end of above-mentioned steam line 10 is arranged on outdoor, and the other end and above-mentioned indoor the connection are used for to indoor supply room outer air.
The position, outside of above-mentioned steam line 10 is formed with air feed suction inlet 11, outdoor air is supplied to the path of above-mentioned steam line.The position that steam line 10 is communicated with the indoor is formed with air feed outlet 13, and the air in the above-mentioned steam line path is supplied to indoor.
Here, above-mentioned air feed suction inlet 11 is connected by above-mentioned air feed path 5a with air feed outlet 13.
In addition, in the above-mentioned steam line 10, be provided with air supply fan 15.Air supply fan 15 is drawn into outdoor air indoor by force.
One end of above-mentioned discharge duct 20 is communicated with indoor, and the other end is arranged on outdoor, is used for to outdoor discharge indoor pollution air.
The position that discharge duct 20 is communicated with the indoor is formed with exhaust suction inlet 21, the indoor pollution air is rejected to the path of discharge duct.The position, outside of above-mentioned discharge duct 20 is formed with exhaust outlet 23, the indoor pollution air in above-mentioned discharge duct 20 paths, to outdoor discharge.
Here, above-mentioned exhaust suction inlet 21 is connected by above-mentioned exhaust channel 5b with exhaust outlet 23.
In addition, in the above-mentioned discharge duct 20, be provided with exhaust fan 25.Exhaust fan 25 is discharged to room air outdoor by force.
Above-mentioned steam line 10 and discharge duct 20 are under the effect of dividing plate 3, and be unaffected mutually.Dividing plate 3 becomes the upper and lower part to the internal separation of shell 1.
In addition, above-mentioned total-heat exchanger 5 is positioned at the crossover sites of steam line 10 and discharge duct 20, allows between outdoor air and the indoor pollution air of discharging by discharge duct 20 by steam line 10 supply the generation heat exchange.
In addition, above-mentioned air cleaning filter 30 is arranged in the steam line 10, and above-mentioned outdoor air is purified.
Above-mentioned air cleaning filter 30 is the filters that use when carrying out common the ventilation.The outdoor air that is fed to above-mentioned steam line 10 is flowed through behind the air cleaning filter 30, is supplied to indoor.
Above-mentioned dust sensor 200 is arranged in the above-mentioned steam line 10, detects the dust content in the above-mentioned outdoor air.
Here, dust sensor 200 is arranged on, and flows through in the outdoor air path that flows above-mentioned air cleaning filter 30 backs to be advisable.
That is, by the outdoor air that above-mentioned steam line 10 flows into, flow through above-mentioned air cleaning filter 30 after, in flowed into chamber before, detected dust contents by above-mentioned dust sensor 200.
In addition, above-mentioned air purification device is arranged in the steam line 10, above-mentioned outdoor air is purified with being allowed a choice.
What is called purifies above-mentioned outdoor air with being allowed a choice and is meant following purification process.Outdoor air by air cleaning filter 30 filters flows through above-mentioned dust sensor 200.At this moment, the dust content in above-mentioned dust sensor 200 sensing chamber's outer air.
Here, above-mentioned air purification device, the outdoor air dust content according to above-mentioned dust sensor 200 detects carries out work.
In one embodiment of the invention, the outdoor air that above-mentioned air purification device is arranged on steam line 10 flows into side.
Above-mentioned air purification device comprises high-performance dust-collecting filter 110, motor 120, fixed-site projection 130, elastomeric element 140.
Above-mentioned high-performance dust-collecting filter 110 is arranged on the direction of outdoor air flows, purifies above-mentioned outdoor air.
Here, above-mentioned high-performance dust-collecting filter 110 is the filters that are used when carrying out the air cleaning ventilation, when carrying out the air cleaning ventilation, is rotated into the state vertical with the outdoor air flows direction.
Here, in order to rotate above-mentioned high-performance dust-collecting filter 110, motor 120 is set is advisable.
Above-mentioned motor 120 is positioned at a side of high-performance dust-collecting filter 110 in the embodiments of the invention.
In addition, in one embodiment of the invention, as high-performance dust-collecting filter 110, use fine mould (High Efficiency Particulate Arrestor:HEPA) filter or ultra tiny mould (UltraLow Penetration Absolute:ULPA) filter.
Here, the detergent power of above-mentioned fine mould filter self is, removing 99.97% more than or equal to particles such as 0.3 micron dust, bacterium, viruses.
Above-mentioned ultra tiny mould filter is higher than above-mentioned fine mould filter level.With filter area is that 0.3 micron fine mould filter is compared, and its filter area can reach 0.1～0.01 micron, can remove 99.999% to particles such as bacterium, virus, mould, pollen, radon cleavage product, various coal smokes.
Therefore, as high-performance dust-collecting filter 110, use fine mould filter or ultra tiny mould filter to be advisable.
Carry out above-mentioned air cleaning when ventilating, above-mentioned high-performance dust-collecting filter 110 turns to and the vertical position of above-mentioned outdoor air flows direction, at this moment, and the turned position of above-mentioned fixed-site projection 130 fixing above-mentioned dust-collecting filters 110.
In one embodiment of the invention, above-mentioned fixed-site projection 130 is arranged on the medial surface of steam line 10, be positioned at motor 120 opposites that are connected with above-mentioned high-performance dust-collecting filter 110, can firmly fix above-mentioned high-performance dust-collecting filter 110, allow above-mentioned high-performance dust-collecting filter 110 stop at the position of rotation.
Certainly, above-mentioned fixed-site projection can be arranged on, steam line 10 other positions except that motor 120 sides of living in.
In addition, above-mentioned elastomeric element 140 allows the high-performance dust-collecting filter 110 that rotates recover initial position.
That is, above-mentioned high-performance dust-collecting filter 110 carries out air cleaning and ventilates under the state after the rotation, and will carry out common ventilation the time, return to initial position.
At this moment, utilize the restoring force of above-mentioned elastomeric element 140, allow high-performance dust-collecting filter 110 return to original state.
Here, use extension spring to be advisable,, when above-mentioned high-performance dust-collecting filter 110 rotates, be stretched, when motor 120 cuts out, utilize restoring force to allow high-performance dust-collecting filter 110 return to original state so that drive at motor 120 as above-mentioned elastomeric element.
One end of above-mentioned elastomeric element 140 is connected the steam line 10 of motor 120 sides of living in, and the other end is connected the end that is not connected with motor 120 of above-mentioned high-performance dust-collecting filter 110.
As the device that allows high-performance dust-collecting filter 110 set back, adopted elastomeric element 140 in the embodiments of the invention.But also can adopt the either-rotation motor that can carry out positive and negative rotation, be applied as the tumbler of high-performance dust-collecting filter 110.
Air exchange system with said structure, its course of work is as follows.
At first, when room air become contaminated to a certain degree, carry out ventilating.When carrying out common ventilating, connect power supply for above-mentioned exhaust fan 25 and air supply fan 15, ventilate for indoor.
At this moment, as shown in Figure 2, under the effect of above-mentioned exhaust fan 25, the room air of pollution flows to discharge duct 20 by exhaust suction inlet 21, and flows through the exhaust channel 5b of total-heat exchanger, arranges to outdoor by outlet 23.
Meanwhile, under the effect of above-mentioned air supply fan 15, after outdoor air flow to steam line 10 by air feed suction inlet 11, the air feed path 5a of the total-heat exchanger 5 of flowing through was by in air feed outlet 13 flowed into chamber.
Above-mentioned outdoor air is supplied in the indoor process, is cleaned into clean air when flowing through air cleaning filter 30, in the flowed into chamber.
When carrying out common ventilation, if it is serious to flow through the outdoor air pollution level of air cleaning filter 30, then the dust content that detects according to dust sensor 200 will convert air vent mode to above-mentioned air cleaning air vent mode.
When carrying out the air cleaning ventilating, as shown in Figure 3, the dust content according to above-mentioned dust sensor 200 detects allows high-performance dust-collecting filter 110 carry out work.
Here, convert the air cleaning air vent mode to after, high-performance dust-collecting filter 110 is rotated under the turning effort of motor 120, is in and the vertical state of steam line 10 airflow directions.
At this moment, above-mentioned high-performance dust-collecting filter 110 is fixed by above-mentioned fixed-site projection 130.
After the air that contains foreign matter such as a large amount of dusts flows to above-mentioned steam line 10, purified by high-performance dust-collecting filter 110, in above-mentioned dust sensor 200 flowed into chamber of flowing through.
In addition, after above-mentioned air cleaning pattern finished, the motor 120 that is used to rotate high-performance dust-collecting filter 110 was cut off power supply.
At this moment, above-mentioned high-performance dust-collecting filter 110 returns to the position in the common air vent mode under the effect of elastomeric element 140.
In sum, above-mentioned air exchange system can utilize the dust content of dust sensor sensing chamber outer air, and according to dust content, allows high-performance dust-collecting filter 110 work with being allowed a choice.Thereby high-pressure fan needn't be set.
Therefore, the noise that produces in the time of can reducing air exchange system work.
Because can use above-mentioned high-performance dust-collecting filter, therefore can prolong the service life of high-performance dust-collecting filter with being allowed a choice.
Claims (5)
1, a kind of air exchange system is characterized in that, comprising: steam line, discharge duct, total-heat exchanger, air cleaning filter, dust sensor, air purification device;
Steam line arrives indoor at following outdoor air water conservancy diversion of the effect of air supply fan;
Discharge duct intersects with above-mentioned steam line, and under the effect of exhaust fan, arrives the room air water conservancy diversion outdoor;
Total-heat exchanger is positioned at the position of steam line and discharge duct intersection, and be provided with many air feed paths that are communicated with steam line and many exhaust channels that are communicated with discharge duct, above-mentioned air feed path and exhaust channel is adjacent and isolated mutually allows the air of inhaled air and discharge carry out heat exchange mutually;
Air cleaning filter is arranged in the above-mentioned steam line, when carrying out common ventilation outdoor air is purified;
Dust sensor is arranged in the above-mentioned steam line, and the amount of dust of outdoor air is detected;
Air purification device is arranged in the above-mentioned steam line, when outdoor air being carried out the air cleaning ventilation, optionally purifies;
Above-mentioned dust sensor is arranged on the outdoor air path behind the air cleaning filter of flowing through.
2, air exchange system according to claim 1 is characterized in that:
The outdoor air that above-mentioned air purification device is arranged on above-mentioned steam line flows into side.
3, air exchange system according to claim 1 is characterized in that:
Above-mentioned air purification device carries out work according to the dust content that dust sensor detects with being allowed a choice.
4, air exchange system according to claim 1 is characterized in that:
Above-mentioned air purification device comprises high-performance dust-collecting filter, motor, fixed-site projection, elastomeric element,
Above-mentioned high-performance dust-collecting filter is arranged on the direction of outdoor air flows, when carrying out the air cleaning ventilation, is rotated into the state vertical with the outdoor air flows direction, purifies above-mentioned outdoor air;
Motor is positioned at a side of high-performance dust-collecting filter, is used to rotate above-mentioned high-performance dust-collecting filter;
When the high-performance dust-collecting filter is rotated by motor, the position after the fixing above-mentioned high-performance dust-collecting filter of above-mentioned fixed-site projection rotates;
Elastomeric element can allow the high-performance dust-collecting filter after rotating set back.
5, air exchange system according to claim 4 is characterized in that:
As the high-performance dust-collecting filter, use good fine mould filter or the ultra tiny mould filter of dust collecting performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100201469A CN100434820C (en) | 2004-07-26 | 2004-07-26 | Ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100201469A CN100434820C (en) | 2004-07-26 | 2004-07-26 | Ventilation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1727782A CN1727782A (en) | 2006-02-01 |
| CN100434820C true CN100434820C (en) | 2008-11-19 |
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ID=35927198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100201469A Expired - Fee Related CN100434820C (en) | 2004-07-26 | 2004-07-26 | Ventilation system |
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| CN (1) | CN100434820C (en) |
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| CN101021352B (en) * | 2007-03-22 | 2012-02-29 | 海尔集团公司 | Indoor healthy air exchanging system |
| CN102777979B (en) * | 2008-12-24 | 2016-09-14 | 珠海格力电器股份有限公司 | There is the air-conditioner of air refreshing function |
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| CN104633904A (en) * | 2015-01-06 | 2015-05-20 | 广东美的制冷设备有限公司 | Air conditioner |
| EP3370002B1 (en) * | 2015-10-29 | 2020-03-11 | Mitsubishi Electric Corporation | Heat exchanging ventilation device |
| CN107380014A (en) * | 2017-08-11 | 2017-11-24 | 南京铁道职业技术学院 | A kind of protection device and its method for urban transportation rail current potential |
| JP6982727B2 (en) * | 2017-11-30 | 2021-12-17 | パナソニックＩｐマネジメント株式会社 | How to control the heat exchange type ventilation fan |
| CN109780632B (en) * | 2019-01-31 | 2021-05-28 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN109882935B (en) * | 2019-01-31 | 2021-09-14 | 广东美的制冷设备有限公司 | Control method and device for indoor unit of air conditioner and readable storage medium |
| CN109780633B (en) * | 2019-01-31 | 2021-02-26 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
| CN109882934B (en) * | 2019-01-31 | 2021-01-08 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
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| CN1727782A (en) | 2006-02-01 |
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