The ventilation system of air-conditioned room
Technical field
The present invention relates to a kind of ventilation system, particularly a kind of ventilation system of air-conditioned room.
Background technology
Along with going from bad to worse of growth in the living standard and external environment, the time that people stay in the air-conditioned room is more and more, in order to reduce the external radiation loss of air-conditioned room as far as possible; The sealing requirements in room constantly is being improved; But when the temperature in room had been reduced, the fresh air that gets into the room was reducing, like this owing to lack new wind; Formed so-called " morbid state building syndrome ", little by little the physical and mental health of affect people's.
In order to improve indoor air quality, must be to indoor feeding fresh air.Mainly contain two kinds of forms at present: the one, the feeding fresh air of directly windowing, and utilize window to discharge indoor air will increase the load of room air conditioner like this, and the power consumption of air-conditioning increases, and not only uneconomically also wastes energy; The 2nd, deliver to after letting fresh air handle indoor again through new blower fan group; Realize that to indoor feeding fresh air new wind has consumed electric energy in processing procedure, do not reach energy-conservation purpose; And this mode only is applicable to the room that area is bigger, just is not suitable for for middle-size and small-size room.
All be to adopt split-type air conditioner for middle-size and small-size room at present, owing to there is not the introducing of new wind, the air quality in room is on duty mutually.Given this, people are constantly seeking and can improve the method that indoor air quality can reach energy-conservation purpose again.Like notification number is that the patent documentation of CN201476212U discloses a kind of H type band and stores passive from fitting energy-saving fresh air system; Though this system can be to the new wind of indoor feeding under the condition of consumes energy not; But only be applicable in the room or the ventilation of transition season that does not have air-conditioning; Because it was not both handled the new wind of sending into, the energy of the wind of discharging is not reclaimed yet.Notification number is that the patent documentation of CN201297735Y discloses a kind of air interchanger with heat recovery function; Though this device can be recycled energy of exhaust air to the new wind of indoor feeding the time; But air intake passage and air exhaust passage in the device are to be separated by the nanometer micropore heat exchange diaphragm that macromolecular material is processed; The pernicious gas molecule that exists in the air draft may with new wind carry out heat exchange the time get into and sent into indoorly in the new wind once more, do not reach the purpose of improving indoor air quality, this device must use blower fan to blow when operation in addition; Consume additional electric energy, can not reach purpose of energy saving well.
Summary of the invention
In view of this, the invention provides a kind of ventilation system of air-conditioned room, fully recycling the energy of the wind of discharge to indoor when new wind is provided, and need not to consume additional electric energy, reach energy-conservation purpose.
The ventilation system of air-conditioned room of the present invention; Comprise the casing that is used to be communicated with the air-conditioned room indoor and outdoor; Have air draft air inlet and new wind air outlet on the indoor of said casing, have air draft air outlet and new wind air inlet on the outside of casing, be provided with heat exchanger plates in the said casing; Said heat exchanger plates is divided into two air channels with cabinets cavity; One of them air channel is the exhausting duct that air draft air inlet, casing, heat exchanger plates and air draft air outlet are formed, and another air channel is the fresh flue that new wind air inlet, casing, heat exchanger plates and new wind air outlet are formed, and said air draft air outlet is communicated with an air inlet of air-conditioner outdoor unit.
Further; Be provided with the deep bead I between new wind air inlet and the new wind air outlet in the said fresh flue; Said deep bead I is divided into the two parts that are interconnected with the fresh flue, and the cross section of the fresh flue part at new wind air inlet place is greater than the cross section of the fresh flue part at new wind air outlet place; Be provided with the deep bead II between air draft air inlet and the air draft air outlet in the said exhausting duct; Said deep bead II is divided into the two parts that are interconnected with exhausting duct, and the cross section of the exhausting duct part at air draft air inlet place is greater than the cross section of the exhausting duct part at air draft air outlet place;
Further, an end of said deep bead I is connected with casing, and the other end is provided with the arc flow deflector I to new wind air outlet one side bending, and an end of said deep bead II is connected with casing, and the other end is provided with the arc flow deflector II to the one side bending of air draft air outlet;
Further; The area of said new wind air outlet is less than the area of air draft air inlet; And the position of new wind air outlet is lower than the position of air draft air inlet, and the area of said new wind air inlet is greater than the area of air draft air outlet, and the position of new wind air inlet is lower than the position of air draft air outlet;
Further, said air draft air outlet is communicated with an air inlet of air-conditioner outdoor unit through pneumatic hose, and said pneumatic hose is provided with volume damper;
Further, said air draft air inlet, air draft air outlet, new wind air inlet and new wind air outlet place are provided with grid respectively;
Further, said new wind air outlet place is provided with low efficient filter;
Further, said cabinet wall is provided with insulation material;
Further, two of said heat exchanger plates surfaces are the ripple glaze convex-concave surface;
Further, also comprise the cooling tube that is arranged in the fresh flue, said cooling tube is communicated with the condensate pipe of air-conditioning.
Beneficial effect of the present invention is: when operation of air conditioner, the fan of air-conditioner outdoor unit is opened, and extracts the air in the air draft air outlet out through fan; Air draft air outlet place is with respect to indoor formation negative pressure, provides power to make the air in the exhausting duct begin to flow for the air in exhausting duct, and can keep flowing of air in the exhausting duct; Because indoor air is discharged from; Then there is pressure reduction in indoor and outdoor, and outdoor new wind has first power also to begin to flow, and passes through in the inlet chamber of fresh flue from new wind air inlet; Realized the outside air draft of air-conditioned room like this and, reached the purpose that improves the air quality in the air-conditioned room to indoor Natural Circulation of leading to new wind; The present invention provides system's air channel air mobile power by the rotation of fan of outdoor unit of air conditioner, need not the extra blower fan that is provided with, and need not to consume additional electric energy, reaches energy-conservation purpose; Simultaneously, the air that is discharged from and the new wind that is admitted to carry out heat exchange through heat exchanger plates in the air channel, thereby have realized the recycling to the energy of the air that is discharged from; In addition; Because the air ratio outside air temperature of discharging from the air draft air outlet is low or high, after passing through fan is extracted out, the condenser of air-conditioning is cooled off or heat, the present invention can also improve the heat exchange efficiency of the condenser of air-conditioning; Improve the COP value of air-conditioning, have promotion and application prospect preferably.
Description of drawings
In order to make the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that the present invention is made further detailed description below, wherein:
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the indoor of casing in the embodiment of the invention 1;
Fig. 3 is the structural representation of the embodiment of the invention 2.
The specific embodiment
Below will carry out detailed description to the preferred embodiments of the present invention with reference to accompanying drawing.
Embodiment 1
Fig. 1 is the structural representation of the embodiment of the invention 1; Fig. 2 is the structural representation of the indoor of casing in the embodiment of the invention 1, and is as shown in the figure, the ventilation system of the air-conditioned room of present embodiment; Comprise the casing 1 that is used to be communicated with the air-conditioned room indoor and outdoor; Have air draft air inlet 5 and new wind air outlet 8 on the indoor of said casing 1, have air draft air outlet 6 and new wind air inlet 7 on the outside of casing 1, be provided with heat exchanger plates 4 in the said casing 1; Said heat exchanger plates 4 is divided into two air channels with casing 1 inner chamber; One of them air channel is the exhausting duct that air draft air inlet 5, casing 1, heat exchanger plates 4 and air draft air outlet 6 are formed, and another air channel is the fresh flue that new wind air inlet 7, casing 1, heat exchanger plates 4 and new wind air outlet 8 are formed, and said air draft air outlet 6 is communicated with an air inlet 16 of air-conditioner outdoor unit 13.Other air inlet of air-conditioner outdoor unit 13 is still from the outdoor air air intake; The shell of casing 1 can use metal material to process, and should have certain anti-pressure ability; Heat exchanger plates 4 should have high heat-conducting property, and heat exchanger plates 4 keeps better seal property with the junction of casing 1 when mounted.
When operation of air conditioner, the fan 15 of air-conditioner outdoor unit 13 is opened, and extracts the air in the air draft air outlet 6 out through fan 15; Air draft air outlet 6 places are with respect to indoor formation negative pressure, provide power to make the air in the exhausting duct begin to flow for the air in exhausting duct, and can keep flowing of air in the exhausting duct; Because indoor air is discharged from; Then there is pressure reduction in indoor and outdoor, and outdoor new wind has first power also to begin to flow, and passes through in the inlet chamber of fresh flue from new wind air inlet 7; Realized the outside air draft of air-conditioned room like this and, reached the purpose that improves the air quality in the air-conditioned room to indoor Natural Circulation of leading to new wind; Power by the rotation of the fan 15 of air-conditioner outdoor unit 13 provides system's air channel air to flow need not the extra blower fan that is provided with, and need not to consume additional electric energy, reaches energy-conservation purpose; Simultaneously, the air that is discharged from carries out heat exchange, summer in the air channel through heat exchanger plates 4 with the new wind that is admitted to; The air that is discharged from passes to new wind with cold; In winter, the air that is discharged from is the new wind of heat transferred, thereby realized the recycling to the energy of the air that is discharged from.
In addition, when air-conditioning in when refrigeration because the air themperature of discharging from air draft air outlet 6 is lower than outside air temperature, the condenser to air-conditioning after passing through fan 15 is extracted out cools off, and can improve the heat exchange efficiency of condenser; When air-conditioning when heating because the air themperature of discharging from air draft air outlet 6 is higher than outside air temperature, the condenser to air-conditioning after passing through fan 15 extractions heats, and can improve the heat exchange efficiency of condenser equally, all can improve the COP value of air-conditioning.
Further improvement as technique scheme; Be provided with deep bead I 3 between new wind air inlet 7 and the new wind air outlet 8 in the said fresh flue; Said deep bead I 3 is divided into the two parts that are interconnected with the fresh flue, and the cross section of the fresh flue part at new wind air inlet 7 places is greater than the cross section of the fresh flue part at new wind air outlet 8 places; Be provided with deep bead II 2 between air draft air inlet 5 and the air draft air outlet 6 in the said exhausting duct; Said deep bead II 2 is divided into the two parts that are interconnected with exhausting duct, and the cross section of the exhausting duct part at air draft air inlet 5 places is greater than the cross section of the exhausting duct part at air draft air outlet 6 places; Can get by the conservation of mass; The wind speed that in the exhausting duct part at air draft air inlet 5 places, flows is littler than the wind speed that in the exhausting duct part at air draft air outlet 6 places, flows; And can get according to Bernoulli's theorem; The local internal pressure that wind speed is big in the airduct is little, and there are pressure reduction in air draft air inlet 5 and air draft air outlet 6 like this, can promote the air of being arranged in exhausting duct, to flow through naturally and gets in the air draft air outlet 6; In like manner, in the fresh flue, there is pressure reduction in new wind air inlet 7 with new wind air outlet 8, thereby can promote outdoor ozone in the fresh flue, to flow to be sent to indoor.Technique scheme has been utilized the principle in the hydrodynamics, through changing air velocity and pressure, has accelerated flowing of system's air channel air.
Further improvement as technique scheme; One end of said deep bead I 3 is connected with casing 1; The other end is provided with the arc flow deflector I 12 to new wind air outlet 8 one side bendings; One end of said deep bead II 2 is connected with casing 1, and the other end is provided with the arc flow deflector II 18 to the 6 one side bendings of air draft air outlet; The effect that air flowing plays to dredge in flow deflector I 12 and 18 pairs of air channels of flow deflector II can reduce air stream resistance around the corner, improves the operational efficiency of air stream.
Further improvement as technique scheme; The area of said new wind air outlet 8 is less than the area of air draft air inlet 5; And the position of new wind air outlet 8 is lower than the position of air draft air inlet 5; The area of said new wind air inlet 7 is greater than the area of air draft air outlet 6, and the position of 7 mouthfuls of new wind air intakes is lower than the position of air draft air outlet 6; Indoor, air is because the interior heat of absorption chamber back temperature raises, and density diminishes; Thereby it is mobile to hoist naturally; Get into air draft air inlet 5 and discharge outdoorly from air draft air outlet 6 naturally, so new wind is fully replaced at indoor and indoor original air, reaches the purpose of raising indoor air quality.
As the further improvement of technique scheme, said air draft air outlet 6 is communicated with an air inlet 16 of air-conditioner outdoor unit 13 through pneumatic hose 14, and said pneumatic hose 14 is provided with volume damper 17; When the indoor fresh air that need feed changes, can regulate the intake that gets into air-conditioner outdoor unit 13 through volume damper 17, and then regulate the exhaust air rate in the air draft air outlet 6, owing to the effect of indoor and outdoor pressure reduction, feed indoor resh air requirement thereby regulate.
As the further improvement of technique scheme, said air draft air inlet 5, air draft air outlet 6, new wind air inlet 7 and new wind air outlet 8 places are provided with grid 9 respectively; Grid 9 is used to prevent that the bird worm from getting into the air channel of stopping up the inside in the casing through the air port.
As the further improvement of technique scheme, said new wind air outlet 8 places are provided with low efficient filter 10; The new wind of 10 pairs of feedings of low efficient filter is handled; Grid 9 all can be dismantled with low efficient filter 10, conveniently cleans.
As the further improvement of technique scheme, said casing 1 inwall is provided with insulation material 11; Can reduce flow air generation heat exchange in air channel surrounding air and the air channel like this, thereby influence feeds indoor new wind.
As the further improvement of technique scheme, two surfaces of said heat exchanger plates 4 are the ripple glaze convex-concave surface; Can strengthen the heat exchange area of the air stream of heat exchanger plates 4 both sides like this, make air flowing fully carry out heat exchange, improve the heat recovery efficiency of air.
Embodiment 2
Fig. 3 is the structural representation of the embodiment of the invention 2; As shown in the figure; The difference of present embodiment and embodiment 1 only is: the ventilation system of the air-conditioned room of present embodiment also comprises the cooling tube 19 that is arranged in the fresh flue, and said cooling tube 19 is communicated with the condensate pipe of air-conditioning; , condensed water that the evaporimeter of indoor apparatus of air conditioner produces can feed in the cooling tube 19 before being discharged from; Because the temperature of condensed water is generally low than outdoor air; The new wind that feeds also can with condensed water generation heat exchange; From cooling tube 19, discharge after the new wind generation heat exchange of condensed water and feeding, so not only can carry out cooling processing to the new wind that feeds, the new wind that makes feeding is more near indoor comfort temperature; Can also recycle the cold of condensed water, can reach purpose of energy saving; Cooling tube 19 usefulness heat conductivilitys material are preferably processed, and can improve the heat exchanger effectiveness of the new wind of condensed water and feeding.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although through invention has been described with reference to the preferred embodiments of the present invention; But those of ordinary skill in the art should be appreciated that and can make various changes to it in form with on the details, and the spirit and scope of the present invention that do not depart from appended claims and limited.