Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is to overcome the existing air interchanger can not to the defect of space make-up fresh air, it is provided that a kind of air interchanger with fresh air function.
For reaching above-mentioned purpose, the air interchanger with fresh air function of the present invention, including casing, blower fan, described casing has indoor air inlet, indoor air outlet, outdoor air inlet, outdoor exhaust outlet, described blower fan is positioned at the inner chamber of described casing, it is characterized in that: described blower fan includes spiral case, it is positioned at the two-way centrifugal wind wheel of described spiral case, for the motor driving described two-way centrifugal wind wheel to rotate, described spiral case has the inlet scoop of the open inner chamber at described casing, connect the air channel, indoor of described indoor air outlet, connect the air channel, outside of described outdoor exhaust outlet, described outdoor air inlet is through the inlet scoop described in the inner space of described casing, the inner chamber of described casing is provided with the rotary air valve driven by transposition motor, replaced described indoor air inlet by rotating of described rotary air valve, the inlet scoop obstruct that outdoor air inlet is selective and described.
As optimization technique means: the inner chamber of described casing includes lower floor's inlet plenum of corresponding described blower fan height and higher than the upper strata inlet plenum of described blower fan, described inlet scoop is towards described upper strata inlet plenum.
As optimization technique means: described lower floor's inlet plenum is isolated into the separate chamber of corresponding each described air inlet, and described rotary air valve is positioned at described upper strata inlet plenum.
As optimization technique means: described rotary air valve includes circular arc wall and is connected to the spoke of described circular arc wall one end, connection rotating shaft on described spoke.
As optimization technique means: described spiral case includes an air gathering plate, and described inlet scoop is formed on described air gathering plate, and described air gathering plate is provided with annular groove, and the other end of described circular arc wall is positioned at described annular groove.
As optimization technique means: described spoke is in fan-shaped tabular.
As optimization technique means: the inner chamber of described casing is provided with the dividing plate coordinating described rotary air valve to be intercepted inlet scoop selective and described for described at least two air inlet.
As optimization technique means: described casing includes panel, described indoor air inlet is or/and indoor air outlet is positioned on described panel.
The invention has the beneficial effects as follows: by configuring indoor air inlet on casing, indoor air outlet, outdoor air inlet, outdoor exhaust outlet, and at the inner chamber configuration two-way blower fan of casing, the spiral case of blower fan has the open inlet scoop at cabinets cavity, the air channel, indoor of air outlet in communication chamber, the air channel, outside of the outer exhaust outlet of communication chamber, outdoor air inlet is through the inner space inlet scoop of casing, the inner chamber of casing is provided with the rotary air valve driven by transposition motor, replaced indoor air inlet by the rotation of rotary air valve, outdoor air inlet optionally intercepts with inlet scoop, make the air inlet being blocked can not to volute of blower inlet scoop air intake, can to volute of blower inlet scoop air intake without the air inlet being blocked, thus, the operative orientation (air draft direction) being aided with two-way blower fan can make this air interchanger work in ventilatory state or new wind state, it is achieved a machine dual-purpose, offers convenience for installing, and saves cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of structure of air interchanger of the present invention;
Fig. 2 is the schematic diagram of another duty of structure shown in Fig. 1;
Fig. 3 is the facade structures schematic diagram of rotary air valve of the present invention;
Number in the figure illustrates:
01-casing: 11-indoor air outlet, 12-outdoor air inlet, 13-outdoor exhaust outlet, 14-lower floor inlet plenum, 15-upper strata inlet plenum, 16-dividing plate;
02-blower fan: 21-spiral case, the two-way centrifugal wind wheel of 22-, 23-motor, 24-inlet scoop, air channel, 25-indoor, air channel, 26-outside, 27-air gathering plate, 28-annular groove;
03-transposition motor;
04-rotary air valve: 41-circular arc wall, 42-spoke.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention will be further described.
As shown in Figure 1-2, the air interchanger with fresh air function of the present invention, including casing 01, blower fan 02:
Casing 01 has indoor air inlet (in order to express blower fan in figure, indoor air inlet is not illustrated), indoor air outlet 11, outdoor air inlet 12, outdoor exhaust outlet 13, indoor air inlet enters cabinets cavity in order to make the air of indoor, indoor air outlet is in order to indoor exhaust wind, outdoor air inlet is in order to make the air of outdoor enter cabinets cavity, and outdoor exhaust outlet is in order to outdoor air draft; Outdoor air inlet, outdoor exhaust outlet are connected to outdoor (as shown in the figure) each through airduct; And indoor air inlet, indoor air outlet both can be connected to the appropriate location (appropriate location such as indoor suspended ceiling) of indoor by airduct, it is possible to be directly arranged on the panel of casing;
Blower fan 02 is positioned at the inner chamber of casing 01, blower fan 02 includes spiral case 21, it is positioned at the two-way centrifugal wind wheel 22 of spiral case, for the motor 23 driving two-way centrifugal wind wheel to rotate, spiral case 21 has the open inlet scoop 24 at cabinets cavity, the air channel, indoor 25 of air outlet 11 in communication chamber, the air channel, outside 26 of the outer exhaust outlet 13 of communication chamber, therefore, this blower fan becomes two-way blower fan, namely difference is turned to along with two-way centrifugal wind wheel, the air draft direction of blower fan is also different, as shown in Figure 1 when two-way centrifugal wind wheel 22 rotationally clockwise time, the air-flow entering spiral case from inlet scoop 24 is discharged through indoor air outlet 11, as shown in Figure 2 when two-way centrifugal wind wheel 22 counterclockwise rotates, the air-flow entering spiral case from inlet scoop 24 is discharged through outdoor exhaust outlet 13,
Outdoor air inlet 12 is through the inner space inlet scoop 24 of casing;
The inner chamber of casing 01 is provided with the rotary air valve 04 driven by transposition motor 03, replaced by the rotation of rotary air valve 04 and indoor air inlet, outdoor air inlet are optionally intercepted with inlet scoop 24, make the air inlet being blocked can not to volute of blower inlet scoop air intake, can to volute of blower inlet scoop air intake without the air inlet being blocked; Thus, the operative orientation (air draft direction) being aided with two-way blower fan can make this air interchanger work in ventilatory state or new wind state, it is achieved a machine dual-purpose, offers convenience for installing, and saves cost.
It is positioned at right side when rotary air valve 04 as shown in Figure 1 and indoor air inlet and inlet scoop 24 are intercepted so that indoor air inlet can not to inlet scoop 24 air intake of volute of blower, and outdoor air inlet 12 can to volute of blower inlet scoop 24 air intake; Now, two-way centrifugal wind wheel 22 rotationally clockwise time, outdoor air enters spiral case through outdoor air inlet 12, the inner chamber of casing, inlet scoop 24, finally discharges through indoor air outlet 11, indoor supplement new wind; Air interchanger works in new wind state; In order to the air come in outdoor is filtered, arranges in casing and discharge then through indoor air outlet 11 after the air that defecator allows outdoor come in flows through defecator.
It is positioned at left side when rotary air valve 04 as shown in Figure 2 and outdoor air inlet 12 and inlet scoop 24 are intercepted so that outdoor air inlet can not to the inlet scoop air intake of volute of blower, and indoor air inlet can to the inlet scoop air intake of volute of blower; Now, when two-way centrifugal wind wheel 22 counterclockwise rotates, room air enters spiral case through indoor air inlet, the inner chamber of casing, inlet scoop, finally discharges through outdoor exhaust outlet 13, is discharged by room air and realizes ventilation; Air interchanger works in ventilatory state.
Therefore, control the turning to of motor by electric control system, the rotational angle (such as motor) of transposition motor can make two-way centrifugal wind wheel coordinate with rotary air valve, make air interchanger work in ventilatory state or new wind state.
Concrete, the inner chamber of casing includes lower floor's inlet plenum 14 of corresponding blower fan height and higher than the upper strata inlet plenum 15 of blower fan, and inlet scoop is towards upper strata inlet plenum. But, here the technical characteristic such as " upper strata inlet plenum ", " the lower floor's inlet plenum ", " being higher than " etc. that limit with orientation word are only describe with reference to diagram, state when representative products is not specifically installed, and when specifically installing, it is possible to according to practical structures, product design is become various mounting means.
Further, for compact conformation and the sealing ensureing structure, lower floor's inlet plenum is isolated into the separate chamber of corresponding each air inlet, and rotary air valve is positioned at upper strata inlet plenum.
Concrete, the sidewall of the adjacent casing of spiral case in figure and lower floor's inlet plenum is isolated into the separate chamber of corresponding each air inlet, such structure increases the specification of blower fan as much as possible and makes blower fan have enough power. When being embodied as, it would however also be possible to employ other structural member (such as dividing plate) realizes isolation.
In order to adapt to the motion of rotary air valve, rotary air valve 04 includes circular arc wall 41(and is shaped like the half tube wall of pipe) and it is connected to the spoke 42 of circular arc wall one end (upper end shown in Fig. 3), connection rotating shaft on spoke, the output shaft that rotating shaft is conversion motor of diagram, by the control to motor, as adopted motor, then can make the specific angle of electric machine rotation, substantially have rotated 180 �� as rotary air valve goes to state shown in Fig. 2 from state shown in Fig. 1.
Referring to Fig. 3, for the ease of air-flow is directed into spiral case, spiral case includes an air gathering plate 27, and inlet scoop 24 is formed on air gathering plate, and air gathering plate is provided with annular groove 28, and the other end (lower end shown in Fig. 3) of circular arc wall 41 is positioned at annular groove 28. Annular groove 28, except the rotation of circular arc wall is had guiding function, also has the effect avoiding herein leaking gas.
In order to increase the intensity of air door, spoke 42 is in fan-shaped tabular, and this shape can also increase the effect of air door isolation air-flow. Under gastight premise, spoke can also is that other shape, such as dome shape.
In order to simplify the structure of rotary air valve, the inner chamber of casing is provided with the dividing plate 16 coordinating rotary air valve to be intercepted in selective for two air inlets and inlet scoop.
Casing includes panel, and indoor air inlet is or/and indoor air outlet is positioned on panel, and the air interchanger of this structure when mounted, makes panel be positioned at indoor.