CN2715027Y - Ventilator - Google Patents
Ventilator Download PDFInfo
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- CN2715027Y CN2715027Y CN 200420005315 CN200420005315U CN2715027Y CN 2715027 Y CN2715027 Y CN 2715027Y CN 200420005315 CN200420005315 CN 200420005315 CN 200420005315 U CN200420005315 U CN 200420005315U CN 2715027 Y CN2715027 Y CN 2715027Y
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Abstract
Disclosed is a ventilator, which realizes the reduction of the input of the fan motor and the inhibition of the ventilating sound by inhibiting the air from leaking from the gaps. The ventilator is provided with a ventilating fan unit 3 and an antivibrator unit 4. The antivibrator unit 4 is provided with an antivibrator main body 16 which is provided with a first opening 24 and the footwall 21 and the lateral wall 22 of the second opening 25, and the opening face 16 c is allocated into the state approaching and opposite to the faucet plate 8, meanwhile, the first opening 24 is provided with a tubular part 26 whose upper end face 26 a does not exceed the opening face 16 c. According to such structure, when the air inlet operating, the utility model utilizes the effect that a tiny interstitial primary seal structure which is formed by that the upper end face 26 an of the tubular part 26 approaches and is opposite to the faucet plate 8 multiplies by a tiny interstitial secondary seal structure which is formed by that the opening face 16 c of the antivibrator main body 16 approaches and is opposite to the faucet plate 8, realizing the inhibition of the increase in the input of the fan motor resulted from the air leakage and the inhibition of the ventilating sound.
Description
Technical field
The utility model relates to a kind of structure of air interchanger, and this air interchanger can carry out outdoor air is sent into indoor air inlet running and room air is discharged to the switching that outdoor exhaust is turned round as required.
Background technology
In the past, as a link of room conditioning, known have a following technology, sucks the damping device of moisture from outdoor air in the outdoor pusher side setting of the air conditioner with indoor set and off-premises station, by outdoor air being sent into the indoor indoor humidity regulation (for example, with reference to patent documentation 1) of carrying out.In this damping device, owing to have fan, when not needing humidification, can utilize function to indoor supply chamber outer air, carry out indoor ventilation.
; the gas exchange action that uses this damping device be outdoor air is sent into indoor; be discharged to dirty room air outdoor; for example; though high state (in other words in the indoor cleaning degree school; the state that the dustiness of room air is low) down effectively; but (in other words at the state that causes the cleannes of room air to reduce greatly because of smoking etc.; the state that the dustiness of room air is high) under; by the air in the supply chamber contaminated room air is expressed into the outdoor spended time that then needs, aspect the cleannes of recovering room air rapidly problem is being arranged.
As a method handling this problem, for example can consider to use ventilation fan, but different with air conditioner, be arranged on common this ventilation fan that plan is set of not doing indoorly, can cause the increase of mounting costs such as construction cost, it is desired to say so.When this situation, as damping device etc., in having the device of single fan, damper elements is set thereon, stream by this damper elements switches, this fan select to use be air inlet with and exhaust usefulness, even for example under the high situation of the dustiness of room air, also can consider by contaminated air attraction is discharged to the outdoor gas exchange action that promotes.Particularly, action by damper elements makes the porting in the communication chamber optionally be communicated with the air inlet side and the exhaust side of fan, the exhaust side that for example when air inlet is turned round, above-mentioned porting is connected said fans, in the outdoor air supply chamber that blows out from this exhaust outlet, on the other hand, when exhaust is turned round, above-mentioned porting is connected the air inlet side of said fans, attract to discharge room air by said fans.
, when utilizing damper elements to switch air inlet running and exhaust running like this, for example, adopt usually to make basket dampener body approaching and relative, and make its surface direction make the structure that relatively moves along this bellmouth plate with the bellmouth plate of said fans.When dampener body and bellmouth plate are relatively moved, from preventing that dust and dust from entering viewpoint such as the two opposed gap and considering, need be set as size more than or equal to a certain degree to this gap.
But under by the low situation of the static pressure of above-mentioned gap leaked-in air stream, because few from the air leakage rate in this gap, the ventilation sound that is the cause generation with this air leakage is little, is considered to not special obstruction on reality is used.
Yet, when above-mentioned air stream during, become many from the air leakage rate in above-mentioned gap for the high static pressure of little air quantity, accompany with it with the air leakage be the ventilation sound of cause become big after, just can not guarantee the to have taken a breath quietness that turns round.In addition, owing to be little air quantity, air leaks the influence that brings to the fan required drive and becomes big, has the problem that causes fans drive to increase with the motor input.
In addition, though be not that to leak with the air that suppresses to come the gap between two parts that comfortable opposed state does down to relatively move be purpose, but as the increase of the fan motor input of leaking with the air that suppresses to result from from the mutual gap of fixed part and the increase of ventilation sound is the damping device of purpose, and patent documentation 2 shown devices are arranged.
In addition, few from the air leakage in this gap when the static pressure of air capacity hangs down, produce ventilation sound hardly, so for example patent documentation 3 shown devices are effective, but be not suitable for the occasion of the high static pressure of little air quantity.
The utility model content
Therefore, the purpose of this utility model is, adopt simple and cheap structure, reduce the air leakage rate that switches the minim gap at position from stream as much as possible, thereby realize importing and reducing the running funds and be that the ventilation sound of cause is accomplished quiet running by suppressing with the air leakage by reducing fan motor.
The concrete grammar that is used to solve this problem in the utility model is to adopt following structure.
The air interchanger of the application's the 1st utility model has: ventilation fan unit 3, and it relatively disposes blast fan 7 with fan air intake 9 and constitutes by the side at the bellmouth plate 8 with this fan air intake 9 and windthroat 10; With damper elements 4, have the 1st opening 24 and the 2nd opening 25, and with near the opposite side of state configuration at above-mentioned bellmouth plate 8, when this opposite side is with said fans air inlet 9 and windthroat 10 isolation, surface direction at this bellmouth plate 8 relatively moves, thereby can select to make above-mentioned porting 11 be communicated with the air inlet running of said fans exhaust outlet 10 by above-mentioned the 1st opening 24, turn round with the exhaust that makes above-mentioned porting 11 be communicated with said fans air inlet 9 by above-mentioned the 2nd opening 25, it is characterized in that, above-mentioned damper elements 4 has dampener body 16, this dampener body 16 roughly is basket, have the diapire 21 that is provided with above-mentioned the 1st opening 24 and the 2nd opening 25 and center on this diapire 21 sidewall 22 on every side, and be configured to make its opening surface 16c and above-mentioned bellmouth plate 8 approaching and relative states, simultaneously in above-mentioned the 1st opening 24 parts cartridge 26 is set, this cartridge 26 is configured to extend to above-mentioned opening surface 16c one side from this part, and the height of its upper surface 26a is no more than this opening surface 16c.
The application's the 2nd utility model is the air interchanger that relates to according to above-mentioned the 1st utility model, it is characterized in that, the above-mentioned sidewall 22 of above-mentioned dampener body 16 is made labyrinth seal structure.
The application's the 3rd utility model is the air interchanger that relates to according to the above-mentioned the 1st or the 2nd utility model, it is characterized in that, the gap size between the upper surface 26a of above-mentioned cartridge 26 and the above-mentioned bellmouth plate 8 is set in 0.2～1.5mm scope.
The application's the 4th utility model is the air interchanger that relates to according to above-mentioned the 1st, the 2nd or the 3rd utility model, it is characterized in that, makes above-mentioned cartridge 26 be formed up to above-mentioned the 1st opening 24 of major general and is contained in its inner structure.
The application's the 5th utility model is the air interchanger that relates to according to above-mentioned the 4th utility model, it is characterized in that, makes above-mentioned cartridge 26 form circular cross sectional shape.
The application's the 6th utility model is the air interchanger that relates to according to above-mentioned the 1st, the 2nd, the 3rd, the 4th or the 5th utility model, it is characterized in that, inner peripheral surface near upper surface 26a is formed towards this upper surface 26a and the conical surface of hole enlargement displacement.
The application's the 7th utility model is the air interchanger that relates to according to above-mentioned the 1st, the 2nd, the 3rd, the 4th, the 5th or the 6th utility model, it is characterized in that the air inlet upstream side position configuration damping device Q of the said fans air inlet 9 when air inlet is turned round.
The air interchanger of the application's the 8th utility model has: ventilation fan unit 3 is provided with fan air intake 9 and windthroat 10 in a side 8 of the fan casing 5 of accommodating blast fan 7; With damper elements 4, above it as opening surface 16c, make this opening surface 16c and an above-mentioned side 8 near and relative states under can move along its face direction, 21 be provided with the 1st opening 24 and the 2nd opening 25 that to select a connection porting 11 in its lower section simultaneously, it is characterized in that, at above-mentioned the 1st opening 24 cartridge 26 is set, this cartridge 26 is configured to extend to above-mentioned opening surface 16c one side from the 1st opening 24, and the height of its upper surface 26a is no more than above-mentioned opening surface 16c, when above-mentioned the 1st opening 24 was communicated with above-mentioned porting 11, above-mentioned cartridge 26 was communicated with said fans exhaust outlets 10.
The application's the 9th utility model is the air interchanger that relates to according to above-mentioned the 8th utility model, it is characterized in that, make the height of the upper surface 26a of above-mentioned cartridge 26 be configured to above-mentioned opening surface 16c about equally.
Can obtain following effect according to this structure of the present utility model.
(a) air interchanger that relates to according to the application's the 1st utility model, in air interchanger with ventilation fan unit 3 and damper elements 4, damper elements 4 has dampener body 16, this dampener body 16 roughly is basket, have the diapire 21 that is provided with above-mentioned the 1st opening 24 and the 2nd opening 25 and center on this diapire 21 sidewall 22 on every side, and be configured to make its opening surface 16c and above-mentioned bellmouth plate 8 approaching and relative states, simultaneously cartridge 26 is set in above-mentioned the 1st opening 24 parts, this cartridge 26 is configured to extend to above-mentioned opening surface 16c one side from this part, and the height of its upper surface 26a is no more than this opening surface 16c, so when said fans exhaust outlet 10 is communicated with the air inlet running of above-mentioned porting 11, the inside that is communicated with the two above-mentioned cartridge 26 becomes high pressure, but the upper surface 26a of this cartridge 26 and above-mentioned bellmouth plate 8 near and relative, make the two formation minim gap, has retardation, therefore can suppress air and in this cartridge 26, leak (realizing the once sealing structure) to its outside, simultaneously the opening surface 16c of above-mentioned dampener body 16 and above-mentioned bellmouth plate 8 are near also relative, make the two formation minim gap, has retardation, therefore can suppress air and pass through these minim gaps to external leaks (realizing the secondary seal structure) from these dampener body 16 inside, according to this inside and outside dual hermetically-sealed construction, reduce the leakage rate of air as much as possible from above-mentioned dampener body 16 side direction outsides.Its result, suppressed with the air leakage is the increase of the fan motor input of cause, realize the reduction of the running funds of air interchanger, realize the peace and quiet running of air interchanger by suppressing ventilation sound simultaneously, and then can expect to improve the commodity value of air interchanger.
In addition, the upper surface 26a that utilization makes the above-mentioned opening surface 16c of above-mentioned dampener body 16 and above-mentioned cartridge 26 all with above-mentioned bellmouth plate 8 near and relative this simple cheap structures, the inhibition that realization is leaked the air of 4 of above-mentioned ventilation fan unit 3 and above-mentioned damper elements is so also can obtain to promote the effect of the cost degradation of air interchanger.
(b) air interchanger that relates to according to the application's the 2nd utility model on the basis of above-mentioned (a) described effect, can also obtain following peculiar effect.Promptly, in this utility model, make the above-mentioned sidewall 22 of above-mentioned dampener body 16 form labyrinth seal structure, so further improve the sealing of above-mentioned sidewall 22 parts of above-mentioned dampener body 16, more effectively suppressing with the air leakage is the increase of fan motor input of cause and the generation of ventilation sound, can expect the peace and quiet running of air interchanger and the further raising of commodity value.
(c) air interchanger that relates to according to the application's the 3rd utility model at above-mentioned (a) or (b) on the basis of described effect, can also obtain following peculiar effect.Promptly, in this utility model, by the gap size between the upper surface 26a of above-mentioned cartridge 26 and the above-mentioned bellmouth plate 8 is set in 0.2～1.5mm scope, can be when preventing that dust etc. from entering this gap, suppress effectively with the air leakage is the generation of the ventilation sound of cause, its result, shown in the performance plot of Fig. 7, for example when being installed in air interchanger on the air conditioner, can be reduced in the breather pipe 54 interior propagation that connect this air interchanger and indoor set and be discharged into indoor sound (operating sound), can expect the good quietness of indoor.
(d) air interchanger that relates to according to the application's the 4th utility model at above-mentioned (a) and (b) or (c) on the basis of described effect, can also obtain following peculiar effect.Promptly; in this utility model; make above-mentioned cartridge 26 be formed up to above-mentioned the 1st opening 24 of major general and be contained in its inner structure; therefore no matter the shape of the 1st opening 24 how; can often obtain to leak inhibitory action by the air that above-mentioned cartridge 26 forms; improve the freedom of design in configuration of above-mentioned dampener body 16, and then can expect the raising of the versatility of air interchanger.
(e) air interchanger that relates to according to the application's the 5th utility model on the basis of above-mentioned (d) described effect, can also obtain following peculiar effect.Promptly, in this utility model, make above-mentioned cartridge 26 form circular cross sectional shape, therefore when making the 1st opening 24 be positioned at above-mentioned cartridge 26 inside, for example the cross sectional shape with this cartridge 26 is a rectangle time ratio, can shorten its periphery length, correspondingly reduce because of leak former of air thereby need the area of the gap portion of sealing, the result can further improve air and leak and suppress effect.
(f) air interchanger that relates to according to the application's the 6th utility model at above-mentioned (a) and (b), (c), (d) or (e) on the basis of described effect, can also obtain following peculiar effect.Promptly, in this utility model, inner peripheral surface near the upper surface 26a of above-mentioned cartridge 26 is formed towards this upper surface 26a and the conical surface of hole enlargement displacement, therefore when other parts except the conical surface part of this upper surface 26a can be guaranteed high leakproofness, at this conical surface, by this guiding function, air stream can be swimmingly from above-mentioned cartridge 26 sides of said fans exhaust outlet 10 side inflows.Its result, when air inlet is turned round, promptly, high pressure air flow is from above-mentioned cartridge 26 sides of windthroat 10 side inflows of above-mentioned damper elements 4, the internal pressure of this cartridge 26 increases, and is easy to generate under the operating condition that air leaks in the gap from 8 of the upper surface 26a of this cartridge 26 and above-mentioned bellmouth plates, can accomplish when effectively suppressing air and leaking, the pressure loss by the air that suppresses above-mentioned cartridge 26 sides of inflow flows also makes air interchanger efficiently turn round.
(g) air interchanger that relates to according to the application's the 7th utility model at above-mentioned (a) and (b), (c), (d), (e) or (f) on the basis of described effect, can also obtain following peculiar effect.That is, in this utility model, therefore the air inlet upstream side position of the said fans air inlet 9 when air inlet is turned round configuration damping device Q, can carry out the humidification of room air simultaneously when air inlet is turned round, further improve the comfortableness of indoor environment.In addition, and dispose air interchanger and damping device time ratio respectively, can simplified structure, promote cost to reduce.
(h) air interchanger that relates to according to the application's the 8th utility model, have: ventilation fan unit 3 is provided with fan air intake 9 and windthroat 10 in a side 8 of the fan casing 5 of accommodating blast fan 7; With damper elements 4, above it as opening surface 16c, make this opening surface 16c can move in this face direction near also relative state with an above-mentioned side 8,21 be provided with the 1st opening 24 and the 2nd opening 25 that to select a porting 11 that is communicated with in its lower section simultaneously, it constitutes, at above-mentioned the 1st opening 24 cartridge 26 is set, this cartridge 26 is configured to extend to above-mentioned opening surface 16c one side from the 1st opening 24, and its upper surface 26a is no more than the height of above-mentioned opening surface 16c, when above-mentioned the 1st opening 24 is communicated with above-mentioned porting 11, above-mentioned cartridge 26 is communicated with said fans exhaust outlet 10, therefore, be communicated with under the state of above-mentioned porting 11 at said fans exhaust outlet 10, the inside of above-mentioned cartridge 26 becomes high pressure, but the upper surface 26a of this cartridge 26 is approaching and relative with an above-mentioned side 8 of above-mentioned ventilation fan unit 3 sides, make the two formation minim gap, has retardation, therefore can suppress air and in this cartridge 26, leak (realizing the once sealing structure) to its outside, the opening surface 16c of above-mentioned damper elements 4 sides is approaching and relative with an above-mentioned side 8 simultaneously, make the two formation minim gap, has retardation, therefore can suppress air and pass through these minim gaps to external leaks (realizing the secondary seal structure) from above-mentioned damper elements 4 inside, according to this inside and outside dual hermetically-sealed construction, reduce the leakage rate of air as much as possible from above-mentioned damper elements 4 side direction outsides.As a result, having suppressed with the air leakage is the increase of the fan motor input of cause, realizes the reduction of the running funds of air interchanger, realizes the peace and quiet running of air interchanger by suppressing ventilation sound simultaneously, and then can expect to improve the commodity value of air interchanger.
In addition, since the upper surface 26a that utilizes the above-mentioned opening surface 16c make these damper elements 4 sides and above-mentioned cartridge 26 all with the above-mentioned side 8 of above-mentioned ventilation fan unit 3 sides near and the relative this structures of cheapness simply, realized the inhibition that the air to 4 of above-mentioned ventilation fan unit 3 and above-mentioned damper elements leaks, so also can obtain to promote the effect of the cost degradation of air interchanger.
(i) air interchanger that relates to according to the application's the 9th utility model on the basis of above-mentioned (h) described effect, can also obtain following peculiar effect.Promptly, in this utility model, the upper surface 26a of above-mentioned cartridge 26 set for the height of above-mentioned opening surface 16c about equally, so can further suppress air leaks to its outside in above-mentioned cartridge 26, the result can realize the further reduction of air interchanger running funds, by suppressing ventilation sound, further promote the peace and quiet running of air interchanger simultaneously.
Description of drawings
Fig. 1 is air interchanger that expression the relates to the utility model overall system view when being assembled to air conditioner.
The sectional view of the operating state when Fig. 2 is the air inlet running of the air interchanger that relates to of expression the utility model.
Fig. 3 be Fig. 2 III-III part to view.
Fig. 4 is the amplification sectional view of the major part of air interchanger shown in Figure 2.
The sectional view of the operating state when Fig. 5 is the exhaust running of the air interchanger that relates to of expression the utility model.
Fig. 6 be Fig. 5 VI-VI part to view.
Fig. 7 is the curve map of the relation of the size of space S of top and bellmouth plate of expression cylinder part shown in Figure 4 and indoor set operating sound.
Fig. 8 is the internal diameter and the curve map of the size ratio that is located at the opening on the bellmouth plate with the relation of indoor set operating sound of expression cylinder part shown in Figure 4.
Fig. 9 is the sectional view of other topology examples of expression cartridge.
The specific embodiment
Below, according to preferred forms explanation the utility model.
In Fig. 1, be illustrated in the state that the air interchanger Z that the utility model relates to is set on this off-premises station X of the air conditioner that constitutes by off-premises station x and indoor set Y.That is, above-mentioned air interchanger Z is as described below, and configuration ventilation fan unit 3 and damper elements 4 in housing 1 and constituting is placed on the upper face side of above-mentioned off-premises station X.This air interchanger Z connects the 1st porting 11 and the supply and exhaust nozzle 53 that is located in the above-mentioned indoor set Y that is located at these damper elements 4 sides by breather pipe 54, carries out supply and exhaust by this breather pipe 54.
That is, when air inlet was turned round, by above-mentioned damper elements 4, the windthroat 10 of above-mentioned ventilation fan unit 3 sides was communicated with above-mentioned the 1st porting 11.Therefore, outdoor air sucks said fans air inlet 9 from the 2nd porting 13 that is formed at above-mentioned housing 1, after being blown from said fans exhaust outlet 10, be transported to above-mentioned indoor set Y side by above-mentioned breather pipe 54 again, be blown out to indoor from the above-mentioned supply and exhaust nozzle 53 that is located on this indoor set Y.
On the other hand, when exhaust was turned round, by above-mentioned damper elements 4, the fan air intake 9 of above-mentioned ventilation fan unit 3 sides was communicated with above-mentioned the 1st porting 11.Therefore, the room air that sucks from above-mentioned supply and exhaust nozzle 53 is sucked by the fan air intake 9 of above-mentioned ventilation fan unit 3 sides from above-mentioned the 1st porting 11 by above-mentioned breather pipe 54, after being blown from said fans exhaust outlet 10 again, be discharged to outdoor by above-mentioned the 2nd porting 13.
By suitably carrying out this air inlet running and exhaust running at the same time or separately with the running of air conditioner, can carry out indoor air-changing, obtain good indoor environment.
Below, with reference to Fig. 2～Figure 10, main idea of the present utility model is described, is concrete structure of above-mentioned air interchanger Z etc.
Above-mentioned air interchanger Z has the upper face side that is placed on above-mentioned off-premises station X, the housing 1 of rectangular case shape as shown in Figures 2 and 3.This housing 1 is provided with the opening 14 (with reference to Fig. 4) that inserts socket 12 described later at its diapire face 1a, be provided with at its side wall surface 1c simultaneously and play not the 2nd porting 13 of same-action, when turning round, air inlet, when exhaust is turned round, is used as air outlet as the air introducing port.In addition, above-mentioned opening 14 is provided with near a side of above-mentioned housings 1, and above-mentioned the 2nd porting 13 is provided with near the opposite side of above-mentioned housings 1, and both separate appropriate intervals respectively.And, configuration ventilation fan described later unit 3 and damper elements 4 in the inner space 2 of above-mentioned housing 1.
[ventilation fan unit 3]
Above-mentioned ventilation fan unit 3 is by constituting with the lower part: fan casing 5 constitutes by the base plate 5a that is the swirl shape flat shape with around the side plate 5b of this base plate 5a periphery; Rectangular flat shape bellmouth plate 8 (being equivalent to " side " in the claim 8), parallel fan air intake 9 and the windthroat 10 of being provided with, and make them leave appropriate intervals, and be fixed and be configured in the open end side of said fans casing 5, as being used for stopping up this opening; Blast fan 7 is configured in by above-mentioned bellmouth plate 8 and fan casing 5 in the space that forms, so that relative with said fans air inlet 9; With fan motor 6, be fixed on the exterior side of said fans casing 5, rotation drives said fans impeller 7.
In addition, above-mentioned ventilation fan unit 3 is fixed on above-mentioned housing 1 side by damper elements 4 described later, but during this occasion, is configured to the fixed position of this housing 1 relatively so that said fans exhaust outlet 10 and above-mentioned opening 14 be positioned at coaxial on.
[damper elements 4]
Above-mentioned damper elements 4 establishes body 15 by damper bag described later and dampener body 16 constitutes.
Above-mentioned damper bag is established body 15 and is formed by sheet bending being become " コ " shape, have the roughly the same diapire 15a of size shape and above-mentioned bellmouth plate 8 and erect and have pair of sidewalls 15b, the 15b of equal height from the left and right edges of this diapire 15a respectively.This damper bag is established body 15 below the overlapping above-mentioned bellmouth plate 8 that is fixed on above-mentioned damper elements 4 of above-mentioned pair of sidewalls 15b, 15b, makes with it to be integral.Therefore, under this state, establish body 15 by above-mentioned bellmouth plate 8 and above-mentioned damper bag and form tunnel-like run-though space 17 with rectangular cross sectional shape and its two ends 15c, 15d (hereinafter referred to as " the 1st peristome 15c " and " the 2nd peristome 15d ") difference opening.In addition, in this run-though space 17, dampener body 16 described later is configured to can be at the mobile state of direction of principal axis (perforation direction) of this run-though space 17.
In addition, above-mentioned damper bag is established the position of body 15 at an end of the above-mentioned run-though space 17 of corresponding close its diapire 15a, the 1st roughly the same porting 11 of said fans exhaust outlet 10 of diameter and above-mentioned ventilation fan unit 3 sides is set, forms the socket 12 that extends with this diapire 15a all-in-one-piece, from above-mentioned diapire 15a downwards at the 1st porting 11 simultaneously.
In addition, above-mentioned damper bag is established body 15 by on the overlapping diapire face 1a that is fixed on above-mentioned housing 1 of its diapire 15a, thereby is installed in this housing 1 side, but during this occasion, above-mentioned socket 12 extends downwards by the above-mentioned opening 14 of this housing 1 side.Therefore, above-mentioned damper bag is being established under the state that body 15 is installed in above-mentioned housing 1 side, this damper bag is established above-mentioned the 1st porting 11 of body 15 sides and the said fans exhaust outlet 10 of above-mentioned bellmouth plate 8 sides is roughly overlapped configuration at above-below direction.
[dampener body 16]
Above-mentioned dampener body 16 as shown in Figures 2 and 3, by the rectangular box shape pedestal 16a of top opening and with one jiao of this pedestal 16a continuously and the extension 16b that extends to the side constitute, have: the diapire 21 of crossing over above-mentioned extension 16b from said base 16a; Around said base 16a, erect and around this and the sidewall 22 that is provided with; With covering into the curved wall 23 of dome shape around the above-mentioned extension 16b.In addition, corresponding position near said base 16a one side is provided with the 1st opening 24 in the diapire 21 of above-mentioned dampener body 16, in the position of the above-mentioned extension 16b of correspondence the 2nd opening 25 is set.
In addition, at above-mentioned the 1st opening 24, as shown in Figures 3 and 4, form as one for circular cartridge 26 and this dampener body 16 from the cross section that the 1st opening 24 extends upward.The height of this cartridge 26 be configured to make its upper surface 26a be positioned at the top 22c of above-mentioned sidewall 22, promptly with the height position about equally of the opening surface 16c of above-mentioned dampener body 16.In addition, the height of above-mentioned cartridge 26, at least 26a top 22c of being no more than above-mentioned sidewall 22 in its upper surface gets final product, therefore, also can become the height setting of above-mentioned cartridge 26 to make its upper surface 26a (particularly a little less than the top 22c of above-mentioned sidewall 22, as hereinafter described, and the gap size of 8 of above-mentioned bellmouth plates in being no more than the scope of 1.5mm).
Like this, the height of above-mentioned cartridge 26 be configured to the height of the sidewall 22 of above-mentioned dampener body 16 about equally, set but these height dimensions are height dimensions that corresponding above-mentioned damper bag is established the run-though space 17 of body 15.Promptly, as shown in Figure 2, above-mentioned dampener body 16 is configured to the state that can slide by setting-in in above-mentioned damper bag is established the run-though space 17 of body 15, but under the state in setting-in is configured to this run-though space 17, as shown in Figure 4, the upper surface 26a of above-mentioned cartridge 26 and the top 22c of the sidewall 22 of above-mentioned dampener body 16 all are configured to the relative state of above-mentioned bellmouth plate 8 by minim gap S and above-mentioned damper elements 4 sides.In addition, in this embodiment, above-mentioned gap S is set in 0.2mm～1.5mm scope.
In addition, in above-mentioned dampener body 16, by three limits except the approaching limit of above-mentioned the 1st opening 24 in 4 limits that said base 16a surrounded into tetragonal sidewall 22, formation is across slight gap and the double-wall structure of opposed lateral wall 22a and madial wall 22b, and makes it bring into play the function of the labyrinth seal structure of above-mentioned relatively gap S.
In addition, in the following description, the part (Outboard Sections of cartridge 26) except the above-mentioned sidewall 22 of above-mentioned dampener body 16 above-mentioned cartridge 26 parts in the space that forms is called space 27 in the damper.And, be located at above-mentioned damper bag and establish the end that the above-mentioned socket 12 of above-mentioned the 1st porting 11 of body 15 connects above-mentioned breather pipe 54 (with reference to Fig. 1).
On the other hand, above-mentioned dampener body 16 as mentioned above, in establishing the run-though space 17 of body 15, above-mentioned damper bag is configured to the state that can slide by setting-in, but the glide direction during this occasion is the direction of principal axis (arrow a-b direction) of above-mentioned run-though space 17, and be set to the relative position of this in-plane, so that follow it to slide, make above-mentioned the 1st opening 24 of above-mentioned dampener body 16 and the 2nd opening 25 can select a ground and be communicated with above-mentioned the 1st porting 11 that above-mentioned damper bag is established body 15 sides.In addition, between above-mentioned dampener body 16 and said fans air inlet 9, as shown in Figure 3, when the 1st opening 24 of above-mentioned dampener body 16 is set at the sliding position that is communicated with above-mentioned the 1st porting 11, said fans air inlet 9 is positioned at the outside of above-mentioned dampener body 16, cut off and be communicated with it, on the other hand, as shown in Figure 6, when the 2nd opening 25 of above-mentioned dampener body 16 is set at the sliding position that is communicated with above-mentioned the 1st porting 11, said fans air inlet 9 is positioned at the above-mentioned damper space 27 of above-mentioned dampener body 16, is configured to be communicated with it.
[action specification]
Below, illustrate that respectively above-mentioned air interchanger Z is when air inlet is turned round and the action in exhaust when running etc.
A: the action during the air inlet running etc.
When air inlet is turned round, as Fig. 2～shown in Figure 4, above-mentioned dampener body 16 is moved to arrow b direction, said fans exhaust outlet 10 that above-mentioned damper bag establishes above-mentioned the 1st porting 11 of body 15 sides and above-mentioned ventilation fan unit 3 is communicated with by the cartridge 26 (being above-mentioned the 1st opening 24) of above-mentioned dampener body 16.Under this state, the diapire 21 that above-mentioned the 2nd opening 25 of above-mentioned dampener body 16 is established body 15 by above-mentioned damper bag stops up.
Under this state, said fans impeller 7 is driven in rotation, and above-mentioned ventilation fan unit 3 becomes operating condition, and outdoor air is inhaled in the above-mentioned inner space 2 from above-mentioned the 2nd porting 13 by the attraction of this blast fan 7.In addition, this outdoor air is established body 15 by above-mentioned damper bag run-though space 17 is inhaled in the above-mentioned ventilation fan unit 3 from said fans air inlet 9, under the state that static pressure increases, be blown out to above-mentioned cartridge 26 sides from said fans exhaust outlet 10, be blown out to by above-mentioned the 1st porting 11 and above-mentioned breather pipe 54 from this cartridge 26 more indoor, thereby realize to indoor air fed effect.
; when air inlet is turned round; as mentioned above; pressure-air is blown out to above-mentioned the 1st porting 11 sides from above-mentioned ventilation fan unit 3 sides; so worrying air can leak from the mutual gap location near 8 of the opening surface 16c of opposed above-mentioned dampener body 16 and above-mentioned bellmouth plates; if this air leakage rate is many; the sound of then ventilating increases; destroy quietness; the input electric power of said fans motor 6 increases simultaneously; cause the rising of the funds of turning round, this situation is identical with the situation that the front has been narrated.
Given this, in the air interchanger Z of this embodiment, want to solve this problem by double sealing structure being set at above-mentioned gap portion.Promptly, in this embodiment, first, upper surface 26a by making above-mentioned cartridge 26 and above-mentioned bellmouth plate 8 near and relative, make and have the retardance function here, form the once sealing structure thus, thereby air is inhibited via the leakage of the gap between upper surface 26a and the above-mentioned bellmouth plate 8 relative with it from this cartridge 26 space 27 in above-mentioned damper.
Second, make above-mentioned dampener body 16 sidewall 22 top 22c and above-mentioned bellmouth plate 8 near and relative, make at this and have the retardance function, form the secondary seal structure thus, thereby air is inhibited to external leaks via space 27 in the above-mentioned damper of this dampener body 16, the gap between 22c above this and the above-mentioned bellmouth plate 8.
As the two the effect that multiplies each other, reduce the leakage rate of air as much as possible from above-mentioned dampener body 16 side direction outsides, inhibition is the increase of the fan motor input of cause with the air leakage, realize the reduction of the running funds of air interchanger Z, simultaneously by suppressing ventilation sound, realize the peace and quiet running of air interchanger Z, and then can expect the raising of the commodity value of air interchanger Z.
In addition, when this occasion, in this embodiment, three limits near said fans air inlet 9 in the above-mentioned sidewall 22 of above-mentioned dampener body 16 are made double wall, make it have the labyrinth sealing function, so more can suppress to leak from the air in above-mentioned gap, can prevent more effectively that with the air leakage be the increase of fan motor input of cause and the generation of ventilation sound, can expect the peace and quiet running of air interchanger and the further raising of commodity value.
In addition, in this embodiment, gap size between the top 22c of the sidewall 22 of gap size between the upper surface 26a of above-mentioned cartridge 26 and the above-mentioned bellmouth plate 8 and above-mentioned dampener body 16 and the above-mentioned bellmouth plate 8 all is set in 0.2～1.5mm scope., the lower limit of gap size being set at 0.2mm herein, is in order to prevent that dust etc. from entering the gap, higher limit to be set at 1.5mm, is to consider the sealing that air is leaked.That is, in Fig. 7, the relation of expression gap size and indoor set operating sound (that is being the sound that the ventilation sound of cause is propagated in breather pipe 54 and discharged from indoor set) with the air leakage.According to this Fig. 7, if gap size surpasses 1.5mm, operating sound will sharply increase, so we can say and set practically smaller or equal to 1.5mm, for this viewpoint, in this embodiment the higher limit of gap size will be set at 1.5mm to gap size.Therefore, by above-mentioned gap size is set in 0.2～1.5mm scope, can be when preventing that dust etc. from entering the gap, effectively suppress with the air leakage be thereby the ventilation sound of generation.
In addition, in this embodiment, above-mentioned cartridge 26 is made cylindrical cross-section, so when making above-mentioned the 1st opening 24 be positioned at above-mentioned cartridge 26 inside, for example with the cross sectional shape of this cartridge 26 is made rectangle time ratio, can shorten its periphery length, correspondingly reduce the area that leaks the gap portion that needs sealing because of air, the result further improves air and leaks the inhibition effect.
In addition, Fig. 8 represents the relation of ratio (D/D0) and indoor set operating sound of the inside diameter D 0 (with reference to Fig. 4) of the inside diameter D of above-mentioned cylinder part 26 and said fans exhaust outlet 10.According to this Fig. 8, consider from the viewpoint that reduces operating sound, we can say that the inside diameter D 0 of setting to such an extent that equal (D=D0) or being slightly less than said fans exhaust outlet 10 is best to the inside diameter D of above-mentioned cylinder part 26.
B: the action during the exhaust running etc.
When exhaust is turned round, as Fig. 5 and shown in Figure 6, above-mentioned dampener body 16 is moved to arrow a direction, said fans air inlet 9 that above-mentioned damper bag establishes above-mentioned the 1st porting 11 of body 15 sides and above-mentioned ventilation fan unit 3 is communicated with by space 27 in the above-mentioned damper of above-mentioned dampener body 16 Outboard Sections of above-mentioned cartridge 26 (promptly by).Under this state, the diapire 21 that above-mentioned cartridge 26 is established body 15 by above-mentioned damper bag stops up.
Under this state, said fans impeller 7 is driven in rotation, above-mentioned ventilation fan unit 3 becomes operating condition, and room air is inhaled into above-mentioned ventilation fan unit 3 by above-mentioned breather pipe 54, again by space 27 in the above-mentioned damper of above-mentioned dampener body 16 from these fan air intake 9 sides.In addition, the room air that is inhaled into above-mentioned ventilation fan unit 3 is blown out to run-though space 17 sides that above-mentioned damper bag is established body 15 from said fans exhaust outlet 10, pass through in the inner space 2 of above-mentioned housing 1 from the 2nd peristome 15d of this run-though space 17, be blown out to the outside from above-mentioned the 2nd porting 13, thereby realize effect from indoor exhaust.
; when this exhaust running; the interior space of the above-mentioned damper 27 interior air that flow through above-mentioned dampener body 16 are negative pressure state; when therefore turning round as above-mentioned air inlet; can not produce to the air outside leakage situation from gap S; otherwise but; might produce the top 22c of air by the sidewall 22 of above-mentioned dampener body 16 and the gap of 8 of above-mentioned bellmouth plates; from the outer side situation that space 27 sides are leaked in above-mentioned damper; when this occasion; make labyrinth seal structure by sidewall 22, can prevent effectively that this situation from taking place above-mentioned dampener body 16, and then exhaust capacity that can well maintained above-mentioned air interchanger Z.
Other
(1) in the above-described embodiment, total length along above-mentioned cartridge 26 forms straight-tube shape, but in other embodiments of the present utility model, for example shown in Figure 9, also can form make near interior Zhou Dynasty of the upper surface 26a of above-mentioned cartridge 26 downwards and the conical surface 26b that undergauge changes.In this structure, guarantee high leakproofness in other parts except the above-mentioned conical surface 26b part of this upper surface 26a, in this conical surface 26b part,, make air stream simultaneously swimmingly from above-mentioned cartridge 26 sides of said fans exhaust outlet 10 side inflows by this guiding function.As a result, particularly when air inlet is turned round, can be when realizing effective inhibition that air leaks, the pressure loss of the air stream by suppressing to flow into above-mentioned cartridge 26 sides realizes the efficient running of air interchanger.
(2) in the air interchanger Z of above-mentioned embodiment, in above-mentioned housing 1, only dispose above-mentioned ventilation fan unit 3 and damper elements 4, but in other embodiments of the present utility model, as shown in Figures 2 and 3, also can be in the above-mentioned inner space 2 of above-mentioned housing 1, when air inlet is turned round, be equivalent to the position of the air inlet upstream side of above-mentioned ventilation fan unit 3, specifically be the passage from above-mentioned the 2nd porting 13 to the fan air intake 9 of above-mentioned ventilation fan unit 3 way, configuration damping device Q.If this structure when air inlet is turned round, carrying out humidification in indoor importing outdoor air, thereby the comfortableness of indoor environment will be further enhanced.
(3) in the air interchanger Z of above-mentioned embodiment, be formed on above-mentioned damper bag and establish the structure that above-mentioned dampener body 16 is moved to its direction of principal axis, but the utility model is not limited to this structure, in other embodiments, for example also can be formed on above-mentioned damper bag and establish the structure that above-mentioned dampener body 16 is moved to direction of rotation.
Claims (9)
1. air interchanger has:
Ventilation fan unit (3), it relatively disposes blast fan (7) with fan air intake (9) and constitutes by the side at the bellmouth plate (8) with fan air intake (9) and windthroat (10); With
Damper elements (4); Have the 1st opening (24) and the 2nd opening (25); And with near the opposite side of state configuration at above-mentioned bellmouth plate (8); When this opposite side is with said fans air inlet (9) and windthroat (10) isolation; Surface direction at this bellmouth plate (8) relatively moves; Thereby can select to turn round and turn round by the exhaust that above-mentioned the 2nd opening (25) makes above-mentioned porting (11) be communicated with said fans air inlet (9) by the air inlet that above-mentioned the 1st opening (24) makes porting (11) be communicated with said fans exhaust outlet (10)
It is characterized in that,
Above-mentioned damper elements (4) has dampener body (16), this dampener body (16) roughly is basket, have the diapire (21) that is provided with above-mentioned the 1st opening (24) and the 2nd opening (25) and center on this diapire (21) sidewall (22) on every side, and be configured to make its opening surface (16c) and relative state approaching with above-mentioned bellmouth plate (8), in above-mentioned the 1st opening (24) part cartridge (26) is set simultaneously, this cartridge (26) is configured to extend to above-mentioned opening surface (16c) side from this part, and the height of its upper surface (26a) is no more than this opening surface (16c).
2. air interchanger according to claim 1 is characterized in that, the above-mentioned sidewall (22) of above-mentioned dampener body (16) is a labyrinth seal structure.
3. air interchanger according to claim 1 and 2 is characterized in that, the upper surface (26a) of above-mentioned cartridge (26) and the gap size between the above-mentioned bellmouth plate (8) are set in 0.2～1.5mm scope.
4. air interchanger according to claim 1 and 2 is characterized in that, above-mentioned cartridge (26) is formed up to above-mentioned the 1st opening of major general (24) and is contained in its inner structure.
5. air interchanger according to claim 4 is characterized in that, above-mentioned cartridge (26) has circular cross sectional shape.
6. air interchanger according to claim 1 and 2 is characterized in that, forms towards this upper surface (26a) and the conical surface of hole enlargement displacement near the inner peripheral surface of upper surface (26a) in the above-mentioned cartridge (26).
7. air interchanger according to claim 1 and 2 is characterized in that, the air inlet upstream side position configuration damping device (Q) of the said fans air inlet (9) when air inlet is turned round.
8. air interchanger has:
Ventilation fan unit (3) is provided with fan air intake (9) and windthroat (10) in a side (8) of the fan casing (5) that holds blast fan (7); With
Damper elements (4), above it as opening surface (16c), make under the approaching also relative state in this opening surface (16c) and an above-mentioned side (8) and can move along its face direction, (21) are provided with the 1st opening (24) and the 2nd opening (25) that can select a connection porting (11) in its lower section simultaneously
It is characterized in that,
At above-mentioned the 1st opening (24) cartridge (26) is set, this cartridge (26) is configured to be no more than above-mentioned opening surface (16c) from the 1st opening (24) to the height of the extension of above-mentioned opening surface (16c) side and its upper surface (26a), when above-mentioned the 1st opening (24) was communicated with above-mentioned porting (11), above-mentioned cartridge (26) was communicated with said fans exhaust outlet (10).
9. air interchanger according to claim 8 is characterized in that, the height of the upper surface (26a) of above-mentioned cartridge (26) be configured to above-mentioned opening surface (16c) about equally.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP055946/2003 | 2003-03-03 | ||
| JP2003055946 | 2003-03-03 | ||
| JP028720/2004 | 2004-02-05 | ||
| JP2004028720A JP4608895B2 (en) | 2003-03-03 | 2004-02-05 | Ventilation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2715027Y true CN2715027Y (en) | 2005-08-03 |
Family
ID=33301998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420005315 Expired - Lifetime CN2715027Y (en) | 2003-03-03 | 2004-03-03 | Ventilator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4608895B2 (en) |
| CN (1) | CN2715027Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI420058B (en) * | 2008-12-26 | 2013-12-21 | Hon Hai Prec Ind Co Ltd | Apparatus for adjusting air flow |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3598962B2 (en) * | 2000-09-26 | 2004-12-08 | ダイキン工業株式会社 | Humidification unit |
-
2004
- 2004-02-05 JP JP2004028720A patent/JP4608895B2/en not_active Expired - Fee Related
- 2004-03-03 CN CN 200420005315 patent/CN2715027Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI420058B (en) * | 2008-12-26 | 2013-12-21 | Hon Hai Prec Ind Co Ltd | Apparatus for adjusting air flow |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004286432A (en) | 2004-10-14 |
| JP4608895B2 (en) | 2011-01-12 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140303 Granted publication date: 20050803 |