CN209724795U - A kind of spiral case and blower fan system and air conditioner - Google Patents
A kind of spiral case and blower fan system and air conditioner Download PDFInfo
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- CN209724795U CN209724795U CN201920527850.5U CN201920527850U CN209724795U CN 209724795 U CN209724795 U CN 209724795U CN 201920527850 U CN201920527850 U CN 201920527850U CN 209724795 U CN209724795 U CN 209724795U
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Abstract
The utility model relates to air-conditioning technical fields, specifically, it is related to a kind of spiral case and blower fan system and air conditioner, including air inlet, secondary air duct and the main air duct being connected to the air inlet, the main air duct is provided with two or more, each main air duct is provided with air outlet, the pair air duct is connected to each described main air duct, in the counter-current gas flow to the smooth main air duct of other air outlets that the pair air duct is formed after being used to guide the air outlet of any main air duct to block, after blocking any air outlet according to use demand, the counter-current gas formed in its corresponding main air duct enters secondary air duct, counter-current gas is flowed in the smooth main air duct of ventilation opening by secondary air duct, it is then discharged out, it avoids a large amount of counter-current gas and enters fan blade Ye Daonei, influence fan efficiency.
Description
Technical field
The utility model relates to air-conditioning technical fields, in particular to a kind of spiral case and blower fan system and air conditioner.
Background technique
Air-conditioning, that is, air regulator.Refer to manually means, to the temperature, humidity of surrounding air in building/structures, clean
The equipment that the parameters such as cleanliness, flow velocity are adjusted and control mainly includes refrigeration host computer, water pump, blower and pipe-line system.End
End device then be responsible for using transmission & distribution come cold and hot amount, specifically handle air condition, the air parameter of target environment made to reach requirement.
The volute of blower component part important as blower fan system, spiral case is for guiding blower air inlet and the outlet.Conventional two
The spiral case of a air outlet often simply blocks any one air outlet, single air port outlet air is formed, to meet service condition.It is existing
In volute structure, after blocking an air outlet, air-flow is caused to flow back in by the air duct of closure air outlet, and in a counter-current fashion
Into fan blade leaf road, fan efficiency is caused to reduce, air quantity decaying.
Utility model content
The purpose of this utility model is to provide a kind of spiral case and blower fan systems and air conditioner, are able to solve above-mentioned ask
Topic.
The embodiments of the present invention are achieved in that
A kind of spiral case, the spiral case have air inlet, secondary air duct and the main air duct being connected to the air inlet；
The main air duct is provided with two or more, and each main air duct is provided with air outlet, and pair air duct connection is every
One main air duct, the counter-current gas that is formed is to other after the pair air duct is used to guide the air outlet of any main air duct to block
In the smooth main air duct of air outlet.
Preferably, in an embodiment of the present invention, it is above-mentioned pair air duct setting the main air duct and it is described into
The opposite side in air port, the main air duct correspond to the secondary air duct and are provided with ventilation opening for being connected to the secondary air duct.
Preferably, in an embodiment of the present invention, above-mentioned main air duct is back backwards to the one side of the air inlet
Face, the air outlet are located at the back side of the main air duct far from the side of the air inlet.
Preferably, in an embodiment of the present invention, above-mentioned ventilation opening and the air outlet are located at the main wind
Road it is ipsilateral；
Preferably, in an embodiment of the present invention, using flow direction of the gas in main air duct as length side
To, ventilation opening length and air outlet length in the same main air duct are respectively L1 and L2, and 0.2≤L1/L2≤
0.55。
Preferably, in an embodiment of the present invention, there are two along the air inlet radial direction side for above-mentioned spiral case tool
To the main air duct of extension, and two main air duct extending directions are opposite.
Preferably, in an embodiment of the present invention, above-mentioned pair air duct is prism or cylindrical structure.
Preferably, in an embodiment of the present invention, two main air ducts offer respectively for it is described
The ventilation opening of secondary air duct connection；
Using flow direction of the gas in the secondary air duct as length direction, two ventilation openings respectively correspond the secondary air duct
The both ends of length direction.
It preferably, is length with flow direction of the gas in the secondary air duct in an embodiment of the present invention
Direction is spent, the pair air duct length is L3, and the length of the spiral case is L4,0.5≤L3/L4≤0.8.
Preferably, in an embodiment of the present invention, the vertical secondary air duct of the width direction in above-mentioned pair air duct
Length direction and the air inlet air inlet direction；
The width in the pair air duct indicates that the air outlet width of the main air duct is indicated with L6 with L5,0.8≤L5/L6≤
1.1。
Preferably, in an embodiment of the present invention, it is above-mentioned pair air duct short transverse and the air inlet into
Wind direction is identical；
The length of the ventilation opening indicates that the height in the pair air duct is indicated with H1,0.8≤H1/L1≤1.25 with L1.
A kind of blower fan system, including above-mentioned spiral case.
A kind of air conditioner, including above-mentioned spiral case.
Preferably, in an embodiment of the present invention, above-mentioned air conditioner further includes outer housing, blower, evaporator
And grid, the outer housing are provided with fresh air inlet, the evaporator is arranged at fresh air inlet, and the grid setting is being evaporated
On the outside of device, it is characterised in that:
The spiral case is arranged inside the outer housing, and the air outlet that the outer housing corresponds to the spiral case is provided with air-supply
Mouthful, the blower is arranged in the air inlet, and the air inlet is towards the fresh air inlet.
The beneficial effect of the utility model embodiment is:
After blocking any air outlet, blower attenuation amplitude is substantially reduced, and volute structure is simple, and production cost is low, stability
It is good.
Spiral case is provided with more than two main air ducts, and each main air duct is provided with air outlet, secondary air duct and each main wind
Road connection, after blocking any air outlet according to use demand, the counter-current gas formed in corresponding main air duct enters secondary air duct,
Counter-current gas is flowed in the smooth main air duct of ventilation opening by secondary air duct, is then discharged out, is avoided a large amount of counter-current gas and enter wind
Ye Yedaonei influences fan efficiency.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the utility model embodiment schematic perspective view；
Fig. 2 is the utility model embodiment schematic diagram of internal structure；
Fig. 3 is the utility model embodiment size marking structural schematic diagram；
Fig. 4 is the utility model embodiment air inlet positive structure schematic；
Fig. 5 is the utility model embodiment air inlet structure schematic diagram；
Fig. 6 is the utility model embodiment gas fluidal texture schematic diagram；
Fig. 7 is gas flow schematic diagram after the utility model embodiment air outlet blocks；
Fig. 8 is the utility model embodiment air conditioner partial structural diagram；
Fig. 9 is the utility model embodiment evaporation structure schematic diagram；
Figure 10 is the utility model embodiment outer shell construction schematic diagram；
Figure 11 is the end structure illustration of the utility model embodiment Figure 10.
Icon: 1- air inlet；The first main air duct of 2-；The first air outlet of 21-；The first ventilation opening of 22-；The second main air duct of 3-；
The second air outlet of 31-；The second ventilation opening of 32-；4- pair air duct；5- blower；6- outer housing；7- grid；8- evaporator；9- air-supply
Mouthful.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
The present embodiment provides a kind of spiral case and blower fan system and air conditioner, spiral case includes air inlet 1, secondary air duct 4 and main wind
Centrifugation blade or mixed flow fan blade can be selected in the fan blade in road, settable blower 5 in air inlet 1, blower 5.There are two main air duct settings
More than, each main air duct is connected to air inlet 1 respectively, and secondary air duct 4 is connected to each main air duct respectively.
Spiral case enters gas in spiral case from air inlet 1 in use, blower 5 rotates, and is then tapped off into each main air duct,
Finally it is discharged from the air outlet of each main air duct.Any air outlet is blocked according to use demand, controls the outlet air of spiral case, is being gone out
The main air duct interior air-flow adverse current that air port is plugged is flowed towards fan blade.Secondary air duct 4 is connected to each main air duct respectively, adverse current gas
Stream flows in secondary air duct 4, is then entered in the smooth main air duct of air outlet by secondary air duct 4, spiral case, secondary air duct is finally discharged
4 guide functions effectively prevent gas flow counterflow and enter fan blade leaf road, ensure that the efficiency of blower 5, keep 5 attenuation amplitude of blower big
It is big to reduce, while volute structure is simple, production cost is low, and stability is good.
In conjunction with shown in Fig. 1-3, spiral case tool is there are two main air duct, respectively the first main air duct 2 and the second main air duct 3, and first
Main air duct 2 and the second main air duct 3 extend in the radial direction of air inlet 1 respectively, and the first main air duct 2 and the second main air duct 3 prolong
Stretch it is contrary, air inlet 1 between the first main air duct 2 and the second main air duct 3, secondary air duct 4 be rectangular parallelepiped structure, secondary air duct
4 are arranged in the first main air duct 2 and the second main air duct 3 backwards to the side of air inlet 1.
Refering to what is shown in Fig. 2, the first main air duct 2 is provided with the first air outlet 21 and the first ventilation opening 22, the first air outlet 21
It is oppositely arranged with air inlet 1, the first main air duct 2 is the back side backwards to the one side of air inlet 1, and the setting of the first air outlet 21 is main first
The back side in air duct 2 and the side of separate air inlet 1.First ventilation opening 22 is for the company between the first main air duct 2 and secondary air duct 4
Logical, the first ventilation opening 22 between the first air outlet 21 and air inlet 1, carry on the back in the first main air duct 2 by the setting of the first ventilation opening 22
To the side of air inlet 1.Second main air duct 3 is provided with the second air outlet 31 and the second ventilation opening 32, the second air outlet 31 with into
Air port 1 is oppositely arranged, and the second main air duct 3 is the back side backwards to the one side of air inlet 1, and the second air outlet 31 is arranged in the second main air duct
3 back side and the side of separate air inlet 1.Second ventilation opening 32 is used for the connection between the second main air duct 3 and secondary air duct 4, the
Two ventilation openings 32 are between the second air outlet 31 and air inlet 1, and the setting of the second ventilation opening 32 is in the second main air duct 3 backwards to air inlet
The side of mouth 1.Corresponding first ventilation opening 22 in one end of secondary 4 length direction of air duct, and be connected to the first ventilation opening 22, secondary air duct 4
Corresponding second ventilation opening 32 of the other end of length direction, and be connected to the second ventilation opening 32.
With reference to shown in Fig. 3-5, secondary air duct 4 is rectangular parallelepiped structure, the first air outlet 21, the ventilation of the second air outlet 31, first
Mouth 22 and the second ventilation opening 32 are rectangular shape.First air outlet 21 and the unimpeded state of the second air outlet 31, gas enter snail
It shunts after in shell, and is flowed from air inlet 1 towards the first air outlet 21 and the second air outlet 31.First main air duct 2 and second is main
Air duct 3 is respectively using the direction of gas flowing as length direction, the length phase of the length of the first ventilation opening 22 and the second ventilation opening 32
Deng being indicated with L1；The equal length of the length of first air outlet 21 and the second air outlet 31, is indicated with L2, and 0.2≤
L1/L2≤0.55.The ratio of L1 and L2 is greater than 0.55, when the first air outlet 21 and unimpeded the second air outlet 31, the first main air duct 2
It is easy to produce and is centainly further separated into secondary air duct 4 with the second main air duct 3, gas is whirled up gas in secondary air duct 4, causes
The loss of energy.After the ratio of L1 and L2 is less than 0.2, first air outlet 21 and any one closure of the second air outlet 31, secondary air duct 4
Interior air inlet and the outlet are restricted, and the ventilation quantity of spiral case entirety cannot reach requirement.
Secondary air duct 4 is rectangular parallelepiped structure, and secondary air duct 4 is arranged in parallel relative to the first main air duct 2 and the second main air duct 3.It is secondary
The long and wide face formed in air duct 4 is horizontal plane, the air inlet direction vertical-horizontal datum level of air inlet 1.With the length in secondary air duct 4
Edge direction is the length direction in secondary air duct 4, or, using flow direction of the gas in secondary air duct 4 as length direction, secondary air duct 4
Length indicates that the length of spiral case is indicated with L4,0.5≤L3/L4≤0.8 with L3.First ventilation opening 22 and the second ventilation opening 32 divide
Not Dui Ying secondary 4 length direction of air duct both ends setting, effect length first ventilation opening 22 and the second ventilation opening 32 in secondary air duct 4 it
Between distance, the first ventilation opening 22 is equidistant at a distance from air inlet 1 with the second ventilation opening 32 and air inlet 1, ratio mistake
Hour, the hypotelorism of the first ventilation opening 22 and the second ventilation opening 32 apart from air inlet 1 be easy to cause from air inlet 1 and distributes
High-speed flow hit the wall surface around the first ventilation opening 22 and the second ventilation opening 32, cause the loss of gas kinetic energy, simultaneously meeting
Eddy current crack is generated, the use of spiral case is influenced.When ratio is excessive, the length in secondary air duct 4 is too long relative to spiral case total length, adverse current
Gas flow distance in secondary air duct 4 is too long, and the resistance in secondary air duct 4 keeps counter-current gas kinetic energy rejection larger, influences spiral case
Ventilation quantity.
On the horizontal plane in secondary air duct 4, or, as shown in connection with fig. 5, overlooking spiral case backwards to the side of air inlet 1, with pair
The longitudinal direction in air duct 4 is the length direction in secondary air duct 4, and the width value in secondary air duct 4 is indicated with L5, the width of the air outlet of main air duct
Angle value indicates with L6,0.8≤L5/L6≤1.1, width of the width of the width of the first ventilation opening and the second ventilation opening with secondary air duct
It spends equal.When the ratio of L5 and L6 is too small, gas flow resistance in secondary air duct 4 is excessive, be easy to cause ventilation unsmooth；Ratio mistake
When big, the width in secondary air duct 4 is greater than main air duct width, and after counter-current gas enters secondary air duct 4, the part kinetic energy of counter-current gas is converted
For pressure potential, counter-current gas flow velocity is reduced, the convolution easy to form in secondary air duct 4, is unfavorable for gas discharge, can also be generated and make an uproar
Sound influences the using effect of spiral case.
In conjunction with Fig. 3, the short transverse in secondary air duct 4 and the air inlet direction of air inlet 1 are identical, and the short transverse in secondary air duct 4 is hung down
The height value of straight horizontal plane, secondary air duct 4 indicates with H1,0.8≤H1/L1≤1.25.When ratio is excessive, secondary air duct 4 is whole
Body thickness is larger, so that the thickness of spiral case be caused to increase, it has not been convenient to which the part kinetic energy of the use of spiral case, air-flow is converted to pressure potential
Can, so that speed reduces, gas forms convolution inside secondary air duct 4, is unfavorable for gas discharge, while generating vortex noise.When
When ratio is smaller, secondary 4 internal resistance of air duct is larger, is unfavorable for the discharge of gas.
With reference to shown in Fig. 3 and Fig. 5, in the present solution, the equal length of the length of the first ventilation opening 22 and the second ventilation opening 32,
Indicated with L1；The equal length of the length of first air outlet 21 and the second air outlet 31, is indicated with L2；The length in secondary air duct 4
Angle value indicates that width value is indicated with L5 with L3, and height value is indicated with H1；The length value of spiral case indicates that the width of spiral case is used with L4
L6 is indicated.The optimal selected value of the ratio of L1 and L2 is that the optimal selected value of ratio of 0.4, L3 and L4 is the ratio of 0.65, L5 and L6
The optimal selected value of ratio that optimal selected value is 1, H1 and L1 is 1.05.The structure in secondary air duct 4 can be prism structure or cylinder
Structure, such as quadrangular, hexagonal prisms or cylindroid, flow direction of the air-flow in secondary air duct 4 is the length direction in secondary air duct, secondary wind
The width direction in the road 4 vertically secondary length direction in air duct 4 and the air inlet direction of air inlet 1, the width in secondary air duct 4 can be with
Width direction maximum width in the same direction highly can be the maximum height in the same direction with short transverse, secondary 4 length L3 of air duct and spiral case
The ratio of length L4 needs to meet 0.5≤L3/L4≤0.8.
Refering to what is shown in Fig. 6, spiral case is in use, blower 5 under the first air outlet 21 and the smooth situation of the second air outlet 31
Rotation enters gas in spiral case from air inlet 1, is then tapped off into the first main air duct 2 and the second main air duct 3, last air-flow from
First air outlet 21 and the discharge of the second air outlet 31.
Refering to what is shown in Fig. 7, blocking the second air outlet 31 according to use demand, gas forms direction in the second main air duct 3
The counter-current gas of fan blade flowing, counter-current gas is entered in secondary air duct 4 by the second ventilation opening 32, then from 22 row of the first ventilation opening
Secondary air duct 4 out, and entering in the first main air duct 2, the gas mixed flow in counter-current gas and the first main air duct 2 is from the first air outlet 21
Discharge, the guide functions in secondary air duct 4 avoid excessive counter-current gas and flow to fan blade leaf road, ensure that 5 efficiency of blower, spiral case knot
Structure is simple, and production cost is low, and stability is good.
A kind of 5 system of blower, including spiral case.
Refering to what is shown in Fig. 8, the present embodiment also provides a kind of air conditioner, including spiral case, outer housing 6, blower 5,8 and of evaporator
Grid 7, outer housing 6 are provided with fresh air inlet, and evaporator 8 is arranged at fresh air inlet, and the setting of grid 7 is in 8 outside of evaporator, snail
Shell is arranged inside outer housing 6, and the air outlet of the corresponding spiral case of outer housing 6 is provided with air outlet 9, and blower 5 is arranged in air inlet 1
Interior, air inlet 1 is towards fresh air inlet, and spiral case includes using two main air ducts, and air conditioner may be implemented two main air ducts while go out
3 outlet air of wind, 2 outlet air of the first main air duct or the second main air duct.Compare other using two fans, three fan system air conditioner,
Using the air conditioner of this programme spiral case, on the basis of meeting air quantity requirement, blower fan system quantity is enormously simplified, was both dropped
Low material cost can simplify installation work-hour again, improve assembly efficiency, greatly reduce mass customization.
In the present solution, evaporator 8 can be discoid or rectangular plate-like, or, as shown in connection with fig. 9, the cross section of evaporator 8
Shape is " V " shape, can change 8 shape of evaporator according to heat exchange property and 6 dimensional space of outer housing, guarantee air conditioner refrigeration or
Heating effect.
With reference to shown in Figure 10-11, by the space body of quadrangular shape and approximate triangular prism shape inside outer housing
Space body superposition composition, outer housing open up air-supply backwards to the both ends of triangular prism shape space body side in quadrangular shape space body respectively
Mouth 9, alternatively, shell shape can also be cylindrical body or prism, the both ends of any side of outer housing length direction are distinguished
Open up air outlet 9.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (14)
1. a kind of spiral case, which is characterized in that the spiral case has air inlet (1), secondary air duct (4) and connects with the air inlet (1)
Logical main air duct；
The main air duct is provided with two or more, and each main air duct is provided with air outlet, and the pair air duct (4) is connected to each
A main air duct, the counter-current gas flow that the pair air duct (4) is formed after being used to guide the air outlet of any main air duct to block
In to the smooth main air duct of other air outlets.
2. spiral case according to claim 1, which is characterized in that the pair air duct (4) is arranged in the main air duct backwards to institute
State the side of air inlet (1), the main air duct corresponds to the secondary air duct (4) and is provided with for being connected to the secondary air duct (4)
Ventilation opening.
3. spiral case according to claim 1, which is characterized in that the air outlet is located at the main air duct far from the air inlet
One end of mouth (1), and air outlet direction is opposite with the air inlet (1) direction.
4. spiral case according to claim 2, which is characterized in that the ventilation opening and the air outlet are located at the main air duct
It is ipsilateral.
5. spiral case according to claim 2, which is characterized in that using flow direction of the air-flow in the main air duct as length
Direction, ventilation opening length and air outlet length in the same main air duct indicates with L1 and L2 respectively, 0.2≤L1/L2
≤0.55。
6. spiral case according to claim 1, which is characterized in that there are two radial along the air inlet (1) for the spiral case tool
The main air duct that direction extends, and two main air duct extending directions are opposite.
7. spiral case according to claim 6, which is characterized in that the pair air duct (4) is prism or cylindrical structure.
8. spiral case according to claim 6, which is characterized in that two main air ducts offer respectively for the pair
The ventilation opening of air duct (4) connection；
Using flow direction of the air-flow in the secondary air duct (4) as length direction, two ventilation openings respectively correspond the secondary air duct
(4) both ends of length direction.
9. spiral case according to claim 8, which is characterized in that it is described pair air duct (4) length indicated with L3, the spiral case
Length indicates with L4,0.5≤L3/L4≤0.8.
10. spiral case according to claim 8, which is characterized in that the vertical secondary wind of the width direction of the pair air duct (4)
The length direction in road (4) and the air inlet direction of the air inlet (1)；
The width of the pair air duct (4) indicates that the air outlet width of the main air duct is indicated with L6 with L5,0.8≤L5/L6≤
1.1。
11. spiral case according to claim 10, which is characterized in that the short transverse of the pair air duct (4) and the air inlet
Mouth (1) air inlet direction is identical；
The length of the ventilation opening indicates that the height of the pair air duct (4) is indicated with H1,0.8≤H1/L1≤1.25 with L1.
12. a kind of blower fan system, which is characterized in that including spiral case described in claim 1-11 any one.
13. a kind of air conditioner, which is characterized in that including spiral case described in claim 1-11 any one.
14. air conditioner according to claim 13, the air conditioner further includes outer housing (6), blower (5), evaporator (8)
With grid (7), the outer housing (6) is provided with fresh air inlet, and the evaporator (8) is arranged at fresh air inlet, the grid
(7) setting is on the outside of evaporator (8), it is characterised in that:
The spiral case setting is internal in the outer housing (6), and the air outlet of the corresponding spiral case of the outer housing (6), which is provided with, to be sent
Air port (9), the blower (5) setting is in the air inlet (1), and the air inlet (1) is towards the fresh air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920527850.5U CN209724795U (en) | 2019-04-17 | 2019-04-17 | A kind of spiral case and blower fan system and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920527850.5U CN209724795U (en) | 2019-04-17 | 2019-04-17 | A kind of spiral case and blower fan system and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN209724795U true CN209724795U (en) | 2019-12-03 |
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ID=68691948
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944831A (en) * | 2019-04-17 | 2019-06-28 | 珠海格力电器股份有限公司 | A kind of spiral case and blower fan system and air conditioner |
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2019
- 2019-04-17 CN CN201920527850.5U patent/CN209724795U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944831A (en) * | 2019-04-17 | 2019-06-28 | 珠海格力电器股份有限公司 | A kind of spiral case and blower fan system and air conditioner |
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