CN104131988A - Draught fan system, air conditioning system and control method of air conditioning system - Google Patents
Draught fan system, air conditioning system and control method of air conditioning system Download PDFInfo
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- CN104131988A CN104131988A CN201410339310.6A CN201410339310A CN104131988A CN 104131988 A CN104131988 A CN 104131988A CN 201410339310 A CN201410339310 A CN 201410339310A CN 104131988 A CN104131988 A CN 104131988A
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Abstract
The invention provides a draught fan system, an air conditioning system and a control method of the air conditioning system. The draught fan system comprises a shell, a first wind generation device and a second wind generation device, wherein the first wind generation device is arranged on the top of the shell, the second wind generation device is arranged on the bottom of the shell, the first wind generation device and the second wind generation device are arranged oppositely and respectively comprise at least two axial-flow blades, the axial-flow blades of the first wind generation device are arranged on the top of the shell side by side, and the axial-flow blades of the second wind generation device are arranged on the bottom of the shell side by side. According to the draught fan system, the air conditioning system and the control method of the air conditioning system, due to the fact that the first wind generation device and the second wind generation device are installed on the top and the bottom of the shell respectively, the external dimension of the draught fan system is reduced, and the dimension of the air conditioning system is reduced.
Description
Technical field
The present invention relates to field of air conditioning, particularly relate to a kind of blower fan system that contains axial-flow leaf, the air-conditioning system that contains above-mentioned blower fan system, and the controlling method of above-mentioned air-conditioning system.
Background technique
Usually, cross flow fan is because it has simple structure, straight uniform air-out and the higher advantages such as dynamic pressure performance, is widely used in the indoor set of occasion, particularly SPLIT AIR-CONDITIONING SYSTEM of the low pressure ventilation ventilations such as household electrical appliances, laser.But for the performance parameter that guarantees cross flow fan is as air quantity etc., can think that the through-flow fan blade diameter dimension in blower fan system is one of key parameter affecting SPLIT AIR-CONDITIONING SYSTEM boundary dimension, so the general design of the diameter dimension of through-flow fan blade is larger.Can cause like this blower fan system physical dimension of SPLIT AIR-CONDITIONING SYSTEM bigger than normal, cause the thickness of SPLIT AIR-CONDITIONING SYSTEM larger, and air-out mode be single.
Summary of the invention
Based on this, be necessary to be arranged in SPLIT AIR-CONDITIONING SYSTEM for existing through-flow fan blade, there is SPLIT AIR-CONDITIONING SYSTEM physical dimension problem bigger than normal, a kind of blower fan system that can reduce the physical dimension of SPLIT AIR-CONDITIONING SYSTEM is provided, the air-conditioning system that contains above-mentioned blower fan system, and the controlling method of above-mentioned air-conditioning system.Above-mentioned purpose is achieved through the following technical solutions:
A kind of blower fan system, comprise that housing, first produces wind apparatus and second and produces wind apparatus, described first produces the top that wind apparatus is arranged on described housing, and described second produces the bottom that wind apparatus is arranged on described housing, and described first produces wind apparatus and be oppositely arranged with described the second product wind apparatus;
Described the first product wind apparatus and described second produces wind apparatus and includes at least two axial-flow leafs, the described first axial-flow leaf that produces wind apparatus is arranged side by side the top at described housing, and the described second axial-flow leaf that produces wind apparatus is arranged side by side the bottom at described housing.
In an embodiment, the diameter of described axial-flow leaf is identical therein.
In an embodiment, described blower fan system also comprises heat exchanger therein, and the sectional shape of described heat exchanger is V-arrangement or Λ shape.
In an embodiment, the described first distance of producing between wind apparatus and the center of described heat exchanger is less than the described second distance of producing between wind apparatus and the center of described heat exchanger therein.
Also relate to a kind of air-conditioning system, comprise the blower fan system as described in above-mentioned arbitrary technical characteristics.
Therein in an embodiment, under refrigeration mode, described first produces in wind apparatus axial-flow leaf operation described at least one; Described second produces that wind apparatus does not move or described second produces at least one axial-flow leaf operation in wind apparatus;
The sense of rotation of the described axial-flow leaf of all operations in described the first product wind apparatus is identical, and the sense of rotation of the described axial-flow leaf of all operations in described the second product wind apparatus is identical;
And described second produces sense of rotation and described first direction of rotation of producing the axial-flow leaf in wind apparatus of the axial-flow leaf in wind apparatus.
Therein in an embodiment, under heating mode, described second produces in wind apparatus axial-flow leaf operation described at least one; Described first produces that wind apparatus does not move or described first produces at least one axial-flow leaf operation in wind apparatus;
The sense of rotation of the described axial-flow leaf of all operations in described the first product wind apparatus is identical, and the sense of rotation of the described axial-flow leaf of all operations in described the second product wind apparatus is identical;
And described first produces sense of rotation and described second direction of rotation of producing the axial-flow leaf in wind apparatus of the axial-flow leaf in wind apparatus.
In an embodiment, on described housing, corresponding described the first product wind apparatus place is provided with the first inlets and putlets of ventilation therein, and on described housing, corresponding described the second product wind apparatus place is provided with the second inlets and putlets of ventilation.
In an embodiment, under refrigeration mode, described the first inlets and putlets of ventilation is exhaust outlet therein, and described the second inlets and putlets of ventilation is intake grill;
Under heating mode, described the first inlets and putlets of ventilation is intake grill, and described the second inlets and putlets of ventilation is exhaust outlet.
The controlling method that also relates to a kind of air-conditioning system, under refrigeration mode, first produces at least one axial-flow leaf operation in wind apparatus, and second produces that wind apparatus does not move or described second produces at least one axial-flow leaf operation in wind apparatus; Air produces wind apparatus from described second and flows to described the first product wind apparatus.
The controlling method that also relates to a kind of air-conditioning system, under heating mode, first produces that wind apparatus does not move or described first produces at least one axial-flow leaf operation in wind apparatus, and second produces at least one axial-flow leaf operation in wind apparatus; Air produces wind apparatus from described first and flows to described the second product wind apparatus.
The invention has the beneficial effects as follows:
Blower fan system of the present invention, air-conditioning system and controlling method thereof, structural design advantages of simple, top and bottom at housing are separately installed with the first product wind apparatus and the second product wind apparatus, by the first product wind apparatus and second, produce the air quantity that wind apparatus guarantees blower fan system, and then can reduce the diameter dimension that the first product wind apparatus and second produces wind dress Axial-Flow fan blade, reduce the apparent size of blower fan system of the present invention, and then reduce the size of air-conditioning system.
Accompanying drawing explanation
Fig. 1 is the stereogram of the blower fan system of one embodiment of the invention;
Wherein:
100-blower fan system;
110-housing; 120-first produces wind apparatus; 130-second produces wind apparatus; 140-heat exchanger.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearer, by the following examples, and by reference to the accompanying drawings, blower fan system of the present invention, air-conditioning system and controlling method thereof are further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, blower fan system 100 of the present invention, comprise that housing 110, first produces wind apparatus 120 and second and produces wind apparatus 130, first produces the top that wind apparatus 120 is arranged on housing 110, second produces the bottom that wind apparatus 130 is arranged on housing 110, and the first product wind apparatus 120 and second produces wind apparatus 130 and is oppositely arranged, the first product wind apparatus 120 and second produces wind apparatus 130 and includes at least two axial-flow leafs, the first axial-flow leaf that produces wind apparatus is arranged side by side at the top of housing 110, and the second axial-flow leaf that produces wind apparatus 130 is arranged side by side the bottom at housing 110.
Current SPLIT AIR-CONDITIONING SYSTEM adopts through-flow fan blade to carry out ventilation, but in order to guarantee that SPLIT AIR-CONDITIONING SYSTEM has the air quantity of larger ventilation, the diameter dimension of through-flow fan blade is conventionally larger, this has just caused the physical dimension of blower fan structure bigger than normal, and then causes the thickness of SPLIT AIR-CONDITIONING SYSTEM thicker.Therefore, blower fan system 100 of the present invention produces wind apparatus 120 and second by first and produces the larger through-flow fan blade of wind apparatus 130 replacement diameter, the first product wind apparatus 120 and second produces wind apparatus 130 and includes at least two axial-flow leafs simultaneously, produces wind apparatus 130 carry out ventilation by the first product wind apparatus 120 and second.In order to guarantee the product air quantity of blower fan system 100, blower fan system 100 of the present invention produces wind apparatus 120 and second by first and produces wind apparatus 130 (at least four axial-flow leafs) product wind, when guaranteeing that blower fan system 100 produces air quantity, the diameter dimension that reduces axial-flow leaf that can be suitable, and then reduce the physical dimension of blower fan system 100, finally can reduce the thickness of air-conditioning system.The diameter dimension of axial-flow leaf reduces, the product air quantity of single axial-flow leaf also reduces accordingly, can increase by increasing the number of axial-flow leaf the product air quantity of blower fan system 100, can effectively control the apparent size of blower fan structure, and then the apparent size of assurance air-conditioning system, make the thickness attenuation greatly of air-conditioning system.First produces wind apparatus 120 and second produces in wind apparatus 130, and the quantity of axial-flow leaf can design according to the ventilation performance of blower fan system 100 and the demand of physical dimension, and the quantity of axial-flow leaf can be two, three etc.
In the present embodiment, the first product wind apparatus 120 and second produces wind apparatus 130 and includes three axial-flow leafs, totally six axial-flow leafs, wherein three axial-flow leafs are arranged side by side the bottom at housing 110, other three axial-flow leafs are arranged side by side at the top of housing 110, and the direction that axial-flow leaf is arranged side by side is the length direction along housing 110.Blower fan system 100 of the present invention is by being arranged side by side axial-flow leaf in housing 110 to reach the object that reduces blower fan system 100 physical dimensions.Meanwhile, by two groups of axial-flow leafs being oppositely arranged on to top and the top of housing 110, when guaranteeing blower fan system 100 flows, increase the air-out form of blower fan system 100.Further, the axis of each axial-flow leaf at the top of housing 110 is corresponding one by one with the axis of each axial-flow leaf of the bottom of housing 110, the line of centres that is every two axial-flow leafs that are oppositely arranged is vertical curve, can guarantee that like this axial-flow leaf takies less space, reduce the physical dimension of blower fan system, and then the physical dimension of less air-conditioning system.
As a kind of embodiment, the diameter of axial-flow leaf is identical, when the diameter of axial-flow leaf is identical, the product air quantity of each axial-flow leaf is consistent, now can move by some or some above axial-flow leafs, to produce different wind speed, and then produce different air quantity.Certainly, the diameter of axial-flow leaf also can be different.When the diameter of axial-flow leaf is different, the air quantity that each axial-flow leaf produces is different.Now can control some axial-flow leafs by control gear and move, also can control certain two or certain plural axial-flow leaf by control gear and move, to produce different wind speed, and then produce different air quantity.In the present embodiment, the diameter of axial-flow leaf is identical, in order to solve the single problem of blower fan system 100 air-out of the present invention, can move by some, certain two or certain plural axial-flow leaf, to produce different wind speed, and then produce different air quantity, to guarantee the diversity of blower fan system 100 air-out forms.
As a kind of embodiment, blower fan system 100 also comprises heat exchanger 140, and the sectional shape of heat exchanger 140 is V-arrangement.Certainly, the sectional shape of heat exchanger 140 can also be reversed V-shape, i.e. Λ shape.The heat exchanger 140 of V-arrangement or reversed V-shape can guarantee at blower fan system 100 at limited space in the situation that, to guarantee to greatest extent heat exchange area and the heat exchange efficiency of heat exchanger 140.In the present embodiment, the sectional shape of heat exchanger 140 is reversed V-shape.The effect of heat exchanger 140 is to utilize liquid low-temperature refrigerant under low pressure easily to evaporate and change steam into, and absorbs the heat of the medium that is cooled, and reaches refrigeration object.Further, the first distance of producing between wind apparatus 120 and heat exchanger 140 center is less than the distance between the second product wind apparatus 130 and heat exchanger 140 center.Blower fan system 100 of the present invention is under refrigeration mode, first produces wind apparatus 120 operations, second produces wind apparatus 130 does not move, the axial-flow leaf that is the top of housing 110 rotates, and the axial-flow leaf of the bottom of housing 110 does not rotate, simultaneously, the first inlets and putlets of ventilation is exhaust outlet, the second inlets and putlets of ventilation is intake grill, and the object of heat exchanger 140 is used for freezing, and heat exchanger 140 is relatively good near the first product wind apparatus 120 refrigeration.Therefore, the present invention requires the distance between the first product wind apparatus 120 and heat exchanger 140 center to be less than the distance between the second product wind apparatus 130 and heat exchanger 140 center, and heat exchanger 140 is near the first product wind apparatus 120, away from the second product wind apparatus 130.
Referring to Fig. 1, air-conditioning system of the present invention comprises control gear and blower fan system 100, realizes the function of ventilation by blower fan system 100.Control gear produces wind apparatus 130 with the first product wind apparatus 120 and second respectively and is electrically connected to, and under refrigeration mode or heating mode, control gear is controlled respectively the first product wind apparatus 120 and/or second and produced wind apparatus 130 operations.
Under refrigeration mode, control gear is controlled first and is produced at least one axial-flow leaf operation in wind apparatus 120, control gear is controlled second and is produced that wind apparatus 130 does not move or second produce 130 at least one axial-flow leafs operation in wind apparatus, the sense of rotation of the axial-flow leaf of all operations in the first product wind apparatus 120 is identical, the sense of rotation of the axial-flow leaf of all operations in the second product wind apparatus 130 is identical, and second produces sense of rotation and the first axial-flow leaf direction of rotation of producing in wind apparatus 120 of the axial-flow leaf in wind apparatus 130, make air flow to the first product wind apparatus 120 from the second product wind apparatus 130.Further, the first quantity of producing the axial-flow leaf rotation in wind apparatus 120 is more than or equal to the quantity of the axial-flow leaf rotation of the second product wind apparatus 130.
Under heating mode, control gear is controlled first and is produced that wind apparatus 120 does not move or first produce at least one axial-flow leaf operation in wind apparatus 120, control gear is controlled second and is produced at least one axial-flow leaf operation in wind apparatus 130, the sense of rotation of the axial-flow leaf of all operations in the first product wind apparatus 120 is identical, the sense of rotation of the axial-flow leaf of all operations in the second product wind apparatus 130 is identical, and first produces sense of rotation and the second axial-flow leaf direction of rotation of producing in wind apparatus 130 of the axial-flow leaf in wind apparatus 110, make air flow to the second product wind apparatus 130 from the first product wind apparatus 120.Further, the first quantity of producing the axial-flow leaf rotation in wind apparatus 120 is less than or equal to the quantity of the axial-flow leaf rotation of the second product wind apparatus 130.
The first operation of producing wind apparatus 120 and the second product wind apparatus 130 realizes by control gear.Under refrigeration mode, first produces at least one the axial-flow leaf rotating operation in wind apparatus 120, second produces out of service or at least one axial-flow leaf operation of axial-flow leaf in wind apparatus 130, and the direction of air along the second product wind apparatus 130 to the first product wind apparatus 120 flows; When blower fan system 100 is heating mode, first produces out of service or at least one axial-flow leaf operation of axial-flow leaf in wind apparatus 120, the axial-flow leaf rotating operation of at least one in the second product wind apparatus 130, the direction of air along the first product wind apparatus 120 to the second product wind apparatus 130 flows.
As a kind of embodiment, on housing 110, be provided with the first inlets and putlets of ventilation and the second inlets and putlets of ventilation, on housing 110, corresponding the first product wind apparatus 120 places are provided with the first inlets and putlets of ventilation, and on housing 110, corresponding the second product wind apparatus 130 places are provided with the second inlets and putlets of ventilation.Blower fan system 100 produces wind apparatus 120 and the second product wind apparatus 130 product wind by being arranged on first of housing 110 bottoms, and by the first inlets and putlets of ventilation or the second inlets and putlets of ventilation, discharge housing 110 respectively, can realize air-out or lower air-out on blower fan system 100, improve the travelling comfort of air-conditioning system.Further, the first inlets and putlets of ventilation is positioned at the top of housing 110, and it is corresponding that the first inlets and putlets of ventilation and first produces wind apparatus 120, and the second inlets and putlets of ventilation is positioned at the bottom of housing 110, and it is corresponding that the second inlets and putlets of ventilation and second produces wind apparatus 130.The wind that the first product wind apparatus 120 produces can be discharged housing 110 by the first inlets and putlets of ventilation, and now the first inlets and putlets of ventilation is exhaust outlet.Certainly, extraneous air also can enter in housing 110 by the first inlets and putlets of ventilation, and now the first inlets and putlets of ventilation is intake grill.The wind that the second product wind apparatus 130 produces can be discharged housing 110 by the second inlets and putlets of ventilation, and now the second inlets and putlets of ventilation is exhaust outlet.Certainly, extraneous air also can enter in housing 110 by the second inlets and putlets of ventilation, and now the second inlets and putlets of ventilation is intake grill.
Further, under refrigeration mode, the first inlets and putlets of ventilation is exhaust outlet, and the second inlets and putlets of ventilation is intake grill; Under heating mode, the first inlets and putlets of ventilation is intake grill, and the second inlets and putlets of ventilation is exhaust outlet.Under refrigeration mode, first at least two axial-flow leaf rotating operations that are arranged side by side that produce in wind apparatus 120 at housing 110 tops, second at least two axial-flow leafs that are arranged side by side that produce in wind apparatus 130 of housing 110 bottoms are out of service, the wind that the first product wind apparatus 120 produces is discharged housing 110 by the first inlets and putlets of ventilation, and extraneous air enters housing 110 by the second inlets and putlets of ventilation; Under heating mode, first at least two axial-flow leafs that are arranged side by side that produce in wind apparatus 120 at housing 110 tops are out of service, second at least two axial-flow leaf rotating operations that are arranged side by side that produce in wind apparatus 130 of housing 110 bottoms, the wind that the second product wind apparatus 130 produces is discharged housing 110 by the second inlets and putlets of ventilation, and extraneous air enters housing 110 by the first inlets and putlets of ventilation.
The controlling method of air-conditioning system of the present invention, under refrigeration mode, control gear is controlled first and is produced at least one axial-flow leaf operation in wind apparatus 120;
Control gear is controlled second and is produced that wind apparatus 130 does not move or second produce at least one axial-flow leaf operation in wind apparatus 130, and the second sense of rotation and first of producing wind apparatus 130 at least one axial-flow leaf is produced at least one axial-flow leaf direction of rotation in wind apparatus 120, and the direction of air along the second product wind apparatus 130 to the first product wind apparatus 120 flows.
The controlling method of air-conditioning system of the present invention, under heating mode, control gear control first produce that wind apparatus 120 does not move or in first produce wind apparatus 120 at least one axial-flow leafs operation, and at least one axial-flow leaf direction of rotation in the first sense of rotation of producing wind apparatus 120 at least one axial-flow leaf and the second product wind apparatus 130;
Control gear is controlled second and is produced at least one axial-flow leaf operation in wind apparatus 120, and the direction of air along the first product wind apparatus 120 to the second product wind apparatus 130 flows.
The controlling method of air-conditioning system of the present invention, control gear is controlled first of blower fan system 100 and is produced wind apparatus 120 and/or the second product wind apparatus 130 operations, under refrigeration mode or heating mode, first produces axial-flow leaf and second direction of rotation of producing the axial-flow leaf of wind apparatus 130 of wind apparatus 120.
The above embodiment has only expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (11)
1. a blower fan system, it is characterized in that, comprise that housing, first produces wind apparatus and second and produces wind apparatus, described first produces the top that wind apparatus is arranged on described housing, described second produces the bottom that wind apparatus is arranged on described housing, and described first produces wind apparatus and be oppositely arranged with described the second product wind apparatus;
Described the first product wind apparatus and described second produces wind apparatus and includes at least two axial-flow leafs, the described first axial-flow leaf that produces wind apparatus is arranged side by side the top at described housing, and the described second axial-flow leaf that produces wind apparatus is arranged side by side the bottom at described housing.
2. blower fan system according to claim 1, is characterized in that, the diameter of described axial-flow leaf is identical.
3. blower fan system according to claim 1, is characterized in that, described blower fan system also comprises heat exchanger, and the sectional shape of described heat exchanger is V-arrangement or Λ shape.
4. blower fan system according to claim 3, is characterized in that, the described first distance of producing between wind apparatus and the center of described heat exchanger is less than the described second distance of producing between wind apparatus and the center of described heat exchanger.
5. an air-conditioning system, is characterized in that, comprises the blower fan system described in claim 1 to 4 any one.
6. air-conditioning system according to claim 5, is characterized in that, under refrigeration mode, described first produces in wind apparatus axial-flow leaf operation described at least one; Described second produces that wind apparatus does not move or described second produces at least one axial-flow leaf operation in wind apparatus;
The sense of rotation of the described axial-flow leaf of all operations in described the first product wind apparatus is identical, and the sense of rotation of the described axial-flow leaf of all operations in described the second product wind apparatus is identical;
And described second produces sense of rotation and described first direction of rotation of producing the axial-flow leaf in wind apparatus of the axial-flow leaf in wind apparatus.
7. air-conditioning system according to claim 5, is characterized in that, under heating mode, described second produces in wind apparatus axial-flow leaf operation described at least one; Described first produces that wind apparatus does not move or described first produces at least one axial-flow leaf operation in wind apparatus;
The sense of rotation of the described axial-flow leaf of all operations in described the first product wind apparatus is identical, and the sense of rotation of the described axial-flow leaf of all operations in described the second product wind apparatus is identical;
And described first produces sense of rotation and described second direction of rotation of producing the axial-flow leaf in wind apparatus of the axial-flow leaf in wind apparatus.
8. according to the air-conditioning system described in claim 6 or 7, it is characterized in that, on described housing, corresponding described the first product wind apparatus place is provided with the first inlets and putlets of ventilation, and on described housing, corresponding described the second product wind apparatus place is provided with the second inlets and putlets of ventilation.
9. air-conditioning system according to claim 8, is characterized in that, under refrigeration mode, described the first inlets and putlets of ventilation is exhaust outlet, and described the second inlets and putlets of ventilation is intake grill;
Under heating mode, described the first inlets and putlets of ventilation is intake grill, and described the second inlets and putlets of ventilation is exhaust outlet.
10. a controlling method for air-conditioning system, is characterized in that, under refrigeration mode, first produces at least one axial-flow leaf operation in wind apparatus, and second produces that wind apparatus does not move or described second produce at least one axial-flow leaf operation in wind apparatus; Air produces wind apparatus from described second and flows to described the first product wind apparatus.
The controlling method of 11. 1 kinds of air-conditioning systems, is characterized in that, under heating mode, first produces that wind apparatus does not move or described first produce at least one axial-flow leaf operation in wind apparatus, and second produces at least one axial-flow leaf operation in wind apparatus; Air produces wind apparatus from described first and flows to described the second product wind apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339310.6A CN104131988A (en) | 2014-07-16 | 2014-07-16 | Draught fan system, air conditioning system and control method of air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339310.6A CN104131988A (en) | 2014-07-16 | 2014-07-16 | Draught fan system, air conditioning system and control method of air conditioning system |
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| CN104131988A true CN104131988A (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410339310.6A Pending CN104131988A (en) | 2014-07-16 | 2014-07-16 | Draught fan system, air conditioning system and control method of air conditioning system |
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| CN (1) | CN104131988A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105221464A (en) * | 2015-10-30 | 2016-01-06 | 佛山市神风航空科技有限公司 | A kind of square tube symmetric type blower fan |
| CN109838397A (en) * | 2017-11-24 | 2019-06-04 | 李晓毅 | A kind of sound insulation wall type axial-flow fan |
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| CN101328900A (en) * | 2007-06-19 | 2008-12-24 | 深圳市联创实业有限公司 | Ultra-thin household air conditioning apparatus |
| CN102788034A (en) * | 2012-08-28 | 2012-11-21 | 顾晓烨 | Two-blade air exchange fan capable of simultaneously performing intake and exhaust |
| CN203615496U (en) * | 2013-12-25 | 2014-05-28 | 珠海格力电器股份有限公司 | Air conditioning unit and indoor machine thereof |
| CN204041498U (en) * | 2014-07-16 | 2014-12-24 | 珠海格力电器股份有限公司 | Blower fan system and air-conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04177030A (en) * | 1990-11-09 | 1992-06-24 | Shimizu Corp | Air conditioning system |
| CN101328900A (en) * | 2007-06-19 | 2008-12-24 | 深圳市联创实业有限公司 | Ultra-thin household air conditioning apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105221464A (en) * | 2015-10-30 | 2016-01-06 | 佛山市神风航空科技有限公司 | A kind of square tube symmetric type blower fan |
| CN109838397A (en) * | 2017-11-24 | 2019-06-04 | 李晓毅 | A kind of sound insulation wall type axial-flow fan |
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