CN105890099A - Air supply system and indoor unit and air conditioner applying same - Google Patents
Air supply system and indoor unit and air conditioner applying same Download PDFInfo
- Publication number
- CN105890099A CN105890099A CN201610383218.9A CN201610383218A CN105890099A CN 105890099 A CN105890099 A CN 105890099A CN 201610383218 A CN201610383218 A CN 201610383218A CN 105890099 A CN105890099 A CN 105890099A
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- Prior art keywords
- blower fan
- air
- fan
- air outlet
- outlet
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an air supply system especially suitable for a centrifugal air channel. A gap is formed in an upper centrifugal fan volute air outlet diffusion section, and air output by a middle fan is sucked into the upper centrifugal fan volute air outlet diffusion section under the air outlet effect of an upper fan when reaching the gap of the upper centrifugal fan volute air outlet diffusion section and is blown outwards in a planar and forward mode changed from a vertical and upward mode under the wall attachment effect; due to the gap of the upper centrifugal fan volute air outlet diffusion section, the air outlet space of the middle fan is enlarged, and therefore the air capacity of the middle fan is improved. The invention further discloses an indoor unit and an air conditioner applying the air supply system.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly to a kind of supply air system and apply its indoor set and
Air-conditioning.
Background technology
In order to increase air quantity to improve heat transfer effect, having been designed that novel air-conditioning at present, it has
Multiple blower fans carry out air-out via same air outlet.But find through practice, use in existing structure
The supply air system fit system of multiple blower fans, its air-out effect is not the most very good.
As a example by common vertical air conditioner cabinet, as it is shown in figure 1, it is by three centrifugal blower longitudinal arrangement groups
Conjunction forms, and fan 1 therein and middle blower fan 2 are outwards blows via the upper air outlet of body.In order to
In guarantee, blower fan 2 has the exhaust passage of both single air-out space, fan 1 and middle blower fan 2 to be to stagger to set
Meter: the air-out of middle blower fan 2 needs after one section of vertical air channel flows up, with going out of fan 1
Wind is together outwards blown via the upper air outlet of body.
Bigger windage, the effect in the most above-mentioned vertical air channel, its air-out is there is in middle blower fan 2 because structure limits
Efficiency is the highest.It addition, the air-out of middle blower fan 2 passes through its rear, above-mentioned air channel to for along straight up, making
The situation that in must existing during air outlet on air-conditioning, blower fan 2 air-out is on the upper side, thus cause air outlet on air-conditioning to go out
Wind entirety is on the upper side；So, when air-conditioning heating runs, it will cause hot blast to send downwards, lead
It is low that cause heats room lower floor temperature, and temperature layer is uneven.
Summary of the invention
In view of this, the invention provides a kind of supply air system, design by optimizing duct outlet, profit
Effect attracting when flowing with same direction fluid, thus play the first blower fan air-out assist the second blower fan air-out to
The effect of Inner guide, and then reach the lifting effect to the second fan delivery.
Present invention also offers a kind of indoor set applying above-mentioned supply air system.
Present invention also offers a kind of air-conditioning applying above-mentioned supply air system.
For achieving the above object, the present invention provides following technical scheme:
A kind of supply air system, including the first blower fan blown to same air outlet and the second blower fan and described
First blower fan is to the distance of described air outlet, less than the distance of described second blower fan to described air outlet；
It is provided with water conservancy diversion between the ducting outlet and the inside, air channel of described first blower fan of described second blower fan
Path.
Preferably, described guide passage is communicated in the ducting outlet of described second blower fan and described first blower fan
Air channel latter end between.
Preferably, described first blower fan is centrifugal blower, and described guide passage is connected to described centrifugal blower
Spiral case air outlet diffuser.
Preferably, the ducting outlet of described second blower fan is arranged at the shell of described first blower fan, described
Breach is offered, between the ducting outlet of described breach and described second blower fan on the housing of the first blower fan
Form described guide passage.
Preferably, described first blower fan is centrifugal blower, and described breach is opened in the snail of described centrifugal blower
Shell air outlet diffuser.
Preferably, described second blower fan is centrifugal blower.
Preferably, described first blower fan is fan, and described second blower fan is that installation site is less than on described
The middle blower fan of blower fan, described same air outlet is the upper air outlet higher than described fan.
Preferably, also including that installation site is less than the lower blower fan of described middle blower fan, described leeward machine can be to
Blow less than its lower air outlet.
A kind of indoor set, including supply air system, described supply air system is above-mentioned supply air system.
A kind of air-conditioning, including supply air system, described supply air system is above-mentioned supply air system.
From above-mentioned technical scheme it can be seen that the supply air system that provides of the present invention, separate out air port farther out
There is bigger windage because structure limits in the second blower fan, its air-out arrives wind speed meeting during the first blower fan position
Air-out wind speed less than the first blower fan；This programme is by the ducting outlet of the second blower fan and the first blower fan
Air channel is provided with guide passage between inside, effect attracting when utilizing same direction fluid to flow, so that
Second blower fan air-out air-flow is toward the first blower fan internal adsorption, thus plays the first blower fan air-out and assist the second blower fan
Air-out is to the effect of Inner guide, and have a certain upgrade effect to the second fan delivery.Present invention also offers
A kind of indoor set applying above-mentioned supply air system and air-conditioning.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of air-conditioning duct of the prior art；
Air-conditioning duct that Fig. 2 provides for the embodiment of the present invention and fan diffuser gap position schematic diagram；
Fig. 3 is the partial enlargement structural representation before fan diffuser digs breach in Fig. 1；
Fig. 4 is the partial enlargement structural representation after fan diffuser digs breach in Fig. 2；
The gas flow schematic diagram in the internal air channel of air-conditioning that Fig. 5 provides for the embodiment of the present invention；
The gas flow schematic diagram of the outside air-out of air-conditioning that Fig. 6 provides for the embodiment of the present invention.
Wherein, 1 is fan, and 2 is middle blower fan, and 3 is lower blower fan, and 4 is breach.
Detailed description of the invention
The core of the present invention is to disclose a kind of supply air system, designs by optimizing duct outlet, profit
Effect attracting when flowing with same direction fluid, thus play the first blower fan air-out assist the second blower fan air-out to
The effect of Inner guide, and then adjust air-out direction the effect that reaches the second fan delivery is had a certain upgrade.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
The supply air system that the embodiment of the present invention provides, including the first blower fan blown to same air outlet and the
Two blower fans, and the first blower fan is to the distance of air outlet, less than the distance of the second blower fan to air outlet；First
Blower fan and the second blower fan have respective air channel, and both air channels all guide above-mentioned same air outlet；
Its core improvement is, inside the ducting outlet of the second blower fan and the air channel of the first blower fan (i.e.
The gas flow channel surrounded therein by air channel sidewall) between be provided with guide passage.Such as, adopt
Be communicated in the ducting outlet of the second blower fan with pipeline one end, the other end is communicated in inside the air channel of the first blower fan,
I.e. formed from the ducting outlet of the second blower fan via above-mentioned pipeline communication in leading within the air channel of the first blower fan
Circulation flow path；In addition to above-mentioned entity connected mode, it is also possible to the ducting outlet of the second blower fan is arranged at
At the shell of the first blower fan, and offer breach on the housing of the first blower fan, i.e. formed from the second blower fan
Ducting outlet be communicated in the guide passage within air channel of the first blower fan via above-mentioned breach.
From above-mentioned technical scheme it can be seen that the supply air system of embodiment of the present invention offer, separate out air port
Bigger windage is there is in the second blower fan farther out because structure limits, when its air-out arrives the first blower fan position
Wind speed can be less than the air-out wind speed of the first blower fan；This programme is by the ducting outlet and first at the second blower fan
It is provided with guide passage between the inside, air channel of blower fan, effect attracting when utilizing same direction fluid to flow, from
And make the second blower fan air-out air-flow toward the first blower fan internal adsorption, thus play the first blower fan air-out auxiliary the
Two blower fan air-out are to the effect of Inner guide, and have a certain upgrade effect to the second fan delivery；
It addition, the restriction arranged in view of space, the air-out direction of the first blower fan and the second blower fan is to stagger not
With, and the duct outlet separating out the first nearer blower fan of air port is pointing directly at preferable air-out direction, enters
And achieve adjustment the second blower fan air-out direction.
As preferably, guide passage is communicated in the ducting outlet of the second blower fan and the air channel latter end of the first blower fan
Between, it is the optimum position of guide passage connection at the first fan air channel air outlet position, its wind speed and side
More satisfactory to being, it is possible to preferable water conservancy diversion effect is played in the air-out to the second blower fan.
Concrete, the first blower fan is centrifugal blower, and guide passage is connected to the spiral case air outlet of centrifugal blower
Diffuser.By connecting guide passage at the first volute of blower air outlet diffuser so that the second blower fan
When air-out arrives the first volute of blower air outlet diffuser gap position, by the first blower fan air-out effect, quilt
Suck the first fan outlet diffuser, and under the influence of wall attachment effect, change gas flow direction；With
The design of Shi Yinwei the first volute of blower air outlet diffuser breach so that the second blower fan air-out space increases,
And then promote the second fan delivery.Certainly, the first blower fan can be to use the blower fan of other forms, such as axle
Flow fans etc., guide passage link position thereon is also not limited to latter end, as long as wind speed is higher than the
The part of two blower fan air-out is just.
Guide passage can be in the way of using pipeline connection.In order to optimize above-mentioned technical scheme further,
The ducting outlet of the second blower fan is arranged at the shell of the first blower fan, the housing of the first blower fan offers scarce
Mouth 4, i.e. forms above-mentioned guide passage between breach 4 and the ducting outlet of the second blower fan.The present embodiment
By directly on the first Blower Housing by the way of gap 4, it is to avoid the entity connecting tube that introducing is extra
Road, simple in construction, do not increase windage and reduce air quantity, it is easy to processing realizes, it is possible on existing product
Directly transformation.
In the specific embodiment that this programme provides, the first blower fan is centrifugal blower, and above-mentioned breach 4 is offered
At the spiral case air outlet diffuser of centrifugal blower, by this design, the second blower fan air-out space is increased,
And then promoting the second fan delivery, its structure is referred to shown in Fig. 2-Fig. 4.The air channel of the second blower fan goes out
Mouth can be arranged on spiral case air outlet diffuser at the shell of the first blower fan.
As preferably, the second blower fan is centrifugal blower, it is possible to more preferably meet the equipment requirement for air-supply.
Design by optimizing centrifugal air duct air outlet, utilize the low of fan 1 centrifugal air duct volute outlet diffuser
Pressure, blower fan 2 air-out in absorption, and then adjust air-out direction and reach centering blower fan 2 air quantity and have certain
Promote effect.In view of fan 1 efficiency wants height, there is bigger windage because structure limits in middle blower fan 2,
Fan 1 air-out wind speed is higher than middle blower fan 2, and its air outlet air-flow flows through this than middle blower fan 2 fluid
During position low, so that middle blower fan 2 air-out air-flow is toward internal adsorption.
As in figure 2 it is shown, in the embodiment that this programme provides, the first blower fan is fan 1, the second blower fan
Be less than the middle blower fan 2 of fan 1 for installation site, same air outlet is the upper air outlet higher than fan 1.
Concrete, fan 1 and middle blower fan 2 are centrifugal blower.Fig. 3 and Fig. 4 is that breach offers position pair
Ratio schematic diagram, illustrates centrifugal blower (i.e. fan 1) diffuser position breach design attitude.Its
Optimum position is at upper centrifugal air duct air outlet position, effect attracting when utilizing same direction fluid to flow, from
And play fan 1 air-out auxiliary in blower fan 2 air-out to the effect of Inner guide, and with fan 1 air-out
Together enter upper centrifugal fan air outlet diffuser after collecting, and under the influence of wall attachment effect by vertically to
On be changed into plane and blow out forward, gas flows as shown in Figure 5.Follow-up recycling air outlet wind deflector is pressed
Demand realizes air-out obliquely, horizontal air-out or air-out obliquely.Simultaneously as upper centrifugal blower volute goes out
The design of air port diffuser breach so that middle blower fan air-out space increases, and then fan delivery in lifting.
In order to optimize above-mentioned technical scheme further, the supply air system that the embodiment of the present invention provides, also wrap
Including the installation site lower blower fan 3 less than middle blower fan 2, this lower blower fan 3 can send to the lower air outlet less than it
Wind.Enriching air-out mode by increasing lower blower fan 3, heat transfer effect is more preferable.Certainly, the setting of blower fan
Mode is not limited only to this, and the first blower fan and the second blower fan can be the air-supply of same lower air outlet, or
Person is arranged in same level, on the left of it or right side same air outlet air-supply, etc..
The embodiment of the present invention additionally provides a kind of indoor set, and including supply air system, its core improvement is,
Supply air system is above-mentioned supply air system, vertical cabinet-type air conditioner as shown in Figure 2.
The embodiment of the present invention additionally provides a kind of air-conditioning, and including supply air system, its core improvement is,
Supply air system is above-mentioned supply air system；Including integral type and split type, the most above-mentioned indoor set.
In sum, embodiments provide a kind of supply air system, be particularly well-suited to centrifugal air duct,
By offering a breach at upper centrifugal blower volute air outlet diffuser so that middle blower fan air-out arrives
During upper centrifugal blower volute air outlet diffuser gap position, by fan air-out effect, be inhaled into from
Heart fan outlet diffuser, and by being changed into plane blow forward straight up under the influence of wall attachment effect
Go out；Simultaneously as the design of upper centrifugal blower volute air outlet diffuser breach so that middle blower fan air-out is empty
Between increase, and then promote in fan delivery.The embodiment of the present invention additionally provides the above-mentioned air-supply system of a kind of application
The indoor set of system and air-conditioning.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a supply air system, including the first blower fan blown to same air outlet and the second blower fan, and institute
State first blower fan distance to described air outlet, less than the distance of described second blower fan to described air outlet；
It is characterized in that, in the inside, air channel of the ducting outlet of described second blower fan and described first blower fan
Between be provided with guide passage.
Supply air system the most according to claim 1, it is characterised in that described guide passage is communicated in
Between ducting outlet and the air channel latter end of described first blower fan of described second blower fan.
Supply air system the most according to claim 1, it is characterised in that described first blower fan is centrifugal
Blower fan, described guide passage is connected to the spiral case air outlet diffuser of described centrifugal blower.
Supply air system the most according to claim 1, it is characterised in that the air channel of described second blower fan
Outlet is arranged at the shell of described first blower fan, and the housing of described first blower fan offers breach (4),
Described guide passage is formed between the ducting outlet of described breach (4) and described second blower fan.
Supply air system the most according to claim 4, it is characterised in that described first blower fan is centrifugal
Blower fan, described breach (4) is opened in the spiral case air outlet diffuser of described centrifugal blower.
Supply air system the most according to claim 1, it is characterised in that described second blower fan is centrifugal
Blower fan.
7. according to the supply air system described in claim 1-6 any one, it is characterised in that described first
Blower fan is fan (1), and described second blower fan is the apoplexy that installation site is less than described fan (1)
Machine (2), described same air outlet is the upper air outlet higher than described fan (1).
Supply air system the most according to claim 7, it is characterised in that also include that installation site is less than
The lower blower fan (3) of described middle blower fan (2), described lower blower fan (3) can be to less than its lower air outlet
Air-supply.
9. an indoor set, including supply air system, it is characterised in that described supply air system is that right such as is wanted
Seek the supply air system described in 1-8 any one.
10. an air-conditioning, including supply air system, it is characterised in that described supply air system is that right such as is wanted
Seek the supply air system described in 1-8 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383218.9A CN105890099B (en) | 2016-06-01 | 2016-06-01 | A kind of supply air system and indoor unit and air-conditioning using it |
| PCT/CN2017/083548 WO2017206672A1 (en) | 2016-06-01 | 2017-05-09 | Air supply system and indoor unit and air conditioner using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383218.9A CN105890099B (en) | 2016-06-01 | 2016-06-01 | A kind of supply air system and indoor unit and air-conditioning using it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105890099A true CN105890099A (en) | 2016-08-24 |
| CN105890099B CN105890099B (en) | 2019-10-22 |
Family
ID=56710785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610383218.9A Active CN105890099B (en) | 2016-06-01 | 2016-06-01 | A kind of supply air system and indoor unit and air-conditioning using it |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105890099B (en) |
| WO (1) | WO2017206672A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107101267A (en) * | 2017-05-05 | 2017-08-29 | 珠海格力电器股份有限公司 | Differentiating method, the device of air conditioner and air conditioner fan and lower blower fan |
| WO2017206672A1 (en) * | 2016-06-01 | 2017-12-07 | 珠海格力电器股份有限公司 | Air supply system and indoor unit and air conditioner using same |
| CN110285487A (en) * | 2019-06-25 | 2019-09-27 | 宁波奥克斯电气股份有限公司 | A kind of air conditioner |
| CN110749057A (en) * | 2019-10-31 | 2020-02-04 | 广东美的制冷设备有限公司 | Air conditioner control method and system and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160152A (en) * | 2019-06-25 | 2019-08-23 | 宁波奥克斯电气股份有限公司 | A kind of air conditioner |
| CN110671746A (en) * | 2019-11-04 | 2020-01-10 | 珠海格力电器股份有限公司 | Air duct structure, indoor unit and air conditioner |
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| WO2017206672A1 (en) * | 2016-06-01 | 2017-12-07 | 珠海格力电器股份有限公司 | Air supply system and indoor unit and air conditioner using same |
| CN107101267A (en) * | 2017-05-05 | 2017-08-29 | 珠海格力电器股份有限公司 | Differentiating method, the device of air conditioner and air conditioner fan and lower blower fan |
| CN110285487A (en) * | 2019-06-25 | 2019-09-27 | 宁波奥克斯电气股份有限公司 | A kind of air conditioner |
| CN110749057A (en) * | 2019-10-31 | 2020-02-04 | 广东美的制冷设备有限公司 | Air conditioner control method and system and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105890099B (en) | 2019-10-22 |
| WO2017206672A1 (en) | 2017-12-07 |
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Inventor after: Dong Mingzhu Inventor after: Zhu Rirong Inventor after: He Zhenjian Inventor after: Liu Mingxiao Inventor after: Cheng Chunyu Inventor after: Lin Jinhuang Inventor after: Xiao Linhui Inventor after: Chen Cheng Inventor after: Lai Cong Inventor after: Lv Qianhao Inventor before: He Zhenjian Inventor before: Liu Mingxiao Inventor before: Cheng Chunyu Inventor before: Lin Jinhuang Inventor before: Xiao Linhui Inventor before: Chen Cheng Inventor before: Lai Cong Inventor before: Lv Qianhao Inventor before: Zhu Rirong |