CN105371460B - Air supply device - Google Patents
Air supply device Download PDFInfo
- Publication number
- CN105371460B CN105371460B CN201510479315.3A CN201510479315A CN105371460B CN 105371460 B CN105371460 B CN 105371460B CN 201510479315 A CN201510479315 A CN 201510479315A CN 105371460 B CN105371460 B CN 105371460B
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- CN
- China
- Prior art keywords
- air
- blow
- outlet
- fan motor
- impeller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- 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)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The present invention provides a kind of air supply device, prevents being involved in for the air blown out from blow-off outlet, can be improved the rectification effect of air, and copes with the outer static pressure of high machine.The air supply device is configured with fan motor in a side of the suction inlet (40) of the air for the two sides for being set to shell (32), make impeller (31) rotation driving from blow-off outlet (37) blow out air by the driving of fan motor (34), wherein, blowout restriction plate (42) is configured in the setting side of the fan motor (34) of blow-off outlet (37).
Description
Technical field
The present invention relates to air supply devices can be improved sky more particularly to being involved in for the air blown out from blow-off outlet is prevented
The rectification effect of gas, and cope with the air supply device of the outer static pressure of high machine.
Background technique
It is known that, conventionally, there is the ceiling void for being set to building, the structure in storage indoor heat exchanger and Air Blast fan
At unit main body be extended and have insertion (built-in) type air conditioner of blow pipe.This embedded type air conditioning
In machine, the air that heat exchange has been carried out using indoor heat exchanger can be guided via blow pipe to indoor appropriate location
It is blown out to interior, so can not damage indoor beautiful and realize optimal air conditioning.
In the prior art, in this embedded type air conditioner, as Air Blast fan for example using Sirocco fan, but
Have and leads to the problem of noise because of adverse current of the air of Sirocco fan etc..
As the technology for eliminating this noise, following technologies are for example disclosed in the prior art: there is sucking spray
Impeller is stored in the shell of mouth, is equipped with the prominent of the air sucking side end face towards impeller in the air outflow side end of inlet nozzle
Component out (for example, referring to patent document 1).
Existing technical literature
Patent document
Patent document 1
Patent document 1: No. 2598981 bulletins of Japanese Patent Publication No.
Summary of the invention
Subject to be solved by the invention
In the technology that above patent document is recorded, it is believed that by the way that projecting part is arranged in air outflow side end,
The gap for reducing projecting part and impeller in plane, is able to suppress the generation of the adverse current of air.
But in the side of the side for being provided with fan motor of Air Blast fan and not set fan motor, left and right
Air balance is unbalance, so forming the pressure difference of left and right in blow-off outlet, the part for keeping pressure difference big generates air-flow and stagnates.Its result
It is there are problems that generating sound of flapping sound of flapping sound (noise) due to the eddy airstream because losing straight ahead.
In particular, in recent years, for Air Blast fan, it is desirable to the outer static pressure of high machine is coped with, if to utilize small-sized air-supply
Fan copes with the outer static pressure of high machine, then with the generation more significant problem of noise.
The present invention is made in view of above-mentioned point, and it is an object of the present invention to provide a kind of air supply device, prevents from blow-off outlet
The air of blowout is involved in, and can be improved the rectification effect of air, and copes with the outer static pressure of high machine.
A technical solution to solve project
In order to realize the purpose, air supply device of the invention, in the suction inlet of the air of the two sides for being set to shell
One side configures fan motor, drives impeller rotation from blow-off outlet blow out air by the driving of said fans motor,
It is characterized by: being configured with blowout restriction plate in the setting side of the said fans motor of above-mentioned blow-off outlet.
In addition, the present invention is in the structure, it is characterised in that: be equipped with limitation air in another party of above-mentioned suction inlet
The sucking restriction plate of soakage.
In addition, the present invention is in the structure, it is characterised in that: above-mentioned blowout restriction plate is set to the tongue of above-mentioned blow-off outlet
Near portion.
In addition, the present invention is in the structure, it is characterised in that: be arranged in the axis direction substantially central portion of above-mentioned impeller
The inside of above-mentioned impeller is divided into the demarcation plate of said fans motor side and opposite side.
In addition, the present invention is in the structure, it is characterised in that: make the demarcation plate than above-mentioned impeller by being provided with above-mentioned wind
The above-mentioned suction inlet of side of fan motor is with the area ratio of above-mentioned blow-off outlet and than the demarcation plate of above-mentioned impeller by not set
The above-mentioned suction inlet of the side of said fans motor is matched with the area ratio of above-mentioned blow-off outlet.
In addition, the present invention is in the structure, it is characterised in that: above-mentioned shell is accommodated in indoor air.
Invention effect
According to the present invention, blowout restriction plate is configured in the fan motor setting side of blow-off outlet, so utilizing blowout
Restriction plate can limit a part of air quantity of the air blown out from blow-off outlet, can prevent being involved in for air, can be improved fan
The rectification effect of the flowing of the air of side is arranged in motor.
Detailed description of the invention
Fig. 1 is the structure chart for indicating to apply the embodiment of the air conditioner of air supply device of the invention.
Fig. 2 is the perspective view of the air conditioner of present embodiment.
Fig. 3 is the internal plane of the air conditioner of present embodiment.
Fig. 4 is the side view of the air conditioner of present embodiment.
Fig. 5 is the perspective view of the Air Blast fan of present embodiment.
Fig. 6 is the exploded perspective view of the Air Blast fan of present embodiment.
Fig. 7 (a) is the explanatory diagram for indicating the flowing of the air of Air Blast fan of present embodiment, and Fig. 7 (b) is to indicate existing
Air Blast fan air flowing explanatory diagram.
Fig. 8 (a) is the explanatory diagram for indicating the flowing of the air of Air Blast fan of present embodiment, and Fig. 8 (b) is to indicate existing
Air Blast fan air flowing explanatory diagram.
Fig. 9 is the relationship for indicating the machine of the Air Blast fan and existing Air Blast fan of present embodiment outer static pressure and air quantity
Curve graph.
Symbol description
10 air conditioners
14 intake lines
15 blow pipe
20 unit main bodies
21 heat exchangers
24 Sirocco fans
25 Denso casees
30 blades
31 impellers
32 shells
33 rotary shafts
34 fan motors
35 ventilation path
36 scroll portions
37 blow-off outlets
38 canister portions
39 tongues
40 suction inlets
41 demarcation plates
42 blowout restriction plates
43 sucking restriction plates
44 suction openings
Specific embodiment
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.
Fig. 1 is the figure for indicating to apply the embodiment of embedded type air conditioner of air supply device of the invention, is table
Show the side view of the embedded type air conditioner of pipeline specifications.
In present embodiment, embedded type air conditioner 10 is set to 11 He of ceiling of building by suspender suspension
The ceiling void 13 being set between the ceiling 12 of the lower section of the ceiling 11.In the air sucking side of air conditioner 10
Be connected in 12 upper opening of ceiling and the intake line 14 of the snake abdomen shape of the indoor air of inspiration, in the sky of air conditioner 10
Air-blowing go out side be connected with equally ceiling 12 be open and the air after heat exchange indoors is sent to indoor blow pipe
15。
Fig. 2~Fig. 4 is the figure for indicating the details of air conditioner 10, and air conditioner 10 includes the unit main body of box
20.As shown in Figure 2 to 4, the interior side face of unit main body 20 is provided with heat exchanger 21, the heat exchanger 21 is to cover
The mode of the substantially entire surface of the one side of unit main body 20 is installed.In the inside of heat exchanger 21, in heat exchanger 21
The mode of inside snake is provided with heat exchange refrigerant piping 22, is arranged at the both ends of heat exchange refrigerant piping 22
The tubing connection portion 23 of the refrigerant piping (not shown) for the refrigerant for thering is connection to convey from outdoor unit (not shown).
In addition, being provided with the sirocco as Air Blast fan in the another side of the unit main body 20 of air conditioner 10
Fan 24.Moreover, heat exchanger 21 is configured to, by driving Sirocco fan 24, make the room air sucked from intake line 14
Heat exchange is carried out with the refrigerant conveyed from outdoor unit, by the evaporation or condensation of refrigerant, after cooling or heating indoor air,
It is sent to the room via blow pipe 15.
In addition, being provided with the Denso case 25 of operating control in an end face of unit main body 20.The bottom plate of unit main body 20
It is formed slopely in such a way that side slightly reduces, the bottom plate is as the drain pan hair for recycling the draining dripped from heat exchanger 21
Wave function.
Then, Sirocco fan 24 is described in detail.
Fig. 5 and Fig. 6 indicates the details of Sirocco fan 24, and Sirocco fan 24 includes: to have multiple blades 30 around
Tubular impeller 31, store the shell 32 of the impeller 31 and make the leaf with the connection of the rotary shaft 33 (referring to Fig. 8) of impeller 31
The fan motor 34 of 31 rotation driving of wheel.
Shell 32 includes: the vortex that impeller 31 is covered in a manner of forming the ventilation path 35 of vortex shape between impeller 31
Portion 36 and the canister portion 38 for linking scroll portion 36 and blow-off outlet 37.In addition, shell 32 includes the tongue as the basic point of ventilation path 35
39, tongue 39 be with part near the immediate position of the outer peripheral surface of impeller 31, play the scroll portion 36 and cylinder of shell 32
The effect linked on one side in portion 38.
In addition, being formed with the opening of the round as suction inlet 40 in the two sides of shell 32, blow-off outlet 37 is formed as
It is orthogonal with suction inlet 40, so as to the direction blow out air substantially orthogonal with the rotary shaft 33 of impeller 31.
The suction inlet 40 of a side of shell 32 is provided with fan motor 34.The rotary shaft 33 and leaf of fan motor 34
One end connection of wheel 31, becomes the construction of cantilever support impeller 31 by the rotary shaft 33.In addition, the axis direction in impeller 31 is big
Cause center portion to be provided with demarcation plate 41, by the demarcation plate 41, the inside separation of impeller 31 is become a common practice fan 34 side of motor and
Opposite side.
Moreover, driving fan motor 34, rotates impeller 31 via rotary shaft 33, as a result, from the two sides of shell 32
Suction inlet 40 sucks the air of the inside of unit main body 20 and by it from the gap of multiple blades 30 of impeller 31 to radial blowout,
The air is blown out to blow pipe 15 from the blow-off outlet 37 of shell 32.
In addition, in present embodiment, the blow-off outlet 37 of shell 32 is provided with blowout restriction plate 42, blow out restriction plate 42 with
The mode for covering a part of blow-off outlet 37 configures.In present embodiment, blowout restriction plate 42 is configured at the few blow-off outlet of air quantity
The setting side of fan motor 34 is leaned near 37 tongue 39 and than the demarcation plate of impeller 31 41.
In addition, position, the size for blowing out restriction plate 42 etc. of configuration blowout restriction plate 42 can be suitably set, as long as
The side of fan motor 34 is arranged in blow-off outlet 37, can be set in any position.
In addition, being set in present embodiment in 40 part of suction inlet of the side that fan motor 34 is not configured of shell 32
It is equipped with sucking restriction plate 43.Restriction plate 43 is sucked by the outer peripheral portion of closing suction inlet 40, and is formed with suction in center portion
The cricoid plate for entering opening 44 is constituted.Sucking restriction plate 43 limits the amount of the air sucked from suction inlet 40.
The suction inlet 40 for being provided with the side of fan motor 34 blocks suction inlet 40 by fan motor 34, so with not
The suction inlet 40 that the side of fan motor 34 is arranged is compared, and opening area reduces.Therefore, restriction plate is sucked by setting
43, reduce the opening area of the suction inlet 40 of the side of not set fan motor 34, is close to be provided with fan motor
The opening area of the suction inlet 40 of 34 side.
In addition, the opening area of the sucking restriction plate 43 can be suitably set.In present embodiment, blown by suitably setting
The opening area of the size of restriction plate 42 and sucking restriction plate 43 out, makes the demarcation plate 41 than impeller 31 by being provided with fan motor
The suction inlet 40 of the side of machine 34 leans on not set fan motor with the area ratio of blow-off outlet 37 and than the demarcation plate 41 of impeller 31
The suction inlet 40 of the side of machine 34 is matched with the area ratio of blow-off outlet 37.With this configuration, the wind of blow-off outlet 37 can be made
Measure equalization.
Then, the effect of present embodiment is illustrated.
In present embodiment, in the case where making air conditioner 10 work, outdoor unit (not shown) is driven, is made defined
Refrigerant is recycled via refrigerant piping, and drives the fan motor 34 of Sirocco fan 24.Pass through the fan motor
34 driving rotates impeller 31 via rotary shaft 33, thus sucks unit main body 20 from the suction inlet 40 of the two sides of shell 32
Inside air, and by the air from the gap of most blades 30 of impeller 31 to radial blowout, as a result, from intake line 14
Sucking room air makes it through heat exchanger 21.
Moreover, making room air carry out heat exchange with the refrigerant conveyed from outdoor unit by heat exchanger 21, passing through system
The evaporation or condensation of cryogen are blown out to blow pipe 15 from the blow-off outlet 37 of shell 32, send after room air cooling or heating
To interior.
Here, in general, in Sirocco fan 24, when blowout is from the air that suction inlet 40 suck, separate tongue 39
The air quantity of canister portion 38 has the tendency that increasing.Therefore, in blow-off outlet 37, as shown in Fig. 7 (b), sky can be generated near tongue 39
Gas is involved in.
In present embodiment because will blowout restriction plate 42 configuration near the tongue 39 of the few blow-off outlet 37 of air quantity,
And the setting side of fan motor 34 is leaned on than the demarcation plate of impeller 31 41, so the air blown out from blow-off outlet 37 can be limited
The air quantity of the air near tongue 39 in flowing.As a result, as that shown in Fig. 7 (a), can prevent because the air quantity of canister portion 38 is big
The flowing of air and the air for being involved in tongue 39 can be improved the rectification effect of the flowing of the air of the setting side of fan motor 34
Fruit.
In addition, the air quantity blown out originally near tongue 39 is just few, so even if in the feelings for being equipped with blowout restriction plate 42
Under condition, the reduction of the air quantity of blowout 42 bring of restriction plate entirety can be also prevented, moreover, by subtracting using blowout restriction plate 42
The opening area of small blow-off outlet 37, can be improved wind speed.
In addition, the suction inlet 40 for being configured with the side of fan motor 34 is blocked by fan motor 34, so the sucking
The soakage of the air of mouth 40 can significantly reduce.Therefore, from the demarcation plate 41 than impeller 31 by being arranged the one of fan motor 34
The air capacity that the suction inlet 40 of side sucks and the air volume production sucked from the suction inlet 40 of the side of not set fan motor 34
Raw big difference, the difference are directly translated into the difference of the air quantity of blow-off outlet 37.In this way, in blow-off outlet 37, when the separation in impeller 31
When the two sides of plate 41 generate the difference of air quantity, as shown in Fig. 8 (b), being involved in for air, the movement disorder of air are generated.
In present embodiment, sucking is set in 40 part of suction inlet of the side that fan motor 34 is not configured of shell 32
Restriction plate 43, moreover, the opening area of size and sucking restriction plate 43 by suitably setting blowout restriction plate 42, makes to compare impeller
31 demarcation plate 41 is by the suction inlet 40 of side and the area ratio of blow-off outlet 37 provided with fan motor 34 and compares impeller
Suction inlet 40 of 31 demarcation plate 41 by the side of not set fan motor 34 is matched with the area ratio of blow-off outlet 37, is such as schemed
Shown in 8 (a), the flow equalization of the air of blow-off outlet 37 can be made in the two sides of the demarcation plate 41 of impeller 31, sky can be prevented
Gas is involved in.
Fig. 9 is to indicate that measurement is not provided with sucking restriction plate 43 and the existing Sirocco fan 24 for blowing out restriction plate 42 and this
The figure of the result of the relationship of the outer static pressure of the machine of the Sirocco fan 24 of embodiment and air quantity.According to this as a result, in existing west
In Luo Ke fan 24, the outer static pressure of the machine of 210Pa or so is boundary, if obtaining the outer static pressure of machine more than it, generates the sound of flapping and exhales
The noises such as sound.In contrast, in present embodiment, even if in the case where improving static pressure outside machine to 270Pa or so, also not
See the generation for having noise.
As described above, being equipped with blowout restriction plate 42 in blow-off outlet 37, and be equipped with and inhale in suction inlet 40 in present embodiment
Enter restriction plate 43, makes the suction inlet 40 and blow-off outlet 37 of side of the demarcation plate 41 than impeller 31 by being provided with fan motor 34
Area ratio and than the demarcation plate 41 of impeller 31 by not set fan motor 34 side suction inlet 40 and blow-off outlet 37
Area ratio match (consistent), so can the two sides of impeller 31 make blow-off outlet 37 air flow equalization, can
Prevent being involved in for air.Its result can be improved the rectification effect of the flowing of air, even if outside raising machine in the case where static pressure,
Also it is able to suppress the generation of noise.
In addition, in the above-described embodiment, being carried out to the example for being respectively equipped with blowout restriction plate 42 and sucking restriction plate 43
Explanation, but blowout restriction plate 42 at least can also be only set.In this case, using blowout restriction plate 42, it can be in impeller 31
Demarcation plate 41 two sides make blow-off outlet 37 air flow equalization, the effect being involved in of air can be prevented by playing.
In addition, the present invention is not limited to above-mentioned embodiments, and without departing from the scope of spirit of the present invention, Neng Goujin
The various changes of row.
Claims (7)
1. a kind of air supply device, it is characterised in that:
The suction inlet configuration for being set to the side in the suction inlet of the air for the two sides for being set to shell
Fan motor drives impeller rotation from blow-off outlet blow out air by the driving of the fan motor,
It is configured with blowout restriction plate in the setting side of the fan motor of the blow-off outlet,
Being equipped with for the suction inlet in the side for being set to the side for not configuring the fan motor limits air
Soakage sucking restriction plate.
2. air supply device as described in claim 1, it is characterised in that:
The blowout restriction plate is set near the tongue of the blow-off outlet.
3. air supply device as claimed in claim 1 or 2, it is characterised in that:
The axis direction substantially central portion of the impeller be arranged with by the inside of the impeller be divided into the fan motor pusher side and
The demarcation plate of opposite side,
The blowout restriction plate configuration is in the side than the demarcation plate by the fan motor is arranged.
4. air supply device as claimed in claim 3, it is characterised in that:
The blowout restriction plate and the sucking restriction plate are formed so that the demarcation plate than the impeller is leaned on provided with the fan
The suction inlet of the side of motor leans on not set institute with the area ratio of the blow-off outlet and than the demarcation plate of the impeller
The suction inlet for stating the side of fan motor is matched with the area ratio of the blow-off outlet.
5. air supply device as claimed in claim 1 or 2, it is characterised in that:
The shell is accommodated in indoor air.
6. air supply device as claimed in claim 3, it is characterised in that:
The shell is accommodated in indoor air.
7. air supply device as claimed in claim 4, it is characterised in that:
The shell is accommodated in indoor air.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-160624 | 2014-08-06 | ||
| JP2014160624A JP6340694B2 (en) | 2014-08-06 | 2014-08-06 | Blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105371460A CN105371460A (en) | 2016-03-02 |
| CN105371460B true CN105371460B (en) | 2019-11-26 |
Family
ID=55373886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510479315.3A Active CN105371460B (en) | 2014-08-06 | 2015-08-03 | Air supply device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6340694B2 (en) |
| CN (1) | CN105371460B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020016394A (en) * | 2018-07-26 | 2020-01-30 | 日立ジョンソンコントロールズ空調株式会社 | Air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60145498A (en) * | 1983-12-29 | 1985-07-31 | Matsushita Electric Ind Co Ltd | Centrifugal blower |
| JPH01219395A (en) * | 1988-02-26 | 1989-09-01 | Mitsubishi Electric Corp | Blower for air conditioner |
| JPH07238900A (en) * | 1994-02-25 | 1995-09-12 | Matsushita Seiko Co Ltd | Wind quantity adjuster |
| JP3044856U (en) * | 1997-06-27 | 1998-01-16 | 株式会社大氣社 | Air volume adjustment damper for blower |
| CN2663699Y (en) * | 2003-11-10 | 2004-12-15 | 奇鋐科技股份有限公司 | Mechanism for reducing secondary flow of air blower |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030036369A (en) * | 2003-03-15 | 2003-05-09 | 엘지전자 주식회사 | Front suction and discharge type outdoor unit for air-conditioner |
-
2014
- 2014-08-06 JP JP2014160624A patent/JP6340694B2/en active Active
-
2015
- 2015-08-03 CN CN201510479315.3A patent/CN105371460B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60145498A (en) * | 1983-12-29 | 1985-07-31 | Matsushita Electric Ind Co Ltd | Centrifugal blower |
| JPH01219395A (en) * | 1988-02-26 | 1989-09-01 | Mitsubishi Electric Corp | Blower for air conditioner |
| JPH07238900A (en) * | 1994-02-25 | 1995-09-12 | Matsushita Seiko Co Ltd | Wind quantity adjuster |
| JP3044856U (en) * | 1997-06-27 | 1998-01-16 | 株式会社大氣社 | Air volume adjustment damper for blower |
| CN2663699Y (en) * | 2003-11-10 | 2004-12-15 | 奇鋐科技股份有限公司 | Mechanism for reducing secondary flow of air blower |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016037884A (en) | 2016-03-22 |
| CN105371460A (en) | 2016-03-02 |
| JP6340694B2 (en) | 2018-06-13 |
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