CN1611849A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN1611849A CN1611849A CN 200310106788 CN200310106788A CN1611849A CN 1611849 A CN1611849 A CN 1611849A CN 200310106788 CN200310106788 CN 200310106788 CN 200310106788 A CN200310106788 A CN 200310106788A CN 1611849 A CN1611849 A CN 1611849A
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Abstract
The invention offers a kind of air conditioner. It comprises casing with many air channels of air indraft and air discharge, heat exchanger, rotation axis, and spiral vane with determinate width and along the axial direction. At least one fan supporting component is set in the casing to support the spiral fan and motor for driving, this can forcibly blow the air to the direction of the rotation axis perpendicular to casing. The effect of the invention is that because of the spirality fan conveyed air has the flow feature of blowing along the axial direction, the setting position of the blowing fan will not be restricted; even the small volume also can get big air quantity, so this can realize miniaturization and micromation. When the spirality fan rotates clockwise or anticlockwise it can get uniformly air quantity to make the air discharge uniformly to the up-down direction of the air conditioner. As well as, the air conditioner casing can design and make into many shapes, such as quadrangle or tubular type, and so on, it is easy to manufacture and can reduce the cost.
Description
Technical field
The invention relates to air-conditioner, particularly about improving the structure of blowing fan, when reducing whole volume up and down both direction discharge the air-conditioner of air.
Background technology
Air-conditioner be the cold media gas of compressor compresses is liquefied in condenser after by expansion valve decompression, gasification again in evaporimeter then utilizes the gasification heat of the refrigerant that absorbs to give indoor refrigeration thus; Perhaps such kind of refrigeration cycle is reverse carries out, and gives indoor heating, provides comfortable temperature environment to people.
In such air-conditioner, cabinet air conditioner is placed on the indoor floor, uses when freezing in bigger space.Below, structure and the effect of existing cabinet air conditioner one embodiment are described with reference to Fig. 1.
As shown in Figure 1, the indoor set of existing cabinet air conditioner, be provided with the heat exchanger 6 of cooling air in casing 1 upper inside of the air outlet 3 that possesses air suction inlet 2 that the bottom is arranged and top, and the centrifugal blowing fan 4 that sucks the air-supply of extraneous air heat exchanger 6 sides be installed at casing 1 downside.
Air flows into by the air suction inlet 2 of casing 1 bottom under the effect of centrifugal blowing fan 4, and leaked-in air is cooled by heat exchanger 6 heat exchanges on centrifugal blowing fan 4 tops, and the air outlet 3 by casing 1 top is discharged to indoor then.
Though do not illustrate in the drawings, the off-premises station of cabinet air conditioner is provided with refrigerant is compressed into the compressor of discharging behind the HTHP, the condenser of the refrigerant that condensate compressor is discharged, blowing fan.
But the existing cabinet air conditioner that is made of said structure has used centrifugal blowing fans such as cross flow fan or eddy current fan as the means of air-supply.Centrifugal blowing fan like this has the inflow direction of air and discharges the orthogonal flow behavior of direction, and aspects such as the installation site of centrifugal blowing fan and direction are restricted when therefore designing air-conditioner.For high air quantity is provided, must strengthen the size of blowing fan, so be difficult to air-conditioner miniaturization and microminiaturization.
If use the air of axial flow fan to flow into and axially discharge, then can not be subjected to the restriction that blowing fan is provided with position and direction aspect from direction of principal axis.But the axial flow fan blast is little, and therefore if will obtain suitable blast, getting increases the diameter of axial flow fan greatly, so the problem of the volume size that increases whole air-conditioner is arranged.Therefore, use axial flow fan hardly on the general indoor machine of air-conditioner.
Be applicable to that the centrifugal blowing fan on the existing cabinet air conditioner is being rotated in the forward or can not stably blowing during counter-rotating, so the air of refrigeration/heating is always only discharged to upside, and can not change according to the air of such refrigeration/heating and discharge direction, function to air-conditioner is brought restriction, can not satisfy user's needs.
Summary of the invention
In order to address the above problem, the objective of the invention is to improve the pressure fan structure of air-conditioner, also can axially blow the air of high air quantity with little volume, can make whole air-conditioner smaller volume thus; Another object of the present invention is a blowing fan being rotated in the forward or during counter-rotating, making it have stable air quantity, and the air of temperature required state is discharged from the both direction up and down of air-conditioner.
In order to achieve the above object, technical scheme of the present invention provides a kind of air-conditioner, the casing of a plurality of air flues that include the air suction and discharge, be arranged on the heat exchanger in the casing, also have by the rotating shaft that is vertically set in the casing, be fixed with oval tubular wheel shaft thereon, on the outer peripheral face of wheel shaft, prolong the setting of direction of principal axis helical twist and have the spiral vane of certain width along direction of principal axis from the end to end of wheel shaft, be combined with the drive motors of direction of axial rotary or both direction driving in the lower end of spiral fan bottom and rotating shaft, wherein: be provided with the fan support component that at least one supports described spiral fan and drive motors in casing inside, can be air to rotating shaft direction forced air supply perpendicular to casing.
A kind of air-conditioner also is provided, include a plurality of air flues that air sucks and discharge casing, be arranged on the heat exchanger in the casing, also have by being vertically set on the rotating shaft in the casing and being combined with the drive motors of direction of axial rotary or both direction driving with its lower end, wherein: keeping at a certain distance away on described rotating shaft is fixed with a plurality of axial flow fans, be provided with the fan support component that at least one supports a plurality of axial flow fans and drive motors in casing inside, can be air to rotating shaft direction forced air supply perpendicular to casing.
Effect of the present invention is the structure of this air-conditioner owing to carry the spiral fan of air that the flow behavior of air-supply is axially arranged, so the position is set can be restricted of blowing fan; Volume is little also to obtain big air quantity, realizes miniaturization and microminiaturization; Can design and produce into air conditioner casing multiple shapes such as tetragonal body or cylindrical shape, and make easily and can reduce cost.And, spiral fan just, can obtain uniform air quantity during counter-rotating, so air can be arranged the both direction up and down to air-conditioner equably.Air-conditioner of the present invention the casing inner inclination the support component of support helix shape fan is set in, the caused noise of air that can be reduced and be blown.In addition, when dividing multilayer ground to constitute blowing fan, can axially blow and increase air quantity, therefore reduce the volume of whole air-conditioner system and can improve its performance to axial flow fan.
Description of drawings
Fig. 1 is the main position profile of existing general air-conditioner structure;
Fig. 2 is the main position profile of an example structure of air-conditioner of the present invention;
Fig. 3 is the spiral fan of air-conditioner among Fig. 2 and the stereogram of fan shroud structure;
Fig. 4 is the profilograph of the pressure fan structure among Fig. 3;
Fig. 5 is the stereogram of the upper support member structure of Fig. 2 air-conditioner;
Fig. 6 is the upper support member front elevation of Fig. 5;
Fig. 7 is the stereogram of the lower support member structure of Fig. 2 air-conditioner;
Fig. 8 is the fragmentary cross-sectional view of another embodiment major part of air-conditioner of the present invention;
Fig. 9 is the fragmentary cross-sectional view of another embodiment major part of air-conditioner of the present invention.
Among the figure:
10: casing 12: drive motors
13: spiral fan 15: fan shroud
171: the 172a of bearing portion, 172b: support bar
173a, 173b: the 1st, 2 fixed mount 18: lower support member
181: motor mounting part 182: the motor holddown groove
183: shock absorbing is with filling up 184a, 184b: support bar
185a, 185b: the 1st, 2 fixed mount
The specific embodiment
Below, with reference to drawings and Examples air-conditioner of the present invention is described in detail.
At first, as shown in Figure 2, the top of casing 10 and bottom are provided with a plurality of air flues 101,102 separately, and the bottom of casing 10 inboards is provided with heat exchanger 11 with ' V ' font.For air is passed through ' heat exchanger 11 various pieces of V ' font, the air flue 101 of casing 10 bottoms forms in the fore-and-aft direction left and right sides of casing 10.
As shown in Figure 3 and Figure 4, spiral fan 13 is to rotate by combining with drive motors 12 and perpendicular rotating shaft 131, the oval tubular wheel shaft 132 of secure bond on rotating shaft 131, the end to end from wheel shaft on the outer peripheral face of wheel shaft 132 prolongs two blades, 133 formations that the direction of principal axis helical twist forms.These blades 133 have certain width from the upper end of wheel shaft 132 to the lower end, when blade 133 is provided with two, and on mutually corresponding position, i.e. 180 ° position; If 2 should have a determining deviation setting with blade the time.
Each blade 133 of spiral fan 13 for the distortion angle that passes through without limits, but spiral fan 13 can be made as below 180 ° or 180 ° to the direction of principal axis of wheel shaft 132, makes it not have overlapped field, be convenient to like this processing.As above the spiral fan 13 of Gou Chenging forms along the vertical direction of principal axis helical twist of blade 133, so the wheel shaft 132 of spiral fan 13 and blade 133 rotations the time, air circulates towards direction of principal axis along the blade 133 of spiral fan 13.In the time of 13 counter-rotatings of spirality wind, air is in the opposite direction by spiral fan 13, and at this moment if external condition is identical, the air quantity of generation and blast and just changeing air quantity when promptly being rotated in the forward and blast much at one.
The open columnar fan shroud 15 in upper end and bottom is arranged on the outside of spiral fan 13 with the size that encases spiral fan 13 outsides, when air was blown by the rotation of spiral fan 13, fan shroud 15 has the pressure of increasing and stably carries made the more function of the passage of the wind of volume.
Above-mentioned the 1st, 2 fan shroud 151,152 mid portions are roughly linear, and the bottom that passes air into and discharge and upper end form gradually the enlarged portion of expansion laterally.Each enlarged portion should have the shape of certain camber bending, but the inlet portion bending radius of the 1st, 2 fan shroud 151,152 is bigger slightly than the bending radius of export department.
As shown in Figure 5 and Figure 6, upper support member 17 is to include the bearing portion 171 of support helix shape fan 13 rotating shafts 131 upper ends rotatably, prolong 4 bar-shaped support bar 172a～172d of formation laterally from the both sides of bearing portion 171, connect 2 the support bar 172a of a side among support bar 172a～172d, the 172b outboard end, and be fixed on the 1st fixed mount 173a on casing 10 internal faces, opposite at the 1st fixed mount 173a, connect 2 support bar 172c of residue, the outboard end of 172d, and be fixed on the 2nd fixed mount 173b on casing 10 internal faces.See bearing portion 171 and 2 support bar 172a from above, 172b; 172c, the fixed mount 173a of 172b and connection support bar, in the time of 173b, shape triangular in shape.
For spiral fan 13 is rotated glibly, bearing portion 171 is provided with bearing (not shown) or makes of the good non-refuelling material of lubricity in inside.
Above-mentioned the 1st, 2 fixed mount 173a, 173b utilizes engagement means such as screw or nut to be fixed on casing 17 internal faces.
Produce eddy current in the time of through each support bar 172a by upper support member 17 of the air of spiral fan 13～172d, such eddy current produces certain frequency.If the height of support bar 172a～172d is identical, the whole position of support bar 172a～172d produces identical frequency because of the influence that is subjected to eddy current, and noise can increase thus.Reduce noise when discharging by spiral fan 13 for air, each support bar 172a～172d of upper support member 17 should tilt from bearing portion 171 laterals.
Therefore, if be obliquely installed support bar 172a～172d, the frequency difference that produces because of the generation eddy current on each position of support bar 172a～172d is so can reduce noise.
Fig. 7 is the structure of explanation lower support member 18, lower support member 18 is provided with motor mounting part 181 in central authorities, and have 4 support bar 184a～184d similarly prolonging to the both sides of motor mounting part 181 with upper support member 17 and 2 the 1st, 2 fixed mount 185a of the outboard end that is connected these each support bar 184a～184d, 185b.And motor mounting part 181 is provided with to inserting in conjunction with the motor holddown groove 182 that caves in the bottom that makes drive motors 12.
See lower support member 18 or motor mounting part 181 and 2 support 184a from above, 184b; 184c, 184b and fixed mount 185a, in the time of 185b, shape triangular in shape.
In order to reduce the vibrations that produce when drive motors 12 drives, drive motors 12 bottoms are set on the inner peripheral surface of motor holddown groove 182 sandwich the packing ring 183 that absorbing vibration that soft rubber or synthetic resin material make is used.
Fig. 8 is the structure of explanation another embodiment of air-conditioner of the present invention.As the air-conditioner among the embodiment, can be set to inside lower end portion insertion to a certain degree the shape of the top of drive motors 12 to spiral fan 23 wheel shafts 232.Sequence number 233 is the blades that form along the direction of principal axis spirality at the outer peripheral face of wheel shaft 232.
The advantage of such air-conditioner is, be positioned at the lower inside of spiral fan 23 because of drive motors 12, can shorten the distance between the joint portion of the center of gravity of spiral fan 23 and spiral fan 23 and drive motors 12, so can reduce vibrations during spiral fan 23 rotations, and can dwindle the whole volume of air-conditioner.
In the embodiment of air-conditioner, casing 10 as air-conditioner can be tetragonal body, but consider the shape of spiral fan 13,23, also can make drum to casing.Like this, can not only dwindle the whole volume of casing, attractive in appearance at outward appearance design aspect also air-conditioner than common.
Spiral fan is single formation in the air-conditioner of embodiment, but can be the spiral fan upper and lower settings a plurality of being divided at many levels also.
Below, the air-conditioner running of the present invention as above-mentioned formation is described.
If the user opens air-conditioner, supply with refrigerant from the off-premises station (not shown) that waits the outside that constitutes by compressor and condenser for 11 li to above-mentioned both sides heat exchanger usually, and spiral fan 13 begins rotation under the effect of drive motors 12.
Along with spiral fan 23 rotations, air flows into by the air flue 101 of casing 110 downsides, and flow to the top direction of principal axis in leaked-in air bottom from spiral fan 13 after over-heat-exchanger 11 is cooled like this.
Because fan shroud 15 is structures of top and the bottom expansion, so spiral fan 13 can suck and discharge air glibly.Fan shroud 15 is through hole shape structures of central portion depression, so the entrance side of spiral fan 13 and discharge side produce pressure differential, and pressure differential increases the flow of air.
Be discharged to through the air of spiral fan 13 air flue 102 by casing 110 upsides indoor, and with in the required temperature cool room.
Air-conditioner of the present invention is even counter-rotating spiral fan 13 also can obtain and much at one air quantity when being rotated in the forward spiral fan 13.Therefore, if counter-rotating spiral fan 13, room air flows into by the air flue 102 on casing 110 tops, like this leaked-in air from the top of spiral fan 13 to the bottom direction of principal axis by after over-heat-exchanger 11, and be discharged to indoor by the air flue 102 of casing 110 bottoms.
When utilization will heat as above-mentioned air-conditioner, heater is set in the casing, makes the air of heater heating be discharged to indoor.
Fig. 9 is another embodiment of explanation air-conditioner of the present invention.In this embodiment, do not use the spiral fan of above-mentioned shape as the blowing fan of carrying air, but connect in the lower end on the rotating shaft 331 of drive motors 12, on/following 2 axial flow fans 333,334 of fixing, divide multilayer to constitute blowing fan 33, and at the arranged outside fan shroud 15 of axial flow fan 333,334.
Can be combined in rotatably on the upper support member 17 similar in the upper end of rotating shaft 331 to the upper support member 17 among the embodiment.
According to the shape of above-mentioned air-conditioner, if rotating shaft 331 rotations under the effect of drive motors 12 are connected 2 axial flow fans, 333,334 rotations on the rotating shaft 331, and air is by air flue 101 inflows of casing 110 lower ends.
Leaked-in air is after over-heat-exchanger 11 coolings, and to the upside air-supply, the air flue 102 by casing 10 upsides is discharged to the outside then by 2 axial flow fans 333,334.
As above-mentioned, the advantage of air-conditioner is that axial flow fan 333,334 constitutes blowing fan 33 in the inboard of fan shroud 15 branch multilayer, so and use the air-conditioner of above-mentioned spiral fan 13,23, equally air is axially blown and can increase blast.
The air conditioner casing 10 of the foregoing description can be multiple shapes such as tetragonal body or cylindrical shape.
Claims (24)
1, a kind of air-conditioner, the casing of a plurality of air flues that include the air suction and discharge, be arranged on the heat exchanger in the casing, also have by the rotating shaft that is vertically set in the casing, be fixed with oval tubular wheel shaft thereon, on the outer peripheral face of wheel shaft, prolong the setting of direction of principal axis helical twist and have the spiral vane of certain width along direction of principal axis from the end to end of wheel shaft, be combined with the drive motors of direction of axial rotary or both direction driving in the lower end of spiral fan bottom and rotating shaft, it is characterized in that: be provided with the fan support component that at least one supports described spiral fan (13) and drive motors (12) in casing inside, can be air to rotating shaft direction forced air supply perpendicular to casing (10).
2, air-conditioner according to claim 1 is characterized in that: described fan support component is by the bottom of the downside that is arranged on spiral fan and support component (18) that can support drive motor (12) and the upside that the is arranged on spiral fan upper support member of supporting rotating shaft upper end (17) formation rotatably.
3, air-conditioner according to claim 2, it is characterized in that: described upper support member (17) is to include the bearing portion (171) that can be combined in the rotating shaft upper end rotatably, from a plurality of support bars that described bearing portion (171) extends to form laterally, fixedly be located at the outboard end of described support bar and the fixed part of fixedlying connected in addition with described casing (10) internal face.
4, air-conditioner according to claim 3 is characterized in that: described support bar is in bearing portion (171) direction and being inclined upwardly laterally.
5, air-conditioner according to claim 3, it is characterized in that: described fixed part comprise by the support bar that connects a side in described a plurality of support bars in twos outboard end be connected to the 1st bar-shaped fixed mount, the outboard end that connects corresponding support bar on the opposite of described the 1st fixed mount is connected to the 2nd bar-shaped fixed mount and constitutes.
6, air-conditioner according to claim 2, it is characterized in that: described lower support member (18) is provided with the motor mounting part (181) of fixed drive motor (12) bottom, prolong laterally at motor mounting part (181) and to be provided with a plurality of support bars, on casing (10) internal face, be fixed with the fixed part of the outboard end that connects support bar.
7, air-conditioner according to claim 6 is characterized in that: the depression motor holddown groove (182) that is provided with the bottom of inserting drive motors (12) on motor mounting part (182).
8, air-conditioner according to claim 7 is characterized in that: the inner peripheral surface of described motor holddown groove (182) is provided with the shock absorbing packing ring (183) that the bottom outer peripheral face with drive motors (12) is complementary.
9, air-conditioner according to claim 6, its feature: described fixed part comprise by connect in a plurality of support bars a side support bar in twos outboard end be connected to the 1st bar-shaped fixed mount, the outboard end that connects corresponding support bar on the opposite of described the 1st fixed mount is connected to the 2nd bar-shaped fixed mount and constitutes.
10, air-conditioner according to claim 1 is characterized in that: the guard shield (15) that the fan that surrounds described fan is arranged in the spiral fan arranged outside.
11, air-conditioner according to claim 10 is characterized in that: described fan shroud (15) is provided with from the center and becomes big enlarged portion gradually to bottom and upper end diameter.
12, air-conditioner according to claim 11 is characterized in that: the enlarged portion of described fan shroud (15) is the curved shape with certain camber.
13, according to claim 11 or 12 described air-conditioners, it is characterized in that: the pars intermedia between described fan shroud (15) enlarged portion is a linear.
14, according to claim 10 or 11 described air-conditioners, it is characterized in that: it is centrosymmetric the 1st fan shroud and the 2nd fan shroud of being divided into that described fan shroud (15) can be set to spiral fan.
15, air-conditioner according to claim 14 is characterized in that: each angle of described the 1st, 2 fan shroud is fixed on each inwall of casing (10).
16, air-conditioner according to claim 1 is characterized in that: described drive motors (12) is that top is arranged at the wheel shaft inboard that extend into spiral fan.
17, air-conditioner according to claim 1 is characterized in that: described spiral fan can be divided into a plurality of multilayer setting up and down.
18, air-conditioner according to claim 1 is characterized in that: described casing (10) can be set to cylindrical shape.
19, a kind of air-conditioner, the casing of a plurality of air flues that include the air suction and discharge, be arranged on the heat exchanger in the casing, also have by being vertically set on the rotating shaft in the casing and being combined with the drive motors of direction of axial rotary or both direction driving with its lower end, it is characterized in that: keeping at a certain distance away on described rotating shaft (331) is fixed with a plurality of axial flow fans, be provided with the fan support component that at least one supports a plurality of axial flow fans and drive motors (12) in casing inside, can be air to rotating shaft direction forced air supply perpendicular to casing (10).
20, air-conditioner according to claim 19 is characterized in that: described fan support component is that lower support member (18) that is provided with and the upper support member (17) that can support described rotating shaft (331) upper end rotatably constitute by supporting the drive motors (12) that combines with rotating shaft (331) bottom rotatably.
21, air-conditioner according to claim 20, it is characterized in that: described upper support member (17) is to include the bearing portion that can be combined in rotating shaft (331) upper end rotatably, a plurality of support bars from described bearing portion extends to form laterally fixedly are located at the outboard end of described support bar and the fixed part of fixedlying connected with described casing (10) internal face in addition.
22, air-conditioner according to claim 21 is characterized in that: described support bar is direction and being inclined upwardly laterally from bearing portion center.
23, air-conditioner according to claim 19 is characterized in that: the guard shield (15) that the fan that surrounds described fan is arranged in the spiral fan arranged outside.
24, air-conditioner according to claim 19 is characterized in that: described casing can be made into cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310106788 CN1611849A (en) | 2003-10-30 | 2003-10-30 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310106788 CN1611849A (en) | 2003-10-30 | 2003-10-30 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1611849A true CN1611849A (en) | 2005-05-04 |
Family
ID=34757759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310106788 Pending CN1611849A (en) | 2003-10-30 | 2003-10-30 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1611849A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434810C (en) * | 2004-09-06 | 2008-11-19 | 乐金电子(天津)电器有限公司 | Air conditioner |
| CN102777402A (en) * | 2012-07-10 | 2012-11-14 | 广东美的电器股份有限公司 | Air supply device and air-conditioning indoor unit |
| CN103742985A (en) * | 2014-01-20 | 2014-04-23 | 广东志高空调有限公司 | Novel cabinet air conditioner |
| CN105091273A (en) * | 2014-04-19 | 2015-11-25 | 海信（山东）空调有限公司 | Air-conditioning duct system and air-conditioning indoor unit |
-
2003
- 2003-10-30 CN CN 200310106788 patent/CN1611849A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434810C (en) * | 2004-09-06 | 2008-11-19 | 乐金电子(天津)电器有限公司 | Air conditioner |
| CN102777402A (en) * | 2012-07-10 | 2012-11-14 | 广东美的电器股份有限公司 | Air supply device and air-conditioning indoor unit |
| CN103742985A (en) * | 2014-01-20 | 2014-04-23 | 广东志高空调有限公司 | Novel cabinet air conditioner |
| CN105091273A (en) * | 2014-04-19 | 2015-11-25 | 海信（山东）空调有限公司 | Air-conditioning duct system and air-conditioning indoor unit |
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