CN100541025C - Window air conditioner - Google Patents

Window air conditioner Download PDF

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Publication number
CN100541025C
CN100541025C CNB2004100194906A CN200410019490A CN100541025C CN 100541025 C CN100541025 C CN 100541025C CN B2004100194906 A CNB2004100194906 A CN B2004100194906A CN 200410019490 A CN200410019490 A CN 200410019490A CN 100541025 C CN100541025 C CN 100541025C
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CN
China
Prior art keywords
air
fan
indoor
spiral type
type member
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Expired - Fee Related
Application number
CNB2004100194906A
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Chinese (zh)
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CN1707174A (en
Inventor
严润燮
具正焕
朴耐贤
韩东周
刘炳赵
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LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
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Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CNB2004100194906A priority Critical patent/CN100541025C/en
Publication of CN1707174A publication Critical patent/CN1707174A/en
Application granted granted Critical
Publication of CN100541025C publication Critical patent/CN100541025C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The present invention relates to a kind of window air conditioner.What have an employing at least in outdoor fan and the indoor fan in the window air conditioner is centrifugal fan, and this centrifugal fan can suck air vertically, discharge air along radial direction.And a side of the circumferencial direction of this centrifugal fan is provided with the 1st spiral type member, and it possesses the curved surface that forms with certain curvature, thereby it can guide from the air of fan discharge mobile along the circumferencial direction of fan; The opposite side of the circumferencial direction of above-mentioned centrifugal fan is provided with the 2nd spiral type member, has formed the curved surface with certain altitude on this 2nd spiral type member, thereby it can directed flow cross the air flow indoor of the 1st spiral type member or the exhaust outlet of outside.So the present invention can reduce the passage dead band that produces because of eddy current in the air discharging channel, thereby can reduce the noise of air-flow, increase air quantity, can also improve the velocity of discharge of air simultaneously, thereby make cold air can send to bigger zone.

Description

Window air conditioner
Technical field
The present invention relates to a kind of window air conditioner, or rather, relate to a kind of window air conditioner (AIRFLOW GUIDE DEVICE FOR WINDOW TYPE AIR-CONDITIONER): promptly when adopting centrifugal fan with following characteristics, can reduce the generation of air-swirl phenomenon, thereby air is flowed swimmingly.
Background technology
In general, air-conditioning (also claiming air regulator) inside has the refrigerating circulatory device that is made of compressor, condenser, capillary, heat exchanger, it can according to the concrete condition of indoor environment with an amount of pass through the cold air that evaporimeter produces or be sent to by the warm braw that condenser produces indoor, thereby make indoor environment keep the state of comfortable.
Air-conditioning can be divided into window air conditioner and separation type air-conditioning according to its installation form.Wherein window air conditioner is installed in window etc. and locates, and its whole cooling cycle system is installed in the same cabinet.The separation type air-conditioning then is divided into indoor set and the off-premises station that is installed in indoor and outdoors respectively, and wherein the inside of indoor set is provided with indoor side heat exchanger, and the inside of off-premises station is provided with outdoor heat exchanger and compressor etc.
Fig. 1 is the decomposition side view of an example of existing window air conditioner, and Fig. 2 is the transverse cross-sectional view of existing window air conditioner.
As shown in the figure, existing window air conditioner is by constituting with the lower part, and promptly cabinet 10, and its inside has formed certain space; Outside heat exchange department 20 is installed in a side of cabinet 10 inside, can produce heat exchange with outdoor air; Indoor heat exchange department 30 is installed in the opposite side of cabinet 10 inside, can produce heat exchange with room air.
Formed outside air inlet 11 on two sides of the outside of cabinet 10, the front of outside has formed outside exhaust outlet 12.
The front of the indoor of cabinet 10 has formed indoor air inlet 13, and the first half of the front of indoor is that the top of indoor air inlet 13 has formed indoor exhaust outlet 14.
Outside heat exchange department 20 is by constituting with lower member, and promptly compressor 21; Condensation is connected with above-mentioned compressor 21 by refrigerant pipe with heat exchanger 22, can produce heat exchange with outdoor air, thereby make gaseous refrigerant be converted into liquid refrigerant; Outdoor fan 23 is made of axial flow fan (axial fan), is installed in the inboard of condensation with heat exchanger 22, can the suction chamber outer air and the outdoor air that sucks discharged with heat exchanger 22 to above-mentioned condensation.
Indoor heat exchange department 30 is by constituting with lower member, i.e. evaporation is connected with heat exchanger 22 with the condensation of above-mentioned outside heat exchange department 20 with heat exchanger 31, can make liquid refrigerant be converted into the gaseous refrigerant of low-temp low-pressure again; Indoor fan 32 is made of centrifugal fan (centrifugal fan), is installed in the inboard of evaporation with heat exchanger 31, can suck room air and use heat exchanger 31 to discharge to above-mentioned evaporation the room air that sucks.
Evaporation is with being provided with indoor guiding parts (orifice) 33 between heat exchanger 31 and the indoor fan 32, this indoor guiding parts 33 can be with room air to indoor fan 32 guiding.The top of indoor fan 32 is provided with indoor air baffle 34, and this indoor air baffle 34 can will flow through the room air of above-mentioned indoor fan 32 to 14 guiding of indoor exhaust outlet.
In addition, between indoor guiding parts 33 and the indoor air baffle 34, promptly the outer surface with indoor fan 32 is provided with indoor spiral type member 35 at a distance of the position at certain interval, and this indoor spiral type member 35 can will suck air to 34 guiding of indoor air baffle.
Above-mentioned indoor spiral type member 35 is positioned at the below of indoor air baffle 34, formed curved surface above it with certain curvature, and the curvature of this negative camber preferably meets the following conditions, and it is far away more from the distance of indoor fan 32 promptly to begin past more end from initiating terminal.But, begin to form curved surface from initiating terminal usually with about about 90 ° curvature owing to the restriction that is subjected on the space.
In addition, the end of above-mentioned indoor spiral type member 35 is connected on the indoor horizontal part 10a of cabinet 10, and horizontal part 10a in indoor is connected with indoor vertical component effect 10b again then.
In addition, be provided with dividing plate 15 between outside heat exchange department 20 and the indoor heat exchange department 30, this dividing plate 15 can be separated into the inside of cabinet 10 outside and indoor.Dividing plate 15 is provided with fan electromotor 40, and this fan electromotor 40 is connected with indoor fan 32 with above-mentioned outdoor fan 23 respectively, thereby can provide revolving force to them.
Symbol 24 is outside guard shield (shroud) among the unaccounted figure, and 25 is outside guiding parts (orifice).
The driving process of aforesaid existing window air conditioner is described below.
If air-conditioning has been connected power supply, compressor 21 will drive so, thereby make the cold-producing medium circulation, meanwhile, fan electromotor 40 also can drive, thereby outdoor air and indoor air are drawn into outside and indoor respectively, and these leaked-in airs can be discharged from again after realizing heat exchange with heat exchanger 22,31 respectively.
Again said process is illustrated in further detail below.
As shown in Figure 2, because the inside of outside is provided with the axial flow fan as outdoor fan 32, thereby under the effect of this outdoor fan 32, outdoor air can flow into by the outside air inlet on two flank side surface of outside 11, then by being that condensation contacts with heat exchanger 21 with outdoor heat exchanger, can produce heat exchange with the cold-producing medium of heat exchanger inside, thereby make cold-producing medium realize condensation, last these air can be arranged to outdoor again by outside exhaust outlet 12 again, the words that wherein above-mentioned outside exhaust outlet 12 is as the criterion with the indoor are to be positioned at the rear, in other words are the place aheads that is positioned at the outside of cabinet.
On the other hand, because the inside of indoor is provided with the centrifugal fan as indoor fan 32, thereby under the effect of this indoor fan 32, room air can flow into by the indoor air inlet 13 that forms on the latter half of cabinet 10 fronts, contact by promptly evaporating with heat exchanger 31 then with indoor side heat exchanger, can produce heat exchange with the cold-producing medium of heat exchanger inside, thereby make cold-producing medium realize evaporation, these air can be arranged to indoor again by the vertical indoor exhaust outlet 14 that forms on the first half of the front of cabinet 10 at last.In this process, room air be along centrifugal fan be indoor fan 32 the axle direction be inhaled into, be discharged from along radial direction, therefore these air can along the circumferential direction flow along indoor guiding parts 35, arrange to above-mentioned indoor exhaust outlet 14 at last via indoor air baffle 34 then.
But, in aforesaid window air conditioner, though room air can be along the circumferential direction to flow under the effect of indoor fan 32 at centrifugal fan, arrange then to indoor exhaust outlet 14, but be used for guiding room air the flow direction indoor spiral type member 35 as shown in Figure 3 owing to be subjected to restriction on the space, it possesses is to begin the curved surface that forms with about about 90 ° curvature from initiating terminal, and the area of passage is also even inadequately, thereby can hinder the smooth and easy mobile of room air.Moreover, connecting portion at indoor horizontal part 10a and vertical component effect 10b can form eddy current (vortex) because of slipstream (tangential flow), thereby not only can form passage dead band (dead zone), therefore the velocity of discharge of air also can reduce simultaneously, thereby makes cold air can not send to the whole zone of the interior space equably.Above existing in prior technology problem just.
Summary of the invention
The present invention designs in order to solve the existing problem of aforesaid existing window air conditioner, purpose is to provide a kind of device that reduces the passage dead band with window air conditioner of following characteristics, be that it can reduce the passage dead band that produces because of eddy current in the air discharging channel, thereby can reduce the noise of air-flow, increase air quantity, simultaneously can also improve the velocity of discharge of air, thereby make cold air can send to bigger zone.
To achieve these goals, the invention provides a kind of window air conditioner, it is characterized in that: the window air conditioner at first here need possess following structure, the inside that is its cabinet has been separated into outside and indoor, the outside of cabinet possesses outside air inlet and exhaust outlet, the indoor possesses indoor air inlet and exhaust outlet, and be provided with outdoor heat exchanger in the outside of cabinet and can make outdoor air produce the outdoor fan of circulation, then be provided with indoor side heat exchanger in the indoor and can make room air produce the indoor fan of circulation.In such window air conditioner, what have an employing at least in outdoor fan and the indoor fan is centrifugal fan, this centrifugal fan can suck air vertically, discharge air along radial direction, and the both sides of the periphery of this centrifugal fan are provided with several spiral type members, formed curved surface on this spiral type member, thereby it can guide air tangentially to flow with certain curvature.
In the air-flow guide frame of window air conditioner of the present invention, centrifugal fan be indoor fan around be provided with several spiral type members, this structure can reduce the passage dead band that produces because of eddy current in the air discharging channel, thereby can reduce the noise of air-flow, increase air quantity, simultaneously can also improve the velocity of discharge of air, thereby make cold air can send to bigger zone.
Description of drawings
Fig. 1 is the decomposition side view of an example of existing window air conditioner;
Fig. 2 is the transverse cross-sectional view of existing window air conditioner;
Fig. 3 is the longitudinal sectional drawing that has shown the structure of the spiral type member in the existing window air conditioner;
Fig. 4 is the transverse cross-sectional view of an example of window air conditioner of the present invention;
Fig. 5 is the longitudinal sectional drawing that has shown the structure of the spiral type member in the window air conditioner of the present invention;
Fig. 6 is Fig. 5's " I-I " line profile.
The critical piece description of reference numerals
110: cabinet (casing) 111: outside air inlet
112: outside exhaust outlet 113: the indoor air inlet
114: indoor exhaust outlet 115: dividing plate
120: outside heat exchange department 121: compressor
122: condensation heat exchanger 123: outdoor fan (axial flow fan)
130: indoor heat exchange department 131: the evaporation heat exchanger
132: indoor fan (centrifugal fan) 134: air baffle
135,136: the 1, the 2nd spiral type member 140: fan electromotor
The specific embodiment
Example is with reference to the accompanying drawings described in detail window air conditioner of the present invention.
Fig. 4 is the transverse cross-sectional view of an example of window air conditioner of the present invention, and Fig. 5 is the longitudinal sectional drawing that has shown the structure of the spiral type member in the window air conditioner of the present invention, and Fig. 6 is " I-I " line profile of Fig. 5.
As shown in the figure, window air conditioner of the present invention is by constituting with the lower part, and promptly cabinet 110, and its inside has formed certain space, and this space has been separated into indoor and outside; Outside heat exchange department 120, it is installed in a side of cabinet 110 inside, can produce heat exchange with outdoor air; Indoor heat exchange department 130, it is installed in the opposite side of cabinet 110 inside, can produce heat exchange with room air.
Formed outside air inlet 111 on two sides of the outside vertical with building walls of cabinet 110, the front of the outside parallel with building walls of cabinet 110 has formed vertical outside exhaust outlet 112.
In addition, formed indoor air inlet 111 on front the latter half of the indoor vertical of cabinet 110, formed indoor exhaust outlet 112 on the first half of the front of indoor with building walls.
Outside heat exchange department 120 is by constituting with lower member, and promptly compressor 121, is installed in a side of cabinet 110, cold-producing medium can be compressed into the gaseous state of HTHP; Condensation is connected with above-mentioned compressor 121 by refrigerant pipe with heat exchanger 122, can produce heat exchange with outdoor air, thereby make gaseous refrigerant change into liquid refrigerant; Outdoor fan 123 is installed in condensation with the inboard of heat exchanger 122, can the suction chamber outer air and the outdoor air that sucks discharged with heat exchanger 122 to above-mentioned condensation.
Above-mentioned condensation roughly is rectangular shape with heat exchanger 122, can block the front major part of outside heat exchange department 120, so it can be between above-mentioned outside air inlet 111 and exhaust outlet 112.In addition, what above-mentioned outdoor fan 123 adopted is axial flow fan, thereby it can inhale air to the rear of fan 123 from the both sides of cabinet 110 by the outside air inlet on 110 two sides of cabinet 111111, and then with air from the outer surface row of fan 123 the place ahead to cabinet 110.
Indoor heat exchange department 130 is by constituting with lower member, i.e. evaporation is connected with heat exchanger 122 with the condensation of outside heat exchange department 120 with heat exchanger 131, can make liquid cold-producing medium change into the gaseous refrigerant of low-temp low-pressure again; Indoor fan 132 is installed in the inboard of evaporation with heat exchanger 131, can suck room air and use heat exchanger 131 to discharge to above-mentioned evaporation the room air that sucks.
Above-mentioned evaporation roughly is rectangular shape with heat exchanger 131, can block the major part of the place ahead vertical plane of indoor heat exchange department 130, so it can be between above-mentioned indoor air inlet 113 and exhaust outlet 114.In addition, what above-mentioned indoor fan 132 adopted is centrifugal fan, thereby it can be with room air from the front by the indoor air inlet 113 on the front vertical plane of cabinet 110, along axial suction, and then with air along radial direction row to the indoor exhaust outlet 114 that is positioned at the place ahead, indoor.
In addition, evaporation can be with room air to the indoor of the guiding of indoor fan 132 guiding parts 133 with being provided with between heat exchanger 131 and the indoor fan 132.The top of indoor fan 132 is provided with and can will flows through the indoor air baffle 134 of the air of above-mentioned indoor fan 132 to 114 guiding of indoor exhaust outlet.The both sides of the outside of indoor fan 132 are provided with the 1st spiral type member 135 and the 2nd spiral type member 136, they can guide the room air of being discharged along radial direction by indoor fan 132 along the circumferential direction to flow, and at last air are guided into indoor air baffle 134.
As shown in Figure 6, initiating terminal and the end of the 1st spiral type member 135 on the direction of rotation of indoor fan 132, its curved surface is from initiating terminal, and is big more toward the distance between the outer surface of end and above-mentioned indoor fan 132 more, and promptly the interval t1 of initiating terminal is littler than terminal interval t2.Initiating terminal and the end of the 2nd spiral type member 136 on the direction of rotation of indoor fan 132, its curved surface is from initiating terminal, more little toward the distance between the outer surface of end and above-mentioned indoor fan 132 more, promptly the interval t3 of initiating terminal is bigger than terminal interval t4.
Here, the interval that interval between the outer surface of the end of the 2nd spiral type member 136 and indoor fan 132 cans be compared to most between the outer surface of the initiating terminal of the 1st spiral type member 135 and indoor fan 132 is little, because can form a kind of " nozzle effect " like this, the velocity of discharge of air is accelerated.But the 1st spiral type member 135 and the 2nd spiral type member 136 left-right symmetry that also can be as the criterion as the case may be, with the center of indoor fan.
In addition, can be between the 1st spiral type member 135 and the 2nd spiral type member 136 at a distance of certain interval, for example from the direction of rotation of indoor fan 132, can between the initiating terminal of the end of the 1st spiral type member 135 and the 2nd spiral type member 136, form a line part 110a with certain-length.But the end of the 1st spiral type member 135 and the initiating terminal of the 2nd spiral type member 136 are linked up.
In addition, be provided with dividing plate 115 between outside heat exchange department 120 and the indoor heat exchange department 130, this dividing plate 115 can be separated into outside and indoor to the inside of cabinet 110.Dividing plate 115 is provided with fan electromotor 140, and the both sides rotating shaft of fan electromotor 140 is connected with indoor fan 132 with above-mentioned outdoor fan 123 respectively, thereby can provide revolving force to them.
Those parts identical with existing structure in the accompanying drawing adopt identical symbol here.
Symbol 124 is outside guiding parts (orifice) among the unaccounted figure, and 125 is the outdoor air deflector.
Effect to aforesaid window air conditioner of the present invention is described in detail below.
If air-conditioning has been connected power supply, compressor 121 will drive so, circulates thereby cold-producing medium is used in the heat exchanger 131 with heat exchanger 122 and evaporation in condensation.Meanwhile, fan electromotor 140 also can drive, thereby outdoor air and room air can be drawn into the outside and the indoor of cabinet 110 respectively.The outdoor air that is inhaled into can be that condensation realizes heat exchange with heat exchanger 122 with outdoor heat exchanger, and the room air that is inhaled into can promptly evaporate with heat exchanger 131 with indoor side heat exchanger realizes heat exchange.By heat exchange the state of the cold-producing medium in each heat exchanger 122,131 is changed, and outdoor air can become hot-air row to outdoor in this process, room air can become cold air row to indoor.
Again said process is illustrated in further detail below.
At first, because the inside of outside is provided with the axial flow fan as outdoor fan 123, thereby along with the driving of outdoor fan 123, outdoor air can be from the side by the outside air inlet 111 on two sides of cabinet 110, along the rear that axially is inhaled into outdoor fan 123, then these air again can along axially by row to the outside of front, outside exhaust outlet 112.
On the other hand, because the inside of indoor is provided with the centrifugal fan as indoor fan 132, thereby along with the driving of indoor fan 123, room air in the past square tube cross the indoor air inlet 113 that on the latter half of the front of cabinet 110, forms, along axially being inhaled into of indoor fan, these air can be arranged the indoor exhaust outlet 114 that forms on the first half of the front of cabinet 110 along radial direction again then.
Here, can be along the air that the radial direction of indoor fan 132 is discharged along the curved surface of the 1st spiral type member 135 and the 2nd spiral type member 136, discharge along the circumferential direction, thereby the air-swirl phenomenon that produces at place, vertical bending part before can preventing, just can eliminate the dead band on the air-conditioning passing away thus, air is not flowed stagnantly smoothly, thereby the reduction noise increases air quantity, and then promotes the performance of air-conditioning.
In addition, because the final outlet side of air i.e. narrowing down between the end of the 2nd spiral type member 136 and the indoor fan 132 at interval gradually, thereby formed a kind of " nozzle effect ", thus the velocity of discharge of air can be improved thus, thus cold air can be sent in the indoor zone widely.

Claims (5)

1, a kind of window air conditioner, it is characterized in that, window air conditioner possesses cabinet, its inside has been separated into outside and indoor, the outside of cabinet possesses outside air inlet and exhaust outlet, the indoor possesses indoor air inlet and exhaust outlet, and is provided with outdoor heat exchanger in the outside of cabinet and can makes outdoor air produce the outdoor fan of circulation, then is provided with indoor side heat exchanger in the indoor and can makes room air produce the indoor fan of circulation; Having an employing in outdoor fan and the indoor fan at least is centrifugal fan, and this centrifugal fan can suck air vertically, discharge air along radial direction; One side of the circumferencial direction of above-mentioned centrifugal fan is provided with the 1st spiral type member, possesses the curved surface that forms with certain curvature on this 1st spiral type member, thereby it can guide from the air of fan discharge mobile along the circumferencial direction of fan; The opposite side of the circumferencial direction of above-mentioned centrifugal fan is provided with the 2nd spiral type member, has formed the curved surface with certain altitude on this 2nd spiral type member, thereby it can directed flow have crossed the air flow exhaust outlet separately of the 1st spiral type member;
Initiating terminal and the end of the 1st spiral type member on the direction of rotation of fan, its curved surface is from initiating terminal, and is big more toward the distance between the outer surface of end and said fans more; Initiating terminal and the end of the 2nd spiral type member on the direction of rotation of fan, its curved surface is from initiating terminal, and is more little toward the distance between the outer surface of end and said fans more.
2, window air conditioner according to claim 1 is characterized in that:
Interval between the initiating terminal of the 1st spiral type member and the fan outer surface is bigger than the end and the interval between the fan outer surface of the 2nd spiral type member.
3, window air conditioner according to claim 2 is characterized in that:
Between the initiating terminal of the end of the 1st spiral type member and the 2nd spiral type member, formed the line part of certain-length.
4, window air conditioner according to claim 2 is characterized in that:
The initiating terminal of the end of the 1st spiral type member and the 2nd spiral type member links up.
5, window air conditioner according to claim 1 is characterized in that:
The 1st spiral type member and the 2nd spiral type member are with the center of the centrifugal fan left-right symmetry that is as the criterion.
CNB2004100194906A 2004-06-09 2004-06-09 Window air conditioner Expired - Fee Related CN100541025C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100194906A CN100541025C (en) 2004-06-09 2004-06-09 Window air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100194906A CN100541025C (en) 2004-06-09 2004-06-09 Window air conditioner

Publications (2)

Publication Number Publication Date
CN1707174A CN1707174A (en) 2005-12-14
CN100541025C true CN100541025C (en) 2009-09-16

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ID=35581224

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100194906A Expired - Fee Related CN100541025C (en) 2004-06-09 2004-06-09 Window air conditioner

Country Status (1)

Country Link
CN (1) CN100541025C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101957022A (en) * 2009-07-17 2011-01-26 乐金电子(天津)电器有限公司 Window type air conditioner
CN101957028A (en) * 2009-07-20 2011-01-26 乐金电子(天津)电器有限公司 Window-type air conditioner
CN101995059B (en) * 2009-08-28 2014-04-30 乐金电子(天津)电器有限公司 Integrated air conditioner

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Publication number Publication date
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Granted publication date: 20090916

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