CN1198087C - Air conditioner and its outdoor unit - Google Patents

Air conditioner and its outdoor unit Download PDF

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Publication number
CN1198087C
CN1198087C CN 98116193 CN98116193A CN1198087C CN 1198087 C CN1198087 C CN 1198087C CN 98116193 CN98116193 CN 98116193 CN 98116193 A CN98116193 A CN 98116193A CN 1198087 C CN1198087 C CN 1198087C
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China
Prior art keywords
premises station
mentioned
breeze fan
size
refrigerating capacity
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Expired - Fee Related
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CN 98116193
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CN1206812A (en
Inventor
竹中宽
山田真一朗
小国研作
中村宪一
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Hitachi Ltd
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Hitachi Ltd
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Abstract

The air conditioner comprises HFC refrigerant circulating in a refrigerating cycle, a bell mouth provided on an outer periphery of an air supply fan and having a shape of a cylindrical state in which an inner diameter of part of the cylinder in a circumferential direction is radially enlarged, and an air supply fan having 0.8 or higher of a ratio of a length of an outer periphery of one blade in a circumferential direction to a value obtained by dividing a length of an outermost circumference of the fan by number of blades for constituting the fan.

Description

Air conditioner and off-premises station thereof
Technical field
The present invention relates to the refrigerating air-conditioning of air conditioner and used for refrigerator, particularly include and be beneficial to the earth environment protection, casing size (appearance and size) is less, air conditioner that reuse is good and refrigerating air-conditioning.
Background technology
As a measure of environmental protection, people are studying under the condition that does not damage the ozone layer, and use not chloride freon substitute on air conditioner, specifically are exactly the HFC series coolant.But be not only the use of HFC series coolant, the reuse in the product life cycle, easy-off structure, saving energy or the like all are necessary for integrated environment.
Be accompanied by the high stratification of shop, office building in recent years, air conditioner develops rapidly towards the combined air conditioner direction.The off-premises station of air conditioner is arranged on the roof mostly, must make off-premises station miniaturization, densification in order effectively to utilize the space on the roof.Especially must dwindle installing space, so wish off-premises station is made the less shape of product floor space.
Relatively the casing size (appearance and size) of its cooling and warming ability air conditioner is less, is that to improve reuse necessary.
The casing size (appearance and size) of existing off-premises station is, when refrigerating capacity is 22.8~28kw, and (height) * (front and back are long) * (wide)=(1400~1500) * (650~800) * (1200~1400) mm; When refrigerating capacity is 14~16kw, (height) * (front and back are long) * (wide)=(1400~1500) * (650~800) * (700~900) mm.
Though big appearance and size helps reducing noise, there is the problem that runs in the opposite direction with miniaturization.
For example, the patent gazette spy opens and records on flat 3-179198 number in order to reduce the aerodynamic noise of off-premises station, and the barrel surface relative with the position, neighboring of spiral blower fan is set, and is called as the space of eddy current lock chamber along the direction formation of axle.
There is following problem in this existing technology,, off-premises station needs big installing space for being installed, so there is the problem of installation property, particularly oversize when recycling, just need large-scale elevator in order to carry off-premises station, so exist like a fish out of water, the problem of reuse difference particularly.
In addition, the patent gazette spy opens the structure of being put down in writing flat 3-179198 number, and existing problems must be done the external diameter of barrel surface more a lot greatly than the external diameter of spiral blower fan aspect the casing compact in size, for this reason, the front and back size of casing or width dimensions just must strengthen.
Especially, with existing identical condition under the running mixed type cold-producing medium that uses HFC series coolant or boiling point to have nothing in common with each other, the air conditioner of R407C cold-producing medium and freezing when using aircondition particularly, just must strengthen the heat-conducting area of heat exchanger compared with the existing, this is unfavorable for the casing miniaturization of size.Therefore, only being to use not chloride freon substitute series coolant, aspect Countermeasures of Environment Protection, is not enough to improving reuse especially.
Summary of the invention
The objective of the invention is to solve the problems referred to above that prior art exists, air conditioner and off-premises station thereof that fully conform, especially suitable recycling are provided.
Another object of the present invention provides a kind of air conditioner and off-premises station thereof; it is in conform protection, miniaturization; under the situation of the piping system that does not increase cold-producing medium; the warm ability of trickle increase refrigeration; carry out system's operation; perhaps, for increasing air conditioner load in the future, connect just energy increase capacity of off-premises station as long as append.
Other purpose of the present invention is finished of above-mentioned problem at least.
One of content of the present invention provides a kind of air conditioner, and it has with indoor set and has the cooling cycle system that the off-premises station of compressor, heat exchanger, breeze fan is connected, and it is characterized in that: circulation HFC series coolant in above-mentioned refrigerating circulation system; Above-mentioned compressor vertically is configured in above-mentioned off-premises station main body; Above-mentioned off-premises station comprises: horn mouth, and this horn mouth is arranged on the periphery of above-mentioned breeze fan, for cylindric, has the shape that only radially enlarges at its cylinder depth direction internal diameter; And breeze fan, the circumferential lengths of the peripheral part of one piece of blade of this breeze fan and the length of the outermost circumference of above-mentioned breeze fan divided by piece number of the blade that constitutes above-mentioned breeze fan afterwards the ratio of institute's value be more than 0.8.
According to the present invention, the HFC series coolant circulates in cooling cycle system, can not damage the ozone layer, and helps the earth environment protection.Be arranged on the horn mouth of breeze fan neighboring, in fact cylindrical shape, a part of internal diameter of this drum enlarges along diametric(al), and the area of horn mouth flow export is bigger than the area of inflow entrance, and like this, wind speed reduces, and noise reduces.Especially, the circumferential lengths at the position, neighboring of 1 piece of blade and the length of the outermost circumference of breeze fan are more than 0.8 divided by the ratio of the numerical value of number of blade gained, and the area of blade strengthens, and can realize the high efficiency of breeze fan.
Use the HFC series coolant, must guarantee to have big heat transfer area on the heat exchanger, but this can remedy by the air quantity that increases breeze fan.So just can realize the miniaturization of air conditioner, can conform fully, especially reuse.
Another kind of off-premises station of the present invention has compressor, heat exchanger, cross valve, breeze fan, it is characterized in that, comprising: vertically be configured in the above-mentioned compressor on the above-mentioned off-premises station main body; Horn mouth, this horn mouth is arranged on the periphery of above-mentioned breeze fan, for cylindric, only has the shape that the depth direction internal diameter at its cylinder radially enlarges; Breeze fan, the circumferential lengths of the peripheral part of one piece of blade of this breeze fan and the length of the outermost circumference of above-mentioned breeze fan divided by piece number of the blade that constitutes above-mentioned breeze fan afterwards the ratio of institute's value be more than 0.8.
Be arranged on the horn mouth of breeze fan periphery, in fact cylindrical shape, a part of internal diameter of this drum enlarges along diametric(al), and the area of horn mouth flow export is bigger than the area of inflow entrance, and wind speed is reduced, and noise reduces.Especially, the circumferential lengths at position, 1 piece of blade neighboring and the length of breeze fan outermost circumference are more than 0.8 divided by the ratio of the numerical value of number of blade gained, and the area of blade strengthens, can realize the high efficiency of breeze fan.
Therefore, can increase the air quantity of breeze fan, improve the performance of heat exchanger, so can realize the miniaturization of off-premises station.
Air conditioner of the present invention possesses with indoor set and has the cooling cycle system that the off-premises station of compressor, breeze fan is connected, and it is characterized in that the HFC series coolant circulates in above-mentioned cooling cycle system, and the air quantity of above-mentioned breeze fan is 110~200m 3/ min, the refrigerating capacity of above-mentioned off-premises station is 22~28kw, sees that from the front width dimensions is 900~1200mm.
The use of HFC series coolant can not damage the ozone layer.Refrigerating capacity is the off-premises station of 22~28kw, and the air quantity that can guarantee breeze fan is greatly to 110~200m 3/ min has the little width dimensions of 900~1200mm, so can remedy heat exchange performance, also can realize the miniaturization of air conditioner, can fully conform like this, especially reuse.
The refrigerating capacity of another kind of off-premises station of the present invention is 22~28kw, possesses the off-premises station of compressor, heat exchanger, accumulator, cross valve, breeze fan.It is characterized in that the air quantity of above-mentioned breeze fan is 110~200m 3/ min sees that from a positive side width dimensions is 900~1200mm, and above-mentioned heat exchanger makes the circulation of HFC series coolant.
This off-premises station can not damage the ozone layer, even refrigerating capacity is 22~28kw, the width dimensions of profile is also less, so can fully conform reuse especially.
The refrigerating capacity of another kind of off-premises station of the present invention is 14~16kw, has the off-premises station of compressor, heat exchanger, accumulator, cross valve, breeze fan.It is characterized in that the air quantity of above-mentioned breeze fan is 110~200m 3/ min, have a part of internal diameter that is arranged on breeze fan periphery, in fact cylindrical, this drum and enlarge the horn mouth that forms along diametric(al), see that from a positive side width dimensions is 600~700mm, above-mentioned heat exchanger makes the circulation of R407C cold-producing medium.
Air conditioner of the present invention possesses with indoor set and has the cooling cycle system that the off-premises station of compressor, heat exchanger, breeze fan is connected, it is characterized in that, has the HFC series coolant that in above-mentioned cooling cycle system, circulates, above-mentioned off-premises station includes two kinds of off-premises stations, a kind of is that refrigerating capacity is 22~28kw, sees that from a positive side width dimensions is the off-premises station of 900~1200mm; Another kind is that refrigerating capacity is 14~16kw, sees that from a positive side width dimensions is the off-premises station of 600~700mm.
Air conditioner of the present invention possesses with indoor set and has the cooling cycle system that the off-premises station of compressor, heat exchanger, breeze fan is connected, it is characterized in that, has the HFC series coolant that is circulated in the aforementioned kind of refrigeration cycle, have the breeze fan of being arranged on periphery, in fact be cylindric, and a part of internal diameter of this drum enlarges the horn mouth that forms along diametric(al), above-mentioned off-premises station includes from a positive side sees that the front and back length dimension all is 650~800mm, a plurality of off-premises stations that assembling couples together.
Off-premises station of the present invention has compressor, heat exchanger, accumulator, cross valve, breeze fan, it is characterized in that, includes the 1st off-premises station and the 2nd off-premises station.The refrigerating capacity of the 1st off-premises station is 22~28kw, sees that from a positive side width dimensions is 900~1200mm.The refrigerating capacity of the 2nd off-premises station is 14~16kw, sees that from a positive side width dimensions is 600~700mm.
Like this, according to the present invention, can not damage the ozone layer, the protection that conforms can realize the miniaturization of off-premises station.The warm ability of trickle increase refrigeration is carried out system works under the situation that does not increase the refrigerant piping system between off-premises station and the indoor set.The perhaps corresponding increase of air conditioner load in the future, only appending the connection off-premises station just can the increase capacity.
Description of drawings
Fig. 1 is the major part exploded perspective view of expression according to the off-premises station of one embodiment of the present of invention.Fig. 2 is the in-built plane of the major part of expression off-premises station shown in Figure 1.Fig. 3 is the in-built front view of the major part of expression off-premises station shown in Figure 1.Fig. 4 is the in-built side view of the major part of expression off-premises station shown in Figure 1.Fig. 5 is the stereogram of the breeze fan of expression off-premises station shown in Figure 1.Fig. 6 is the bell-mouthed plane of expression off-premises station shown in Figure 1.Fig. 7 is the bell-mouthed side view of expression off-premises station shown in Figure 1.Fig. 8 is the plane of the spiral blower fan of expression off-premises station shown in Figure 1.Fig. 9 is the side view of the spiral blower fan of expression off-premises station shown in Figure 1.Figure 10 is the calcspar of expression according to the cooling cycle system of the off-premises station of one embodiment of the present of invention.Figure 11 is a schematic diagram of representing the profile of existing off-premises station from plane and side.Figure 12 is the schematic diagram of representing from plane and side according to off-premises station profile of the present invention.
The specific embodiment
With reference to the 1st figure, what its was represented is the off-premises station of the first embodiment of the present invention.The main body of this off-premises station comprises: be positioned at this off-premises station lower end, off-premises station is fixed on the seat 14 and the base 13 of support product overall weight on the installed surface, be positioned at the front apron hypomere 15 of front downside, be positioned at the front apron 16 of front upside, be positioned at the side shield 17,18 of positive both sides, be positioned at the overhead gage 19 of front upside, and the backboard 20 that is positioned at the back, constitute the path of the wind that breeze fans blow at the central configuration horn mouth 11 of overhead gage 19, outlet side is provided with blower fan separation net 12.
The floor space of product is determined as shown in Figure 1, have the off-premises station of the refrigerating capacity of 5~6HP by the size of seat 14, and the appearance and size of seat is 790mm (front and back are long) * 630mm (wide).
Extremely shown in Figure 4 as Fig. 2, on base 13, be equipped with compressor 3, accumulator 4, flow container 5, be communicated with cross valve 6, globe valve 7, expansion valve 2 that cooling cycle system is used, and the formation Machine Room, as shown in the figure, improved the integrated efficient of above-mentioned each member in the Machine Room, guarantee from heat exchanger 1 to blower fan 10 broad ventilation channel, and reduced flowing resistance, reduced the air-supply noise.And because at the position, rear of off-premises station body interior configuration heat exchanger 1, so reduce floor space, the height that strengthens heat exchanger 1 is to guarantee necessary floor space.
From the top of the near heat exchanger 1 of breeze fan 10, wind speed is very fast.Bottom wind speed from breeze fan 10 heat exchanger 1 far away is slower, above-below direction at heat exchanger 1 has the tendency that produces wind speed profile like this, in order to prevent because of this wind speed profile, between the path of heat exchanger 1, produce temperature difference, and cause heat exchange performance to reduce, just reduce the wind speed refrigerant piping number of path faster, increase the refrigerant piping number of the slower path of wind speed, to reduce temperature difference between path.The HFC series coolant circulates in cooling cycle system, perhaps circulation in heat exchanger 1.
Air-supply arrangement is made of motor 9, breeze fan 10, horn mouth 11, blower fan separation net 12, is configured in the top of off-premises station, wind is blown out the phenomenon that absorbed by heat exchanger 1 of the wind that can not blow out like this, just said short circuit phenomenon from above.Even and connect several off-premises stations aside side by side, also can avoid being absorbed by the heat exchanger 1 of this off-premises station from the wind that adjacent off-premises station blows out.Thereby can on less installing space, connect a plurality of off-premises stations side by side.
For reducing the floor space of off-premises station, if the external diameter that will reduce the external diameter of horn mouth 11 and spiral breeze fan like this, the sound that is arranged on the blower fan separation net 12 wind-engagings impact of horn mouth 11 flow exports will increase, and the antitriptic wind sound (wind is cut sound) that breeze fan 10 and part wind-engaging on every side thereof disturb also can increase.Perhaps increase for the antitriptic wind sound of guaranteeing the breeze fan 10 that necessary air quantity rev up causes, therefore, aspect the enforcement miniaturization, compare the external diameter that must fully strengthen the cylindrical portion of horn mouth 11 with the breeze fan external diameter, also just have to strengthen the front and back of off-premises station main body or the size of width.
As shown in Figure 5, overhead gage 19 plays the guide effect of wind at the inflow entrance place of the wind of breeze fan 10, and horn mouth 11 suppresses the generation of eddy current with the wind orientation, reduces wind speed.Blower fan separation net 12 prevents that staff or article from invading in the breeze fan 10.Overhead gage 19 and the horn mouth 11 formation ventilating system that fuses.
If reduce the floor space of off-premises station, the appearance and size of off-premises station will restrict the external diameter of breeze fan 10.The reduction of noise normally is to realize by the external diameter that strengthens breeze fan 10, reduction rotating speed.But guarantee the refrigerating capacity of defined.The mixed type cold-producing medium that uses HFC series coolant or boiling point to have nothing in common with each other, particularly during the R407C cold-producing medium, it is essential increasing air quantity.
As shown in Figure 6 and Figure 7, have with respect to the barrel surface 11a at position, breeze fan neighboring and eddy current locking plane of structure 11b and the vertical face 11c of eddy current locking that expands along diametric(al) from the part at this barrel surface periphery position according to horn mouth 11 of the present invention.Eddy current locking plane of structure 11b and the vertical face 11c of eddy current locking form eddy current lock chamber 11d.
Like this, the blade tip eddy current from the blade tip of breeze fan 10 produces is introduced to eddy current lock chamber 11d, and the aeroperformance of breeze fan 10 is improved.Thereby the interference of blade tip eddy current and blade leading section reduces, and aerodynamic noise reduces.Especially the above-mentioned shape of horn mouth 11 has strengthened the effective flow path area in discharge opening place of breeze fan 10, so can reduce the flow velocity of discharge opening.The aerodynamic noise of blower fan separation net 12 also will reduce.
With reference to Fig. 8 and Fig. 9, the structure of breeze fan 10 is described.
Obtain the air quantity of defined for the external diameter that does not strengthen breeze fan 10, will reduce blade lift, increase the workload of each blade air-supply, to reduce rotating speed.
Promptly, for increasing the workload of each blade blowing, will strengthen the circumferential lengths of blade front end, the length of circumferential lengths and the outermost circumference of breeze fan 10 at the position, neighboring of 1 piece of blade is reached more than 0.8 divided by the ratio of the numerical value of the number of blade gained that constitutes breeze fan 10.
With reference to Figure 10, cooling cycle system is described.
Cooling cycle system be by the kind of refrigeration cycle pipe arrangement connect accumulator 4, compressor 3 successively, return logical valve 6, heat exchanger 1, flow container 5, expansion valve 2 constitute.These machines are accommodated in compactly in the Machine Room of off-premises station, to strengthen the volume of the supply fan room between heat exchanger 1 and the breeze fan 10.
Resemble accumulator 4, compressor 3, member that flow container 5 is heavy like this must be fixed on the base 13.If with these machine vertical units, just can make base 13 miniaturizations.
When disposing a plurality of off-premises station, be mostly angle section to be set, each off-premises station along laterally being arranged side by side, for this reason will be with the front and back length dimension of each off-premises station be unifiedly formed seriation at the width of off-premises station.If front and back length dimension difference can bring the outward appearance of off-premises station ugly, can not the problem that application property worsens be installed etc. with identical angle section.
When being installed in off-premises station on the roof, two kinds of method for carrying are arranged, a kind of method be hang on the roof with crane etc. go, another kind of method is to use the elevator in the building to be transported to the superiors.Consider from operating expenses and security aspect, preferably use elevator.The present invention seeks miniaturization, the densification of off-premises station just, can use the elevator carrying.
In addition, in the present invention, off-premises station is made the ability difference of every horsepower of heating-cooling equipment, but the general-purpose product of main body housing size constancy, for example, as basic machine, a plurality of basic machines are combined constitutes the large-scale machine of product line with the small-sized machine of off-premises station product line.
The present invention does not increase the refrigerant piping system between indoor set and the off-premises station with off-premises station miniaturization and the protection time of conforming, and the ability ground that increases heating-cooling equipment a little carries out system configuration.According to the present invention, by append the ability that connects off-premises station and increase heating-cooling equipment, to adapt to the requirement that client in the future increases air conditioner load.
The concrete system configuration of off-premises station below is described.
Be existing off-premises station series of combination as shown in figure 11, refrigerating capacity is 14~16kw (5, when off-premises station 6HP) is basic machine, be 22.4-35.5kw (8,10 for obtaining refrigerating capacity, off-premises station 13HP), just two stylobate plinth machines are combined,, just 3 stylobate plinth machines are combined for obtaining the off-premises station that refrigerating capacity is 45kw (16HP), for obtaining the off-premises station that refrigerating capacity is 56kw (20HP), just 4 stylobate plinth machines are combined and constitute series of combination.
Like this, refrigerating capacity is the off-premises station of 8~20HP, and appearance and size is that the casing size becomes greatly at width, the platform number of pressure fan increases corresponding to ability to work, causes cost to increase the problem that reuse is bad so produce.
Shown in Figure 12 is according to the product line combination of one embodiment of the present of invention.Refrigerating capacity is 14~16kw (5, off-premises station 6HP) and refrigerating capacity are 22.4-28kw (8, when off-premises station 10HP) is basic machine, for obtaining the off-premises station that refrigerating capacity is 35.5kw (13HP), with 2 refrigerating capacities is that the basic machine of 6HP combines, and for obtaining the off-premises station that refrigerating capacity is 45~46kw (16-20HP), is 8HP with 2 refrigerating capacities just, perhaps refrigerating capacity is that the basic machine of 10HP combines, and constitutes series of combination.
If thereby realizing miniaturization, densification as the off-premises station of basic machine, the appearance and size with off-premises station of the ability that number stylobate plinth machine is combined also can realize densification.Can reduce pressure fan the platform number, reduce cost, improve reuse.Be to improve the thermal conductivity in the copper pipe of heat exchanger 1, can on the copper pipe inwall, form the ditch of distortion in a certain direction by the center line with respect to pipe, strengthen ditch depth and improve heat conductivility, to realize the miniaturization of heat exchanger.
As mentioned above, the present invention has the following advantages,
(1) miniaturization of off-premises station, densification can reduce product cost, can develop medium-sized machine, large scale computer by the combination of many off-premises stations, can shorten the construction cycle and curtail expenditure.
(2), can effectively utilize the spaces such as roof, balcony, eaves of building because the installing space of off-premises station is less.
(3) miniaturization of off-premises station, densification, the carrying that can improve off-premises station, for example, the efficiency of loading of carrying vehicles such as truck improves, and carries off-premises station on the roof can use elevator.
(4) miniaturization of off-premises station, densification can reduce the use amount of packaging material such as timber, corrugated board, help environmental protection and recycling.
As mentioned above, use the HFC series coolant need on heat exchanger, guarantee big heat-conducting area, but this can remedy by the air quantity that increases air blast.So can realize the miniaturization of air conditioner, can fully be conformed, especially the off-premises station of the air conditioner of reuse and use thereof.
Off-premises station according to resulting air conditioner of the present invention and use thereof, can not damage the ozone layer, even refrigerating capacity is the off-premises station of 22~28kw, also can guarantee the air quantity of breeze fan, the width dimensions of the profile of off-premises station is less, has so both kept the heat exchange performance of air conditioner, can realize miniaturization again, can conform fully, particularly reuse.
In addition; off-premises station according to resulting air conditioner of the present invention and use thereof; can not damage the ozone layer; protection conforms; when realizing the miniaturization of off-premises station; do not increase the refrigerant piping system between off-premises station and the indoor set, and the ability ground that increases heating-cooling equipment a little carries out system configuration.Perhaps can be by only appending the ability that off-premises station increases heating-cooling equipment that connects, to adapt to the requirement that air conditioner load increases.
Though more than be the present invention to be described according to embodiment, the present invention is not defined therefrom, it is limited by the scope of claim just.

Claims (8)

1. air conditioner has with indoor set and has the cooling cycle system that the off-premises station of compressor, heat exchanger, breeze fan is connected, and it is characterized in that:
Circulation HFC series coolant in above-mentioned refrigerating circulation system;
Above-mentioned compressor vertically is configured in above-mentioned off-premises station main body;
Above-mentioned off-premises station comprises: horn mouth, and this horn mouth is arranged on the periphery of above-mentioned breeze fan, for cylindric, has the shape that only radially enlarges at its cylinder depth direction internal diameter; And breeze fan, the circumferential lengths of the peripheral part of one piece of blade of this breeze fan and the length of the outermost circumference of above-mentioned breeze fan divided by piece number of the blade that constitutes above-mentioned breeze fan afterwards the ratio of institute's value be more than 0.8.
2. an off-premises station has compressor, heat exchanger, cross valve, breeze fan, it is characterized in that, comprising:
Vertically be configured in the above-mentioned compressor on the above-mentioned off-premises station main body;
Horn mouth, this horn mouth is arranged on the periphery of above-mentioned breeze fan, for cylindric, only has the shape that the depth direction internal diameter at its cylinder radially enlarges;
Breeze fan, the circumferential lengths of the peripheral part of one piece of blade of this breeze fan and the length of the outermost circumference of above-mentioned breeze fan divided by piece number of the blade that constitutes above-mentioned breeze fan afterwards the ratio of institute's value be more than 0.8.
3. air conditioner as claimed in claim 1 is characterized in that having: air quantity is 110~200m 3The above-mentioned breeze fan of/min and refrigerating capacity are 22~28kW, see that from a positive side width profile is of a size of the above-mentioned off-premises station of 900~1200mm.
4. off-premises station as claimed in claim 2 is characterized in that refrigerating capacity is 22~28kW, and having air quantity is 110~200m 3The above-mentioned breeze fan of/min sees that from a positive side width profile is of a size of 900~1200mm, above-mentioned heat exchanger circulation HFC cold-producing medium.
5. off-premises station as claimed in claim 2 is characterized in that, refrigerating capacity is 14~16kW, sees that from a positive side width profile is of a size of 600~700mm, and above-mentioned heat exchanger makes the HFC series coolant circulate as cold-producing medium.
6. air conditioner as claimed in claim 1, it is characterized in that, have: refrigerating capacity is 22~28kW, sees that from a positive side above-mentioned off-premises station and refrigerating capacity that width profile is of a size of 900~1200mm are 14~16kW, see that from a positive side width profile is of a size of the above-mentioned off-premises station of 600~700mm.
7. air conditioner as claimed in claim 1 is characterized in that, sees that from a positive side depth direction appearance and size is that the above-mentioned off-premises station of 650~800mm is connected with many.
8. off-premises station as claimed in claim 2, it is characterized in that, refrigerating capacity is 22~28kW, sees that from a positive side width profile is of a size of the 1st off-premises station of 900~1200mm and refrigerating capacity and is 14~16kW, sees that from a positive side the 2nd off-premises station that width profile is of a size of 600~700mm is connected.
CN 98116193 1997-07-24 1998-07-23 Air conditioner and its outdoor unit Expired - Fee Related CN1198087C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP19818997A JP3491500B2 (en) 1997-07-24 1997-07-24 Air conditioner and outdoor unit used for it
JP198189/1997 1997-07-24
JP198189/97 1997-07-24

Publications (2)

Publication Number Publication Date
CN1206812A CN1206812A (en) 1999-02-03
CN1198087C true CN1198087C (en) 2005-04-20

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Application Number Title Priority Date Filing Date
CN 98116193 Expired - Fee Related CN1198087C (en) 1997-07-24 1998-07-23 Air conditioner and its outdoor unit

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JP (1) JP3491500B2 (en)
CN (1) CN1198087C (en)
TW (1) TW397912B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007078217A (en) * 2005-09-13 2007-03-29 Hitachi Ltd Outdoor unit
JP2007093151A (en) * 2005-09-30 2007-04-12 Hitachi Ltd Air-conditioner
WO2016203636A1 (en) * 2015-06-19 2016-12-22 三菱電機株式会社 Outdoor unit for refrigeration cycle device, and refrigeration cycle device

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JP3491500B2 (en) 2004-01-26
JPH1144437A (en) 1999-02-16
TW397912B (en) 2000-07-11
CN1206812A (en) 1999-02-03

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