CN101086402A - Liquid tank of air conditioner - Google Patents

Liquid tank of air conditioner Download PDF

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Publication number
CN101086402A
CN101086402A CN 200610014085 CN200610014085A CN101086402A CN 101086402 A CN101086402 A CN 101086402A CN 200610014085 CN200610014085 CN 200610014085 CN 200610014085 A CN200610014085 A CN 200610014085A CN 101086402 A CN101086402 A CN 101086402A
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CN
China
Prior art keywords
refrigerant
air
conditioner
refrigerant efferent
main body
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Pending
Application number
CN 200610014085
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Chinese (zh)
Inventor
金种一
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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 CN 200610014085 priority Critical patent/CN101086402A/en
Publication of CN101086402A publication Critical patent/CN101086402A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a reservoir of an air-conditioner, which comprises the following parts: a body, a coolant influx pipe which leads the lubricating oil and the gas or liquid coolant to the body inside, a plurality of coolant discharge pipes which can discharge the gas coolant from the body and form the lubricating oil hole on the body and a coolant discharge pipe integral device which integrates the top of the coolant discharge pipes. The invention makes a plurality of coolant discharge pipes integrate with the weld in order to keep the height error limit of every oil hole among the coolant discharge pipes less than 1mm after assembling and make the lubricating oil in the compressors uniformly, which guarantees the dependence of the compressor, improves the production efficiency without checking the length of every coolant discharge pipe separately.

Description

The fluid reservoir of air-conditioner
Technical field
The present invention relates to a kind of fluid reservoir, particularly relate to the fluid reservoir of the air-conditioner that a kind of its inner several refrigerant efferent ducts that are provided with are combined into one.
Background technology
Usually, the air-conditioner heat exchange circulation system that to be a kind of utilization be made of compressor, condenser, evaporimeter and expansion gear and the device that provides cold air or hot gas for the building that is provided with air-conditioner or house interior, it is divided into split type and integral type substantially.Detachable air conditioner is identical on function with integral air conditioner, but detachable air conditioner is that indoor heat converter (evaporimeter or condenser) is set on indoor set, and outdoor heat converter (condenser or evaporimeter) and compressor are set on off-premises station, and utilizing the refrigerant pipe to connect indoor set and two devices of off-premises station, integral air conditioner then is an enclosure interior indoor heat converter, outdoor heat converter and expansion gear to be set.Wherein integral air conditioner is divided into the window air conditioner that is set directly on the window and the channel-type air-conditioner that is arranged on the indoor outside etc. that links to each other with output channel by suction passage.Detachable air conditioner then is divided into and is vertically set on ground cabinet air conditioner and is suspended on wall-hanging air conditioner on the wall.In addition, air-conditioner also can be divided into single-cooling type air-conditioner that is specifically designed to refrigeration and the heat pump air conditioner with refrigerating/heating function.And, be widely used in the multi-split air conditioner that connects several indoor sets at least more than one the off-premises station recently.In this air-conditioner, will in expansion gear, expand after the compression of the compressed machine of refrigerant, evaporate by evaporimeter then, the fluid reservoir by can the storing liquid refrigerant re-circulates to compressor afterwards.Flow into may to be included in the refrigerant in the fluid reservoir and fail the liquid refrigerants of evaporation in time on the evaporimeter, fluid reservoir will temporarily be preserved this part liquid refrigerants this moment, and gaseous coolant is flowed to compressor.In addition, the inside of compressor utilizes lubricating oil to be lubricated usually and cools off, wherein parts of lubricating oil will be discharged from compressor with gaseous coolant, this moment, the effect of fluid reservoir was to isolate lubricating oil the mixture of the refrigerant of will discharge from compressor and lubricating oil, and the lubricating oil of separating is got back in the compressor once more.
Fig. 6 is a liquid storage tank structure stereogram in the air-conditioner of prior art.Fig. 7 is a liquid storage tank structure cutaway view in the air-conditioner of prior art.Fig. 8 is a fluid reservoir partial structurtes sectional block diagram in the air-conditioner of prior art.To shown in Figure 8, the fluid reservoir 100 of the air-conditioner of this prior art comprises: inside has the main body 102 in regulation space as Fig. 6; Can introduce the refrigerant inflow pipe 104 of lubricating oil and liquid state or gaseous coolant to the inside of main body 102; Can discharge gaseous coolant from the inside of main body 102, and be formed with the oilhole 106a of the lubricating oil that can discharge main body 102 inside on it, and several refrigerant efferent ducts 106 that link to each other with the compressor that gaseous coolant can be compressed into high pressure conditions.Each refrigerant efferent duct 106 that wherein is inserted into main body 102 inside is to be vertically set on along the vertical direction on the main body 102 with the state that keeps a determining deviation each other.Be formed on the inner lower that oilhole 106a on each refrigerant efferent duct 106 is positioned at main body 102.Fluid reservoir 100 with prior art air-conditioner of said structure acts on as follows: as mentioned above, gaseous state or liquid refrigerants are the inside that flows into main bodys 102 with lubricating oil by refrigerant inflow pipe 104.The gaseous coolant that flows into main body 102 inside will be separated from liquid refrigerants and lubricating oil, and the upper port by several refrigerant efferent ducts 106 is discharged in the compressor then.And flow into main body 102 inner and with the downside that liquid refrigerants after gaseous coolant separates and lubricating oil will flow to main body 102, utilize between the two proportion and density contrast and being separated from each other afterwards.The lubricating oil that flows to main body 102 downsides will flow back in the compressor by the oilhole 106a on the refrigerant efferent duct 106, and the liquid refrigerants that flows to main body 102 downsides will temporarily be stored in the inside of main body 102, be gasificated into gaseous coolant under the higher around then effect of environmental temperature, drain into the inside of compressor at last by refrigerant efferent duct 106.But, because it is longer to be inserted in the length of the refrigerant efferent duct 106 of main body 102 inside on the fluid reservoir 100, be that refrigerant efferent duct 106 is that mode with cantilever is arranged on the main body 102, therefore if when assembling or be subjected to external impact after the assembling it rocks generation, thereby cause the height of each refrigerant efferent duct 106 upper oil hole 106a different mutually, if be discharged to the interior lubricants capacity of a certain compressor so seldom, just be easy to make this compressor impaired.In addition, because the height of each refrigerant efferent duct 106 upper oil hole 106a can not cause extremely bad influence to the reliability of compressor simultaneously, therefore after 106 assemblings of refrigerant efferent duct, need to check one by one refrigerant efferent duct 106 length that are inserted on the main body 102, will therefore reduce production efficiency like this.In addition, also collision can be produced each other when several refrigerant efferent ducts 106 rock in the fluid reservoir 100, noise will be produced thus, and fragile.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of several refrigerant efferent ducts can being combined into one, thereby can make the height of each refrigerant efferent duct upper oil hole consistent with each other, and can not produce collision between several refrigerant efferent ducts, and the fluid reservoir of the air-conditioner that is more prone to of assembly operation.
In order to achieve the above object, the fluid reservoir of air-conditioner provided by the invention comprises main body; Can introduce the refrigerant inflow pipe of lubricating oil and liquid state or gaseous coolant to the inside of main body; Can discharge gaseous coolant from the inside of main body, and be formed with several refrigerant efferent ducts of the oilhole that can flow out lubricating oil on it; The upper junction integrator of described several refrigerant efferent ducts and constitute refrigerant efferent duct coupling apparatus.
Described each refrigerant efferent duct is by constituting with contacted the 1st pipe portion of other refrigerant efferent duct and the 2nd pipe portion that forms from the outwardly-bent extension in the lower end of the 1st pipe portion for fear of contacting with other refrigerant efferent duct.
Described the 1st pipe portion constitutes the top of each refrigerant efferent duct.
To be the method for utilizing welding mutually combine the top of several refrigerant efferent ducts to described refrigerant efferent duct coupling apparatus and form.
The fluid reservoir of air-conditioner provided by the invention is that modes such as several refrigerant efferent duct utilization welding are combined into one, therefore after assembling or the assembling between these refrigerant efferent ducts the height error scope of each oilhole can maintain within the 1mm, thereby lubricating oil is got back in the several compressors equably, therefore can be guaranteed the reliability of compressor.And, because several refrigerant efferent ducts are to adopt mode such as welding to be combined into one, therefore need not to check respectively the length that is inserted into interior each refrigerant efferent duct of main body, thereby can enhance productivity; And can prevent phase mutual interference between several refrigerant efferent ducts, can prevent noise thus, and can avoid the refrigerant efferent duct to be damaged; Particularly can form pillar mutually between several refrigerant efferent ducts and support mutually, thereby be provided with firm; And can easily it be installed on the product, and expense increases minimum.In addition, because each refrigerant efferent duct has respectively the warp architecture that partly engages with other refrigerant efferent duct, therefore design is more prone to and is simple.
Description of drawings
Fig. 1 is an air-conditioner structural perspective provided by the invention.
Fig. 2 is that air-conditioner provided by the invention is formed schematic diagram.
Fig. 3 is a liquid storage tank structure stereogram in the air-conditioner provided by the invention.
Fig. 4 is a liquid storage tank structure cutaway view in the air-conditioner provided by the invention.
Fig. 5 is a fluid reservoir partial structurtes sectional block diagram in the air-conditioner provided by the invention.
Fig. 6 is a liquid storage tank structure stereogram in the air-conditioner of prior art.
Fig. 7 is a liquid storage tank structure cutaway view in the air-conditioner of prior art.
Fig. 8 is a fluid reservoir partial structurtes sectional block diagram in the air-conditioner of prior art.
Critical piece label in the accompanying drawing:
10: indoor set 20: off-premises station
22: outdoor heat converter 24: compressor
50: branched pipe 40: fluid reservoir
42: main body 44: the refrigerant inflow pipe
46: refrigerant efferent duct 46`: oilhole
46a: the 1st 46b of pipe portion: the 2nd pipe portion
The specific embodiment
Be elaborated below in conjunction with the fluid reservoir of drawings and Examples to air-conditioner provided by the invention.
Fig. 1 is an air-conditioner structural perspective provided by the invention.Fig. 2 is that air-conditioner provided by the invention is formed schematic diagram.As shown in Figure 1 and Figure 2, air-conditioner provided by the invention comprises and utilizes the off-premises station 20 that refrigerant pipe 2 links to each other and several indoor sets 10 that are separately positioned on each interior space.Wherein indoor set 10 can be provided with more than 2, is to be that example describes to be provided with 4 in the present embodiment.Be equipped with the indoor heat converter 12 that the air refrigerant inner with it that can make in each interior space carries out heat exchange in every indoor set 10.When air-conditioner carried out refrigerating operaton, indoor heat converter 12 had the effect of evaporimeter, and its inner liquid refrigerants will carry out heat exchanger and flash to gaseous state with room air this moment, thereby room air is cooled off.And when air-conditioner carries out heating operation, 12 effects of indoor heat converter with condenser, its inner gaseous coolant will carry out heat exchange with room air and be condensed at this moment, thereby the temperature of room air is risen.Be respectively equipped with on the input of indoor heat converter 12, the outlet side and be used to obtain indoor heat converter 12 and input or output the 1st of refrigerant information, the 2nd indoor-unit cooling-medium tube sensor 13,14, and which is provided with the indoor set air borne sensor 15 that is used to obtain indoor heat converter 12 ambient room air information.Described off-premises station 20 comprises: can make the refrigerant of its internal flow and the outdoor heat converter 22 that outdoor air carries out heat exchange; The compressor 24 that is used for the compressed gaseous refrigerant; Can make the gaseous coolant of compressed machine 24 compressions flow to the cross valve 26 of indoor heat converter 12 or outdoor heat converter 22 according to the refrigerating/heating pattern; Can make refrigerant that flows to outdoor heat converter 22 or the refrigerant of discharging produce the expansion valve 28 that expands from outdoor heat converter 22.When air-conditioner carries out refrigerating operaton, outdoor heat converter 22 has the gaseous coolant that can make its internal flow and outdoor air to carry out heat exchange and then produces the condenser condensing effect, and when air-conditioner carried out heating operation, it had the liquid refrigerants and the outdoor air that can make its internal flow and carries out the evaporimeter effect that heat exchange then produces evaporation.Be provided with the off-premises station refrigerant tube sensor 34 that is used to the refrigerant information between outdoor heat converter 22 and the expansion valve 28 of obtaining between outdoor heat converter 22 and the expansion valve 28.In addition, outdoor heat converter 22 is provided with the off-premises station air borne sensor 36 that is used to obtain outdoor heat converter 22 outdoor air information on every side.In addition, compressor 24 can be provided with more than 1 or 2, and can dispose constant constant speed compressor of compression volume or the variable frequency-changeable compressor of compression volume respectively.3 compressors are set in the present embodiment altogether, and all are connected,, then flow to cross valve 26 again so that the HTHP gaseous coolant of 3 compressor 24 discharges flocks together earlier with off-premises station house steward 25.Be respectively equipped with check-valves 30 between off-premises station house steward 25 and each compressor 24, make refrigerant to flow to off-premises station house steward 25 thus from compressor 24.In addition, be provided with the compressor output transducer 32 that is used to obtain from the refrigerant information of compressor 24 discharges between off-premises station house steward 25 and the cross valve 26.3 compressors 24 also link to each other with fluid reservoir 40 simultaneously.Enter the inside of 3 compressors 24 and be provided with fluid reservoir 40 in order to fail the liquid refrigerants of evaporation in time in the heat exchanger that prevents from indoor heat converter 12 and outdoor heat converter 22, to play the evaporimeter effect, the inside that it can make gaseous coolant in the refrigerant that 3 compressors 24 flow and lubricating oil enter 3 compressors 24.The suction side of fluid reservoir 40 is provided with the compressor that is used to obtain the refrigerant information that flows to 3 compressors 24 and sucks sensor 38, and is provided with low tension switch 39.Simultaneously, be provided with branched pipe 50 between 4 indoor sets 10 and the off-premises station 20, it is used for the liquid refrigerants that 4 indoor sets 10 the are discharged liquid refrigerants that then makes it flow to off-premises station 20 or off-premises station 20 is discharged that flocks together earlier is assigned to each indoor set 10.And, also be provided with indoor set house steward 52 between 4 indoor sets 10 and the off-premises station 20.Below in conjunction with Fig. 1 and Fig. 2 the air-conditioner course of work with said structure is described: under refrigeration mode, shown in solid arrow among Fig. 2, the refrigerant of compressed machine 24 compressions at first flows to outdoor heat converter 22 by cross valve 26, flow through outdoor heat converter 22, expansion valve 28 and indoor heat converter 12 then successively and carry out condensation, expansion and evaporation, get back to compressor 24 by fluid reservoir 40 at last.And under heating mode, shown in dotted arrow among Fig. 2, the refrigerant of compressed machine 24 compressions at first flows to indoor heat converter 12 by cross valve 26, flow through indoor heat converter 12, expansion valve 28 and outdoor heat converter 22 then successively and carry out condensation, expansion and evaporation, get back to compressor 24 by fluid reservoir 40 at last.
Describe the fluid reservoir 40 of air-conditioner provided by the invention in detail below in conjunction with accompanying drawing.Fig. 3 is a liquid storage tank structure stereogram in the air-conditioner provided by the invention.Fig. 4 is a liquid storage tank structure cutaway view in the air-conditioner provided by the invention.Fig. 5 is a fluid reservoir partial structurtes sectional block diagram in the air-conditioner provided by the invention.To shown in Figure 5, the fluid reservoir 40 of air-conditioner provided by the invention comprises: inside has the main body 42 of certain space as Fig. 3; Be connected with an end of main body 42, can introduce the refrigerant inflow pipe 44 of lubricating oil and liquid state or gaseous coolant to the inside of main body 42; Be connected with the other end of main body 42, the gaseous coolant of main body 42 inside can be discharged to several refrigerant efferent ducts 46 of 3 compressors 24.Described main body 42 is inner confined space with regulation, thereby can store the cylinder-like structure of refrigerant, and it comprises the body 42a that is formed with opening on the upper and lower end; Combine with the upper end of body 42a, thereby can cover the loam cake 42b of body 42a upper end; Combine with lower end, thereby can cover the lower cover 42c of body 42a lower end with body 42a.Be formed with the ingate 42d that can vertically insert refrigerant inflow pipe 44 on the loam cake 42b of main body 42, be formed with several outlet openings 42e that can vertically insert refrigerant efferent duct 46 on the lower cover 42c of main body 42, and the quantity of outlet opening 42e should be identical with the quantity of refrigerant efferent duct 46.In addition, influence each other for fear of refrigerant inflow pipe 44 and 46 of several refrigerant efferent ducts and refrigerant inflow pipe 44 is arranged on the edge of main body 42.For the ease of isolating the gaseous coolant that flows into main body 42 inside with lubricating oil and liquid refrigerants, the lower end that is inserted into the refrigerant inflow pipe 44 of main body 42 inside should be positioned at the downside of several refrigerant efferent duct 46 upper ends that are inserted into main body 42 inside.For corresponding with 3 compressors 24 and be provided with 3 refrigerant efferent ducts 46.Be inserted on 3 refrigerant efferent ducts, the 46 downside positions of main body 42 inside and be formed with oilhole 46`.Oilhole 46` can make the lubricating oil that flows to main body 42 inner lower get back in each compressor 24 by each refrigerant efferent duct 46 respectively.Refrigerant efferent duct 46 by with other refrigerant efferent duct 46 contacted the 1st 46a of pipe portion and for fear of contacting with other refrigerant efferent duct 46 from the outwardly-bent extension in lower end of the 1st 46a of pipe portion and the 2nd 46b of pipe portion that forms constitute.That is, the 1st 46a of pipe portion constitutes the top of each refrigerant efferent duct 46, and the 2nd 46b of pipe portion then constitutes the bottom of each refrigerant efferent duct 46.The 1st 46a of pipe portion of 3 refrigerant efferent ducts 46 can be that assemble at the center with the axle center of main body 42, and can form refrigerant efferent duct coupling apparatus with mode such as welding, gluing, welding, clamping.Refrigerant efferent duct coupling apparatus in the present embodiment is to be welded to each other under the state that the 1st 46a of pipe portion of 3 refrigerant efferent ducts 46 assembles mutually and to form.In addition, the welding of carrying out on the 1st 46a of pipe portion of 3 refrigerant efferent ducts 46 can be carried out such as a plurality of positions of 40mm in the spacing of regulation.Effect to air conditioner liquid storage tank 40 with said structure is elaborated below.After liquid and gaseous coolant enter the inside of main body 42 by refrigerant inflow pipe 44, gaseous coolant will be discharged to each compressor 24 by 3 refrigerant efferent ducts 46, and liquid refrigerants then flows to the downside of main body 42, and is stored in the inside of main body 42.Be stored under will be around the fluid reservoir 40 higher effect of environmental temperature of the liquid refrigerants of main body 42 inside and produce gasification, flow into each compressor 24 respectively by 3 refrigerant efferent ducts 46 then.Simultaneously, lubricating oil also will pass through the inner lower that refrigerant inflow pipe 44 flows into main bodys 42 with liquid and gaseous coolant, be expelled back into respectively in each compressor 24 by the oilhole 46 ' on 3 refrigerant efferent ducts 46 then.

Claims (4)

1, a kind of fluid reservoir of air-conditioner comprises main body (42); Can introduce the refrigerant inflow pipe (44) of lubricating oil and liquid state or gaseous coolant to the inside of main body (42); Can discharge gaseous coolant from the inside of main body (42), and be formed with several refrigerant efferent ducts (46) of the oilhole (46 ') that can flow out lubricating oil on it; It is characterized in that: the upper junction integrator of described several refrigerant efferent ducts (46) and constitute refrigerant efferent duct coupling apparatus.
2, the fluid reservoir of air-conditioner according to claim 1 is characterized in that: described each refrigerant efferent duct (46) is by constituting with contacted the 1st pipe portion (46a) of other refrigerant efferent duct (46) and the 2nd pipe portion (46b) that forms from the outwardly-bent extension in lower end of the 1st pipe portion (46a) for fear of contacting with other refrigerant efferent duct (46).
3, the fluid reservoir of air-conditioner according to claim 2 is characterized in that: described the 1st pipe portion (46a) constitutes the top of each refrigerant efferent duct (46).
4, according to the fluid reservoir of each described air-conditioner in the claim 1 to 3, it is characterized in that: to be the method for utilizing welding mutually combine the top of several refrigerant efferent ducts (46) to described refrigerant efferent duct coupling apparatus and form.
CN 200610014085 2006-06-06 2006-06-06 Liquid tank of air conditioner Pending CN101086402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610014085 CN101086402A (en) 2006-06-06 2006-06-06 Liquid tank of air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200610014085 CN101086402A (en) 2006-06-06 2006-06-06 Liquid tank of air conditioner

Publications (1)

Publication Number Publication Date
CN101086402A true CN101086402A (en) 2007-12-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200610014085 Pending CN101086402A (en) 2006-06-06 2006-06-06 Liquid tank of air conditioner

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104567129A (en) * 2013-10-23 2015-04-29 珠海格力电器股份有限公司 Air conditioner system
CN105899893A (en) * 2014-02-28 2016-08-24 三菱电机株式会社 Accumulator, and refrigeration device with said accumulator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104567129A (en) * 2013-10-23 2015-04-29 珠海格力电器股份有限公司 Air conditioner system
CN104567129B (en) * 2013-10-23 2017-06-06 珠海格力电器股份有限公司 Air-conditioning system
CN105899893A (en) * 2014-02-28 2016-08-24 三菱电机株式会社 Accumulator, and refrigeration device with said accumulator
CN105899893B (en) * 2014-02-28 2018-06-01 三菱电机株式会社 Liquid storage device and the refrigerating plant for possessing the liquid storage device
US10060661B2 (en) 2014-02-28 2018-08-28 Mitsubishi Electric Corporation Accumulator and refrigeration apparatus including the same

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