CN1734218A - Accumulator for air conditioner - Google Patents
Accumulator for air conditioner Download PDFInfo
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- CN1734218A CN1734218A CN 200410055136 CN200410055136A CN1734218A CN 1734218 A CN1734218 A CN 1734218A CN 200410055136 CN200410055136 CN 200410055136 CN 200410055136 A CN200410055136 A CN 200410055136A CN 1734218 A CN1734218 A CN 1734218A
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Abstract
This invention relates to an air-conditioning reservoir, wherein in the reservoir there has a machine oil reclaiming capillary, which can provide the compressor with machine oil continually. The air-conditioning reservoir in this invention is composed of the frame, the refrigerant reclaiming pipe, the machine oil reclaiming capillary. Wherein the frame is used as the figuration; the refrigerant reclaiming pipe reclaims refrigerant, and the machine oil reclaiming capillary reclaims machine oil. The machine oil hole on the refrigerant reclaiming pipe is arranged for reclaiming the machine oil of the underside of the reservoir. Besides, the machine oil reclaiming capillary connects with the compressor of the compression refrigerant, and end of the machine reclaiming capillary in the reservoir is on the same height of the machine oil reclaiming hole. The advantage of this air-conditioning reservoir is that it can prevent the heap of the machine oil, and can provide the compressor with machine oil continually.
Description
Technical field
The present invention relates to a kind of air-conditioning memory, particularly relate to and a kind ofly in memory inside machine oil is installed and is reclaimed capillary, the air-conditioning memory (Accumulator for air conditioner) that can constantly provide the machine oil in the memory to compressor.
Background technology
Generally speaking, carry out heat exchange with low-temperature refrigerant after the hot-air in the air-conditioning suction chamber, afterwards cold air is discharged into indoorly, will reach the purpose of refrigeration after repeatedly, can reach system with opposite principle and warm up purpose.Air-conditioning be a kind of cold/house warming system, it finishes a circulation by compressor-condenser-expansion valve-evaporimeter etc.
In recent years, air-conditioning had increased additional functions such as air-cleaning function and dehumidification function again except cold/greenhouse function.Air cleaning is meant contaminated air in the suction chamber, and to the function of indoor releasing pure air, and dehumidification function is that indoor humid air drying is discharged into indoor function afterwards again after filtering.
As everyone knows, air-conditioning can be divided into split-type air conditioner and integral type air-conditioning.So-called split-type air conditioner is exactly the air-conditioning that off-premises station and indoor set are installed respectively, and the integral type air-conditioning is meant the air-conditioning that indoor set and off-premises station are installed together.
Recently, " one drag many " type air-conditioning that building that a family is installed two above air-conditionings or had a plurality of offices wishes to use when each office installs an air-conditioner has appearred again being applicable to.This " one drag many " type air-conditioning is the air-conditioning that an a kind of off-premises station connects a plurality of indoor sets, and its effect is same as installs a plurality of split-type air conditioners.
See also illustrated in figures 1 and 2ly, Fig. 1 is tradition existing " drag a many " type installation of air conditioners view, and Fig. 2 is the structural representation of traditional existing " one drag many " type air conditioner structure and cooling flow.Off-premises station 1 is by compressor 10, memory 20, and outdoor heat converter 30 is formed, and indoor set 50 is made up of indoor heat converter 60 and expansion valve 70.
This " one drag many " type air-conditioning is the air-conditioning that an a kind of off-premises station 1 connects a plurality of indoor sets 50, and off-premises station 1 and indoor set 50 are linked to each other with the lower low-voltage tube 90 of pressure by the high high-voltage tube 80 of pressure.
When the air-conditioning that has a said structure carries out refrigerating operation, the high temp/high pressure gas condensation of refrigerant that compressor compresses/conveying is come in the effect of the outdoor heat converter 30 performance condensers of above-mentioned off-premises station 1.The cold-producing medium that is condensed expand into the gas of low temperature/low pressure by expansion valve 70 time, be transported to 60 li of indoor heat converters then.
The cold-producing medium and the room air that flow into above-mentioned indoor heat converter 60 carry out the gas/liquid body mix refrigerant that heat exchange becomes low temperature/low pressure afterwards.They are transported to each compressor 10 by each memory 20 afterwards, finish the process of refrigeration.
During the warm operation of above-mentioned " one drag many " type air-conditioning system, the flow process of cold-producing medium and the effect of heat exchanger will be opposite.That is, compressor 10 refrigerant compressed are pressed the sequential loop of memory 20, indoor heat converter 60, expansion valve 70, outdoor heat converter 30.
At this moment, above-mentioned indoor heat converter 60 plays the condenser effect, carrying out heat exchange, its inner low-temperature low-pressure refrigerant and outdoor air are carried out heat exchange and above-mentioned outdoor heat converter 30 plays the evaporimeter effect by its inner high-temperature high-pressure refrigerant and room air.
See also shown in Fig. 3 to 6, Fig. 3 is the oblique view of traditional existing air-conditioner outdoor unit outward appearance, Fig. 4 is the exploded perspective view of traditional existing air-conditioner outdoor unit internal structure, Fig. 5 is the simplified schematic diagram with the memory construction of traditional existing technology production, and Fig. 6 is that traditional existing air-conditioner outdoor unit is removed front panel inside front elevation afterwards.The bottom is the base panel 2 that multiple parts are installed, and this panel front end is the front panel 4 that forms frontal appearance.Above-mentioned front panel 4 by the front upper panel 4 of upside ' and the front lower panel 4 of downside " form.
Above-mentioned front lower panel 4 " on a support of pipelines 4 is arranged " a, excision front lower panel 4 " after certain area of lower end with above-mentioned support of pipelines 4 " a covering, above-mentioned high-voltage tube 80, low-voltage tube 90 will " a links to each other with above-mentioned indoor set 50 by this support of pipelines 4.
Above-mentioned front upper panel 4 ' " centre is connected with a central bracket 6 with front lower panel 4.In addition, above-mentioned front upper panel 4 ' the upper end be provided with a upper bracket 6 ', this upper bracket 6 ' will connect below with the electric machine support 48 mentioned ' leading section.
The left and right sides of above-mentioned front panel 4, the real preceding square bearer 8 in two corners about promptly above-mentioned base panel 2 front ends.Square bearer 8 is pressed the above-below direction placement before above-mentioned, will support above-mentioned front panel 4 and the following side grid 34 that will mention.
On above-mentioned base panel 2, compressor 10 is housed.The effect of above-mentioned compressor 10 is that compressed refrigerant makes it to become high-temperature high-pressure state, should each side install one.The constant speed compressor 10 of right side installation constant speed drive ', covert compressor 10 is installed in the left side ".
One side of above-mentioned compressor 10 is centrifugal oil separators 12.This centrifugal oil separator 12 will be recovered to 10 li on compressor to the machine oil after separating that contains in the cold-producing medium of above-mentioned compressor 10 discharges.
In the rear end, left side of above-mentioned base panel 2, by specified altitude assignment mounted valve brace table 14, the upper end of this valve brace table 14 is installed auxiliary valve and is supported.
The central authorities of above-mentioned base panel 2, promptly above-mentioned constant speed compressor 10 ' and covert compressor 10 " between memory 20 is installed, respectively with constant speed compressor 10 ' and covert compressor 10 " in succession mutually.Above-mentioned memory 20 will be separated liquid refrigerant, only allow gas refrigerant flow in the above-mentioned compressor 10.
Further specify as follows.As shown in Figure 5, the profile of above-mentioned memory 20 is formed by columnar frame 15, extends to specific length and cold-producing medium supply pipe 17 penetrates into above-mentioned memory 20 tops.This cold-producing medium supply pipe 17 will make the cold-producing medium that finishes heat exchange at indoor set 50 flow in the above-mentioned memory 20.
Then, refrigerant-recovery pipe 16 is installed in the bottom of above-mentioned memory 20, and it will be sent into the gas refrigerant that contains in the cold-producing medium of above-mentioned memory 20 inside in the compressor.Above-mentioned refrigerant-recovery pipe 16 penetrates into the bottom of above-mentioned memory 20 and upwards inserts, and for the gas refrigerant outside the inhalant liquid cryogen, it will extend to designated length.
One side of above-mentioned refrigerant-recovery pipe 16 has a machine oil recovery holes 18, and it is established in order to reclaim the machine oil that is blended in the cold-producing medium that flows in the above-mentioned memory 20.In order to reclaim the machine oil that is deposited in bottom in the above-mentioned memory 20, said engine oil recovery holes 18 is located at above-mentioned refrigerant-recovery pipe 16 downsides of above-mentioned memory 20 lower ends.
Above-mentioned refrigeration recovery tube 16 is corresponding with the number of compressor 10, and will form machine oil recovery holes 18 on each refrigeration recovery tube 16 this moment.In addition, under the situation of using a plurality of compressors 10, also can be inserted into memory 20 inside to refrigerant-recovery pipe 16 with a pipeline, and then outside branch, connect to each compressor 10.
The upside of above-mentioned compressor 10 has been installed control box 22, though on the introduction aforesaid operations case 22 control assembly and circuit such as voltage changer and capacitor are not being arranged on the figure.Aforesaid operations case 22 is rectangular boxs of front openings, is covered by the operation of front and protects inside.
That is, the left side outdoor heat converter 30 of left side installation ' ' shape (when seeing) from the top ', right side installation ' ' shape see from the top the time right side outdoor heat converter 30 ".The inlet of this outdoor interchanger 30 is equipped with the tube assembly 32 that directs refrigerant is gone into, and outlet is provided with receiver 33.
On the left and right sides side of above-mentioned base panel 2 side grid 34 has been installed, back grid 36 has been installed in the rear end.For with above-mentioned outdoor heat converter 30 symmetries, above-mentioned back grid 36 also has a pair of.That is, above-mentioned left side outdoor heat converter 30 ' the rear installed a left side back grid 36 ', and above-mentioned right side outdoor heat converter 30 " back, right side grid 36 has been installed at the rear ".
Back, above-mentioned left side grid 36 ' and back, right side grid 36 " between the rear frame 38 of fixation has been arranged, square bearer 38 after the corner of the left and right sides, rear end of above-mentioned base panel 2 respectively has '.
The top outward appearance of above-mentioned off-premises station 1 is formed by top panel 40, and above-mentioned top panel 40 by with the rectangular flat of above-mentioned base panel 2 symmetries form central authorities the left and right sides have a pair of passage 40 '.
Above-mentioned passage 40 ' above be cover the ring 42.Above-mentioned to cover ring 42 are cylindrical shapes that project upwards, and the air that blowing fan 46 is exported outward will cover circulation to the outside by this.The above-mentioned upper end of covering ring 42 is an output grid 44.
Above-mentioned cover the ring 42 inboards are blowing fans 46.Said fan 46 is because the effect rotation of fan electromotor 48 mainly is discharged to the outside to the air of inside.And said fans motor 48 usefulness electric machine supports are installed.
But, these under the situation of using a plurality of compressors 10, can produce the unbalanced situation of cycle between the compressor 10 with the air-conditioning memory 20 that traditional existing technology is produced, cause memory 20 inner machine oil to be piled up, the problem of required machine oil can not constantly be provided to compressor 10.
When above-mentioned air-conditioning is installed, generation is elongated because of the duct length that the setting height(from bottom) difference of off-premises station 10 and indoor set 50 causes, cold-producing medium and machine oil also can increase when perhaps other reasons caused duct length than the long situation of design pipeline, and machine oil is deposited in the above-mentioned memory 20.And the sewage that produces during above-mentioned operation of air conditioner can stop up the said engine oil recovery holes 18 of memory 20 bottoms, causes reclaiming machine oil.
Here it is can not constantly provide the reason of machine oil to compressor 10, and this will damage compressor 10, shortens the life-span of air-conditioning, reduces behavior in service.
This shows that above-mentioned existing air-conditioning memory obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that the air-conditioning memory exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing air-conditioning memory exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of air-conditioning memory of new structure, can improve general existing air-conditioning memory, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Main purpose of the present invention is, overcome the defective that existing air-conditioning memory exists, and provide a kind of air-conditioning memory of new structure, technical problem to be solved is to make it can be under the different situation of the operation period of a plurality of compressors, use machine oil recovery capillary and do not allow machine oil be deposited in memory inside, can constantly supply machine oil, thereby be suitable for practicality more to compressor.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of air-conditioning memory that the present invention proposes, it is by frame; The refrigerant-recovery pipe; Machine oil reclaims capillary and constitutes, and its mid frame forms profile; The refrigerant-recovery pipe reclaims cold-producing medium, and machine oil reclaims capillary and reclaims machine oil.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid air-conditioning memory, the machine oil recovery holes of wherein said refrigerant-recovery pipe one side reclaims the machine oil of above-mentioned memory downside.
Aforesaid air-conditioning memory, wherein said machine oil reclaim capillary and link to each other with the compressor of compressed refrigerant.
Aforesaid air-conditioning memory wherein reclaims end capillaceous and said engine oil recovery holes on sustained height being deep into the described machine oil of memory inside.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
The present invention proposes a kind of air-conditioning memory by frame, and refrigerant-recovery pipe, machine oil reclaim capillary and constitute.Its mid frame forms profile, and the refrigerant-recovery pipe reclaims cold-producing medium, and machine oil reclaims capillary and reclaims machine oil.Machine oil recovery holes on the above-mentioned refrigerant-recovery pipe is established for the machine oil that reclaims above-mentioned memory downside.Said engine oil reclaims capillary and links to each other with the compressor of compressed refrigerant.The machine oil that is deep into memory inside reclaim end capillaceous with the sustained height of said engine oil recovery holes on.The advantage that has the air-conditioning memory of the present invention of said structure is to prevent the accumulation of machine oil, and ceaselessly provides machine oil to compressor reducer.
By technique scheme, air-conditioning memory of the present invention has following advantage at least:
1, air-conditioning memory of the present invention is the machine oil recovery capillary that is provided with the machine oil recovery of above-mentioned memory inside, therefore also machine oil after the meeting when the machine oil recovery holes of above-mentioned refrigerant-recovery pipe is stopped up by sewage in operation process can prevent that compressor is impaired.
2, air-conditioning memory of the present invention reclaims capillary because of set up machine oil in above-mentioned memory inside, so machine oil reclaims capillary and the machine oil recovery holes can reclaim machine oil simultaneously, so can play the effect that strengthens the machine oil yield.Promptly can prevent most compressors is piled up machine oil because of the inhomogeneous above-mentioned memory inside that takes place in cycle when operation phenomenon.And can prevent the damage of above-mentioned compressor constantly to above-mentioned compressor supply machine oil, promptly play the best use of of air-conditioning
3, air-conditioning memory of the present invention increase capillaceous because of said engine oil reclaims, can play when off-premises station that installs an air-conditioner and indoor set difference in height, effectively control than the comb of the design memory inside accumulation machine oil phenomenon that the cold-producing medium of the caused inside refrigerant amount during than design reason such as Duo causes that extends because of the comb of reality, thereby play the ideal effect that air-conditioning is braked because of off-premises station and indoor set.
In sum, the air-conditioning memory of special construction of the present invention, it can use machine oil recovery capillary and not allow machine oil be deposited in memory inside under the different situation of the operation period of a plurality of compressors, can be constantly to compressor supply machine oil.It has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it structurally or bigger improvement all arranged on the function, have large improvement technically, and produced handy and practical effect, and more existing air-conditioning memory has the multinomial effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is tradition existing " drag a many " type installation of air conditioners view.
Fig. 2 is the structural representation of tradition existing " one drag many " type air conditioner structure and cooling flow.
Fig. 3 is the oblique view of traditional existing air-conditioner outdoor unit outward appearance.
Fig. 4 is the exploded perspective view of traditional existing air-conditioner outdoor unit internal structure.
Fig. 5 is the simplified schematic diagram with the memory construction of traditional existing technology production.
Fig. 6 is that traditional existing air-conditioner outdoor unit is removed front panel inside front elevation afterwards.
Fig. 7 is " one drag many " of the present invention type installation of air conditioners view.
Fig. 8 is " one drag many " the of the present invention structure of type air-conditioning and structural representation of cooling flow.
Fig. 9 is the detailed structure schematic diagram of air-conditioner outdoor unit of the present invention.
Figure 10 is the oblique view of air-conditioner outdoor unit outward appearance of the present invention.
Figure 11 is the exploded perspective view of air-conditioner outdoor unit internal structure of the present invention.
Figure 12 is the simplified schematic diagram of memory construction of the present invention.
Figure 13 is that air-conditioner outdoor unit of the present invention is removed front panel inside front schematic view afterwards.
1: off-premises station 2: base panel
4: front panel 4 ': the front upper panel
4 ": front lower panel 4 " a: support of pipelines
6: central bracket 6 ': upper bracket
8: preceding square bearer 10: compressor
10 ': constant speed compressor 10 ": covert compressor
12: centrifugal oil separator 14: the valve brace table
15: frame 16: the refrigerant-recovery pipe
17: cold-producing medium supply pipe 18: the machine oil recovery holes
20: memory 22: control box
30: outdoor heat converter 30 ': the left side outdoor heat converter
30 ": right side outdoor heat converter 32: tube assembly
33: outlet is provided with receiver 34: the side grid
36: back grid 36 ': back, left side grid
36 ": back, right side grid 38: rear frame
38 ': back square bearer 40: top panel
40 ': passage 42: cover ring
44: output grid 46: blowing fan
48: fan electromotor 48 ': electric machine support
50: indoor set 60: indoor heat converter
70: expansion valve 80: high-voltage tube
90: low-voltage tube 100: off-premises station
102: outdoor electronics valve 110: base panel
112: front panel 114: front grid
116: front upper support 120: the constant speed compressor compressor
120 ': covert compressor
120a: refrigerant injection device 121: oil equalizing pipe
121 ': oil equalizing pipe temperature sensor 122: centrifugal oil separator
123: machine oil recovery tube 124: the four-way valve
126: valve brace table 128: auxiliary valve
130: the cold machine 130 of mistake ': reverse carrier pipe
130 ' a: cross cold expansion valve 131: drier
132: memory 132h: frame
133: refrigerant-recovery pipe 133h: machine oil recovery holes
133t: machine oil reclaims capillary 134: preceding square bearer
134 ': preceding square bearer 135: the cold-producing medium supply is closed
136: central frame 140: the left-hand operation case
140 ': east side operation case 142: voltage changer
144: capacitor 146: the thermal component plate
146 ': radiating part 148: heat emission fan
150: dividing plate 152: the air guide hole
154: the air guiding covers 160: top panel
162: passage 164: cover ring
166: output grid 170: blowing fan
172: fan electromotor 174: electric machine support
180: outdoor heat converter 182: the front heat exchanger
184: back heat exchanger 186: drip tray
188: side panel 190: the back grid
192: back faceplate panels 194: back upper bracket
196: back square bearer 200: indoor set
202: indoor heat converter 204: expansion valve
206: indoor electronics valve 210: common liquid line
210 ': branch's liquid line 210 ": outdoor liquid line
212: common air hose 212 ': branch's air hose
212 ": outdoor air pipe 214: high-low pressure is managed jointly
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of air-conditioning memory, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also Fig. 7 and shown in Figure 8, Fig. 7 is " one drag many " of the present invention type installation of air conditioners view, and Fig. 8 is " one drag many " the of the present invention structure of type air-conditioning and structural representation of cooling flow.Off-premises station 100 is by constant speed compressor 120, covert compressor 120 ', memory 132 and outdoor heat converter 180, outdoor electronics valve (LEV:linear expansion valve, hereinafter to be referred as ' outdoor LEV ') 102 compositions, and indoor set 200 is by indoor heat converter 202, expansion valve 204, indoor electronics valve (LEV:linear expansion valve, hereinafter to be referred as ' indoor LEV ') 206, form.
" one drag many " type air-conditioning connects a plurality of indoor sets 200 by the off-premises station more than one or two 100 and forms, and is connected with common air hose 212 by common liquid line 210 between off-premises station 100 and the indoor set 200.Common liquid line 210 refers to the single pipeline that liquid refrigerants pass through, and the common air hose 212 single pipeline that to be gas refrigerants pass through.In addition, the common pipe 214 of high-low pressure is installed between the plural off-premises station 100 and is kept the cold-producing medium equilibrium.
The inlet of the above-mentioned outdoor heat converter 180 of the common pipe 214 of above-mentioned high-low pressure by being mounted on a plurality of off-premises stations 100 makes the cold-producing medium between the off-premises station 100 keep equilibrium.And 180 li of the outdoor heat converters of the off-premises station 100 that allows cold-producing medium flow into equally to shut down, the overall thermal exchange efficiency is improved.Process of refrigerastion mesohigh cold-producing medium is by the common pipe 214 of high-low pressure, and the warm process low pressure refrigerant of system is by the common pipe 214 of high-low pressure.
On above-mentioned indoor set 200, be equipped with branch's liquid line 210 that liquid refrigerant passes through ' and public branch's air hose 212 of crossing of gas refrigerant ', this branch liquid line 210 ' with branch air hose 212 ' link to each other with common air hose 212 with above-mentioned common liquid line 210.
Above-mentioned a plurality of branches liquid line 210 ' and branch's air hose 212 ' along with its diameter of amount of capacity of the indoor set 200 that is attached thereto is different, and the flow of cold-producing medium that is supplied to indoor set 200 is along with above-mentioned indoor LEV206 changes.
The outdoor liquid line 210 that liquid refrigerant passes through " and gas refrigerant pass through outdoor air pipe 212 " is housed, and this outdoor liquid line 210 " with outdoor air pipe 212 " links to each other with common air hose 212 with above-mentioned common liquid line 210 on above-mentioned off-premises station 100.
See also Fig. 9 to shown in Figure 13, Fig. 9 is the detailed structure schematic diagram of air-conditioner outdoor unit of the present invention; Figure 10 is the oblique view of air-conditioner outdoor unit outward appearance of the present invention; Figure 11 is the exploded perspective view of air-conditioner outdoor unit internal structure of the present invention; Figure 12 is the simplified schematic diagram of memory construction of the present invention; Figure 13 is that air-conditioner outdoor unit of the present invention is removed front panel inside front schematic view afterwards.As shown in the figure, base panel 110 is installed in bottom, is supporting most parts, and the front end of this base panel 110 is the front panels 112 that form the front lower profile.
The upside of above-mentioned front panel 112 is front grids 114, after above-mentioned front grid 114 suction extraneous airs, is sent to outdoor heat converter 180 described below.In addition, the upside of above-mentioned front grid 114 is front upper supports 116, and this front upper support 116 links to each other with the fore-end of electric machine support 174 described below again.
On the above-mentioned base panel 110 compressor is housed, above-mentioned compressor 120,120 ' be the equipment that compressed refrigerant makes it to form HTHP, can install two or more a plurality of as required.
Above-mentioned compressor is installed in the left and right sides of holder 132, and generally speaking, the constant speed compressor 120 of constant speed drive is installed on the right side, the covert compressor 120 of left side installation speed change heat pump (Variable Speed Heat Pump) '.
Refrigerant injection device 120a is installed in the porch of above-mentioned compressor.The supply cold-producing medium prevented the damage of compressor when above-mentioned refrigerant injection device 120a will overheat condition occur when above-mentioned compressor turns round, and this cold-producing medium should be the cold-producing medium of discharging with outdoor heat converter 180 described below.
Above-mentioned constant speed compressor 120 and covert compressor 120 ' between oil equalizing pipe 121 be installed made constant speed compressor 120 and covert compressor 120 ' link to each other when fuel feeding deficiency situation appears in a compressor, another compressor can provide machine oil, prevents the compressor damage that causes because of low on fuel.
Above-mentioned compressor uses noise little, the screw compressor that efficient is outstanding.Especially a kind of covert screw compressor of adjusting its rotation number according to load of above-mentioned covert compressor 120 ' use.Therefore when minority indoor set 200 in running, load hour has only covert compressor 120 ' in running, when load increases gradually, by covert compressor 120 ' when not bearing load, above-mentioned constant speed compressor 120 just entrys into service.
Above-mentioned constant speed compressor 120 and covert compressor 120 ' the exit compressor output temperature sensor 120b, 120 ' b and centrifugal oil separator 122 are housed.Compressor output temperature sensor 120b, 120 ' b are the equipment of measuring the refrigerant temperature of compressor output, and above-mentioned centrifugal oil separator 122 is to reclaim a kind of equipment of giving compressor after isolating the machine oil that is blended in the cold-producing medium that compressor discharges.
That is, when machine oil was discharged outside the above-mentioned compressor along with cold-producing medium together, 122 machine oil that are blended in the cold-producing medium of centrifugal oil separator were sent in the compressor by machine oil recovery tube 123 after separating.Machine oil can make the compressor unison running, and can cool off the frictional heat that takes place when turning round.
The exit of above-mentioned centrifugal oil separator 122 installation check valve 122 ', prevent the adverse current of cold-producing medium.When above-mentioned constant speed compressor 120 or covert compressor 120 ' in have only a side in the running, prevent in the compressor of compressed refrigerant adverse current in static.
Above-mentioned centrifugal oil separator 122 links to each other with four-way valve 124 by pipeline.Above-mentioned four-way valve 124 is according to refrigeration, and a kind of equipment of refrigerant flow direction is adjusted in the warm running of system.Each port of four-way valve 124 respectively with the outlet or the centrifugal oil separator of compressor, the inlet of compressor or memory, outdoor heat converter 180 and indoor set 200 are connected.
Therefore, the cold-producing medium that above-mentioned constant speed compressor 120 and covert compressor 120 ' are discharged converges after one, flow into above-mentioned four-way valve 124.The inlet of this four-way valve be equipped with the high pressure sensor 124 of the refrigerant pressure that inspection discharged by compressor '.
In addition, hot gases tube 125 is passed above-mentioned four-way valve installation.It can directly be sent to a part that flows into the cold-producing medium of the above-mentioned four-way valve 124 in road from centrifugal oil separator 122 on the memory 132 described below.
Above-mentioned hot gases tube 125 is in the operation of air conditioner process, when needing to improve the pressure of the low pressure refrigerant that flows into memory 132, the high-pressure refrigerant at compressor outlet place directly is supplied to a kind of equipment at place, suction port of compressor.Return valve hot gases valve 125 ' the controlling switch of pipeline is housed on this hot gases tube 125.
The first half central authorities of above-mentioned base panel 110 are valve brace tables 126, and above-mentioned valve brace table 126 is supporting above-mentioned outdoor liquid line 210 ", outdoor air pipe 212 ", the common pipe 214 of high-low pressure.Auxiliary valve 128 also is installed in this.In addition, by the above-mentioned pipeline 210 of above-mentioned valve brace table 126 supports ", 212 ", 214 pipeline gateways 188 ' be connected with off-premises station 100 by side panel 188 described below.
The rear end, left side of above-mentioned base panel 110 was cold machines 130.The cold function of above-mentioned mistake is further cooled off the cold-producing medium that carried out heat exchange at outdoor heat converter 180.It is installed in above-mentioned outdoor liquid line 210 " arbitrary position on, and above-mentioned outdoor liquid line 210 " is connected with the exit of outdoor heat converter 180.
The cold machine 130 of above-mentioned mistake is made up of double pipe.Above-mentioned outdoor liquid line 210 " in the inboard, and the outside be reverse carrier pipe 130 '.Therefore the exit of the cold machine 130 of above-mentioned mistake begin be reverse carrier pipe 130 ', this reverse carrier pipe 130 ' on be equipped with by the cold expansion valve 130 ' a of the mistake of expansion cooling refrigeration agent.
Thus, the part cold-producing medium of discharging by the cold machine of above-mentioned mistake 130 flow into above-mentioned reverse carrier pipe 130 ', be cooled when crossing cold expansion valve 130 ' a, and the cold-producing medium adverse current that is cooled is to 130 li inboard cold-producing mediums of cooling of the cold machine of above-mentioned mistake.The adverse current cold-producing medium that flowed out cold machine 130 is supplied to memory 132 once more.
The liquid line temperature sensor 130a of mensuration by the refrigerant temperature of off-premises station 100 outputs is equipped with in the exit of the cold machine 130 of above-mentioned mistake; Cold inlet sensor 130 ' b was equipped with in the exit of the cold expansion valve 130 ' a of above-mentioned mistake, measured the temperature of the adverse current cold-producing medium that flowed into cold machine 130; The cold outlet sensor 130 ' c of above-mentioned reverse carrier pipe 130 ' be equipped with.
Cold-producing medium by outdoor heat converter 180 flows by middle body, outside then by the low-temperature refrigerant that is inflated when not indicating among the expansion valve figure with mobile in the other direction, the temperature of cold-producing medium is reduced more.
One side of the cold machine 130 of above-mentioned mistake promptly, makes the outdoor liquid line 210 of the refrigerant flow direction indoor set 200 of outdoor heat converter 180 output " a side drier 131, Drier are housed.The effect of above-mentioned drier 131 is to remove by above-mentioned outdoor liquid line 210 " refrigeration Ji in moisture.
In the central authorities of above-mentioned base panel 110, that is, above-mentioned constant speed compressor 120 and covert compressor 120 ' between memory 132 is installed.The effect of above-mentioned memory 132 is flowing in the cold-producing medium of above-mentioned memory 132 inside, only be supplied to gas refrigerant above-mentioned compressor and recovery to be deposited in the machine oil of above-mentioned memory 132 bottoms, being supplied to above-mentioned compressor.
See also shown in Figure 12ly, the profile of memory 132 is formed by columnar frame 132h, and the top that cold-producing medium supply pipe 135 penetrates into above-mentioned memory 132 extends to institute's measured length.This cold-producing medium supply pipe 135 will make the cold-producing medium of finishing heat exchange at indoor set 200 flow in the above-mentioned memory 132.
Then, refrigerant-recovery pipe 133 is installed in the bottom of above-mentioned memory 132, and it will be sent into the gas refrigerant that contains in the cold-producing medium of above-mentioned memory 132 inside in the compressor.Above-mentioned refrigerant-recovery pipe 133 penetrates into the bottom of above-mentioned memory 132 and upwards inserts, and for the gas refrigerant outside the inhalant liquid cryogen, it will extend to specific length.
One side of above-mentioned refrigerant-recovery pipe 133 has a machine oil recovery holes 133h, and it is established in order to reclaim the machine oil that is blended in the cold-producing medium that flows in the above-mentioned memory 132.In order to reclaim the machine oil that is deposited in bottom in the above-mentioned memory 132, said engine oil recovery holes 133h is located at above-mentioned refrigerant-recovery pipe 133 downsides that are inserted in above-mentioned memory 132 lower ends.
Above-mentioned refrigeration recovery tube 133 is corresponding with the number of above-mentioned compressor, and will form machine oil recovery holes 133h on each refrigeration recovery tube 133 this moment.In addition, also can be inserted into memory 132 inside to refrigerant-recovery pipe 133 with a pipeline using under the situation of a plurality of compressors, branch outside connects to each compressor then.
One side of above-mentioned memory 132 is that machine oil reclaims capillary 133t, and the side that it runs through memory 132 is inserted into memory 132 inside.The effect that machine oil reclaims capillary 133t is to reclaim to amass at the machine oil of above-mentioned memory 132 bottoms.
The machine oil that is inserted into first memory 132 inside reclaims capillary 133t and reflects " " form to extend to the bottom of above-mentioned memory 132.The end of said engine oil recovery this moment capillary 133t is consistent with the height of the machine oil recovery holes 133h of refrigeration Ji recovery tube 133 1 sides.
It is corresponding with the number of above-mentioned compressor that said engine oil reclaims capillary 133t, can distribute to each compressor after the machine oil recovery capillary 133t branch as required.
In addition, the side that said engine oil reclaims capillary 133t links to each other with above-mentioned memory 132, and opposite side links to each other with above-mentioned compressor or refrigeration recovery tube 133, to above-mentioned compressor supply machine oil.And can allow said engine oil recovery capillary 133t link to each other as required with oil equalizing pipe 121, reach the machine oil balance purpose between the above-mentioned compressor.
After above-mentioned memory 132 is separated machine oil and liquid refrigerant, only allow gas refrigerant flow into above-mentioned compressor.That is, when the liquid refrigerant the cold-producing medium that flows into from above-mentioned indoor set 200 was fed directly to above-mentioned compressor, compressor need become them the gas refrigerant of HTHP, so can increase load to compressor, will damage compressor.
Therefore the cold-producing medium that flow into liquid condition in the cold-producing medium of above-mentioned memory 132 inside is heavier comparatively speaking than gas refrigerant, therefore can have the bottom of memory 132, and the gas refrigerant on top will flow in the above-mentioned compressor.The porch of above-mentioned memory 132 be installed with the intake line temperature sensor 132 that measure to suck refrigerant temperature ' and check the low pressure sensor 132 of the pressure of cold-producing medium ".
The front end both sides of above-mentioned base panel 110 be preceding square bearer 134,134 '.Square bearer 134,134 ' press above-below direction prolongs before above-mentioned, and wherein, on the left of being installed in is left forward side framework 134, be installed in the right side be right forward side framework 134 '.
The above-mentioned front upper support 116 of square bearer 134,134 ' supporting before above-mentioned, front grid 114 and the control box 140,140 that will introduce below '.In addition, above-mentioned left forward side framework 134 and right forward side framework 134 ' central authorities are central frame 136.
The bottom of above-mentioned central frame 136 be control box 140,140 ', be installed in the left and right sides.The left side be left-hand operation case 140, the right side be east side operation case 140 '.Above-mentioned left-hand operation case 140 is fixed by above-mentioned left forward side framework 134 hinges, and above-mentioned east side operation case 140 ' fix by above-mentioned right forward side framework 134 ' hinge.
Aforesaid operations case 140,140 ' shape be the huge case that is opening mouthful the front, and the place ahead is being protected by above-mentioned front panel 112.Control assembly and thermal component plates 146 such as voltage changer 142 and capacitor 144 are arranged on the above-mentioned left-hand operation case 140.
The rear of above-mentioned thermal component plate 146 be the radiating part 146 that forms by fin '.In addition, the rear of above-mentioned left-hand operation case 140 upper end is a heat emission fan 148, and this heat emission fan 148 is made up of cross flow fan.Therefore above-mentioned heat emission fan 148 sucks when upwards discharging after the air, will promote above-mentioned radiating part 146 ' heat exchange, reach the purpose of cooling heat dissipation component plate 146.
Aforesaid operations case 140,140 ' side all by square bearer 134,134 ' hinge 140a before above-mentioned, 140 ' a installs, can be with this hinge 140a, 140 ' a is the rotation of axial the place ahead.When internal part needs after-sale service, can under this state, carry out maintenance work to aforesaid operations case 140,140 ' rotation forwards.On the above-mentioned central frame 136 dividing plate 150 is installed, it is divided into upside space and lower side space to above-mentioned off-premises station 100 inside.Above-mentioned compressor 120,120 ' and control box 140,140 ' and outdoor heat converter 180 is arranged on the upside space is arranged on the lower side space.
The free gas guide hole 152 of the horizontal part 150 of the left side dividing plate 150 of aforementioned barriers 150 ' upward, and this air guide hole 152 above be that the air guiding covers 154.The guiding of above-mentioned air is covered 154 the place ahead and top and is sealed, and is opening at the rear.Therefore the air of forcing to send into from above-mentioned heat emission fan 148 will enter from the rear.
The top outward appearance of above-mentioned off-premises station 100 is to be formed by top panel 160.Above-mentioned top panel 160 is rectangular flats, is each side having one.There are passage 162 passages 162 to prolong to form on this top panel 160 downwards and cover ring 164.The above-mentioned ring 164 that covers forms one with above-mentioned top panel 160, covers ring material and should select plastics.
Above-mentioned to cover 164 one-tenths on ring cylindric, and it will be discharged the air of being sent into by blowing fan 170 pressures outward.In addition, be installed with on the above-mentioned passage 162 and passage 162 corresponding circular output grids 166.
The above-mentioned inboard of covering ring 164 is fan electromotor 172 rotations of blowing fan 170 said fan 170 according to the bottom, and inner air is discharged to the top.After fan electromotor 172 is received power supply, produce revolving force, be fixed on the and then rotation of said fan 170 of fan electromotor 172 rotating shafts one end this moment, upward air row.
Said fans motor 172 is fixing by electric machine support 174.Above-mentioned electric machine support 174 by the fixed head 174 of rectangular flat ' and support this fixed head 174 ' brace table 174 " form.The central authorities that above-mentioned brace table 174 " is each side having one, and fixed head 174 ' be installed in this to brace table 174 ".And above-mentioned brace table 174 " leading portion and the rear end to complications, be fixed on above-mentioned front upper support 116 and the back upper bracket 194.
The bottom of above-mentioned top panel 160 is outdoor heat converters 180.Above-mentioned outdoor heat converter can make by carrying out heat exchange between the cold-producing medium of inside and the extraneous air.Outdoor heat converter 180 is by front heat exchanger 182 Hes of the front bottom end that is installed in above-mentioned top panel 160, and the back heat exchanger 184 that is installed in the bottom, rear end of above-mentioned top panel 160 is formed.
The Lower Half of above-mentioned front heat exchanger 182 is tortuous backward, i.e. the vertical component effect 182 that down elongates from the front end of above-mentioned front panel 112 ' and from the safety of this vertical component effect 182 ' backward " composition of decide rake 182 that angle tilts.Then above-mentioned rake 182 " the lower end link to each other with the lower end of above-mentioned back heat exchanger 184.The lower end of this outdoor heat converter 180 will with base panel 110 across certain distance.In addition, the side of above-mentioned outdoor heat converter 180 be tube assembly 180 ', it will give each parts to the cold-producing medium of above-mentioned compressor 120,120 ' supply.
The heat-exchanger temperature sensor 180a that measures heat exchanger temperature is equipped with in the inside of above-mentioned outdoor heat converter 180, and the outdoor temperature sensor 180b that measures external temperature is equipped with in the outside.
The bottom, lower end of above-mentioned outdoor heat converter 180 is drip trays 186.Above-mentioned drip tray 186 is discharged after the condensed water that forms on above-mentioned outdoor heat converter 180 is collected.
The left side and the right side of above-mentioned base panel 110 tops are side panel 188.Above-mentioned side panel 188 forms the side outward appearance of off-premises stations 100, its lower end be pipeline access hole 188 ', front and back respectively have one.
The rear end of above-mentioned base panel 110 is back grids 190, and the size of above-mentioned back grid 190 is big or small corresponding with above-mentioned back heat exchanger 184.The bottom of this back grid 190 is back faceplate panels 192.
The upper end of above-mentioned back grid 190 is back upper bracket 194.Above-mentioned back upper bracket 194 is supporting electric machine support 174 brace tables 174 in the front, upper end of above-mentioned back grid 190 " the rear end.
In addition, the corner, rear end of above-mentioned base panel 110 is back square bearers 196.Above-mentioned back square bearer 196 is supporting above-mentioned back grid 190 and back faceplate panels 192 and top panel 160 with upper and lower to prolongation.
Below to the effect of " one drag many " of the present invention type air-conditioning according to Fig. 8 to 13 explanation.
Air-conditioning of the present invention connects a plurality of indoor sets 200 by an off-premises station 100 and forms, and according to user's selection a part or all indoor sets 200 is all turned round.
When air-conditioning running process of refrigerastion, above-mentioned outdoor LEV102 will be opened, and cold-producing medium flows between off-premises station 100 and indoor set 200.At this moment, cold-producing medium changes according to indoor LEV206, and the indoor LEV206 of the indoor set 200 that is not used will close.
At first, the flow of refrigerant situation of off-premises station 100 is as follows.The gas refrigerant that flows into from indoor set 200 is by entering on the above-mentioned memory 132 after the above-mentioned four-way valve 124.The gas refrigerator flows in the compressor by the above-mentioned refrigerant-recovery pipe that extends to memory 132 tops again.
After gas refrigerant was separated, above-mentioned memory 132 interior lower end had converged liquid refrigerant and machine oil.Part machine oil will be fed to above-mentioned compressor part machine oil by the said engine oil recovery holes 133h of above-mentioned refrigeration recovery tube 133 1 sides and be supplied to above-mentioned compressor by the recovery of the machine oil on the above-mentioned memory 132 capillary 133t.
Therefore the above-mentioned compressor frequency sharply rises, even flow into a large amount of machine oil to memory 132, machine oil can just not reclaim capillary 133t constantly to each compressor supply machine oil by said engine oil recovery holes 133h and said engine oil above-mentioned memory 132 inner accumulations yet.
In addition, under-supply when to above-mentioned compressor, perhaps during overheat of compressor, above-mentioned refrigerant injection device 120a will supply cold-producing medium.
Enter afterwards centrifugal oil separator 122 through the compressed cold-producing medium of above-mentioned compressor by delivery outlet.Above-mentioned centrifugal oil separator 122 is the machine oil after separating that contains in the cold-producing medium, by said engine oil recovery tube 123 reclaim give other compressors 120 ', 120.
Can mix some machine oil in the cold-producing medium when cold-producing medium is compressed in above-mentioned compressor, this machine oil is liquid condition and cold-producing medium makes gaseous state, therefore separates for 122 li at the centrifugal oil separator that the air liquid centrifugation is arranged.
By connect above-mentioned constant speed compressor 120 and covert compressor 120 ' oil equalizing pipe 121, the machine oil of compressor inside, both sides will be kept equilibrium.
When the machine oil of above-mentioned constant speed compressor 120 is on the high side, machine oil will by above-mentioned oil equalizing pipe 121 send into covert compressor 120 ', keep the balance of machine oil.
Cold-producing medium by above-mentioned centrifugal oil separator 122 flow into above-mentioned outdoor heat converter 180 through above-mentioned four-way valve 124.Above-mentioned outdoor heat converter 180 plays in the condenser effect process of refrigerastion, so cold-producing medium and extraneous air carry out after the heat exchange liquid refrigerants such as cooling.To further be cooled during through the cold-producing medium of above-mentioned outdoor heat converter 180 by the cold machine 130 of above-mentioned mistake.Cold-producing medium after the cooling is removed after the moisture through drier, flow into indoor set 200 by above-mentioned common liquid line 210.In addition, will flow into other off-premises station 100 by the common pipe 214 of above-mentioned high-low pressure by a part in the cold-producing medium of above-mentioned compressor.
Be supplied to the cold-producing medium of other off-premises stations 100 will flow into the outdoor heat converter 180 of the off-premises station that decommissions by the common pipe 214 of above-mentioned high-low pressure, make whole refrigerant pressure obtain equilibrium, and can make the outdoor heat converter 180 of the off-premises station 100 that decommissions that certain heat exchange takes place.
When the indoor set 200 supply cold-producing mediums, each indoor set 200 of branch's liquid line 210 that will be by common liquid line 210 ' in running is supplied cold-producing mediums by common liquid line 210.Heat exchange is carried out in the decompression during by above-mentioned expansion valve 204 of these cold-producing mediums during by indoor heat converter 202.At this moment above-mentioned indoor heat converter 202 plays a part evaporimeter, so cold-producing medium is by becoming low-pressure gas after the heat exchange.
The cold-producing medium that above-mentioned indoor heat converter 202 is discharged after above-mentioned common air hose 212, flow into above-mentioned off-premises station 100 by above-mentioned branch air hose 212 ' remittance." cold-producing medium that flows into off-premises station 100 enters memory 132 by four-way valve 124 by above-mentioned common air hose 212 and outdoor air pipe 212.
Above-mentioned memory 132 is isolated from cold-producing medium after the cold-producing medium of gaseous state, is fed to above-mentioned compressor by refrigerant-recovery pipe 133.The machine oil of staying memory 132 inside will be supplied to above-mentioned compressor by the machine oil recovery holes 133h and the machine oil recovery capillary 133t of above-mentioned refrigerant-recovery pipe 133 1 sides.
By above process, finish a circulation.
In the warm process of system, cold-producing medium is by flowing in the other direction, and the indoor LEV206 of above-mentioned indoor set 200 will open, by the amount of outdoor LEV102 regulation and control cold-producing medium.
The air mobility status of above-mentioned off-premises station 100 is as follows.Along with the access of power supply, 172 entrys into service of said fans motor drive blowing fan 170 runnings simultaneously.When said fan 170 rotations, air outside flow into inside by above-mentioned front grid 114 and back grid 190.
Heat exchange takes place during by above-mentioned outdoor heat converter 180 in the air that flow into above-mentioned off-premises station 100.Air outside is accepted heat from above-mentioned outdoor heat converter 180 during the operation of air conditioner refrigerating operation, becomes pressure-air, and in the warm process of system, loses heat, becomes low-pressure air.
Air by above-mentioned outdoor heat converter 180 is forced to deliver to the top by said fan 170, exports outward by covering ring.
Scope of the present invention is not considered as being limited by the foregoing description, and in above-mentioned technical scope, general technology person of the same trade may work out other forms of similar thing based on the present invention.
For example, introduce in an embodiment of the present invention, said engine oil reclaims capillary 133t and links to each other with compressor, thus the machine oil of memory 132 inside is supplied to above-mentioned compressor.Yet, also can reclaim capillary 133t to said engine oil and link to each other with oil equalizing pipe 121, thus the machine oil in the memory 132 is distributed to each compressor by oil equalizing pipe 121.
The technological innovation of the air-conditioning memory of the present invention that above-mentioned structure like this constitutes all has many saving graces for technical staff of the same trade now, and the progressive that possesses skills really.
As mentioned above, be basic design of the present invention.But, in technical field of the present invention,, can improve other exercisable embodiment of the present invention as long as possess the most basic knowledge.In the present invention substantive technical scheme has been proposed the patent protection request, its protection domain should comprise all variation patterns with above-mentioned technical characterstic.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (4)
1, a kind of air-conditioning memory is characterized in that it is by frame; The refrigerant-recovery pipe; Machine oil reclaims capillary and constitutes, and its mid frame forms profile; The refrigerant-recovery pipe reclaims cold-producing medium, and machine oil reclaims capillary and reclaims machine oil.
2, air-conditioning memory according to claim 1 is characterized in that the machine oil recovery holes of wherein said refrigerant-recovery pipe one side reclaims the machine oil of above-mentioned memory downside.
3, air-conditioning memory according to claim 1 is characterized in that wherein said machine oil reclaims capillary and links to each other with the compressor of compressed refrigerant.
4,, it is characterized in that wherein reclaiming end capillaceous and said engine oil recovery holes on sustained height being deep into the described machine oil of memory inside according to claim 1 or 3 described air-conditioning memories.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410055136 CN1734218A (en) | 2004-08-09 | 2004-08-09 | Accumulator for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410055136 CN1734218A (en) | 2004-08-09 | 2004-08-09 | Accumulator for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1734218A true CN1734218A (en) | 2006-02-15 |
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ID=36076747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410055136 Pending CN1734218A (en) | 2004-08-09 | 2004-08-09 | Accumulator for air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN1734218A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737331A (en) * | 2008-11-10 | 2010-06-16 | 上海日立电器有限公司 | Integral structure of liquid reservoir and oil separator of compressor |
| CN101737329A (en) * | 2008-11-10 | 2010-06-16 | 上海日立电器有限公司 | Compact structure of liquid reservoir and oil separator of compressor |
| CN111765528A (en) * | 2020-05-19 | 2020-10-13 | 海信（山东）空调有限公司 | Air conditioner system |
-
2004
- 2004-08-09 CN CN 200410055136 patent/CN1734218A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737331A (en) * | 2008-11-10 | 2010-06-16 | 上海日立电器有限公司 | Integral structure of liquid reservoir and oil separator of compressor |
| CN101737329A (en) * | 2008-11-10 | 2010-06-16 | 上海日立电器有限公司 | Compact structure of liquid reservoir and oil separator of compressor |
| CN101737329B (en) * | 2008-11-10 | 2013-08-28 | 上海日立电器有限公司 | Compact structure of liquid reservoir and oil separator of compressor |
| CN101737331B (en) * | 2008-11-10 | 2013-08-28 | 上海日立电器有限公司 | Integral structure of liquid reservoir and oil separator of compressor |
| CN111765528A (en) * | 2020-05-19 | 2020-10-13 | 海信（山东）空调有限公司 | Air conditioner system |
| CN111765528B (en) * | 2020-05-19 | 2022-05-20 | 海信（山东）空调有限公司 | Air conditioner system |
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