CN1752671A - Oil distributor structure for air conditioner - Google Patents
Oil distributor structure for air conditioner Download PDFInfo
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- CN1752671A CN1752671A CN 200410072125 CN200410072125A CN1752671A CN 1752671 A CN1752671 A CN 1752671A CN 200410072125 CN200410072125 CN 200410072125 CN 200410072125 A CN200410072125 A CN 200410072125A CN 1752671 A CN1752671 A CN 1752671A
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Abstract
The present invention discloses an oil separator structure of air conditioner. It includes external shell for forming its appearance, screen sieve for filtering lubricating oil in the refrigerant and oil-separating fan for separating lubricating oil from refrigerant by utilizing centrifugal separation action. The upper and lower sides of screen sieve are respectively equipped with upper plate and lower plate for supporting screen sieve. The oil-separating fan includes circular rotating plate and rotating rib formed on one face of said rotating plate. On the side face of external shell a refrigerant inlet tube of mixed fluid containing refrigerant and lubricating oil is formed, on the upper end of the external shell a refrigerant discharge tube for discharging refrigerant is formed, and on the lower end of the external shell a return oil tube for discharging separated lubricating oil is formed, and end portion of refrigerant inlet tube is inclined towards one side.
Description
Technical field
The present invention relates to a kind of air-conditioning,, reclaim the oil distributor structure of the air-conditioning of lubricating oil especially by mesh screen and centrifugation.
Background technology
Air-conditioning is to carry out heat exchange with the low temperature refrigerant behind the interior hot-air of a kind of suction chamber, and heat-exchanged air is arranged to indoor equipment.Air-conditioning freezes to indoor by carrying out said process repeatedly, perhaps by carrying out the operation heating room air opposite with said process.Air-conditioning is made up of compressor-condenser-expansion valve-evaporimeter, forms the refrigerating/heating loop.
The air-conditioning of additional functions such as air filtration and dehumidifying has also appearred having on the market recently.This air-conditioning can filter behind outdoor suction room air, discharges clean air; After also can sucking humid air, dehumidify, discharge dry air.
As everyone knows, air-conditioning can be divided into a branch bodily form air-conditioning and a bodily form air-conditioning substantially.Divide the indoor set and the off-premises station of bodily form air-conditioning separate, and be arranged at indoor and outdoors respectively.The indoor set of one bodily form air-conditioning and off-premises station form one.
Recently, in one family, need to be provided with more than two air-conditioning or when having that every office all needs air-conditioning is set in the building of office between many, central air-conditioning is set usually.Described central air-conditioning connects several indoor sets on an off-premises station, its effect is identical with the effect that several indoor sets are set.
As shown in Figure 1, 2, traditional central air-conditioning off-premises station 1 is made up of compressor 10, storage tank 20 and outdoor heat converter 30.Indoor set 50 is made up of indoor heat converter 60 and expansion valve 70 etc.
In the described central air-conditioning, be connected with several indoor sets 50 on the off-premises station 1.Be provided with the lower low-voltage tube 90 of built-in pressure ratio higher high-voltage tube 80 and internal pressure between off-premises station 1 and the indoor set 50.
Air-conditioning with said structure, when freezing operation, the outdoor heat converter 30 of off-premises station 1 is as condenser working, allows the HTHP gaseous coolant generation condensation of compressor 10 supplies.When the refrigerant of condensation is flowed through expansion valve 70, be inflated into the gaseous state of low-temp low-pressure, flow to indoor heat converter 60.
Along with carrying out heat exchange with room air, the refrigerant of inflow indoor heat exchanger 60, the two-phase refrigerant that is transformed into the gas-liquid of low-temp low-pressure gradually and deposits.This refrigerant flows to compressor 10 after flowing through storage tank 20 again, finishes a kind of refrigeration cycle of refrigerant thus.
Below, the effect of heating of air-conditioning is described: when heating, the flow direction of refrigerant and the effect of the heat exchanger situation when freezing is opposite.That is, the refrigerant of compressor 10 compression press storage tank 20-〉outdoor heat converter 60-〉expansion valve 70-〉order of outdoor heat converter 30 is mobile.Indoor heat converter 60 allows and flows through its inner HTHP refrigerant and room air carries out heat exchange, plays the condenser effect.Outdoor heat converter 30 allows its inner low-temp low-pressure refrigerant and outdoor air carry out heat exchange, plays the evaporimeter effect.
Shown in Fig. 3～6, conventional outdoor unit 1 below is formed with chassis 2, and a plurality of parts are installed on the chassis 2.The front end on chassis 2 is provided with the front panel 4 that forms front appearance.Front panel 4 is by the positive lower panel 4 of the front upper panel 4 ' and the downside of upside " form.
Positive lower panel 4 " on, be provided with pipe arrangement support 4 " a, promptly positive lower panel 4 " the bottom be cut open a part, and with pipe arrangement support 4 " part of a sealing incision.Pipe arrangement support 4 " high-voltage tube 80 and low-voltage tube 90 are set among a, allow them be communicated with indoor set 50.
Front upper panel 4 ' and positive lower panel 4 " between be provided with central bracket 6, play guiding installation effect.The upper end of front upper panel 4 ' also is provided with upper bracket 6 ', and upper bracket 6 ' goes up the front end of assembling motor seat 48 '.
The left and right sides side of front panel 4, promptly the front end left and right sides bight on chassis 2 is provided with preceding square bearer 8.Preceding square bearer 8 is pressed the long formation longways of above-below direction, and front panel 4 and side grid 34 are supported.
One side of compressor 10 is respectively equipped with separator 12.Separator 12 separates lubricating oil from the refrigerant that compressor 10 is discharged, reclaimed by compressor 10.
As shown in Figure 5, separator 12 has cylindrical housing 12a.Shell 12a inside is provided with mesh screen (mesh) 12b.The upper and lower of mesh screen 12b is provided with upper plate 12c and the lower plate 12d that supports mesh screen 12b.When refrigerant that the bottom by shell 12a flows into and lubricating oil flow through mesh screen 12b, lubricating oil was trapped, and gaseous coolant is discharged from by the upper end of shell 12a.The lubricating oil of being held back by mesh screen 12b confluxes in the interior lower end of shell 12a, can flow back to compressor 10 again.
2 left side rearward end is provided with valve brace table 14 by certain altitude on the chassis.The upper end of valve brace table 14 is respectively equipped with fills low temperature valve 16.
The central portion on chassis 2, i.e. constant speed compressor 10 ' and variable speed compressor 10 " between, storage tank 20 be provided with.Storage tank 20 is held back liquid refrigerants, only allows gaseous coolant flow into compressor 10.
The upside of compressor 10 is provided with control cabinet 22.Though diagram in control cabinet 22, is not provided with control assembly and circuit boards such as transformer and electric capacity.Control cabinet 22 has the shape of the open cuboid carton in the place ahead, and its front is provided with the control part cover 22 ' in closed interior space.
The side end on chassis 2 and rearward end are provided with outdoor heat converter 30.Outdoor heat converter 30 allows and is flowing in its inner refrigerant and extraneous air carries out heat exchange, and Cheng Shuan is located at left and right sides.Promptly the left side is provided with " " shape (when overlooking) left side outdoor heat converter 30 ', and the right side is provided with " " shape right side heat exchanger 30 ".The inlet of outdoor heat converter 30 is provided with the body assembly 32 that the water conservancy diversion refrigerant flows into, and outlet is provided with receiver 33.
The left-hand end on chassis 2 and right-hand end are provided with side grid 34, and the rear end is provided with back side grid 36.The quantity of back side grid 36 is a pair of, and is corresponding with outdoor heat converter 30.Be back side grid 36 by the back side, the left side grid 36 ' and the right side heat exchanger 30 that are arranged on outdoor heat converter 30 ' rear, left side " back side, the right side grid 36 at rear " form.
Left side back side grid 36 ' and the back side, right side grid 36 " between be provided with the fixedly back side framework 38 of back side grid 36.The left and right sides bight, rear end of base 2 is formed with back square bearer 38 ' respectively.
The end face outward appearance of off-premises station 1 is formed by top panel 40.Top panel 40 has the rectangular flat shape corresponding with chassis 2, and the left and right sides of the heart is formed with a pair of passage 40 ' therein.
The end face of passage 40 ' is provided with flow-guiding mouth 42.Flow-guiding mouth 42 has the drum that projects upwards, the air stream that water conservancy diversion is discharged by blowing fan 46.The top of flow-guiding mouth 42 is provided with discharges grid 44.
The inboard of flow-guiding mouth 42 is provided with blowing fan 46.Blowing fan 46 is rotated under fan electromotor 48 effects of bottom, plays the effect of discharging air.Fan motor 48 is arranged on the motor cabinet 48 '.
But there are the following problems to have traditional air-conditioning of said structure: though the separator 12 of off-premises station utilizes inner mesh screen 12b filtering lubricant oil, during only with mesh screen 12b separation lubricating oil, can't separate lubricating oil fully.Therefore, still contain lubricating oil in the refrigerant, indoor set 50 circulation times, initiation will be the problem of compressor 10 make-up oils.
Summary of the invention
Technical problem to be solved by this invention is, a kind of air-conditioning oil distributor structure is provided, and utilizes mesh screen to separate lubricating oil, and by centrifugation, lubricating oil further separated.
For the technical solution problem, the technical solution used in the present invention is: a kind of oil distributor structure of air-conditioning, the air-conditioning oil distributor structure shell that comprises the outward appearance that forms separator is used for filtering the mesh screen of the lubricating oil of refrigerant, utilizes centrifugation to separate the branch oil fan of refrigerant and lubricating oil.
Upper and lower sides at mesh screen is respectively equipped with upper plate and the lower plate that supports mesh screen.
The described rotation rib that divides the oil fan to comprise circular flap and be formed on the flap one side.
Be formed with the refrigerant inflow pipe of the fluid-mixing that flows into refrigerant and lubricating oil in the side of shell; The upper end of shell forms the refrigerant discharge pipe of discharging refrigerant; The lower end of shell is formed with the oil return pipe of discharging separated lubricating oil.
The end of described refrigerant inflow pipe is to lopsidedness.
The invention has the beneficial effects as follows: can improve the lubricating oil rate of recovery, improve the efficient of air-conditioning.
Description of drawings
Fig. 1 is provided with view for traditional central air-conditioning.
Fig. 2 is the block diagram of conventional central air conditioner structure and refrigerant flow regime.
Fig. 3 is the schematic appearance of traditional air-conditioner outdoor unit.
Fig. 4 is the decomposing schematic representation of traditional air-conditioner outdoor unit.
Fig. 5 is that the part of the oil distributor structure of conventional art is cut schematic diagram.
Fig. 6 is the internal structure front elevation behind the dismounting front panel of traditional air-conditioner outdoor unit.
Fig. 7 is provided with view for air-conditioning of the present invention.
Fig. 8 is the block diagram of central air-conditioning structure of the present invention and refrigerant flow regime.
Fig. 9 is the pie graph of the air-conditioner outdoor unit of the embodiment of the invention.
Figure 10 is the air-conditioner outdoor unit schematic appearance of inventive embodiments.
Figure 11 is the air-conditioner outdoor unit internal structure decomposing schematic representation of the embodiment of the invention.
Figure 12 partly cuts schematic diagram for an embodiment of air-conditioning oil distributor structure of the present invention.
Figure 13 is A-A ' the portion profile of Figure 12.
Figure 14 is the internal structure front elevation behind the dismounting front panel of air-conditioner outdoor unit of the present invention.
Among the figure:
100: off-premises station 102: outdoor linear expansion valve
110: chassis 112: front panel
114: front grid 116: the front upper support
120: constant speed compressor 120 ': variable speed compressor
120a: coolant injection device 121: even oil pipe
121 ': even oil pipe temperature sensor 122: separator
122a: shell 122b: mesh screen
122c: upper plate 122d: lower plate
123: oil return pipe 124: four-way valve
126: valve brace table 128: fill low temperature valve
130: supercooling machine 130 ': the loopback pipe
130 ' a: supercooling expansion valve 132: storage tank
134,134 ': front-side frame 136: central frame
140: left side control cabinet 140 ': the right side control cabinet
142: transformer 144: electric capacity
146: heater element plate 150: baffle plate
152: air conducting hole 154: the air conducting cover
160: top panel 162: passage
164: flow-guiding mouth 166: discharge grid
170: blowing fan 172: motor
174: motor cabinet 180: outdoor heat converter
182: front heat exchanger 184: back side heat exchanger
186: drain pan 188: side panel
190: back side grid 192: back panel
194: upper rear portion support 196: the back square bearer
200: indoor set 210: common liquid pipe
210 ': branch's liquid pipe 210 ": outdoor liquid pipe
212: common tracheae 212 ': divide bronchus
212 ": outdoor tracheae 214: high-low pressure is managed jointly
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Shown in Fig. 7,8, the off-premises station 100 of central air-conditioning of the present invention is by constant speed compressor 120, variable speed compressor 120 ', storage tank 132, outdoor heat converter 180 and outdoor linear expansion valve 102 compositions such as (LEV:linear expansion valve abbreviate outdoor LEV below as).Indoor set 200 is made up of indoor heat converter 202, expansion valve 204 etc.
In the central air-conditioning, on one or more off-premises station 100, connecting a plurality of indoor sets 200.Be provided with between off-premises station 100 and the indoor set 200 as the common liquid pipe 210 of single pipe arrangement and as the common tracheae 212 of single pipe arrangement.The liquid refrigerants that flowing in the common liquid pipe 210, and gaseous coolant in common tracheae 220 internal flows.In order to keep the equilibrium of refrigerant, be provided with the common pipe 214 of the high-low pressure that is communicated with each off-premises station between the plural off-premises station 100.
The common pipe 214 of high-low pressure is communicated with the inlet of each outdoor heat converter 180 of many off-premises stations 100, can keep off-premises station 100 refrigerant equilibrium each other.Thereby allow same obsolete off-premises station 100 heat exchangers 180 that flow in many off-premises stations 100 of refrigerant, can improve the overall thermal exchange efficiency.The common pipe of high-low pressure 214 inside are by freezing or heating flow high pressure or low pressure refrigerant.
Be respectively equipped with the branch's liquid pipe 210 ' of the liquid refrigerants that flows and the branch bronchus 212 ' of mobile gaseous coolant on the indoor set 200.Branch's liquid pipe 210 ' and branch bronchus 212 ' are communicated with common liquid pipe 210 and common tracheae 212.
Many branch's liquid pipes 210 ' and divide the diameter of bronchus 212 ' have nothing in common with each other by indoor set 200 capacity that connect.
Off-premises station 100 is formed with the outdoor liquid pipe 210 of the liquid refrigerants that flows " and the outdoor tracheae 212 of mobile gaseous coolant ".Outdoor liquid pipe 210 " and outdoor tracheae 212 " be communicated with common liquid pipe 210 and common tracheae 212.
Shown in Fig. 9～14, in the central air-conditioning off-premises station, the chassis 110 that forms the bottom surface is arranged on bottom, supports various parts.The front end on chassis 110 is provided with the front panel 112 that forms positive basifacial outward appearance.
The upside of front panel 112 is provided with front grid 114.Suck extraneous air by front grid 114, and allow air pass through outdoor heat converter 180.The upside of front grid 114 also is provided with front upper support 116.And the below of front upper support 116, the leading section of assembling motor seat 174.
The end face on chassis 110 is provided with compressor 120,120 '.Compressor 120,120 ' is compressed into high-temperature high-pressure state to refrigerant, and compressor is separately positioned on the left and right sides.Be that the right side is provided with the constant constant speed compressor of rotating speed 120, the left side is provided with the variable speed compressor 120 ' as variable-ratio heat pump (Variable Speed Heat Pump).
As shown in Figure 9, compressor 120,120 ' entrance side are provided with coolant injection device 120a.Coolant injection device 120a presses compressor 120,120 ' operation conditions, if superheating phenomenon then prevents the damage of compressor by the supply refrigerant.Refrigerant used herein is the refrigerant of discharging from following outdoor heat converter 180.
Be provided with even oil pipe 121 between constant speed compressor 120 and the variable speed compressor 120 ', be communicated with constant speed compressor 120 and variable speed compressor 120 '.If a certain side compressor fuel feeding occurs and lacks phenomenon, then can prevent that lubricating oil lacks compressor 120, the 120 ' damage that brings by even oil pipe 121 additional lubricating oil from other compressors.
Compressor 120,120 ' uses the turbo-compressor that noise is low, efficient is high usually.Variable speed compressor 120 ' is by bearing power, regulates the variable speed turbine compressor of its rotating speed.Use minority indoor set 200, under the low state of bearing power, at first can start variable speed compressor 120 '.If bearing power increases gradually, can't carry out required operation with variable speed compressor 120 ', then start constant speed compressor 120.
The outlet side of constant speed compressor 120 and variable speed compressor 120 ' is respectively equipped with compressor discharge temperature sensor 120b, 120 ' b and separator 122.Compressor discharge temperature sensor 120b, 120 ' b are used to detect compressor 120, the 120 ' refrigerant temperature of discharging.Separator 122 separates lubricating oil from compressor 120, the 120 ' refrigerant of discharging, allow compressor 120,120 ' reclaim.
When being compressor 120,120 ' work, can produce frictional heat, cause temperature to rise.Therefore, utilize the lubricating oil cooling compressor.Part in the lubricating oil can be discharged from by compressor 120,120 ' outlet with refrigerant.Separator 122 the lubricating oil separation in the refrigerant after, allow compressor 120,120 ' reclaim by oil return pipe 123.
As shown in figure 12, the outward appearance of separator 122 is formed by shell 122a.The inside of shell 122a is provided with mesh screen 122b.The top and the bottom of mesh screen 122b are provided with upper plate 122c and lower plate 122d, support mesh screen 122b.Downwards across certain intervals, be provided with oily filter core 122f from lower plate 122d, the foreign matter in the lubricating oil is filtered.
On upper plate 122c and the lower plate 122d, be formed with can the flowing gas refrigerant several through holes 122h.Also be formed with net 122i on upper plate 122c and the lower plate 122d, lubricating oil in the filtering gas refrigerant and foreign matter.
The downside of lower plate 122d is provided with branch oil fan 122j.Divide oil fan 122j by the flap 122j ' of circle and the rotation rib 122j that gives prominence to from the bottom surface of flap 122j ' downwards " constitute.Rotation rib 122j " number be a plurality of, and form across certain intervals mutually.Rotation rib 122j " bump with the refrigerant that flows into by refrigerant inflow pipe 122k.
As shown in figure 13, the side of shell 122a is formed with refrigerant inflow pipe 122k.Refrigerant inflow pipe 122k compressor 120,120 ' the refrigerant water conservancy diversion of discharging to separator 122 inside.The end of refrigerant inflow pipe 122k, inwardly outstanding to a certain degree from the medial surface of shell 122a.This outstanding end is to lopsidedness.The end that is refrigerant inflow pipe 122k is not towards the central interior of separator, but towards the side of separator, the refrigerant that allows refrigerant inflow pipe 122k discharge sprays to rotation rib 122j ".
The upper end of shell 122a is formed with refrigerant discharge pipe 122m, the refrigerant that water conservancy diversion separator 122 is discharged.In addition, the lower end of shell 122a is formed with the oil return pipe 123 of connection.Compressor 120,120 ' reclaims separated lubricating oil by oil return pipe 123.
As shown in Figure 9, the outlet side of separator 122 also is provided with check valve 122 ', prevents the refluence of refrigerant.When promptly having only some in constant speed compressor 120 or the variable speed compressor 120 ' to carry out work, prevent that refrigerant from pouring in down a chimney to compressor 120, the 120 ' inside that is in halted state.
After the refrigerant that constant speed compressor 120 and variable speed compressor 120 ' are discharged is flowed to a position, flow to four-way valve 124.Inlet at four-way valve 124 is provided with high pressure sensor 124 '.High pressure sensor 124 ' is used to detect compressor 120,120 ' the refrigerant pressure of discharging.
In addition, cross four-way valve 124 and be provided with hot gas (hot gas) pipe 125.Under the effect of heating pipe 125, from the refrigerant of separator 122 inflow four-way valves 124, some flows directly into storage tank 132.
When air-conditioning carries out work, improve the low pressure refrigerant pressure that flows into storage tank 132 if desired, then pass through heating pipe 125, directly feed to compressor 120,120 ' the high pressure refrigerant of compressor 120,120 ' discharge oral-lateral.Heating pipe 125 is provided with hot-blast valve 125 '.Hot-blast valve 125 ' is a kind of effluent valve.
As shown in figure 11, the top first half central authorities on chassis 110 are provided with valve brace table 126.Valve brace table 126 is used for liquid pipe 210 outside the supported chamber ", outdoor tracheae 212 ", high-low pressure manages 214 jointly.Service valve 128 also is located on the valve brace table 126.In addition, passed, be connected with off-premises station 100 by the pipe arrangement gateway 188 ' of the pipe arrangement 210,212,214 of valve brace table 126 supports by side panel 188.
As shown in Figure 9, be formed with supercooling machine 130 on the last left side of face rearward end on chassis 110.Supercooling machine 130 further cools off the refrigerant that carries out in the heat exchanger 180 after the heat exchange, can be arranged on outdoor liquid pipe 210 " the optional position.Outdoor liquid pipe 210 " be connected the outlet side of outdoor heat converter 180.
Supercooling machine 130 is formed by dual pipe.Be outdoor liquid pipe 210 " be positioned at the inboard, its outside is formed with loopback pipe 130 '.Loopback pipe 130 ' forms from the outlet branch of supercooling machine 130.Loopback pipe 130 ' is provided with the supercooling expansion valve 130 ' a by the cooling refrigerant that expands.
At this moment, from the refrigerant that supercooling machine 130 is discharged, some flows into loopback pipe 130 ', and is cooled when flowing through supercooling expansion valve 130 ' a.During the refrigerant backflow supercooling machine 130 of cooling, allow inboard refrigerant further be cooled off.Backflow refrigerant from supercooling machine 130 flows out flows to storage tank 132 again, circulates.
The outlet of supercooling machine 130 is provided with liquid pipe temperature sensor 130a.The refrigerant that liquid pipe temperature sensor 130a discharges off-premises station 100 carries out temperature detection.The outlet of supercooling expansion valve 130 ' a is provided with supercooling inlet sensor 130 ' b, and the backflow refrigerant that flows into supercooling machine 130 is carried out temperature detection.On the loopback pipe 130 ' of the backflow refrigerant that the supercooling machine 130 that flowing is discharged, be provided with supercooling outlet sensor 130 ' c.
Flow through the refrigerant of outdoor heat converter 180, flow by central portion, its outside reverse flow and is inflated the low temperature refrigerant that valve (figure slightly) expands, and allows refrigerant temperature reduce more.
One side of supercooling machine 130, the i.e. outdoor liquid pipe 210 of the refrigerant guiding indoor set 200 that outdoor heat converter 180 is discharged " a side, be provided with drying machine 131.Drying machine 131 is removed and is flowing in outdoor liquid pipe 210 " the moisture that contains of refrigerant.
The central portion on chassis 110 promptly between constant speed compressor 120 and the variable speed compressor 120 ', is provided with storage tank 132.Storage tank 132 is held back liquid refrigerants, only allows gaseous coolant flow to compressor 120,120 '.
Promptly from the refrigerant that indoor set 200 flows into, do not flash to the liquid refrigerants of gaseous state,, then can increase compressor 120,120 ' load, might bring compressor 120,120 ' damage if be fed directly to compressor 120,120 '.
Flow in the refrigerant of storage tank 132 inside, do not flash to the liquid refrigerants of gaseous state, its proportion can be greater than gaseous coolant.Therefore liquid refrigerants can be stored in the bottom of storage tank 132, has only gaseous coolant to flow into compressor 120,120 ' inside.In addition, the entrance side of storage tank 132 is respectively equipped with the suction pipe arrangement temperature sensor 132 ' and the low pressure sensor 132 that detects refrigerant pressure to the refrigerant detected temperatures that sucks ".
Shown in Figure 10,11, the front end both sides on chassis 110, square bearer 134,134 ' before being formed with respectively.Before square bearer 134,134 ' by the long front end that is formed on chassis 110 longways of above-below direction.Be divided into left forward side framework 134 that is located at left-hand end and the right forward side framework 134 ' that is located at right-hand end.
Preceding square bearer 134,134 ' is used to support front upper framework 116, front grid 114 and control cabinet 140,140 '.The central portion of left forward side framework 134 and right forward side framework 134 ' is formed with the central frame 136 on the left and right directions.
As shown in figure 14, the bottom of central frame 136 is provided with control cabinet 140,140 '.Control cabinet 140,140 ' Cheng Shuan are arranged on left and right sides.Be that control cabinet 140,140 ' is made up of left side control cabinet 140 that is arranged on the left side and the right side control cabinet 140 ' that is arranged on the right side.Left side control cabinet 140 is fixed on the left forward side framework 134 by hinge 140a, and right side control cabinet 140 ' is fixed on the right forward side framework 134 ' by hinge 140 ' a.
Control cabinet 140,140 ' has the shape of the cuboid carton of front openings, and its place ahead is sealed by front panel 112.Left side control cabinet 140 is provided with the control assembly and the heater element plate 146 of transformer 142, electric capacity 144 in addition.
As shown in figure 11, the back side of heater element plate 146 is formed with radiating part 146 '.Radiating part 146 ' is made up of fin.The upper end, the back side of left side control cabinet 140 is provided with heat emission fan 148.Heat emission fan 148 is made of cross flow fan.Heat emission fan 148 is upwards discharged after sucking air, accelerates the heat exchange of radiating part 146 ', cooling heating element plate 146.
Control cabinet 140,140 ' side are mounted respectively forwardly on the framework 134,134 ' by hinge 140a, 140 ' a, and hinge 140a, 140 ' a can be that the center is rotated forward with the rotating shaft.When needs carry out the maintenance of inner each parts, after control cabinet 140,140 ' rotated forward, carry out operation and get final product.
On the central frame 136, be provided with baffle plate 150.Baffle plate 150 is divided into upside space and lower side space to off-premises station 100 inner spaces.Compressor 120,120 ' and control cabinet 140, the 140 ' lower side space that waits and the upside space of outdoor heat converter 180 is set promptly is set.
Identical with control cabinet 140,140 ', baffle plate 150 also is separately positioned on left and right sides.Baffle plate 150 is by horizontal part 150 ' and rake 150 " form.Horizontal part 150 ' is formed on the rear of central frame 136.Rake 150 " downward-sloping certain angle forms from the rear of horizontal part 150 '.
In the baffle plate 150, on the horizontal part 150 ' of left side baffle plate 150, be formed with air conducting hole 152, and the upside in air conducting hole 152 is provided with air conducting cover 154.The place ahead and the top of air conducting cover 154 are in closed state, and its rear is in open state, and the air conducting that the heat emission fan 148 of bottom is blowed is to the rear.
The end face outward appearance of off-premises station 100 is formed by top panel 160.Top panel 160 has the rectangular flat structure, and Cheng Shuan is formed on left and right sides.Be formed with passage 162 on the top panel 160.The edge of passage 162 forms cylindric flow-guiding mouth 164 after extending downwards.Flow-guiding mouth 64 is integrally formed on the top panel 160, is made for suitable by plastic material.
Flow-guiding mouth 164 has cylindrical shape, the outside water conservancy diversion of air that blowing fan 170 is blowed.The upside of flow-guiding mouth 164 promptly on the passage 162, is formed with the circular row corresponding with passage 162 and goes out grid 166.
The inboard of flow-guiding mouth 164 is provided with blowing fan 170.Blowing fan 170 is driven by the fan electromotor 172 of its below, is used for air row upward.Externally under the effect of power supply, when being rotated, the blowing fan 170 that is fixed on fan electromotor 172 rotating shafts one end is rotated fan electromotor 172, air row upward.
The bottom of top panel 160 is provided with outdoor heat converter 180.Outdoor heat converter 180 allows flow through between inner refrigerant and the extraneous air and produces heat exchange, and Cheng Shuan is arranged on front and back.Be that outdoor heat converter 180 is by front heat exchanger 182 that is arranged on top panel 160 leading section downsides and the back side heat exchanger 184 that is arranged on top panel 160 rearward end downsides.
The Lower Half of front heat exchanger 182 is crooked backward.Being front heat exchanger 182 extends the vertical component effect 182 ' of certain-length and crooked backward from the lower end of vertical component effect 182 ' downwards by the leading section from front panel 112, press the rake 182 that certain angle tilts " formation.
As shown in Figure 9, the inside of outdoor heat converter 180 is provided with the heat-exchanger temperature sensor 180a that detects heat exchanger temperature.The outside of outdoor heat converter 180 is provided with the outdoor temperature sensor 180b that detects external temperature.
As shown in figure 11, the lower end downside of outdoor heat converter 180 is provided with drain pan 186.Drain pan 186 long being formed on longways on the left and right directions after the condensed water collection of outdoor heat converter 180 generations, are discharged to the side.
The end face left-hand end and the right-hand end on chassis 110 are provided with side panel 188.Side panel 188 forms the side outward appearance of off-premises station 100.The front and back of its bottom are formed with pipe arrangement gateway 188 ' respectively.
The rear end on chassis 110 is provided with back side grid 190.The size of back side grid 190 is corresponding with back side heat exchanger 184.The downside of grid 190 is provided with back panel 192 overleaf.
The upper end of back side grid 190 is by the long upper rear portion support 194 that is formed with longways of left and right directions.Upper rear portion support 194 is arranged on the front, upper end of back side grid 190, the brace table 174 of support motor seat 174 " rear end.
The back vertex angle part on chassis 110 is provided with back square bearer 196.Back square bearer 196 long being formed on longways on the above-below direction are supported back side grid 190, back panel 192 and top panel 160.
Below, with reference to Fig. 8～14, the operation principle to central air-conditioning of the present invention is elaborated:
In the air-conditioning of the present invention, on an off-premises station 100, connect many indoor sets 200, can allow part or all indoor set 200 carry out work by user's selection.
When air-conditioning carried out work (refrigeration operation), outdoor LEV102 was open, and refrigerant flows between off-premises station 100 and indoor set 200.
At first, illustrate that the refrigerant in the off-premises station 100 flows.After the gaseous coolant of inflow off-premises station 200 flows through four-way valve 124, flow to storage tank 132.The gaseous coolant that storage tank 132 is discharged flows to compressor 120,120 '.Feed to compressor 120,120 ' cold medium shortage or compressor 120,120 ' when overheated, by coolant injection device 120a supply refrigerant.
The refrigerant of compressor 120,120 ' compression is discharged to outlet, flows through separator 122.The lubricating oil that separator 122 separates in the refrigerant allows compressor 120,120 ' pass through oil return pipe 123 and reclaims.
When being compressor 120,120 ' compression refrigerant, can infiltrate parts of lubricating oil in the refrigerant.Lubricating oil is liquid, and refrigerant is a gaseous state.Therefore the separator 122 that can be used as a kind of gas-liquid separator separates.
In addition, under the effect of the even oil pipe 121 that connects constant speed compressor 120 and variable speed compressor 120 ', both sides compressor 120,120 ' internal lubrication oil can keep balance.
The refrigerant that flows through separator 122 is flowed through behind the four-way valve 124, inflow outdoor heat exchanger 180.Outdoor heat converter 180 allows refrigerant by carrying out heat exchange with extraneous air as condenser (during refrigeration) work, is condensed into liquid refrigerants.Flow through the refrigerant of outdoor heat converter 180, when flowing through supercooling machine 130, be further cooled.
Flow through the refrigerant of supercooling machine 130, flowing through is used to remove the drying machine 131 of refrigerant moisture, by common liquid pipe 210, flows into indoor set 200.In addition, flow through in compressor 120,120 ' the refrigerant, some also can flow into other off-premises stations 100 by the common pipe 214 of high-low pressure.
Be fed to the refrigerant of other off-premises stations 100, by the common pipe of high-low pressure 214 off-premises station 100 outdoor heat converters 180 that flow in stopping, allow the equilibrium that keep-ups pressure of whole refrigerant, and allow off-premises station 100 heat exchangers 180 in stopping also carry out to a certain degree heat exchange.
When by common liquid pipe 210 refrigerant being fed to indoor set 200, refrigerant is fed to each indoor set 200 respectively by each the branch's liquid pipe 210 ' from common liquid pipe 210 branches.Refrigerant reduces pressure under the effect of expansion valve 204, and carries out heat exchange in indoor heat converter 202.Here, indoor heat converter 202 plays evaporimeter, allows refrigerant become low-pressure gas by heat exchange.
From the refrigerant that indoor heat converter 202 is discharged, the branch bronchus 212 ' of flowing through collects in common tracheae 212, flows into off-premises station 100.Common tracheae 212 and outdoor tracheae 212 " flow into the refrigerant of off-premises station 100, flow to storage tank 132 by four-way valve 124.
When heating operation, refrigerant by with the opposite direction of loop direction in the process of refrigerastion, circulate, regulate coolant quantity among the off-premises station LEV102.
Below, the air flow condition to off-premises station describes: along with connecting power supply, fan electromotor 172 carries out work, drives blowing fan 170.During blowing fan 170 rotations, extraneous air flows into by front grid 114 and back side grid 190.
Flow into the air of off-premises station 100 inside, when flowing through outdoor heat converter 180, carry out heat exchange.Here, when air-conditioning was worked as refrigeration machine, extraneous air absorbed heat from outdoor heat converter 180, becomes high temperature air.On the contrary, when air-conditioning was worked as the machine that heats, extraneous air was absorbed heats by outdoor heat converter 180, becomes Cryogenic air.
The air that flows through outdoor heat converter 180 is upwards blown out by blowing fan 170.At this moment, the discharge of flow-guiding mouth 164 diversion airs.
Below, with reference to Figure 12,13, the internal state of separator 122 is described: by refrigerant inflow pipe 122k refrigerant that flows into and the rotation rib 122j that divides oil fan 122j " collision, allow branch oil fan 122j rotation.
When dividing oily fan 122j to rotate, under action of centrifugal force, the separated below that drops onto of lubricating oil, gas coolant is by the water conservancy diversion that makes progress.Quilt is the refrigerant of water conservancy diversion upwards, flows through mesh screen 122b, is removed remaining lubricating oil by mesh screen 122b.In addition, when refrigerant flows through mesh screen 122b, netted 122i and filtered foreign matter.
Flow through the refrigerant of mesh screen 122b, 122m is discharged from by the refrigerant discharge pipe, circulates.By mesh screen 122b and branch oil fan 122j separated lubricating oil, collect in shell 122a interior lower end, be back to compressor 120,120 ' by oil return pipe 123.
In sum, air-conditioning centrifugal oil separator structure of the present invention, portion is provided with mesh screen and divides the oil fan in the enclosure.Refrigerant to compressor flows into by centrifugation, separates lubricating oil wherein, and holds back remaining lubricating oil by mesh screen, can improve the rate of recovery of lubricating oil.In addition, behind the foreign matter in the oily filter element filtering lubricating oil, provide clean lubricating oil, improved the rate of recovery of lubricating oil, can give the compressor amount supplied outer lubricating oil, improve operating efficiency to compressor.Moreover, structure of the present invention can be carried out the oily operation of branch more effectively, can prevent from that lubricating oil is mixed in the refrigerant to circulate, thereby can improve the air-conditioning whole efficiency.
The scope of the present invention is not limited at the foregoing description.Personnel with industry ABC then can carry out a lot of changes in above-mentioned technical scope.
Claims (5)
1, a kind of oil distributor structure of air-conditioning, it is characterized in that comprising the air-conditioning oil distributor structure shell (122a) of the outward appearance that forms separator, be used for filtering the mesh screen (122b) of the lubricating oil of refrigerant, utilize centrifugation to separate the branch oil fan (122j) of refrigerant and lubricating oil.
2, the oil distributor structure of air-conditioning according to claim 1 is characterized in that being respectively equipped with upper plate (122c) and the lower plate (122d) that supports mesh screen at the upper and lower sides of mesh screen (122b).
3, the oil distributor structure of air-conditioning according to claim 1 is characterized in that describedly dividing oil fan (122j) to comprise circular flap (122j ') and being formed on simultaneously rotation rib of flap (122 ").
4, the oil distributor structure of air-conditioning according to claim 1 is characterized in that being formed with in the side of shell (122a) the refrigerant inflow pipe (122k) of the fluid-mixing that flows into refrigerant and lubricating oil; The upper end of shell (122a) forms the refrigerant discharge pipe (122m) of discharging refrigerant; The lower end of shell (122a) is formed with the oil return pipe (123) of discharging separated lubricating oil.
5, the oil distributor structure of accent according to claim 4, the end that it is characterized in that described refrigerant inflow pipe (122k) is to lopsidedness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072125 CN1752671A (en) | 2004-09-24 | 2004-09-24 | Oil distributor structure for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072125 CN1752671A (en) | 2004-09-24 | 2004-09-24 | Oil distributor structure for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1752671A true CN1752671A (en) | 2006-03-29 |
Family
ID=36679624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072125 Pending CN1752671A (en) | 2004-09-24 | 2004-09-24 | Oil distributor structure for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1752671A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614460B (en) * | 2009-07-22 | 2011-10-19 | 江西昌九农科化工有限公司 | High-efficiency ammonia liquor separator |
| CN102967095A (en) * | 2012-10-29 | 2013-03-13 | 合肥通用机械研究院 | Variable volume high-efficiency vertical oil separator for refrigeration compressor testing device |
| CN103388942A (en) * | 2013-07-05 | 2013-11-13 | 广东申菱空调设备有限公司 | Horizontal type oil separator |
-
2004
- 2004-09-24 CN CN 200410072125 patent/CN1752671A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614460B (en) * | 2009-07-22 | 2011-10-19 | 江西昌九农科化工有限公司 | High-efficiency ammonia liquor separator |
| CN102967095A (en) * | 2012-10-29 | 2013-03-13 | 合肥通用机械研究院 | Variable volume high-efficiency vertical oil separator for refrigeration compressor testing device |
| CN103388942A (en) * | 2013-07-05 | 2013-11-13 | 广东申菱空调设备有限公司 | Horizontal type oil separator |
| CN103388942B (en) * | 2013-07-05 | 2015-07-29 | 广东申菱空调设备有限公司 | A kind of Horizontal oil separator |
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