CN1782559A - Outdoor unit system of air conditioner - Google Patents
Outdoor unit system of air conditioner Download PDFInfo
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- CN1782559A CN1782559A CN 200410093653 CN200410093653A CN1782559A CN 1782559 A CN1782559 A CN 1782559A CN 200410093653 CN200410093653 CN 200410093653 CN 200410093653 A CN200410093653 A CN 200410093653A CN 1782559 A CN1782559 A CN 1782559A
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Abstract
The present invention relates to outdoor unit system of air conditioner. Inside the outdoor unit system of air conditioner, the refrigerant from the indoor unit and through the common gas pipe is first made to flow into the liquid storage tank through the squared valve, then compressed in the compression chamber and heat exchanged and converted into liquid refrigerant in the outdoor heat exchanger, further cooled in the cooler, and finally provided to the indoor unit via the common liquid pipe. The refrigerant the compressor exhausts may have its part provided through the high and low pressure common pipe to other outdoor unit. The compressor consists of a fixed speed compressor and a frequency variable compressor varying its rotation speed with load change, and the fixed speed compressor is driven only after the load exceeds the maximum allowed load of the frequency variable compressor. The outdoor unit system of multi-split air conditioner has the advantage of simple assembling and high heat efficiency.
Description
Technical field
The present invention relates to be re-supplied to the invention of the outdoor unit system of air conditioner of indoor set after the refrigerant compression that flows into from a plurality of off-premises stations and carrying out heat exchange.
Background technology
In general, air-conditioner is a kind of cold, house warming system, and his basic principle is as follows: the hot-air in the suction chamber.Then, carry out heat exchange with the low temperature refrigerant.Afterwards, be discharged to the air of above-mentioned heat exchange indoor again.By repeating said process, carry out the cold-room operation; Perhaps by with the reaction of said process, carry out the greenhouse operation.Above-mentioned air-conditioner is made of compressor, condenser, expansion valve, evaporimeter exactly, thereby forms the machine of a series of circulations.
In recent years, air-conditioner also possesses following additional function is arranged except the function that possesses above-mentioned cooling-heating room: behind the contaminated air in the filter chamber, being discharged into the indoor air purifying function again through the cleaned air that filters; After humid air changed into dry air, be discharged into indoor dehumidification function again.
Simultaneously, air-conditioner can be divided into following two kinds substantially.A kind of is that off-premises station and indoor set respectively separate the detachable air conditioner that is provided with, and another kind is that off-premises station and indoor set are provided with the all-in-one-piece integral air conditioner.
And, also occur recently, be applicable in family and need install under the situation of plural air-conditioner perhaps possessing in the building that a plurality of offices are arranged, the multi-split air conditioner under each office all needs to install an air-conditioner the situation of device.Above-mentioned multi-split air conditioner be on an off-premises station, to be connected with a plurality of indoor sets, so its result of use is with equaling many detachable air conditioners.
Fig. 1 is the installment state figure of the multi-split air conditioner of conventional art.Fig. 2 is the structure of multi-split air conditioner of conventional art and the structure diagram that flows of refrigerant.As shown in the figure, off-premises station 1 is to be made of compressor 10, fluid reservoir 20, outdoor heat converter 30.50 of indoor sets are made of indoor heat converter 60 and expansion valve 70.
Also have, in above-mentioned multi-split air conditioner, be connected with a plurality of indoor sets 50 on the off-premises station 1.Between off-premises station 1 and indoor set 50, be connected with high-voltage tube 80 with high pressure and low-voltage tube 90 with relative low pressure.
When the air-conditioner of said structure carried out refrigeration work, the effect of outdoor heat converter and the course of work of air-conditioner were as follows: the outdoor heat converter 30 of above-mentioned off-premises station 1 plays the effect of handle from the condensing condenser of the refrigerant of the gaseous state of the HTHP of compressor 10 force feeds.Above-mentioned by condensing air the time by expansion valve 70, expand into the gaseous coolant of low-temp low-pressure after, be sent to indoor heat converter 60.
Flow into the refrigerant of above-mentioned indoor heat converter 60 and indoor air and carry out after the heat exchange, 2 refrigerants mutually that the gaseous coolant that converts low-temp low-pressure to and liquid refrigerants mix.Above-mentioned 2 phase refrigerants are sent to compressor 10 once more by behind the fluid reservoir 20.Constitute 1 circulation (cycle) of refrigerant like this.
When above-mentioned air-conditioner heated work, the effect of the mobile and heat exchanger of refrigerant was opposite with above-mentioned process.That is, pass through fluid reservoir 20, indoor heat converter 60, expansion valve, outdoor heat converter 30 successively at compressor 10 compressed refrigerants.
At this moment, above-mentioned indoor heat converter 60 plays the refrigerant and the room air that make by its inner HTHP and carries out the effect of the condenser of heat exchange.And playing the refrigerant and the outdoor air that make its inner low-temp low-pressure, outdoor heat converter 90 carries out the effect of the evaporimeter of heat exchange.
Fig. 3 to Fig. 5 figure is shown with the off-premises station 1 of conventional art.As shown in the figure, in the off-premises station 1 of conventional art, be provided with the chassis 2 that is used to install most of parts in its underpart.Front end on above-mentioned chassis 2 is provided with the front panel 4 that forms the place ahead outward appearance.Above-mentioned front panel 4 has two following parts to constitute: the place ahead upper board 4 of portion disposed thereon '; Be arranged on the forward lower part plate 4 of its underpart ".
At above-mentioned forward lower part plate 4 " on also be provided with pipe arrangement support 4 " a.That is, at above-mentioned forward lower part plate 4 " both certain portions form a breach, " a can be installed on the above-mentioned breach above-mentioned pipe arrangement support 4." effect of a is above-mentioned pipe arrangement support 4: support the above-mentioned high-voltage tube 80 and the low-voltage tube 90 that are communicated with setting with above-mentioned indoor set 50.
Forwardly upper board 4 ' and forward lower part plate 4 " between be provided with central bracket 6, mainly be play guiding the place ahead upper board 4 ' and forward lower part plate 4 " installation.Simultaneously, the place ahead upper board 4 ' the upper end be provided with upper bracket 6 '.Upper bracket 6 ' on, the motor cabinet 48 that will illustrate below installing ' leading section.
In front plate 4 about the end, that is, the angle of above-mentioned chassis 2 front end left and right sides is provided with the place ahead support 8.The place ahead support 8 extends up and down and forms, and supports front panel 4 and the following side panel that will illustrate 34.
One side of above-mentioned compressor 10 respectively is provided with oil eliminator 12.The effect of oil eliminator 12 is: filter out the oil (oil) that is included in the refrigerant of discharging from compressor 10, be transmitted back to above-mentioned compressor 10 after filtering again.
Be provided with both valve bracing frames 14 of take the altitude in the left side on above-mentioned chassis 2 rearward end.Valve bracing frame 14 on respectively be provided with auxiliary valve 16.
The central part on above-mentioned chassis 2, that is, constant speed compressor 10 ' and frequency-changeable compressor 10 " between be provided with fluid reservoir 20.The effect of above-mentioned fluid reservoir 20 is: stop liquid refrigerants, only allow gaseous coolant flow into above-mentioned compressor 10.
The upside of above-mentioned compressor 10 is provided with control box 22.Though control box 22 is not shown, be provided with electron gas spare and circuit main boards such as transformer, electric capacity.Control box 22 is square chest submodule samples of front opening, its front end be provided with control lid 22 '.Control lid 22 ' cover in above-mentioned control box 22.
The side on above-mentioned chassis 2 and back are provided with outdoor heat converter 30.Outdoor heat converter 30 plays to make between refrigerant that portion within it flows and the extraneous air and carries out the effect of heat exchange, and is arranged in pairs in the left and right sides on above-mentioned chassis 2.
That is, the left side be provided with the left outdoor heat converter 30 of " " shape (seeing up) ', the right side is provided with right ventricle's outer heat-exchanger 30 of " " shape ".Also have, the inlet of outdoor heat converter 20 is provided with the pipe assembly 32 of the inflow of guiding refrigerant, and its outlet is provided with receiver (receiver) 33.
The left side on above-mentioned chassis 2 and right side are provided with side panel 34, and the rear is provided with back grid 36.Corresponding with outdoor heat converter 30, back grid 36 also is provided with a pair of.That is, by back, the left side grid 36 that is arranged on left outdoor heat converter 30 ' rear ' and be arranged on right ventricle's outer heat-exchanger 30 " back, the right side grid 36 at rear ".
Simultaneously, back, left side grid 36 ' and back, right side grid 36 " between, be provided with the back support 38 that is used for fixing back grid 36 usefulness.Respectively be provided with on the angle of the rear left and right sides on above-mentioned chassis 2 rear support 38 '.
Above-mentioned passage 40 ' the top be provided with ring cover 42.Above-mentioned ring cover 42 is cylinder images of protruding upward, and plays the effect of guiding by the air of the following Air Blast fan that will illustrate 46 discharges.The upper end of above-mentioned ring cover 42 is provided with discharges grid 44.
The inside of above-mentioned ring cover 42 is provided with Air Blast fan 46.Air Blast fan 46 rotates under the effect that fan electromotor 48 thereunder is set, and plays the effect that inner air is discharged to the outside.Simultaneously, fan electromotor 48 be arranged on motor cabinet 48 ' on.
But there is following problem in the multi-split air conditioner of above-mentioned conventional art.
Flowing of refrigerant between off-premises station 1 and indoor set 50 is smooth and easy inadequately, and heat exchanger effectiveness is low.
Summary of the invention
The objective of the invention is for solving above-mentioned problems of the prior art, that is, provide refrigerant the mobile outdoor machine system of air-conditioner very smoothly.
To achieve these goals, in outdoor unit system of air conditioner of the present invention, the off-premises station that more than one off-premises station can connect the air-conditioner of a plurality of indoor sets has following part to constitute:
A plurality of compressors of compression refrigerant; Carry out the heat exchanger of heat exchange; The subcooler of cooling refrigerant.
Above-mentioned compressor is by the constant speed compressor that rotates with certain rotating speed with along with the variable frequency-changeable compressor of variation rotating speed of loading constitutes, and as feature.
Above-mentioned subcooler is a double pipe, and as feature.
The refrigerant that is flowing on the inner tube of above-mentioned double pipe and discharging from heat exchanger, externally pipe is gone up the low temperature refrigerant that flowing in the other direction, and as feature.
The outdoor machine system of the air-conditioner of the present invention of said structure has air-conditioner the advantage easy, that heat exchanger effectiveness is high is set.
Advantage and good effect: in the outdoor unit system of air conditioner of the invention described above, each connection of off-premises station and common fluid-through tube, off-premises station and common tracheae is set together, and connection is provided with the common pipe of high-low pressure between the plural off-premises station.
So, the manufacturing cost of minimizing is arranged, easy advantage is set.Also have, the pressure of the refrigerant between the off-premises station is kept equilibrium, and can apply flexibly the outdoor heat converter in stopping using, so, can improve the heat exchanger effectiveness of air-conditioner integral body.
Simultaneously, be provided with constant speed compressor and frequency-changeable compressor, and suitably be driven according to load capacity.So, but save electricity.
Also have, under the effect of subcooler, heat exchanger effectiveness is greatly improved.And, can prevent the damage of compressor by oil equalizing pipe and coolant injection device.So improved the quality of air-conditioner integral body.
Description of drawings
Fig. 1 is the installment state figure of the multi-split air conditioner of conventional art.
Fig. 2 is the structure of multi-split air conditioner of conventional art and the structural representation that flows of refrigerant.
Fig. 3 is the multi-split air conditioner schematic appearance of conventional art.
Fig. 4 is the decomposing schematic representation that the off-premises station of the multi-split air conditioner of conventional art is constructed.
Fig. 5 takes in-built front elevation behind the front panel of multi-split air conditioner of conventional art apart.
Fig. 6 is the installment state figure of multi-split air conditioner of the present invention.
Fig. 7 is the structure of multi-split air conditioner of the present invention and the structural representation that flows of refrigerant.
Fig. 8 is the detailed structure view of multi-split air conditioner off-premises station of the present invention.
Fig. 9 is the schematic diagram of multi-split air conditioner off-premises station of the present invention.
Figure 10 is the decomposing schematic representation of off-premises station of the multi-split air conditioner of conventional art.
Figure 11 takes in-built front elevation behind the front panel of air-conditioner of conventional art apart.
The symbol description of accompanying drawing face major part
100: off-premises station 102: outdoor magnetic valve
110: chassis 112: front panel
114: front grid 116: the place ahead upper bracket
120: constant speed compressor 120 ': frequency-changeable compressor
120a: coolant injection device 121: oil equalizing pipe
121 ': oil equalizing pipe temperature sensor 122: oil eliminator
123: oily recovery tube 124: cubic valve
126: valve bracing frame 128: auxiliary valve
130: subcooler 130 ': contrary transfer tube
130 ' a: supercooling expansion valve 132: fluid reservoir
134,134 ': the place ahead support 136: central bracket
140: left control box 140 ': right control box
142: transformer 144: electric capacity
146: heat release mainboard 146 ': radiating part
148: heat emission fan 150: separating plate
152: air guide holes 154: the air pilot cap
160: upper cover plate 162: passage
164: ring cover 166: discharge fence
170: Air Blast fan 172: fan electromotor
174: motor cabinet 180: outdoor heat converter
182: preceding square heat-exchanger 184: the back square heat-exchanger
186: rhone 188: side plate
190: back grid 192: the back plate
194: rear upper bracket 196: the rear support
200: indoor set 202: indoor heat converter
204: expansion valve 210: be total to fluid-through tube
210 ': branch's liquid pipe 210 ": outdoor liquid pipe
212: common tracheae 212 ': divide bronchus
212 ": outdoor tracheae 214: the common pipe of high-low pressure
The specific embodiment
Below, with reference to drawing of the present invention, describe air-conditioner of the present invention in detail.
Fig. 6 is the installment state figure of multi-split air conditioner of the present invention.Fig. 7 is the structure diagram that flows of multi-split air conditioner of the present invention and refrigerant.
As shown in the figure, off-premises station 100 by constant speed compressor 120, frequency-changeable compressor 120 ', fluid reservoir 132, outdoor heat converter 180, outdoor magnetic valve 102 (LEV:linearexpansion valve is hereinafter to be referred as " outdoor LEV " ') constitute.Indoor set 200 is to be made of indoor heat converter 202 and expansion valve 204.
In multi-split air conditioner, be connected with a plurality of indoor sets 200 on the off-premises station 100 more than one or two.Between off-premises station 100 and indoor set 200, be communicated with the portion within it of being provided with have common fluid-through tube 210 that liquid coolant flows and within it portion the mobile common tracheae 212 of gas coolant is arranged.Also have, be provided with the common pipe 214 of high-low pressure between the plural off-premises station 100, the common pipe 214 of above-mentioned high-low pressure plays the effect of the equilibrium of keeping refrigerant pressure.
The common pipe 214 of above-mentioned high-low pressure interconnects together the inlet position that possesses the above-mentioned outdoor heat converter 180 that a plurality of indoor sets 100 are arranged, and makes the refrigerant between the off-premises station 100 keep equilibrium.Simultaneously, make refrigerant flow into the inside of the outdoor heat converter 180 of the off-premises station 100 that is not used in a plurality of off-premises stations 100, thereby improve whole heat exchanger effectiveness.According to freezing or heating effect, the refrigerant of high pressure or low pressure in common pipe 214 internal flows of above-mentioned high-low pressure.
On the above-mentioned indoor set 200, the portion within it of respectively being provided with flowing branch's liquid pipe 210 of liquid refrigerants ' and within it portion flowing the branch bronchus 212 of gaseous coolant '.Branch's liquid pipe 210 ' and branch bronchus 212 ' each is connected on common fluid-through tube 210 and the common tracheae 212.
According to the difference of the capacity of connected indoor set 200, above-mentioned a plurality of branches liquid pipe 210 ' and divide bronchus 212 ' diameter also have nothing in common with each other.
Simultaneously, on off-premises station 100, the flowing outdoor liquid pipe 210 " and portion flowing the outdoor tracheae 212 of gaseous coolant " within it of liquid refrigerants of the portion within it of respectively being provided with.Each is connected above-mentioned outdoor liquid pipe 210 " and outdoor tracheae 212 " on common fluid-through tube 210 and the common tracheae 212.
Fig. 8 to Figure 11 figure is shown with the formation of multi-split air conditioner of the present invention.As shown in the figure, the chassis 110 that forms the bottom surface is arranged on bottom, and supports most of parts.110 front end is provided with the front panel 112 that forms the forward lower part outward appearance on the chassis.
Above above-mentioned front panel 112, be provided with front grid 114.After air outside is inhaled into by front grid 114, by the following outdoor heat converter that will illustrate 180.Simultaneously, the top of grid 114 is provided with the place ahead upper bracket 116 in front, and the front end position of the motor cabinet 174 that will illustrate below is fixed on the place ahead upper bracket 116.
The upper end of above-mentioned support 110 be provided with compressor 120,120 '.Compressor 120,120 ' mainly play the effect that refrigerant is compressed into the HTHP attitude, and respectively be arranged on the left and right sides on chassis 110.That is, comparatively speaking, what be arranged on the right side is the constant speed compressor 120 that carries out constant speed drive, the left side be provided with the frequency-changeable compressor 120 of variable-ratio heat pump (Variable Speed HeatPump) '.
Above-mentioned compressor 120,120 ' the porch be provided with coolant injection device 120a.(Fig. 8) above-mentioned coolant injection device 120a according to compressor 120,120 ' operational situation, in overheated, supply with refrigerant, thereby prevent the damage of compressor.The refrigerant of the Shi Yonging outdoor heat converter that preferably will illustrate 180 refrigerant of discharging here from below.
Also have, above-mentioned constant speed compressor 120 and frequency-changeable compressor 120 ' between be provided with oil equalizing pipe 121.Above-mentioned oil equalizing pipe 121 makes constant speed compressor 120 and frequency-changeable compressor 120 ' be connected together.So in above-mentioned compressor, if the compressor oil-supplying deficiency of a side time, the compressor of an other side replenishes the compressor of giving above-mentioned fuel feeding deficiency, thus prevent the compressor 120,120 of fuel feeding deficiency ' damage.
Above-mentioned compressor 120,120 ' the be to use scroll compressor that noise is low, efficient is high.Particularly, above-mentioned frequency-changeable compressor 120 ' be anti-phase vortex (scroll) compressor that to regulate speed of gyration according to load.So, in the time of the indoor set work of minority, start earlier above-mentioned frequency-changeable compressor 120 ', along with the increase of load, above-mentioned frequency-changeable compressor 120 ' when can't bear, above-mentioned constant speed compressor 120 just starts.
Above-mentioned constant speed compressor 120 and frequency-changeable compressor 120 ' the exit, respectively be provided with the compressor discharge temperature sensor 120b of measurement, 120b ' and oil eliminator 122 from the temperature of the refrigerant of compressor 120,120 ' discharge.The effect of above-mentioned oil eliminator 122 is: filter out the oil that is included in the refrigerant of compressor 120,120 ' discharge, filter the back be transmitted back to compressor 120,120 '.
That is the heat that produces during, for cooling compressor 120,120 ' driving and the oil (oil) that uses with refrigerant be discharged to compressor 120,120 ' outlet.After oil eliminator 122 is isolated oil in the refrigerant, refrigerant be transmitted back to again above-mentioned compressor 120,120 '.
The outlet position of above-mentioned oil eliminator 122 be provided with check-valves 122 ', check-valves 122 ' mainly be the effect of playing the backflow that prevents refrigerant.That is, constant speed compressor 120 or frequency-changeable compressor 120 ' in any one idle the time, prevent refrigerant be back to compressor 120,120 in stopping using ' inside.
Above-mentioned oil eliminator 122 is communicated with cubic valve 124 by pipe arrangement.Four directions valve 124 changes the effect of flowing of refrigerant according to the execution of cooling-heating room.On each joint of cubic valve, respectively be connected with compressor 120,120 ' outlet (perhaps oil eliminator), compressor 120,120 ' inlet (fluid reservoir), outdoor heat converter 180, indoor set 200.
After being collected in together from the refrigerant of above-mentioned constant speed compressor 120 and frequency-changeable compressor 120 ' discharge, flow into above-mentioned cubic valve 124.The porch of above-mentioned cubic valve 124 be provided with the high pressure sensor 124 that can measure from the pressure of the refrigerant of compressor 120,120 ' discharge '.
Also have, the hot gas (hot gas) of the fluid reservoir 132 that will illustrate below a part that flow into the refrigerant of above-mentioned cubic valve from oil eliminator 122 is directly put into manages 125, and hot gas (hotgas) pipe crosses and is arranged on cubic valve 124.
The effect of above-mentioned heating pipe 125 is: when needs strengthen the pressure of low pressure refrigerant of the fluid reservoir 132 when flowing into air-conditioner work, make the high pressure refrigerant at compressor 120,120 ' outlet place directly supply to compressor 120,120 ' the porch.Above-mentioned heating pipe 125 be provided with hot-blast valve 125 ', and control pipe arrangement switching.Hot-blast valve 125 ' be bypass (bypass) valve.
The top front end central authorities on above-mentioned chassis 110 are provided with valve bracing frame 126.Valve bracing frame 126 main supports and the above-mentioned outdoor liquid pipe 210 of guiding ", outdoor tracheae 212 ", the common pipe 214 of high-low pressure.And auxiliary valve 128 also is arranged on the valve bracing frame 126.Simultaneously, each pipe 210,212,214 that is supported by valve bracing frame 126, the pipe arrangement gateway 188 by the following side plate that will illustrate 188 ' be drawn out to the outside, and be connected with off-premises station 100.
The rear end, left side, top on above-mentioned chassis 110 is provided with subcooler 130.Subcooler 130 mainly is to play to be cooled off in the outdoor heat converter 180 that will illustrate below to carry out the effect of the refrigerant of heat exchange, and is connected the outdoor liquid pipe 210 at the outlet position of outdoor heat converter 180 " the optional position on.
Above-mentioned subcooler 130 is dual pipes.That is, outdoor liquid pipe 210 " be arranged on the inboard, the outside be provided with contrary transfer tube 130 '.The contrary transfer tube 130 in the exit of subcooler 130 ' diverge to, and contrary transfer tube 130 ' be provided with supercooling expansion valve 130 ' a by the cooling refrigerant that expands.
The part of the refrigerant of discharging from above-mentioned subcooler 130 flow into contrary transfer tube 130 ', and be cooled by supercooling expansion valve 130 ' a the time.When the refrigerant that is cooled refluxes at subcooler 130, cooled off.The fluid reservoir 132 that will illustrate below the backflow refrigerant of discharging from subcooler 130 is re-supplied to, and circulate.
Simultaneously, the exit of above-mentioned subcooler 130 is provided with the liquid pipe temperature sensor 130a of measurement from the temperature of the refrigerant of off-premises station 100 discharges.The exit of above-mentioned supercooling expansion valve 130 ' a is provided with supercooling inlet sensor 130 ' b, and measures the temperature of the backflow refrigerant that flow into subcooler 130.Portion flows within it the contrary transfer tube 130 of the backflow refrigerant of discharging from subcooler 130 ' on, be provided with supercooling and export sensor 130 ' c.(referring to Fig. 8)
Refrigerant by outdoor heat converter 180 flows at central part, and externally direction is flowing and is being inflated the low temperature refrigerant that valve (not shown) expands, and makes the temperature of refrigerant lower.
One side of above-mentioned subcooler 130 promptly, will be directed to the outdoor liquid pipe 210 of indoor set 200 from the refrigerant that outdoor heat converter 180 is discharged " a side, be provided with drier 131 (Drier)." the effect of the moisture that comprises in the refrigerant that flows that drier 131 plays removal at outdoor liquid pipe 210.
The central part on above-mentioned chassis 110, that is, constant speed compressor 120 and frequency-changeable compressor 120 ' between be provided with fluid reservoir 132.Fluid reservoir 132 filters out liquid refrigerants, thus make the refrigerant that has only gaseous state flow into above-mentioned compressor 120,120 '.
That is, from the refrigerant that indoor set 200 flows into, the liquid refrigerants that does not evaporate, if be fed directly to compressor 120,120 ', can make the compressor 120 that refrigerant is changed into the gaseous coolant of HTHP, 120 ' load increase, thereby cause compressor 120,120 ' damage.
Flow in the refrigerant of fluid reservoir 132 inside, because still the proportion of unevaporated liquid refrigerants is bigger than gaseous coolant, so liquid refrigerants goes back to the bottom that is stored at above-mentioned fluid reservoir 132.Then, have only gaseous coolant flow into above-mentioned compressor 120,120 '.Simultaneously, the porch of above-mentioned fluid reservoir 132 be provided with the suction line temperature sensor 132 of the temperature of measuring the refrigerant be inhaled into ' and measure the low pressure sensor 132 of the pressure of refrigerant ".
The both sides, the place ahead on above-mentioned chassis 110 respectively be provided with the place ahead support 134,134 '.The front end of above-mentioned the place ahead support 134,134 ' on above-mentioned chassis 110 extends up and down and forms.And be divided into the left forward side support 134 that is arranged on the left side and the right forward side support 134 that is arranged on the right side '.
Above-mentioned the place ahead support 134,134 ' mainly be play the control box 140,140 that supports above-mentioned the place ahead upper bracket 116, front grid 114 and will illustrate below also having ' effect.Simultaneously, above-mentioned left forward side support 134 and right forward side support 134 ' between central part be provided with central bracket 136.
The bottom of above-mentioned central bracket 136 be provided with control box 140,140 '.Above-mentioned control box 140,140 ' be formed on the in pairs left and right sides.That is, by the left control box 140 that is arranged on the left side be arranged on the right control box 140 on right side ' constitute.Above-mentioned left control box 140 is fixed on the above-mentioned left forward side support 134 by hinge 140a, and above-mentioned right control box 140 is fixed on the above-mentioned right forward side support 134 by hinge 140 ' a.
Above-mentioned control box 140,140 ' be the square chest submodule sample of front opening, its place ahead is covered by above-mentioned front panel 112.Also have, above-mentioned left control box 140 is provided with electricity piece and heat release mainboards 146 such as transformer, electric capacity.
The rear of above-mentioned heat release mainboard 146 be provided with the heat unit 146 that constitutes by heat liberation board '.Simultaneously, upper end, the back of above-mentioned left control box 140 is provided with heat release fan 148, and above-mentioned heat release fan 148 is cross flow fans.After above-mentioned heat release fan 148 sucks air, air is discharged upward.Thereby promote above-mentioned heat unit 146 ' heat exchange, and cool off above-mentioned heat release mainboard 146.
Above-mentioned control box 140,140 ' side by hinge 140a, 140 ' a respectively be fixed on above-mentioned the place ahead support 134,134 '.So above-mentioned control box 140,140 ' with above-mentioned hinge 140a, 140 ' a is an axle, can forwards rotate.So when needing the after-sale service (After Service) of internal part, can under above-mentioned control box 140,140 ' forwards rotating state, carry out operation.
Above-mentioned central bracket 136 is provided with separating plate 150.Above-mentioned separating plate 150 is the internal separation of above-mentioned off-premises station 100 upper space and lower space.That is, be divided into: be built-in with above-mentioned compressor 120,120 ' and control box 140,140 ' lower space; Setting is by the upper space of the following outdoor heat converter that will illustrate 180.
Catch up with and state control box 140,140 ' the same, above-mentioned separating plate 150 also respectively is arranged on the left and right sides.Above-mentioned separating plate 150 constitutes just like the lower part: from above-mentioned central bracket 136 rearward extend the horizontal part 150 that forms '; From above-mentioned horizontal part 150 ' the rake 150 that is formed slopely of rear end set angle downwards ".
Simultaneously, the horizontal part 150 of the left side separating plate 150 in the above-mentioned separating plate 150 ' on be formed with air guide holes 152.Above above-mentioned air guide holes 152, be provided with air pilot cap 154.The front end and the upper end of above-mentioned air pilot cap 154 are all sealed, and the rear end is opened wide.So, pass the bootable rear of air of coming to above-mentioned air pilot cap 154 from the heat release fan 148 that is arranged on above-mentioned air pilot cap 154 belows.
The top outward appearance of above-mentioned off-premises station 100 is formed by upper cover plate 160.Above-mentioned upper cover plate 160 is tetragonal flat panel images, and is arranged in pairs in the left and right sides.Also have, be formed with passage 162 on the above-mentioned upper cover plate 160, and the edge of above-mentioned passage 162 prolongs the ring cover 164 that forms drum downwards.Above-mentioned ring cover 164 and upper cover plate 160 are one, and above-mentioned ring cover 164 preferably is made by plastic material.
Above-mentioned ring cover 164 is columnar, and guiding is passed the bootable outside of arriving of the air of coming by force by the following heat release fan 148 that will illustrate.Simultaneously, the upper end of above-mentioned ring cover 164, that is, above-mentioned passage 162 is provided with the discharge fence 166 of the circle corresponding with above-mentioned passage 162.
The inboard of above-mentioned ring cover 164 is provided with Air Blast fan 170.The fan electromotor 172 that above-mentioned Air Blast fan 170 is set up thereunder rotates, and inner air is rejected to the outside.That is, after energising on the said fans motor 172, under the effect of the revolving force of said fans motor, be fixed on above-mentioned Air Blast fan 170 rotations on the end of said fans motor 172 gyroaxises, and air is rejected to the top.
Said fans motor 172 is fixed by motor cabinet 174.Above-mentioned motor cabinet 174 be by the fixed head 174 of tetragonal writing board shape ' and support said fixing plate 174 ' bracing frame 174 ".Above-mentioned bracing frame 174 " is to be formed on the left and right sides in pairs.The above-mentioned pair of supporting 174 of said fixing plate 174 ' be fixed on " central part.And above-mentioned bracing frame 174 " rear and front end bending upward, and respectively be fixed on above-mentioned the place ahead upper bracket 116 and the following rear upper bracket 194 that will illustrate.
The bottom of above-mentioned upper cover plate 160 is provided with outdoor heat converter 180.The effect of above-mentioned outdoor heat converter 180 is: make the refrigerant and the extraneous air that are flowing in above-mentioned heat exchanger 180 inside carry out heat exchange.Above-mentioned outdoor heat converter 180 is to be formed on the rear and front end in pairs.That is, the preceding square heat-exchanger 182 by the forward lower part that is arranged on above-mentioned upper cover plate 160 constitutes with the back square heat-exchanger 184 that is arranged on the rear lower portion of above-mentioned upper cover plate 160.
The Lower Half bending rearward of square heat-exchanger 182 before above-mentioned.That is square heat-exchanger 182 is to be made of two following parts before, above-mentioned: from the front end of above-mentioned front panel prolong downwards the vertical component effect 182 that forms '; From above-mentioned vertical component effect 182 ' the rake 182 that is formed slopely of the rearward set angle in lower end ".
So the lower end of the lower end of above-mentioned preceding square heat-exchanger 182 and above-mentioned back square heat-exchanger 184 is adjacent.Between the lower end of above-mentioned outdoor heat converter 180 and the above-mentioned chassis 110 set spacing is arranged.Also have, the side of above-mentioned outdoor heat converter 180 be formed with the refrigerant of above-mentioned compressor 120,120 ' supply be assigned to the pipe assembly 180 of various piece '.
Simultaneously, the inside of above-mentioned outdoor heat converter 180 is provided with the heat-exchanger temperature sensor 180a of the temperature of measuring heat exchanger.Be provided with the outdoor temperature sensor 180b that measures external temperature in the outside.
The below, lower end of above-mentioned outdoor heat converter 180 is provided with rhone 186.Above-mentioned rhone 186 extends formation about being.Its effect is: accumulate in the condensing water that above-mentioned outdoor heat converter 180 produces, and above-mentioned condensing water is rejected to the side.
The left and right sides two ends on 110 tops, above-mentioned chassis are provided with side plate 188.Above-mentioned side plate 188 forms the side outward appearance of off-premises station 100.Respectively be provided with in the rear and front end of the bottom of above-mentioned side plate 188 pipe arrangement access hole 188 '.
The rear end on above-mentioned chassis 110 is provided with back grid 190.The size of above-mentioned back grid 190 is big or small corresponding with above-mentioned back square heat-exchanger 184, and is provided with back plate 192 at the downside of above-mentioned back grid 190.
The rear upper bracket 194 of elongation about the upper end of above-mentioned back grid 190 is provided with.Above-mentioned rear upper bracket 194 be arranged on grid 190 upper ends, above-mentioned back comprehensively on, and support the bracing frame 174 of above-mentioned motor cabinet 174 " the rear end.
Simultaneously, the angle, rear end on above-mentioned chassis 110 is provided with rear support 196.Above-mentioned rear support 196 is to extend up and down to form, and supports above-mentioned back grid 190, back plate 192 and upper cover plate 160.
Below, with reference to Fig. 7 to Figure 11, the effect of the air-conditioner of the present invention of said structure is described.
On the air-conditioner of the invention described above, be connected with a plurality of indoor sets 200 on the off-premises station 100, and according to part or all indoor set 200 work of user's selection.
After central air-conditioner is opened (cold-room running), above-mentioned outdoor LEV120 opening, refrigerant can flow and off-premises station 100 and indoor set 200 between.
At first, the flow process of the refrigerant in the off-premises station 100 is as follows: the gaseous coolant that flows into from above-mentioned indoor set 100 flow into above-mentioned fluid reservoir 132 by behind the above-mentioned cubic valve 124.From the gaseous coolant that above-mentioned fluid reservoir 132 is discharged, flow into compressor 120,120 '.Simultaneously, supply to above-mentioned compressor 120,120 ' cold medium shortage or compressor 120,120 ' overheated the time, supply with refrigerant from above-mentioned coolant injection device 120a.
Refrigerant in above-mentioned compressor 120,120 ' compression is discharged to outlet, and by oil eliminator 122.In above-mentioned oil eliminator 122, isolate the oil (Oil) that comprises in the refrigerant after, by oily recovery tube 123 be recovered to above-mentioned compressor 120,120 '.
That is, refrigerant is in the time of above-mentioned compressor 120,120 ' compression, and oil can be mixed in together with refrigerant.At this moment, oil is liquid, and refrigerant is a gaseous state.So be separated for 122 li at oil eliminator as gas-liquid separator.
Connect above-mentioned constant speed compressor 120 and frequency-changeable compressor 120 ' the effect of oil equalizing pipe 121 under, the oil of the compressor 120,120 of both sides ' inside is kept equilibrium.
By the refrigerant of above-mentioned oil eliminator 122, behind above-mentioned cubic valve 124, flow into above-mentioned outdoor heat converter 180.What at this moment, above-mentioned outdoor heat converter 180 play a part is condenser (in the time of the cold-room pattern).So refrigerant and outdoor air carry out changing liquid refrigerants into after the heat exchange.By the refrigerant of above-mentioned outdoor heat converter 180, in the time of by above-mentioned subcooler 130, cooled off.
By the refrigerant of above-mentioned subcooler 130, behind drier 131, flow into indoor set 200 by being total to fluid-through tube 210.By above-mentioned compressor 120,120 ' a part of refrigerant by the common pipe 214 of above-mentioned high-low pressure, flow into other off-premises station 100.
Supply to the refrigerant of other off-premises stations 100 by the common pipe 214 of above-mentioned high-low pressure, flow into the off-premises station 100 in stopping using, make the pressure of refrigerant obtain whole equilibrium.Simultaneously, by the outdoor heat converter of the off-premises station in stopping using 100, refrigerant also carries out some heat exchanges.
When refrigerant supplies to indoor set 200 by above-mentioned altogether fluid-through tube 210, the branch's liquid pipe 210 by diverging to from fluid-through tube 210 altogether ', refrigerant supplies to each indoor set 200 in the work.Above-mentioned refrigerant carries out heat exchange at indoor heat converter 202 after above-mentioned expansion valve 204 decompressions.At this moment, above-mentioned indoor heat converter 202 plays the effect of evaporimeter, so refrigerant is converted into low pressure gas (gas) after by heat exchange.
The refrigerant of discharging from above-mentioned indoor heat converter 200, by above-mentioned minute bronchus 212 ' after, be collected in above-mentioned common tracheae 212.Then, flow into above-mentioned off-premises station 100.By above-mentioned common tracheae 212 and outdoor tracheae 212 " after flow into the refrigerant of above-mentioned off-premises station 100, flow into above-mentioned fluid reservoir 132 by cubic valve 124.
After above-mentioned fluid reservoir 132 filters out still unevaporated liquid refrigerants, have only gaseous coolant supply to above-mentioned compressor 120,120 '.Finish a circulation (cycle) by above-mentioned process.
When carrying out greenhouse work, the flow direction of refrigerant is opposite with above-mentioned process, and, on above-mentioned outdoor LEV102, adjust the amount of refrigerant.
Then, the air 100 li of above-mentioned off-premises stations flow to as follows: after the energising, said fans motor 172 is driven, along with above-mentioned Air Blast fan 170 also is driven.After above-mentioned Air Blast fan 170 rotations, air outside flow into the inside of above-mentioned off-premises station 100 by above-mentioned front grid 114 and back grid 190.
Flow into the air of the inside of above-mentioned off-premises station 100, in the time of by above-mentioned outdoor heat converter 180, carry out heat exchange.At this moment, when air-conditioner carried out cold-room work, air outside changed high temperature air into after being heated from above-mentioned outdoor heat converter 180.On the contrary, when carrying out greenhouse work, extraneous air loses heat at above-mentioned outdoor heat converter, thereby changes Cryogenic air into.
Air by above-mentioned outdoor heat converter 180 is forced to be sent to the top by above-mentioned Air Blast fan 170.At this moment, the above-mentioned air of above-mentioned ring cover 164 guiding is discharged to the top.
Above-mentioned invention be not be only limited in above-mentioned for example on.In above-mentioned technical scope, the technical staff who is proficient in its know-why can carry out more design variations based on the present invention.
Give an example: in above-mentioned example, though be provided with two compressors 120,120 ', only be to use a fluid reservoir 132.But two fluid reservoirs 132 are set, make it respectively be connected to compressor 120,120 ' also be possible.
Claims (4)
1. outdoor unit system of air conditioner, it is characterized in that: can be connected with on more than one off-premises station in the air-conditioner of a plurality of indoor sets, off-premises station is that the apparatus for supercooling etc. by a plurality of compressors of compression refrigerant, the heat exchanger that carries out heat exchange, cooling refrigerant partly constitutes.
2. outdoor unit system of air conditioner according to claim 1 is characterized in that: above-mentioned compressor is by the constant speed compressor that rotates with certain rotating speed with along with the variable frequency-changeable compressor of variation rotating speed of loading constitutes.
3. outdoor unit system of air conditioner according to claim 1 is characterized in that: above-mentioned apparatus for supercooling is to be made of double pipe.
4. outdoor unit system of air conditioner according to claim 3 is characterized in that: the refrigerant that is flowing on the inboard of above-mentioned double pipe and discharging from above-mentioned heat exchanger; Low temperature refrigerant is in the other direction flowing in the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410093653 CN1782559A (en) | 2004-11-29 | 2004-11-29 | Outdoor unit system of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410093653 CN1782559A (en) | 2004-11-29 | 2004-11-29 | Outdoor unit system of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1782559A true CN1782559A (en) | 2006-06-07 |
Family
ID=36773033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410093653 Pending CN1782559A (en) | 2004-11-29 | 2004-11-29 | Outdoor unit system of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1782559A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8281614B2 (en) | 2006-10-17 | 2012-10-09 | Lg Electronics Inc. | Water-cooled air conditioner |
-
2004
- 2004-11-29 CN CN 200410093653 patent/CN1782559A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8281614B2 (en) | 2006-10-17 | 2012-10-09 | Lg Electronics Inc. | Water-cooled air conditioner |
| US8286445B2 (en) | 2006-10-17 | 2012-10-16 | Lg Electronics Inc. | Water-cooled air conditioner |
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