CN1782550A - Top panel connection structure of outdoor unit of air conditioner - Google Patents

Abstract

The top panel connection structure of outdoor unit of air conditioner consists of a top right panel and a top left panel with corresponding combining lugs and slots in the bottom. The said top panel connection structure of outdoor unit of air conditioner has the advantages of simple combination and simple assembling operation of the top panels.

Description

The top panel connection structure of air-conditioner outdoor unit

Technical field

The invention belongs to air-conditioner, particularly relate to an a kind of side and be formed with the mutual firmly top panel connection structure of the air-conditioner outdoor unit of combination of a pair of top panel that the ring cover of air is discharged in guiding.

Background technology

Generally, air-conditioner is that the hot-air in the suction chamber is used after the refrigerant heat exchange of low temperature, with its effect repeatedly to indoor discharge, in the cool room or with refrigeration in the adverse effect heating chamber or heating, and form the machine of a series of freeze cycle by compressor-condenser-expansion valve-evaporimeter.

Recently except cooling and warming, after the contaminated air in the suction chamber is filtered, become peace and quiet air and become dried humid air to the indoor multiple additional functions such as dehumidification function that drop into again again to the indoor air-cleaning function that drops into again with many humid air.

And well-known air-conditioner roughly can be divided into detachable air conditioner and off-premises station and the integrally formed package AC plant of indoor set that off-premises station and indoor set are installed separately.

In addition, occurred recently when family is provided with air-conditioner more than 2, perhaps had in the device that in each office, installs an air-conditioner in the building of a plurality of offices, more effectively be suitable for the multi-split air conditioner of these situations.Such multi-split air conditioner is to connect most indoor sets, the effect that can obtain installing many divergence type air-conditioners on an off-premises station.

Fig. 1 is the state diagram that is provided with of prior art multi-split air conditioner, and Fig. 2 is the structure of diagram prior art multi-split air conditioner and the flowage structure figure that refrigerant flows.With reference to these as can be known, off-premises station 1 is by compressor 10, formations such as accumulator 20 and outdoor heat converter 30, and indoor set 50 is to be made of indoor heat converter 60 and expansion valve 70.

And, be connected with a plurality of indoor sets 50 on an off-premises station 1 in such multi-split air conditioner, connect high-voltage tube 80 with high pressure and low-voltage tube 90 between off-premises station 1 and the indoor set 50 separately with relative low pressure.

When air-conditioner carried out refrigeration as constituted above, the outdoor heat converter 30 of off-premises station 1 played the condenser effect of refrigerant of the gaseous state of the high temp/high pressure that condensation send from compressor 10.The refrigerant of condensation is delivered in the indoor heat converter 60 by the gaseous state that expansion valve 70 is expanded to low temperature/low pressure afterwards like this.

Refrigerant in the inflow indoor heat exchanger 60 is along with the refrigerant of two states of gaseous state that carries out heat exchange with room air, be transformed to being mixed with low temperature/low pressure and liquid condition.Such refrigerant is by delivering to 1 circulation that constitutes refrigerant in the compressor 10 again after the accumulator 20.

When heating effect as above-mentioned air-conditioner, the effect mobile and heat exchanger of refrigerant is just in time opposite.That is, the refrigerant of compression flows to the order of expansion valve 70 to outdoor heat converter 30 to indoor heat converter 60 with accumulator 20 in compressor 10.

At this moment, indoor heat converter 60 plays the condenser effect that refrigerant and room air by its inner HTHP are carried out heat exchange, and outdoor heat converter 30 also plays the evaporimeter effect that the low-temp low-pressure refrigerant that it is inner and outdoor air carry out heat exchange.

It among Fig. 3 to Fig. 5 the off-premises station 1 of prior art.As shown in these figures, the bottom is formed with the chassis 2 that a plurality of parts are installed, and the front end on such chassis 2 is provided with the front panel 4 that forms the front outward appearance.Front panel 4 is by the front upper panel 4 that is arranged on upside ' and be arranged on the front lower panel 4 of downside and " constitute.

Front lower panel 4 " on be provided with pipe arrangement casing 4 again " a.That is, front lower panel 4 " the lower end cut a part, such cut-away portions is communicated with pipe arrangement casing 4 " a sealing, pipe arrangement casing 4 " a direct high pressure pipe 80 and low-voltage tube 90 and is arranged on the indoor set 50.

Front upper panel 4 ' and front lower panel 4 " between be provided with central casing 6 again and guide installation.Front upper panel 4 ' the upper end be provided with again upper housing 6 ', such upper housing 6 ' on be combined with motor base 48 ' leading section.

The left and right sides side of front panel 4, promptly the front end left and right sides edge on chassis 2 is provided with the place ahead support 8.The place ahead support 8 is to form more longways up and down to support front panel 4 and side grid 34.

Chassis 2 is provided with compressor 10.Compressor 10 compression refrigerants make it become HTHP, and are arranged on the left and right sides separately.That is, be provided with on relative right side the constant speed compressor 10 that carries out constant speed drive ', the left side is provided with frequency-changeable compressor 10 ".

One side of compressor 10 is provided with oil eliminator 12 separately.Oil eliminator 12 is to filter the oil that is mixing from the refrigerant that compressor 10 is discharged, and reclaims to compressor 10.

With specified altitude assignment valve brace table 14 is set on the left side rearward end on chassis 2, is provided with and supports maintenance valve 16 in the upper end of valve brace table 14 separately.

The central portion on chassis 2, promptly constant speed compressor 10 ' and frequency-changeable compressor 10 " between be provided with accumulator 20.Accumulator 20 filter liquide refrigerants, only the refrigerant with gaseous state flows in compressor 10.

The upside of compressor 10 is provided with control box 22.Though not shown on the control box 22, be provided with the control assembly and the printed circuit board (PCB) of voltage transformer and electric capacity etc.Control box 22 has four jiaos of box-like shapes of front openings, and its front is provided with control and covers 22 ' come closed interior.

Outdoor heat converter 30 is set on the side end on chassis 2 and the rearward end.Outdoor heat converter 30 is that left and right sides Cheng Shuan is provided with, and makes between the refrigerant of internal flow and extraneous air and carry out heat exchange.

That is, the left side outdoor heat converter 30 of setting ' ' shape on the left side (the time marquis who sees from the top) ', the right side outdoor heat converter 30 of setting ' ' shape on the right side (when seeing) from the top ".And, be formed with the tube assembly 32 of the inflow of guiding refrigerant on the inlet of such outdoor heat converter 30 again, be formed with receiver 33 in its outlet.

Side grid 34 is set on the left-hand end on chassis 2 and the right-hand end, and back grid 36 is set on the rear end.Back grid 36 is provided with in pairs and is corresponding with outdoor heat converter 30.That is, by left side outdoor heat converter 30 ' the rear on be provided with back, left side grid 36 ' and right side outdoor heat converter 30 " back, the right side grid 36 that is provided with on the rear " constitute.

And, back, left side grid 36 ' and back, right side grid 36 " between be provided with the fixedly back support 38 of back grid 36, be formed with separately on the rear end left and right sides edge part on chassis 2 rear support 38 '.

The top outward appearance of off-premises station 1 is formed by top panel 40.Top panel 40 is made of four jiaos of flat boards with chassis 2 correspondences, be formed with on the central left and right sides a pair of passage 40 '.

Passage 40 ' above ring cover 42 is set.Ring cover 42 has outstanding upward drum shape, and guiding blowing fan 46 is to the air of outside discharge.The upper end of ring cover 42 is provided with discharges grid 44.

Ring cover 42 inboards are provided with blowing fan 46.The fan electromotor 48 that blowing fan 46 is provided with by the bottom rotates, and plays a part the air of inside is discharged to the outside.And fan electromotor 48 is by motor base 48 ' installation.

But as in the above-mentioned background technology following shortcoming is arranged.

On the top panel 40 in conjunction with a pair of ring cover 42.Thereupon, for coupling collar cover 42 needs other bonded block, so operation is numerous and diverse.

Summary of the invention

The present invention provides a kind of for solving the technical problem that exists in the known technology: a pair of ring covers on a pair of top panel integrally formed, and the mutual firmly top panel connection structure of the air-conditioner outdoor unit of combination of a pair of ring cover.

The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: the top panel connection structure of air-conditioner outdoor unit of the present invention, the structure of air-conditioner outdoor unit include the chassis; The chassis is provided with compressor; Outdoor heat converter; Also be provided with front panel, side panel and top panel on the chassis; Its top panel comprises by the top Left-Hand Panel that forms the left side of face outward appearance and forms the upper right panel of upper right outward appearance and guide the panel bonded block of top Left-Hand Panel and the combination of upper right panel to constitute.

Described panel bonded block is by corresponding mutually separately constituting in conjunction with projection and engagement groove of forming on top Left-Hand Panel and the upper right panel.

Described is the bottom surface that is formed on top Left-Hand Panel and upper right panel separately in conjunction with projection and engagement groove.

Described in conjunction with projection form Left-Hand Panel and upper right panel in the above first half or latter half of on.

Described is to give prominence to formation from top Left-Hand Panel or upper right panel to the side in conjunction with projection.

Have as constituted above according to the top panel connection structure of air-conditioner outdoor unit of the present invention, the advantage of the easy combination of a plurality of top panels is arranged.

Advantage and good effect that the present invention has are:

The top panel connection structure of air-conditioner outdoor unit of the present invention has following advantage.

In the top panel connection structure of air-conditioner outdoor unit, ring cover and top panel are integrally formed, so do not need other bonded block.Thereupon, can reduce bonded block and minimizing operation again.

And, be formed with a plurality of on a pair of top panel contact site separately in conjunction with projection and engagement groove.Thereupon, the top panel of both sides used in conjunction with projection and engagement groove mutually combine, then a pair of top panel is in conjunction with being over, so it is in conjunction with being easy to, so the simple effect of assembly operation is arranged.

Description of drawings

Fig. 1 is the state diagram that is provided with of prior art multi-split air conditioner;

Fig. 2 is the structure of prior art multi-split air conditioner and the flowage structure figure that refrigerant flows;

Fig. 3 is the stereogram of the off-premises station outward appearance of prior art air-conditioner;

Fig. 4 is the exploded perspective view of the structure of prior art air-conditioner outdoor unit;

Fig. 5 is the front panel inside front elevation of disassembly status of prior art air-conditioner outdoor unit;

Fig. 6 is the state diagram that is provided with 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 flowage structure figure that refrigerant flows;

Fig. 8 is the detailed structure view of air-conditioner outdoor unit of the present invention;

Fig. 9 is the stereogram of the outward appearance of air-conditioner outdoor unit of the present invention;

Figure 10 is the exploded perspective view of the structure of air-conditioner outdoor unit of the present invention;

Figure 11 is the front panel inside front elevation of disassembly status of multi-split air conditioner off-premises station of the present invention;

Figure 12 is the part exploded perspective view of released state of the top panel of multi-split air conditioner off-premises station of the present invention;

Figure 13 is the top panel stereogram of multi-split air conditioner off-premises station of the present invention;

Figure 14 is the top panel bottom isometric view of multi-split air conditioner off-premises station of the present invention.

The specific embodiment

Below, the present invention is described in detail with reference to drawings and Examples.

Fig. 6 is the state diagram that is provided with of multi-split air conditioner of the present invention, and Fig. 7 is the structure of multi-split air conditioner of the present invention and the flowage structure figure that refrigerant flows.As shown in the figure, off-premises station 100 by constant speed compressor 120 and frequency-changeable compressor 120 ', accumulator 132 and outdoor heat converter 180 and outdoor electronics valve 102 etc. constitute, indoor set 200 is made of indoor heat converter 202, expansion valve 204 etc.

In the multi-split air conditioner, connect a plurality of indoor sets 200 on the off-premises station 100 more than one or two, be communicated with the single pipe arrangement of working fluid refrigerant between off-premises station 100 and the indoor set 200, promptly common liquid pipe 210 and stream have the single pipe arrangement of gas coolant, and promptly common tracheae 212 forms.And connection is provided with the common pipe 214 of the high-low pressure of keeping the refrigerant equilibrium between the plural off-premises station 100.

The common pipe 214 of high-low pressure is for outdoor heat converter 180 arrival ends that are provided with on a plurality of off-premises stations 100 that are interconnected are provided with, and makes off-premises station 100 keep the equilibrium of refrigerant each other.And, also flow into refrigerant in the outdoor heat converter 180 of untapped off-premises station 100 in a plurality of off-premises stations 100, improve the effect of heat exchanger effectiveness on the whole so have.And high-low pressure is managed on 214 jointly according to freezing or heating the refrigerant that effect stream has high pressure or low pressure.

Being formed with stream in the indoor set 200 separately has branch's liquid pipe 210 of liquid coolant ' and stream have the branch bronchus 212 of gas coolant ', such branch's liquid pipe 210 ' and divide common liquid pipe 210 of bronchus 212 ' connections and tracheae 212 jointly.

And, as a plurality of branches liquid pipe 210 ' with divide bronchus 212 ' have nothing in common with each other according to its diameter of indoor set 200 capacity that is connected.

And being formed with stream in the off-premises station 100 separately has the outdoor liquid pipe 210 of liquid coolant " and stream has the outdoor tracheae 212 of gas coolant ", and so outdoor liquid pipe 210 " and outdoor tracheae 212 " is communicated with common liquid pipe 210 and common tracheae 212.

In Fig. 8 to Figure 14 the top panel of air-conditioner outdoor unit of the present invention and the air-conditioner outdoor unit structure that adopts such top panel.As shown in the figure, the chassis 110 that forms the bottom surface is arranged on bottom, is supporting a plurality of parts, and the front end on chassis 110 is provided with the front panel 112 that forms the front lower outward appearance.

The upside of front panel 112 is provided with front grid 114.Thereupon, suck extraneous air, by outdoor heat converter 180 by front grid 114.And the upside of front grid 114 is provided with front upper frame 116 again, is combined with the leading section of motor base 174 on the front upper frame 116.

Be provided with above the chassis 110 compressor 120,120 '.Compressor 120,120 ' be that compression refrigerant becomes HTHP, and be arranged on separately chassis 110 about.That is,, the variable-ratio heat pump is set promptly on the left side on the right side constant speed compressor 120 that carries out constant speed drive being set relatively, frequency-changeable compressor 120 '.

Compressor 120,120 ' arrival end coolant injection device 120a is set.Coolant injection device 120a be compressor 120,120 ' according to operation conditions in overheated, supply with the loss that refrigerant prevents compressor, here the refrigerant of Shi Yonging is preferably from the refrigerant of outdoor heat converter 180 discharges.

And, constant speed compressor 120 and frequency-changeable compressor 120 ' between be provided with oil equalizing pipe 121 be interconnected constant speed compressor 120 and frequency-changeable compressor 120 '.Thereupon, the fuel feeding deficiency takes place in the compressor of any side, then replenish from another compressor prevent because the compressor 120,120 that low on fuel causes ' loss.

Compressor 120, the 120 ' little efficient of use noise high screw compressor, particularly frequency-changeable compressor 120 ' be the frequency-changing cyclone compressor of adjusting revolution according to load capacity.Thereupon, use the indoor set 200 of minority and load capacity little the time, at first start frequency-changeable compressor 120 ', increase load capacity gradually, only single with frequency-changeable compressor 120 ' when can not bear, just start constant speed compressor 120.

Constant speed compressor 120 and frequency-changeable compressor 120 ' the port of export be provided with compressor discharge temperature sensor 120b, 120 ' b and the oil eliminator 122 of mensuration separately from the refrigerant temperature of compressor 120,120 ' discharge.Oil eliminator 122 filters the oil that is mixing from the refrigerant of compressor 120,120 ' discharge, and to compressor 120,120 ' interior recovery.

Drive compression machine 120,120 ' in, oil that uses for the frictional heat that taken place of cooling and refrigerant one in the same way compressor 120,120 ' outlet discharge, oil in such refrigerant separates with oil eliminator 122, and passes through oily recovery tube 123 to compressor 120,120 ' recovery.

And the port of export of oil eliminator 122 is provided with check valve 122 ' the prevent adverse current of refrigerant again.That is, only start constant speed compressor 120 or frequency-changeable compressor 120 ' in any one the time, prevent compressor 120, the 120 ' inner adverse current compression refrigerant in stopping.

Oil eliminator 122 is to be communicated with and to constitute with pipe arrangement and cross valve 124.Cross valve 124 is arranged to turn round according to cooling and warming the flow direction of conversion refrigerant, port separately and compressor 120,120 ' outlet (perhaps oil eliminator), compressor 120,120 ' inlet (perhaps accumulator), outdoor heat converter 180 and indoor set 200 be connected.

Thereupon, after the refrigerant of constant speed compressor 120 and frequency-changeable compressor 120 ' discharge gathers a place, flow into to cross valve 124, the inlet of such cross valve 124 be provided with control from the high pressure sensor 124 of the refrigerant pressure of compressor 120,120 ' discharge '.

In addition, can directly traverse cross valve 124 settings from oil eliminator 122 to the refrigerant part that cross valve 124 flows into to the hot gases tube 125 of accumulator 132 inputs.

Hot gases tube 125 is, in the running of air-conditioner, be necessary to improve in the refrigerant pressure of the low pressure that accumulator 132 flows into, can directly supply with to compressor 120,120 ' arrival end from the high pressure refrigerant of compressor 120,120 ' outlet end and be provided with, such hot gases tube 125 is provided with bypath valve promptly, hot gas valve 125 ' open and close pipe arrangement.

The top first half central authorities on chassis 110 are provided with valve brace table 126.Valve brace table 126 plays a part to support and guides outdoor liquid pipe 210 ", outdoor tracheae 212 ", high-low pressure to manage 214 jointly, and maintenance valve 128 also is arranged on here.And, the pipe arrangement gateway 188 of the pipe arrangement 210,212,214 that is supported by valve brace table 126 by side panel 188 ' draw and be connected on the off-premises station 100.

Be formed with supercooling machine 130 on the last left side of face rearward end on chassis 110.Supercooling machine 130 is further coolings from the refrigerant of outdoor heat converter 180 heat exchanges, and at outdoor liquid pipe 210 that the port of export of outdoor heat converter 180 connects " the optional position on form.

Supercooling machine 130 is to form with double pipe.That is outdoor liquid pipe 210, " be arranged on the inboard, and be formed with contrary transfer tube 130 in the outside '.Thereupon, from the outlet of supercooling machine 130 begin the contrary transfer tube 130 of branch ', so contrary transfer tube 130 ' on the supercooling expansion valve 130 ' a that cools off refrigerant with expansion is set.

Like this, the part of the refrigerant of discharging from supercooling machine 130 is to contrary transfer tube 130 ' inflows, and 130 ' a cools off through the supercooling expansion valve, and the refrigerant adverse current that is cooled has been the refrigerant that cooler 130 further cools off the inboard.The adverse current refrigerant that breaks away from supercooling machine 130 circulates to accumulator 132 supplies again.

The outlet of supercooling machine 130 is provided with the liquid pipe temperature sensor 130a of mensuration from the refrigerant temperature of off-premises station 100 discharges, the outlet of supercooling expansion valve 130 ' a is provided with the temperature that supercooling inlet sensor 130 ' b measures the adverse current refrigerant that flows into to supercooling machine 130, and stream has the contrary transfer tube 130 of the adverse current refrigerant of discharging from supercooling machine 130 ' supercooling is set export sensor 130 ' c.

Thereupon, the refrigerant by outdoor heat converter 180 flows by central portion and externally constitutes and is inflated valve (not shown) the low temperature refrigerant that expands is flowed round about, further reduces the temperature of refrigerant.

Guiding is from a side of supercooling machine 130, and promptly outdoor heat converter 180 refrigerant of discharging is to the outdoor liquid pipe 210 of indoor set 200 " a side be provided with drying machine 131.Drying machine 131 plays a part removal at the outdoor liquid pipe 210 " moisture that contains in the refrigerant that flows.

The central portion on chassis 110, promptly constant speed compressor 120 and frequency-changeable compressor 120 ' between accumulator 132 is set.Accumulator 132 filter liquide refrigerants, only with the refrigerant of gaseous state to compressor 120,120 ' inflow.

Promptly, from the refrigerant that indoor set 200 flows into, can not evaporate and with the refrigerant that liquid condition stays be fed directly to compressor 120,120 ' in, refrigerant is transformed into the compressor 120,120 of the gaseous state refrigerant of high temperature, high pressure ' go up increase load and bring compressor 120,120 ' damage.

Thereupon, in the inner refrigerants that flow into of accumulator 132, do not have enough time to evaporate and heavier with the refrigerant that liquid condition the stays gasiform refrigerant that compares, so be stored at the bottom of accumulator 132, and only the gaseous state refrigerant on top flowed into compressor 120,120 ' in.And the arrival end of accumulator 132 be provided with separately the suction pipe arrangement temperature sensor 132 of the refrigerant temperature that measure to suck ' and the low pressure sensor 132 of control refrigerant pressure ".

Each self-forming the place ahead support 134,134 of the front end both sides on chassis 110 '.The front end of the place ahead support 134,134 ' on the chassis 110 forms up and down more longways, and be divided into the left forward side support 134 that is provided with in left-hand end and the right forward side support 134 that is provided with at right-hand end '.

The place ahead support 134,134 ' play a part support front upper frame 116, front grid 114 and control box 140,140 '.And, left forward side support 134 and right forward side support 134 ' central portion on about be provided with central bracket 136.

The bottom of central bracket 136 be provided with control box 140,140 '.Control box 140,140 ' about it, form in pairs.Promptly, by the left side control box 140 that is provided with in the left side and the right side control box 140 that is provided with on the right side ' constitute, left side control box 140 is fixed with hinge 140a on the left side brackets 134 forwardly, the right side support 134 of right side control box 140 ' forwardly ' fix with hinge 140 ' a.

Control box 140,140 ' in have front openings separately four jiaos of box-like shapes, the place ahead is sealed by front panel 112.And, the control assembly of voltage transformer 142 and electric capacity 144 etc. and the elements and parts board 146 that generates heat are set on the left side control box 140.

The radiating part 146 that the back formation of heating elements and parts board 146 is made of fin '.In addition, the back of left side control box 140 upper end is provided with radiator fan 148, and such radiator fan 148 is made of axial-flow fan.Thereupon, radiator fan 148 sucks air and discharges upward, then promote radiating part 146 ' heat exchange cool off heating elements and parts board 146.

Control box 140,140 ' side be separately forwardly support 134,134 ' upward install with hinge 140a, 140 ' a, and serve as that axle can forwards rotate with such hinge 140a, 140 ' a.Thereupon, when needing the after-sale service of internal part, under the state that control box 140,140 ' is forwards rotated, carry out operation.

Dividing plate 150 is set on the central bracket 136.Dividing plate 150 divides off-premises station 100 inner area into upside space and lower side space.That is, zoning be provided with compressor 120,120 ' and control box 140,140 ' etc. downside and be provided with the upside of outdoor heat converter 180.

Dividing plate 150 is to be arranged on about it separately with control box 140,140 ' the same.And, such dividing plate 150 by the horizontal part 150 that rearward forms from central bracket 136 ' and from horizontal part 150 ' the rear end rake 150 that specified angle forms that tilts downwards " constitute.

And, in the dividing plate 150 left side dividing plate 150 horizontal part 150 ' on be formed with air guide holes 152, the upside of air guide holes 152 is provided with air pilot cap 154.Air pilot cap 154 is sealing the place ahead and tops and opens the rear and constitute, and guiding from the air of radiator fan 148 forced air supplies that are arranged on the bottom to the rear.

The top outward appearance of off-premises station 100 is formed by top panel 160.Top panel 160 has four jiaos of writing board shapes and is provided with in pairs about it.That is, top panel 160 is by the left side upper end that is arranged on off-premises station 100 and forms the top Left-Hand Panel 160 of left side of face outward appearance ' and be arranged on the upper end, right side upward and form the upper right panel 160 " formation of upper right outward appearance.

And, above Left-Hand Panel 160 ' and upper right panel 160 " on be formed with separately in conjunction with projection 160a and engagement groove 160b.In conjunction with projection 160a and engagement groove 160b be top Left-Hand Panel 160 ' and upper right panel 160 " mutually easily in conjunction with and constitute with the panel bonded block, and on the part that each panel is in contact with one another, form.

Promptly, in conjunction with projection 160a be by Left-Hand Panel 160 in the above ' the latter half of left side that forms of going up, right-hand end bottom surface in conjunction with projection 160 ' a and right panel 160 " left-hand end bottom surface first half on the right side that forms in conjunction with projection 160 " a formation in the above, engagement groove 160b be by Left-Hand Panel 160 in the above ' right-hand end bottom surface first half on left side engagement groove 160 ' b of forming and in the above right panel 160 " the latter half of last right side engagement groove 160 that forms in left-hand end bottom surface " b constitute.

And, be preferably formed as in conjunction with projection 160a and engagement groove 160b a plurality of, in conjunction with projection 160a to the outstanding definite part in side.Among thereupon, the left side is inserted in right side engagement groove 160 in conjunction with projection 160 ' a " among the b, and the right side is in conjunction with projection 160 " a is inserted in left side engagement groove 160 ' b, make top Left-Hand Panel 160 ' and upper right panel 160 " mutually combine.

And, above Left-Hand Panel 160 ' and upper right panel 160 " on be formed with passage 162 separately, the edge of passage 162 prolongs the ring cover 164 that is formed with drum type downwards.Ring cover 164 and top panel 160 are integrally formed, and the most handy plastic material constitutes.

Ring cover 164 is with the drum type moulding, and to the air of exterior guiding blowing fan 170 forced air supplies.And ring cover 164 upsides are promptly installed on the passage 162 and passage 162 mutual corresponding round discharge grids 166.

The inboard of ring cover 164 is provided with blowing fan 170.Blowing fan 170 is by fan electromotor 172 driven rotary that are provided with in the bottom, and the air of inside is discharged upward.That is, fan electromotor 172 is produced revolving force by the power supply from the outside input, and blowing fan 170 rotations fixing on rotating shaft one end of then such fan electromotor 172 are discharged air upward.

Fan electromotor 172 is fixed by motor base 174.Motor base 174 by the fixed head 174 of four jiaos of flat boards ' and support fixation plate 174 ' brace table 174 " constitute.Brace table 174 " formation in pairs about it, so a pair of brace table 174 " mounting plate 174 on the central portion '.And, brace table 174 " front-end and back-end crooked upward, be fixed on separately on front upper frame 116 and the back upper housing 194.

The bottom of top panel 160 is provided with outdoor heat converter 180.Outdoor heat converter 180 is for being provided with in pairs before and after it carrying out heat exchange between the refrigerant of internal flow and the extraneous air.That is, the back heat exchanger 184 by the front heat exchanger 182 of the leading section downside setting of panel 160 in the above and the rearward end downside setting of panel 160 in the above constitutes.

The Lower Half of front heat exchanger 182 is rearward crooked.That is, prolong the vertical component effect 182 of certain-length ' and " constitute downwards from the rake 182 that vertical component effect 182 ' lower end tilted rearward specified angle forms by leading section from front panel 112.

Thereupon, rake 182 " the lower end and the lower end of back heat exchanger 184 adjoin each other the be separated by distance of appointment of the lower end of outdoor heat converter 180 and chassis 110.And, the side of outdoor heat converter 180 be formed with again the tube assembly 180 that distributes to each several part from the refrigerant of compressor 120,120 ' supply '.

And, be provided with the heat-exchanger temperature sensor 180a of the temperature of measuring heat exchanger in outdoor heat converter 180 inside, and be provided with the outdoor temperature sensor 180b of the temperature of measuring the outside in the outside.

And the lower end downside of outdoor heat converter 180 is provided with drip tray 186.Drip tray 186 forms more longways to the left and right and assembles after the condensed water that outdoor heat converter 180 generates and discharge to the side.

The top left-hand end and the right-hand end on chassis 110 are provided with side panel 188.Side panel 188 is the side outward appearances that form off-premises station 100, and form separately before and after on the bottom pipe arrangement gateway 188 '.

The rear end on chassis 110 is provided with back grid 190.The size of back grid 190 and back heat exchanger 184 forms accordingly, and the downside of back grid 190 is provided with back faceplate panels 192.

The upper end of back grid 190 is formed with back upper housing 194 to the left and right more longways.Back upper housing 194 is arranged on the front, upper end of back grid 190 and the support bar 174 " rear ends of support motor base 174.

And, rear support 196 is set on the back edge on chassis 110.Rear support 196 forms and supports back grid 190 and back faceplate panels 192 and top panel 160 up and down more longways.

Below, the effect of multi-split air conditioner of the present invention is described with reference to Fig. 7 to Figure 14.

On one off-premises station 100, be connected with a plurality of indoor sets 200 in the air-conditioner of the present invention, move a part or all indoor sets 200 according to the selection of using.

Air-conditioner running refrigerating pattern, then open chamber exoelectron valve 102 flows refrigerant between off-premises station 100 and indoor set 200.

At first, illustrate that the refrigerant of off-premises station 100 flows, then the gas coolant that flows into from indoor set 200 enters into 132 li of accumulators through after the cross valve 124.The gas coolant that comes out from accumulator 132 is to compressor 120,120 ' interior inflow.In addition, to the cold medium shortage of compressor 120,120 ' supply, perhaps supply with refrigerant from coolant injection device 120a compressor 120,120 ' overheated the time.

Discharge and by oil eliminator 122 to outlet at the refrigerant of compressor 120,120 ' middle compression.Be separated in the oil that contains in the refrigerant in the oil eliminator 122, by oily recovery tube 123 to compressor 120,120 ' recovery.

That is, be blended in the refrigerant at compressor 120,120 ' middle compression refrigerant and with oil, such oil is liquid condition, and refrigerant is a gaseous state, so at gas-liquid separator, promptly separate in the oil eliminator 122.

In addition, connect constant speed compressor 120 and frequency-changeable compressor 120 ' oil equalizing pipe 121, make the oil of compressor 120, the 120 ' inside of both sides keep equilibrium.

Refrigerant by oil eliminator 122 flows in outdoor heat converter 180 through cross valve 124.And outdoor heat converter 180 becomes liquid coolant with condenser (refrigeration mode) effect so refrigerant cools off by the heat exchange of extraneous air.Refrigerant by outdoor heat converter 180 further cools off by supercooling machine 130.

Refrigerant by supercooling machine 130 is included in after the drying machine 131 of moisture in the refrigerant through removing, and flows into to indoor set 200 by common liquid pipe 210.And, by compressor 120,120 ' refrigerant in a part flow into to another off-premises station 100 by the common pipe 214 of high-low pressure.

The refrigerant of supplying with to another off-premises station 100 by the common pipe 214 of high-low pressure flow in the outdoor heat converter 180 of the off-premises station 100 in stopping, when making refrigerant pressure reach balanced on the whole, also can carry out the heat exchange of appointment by the outdoor heat converter 180 of the off-premises station in stopping 100.

Supply with refrigerants by common liquid pipe 210 to indoor set 200, then supply with refrigerants from the indoor set separately 200 of branch's liquid pipe 210 of common liquid pipe 210 branches ' to action.And such refrigerant reduces pressure in expansion valve 204 and carry out heat exchange on indoor heat converter 202.At this moment, indoor heat converter 202 plays a part evaporimeter, so refrigerant becomes low-pressure gas by heat exchange.

The refrigerant of discharging from indoor heat converter 202 is through dividing bronchus 212 ' after common tracheae 212 is assembled, inflow to off-premises station 100 in." refrigerant that flows into to off-premises station 100 enters into 132 li of accumulators through cross valve 124 by common tracheae 212 and outdoor tracheae 212.

At the be not able to do in time refrigerant of evaporated liquid state of accumulator 132 inner filtrations, the refrigerant that only selects gaseous state then is to compressor 120,120 ' supply.Finish a circulation through said process.

And, when turning round with heating mode, to the above-mentioned opposite direction refrigerant that flows, in outdoor electronics valve 102, adjust coolant quantity.

Secondly, illustrate that the air in off-premises station 100 flows, then the input fan electromotor 172 along with power supply drives blowing fan 170.Blowing fan 170 is rotated, and air outside flows into to inside by front grid 114 and back grid 190.

Carry out heat exchange to off-premises station 100 inner leaked-in airs through outdoor heat converter 180.At this moment, when air-conditioner played refrigeration, air outside was accepted the air that heat becomes high temperature from outdoor heat converter 180, on the contrary when heating running, was seized the air that heat becomes low temperature by outdoor heat converter 180.

Air by outdoor heat converter 180 is by blowing fan 170 forced air supply upward, and at this moment, ring cover 164 guiding air are discharged upward.

And, above-mentioned a pair of top panel 160 by the top panel 160 of both sides intersect to form mutually in conjunction with projection 160a and engagement groove 160b easily in conjunction with or separate.

The scope of the invention does not limit in the above-described embodiment, and those skilled in the art can carry out the many distortion based on the present invention in above-mentioned technical scope.

For example, in the foregoing description in conjunction with projection 160a be formed on separately top Left-Hand Panel 160 ' the latter half of and upper right panel 160 in right-hand end bottom surface " left-hand end bottom surface first half on; engagement groove 160b be formed on separately top Left-Hand Panel 160 ' right-hand end bottom surface first half and upper right panel 160 " the left-hand end bottom surface latter half of on, also be fine but obviously form in contrast.

Promptly, engagement groove 160b be formed on separately top Left-Hand Panel 160 ' right-hand end bottom surface first half and upper right panel 160 " the left-hand end bottom surface latter half of on, in conjunction with projection 160a be formed on separately top Left-Hand Panel 160 ' the latter half of and upper right panel 160 in right-hand end bottom surface " left-hand end bottom surface first half on also be fine.

Claims (5)

1, a kind of top panel connection structure of air-conditioner outdoor unit, the structure of air-conditioner outdoor unit includes the chassis; The chassis is provided with compressor; Outdoor heat converter; Also be provided with front panel, side panel and top panel on the chassis; It is characterized in that top panel comprises by the top Left-Hand Panel (160 ') that forms the left side of face outward appearance and form the upper right panel of upper right outward appearance (the panel bonded block of 160 ") and Left-Hand Panel and the combination of upper right panel above the guiding constitutes.

2, the top panel connection structure of air-conditioner outdoor unit according to claim 1 is characterized in that the panel bonded block is by corresponding mutually separately constituting in conjunction with projection (160a) and engagement groove (160b) of forming on top Left-Hand Panel and the upper right panel.

3, the top panel connection structure of air-conditioner outdoor unit according to claim 2 is characterized in that being formed on separately in conjunction with projection and engagement groove the bottom surface of top Left-Hand Panel and upper right panel.

4, according to the top panel connection structure of claim 2 or 3 described air-conditioner outdoor units, it is characterized in that in conjunction with projection form Left-Hand Panel and upper right panel in the above first half or latter half of on.

5,, it is characterized in that in conjunction with projection it being to give prominence to formation to the side from top Left-Hand Panel or upper right panel according to the top panel connection structure of claim 2 or 3 described air-conditioner outdoor units.

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