CN1952495A - Outdoor set of air-conditioner - Google Patents
Outdoor set of air-conditioner Download PDFInfo
- Publication number
- CN1952495A CN1952495A CNA2005100154335A CN200510015433A CN1952495A CN 1952495 A CN1952495 A CN 1952495A CN A2005100154335 A CNA2005100154335 A CN A2005100154335A CN 200510015433 A CN200510015433 A CN 200510015433A CN 1952495 A CN1952495 A CN 1952495A
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- air
- refrigerant
- compressor
- conditioner
- fluid reservoir
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- 239000012530 fluid Substances 0.000 claims abstract description 55
- 239000003507 refrigerant Substances 0.000 claims description 140
- 239000002826 coolant Substances 0.000 claims description 40
- 230000001143 conditioned effect Effects 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 abstract description 4
- 230000001351 cycling effect Effects 0.000 abstract 2
- 238000011084 recovery Methods 0.000 description 38
- 239000010687 lubricating oil Substances 0.000 description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000003921 oil Substances 0.000 description 9
- 238000007664 blowing Methods 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention relates to a air-conditioner outside unit, with electromagnetic valve on the fluid storage tank and no need to compensate cool medium, comprising bottom board 112 on which multiple parts are set and formed appearance; outdoor heat exchanger 130 set on the bottom board 112 and exchanged heat with outdoor air; compressor 170 supplying cool medium to the outdoor heat exchanger 130; fluid storage tank 200 dividing cool medium to the compressor 170 into air and fluid cool medium; and electromagnetic valve 240 set on one side of fluid storage tank 200 and controlling cycling quantity of cool medium. Air-container outside unit with said structure in the invention can form optimal cool medium cycling circuit and accomplish setting under no cool medium compensation or drainage by tubing difference.
Description
Technical field
The present invention relates to the off-premises station of air-conditioner, particularly relate to the off-premises station of the air-conditioner that magnetic valve is set on the fluid reservoir.
Background technology
Air-conditioner is the device that room air is remained on optimum state, can create pleasant environment in the summer of sweltering heat.Along with the raising of people to the environment requirement and the level of consumption, the demand of air-conditioner is constantly obtaining increasing.
Behind the hot-air, allow it and low temperature refrigerant carry out heat exchange in the air-conditioner suction chamber,, freeze indoor to indoor discharge cold air; Perhaps operate on the contrary, heat indoor.
The working cycles loop of air-conditioner is: the expansion valve of the condenser of the compressor of HTHP gaseous coolant → provide normal temperature high voltage liquid refrigerants → provide low-temp low-pressure liquid refrigerants → form by the evaporation of the liquid refrigerants evaporimeter of low temperature state is provided.
Recently, air-conditioner presents the development trend that increases the various additional functions except that freezing, heating.The air-cleaning function that filters the back, purifies air to indoor discharge such as, suction chamber internal contamination air, and suck the dehumidification function of discharging dry air behind the humid air etc.
As everyone knows, air-conditioner can be divided into the detachable air conditioner that sets up off-premises station and indoor set separately haply, is wholely set the integral air conditioner of off-premises station and indoor set.
Recently the air-conditioner that occurs be one family be provided with two with means for air conditioner or give have many between every office of building of office be provided with under the situation of air-conditioner and adopt.Air-conditioner connects the air-conditioner of many indoor sets on an off-premises station, can obtain being provided with the same effect of several detachable air conditioners.
Below, describe with reference to the off-premises station of accompanying drawing air-conditioner.
Fig. 1 is the refrigerant flow regime schematic diagram of the common air-conditioning device kind of refrigeration cycle of prior art.Fig. 2 is the common air-conditioning device off-premises station internal structure decomposing schematic representation of prior art.Fig. 3 is the common air-conditioning device off-premises station fluid reservoir generalized section of prior art.
Below, be that example describes with the air-conditioner of the operation of freezing.As shown in the figure, air-conditioner has the indoor heat converter B that carries out heat exchange with the conditioned space air.In indoor heat converter B, carry out the refrigerant of heat exchange,, flow into cross valve 12 along coolant piping with the air of conditioned space.
Flow into the refrigerant of cross valve 12, flow to the fluid reservoir 20 that refrigerant is separated into gaseous coolant and liquid refrigerants.Flow into the refrigerant of fluid reservoir 20 inside, be separated into gaseous coolant and liquid refrigerants.Gaseous coolant wherein flows to compressor 10.Compressor 10 is compressed into gaseous coolant the gaseous coolant of HTHP.
Be compressed into the refrigerant of HTHP in compressor 10 inside, flow into cross valve 12 along coolant piping.Flow into the HTHP gaseous coolant of cross valve 12, flow to outdoor heat converter 40 along pipe arrangement.
In outdoor heat converter 40, carry out the refrigerant of heat exchange, flow along pipe arrangement once more with extraneous air.Refrigerant along pipe arrangement flows under the effect of expansion valve A, is inflated into the low-temp low-pressure liquid refrigerants, flows to the inside of indoor heat converter B.The low-temp low-pressure liquid refrigerants of inflow indoor heat exchanger B inside carries out heat exchange with the air of conditioned space, is evaporated into the gaseous coolant of low-temp low-pressure, flows to cross valve 12.
By the above-mentioned circulation of carrying out repeatedly, the air-treatment of conditioned space is become the state of user's needs.
Below, with reference to Fig. 2 and Fig. 3, the air-conditioner outdoor unit that is operated in above-mentioned kind of refrigeration cycle is described.On off-premises station, the base plate 2 that forms the bottom surface outward appearance is arranged.At the front end of base plate 2, the front panel 4 that forms front appearance is arranged.In addition, off-premises station also has top board 50 that forms the end face outward appearance and the side panel that forms the side outward appearance (figure slightly).Above-mentioned a plurality of panel is assembled mutually, forms the outward appearance of off-premises station.
In addition, front panel 4 is divided into upper front plate 4 ' and lower front panel 4 ".In lower front panel 4 " on, be provided with pipe arrangement support (bracket) 4 " a.Pipe arrangement support 4 " a is used for sealing and is formed on lower front panel 4 by the excision mode " opening of lower end, right side, a plurality of pipes are inserted in its upper end, a plurality of pipes and indoor set internal communication.
In upper front plate 4 ' and lower front panel 4 " between, be provided with central bracket 6, guiding upper front plate 4 ' and lower front panel 4 " installation.Upper end at upper front plate 4 ' is provided with upper bracket 6 '.On upper bracket 6 ', the motor cabinet 58 ' that will illustrate below assembling.
The left and right sides side of plate 4 in front, i.e. the front end left and right sides corner portion of base plate 2, square bearer 8 before being provided with.Preceding square bearer 8 long being formed on longways on the above-below direction are supported front panel 4 and the following side grid 42 that will illustrate.
On base plate 2, be provided with compressor 10, be installed in left and right sides respectively.Compressor 10 is compressed into refrigerant the gaseous state shape of HTHP.In the compressor 10, the compressor that is installed in the right side is the constant speed compressor 10 ' that carries out the constant speed operation, and what be installed in the left side is variable speed compressor 10 ".
Side at each compressor 10 is respectively equipped with oil eliminator 14.The lubricating oil that is contained in the refrigerant that oil eliminator 14 separate compressors 10 are discharged.Obtain separated lubricating oil and be recycled to compressor 10, prevent that the phenomenon of lubricating oil deficiency from appearring in compressor 10.
At constant speed compressor 10 ' and variable speed compressor 10 " between, fluid reservoir 20 is installed.Fluid reservoir 20 respectively with constant speed compressor 10 ' and variable speed compressor 10 " is communicated with, allow constant speed compressor 10 ' and variable speed compressor 10 " the suction gaseous coolant.At the upside of compressor 10, be provided with control cabinet 30.Though diagram in the inside of control cabinet 30, is not provided with control assembly and circuit structures such as transformer, electric capacity.In the place ahead of control cabinet 30, be provided with controller cage 32, sealing control cabinet 32 inside.
Side end and rearward end at base plate 2 are provided with outdoor heat converter 40.Outdoor heat converter 40 is by the curved one-tenth of the many inflection of the pipe with certain diameter, and its internal flow refrigerant.Be flowing in the refrigerant of outdoor heat converter 40 inside, carry out heat exchange with outdoor air.Outdoor heat converter 40 is formed on left and right sides in pairs.
That is, outdoor heat converter 40 is by left side heat exchanger 40 ' that is positioned at the left side and the right side heat exchanger 40 that is positioned at the right side " constitute.When observing from the top, left side heat exchanger 40 ' has " " shape, right side heat exchanger 40 " have " " shape.
Left-hand end and right-hand end at base plate 2 are provided with side grid 42; The rear end is provided with back side grid 44.Back side grid 44 is corresponding with outdoor heat converter 40, forms in pairs.That is, side grid 44 by the back side, the left side grid 44 ' that is positioned at heat exchanger 40 ' rear, left side and be positioned at right side heat exchanger 40 " back side, the right side grid 44 at rear " constitute.
Left side back side grid 44 ' and the back side, right side grid 44 " between, the fixedly back side framework 46 of back side grid 44 be provided with; In left and right sides corner, the rear end of base plate 2 portion, be formed with back square bearer 48 ' respectively.
Upper end at side grid 42 and back side grid 44 is provided with top board 50.Top board 50 forms the end face outward appearance of off-premises station, and its central part is formed with a pair of passage 52, allows the air row who obtains heat exchange in off-premises station inside to the off-premises station outside.
End face periphery position at passage 52 is provided with cylindric exhaust shroud 54.The quantity of exhaust shroud 54 is corresponding with the quantity of passage 52, and guiding is by the flow direction of passage 52 rows to the off-premises station air outside.In the upper end of exhaust shroud 54, be provided with air exhausting grille 56.Air exhausting grille 56 prevents the top that outside foreign matter is opened by exhaust shroud 54, flows into off-premises station inside.
In the inboard of exhaust shroud 54, the blowing fan 57 of forcing blow air is installed.The power that blowing fan 57 receives fan electromotor 58 is rotated, and the air of off-premises station inside is arranged to the outside.After connecting power supply, fan electromotor 58 produces revolving force.
Here, the structure to fluid reservoir 20 describes.Fluid reservoir 20 is temporarily stored in inside to refrigerant, only allows gaseous coolant flow to compressor 10.The outward appearance of fluid reservoir 20 is formed by the housing that is roughly drum (housing) 22.
On the top of fluid reservoir 20, be inserted with refrigerant supply pipe 24.24 pairs of refrigerant supply pipes flow through the refrigerant that indoor heat converter B finishes heat exchange and carry out water conservancy diversion, make it to flow into fluid reservoir 20 inside.The bottom of refrigerant supply pipe 24 inserts in the middle part of fluid reservoir 20.
In the bottom of fluid reservoir 20, be provided with refrigerant recovering pipe 26.Gaseous coolant in the refrigerant of 26 pairs of inflows of refrigerant recovering pipe fluid reservoir, 20 inside carries out water conservancy diversion, makes it to flow to compressor 10.Refrigerant recovering pipe 26 runs through the bottom surface of Liquid Storage Cylinder Shell 22, upwards inserts in the fluid reservoir and also fixes, and its upper end is higher than the central part of housing 22, can only allow gaseous coolant flow into its inside.
In addition, in the bottom of refrigerant recovering pipe 26, more particularly, be inserted into the bottom of the refrigerant recovering pipe 26 of housing 22 inside, perforation is formed with lubricating oil recovery holes 26 '.Lubricating oil recovery holes 26 ' can allow and be mixed in lubricating oil in the fluid reservoir 20 inner refrigerants, is recycled in the compressor 10.
But, have the air-conditioner of said structure, there are the following problems.
In the air-conditioner that indoor set and off-premises station constitute, its refrigeration or heat closed circuit (Cycle) and just determine that when dispatching from the factory in order to form definite closed circuit, be provided with various pipe arrangements, the length of pipe arrangement is fixed.And, also be pre-charged with the circulation refrigerant that its amount conforms to piping length in the pipe arrangement.
Because the coolant quantity of filling is fixed, therefore, when the condition that is provided with according to product changes the length etc. of pipe arrangement, can not correspondingly replenish or reduce coolant quantity.
If can not replenish or reduce coolant quantity, then can not form best refrigeration or heat working cycles.
Summary of the invention
The present invention proposes in order to address the above problem, and its objective is provides a kind of air-conditioner outdoor unit with the fluid reservoir that can regulate refrigerant circulation.
Air-conditioner outdoor unit involved in the present invention comprises: form outward appearance and the base plate of a plurality of parts is installed on top; Be positioned at the upside of base plate, the outdoor heat converter that carries out heat exchange with outdoor air; Compressor to the inside of outdoor heat converter supply refrigerant; The refrigerant that flows to compressor is separated into the fluid reservoir of gaseous coolant and liquid refrigerants; Penetratingly be assembled in a side of fluid reservoir, only the refrigerant recovering pipe that gaseous coolant is reclaimed; Be positioned on the refrigerant recovering pipe magnetic valve that the internal circulating load of refrigerant is controlled.
The number of above-mentioned magnetic valve is more than 2.
Above-mentioned magnetic valve is assembled on the refrigerant recovering pipe.
Above-mentioned magnetic valve is controlled according to the temperature of conditioned space.
A plurality of magnetic valves can be controlled respectively.
Above-mentioned air-conditioner outdoor unit involved in the present invention, the fluid reservoir of portion is provided with a plurality of magnetic valves within it, and each magnetic valve can be controlled respectively independently, makes refrigerant circulation adjusted, the coolant quantity that control is reclaimed from fluid reservoir.
Thereby, circulating, flow into fluid reservoir at refrigerant when inner, refrigerant circulation that can be as required reclaims an amount of refrigerant.
In addition, even the refrigerant of air-conditioner is filled in closed circuit inside when manufacturing a product, also can be need not be according to on-the-spot situation is set, i.e. the conditions such as difference of coolant piping, that carries out refrigerant replenishes or emits operation.
Owing to need not carry out above-mentioned busy work when air-conditioner is set, therefore can shorten when being provided with and see, reduce service fee.
In addition,, can improve the service efficiency of refrigerant owing to control each magnetic valve individually, and then the service life that can improve air-conditioner, the surcharge when using air-conditioner can be reduced.
Description of drawings
Fig. 1 is the refrigerant flow regime schematic diagram of the common air-conditioning device kind of refrigeration cycle of prior art.
Fig. 2 is the common air-conditioning device off-premises station internal structure decomposing schematic representation of prior art.
Fig. 3 is the common air-conditioning device off-premises station fluid reservoir generalized section of prior art.
Fig. 4 is for adopting the air-conditioner kind of refrigeration cycle refrigerant flow regime schematic diagram of most preferred embodiment of the present invention.
Fig. 5 is for adopting the air-conditioner outdoor unit external structure schematic diagram of most preferred embodiment of the present invention.
Fig. 6 is for adopting the air-conditioner outdoor unit internal structure decomposing schematic representation of most preferred embodiment of the present invention.
Fig. 7 is for adopting the air-conditioner outdoor unit fluid reservoir side generalized section of most preferred embodiment of the present invention.
The explanation of accompanying drawing main mark
100: off-premises station 112: base plate
114: front panel 114 ': preceding square bearer
115: front grid 116: back side grid
116 ': back square bearer 117: backplate
118: side panel 118 ': the pipe arrangement gateway
120: top board 122: air exhausting grille
124: exhaust shroud (Shroud) 126: blowing fan
126 ': fan electromotor 128: motor cabinet
130: outdoor heat converter 132: the front heat exchanger
134: back side heat exchanger 140: drip tray
150: baffle plate (Barrier) 160: control cabinet
170: compressor 172: constant speed compressor
174: variable speed compressor 180: oil eliminator
182: cross valve 190: the valve support member
200: fluid reservoir 210: housing
212: filter (screen) 220: refrigerant supply pipe
230: 232: the 1 refrigerant recovering pipes of refrigerant recovering pipe
236: the 3 refrigerant recovering pipes of 234: the 2 refrigerant recovering pipes
238: the 4 refrigerant recovering pipes 240: magnetic valve
244: the 2 magnetic valves of 242: the 1 magnetic valves
248: the 4 magnetic valves of 246: the 3 magnetic valves
250: suction line 260: the lubricating oil recovery tube
262: the lubricating oil recovery holes
The specific embodiment
Below, with reference to accompanying drawing,, be elaborated to having the air-conditioner outdoor unit of above-mentioned fluid reservoir.
Fig. 4 is for adopting the air-conditioner kind of refrigeration cycle refrigerant flow regime schematic diagram of most preferred embodiment of the present invention.Fig. 5 is for adopting the air-conditioner outdoor unit external structure schematic diagram of most preferred embodiment of the present invention.
Below, be that example describes with the air-conditioner of the operation of freezing.As shown in Figure 4, air-conditioner has the indoor set (figure slightly) that the air of conditioned space is handled.In the inside of indoor set, be provided with indoor heat converter B.Be flowing in the refrigerant of indoor heat converter B inside and the air of conditioned space, carry out heat exchange, conditioned space is freezed.
In the inside of indoor heat converter B, the refrigerant that carries out heat exchange with the air of conditioned space flows along coolant piping, flows into cross valve 182 inside.The refrigerant that flows into cross valve 182 inside flows to fluid reservoir 200.Flow into the refrigerant of fluid reservoir 200 inside, be separated into gaseous coolant and liquid refrigerants.
In a side of fluid reservoir 200, the magnetic valve 240 that is provided with every certain altitude.Magnetic valve 240 is a kind of valves that carry out work according to the signal of telecommunication.Magnetic valve 240 can be to cut off or wide-open mode fully, and fluid flow is regulated.Controlled under the effect of power switch, can carry out Long-distance Control.
Separated gaseous coolant and the liquid refrigerants in the inside of fluid reservoir 200, its internal circulating load can be controlled by the magnetic valve 240 of certain height difference setting according to the temperature of conditioned space.
That is, when maximum, each magnetic valve 240 that is arranged on fluid reservoir 200 is all open, reclaims refrigerant, makes the internal circulating load of refrigerant reach maximum rating to the requirement of refrigerant circulation.And the internal circulating load of refrigerant is required hour, the 1st magnetic valve 242 that only is positioned at the superiors is open, is positioned at each magnetic valve sealing of the 1st magnetic valve 242 downsides, allows the internal circulating load of refrigerant reach minimum state.
From the fluid reservoir 200 inner gaseous coolants that reclaim, flow into compressor 170 inside.Compressor 170 is compressed into refrigerant the gaseous coolant of HTHP.Be compressed into the gaseous coolant of HTHP,, flow into outdoor heat converter 130 inside of carrying out heat exchange with extraneous air by cross valve 182.
The refrigerant of inflow outdoor heat exchanger 130 inside, carry out heat exchange with extraneous air after, by expansion valve A, inflow indoor heat exchanger B inside.Air-conditioner is regulated the air themperature of conditioned space by carrying out above-mentioned cycle operation repeatedly, makes it to keep optimum state.
Below, with reference to Fig. 5, the air-conditioner outdoor unit outward appearance is described.Air-conditioner outdoor unit 100 has the long rectangular shape of vertical extension by a plurality of panel be combined intos, and its inner space is equipped with a plurality of parts.
The outward appearance formation of off-premises station 100 comprises: the front panel 114 that forms a part of front appearance, front grid 115 that the rectangle that when off-premises station 100 extraneous airs enter foreign matter is filtered is netted and back side grid 116, be installed in the downside of back side grid 116, the backplate 117 of a part of back appearance of formation, form the side panel 118 of left and right side outward appearance.
In addition, the end face of off-premises station 100 is sealed by top board 120.Off-premises station 100 with the long rectangular shape of vertical extension, its each corner angle portion is provided with a plurality of frameworks of assembling a plurality of panels.
Here, said frame is described.At the front of off-premises station 100 left and right sides, be provided with the preceding square bearer 114 ' of assembling front panel 114 and side panel 118.Left and right sides is provided with the back square bearer 116 ' of assembling backplate 117 and side panel 118 overleaf.When observing from the top, preceding square bearer 114 ' and back square bearer 116 ' have the shape of vertical warpage.
Therefore, front panel 114 and side panel 118 are assembled with mutual plumbness.Backplate 117 and side panel 118 are also assembled with mutual plumbness.A plurality of panels and the framework vertically assembled can firmly support each corner angle portion of off-premises station 100, and its structure can not deform.
On top board 120, discoid air exhausting grille 122 is installed, form the part of off-premises station 100 end face outward appearances.Air exhausting grille 122 has common grille-like, prevents that foreign from flowing into off-premises station 100 inside.
Fig. 6 is for adopting the air-conditioner outdoor unit internal structure decomposing schematic representation of most preferred embodiment of the present invention.
Below, with reference to Fig. 6, air-conditioner outdoor unit 100 internal structures are elaborated.At the downside of air exhausting grille 122, more particularly, top board 120 is provided with the cylindric exhaust shroud 124 that top and bottom are in open state.Exhaust shroud 124 is used for water conservancy diversion from off-premises station 100 inner rows to air outside, is separately positioned on air exhausting grille 122 downsides of paired formation.
In the inside of air exhausting grille 124, be provided with blowing fan 126.Blowing fan 126 receives the power of fan electromotor 126 ', and the air of off-premises station 100 inside is discharged.Fan electromotor 126 ' utilizes the external power source of connecting to produce rotary power.
At the downside of fan electromotor 126 ', be provided with motor cabinet 128.Motor cabinet 128 is used for supports fan motor 126 '.Motor cabinet 128 has " U " shape shape substantially, and it is to the middle part of lower recess supports fan motor 126 ', and its upper end that projects upwards is assembled in the bottom surface of top board 120 by screw, and fan electromotor 126 ' is supported.
At the rear of front grid 115, be provided with outdoor heat converter 130.Outdoor heat converter 130 is formed by repeatedly crooked pipe.In the inside of outdoor heat converter 130, flowing as the refrigerant of working fluid, carry out heat exchange with the extraneous air that flows into off-premises station 100 inside.
Outdoor heat converter 130 is made of front heat exchanger 132 and back side heat exchanger 134.Front heat exchanger 132 carries out heat exchange with the extraneous air that flows into off-premises station 100 inside by front grid 115; Back side heat exchanger 134 carries out heat exchange with the extraneous air that flows into off-premises station 100 inside by back side grid 116.
The bottom of front heat exchanger 132 side-lower backward tilts.When having the structure that this side-lower backward tilts, can form the surface area of front heat exchanger 132 widelyer, make it to carry out heat exchange with more air, and, can also the water conservancy diversion condensed water flow.The width of back side heat exchanger 134 is corresponding with the width of back side grid 116.
Downside in the lower end of outdoor heat converter 130 is provided with drip tray 140.The middle part of drip tray 140 is used for the condensed water that produces when collecting chamber outer heat-exchanger 130 and extraneous air carry out heat exchange to lower recess.
That is, at the refrigerant of outdoor heat converter 130 internal flows when flowing into extraneous air in the off-premises station 100 and carry out heat exchange, on outdoor heat converter 130 surfaces, because temperature difference formation condensed water.Condensed water flows downward along outdoor heat converter 130 surfaces, and the condensed water that flows downward is assembled by the drip tray 140 of medial recess.Discharged to off-premises station 100 outsides by the condensed water that drip tray 140 is assembled, can not be trapped in off-premises station 100 inside.
In the place ahead of drip tray 140, be provided with baffle plate 150.Baffle plate 150 is the rectangular plate shape structure, its latter half of downward proceeds posterolateral warpage.That is, the shape that tilts of side-lower is corresponding backward with the bottom of front heat exchanger 132, warpage ground formation baffle plate 150 latter half of.Under the effect of baffle plate 150, the inner space of off-premises station 100 is divided into the upper and lower part.
At the downside of baffle plate 150, about be formed with control cabinet 160 in pairs.Control cabinet 160 has the positive open box structure of cuboid.In the inside of control cabinet 160, be provided with the various parts that comprise microprocessor, the work of off-premises station 100 is controlled.The front of the opening of control cabinet 160 is installed in the back side of front panel 114, and protection is formed on the various parts of its inside.
Left and right sides on base plate 112 is provided with compressor 170.Compressor 170 receives gaseous coolant from fluid reservoir 200, and it is compressed into the HTHP gaseous coolant.Compressor 170 comprises the constant speed compressor 172 that carries out constant speed operation and as the variable speed compressor 174 of variable-ratio heat pump (Variable Speed Pump).
As constant speed compressor 172, adopt the turbo-compressor that noise is low, efficient is high.Constant speed compressor 172 is used when bearing power requires to hang down; And variable speed compressor 174, is used in the time can't only requiring with constant speed compressor 172 reply bearing powers together according to the load variations speed governing.
Side at constant speed compressor 172 and variable speed compressor 174 is provided with oil eliminator 180.Oil eliminator 180 is drawn the lubricating oil that refrigerant contained of compressor 170 supplies, makes it to flow into again compressor 170 inside.
When 170 pairs of refrigerants of compressor compress, can produce very high heat.Lubricating oil is used for the frictional heat that the cooling compressor compression produces.When lubricating oil carries out work at compressor 170, arrange outlet, discharge and the lubricating oil that the loses frictional heat during cooling compressor 170 work more just with refrigerant to compressor 170 with refrigerant.
In order to allow the temperature of compressor 170 be no more than certain value, need be to the compressor 170 inner lubricating oil that are equivalent to loss amount that replenish.Oil eliminator 180 is supplied to compressor 170 to the lubricating oil that reclaims, with the lubricating oil of replenish lost.
Oil eliminator 180 is communicated with cross valve 182.Cross valve 182 is according to the flow direction of the service condition conversion refrigerant that freezes or heat, and each valve is connected with compressor 170, oil eliminator 180, outdoor heat converter 130 and indoor set (figure slightly).
First half on base plate 112 is equipped with valve support member 190.Valve support member 190 supports many pipe arrangements, makes it the top maintenance certain intervals with base plate 112.By many pipe arrangements that valve support member 190 supports, the pipe arrangement gateway 118 ' that is formed on rear, side panel 118 bottom by perforation is connected with indoor set (figure slightly).
In the left side of base plate 112 rearward end, be provided with condenser 192.Carry out the outdoor heat converter 130 inner refrigerants that obtain cooling off after the heat exchange with air, under the effect of condenser 192, obtain further cooling off again.
In addition, at the middle part of base plate 112, be between constant speed compressor 172 and the variable speed compressor 174, be provided with fluid reservoir 200 involved in the present invention.The refrigerant of indoor set (figure slightly) flows into fluid reservoir 200 inside, and refrigerant flows into fluid reservoir 200 inside with the gas-liquid mixed state.
Refrigerant so that the gas-liquid mixed state flows into obtains separating in fluid reservoir 200 inside, is separated into gaseous coolant and liquid refrigerants, has only gaseous coolant to flow into compressor 170 inside.
Fig. 7 is the side generalized section of the air-conditioner outdoor unit fluid reservoir of employing most preferred embodiment of the present invention.Below, with reference to Fig. 7, the fluid reservoir 200 that the present invention relates to is elaborated.Above-mentioned fluid reservoir 200 is roughly drum, is formed with housing 210, allows refrigerant flow into the inner space.
At the middle part of the end face of housing 210, penetratingly be provided with and allow refrigerant flow into its inner refrigerant supply pipe 220.Refrigerant supply pipe 220 is formed by the pipe with certain diameter.The inside of the inside of this pipe and housing 210 is interconnected.
The lower end of refrigerant supply pipe 220 is inserted certain-length downwards from housing 210 upper ends, is positioned at the below of housing 210 upper ends.At the lower end of refrigerant supply pipe 220 downside, be formed with screen pack (screen) 212, above-mentioned housing 210 internal separation are become two spaces.
In lower side space one side of screen pack 212, the side of running through housing 210 is formed with refrigerant recovering pipe 230.Refrigerant recovering pipe 230 is arranged on the side of housing 210 at regular intervals.
In more detail,, run through the side of housing 210, be formed with the 1st refrigerant recovering pipe (below be referred to as the 1st recovery tube) 232 on the top of screen pack 212 lower side space.The 1st recovery tube 232 is inserted in the inside of housing 210 by certain-length.Below the 1st recovery tube 232,, be formed with the 2nd refrigerant recovering pipe that runs through housing 210 1 sides, be inserted in its inside (below be referred to as the 2nd recovery tube) 234 across certain intervals.
Below the 2nd recovery tube 234, across certain intervals, the 3rd refrigerant recovering pipe that be formed with the side of running through housing 210, is inserted in its inside (below be referred to as the 3rd recovery tube) 236.
Below the 3rd recovery tube 236,, be formed with the 4th refrigerant recovering pipe that runs through above-mentioned housing 210 1 sides, be inserted in its inside (below be referred to as the 4th recovery tube) 238 across certain intervals.
That is,, at regular intervals, be formed with the 1st recovery tube the 232, the 2nd recovery tube the 234, the 3rd recovery tube the 236, the 4th recovery tube 238 downwards successively in the lower side space of screen pack 212.Its inboard is inserted in the side that these refrigerant recovering pipes 230 run through housing 210.In addition, above-mentioned refrigerant recovering pipe 230 is formed by the pipe with certain diameter, with the internal communication of housing 210.
In addition, on refrigerant recovering pipe 230, be provided with magnetic valve 240.Magnetic valve 240 is the valves that carry out work according to the signal of telecommunication, can carry out Long-distance Control.Promptly, be provided with the 1st magnetic valve (below be referred to as the 1st valve) 242 on the 1st recovery tube 232, be provided with the 2nd magnetic valve (below be referred to as the 2nd valve) 244 on the 2nd recovery tube 234, be provided with the 3rd magnetic valve (below be referred to as the 3rd valve) 246 on the 3rd recovery tube 236, be provided with the 4th magnetic valve (below be referred to as the 4th valve) 248 on the 4th recovery tube 238.
One end of refrigerant recovering pipe 230, its inboard is inserted in a side of running through housing 210.The other end of refrigerant recovering pipe 230 is connected with suction line 250.That is, an end of the 1st recovery tube the 232, the 2nd recovery tube the 234, the 3rd recovery tube the 236, the 4th recovery tube 238 is positioned at the inside of housing 210, and the other end is communicated with suction line 250, thereby refrigerant recovering pipe 230 is communicated with suction line 250.Refrigerant by refrigerant recovering pipe 230 reclaims flows through suction line 250, flows to compressor 170 inside.
Middle part, bottom surface at housing 210 is penetratingly inserting lubricating oil recovery tube 260.Lubricating oil recovery tube 260 is formed by the pipe with certain diameter.Pipe runs through the bottom surface of housing 210, upwards is inserted into the inside of housing 210 by certain-length.
Running through housing 210, upwards entering on its inner lubricating oil recovery tube 260, perforation is formed with lubricating oil recovery holes 262.Lubricating oil recovery holes 262 is positioned at the upside of housing 210 bottom surfaces, and is positioned at the downside of the 4th recovery tube 238.
One end of lubricating oil recovery tube 260 is positioned at the inside of housing 210, and the other end is communicated with suction line 250.Thereby the lubricating oil (oil) by lubricating oil recovery holes 262 flows into by lubricating oil recovery tube 260, flows into suction line 250 inside.The lubricating oil that flows into suction line 250 inside flows along suction line 250, flows into compressor 170 inside, cooling compressor 170.
Below, the operation principle of air conditioner room unit 100 of the present invention is described.
At first, the user connects power supply in order to regulate indoor temperature to air-conditioner.Behind air-conditioning connection power supply, indoor set (figure slightly) and off-premises station 100 interlocks carry out work.The fan electromotor 126 ' of off-premises station 100 inside carries out work, produces rotary power.
When fan electromotor 126 ' produced rotary power, the blowing fan 126 that combines with fan electromotor 126 ' was rotated.During blowing fan 126 rotations, the air of off-premises station 100 inside begins to flow.When the air of off-premises station 100 inside flowed, extraneous air flowed into off-premises station 100 inside by front grid 115 and back side grid 116.
Flow into the extraneous air of off-premises station 100 inside, carry out heat exchange with the refrigerant of outdoor heat converter 130 inside.Afterwards, air is arranged to off-premises station 100 outsides by air exhausting grille 122 under the turning effort of blowing fan 126.
In addition, when off-premises station 100 was connected power supply, compressor 170 was compressed into refrigerant the gaseous coolant of HTHP.Refrigerant by compressor 170 compresses by cross valve 182, flows to outdoor heat converter 130 inside.
The refrigerant of inflow outdoor heat exchanger 130 inside, carry out heat exchange with extraneous air after, by expansion valve A, flow into indoor set (figure is slightly) inside.Flow into the refrigerant of indoor set inside, carry out heat exchange with the air of conditioned space after, flow through cross valve 182, flow into fluid reservoir 200 inside.
Flow into the refrigerant of fluid reservoir 200 inside, filtered foreign matter by the screen pack 212 of fluid reservoir 200 inside.Be filtered the refrigerant that net 212 filters foreign matter, be separated into gaseous coolant and liquid refrigerants in fluid reservoir 200 inside, gaseous coolant flows into suction line 250 by refrigerant recovering pipe 230, flows to compressor 170 along suction line 250.
Here, the piping length that extends if desired at that time that installs an air-conditioner then needs to allow the internal circulating load of refrigerant correspondingly increase.When the refrigerant circulation of needs is maximum, all open the 1st valve 242 to the 4th valves 248, all gaseous coolants that allow fluid reservoir 200 separate flow to suction line 250, can allow refrigerant circulation be in the maximum state.
On the contrary, install an air-conditioner and shorten piping length at that time if desired, then need to allow the internal circulating load of refrigerant correspondingly reduce.When the refrigerant circulation of needs is minimum of a value, be positioned at the 4th valve 248 of the 4th recovery tube 238 of lower side in the only open refrigerant recovering pipe 230, allow gaseous coolant only flow into the 4th recovery tube 238, can allow refrigerant circulation be in minimum state.
In addition, also can magnetic valve 240 be controlled, regulate refrigerant circulation according to the temperature of conditioned space.That is, when air-conditioner freezes operation, if the temperature of conditioned space is than higher, then all open each valve of magnetic valve 240, make refrigerant circulation be in the maximum state, allow the air of conditioned space and refrigerant carry out heat exchange to greatest extent, so that allow the air of conditioned space lower the temperature quickly.
When the temperature of conditioned space is hanged down, be positioned at the 1st valve 242 of top side in the only open magnetic valve 240, allow the internal circulating load of refrigerant be in minimum state, make the air Min. ground of conditioned space carry out heat exchange, the air of the conditioned space of lowering the temperature more lentamente with refrigerant.Certainly, under this situation, in indoor set (figure slightly), be provided with the temperature sensor that detects the conditioned space air themperature.
In addition, magnetic valve 240 is subjected to the control of microprocessor, is connected with the temperature sensor of indoor set.After being positioned at the temperature sensor detection conditioned space temperature of indoor set, transmit temperature signals, be sent to the control cabinet 160 of off-premises station 100 inside to off-premises station 100.At this moment, the microprocessor of control cabinet 160 inside is according to temperature signal, and control magnetic valve 240 is worked.
In addition, flow into the refrigerant of fluid reservoir 200 inside, be separated into gaseous coolant and liquid refrigerants.Here, have only gaseous coolant to flow into the inside of compressor 170.Flow into the lubricating oil of fluid reservoir 200 inside with refrigerant,, flow into lubricating oil recovery tube 260, flow to compressor 170 inside along lubricating oil recovery tube 260 by the lubricating oil recovery holes.
Carry out above-mentioned circulation repeatedly by refrigerant, the air themperature of conditioned space is regulated.
Protection scope of the present invention is not subject to the foregoing description, in above-mentioned technical scope, for industry those skilled in the art, can be that other a lot of distortion are carried out on the basis with the present invention.
Claims (5)
1, a kind of air-conditioner outdoor unit, it comprises: the base plate that a plurality of parts are installed on top when forming outward appearance, be positioned at the upside of base plate and the outdoor heat converter that outdoor air carries out heat exchange, compressor to the inside of outdoor heat converter supply refrigerant, the refrigerant that flows to compressor is separated into the fluid reservoir of gaseous coolant and liquid refrigerants, penetratingly is assembled in a side of fluid reservoir and the refrigerant recovering pipe that only gaseous coolant is reclaimed; It is characterized in that: the magnetic valve that the internal circulating load of refrigerant is controlled is set on the refrigerant recovering pipe.
2, air-conditioner outdoor unit according to claim 1 is characterized in that, the number of the magnetic valve that is provided with on the refrigerant recovering pipe is more than 2.
3, air-conditioner outdoor unit according to claim 1 is characterized in that, magnetic valve is assembled on the refrigerant recovering pipe.
4, the electromagnetic valve control method of air-conditioner outdoor unit according to claim 1 is characterized in that, magnetic valve is controlled according to the temperature of conditioned space.
5, the electromagnetic valve control method of air-conditioner outdoor unit according to claim 4 is characterized in that, a plurality of magnetic valves can be controlled respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100154335A CN1952495A (en) | 2005-10-17 | 2005-10-17 | Outdoor set of air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100154335A CN1952495A (en) | 2005-10-17 | 2005-10-17 | Outdoor set of air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1952495A true CN1952495A (en) | 2007-04-25 |
Family
ID=38058957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100154335A Pending CN1952495A (en) | 2005-10-17 | 2005-10-17 | Outdoor set of air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1952495A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706057A (en) * | 2012-06-26 | 2012-10-03 | 海尔集团公司 | Air conditioner and method and device for controlling flowing of refrigerant of air conditioner |
| CN107314579A (en) * | 2017-06-23 | 2017-11-03 | 青岛海信日立空调系统有限公司 | The control method of gas-liquid separator, air conditioner and air conditioner |
| CN109140845A (en) * | 2018-08-23 | 2019-01-04 | 特灵空调系统(中国)有限公司 | Liquid storage device and heat pump system with it |
| CN111503914A (en) * | 2019-01-31 | 2020-08-07 | 日立江森自控空调有限公司 | Refrigerant distribution adjusting device, air conditioning system and air conditioning system control method |
| CN111765528A (en) * | 2020-05-19 | 2020-10-13 | 海信（山东）空调有限公司 | Air conditioner system |
-
2005
- 2005-10-17 CN CNA2005100154335A patent/CN1952495A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706057A (en) * | 2012-06-26 | 2012-10-03 | 海尔集团公司 | Air conditioner and method and device for controlling flowing of refrigerant of air conditioner |
| CN102706057B (en) * | 2012-06-26 | 2016-04-27 | 海尔集团公司 | The method and apparatus of air-conditioning and the flowing of control air conditioner coolant |
| CN107314579A (en) * | 2017-06-23 | 2017-11-03 | 青岛海信日立空调系统有限公司 | The control method of gas-liquid separator, air conditioner and air conditioner |
| CN109140845A (en) * | 2018-08-23 | 2019-01-04 | 特灵空调系统(中国)有限公司 | Liquid storage device and heat pump system with it |
| CN109140845B (en) * | 2018-08-23 | 2020-10-02 | 特灵空调系统(中国)有限公司 | Accumulator and heat pump system having the same |
| CN111503914A (en) * | 2019-01-31 | 2020-08-07 | 日立江森自控空调有限公司 | Refrigerant distribution adjusting device, air conditioning system and air conditioning system control method |
| CN111503914B (en) * | 2019-01-31 | 2022-07-15 | 日立江森自控空调有限公司 | Refrigerant distribution adjusting device, air conditioning system and air conditioning system control method |
| CN111765528A (en) * | 2020-05-19 | 2020-10-13 | 海信（山东）空调有限公司 | Air conditioner system |
| CN111765528B (en) * | 2020-05-19 | 2022-05-20 | 海信（山东）空调有限公司 | Air conditioner system |
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