CN1752629A - Central air conditioner - Google Patents
Central air conditioner Download PDFInfo
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- CN1752629A CN1752629A CN 200410072104 CN200410072104A CN1752629A CN 1752629 A CN1752629 A CN 1752629A CN 200410072104 CN200410072104 CN 200410072104 CN 200410072104 A CN200410072104 A CN 200410072104A CN 1752629 A CN1752629 A CN 1752629A
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Abstract
The present invention discloses a kind of central air conditioning equipment. It includes outdoor machine with outdoor heat exchanger capable of making heat exchange with outdoor air, several indoor machines with indoor heat exchanger capable of making heat exchange with indoor air and distributor for controlling flow of refrigerant between outdoor machine and several indoor machines. In the interior of described distributor several electromagnetic expansion valves for regulating refrigerant flow and several silencers for eliminating noise are set.
Description
Technical field
What the present invention relates to is air-conditioning.What be particularly related to is the central air-conditioning that distributor is arranged
Background technology
Air-conditioning is to carry out heat exchange with it with the low temperature refrigerant behind the hot-air in a kind of suction chamber, and heat-exchanged air is arranged to indoor equipment.Air-conditioning freezes to indoor by carrying out heat exchange repeatedly, perhaps by carrying out the operation heating room air opposite with said process.Air-conditioning is shaped as a kind of loop by compressor-condenser-expansion valve-evaporator bank.
The air-conditioning of additional functions such as air filtering function and dehumidification function has also appearred having on the market recently.This air-conditioning is after the air filtration with indoor pollution, to discharge clean air.After also can sucking humid air, dehumidify, discharge dry air.
As everyone knows, air-conditioning is divided into separation type air-conditioning and integral air conditioner substantially.The indoor set and the off-premises station of separation type air-conditioning are separate, and are arranged at indoor and outdoors respectively.The indoor set of integral air conditioner and off-premises station form one.
Recently, in one family, need to be provided with the air-conditioning more than two or when every office all needs air-conditioning is set in the building of office between many, adopt central air-conditioning usually.Central air-conditioning is to connect several indoor sets on an off-premises station, and its effect is identical with the effect that several indoor sets are set.
Above-mentioned central air-conditioning has an off-premises station that the refrigerant deliverability is very strong, and it is arranged on the building outside, and the refrigerant of off-premises station is assigned to the indoor set in each room.Distribute the operation of refrigerant to be undertaken by distributor.
Fig. 1 is existing central air-conditioning structural representation block diagram.The refrigerant path that shows central air-conditioning among the figure.As shown in the figure, there is off-premises station 10 outside.The compressor (figure slightly) that carries out the outdoor heat converter (figure slightly) of heat exchange with outdoor air and refrigerant is compressed into high-temperature high-pressure state is arranged in the off-premises station 10.
There is indoor set 20 indoor.Indoor heat exchanger (figure slightly) is arranged in the indoor set 20, and indoor heat converter utilizes the refrigerant of off-premises station 10 supplies, carries out heat exchange with room air.Be provided with a plurality of distributors 30 between off-premises station 10 and the Duo Tai indoor set 20, before each distributor 30 was formed on each indoor set 20 respectively separately, the refrigerant between control off-premises station 10 and the indoor set 20 flowed.
The refrigerant of off-premises station 10 supplies carries out heat exchange by the air of several indoor sets 20 and each interior space R, regulates the temperature of each interior space R.Be formed on the distributor 30 between off-premises station 10 and each indoor set 20, the refrigerant of regulating between indoor set 20 and the off-premises station 10 flows.
That is, the refrigerant of off-premises station 10 flows to indoor set 20 by distributor 30 with suitable flow.Each indoor set 20 has corresponding distributor respectively, and control flow into the cold medium flux of each indoor set 20 respectively.
Fig. 2 and Fig. 3 are in the central air-conditioning of conventional art, the important composition parts---dispensing arrangement shape and internal structure schematic diagram.As shown in the figure, distributor 30 is made up of shell 40, outdoor piping connecting portion 42 and indoor tube connecting portion 44.Shell 40 forms the outward appearance of distributor 30.Outdoor piping connecting portion 42 is connected with indoor pipe arrangement 54 with the outside pipe arrangement 52 of indoor tube connecting portion 44 with the circulation refrigerant.
Shell 40 has the regular hexahedron shape substantially, protection distributor 30 inner components.One side of shell 40 is provided with outdoor piping connecting portion 42 and indoor tube connecting portion 44, is connected with indoor pipe arrangement 54 with outside pipe arrangement 52 respectively.The refrigerant of off-premises station 10 is fed to indoor set 20 by indoor pipe arrangement 54 after flowing into by outside pipe arrangement 52.
The electromagnetic expanding valve 60 that input pipe arrangement 56 connects is to the refrigerant decompression that flows into from off-premises station 10, and regulates to indoor set 20 refrigerant is provided.
One side of electromagnetic expanding valve 60 connects input pipe arrangement 56, and its opposite side connects output pipe arrangement 62.One side of output pipe arrangement 62 is connected with electromagnetic expanding valve 60, tubing connection portion 44 in its opposite side junction chamber.The refrigerant that is reduced pressure by electromagnetic expanding valve 60 in distributor 30 inside flows to distributor 30 outsides by output pipe arrangement 62.
Refrigerant flows to from shell 40 by outdoor piping connecting portion 42, flows out from shell 40 by indoor tube connecting portion 44 again.Under the effect of refrigerant, the globule can appear in the surface of input pipe arrangement 56 and output pipe arrangement 62.In order to prevent the globule, the peripheral surface of input pipe arrangement 56 and output pipe arrangement 62 is formed with thermal insulation barriers 70.
Electromagnetic expanding valve 60 is regulated by the control part of outside (figure slightly).The connecting line 72 that connects electromagnetic expanding valve 60 and control part is exposed at the outside of distributor 30 shells 40, extends to be connected on the control part of indoor set 20.
Central air-conditioning operation principle to the said structure prior art is described as follows below.
Be below with the refrigeration operation be example, describe.The compressor of off-premises station 10 inside (figure slightly) is compressed into high-temperature high-pressure state to refrigerant.HTHP attitude refrigerant during the outdoor heat converter of flowing through (figure slightly), carries out heat exchange with outdoor air, and by the high-voltage tube 12 as the high pressure coolant path, the flow direction need be carried out each interior space R of air cleaning.
By the refrigerant that high-voltage tube 12 flows, be divided to each interior space R after, flow to the indoor set 20 among each interior space R.
Between off-premises station 10 and indoor set 20, be provided with distributor 30.Distributor 30 is equipped with the electromagnetic expanding valve 60 of regulating cold medium flux.Therefore, the refrigerant of off-premises station 10 is pressed the demand supply at indoor set 20 under the effect of distributor 30.Every indoor set 20 of every interior space R is connected with a distributor 30 respectively, and control flows to the cold medium flux of each indoor set 20 independently.
Flow into the refrigerant of indoor set 20, carry out heat exchange with room air, regulate the temperature of interior space R by indoor heat converter (figure slightly).The flow through refrigerant of indoor heat converter flows to off-premises station 10 by the low-voltage tube 14 as the low pressure refrigerant path again, finishes once circulation.
Effect to inner skeleton is elaborated below.
From the outside pipe arrangement 52 of high-voltage tube 12 branches that are connected with off-premises station 10 and the input pipe arrangement 56 of distributor 30 inside, connect by outdoor piping connecting portion 42, allow the high pressure refrigerant flow to distributor 30 inside.
Flow to the high pressure refrigerant of distributor 30, after flowing through screen pack 50 and being cleaned, flow into electromagnetic expanding valve 60 again.Electromagnetic expanding valve 60 to the refrigerant of indoor set 20 supply appropriate amounts, is regulated the coolant quantity that flows into indoor set 20 by the temperature of each interior space R, the refrigeration work consumption of control indoor set 20.
But there are the following problems for above-mentioned prior art.
In the above-mentioned existing structure, be used to control the distributor 30 that the refrigerant between off-premises station 10 and the indoor set 20 flows, be installed in every indoor set 20 fronts respectively.Therefore, need to be provided with the distributor 30 identical with indoor set 20 quantity.
Thereby for indoor set 20 is set among the space R in multi-chamber, the setup fee that can only increase the central air-conditioning whole system is used.
In addition, each distributor 30 is connected with each indoor set 20, and it is different local to be disperseed to be arranged on each indoor set 20, can't effectively manage distributor 30, strengthens the difficulty of after-sale service.
Moreover, the control part that is used to control each electromagnetic expanding valve 60 is in the state that independently is provided with, and therefore, connect each distributor 30 respectively with independent connecting line 72.Not only improve manufacturing cost, increase the after-sale service workload simultaneously.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, provide a kind of and be set to the distributor that a refrigerant flows controlling between off-premises station and several indoor sets, and the electromagnetic expanding valve that installation is connected with each indoor set on distributor and the central air-conditioning of silencer.
The technical scheme that solves the problems of the technologies described above is: a kind of central air-conditioning, comprise having outdoor heat converter, and the off-premises station that carries out heat exchange with outdoor air; Have indoor heat converter, and many indoor sets that carry out heat exchange with room air; The distributor that refrigerant flows between control off-premises station and several the indoor sets is provided with a plurality of electromagnetic expanding valves of regulating cold medium flux and a plurality of silencers that are used to abate the noise in the inside of described distributor.
Described distributor is relatively independent of off-premises station and indoor set.
The arranged outside of described distributor has interface, and the interface two ends connect inner skeleton pipe arrangement and its outside pipe arrangement respectively.
One side of described distributor is provided with the control part of control electromagnetic expanding valve.
The inside of described distributor is formed with electromagnetic expanding valve and the silencer identical with indoor set quantity.
The processing of foaming of described inner skeleton.
Described distributor can be in parallel with newly-increased distributor.
The invention has the beneficial effects as follows: central air-conditioning of the present invention, electric expansion valve that originally was installed in off-premises station or indoor set and silencer, after off-premises station or indoor set separation, independently distributor is set, not only improved off-premises station and the indoor set convenience on being provided with, reduce noise, also help to realize miniaturization.
In addition, electromagnetic expanding valve and the silencer identical with the quantity of indoor set is set, can controls each indoor set individually, indoor set is used in control at the same time or separately more effectively, improves the service behaviour of air-conditioning.
The present invention is provided with each electromagnetic expanding valve that is connected with each indoor set in a distributor, and control part is installed on the distributor, reduce unnecessary distribution, overhaul the problem that electromagnetic expanding valve and control part occur easily, improve the convenient and service ability of after-sale service greatly.
In the situation in the position complexity and the room that need install an air-conditioner, can utilize connector distributor of the present invention in parallel, can realize connecting more indoor air conditioner more neatly.
The present invention is installed in position separated by a distance with it after electromagnetic expanding valve is separated from indoor set.The formation silencer is eliminated the noise that refrigerant flows and produces in distributor simultaneously, and the inner skeleton with silencer is carried out expanding foam solution fill processing, can farthest reduce noise.Utilize minimum parts to constitute indoor set, realize the effect of miniaturization, farthest satisfy user's requirement.
Description of drawings
Fig. 1 is existing central air-conditioning structural representation block diagram;
Fig. 2 is a prior art central air-conditioning dispenser shape schematic diagram;
Fig. 3 is a prior art central air-conditioning inner skeleton structural representation;
Fig. 4 is a central air-conditioning structured flowchart of the present invention;
Fig. 5 is an embodiment of the invention central air-conditioning dispenser top structural upright schematic diagram;
Fig. 6 is an embodiment of the invention central air-conditioning dispenser bottom structural upright schematic diagram;
Fig. 7 is an embodiment of the invention central air-conditioning inner skeleton structural representation;
Fig. 8 is an embodiment of the invention central air-conditioning distributor low-pressure side pipe arrangement schematic diagram;
Fig. 9 is an embodiment of the invention central air-conditioning distributor high-pressure side pipe arrangement schematic diagram;
Figure 10 is embodiment of the invention central air-conditioning distributor exposed division and filling part schematic diagram;
Figure 11 is the system diagram of embodiment of the invention central air-conditioning.
＜accompanying drawing critical piece remarks 〉
100: off-premises station 110: outdoor heat converter
120: constant speed compressor 122: variable speed compressor
130: outdoor electromagnetic valve 140: four-way valve
150: storage tank 160: separator
162: oil return pipe 170: receiver
180: drier 200: indoor set
210: indoor heat converter 220: connector
300: distributor 310: shell
320: top panel 322: installing rack
324: screw hole 326: hanging groove
330: control part cover 332: control circuit board
334: circuit board housing 340: the expanding foam solution inlet
350: line hole 360: baffle plate
370: filling part 380: exposed division
400: high-voltage tube 420: low-voltage tube
500: high pressure tube connector 520: low-pressure connection tube
600: high-pressure side pipe arrangement 620: the outside high voltage interface
640: indoor high voltage interface 650: electromagnetic expanding valve
652: connecting line 660: silencer
670: branched pipe 680: screen pack
700: low-pressure side pipe arrangement 720: the outside low-voltage interface
740: indoor low-voltage interface 800: thermal insulation barriers
R: interior space P: expanding foam solution
The specific embodiment
Embodiment to this central air-conditioning is elaborated with reference to the accompanying drawings.
Fig. 4 is a central air-conditioning structured flowchart of the present invention.As shown in the figure, central air-conditioning is made up of off-premises station 100, indoor set 200, distributor 300.Be provided with the compressor 120,122 that carries out the outdoor heat converter 110 of heat exchange with outdoor air and the refrigerant of low-temp low-pressure is compressed into high-temperature high-pressure state in the off-premises station.Indoor set 200 is provided with the indoor heat converter 210 that carries out heat exchange with room air.Distribute 300 controls to flow from the refrigerant that off-premises station 100 flows to each indoor set 200.
Refrigerant by compressor 120,122 compressions of off-premises station 100 inside carries out heat exchange by outdoor heat converter 110 and outdoor air.
One end of high-voltage tube 400 is communicated with off-premises station 100, and its other end is communicated with distributor 300.High-voltage tube 400 is a kind of pipes to distributor 300 water conservancy diversion high pressure refrigerants.
Flow into the refrigerant in the distributor 300, under electromagnetic expanding valve 650 effects of distributor 300 inside, supply refrigerants to each indoor set 200 respectively by the refrigerant demand of high pressure tube connector 500 each indoor set 200 of peace.High pressure tube connector 500 connects each indoor set 200 and distributor.
The refrigerant that flow into indoor set 200 carries out heat exchange by indoor heat converter 210 and room air, and interior space R is regulated temperature.The refrigerant that flows through indoor set 200 flows to distributor 300 again by low-pressure connection tube 520.
Several low-pressure connection tubes 520 are communicated with the low-pressure side pipe arrangement 700 of distributor 300 inside.Low-pressure side pipe arrangement 700 is connected with the low-voltage tube 420 in distributor 300 outsides.Refrigerant flows to off-premises station 100 by low-voltage tube 420, finishes kind of refrigeration cycle one time.
Fig. 5 is an embodiment of the invention central air-conditioning dispenser top structural upright schematic diagram; Fig. 6 is an embodiment of the invention central air-conditioning dispenser bottom structural upright schematic diagram.As shown in the figure, the profile of distributor 300 is formed by shell 310, top panel 320 and control part cover 330.The overall appearance that shell 310 forms except that the part of end face and bottom surface.Top panel 320 forms the end face outward appearance.Control part cover 330 forms a part of bottom surface outward appearance.
The shell 310 approximate open regular hexahedron shapes in top that are.Shell 310 upper end curve inwardly, and combine well with top panel 320.The end face that top panel 320 sealing shells 310 are opened.
Each angle in top panel 320 is provided with installing rack 322.Installing rack 322 is convenient to distributor 300 is installed on ceiling or the wall.One side of installing rack 322 combines with top panel 320, and opposite side is parallel with top panel, stretches out.The outside of extending part is formed with screw hole 324, is convenient to assemble screw, and its inboard is formed with hanging groove 326, can be installed in distributor 300 on the support bar of establishing in addition (figure slightly).
Bottom at a side shell 310 of distributor 300 has step surface.Step surface is provided with the control part of control electromagnetic expanding valve 650.Control part comprises control circuit board 332, circuit board housing 334 and control part cover 330 removably.Control part cover 330 closed circuit plate housings 334.Install after the control part cover 330, the overall appearance of distributor 300 forms regular hexahedron substantially.
The left surface of shell 310 (being as the criterion with Fig. 5) is provided with outside high voltage interface 620.Outside high voltage interface 620 is the interfaces that connect high-voltage tube 400 and distributor 300 internal high pressure side lines 600, in order to be easy to connect, uses horn interface to be advisable.High-voltage tube 400 the high pressure refrigerant water conservancy diversion of off-premises station 100 compressors 120,122 compression to distributor 300.
Side at outside high voltage interface 620 is provided with outside low-voltage interface 720.Outside low-voltage interface 720 is the interfaces that connect low-voltage tube 420 and low-pressure side pipe arrangement 700, in order to be easy to connect, uses horn interface to be advisable.In indoor set 200, finish the low pressure refrigerant of heat exchange, flow through the low-pressure side pipe arrangement 700 of distributor 300 inside, flow into off-premises station 100 by low-voltage tube 420.
Another side in that outside low-voltage interface 720 and outside high voltage interface 620 with the installation of shell 310 left surfaces oppose is formed with indoor high voltage interface 640.Indoor high voltage interface 640 connects the high-pressure side pipe arrangement 600 of distributors 300 inside and to the high pressure tube connector 500 of indoor circulation high pressure refrigerant.In order to be easy to connect, indoor high voltage interface 640 uses horn interface to be advisable.
Below indoor high voltage interface 640, be formed with indoor low-voltage interface 740.Indoor low-voltage interface 740 connects the low-pressure side pipe arrangement 700 of low-pressure connection tube 520 and distributor 300 inside.Low-pressure connection tube 520 is used for circulating and finishes the refrigerant of heat exchange at indoor set 200.In order to be easy to connect, indoor low-voltage interface 740 uses horn interface to be advisable.
The quantity of above-mentioned indoor high voltage interface 640 and indoor low-voltage interface 740, identical with indoor set 200 quantity that are connected distributor 300, each indoor high voltage interface 640 and indoor low-voltage interface 740 are respectively up and down successively to be arranged.
The outside of distributor 300 is formed with a plurality of interfaces 620,640,720,740 and the end of the inside pipe arrangement 600,700 that connects with each interface 620,640,720,740, because of the refrigerant temperature and the external temperature of pipe arrangement inside there are differences, the globule can occur.In order to prevent the globule, inner pipe arrangement 600,700 both ends are formed with thermal insulation barriers 800.
At the outstanding downwards position of shell 310, its side is formed with the expanding foam solution inlet 340 that injects expanding foam solution P, is convenient to inject the noise that expanding foam solution P prevents shell 310 inside.
The side of shell 310 is provided with control part cover 330 lateral surfaces, and forms wired hole 350.Connecting line 652 is worn electromagnetic expanding valve 650 and the control circuit board 332 that cable-through hole 350 connects shell 310 inside.
Form the part in wired hole 350, more detail is on shell 310 step surfaces that are formed with control part cover 330, be provided with circuit board housing 334.Circuit board housing 334 is used to install control circuit board 332.Control circuit board 332 is the circuit that are used to control the electromagnetic expanding valve 650 of shell 310 inside.330 sealings of 334 controlled covers of control circuit board 332 and circuit board housing.
Fig. 7 is an embodiment of the invention central air-conditioning inner skeleton structural representation.As shown in the figure, distributor 300 inside are divided into the filling part 370 and the exposed division 380 that exposes electromagnetic expanding valve 650 of filling-foam liquid P by baffle plate 360.On baffle plate 360, be formed with several through holes.High-pressure side pipe arrangement 600 and low-pressure side pipe arrangement 700 run through through hole.
The inside bottom surface of shell 310 is formed with low-pressure side pipe arrangement 700.In indoor set 200, finish the refrigerant of heat exchange, flow through distributor 300 inside by low-pressure side pipe arrangement 700.Low-pressure side pipe arrangement 700 tops are formed with high-pressure side pipe arrangement 600.The high pressure refrigerant that receives from off-premises station 100 flows through distributor 300 inside by high-pressure side pipe arrangement 600.
The both side ends of low-pressure side pipe arrangement 700 is formed with indoor low-voltage interface 740 and outside low-voltage interface 720 respectively, connects low-pressure side pipe arrangement 700 and each outer low pressure tube connector 520, low-voltage tube 420 at an easy rate.The both side ends of high-pressure side pipe arrangement 600 is formed with indoor high voltage interface 640 and outside high voltage interface 620 respectively, connects high-pressure side pipe arrangement 600 and each external high pressure tube connector 500, high-voltage tube 400 at an easy rate.
In the both side ends of low-pressure side pipe arrangement 700 and high-pressure side pipe arrangement 600, the position adjacent with each interface 620,640,720,740 is formed with thermal insulation barriers 800 respectively.Thermal insulation barriers 800 is encircled the peripheral surface of this low-pressure side pipe arrangement 700 and high-pressure side pipe arrangement 600, prevents that low-pressure side pipe arrangement 700 and high-pressure side pipe arrangement 600 are exposed on the external.
Fig. 8 is that embodiment of the invention central air-conditioning distributor low-pressure side pipe arrangement schematic diagram Fig. 8 is an embodiment of the invention central air-conditioning distributor high-pressure side pipe arrangement schematic diagram.As shown in the figure, the part of low-pressure side pipe arrangement 700 is divided into several pipe arrangements, and its each end all is provided with indoor low-voltage interface 740, can synthetic pipe arrangement in filling part 370.
In order to prevent to bias toward certain from the refrigerant that several low-pressure side pipe arrangement 700 branches are gone into, each branch join low-pressure side pipe arrangement 700 main pipes that form carry out in the inboard of filling part 370 around, then pass the through hole of baffle plate 360 again, run through entering exposed division 380.
The end of low-pressure side pipe arrangement 700 extensions is provided with outside low-voltage interface 720.Outside low-voltage interface 720 is used to connect low-voltage tube 420 and the low-pressure side pipe arrangement 700 that is connected with off-premises station 100.
Fig. 9 is an embodiment of the invention central air-conditioning distributor high-pressure side pipe arrangement schematic diagram.As shown in the figure, the both side ends of high-pressure side pipe arrangement 600 is formed with outside high voltage interface 620 and indoor high voltage interface 640 respectively.The high-pressure side pipe arrangement 600 that is connected with outside high voltage interface 620 is branched pipe 670 and is branched off into a plurality of high-pressure sides pipe arrangement 600.
On each the high-pressure side pipe arrangement 600 after the branch, connecting electromagnetic expanding valve 650 and silencer 660 successively.Each high-pressure side pipe arrangement 600 end after the branch are formed with indoor high voltage interface 640.Indoor high voltage interface 640 is used to connect high pressure tube connector 500.High pressure tube connector 500 is used for to each indoor set 200 supply refrigerants.
Outside high voltage interface 620 is formed by horn interface, can connect high-voltage tube 400 and high-pressure side pipe arrangement 600 at an easy rate.High-pressure side pipe arrangement 600 is pressed certain-length and is extended.The part of high-pressure side pipe arrangement 600 is provided with screen pack 680, can the refrigerant in flowing be filtered.
The high-pressure side pipe arrangement 600 of screen pack 680 back during from top view, has the shape by anti-" C " oxbow substantially.The end of this sweep is formed with branched pipe 670.Branched pipe 670 usefulness brass are made and are roughly cone shape.Its top is connected the main pipe of high-pressure side pipe arrangement 600, and the bottom is divided into several branches.
A certain privileged site being divided on the high-pressure side pipe arrangement 600 of several branches is formed with electromagnetic expanding valve 650, regulates the cold medium flux that flows by high-pressure side pipe arrangement 600.The back of electromagnetic expanding valve 650 is formed with silencer 660, eliminates the noise that produces when refrigerant flows.
With the high-pressure side pipe arrangement 600 that silencer 660 1 sides are connected, to press certain-length and extend, its end is connected on the indoor high voltage interface 640.High voltage interface 640 two ends in indoor connect high-pressure side pipe arrangement 600 and high pressure tube connector 500 respectively, so that the high pressure refrigerant that is flowing in high-pressure side pipe arrangement 600 inside is fed to indoor set 200.
For high-pressure side pipe arrangement 600 is connected easily with high pressure tube connector 500, indoor high voltage interface 640 uses horn interface to be advisable.
Figure 10 is embodiment of the invention central air-conditioning distributor exposed division and filling part schematic diagram.As shown in the figure, the top panel 320 of dismounting shell 310, open distributor 300 inside, the inner space of observing shell 310 is divided into exposed division 380 and filling part 370 by baffle plate 360.
The number of electromagnetic expanding valve 650 is identical with indoor set 200 quantity that are connected distributor 300.Electromagnetic expanding valve 650 is connected on the high-pressure side pipe arrangement 600 that runs through baffle plate 360.With the connecting line 652 that each electromagnetic expanding valve 650 is connected, pass the line hole 350 of shell 310 1 sides, be connected on the control circuit board 332 of shell 310 bottom surfaces.
The top of electromagnetic expanding valve 650 is provided with the low-pressure side pipe arrangement 700 that runs through baffle plate 360 and shell 310 side surface part and the main pipe of high-pressure side pipe arrangement 600.Low-pressure side pipe arrangement 700 is parts that refrigerant refluxes from indoor set 200, and high-pressure side pipe arrangement 600 is to be connected off-premises station 100, is used for the part to distributor 300 water conservancy diversion high pressure refrigerants.
Filling part 370 inside are formed with the part of low-pressure side pipe arrangement 700 and high-pressure side pipe arrangement 600.High-pressure side pipe arrangement 600 is divided into several branches in filling part 370 inside, and each pipe arrangement after the branch has a silencer respectively.
The noise that produces when flowing through narrow pipeline for the refrigerant of eliminating HTHP, except silencer 660 is set, also by being formed on the expanding foam solution P that shell 310 1 sides are injected, filling part 370 integral body are handled by expanding foam solution P foaming, also have the effect of the refrigerant generation noise of eliminating HTHP.
Need to prove that shell 310 inner body not being foamed, to handle be for convenient to electromagnetic expanding valve 650 maintenance.In addition, the effect of baffle plate 360 is to prevent that the expanding foam solution of filling part 370 from flowing into exposed division 380.
Below with reference to Figure 11 the operation principle of air-conditioning of the present invention is described.
Central air-conditioning of the present invention is connecting several indoor sets 200 on an off-premises station 100 (figure do not show), allow part or all indoor set 200 carry out work by user's selection.
During air-conditioning work (operation of freezing), outdoor electromagnetic valve 130 flowed between off-premises station 100 and indoor set 200 by to be allowed refrigerant by open.The electromagnetic expanding valve 650 of distributor 300 inside is regulated coolant quantity, and distributor 300 inner idle electromagnetic expanding valves 650 are closed.
At first, describe the refrigerant of off-premises station 100 is mobile.After flowing through four-way valve 140, the gaseous coolant that flows out from indoor set 200 flows to storage tank 150.The gaseous coolant that flows through storage tank 150 flows to compressor 120,122.
Compressor 120,122 is by constituting by the constant speed compressor 120 of certain frequency rotation and the variable speed compressor 122 that can regulate rotating speed.Compressor 120,122 refrigeration work consumption as required carries out work simultaneously or some compressors 120,122 carry out work, by the demand piezometric refrigerant that contracts.
The refrigerant of compressor 120, the 122 compression separator 160 of flowing through.Separator 160 the lubricating oil separation in the refrigerant after, compressor 120,122 reclaims lubricating oil by oil return pipe 162.
When compressor 120,122 compression refrigerants, have lubricating oil and infiltrate in the refrigerant.Lubricating oil is liquid, and refrigerant is a gaseous state.But the separator 160 of gas-liquid separation separates lubricating oil.
Flow through the refrigerant of separator 160, flow through four-way valve 140 after, flowed into chamber outer heat-exchanger 110.Heat exchanger 110 is worked as condenser (during refrigeration).Refrigerant that it is inner and extraneous air carry out heat exchange, are cooled into liquid refrigerants.The refrigerant that carries out heat exchange when flowing through outdoor heat converter 110 flows into receiver 170 under outdoor magnetic valve 130 opened state.
Flow through the refrigerant of receiver 170, behind the drier 180 of flowing through, flow to distributor 300 inside by connector 220.Drier 180 effects are the moisture of removing in the refrigerant.Connector 220 is positioned at the outside of off-premises station 100, and the refrigerant that connects between off-premises station 100 and the distributor 300 flows.
Flow through the refrigerant of connector 220, under the effect of high-voltage tube 400, the outside high voltage interface 620 that flows to distributor 300 outsides flows into distributor 300 inside.The high-pressure side pipe arrangement 600 of refrigerant along distributor 300 inside that flows into distributor 300 inside flows.
Flow through the refrigerant of outside high voltage interface 620, the screen pack 680 of flowing through is removed the foreign matter in the refrigerant.Refrigerant is divided to the branch of each high-pressure side pipe arrangement 600 under branched pipe 670 effects of being made by brass.The quantity of high-pressure side pipe arrangement 600 branches is identical with indoor set 200 quantity.In each branch of high-pressure side pipe arrangement 600, be respectively equipped with electromagnetic expanding valve 650.
Be diverted to the refrigerant of each high-pressure side pipe arrangement 600 branch by branched pipe 670, under the effect of electromagnetic expanding valve 650, be conditioned flow.That is, according to the indoor set 200 refrigerant demands that are connected with each high-pressure side pipe arrangement 600 branch, the refrigerant of supply respective amount.
Regulate the refrigerant of flows through electromagnetic expanding valve 650, flow through the silencer 660 below the electromagnetic expanding valve 650.The noise that produces when refrigerant flows through high-pressure side pipe arrangement 600 is tentatively eliminated by silencer 660.
In distributor 300 inner spaces that silencer is set, that is, by the filling part 370 that baffle plate 360 marks off, P fills by expanding foam solution, and silencer 660 is not had the noise eliminated, carries out noise reduction once more, prevents that noise from passing to the outside.
The refrigerant that flows through silencer 660 flows out to the indoor high voltage interface 640 in distributor 300 outsides along each high-pressure side pipe arrangement 600 branch.High voltage interface 640 two ends in indoor connect the high-pressure side pipe arrangement 600 of high pressure tube connector 500 and distributor 300 inside respectively.High pressure tube connector 500 connects each indoor set 200.Therefore, refrigerant flows into each indoor set 200 by indoor high voltage interface 640 and high pressure tube connector 500.
The refrigerant that flows into each indoor set 200 carries out heat exchange with interior space R air under indoor heat converter 210 effects.Indoor heat converter 210 plays evaporimeter, and refrigerant can flash to low-pressure gas through after the heat exchange.
Flash to the refrigerant of low-pressure gas, be connected the low-pressure connection tube 520 of indoor set 200, flow into the indoor low-voltage interface 740 in distributor 300 outsides, flow to distributor 300 inside again.Flow into the refrigerant of distributor 300 inside, when flowing through low-pressure side pipe arrangement 700, the main pipe that is flowed to low-pressure side pipe arrangement 700 from each branch of low-pressure side pipe arrangement 700 flows to the outside low-voltage interface 720 in distributor 300 outsides.
The refrigerant that flows through outside low-voltage interface 720 flows into and is combined in the low-voltage tube 420 of outside low-voltage interface 720, flows into off-premises station 100 by connector 220.Here, connector 220 is used for distributor 300 in parallel.Flow into the refrigerant of off-premises stations 100 by connector 220, flow through four-way valve 140 after, flow to storage tank 150.
Storage tank 150 is held back the liquid refrigerants that does not have evaporation, only gaseous coolant is fed to compressor 120,122.Through process, finish a kind of refrigeration cycle.
When central air-conditioning was pressed heating mode work, refrigerant flowed by the direction opposite with above-mentioned loop direction.
Scope of the present invention is not limited at embodiment.In above-mentioned technical scope, can carry out a lot of conversion for personnel based on the present invention with industry ABC.
Claims (7)
1. a central air-conditioning comprises having outdoor heat converter, and the off-premises station that carries out heat exchange with outdoor air; Have indoor heat converter, and many indoor sets that carry out heat exchange with room air; The distributor that refrigerant flows between control off-premises station and several the indoor sets is characterized in that being provided with in the inside of described distributor (300) a plurality of electromagnetic expanding valves (650) of regulating cold medium flux and a plurality of silencers (660) that are used to abate the noise.
2. according to the central air-conditioning described in the claim 1, it is characterized in that described distributor (300) is relatively independent of off-premises station (100) and indoor set (200).
3. according to the central air-conditioning described in claim 1 or 2, it is characterized in that the arranged outside of described distributor (300) has interface, the interface two ends connect inner skeleton pipe arrangement and its outside pipe arrangement respectively.
4. according to the central air-conditioning described in the claim 3, it is characterized in that a side of described distributor (300) is provided with the control part of control electromagnetic expanding valve (650).
5. according to the central air-conditioning described in the claim 3, it is characterized in that the inside of described distributor (300) is formed with electromagnetic expanding valve (650) identical with indoor set quantity and silencer (660).
6. according to the central air-conditioning described in the claim 3, it is characterized in that the processing of foaming of described distributor (300) inside.
7. according to the central air-conditioning described in the claim 3, it is characterized in that described distributor (300) can be in parallel with newly-increased distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072104 CN1752629A (en) | 2004-09-24 | 2004-09-24 | Central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072104 CN1752629A (en) | 2004-09-24 | 2004-09-24 | Central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1752629A true CN1752629A (en) | 2006-03-29 |
Family
ID=36679583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072104 Pending CN1752629A (en) | 2004-09-24 | 2004-09-24 | Central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1752629A (en) |
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| CN105202660A (en) * | 2015-11-13 | 2015-12-30 | 无锡桥阳机械制造有限公司 | Central air conditioner with purification function |
| CN105222248A (en) * | 2015-11-14 | 2016-01-06 | 无锡清杨机械制造有限公司 | A kind of central air-conditioning with purification function |
| CN105222239A (en) * | 2015-11-13 | 2016-01-06 | 无锡桥阳机械制造有限公司 | A kind of central air-conditioning with purification function |
| CN105222247A (en) * | 2015-11-13 | 2016-01-06 | 无锡桥阳机械制造有限公司 | A kind of central air-conditioning with purification function |
| CN105258256A (en) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | Method for purifying air in building with central air-conditioning |
| CN105258253A (en) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | Central air conditioner with purifying function |
| CN105258254A (en) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | Air purifying method of building having central air conditioner |
| CN105276719A (en) * | 2015-11-13 | 2016-01-27 | 无锡桥阳机械制造有限公司 | Central air conditioner with purification function |
| CN105299792A (en) * | 2015-11-13 | 2016-02-03 | 无锡桥阳机械制造有限公司 | Central air conditioner with purification function |
| CN105333541A (en) * | 2015-11-13 | 2016-02-17 | 无锡桥阳机械制造有限公司 | Central air conditioner with purification function |
| CN105423460A (en) * | 2015-11-13 | 2016-03-23 | 朱忠良 | Central air conditioner with purifying function |
| CN105423461A (en) * | 2015-11-13 | 2016-03-23 | 无锡桥阳机械制造有限公司 | Central air conditioner with purifying function |
| CN105465013A (en) * | 2015-11-13 | 2016-04-06 | 无锡桥阳机械制造有限公司 | Fan having purification function |
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- 2004-09-24 CN CN 200410072104 patent/CN1752629A/en active Pending
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| CN105258254A (en) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | Air purifying method of building having central air conditioner |
| CN105222239A (en) * | 2015-11-13 | 2016-01-06 | 无锡桥阳机械制造有限公司 | A kind of central air-conditioning with purification function |
| CN105222247A (en) * | 2015-11-13 | 2016-01-06 | 无锡桥阳机械制造有限公司 | A kind of central air-conditioning with purification function |
| CN105258256A (en) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | Method for purifying air in building with central air-conditioning |
| CN105258253A (en) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | Central air conditioner with purifying function |
| CN105202660A (en) * | 2015-11-13 | 2015-12-30 | 无锡桥阳机械制造有限公司 | Central air conditioner with purification function |
| CN105276719A (en) * | 2015-11-13 | 2016-01-27 | 无锡桥阳机械制造有限公司 | Central air conditioner with purification function |
| CN105299792A (en) * | 2015-11-13 | 2016-02-03 | 无锡桥阳机械制造有限公司 | Central air conditioner with purification function |
| CN105333541A (en) * | 2015-11-13 | 2016-02-17 | 无锡桥阳机械制造有限公司 | Central air conditioner with purification function |
| CN105423460A (en) * | 2015-11-13 | 2016-03-23 | 朱忠良 | Central air conditioner with purifying function |
| CN105423461A (en) * | 2015-11-13 | 2016-03-23 | 无锡桥阳机械制造有限公司 | Central air conditioner with purifying function |
| CN105465013A (en) * | 2015-11-13 | 2016-04-06 | 无锡桥阳机械制造有限公司 | Fan having purification function |
| CN105222248A (en) * | 2015-11-14 | 2016-01-06 | 无锡清杨机械制造有限公司 | A kind of central air-conditioning with purification function |
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