CN203595314U - Multi-online system - Google Patents
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- CN203595314U CN203595314U CN201320393950.6U CN201320393950U CN203595314U CN 203595314 U CN203595314 U CN 203595314U CN 201320393950 U CN201320393950 U CN 201320393950U CN 203595314 U CN203595314 U CN 203595314U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000003507 refrigerant Substances 0.000 claims description 31
- 230000008676 import Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a multi-online system, which comprises a compressor, a four-way valve, a first heat exchanger, a second heat exchanger and a third heat exchanger, wherein a first end of the first heat exchanger is connected with an exhaust port of the compressor and a first valve port of the four-way valve; a second end of the first heat exchanger is connected with a first end of the second heat exchanger and a first end of the third heat exchanger; a second end of the second heat exchanger is connected with a second valve port of the four-way valve; a second end of the third heat exchanger is connected with a third valve port; and a fourth valve port of the four-way valve is connected with a gas-returning port of the compressor. The multi-online system in the utility model can exchange heat and realize cool by the first heat exchanger and the second heat exchanger simultaneously, when running cool and domestic hot water pattern at the same time and domestic hot water is too high in temperature; even though at this moment the heat exchange effect of the first heat exchanger is greatly reduced, cool effect of the third heat exchanger can be also guaranteed by the second heat exchanger.
Description
Technical field
The utility model relates to appliance field, particularly a kind of multi-connected machine system.
Background technology
Along with development and the growth in the living standard of national economy, air-conditioning has become people builds the important technical of indoor environment.A large amount of uses of domestic air conditioning, make a large amount of condensation heat directly enter atmosphere, cause larger energy waste.The heat distributing makes again ambient temperature raise, and causes serious environmental thermal pollution, and " tropical island effect " in city further aggravated.And a large amount of discharges of condensation heat raise condenser ambient temperature, be unfavorable for condenser heat radiation, cause condensation temperature to raise, the operation energy consumption of air-conditioning unit raises.Heat recovery technology, not only can improve energy utilization rate, and can reduce the impact of air-conditioning system on surrounding environment.Therefore, in the current period that this advocates energy-saving and emission-reduction, take heat recovery technology, become an extremely urgent job.
Conventional traditional splitting air conditioner not only cannot meet the needs of user to refrigeration, heating and supplying hot water, and cannot realize the recycling to condensation heat, and these useful heat are wasted.The current separating domestic heat pump air conditioner with recuperation of heat, although can realize recuperation of heat, can in interior mechanism cold, produce domestic hot-water, but in traditional heat recovery system, adopt the scheme of the system of three heat-exchanger rig series connection, in the time of freeze+domestic hot-water pattern, more than domestic hot-water's water temperature is increased to 40 degree, the condensation side heat transfer effect variation side refrigerating capacity that causes freezing declines greatly.
Utility model content
Main purpose of the present utility model is for providing a kind of multi-connected machine system, freezes at the same time and when domestic hot-water's pattern, even when domestic hot-water's water temperature over-high, the side that still can guarantee to freeze can have enough refrigerating capacitys.
The utility model proposes a kind of multi-connected machine system, comprise compressor, cross valve, the first heat-exchanger rig, the second heat-exchanger rig, the 3rd heat-exchanger rig, the first end of described the first heat-exchanger rig connects the exhaust outlet of described compressor and the first valve port of described cross valve, and the second end of described the first heat-exchanger rig connects the first end of described the second heat-exchanger rig and the first end of described the 3rd heat-exchanger rig; The second end of described the second heat-exchanger rig connects the second valve port of described cross valve, and the second end of described the 3rd heat-exchanger rig connects the 3rd valve port of described cross valve, and the 4th valve port of described cross valve connects the gas returning port of described compressor.
Preferably, also comprise magnetic valve, one end of described magnetic valve is connected with the first valve port of described cross valve, and the other end of described magnetic valve connects the exhaust outlet of described compressor and the first end of described the first heat-exchanger rig.
Preferably, described the first heat-exchanger rig comprises heat regenerator and the first throttle parts that are electrically connected with described controller, the refrigerant import of described heat regenerator are the first end of described the first heat-exchanger rig, the refrigerant exit of described heat regenerator connects one end of described first throttle parts, and the other end of described first throttle parts is the second end of described the first heat-exchanger rig.
Preferably, also comprise Control Component, described Control Component comprises the controller being electrically connected with described the first magnetic valve and the temperature sensor being electrically connected with described controller, and described temperature sensor is arranged on the refrigerant exit of described heat regenerator.
Preferably, also comprise the water pump being connected with described heat regenerator.
Preferably, described the second heat-exchanger rig comprises the DC frequency-changing blower fan that outdoor unit heat exchanger, second section stream unit and corresponding described outdoor unit heat exchanger arrange, the first end of described outdoor unit heat exchanger connects one end of described second section stream unit, the other end of described throttle part is the first end of described the second heat-exchanger rig, and the second end of described outdoor unit heat exchanger is the second end of described the second heat-exchanger rig.
Preferably, described the 3rd heat-exchanger rig comprises at least one indoor set heat exchanger and the 3rd throttle part, described indoor set heat exchanger is corresponding one by one with the 3rd throttle part, the first end of described outdoor unit heat exchanger connects the first end of described the second heat-exchanger rig through the 3rd throttle part of its correspondence, the second end of described outdoor unit heat exchanger connects the second end of described the second heat-exchanger rig.
Preferably, also comprise oil eliminator, the exhaust outlet of described frequency-changeable compressor connects the first end of described the first heat-exchanger rig and the other end of described magnetic valve through described oil eliminator.
Preferably, described first throttle parts, second section stream unit and the 3rd throttle part are electric expansion valve.
Preferably, described the first heat-exchanger rig also comprises the first stop valve, and described the second heat-exchanger rig also comprises the second stop valve, and described the 3rd heat-exchanger rig also comprises the 3rd stop valve; The first end of described the first heat-exchanger rig connects the exhaust outlet of described compressor and the first valve port of described cross valve through described the first stop valve; The first end of described the second heat-exchanger rig connects the first end of described the first heat-exchanger rig and the first end of described the second heat-exchanger rig through described the second stop valve; The second end of described the 3rd heat-exchanger rig connects the 3rd valve port of described cross valve through described the 3rd stop valve.
Multi-connected machine system of the present utility model, when running refrigerating is with domestic hot-water's pattern processed simultaneously, the 3rd heat-exchanger rig now moves as evaporimeter, in the time that domestic hot-water's temperature is relatively low when (such as being no more than 40 ℃), can only select the first heat-exchanger rig operation, such the first heat-exchanger rig is born the heat exchange of all refrigerants, and domestic hot-water's processed efficiency is high; When domestic hot-water's excess Temperature (such as higher than 40 ℃), be switched to the first heat-exchanger rig and the second heat-exchanger rig all moves, guarantee that through the formation loop of the first heat-exchanger rig domestic hot-water heats from a part for the exhaust outlet of compressor refrigerant out, simultaneously form heat-exchanging loop running refrigerating from another part of the exhaust outlet of compressor refrigerant out through the second heat-exchanger rig, even if now the heat transfer effect of the first heat-exchanger rig reduces greatly, also can guarantee by the second heat-exchanger rig heat exchange the refrigeration of the 3rd heat-exchanger rig.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model multi-connected machine system preferred embodiment.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, Fig. 1 is the structural representation of the utility model multi-connected machine system preferred embodiment.
The multi-connected machine system that this embodiment proposes, comprise compressor 10, cross valve 20, the first heat-exchanger rig 30, the second heat-exchanger rig 40, the 3rd heat-exchanger rig 50, the first end A1 of the first heat-exchanger rig 30 connects the exhaust outlet of compressor 10 and the first valve port S1 of cross valve 20, and the second end A2 of the first heat-exchanger rig 30 connects the first end B1 of the second heat-exchanger rig 40 and the first end C1 of the 3rd heat-exchanger rig 50; The second end B2 of the second heat-exchanger rig 40 connects the second valve port S2 of cross valve 20, and the second end C2 of the 3rd heat-exchanger rig 50 connects the 3rd valve port S3 of cross valve 20, and the 4th valve port S4 of cross valve 20 connects the gas returning port of compressor 10.
In the present embodiment multi-connected machine system, the first heat-exchanger rig 30 is heat recovery heat exchange device, and the second heat-exchanger rig 40 can be used as outdoor heat exchange device or indoor heat-exchanger rig, and the 3rd heat-exchanger rig 50 can be used as indoor heat-exchanger rig or outdoor heat exchange device.The present embodiment take the second heat-exchanger rig 40 as outdoor heat exchange device and the 3rd heat-exchanger rig 50 as indoor heat-exchanger rig is as example, the present embodiment is elaborated.
, because the first heat-exchanger rig 30, the second heat-exchanger rig 40 and the 3rd heat-exchanger rig 50 are connected modes in parallel, there is two kinds of operating schemes running refrigerating and domestic hot-water's pattern processed simultaneously in the multi-connected machine system that the present embodiment proposes, wherein:
The first scheme is: only enter from the first end A1 of the first heat-exchanger rig 30 from the exhaust outlet of compressor 10 refrigerant out, refrigerant second end A2 from the first heat-exchanger rig 30 after the first heat-exchanger rig 30 heat exchange goes out; Enter from the first end C1 of the 3rd heat-exchanger rig 50 from the first heat-exchanger rig 30 refrigerant out, the second end C2 from the 3rd heat-exchanger rig 50 after the heat exchange of the 3rd heat-exchanger rig 50 goes out, then flow to cross valve 20 from the 3rd heat-exchanger rig 50 refrigerant out, enter from the 3rd valve port S3 of cross valve 20, from the 4th valve port S4 of cross valve 20 out, getting back to compressor 10 from the gas returning port of compressor 10.The first heat-exchanger rig 30 now moves as condenser, the 3rd heat-exchanger rig 50 is as evaporimeter operation, and the flow direction of its cold-producing medium can simply be expressed as: the gas returning port of the 4th valve port S4 → compressor 10 of the 3rd valve port S3 → cross valve 20 of the exhaust outlet → the first heat-exchanger rig 30 → three heat-exchanger rig 50 → cross valve 20 of compressor 10.
Alternative plan is: from the exhaust outlet of compressor 10 refrigerant Fen Yi road out by above the first scheme flow to and form a refrigerant loop, refrigerant divides another road to enter the first valve port S1 of cross valve 20, from flowing out, enters from the second end B2 of the second heat-exchanger rig 40 the second valve port S2 of cross valve 20, after the second heat-exchanger rig 40 heat exchange, flow out from the first end B1 of the second heat-exchanger rig 40, then enter from the first end C1 of the 3rd heat-exchanger rig 50, after the 3rd heat-exchanger rig 50 heat exchange, go out from the second end C2 of the 3rd heat-exchanger rig 50, enter at the 3rd valve port S3 from cross valve 20, go out from the 4th valve port S4 of cross valve 20, get back to compressor 10 from the gas returning port of compressor 10 again and form another refrigerant loop.The first heat-exchanger rig 30 and the second heat-exchanger rig 40 now all move as condenser, the 3rd heat-exchanger rig 50 is as evaporimeter operation, and the refrigerant flow direction in its another refrigerant loop can simply be expressed as: the gas returning port of the 4th valve port S4 → compressor 10 of the 3rd valve port S3 → cross valve 20 of second valve port S2 → the second heat-exchanger rig the 40 → three heat-exchanger rig 50 → cross valve 20 of first valve port S1 → cross valve 20 of the exhaust outlet → cross valve 20 of compressor 10.
Adopt the multi-connected machine system of the present embodiment, running refrigerating and domestic hot-water's pattern processed simultaneously, the 3rd heat-exchanger rig 50 now moves as evaporimeter, relatively low in domestic hot-water's temperature, while being less than high temperature preset temperature value (such as being no more than 40 ℃), can select the first above-mentioned scheme operation, such the first heat-exchanger rig 30 is born the heat exchange of all refrigerants, and domestic hot-water's processed efficiency is high; At domestic hot-water's excess Temperature, during higher than high temperature preset temperature value (such as 40 ℃), be switched to above-mentioned alternative plan operation, guarantee that through the formation loop of the first heat-exchanger rig 30 domestic hot-water heats from a part for the exhaust outlet of compressor 10 refrigerant out, simultaneously form heat-exchanging loop running refrigerating from another part of the exhaust outlet of compressor 10 refrigerant out through the second heat-exchanger rig 40, even if now the heat transfer effect of the first heat-exchanger rig 30 reduces greatly, also can guarantee by the second heat-exchanger rig 40 heat exchange the refrigeration of the 3rd heat-exchanger rig 50.
Further, the multi-connected machine system of the present embodiment also comprises magnetic valve 60, and one end of magnetic valve 60 is connected with the first valve port S1 of cross valve 20, and the other end of magnetic valve 60 connects the exhaust outlet of compressor 10 and the first end A1 of the first heat-exchanger rig 30.The first heat-exchanger rig 30 comprises heat regenerator 31 and the first throttle parts 32 that are electrically connected with controller, the refrigerant import of heat regenerator 31 are the first end A1 of the first heat-exchanger rig 30, the refrigerant exit of heat regenerator 31 connects one end of first throttle parts 32, and the other end of first throttle parts 32 is the second end A2 of the first heat-exchanger rig 30.The first heat-exchanger rig 30 also comprises the water pump 33 being connected with heat regenerator 31.Multi-connected machine system also comprises Control Component, and Control Component comprises the controller (not shown) being electrically connected with the first magnetic valve 60 and the temperature sensor 70 being electrically connected with controller, and temperature sensor 70 is arranged on the refrigerant exit of heat regenerator 31.The present embodiment temperature sensor 70 is for detection of the refrigerant temperature (can be also the temperature of the pipeline at this place) of the first end A1 of the first heat-exchanger rig 30, controller is according to the temperature value detecting and default temperature value comparison, control the unlatching of magnetic valve 60 or close that (control program for example, in the time that the temperature value detecting is no more than default temperature value, controller control magnetic valve 60 cuts out; In the time that the temperature value detecting exceedes default temperature value, controller control magnetic valve 60 is opened), thus the temperature value detecting according to temperature sensor 70 can realize running refrigerating and domestic hot-water's pattern processed at the same time time is controlled multi-connected machine system and is selected the first scheme to move or select alternative plan to move.
Concrete, the second heat-exchanger rig 40 comprises the DC frequency-changing blower fan 43 that outdoor unit heat exchanger 41, second section stream unit 42 and corresponding outdoor unit heat exchanger 41 arrange, the first end of outdoor unit heat exchanger 41 connects one end of second section stream unit 42, the other end of throttle part is the first end B1 of the second heat-exchanger rig 40, and the second end of outdoor unit heat exchanger 41 is the second end B2 of the second heat-exchanger rig 40.The 3rd heat-exchanger rig 50 comprises at least one (in the present embodiment take three as example) indoor set heat exchanger 51 and the 3rd throttle part 52, indoor set heat exchanger 51 is corresponding one by one with the 3rd throttle part 52, the first end of outdoor unit heat exchanger 41 connects the first end B1 of the second heat-exchanger rig 40 through the 3rd throttle part 52 of its correspondence, the second end of outdoor unit heat exchanger 41 connects the second end B2 of the second heat-exchanger rig 40.In the present embodiment, first throttle parts 32, second section stream unit 42 and the 3rd throttle part 52 are electric expansion valve.
In the present embodiment, heat regenerator 31 also connects press-bearing water tank 91, three-way solenoid valve 92, expansion tank 93 and floor heating system 94, and its detailed annexation as shown in the figure.
The multi-connected machine system of the present embodiment is at the same time when running refrigerating and domestic hot-water's pattern processed, the unlatching size degree of the value control first throttle parts 32 of the temperature that controller can detect according to temperature sensor 70, thereby the coolant quantity that control and regulation are flowed out from the first heat-exchanger rig 30, controller can also be electrically connected second section stream unit 42, the coolant quantity that temperature control the second heat-exchanger rig 40 detecting according to temperature sensor 70 flows out, according to the unlatching size degree of control and regulation first throttle parts 32 and second section stream unit 42, control the coolant quantity that heat regenerator 31 and outdoor unit heat exchanger 41 flow out separately, and then control enters into heat regenerator 31 and outdoor unit heat exchanger 41 coolant quantity separately, realize and control refrigeration.
Traditional heat recovery system, adopt the scheme of the system of three heat-exchanger rig series connection, in the time that domestic hot-water's water temperature is low, for example, while being less than low temperature preset value (5 ℃, 8 ℃ etc.), because the domestic hot-water's of heat regenerator 31 water temperature is low, heat regenerator 31 heat exchange are fast, and a large amount of liquid refrigerants are accumulated in heat regenerator 31, cause the cold circulating refrigerant quantity not sufficient of system even cannot move.The multi-connected machine system of the present embodiment, can be by controlling the unlatching size degree of first throttle parts 32, control the cold medium flux size that heat regenerator 31 flows out, the temperature that can detect according to temperature sensor 70 by controller is controlled automatically, the temperature value detecting at temperature sensor 70 is in the time of low temperature preset value, control the unlatching of first throttle parts 32 and open accordingly big or small degree, in assurance system, refrigerant enough moves.
When the present embodiment multi-connected machine system is other mode of operations, the concrete operational process of multi-connected machine system:
1, when multi-connected machine system running refrigerating pattern, 20 power down of control cross valve, magnetic valve 60 are opened, and the flow direction of cold-producing medium is the gas returning port of the 4th valve port S4 → compressor 10 of the 3rd valve port S3 → cross valve 20 of second valve port S2 → outdoor unit heat exchanger 41 → second section stream unit the 42 → three throttle part 52 → indoor set heat exchanger 51 → cross valve 20 of first valve port S1 → cross valve 20 of exhaust outlet → magnetic valve 60 → cross valve 20 of compressor 10.The present embodiment is in the time of multi-connected machine system running refrigerating pattern, DC frequency-changing blower fan 43 and compressor 10 start simultaneously, multi-connected machine system is first according to 43 of the leaving air temp control and regulation DC frequency-changing blower fan of outdoor unit heat exchanger 41 rotating speed, in multi-connected machine cooling system operation a period of time, (a period of time presets, such as half an hour, one hour or two hours etc.) after, then control to adjust the rotating speed of DC frequency-changing blower fan 43 according to the temperature of outdoor unit heat exchanger 41 first ends.
2,, when multi-connected machine system is moved recuperation of heat and refrigeration mode simultaneously, with reference to above-mentioned introduction, do not repeat at this.
3, when multi-connected machine system is only moved domestic hot-water's pattern processed, 20 power down of control cross valve, magnetic valve 60 are closed, and now, outdoor unit heat exchanger 41 is as evaporimeter.Refrigerant flow direction is the gas returning port of the 4th valve port S4 → compressor 10 of second valve port S2 → magnetic valve 60 of exhaust outlet → heat regenerator 31 → first throttle parts 32 → second section stream unit 42 → outdoor unit heat exchanger 41 → cross valve 20 of compressor 10.When the present embodiment only moves domestic hot-water's pattern processed in multi-connected machine system, multi-link system is controlled the unlatching size of first throttle parts 32 according to the temperature difference of environment temperature, outdoor unit heat exchanger 41 second ends and outdoor unit heat exchanger 41 first ends and compressor 10 exhaust outlet temperature.
4, multi-connected machine system is moved simultaneously and is heated and when domestic hot-water's pattern processed, controlling cross valve 20 powers on, magnetic valve 60 is opened, now, outdoor unit heat exchanger 41 is as evaporimeter, indoor set heat exchanger 51 is as condenser, refrigerant flow direction divides two-way: a road is the 4th valve port S4 → compressor 10 gas returning ports of second valve port S2 → cross valve 20 of the 3rd valve port S3 → indoor set heat exchanger 51 → three throttle part 52 → second section stream unit 42 → outdoor unit heat exchanger 41 → cross valve 20 of first valve port S1 → cross valve 20 of exhaust outlet → magnetic valve 60 → cross valve 20 of compressor 10, another road is the gas returning port of the 4th valve port S4 → compressor 10 of second valve port S2 → magnetic valve 60 of exhaust outlet → heat regenerator 31 → first throttle parts 32 → second section stream unit 42 → outdoor unit heat exchanger 41 → cross valve 20 of compressor 10.The present embodiment moves at the same time and heats and when domestic hot-water's pattern processed, DC frequency-changing blower fan 43 and compressor 10 start simultaneously, multi-connected machine system is first according to 43 of the leaving air temp control and regulation DC frequency-changing blower fan of outdoor unit heat exchanger 41 rotating speed, in multi-connected machine cooling system operation a period of time, (a period of time presets, such as half an hour, one hour or two hours etc.) after, then control to adjust the rotating speed of DC frequency-changing blower fan 43 according to the temperature of outdoor unit heat exchanger 41 first ends.
It should be noted that, in the present embodiment, cross valve 20 power down and what power on can be by controller control, can be also the control system control original by system, the closing and open by controller control of magnetic valve 60.
Further, the multi-connected machine system of the present embodiment also comprises oil eliminator 80, and the exhaust outlet of frequency-changeable compressor 10 connects the first end A1 of the first heat-exchanger rig 30 and the other end of magnetic valve 60 through oil eliminator 80.The first heat-exchanger rig 30 also comprises that the first stop valve 34, the second heat-exchanger rigs 40 also comprise that the second stop valve 44, the three heat-exchanger rigs 50 also comprise the 3rd stop valve 44; The first end A1 of the first heat-exchanger rig 30 connects the exhaust outlet of compressor 10 and the first valve port S1 of cross valve 20 through the first stop valve 34; The first end B1 of the second heat-exchanger rig 40 connects the first end A1 of the first heat-exchanger rig 30 and the first end B1 of the second heat-exchanger rig 40 through the second stop valve 44; The second end C2 of the 3rd heat-exchanger rig 50 connects the 3rd valve port S3 of cross valve 20 through the 3rd stop valve 53.By manual-lock or open the first stop valve 34, realize closing or opening of working line to the first heat-exchanger rig 30; By manual-lock or open the second stop valve 44, realize closing or opening of working line to the second heat-exchanger rig 40; By manual-lock or open the 3rd stop valve 53, realize closing or opening of working line to the 3rd heat-exchanger rig 50.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a multi-connected machine system, comprise compressor, cross valve, the first heat-exchanger rig, the second heat-exchanger rig, the 3rd heat-exchanger rig, it is characterized in that, the first end of described the first heat-exchanger rig connects the exhaust outlet of described compressor and the first valve port of described cross valve, and the second end of described the first heat-exchanger rig connects the first end of described the second heat-exchanger rig and the first end of described the 3rd heat-exchanger rig; The second end of described the second heat-exchanger rig connects the second valve port of described cross valve, and the second end of described the 3rd heat-exchanger rig connects the 3rd valve port of described cross valve, and the 4th valve port of described cross valve connects the gas returning port of described compressor.
2. multi-connected machine system according to claim 1, it is characterized in that, also comprise magnetic valve, one end of described magnetic valve is connected with the first valve port of described cross valve, and the other end of described magnetic valve connects the exhaust outlet of described compressor and the first end of described the first heat-exchanger rig.
3. multi-connected machine system according to claim 2, it is characterized in that, also comprise Control Component, described Control Component comprises the controller being electrically connected with described magnetic valve, described the first heat-exchanger rig comprises heat regenerator and the first throttle parts that are electrically connected with described controller, the refrigerant import of described heat regenerator are the first end of described the first heat-exchanger rig, the refrigerant exit of described heat regenerator connects one end of described first throttle parts, and the other end of described first throttle parts is the second end of described the first heat-exchanger rig.
4. multi-connected machine system according to claim 3, is characterized in that, described Control Component also comprises the temperature sensor being electrically connected with described controller, and described temperature sensor is arranged on the refrigerant exit of described heat regenerator.
5. multi-connected machine system according to claim 3, is characterized in that, also comprises the water pump being connected with described heat regenerator.
6. according to the multi-connected machine system described in any one in claim 3-5, it is characterized in that, described the second heat-exchanger rig comprises the DC frequency-changing blower fan that outdoor unit heat exchanger, second section stream unit and corresponding described outdoor unit heat exchanger arrange, the first end of described outdoor unit heat exchanger connects one end of described second section stream unit, the other end of described second section stream unit is the first end of described the second heat-exchanger rig, and the second end of described outdoor unit heat exchanger is the second end of described the second heat-exchanger rig.
7. multi-connected machine system according to claim 6, it is characterized in that, described the 3rd heat-exchanger rig comprises at least one indoor set heat exchanger and the 3rd throttle part, described indoor set heat exchanger is corresponding one by one with the 3rd throttle part, the first end of described outdoor unit heat exchanger connects the first end of described the second heat-exchanger rig through the 3rd throttle part of its correspondence, the second end of described outdoor unit heat exchanger connects the second end of described the second heat-exchanger rig.
8. multi-connected machine system according to claim 7, is characterized in that, also comprises oil eliminator, and the exhaust outlet of described compressor connects the first end of described the first heat-exchanger rig and the other end of described magnetic valve through described oil eliminator.
9. multi-connected machine system according to claim 8, is characterized in that, described first throttle parts, second section stream unit and the 3rd throttle part are electric expansion valve.
10. multi-connected machine system according to claim 1, is characterized in that, described the first heat-exchanger rig also comprises the first stop valve, and described the second heat-exchanger rig also comprises the second stop valve, and described the 3rd heat-exchanger rig also comprises the 3rd stop valve; The first end of described the first heat-exchanger rig connects the exhaust outlet of described compressor and the first valve port of described cross valve through described the first stop valve; The first end of described the second heat-exchanger rig connects the first end of described the first heat-exchanger rig and the first end of described the second heat-exchanger rig through described the second stop valve; The second end of described the 3rd heat-exchanger rig connects the 3rd valve port of described cross valve through described the 3rd stop valve.
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| CN201320393950.6U CN203595314U (en) | 2013-07-03 | 2013-07-03 | Multi-online system |
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| CN201320393950.6U CN203595314U (en) | 2013-07-03 | 2013-07-03 | Multi-online system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748261A (en) * | 2015-03-31 | 2015-07-01 | 广东美的暖通设备有限公司 | Multi-split system |
| CN109579357A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of multi-connected machine heat pump system and control method with efficient recuperation of heat |
| CN109579356A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of temperature control multi-connected machine heat pump system and control method with heat recovery function |
| WO2020015296A1 (en) * | 2018-07-20 | 2020-01-23 | 珠海格力电器股份有限公司 | Multi-split cold and hot water unit |
| CN111595000A (en) * | 2020-05-18 | 2020-08-28 | 广东美的暖通设备有限公司 | Air conditioning system, control method and device of hydraulic module of air conditioning system and storage medium |
| CN112283818A (en) * | 2019-07-23 | 2021-01-29 | 合肥美的暖通设备有限公司 | Multi-split system |
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2013
- 2013-07-03 CN CN201320393950.6U patent/CN203595314U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748261A (en) * | 2015-03-31 | 2015-07-01 | 广东美的暖通设备有限公司 | Multi-split system |
| WO2020015296A1 (en) * | 2018-07-20 | 2020-01-23 | 珠海格力电器股份有限公司 | Multi-split cold and hot water unit |
| CN109579357A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of multi-connected machine heat pump system and control method with efficient recuperation of heat |
| CN109579356A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of temperature control multi-connected machine heat pump system and control method with heat recovery function |
| CN112283818A (en) * | 2019-07-23 | 2021-01-29 | 合肥美的暖通设备有限公司 | Multi-split system |
| CN111595000A (en) * | 2020-05-18 | 2020-08-28 | 广东美的暖通设备有限公司 | Air conditioning system, control method and device of hydraulic module of air conditioning system and storage medium |
| CN111595000B (en) * | 2020-05-18 | 2022-03-29 | 广东美的暖通设备有限公司 | Air conditioning system, control method and device of hydraulic module of air conditioning system and storage medium |
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