CN1256557C - Heat pump type multi-channel air conditioner - Google Patents
Heat pump type multi-channel air conditioner Download PDFInfo
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- CN1256557C CN1256557C CN 02153214 CN02153214A CN1256557C CN 1256557 C CN1256557 C CN 1256557C CN 02153214 CN02153214 CN 02153214 CN 02153214 A CN02153214 A CN 02153214A CN 1256557 C CN1256557 C CN 1256557C
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Abstract
The present invention provides a heat pump type multi-channel air conditioner which relates to a heat pump type multi-channel air conditioner which is provided with a plurality of indoor units and can independently carry out refrigeration and heating. The heat pump type multi-channel air conditioner comprises a plurality of heat exchangers arranged in each indoor unit, a plurality of outdoor heat exchangers, a compressor, a direction switching valve and a refrigerant flowing switching device, wherein one end of the direction switching valve is connected with the indoor heat exchangers and the outdoor heat exchangers by cooling medium piping, the other end is connected with an inlet and an outlet of the compressor, and the refrigerant flowing switching device causes the indoor units to carry out refrigeration or heating simultaneously, parts of the indoor units to carry out refrigeration and other indoor units to carry out heating. The heat pump type multi-channel air conditioner has the advantages that the operation mode of a first indoor unit and a second indoor unit can be freely changed, for example, the first indoor unit and the second indoor unit simultaneously carry out the refrigeration operation, or the first indoor unit and the second indoor unit simultaneously carry out the heating operation, or the first indoor unit and the second indoor unit independently carry out operation, etc., and a more comfortable environment is created for a user by making use of one compressor and two indoor units.
Description
Technical field
What the present invention relates to is air regulator, particularly be can control the heat-pump-type multichannel air regulator that carries out cooling operation or the warm running of system separately about each room.
Background technology
With the heat-pump-type multichannel air regulator that has as shown in Figures 1 and 2, comprise: the compressor 11 that the gas refrigerant of low-temp low-pressure is become high-temperature high-pressure state will be delivered to outdoor heat converter from the cold-producing medium of compressor 11 outputs when carrying out cooling operation, when making warm running, deliver to the cross valve 12 of indoor heat converter 23, the condensing unit that the gas refrigerant of HTHP is condensed into liquid refrigerant (is outdoor heat converter 13 during refrigeration, system is an indoor heat converter 23 when warm), to become the expander 14 of the gas-liquid mixed refrigerant of low-temp low-pressure by the liquid refrigerant of condensing unit condensation, absorbing outside heat (is indoor heat converter 23 during refrigeration with the vaporising device that gas-liquid mixed refrigerant becomes gaseous state, system is an outdoor heat converter 13 when warm), be arranged on the side of described outdoor heat converter 13, send air to heat exchange, improve the outdoor fan (not looking among the figure) by outdoor fan (not looking among the figure) and motor (not looking among the figure) formation of heat exchanger effectiveness, room air is moved to described indoor heat converter, and with cold air or heating installation row to the indoor indoor fan (not looking among the figure) that constitutes by indoor fan 21 and motor 28, the magnetic valve 30 that the control cold-producing medium flows into described heat exchanger constitutes.
Described indoor heat converter 23 and indoor fan 21 and motor 28 are arranged in the 1st indoor set 1 and the 2nd indoor set 2, with outdoor heat converter 13, compressor 11, cross valve 12, just can freeze simultaneously or make warm when expander 14, outdoor fan and motor are arranged on the off-premises station 3 a plurality of rooms.
In the heat-pump-type multichannel air regulator in the past that as above constitutes, some or whole indoor sets in described the 1st indoor set 1 and the 2nd indoor set 2 are all started when carrying out cooling operation, described cross valve 12 as shown in Figure 1, convert refrigeration mode to, the cold-producing medium of the HTHP of compressor 11 output is delivered to outdoor heat converter 13, and described outdoor heat converter 13 is as condenser running, and the heat of cold-producing medium is discharged to the outside.After having passed through in the outdoor heat exchanger 13, cold-producing medium becomes in the low-temp low-pressure state inflow indoor heat exchanger 23 through expander 14, absorbs the indoor heat that the 1st indoor set 1 and the 2nd indoor set 2 are set.
Some or whole indoor sets in described the 1st indoor set 1 and the 2nd indoor set 2 are all made warm circulation time, described cross valve 12 as shown in Figure 2, the warm pattern of the system that converts to makes the flow direction of cold-producing medium opposite with refrigeration mode, makes the warm running of the 1st indoor set or the 2nd indoor set system.
But the 1st indoor set 1 of above-mentioned heat-pump-type multichannel air regulator and the 2nd indoor set 2 can not be independent freezes and makes warm.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, a kind of control of switching refrigerant flow direction and magnetic valve with the direction transfer valve is provided, make the free conversion operation mode of a plurality of indoor sets, can freeze or make warm heat-pump-type multichannel air regulator separately to provide convenience to the user.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of heat-pump-type multichannel air regulator, its structure include a plurality of heat exchangers that are arranged in each indoor set; A plurality of outdoor heat converters; Be compressed in the compressor of a plurality of indoor, outdoor heat converter inner refrigerants, this air regulator also includes and switches the cold-producing medium loop direction and a plurality of indoor sets are freezed or make the direction transfer valve that warms up, one end of this direction transfer valve links to each other with a plurality of indoor and outdoor heat exchanger with coolant piping, and its other end links to each other with the inlet and the outlet of compressor; And a plurality of indoor sets are freezed simultaneously or make warm, make a part of indoor set refrigeration, the flow of refrigerant switching device shifter that the indoor mechanism of another part is warm, described flow of refrigerant switching device shifter comprises: when the 1st indoor set carries out cooling operation, during the warm running of the 2nd indoor set system, between the input pipe arrangement of the output pipe arrangement of compressor output part of refrigerant and the 2nd heat exchanger, be connected the 1st arm; Infall at output pipe arrangement and the 1st arm has the 1-3 way solenoid valve; On the 1st arm, control the 1-2 way solenoid valve that cold-producing medium flows into to the 2nd heat exchanger in addition.
The invention has the beneficial effects as follows: heat-pump-type multichannel air regulator of the present invention is switched the flow direction of cold-producing medium by the direction transfer valve, and utilize the 1st, magnetic valve on 2 arms and coolant piping and the pipeline that the indoor and outdoor heat exchanger is connected, be free to conversion the 1st, the operation mode of 2 indoor sets, as: the 1st, 2 indoor sets carry out cooling operation simultaneously, perhaps the 1st, 2 indoor sets are made warm running simultaneously, or the 1st indoor set and the 2nd indoor set turn round separately etc., thereby utilize a compressor and 2 indoor sets to create more comfortable environment to the user.
Description of drawings
The major part structure chart of flow of refrigerant when Fig. 1 represents that all indoor sets of prior art heat pump air conditioner carry out cooling operation.
Fig. 2 represents that all indoor sets of prior art design heat-pump-type multichannel air regulator all make the major part structure chart of the flow of refrigerant of warm circulation time.
The major part structure chart of flow of refrigerant when Fig. 3 represents that the 1st, 2 indoor set of heat-pump-type multichannel air regulator of the present invention carries out cooling operation.
Fig. 4 represents that the 1st, 2 indoor set system of heat-pump-type multichannel air regulator of the present invention warms up the major part structure chart of flow of refrigerant when turning round.
Fig. 5 represents that the 1st indoor set of heat-pump-type multichannel air regulator of the present invention carries out cooling operation, the major part structure chart of the flow of refrigerant when the 2nd indoor set system warms up running.
Fig. 6 represents that the 2nd indoor set of heat-pump-type multichannel air regulator of the present invention carries out cooling operation, the major part structure chart of flow of refrigerant when the 1st indoor set system warms up running.
Fig. 7 represents that the 1st indoor set of heat-pump-type multichannel air regulator of the present invention carries out cooling operation, the operating state sketch of 1-3,2-3 magnetic valve when the 2nd indoor set system warms up running.
Fig. 8 represents that the 2nd indoor set of heat-pump-type multichannel air regulator of the present invention carries out cooling operation, the operating state sketch of 1-3,2-3 magnetic valve when the 1st indoor set system warms up running.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in detail:
The present invention is a kind of heat-pump-type multichannel air regulator, and its structure includes a plurality of heat exchangers that are arranged in each indoor set; A plurality of outdoor heat converters; Be compressed in the compressor of a plurality of indoor, outdoor heat converter inner refrigerants, this air regulator also includes and switches the cold-producing medium loop direction and a plurality of indoor sets are freezed or make the direction transfer valve 80 that warms up, one end of this direction transfer valve 80 links to each other with a plurality of indoor and outdoor heat exchanger with coolant piping, and its other end links to each other with the inlet and the outlet of compressor; And a plurality of indoor sets are freezed simultaneously or make warmly, make a part of indoor set refrigeration, the flow of refrigerant switching device shifter that the indoor mechanism of another part is warm.
The flow of refrigerant switching device shifter comprises: when the 1st indoor set carries out cooling operation, during the warm running of the 2nd indoor set system, be connected the 1st arm 90 between the input pipe arrangement 62a of the output pipe arrangement 74a of compressor 74 output part of refrigerant and the 2nd heat exchanger 62; Infall at output pipe arrangement 74a and the 1st arm 90 has 1-3 way solenoid valve 91; On the 1st arm 90, control the 1-2 way solenoid valve 92 that cold-producing medium flows into to the 2nd heat exchanger in addition.
Described flow of refrigerant switching device shifter comprises: when the 2nd indoor set carries out cooling operation, during the warm running of the 1st indoor set system, between the input pipe arrangement 52a of the output pipe arrangement 74a of compressor 74 output part of refrigerant and the 1st heat exchanger 52, be connected the 2nd arm 100; Infall at output pipe arrangement 74a and the 2nd arm 100 has 2-3 way solenoid valve 101; On the 2nd arm 100, control the 2-2 way solenoid valve 102 that cold-producing medium flows into to the 1st heat exchanger in addition.
Described flow of refrigerant switching device shifter comprises: when the warm running of described the 1st indoor set system, when the 2nd indoor set carries out cooling operation, the 3-2 way solenoid valve 110 that cuts off flow of refrigerant is arranged on the pipe arrangement that connects between the 1st heat exchanger 52 and the direction transfer valve 80; When the warm running of described the 2nd indoor set system, when the 1st indoor set carries out cooling operation, the 4-2 way solenoid valve 111 that cuts off flow of refrigerant is arranged on the pipe arrangement that connects between the 2nd heat exchanger 62 and the direction transfer valve 80; Controlling party is to the control part of transfer valve 80 and 1-3 and 2-3 way solenoid valve 91,101 and 1-2,2-2,3-2,4-2 magnetic valve 92,102,110,111.
Heat-pump-type multichannel air regulator such as Fig. 3 and shown in Figure 6 of the present invention design, two indoor sets 51,61 utilize a compressor 74 to freeze separately and makes and warm up, and comprising: be arranged on the 1st heat exchanger 52 on the 1st indoor set 51; Be arranged on the 2nd heat exchanger 62 on the 2nd indoor set 61; When the 1st indoor set 51 freezes when turning round as condenser, make warm the 3rd heat exchanger 71 as the evaporimeter running; The 2nd indoor set 61 freezes as the condenser running, makes warm the 4th heat exchanger 72 as the evaporimeter running; Be compressed in the compressor 74 of cold-producing medium of heat exchanger 52,62,71,72 inner loop of Room the 1st, 2,3,4, the heat exchanger 52,62,71,72 by coolant piping and the 1st, 2,3, Room 4 links to each other; Opposite side links to each other with the entrance and exit of compressor 74, the direction transfer valve 80 of the loop direction of conversion cold-producing medium; Conversion the described the 1st, 2,3, the heat exchanger 52 of Room 4, the loop direction of the cold-producing medium in 62,71,72, so that the 1st indoor set 51 and the 2nd indoor set 61 carry out cooling operation or the warm running of system simultaneously or make wherein some cooling operations that carries out, and another flow of refrigerant switching device shifter of making warm running constitutes.
On the 1st indoor set 51 and the 2nd indoor set 61, respectively be provided with room air is forced to deliver in the 1st heat exchanger 52 or the 2nd heat exchanger 62, and will be by the 1st, the air that becomes cold air or heating installation behind 2 heat exchangers 52,62 is arranged to indoor indoor fan 53,63 again.
Illustrate below in conjunction with Fig. 5: when the 1st indoor set 51 carries out cooling operation, when the 2nd indoor set 61 is made warm the running, the 1st changes in temperature individual drive and Dang Di 2 indoor sets 61 that will guide to from the cold-producing medium that the outlet of compressor 74 is exported the input pipe arrangement 62a on the 2nd heat exchanger 62 carry out cooling operation, when the 1st indoor set 51 is made warm the running, as shown in Figure 6, the 2nd changes in temperature individual drive that will guide to from the cold-producing medium of the outlet of compressor 74 output the input pipe arrangement 52a on the 1st heat exchanger 52 constitutes.
When the 1st indoor set 51 carries out cooling operation, when the 2nd indoor set 52 is made warm the running, for guiding to the 2nd heat exchanger 62, the 1 changes in temperature drive units, the part of refrigerant with compressor 74 outputs comprises: the 1st arm 90 of the output pipe arrangement 74a of connection compressor 74 and the input pipe arrangement 62a of the 2nd heat exchanger 62; In order to make cold-producing medium flow into described the 1st arm 90 inside, export the 1-3 way solenoid valve 91 that is provided with on the intersection point of pipe arrangement 74a at the 1st arm 90 and compressor; In order to make cold-producing medium flow into the input pipe arrangement 62a of the 2nd heat exchanger 62, the 1-2 way solenoid valve that flows 92 that is provided with cold-producing medium between input pipe arrangement 62a and the 1st arm 90 constitutes.
When the 2nd indoor set 61 carries out cooling operation, when the 1st indoor set 52 is made warm the running, for guiding to the 1st heat exchanger 52, the 2 changes in temperature drive units, the part of refrigerant with compressor 74 outputs comprises: the 2nd arm 100 of the output pipe arrangement 74a of connection compressor 74 and the input pipe arrangement 52a of the 1st heat exchanger 52; In order to make cold-producing medium flow into the 2nd arm 100 inside, and the 2-3 way solenoid valve 101 that on the intersection point of the 2nd arm 100 and compressor output pipe arrangement 74a, is provided with; In order to make cold-producing medium flow into the input pipe arrangement 52a of the 1st heat exchanger 52, between input pipe arrangement 52a and the 2nd arm 100, be provided with the 2-2 way solenoid valve 102 that flows of controlling cryogen.
Inside at 1-3 and 2-3 magnetic valve 91,101 respectively is provided with ball 91a, and 101a is when the 1st indoor set 51 and the 2nd indoor set 61 all carry out cooling operation or all make warm running, described ball 91a, 101a moves, and seals the 1st, the inlet 90a of 2 arms 90,100,100a.
When the 1st indoor set 51 carries out cooling operation, when the 2nd indoor set 61 is made warm running as shown in Figure 7, the ball 91a of described 1-3 magnetic valve 91 is to central mobile, and opening the inlet 90a of the 1st arm 90, and the ball 101a of described 2-3 magnetic valve 101 moves the inlet 100a that closes the 2nd arm 100.
When the 1st indoor set 51 is made warm running, when the 2nd indoor set 61 carries out cooling operation as shown in Figure 8, the ball 91a of 1-3 magnetic valve 91 is to the inlet 90a that moves sealing the 1st arm 90, and the ball 101a of 2-3 magnetic valve 101 is to central mobile, to open the inlet 100a of the 2nd arm 100.
The flow of refrigerant switching device shifter comprises: make warm running when the 1st indoor set 51, when the 2nd indoor set 61 carries out cooling operation, cut off the 3-2 magnetic valve 110 that cold-producing medium flows between the 1st heat exchanger 52 and direction transfer valve 80; Make warm running when the 2nd indoor set 61, when the 1st indoor set 51 carries out cooling operation, cut off the 4-2 magnetic valve 111 that cold-producing medium flows between the 2nd heat exchanger 62 and direction transfer valve 80; Controlling party constitutes to the control part (not looking among the figure) of transfer valve 80 and 1-3 and 2-3 way solenoid valve 91,101 and 1-2,2-2,3-2,4-2 magnetic valve 92,102,110,111.
Promptly, direction transfer valve 80 is according to the signal of control part, when the 1st indoor set 51 and the 2nd indoor set 61 all carry out cooling operation, as shown in Figure 3, the cold-producing medium of guiding compressor 74 outputs enters the 3rd when guiding the cold-producing medium of the 1st heat exchanger 52 and the 2nd heat exchanger 62 to enter compressor 74, in 4 heat exchangers 71,72.And when the 1st indoor set 51 and the 2nd indoor set 61 were all made warm running, the cold-producing medium of guiding compressor 74 outputs entered in the 1st, 2 heat exchanger 52,62 when guiding the cold-producing medium of the 3rd heat exchanger 71 and the 4th heat exchanger 72 to enter compressor 74.Carry out cooling operation and work as the 1st indoor set 51, as shown in Figure 5, the cold-producing medium of guiding compressor 74 outputs entered the 3rd heat exchanger 71 when guiding the cold-producing medium of the 1st heat exchanger 52 and the 4th heat exchanger 72 to enter in the compressor 74 when the 2nd indoor set 61 was made warm running.Carry out cooling operation and work as the 2nd indoor set 61, as shown in Figure 6, the cold-producing medium of guiding compressor 74 outputs entered the 4th heat exchanger 72 when guiding the cold-producing medium of the 2nd heat exchanger 62 and the 3rd heat exchanger 71 to enter in the compressor 74 when the 1st indoor set 51 was made warm running.
In addition, as shown in the figure, on off-premises station 70, be provided with the 5-2 magnetic valve 112 of the flow of refrigerant in the coolant piping 71a of control connection the 1st heat exchanger 52 and the 3rd heat exchanger 71 and cold-producing medium is become the 1st expansion gear 121 of low-temp low-pressure state and the coolant piping 72a of control connection the 2nd heat exchanger 62 and the 4th heat exchanger 72 in flow of refrigerant 6-2 magnetic valve 113 and cold-producing medium is become the 2nd expansion gear 122 of low-temp low-pressure state.
And to 1-2,2-2,3-2,4-2,5-2,6-2 magnetic valve 92,102,110,111,112,113 carry out following control to described control part according to the drive manner of the 1st indoor set 51 and the 2nd indoor set 61.
| The 1-2 valve | 3-2 valve 2-2 valve | The 4-2 valve | The 5-2 valve | The 6-2 valve | |
| Indoor set 1 refrigeration | Close | Open and close | Open | Open | Open |
| Warm | Close | Open and close | Open | Open | Open |
| Indoor set 1 refrigeration | Open | Open and close | Close | Open | Open |
| Warm | Close | Close and open | Open | Open | Open |
As above the effect of the present invention of Gou Chenging is as follows:
When the user controlled the 1st indoor set 51 and the 2nd indoor set 61 and carries out cooling operation, described control part started compressor 74, indoor fan 53,63, outdoor fan as shown in Figure 3, described direction transfer valve 80 is switched to refrigeration mode, and close described 1-2,2-2 magnetic valve 92,102, open 3-2,4-2,5-2,6-2 magnetic valve 110,111,112,113, and give each magnetic valve 91,92,101,102,110,111,112,113 send control signal.So that the ball 91a in the 1-3,2-3 magnetic valve 91,101,101a seals the inlet 90a of the 1st, 2 arm 90,100,100a.
When at this moment, direction transfer valve 80 is introduced the 3rd, 4 heat exchanger 71,72 sides with the cold-producing medium of compressor 74 output pipe arrangement 74a the cold-producing medium of the 1st, 2 heat exchanger 52,62 is introduced the inlet of compressor 74.Thus, passed through the 1st, 2 heat exchanger 52,62 cold-producing medium enters the 3rd after becoming high-temperature high-pressure state in 3-2,4-2 magnetic valve 110, the 111 inflow compressors 74,4 heat exchangers 71, carry out heat exchange with outdoor air in 72, and through after expansion gear 121,122 expansions, flow into the 1st once more, carry out heat exchange with room air in 2 heat exchangers 52,62, to freeze to indoor.
The user controls the 1st indoor set 51 and the 2nd indoor set 61 is made when warming up running, and described control part starts compressor 74 as shown in Figure 4, indoor fan 53,63, outdoor fan with the warm pattern of described direction transfer valve 80 system of switching to, and is closed described 1-2,2-2 magnetic valve 92,102, open 3-2,4-2,5-2,6-2 magnetic valve 110,111,112,113, and give each magnetic valve 91,92,101,102,110,111,112,113 send control signal, so that 1-3,2-3 magnetic valve 91, ball 91a in 101,101a seals the 1st, 2 arm 90,100 inlet 90a, 100a.
When at this moment, direction transfer valve 80 is introduced the 1st, 2 heat exchanger 52,62 with the cold-producing medium of compressor 74 output pipe arrangement 74a the cold-producing medium of the 3rd, 4 heat exchanger 71,72 is introduced the inlet of compressor 74.Thus, passed through the 3rd, 4 heat exchanger 71, after 72 cold-producing medium flows into and becomes high-temperature high-pressure state in the compressor 74, enter the 1st, 2 heat exchanger 52 through 3-2,4-2 magnetic valve 110,111, carry out heat exchange with outdoor air in 62, and, flow into the 3rd once more through after expansion gear 121,122 expansions, carry out heat exchange with the outdoor air that sucks in 4 heat exchangers 71,72.
The user controls the 1st indoor set 51 and carries out cooling operation, when the 2nd indoor set 61 was made warm the running, control part started compressor 74 as shown in Figure 5, indoor fan 53,63, outdoor fan, direction transfer valve 80 is switched to the 1st changes in temperature drive unit, and close described 2-2,4-2 way solenoid valve 102,111, open 1-2,3-2,5-2,6-2 way solenoid valve 92,110,112,113, and to each magnetic valve 91,92,101,102,110,111,112,113 send control signal, so that the ball 91a in the 1-3 way solenoid valve 91 is to central mobile, open the inlet 90a of the 1st arm 90, and make ball 101a in the 2-3 way solenoid valve 101, close the inlet 100a of the 2nd arm 100 to a side shifting.
When at this moment, direction transfer valve 80 is introduced the 3rd heat exchanger 71 with the cold-producing medium of compressor 74 output pipe arrangement 74a the cold-producing medium of the 1st, 4 heat exchanger 52,72 is introduced the inlet of compressor 74.Thus, passed through the 1st, 4 heat exchangers 52,72 cold-producing medium flows in the compressor 74 and becomes high-temperature high-pressure state, behind 2-3 way solenoid valve 101, part of refrigerant wherein enters in the 2nd heat exchanger 62 by the 1st arm 90 at 1-3 way solenoid valve 91, and another part cold-producing medium enters in the 3rd heat exchanger 71.Promptly, the cold-producing medium that flows into the 2nd heat exchanger 62 improve after the temperature of room air through 6-2 way solenoid valve 113 and expansion gear 122 flow in the 4th heat exchanger 72 carry out heat exchange with outdoor air after, in the inflow direction transfer valve 80, carry out above-mentioned action repeatedly again.And, the cold-producing medium and the outdoor air that are flowed in the 3rd heat exchanger 71 by described direction transfer valve 80 carry out heat exchange, after reducing indoor air temperatures in 1 expansion gear 121 and 5-2 way solenoid valve 112 inflows the 1st heat exchanger 52, through 3-2 way solenoid valve 110, flow in the compressor 74 by direction transfer valve 80 again, carry out above-mentioned action repeatedly.
The user controls the 2nd indoor set 61 and carries out cooling operation, when the 1st indoor set 51 was made warm the running, control part started compressor 74 as shown in Figure 6, indoor fan 53,63 outdoor fans, direction transfer valve 80 is switched to the 2nd changes in temperature drive unit, and close described 1-2,3-2 way solenoid valve 92,110, open 2-2,4-2,5-2,6-2 way solenoid valve 102,111,112,113, and to each magnetic valve 91,92,101,102,110,111,112,113 send control signal, so that the ball 10a in the 2-3 way solenoid valve 101 is to central mobile, open the inlet 100a of the 2nd arm 100, and make ball 91a in the 1-3 way solenoid valve 91, close the inlet 90a of the 1st arm 90 to a side shifting.
When at this moment, direction transfer valve 80 is introduced the 4th heat exchanger 72 with the cold-producing medium of compressor 74 output pipe arrangement 74a the cold-producing medium of the 2nd, 3 heat exchanger 62,71 is introduced the inlet of compressor 74.Thus, passed through the 2nd, 3 heat exchangers 62,71 cold-producing medium flows in the compressor 74 and becomes high-temperature high-pressure state, part of refrigerant wherein enters in the 1st heat exchanger 52 by the 2nd arm 100 at 2-3 magnetic valve 101, and another part cold-producing medium enters in the 4th heat exchanger 72 through 1-3 way solenoid valve 91 and direction transfer valve 80.
Promptly, the cold-producing medium that flows into the 1st heat exchanger 52 improve after the temperature of room air flow in the 3rd heat exchanger 71 air with the outside and carry out heat exchange through 5-2 way solenoid valve 112 and expansion gear 121 after, in the inflow direction transfer valve 80, carry out above-mentioned action repeatedly again.
And, the cold-producing medium and the outdoor air that are flowed in the 4th heat exchanger 72 by described direction transfer valve 80 carry out heat exchange, after reducing indoor air temperatures in 2 expansion gears 122 and 6-2 magnetic valve 113 inflows the 1st heat exchanger 62, through 4-2 way solenoid valve 111, flow in the compressor 74 by described direction transfer valve 80 again, carry out above-mentioned action repeatedly.
Claims (3)
1. heat-pump-type multichannel air regulator, its structure includes a plurality of heat exchangers that are arranged in each indoor set; A plurality of outdoor heat converters; Be compressed in the compressor of a plurality of indoor, outdoor heat converter inner refrigerants, this air regulator also includes and switches the cold-producing medium loop direction and a plurality of indoor sets are freezed or make the direction transfer valve that warms up, one end of this direction transfer valve links to each other with a plurality of indoor and outdoor heat exchanger with coolant piping, and its other end links to each other with the inlet and the outlet of compressor; And a plurality of indoor sets are freezed simultaneously or make warm, make a part of indoor set refrigeration, the flow of refrigerant switching device shifter that the indoor mechanism of another part is warm, it is characterized in that described flow of refrigerant switching device shifter comprises: when the 1st indoor set carries out cooling operation, during the warm running of the 2nd indoor set system, between the input pipe arrangement (62a) of the output pipe arrangement (74a) of compressor (74) output part of refrigerant and the 2nd heat exchanger (62), be connected the 1st arm (90); Infall at output pipe arrangement (74a) and the 1st arm (90) has 1-3 way solenoid valve (91); On the 1st arm (90), control the 1-2 way solenoid valve (92) that cold-producing medium flows into to the 2nd heat exchanger in addition.
2. according to the air regulator described in the claim 1, it is characterized in that described flow of refrigerant switching device shifter comprises: when the 2nd indoor set carries out cooling operation, during the warm running of the 1st indoor set system, between the input pipe arrangement (52a) of the output pipe arrangement (74a) of compressor (74) output part of refrigerant and the 1st heat exchanger (52), be connected the 2nd arm (100); Infall at output pipe arrangement (74a) and the 2nd arm (100) has 2-3 way solenoid valve (101); On the 2nd arm (100), control the 2-2 way solenoid valve (102) that cold-producing medium flows into to the 1st heat exchanger in addition.
3. according to the air regulator described in the claim 2, it is characterized in that described flow of refrigerant switching device shifter comprises: when the warm running of described the 1st indoor set system, when the 2nd indoor set carries out cooling operation, the 3-2 way solenoid valve (110) that cuts off flow of refrigerant is arranged on the pipe arrangement that connects between the 1st heat exchanger (52) and the direction transfer valve (80); When the warm running of described the 2nd indoor set system, when the 1st indoor set carries out cooling operation, the 4-2 way solenoid valve (111) that cuts off flow of refrigerant is arranged on the pipe arrangement that connects between the 2nd heat exchanger (62) and the direction transfer valve (80); Controlling party is to the control part of transfer valve (80) and 1-3 and 2-3 way solenoid valve (91,101) and 1-2,2-2,3-2,4-2 magnetic valve (92,102,110,111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153214 CN1256557C (en) | 2002-11-26 | 2002-11-26 | Heat pump type multi-channel air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153214 CN1256557C (en) | 2002-11-26 | 2002-11-26 | Heat pump type multi-channel air conditioner |
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| CN1502952A CN1502952A (en) | 2004-06-09 |
| CN1256557C true CN1256557C (en) | 2006-05-17 |
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| CN 02153214 Expired - Fee Related CN1256557C (en) | 2002-11-26 | 2002-11-26 | Heat pump type multi-channel air conditioner |
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| CN107975957B (en) * | 2016-10-25 | 2021-01-29 | 青岛海尔智能技术研发有限公司 | Refrigeration system, refrigeration equipment and control method thereof |
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| CN109323478B (en) * | 2018-07-30 | 2024-06-07 | 浙江普林艾尔电器工业有限公司 | Multi-terminal refrigerating system with safe and reliable backflow of refrigerant |
| CN110030757A (en) * | 2019-03-26 | 2019-07-19 | 青岛海尔空调电子有限公司 | Multi-gang air-conditioner and its control method |
| CN218096348U (en) * | 2022-06-27 | 2022-12-20 | 广东海悟科技有限公司 | Multi-mode circulating air conditioning device and refrigerating system |
-
2002
- 2002-11-26 CN CN 02153214 patent/CN1256557C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413730B (en) * | 2008-09-27 | 2010-06-02 | 北京库蓝科技有限公司 | Energy-saving type refrigeration and dehumidification integrated machine |
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| Publication number | Publication date |
|---|---|
| CN1502952A (en) | 2004-06-09 |
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