Air conditioner

Abstract

The utility model discloses an air conditioner which comprises a compressor, an outdoor heat exchanger, at least two indoor heat exchangers and a throttling device. An exhaust port of the compressor, the outdoor heat exchanger, the throttling device, the indoor heat exchanger and an air return port of the compressor are sequentially connected to form a first heat exchange loop. An exhaust port of the compressor, one indoor heat exchanger, the throttling device, the other indoor heat exchanger and an air return port of the compressor are sequentially connected to form a third heat exchange loop; the first heat exchange loop and the third heat exchange loop are parallel circulation loops. According to the air conditioner, the operation modes of refrigeration and heating can be achieved at the same time according to the operation mode of the air conditioner, and the power consumption of the air conditioner system is reduced.

Description

Technical Field

[0001] The utility model relates to the field of air conditioners, in particular to an air conditioner. Background Art

[0002] As people's material life improves, air conditioners have gradually become a necessity in people's lives, and people have also put forward higher requirements for air conditioners' cooling capacity, heating capacity, energy efficiency, etc. The existing multi-split air conditioning system can only operate in full cooling or full heating mode, and cannot achieve the operation mode of cooling some indoor units while heating the rest of the indoor units. Utility Model Content

[0003] The main purpose of the utility model is to provide an air conditioner, which is intended to be able to simultaneously realize cooling and heating operation modes according to the operation mode of the air conditioner, and to reduce the power consumption of the air conditioning system.

[0004] To achieve the above-mentioned purpose, the air conditioner proposed by the utility model comprises:

[0005] A compressor, an outdoor heat exchanger, at least two indoor heat exchangers and a throttling device;

[0006] The exhaust port of the compressor, the outdoor heat exchanger, the throttling device, the indoor heat exchanger and the return air port of the compressor are connected in sequence to form a first heat exchange loop;

[0007] The exhaust port of the compressor, one of the indoor heat exchangers, the throttling device, another of the indoor heat exchangers and the return air port of the compressor are connected in sequence to form a third heat exchange loop;

[0008] Wherein, the first heat exchange circuit and the third heat exchange circuit are parallel circulation circuits.

[0009] In one embodiment, the exhaust port of the compressor, at least one indoor heat exchanger, the throttling device, the outdoor heat exchanger and the return air port of the compressor are connected in sequence to form a second heat exchange loop.

[0010] In one embodiment, the air conditioner further comprises a first reversing valve, wherein a first connecting port, a second connecting port and a third connecting port of the first reversing valve are respectively connected to an exhaust port of the compressor, the outdoor heat exchanger and the indoor heat exchanger; and

[0011] a second reversing valve, wherein the first connecting port, the second connecting port and the third connecting port of the second reversing valve are respectively connected to the exhaust port of the compressor, the indoor heat exchanger and the return air port of the compressor;

[0012] By switching the channels of the first reversing valve and the second reversing valve, cooling of part of the indoor heat exchanger and heating of part of the indoor heat exchanger are achieved.

[0013] In one embodiment, the first reversing valve and the second reversing valve are three-way flow-dividing regulating valves.

[0014] In one embodiment, the second reversing valve comprises a first three-way valve and a second three-way valve, and the first three-way valve and the second three-way valve are arranged in parallel;

[0015] The throttling device comprises a first throttling member and a second throttling member;

[0016] The first connection port, the second connection port, and the third connection port of the first three-way valve are respectively connected to the exhaust port of the compressor, the indoor heat exchanger, the first throttling element, and the return air port of the compressor;

[0017] The first connection port, the second connection port, and the third connection port of the second three-way valve are respectively connected to the exhaust port of the compressor, the other indoor heat exchanger, the second throttling element, and the return air port of the compressor;

[0018] By switching the first reversing valve, the first three-way valve, the second three-way valve and the channel of the indoor heat exchanger, part of the indoor heat exchanger can be used for cooling and part of the indoor heat exchanger can be used for heating.

[0019] In one embodiment, the air conditioner further comprises the second reversing valve and a third three-way valve, and the third three-way valve is arranged in parallel with the first three-way valve and the second three-way valve;

[0020] The throttling device also includes a third throttling member;

[0021] The first connection port, the second connection port and the third connection port of the third three-way valve are respectively connected to the exhaust port of the compressor, the indoor heat exchanger, the third throttling element and the return air port of the compressor;

[0022] By switching the channels of the first reversing valve and the third three-way valve, cooling of part of the indoor heat exchanger and heating of part of the indoor heat exchanger can be achieved.

[0023] In one embodiment, the air conditioner further comprises a third reversing valve, wherein the first connecting port, the second connecting port and the third connecting port of the third reversing valve are respectively connected to the outdoor heat exchanger, the indoor heat exchanger and the return air port of the compressor;

[0024] By switching the channel of the third reversing valve, cooling of part of the indoor heat exchanger and heating of part of the indoor heat exchanger are achieved.

[0025] In one embodiment, the air conditioner further comprises a plurality of control valves, the air conditioner further comprises a first pipe assembly, the first pipe assembly respectively connects the exhaust port of the compressor, the outdoor heat exchanger and the indoor heat exchanger to form a first channel, a second channel and a third channel, and the plurality of control valves are respectively arranged in the first channel, the second channel and the third channel; and

[0026] A second pipe assembly, wherein the second pipe assembly is respectively connected to the exhaust port of the compressor, the indoor heat exchanger and the return air port of the compressor to form a fourth channel, a fifth channel and a sixth channel, and a plurality of control valves are respectively arranged in the fourth channel, the fifth channel and the sixth channel;

[0027] By switching the channels of the first pipe assembly and the second pipe assembly, cooling of part of the indoor heat exchanger and heating of part of the indoor heat exchanger are achieved.

[0028] In one embodiment, the air conditioner further comprises a third pipe assembly, the third pipe assembly respectively connects the outdoor heat exchanger, the indoor heat exchanger and the return air port of the compressor to form a seventh channel, an eighth channel and a ninth channel, and the plurality of control valves are respectively arranged in the seventh channel, the eighth channel and the ninth channel;

[0029] By switching the channel of the third pipe assembly, cooling of part of the indoor heat exchanger and heating of part of the indoor heat exchanger are achieved.

[0030] In one embodiment, the control valve is a one-way solenoid valve, and the one-way solenoid valve is configured to unidirectionally conduct the passages of the first pipeline assembly and the second pipeline assembly.

[0031] In an embodiment of the utility model, the air conditioner includes a compressor, an outdoor heat exchanger, at least two indoor heat exchangers and a throttling device; the exhaust port of the compressor, the outdoor heat exchanger, the throttling device, the indoor heat exchanger and the return air port of the compressor are connected in sequence to form a first heat exchange circuit; and the exhaust port of the compressor, an indoor heat exchanger, the throttling device, another indoor heat exchanger and the return air port of the compressor are connected in sequence to form a third heat exchange circuit, wherein the first heat exchange circuit and the third heat exchange circuit are two independent parallel heat exchange circuits, which increase the heat exchange capacity of the indoor heat exchanger, improve the cooling and heating capacity, realize different refrigerant flow paths, and thus realize different operating modes of the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0033] Figure 1 The figure is a flow chart of an embodiment of the air conditioner of the utility model.

[0034]

[0035]

[0036] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if the meaning of "and / or" appearing in the full text is to include three parallel schemes, taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0040] The utility model provides an air conditioner.

[0041] Reference Figure 1 In the embodiment of the utility model, the air conditioner comprises:

[0042] A compressor 10, an outdoor heat exchanger 20, at least two indoor heat exchangers 30 and a throttling device 40;

[0043] The exhaust port 11 of the compressor 10, the outdoor heat exchanger 20, the throttling device 40, the indoor heat exchanger 30 and the return air port 12 of the compressor are connected in sequence to form a first heat exchange loop;

[0044] The exhaust port 11 of the compressor 10, one of the indoor heat exchangers 30a, the throttling device 40, another indoor heat exchanger 30b and the return air port 12 of the compressor are connected in sequence to form a third heat exchange loop;

[0045] Wherein, the first heat exchange circuit and the third heat exchange circuit are parallel circulation circuits.

[0046] The air conditioner in the present invention is not limited to a certain type of air conditioner, and may be a split type wall mounted air conditioner, a cabinet type air conditioner, an integrated type air conditioner or a central air conditioner, etc. The structure of the air conditioner in the present application is described in detail below.

[0047] In the embodiment of the present utility model, Figure 1As shown, the air conditioner includes a compressor 10, an outdoor heat exchanger 20, at least two indoor heat exchangers 30 and a throttling device 40; the exhaust port 11 of the compressor 10, the outdoor heat exchanger 20, the throttling device 40, the indoor heat exchanger 30 and the return air port 12 of the compressor are connected in sequence to form a first heat exchange loop; and the exhaust port 11 of the compressor 10, an indoor heat exchanger 30a, the throttling device 40, another indoor heat exchanger 30b and the return air port 12 of the compressor are connected in sequence to form a third heat exchange loop, wherein the first heat exchange loop and the third heat exchange loop are two independent parallel heat exchange loops, which increase the heat exchange capacity of the indoor heat exchanger, improve the cooling and heating capacity, realize different refrigerant flow paths, and thus realize different operating modes of the air conditioner. In actual application, a throttling device 40 is provided between the outdoor unit and the indoor unit in the air conditioning system to ensure the normal heating and cooling functions of the air conditioning system, and its specific structure is not described here. It can be understood that in this embodiment, in the first heat exchange loop, the indoor heat exchanger 30 is used as a condenser and the outdoor heat exchanger 20 is used as an evaporator, so that the refrigerant coming out of the exhaust port 11 of the compressor 10 first passes through the outdoor heat exchanger 20 to release heat and evaporate, then passes through the throttling device 40 to throttle to form a low-temperature and low-pressure liquid, then passes through the indoor heat exchanger 30 to absorb heat and evaporate to form a low-temperature and low-pressure gas, and then returns to the compressor 10 from the return air port 12 of the compressor. In the third heat exchange loop, the indoor heat exchanger 30 is used as a condenser, so that the refrigerant coming out of the exhaust port 11 of the compressor 10 first passes through the indoor heat exchanger 30a to release heat and evaporate, then passes through the throttling device 40 to throttle to form a low-temperature and low-pressure liquid, then passes through the indoor heat exchanger 30b to absorb heat and evaporate to form a low-temperature and low-pressure gas, and then returns to the compressor 10 from the return air port 12 of the compressor, so that the waste heat of the indoor heat exchanger 30a and the indoor heat exchanger 30b is fully utilized, and the purpose of energy saving, emission reduction and efficiency improvement is achieved. It can be understood that, in this embodiment, the indoor heat exchanger 30a and the indoor heat exchanger 30b can be arranged in parallel.

[0048] Reference Figure 1 In an embodiment of the utility model, the exhaust port 11 of the compressor, at least one indoor heat exchanger 30, the throttling device 40, the outdoor heat exchanger 20 and the return air port 12 of the compressor are connected in sequence to form a second heat exchange circuit.

[0049] In this embodiment, in the second heat exchange loop, the indoor heat exchanger 30 is used as a condenser and the outdoor heat exchanger 20 is used as an evaporator, so that the refrigerant coming out of the exhaust port 11 of the compressor 10 first passes through the indoor heat exchanger 30 to release heat and evaporate, then passes through the throttling device 40 to throttle to form a low-temperature and low-pressure liquid, and then passes through the outdoor heat exchanger 20 to absorb heat and evaporate to form a low-temperature and low-pressure gas, and then returns to the compressor 10 from the return air port 12 of the compressor. It can be understood that the second heat exchange loop forms three independent heat exchange loops with the first heat exchange loop and the third heat exchange loop, which increases the heat exchange capacity of the indoor heat exchanger, improves the cooling and heating capacity, realizes different refrigerant flow paths, and then realizes different operation modes of the air conditioner.

[0050] Reference Figure 1 In the embodiment of the utility model, the air conditioner further comprises a first reversing valve 50, wherein the first connecting port, the second connecting port and the third connecting port of the first reversing valve 50 are respectively connected to the exhaust port 11 of the compressor, the outdoor heat exchanger 20 and the indoor heat exchanger 30; and

[0051] A second reversing valve 60, wherein a first connection port, a second connection port and a third connection port of the second reversing valve 60 are respectively connected to the exhaust port 11 of the compressor, the indoor heat exchanger 30 and the return air port 12 of the compressor;

[0052] By switching the channels of the first reversing valve 50 and the second reversing valve 60 , part of the indoor heat exchanger 30 can be cooled, and part of the indoor heat exchanger 30 can be heated.

[0053] The purpose of the reversing valve in this embodiment is to realize the flow path switching between each connecting pipeline. By switching the valve position of the reversing valve, different refrigerant flow paths are realized, and then different operation modes of the air conditioner are realized. For ease of understanding, the reversing valve in this embodiment is described by taking a three-way reversing valve as an example. Among them, the first reversing valve 50 has a first valve position, a second valve position and a third valve position. When in the first valve position, the first connection port and the second connection port of the first reversing valve 50 are circulated, and the third connection port is closed. The first connection port and the second connection port of the second reversing valve 60 are circulated, and the third connection port is closed. The refrigerant coming out of the exhaust port 11 of the compressor 10 first flows into the outdoor heat exchanger 20 through the first connection port and the second connection port in the first heat exchange valve 50 to release heat, and then absorbs heat and evaporates through the indoor heat exchanger 30 to form a low-temperature and low-pressure gas, and then is collected by the first connection port and the second connection port in the second heat exchange valve 60, and returns to the compressor 10 from the return air port 12 of the compressor to form a first heat exchange loop. When the valve is in the second position, the first connection port and the third connection port of the first reversing valve 50 are in circulation, and the second connection port is closed; the first connection port and the third connection port of the second reversing valve 60 are in circulation, and the second connection port is closed; the refrigerant coming out of the exhaust port 11 of the compressor 10 is first collected by the first connection port and the third connection port in the first heat exchange valve 50, and then collected by the first connection port and the third connection port in the second heat exchange valve 60, releases heat through the indoor heat exchanger 30, and then absorbs heat and evaporates through the outdoor heat exchanger 20 to form a low-temperature and low-pressure gas, and then returns to the compressor 10 from the return air port 12 of the compressor to form a second heat exchange loop. When in the third valve position, the first connection port, the second connection port, and the third connection port of the first reversing valve 50 are in circulation, the first connection port and the third connection port of the second reversing valve 60 are in circulation, and the second connection port is closed. When the refrigerant from the exhaust port 11 of the compressor 10 needs to flow through the first connection port of the first reversing valve 50, it needs to flow through two paths. The first path passes through the second connection port of the first reversing valve 50 and then enters the outdoor heat exchanger 20. The second path passes through the third connection port of the first reversing valve 50 and then enters the first connection port and the third connection port of the second heat exchange valve 60. After entering the indoor heat exchanger 30a and flowing out, it merges with the refrigerant flowing out of the outdoor heat exchanger 20 of the first path, and then enters the indoor heat exchanger 30b to absorb heat and evaporate to form a low-temperature and low-pressure gas, and then returns to the compressor 10 from the return port 12 of the compressor to form a third heat exchange loop. In this embodiment, the indoor heat exchanger 30a and the indoor heat exchanger 30b can be arranged in parallel.

[0054] Reference Figure 1 In the embodiment of the utility model, the first reversing valve 50 and the second reversing valve 60 are three-way flow-dividing regulating valves.

[0055] In this embodiment, the air conditioner can realize different refrigerant flow paths by switching the three-way diverter regulating valve, that is, realize the formation of the first heat exchange circuit, the second heat exchange circuit and the third heat exchange circuit.

[0056] Reference Figure 1 In the embodiment of the utility model, the second reversing valve 60 includes a first three-way valve 61 and a second three-way valve 62, and the first three-way valve 61 and the second three-way valve 63 are arranged in parallel;

[0057] The throttling device 40 includes a first throttling member 41 and a second throttling member 42;

[0058] The first connection port, the second connection port, and the third connection port of the first three-way valve 61 are respectively connected to the exhaust port 11 of the compressor, the indoor heat exchanger 30a, the first throttling element 41, and the return air port 12 of the compressor;

[0059] The first connection port, the second connection port, and the third connection port of the second three-way valve 62 are respectively connected to the exhaust port 11 of the compressor, the other indoor heat exchanger 30b, the second throttling element 41, and the return air port 12 of the compressor;

[0060] By switching the first reversing valve 50, the first three-way valve 61, the second three-way valve 62 and the channel of the indoor heat exchanger 30c, part of the indoor heat exchanger 30 can be cooled and part of the indoor heat exchanger 30 can be heated.

[0061] Specifically, the first reversing valve 50 has a first valve position, a second valve position and a third valve position. When in the first valve position, the first connection port and the second connection port of the first reversing valve 50 are in circulation, and the third connection port is closed. The first connection port and the second connection port of the first three-way valve 61 and the second three-way valve 62 are in circulation, and the third connection port of the first three-way valve 61 and the second three-way valve 62 are closed. The refrigerant coming out of the exhaust port 11 of the compressor 10 first passes through the first connection port and the second connection port in the first heat exchange valve 50 to flow into the outdoor heat exchanger 20 to release heat, and then is throttled by the first throttling member 41 and the second throttling member 42 to form a low-temperature and low-pressure liquid, and further absorbs heat and evaporates through the indoor heat exchanger 30 to form a low-temperature and low-pressure gas, and then is collected by the first connection port and the second connection port in the first three-way valve 61 and the second three-way valve 62, and returns to the compressor 10 from the return air port 12 of the compressor to form a first heat exchange circuit. When in the second valve position, the first connection port and the third connection port of the first reversing valve 50 are in circulation, and the second connection port is closed; the first connection port and the third connection port of the first three-way valve 61 and the second three-way valve 62 are in circulation, and the second connection port is closed; the refrigerant coming out of the exhaust port 11 of the compressor 10 is firstly collected by the first connection port and the third connection port in the first heat exchange valve 50, and then collected by the first connection port and the third connection port in the first three-way valve 61 and the second three-way valve 62, after releasing heat through the indoor heat exchanger 30, and then throttled by the first throttling device 41 and the second throttling device 42 to form a low-temperature and low-pressure liquid, and then further absorbed heat and evaporated through the outdoor heat exchanger 20 to form a low-temperature and low-pressure gas, and then returned to the compressor 10 from the return air port 12 of the compressor to form a second heat exchange loop. When the third valve position is reached, the first connection port, the second connection port, and the third connection port of the first reversing valve 50 are in circulation, the first connection port and the third connection port of the first three-way valve 61 and the second three-way valve 62 are in circulation, and the second connection port is closed. When the refrigerant from the exhaust port 11 of the compressor 10 needs to flow through the first connection port of the first reversing valve 50, it needs to flow through two paths. The first path passes through the second connection port of the first reversing valve 50 and then enters the outdoor heat exchanger 20, and the second path passes through the third connection port of the first reversing valve 50 and then enters the first After the first and third connections of the three-way valve 61 flow out of the indoor heat exchanger 30a, and the first and third connections of the second three-way valve 62 flow out of the indoor heat exchanger 30b, the first throttle 41 and the second throttle 42 throttle to form a low-temperature and low-pressure liquid, further merge with the refrigerant flowing out of the outdoor heat exchanger 20 of the first path, and then enter the indoor heat exchanger 30c to absorb heat and evaporate to form a low-temperature and low-pressure gas, and then return to the compressor 10 from the return air port 12 of the compressor to form a third heat exchange loop. In this embodiment, the indoor heat exchanger 30a, the indoor heat exchanger 30b and the indoor heat exchanger 30c can be arranged in parallel.

[0062] Reference Figure 1In the embodiment of the utility model, the air conditioner further includes the second reversing valve 60 and a third three-way valve 63, and the third three-way valve 63 is arranged in parallel with the first three-way valve 61 and the second three-way valve 62;

[0063] The throttling device 40 further includes a third throttling member 43;

[0064] The first connection port, the second connection port and the third connection port of the third three-way valve 63 are respectively connected to the exhaust port 11 of the compressor, the indoor heat exchanger 30c, the third throttle element 43 and the return air port 12 of the compressor;

[0065] By switching the channels of the first reversing valve 50 and the third three-way valve 61 , part of the indoor heat exchanger 30 can be used for cooling, and part of the indoor heat exchanger 30 can be used for heating.

[0066] When in the third valve position, the first connection port, the second connection port, and the third connection port of the first reversing valve 50 are in circulation, the first connection port and the third connection port of the first three-way valve 61 and the second three-way valve 62 are in circulation, the second connection port is closed, the first interface and the second interface of the third three-way valve 63 are in circulation, and the third connection port is closed. When the refrigerant coming out of the exhaust port 11 of the compressor 10 needs to flow through the first connection port of the first reversing valve 50, it needs to flow through two paths. The first path passes through the second connection port of the first reversing valve 50 and then enters the outdoor heat exchanger 20, and the second path passes through the third connection port of the first reversing valve 50 and then respectively After entering the first connection port and the third connection port of the first three-way valve 61 and flowing out into the indoor heat exchanger 30a, and entering the first connection port and the third connection port of the second three-way valve 62 and flowing out into the indoor heat exchanger 30b, it is throttled by the first throttling device 41 and the second throttling device 42 to form a low-temperature and low-pressure liquid, and then further merges with the refrigerant flowing out of the outdoor heat exchanger 20 of the first path, and then enters the indoor heat exchanger 30c to absorb heat and evaporate to form a low-temperature and low-pressure gas, and then returns to the compressor 10 from the return air port 12 of the compressor through the first interface and the second interface of the third three-way valve 63, forming a third heat exchange circuit.

[0067] Reference Figure 1 In the embodiment of the utility model, the air conditioner further comprises a third reversing valve 70, the first connecting port, the second connecting port and the third connecting port of the third reversing valve 70 are respectively connected to the outdoor heat exchanger 20, the indoor heat exchanger 30 and the return air port 12 of the compressor 10;

[0068] By switching the channel of the third reversing valve 70 , part of the indoor heat exchanger 30 can be cooled, and part of the indoor heat exchanger 30 can be heated.

[0069] Since the air conditioner has a first heat exchange circuit, a second heat exchange circuit and a third heat exchange circuit in this embodiment, the valve position switching of the third reversing valve 70 is used to realize that the first heat exchange circuit, the second heat exchange circuit and the third heat exchange circuit flow into the return air port 12 of the compressor through the valve position switching of the third reversing valve 70. Specifically, when in the first heat exchange circuit, the first connection port and the second connection port of the third reversing valve 70 are in circulation, and the third connection port is closed. When in the second heat exchange circuit, the first connection port and the third connection port of the third reversing valve 70 are in circulation, and the second connection port is closed. When in the third heat exchange circuit, the first connection port and the second connection port of the third reversing valve 70 are in circulation, and the third connection port is closed.

[0070] Reference Figure 1 In an embodiment of the utility model, the air conditioner further comprises a plurality of control valves, the air conditioner further comprises a first pipe assembly, the first pipe assembly respectively connects the exhaust port 11 of the compressor, the outdoor heat exchanger 20 and the indoor heat exchanger 30 to form a first channel, a second channel and a third channel, and the plurality of control valves are respectively arranged in the first channel, the second channel and the third channel; and

[0071] A second pipe assembly, wherein the second pipe assembly is respectively connected to the exhaust port 11 of the compressor, the indoor heat exchanger 30 and the return air port 12 of the compressor to form a fourth channel, a fifth channel and a sixth channel, and a plurality of control valves are respectively arranged in the fourth channel, the fifth channel and the sixth channel;

[0072] By switching the channels of the first pipe assembly and the second pipe assembly, part of the indoor heat exchanger 30 can be cooled, and part of the indoor heat exchanger 30 can be heated.

[0073] It can be understood that multiple control valves are respectively arranged on the first pipeline assembly to connect the exhaust port 11 of the compressor, the outdoor heat exchanger 20 and the indoor heat exchanger 30 to form the first channel, the second channel and the third channel, and the second pipeline assembly is respectively connected to the exhaust port 11 of the compressor, the indoor heat exchanger 30 and the return air port 12 of the compressor to form the fourth channel, the fifth channel and the sixth channel. In actual application, the air conditioner can realize different refrigerant flow paths by switching on or off multiple control valves, that is, realizing the formation of the first heat exchange circuit, the second heat exchange circuit and the third heat exchange circuit.

[0074] Reference Figure 1 In the embodiment of the utility model, the air conditioner further comprises a third pipe assembly, the third pipe assembly respectively connects the outdoor heat exchanger 20, the indoor heat exchanger 30 and the return air port 12 of the compressor 10 to form a seventh channel, an eighth channel and a ninth channel, and the plurality of control valves are respectively arranged in the seventh channel, the eighth channel and the ninth channel;

[0075] By switching the channel of the third pipe assembly, part of the indoor heat exchanger 30 can be cooled, and part of the indoor heat exchanger 30 can be heated.

[0076] It can be understood that multiple control valves are respectively arranged on the third pipeline assembly to connect the outdoor heat exchanger 20, the indoor heat exchanger 30 and the return air port 12 of the compressor 10 to form the seventh channel, the eighth channel and the ninth channel. In actual application, the air conditioner can realize the connectivity of the refrigerant flow path by switching on or off multiple control valves.

[0077] Reference Figure 1 In an embodiment of the utility model, the control valve is a one-way solenoid valve, and the one-way solenoid valve is configured to unidirectionally conduct the channel between the first pipeline assembly and the second pipeline assembly.

[0078] It can be understood that the one-way solenoid valve can prevent the gas from coming out of the compressor 10 from flowing back into the compressor 10 from the first pipeline assembly and / or the second pipeline assembly after passing through the outdoor heat exchanger 20, the throttling device and the indoor heat exchanger 30. Optionally, the air conditioner further includes an air supply module, which is connected to the compressor.

[0079] The above description is only an optional embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. An air conditioner, characterized in that: include: A compressor, an outdoor heat exchanger, at least two indoor heat exchangers and a throttling device; The exhaust port of the compressor, the outdoor heat exchanger, the throttling device, the indoor heat exchanger and the return air port of the compressor are connected in sequence to form a first heat exchange loop; The exhaust port of the compressor, one of the indoor heat exchangers a, the throttling device, another indoor heat exchanger b and the return air port of the compressor are connected in sequence to form a third heat exchange loop; Wherein, the first heat exchange circuit and the third heat exchange circuit are parallel circulation circuits.

2. The air conditioner according to claim 1, characterized in that: The exhaust port of the compressor, at least one indoor heat exchanger, the throttling device, the outdoor heat exchanger and the return air port of the compressor are connected in sequence to form a second heat exchange loop.

3. The air conditioner according to claim 2, characterized in that: The air conditioner further comprises a first reversing valve, wherein a first connecting port, a second connecting port and a third connecting port of the first reversing valve are respectively connected to an exhaust port of the compressor, the outdoor heat exchanger and the indoor heat exchanger; as well as a second reversing valve, wherein the first connecting port, the second connecting port and the third connecting port of the second reversing valve are respectively connected to the exhaust port of the compressor, the indoor heat exchanger and the return air port of the compressor; By switching the channels of the first reversing valve and the second reversing valve, cooling of part of the indoor heat exchanger and heating of part of the indoor heat exchanger are achieved.

4. The air conditioner according to claim 3, characterized in that: The first reversing valve and the second reversing valve are three-way flow-dividing regulating valves.

5. The air conditioner according to claim 3, characterized in that: The second reversing valve comprises a first three-way valve and a second three-way valve, wherein the first three-way valve and the second three-way valve are arranged in parallel; The throttling device comprises a first throttling member and a second throttling member; The first connection port, the second connection port, and the third connection port of the first three-way valve are respectively connected to the exhaust port of the compressor, the indoor heat exchanger a, the first throttling element, and the return air port of the compressor; The first connection port, the second connection port, and the third connection port of the second three-way valve are respectively connected to the exhaust port of the compressor, the other indoor heat exchanger b, the second throttling element, and the return air port of the compressor; By switching the first reversing valve, the first three-way valve, the second three-way valve and the channel of the indoor heat exchanger c, part of the indoor heat exchanger can be used for cooling and part of the indoor heat exchanger can be used for heating.

6. The air conditioner according to claim 5, characterized in that: The air conditioner further comprises the second reversing valve and a third three-way valve, wherein the third three-way valve is arranged in parallel with the first three-way valve and the second three-way valve; The throttling device also includes a third throttling member; The first connection port, the second connection port and the third connection port of the third three-way valve are respectively connected to the exhaust port of the compressor, the indoor heat exchanger C, the third throttling element and the return air port of the compressor; By switching the channels of the first reversing valve and the third three-way valve, cooling of part of the indoor heat exchanger and heating of part of the indoor heat exchanger can be achieved.

7. The air conditioner according to claim 1, characterized in that: The air conditioner further comprises a third reversing valve, wherein the first connecting port, the second connecting port and the third connecting port of the third reversing valve are respectively connected to the outdoor heat exchanger, the indoor heat exchanger and the return air port of the compressor; By switching the channel of the third reversing valve, cooling of part of the indoor heat exchanger and heating of part of the indoor heat exchanger are achieved.

8. The air conditioner according to claim 2, characterized in that: The air conditioner further comprises a plurality of control valves, the air conditioner further comprises a first pipe assembly, the first pipe assembly respectively connects the exhaust port of the compressor, the outdoor heat exchanger and the indoor heat exchanger to form a first channel, a second channel and a third channel, and the plurality of control valves are respectively arranged in the first channel, the second channel and the third channel; as well as A second pipe assembly, wherein the second pipe assembly is respectively connected to the exhaust port of the compressor, the indoor heat exchanger and the return air port of the compressor to form a fourth channel, a fifth channel and a sixth channel, and a plurality of control valves are respectively arranged in the fourth channel, the fifth channel and the sixth channel; By switching the channels of the first pipe assembly and the second pipe assembly, cooling of part of the indoor heat exchanger and heating of part of the indoor heat exchanger are achieved.

9. The air conditioner according to claim 8, characterized in that: The air conditioner further comprises a third pipe assembly, wherein the third pipe assembly is respectively connected to the outdoor heat exchanger, the indoor heat exchanger and the return air port of the compressor to form a seventh channel, an eighth channel and a ninth channel, and the plurality of control valves are respectively arranged in the seventh channel, the eighth channel and the ninth channel; By switching the channel of the third pipe assembly, cooling of part of the indoor heat exchanger and heating of part of the indoor heat exchanger are achieved.

10. The air conditioner according to claim 8, characterized in that: The control valve is a one-way solenoid valve, and the one-way solenoid valve is configured to unidirectionally conduct the passage of the first pipeline assembly and the second pipeline assembly.

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